baber/WOPTO huggingface dataset:
Patent WO-2021035970-A1 (WO)
Inventor: WU LEI
IPC: B05B13/04
Filed: 2019-11-12
Abstract: An automobile body surface spraying device for automobile manufacturing and a using method. The device comprises a base (1). A pair of side supporting frames (2) are symmetrically provided on the upper surface of the base (1). A top cover (3) is provided between the two side supporting frames (2). The top cover (3) is disposed on the side supporting frames (2). A guide rail (4) is provided on the inner side of the top cover (3). A pair of shifting mechanisms are symmetrically provided on the lower part of the guide rail (4). The two shifting mechanisms correspond to the side supporting frames (2) one by one, and each shifting mechanism is disposed on the side supporting frame (2) at the corresponding position. At least one position adjustment mechanism adapted to the guide rail (4) is provided on the guide rail (4). A mechanical arm (6) having a multi-degree-of-freedom structure is provided on the position adjustment mechanism (5). A spraying head (7) adapted to the mechanical arm (6) is provided on the mechanical arm (6). The device has a simple and reasonable structure design and is easy to use, also effectively improves the spraying effect and spraying efficiency of an automobile body surface, and has a high market application value.
Patent WO-2021042550-A1 (WO)
Inventor: ZHANG YU
IPC: G02F1/1337
Filed: 2019-11-13
Abstract: 本发明提供一种显示面板及其制备方法、显示装置，通过在配向层表面设置介孔导向膜，利用所述介孔导向膜上分布均匀的具有相同倾角的介孔，使液晶分子在外加电压的作用下沿所述介孔倾斜，站立于所述介孔的孔道中，以改善显示装置在实现稳定配向时易出现信赖性的问题，降低了制造成本，提高了产品良率，且缩短了制程时间。
Patent WO-2020103939-A1 (WO)
Title: Triazolo cycle compound, preparation method therefor, intermediate thereof and application thereof
Inventor: CHENG JIANJUN
IPC: C07D487/04
Filed: 2019-11-22
Abstract: Disclosed are a triazolo cycle compound, a preparation method therefor, an intermediate thereof and an application thereof. Furthermore, the triazolo cycle compound in the present invention can simultaneously have the antagonistic activity of an A2A adenosine receptor and the inhibitory activity of a histone deacetylase (HDAC), and therefore can be used for treating diseases such as tumor and central nervous system diseases.
Patent WO-2021102920-A1 (WO)
Inventor: HUANG HUA
IPC: G02F1/1347
Filed: 2019-11-29
Abstract: A display device and a manufacturing method therefor. The manufacturing method for a display device comprises: sequentially stacking a first substrate (100), a second substrate (200) and a third substrate (300) to form a liquid crystal display panel and a dimming panel, the liquid crystal display panel comprising the first substrate (100) and the second substrate (200), and the dimming panel comprising the second substrate (200) and the third substrate (300); and forming a first polarizer (600) on the side of the third substrate (300) away from the second substrate (300), the first polarizer (600) comprising a first metal wire gating polarizer (610) and a transparent protective layer located on the side of the first metal wire gating polarizer (610) away from the third substrate (300). As a reflective polarizer, the first metal wire gating polarizer can improve the light transmittance of the dimming panel; the transparent protective layer, as a protective layer of a manufacturing process and a final product, can reduce the thickness of the display device, and can also increase the light utilization efficiency.
Patent WO-2020134961-A1 (WO)
Inventor: LIU YANG
IPC: G06F1/16
Filed: 2019-12-06
Abstract: A mobile terminal and an antenna control method, wherein the mobile terminal comprises a first module (1) and a second module (2), which can be in a folded state or unfolded state; a first antenna radiation branch (4) is arranged on the first module (1), a first feed point (41) and a first ground point (42) are arranged on the first antenna radiation branch (4), and the first antenna radiation branch (4) is electrically connected with a first feed source (7) through an on-off switch (5); a second antenna radiation branch (3) is arranged on the second module (2), a second feed point (31) and a second ground point (32) are arranged on the second antenna radiation branch (3); when the first module (1) and the second module (2) are in the folded state, the on-off switch (5) is in the off state; and when the first module (1) and the second module (2) are in the unfolded state, the on-off switch (5) is in the on state.
