The invention discloses a multi-branch parallel battery system and a vehicle, and relates to the technical field of new energy vehicles, the multi-branch parallel battery system comprises a power distribution unit PDU, a second BMS arranged in the power distribution unit PDU and N battery branches arranged in parallel; n + 1 communication interfaces are arranged on the power distribution unit PDU, all the communication interfaces are electrically connected with the second BMS, one communication interface is connected to the whole vehicle VCU, and the remaining N communication interfaces are connected to the N battery branches respectively; the power distribution unit PDU is provided with 2N polarity interfaces which are respectively connected to the positive/negative electrodes of the N battery branches; the power distribution unit PDU is provided with an output interface so as to output state information of the N battery branches. According to the multi-branch parallel battery system and the vehicle, the consistency, the charging and discharging energy and the operation efficiency of the battery cells are improved.
本发明公开了一种多支路并联电池系统以及车辆,涉及新能源汽车技术领域,包括电源分配单元PDU、设置于电源分配单元PDU中的第二BMS以及N路并联设置的电池支路;电源分配单元PDU上设置有N+1个通讯接口,所有通讯接口均与第二BMS电连接,其中一个通讯接口连接到整车VCU,剩下的N个通讯接口分别连接到N路电池支路上;电源分配单元PDU上设置有2N个极性接口,分别连接到N路电池支路的正/负极上;电源分配单元PDU上设置有输出接口,以输出N路电池支路的状态信息;该多支路并联电池系统以及车辆,提高了电芯的一致性、充放电能量以及运行效率。
Multi-branch parallel battery system and vehicle
一种多支路并联电池系统以及车辆
2025-03-28
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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