baber/WOPTO huggingface dataset:
Patent WO-2020062379-A1 (WO)
Inventor: WANG YONGJIN
IPC: H01L31/0352
Filed: 2018-10-25
Abstract: A floating p-n junction quantum well-based series array energy system and a preparation method. A system implementation carrier is a silicon-based nitride wafer, and a silicon substrate layer (1) under a device structure is stripped off and removed by using the back deep silicon etching technology to obtain floating p-n junction quantum well devices; a SiO 2  layer (6) is used as an isolation layer, and multiple devices are integrated in a series array form. According to the system, multiple devices are integrated on the same chip in a series array form, electrodes are connected in series by means of vapor plating of a metal layer (10) inside the chip, and the devices can be connected in series in the microscopic level. The floating p-n junction quantum well device is taken as a photo detector, where light energy can be converted into electric energy and is taken as one kind of renewable energy, and the form of connecting the devices in series can greatly improve the energy conversion rate. The floating p-n junction quantum well device can be taken as an LED light source, and converted energy is supplied for self-lightening, thereby achieving self-sufficiency of energy.
Patent WO-2019128433-A1 (WO)
Title: 无线通信方法及相应的通信设备
Inventor: WANG JING
IPC: H04W24/04
Filed: 2018-10-26
Abstract: 提供了一种无线通信方法及相应的通信设备。该无线通信方法包括第一通信设备向第二通信设备发送第一信息，其中，所述第一信息包括飞行用户终端的标识信息。该第一通信设备包括发送单元，其被配置为向第二通信设备发送第一信息，其中，所述第一信息包括飞行用户终端的标识信息。该第二通信设备包括接收单元，其被配置为从第一通信设备接收第一信息，其中，所述第一信息包括飞行用户终端的标识信息。
Patent WO-2020087373-A1 (WO)
Title: Compensation method and apparatus for battery voltage, and terminal device
Inventor: XING GUANGMING
IPC: G01R31/36
Filed: 2018-10-31
Abstract: The present application provides a compensation method and apparatus for battery voltage, and a terminal device. Battery power can be calculated accurately by calculating smooth voltage, without collecting the charge and discharge current of a battery. In scenarios in which battery power is false high or false low, the battery power can be accurately calculated on the basis of the obtained smooth voltage, so that the power displayed is more accurate. The method is applicable to a terminal device comprising a battery. The method comprises: a terminal device obtains acquired voltage, V T acquisition , of a battery at the Tth time point; the terminal device determines actual compensation voltage at the Tth time point according to the smoothed voltage, V T-1 smoothing , at the T-1th time point and the acquired voltage, V T acquisition ; the terminal device uses the actual compensation voltage at Tth time point to compensate for the acquired voltage, V T acquisition , at the Tth time point to obtain a compensated voltage value; the terminal device performs smoothing processing using the compensated voltage value and the smoothed voltage values at the first N time points of the Tth time point to obtain the smoothed voltage, V T smoothing , at the Tth time point.
Patent WO-2020087616-A1 (WO)
Inventor: HUANG SHISHUAI
IPC: G02F1/1333
Filed: 2018-11-29
Abstract: Disclosed are a display panel, a display apparatus and a manufacturing method. The display panel comprises multiple first pixels and multiple second pixels, wherein the color of the first pixels is different from the color of the second pixels; and the first pixels are configured to be a high-domain region, the second pixels are configured to be a low-domain region, the number of alignment regions of the high-domain region is greater than the number of alignment regions of the low-domain region, and the brightness of the first pixels is higher than the brightness of the second pixels.
