baber/WOPTO huggingface dataset:
Patent WO-2022183578-A1 (WO)
Title: Molybdenum carbide-molybdenum oxide catalyst, preparation method therefor and use thereof
Inventor: WANG TIEJUN
IPC: B01J23/28
Filed: 2021-04-20
Abstract: The present application belongs to the technical field of catalysts, and in particular relates to a molybdenum carbide-molybdenum oxide catalyst, a preparation method therefor and the use thereof. Provided is a molybdenum carbide-molybdenum oxide catalyst, comprising: molybdenum carbide and amorphous MoO x  compounded on the surface of the molybdenum carbide, wherein x is a natural number in the range of 0-3; the thickness of MoO x  is 2-10 nm; and the molybdenum carbide is selected from Mo 2 C or MoC. Provided is a preparation method therefor, comprising: carrying out oxidation treatment on molybdenum carbide to obtain molybdenum carbide-MoO x ; calcining the molybdenum carbide-MoO x  in an inert atmosphere to obtain an initial catalyst; and carrying out a reduction reaction on the initial catalyst to obtain the molybdenum carbide-molybdenum oxide catalyst. By means of the molybdenum carbide-molybdenum oxide catalyst, the preparation method therefor and the use thereof provided in the application, the technical problems of harsh reaction conditions and a high cost in existing methods for producing n-hexanol by means of selective hydrogenation and hydrolysis of biomass are effectively solved.
Patent WO-2022033080-A1 (WO)
Inventor: LI CHAOWU
IPC: H04R1/08
Filed: 2021-04-29
Abstract: Provided in the present application is an acoustic device. The acoustic device may comprise a housing, one or more sound pickup assemblies, and one or more channel members. The housing may have an accommodation space and one or more communication holes. Each communicating hole communicates the accommodating space with the outside. The one or more sound pickup assemblies may be arranged in the accommodating space and used for picking up sound by means of the communication holes. The one or more channel members may be arranged in the accommodating space, wherein at least one of the one or more channel members is arranged between a sound pickup element of the one or more sound pickup assemblies and one of the one or more communication holes, such that the sound is transmitted to the sound pickup element by means of at least one of the one or more channel members after passing through the communication hole.
Patent WO-2021233259-A1 (WO)
Title: Method for evaluating female emotion and related apparatus, and device
Inventor: HAN YUJIA
IPC: A61B5/00
Filed: 2021-05-17
Abstract: A method and apparatus for evaluating female emotion, and a related device, relating to the field of artificial intelligence. The method comprises: an execution device obtains M pieces of data to be evaluated of a user, wherein the M pieces of data to be evaluated comprise physiological data of M sampling points sampled from a time point t-T to a time point t, and the M pieces of data to be evaluated have one-to-one correspondence to the M sampling points; then, the execution device inputs the M pieces of data to be evaluated into a first model to obtain an evaluation result corresponding to the time point t; and finally, the execution device outputs the evaluation result corresponding to the time point t. The emotion of a user is evaluated by obtaining data to be evaluated of the user within one physiological period. Female emotion is evaluated by using history data to be evaluated and female physiological period characteristics, so that the accuracy of evaluation of the female emotion can be improved.
