Railway dark territory switch automation
First Claim
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1. In a vital railroad switching system for a dark territory, a system for wirelessly controlling a railroad switch in a track system that includes tracks in a dark territory, comprising:
- a device located concurrent with a section of one of said tracks located in the dark territory, wherein the device is configured with following functions;
receiving a wireless dual tone multiple frequency (DTMF) signal sent from a first communications device, and wherein the wireless DTMF signal is generated from a railway vehicle and indicates a desired railroad switch position for a railroad switch,validating the wireless DTMF signal,initiating a control of the railroad switch,checking a relay to determine a relay status, wherein the relay is coupled to the railroad switch, and wherein the railroad switch does not have a switch signal system that in associated with a central dispatch system,determining in a correspondence condition,triggering an audio board to report the correspondence condition via an audio message, which is maintained on a discrete audio board, and an output of the audio board is checked by a relay,reporting the correspondence condition, andreporting, from a wirelessly controlled switch, a status of the railroad switch in a dark territory.
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Abstract
The system provides a railroad switch for use in un-signaled (dark) territory. In particular, the system includes a plurality of audio messages maintained on a discrete audio board, where a DTMF signal is validated, initializes the control of a switch, and triggers an audio board to report a correspondence condition, where the output of the audio board is checked by a relay status.
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2 Claims
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1. In a vital railroad switching system for a dark territory, a system for wirelessly controlling a railroad switch in a track system that includes tracks in a dark territory, comprising:
a device located concurrent with a section of one of said tracks located in the dark territory, wherein the device is configured with following functions; receiving a wireless dual tone multiple frequency (DTMF) signal sent from a first communications device, and wherein the wireless DTMF signal is generated from a railway vehicle and indicates a desired railroad switch position for a railroad switch, validating the wireless DTMF signal, initiating a control of the railroad switch, checking a relay to determine a relay status, wherein the relay is coupled to the railroad switch, and wherein the railroad switch does not have a switch signal system that in associated with a central dispatch system, determining in a correspondence condition, triggering an audio board to report the correspondence condition via an audio message, which is maintained on a discrete audio board, and an output of the audio board is checked by a relay, reporting the correspondence condition, and reporting, from a wirelessly controlled switch, a status of the railroad switch in a dark territory. - View Dependent Claims (2)
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