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Device for detecting the occupied state and the free state of a track section as well as method for operating such a device

An idle state and track section technology, applied in transportation and packaging, vehicle route interaction equipment, railway car body parts, etc., can solve problems that cannot be eliminated or avoided, and achieve the effects of saving time, simplifying installation, and saving costs

Inactive Publication Date: 2012-02-01
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even in audio track circuits with transmission signals of different frequencies, the multiple use of transmission signals with both the same frequency and the same bit pattern within a project or within a device cannot generally be ruled out or avoided here, resulting in more interference burden

Method used

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  • Device for detecting the occupied state and the free state of a track section as well as method for operating such a device
  • Device for detecting the occupied state and the free state of a track section as well as method for operating such a device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] figure 1 A device V for detecting an occupied or free state of a track segment G is shown in . The means V has a function for sending the signal SIG in the form of an alternating voltage S Transmitter S feeding rail F of track segment G. In addition, the device V also includes a signal for receiving the signal SIG that will be sent by S Received signal SIG generated by transmission via rail F of track section G E The receiver E.

[0035] corresponds to figure 1 As shown, the track section G is fed with an alternating voltage of frequency f1. In order to be able to reliably distinguish the individual signals, adjacent track sections are operated with alternating voltages of different frequencies f5 or f3. The following assumptions, in figure 1 The device shown in is an audio rail circuit with multiple frequencies in which the transmission signal SIG in the audio range will be S The rails F of the track section G are fed with an alternating voltage in the form of ...

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PUM

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Abstract

The invention relates to a device (V) for detecting the occupied state or free state of a track section (G) which is particularly simple and at the same time particularly resistant to interference influences, said device (V) having a transmitter (S) for feeding a transmission signal (SIGS), encoded by means of modulation, into the running rails (F) of the track section (G) and at least one receiver (E) for receiving a reception signal (SIGE) which is brought about through transmission of the transmission signal (SIGS) via the running rails (F) of the track section (G), wherein the device (V) according to the invention is designed to compare the modulation of the reception signal (SIGE) with the modulation of the transmission signal (SIGS). The invention also relates to a method for operating a device (V) for detecting the occupied state and free state of a track section (G).

Description

technical field [0001] The invention relates to a device for detecting the occupancy or vacancy of a track section, having a transmitter for feeding a transmission signal encoded by means of modulation to the rails of the track section, and at least one device for receiving the transmitted signal via the Receiver of the reception signal generated by the transmission via the rails of the track section. Background technique [0002] Such a device is in the form of a track free reporting device constructed as a track circuit, for example from the company publication "FTG S-Gleisfreimeldung mit dem Tonfrequenz-Gleisstromkreis FTG S (track free report FTG S with audio track circuit)" of Siemens AG, order no. Known in A19199-V100-B607-V2. Here, the transmitter feeds an AC voltage into the rails of the track section to be monitored. The receiver receives the received signal in the form of an incoming voltage and analyzes the received signal. The transmission of the transmission ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61L1/18
CPCB61L1/188
Inventor P.伯尔曼G.卢德B.拉什克
Owner SIEMENS AG
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