baber/WOPTO huggingface dataset:
Patent WO-2021258587-A1 (WO)
Inventor: SUN LIANG
IPC: B01D67/00
Filed: 2020-10-26
Abstract: A swelling-resistant sulfonated polyethersulfone nanofiltration membrane, comprising an ultrafiltration support layer and a nanofiltration separation layer loaded on the ultrafiltration support layer, wherein both the ultrafiltration support layer and the nanofiltration separation layer are formed by phase inversion of sulfonated polyethersulfone, and both the ultrafiltration support layer and the nanofiltration separation layer are subjected to crosslinking treatment by a crosslinking agent; the ultrafiltration support layer casting solution comprises nanoparticles, and the nanofiltration separation layer casting solution does not comprise nanoparticles.
Patent WO-2021129113-A1 (WO)
Title: 冷粘成型军用鞋自动化产线
Inventor: CHEN MIN
IPC: A43D95/00
Filed: 2020-10-27
Abstract: 公开了一种冷粘成型军用鞋自动化产线，其包括内底固定工位、前帮压紧工位、鞋头包敲和座跷工位、中后帮压紧工位、去皱敲紧工位、鞋帮清洁工位、绷楦定型工位、喷涂填充剂工位、第一烘干工位、喷全身光亮剂工位、第二烘干工位、喷头尾光亮剂工位、第三烘干工位、充蜡和抛光工位、打磨帮脚和刷灰工位、大底上料工位、刷帮脚处理剂工位、刷大底处理剂工位、第四烘干工位、鞋帮刷一遍胶工位、大底刷一遍胶工位、第五烘干工位、鞋帮刷二遍胶工位、大底刷二遍胶工位、第六烘干工位、大底粘合工位、大底压合工位、冷定型工位、脱楦工位、子口打胶工位、装附件工位、擦鞋乳工位、抛光工位。该产线工位布置合理，适于进行自动化生产，能够减少人工作业，保证生产质量，降低人工成本。
Patent WO-2022099502-A1 (WO)
Inventor: DENG HONGJUN
IPC: H01P1/18
Filed: 2020-11-11
Abstract: Embodiments of the present disclosure relate to a phase shifter and an antenna device. The phase shifter comprises a chassis, a sliding assembly and a driving component. The chassis comprises a first electrical connection component and a second electrical connection component. The first and second electrical connection components are spaced apart from one another. The sliding assembly comprises a first electrical member and a second electrical member. The first and second electrical members are separated from one another and having different lengths. The driving component is configured to drive the sliding assembly to selectively couple one of the first and second electrical members to the first and second electrical connection components of the chassis. The example embodiments of the present disclosure can implement a phase shifter and an antenna device with increased accuracy and reduced cost.
Patent WO-2022032924-A1 (WO)
Inventor: YANG MENG
IPC: H05K5/02
Filed: 2020-11-23
Abstract: Disclosed are a housing with a built-in antenna, and a preparation method therefor. The housing with a built-in antenna comprises a housing, the housing comprising a first injection-molded layer and a hardware part, wherein the first injection-molded layer is formed on an outer edge of the hardware part by means of injection molding; the first injection-molded layer comprises an outer surface and an inner surface; a communication structure is arranged on the first injection-molded layer; a first roughened layer is arranged on an outer end face of the communication structure and the outer surface of the first injection-molded layer, which surrounds the outer end face; a first conductive layer is arranged on the first roughened layer, and the first conductive layer is formed by means of carrying out metal spraying on the first roughened layer; a second injection-molded layer is arranged on the first conductive layer and the outer surface of the first injection-molded layer, which surrounds the first conductive layer; and a contact structure is arranged on an inner end face of the communication structure. The present invention has the advantages of being able to guarantee the yield, a low reject ratio, a low cost, easy machining operation, a stable structure, resistance to impact and dropping, etc.
