The invention discloses a short-circuit protection device, method and system for a direct-current charger and an electric vehicle. The short-circuit protection device comprises a charger main controller CMU, an electric vehicle BMS and a protection device. The protection device is arranged between a charging gun and an DC input end, the charging gun is connected with the electric vehicle BMS, the electric vehicle BMS is connected with the charger main controller CMU, and the charger main controller CMU is connected with the protection device. According to the invention, the protection effect of the fuse of the charger is fully exerted, the safety protection of the charger and the electric vehicle in the charging process is improved, and the maintenance cost of the electric vehicle is reduced.
一种直流充电机和电动汽车短路保护装置及方法及系统,其特征在于,包括充电机主控制器CMU、电动车BMS和保护装置;保护装置设置在充电枪和DC输入端之间,充电枪连接电动车BMS,电动车BMS连接充电机主控制器CMU,充电机主控制器CMU连接保护装置。本发明充分发挥充电机的熔断器保护作用,提高充电机和电动汽车充电过程中的安全性保护,降低电动汽车的维修成本。
Short-circuit protection device, method and system for direct-current charger and electric vehicle
一种直流充电机和电动汽车短路保护装置及方法及系统
2021-11-12
Patent
Elektronische Ressource
Chinesisch
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 / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen |
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