摘要：【中文】本发明公开了一种配电网故障指示器，所述配电网故障指示器包括上壳体和下壳体，所述上下壳体相对侧均设置有缆线槽，上壳体的缆线槽中设置有上压片，下壳体的缆线槽中设置有下压片，上壳体和下壳体之间设置有导轨，导轨内设置有丝杠，丝杠上的螺纹与上压片内的螺纹啮合，并通过旋转带动上压片在丝杠的延伸方向上移动，述下压片与下壳体通过螺栓固定连接，所述上压片与上壳体之间构成非刚性连接。 【EN】The invention discloses a power distribution network fault indicator which comprises an upper shell and a lower shell, wherein cable slots are formed in the opposite sides of the upper shell and the lower shell, an upper pressing sheet is arranged in the cable slot of the upper shell, a lower pressing sheet is arranged in the cable slot of the lower shell, a guide rail is arranged between the upper shell and the lower shell, a lead screw is arranged in the guide rail, threads on the lead screw are meshed with threads in the upper pressing sheet and drive the upper pressing sheet to move in the extending direction of the lead screw through rotation, the lower pressing sheet is fixedly connected with the lower shell through bolts, and non-rigid connection is formed between the upper pressing sheet and the upper shell.

摘要：【中文】本公开实施例公开了一种用于可穿戴设备的方法、装置、电子设备及可读存储介质，所述方法包括：获取天气相关数据；将所述天气相关数据和所述可穿戴设备的位置数据发送到服务器；从所述服务器接收天气预测数据，所述天气预测数据是基于所述天气相关数据和所述可穿戴设备的位置数据得到的；显示所述天气预测数据。该技术方案能够利用可穿戴设备实时拍摄天空图像获取天气相关数据，并发送至服务器进行数据分析得到天气预测数据，从而克服了从互联网上获取天气预测信息的局限性，能够在不同时间和地点进行天气预测，进而有效地提高了天气预测的实时性。 【EN】The embodiment of the disclosure discloses a method, a device, an electronic device and a readable storage medium for a wearable device, wherein the method comprises the following steps: acquiring weather related data; sending the weather-related data and location data of the wearable device to a server; receiving weather prediction data from the server, the weather prediction data derived based on the weather-related data and location data of the wearable device; and displaying the weather forecast data. According to the technical scheme, the wearable equipment can be used for shooting the sky image in real time to obtain weather related data and sending the weather related data to the server for data analysis to obtain weather prediction data, so that the limitation of obtaining weather prediction information from the Internet is overcome, weather prediction can be carried out at different times and places, and the real-time performance of weather prediction is effectively improved.

摘要：【中文】本公开提供了用户身份认证数据的管理方法、授权查询的方法、管理设备、认证设备、终端、非瞬态计算机可读存储介质和计算机程序产品。在管理设备处，验证来自查询请求方的、针对待查询用户的原始身份数据的查询请求，查询请求至少包括用于加密待查询原始身份数据的密钥；响应于查询请求通过验证，向查询请求方发送针对查询请求的授权信息；基于与多个认证设备所存储的原始身份数据相关联的映射信息，确定多个认证设备中用于存储待查询原始身份数据的至少一个认证设备；以及响应于接收到来自待查询用户的、关于待查询原始身份数据的签名信息，向至少一个认证设备发送签名信息和密钥，签名信息是待查询用户的终端设备基于从查询请求方接收的授权信息而生成的。 【EN】The present disclosure provides a method of managing user identity authentication data, a method of authorizing a query, a management device, an authentication device, a terminal, a non-transitory computer-readable storage medium, and a computer program product. Verifying a query request aiming at original identity data of a user to be queried from a query requester at a management device, wherein the query request at least comprises a secret key for encrypting the original identity data to be queried; responding to the query request and passing the verification, and sending authorization information aiming at the query request to a query requester; determining at least one authentication device in the plurality of authentication devices for storing original identity data to be queried based on mapping information associated with the original identity data stored by the plurality of authentication devices; and in response to receiving signature information on the original identity data to be queried from the user to be queried, sending the signature information and the secret key to at least one authentication device, wherein the signature information is generated by the terminal device of the user to be queried based on the authorization information received from the query requester.

