The battery pack heating system comprises a frame, a battery pack, a driving motor and a radiator, the driving motor comprises a first water outlet pipe and a first water inlet pipe, and the radiator is provided with a second water outlet pipe; the connecting assembly comprises a three-way reversing valve, a third water outlet pipe, a second water inlet pipe and a connecting pipeline, the three-way reversing valve communicates with the second water outlet pipe, the first end of the second water inlet pipe and the first end of the connecting pipeline, and the second end of the second water inlet pipe communicates with the inlet end of the heating cavity; the first end of the third water outlet pipe is communicated with the outlet end of the heating cavity, the second end of the third water outlet pipe is communicated with the connecting pipeline, and the second end of the connecting pipeline is communicated with the first water inlet pipe. Cooling of the driving motor and heating of the battery pack are achieved, heat generated when the driving motor works is effectively utilized, the problem of endurance attenuation caused by the fact that the battery pack needs to be independently heated in winter is solved, and the endurance capacity of the pure electric vehicle is improved.
本发明公开了一种纯电汽车电池组加热系统,包括:车架、电池组、驱动电机和散热器,驱动电机包括第一出水管和第一进水管,散热器具有第二出水管;连接组件,连接组件包括三通换向阀、第三出水管、第二进水管和连接管道,三通换向阀分别与第二出水管、第二进水管的第一端和连接管道的第一端导通,第二进水管的第二端与加热腔的进口端连通,第三出水管的第一端与加热腔的出口端连通,第三出水管的第二端与连接管道连通,所述连接管道的第二端与所述第一进水管连通。本发明实现对驱动电机的冷却和对电池包的加热,有效利用的驱动电机工作时产生的热量,避免了在冬季时需要对电池组单独加热而造成续航衰减的问题,提高了纯电汽车的续航能力。
Battery pack heating system of pure electric vehicle
一种纯电汽车电池组加热系统
2024-05-24
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
Electric vehicle battery pack heating system control method
European Patent Office | 2023
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