baber/WOPTO huggingface dataset:
Patent WO-2021129210-A1 (WO)
Title: Générateur de tension à domaines multiples de courbe de tension versus température
Inventor: ELWAN HASSAN OSAMA
IPC: G05F3/02
Filed: 2020-11-11
Abstract: La présente divulgation concerne un circuit électronique (100). Le circuit électronique (100) comprend un générateur de tension de référence, qui comprend un premier circuit candidat conçu pour générer une première tension de référence candidate (VT), un deuxième circuit candidat conçu pour générer une deuxième tension de référence candidate (VC), et un circuit sélecteur (230, 330, 630) conçu pour sélectionner l'une des première et deuxième tensions de référence candidates (VT, VC). Le générateur de tension de référence comprend également un troisième circuit (120) conçu pour générer une tension d'alimentation (Vdd) sur la base de la tension de référence candidate sélectionnée (VT, VC).
Patent WO-2021243978-A1 (WO)
Title: 一种基于激光地图的工作区域拓展方法、芯片及机器人
Inventor: ZHOU HEWEN
IPC: A47L11/24
Filed: 2020-11-24
Abstract: 一种基于激光地图的工作区域拓展方法、芯片及机器人，工作区域拓展方法利用激光扫描获取的地图像素点信息定位出待定边界线（L0-L4，M0-M2），并根据待定边界线（L0-L4，M0-M2）所框定的矩形工作区域（#1-#5）的对角线长度在当前拓展过程中的变化量，来决定矩形工作区域（#1-#5）的下一次拓展情况，实现拓展前后的对角线长度的增量达到重合条件时停止拓展机器人的矩形工作区域（#1-#5），避免分房间区域过程中一大块相连通的区域被分割为过多个小区域而降低机器人在室内工作区域的工作效率，可以节省机器人框定工作区域的运算资源，避免动用软件资源去处理框定分出这些孤立房间角落区域，也不需确保室内地面上框定的工作区域的轮廓边界位置处都是墙体，提高机器人沿边导航的效率。
Patent WO-2021104282-A1 (WO)
Inventor: TONG XIAOTONG
IPC: G16H50/30
Filed: 2020-11-25
Abstract: Procédé et appareil d'affichage de données, terminal et support de stockage, appartenant au domaine technique des ordinateurs. Ledit procédé consiste : à afficher un premier diagramme d'état, le premier diagramme d'état étant utilisé pour indiquer un état de vie d'un individu vivant (S110); à recevoir une caractéristique à évaluer, la caractéristique à évaluer étant utilisée pour évaluer l'état de vie de l'individu vivant (S120); et à afficher un second diagramme d'état, le second diagramme d'état étant un résultat obtenu après la mise à jour du premier diagramme d'état sur la base de la caractéristique à évaluer (S130).
Patent WO-2022021726-A1 (WO)
Inventor: XIE WEI
IPC: H02J3/00
Filed: 2020-12-08
Abstract: A PMU-based power system state estimation performance evaluation method, specifically comprising: acquiring the state estimation value S se  of S m  by actually measuring and obtaining an observation object measurement value S m  of a PMU of a power system; inputting the S m  and S se  into a trained classification model to obtain a classification accuracy and a mark value, and calculating a state estimation performance evaluation index, the training process comprising: acquiring a measurement error data set X of an observation object by means of a power system simulation platform, performing normalization on X and calculating a probability density function (I) of X; acquiring S t  by means of the power system simulation platform; superimposing the S t  and (I) to obtain S m ; acquiring the state estimation value S se  of each S m ; assigning zero or one to α  m ; and training a classification model by using the S t , S m , S se , and α m . Compared to the existing technology, the present technical solution has the advantages of high accuracy, simple operations and reducing labor, and so on.
Patent WO-2021135944-A1 (WO)
Title: Vacuum system and control method therefor
Inventor: ZENG XIANGXIAN
IPC: B01D3/10
Filed: 2020-12-16
Abstract: Provided is a vacuum system, comprising: a plurality of vacuum assemblies (i), wherein each of the vacuum assemblies (i) is used for providing a corresponding vacuum degree for a material in the vacuum assembly (i) so as to meet working procedure requirements which are applicable to the material; and a vacuum pump (20), which is respectively in communication with the plurality of vacuum assemblies (i) by means of pipelines and is used for pumping out gas or solvent vapors from the plurality of vacuum assemblies (i), so as to provide the required vacuum degree for each of the vacuum assemblies (i).