Patent WO-2022073288-A1 (WO)
Title: 电路板的钻孔方法及电路板的钻孔机
Inventor: YUAN JI
IPC: B23B35/00
Filed: 2020-11-26
Abstract: 一种电路板(30)的钻孔方法及电路板的钻孔机，电路板的钻孔方法包括：在第一阶段，控制钻刀（22）和压力脚（21）同时加速运动至速度为第一速度V1；在第二阶段，控制钻刀和压力脚同时减速运动至钻刀和压力脚的速度为第二速度V2，压力脚触碰待钻孔电路板，并压紧待钻孔电路板；在第三阶段，控制钻刀减速运动至第三速度V3时，钻刀触及待钻孔电路板；在第四阶段，控制钻刀以第三速度V3运动第一距离S1；在第五阶段，控制钻刀加速运动至钻刀的速度为第四速度V4，并以第四速度V4匀速运动；在第六阶段，控制钻刀减速运动至钻刀的速度为0m/min时，钻刀钻至待钻孔电路板的钻孔截止点，完成对待钻孔电路板的钻孔行程。
Patent WO-2021243985-A1 (WO)
Title: 天气预报视频的生成方法、装置、电子设备及存储介质
Inventor: Chang Yibiao
IPC: G06F16/29
Filed: 2020-11-30
Abstract: 一种天气预报视频的生成方法、装置、电子设备及存储介质，涉及人工智能的智能推荐领域。所述方法为：基于地理区域，获取地理区域的天气预报信息（S101）；挖掘视频风格（S102）；参考天气预报信息以及视频风格，生成天气预报视频（S103）。通过采用上述方法生成天气预报视频，可以采用视频的方式展示天气预报，丰富网络平台中天气预报的形态，增强天气预报展示方式的灵活性。而且，可以参考天气预报信息以及视频风格，生成各种视频风格的天气预报视频，满足各种视频风格喜好的用户的需求，提高用户体验，增强用户的粘性。
Patent WO-2021115257-A1 (WO)
Inventor: MA YAHUI
IPC: G06F9/48
Filed: 2020-12-08
Abstract: An application switching method and apparatus, a storage medium and an electronic device. The method comprises: when receiving an application switching request (101), a co-processor determines, according to the application switching request, first data required for running a target application (102), and sends a data acquisition request to an application processor and receives the first data sent by the application processor (103); the co-processor calls a stored target preset code of the target application in common firmware (104), and runs the target application on the basis of the target preset code and the first data (105).
Patent WO-2022116245-A1 (WO)
Inventor: LYU GUOCHAO
IPC: F26B21/08
Filed: 2020-12-10
Abstract: Dispositif de séchage de capsule molle comprenant une chambre de séchage (10) et une chambre de dispositif de séchage (20). La chambre de séchage (10) comprend une première partie de séchage (11) et une seconde partie de séchage (12) ; chaque partie de séchage (11, 12) comprend deux cavités indépendantes (121) qui sont reliées de bout à bout ; chaque cavité de séchage (121) comprend deux cages rotatives (122) qui sont reliées de bout à bout et peuvent fonctionner indépendamment ; les cages rotatives (122) sont en communication avec un dispositif de transport pneumatique (321) pour transporter une capsule molle ; une structure permettant de simultanément sécher les capsules molles dans de multiples groupes est constituée ; les parties de séchage (11, 12) et les cages rotatives (122) sont réparties dans un réseau à double rangée ; une cavité (140) formée par une plaque de séparation (130) est formée entre les parties de séchage (11, 12) ; et des orifices d'évacuation d'air (131), des entrées d'air (133) et un orifice de trop-plein d'air (132) sont formés sur la partie supérieure de la plaque de séparation (130) de façon à former une base de structure d'état pour l'écoulement d'air froid.
Patent WO-2021115425-A1 (WO)
Inventor: YU CHENGWU
IPC: A61K31/506
Filed: 2020-12-11
Abstract: L'invention concerne une composition pharmaceutique contenant un sel pharmaceutiquement acceptable du composé de formule I, un diluant, un délitant et un lubrifiant. La composition pharmaceutique peut se dissoudre extrêmement rapidement, présente une biodisponibilité médicamenteuse élevée et une qualité stable. De plus, la composition pharmaceutique peut être préparée par un procédé de remplissage de poudre directe, qui est approprié pour une production industrielle.
Patent WO-2022133873-A1 (WO)
Inventor: Chen kenji
IPC: G06F9/445
Filed: 2020-12-24
Abstract: An apparatus to facilitate firmware fault tolerance in a computer system platform is disclosed. The apparatus comprises a non-volatile memory to store firmware for a computer system platform, wherein the firmware comprises a primary boot region including boot code, and a backup boot region including a backup copy of the boot code, a plurality of registers to store addresses associated with the primary boot region and the backup boot region and update hardware to perform an update of the primary boot region and access the registers to perform a platform boot upon determining that the update has been interrupted.
