baber/WOPTO huggingface dataset:
Patent WO-2020249036-A1 (WO)
Inventor: ZHOU HONGYU
IPC: G06F16/21
Filed: 2020-06-11
Abstract: Disclosed are a method and apparatus for managing an image repository, and an electronic device and a readable storage medium. The method for managing an image repository comprises: receiving one or more uploaded image layers (S101); in a first storage manner, storing the uploaded image layers in an image repository (S102); determining an image layer to be cleared in one or more original image layers stored in the image repository in a second storage manner, wherein the first storage manner is different from the second storage manner (S103); and clearing the image layer to be cleared (S104). In the method, a newly uploaded image layer and an original image layer are stored in an image repository in a first storage manner and in a second storage manner respectively, so as to separate image layers in an image uploading operation from image layers in a trash clearing operation, such that it is possible to execute trash clearing at the same time as an image uploading operation, and thereby the occurrence of a concurrency problem is prevented, and a trash clearing problem of the image repository is solved without introducing other databases or middleware.
Patent WO-2020253762-A1 (WO)
Inventor: FAN XING
IPC: C07D401/14
Filed: 2020-06-18
Abstract: An indazole derivative, a preparation method therefor, and a pharmaceutical application thereof. In particular, the present invention relates to an indazole derivative represented by general formula (I), a preparation method therefor, a pharmaceutical composition comprising the derivative, and a use of the derivative as an estrogen receptor modulator in the prevention and/or treatment of an estrogen receptor mediated or dependent disease or condition, the disease being particularly preferably breast cancer. The definition of each substituent in the general formula (I) is the same as that in the description.
Patent WO-2020259429-A1 (WO)
Inventor: WANG YU-JING
IPC: G06F16/957
Filed: 2020-06-22
Abstract: An information processing method, an information display method, and an apparatus, the image processing method comprising: acquiring specification information of a target object (101); according to the specification information, generating an object diagram of the target object (102); determining a target reference object diagram corresponding to the target object (103); and on the basis of the object diagram and the target reference object diagram, generating a target image of the target object (104). The described method achieves the goal of perceiving the actual specification of an object, and increases the effectiveness of information transfer.
Patent WO-2021258273-A1 (WO)
Inventor: LU JIAN
IPC: B23Q17/24
Filed: 2020-06-23
Abstract: A processing method based on three-dimensional imaging. The method comprises the steps of: acquiring a first image (1210) and a second image (1220) which are collected within a preset time, wherein the first image (1210) and the second image (1220) comprise two-dimensional pattern information (1100) of projected light, and a pixel maximum value region of the two-dimensional pattern information (1100) in the first image (1210) and that of the second image (1220) do not overlap with each other; determining a first feature image (1310) and a second feature image (1320) according to difference values between pixel values of pixel points of the first image (1210) and pixel values of corresponding pixel points of the second image (1220), and determining a three-dimensional image (1400); obtaining an allowance to be processed according to the three-dimensional image (1400) and preset three-dimensional information; and determining a processing path of a processing tool bit (442) according to coordinate information of a collection region (10) and that of the processing tool bit (442) and the allowance to be processed.
Patent WO-2022006964-A1 (WO)
Inventor: YAN XUDONG
IPC: H04R9/06
Filed: 2020-07-16
Abstract: 本实用新型提供一种扬声器，包括具有收容腔的盆架以及收容于收容腔内的磁路系统和振动系统，振动系统包括固定于盆架的振膜以及位于振膜下方的骨架与音圈，骨架包括与振膜连接的环形支撑部以及若干自环形支撑部向音圈一侧延伸的弯折部，弯折部朝向音圈一端凹设有用于填充粘性液体且与音圈的外壁相连通的凹腔，音圈通过粘性液体固定于弯折部上。本实用新型在骨架的弯折部朝向音圈一端设置凹腔以作胶水槽使用，当弯折部抵接于音圈外壁时，该凹腔与音圈的外壁相连通，可将粘性液体注入于凹腔内，增大音圈侧面与骨架间的打胶面积，以提升音圈与骨架的结合力。
Patent WO-2022016394-A1 (WO)
Inventor: HONG WEI
IPC: H04W72/08
Filed: 2020-07-21
Abstract: Les modes de réalisation de la présente divulgation concernent un procédé et un appareil de transmission d'informations, un dispositif de communication et un support de stockage. Un premier nœud de communication envoie à un second nœud de communication une requête de transfert intercellulaire qui indique un transfert intercellulaire d'un premier faisceau à un second faisceau, le premier faisceau étant différent du second faisceau.
