The invention belongs to the technical field of electric automobiles, and particularly relates to a high-voltage system of an electric automobile, which comprises a high-voltage power battery system, a high-voltage distribution box, a control part and a high-voltage part, the high-voltage power battery system comprises a voltage source, a pre-charging loop and a power interface, the voltage source and the pre-charging loop are connected in parallel, the positive and negative electrodes of the voltage source are communicated with the input of the power interface, and the power interface is connected with the high-voltage distribution box; the high-voltage distribution box is connected with a high-voltage component; and the control part is used for controlling the on-off state of the voltage source, the pre-charging loop state and the power supply state of the high-voltage distribution box. According to the invention, the problem of high cost caused by many pre-charging circuits in the high-voltage distribution box of the electric vehicle in the prior art can be solved.

    本发明属于电动汽车技术领域,尤其涉及一种电动汽车的高压系统,包括高压动力电池系统、高压配电盒、控制部件以及高压部件;所述高压动力电池系统包括电压源、预充回路和电源接口,所述电压源和预充回路并联,电压源的正负极与电源接口输入连通,电源接口与高压配电盒连接;所述高压配电盒连接高压部件;所述控制部件用于控制电压源通断状态、预充回路状态以及高压配电盒供电状态。本发明能够解决现有技术中电动汽车的高压配电盒内因预充电路较多造成的成本高的问题。


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    Title :

    High-voltage system of electric automobile


    Additional title:

    一种电动汽车的高压系统


    Contributors:
    HAN MING (author) / HE YINGCHAO (author)

    Publication date :

    2024-09-24


    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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