摘要：【中文】本申请公开了一种IoT设备管理方法、装置、服务器及存储介质，属于物联网技术领域，所述方法包括：接收IoT设备发送的加入请求，加入请求包括IoT设备的设备公钥和IoT设备的设备层级；根据IoT设备的设备层级，确定IoT设备的标准设备公钥；检测加入请求中包括的IoT设备的设备公钥与IoT设备的标准设备公钥是否相同；若加入请求中包括的IoT设备的设备公钥与IoT设备的标准设备公钥相同，则确认IoT设备合法，并控制IoT设备加入物联网平台。本申请实施例在IoT设备加入物联网平台前先验证合法性，并且合法性验证过程中不暴露该IoT设备对应的设备私钥，提升了IoT设备及IoT平台的安全性。 【EN】The application discloses an IoT equipment management method, an IoT equipment management device, a server and a storage medium, which belong to the technical field of Internet of things, and the method comprises the following steps: receiving a join request sent by an IoT device, wherein the join request comprises a device public key of the IoT device and a device hierarchy of the IoT device; determining a standard device public key of the IoT device according to the device hierarchy of the IoT device; detecting whether a device public key of the IoT device included in the join request is the same as a standard device public key of the IoT device; and if the device public key of the IoT device included in the joining request is the same as the standard device public key of the IoT device, confirming that the IoT device is legal and controlling the IoT device to join the Internet of things platform. According to the method and the device, the validity is verified before the IoT device is added into the IoT platform, the device private key corresponding to the IoT device is not exposed in the validity verification process, and the safety of the IoT device and the IoT platform is improved.

摘要：【中文】本发明属于新能源汽车技术领域，具体涉及一种车辆安全的监测方法、监测装置及监测系统。本发明的车辆安全的监测方法包括如下步骤：获取电池的当前温度值；根据电池的当前温度值超过设定温度值，控制冷却系统开启运转，且控制报警器报警。本发明的车辆安全的监测方法中，根据电池的当前温度值超过设定温度值，控制冷却系统开启运转，且控制报警器报警，向其他多个平台进行报警，降低自燃风险的同时，通过及时发出警报信息，可以避免更大的损失，能够节约成本，提高安全性。 【EN】The invention belongs to the technical field of new energy automobiles, and particularly relates to a vehicle safety monitoring method, a monitoring device and a monitoring system. The vehicle safety monitoring method comprises the following steps: acquiring a current temperature value of the battery; and controlling the cooling system to start and operate according to the fact that the current temperature value of the battery exceeds the set temperature value, and controlling the alarm to give an alarm. According to the vehicle safety monitoring method, the cooling system is controlled to start to operate according to the fact that the current temperature value of the battery exceeds the set temperature value, the alarm is controlled to give an alarm, the alarm is given to other platforms, the spontaneous combustion risk is reduced, meanwhile, the alarm information is given out in time, larger loss can be avoided, cost can be saved, and safety is improved.

摘要：【中文】本发明公开了一种基于VRAY的PBR材质渲染方法和系统，方法包括：1：模型分组预处理；2：模型轻量化和UV展开；3：PBR材质的烘焙；4：双UV通道展示；5：素材压缩，包括：模型压缩和材质压缩；6：KSF描述文件；7：进入PBR渲染系统进行实时渲染。本发明的有益效果是：能够高效准确的将Max模型设计文件以及Vray丰富的材质系统，在较短的时间内，转换成能够在WebGL中实时显示的模型，使3D实时渲染应用速度快，对于使用的设备和操作系统的要求降低。本发明的前端实时PBR渲染系统，真实的显示出接近与离线渲染效果的实时渲染效果，准确表达材质的效果，提高模型在3D实时渲染的逼真程度；本发明解决了传统材质烘焙无法支持平铺纹理，放大观看细节时图案花纹模糊。 【EN】The invention discloses a VRAY-based PBR material rendering method and a VRAY-based PBR material rendering system, wherein the method comprises the following steps: 1: model grouping preprocessing; 2: model lightweight and UV deployment; 3: baking the PBR material; 4: double UV channel display; 5: material compression, including: model compression and material compression; 6: a KSF description file; 7: and entering a PBR rendering system for real-time rendering. The invention has the beneficial effects that: the Max model design file and the Vlay-rich material system can be efficiently and accurately converted into a model capable of being displayed in WebGL in real time in a short time, so that the 3D real-time rendering application speed is high, and the requirements on used equipment and an operating system are reduced. The front-end real-time PBR rendering system provided by the invention can truly display the real-time rendering effect close to the off-line rendering effect, accurately express the material effect and improve the fidelity of the model in 3D real-time rendering; the method solves the problems that the traditional material baking can not support the flat paving texture, and the pattern are fuzzy when the detail is magnified and viewed.

