The invention discloses an automobile lithium battery charging and discharging control method and system, and the method comprises the following steps: S1, equipment self-inspection, completing the proofreading preparation of a charging protocol, S2, system initialization, S3, data collection and judgment, S4, optimizing a charging and discharging strategy, S5, locking equipment, and starting charging and discharging, S6, circulating temperature control detection, charging and discharging parameter detection and battery cell detection, and S7, if the detection is qualified in the previous step, performing charging and discharging control. If not, charging and discharging are continuously completed, and if not, charging and discharging protection is carried out. The charging strategy is adjusted according to the cells with different aging degrees, for example, the charging current is reduced or the charging voltage is adjusted, so that the internal pressure increase and temperature rise of the battery caused by overcharging can be avoided, the safety of the battery is further improved, the battery can be prevented from working at an over-high or over-low temperature through accurate temperature control, and the service life of the battery is prolonged. Therefore, negative influence of temperature on battery performance and service life is reduced, accurate temperature control can ensure that the battery is charged in an optimal temperature range, and charging efficiency is improved.
本发明公开了一种汽车用锂电池充放电控制方法及系统,包括以下步骤:S1、设备自检,完成充电协议的校对准备,S2、系统初始化,S3、数据采集判定,S4、优化充放电策略,S5、锁止设备,开始充放电,S6、循环温控检测、充放电参数检测与电芯检测,S7、上一步骤检测合格,则持续完成至完成充放电,不合格则进行充放电保护。针对不同老化程度的电芯,调整充电策略,如降低充电电流或调整充电电压,可以避免过充导致的电池内部压力增大和温度升高,进一步提高电池的安全性,精确的温度控制可以防止电池在过高或过低的温度下工作,从而减少温度对电池性能和寿命的负面影响精确的温控可以确保电池在最佳温度范围内充电,提高充电效率。
Charging and discharging control method and system for lithium battery for automobile
一种汽车用锂电池充放电控制方法及系统
2024-10-11
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
New energy automobile lithium battery charging and discharging management system and method
European Patent Office | 2023
|BATTERY CHARGING/DISCHARGING CONTROL SYSTEM AND BATTERY CHARGING/DISCHARGING CONTROL METHOD
European Patent Office | 2022
|Lithium battery safe charging and discharging control method and system
European Patent Office | 2024
|Vehicle lithium battery charging and discharging control method and system
European Patent Office | 2024
|European Patent Office | 2024
|