The invention is suitable for the technical field of power battery control systems, and provides a multi-parallel output loop power battery system architecture, which comprises a power supply distribution unit and a plurality of power battery units, the power battery unit comprises a plurality of single batteries which are connected in series; the power battery units are connected in series to form a series group; a plurality of series groups are arranged; the series groups are electrically connected with the power distribution unit after being connected in parallel; therefore, the hidden danger of failure of the single cells caused by parallel connection of the single cells in the power battery system can be effectively reduced; the fault probability of the high-capacity power battery module is reduced by the serial-parallel topological structure; each single power battery of the system can be monitored and managed, so that the probability of failure of the single battery cell is effectively reduced; according to the battery management system with the equalization function, the short-plate effect of the performance of the single batteries can be well solved, and the problem of capacity utilization rate is effectively solved.
本发明适用于动力电池控制系统技术领域,提供了一种多并联输出回路动力电池系统架构,包括:电源分配单元和若干个动力电池单元;动力电池单元包括若干个电池单体,若干电池单体相互串联;若干动力电池单元串联组成串联组;串联组设有若干个;若干个串联组并联后电连接电源分配单元;借此,本发明能够有效降低动力电池系统内部单体电芯并联带来的单体电芯失效隐患;先串后并的拓扑结构降低了大容量动力电池模组的故障概率;能够对系统各个动力电池单体进行监控和管理,有效降低单体电芯失效的概率;通过本方案带均衡功能的电池管理系统,可以很好解决电池单体性能的短板效应,有效解决容量利用率的问题。
Power battery system architecture with multiple parallel output loops
一种多并联输出回路动力电池系统架构
2023-09-08
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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