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Please select the most similar patent number from A, B, C and D. Which number is? A filling object. The filling object is provided with covering cloth (1), lining cloth (2) and a filling material. The filling material is made of long fiber cotton (3). The filling material and the lining cloth (2) are integrally formed, and the covering cloth (1) and the lining cloth (2) are integrally formed. The covering cloth (1) and the filling material are indirectly connected by means of the lining cloth (2). The filling object can improve performance of resisting again down leakage, and alleviate the problems of deviation and caking of the filling material after being washing. In addition, the fluffy performance of the filling material is good, the filling material has the feature of having a light weight and keeping warm, and provides the style of softness and smoothness for hand feeling, and has good performance of sustaining machine washing, and can be used to replace eiderdown filling products. A: A device for spreading a filler material on a bevel comprises: a storage compartment (1); a spreading mechanism (2); and a control mechanism (4). The storage compartment (1) is used to store a filler material. The storage compartment (1) comprises a top cover (13), a bottom plate, a front side plate (11), and a rear side plate (12). A discharge outlet is arranged at the bottom plate for the filler material to pass through. The spreading mechanism (2) is used to spread out the filler material. The control mechanism (4) is used to control opening and closing of the discharge outlet. A moving mechanism (3) is used to move the spreading mechanism. The moving mechanism (3) is provided at the bottom plate. The device of the present invention can improve efficiency of spreading a filler material, such that spreading quality of the filler material on a bevel is increased, thereby increasing welding quality, reducing labor intensity, and reducing production costs. B: Disclosed are an injection filling material and a preparation process. The filling material comprises the following raw materials in terms of percentage by mass: 0.1-2% of sodium hyaluronate, 1-30% of polyester microspheres, 0.1-5% of silk fibroin, 0.01-1% of recombinant type III collagen, with the balance being a dispersion liquid. The polyester material is artificially synthesized; the sodium hyaluronate and recombinant protein are prepared by means of a fermentation method; the silk fibroin is extracted from secretions of mulberry silkworms instead of animal tissues, and compared with collagen extracted from animal tissues, a decellularized matrix is biologically safer; and the added polyester microspheres can produce a sustained-release effect on a system, prolong the duration of validity of the filling material, and the filling material lasts longer compared to a single-component material. The filling material comprises type I collagen (silk fibroin), type III collagen (recombinant protein) and a carbohydrate nutrient substance (hyaluronic acid), which are required for tissue production, and can provide a complete external environment for tissue production. C: Provided are a filling body and the use thereof. The filling body comprises a surface fabric, a lining fabric and a filling material between the surface fabric and the lining fabric, wherein the ventilation capacity of the lining fabric is between 10.0 cm 3 /cm 2 /s and 200 cm 3 /cm 2 /s, and the filling material is a continuous fibre filling cotton with a core-sheath structure, wherein same at least comprises dacron continuous fibres. The filling body has the characteristics of a light weight, heat preservation and breathability, and also has an enhanced laundering durability and motion followability, while maintaining the original comfort. D: Disclosed is an inner rib structure for a maintenance wallboard. The inner rib structure comprises an inner rib structure plate body. Multiple through holes are formed in the inner rib structure plate body and used for inorganic material fillers on the two sides to pass through the inner rib structure and solidify to form a whole when the maintenance wallboard is manufactured. The inner rib structure plate body is a plastic steel plate, and a built-in cavity structure is provided on the plate body portion, without providing the through holes, on the plastic steel plate. When the inner rib structure provided in the present invention is utilized to manufacture the maintenance wallboard, the fluid inorganic filling materials on the two sides can pass through the through holes in the inner rib structure and solidify to form a whole. Even though the middle inner rib structure melts at a high temperature, due to the fact that inorganic filling material plates on the two sides solidify to form a whole, the inorganic filling material plates on the two sides are still complete and cannot be separated, and the maintenance wallboard cannot collapse. Due to the design of the built-in cavity structure, the consumption of the inorganic filling materials on the two sides can be reduced, the weight of the whole maintenance wallboard is reduced, and the structural strength of the whole maintenance wallboard is enhanced.

C

Please select the most similar patent number from A, B, C and D. Which number is? A MEMS gas sensor (A) and an array (B) thereof, and a gas detection and preparation method. The gas sensor (A) comprises a first substrate (A2) with a cavity (A1) provided in a first surface, and a gas detection assembly (A3) arranged at an opening of the cavity (A1), wherein the gas detection assembly (A3) comprises: a supporting suspension bridge (A31) erected on the opening of the cavity (A1), and a gas detection part (A32) arranged on the supporting suspension bridge (A31). The gas detection part (A32) comprises a strip-shaped heating electrode part (A321), an insulating layer (A322), a strip-shaped detection electrode part (A323) and a gas-sensitive material part (A324), which are sequentially stacked, wherein the strip-shaped detection electrode part (A323) comprises a first detection electrode part (A323-1) and a second detection electrode part (A323-2), with a first opening (A325) being provided between the first detection electrode part (A323-1) and the second detection electrode part (A323-2); and the gas-sensitive material part (A324) is arranged at the position of the first opening (A325), a first end of the gas-sensitive material part (A324) is connected to the first detection electrode part (A323-1), and a second end of the gas-sensitive material part (A324) is connected to the second detection electrode part (A323-2). A: A test chip, a preparation method therefor and a method of use thereof, and a reaction system. The test chip (100) comprises a first substrate (10), a micro-cavity definition layer (11) and a heating electrode (12), wherein the micro-cavity definition layer (11) defines a plurality of micro reaction chambers (110); the heating electrode (12) is configured to release heat after being electrified; the heating electrode (12) comprises a first electrode portion (121) and at least one second electrode portion (122); and the orthographic projection of the plurality of micro reaction chambers (110) on the first substrate (10) is located within the orthographic projection of the first electrode portion (121) on the first substrate (10), the orthographic projection of the plurality of micro reaction chambers (110) on the first substrate (10) does not overlap the orthographic projection of the second electrode portion (122) on the first substrate (10), and the resistance value of the first electrode portion (121) is greater than the resistance value of the second electrode portion (122). The test chip (100) has a good temperature control effect and high temperature increasing and decreasing efficiency, and is compatible with a semiconductor production line, and the production cost is low. B: A sensor apparatus, an electronic device, and a method for reducing signal noise. The sensor apparatus (10) comprises first detection regions (11) and a second detection region (12). Each first detection region (11) comprises at least one detection unit (A). The detection unit (A) comprises a first detection electrode (111) and a second detection electrode (112) opposite to each other, and a first insulation layer (113). The first detection electrode (111) is electrically insulated from the second detection electrode (112) by means of the first insulation layer (113). The second detection region (12) comprises at least one sensor unit (B). The sensor unit (B) comprises a first sensor electrode (121), a second sensor electrode (122), and a first light sensing layer (123). The first light sensing layer (123) is electrically connected to the first sensor electrode (121) and the second sensor electrode (122). The sensor apparatus, the electronic device, and the method for reducing signal noise can reduce the signal noise of signals to be detected, improve the signal-to-noise ratios, and avoid the use of a light shielding metal so as not to affect the display effect. C: A gas sensor based on a field effect transistor, and a manufacturing method therefor. The gas sensor comprises a substrate (1), an insulating layer (2), an active layer (3), a source (4), and a drain (5); the insulating layer (2) is disposed between the substrate (1) and the active layer (3); the source (4) and the drain (5) are separately disposed on the side of the active layer (3) distant from the insulating layer (2) and spaced from each other; the active layer (3) is formed of a titanium dioxide nanofiber or a zinc oxide nanofiber, which is easy to chemically react with VOC gas, improves the gas detection reaction speed and sensitivity, has a large specific surface area, and increases the sensing area. The size of the sensor can be smaller at the same reaction speed level and sensitivity precision; the titanium dioxide nanofiber or zinc oxide nanofiber is prepared by means of electrostatic spinning technology; the manufacturing method is simple; the electrostatic spinning device is simple in process and high in production efficiency; it is beneficial to application of the gas sensor in consumer electronics, and popularization thereof in more application scenarios. D: Disclosed is a physiological detection apparatus (100), comprising: at least one first detection electrode group (1), each first detection electrode group (1) including a first electrode (101) for coming into contact with the hand of a detected person, and a second electrode (102) for coming into contact with acupoint areas of the detected person; at least one second detection electrode group (2), each second detection electrode group (2) including a third electrode (201) and an opposite fourth electrode (202) which respectively come into contact with the periphery of acupoints of the detected person; and a micro-processor (3), wherein a human body loop is formed between the first electrode (101) and the second electrode (102) by means of a human body; a capacitor is formed between the third electrode (201) and the fourth electrode (202) by means of the skin of the detected person; the micro-processor (3) transmits a radio wave signal by means of the first electrode (101), receives, by means of the second electrode (102), the radio wave signal which is fed back, and calculates a first detection value by means of conversion; the micro-processor (3) detects a capacitance change and calculates a second detection value by means of conversion; and the micro-processor (3) analyses the first detection value and the second detection value to obtain a detection result. The physiological detection apparatus (100) detects the physiological state of a detected person in a non-intrusive manner, and thus does not bring discomfort and inconvenience to the detected person.

C

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed is an aerogel fire-extinguishing agent, which comprises a modified silica aerogel and a silica sol. The aerogel fire-extinguishing agent is prepared by means of the following method: adding a silica aerogel into an aqueous polyethyleneimine solution with pH=5, and dispersing same until uniform to obtain a modified silica aerogel solution; and successively adding a silica sol and cellulose hydroxyethyl ether, and then dispersing same until uniform. The fire-extinguishing agent has a higher fire-extinguishing efficiency and a better ignition prevention effect. A: Provided is a composite thermal insulation material and a preparation method therefor. The composite thermal insulation material is a cement-based silicon dioxide aerogel-diatomite composite thermal insulation material, and comprising, by mass: 40 to 70 parts of silicon dioxide aerogel-diatomite material, 100 parts of cement, 0.4 to 1.2 parts of polypropylene fiber, 4.2 to 5.1 parts of a coupling agent, 0.56 to 1.2 parts of cellulose ether and 2.8 to 5.1 parts of redispersible latex powder. For the composite thermal insulation material, fly ash is taken as a raw material, and diatomite is taken as a strength supporting material; the silicon dioxide aerogel-diatomite material is obtained by means of steps such as high-temperature calcination, sol-gel treatment, negative-pressure adsorption, water bath modification, and normal-pressure drying; then the silicon dioxide aerogel-diatomite material, cement and a proper amount of additives are evenly dry-mixed; and water is added, and stirring is conducted to obtain the composite thermal insulation material. The preparation method is simple and low-cost, the application performance of the obtained composite heat preservation and insulation material is good, and the strength meets building use requirements. B: A composite aerosol fire extinguishing agent and a preparation method therefor. The composite aerosol fire extinguishing agent comprises, in percentage by weight: 8.6%-20.3% of calcium peroxide, 15.8%-27.7% of calcium sulfite, 8.4%-14.6% of modified starch, 9.2%-15.3% of carbon powder, 2.1%-8.3% of nano-crystalline cellulose, 9.6%-26.4% of basic copper carbonate, 3.5%-23.8% of sodium bicarbonate, 0.6%-3.8% of sodium alginate, and 0.9%-4.6% of epoxy resin. All the components of the aerosol fire extinguishing agent have an obvious synergistic effect, so that the whole aerosol fire extinguishing agent has high fire extinguishing capacity and fire extinguishing efficiency, has the advantages of small amount, high fire extinguishing speed, and high fire extinguishing efficiency, and is particularly suitable for extinguishing of oil fire sources. C: Peroral nanoscale cyclophosphamide particles and a preparation method thereof. Silicon dioxide aerogel is used as a carrier. For the silicon dioxide aerogel, the porosity is 95 to 99%, the pore diameter is 10 to 50 nm, the specific surface area is 200 to 1000 m 2 /g, the density is 3 to 300 kg/m 3 , the gel particle diameter of the formation network is 1 to 50 nm, and the cyclophosphamide is adsorbed in the hole of the silicon dioxide aerogel to form cyclophosphamide particles with the diameter less than 100 nm. The preparation method is as follows: first dissolving cyclophosphamide in anhydrous ethanol, adding the silicon dioxide aerogel, drying after full adsorption, then adding purified water, feeding into an emulsifying machine for emulsification, homogenizing through a high pressure homogenizer, and then drying. D: The present invention provides a nanoporous solid acid based on a silica aerogel and a preparation method therefor. In the nanoporous solid acid based on a silica aerogel of the present invention, the solid acid is dispersed in a nanoporous structure of the silica aerogel, and the weight ratio of the solid acid to the silica aerogel is 1:10-100. In addition, the present invention also provides use of the nanoporous solid acid based on a silica aerogel in catalyzing the Maillard reaction intermediate pyrolysis. The research finds that the nanoporous solid acid based on a silica aerogel of the present invention has higher catalytic activity than the conventional solid acid to the Maillard reaction intermediate pyrolysis, and can promote release of aroma substances.

B

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed are a system for separating a mixed gas of xenon and krypton by using a hydrate method and an operation method thereof. The system comprises a gas hydrate generating unit, a heat exchange unit and a gas-water separating unit, wherein the main equipment of the gas hydrate generating unit is a reaction tower (1), in which a gas-liquid separating membrane (2) is placed at the bottom of a perforated plate (3) that the mixed gas first comes into contact with, and during the upstream movement of the mixed gas in the reaction tower, xenon gas comes into contact with water attached to the perforated plate (3) to generate a xenon hydrate particle; the main pieces of equipment of the heat exchange unit are a heat exchanger A (7-1) and a heat exchanger B (7-2); the main equipment of the gas-water separating unit is a gas-water separating tower (8), a gas-water two-phase flow containing xenon is pressurized by a delivery pump E (6-5) and then injected from the middle of the gas-water separating tower (8), xenon is separated from decomposed water under the action of gravity, then rises to the top of the tower, and is produced by a flow control valve E (5-6) after being dehumidified by a drying bed (9); and the decomposed water sinks to the bottom of the tower, is pressurized by a delivery pump F (6-6) and then enters the heat exchanger B (7-2) for heat exchange. A: A mining method and a mining device for a marine natural gas hydrate. The mining method comprises the following steps: 1. after construction of a vertical well is complete, constructing a fixed pipe (8), setting up a mining well in the center of the fixed pipe (8), and filling a space between an inner wall of the fixed pipe (8) and an outer wall of the mining well with a uniformly mixed mixture; 2. introducing a self-excited oscillation jet nozzle (6) into the mining well along the vertical well (22), and reaching a designated position through a hole on the mining well so as to perform spraying on the mixture, so as to evenly break the mixture such that an artificial crack is formed; 3. carrying out depressurization mining at a corresponding temperature, so that the hydrate decomposes to produce gas; and 4. separating in a gas-liquid separation device (20) a gas-liquid mixture mined from the mining well, so as to obtain a liquid and the gas, and collecting the obtained liquid and gas. The mining method has advantages such as stable decompression mining, increased mining efficiency, recovery of high-concentration natural gas, automatic operation, can be remote controlled, and can provide guidance for mining of marine natural gas hydrates. B: A test apparatus for separating and measuring generated gas, water, and sand during natural gas hydrate mining, and a method. The apparatus comprises a natural gas hydrate generation and decomposition system and a filter apparatus. The natural gas hydrate generation and decomposition system comprises a compressed air pump (51), a natural gas hydrate generation and decomposition reaction kettle (55), and a water bath constant temperature control apparatus. The filter apparatus comprises a filter apparatus kettle body (20). An inlet end of the filter apparatus kettle body is connected to a sand sieve pipe region, and the outlet end of the filter apparatus kettle body is connected to a water collection sealed container. Multiple filter layers are provided from the inlet end to the outlet end of the filter apparatus kettle body. The method and the apparatus can separate and measure the gas, water, and sand mixture during a simulated mining process and can more visually reflect the sand generation and prevention effect. C: Provided is a sea water desalination system using a flue gas hydrate method based on LNG cold energy, belonging to the technical field of hydrate application. CO2 in the flue gas is captured by means of the generation of a hydrate, two stages of hydrate generation chambers are provided for improving the yield of the hydrate, the CO2 hydrate is purified using two steps of gas separation and liquid separation, respectively, and two hydrate decomposition methods, i.e., a heat exchange-type hydrate decomposition method and an air extraction-type hydrate decomposition method, are respectively used to achieve the utilisation of the residual heat of the flue gas and the recycling of CO2. The integration of CO2 capturing and sea water desalination is realized, the problem of a cold energy source for the sea water desalination in the hydrate method is solved by using LNG cold energy, the structure is rational, and the system is exquisite; the two stages of hydrate generation chambers not only solve the problem of capturing CO2 in the flue gas, but also ensure the generation amount of the hydrate; two kinds of hydrate decomposition chambers not only result in the utilisation of the residual heat of hot flue gas and a reduction of heat discharge, but also realize the recycling and storage of CO2; and the sea water desalination system has a high bearing capacity to flue gas source changes, is not influenced by seasons and environments, and has a great practical application value. D: A method for separating a mixed gas of ammonia and carbon dioxide comprises: firstly compressing the mixed gas of ammonia and carbon dioxide; feeding the compressed gas to a carbon dioxide separation tower (3) after the pressure reaches 15-25 bar, and then feeding the gas to a water separation tower (5) and an ammonia separation tower (16) in sequence. A dilute ammonia-carbon aqueous solution is separated at the lateral line of the water separation tower (5). The compression of the mixed gas is divided into multiple stages, and a direct liquid-spray cooling method is adopted for inter-stage cooling. An air cooler is adopted instead of a cooler which adopts circulating cooling water as the cooling medium.

D

Please select the most similar patent number from A, B, C and D. Which number is? The present invention relates to the technical field of deep processing and comprehensive utilization of waste mineral oil sludge, in particular to a method and a system for recycling waste mineral oil sludge. The system comprises a filtering unit, a dechlorination unit, a tubular reaction unit, a retarding pyrolysis unit, a fractionation unit and a hydrofining unit. The present invention can not only solve the problem of deep processing and utilization of waste mineral oil sludge, save the environmental protection costs by deep processing and utilization of the sludge, but also obtain certain high additional value products and increase economic benefits. Moreover, a good raw material can be provided for a hydrofining reactor, and the lubricating oil recovery rate of the whole process of a waste mineral oil regeneration device is improved. Moreover, the process has the characteristics of high yield, less ash and carbon deposit, not easy to coke in a pipeline and easy continuous operation. A: Disclosed is a method for hazard-free treatment of a sludge from a spent solution of mixed acids after acid washing of stainless steel, comprising the following steps: 1) feeding a spent acid washing solution to a precipitation unit and performing a precipitation treatment, whereby a sludge is formed at the bottom of the precipitation unit from the spent solution of mixed acids; 2) filtering the sludge from the spent solution of mixed acids and feeding the sludge to a sludge storage unit and performing blending, mixing, and homogenization; 3) spraying the homogenized sludge into a calcination furnace to allow chemical reactions to occur, generating solid metal oxides, HF gas, and HNO 3 gas; and 4) discharging the solid metal oxides falling to the bottom of the calcination furnace by using a scraping rake, and allowing the HF gas and HNO 3 gas to exit the top of the calcination furnace, pass through a preconcentrator, and enter an absorption tower to undergo acid regeneration. The present invention can reduce the production of acidic sludge and decrease the treatment cost borne by a metallurgical enterprise. Moreover, the present invention allows reclamation of acidic sludge having a high economic value by increasing the recovery rate of F - and NO 3 - , recovering abundant amounts of high-value metal ions, such as nickel, chromium, titanium, and molybdenum in the acidic sludge, and forming solid metal oxides having a high added value. B: A comprehensive processing method and comprehensive processing system for copper-containing sludge and circuit boards, the comprehensive processing method comprising: mixing and granulating copper-containing sludge and waste-activated carbon to obtain copper-containing sludge particles; performing side blowing smelting on the copper-containing sludge particles and a circuit board. The waste-activated carbon is used as a reducing agent and a partial combustion agent, which is mixed and granulated with the copper-containing sludge and then side blowing smelted with the circuit board; in addition, a waste mineral oil is used as a supplementary fuel, thereby further reducing the energy consumption costs of side blowing smelting; during the process of side blowing smelting, organic matter of the circuit board burns to generate heat, and the organic matter may be used as a fuel for side blowing smelting, thereby completing the separation of copper and other impurities from the copper-containing sludge and the circuit board, fully utilizing the heat energy of the organic matter in the circuit board, and further reducing the energy consumption costs of side blowing smelting. C: Disclosed is a process for producing mesophase pitch by hydrogenation of high-temperature coal tar, comprising removing salts and quinoline insolubles from the high-temperature coal tar to obtain a clear oil; using the clear oil as a hydrogenation feed oil, or pre-distilling the clear oil to obtain a bottom component with a boiling point higher than 230°C and formulating the bottom component into a hydrogenation feed oil; refining the hydrogenation feed oil by catalytic hydrogenation to obtain a refined hydrogenated oil; distilling the refined hydrogenated oil to obtain hydrogenated pitch; subjecting the hydrogenated pitch to thermal condensation polymerisation to obtain the mesophase pitch. The process has features such as an easily controllable degree of hydrogenation, complete removal of impurities, good raw material flowability, not being susceptible to carbon deposition and coking during the process, and not tending to block the reactor. The product has a high mesophase content, a low softening point and a low impurity content. D: A diesel oil and jet fuel production system and method utilizing Fischer-Tropsch synthetic oil. The method comprises two parts, hydrofining and hydro-upgrading, and comprises the following steps: mixing a Fischer-Tropsch synthetic oil with hydrogen and introducing the same into a hydrofining reactor (A), and introducing a product thereof into a first fractionating tower (C); taking a cut naphtha fraction as an ethylene cracking raw material, and introducing a diesel fraction into a hydroisomerization reactor (E); introducing an unconverted oil into a hydrocracking reactor (D), mixing the products of the two reactors and then introducing the mixed products into a second fractionating tower (F) to obtain a jet fuel and diesel oil product, and circulating the unconverted oil to the hydrocracking reactor (D). The method can produce diesel oil, jet fuel and a hydrotreating wax oil product, has a simple technique, a stable process, low equipment investment, low costs, a long running period, and a high yield of diesel oil and jet fuel which can directly serve as fuel or blending components.

A

Please select the most similar patent number from A, B, C and D. Which number is? A support column array having a variable elastic modulus, and a vacuum glass. A first ring of support columns in the variable elastic modulus support column array close to a sealed edge of the vacuum glass comprises low-elastic modulus support columns. A second ring of support columns close to the sealed edge of the vacuum glass comprises high-elastic modulus support columns. In this manner, rings of low elastic modulus support columns and rings of high elastic modulus support columns are alternately arranged in a direction leading away from the sealed edge of the vacuum glass, until the support columns are all arranged. The vacuum glass is formed from the varying elastic modulus support column array and flat glass. The varying elastic modulus support column array reduces the maximum stress and the maximum deformation sustained by the vacuum glass, thereby reducing glass damage and missing support columns. The arrangement of the varying elastic modulus support columns can be applied without changing the original array spacing of support columns of existing products, or using the array spacing of support columns in novel designs. A: An impact resistant vacuum glass, comprising a vacuum glass body. The vacuum glass body comprises a first glass substrate (1), a second glass substrate (2), a sealing material, and a support (3); the first glass substrate (1) and the second glass substrate (2) are arranged opposite to each other; the sealing material is provided at an edge position between the first glass substrate (1) and the second glass substrate (2); the first glass substrate (1), the second glass substrate (2) and the sealing material jointly enclose a vacuum chamber (4); the support (3) is provided within the vacuum chamber (4); a buffer material (6) is provided on the end face side of the periphery of the vacuum glass body and on the outside of at least one plate surface of the periphery of the vacuum glass body; a dynamic stress cancellation frame (7) is provided on the outer side of the buffer material (6), the dynamic stress cancellation frame (7) is capable of applying a adjustable preload force to the edge of the vacuum glass. The vacuum glass can significantly improve impact resistance performance. B: An inclination adjustable liquid crystal module packing box for assembling a liquid crystal module (20) comprises a box body (10), a bearing rack (30) and a first supporting assembly, wherein the bearing rack (30) is used for bearing the liquid crystal module and is connected to the bottom surface (11) of the box body through the first supporting assembly; the first supporting assembly comprises at least one group of first adjusting mechanisms (40) connected to one side of the bearing rack (30) and have adjustable elasticity; each first adjusting mechanism (40) consists of a first supporting column (41), an elastic member (42) and a positioning element (43); and the first supporting column (41) is telescopically connected to the bottom surface (11) of the box body through the elastic member (42) and is also provided with an elastic buckle (44) matched with the positioning element (43) to realize graded lifting of the first supporting assembly. Through the angle of the bearing rack, a PCB (Printed Circuit Board) is kept at a lower position of the inclination; even if bumping occurs during transportation, the PCB does not bend upwards because of the gravity action per se so as not to cause wrinkling of a COF (Chip On Film) or cause conflict damage to glass by the PCB. C: A novel outdoor leg press training device, comprising a support column (1), rotary shafts (2), chairs (3) and foot pedals (4), wherein the support column (1) is provided thereon with a plurality of tension springs (5) distributed along the height direction thereof, wherein different tension springs (5) have different elastic moduli; one end of the tension springs (5) is fixed to the support column (1), and the other end thereof is provided with a hook (6); the side surface of each rotary shaft (2) which is close to the support column (1) is provided with a hanging ring (7), and a hook (6) may be hung onto a hanging ring (7). The tension springs are added to an existing outdoor leg press training device, so that a trainee may select different tension springs to fix to the rotary shaft according to the strength condition of the trainee, thereby increasing or decreasing training difficulty. Therefore, highly-targeted leg press training may be achieved, and the user may achieve a better training effect. D: Disclosed are a device for connecting a crossbeam (3) with an upright pillar of a bunk bed, and a bunk bed. The upright pillar comprises a supporting pillar (1) and a connecting pillar (2). An end part of the crossbeam (3) is provided with a connecting base (4); the connecting base (4) is provided with a vertically penetrated conical hole; a shaft sleeve (5) is movably arranged in the conical hole; an outer surface (5-1) of the shaft sleeve (5) and a side surface (4-1) of the conical hole form a pair of inclined surfaces matching each other. An end surface of the connecting pillar (2) is provided with a plurality of grooves (2-2), so that a plurality of elastic clamping jaws (2-1) are formed on an end part of a sidewall of the connecting pillar (2); one end of the supporting pillar (1) is inserted into the connecting pillar (2); the shaft sleeve (5) is sleeved on the connecting pillar (2); the connecting base (4) compresses the shaft sleeve (5) so that the two inclined surfaces (4-1), (5-1) are tightly pressed together, and the shaft sleeve (5) forces the elastic jaws (2-1) to bend inward to be deformed to tightly hold the supporting pillar (1). The connecting base (4) is utilized to compress the shaft sleeve (5) so that the two inclined surfaces (4-1), (5-1) are tightly pressed together, and the shaft sleeve (5) forces the elastic jaws (2-1) to bend inward to be deformed to tightly hold the supporting pillar (1); thereby, the connecting pillar (2), the supporting pillar (1) and the crossbeam (3) are firmly connected together, and disassembly and assembly are very quick and simple.

A

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed is a method for preparing hollow glass microbeads with a high floatation rate, and the production process and steps thereof comprising: 1) preparation of a slurry: accurately weighing the components of basic raw materials, a stable dispersant and a surfactant, wherein the components of the basic raw materials are quartz, borax, calcium carbonate, sodium carbonate, sodium sulfate, and sodium phosphate; 2) preparation of a precursor; 3) preparation of hollow glass microbeads; and 4) surface modification. The stably dispersed slurry prepared by the method of the present invention has a high solid phase content, and low surface tension and viscosity, such that the energy consumption of spray granulation is not only significantly decreased, but also the prepared precursor has a small particle size span and uniform composition. In combination with a high-temperature negative-pressure vitrification process, the hollow glass microbeads are enabled to have a floatation rate of higher than 96.5% and a high surface finish, and furthermore, the hollow glass microbeads are strengthened by using low-temperature circulating wind. The raw materials of the present invention are easily available, the conglomeration rate of the hollow glass microbeads is high, and the present invention is simple in technological process, and low in energy consumption and production cost, and the product has a wide range of application. A: Disclosed are a structural sealant for a glass curtain wall and a preparation method therefor. A formula of the structural sealant comprises: hydroxyl-terminated polydimethylsiloxane, acrylic acid, aconitic acid, polypropylene powder, bis(3,4-diphenylmethylene)sorbitol, trimethoxyboroxine, 2-amino-N-cyclohexyl acetamide, vinyl tris(methylethylketoximino)silane, ethylene glycol glycidyl ether, dibutyltin mercaptide, a hollow glass bead, Methyltris(methylethylketoxime)silane, 3-triethoxysilylpropylamine, dibutyltin dilaurate, ammonium persulfate, ferric acetylacetonate, sodium silicate, dimethylbenzylcarbinyl acetate, pentaerythritol, and fluorocarbon resin FEVE. The present invention has the following beneficial effects: the structural sealant in the present invention is excellent in mechanical strength, does not need base coat, and has good cohesiveness, excellent comprehensive performance, good aging resistance and high displacement capability. The structural sealant has excellent flame resistance, and a small amount of flame retardant is added, so that the influence on comprehensive performances of the sealant is small. B: A low-density conductive polypropylene composition, comprising the following components in parts by weight: 80-90 parts of PP resin, 5-15 parts of hollow glass beads, 3-8 parts of MWCNT, and 0.1-3 parts of an auxiliary agent. The selection of hollow glass beads as a dispersing component effectively improves the dispersion of MWCNT in the polypropylene system, so that the surface resistance of the prepared material is in the range of 104-10 2 Ω/sq; in addition, due to the low density of the hollow glass beads, the material exhibits low-density characteristics. Also disclosed are a preparation method for the low-density conductive polypropylene composition, and an application thereof. C: An energy-saving thermal insulation material for use in buildings and a preparation method therefor. The thermal insulation material is made of the following raw materials in parts by weight: 30-50 parts of light stucco stone, 13-20 parts of expanded perlite, 7-13 parts of light calcium, 10-15 parts of methyl fiber, 9-15 parts of sepiolite, 5-8 parts of diatomite, 3-6 parts of fibrous brucite, 10-15 parts of plant fiber extract, 1-4 parts of 2-maleate monobutylate, 2-3 parts of 1,2,3-glycerol monooctadecyl ester, 1-3 parts of lithium citrate, 2-5 parts of hollow glass microspheres, 3-6 parts of sodium lignosulfonate, 1-3 parts of sodium silicate, 2-4 parts of magnesium oxide, 1-4 parts of n-octanol, 1-2 parts of isocyanate, 1-2 parts of hydrogenated chlorofluorocarbon, 3-8 parts of a water reducing agent, 1-4 parts of a foaming agent and 2-6 parts of a stabilizer. D: A microcrystalline foam glass and a preparation method therefor. The preparation method comprises the following steps of: S1, preparation of basic glass powder: raw material balls are milled and mixed evenly and placed in a frit furnace, and after melting, clarifying, homogenizing, water quenching, and grinding, the basic glass powder is obtained, and the raw material comprises the following components in percentage by mass: 70%-80% of gold tailing, 5%-15% of blast furnace slag, 2%-9% of bentonite, 5%-10% of soda ash, 0.2%-0.5% of antimony trioxide, and 1%-3% of titanium dioxide; and S2, preparation of the microcrystalline foam glass: the basic glass powder prepared in step S1 is milled and mixed evenly with silicon carbide micropowder and sodium fluorosilicate balls and then fed into a high-temperature furnace for firing, and the mixture is prepared from the components in percentage by mass: 94.8%-98.5% of the basic glass power, 0.2%-0.6% of the silicon carbide micropowder, and 1%-5% of sodium fluorosilicate.

D

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed is method for preparing a deoxycholic acid or ester thereof or pharmaceutically acceptable salt thereof. The compound is suitable for removing fat deposition. A: The present invention relates to the technical field of medicine, and relates in particular to a hexanone glycokinase inhibitor compound, a pharmaceutically acceptable salt thereof, an ester thereof or a stereoisomer thereof, a pharmaceutical composition and preparation comprising the compound, the pharmaceutically acceptable salt thereof, the ester thereof or the stereoisomer thereof, a method for preparing the compound, the pharmaceutically acceptable salt thereof, the ester thereof or the stereoisomer thereof, and a use of the compound, the pharmaceutically acceptable salt thereof, the ester thereof or the stereoisomer thereof in the preparation of a drug for the treatment and/or prevention of diseases mediated by KHK and related diseases. (I) B: The present invention relates to a method for preparing a chenodeoxycholic acid derivative. Particularly, disclosed is a method for carrying out one-pot reduction on a compound represented by formula (Ⅵ), i.e., 3α-hydroxyl-ethidene-7-ketone-5β-chole-24-alkamide, to obtain a compound represented by formula (Ⅴ), i.e., 3α,7α-dyhydroxyl-6α-ethyl-5β-cholanic acid, and then carrying out salt formation crystallization to obtain a high-purity obeticholic acid sodium salt, a potassium salt, a magnesium salt, and a calcium salt. C: The present invention relates to the technical field of medicine, in particular to a tricyclic USP1 inhibitor compound, a pharmaceutically acceptable salt thereof, an ester, a deuterated substance or a stereoisomer thereof, a pharmaceutical composition and a preparation containing the compound, the pharmaceutically acceptable salt, the ester, the deuterated substance or the stereoisomer, and a method for preparing the compound, the pharmaceutically acceptable salt, the ester, the deuterated substance or the stereoisomer, and use of the compound, the pharmaceutically acceptable salt, the ester, the deuterated substance or the stereoisomer in the preparation of a medicine for treatment and/or prevention of diseases mediated by USP1 and related diseases. D: The present invention relates to the technical field of medicine, and particularly relates to a tricyclic ubiquitin specific protease 1 inhibitor compound; a pharmaceutically acceptable salt thereof, an ester thereof, a deuterated compound or a stereoisomer thereof; a pharmaceutical composition and a preparation containing the compound, the pharmaceutically acceptable salt thereof, the ester thereof, the deuterated compound or the stereoisomer thereof; a method for preparing the compound, the pharmaceutically acceptable salt thereof, the ester thereof, the deuterated compound or the stereoisomer thereof; and use of the compound, the pharmaceutically acceptable salt thereof, the ester thereof, the deuterated compound or the stereoisomer thereof in the preparation of a drug for treating and/or preventing diseases mediated by USP1 and diseases related thereto.

B

Please select the most similar patent number from A, B, C and D. Which number is? A method for separation and quantitative analysis of pre-β1-HDL in serum by nonlinear gradient gel electrophoresis. The invention has the advantages that the preparation process of the nonlinear concentration gradient independent layering is simple and easy, wherein no special mixing device is needed; the electrophoresis is implemented for less than or equal to 3.5 hours, and the quantitative method does not require any radioactive substance. The nonlinear gradient gel electrophoresis can accurately detect the preβ1-HDL, demonstrating obvious superiority in performance. A: An image reconstruction method and apparatus in nonlinear gradient imaging, and a computer readable storage medium. The method comprises: calculating an O-Space nonlinear gradient magnetic resonance imaging echo at each center placement of a target image space position on the basis of an encoding phase (S101); calculating an O-Space nonlinear gradient magnetic resonance imaging signal on the basis of a magnetic resonance signal; then simplifying the O-Space nonlinear gradient magnetic resonance imaging signal as a minimization function; and calculating the minimization function on the basis of a primal dual algorithm and an approximate mapping algorithm to obtain a reconstructed target image (S104). According to the image reconstruction method, a primal dual algorithm capable of processing nonlinear transformation and an approximate mapping algorithm capable of directly processing a non-smooth function are used to perform image reconstruction for a target image, so that the problem in the prior art of poor quality of the reconstructed image resulting from smooth approximation needing to be performed on the target image such that a reconstruction signal being excessively smooth and losing image details is mitigated, the image definition can be efficiently improved, and the image details can be kept. B: A nonlinear self-correcting structured light three-dimensional measurement method and system for sinusoidal fringes. In the method, according to a nonlinear response of a system, a novel mathematical model of a direct current component is proposed; on the basis of the direct current component model, the respective modulation strength and mean intensity of three sets of sinusoidal fringes are adjusted; a nonlinear response equation is established, and a nonlinear relevant parameter of each pixel is calculated; the gray levels of fringe images are corrected by using an inverse function of the nonlinear response equation; wrapped phases and unwrapped phases are calculated according to the corrected fringe images; a three-dimensional point cloud is rebuilt according to triangulation, and a three-dimensional model of an object under detection is built, so that the three-dimensional measurement of the object is completed. According to the method, an increase in projection time and huge matrix inversion calculation time are not required, nonlinear errors under different frequencies and phases are reduced, and moreover, the wrapped phase precision and the unwrapped phase precision are improved, realizing high-speed and high-precision three-dimensional measurement. C: A fully automated high-precision capillary electrophoresis instrument, comprising an electrophoresis system, a sample injection flow path, and an automatic sampling flow path; the sampling flow path comprising a shunt waste bottle (4), which is connected to a four-way connector (3), and a four-way sample injection valve (5) and a buffer syringe pump (1); the four-way trace sample injection valve (5) is connected to the electrophoretic separation capillary of the electrophoresis system (7) and quantitatively injects samples into the separation capillary; the automatic sampling flow path comprises a sampling needle (15), a sample tray (16), a cleaning tank (17), reagent bottles (20), a buffer tube (14), a six-channel liquid dispenser (13), and a syringe pump (19); the three dispensing valves of the syringe pump (19) are connected to a cleaning liquid bottle (21), an autosampler waste bottle (22), and a buffer tube (14); the fixed interface of the six-channel liquid dispenser (13) is connected to the buffer tube (14); the six dispensing interface channels alternatingly switching connection to the fixed interface are connected to the sampling needle (15), the four-way connector (3), the four-way trace sample injection valve (5), and the three reagent bottles (20); the sampling needle (15) switches to insert into the cleaning groove (17) or the sample tray (16); the autosampler waste bottle (22) is connected to the four-way trace sample injection valve (5). The described capillary electrophoresis instrument has a fast sample injection speed, high accuracy, good reproducibility, and can be widely used in automated analysis of different substances by capillary electrophoresis. D: Disclosed in the present invention is a nonlinear optical crystal. The chemical formula of the nonlinear optical crystal is MHgGeSe 4 , M being selected from Ba or Sr. The nonlinear optical crystal has no symmetrical center, belongs to an orthorhombic crystal system, and has space group Ama2. The nonlinear optical crystal is a nonlinear optical crystal in infrared band, and has advantages of having a great nonlinear optical effect, a wide light transmitting band, a high hardness and good mechanical properties, being less brittle and less deliquescent, being easy to process and preserve, etc. Also disclosed in the present invention are a preparation method for the nonlinear optical crystal and use thereof.

C

Please select the most similar patent number from A, B, C and D. Which number is? Provided is a process for preparing a colour masterbatch, comprising the following steps: carrier grinding, colouring material grinding, accessory grinding, assistant agent grinding, mixed grinding, high-speed grinding, extrusion pelleting and drying. The colour masterbatch prepared by employing the process can be easily mixed with PET product plastics, and obtain the uniform colouring effect. The colour masterbatch not only improves the dispersibility, tinting strength and covering power, but also has the performances of weather resistance, acid resistance, heat resistance and cold resistance, and keeps the chemical stability of a pigment, such that the colour masterbatch is more environmentally friendly and healthier during use. A: Disclosed is a method for preparing a high-performance iron oxide red/clay mineral hybrid pigment by mechanochemistry, the method comprising mixing a clay mineral, a soluble iron source and an alkali source in a mill for grinding so as to obtain a precursor, wherein the ratio of balls to materials is controlled at 20-50, the grinding speed is 300-1200 rpm, and the grinding time is 30-360 min; and then calcining the precursor at 500ºC-900ºC for 30-120 min to obtain the high-performance iron oxide red/clay mineral hybrid pigment. The iron oxide red/clay mineral hybrid pigment has a bright and beautiful color, excellent high-temperature and acid resistance, and can satisfy requirements for high-performance iron oxide red pigments in the fields of paints, inks, ceramics, anti-corrosive coatings, etc. Furthermore, the preparation method of the present invention does not produce the three wastes, and is a simple process that is environmentally friendly and suitable for industrialized production, thus it is expected to replace existing production processes of iron oxide red pigments. B: A masterbatch composition, comprising a thermoplastic polyester, a yellow colorant component, a red colorant component, and a blue colorant component. The yellow colorant component is selected from Pigment Yellow 147, Pigment Yellow 18, Pigment Yellow 183, Dye Brown 53, or a combination thereof. The red colorant component is selected from Pigment Red 22, Pigment Red 144, Pigment Red 202, Pigment Red 214, or a combination thereof. The blue colorant component is selected from Pigment Blue 60, Dye Blue 67, or a combination thereof. The present invention further provides a colloidal particle that is obtained by developing the above masterbatch composition in a base material mainly composed of a thermoplastic polyester. An article produced from the present disclosure has an effect of slowing down and reducing heat absorption, and can maintain its original color during processing. C: The present invention provides a method for preparing a high temperature resistant bismuth yellow pigment under mechanochemical assistance. The method comprises: mixing an oxide which is used as a matrix and a dopant with a bismuth source, a vanadium source, or a molybdenum source, and placing the mixture into a mill for controlled grinding to obtain a precursor; further calcining and pulverizing the precursor to obtain high temperature resistant bismuth yellow pigment powder. The bismuth yellow pigment produced in the present invention has a bright color, and a b* value is greater than 90; the performance is stable, and the heat resistance can reach 800 °C or higher. By adoption of a mechanical grinding method, the preparation process is environmentally friendly, and no three wastes are produced, and reaction conditions are simple. Doping of BiVO 4 crystal lattices by introducing oxides can be achieved, so that the particle size and particle size distribution of the bismuth yellow pigment can be effectively controlled while the color performance of the bismuth yellow pigment is greatly improved; on the basis of the oxide doping, the heat resistance of the bismuth yellow pigment can be significantly improved without covering the surface of bismuth vanadate with a layer of solid deposits. D: Provided are a method for preparing a lake pigment, a lake pigment and the use thereof, which belong to the technical field of lake pigments. The method for preparing a lake pigment involves adding a solution containing at least two metal ions to an acidic aqueous solution containing a pigment raw material, reacting same to obtain solution A, further adding a chelating agent solution to the solution A, and carrying out a chelation reaction at a pH of 6-8 to obtain the lake pigment. The preparation method is simple in process and convenient in operation, and the prepared lake pigment has a small particle size, a high coloring property, and an excellent heat stability, acid and alkali resistance and light resistance, thereby broadening the scope of application of the lake pigment, and solving the technical problems of lake pigments prepared by using existing preparation methods having a larger particle size, a low coloring property, limited applications, and none of the light resistance, acid and alkali resistance, heat resistance, etc., thereof being ideal. Also provided is a lake pigment prepared by using the preparation method. Also provided is the use of the lake pigment in dyes, printing inks, pigments, inks, medicines, cosmetics or foods.

B

Please select the most similar patent number from A, B, C and D. Which number is? A process and apparatus for scrap tire pyrolysis and material discharging. The apparatus comprises a material chamber (1). A material-discharging mechanism, a sealing apparatus, and a baffle (14) are arranged in the material chamber (1). The material-discharging mechanism comprises sequentially from outside to inside a drum (2), turntables (3), and an eccentric shaft. A rotary sleeve (4) is provided between the turntables (3) and the eccentric shaft. The eccentric shaft is constituted by shaft I (5) and shaft II (6) that are integrally arranged. The axis of shaft I (5) is located above the axis of shaft II (6). The drum is concentric with shaft I (5). The turntables (3) are sleevedly connected onto both ends shaft II (6) and are concentric with shaft II (6). An opening is provided on the drum (2). Connecting rods (8) are provided on the turntables (3). A telescopic rod set movably embedded into the opening is provided between two turntable connecting rods (8). The sealing apparatus is connected to the bottom extremity of the baffle (14). The sealing apparatus and the baffle (14) are arranged at where the telescopic rod is shortest on an outer barrel. By employing interactions of an eccentric structure and a sealing structure, implemented is whole-tire continuous pyrolysis and material discharging in a sealed state, thus providing a novel approach for scrap tire pyrolysis. A: A roller nip adjusting mechanism of a feeding apparatus, comprising two mounting plates (4). A stationary roller is mounted between the mounting plates (4) and a movable roller is provided in parallel with the stationary roller. The movable roller comprises a roller (6) and an eccentric shaft (5). The eccentric shaft (5) consists of mounting sections at both ends thereof and an eccentric section in the middle thereof. The axis of the eccentric section deviates from that of the mounting sections. The mounting sections are rotatably mounted on the mounting plates (4), and the mounting section at one end passes through the mounting plate (4). A locking block (7) and a connecting block (8) are provided at the end of the mounting section that extends out. The connecting block (8) is connected with a handle (9). The locking block (7) is provided with a round hole. The locking block (7) is fitted over the end of the mounting section that extends out, wherein one side of the locking block (7) is fixed to the mounting plate (4), and the other side thereof is provided with a lateral opening (15) extending to the round hole. The locking block (7) is provided with a locking screw (10) which passes through the lateral opening (15). The apparatus has a simple structure and is easy to adjust. B: A vertical waste tire treatment and recycling system, the system comprising: a vertical cracking furnace (1), a feeding port (2), a first valve (3), a second valve (10), a buffer tank (4), a distillation still (5), a heat exchanger (6), an oil storage tank (7), a fan (8), a gas storage tank (9), a waste trough (12), a storage tank (9) and a magnetic separator (11), wherein a gas output opening of the vertical cracking furnace (1) is connected to the first valve (3) by means of a pipeline; the first valve (3) is connected to a gas inlet of the buffer tank (4) by means of a pipeline; a gas outlet of the buffer tank (4) is connected to a gas inlet of the distillation still (5) by means of a pipeline; a gas outlet of the distillation still (5) is connected to a gas inlet of the heat exchanger (6) by means of a pipeline; a gas outlet of the heat exchanger (6) is connected to the oil storage tank (7) by means of a pipeline; a gas output opening is further provided at the top of the oil storage tank (7), and the gas output opening is connected to a gas inlet of the fan (8) by means of a pipeline; a gas outlet of the fan (8) is connected to the gas storage tank (9) by means of a pipeline; and a discharge port below the vertical cracking furnace (1) is connected to the second valve (10) by means of a pipeline. C: An automated opening/closing mechanism comprising a drum (1), a closing mechanism (2), connecting rod I (3) connected to the closing mechanism (2), and connecting rod II (4) connected to connecting rod I (3). Transmission rod I (5) is arranged at where connecting rod I (3) and connecting rod II (4) are connected. Transmission rod II (6) is arranged at an extremity of connecting rod II (4). Weight wheel I (7) capable of sliding vertically along wheel groove I (12) is arranged on transmission rod I (5). Weight wheel II (8) capable of sliding vertically along wheel groove II (9) is arranged on transmission rod II (6). Limiting apparatus I (10) and limiting apparatus II (11) matching weight wheel I (7) and weight wheel II (8) are arranged in the drum (1). As such, by employing a simple structure, automated opening/closing of the opening/closing mechanism is implemented insofar that the drum is rotating, the need for manual operation is obviated, and convenience is provided for actual production. D: A magnetic separator for screening small particulate matters, comprising: a box body (1), a waste hopper (4), a magnetic roller (5) and a cleaning partition board (6), wherein the box body (1) is rectangular, the lower part of the box body (1) is fixedly connected to the waste hopper (4), one side of the box body (1) is provided with a feed port (2), one side of the box body (1) away from the feed port (2) is provided with a discharge port (11), a rectangular magnetic separation port (10) is provided in a bottom plate (3) of the box body (1), the magnetic roller (5) is located below the magnetic separation port (10), the magnetic roller (5) is rotatably connected to the waste hopper (4), a first baffle (7) is arranged at one side of the magnetic separation port (10) close to the feed port (2), a second baffle (8) is arranged at one end of the magnetic separation port (10) close to the discharge port (11), and the cleaning partition plate (6) is tangent to the lowest point of the magnetic roller (5). By using the characteristic that the small particulate matters can be blown up, the magnetic separator carries out magnetic separation on the small particulate matters moving in the air, thereby realizing the screening of waste tire carbon black, and improving the production quality of the waste tire carbon black.

B

Please select the most similar patent number from A, B, C and D. Which number is? A treatment method for implementing efficient resource utilisation of waste plastic (5), the treatment method comprising using high temperature liquid (4) to directly heat the waste plastic (5); the temperature of the high temperature liquid (4) needs to enable the waste plastic (5) to undergo a thermal cracking reaction in the high temperature liquid (4) to generate pyrolysis oil and slag. The high temperature liquid (4) may be a molten metal or metal alloy, or the high temperature liquid (4) may be a molten inorganic salt or inorganic base, or the high temperature liquid (4) may be a dual-layer liquid formed of a molten metal or metal alloy and a molten inorganic salt and/or inorganic base. A: The present invention relates to a system and process of industrial continuous cracking of mixed waste plastics according to class, the system comprising: an extrusion dryer; first and second stage lifting screw conveyors; a catalytic mixing cylinder; a semi-plasticizing feeder; first, second and third stage cracking reaction furnaces; slag discharging first, second and third stage screws; a separator; a slag storage tank; first, second and third basket-type filters; first, second and third stage settling towers; air-cooling first, second and third heat exchangers; water-cooling first, second and third stage heat exchangers; first, second and third stage gas-liquid separation tanks; first, second and third oil tanks; a non-condensable combustible gas purifier; a tail gas treatment module; a combustion chamber; and a combustor. In the present invention, according to the characteristics of different types of plastic and different cracking temperatures, a method for cracking mixed plastics according to class is provided, and the economic value added of the product of cracking is increased by independently recycling a cracked oil product; in addition, energy consumption during the cracking process is reduced by means of the recycling combustion of non-condensable combustible gas and the recycling of high-temperature waste heat, and waste gas passes through multiple purification steps, thus preventing environmental pollution. B: A liquid treatment device, a heat exchange device (4), a heat exchange box (10), a liquid heating appliance (20), a control method for the liquid heating appliance (20), a control device for the liquid heating appliance (20), and a computer-readable storage medium (90). The liquid treatment device comprises: a liquid inlet channel; a liquid outlet channel (32) and a heat exchange device (4); and a heating assembly. When outputting a liquid such as water having a relatively low temperature, the liquid treatment device can first heat the liquid such as water to a relatively high temperature by means of the heating assembly, so as to realize high-temperature sterilization, and then performs, by means of the heat exchange device (4), heat exchange to cool the liquid such as water which has been heated to a relatively high temperature to a temperature required by a user and then discharge same, so that a liquid such as water having a specified temperature can be outputted; in addition, performing high-temperature sterilization or disinfection on the liquid such as water which has a relatively low temperature before outputting same can remove bacteria and microorganisms in the liquid, thereby ensuring that the output low-temperature liquid is clean and sanitary. C: A rare earth metal and a rare earth metal alloy and a method for the preparation of these by molten salt electrolysis. In the method, the electrolyte is an alkali metal or the chloride-fused salt of an alkaline earth metal, the positive electrode is an inert electrode or graphite, the negative electrode is composed of a rare-earth metal oxide or a rare-earth metal oxide and the oxides of other alloy components and/or metal powders, and electrolysis is induced by the passage of a direct current. During the electrolytic process, the temperature of electrolysis is higher than the melting point of the rare earth metal alloy or of the rare earth metal produced, and lower than the melting point of the negative electrode; the surface layer of the negative electrode is in the first stage electrolyzed to a liquid metal film which accumulates to a certain volume before falling to the crucible at the bottom. The current density of the negative electrode is sufficient to separate out from said negative electrode the components of the rare earth metal alloy or the rare earth metal. The electrolysis voltage is lower than the decomposition potential of the electrolyte and higher than the decomposition potential of the oxides corresponding to each component of the rare earth metal alloy or to the rare earth metal. The rare earth metal alloy or the rare earth metal obtained through the present method is in a liquid state and is collected in a crucible. The present method is technically simple and environmentally-friendly, while featuring low energy consumption, high current efficiency, and low costs. D: An energy conserving sludge drying system comprising: a vacuum heating unit (10), an incineration unit (30), a vacuum cooling unit (20), and a molten-salt heat exchange unit (40). The vacuum cooling unit (20) comprises: a high-temperature gas inlet (202), a condensate outlet (203), a low-temperature gas outlet (204), a low-temperature liquid inlet (205), and an intermediate-temperature liquid outlet (206). The high-temperature gas inlet (202) of the vacuum cooling unit (20) communicates with the vacuum heating unit (10). The incineration unit (30) comprises: an incinerator (301), an incineration gas inlet (302), an oxidant gas inlet (305), a smoke discharging port (303), a cold molten-salt inlet (306), and a hot molten-salt outlet (307). The incineration gas inlet (302) communicates with the low-temperature gas outlet (204) of the vacuum cooling unit (20). The molten-salt heat exchange unit (40) comprises: a cold molten-salt outlet (402), a hot molten-salt inlet (403), an intermediate-temperature liquid inlet (404), and a high-temperature liquid outlet (405). The cold molten-salt outlet (402) communicates with the cold molten-salt inlet (306) of the incineration unit (30). The hot molten-salt inlet (403) communicates with the hot molten-salt outlet (307) of the incineration unit (30). The intermediate-temperature liquid inlet (404) communicates with the intermediate-temperature liquid outlet (206) of the vacuum cooling unit (20). The high-temperature liquid outlet (405) communicates with the vacuum heating unit (10).

A

Please select the most similar patent number from A, B, C and D. Which number is? An oil sludge pyrolysis device, comprising an outer cylinder body (1) and an inner cylinder body (2), a spiral conveyor belt (3) being provided on an inner wall of the inner cylinder body (2), and a thermally conductive pipe (4) being provided on the spiral conveyor belt (3). Said device enlarges the heat exchange area during oil sludge pyrolysis, improves the heat exchange efficiency and the heat utilization rate, and increases the pyrolysis speed of oil sludge at a low temperature. A: A material guide device of a three-barrel drying machine, comprising a composite cylinder body sleeved by three cylinder bodies having different diameters from large to small in a concentric mode, a feeding device (1) provided on one side of the composite cylinder body, and a transmission device (2) provided at the lower end of the composite cylinder body; wherein inner walls of an outer cylinder body (3), an intermediate cylinder body (4) and an inner cylinder body (5) are respectively provided with a spiral material raising plate; outer walls of the intermediate cylinder body (4) and the inner cylinder body (5) are respectively provided with a radial material lifting plate; one end of the inner cylinder body (5) is a material feeding port (6); the other end of the outer cylinder body (3) is a material discharging port (7); a material guide device is provided on the material discharging port (7) of the outer cylinder body (3); the material guide device comprises a mounting plate (8) and several arc material guide plates (9) uniformly provided on the mounting plate (8); a middle portion of the mounting plate (8) is provided with a mounting hole (10) cooperating with the material discharging port (7); and the mounting plate (8) is mutually welded to the inner wall of the outer cylinder body (3). The device has an advantage that the material discharging is more smooth, is simple in structure, and is convenient to use. B: A solid hazardous waste pyrolysis process and full-set equipment, the equipment comprising a special pyrolysis box for solid hazardous waste and intermittent pyrolysis equipment. The intermittent pyrolysis equipment comprises an outer barrel (2) and a rotatable inner barrel (4); at least one pyrolysis material placement area is formed in the inner barrel (4); the placement area is formed by multiple groups of guide plates circumferentially arranged on the inner wall of the inner barrel and baffles (21) arranged on the top of guide plates at the two ends; each group of guide plates comprise vertical plates (7) and sieve plates (5) that are alternately connected; and a reaction medium (22) is provided at the bottom of the inner barrel (4). By employing the solid hazardous waste pyrolysis full-set equipment having the described structure, solid hazardous waste may be placed in the special pyrolysis box for solid hazardous waste; a box body is placed between the baffles of the pyrolysis material placement areas; after a pyrolysis device is sealed, heating may be carried out to start pyrolysis; the inner barrel rotates to drive the box body to rotate at the bottom of the inner barrel; and a material in the box body is heated, melts and falls onto the reaction medium below, thus completing pyrolysis of solid hazardous waste. C: A conveying and cooling method for a high-temperature solid product obtained after waste plastic cracking. The conveying and cooling method comprises the following steps: 1) primary cooling: enabling the high-temperature solid product obtained after waste plastic cracking to enter a first spiral conveying apparatus (100) for cooling; 2) secondary cooling: enabling the solid product to enter a second spiral conveying apparatus (200) from the first spiral conveying apparatus (100) by means of a shifting device (500) for cooling; 3) tertiary cooling: enabling the solid product to enter a third spiral conveying apparatus (300) for cooling; and 4) storing and discharging: enabling the solid product to enter a storage tank (400), opening an electric valve (41), and discharging residues. High-temperature cracking residues are cooled in a staged mode by means of multi-stage spiral conveying; low-temperature discharging and conveying of the high-temperature residues are achieved; the residues are compressed and stacked in a spiral conveying process; self-sealing of the apparatus is achieved by means of natural gravity stacking of the residues; cracking gas is prevented from escaping; external gas is prevented from entering; and the sealing method is simple, effective and environmentally friendly. D: Provided is an industrial continuous oily sludge thermal decomposition equipment, belonging to the field of oily sludge treatment. The industrial continuous oily sludge thermal decomposition equipment comprises a cracking furnace and a heating chamber, wherein the heating chamber is arranged outside the cracking furnace, and the cracking furnace interior comprises a full high temperature region or a low temperature region-high temperature region. The cracking furnace is provided with a conveyor chain belt, and the conveyor chain belt can be multi-layered and staggered. The end of the conveyor chain belt is a discharge port, the discharge port is connected to one end of a rotary sealing joint, and the other end of the rotary sealing joint is connected with a cooling cylinder. In the equipment, the conveyor chain belt is staggered in the vertical direction, which increases the residence time of the oily sludge in the cracking furnace, so that the pyrolysis is more sufficient. Meanwhile the length and size of the equipment is shortened, which saves equipment investment. An AC variable frequency stepless speed regulating motor is used to adjust the speed of the conveyor chain belt, so that the pyrolysis rate and residence time can be effectively controlled, and the particle size and dryness of tailings can be precisely controlled.

