Installation protection device for access controller

The utility model discloses an installation protection device for an access controller, which belongs to the field of machinery and structurally comprises a grating heat dissipation seat, an electric cabinet door plate, an access control mainboard, a PC (personal computer) integrated lining plate and a plug through hole, and the grating heat dissipation seat is nested below the bottom of the access control mainboard and the bottom of the PC integrated lining plate and is perpendicular to the bottom of the access control mainboard and the PC integrated lining plate. According to the utility model, the grid heat dissipation seat is matched with the access control mainboard, and the access control mainboard and the PC integrated lining plate are connected in series with the heat dissipation frame protection structure of the heat dissipation bottom groove seat, so that the fusing frequency of the protective tube is conveniently reduced; the heat dissipation net elbow and the grating flat notch form a low-position