The invention provides a relay control system, a relay control method, a relay control device and an automobile, and relates to the technical field of automobiles. The relay control system comprises a battery pack, a main positive relay, a main negative relay, a pre-charging relay, a pre-charging resistor, a load, a first voltage detection unit, a second voltage detection unit and a third voltage detection unit; the first voltage detection unit is connected to two ends of the battery pack; the first end of the second voltage detection unit is connected to a connecting line of the pre-charging resistor and the pre-charging relay, and the second end is connected to a negative electrode end of the battery pack; the first end of the third voltage detection unit is connected to a connection line of the main positive relay and the load, and the second end is connected to a negative end of the battery pack. The main negative relay is controlled through a vehicle control unit and a battery management system, so that compatibility of an existing control strategy and a battery management system supplier control strategy is achieved.

    本发明提供了一种继电器控制系统、控制方法、装置及汽车,涉及汽车技术领域。该继电器控制系统,包括:电池组、主正继电器、主负继电器、预充继电器、预充电阻和负载、第一电压检测单元、第二电压检测单元和第三电压检测单元;其中,第一电压检测单元连接在电池组的两端;第二电压检测单元的第一端连接在预充电阻与预充继电器的连接线路上,第二端连接在电池组的负极端;第三电压检测单元的第一端连接在主正继电器与负载的连接线路上,第二端连接在电池组的负极端。通过整车控制器和电池管理系统两个控制器对主负继电器进行控制,从而实现了现有控制策略和电池管理系统供应商控制策略的兼容。


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    Title :

    Relay control system, control method and device and automobile


    Additional title:

    一种继电器控制系统、控制方法、装置及汽车


    Contributors:
    ZHENG LEI (author) / LI XINGHUA (author)

    Publication date :

    2022-02-18


    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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung




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