The invention relates to an LLC circuit detection method, a vehicle-mounted charger and a vehicle, and the method comprises the steps: responding to the soft start of an LLC circuit, carrying out the self-inspection judgment, controlling the on-off of a switching tube in the LLC circuit, and obtaining an electric signal from a plurality of collection points, the collection points corresponding to a primary bridge arm and/or a secondary bridge arm of the LLC circuit; according to the invention, joint judgment is carried out through the electric signals acquired by the plurality of acquisition points to determine whether the switch tube in the LLC circuit has a fault, so that the fault detection efficiency and safety of the LLC circuit can be improved.

    本公开涉及一种LLC电路检测方法、车载充电机以及车辆,包括:响应于LLC电路软启动并进行自检判断,控制所述LLC电路中的开关管的通断,以从多个采集点采集得到电信号,所述采集点对应所述LLC电路的原边桥臂和/或副边桥臂;通过多个所述采集点采集到的所述电信号进行联合判断,确定所述LLC电路中的开关管是否发生故障,进而可以提高LLC电路的故障检测效率和安全性。


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    Title :

    LLC circuit detection method, vehicle-mounted charger and vehicle


    Additional title:

    LLC电路检测方法、车载充电机以及车辆


    Contributors:
    LIU XUEYAN (author) / LI LIN (author) / WANG CHAO (author) / WANG XINGHUI (author) / ZHANG NI (author)

    Publication date :

    2024-07-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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