High tension switchgear's high temperature high pressure draught pressure relief device

The utility model relates to a high tension switchgear's high temperature high pressure draught pressure relief device belongs to high tension switchgear pressure release equipment technical field. Itcomprises switch gear room's backplate, the spacing deflector of triangle -shaped, plastics ligature area, spring hinge etc. Makes limiting blocking piece about switch gear room's backplate on the hypotenuse of the spacing deflectors of triangle -shaped of two limits symmetry systems, and the ligature area hitch clevis facial make -up of switch gear room backplate upper portion preparation has connect plastics ligature area, and switch gear room's backplate connects through the plastics ligature area horizontal support angle steel A dress with the high tension switchgear middle part, switch gear room's backplate connects through the spring hinge of its base symmetry installation and the horizontal support angle steel B dress of high tension switchgear lower part. Based on former switch gear room backplate, open w