Patent WO-2021244301-A1 (WO)
Title: 时延补偿方法和基站
Inventor: ZHOU HENG
IPC: H04W24/04
Filed: 2021-05-20
Abstract: 本申请实施例提供一种时延补偿方法和基站，所述基站包括基带处理单元BBU，两个接口模块和多个射频拉远单元RRU构成的环形组网，包括：每个接口模块响应于确定任意一个RRU的建链状态发生变化，向BBU发送路由刷新消息，其中，所述路由刷新消息中携带所述多个RRU的身份标识；所述BBU基于所述多个RRU的身份标识确定目标RRU；所述BBU基于预先保存的所述多个RRU的身份标识与正向时延和反向时延的对应关系确定所述目标RRU的反向时延，并将所述反向时延发送至所述目标RRU；所述RRU基于所述反向时延进行时延补偿。
Patent WO-2021238916-A1 (WO)
Inventor: LI WEI
IPC: C22C38/06
Filed: 2021-05-25
Abstract: 本发明公开了一种超高强双相钢，其基体组织为铁素体+马氏体，其中铁素体和马氏体呈岛状均匀分布，超高强双相钢含有质量百分比如下的下述化学元素：C：0.12-0.2％，Si：0.5-1.0％，Mn：2.5-3.0％，Al：0.02-0.05％，Nb：0.02-0.05％，Ti：0.02-0.05％，B：0.001％-0.003％。本发明还公开了上述超高强双相钢的制造方法，包括步骤：冶炼和连铸、热轧、冷轧、退火、回火和平整。本发明超高强双相钢不仅有较好的力学性能，还具有优异的耐延迟开裂性和较低初始氢含量，可以适用于汽车安全结构件的制造。
Patent WO-2022001521-A1 (WO)
Inventor: LIN XIAOFA
IPC: F04B51/00
Filed: 2021-05-27
Abstract: A water path self-detection method for a cleaning device, comprising, after power-up initialization, the following steps: 1) first determining whether a low-water level switch is in a pull-in state, if yes, controlling a water inlet valve to be opened and a water pump to be closed and entering step 2), and if not, controlling the water pump to be opened and the water inlet valve to be closed and entering step 3); 2) determining whether a water refilling duration exceeds a preset first threshold, if yes, indicating an out of water fault and controlling the water inlet valve to be closed, and if not, returning to step 1); 3) determining whether the low-water level switch is in the pull-in state, if yes, indicating that a water path is normal and controlling the water pump to be closed, and if not, entering step 4); and 4) determining whether a water pumping duration exceeds a preset second threshold, if yes, indicating that a water pump fault occurs or an out of water fault occurs to a hot water box and controlling the water pump to be closed, and if not, returning to step 3). According to the present method, various abnormal situations are fully considered, and the determination modes are simple and reliable. Also provided is a water path self-detection apparatus for a cleaning device.
Patent WO-2022147949-A1 (WO)
Inventor: YANG LITAO
IPC: G02F1/1362
Filed: 2021-05-28
Abstract: 本申请公开了一种阵列基板及显示面板，通过将漏极与连接孔设置于源极的两条分支部界定的范围内，减小了所述漏极所占的面积，避免了因漏极和数据线短路而使显示面板出现亮点或者垂直线状不良的问题。
Patent WO-2022057321-A1 (WO)
Title: Method and apparatus for detecting anomalous link, and storage medium
Inventor: Su Chanfei
IPC: H04L12/751
Filed: 2021-06-02
Abstract: Provided is a method for detecting an anomalous link, the method comprising: receiving network data of at least one network node in a communication link; acquiring a network feature corresponding to the network data; and inputting the network feature into a first model, so as to obtain a detection result regarding whether the communication link is an anomalous link, wherein the first model is a model which is obtained by means of a second module obtained in previous training being trained according to labeled samples, K labeled samples and M unlabeled samples in a first sample set until the training meets a pre-set condition; the K labeled samples are obtained by means of respectively labeling K unlabeled samples in the first sample set; the M unlabeled samples are unlabeled samples which are selected from the first sample set to serve as negative samples; and the first sample set comprises pre-stored labeled samples and unlabeled samples before the K unlabeled samples and the M unlabeled samples are selected. By using the embodiments of the present application, the accuracy of the detection of anomalous links is increased.
Patent WO-2022241861-A1 (WO)
Title: 一种一次性纸质餐具
Inventor: YE LU
IPC: A47G21/02
Filed: 2021-06-04
Abstract: 一种一次性纸质餐具，包括纸质的手持部及盛取部，盛取部的边缘为内凹式圆弧，盛取部的表面上设有多条压花凹痕(3)，压花凹痕(3)延伸至盛取部的边缘。
Patent WO-2022261822-A1 (WO)
Inventor: LIU NAN
IPC: B60N2/02
Filed: 2021-06-15
Abstract: A control method, apparatus (1000) and system for a vehicle-mounted device (903), and a vehicle, which relate to the technical field of intelligent vehicles. The control method comprises: receiving at least two control instructions (902) at the same moment or within a first time period; determining a priority identifier and/or function category information of each control instruction (902) among the at least two control instructions (902), wherein the at least two control instructions (902) are used for controlling the same execution unit in a vehicle-mounted device (903); and controlling the execution unit according to the priority identifier and/or the function category information of each control instruction (902). Each control instruction (902) is allowed to carry a priority identifier and/or function category information, and then, according to the priority identifier and/or the function category information, a control instruction (902) is selected as a control instruction (902) for controlling a vehicle-mounted device (903), thereby avoiding a situation where simultaneous reception of a plurality of control instructions (902) causes hardware to be unable to work normally.
