摘要：【中文】本发明公开了一种基于培训平台的普通学员端的培训方法，包括：获取用户在注册界面所输入的个人注册信息；获取用户在登录界面所输入的个人的身份证号码及密码；在确定个人身份证号码及密码正确时，跳出课程购买界面；获取用户在购买界面所选中的课程，且在确定用户付费成功后，将购买成功的课程数据下载至用户所对应的个人中心的课程列表中，并在确定用户点击该课程列表内的课程后，对该课程进行学习操作。通过上述方式，本发明所能够让学员自主购买喜欢的课程进行学习，使得培训课程不再固定不变，能够提高学员的学习积极性，也能让学员学到新知识。 【EN】The invention discloses a training method of a common student side based on a training platform, which comprises the following steps: acquiring personal registration information input by a user in a registration interface; acquiring a personal identification number and a password input by a user in a login interface; jumping out of the course purchasing interface when the personal identification number and the password are determined to be correct; and acquiring the course selected by the user in the purchase interface, downloading the course data which is successfully purchased into a course list of a personal center corresponding to the user after determining that the user successfully pays the fee, and performing learning operation on the course after determining that the user clicks the course in the course list. By the mode, the trainees can independently purchase favorite courses for learning, so that training courses are not fixed any more, the learning enthusiasm of the trainees can be improved, and the trainees can learn new knowledge.

摘要：【中文】本发明提供一种制动器、变速箱和车辆。所述制动器包括制动器毂、凸轮环、棘轮环以及至少一个棘爪；所述棘轮环可转动地与所述制动器毂相连，且所述棘轮环上设置有至少一个棘爪槽，每个所述棘爪对应至少一个所述棘爪槽；所述凸轮环可转动地设置在所述制动器毂中，且所述凸轮环上设置有第一凸轮组，所述第一凸轮组包括至少一个第一凸轮，每个所述第一凸轮对应至少一个所述棘爪，以在所述凸轮环转动时，所述第一凸轮能够驱动对应的所述棘爪卡入或卡出对应的所述棘爪槽中。本发明的制动器，能够有效的降低驱动元件的功率和驱动力要求，借助凸轮的自锁面，制动后该制动器的驱动元件不需要再提供动力，能够减小系统能量损失，有效提高系统效率。 【EN】The invention provides a brake, a gearbox and a vehicle. The brake includes a brake hub, a cam ring, a ratchet ring, and at least one pawl; the ratchet ring is rotatably connected with the brake hub, at least one pawl groove is formed in the ratchet ring, and each pawl corresponds to at least one pawl groove; the cam ring is rotatably arranged in the brake hub, a first cam group is arranged on the cam ring and comprises at least one first cam, each first cam corresponds to at least one pawl, and when the cam ring rotates, the first cams can drive the corresponding pawls to be clamped into or out of the corresponding pawl grooves. The brake can effectively reduce the power and driving force requirements of the driving element, and the driving element of the brake does not need to provide power after braking by virtue of the self-locking surface of the cam, so that the energy loss of a system can be reduced, and the efficiency of the system can be effectively improved.

摘要：【中文】本发明涉及一种动力蓄电池信息溯源系统，所述系统包括：电池数据管理子系统，与所述信息溯源管理子系统进行通信连接，用于向所述信息溯源管理子系统发送所有动力蓄电池的溯源信息；车辆生产管理子系统，与所述信息溯源管理子系统进行通信连接，用于从所述信息溯源管理系统获取所有动力蓄电池的溯源信息，并用于向所述信息溯源管理系统发送车辆生产信息，所述车辆生产信息包括一一对应的车辆身份信息、装车的动力蓄电池的溯源信息和装车的底盘信息；信息溯源管理子系统，用于对所述动力蓄电池的原始溯源信息进行记录，并将与所述装车的动力蓄电池的溯源信息对应的所述车辆生产信息进行记录。实施本发明，可满足动力蓄电池所需的全方位的追溯。 【EN】The invention relates to a power storage battery information traceability system, which comprises: the battery data management subsystem is in communication connection with the information traceability management subsystem and is used for sending traceability information of all power storage batteries to the information traceability management subsystem; the vehicle production management subsystem is in communication connection with the information traceability management subsystem, and is used for acquiring traceability information of all power storage batteries from the information traceability management system and sending vehicle production information to the information traceability management system, wherein the vehicle production information comprises vehicle identity information, traceability information of loaded power storage batteries and loaded chassis information which are in one-to-one correspondence; and the information traceability management subsystem is used for recording original traceability information of the power storage battery and recording vehicle production information corresponding to the traceability information of the loaded power storage battery. The implementation of the invention can meet the requirement of all-round tracing of the power storage battery.