摘要：【中文】本发明涉及无人机技术领域，特别是一种机翼可伸缩折叠式农保无人机。包括机身和机臂，所述机臂为四个，对称设置于机身的四周，所述机臂整体为可向下折叠式，机臂端部下侧与机身通过铰链相连接，所述机臂本体为三段可伸缩式，当三段机臂完全伸展开时，每两段连接处以卡扣锁定。本发明的机翼可伸缩折叠式农保无人机，其机臂可向下折叠和伸缩，可有效减少其占用空间，不仅降低运输成本，且减少无人机在运输途中的碰撞损伤，保障无人机的运输安全性。 【EN】The invention relates to the technical field of unmanned aerial vehicles, in particular to a farm protection unmanned aerial vehicle with telescopic and foldable wings. The foldable airplane comprises a machine body and four machine arms, wherein the four machine arms are symmetrically arranged on the periphery of the machine body, the whole machine arm can be folded downwards, the lower side of the end part of the machine arm is connected with the machine body through a hinge, the machine arm body is three sections of telescopic types, and when the three sections of machine arms are completely unfolded, the joints of every two sections are locked through buckles. According to the agricultural protection unmanned aerial vehicle with the telescopic and foldable wings, disclosed by the invention, the horn can be folded and stretched downwards, so that the occupied space can be effectively reduced, the transportation cost is reduced, the collision damage of the unmanned aerial vehicle in the transportation process is reduced, and the transportation safety of the unmanned aerial vehicle is ensured.

摘要：【中文】本发明涉及一种可折叠式无人机机臂，无人机机臂由上圆管和下圆管组成，上圆管、下圆管连接处外部套设有套筒，套筒的下半部为圆形，固定在下圆管外壁上，套筒的上半部为方形，方形具有三边，上圆管的下端延伸出连接端，连接端与套筒端部相铰接，铰接点位于套筒的上半部缺口处，上圆管可以以铰接点为圆心转动折叠，至与下圆管相平行，套筒的上端部表面固定有左抱箍，上圆管的外壁相应位置固定有右抱箍，左、右抱箍均为半圆环形，当上圆管位于下圆管上方时，左、右抱箍对齐、组成圆环形，两者以螺栓和螺母连接。本发明的无人机机臂可向下折叠，大幅度减少了无人机机臂的长度，增加无人机运输过程的便利性，同时减少无人机在运输途中受损的可能性。 【EN】The invention relates to a foldable unmanned aerial vehicle arm which comprises an upper round tube and a lower round tube, wherein a sleeve is sleeved outside the joint of the upper round tube and the lower round tube, the lower half part of the sleeve is circular and is fixed on the outer wall of the lower round tube, the upper half part of the sleeve is square, the square is provided with three sides, the lower end of the upper round tube extends out of a connecting end, the connecting end is hinged with the end part of the sleeve, a hinged point is positioned at the notch of the upper half part of the sleeve, the upper round tube can be rotated and folded by taking the hinged point as the circle center until the upper round tube is parallel to the lower round tube, a left hoop is fixed on the surface of the upper end part of the sleeve, a right hoop is fixed at the corresponding position of the outer wall of the upper round tube, the left hoop and the right hoops are both in a semicircular. The unmanned aerial vehicle arm can be folded downwards, so that the length of the unmanned aerial vehicle arm is greatly reduced, the convenience of the unmanned aerial vehicle in the transportation process is improved, and the possibility of damage of the unmanned aerial vehicle in the transportation process is reduced.