Patent WO-2021119878-A1 (WO)
Title: 一种全景天窗总成检测工具
Inventor: XU JUNSHENG
IPC: G01B5/00
Filed: 2019-12-15
Abstract: 一种全景天窗总成检测工具，座架上设置多个分别对应全景天窗总成上安装孔的孔径测量部和多个分别对应全景天窗总成上玻璃弧度和/或导轨弧度和/或框架弧度的轮廓测量部，孔径测量部包括孔径测量基座、耐磨导向套、检测销，孔径测量基座安装于座架上，孔径测量基座上经耐磨导向套支撑全景天窗总成上安装孔位置的下端面，检测销由手柄段、检测段和导向段依次连接而成，导向段导向伸入耐磨导向套，检测段穿接检测安装孔；其能快速、高效、方便、高精度的进行批量检测，制作成本低、便于维护、更换，适应多规格测量要求。
Patent WO-2020147525-A1 (WO)
Title: 吗啉基喹唑啉化合物的制备方法及其中间体
Inventor: XU ZUSHENG
IPC: C07D495/04
Filed: 2019-12-24
Abstract: 本公开涉及一种吗啉基喹唑啉化合物的制备方法及其中间体。所述吗啉基喹唑啉化合物的制备方法包括以下步骤：步骤S1：将化合物S和化合物IV，进行如下式的Suzuki反应，得到化合物V；步骤S2：将甲基磺酰氯和所述化合物V在有机溶剂中进行如下式反应，得到化合物VI；步骤S3：将化合物VII和所述化合物VI在溶剂中，进行如下式的偶联反应，得到化合物YY-20394。该制备方法收率较高，选择性较好，且操作简便，反应条件温和，适合工业化生产。
Patent WO-2021128005-A1 (WO)
Title: Procédé et nœud de réseau pour contrôler un rapport d'un état de zone de rapport de présence
Inventor: XIA LEI
IPC: H04W16/02
Filed: 2019-12-24
Abstract: La présente divulgation concerne un procédé (100) dans un nœud de réseau, pour contrôler un rapport d'un état de zone de rapport de présence, PRA. Le procédé (100) consiste à : recevoir (110), d'un autre nœud de réseau, un message indiquant un état PRA par défaut ; et s'abstenir (120) de rapporter un état PRA initial d'un dispositif terminal à l'autre nœud de réseau lorsque l'état PRA initial est cohérent avec l'état PRA par défaut.
Patent WO-2020151585-A1 (WO)
Inventor: GENG TINGTING
IPC: H04W28/02
Filed: 2020-01-17
Abstract: The present application provides a method and apparatus for data transmission. An access network device receives target data, and selects, according to a selection strategy, a target transmission node device for the target data from among at least two transmission node devices, wherein there is a data channel between each of the at least two transmission node devices and the access network device, so that the access network device can directly send the target data to the data network by means of the selected target transmission node device. Compared with a conventional solution that target data can only be transmitted by using a fixed transmission node device, thereby causing data congestion, in the embodiments of the present application, a transmission node device can be flexibly selected, thereby improving communication efficiency.
Patent WO-2021147114-A1 (WO)
Title: Cross-bandwidth part frequency hopping for random access
Inventor: DAI JING
IPC: H04W74/08
Filed: 2020-01-24
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit an uplink message associated with a random access procedure in a first frequency hop using a first resource block in an initial uplink bandwidth part. The UE may determine a frequency hopping offset based at least in part on a bandwidth part size parameter having a value that is larger than a bandwidth part size of an active uplink bandwidth part configured for the UE. The UE may retransmit the uplink message associated with the random access procedure in a second frequency hop using a second resource block having a starting frequency location that is based at least in part on the frequency hopping offset. Numerous other aspects are provided.