摘要：【中文】本发明公开了一种数据采集与传输装置及方法，其装置包括：低频振动传感器，用于采集被监控区域的振动信号；信号调理电路对振动信号进行预处理，得到处理后的模拟信号；模数转换电路将模拟信号转换成数字信号；控制处理模块控制模数转换电路对模拟信号进行模数转换处理，并对数字信号进行预处理，得到预处理后的数字信号；通信接口模块，用于输出预处理后的数字信号。本发明通过采集振动信号来进行监控，不易受到天气及环境的影响，降低了误报率；另一方面，集采集与传输为一体，具有高集成度、高精度、高分辨率、传输低时延等特点，可方便用于自然环境较恶劣的应用场景，且适用于长距离信号传输。 【EN】The invention discloses a data acquisition and transmission device and a method, wherein the device comprises: the low-frequency vibration sensor is used for acquiring vibration signals of a monitored area; the signal conditioning circuit is used for preprocessing the vibration signal to obtain a processed analog signal; the analog-to-digital conversion circuit converts the analog signal into a digital signal; the control processing module controls the analog-to-digital conversion circuit to perform analog-to-digital conversion processing on the analog signal and preprocesses the digital signal to obtain a preprocessed digital signal; and the communication interface module is used for outputting the preprocessed digital signals. The invention monitors by collecting vibration signals, is not easily influenced by weather and environment, and reduces the false alarm rate; on the other hand, the method integrates acquisition and transmission, has the characteristics of high integration level, high precision, high resolution, low transmission time delay and the like, can be conveniently used in application scenes with severe natural environments, and is suitable for long-distance signal transmission.

摘要：【中文】本发明提供了一种轴系振动控制的自适应调节压电分流半被动控制装置。包括：压电分流电路、供电装置、自适应调节电路。自适应调节电路与所述压电分流电路连接，采用电压探针对压电分流电路中的多个电压进行实时测量，依据最优参数下电路中的电压特性，使测量的电压的差或乘积结果作为自适应调节的依据参数，调节压电分流电路。通过监控负电容电路中电压参数(或它们的乘积、差值等)，根据电压参数的特性给出调节规则，输出实时电压自适应调节双负电容电路中的电路可控电阻参数，使负电容的特性始终满足最优参数，实现自适应调节控制。 【EN】The invention provides a self-adaptive adjustment piezoelectric shunt semi-passive control device for controlling shaft system vibration. The method comprises the following steps: piezoelectric shunt circuit, power supply unit, self-adaptation regulating circuit. The self-adaptive adjusting circuit is connected with the piezoelectric shunt circuit, a voltage probe is adopted to measure a plurality of voltages in the piezoelectric shunt circuit in real time, and the difference or product result of the measured voltages is used as the reference parameter of self-adaptive adjustment to adjust the piezoelectric shunt circuit according to the voltage characteristics in the circuit under the optimal parameter. By monitoring the voltage parameters (or the product, the difference value and the like) in the negative capacitor circuit, an adjusting rule is given according to the characteristics of the voltage parameters, and real-time voltage is output to adaptively adjust the controllable resistance parameters of the circuit in the double negative capacitor circuit, so that the characteristics of the negative capacitors always meet the optimal parameters, and adaptive adjustment and control are realized.

