EP2127992B1 - Circuit pour surveiller les contacts de fin de course pour un entrainement triphasé à quatre fils pour un aiguillage - Google Patents

Circuit pour surveiller les contacts de fin de course pour un entrainement triphasé à quatre fils pour un aiguillage Download PDF

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Publication number
EP2127992B1
EP2127992B1 EP09007215A EP09007215A EP2127992B1 EP 2127992 B1 EP2127992 B1 EP 2127992B1 EP 09007215 A EP09007215 A EP 09007215A EP 09007215 A EP09007215 A EP 09007215A EP 2127992 B1 EP2127992 B1 EP 2127992B1
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EP
European Patent Office
Prior art keywords
rail switch
wüa
wül
wür
voltage
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.)
Not-in-force
Application number
EP09007215A
Other languages
German (de)
English (en)
Other versions
EP2127992A2 (fr
EP2127992A3 (fr
Inventor
Reinhold Hundt
Ralf Otto
Thomas Dr. Pasternok
Stephan Tschorn
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.)
Funkwerk Information Technologies GmbH
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Funkwerk Information Technologies GmbH
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 Funkwerk Information Technologies GmbH filed Critical Funkwerk Information Technologies GmbH
Priority to PL09007215T priority Critical patent/PL2127992T3/pl
Publication of EP2127992A2 publication Critical patent/EP2127992A2/fr
Publication of EP2127992A3 publication Critical patent/EP2127992A3/fr
Application granted granted Critical
Publication of EP2127992B1 publication Critical patent/EP2127992B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
    • B61L5/062—Wiring diagrams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
    • B61L5/107—Locking mechanisms for points; Means for indicating the setting of points electrical control of points position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
    • B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
    • B61L7/08—Circuitry

Definitions

  • the invention relates to a circuit for monitoring limit switches of a 4-wire three-phase drive of a switch and to generate a message about the current order position of the switch or a Auffahrmeldung.
  • the describes DE 30 43 661 A1 An institution at an electronic interlocking for food and remote monitoring turnout drives.
  • a potential-free monitoring voltage is supplied to two connection points of the switch.
  • the device comprises inter alia three monitors, which are each designed as optocouplers.
  • a monitoring current is passed to the first supervisor and the second or, alternatively, to the third supervisor.
  • the activation of the individual monitors is then applied to a control computer, which can determine from this only the current point location according to a logic impressed him.
  • activation of the first monitor together with the second or third monitor indicates the "left" or "right” position message.
  • Activation of only the first supervisor ie without activation of the second or third supervisor, signals an upset turnout. Therefore, the position message must be omitted in any case, to mark the switch as "Hommerion".
  • Such a circuit is error-prone.
  • the invention is therefore an object of the invention to provide a circuit for monitoring limit switches of a 4-wire three-phase drive a switch and to generate a message about the current order of the switch or a Auffahrmeldung available, with which prevent the aforementioned disadvantages which is therefore structurally particularly simple, efficient and at the same time extremely reliable, moreover inexpensive and extremely trouble-free as well as failsafe.
  • the design of the circuit according to the invention for monitoring limit switches of a 4-wire three-phase drive a switch and to generate a message about the current order position of the switch or Auffahrmeldung the four limit switches of the switch, of which two a switch blade of the switch for Linksichen and two of the legal situation are assigned, and includes a Weichenschreibwacher for reporting the left position, a Weichenschreibwacher for reporting the legal situation and a Weichenschreibwacher for reporting the Auffahrung, the four limit switches of the switch are supplied with a monitoring voltage and the four limit switches of the switch accordingly the position of the four limit switches of the switch generate an excitation voltage and one of the three points monitor by mirroring the monitoring voltage supply, which generates the message about the order of the switch or the Auffahrmeldung and to a verarbe conveying device for their preparation and / or further processing, wherein the points monitor for Generation of Auffahrmeldung two mutually poled and supplied with a monitoring voltage with a negative polarity optocoupler includes and wherein the points monitor for
  • the circuit according to the invention allows a start-up message based on a voltage monitoring (+60 V or +48 V instead of 0 V), which tolerates a wide range of values and can also be operated with a stamped current of 30 mA. All these advantages also far outweigh the fact that the circuit according to the invention can be used without external voltage detection for reasons of safety only for short positioning and monitoring distances of up to about 200 m. All the more so because recently it is increasingly observed that a signal box not as before with a central control, but with a decentralized and locally-based control is provided. As a rule, only positioning and monitoring distances of less than 100 m, typically even only about 10 m, between the signal box and the switch are to be bridged anyway.
