Frame distribution case for communication

Frame distribution case for communication, including the box, box front end opening, the opening part cooperation installation door of box, the horizontal board of top surface fixed mounting in the box, the intralamellar part is cavity, a side -mounting valve of board bottom surface, the power distribution box comprises a box body, the last fan of installing of medial wall of the box, be connected through the tuber pipe between the air outlet of fan and the valve, first through -hole is seted up to the lateral wall of box, first through -hole communicates with each other with the air intake of fan, multiunit second through -hole is seted up to the board bottom surface, every group second through -hole includes a wind hole and two pinholes, two pinholes are located the both sides in wind hole, the inner upper portion of every group second through -hole all is equipped with the diaphragm, diaphragm bottom surface both sides are equipped with the inserted bar respectively, the inserted bar is perpendicular with