The invention discloses a charging remaining time confirmation method and device and a vehicle, relates to the technical field of battery charging, and discloses a charging remaining time confirmation method which comprises the steps that current charging data of a battery pack are obtained, and the current charging data comprise the charging rate and the SOC value; based on the current charging data and a first charging model, acquiring heating charging time and a heating charging ending SOC value; acquiring constant-temperature charging time based on the temperature rise charging end SOC value and a second charging model; and on the basis of the heating charging time and the constant-temperature charging time, determining the remaining charging time. According to the basic characteristics of the temperature in the low-temperature fast charging process, the charging remaining time is calculated in a segmented mode, the fast charging remaining time is rapidly and accurately calculated in combination with a fitting method and given data, and excessive complex calculation and building and calculation of heat generation, heat conduction, heat dissipation and other models are avoided.
本申请公开了一种充电剩余时间的确认方法、装置和车辆,涉及电池充电技术领域,公开了一种充电剩余时间的确认方法,包括:获取电池包的当前充电数据,所述当前充电数据包括充电倍率和SOC值;基于所述当前充电数据和第一充电模型,获取升温充电时间和升温充电结束SOC值;基于所述升温充电结束SOC值和第二充电模型,获取恒温充电时间;基于所述升温充电时间和所述恒温充电时间,确认充电剩余时间。依据低温快充过程温度基本特征,进行分段计算充电剩余时间,结合拟合方法和给定数据快速准确地计算快充剩余时间,避免了过度复杂的计算及生热、导热、散热等模型搭建和计算。
Method and device for confirming remaining charging time and vehicle
充电剩余时间的确认方法、装置和车辆
2025-02-25
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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