Wall-mounted gas alarm controller

The utility model relates to the technical field of gas alarm controllers, and provides a wall-mounted gas alarm controller, which comprises a box body, a slot is arranged in the box body, an insertion plate is inserted in the slot, fixed plates are welded on two sides of the outer wall of one end of the box body, and screws are connected on the fixed plates through threads. Screw holes are formed in the two sides of the outer wall of the inserting plate, and a magnet is arranged at the bottom of the inner wall of the inserting groove; according to the wall-mounted gas alarm controller, the sound box can be separated through the fixing groove and the connecting plate and is fixed outside the box body, so that the occupation of the internal space of the box body is reduced, gaps among elements in the box body can be enlarged, maintenance work is facilitated, meanwhile, the heat dissipation performance of equipment is improved, and the service life of the equipment is prolonged. The inserting plates are install