The invention discloses a power supply method, a power supply system and an automobile, and the power supply method comprises the steps that when the automobile runs, a battery pack is adopted to supply power to a plurality of power utilization devices; when the automobile is parked and charged, the charging gun is used for supplying power to the plurality of electric devices and the battery pack at the same time; the power supply system comprises a battery pack, a charging socket, a first power supply positive wire, a first power supply negative wire, a second power supply positive wire, a second power supply negative wire, a first relay and a second relay, and the first power supply positive wire and the first power supply negative wire are connected between the power utilization device and the battery pack; the second power supply positive wire and the second power supply negative wire are connected between the power utilization device and the battery pack; the first relay is connected in series with the first power supply positive wire, the second relay is connected in series with the second power supply positive wire, and the first relay and the second relay are electrically connected with the management system of the battery pack, so that the safety of the battery pack is improved, the charging and discharging times of the battery pack are reduced, and the service life of the battery pack is prolonged.
本发明公开一种供电方法、供电系统和汽车,供电方法包括当汽车行驶时,采用电池包为若干用电装置供电;当汽车驻车且充电时,采用充电枪同时为若干用电装置和电池包供电;供电系统包括电池包、充电插座、第一供电正极线、第一供电负极线、第二供电正极线、第二供电负极线、第一继电器和第二继电器,第一供电正极线和第一供电负极线连接在用电装置与电池包之间,第二供电正极线和第二供电负极线连接在用电装置和电池包之间;第一继电器串联在第一供电正极线上,第二继电器串联在第二供电正极线上,且均与电池包的管理系统电连接,有助于提高电池包的安全性和减少电池包的充放次数,从而延长电池包的使用寿命。
Power supply method, power supply system and automobile
一种供电方法、供电系统和汽车
2025-02-07
Patent
Electronic Resource
Chinese
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