The invention relates to the technical field of electric vehicles, and particularly provides a multifunctional electric vehicle charger and a use method thereof, and the multifunctional electric vehicle charger comprises a power grid interface, a load interface, a converter DG1, a converter DG2, a DC bus, a relay Ja, a relay Jb, a relay Jc and a relay Jd; a network side interface of the converter DG1 is connected to a direct current bus through a relay Jb, and a network side interface of the converter DG2 is connected to the direct current bus through a relay Jd; the power grid interface is connected to the direct current bus through a relay Ja, and the load interface is connected to the direct current bus through a relay Jc; and end side interfaces of the converter DG1 and the converter DG2 are used for being connected with a battery of the electric automobile. The charger provided by the invention is relatively simple in circuit topological structure, has good electrical isolation capability, and is very high in safety and reliability and more complete in function.
本发明涉及电动汽车技术领域,具体提供了一种多功能电动汽车充电器及其使用方法,包括:电网接口、负载接口、变换器DG1、变换器DG2、直流母线、继电器Ja、继电器Jb、继电器Jc和继电器Jd;所述变换器DG1的网侧接口通过继电器Jb接入直流母线,所述变换器DG2的网侧接口通过继电器Jd接入直流母线;所述电网接口通过继电器Ja接入直流母线,所述负载接口通过继电器Jc接入直流母线;所述变换器DG1和变换器DG2的端侧接口均用于连接电动汽车的电池。本发明提供的充电器的电路拓扑结构较简单,具备良好的电气隔离的能力,安全性和可靠性很高并且功能更加完备。
Multifunctional electric vehicle charger and use method thereof
一种多功能电动汽车充电器及其使用方法
2023-04-04
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 |
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