  • a circuit 10 according to the invention is shown.
  • a 4-wire three-phase drive (not shown) of a switch (also not shown) four limit switches S1.1, S1.2, S2.1, S2.2 are installed.
  • two limit switches S1.1, S1.2 of a switch point of the switch for left position and two limit switches S2.1, S2.2 assigned to a switch point of the switch for legal position.
  • the Fig. 1 to 3 each differ in the position of the limit switches S1.1, S1.2, S2.1, S2.2 of the switch, as will be explained in more detail below.
  • the limit switches S1.1, S1.2, S2.1, S2.2 detect in pairs antivalent the position of the switch point of a switch. Accordingly, one switch is always closed for a regulatory position and one switch is opened while the other switch pair behaves in the opposite direction.
  • the limit switches S1.1, S1.2, S2.1, S2.2 of the circuit 10 are arranged in a monitoring in a current branch, over which their end position can be tested.
  • the monitoring takes place in the circuit 10 according to the invention by means of a monitoring voltage U ÜW in the form of a short-circuit-proof DC voltage.
  • a monitoring voltage U ÜW a DC voltage of approximately between +48 V and +60 V inclusive is provided, and more particularly of +48 V or +60 V is preferred.
  • an essentially constant current of 30 mA is advantageously used for the monitoring.
  • the monitoring voltage U ÜW is fed to the connection points V and Mp of the switch. Via the limit switches S1.1, S1.2 S2.1, S2.2 this voltage U ÜW is mirrored onto the connection points U and W depending on the position of the switch.
  • the polarity of the mirrored voltage is in the circuit 10 of the invention Fig. 1 to 3 by means of a simple voltage detection via a points monitor WÜL or WÜL.1, WÜL.2 for reporting the left position, a points monitor WÜR or WÜR.1, WÜR.2 for reporting the legal situation and a points monitor WÜA or WÜA.1, WÜA. 2 recorded to report the Auffahr.
  • the turnout monitor WÜL or WÜL.1, WÜL.2 for reporting the left position and the turnout monitor WÜR or WÜR.1, WÜR.2 for reporting the legal situation are each designed as optocouplers.
  • the point monitor for generating the approach message WÜA or WÜA.1, WÜA.2 comprises two mutually poled and supplied with a monitoring voltage U ÜW with a negative polarity optocoupler.
  • Optocouplers provide one each complete potential separation between monitoring circuit and evaluation logic safe.
  • circuit 10 according to the invention is potential-controlled, the circuit 10 is indeed relatively susceptible to interference voltages.
  • a use of the circuit according to the invention due to safety regulations on control and monitoring distances of up to about 200 m is limited.
  • the advantage resulting from the circuit 10 according to the invention all outweighs this limitation, as already explained at the outset, since in the case of decentralized interlockings the distance to the outside element is small.
  • the monitoring voltage U ÜW is mirrored in an order position or in a normal case of a proper turnout end position by the limit switches S1.1, S1.2, S2.1, S2.2 such that a potential difference or excitation voltage at the turnout monitors WÜL. 1, WÜL.2, WÜR.1, WÜR.2, WÜA.1, WÜA.2 is present.
  • the turnout monitors WÜL.1, WÜL.2, WÜR.1, WÜR.2, WÜA.1, WÜA.2 generate a 2-channel turnout end position to the signal box.
  • the switch is in the order position or in the normal case of a normal turnout end position "right".
  • the limit switches S1.1, S2.2 are closed and the limit switches S1.2, S2.1 are open.
  • the connection point U of the switch now carries a positive voltage, since the limit switch S1.1 reproduces the supplied monitoring voltage U ÜW of the connection point V of the switch.
