baber/WOPTO huggingface dataset:
Patent WO-2021147475-A1 (WO)
Title: Sand shakeout apparatus
Inventor: GU QIUFENG
IPC: B22D29/02
Filed: 2020-11-12
Abstract: A sand shakeout apparatus, comprising a worktable (1), a clamping mechanism (2), and a vibrating hammer (3). The workbench (1) is configured to hold a casting (100) to be subjected to sand shakeout; the clamping mechanism (2) is configured to fix the casting (100), and the vibrating hammer (3) can strike the casting (100) to apply vibrational force to the casting (100), wherein the clamping mechanism (2) comprises a pair of opposed clamping parts (21), and a pair of airbag parts (22) that are disposed on the workbench (1) and are configured to fix the pair of clamping parts (21), respectively. When being inflated or deflated, the pair of airbag parts (22) can respectively drive the pair of clamping parts (21) to move toward or away from each other, so as to cause said clamping parts (21) to clamp together or to release the casting (100).
Patent WO-2021098823-A1 (WO)
Inventor: LUO HUAMIN
IPC: G06F9/455
Filed: 2020-11-20
Abstract: Disclosed are a memory isolation apparatus, a memory isolation method, and a related device. The apparatus comprises: a memory scrambling unit and a memory controller. The memory scrambling unit is used for receiving a first process identifier, a first physical address, and first data; the memory scrambling unit is further used for performing secret key derivation on the basis of the first process identifier and the first physical address to generate a first secret key; the memory scrambling unit is further used for scrambling the first data by using the first secret key to generate second data. The memory controller is used for writing the second data into a storage area corresponding to the first physical address. In embodiments of the present application, data is scrambled by means of an independent memory scrambling unit according to the process identifier corresponding to each application. Hardware-level memory security isolation can be achieved. Security of data is improved.
Patent WO-2021143389-A1 (WO)
Title: Data retransmission activation method, device, apparatus, and storage medium
Inventor: WANG DA
IPC: H04W72/04
Filed: 2020-12-04
Abstract: Disclosed are a data retransmission activation method, a device, an apparatus, and a storage medium. The method comprises: a first user equipment determines, according to the channel quality, or indication information of an indication device, whether to activate data repeat transmission of a sidelink, wherein the indication device is a network side device that the first user equipment accesses, or a second user equipment that communicates with the first user equipment. Conditions for activating data repeat transmission can be determined by the method, and the activation of data repeat transmission on the basis of the method further improves the reliability of receiving information at a receiving end.
Patent WO-2022116228-A1 (WO)
Inventor: WANG JIANPING
IPC: A47G19/03
Filed: 2020-12-08
Abstract: 一种增强型纸盘，其包括盘体，以及盘底。所述盘体包括主体，以及支撑缘。所述主体为锥台形桶。所述支撑缘包括支撑部，以及架设部。所述支撑部的一侧与所述主体的小直径边连接并用于支撑所述主体，且在沿所述锥台形桶的中心轴的截面上所述架设部的延伸方向与所述锥台形桶的中心轴垂直。所述架设部的直径大于0厘米且小于所述锥台形桶的最小直径。所述盘底包括底部，以及边缘，所述边缘粘合在所述锥台形桶的内侧壁上。本增强型纸盘可以避免所述主体被压跨，达到增强所述纸盘的强度的目的，进而使得所述纸盘可以应用于饭店或食堂等菜量大的场合。
Patent WO-2021169486-A1 (WO)
Title: 基于充电过程监控电池阻抗异常的方法、系统以及装置
Inventor: TIAN WEICHAO
IPC: G01R31/389
Filed: 2020-12-11
Abstract: 一种基于充电过程监控电池阻抗异常的方法、系统以及装置，其方法包括：接收动力电池的运行信息（210）；根据运行信息中一次完整充电过程的动力电池的运行信号数据进行计算，以确定动力电池的内阻变化是否随动力电池的荷电状态变化而发生变化（220）；根据电阻差是否随荷电状态变化的而发生变化的结果、以及预设的判断条件，确定电池阻抗是否发生异常（230）。本方法能够更准确地监控动力电池是否存在阻抗异常，进而发现异常出现的位置，及时报警，实现云端监控。
Patent WO-2021121361-A1 (WO)
Inventor: DING GENMING
IPC: G01S13/32
Filed: 2020-12-18
Abstract: A distance measurement method and apparatus (100). The method comprises: receiving a plurality of first echo signals generated within a detection range of a plurality of first radar signals transmitted in a first time period (S210); determining a first point cloud dataset according to the plurality of first echo signals (S220); denoising the first point cloud dataset according to a signal-to-noise ratio value and a rate value in each point cloud data included in the first point cloud dataset, to obtain a target dataset (S230), obstacle points in different motion states having different noises and rates; clustering first point cloud data included in the target dataset according to a distance value in each first point cloud data included in the target dataset, to obtain at least one classification, the at least one classification corresponding to at least one obstacle (S240); and determining a distance between the obstacle corresponding to each classification and the emission origin according to the distance value in each first point cloud data included in the each classification in the at least one classification (S250). The distance measurement method and apparatus (100) can improve the accuracy of distance measurement.