Patent WO-2019120056-A1 (WO)
Inventor: SHAO JIANSONG
IPC: F26B21/02
Filed: 2018-11-29
Abstract: 一种模块化烘箱结构及隧道式烘箱。模块化烘箱结构包括机架和风道结构（1），机架内设置有隧道进风室（15）、隧道回风室（12）以及隧道烘干室（11），隧道烘干室（11）的上方设置有风机进风室（13），风机进风室（13）内设置有加热器（2）；风机进风室（13）与机架的顶部之间设置有风机出风室（14）；机架的顶部设置有循环风机（3），循环风机（3）的进风口与风机进风室（13）的顶部相连通；模块化烘箱结构还包括温度控制系统（5）和控制装置，温度控制系统（5）包括若干个温度传感器（51），温度传感器（51）设置在隧道进风室（15）和/或隧道回风室（12）内；温度传感器（51）的输出端连接控制装置，控制装置的输出端与加热器（2）的控制信号输入端和循环风机（3）的控制信号输入端连接。
Patent WO-2020103181-A1 (WO)
Title: 充电消毒底座及控制电路
Inventor: WU JIANHUI
IPC: A61L2/10
Filed: 2018-11-30
Abstract: 本申请公开了一种充电消毒底座及控制电路，充电消毒底座包括中空结构的壳体，壳体设有用电设备插入的插入口，在壳体的内侧壁设有用于对用电设备充电的充电装置，在壳体的内侧壁设有消毒杀菌装置，在壳体底部设有PCB板，充电装置和消毒杀菌装置分别与PCB板电连接；控制电路用于控制充电消毒底座充电和杀菌的电路。它的优点是充电和杀菌同时进行，工作效率高；用电设备的刷头从上开口向插入壳体内，充电装置便对用电设备的充电接收线圈充电；同时PCB板会自动启动消毒杀菌装置工作，可对用电设备的刷头杀菌，PCB板可采用自动识别开始、定时的方式进行消毒杀菌，定时结束，自动断电。整个过程全自动完成。
Patent WO-2019141005-A1 (WO)
Title: Light supplement lamp and camera equipment
Inventor: CHENG GUANGWEI
IPC: H04N5/225
Filed: 2018-11-30
Abstract: The present application relates to a monitoring technology field, and provides a light supplement lamp and a camera equipment. The light supplement lamp comprises a rotatory sleeve, lens, a lamp body, a fixing sleeve and a driving device. The fixing sleeve cover is sleeved within the rotatory sleeve; The lens is provided at one end of the fixing sleeve, and the lens comprises Fresnel lens; The lamp body is provided in fixing sleeve, and the lamp body is provided with visible light source and/or infrared light source; The rotatory sleeve is respectively connected to the driving device and the lamp body; The rotatory sleeve is configured to drive the lamp body under the driving of the driving device to move the lamp body closer to or away from the lens within the positioning sleeve. A light emitting angle of the light supplement lamp is continuously adjustable.
Patent WO-2020056998-A1 (WO)
Inventor: WANG SHENGQI
IPC: C12Q1/68
Filed: 2018-12-28
Abstract: The present application relates to the field of biochip detection apparatus, and in particular to a fully automated biochip workstation and a detection method using same. Biochip detection apparatus comprises a cavity for carrying a test tube vial, the test tube vial being used for accommodating a sample to be detected and a biochip, the cavity having a temperature control function; a liquid storage device for storing liquid; a pumping device for pumping the liquid in the liquid storage device to the test tube vial, the pumping device being in fluid communication with a separation needle for injecting a mixed liquid into the test tube vial; an imaging device for monitoring the chip state in the test tube vial; and a data processing device configured to acquire hybridization results on the basis of information about a biochip state acquired by the imaging device. The biochip workstation provided in the present application implements the integration of biochip reactions and the output of detection results, improves the processing efficiency of samples, saves manpower, and has more stable and reliable results.
Patent WO-2020007011-A1 (WO)
Inventor: SONG YU
IPC: H04L29/08
Filed: 2018-12-28
Abstract: 本公开实施例公开了一种分享个人信息的方法、装置、终端设备及存储介质。该方法包括：获取个人信息分享指令；根据所述个人信息分享指令所针对用户的用户属性，获取待分享的个人信息；根据所述个人信息，生成至少两种分享形式；显示所述至少两种分享形式的选择页面，并基于用户的选择指令，确定分享形式。
Patent WO-2020124681-A1 (WO)
Title: 基于大耳蝠双耳廓仿生声呐的目标定位装置及方法
Inventor: MA XIN
IPC: G01S7/527
Filed: 2018-12-29
Abstract: 本发明公开了基于大耳蝠双耳廓仿生声呐的目标定位装置及方法，基于蝙蝠仿生耳的回声定位装置，使用两个阵元获取的回声就能确定到目标的方位角和俯仰角，定位到目标所在的空间位置，解决了使用双阵元天线无法定位到空间坐标的问题。本发明所述的基于蝙蝠仿生耳的定位方法，根据蝙蝠耳的滤波特性，使用了神经网络估计空间位置的方法，并且使用了脉冲串估计方法减小了估计角度的误差，得到了精确的方位角和俯仰角。
Patent WO-2019200971-A1 (WO)
Title: Polar code decoding method and communication device
Inventor: LI BIN
IPC: H04L1/00
Filed: 2018-12-29
Abstract: Disclosed are a polar code decoding method and a communication device. The method comprises: acquiring a sequence to be decoded, wherein the length of the sequence to be decoded is N, and N is a positive integer; carrying out successive cancellation-list (SC-List) decoding on the sequence to be decoded to obtain L first paths and a weighted value of each path of the L first paths, wherein L is a positive integer, each path of the L first paths comprises M bits, and M is a positive integer less than or equal to N; calculating a soft bit value of a first-stage decoded sequence according to the L first paths and the weighted value of each path of the L first paths, wherein the length of the first-stage decoded sequence is P, and P is a positive integer less than or equal to M; and decoding the soft bit value of the first-stage decoded sequence to obtain a decoding result. By means of the implementation of the present application, the soft bit output can be satisfied, and a high decoding performance can also be ensured.