  • the negative voltage potential of the connection point Mp of the switch is reproduced by the limit switch S2.2 to the connection point W of the switch.
  • the turnout monitors WOR.1 and WÜR.2 are thus operated in the forward direction with the excitation voltage, which thus signal the legal position WÜR (turnout monitor right) of the turnout to the interlocking.
  • the switch is in the order position or in the normal case a proper turnout end position "left".
  • the limit switches S1.1, S2.2 are open and the limit switches S1.2, S2.1 are closed.
  • the connection point U carries a negative voltage, since the limit switch S1.2 reproduces the supplied monitoring voltage U ÜW from the connection point Mp.
  • the positive voltage potential from the connection point V is reproduced at W by the limit switch S2.1.
  • the turnout monitors WÜL.1 and WÜL.2 are thereby operated in the forward direction with the excitation voltage, which thus signal the left-hand position WÜL (turnout monitoring link) of the turnout to the interlocking.
  • the switch is in the position or in the special case of an ascended switch "raised” or “circulating”, wherein the switch point of the switch assumes a position deviating from an end position or one of the two order positions "left” or “right” the position "Hommet” is due to the limit switches S1.1 and S2.1 only positive voltage potential at the connection points U and W. Accordingly, the limit switches S1.1, S2.1 are closed and are the limit switches S1.2, S2.2 The connection points U and W each carry a positive voltage, since the limit switches S1.1, S2.2 reproduce the fed-in voltage from the connection point V.
  • the exciter voltage is applied via the internal connection of the turnout monitors WÜA.1 and WÜA.2 Turnout monitors WÜA.1 and WÜA.2 constructed in this way, and a 2-channel Auffahrmeldung or message about the Auffahrlage or circulation position WÜA (WeichenÜberwacherGermangefahr en) of the switch to the signal box.
  • the turnout monitors WÜL.1, WÜL.2 or WÜR.1, WÜR.2 to report the left position or to report the legal situation, which each include an optocoupler, are each connected in series to each other.
  • the turnout monitors WÜA.1, WÜA.2 for generating a Auffahrmeldung each comprising two mutually poled and supplied with a monitoring voltage U ÜW with a negative polarity optocouplers are each arranged parallel to each other.
  • a monitoring voltage U ÜW of, for example, +48 V or +60 V at the connection points V and Mp of the points drive is fed.
  • the drive coils are virtually absent, since the ohmic resistance of the winding is about 11 to 13 ⁇ - this can be neglected in comparison to the internal resistance of the optocouplers of about 2k ⁇ .
  • a + 60V potential of different polarity is detected at the connection points U and W.
  • FIG. 4 is a functional diagram of the circuit 10 according to the invention for monitoring the four limit switches of the 4-wire three-phase drive of the switch shown.
  • the circuit 10 comprises rectifier diodes GD, which select the polarity of the reflected exciter voltage and, depending on the switch configuration, supply the exciter voltage to one of the three switch monitors WÜL, WÜR, WÜA.
  • the turnout monitors WÜL, WÜR, WÜA in turn generate the corresponding message on the secondary side, be it about the current order situation "left" or "right” of the turnout, be it about an approach position.
  • FIG. 5 to 7 three typical states of the four limit switches of the 4-wire three-phase drive of the switch and thus the 4-wire three-phase drive of the switch itself are shown. In addition, for each of the states, the current flow for the monitoring is highlighted in bold. Dominates a regulatory situation, as from the FIGS. 5 and 6 shows, the limit switches S1.1, S1.2, S2.1, S2.2 are completely contrary to the order situation "right” for a regulatory situation "links".
  • Fig. 5 is an order situation "links" the switch illustrated.
  • the monitoring voltage U ÜW which is fed to the connection points V and Mp is reflected back with a negative polarity at the terminals or terminals U and W and an excitation voltage is generated, which causes excitation of the points monitor WÜL (WeichenÜberwacherLinks).
  • Fig. 6 is a regulatory situation "right" illustrates the switch.
  • the monitoring voltage U ÜW which is fed in at the connection points V and Mp, is reflected back with a positive polarity at the connection points or terminals U and W and an excitation voltage is generated, which causes an excitation of the points monitor WÜR (switch monitor-right).
