The invention discloses a battery management system which comprises a lithium battery pack, a sampling module, a control module and a power conversion module, the control module is in communication connection with an upper computer, vehicle-mounted equipment is connected with the control module through a CAN bus, and the voltage, current and surface temperature of the lithium battery pack are directly measured and collected by the sampling module; data collected by the sampling module are sent to the control module, the control module is connected with the power conversion module, the control module sends a control signal to the power conversion module, the internal state of a battery pack is estimated through a battery model, and then control over the battery pack is completed. The battery management system BMS detects each single battery through the control module to obtain battery state parameters, and the control module communicates the state parameters to the control module for state analysis, control and protection.
本发明公开了电池管理系统,包括锂电池组、采样模块、控制模块、动力转换模块,控制模块与上位机连接通信,车载设备通过CAN总线与控制模块连接,锂电池组的电压、电流及表面温度被直接测量,被采样模块采集,采样模块采集的数据送入控制模块,控制模块与动力转换模块连接,控制模块将控制信号送入动力转换模块,电池组内部状态通过电池模型对电池内部状态进行估计,进而完成对电池组的控制。电池管理系统BMS通过控制模块对各单体电池进行检测来获得电池状态参数,控制模块将状态参数通讯到控制模块来进行状态分析和控制、保护。
Battery management system
电池管理系统
2023-03-28
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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