The invention relates to the technical field of new energy charging piles, and discloses a direct-current charging pile power distribution system and method. The system comprises an alternating-current input, an alternating-current circuit breaker electrically connected to the downstream of the alternating-current input, and an alternating-current lightning protection device is electrically connected to the downstream of the alternating-current circuit breaker. According to the direct-current charging pile power distribution system and method, through arrangement of a main control CPU unit, asystem power supply unit, a 485 communication unit, a CAN communication unit, an alternating-current contactor control unit, a relay control unit, an emergency control unit and a heat dissipation control unit, according to the charging requirement of a new energy automobile and by combining the self-generating characteristic of a charging pile, charging is conducted while the requirements of various new energy automobiles are met to the maximum extent, so that improving the power utilization rate of the charging pile and shortening the charging time of the new energy automobiles; and meanwhile, the emergency control unit and the heat dissipation control unit can well protect various emergencies occurring during charging of the new energy automobiles, and the safety of the device in actualapplication is greatly improved.

    本发明涉及新能源充电桩技术领域,且公开了一种直流充电桩功率分配系统及方法,包括交流电输入,交流电输入下游电性连接交流断电器,交流断电器下游电性连接交流防雷器。该直流充电桩功率分配系统及方法,通过设置主控CPU单元、系统电源单元、485通信单元、CAN通信单元、交流接触器控制单元、继电器控制单元、紧急控制单元和散热控制单元,可根据新能源汽车的充电需求,并且结合充电桩自生的特点,最大限度的满足各种新能源汽车需求的同时充电,提升充电桩的功率利用率,缩短新能源汽车的充电时间,同时紧急控制单元和散热控制单元,能够很好的保护在新能源汽车在充电时发生的各种突发情况,大大提高了该装置在实际运用中的安全性。


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    Title :

    Direct-current charging pile power distribution system and method


    Additional title:

    一种直流充电桩功率分配系统及方法


    Contributors:
    YE SHUNFU (author)

    Publication date :

    2021-01-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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