Patent WO-2021155610-A1 (WO)
Inventor: CAI SHIJIE
IPC: H04B7/0452
Filed: 2020-02-07
Abstract: 一种信息传输方法及装置，在该方法中，终端设备生成第一码字，所述第一码字是根据第二码字得到的，所述第二码字包含元素的个数大于所述第一码字包含元素的个数，所述第二码字与下行信道的第一系数集合相关联，所述第一系数集合中包括第一系数矩阵的至少一个行向量或列向量所包括的元素；然后，终端设备向网络设备反馈所述第一码字。终端设备只需要上报第一码字即可实现对第一系数集合中的元素的位置和数值的指示，方式简单，且，该第一码字的码字长度比第二码字的码字长度小，从而，终端设备上报该第一码字所需的比特数一定小于上报该至少一个空频合并系数所占用的比特数，从而可以减小开销。
Patent WO-2021159238-A1 (WO)
Inventor: LIU JING
IPC: H04W36/00
Filed: 2020-02-10
Abstract: 本申请实施例公开了一种数据传输方法，在跨宿主节点的切换过程中，终端可以与源宿主节点和目标宿主节点进行数据传输，并且，终端可以获取指示信息，并根据获取的指示信息对应源宿主节点的配置信息处理上行数据或者下行数据，或者对应目标宿主节点的配置信息处理上行数据或者下行数据。
Patent WO-2021159311-A1 (WO)
Title: Communication method, device, and storage medium
Inventor: WU ZUOMIN
IPC: H04W72/12
Filed: 2020-02-12
Abstract: Provided are a communication method, a device, and a storage medium. The method comprises: a network device instructing a terminal device to feed back a target HARQ-ACK codebook by means of carrying, in DCI, one-shot HARQ-ACK request information for instructing the terminal device to perform uplink feedback; and when a time delay requirement is met, the terminal device sending the target HARQ-ACK codebook to the network device by means of a target uplink channel, or, when the time delay requirement is not met, the terminal device not sending the target uplink channel, or the terminal device sending the target uplink channel to the network device, wherein the target uplink channel does not comprise a valid target HARQ-ACK codebook. By means of the method, the transmission of one-shot HARQ-ACK information can be guaranteed when DCI schedules a PDSCH or does not schedule the PDSCH.
Patent WO-2020164523-A1 (WO)
Title: 一种无线回传链路的控制方法及装置
Inventor: ZHU YUANPING
IPC: H04W76/10
Filed: 2020-02-12
Abstract: 本申请实施例提供一种无线回传链路的控制方法及装置，涉及通信技术领域，用以提高终端的数据在无线回传链路中传输的QoS要求。该方法包括：第一设备确定管理第一回传节点与第二设备之间的无线回传链路中的第一无线链路控制RLC承载，第二设备为第一回传节点的父节点，其中，第一设备为宿主基站的集中式单元CU，第二设备为宿主基站的分布式单元DU；或者，第二设备为第二回传节点，第一设备为宿主基站；或者，第一设备为宿主基站的CU，第二设备为第二回传节点；第一设备向第一回传节点发送回传类型指示以及第一RLC承载的管理信息，回传类型指示用于指示第一RLC承载被用于传输终端的数据。
Patent WO-2021159334-A1 (WO)
Title: Balance spring assembly for disconnector
Inventor: YAN JIAQUAN
IPC: H01H71/10
Filed: 2020-02-12
Abstract: A balance spring assembly for a disconnector(200). The balance spring assembly comprises a push rod (101)partially and coaxially arranged in a blade (201)of the disconnector(200) which is rotatable about a first shaft(103) to change an operation status of the disconnector(200), a first end of the push rod(101) fixed to a second shaft(202) so that the push rod (101)is rotatable about the second shaft(202); and a spring(102) arranged in the blade (201)and around the push rod(101), the spring(102) held between a second end of the push rod(101)and an end of the blade (201)adjacent to the first shaft(103), wherein the second shaft(202) is arranged parallel to the first shaft (103)to enable the push rod(101)to axially move in the blade(201) with a rotation of the blade(201) to thereby compress or decompress the spring(102). By arranging the balance spring assembly at least in part in the blade(201) of the disconnector(200), only one set of the spring(102) is needed. Furthermore, extra components such as the protective tube, the auxiliary spring and some connection elements are no longer needed. In this way, the manufacturing and assembling costs are significantly reduced. Furthermore, with this arrangement, the spring(102) can fully work during the whole process when the blade(201) is rotated from the open position to the close position.
