The invention relates to the technical field of battery management, and discloses a battery charging and discharging control method and device, an electric vehicle and a readable storage medium. The method comprises the following steps: acquiring state parameters of each single battery in a battery pack; analyzing the state parameter of each single battery, and determining the temperature limit value of the single battery, the total voltage of the battery pack, the charge state of the battery pack and the fault state of the battery; and controlling the charging power and the discharging power of the battery based on the temperature limit value of the single battery, the total voltage of the battery pack, the charge state of the battery pack and the battery fault state. According to the invention, the overcharge or overdischarge of the battery can be effectively prevented, the utilization efficiency of the battery energy is improved, the power output capability of the battery is ensured, the operation stability of the battery system is improved, and the use safety of the battery system and the driving safety of the electric vehicle are ensured.
本发明涉及电池管理技术领域,公开了一种电池充放电的控制方法、装置、电动汽车及可读存储介质。其中,该方法包括:获取电池包中各个电池单体的状态参数;分析各个电池单体的状态参数,确定电池单体的温度极限值、电池包的总电压、电池包的荷电状态以及电池故障状态;基于电池单体的温度极限值、电池包的总电压、电池包的荷电状态以及电池故障状态,控制电池的充电功率和放电功率。通过实施本发明,能够有效防止出现电池过充电或过放电,提升了电池能量的利用效率,保证了电池的功率输出能力,提高了电池系统的运行稳定性,保证了电池系统的使用安全性以及电动汽车的驾驶安全性。
Battery charging and discharging control method and device, electric vehicle and readable storage medium
电池充放电的控制方法、装置、电动汽车及可读存储介质
2022-11-01
Patent
Electronic Resource
Chinese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
Battery charging and discharging control method and device, storage medium and electric vehicle
European Patent Office | 2020
|European Patent Office | 2021
|European Patent Office | 2023
|European Patent Office | 2015
|European Patent Office | 2024
|