摘要：【中文】一种显示控制方法和终端，涉及工业设计领域，应用于拍照时倒计时提醒，引导用户的视线至前置摄像头处。该显示控制方法，应用于包括显示屏和前置摄像头的终端，该方法包括：终端启动前置摄像头，并在显示屏上显示预览界面，预览界面的内容为摄像头所采集的图像(S101)；响应于延时拍照命令，终端在显示屏上预设的靠近前置摄像头的位置开始依次显示至少两个倒计时数字(S102)，每一个倒计时数字依次从开始位置至终止位置显示，其中开始位置靠近前置摄像头，终止位置相对于开始位置远离前置摄像头；终端在倒计时结束时自动启动快门，并在显示屏上显示本次快门启动而拍摄获得的图像(S103)。 【EN】A display control method and a terminal relate to the field of industrial design and are applied to countdown reminding during photographing and guiding a user's sight to a front camera. The display control method is applied to a terminal comprising a display screen and a front camera, and comprises the following steps: the terminal starts a front camera and displays a preview interface on a display screen, wherein the content of the preview interface is an image acquired by the camera (S101); responding to a delayed photographing command, the terminal starts to sequentially display at least two countdown numbers at a position close to a front camera preset on a display screen (S102), wherein each countdown number is sequentially displayed from a starting position close to the front camera to an ending position, and the ending position is far away from the front camera relative to the starting position; the terminal automatically starts the shutter at the end of the countdown, and displays an image captured by this shutter start on the display screen (S103).

摘要：【中文】本发明公开了故障信息管理系统，包括故障信息采集模块、故障信息统计与监控模块、故障预测与预警模块；故障信息采集模块用于故障信息采集，并将经审批的经典故障信息及其处理方法归档，生成标准故障信息；故障信息统计与监控模块对故障信息采集模块生成的标准故障信息进行监控、统计、分类、查询及导出；预测与预警模块根据故障信息统计与监控模块对标准故障信息的分类和统计得出发动机故障信息的预测信息，实现发动机总试验时数与发动机累积MTBF及瞬时MTBF之间的相互预测。该系统管理效率高，管理效果好，功能完善。 【EN】The invention discloses a fault information management system, which comprises a fault information acquisition module, a fault information statistics and monitoring module and a fault prediction and early warning module; the fault information acquisition module is used for acquiring fault information, and filing approved classical fault information and a processing method thereof to generate standard fault information; the fault information counting and monitoring module is used for monitoring, counting, classifying, inquiring and exporting the standard fault information generated by the fault information acquisition module; the prediction and early warning module obtains prediction information of the engine fault information according to the classification and statistics of the fault information statistics and monitoring module on the standard fault information, and mutual prediction between the total test hours of the engine and the accumulated MTBF and the instantaneous MTBF is achieved. The system has high management efficiency, good management effect and perfect functions.