D

Please select the most similar patent number from A, B, C and D. Which number is? An environmentally-friendly fin stamping oil, consisting of a narrow-cut isoparaffin base oil, a volatile synthetic ester, a Guerbet alcohol, and a copper corrosion inhibitor. The mass percent of the narrow-cut isoparaffin base oil in the fin stamping oil is 90%-95%; the mass percent of the volatile synthetic ester in the fin stamping oil is 1%-5%; the mass percent of the Guerbet alcohol in the fin stamping oil is 1%-5%; and the mass percent of the copper corrosion inhibitor in the fin stamping oil is 0.1%-0.5%. Also provided is a preparation method for the fin stamping oil, comprising: adding a narrow-cut isoparaffin base oil to a reaction kettle; then adding a volatile synthetic ester, a Guerbet alcohol, and a copper corrosion inhibitor; and stirring the mixture at room temperature to obtain an environmentally-friendly fin stamping oil. The present invention has a closed-cup flash point that may be more than 80°C, safety far greater than a conventional fin stamping oil, and volatility that may reach 100% at 140°C within 5 minutes, is gentle to hand, non-corrosive, and environmentally friendly, and features good biodegradability. A: Provided are a corrosion inhibitor having hydrate inhibition functions, a preparation method therefor and use thereof. The corrosion inhibitor comprises the following components by mass percentage: 1-30% of a halogenated pyridine quaternary ammonium salt, 55-94% of a solvent and 0.1-15% of an auxiliary agent. The corrosion inhibitor prepared in the present invention can simultaneously achieve corrosion protection and hydrate inhibition functions in steel pipeline devices, and further has the advantages of simple preparation compared with similar technologies. The corrosion inhibitor has a corrosion inhibition rate higher than 90% for corrosion of 20 # steel materials in an environment of 10-60 °C and H 2 S-CO 2 -Cl - and a degree of supercooling higher than 6 °C. B: The present invention relates to a sealant composition for repairing punctures on a tire and a preparation method therefor. The sealant composition comprises 80-95% in weight percentage of a liquid carrier, 0.1-10% in weight percentage of a gel material derived from a water-soluble polymer, 1-10% in weight percentage of a latex, 0.1-5% in weight percentage of rigid particles and 0.1-5% in weight percentage of a surfactant. 0.1-1% in weight percentage of additives, such as a defoaming agent, a preservative, an anti-corrosive agent, a colourant, a flavouring agent etc., can also be added into the sealant as required. The present invention also relates to a preparation method for the sealant composition. C: A tri-component mixing working medium suitable for waste heat recovery power cycle in an internal combustion engine, consisting of CO2, pentane, and a refrigerant. The refrigerant is any one of difluoromethane, fluorethan, and 1,1-difluoroethane. Depending on different selected refrigerants, the mass percentage of the components is as follow as: the mass percentage of CO2/pentane/difluoromethane is 30-70/10-20/10-60; the mass percentage of CO2/pentane/fluorethan is 30-70/10-20/10-50; the mass percentage of CO2/pentane/1,1-difluoroethane is 10-70/10-30/10-60. The tri-component mixing working medium has good environmental protection, safety, and thermodynamic property, and the thermal efficiency greater than 12%, can efficiently recycle the engine smoke and the waste heat energy of cylinder liner water, has the utilization rate of smoke greater than 60% and the utilization rate of cylinder liner water of 100%, and has the critical temperature significantly improved compared with that of CO2. The cooling condition of a system is relaxed to meet the waste heat recovery system requirement for a vehicle. D: Provided are a long-life synthetic high-temperature chain oil and method for preparation thereof; the total amount of synthetic ester base oil is 100 parts, and additives are 11.95–36.25 parts. Base oil is added to a product kettle for preheating; MDI is added to the product kettle, and upon stirring, is caused to melt completely, and is stirred for reaction; isotridecanol is slowly added to the product kettle, and warms upon being stirred, causing the materials in the kettle to react at a constant temperature of approximately 85–95°C; then water is added to the kettle and the constant-temperature stirring reaction is continued; heating up to 110–120°C is performed, and vacuum stirring and dehydration are performed; the vacuum is released and heating is stopped; high-temperature antioxidant, high-temperature anti-scorching agent, cleaning dispersant, and copper corrosion inhibitor are added to the kettle in sequence, and stirring is performed at constant temperature for 25–35 minutes; extreme pressure anti-wear additive is added to the kettle, and stirring is performed for 10–15 minutes to obtain a synthetic high-temperature chain oil. The present invention has outstanding oxidation stability, strong chain adhesion, high temperature of usage, and a long service life.

D

Please select the most similar patent number from A, B, C and D. Which number is? A composition and a laundry tablet for cleaning clothes and a preparation method therefor. The composition and the laundry tablet are composed of the following components: water, polyvinyl alcohol (PVA) or a modified polyvinyl alcohol (modified PVA), polyvinyl pyrrolidone (PVP) or a modified polyvinyl pyrrolidone (modified PVP) mixture, a potassium fatty alcohol sulfate, a sodium fatty alcohol sulfate, lauryl polyoxyethylene ether, citric acid, sodium carbonate, sodium hydroxide, a preservative, a plasticizer, a fatty acid potassium salt, and a fragrance. The composition for cleaning clothes has stronger detergency and better solubility. The invention ensures that clean laundry is softer and achieves an improvement of overall product performance. A: A spray type liquid bandage, comprising the following components in parts by weight: 20-30 parts of ethyl cellulose, 6-10 parts of carboxymethyl chitosan, 3-5 parts of a polyvinylpyrrolidone-vinyl acetate copolymer, 15-25 parts of ethanol, 20-25 parts of ethyl acetate, 25-40 parts of diacetone alcohol, 5-15 parts of isooctane, 5-15 parts of n-hexane, 5-15 parts of n-heptane, 1-5 parts of sodium dodecyl sulfate, 1-5 parts of Tween, 0.5-1.5 parts of glycerol, and 25-35 parts of distilled water. The ethyl cellulose, carboxymethyl chitosan and polyvinylpyrrolidone-vinyl acetate copolymer are used in combination as film-forming materials, and volatile solvent combinations and volatile aid combinations are used, and sodium dodecyl sulfate and Tween are used as surface tension modifiers, so that the formed film has good flexibility and elasticity, low bonding, low surface tension and good moisture retention. B: A cleaning liquid for washing a plate catalyst, comprising 5-10 wt% of dodecyl benzene sulfonic acid, 5-10 wt% of fatty alcohol polyoxyethylene ether sodium sulfate, 4-12 wt% of coconut oil fatty acid monoethanolamide, and 3-25 wt% of an auxiliary agent. The preparation method therefor comprises mixing and stirring dodecyl benzene sulfonic acid, fatty alcohol polyoxyethylene ether sodium sulfate, coconut oil fatty acid monoethanolamide, and the auxiliary agent to form the cleaning liquid. C: The present invention discloses a preparation method of a sustainable hydrophilic modified polyvinylidene fluoride hollow membrane, comprising the following steps: (1) a core solution and a polyvinylidene fluoride casting solution are co-extruded from an annular spinneret of a hollow fiber spinning apparatus to obtain nascent membrane filaments, wherein the core solution is formed by reacting ammonium persulfate, polyvinylpyrrolidone and RO water; (2) at 40-50ºC, the nascent membrane filaments obtained in step (1) are spun by means of a dry-wet spinning process to form a hollow fiber membrane, wherein a coagulating bath is water or a mixture of water and a solvent, and by controlling the flow rate of the core solution, and the temperature and composition of the coagulating bath a hollow fiber membrane with different internal and external structures can be obtained; and (3) a membrane filament moisturizing process: the hollow fiber membrane obtained in step (2) is immersed in pure water at 15-40ºC for at least 48 hours, and is then placed in a mixed solution of water and glycerin and immersed for at least 12 hours, followed by drying to obtain the sustainable hydrophilic modified polyvinylidene fluoride hollow membrane. D: Disclosed is a colistin sulphate premix, which is composed of the following components in percent content by weight: 3%-8% of colistin sulphate, 2%-6% of a binder and the balance being a carrier, wherein the binder is composed of polyvinylpyrrolidone and carrageenan, and the mass ratio of the polyvinylpyrrolidone to the carrageenan is (1 - 3) : 1.

B

Please select the most similar patent number from A, B, C and D. Which number is? A frequency conversion ultrasonic wine aging device for bottled wine comprises a base (1), and an opening portion formed by extending upwards along a peripheral edge of the base (2); a container is arranged in the opening portion and used for containing a sound conducting medium solution; when the frequency conversion ultrasonic wine aging device is used, a wine bottle (3) is placed in the container and immersed in the sound conducting medium solution; an ultrasonic transducer (21) and a control circuit board (23) are mounted in the base (2); the control circuit board (23) is provided thereon with an ultrasonic generating unit and an ultrasonic frequency modulation unit; the ultrasonic generating unit is used for converting a commercial power into an ultrasonic frequency alternating current signal; the ultrasonic frequency modulation unit serves to modulate the frequency of the ultrasonic frequency alternating current signal so that the frequency of the ultrasonic frequency alternating current signal varies cyclically within a set range; the frequency-modulated ultrasonic frequency alternating current signal is input into the ultrasonic transducer (21) to cause the ultrasonic transducer (21) to generate an ultrasonic wave; and the ultrasonic transducer (21) is used to transmit the ultrasonic wave into the container. The frequency conversion ultrasonic wine aging device can generate the best ultrasonic frequencies required for ripening and aging of various types of wines, and also realizes acceleration of a wine ripening process to achieve a quick aging effect. A: An ultrasonic alcoholic beverage aging device, comprising an ultrasound generating unit, a containing unit, an alcoholic beverage holding unit, and an alcoholic beverage input and output operating unit. The ultrasound generating unit is used to generate a mechanical vibration. The mechanical vibration is transmitted to the alcoholic beverage holding unit via water in the containing unit so as to perform aging processing on an alcoholic beverage in the alcoholic beverage holding unit. The alcoholic beverage input and output operating unit is used to input the alcoholic beverage into the alcoholic beverage holding unit and output the liquid from the alcoholic beverage holding unit. The aging device is further provided with a control panel, and the control panel is provided with a alcoholic beverage input and output switch. When the alcoholic beverage input and output switch is in different positions, the alcoholic beverage input and output operating unit is controlled to perform an alcoholic beverage input or output operation. B: Disclosed is a medical drug delivery device, comprising an ultrasonic generator (4) and a cavity body (1), wherein the cavity body (1) can be pressed closely against human skin and has a liquid permeation structure set in the side, and an ultrasonic transducer (2) is arranged inside the cavity body (1) with the ultrasonic transducer (2) being electrically connected to the ultrasonic generator (4) through a wire (3), and the cavity body (1) is in communication with a drug delivery tube (7) with a bleeder pipe being set in the cavity body (1), and the drug delivery tube (7) is connected to a liquid medicine storage pump (6). The ultrasonic transducer (2) is an ultrasonic piezoelectric ceramic piece, and the drug delivery device also comprises a controller (5) connected to a computer, and the liquid medicine storage pump (6) and ultrasonic generator (4) are controlled by the controller (5). A pressure testing probe (11), which is connected to the controller (5), is arranged in the liquid medicine after being outputted by the liquid medicine storage pump (6). The medical drug delivery device does not need to break the skin using a needle to perform drug delivery, causes no trauma, can reduce patients' pain and chances of infection, and increases the drug sensitivity of human cells, thereby improving the therapeutic effects. C: An ultrasonic soup cooker includes a body (10), an ultrasonic generator and an ultrasonic transducer (20) which is mounted in the body (10). The ultrasonic generator is coupled electrically to the ultrasonic transducer (20). The ultrasonic transducer (20) can change electric energy into ultrasonic vibration, and cause the excitation of water, so as to make the nutrition in food dissolved in the soup sufficiently. D: An intelligent ultrasonic material level sensor, comprising an upper cover (11), a housing (1), a probe (31), and a circuit portion (2), wherein a fixed bracket (115) is provided in the housing (1), and the fixed bracket (115) is used to install the circuit portion (2); the circuit portion (2) is provided in the housing (1), and the circuit portion (2) comprises a power conversion module, an ultrasonic transducer unit (22), an ultrasonic driving circuit, an instrumentation amplifying circuit, a filtering and amplifying circuit, a gain adjusting module, a central processing unit and a temperature filtering circuit; the ultrasonic transducer unit (22) comprises a signal receiving and transmitting unit and a temperature detecting unit, and the ultrasonic transducer unit (22) is provided at an inner part of the probe (31). The present sensor is highly reliable and has precise detection accuracy, will not be affected by temperature, and has strong anti-interference capabilities; and sound speed learning may be achieved by means of a key learning mode.

A

Please select the most similar patent number from A, B, C and D. Which number is? A liquor path structure having an air pressure flushing function, and an ultrasonic liquor aging system. A sub liquor control valve (J113) is provided at the outlet of a liquor inlet and outlet pipe; a high-pressure air input port is provided on an air discharge pipe; a manual air valve is provided on the high-pressure air input port; a medical air pump is movably connected to the high-pressure air input port; an air discharge valve (J102) and the sub liquor control valve (J113) are controlled to be closed, and high-pressure air within a preset pressure range is injected into a stainless steel aging barrel (J111) by means of the medical air pump; the sub liquor control valve (J113) is controlled to be opened, and residual liquor in the stainless steel aging barrel (J111) is instantaneously vaporized and is discharged by means of the liquor inlet and outlet pipe. By using the principle that a liquid is suddenly released and atomized after high pressure is applied, and then is discharged along with high-pressure gas, the residual liquor in a liquor path is quickly cleaned when an aged liquor needs to be replaced, and the residual liquor hung on a wall or other corners can be cleaned. A: A sensor cleaning device (20) and method, a sensor recognition system and an autonomous vehicle (1). The sensor cleaning device (20) comprises a main control module (21), a high-pressure gas nozzle (22), and a high-pressure liquid nozzle (23). The main control module (21) is connected to the high-pressure gas nozzle (22) and the high-pressure liquid nozzle (23) and configured to control the high-pressure gas nozzle (22) and the high-pressure liquid nozzle (23). The high-pressure gas nozzle (22) and the high-pressure liquid nozzle (23) are fixedly provided on a sensor (10), and the high-pressure gas nozzle (22) is connected to a gas pump and configured to spray high-pressure gas to clean the sensor (10). The high-pressure liquid nozzle (23) is connected to a water storage tank and a liquid storage tank storing cleaning liquid, and configured to spray clean water or the cleaning liquid to clean the sensor (10). When the sensor (10) needs to be cleaned, the main control module (21) controls the high-pressure liquid nozzle (23) to spray out the cleaning liquid to clean stains, clean water is sprayed out for flushing, and high-pressure gas is sprayed out by means of the high-pressure gas nozzle (22), such that cleaning of the sensor (10) is completed, and the recognition accuracy of the sensor (10) is improved. B: Disclosed are a system and method for storing a high pressure gas on the seabed, using a gas compressor (3) to compress and provide an uninterrupted supply of gas into a sealed gas tank (1) on the seabed via a gas inlet pipe (6). When the high pressure gas in the sealed gas tank (1) needs to be used, the sealed gas tank (1) releases the high pressure gas to an external energy conversion apparatus via a gas discharge pipe (7). An internal and external sensor transfer a pressure value to a controller for pressure comparison and for control of a lifting apparatus. When the high pressure gas is poured into the sealed gas tank (1), the lifting apparatus drives the sealed gas tank (1) to sink, and when the sealed gas tank (1) releases the high pressure gas to the outside, the lifting apparatus drives the sealed gas tank (1) to float upwards. When the sealed gas tank (1) is storing or discharging the high pressure gas, the internal and external pressure differential borne by the housing thereof is within the pressure range of the bearing capacity of the housing of the sealed gas tank. That is to say, the sealed gas tank (1) can admit more high pressure gas and does not need a relatively thick tank wall for support, making the costs of the sealed gas tank lower. C: A pneumatic multi-stage pressurization device, comprising a drive cylinder (1), a drive piston (2) disposed in the drive cylinder (1), a multi-stage pressurization device (3) connected to the drive piston (2), and a filter (4) connected at the back end of the multi-stage pressurization device (3); the drive cylinder (1) comprises a drive cylinder sleeve (11), and a pressurized cylinder cap (12) and a cylinder seat (13) disposed at the two ends of the cylinder sleeve (11); the pressurized cylinder cap (12) and the cylinder seat (13) are connected to a reversing valve (5); disposed on the reversing valve (5) are an exhaust opening, a reversing pipe air inlet, a forward pipe air outlet, a reverse pipe air outlet, a high pressure pipe connector, and a gas input connector. The drive piston (2) moves to the pressurized cylinder cap (12) position, triggering a pressure reducing valve (16); the pressure reducing valve (16) discharges the pressure in a reversing cylinder; the reversing valve core moves; gas in a reverse pipe switches to an exhaust pipe to be released; and a forward pipe opens. The described actions realize reciprocating operation. The drive piston (2) drives a second stage pipe and a high pressure rod, thereby driving reciprocating operation of a first stage piston (32), a second stage piston (34) and a third stage piston (36). D: An ultrasonic alcoholic beverage aging device, comprising an ultrasound generating unit, a containing unit, an alcoholic beverage holding unit, and an alcoholic beverage input and output operating unit. The ultrasound generating unit is used to generate a mechanical vibration. The mechanical vibration is transmitted to the alcoholic beverage holding unit via water in the containing unit so as to perform aging processing on an alcoholic beverage in the alcoholic beverage holding unit. The alcoholic beverage input and output operating unit is used to input the alcoholic beverage into the alcoholic beverage holding unit and output the liquid from the alcoholic beverage holding unit. The aging device is further provided with a control panel, and the control panel is provided with a alcoholic beverage input and output switch. When the alcoholic beverage input and output switch is in different positions, the alcoholic beverage input and output operating unit is controlled to perform an alcoholic beverage input or output operation.

D

Please select the most similar patent number from A, B, C and D. Which number is? A molecular diagnostic platform, comprising: a rack; a cartridge; and a sample processing module, a sample transfer module, a thermal cycling module, and an optical module which are provided on the rack. The cartridge is configured to be used for packaging a sample to be tested and various reagents, and an operator places the cartridge on a cartridge moving assembly of the rack so as to convey the cartridge to the sample processing module; the sample processing module is configured to be used for operating the cartridge, so that the reagents in the cartridge sequentially react with the sample, and a sample solution obtained after the reaction is canned in a capillary tube on a test tube rack; and the sample transfer module is configured to be used for transferring the test tube rack to the thermal cycling module, so that the sample is subjected to a PCR reaction, and fluorescence signal acquisition is performed on the sample by means of the optical module to obtain a fluorescence imaging picture. A: A fully automatic sperm cell detector, comprising a detection platform (10), a control system (60) provided on the detection platform (10), and a sample processing system (20), liquid flow system (30), laser optical system (40) and photoelectric detection system (50) that are all connected to the control system (60). The sample processing system (20) is used to count sperm cells in a semen sample to be processed, and perform a dyeing reaction treatment on the sperm cells in the semen sample to obtain a dyed sperm sample. The liquid flow system (30) is connected to the sample processing system (20), and is used to carry out mixed reaction, flowing, detection and recovery processing of the dyed sperm sample outputted from the sample processing system (20) and sheath fluid. The control system (60) is used to control the sample processing system (20), the liquid flow system (30), the laser optical system (40) and the photoelectric detection system (50), and then conduct fully automatic detection and analysis on the semen sample and generate an analysis result. The present detector implements the fully automatic high-throughput rapid detection and analysis of semen samples. A user need only place the semen samples in a sample pool to carry out a fully automatic operation and automatically output the detection and analysis results. B: The present invention provides a fully automatic photoexcited chemiluminescence detector for improving the accuracy of chemical analysis, comprising a sample loading module, a sampling arm module, an incubation disk module, a reagent disk module, and a reagent arm module. The sample in the sample loading module is transferred to a reaction cuvette on the incubation disk module by means of the sampling arm module; after the reaction cuvette is rotated to a specified position along with the incubation disk, the reagent arm module transfers the reagent in the reagent disk module to the reaction cuvette; and the sample in the reaction cuvette is mixed with the reagent to perform incubation in the incubation disk, and then is transferred to a detection module to perform photoexcitation; and the luminescence signal generated after the excitation is detected. The whole operation of the fully automatic photoexcited chemiluminescence detector of the present invention is automatic, so that the problems, such as individual differences, manual errors, and non-standard actions, in the manual operation can be effectively avoided, and the accuracy of the chemiluminescence immunoassay can be improved. C: Disclosed in the present invention are a molecular detection system and a microfluidic kit applicable to the molecular detection system. The molecular detection system comprises: a substrate provided with a fixing device, a driving device, a detection device, and a temperature control device, wherein the fixing device is suitable for fixing a container containing a sample to be detected; the driving device is suitable for driving the container to preprocess said sample; the detection device is suitable for detecting said preprocessed sample; and the temperature control device is suitable for regulating the temperature of said sample. The microfluidic kit comprises: a kit body in which a reagent area, a sample area, and a reaction area are provided; and a microfluidic kit chip comprising a microfluidic pipeline, wherein a puncture member facing towards a liquid outlet is provided in the microfluidic pipeline, and the microfluidic kit chip is respectively connected to the reagent area, the sample area, and the reaction area by means of the microfluidic pipeline. D: A blood analyzer (1) and a control method therefor, the blood analyzer (1) comprising a sample transport module (11) for transporting a sample to be tested, a dispensing module (13) for sucking in and discharging samples or reagents, a sample incubation module (14) for incubating samples, a reagent storage module (15) for storing the reagents, a transfer module (16) for transferring an assay cup, and a sample detection module (17) for detecting the samples. The dispensing module (13) is capable of transferring the samples from a sample delivery module (11) to the assay cup of the sample incubation module (14), and the dispensing module (13) may also transfer the reagents from a first reagent storage mechanism (151) to the assay cup of the sample incubation module (14) or the assay cup of the sample detection module (17); and the transfer module (16) is capable of transferring the assay cup in the sample incubation module (14) to the sample detection module (17). The described blood analyzer (1) may easily facilitate modular operation and is convenient for adding a module to achieve a corresponding function, thus being easy to expand.

C

Please select the most similar patent number from A, B, C and D. Which number is? Provided is a method for extracting plasmid DNA in bacteria, realizing lysis and neutralization during plasmid production in two mixing assemblies connected in series, and comprising the following steps: (1) mixing, (2) lysing, and (3) neutralizing. Step (1) is completed in a first mixing assembly; step (2) is completed in a lysis helical tube; step (3) is completed in a second mixing assembly; and the first mixing assembly, the lysis helical tube and the second mixing assembly are sequentially connected in series. A device used in the plasmid preparation process is simple, is convenient to operate, is low in costs, can remove a large amount of impurities during cell lysis without professional customized device and expensive device, has safe components, realizes automatic continuous lysis, and facilitates industrial production. A: The present invention relates to an optimal production method for a graphene powder material having a three-dimensional structure, comprising the following steps: (1) sensitizing a polymer, wherein sensitizing treatment comprises sequentially performing alkalization treatment, acidification treatment, metal ion exchange and pore-forming treatment on the source material; (2) drying the sensitized raw material obtained in step (1); (3) performing high-temperature pyrolysis treatment on the dried raw material obtained in step (2); (4) in a solvent, performing disintegration treatment on the sample following the high-temperature pyrolysis treatment in step (3); (5) performing metal recovery treatment on the sample following disintegration in step (4). The whole process for preparing the graphene powder material having a three-dimensional structure according to the method of the present invention does not require grinding and pulverization, thus optimizing cumbersome preparation processing when preparing graphene according to a conventional catalytic cracking method, simplifying the production procedure and reducing production costs. B: The present invention relates to a crude oil cracking method and system. The method comprises: delivering crude oil to a first tube group of a convection section of a cracking furnace for preheating and then performing vaporization to obtain a first gas phase and a first liquid phase; performing high-pressure extraction on the first liquid phase to obtain a non-asphalt oil and asphalt; and mixing the first gas phase and the non-asphalt oil with water vapor separately, or mixing the first gas phase with the non-asphalt oil first and then mixing the mixture with water vapor, then delivering the same to a second tube group of the convection section of the cracking furnace for heating, then delivering same to a radiation section of the cracking furnace for cracking to obtain a cracking product, and separating the cracking product to obtain a low-carbon olefin. In the present invention, after crude oil is preheated and vaporized in a cracking furnace, an obtained gas phase enters the cracking furnace, and an obtained liquid phase passes through a supercritical extraction unit to obtain a separated extract oil and the extract oil enters the cracking furnace; the method can effectively improve the crude oil cracking efficiency, improve the yield of a low-carbon olefin in the product, extend the operating cycle, and reduce coking of a gasified crude oil mixture in a cracking process. C: Provided is a mixing module (100), comprising a housing (1), multiple partitions (2), and a mixing device (3). The multiple partitions (2) comprise a first partition (21) and a second partition (22) spaced apart from each other. The first partition (21) and the second partition (22) separate the housing (1) into a first chamber (41), a second chamber (42), and a third chamber (43). The mixing device (3) is at least partially supported by the first partition (21), and comprises a first mixing pipe (31) and a second mixing pipe (32) parallel to the first mixing pipe (31). The first mixing pipe (31) comprises multiple first swirl plates (312). The second mixing pipe (32) comprises multiple second swirl plates (322). Both the first swirl plates (312) and the second swirl plates (322) are located in the first chamber (41). The mixing module (100) further comprises a first air deflector (35) and a second air deflector (36) that are secured on the second partition (22) to force air to flow in reverse. The mixing module (100) increases the distance and duration of urea evaporation and improves uniformity of air flow mixing. D: A chaotropic agent and a method for extracting genomic DNA by using same. The chaotropic agent contains sodium bromate, and the compound can quickly and effectively separate histone in a nucleosomal structure from genomic DNA. The method for extracting genomic DNA by using the chaotropic agent comprises the following steps: adding a cell lysis solution to a sample to rupture cells; then mixing the sample with a chaotropic agent uniformly to obtain a material in which histone and genomic DNA are separated; adding protein extracting liquid, followed by uniform mixing and centrifugation, to obtain supernatant after protein is extracted; and mixing the supernatant with a DNA precipitant, and centrifuging the mixture to obtain a DNA precipitate. Compared with a method using sodium perchlorate, this method is different in the type of the chaotropic agent, and has lower valence and more appropriate yield and purity of the genomic DNA. Compared with a conventional proteinase K method, this method requires no long-time digestion, saves a great deal of time, overcomes the defect of susceptibility to change in protease K activity and the disadvantage of inadequate digestion, and features good repeatability and high stability.

D

Please select the most similar patent number from A, B, C and D. Which number is? The present invention provides a large-circulating cell retention apparatus, a fluid circulation pump, and a down-detection shaker. The present invention belongs to the technical field of cell retention apparatuses. The down-detection shaker comprises a shaker body; a shaking disc at the top of the shaker body is mounted on an upper bearing plate; four corners of the upper bearing plate are respectively mounted at the upper ends of four down-detection columns; a column fixing frame is mounted in the middles of the four down-detection columns; the lower ends of the four down-detection columns are respectively mounted on a shaking disc bottom plate; sliding sleeves and sleeve locking screws are mounted on the shaking disc bottom plate; the sleeve locking screw is mounted on the outer side of the center line of the sliding sleeve; the sliding sleeve is slidably provided with an openable heat preservation tank. The fluid circulation pump comprises a double-layer hard plastic shaking tank, a stirring tank and the down-detection shaker. The large-circulating cell retention apparatus comprises a supernatant extraction and backwashing system and the fluid circulation pump. A: Disclosed is a metal component grinding device with a positioning function. The grinding device comprises a housing (6), a moving base (10) and support legs (7). A threaded sleeve (1101) is rotatably mounted inside the housing by means of a threaded rod (11). The top of the housing is provided with an adjustment groove (601). The moving base (10), which extends out of the adjustment groove, is mounted at the top of the threaded sleeve by means of fixing rods (1103). A moving platform (9) is mounted on the moving base in a sliding manner by means of a slide groove. Two support posts (1) are fixedly mounted at the top of the moving platform. Chucks (104) are respectively mounted on outer sides of the support posts in a penetrating manner by means of threaded adjustment knobs (103) and adjustment discs (105). An upright post (5) is fixedly mounted on one side of the top of the housing. An electric motor (3) is fixedly mounted at the top of the upright post by means of a pedestal (4). The device moves left and right by means of mounting a moving assembly inside the housing and by means of using the threaded rod with the threaded sleeve and the moving base, and by means of mounting the chucks, which are adjustable, between the support posts, a component can overturn using the adjustment discs while the component is fixed. B: A hydraulic press machine for a fiber-reinforced plastic product. Columns (2) are mounted at four corners of a worktable (4). The tops of front and rear rows of columns are respectively connected to each other by means of upper cross beams (1) extending along left and right directions. Pull rods (10) are respectively inserted into the front part and the rear part of each column. The upper ends of the pull rods respectively penetrate through the tops of the upper cross beams and are fixed onto the upper cross beams by means of upper nuts. The lower ends of the pull rods respectively penetrate through the bottom of the worktable and are fixed onto the worktable by means of lower nuts. Intermediate cylinders (5) are respectively mounted in the intermediate parts of the upper cross beams. Side cylinders (6) are symmetrically mounted on left and right sides of the intermediate cylinders, respectively. Lower ends of plungers of the intermediate cylinders and the side cylinders are all fixedly connected to the top of a sliding block (3). Return cylinders (7) and mold opening cylinders (8) are respectively provided between columns on the same side. The return cylinders and the mold opening cylinders on the left and right sides are diagonally distributed. The intermediate cylinders and the side cylinders are respectively connected to an oil tank by means of a prefill valve (D0). The hydraulic press machine for a fiber-reinforced plastic product has a large worktable area, a long stroke of the sliding block, and a large pressing force, and avoids the stress concentration problem caused by the large worktable surface. C: The present invention relates to a surgical robot, comprising a base, a column, mechanical arms, and a push handle. The push handle is fixedly mounted on the rear part of the upper end of the base; the column is fixedly mounted in the middle of the upper end of the base; the mechanical arms capable of moving up and down are disposed on side walls of the column; mechanical arm connecting devices are provided between the column and the mechanical arms. According to the present invention, the mechanical arm connecting devices enable the mechanical arms to obtain larger movement ranges and spaces towards the front, the left side, and the right side, and also facilitate positioning of the mechanical arms before surgery, to obtain a larger surgical space; mechanical arms may be mounted on the four sides of the column, one mechanical arm can be independently used, and two or three or four mechanical arms can be simultaneously used; by means of the mechanical arms at different positions and in various combinations, surgical requirements with different mounting requirements are met. D: Disclosed is a fixable cell culture assembly, comprising a cell culture bag and a biological shaker, wherein the biological shaker comprises a tray, and the cell culture bag comprises a closed bag body and a fixing assembly, which comprises a bottom sheet, a chuck and a screwing cap. The bottom sheet is fixedly connected to the closed bag body; the chuck comprises a threaded post and an elastic clamping jaw; the screwing cap is of an up-down through structure and comprises a threaded pipe section and a tapered pipe section; a groove is provided in an upper end face of the tray; and a clamping rod, which cooperates with the chuck, is vertically arranged at the bottom of the groove. The present application has the beneficial effects of the cell culture bag and the tray being quickly fixed and separated from each other, the cell culture bag not sliding when the tray swings, the cell culture efficiency being higher, the loss being less, and the improvements to the tray being minor, such that the cell culture assembly is suitable for most biological shakers on the market, the replacement cost of the shaker is reduced, and the promotion of same is easy.

D

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed in the present invention is a multi-efficiency accurate electrical stimulation device for an egg cell. The multi-efficiency accurate electrical stimulation device comprises: a base; an electrical stimulation mechanism comprising two first electrical stimulation assemblies and two second electrical stimulation assemblies, wherein each first electrical stimulation assembly comprises a liquid metal capillary micro-needle electrode and a first needle holding instrument connected to the liquid metal capillary micro-needle electrode, and each second electrical stimulation assembly comprises a metal parallel plate micro-electrode and a second needle holding instrument connected to the metal parallel plate micro-electrode; a cell pose adjusting chip mounted on the base and configured for adjusting the pose of a cell; and a rotating mechanism mounted on the base, connected to the cell pose adjusting chip and configured for driving the cell pose adjusting chip to rotate. Further disclosed is a multi-efficiency accurate electrical stimulation method for an egg cell. According to the present invention, accurate electrical stimulation can be carried out on specific parts of an egg cell at different stages during an entire cloning process, multiple effects of targeted electrical stimulation are achieved at all stages of a somatic cell cloning process, and the success rate of the entire somatic cell cloning process is increased. A: A functional electrical stimulation system is disclosed. The functional electrical stimulation system includes: an initial power supply; a boost module, connected with the initial power supply for boosting output voltage of the initial power supply to a first preset voltage; an energy storage module, connected with the boost module for storing the electrical energy of the voltage boosted to the first preset voltage; a central control unit, used to generate packets of the electrical stimulation parameters; electrical stimulation output channels, connected with the energy storage module for receiving electrical stimulation parameters packets and parsing out electrical stimulation parameters from packets of the electrical stimulation parameters; the electrical energy stored in the energy storage module is converted to electrical stimulation pulses corresponding to the electrical stimulation parameters; and the electrical stimulation pulses are acted on patients' disease parts. The flexibility and freedom of the electrical stimulation pulses are enhanced by the electrical stimulation system of the application, and it will be helpful for users to choose a personalized type of the electrical stimulation pulses according to their actual situation. B: A functional electrical stimulation device for relieving preoperative and prenatal anxiety. The device comprises a headset, an electrical stimulation patch (6), an LED display (7), a circuit board (5), a rechargeable battery (2) and a wireless terminal (15), wherein two earphone bodies (1) are symmetrically arranged on the headset; the circuit board (5) and the rechargeable battery (2) are respectively mounted on the two earphone bodies (1), and a music control button (3) and an electrical stimulation mode and time control button (4) are further respectively installed on the two earphone bodies (1); there are two electrical stimulation patches (6), which are installed in a middle portion of the headset, and there are two LED display screens (7), which are respectively installed on the two electrical stimulation patches (6); and the circuit board (5) is provided with an audio decoding chip (8), a button control module (9), a power source switch (10), an electrical stimulation generation module (11), a wireless communication module (12), and a charging socket (13), and the wireless terminal (15) is independently arranged and is in wireless communication connection with the circuit board (5). By means of the cooperation of the functional electrical stimulation device, the patient's anxiety symptoms can be relieved physiologically and psychologically. C: The present invention discloses a smart pelvic floor muscle rehabilitation training device. Electromyographic signals of the pelvic floor muscle are acquired by EMG electrodes and transmitted through signal wires to an electromyographic amplifying circuit, the electromyographic amplifying circuit being connected with a master control MCU through an AD sampling circuit. The master control MCU communicates with a smart mobile terminal for displaying sampling results and sending stimulation instructions through a wireless communication module, receives instructions from the smart mobile terminal through the wireless communication module, and controls an electrical stimulation circuit to generate stimulating pulse currents. The electrical stimulation circuit is connected with STIM electrodes through signal wires to form neuromuscular electrical stimulation to pelvic floor muscles. The present invention also discloses a pelvic floor muscle rehabilitation training method using the device. The device of the present invention has small volume and low cost, and utilizes the data processing function and display function of the smart mobile terminal to carry out pelvic floor electromyographic biofeedback training and neuromuscular electrical stimulation so as to facilitate the patient to carry out pelvic floor muscle rehabilitation training at home. D: Provided is a cell culture device with a micro-current stimulation function. The cell culture device comprises a box body, an upper guide rail, an upper magnetic block, an upper sliding block, a lower guide rail, a lower magnetic block, a lower sliding block and an object stage. The box body is a medical-grade polymer box body or a stainless steel box body; the box body comprises an incubator and a control box; the incubator and the control box are arranged side by side; the upper guide rail, the upper magnetic block, the upper sliding block, the lower guide rail, the lower magnetic block, the lower sliding block and the object stage are all arranged in the incubator; the object stage is located at a middle position between the upper guide rail and the lower guide rail; the object stage is horizontally arranged; the upper sliding block is slidably arranged on the upper guide rail, and the upper magnetic block is arranged on a lower surface of the upper sliding block; the lower sliding block is slidably arranged on the lower guide rail, and the lower magnetic block is arranged on an upper surface of the lower sliding block; and the upper magnetic block and the lower magnetic block have opposite magnetic poles. By performing electrical stimulation during the processes for culturing various cells, such as tendons, ligaments, nerves, blood vessels, skin, muscles and digestive tract cells, the proliferation, differentiation and growth of nerve cells can be especially promoted, and the beneficial effect of promoting nerve repair and regeneration is achieved.

D

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed is a cleaning agent for removing grease stains on a metal surface, consisting of the following components in parts by weight: 20-30 parts of a saponin extract; 10-20 parts of sodium metasilicate; 5-20 parts of sodium phosphate; 20-35 parts of oleic acid; 20-40 parts of triethanolamine; 5-15 parts of polyoxyethylene fatty acid; 5-10 parts of a sucrose fatty acid ester; 5-15 parts of sodium lauryl sulfate; 10-15 parts of acetone; 10-15 parts of methyl cellulose; 5-10 parts of a banana peel extract; 5-10 parts of polyetherimide; 5-10 parts of an active black phosphorene powder; 5-10 parts of carbon nanotubes; 0.5-2 parts of a defoaming agent; and 70-90 parts of deionized water. A: A cleaning and antirust agent, a metal workpiece, and an antirust treatment method therefor. The cleaning and antirust agent comprises the following components in parts by weights (based on 500 parts): 2 parts to 12 parts of anhydrous sodium metasilicate, 3 parts to 10 parts of sodium nitrite, 1 part to 5 parts of n-methyldiethanolamine, 0.1 part to 0.5 parts of alcohol ethoxylate, 2 parts to 10 parts of sodium tripolyphosphate, 3 parts to 15 parts of polyethylene glycol, 0.1 part to 0.5 parts of sodium dodecyl benzene sulfonate, 0.1 part to 0.5 parts of sulfonated castor oil, and the balance water. The cleaning and antirust agent can quickly remove oil from the workpiece and can form a dense polar protective film on a metal surface. The cleaning and antirust agent also has anti-mildew and anti-corrosion properties, can be widely used in anti-corrosion treatment of surfaces in the fine processing of a variety of molds, instruments and parts, can also be used for carrying out antirust treatment between processes before coating, and can maintain the original color of the metal. B: A dye formulation that will not easily fade consisting of the following components in parts by weight: 20-40 parts of a natural plant dye; 2-5 parts of sodium aliphatic alcohol sulfate; 5-10 parts of polyvinyl alcohol; 3-6 parts of sodium propionate; 5-8 parts of methyl acrylate; 1-3 parts of an acryl resin; 3-6 parts of glacial acetic acid; 2-5 parts of a fluorescer; 5-10 parts of an inorganic antibacterial agent; 0.5-2 parts of a negative ion anti-static agent; and 50-70 parts of deionized water. The dye formulation is filled with an acrylic resin, so that the dyed fabric will not easily fade, and the dye formulation contains a fluorescent agent, so that the fabric is fluorescent in a dark environment, and has a good visual effect. C: The present invention relates to a shaving cream usable for facial cleansing, the shaving cream usable for facial cleansing consisting of the following components in parts by weight: 10-20 parts of sodium lauroyl glutamate, 10-20 parts of sodium cocoyl glycinate, 4-15 parts of stearic acid, 4-15 parts of coconut oil fatty acid, 2-10 parts of glycerol, 10-20 parts of lauryl hydroxysultaine, 5-10 parts of hydroxyethyl cellulose, 2-10 parts of hyaluronic acid, 2-10 parts of propylene glycol, 10-25 parts of an aloe extract, 5-10 parts of menthol, 1-5 parts of a preservative, and 30-60 parts of deionized water. The shaving cream usable for facial cleaning of the present invention unifies a plurality of functions, namely, cleansing, moisturizing, inflammation elimination, and soothing, and has the advantages of being easy to use and being capable of reducing living costs. D: An underfloor heating pipeline cleaning liquid. The cleaning liquid is prepared by mixing the following components in parts by weight: 5-8 parts of hydroxypropyl guar gum, 1-5 parts of antibacterial cellulose, 2-3 parts of soybean lecithin, 7-10 parts of sodium lignosulfonate, 5-17 parts of glycolic acid, 5-10 parts of emulsifier, 3-6 parts of active agent, 8-18 parts of urotropine, 9-15 parts of sodium alkyl sulfate, 2-5 parts of sodium citrate, 10-20 parts of organic acid, 14-17 parts of polymaleic acid, 2-5 parts of lauryl polyoxyethylene ether, 8-15 parts of hydroxyethylidene diphosphonic acid, 1-2 parts of auxiliary agent, 1-5 parts of protease, and 50-100 parts of water. Also disclosed is a method for preparing the underfloor heating pipeline cleaning liquid.

A

Please select the most similar patent number from A, B, C and D. Which number is? An energy-saving and environment-friendly pickling device and a strip treatment system using the energy-saving and environment-friendly pickling device. The pickling device comprises a pickling tank (102); at least one end of the pickling tank (102) is a liquid isolation end (103), the liquid isolation end (103) is provided with a bearing dam (1031) and a liquid blocking dam (1032), the bearing dam (1031) extends upwards from the tank bottom, the liquid blocking dam (1032) extends downwards from the tank top, the bearing dam (1031) and the liquid blocking dam (1032) respectively extend to a position near a strip moving channel, and the strip can pass through a gap between the two dams; or, the gap between the bearing dam (1031) and the liquid blocking dam (1032) is smaller than the thickness of the strip, and the bearing dam (1031) and/or the liquid blocking dam (1032) are/is elastic dams. By providing the liquid isolation end composed of the bearing dam (1031) and the liquid blocking dam (1032), high-speed jet flow does not need to be used for performing liquid sealing on acid liquid at the two ends of the pickling tank (102) any more, a large amount of acid fog cannot be generated, and acid consumption and the cost of subsequent acid fog treatment are reduced. A: A suitcase. A first connecting strip (401) extending toward an top suitcase (102) is provided on the inner wall of a bottom suitcase (301) of a suitcase body (101), and the bottom of the top suitcase (102) is provided with a second connecting strip matched with the first connecting strip (401); the second connecting strip comprises a first connection portion (1031) and a second connection portion (1032), and an inversed L shape is enclosed by the first connection portion (1031) and the second connection portion (1032); one side of the first connecting strip (401) is abutted against the first connection portion (1031), and the top of the first connecting strip (401) is abutted against the first connection portion (1031); a filling space is enclosed by the first connection portion (1031), the first connecting strip (401), and the top of the bottom suitcase (301), a wrapping strip (103) is filled in the filling space, and the wrapping strip (103) is sewed by means of a silk thread. Therefore, a suitcase that sliding and placing are stable and use and transportation costs are low is provided. B: An electronic speed controller assembly comprises a first electronic speed controller (101) for driving a first motor (202), a second electronic speed controller (102) for driving a second motor (203), and a radiator assembly (103) provided between the first electronic speed controller (101) and the second electronic speed controller (102). The first motor (202) and the second motor (203) are used to respectively drive an upper propeller (2011) and a lower propeller (2012) to generate lifting forces. The first electronic speed controller (101) and the second electronic speed controller (102) are arranged in an inverted manner. The radiator assembly (103) comprises a radiator main body (1031), a heat-conducting metallic member (1032), and a heat dissipation pipe (1033). The heat-conducting metallic member (1032) and the heat dissipation pipe (1033) are mutually connected and provided at the radiator main body (1031). The first electronic speed controller (101) and the second electronic speed controller (102) are respectively in contact with the heat-conducting metallic member (1032) to transfer generated heat to the heat-conducting metallic member (1032), thereby solving problems in which prior art electronic speed controllers have<u/>poor heat dissipation performance, low maintainability and excessively large sizes. Also disclosed are a power system and an unmanned aerial vehicle. C: An impeller type paper money temporary storage mechanism comprises a transmission component (101), an impeller component (102), a temporary storage area (103) and a roller component (104). The transmission component (101) is used for conveying paper money to the impeller component (102), and comprises an upper belt transmission mechanism (1011) and a lower belt transmission mechanism (1012); the upper belt transmission mechanism (1011) and the lower belt transmission mechanism (1012) construct a transmission channel; the temporary storage area (103) comprises a baffle plate (1031) and a temporary storage channel (1032); the baffle plate (1031) is connected with the temporary storage channel (1032), is arranged between the temporary storage channel (1032) and the impeller component (102), and is used for intercepting paper money from a transfer channel in the temporary storage channel (1032). With upper and lower belt transmission channels additionally arranged, the matching relation between the conventional paper money channel and an impeller is improved, the collision between paper money and the impeller can be reduced, the probability of money sticking and money flying is further lowered, and the accuracy and the efficiency of paper money stacking are increased. A paper money processing device and an automatic teller machine including the impeller type paper money temporary storage mechanism are also disclosed. D: Provided is a strip-steel mixed-acid pickling system, comprising a multi-stage rinsing and scrubbing tank (3), a plurality of mixed-acid pickling tanks (1, 2), and a hot air dryer (17) used for drying the strip steel after cleaning; each of the mixed-acid pickling tanks (1, 2) and the plurality of rinsing and scrubbing tanks (3) in the multi-stage rinsing and scrubbing tank (3) are arranged in sequence along the direction of conveyance of the strip steel; the mixed-acid pickling tank (2) located at the end of each of the mixed-acid pickling tanks (1, 2) is docked with the rinsing and scrubbing tank (3) at the first position of the multi-stage rinsing and scrubbing tank (3); the hot air dryer (17) is arranged on the side of the rinsing and scrubbing tank (3) at the end of the multi-stage rinsing and scrubbing tank (3) away from the mixed-acid pickling tank (1, 2). The strip-steel mixed-acid pickling system uses a multi-stage rinsing and scrubbing tank (3) and a plurality of mixed-acid pickling tanks (1, 2) to treat strip steel, to obtain clean strip steel, which is then dried by means of a hot air dryer (17), such that the strip steel can be applied to the subsequent process more quickly, improving operating efficiency.

D

Please select the most similar patent number from A, B, C and D. Which number is? A preparation apparatus for preparing an aqueous solution including a chlorine dioxide gas. The aqueous solution comprises magnetized water and the chlorine dioxide gas. The preparation apparatus comprises an electrolyte device (1) used to produce the chlorine dioxide gas; a magnetizing device (3) used to magnetize water to form the magnetized water; and a mixing device (2) used to mix the chlorine dioxide gas and one of the water and the magnetized water. The preparation apparatus can prepare the aqueous solution including the chlorine dioxide gas and having favorable sterilization and storage durations. A: The present invention relates to a method for catalytically oxidizing hydrogen chloride to prepare chlorine gas, and specifically relates to the method: chlorine gas is prepared by means of single injection of hydrogen chloride and multi-stage injection of oxygen, and/or single injection of oxygen and multi-stage injection of hydrogen chloride, the product gas stream being returned without being separated, and optional means of insulation. The present invention does not cause the heat of reaction to be excessively concentrated, and therefore is a commercially viable method for Deacon catalytic oxidation of hydrogen chloride to recover chlorine gas. B: Provided is a method for preparing high-purity chlorine dioxide using a combination of methyl alcohol and hydrogen peroxide as a reducing agent. The method comprises: injecting concentrated sulfuric acid and sodium chlorate solution into a generator to form a reaction mother solution, making the reaction mother solution maintain an acidity of 5.8-6.2N, a sodium chlorate content of 234-266 g/L and a temperature of 69-73℃; then adding a reducing agent from the combination of methyl alcohol and hydrogen peroxide for reaction to generate chlorine dioxide gas and by-product neutral mirabilite; and cooling the chlorine dioxide gas generated by reaction and then absorbing same with chilled water of 4-10℃ to obtain a chlorine dioxide aqueous solution, and at the same time, filtering, washing and recycling the by-product neutral mirabilite. Compared with only using methyl alcohol as a reducing agent, the method can reduce the chlorine gas content in chlorine dioxide by 60-70%, and can reduce the sulfuric acid consumption by 14-20%; besides, the generated by-product is neutral mirabilite, needing no neutralization treatment for acidic mirabilite. C: An externally used solution containing chlorine dioxide for promoting hair growth is composed of chlorine dioxide or its precursor, pH regulator, medical solvent and plant extract according to certain weight ratio. The product may take the forms of a single solution containing chlorine dioxide or several solutions comprising chlorine dioxide precursor. The safety and efficient oxidation sterilization and tissue regeneration ability of chlorine dioxide are introduced into the solution system for promoting hair growth, and the steps of removing hair loss factors, stimulating the growth of hair follicles, anti-inflammatory and anti-dandruff are done synchronously. Complemented Medical solvent and plant extracts, change alopecia environment. D: A gas-liquid mixing device, comprising a housing (1), an air bubble generator (3) provided therein, and a magnet (2) provided between the air bubble generator (3) and the housing (1). The magnet (2) covering of the air bubble generator (3) magnetizes a water body, thus changing a molecular structure of the water body. Magnetization and mixing are simultaneously carried out, thus improving a gas dissolution rate.

D

Please select the most similar patent number from A, B, C and D. Which number is? The present application relates to a medical device. The medical device comprises a matrix and a first coating coated on the matrix. The matrix contains a metal element X having a content of ≥ 5 wt%; the first coating is at least one of an elemental metal layer of the metal element X, an alloy layer of the metal element X, and a metal-ceramic layer of the metal element X; and the first coating does not contain nickel and cobalt. The medical device has good use safety, reliability, and biocompatibility, so that a product can meet a use requirement of large plastic deformation, and has good reliability during use. The medical device can particularly meet requirements of products with large plastic deformation during use, such as medical implant devices. A: The present application relates to a Prussian blue analogue having a core-shell structure, comprising a core and a cladding layer covering the core, wherein the chemical formula of the core is the following formula 1, Na x P[R(CN) 6 ] δ ·zH 2 O Formula 1, wherein P and R are each independently selected from at least one of transition metal elements, and 0<x≤2, 0<δ≤1 and 0≤z≤10, the chemical formula of the cladding layer is the following formula 2, A y L[M(CN) 6 ] α ·wH 2 O Formula 2, wherein A is an alkali metal element or an alkali-earth metal element other than sodium, L and M are each independently selected from at least one of transition metal elements, 0<y≤2, 0<α≤1 and 0≤w≤10. The Prussian blue analogue of the present application has a good storage stability, thereby greatly reducing the manufacturing cost of the subsequent cell level. The present application further relates to a method for preparing a Prussian blue analogue having a core-shell structure, a sodium-ion secondary battery comprising the Prussian blue analogue, a battery module, a battery pack, and an electrical device. B: Disclosed is a medical instrument coating, being coated on the surface of a nickel-titanium alloy component of a medical instrument. The medical instrument coating comprises an elementary copper phase, an amorphous titanium-containing substance and a transition layer comprising a copper-nickel intermetallic phase. Also mentioned is a preparation method for the medical instrument coating. A medical instrument comprising a copper-titanium coating has good blood compatibility, and simultaneously can inhibit the endothelialization of the medical instrument surface, improving the recovery rate of the medical instrument and prolonging the recovery time window; the copper-titanium coating belongs to the group of metal composite coatings, has a certain toughness and ductility, and avoids the large-amplitude deformation process of the medical instrument damaging the coating; and the mechanical property and the coating quality of the medical instrument comprising a fine nickel-titanium alloy component are guaranteed by means of the a method for preparing the coating. C: The examples of the present application provide a lithium metal strip, a lithium pre-replenishing electrode plate, a lithium pre-replenishing method, a secondary battery, a preparation method for the secondary battery and a device. The lithium metal strip provided in the present application comprises a lithium substrate and a metal element doped in the substrate. The metal element comprises at least two of magnesium, boron, aluminium, silicon, indium, zinc, silver, calcium, manganese and sodium. The strength σ, the width w and the thickness h of the lithium metal strip satisfy σ 2 - (w/105h) 2 > 0. In the present application, the strength of the lithium metal strip is adjusted by adding a metal element; at the same time, the adjusted strength of the lithium metal strip matches with the width and thickness thereof, thereby ensuring that during the process of rolling the lithium metal strip into a reasonable degree of thinness, the phenomenon of edge-cracking of the lithium strip is avoided, thus saving lithium metal resources and production costs, and also enabling the electrode plate to obtain a uniform lithium pre-replenishing effect. D: Disclosed are a highly plastic zirconium-based bulk amorphous alloy with no beryllium or nickel, and a method for preparing same. The alloy has the components in atom percent as follows: Zr: 38-50％, Hf: 2-15％, Cu: 20-30％, Fe: 5-10％, Al: 10-15％, Co: 0-5％, Ag: 0-5％, and Nb: 0-5％; and the alloy is prepared by arc melting/copper mold suction casting. The amorphous alloy contains no metal elements such as Be and Ni, thus improving the biocompatibility of the Zr-based alloy; the alloy has a high amorphous forming ability, which allows a Zr-based bulk amorphous alloy with a critical size of no less than 5mm to be prepared by a copper mold suction casting method; the alloy has a high hardness, the Vickers hardness thereof always being more than 540Hv; the alloy has a plastic deformation ability of more than 3%; and the alloy has a wide super-cooled liquid region range, the maximum being 92K. The alloy has a wide application prospect in the field of complex and precise medical devices and parts, artificial joints and bones and other biomedical materials.

B

Please select the most similar patent number from A, B, C and D. Which number is? The invention discloses a process for processing a polyester functional fiber which is obtained by blending a functional powder with a polyester chip, and making the polyester functional fiber by a conventional spinning process. The preparation process of the functional powder is: 10-30 parts of nano zinc oxide, 5-10 parts of titanium pigment, 3-4 parts of amino silicone oil, 5-10 parts of polyether modified silicone oil, 0.1-0.3 parts of silane coupling agent and 1-2 parts of surfactant are mixed uniformly and reacted for 3-5 hours at 50-60 DEG C. After cooling, filtering, washing and drying, the functional powder can be obtained. Keeping stirring in the course of the reaction, and the above parts are mass parts. The ratio of the functional powder and the polyester chip is: on the basis of the quality of polyester functional fiber, the functional powder accounts for 10-15%. The antibacterial function of the polyester fiber made by this process can last longer. A: Provided are an insulating coating and a processing technology therefor, which solve the problem of the short service life of existing coatings. In the present insulating coating and the processing technology therefor, the insulating coating comprises the following materials in parts by mass: 90-110 parts of a powdered solid organosilicon resin, 75-150 parts of a combined solvent, 8-12 parts of a thermoplastic elastomer, 3-10 parts of a fluoro-surfactant, 50-80 parts of a superfine mica powder, 2-9 parts of nano silicon dioxide, and 3-8 parts of a hydrocarbon-based silicone oil, wherein the combined solvent is used to dissolve the powdered solid organosilicon resin; and the technology comprises the following steps: A. preparing the combined solvent; B. adding the nano silicon dioxide; C. adding the powdered solid organosilicon resin; D. adding the thermoplastic elastomer; E. adding the fluoro-surfactant; F. adding the hydrocarbon-based silicone oil; and G. adding the superfine mica powder. The present insulating coating and the processing technology therefor have a long service life. B: Disclosed are an addition-type silicone rubber having high adhesive strength and a preparation method therefor. On the basis of parts by weight, the addition-type silicone rubber is prepared from raw materials comprising the following components: 100 parts of a terminal vinyl silicone oil, 20-40 parts of a fumed silica, 10-40 parts of a methoxy-modified vinyl silicone oil, 5-20 parts of an epoxy-modified hydrogen-containing silicone oil, 1-5 parts of a silane coupling agent, and 0.01-0.1 parts of an inhibitor. On the basis of the mass of platinum, the preparation raw materials of the addition-type silicone rubber further comprise 10-30 ppm of a platinum catalyst. The methoxy-modified vinyl silicone oil is prepared by a silicon-hydrogen addition reaction of a polyvinyl silicone oil and a trimethoxysilane, the epoxy-modified hydrogen-containing silicone oil is prepared by a silicon-hydrogen addition reaction of a pendant hydrogen-containing silicone oil and allyl glycidyl ether, and the silane coupling agent comprises N,N-dimethyl-3-aminopropyltrimethoxysilane. The addition-type silicone rubber has high adhesive strength to various substrates. C: Disclosed are a high-efficiency protective composite board and a preparation method therefor, an application and an application method therefor. Raw materials of the composite board comprise a fiber and a thermosetting powder coating; the weight ratio of the fiber to the thermosetting powder coating is 20-80 parts to 80-20 parts; the thermosetting powder coating is uniformly cross-linked and cured on the fiber; the thermosetting powder coating is an acrylic powder coating or a super weather-resistant polyester powder coating. In the present invention, in addition to the inherent advantages of the thermosetting powder coating, the composite board has excellent properties such as ultraviolet resistance, aging resistance, impact resistance, flexibility, fire resistance and the like; the composite board is stable in storage property, convenient to store and transport, and low in manufacturing costs; moreover, the composite board also realizes lightweight and flexibility and has attractive and light-transmitting decoration properties, and is suitable for serving as a photovoltaic packaging material, a building material, and a vehicle exterior decoration material. D: The present invention relates to an easily-dyed porous modified polyester fiber and preparation method therefor. The easily-dyed porous modified polyester fiber is prepared from a modified polyester melt by adopting a porous spinneret plate by means of an FDY process. The preparation method for modified polyester comprises: uniformly mixing terephthalic acid, glycol, dihydric alcohol having a silicon-containing main chain, 2,2,3,4,5,5-hexamethyl-3,4-hexanediol, and a metal oxide doped and modified Sb2O3 powder, and sequentially performing an esterification reaction and a condensation polymerization reaction. The dihydric alcohol having the silicon-containing main chain is dimethylsilyl diol, dimethyl diphenyl disiloxane diol, or tetramethyldisiloxane diol, and the structural formula of 2,2,3,4,5,5-hexamethyl-3,4-hexanediol is as shown in formula (I). The dye-uptake and K/S value of the prepared easily-dyed porous modified polyester fiber are high. The method in the present invention is simple in process, and the finally prepared modified polyester fiber is good in dyeing performance and good in quality.

D

Please select the most similar patent number from A, B, C and D. Which number is? A textile dust removal device for a textile fabric comprises a dust removal box (1); a feeding port (2) and a discharging port (3) are respectively provided on the sidewalls of the two ends of the dust removal box; a textile fabric (4) sequentially passes through the feeding port and the discharging port; a driving motor (6) is fixedly connected to an upper end of the dust removal box by means of a fixing plate (5); an output shaft of the driving motor penetrates into the dust removal box. By providing a dust raising mechanism, a first driving mechanism, a dust suction mechanism, a fixing mechanism, a negative pressure mechanism, a pushing mechanism, and a dust collection mechanism, dust on the textile fabric is raised by an ion fan (11), and then the raised dust is sucked away by means of negative pressure air generated by the negative pressure mechanism, so that the textile dust removal device is good in textile fabric dust removal effect and high in dust removal efficiency for the dust adhered to the textile fabric; meanwhile, the removed dust can be collected in a dust collection box (23) and cannot be randomly discharged into air, so that air pollution is avoided, and the textile dust removal device is environmentally friendly. A: A loom having a dust absorption function, comprising a worktable (21) for processing a textile fabric (5), a base (1), a mounting frame (2), a dust collection box (4), a scraper (6), a telescopic device (7), textile racks (9), first mounting plates (11), a sponge (13), a second mounting plate (14), a fan (16), an air inlet main pipe (17), a dust collection cover (18), a communicating pipe (19), and air inlet branch pipes (20). Both the worktable (21) and the textile racks (9) are connected to the base (1). The second mounting plate (14) is connected to the side end surface of the worktable (21). The second mounting plate (14) is provided with a fixing plate (15). Both ends of the fan (16) are respectively connected to the fixing plate (15) and the air inlet main pipe (17). A plurality of rubber blocks (10) are respectively provided on the end surfaces, close to each other, of the two textile racks (9). The end surfaces, distant from each other, of the two first mounting plates (11) are respectively connected to the plurality of rubber blocks (10). The end surfaces, close to each other, of the two first mounting plates (11) are respectively connected to the sponge (13). The telescopic device (7) is connected to a textile rack (9). The scraper (6) is disposed on the telescopic device (7). The dust collection box (4) is placed on the mounting frame (2). The mounting frame (2) is provided with a positioning device for fixing the dust collection box (4). By cleaning the introducing textile fabric (5) in advance, the processing quality and the cleaning effect of the textile fabric (5) are improved. B: An embroidery machine for spinning and weaving. The embroidery machine comprises a housing (1). A transverse plate (2) provided along the horizontal direction is fixedly connected to the inner wall of the housing (1); a sliding groove (3) is formed on the side wall of the transverse plate (2); a sliding block (5) is slidably connected to the interior of the sliding groove (3); a threaded rod (4) is provided on the side wall of the transverse plate (2) in a penetrating manner; one end, located in the sliding groove (3), of the threaded rod (4) is rotatably connected onto the inner wall of the sliding groove (3); the sliding block (5) is threadedly connected to the threaded rod (4); a driving motor is fixedly connected to the side wall of the housing (1); one end, located in the housing (1), of an output shaft of the driving motor is coaxially and fixedly connected to a first gear (7); a deflection rod (11) is rotatably connected to the side wall of the sliding block (5). The embroidery machine can be used in different cloths. Moreover, an arc-shaped block (21) works in conjunction to a connecting rod (22), so that a push rod (30) moves to and fro so as to drive a piston (28) to move to and fro, and the piston (28) moves to and fro to enable a dust suction nozzle (19) to be in negative pressure so as to suck dust generated in an embroidery process, thereby reducing dust pollution in the embroidery process. C: The present invention specifically relates to the technical field of waste gas treatment. Disclosed is a waste gas separation and dust removal apparatus, comprising a rack. A dust removal cylinder is provided at the upper portion of the inner side of the rack; a filtering cylinder is detachably connected to the middle portion of the bottom end of the dust removal cylinder; a dust removal mechanism is provided in the dust removal cylinder; the dust removal mechanism comprises a guide column; the upper end of the guide column and the middle portion of the upper end of the rack are fixedly mounted; a plurality of grooves are formed in the outer side of the guide column; and each groove comprises a lower portion. By arranging the dust removal cylinder, the filtering cylinder, the dust removal mechanism, an inner column, a dust scraping mechanism, a motor, a spur gear, an exhaust fan, a gas inlet pipe, a water tank, and a circulating pump, the present invention introduces industrial waste gas into the dust removal cylinder to form a large amount of bubbles, and then crushes the bubbles and mixes the bubbles with water, so that the industrial waste gas is fully mixed with the water, and thus achieving the goal of dust removal, and the removal is thorough; moreover, scraping dust on the inner wall of the filtering cylinder by means of scraping blades ensures the filtering speed and the filtering effect. D: A safety protective textile material flushing device for textile, comprising a flushing box (1); a driving motor (2) is fixedly mounted on a side wall of the flushing box (1) by means of a mounting frame (3); an output shaft of the driving motor (2) is inserted into the interior of the flushing box (1); a first material receiving roller (4) and a second material receiving roller (24) are symmetrically connected between the opposite inner walls of the flushing box (1) in a rotatable manner; a textile material to be flushed is wound between the first material receiving roller (4) and the second material receiving roller (24); and a first driving mechanism for driving the second material receiving roller (24) to rotate is mounted on the second material receiving roller (24). By providing the first driving mechanism, a brushing mechanism, a spraying mechanism, a water pumping mechanism, a second driving mechanism, and a third driving mechanism, both the process of flushing and the process of drying and storage can be performed on textile fabrics in a small space, without requiring much labor and production cost, nor a large production space, avoiding secondary pollution of textile materials caused by air-drying of textile materials.

