The invention relates to the field of lithium batteries and particularly relates to an electric bicycle power lithium battery energy management system. The system comprises a lithium battery pack, a microcontroller, a thermoelectric power generation sheet, an energy storage module, an illumination module, a battery discharge state detection module, a fuse, an inferior single battery position display module, an automatic power-off module, a single battery internal resistance detection module, an SOC estimation module, a single battery health state judgment module, a redundant single battery selection module, a temperature acquisition module, a current acquisition module and a voltage acquisition module; wherein the lithium battery pack is connected with the lighting module, the SOC estimation module, the single battery internal resistance detection module and the battery discharge state detection module, and the microcontroller is connected with the single battery health state judgmentmodule and the fuse. The system can prompt a user to replace seriously consumed single batteries in time, effectively utilizes energy dissipated by battery heating, improves the inconsistency among the single batteries, improves the energy utilization rate, prolongs the service life of the batteries, and is safer to use.
本发明涉及锂电池领域,具体涉及一种电动自行车动力锂电池能量管理系统,包括锂电池组、微控制器、温差发电片、储能模块、照明模块、电池放电状态检测模块、保险丝、劣等单体电池位置显示模块、自断电模块、单体电池内阻检测模块、SOC估算模块、单体电池健康状态判断模块、冗余单体电池选择模块、温度采集模块、电流采集模块和电压采集模块;锂电池组与照明模块、SOC估算模块、单体电池内阻检测模块和电池放电状态检测模块连接,微控制器与单体电池健康状态判断模块和保险丝连接。该系统可提示使用者及时更换耗损严重的单体电池、有效利用电池发热所耗散的能量并改善单体电池间的不一致性,提高能量利用率,延长电池的寿命,使用更加安全。
Electric bicycle power lithium battery energy management system
一种电动自行车动力锂电池能量管理系统
2021-03-19
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 / H02N Elektrische Maschinen, soweit nicht anderweitig vorgesehen , ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR |
Electric bicycle double lithium battery management system and control method
European Patent Office | 2024
|European Patent Office | 2016
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