摘要：【中文】一种镁/铝/铝复合板轧制复合方法，属于有色金属层状复合板的制备方法技术领域，可解决镁合金和6系铝合金复合轧制需要的下压量大，镁合金容易产生裂纹，不易实现复合板的制备的问题，在镁合金板材和6系铝合金板材之间添加1系铝合金板材为中间连接层，在较低的轧制温度和较小的下压量下制备出一种复合板。所述复合板为镁合金/铝合金/铝合金三层结构。制备出的层合板界面结合良好，无缺陷和孔隙存在。其强度达235MPa，延伸率达6.3%。此制备方法工艺简单、成本低廉、生产效率高，是先进的制备镁铝层状复合板的方法。 【EN】A rolling compounding method for a magnesium/aluminum composite plate belongs to the technical field of preparation methods for non-ferrous metal laminated composite plates and can solve the problems that the pressing quantity required by the composite rolling of magnesium alloy and 6 series aluminum alloy is large, the magnesium alloy is easy to crack and the preparation of the composite plate is difficult to realize. The composite board is of a magnesium alloy/aluminum alloy three-layer structure. The prepared laminated plate has good interface bonding, no defect and no pores. The strength reaches 235MPa, and the elongation reaches 6.3%. The preparation method has the advantages of simple process, low cost and high production efficiency, and is an advanced method for preparing the magnesium-aluminum layered composite board.

摘要：【中文】本发明提供了一种对实时采集的发动机缸压信号截取的方法及系统，包括：识别键相脉冲信号上升沿，对识别后的键相脉冲信号进行编号，标记为键相脉冲信号1和键相脉冲信号2；根据识别后的键相脉冲信号上升沿，计算获得基础偏置角和首缸缸号；根据首缸缸号和预设发动机发火顺序重新排序得到修正后发火序列；根据基础偏置角和预设发动机发火间隔角得到截取偏置角；根据固定频率的计数脉冲表示的发动机循环长度，将截取偏置角转换为对应的目标计数数值；根据目标计数数值，结合修正后发火序列，根据识别的键相脉冲进行分缸截取；本发明避免数据拼接，可以无损截取‑360°CA～360°CA的整循环的缸压曲线。 【EN】The invention provides a method and a system for intercepting an engine cylinder pressure signal acquired in real time, which comprises the following steps: identifying the rising edge of the key phase pulse signal, numbering the identified key phase pulse signal, and marking the number as a key phase pulse signal 1 and a key phase pulse signal 2; calculating to obtain a basic offset angle and a first cylinder number according to the recognized rising edge of the key phase pulse signal; reordering according to the first cylinder number and a preset engine ignition sequence to obtain a corrected ignition sequence; obtaining an intercepting offset angle according to the basic offset angle and a preset engine ignition interval angle; converting the intercepted offset angle into a corresponding target counting value according to the cycle length of the engine represented by the counting pulse with fixed frequency; according to the target counting value, combining the corrected firing sequence, and performing cylinder division interception according to the identified key phase pulse; the invention avoids data splicing and can nondestructively intercept the whole-cycle cylinder pressure curve from-360-degree CA to 360-degree CA.

摘要：【中文】本发明公开一种鲨鱼鳍天线电路以及鲨鱼鳍天线，包括：AM/FM无源天线体、调制信号AM/FM电路、电源管理单元和导航信号GPS/BD电路；导航信号GPS/BD电路包括：GPS/BD无源天线体、低噪滤波单元、第一滤波阻抗单元以及导航信号GPS/BD输入端。通过将第一滤波阻抗单元输出的一路GPS/BD信号与调制信号AM/FM电路输出的AM/FM信号合并为一路信号通过调制信号AM/FM输入端进行输出，将第一滤波阻抗单元输出的另一路GPS/BD信号通过导航信号GPS/BD输入端进行输出，能够减少一路GPS/BD信号的传输线束，从而能够在不减少鲨鱼鳍天线集成功能的情况下，降低鲨鱼鳍天线的生产成本。 【EN】The invention discloses a shark fin antenna circuit and a shark fin antenna, comprising: the system comprises an AM/FM passive antenna body, a modulation signal AM/FM circuit, a power supply management unit and a navigation signal GPS/BD circuit; the navigation signal GPS/BD circuit comprises: the GPS/BD passive antenna comprises a GPS/BD passive antenna body, a low-noise filtering unit, a first filtering impedance unit and a navigation signal GPS/BD input end. One path of GPS/BD signals output by the first filtering impedance unit and one path of AM/FM signals output by the modulation signal AM/FM circuit are combined into one path of signals to be output through the modulation signal AM/FM input end, and the other path of GPS/BD signals output by the first filtering impedance unit are output through the navigation signal GPS/BD input end, so that the transmission wire harness of one path of GPS/BD signals can be reduced, and the production cost of the shark fin antenna can be reduced under the condition that the shark fin antenna integration function is not reduced.