Patent WO-2022126613-A1 (WO)
Inventor: JIAO LIN
IPC: H01L21/00
Filed: 2020-12-18
Abstract: 一种具有射频读写功能的器件链带盘，包括链带盘本体，链带盘本体的外围边缘设有内凹的转动停止定位弧（20），链带盘本体侧面靠近边缘的位置设有嵌入位（30），嵌入位（30）内固定有微型射频传感器（40）。具有射频读写功能的器件链带盘可以适应小间距的链带盘的摆放方式，其识别精度高，具有较高的信息分辨率；并且链带盘在运转过程中直接通过射频读写器（114）进行读写操作，实现了自动化管理，减少了人工，提高了仓管的效率。
Patent WO-2022068095-A1 (WO)
Inventor: WU JOHN
IPC: A61B8/00
Filed: 2020-12-20
Abstract: A double-probe handheld ultrasonic diagnostic instrument, which belongs to the technical field of ultrasonic diagnostic instruments. The double-probe handheld ultrasonic diagnostic instrument comprises a machine body (101), wherein a main machine which is in wireless communication with an external display terminal is arranged in the machine body (101), a convex array probe (201) and a linear array probe (301) are respectively arranged at two ends of the machine body (101), and the convex array probe (201) and the linear array probe (301) are electrically connected to the main machine respectively; and the machine body (101) is in a flat shape, two sides of the machine body (101) form a hand holding side (102) for a user to hold, and the hand holding side (102) is bent inwards in an arc shape in the direction from the end part to the middle part of the machine body (101). The convex array probe (201) and the linear array probe (301) are arranged on the machine body (101), such that the ultrasonic scanning of different parts to be scanned can be satisfied; and the main machine is arranged in the machine body (101), ultrasonic scanning data of the convex array probe (201) and the linear array probe (301) can be processed in the main machine, and then transmitted to the display terminal for display by means of wireless communication, such that the use thereof is convenient.
Patent WO-2021184879-A1 (WO)
Inventor: LIN PENG
IPC: H04L1/18
Filed: 2020-12-26
Abstract: 本公开涉及在区块链共识处理时进行处理消息同步的方法及装置。处理消息同步方法包括：如果在给定期间期满时存在处理消息缺失，则向区块链网络中的目标区块链节点发送处理消息重发请求，所述处理消息是在针对待共识数据块的当前处理时从所述其它区块链节点接收的处理消息，所述处理消息重发请求包括待共识数据块标识；以及从所述区块链网络中的目标区块链节点接收响应于所述处理消息重发请求而重发的处理消息。
Patent WO-2022121031-A1 (WO)
Inventor: WANG DANDAN
IPC: G06T5/00
Filed: 2020-12-29
Abstract: La présente invention divulgue un procédé de restauration d'image de veine de doigt basé sur une convolution partielle et une mise à jour de masque. Ledit procédé consiste à : détecter une région anormale (région de bruit) d'une image de veine de doigt endommagée, et marquer la région anormale ; générer l'image de la veine de doigt endommagée comportant la marque de région anormale dans une image de masque originale correspondante ; et entrer l'image de la veine de doigt endommagée et l'image de masque originale dans un modèle de restauration d'image de trou irrégulier pré-entraîné, le modèle de restauration d'image de trou irrégulier effectuant, selon l'image de masque originale, une opération de codage et de décodage de caractéristiques sur une région non anormale sur l'image de la veine de doigt endommagée au moyen d'une convolution partielle et d'une mise à jour de masque, et délivrer une image restaurée de l'image de la veine de doigt endommagée. Pour l'image de la veine de doigt restaurée par la présente invention, la texture de la veine de doigt est claire, la transition du bord original de la région de bruit est naturelle, le processus de restauration est simple, l'effet est évident, et le taux de réussite et la vitesse de restauration de l'image de la veine de doigt sont améliorés.
Patent WO-2021258724-A1 (WO)
Inventor: LIU BO
IPC: G10L21/0208
Filed: 2021-01-14
Abstract: A terminal, a sound production method, a storage medium, and an electronic device. Ambient noise is collected by means of a sound collection module (22) to generate an ambient noise signal (S301), and the ambient noise signal is sent to a driver chip (24); a signal to be played of an exciter (26) is adjusted by means of the driver chip (24) according to the ambient noise signal (S303); and a sound is produced by means of the exciter (26) according to the adjusted signal to be played (S305). A signal to be played is adjusted using ambient noise to optimize the signal to be played, so that the impact of the ambient noise on the signal to be played can be relieved. Therefore, the technical problem in the related art of a poor sound production effect can be solved, and the technical effect of enhancing the sound production effect is achieved.
