The invention provides a high-voltage interlocking diagnosis circuit, a high-voltage interlocking diagnosis method and an electric vehicle. The high-voltage interlocking diagnosis circuit comprises a control module, a high-voltage interlocking module, an output sampling module, an input sampling module and a power supply module. Wherein the input end and the output end of the high-voltage interlocking module are connected with an external circuit to form a loop. The control module, the high-voltage interlocking module and the power supply module are connected in series to form a main circuit of the high-voltage interlocking diagnosis circuit. An output sampling module and an input sampling module in the high-voltage interlocking diagnosis circuit are respectively connected with a high-voltage interlocking module and are used for acquiring the input voltage and the output voltage of the high-voltage interlocking module. The control module can obtain the input voltage and the output voltage through the output sampling module and the input sampling module so as to diagnose the external circuit. According to the high-voltage interlocking diagnosis circuit, the reliability of a diagnosis result and the accuracy of diagnosis are improved.

    本申请提供一种高压互锁诊断电路、高压互锁诊断方法和电动汽车。其中,高压互锁诊断电路包括控制模块、高压互锁模块、输出采样模块、输入采样模块和电源模块。其中,高压互锁模块的输入端和输出端与外部电路连接,并形成回路。该控制模块、高压互锁模块和电源模块串联连接,形成高压互锁诊断电路的主干电路。该高压互锁诊断电路中的输出采样模块和输入采样模块分别与该高压互锁模块连接,用于获取该高压互锁模块的输入电压和输出电压。控制模块可以通过该输出采样模块和输入采样模块获取该输入电压和该输出电压,以实现对该外部电路的诊断。本申请的高压互锁诊断电路,提高了诊断结果的可靠性和诊断的准确性。


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    Titel :

    High-voltage interlocking diagnosis circuit, high-voltage interlocking diagnosis method and electric vehicle


    Weitere Titelangaben:

    高压互锁诊断电路、高压互锁诊断方法和电动汽车


    Beteiligte:
    DAI SHUMIN (Autor:in) / LI XIN (Autor:in) / ZHANG JIAPING (Autor:in) / NIU YAQI (Autor:in) / CHEN DETING (Autor:in)

    Erscheinungsdatum :

    2022-11-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES




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