Patent WO-2022021771-A1 (WO)
Inventor: ZHENG ZHIMING
IPC: H04L12/40
Filed: 2020-12-25
Abstract: Provided is an onboard device of an aircraft, the onboard device having a bus interface and a dedicated wireless transmission apparatus connected to the bus interface. The dedicated wireless transmission apparatus comprises an interface conversion module and a wireless transmission module, wherein the interface conversion module is configured to convert bus data received from the bus interface into a data packet that can be transmitted using radio access technology, and/or to convert a data packet received from the wireless transmission module into bus data corresponding to the bus interface; and the wireless transmission module is configured to use the radio access technology to transmit the converted data packet, and/or to receive the data packet transmitted using the radio access technology. In addition, further provided are a method and system for wireless interconnection between onboard devices. By means of the present invention, the number of cables of an airplane can be effectively reduced without affecting the structure of an original onboard device, thereby reducing the weight of the aircraft and saving the amount of space occupied by the cables.
Patent WO-2021184876-A1 (WO)
Title: Electric heating non-combustion atomization device
Inventor: ZHANG XINGFU
IPC: A24F40/46
Filed: 2020-12-25
Abstract: An electric heating non-combustion atomization device (100), comprising a hollow housing (10), a circuit board assembly (20), a heating atomization assembly (30), and a battery assembly (40). The circuit board assembly (20) is fixedly disposed in the housing (10). The heating atomization assembly (30) is used for heating a vapor generating substrate. The heating atomization assembly (30) is at least partially accommodated in a first end (14) of the housing (10). The heating atomization assembly (30) is detachably connected to the circuit board assembly (20) so that the heating atomization assembly (30) can be taken out of the housing (10). The battery assembly (40) is used for providing power. The battery assembly (40) is at least partially accommodated in a second end (15) of the housing (10). The battery assembly (40) is detachably connected to the circuit board assembly (20) so that the battery assembly (40) can be taken out of the housing (10). In this way, the electric heating non-combustion atomization device (100) can be modularized, and removal and installation of each module are facilitated, facilitating repair and replacement of parts of the electric heating non-combustion atomization device (100), thereby prolonging the service life of the electric heating non-combustion atomization device (100).
Patent WO-2022141007-A1 (WO)
Title: 信号的传输方法、装置、基站、终端及计算机存储介质
Inventor: LIU NING
IPC: H04L5/00
Filed: 2020-12-29
Abstract: 本申请提供了一种信号的传输方法、装置、基站、终端及计算机存储介质，该方法包括：获取SSB；生成Additional CRS的伪随机序列，再得到第一低峰均值功率比序列Low-PAPR Sequence；同理，生成CORESET 0的第二Low-PAPR Sequence；利用第一Low-PAPR Sequence和第二Low-PAPR Sequence，生成第一Additional CRS，将包含第一Additional CRS的时域信号进行广播。
Patent WO-2021190143-A1 (WO)
Title: 穿戴式电子设备
Inventor: PENG ZHIYONG
IPC: H01Q1/36
Filed: 2021-02-01
Abstract: 本申请实施例提供一种穿戴式电子设备，包括第一壳体部、第二壳体部以及第一辐射体，第二壳体部的一端和第一壳体部的一端可活动连接，第二壳体部可相对于第一壳体部处于不同位置，第一辐射体设置于第二壳体部，第一辐射体用于在第二壳体部相对于第一壳体部处于不同位置时传输相应频段的射频信号。
Patent WO-2021170142-A1 (WO)
Title: 芯片的切割成型方法以及晶圆
Inventor: NIE YONGZHONG
IPC: B81C1/00
Filed: 2021-03-01