Patent WO-2022121053-A1 (WO)
Title: Dispositif d'entraînement de lentille
Inventor: Ni tianheng
IPC: G02B7/02
Filed: 2020-12-31
Abstract: L'invention concerne un dispositif d'entraînement de lentille (100), comprenant : un cadre de fixation (1) ; un premier cadre de support (2) emmanché sur le cadre de fixation (1) ; un second cadre de support (3) emmanché sur le premier cadre de support (2) ; un ensemble rotatif (4) configuré pour permettre au cadre de fixation (1) pour tourner par rapport au premier cadre de support (2) dans la première direction et permettre au premier cadre de support (2) à tourner par rapport au second cadre de support (3) dans la seconde direction ; un acier magnétique anti-tremblement (5) et une bobine anti-tremblement (6) configurées pour entraîner conjointement le cadre de fixation (1) pour dévier ; une carte de circuit imprimé flexible (7) électriquement connectée à la bobine anti-tremblement (6) ; un premier élément de support élastique (8) configuré pour relier élastiquement le cadre de fixation (1) au premier cadre de support (2) et fournir une force de rappel rotative pour le cadre de fixation (1) pour tourner par rapport au premier cadre de support (2) dans la première direction ; et un second élément de support élastique (9) configuré pour relier élastiquement le premier cadre de support (2) au second cadre de support (3) et fournir une force de rappel rotative pour le premier cadre de support (2) pour tourner par rapport au second cadre de support (3) dans la seconde direction. Le dispositif d'entraînement de lentille (100) est flexible en réponse et présente une sensibilité élevée.
Patent WO-2021196806-A1 (WO)
Inventor: HU ZONGWANG
IPC: G06Q20/20
Filed: 2020-12-31
Abstract: The embodiments of the present specification provide a payment code display method, a payment device and an electronic device. The payment code display method comprises: the payment device scanning a graphic code set for a collection device, wherein the graphic code comprises information of at least one code system supported by the collection device; the payment device determining a target code system from the at least one code system supported by the collection device and indicated by the graphic code; and the payment device displaying a payment code of the target code system, wherein the payment code is used for paying the collection device.
Patent WO-2022147737-A1 (WO)
Title: A method for notification of disaster condition
Inventor: WANG MENGHAN
IPC: H04W48/18
Filed: 2021-01-08
Abstract: Method, device and computer program product for wireless communication are provided. A method includes: receiving, by a wireless communication terminal, a disaster indication from a wireless communication node; wherein the disaster indication indicates at least one of a disaster condition applying to a first Public Land Mobile Network, PLMN, or a second PLMN accepting Disaster Inbound Roamers from the first PLMN.
Patent WO-2021169641-A1 (WO)
Title: 人脸识别方法和系统
Inventor: ZHU JINXIANG
IPC: G06K9/00
Filed: 2021-01-12
Abstract: 一种人脸识别方法、人脸识别系统、计算机设备及计算机可读存储介质，该方法包括：获取包括人脸信息的待识别图像（S100）；通过人脸特征提取模型提取所述待识别图像中的人脸特征，其中，所述人脸特征提取模型包括目标区块序列，所述目标区块序列包括一个或多个目标区块，每个目标区块包括深度可分离卷积结构和注意力结构（S102）；根据所述人脸特征，对所述待识别图像执行人脸识别操作（S104）。本方法实现了存储和运算优化，具有硬件资源耗费较少且具有高识别精确度的技术效果。
Patent WO-2022150971-A1 (WO)
Inventor: LI AI
IPC: F04D29/00
Filed: 2021-01-12
Abstract: A fan with a lamp triangle bracket, comprising a fan body (1) comprising: a fan head (11), a fan blade (12), and a fan blade guard (13), a mounting recess being provided at the edge of the fan blade guard (13) distant from one side of the fan head (11), and an LED lamp (2) for lighting being embedded in the mounting recess; a foldable triangle bracket (3) detachably assembled on the fan head (11) and used for supporting the fan body (1); and a disassembly structure (4) having one part arranged on the fan head (11), and the other part arranged on the foldable triangle bracket (3). The fan has a lighting function, and the foldable triangle bracket makes it convenient to carry the fan and reduce space.