Patent WO-2021169692-A1 (WO)
Inventor: ZHANG LIANG
IPC: G11C29/44
Filed: 2021-01-22
Abstract: Provided are a repair circuit, a memory, and a repair method, which relate to the technical field of semiconductor memories. The repair circuit is configured in a memory comprising a normal storage region and a redundancy storage region, wherein the redundancy storage region comprises a target repair unit adjoining the normal storage area. The repair circuit is used for controlling the target repair unit to repair an abnormal storage unit in the normal storage region, and the repair circuit comprises: a first control circuit for receiving signals with a target number of bits, in ascending order, in a row address, processing the signals with the target number of bits to obtain a control result, and outputting same, wherein the target number is associated with the number of word lines in the target repair unit; and a repair determination module connected to an output end of the first control circuit and used for receiving the control result, and outputting, in conjunction with the control result, a repair signal indicating whether to execute a repair operation. The present disclosure can increase the utilization rate of the redundancy storage region of the memory. (FIG. 2)
Patent WO-2021155800-A1 (WO)
Title: Method and device in a node used for wireless communication
Inventor: ZHANG XIAOBO
IPC: H04W72/00
Filed: 2021-02-03
Abstract: The present disclosure provides a method and a device in a node used for wireless communications. A first node receives a first signaling; performs a first channel sensing operation over a first subband; and transmits a first signal. Herein, the first signaling comprises first indication information, used for indicating an Rx parameter of the first channel sensing operation; the first channel sensing operation is used for determining channel occupancy information, the channel occupancy information used for determining whether the first subband can be used by a transmitter of the first signaling for signal transmission; the first signal is used for indicating the channel occupancy information; the first signaling is used for determining Q1 candidate resource groups, with a first resource group being one of the Q1 candidate resource groups and occupied by the first signal. The present disclosure enables the receiver in communications to perform channel sensing and feedback results, hence a reduction in interferences incurred from hidden node issues.
Patent WO-2021169801-A1 (WO)
Title: 制冷装置、制冷装置的控制方法、控制装置以及制冷系统
Inventor: HAN YI
IPC: F24F11/37
Filed: 2021-02-09
Abstract: 本申请实施例公开了一种制冷装置。本申请实施例的制冷装置包括：制冷模块和第一蓄冷模块；该制冷装置包括室内风机、压缩机、冷凝器、电子膨胀阀和蒸发器；该压缩机、冷凝器、电子膨胀阀、蒸发器之间闭环串联连接；该第一蓄冷模块中设置有第一相变材料；该压缩机、冷凝器、电子膨胀阀以及蒸发器之间形成制冷循环通路，该制冷循环通路用于对室内回风进行降温；当该室内风机向室内送风的温度小于或等于第一预设温度时，第一蓄冷模块通过第一相变材料的相变开始蓄冷；当压缩机停止运行且该室内风机向室内送风的温度大于第一预设温度时，第一蓄冷模块放冷，对该室内回风再次进行降温；该室内风机用于向室内送入降温后的室内回风。
Patent WO-2022170467-A1 (WO)
Inventor: DU JING
IPC: A24F40/46
Filed: 2021-02-09
Abstract: L'invention concerne un système de génération d'aérosol (1) et un article de génération d'aérosol (20) associé. L'article de génération d'aérosol (20) peut générer un aérosol sous l'effet de micro-ondes et comprend du tabac (221), un agent de formation d'aérosol (222) et des particules fonctionnelles (223). Les particules fonctionnelles (223) peuvent absorber les micro-ondes et avoir des propriétés de rayonnement infrarouge. Les particules fonctionnelles (223) peuvent convertir les micro-ondes absorbées en énergie thermique, puis transmettre l'énergie thermique au tabac (221) et à l'agent de formation d'aérosol (222). En sélectionnant les particules fonctionnelles (223) ayant des propriétés de rayonnement infrarouge, un transfert de chaleur par conduction et un transfert de chaleur par rayonnement peuvent être améliorés, et la chaleur des particules fonctionnelles (223) peut être rapidement transférée à un milieu de tabac.