Patent WO-2021128835-A1 (WO)
Inventor: LI BENCHAO
IPC: G06T5/00
Filed: 2020-07-28
Abstract: The embodiment of the present application provides an image processing method and device, a video processing method and device, an electronic apparatus and a storage medium, the image processing method comprises: acquiring an image to be processed; performing fuzzy processing on the original image of the designated channel in each channel of the image to be processed to obtain a first fuzzy image; performing high-contrast retention processing on the original image and the first fuzzy image of the designated channel to obtain a high-contrast retained image; for each channel, obtaining a second fuzzy image corresponding to the channel based on the original image and the high-contrast retained image of the channel; obtaining the processed image corresponding to the image to be processed based on the second fuzzy image and the high-contrast retained image of each channel.
Patent WO-2021031856-A1 (WO)
Inventor: ZHEN JIAHAO
IPC: G06K7/10
Filed: 2020-08-05
Abstract: 本申请提供了基于NFC的通信方法及装置。在该方法中，电子设备工作于卡仿真模式，在因为电子设备收发射频信号的性能较差而导致NFC通信过程执行失败的情况下，电子设备可以调整当前使用的射频参数，并使用调整后的射频参数重新执行和读卡器之间的NFC通信过程。这样可以调整电子设备收发射频信号的性能，从而提升刷卡成功率。
Patent WO-2021027793-A1 (WO)
Title: 信息显示交互方法及装置、计算机设备及介质
Inventor: FENG PENGPENG
IPC: G06F3/0488
Filed: 2020-08-11
Abstract: 一种信息显示交互方法及装置、计算机设备及介质，该方法包括：具有多个交互区的触控屏上显示画面，该画面包括多个标识，该多个标识中的每个标识在触控屏上的显示位置随时间而变化（S101），以形成所述标识的显示轨迹，所述标识的显示轨迹分布于所述多个交互区；当一个标识的显示位置落入上述多个交互区中的任一交互区时，响应于针对该标识的触控操作，在触控屏上呈现该标识的展示信息（S102）。
Patent WO-2022032530-A1 (WO)
Title: Handling of csi-rs measurement
Inventor: DU LEI
IPC: H04W56/00
Filed: 2020-08-12
Abstract: Embodiments of the present disclosure relate to a method, device and computer readable storage medium of communication. The method implemented at a first device comprises determining, at the first device, first timing of a channel state information reference signal from a target cell. The first device is configured by a second device to measure the channel state information reference signal. The method comprises determining second timing used by the first device to measure the channel state information reference signal. The method further comprises determining a timing difference between the second timing and the first timing. The method further comprises transmitting, to the second device and based on the timing difference, information concerning measurement of the channel state information reference signal.
Patent WO-2021212724-A1 (WO)
Inventor: SHENG WANXING
IPC: G06F30/20
Filed: 2020-09-07
Abstract: A decomposition method and device for a real-time simulation model of an active power distribution network. The method comprises: determining the number of networks to be obtained by pre-decomposition and pre-decomposition nodes on the basis of the number of real-time simulators and the number of switch devices in a real-time simulation model of an active power distribution network (S101); on the basis the number of networks to be obtained by pre-decomposition and the pre-decomposition nodes, pre-decomposing the real-time simulation model of an active power distribution network to obtain multiple sub-networks, and installing interfaces at the pre-decomposition nodes (S102); and allocating the sub-networks to the real-time simulators by means of the interfaces, and adjusting nodes in the sub-networks on the basis of the average resource utilization of all real-time simulators (S103).
Patent WO-2021057576-A1 (WO)
Title: Method for constructing cloud network alarm root cause relational tree model, device, and storage medium
Inventor: JIANG LEI
IPC: G06K9/62
Filed: 2020-09-16
Abstract: A method for constructing a cloud network alarm root cause relational tree model, a device, and a storage medium. The method comprises: mining, according to a frequent itemset, first alarm data of a traditional network to obtain a first alarm tree model, and performing, by using a traditional expert knowledge database as a label, feature extraction on the first alarm tree model to obtain a first feature parameter; customizing, according to a pre-determined classification rule, classification types, and determining, by means of machine learning, a classification weight value corresponding to each of the classification types in the first alarm tree model; and mining, according to the frequent itemset, second alarm data of a network awaiting model-building, and performing, by using machine learning and the classification weight value, model-building on the second alarm data to obtain a second alarm tree model, the second alarm data being root-cause relation data.
