Battery management system and electric automobile
A technology for battery management systems and battery cells, applied in electric vehicles, battery/fuel cell control devices, vehicle energy storage, etc., can solve problems such as difficulty in adapting to the needs of battery management systems, achieve reliability and safety, and improve Reliability and safety, the effect of perfect function
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[0036] The present invention will be described below in conjunction with the drawings.
[0037] Combine figure 1 with figure 2 Shown are the structural block diagrams and working principle diagrams of a battery management system for electric vehicles provided by the present invention. The battery management system includes several battery cells, a main board and several sub-boards, and each sub-board corresponds to multiple batteries. monomer. Such as figure 1 It can be understood that the several battery cells are divided into multiple battery cell groups, each sub-board corresponds to a battery cell group, and each battery cell group includes the multiple battery cells. Each daughter board communicates with the main board via CAN bus, figure 2 It can also be referred to as a communication flow chart between the main board and the sub-board. The main board obtains the number and retransmission rate of the corresponding messages sent by each sub-board in the same network within...
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