Indoor breather of indoor air filter chamber external admission dust haze discharges

The utility model relates to a discharge room air, the indoor breather of filter chamber external admission dust haze, characterized by: punch 2 wall openings on room wall body or window glass, regard as air vent hole and inlet port respectively, the indoor side -mounting of air vent hole exhaust electric fan wherein, air vent hole liam dress blast pipe, the trachea is put into to the inlet port liam, indoorly, outdoor constitutes the open air circulation system of one by intake pipe and air vent hole, through artifical and air quality sensing automatic control exhaust electric fan, by blast pipe discharge room air and dust haze, with displacing indoor original air by the intake pipe introduction is indoor after the filtration dust haze of outdoor nature. The haze filter screen is prevented to dustproof, the protection against insects filter screen of the outdoor mouth of pipe of intake pipe installation, the installation of indoor side pipe mouth, and during the operation of exhaust electric fan, the outdoor air filters through the intake pipe and introduces the indoor indoor original stale air of displacing after the dust haze.