A

Please select the most similar patent number from A, B, C and D. Which number is? A warping device of a double-layer type, comprising a rack (1) which is horizontally provided at the middle portion of the rack with a partition plate (11), a passage (12) being provided at one side of the partition plate (11), the partition plate (11) separating the rack (1) into an upper layer and a lower layer, the upper layer being provided with a yarn unwinding component (2), a first rotary roller (24) and a yarn collecting beam (3), a tensioning component (4), which is provided between the passages (12), being provided at one side of the yarn collecting beam (3); the lower layer being provided with a first yarn separating frame (13), a second yarn separating frame (14), a yarn guiding component (5), a third yarn separating frame (15) and a warping component (6). The yarn unwinding component can move into or move out of the rack under the effect of a chute, facilitating a worker to change a yarn package to be processed, improving work efficiency. A: Disclosed is a dust removal device for yarn dyeing and finishing, the device comprising a frame. A dust removal device is arranged inside the frame; a yarn inlet is arranged on one side of the frame, and a yarn outlet is arranged on the other side of the frame; a first yarn guide device is arranged on the side in the frame close to the yarn inlet, a first yarn guide roller is sleeved on the outer side of the first yarn guide device, and a first yarn-pressing rotating wheel is installed above the first yarn guide roller; and a second yarn guide device is arranged on the side in the frame close to the yarn outlet. Yarn is brought into the dust removal device by means of the first yarn guide device; a driving electric motor is started, and a yarn rolling wheel rotates to rub the yarn, such that dust on the yarn is beaten out of same and collected in a dust collection box; the yarn is blown up by means of an air blower, and the dust is collected in a dust collection plate; and the treated yarn is then taken out by means of the second yarn guide device, thereby achieving automated dust removal treatment of the yarn, improving the quality of the yarn, and reducing manual operation. B: A continuous UD non-woven cloth production line comprises: a yarn frame (1) disposed at a forefront, a fiber dividing frame (2) disposed at a rear end of the yarn frame (1), and a frame (3) disposed at a rear end of the fiber dividing frame (2). A front end of the frame (3) is provided with a first tensioner (4) and a second tensioner (5). A reed (6) is disposed between the first tensioner (4) and the second tensioner (5) and on the frame (3). A front traction apparatus (7) is disposed at a rear end of the second tensioner (5) and on the frame (3). A fiber placement roller apparatus (8) is disposed at a rear end of the front traction apparatus (7) and on the frame (3). A gluing roller apparatus (9) is disposed at a rear end of the fiber placement roller apparatus (8) and on the frame (3). A coating placement roller mounting frame (10) and a composite material guiding roller (11) are disposed at a rear end of the gluing roller apparatus (9) and on the frame (3). A coating placement roller (12) is disposed at an upper end of the coating placement roller mounting frame (10). C: A novel sand making machine, comprising a machine frame (4). The machine frame comprises an upper machine frame (42) and a lower machine frame (41). The upper machine frame is provided with an upper screen tray device (6). The left and right sides of the upper machine frame are both provided with a first roller assembly (1). The bottom of the upper screen tray device is provided with several water distributors (5). The lower machine frame is provided with a lower screen tray device (7). The left and right sides of the lower machine frame are both provided with a second roller assembly (3). The sand making machine has a simple structure, a reasonable design, a small floor area, and a low manufacturing cost. D: A flat yarn warping machine comprises a stander (110) having a compression roller adjusting mechanism for adjusting both the position and the pressure of a compression roller (10), the flat yarn warping machine further comprises a group of edge yarn devices (24) arranged on the stander (110), and the edge yarn devices (24) are positioned above a warp beam flange (25) and above the end part of the compression roller (10). The edge yarn devices (24) comprise a mounting shaft (2441) fixed on the stander (110). An edge thread roller (2448) is provided on the mounting shaft (2441) positioned at one side of the stander (110). A roller mounting plate (2447) is provided on the mounting shaft (2441) positioned at one side of the edge thread roller (2448). A sliding shaft (2446) is provided on the roller mounting plate (2447). The other end of the sliding shaft (2446) is fixedly provided with a baffle plate (2443). A threaded shaft (2444) is arranged between the baffle plate (2443) and the roller mounting plate (2447). A sliding seat (2445) for guiding a flat yarn is arranged on the threaded shaft (2444), and the slide seat (2445) is also sleeved on the slide shaft (2446). An adjusting hand wheel (2442) is provided on the end part of the threaded shaft (2444). The flat yarn warping machine can keep the flat yarn from falling into the gap between the end part of the compression roller (10) and the warp beam flange (25), and thereby solving the problem of less uniformity of the warp beam flange surface.

D

Please select the most similar patent number from A, B, C and D. Which number is? A rapier loom, comprising a frame (1). The frame (1) is provided with a cross beam (2), one side of the frame (1) is provided with a suction fan (3), the suction fan (3) is provided with a connection tube (4) connected to the cross beam (2), the front end of the connection tube (4) is provided with a plurality of extension tubes (5) extending above a cloth cover, the front ends of the extension tubes (5) are connected to the same one connection tube (6), and the connection tube (6) is provided with a plurality of through holes (7). The rapier loom has the following advantages and effects: when the suction fan (3) and a driving motor (12) are running, fibers and dust floating above the intersections of warps and wefts can be suctioned away, and the fibers and the dust can be blocked by a brush roller (9), thereby ensuring a stable air suction effect of the suction fan (3), greatly reducing floating objects clamped between the warps and the wefts on the cloth cover, and ensuring the quality of cloth. A: Disclosed in the present utility model are a broken yarn detector applied to a rapier loom, comprising a detector body. The detector body is provided with a plurality of parallel yarn passing holes; an opening groove communicated with the yarn passing holes is provided in the upper end of the detector body; a bottom housing is vertically and slidably provided on the opening groove; a fixed plate is provided on one side of the bottom housing facing yarn; a pressure sensor connected to a controller is provided on the relative outer side of the fixed plate; a pressure transmitting plate is provided on the pressure sensor; a through hole is provided in each of the pressure transmitting plate and the fixed plate; a compression spring penetrating through the fixed plate is provided on the pressure transmitting plate; a tensile member is provided at the other end of the compression spring, and yarn penetrates through and abuts against the tensile member. The present utility model has the following advantages and effects: by arranging a temporary broken yarn detection device, temporary broken yarn detection can be carried out when one or more infrared detectors are damaged, thereby ensuring the working efficiency. B: Disclosed is an environmentally clean dust-free bench cutting machine, comprising a shell (1) and a cutting workbench (2) arranged on the shell (1), wherein a saw mouth (3) is provided in the cutting workbench (2), an air suction bin (6) is arranged below the cutting workbench (2), the saw mouth (3) also serves as an air suction bin air inlet, the air suction bin (6) is provided with an air suction bin air outlet (73), the air suction bin air outlet (73) is provided with a horizontal centrifugal separator (7), a separator dust falling opening (71) is provided at the rear end of the horizontal centrifugal separator (7), a first dust-collecting box (81) is arranged at the separator dust falling opening (71), a separator air outlet (72) is arranged at the front end of the horizontal centrifugal separator (7), a filter cylinder (9) is arranged at the separator air outlet (72), and a negative pressure fan (10) is mounted at an air outlet of the filter cylinder (9). According to the cutting machine, dust and gas pre-separation can be achieved on a dust-containing gas flow, thus dust-free cutting can be achieved, and long-term stable operation of the machine can also be ensured; and the machine is small in size and convenient to carry and use. C: A textile machine having an airflow conveyor and a filtering device, comprising an all-metal protective shell (1), an air inlet pipe (4), textile machine unwinding rollers (8) and an airflow conveyor (12); a dust removal filter (2) is mounted on the all-metal protective shell (1), a centrifugal suction fan (3) is mounted above the dust removal filter (2), the air inlet pipe (4) is mounted above the centrifugal suction fan (3), an auxiliary support roller (5) is provided above the air inlet pipe (4), a transverse textile roller (6) is mounted above the auxiliary support roller (5), a textile roller mounting frame (7) is mounted above the transverse textile roller (6), the textile machine unwinding rollers (8) are connected above the textile roller mounting frame (7), a textile roller adjuster (9) is mounted at one side of the textile machine unwinding roller (8) away from the textile roller mounting frame (7), a working platform (10) is mounted below the textile roller adjuster (9), a support roller adjuster (11) is connected below the working platform (10), the airflow conveyor (12) is mounted above the support roller adjuster (11), an operation control box (13) is mounted below the airflow conveyor (12), and a liquid crystal display panel (14) is mounted above the operation control box (13). The textile machine has the following beneficial effects that: the textile rollers can be adjusted to spin different yarns, and the air inside the textile machine can be absorbed and filtered, thus effectively solving the problem of clogging of the textile machine. D: Provided is a fabric adhesive powder suction device, comprising: a machine frame (1), wherein the middle part of the front end of the machine frame (1) is provided with a driving roller (2) for feeding; the middle part of the rear end of the machine frame (1) is provided with a driven roller (3) for discharging; the lower end of the machine frame (1) is provided with several support rollers (4); the driving roller (2), the driven roller (3) and the support rollers (4) are connected by means of a conveying mesh belt (5); a drive device (6) connected to the driving roller (3) is provided at the lower end of the machine frame (1); a front powder suction head (7) and a rear powder suction head (8) are respectively provided, from the front to the back, on the machine frame (1) at an upper end of the conveying mesh belt (5) between the driving roller (2) for feeding and the driven roller (3) for discharging; the front powder suction head (7) and the rear powder suction head (8) are connected by means of a branch powder suction pipe (9) and a main powder suction pipe (10) respectively; the main powder suction pipe (10) is connected to an upper suction ventilator (11); the upper suction ventilator (11) is provided on the machine frame (1); and a main blowing head (12) cooperating with the front powder suction head (7) is provided on the machine frame (1) at the front end of the front powder suction head (7) in an inclined manner. The device has a high degree of automation, reducing the labour intensity of workers, and has a high working efficiency.

C

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed is a forming machine for warp and weft superimposed non-woven composite fabric, comprising a machine frame (1), a warp frame (2), a warp delivery apparatus (3), a rotating-type weft-laying apparatus (4), a sizing apparatus (5), a drying apparatus (6), and a rolling apparatus (7), wherein the weft-laying apparatus (4) comprises a rotating shaft (8), a weft bobbin mounting plate (9) and a yarn insertion tube mounting plate (10) mounted on the rotating shaft (8), and two weft selvage threads (11) respectively provided axially on the two sides of the rotating shaft (8). Weft bobbins (9-1) are mounted on the weft bobbin mounting plate (9), yarn insertion tubes (10-1) are mounted on the yarn insertion tube mounting plate (10), and the weft selvage threads (11) are located on the inside of yarn output ends of the yarn insertion tubes (10-1). The rotation of the rotating shaft (8) is driven by a drive mechanism, and the weft selvage threads (11) move in the transverse direction of the machine frame (1). When the rotating shaft (8) rotates, the weft (9-1-1) is laid between the two weft selvage threads (11) to form a weft layer (9-2). A warp layer (2-2) and the weft layer (9-2) are superimposed and pass successively through the sizing apparatus (5) for sizing and the drying apparatus (6) for drying, to then be rolled by the rolling apparatus (7) into rolled fabric. The forming machine has a high weft-laying speed, can prepare composite fabric of three or four layers superimposed together, has a simple structure, has a high yarn utilization rate, and occupies little floor space. A: A grinding device, comprising a rack (1), rotating mechanism sets (3), fixing assemblies (7), and tool bases (9). Two mounting bases (2) are arranged on the rack (1), and each of the plurality of rotating mechanism sets (3) comprises a first rotating mechanism (4) and a second rotating mechanism (5); the first rotating mechanism (4) and the second rotating mechanism (5) are correspondingly and fixedly installed on the two mounting bases (2), and the first rotating mechanism (4) and the second rotating mechanism (5) are driven by driving mechanisms (6) to rotate; each fixing assembly (7) is fixedly mounted on one of the first rotating mechanism (4) and the second rotating mechanism (5), is driven by one of the first rotating mechanism (4) and the second rotating mechanism (5) to rotate, and is mounted with a grinding piece (8); and each tool base (9) is fixedly mounted on the other one of the first rotating mechanism (4) and the second rotating mechanism (5) and is driven by the other one of the first rotating mechanism (4) and the second rotating mechanism (5) to rotate, and a grinding part (10) for grinding the corresponding grinding piece (8) is provided on each tool base (9). The grinding device can simultaneously grind a plurality of grinding pieces, and has the advantages of high production efficiency and good interchangeability of the grinding pieces. B: Disclosed is a coaxiality detection apparatus used for quickly clamping a product and positioning and detecting coaxiality of the product, and comprising a rotary shaft (1), a positioning apparatus (2), a rotating apparatus (3), a machine frame (4), a cylinder shaft (5), a clamping mechanism (6) used for clamping the cylinder shaft, a product clamping apparatus (7), a clamping sleeve (8), measuring seats (9), and dial indicators (10), wherein a sheathing apparatus (33) on the machine frame (4) is sheathed on the rotary shaft (1) and fixed to the rotary shaft (1) via the positioning apparatus (2); the cylinder shaft (5) is embedded in a hollow cavity (20) of the rotary shaft (1), and passes through the clamping mechanism (6); the product clamping apparatus (7) is also mounted in the hollow cavity (20) of the rotary shaft (1), connected to the cylinder shaft (5), and closely gripped at an open groove (41) of the shaft (5); the clamping sleeve (8) is mounted on an outer surface of a flange of the rotary shaft (1) and clamped with the product clamping apparatus (7); and the two dial indicators (10) on the two measuring seats (9) are respectively perpendicular to and coaxial with a reference centre of the rotary shaft (1). The coaxiality detection apparatus can achieve fast clamping, fast detection and accurate positioning, improving working efficiency. C: Adhesive-free artificial turf comprises a base fabric (1) and grass tufts (2) woven thereon. Each of the grass tufts (2) comprises 2-16 turf fibers. The base fabric (1) comprises warp yarns (11) and weft yarns (10). The warp yarns (11) comprise first warp yarns and second warp yarns separated by a space therebetween. The first warp yarns comprise 1-6 first warp lines (110), and the second warp yarns comprise 4-7 second warp lines (111). Middle portions of the grass tufts (2) are woven and interlaced with the 1-4 weft yarns (10) along an extension direction of the warp yarns (11), and two ends of the grass tufts (2) respectively extend out of the base fabric (1) on the same side. Any two adjacent grass tufts (2) in a row of grass tufts (2) extending along an extension direction of the weft yarns (10) on the base fabric (1) are separated by a space having a width of 3-5 warp yarns (11). Any two adjacent grass tufts (2) in a column of grass tufts (2) extending along the extension direction of the warp yarns (11) on the base fabric (1) are separated by a space having a width of 4-7 weft yarns (10). A space between any two adjacent rows of grass tufts on the base fabric (1) has a width of 1-2 weft yarns (10). The adhesive-free artificial turf has advantages of favorable breathability and drainage, and strong adhesiveness. D: Disclosed is a cylindrical combination machine, comprising: a rack (1), wherein a woollen material loading stage (2) is arranged at a front end of the rack (1); an upper traction sizing press roll (3) and a lower traction sizing press roll (4) fitting with the upper traction sizing press roll (3) are arranged on the rack (1) at a rear end of the woollen material loading stage (2); a vertical adjusting device (5) connected to the upper traction sizing press roll (3) is arranged on the rack (1) at an upper end of the upper traction sizing press roll (3); a front sizing device (6) fitting with the upper traction sizing press roll (3) is arranged on the rack (1) at a front end of the upper traction sizing press roll (3); a rear sizing device (7) fitting with the lower traction sizing press roll (4) is arranged on the rack (1) at a rear end of the lower traction sizing press roll (4); a cylinder (9) is arranged obliquely upwards at a rear end of the rack (1) by means of a support (8); a tapered feeding channel (10) is arranged in the cylinder (9); and a tapered clamping rod (11) is arranged at an upper end of the tapered feeding channel (10) in a penetrating manner.

D

Please select the most similar patent number from A, B, C and D. Which number is? A novel cheese dyeing machine comprises a cylinder body (5), a yarn rack (15), yarn bamboo (16) and a driving motor (26), wherein the yarn rack (15) and the yarn bamboo (16) are arranged in the cylinder body (5); a centrifugal pump (27) and a heat exchange coiled pipe (18) are also arranged in the cylinder body (5); the heat exchange coiled pipe (18) is arranged at a bottom of the cylinder body (5); a shell of the centrifugal pump is divided into two parts, one half of the shell is integrated with a cylinder bottom (3), and the other half of the shell (11) can be separated and jointed with the cylinder bottom (3); the centrifugal pump comprises double suction ports (25a, b) and is provided with an electronic speed-regulating control system for controlling a rotary speed of the centrifugal pump (27); and the heat exchange coiled pipe (18) is fixed below the yarn rack (15) and is externally connected to a water and steam source. A fluid flow control system controls dyeing fluid to flow one-way, and a pressurization and depressurization system, an injection system and a temperature increasing and decreasing system are also arranged. The dyeing machine can be widely used in the dyeing and finishing industry. A: An internal circulation indoor temperature regulation and control system, comprising a fluid storage, heating and refrigerating device and a controller. The fluid storage, heating and refrigerating device comprises a fluid storage container (1), a heater and a refrigerator, the fluid storage container (1) is connected to a water distributor (5) by means of a water outlet pipeline (4), the water distributor (5) is connected to a cold-heat exchange coil pipe (7), the other end of the cold and heat exchange coil pipe (7) is connected to a water collector (8), the water collector (8) is connected to the fluid storage container (1) by means of a water return pipeline (12), a circulating pump (10) is arranged on the water return pipeline (12), and a flow control valve (6) is arranged on the cold-heat exchange coil pipe (7); and the controller comprises a control main machine (3) and a temperature sensor, wherein the control main machine (3) is respectively connected to the temperature sensor, the heater, the refrigerator, the flow control valve (6) and the circulating pump (10). B: Provided is a novel sanitary self-priming pump, comprising a motor (20), a centrifugal pump (18) and a circulating reflux pipeline. The circulating reflux pipeline is formed by a water-sealing bend pipe (7), a water-sealing ball (8), a gas-liquid separation chamber (10) and the like; two ends of the circulating reflux pipeline communicate with a water inlet pipe and a water outlet pipe (16) of the pump; and the circulating reflux pipeline has functions of automatically opening and closing, separating gas and liquid, and sealing water, so that a common sanitary centrifugal pump becomes the novel sanitary self-priming pump with a self-priming function. On the premise that the pump meets the requirement of a sanitary property, the defects of low efficiency and large noise of a traditional self-priming pump are overcome, and the novel sanitary self-priming pump has a performance feature of the centrifugal pump, which can meet different working condition requirements by changing the rotation speed or changing an outer diameter of an impeller. It is simple in manufacturing process, has no quick-wear part, and is reliable to use, stable in performance, high in practicability, high-efficient, energy-saving and noise-reducing. C: An airflow dyeing machine capable of independently supplying air by multiple pipes comprises a main cylinder (1), a lifting roller (2), a connection pipe, two or more fans (3), and a nozzle combination (5) connected to the fans. One end of each fan (3) is connected to an independent air draft pipe, and the other end is connected to the independent nozzle combination (5). The fans (3) are arranged at the top of the main cylinder (1). Outlets of the fans are docked with airflow inlets of the nozzle combination (5). Fans and dyeing pipes are controlled by each independent circuit control system. A first nozzle mouth (19) is formed by a gap of an upper nozzle barrel (12) and a lower nozzle barrel (13) in the nozzle combination (5). A second nozzle mouth (20) is formed by a gap between an interception ring (14) and the tail of the lower nozzle barrel (13). A U-shaped baffle (15) is arranged between the tail of the lower nozzle barrel (13) and the interception ring (14), so that the airflow is centrally jet from lower part of the nozzle mouth. By means of the dyeing machine, the efficiency and the dyeing quality are greatly improved, the power consumption is reduced, and the operation flexibility is increased. D: An electric centrifugal pump comprises a water pump housing (1), a water sealing bearing (2), a water pump impeller (3), an elastic gasket (4), an internal motor housing (5), a bearing seat (6), a rotor front bearing (7), a motor stator (8), a motor rotor (9), a motor rotor shaft (10), a motor rotor back bearing (11), a pilot impeller (12), a pilot impeller cover (13), a water pump drive control panel (14), a controller cover (15), and an external motor housing (16). A water pump water inlet cavity, a shaft through hole of the motor rotor, the pilot impeller (12), a pilot impeller cavity of the pilot impeller, a helical overflow hole (52) of the internal motor housing, a rotor cavity, a helical overflow hole (62) of the bearing seat and the water pump impeller (3) sequentially communicate with one another and form an internal forced cooling system. The electric centrifugal pump of the present invention has a simple structure and reasonable design, and can reduce flow losses of water while enhancing cooling performance of the internal cooling system, thereby better addressing the thermal load problem experienced by an electric centrifugal pump, and improving reliability of the electric centrifugal pump.

C

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed is an apparatus for cleaning a surface of a textile fabric, the apparatus comprising a base (1). Supporting rods (2) are provided on two sides of the top of the base (1), and a top portion of each supporting rod (2) is connected to a roller (4) by means of a bearing (5). A cleaning band (24) is connected between the two rollers (4), and an electric motor (23) is arranged in the middle of the top of the base (1). A surface of the electric motor (23) is connected to each roller (4) by means of a driving belt (14), and pipes (21) are provided on two sides of an inner cavity of the base (1), with one side of the pipes (21) being connected to a U-shaped tube (18). A positive plate (17) and a negative plate (19) are respectively provided at two sides of an inner cavity of each U-shaped tube (18), and a filter screen (26) is provided at a top side of the inner cavity of the U-shaped tube (18). The top of the U-shaped tube (18) at one side is connected to a suction fan (27), and both sides of the top of the base (1) are connected to pillars (3). A fabric feed channel (13) is arranged across an inner cavity of the pillars (3). A gas ejector pipe (7) is provided between the two pillars (3), and a left side of a ventilation pipe (12) is connected to a heating chamber (10). A heater (11) is provided in an inner cavity of the heating chamber (10), and a left side of the heating chamber (10) is connected to a blower (9). The cleaning apparatus has the advantage of being able to remove fluff on the surface of a fabric and solves the problem of a reduced production quality of fabrics. A: A polishing apparatus for mobile phone housing production, comprising a base (1). Partition plates (2) are provided at both sides of an inner cavity of the base (1); both the tops and the bottoms of the partition plates (2) are fixedly connected to the inner wall of the base (1); a first motor (3) is fixedly connected to the bottom of the inner cavity of the base (1); threaded rods (4) are fixedly connected to both sides of an output end of the first motor (3); sides of the two threaded rods (4) facing away from each other are movably connected to the partition plates (2). By providing the base, the partition plates, the first motor, the threaded rods, threaded sleeves, an adjustment plate, adjustment recesses, adjustment wheels, support rods, a placement plate, fixed rods, second air cylinders, clamping plates, dust suction hoods, dust removal boxes, fans, filtering elements, third air cylinders, cleaning brushes, accommodation housings, and blocking plates, the problems of the existing polishing apparatuses for mobile phone housing production that fixing is not stable enough and that the apparatuses have no dust collection function are solved. The polishing apparatus for mobile phone housing production has the advantages of stable fixing and dust collection, and is worthy of promotion. B: Disclosed is a textile dye stirrer capable of uniform stirring, comprising a workbench (1), wherein the top of the workbench (1) is provided with a sliding groove (3), two sides of an inner chamber of the sliding groove (3) are both provided with a sliding rod (19), the top of the sliding rod (19) is provided with a stirring box (5), the top of the workbench (1) is provided with a connecting rod (18), the top of the connecting rod (18) is provided with a bearing plate (10), the bottom of the bearing plate (10) is provided with a stirring motor (9), an output end of the stirring motor (9) is provided with a rotary shaft (6), the top of the rotary shaft (6) passes into the stirring box (5) and extends into the inner chamber of the stirring box (5), two sides of the rotary shaft (6) are both provided with a stirring blade (7), the top of the left side of the stirring box (5) is provided with a feed port (11), and the bottom of the right side of a stirring box (5) is provided with a discharge port (4). C: A rapid carding device for a textile fabric, comprising a machine body (1). The inner wall of the machine body (1) is rotatably connected to two rotating rollers (2). Hollow cavities are arranged in the middles of the two rotating rollers (2). Dust suction holes (20) in communication with the hollow cavities are uniformly arranged on outer walls of the rotating rollers (2). Bristles (3) are uniformly arranged on the surfaces of the rotating rollers (2). A negative pressure device for enabling the dust suction holes (20) to generate negative pressure is mounted on the inner wall of the machine body (1). The machine body (1) is further provided with an ironing mechanism for ironing the textile fabric. The inner wall of the machine body (1) is rotatably connected to a press roller (18). The surface of the fabric is cleaned by the bristles (3) to remove thread residues and debris on the surface of the fabric. A sliding plug (21) reciprocates to keep the negative pressure at the dust suction holes (20) so as to clean the thread residues and debris brushed by the bristles (3). Gas heated by a heating wire (13) sprays out of a gas spray hole (16) by means of a second gas guide tube (14) so as to iron the fabric. The device can adapt to the carding of different fabrics by setting to adjust the distance between an arc-shaped plate (19) and the press roller (18). D: Disclosed is a vacuum pump maintenance device, comprising a base (1), wherein an adjusting base (2) is arranged at the top of the base (1), a frame (3) is fixedly connected to the top of the adjusting base (2), a partition plate (4) is fixedly connected to the bottom of an inner cavity of the base (1), first air cylinders (5) are fixedly connected to two sides of the partition plate (4), moving blocks (6) are fixedly connected, on the sides away from the partition plate (4), to the output ends of the first air cylinders (5), supporting strips (7) are movably connected to the tops of the moving blocks (6), and the ends of the supporting strips (7) away from the moving blocks (6) extend to the top of the base (1) and are movably connected to the adjusting base (2). By means of providing the base (1), the adjusting base (2), the frame (3), the partition plate (4), the first air cylinders (5), the moving blocks (6), the supporting strips (7), a filter housing (8), exhaust fans (9), an opening (10), fixed boxes (11), placement frames (12), first electric motors (13), threaded rods (14), threaded sleeves (15), connecting rods (16), a second air cylinder (17), an apparatus box (18), a second electric motor (19) and a cleaning brush (20), the problem of maintenance being inconvenient to carry out on a vacuum pump is solved, and the vacuum pump maintenance device has the advantage of facilitating the maintenance of a vacuum pump.

C

Please select the most similar patent number from A, B, C and D. Which number is? A fabric surface dust removal apparatus for textile fabric production, the apparatus comprising: a rack (5); a base (8), which is arranged at the bottom of the rack (5); a first guide rod (6) and a second guide rod (3), which are rotationally arranged at two sides in the rack (5); and two tensioning rods (7), which are rotationally arranged at lower side in the rack (5), wherein a separation assembly (1) is arranged at the bottom in the rack (5), and a dust collection assembly (4) is arranged at the top in the rack (5). The separation assembly (1) comprises a bearing box (101) and an ejector rod (106), wherein the bearing box (101) is arranged at the bottom of the rack (5); a crankshaft (102) is rotationally arranged in the bearing box (101); one end of the crankshaft (102) is connected to a driving shaft of a driving electric motor (103); the driving electric motor (103) is arranged on a surface of one side of the bearing box (101); a connecting rod (110) is hinged to the middle of the crankshaft (102); the other end of the connecting rod (110) is hinged to a lug plate (109); the lug plate (109) is arranged at the bottom of a piston cylinder (104); the piston cylinder (104) is connected to a sliding sleeve (108) in a sliding manner; the sliding sleeve (108) is arranged at the bottom in the rack (5); the ejector rod (106) is arranged at the top of the piston cylinder (104); and a push plate (105) is arranged at the top of the ejector rod (106). By means of the fabric surface dust removal apparatus, fabric can be oscillated, thereby facilitating the fast separation of dust from the fabric, and at the same time, dust can be subjected to multi-stage adsorption treatment, such that the dust treatment effect is good, and the practicability is high. A: A dust suction device of a calendering machine, comprising a support base. A top plate is provided above the support base; a plurality of supports are provided between the top plate and the support base; a fixing plate is provided in the middle of the lower end surface of the top plate; connecting frames are hingedly connected to both the front side and the rear side of the fixing plate, and each connecting frame comprises two connecting rods and a fixing frame; the two connecting rods are symmetrically provided at the two sides of the fixing plate, and top ends of the connecting rods are hingedly connected to the fixing plate; each fixing frame comprises a horizontal plate provided at the top of the fixing frame and vertical plates provided at two sides of the bottom of the horizontal plate, and a cleaning roller is rotatably provided between the bottoms of the two vertical plates; a connecting plate is provided between connecting rods at two sides of each connecting frame, a first rectangular hole is formed on the connecting plate, a rotating plate is rotatably provided in the first rectangular hole, and an adjusting lead screw is threadedly connected to front and rear rotating plates. In the present utility model, the distance between two cleaning rollers can be adjusted by rotating the adjusting lead screw, such that the two cleaning rollers can always be maintained in close contact to a fabric, thereby better cleaning dust and debris on the fabric. B: A glue feeding and scraping apparatus for a controllable composite fabric production device, comprising a glue storage box (8) and a glue application roller (2) which is provided on an upper side surface of the glue storage box (8); and a glue scraping assembly (1) is provided on one side of the glue application roller (2), and a cleaning assembly (3) is provided at an inner bottom part of the glue storage box (8). The glue scraping assembly (1) comprises a carrier frame (107) and a transverse frame (108), the transverse frame (108) is provided within the carrier frame (107), a thread nut (102) is provided on one side surface of the transverse frame (108), one end of the thread nut (102) is connected to a transverse screw rod (103), the transverse screw rod (103) is rotatably arranged on a side surface within the carrier frame (107), one end of the transverse screw rod (103) is connected to a drive motor (101), the drive motor (101) is connected to a PLC controller (5) by means of a connecting wire, and a scraper (104) is provided on one side surface of the transverse frame (108). The device can precisely control the feeding amount of the scraper (104), meet glue application requirements for gluing different composite fabrics, and at the same time can quickly clean the glue storage box (8). C: A cutting fixing device for textile manufacturing, comprising a cutting table (3) and a vertical support (2) provided on the upper side surface of the cutting table (3). One side of the vertical support (2) is provided with a fixing assembly (1); the vertical support (2) is connected to the cutting table (3) by means of a direction adjustment assembly; the fixing assembly (1) comprises a horizontal support (102) and an electric push rod (101); the electric push rod (101) is provided on the upper side surface of the horizontal support (102); a bearing support (111) is provide at the bottom of a piston rod of the electric push rod (101); a pressing sleeve (103) and a second pressing sleeve (110) are symmetrically provided on one side surface of the bearing support (111); a first spring (104) is provided at the inner top portion of the first pressing sleeve (103); one end of the first spring (104) is fixedly connected to a first pressing rod (105); the first pressing rod (105) is slidably connected in the first pressing sleeve (103); a first pressing pad (106) is provided at the bottom of the first pressing rod (105); a second spring (109) is provided at the inner top portion of the second pressing sleeve (110); one end of the second spring (109) is fixedly connected to the second pressing rod (108); the second pressing rod (108) is slidably connected in the second pressing sleeve (110); and a second pressing pad (107) is provide at the bottom of the second pressing rod (108). D: A new-type time-controlled cleaning device for composite fabric production. The cleaning device comprises a cleaning tank, and a water collection tank, which is arranged at the top of the cleaning tank, wherein a cleaning assembly is provided on one side of the interior of the cleaning tank, and a drying assembly is provided on the other side of the interior of the cleaning tank; the cleaning assembly comprises a first carrying frame and a second carrying frame, one end of the first carrying frame is fixedly connected to the second carrying frame by means of a connecting frame, a first spray head is provided on one side of a lower surface of the first carrying frame, and a second spray head is provided on one side of an upper surface of the second carrying frame; a stand is provided at the bottom of the second carrying frame, and a sliding block is provided at the bottom of the stand; one end of the sliding block is slidably arranged inside a sliding groove, the surface of one side of the sliding block is provided with an ejector rod, and one end of the ejector rod is fixedly connected to the surface of one side of a cylinder body; the cylinder body is slidably arranged inside a guide sleeve, the guide sleeve is arranged inside the sliding groove, and the surface of the other side of the cylinder body is provided with a lug plate; and a connecting rod is hinged inside the lug plate, and one end of the connecting rod is hinged to a crankshaft. By means of the cleaning device, a composite fabric can be quickly cleaned, and water can also be separated from the composite fabric, thereby shortening a drying period and achieving high practicality.

A

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed are an anti-propylene mask and a method for preparation thereof; the anti-propylene mask comprises a fiber cloth contact layer, an antistatic non-woven fabric layer, and a fullerene/nano titanium dioxide spunbond layer which are arranged in sequence; the fullerene/nano titanium dioxide spunbond layer is made by spun-bonding the modified resin material into a fiber web; the raw materials of modified resin materials comprise matrix resin, carboxylated fullerene derivatives, nano titanium dioxide, lubricants, and coupling agents; the modified resin material is prepared by means of the following method: a carboxylated fullerene derivative is mixed and reacted with said nano titanium dioxide to prepare a nano titanium dioxide modified by the carboxylated fullerene derivative, which is then blended and extruded with the remaining components in the raw material, and thus prepared; the mask of the present invention is not only easy to use but also convenient to carry, and can prevent propylene from entering the human body through the human respiratory organs, has a good anti-propylene effect, and also has an anti-static function, and is particularly suitable for use in a propylene production workshop. A: The present invention provides a titanium dioxide nanobelt@MOF composite material, a preparation method therefor, and use thereof. The preparation method comprises the following steps: preparing a titanium dioxide nanobelt; carboxylation-treating the titanium dioxide nanobelt, so as to obtain a carboxyl-modified titanium dioxide nanobelt; and mixing the carboxyl-modified titanium dioxide nanobelt, a metal salt, and an organic ligand, and then performing a heating and crystallization treatment, so as to obtain a titanium dioxide nanobelt@MOF composite material. In said method, carboxyl functional modification is performed on the surface of the TiO 2 nanobelt and further an MOF material is grown in situ, allowing a simple process and low costs, achieving the preparation of a TiO 2 nanobelt@MOF composite material which has a shell layer having a controllable thickness and connected by means of covalent bonds, providing a good application prospect. The titanium dioxide nanobelt@MOF composite material provided in the present invention has a porous core-shell structure having a shell layer and an inner core, the core being a titanium dioxide nanobelt, and the shell layer being an MOF layer connected to the surface of the inner core by means of covalent bonds, improving the photocatalytic performance, providing high visible light response capability. B: Disclosed is a composite material comprising an inorganic non-metal mineral as a support and a nano titanium dioxide layer carried on the support, with the layer consisting of a plurality of titanium dioxide nano spheres and the titanium dioxide nano spheres consisting of a plurality of individual titanium dioxide nano particles. Also disclosed is that one or more multi-functional layers are additionally carried on the titanium dioxide nano layer on the composite material. The composite material not only exerts the advantages of the nano titanium dioxide layer of having a high refractive index and high coverage capacity, but also exerts the good photocatalytic activity of the small individual nano particles therein, and facilitates the coating with other functional layers so as to prepare functionally enhanced or multifunctional composite materials. In addition, a preparation process for the composite material is provided, which is easy and low in cost. The composite material can be used in various industrial fields as an additive, and has good compatibility. C: The present invention relates to a plastic composite material capable of being polished and connected to metal, and a preparation method therefor. The composite material comprises, in parts by weight, the following components: PBT: 50-80; GF: 10-50; nano titanium dioxide: 1-5; a dispersing fluid medium: 3-10; compatibilizer: 1-8; a toughening agent: 5-10; an antioxidant: 0.1-1; and a lubricating agent: 0.1-1. The preparation method therefor comprises: (a) mixing the PBT resin, the nano titanium dioxide, the toughening agent, the compatibilizer, the antioxidant, and the lubricating agent in a mixer; and (b) subjecting the mixture obtained in step a to blending granulation by means of a double-screw extruder, laterally feeding the GF, and performing melt extrusion and granulation to obtain the plastic composite material. Compared with the prior art, the plastic composite material provided by the present invention has high affinity with metal and excellent post-processing polishing performance by adding a compatibilizer by means of a special process. D: Disclosed are a melt-blown composite nanometer antibacterial super-soft nonwoven material and a preparation method. The melt-blown composite nanometer antibacterial super-soft nonwoven material comprises a first flexible melt-blown layer (1), a first nanofiber antibacterial layer (2), a nanofiber hydrophilic layer (3), a second nanofiber antibacterial layer (4) and a second flexible melt-blown layer (5), which are arranged successively from top to bottom, and both the first nanofiber antibacterial layer (2) and the second nanofiber antibacterial layer (4) are formed by alternately laminating a nanometer titanium dioxide material layer (6) and a nanofiber antibacterial material layer (7). The first flexible melt-blown layer (1) and the second flexible melt-blown layer (5) provide the melt-blown composite nanometer antibacterial super-soft nonwoven material with a better softness, a good hand feeling and a high comfort degree. A sustained antibacterial body is formed by alternately laminating the nanofiber antibacterial material layer (7) and the nanometer titanium dioxide material layer (6), making the nonwoven material have a lasting antibacterial effect. The nanometer titanium dioxide layer (6) also has a good anti-ultraviolet function. The nanofiber hydrophilic layer (3) makes the nonwoven material have a good hydrophilicity.

D

Please select the most similar patent number from A, B, C and D. Which number is? An improved pulp washer or shredder, comprising a rotating swivel roller (4) and a squeezing central roller (7). A supporting net (8) covers the swivel roller (4) and the squeezing central roller (7); a material distribution device (9) for distributing materials to the supporting net (8) is disposed between the swivel roller (4) and the squeezing central roller (7); an unloading device is disposed at the inner side of the squeezing central roller (7); at least one squeezing sub-roller (10) which abuts against the squeezing central roller (7) is disposed on the squeezing central roller (7); and all of the squeezing sub-rollers (10) are in contact with the supporting net (8). A: A pneumatic vacuum pressing apparatus, comprising a pressing cylinder (9), a juice receiving part (17), a piston (10), a filter (12), a frame (1), and an electric gas supply module. The piston (10) is slidably mounted in the pressing cylinder (9). The outer edge of the piston (10) tightly fits the inner edge of the pressing cylinder (9). The piston (10) divides the interior of the pressing cylinder (9) into a positive pressure air cavity (8) and a pressing cavity (30). The pressing cavity (30) is in communication with the juice receiving part (17) to constitute a sealed cavity (31) that is through within. The filter (12) is provided within the pressing cavity (30), within the juice receiving part (17), or between the pressing cavity (30) and the juice receiving part (17). Kept in a vacuum environment are food such as fruits or vegetables whilst being pressed and the juice (comprising oil) when entering the juice receiving part or a juice receiving can, thus preventing the problem in the prior art of discoloration and deterioration of the juice due to oxidation. B: A device for washing a paper pulp, comprising a roller extrusion mechanism (100) and a pulp transport mechanism (200). The roller extrusion mechanism (100) comprises a master roller (101) and a plurality of sub-rollers (102), the sub-rollers (102) being provided along the circumferential direction of the master roller (101) around the central axis of the master roller (101), and the sub-rollers (102) abutting against the master roller (101) in a radial direction and forming corresponding nips (103). The pulp transport mechanism (200) comprises a pulp transport mesh assembly (201), the pulp transport mesh assembly (201) being loaded with paper pulp and transporting same between the master roller (101) and each of the sub-rollers (102), and the paper slurry being washed in the nips (103). Less sub-rollers (102) are used for obtaining the same nips (103), and the nips (103) are distributed in a vertical direction, making the overall structure more compact. C: An electric-powered vacuum pressing machine, comprising a pressing cylinder (9), a juice receiving part, a piston (10), an electric-powered telescoping mechanism, an electric vacuuming pump (17), and a machine body (7). The sliding piston (10) is mounted in the pressing cylinder (9). The outer edge of the piston (10) tightly fits the inner edge of the pressing cylinder (9). The piston (10) divides the pressing cylinder (9) into a travel cavity (2) and a pressing cavity (13) separated from each other. The top surface of the piston (10) is arranged within the travel cavity (2). The bottom surface of the piston (10) is arranged within the pressing cavity (13). Kept in a vacuumed environment are food such as fruits or vegetables whilst being pressed and the juice (comprising oil) when entering the juice receiving part or a juice receiving tanks, thus preventing the problem in the prior art of discoloration and deterioration of the juice due to oxygenation. Compared with a vacuum spiral juice pressing machine, cleaning is easy (each time after use, washing is required for only three components, namely the juice receiving part, the pressing cylinder (9), and the piston (10), while the vacuum spiral juice pressing machine requires the washing of seven components, namely a sealing cover, a feeder cylinder, a spiral shaft, a cylindrical filter, a juicing cavity, a juice receiving cup, and a pulp cup) and operation is easy (only the three components need to be mounted at minimum, while the vacuum spiral juice pressing machine requires at least the 7 components to be mounted). D: A satellite rotary screen transfer printing device, comprising: a center roller (1) and at least one rotary screen transfer printing assembly (100) distributed around the circumference of the center roller. The center roller is mounted on a frame (2) in such a manner that the center roller can rotate about the central axis of the center roller. A fabric (3) available for printing enters the space between the center roll and each rotary screen transfer printing assembly for printing. Each rotary screen transfer printing assembly comprises a rotary screen plate roller (102) prefabricated with a pattern and a transfer roller (103) used for transferring the pattern on the rotary screen plate roller to the fabric. The transfer roller is between the rotary screen plate roller and the center roller. The rotary screen transfer printing assembly further comprises a scraper assembly (104). The scraper assembly comprises a scraper built in the rotary screen plate roller. The position and pressure of the scraper relative to the inner surface of the rotary screen plate roller are adjusted by means of a scraper adjustment mechanism.

B

Please select the most similar patent number from A, B, C and D. Which number is? A warp self-binding forming fabric, relates to the technical field of forming fabrics for paper making, comprises a face layer, a bottom layer, and connection lines. The face layer is a plain structure formed by alternately interlacing face warps and face wefts. The bottom layer is a satin structure formed by alternately interlacing bottom warps and bottom wefts. The connection lines are arranged in pairs, and connect the face layer and the bottom layer in the warp direction. The connection lines are alternately interlaced in the upper-layer net and the lower-layer net regularly, so that the upper-layer net and the lower-layer net are connected together, the relative twisting movements and slides do not occur, thereby eliminating internal abrasion. The forming fabric has the advantages of stable dewatering performance, short dewatering time, uniform mesh sizes, prevention of internal abrasion of the three-layer net, longer service life and easiness in cleaning. A: A paper diaper having a new type of absorption layer and processing method therefor. The paper diaper comprises a surface layer (1), an absorption layer, a bottom layer (5), and waist stickers. The absorption layer is between the surface layer (5) and the bottom layer (5). The absorption layer has multiple sewing threads (7) interpenetrating therein for dividing the absorption layer into and fastening multiple web structures. The sewing threads can penetrate the surface layer (1), and separately connect the surface layer (1) and the bottom layer (5), thereby forming an integral body. The absorption layer can comprise a fluff pulp layer (3), a dispersion layer (2) thereabove, and an absorbent paper layer (4) therebelow. The sewing threads (7) can penetrate the fluff pulp layer (3), and separately connect the dispersion layer (2), and the absorbent paper layer (4). The fluff pulp layer (3) can be provided with multiple fiber coagulation points. The paper diaper is simple in structure, economic, practical, safe, sanitary, and comfortable. The absorption layer is not easy to deform and fracture. The processing method has a simple production process and high production efficiency. B: A diaper pad having a new type of absorption layer and processing method therefor. The diaper pad comprises a surface layer (1), an absorption layer, and a bottom layer (5). The absorption layer is between the surface layer (1) and the bottom layer (5). The absorption layer has multiple sewing threads (7) interpenetrating therein for dividing the absorption layer into and fastening multiple web structures. The sewing threads can penetrate the surface layer (1), and separately connect the surface layer (1) and the bottom layer (5), thereby forming an integral body. The absorption layer can comprise a fluff pulp layer (3), a dispersion layer (2) thereabove, and an absorbent paper layer (4) therebelow. The sewing threads (7) can penetrate the fluff pulp layer (3), and separately connect the dispersion layer (2), and the absorbent paper layer (4). The fluff pulp layer (3) can be provided with multiple fiber coagulation points. The diaper pad is simple in structure, economic, practical, safe, sanitary, and comfortable. The absorption layer is not easy to deform and fracture. The processing method has a simple production process and high production efficiency. C: An industrial fabric, which relates to the technical field of engineering textiles. The industrial fabric is a mesh woven from warp yarns made of monofilament materials and weft yarns made of monofilament materials. The warp yarns are of a double-layer structure. One of warp yarn basic units comprises four sub-units, two sub-units being located on an upper layer, the other two sub-units being located on a lower layer. The warp yarns on the upper layer and the warp yarns on the lower layer are in a vertical overlapping relationship, wherein at least two units comprise two parallel narrow warp yarns (1t, 2t). Upper warp yarns and lower warp yarns, namely front warp yarns and back warp yarns (3b, 5b, 6b), are identical in texture structure, or one surface is identical to the other surface after rotating by 180 degrees. The industrial fabric is stable in structure and good in overall consistency, does not deform easily, and is durable. The upper surface is good in flatness, the surface is free from defects, and the quality and intensity of the fabric are improved, such that the quality and efficiency of paper making are guaranteed, the rejection rate is reduced, and the cost is greatly reduced. The industrial fabric is applied to paper making meshes, can also serve as a conveyor belt, and is widely applied to the industries such as paper making, chemical engineering, medicine and machinery. D: Disclosed is a skid-resistant carpet rubber mat layer. The skid-resistant carpet rubber mat layer comprises a bottom layer, which is a skid-resistant water-repellent layer (5), and an upper layer, which is a bonding layer (4), and the bonding layer (4) is a single-face fabric provided with a plurality of monofilament protrusions. The bonding layer (4) is a single-face fabric made of monofilaments with a unit of 20D or above and provided with protrusions, or a single-face structure layer formed by splitting the middle of a three-dimensional mesh cloth structural layer, and the three-dimensional mesh cloth structural layer is composed of an upper-layer warp-knitted mesh fabric and a lower-layer warp-knitted mesh fabric, and a plurality of terylene, polypropylene or nylon monofilaments that are vertically arranged in the middle and are used for connecting the upper-layer warp-knitted mesh fabric and the lower-layer warp-knitted mesh fabric. The skid-resistant carpet rubber mat layer can be used in combination with various carpet surfaces, and the bonding strength is moderate, such that the situation of the carpet surface being damaged during detaching due to excessive bonding force is avoided, and the situation of the carpet surface being prone to displacement and upwarping due to a bonding force being too low is also avoided. Meanwhile, the skid-resistant carpet rubber mat layer has advantages such as being capable of being rolled, capable of being folded, capable of being washed by a machine, and being convenient to lay and convenient to transport.

C

Please select the most similar patent number from A, B, C and D. Which number is? A striking sheet of an icebreaking rod can be hinged on supporting seats evenly distributed on an outer periphery of the icebreaking rod, and comprises an S-shaped smooth curve bended connecting arm (1), which may be a curved-surface plate-shaped arm or rod-shaped crank arm. A removable striking blade device is arranged on the head portion of the S-shaped smooth curve bended connecting arm, and the tail end of the connecting arm is connected with a shaft sleeve (2) and a damping limiting device (5) matched with the shaft sleeve. The striking sheet of an icebreaking rod can reduce the impact force of an icebreaking blade on a hinged shaft and the supporting seats, disperse the impact force borne by the connecting arm and prolong service life. The icebreaking blade is removable, so that using cost is reduced, and maintenance cost is reduced. A: Provided is a bogie wheelset radial mechanism with a structure which is of adjustable rigidity. The mechanism is composed of front and rear secondary frames (21) which are pin-connected via two connecting rods (22) arranged in a crosswise manner. The connecting rods (22) are pin-connected to the secondary frames (21) via round pins (24). Joints between the round pins (24) and the connecting rods (22) and/or joints between the round pins and the secondary frames (21) are provided with replaceable elastic materials. The joints between the round pins (24) and the connecting rods (22) and/or the joints between the round pins and the secondary frames (21) are provided with rings (23) made of the replaceable elastic materials. End portions of the connecting rods (22) are embedded into mounting grooves (25) located in the secondary frames (21) and are pin-connected to same via the round pins (24). The end portions of the connecting rods (22) are located on an upper mounting plane (31) or a lower mounting plane (32) of the secondary frames (21) and are pin-connected to same via the round pins (24). By providing the replaceable elastic materials, which have buffering and damping effects, impact forces between the round pins (24) and the secondary frames (21) and between the round pins (24) and the connecting rods (22) are effectively reduced, thereby further improving the use reliability of the secondary frames (21) and the connecting rods (22), and reducing the risk of structural failure of each part. B: A multi-roller and multi-shaft combined de-icing apparatus comprises three rolling and scraping de-icing rollers(1), a working apparatus bracket (2), a fixed portal frame (5), a lifting portal frame (6), a buffering pull rod (7), and an oil cylinder (8). The fixed portal frame (5) is fixed on a vehicle frame; the lifting portal frame (6) is in sliding fit with the fixed portal frame (5); the working apparatus bracket (2) is hingedly connected to the lifting portal frame (6); the rolling and scraping de-icing rollers are mounted at a lower end of the working apparatus bracket (2) by using shock absorbing springs (14) and arranged on three shafts in two rows; the buffering pull rod (7) is disposed in the middle of the fixed portal frame (5); two ends of the buffering pull rod (7) are hingedly connected to the fixed portal frame (5) and the working apparatus bracket (2), respectively; and two ends of the oil cylinder are hingedly connected to the fixed portal frame (5) and the lifting portal frame (6), respectively. The apparatus can adapt to arc roads, uneven roads, and bumpy roads, and can swing left and right or forward and backward, to better profile the ground, thereby removing ice cleanly and greatly reducing shock in a cab. The apparatus is a multi-roller and multi-shaft combined de-icing apparatus that has both functions of ensuring physical and psychological health of a driver and de-icing compacted snow. C: Disclosed is a deck carrier used in polar region, comprising a main hull (1), and a bow (2) and a stern (3) located at two ends of the main hull (1); the angle between a flare (4) of the bow (2) and the horizontal plane is a, wherein a = 13-25º. The angle between the flare (4) of the bow (2) and the horizontal plane is designed to be 13-25º, and thus when the deck carrier is sailing in polar region, the flare (4) of the bow (2) can continuously crush and break the ices, and the resistance encountered in icebreaking is reduced, enabling rapid icebreaking in the large-load navigation process without the need of an icebreaker performing icebreaking forwardly. D: An electric tool, comprising: a striking shaft (11) comprising a striking end (1111) capable of reciprocating in a first axis (200) and capable of striking a nail (100) during movement, a striking surface (1123) contacting the nail (100) being formed on the striking end (1111); an impact mechanism (10) for impacting the striking shaft (11) to reciprocate; a motor (21) for driving the impact mechanism (10); and a housing (50) for supporting the striking shaft (11), the impact mechanism (10) and the motor (21); the impact mechanism (10) comprises an impact block (12) on which an impact surface (1122) for contacting the striking shaft (11) so as to output an impact force to the striking shaft (11) is formed, and a support shaft (70) for supporting the impact block (12); a force receiving surface for contacting the impact surface (1122) to receive an impact force outputted by the impact block (12) is formed on the striking shaft (11); and when the impact surface (1122) contacts the force receiving surface to perform impacting, the ratio of the area of the surface of the force receiving surface that contacts the impact surface (1122) to the area of the striking surface (1123) is equal to or greater than 0.5 and equal to or less than 20.

B

Please select the most similar patent number from A, B, C and D. Which number is? A blower (100), comprising: a motor (110); a fan (120), being driven by the motor (110) to rotate about a central axis (101); a battery pack (130), for supplying power to the motor (110); an air duct assembly (140), forming an air inlet (141) for air intake and an air outlet (142) for air outlet; and further comprising: a first handle (150), forming a first holding portion (151) for holding; and a second handle (160), forming a second holding portion (161) for holding. At least part of projection of the battery pack (130), in the radial direction of the central axis (101), on a plane (102) passing through the central axis (101) is located between the first handle (150) and the second handle (160). The blower (100) facilitates reducing the burden when a user uses the blower (100). A: A food processor, comprising a main machine (100) and a blending cup assembly (200). The blending cup assembly (200) comprises a cup body (210), a blade assembly (220), and a magnetic conductive disc (230). A coil disc (110), a blending motor (120), and a circuit board (130) are provided in the main machine (100). The main machine (100) comprises a housing body (140) that comprises a housing (141) and a support (142). A first air duct (151) and a first fan (161) located in the first air duct (151) are provided in the housing (141), a first air inlet (171) and a first air outlet (181) communicated with the first air duct (151) are formed on the surface of the housing (141), and the blending motor (120) is located in the first air duct (151). A second air duct (152) and a second fan (162) located in the second air duct (152) are provided in the housing (141), a second air inlet (172) and a second air outlet (182) communicated with the second air duct (152) are formed on the surface of the housing (141), and the circuit board (130) is located in the second air duct (152). A third air duct (153) and a third fan (163) are provided in the support (142), a third air inlet (173) and a third air outlet (183) communicated with the third air duct (153) are formed on the surface of the support (142), and the coil disc (110) is located in the third air duct (153). The first air duct (151), the second air duct (152), and the third air duct (153) are isolated from each other. The food processor improves the heat dissipation efficiency. B: A micro water pump, comprising: a housing (100) having an accommodating chamber (101), an impeller assembly (200) rotatably fixed in the accommodating chamber (101), a winding assembly (300) used for driving the impeller assembly (200) to rotate, and a flexible circuit board (400) electrically connected to the winding assembly (300). The housing (100) comprises a base (110) and an upper cover (120) covering the base (110); the side of the base (110) facing the upper cover (120) is recessed to form a recess (111); the bottom wall of the recess (111) protrudes toward the upper cover (120) to form an enclosing table (130); the base (110), the enclosing table (130), and the upper cover (120) together enclose the accommodating chamber (101); the enclosing table (130) comprises a top wall (131) and an enclosing wall (132) which is arranged spaced apart from the side wall of the recess (111); a stepped shaft (140) arranged spaced apart from the enclosing wall (132) is protrudingly provided on the top wall (131) in the direction away from the upper cover (120); the enclosing wall (132), the top wall (131), and the stepped shaft (140) together enclose a mounting chamber (133) which is used for fixing the winding assembly (300) and sealingly isolated from the accommodating chamber (101); the stepped shaft (140) comprises a first shaft portion (141) fixed on the top wall (131) and a second shaft portion (142) fixed on the first shaft portion (141); and the outer diameter of the first shaft portion (141) is larger than that of the second shaft portion (142), and the central axis of the first shaft portion (141) is the same as that of the second shaft portion (142). C: An air blower comprising: a housing (200), where an air inlet (203) is provided on the housing (200) and air is introduced via the air inlet (203); a motor (300) arranged within the housing (200); an axial flow fan driven by the motor (300) to rotate around a fan axis and to produce an airflow; an air blowing pipe (422) connected to the housing (200) and provided with an air outlet (601), where the airflow is blown out from the air outlet (601); and a duct (400) used for guiding the airflow to move towards the air outlet (601). An airflow channel (602) is provided within the housing (200) and the air blowing pipe (422). The airflow channel (602) comprises an upstream area(201) between the air inlet (203) and the axial flow fan and a downstream area (202) between the axial flow fan and the air outlet. The motor (300) is provided in the upstream area (201). The duct (400) is provided in the downstream area (202). D: Disclosed is a power tool (100), comprising: a casing (11), a motor (12), an output shaft (131), a working head (13), a transmission assembly, an auxiliary handle (20), and a damping assembly (25), wherein the casing is provided with a main handle (111) for a user to grip; the motor is arranged in the housing, and the motor is further provided with a driving shaft (121); the working head is provided with the output shaft (131) and an abrasive disc (132) connected to the output shaft, and the output shaft is driven by the motor; the front end of the auxiliary handle is mounted on the casing and near the working head, and the auxiliary handle comprises a grip portion (21) extending along a center line (103) thereof; the damping assembly comprises a mass member (251) and an elastic element (252), wherein the auxiliary handle further comprises an end cap (23) arranged at the rear end of the grip portion (212), with the rear end being further away from the casing with respect to the front end; an accommodating chamber (24) for accommodating the damping assembly is enclosed by the end cap and the grip portion when same are integrated; the elastic element (252) is arranged between the mass member (251) and the chamber wall of the accommodating chamber; and the ratio of the inherent frequency W1 of the damping assembly to the rotational frequency W2 of the output shaft during rotating is greater than or equal to 0.7 and less than or equal to 1.3. The power tool has a good damping effect.

