The invention discloses a BMS control system and method for a battery, and particularly relates to the technical field of a lithium battery BMS system. The system comprises a current sensor and a voltage sensor which are positioned in a battery pack and are used for acquiring battery pack data, in-battery-cell ECUs (electronic control unit) connected with a battery cell in the battery pack, and an out-battery-cell ECU for summarizing data information of the in-battery-cell ECU, and the out-battery-cell ECU is connected with an external CAN communication bus to upload data; the number of the in-battery-cell ECUs is multiple, the multiple in-battery-cell ECUs and the out-battery-cell ECU form a CAN bus network, the network topology structure is in a bus shape, the transmission protocol is CAN2.0B, and the out-battery-cell ECU comprises a first CAN controller and a second CAN controller. The whole battery management system is strong in management function and very clear in structure, the reliability and maintainability of the system are remarkably improved, the battery pack can be effectively controlled and managed, each single battery works under proper conditions, and the safety, durability and dynamic property of the batteries are fully guaranteed.
本发明公开了一种用于电池的BMS控制系统及方法,具体涉及锂电池BMS系统技术领域,包括位于电池组内部用于获取电池组数据的电流传感器和电压传感器、连接电池组内电芯的电芯内ECU和将电芯内ECU数据信息汇总的电芯外ECU,电芯外ECU与外部CAN通信总线连接,进行数据上传;电芯内ECU的数量为多个,多个电芯内ECU与电芯外ECU组成一个CAN总线网络,网络拓扑结构为总线形,传输协议为CAN2.0B,电芯外ECU包含有第一CAN控制器和第二CAN控制器。本发明使整个电池管理系统管理功能强而结构又十分清晰,显著提高了系统的可靠性和可维修性,使电池组可以得到有效的控制和管理,每个单电池都在适当的条件下工作,充分保证电池的安全性、耐久性和动力性。
BMS control system and method for battery
一种用于电池的BMS控制系统及方法
2021-09-14
Patent
Elektronische Ressource
Chinesisch
IPC: | 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 |
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