The invention provides an electric vehicle battery management system and a current detection method, and the system comprises a load controller which is electrically connected with a loop of the battery management system, and is used for obtaining the load current data of the loop; the current sensor is electrically connected to the loop and is used for acquiring detection current data of the loop; the battery management controller is electrically connected to the loop and the charging pile, and is used for requesting charging, acquiring charging current data of the charging pile, acquiring an actual current value according to a difference value between the charging current data and the load current data, and acquiring a current difference value according to a difference value between the actual current value and the detection current data; wherein when the battery management controller determines that the current difference value meets the preset fault condition, the executed action is to determine that the current sensor has a fault, and the fault is reported. By means of the electric vehicle battery management system and the current detection method, the current sensor can be monitored in real time in the charging process.
本发明提供了一种电动汽车电池管理系统及电流检测方法,包括:负载控制器,电性连接于电池管理系统的回路,用以获取回路的负载电流数据;电流传感器,电性连接于回路,用以获取回路的检测电流数据;以及电池管理控制器,电性连接于回路、充电桩,用以请求充电,获取充电桩的充电电流数据,并根据充电电流数据与负载电流数据的差值,获取实际电流值,根据实际电流值与检测电流数据的差值,获取电流差异值;其中,电池管理控制器确定电流差异值满足预设故障条件时,执行的动作为确定电流传感器出现故障,并报故障。通过本发明提供的一种电动汽车电池管理系统及电流检测方法,能够在充电过程中实时对电流传感器进行监控。
Electric vehicle battery management system and current detection method
一种电动汽车电池管理系统及电流检测方法
2024-02-02
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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