  • the turnout monitor WÜA is activated. It is in the logic of the signal box to recognize whether it is a turnout not reached the new end position or an up-driven turnout to forward a message to the data processing device and to generate, for example, a corresponding display on an operator terminal.
  • the circuit 10 additionally comprises four rectifier diodes GD in order to select the reflected-back monitoring voltage U ÜW and / or the generated counter potential of the monitoring voltage Usw.
  • the present invention is not limited to the illustrated embodiments of the circuit 10 according to the invention.
  • the monitoring voltage U ÜW of, for example, +48 V or +60 V to feed a lower monitoring voltage of, for example, +24 V at the connection points V and Mp of the points drive, whereby the function of the circuit 10 according to the invention is not changed
  • the monitoring voltage U ÜW of, for example, +48 V or +60 V instead of the monitoring voltage U ÜW of, for example, +48 V or +60 V to supply a negative monitoring voltage of, for example, -48 V or -60 V at the connection points V and Mp of the point machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Ac Motors In General (AREA)

Claims (9)

  1. Circuit pour la surveillance de commutateurs de fin de course d'un entraînement à courant triphasé à quatre fils d'un aiguillage et pour générer une annonce concernant la situation en ordre actuelle de l'aiguillage ou une annonce de circulation arrivante, qui comprend quatre commutateurs de fin de course (S1.1, S1.2, S2.1, S2.2) de l'aiguillage, parmi lesquels deux (S1.1, S1.2) sont associés à un coeur de l'aiguillage pour disposition à gauche et deux (S2.1, S2.2) sont associés à un coeur de l'aiguillage pour disposition à droite, et un élément de surveillance d'aiguillage pour annoncer la disposition à gauche WÜL; WÜL.1, WÜL.2), un élément de surveillance d'aiguillage pour annoncer la disposition à droite (WÜR; WÜR.1, WÜR.2) et un élément de surveillance d'aiguillage pour annoncer la circulation arrivante (WÜA; WÜA.1, WÜA.2), dans lequel les quatre commutateurs de fin de course (S1.1, S1.2, S2.1, S2.2) de l'aiguillage sont alimentés avec une tension de surveillance (UÜW) et les quatre commutateurs de fin de course (S1.1, S1.2, S2.1, S2.2) de l'aiguillage engendrent, en correspondance de la situation des quatre commutateurs de fin de course (S1.1, S1.2, S2.1, S2.2) de l'aiguillage une tension d'excitation et la fournissent à l'un des trois éléments de surveillance d'aiguillage (WÜL, WÜR, WÜA; WÜL.1, WÜL.2, WÜR.1, WÜR.2, WÜA.1, WÜA.2) par réflexion de la tension de surveillance (UÜW), qui génère l'annonce concernant la situation en ordre de l'aiguillage ou l'annonce de circulation arrivante et la transmet à un dispositif de traitement de données pour son traitement ou la poursuite de son traitement, caractérisé en ce que l'élément de surveillance d'aiguillage destiné à générer l'annonce de circulation arrivante (WÜA; WÜA.1, WÜA.2) comprend deux coupleurs optiques à polarité mutuellement opposée et alimentés avec une tension de surveillance (UÜW) avec une polarité négative, et en ce que les quatre commutateurs de fin de course (S1.1, S1.2, S2.1, S2.2) de l'aiguillage renvoient de manière réfléchie en correspondance de leur situation la tension de surveillance (UÜW) avec une polarité positive entre des points de raccordement (U) et (W) de l'aiguillage et appliquent une tension d'excitation à l'élément de surveillance d'aiguillage (WÜA; WÜA.1, WOA.2) pour son activation et ainsi génération de l'annonce de circulation arrivante.
