Mining flame-proof power supply direct current system

The utility model provides a mining flame-proof power supply direct current system, and belongs to the field of power supplies. A mining flame-proof type power supply direct current system comprises a fixing shell, a plurality of sealing assemblies are fixedly installed in the fixing shell, each sealing assembly comprises a fixing plate, a motor and a sealing shell are fixedly installed on the upper side of the fixing plate, an electromagnet and fan blades are fixedly installed at the output end of the motor, and the fan blades are fixedly installed on the fixing plate. The peripheral side of the electromagnet is sleeved with a first gear and a rotating strip, and the peripheral side of the first gear is engaged with two second gears. According to the utility model, the motor is arranged to drive the sealing plate to slide, so that the sliding sealing plate can seal the battery, the sealed battery is not easy to damage by ore, the system can seal and protect the battery, and the motor is arranged to drive the