Patent WO-2021088274-A1 (WO)
Inventor: LI YANXIONG
IPC: C07D217/02
Filed: 2020-02-24
Abstract: 本发明公开了一种(S)1-苯基-1,2,3,4-四氢异喹啉的合成方法，包括如下步骤：1)将原料1以溶剂溶解，加入碱和催化剂；2)采用氢气进行气体置换形成氢气氛围，进行加压反应，得(S)1-苯基-1,2,3,4-四氢异喹啉2；其中，所述催化剂为BIAMH体系催化剂、D-BIMAH体系催化剂或P-BIMAH体系催化剂。
Patent WO-2021036213-A1 (WO)
Title: 界面的显示方法、装置、电子设备及存储介质
Inventor: REN WENKAI
IPC: G06F3/048
Filed: 2020-02-25
Abstract: 本申请实施例涉及互联网技术领域，公开了一种界面的显示方法、装置、电子设备及存储介质。本申请实施例中的界面包括菜单区域，窗口区域及标签区域；界面的显示方法包括：响应于对所述菜单区域中目标菜单的选中操作(101)，若所述窗口区域当前显示有页面，关闭所述窗口区域中当前显示的页面(103)，并在所述窗口区域显示目标菜单对应的页面(104)，同时生成所述目标菜单对应的标签，并将所述标签显示在所述标签区域(105)；检测到对所述标签区域中显示的任一标签的选中操作时，在所述窗口区域显示与被选中的所述标签对应的页面(106)。
Patent WO-2021195866-A1 (WO)
Title: 透光性人造革及其制备方法、复合革、汽车内饰
Inventor: CHENG HAO
IPC: B32B7/023
Filed: 2020-03-30
Abstract: 一种透光性人造革及其制备方法、复合革、汽车内饰。透光性人造革包括表面处理剂层以及层叠设置的多层聚合物材料层，多层聚合物材料层至少包括表皮层，表皮层为带颜色层，表面处理剂层贴覆于表皮层，透光性人造革还包括遮光层，遮光层上设置有镂空或透光结构，遮光层设置在相邻的两层聚合物材料层之间。透光性人造革直接在聚合物材料层之间设置遮光层，并在遮光层上设置镂空结构，这样在镂空结构处设置光源即可在透光性人造革表面呈现出镂空结构形成的图案，如此，无需设置特定造型的光源即可得到想要呈现的图案，即使在复合革结构中也能够获得非常清晰的图案。
Patent WO-2021139009-A1 (WO)
Inventor: GAO XIN
IPC: G06Q10/06
Filed: 2020-03-31
Abstract: La présente invention concerne un procédé et un appareil de quantification de maturité de banc d'essai, ainsi qu'un dispositif informatique et un support de stockage. Le procédé est appliqué à un modèle de quantification de maturité technique d'un banc d'essai du type plate-forme, le modèle comprenant une pluralité d'indices de quantification primaires et une pluralité d'indices de quantification secondaires. Le procédé comprend les étapes suivantes : un dispositif informatique détermine la classe de chaque indice de quantification secondaire selon une règle de classement des indices de quantification secondaires; détermine une valeur de quantification de chaque indice de quantification primaire en fonction de la classe de chaque indice de quantification secondaire et d'un poids correspondant à celui-ci; et détermine en outre une valeur de quantification de la maturité technique d'un banc d'essai du type plate-forme en fonction de la valeur de quantification de chaque indice de quantification primaire et d'un poids correspondant à celui-ci. Selon le procédé, sur la base d'un modèle de quantification de maturité technique d'un banc d'essai du type plate-forme, chaque indice de quantification secondaire est soumis à un classement unifié pour former une règle de quantification d'une norme unifiée, et l'architecture à quatre couches du modèle couvre de multiples capacités, de telle sorte qu'un résultat de quantification de la maturité technique d'un banc d'essai est plus complet, précis et fiable.