Patent WO-2021218262-A1 (WO)
Inventor: GUO JIAXING
IPC: F24F13/02
Filed: 2021-01-29
Abstract: An aroma assembly (2) and an air conditioner having same. The aroma assembly (2) comprises a casing (21), at least one mounting position is provided in the casing (21), at least one aroma module is provided in each mounting position, and the aroma module comprises a mounting member for holding aroma materials. The aroma assembly (2) comprises a drive transmission mechanism (26) connected to the aroma module, and by means of the drive transmission mechanism (26), the aroma module is enabled to be movably provided in the mounting position. When the aroma module moves to a target position, at least the position of a communication structure on the mounting member is located in an air supply channel in the casing (21), so that the aroma of the aroma materials can enter a target space through the communication structure. By enabling different aroma modules to move to the communication structure located in the air supply channel, rich requirements of users can be met.
Patent WO-2022170534-A1 (WO)
Title: Radiotherapy system
Inventor: LI JINSHENG
IPC: A61N5/10
Filed: 2021-02-09
Abstract: The present application relates to the field of medical equipment, and discloses a radiotherapy system. The radiotherapy system comprises a treatment couch, a gantry, a treatment head coupled to the gantry, and a control mechanism; the control mechanism is configured to synchronously move the treatment couch in the axial direction of the gantry while rotating the gantry. In this way, a multi-arc helical intensity modulated treatment mode can be formed, thereby achieving the effect of helical treatment. Thus, the treatment time can be reduced, and the treatment range can be expanded to treat any part of the patient and tumors of any size.
Patent WO-2021196913-A1 (WO)
Title: 一种终端参数更新的保护方法和通信装置
Inventor: LI FEI
IPC: H04W48/18
Filed: 2021-02-22
Abstract: 本申请公开了一种终端参数更新的保护方法和通信装置，该方法包括：UDM向第一AUSF发送保护请求消息，之后，UDM接收第一AUSF发送的该保护请求消息的响应消息，并通过第一服务网络对应的AMF发送终端的参数更新信息；该保护请求消息用于请求保护终端的参数更新信息，该保护请求消息携带终端的参数更新信息和第一服务网络信息。由于保护请求消息中携带第一服务网络信息，可使得第一AUSF选择与第一服务网络对应的第一密钥对终端的参数更新信息进行加密保护。这样即使在终端通过多个服务网络注册到归属网络的情况下，也能明确第一AUSF采用哪个密钥，保证终端成功校验HPLMN通过AMF发送的终端的参数更新信息。
Patent WO-2022021865-A1 (WO)
Inventor: XIAO JIWEI
IPC: G06F16/22
Filed: 2021-02-23
Abstract: A data structure tree verification method, apparatus, and device, and a storage medium. The method comprises the following steps: compiling statistics on data structure trees in a data volume; determining whether an unverified target data structure tree is present among the data structure trees; if an unverified target data structure tree is present, calling a thread to perform a verification operation on the target data structure tree, the total number of threads being greater than one, and a unique correspondence existing between the target data structure tree and the thread; and performing a step of determining whether an unverified target data structure tree is present among the data structure trees. The present method relatively ensures the overall efficiency of performing a verification process on data structure trees in a data volume. In addition, further provided by the present application are a data structure tree verification apparatus and device, and a storage medium, and the beneficial effects are the same as those described above.
Patent WO-2021238341-A1 (WO)
Inventor: ZHANG JIAN
IPC: G06F16/23
Filed: 2021-03-15
Abstract: 一种数据库中数据更新方法、装置和电子设备，涉及云计算技术领域，包括：获取对数据库中的目标数据页执行读写操作时生成的数据读写指令(S202)；在获取到所述数据读写指令之后，判断所述目标数据页是否满足数据更新条件(S204)，其中，所述数据更新条件为对所述目标数据页中的数据内容进行更新的条件；若所述目标数据页满足所述数据更新条件，则对所述目标数据页中的数据内容进行更新(S206)。解决通过现有的技术方案对数据库中的数据进行变更时效率较慢的技术问题。
Patent WO-2021232911-A1 (WO)
Title: Mobile terminal
Inventor: CHEN JIAWEI
IPC: H04N5/225
Filed: 2021-03-17
Abstract: Embodiments of the present application provide a mobile terminal, comprising a camera and a light supplement module. The light supplement module comprises a light supplement light source, and a light guide member having a first receiving port. A plane perpendicular to an optical axis of the camera is a projection plane. The projection of the end face of the end of the camera close to an object side on the projection plane is located in the projection of the first receiving port on the projection plane. The end of the light guide member close to the object side has a plurality of protrusions provided at intervals. Each of the protrusions comprises a reflective surface and a light exit surface corresponding to the reflective surface. Light rays of the light supplement light source enter the light guide member. Some of the light rays of the light supplement light source are reflected to the corresponding light exit surface by the reflective surface and are guided to a field of view of the camera by means of the corresponding light exit surface. The mobile terminal of the embodiments of the present application can provide sufficient lighting for a field of view of a camera in a close-range photographing mode, and thus can clearly photograph an object to be photographed in the field of view.