Patent WO-2019144785-A1 (WO)
Title: Settlement apparatus and control method therefor
Inventor: ZHANG HONG
IPC: G06K19/07
Filed: 2019-01-02
Abstract: Provided are a settlement apparatus and a control method therefor. The apparatus comprises: a housing, wherein a receiving box having an opening at an upper end is provided in the housing, a cover plate capable of opening and closing the opening is provided on the housing, and when the cover plate closes the opening, the receiving box forms an enclosed space, the constituent materials of the cover plate and the housing comprising a metal material, so that the enclosed space is an electromagnetic shielding space; an RFID reading unit comprising an RFID reader and an RFID antenna, which are connected to each other, wherein the RFID antenna is provided on an inner wall of the enclosed space formed by the receiving box, and the RFID reader reads, by means of the RFID antenna, an RFID tag of a commodity to be settled; a decoder for performing decoding processing on an anti-theft tag of the commodity to be settled, the decoder being provided on the inner wall of the enclosed space formed by the receiving box; and a controller connected to the RFID reading unit and the decoder, wherein the controller is used to control the RFID reading unit to read the RFID tag and provide settlement information according to a reading result, and control the decoder to decode the anti-theft tag according to a payment operation of a user with regard to the settlement information.
Patent WO-2019134638-A1 (WO)
Title: 信息处理方法、终端、装置及存储介质
Inventor: TANG ZHENGBO
IPC: H04M1/72484
Filed: 2019-01-02
Abstract: 本发明提供了一种终端、信息处理方法及装置、存储介质、处理器。该终端包括：设置模块（20）和隐私保护模块（22），其中，所述设置模块（20）中设置有第一级开关（200）和第二级开关（202），在第一级开关（200）开启的情况下，终端的显示模式被设置为双屏镜像模式，第二级开关（202）设置为在第一级开关（200）开启的情况下，开启或关闭隐私保护功能；所述隐私保护模块（22）与第二级开关（202）连接，并设置为在第二级开关（202）开启的情况下，基于隐私保护功能对终端的隐私信息进行保护处理。
Patent WO-2020107692-A1 (WO)
Inventor: SHI CONG
IPC: H04W72/14
Filed: 2019-01-21
Abstract: 本申请实施例涉及一种无线通信方法和通信设备，该方法包括：若多个动态调度的资源授权具有重叠部分，确定在重叠部分传输数据的第一资源授权，该多个资源授权包括该第一资源授权；在重叠部分，利用第一资源授权传输数据。本申请实施例的无线通信方法和通信设备，可以实现在重叠部分的数据传输。
Patent WO-2019154070-A1 (WO)
Inventor: ZHANG YANG
IPC: B60L9/00
Filed: 2019-01-22
Abstract: 一种轨道交通车辆的充电控制方法，轨道交通车辆包括用于为车辆供电的储能装置和充电刀（20），充电控制方法包括如下步骤：当车辆到站时，控制充电刀（20）伸出并与设置在轨道上的充电轨（300）电连接，其中，充电轨（300）与站台的供电设备电连接；控制供电设备通过充电刀（20）为储能装置充电；当车辆离站时，控制车辆的充电刀（20）断开与充电轨（300）的连接。还提供了一种用于轨道交通车辆的充电控制系统。
Patent WO-2020048096-A1 (WO)
Title: Liquid acquisition device
Inventor: WANG LIPING
IPC: A61B10/00
Filed: 2019-02-28
Abstract: A liquid acquisition device comprises a handle (1), an absorber (2) fixedly connected to the handle (1), and an indication portion (3) disposed on the handle (1) and/or the absorber (2). The indication portion (3) comprises a fiber (31) and an indication core (32); an identification portion is provided on the peripheral surface of the indication core (32); the fiber (31) completely or partially covers the identification portion of the indication core (32). The fiber (31) is connected to the absorber (2); when the liquid acquired by the absorber (2) is transferred to the fiber (31), the transparency of the fiber (31) increases with the increase of the amount of absorbed liquid.