C

Please select the most similar patent number from A, B, C and D. Which number is? A miniature pleuston clearing and collecting device. A filter plate (20) is cylindrical; a filter cloth (21) for filtering river water is arranged on the periphery of the filter plate (20); a central water collecting barrel (22) is arranged at the center of the filter plate (20); the central water collecting barrel (22) is rotatably connected to a collecting bucket (10) by means of a rotating shaft; an axial flow pump (30) is in communication with the central water collecting barrel (22); a collecting chamber (40) is supported above the collecting bucket (10); the upper portion of the filter plate (20) extends into the collecting chamber (40); the side of the filter plate (20) rotating into the collecting chamber (40) is not connected to a bottom plate (41) of the collecting chamber (40), and an agent storage chamber (42) is arranged at a position on said side in the collecting chamber (40); two sides of the agent storage chamber (42) are externally connected to agent adding pipes (47); the side of the filter plate (20) rotating out of the collecting chamber (40) abuts against the bottom plate (41) of the collecting chamber (40), and a sewage collecting chamber (43) is located at a position on said side in the collecting chamber (40). By adding an agent around the device and pumping surrounding water bodies at the same time, the collecting bucket (10) is miniaturized and algae is cleared; by means of the filter plate (20) and the collecting chamber (40), algae subjected to flocculation is directly collected. A: Disclosed are a device for clearing an object floating on water and a clearing method therefor. The device comprises a ship body, wherein a cavity is provided in a tail end of the ship body; a collecting tank is fixed to an inner wall of the bottom of the cavity by means of a supporting frame; a channel is fixed to top ends of two sides of the collecting tank that are away from each other; an end of the channel away from the collecting tank extends to an outer side of the ship body and is fixedly provided with a debris inlet; a water suction pump is fixed to an outer wall of the collecting tank close to the channel; an electric motor is fixed to an inner wall of the side of the cavity that is close to the head of the ship body; a power output shaft of the electric motor is hinged to a torsion rod by means of a rotary disk; a sliding groove is fixed to an inner wall of the bottom of the cavity by means of a mounting frame; an inner wall of the bottom of the sliding groove is attached to an outer wall of the torsion rod; a clearing groove is further provided between the sliding groove and the collecting tank; and a push plate is arranged at an end of the torsion rod that is located inside the collecting tank. By means of the cooperative use of the various devices above, objects floating on water can be cleared more thoroughly, the debris clearing efficiency can be significantly improved, and the effect of effectively treating the problem of water pollution in a short time can be achieved. B: An automatic pet waterer comprises a water reservoir (10), a water bowl (20) provided at an opening of the water reservoir (10), and a light-up water pump (30) fixedly provided in the water reservoir (10). The water bowl (20) is provided with a water spraying nozzle (21) connected to a water outlet of the light-up water pump (30) by means of a water pipe. A water-filtering device (40) is provided under the water bowl (20) and positioned inside the water reservoir (10). The water-filtering device (40) comprises a filter holder (41) and a filter unit (42) received in the filter holder (41). A nylon screen (43) is provided between the filter holder (41) and the filter unit (42). The water bowl (20) has multiple water recycling ports (22) arranged within a region covered by the water-filtering device (40). A housing of the water reservoir is provided with a transparent strip-shaped member (11) perpendicular to a horizontal plane. A user can see the level of water inside the water reservoir by means of the transparent strip-shaped member (11). The waterer has a simple structure, thereby reducing processing costs. Moreover, the waterer has multiple functions which meet practical requirements of users, and provides pets with good quality of drinking water. C: Disclosed are an automatic high-pressure filter press, and a filter pressing, residue discharging and back washing method therefor. The automatic high-pressure filter press comprises: a filter press cylinder (1), filter press plates (2, 3, 4, 5), a first hydraulic cylinder (9), a first connecting pipe (6), a residue-scraping device, an automatic residue-discharging device, a filtered water drainage device, a back washing device, a material inlet pipe (31) and a machine frame (21), wherein an active filter press plate (5), a movable passive filter press plate (4), a fixed passive filter press plate (3) and an end cover filter press plate (2) are provided inside the filter press cylinder (1); the residue-scraping device is arranged above a position between the end cover filter press plate (2) and a fourth hydraulic cylinder (32); and an automatic residue-discharging bucket (40), a water collection tank (42), and a belt conveyor (23), which is located outside the machine frame, are arranged below the position between the end cover filter press plate and the fourth hydraulic cylinder. During operation, an external slurry pump feeds a slurry to positions between the filter press plates (2, 3, 4, 5) inside the filter press cylinder (1) via the material inlet pipe (31); the first hydraulic cylinder (9) pushes the active filter press plate (5) to press the slurry inside the filter press cylinder (1) into filter residue cakes, and the filter residue cakes are discharged to the outside of the machine by means of the automatic residue-discharging device; by means of the configuration of water collection cavities (47, 54, 66, 73) being in communication with the first connecting pipe (6), filtered water from the filter press plates (2, 3, 4, 5) is collected and drained into the first connecting pipe (6), and is then drained to the outside of the machine; and for back washing, back washing water is introduced, enters the water collection cavities (47, 54, 66, 73) by means of the configuration of the first connecting pipe (6) being in communication with the water collection cavities (47, 54, 66, 73), and then performs back washing for filter screens. D: Disclosed is a double-sealing type apparatus for collecting spray-freezing ice ball particles, comprising a collector (10), a collection trolley (20), an evacuating device (30), a heating device (40), a first sealing pad (50) and a second sealing pad (60). The collector (10) is located on the collecting trolley (20), and the collector (10) is provided with a collection opening corresponding to a discharge port at the bottom of a freezing tower (200). The collection opening is further provided with a water inlet (13), the water inlet (13) being in communication with a space formed when the collection opening is aligned with the discharge port, and when water is injected into the water inlet (13), an ice seal being formed between the collection opening and the discharge port. The evacuating device (30) communicates with an inner space of the collector (10), the heating device (40) and the first sealing pad (50) are located at the collection opening, the first sealing pad (50) forms a seal between the collection opening and the discharge port when the collection opening is aligned with the discharge port, and the second sealing pad (60) is located at the bottom of the collector (10). Further disclosed is a collecting method using the apparatus. The apparatus has a good sealing performance, and can achieve the smooth transfer of ice balls in the freezing tower.

A

Please select the most similar patent number from A, B, C and D. Which number is? A subsidence-area-based semi-underground pumped storage power station, comprising: a high-level water storage area and a low-level water storage area (20), a water delivery channel (15), and a two-way generator set. The water delivery channel (15) is communicated between the high-level water storage area and the low-level water storage area (20). The two-way generator set is provided between the high-level water storage area and the low-level water storage area (20). The two-way generator set is utilized for pumped storage or power generation by means of the water delivery channel (15). The high-level water storage area is a ground subsidence area (18) of an abandoned mine. The low-level water storage area (20) is an underground water storage area. The underground water storage area is located in an underground space of the abandoned mine. Also comprised is a forming method for the subsidence-area-based semi-underground pumped storage power station. A: Disclosed is a heat-radiating internal-circulation power generation device, comprising a solar energy tube (5), three high-positioned expansion reservoirs (6-1, 6-2, 6-3), a low-positioned oil storage reservoir (25), three circulation pumps (8-1, 8-2, 8-3), an energy storage tank (7), a constant temperature furnace (12), a condensed water expansion tank (10), a high pressure plunger pump (13), a high pressure atomizing device (14), a steam generator (15), a steam storage tank (18), a steam turbine (19), a power generator (20), a circulating steam duct (21), a steam condenser (22) and a condensed water pipe (23). In the energy storage tank (7), a saline solution is used as an energy storage medium. Complementary heating of heat conductive oil with other multiple energy sources and solar energy is achieved by the constant temperature furnace (12). The steam generator (15) has layers of annular sealing ducts and the heat conductive oil circulated within the system conducts heat to the steam generator (15), such that an atomized moisture flow is instantly converted into high temperature and high pressure steam to arrive at a critical effect. The present device has the advantages of a long service life and easy maintenance, and is applicable in the fields of large-, middle- and small-scale power generation. B: A water supplement device for a toilet bowl rim and toilet (20) having the same. Water draining of the water supplement device is independent of that of a toilet tank (30). The water supplement device comprises a water storage container (10), a water inlet (11) provided at the top of the water storage container (10), and a water draining opening provided on a bottom surface thereof, wherein the water draining opening is connected to a toilet bowl rim water passage. A flapper (40) for opening/closing the water draining opening is mounted in the water storage container (10). A water storage area (12) is provided in the water storage container (10) and comprises a flow guiding channel (13), wherein an end of the flow guiding channel (13) is connected to the water inlet (11), and the other end extends to the water storage area (12), and is located below a maximum water level of the water storage area (12) or level with the maximum water level of the water storage area (12). C: A generator system for horizontal use and reutilization of hydroenergy comprises a reservoir disposed upstream of a river, a flow channel disposed on a riverbed in a flowing direction of the river, and multiple hydro turbine generator sets and a motor room (4) installed on the flow channel. The flow channel comprises a load bearing dike (1) and a sluice (2) disposed on the load bearing dike (1). The sluice (2) is provided with a water inlet (21) and a water outlet (22). The water inlet (21) is in communication with the reservoir and provided with a water inlet gate (23). The water outlet (22) is directed toward downstream of the river. The multiple hydro turbine generator sets are disposed at even intervals on the sluice. The generator system utilizes the variation of the height of natural water level and reutilizes the hydroenergy for power generation to obtain constant and stable electric energy. D: A pedal-type mopping water bucket and a flat mop that matches same, comprising a bucket body (1) made of a plastic material. A water storage area (1b) and a washing and draining area (1c) that are independent of each other are disposed in the bucket body (1). A communication passage (A) is disposed between the water storage area (1b) and the washing and draining area (1c). A pedal (5) is disposed below the water storage area (1b) and the washing and draining area (1c), and the pedal (5) is connected to a lifting switch (4). When the pedal (5) is not depressed, the lifting switch (4) blocks the communication passage (A) between the water storage area (1b) and the washing and draining area (1c). When the pedal (5) is depressed, the lifting switch (4) leaves the communication passage (A) such that the water level is changed between the water storage area (1b) and the washing and draining area (1c) according to the principle of communicating vessels. A single bucket is internally and separately provided with a water storage area (1b) and a washing and draining area (1c), and when the water level flows therebetween, the cleaning and draining of a mop are integrally completed in a T-shaped port, and the foregoing bucket is convenient to use.

C

Please select the most similar patent number from A, B, C and D. Which number is? A cascade pumped storage power station, comprising: a high-level water storage area, a middle-level water storage area (19), and a lower-level water storage area (20); water conveying channels (15) being in communication with the high-level water storage area and the middle-level water storage area (19) and in communication with the middle-level water storage area (19) and the lower-level water storage area (20); and two-way generator units provided between the high-level water storage area and the middle-level water storage area (19) and provided between the middle-level water storage area (19) and the lower-level water storage area (20), pumped storage or power generation being performed by utilizing the two-way generator units by means of the water conveying channels (15). According to a forming method of the cascade pumped storage power station, an underground water storage area is constructed by selecting an abandoned mine roadway, and at least the middle-level water storage area and the lower-level water storage area having a height difference are used as underground water storage areas. A: A generator system for horizontal use and reutilization of hydroenergy comprises a reservoir disposed upstream of a river, a flow channel disposed on a riverbed in a flowing direction of the river, and multiple hydro turbine generator sets and a motor room (4) installed on the flow channel. The flow channel comprises a load bearing dike (1) and a sluice (2) disposed on the load bearing dike (1). The sluice (2) is provided with a water inlet (21) and a water outlet (22). The water inlet (21) is in communication with the reservoir and provided with a water inlet gate (23). The water outlet (22) is directed toward downstream of the river. The multiple hydro turbine generator sets are disposed at even intervals on the sluice. The generator system utilizes the variation of the height of natural water level and reutilizes the hydroenergy for power generation to obtain constant and stable electric energy. B: A pedal-type mopping water bucket and a flat mop that matches same, comprising a bucket body (1) made of a plastic material. A water storage area (1b) and a washing and draining area (1c) that are independent of each other are disposed in the bucket body (1). A communication passage (A) is disposed between the water storage area (1b) and the washing and draining area (1c). A pedal (5) is disposed below the water storage area (1b) and the washing and draining area (1c), and the pedal (5) is connected to a lifting switch (4). When the pedal (5) is not depressed, the lifting switch (4) blocks the communication passage (A) between the water storage area (1b) and the washing and draining area (1c). When the pedal (5) is depressed, the lifting switch (4) leaves the communication passage (A) such that the water level is changed between the water storage area (1b) and the washing and draining area (1c) according to the principle of communicating vessels. A single bucket is internally and separately provided with a water storage area (1b) and a washing and draining area (1c), and when the water level flows therebetween, the cleaning and draining of a mop are integrally completed in a T-shaped port, and the foregoing bucket is convenient to use. C: A water supplement device for a toilet bowl rim and toilet (20) having the same. Water draining of the water supplement device is independent of that of a toilet tank (30). The water supplement device comprises a water storage container (10), a water inlet (11) provided at the top of the water storage container (10), and a water draining opening provided on a bottom surface thereof, wherein the water draining opening is connected to a toilet bowl rim water passage. A flapper (40) for opening/closing the water draining opening is mounted in the water storage container (10). A water storage area (12) is provided in the water storage container (10) and comprises a flow guiding channel (13), wherein an end of the flow guiding channel (13) is connected to the water inlet (11), and the other end extends to the water storage area (12), and is located below a maximum water level of the water storage area (12) or level with the maximum water level of the water storage area (12). D: A water dispensing device, a water dispensing system, a control method for a water dispensing device, and a storage medium. The water dispensing device comprises: a body (102), wherein a water receiving area (104) is provided on the body (102); a water storage apparatus, which is provided on the body (102); a detection apparatus (106) provided on the body (102), wherein the detection apparatus (106) can transmit and receive a frequency-modulated continuous wave; a storage apparatus, wherein the storage apparatus stores a computer program; and a control apparatus, wherein when executing the computer program, the control apparatus realizes: controlling the detection apparatus (106) to transmit a frequency-modulated continuous wave to the water receiving area (104) (step 202); controlling the detection apparatus (106) to receive a first reflected wave which is formed after the frequency-modulated continuous wave is reflected by a water receiving container (108) (step 204); and according to the frequency-modulated continuous wave and the first reflected wave, controlling the water storage apparatus to output water (step 206). By means of the water dispensing device, non-contact automatic water output control of the water dispensing device can be realized, the control accuracy is improved, and control is realized in a more reliable manner.

A

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed are an informatization technology pile pouring structure and a pile structure, the pile pouring structure comprising a reinforcement cage, a position-limiting ring that is mounted at the exterior of the reinforcement cage, a plurality of PVC pipes that are provided inside of the reinforcement cage, a cut-off layer that is provided on the position-limiting ring, and a two-dimensional code display board that is provided in one-to-one correspondence with the reinforcement cage. The cut-off layer is annular. A two-dimensional code, which is scanned to then enter an information input interface, is provided on the two-dimensional code display board. The beneficial effects of the present invention are: the present solution, by means of scanning a two-dimensional code to input strength information of a pile body, achieves informatization management for a pile construction process, which helps to improve the operation efficiency; the cut-off layer is used as the boundary surface between the pile body and a pile head, thereby rapidly positioning a part requiring removal; and by removing the pile head at the upper part of the cut-off layer, the cut-off layer can protect the structure at the lower part, thus reducing the damage to the part below the cut-off layer during the removal process. A: Disclosed are a vehicle information querying method and system and a storage medium. The method comprises: a vehicle information management system receiving a barcode scanning instruction when a smart user terminal scans a two-dimensional barcode, the two-dimensional barcode comprising identity information of the vehicle; querying, according to two-dimensional barcode information in the barcode scanning instruction of the smart terminal, the system for detailed information of the vehicle; and pushing the obtained detailed information of the vehicle to an application interface of the smart terminal for display. The code scanning operation of the present invention allows a user to quickly search for detailed information of a vehicle, simplifies user operation, and improves the user experience. B: Disclosed in the present invention is a grouting valve at the bottom of a cast-in-place pile for geotechnical engineering construction, comprising a main cylinder, a first connection sleeve, a first connection cylinder, secondary cylinders, a second connection sleeve, a second connection cylinder, and adjustment assemblies. The lower part of the first connection cylinder is provided with first discharge holes; the lower part of the second connection cylinder is provided with fifth discharge holes; each adjustment assembly comprises a mounting frame, a first connection shaft, a second connection shaft, first connection rods, second connection rods, third connection rods, first mounts, fourth connection rods, fifth connection rods, sixth connection rods, and second mounts; the second connection rods are disposed on the first mounts; the first mounts are disposed on the secondary cylinders; the fifth connection rods are disposed on the second mounts; the second mounts are disposed on the main cylinder; and the main cylinder and the secondary cylinders are each provided with a driving mechanism for driving two parallelogram mechanisms to rotate so that the main cylinder and the secondary cylinders move toward or away from each other. The present invention can be used for grouting on both inner and outer sides of a steel cage, such that the grouting is more uniform, and the speed is faster. C: Disclosed are a POS machine capable of changing the direction of scanning a two-dimensional code and a usage method therefor. The POS machine capable of changing the direction of scanning a two-dimensional code comprises a POS machine body. The POS machine body comprises a front-facing camera provided on an upper portion of a liquid crystal display screen. The front-facing camera is provided with a right-angled triangle prism with an exterior structure, wherein same can enter a two-dimensional code into the camera after two instances of total reflection, such that the front-facing camera can scan the two-dimensional code, which is not required to be placed directly above the camera. The present apparatus has a simple structure and is convenient for the usage habits of a user. D: A joint of a concrete-filled steel tube column and an annular steel plate concrete beam, comprising a concrete-filled steel tube column (1), an annular steel plate concrete beam (2), and a reinforced concrete frame beam (3). The annular steel plate concrete beam (2) comprises a steel plate (8) and a steel reinforced cage; concrete slurry passage holes (12) are formed in the middle of the steel plate (8); the steel plate (8) and the steel reinforced cage are annular, the annular steel plate (8) and the steel reinforced cage is coaxially arranged; the annular steel plate concrete beam (2) is sleeved on the outer side wall of the concrete-filled steel tube column (1); one end of the reinforced concrete frame beam (3) extends into the annular steel plate concrete beam (2); stressed steel bars (11) of the reinforced concrete frame beam (3) are connected to the steel plate (8); the annular steel plate concrete beam (2) is a centrally symmetrical annular or eccentric annular structure. According to the joint, the stressed steel bars (11) of the reinforced concrete frame beam (3) are anchored by the steel plate (8), so that the seismic performance of the connecting joint is ensured. The present invention also relates to a construction method for a joint of a concrete-filled steel tube column and an annular steel plate concrete beam.

B

Please select the most similar patent number from A, B, C and D. Which number is? A damming machine for stacking sandbags at a dike breach for preventing flood, comprising two driving wheels (1), a driving axle housing (2), a sandbag bucket (3), an operating platform (4), and a cantilever (5); one end of the cantilever (5) is provided on a rotary table base controlled by a host of the operating platform (4), and the other end thereof is hingedly connected to a power arm (6); the power arm (6) comprises a telescopic arm (62) and a hydraulic cylinder (61) provided at one end of the telescopic arm (62); a piston rod of the hydraulic cylinder (61) is connected to the telescopic arm (62); the end of the power arm (6) is provided with a damming mechanism; the damming mechanism comprises a rotary table (63) provided at the other end of the telescopic arm (62) and a blocking base (64) provided on a rotary base of the rotary table (63); a support base (65) is provided on the blocking base (64), and is provided with a sandbag conveying mechanism; the sandbag conveying mechanism comprises a guide base (7) matching the support base (65) and a moving mechanism sliding along a guide slot of the guide base (7); a transmission mechanism is provided above the guide base (7). The damming machine can quickly and efficiently stack a plurality of sandbags continuously at a time without moving the position of a host of the damming machine. The damming machine is simple to operate, convenient to use and high in efficiency. A: A vehicle driving direction control device having a power receiving function, comprising a lateral deviation swing arm mechanism, the lateral deviation swing arm mechanism comprising a main transmission arm (1), a telescopic secondary transmission arm (2), a rotating drive mechanism that drives the main transmission arm (1) to deflect horizontally and a lifting drive mechanism that drives the main transmission arm (1) to move vertically; and one end of the telescopic secondary transmission arm (2) is hinged to the main transmission arm (1). The device further comprises a guiding block (3) provided at an end part of the main transmission arm (1), and the guiding block (3) is provided thereon with a guiding clamping groove (4) that slidingly cooperates with a guide rail (5). The device further comprises a positive electrode power receiver (6) and a negative electrode power receiver (7) provided on the guiding block (3). The driving direction of a vehicle is guided by means of the guiding block (3) moving along the guiding rail (5) so that the existing non-rail driving of the vehicle is transformed to a combination of non-rail driving and rail driving, thereby solving the technical problems wherein driving stability is influenced by a deflecting power receiving device provided on a vehicle and wherein a driver must control the driving direction. B: Disclosed are a pin plugging/unplugging mechanism and a cylinder head thereof, and a pin-type telescopic arm and a crane with the pin-type telescopic arm. The pin plugging/unplugging mechanism comprises: a telescopic oil cylinder disposed in a telescopic arm (100), an active end of the telescopic oil cylinder being provided with a cylinder head (1); an arm pin (5) slidably disposed on a side wall of an arm tail of the telescopic arm (100); a return mechanism used for keeping the arm pin (5) in an extended and locked state; and a swing bar (3) hinged to a side wall of the telescopic arm (100). A cylinder pin (2) used for being locked with the telescopic arm (100) and an arm pin push rod (7) for pushing the arm pin(5) to unlock are disposed at both sides of the cylinder head (1). A guide mechanism used for guiding the arm pin push rod (7) and the cylinder pin (2) to move is disposed in the cylinder head (1), and the guide mechanism is connected to a driving mechanism. For the pin plugging/unplugging mechanism, an arm pin oil cylinder, a dovetail groove structure, and a poking fork structure on the cylinder head of the oil cylinder are cancelled, so that the structure of the cylinder head of the oil cylinder becomes simpler; a mechanical failure of the cylinder head part is reduced; the guide mechanism drives the cylinder pin and the arm pin push rod to perform interlocking, thereby improving the reliability of an interlocking mechanism; and the manufacturing difficulty and processing cost of the cylinder head of the oil cylinder are reduced. C: Disclosed are a pin insertion and extraction mechanism, an inserted pin type telescopic boom and a crane. The pin insertion and extraction mechanism comprises a telescopic oil cylinder provided in a telescopic boom (100), wherein the movable end of the telescopic oil cylinder is provided with a cylinder end (1), and two sides of the cylinder end (1) are provided with a cylinder pin (2) for locking with the telescopic boom (100). The pin insertion and extraction mechanism further comprises: a boom pin (5) slideably provided on a side wall of the telescopic boom (100), and used for locking to another telescopic boom when sliding to extend; a return mechanism (6) for retaining the boom pin (5) in an extended state; and a rocker lever (3) hinged by means of a fixed shaft to a side wall of the telescopic boom (100), one end of the lever being connected to the boom pin (5) and the other end being able to be pushed by the cylinder pin (2). In the pin insertion and extraction mechanism, providing a boom pin, a return mechanism and a rocker lever providing lever action on the two side walls at the tail of the telescopic boom means that when an ejector rod of the cylinder pin is extended, the boom pin is retracted and when the ejector rod of the cylinder pin is retracted, the boom pin is extended, thereby switching between the cylinder pin locked state and the boom pin locked state. The mechanism not only has a simple structure, is convenient to set up and has fewer essential components, but also reduces the machining complexity of components such as the cylinder head, etc. as well as reducing the installation accuracy of components such as the boom pin, etc. D: Provided is a device for quickly binding flood prevention sandbags, which comprises a base (1), wherein a sandbag clamp (2) is arranged on the base (1), a binding mechanism (3) is arranged right above the sandbag clamp (2), and the binding mechanism (3), through a suspension arm (4), is connected to a lifting rod (5) arranged on one side of the sandbag clamp (2). The invention can rapidly and effectively bind a plurality of sandbags together, performs simple binding by means of winding, and adds to the overall weight of the dropped sandbags in the form of a sandbag combination, avoiding the scenario where a single sandbag would be washed away thereby not being able to block a breach, saving on rescue time at the scene.

D

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed is a roof greening and environmental protection self-watering system based on rainwater recycling technology. The system comprises a transverse rod (1), vertical columns (2), flowerpots (4), a watering pipe (6) and a water storage tank (8), wherein the several vertical columns (2) are uniformly arranged at a bottom end of the transverse rod (1), the water storage tank (8) is arranged below the transverse rod (1), and the several flowerpots (4) are uniformly arranged above the transverse rod (1). Several first support rods (3) are uniformly arranged at a bottom end of each flowerpot (4), a separation net (43) is arranged on the bottom of an inner cavity of each flowerpot (4), and the separation net (43) separates the inner cavity of the flowerpot (4) into an upper cavity and a lower cavity. A sand-gravel layer (41) and a soil layer (42) are provided in the upper cavity, and the soil layer (42) is provided in an inner hole of the sand-gravel layer (41). The watering pipe (6) is arranged above the flowerpots (4), several second support rods (5) are uniformly arranged at a bottom end of the watering pipe (6), and several drip nozzles (7) cooperating with the flowerpots are uniformly arranged on the watering pipe (6). A: A flower pot, comprising a planting box (1), a water accumulation groove (2) and a water absorbent material (3); the planting box (1) and the water accumulation groove (2) are respectively provided with a convex guide strip (16, 16') inside the left and right sides at the junction therebetween; a plurality of convex strips (17) extend from the front face of the water accumulation groove (2) to the bottom face of the planting box (1); the convex strips (170, 170') on the left and right sides of the bottom face of the planting box play guiding and positioning roles when an upper and a lower flower pots are nested. The planting box (1) is provided with an inverted T-shaped hole (18) on the central end edge of the front face, and a drainage hole (12) between two adjacent convex ribs (13) on the bottom face; the long, flat water accumulation groove (2) is provided with a long groove (20') on the back face acting as a drainage channel thereof; the long groove (20') is internally provided with a hole (200') near the upper end edge acting as the spillway of the water accumulation groove, and a flanged strip (202) on the bottom face extending downward so that the drained water can smoothly flow into the flower pot below; the water absorbent material (3) is disposed between the planting box (1) and the water accumulation groove (2). In this way, the upper and lower flower pots can be simply and quickly nested. Furthermore, a plurality of gaps (4) are formed between the planting box and the water accumulation groove of the flower pot below, thus balancing the pressure and oxygen between the planting box and the water accumulation groove. B: A self-cleaning environmentally friendly air purification and dust-removal device, comprising a wall (1), a purifier pipe (2), and a dust exhaust pipe (14); the purifier pipe (2) is embedded in the wall (1); a first protective mesh (3), a dust filter mesh (4), a motor (5), a gas distribution plate (7), a first filter layer (8), a second filter layer (9), an air suction fan (10), and a second protective mesh (12) are sequentially provided from left to right in an inner cavity of the purifier pipe (2); a cleaning brush (13), which cooperates with the dust filter mesh (4), is fixedly connected to a motor shaft of the motor (5); several ventilation holes (71) are uniformly provided on the gas distribution plate (7); an opening at the top of the dust exhaust pipe (14) is provided with a third protective mesh (17); a dust exhaust fan (15) is provided inside the dust exhaust pipe (14). By providing the dust filter mesh (4), the first filter layer (8), and the second filter layer (9), air is filtered and purified in many stages, removing impurities such as dust from air, purifying air, and improving indoor air quality. Dust accumulated on the dust filter mesh is removed when the motor (5) drives the cleaning brush (13) to rotate; moreover, the dust exhaust fan (15) discharges air and discharges dust to outdoor air, preventing dust accumulation from affecting the filter effect of the dust filter mesh (4). C: A dust removal device for industrial fumes. The dust removal device comprises a dust removal housing (1), wherein a first filter screen (3) is arranged on the side of the inside of the dust removal housing (1) that is close to an air inlet (2); a support frame (4) is arranged on an outer side of the first filter screen (3); sliding grooves (5) are respectively provided on two sides of the support frame (4), and sliding blocks (6) are arranged inside the sliding grooves (5) in a sliding mode; a cleaning brush (7) is fixedly arranged between outer sides of the two sliding blocks (6), and a pull string (8) is fixedly arranged in the middle of the upper end of the cleaning brush (7); a water output pipe (9) is fixedly arranged at the top end of the interior of the dust removal housing (1), and several spray nozzles (10) are evenly arranged at the bottom end of the water output pipe (9) at intervals; a tapered shield (11) is arranged at the bottom end of the dust removal housing (1) and is located directly below the water output pipe (9); the bottom end of the tapered shield (11) is connected to a liquid discharging pipeline (12); a sealing piston (13) is arranged inside the liquid discharging pipeline (12); and a reset spring (14) is fixedly arranged at the bottom end of the sealing piston (13). D: An environment-friendly air purifier for a public place, comprising a body (1). An air exhaust chamber (2), a disinfection chamber (3), an air entrainment chamber (4), and a filter chamber (5) are sequentially provided inside the body (1) from top to bottom. The bottom wall of the filter chamber (5) is connected to an air inlet (6) in a communicating manner. A protective mesh (22) is provided in the air inlet (6). A third filter layer (9), a second filter layer (8), and a first filter layer (7) are sequentially provided in the filter chamber (5) from top to bottom. A fan (11) is provided in the air entrainment chamber (4). Disinfection tubes (14) are provided in the middle of the disinfection chamber (3). Several lamp bases (16) are uniformly provided in the peripheral direction of the inner wall of the disinfection chamber (3), and ultraviolet radiators (17) are provided on the lamp bases (16). Plant filter cartridges (19) are provided in the air exhaust chamber (2), the side wall of the air exhaust chamber (2) is uniformly provided with several air exhaust holes (20), and the protective mesh (22) is provided in the air exhaust holes (20). The bottom end of the body (1) is uniformly provided with several supporting legs (21). Air is filtered layer by layer to ensure the exhausted air clean and environment-friendly.

A

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed is an aerator, comprising a body (100), a flow divider (200) and an inserter (300). The flow divider (200) and the inserter (300) are mounted and connected in the body (100). An air suction hole (110) runs through the body (100). A water flow forms a jet flow under the action of the flow divider (200). The jet flow collides with the inserter (300) to incur an atomization effect and is mixed with air sucked by the air suction hole (110). The inserter (300) comprises a plurality of bottom layer division plates (310), a plurality of middle layer division plates (320), and a plurality of upper layer studs(330) fixedly connected together. Passages are formed between the adjacent bottom layer division plates (310) and between the adjacent middle layer division plates (320). A collision surface of the upper layer studs (330), a collision surface of the middle layer division plates (320), and a collision surface of the bottom layer division plates (310) form three layers separated in the direction (X). The aerator has the following advantages. The chance of jet flow collision is increased, the chance of multiple jet flow collisions is increased, the effect of water saving is excellent, and the water drops are plump. A: Disclosed in the present invention is a bubbler capable of ensuring gas suction effect under low pressure comprises a main body (10), a gas-water mixer (20) and a flow splitter (30) both installed in the main body (10). The flow splitter (30) is provided with a plurality of flow splitting holes (31). A gas suction hole (11) is additionally arranged to suck the air from outside of the main body (10) into the main body (10). The bubbler is also provided with a constant open water line (40) and an open-close water line (50). An open-close member (60) is arranged on the open-close water line (50) in order to open the open-close water line (50) when the water flow pressure is greater than a predetermined water pressure and to close it when the water flow pressure is lower than the predetermined water pressure. All the flow splitting holes (31) are divided into at least a first portion and a second portion. The constant open water line (40) and the open-close water line (50) are independently connected with the first portion and the second portion respectively. B: A filter assembly (600) comprises a filter support plate (610) and a filter (620). The filter support plate (610) comprises a bottom frame (611) and a support ring (612). The bottom frame (611) comprises a bottom plate (6111) and a support wall (6112). The support wall (6112) surrounds the periphery of the bottom plate (6111), and extends upwards. The support ring (612) is provided above the bottom frame (611). The support ring (612) is connected to the top portion of the support wall (6112), and extends in a horizontal direction facing away from a filter mounting cavity (6113). A portable water feeder comprising the filter assembly (600) further comprises a water storage cup (100) having an open end (111), a mounting cover (200), an opening and closing mechanism (300), a button mechanism (400), and a water receiving tank (500). The filter assembly (600) covers the open end (111). The mounting cover (200) is detachably mounted at the open end (111) of the water storage cup (100). The opening and closing mechanism (300) comprises a connection column (310) slidably passing through a partition plate (210), a sealing plate (320) fixed at one end of the connection column (310), a slider (330) fixed at the other end of the connection column (310), and a first elastic member (340) sleeved on the connection column (310). The button assembly drives the slider (330) to slide in an axial direction of the mounting cover (200) towards the partition plate. An end of the water receiving tank (500) is fixedly sleeved on the mounting cover (200). A second vent hole (512) and a second water outlet hole (511) are provided in an upper position and a lower position of a side wall of the water receiving tank (500). The second water outlet hole (512) communicates with a first water outlet hole (212). The second vent hole (512) communicates with a first vent hole (213). When the filter assembly operates, water flows into the filter (600) from a filter hole, thereby achieving filtration. The filter assembly (600) has a simple and compact structure. C: Disclosed is an electric motor oil pump assembly, comprising: an electric motor assembly (200); an oil pump assembly (100); an inner soundproof cover (400), the inner soundproof cover (400) being sheathed outside the oil pump assembly (100) and defining, together with the oil pump assembly (100), an inner layer soundproof cavity (401) filled with low pressure oil, the inner layer soundproof cavity (401) being in communication with a low pressure cavity (101) of the oil pump assembly (100), and the inner soundproof cover (400) being provided with a soundproof cover cavity (402); a pre-tightening buffer assembly (300), the pre-tightening buffer assembly (300) comprising a piston (310) and an elastic member (320), the piston (310) being in cooperation with the soundproof cover cavity (402) and abutting against an upper end cover (110) of the oil pump assembly (100), and the elastic member (320) being used for providing a pre-tightening force for pressing the upper end cover (110). The soundproof cover cavity (402) is in communication with a high pressure cavity (102) of the oil pump assembly (100), so that the piston (310) presses the upper end cover (110) under the action of oil pressure. By filling the low pressure oil between the inner soundproof cover (400) and the oil pump assembly (100), the electric motor oil pump assembly is light in weight, small in space occupation, and low in manufacturing costs and working noise. Further disclosed is a steering system comprising the electric motor oil pump assembly and a vehicle comprising the steering system. D: Disclosed are an electric motor oil pump assembly (1000), a steering system and a vehicle. The electric motor oil pump assembly (1000) comprises: an electric motor assembly (200); an oil pump assembly (100); an inner soundproof cover (400), the inner soundproof cover (400) being sheathed outside the oil pump assembly (100), and defining, together with the oil pump assembly (100), an inner layer soundproof cavity (401) filled with low pressure oil, the inner layer soundproof cavity (401) being in communication with a low-pressure cavity (101) of the oil pump assembly (100), and the inner soundproof cover (400) being provided with a soundproof cover cavity (402); and a pre-tightening buffer assembly (300), the pre-tightening buffer assembly (300) comprising a piston (310) and an elastic member (320), the piston (310) being in cooperation with the soundproof cover cavity (402) and forming as an integral body with an upper end cover (110) of the oil pump assembly (100), and the elastic member (320) being elastically clamped between a top wall of the soundproof cover cavity (402) and the piston (310). The soundproof cover cavity (402) is in communication with a high pressure cavity (102) of the oil pump assembly (100), so that the piston (310) presses the upper end cover (110) under the action of oil pressure.

A

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed is an intelligent urinal, comprising a urinal (1), a flushing device (2) and a sensor (3), and further comprising a case (4), a cleaning device (5), a drying device (6), a control panel (7) and a main control board (8). The case (4) is installed above the urinal (1). The flushing device (2), the cleaning device (5), the drying device (6) and the main control board (8) are all installed inside the case (4). The control plane (7) is installed outside the case (4). The flushing device (2), the sensor (3), the cleaning device (5), the drying device (6) and the control panel (7) are all connected to the main control board (8). The main control board (8) is connected to a power supply line (9). A: Disclosed are a urinal and a urinal flushing control method. The urinal comprises a urinal body, a solenoid valve for starting and stopping flushing, a capacitive sensor for sensing the amount of urine on an outer wall of the urinal body, and a controller for receiving a capacitance value signal to control the turning-on and turning-off of the solenoid valve, wherein the controller sets a flush timing base point when it is determined that a capacitance value shows a downward trend after a first period of time has elapsed since the controller controlled the solenoid valve to be turned off, and same controls the solenoid valve to be turned on after the flush timing base point lasts for a second period of time. The solution can reduce the erroneous flush rate and improve the adaptability to the glaze of a urinal body. B: A boiling and cleaning device for quartz processing, comprising a deoiling tank (3), a boiling tank (4), an ultrasonic cleaning tank (5), a moisturizing tank (6) and a drying tank (7) which each comprise an infrared sensor and are arranged in sequence from left to right, a rack (1), an electric push rod (2), a PLC control device and a sliding plate (12); a material basket (21) is suspended at the lower end of the electric push rod (2), an induction switch (14) is provided on the rack (1), the electric push rod (2) is mounted at the bottom of the sliding plate (12), a spray nozzle (8) is mounted in each of the deoiling tank (3), the boiling tank (4) and the moisturising tank (6), and a cleaning liquid supply device (31), a thermostatic heating device (41), an ultrasonic generator (51), a water supply device (61) and a hot air blowing device (71) are respectively mounted at one side of the deoiling tank (3), of the boiling tank (4), of the ultrasonic cleaning tank (5), of the moisturising tank (6) and of the drying tank (7); the thermostatic heating device (41) can perform thermostatic heating on water in the boiling tank (4) to keep the water in a pseudo-boiling state, and the PLC control device controls working states of various devices and electronic components. The boiling and cleaning device for quartz processing has the advantages of automatically completing boiling, cleaning, blowing and drying processes of a quartz product, stable operation, high cleanliness, good control effect, etc. C: A hook-type washing machine, comprising a casing (1) and a single chip microcomputer for controlling operations of various devices and components, a washing chamber and a drying chamber being provided in an inner chamber of the casing (1) in sequence from bottom to top; a travelling mechanism (2) is provided on the side wall of the washing chamber, the travelling mechanism (2) being provided with a scrubbing device (9); and drying devices (6) are uniformly provided on the chamber wall of the drying chamber at intervals, a lifting device (5) is provided on the top portion of the drying chamber, the end of a rope of the lifting device (5) being connected to a hanging member (3). The hook-type washing machine is easy to operate and has low manufacturing cost; by means of the cooperation between the lifting hanging member (3) and the washing device, the laundry can be washed in a tidy and thorough manner, so that the laundry is not twisted together during washing, effectively reducing the wear rate of the laundry, facilitating for people to easily remove the laundry; in addition, since a double-layer structure is used, the laundry in the washing chamber can be lifted into the drying chamber for drying, and the dried laundry can be directly stored, having the advantages of being easy to use and a good washing effect, etc. D: A fully-automatic bionic digestive system for monogastric animals, comprising a housing (2), a constant-temperature air bath shaker (6), a bionic digestion device (4), an automatic enzyme supplementation device, a buffer circulating device, a cleaning device and a control circuit (5); an upper left part of the housing (2) is provided with a digestion reaction chamber (3), and the constant-temperature air bath shaker (6) is arranged within the digestion reaction chamber (3); the automatic enzyme supplementation device is fixedly mounted within the housing (2) and is connected with the bionic digestion device (4) by means of an infusion tube (58); the buffer circulating device and the cleaning device are arranged below the housing (2) and are respectively connected with the bionic digestion device (4) by means of the infusion tube (58); the control circuit (5) is arranged within the housing (2) and connected to the constant-temperature air bath shaker (6), the automatic enzyme supplementation device, the buffer circulating device and the cleaning device by means of conducting wires; the control circuit (5) is connected with an industrial control computer which is mounted in the housing (2), and the industrial control computer is connected with a display (1) installed above the housing (2) and to the right; and the bionic digestion device (4) is mounted vertically above the constant-temperature air bath shaker (6). The fully-automatic bionic digestive system for monogastric animals has a simple structure, is easy to use, and can prevent leakage of bionic digestion reaction solution. The digestion simulation carried out thereby features high accuracy, good reproducibility, and minimal errors.

A

Please select the most similar patent number from A, B, C and D. Which number is? Provided are a high-altitude greening lifting device and system, which relate to the technical field of vertical greening. The high-altitude greening lifting device comprises a flexible hoisting belt, fixing assemblies, an anti-deviation rope, and flowerpots, wherein the flexible hoisting belt clamps several flowerpots in a lengthwise direction through the fixing assemblies respectively; the anti-deviation rope is successively connected, in the lengthwise direction of the flexible hoisting belt, to the several fixing assemblies; and the fixing assemblies are detachable. Through the high-altitude greening lifting device provided in the present invention, installation of a large-area support is avoided by means of the design combining the flexible hoisting belt and the flowerpots; the design of the anti-deviation rope avoids safety accidents caused by drifting of the flowerpots with wind during a lifting process, and improves the typhoon resistance capability; and the fixing assemblies are detachable, which facilitates spacing adjustment of the flowerpots according to user requirements or seasonal changes, thus meeting usage requirements of users. A high-altitude greening lifting system which uses the high-altitude greening lifting device is additionally provided in the present invention, and the stability of the entire system is improved by means of installing an upper support and a lower support. A: A logistics lifting/lowering device and an operation method therefor. The logistics lifting/lowering device comprises a base plate (1); the bottom of the base plate (1) is uniformly provided with a plurality of shock-absorbing plates (4); omnidirectional wheels (5) are mounted on the shock-absorbing plates (4); one side of the top end of the base plate (1) is uniformly provided with a plurality of support rods (2); the top ends of all the support rods (2) are jointly fixedly connected to a top frame (3); a feeding mechanism (6) is mounted on the top frame (3); a mobile base (7) is mounted on the feeding mechanism (6); the bottom end of the mobile base (7) is fixedly connected to a lifting/lowering frame (8); a winch (10) is fixedly mounted on the bottom wall of an inner cavity of the lifting/lowering frame (8); a rotating shaft (11) is rotatably connected to the winch (10); an overhanging end of the rotating shaft (11) is fixedly connected to a wire roller (12); a rope (13) is wound around the wire roller (12); and a plurality of connection wires (14) are fixedly connected to a moving end of the rope (13). The whole hoisting or discharging process is automatically completed, such that the working intensity can be greatly reduced, quick operation can be conveniently realized, and the management efficiency can be improved; and because hoisting or discharging is completed by using a machine, the operation safety can be greatly improved, and the personal safety of a worker can be guaranteed. B: Disclosed is a lifting device for aerial operations, comprising a vehicle body (5), a lower bracket (7) installed on a bottom part of a safety ladder (14), a host drive (9) fixed on the lower bracket (7) for providing lifting power, an upper bracket (1) installed on a top part of the safety ladder (14), a hauling cable (4) for connecting the upper bracket (1), the vehicle body (5) and the host drive (9), and a sliding rail (2) installed on the safety ladder (14); and further comprising an anti-dropping device (3) installed on the sliding rail (2), a guiding device assembly (12) installed on a rear part of the vehicle body (5), a stalling protection device (11) installed on the guide rail (2) and fitted with the vehicle body (5), a foldable pedal (6) installed on the lower part of the vehicle body (5) for loading people and commodities, an operation handle (13) fixed on the upper part of the vehicle body (5) and a limiting bracket (16) installed on an upper part of the safety ladder (14); wherein the vehicle body (5) is driven by the host drive (9) via the hauling cable (4) to move up and down along the guide rail (2), so as to realize the purpose of transferring people and commodities by moving the vehicle body up and down, and during installation, there is no need to change the original structure of the safety ladder. C: The present invention relates to the field of engineering equipment, such as a marine wind power installation ship and a marine oil drilling platform, and in particular, to a lifting device for a marine platform and a marine platform. The lifting device comprises: a first beam body; a second beam body fixedly connected to the marine platform; a lifting drive member, the first beam body being connected to the second beam body by means of the lifting drive member; snap-fitting racks fixedly connected to pile legs; two snap-fitting devices, one of which is connected to the first beam body, and the other of which is connected to the second beam body, each snap-fitting device comprising a clamping block adapted to the snap-fitting rack, and the clamping block and the snap-fitting rack can be snap-fitted or separated. The marine platform comprises the described lifting device for a marine platform. The snap-fitting racks of the lifting device for a marine platform provided in the present invention are easily aligned and fitted with the snap-fitting devices, so that a hydraulic station and a hydraulic cylinder can be prevented from being in an operating state for a long time, thereby improving safety. The present invention also has a good effect in use in an environment with an uneven seabed. D: A multifunctional flowerpot rack for an ecological garden, relating to the technical field of landscaping, and mainly resolving the problems, of a common flowerpot rack on the current market, of having a plain shape and a single function, and being able to hold only one flowerpot generally. A lampshade (1) is provided at the top end and is of a trapezoidal hollow structure; a bulb (2) is mounted on the surface of the hollow of the lampshade (1); a water outlet pipe (3) is of a crown structure; small flowerpots (4) are provided close to the top end of the flowerpot rack; large flowerpots (5) are mounted below the small flowerpots (4); the bottom end of the water outlet pipe (3) is connected to a water pump (6); the water pump (6) is communicated with a water pump pipe (8); a vine pot (7) is provided at the lowest end of the flowerpot rack. The flowerpot rack is suitable for the growth of various potted and vine plants, light emitted by the bulb (2) is reflected by the surface of the hollow of the lampshade (1) and thus is evenly scattered during usage, the light of the bulb is soft, heat emitted by the bulb may meet the needs of plants for temperature, the environment is beautified, and the flowerpot rack is also suitable for use as a garden lamp and saves planting space.

D

Please select the most similar patent number from A, B, C and D. Which number is? A CFRP suspension strip intersecting cable support structure, suitable for the field of large-span spatial structures, and comprising a flat circular outer ring (1), CFRP suspension strips (2) being anchored on the circular outer ring (1) with wave-shaped anchors, the CFRP suspension strips (2) being interlaced to form a flat cable net, the cable net being arranged in the shape of a sunflower, in the shape of a square or in an irregular shape according to requirements, gravity rigidity blocks (3) being arranged at intersection nodes for clamping. The structure is not provided with an inner ring, the cable force is evenly distributed among the CFRP suspension strips (2), and the breaking of one CFRP suspension strip (2) would not cause the overall collapse of the structure. The structure has strong continuous collapse resistance and good robustness. The structure uses the single-layer flat cable net, the gravity rigidity blocks (3) at the various nodes are used to resist wind suction forces, and the overall structure is lightweight and aesthetically pleasing. Traditional rigid cables are replaced with the CFRP suspension strips (2), so as to reduce the amount of cable, decrease the total cost of the structure, and achieve a good economic effect. A: A highly safe large floating structure, comprising an upper structure (1), intermediate connection structures (2), and lower floating body structures (3). The lower floating body structures (3) comprise multiple distributed floating bodies (31), and have an ultra-large waterline area as a whole. Some outer floating bodies (31) in the lower floating body structures (3) are solid-like floating bodies. The intermediate connection structures (2) are spatially distributed, and comprise connection structures intersecting the horizontal plane and/or being parallel to the horizontal plane. The connection structures intersecting the horizontal plane provide safe restoring forces. The lower floating body structures (3) are connected to the upper structure (1) by means of the intermediate connection structures (2). The large floating structure as a whole is ultra-flat. The floating structure has a multi-redundancy mechanism in structural integrity, anti-sinking, and anti-overturning capability, and has high universality and an ability to sail away from storms. When the most unfavorable sea conditions that can be foreseen appear or when the most unfavorable recorded accidents including collisions, hitting the rocks, stranding, and abnormal displacement of goods occur, it can be ensured that the overall structure of the floating structure does not disintegrate and the floating structure does not capsize and sink. Thus, the safety of persons on the floating structure can be ensured while ensuring the safety of the overall structure of the floating structure. B: The present invention relates to the technical field of buildings, and in particular, to a cable net assembly, a building and a building construction method. The cable net assembly comprises a ring cable structure, a first connector, and a plurality of radial cables. The radial cables are connected to the ring cable structure and the first connector, respectively. The radial cables are arranged in the circumferential direction of the ring cable structure. The radial cables comprise at least two inner radial cables and outer radial cables. All the inner radial cables intersect with the end connected to the first connector. All the outer radial cables intersect with the end connected to the first connector. The ends of the inner radial cables away from the first connector are connected to the ring cable structure. Therefore, two ends of the first connector are connected to the inner radial cables and the outer radial cables respectively, connection of the inner radial cables and the outer radial cables is achieved, and the inner radial cables and the outer radial cables can be stressed integrally. All the outer radial cables and the inner radial cables intersect with the first connector, such that the inner radial cables and the outer radial cables form a fish-bellied type intersecting structure, and the overall stability of the cable net assembly is improved. C: A CFRP material-based electrically-promoted heterogeneous catalysis and recovery apparatus and control method therefor. The apparatus comprises an external power supply (100), an electrolytic cell (300) containing an electrolyte (200), and a CFRP sample (400) and a metal sheet (500) each having one end inserted into the electrolyte (200). The electrolyte (200) comprises chloride ions and phosphotungstic acid. The other end of the CFRP sample (400) is connected to the positive electrode of the external power supply (100), and the other end of the metal sheet (500) is connected to the negative electrode of the external power supply (100). The heterogeneous catalysis and recovery apparatus features a simple structure and low costs, and is able to recover carbon fibers with good performance from a CFRP material in a short period of time by optimizing current parameters and the concentration of a catalyst. D: A basic module of a very large floating structure, consisting of lower floating body structures (3), an upper structure (1), and intermediate connection structures (2). The lower floating body structures (3) comprise multiple distributed floating bodies (31), and have an ultra-large waterline area as a whole. The sum of the displacement volumes of the floating bodies is greater than the equal volume of water of the full weight of the floating structure. The upper structure (1) is of a frame structure or a box structure. The intermediate connection structures (2) are spatially distributed. The lower floating body structures (3) are connected to the upper structure (1) by means of the intermediate connection structures (2) to form a statically indeterminate combined space structure. The basic module as a whole is ultra-flat. Two basic modules can be combined once to form a very large floating structure at the kilometer level. The basic module has a strong resistance to wave-excitation loads and load changes, and a strong anti-sway stiffness. Relative movement of basic modules during combination and connector loads after combination can be greatly reduced.

B

Please select the most similar patent number from A, B, C and D. Which number is? Noise-reduction bricks having a bell mouth, each brick comprising a brick body (1). One bottom surface of the brick body (1) is concave inward to form a bell shape; the thin end of a bell mouth (2) is connected to a sound absorption cavity (3); sound absorption cotton (4) is placed in the sound absorption cavity (3); and a reflection cover (5) is arranged at the bell mouth (2). Each brick is an independent noise-reduction unit, and the bricks are combined by means of bricklaying to build sound-absorbing wall surfaces or sound-absorbing buildings. The noise-reduction bricks having a bell mouth have a simple structure and good sound absorption and noise reduction effects. A: Provided is a sound absorption plate with a unit structure. The sound absorption plate comprises an ultramicropore sound absorption panel (1), a side plate (2) and a sound absorption back plate (3). The edge parts of the ultramicropore sound absorption panel (1) are connected with the sound absorption back plate (3) through the side plate (2) and thus form a sound absorption resonant cavity (4). The material of the ultramicropore sound absorption panel (1) is a metal material carrying nano microspheres (5). A sound absorption metal thin film (6) carrying nano microspheres (5), parallel to the ultramicropore sound absorption panel, is arranged inside the sound absorption resonant cavity (4). A pore size of the nano microspheres in the ultramicropore sound absorption panel (1) and the sound absorption metal thin film (6) is 100-1000 nm. The sound absorption plate has a simple structure, simple and convenient manufacture and assembly, a wide sound absorption band and a good noise reduction effect, and is suitable for ceiling and wall decorations of buildings. B: Dust pretreatment equipment for grab ship unloading in a port, comprising a hopper (1). A feed pipe (2) is fixedly connected to the bottom of the hopper (1); a sliding groove (3) is fixedly connected to one side of the hopper (1); a slider (4) is slidably connected in the sliding groove (3); a bell mouth (5) is mounted at the top of the slider (4); an air inlet pipe (6) is fixedly connected to the bell mouth (5); a fan (7) is fixedly connected to one end of the air inlet pipe (6); the fan (7) is fixedly mounted at one side of the hopper (1); an air outlet pipe (8) is fixedly connected to one side of the fan (7); a dust collection box (9) is fixedly connected to one end of the air outlet pipe (8). In the equipment, a gear (11) works in conjunction with a rack (10), such that the slider (4) and the bell mouth (5) can be pushed to slide back and forth, and the dust floating on the hopper (1) can be absorbed by means of the bell mouth (5); the equipment is convenient and effective. C: A vacuum pump having a good noise reduction effect, comprising a casing body (1). A sound insulation plate (2) is fixedly connected to an inner wall of the casing body (1); a sound absorbing cover (3) is provided penetrating through the right side of the casing body (1); springs (4) are fixedly connected to two sides of the bottom of the inner cavity of the sound insulation plate (2); tops of the springs (4) are fixedly connected to a movable plate (5); a connecting plate (6) is provided on the top of the movable plate (5); a pump body (7) is fixedly connected to the top of the connecting plate (6); an oil cavity (8) is fixedly connected to the bottom of the inner cavity of the sound insulation plate (2); by means of the cooperation of the casing body (1), the sound insulation plate (2), the sound absorbing cover (3), the springs (4), the movable plate (5), the connecting plate (6), the pump body (7), the oil cavity (8), a piston rod (9), a connecting rod (10) and a connecting block (11), the vacuum pump achieves the purpose of a good noise reduction effect, is capable of effectively carrying out noise reduction on noise generated by the vacuum pump, avoids troubles to users, improves the experience of the users to the vacuum pump, satisfies demands of the market today, improves the practicability and usability of the vacuum pump, and solves the problem of a poor noise reduction effect of conventional vacuum pumps. D: A device capable of bringing stimulation by means of blow and suction comprises an enclosed hood (1). A hood boy opening used for being in contact with a human body is formed in the bottom end of the enclosed hood (1). A control circuit board (2) is disposed in the enclosed hood (1). A vibration horn (3) is electrically connected to the control circuit board (2). The mouth of the vibration horn (3) is open to the hood boy, and an air blowing channel (4) is formed between the mouth and the hood boy. The control circuit board (2) can be connected to a power supply to connect a sound source circuit to drive the vibration horn (3) to vibrate and to form an air flow in the air blowing channel (4). By using the device capable of bringing stimulation by means of blow and suction, when the vibration horn (3) vibrates, a volume-variable cavity is formed, so that the human body in the enclosed hood (1) is in an environment in which a negative pressure and a positive pressure fast alternates, and an erogenous zone more easily engorges with blood. In addition, the vibration horn (3) is used as a main driving component, the vibration stroke and frequency of the vibration horn (3) can be conveniently adjusted by means of audio, and accordingly, the change frequency and the change extent of an air pressure and an air flow in each of the enclosed hood (1) and the air blowing channel (4) can be adjusted.

A

Please select the most similar patent number from A, B, C and D. Which number is? A floor installation tool and installation device. The floor installation tool comprises: a telescopic member; a hook, the hook being pivotally provided on the telescopic member, the hook having an initial position on the telescopic member, the side of the hook close to the telescopic member being provided with a hook part, the hook part being used for fitting in a slot to hook floor, and the hook part being configured to be rotatable within a limited angle range relative to the slot; and an elastic member, the elastic member being arranged between the hook and the telescopic member, and the elastic member being configured to drive the hook to rotate toward the initial position. A: A refrigerator, which comprises: a box body, which has an inner cavity, the inner cavity having a defined storage compartment having a front opening; a side-by-side door assembly, which comprises a first door body and a second door body respectively arranged in a pivoting manner at two sides of the front opening of the storage compartment, so as to open or close the storage compartment; a vertical beam assembly, which is in whole rotatably mounted at a side of the first door body away from a center of pivot of the first door body, and which abuts against the second door body when the first door body and the second door body are closed, so as to seal a crack between the first door body, the second door body, and the box body; and the vertical beam assembly comprises: a vertical beam main body; and an extending and retracting member, which is extendably arranged at a bottom end of the vertical beam main body, and which abuts against a bottom wall of an inner cavity of the storage compartment. By means of arranging the extending and retracting member which abuts against the bottom wall of the inner cavity of the storage compartment at the bottom end of the vertical beam assembly, a crack between the vertical beam assembly and the bottom wall of the inner cavity is thereby eliminated, and sealing between the vertical beam assembly and the box body is improved. B: The present application provides a floor installation mechanism, a floor installation device and a floor installation method. Said mechanism comprises a connecting seat, a base, a hook plate, a knocking assembly and an elastic element. The base is slidably connected to the connecting seat. The hook plate comprises a hook portion for hooking a side edge of a floor to be installed. The knocking assembly can apply a knocking force to the hook plate. A first end of the elastic element acts on the base, a second end of the elastic element acts on the connecting seat, and the elastic element can transmit, by means of the base, a tensioning force in a knocking direction to the hook plate. Said device comprises a driving mechanism and the described floor installation mechanism, the driving mechanism being connected to a connecting seat. Said method comprises: hooking a hook portion of a hook plate to a side edge of a floor to be installed; driving a connecting seat to accumulate elastic potential energy for an elastic element; and applying a knocking force to the hook plate by means of a knocking assembly. C: The present application provides a pressure conduction mechanism and a charging bow used thereby, which relate to the technical field of charging devices. The pressure conduction mechanism comprises a bracket, a rocker assembly, an elastic assembly, a telescopic member and a force-applying member, wherein the rocker assembly comprises a first rocker and a second rocker; the force-applying member is used for applying a force to the second rocker; the elastic assembly comprises a first elastic member and a second elastic member; and two ends of the telescopic member are respectively hinged to the first rocker and the second rocker, the telescopic member can drive the movement of the second rocker, and when the telescopic member drives the second rocker to fall to a fifth pre-set position, the force applied to the second rocker is downward and constant. D: A refrigerator, comprising a refrigerator body (30), a first door body (10), a second door body (20), a vertical beam (50), and a driving mechanism (60). The driving mechanism (60) comprises a telescopic member (61) that may be at an extension position where the rear end of the telescopic member projects and extends out of the surface of the inner side of the first door body (10) or at a retraction position of retracting from the extension position to the interior of the first door body (10) by a preset distance; an elastic member (62) applies an elastic force to the telescopic member (61) to prompt same to move towards the extension position; a rotating member (63) is mounted on the first door body (10) to be rotatable around a second vertical axis and is mounted on the telescopic member (61) to be rotatable around a third vertical axis (X3); a sliding channel (631) is formed in the rotating member (63); a sliding column (64) is fixed to the vertical beam (50) and is slidable along the sliding channel (631). When the first door body (10) is in an open state, the telescopic member (61) is at the extension position, and the vertical beam (50) is in a folded state; and during the closing of the first door body (10), the telescopic member (61) is blocked by the refrigerator body (30) and moves towards the retraction position to drive the rotating member (63) to rotate around the second vertical axis (X2), so that the sliding channel (631) pushes the sliding column (64) to drive the vertical beam (50) to rotate to an unfolded state.

