The invention provides an electric vehicle charging current determination method and device, a storage medium and a vehicle, and belongs to the technical field of vehicles. According to the embodiment of the invention, the charging current upper limit threshold value and the charging current lower limit threshold value of the battery are determined based on the charging side performance parameter of the charging equipment, the battery side performance parameter of the battery and the high-voltage accessory consumption current of the vehicle; and adjusting the initial request charging current of the battery to obtain a battery charging current, and finally determining a target request charging current requested from the charging device based on the battery charging current and the high-voltage accessory consumption current. According to the embodiment of the invention, the influence of the current consumed by the high-voltage accessory on the charging of the battery can be eliminated, the charging requirement of the battery is fully met, the charging rate is improved, the battery charging current finally reaching the battery can be limited in a safe and reasonable current threshold range, and the charging safety of the battery is effectively ensured.
本申请提供了一种电动汽车充电电流确定方法、装置、存储介质和车辆,属于车辆技术领域。本申请实施例基于充电设备的充电侧性能参数、电池的电池侧性能参数和车辆的高压附件消耗电流,确定电池的充电电流上限阈值和充电电流下限阈值,并基于充电电流上限阈值和充电电流下限阈值,对电池的初始请求充电电流进行调整,得到电池充电电流,最后基于电池充电电流和高压附件消耗电流,确定向充电设备请求的目标请求充电电流。本申请实施例不仅能消除高压附件消耗电流对电池充电的影响,充分满足电池的充电需求,提高充电速率,还能将最终到达电池的电池充电电流限制在安全合理的电流阈值范围内,有效保证电池的充电安全。
Electric vehicle charging current determination method and device, storage medium and vehicle
一种电动汽车充电电流确定方法、装置、存储介质和车辆
2024-03-08
Patent
Elektronische Ressource
Chinesisch
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