Patent WO-2022036797-A1 (WO)
Inventor: ZHANG CHUNHUI
IPC: B23F9/02
Filed: 2020-09-17
Abstract: 一种数控机床，包括：床身（100），床身（100）开设有凹槽；立柱（200），架设于凹槽上方，立柱（200）上设置有X轴驱动轴（201）；回转箱（700），设置有平行于Y轴的回转轴；工件箱体（300），安装于回转轴上；滑台（500），安装于X轴驱动轴（201）上，滑台（500）设置有竖直的Z轴驱动轴（501）；刀具箱体（400），安装于Z轴驱动轴（501）上。采用上述结构设置的数控机床，通过让位口（101）的设置可以将工件箱体（300）靠近床身（100）移动，从而将传统的位于内侧的加工点移动至工件的外侧（即工件远离床身的一端），进而可以减小回转轴的长度，提高工件箱体（300）的稳定性。并且由于工件箱体（300）与回转箱（700）之间的距离得以减小，因此传统结构中的静压轴承可以取消设置，而预留出光栅检测装置的安装位置，进而提高控制的精确度，提高加工质量。
Patent WO-2021169267-A1 (WO)
Inventor: LI QINGPENG
IPC: G06F9/451
Filed: 2020-09-24
Abstract: A text processing method and apparatus, a device, and a computer-readable storage medium. The method comprises: receiving a text processing request sent by a terminal device, and acquiring a font file corresponding to a font identifier in the text processing request (S101); acquiring target text from the text processing request, and acquiring, from the font file, a font character set corresponding to the target text, wherein the target text is text awaiting a font update (S102); updating, according to the font character set, fonts of respective characters in the target text, and sending the updated target text to the terminal device (S103). The method effectively reduces the time consumed by a terminal device when loading font files, thus enabling a quick update of text fonts, and improving user experience.
Patent WO-2021120817-A1 (WO)
Title: 一种基于节点控制的地铁车站客流管控方法及装置
Inventor: XIAO XIONG
IPC: G06Q10/04
Filed: 2020-10-16
Abstract: 本申请实施例公开了一种基于节点控制的地铁车站客流管控方法及装置。本申请实施例提供的技术方案通过构建车站客流节点网络，并根据各客流节点的实际流速和最大流速的比值确定各客流节点的调节阈值，并根据调节阈值所对应的阈值范围判断对应客流节点的拥挤程度，并通过改变对应客流节点在车站客流节点网络中的显示形式来进行体现，方便地铁车站管控人员根据车站客流节点网络上各客流节点的显示形式来确定对客流节点的管控措施，为地铁车站的管控措施提供参考，提高客流管控效率及管控效果。
Patent WO-2022087774-A1 (WO)
Title: Extendable large-scale mems microphone array
Inventor: YANG HENGXU
IPC: H04R19/04
Filed: 2020-10-26
Abstract: Disclosed is an extendable large-scale MEMS microphone array, comprising an upper computer and at least one array sub-system which are connected in the same local area network. The array sub-system comprises a group of array plates and a control board, wherein each array plate comprises a rectangular array composed of m*n array elements, each array element corresponds to a digital MEMS microphone with a TDM interface, m digital MEMS microphones are connected to a TDM bus, and the array elements on the array plates are connected to the control board by means of n TDM buses; and the control board is connected to the upper computer by means of a network device, so as to collect and process an audio signal. Each array sub-system realizes time synchronization by means of a network. The system complexity and cost are reduced by means of digital MEMS microphones with TDM interfaces; the extendable large-scale MEMS microphone array is suitable for a large-scale array design, and the design can be expanded, so as to facilitate the combination of a larger-scale array system; and a clock synchronization function is achieved, and the overall accuracy of the system is guaranteed.
Patent WO-2021083134-A1 (WO)
Inventor: TAN XIN
IPC: G06F3/0481
Filed: 2020-10-27
Abstract: Disclosed in embodiments of the present disclosure are a file selection method and an electronic device, related to the technical field of communications, so as to solve the problem of an operation process for a user selecting a file or deselecting of a file being cumbersome. The method comprises: receiving a first input of a user; in response to the first input, performing scrolling display of multiple files, and tagging a first file of the multiple files which satisfies a first pre-determined condition to be a first status; the first status being a selected status or a non-selected status. The present method may be used in a situation of selecting multiple consecutive files on an electronic device.
