The invention belongs to the technical field of electric vehicle charging control, and particularly relates to a charging pile identification circuit and method, a charging control guide circuit and a vehicle-mounted charger. The charging pile identification circuit comprises an auxiliary power supply and a detection module, the first end of the detection module is connected with a CC2 terminal on a charging socket, and the second end of the detection module is connected with the anode of the auxiliary power supply; the cathode of the auxiliary power supply is grounded, and a closed loop is formed between the auxiliary power supply and the detection module after the charging gun is connected with the charging socket; the switch module is connected to the closed loop in series and used for controlling the state of the closed loop; the voltage dividing module is connected to the first end or the second end of the detection module; the control module is used for controlling the switch module to be switched on or switched off after the charging gun is connected with the charging socket, and diagnosing the switch module according to the collected voltage signals of the first end and the second end of the detection module and according to the collected voltage signals of the first end and the second end of the detection module; and identifying the type of the connected charging pile.

    本发明属于电动汽车充电控制技术领域,具体涉及一种充电桩识别电路和方法,充电控制导引电路和车载充电机。所述充电桩识别电路包括:辅助电源,检测模块,第一端与充电插座上的CC2端子连接,第二端与辅助电源正极连接;辅助电源负极接地设置,且当充电枪与充电插座连接后辅助电源和检测模块之间形成闭合回路;开关模块,串联在闭合回路上,用于控制闭合回路的状态;分压模块,连接在检测模块的第一端或第二端上;控制模块,用于在充电枪与充电插座连接后控制开关模块闭合或断开,并依据采集的检测模块第一端和第二端的电压信号并依据采集的所述检测模块第一端和第二端的电压信号对所述开关模块进行诊断,以及对连接的充电桩的类型进行识别。


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    Title :

    Charging pile identification circuit and method, charging control guide circuit and vehicle-mounted charger


    Additional title:

    充电桩识别电路和方法,充电控制导引电路和车载充电机


    Contributors:
    LIU QIAOYUN (author) / AI MINGCHENG (author) / JIN DINGCHENG (author)

    Publication date :

    2024-02-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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