摘要：【中文】一种发电机轴可靠性试验装置，包括发动机、电气控制系统、与电气控制系统连接的人机界面、燃油自动补给系统、电池组；所述燃油自动补给系统由油位传感器、油箱和油泵组成；所述电气控制系统包括中间继电器，时间继电器，断路器，用于根据油位传感器检测的油箱中的油量信号通过中间继电器控制油泵工作、用于将时间继电器记录的发动机运行的启停周期及次数传递至人机界面供试验人员对发电机软轴进行可靠性分析的中央控制器；所述电池组与断路器连接。本发明具备自动启停及自动计数功能。首次进入循环测试后，即可按设定的时间和次数对发电机软轴的可靠性进行验证，为设计人员进行发电机软轴的可靠性验证和分析提供依据。 【EN】A generator shaft reliability test device comprises an engine, an electrical control system, a human-computer interface connected with the electrical control system, an automatic fuel supply system and a battery pack; the fuel oil automatic supply system consists of an oil level sensor, an oil tank and an oil pump; the electrical control system comprises an intermediate relay, a time relay, a circuit breaker and a central controller, wherein the central controller is used for controlling the oil pump to work through the intermediate relay according to an oil quantity signal in the oil tank detected by the oil level sensor, and transmitting the start-stop period and the frequency of the running of the engine recorded by the time relay to a human-computer interface for a tester to perform reliability analysis on the flexible shaft of the generator; the battery pack is connected with a circuit breaker. The invention has the functions of automatic start-stop and automatic counting. After the cyclic test is carried out for the first time, the reliability of the generator flexible shaft can be verified according to the set time and times, and a basis is provided for designers to verify and analyze the reliability of the generator flexible shaft.

摘要：【中文】本发明公开了一种微型中空轴RV减速机，其中，包括机壳以及依次连接并设置于机壳内部的输出端盖、RV齿轮、输入端盖，输入端盖上设有贯穿RV齿轮后与输出端盖连接的内六角圆柱头螺钉与传动轴，传动轴上套设于与RV齿轮接触连接的滑动轴承，机壳内部设有依次贯穿输入端盖、输出端盖、RV齿轮的中空输入齿轴，中空输入齿轴的外围套设有与RV齿轮接触连接的滚针保持架轴承，滚针保持架轴承与RV齿轮之间设有复数个滚针销齿，中空输入齿轴的外围连接设有匹配滚针保持架轴承的限位环，限位环的两端均设有套设于中空输入齿轴的第一角接触球轴承，机壳的内部设有分别套设于输入端盖的第二角接触球轴承、套设于输出端盖的第三角接触球轴承。 【EN】The invention discloses a miniature hollow shaft RV speed reducer, which comprises a shell, an output end cover, an RV gear and an input end cover, wherein the output end cover, the RV gear and the input end cover are sequentially connected and arranged in the shell, an inner hexagonal socket head screw and a transmission shaft which penetrate through the RV gear and are connected with the output end cover are arranged on the input end cover, a sliding bearing in contact connection with the RV gear is sleeved on the transmission shaft, a hollow input gear shaft which sequentially penetrates through the input end cover, the output end cover and the RV gear is arranged in the shell, a needle roller retainer bearing in contact connection with the RV gear is sleeved on the periphery of the hollow input gear shaft, a plurality of needle roller pin teeth are arranged between the needle roller retainer bearing and the RV gear, a limiting ring matched with the needle roller retainer bearing is connected on the periphery of the hollow input gear shaft, first angular contact ball bearings sleeved on the hollow input, The third angle contact ball bearing sleeved on the output end cover.