Patent WO-2019166025-A1 (WO)
Inventor: CHEN YANLONG
IPC: E21D15/59
Filed: 2019-03-12
Abstract: L'invention porte sur un dispositif de pré-serrage et levage de support continu d'un étançon mécanique unique à résistance constante, composé structurellement d'un dispositif de levage de support continu (17), d'un système de mise sous pression, d'une conduite d'alimentation en huile et d'une unité de surveillance. Le dispositif de levage de support continu (17) est un composant central, comprenant un vérin hydraulique (1), un anneau de manchon de serrage de cylindre de support (7) et un anneau de manchon de serrage de tige de support (8). La bague de manchon de serrage de tige de support (8) est reliée de manière fixe à une tige de piston (9) du vérin hydraulique au moyen d'un siège de culasse (15), et la bague de manchon de serrage de cylindre de support (7) est reliée de manière fixe à un corps cylindrique du vérin hydraulique (1). Lors de la mise sous pression continue du système de mise sous pression, une cohésion se produit entre le dispositif de levage de support continu et une tige de support, de telle sorte que la tige de support d'un étançon unique est soulevée pour venir en contact avec une plaque supérieure et fournir une force de pré-serrage. L'invention concerne en outre un procédé de pré-serrage et levage de support continu d'un étançon mécanique unique à résistance constante. Selon le dispositif et le procédé de pré-serrage, la tige de piston du dispositif de levage de support continu est commandée pour effectuer une extension, un arrêt et une rétraction par réglage du système de mise sous pression. Le dispositif présente une structure simple et est facile à utiliser. Il peut mettre en œuvre un levage de support continu rapide de l'étançon unique et appliquer une force de pré-serrage élevée, de telle sorte qu'une résistance de travail constante élevée est fournie pour la commande de plaque supérieure, et la sécurité de support est ainsi assurée.
Patent WO-2020191662-A1 (WO)
Title: 显示基板的制造方法和处理装置
Inventor: Yuan de
IPC: G09G3/3208
Filed: 2019-03-27
Abstract: 本公开提供了一种显示基板的制造方法和处理装置，涉及显示技术领域。该显示基板包括至少一个发光器件。该制造方法包括：向显示基板施加电信号以产生流过发光器件的老化电流，其中，在向显示基板施加电信号的至少部分时间内对显示基板施加磁场。该磁场用于增大老化电流。本公开可以减小施加在显示基板的驱动薄膜晶体管的栅源电压，从而减轻该驱动薄膜晶体管的阈值电压漂移的问题。
Patent WO-2020093656-A1 (WO)
Title: Vehicle proportional valve pressure controller based on can bus, and communication method
Inventor: SHEN LEI
IPC: G05B23/02
Filed: 2019-04-17
Abstract: Disclosed are a vehicle proportional valve pressure controller based on a CAN bus, and a communication method, wherein a CAN module is provided on the vehicle proportional valve pressure controller, and the CAN module is connected to the CAN bus, and can be connected to a vehicle ECU through the CAN bus. Thus, by means of defining a CAN bus packet protocol of a proportional valve controller, communication with the vehicle ECU is carried out through the CAN bus based on the packet protocol. For communication technology between the vehicle proportional valve pressure controller and the vehicle ECU, in the communication method, the CAN bus is used to replace a PWM interface, thus the existing problem of current vehicle proportional valve pressure controllers based on a PWM communication mode is effectively overcome, and valuable PWM resources of the vehicle ECU can be further released.