Patent WO-2022001696-A1 (WO)
Inventor: LI XIAOFENG
IPC: F25D23/02
Filed: 2021-06-18
Abstract: 本发明揭示了一种可更换门面的冰箱门，其包括：发泡门体和可拆卸连接所述发泡门体的前面板；所述发泡门体的前侧设置第一限位件和第二限位件；所述前面板和所述发泡门体之间夹设框架，所述框架贴合于所述前面板的后侧，所述框架上设置挂钩，所述挂钩具有插板部；其中，当所述前面板装配于所述发泡门体的前侧，所述第一限位件与所述插板部配合限制所述前面板在第一方向上的位移；所述第二限位件与所述框架配合限制所述前面板在第二方向上的位移。
Patent WO-2022261973-A1 (WO)
Inventor: GUO SHENGXIANG
IPC: H04W4/40
Filed: 2021-06-18
Abstract: The embodiments of the present disclosure relate to an information transmission method and apparatus, and a communication device and a storage medium. The method comprises: a user equipment (UE) sending power indication information, wherein the power indication information is used for indicating UE power levels of a plurality of interfaces within a working frequency band.
Patent WO-2022001737-A1 (WO)
Inventor: Gong Jianzhen
IPC: H04L1/16
Filed: 2021-06-21
Abstract: 本申请实施例涉及一种数据传输方法、装置以及计算机存储介质，通过检测获取的当前时间对应的预上传的报文，来检测出报文中的ACK报文和数据报文，将其中的数据报文直接上传，并按照预设规则将所检测出的ACK报文上传，其中，预设规则是在每个上传周期上传最多第一允许数量的ACK报文，所述第一允许数量是依据网络设备实际上行的数据传输带宽和单个数据报文的字节数量获得的。
Patent WO-2022028224-A1 (WO)
Inventor: NIU XINYU
IPC: G06F15/82
Filed: 2021-07-15
Abstract: 一种数据存储方法、装置、设备和存储介质,该数据存储方法包括：获取第一待计算数据对应的第一神经网络计算类型；基于所述第一神经网络计算类型配置第一预设规则（S120）；基于所述第一预设规则对所述第一待计算数据进行存储，以使所述第一待计算数据按照所述第一神经网络计算类型匹配的第一数据顺序发送给数据流网络中的计算模块进行计算（S130）。
Patent WO-2022217778-A1 (WO)
Title: Ground-to-downhole quantum well logging communication and control device and method
Inventor: SUN ZHE
IPC: E21B47/13
Filed: 2021-07-26
Abstract: A ground-to-downhole quantum well logging communication and control device, comprising a ground part (10) and a downhole part (20). The ground part (10) is provided with a transmitting system (1) and a transmitting coil (2), the transmitting coil (2) is laid on the ground and is connected to the transmitting system (1), and the transmitting coil (2) is used for transmitting electromagnetic wave signals to the underground. An atomic magnetometer (3), a signal reading device (4), and a control module (5) are integrated in the downhole part (20); the atomic magnetometer (3) is used for receiving an electromagnetic wave signal sent by the transmitting coil (2); the signal reading device (4) receives and decodes the received electromagnetic wave signal, and transmits the decoded instruction to the control module (5); and the control module (5) controls a downhole instrument to act. The device has the advantages of a high transmission rate, good stability, and a large transmission distance and depth for transmission of a signal from the ground to the downhole.
Patent WO-2022068387-A1 (WO)
Title: Clothes dryer
Inventor: LI YIMIN
IPC: D06F58/02
Filed: 2021-08-05
Abstract: A clothes dryer, comprising a housing and a drum provided in the housing, the drum being used for providing a clothes storage space. The clothes dryer further comprises a main drying system; the main drying system comprises a heat pump system, a main fan, and an air duct system used for defining a drying air duct; the heat pump system comprises an evaporator and a condenser; the air duct system is configured to guide drying airflow, so that the drying airflow flows out of the drum under the action of the main fan to sequentially flow through the evaporator and the condenser, and then circularly enters the drum. Since the clothes dryer of the present invention is provided with the heat pump system, and a cold end of the heat pump system is used for condensing water vapor in hot wet air, the heat pump system can provide higher condensing efficiency, and then the drying efficiency is improved.