摘要：【中文】本发明涉及一种锂‑亚硫酰氯电池及其制备方法，本发明所述电池的正极采用一体化成型的中空碳棒；所述中空碳棒在电池的组装过程中容易装入电池壳体内，并能与隔膜很好的接触，有利于离子的快速传导；且通过一体化成型的中空碳棒具有强度高的特点，在装入电池壳体的过程中不会发生掉粉或掉颗粒，在真空注液过程中，电池壳体内部抽真空也不会破坏正极结构，降低了正极错位引起的断裂风险；且中空碳棒内部的中空结构能保证电芯中有充足的游离电解液，正极始终处于充分浸润的状态，有利于电子和离子的快速传导，保证电池的高脉冲能力。 【EN】The invention relates to a lithium-thionyl chloride battery and a preparation method thereof, wherein the anode of the battery adopts an integrally formed hollow carbon rod; the hollow carbon rod is easy to be arranged in a battery shell in the battery assembling process, can be well contacted with the diaphragm, and is beneficial to the rapid conduction of ions; the integrally formed hollow carbon rod has the characteristic of high strength, powder or particles cannot fall off in the process of being installed in the battery shell, the structure of the positive electrode cannot be damaged in the vacuum liquid injection process by vacuumizing the interior of the battery shell, and the fracture risk caused by dislocation of the positive electrode is reduced; and the hollow structure in the hollow carbon rod can ensure that sufficient free electrolyte exists in the battery core, and the anode is always in a fully soaked state, so that the rapid conduction of electrons and ions is facilitated, and the high pulse capacity of the battery is ensured.

摘要：【中文】本发明公开了一种基于车联网平台的日志管理方法、设备、存储介质及装置，该方法包括：获取车载系统日志文件的文件数量，在所述文件数量满足预设值时，将所述日志文件进行压缩打包，获得日志压缩包；接收远程指令，从所述远程指令中提取需上传的压缩包数量；根据所述压缩包数量，按照预设上传规则将所述日志压缩包上传至文件传输协议服务器。本发明中，日志文件全部存储到服务器，可通过远程指令控制日志文件上传，从而实现远程分析解决车辆故障问题。 【EN】The invention discloses a log management method, a device, a storage medium and a device based on a vehicle networking platform, wherein the method comprises the following steps: acquiring the number of files of a log file of a vehicle-mounted system, and compressing and packaging the log file to obtain a log compression packet when the number of files meets a preset value; receiving a remote instruction, and extracting the number of compressed packets to be uploaded from the remote instruction; and uploading the log compressed packets to a file transfer protocol server according to the number of the compressed packets and a preset uploading rule. In the invention, all the log files are stored in the server, and the log files can be uploaded under the control of a remote instruction, so that the problem of vehicle faults can be solved through remote analysis.

摘要：【中文】本发明涉及一种中空碳棒及其制备方法、用途和制备过程使用的模头，所述中空碳棒为圆柱形中空碳棒，所述圆柱形中空碳棒由一步成型得到，其内部中空结构能保证电池中有充分的游离电解液，且中空碳棒始终处于充分浸润的状态，可显著降低电池在不同放电姿势下放电容量的差异，且所述中空碳棒具有较高的强度，在电池组装过程中，中空碳棒装入钢壳工序可使用简单设备实现自动化，且装入过程不会有微粉脱落于隔膜上，降低电池微短路风险，且一步成型的中空碳棒端面平整，能与电池上下隔膜平整接触，且在真空注液过程中的高负压状态下也不会出现脱落现象或隔膜不平整的现象，且便于安装集流体。 【EN】The invention relates to a hollow carbon rod, a preparation method, application and a die head used in the preparation process thereof, wherein the hollow carbon rod is a cylindrical hollow carbon rod, the cylindrical hollow carbon rod is obtained by one-step molding, the internal hollow structure of the hollow carbon rod can ensure that the battery has sufficient free electrolyte, the hollow carbon rod is always in a sufficient infiltration state, the difference of discharge capacity of the battery in different discharge postures can be obviously reduced, the hollow carbon rod has higher strength, in the battery assembly process, the hollow carbon rod is filled into a steel shell, automation can be realized by using simple equipment, micro powder does not fall off on a diaphragm in the filling process, the micro short circuit risk of the battery is reduced, the end surface of the one-step molded hollow carbon rod is flat and can be in flat contact with the upper diaphragm and the lower diaphragm of the battery, and the falling phenomenon or the unevenness of the diaphragm does not occur in the high negative pressure state in the vacuum liquid injection process, and the current collector is convenient to install.

摘要：【中文】本发明提出了一种高强镁合金薄壁长筒形舱体高精度成形方法，包括：对高强镁合金进行半连续铸造；对半连续铸造后的高强镁合金进行固溶热处理；铸锭机械加工；对表面无缺陷的高强镁合金挤压成管状型材；对舱体进行第一粗加工；对第一粗加工的舱体进行时效热处理；对时效热处理后的舱体进行第二粗加工；对第二粗加工后的舱体进行去应力退火；对退火后的舱体进行精加工；对精加工的舱体进行口框及孔加工；检验：按检验计划进行全部尺寸的检测。本发明实施例可以解决舱体圆柱度和直径尺寸超差等问题，使按该工艺流程生产的各舱体满足互换性装配要求；大大减小了后期装配等工作量，缩短产品研制周期，降低研制成本。 【EN】The invention provides a high-precision forming method of a high-strength magnesium alloy thin-wall long cylindrical cabin, which comprises the following steps of: semi-continuous casting is carried out on the high-strength magnesium alloy; carrying out solution heat treatment on the semi-continuously cast high-strength magnesium alloy; machining the cast ingot; extruding the high-strength magnesium alloy with no defect on the surface into a tubular section; performing first rough machining on the cabin; carrying out aging heat treatment on the first rough machined cabin body; performing secondary rough machining on the cabin body subjected to the time-effect heat treatment; stress relief annealing is carried out on the cabin body after the second rough machining; performing finish machining on the annealed cabin; carrying out mouth frame and hole processing on the cabin body subjected to finish machining; and (4) checking: the test of the whole size is performed according to the test plan. The embodiment of the invention can solve the problems of the ultra-poor cylindricity and diameter size of the cabin body and the like, so that each cabin body produced according to the process flow meets the requirement of interchangeability and assembly; the workload of later-stage assembly and the like is greatly reduced, the product development period is shortened, and the development cost is reduced.