The invention provides a current detection system and method for a power battery of an electric vehicle and the electric vehicle, and the system comprises a main current sensor which is used for obtaining a main current measurement value of the power battery; the secondary current sensor is used for acquiring a secondary current measurement value of the power battery; the battery management controller is electrically connected to the main current sensor and the secondary current sensor; wherein the battery management controller is used for presetting a main judgment condition and a secondary judgment condition, and obtaining an optimal current value based on the main current measurement value and the effectiveness judgment result of the main judgment condition, and the secondary current measurement value and the effectiveness judgment result of the secondary judgment condition. According to the current detection system and method for the power battery of the electric vehicle and the electric vehicle, the measurement precision of the current value of the power battery can be improved.
本发明提供一种电动汽车动力电池的电流检测系统、方法及电动汽车,包括:主电流传感器,用以获取动力电池的主电流测量值;次电流传感器,用以获取所述动力电池的次电流测量值;以及电池管理控制器,电性连接于所述主电流传感器、所述次电流传感器;其中,所述电池管理控制器用以预设主判断条件与次判断条件,并基于所述主电流测量值与所述主判断条件的有效性判断结果,所述次电流测量值与所述次判断条件的有效性判断结果,获取电流最优值。通过本发明公开的一种电动汽车动力电池的电流检测系统、方法及电动汽车,能够提升动力电池电流值的测量精度。
Current detection system and method for power battery of electric vehicle and electric vehicle
一种电动汽车动力电池的电流检测系统、方法及电动汽车
2023-09-15
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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