B

Please select the most similar patent number from A, B, C and D. Which number is? A mountable fireproof plate and a fixing structure thereof, comprising: a support member (2), a positioning mounting piece (3), a fireproof plate (5), and a positioning mounting pipe (6), wherein the support member (2) is installed inside a wall (1) and is fixedly connected to one end of the positioning mounting piece (3) through a bolt (4), the other end of the positioning mounting piece (3) fits with and is inserted into the positioning mounting pipe (6), and the positioning mounting pipe (6) is fixedly connected to the fireproof plate (5). The fireproof plate (5) comprises a base plate layer (51), a single plate reinforcement layer (53) and a surface plate layer (55). The mountable fireproof plate can be conveniently mounted and removed without damaging the fireproof plate, has the appearance of wood, and provides good fire protection performance. The surface of the fireproof plate does not need to be processed with spray paint, does not release formaldehyde, reducing air pollution, and provides excellent sound and heat insulation. A: A fire protection structure applied to a segment joint of an immersed tunnel and having a linear moving mechanism comprises a watertight band assembly (10) and a fire protection assembly (30) that are connected between two adjacent tunnel segments (40, 50) and spaced apart from each other. The fire protection assembly (30) is positioned at an inner side of the watertight band assembly (10). The fire protection assembly (30) comprises: a protection plate assembly (31), comprising a first fire protection plate assembly (311) and a second fire protection plate assembly (313) that are spaced apart from each other and a heat insulation member (312) fixed therebetween; a movable connecting assembly (33), the first fire protection plate assembly (311) and the second fire protection plate assembly (313) being movably connected to the second tunnel segment (50) by means of the movable connecting assembly (33); and a flexible fire protection band (35), positioned between the first fire protection plate assembly (311) and the second fire protection plate assembly (313), wherein one end of the flexible fire protection band (35) is connected to the heat insulation member (312), and the other end thereof is connected to the second tunnel segment (50). B: A structure for connecting a pillar of an aluminum alloy house to a wallboard, a door and a window. The structure comprises an aluminum alloy pillar (13), an aluminum alloy door or window frame (8), an aluminum alloy door or window sash (10), a C-shaped steel frame member (20), an aluminum alloy exterior wallboard (19), an aluminum alloy wallboard assembling frame (3) and an aluminum alloy door and window subframe (6). The aluminum alloy wallboard assembling frame (3), the aluminum alloy exterior wallboard (19), the C-shaped steel frame member (20), a heat-insulating fire-resistant calcium silicate board (2) and an interior decorative panel (1) are combined to form a modular assembled wallboard. The modular assembled wallboard fastens the aluminum alloy wallboard assembling frame (3) onto the aluminum alloy pillar (13) through a fastener. The aluminum alloy door and window subframe (6) is provided with a waterproof groove (5) therein. The aluminum alloy door and window subframe (6) is connected to the aluminum alloy door or window frame (8) pre-installed with the aluminum alloy door or window sash (10) through a fastener. The structure has an easy connection, short construction period, convenient installation, and good effects of heat insulation and preservation, sound insulation, water resistance, and fire resistance. C: A structure with a detailed log wall decorative surface comprises an interior decorative plate (10), a first structural plate (1), a light-steel support member (2), a second structural plate (3), a support member (5) and an exterior decorative plate (6) which are sequentially arranged from inside to outside. The surface of the exterior decorative plate (6) is provided with continuous circular, semi-circular or protruding columns. The support member (5), the second structural plate (3) and the light-steel support member (2) are fixed together by means of a plurality of first self-tapping screws (7). The exterior decorative plate (6) is fixed to the support member (5) by means of a plurality of second self-tapping screws (8). The second self-tapping screws (8) are located between two adjacent columns, and the exterior decorative plate (6) is parallel or perpendicular to the support member (5). The decorative surface structure of the log wall adopts a whole-piece molding process, and has the advantages of light weight, quick installation, high application efficiency, and good fire protection performance. D: A car and a vehicle body. The car comprises a car body (10). The car body (10) comprises a first side wall (110) and a second side wall (120) adjacent to each other. An electrical cabinet is disposed in the car body (10) and located at a joint between the first side wall (110) and the second side wall (120). A fireproof cabinet (200) is connected to the car body (10) and provided over the outer side of the electrical cabinet. The fireproof cabinet (200) is made of fireproof composite boards which comprise fireproof boards (310), first aluminum plates (320), light-core rigid boards (330) and second aluminum boards (340), wherein the fireproof boards (310) face away from the electrical cabinet. Since the fireproof cabinet (20) is arranged on the outer side of the electrical cabinet, the electrical cabinet itself does not have to be fireproof. The periphery of the fireproof cabinet (20) is connected to the car body (10) such that the fireproof cabinet and the car body (10) form a closed space to guarantee the fireproof capability. The fireproof cabinet (20) is made of fireproof composite boards, which are lighter, do not generate harmful gas and are more environmentally friendly compared to simple fireproof boards.

C

Please select the most similar patent number from A, B, C and D. Which number is? A high-security clutch electronic lock cylinder comprises a lock cylinder body (11), a lock cylinder core (2), a slide block (7), a transmission apparatus, an electric driver, an unlocking piece (8), and an unlocking piece housing (9). The slide block (7) is connected to a power output end of the electric driver by means of the transmission apparatus. The center of the end of the slide block (7) away from the electric driver is provided with an end head (7b). The end of the unlocking piece (8) near the slide block (7) is provided with a slot (8a); the end of the unlocking piece (8) away from the slide block (7) is provided with a compression spring (10). The end of the compression spring (10) away from the unlocking piece (8) is in contact with the inner wall of the unlocking piece housing (9). The slide block (7), the unlocking piece (8) and the compression spring (10) form a clutch structure for the electric lock cylinder. A: A magnetic core material receiving and boxing apparatus, comprising a storage box (1), a support structure (2) being arranged on both the right side and the left side of the inner cavity of the storage box (1), a placement plate (3) being arranged above the support structures (2), a placement box (4) being fixedly connected to the bottom of the placement plate (3), a clamping structure (5) being arranged on the top of the placement plate (3), a sealing structure (6) being arranged on the front surface of the storage box (1), a connecting plate (7) being fixedly connected to the top of the inner cavity of the storage box (1), a sliding groove (8) being disposed on two sides of the bottom of the connecting plate (7), a sliding block (9) being slidably connected in the sliding groove (8), a tensile spring (10) being arranged in the sliding groove (8), the two ends of the tensile spring (10) respectively being welded to the inner wall of the sliding groove (8) and the surface of the sliding block (9), a moving rod (11) being movably connected to the bottom of the sliding block (9) by means of a moving shaft, and a pressing plate (12) being fixedly connected to the end of the moving rod (11) furthest from the sliding block (9) by means of the moving shaft. B: A linear actuator, comprising a drive circuit board (1) and a bracket (8) mounted thereupon, said bracket comprising a motor (7) seat and a slide block (4) seat; two end faces of the slide block seat are provided with threaded holes, with two ends of a lead screw (7) passing through said threaded holes; a slide block (4) is provided on the lead screw and meshedly engaged therewith, said slide block being positioned between the two end faces of the slide block seat; a brush (3) is provided on the side of the slide block (4) away from the motor base, said brush (3) being provided with a connection face and a brush face; a potentiometer (2) is fixedly connected by a bolt (6) to the side face of the slide block seat of the bracket (8) away from the motor seat, two strips of carbon film (21, 22) are longitudinally arranged in parallel on the face of the side of the potentiometer (2) near the slide block (4), with the brush face of the brush (3) being in contact with the two carbon films (21, 22); the output shaft of a motor (7) is provided with a driving gear (13), the end of the lead screw (10) near the driving gear (13) is provided with a driven gear (9); the driving gear (13) and the driven gear (9) are meshedly engaged with each other. C: A portable haptic feedback capacitive stylus for interaction on a mobile terminal comprises a tip (1), a sleeve ring (2), a first housing (3), a connecting cylinder (8), a second housing (5), an end-portion housing (16), a motor (4), a spring (9), a slider (10), a screw rod (11), a photoelectric code disc (12), a measurement and control module, a vibration touch module (7), and a power supply (15). The first housing (3) comprises a front housing and a rear housing, and a limit groove (302) is disposed in an inner wall of the first housing (3). The tip (1) is fixedly connected to one end of the connecting cylinder (8), and the one end of the connecting cylinder (8) passes through an end-portion through hole of the front housing. A clearance fit is provided between the sleeve ring (2) and the connecting cylinder (8). One end of the screw rod (11) is connected in the connecting cylinder (8), and the one end of the screw rod (11) is connected to the motor (4). The slider (10) is sleeved over the screw rod (11), and the slider (10) and the screw rod (11) fit each other. One end of the spring (9) is connected to the slider (10), and the one end of the spring (9) is connected to the sleeve ring (2). The photoelectric code disc (12) is connected to the motor (4), and the measurement and control module is separately connected to the photoelectric code disc (12) and the motor (4). The haptic feedback capacitive stylus solves a problem that haptic interaction on a mobile terminal is difficult to implement, and can generate continuous haptic feedbacks. D: An unexpected unlocking proof electronic lock, comprising a lock cylinder core (10), a control circuit (7) and a clutch sleeve (20), the control circuit (7) being provided in the lock cylinder core (10), and a key hole being formed in the lock cylinder core (10); the electronic lock further comprises a transmission system, a power shaft (14), a clutch cam (19), a key clamping cam (13), a key clamping pin (12) and a suspension frame, and the lock cylinder core (10) is further provided with a clamping jaw (3), a torsion spring (18) and a clamping jaw motor (17); one end of the clamping jaw (3) is connected to an output shaft of the clamping jaw motor (17), one end of the torsion spring (18) is fixed to the suspension frame, and the other end of the torsion spring is connected to the clamping jaw (3); and the key clamping cam (30) is provided with a limiting groove, and the lock cylinder core (10) is provided with a limiting pin (8). Said electronic lock has low power consumption, a small size and strong violence resistant performance.

D

Please select the most similar patent number from A, B, C and D. Which number is? An anti-theft alarm device for a safe comprises a main control chip (1), an alarm monitoring circuit (2), a vibration sensing device (3), a signal receiving device (4), and a signal transmitting device (5). The alarm monitoring circuit (2), the vibration sensing device (3), the signal receiving device (4), and the signal transmitting device (5) are all connected with the main control chip (1). The present invention has high degree of intellectualization and reliable safety performance. A: Provided is a device for monitoring states of a door and a window. The device comprises a housing (3) provided with a groove (2). A signal sensing mechanism in the housing (3) comprises a first fixed sensing sheet (4) and a second fixed sensing sheet (9). The upper end and the lower end of an elastic connection member (7) in the groove (2) are respectively fixed on a first movable sensing sheet (6) and the second fixed sensing sheet (9). An insulation connection rod (1) is mounted on the first movable sensing sheet (6). The upper part of the connection rod (1) protrudes over the first fixed sensing sheet (4). A movable sensing sheet (8) is mounted on the lower end of the connection rod (1). A distance between the second movable sensing sheet (8) and the second fixed sensing sheet (9) is equal to a distance formed when the upper part of the connection rod (1) protrudes over the first fixed sensing sheet (4). The first fixed sensing sheet (4), the second fixed sensing sheet (9), the first movable sensing sheet (6) and the second movable sensing sheet (8) are all connected to a signal receiver (10). The device has a simple structure, can be used for monitoring a door and window system having higher air tightness and temperature keeping performance, can implement the monitoring in real time, and can improve the safety of a door and a window in use. B: A P2P network based anti-theft system for a safe comprises a safe body (1), a monitoring device (2), a control device (3), a communication device (4), a server (5), and a client (6). The monitoring device (2), the control device (3), and the communication device (4) are all mounted on the safe body. The monitoring device (2) and the communication device (4) are both connected with the control device (3). The communication device (4), the server (5), and the client (6) are communicationally connected over a P2P network. The anti-theft system for a safe has a good information transmission effect and a low requirement for the server. C: A downhole detector, comprising: a waterproof housing (1), a top portion of the waterproof housing (1) being provided with a lifting ring, while the waterproof housing (1) is provided therein with a circuit cavity (3) and a battery cavity (4); the battery cavity (4) is provided therein with a power supply battery, which is used for supplying power to a detector, and the circuit cavity is provided therein with a monitoring circuit; the monitoring circuit comprises a main control chip and a communication device, which is in signal connection with the main control chip, the communication device comprising a communication chip and an antenna; an oxygen concentration detector (5) is provided on the waterproof housing (1), the oxygen concentration detector (5) being in signal connection with the main control chip; by means of a simple structural design, when a downhole situation requires detection, the detector is lowered into a downhole by using only a rope and may carry out detection. D: Provided is a downhole detector, comprising a waterproof outer housing (1); the top of said waterproof outer housing (1) is provided with a suspension ring (2), the waterproof outer housing (1) is internally provided with a circuit chamber (3) and a battery chamber (4), and said battery chamber (4) is internally provided with a power supply battery used for supplying power to the detector; the circuit chamber is internally provided with a monitoring circuit, said monitoring circuit comprising a main control chip and a communications device signally connected to said main control chip; said communications device comprises a communications chip and an antenna; the waterproof outer housing (1) is provided with an oxygen-concentration measurement device (5), said oxygen-concentration measurement device (5) being signally connected to the main control chip; by means of a simple structural design, it is possible to place the detector into a well using only a cord and perform detection when it is necessary to do so in a downhole setting.

B

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed are a return device and a windproof roller shutter. The return device comprises an end cover (10), a sliding component (21) and a fixing plate (20), wherein the end cover (10) is provided with a sliding slot (131); the sliding slot (131) is obliquely disposed; the horizontal height of a first end of the sliding slot (131) is higher than that of a second end of the sliding slot (131); the sliding component (21) moves along the sliding slot (131); the fixing plate (20) is mounted at one end of a roller tube (50); and the sliding component (21) is mounted on the fixing plate (20). The windproof roller shutter comprises the roller tube (50), a shutter body (60), a lower rail (55), two side rails (40) and two return devices. The return device can effectively reduce friction between the shutter body and the side rails when the shutter body is raised or lowered so as to ensure that the windproof roller shutter can be raised or lowered smoothly. A: Disclosed is an opening and closing structure for a cosmetic container, comprising a shell (10) and a middle binding core (20). The shell (10) comprises an outer cover (11), an inner cover (12), a middle ring (13) and a bottom cover (14). A side wall at a lower part of the outer cover (11) is provided with a first sliding groove (111) along the axial direction. The inner cover (12) is sheathed in the lower part of the outer cover (11). A side wall of the inner cover (12) has a first sliding column (121) provided in the first sliding groove (111) in a sliding manner. An inner wall of the middle ring (13) is provided with a first spiral groove (131), and is sheathed on the lower part of the outer cover (11) in a rotating manner, so that the first sliding column (121) is provided in the first spiral groove (131) in a sliding manner. An upper edge of the bottom cover (14) is connected to a lower edge of the outer cover (11) in a fixed manner. The middle binding core (20) is stuck in an inner cavity formed by the bottom cover (14) and the inner cover (12). By rotating the middle ring (13), the middle binding core (20) is automatically ejected downwards, and can automatically return to the shell (10) by directly pressing the bottom after use, thereby breaking through the traditional method of use whereby a cover is pulled out, and increasing the overall simplicity and convenience. B: An electronic device (200) and a folding mechanism (100). The folding mechanism (100) comprises a first supporting member (10), a second supporting member (20), a bendable fixing assembly (30), a connecting assembly (40), a first sliding assembly (50), and a second sliding assembly (60). The first supporting member (10) is provided with a first sliding slot (11). The second supporting member (20) is provided with a second sliding slot (21). Two opposite sides of the fixing assembly (30) are respectively fixed on the first supporting member (10) and the second supporting member (20). The connecting assembly (40) is fixed on the fixing assembly (30), and the connecting assembly (40) comprises a connecting rotating shaft (41). The first sliding assembly (50) comprises a first sliding portion (51) and a first rotating portion (52); the first sliding portion (51) is mounted in the first sliding slot (11) and is slidable with respect to the first supporting member (10); the first rotating portion (52) is rotatably mounted on the connecting rotating shaft (41). The second sliding assembly (60) comprises a second sliding portion (61) and a second rotating portion (62); the second sliding portion (61) is mounted in the second sliding slot (21) and is slidable with respect to the second supporting member (20); the second rotating portion (62) is rotatably mounted on the connecting rotating shaft (41). C: Provided is a roller shutter which is convenient to mount, comprising a roller shutter body (1) with a reel pipe (2), wherein a positioning sleeve (41) embedded in the reel pipe (2) and a retractable fixing assembly (4) located in the positioning sleeve are arranged on at least one end of the roller shutter body (1); the positioning sleeve (41) is fixedly connected to the reel pipe (2); the positioning sleeve (41) and the retractable fixing assembly (4) can rotate in a relative manner; and the retractable fixing assembly (4) comprises a self-locking retractable mechanism and a retaining plug assembly for bearing against a wall surface to increase a friction force. The roller shutter is convenient to mount and dismount, and the distance between fixed points at two sides of the roller shutter can be adjusted according to the width of a window. D: An interventional instrument assistive control member (100) for positioning an interventional instrument (200). The interventional instrument assistive control member (100) comprises a supporting frame (10) and at least one sliding assembly (20); the interventional instrument (200) is detachably connected to the sliding assembly (20); the supporting frame (10) comprises a sliding guide rod (13); the sliding guide rod (13) is provided with at least one gear rack (131) along the length direction of the sliding guide rod; the sliding assembly (20) comprises a sliding block (21) and an adjustment mechanism (23) detachably provided on the sliding block (21); the adjustment mechanism (23) comprises a limiting portion (235) and a gear (234) fixedly connected to the limiting portion (235); when the sliding assembly (20) is mounted on the sliding guide rod (13), the sliding block (21) is sleeved on the sliding guide rod (13), the gear (234) is engaged with the gear rack (131), and the limiting portion (235) is limited between the sliding guide rod (13) and the sidewall of the sliding block (21); and when the sliding assembly (20) is separated from the sliding guide rod (13), the adjustment mechanism (23) can be separated from the sliding block (21). Further provided is an interventional medical system comprising the interventional instrument (200) and the interventional instrument assistive control member (100).

C

Please select the most similar patent number from A, B, C and D. Which number is? A device for reducing annulus drilling fluid pressure at well bottoms, comprising a central shaft, and a cylinder body sleeved on the outside of the central shaft; the central shaft comprises, in order, a force transmission shaft (1) connected to a fluid re-distribution plunger (2); the cylinder body comprises a spline cylinder (3), an elastic-element protection cylinder (4), a connector (5), and a pressure reduction cylinder (6), which are connected in said order; the elastic-element protection cylinder and the connector are sleeved on the outside of the force transmission shaft, and an elastic element (7) is arranged between said protection cylinder and the force transmission shaft; the pressure reduction cylinder is sleeved on the outside of the fluid re-distribution plunger, a first fluid storage cavity (9) is formed between the pressure reduction cylinder, the connector, and the fluid re-distribution plunger, and a second fluid storage cavity (10) is formed between the pressure reduction cylinder and the fluid re-distribution plunger; a first inlet channel (11) and a first fluid discharge channel (12) are formed on the connector, and a second inlet channel (13) and a second fluid discharge channel (14) are arranged on the pressure reduction cylinder; the first inlet channel and the second inlet channel are each provided with a suction valve (15, 17), and the first fluid discharge channel and the second fluid discharge channel are each provided with a fluid discharge valve (16, 18). By using drill string vibration as a source of energy, the present device reduces the risk associated with drill string vibration and reduces the drilling fluid pressure at well bottoms, while increasing rock-breaking efficiency. A: A deflation device for ejection overload control of a rocket ejection seat. The deflation device comprises single joints (1), a valve seat (4), and an electric initiator (7); the single joints (1) are provided on outer cylinders (10) of an ejection mechanism in one-to-one correspondence, the single joints (1) are in sealing communication with the top ends of the outer cylinders (10), and all the single joints (1) are in sealing communication with a multi-way joint (3) by means of respective guide pipes (2); the valve seat (4) is provided with a first channel and a second channel, the multi-way joint (3) is connected to the valve seat (4) and an outlet end of the multi-way joint is in sealing communication with an inlet of the first channel, an outlet of the first channel is communicated with the atmosphere, a piston rod (9) that cannot be detached is fitted in the second channel, and when in an initial state, the piston rod (9) is fixed to the valve seat (4) by means of a shear pin (5); the electric initiator (7) is mounted at an inlet of the second channel in a butt-joint manner by means of a mounting cylinder (6), the mounting cylinder (6) forms a closed channel between the electric initiator (7) and the piston rod (9), and when working, the electric initiator (7) can drive the piston rod (9) to shear off the shear pin (5) and enable same to extend out of an outlet of the second channel to block the outlet of the first channel. The device can control the magnitude of ejection overload according to requirements, thereby reducing the complexity and weight of a control system. B: A horizontal well drilling apparatus for testing lubricity, taking a cuttings bed into account. The testing apparatus comprises a simulated wellbore (8), wherein one end of the simulated wellbore is provided with a pulley (16), and the other end is fixed with a hydraulic cylinder (38) and installed with a drill pipe (5), the drill pipe (5) being connected to a drive mechanism (1) and a rotation drive mechanism (4), and the drill pipe (5) being provided with a thrust sensor (2) and a torque sensor (3); a cuttings feeding port (9) is arranged above the simulated wellbore (8), and is connected to a slurry tank (24) via a fluid inlet pipeline (18), the fluid inlet pipeline (18) being provided with a high-pressure pump (23), a flowmeter (22) and a pressure sensor (19); a lower end of the simulated wellbore (8) is connected to a fluid return pipeline (26), the fluid return pipeline (26) being provided with a temperature- and pressure-reducing mechanism (29), a flowmeter and a conveying pump (28); and the simulated wellbore (8) is provided with an ultrasonic probe (6) and is connected to a core holder (13), the core holder (13) being provided with a heating mechanism, a core (11) and a pressure mechanism, and an inner side of a lower wall of the simulated wellbore is provided with a cuttings lifting platform (7). According to the apparatus, during a test, cuttings and a drilling fluid are added, and the pressure, the temperature, and the thickness of the cuttings are adjusted to simulate composite drilling. The apparatus not only takes the friction between a drill column and the drilling fluid, a well wall and a mud cake into account, but also takes the friction between the drill column and a cuttings bed into account, thus being more in keeping with actual working conditions. C: A pump head and a container for daily use. The pump head comprises a piston (2), and further comprises an axial moving assembly (1), a liquid suction channel (4), an outflow channel (5), and a support (6). The axial moving assembly (1) comprises a buffer liquid portion (11), an opening portion (12), a closing end (13), and a sealing portion (31, 32); the internal space of the buffer liquid portion (11) and opening portion (12) are a liquid storage space (14); one end of the liquid storage space (14) is closed by the piston (2), and the other end is closed by the closing end (13); the opening portion (12) is provided with an opening (15); in order of distance from the piston (2) from near to far, an outlet (41) of the liquid suction channel (4) and an inlet (51) of the outflow channel (5) are sequentially arranged on a side edge of the stroke of the opening (15) and both can communicate with the opening (15); the sealing portion (31, 32) seals a seam at a joint when the opening (15) communicates with the outlet (41) of the liquid suction channel (4) or with the inlet (51) of the outflow channel (5). D: A high pressure liquid cylinder structure, comprising: a cylinder (100), provided with an inlet passage (110) located at a side portion, a mounting space being vertically provided at the middle of the cylinder, the inlet passage being connected to the mounting space; a suction valve structure (200), detachably mounted inside the mounting space and close to the inlet passage, the suction valve structure comprising a liquid inlet hole (211), a liquid discharging hole (212), and a suction valve passage hole (213) communicated with the liquid inlet hole and the liquid discharging hole, wherein the liquid inlet hole and the inlet passage are communicated, a suction valve core (220) is movably mounted at the suction valve passage hole, and after the suction valve core moves, the suction valve core can be disconnected from or communicated with the suction valve passage hole and the liquid discharging hole; and a discharge valve structure (300), detachably mounted inside the mounting space and located above the suction valve structure, the suction valve structure comprising a discharge valve passage hole (311) communicated with the liquid discharging hole, wherein an outlet pipeline (400) is connected to an outlet of the discharge valve passage hole, a discharge valve core (320) is movably mounted at the discharge valve passage hole, and after the discharge valve core moves, the discharge valve core can be disconnected from or communicated with the discharge valve passage hole and the outlet pipeline. Further discloses is a vertical type combination valve group.

B

Please select the most similar patent number from A, B, C and D. Which number is? The present invention relates to a system for dynamically monitoring roadway roof separation based on a fibre grating and a pre-warning method, which belongs to the field of mine safety monitoring. Three parts, i.e., a ground data processing and control sub-system, a downhole data transmission communication sub-system and a downhole sensing data collecting sub-system are comprised: the ground data processing and control sub-system is placed in a ground control centre room, and is composed of a ground upper master monitoring computer, a fibre grating demodulation apparatus and a power supply; the downhole data transmission communication sub-system is composed of a mining transmission fibre and a fibre junction box; and the downhole sensing data collecting sub-system comprises at least one apparatus for monitoring fibre grating roof separation. The real-time online dynamic consecutive measurement of roof separation is realized, a transformation circumstance of a roadway surrounding rock is obtained, and the rationality of a bolting support parameter is verified. Once the pre-warning threshold of separation is exceeded, a pre-warning signal can be sent correctly, so that measures can be taken in time, and roof collapse can be prevented, which is of great importance for the outer roof separation size and the roadway stability in an anchorage zone. A: Disclosed is a fiber grating intelligent coal-rock identification device for a shearer drum. The fiber grating intelligent coal-rock identification device comprises the shearer drum; a fiber grating acceleration sensor is fixedly provided on the shearer drum, the fiber grating acceleration sensor is electrically connected to a fiber grating demodulator, the fiber grating demodulator is electrically connected to a computer, the computer is electrically connected to a signal receiver, and the signal receiver is connected to an oil pump motor for controlling the drum to move. According to the present invention, vibration signals can be effectively transmitted to a computer data processing system in time, and a curve graph is generated; real-time monitoring is achieved, the precision is high, interference of the severe environment of a coal face is avoided, stable real-time data is provided for a shearer lifting control system, deployment and maintenance are easy, and cost is low. B: An online temperature monitoring system for a deep well-type grounding electrode, comprising a temperature measuring optical cable (1) that extends underground, a temperature demodulation instrument (2), a communication optical cable (3), an optical fiber grating thermometer (4), a temperature calibration box (5), a temperature calibration optical cable (6), a wireless transmission module (7), a power supply module (8) and a processor (9). An end of the temperature measuring optical cable (1) that extends underground is connected to the optical fiber grating thermometer (4), and the other end of the temperature measuring optical cable (1) extends out of a well opening and is connected to an end of the temperature calibration optical cable (6); the other end of the temperature calibration optical cable (6) is connected to an end of the communication optical cable (3); the temperature calibration optical cable (6) is placed within the temperature calibration box (5); the other end of the communication optical cable (3) accesses the temperature demodulation instrument (2); the wireless transmission module (7) is connected to the temperature demodulation instrument (2); the power supply module (8) supplies power; and the processor (9) is carried on a computer device terminal. Long-term stable real-time online temperature monitoring of a deep well-type grounding electrode may be achieved by means of the described online temperature monitoring system for a deep well-type grounding electrode. C: An acoustic-emission-based health monitoring system and method. The system comprises: at least one optical fibre grating sensor (1), wherein the optical fibre grating sensor (1) is arranged inside or on a surface of a monitored object (00) and is used to detect an acoustic emission signal generated by the monitored object (00); a light source (2) for providing a light source for the optical fibre grating sensor (1); a demodulation system (3) for obtaining the acoustic emission signal generated by the monitored object (00) according to a central wavelength offset of reflected light of the optical fibre grating sensor (1) and a correlation between the central wavelength offset and the acoustic emission signal; and a control system (4) for comparing the acoustic emission signal with reference data so as to obtain a health degree value of the monitored object (00). Since an optical fibre grating sensor (1) is small in size and light in weight, an optical fibre with the optical fibre grating sensor (1) can be directly arranged inside a transformer, for example, inside a winding, and thus the transmission loss of an acoustic emission signal can be reduced and the sensitivity degree of a monitoring system can be improved. D: A dynamic state monitor of roof for filling coal mining goaf in a comprehensive and mechanized way is composed of a monitor base, a multiplestage telescopic rod and a floor offer (12). The monitor base is composed of a base cylinder (5), a spring (6), a transmission cable (13), a pattern displacement meter (15) and a guide rod (7). A displacement meter support (9), a protective port (11), a spring seat (8) and range limiting plates (16, 17) are arranged in the base cylinder. The pattern displacement meter (15) contains a chip (14). The base cylinder (5) is fixed on the floor offer (12) with screws. The spring (6) is arranged in the bayonet slot of the spring seat (8), the pattern displacement meter (15) is arranged in the bayonet slot of the displacement meter support (9), the guide rod (7) is directly connected to the pattern displacement meter (15), the guide rod (7)and the pattern displacement meter (15) are sleeved in the spring (6), and the transmission cable (13) is connected with the chip (14). The multiplestage telescopic rod is composed of a first stage rod (4), a second stage rod (20) and a third stage rod (21), wherein the first stage rod is installed in the base cylinder (5)and is in direct contact with the range limiting plates (16, 17) on the guide rod (7). The second stage rod (20) is fixed in the installation groove in the first stage rod (4) with a fastening bolt (19), and the third stage rod (21) and the second stage rod (20) are fixed with a fixing bolt (2). The monitor can directly and accurately monitor the dynamic subsidence amount of the roof, and is ingenious in structure and convenient to use.

D

Please select the most similar patent number from A, B, C and D. Which number is? A vertical ventilation method and system suitable for coal and gas outburst mining using a 110 mining method. The vertical ventilation method comprises: before working face mining, construct a first process roadway (8) and/or a second process roadway (9); during working face mining, the part of a working face track gateway (5) located in a goaf forms a first roof-cut retained roadway section (11) and/or the part of a working face transportation gateway (4) forms a second roof-cut retained roadway section (12) such that intake air of the first roof-cut retained roadway section (11) enters a gas drainage return air roadway (7) through the first process roadway (8) to form return air, and/or intake air of the second roof-cut retained roadway section (12) enters a gas drainage intake air roadway (6) through the second process roadway (9) to form return air. The vertical ventilation system constructed using the gas drainage intake air roadway (6) and the gas drainage return air roadway (7) can monitor retained roadway sections in real time and eliminate the accumulation of harmful gases in the retained roadway sections while implementing the ventilation of the retained roadway sections. A: A solid-filling coal mining method with two pre-excavated tunnels for advancing. A mining roadway adopts an arrangement mode that the pre-excavated tunnels are taken as air return and inlet roadways and a gob-side entry retaining roadway is taken as a roadway for transporting filling materials and coal; coal extraction and gob backfilling are carried out by a comprehensive mechanical solid-filling coal mining process; and a coal mining method that a mining sequence is propelled by making a filling coal mining working face be back to the direction of transporting the coal to a mountain in a mining area is used. The pre-excavated tunnels are formed, by tunneling, before the extraction of the working face, and the gob-side entry retaining roadway is formed by optimally designed filling bodies beside the roadway along with the implementation of advancing filling coal mining operation along the working face. The coal mining method is simple in process, technically and completely realizes coal milling without pillars, and achieves high coal resource extraction rate. The coal mining method can not only solve the technical problems that a draw-back-type down-mining and up-filling working face cannot ensure a filling effect during a filling milling process of a mine with shortage of resources, but also materialize the comprehensive mechanical solid-filling coal mining of mines with limited geological conditions by virtue of an advancing up-milling and down-filling working face. B: A complete non-coal-pillar continuous depressurized mining method for a short-distance coal seam group, which is applicable to a coal mining project. The method comprises: determining the mining sequence of coal seams in a coal seam group; when a first coalface (1) of a first mined coal seam is mined, building a filling-wall (11) in which a breather pipe (10) is disposed along the edge of a goaf, so as to form a gob-side entry retaining (12); taking the roadway as a transportation roadway (4) when a second coalface (2) is mined, continuing to perform a gob-side entry retaining (12) in a track roadway, cutting and removing a flexible mold bag (13) on the surface of the previous gob-side entry retaining (12) behind the coalface; and when the coal recovery of the second coalface is completed, filling carbon dioxide into the breather pipe (10) in the filling-wall (11) of the first coalface, so that a carbonization reaction occurs on the filling-wall (11), and the filling-wall (11) is broken and decomposed. After the mining of a coal seam is completed, because a top plate is not supported by a coal-rock pillar, the top plate can move and sink fully and the depressurized mining on adjacent coal seams can be achieved, thereby avoiding the stress concentration produced by the hangover of the filling-wall, and facilitating the mining space maintenance, gas extraction and dynamic disaster prevention and control. C: A test method for simulating spontaneous combustion in a goaf region, employing a test device simulating spontaneous combustion in a goaf region. A test furnace of the test device is provided with a coal outlet (6), an air inlet pipe (19), and an air return pipe (20). The test furnace is provided therein with a coal seam (8), a similar material base plate (9), a preconfigured water bag (10), a similar material base plate (11) to be sunk, a first similar material top plate (12), and a second similar material top plate (13). Multi-point thermocouple measurement rods (15) and gas collection tubes (17) are provided on the second similar material top plate (13). A coating layer (14) is provided between the multi-point thermocouple measurement rods (15). The multi-point thermocouple measurement rods (15) are provided with several thermocouples (16). The multi-point thermocouple measurement rods (15) and the gas collection tubes (17) are in close contact with the similar material. Two ends of a coal face (21) on the coal seam (8) are provided with an intake airway (32) and a ventilation airway (33). An arc-shaped perforated protection tube (18) is laid at the intake airway (32), the coal face (21), and the ventilation airway (33) to support coal and form a certain channel space, so as to construct an air intake and ventilation system for a goaf region and the face. The test method enables accurate and effective simulation of the entire process of spontaneous combustion in a goaf region under air leakage conditions. D: A staged ventilation method based on the construction of a complex cavern group, comprising the following steps: perform press-in ventilation while digging in inclined shaft channels, and air supply stopping points reach the entrance of a third sub-channel (6) and the exit of a fourth sub-channel (7); S2: the air supply stopping points reach the entrance of a second sub-channel (5), the exit of a seventh sub-channel (10), and the exit of a triple arch section (2) close to the fourth sub-channel (7); S3: the air supply stopping point of the ath inclined shaft channel (11) directly reaches a tunnel section (1) at a corresponding end, and further reaches the triple arch section (2) and the tunnel section (1) at the corresponding end through the second sub-channel (5) and a sixth sub-channel (9), and the air supply stopping point of the bth inclined shaft channel (12) reaches the tunnel section (1) at a corresponding end and the triple arch section (2) through the seventh sub-channel (10) and the fourth sub-channel (7); S4: form a tunnel-type full-air-pressure ventilation system of a main through air flow tunnel; S5: continue to perform full-air-pressure ventilation while digging; and S6: combine the full-air-pressure ventilation while digging and exhaust ventilation while digging. The method has the advantages of ensuring a construction period, improving construction quality and construction safety, satisfying the ventilation requirement of construction work in all stages, and saving energy and reducing consumption.

D

Please select the most similar patent number from A, B, C and D. Which number is? A rotary engine, comprising a housing having an inner cavity in the shape of a figure of eight, and a casing inner cavity device main rotary shaft (35) and auxiliary rotary shaft (48), the main rotary shaft (35) and the auxiliary rotary shaft (48) performing transmission via transmission gears (23, 24), the main rotary shaft (35) driving recessed main rolling wheels (31, 32) to rotate, the auxiliary rotary shaft (48) driving a first spacer ring (42) and a second spacer ring (43) to rotate, a second rolling wheel (41) being placed between the first spacer ring (42) and the second spacer ring (43), direct transmission not being possible between the second rolling wheel (41) and the auxiliary rotary shaft (48), the outer circle of the second rolling wheel (41) being tangential to the outer circle of the recessed main rolling wheels (31, 32), the recessed main rolling wheels (31, 32) driving the second rolling wheel (41) to rotate when rotating, a third rolling wheel (51) being mounted between the first spacer ring (42) and the second spacer ring (43) via a third shaft (55), the outer circle of the third rolling wheel (51) being tangential to the outer circle of the second rolling wheel (41) and cutting inside a cylinder inner cavity, the third rolling wheel (51) being driven around the second rolling wheel (41) by the first spacer ring (42) and the second spacer ring (43) to rotate in a rolling manner in the casing inner cavity, forming a variable capacitance cavity body with the synchronously rotating main rolling wheels (31, 32), and opening a ventilation port (a) in a timely manner during motion. A: A rotary piston engine, comprising a housing and a rotor (11). The rotating rotor (11) is disposed inside the housing; the cavity of the rotor (11) is divided into a compression chamber (13) with a changing volume. The outer ring of the housing is provided with several combustion chambers (14) that can rotate around a main shaft (7) of the rotor (11), and any one of the combustion chambers (14) is communicated with the compression chamber (13). The combustion chambers (14) are in transmission connection with the main shaft (7) via a transmission system, and the combustion chambers (14) drive the main shaft (7) to rotate by means of the combustion of compressed gas. The housing comprises an upper cylinder head (8) and a lower cylinder head (9), and a boss (12) of the upper cylinder head (8) is matched with the seam allowance of the lower cylinder head (9). A rotatable piston wheel gear (10) is provided between the upper cylinder head ( 8) and the lower cylinder head (9); evenly distributed support blocks (37) are arranged on the inner ring of the piston wheel gear (10), and the support blocks (37) are in contact with the rolling pair of the boss (12). Cavities enclosed by the boss (12), the lower cylinder head (9) and two adjacent support blocks (37) are combustion chambers (14). The rotary piston engine overcomes the shortcoming of long and narrow combustion chambers in traditional Wankel triangle rotor engine by means of rotating combustion chambers (14), and improves the combustion efficiency of the engine. B: A caster and a trolley having the caster, the caster comprising: a shell (1) provided with a first rotary shaft for being connected to an external element; an elastic friction element (3) hinged in the shell (1) and partially extending out of the shell (1) to be disposed in the shell (1); and an extrusion element (4) positioned in the shell (1) and used for extruding the friction element (3) so as to deform the friction element (3). The extrusion element (4) is connected with the first rotary shaft, and the extrusion element (4) and the friction element have a non-contact position, a first contact position and a second contact position; when in the first contact position, the first rotary shaft cannot rotate and a rotary wheel (2) can roll; and when in the second contact position, the first rotary shaft cannot rotate and the rotary wheel (2) cannot roll. The trolley further comprises a ground slope detecting unit disposed on a trolley body and a grip force sensing unit disposed on each handle. The trolley can brake itself according to the angle of a slope. C: An automatic reloading device for a 3D printer, and an automatic reloading method. Said device comprises an extrusion mechanism and a switching mechanism (6); the extrusion mechanism comprises a driving wheel (7), a first driven wheel set (41), a second driven wheel set (51), a first rotating clamp (4), a second rotating clamp (5), and a tension spring (43); one end of each of the first rotating clamp (4) and the second rotating clamp (5) is hinged to a cover body (1), and the other end of each of the first rotating clamp (4) and the second rotating clamp (5) is connected to the tension spring (43); the switching mechanism (6) comprises a switching rod (61) rotatably connected to an extrusion base (12), and a switching handle (62) fixedly connected to the switching rod (61); the end of the first rotating clamp (4) close to the tension spring (43) is fixedly connected to a first limiting column (42), and the end of the second rotating clamp (5) close to the tension spring (43) is fixedly connected to a second limiting column (52); and when the switching handle (62) is in an initial state, two ends of the switching rod (61) respectively abut against the first limiting column (42) and the second limiting column (52), such that the first driven wheel set (41) and the second driven wheel set (52) are both separated from the driving wheel (7). The present device has a high automation degree, increases the working efficiency, and reduces labor costs. D: A driving device (100) and an inspection device (200). The driving device (100) comprises a chassis (3), a power assembly (4), a first driving wheel (51), a second driving wheel (52), and an elastic member (6); the power assembly (4) comprises a first motor (41), a second motor (42), a first rotating shaft (43), and a second rotating shaft (44); the first motor (41) and the second motor (42) are both disposed below the chassis (3); the upper end of the first rotating shaft (43) is connected to the first motor (41) so that the first motor (41) drives the first rotating shaft (43) to rotate; the upper end of the second rotating shaft (44) is connected to the second motor (42) so that the second motor (42) drives the second rotating shaft (44) to rotate; the first driving wheel (51) is connected to the lower end of the first rotating shaft (43); the second driving wheel (52) is connected to the lower end of the second rotating shaft (44); the elastic member (6) is disposed on the chassis (3), and the elastic member (6) has one end connected to the first rotating shaft (43) and the other end connected to the second rotating shaft (44). The driving device (100) can travel on a horizontally laid track of a fully mechanized mining face, such that unmanned inspection is achieved.

A

Please select the most similar patent number from A, B, C and D. Which number is? A compressor, comprising: a support (10), a first limiting structure (11) being provided on the support (10); a rotation prevention structure (40), disposed between the support (10) and a movable scroll plate assembly and provided with a first positioning structure (41) and a second positioning structure (42), the first positioning structure (41) being movably provided in the first limiting structure (11), and the second positioning structure (42) being movably disposed in a second limiting structure (21); a first suspension structure (50), working in concert with the first positioning structure (41) and the first limiting structure (11) to reserve a first predetermined gap between the first positioning structure (41) and the first limiting structure (11); and a second suspension structure (60), working in concert with the second positioning structure (42) and the second limiting structure (21) to reserve a second predetermined gap between the second positioning structure (42) and the second limiting structure (21). Also provided is a vehicle having the compressor. According to the structure, the rotation prevention structure (40) can be kept from being in contact with both the support (10) and the movable scroll plate assembly, so that generation of friction between the rotation prevention structure (40) and the support (10) and between the rotation prevention structure (40) and the movable scroll plate assembly is avoided, and no lubricating oil or lubricating grease is required by the rotation prevention structure (40). A: Disclosed a drug delivery device, comprising a housing (10), a driving mechanism (20), a first limiting structure (30), an injection mechanism (40), and a transmission mechanism (50). The driving mechanism (20) comprises an adjusting member (21), a first memory (22), and a second memory (23). When the driving mechanism (20) is in an adjusting state, the adjusting member (21) drives the second memory (23) to move between an initial position and a final position. When the driving mechanism (20) is in a delivery state, the adjusting member (21), the first memory (22), and the third memory (23) are relatively stationary. One of a first limiting member (31) and a second limiting member (32) of the first limiting structure (30) is disposed on the first memory (22), and the other of the first limiting member (31) and the second limiting member (32) is disposed on the second memory (23). The first limiting member (31) cooperates with the second limiting member (32) to limit the movement of the second memory (23) with respect to the first memory (22) when the second memory (23) is at the final position. The delivery device can solve the problem in the related art that it is difficult to prevent a set dose from exceeding the remaining dose in a medicine bottle. B: A scroll compressor (100) comprises a scroll compressor shell (1); a static scroll plate (3), wherein the static scroll plate (3) is fixed inside the scroll compressor shell (1); a rack (2), wherein the rack (2) is mounted inside the scroll compressor shell (1); an orbiting scroll plate (4), wherein the orbiting scroll plate (4) can be movably supported on the rack (2) and in joint with the static scroll plate (3); and an actuating mechanism (6), wherein the actuating mechanism (6) is fixed at a lower end of the scroll compressor (100) and connected to the orbiting scroll plate (4) so as to drive the orbiting scroll plate (4) to rotate. A first joint component (41) is arranged on the orbiting scroll plate (4) and a second joint component (31) is arranged on the rack (2) inside the scroll compressor (100) or the static scroll plate (3), wherein the first joint component (41) and the second joint component (31) are mutually matched so as to prevent the orbiting scroll plate from rotating in a period when the scroll compressor operates normally. The scroll compressor makes it easy to control a processing precision and a matching precision of the orbiting scroll plate and the static scroll plate, reduces costs and improves performance of the compressor. C: An electronic expansion valve, comprising: valve body (10), the valve body (10) having a valve port; a valve head (20) movably provided in the valve body (10), the valve head (20) being used for blocking the valve port; a rod-shaped member (30), the rod-shaped member (30) having a first end and a second end opposite to each other, the first end penetrating into a cavity of the valve head (20), the second end having a positioning structure (31), the positioning structure (31) being used for positioning the circumference of the rod-shaped member (30), the positioning structure (31) being a positioning plane, and the positioning plane being parallel to the axis of the rod-shaped member (30); a valve sleeve (41) provided in the cavity of the valve head (20), the first end of the rod-shaped member (30) being fixedly connected to the valve sleeve (41), and the valve sleeve (41) being in limiting fit with the valve head (20); and an elastic member (42) provided in the cavity of the valve head (20), one end of the elastic member (42) matching the valve head (20), and the other end of the elastic member (42) being compressible by the rod-shaped member (30). D: A handle assembly and an anastomat comprising same. The handle assembly comprises: a first handle member provided with a sliding slot (41), a first sliding block (42) being slidably provided in the sliding slot (41), one end of the sliding block (42) being provided with a first limiting structure (43), a second section (412) of the sliding slot (41) being provided with a second limiting structure (44), and a compression spring (45) being provided between the two limiting structures (43, 44); and a second handle (2), a first end of the second handle (2) being rotatably connected to the first handle member, and the sliding block (42) moving toward the second section (412) of the sliding slot (41) under external force. When the first handle member is rotated in a first direction, the compression spring (45) is deformed, and the sliding block (42) abuts against the second handle (2) and pushes the second handle (2) to rotate; and when the sliding block (42) is released from the external force, the compression spring (45) pushes the sliding block (42) to reset. According to the handle assembly, a handle is divided into the first handle member and the second handle (2), and the linkage state of the two is controlled according to the moving position of the sliding block (42); the sliding block (42) may be reset under the action of the compression spring (45) after being released from the external force, and the position of the compression spring (45) is limited by means of the first limiting structure (43) of the sliding block (42) and the second limiting structure (44) of the first handle member.

B

Please select the most similar patent number from A, B, C and D. Which number is? Provided is an oil and gas separation device for an internal combustion engine, comprising a first cavity (10), a second cavity (11) and a third cavity (12), which are arranged in the longitudinal direction. The first cavity (10) communicates with the second cavity (11) via a first gas passage (13). The second cavity (11) communicates with the third cavity (12) via a second gas passage (14). An outlet pipe (6) is communicated to the third cavity (12). A bottom of the first cavity (11) is in communication with an internal combustion engine body (5), and a lower oil baffle plate (4) is arranged between the bottom of the first cavity (10) and the internal combustion engine body (5). The lower oil baffle plate (4) longitudinally covers the first gas passage (13). By using the internal combustion engine oil and gas separation device, the speed and effect of oil and gas separation can be improved. A: A safe medicinal liquid transfer device, comprising a main body (1) and a connecting member lower cover (2), a needle-shaped body (3) provided on the main body (1), and a gas channel (31) and a liquid channel (32) provided in the needle-shaped body (3), separately; an exhaust cavity (11) communicated with the gas channel (31) is provided in the main body (1), and communicated with the atmosphere by means of a breathable water blocking film body (12); a cavity (4) is provided between the main body (1) and the connecting member lower cover (2), and communicated with the liquid channel (32); the connecting member lower cover (2) is provided with a connection portion (21) connected to a syringe; a sealing structure (5) is provided at the connection portion (21); the sealing structure (5) is deformed as pressure is applied to the syringe, allowing for communication between the syringe and the cavity (4). According to the safe medicinal liquid transfer device, a clinical pharmacist can perform medicine dispensing and dosing operations simply and safely. The exhaust design comprising the exhaust cavity (11) and the breathable water blocking film body (12) allows for efficient balance of the air pressure inside and outside a container. The further inclusion of a sealing structure (5) allows for a closed design, effectively preventing the medicinal liquid from spraying out. The invention thus prevents the waste of medicines, and protects the safety of the pharmacist. B: An internal combustion engine with a particle charging device, comprising an internal combustion engine body, and an air inlet particle charging device, a fuel particle charging device, a high-voltage power supply and a high-voltage power supply start-stop controller that are provided in the internal combustion engine body. The air inlet particle charging device is provided at the end in the internal combustion engine body close to an engine inlet port and comprises a circular silicone air inlet pipe and a first particle charging device provided in the middle of the interior of the circular silicone air inlet pipe; and the fuel particle charging device is connected between a first oil pipe and a second oil pipe in the internal combustion engine body in series and comprises a metal cavity and a second particle charging device provided in the middle of the metal cavity. According to the internal combustion engine, the problems that the internal combustion engine is high in oil consumption, low in power, prone to engine oil combustion, overproof in tail gas emission and difficult to start and shakes due to carbon deposition can be reduced and eliminated. C: Disclosed is a filter-plate self-adaptive pressure adjustment oil-gas separation device for an engine. The device comprises a filter-pore separation device and a primary separation device, which are arranged in a mounting slot (101) in a cylinder head cover (100), wherein the mounting slot (101) is provided with a gas inlet hole (102) for receiving an oil-gas mixture in a crankcase; the mounting slot (101) is further provided with an exhaust hole (103) for discharging the separated exhaust gas; and the cylinder head cover (100), the filter-pore separation device and the primary separation device are combined to form a bent oil-gas channel. The filter-plate self-adaptive pressure adjustment oil-gas separation device for an engine can accelerate the oil-gas mixture, and the separated oil droplets flow out through an oil return chamber, thereby having a high separation efficiency and meeting the China VI Engine Emission Standards. D: A burner (100) and a gas cooker. The burner (100) comprises a bottom tray (10) as well as a flamer (30) and a nozzle holder (20) provided on the bottom tray (10). The bottom tray (10) is provided with a primary air cavity (13). A first primary air opening is provided in the top of the primary air cavity (13), and a cavity through hole (132) is provided in the side wall as a second primary air opening. The flamer (30) comprises an outer annular cavity (31) and an inner annular cavity (32). The bottom tray (10) is provided with a first ejection channel (101). The outer annular cavity (31) is provided with an outer gas mixing cavity (341) to which a mixed gas is supplied by the first ejection channel (101). The inner annular cavity (32) is provided with an inner gas mixing cavity (342) and is connected to a second injection channel (37), and the mixed gas of the inner gas mixing cavity (342) is supplied by the second injection channel (37). A gap (301) communicated with the air inlet of the second ejection channel (37) is formed between the outer annular cavity (31) and the bottom tray (10). A primary air channel (302) communicated with a first primary air inlet is formed between the outer annular cavity (31) and the primary air cavity (13).

C

Please select the most similar patent number from A, B, C and D. Which number is? A fuel rail assembly and internally-installed damper holders for same, said fuel rail assembly comprising a fuel rail, a first and a second plug used for sealing same, internally-installed dampers, and a first holder and a second holder for said dampers; the internally-installed dampers are provided each with a first and a second end portion, said first and second end portions comprising each a main body having an uplifted portion upon same. The holders comprise: clamping portions provided with gaps, and a first and a second fixing portion fixedly connected by means of a first and a second flexible portion to the clamping portions respectively. The first and the second holders for the internally-installed dampers are held in place by the first and second plugs respectively, and the main bodies of the first and second end portions of the internally-installed dampers are contained within the gaps of the first holder and the second holder respectively of the dampers, thus inhibiting movement of the internally-installed dampers in a first and a second directions; meanwhile the uplifted end portions are blocked within the clamping portions, thus inhibiting movement of the internally-installed dampers in a third direction. Said dampers are thus fixed steadily within the fuel rail. A: A new-type damping device for a #-shaped building. The damping device comprises a first building beam (1), a second building beam (2), a third building beam (3) and a fourth building beam (4). The first building beam (1), the second building beam (2), the third building beam (3) and the fourth building beam (4) are arranged to be in a #-shaped structure. By means of the arrangement of a viscoelastic damper (12), under the effect of the viscoelastic damper (12), a fixing plate (13) drives a polymer damping layer (16) on a sliding plate (14) to shake left and right in a hysteresis groove in a restraining frame (15), and energy is dissipated by shearing hysteresis deformation of the polymer damping layer (16), such that the #-shaped structure composed of the first building beam (1), the second building beam (2), the third building beam (3) and the fourth building beam (4) has energy dissipation and shock absorption functions in the left-right direction. By means of the arrangement of a viscous fluid damper (9), the #-shaped structure composed of the first building beam (1), the second building beam (2), the third building beam (3) and the fourth building beam (4) has the energy dissipation and shock absorption functions in the front-back direction. B: Disclosed is a buffering hinge, comprising a first clamping plate and a second clamping plate; the first clamping plate and/or the second clamping plate is internally provided with a buffering mechanism; the buffering mechanism comprises a fixed pressing block, a moving pressing block which moves along the vertical direction, and a vertically-positioned damper, the two ends of the damper being respectively vertically connected to the fixed pressing block and the moving pressing block; a first inclined surface of the moving pressing block and a second inclined surface of the other clamping plate form an opposing connection. The present invention, by means of arranging a buffering mechanism within the first clamping plate and/or the second clamping plate, and allowing the damper to be subjected to vertical upward action force, thereby increases the buffering effect and the service life of the damper; also, the opposing connection between a first inclined surface of a moving pressing block and a second inclined surface of the other clamping plate allows the moving pressing block and the fixed pressing block to realize vertical movement, thereby driving the damper to achieve vertical lengthening and shortening. C: Disclosed is a fuel rail assembly for an engine with direct ethanol-fuel injection via a manifold, comprising a fuel rail main pipe (3), branch pipes (8), rail mounting supports (2), and a joint pipe (7). The cross-section of the interior of the fuel rail main pipe (3) is square-shaped, the branch pipes (8) and the rail mounting supports (2) are provided on one side in the axial direction of the fuel rail main pipe, while the joint pipe (7) is provided at the fuel-inlet end of the fuel rail main pipe (3). D: An improved buffering hinge, comprising a housing (1), a first rotational shaft (51), a U-shaped pin shaft (21), a hinge cup (2), a first linkage member (3), a second rotational shaft (52), a torsion spring (4), and a second linkage member (5), the hinge cup (2) being fixed onto a door panel. A damper guide member comprises a guide rack (6) provided between the second linkage member (5) and the housing (1). The housing (1) is formed by enclosing left and right side plates and an upper side plate (10), and is provided with a damper (8) and the damper guide member. The output direction of a piston rod (82) of the damper (8) is oriented to the upper side plate (10). The hinge effectively reduces its production costs, and overcomes noise generated by the friction between parts and the defect in the overall rotating smoothness of a product, thereby improving the overall quality and the market competitiveness of the product.

C

Please select the most similar patent number from A, B, C and D. Which number is? A gas cylinder assembly and a compressor having said gas cylinder assembly. The gas cylinder assembly comprises a cylinder body (1), a valve assembly (2), a cylinder cover (3), a noise muffler (8), and a press cover (5); the valve assembly (2) is arranged within the cylinder body (1), a seal ring (4) is provided between the cylinder cover (3) and the valve assembly (2), the noise muffler (8) and the cylinder cover (3) are integrally formed, the press cover (5) is connected to the cylinder body (1), and the cylinder cover (3) is located between the cylinder body (1) and the press cover (5), so as to facilitate the press cover (5) in fixing the cylinder cover (3) onto the cylinder body (1). The present gas cylinder assembly has unique advantages such as a good sealing effect, a low number of parts, low manufacturing difficulty and costs, and no deformation of the cylinder cover and the cylinder body. A: An end cover assembly, an air cylinder, a tread sweeper and a railway vehicle. The end cover assembly (100) is used for sealing an air inlet end of an air cylinder (200) of a tread sweeper (300), and comprises a cylinder cover (110), wherein a first external thread column body (111) extending and protruding is arranged on an inner side end face (110a) of the cylinder cover (110), and is mounted matching the air cylinder (200); a second external thread column body (112) extending and protruding is arranged on an outer side end face (110b) of the cylinder cover (110); and the cylinder cover (110) is provided with a through mounting hole (113), and the mounting hole (113) extends to penetrate the first external thread column body (111) and the second external thread column body (112) and is used for arranging an air core (230) and an elastic pull rod (240); and a gland (120), wherein a threaded hole (121) matching the second external thread column body (112) is provided on an inner side end face (120a) of the gland (120); a throttle air vent hole (122) is provided between the threaded hole (121) and an outer side end face (120b) of the gland (120); a first mounting groove (123) is further provided between the inner side end face (120a) of the gland (120) and the threaded hole (121); and in an assembled state, the inner side end face of the gland (120) abuts against the outer side end face (110b) of the cylinder cover (110), and sealing is provided by means of sealing rings (130, 140 and 150) arranged inside the first mounting groove (123). B: Disclosed are a cylinder head assembly, a compressor and a refrigeration device. The cylinder head assembly comprises a cylinder seat (1), which is provided with a cylinder hole (11) and an exhaust silencing cavity (12), wherein an annular boss (13) is arranged at the end, having the cylinder hole (11), of the cylinder seat (1), a first mounting face (14) is formed on an end face of the annular boss (13), a first exhaust throttling through hole (15) is provided in the first mounting face (14), the first exhaust throttling through hole (15) is in communication with the exhaust silencing cavity (12), and an outer circle face of the annular boss (13) is not coaxial with the cylinder hole (11) and is offset in the direction where the first exhaust throttling through hole (15) is located; cylinder head parts (4), wherein an edge of the cylinder head part (4) is provided with a protrusion (44), and the protrusion (44) is provided with a second exhaust throttling through hole (45) corresponding to the first exhaust throttling through hole (15); and a cylinder cover (5), which is provided with a first cylindrical mounting groove (51) and a second cylindrical mounting groove (52). The compressor comprises the cylinder head assembly, and the refrigeration device comprises the compressor. The cylinder head assembly, the compressor and the refrigeration device have the advantages of a columnar cylinder head being miniaturized and low cost, and also the process difficulty of exhausting air from a cylinder cover of a traditional columnar cylinder head design is avoided, and material costs are saved on. C: A high-pressure gas compression ignition engine, comprising a cylinder body (1), a piston (2) and a cylinder cover (3), the piston (2) being mounted on the cylinder body (1) and the cylinder body being sealed by the cylinder cover (3) to form a combustion chamber (4) for fuel operation, and an intake valve (5) and an exhaust valve (6) being respectively provided on the cylinder cover (3). The engine further comprises: a fuel supply system (7), the fuel in a fuel tank (70) of the fuel supply system passing through a fuel channel, being pressurized by a pump body (71) and being then supplied into the combustion chamber (4) of the cylinder body (1); a fuel injection device (8) used for injecting the fuel to the intake valve (5); and a compression ignition system (9), which is connected to an exhaust duct or an external gas source, recovers some of exhaust energy discharged from the combustion chamber (4) during a power stroke or suctions into the external gas source, and compresses and stores same in a compression ignition gas storage tank (91), the cylinder cover (3) is provided with a compression ignition gas valve assembly (92) for compression ignition of the fuel injected in the combustion chamber (4). The high-pressure gas compression ignition engine pressurizes the discharged gas energy or the external gas source into a high-pressure gas, which is not limited by the knock resistance property of a fuel. The present invention is used for automatic compression ignition in the combustion chamber, reduces fuel consumption and pollution, and effectively increases the compression ratio and improves the dynamic property. D: A rotary engine consists of: an elliptic cylinder body (1) and a front cylinder cover (2) and a rear cylinder cover (3) fixed to the cylinder body (1). A separating plate (4) is provided at the centre of the cylinder body (1), which divides the elliptic cylinder body (1) into two approximately semicircular cavities (5, 6), and in the radially symmetric centre line of each of the semicircular cavities there is provided a synchronically rotatable gear shaft (7, 8), respectively; the two gear shafts (7, 8) are supported on the front and rear cylinder covers (2, 3) via a bearing, elliptic gear ring pistons (9, 10) internally meshing with the gear shafts (7, 8) are mounted on the two gear shafts (7, 8), respectively; an inlet valve, an exhaust valve, a gas reserve barrel, and a combustion chamber are provided on the separating plate (4), and an oil nozzle and a sparking plug are provided in the chamber. The present engine has a compact structure, few parts, a small volume, a reduced weight, good sealing, a high working efficiency, and easy maintenance, solving problems present in prior art engines, such as unreasonable structural design, complicated structure, and low efficiency, etc. Engines, and also hydrodynamic machinery such as liquid pumps, hydraulic motors, and air compressors, etc., can be obtained by changing the inlet and exhaust structures.