Patent WO-2022088093-A1 (WO)
Title: 发光二极管基板及其制作方法、显示装置
Inventor: LI HAIXU
IPC: H01L33/00
Filed: 2020-10-30
Abstract: 一种发光二极管基板及其制作方法和显示装置。该发光二极管基板的制作方法包括：在衬底上形成M个发光二极管芯片的外延层组；将N个衬底上的N个外延层组转移到中载基板上，N个衬底上的N个外延层组密集排列在中载基板上；以及将中载基板上的N个外延层组对应的N*M个发光二极管芯片中至少部分发光二极管芯片转移到驱动基板上。中载基板的面积大于等于N个衬底的面积之和，M为大于等于2的正整数，N为大于等于2的正整数。由此，该发光二极管基板的制作方法可大大提高取用效率和转移效率。
Patent WO-2021129153-A1 (WO)
Title: 电子血压计的气囊及电子血压计
Inventor: FU XIAOYU
IPC: A61B5/021
Filed: 2020-10-31
Abstract: 一种电子血压计的气囊（34），气囊（34）包括外壁与至少一个连接壁（391，392，393，394）；外壁包括第一壁（37）、周侧壁和第二壁（40）；第一壁（37）与第二壁（40）相对设置；周侧壁,连接第一壁（37）的周缘与第二壁（40）的周缘，第一壁（37）、周侧壁及第二壁（40）围成气腔（S）；至少一个连接壁（391，392，393，394）位于气腔（S）内，每个连接壁（391，392，393，394）均连接周侧壁、第一壁（37）及第二壁（40）中的至少两个，每个连接壁（391，392，393，394）在气囊（34）处于膨胀状态时张紧。还提供了一种包括该气囊（34）的电子血压计，该电子血压计的气囊（34）能够提升血压测量精度。
Patent WO-2022099839-A1 (WO)
Inventor: ZHU ZHENLEI
IPC: A45F4/00
Filed: 2020-12-11
Abstract: 涉及户外背包领域，且公开了一种具有制冷功能的户外背包，包括背包主体(1)，所述背包主体(1)的前端外表面设置有制冷扇(2)，所述背包主体(1)的侧端外表面设置有电池包(3)和冰袋包(4)，所述电池包(3)和冰袋包(4)上设置有拉链(5)，所述背包主体(1)的上端外表面设置有顶盖(6)。通过制冷扇(2)吹动冷气盒(15)内的冰袋，不仅能够使冷气均匀分布于背包内，并且还能使背包迅速降温，通过在背包主体(1)的后端外表面设置软垫(11)，软垫(11)通过合页(13)和锁扣与背包主体(1)活动连接，有利于在户外使用者疲惫时将软垫(11)放下，使用者坐在软垫(11)上背靠背包主体(1)进行休息，通过在背包主体(1)的上端设置遮阳布(27)，遮阳布(27)通过齿轮(22)和卡槽(21)能够任意调节角度，方便为使用者遮挡太阳。
Patent WO-2022068082-A1 (WO)
Inventor: ZHU XI
IPC: H04R9/02
Filed: 2020-12-16
Abstract: L'invention concerne un dispositif d'émission sonore et un produit électronique comprenant le dispositif d'émission sonore. Le dispositif d'émission sonore comprend : un boîtier ; et un système de circuit magnétique situé dans le boîtier ; le système de circuit magnétique comprend une partie magnétique latérale et une partie magnétique centrale ; la partie magnétique centrale comprend : une plaque de support située au niveau d'une position centrale ; deux aimants centraux situés des deux côtés de la plaque de support, respectivement, la partie magnétique centrale étant une structure creuse centrale ; et deux groupes de composants de vibration situés des deux côtés de la plaque de support, respectivement, chaque groupe de composants de vibration comprenant une membrane et une bobine acoustique. Le dispositif d'émission sonore comprend également une structure de centrage située sur le côté intérieur du bord creux central de la partie magnétique centrale, la structure de centrage comprenant deux cadres annulaires qui sont fixés de manière articulée sur les parties centrales des deux membranes, respectivement, les extrémités adjacentes des deux structures annulaires étant fixées de manière à être reliées à des supports élastiques, et les bords extérieurs des supports élastiques étant fixés de manière à être connectés sur la partie magnétique centrale du bord creux. La présente invention peut réduire la polarisation générée par la vibration d'une double membrane dans une structure de dispositif d'émission sonore bidirectionnel, réduire la distorsion du produit et améliorer les performances et la stabilité d'un produit.