Patent WO-2019223621-A1 (WO)
Inventor: LI TAO
IPC: G01S5/02
Filed: 2019-05-17
Abstract: 一种导航方法，包括接收第一信号源发送的第一无线信号（401），根据接收到的第一无线信号，确定移动终端的位置（402），根据电子地图、接收到的第一无线信号、移动终端的位置以及目标第一信号源，确定导航路线以进行导航（403）。还涉及一种导航系统。
Patent WO-2020007153-A1 (WO)
Title: Risk control model training method, apparatus and device, and risk control method, apparatus, and device for identifying reused telephone number account fraud
Inventor: MA RUI
IPC: G06Q20/40
Filed: 2019-06-04
Abstract: The embodiments of the present description disclose a risk control model training method, apparatus and device and a risk control method, apparatus, and device for identifying an occurrence of a reused telephone number account fraud. The solution comprises: acquiring transaction related data of a plurality of accounts; for a historical account transaction contained in the transaction related data, acquiring a qualitative tag of the account transaction, the qualitative tag indicating whether the account transaction corresponding thereto is a reused telephone number account fraud event; extracting, from the transaction related data, the following two types of risk characteristics of each said account transaction: user name consistency between an address book system to which a corresponding telephone number belongs and an account system, and telephone number consistency between a corresponding account and other accounts of the same identity; taking the acquired qualitative tag and the extracted risk characteristics as training data to train a supervised model, for identifying an occurrence of a reused telephone number account fraud; and using the trained supervised model to identify an occurrence of a reused telephone number account fraud.
Patent WO-2019238049-A1 (WO)
Title: Method and apparatus for acquiring address information
Inventor: MA JINGWANG
IPC: H04L29/12
Filed: 2019-06-11
Abstract: Provided are a method and apparatus for acquiring address information. The method comprises: a first terminal determining that a network element, which supports the type of a first NF, in a first network slice needs to be accessed; the first terminal sending the type of the first NF and information of the first network slice to a network storage network element, for acquiring address information of the network element, which supports the type of the first NF, in the first network slice; and the first terminal receiving the address information of the first network element from the network storage network element, wherein the first network element is a network element, which supports the type of the first NF, in the network slice. Based on the solution, the first terminal can request the acquisition of the address information of the network element, which supports the type of the first NF, in the first network slice from the network storage network element, so that the first terminal can access the network element.
Patent WO-2020199387-A1 (WO)
Title: Three-dimensional memory devices and fabrication methods thereof
Inventor: XIAO LIHONG
IPC: H01L27/1157
Filed: 2019-06-28
Abstract: A method for forming three-dimensional (3D) memory devices includes the following operations. First, an initial channel hole (22) is formed in a stack structure (21) of a plurality first layers (211) and a plurality of second layers (212) alternatingly arranged over a substrate (10,20). An offset (224) is formed between a side surface of each one of the plurality of first layers (211) and a side surface of each one of the plurality of second layers (212) on a sidewall of the initial channel hole (22) to form a channel hole (222). A semiconductor channel (14,24) is further formed by filling the channel hole (222) with a channel-forming structure. The semiconductor channel (14,24) may have a memory layer (132) having a first memory portion surrounding a bottom of each second layer and a second memory portion connecting adjacent first memory portions. The first memory portion and the second memory portion may be staggered along a vertical direction.
Patent WO-2020011082-A1 (WO)
Title: Handheld assembly for single-motor electric surgical instrument and electric surgical instrument
Inventor: LI XUEJUN
IPC: A61B17/072
Filed: 2019-07-03
Abstract: Provided are a handheld assembly (200) for a single-motor electric surgical instrument and an electric surgical instrument (10). The handheld assembly (200) for a single-motor electric surgical instrument comprises: a power supply assembly (2060); a driving assembly (2010); a switching assembly (2020), capable of engaging with the driving assembly (2010) to obtain a power input, wherein the switching assembly (2020) comprises a shaft (2022), a first gear (2021) and an output switching component, the first gear (2021) is disposed on the shaft (2022) and engaged with a driving gear (2012) of the driving assembly (2010), the output switching component is coupled to the first gear (2021), the switching assembly (2020) is engaged with the driving gear (2012) of the driving assembly (2010), the output switching component is operated such that the switching assembly (2020) can switch between a first output mode and a second output mode; a first power output assembly (2030); a second power output assembly (2040); a control circuit (2070); and a housing portion (2080). The handheld assembly (200) for a single-motor electric surgical instrument simplifies the structure of an electric surgical instrument (10), thus saving costs. A safety structure for preventing accidental firing is formed by means of the arrangement for an initial driving state.
