A detection circuit includes a switch conversion unit and a collection control unit. The switch conversion unit is configured to: enable a first end of the switch conversion unit to connect to a third end of the switch conversion unit within first duration, and enable a second end of the switch conversion unit to connect to the third end of the switch conversion unit within second duration. The collection control unit is configured to: collect a voltage (V1) between a first end of a relay and a second end of a battery pack within the first duration, collect a voltage (V2) between a second end of the relay and the second end of the battery pack within the second duration, and determine, based on V1 and V2, whether the relay is faulty.


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    Titel :

    Detection Circuit, Method, and Apparatus


    Beteiligte:
    WANG WENCHENG (Autor:in) / LV YANG (Autor:in) / GAO TING (Autor:in)

    Erscheinungsdatum :

    2020-01-09


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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