The invention discloses a charging protection circuit, a charging method of an electric automobile and the electric automobile. The charging protection circuit comprises a power supply circuit, a drive circuit, a switch circuit, a temperature detection circuit, an external controller and a turn-on control circuit, wherein the power supply circuit is used for providing power supply; the drive circuit is used for providing switching driving current for the switch circuit; a switch of the switch circuit is used for connecting or disconnecting a charging loop; the temperature detection circuit isused for detecting the temperature of the switch circuit; the external controller is used for sending a control instruction for controlling the switch to be disconnected or connected to the turn-on control circuit; and the turn -on control circuit is used for sending a current control signal to the drive circuit. According to the charging method, the charging protection circuit is used for charging the electric vehicle; the electric automobile comprises the charging protection circuit. The charging circuit structure and the charging method of the automobile battery are improved, the low-temperature charging condition is thoroughly avoided, and the charging circuit structure and the charging method have the outstanding advantages of being simple in structure, easy to implement, low in costand the like.
本发明公开了一种充电保护电路、电动汽车的充电方法及电动汽车,该充电保护电路包括电源电路、驱动电路、开关电路、温度检测电路、外部控制器及开通控制电路,电源电路用于提供电源,驱动电路用于为开关电路提供开关的驱动电流,开关电路的开关用于接通或者断开充电回路,温度检测电路用于检测开关电路的温度,外部控制器用于向开通控制电路发出用于控制开关断开或闭合的控制指令,开通控制电路用于向驱动电路发出电流控制信号;该充电方法利用充电保护电路对电动汽车进行充电;该电动汽车包括充电保护电路。本发明对汽车电池的充电电路结构及充电方法进行了改进,彻底避免低温充电情况的发生,具有结构简单、易实施、成本低等突出优点。
Charging protection circuit, charging method of electric automobile and electric automobile
一种充电保护电路、电动汽车的充电方法及电动汽车
2020-04-17
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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