ATS SIGNAL RECEIVING DEVICE

PROBLEM TO BE SOLVED: To develop an open circuit type ATS signal receiving device capable of detecting the disconnection even if no unit other than a single non-resonance receiving coil 10 is installed . SOLUTION: In a receiving transformer 40, a primary winding is connected to a receiving cable 21 extending from the receiving coil 10 to the outside of a track to be made a closed loop, and a secondary winding 41 is connected to an input side of receiving circuits 11-16 to transmit the signal. The primary winding is divided into a primary winding half 41 and a primary winding half 42, and a capacitor 43 is added to them to connect the primary winding half 41, the capacitor 43 and the primary winding 42 in series. A direct current voltage DC 24V is applied to the two ends of the capacitor 43, and it is provided with a disconnection detection circuit for generating a disconnection detection signal G2 for indicating the existence of the disconnection according to the existence of the direct current with a disconnection detection relay 44. COPYRIGHT: (C)2009,JPO&INPIT