The invention discloses a vehicle charging and discharging control system, a vehicle and a method for recognizing a vehicle charging and discharging mode, and the vehicle charging and discharging control system comprises a charging and discharging connection confirmation circuit which is suitable for being connected with a charging and discharging mode recognition resistor of a charging device to form a charging and discharging connection confirmation loop; the voltage differential sampling unit is connected with the charging and discharging connection confirmation circuit and is used for detecting a voltage differential value between the two ends of the charging and discharging mode identification resistor; the vehicle control device is connected with the voltage differential sampling unit and used for recognizing the vehicle charging and discharging mode according to the voltage differential value, and by means of the system, the problem that the sampling voltage value of the charging and discharging mode recognition resistor is affected due to the change of the voltage or current of a low-voltage power supply loop of the whole vehicle can be effectively solved; and the sampling precision of the charging and discharging mode identification resistor is improved.

    本发明公开了一种车辆充放电控制系统、车辆和识别车辆充放电模式的方法,所述车辆充放电控制系统包括:充放电连接确认电路,适于与充电装置的充放电模式识别电阻连接以形成充放电连接确认回路;电压差分采样单元,与充放电连接确认电路连接用于检测充放电模式识别电阻两端之间的电压差分值;车辆控制装置,与电压差分采样单元连接,用于根据电压差分值识别车辆充放电模式,采用该系统可以有效避免因整车低压供电回路电压或电流变化而对充放电模式识别电阻的采样电压值造成影响的问题,提高了对充放电模式识别电阻的采样精度。


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    Title :

    Vehicle charging and discharging control system, vehicle and method for identifying vehicle charging and discharging mode


    Additional title:

    车辆充放电控制系统、车辆和识别车辆充放电模式的方法


    Contributors:
    CHEN JING (author) / LU ZHONGQING (author) / LI WEICHENG (author) / SHI LEI (author) / SHEN YANG (author)

    Publication date :

    2024-07-26


    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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