B

Please select the most similar patent number from A, B, C and D. Which number is? A piston type industrial pump comprises a power device (1), a pumping device (2) and a stirring device (3). A connecting pipeline is arranged between the power device (1) and the pumping device (2); the pumping device (2) is fixedly connected with the stirring device (3); the power device (1) consists of at least two power units connected in parallel; the power units comprises hydraulic oil tanks (101), motor oil pump sets (102), and a power unit base (103); and a communicating oil pipe (104) is arranged between the hydraulic oil tanks (101) of the power units. There are at least two groups of motor oil pump sets (102) provided in each power unit. Two or more power units are connected in parallel for providing superimposed power, so that the flow of a hydraulic system can meet a large-volume conveying requirement; in the meantime, all the power units are independent of each other and can work together in parallel or work independently; when one of the power units is fails, only the faulty unit is stopped for maintenance, and the other power units continuously provide power output and are spare to each other. A: An unmanned aerial vehicle (100), comprising a vehicle body assembly (1), vehicle arm devices (2) and power devices (3). There are two vehicle arm devices (2) respectively located at two opposite sides of the vehicle body assembly (1), the two length ends of each vehicle arm device (2) are respectively an inner end (21) and an outer end (22), the inner end (21) of the vehicle arm device (2) is mounted on the vehicle body assembly (1), the vehicle arm device (2) is arranged obliquely upwards from the inner end (21) to the outer end (22), an included angle between each vehicle arm device (2) and a horizontal plane is 9-35 degrees, and one power device (3) is respectively mounted at the outer end (22) of each vehicle arm device (2). Each of the power devices (3) comprises a power unit (31), the power unit (31) comprising a power motor (311) and a propeller (312). B: An unmanned aerial vehicle (100), comprising: a fuselage assembly (1), the fuselage assembly comprising a storage device (11); vehicle arm devices (2), the number of the vehicle arm devices being two, the vehicle arm devices being located on two sides of the fuselage assembly respectively, two ends of the length of each vehicle arm device being an inner end and an outer end respectively, and the inner ends of the vehicle arm devices being installed on the fuselage assembly; and power devices (3), one power device being mounted on the outer end of each vehicle arm device, each power device comprising a power unit (31), and each power unit comprising a power motor (311) and a propeller (312) installed on the power motor. A lifting force generated by the two power devices is coplanar to form a preset plane (S3), and the preset plane passes through the storage device. C: A leaf spring vibration hydraulic power generation system, comprising a generator (2), a power unit (4) which provides power, and a transmission unit, which transmits power and converts same into torque, wherein the generator (2) comprises a rotor and a storage battery, which forms an excitation magnetic field; the power unit (4) and the transmission unit make the rotor of the generator (2) rotate; the rotor cuts the excitation magnetic field formed by the storage battery; and after the rotation speed of the rotor gradually increases until the voltage of the generator is higher than that of the storage battery, the generator (2) reversely charges the storage battery, and provides electric energy for other electronic apparatuses. By using an oil fluid in an oil tank and the vibration of a vehicle, a hydraulic motor (35) is driven by means of the power unit (4) and the transmission unit, thereby providing power for the generator (2), and supplying power to electronic devices of the entire vehicle and the storage battery, such that the problem of existing generators consuming the energy of an engine can be better alleviated, and the problem of the short driving range of an electric vehicle is alleviated. D: Disclosed is a pumping system for a piston-type mortar pump. The pumping system comprises a delivery cylinder (3) with a delivery piston (31) and a piston rod arranged therein, wherein the piston rod is connected to a power apparatus of the pumping system, and a rodless chamber (33) of the delivery cylinder (3) is in communication with a material inlet (102) via a unidirectional intake valve (41). The pumping system also comprises a compensation cylinder (5) with a compensation piston (51) arranged therein, wherein the compensation piston (51) separates the compensation cylinder (5) into an out-feed chamber (52) and a buffer chamber (53), the out-feed chamber (52) is in communication with the material outlet (101), the rodless chamber (33) of the delivery cylinder (3) is in communication with the out-feed chamber (52) via a unidirectional out-feed valve (42), and the buffer chamber (53) is in communication with a rod chamber (32) of the delivery cylinder (3) to form a sealed chamber. In this way, when the delivery cylinder (3) is in a material intake stroke, matter stored in the compensation cylinder (5) is discharged via the material outlet (101), thus while taking in material, the pumping system can discharge material, thereby improving the pumping continuity of the pumping system and ensuring continuous operation of the piston-type mortar pump.

D

Please select the most similar patent number from A, B, C and D. Which number is? A concrete pumping device and control method and device thereof, the control method of the concrete pumping device comprising: when a first pumping of a concrete pump is activated, detecting the preset pumping status of the first pumping of the concrete pump; if the preset pumping status of the first pumping is low pressure pumping, then detecting whether the working parameter of a second pumping is greater than a preset working parameter and/or detecting whether the material supply delay time of the concrete pump is greater than a preset material supply delay time value, wherein the second pumping is the previous pumping of the first pumping; if the working parameter is greater than the preset working parameter and/or the material supply delay time of the concrete pump is greater than the preset material supply delay time value, then controlling the concrete pump to switch from low pressure pumping to high pressure pumping; and after the concrete pump works in the high pressure pumping state for a first preset time, controlling the concrete pump to switch from high pressure pumping to low pressure pumping. The pumping device and the control method and device thereof can properly control the concrete pump when the pumping is activated. A: A pump stroke control method for a twin-cylinder pump for viscous materials, comprising the following steps: first, determining, according to predetermined condition parameters for a viscous material to be conveyed, a target pump stroke for a twin-cylinder pump for viscous materials corresponding to said parameters; second, by means of adjusting the volume of hydraulic oil in a through-cavity (5 ) of the twin-cylinder pump for viscous materials, adjusting the actual pump stroke (L) of said pump to said target pump stroke. Also provided is a pumping device for viscous materials. The present pump stroke control method is able effectively to implement stepless adjustment of the pump stroke of twin-cylinder pumps for viscous materials, thus allowing the materials-conveying cylinder to avoid a situation of insufficient materials uptake, and thereby increasing pump uptake efficiency while saving energy. The pumping device is structurally simple and easy to operate, and, by reducing the number of invalid strokes of the conveying piston, extends the service life of same. B: A status monitoring and fault diagnosis system for concrete pumping equipment, comprising a boom sensor assembly (210) installed on the boom for monitoring the operation status of the boom and acquiring a signal, a chassis sensor assembly (220) installed on a chassis (101) for monitoring the operation status of the chassis (101) and acquiring a signal, a hydraulic system sensor assembly (230) installed on a hydraulic system for monitoring the operation status of the hydraulic system and acquiring a signal, a status monitoring unit (310) for analyzing and processing the signals acquired by each sensor assembly so as to monitor the condition of the concrete pumping equipment on line, and a fault diagnosis unit (320) connected with the status monitoring unit (310) for predicting and diagnosing the fault of the concrete pumping equipment. The status monitoring and fault diagnosis system for concrete pumping equipment can comprehensively monitor the operation status and diagnose the fault of the boom, the chassis and the hydraulic system, thus improving the overall performance of the concrete pumping equipment. C: Provided in the present invention are a concrete ultra-high pumping simulation verification apparatus and method, belonging to the technical field of concrete ultra-high pumping, and being used for verifying the accuracy of a concrete ultra-high pumping simulation model; comprising a testing pipeline connected to the end of a concrete pumping pipe by means of a flange butt joint, and also comprising a rotating impeller system mounted vertically on the inner wall of a vertical pipeline, the rotating impeller system comprising a rotating blade and a rotating shaft arranged in a matched manner, the other end of the rotating blade being provided with a measurement control system, the rotation speed of the blade rotation being measured by means of the measurement control system, and the plastic viscosity and yield stress of the concrete being calculated on the basis of a set fitting formula. Thus, the present apparatus does not require a device such as a pressure sensor to be mounted on the pumping pipe, and can simply and conveniently measure the rheological parameters of the concrete during the concrete pumping process without damaging the safety of the pumping pipe. D: A wobbler mechanism is used for driving a distributing valve of a concrete pumping device to wobble, and comprises a wobbling arm (6) for driving the distributing valve, and two hydraulic oil cylinders (2, 4) for driving the wobbling arm (6) to wobble from side to side. One end of each of the two hydraulic oil cylinders (2, 4) is connected to left and right sides of the wobbling arm (6), and the hydraulic oil cylinders (2, 4) are two-stage hydraulic oil cylinders (2, 4). Also disclosed is a concrete pumping device having the wobbling mechanism. The wobbling mechanism and the concrete pumping device having the wobbling mechanism is fast in direction change and has a low impact, so that the direction change time of the wobbling mechanism is close to that of a master cylinder of the concrete pumping device, thereby greatly improving pumping continuity.

A

Please select the most similar patent number from A, B, C and D. Which number is? A mute powerful bladeless fan, comprising an air guiding member (2). The air guiding member (2) is formed by connecting an air gathering cover (22) and an air outlet cover (21) in a covering mode; through holes (23) which are coaxial are formed in the bottom surfaces of the air gathering cover (22) and the air outlet cover (21), respectively; the edge of the through hole (23) in the bottom surface of the air gathering cover (22) arches inwards in an axial direction so that the connection surface between the edge of the bottom surface of the air gathering cover (22) and the edge of the through hole (23) can form an annular fall slope (221) in smooth transition; the edge of the through hole (23) in the bottom surface of the air outlet cover (21) extends inwards in the axial direction to form a flange (212); an air blocking edge (213) is provided on the periphery of the flange (212) in a circle; air outlets (211) are evenly formed between the flange (212) and the air blocking edge (213); the edge of the through hole (23) of the air gathering cover (22) is in sealed butt joint with the flange (212); the axes of the through holes (23) are deflected to the upper portion of the air guiding member (2), so that an annular air channel (24) having a section gradually reduced from bottom to top is formed in the air guiding member (2); and an air inlet (25) communicated with the air channel (24) is formed in the lower end of the air guiding member (2). A: A two-channel air-cooled small gasoline generator, comprising a case (1), an engine assembly (2), a silencer (3) and a magneto assembly (4) with a fan, wherein the engine assembly (2), the silencer (3) and the magneto assembly (4) are arranged in the case. The gasoline generator further comprises: a first air guiding hood (21), arranged on the engine assembly (2) in a coating mode; an air duct (32), one end of the air duct being connected to the first air guiding hood (21), and the other opposite end of the air duct being communicated with the outside; a second air guiding hood (31), arranged on the silencer (3) in a coating mode and provided with an air outlet (311) communicated with the outside; and a third air guiding hood (41), arranged on the magneto assembly (4) in a coating mode and further communicated with the second air guiding hood (31). In the generator, the engine is cooled at high efficiency, thermal power attenuation of the engine is effectively reduced, and the output of the magneto is efficient; accordingly, high-efficiency operation of the generator is guaranteed, and a good noise isolation effect is achieved with the sealed air duct. B: An air outlet assembly, comprising: a panel (10), an air outlet (11) being arranged on the panel (10); and an air guide part (20), mounted on an air inlet side on the panel (10), an air guide channel being formed in the air guide part (20), and the air guide part (20) having an air guide inlet (21) and an air guide outlet (24), which are connected to the air guide channel, formed thereon, the air guide outlet (24) also being connected to the air outlet (11). By means of said air outlet assembly, dew is prevented from forming on a side of the panel close to the interior of a room or a vehicle. The present invention also relates to an air conditioner and a vehicle. C: An air concentration cover (1) and a PM2.5 tester having same. The above-mentioned air concentration cover (1) comprises an air exit portion (11), an air guiding portion (12) and a mounting portion (13) used for being mounted with and connected to a fan (2), wherein the air exit portion (11), the air guiding portion (12) and the mounting portion (13) are integrally formed, and form a cavity (14) in combination for air to pass through, an air outlet (111) is provided on the air exit portion (11), and an air guiding piece (15) for guiding air is provided in the cavity (14). The above-mentioned PM2.5 tester comprises the above-mentioned air concentration cover (1). D: A bladeless fan, comprising: a body portion (10), the body portion (10) comprising an air inlet, an air outlet, and a fan motor assembly (5) used for generating an air flow; and a nozzle (7) connected to the air outlet and used for receiving an air flow from the body portion (10) and emitting the air flow. The fan motor assembly (5) comprises: an air outlet base, first positioning seats (501) and first screw lugs (508) being provided around the periphery of the air outlet base; a motor support (54), a motor (56) being provided between the motor support and a first side of the air outlet base, and second positioning seats (541) being provided around the periphery of the motor support (54); and an air guide cover (52), a rotary impeller (53) being provided between the air guide cover and a second side of the air outlet base, and third positioning seats (521) and second screw lugs (522) being provided around the periphery of the air guide cover (52). The air outlet base is in screw connection with the air guide cover (52). Each second positioning seat (541) of the motor support (54) is clamped and limited between the first positioning seat (501) and the third positioning seat (521) after being connected to the first positioning seat (501) and the third positioning seat (521) by means of a flexible connector. The bladeless fan can change the movement direction of the air flow in the fan, reduce the overall height of the fan, and reduce the overall volume.

D

Please select the most similar patent number from A, B, C and D. Which number is? An intelligent adjustable high-pressure pump station system, comprising an oil tank (1), energy accumulators (2), and oil pumps. The oil tank (1) is connected to at least two oil pumps by means of pipelines; an energy accumulator (2) is connected between every two adjacent oil pumps by means of pipelines; a one-way valve is provided on a pipeline at an oil outlet of the oil tank; and a one-way vale is separately provided on an oil inlet pipeline and an oil outlet pipeline of each energy accumulator (2). When hydraulic pumps form a pump station system, multiple oil pumps are connected in series for use, and energy accumulators are combined, so that ultrahigh pressure can be produced; the intelligent adjustable high-pressure pump station system is safe and reliable, and is stable in operation. A: A floating turnover hydraulic power output device, comprising a buoy (1), an outer frame support (2), a base (35, 36), a power turnover mechanism (27), and a hydraulic actuator (41); the upper end and lower end of the buoy (1) are respectively provided with an upper connecting rod (5) and a lower connecting rod (6) respectively connected with the pistons (7, 8) of two hydraulic cylinders (3, 4) on the upper part and lower part of the outer frame support (2); the oil inlets and outlets of the hydraulic cylinders (3, 4) are respectively installed with one-way valves (13, 14, 15, 16); the one-way valves (13, 14, 15, 16) are respectively connected to a hydraulic oil tank (40) and a high pressure accumulator (42) via high pressure oil pipes (17, 18); the outer frame support (2) is a permeable structure; a rotary shaft (23, 24) is installed in the middle of the outer frame support (2), and is slidably connected to the outer frame support (2); and the power turnover mechanism (27) is connected to the rotary shaft (23, 24). The device can continuously and circularly rotate around the rotary shafts under a small external force, and can release the buoy during the rotation to convert buoyancy potential energy into hydraulic energy. The combined use of multiple sets of the devices can continuously force hydraulic oil into a high pressure accumulator for direct use. B: A hydraulic system, which comprises: an accumulator (7), a hydraulic cylinder (6) including a rod cavity (62) and a rodless cavity (61), a hydraulic pump (5), an oil tank (4), a first valve assembly (1) and a second valve assembly (2). The first valve assembly comprises a first port (f) connected to the rodless cavity, a second working port (d) connected to the rod cavity, a third port (a) connected to the hydraulic pump, and a fourth working port (c) connected to the oil tank, and has a first working state in which the first working port and the third working port are connected; the second valve assembly comprises a first port (g) connected to the rodless cavity, a second working port (h) connected to the rod cavity, a third port (i) connected to the accumulator, and has a first control state in which the first working port, the second working port and the third working port are all connected, and the hydraulic system can improve the energy recovery efficiency of the accumulator. C: An electro-hydraulic system for driving a large-scale rotary motion valve supplied by a solar low-capacity power. A step motor (2) and an oil pump (3) are in turn driven by a low-capacity solar power supply (1). An oil tank (5), the oil pump, a check valve (6), a T-connector (7) and a liquid accumulator (10) are in turn arranged on an oil storage pipeline (4). An oil inlet pipeline (16) is connected to the rest of the ports of the T-connector. An oil inlet of a three-position four-way reversing solenoid valve (12) is connected to the oil inlet pipeline. Two ends of an oil return pipeline are connected to an oil return port of the reversing valve and an oil return port of the oil tank, respectively. Each of two oil outlets of the reversing valve is respectively connected to an oil port of a single-chamber cylinder via a pipeline. The outer ends of the piston rods of cylinders A and B are rigidly connected together to form one piston rod (134). A linear-to-rotary transition mechanism is provided between the piston rod (134) and a spool (19) of the rotary motion valve. Since the low-capacity solar power supply is adopted in the system, the equipment cost, the operation cost and the maintenance cost of the system are reduced, and the input-output ratio of the system is increased. D: Disclosed is a lubricating grease delivery system of a coal mine rail transportation vehicle, comprising an oil reservoir (1) and an oil pump (2). An outlet pipeline of the oil pump (2) is divided into two branches via a T joint, wherein an electromagnetic reversing valve (3), a manual three-position four-way reversing valve (5) and an energy accumulator (4) are connected in sequence on one branch, inlet and outlet pipelines of the manual three-position four-way reversing valve (5) are connected with a composite hydraulic cylinder a , and the front part of the composite hydraulic cylinder a is connected with a grease reservoir (6);a first one-way speed control valve (9) and a three-position four-way electromagnetic reversing valve (10) are arranged in sequence on the other branch, and inlet and outlet pipelines of the three-position four-way reversing valve (10) are connected with a composite hydraulic cylinder b ; a lubricating grease outlet of the composite hydraulic cylinder a is connected with a one-way valve bridge (8) through a pipeline, and pipelines on two sides of the one-way valve bridge (8) are respectively connected to a lubricating grease inlet and a lubricating grease outlet of the composite hydraulic cylinder b ; and two limiters for limiting the travel of a piston rod are arranged at the front part of the piston rod of the composite hydraulic cylinder b . The lubricating grease delivery system completes the delivery of lubricating grease by means of alternating operations of the two composite hydraulic cylinders, and has the characteristics of small size, high pressure, high flow rate and stable operation.

B

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed is a cylinder, comprising a cylinder block (1), a first piston (2) and a second piston (3), the first piston (2) and the second piston (3) being arranged in the cylinder block (1), and the first piston (2) and the second piston (3) being arranged at an interval. The cylinder (1) further comprises a first telescopic shaft (4) and a second telescopic shaft (5), wherein the first telescopic shaft (4) penetrates through the cylinder block (1) and is connected to the first piston (2), and the second telescopic shaft (5) slidably penetrates through the first telescopic shaft (4) and is connected to the second piston (3). Further disclosed is an absorption and separation device having the cylinder. The cylinder and the absorption and separation device having the cylinder enable two or more cylinders to share one cylinder block, so as to respectively control two or more pistons and telescopic shaft, such that the control directions and strokes are relatively independent of each other, the installation space is small, and the costs are low. A: A hydraulic cylinder, a hydraulic system, and a crane. The hydraulic cylinder comprises a cylinder body (1), a first piston (2), and a piston rod (3). The first piston (2) is disposed in the cylinder body (1), and can move in the axial direction of the cylinder body (1). One end of the piston rod (3) is connected to the first piston (2), and extends in the axial direction of the cylinder body (1). The cylinder body (1) is provided with a first cavity (5) located on one side of the first piston (2) back to the piston rod (3), the first cavity (5) can introduce and discharge a hydraulic fluid. The piston rod (3) is provided with a second cavity (6) extending in the axial direction of the cylinder body (1). The hydraulic cylinder also comprises a second piston (7) capable of moving along the second cavity (6). The second piston (7) is fixed relative to the cylinder body (1), and the second cavity (6) comprises an accommodating cavity (4) located on one side of the second piston (7), facing to the first piston (2). When the hydraulic fluid is introduced into the first cavity (5), the accommodating cavity (4) can discharge the hydraulic fluid; and when the first cavity (5) discharges the hydraulic fluid, the accommodating cavity (4) can introduce the hydraulic fluid. The technical solution in the present application alleviates the problem in the prior art of high variation of the hydraulic fluid in the hydraulic cylinder in the moving process of the piston rod (3). B: A fluid pressure-driven press-riveting device (100), comprising: a cylinder block (101) having a distal cylinder cap (112), a proximal cylinder cap (111), and a sidewall (113) extending along an axial direction therebetween, the distal cylinder cap having an opening part (114); a first piston (102) in the cylinder block, which defines a first inner cavity (121) together with the proximal cylinder cap, and has a press-riveting rod (122) extending towards the distal end and aligned with the opening part; a second piston (103) in the cylinder block, which defines a second inner cavity (131) together with the distal cylinder cap, and has a sleeve part (132) extending towards the distal end to at least reach and seal the opening part and capable of accommodating the press-riveting rod; a fluid pump system (105) separately connected to the first inner cavity and the second inner cavity so as to supply fluid therefor or suck back fluid therefrom, so that the first piston and the second piston move along the axial direction of the cylinder block, the sleeve part moves to a pre-pressed location when the second piston moves to the distal end, and then the press-riveting rod extends out to perform press-riveting; and a transmission component disposed between the first piston and the second piston, once the sleeve part moves to the pre-pressed location, the first piston being capable of getting close to the second piston and applying a pre-pressing force thereon by means of the transmission component. The press-riveting device is suitable to be operated in a small working space. C: Disclosed is an energy conversion system, comprising a base seat (1), a rotation shaft (2) and an energy conversion device (23). The rotation shaft is fixedly connected to the base seat, and the energy conversion device is provided on the rotation shaft. The energy conversion device comprises a first cylinder (3) and a second cylinder (4), and a first piston (5) fitted to the first cylinder and a second piston (6) fitted to the second cylinder. The first piston and the second piston share a common piston rod (7). The first cylinder and the second cylinder are fixedly connected to each other and are in communication with each other via an air pipe (8). The piston rod is provided with a position limiting device. Furthermore, a buoyancy propelling device (24) is provided on the outside of the piston rod. The piston rod is adapted to the buoyancy propelling device so as to enable the piston rod to move the first piston and the second piston. Further disclosed is an energy conversion method. The energy conversion system and the energy conversion method drive the energy conversion device to rotate by using buoyant energy, and thus convert the buoyant energy into kinetic energy for people to use. D: A compressor having a sliding valve having the position adjusted automatically, and an air-conditioning system. The compressor comprises: a rotor pair (1) having an air suction end and an exhaust end, a closed tooth groove being provided between the intake end and the exhaust end; a sliding valve (2) capable of sliding relative to the rotor pair (1) and provided with a first through hole (21) in communication with the closed tooth groove; a first cylinder (3), wherein a first piston (31) thereof is connected to a first end of the sliding valve (2) by means of a first connecting rod (33) of the first cylinder (3); a first air pressure channel (32) is provided in the first piston (31), the first connecting rod (33), and the sliding valve (2); one end of the first air pressure channel (32) is in communication with the first through hole (21), and the other end is in communication with the interior of the first cylinder (3); and a fourth cylinder (4), wherein a second piston (41) thereof is connected to a second end of the sliding valve (2) by means of a second connecting rod (43) of the fourth cylinder (4); a second air pressure channel (42) is provided in the second piston (41), the second connecting rod (43), and the sliding valve (2); one end of the second air pressure channel (42) is in communication with the exhaust end, and the other end is in communication with the fourth cylinder (4); the first piston (31) and the second piston (41) together drive the sliding valve (2) and the rotor pair (1) to slide or be static relative to each other.

A

Please select the most similar patent number from A, B, C and D. Which number is? A concealed connection structure for profiled beams and columns comprises a profiled column (1), and a profiled beam (2) perpendicularly connected to the profiled column (1). An upper plug (3) and a lower plug (4) are pre-arranged in a T-shaped groove on one side of the profiled column (1). A retractable connection-locking mechanism is arranged in a cavity of the profiled beam (2); said retractable connection-locking mechanism extends into the T-shaped groove on the side of the profiled column (1) and fits to the upper plug (3) and the lower plug (4). The connection structure allows convenient assembly and disassembly, and features high rigidity and stability at the joint. A: A connecting structure for an embedment-type composite profile comprises a standing column (1) and a beam (2, 3) which are in forms of thin-wall column bodies formed by staggered embedding of elongated members. The standing column (1) and the beam (2, 3) are vertically connected through a connecting joint (4, 5) which comprises a bottom plate (41, 51) and a lug boss (42, 52). The lug boss (42, 52) is provided with a hole cavity (421,521) along the direction vertical to the bottom plate (41, 51). The lug boss (42, 52) and the beam (2,3) are connected by insertion matching, and the bottom plate (41, 51) and the side wall of the standing column (1) are connected through a fastener. The outer side wall of the standing column (1) is provided with a convex rib (11, 13) along the length direction, and the bottom of the bottom plate (41, 51) is provided with a guide groove (412, 511) capable of being matched by the convex rib (11, 13). The outer side wall of the standing column (1) is also provided with a protrusion (12, 14) propped against the lower edge of the bottom plate (41, 51). By using the vertical connection through the detachable connecting joint (4, 5) and the connection between the bottom plate (41, 51) of the connecting joint (4, 5) and the standing column (1) through a profiled bolt (7), not only a detachable connection can be realized, but also a tight joint between the double side walls of the standing column (1) of the composite structure can be ensured, thus providing a seamless connection between the double side walls of the standing column (1) and remarkably improving the strength and rigidity of the standing column (1). B: The present invention relates to a quick-adjusting locking mechanism, comprising a long and hollow profile frame body. The profile frame body is provided with a positioning groove arranged along the axial direction thereof and positions glass. The upper end at one side of the glass is fixedly provided with a locking profile. The locking profile is located in the positioning groove. The top part of the profile frame body is detachably clamped with a cover plate body. The cover plate body and the locking profile are matched and clamped for use in adjusting and positioning the position of the glass on the profile frame body. The present invention is simple in structure and convenient to use. The cover plate body and the locking profile match and are clamped to adjust and position the position of the glass on the profile frame body, and the positional relationship between the glass and the profile frame body may be adjusted according to the actual assembly situation, which has a wide range of applications. C: A frame forming structure for use with a frame and sash of an aluminum–wood combined door and window, the door and window at least comprising a door and window frame or a door and window sash and frame: the door and window frame or the door and window sash and frame is formed by connecting adjacent sectional frame bars (1) by means of an angle forming device (2) and a circular tenon rod (3) on adjacent connection end surfaces; connection end surfaces of two adjacent sectional frame bars (1) are manufactured to oppose an end plane of a normal sectional frame bar to assume a 0-60° cross section, respectively, and are mutually connected to form a perpendicular frame edge; the connection end surfaces of the two sectional frame bars (1) are processed to be provided thereon with a symmetrical U-shaped groove (4), which is used for positioning the angle forming device, and circular tenon rod hole (5), respectively; a circular tenon rod (6), which is used for positioning, is inserted into the circular tenon rod hole (5); after the adjacent sectional frame bars (1) are mutually coupled, a space (7) which is used for accommodating the assembly-type angle forming device (2) is formed at a coupling location, the assembly-type angle forming device (2) being formed by means of combining two halves of the angle forming device (21), wherein the two halves of the angle forming device (21) are each fixed in a corresponding U-shaped groove (4), which is used for positioning a sectional frame bar, by using a screw (22), and the two halves of the angle forming device (21) are mechanically tightened by means of a bevel gear pair mechanism, which is paired in a three-pronged engagement, to tightly fix and connect the two adjacent sectional frame bars (1). The present invention has the features of being capable of increasing connection strength at angle portions, increasing sealing performance after angle formation, improving the convenience of frame forming, increasing productivity, and the like. D: A display lightbox comprises profiles (1) forming a frame, and LED strip lights (2) disposed at an inner side of the frame. The display light box further comprises a corner connector (3) and a fastener member (4). Each corner of the frame is formed by joining and engaging two of the profiles (1). The profiles (1) have line symmetry and, from the center to two sides thereof, are sequentially provided with a first cavity (1-1), a second cavity (1-2), and a fabric insertion recess (1-3). The corner connector (3) has one end serving as a fixed end (3-1) and another end serving as a fastening end (3-2). The fastening end (3-2) is provided with a fastening notch (3-3), and shapes of the fixed end (3-1) and the fastening end (3-2) of the corner connector (3) match a shape of the first cavity (1-1). The fixed end (3-1) of the corner connector (3) is inserted into and fixed to the first cavity (1-1) of one profile (1) at a corner. The fastener member (4) is fixedly connected to the other profile (1) at the corner, and when the two profiles (1) at the corner are joined together, the fastening end (3-2) of the corner connector (3) is inserted into the first cavity (1-1) of the other profile (1) at the corner, and the fastener member (4) is fastened to and fixed within the fastening notch (3-3). The display lightbox has a clean design, and is aesthetically pleasing and easy to assemble and disassemble.

A

Please select the most similar patent number from A, B, C and D. Which number is? A lock latch, comprising: a lock latch module and a driving module; the lock latch module comprises a pull latch (3) mounted on a first main body, and an oblique pin rack (4) mounted on a second main body and adapted to the pull latch (3), the pull latch (3) being provided with a first insertion hole (31), the first insertion hole (31) having a hole width sufficient to accommodate the oblique pin rack (4); the driving module is used for driving the oblique pin rack (4) to move transversely, such that the oblique pin rack (4) engages with or disengages from the first insertion hole (31), in a snap-in position, of the pull latch (3). Said lock latch structure can achieve the splicing of inside and outside arcs with different arcs and planar splicing without the need to be accurately processed, and said lock latch can be used for splicing the first main body and the second main body together. A: A symmetric hot bending device for a round bamboo (24), comprising: a support (1), a first main body (2) transversely fixed above the support; two second main bodies (4), a third main body (6) vertically disposed at the middle of the first main body, an exploratory disposed on the third main body, first clamping rods (16), and a power module. Two transverse first guide rails (3) are symmetrically disposed on the first main body; the two second main bodies are respectively and correspondingly disposed in the two first guide rails; each of the second main bodies is provided with a vertical second guide rail (5); each of the second guide rails is provided with the first clamping rod; the power module is used for controlling the two second main bodies to synchronously and transversely move towards or away from each other in respective first guide rails, and is further used for controlling the two first clamping rods on the two second main bodies to synchronously move up and down in respective second guide rails; the exploratory is fitted with the first clamping rods at two sides, for use to fix and perform hot bending formation on the round bamboo. B: An intelligent security identification device and system. The security of the intelligent security identification device and system is improved. The security identification device comprises a body part (1), a ring band part and a lock catch part. The ring band part comprises a first ring band (2) and a second ring band (3). One end of the body part (1) is connected to one end of the first ring band (2), the other end of the body part (1) is connected to one end of the second ring band (3), a first wire is arranged in the first ring band (2), and a second wire is arranged in the second ring band (3). The lock catch part comprises a lock catch connector (4) and a lock catch insertion base (5). The other end of the first ring band (2) is connected to the lock catch connector (4), and the other end of the second ring band (3) is connected to the lock catch insertion base (5). The body part (1) comprises an IC module (11). One end of the first wire and one end of the second wire are both connected to the IC module (11), the other end of the first wire is connected to the lock catch connector (4), the other end of the second wire is connected to the lock catch insertion base (5), and when the lock catch connector (4) is matched with the lock catch insertion base (5), the lock catch part, the first wire, the second wire and the IC module (11) form a circuit. C: An arc-shaped lock catch, comprising an angle adjustment assembly (1). Two ends of the angle adjustment assembly (1) are provided with a drive assembly (2) and a locking assembly (3) respectively, one end of the angle adjustment assembly (1) is provided with a rotationally arranged arc lock seat (11), and the drive assembly (2) comprises a first drive member (21) which is disposed on the arc lock seat (11); a first transmission member (22) cooperates with the output end of the first drive member (21), and the first transmission member (22) has a first thread (221); and a second transmission member (22) is rotatably connected to the angle adjustment assembly (1), and has a second thread (231) that cooperates with the first thread (221). The arc-shaped lock catch provided by the present application drives the angle adjustment assembly (1) by means of the drive assembly (2) to rotate and adjust the angle between two adjacent LED display screen box bodies so as to achieve horizontal splicing, vertical splicing or splicing at a certain angle, and the angle adjustment, splicing and unlocking of the two adjacent LED display screen box bodies are automatically completed by means of the drive member. The operation is simple, the difficulty of the splicing operation of the LED display screen box bodies is reduced, which facilitates the assembling of an LED display screen. D: A locking cord, lock, and backpack combined structure. The structure comprises a locking cord (1), a combination lock (2), and a backpack (3). The combination lock (2) is located at the top, the front, one side or the back of the backpack (3); the combination lock (2) is provided with a catch; one end of the locking cord (1) is fixed on the backpack (3), and the other end is provided with a puller (11); the puller (11) is fixed on the combination lock (2) by means of the catch; the backpack (3) is provided with a hidden intermediate layer (6); the hidden intermediate layer (6) is provided at the left side or the right side of, or on a shoulder strap (7) of the backpack (3); the hidden intermediate layer (6) is used for accommodating and hiding the locking cord (1); the backpack (3) is provided with zipper tapes (4); two zipper heads (5) are provided on the zipper tapes (4) for controlling engagement or opening of the zipper; each zipper head (5) is fixed on the combination lock (2) by means of a catch. The combined structure can ensure the safety of an article in a backpack and ensure the safety of the backpack.

C

Please select the most similar patent number from A, B, C and D. Which number is? A torque balance device (100), a self-balancing joint (10), and a surgical robot (1). The torque balance device (100) comprises a first body portion (110), a second body portion (111), an elastic portion (120), and a transmission portion (130), wherein the first body portion (110) comprises a first connection end and a first opposite end opposite to the first connection end; the second body portion (111) comprises a second connection end and a second opposite end opposite to the second connection end; the second connection end of the second body portion (111) is rotatably connected to the first connection end of the first body portion (110); the elastic portion (120) is provided in the first body portion (110); and the transmission portion (130) and the second body portion (111) are connected to the elastic portion (120). A: A joint structure, comprising a first main body (1), a second main body (2), a motor (4), and a harmonic speed reducer (3). The harmonic speed reducer (3) is provided with a flexible wheel (31), a rigid wheel (32), and a wave generator (33); the second main body (2) comprises a first member (21) and a second member (22) fixedly connected to each other; the first member (21) is provided with a first hole (211); the harmonic speed reducer (3) is located in the first hole (211); the harmonic speed reducer (3) is located between the first main body and the second member (22); the rigid wheel (32) is fixedly connected to the first member (21); an outer peripheral wall of the rigid wheel (32) matches an inner peripheral wall of the first hole (211); the flexible wheel (31) is fixedly connected to the first main body (1); the second member (22) is provided with a first boss (223) and a second hole (221); an outer peripheral wall of the first boss (223) matches the inner peripheral wall of the first hole (211); a machine body of the motor (4) is fixed to the side of the second member (22) facing away from the first member (21); and a rotating shaft of the motor (4) passes through the second hole (221) and is then connected to the wave generator (33). The joint structure is easy to mount and operate, and the joint structure can adapt to high-speed operation. Further provided are an industrial robot, a mechanical arm, and an assembling method for the joint structure. B: A transport vehicle (V1) for a case body of a mobile power generation system, comprising: a chassis (100) comprising a main beam (110), and a lifting mechanism assembly (200) located on the chassis (100). The lifting mechanism assembly (200) comprises: a flipping frame (210) hingedly connected to the chassis (100) at a hinge position (MP) of the chassis (100), at least one flipping hydraulic cylinder (L1) connecting the flipping frame (210) and the chassis (100), and a connecting frame (230) configured to be detachably connected to the case body. A first body part (111) of the main beam (110) is located between the hinge position (MP) and a second body part (112), and a third plane (P3) where the surface of the second body part (112) facing the flipping frame (210) is located is further away from the connecting frame (230) relative to a first plane (P1) where the surface of the first body part (111) facing the flipping frame (210) is located; a part of the lifting mechanism assembly (200) is located between the first plane (P1) and the third plane (P3) when the angle value of a first included angle (A1) between the first plane (P1) and a second plane (P2) where the surface of the flipping frame (210) facing away from the first body part (111) is located is minimum. In this way, the installation and disassembly of the case body are simplified, and the disadvantageous increase of the height of the transport vehicle is avoided. In addition, also provided is an installation method for a case body of a mobile power generation system. C: A wearable electronic device, comprising a first main body portion; a second main body portion, the second main body portion being connected to the first main body portion; a wearable portion, connected to opposite ends of the first main body portion, the wearable portion being used to secure the first main body portion and the second main body portion onto an external object; a first antenna, arranged on the first main body portion or the second main body portion, the first antenna being used to transmit a radio frequency signal; and a second antenna, arranged on the wearable portion, the second antenna being used to transmit a radio frequency signal. D: Disclosed is a light blocking device (100), comprising a front support (1), a first baffle (2), a rear support (3) and a second baffle (4), wherein the front support (1) comprises a first support main body (11), a first sliding rail (12) and a first light passing port (110), and the first sliding rail (12) extends in a first direction; the first baffle (2) comprises a first main body portion (21) and a first sliding portion (22); the first main body portion (21) may slide relative to the front support (1) in the first direction by means of the first sliding portion (22), such that the first main body portion (21) at least partially covers the first light passing port (110); the rear support (3) comprises a second support main body (31), a second sliding rail (32), and a second light passing port (310) concentrically provided with the first light passing port (110); the second support main body (31) is fixed to the first support main body (11); the second sliding rail (32) extends in a second direction, and the second direction is perpendicular to the first direction; and the second baffle (4) comprises a second main body portion (41) and a second sliding portion (42), and the second main body portion (41) may slide relative to the rear support (3) in the second direction by means of the second sliding portion (42), such that the second main body portion (41) at least partially covers the second light passing port (310). Compared with the related art, the light blocking device (100) has a good blocking effect.

A

Please select the most similar patent number from A, B, C and D. Which number is? A ring-shaped permanently magnetic, low-frequency, vibration isolation mechanism based on the negative rigidity principle, comprising an upper rubber sheet (1), an inner ring-shaped permanent magnet stationary spindle (2), an upper pressing ring (3) of the upper rubber sheet, an outer pressing ring (4) of the upper rubber sheet, an outer ring-shaped permanent magnet (5), a lower rubber sheet (6), an inner pressing sheet (7) of the lower rubber sheet, an outer pressing ring (8) of the lower rubber sheet, an outer ring-shaped permanent magnet fixing sleeve (9), and an inner ring-shaped permanent magnet (10). The inner ring-shaped permanent magnet (10) is axially magnetized. The outer ring-shaped permanent magnet (5) is radially magnetized. The inner and outer ring-shaped permanent magnets form a positive rigidity system. The upper and lower rubber sheets form a negative rigidity system. The positive and negative rigidity systems are serially connected and used to form the low-frequency vibration isolation mechanism. Three or four single-degree-of-freedom isolation mechanisms can be serially connected to enable three-degrees-of-freedom low-frequency vibration isolation. The present invention can be applied in fields such as optics, acoustics, biology, semiconductor manufacturing, and precision measurement. The present invention is simple in structure, low in cost, easy to process, requires no external air source, and can be used in a vacuum. A: The present invention relates to the field of ultra-precision vibration damping. A compact magnetic mechanism with negative rigidity, comprising a machine frame (1), a negative rigidity adjustment component, a flexible guide component, and a motion component. The magnetic mechanism with negative rigidity utilizes the repulsion action of reversely arranged magnets to form a negative rigidity property, and the negative rigidity can be adjusted by the negative rigidity adjusting component. An ultra-low frequency vibration damper formed by connecting the magnetic mechanism with negative rigidity and a positive rigidity spring (40) in parallel has an extremely low dynamic rigidity, thus greatly reducing the inherent frequency thereof, such that the vibration damper has a good vibration isolation effect for high frequency vibration interference while effectively isolating ultra-low frequency vibration, thus being suitable for a vibration sensitive ultra-precision machining and measurement device. B: A radial permanent magnet floating bearing, comprising: a horizontal shaft (2), a support bearing (4), and a radial permanent magnet floating bearing (3); the permanent magnet floating bearing (3) comprises a stator pull-push magnet (31) disposed on a stator casing (1) via a magnetic substrate (322), and a rotor pull-push magnet (32) disposed on the horizontal shaft (2) correspondingly via an annular magnetic substrate (322), having a radial gap and forming an axial pull-push magnetic circuit with the stator pull-push magnet (31); the rotor pull-push magnet (32) consists of two or more annular permanent magnets axially and closely attached, with magnetic poles alternately arranged in the axial direction; the stator pull-push magnet (31) consists of two or more annular permanent magnets axially and closely attached, with magnetic poles alternately arranged in the axial direction, disposed over the horizontal panel where the axle center of the horizontal shaft (2) is located, and being symmetrical about the perpendicular bisection plane of the horizontal axis. The bearing has a simple structure and greatly reduces energy consumption, without wear or bearing maintenance. C: The present invention relates to the field of magnetic valves. Disclosed is a high-power bi-directional non-recovery spring magnetic valve comprising permanent magnets. The magnetic valve comprising permanent magnets has an upper magnetic circuit part and lower magnetic circuit part symmetrically disposed and connected together via an armature connection rod (7) and a housing connection ring (14); the upper magnetic circuit part comprises an upper iron core (8), an upper housing (9), an upper coil (10), an upper annular permanent magnet (11), an upper yoke iron (12) and an upper push rod (13); the lower magnetic circuit part comprises a lower iron core (6), a lower housing (5), a lower coil (4), a lower annular permanent magnet (3), a lower yoke iron (2) and a lower push rod (1). The magnetic valve comprising permanent magnets realizes bistable-state magnetic retaining, and has an adjustable retaining force for permanent magnet adjustment, quick response, and high output force. D: Disclosed is an axial permanent magnetic suspension bearing having micro-friction or no friction of the pivot point, comprising a support bearing (4) provided on a shaft serving as vertical, and a permanent magnetic suspension bearing (3) provided on the vertical shaft. The permanent magnetic suspension bearing (3) comprises a stator pull-push magnet (31) provided on a stator (1) and a rotor pull-push magnet (32) correspondingly provided on a rotor (2) by means of a soft magnetic material base (322) and axially separated from the stator pull-push magnet (31) to form a pull-push magnetic circuit. The stator pull-push magnet (31) and the rotor pull-push magnet (32) are respectively composed of two or more than two annular permanent magnets provided as radially closely fitting and with magnetic poles alternating in the radial direction, and upper and lower annular permanent magnets correspondingly in the same radial position have the same magnetic strength and inverse polarity. The stator pull-push magnet (31) and the rotor pull-push magnet (32) are radially spaced from the surface of the vertical shaft near an annular surface of the annular permanent magnets of the vertical shaft that is near the vertical shaft. The present invention has small magnets, is good to manufacture, is good to install, and has a high radial restoring force, while the force of attraction is great and frictional force is reduced by 98%.

A

Please select the most similar patent number from A, B, C and D. Which number is? A variable-output cam lever power device, comprising: a housing (1); a motor (2), the motor (2) having a rotating shaft (21); a cam (3), the cam (3) being mounted on the rotating shaft (21) in a detachable and replaceable manner, and a front end face of the cam (3) being provided with a cam track sliding groove (31); an output shaft (4), a linkage rod (5) being fixed at a rear end of the output shaft (4); a lever (6), a front end of the lever (6) being provided in a shaft hole (101) of the housing (1), a linkage plate (61) being formed in the middle of the lever (6), the linkage plate (61) being connected to the linkage rod (5), and a rear end of the lever (6) being provided in the cam track sliding groove (31) of the cam (3). A: Disclosed is a multi-station cam carrying mechanism, comprising a baseplate (1), a rotary shaft (2) arranged in the middle of the baseplate (1), an electric motor (3) in driving connection with the bottom of the rotary shaft (2), a rotary plate (4) arranged at an upper part of the rotary shaft (2), mounting frames (5) arranged on the baseplate (1), a mounting plate (6) arranged on the mounting frames (5), an annular sliding groove (7) provided on a bottom face of the mounting plate (6) along a cam trajectory, and a plurality of grabbing and transferring assemblies (8) annularly and uniformly arranged at intervals, with bottom parts thereof being slidably arranged on the rotary plate (4) and top parts thereof being slidably arranged in the sliding groove (7). The electric motor (3) drives a plurality of stations to carry products simultaneously, while the grabbing and transferring assemblies (8) perform a reciprocating movement along the cam trajectory, grabhooks (84) on the grabbing and transferring assemblies (8) perform a vertical reciprocating movement so as to grab and transfer the products, so that the products are sequentially transferred from one station to the next station. The present invention has a compact structure, reduces the size of an apparatus, improves the transferring efficiency, works stably and has a good effect when in use. B: A damper, and laundry machine using same. The damper comprises a rotating shaft (3), a cam mechanism (4), a buffer mechanism (5), and a stroke amplification mechanism (6). The rotating shaft (3) rotates about an axial direction. The buffer mechanism (5) provides a buffering force. The cam mechanism (4) is connected to the rotating shaft (3), and converts rotation with respect to the rotating shaft (3) into a linear reciprocating motion. The stroke amplification mechanism (6) is connected to the cam mechanism (4) and the buffer mechanism (5), and transmits and amplifies a small stroke of the cam mechanism (4) to provide a large stroke of the buffer mechanism (5). The stroke amplification mechanism (6) comprises a lever (61), and a fulcrum (613) divides the lever into a short arm (612) and a long arm (611). An end of the lever on the long arm (611) is connected to the buffer mechanism (5), and the end of the lever on the short arm (612) is connected to the cam mechanism (4). By employing the stroke amplification mechanism (6) to convert a small movement of the rotating shaft (3) into a large movement of the buffer mechanism (5), the present invention provides a design in which a small-angled rotation of the rotating shaft (3) can accurately provide a sufficient damping force, thus improving product safety, and providing superior user experience. C: A continuously variable valve lift device for a piston internal combustion engine, comprising a cylinder head (1), a camshaft (2) rotatably supported by the cylinder head (1), a cam (3) axially fixed to the camshaft (2), a hydraulic tappet (4), and a valve (5), further comprising a lever (6), an adjusting lever (7), an adjusting shaft (8), a guide shaft (9), a guide frame (10), and a return spring (11); a large arc face (61) is provided at one side face of the lever (6); one end portion of the adjusting lever (7) is in sliding contact with the large arc face (61) of the lever (6), and the other end of the adjusting lever (7) is connected to the adjusting shaft (8); the adjusting shaft (8) is rotatably supported by the cylinder head (1), and the adjusting shaft (8) can rotate and drive the adjusting lever (7) to swing, so that one end portion of the adjusting lever (7) moves in a circumferential direction along the large arc face (61); and one end of the lever (6) is in contact with or in indirect contact with the valve (5), the other end of the lever (6) is in contact with or in indirect contact with the cam (3), and both the valve (5) and the cam (3) are located on a side, opposite the large arc face (61), of the lever (6). Said device not only implements continuous variation of the valve lift, but also enables the valve lift to become zero. D: A speed changing device (1) comprises an outer-ring component (2), a mandrel (3), a plurality of cam components (5), and a plurality of inner gears (6). At least one outer gear (21) is comprised inside the outer-ring component (2). The mandrel (3) and the at least one inner gear (21) are coaxially and pivotally disposed on the outer-ring component (2). The mandrel (3) is provided with a central axis (30) and a plurality of cam junction portions (31) is disposed on the periphery of the mandrel (3). The plurality of cam components (5) is detachably sleeved on the plurality of cam junction portions (31), synchronously rotates along with the mandrel (3), and at least two of the plurality of cam components (5) has an angle phase difference that is not zero. The plurality of inner gears (6) is made of a rigid material, and is separately sleeved on the plurality of cam components (5) and does not move along with the plurality of cam components (5). The plurality of inner gears (6) engages with part of the at least one outer gear (21).

D

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed is a lubrication distributor monitoring system capable of monitoring a plurality of distributor bodies (1) simultaneously. The lubrication distributor monitoring system comprises a monitoring system (9) and several distributor bodies (1), wherein a second piston hole (31) is provided in each distributor body (1), a working piston (3) is slidably arranged in the second piston hole (31), each distributor body (1) further comprises a sensing apparatus (7) for sensing slippage of the working piston (3), and a transmission module (8) connected to the sensing apparatus (7), and a sensing signal of the sensing apparatus (7) is sent to the monitoring system (9) by means of the transmission module (8). By means of the arrangement of the sensing apparatuses (7) and the transmission modules (8), staff can observe working conditions of the distributor bodies (1) in real time without being on the scene, such that the workload of staff is reduced, and intelligent monitoring is achieved. A: An intelligent automatic feeding mechanism. The feeding mechanism comprises a feeding frame (6), a driving linkage (8) and a driven linkage (9) fixedly connected to the left and right sides of the feeding frame (6), a hydraulic rod (23) in drive connection with the driving linkage (8), and two hooking tooth mechanisms (1) fixedly provided at the front side of the feeding frame (6). The feeding mechanism further comprises: a first sensing device (2) used for outputting a first sensing signal under the effect of a side face of a waste container (24); a second sensing device (3) used for outputting a second sensing signal under the effect of a container edge of the waste container (24); two gravity sensing plates (7) used for detecting and outputting a pressure signal applied by the waste container (24); a waste container feeding limiting device used for limiting the ascending limit position of the waste container (24); and a control system connected to the first sensing device (2), the second sensing device (3), the two gravity sensing plates (7) and the waste container feeding limiting device by means of circuits respectively. Also disclosed is a control method for a feeding mechanism. The mechanism reduces the labor intensity of an operator, improves the operation efficiency, achieves the automation of a feeding cycle process, reduces the risk of container drop, and prolongs the service life of waste containers. B: A liquid distributing valve comprises a shell (1) and an oil supply channel (2). The shell (1) comprises an oil storage valve and a two-position three-way valve; the oil storage valve is separated into an oil storage chamber (31) and an oil pressing chamber (32) by a piston (4); the oil storage chamber (31) is communicated with an oil draining port (61) and is provided with a spring (5) butting against the piston (4); the two-position three-way valve comprises a valve chamber (7), a valve core (8) and a valve base (9); the valve chamber (7) is communicated with the oil pressing chamber (32) through an oil exchanging channel (10); an oil inlet (62) of the valve chamber (7) is communicated with the oil supply channel (2); a core hole (91) of the valve base (9) is communicated with the oil storage chamber (31) through a bypass oil channel (11). When the valve core (8) is located at a first valve position, the oil inlet (62) is plugged and the oil pressing chamber (32) is communicated with the oil storage chamber (31); when the valve core (8) is located at a second valve position, the core hole (91) is plugged and lubricating oil enters the oil pressing chamber (32) from the oil inlet (62), the piston is pushed to compress the spring, and the lubricating oil in the oil storage chamber (31) is drained from the oil draining port (61) and is conveyed to an appointed lubricating point. The liquid distributing valve is applicable to various lubricating demands, has a compact structure and high reliability and is convenient in maintenance. C: A soluble bridge plug adapter, comprising an adapter body (1) and a temperature acquisition and recording device (3). The temperature acquisition and recording device (3) is fixed on the adapter body (1), the adapter body (1) is used for connecting a setting tool and a soluble bridge plug, and the temperature acquisition and recording device (3) is used for measuring and recording the ambient temperature of the adapter body (1). Also provided are a dynamic well temperature measurement method using the soluble bridge plug adapter and a soluble bridge plug producing method. According to the soluble bridge plug adapter, the dynamic well temperature measurement method, and the soluble bridge plug producing method, the dynamic downhole ambient temperature can be measured when the soluble bridge plug is pumped, the operation is convenient, the cost is low, and a basis is provided for the material selection and design of ideal soluble bridge plugs used in this sector, thus facilitating the design of ideal soluble bridge plugs for use in the sector. D: An air tightness testing device for a wheel hub, the air tightness testing device comprising a testing machine (1), a telescopic arm (2), a water tank (3), an electric motor (4), a wheel hub (5) and a clamp (6), wherein a weight sensing device (7) is arranged at the bottom of the water tank (3), and the weight sensing device (7) is used for measuring the volume of water in the water tank (3); a first alarm device (8) is arranged on an outer surface of the water tank (3), and the first alarm device (8) is connected to the weight sensing device (7); liquid sensing devices (9) are arranged on the clamp (6), and the liquid sensing devices (9) are used for detecting whether the clamp (6) comes into contact with the water; and a second alarm device (10) is arranged on the testing machine (1), and the second alarm device (10) is connected to the liquid sensing device (9). The weight sensing device (7) is arranged below the water tank (3) and connected to the first alarm device (8), and the liquid sensing devices (9) are arranged on the upper and lower end faces of the clamp (6) to detect whether the wheel hub (5) is completely submerged in water, such that the device has a simple overall structure, the working efficiency of testing the air tightness of the wheel hub (5) is improved, and incomplete immersion of the wheel hub (5) due to insufficient water in the water tank (3) is avoided.

B

Please select the most similar patent number from A, B, C and D. Which number is? A hydraulic press implementing efficient sealing, comprising a hydraulic press body (17) and a first telescopic rod (7). The front surface of the hydraulic press body (17) is provided with a control panel (16), and the top end of the hydraulic press body (17) is provided with a support (6); the other side of the hydraulic press body (17) is provided with a control box (14); the bottom end of the hydraulic press body (17) is provided with castors (18), and one side of the hydraulic press body (17) is provided with a sleeve (4); a push rod 5 is embedded into the interior of the sleeve (4); a sealing layer (1) is provided in the hydraulic press body (17). The hydraulic press reduces dangerous situations and improves working and use efficiency. A: A stamping-resistant integrated hydraulic machine, comprising a base (1), a square supporting column (2), a rotary table (3), a lifting stamping device and die (5), a hydraulic oil cylinder (6), and a control panel (10) which are arranged in sequence from bottom to top. The hydraulic oil cylinder is disposed on the top of the lifting stamping device and die (5) and goes up and down along with the lifting stamping device and die. At least two guiding columns (4) are disposed in the position between the lifting stamping device and die and the base and close to the square supporting column. The square supporting column is disposed at one side of the base (1). The rotary table is driven by a rotary shaft (7) and a motor (8) to rotate above the base (1). An air rubber spring (9) is further connected between the rotary table and the base. A compression spring (14) is further sleeved in the air rubber spring. Both ends of the air rubber spring and both ends of the compression spring are respectively fixed to the bottom of the rotary table and the top of the base. The stamping-resistant integrated hydraulic machine is convenient to operate and has a good vertical lifting degree. B: An automatic printing paste stirrer, comprising a stirrer body (1), support legs (2), a groove (3), a hydraulic rod (4), a first pulley (5), a shell (6), a hydraulic station (7), a servo motor (8), a two-way gear pump (9), a hydraulic oil tank (10), a bracket (11), a sliding chute (12), a stirring station (13), a second pulley (14), a paste cup (15), a control switch (16), a control panel (17), stirring shafts (18), a suspended hood (19), universal pipes (20), illuminating lamps (21), lifting lugs (22), a connecting port (23), a negative pressure fan (24), an air delivery pipe (25), a processing box (26), an air inlet (27), and an air outlet (28). The hydraulic rod (4) is mounted in the groove (3); one end of the hydraulic rod (4) is mounted with the first pulley (5); the hydraulic station (7) is mounted at the inner side of the support leg (2); one side of the control switch (16) is mounted with the control panel (17); the suspended hood (19) is sleeved at the top of the stirring shaft (18); one end of the top of the shell (6) is mounted with the universal pipe (20); one end of the universal pipe (20) is mounted with the illuminating lamp (21); the lifting lugs (22) are welded at four corners of the top of the shell (6); the negative pressure fan (24) is mounted at one side of the connecting port (23); and one side of the connecting port (23) is connected to the processing box (26) by means of the air delivery pipe (25). The automatic printing paste stirrer has the advantages of convenient movement, high stability during work, easy transportation, and can improve the working environment, facilitate mixing effect observation, and is beneficial to enterprise production. C: Provided is a print washing fastness tester, comprising a tester body (1), support legs (2), a groove (3), a hydraulic rod (4), a slide wheel (5), a hydraulic station (6), an electric control box (17), a control panel (18), a fixed rotary shaft (21), a protective housing (22), a shock-absorbing base (25), and a top plate (30); the support legs (2) are mounted at the bottom end of said tester body (1); the groove (3) is provided inside the support leg (2); the hydraulic rod (4) is mounted inside the groove (3); the slide wheel (5) is mounted at one end of the hydraulic rod (4); the hydraulic station (6) is mounted on the inner side of the support legs (2); a support post (16) is mounted on one side of the top of the tester body (1); the electric control box (17) is mounted at one end of the support post (16); the control panel (18) is mounted on one side of the electric control box (17); the protective housing (22) is mounted on the two sides of the top end of the electric control box (17) by means of the fixed rotary shaft (21); the shock-absorbing base (25) is mounted at the bottom end inside the housing (10); the print washing fastness tester is convenient to move and is highly stable when operating; the electric control box (17) is also better protected and the internal components can be protected, increasing the service life of the instrument. D: Disclosed is an efficient rust removal device, comprising a deruster body (1), wherein a base (8) is arranged outside the deruster body (1); a rust removal liquid jet tube (9) is mounted on one side of the base (8); a handle (17) is mounted on the other side of the base (8); a high-pressure oil mist jet tube (2) is mounted below one side of the base (8); a control panel (3) is mounted on the front side surface of the base (8) in an embedded manner; expanding pulleys (7) are mounted below the base (8); and a grinding head (19) is mounted on the side, close to the expanding pulleys (7), of the lower part of the base (8). A rubber dust cover (6) is provided, and the rubber dust cover (6) is used, such that dust generated during grinding can be controlled and prevented from flying away and injuring the respiratory organs of an operator, and accordingly, the quality of the working environment is thus improved.

A

Please select the most similar patent number from A, B, C and D. Which number is? A pipeline leakage detection apparatus and method employing a particle swarm optimization-based variational mode decomposition (PSO-VMD) algorithm. The method comprises: using acoustic emission devices (1, 2, 3) to acquire acoustic emission signals when no leakage occurs and when leakage occurs; acquiring, by means of a PSO-VMD algorithm, a pre-configured scale K and a penalty coefficient α for decomposition of the acoustic emission signal; performing variational mode decomposition (VMD) on the signal to acquire K intrinsic mode function (IMF) components; performing signal reconstruction by using a method employing an energy value, so as to acquire an optimal de-noised observation signal; selecting a time domain feature parameter of the reconstructed signal; and performing leakage detection by means of a support vector machine (SVM) algorithm. The method allows pipeline leakage to be detected in a timely manner, and resolves the issue in which a false alarm rate on a pipeline is high. A: Disclosed is a fault diagnosis method under the effect of a center frequency convergence trend, comprising (1) acquiring a dynamic signal x(t) of a rotating mechanical device; (2) setting initial decomposition parameters of a variational model; (3) decomposing the dynamic signal x(t) using the variational model with the initial decomposition parameters, under the guidance of the center frequency convergence trend, iterating the signal analysis frequency band to decompose the dynamic signal x(t) to obtain an optimized mode {m 1 ... m n ... m N } and corresponding center frequency {ω 1 ... ω n ... ω N }; (4) searching for a fault-related mode m I , guiding parameter optimization with the center frequency ω I of the fault-related mode m I , and extracting an optimal target component aa containing fault information; (5) performing envelope analysis of the optimal target component aa, and diagnosing the rotating mechanical device according to the envelope spectrum. In the fault diagnosis method of the present invention, a center frequency convergence trend-guided decomposition method is used to achieve smart decomposition of an original dynamic signal of a diagnostic target device; thus it is possible to adaptively analyze the acquired device dynamic signal, reducing the difficulty for a technician to use the variational modal decomposition method to diagnose mechanical faults. B: A structural damage identification method based on ensemble empirical mode decomposition and a convolution neural network. The method comprises: selecting an acceleration response signal of a structure as an analysis object; using ensemble empirical mode decomposition technology to decompose the acceleration response signal, so as to obtain a series of intrinsic mode functions (IMFs); selecting an intrinsic mode function (IMF) containing a structural natural vibration frequency for reconstruction; and then using a one-dimensional convolution neural network to perform feature extraction and damage classification on a reconstructed signal, thereby obtaining an identification result of a structural damage position. C: A pipeline leakage position calculation method based on beam forming. The method comprises: arranging a reference sensor on an outer wall of one end of a target pipeline, and arranging a plurality of auxiliary sensors at intervals on an outer wall of the other end of the target pipeline, wherein the plurality of auxiliary sensors and the reference sensor are arranged in a straight line to form a multi-element linear sensor array; if pipeline leakage occurs, collecting a leakage signal by means of each sensor in the multi-element linear sensor array, and sending the leakage signal to a signal processing terminal; and the signal processing terminal using an auto-spectrum-excluding cross-power spectrum beamforming algorithm to carry out joint calculation on a sound source position where the pipeline leakage occurs and the speed of a sound wave signal being propagated along the pipeline, and then outputting a positioning result. D: A signal noise filtering method, an apparatus, a storage medium, and a lidar. The method comprises: performing ensemble empirical mode decomposition on an initial difference frequency signal generated by a lidar, and obtaining a component set corresponding to the initial difference frequency signal (S101); acquiring an autocorrelation function energy value corresponding to each noise-containing component in the component set, and acquiring a boundary component corresponding to a largest autocorrelation function energy value among the noise-containing components (S102); performing wavelet threshold denoising on adjacent high order noise-containing components of the boundary component, and obtaining a denoise component corresponding to the adjacent high order noise-containing components (S103); performing signal reconstruction on the basis of a spectrum band region in the frequency spectrum where the initial difference frequency signal is located and on the basis of the denoise component and the boundary component, and obtaining a denoised time domain difference frequency signal (S104). The present method can improve the signal-to-noise ratio of a difference frequency signal, and improve the success rate of active difference frequency frequency extraction.

