Heat dissipation mechanism based on LCD display module

The utility model discloses a heat dissipation mechanism based on an LCD display module, which is characterized in that an LCD display screen is embedded in one end of a box body, fixed mesh cages are symmetrically welded on the inner side of the box body, an insertion fixing hole is formed in the top end of the box body, a placement fixing box is embedded in the inner side of the insertion fixing hole, and a fixed supporting plate is welded on the top end of the box body; insertion fixing grooves are formed in one ends of the placement fixing boxes and the fixing supporting plates, air inlet holes are formed in the positions, corresponding to the fixing net cages, of the two ends of the box body, isolation net plates are embedded in the inner sides of the insertion protection grooves, dust impurities containing impurities in external inlet air are intercepted through the isolation net plates and the fixing net cages, and external impurities are prevented from entering the interior. And then moisture containi