Abstract: 本申请涉及一种芯片的切割成型方法以及晶圆，切割成型方法包括如下步骤：提供阵列基体，包括底板、分布于底板的导槽及多个具有孔道的芯片单元，导槽与各芯片单元的孔道连通，底板具有与导槽间隔设置的底面以及环绕底面设置的外周面，导槽贯穿外周面并形成开口；在底板上键合盖板并共同形成待灌注体。由导槽的开口向待灌注体内注入呈液体状态的填充材料，使得填充材料至少填充于各芯片单元的孔道并固化，形成晶圆；切割晶圆并形成多个切割体，去除各切割体的填充材料，以成型具有孔道的芯片。本申请实施例提供的芯片的切割成型方法以及晶圆，能够满足芯片的切割成型要求，同时能够避免碎屑进入芯片的孔道内，保证芯片的性能。
Patent WO-2022001150-A1 (WO)
Title: Electromagnetic attraction-type metal connector
Inventor: WANG MIN
IPC: H01R13/62
Filed: 2021-03-04
Abstract: An electromagnetic attraction-type metal connector, comprising a female end connector and a male end connector matched therewith; the female end connector comprises a housing (1); the housing (1) is internally provided with a metal connector female end (2), a conductive coil (3) provided around the metal connector female end (2) and a PCB board (4); the metal connector female end (2) and the conductive coil (3) are both connected to the PCB board (4) so that the metal connector female end and the conductive coil can be conducted and powered on; and the conductive coil (3) and the metal connector female end (2) are completely insulated and not conducted. Compared with a permanent magnet or a magnetizing medium in the prior art, the conductive coil (3) has a small volume, allowing for a compact overall structure of the metal connector; the conductive coil (3) is provided around the metal connector female end (2), has no influence on the internal structure of the metal connector female end (2), and has no limitation on the number of terminals and PINs thereof, facilitating achieving the multi-functional requirements of the metal connector; and compared with the permanent magnet or the magnetizing medium, the conductive coil (3) has a significant cost advantage, facilitating reducing the production cost of the magnetic attraction-type metal connector.
Patent WO-2021190357-A1 (WO)
Title: 故障检测方法及设备
Inventor: ZHANG ZHETAO
IPC: H04L12/24
Filed: 2021-03-16
Abstract: 本申请实施例提供了一种故障检测方法及设备，该方法包括：获取第一检测逻辑，第一检测逻辑包括多个检测事件，用于指示多个检测事件之间的逻辑关系，单一检测事件中包括待检测设备的标识信息、检测指令和故障事件的标识信息，其中，多个检测事件中的待检测设备的标识信息部分相同；响应于获取到的第一检测逻辑，按照多个检测事件之间的逻辑关系，依次对各单一检测事件中的待检测设备执行对应的检测指令，并接收待检测设备返回的执行结果；若检测到执行结果中包括故障事件的标识信息，则确定存在故障事件。本申请通过故障检测设备自动查询多个待检测设备的状态，并快速确定故障事件，从而可对应用场景中出现的故障问题进行准确定位。
Patent WO-2021218488-A1 (WO)
Title: Système de manipulation hydraulique léger et compact pour des applications sous-marines
Inventor: WANG ZHENG
IPC: B25J11/00
Filed: 2021-03-22
Abstract: La présente invention concerne un système de manipulation hydraulique léger et compact utilisé pour des applications sous-marines. Le système comprend un manipulateur sous-marin hybride et une structure de commande hydraulique comprenant au moins deux vessies souples de compensation. Le système est utilisé pour un travail sous-marin général tel qu'un échantillonnage sous-marin, un soudage hyperbare et une aquaculture marine.
Patent WO-2022205248-A1 (WO)
Inventor: HUANG NANYANG
IPC: H04L47/56
Filed: 2021-03-31
Abstract: The present application provides a communication method based on a time-sensitive transmission protocol (TSTP), and a related device. The method comprises: a first terminal device encapsulates data to be sent to obtain a TSTP frame, the TSTP frame comprising a TSTP header field, and the TSTP header field instructing the first terminal device to establish a communication connection and traffic control with a second terminal device; and the first terminal device sends the TSTP frame. According to the method, the data transmission efficiency can be improved, an RTT value and a network congestion state can be correctly estimated, and the bandwidth utilization rate is improved.
