The invention discloses a power battery safety protection system and safety protection method. The system comprises a temperature monitoring circuit which is used for monitoring the temperature of a power battery, and transmitting a temperature monitoring signal; a voltage monitoring circuit used for monitoring the voltage of the power battery and sending out a voltage monitoring signal; an AND gate circuit used for receiving the temperature signal and the voltage signal and sending a control instruction; a contactor arranged on a main loop of the power battery; and a control circuit used forreceiving the control instruction sent by the AND gate circuit and controlling the on-off of the contactor based on the control instruction. On the basis of the existing management system protection circuit of a power battery, a set of pure hardware protection circuit is additionally arranged. The safety of a power battery is enhanced.

    本发明公开了一种动力电池安全保护系统及安全保护方法,包括:温度监控电路,用于监控动力电池的温度,并发出温度监控信号;电压监控电路,用于监控动力电池的电压,并发出电压监控信号;与门电路,接收所述温度信号和电压信号,并发出控制指令;接触器,所述接触器设置在动力电池的主回路上;控制电路,所述控制电路接收所述与门电路发出的控制指令并基于所述控制指令控制所述接触器的切断和闭合。本发明在动力电池既有管理系统保护电路的基础上,额外增加一套纯硬件保护电路。提高动力电池的安全性。


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    Title :

    Power battery safety protection system and safety protection method


    Additional title:

    一种动力电池安全保护系统及安全保护方法


    Contributors:
    JIANG YIGAO (author) / WEN JIBIN (author) / CHEN XU (author) / LI ZHAOYU (author)

    Publication date :

    2020-11-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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