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EP1746008A3 - Circuit for monitoring the occupancy of points or of a track section - Google Patents

Circuit for monitoring the occupancy of points or of a track section Download PDF

Info

Publication number
EP1746008A3
EP1746008A3 EP06117115A EP06117115A EP1746008A3 EP 1746008 A3 EP1746008 A3 EP 1746008A3 EP 06117115 A EP06117115 A EP 06117115A EP 06117115 A EP06117115 A EP 06117115A EP 1746008 A3 EP1746008 A3 EP 1746008A3
Authority
EP
European Patent Office
Prior art keywords
track circuit
signal
osz
synchronous rectifier
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06117115A
Other languages
German (de)
French (fr)
Other versions
EP1746008B1 (en
EP1746008A2 (en
Inventor
Marcus Else
Wolfgang Eue
Frank Gertler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP1746008A2 publication Critical patent/EP1746008A2/en
Publication of EP1746008A3 publication Critical patent/EP1746008A3/en
Application granted granted Critical
Publication of EP1746008B1 publication Critical patent/EP1746008B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/187—Use of alternating current

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Near-Field Transmission Systems (AREA)
  • Alarm Systems (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Tests Of Electric Status Of Batteries (AREA)

Abstract

Die Erfindung betrifft eine Schaltungsanordnung zur Überwachung des Belegungszustandes einer Weiche oder eines Gleisbereiches, mittels eines Gleiskreises (1), wobei während der Befahrung des Gleiskreises (1) durch ein Schienenfahrzeug eine resultierende Dämpfungs- und Resonanzfrequenzänderung detektierbar ist, mit einem Synchrongleichrichter zur Korrelation in den Gleiskreis (1) eingekoppelter mit aus dem Gleiskreis (1) ausgekoppelten Signalen, der über einen Tiefpassfilter (9) mit einem Controller (4) zur Auswertung des Korrelationssignals verbunden ist. Um auf eine Phasenanpassung der zu korrelierenden Signale verzichten zu können, ist vorgesehen, dass der Controller (4) einen Frequenzgenerator (5) beaufschlagt, dessen Ausgangssignal über eine Endstufe (6) in den Gleiskreis (1) einkoppelbar ist und dass der Frequenzgenerator (5) ein erstes Steuersignal (fOsz) und ein gegenüber diesem um 90° versetztes zweites Steuersignal (fOsz+ 90°) erzeugt, wobei das erste Steuersignal (fOsz) auf einen Steuereingang des Synchrongleichrichters (7) und das zweite Steuersignal (fOsz+ 90°) auf einen Steuereingang eines zweiten Synchrongleichrichters (7.1), der über einen zweiten Tiefpassfilter (9.1) mit dem Controller (4) verbunden ist, geführt ist, und wobei Signaleingänge der Synchrongleichrichter (7, 7.1) mit dem aus dem Gleiskreis (1) über einen Tiefpass (11) ausgekoppelten Signal verbunden sind.

Figure imgaf001
The invention relates to a circuit arrangement for monitoring the occupancy state of a switch or a track area, by means of a track circuit (1), wherein during the driving of the track circuit (1) by a rail vehicle a resulting damping and resonance frequency change is detectable, with a synchronous rectifier for correlation in the Track circuit (1) coupled with decoupled from the track circuit (1) signals, which is connected via a low-pass filter (9) with a controller (4) for evaluating the correlation signal. In order to dispense with a phase adaptation of the signals to be correlated, it is provided that the controller (4) acts on a frequency generator (5) whose output signal can be coupled into the track circuit (1) via an output stage (6) and in that the frequency generator (5 ) generates a first control signal (f Osz ) and a second control signal (f Osz + 90 ° ) offset from it by 90 °, wherein the first control signal (f Osz ) to a control input of the synchronous rectifier (7) and the second control signal (f Osz + 90 ° ) to a control input of a second synchronous rectifier (7.1) which is connected via a second low-pass filter (9.1) to the controller (4) is guided, and wherein signal inputs of the synchronous rectifier (7, 7.1) with the from the track circuit (1 ) are connected via a low pass (11) decoupled signal.
Figure imgaf001
EP06117115A 2005-07-20 2006-07-13 Circuit for monitoring the occupancy of points or of a track section Not-in-force EP1746008B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005034640A DE102005034640B4 (en) 2005-07-20 2005-07-20 Circuit arrangement for monitoring the occupancy state of a switch or a track area

Publications (3)

Publication Number Publication Date
EP1746008A2 EP1746008A2 (en) 2007-01-24
EP1746008A3 true EP1746008A3 (en) 2007-09-19
EP1746008B1 EP1746008B1 (en) 2009-06-03

Family

ID=36928785

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06117115A Not-in-force EP1746008B1 (en) 2005-07-20 2006-07-13 Circuit for monitoring the occupancy of points or of a track section

Country Status (3)

Country Link
EP (1) EP1746008B1 (en)
AT (1) ATE432859T1 (en)
DE (2) DE102005034640B4 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101830239B (en) * 2010-03-02 2012-04-18 王国荣 Intelligent shunt circuit for section track and route type piecewise unlocking method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2623967A1 (en) * 1976-05-28 1977-12-08 Standard Elektrik Lorenz Ag PHASE-SYNCHRONOUSLY CONTROLLED TRACK CIRCUIT RECEIVER
DE3333298A1 (en) * 1983-09-15 1985-04-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart DC circuit receiver with phase adjustment
EP0470416A2 (en) * 1990-08-09 1992-02-12 Alcatel SEL Aktiengesellschaft Track circuit with cross-correlation
WO2004071839A1 (en) * 2003-02-13 2004-08-26 General Electric Company (A New York Corporation) Digital train system for automatically detecting trains approaching a crossing
DE10320680A1 (en) * 2003-04-30 2004-12-02 Siemens Ag Circuit arrangement for monitoring the occupancy status of a switch or a track area

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2623967A1 (en) * 1976-05-28 1977-12-08 Standard Elektrik Lorenz Ag PHASE-SYNCHRONOUSLY CONTROLLED TRACK CIRCUIT RECEIVER
DE3333298A1 (en) * 1983-09-15 1985-04-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart DC circuit receiver with phase adjustment
EP0470416A2 (en) * 1990-08-09 1992-02-12 Alcatel SEL Aktiengesellschaft Track circuit with cross-correlation
WO2004071839A1 (en) * 2003-02-13 2004-08-26 General Electric Company (A New York Corporation) Digital train system for automatically detecting trains approaching a crossing
DE10320680A1 (en) * 2003-04-30 2004-12-02 Siemens Ag Circuit arrangement for monitoring the occupancy status of a switch or a track area

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BAERTSCHI T ET AL: "DER TIEFFREQUENTE GLEISSTROMKREIS UGSK 95", SIGNAL + DRAHT, TELZLAFF VERLAG GMBH. DARMSTADT, DE, vol. 88, no. 11, November 1996 (1996-11-01), pages 11 - 14, XP000779915, ISSN: 0037-4997 *

Also Published As

Publication number Publication date
DE102005034640A1 (en) 2007-02-15
EP1746008B1 (en) 2009-06-03
EP1746008A2 (en) 2007-01-24
DE502006003863D1 (en) 2009-07-16
DE102005034640B4 (en) 2007-05-03
ATE432859T1 (en) 2009-06-15

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