The invention relates to a universal vehicle-mounted charger for an electric vehicle, belongs to the technical field of new energy electric vehicle energy complementation, and particularly relates to an alternating current and direct current compatible vehicle-mounted charging technology for the electric vehicle. The universal vehicle-mounted charger for the electric vehicle comprises an alternating current charging module and a direct current power supply module, the alternating current charging module is a universal alternating current 220V slow charging OBC, and vehicle-mounted charging of a vehicle power battery alternating current pile is completed; the direct-current power supply module comprises a voltage isolation and transformation unit and an anti-backflow unit, the voltage isolation and transformation unit boosts a vehicle power battery to a handshake condition voltage value accepted by the direct-current charging pile through direct-current voltage conversion and induces the direct-current charging pile to supply power, and a charging pile direct-current power supply is connected to the alternating-current charging module through the anti-backflow unit; and the direct-current pile vehicle-mounted fast charging of the vehicle power battery is realized.
本发明涉及一种电动车辆通用车载充电器,属于新能源电动车辆补能技术领域,特别涉及电动车辆交直流兼容车载充电技术;电动车辆通用车载充电器包括:交流充电模块和直流供电模块,交流充电模块为通用交流220V慢充OBC,完成车辆动力电池交流桩车载充电;直流供电模块包括:电压隔离变换单元和防倒灌单元,电压隔离变换单元将车辆动力电池,经直流电压转换、升压至直流充电桩认可的握手条件电压值,诱导直流充电桩供电,充电桩直流电源经防倒灌单元接入交流充电模块,实现车辆动力电池直流桩车载快充。
Universal vehicle-mounted charger for electric vehicle
电动车辆通用车载充电器
2023-07-14
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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