The invention discloses a vehicle-mounted battery charging and discharging system, a charging and discharging control method and a vehicle, and the system comprises a voltage conversion unit which is connected with a high-voltage battery and a low-voltage battery, and is used for carrying out the voltage reduction output of a high-voltage direct current provided by the high-voltage battery, and charging the low-voltage battery; the battery management system is used for acquiring current battery state parameters of the low-voltage battery; the left front area controller is used for acquiring the current power supply state of the vehicle; a rear zone controller for determining a target voltage based on the current battery state information and a power supply state of the vehicle; and the whole vehicle calculation unit is used for controlling the voltage conversion unit based on the target voltage so as to charge and discharge the low-voltage battery. The system performs charging and discharging control on the low-voltage battery according to the current battery state information and the power supply state of the vehicle, so that the control precision of charging and discharging voltage and the charging and discharging efficiency are improved, and the charging and discharging safety is improved.
本发明公开了一种车载电池的充放电系统、充放电控制方法及车辆,其中,所述系统包括:电压转换单元,电压转换单元分别与高压电池、低压电池相连,用于对高压电池提供的高压直流电进行降压输出,给低压电池充电;电池管理系统,用于获取低压电池的当前电池状态参数;左前区控制器,用于获取车辆的当前电源状态;后区控制器,用于基于当前电池状态信息以及车辆的电源状态确定目标电压;整车计算单元,用于基于目标电压对电压转换单元进行控制,以对低压电池进行充放电。该系统根据当前电池状态信息以及车辆的电源状态对低压电池进行充放电控制,提高了充放电电压的控制精度和充放电效率,提升了充放电安全。
Charging and discharging system of vehicle-mounted battery, charging and discharging control method and vehicle
车载电池的充放电系统、充放电控制方法及车辆
2024-11-22
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
European Patent Office | 2023
|European Patent Office | 2022
|European Patent Office | 2022
|European Patent Office | 2023
|VEHICLE-MOUNTED CHARGING/DISCHARGING APPARATUS AND SYSTEM
European Patent Office | 2020
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