Multi -functional miner's safety helmet

The utility model discloses a multi -functional miner's safety helmet, include the cap shell, lay electronic circuit board in the cap shell, lay at the brim of a hat of cap shell front end and lay the top muscle at cap shell roof end, the front side of top muscle is from last to setting gradually down charge joints, the speaker that is used for voice broadcast hazardous gas and switch, and the rear side of top muscle is provided with the GPS antenna, and the side of top muscle is provided with gaseous detection sensor and signal indication lamp, the both sides of cap shell are provided with the fixed rotating shaft, it revolves pivoted lens frame to hinge on the fixed rotating shaft to have to wind, lens mounts has the protection lens, the bottom bilateral symmetry of cap shell is equipped with Y type hatband, be provided with the setting fastening on the hatband. The utility model relates to a circuit is simple, reasonable in design, and easy operation, collection gas concentration detection function, eye pr