摘要：【中文】本发明提供了一种变转速螺旋桨轴系纵向和横向多模态振动控制装置及方法，包括：供电装置静止端(1)、供电装置旋转端(2)、压电分流电路(3)和切换/扫频电路(4)；供电装置旋转端与压电分流电路连接在变转速螺旋桨轴系的转轴上，随所述转轴同步旋转，供电装置静止端设置在供电装置旋转端的外侧，切换/扫频电路与压电分流电路电连接，压电分流电路与供电装置旋转端电连接；其中，切换/扫频电路控制压电分流电路中的电感和电阻的值按照预设的规律周期性变化。本发明采用切换/扫频电路，可以不做系统辨识即可进行多模态控制、并且可以在变工况系统中任用。 【EN】The invention provides a longitudinal and transverse multi-mode vibration control device and method for a variable-speed propeller shaft system, which comprises the following steps: the device comprises a power supply device static end (1), a power supply device rotating end (2), a piezoelectric shunt circuit (3) and a switching/frequency sweeping circuit (4); the rotating end of the power supply device and the piezoelectric shunt circuit are connected to a rotating shaft of the variable-speed propeller shaft system and synchronously rotate along with the rotating shaft, the static end of the power supply device is arranged on the outer side of the rotating end of the power supply device, the switching/frequency sweeping circuit is electrically connected with the piezoelectric shunt circuit, and the piezoelectric shunt circuit is electrically connected with the rotating end of the power supply device; the switching/frequency sweeping circuit controls the values of the inductance and the resistance in the piezoelectric shunt circuit to periodically change according to a preset rule. The invention adopts the switching/frequency sweeping circuit, can carry out multi-mode control without system identification and can be used in a variable working condition system.

摘要：【中文】本发明提供了一种抗饱和负电容压电分流电路半被动振动控制装置和方法，包括：滑环供电装置定子、滑环供电装置转子和分流电路；滑环供电装置转子通过过盈配合固定在推进轴系的转轴上，与滑环供电装置定子之间通过轴承连接；压电分流电路连接在转轴上，随转轴共同旋转。采用高电压运算放大器，结合双向瞬变抑制二极管、保护运算放大器的二极管、用于旁路电源的电容器等提高高电压运算放大器的稳健性；采用普通运算放大器，结合高电压功率放大器电路、阻性的电压分压器电路和高电压缓冲器电路来实现。通过第一负电容、第二负电容增强机电耦合系数，适合于推进轴系低转速弱应变和机电耦合系数小的场合、高转速大激励力的场合。 【EN】The invention provides a semi-passive vibration control device and method of an anti-saturation negative capacitance piezoelectric shunt circuit, which comprises the following steps: the slip ring power supply device comprises a slip ring power supply device stator, a slip ring power supply device rotor and a shunt circuit; the rotor of the slip ring power supply device is fixed on a rotating shaft of the propulsion shaft system through interference fit and is connected with the stator of the slip ring power supply device through a bearing; the piezoelectric shunt circuit is connected to the rotating shaft and rotates together with the rotating shaft. The robustness of the high-voltage operational amplifier is improved by adopting the high-voltage operational amplifier and combining a bidirectional transient suppression diode, a diode for protecting the operational amplifier, a capacitor for a bypass power supply and the like; the method is realized by adopting a common operational amplifier and combining a high-voltage power amplifier circuit, a resistive voltage divider circuit and a high-voltage buffer circuit. The electromechanical coupling coefficient is enhanced through the first negative capacitor and the second negative capacitor, and the method is suitable for occasions with low rotating speed and weak strain of a propulsion shaft system, small electromechanical coupling coefficient and occasions with high rotating speed and large exciting force.

