Infrared light scanning omni-directional spherical pan head

The invention relates to an infrared light scanning omni-directional spherical pan head. A spherical cover comprises a left spherical cover and a right spherical cover of a transparent hemisphere, which are fixedly matched; a ventilating slot of a radiating fence window is arranged at the outer rim position connecting the left spherical cover and the right spherical cover and is internally and respectively provided with a clamping slot, wherein two axial flow fans are inserted in the clamping slot, the front part of the spherical cover is provided with a square hole; the opposite spherical cover is internally provided with a locating slot, and a lens holder is bonded on the square hole; an inner shell is fixed on the lens holder and the locating slot; an infrared light plate is fixed at the front end of the inner shell; a control circuit board is fixed at two sides of the inner shell, a main holder fixed with a synchronizing wheel holder and a stationary axle is fixed at riveted threaded sleeves at two sides