The invention provides a vehicle thermal management system and method, a vehicle, a controller and a storage medium, when the system receives a battery preheating instruction, a first valve port and a second valve port are controlled to be communicated, a third valve port and a fourth valve port are controlled to be communicated, and a battery preheating cycle is formed; the controller is further used for controlling the power battery to supply power to the driving unit and controlling the output rotating speed of the driving unit to be 0. According to the invention, the corresponding valve ports of the first control valve and the second control valve are controlled to be opened or closed to form the battery preheating cycle, and the cooling liquid in the battery preheating cycle is heated through the heat generated by the driving unit, so that the power battery is rapidly heated when the cooling liquid in the battery preheating cycle flows into the power battery; therefore, additional heating devices are not needed, the installation space is effectively saved, and the cost is low.
本发明提出一种车辆热管理系统及方法、车辆、控制器和存储介质,该系统在接收到电池预加热指令时,控制第一阀口与第二阀口之间连通以及控制第三阀口与所述第四阀口之间连通,形成电池预加热循环;控制器还用于控制动力电池向驱动单元供电并控制驱动单元的输出转速为0。本发明通过控制第一及第二控制阀相应的阀口打开或者关闭,以形成电池预加热循环,并通过驱动单元产生的热量,对电池预加热循环中的冷却液进行加热,以在电池预加热循环中的冷却液流入动力电池时,实现对动力电池的快速加热,从而无需使用额外的加热器件,有效节省安装空间且成本较低。
Vehicle thermal management system and method, vehicle, controller and storage medium
车辆热管理系统及方法、车辆、控制器和存储介质
2023-02-03
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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