PORTABLE TRAIN APPROACHING WARNING DEVICE USING RAILROAD TRACK, AND METHOD FOR TRAIN APPROACHING WARNING IN THE SAME

摘要

PURPOSE: A portable train approaching warning device and a method thereof are provided to be installed according to user needs and to recognize a wheel, which contacts the rail of a moving train, by using power line communication applied on the railroad track, thereby informing a worker about the contact state of a car to. CONSTITUTION: A portable train approaching warning device using railroad tracks connects two tracks of a train, sends a car recognizing signal to one track, and indicates the approach of the train to a worker by recognizing the replying time of the car recognizing signal, which is received by the other track. [Reference numerals] (AA) Impedance bond; (BB) Wheel and an axle of a train; (CC,DD) Bond; (EE) Track; (FF) Silence; (GG) Train approaching alarm unit