The invention relates to a battery management system contactor control system and method. The system comprises a system basic chip, a microcontroller, a circuit holding circuit module, a contactor high-side driving module, a contactor low-side driving module and a contactor. Compared with the prior art, based on the control method obtained by combining all modules of the system, the microcontroller of the battery management system can realize the capabilities of resetting and taking over the contactor control again in an unexpected fault state, and can maintain the power output of a vehicle, prevent accidents caused by power loss and meet the requirement of fault safety processing in function safety definition under the condition that the vehicle runs.

    本发明涉及一种电池管理系统接触器控制系统及方法,其中系统包括系统基础芯片、微控制器、电路保持电路模块、接触器高边驱动模块、接触器低边驱动模块以及接触器,与现有技术相比,通过基于本发明系统各模块结合得到的控制方法,能够实现电池管理系统微控制器在非预期故障状态下,实现复位处理并重新接管接触器控制的能力,同时在车辆行驶的情况下,能够保持车辆动力输出,防止动力丢失造成事故发生,满足功能安全定义中故障安全处理的要求。


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    Title :

    Battery management system contactor control system and method


    Additional title:

    一种电池管理系统接触器控制系统及方法


    Contributors:
    ZHANG WEIYOU (author) / LI JIA (author) / HAN PENG (author) / WU ZHAOMING (author)

    Publication date :

    2020-10-09


    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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