Patent WO-2021170090-A1 (WO)
Title: SARS-CoV-2病毒的检测方法及检测试剂盒
Inventor: QIN XIJIAN
IPC: G01N33/68
Filed: 2021-02-26
Abstract: 属于病毒分子领域，涉及SARS-CoV-2病毒的检测方法及检测试剂盒，具体涉及一种检测样品中是否存在SARS-CoV-2病毒或其抗原的方法及其检测试剂盒。还涉及一种检测样品中是否存在抗SARS-CoV-2病毒抗体的方法及其检测试剂盒。进一步提供了一种特异性结合SARS-CoV-2病毒的抗体在检测试剂盒中的应用，所述抗体的重链序列如SEQ ID NO:6所示，和所述抗体的轻链序列如SEQ ID NO:7所示。所述的SARS-CoV-2检测方法操作简单且不需要特殊设备，能够实现病毒的早期免疫诊断。
Patent WO-2021180101-A1 (WO)
Title: 自动化天车防撞系统及方法
Inventor: ZHENG SHANSHAN
IPC: B66C15/04
Filed: 2021-03-10
Abstract: 一种自动化天车防撞系统，其包括：行驶轨道（1）；可移动的安装于行驶轨道的天车（2）；光电感应装置（4），设置在所述轨道下方，用于在所述行驶轨道下方形成保护区域，以及用于在侦测到异物进入保护区域时输出反馈信号；控制系统（7），连接所述天车以及所述光电感应装置，所述控制系统用于在接收到所述反馈信号时控制相应工作的天车停止移动。
Patent WO-2021185286-A1 (WO)
Title: Stent implanter driving mechanism and medical stent implantation device
Inventor: TAO KAI
IPC: A61F2/966
Filed: 2021-03-17
Abstract: A stent implanter driving mechanism and a medical stent implantation device. The stent implanter driving mechanism comprises an outer tube clamping mechanism suitable for clamping an outer tube (500) and a shaft movement driving mechanism suitable for driving the outer tube (500) to move. The outer tube clamping mechanism comprises an outer sleeve (101) fixedly sleeved on the outer tube (500), and a press block (102) connected to the outer sleeve (101). The shaft movement driving mechanism comprises a transmission assembly that mates with the press block (102) to be suitable for driving the press block (102) to move, and a power part connected to the transmission assembly. The power part is suitable for driving the transmission assembly to implement the synchronous movement of the outer tube (500) while driving the press block (102) to move. The transmission assembly comprises an annular synchronization structure, as well as a driven rotating wheel (105) and a driving rotating wheel (103) that mate with and are connected to the annular synchronization structure. The driving rotating wheel (103) mates with and is connected to the power part so that the driving rotating wheel (103) is suitable for being driven by the power part to rotate.
Patent WO-2021197144-A1 (WO)
Inventor: LIN LIN
IPC: H04L29/08
Filed: 2021-03-23
Abstract: Disclosed are a communication method and apparatus, which are used for solving the possible problem of the computing power of a special accelerator configured inside an end side device being unable to meet the requirements of software and applications. An end side device applies for computing resources from a cloud side device as required. The end side device can send an artificial intelligence model and data to be analyzed to the cloud side device, and the cloud side device loads and runs the artificial intelligence model in combination with the computing resources, carries out inference on the data to be analyzed to obtain an inference result, and feeds the inference result back to the end side device. In addition, the end side device can load the artificial intelligence model by itself, then run the artificial intelligence model and the data to be analyzed to generate a computing instruction and computing data, and send the computing instruction and the computing data to the cloud side device, and then, the cloud side device executes the computing instruction to compute the computing data to obtain a computing result, and feeds the computing result back to the end side device.
Patent WO-2022077876-A1 (WO)
Title: Procédé de communication et appareil
Inventor: JIAO SHURONG
IPC: H04L5/00
Filed: 2021-04-02
Abstract: Des modes de réalisation de la présente demande concernent un procédé de communication et un appareil. À condition qu'une ressource temps-fréquence d'un DMRS utilisé pour transporter un PDSCH chevauche une ressource temps-fréquence d'un CORESET, un équipement utilisateur détermine un décalage de retard pour le DMRS, détermine un premier paramètre de temps d3 en fonction d'au moins un élément parmi le décalage de retard du DMRS et une durée du PDSCH, et détermine un temps de traitement T en fonction du premier paramètre de temps d3. À condition qu'un premier symbole d'un PUCCH ne soit pas antérieur au symbole de rétroaction le plus ancien, des informations de rétroaction HARQ sont envoyées à un dispositif de réseau, le symbole de rétroaction le plus ancien étant un symbole déterminé selon un dernier symbole du PDSCH et le temps de traitement T. On augmente le temps de traitement T dans une certaine mesure en introduisant le nouveau premier paramètre de temps d3, en fournissant un temps de traitement de PDSCH suffisant pour l'équipement d'utilisateur avant l'envoi des informations de rétroaction et en permettant l'envoi normal des informations de rétroaction HARQ.
