The invention relates to a method for matching different batteries, which is implemented by using a first type of battery during low-rate charging and discharging. During high-rate charging, a secondtype of battery is used for charging, and the second type of battery is used for charging the first type of battery at a low rate; and during high-rate discharge, the first type of battery performs low-rate discharge, and the second type of battery performs high-rate discharge. The control method comprises the steps of: S1, starting the first type of battery and the second type of battery at the same time for power supply; S2, judging whether the running speed is greater than a speed threshold or not, if so, entering the step S3, and if not, continuing the current state; S3, independently supplying power to the first type of battery, and charging the first type of battery by the second type of battery; S4, charging the second type of battery; S5, judging whether the running speed is greater than a speed threshold, if so, supplying power by the first type of battery, and if not, simultaneously supplying power; and S6, stopping the vehicle and stopping power supply. The service life of the battery is prolonged, the cost is reduced, and the safety performance is improved.
本发明涉及一种不同电池配合的方法,低倍率充放电时,使用第一类型电池实现;高倍率充电时,使用第二类型电池进行充电,第二类型电池向第一类型电池进行低倍率充电;高倍率放电时,第一类型电池进行低倍率放电,第二类型电池进行高倍率放电。控制方法,S1、第一类型电池与第二类型电池同时启动进行供电;S2、判断运行速度是否大于速度阈值,若是则进入步骤S3,若否则继续当前状态;S3、第一类型电池单独供电,第二类型电池给第一类型电池充电;S4、第二类型电池充电;S5、判断运行速度是否大于速度阈值,若是第一类型电池供电,若否同时供电;S6、车辆熄火不再供电。通过两者配合使用提高电池的使用寿命,降低成本,提高安全性能。
Method for matching different batteries, control method applied to vehicle and battery pack
不同电池配合的方法、应用于车辆的控制方法及电池组
2020-04-14
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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