The direct-current slow-charging bidirectional charging pile is characterized by comprising a DC/DC conversion unit, an AC/DC conversion unit, an LCL filtering unit, a main control unit, a display unit, a communication unit, a bidirectional charging pile server and a mobile phone APP, the DC/DC conversion unit is provided with a half-bridge type bidirectional Buck/Boost circuit; a bidirectional full-bridge inverter rectifier is arranged on the AC/DC conversion unit; the LCL filtering unit is provided with a filtering circuit and a synchronous contactor; the main control unit is provided with a main control chip, an acquisition circuit, an execution circuit and a communication circuit; a plurality of LED state indicating lamps are arranged on the display unit; the communication unit is provided with a network port, a CAN port, a 485 port, a WiFi port, a 4G/5G port and a Bluetooth port. The method is widely applied to the field of new energy vehicle charging piles, the new energy vehicle battery pack can participate in peak regulation and frequency modulation, and the investment of a peak regulation and frequency modulation power station is saved.

    一种直流慢充双向充电桩及系统,其特征在于:包括DC/DC变换单元、AC/DC变换单元、LCL滤波单元、主控单元、显示单元、通讯单元、双向充电桩服务器、手机APP;所述DC/DC变换单元上设有半桥式双向Buck/Boost电路;所述AC/DC变换单元上设有双向全桥逆变整流器;所述LCL滤波单元上设有滤波电路及同步接触器;所述主控单元上设有主控芯片、采集电路、执行电路、通讯电路;所述显示单元上设有多个LED状态指示灯;所述通讯单元上设有网口、CAN口、485口、WiFi口、4G/5G口、蓝牙口。本发明广泛应用于新能源车充电桩领域,让新能源车电池组可以参与调峰、调频,节约调峰调频电站投资。


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    Title :

    Direct-current slow-charging bidirectional charging pile and system


    Additional title:

    一种直流慢充双向充电桩及系统


    Contributors:
    LI BAOYUAN (author)

    Publication date :

    2023-07-28


    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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