摘要：【中文】本发明公开了一种钢构件热浸锌的助镀剂，助镀剂为松香。本发明还公开了采用上述助镀剂的热浸锌工艺，该热浸锌工艺无需干燥和预热过程，有效缩短热浸锌时间，大大节约能源。本发明助镀液采用无铵配方，安全环保的同时能够有效降低浸镀时产生的烟尘和锌爆现象，而且不会造成漏镀问题；并且能够使浸镀后的镀层厚度均匀，与传统铵盐配方助镀的浸镀件在相同条件下镀层厚度增加。 【EN】The invention discloses a plating assistant agent for hot dip galvanizing of a steel member, which is rosin. The invention also discloses a hot dip galvanizing process adopting the plating assistant agent, which does not need drying and preheating processes, effectively shortens the hot dip galvanizing time and greatly saves energy. The plating assistant solution adopts an ammonium-free formula, is safe and environment-friendly, can effectively reduce the phenomena of smoke dust and zinc explosion generated during dip plating, and can not cause the problem of plating leakage; and the thickness of the plating layer after dip plating can be uniform, and the thickness of the plating layer is increased under the same condition with the dip plated piece assisted by the traditional ammonium salt formula.

摘要：【中文】本发明提供了一种推进轴系振动控制的压电分流半被动控制装置及设计方法，包括：压电分流电路：连接在推进轴系的推进轴上，随所述推进轴旋转；供电装置：包括静止端和旋转端，所述旋转端连接在所述推进轴上，随所述推进轴旋转，并与所述压电分流电路电连接，所述静止端设置于所述旋转端的外围，通过所述旋转端向所述压电分流电路供电。本发明采取动力吸振措施可有效抑制螺旋桨的纵向和横向振动，附加质量小，对轴系不对中等的影响小。 【EN】The invention provides a piezoelectric shunt semi-passive control device for vibration control of a propulsion shaft system and a design method, wherein the piezoelectric shunt semi-passive control device comprises: piezoelectric shunt circuit: the device is connected to a propulsion shaft of a propulsion shaft system and rotates along with the propulsion shaft; a power supply device: the piezoelectric shunt circuit comprises a static end and a rotating end, wherein the rotating end is connected to the propulsion shaft, rotates along with the propulsion shaft and is electrically connected with the piezoelectric shunt circuit, and the static end is arranged on the periphery of the rotating end and supplies power to the piezoelectric shunt circuit through the rotating end. The invention adopts dynamic vibration absorption measures to effectively restrain the longitudinal and transverse vibration of the propeller, has small additional mass and has small influence on shafting.

摘要：【中文】本发明实施例公开了一种高密封性的生物检测留存装置，包括开口向上的主罐体，所述主罐体的顶端活动连接有开口向下的密封盖，所述密封盖的底端开口处设有可变形并向内倾斜的环形卡套，所述主罐体的外侧设有可卡入所述密封盖底端的蓄水卡座，通过密封盖的底端开口处设有可变形并向内倾斜的环形卡套，当密封盖的底端卡入蓄水卡座的凹槽内，通过往蓄水卡座的凹槽内倒入适量的水，使得环形卡套与主罐体之间被阻隔；通过在密封盖的内部设有半圆形的硅胶顶块，硅胶顶块可穿过垫板上设置的通孔并挤压主罐体内安装的密封瓶，防止密封瓶掉出，随着垫板上的通孔被硅胶顶块覆盖配合活动垫板可进一步增强密封性能。 【EN】The embodiment of the invention discloses a biological detection and retention device with high sealing performance, which comprises a main tank body with an upward opening, wherein the top end of the main tank body is movably connected with a sealing cover with a downward opening, an opening at the bottom end of the sealing cover is provided with a deformable and inward-inclined annular clamping sleeve, the outer side of the main tank body is provided with a water storage clamping seat which can be clamped at the bottom end of the sealing cover, the opening at the bottom end of the sealing cover is provided with the deformable and inward-inclined annular clamping sleeve, and when the bottom end of the sealing cover is clamped in a groove of the water storage clamping seat, a proper amount of water is poured into the groove of the water storage clamping seat, so that the; through being equipped with semicircular silica gel kicking block in the inside of sealed lid, the silica gel kicking block can pass the through-hole that sets up on the backing plate and extrude the sealed bottle of main internal installation of jar, prevents that sealed bottle from falling out, and through-hole along with on the backing plate is covered the cooperation movable backing plate by the silica gel kicking block and can further strengthen sealing performance.