Safe wireless communication PLC control box

The utility model belongs to the technical field of PLC control box equipment, and particularly relates to a safe wireless communication PLC control box. A through groove is formed in the top of the containing box, the fan is fixed in the through groove, the air bag is fixed to the left side in the containing box, the second supporting base is fixed to the right side in the containing box, the sliding block is connected into the second supporting base in a matched mode, a baffle is fixed to the top of the sliding block, and the top of the baffle makes contact with a top plate of the containing box. The two ends of the pull rope are hung on the left hook and the right hook correspondingly, and a spring is arranged between the right side of the sliding block below the second supporting base and the right side wall of the containing box. According to the utility model, air in the accommodating box can be cooled in a normal state, parts in the accommodating box are prevented from being damaged, inert gas can be r