Patent WO-2021197499-A1 (WO)
Inventor: CHEN SHUHUI
IPC: A61K31/553
Filed: 2021-04-06
Abstract: L'invention concerne une classe de composés d'octahydropyrazinodiazanaphtyridine dione, et en particulier un composé tel que représenté dans la formule (III) et un sel pharmaceutiquement acceptable de celui-ci.
Patent WO-2022198720-A1 (WO)
Title: Root canal preparation machine and root canal preparation machine control method
Inventor: ZHANG BENQIN
IPC: A61C1/00
Filed: 2021-04-07
Abstract: A root canal preparation machine (200) and a root canal preparation machine (200) control method. The root canal preparation machine (200) comprises a root canal handle (220), a root canal file (230), an electric motor and a first near field communication device (240), wherein the electric motor and the root canal file (230) are both connected to the root canal handle (220); the electric motor is configured to drive the root canal file (230) to rotate; the first near field communication device (240) is electrically connected to the electric motor; and the first near field communication device (240) is configured to control the electric motor on the basis of external information (250).
Patent WO-2021213183-A1 (WO)
Title: 一种信号发送的方法及装置
Inventor: SHENG JIE
IPC: H04L27/26
Filed: 2021-04-07
Abstract: 本申请提供了一种信号发送的方法及装置，该方法包括：终端在第一时刻获取包含第一正交频分复用(OFDM)循环后缀长度信息的第一配置信息之后，从所述第一配置信息获取第一OFDM循环后缀长度；并在第二时刻使用所述第一OFDM循环后缀长度与网络设备进行通信。通过在上下行通信中加入OFDM循环后缀，避免了干扰信号与期望信号存在符号间干扰而导致的子载波正交性破坏，提升了系统吞吐量。
Patent WO-2021238564-A1 (WO)
Title: Display device and distortion parameter determination method, apparatus and system thereof, and storage medium
Inventor: BAI JIARONG
IPC: G02B27/01
Filed: 2021-04-28
Abstract: The present invention relates to the technical field of display, and provides a display device and a distortion parameter determination method, apparatus and system thereof, and a storage medium. According to the method, a VR image and a reference image which are displayed by a virtual reality (VR) device and photographed by adopting the same target photographing parameter can be acquired; an actual image height between any two target points in the VR image can be flexibly determined on the basis of the reference image, and a distortion parameter of the virtual reality device can be reliably determined on the basis of the actual image height. Therefore, compared with the related technology of obtaining a distortion parameter from a manufacturer, the distortion parameter determined by adopting the method is higher in accuracy, i.e., the reliability of determining a distortion parameter is better.
Patent WO-2021228143-A1 (WO)
Title: Mini program startup method, signature method and apparatus, server and medium
Inventor: ZHU WEI
IPC: G06F21/12
Filed: 2021-05-12
Abstract: Disclosed are a mini program startup method, a signature method and apparatus, a server and a medium. The mini program startup method comprises: when a target mini program is started, making a request to a mini program server for downloading an off-line package of the target mini program, wherein the off-line package comprises a signature file, corresponding to the target mini program, and a data package; performing signature verification on the signature file on the basis of a public key and the data package of the target mini program; and when the signature verification is passed, loading the off-line package and starting the target mini program. Performing signature verification on a signature file of an off-line package can effectively guarantee the security of the off-line package, thereby preventing other persons from tampering with the off-line package.
Patent WO-2021228153-A1 (WO)
Inventor: ZHANG JIAO
IPC: A24F40/46
Filed: 2021-05-12
Abstract: 一种发热组件（31）及加热雾化装置，其中，发热组件（31）包括：发热元件，发热元件包括基体（11）及位于基体（11）上且沿基体（11）轴向依次分布且相连的发热区域（13）、重叠区域（14）及导电区域（15），其中，发热区域（13）设置有发热线路并延伸至重叠区域（14）、导电区域（15）设置有导电线路并延伸至重叠区域（14）且与发热线路重叠或并列连接；固定座（16），固定座（16）的一端固定发热元件，且固定座（16）至少部分与重叠区域（14）接触。通过将固定座（16）设置在发热组件（31）的导电线路和发热线路重叠的重叠区域（14），保证了导电线路及发热线路的电连接稳定性。
Patent WO-2022246719-A1 (WO)
Inventor: YU YU
IPC: B65D85/804
Filed: 2021-05-27
Abstract: A tea drink capsule (1) for easy use in a tea maker. The tea drink capsule (1) is comprised; a bottom plate (8) is fixedly mounted at the bottom of the tea drink capsule (1); water tanks (10) are fixedly mounted on two sides of the bottom plate (8); a connecting water pipe (13) is fixedly mounted between the water tanks (10) on the two sides; micro water pumps (6) are fixedly mounted on the top of the water tanks (10); water discharge pipes (15) are fixedly mounted at output ends of the micro water pumps (6); and a condensed water pipe (17) is provided inside the tea drink capsule (1).