Patent WO-2023000398-A1 (WO)
Inventor: YAN SHIQIANG
IPC: C07D491/16
Filed: 2021-08-06
Abstract: 本申请提供一种石蒜碱β-芳基丙烯酸酯衍生物及其制备方法和应用。所述石蒜碱β-芳基丙烯酸酯衍生物具有式I所示结构：其中，Ar为C 6-12 芳烃或C 3-10 芳杂环，所述的芳杂环中的杂原子选自N、O、S；R为Ar上的取代基，为单取代或多取代，R独立地选自氢、卤素、卤代C 1-6 烷基、卤代C 1-6 烷氧基、硝基、羟基、C 1-6 烷基、C 1-6 烷氧基、C 2-6 链烯基氧基、C 2-6 烯基、C 3-6 环烷基、苯基。所述石蒜碱β-芳基丙烯酸酯衍生物具有良好的抗肿瘤活性，具有较好的药用前景。
Patent WO-2022068431-A1 (WO)
Inventor: ZHANG YING
IPC: G09G3/34
Filed: 2021-08-16
Abstract: Provided are an Internet-of-Things terminal and a picture updating method therefor, which belong to the technical field of display. The Internet-of-Things terminal comprises: a communication unit (11), which is used for receiving text-image information; a micro-control unit (12), which is connected to the communication unit (11) and is used for converting the text-image information into a picture to be displayed; a storage unit (13) which is connected to the micro-control unit (12) and is used for storing said picture; and a display unit (14), which is connected to the micro-control unit (12), wherein the micro-control unit (12) is also used for reading said picture from the storage unit (13) and writing said picture into the display unit (14) for display. By means of the Internet-of-Things terminal and the picture updating method therefor, pictures can be processed by means of the Internet-of-Things terminal with low power consumption.
Patent WO-2022095543-A1 (WO)
Title: Image frame stitching method and apparatus, readable storage medium, and electronic device
Inventor: SHI WENBO
IPC: H04N21/234
Filed: 2021-08-17
Abstract: Disclosed are an image frame stitching method and apparatus, an electronic device, and a storage medium. The method comprises: acquiring a preview video stream captured by means of moving a panoramic photography device in a preset space; in response to multiple photography instructions received when moving the panoramic photography device, acquiring images of multiple locations in the preset space by means of the panoramic photography device, so as to obtain multiple scene images; estimating corresponding pose information of the multiple scene images on the basis of the preview video stream; and stitching the multiple scene images on the basis of the corresponding pose information of the multiple scene images, so as to obtain a panoramic image of the preset space.
Patent WO-2023019493-A1 (WO)
Inventor: HAN DONG
IPC: F04B39/10
Filed: 2021-08-19
Abstract: A high-flow piezoelectric pump with steplessly adjustable pressure. The high-flow piezoelectric pump comprises an upper end cover (2), a lower end cover (3), a jet chamber piezoelectric assembly (4), a semi-active one-way valve, and an outlet tube (1) which is located on the upper end cover (2). The jet chamber piezoelectric assembly (4) comprises, from top to bottom, a perforated piezoelectric vibrator (41), a pump chamber washer (42) and a dual-action piezoelectric vibrator (43) that are connected in sequence, the perforated piezoelectric vibrator (41) and the dual-action piezoelectric vibrator (43) vibrating synchronously in opposite directions; and the semi-active one-way valve comprises a cross-cantilever-beam spring member (6) and a semi-active one-way valve flap (7). According to the piezoelectric pump, the pressure of the pump is increased, the high-flow characteristic of a jet pump is retained, pressure adjustability of the pump is achieved, and the piezoelectric pump can be used for microfluidic control systems and micro-device heat dissipation systems.
