EP0668203B1 - Achszähler mit änderbarer Schwellwerteinstellung - Google Patents

Achszähler mit änderbarer Schwellwerteinstellung Download PDF

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Publication number
EP0668203B1
EP0668203B1 EP95101718A EP95101718A EP0668203B1 EP 0668203 B1 EP0668203 B1 EP 0668203B1 EP 95101718 A EP95101718 A EP 95101718A EP 95101718 A EP95101718 A EP 95101718A EP 0668203 B1 EP0668203 B1 EP 0668203B1
Authority
EP
European Patent Office
Prior art keywords
axle counter
threshold value
axle
predetermined threshold
rail
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.)
Expired - Lifetime
Application number
EP95101718A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0668203A1 (de
Inventor
Helmut Uebel
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel CIT SA
Alcatel SA
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 Alcatel CIT SA, Alcatel SA filed Critical Alcatel CIT SA
Publication of EP0668203A1 publication Critical patent/EP0668203A1/de
Application granted granted Critical
Publication of EP0668203B1 publication Critical patent/EP0668203B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B61L1/16—Devices for counting axles; Devices for counting vehicles
    • B61L1/161—Devices for counting axles; Devices for counting vehicles characterised by the counting methods
    • 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
    • B61L1/16—Devices for counting axles; Devices for counting vehicles
    • B61L1/163—Detection devices
    • B61L1/165—Electrical

Definitions

  • the invention relates to an axle counter according to the preamble of Claim 1.
  • Such an electromagnetically operating axle counter for track vacancy detection is known from DE-C1-32 18 541. With the axle counter described there the output values of the are not influenced by a wheel Rail contact saved and as reference values for recognizing later Inspection events used. An inspection event is only considered as such if the values supplied by the rail contact are one predefined percentage deviation from the stored, at values unaffected by rail contact. This Relative evaluation should make rail contact largely independent of external influences such. B. rail currents or mechanical Rail tensions.
  • Deviation is fixed and can have a value of around 40%. If For example, the unaffected rail contact outputs a value A, then an inspection event is only evaluated if the one supplied by the rail contact Value is 40% above A. It is now assumed that the outer Conditions have changed and the unaffected rail contact is now one Outputs value A '. An inspection event is now evaluated if the of Value delivered by rail contact by the same percentage, i.e. 40% is the new value A '. Depending on the type of external influences that lead to a Change in value from A to A ', it may be necessary also change the percentage to get a reliable axle count guarantee.
  • the invention is based on the idea that a really reliable Adaptation of the threshold to be exceeded to changed external ones Conditions is only possible if the new threshold from the rail contact influenced by a wheel and not by multiplication with a predetermined factor from the uninfluenced rail contact delivered value is calculated.
  • further switching means provided that the new threshold or values from changes required to calculate it of receiver output signals via a was obtained over a period of several axis passes are determined and fed to the memory. So go according to the invention Values which are tapped at the rail contact influenced by a wheel have been.
  • Claims 2 and 3 relate to the origin of the upgrade command. After that can an upgrade command on site, e.g. with routine maintenance of the Rail contact can be entered manually or, if necessary, also automatically, from one in a signal box or similar superordinate control unit located monitoring device, to be triggered.
  • the subject of claim 4 is a monitoring device which e.g. carry out statistical evaluations and issue an upgrade signal in the Location is.
  • Claim 5 finally, relates to an embodiment for a Evaluation circuit.
  • Fig. 1 is on a rail of a track GL of a railroad system a rail contact SCH, with a sending head SK, a receiving head EK and assigned transmitter and Receiver circuits S and E, which are in a few meters from the track remotely located, so-called electronic junction box EAK are housed together with an evaluation circuit AS.
  • Transmit head SK and receive head EK of the rail contact SCH are via separate connecting lines with the electronic Junction box EAK connected.
  • the ones in the electronic junction box located transmitter circuit S is used to excite vibration arranged in the transmitter head, the receiver circuit E has the task of amplifying the signal induced in the receiving head and according to its amplitude and / or phase position (opposite the transmission signal as a reference) in a the wheel position during the Analogue representing continuity through the rail contact Convert output signal.
  • the ones in the electronic junction box located evaluation circuit AS compares that of the Received analog output signal with a Threshold and sets it with sufficient signal amplitude and Signal duration in a counting pulse for the signal box.
  • axle counters use a fixed threshold value set voltage that, once set, never again is changed. Since a change in the received signal with the Time, e.g. due to rail wear, is inevitable, must from time to time these axle counters get the contact with the rails readjusted, i.e. mechanically adjusted that the Received signal back to the originally supplied received signal corresponds.
  • the evaluation circuit contains AS, as shown in Fig. 2, for storing the Threshold rewritable memory SMA, SMI that allow the entered threshold with a new one Replace threshold.
  • the averaging can also take place before the storage and the mean itself get saved.
  • the discrete arrangement shown in Fig. 2 can also by a computer can be realized.
  • the latter is particularly useful then when a remote setting from a parent Control station, e.g. an interlocking is provided.
  • the computer can then be used for data exchange with the control center become.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Liquid Crystal Substances (AREA)
  • Vehicle Body Suspensions (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
EP95101718A 1994-02-17 1995-02-09 Achszähler mit änderbarer Schwellwerteinstellung Expired - Lifetime EP0668203B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4405039 1994-02-17
DE4405039A DE4405039A1 (de) 1994-02-17 1994-02-17 Achszähler mit änderbarer Schwellwerteinstellung

