Railway wheel counter and block control systems

B - Operations – Transporting – 61 – L

Patent

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Details

B61L 1/16 (2006.01)

Patent

CA 2302760

Railway wheel detection and counter and block control systems are disclosed using magnetic coils to detect wheels via measuring eddy current losses induced by a railway wheel as it disturbs the coil's magnetic field. Information from the coils is measured and processed using combination of analog and digital signal processing which processing automatically tests and calibrates all components to provide fail-safe operation. Virtual blocks are used to establish train presence, speed, and direction which parameters are used to provide block control systems.

L'invention concerne un compteur de roues de chemin de fer et des systèmes de commande de blocs, faisant appel à des bobines magnétiques pour détecter les roues au moyen de mesures des pertes de courants de Foucault induites par une roue de chemin de fer lorsqu'elle perturbe le champ magnétique de la bobine. Les informations provenant des bobines sont mesurées et traitées au moyen d'un traitement combiné de signaux analogiques et numériques, ledit traitement effectuant automatiquement un test et un étalonnage de tous les composants afin d'assurer un fonctionnement à sécurité intégrée. Des blocs virtuels sont utilisés pour établir la présence d'un train, sa vitesse et sa direction. Ces paramètres servent à fournir des systèmes de commande de blocs.

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