The embodiment of the invention discloses a vehicle composite battery system and an energy control method thereof, relates to the technical field of energy storage, and is used for solving the problems that a composite battery in a hybrid electric vehicle is high in cost and high in control precision requirement. The system comprises an energy battery pack, a power type battery pack, a one-way switch, a two-way switch and a switch control module, an external input port of the switch control module is respectively connected with battery charge state output ports of the energy type battery pack and the power type battery pack, and an output port of the switch control module is respectively connected with the one-way switch and the two-way switch and is used for controlling the closing state of the one-way switch and the two-way switch; the one-way switch is connected with a branch where the energy-type battery pack is located and a branch where the power-type battery pack is located to construct a parallel loop of the energy-type battery pack and the power-type battery pack; one contact of the two-way switch is connected with the positive electrode of the energy type battery pack, and the other contact is connected with the positive electrode of the power type battery pack, so that a charging loop of the composite battery system is arranged in the parallel loop.
本说明书实施例公开了一种车用复合电池系统及其能量控制方法,涉及能量存储技术领域,用于解决混合动力汽车中复合电池成本高且控制精度要求高的问题。系统包括:能量电池组、功率型电池组、单向开关、双向开关、开关控制模块;开关控制模块的外部输入端口分别连接能量型电池组与功率型电池组的电池荷电状态输出端口,开关控制模块的输出端口分别连接单向开关与双向开关,用于控制单向开关与双向开关的闭合状态;单向开关连接能量型电池组所在支路与功率型电池组所在支路,构建能量型电池组与功率型电池组的并联回路;双向开关的一个触点连接能量型电池组的正极,另一个触点连接功率型电池组的正极,用于在并联回路中设置复合电池系统的充电回路。
Vehicle composite battery system and energy control method thereof
一种车用复合电池系统及其能量控制方法
2024-04-05
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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