Publications (2)

Publication Number Publication Date
EP0668203A1 EP0668203A1 (de) 1995-08-23
EP0668203B1 true EP0668203B1 (de) 1999-05-06

Family

ID=6510466

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95101718A Expired - Lifetime EP0668203B1 (de) 1994-02-17 1995-02-09 Achszähler mit änderbarer Schwellwerteinstellung

Country Status (6)

Country Link
US (1) US5629509A (es)
EP (1) EP0668203B1 (es)
AT (1) ATE179660T1 (es)
CA (1) CA2139999C (es)
DE (2) DE4405039A1 (es)
ES (1) ES2131227T3 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19745436A1 (de) * 1997-10-15 1999-04-22 Cit Alcatel Schienenkontakt für eine Achszähleinrichtung
US6179693B1 (en) * 1998-10-06 2001-01-30 International Business Machines Corporation In-situ/self-propelled polishing pad conditioner and cleaner
DE19901568A1 (de) * 1999-01-16 2000-07-27 Alcatel Sa Verfahren zur Auswertung von Schienenkontaktsignalen
DE10127277A1 (de) * 2001-05-28 2002-12-05 Siemens Ag System zur induktiven Zugsicherung
AT413373B (de) * 2003-03-27 2006-02-15 Frauscher Josef Schaltungsanordnung zum abgleichen von induktiven sensoren
ES2319062B1 (es) * 2007-09-19 2010-02-03 Lineas Y Cables, S.A. Pedal ferroviario.
DE102009048652A1 (de) 2009-09-30 2011-03-31 Msb-Management Gmbh Gebereinrichtung einer Rottenwarnanlage und Rottenwarnanlage
US8686301B2 (en) 2011-07-15 2014-04-01 International Paper Company System to determine if vehicle correctly positioned during weighting, scale ticket data system and methods for using same
US9208681B2 (en) 2014-03-27 2015-12-08 Xerox Corporation Vehicle wheel and axle sensing method and system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748443A (en) * 1971-07-01 1973-07-24 S Kroll Wheel sensing apparatus
US3779086A (en) * 1972-10-11 1973-12-18 Vapor Corp Combined pulse generator and odometer assembly for a railway locomotive
DE3218541C1 (de) * 1982-05-17 1983-11-03 Siemens AG, 1000 Berlin und 8000 München Schienenkontakt für spurgeführte Fahrzeuge
DE4008162C1 (es) * 1990-03-15 1991-02-07 Mannesmann Kienzle Gmbh, 7730 Villingen-Schwenningen, De

Also Published As

Publication number Publication date
DE59505807D1 (de) 1999-06-10
DE4405039A1 (de) 1995-08-24
CA2139999C (en) 2003-01-07
US5629509A (en) 1997-05-13
ATE179660T1 (de) 1999-05-15
ES2131227T3 (es) 1999-07-16
CA2139999A1 (en) 1995-08-18
EP0668203A1 (de) 1995-08-23

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