The invention relates to a battery self-heating system and a vehicle. According to the main technical scheme, the system comprises an electronic controller, a battery pack and a booster circuit, the booster circuit comprises an inductor set, an inverter set, a first capacitor and a second capacitor, the electronic controller is in communication connection with the battery pack and the booster circuit, the battery pack, the inductor set and the inverter set are sequentially connected, and the two ends of the inverter set are connected with a positive bus and a negative bus. A second capacitor is connected between the positive bus and the negative bus, the electronic controller is used for controlling the booster circuit to adjust the bus voltage between the positive bus and the negative bus and generating a control signal according to a battery voltage value, a bus voltage value, a resistance value and an inductance current value in response to a starting battery self-heating mode, and the inverter group is used for controlling the booster circuit to start the battery self-heating mode. And the controller is used for controlling the battery pack, the inductor group and the second capacitor to charge and discharge according to the control signal, so that the battery internal resistor of the battery pack is continuously heated, the battery can be automatically heated during parking and driving, and the driving starting speed is increased.
本申请涉及一种电池自加热系统及车辆。主要技术方案包括:该系统包括:电子控制器、电池组、升压电路,其中,升压电路包括电感组、逆变器组、第一电容和第二电容,电子控制器与电池组和升压电路通信连接,电池组、电感组和逆变器组依次连接,逆变器组的两端连接正母线和负母线,正母线和负母线之间连接有第二电容,电子控制器,用于控制升压电路调节正母线与负母线之间的母线电压,并响应于启动电池自加热模式,根据电池电压值、母线电压值、电阻值和电感电流值,生成控制信号,逆变器组,用于根据控制信号控制电池组、电感组和第二电容充放电,以使得电池组的电池内阻不断被加热,实现在停车与行车时都可以对电池自加热,并提高行车的启动速度。
Battery self-heating system and vehicle
一种电池自加热系统及车辆
2024-11-15
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |