The invention relates to a charging and discharging protection method and device for a lithium battery circuit protection board and a storage medium. The method comprises the steps that the actual battery pack capacity value of a lithium battery pack is calculated; acquiring electric quantity change data of the lithium battery, and generating an electric quantity predicted value according to the electric quantity change data; acquiring a real-time electric quantity value of the lithium battery, and comparing the real-time electric quantity value with the electric quantity predicted value to calculate an actual electric quantity deviation value between the real-time electric quantity value and the electric quantity predicted value; acquiring historical vehicle speed data of the electric vehicle, associating the historical vehicle speed data with the actual electric quantity deviation value according to the timestamp, and calculating a vehicle speed factor; acquiring a real-time road condition of a road, generating predicted vehicle speed data according to the real-time road condition, and calculating a predicted electric quantity deviation value based on the predicted vehicle speed data and a vehicle speed factor; and performing deviation correction calculation on the electric quantity predicted value based on the predicted electric quantity deviation value to obtain a deviation-corrected electric quantity predicted value, and setting a charging and discharging protection strategy based on the deviation-corrected electric quantity predicted value. The lithium battery has the effect of prolonging the service life of the lithium battery.
本发明涉及一种锂电池电路保护板用充放电保护方法、装置和存储介质,该方法包括计算锂电池组的实际电池组容量值;获取锂电池的电量变化数据,并根据电量变化数据生成电量预测值;获取锂电池的实时电量值,并将实时电量值与电量预测值对比,以计算实时电量值与电量预测值的实际电量偏差值;获取电动车的历史车速数据,并根据时间戳将历史车速数据与实际电量偏差值关联,并计算车速因数;获取道路的实时路况,并根据实时路况生成预测车速数据,并基于预测车速数据和车速因数计算预测电量偏差值;基于预测电量偏差值对电量预测值纠偏计算以得到纠偏电量预测值,基于纠偏电量预测值设定充放电保护策略。本申请具有延长锂电池的使用寿命的效果。
Charging and discharging protection method and device for lithium battery circuit protection board and storage medium
锂电池电路保护板用充放电保护方法、装置和存储介质
2024-12-17
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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