The invention discloses a charging control method of a pure electric bus vehicle control unit, which comprises the following steps of: during charging, firstly turning off a DCDC and a PTC, turning off a driving motor, turning off a relay when detecting that the current of a battery is smaller than the maximum allowable current required for turning off the relay, and at the moment, sending a charging preparation completion signal to the vehicle control unit and an instrument panel; when the charging current is smaller than the minimum charging current set by the system, the whole vehicle controller responds to allow signal response, when the charging current is smaller than the minimum charging current set by the system, disconnecting the charging relay, sending a charging completion signal to the whole vehicle controller and the instrument panel, the whole vehicle controller responds to complete the whole charging process, and in the charging process, the whole vehicle controller and the safety controller monitor the charging process. The charging process of the pure electric bus is controlled by the vehicle control unit, the vehicle control unit and the safety controller monitor charging of the pure electric bus in the charging process, and charging accidents can be prevented.
本发明公开了一种纯电动客车整车控制器的控制充电方法,该方法为:充电时,首先关闭DCDC和PTC,关闭驱动电机,当检测到电池电流小于继电器断开所需的最大允许电流的时候断开继电器,此时向整车控制器以及仪表盘发送充电准备完毕信号,整车控制器进行允许信号应答,当充电电流小于系统设定最小充电电流时,断开充电继电器,并向整车控制器以及仪表盘发送充电完成信号,整车控制器应答完成整个充电过程,在充电过程中,整车控制器和安全控制器对其进行监控。本发明利用整车控制器控制纯电动客车充电的流程,在充电过程中整车控制器和安全控制器对其充电进行监控,可防止充电意外事故发生。
Charging control method for pure electric bus vehicle control unit
一种纯电动客车整车控制器的控制充电方法
03.09.2021
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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