Air door electric locking device

The utility model discloses an air door electric locking device. The air door electric locking device is used for mine downhole. The air door electric locking device comprises a fixing support, a fixing bolt, an induced magnet, a touch rod, a vibration damping buffer rod, a signal sensor and a fixing rod. The fixing rod is fixedly connected at the lower left end of the fixing support. The signal sensor is fixedly arranged on the fixing rod. The lower right end of the fixing support is connected with the touch rod through the fixing bolt. The induced magnet is fixedly arranged at a position, corresponding to the signal sensor, on the touch rod. The lower end of the touch rod is connected with the vibration damping buffer rod. By means of the air door electric locking device, the situation that air doors are cracked up can be effectively prevented, and the accident that the air doors are simultaneously opened is prevented from occurring. The air door electric locking device has the advantages of being simple in