To provide a track circuit monitoring device which can suppress erroneous detection of abnormality of a traffic circuit due to fluctuation of a track voltage in change of an on-rail state while suppressing reduction in detection accuracy.SOLUTION: A track circuit monitoring device 1 includes a track voltage acquisition part 1A, a local voltage acquisition part 1B, a phase difference calculation part 1C, a state change detection part 1D for detecting a change of an on-rail state, a period setting part 1E for setting an unstable period on the basis of an occurrence time point of a state change, an identification processing part 1F identifying whether a track voltage V111, a local voltage V121 and a phase difference are during the unstable period, an information generation part 1G for generating state information indicating the state of the track circuit on the basis of the track voltage V111, the local voltage V121, the phase difference and an identification result by the identification processing part 1E, and an information output part 1H for outputting the state information.SELECTED DRAWING: Figure 3
【課題】検知精度の低下を抑えつつ、在線状態の変化時の軌道電圧の変動による軌道回路の異常の誤検知を抑制することができる軌道回路監視装置を提供する。【解決手段】軌道回路監視装置1が、軌道電圧取得部1Aと、局部電圧取得部1Bと、位相差算出部1Cと、在線状態の変化を検出する状態変化検出部1Dと、状態変化の発生時点に基づいて不安定期間を設定する期間設定部1Eと、軌道電圧V111、局部電圧V121、及び位相差について、不安定期間の期間中のものか否かを識別する識別処理部1Fと、軌道電圧V111、局部電圧V121、位相差、及び識別処理部1Eによる識別結果、に基づいて軌道回路の状態を表す状態情報を生成する情報生成部1Gと、状態情報を出力する情報出力部1Hと、を備えたことを特徴とする。【選択図】図3
TRACK CIRCUIT MONITORING DEVICE
軌道回路監視装置
2022-07-28
Patent
Elektronische Ressource
Japanisch
IPC: | B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC |
TRACK CIRCUIT MONITORING DEVICE AND TRACK CIRCUIT MONITORING METHOD
Europäisches Patentamt | 2021
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