APPARATUS FOR EXPELLING BIRDS FOR SAFE RUNNING OF EXPRESS TRAIN

摘要

Purpose: for a device for bird being provided to the guarantee safe handling an of express, by preventing bird access from being discharged to the front of ranks. Construction: device includes the loudspeaker for that can expel the generation acoustical signal of bird for expelling bird, one controller, its operation for being used to control loudspeaker, one time setting unit, it is used to provide the operating time of loudspeaker for controller, and a unit left is used for the bird for proving to have saved, it expels sound to loudspeaker according to the control operation of controller and a power supply.