The invention discloses a hydrogen energy automobile high-voltage power distribution PDU system and a power distribution method thereof. The system comprises a first high-voltage power distribution unit and a second high-voltage power distribution unit, wherein the first high-voltage power distribution unit is electrically connected with a fuel cell and a first high-voltage electric device in a cabin, and the first high-voltage power distribution unit is further provided with a pre-charging interface; the second high-voltage power distribution unit is electrically connected with the fuel cell,the auxiliary energy source and the second high-voltage electric device, a pre-charging output port is formed in the second high-voltage power distribution unit, and the pre-charging output port is electrically connected with the pre-charging interface through a high-voltage wiring harness. The high-voltage power distribution PDU system is divided into the first high-voltage power distribution unit and the second high-voltage power distribution unit, the first high-voltage power distribution unit meets the power distribution requirement of the first high-voltage electric device in the cabin,and the second high-voltage power distribution unit meets the power distribution requirement of the second high-voltage electric device; only one high-voltage wire harness is needed as a pre-chargingwire harness for connection between the first high-voltage power distribution unit and the second high-voltage power distribution unit, and the number of the high-voltage wire harnesses is reduced.

    本发明公开了一种氢能源汽车高压配电PDU系统及其配电方法。本发明包括第一高压配电单元和第二高压配电单元,第一高压配电单元分别与燃料电池和机舱内的第一高压电器件电连接,第一高压配电单元上还设有预充接口;第二高压配电单元与燃料电池、辅助能源和和第二高压电器件电连接,第二高压配电单元上设有预充输出口,预充输出口与预充接口通过一高压线束电连接。本发明将高压配电PDU系统分为第一高压配电单元与第二高压配电单元,第一高压配电单元满足机舱内的第一高压电器件的配电需求,第二高压配电单元满足第二高压电器件的配电需求,而第一高压配电单元与第二高压配电单元之间仅需一根高压线束作为预充线束联结即可,减少高压线束。


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    Title :

    Hydrogen energy automobile high-voltage power distribution PDU system and power distribution method thereof


    Additional title:

    一种氢能源汽车高压配电PDU系统及其配电方法


    Contributors:
    LI MIAO (author) / HAO YIGUO (author) / FENG GANG (author)

    Publication date :

    2021-01-29


    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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