Patent WO-2022141962-A1 (WO)
Inventor: ZHU CHENGKAI
IPC: G06K9/00
Filed: 2021-04-16
Abstract: 一种入侵检测方法、装置、设备、存储介质和程序产品，其中，所述方法包括：从待处理的视频流中获得所述待处理图像（S101）；对所述待处理图像中的对象进行检测，得到至少一个对象检测框（S102）；确定所述对象检测框中是否存在所述预设的入侵对象（S103）；在确定所述对象检测框中存在预设的入侵对象的情况下，对所述待处理图像进行识别，得到入侵检测区域（S104）；基于所述预设的入侵对象的位置和所述入侵检测区域，确定是否发生入侵事件（S105）。
Patent WO-2022095382-A1 (WO)
Inventor: GAO YI
IPC: G06F16/9535
Filed: 2021-04-30
Abstract: 基于知识图谱的电子卡片生成推送方法、装置、计算机设备及存储介质，属于大数据处理领域，该方法包括：根据挖掘配置信息对数据挖掘程序进行配置并进一步获取挖掘数据信息，对挖掘数据信息进行结构化处理生成关联知识网并添加至知识图谱中，对知识图谱中主体的数据进行聚合得到卡片内容集并根据场景模板库生成与卡片内容集相匹配的卡片集合，根据提问信息获取卡片集合中相匹配的一个目标卡片进行推送。该方法可对挖掘数据信息进行结构化处理得到知识图谱，基于知识图谱中主体的数据及场景模板库生成卡片集合，可提高生成电子卡片的效率，通过匹配获取卡片集合中与提问信息相匹配的目标卡片以提高推送的精确性。
Patent WO-2021227948-A1 (WO)
Title: Data annotation method, apparatus and system, and terminal device
Inventor: Ma Zexiang
IPC: G06K9/62
Filed: 2021-05-07
Abstract: Embodiments of the present invention provide a data annotation method, apparatus and system, and a terminal device. The data annotation method comprises: a first terminal device receives a task packet to be annotated sent by an annotation platform server; then obtain a current picture to be annotated from said task packet, and obtain an access link of said current picture; the first terminal device displays the access link, so that a second terminal device obtains said current picture according to the access link and carries out a drawing operation, thereby sending a picture which cannot be annotated on the first terminal device to the second terminal device and carrying out accurate drawing on the contour of an annotated object in the picture. Then the first terminal device obtains the drawing information of the second terminal device, numbers the drawing information and inputs text information corresponding to the drawing information, thereby completing the annotation operation of said current picture.
Patent WO-2021233280-A1 (WO)
Title: Display panel and display device
Inventor: XU CHEN
IPC: H01L27/32
Filed: 2021-05-18
Abstract: Provided are a display panel and a display device. The display panel comprises: a substrate and a conductive member, wherein the conductive member is located on the substrate and comprises a first conductive sub-layer, a second conductive sub-layer and a third conductive sub-layer which are sequentially stacked. The first conductive sub-layer is closer to the substrate than the third conductive sub-layer, the conductivity of the first conductive sub-layer is less than that of the second conductive sub-layer, the melting point of the third conductive sub-layer is greater than that of the second conductive sub-layer, the second conductive sub-layer comprises a first surface close to the first conductive sub-layer and a second surface close to the third conductive sub-layer, the first surface and the second surface being oppositely arranged, and the third conductive sub-layer protrudes from the second surface along the width direction of the conductive member, and the width direction intersects with the extending direction of the conductive member. The display device comprising the display panel can reduce the risk of electrostatic breakdown.
