Embodiments of this application relate to the monitoring field, and disclose a method for monitoring an insulation monitoring circuit and a battery management system. In some embodiments of this application, the method for monitoring an insulation monitoring circuit includes: in a state in which a first switch and a second switch are closed and a third switch is open, obtaining a first electrical signal detected by a second monitoring module; and based on the first electrical signal and a voltage reference value between a positive electrode of a battery pack and a negative electrode of the battery pack, determining whether an insulation monitoring circuit is faulty; or obtaining a second electrical signal detected by a first monitoring module and a third electrical signal detected by a third monitoring module, and based on the second electrical signal and the third electrical signal, determining whether the insulation monitoring circuit is faulty. In this way, a fault of the insulation monitoring circuit can be detected in a timely manner.


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    Title :

    DETECTION METHOD FOR INSULATION TESTING CIRCUIT, AND BATTERY MANAGEMENT SYSTEM


    Additional title:

    DETEKTIONSVERFAHREN FÜR ISOLATIONSPRÜFSCHALTUNG UND BATTERIEVERWALTUNGSSYSTEM
    PROCÉDÉ DE DÉTECTION POUR CIRCUIT DE TEST D'ISOLATION, ET SYSTÈME DE GESTION DE BATTERIE


    Contributors:
    LI MENG (author) / LIU CHANGJIAN (author) / YE FUMING (author) / ZHOU FANGJIE (author) / WANG LIANSONG (author) / YAN LIDAN (author)

    Publication date :

    2023-02-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen




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