Patent WO-2021197115-A1 (WO)
Title: 天线调谐方法、装置、电子设备和网络侧设备
Inventor: WANG HUI
IPC: H04B1/18
Filed: 2021-03-23
Abstract: 一种天线调谐方法、装置、电子设备和网络侧设备，天线调谐方法中，电子设备确定N个天线，N≥2，根据N个天线中每个天线的调谐状态，生成N个天线的调谐状态组合，使用N个天线依次在各调谐状态组合下发射上行信号，接收网络侧设备发送的调谐状态组合的接收质量，判断一调谐状态组合的接收质量满足预设条件时，结束使用N个天线依次在各调谐状态组合下发射上行信号的步骤，将N个天线的调谐状态设置为一调谐状态组合中的调谐状态。本申请能够对电子设备中的天线进行快速调谐，使得电子设备与网络侧设备之间达到更好的通信质量。
Patent WO-2021180244-A1 (WO)
Title: Disease risk prediction system, method and apparatus, device and medium
Inventor: Chen tiange
IPC: G16H50/30
Filed: 2021-03-30
Abstract: A disease risk prediction system, method and apparatus, a device and a storage medium, which are applied to the field of medical technology. The disease risk prediction system comprises a risk prediction device (101) and a storage device (102), the storage device being used for storing diagnosis and treatment data of a user, and the risk prediction device being used for executing the following steps: acquiring diagnosis and treatment data corresponding to a target disease of a plurality of users (201); determining, according to the diagnosis and treatment data, a plurality of first risk factors corresponding to the target disease (202); screening a plurality of second risk factors from the plurality of first risk factors according to a target function including the 2-norm of the plurality of first risk factors, and determining coefficients of the screened second risk factors, so as to determine a risk prediction model, the coefficients being integers determined from an integer set (203); and acquiring target diagnosis and treatment data of a target user (204). The risk prediction model is invoked to determine a risk prediction result of the target user for the target disease, which helps to improve the prediction effect of disease risks.
Patent WO-2022110597-A1 (WO)
Inventor: HAN YALING
IPC: A61G3/00
Filed: 2021-03-31
Abstract: An ambulance-type mobile catheter room for cardiovascular interventional surgery, comprising an ambulance, an antibacterial internal environment being provided within the ambulance; a robotic angiography machine system; a wireless medical Internet of Things system; a self-generating system; and an auxiliary system. By means of quick, flexible and adaptable deployment of a cardiovascular emergency and critical intervention diagnosis and treatment device, a hardware device is provided for cardiovascular diagnosis and treatment intervention surgery personnel to promptly diagnose and treat patients.
Patent WO-2022217617-A1 (WO)
Title: Methods and apparatus for ul tx switching of multiple tx cases
Inventor: GAAL PETER
IPC: H04W72/04
Filed: 2021-04-17
Abstract: The present disclosure relates to methods and devices for wireless communication including an apparatus, e.g., a UE and/or base station. The apparatus may determine an UL Tx switching procedure including a plurality of switching cases, the UL Tx switching procedure associated with one or more Tx chains and/or one or more antenna ports, at least one of the one or more Tx chains or the one or more antenna ports corresponding to one or more CCs. The apparatus may also configure at least one of the one or more Tx chains or the one or more antenna ports associated with a target switching case of the plurality of switching cases. Further, the apparatus may transmit at least one UL transmission based on the configured at least one of the one or more Tx chains or the one or more antenna ports associated with the target switching case.
