Underground coal mine all-purpose card access control system

The utility model provides an underground coal mine all-purpose card access control system which comprises an intrinsic safety type access control device, underground looped network equipment, ground looped network equipment and an upper computer, and the access control device comprises a mining door, an electromagnetic lock, a card reader, an exit button, a door card, an access control substation and an encapsulation power supply, the electromagnetic lock, the card reader and the exit button are integrally arranged on the mining door, the electromagnetic lock, the card reader and the exit button are respectively in data communication with the access control substation, the encapsulation power supply is connected with the access control substation, and the access control substation is in data communication with the upper computer through the underground looped network equipment and the ground looped network equipment. According to the system provided by the utility model, the comprehensive automation level of