Patent WO-2023023881-A1 (WO)
Inventor: CHEN JIEAN
IPC: B01J31/02
Filed: 2021-08-23
Abstract: 本申请公开一种氮杂环卡宾-硫脲双功能团催化剂，该氮杂环卡宾-硫脲双功能团催化剂的结构通式如式I所示，式I中的Ar1和Ar2分别独立选自芳基、取代的芳基、杂芳基和取代的杂芳基中的任意一种。该氮杂环卡宾催化剂是在氮杂环卡宾骨架的基础上引入另一活性位点硫脲基团，可以形成多种双功能硫脲氮杂环卡宾催化剂，该氮杂环卡宾-硫脲双功能团催化剂在催化不对称硒杂迈克尔反应具有很好的催化活性，因此在有机不对称催化领域具有潜在的应用。
Patent WO-2022083292-A1 (WO)
Inventor: LIN RUI
IPC: G05D1/02
Filed: 2021-08-31
Abstract: 一种智能移动机器人全局路径规划方法和系统，方法包括：确定作业全局信息，对作业全局的场景进行格栅化后获得全局栅格地图（S1）；对全局栅格地图设置行驶规则以及设置特殊区域（S2）；将全局栅格地图的栅格值离散化，定义移动机器人通过的区域与障碍物的间距大于移动机器人的外接圆半径（S3）；采用A*算法对全局栅格地图定义通行值（S4）；根据通行值以及移动机器人的起始点和目标点，输出栅格地图中一系列连续的路径点坐标值（S5）。通过预先构建的场景全局栅格地图，设置基于类似于机动车交通规则，对全局栅格地图定义通行值来改进A*全局路径搜索算法，生成输出连续的路径点坐标值实现自主导航。
Patent WO-2022068541-A1 (WO)
Title: Authentication method and apparatus thereof
Inventor: ZHOU RUNZE
IPC: H04W12/06
Filed: 2021-09-08
Abstract: Disclosed in embodiments of the present invention are an authentication method and an apparatus thereof which are applicable to relay access scenarios. The method comprises: a first device receiving a first request from a second device, wherein if the second device is a terminal device, the first request is used by a target remote device to request access to a network, and if the second device is a network element, the first request is used to request determination of whether the target remote device has permission to access the network; and the first device sending first information to the second device, the first information indicating whether the target remote device has permission to access the network. By means of the embodiments of the present invention, whether a target remote device has permission to access a network can be determined, thereby facilitating improving network security.
Patent WO-2022057872-A1 (WO)
Inventor: GUAN NAN
IPC: G06F11/10
Filed: 2021-09-17
Abstract: The present application discloses a data processing method, applicable to an intermittently working terminal, and comprising: executing a first program segment; calculating a first check code corresponding to a first address interval, the first address interval being an address interval used when executing the first program segment; obtaining a second check code corresponding to a second address interval, the second address interval being an address interval in a third address interval excluding the first address interval, and the third address interval being an address interval used when executing a program to which the first program segment belongs; and determining a third check code according to the first check code and the second check code, and storing the third check code in a non-volatile memory, so as to check data in a volatile memory after power supply is restored. According to the present solution, there is no need to calculate a check code for the entire address interval where data is stored, and thus, energy consumption and time for calculating the check code can be reduced, thereby making the terminal continue to run, and ensuring the real-time response performance of the terminal.
Patent WO-2022148093-A1 (WO)
Inventor: LIU YUAN
IPC: G01S5/02
Filed: 2021-10-20
Abstract: 一种基于智能反射面的定位方法，该方法包括：获取定位环境数字信息（101），利用定位传感器对信号源进行第一次定位生成第一定位信息（102）；利用信道仿真器和定位环境数字信息，判断信号源第一定位位置是否与智能反射面阵列之间存在视距（103）；若信号源第一定位位置与智能反射面阵列存在视距，则调整智能反射面参数至对准第一定位位置，并开启智能反射面阵列（104）；根据多个智能反射面传入定位传感器的多径的传播对信号源进行第二次定位生成第二定位信息（105）；判断第一定位信息与第二定位信息之间的误差距离是否小于预置的精度值（106），若误差距离小于预置的精度值，则将第二定位信息确定为精确的定位位置信息（107）。根据该方法能够提高定位的准确性。还提供了一种基于智能反射面的定位系统、定位装置以及计算机存储介质。
Patent WO-2022227438-A1 (WO)
Title: Electroluminescent device and display apparatus
Inventor: WANG LINLIN
IPC: H01L51/50
Filed: 2021-10-22
Abstract: An electroluminescent device and a display apparatus, for improving the efficiency and prolonging the service life of the electroluminescent device. The electroluminescent device comprises: an anode comprising a reflective material; a cathode arranged opposite to the anode and comprising a transflective material; n light-emitting functional layers laminated between the anode and the cathode, wherein n is an integer greater than 1; and each light-emitting functional layer comprises a light-emitting layer and an electron transport layer located at the side of the light-emitting layer close to the cathode, wherein the thickness of the electron transport layer in the light-emitting functional layer closest to the cathode is greater than that of the electron transport layers in the remaining light-emitting functional layers; and (n-1) charge generation layers located between two adjacent light-emitting functional layers.
