Power air supply type dustproof noise reduction helmet

The invention discloses a power air supply type dustproof noise reduction helmet. The helmet device comprises a helmet body, a mask mechanism and a power air supply mechanism, the helmet body comprises a semi-covering type helmet shell and a helmet body lining. The mask mechanism comprises a ventilation platform and a protective mask; air chamber air inlets are formed in the two ends of the ventilation platform; front side and lower side airflow dispersion holes are formed in the ventilation platform; the protective mask is rotatably connected to the semi-covering helmet shell; the power air supply mechanism comprises a fan, a power supply assembly and a transition communicating pipeline; the two fans are respectively mounted at two ends of the ventilation platform, and air outlets of the two fans are respectively communicated with air inlets of the two air chambers; the power supply assembly is installed on the rear side of the interior of the half-covering type helmet shell. Each earmuff filtering device co