The invention discloses a direct-current input type electric automobile charging system, and belongs to the field of electric automobile charging. The invention aims to solve the problems that an existing vehicle-mounted charger is complex in circuit structure, large in size and high in integration cost. The system comprises an AC/DC conversion device and a plurality of terminal charging energy storage devices connected in parallel; each terminal charging energy storage device comprises a vehicle-mounted charger, wherein the vehicle-mounted charger comprises a resonance power converter; a power grid is connected to the AC/DC conversion device; conversion device. the DC end of the AC/DC conversion device is connected with the DC input ports of the resonance power converters of the terminal charging energy storage devices through a DC bus. According to the system, the structure of the vehicle-mounted charger is simplified, the single-machine cost is reduced, and the power density is also improved.
本发明公开了一种直流输入式电动汽车充电系统,属于电动汽车充电领域。本发明针对现有的车载充电机电路结构复杂,体积庞大、集成成本高的问题。本发明包括交流/直流变换装置和若干并接的终端充电储能装置,所述终端充电储能装置包括车载充电机,所述车载充电机包括谐振功率变换器,电网接入交流/直流变换装置,所述交流/直流变换装置的直流端经直流母线分别连接所述终端充电储能装置的谐振功率变换器的直流输入端口;本发明简化了车载充电机的结构,降低了单机成本,并且功率密度也得到提高。
Direct-current input type electric automobile charging system
一种直流输入式电动汽车充电系统
2022-01-25
Patent
Electronic Resource
Chinese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / H02S GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, E.G. USING PHOTOVOLTAIC [PV] MODULES , Erzeugung elektrischer Energie durch Umwandlung von Infrarot-Strahlung, sichtbarem Licht oder ultraviolettem Licht, z.B. unter Verwendung von Photovoltaik [PV]-Modulen |
European Patent Office | 2023
|Direct current charging pile device for electric automobile
European Patent Office | 2024
|Split direct current charging pile for electric automobile
European Patent Office | 2023
|