Patent WO-2023070512-A1 (WO)
Inventor: ZHAO YUEMING
IPC: A61K35/741
Filed: 2021-10-29
Abstract: A composition of prebiotics and probiotics and the use thereof. The prebiotics are fructooligosaccharide FOS, galactooligosaccharide GOS and resistant dextrin; the probiotics are Lactobacillus rhamnosus MP108; and the weight ratio of Lactobacillus rhamnosus MP108 to fructooligosaccharide FOS to galactooligosaccharide GOS to resistant dextrin is (0.2-3) : (5-8) : (5-80) : (1-30). The composition can be used for preparing an alleviator for bacterial diarrhea, an alleviator for constipation, a preparation for promoting digestion, an efficacy evaluation preparation for food allergies, an alleviator for allergic asthma, an alleviator for dermatitis, a bacterial inhibitor, and an acid-resistant and choline-resistant preparation.
Patent WO-2022068962-A1 (WO)
Inventor: LIU GUANGPENG
IPC: F24F11/61
Filed: 2021-11-04
Abstract: A sterilization control method for a kitchen air conditioner. An indoor unit of the kitchen air conditioner comprises: a shell (1), which is provided with an air outlet (11); a fan; and a sterilization device, which is mounted on the shell (1) and is arranged close to the air outlet (11), wherein the sterilization device can spray a sterilizing agent in the form of a mist. The sterilization control method comprises: acquiring a cumulative operating time of a stove in a kitchen and an interval time since a kitchen air conditioner last executed a sterilization operation; and selectively making the kitchen air conditioner execute the sterilization operation according to the cumulative operating time of the stove and the interval time. Further provided is a kitchen air conditioner. By means of the sterilization control method for the kitchen air conditioner, the kitchen can be sterilized in a timely manner, thereby ensuring the safety of the environment of the kitchen, and improving the use experience of a user.
Patent WO-2022252499-A1 (WO)
Inventor: XU KAIXUAN
IPC: H01F41/06
Filed: 2021-11-10
Abstract: 本发明公开了一种立体卷铁心变压器的箔式线圈绕制方法及其装置，包括转动组件、驱动装置和多个上料组件；转动组件上设有与铁心芯柱配合的通孔，转动组件围绕通孔设有齿轮板和轨道环，齿轮板和轨道环通过固定块固定连接；上料组件包括料筒和张力装置，料筒与转动组件活动连接；驱动装置的驱动端与齿轮板连接。通过转动组件和上料组件，缠绕在料筒上的绕线材料能随着齿轮板的转动，稳定、快速地向外传送，提高了立体卷铁心变压器的箔式线圈绕制装置的上料稳定性和绕线效率；通过设置轨道环和张力装置，避免料筒在转动过程中发生位移和脱位的情况，保证了线圈的质量，提高立体卷铁心变压器的箔式线圈绕制的自动化程度。
Patent WO-2022222443-A1 (WO)
Title: Rotating structure and photographic device provided with same
Inventor: PENG YIBING
IPC: H02G3/04
Filed: 2021-11-12
Abstract: The present invention relates to a rotating structure and a photographic device provided with same. The rotating structure comprises a first rotating member, a shaft member, a support member and a second rotating member, wherein the second rotating member is respectively connected to a first connecting lug and a second connecting lug by means of the shaft member and the support member, so that when the first rotating member and the second rotating member rotate relative to each other, inner walls of two ends of a mounting through hole can be subjected to a supporting force provided by the shaft member and the support member, thereby preventing the second rotating member from shaking. Thus, the stability of the rotating structure is improved, the service life of a product is prolonged, and the user experience is good. In addition, a communication line enters a second accommodating space from a first accommodating space through a line through hole, and then enters a third accommodating space from the second accommodating space through a second opening; therefore, when the first rotating member and the second rotating member rotate relative to each other, the communication line is only bent under stress, and the communication line is prevented from being abraded or tangled.