摘要：【中文】本发明提供了一种精轧机组轧制线标高优化方法，该方法包括以下步骤：a、计算每组轧辊出口处带钢中性层上半部分和下半部分的中心线长度；b、取轧辊出口处带钢中性层上、下半部分中心线长度的差值为头部翘曲判别因子，用来表征带钢的头部翘曲程度；c、确定优化变量，优化变量包括各组轧辊的压下量和咬入倾斜角；e、确定约束条件，需要带钢在轧制过程中始终保持向上翘曲；f、根据带钢经过最后组的轧辊轧制后，头部的翘曲量最小，得出优化目标函数；g、根据约束条件优化目标函数，得出精轧机组各架轧机的轧辊倾斜角和压下率最优值。 【EN】The invention provides a method for optimizing the elevation of a rolling line of a finishing mill group, which comprises the following steps: a. calculating the lengths of the central lines of the upper half part and the lower half part of the neutral layer of the strip steel at the outlet of each group of rollers; b. taking the difference of the lengths of the central lines of the upper half part and the lower half part of the neutral layer of the strip steel at the roller outlet as a head warping discrimination factor to represent the head warping degree of the strip steel; c. determining optimization variables, wherein the optimization variables comprise the rolling reduction and the biting inclination angle of each group of rollers; e. determining constraint conditions, wherein the strip steel needs to be always upwards warped in the rolling process; f. obtaining an optimized objective function according to the minimum warping amount of the head of the strip steel after the strip steel is rolled by the last group of rollers; g. and optimizing the objective function according to the constraint condition to obtain optimal values of the roll inclination angle and the reduction rate of each frame of rolling mill of the finishing mill group.

摘要：【中文】本发明公开了一种震源车队的自动循迹跟车系统，通过两辆小车模型实现，要实现在安全距离内对前车行驶轨迹的跟随，被跟随小车为遥控小车，装有WIFI模块、超声波发射模块，以此代替人为驾驶；跟随小车为无人驾驶，其硬件模块包括控制器模块、WIFI模块、超声波接收模块、电机及电机驱动模块、舵机及舵机驱动模块、光电编码器、电源模块。通过建立直角坐标系，经过处理器对两车通信信号的捕捉与计算求得两小车在直角坐标系内的实时更新的各个位置坐标及被跟随小车的前轮转角，以此描绘出被跟随小车的行车轨迹，跟随小车对前车坐标轨迹进行依次跟随，同时通过控制电机进行加速减速保证两小车始终在设定的安全距离内进行跟随。 【EN】The invention discloses an automatic tracking car following system of a seismic source motorcade, which is realized by two car models, wherein in order to realize following of the driving track of a front car within a safe distance, a followed car is a remote control car and is provided with a WIFI module and an ultrasonic transmitting module so as to replace artificial driving; the following trolley is unmanned, and a hardware module of the following trolley comprises a controller module, a WIFI module, an ultrasonic receiving module, a motor driving module, a steering engine driving module, a photoelectric encoder and a power supply module. Through establishing the rectangular coordinate system, each position coordinate of two cars of real-time renewal in the rectangular coordinate system and the front wheel corner of the car of being followed are solved through the seizure and the calculation of treater to two car communication signal to this draws the driving track of the car of being followed, follows the car and follows the driving track of preceding car coordinate track in proper order, carries out acceleration and deceleration through the control motor and guarantees that two cars follow in the safe distance of settlement all the time simultaneously.

摘要：【中文】本发明提供一种放射微球及放射性填充物组合物，所述放射微球包括以化学式Ca₃Si₂O₇表示的玻璃及包含在该玻璃中的氧化钇，且该放射微球的球形度为0.71至1，其中，该放射微球经中子活化照射后具放射性。本发明通过将放射微球递送至目标组织进行中子活化产生辐射以治疗肿瘤，微球的放射性随时间消失，最终可经骨组织溶解吸收。 【EN】The invention provides a radioactive microsphere and a radioactive filler composition, wherein the radioactive microsphere comprises a chemical formula of Ca₃Si₂O₇The glass and the yttrium oxide contained in the glass are shown, and the sphericity of the radioactive microsphere is 0.71-1, wherein the radioactive microsphere is radioactive after neutron activation irradiation. The invention treats tumors by delivering radioactive microspheres to target tissue for neutron activation to generate radiation, the radioactivity of the microspheres decaying over timeEventually, it can be dissolved and absorbed by bone tissue.