Patent WO-2022198786-A1 (WO)
Inventor: WU YU-HSUAN
IPC: G06T7/00
Filed: 2021-05-30
Abstract: 一种目标物检测方法，涉及人工智能技术，包括：对原始图像集进行目标物粗定位，得到原始图像集中每张图像的目标物定位置信度，根据目标物定位置信度进行置信度分析，从所述原始图像集中选取若干张图像作为标准图像，对所述标准图像进行目标物初检，得到目标物的初检分数，根据所述初检分数及所述目标物定位置信度从所述标准图像中挑选出候选图像，对所述候选图像进行目标物终检，利用预设的投票机制从目标物终检结果中筛选出最终目标物。此外，还涉及区块链技术，所述最终目标物可存储在区块链的节点中。还提出一种目标物检测装置、电子设备以及计算机可读存储介质。可以解决目标物检测准确率较低的问题。
Patent WO-2021254129-A1 (WO)
Title: Challenge-response pair generation apparatus and method based on puf
Inventor: ZHOU PENG
IPC: H04L9/32
Filed: 2021-05-31
Abstract: Provided is a challenge-response pair generation apparatus based on a PUF, the apparatus comprising: a first PUF module, which is used for receiving input challenge information, and generating first response information according to the input challenge information; a pseudo-random number generator, which is used for generating P random number sequences according to the first response information; and a second PUF module, which is used for obtaining P pieces of second address information according to the P random number sequences, and generating P bits of second response information according to the P pieces of second address information, wherein P is a positive integer. By means of the challenge-response pair generation apparatus based on a PUF, a second PUF module is selected by means of a random number sequence, so as to obtain final output response information, such that the number of challenge-response pairs is increased, and the correlation between adjacent numerical values of the final output response information is reduced; moreover, response information output by a first PUF module is used as a seed value of a pseudo-random number generator, such that the unpredictability of random number sequences generated by the random number generator is ensured, and the unpredictability of the final output response information is further increased.
Patent WO-2022233076-A1 (WO)
Title: Stacking machine for single-side roadway of stereo garage, and mounting method therefor
Inventor: LI YU
IPC: E04H6/18
Filed: 2021-06-01
Abstract: A stacking machine for a single-side roadway of a stereo garage, and a mounting method therefor. The stacking machine comprises a lower rail (1), an upper rail (2), sliding mechanisms (3) and a rack (4), wherein the sliding mechanisms (3) are all arranged on a surface of the lower rail (1) and a surface of the upper rail (2), and the rack (4) is mounted on surfaces of the sliding mechanisms (3). By means of slidably inserting connecting plates (5) on two sides of the rack (4) into an inner wall of a mounting groove (303), when a mounting plate (302) is aligned with a first threaded groove (310) disposed in the connecting plate (5), a positioning screw rod (6) spirally rotates at an inner wall of the first threaded groove (310), such that when the bottom end of the positioning screw rod (6) enters the first threaded groove (310) in the connecting plate (5), the rack (4) is fixed on base surfaces in the sliding mechanisms (3). In the stacking machine, the sliding mechanisms and the rack are dismounted or mounted separately, and are thus more convenient to mount, thereby reducing the labor amount of workers.
Patent WO-2021244548-A1 (WO)
Inventor: ZHANG XIN
IPC: H04L12/58
Filed: 2021-06-01
Abstract: The present application provides an instant message processing method, comprising: allocating a unique ID for each new message received by an intelligent terminal; when a change occurs in a state of a message in a notification bar of the intelligent terminal or in a message queue of a wearable device, matching a message of another associated device according to the unique ID corresponding to the message; and performing corresponding change processing according to a predefined processing policy.
Patent WO-2022252285-A1 (WO)
Inventor: XU HAOTIAN
IPC: G02F1/13357
Filed: 2021-06-15
Abstract: 一种背光模组（100）及显示装置；背光模组（100）包括光源组件（10）、将光源组件（10）发出的光线汇聚在预设角度范围内射出的收光结构（20）、将收光结构（20）汇聚的光线通过镜面反射的方式从导光结构（30）的出光面导出的导光结构（30），以及视角切换组件（40），视角切换组件（40）将导光结构（30）射出的光线以第一视角或第二视角导出。
Patent WO-2022160575-A1 (WO)
Title: Main unit, atomization device, and aerosol generating device
Inventor: ZHAO BOYANG
IPC: A24F40/46
Filed: 2021-06-23
Abstract: A main unit (100) for an aerosol generating device, an atomization device (200), and an aerosol generating device. The main unit (100) comprises a housing (12), a partition member (13), air inlet channels (300), and first electrodes (19), an opening being formed at one end of the housing (12); the partition member (13) is located in the housing (12) and divides an inner space of the housing (12) into a first cavity (10) on the side away from the opening and a second cavity (11) on the side of the opening; the air inlet channels (300) are arranged in the first cavity (10) and the partition member (13), the air inlet channels (300) are in communication with the external air by means of the first cavity (10), air outlet ends (24) of the air inlet channels (300) are in communication with the second cavity (11) and protrude beyond the end face of the partition member (13) located in the second cavity (11); and the first electrodes (19) are arranged on the partition member (13) and protrude beyond the end face of the partition member (13) located in the second cavity (11). The aerosol generating device supplies air through the air inlet channels (300), and no longer depends on a gap at the joint between the atomization device (200) and the main unit (100), and electrical connection and gas path connection between the main unit (100) and the atomization device (200) can be realized.
