Multi -functional intelligent big -arch shelter fresh air device

The utility model provides a multi -functional intelligent big -arch shelter fresh air device, including ventilation housing, the hoist and mount otic placode, the takeover of intaking, the check valve, atomizing nozzle, air treatment filtration shell structure, the control panel structure, the inside expelling parasite adding fragtant box structure of big -arch shelter, the air -supply line, thestainless steel filter screen, first stereotype plate, the second stereotype plate, the drain pipe, the mounting panel, driving motor and ventilation flabellum, the hoist and mount otic placode weld the upper surface four corners position at ventilation housing respectively, intake and connect the upper surface intermediate position of pipe thread connection at ventilation housing. The utility model discloses anion generator, the setting of active carbon filter screen and cold catalyst filter screen is favorable to playing multi -storied filter effects, provides the efficiency to big -arch shelter inside air purificat