Heat dissipation type cable branch case

The utility model discloses a heat dissipation type cable branch case, which comprises a box body and a box door, the full weld has the ground connection screw on the diapire of box, be equipped with the ground connection nut on the diapire of box, be equipped with two parallel upright roof beams in the box, be equipped with heat dissipating cavity in founding the roof beam, the thru hole that with heat dissipating cavity be linked together is equipped with at li liangshang, be equipped with the thermal -arrest piece in heat dissipating cavity, be equipped with endothermic membrane between thermal -arrest piece and thru hole, be equipped with the heat dissipation shutter on the lateral wall of box, be equipped with heat dissipation channel in the diapire of box and lateral wall, be equipped with the little fan of heat dissipation in heat dissipating cavity, be equipped with the type of falling V shield at the top of box, be equipped with the air inlet cavity between the roof of the type of falling V shield an