The invention discloses a battery heating system and a vehicle, and the system comprises a DC charging port which is used for connecting external power supply equipment; the first end of the one-way conduction element is connected with the first end of the direct current charging port, and the conduction direction of the one-way conduction element is consistent with the power supply direction of external power supply equipment; the power battery comprises a first battery pack and a second battery pack which are connected in series, the second end of the one-way conduction element is connected with the midpoint of the first battery pack and the midpoint of the second battery pack, and the negative electrode of the second battery pack is connected with the second end of the direct-current charging port; the first end of each booster circuit is connected with the midpoint, the second ends of the N booster circuits are connected together to form a first confluence end, the third ends of the N booster circuits are connected together to form a second confluence end, the first confluence end is connected with the positive electrode of the first battery pack, and the second confluence end is connected with the negative electrode of the second battery pack. Therefore, according to the system, the heating cost can be saved, and the utilization rate and the functional diversity of components in the booster circuit are improved.
本发明公开了一种电池加热系统及车辆,所述系统包括:直流充电端口,用于连接外部供电设备;单向导通元件,其第一端与直流充电端口的第一端连接,其导通方向与外部供电设备的供电方向一致;动力电池,包括串联连接的第一电池组和第二电池组,单向导通元件的第二端与第一电池组和第二电池组的中点连接,第二电池组的负极与直流充电端口的第二端连接;N个升压电路,每一个升压电路的第一端与中点连接,N个升压电路的第二端共接形成第一汇流端,N个升压电路的第三端共接形成第二汇流端,第一汇流端与第一电池组的正极连接,第二汇流端与第二电池组的负极连接。由此,该系统,能够节省加热成本,提升升压电路内元器件的利用率与功能多样性。
Battery heating system and vehicle
电池加热系统及车辆
2024-04-09
Patent
Electronic Resource
Chinese
IPC: | 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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
Multi-vehicle battery heating method and battery heating system
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