摘要：【中文】本发明公开了基于AoB相控阵体制的UWB高精度定位天线微系统，属于天线技术领域，微系统包括天线阵列模块、移相衰减模块、功分模块、TR模块和波控模块；天线阵列模块包括若干UWB天线单元，移相衰减模块包括若干移相衰减通道；功分模块的若干功分端与移相衰减模块的若干移相衰减通道对应连接，功分模块公共端与TR模块双向连接；移相衰减通道的天线接口端与天线阵列模块中的若干UWB天线单元对应连接；波控模块与外部系统经波控模块的控制接口连接，波控模块输出端与移相衰减模块、TR模块连接。本发明系统抗干扰能力强，定位精度高，作用距离远，覆盖范围与适用领域广，且系统成本低。 【EN】The invention discloses a AoB phased array system-based UWB high-precision positioning antenna micro-system, which belongs to the technical field of antennas, and comprises an antenna array module, a phase-shifting attenuation module, a power division module, a TR module and a wave control module; the antenna array module comprises a plurality of UWB antenna units, and the phase-shifting attenuation module comprises a plurality of phase-shifting attenuation channels; a plurality of power division ends of the power division module are correspondingly connected with a plurality of phase-shift attenuation channels of the phase-shift attenuation module, and a common end of the power division module is bidirectionally connected with the TR module; the antenna interface end of the phase-shifting attenuation channel is correspondingly connected with a plurality of UWB antenna units in the antenna array module; the wave control module is connected with an external system through a control interface of the wave control module, and the output end of the wave control module is connected with the phase-shifting attenuation module and the TR module. The system has the advantages of strong anti-interference capability, high positioning precision, long acting distance, wide coverage range and application field and low system cost.

摘要：【中文】本发明公开了一种结构光三维扫描装置及其标定方法和使用方法，包括投影系统，配置为向被观测物投射投影图像；所述投影系统至少包括可投射投影图像的投影器件，投影镜头；成像系统，配置为接收被观测物反射的投影图像；所述成像系统至少包括接收反射回的投影图像的成像器件，成像镜头；控制系统，控制所述的投影系统和成像系统；所述控制系统中包括至少两个标定参数；在扫描装置的有效测量范围内,标定参数与三维扫描装置的工作距一一对应。本发明提供一种在工作距变化或者更换不同使用环境情况下，无需再次标定相应工作参数，可直接对待观测物体进行三维测量的可变工作距的结构光三维扫描装置以及该装置的标定方法和使用方法。 【EN】The invention discloses a structured light three-dimensional scanning device and a calibration method and a using method thereof, wherein the structured light three-dimensional scanning device comprises a projection system, a light source and a light source, wherein the projection system is configured to project a projection image to an observed object; the projection system at least comprises a projection device capable of projecting a projection image and a projection lens; an imaging system configured to receive a projection image reflected by an observed object; the imaging system at least comprises an imaging device for receiving the reflected projected image and an imaging lens; the control system controls the projection system and the imaging system; the control system comprises at least two calibration parameters; in the effective measuring range of the scanning device, the calibration parameters correspond to the working distances of the three-dimensional scanning device one by one. The invention provides a variable-working-distance structured light three-dimensional scanning device which can directly carry out three-dimensional measurement on an object to be observed without calibrating corresponding working parameters again under the condition that the working distance is changed or different use environments are replaced, and a calibration method and a use method of the device.

摘要：【中文】本发明提供一种适用于低渗碳酸盐岩储层的环保型酸化工作液，由以下质量份的原料组成：100份水，3～5份谷氨酸N,N‑二乙酸，3～5份甲基甘氨酸二乙酸，3～5份甲基磺酸，5～10份乙酸，1～3份氯化钾，1～3份氯化铵。本发明还提供了上述环保型酸化工作液的制备方法。本发明提供的环保型酸化工作液适于碳酸盐岩水井酸化，能够有效增加碳酸盐岩储层的渗透率，对金属管材具有良好的缓蚀效果，并且该环保型酸化工作液对环境友好，易于降解。 【EN】The invention provides an environment-friendly acidizing working fluid suitable for a low-permeability carbonate rock reservoir, which is prepared from the following raw materials in parts by mass: 100 parts of water, 3-5 parts of glutamic acid N, N-diacetic acid, 3-5 parts of methylglycine diacetic acid, 3-5 parts of methanesulfonic acid, 5-10 parts of acetic acid, 1-3 parts of potassium chloride and 1-3 parts of ammonium chloride. The invention also provides a preparation method of the environment-friendly acidizing working fluid. The environment-friendly acidizing working fluid provided by the invention is suitable for acidizing a carbonate rock water well, can effectively increase the permeability of a carbonate rock reservoir, has a good corrosion inhibition effect on metal pipes, is environment-friendly and is easy to degrade.