Patent WO-2022126485-A1 (WO)
Inventor: CHENG QI
IPC: G08G1/01
Filed: 2020-12-17
Abstract: An intelligent traffic management system based on traffic flow, the system comprising a traffic management central platform (100), a plurality of traffic management sub-systems (200) in signal interconnection with the traffic management central platform (100), and a personal access terminal (300) in signal interconnection with the traffic management central platform (100), wherein the personal access terminal (300) is used for querying traffic information and sending a request; and the plurality of traffic management sub-systems (200) are allocated to each intersection in a city, and each traffic management sub-system (200) comprises a traffic flow collection unit (210), a video collection unit (220), a traffic signal control unit (230), a GPS positioning unit (240), a traffic violation monitoring unit (250) and a command and dispatch unit (260). The intelligent traffic management system based on traffic flow not only has a more complete range of functions, but is also provided with a personal access port, thereby greatly improving the efficient and convenient experience brought about by intelligent traffic.
Patent WO-2021136140-A1 (WO)
Inventor: YANG GANG
IPC: G06K9/00
Filed: 2020-12-28
Abstract: L'invention concerne un module d'affichage et un dispositif électronique. Le module d'affichage comprend une source de rétroéclairage (1) et un panneau d'affichage (2), et la source de rétroéclairage (1) comprend une première source lumineuse (3) destinée à fournir une lumière visible et une seconde source lumineuse (4) destinée à fournir une lumière invisible. Le module d'affichage comprend en outre une couche de détection d'empreinte digitale (5) qui se situe du côté du panneau d'affichage (2) opposé à la source de rétroéclairage (1), la couche de détection d'empreinte digitale (5) servant à recevoir la lumière ayant été réfléchie par un doigt au-dessus du panneau d'affichage (2), et la lumière réfléchie étant la lumière émise par la seconde source lumineuse (4) vers le panneau d'affichage (2) après que la lumière invisible a été réfléchie.
Patent WO-2021136203-A1 (WO)
Title: Lead extraction apparatus
Inventor: TANG MIN
IPC: A61B17/50
Filed: 2020-12-28
Abstract: An extraction apparatus (100), used for extracting an elongated structure implanted into the body, the extraction apparatus (100) comprising a manipulating handle (20), a sheath (50) connected to the distal end of the manipulating handle (20), and an expanding head (80) connected to the distal end of the sheath (50), the manipulating handle (20) comprising a drive member and a rotating member, one end of the rotating member being connected to the proximal end of the sheath (50) and the other end of the rotating member connected to the drive member, and the drive member being used for driving the bidirectional rotation of the rotation member to drive the bidirectional rotation of the sheath (50) and the expanding head (80), enabling the expanding head (80) to effectively cut fibrous tissue wrapped around the elongated structure, preventing other leads (500) in the blood vessel from becoming entangled with one another, and preventing the blood vessel wall from twisting and being scratched by the expanding head (80).
Patent WO-2021179761-A1 (WO)
Title: 二次电池、电池模块以及使用二次电池作为电源的装置
Inventor: XU HU
IPC: H01M50/531
Filed: 2020-12-30
Abstract: 本申请提供了一种二次电池、电池模块以及使用二次电池作为电源的装置。二次电池包括电极组件、顶盖组件和集流构件。所述电极组件包括主体和从所述主体延伸出的极耳。所述顶盖组件包括顶盖板、电极端子和绝缘隔板，所述电极端子设置于所述顶盖板，所述绝缘隔板连接于所述顶盖板的靠近所述主体的一侧。所述集流构件至少部分位于所述绝缘隔板与所述主体之间，所述集流构件包括连接于所述极耳的极耳连接部。所述绝缘隔板具有第一凹部，所述第一凹部相对于所述绝缘隔板的下表面朝远离所述主体的方向凹陷，所述极耳连接部至少部分收容于所述第一凹部。
Patent WO-2021184923-A1 (WO)
Title: Laser projection device
Inventor: LI SHIJIE
IPC: G03B21/14
Filed: 2020-12-31
Abstract: A laser projection device (1). The laser projection device (1) at least comprises a laser light source (10), a light-combining apparatus (20), a collimating apparatus (30), at least one phase modulation apparatus (40), and a spatial light modulation apparatus (50). A laser beam generated by the laser light source (10) is shone on the phase modulation apparatus (40) via the light-combining apparatus (20) and the collimating apparatus (20). The phase modulation apparatus (40) is used for phase modulating the laser beam. The spatial light modulation apparatus (50) is used for modulating the light signal spatial distribution of the phase modulated laser, where one spatial light modulation pixel is covered by at least two phase modulation pixels. With the phase modulation apparatus (40) being added for the phase modulation of the laser beam generated by the laser light source (10) and, at the same time, one spatial light modulation pixel being covered by at least two phase modulation pixels, a same pixel of the spatial light modulation apparatus (50) is affected by the phases of multiple pixels of the phase modulation apparatus (40), thus implementing averaged light intensity, and reducing speckle contrast.