Patent WO-2022193480-A1 (WO)
Inventor: LIU TAO
IPC: H01L27/108
Filed: 2021-07-05
Abstract: 本申请提供一种存储器的制作方法及存储器，涉及存储设备技术领域，用于解决存储器的良率较低的技术问题。该存储器的制作方法包括：提供基底，基底中形成有电容接触垫；在基底上形成叠层结构；叠层结构包括形成在基底上的第一叠层结构和形成在第一叠层结构上的第二叠层结构；在第二叠层结构内形成第一通孔；在第一通孔的侧壁形成保护层，位于第一通孔内的保护层围设形成第二通孔；沿第二通孔刻蚀所述第一叠层结构，形成第三通孔，且所述第三通孔暴露出所述电容接触垫。通过保护层保护第一通孔的侧壁，减少或者避免后续刻蚀气体或者刻蚀液体损伤第一通孔的侧壁，以减少或者避免第一通孔的侧壁弯曲甚至第一通孔刻穿，提高存储器的良率。
Patent WO-2022017311-A1 (WO)
Title: Mixed gas generating system
Inventor: LIN HSIN-YUNG
IPC: A61M16/16
Filed: 2021-07-19
Abstract: A mixed gas generating system (3, 4, 5, 6), comprising a hydrogen generating device (40, 50, 60) and an oxygen generator (13, 34, 43, 53, 63) or a breathing tube (13', 33', 53', 63'). The hydrogen generating device (40, 50, 60) electrolyzes water to generate hydrogen, the oxygen generator (13, 34, 43, 53, 63) is used for producing first oxygen, and the breathing tube (13', 33', 53', 63') is used for receiving the first oxygen from an oxygen supply device (2, 38, 58, 68). By means of passing hydrogen produced by the hydrogen generating device (40, 50, 60) and the first oxygen provided by the oxygen generator (13, 34, 43, 53, 63) or the breathing tube (13', 33', 53', 63') through a gas mixing tube (15, 35, 55, 65) or inputting the first oxygen into the hydrogen generating device (40, 50, 60), hydrogen and the first oxygen can be mixed to form a mixed gas for inhalation by a user. Therefore, the mixed gas generating system has a simple structure, is convenient to use, is widely applicable, can produce a mixed gas having a certain concentration of hydrogen for inhalation by patients suffering from pulmonary diseases, thereby reducing symptoms and reducing the burden of lungs, can also produce a gas mixed with an atomized gas having a therapeutic effect to form a health care gas for inhalation by the human body, and also has better safety.
Patent WO-2022257234-A1 (WO)
Inventor: ZHANG YANG
IPC: B24B41/06
Filed: 2021-07-20
Abstract: 一种柱体的打磨装置、打磨方法及记录介质，属于打磨装置的技术领域。包括输送盘和输送机构，输送盘设于所述打磨台内；所述输送盘的边缘处设有若干个向下凹陷的凹槽，所述凹槽被设置为放置待打磨柱体；输送机构传动连接于所述输送盘；所述输送盘在输送机构的驱动下做间歇式转动，且输送盘停止转动时，输送机构处于锁紧状态，此时打磨刀对位于下方的待打磨柱体进行打磨。本发明公开的输送机构在同时运输时具备锁紧功能，既在打磨刀给予正在打磨柱体一定外力的作用时，也不会导致输送盘的转动，增加了打磨时的精度，降低各种意外的发生。
Patent WO-2022033303-A1 (WO)
Title: Benzylamine derivative, preparation method therefor and use thereof
Inventor: XIAO JUNHAI
IPC: A61P35/02
Filed: 2021-07-28
Abstract: The present invention relates to a benzylamine derivative, a preparation method therefor and use thereof, and in particular, to a benzylamine derivative as represented by general formula (I), or a pharmaceutically acceptable stereoisomer, salt, solvate, or prodrug thereof, which has a strong binding capability with human PD-L1, can obviously inhibit the interaction of PD-1/PD-L1, and has significant anti-tumor efficacy in vivo. Therefore, the present invention also relates to a preparation method for the benzylamine derivative and use thereof in preparing a drug for treating PD-1/PD-L1-related diseases.