The invention relates to the field of charging systems, in particular to a quick charging type electric vehicle charging system. The charging system comprises a power grid, an auxiliary source system,a CB1 main switch, an AC/DC charger, an SPD AC lightning protection device, an RY1 DC relay, an RY2 DC relay, an RY3 DC relay, a DC/DC charger, a slow charging port, a fast charging port and an energy storage system, the power grid is connected to the front stage of the CB1 main switch, and the auxiliary source system, the AC/DC charger and the SPD AC lightning protection device are connected tothe rear stage of the CB1 main switch. According to the invention, layout is carried out through the auxiliary source system, the AC/DC charger, the DC/DC charger, the energy storage system, the CB1 main switch and the DC relay. Super fast charging of the electric vehicle is realized under the condition of a limited power grid, the charging rate is improved, and the charging cost is saved; and alternating-current slow charging or direct-current quick charging can be selected according to specific requirements.
本发明涉及充电系统领域,尤其是快充型电动车充电系统。该充电系统包括电网、辅源系统、CB1总开关、AC/DC充电器、SPD交流防雷器、RY1直流继电器、RY2直流继电器、RY3直流继电器、DC/DC充电器、慢充口、快充口、储能系统,所述电网连接在CB1总开关前级,辅源系统、AC/DC充电器、SPD交流防雷器分别连接在CB1总开关后级。本发明通过辅源系统、AC/DC充电器、DC/DC充电器、储能系统、CB1总开关、直流继电器进行布局。在有限电网条件下实现电动汽车超级快充,提高充电速率、节省充电费用;可根据具体需求选择交流慢速充电或者直流快速充电。
Quick charging type electric vehicle charging system
快充型电动车充电系统
2020-12-15
Patent
Electronic Resource
Chinese
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