Patent WO-2021164111-A1 (WO)
Title: Display panel, display device, and driving method therefor
Inventor: LI XIAN
IPC: G09G3/3208
Filed: 2020-04-07
Abstract: Disclosed are a display panel (1), a display device (2), and a driving method therefor. A light reflecting layer (122) is provided below a light emitting layer (121) of the display panel (1). When the display panel (1) is in strong light, the light emitting layer (121) does not work, and the light reflecting layer (122) reflects natural light to achieve full-color display; and when the display panel (1) is in weak light or in the dark, the light emitting layer (121) works, and at the same time, the light reflecting layer (122) reflects the light emitted by the light emitting layer (121), so as to reduce the working intensity of the light emitting layer (121) to achieve full-color display, thereby prolonging the service life of an OLED and improving the visual effect of the OLED.
Patent WO-2021120471-A1 (WO)
Title: 一种用于神经损伤修复的组织工程材料及其制备方法与应用
Inventor: DAI JIANWU
IPC: A61L27/50
Filed: 2020-04-21
Abstract: 一种用于神经损伤修复的组织工程材料及其制备方法与应用。该神经损伤修复的组织工程材料为交联神经钙粘素的线性有序胶原支架。通过将神经钙粘素交联于线性有序胶原支架，所制备的组织工程材料能够高效诱导神经干细胞向损伤区的迁移，在损伤区富集神经干细胞，并有效抑制硫酸软骨素蛋白多糖等抑制因子的沉积，促进神经干细胞向神经元的分化，进而促进电生理和运动功能的恢复。神经钙粘素交联的线性有序胶原支架还具有稳定有序的拓扑结构和优异的力学性质，可用于脊髓损伤等神经损伤的修复。
Patent WO-2021217617-A1 (WO)
Title: 负极活性材料、其制备方法、二次电池及包含二次电池的装置
Inventor: KANG MENG
IPC: C01B32/205
Filed: 2020-04-30
Abstract: 本申请公开了一种负极活性材料、其制备方法、二次电池及包含二次电池的装置。所述负极活性材料包括核和覆盖在所述核表面的包覆层，所述核包括人造石墨，所述包覆层包括无定形碳，所述负极活性材料的粒度一致性(Uniformity)为0.25～0.45。
Patent WO-2020224652-A1 (WO)
Title: Ubiquitin-specific protease inhibitors, and preparation method therefor and application thereof
Inventor: PENG JIN
IPC: A61P17/06
Filed: 2020-05-08
Abstract: The present invention relates to a compound represented by formula I and a racemate, a stereoisomer, a tautomer, an isotopic marker, nitrogen oxide, a solvate, a polymorph, a metabolite, an ester, a pharmaceutically acceptable salt or a prodrug thereof, a pharmaceutical composition comprising same, a preparation method therefor, and a pharmaceutical use thereof. The compound has the activity of inhibiting USP28 and/or USP25. The structure of the formula I is as follows.
