Industrial air-cooling dust removal protection type thermal imaging camera

The invention discloses an industrial air-cooled dedusting protective thermal imaging camera which is characterized in that a cylinder is defined by an inner cylinder wall and an outer cylinder wall, an annular spiral air duct baffle is arranged on the inner cylinder wall between the inner cylinder wall and the outer cylinder wall, and the annular spiral air duct baffle enables an annular spiral air duct to be formed between the inner cylinder wall and the outer cylinder wall; an air inlet is formed in the outer layer cylinder wall at the rear end of the cylinder body, and a plurality of air outlets are formed in an annular spiral air duct opening at the front end of the cylinder body; a glass cover is arranged at the front end of the barrel, a rear cover is arranged at the rear end of the barrel, a camera is arranged in the barrel, a camera objective lens directly faces the glass cover, and a camera wire outlet device is arranged on the rear cover; and a dust blocking device is arranged at the outer end part