Self-cleaning camera

The utility model discloses a self-cleaning type camera. The annular cavity is of an annular cavity structure; a compressed air pipe is fixed at the upper part of the annular cavity; an air curtain ring and a blowing ring are sequentially fixed at the lower part of the ring cavity from outside to inside; an air curtain channel is arranged in the air curtain ring; the air curtain channel is of a conical ring structure. The center line of the air curtain channel is arc-shaped; the center line of the air curtain channel is tangent to the lower end of the lens cover. The inlet end of the air curtain channel is communicated with an inner cavity of the annular cavity, a blowing channel of a conical annular structure is arranged in the blowing ring, the center line of the blowing channel is a straight line, the center line of the blowing channel is tangent to one fourth of the lens cover, the inlet end of the blowing channel is communicated with the inner cavity of the annular cavity, and anannular connecting flange