Patent WO-2020233566-A1 (WO)
Title: 对象跳跃控制方法、装置、计算机设备及存储介质
Inventor: LI HAITAO
IPC: A63F13/55
Filed: 2020-05-19
Abstract: 一种对象跳跃控制方法、装置、计算机设备及存储介质，属于网络技术领域。该方法包括：在虚拟场景中第一虚拟对象向目的地移动过程中，当所述第一虚拟对象的当前位置满足跳跃条件时，根据所述目的地的位置，确定所述第一虚拟对象的目标落地点；根据所述当前位置和所述目标落地点，确定所述第一虚拟对象从所述当前位置跳跃至所述目标落地点的跳跃轨迹；及根据所述跳跃轨迹，控制所述第一虚拟对象从所述当前位置向所述目标落地点跳跃。
Patent WO-2021109495-A1 (WO)
Inventor: LI GUIXI
IPC: G06F16/23
Filed: 2020-05-27
Abstract: 一种冰箱保鲜模型数据更新方法、设备及存储介质，所述方法包括：S1、收集若干用户的冰箱信息，每一用户的冰箱信息包括：冰箱内的每一存储物品对应的物品标识，以及应用频次；S2、统计冰箱信息，以获取每一食材标识对应的应用频次的均值和方差；S3、根据获得的均值和方差筛选冰箱信息。该方案采用均值和方差相互配合的方式对上传的数据自动进行寻优筛选，进而以对上传的数据进行过滤，减轻服务器压力的同时，保持计算精度。
Patent WO-2020248825-A1 (WO)
Inventor: FAN BO
IPC: H04B17/309
Filed: 2020-05-28
Abstract: Provided are a method and apparatus for determining the state of an antenna panel. A terminal receives configuration information, comprising at least one downlink signal resource set, and uses, insofar as the terminal determines that a first antenna panel corresponding to a first downlink signal resource set is opened, the first antenna panel to measure the quality of resources in the first downlink signal resource set, and sends first feedback information, wherein the first feedback information can indicate the quality of the resources in the first downlink signal resource set; and insofar as the first antenna panel is closed, the terminal does not measure the quality of the resources in the first downlink signal resource set, and sends second feedback information, wherein the second feedback information is used for indicating that the first antenna panel is closed. Therefore, a network device in the embodiments of the present application can learn of the state of an antenna panel, and can rationally schedule the antenna panel, thereby improving the data transmission efficiency.
Patent WO-2021223295-A1 (WO)
Title: Display module and driving method therefor, and display device
Inventor: JIN ZENGJIAN
IPC: G09G3/20
Filed: 2020-06-22
Abstract: A display module, a driving method therefor, and a display device. The display module comprises: a display panel (100), comprising at least two display areas; a detection module, used for detecting a folded state of the display panel (100); a driving chip module, comprising driving chips (DIC1 and DIC2) having one-to-one correspondence to the display areas and driving same to display; a gating module, used for controlling connection or disconnection of a circuit where the gating module is located; and a control platform (200), used for outputting a control instruction. The problem of excessive power consumption of existing foldable display devices is eased.
Patent WO-2021004322-A1 (WO)
Title: Head special effect processing method and apparatus, and storage medium
Inventor: DENG HAN
IPC: G06K9/00
Filed: 2020-06-29
Abstract: The present disclosure provides a head special effect processing method and apparatus, and a storage medium. The method comprises: obtaining an initial image; then recognizing a face image comprised in the initial image; accordingly obtaining an expanded image of an area where the face image is located from the initial image as a head area image; further processing the head area image by using a trained head recognition model to obtain a head image; then performing special effect processing on the head image to obtain a head special effect image; and displaying the head special effect image on the current display interface. According to the method of the present disclosure, the recognition accuracy for the head in a human image is improved, and the scenario in which a visual special effect is applied to the head is expanded.