Patent WO-2021143583-A1 (WO)
Inventor: JIA YUHU
IPC: H01L51/52
Filed: 2021-01-05
Abstract: 一种封装膜层(10)、显示屏(100)及电子设备(1000)。封装膜层(10)包括第一保护层(11)、缓冲层(12)及第一过渡层(13)。缓冲层(12)用于在封装膜层(10)弯折时减小封装膜层(10)承受的应力，第一过渡层(13)设置在第一保护层(11)与缓冲层(12)之间，第一过渡层(13)的折射率处于第一折射率与第二折射率之间。
Patent WO-2021143658-A1 (WO)
Title: Three-phase pulse width modulation rectifier circuit and pre-charging method therefor
Inventor: GUO XIAOLU
IPC: H02M7/797
Filed: 2021-01-12
Abstract: Provided in the present invention are a three-phase pulse width modulation rectifier circuit and a pre-charging method therefor, the three-phase pulse width modulation rectifier circuit comprising: a three-phase pulse width modulation rectifier, comprising an input terminal, a positive electrode output terminal, and a negative electrode output terminal; first, second, and third switches connected between the input terminal of the three-phase pulse width modulation rectifier and a three-phase alternating current; a first capacitor and a second capacitor connected in series between the positive electrode output terminal and the negative electrode output terminal, a node formed by the connection of the first capacitor and the second capacitor being connected to a neutral point; a first one-way charging branch connected between a first phase alternating current in the three-phase alternating current and the positive electrode output terminal, and being used for pre-charging the first capacitor; and a second one-way charging branch connected between the first phase alternating current and the negative electrode output terminal, and being used for pre-charging the second capacitor. The pre-charging method of the present invention can avoid the production of input spike currents.
Patent WO-2022151315-A1 (WO)
Title: Ap-srs triggering offset enhancement for further enhanced mimo
Inventor: SUN HAITONG
IPC: H04L5/00
Filed: 2021-01-15
Abstract: The present disclosure is directed to AP-SRS triggering offset enhancement for further enhanced MIMO. User equipment (UE), base stations, apparatus, methods, computer-readable memory media, and computer program products are disclosed. The UE may be configured to receive an offset information associated with AP-SRS transmission of the UE; determine a slot offset associated with the AP-SRS transmission, at least based on the offset information; determine a specific slot for the AP-SRS transmission, based on the determined slot offset; and perform the AP-SRS transmission in the determined specific slot.
Patent WO-2021190126-A1 (WO)
Title: 自动开门和关门装置及冰箱
Inventor: CHENG XUELI
IPC: A47B88/457
Filed: 2021-01-28
Abstract: 一种自动开门和关门装置（100）和冰箱，用于自动打开冰箱的抽屉门体，包括：驱动组件（3）；离合装置（4），其包括拨杆（43）和子齿轮（42）；第一齿轮组（7）；第二齿轮组（8）；以及齿条推杆（101）；其中，离合装置（4）处于初始状态，子齿轮（42）未啮合第一齿轮组（7）和第二齿轮组（8），手动推抵抽屉门体，使得齿条推杆（101）复位，抽屉门体被关闭；离合装置（4）处于第一工作状态，拨杆（43）转动，子齿轮（42）啮合第一齿轮组（7），第一齿轮组（7）推动齿条推杆（101）伸出，抽屉门体被打开；离合装置（4）处于第二工作状态，拨杆（43）转动，子齿轮（42）啮合第二齿轮组（8），第二齿轮组（8）推动齿条推杆（101）复位，抽屉门体被关闭。