Air door alarm device

The invention relates to the field of air doors, in particular to an air door alarm device. According to the air door alarm device, operators can be blocked in the air door starting process, the operators are prevented from being accidentally injured when the air door is opened, and the safety of the operators is guaranteed. An air door alarm device comprises a base, a door frame, air doors, induction mechanisms and blocking mechanisms, the door frame is connected to the upper side of the middle of the base, the air doors are rotationally connected to the left and right portions of the door frame, the induction mechanisms are arranged on the front and rear portions of the base, and the blocking mechanisms are arranged on the left and right portions of the base. Operating personnel are blocked through the blocking plate, after the air door is completely opened, the moving frame is extruded to slide and drive the groove column to rotate, the groove column rotates to drive the blocking plate to rotate, the opera