The invention discloses a voltage prediction method and device, an electric vehicle and a storage medium, and belongs to the technical field of new energy. The method includes determining a capacity of a battery of the electric vehicle at a current temperature; determining the ratio of the current working current to the capacity of the battery as the discharge rate of the battery; and according to the temperature, the discharge rate, the residual capacity of the battery and the corresponding relationship, determining working parameters of the battery under the conditions of the temperature, the discharge rate and the residual capacity, and predicting the working voltage of the battery based on the working parameters to obtain the predicted working voltage of the battery under the conditions of the temperature and the discharge rate. The working voltage of the battery is predicted according to the working parameters, so that the battery is adjusted to work according to the determined working voltage, the battery is ensured to work at normal working voltage, and the service life of the battery is prolonged.
本申请公开了一种电压预测方法、装置、电动车辆及存储介质,属于新能源技术领域。方法包括:确定电动车辆在当前温度下电动车辆的电池的容量;将电池当前的工作电流与容量的比值确定为电池的放电倍率;根据温度、放电倍率、电池的剩余容量以及对应关系,确定电池在温度、放电倍率以及剩余容量的情况下的工作参数,基于工作参数对电池的工作电压进行预测,得到电池在温度、放电倍率的情况下的预测工作电压。本申请根据工作参数对电池的工作电压进行预测,以便于根据确定的工作电压调整电池进行工作,进而保证电池采用正常的工作电压进行工作,提高电池的使用寿命。
Voltage prediction method and device, electric vehicle and storage medium
电压预测方法、装置、电动车辆及存储介质
2023-05-09
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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