C

Please select the most similar patent number from A, B, C and D. Which number is? A smart filament light structure, comprising a stem (1), an antenna (2), a signal transmitting/receiving module (3), and a driver board (4). The stem (1) comprises a shoulder part (11) and a button (12). The shoulder part (11) of the stem (1) is provided with multiple first lead wires (111). The button (12) of the stem (1) is provided with a second lead wire (121). Light filaments (5) are provided between the first lead wires (111) and the second lead wire (121). A connecting lead wire (13) is provided on the stem (1) to form a circuit loop. One end of the connecting lead wire (13) is connected to one of the first lead wires (111); the other end of the connecting lead wire (13) forms a first connecting end (131). A second connecting end (14) connected to the second lead wire (121) is led out from the stem (1). One end of the antenna (2) protrudes the shoulder part (11) of the stem (1); the other end of the antenna (2) forms a third connecting end (21). The signal transmitting/receiving module (3) is connected to the third connecting end (21). The driver board (4) is connected to the first connecting end (131) and the second connecting end (14), a current flows in via the first connecting end (131), then runs through the light filament (5), and then flows out from the second connecting end (14). As such, implemented are the antenna (2) not being susceptible to interference and shielding, structural simplicity, and increased use effects of the filament light. A: A control circuit and a display device. The control circuit comprises a timing control panel (1) and a printed circuit board (3). The timing control panel comprises a first connecting terminal (11), a switch (12), and an operating circuit. The first connecting terminal (11) is connected to a control end (121) of the switch (12), a first voltage (V1) is available at an input end (22) of the switch (12), and an output end (123) of the switch (12) is connected to the operating circuit. The printed circuit board (3) comprises a second connecting terminal (31), a third connecting terminal (32), and a fourth connecting terminal (33) that are arranged in sequence. The voltage on the third connecting terminal (32) is different from the voltage on the second connecting terminal (31) and the voltage on the fourth connecting terminal (33). The first connecting terminal (11) is electrically connected to any one of the second connecting terminal (31), the third connecting terminal (32), and the fourth connecting terminal (33). When the first connecting terminal (11) is connected to the third connecting terminal (32), the switch is turned on. When the first connecting terminal (11) is connected to the second connecting terminal (31) or the fourth connecting terminal (33), the switch is turned off. By means of the control circuit, the burnout of an operating circuit caused by inserting a connector slantwise is avoided. B: A hair curling apparatus with a far infrared function, comprising a rod head (1) and a main machine (2), the rod head (1) and the main machine (2) having a plug connection by means of the four mutually engaging pairs of a first connecting end (J1), a second connecting end (J2), a third connecting end (J3), and a fourth connecting end (J4); a power source circuit (20) and a control circuit (21) are arranged in the main machine (2), and a heating element (10), a temperature measurement element (11), and an LED far infrared light-emitting group (12) are arranged in the rod head (1); the two ends of the heating element (10) are respectively electrically connected to the power source circuit (20) and the control circuit (21) by means of the first connecting end (J1) and the second connecting end (J2); one end of the temperature measurement element (11) is connected to the control circuit (21) by means of the third connecting end (J3), and the other end is grounded by means of the fourth connecting end (J4); one end of the LED far infrared light-emitting group (12) is connected to the power source circuit (20) by means of the first connecting end (J1), and the other end is grounded by means of the fourth connecting end (J4). There is no need to add new circuit connection points for the LED far infrared light-emitting group (12), and the working state of the LED far infrared light-emitting group (12) is not affected by the operation of the heating element (10), enabling the main machine to be compatible with rod heads of traditional curling rods; use is convenient, and production costs are reduced. C: A test probe (20) of a detection apparatus. The test probe comprises a probe sheath (10) and the probe (20). The probe sheath (10) comprises a first connecting end (11), a second connecting end (12) and a connecting lead (13). The connecting lead (13) is flexibly connected between the first connecting end (11) and the second connecting end (12). The probe (20) is inserted on the second connecting end (12). The first connecting end (11) is welded onto a test PCB board (30) and forms a first signal connection area on that position. Other signal connection areas are provided on the test PCB board (30). Since the connection lead (13) is flexibly connected between the first connecting end (11) and the second connecting end (12), when the probe is inserted on the second connecting end (12), the probe (20) can be inserted into the test PCB board (30) from other signal connection areas and from a long distance and with a large span, thereby completing a test task for a functional module on a test board under the test PCB board (30). D: An LED filament lamp is provided, comprising a bulb, a supporting rod, at least two power cables, and at least two LED filament bars. Each LED filament bar comprises a substrate, an LED chip disposed on the substrate, and an electrode plate fixed to two ends of the substrate. One end of the electrode plate is electrically connected to the LED chip on the substrate, and the other end thereof is electrically connected to the electrode plate of another LED filament bar or to one end of a power cable, such that the LED filament bar and the at least two power cables form an electrically connected structure. One end of the supporting rod is fixed to the bulb, and the other end thereof is connected to at least one LED filament bar so as to support the LED filament bar. The supporting rod of the LED filament lamp of the present invention replaces a stem and a metal wire of an existing LED filament lamp, and the electrode plates of the LED filament bars are directly electrically connected to each other in an inventive manner, such that the LED filament lamp has the advantages of a highly reliable structure and a simple production process.

D

Please select the most similar patent number from A, B, C and D. Which number is? A two-color heat-shrinkable tube and straight LED light sleeved with the same, the heat-shrinkable tube (3) being divided along a longitudinal direction thereof so as to form two curved segments (31, 32) of different colors when viewed in a cross-section, one segment being a light-transmitting colored curved segment (32) and the other segment being a light-reflecting colored curved segment (31); a central angle (α) corresponding to the light-transmitting colored curved segment (32) is 30-180 degrees. The straight LED light sleeved with the two-color heat-shrinkable tube has an easily recognizable light-emission surface when mounted; the whole light appears more aesthetically pleasing since a back aluminum strip is covered when the light is off; and a shadow at 5-10 mm on both sides of the aluminum strip is eliminated when light is on, thus improving illumination. A: An LED lamp, comprising: an LED tube and a reflector (21); the LED tube comprises a substrate (22) and LED light strip (23); substrate (22) has an extension structure extending along the LED tube; the extension structure has a cross-section in the shape of a triangle or a V-shaped protrusion; LED light strip (23) is joined to the inclined surfaces of two sides of the protrusion, thus forming two light emitting surfaces; reflector (21) has an extension structure extending along the LED tube; the cross-section of the extension structure is two domes connected side-by-side, the bottom ends thereof having openings; reflector (21) is connected, by means of the connected ends of the domes, to the protrusion of the substrate and the openings of the domes face the light emitting surfaces; each of the light emitting surfaces is located within the enclosure of a dome; the area of the openings of the domes is greater than the area of the light emitting surfaces; each of the light beams of the light emitting surfaces shines toward the corresponding inside wall of a dome, and is reflected via the inside wall of the dome; the part of the light not blocked at the opening of the dome by the light emitting surfaces is emitted. The lamp effectively improves efficiency of light control and prevents glare. B: Disclosed is an 1E-grade bilayer heat-shrink tube for a nuclear power station, the tube comprising an outer layer and an inner layer, the inner layer being a hot melt adhesive layer and the outer layer being a heat-shrink layer; the outer layer consists of the following components: by weight, 20-40 parts of low density polyethylene, 60-80 parts of an ethylene-methyl acrylate copolymer, 40-60 parts of an ethylene-propylene rubber, 20-40 parts of decabromodiphenylethane, 10-20 parts of antimonous oxide, 8-15 parts of dysprosium oxide, 4-8 parts of a composite antioxidant, and 1-2 parts of a light stabilizer; the inner layer consists of the following components: by weight, 100 parts of an ethylene-methyl acrylate copolymer, 10-30 parts of an ethylene-propylene rubber, 8-15 parts of dysprosium oxide, 4-8 parts of a composite antioxidant and 1-2 parts of a light stabilizer. The 1E-grade bilayer heat-shrink tube for a nuclear power station in the present invention has excellent water-proof and moisture-proof performance, excellent heat resistance, radiation resistance, and high-temperature and high-pressure steam resistance, and the required insulating performance and voltage resistance. C: A laser tourniquet. A metal tourniquet (1) is installed at the end portion of a laser fiber. The metal tourniquet is installed on the fiber (3) through a fastener (2) or heat-shrinkable tubing. The metal tourniquet comprises a spherical head. The metal spherical head can convert laser energy into thermal energy, and the metal spherical head directly contacts and presses bleeding tissue to achieve a bleeding control function, thereby avoiding disadvantages in earlier laser bleeding control such as a small action area, difficulties in finding the position of an optimal action point and in selecting an action direction of laser accurately, and lack of compressed action on the target tissue. It is proved through many times of test that the tourniquet has a desirable effect in bleeding control and is convenient to use. D: A heat shrinkable film (11), the heat shrinkable film (11) being used to be heat-shrunk on surfaces of a box body (12), the size of an opening (21) of the heat shrinkable film (11) being larger than the perimeter of the box body (12) in the width and height dimensions (22) by a preset value, and the heat shrinkable film (11) having uniformly distributed vent holes (31). In this technical solution, the heat shrinkable film (11) is, after being heat-shrunk, tightly fitted to the box body (12) and is flat and wrinkle-free.

A

Please select the most similar patent number from A, B, C and D. Which number is? A vehicle lamp (100) and a motor vehicle using the vehicle lamp (100). The vehicle lamp (100) comprises a first lamp assembly and a second lamp assembly. The first lamp assembly and the second lamp assembly share one light guide block (2) and are arranged above the light guide block (2) in a stacked manner, such that the first lamp assembly is closer to the light guide block (2) than the second lamp assembly. The first lamp assembly comprises a first light source (S KINK ) and a first light guide (1). The first light guide (1) has a first reflective surface (11). The first reflective surface (11) is capable of reflecting light from the first light source (S KINK ) towards the light guide block (2). The second lamp assembly comprises a second light source (S DRL ) and a second light guide (3). The second light guide (3) is capable of receiving and emitting light from the second light source (S DRL ), and at least part of the emitted light is incident into the light guide block (2). The light guide block (2) comprises a second reflective surface (22) and an exit surface (23), and light from the first lamp assembly and the second lamp assembly is reflected by the second reflective surface (22) and exits from the exit surface (23). A: Provided is a light guiding device (10), comprising a first light incident end surface (100) for receiving a first light, a second light incident end surface (102) for receiving a second light, a light exit surface (104) and a light reflecting surface (106) disposed opposite to the light exit surface (104). The light reflecting surface (106) is configured to perform a reflecting operation on the first light and the second light, and the first light and the second light after the reflecting operation are emitted from the light emitting surface (104). Also provided is a cosmetic mirror with a light guiding device (10). The light guiding device (10) and the cosmetic mirror having the light guiding device (10) are respectively provided with illuminants at both ends of a light guiding body (110), so that the light generated by the illuminant is transmitted from opposite ends of the light guiding body (110) to achieve the purpose of improving the uniformity of the emitted light. B: A backlight module (100), comprising: a light guide plate (1), which includes a light entrance surface (11) and a light exit surface (12) as well as a light propagation guide rail (13), the light entrance surface (11) comprises a first light entrance area (111) and a second light entrance area (112) adjacent to the first light entrance area (111), the light propagation guide rail (13) extends from the first light entrance area (111) to inside of the light guide plate (1), and is used to surround and form a light propagation channel (130), and a notch (131) facing the light exit surface (12) is formed on the light propagation guide rail (13); a light bar (2), which includes a first light source (21) and a second light source (22), the first light source (21) is directed to the first light entrance area (111), so that the light of the first light source (21) enters the light propagation channel (130), and is reflected by the light propagation guide rail (13), and is then sequentially emitted from the notch (131) and the light exit surface (12), the second light source (22) is directed to the second light entrance area (112,) so that the light of the second light source (22) enters the light guide plate (1), and is then emitted from the light exit surface (12); a control circuit (3), which is electrically connected to the first light source (21) and the second light source (22), and used to control the switching state of the first light source (21) and the second light source (22). A liquid crystal display (200) applying the backlight module (100). The backlight module (100) and the liquid crystal display (200) can achieve partition display. C: A light emitting device (100) and a vehicle lamp (200) using same. The light emitting device (100) comprises two light sources (111, 112), a first light conductor (121) and a second light conductor (122) arranged side by side, and a light guide element (130). The first light conductor (121) comprises a first light incident surface (1211) and a first end surface (1212); the second light conductor (122) comprises a second light incident surface (1221) and a second end surface (1222); the first light incident surface (1211) and the second light incident surface (1221) are arranged on the same side; the first end surface (1212) and the second end surface (1222) are arranged on the same side; the two light sources (111, 112) are respectively disposed on the first light incident surface (1211) and the second light incident surface (1221); and the light guide element (130) is disposed on the first end face (1212) and the second end face (1222), wherein the first light conductor (121) comprises a light exit portion (123), and the light exit portion (123) is provided on the first end face (1212) close to the first light conductor (121). Two light paths are formed by providing the two light conductors (121, 122) arranged side by side and the light guide element (130), so that the light emitted by the two light sources (111, 112) is respectively conducted and converged to the light exit portion (123), thereby improving the luminous flux of the light exit portion (123) and reducing the optical expansion amount of the entire light emitting device (100). D: Disclosed is a light supplementation device (100), comprising a mounting plate (6) as well as a first lamp bank (1) and a second lamp bank (2) disposed thereon. Light emitted from a first light emitting element (11) of the first lamp bank (1) exits from a first light-exiting surface (122) of a first prism (12), the first prism (12) having a first prism angle. Light emitted from a second light emitting element (21) of the second lamp bank (2) exits from a second light-exiting surface (222) of a second prism (22), the second prism (22) having a second prism angle. The first prism angle is different from the second prism angle such that light from the first lamp bank (1) and light from the second lamp bank (2) exit to different directions so as to supplement light for different ranges (51) of an area subject to light supplementation (5), thereby avoiding nonuniform brightness caused by light supplementation in a single direction. The mounting plate (6) realizes the combination and assembly of lamp banks with different light exiting directions, avoiding the complexity of respectively installing a plurality of lamp banks.

C

Please select the most similar patent number from A, B, C and D. Which number is? Provided is an optical system for replaceable lens of stage lamps and lanterns, comprisingreplaceable light source (1), focusing lens group (21), enlarging lens group (22) and fixed lens group (3) arranged in sequence along the optical axis, the focusing lens group (21) and the enlarging lens group (22) are movable along the optical axis direction, the lens in the fixed lens group (3) is provided in the optical axis. By providing the replaceable fixed lens group (3) in the optical axis, the lamps and lanterns can be replaced with different types of fixed lens groups (3) according to actual requirements, that is, the optical effects such as the projection angle of the lamps and lanterns, the uniformity of the spot, and the softening degree of the edge of the spot can be changed, which makes the application more flexible. A: A light effect adjusting system, comprising a light source module (100), and a focusing module (200), an amplifying module (300), and a light emitting lens (400) which are sequentially provided in a light beam projection direction of the light source module (100). The focusing module (200), the amplifying module (300), and the light emitting lens (400) are mounted on a stage lamp support, and the focusing module (200) and the amplifying module (300) can slide independently in the direction of a light path; an effect module (500) is further provided between the focusing module (200) and the light emitting lens (400) in a sliding manner; the effect module (500) comprises one or more effect pieces (530) capable of entering or leaving the light path, and movement of the effect module (500) and movement of the amplifying module (300) are independent of each other and do not affect each other. The effect module (500) capable of sliding independently is independently provided, so that the effect module (500) can avoid the amplifying module (300), the problems of limitation of the amplifying module (300) on entering of the effect pieces (530) and limitation of entering of the effect pieces (530) on lamp angle adjustment are solved, the entering of the effect pieces such as prisms and atomization pieces can be performed on the stage lamp in all angles, so that the stage lamp can present richer stage effects. B: An optical lens set (55), a camera module (50), and an electronic device (100). The optical lens set (55) comprises a first lens and a second lens. The first lens comprises a first lens barrel (551) and a first lens group (M) fixed in the first lens barrel (551). The first lens group (M) has a positive optical power. The second lens is located on the image side of the first lens. The second lens comprises a lens motor (552) and a focusing anti-shake lens set mounted in the lens motor (552). The focusing anti-shake lens set comprises one or more focusing anti-shake lenses (N1). The lens motor (552) is used to drive the focusing anti-shake lens set in the direction of the optical axis of the optical lens set (55), and is also used to drive the focusing anti-shake lens set to move on a plane perpendicular to the optical axis. The camera module (50) comprises the optical lens set (55). The electronic device (100) comprises the camera module (50). The optical lens set (55) has a less complex structure and a lower cost investment. C: A lens module (1), comprising a housing (10), a first support frame (30), a lens assembly (40), a focusing drive assembly (50), and an anti-shake drive assembly (60). The first support frame (30) is installed in the housing (10) and can move in the optical axis direction of the lens assembly (40) relative to the housing (10). The lens assembly (40) is installed in the first support frame (30), and can move in a direction perpendicular to the optical axis direction of the lens assembly (40) relative to the first support frame (30), and cannot move in the optical axis direction of the lens assembly (40) relative to the first support frame (30). The focusing drive assembly (50) is disposed on the housing (10) and the first support frame (30), so as to drive the first support frame (30) to drive the lens assembly (40) to move in the optical axis direction of the lens assembly (40). The anti-shake drive assembly (60) is disposed on the lens assembly (40) and the housing (10), so as to drive the lens assembly (40) to move in the direction perpendicular to the optical axis direction of the lens assembly (40). The focusing drive assembly (50) drives the first support frame (30) to drive the lens assembly (40) to move in the optical axis direction of the lens assembly (40) so as to carry out an automatic focus function thereof. The anti-shake drive assembly (60) drives the lens assembly (40) to move in the direction perpendicular to the optical axis of the lens assembly (40) so as to carry out an anti-shake compensation function thereof. D: An assembling method for an optical camera lens, comprising: preparing first and second camera lens parts (100, 200) which are separate from each other; pre-locating the first and second camera lens parts (100, 200); adjusting and determining, according to active calibration, relative positions of the first and second camera lens parts (100, 200); and bonding the first and second camera lens parts (100, 200), the two being fixed and retained at the relative positions determined on the basis of the active calibration. A first lens (101) has a mark (109) and the mark (109) can be presented in an image with an optical axis calibration lens as a photographic object; and in the pre-locating step, the optical axis calibration lens is photographed, a first optical axis position is identified according to the mark (109) presented in the photographed image, and pre-locating is performed according to the identified first optical axis position and the second camera lens part (200). The assembling method for an optical camera lens, an assembling method for a photographic module, and the corresponding optical camera lens and photographic module can ensure, during pre-locating, that a camera lens has a stable loading position, and can improve the production efficiency and the product yield.

A

Please select the most similar patent number from A, B, C and D. Which number is? A lighting control device for an LED and a fluorescent lamp comprises a human body detector (1), a controller (2), an LED drive circuit (4), a fluorescent lamp drive circuit (6), and an illumination sensor (9). The human body detector (1) is used for detecting whether a human being enters or moves around. The illumination sensor (9) is used for detecting the brightness of a surrounding environment. The LED drive circuit (4) is connected to a k2 of the controller (2) and the K2 controls the switching on/off of the LED drive circuit (4). The fluorescent lamp drive circuit (6) is connected to a k3 of the controller (2) and the K3 controls the switching on/off of the fluorescent lamp drive circuit (6). When the illumination sensor (9) detects that the environment brightness is lower than a preset value D1 and at the same time, the human body detector (1) detects that a human being enters or moves in a detection range, the k3 is switched on. When no human being exists, the k2 is controlled to be switched on and the k3 is switched off. The normal working states of the k2 and the k3 are opposite to each other, but when the two are switched, the k3 is first to be switched on, the k2 is switched off after a time delay, thereby avoiding the phenomenon that the k2 and the k3 are simultaneously switched on and switched off at the same time. A: An apparatus and method for automatically monitoring a heat source in a home kitchen. The apparatus comprises: a controller (7), and a stepping electric motor control circuit, an infrared detector (1), a stepping electric motor 0° position recognition circuit, a status indicator light (10), a button (9) and a voice circuit, which are connected to the controller (7), wherein the stepping electric motor control circuit is connected to a stepping electric motor (5); and the infrared detector (1) comprises a driving circuit, a dual-element pyroelectric infrared sensor (24), a filter amplifier, a gate screen execution mechanism, and a Fresnel lens (13). The method comprises: by means of data analysis of two states, i.e. human body monitoring and heat source scanning, automatically recognizing an enabled state of a fixed heat source when there is no person in a kitchen, automatically determining a voice playing period according to the radiation intensity of the fixed heat source, and automatically playing voice alarm information. A fixed heat source in a kitchen can be effectively monitored, and intelligent home control over automatically recognizing a situation in which there is a person in a room and a situation in which there is no person in a room can be achieved. B: An OLED pixel driver circuit and an OLED display device. The OLED pixel driver circuit adopts a 4T1C structure, and is provided with a changeover switch (K), a first pin (K1) of the changeover switch (K) being electrically connected to a drain of a third thin film transistor (T3), a second pin (K2) being electrically connected to a digital-to-analog converter (DAC), a third pin (K3) being electrically connected to an analog-to-digital converter (ADC); said driver circuit controls, by means of a switch signal (Switch), the changeover switch (K) to connect the first pin (K1) and the second pin (K2) so as to enter a display mode, and controls, by means of the switch signal (Switch), the changeover switch (K) to connect the first pin (K1) and the third pin (K3) so as to enter a sensing mode, such that the analog-to-digital converter (ADC) senses a threshold voltage (Vth) of a fourth thin film transistor (T4), which is used, after the analog-to-digital conversion, for data compensation in the display mode. Accordingly, the invention has the compensation function, being able to improve the display uniformity, and improve the aperture ratio of pixels, reducing the manufacturing cost. C: An apparatus and method for automatically monitoring a heat source in a home kitchen. The apparatus comprises: a controller (7), and a stepping electric motor control circuit, an infrared detector (1), a stepping electric motor 0° position recognition circuit, a status indicator light (10), a button (9) and a voice circuit, which are connected to the controller (7), wherein the stepping electric motor control circuit is connected to a stepping electric motor (5); and the infrared detector (1) comprises a driving circuit, a dual-element pyroelectric infrared sensor (24), a filter amplifier, a gate screen execution mechanism, and a Fresnel lens (13). The method comprises: by means of data analysis of two states, i.e. human body monitoring and heat source scanning, automatically recognizing an enabled state of a fixed heat source when there is no person in a kitchen, automatically determining a voice playing period according to the radiation intensity of the fixed heat source, and automatically playing voice alarm information. A fixed heat source in a kitchen can be effectively monitored, and intelligent home control over automatically recognizing a situation in which there is a person in a room and a situation in which there is no person in a room can be achieved. D: A photoelectric sensor for automatically adjusting light of a constant-light table lamp. The photoelectric sensor is located on a base of the table lamp. Illuminance of a location point of the photoelectric sensor is approximately equal to average illuminance of a working plane illuminated by the table lamp, and an error is within 30%. The photoelectric sensor comprises: (1) a detection circuit, for detecting whether light of external environment and the luminance and wavelength of the light emitted by the lamp change, converting an optical signal into an electric signal and sending the electric signal to a light adjustment control circuit; (2) the light adjustment control circuit, for analyzing and processing the electric signal sent by the detection circuit, so as to identify whether it is the light of the external environment or the light emitted by the lamp, and if the light of the external environment changes, outputting a control signal to adjust the luminance of the lamp, so that the total luminance, that is, the luminance of the light of the external environment plus the luminance of the light emitted by the lamp, stays within a range required by the user; otherwise, not adjusting the luminance of the lamp. The photoelectric sensor enables the luminance of the lamp to automatically stay in an appropriate range.

D

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed is an LED induction lamp for buildings. The LED induction lamp comprises a fixed block (2), wherein a lampshade (3) is arranged at a lower end of the fixed block (2); a plurality of LED lamps (5) are equidistantly arranged inside the lampshade (3) in a surrounding manner; an infrared sensor (7) is arranged on an inner wall at one side of the lampshade (3); a groove is formed in a fixed seat (1); the fixed block (2) is arranged in the groove; fixing devices (9) are arranged at both ends of the groove; a connecting rod (6) is arranged at an upper end of the fixed block (2); a cross rod (8) is transversely arranged on the connecting rod (6); a sound-sensitive sensor (7) is arranged on the cross rod (8); a control system is arranged inside the fixed seat (1); the control system comprises a control module, a power module and a light regulation module; and an output end of the infrared sensor (7) is electrically connected to an input end of the control module. The LED induction lamp for buildings has a simple structure, is convenient to manufacture, and determines whether there are pedestrians passing by means of infrared rays, thereby saving energy, prolonging the service life of an LED lamp, and also reducing usage costs. A: Provided is an ultraviolet disinfection and sterilization device, comprising a device body (1) and a control box (2); the top end surface of said device body (1) is fixedly provided with a mount (4); the top surface of said mount (4) is provided with a recess (6); the bottom end of said control box (2) is fixedly provided with a base (5); the outer surface of said base (5) is snap-fitted to the inner wall of the recess (6); the base (5) is internally provided with a movable groove (7); said movable groove (7) is internally provided with an abutting rod (8); the outer surface of said abutting rod (8) is fixedly provided with a fixing block (10); the control box (2) is placed on the top end of the mount (4) and fixed; by means of screwing a bolt (13) to a threaded groove (14), its tip enters an abutting groove (11) and abuts against the surface of the abutting rod (8), driving the abutting rod (8) to move, such that the other end of the abutting rod (8) is snap-fastened to the inner wall of a snap groove (12), limiting the position of the base (5) to be fixed; the control box (2) can be quickly connected to the device body (1), ensuring a steady connection, making disassembly for maintenance easier, thereby increasing operating efficiency and avoiding the danger of collapsing and overturning when bearing loads for long periods of time, thus the service life is further increased. B: A cutting apparatus for use on composite boards, comprising: a transverse beam device (1), a supporting frame (3) which conveys a composite board (2), a cutting mechanism (4) which is located directly above the composite board (2) and which is for use in cutting the composite board (2), and a cylinder device (5) which fixes the composite board (2); two ends of the transverse beam device (1) are fixed with a vertical beam device (6), wherein inner sides of the vertical beam device (6) are provided with a first fixing block (71) connected to a guide rail of the vertical beam device (6); a cross bar (8) parallel to the transverse beam device (1) is connected between the first fixing block (71), wherein a second fixing block (72) is connected to a lower surface guide rail of the cross bar (8), the cutting mechanism (4) being fixed on the second fixing block (72); the supporting frame (3) is provided thereon with an infrared sensor (9) which detects a cutter (41) on the cutting mechanism (4), wherein the infrared sensor (9) is connected, by means of a circuit, to a control cabinet (10) which controls the first fixing block (71) to run on the vertical beam device (6). The cutting apparatus may cut composite boards (2) of different thicknesses, and may freely adjust cutting position according to requirements, while having a simple structure and a wide range of applications. C: Disclosed is a magnetic-type concealed surveillance camera for easy installation, the surveillance camera comprising a housing (1) and a camera (3). The camera (3) is arranged inside the housing (1), a first connection rod (5) is fixedly connected to an outer side wall of the housing (1), an end of the first connection rod (5) away from the housing (1) is rotationally connected to a rotating shaft (7), an outer end of the rotating shaft (7) is fixedly connected to a second connection rod (8), the upper end of the second connection rod (8) is provided with a fixing block (11), a placement groove is provided in the lower end of the fixing block (11), an electric motor (13) is fixedly connected to an inner side wall of the interior of the placement groove, a gear (9) is fixedly connected to an output end of the electric motor (13), a groove is provided in an end of the second connection rod (8) close to the electric motor (13), a rack (10) is fixedly connected to an inner side wall of the groove, the rack (10) is in meshing connection with the gear (9), and a plurality of L-shaped rods (14) are fixedly connected to an outer end of the second connection rod (8). D: An LED street lamp enabling convenient adjustment of lighting angle and lighting brightness, comprising a power source, a vertical column, a lamp body (1), and a lamp cover (2), a baffle (3) being arranged inside the lamp body (1), a driver (5) being arranged above the baffle (3), and a control box (6) being arranged below same, a controller (7) being arranged inside the control box (6), a fixed light panel (9) and a moving light panel (10) being arranged below the control box (6), the fixed light panel (9) being fixedly connected to the control box (6) by means of a fixing rod (8), the fixed light panel (9) being connected to the moving light panel (10) by means of a transmission mechanism, the transmission mechanism comprising a linking rod (14) and a telescopic rod arranged between the fixed light panel (9) and the moving light panel (10), LED light bulbs (12) being arranged below the fixed light panel (9) and the moving light panel (10), a switch box (11) being arranged on the moving light panel (10), the driver (5), the switch box (11) and the controller (7) all being electrically connected, the driver (5) and the switch box (11) both being electrically connected to the LED light bulbs (12), and the controller (7) being electrically connected to a telescopic member (16). Adjustment of the lighting angle is thus facilitated, meeting the requirements for light concentration and diffusion effects, and the switching on or off of the lightbulbs (12) can be controlled, thus adjusting the lighting brightness.

D

Please select the most similar patent number from A, B, C and D. Which number is? A heat pipe steam generator, comprising a boiler (1), a generator (2), and a combustor (3). A combustion end of the combustor (3) extends into a hearth (11) of the boiler. The boiler (1) is connected to the generator (2). The generator (2) is provided with a heat pipe (21). A primary side channel is formed outside the heat pipe (21). A secondary side channel is formed in the heat pipe (21). Heat exchange is made between a medium in the primary side channel and a medium in the secondary side channel. The boiler (1) is connected to the primary side channel of the generator (2) to form a primary side circulation loop which is vacuum-tight. The height of the minimum level of the primary side channel is greater than the height of the maximum level of the boiler (1). The height difference between the level of the primary side channel and the level of the boiler (1) ensures that in one primary circulation loop, the aqueous solution in the generator (2) can still be returned to the boiler (1) in the case that no power is provided by a water pump so as to protect the external oxidizing gas from being sucked into a primary side water circulation loop and prolong the service life of the boiler (1). A: A tower-type boiler with a primary reheater and a secondary reheater is provided. A super heater of the boiler comprises a low-temperature super heater and a high-temperature super heater (31). A main steam system flow of the boiler comprises the following steps: firstly, feeding water enters into a front flue coal economizer and a rear flue coal economizer (10) which are arranged in parallel, then water came from the outlets of the coal economizers (10) enters into water-cooling walls (1, 2) from the lower part of a hearth (6), wherein the outlets of the water-cooling walls (1, 2) are connected to a separator (19), and at last, the steam came out of the separator (19) enters into the low-temperature super heater and the high-temperature super heater (31) successively. Along the steam flow direction which is from a low temperature to a high temperature at the side of the steam, the primary reheater successively comprises a primary reheating low-temperature reheater (11) and a primary reheating high-temperature reheater, and the secondary reheater successively comprises a secondary reheating low-temperature reheater (12) and a secondary reheating high-temperature reheater. Furthermore, the primary reheater and the secondary reheater are in parallel with each other in a perpendicular flue. B: Disclosed is a combined heat exchanger set comprising a compression-type heat pump (1), a suction-type heat pump (2), one or more water-water heat exchangers (3) and a connecting pipeline, wherein the connecting pipeline is divided into a primary side pipeline (41) and secondary side pipeline (42), the connection mode of the primary side pipeline is in incremental series, i.e. the primary side pipeline is successively connected to a generator of the suction-type heat pump, the water-water heat exchanger, an evaporator of the suction-type heat pump and an evaporator of the compression-type heat pump, and the connection mode used for the secondary side pipeline is in series after the first parallel connection, in incremental series or independently separate to connect to a heat user. The heat exchanger set can use the heat of a primary network of hot water in steps, thereby substantially increasing the temperature difference in supply and return water in the primary network of hot water of a central heating system, reducing the initial investment in the pipeline system and electricity wastage in running a water pump, improving the utilisation efficiency of combined energy resources of the system, and lowering heating costs. C: Disclosed is a secondary side passive waste heat removal system, comprising a steam pipeline (140) and a water supply pipeline (160), wherein the steam pipeline (140) hermetically penetrates a containment vessel and is connected to an outlet of a steam generator (130) arranged in the containment vessel as well as a cooling water tank (150) arranged outside the containment vessel, the water supply pipeline (160) hermetically penetrates the containment vessel and is connected to the cooling water tank (150) and an inlet of the steam generator (130), and the steam pipeline (140), the water supply pipeline (160) and the cooling water tank (150) form a circulating channel so as to remove decay heat in the containment vessel out of the containment vessel. The steam pipeline (140) and the water supply pipeline (160) are directly connected to the steam generator (130) on the secondary side so as to prevent the steam generator (130) from drying out, and coolant leakage, in the event of malfunction. The cooling water tank (150) is arranged outside the containment vessel, such that more available space of the containment vessel is obtained. Moreover, by using an open circuit, there is no need to arrange a heat exchanger, required by the conventional passive waste heat removal system, in the cooling water tank (150), and no emergency equipment is required, such that the expenditure on design and construction of the system is lowered. D: A rapid cooling system and method for a high-temperature gas cooled reactor nuclear power station primary loop after a thermal test. The system comprises a reactor pressure vessel (1), a steam generator (2), a helium-water cooler (4), a gas-water separator (5), a helium compressor (6), an auxiliary steam pipeline (8), a first valve group (9), a second valve group (10), a high-pressure heater (12), a water-feeding pump (11), a fifth valve group (13), a steam-water separator (14), a condenser (18), a fourth valve group (16), a third valve group (15), and a waste liquid tank (17). According to the system and the method, the problem of an uncontrollable thermal test rate in a natural cooling process can be solved, and a cooling time period is shortened; moreover, a secondary side of the steam generator (2) can participate in the thermal test, so that the reliability of a secondary loop system is verified in advance; moreover, the secondary side pipeline of the steam generator (2) can be subjected to water vapor purging by utilizing the thermal test process, so that the secondary loop feed water quality is qualified.

A

Please select the most similar patent number from A, B, C and D. Which number is? A steam boiler and a steam car washer comprising same. The steam boiler comprises: a combustion boiler (10) provided with a heating component (20) so as to allow the water flow to flow to the heating component (20) for heating; a water storage cavity (30) provided at an outer side of the combustion boiler (10) and communicated with the heating component (20) so as to allow the water to flow through the water storage cavity (30) and then flow to the heating component (20) for heating and to spill the water vapor generated by heating the water flow into the water storage cavity (30); and a descaling device (40) mounted outside the combustion boiler (10) and communicated with the water storage cavity (30) so as to transport a descaling agent in the descaling device (40) into the water storage cavity (30) and the heating component (20) to remove the limescale therein, thereby solving the problem in the prior art of the low limescale washing efficiency in the steam boiler. A: A point-contact disinfecting and itch-relieving heat application device, comprising a housing (1), a heating device, and a water outlet portion (3). The housing (1) has an internal water storage chamber (11), and the heating device is used to heat a liquid in the water storage chamber (11). The water outlet portion (3) is disposed at a front end of the housing (1), the water storage chamber (11) is located at the front of the housing (1), and the water storage chamber (11) is in communication with the water outlet portion (3) through a water pipe (12). The housing (1) is provided with a control valve (4) for controlling the water storage chamber (11) to be in communication with or isolated from outside air. The heat application device has the advantages of shortening a water flow path, making it easier to control outlet water temperature, and allowing timely water discharge and discharge termination. B: A heat transfer spoiler (60), a volumetric heat transfer device (100), and a water heater, the volumetric heat transfer device (100) comprising: a burner housing (20), having a burning cavity (202) with an open upper end; a burner (30), provided within the burning cavity (202); a liner (10) provided on the upper end of the burner housing (20) and having a water storage cavity (101) therein, the water storage cavity (101) having an upper opening (105) and a lower opening (106), and the side wall of the liner (10) being provided with a heat transfer passage (103) in communication with the burning cavity (202); and a main heat transfer tube (44), provided within the water storage cavity (101), and the upper end and the lower end thereof being sealingly provided within the upper opening (105) and the lower opening (106) respectively. C: A urea production apparatus comprises a cabinet (10), an agitation tank (20), a filter portion (30), a water tank portion (40) and a heater portion (50). The agitation tank (20) and the filter portion (30) are disposed within the cabinet (10), and an inlet of the water tank portion (40) is in communication with an outlet of the filter portion (30); the heater portion (50) is disposed within the cabinet (10) and is in communication with an outlet of the water tank portion (40), and an outlet of the heater portion (50) is in communication with the agitation tank (20). The present invention adopts a separate heater portion (50) to heat the water in the water tank portion (40), and then transports the water heated by the heater portion (50) into the agitation tank (20) to produce urea; this configuration enables the heater portion (50) to heat the water in the water tank portion (40) timely, thus effectively increasing the efficiency of the urea production apparatus and satisfying the user needs. D: A steam generating device and a clothes care machine. The steam generating device comprises a boiler body (12), a heating device (13) and a scale collecting device (14); the boiler body (12) is provided with a water inlet (121), a steam outlet (122) and a scale collecting opening (123), and the setting height of the scale collecting opening (123) is not higher than a preset water level in the boiler body (12); the scale collecting device (14) comprises a scale collecting cavity (141), the scale collecting cavity (141) communicates with the scale collecting opening (123), and a scale filter screen (142) is arranged at the communication position of the scale collecting opening (123). Since the scale filter screen (142) is a porous structure, same more easily absorbs scales, and the scales are gathered in the scale filter screen and are agitated by a water flow in the boiler body (12). The scales which are gathered to form larger particles may enter the scale collecting cavity (141) by means of the scale filter screen (142), thereby effectively solving the problems of uneven heating and potential safety hazards caused by scales easily accumulating on the surface of the inner side of the boiler body (12).

D

Please select the most similar patent number from A, B, C and D. Which number is? A push-out portable arc igniter. Ignition heads (19) are provided at the front end of an ignition push device (11); a lighting lamp (18) is horizontally arranged in parallel with the ignition heads (19); the ignition heads (19) are configured to be two parallel cylinders, and a ceramic fixing device (23) is provided on each surface thereof; a main body plastic member (5) of the ignition push device (11) is configured to be a rectangular box with open upper and right surfaces; a high voltage package (6) and a circuit board (9) are provided in the main body plastic member (5); and a polymer lithium battery (8) is provided above the circuit board (9); a lighting lamp switch (7) is provided at the center of the left end of the circuit board (9); a power safety switch (1), a charging indicator (3), and a USB charging socket (2) are provided at the right end of the circuit board (9); a tail plastic member (15) is configured to be in an L shape; and the tail plastic member (15) is connected to the ignition push device (11) by means of a spring (12). The igniter has a simple and compact structure as well as a small size and a light weight, is easy to carry, is easy to use, is controlled by dual-switch, has good safety performance, can effectively avoid misoperation, can eliminate potential safety hazards, has a portable charger, can be repeatedly charged, and has a long service life. A: An intelligent LED bulb comprises a bulb holder (1), a bulb casing (2), and a bulb shade (3). An LED circuit board (4), a control PCB board (41), a switch mechanism (5) connected to the LED circuit board (4), a chargeable battery (6), and a power PCB board (61) are provided inside the bulb casing (2). The switch mechanism (5) comprises a switch positioning member (51), a switch PCB board (52), two switch metal domes (53), a copper needle (54), a copper needle limiting member (55), and a spring (56). The LED bulb has the chargeable battery (6) and the switch mechanism (5), and the chargeable battery (6) is provided inside the LED bulb, thereby achieving a simple and compact structure and small size. The switch mechanism (5) automatically implements the switch control with the assembly and disassembly of the Led bulb, and an external circuit and switch are not required, so that the use is flexible and convenient. B: A multifunctional energy-saving LED lamp with multiple charging modes comprises a lamp holder (1), a retractable connecting rod (2), a lamp housing (3), a lamp shade (4), an LED bulb and a fixed lamp panel (5), a DC jack (10), a circuit board (6) and a lithium battery (7). The retractable connecting rod (2) is disposed between the lamp holder (1) and the lamp housing (3). The lithium battery (7) is disposed inside the retractable connecting rod (2). The LED bulb and the fixed lamp panel (5) are disposed at the top of the lamp housing (3). The lamp shade (4) is disposed on a surface at the top of the lamp housing (3). A power switch (8), an indicator and the DC jack (10) are disposed on a side surface of the lamp housing (3). The circuit board (6) is disposed in the lamp housing (3). The circuit board (6) comprises an AC-DC constant voltage power supply module, a lithium battery charging management module, a DC-DC constant current power supply and an intelligent module. The lamp housing (3) is further provided thereon with a solar cell panel, a vehicle-charging port and a mains port. The lamp housing (3) is further provided therein with a rechargeable battery, a GPS chip, a wireless transmission module and a wireless reception module. The multifunctional energy-saving LED lamp is integrated with the functions of an illuminating lamp, a torch, an emergency lamp and the like, and can be charged in various ways, for example, through solar energy, a mobile phone charger, or a vehicle charger. C: The present utility model relates to a new energy lighter. An electronic oscillation circuit, a boost DC/DC transform circuit, an illumination circuit, and a cash detecting circuit are provided in the housing of the lighter, a switch is provided at one side of the housing, and an illumination light and a cash detecting light are also provided at the bottom of the housing. The present lighter can carry a direct current power source as the ignition source, generate a high frequency pulse current by way of an oscillation circuit, generate a high frequency voltage across two ends of a transformer coil, perform arc discharge outputting via a high voltage discharge probe to obtain connected high voltage discharge sparks, and can be applied in any weather environment to ignite an inflammable substance. The power source outlet of the present lighter can supply power to various models of mobile phones or digital products by being equipped with a universal plug container and a conversion plug, and at the same time can be used for illumination and cash detection. The present utility model can be used safely, is environmentally friendly, can save energy, and at the same time has a small volume, is portable, and is convenient and practical. D: A luminous ornament having a structure comprising an ornamental surface-replaceable ornament (1), a structural member (2), LED lamps (3), a circuit board (4), a control module (5), a rechargeable battery (6), a charging port (7), a button switch (8), and a replaceable fixing clip (9). The structural member (2) is fixedly connected to the ornamental surface-replaceable ornament (1) and is located on left and right sides below the ornamental surface-replaceable ornament (1). The circuit board (4) is embedded in the structural member (2) and is located inside the ornamental surface-replaceable ornament (1). The LED lamps (3) are connected to the circuit board (4) by means of power lines. The control module (5) is located on the left end inside the ornamental surface-replaceable ornament (1). The rechargeable battery (6) and the circuit board (4) are provided inside the control module (5). The charging port (7) and the button switch (8) are connected to the circuit board (4) by means of power lines. Compared with the prior art, by configuring lamps to change in various modes, such as a color changing mode and a light chasing mode, the technical solution greatly improves the aesthetic property and the playability, so that the ornament is popular at night.

C

Please select the most similar patent number from A, B, C and D. Which number is? A low pollution combustor and combustion control method therefor. The low pollution combustor comprises a combustor dome (12), the combustor dome (12) comprises a main combustion stage (14) and a pre-combustion stage (15), and the main combustion stage (14) and the pre-combustion stage (15) are arranged together in a concentric manner; the pre-combustion stage (15) is in the center, and the main combustion stage (14) is arranged on the periphery of the pre-combustion stage (15); the main combustion stage (14) comprises a main combustion stage channel, a main combustion stage swirler (30) provided in the main combustion stage channel, and a pre-film plate (31); the pre-film plate (31) is divided into an outer-layer pre-film plate (31b) and an inner-layer pre-film plate (31a) in a radial direction. A position and a spraying direction of a fuel spaying point (25) of the main combustion stage (14) are configured to control main combustion stage fuel to be sprayed into the main combustion stage channel by means of main combustion stage fuel nozzle holes (25a, 25b), a part of the main combustion stage fuel forms main combustion stage direct spray oil mist, the other part is hit on the inner-layer pre-film plate (31a) close to the inner side of the main combustion stage channel, or is separately hit on the two layers of pre-film plates (31a, 31b). According to the low pollution combustor and control method therefor, the double layers of pre-film plates (31a, 31b) are coordinated with the position and the spraying direction of the fuel spaying point (25) in different working conditions, so that combustible mixed gases are distributed more evenly in a flame tube. A: A low-nitrogen oxide straight-through pulverized coal combustion apparatus applicable to a lean coal-fired boiler comprises main combustor groups that are disposed in corner-tangential combustion manner at the four corners of a furnace of the lean coal-fired boiler, cooperate with a water-cooling wall anti-high temperature anti-corrosion system of the furnace, and are of the same structure with the system, each main combustor group comprising pulverized coal combustors and secondary air nozzles (AA, AB, BC, CC, DD, DE, EF, FF1, and FF2) that are disposed at a spacing. The upper portion of each main combustor group is provided with a corresponding over fire air separation group. A layer of a prechamber reverse-flow combustor is disposed every n layers of pulverized coal combustors, a jet flow rotation direction of the main combustor group is the anticlockwise direction, a jet flow rotation direction at the secondary air nozzle closely neighboring to the upper portion of the prechamber reverse-flow combustor is the clockwise direction, and the diameter of the imaginary tangential circle is greater than that of the main combustor. The over fire air separation group is formed by an upper group and a lower group, the jet flow of the lower group is a large imaginary tangential circle, and the upper group is in an opposed firing manner. The combustion apparatus can implement stable combustion and minimize the discharge of oxynitride. B: A supercritical CO2 boiler and a boiler system. The boiler comprises a main combustion chamber (2), an upper hearth (3), a furnace arch (4), and a flue; the cross section of the main combustion chamber (2) is circular, oval, or N-sided, and N>4; the main combustion chamber (2) is provided with at least four combustor groups; each group of combustor nozzles corresponding to each combustor group comprise a recirculating air nozzle (15), a primary air nozzle (13), and a secondary air nozzle (14); side recirculating air nozzles (16) which are symmetrically distributed are provided on the two sides of each primary air nozzle (13); the recirculating air nozzles (15) and the side recirculating air nozzles (16) are used for feeding recirculating flue gas or mixed gas of the recirculating flue gas and secondary air into the main combustion chamber (2); the primary air nozzles (13) are used for feeding primary air or mixed gas of the primary air and the recirculating flue gas into the main combustion chamber (2); and the secondary air nozzles (14) are used for feeding secondary air or mixed gas of the secondary air and the recirculating flue gas into the main combustion chamber (2), such that the load of the supercritical CO2 boiler and the load of the boiler system are uniform, and high-temperature corrosion, coking and slagging on the wall surface of the boiler are avoided. C: A gas premix burner and a gas water heater. The gas premix burner (10) is provided with a burning direction (F), the gas premix burner (10) is matched with a premix cavity arranged at the upstream of the burning direction (F) of the gas premix burner (10), and gas and air are burned via the gas premix burner (10) after being mixed in the premix cavity. The gas premix burner (10) comprises: a burner substrate (11), main burning holes (13) being arranged on the burner substrate (11). Auxiliary burning holes (15) arranged along the burning direction (F) at the downstream of the main burning holes (13) are also provided on the burner substrate (11). Auxiliary flames of the auxiliary burning holes (15) and main flames of the main burning holes (13) intersect. The main burning holes (13) are arranged along the burning direction (F) at the upstream of the auxiliary burning holes (15) so that the main flames are arranged at the upstream of the auxiliary flames, it is easier for the auxiliary flames and the main flames to intersect, and opposed firing of the flames is formed between the auxiliary flames and the main flames to implement a stable flame effect. D: A combustion chamber of a gas turbine engine. The combustion chamber comprises: an annular flame pipe (10), wherein the annular flame pipe (10) forms an annular combustion cavity (14), and the annular combustion cavity (14) defines an axial direction and a circumferential direction surrounding the axial direction; and several nozzles (12) disposed within the annular combustion cavity (14), uniformly arranged in the circumferential direction, and configured to jet a mixed gas of a fuel gas and the air into the combustion cavity (14). Each of the nozzles (12) is provided with at least one mixed gas outlet (30) used to jet the mixed gas toward an adjacent nozzle (12). One flame barrier structure is disposed between two adjacent nozzles (12) to prevent a flame generated from the mixed gas from being directly jetted to the adjacent nozzle (12). The combustion chamber of a gas turbine engine of the present invention has a simple structure, reduces damage risks of components to the lowest level, and improves combustion efficiency thereof.

D

Please select the most similar patent number from A, B, C and D. Which number is? An oven device defines a vertical direction, a transverse direction, and a horizontal direction. The vertical direction is perpendicular to the transverse and horizontal directions. The oven device comprises a housing extending in the transverse direction between a first side part and a second side part. The housing also extends in the vertical direction between the top part and the bottom part. The housing defines an upper cooking cavity located adjacent to the top part of the housing and a lower cooking cavity located adjacent to the lower part of the housing. The oven device also comprises: a single heat source in thermal communication with the external environment around the oven device by means of natural convection; and a fan, which is operable to enable direct thermal communication between the single heating part and one or both of the upper cooking cavity and the lower cooking cavity by means of forced convection. A: A simulation electronic candle, comprising a casing (1), a flame piece (21) provided in an opening at the top of the casing via a transverse support rod (23), a light emitting element (4) provided on one side of the opening and a disturbance device (3) provided in the casing; the flame piece is connected crosswise to the support rod through a vertical swing link (22), and the upper portion of the swing link extends into the lower portion of the flame piece; part of the upper and the lower portions of the flame piece is positioned above the opening; the light projection direction of the light emitting element intersects with the surface of the flame piece. The static design of the improved flame piece assembly makes the flame piece exhibit unique appearance features in the shape of a candlewick, thus having better static simulation effect. B: A novel air oven, comprising a housing (1), a liner (3) disposed in the housing (1) and having a main cooking cavity (2), and at least one vertical partition plate (5) detachably arranged in the liner (3). The vertical partition plate (5) partitions the main cooking cavity (2) into two or more sub-cooking cavities (4) arranged left and right; at least one heater (6) is disposed in each sub-cooking cavity (4); the upper part of each sub-cooking cavity (4) is provided with a fan (7) located in the housing (1) and communicated with the corresponding sub-cooking cavity (4). With the present air oven, the main cooking cavity (2) can be partitioned, by means of the vertical partition plate (5), into two or more sub-cooking cavities (4) arranged left and right, so that the air oven can be used to cook two or more food ingredients requiring different heating temperatures and durations. C: An induction dryer device having a bearing system, comprising a casing. A drum is positioned inside the casing, and can rotate about an axis inside the casing. The induction dryer device further comprises an induction heating element and a support assembly. The support assembly is positioned adjacent to the drum inside the casing and comprises a plate. The induction heating element is positioned on the plate. A bearing is mounted to the plate. When the drum rotates about the axis, the bearing contacts the drum such that the bearing spaces the plate apart from the drum in a radial direction perpendicular to the axis. D: A wall-mounted air conditioner indoor unit, comprising: a machine shell (10), and at least one cross-flow fan (20) and an evaporator (30) which are provided in the machine shell (10), wherein the machine shell (10) is provided with an air inlet (11) and an air outlet (12), and two independent wind deflectors (131, 132) are provided at the air outlet (12), each of the wind deflectors being configured to be controlled to pivot around a rotating shaft thereof; the evaporator (30) is arranged on the at least one cross-flow fan in a covering mode and comprises a first heat exchange section (31), a second heat exchange section (32) and a third heat exchange section (33) which are sequentially connected from back to front; and the third heat exchange section (33) is a V-shaped heat exchange section which extends gradually and obliquely in the direction opposite to the outer side of the at least one cross-flow fan (20) from the two transverse ends of the machine shell (10) to the middle thereof or is a curved surface heat exchange section which gradually protrudes and extends in a bending mode in the direction towards the outer side. The rotating shafts of the two wind deflectors (131, 132) extend obliquely upwards from the two transverse side parts of the machine shell (10) to the middle part of the machine shell respectively, so that the projection of the rotating shafts of the two wind deflectors (131, 132) in the vertical plane perpendicular to the front and back direction form an inverted V shape which inclines gradually upwards from the two transverse ends of the machine shell (10) to the middle thereof.

B

Please select the most similar patent number from A, B, C and D. Which number is? Provided are a bathroom safety control system and an air conditioner. The air conditioner comprises: an acquisition module, which is used for acquiring information of a user entering and exiting a bathroom, and a water consumption volume; a storage module, which is used for storing a water consumption volume threshold value corresponding to a normal bathroom activity of the user, and/or a historical water consumption volume-time curve corresponding to a plurality of normal bathroom activities of the user or a preset historical water consumption volume-time curve normal fluctuation range; and a control module, which is used for generating a water consumption volume-time curve according to the water consumption volume and the corresponding time, and outputting alarm information when the water consumption volume exceeds the water consumption volume threshold value corresponding to the normal bathroom activity of the user and/or when the water consumption volume-time curve does not meet the historical water consumption volume-time curve or the preset historical water consumption volume-time curve normal fluctuation range. Therefore, by means of the present invention, a water consumption situation of a user in a bathroom is acquired by means of the air conditioner, whether the user has had an accident is determined according to the water consumption situation, and an alarm is given when an accident occurs. A: A water usage pattern-based user profiling method and system, comprising the following steps: (1) collecting water usage data and a user type label of a user; (2) extracting from the collected water usage data the average water usage of several periods to serve as eigenvectors, combining with the type label of the user to construct a training sample set, constructing a depth-stratified fuzzy system on the basis of an automatic machine learning technique, utilizing the training sample set to train the system, thus constructing a classification model; and (3) inputting the collected water usage data of the user into the constructed classification model, thus completing user profiling. The method, by means of user profiling, combines characteristics of individual users and user groups, thus providing individual users with a service of increased accuracy, and implementing a reasonable allocation of resources between areas. B: An air conditioner intelligent control method and device and an air conditioner. The method is used for controlling air conditioners in other rooms outside a bathroom, and the method comprises: receiving a user instruction; starting a water heater in a bathroom in a linkage mode according to the user instruction; when the water heater reaches set parameters, issuing a reminder; monitoring a bathing state of a user in the bathroom; and controlling the air conditioner to operate according to the bathing state of the user. According to the air conditioner intelligent control method and device and the air conditioner, the air conditioner and the water heater are controlled in the linkage mode to form an intelligent home control method for bathing of a user, the water heater can be started by means of the air conditioner, and a reminding function is additionally set; in addition, the air conditioner is controlled to operate according to the bathing state of the user, the temperature in a room can be regulated and controlled by means of the air conditioner when the user takes a bath, and the user is prevented from feeling a large temperature difference when walking into the room after taking the bath, thereby reducing the risk of catching a cold, and improving the comfort level. C: Provided is a method for controlling a water heater, said method for controlling a water heater comprising the following steps: obtaining a first water consumption parameter corresponding to a user within a first time period, said first water consumption parameter comprising a first water consumption amount and a first water temperature, said first water consumption amount being determined according to water reliability; according to the first water parameter and the heating power of the water heater, determining a target advance heating time corresponding to the first time period of the water heater; according to the target advance heating time, controlling the operation of the heating device of the water heater. D: A sewage pipe network real-time simulation method based on water supply Internet of Things data drive. The method involves an offline module and a real-time online module, wherein the offline module integrates a sewage pipe network model and a water supply pipe network hydraulic model, corrects historical water consumption of each node of the water supply pipe network hydraulic model, establishes a correction single-objective optimization model of the sewage pipe network model, and determines a transfer coefficient between the water consumption of each node and an inflow of an inspection well; and the real-time online module realizes the real-time simulation of hydraulic parameters of the sewage pipe network model. The method fills a vacancy in the field of sewage pipe network real-time simulation, and is an important supplement to the field of urban drainage pipe network management research; and important technical support is provided for the management of sewage pipe network systems, and the method has good value in promotion and practical engineering application.

B

Please select the most similar patent number from A, B, C and D. Which number is? An evaporative air cooler comprises: a housing (1), wherein an accommodation cavity (2) having an opening is provided on the housing (1), and a wet curtain (12) can be assembled in the accommodation cavity (2). A water distribution structure (3) is provided above the accommodation cavity (2) and a water receiving device (4) is movably provided on an inner wall of the accommodation cavity (2). The water receiving device (4) comprises a water receiving cavity (13) having an opening facing the water distribution structure (3). When the wet curtain (12) is not assembled in the accommodation cavity (2), the water receiving cavity (13) is located directly below the water distribution structure (3), and is in a water receiving state; when the wet curtain (12) is assembled in the accommodation cavity (2), the water receiving cavity (13) is located obliquely below the water distribution structure (3), and is in a non-water receiving state. The accommodation cavity (2) is provided on the housing (1)/ The wet curtain (12) and the water receiving device (4) are assembled in the accommodation cavity (2), such that when a user does not need airflow of a low temperature, or forgets to install the wet curtain (12), the water receiving cavity (13) of the water receiving device (4) is provided directly below the water distribution structure (3) so as to receive water output by the water distribution structure (3), and store same in the water receiving cavity (13), thereby preventing water from spattering in the evaporative air cooler when the wet curtain (12) is not assembled, and avoiding a safety risk caused by water spattering on an electrical component. A: Disclosed is a portable cooling fan, comprising a cooling fan body (1) and an externally connected bottle (2), wherein the bottle (2) is a commercially available mineral water bottle or a beverage bottle, a water tank (11) is arranged at the bottom of the cooling fan body (1), and a water receiving opening (111) of the water tank (11) is exposed from a housing of the cooling fan body (1). The portable cooling fan is characterized by further comprising a bonnet (3) capable of being connected to a bottle mouth of the bottle (2), a connecting part (31) capable of being connected to the bottle mouth of the bottle (2) is formed at the upper end of the bonnet (3), a first connecting port (311) capable of being adapted to be inserted into the bottle mouth is formed in the connecting part (31), an inserting part (32) capable of being adapted to the water receiving opening (111) of the water tank (11) is formed at the lower end of the bonnet (3), and when the bottle (2) is connected to the water receiving opening (111) of the water tank (11) by means of the inserting part (32) of the bonnet (3), the interior of the bonnet (3) is communicated so as to enable the bottle (2) to be in water communication with the water tank (11). B: A kitchen appliance, comprising a water overflow structure, the water overflow structure being arranged in the main body of the kitchen appliance, a motor (1) being installed inside the main body, a main body upper cover (2) integrally connected with the main body for placing a container cup assembly being disposed above the motor (1), a motor shaft of the motor (1) having a transmission connection to a clutch assembly (3), a base (4) being mounted on the lower end of the main body, and the water overflow structure comprising: a main body upper cover (2) drainage structure, comprising at least one side drainage hole (5) disposed at the edge of the main body upper cover (2) and a first water-receiving component for transferring liquid in the side drain hole (5); and an interference drainage structure, comprising a water-receiving plate (6) for receiving liquid overflowing from the gap between the clutch assembly (3) and the main body upper cover (2), and a second water-receiving component for transferring the liquid in the water-receiving plate (6). Multiple drainage methods are used for drainage, increasing the safety of use. C: An LED spotlight comprising one or more LED spotlight bodies. The LED spotlight body comprises a housing (1), a light base (2), a heat sink (3), a fan (4), a light plate (5), an LED chip (6), a lens (7), a lens plate (8), and a pressing ring (9). A fan plate (30) is mounted within the housing (1). An air outlet (301) is provided on the fan plate (30). The fan (4) is mounted on the fan plate (30) corresponding to the air outlet (301). The light plate (5) is mounted within an accommodating cavity (24) on the light base (2). The LED chip (6) is mounted on the light plate (5). The lens plate (8) is mounted within the accommodating cavity (24). The lens (7) is arranged between the light plate (5) and the lens plate (8). The pressing plate (9) is fixed on top of the light base (2). A cavity (401) is provided between the bottom of the housing (1) and the fan plate (30). An air outlet channel (12) in communication with the cavity (401) is provided on the housing (1). Air inlet channels (11) are provided above the fan plate (30) on the housing (1). The air inlet channels (11) are arranged opposite. The structure is capable of increasing heat dissipation performance. D: Disclosed are an accommodation device for a stroller, and a stroller having the accommodation device. The accommodation device comprises a seat assembly (3) and an accommodation cavity (1), wherein the accommodation cavity (1) comprises a bearing portion (11) and a flexible circumferential enclosing portion (12), two opposite ends of which are both open ports; one open port of the circumferential enclosing portion (12) is fixedly covered by the bearing portion (11), and an upper open port forms an opening, in communication with the outside, of the accommodation cavity (1); and the accommodation cavity (1) can be rotated relative to the seat assembly (3) in a vertical plane so as to be switched between a lying state and a sitting state. The accommodation device further comprises at least one flexible adjustment strip (2), one end of the adjustment strip (2) being fixed to the seat assembly (3), and the other end thereof being fixed at a position, close to the opening, on a first side portion (121). By taking the direction of a rotary shaft of the accommodation cavity (1) as a transverse direction and by taking the direction perpendicular to the direction of the rotary shaft of the accommodation cavity as a longitudinal direction, when the accommodation cavity (1) is rotated to be in the sitting state relative to the seat assembly (3) in the vertical plane, a side, arriving at the topmost position, of the circumferential enclosing portion (12) of the accommodation cavity is the first side portion (121) of the circumferential enclosing portion (12), and a side opposite the first side portion (121) is a second side portion (122) of the circumferential enclosing portion (12). The bearing portion (11) has at least two areas which can be folded in the transverse direction and which form a first portion (111) relatively close to the first side portion (121) and a second portion (112) relatively far away from the first side portion (121). The bearing portion (11) is arranged above the seat assembly (3) in such a way that the bearing portion can move on the seat assembly (3). The adjustment strip (2) is tensioned between the seat assembly (3) and the first side portion (121) when the accommodation cavity (1) is in the sitting state. During the process of the accommodation cavity (1) being rotated to be in the sitting state, the second portion (112) moves to a position supported by the seat assembly (3) to form a seat portion, and when the accommodation cavity (1) is rotated to be in the sitting state, the first portion (111) is supported by the tensioned adjustment strip (2) to form a backrest portion at an angle to the second portion (112).

