Quick automatic pressure relief device of direct current switch cabinet

The utility model discloses a quick automatic pressure relief device of direct current switch cabinet. It includes a plurality of pressure release hole of seting up at direct current cabinet hyperbaric chamber top, all be provided with the flexible lower epoxy glass cloth lamination board that has that covers completely on each pressure release hole on every pressure release hole, include still that the one deck covers the last epoxy glass cloth lamination board that has a flexibility on epoxy glass cloth lamination board down, the width of going up the epoxy glass cloth lamination board is half the for the width of epoxy glass cloth lamination board down, it settles in pressure release hole one side and through arc clamp plate fixed mounting to go up one of them side of epoxy glass cloth lamination board and lower epoxy glass cloth lamination board. After adopting foretell structure, improved protection level greatly, pressure release fast, and can recover by self after the pressure release, its simple structure, easy dismounting and manufacturability are high, and the structure of integration simultaneously makes its action safe and reliable high, has realized automatic pressure release demand fast in the direct current cabinet hyperbaric chamber.