Please select the most similar patent number from A, B, C and D. Which number is?
A portable nebulizer capable of automatically adjusting the nebulization rate according to pulmonary ventilation volume, comprising a housing (1), a medicine liquid box (2), a nozzle (3), a battery (4) provided in the housing (1), a circuit board (5) provided in the housing (1), a nebulizing plate (6) provided between the medicine liquid box (2) and the nozzle (3), a nebulization driving circuit separately connected to the nebulizing plate (6) and the circuit board (5) and provided between the liquid medicine box (2) and the housing (1). The circuit board (5) comprises a main control module connected to the nebulization driving circuit, a pulmonary ventilation detection module connected to the main control module, and a digital display module and a power supply module connected to the main control module; the pulmonary ventilation detection module comprises a signal amplification circuit connected to the main control module, and an internal resistance strain sensor (8) connected to the signal amplification circuit; the nozzle (3) is provided with a blowing channel (7) which is separated from the nozzle (3) and extends from outside to inside; the blowing channel (7) is communicated with the interior of the housing (1), and gas enters into the interior of the housing (1) from the blowing channel (7) to be in contact with the internal resistance strain sensor (8). The nebulizer is convenient to use and environment-friendly.
A: Disclosed is an atomizer drug delivery nozzle, and an intelligently self-adjustable atomizer drug delivery apparatus and a method for using same, characterized in that: a nozzle body (2) is provided with an exhalation detection valve (3) unidirectionally opening toward the outside of a nozzle and an inhalation detection valve (4) unidirectionally opening toward the inside of the nozzle, wherein bodies (3.2, 4.2) of the two valves (3, 4) are respectively provided with a first magnet (3.3) and a second magnet (4.3); a tube wall of the part of the nozzle body (2) that is close to the first magnet (3.3) is provided with a first sensor (3.1), and a tube wall of the part of the nozzle body (2) that is close to the second magnet (4.3) is provided with a second sensor (4.1); the first sensor (3.1) and the second sensor (4.1) are respectively connected to an atomizer control system; and the atomizer control system comprises an intelligent module for detecting a valve state during exhalation and inhalation, and controls a working state of the atomizer according to a received valve opening state detection signal sent by the first sensor (3.1) and the second sensor (4.1). By precisely sensing a patient&#39;s breathing action in real time, the atomizer nozzle can realize intelligent self-adjustment, so that the atomizer can be used once opened, has a simplified structure, decreased production costs and a reduced electricity consumption.
B: An atomization device, comprising: a main housing (1) comprising a connection portion (14), a connection channel being formed in the connection portion (14); an atomizer (2) comprising an atomizer base (21), an atomizer arm (22), and an atomization core assembly provided in the atomizer base (21), the atomization core assembly comprising an atomization cup (23), a heating portion (24) and a thermal insulation portion, the atomizer arm (22) being connected to the atomizer base (21) and the connection portion (14), the heating portion (24) being provided at the bottom of the atomization cup (23) to heat the atomization cup (23), and the thermal insulation portion being used for thermally insulating heat generated by the heating portion (24); a hookah mouthpiece mechanism (3) detachably connected to the main housing (1), and comprising a glass mouthpiece (31) for a user to puff on same, the mouthpiece (31) being in communication with the atomization cup (23) by means of the connection channel; a control mechanism, accommodated in the main housing (1), and comprising a main control circuit board (51) electrically connected to the heating portion (24); and a battery (4), accommodated in the main housing (1), and electrically connected to the main control circuit board (51), so as to supply power to the atomizer (2).
C: An atomization device (10). The atomization device (10) comprises: a main housing (1), comprising an upper connecting base (14) and a lower connecting base (15), wherein the lower connecting base (15) is disposed on the side of the main housing (1) that faces away from the upper connecting base (14); an atomizer (2), comprising an atomizer housing (21) and an atomization core assembly disposed inside the atomizer housing (21), wherein the atomization core assembly comprises an atomization cup (22), a heating portion (23) and a thermal insulation portion, the atomizer housing (21) is connected to the upper connecting base (14), the heating portion (23) is disposed at the bottom of the atomization cup (22) and heats the atomization cup (22), and the thermal insulation portion is used for thermally isolating heat generated by the heating portion; a mouthpiece mechanism (3), which is detachably connected to the atomizer housing (21) and comprises a mouthpiece (31) which a user uses to vape, wherein the mouthpiece (31) is in communication with the atomization cup (22); an electrical control mechanism, which is accommodated in the main housing (1) and comprises a main control circuit board electrically connected to the heating portion (23); a battery (4), which is accommodated in the main housing (1), is electrically connected to the main control circuit board and is used for supplying power to the atomizer (2); and a hookah adapting mechanism (6), which is disposed inside the main housing (1), is connected to the lower connecting base (15) and comprises a vapor-passing pipe (61), wherein the vapor-passing pipe (61) is in communication with a hookah vapor output pipe and the atomizer (2).
D: An ultrasonic electronic cigarette atomizer, comprising: a housing (01); a sealing cover (02); a base (03) provided below the sealing cover (02); a straight-through tube (05) which is provided on the housing (01), has a mouthpiece (04) at an end portion thereof and is in communication with the inside of the housing (01); an outer connecting ring (06) provided at a position corresponding to the straight-through tube (05) and extending towards the inside of the housing (01); an inner connecting ring (07) which is provided inside the straight-through tube (05), is spaced from the straight-through tube (05) by a certain distance and is connected to the mouthpiece (04); an outer horn hood (08) which is provided inside the housing (01), is connected to the outer connecting ring (06) and has an end portion extending out of the sealing cover (02) and is connected to the base (03); a mating tube (09) which is provided inside the straight-through tube (05), is connected to the inner connecting ring (07) and extends to the interior of the housing (01) and is spaced from the outer horn hood (08) by a certain distance; an inner horn hood (10) connected to an end portion of the mating tube (09) and spaced from the outer horn hood (08) by a certain distance; and an atomization mechanism (11) provided inside the base (03) and connected to the end portions of the outer horn hood (08) and the inner horn hood (10). The electronic cigarette atomizer has the usage effects of facilitating disassembly and replacement and avoiding mixing of odors of e-liquids.
Answer: A