Arrangement for monitoring a track section

Details Arrangement for monitoring a track section Arrangement for monitoring a track section

B - Operations, Transporting

61

L

346/52

B61L 1/18 (2006.01) B61L 25/02 (2006.01)

Patent

CA 1288853

Abstract Arrangement for Monitoring a Track Section An arrangement is disclosed for monitoring an at least single-rail insulated track section for its unoccupied/ occupied condition and for any rail breakage. The track section (GA) is designed as a DC track circuit. At one end of the track circuit, a switching device (SCH) periodically interconnects the two rails (S1, S2), thus modulating the track current, At the other end, a DC voltage source (SP) and an evaluation circuit (RM, MV, C, R, SW, MK) are connected to the rails (S1, S2). The evaluation circuit evaluates the current supplied by the DC voltage source (SP) with respect to the magnitude of its changes and derives therefrom a criterion for the condition of the track section (GA). (Figure)

547559

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