摘要：【中文】本发明公开了一种连杆活塞销挡圈自动装配机，包括工作台，所述工作台上依次平行设置有活塞销压装线、挡圈压装线和成品暂存线，三者之间设置有取卸料抓手总成，所述取卸料抓手总成具有取料抓手和卸料抓手，所述取料抓手和卸料抓手与同一移动副板相连；所述活塞销压装线具有活塞定位座A，挡圈压装线具有活塞定位座B，所述成品暂存线包括基板C，以及活动设置于该基板C上的存放台，所述存放台上具有至少一个活塞定位槽，所述存放台沿基板C长度方向滑动，可使活塞定位槽与活塞定位座A和活塞定位座B共线。采用以上方案，整体布局结构紧凑，大大缩减占用空间，此外精简零部件，优化机构，提高装配效率，同时降低成本，保证系统运转可靠性。 【EN】The invention discloses an automatic assembling machine for a connecting rod piston pin retainer ring, which comprises a workbench, wherein a piston pin press-mounting line, a retainer ring press-mounting line and a finished product temporary storage line are sequentially arranged on the workbench in parallel, a material taking and discharging gripper assembly is arranged among the piston pin press-mounting line, the retainer ring press-mounting line and the finished product temporary storage line, the material taking and discharging gripper assembly is provided with a material taking gripper and a material discharging gripper, and the material taking gripper and the material discharging gripper are connected with the same moving; the piston pin press-mounting line is provided with a piston positioning seat A, the check ring press-mounting line is provided with a piston positioning seat B, the finished product temporary storage line comprises a base plate C and a storage table movably arranged on the base plate C, at least one piston positioning groove is formed in the storage table, and the storage table slides along the length direction of the base plate C and can enable the piston positioning groove to be collinear with the piston positioning seat A and the piston positioning seat B. By adopting the scheme, the whole layout structure is compact, the occupied space is greatly reduced, parts are simplified, the mechanism is optimized, the assembly efficiency is improved, the cost is reduced, and the operation reliability of the system is ensured.

摘要：【中文】本发明涉及一种电磁阀，包括内部设有流体通道和容纳腔的阀体以及安装于容纳腔内的阀组件，流体通道和容纳腔连通；阀组件包括安装于容纳腔底部的阀芯座、与阀芯座配合用于关闭或打开流体通道的阀芯、驱动阀芯往复运动的驱动机构以及与容纳腔形成密封空间的密封壳体；驱动机构包括丝杆和带动丝杆转动的驱动元件，阀芯的内部设有轴向通孔，丝杆和轴向通孔通过螺纹连接，该螺纹将丝杆的转动转化为阀芯的直线运动；丝杆和/或阀芯上设有压力平衡通道，进入阀体的流体经过压力平衡通道充满阀芯的上端面和下端面所在的腔体。与现有技术相比，本发明具有阀芯容易驱动、阀体小型化、流量调节精确稳定等优点。 【EN】The invention relates to a solenoid valve, comprising a valve body and a valve component, wherein the valve body is internally provided with a fluid channel and an accommodating cavity, and the valve component is arranged in the accommodating cavity; the valve component comprises a valve core seat arranged at the bottom of the accommodating cavity, a valve core matched with the valve core seat and used for closing or opening the fluid channel, a driving mechanism driving the valve core to reciprocate and a sealing shell forming a sealing space with the accommodating cavity; the driving mechanism comprises a screw rod and a driving element for driving the screw rod to rotate, an axial through hole is formed in the valve core, the screw rod is connected with the axial through hole through threads, and the threads convert the rotation of the screw rod into the linear motion of the valve core; and a pressure balance channel is arranged on the screw rod and/or the valve core, and fluid entering the valve body is filled in the cavity where the upper end surface and the lower end surface of the valve core are located through the pressure balance channel. Compared with the prior art, the invention has the advantages of easy driving of the valve core, miniaturization of the valve body, accurate and stable flow regulation and the like.