EP1746009A3 - 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

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Publication number
EP1746009A3
EP1746009A3 EP06117123A EP06117123A EP1746009A3 EP 1746009 A3 EP1746009 A3 EP 1746009A3 EP 06117123 A EP06117123 A EP 06117123A EP 06117123 A EP06117123 A EP 06117123A EP 1746009 A3 EP1746009 A3 EP 1746009A3
Authority
EP
European Patent Office
Prior art keywords
track circuit
controller
signal
circuit
synchronous rectifier
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
EP06117123A
Other languages
German (de)
French (fr)
Other versions
EP1746009B1 (en
EP1746009A2 (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 EP1746009A2 publication Critical patent/EP1746009A2/en
Publication of EP1746009A3 publication Critical patent/EP1746009A3/en
Application granted granted Critical
Publication of EP1746009B1 publication Critical patent/EP1746009B1/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)

Abstract

Die Erfindung betrifft eine Schaltungsanordnung zur Überwachung des Belegungszustandes einer Weiche oder eines Gleisbereichs mittels eines Gleiskreises (1), wobei während der Befahrung des Gleiskreises (1) durch ein Schienenfahrzeug eine resultierende Dämpfungs- und Resonanzfrequenzänderung detektierbar ist, mit einem Synchrongleichrichter (8) zur Korrelation in den Gleiskreis (1) eingekoppelte mit aus dem Gleiskreis (1) ausgekoppelten Signalen, der über einen Tiefpassfilter (9) mit einem Controller (4) zur Auswertung des Korrelationssignals (UKorr) verbunden ist. Um Bauteilfehler und Bauteilausfälle auf einfache Weise erkennen zu können, ist vorgesehen, dass der Controller (4) einen Frequenzgenerator (5) ansteuert, dessen Ausgangssignal über eine Endstufe (6) in den Gleiskreis (1) einkoppelbar ist, dass der Frequenzgenerator (5) ein erstes Steuersignal (fosz) erzeugt, das über ein erstes vom Controller (4) zyklisch mit Invertierungssignalen (INV_REAL) ansteuerbares Exklusiv/Oder-Gatter (7) auf einen Steuereingang des Synchrongleichrichters (8) geführt ist, dass ein Signaleingang des Synchrongleichrichters (8) mit dem aus dem Gleiskreis (1) ausgekoppelten Signal verbunden ist und dass der Controller (4) Mittel zur Auswertung und zum Vergleich der Betragswerte (UKORR_BETRAG) der invertierten und der nicht invertierten Korrelationssignale (UKorr) aufweist.

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 (8) for correlation in the track circuit (1) coupled with the 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 (U Korr ). In order to be able to detect component faults and component failures in a simple manner, it is provided that the controller (4) controls a frequency generator (5) whose output signal can be coupled into the track circuit (1) via an output stage (6), that the frequency generator (5) generates a first control signal (f osz ) which is fed to a control input of the synchronous rectifier (8) via a first cyclically controlled by the controller (4) inverting signals (INV_REAL) exclusive OR gate (7) that a signal input of the synchronous rectifier ( 8) is connected to the (from the track circuit 1) coupled out signal and that the controller 4 has () means for evaluating and comparing the magnitude values (U KORR_BETRAG) of the inverted and non-inverted correlation signals (U corr).
Figure imgaf001
EP06117123A 2005-07-20 2006-07-13 Circuit for monitoring the occupancy of points or of a track section Not-in-force EP1746009B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005034641A DE102005034641B3 (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
EP1746009A2 EP1746009A2 (en) 2007-01-24
EP1746009A3 true EP1746009A3 (en) 2007-09-19
EP1746009B1 EP1746009B1 (en) 2009-06-03

Family

ID=36928786

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06117123A Not-in-force EP1746009B1 (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) EP1746009B1 (en)
AT (1) ATE432860T1 (en)
DE (2) DE102005034641B3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007023476B4 (en) * 2007-05-15 2009-07-09 Siemens Ag wheel sensor
GB2482569B (en) 2010-12-23 2013-05-08 Control And Display Systems Ltd Railway track circuit monitor
DE102015217535B3 (en) 2015-09-14 2016-12-22 Thales Deutschland Gmbh Method for determining the speed of a rail-bound vehicle

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
ATE432860T1 (en) 2009-06-15
DE502006003864D1 (en) 2009-07-16
DE102005034641B3 (en) 2007-03-08
EP1746009B1 (en) 2009-06-03
EP1746009A2 (en) 2007-01-24

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