The invention discloses an electric vehicle lithium battery management system which comprises a BMS module, a signal acquisition module, an energy management module, a battery module, a cloud data platform and a safety module. The signal acquisition module is used for acquiring key data of the battery module and transmitting the key data to the BMS module; the BMS module comprises a processor, a data management module and a 5G communication module, and the signal acquisition module transmits data to the data management module. According to the invention, the BMS module controls the modeling calculation unit to select the model data corresponding to the data storage unit according to the last state data of the battery, more accurate calculation is carried out to obtain more accurate battery data, and along with the increase of the number of times of reciprocation, through repeated calculation and accumulation of different data models, the accuracy of the battery data is improved. The method has the advantages that the evaluation accuracy of the state of the battery module can be improved, and the accuracy of a calculation result can be stably improved by switching different model data in real time to perform switching operation under different states.
本发明公开了电动车锂电池管理系统,包括BMS模块、信号采集模块、能量管理模块、电池模块、云数据平台和安全模块;所述信号采集模块用于采集电池模块的关键数据,并传输至BMS模块中;所述BMS模块包括处理器、数据管理模块和5G通信模块,所述信号采集模块将数据传输至数据管理模块。该发明通过BMS模块则根据电池上一次的状态数据,控制建模计算单元选择数据存储单元对应的模型数据,进行更加精确的计算,以得出更加精确的电池数据,而随着往复次数增加,通过不同数据模型的反复计算积累,对于电池模块的状态的评估精度则会提高,通过不同的状态下,实时切换不同的模型数据进行切换运算,以稳定的提高计算结果的精度的优点。
Lithium battery management system of electric vehicle
电动车锂电池管理系统
2024-05-14
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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