Special 48V LED (Light Emitting Diode) direct current lamp tube for communication cabinet

The utility model discloses a communication cabinet 48V special LED direct current lamp tube, which comprises a lamp tube body, a heat dissipation mechanism arranged in the lamp tube body, a direct current power supply fixedly embedded in the lamp tube body, and a plurality of lamp beads fixedly embedded in the lamp tube body and respectively arranged at the output end and the input end of the direct current power supply. The heat dissipation mechanism comprises a motor, the output end of the motor is fixedly connected with a first rotating shaft, a gas collection box is fixedly embedded in the top of the inner side of the lamp tube body, and the front side and the rear side of the gas collection box are fixedly connected with air inlet pipes; the outer ends of the multiple air inlet pipes extend to the exteriors of the front side and the rear side of the air collecting box respectively, the bottom of the air collecting box is fixedly connected with an exhaust pipe, and the bottom end of the first rotating sh