Patent WO-2021208262-A1 (WO)
Title: Dried blood spot quantitative acquisition device and method
Inventor: Hang hong
IPC: B01L3/00
Filed: 2020-07-02
Abstract: A dried blood spot quantitative acquisition device, comprising: a sample collection tube (1), a sample collection filter paper (3) and a quantitative blood sampling tube (2); the sample collection tube (1) comprises a tube body (1a) and a tube cover (1b); the tube body (1a) is a straight tube, and the tube cover (1b) is used for closing a tube opening (1a2); the quantitative blood sampling tube (2) comprises a quantitative capillary tube (2b) and a fixing member (2a); the quantitative capillary tube (2b) is fixed to the fixing member (2a), and the quantitative capillary tube (2b) is provided with a blood sampling end (2b1) used for blood sampling and exposed outside the fixing member (2a); the fixing member (2a) is snap fitted to the tube opening (1a2), and the quantitative capillary tube (2b) extends into the tube body (1a); the sample collection filter paper (3) is provided within the tube body (1a), and the blood sampling end (2b1) abuts against the sample collection filter paper (3). In addition, a method for acquiring a dried blood spot is provided. An integrated blood sampling device design is adopted, achieving acquisition, drying, transportation, storage and extraction of a sample in the same device, avoiding sample pollution, and improving the accuracy of the quantitative detection result of the dried blood spot.
Patent WO-2021036501-A1 (WO)
Inventor: ZHENG YAO
IPC: G01M10/00
Filed: 2020-07-02
Abstract: A tracer particle spreading device for a flat-plate boundary layer flow visualization experiment, relating to the field of boundary layer near-wall region flow measurement. The device comprises a tracer particle generator (1), an e-liquid storage box (7), and a wall surface particle spreading box (9); e-liquid is pressurized by a micro pump (3) in the tracer particle generator (1) and flows into a heating pipe (4) to be heated and gasified, and then is ejected from a nozzle (5) to form tracer particles; the tracer particles enter the e-liquid storage box 7 by means of an e-liquid guide pipe 6; an axial flow fan (8) is mounted on a wall surface of the e-liquid storage box (7) to adjust the flow speed of the particles in the box; the particles enter a cavity (10) of the wall surface particle spreading box (9) by means of the e-liquid guide pipe (6); the particles are rectified by a rectifying plate (11) and ejected from a spreading slit (13) provided on a thin-walled cover plate (12); an outlet of the slit (13) and an experiment flat plate form an included angle of 15°; at a common experimental wind speed of 15-30 m/s, the tracer particles may be uniformly spread in a near-wall region of a flat-plate boundary layer. The device has a simple structure, solves the problem that spread tracer particles cannot enter the interior of a flat-plate boundary layer from an inlet of a wind tunnel experiment section, and provides a good technical support for carrying out the flat-plate boundary layer flow visualization experiment and mechanism research.
Patent WO-2021036506-A1 (WO)
Title: Tool cabinet for limiting number of opened drawers by means of rope
Inventor: YANG HELI
IPC: B25H3/02
Filed: 2020-07-04
Abstract: Disclosed is a tool cabinet for limiting the number of opened drawers by means of a rope. The tool cabinet comprises a cabinet body (1) and several drawers (2), wherein a movable pulley (3) is arranged at the rear end of each of the drawers (2), several fixed pulleys (5) are arranged at corresponding positions on a rear side plate (4) of the cabinet body (1), and a connecting rope (6) is wound between the movable pulleys (3) and the fixed pulleys (5). The connecting rope (6) is S-shaped and successively wound around the movable pulleys (3) and the fixed pulleys (5), wherein one end of the connecting rope (6) is reeled by means of a reel (7), and the reel (7) is fixedly connected to a lock cylinder of a drawer lock (8) and rotates along with the lock cylinder; and the other end of the connecting rope (6) is reeled by means of an automatic reeling mechanism (10), and the redundant connecting rope (6) released by the reel (7) is reeled by means of the automatic reeling mechanism (10), thereby preventing looseness of the connecting rope (6). In the tool cabinet, the number of opened drawers of the tool cabinet can be limited, such that the phenomenon of a tool cabinet toppling over due to a worker negligently opening too many drawers is prevented, thereby ensuring the safety of workers.