Patent WO-2021244245-A1 (WO)
Inventor: WEN HUI
IPC: H05K1/02
Filed: 2021-05-12
Abstract: Disclosed in the embodiments of the present disclosure are a flexible circuit board and a manufacturing method therefor, and a related device. The flexible circuit board comprises: a substrate layer; a first conductive layer; a second conductive layer; a first cover film located on the side of the first conductive layer facing away from the substrate layer, the part of the first cover film that overlaps a first conductive portion having a plurality of first hollow portions; a second cover film located on the side of the second conductive layer facing away from the substrate layer, the part of the second cover film that overlaps a second conductive portion having a plurality of second hollow portions, and the orthographic projection of each first hollow portion on the substrate layer having an overlapping area with at least the orthographic projection of a second hollow portion on the substrate layer; a first electromagnetic shielding layer located on the side of the first cover film facing away from the substrate layer, the first electromagnetic shielding layer being coupled to the first conductive portion by means of the first hollow portions; and a second electromagnetic shielding layer located on the side of the second cover film facing away from the substrate layer, the second electromagnetic shielding layer being coupled to the second conductive portion by means of the second hollow portions.
Patent WO-2022007515-A1 (WO)
Inventor: HUANG HONGDONG
IPC: F16C11/04
Filed: 2021-05-24
Abstract: 一种转轴装置以及电子设备，转轴装置包括第一转动机构（10）以及第二转动机构（30），第一转动机构包括第一棘盘（12）和与第一棘盘相啮合的第一棘齿（14）；第一棘齿可相对第一棘盘沿第一旋转方向转动，第一棘齿和第一棘盘之间的啮合结构使第一棘齿相对第一棘盘在第二旋转方向上止转，第二旋转方向与第一旋转方向相反；第二转动机构与第一转动机构同轴设置，并包括第二棘盘（32）和与第二棘盘相啮合的第二棘齿（34）；第二棘盘与第一棘齿止转连接，第二棘齿可相对第二棘盘沿第二旋转方向转动，第二棘齿和第二棘盘之间的啮合结构使第二棘齿相对第二棘盘在第一旋转方向上止转。该转轴装置可以实现在旋转方向上的多个角度定位维持，并且啮合结构不易磨损、啮合稳定。
Patent WO-2022077916-A1 (WO)
Inventor: LUO YULONG
IPC: G06F16/22
Filed: 2021-05-28
Abstract: 一种数据处理系统，该数据处理系统包括区块链系统和数据库系统，区块链系统包括出块节点和区块链管理设备，数据库系统包括数据库管理设备。区块链管理设备接收一个或多个区块，每个区块承载多条交易数据；向数据库管理系统发送多条SQL语句，每条SQL语句包括一条交易数据以及一条交易数据的区块号和交易号，数据库管理系统存储交易数据，并存储交易数据的多个属性信息；向区块链管理设备返回指示交易数据已存储的消息。区块链管理设备还用于：根据第一交易数据的区块号和交易号，验证第一交易数据。该方法采用先写入交易数据，然后再验证的方式，可以提高交易数据向数据库管理系统的写入速度。
Patent WO-2022083143-A1 (WO)
Title: 一种自动上料弯管机及其使用方法
Inventor: YANG ZHIWEI
IPC: B21D43/00
Filed: 2021-06-15
Abstract: 一种自动上料弯管机，包括第一工作台(1)与第二工作台(2)，第一工作台上设置有送料装置(3)，送料装置的上方设置有挤压装置(4)，送料装置的下方设置有滑动装置(5)，第一工作台与第二工作台的连接处设置有限位装置(6)，限位装置与第一工作台和第二工作台之间为可拆卸设置，第二工作台上设置有弯管架(7)，弯管架的下方设置有驱动装置(8)，驱动装置与弯管架之间通过转轴(9)传动连接，还公开了一种自动上料弯管机的使用方法，该自动上料弯管机操作简单，自动化上料，节省人力，能够提高工作效率和安全性。
Patent WO-2022001744-A1 (WO)
Inventor: ZHENG HANQING
IPC: B25F5/00
Filed: 2021-06-22
Abstract: An electric tool, comprising an output assembly, which is arranged at an end of a first handle and comprises at least two output units arranged at intervals, with the output units being used for connecting to a working accessory. The output assembly can rotate about a switching axis, so as to switch the output units to a working position or a non-working position. A battery pack is arranged at the bottom of a machine body and comprises a standing face. The electric tool can stand by means of the standing face. When the electric tool stands, the projection of the center of gravity of the electric tool towards the standing face is located in the standing face.