A

Please select the most similar patent number from A, B, C and D. Which number is? A housing assembly (100) and a phase changing water heater (1000). The housing assembly (100) comprises: a housing body (10); the housing body (10) comprises a front housing (12) and a rear housing (13) which are connected to each other, and a chamber is formed by means of the front housing (12) and the rear housing (13); a glass plate (14) and a connecting plate (15) are arranged on a front face of the front housing (12), the glass plate (14) being arranged on the connecting plate (15), and a gap structure being arranged between the connecting plate (15) and the front housing (12). A: Disclosed are an instantaneous electric water heater housing (100) and an instantaneous electric water heater (1000). The instantaneous electric water heater housing (100) comprises: a rear shell (110), a side wall of the rear shell (110) being provided with a projection (111) projecting outwards; and a front shell (120), the front shell (120) being connected to the rear shell (110), and a free end face of the projection (111) bearing against a side wall of the front shell (120). B: The utility model provides an intelligent mirror waterproof structure. The intelligent mirror waterproof structure comprises a front shell, a rear shell and a connecting line, wherein the front shell and the rear shell are connected to form a waterproof shell, and the connecting line is arranged at the joint between the front shell and the rear shell in a penetrating manner; a sealing strip is arranged between the front shell and the rear shell, the outer wall of the connecting line is movably sleeved with a sealing ring, and the sealing ring is mounted between the connecting line and the waterproof shell. The utility model further provides an intelligent mirror comprising the intelligent mirror waterproof structure. By using the intelligent mirror and the waterproof structure thereof provided in the technical solution of the present utility model, the sealing strip being used between the front shell and the rear shell for sealing, the production cost is reduced, the sealing strip is more convenient to mount, and in turn the man-hours for mounting the sealing strip are reduced, therefore improving the operation efficiency; and the sealing ring is movably arranged on the connecting line, so that the position of the sealing ring can be adjusted as required when the connecting line is mounted, the adjustment is convenient, and the sealing ring is more convenient to mount. C: An axial piston pump, comprising an end cover (15), a front cover (9), a pump shaft (10) provided within the front cover (9), a back cover (4), a swashplate (17) and a cylinder body (8) installed inside the back cover (4). The end cover (15), the front cover (9), and the back cover (4) and the cylinder body (8) are fixedly connected in sequence. One end of the pump shaft (10) facing away from the cover is connected to swashplate (17). The piston pump is further provided therein with a cross-shaped wobble plate (18) and a piston module (13). The cylinder body (8) is provided therein with a piston hole, a valve hole, a pressing output valve group (12) and a pressing input valve group. The pressing output valve group (12) and the pressing input valve group are disposed within the valve hole. One end of the piston module (13) is inserted in the piston hole, and another end of the piston module (13) is connected to the cross wobble plate. The piston pump, by providing a slipper plate, inserts and integrates a return plate and a slipper, and a slipper and a piston ball head of the prior art, decreasing a lateral force of the cylinder body and piston seat, increasing the tilt angle of a swashplate, increasing the return distance of the piston seat, increasing piston pump displacement, improving piston pump efficiency and further simplifying cylinder body design. D: An enclosure (1) for use on a bicycle power-boost apparatus, comprising: a front housing (11), a rear housing (20), a fan-shaped plate (16), and an accommodating cavity (21). The front housing (11) and the rear housing (20) are provided with opposite bolt holes (17). Bolts are inserted into the bolt holes (17) to fit together the front housing (11) and the rear housing (20) to define the accommodating cavity (21). The front housing (11) and the rear housing (20) are provided with one or multiple opposite shaft holes (13, 14, and 15). The fan-shaped plate (16) is arranged on top of the front housing (11) and/or of the rear housing (20). The fan-shaped plate (16) is provided thereon with the bolt holes (17). The enclosure (1) is capable of replacing a bicycle five-way fitting and of accommodating complex bicycle power-boost apparatus.

A

Please select the most similar patent number from A, B, C and D. Which number is? Provided is a fan heater comprising a housing (1), an air inlet (2) and air outlet (3) arranged on the two ends of the housing (1), and a blowing assembly (4) and heating assembly (5) arranged inside the housing (1); the heating assembly (5) is arranged at the blower vent position of the blowing assembly (4); the position of the air outlet (3) corresponds to the position of the blower vent; the position of the air outlet (3) on the housing (1) is provided with a flow-guiding plate (6) for directing the warm air delivered by the air outlet (3) in at least two directions. A: An air conditioner with a multidirectional air outlet function, comprising a housing (1) as well as a first centrifugal impeller (2) and a second centrifugal impeller (3) provided within the housing (1) and adjacent to each other. Air outlets (21, 22, 23, 24, 31, 32, 33, 34) are provided on the upper, lower, left, and right sides of the first centrifugal impeller (2) and the second centrifugal impeller (3) in the radial direction, and a central air outlet (4) is provided on the housing (1) between the first centrifugal impeller (2) and the second centrifugal impeller (3) and along the tangential direction of each of the two impellers. The structure expands the positions of air outlets, and enlarges the range of air outlet, thereby satisfying the requirements of a wide air supply range and effectively improving the comfortableness of air supply. Also disclosed is an air outlet control method of the air conditioner with a multidirectional air outlet function. B: An all-around adjustable unit heater, comprising a housing (1). An air inlet chamber (2) is disposed in the housing (1), the bottom of the housing (1) is provided with an air inlet (31) in communication with the air inlet chamber (2), and a plurality of air outlets (32) are disposed on side walls of the air inlet chamber (2) in an annular configuration. A blocking piece assembly (4) is disposed on the housing (1). The blocking piece assembly (4) comprises a plurality of blocking pieces (41) respectively matching the plurality of air outlets (32) to control the opening and closing thereof, and an adjusting mechanism (42) cooperating with the blockings (41) for horizontally or longitudinally or aslant opening the air outlets (32). The plurality of air outlets (32) are all further provided with air outlet assemblies (5) thereon, and the air outlet assemblies (5) are located outside the housing (1). A heater (7) is disposed in the air inlet chamber (2) or in each air outlet assembly (5), and a fan (8) is disposed in an air inlet end of the air inlet chamber (2) or in each air outlet assembly (5). The all-around adjustable unit heater is simple in overall structure, and has the function of adjusting the opening and closing of the air outlets (32), thereby solving the problem in a conventional unit heater of being unable to implement all-around air supply for heating. C: Disclosed is a wall-mounted type indoor unit for an air conditioner, comprising: an enclosure (10), having an air inlet (11) and an air outlet (12) extending transversely along the enclosure, an air deflector (13) being disposed at the air outlet (12) for adjusting the opening state and/or the air outlet direction of the air outlet (12); and two separate cross-flow fans (21, 22) arranged transversely in the enclosure (10) side by side; each of the cross-flow fans (21, 22) is configured to be controlled to rotate around its own rotating shaft; the rotating shafts of two cross-flow fans (21, 22) obliquely extending forwards from two transverse ends of the enclosure to the middle of the enclosure respectively such that projections of the rotating shafts of two cross-flow fans (21, 22) in a horizontal plane form a forward gradually-inclined V shape from two transverse ends of the enclosure to the middle and the air outlet direction of each of the cross-flow fans (21, 22) faces towards the front underside of the transverse outer side of the enclosure, thereby making a breakthrough on the limitation of the common arrangement mode of the cross-flow fan to the air supply angle in the prior art, expanding the air supply range of the indoor unit and implementing double-region air supplying in multiple modes. D: Disclosed is a wall-mounted air conditioner indoor unit (1), comprising: a housing (10) having an air inlet (11) and an air outlet (12) extending transversely along the housing (10), wherein two separate air guide plates (131, 132) are provided at the air outlet (12) arranged side by side along a transverse direction, each of the air guide plates (131, 132) is configured to pivot about its own axis of rotation parallel to the extending direction of the air outlet (12) in a controlled manner, and the axes of rotation of the two air guide plates (131, 132) are collinear or in parallel; and two separate cross flow fans (21, 22) provided side by side along the transverse direction in the housing (10), wherein each of the cross flow fans (21, 22) is configured to rotate about its own axis of rotation in a controlled manner, and the axes of rotation of the two cross flow fans (21, 22) extend obliquely and frontwards from two transverse ends of the housing (10) towards the middle of the housing (10) respectively, such that the projections of the axes of rotation of the two air guide plates (21, 22) within a horizontal plane form an inverse-V shape gradually inclined frontwards from the two transverse ends of the housing (10) toward the middle of the housing (10). A two-zone air supply of various manner combinations is realized, thus breaking through the limitation of the general arrangement mode of the cross flow fans (21, 22) to the air supply angle thereof, and expanding the air supply range of the indoor unit (1).

B

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed is an assembled block type artificial skating rink, comprising: a refrigeration system (1), multiple liquid supply main pipes (42), and multiple gas return main pipes (41) located on the same circuit as the liquid supply main pipes. The multiple liquid supply main pipes converge at a liquid supply main pipe (32), and the multiple gas return main pipes converge at a gas return main pipe (31). The liquid supply main pipe communicates with a refrigeration liquid output end of the refrigeration system via at least one liquid supply riser (22), and the gas return main pipe communicates with a gas recovery end of the refrigeration system via at least one gas return riser (21). The gas return main pipes are each respectively sheathed on the liquid supply main pipes to form multiple groups of sheathed main pipes. The artificial skating rink is split into different block-shaped areas, each area independently being provided with a freezing discharge pipe and a sheathed collection pipe connected with the sheathed main pipes. A refrigeration liquid control valve set is mounted on the liquid supply main pipes, and a gas control valve set is mounted on the gas return main pipes. According to the requirements of use, the skating rink can independently freeze the required area, thereby obtaining the required form for the surface of the ice, effectively saving on energy resources. A: A debugging assembly. The debugging assembly comprises: a first main pipeline (10) used for communicating with an indoor unit pipeline and a second main pipeline (20) used for communicating with an outdoor unit pipeline; and branch pipelines (30) enabling communication between the first main pipeline (10) and the second main pipeline (20), and provided with throttling assemblies and switch valves (50), the switch valves (50) being configured to control the connection and disconnection of the branch pipelines (30), wherein there are multiple branch pipelines (30), and some of throttling parameters of the throttling assemblies in the multiple branch pipelines (30) are the same. In a test process, vacuumizing is performed once, multiple branch pipelines (30) are used to perform tests by using throttling parameters of a plurality of different throttling assemblies, and in a test process of any one branch pipeline (30), the other branch pipelines (30) are closed by means of the switch valves (50), so as to prevent a test result of the branch pipeline (30) to be tested from being interfered; and the number of times of vacuumizing is reduced, thereby shortening a test period and increasing the test efficiency. B: A gas supply system of a gas bearing for a compressor, an operation method and a refrigeration system. The gas supply system of a gas bearing for a compressor comprises: a first compressor (1) and a refrigeration cycle path in which the first compressor (1) is located, the gas bearing being provided on the first compressor (1); a gas supply tank (3); a gas intake pipe (4), which communicates the gas supply tank (3) with a first portion of the refrigeration cycle path; a gas outlet pipe (5), which communicates the gas supply tank (3) with the first compressor (1); a return pipe (6), which communicates the gas supply tank (3) with a second portion of the refrigeration cycle path; and a regulating valve (61), which is provided in the return pipe (6), the opening of the regulating valve (61) being adjustable so as to regulate the gas flow within the return pipe (6). In a normally stable operating state of the first compressor (1), the gas pressure at the first portion is greater than the gas pressure at the second portion. The gas pressure within a gas supply tank is regulated by means of a regulating valve on a return pipe so as to provide a stable pressure gaseous refrigerant to a gas bearing, the structure is simple, operation and control are convenient, and reliability is high. C: An assembled refrigeration device, used for solving the technical problems of existing skating rinks having poor construction quality and ice-making capabilities, the device comprising refrigeration modules. The refrigeration modules comprise a housing (1) and refrigerant conveying pipelines (2); a heat transmission combined structure is formed by the refrigerant conveying pipelines (2) and the housing (1); outward heat conduction and refrigeration are produced by means of the housing (1), and the housing (1) is provided with a splicing device thereon. The multiple refrigeration modules are spliced and combined by means of the splicing devices, and a refrigeration face is formed on the top face of the housing (1) after splicing and combining. The construction work procedures of the skating rink are simplified, and thus the construction speed and quality thereof as well as the ice making capabilities are improved. D: A combined cascade refrigeration air-conditioning system and the control method therefor, characterized in that a cold-source system of the cascade air-conditioner is comprised of two or more outdoor combined refrigeration modules (1) arranged on the outdoor side of the cascade air-conditioning system. The outdoor combined refrigeration module (1) is comprised of a vapour-compressing refrigeration circulation circuit for a first refrigerant and a circulation circuit for a second refrigerant. One or more indoor air-cooler modules (3) are provided on the indoor side. A storage and transport unit (2) for the second refrigerant is connected between the outdoor combined refrigeration module (1) and the indoor air-cooler module (3) via a liquid collecting pipe (4), a liquid supply main pipe (5) and an air returning main pipe (6) so as to constitute a closed circulation system. The air-conditioning system configures the number of indoor and outdoor modules based on the designed thermal load of the object to be air-conditioned, regulates the refrigerating capacity precisely, and meets the thermal control requirements of all kinds of data rooms and electronic apparatuses; the system can make full use of the positive indoor-outdoor temperature difference in winter and transition seasons to discharge heat at a low cost, thereby achieving the energy-saving of the air conditioning system.

C

Please select the most similar patent number from A, B, C and D. Which number is? A liquid gas industrialized application system, comprising: an air separation liquid gas generating device (1), which is used to produce liquid oxygen, liquid nitrogen and/or liquid argon; a cold energy utilization device, which absorbs cold energy of the liquid oxygen and/or liquid nitrogen to directly cool items that need cooling or uses the freezing point of a refrigerant to store the items; a potential energy utilization device, which uses the gasification and expansion of the liquid oxygen and/or liquid nitrogen to generate pressure to do work; a characteristic utilization device, which stores nitrogen in tanks or carries out an industrial application according to the characteristics of nitrogen, and stores oxygen in tanks or carries out an industrial application; a chemical product utilization device, which uses oxygen to produce ozone, and uses the ozone to produce hydroxyl radicals; and an oxidation device, which sterilizes and/or decomposes polymer compounds on the basis of the strong oxidizing properties of the hydroxyl radicals. A: A laundry treatment device (10), comprising: an ozone generator (100) used for generating ozone; an air pump (102) connected to the ozone generator (100) and used for driving ozone; a laundry treatment drum (104); and a catalyst cavity (106) in communication with the laundry treatment drum (104), further in communication with the ozone generator (100), and used for accommodating a catalyst, the catalyst being used for performing a chemical reaction with ozone and water. According to the technical solution, in the washing process, ozone and a hydroxyl radical can be simultaneously used to sterilize, and in the drying process, an ozone gas can be individually used to sterilize. Moreover, the dissolving of a detergent can be accelerated, cold water can be used to sterilize, the color contamination of the laundry is prevented, etc. B: Provided is a device that uses ozone, hydrogen peroxide, and hydroxyl radicals to sterilize, detoxify and purify indoor air, while simultaneously removing radon gas. The device is provided with a condensing unit (10) having a Peltier structure, and further provided with a device (2) that discharges electricity and generates ozone. The device further has an ultraviolet lamp (9) and a titanium dioxide coating for creating a titanium dioxide physical environment. The device is also provided with generation boxes (3, 5). Ultrasonic waves are used to electrolyze a liquid, such as water, hydrogen peroxide or oxygen, in the generation boxes (3, 5), so as to further generate hydroxyl radicals. C: A disinfection and sterilization system and a sterilization method. The disinfection and sterilization system is based on a sterilization gas generating apparatus (11). The sterilization gas generating apparatus (11) comprises a hydroxyl radical generating part, a mixing part, and an enhancing part. Hydroxyl radical mist generated in the hydroxyl radical generating part is introduced into the mixing part and then mixed with ozone. The mixing part is in communication with the enhancing part so that the mixed mist is further introduced into the enhancing part. A first ultraviolet lamp (6) used for exciting and/or degrading ozone is provided within the enhancing part. The sterilization gas generating apparatus (11) is combined with other apparatus and applied in various different application scenarios for disinfecting and sterilizing the environment and human body. The employment of the mixture of ozone and a hydroxyl radical for sterilization not only provides strong oxidation capability and a great sterilization effect, but also is environmentally and physically friendly, avoids the generation of secondary pollution and side effects, and is broadly applicable. D: Provided are a method and apparatus for producing nitrogen and oxygen by means of cryogenic distillation of air. Nitrogen products are extracted only from the top of a tower (11). If a customer needs nitrogen with lower pressure, part of pure nitrogen (124) which is partially located at a first nitrogen product pressure is reheated in a main heat exchanger (1), then decompressed to a second nitrogen product pressure by means of a nitrogen expander (23), further reheated by means of the main heat exchanger (1), and output as a low-pressure nitrogen product. The nitrogen expander (23) can be braked by an expander booster (24) for compressing air. By means of the method, nitrogen with different pressures can be suitably produced, and moreover, the energy consumption for producing the pressurized air can be reduced by utilizing the expansion work of nitrogen.

D

Please select the most similar patent number from A, B, C and D. Which number is? Provided in the present invention is a refrigerator, comprising a housing. An accommodating area is provided in the housing. A lining of the refrigerator is provided in the accommodating area. A foamed air supply pipe is provided between the lining and the housing. An air chamber is provided in the foamed air supply pipe. Between an air inlet and an air outlet of the air chamber, the air chamber wall of the air chamber is provided as an arc in the direction of airflow, thus ensuring the efficiency of air supply. An overflow groove is provided on the outer surface of the foamed air supply pipe facing the lining. Foam is filled between the overflow groove and the lining. The overflow groove is capable of accommodating some of the foam squeezing against the foamed air supply pipe, thus allowing the foamed air supply pipe to be connected to the lining via the foam, preventing adhesion, increasing production efficiency, and reducing to a certain extent the squeezing of the foam against the foamed air supply pipe. At the same time, because the pipe wall of the foamed air supply pipe is flexible, the air chamber in the air supply pipe is not affected by the foam squeezing against the foamed air supply pipe, thus reducing quality risks. A: Disclosed is a refrigerator capable of returning air from a side part of a cabinet thereof, the refrigerator comprising a bottom liner, a plurality of upper liners and two side wall return-air channels, wherein the bottom part of the bottom liner is provided with a cooling chamber, side walls of two sides of the cooling chamber are respectively provided with a side return-air opening, the plurality of upper liners are arranged above the bottom liner in sequence, the front parts of side walls of two sides of each upper liner are respectively provided with an air discharge opening, the two side wall return-air channels are respectively positioned at an outer part of the bottom liner and an outer part of a side wall of one side of the plurality of upper liners, each side wall return-air channel is provided with a connection opening, the lower end of each side wall return-air channel is connected to the side return-air opening, such that return airflows of the plurality of upper liners are introduced into the cooling chamber. In the refrigerator, return airflows of a refrigerating chamber and a variable-temperature chamber can all be led into the cooling chamber, and an independent air supply system of the refrigerating chamber is eliminated, such that the production costs of the refrigerator is reduced; and the side wall return-air channels are rationally arranged, such that the cabinet of the refrigerator is more stable and aesthetic. B: A fresh air indoor air conditioner unit (10) comprises a housing (100) and a fresh air device (200). The fresh air device (200) comprises an air inlet module (210) and a fan module (220) communicating with the air inlet module (210). An air inlet cavity is defined in the air inlet module (210), and a pipeline connection portion (212) communicating with the air inlet cavity (211) is provided. The pipeline connection portion (212) is connected to an outdoor fresh air inlet tube (213). The fan module (220) comprises a centrifugal fan (221) and a volute (222) provided outside the centrifugal fan (221). An air inlet of the volute (222) communicates with the air inlet cavity (211), and an air outlet (223) of the volute (222) faces a top portion of the housing (100). An air supply fan (400) is configured to intake, at an air inlet (110) at the top portion of the housing (100), at least some of the air discharged by the centrifugal fan (221), and the air exchanges heat with a heat exchanger (300), and is then discharged via an air supply outlet (120) at a lower portion of the housing (100). C: A laundry device, comprising a barrel assembly, a valve assembly (5), and a fan (6), wherein the valve assembly comprises a blocking mechanism and a valve housing (51) which has an air intake cavity (511) and an air outlet cavity (512), the air intake cavity and the air outlet cavity are arranged independent of each other, the air intake cavity communicates with air intake pipelines (7, 8) that connect the outside with the barrel assembly, the air outlet cavity communicates with air outlet pipelines (9, 10) that connect the outside with the barrel assembly, the fan is provided on the air intake pipelines and/or the air outlet pipelines, and the blocking mechanism is arranged to be able to simultaneously block the air intake pipelines and the air outlet pipelines. Further relating to a valve assembly. According to the laundry device and the valve assembly, the air intake pipelines and the air outlet pipelines can be blocked at the same time, so that the dual blocking effects of blocking the entry of external dust and preventing foam overflow can be achieved. The structure is simple, the overall structure arrangement of products is facilitated, and the design complexity is reduced. D: A textile air duct capable of increasing air supply efficiency, comprising: an air blower, an air inflation pump, an air duct body and a fixing rod; the air blower is provided with an air outlet pipe, the air duct body is provided with a connecting pipe, the air inflation pump is provided with an air inflation pipe, and the air inflation pipe is fitted with an air nozzle; the lower end of each suspension rod is rotatably provided with a locking hook, the air duct body is provided with support straps, and the air duct body is connected to the locking hooks by means of the support straps; the air duct body comprises a textile fabric layer, a first pressure-resistant layer, an air inflation layer, a second pressure-resistant layer and a thermal insulation layer, and a ventilation cavity is further provided inside the air duct body; the thermal insulation layer is the innermost layer, the second pressure-resistant layer has one side connected to the thermal insulation layer and the other side connected to the air inflation layer, the side of the air inflation layer away from the second pressure-resistant layer is connected to the first pressure-resistant layer, the other side of the first pressure-resistant layer is connected to the textile fabric layer, and the textile fabric layer is the outermost layer. In the present utility model, the textile air duct does not collapse while ensuring the softness of the textile air duct, has a high air supply efficiency and a simple structure, is convenient to assemble, disassemble and clean, and is very convenient to use.

A

Please select the most similar patent number from A, B, C and D. Which number is? A cooling assembly (100) and a refrigeration device (1000) having same. The cooling assembly (100) comprises: a cooling box (1), a driving member (2), and a receiving member (3). The cooling box (1) comprises a storage chamber (a) for containing a cooling medium; the driving member (2) comprises a driver body (21) and a rotating shaft (22) rotatable with respect to the driver body (21); the driver body (21) can be fixedly connected to the cooling box (1) outside the cooling box (1) or in the cooling box (1); the receiving member (3) is used for fixing an object to be cooled (200); the rotating shaft (22) is connected to the receiving member (3) to drive the receiving member (3) to rotate; and at least a portion of the receiving member (3) protrudes into the storage chamber (a). A: Disclosed is an engine cooling fan, the cooling fan comprising: a first blade shaft (100), a plurality of first blades (110) being provided on the first blade shaft (100); a second blade shaft (200), a plurality of second blades (210) being provided on the second blade shaft (200), and the first blade shaft (100) rotatably embedded within the second blade shaft (200); a drive motor, the drive motor being connected to the first blade shaft (100) to drive the first blade shaft (100) to rotate; and a torsion spring (300), with one end of the torsion spring (300) being connected to the first blade shaft (100) and the other end of the torsion spring (300) being connected to the second blade shaft (200). The cooling fan realizes width adjustable fan blades, meets the requirements of air flow for the engine, and generally reduces the overall fuel consumption of the vehicle. Meanwhile, further disclosed are a cooling fan assembly comprising the above-mentioned engine cooling fan and a vehicle having the cooling fan assembly. B: A liquid cooling device (100) without using electricity comprises a refrigerating member, a cooling tank (2) for accommodating liquid to be cooled, a thermometer (4) provided on one side of the cooling tank (2) and a water flow switch (5) provided at the bottom of the cooling tank (2). The refrigerating member comprises a sealed casing (101) and refrigerating liquid (102) in the sealed casing (101). The liquid cooling device (100) can cool the liquid without using electricity, and it is simple to operate, cheap to manufacture and easy to use. C: A cooling substrate, a cooling component, a display component, a resin pool component, and a 3D printer are provided. The cooling component comprises: a cooling substrate (3), a first high temperature resistant transparent medium (4), and a second high temperature resistant transparent medium (9); wherein the first high temperature resistant transparent medium (4) is disposed on an upper surface (31) of the cooling substrate (3), and the second high temperature resistant transparent medium (9) is disposed on a lower surface (32) of the cooling substrate (3). The cooling substrate (3) has a continuous hollow structure, such that a channel (3a) used for cooling liquid to flow through is formed between the cooling substrate (3) and the first high temperature resistant transparent medium (4) and the second high temperature resistant transparent medium (9). The cooling component has good heat dissipation ability, does not deform easily after being heated, and can ensure normal operations and printing precision of the printer. D: Disclosed are a clamping device (10) and a vehicle-mounted support. The clamping device comprises a connecting assembly (20), a rotating member (30), and a clamping assembly (40), wherein the connecting assembly comprises a connecting member (201) and a transmission member (203), the transmission member comprises an accommodating cavity (2031) and an opening (2033) in communication with the accommodating cavity, and the connecting member is connected to a side of the transmission member away from the opening; the clamping assembly comprises a first clamping arm (401) and a second clamping arm (403), the first clamping arm and the second clamping arm are partially accommodated in the accommodating cavity and rotationally connected to the transmission member; and the rotating member is sleeved on the transmission member, the rotating member is in threaded connection with the transmission member, and when the rotating member is rotated, the rotating member moves in an axial direction of the transmission member so as to drive the first clamping arm and the second clamping arm to move relatively, such that ends, located outside the accommodating cavity, of the first clamping arm and the second clamping arm are close to each other or away from each other. The vehicle-mounted support comprises the clamping device and a vehicle-mounted clamp.

B

Please select the most similar patent number from A, B, C and D. Which number is? A system and method for supplying a backup product in an air separation device, as well as a system and method for supplying a lower-pressure product to a user by means of pressurization of a cryogenic liquid pump (2) during normal operation of an air separation device, i.e., when the cryogenic liquid pump (2) is in the cold standby state. By means of the system and method, a cryogenic liquid product taken from a storage tank (1) is pressurized by the cryogenic liquid pump (2) to produce a lower-pressure product by taking full advantage of the low-speed operation of the cryogenic liquid pump (2) in the cold standby state, and the lower-pressure product is transmitted to product supply lines (7, 8) of a user, to achieve the function of supplying the lower-pressure product to the user. The system and method not only reduce the energy loss of the cryogenic liquid pump (2) in the cold standby state for a long time, but also avoid the bleeding rate of the cryogenic liquid product generated by sending a part of the cryogenic liquid product back to the storage tank (1), so that the advantage of quickly starting the cryogenic liquid pump (2) from the cold standby state is ensured, and the requirements of the user to the higher-pressure product and the lower-pressure product can be satisfied. A: Disclosed are a method and a device for filling a dry-type dewar flask. A dry-type dewar flask (1) provided with a porous absorption material (2) capable of absorbing a low-temperature liquid is filled with a low-temperature liquid, such as liquid nitrogen; and the low-temperature liquid enters a supercooled state by means of vacuum-pumping or adding liquid helium, etc. Additionally providing the porous absorption material (2) to absorb the low-temperature liquid can realize quick and efficient filling and obtain a high-quality cold source. B: The present invention relates to fully-liquefied gas separation equipment and process. The fully-liquefied gas separation equipment comprises air filtration, compression, precooling, and purification systems, a high-temperature expander, a low-temperature expander, a main heat exchanger, and a rectification system. The air filtration, compression, precooling, and purification systems are connected sequentially to a pressurizing side of the high-temperature expander, a pressurizing side of the low-temperature expander, and the main heat exchanger and then is divided into two branches, respectively connected to an expanding side of the low-temperature expander and the rectification system. The expanding side of the low-temperature expander is connected respectively to the main heat exchanger and the rectification system. The main heat exchanger in turn is connected to the expanding side of the high-temperature expander. The expanding side of the high-temperature expander in turn is connected to the main heat exchanger. The main heat exchanger in turn is connected to the purification system. A low-pressure contaminated nitrogen outlet and a low-pressure nitrogen outlet of the rectification system respectively are connected to the main heat exchanger. The heat exchanger is then connected to the precooling system. The fully-liquefied gas separation process is implemented on the basis of the fully-liquefied gas separation equipment. The present invention has a simple configuration, is easy to implement, provides high gas separation efficiency, and has a low energy consumption. C: A waste heat recovery system, comprising N circulation loops in which gas/liquid phase variable media circulate, N being an integer greater than or equal to 1. When N is 1, a first circulation loop comprises a waste heat exchanger, a first stage steam turbine or a first stage expander, a first stage condenser and a first stage liquid pump which are sequentially connected from end to end. When N is an integer greater than or equal to 2, an Nth circulation loop comprises an N-1 stage condenser, an N stage steam turbine or an N stage expander, an N stage condenser and an N stage liquid pump which are sequentially connected from end to end, the N-1 stage condenser being configured to cause an Nth medium flowing through the Nth circulation loop to cool an Nth-1 medium outputted by an N-1 stage steam turbine or an N-1 stage expander, the N stage condenser being configured to cool the Nth-1 medium outputted by the N stage steam turbine or the N stage expander, the N stage condenser being configured to cool the Nth medium outputted by the N stage steam turbine or the N stage expander. A first medium of the first circulation loop is a low temperature liquid medium, and the Nth medium is a low temperature liquid medium having a boiling point of less than 0 degrees Celsius under standard atmospheric pressure. The system effectively utilises waste latent heat energy in the waste heat exchanger, and reduces energy waste. Also provided are a waste heat recovery method suitable for the waste heat recovery system, and a power station. D: A liquid treatment device, a heat exchange device (4), a heat exchange box (10), a liquid heating appliance (20), a control method for the liquid heating appliance (20), a control device for the liquid heating appliance (20), and a computer-readable storage medium (90). The liquid treatment device comprises: a liquid inlet channel; a liquid outlet channel (32) and a heat exchange device (4); and a heating assembly. When outputting a liquid such as water having a relatively low temperature, the liquid treatment device can first heat the liquid such as water to a relatively high temperature by means of the heating assembly, so as to realize high-temperature sterilization, and then performs, by means of the heat exchange device (4), heat exchange to cool the liquid such as water which has been heated to a relatively high temperature to a temperature required by a user and then discharge same, so that a liquid such as water having a specified temperature can be outputted; in addition, performing high-temperature sterilization or disinfection on the liquid such as water which has a relatively low temperature before outputting same can remove bacteria and microorganisms in the liquid, thereby ensuring that the output low-temperature liquid is clean and sanitary.

B

Please select the most similar patent number from A, B, C and D. Which number is? A vacuum drying apparatus, comprising a drying tank (11), agitation shafts (12), and an agitation motor (14). Agitation blades (16) are provided on the agitation shafts (12). Both ends of the agitation shafts (12) are separately and fixedly connected to the drying tank (11) by means of bearings and bearing seats, and the agitation shafts (12) are connected to the agitation motor (14). A heating element is provided inside an intermediate layer between an inner layer and an outer layer of the drying tank (11). The drying tank (11) consists of a lower centrally-split tank body and an upper centrally-split tank body, said lower and upper tank bodies being sealed and fixedly connected by means of a sealing ring and fixing bolts. A hollow cavity is provided inside the lower centrally-split tank body, the hollow cavity being provided with an electric heating device and a heat-conducting medium. The electric heating device is controlled by a control system, and the heat-conducting medium is in communication with a vacuum waste heat recovery apparatus. The present vacuum drying apparatus features a novel structure, stable operation, convenient replacement, high working efficiency, and a long service life. A: A pre-mixing device for a chemical reactor, comprising a pre-processing tank (6); a stirring assembly (1) is provided at the upper portion of the pre-processing tank (6), a discharging pipe (2) is provided at one side of the lower portion of the pre-processing tank (6), and a supporting frame (3) is provided at the middle portion of the pre-processing tank (6); the stirring assembly (1) comprises a stirring shaft (15), the stirring shaft (15) is rotatably provided at the inner middle portion of the pre-processing tank (6), the upper end of the stirring shaft (15) is connected to a driving shaft of a stirring motor (14) by means of a coupling, the stirring motor (14) is mounted at a top position of the pre-processing tank (6), stirring blades (13) are provided at the upper portion of the stirring shaft (15), connecting rods (157) are provided at the lower portion of the stirring shaft (15), a ball bearing (158) is fixed at one end of each of the connecting rods (157), auxiliary rotating shafts (155) are inserted in the ball bearings (158), gears (156) are fixed on the auxiliary rotating shafts (155), the gears (156) engage with a ring gear (153) by means of the gears (156), the ring gear (153) is fixed on a support (154), the support (154) is fixed at the lower portion of the inner wall of the pre-processing tank (6), and the auxiliary rotating shafts (155) are provided with auxiliary blades (151). B: A high-efficiency sludge treatment apparatus, related to the technical field of sludge treatment, comprising a sludge treating housing (1) and a fixed base (11) provided at the underside of the sludge treating housing (1). A stirring electric motor (5) is fixedly mounted on the right side of the sludge treating housing (1). An output end of the stirring electric motor (5) is fixedly connected to a stirring shaft (501). Stirring rods (502) are fixedly provided at an interval on the surface of the stirring shaft (501). A material inlet pipe (4) is fixedly provided at the middle of the upper end of the sludge treating housing (1). A hot air blower (27) is fixedly mounted at the upper end of the sludge treating housing (1) on the side in proximity to the material inlet pipe (4). With sludge undergoing a tiered multilayered filtration treatment via a tier-one filter layer (15) and a tier-two filter layer (16), tiered classification and collection of the sludge are implemented, high-temperature hot air produced by the hot air blower (27) is capable of performing a drying and sterilization treatment with respect to the sludge, the stirring rods (502) and stirring blades (503) are capable of stirring and flipping the sludge in the sludge treating housing (1) so that effects of the drying and sterilization treatment of the sludge are uniform and full, thus increasing the work efficiency of a sludge treatment. C: A vacuum drying device and method for a panel substrate after cleaning, the device comprising a pre-dehydration system and a vacuum drying system. A transfer conveying device is arranged between the pre-dehydration system and the vacuum drying system and is used for connecting the pre-dehydration system and the vacuum drying system in series and conveying a product to be dried; the pre-dehydration system comprises a water tank, a circulating pump and a heater, wherein the water tank is connected to the heater, which is arranged externally, by means of the circulating pump and is used for adjusting the temperature of the water in the water tank; and the vacuum drying system comprises a static charge eliminating device, a drying chamber, a nitrogen gas source, a heating cavity, a condenser, a temperature controller, an infrared heater and a vacuum pump, wherein the nitrogen gas source is heated by means of the heating cavity, then is led into the static charge eliminating device and then is sent into an air inlet of the vacuum pump, the infrared heater is arranged in the drying chamber, one end of the condenser is connected to an air outlet of the drying chamber, the other end of the condenser is connected to the vacuum pump, and the infrared heater and the condenser are both connected to the temperature controller to adjust the chamber temperature of the drying chamber. D: An efficient crushing feed hopper comprising a feed hopper (1), wherein a cover plate (2) is arranged at an upper end of the feed hopper (1); a longitudinal stirring electric motor (3) is arranged at an upper end of the cover plate (2); a stirring shaft (4) is arranged at a lower end of the longitudinal stirring electric motor (3) and located in the feed hopper (1); an auger delivery piece (5) is mounted on the stirring shaft (4); the feed hopper (1) has an upper portion in the shape of a cylinder and a lower portion in the shape of an inverted cone; a rotating shaft (6) is arranged below the stirring shaft (4) and located in the feed hopper (1); stirring blades (7) are mounted on the rotating shaft (6); the rotating shaft (6) is movably connected to a side wall of the feed hopper (1) via a bearing seat; a transverse stirring electric motor (8) is connected to an outer end of the rotating shaft (6); the transverse stirring electric motor (8) is fixedly mounted on the side wall of the feed hopper (1); a discharge tube (9) is arranged at a lower end of the feed hopper (1); and a feed port (13) is provided on the cover plate (2). By adding a longitudinally arranged stirring shaft and a transversely arranged rotating shaft in a feed hopper, agglomerate materials in the feed hopper can be double stirred, thereby ensuring sufficient crushing of the agglomerate materials, effectively preventing the materials from blocking the feed hopper and lengthening the usage life of the feed hopper.

C

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed in the present utility model is a drying device for cement processing. The drying device comprises a support seat; a drying main body is fixedly mounted on an upper end of the support seat; a crushing motor is fixedly mounted on an upper end of the drying main body; a support leg is fixedly mounted on a lower end of the support base; a gap is fixedly provided at a front end of the support leg; a discharging hopper is fixedly mounted on a lower end of the drying main body; a lower end of the discharging hopper passes through the support seat and extends to the inner side of the support leg; the upper end of the drying main body is located on the right side of the crushing motor and a feeding port is fixedly mounted thereon; a lower end of the feeding port passes through the drying main body and extends to the interior of the drying main body; a feeding hopper is fixedly provided on an upper portion of the interior of the drying main body; and the feeding port fixedly communicates with the feeding hopper. The drying device for cement processing can cool and blow dried materials to prevent the stacking of cement materials with hot and humid air, thereby causing moisture regain. A: A quick freezing apparatus for aquatic products, comprising a housing. A material guide hole is formed in the inner wall of the bottom of the housing, a feed hopper is fixedly mounted on one side of the housing, the feed hopper is communicated with the material guide hole, a first rotating rod is rotatably connected to the inner wall of the feed hopper, a spiral blade is fixedly mounted on the first rotating rod, a motor is fixedly mounted on one side of the feed hopper, an output shaft of the motor is fixedly connected to the first rotating rod, a second rotating rod is rotatably connected to the housing, the first rotating rod is in transmission connection with the second rotating rod, four symmetrically arranged support legs are fixedly mounted at the bottom of the housing, a water tank is provided at the bottom of the housing, a water guide pipe is fixedly mounted on the inner wall of the housing, a plurality of adapters are slidably connected to the water guide pipe, a connecting pipe is fixedly mounted at the bottoms of the adapters, a nozzle is fixedly mounted at the bottom end of the connecting pipe, a freezing chamber is fixedly mounted on the inner wall of the top of the housing, air guide pipes are fixedly mounted on the inner walls of both sides of the housing, a connecting pipe is fixedly connected to the air guide pipes, the connecting pipe is connected to the freezing chamber, hoses are fixedly mounted on the inner walls of both sides of the water tank, and one ends of the hoses are fixedly connected to the water guide pipe. Also disclosed is a method for freezing the aquatic products by using the apparatus. B: Disclosed in the present utility model is a water surface rubbish cleaning machine, comprising a support frame, a mounting plate being fixedly arranged at the upper end of the support frame, a floating airbag being arranged at one end of the mounting plate, two support crossbars being arranged on the inner side of the support frame, a support framework being arranged on the upper end of the support crossbars, a fishing net being arranged on the inner side of the support framework, a drive motor being fixedly mounted on both sides of one end of the inner side wall of the support frame, a rotating shaft being fixedly connected to an output shaft of the drive motors, a gear being fixedly arranged on the rotating shaft, a rack being fixedly arranged on the sides of the support crossbars furthest from one another, a collecting tank being fixedly arranged on the left and right sides of the upper end of the support frame, a feed inlet being arranged on the upper end of the sides of the two collecting tanks closest to one another, and a filter mesh being arranged inside the collecting tanks. The present utility model facilitates cleaning and collection of water surface rubbish, and can increase water surface rubbish cleaning efficiency and save labour. C: An auto-adding dye mechanism for intelligent manufacturing production and dyeing of a garment fabric, comprising a main body. Supporting springs are arranged at the bottom of an inner wall of the main body, supporting rods are fixedly mounted at the upper ends of the supporting springs, and dye boxes are fixedly mounted on the upper ends of the supporting rods, first gear racks being arranged on the sides of the supporting rods facing away from each other, movable gears are connected to the outer sides of the first gear racks by means of meshing, second gear racks are connected to the sides of the gears away from the first gear strips by means of meshing, and movable blocks are fixedly installed on the sides of the second gear racks away from the movable gears. In the present auto-adding dye mechanism for intelligent manufacturing production and dyeing of garment fabric, after dyeing is finished, a garment fabric above a screen is driven to move upwards by means of driving the sliding blocks, and then kinetic energy is generated by means of a drying mechanism to perform drying processing on the dyed garment fabric, thus allowing for rapid drying, convenient use, and a high working efficiency, and having value for broad use. D: An efficient drying device for a panel, comprising a drying device body (1). Feed inlets (3) are fixedly connected to the front of the drying device body (1). Block panels (5) are fixedly connected to both left and right sides of the feed inlets (3). Nuts (4) are fixedly connected to left and right sides on the front of the block panels (5). A controller (2) is fixedly connected to the upper left side on the front of the drying device body (1). A base (6) is fixedly connected to the bottom of the drying device body (1). Support rods (11) are fixedly connected to the bottom on the left side of the drying device body (1). Fixing blocks (8) are fixedly connected to the front of the support rods (11). The drying device body (1), the block panels (5), the feed inlets (3), and the nuts (4) work in conjunction to dry panels while keeping the drying positions uniform.

D

Please select the most similar patent number from A, B, C and D. Which number is? A microwave heating and drying device and a microwave heating and drying method. The device comprises a lifting mechanism (3), a microwave drying mechanism, a working compartment (7) for accommodating a material and having an opening at the top, and a conveying roller (5) for conveying the working compartment (7) to the lifting mechanism (3). The microwave drying mechanism has a microwave generator (12), a microwave cover (8), and a microwave guide tube (11) connected to the microwave generator (12) and the microwave cover (8). A microwave outlet is provided on a lower portion of the microwave cover (8). The conveying roller (5) is provided on the lifting mechanism (3), and is capable of performing vertical movement together with the lifting mechanism (3). The lifting mechanism (3) is provided below the microwave cover (8). The lifting mechanism (3) is for lifting the working compartment (7) containing a material, such that the opening at the top of the working container (7) contacts the microwave outlet. A first sealing structure for preventing microwave leakage is disposed between the opening at the top of the working compartment (7) and the microwave outlet. The microwave heating and drying device resolves the issue of microwave leakage during a microwave curing process, and improves the utilization rate, as well as the heating and drying efficiency, of the device. A: Disclosed is a microwave vacuum hot-air drying all-in-one machine, comprising a cabinet (1), a rotary drying frame (2), drying trays (3), a rotating electric motor (4), and magnetrons (5), wherein the rotary drying frame (2) is a layer structure and is arranged in the cabinet (1); the bottom of the rotary drying frame (2) is provided with rotating rollers (6), and the multiple drying trays (3) are evenly distributed on the rotary drying frame (2); the rotating electric motor (4) is arranged at the bottom of the cabinet (1) and is located directly below the rotary drying frame (2); a transmission shaft of the rotating electric motor (4) is connected to a transmission member (7), and the transmission member (7) is connected to the bottom of the rotary drying frame (2); the magnetrons (5) are arranged on an inner side wall of the cabinet (1) and are used to perform microwave drying for materials on the drying trays (3); a side wall of the cabinet (1) is provided with an air inlet (8), and the top thereof is provided with an air outlet (9); and the air inlet (8) is connected to a distributor (10) located in the cabinet (1), and the distributor (10) is arranged facing the rotary drying frame (2). The microwave vacuum hot-air drying all-in-one machine shortens the time for microwave sterilization, and is high speed, saves on energy, and has less additional heat energy loss. B: A microwave heating device and control method therefor, the microwave heating device comprising: a heating chamber (1), a microwave source (2) used to generate microwaves, a controller (6), a plurality of waveguide ports (3) located on the heating chamber (1), a plurality of radio frequency switches (4) and a plurality of radio frequency output ports (5) corresponding to the plurality of radio frequency switches (4). The plurality of radio frequency output ports (5) are respectively and correspondingly connected to the plurality of waveguide ports (3), and the plurality of radio frequency switches (4) are connected to the microwave source (2). The controller (6) controls the plurality of radio frequency switches (4) so that in each time period at least one of the radio frequency output ports (5) within the plurality of radio frequency output ports (5) outputs microwaves. The plurality of waveguide ports (3) in the present microwave heating device share a microwave source (2), and controlling is performed by the plurality of radio frequency switches (4). The present device has a simple structure, and outputting microwaves by switching different radio frequency output ports (5) increases the heating uniformity of the microwave heating device. C: Provided are a microwave heating-based thermochemical hydrogen production system, a hydrogen production method therefor and use thereof. The hydrogen production system is as follows: the inlet of a preheater (3) is in communication with a carrier gas storage device (1), and a flow controller (2) is provided therebetween; the outlet of the preheater (3) is respectively in communication with the inlet of a steam generator (13) and one end of the second-three-way valve (5) via the first-three-way valve (4); the other two ends of the second-three-way valve (5) are respectively in communication with the outlet of the superheater (14) and the inlet of a reactor (7); the reactor (7) is provided in a microwave generation device (6); the outlet of the steam generator (13) is in communication with the inlet of the superheater (14) via a pipeline; the outlet of the reactor (7), a condenser (9), a drying device (10) and a collection device (12) are successively communicated; and a chromatograph (11) is provided on a communication pipeline between the drying device (10) and the collection device (12). Microwave pyrolysis of metal oxides has the characteristics of low energy consumption and fast temperature rise, so that the cost of experiments can be reduced, the cycle of repeated experiments is reduced, and the effective energy utilization rate is greatly improved. D: A three-dimensional printing method for food using microwaves and a printer, which relate to the technical field of foodstuffs. Microwaves are released at the front end by means of a microwave heating probe (9) embedded in the inner wall of a feeding barrel (5), and the effect of instant curing of an extruded material is achieved by combining the size settings of a non-wave absorbing material (27); by means of the design of a horn mouth (21) and a choke groove (23) of an anti-leakage unit and the design of a wave absorbing material of a printing platform (4), the heating efficiency of a product is effectively improved, and microwave leakage and diffusion are prevented. A cooling device is provided so as to ensure that a material to be printed contained in the charging barrel (5) is not cooked by microwave heating before entering the an extrusion nozzle (26). Microwaves are generated by a microwave solid-state source (8) and are conducted by a transmission line, so that microwave output is stable. In addition, power and frequency may be adjusted according to printing requirements, and the microwave solid-state source (8) is small in size and convenient to integrate. The printed product structure is high in mechanical strength by means of printing and heating curing, a hollow unsupported three-dimensional structure may be manufactured, and a product model does not easily collapse.

A

Please select the most similar patent number from A, B, C and D. Which number is? Disclosed is a furnace door sealing apparatus for a low-pressure diffusion furnace, the apparatus comprising: a furnace door (1), a fixing shaft (2) and a fixing seat (3) successively arranged from front to back and arranged coaxially. The middle of a rear end face of the furnace door (1) is fixed with a bearing seat (6); a centripetal joint bearing (4) is provided within the bearing seat (6); an outer ring of the centripetal joint bearing (4) is fixed within the bearing seat (6); the inner ring of the centripetal joint bearing (4) is fixedly sheathed on a front end of the fixing shaft (2); a rear end of the fixing shaft (2) is fixed within the fixing seat (3); a front end face of the fixing seat (3) is also fixed with a supporting plate (8); and a plurality of spring adjusting components are provided at intervals on the supporting plate (8). A: Disclosed is a ball bearing high-speed electric main shaft for milling, comprising an upper bearing seat assembly (5), an upper bearing assembly (6) being fixed via an upper bearing lock nut (17) in a through-hole within the upper bearing seat assembly (5), wherein the front end of a step of the upper bearing seat assembly (5) is fixed to the rear end of a machine body assembly (9), and the front end of a lower bearing assembly (10) is fixed to a lower bearing pressure ring (16) by a lower bearing lock nut (15), and the rear end of a spindle main body of a spindle assembly (7) is fixed to an encoder (18) detecting the rotational speed. The rotational speed of the electric main shaft is adjustable and when operating at a high rotational speed, the main shaft has high accuracy, adequate axial and radial rigidity, and a long service life. B: Disclosed is a universal pressing roller for a carton sealing machine, falling within the technical field of packaging machinery equipment. The universal pressing roller comprises a shaft fixing frame (1), a shaft (2), a bearing ball (3) and a collar (4), with one end of the shaft (2) being fixed to the shaft fixing frame (1), two sides of the bearing ball (3) being respectively fixed to the middle part of the shaft (2) via the collar (4), a bearing ball outer sleeve (5) being sleeved on the bearing ball (3), the bearing ball (3) and the bearing ball outer sleeve (5) being slidable relative to each other, a bearing seat (6) being fixed to the bearing ball outer sleeve (5), and a rubber wheel (7) being provided on the outer side of the bearing seat (6). Since the middle part of the shaft of the universal pressing roller is provided with the bearing ball, the rubber wheel on the shaft can self-adjust an angle according to the angle of a contact surface of a to-be-sealed carton in contact with the rubber wheel, so that the sticking of same with tape is smooth and nice-looking, without changing the original shape of the carton. Furthermore, the universal pressing roller is simple in structure, and is safe, stable, convenient and reliable during use. With the universal pressing roller, the cartons have a consistent and nice look after being sealed. The universal pressing roller is suitable for assembly line work, and can be used to make improvements on almost all the existing carton sealing machines to solve the general problem of the carton surface not being parallel to the roller, and is suitable for being popularized. C: An electromagnetic dog clutch, which is used for solving the technical problem that friction easily occurs between a bearing seat and an end cover of a movable gear sleeve in an existing electromagnetic dog clutch. The electromagnetic dog clutch comprises a movable gear sleeve (5) and a fixed gear sleeve (12) which are in meshing transmission with each other, a first end cover (6) is provided at an outer side of the movable gear sleeve (5), a bearing (1) is provided on the outer circumference of the movable gear sleeve (5), the bearing (1) is embedded within a bearing seat (7), a positioning surface is provided at a rear end of the bearing seat (7), a front end of the first end cover (6) is a vertical flat surface fitted with the positioning surface of the bearing seat (7), a positioning pin (15) is provided at the front end of the first end cover (6), a positioning hole is provided at the rear end of the bearing seat (7) in cooperation, and the positioning pin (15) is inserted into the positioning hole to allow the relative axial movement and limit the relative rotational movement between the bearing seat (7) and the first end cover (6), avoiding friction between the two. D: Disclosed is an environment-friendly thermal treatment furnace, comprising a furnace body (1) and a furnace door (2), wherein a furnace opening (1-1) is provided on a side surface of the furnace body (1) and the furnace door (2) is provided on the furnace opening (1-1), which is characterized in that: a connection rod (3) is arranged on the side surface of the furnace body (1) which is provided with the furnace opening (1-1), two cross bars (4) are fixed to the connection rod (3), and two ends of the connection rod (3) are hinged with the furnace body (1); upper and lower sides of the furnace door (2) are respectively connected to the two cross bars (4) via a strut (5), a waist-shaped hole (6) is provided on each of the upper and lower sides of the furnace door (2) respectively, and the length of the waist-shaped hole (6) extends from the point close to the furnace body (1) to the direction away from the furnace body (1), and one end of the strut (5) is fixed with the cross bar (4), and the other end of the strut (5) extends into the waist-shaped hole (6) to be hinged with the furnace door (2); A retaining ring (7) and a sealing ring (8) are provided on an inner side of the furnace door (2), and the sealing ring (8) is fitted inside the retaining ring (7), a groove (9) matched with the retaining ring (7) and the sealing ring (8) is provided on the outer periphery of the furnace opening (1-1) of the furnace body (1), the sealing ring (8) and the retaining ring (7) are provided with through-holes (10) on side surfaces, and filter screens (11) are provided on the through-holes (10) of the retaining ring (7).

D

Please select the most similar patent number from A, B, C and D. Which number is? The present invention provides a plate heat exchanger having a flow-dividing plate path. The heat exchanger comprises a housing and two or more heat exchange modules vertically disposed in the housing. The number of auxiliary heat exchange plates in the uppermost heat exchange module is n1, the number of auxiliary heat exchange plates in the next heat exchange module is n2, and the number of auxiliary heat exchange plates in the next heat exchange module is n3, and so on, where n1, n2, and n3 are natural numbers, and at least one heat exchange module has a non-zero number of auxiliary heat exchange plates therein. In each heat exchange module provided with an auxiliary heat exchange plate, the connection point between a main plate inlet pipe and an inlet-end collection pipe is higher than the connection point between an auxiliary plate inlet pipe and the inlet-end collection pipe. Part of liquid phase substances, including oil, in plate-path fluids are concentrated and converged by means of the inlet-end collection pipe, and are then introduced into a separate auxiliary plate to accelerate discharge of the liquid phase substances, thereby greatly reducing the amount of liquid phase substances and oil passing through heat exchange fins of the main unit, and improving the overall heat exchange efficiency of the device. A: A closed cooling tower having a tubesheet combined heat exchange piece, comprising a tubesheet combined heat exchanger (8), a blower(4), a solution pump (5), a spray shower (6), a solution reservoir (7) and a frame (9); the combined heat exchanger of tube sheet (8) is formed by connecting a plurality of tubesheet combined heat exchange pieces with an inlet header and an outlet header; the tubesheet combined heat exchange piece comprises a heat transfer plate (2) and a coil pipe (1) formed by processing a heat exchange pipe; the heat transfer plate (2) is provided with a mounting groove (21), and the shape of the mounting groove (21) matches the shape of the coil pipe (1); the coil pipe (1) is mounted inside the mounting groove (21), and the gap between the coil pipe (1) and the mounting groove (21) is filled with a heat conductive bonding layer (3), the heat conductive bonding layer (3) enabling full contact between the heat transfer plate (2) and the coil pipe (1), so as to increase an effective heat exchange area of the coil pipe (1); the heat transfer plate (2) can guide a solution to form a continuous flow surface face and increase a solution heat exchange surface area, improving the heat exchange efficiency as well as reducing the cooling tower volume. B: Disclosed is a heat exchange plate of a plate-type condenser. The heat exchange plate is formed by welding edges of two plate bodies, an inlet and an outlet which are connected to an inner cavity of the heat exchange plate are welded to the edges of the plate bodies, and a plurality of baffle lines are arranged on the plate bodies to form a circulating baffle flow channel. Round and oval salient points are arranged in a flow channel area to disturb a flow and enhance heat exchange. The round salient points not only enhance the pressure resistance of the flow channel, but also play a role in disturbing a flow, and the oval salient points improve the dynamic performance of a medium flow channel. The heat exchange plate is manufactured by using two methods, one of which involves firstly carrying out rolling forming and then carrying out resistance welding at the salient points of the plate bodies, and the other of which involves firstly carrying out fixed-point welding on two stacked plate bodies and then carrying out forming by means of blowing. The round and oval salient points of the present invention not only enhance heat exchange, but also increase the mechanical strength of the plate bodies; and the heat exchange plate of the plate-type condenser has a compact structure, is easy to assemble, is resistant to high temperatures and high pressure, has a high heat exchange efficiency, and has a long service life. C: A heat exchanging plate applicable in a plate and shell-type heat exchanger and the plate and shell-type heat exchanger using the heat exchanging plate. The heat exchanging plate is provided with two transverse partitions and, by means of a plate-side flow channel of a plate-side deflector strip (22) on the heat exchanging plate, forms two linked transverse flows or flow areas separated from each other. This heat exchanging plate can be used to construct a single-flow heat exchanger of increased efficiency and a multi-flow plate and shell-type heat exchanger having plate-side connecting pipes arranged on a front-extremity flange cover and a detachable heat-exchanging core. This multi-flow plate and shell-type heat exchanger is convenient to be opened for servicing and mechanical cleaning. D: An air conditioning unit having a tubesheet combined heat-exchanging evaporative condenser (2), comprising a compressor (1), an evaporative condenser (2), a throttling device (3), an evaporator (4) and a fan (5); the evaporative condenser (2) comprises a cooling fan (21), a water distributor (23), a water-collecting reservoir (24) and a tubesheet combined heat exchanger (25); the tubesheet combined heat exchanger (25) is formed by connecting a plurality of tubesheet combined heat-exchanging members via an inlet header and an outlet header; the tubesheet combined heat-exchanging members comprise a heat-transferring plate (27), and a coil pipe (26) formed by machining a heat-exchanging pipe; the heat-transferring plate (27) is provided with a receiving groove (28), and a shape of the receiving groove (28) matches a shape of the coil pipe (26); the coil pipe (26) is placed in the receiving groove (28), and a heat-conducting bonding layer (29) is filled in a gap between the coil pipe (26) and the receiving groove (28); the heat-conducting bonding layer (29) enables a full contact between the heat-transferring plate (27) and the coil pipe (26), thus increasing a heat-exchange area; and the heat-transferring plate (27) can guide cooling water to form a continuous flow surface, thus increasing an evaporation area of the cooling water, improving a heat-exchange efficiency and reducing a volume of the condenser.

C