The embodiment of the invention provides a vehicle-mounted motor control device and a vehicle-mounted motor control method, relates to the technical field of control circuits, and aims to solve the problem that potential safety hazards are increased due to the fact that residual charges exist in a circuit in the power-off and maintenance process of a battery management system under the conditions that a power supply circuit of a driving circuit board in the vehicle battery management system is damaged and the like. The vehicle-mounted motor control device comprises a high-voltage standby power supply circuit used for obtaining high-voltage electricity stored by a high-voltage battery pack of a vehicle, converting the high-voltage electricity into low-voltage electricity and providing the low-voltage electricity to a motor controller of the vehicle; an active discharge circuit; one end of the control unit is electrically connected with the high-voltage standby power supply circuit, the other end of the control unit is electrically connected with the active discharging circuit, and the control unit is used for sending a standby power supply starting signal to control the high-voltage standby power supply circuit to provide low-voltage power for a motor controller of the vehicle; and the control unit is used for sending an active discharge signal to control the active discharge circuit to release charges in a loop, and the loop is a driving circuit in the control unit.

    本申请实施例提供一种车载电机控制装置及控制方法,涉及控制电路技术领域,以解决车辆电池管理系统内驱动电路板的供电电路受损等情况下,电池管理系统断电及检修过程中电路存在残余电荷,导致安全隐患增加的问题。车载电机控制装置包括:高压备用电源电路,用于获取车辆的高压电池组存储的高压电,将高压电转换为低压电提供至车辆的电机控制器;主动放电电路;控制单元,控制单元的一端与高压备用电源电路电连接,控制单元的另一端与主动放电电路电连接,控制单元用于发送备用电源启动信号以控制高压备用电源电路向车辆的电机控制器提供低压电,用于发送主动放电信号以控制主动放电电路释放回路中的电荷,其中,回路为控制单元中的驱动电路。


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    Title :

    Vehicle-mounted motor control device and control method


    Additional title:

    一种车载电机控制装置及控制方法


    Contributors:
    ZHOU JIANPING (author) / FANG CHENG (author) / DING QING (author)

    Publication date :

    2024-02-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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