The invention discloses a high-performance power distribution circuit of an electric vehicle. The circuit comprises a power switch tube and a functional circuit connected with the power switch tube, wherein the input end of the power switch tube is connected with a DCDC converter of the electric vehicle, the output end of the power switch tube is connected with vehicle low-voltage equipment, a DCDC power supply is connected to the vehicle low-voltage equipment through the power distribution circuit to provide energy for the vehicle low-voltage equipment, and the functional circuit is used forprotecting the power switch tube. When power distribution is carried out on the electric vehicle, the operation is simple, and the performance is stronger. According to the invention, a voltage detection function, a current detection function, an overload protection function, an overcurrent limiting function and a short-circuit protection function can be realized; according to the electric vehiclepower distribution circuit, the functions are highly integrated, the design difficulty of the circuit is reduced, a quick response protection mode is adopted, and the product performance is greatly improved.

    一种电动汽车高性能功率分配电路,包括功率开关管以及与其连接的功能电路,功率开关管的输入端连接电动汽车的DCDC变换器,输出端连接车辆低压设备,通过功率分配电路将DCDC电源接入至车辆低压设备,为车辆低压设备提供能量,功能电路用于保护功率开关管。通过本发明对电动汽车进行功率分配时,操作简单,性能更强;本发明能够实现电压检测功能、电流检测功能、过载保护功能、过流限制功能、短路保护功能;本发明的电动汽车功率分配电路,功能高度集成,节省了电路的设计难度,快速响应的保护方式,大大的提高产品的性能。


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    Title :

    High-performance power distribution circuit of electric vehicle


    Additional title:

    一种电动汽车高性能功率分配电路


    Contributors:
    DENG CHUCAI (author) / ZHAO JIANLIN (author) / CHENG LING (author)

    Publication date :

    2020-04-14


    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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