The invention belongs to the technical field of battery management, and particularly relates to a master-slave role switching control strategy for a battery management system, which comprises the following steps of: 1, connecting two groups of battery packs in parallel, switching to a CAN communication network, and setting master-slave identity selection switches of the two groups of battery packs, 2, performing power-on self-test after the battery management system is started, and firstly detecting a master-slave identity selection switch of the battery management system, 3, enabling each lithium battery pack to analyze a master-slave identity selection switch of the other lithium battery pack on the CAN communication network according to the received special message and the mark of whether self-test ends, and 4, enabling each lithium battery pack to analyze a master-slave identity selection switch of the other lithium battery pack on the CAN communication network according to the received special message and the mark of whether self-test ends. Through the battery management strategy, the safety of battery management can be improved, and battery management control self-test is facilitated.
本发明公开的属于电池管理技术领域,具体为一种电池管理系统用主从角色切换控制策略,该步骤如下:步骤一:将两组电池包通过并联的方式连接,切入到CAN通讯网络上,并设置两组电池包的主从身份选择开关;步骤二:电池管理系统开机后进行上电自检,首先检测自身主从身份选择开关;步骤三:各锂电池组根据收到的特殊报文解析出CAN通讯网络上另一个锂电池组的主从身份选择开关以及自身自检是否结束标志;步骤四:各锂电池组根据收到的特殊报文解析出CAN通讯网络上另一个锂电池组的主从身份选择开关以及自身自检是否结束标志,通过该种电池管理策略,能够提高电池管理的安全性,方便进行电池管理控制自检。
Master-slave role switching control strategy for battery management system
一种电池管理系统用主从角色切换控制策略
2020-05-08
Patent
Electronic Resource
Chinese
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 |
Design of master and slave modules on battery management system for electric vehicles
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