The charging station standby power system comprises a power grid, and the output end of the power grid is connected with an intelligent electric meter; the input end of the AC/DC unit is connected with the power grid through an electric wire; the output end of the AC/DC unit is connected with a selection circuit; the selection circuit comprises a single-chip microcomputer chip, the output end of the AC/DC unit is connected to the input end of the single-chip microcomputer chip, one output end of the single-chip microcomputer chip is connected with the input end of the DC/DC unit, and the otheroutput end of the single-chip microcomputer chip is connected with an energy storage module; the single-chip microcomputer chip is in signal communication with the intelligent electric meter, and thesingle-chip microcomputer chip controls the on or off state of the output end of the single-chip microcomputer chip according to the received detection information of the intelligent electric meter.The output end of the energy storage module is connected with the input end of the DC/DC unit through a switching circuit; and the output end of the DC/DC unit is connected with a plurality of DC charging piles. The electric energy transmission path can be selected according to different actual conditions; and meanwhile, the conversion loss in the electric quantity transmission process can be reduced.
本发明公开了一种充电站备电系统,包括电网,电网输出端连接有智能电表;AC/DC单元,AC/DC单元的输入端与电网通过电线相连;AC/DC单元的输出端连接有选择电路;选择电路,包括单片机芯片,AC/DC单元的输出端接入单片机芯片的输入端,单片机芯片的一输出端与DC/DC单元的输入端相连,另一输出端连接有储能模块;单片机芯片与智能电表信号相连通,单片机芯片根据接收到的智能电表的检测信息控制其输出端的导通或截断状态;储能模块,储能模块的输出端经开关电路与DC/DC单元的输入端相连;DC/DC单元,DC/DC单元的输出端连接有多个直流充电桩。本发明可根据不同实际情况选择电能传输路径;同时还可减少电量传输过程中的转换损耗。
Charging station standby power system
一种充电站备电系统
2020-07-17
Patent
Elektronische Ressource
Chinesisch
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