Patent WO-2020011166-A1 (WO)
Inventor: GAO JIE
IPC: H04M1/725
Filed: 2019-07-09
Abstract: 本发明揭示了移动终端和控制移动终端息屏的方法、装置，其中，控制移动终端息屏的方法，包括：判断设置于移动终端上的摄像机在预设监听空间范围内，是否检测到虹膜数据；若未检测到，则控制所述移动终端关闭屏幕。本发明通过判断是否检测到虹膜数据，没有检测到虹膜数据则立即进入息屏状态，使用户视线离开屏幕后能及时进行息屏，有利于降低电耗量，同时有利于信息安全。本发明在检测到由虹膜数据时，还会进一步判断虹膜数据是否与用户的预设虹膜数据一致，以保证用户的使用安全以及信息隐私。本发明的手机在息屏状态下检测到有虹膜数据时，会马上启动亮屏，方便用户使用，且息屏亮屏更智能化，提高用户的使用体验。
Patent WO-2020228123-A1 (WO)
Inventor: ZHANG TENGLONG
IPC: F04D29/22
Filed: 2019-07-11
Abstract: Provided is an impeller used for a centrifugal water pump, comprising an wheel disk (1); a plurality of blades (3) are evenly distributed on one side of the wheel disk (1); the blades (3) are arcuate blades; a plurality of mounting grooves (11) are evenly provided on one side of the wheel disk (1); the mounting grooves (11) are provided with a first insertion slot (12) near the center of the wheel disk (1), and the mounting grooves (11) are provided with a second insertion slot (13) away from the center of the wheel disk (1); a first convex step (33) is formed on the central end (31) of the blade (3), and a second convex step (34) is formed on the edge end (32) of the blade (3); each of the bottom wall of the first insertion slot (12) and the bottom wall of the second insertion slot (13) is provided with a connection hole (14); each of the first convex step (33) and the second convex step (34) is formed having a threaded hole (35); a locking member (4) passes through the connecting hole (14) and the threaded hole (35), in sequence, to achieve a fixed connection between the blades (3) and the wheel disk (1).
Patent WO-2020015695-A1 (WO)
Title: Ducted fan unmanned aerial vehicle and housing thereof
Inventor: MA GANG
IPC: B64C27/20
Filed: 2019-07-18
Abstract: The present invention relates to a housing of a ducted fan unmanned aerial vehicle. The housing comprises an outer housing formed by foaming of a foam material, and a hard bearing frame internally provided in the outer housing. The housing meets the requirement for a strong housing of a ducted fan unmanned aerial vehicle, while also reducing the overall weight thereof. The housing can increase the endurance mileage of an unmanned aerial vehicle without changing battery capacity, has a simple production process and low production costs, and satisfies processing requirements of wholesale production. The present invention further relates to a ducted fan unmanned aerial vehicle using the housing.
Patent WO-2020042825-A1 (WO)
Title: Ue非连续接收的控制、指示方法及装置、存储介质、终端、基站
Inventor: GU XIANGXIN
IPC: H04W52/02
Filed: 2019-07-19
Abstract: 一种UE非连续接收的控制、指示方法及装置、存储介质、终端、基站，所述控制方法包括：确定MAC实体在发出调度请求后，期望获得响应于所述调度请求的上行链路授予的最短持续时间；为调度请求分配SR响应往返时间定时器，所述SR响应往返时间定时器的定时时间等于所述最短持续时间，并在所述SR响应往返时间定时器运行期间尝试离开激活态。通过本发明提供的技术方案，可以节省终端功耗。
Patent WO-2021012191-A1 (WO)
Inventor: TANG LIN
IPC: G01R31/12
Filed: 2019-07-23
Abstract: Disclosed in the present application is an insulation detection circuit, comprising an alternating current power supply, a filter circuit, and a detection circuit. The detection circuit comprises a first sub-detection circuit and a second sub-detection circuit; the alternating current power supply is connected to the filter circuit; the filter circuit is connected to the first sub-detection circuit and the second sub-detection circuit; an alternating current signal generated by the alternating current power supply passes through the filter circuit to generate a first current signal; the first current signal flows to the first sub-detection circuit and the second sub-detection circuit, a first voltage is generated at the first sub-detection circuit, and a second voltage is generated at the second sub-detection circuit. Embodiments of the present application can simplify design of an insulation detection circuit.