Patent WO-2022252069-A1 (WO)
Inventor: WAN BIN
IPC: G02F1/1345
Filed: 2021-05-31
Abstract: 本公开实施例提供的显示面板及显示装置，显示面板包括：显示基板，包括：显示区以及位于显示区之外的周边区；周边区包括绑定区；显示基板具体包括：衬底基板，在周边区位于衬底基板的一侧且延伸至绑定区的多条扇出线，在绑定区与扇出线一一对应电连接的多个第一绑定电极；驱动芯片，包括：驱动芯片本体，以及位于驱动芯片本体面向显示基板一侧的多个引脚；多个引脚包括：与第一绑定电极一一对应绑定的多个输出引脚；支撑结构，位于驱动芯片本体与衬底基板之间，且与驱动芯片本体以及衬底基板均接触；支撑结构在衬底基板的正投影与扇出线在衬底基板的正投影互不交叠；支撑结构在驱动芯片本体的正投影与引脚在驱动芯片本体的正投影互不交叠。
Patent WO-2021244658-A1 (WO)
Title: Procédés et compositions pour évaluer une réponse immunitaire dans des modèles tumoraux murins
Inventor: XUE JIA
IPC: C12Q1/68
Filed: 2021-06-07
Abstract: L'invention concerne des procédés et des compositions, par exemple des kits et un microréseau, pour évaluer la réponse immunitaire dans un modèle tumoral murin sur la base de l'expression d'un panel de gènes qui caractérise des interactions immunitaires tumorales.
Patent WO-2022100118-A1 (WO)
Inventor: HUANG JINGWEI
IPC: G06F17/16
Filed: 2021-07-07
Abstract: 本申请实施例公开一种模型的处理方法以及相关设备，用于模型求解领域中。方法可以包括：获取与第一模型对应的图结构，对图结构进行随机分割，以得到至少两个第一集合，每个第一集合包括至少一个第一自变量，采用列文伯格-马夸尔特LM算法，对第一自变量的取值进行更新；重复执行随机分割和对第一自变量的取值进行更新的操作，直至满足第一模型的收敛条件，得到第一模型中多个第一自变量的解。将第一模型的求解问题进行了分割，在求解一个子问题的时候就无需占用过多的内存资源；采用随机分割的方式，保证了分割过程的效率；将第一模型的求解问题分割为包括较少自变量的模型的求解问题，有利于执行并行化求解，有利于提高求解过程的效率。
Patent WO-2022012445-A1 (WO)
Title: Quantitative liquid-taking mechanism and micro-fluidic device
Inventor: Liang Pinhong
IPC: G01N1/10
Filed: 2021-07-10
Abstract: A quantitative liquid-taking mechanism (10), and a micro-fluidic device comprising the quantitative liquid-taking mechanism (10), the quantitative liquid-taking mechanism (10) includes: a liquid carrying rod (100) having a passage (110) formed therein and configured to quantitative measuring, taking, and transporting a target liquid; a cavity channel (210) sleeved on the liquid carrying rod (100) and having a first connecting vent (211), a second connecting vent (212) and a third connecting vent (213) formed therein; an air-passage (220) configured to connect the second connecting vent (212) to the third connecting vent (213); and a fluid-passage (230) configured for receiving and outputting the target liquid flowing from the first connecting vent (211). The third connecting vent (213) is disposed between the second connecting vent (212) and bottom of the cavity channel (210), when the liquid carrying rod (100) moves in the cavity channel (210) to a predetermined position, one end of the passage (110) is connected to the first connecting vent (211), and the other end of the passage (110) is connected to the second connecting vent (212). The quantitative liquid-taking mechanism (10) may improve accuracy of liquid-adding on the basis of reducing structural complexity and manufacturing cost.