  2. Circuit selon la revendication 1, caractérisé en ce que l'élément de surveillance d'aiguillage destiné à annoncer la disposition à gauche (WÜL. WÜL.1, WÜL.2) et l'élément de surveillance d'aiguillage destiné à annoncer la disposition à droite (WÜR. WÜR.1, WÜR.2) comprennent chacun un coupleur optique, et en ce que les quatre commutateurs de fin de course (S1.1, S1.2, S2.1, S2.2) de l'aiguillage renvoient de manière réfléchie la tension de surveillance (UÜW) avec une polarité négative entre les points de raccordement (U) et (W) de l'aiguillage et appliquent une tension d'excitation à l'élément de surveillance d'aiguillage destiné à annoncer la disposition à gauche (WÜL; WÜL.1, WÜL.2) ou à l'élément de surveillance d'aiguillage destiné à annoncer la disposition à droite (WÜR; WÜR.1, WÜR.2) pour son activation et génération de l'annonce de la disposition à gauche ou de la disposition à droite du coeur de l'aiguillage.
  3. Circuit selon la revendication 1 ou 2, caractérisé en ce que les quatre commutateurs de fin de course (S1.1, S1.2, S2.1, S2.2) de l'aiguillage engendrent en correspondance de leur disposition un potentiel antagoniste positif à la tension de surveillance (UÜW), et appliquent le potentiel antagoniste positif à titre de tension d'excitation via un chaînage de type "ET" aux deux coupleurs optiques à polarité mutuellement opposée de l'élément de surveillance d'aiguillage (WÜA; WÜA.1, WÜA.2) pour son activation.
  4. Circuit selon l'une des revendications 1 à 3, caractérisé en ce que le circuit (10) comprend un autre coupleur optique (WA-Test), auquel est appliqué, lors d'une interruption aléatoire ou cyclique de la référence négative de la tension de surveillance (UÜW) un potentiel antagoniste positif de la tension de surveillance (UÜW) à antagoniste positif de la tension de surveillance (UÜW) à titre de tension d'excitation aux deux coupleurs optiques à polarité mutuellement opposée de l'élément de surveillance d'aiguillage (WÜA; WÜA.1, WÜA.2) pour son activation.
  5. Circuit selon l'une des revendications 1 à 4, caractérisé en ce qu'il est prévu deux éléments de surveillance d'aiguillage pour générer l'annonce de circulation arrivante (WÜA; WÜA.1, WÜA.2) avec chacun des coupleurs optiques à polarité mutuellement opposée et alimentés avec une tension de surveillance (UÜW) à polarité négative, qui sont agencés respectivement parallèlement l'un à l'autre.
  6. Circuit selon l'une des revendications 1 à 5, caractérisé en ce qu'il est prévu deux éléments de surveillance d'aiguillage pour annoncer la disposition à gauche (WÜL; WÜL.1, WÜL.2) chacun avec un coupleur optique et/ou deux éléments de surveillance d'aiguillage pour annoncer la disposition à droite (WÜR; WÜR.1, WÜR.2) chacun avec un coupleur optique, qui sont respectivement agencés en série les uns par rapport aux autres.
  7. Circuit selon l'une des revendications 1 à 6, caractérisé en ce que le circuit comprend quatre diodes redresseuses (GD) pour la sélection de la tension de surveillance renvoyée de manière symétrique (UÜW) et/ou du potentiel antagoniste généré à la tension de surveillance (UÜW).
  8. Circuit selon l'une des revendications 1 à 7, caractérisé en ce que les quatre commutateurs de fin de course (S1.1, S1.2, S2.1, S2.2) de l'aiguillage sont alimentés à titre de tension de surveillance (UÜW) avec une tension continue approximativement entre + 48 V et + 60 V y compris, en particulier de + 48 V ou + 60 V.
  9. Circuit selon l'une des revendications 1 à 8, caractérisé en ce que les quatre commutateurs de fin de course (S1.1, S1.2, S2.1, S2.2) de l'aiguillage sont alimentés avec un courant essentiellement constant de 30 mA.
EP09007215A 2008-05-29 2009-05-29 Circuit pour surveiller les contacts de fin de course pour un entrainement triphasé à quatre fils pour un aiguillage Not-in-force EP2127992B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09007215T PL2127992T3 (pl) 2008-05-29 2009-05-29 Układ połączeń do monitorowania przełączników położeń końcowych czteroprzewodowego trójfazowego napędu zwrotnicy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008025710 2008-05-29

Publications (3)

Publication Number Publication Date
EP2127992A2 EP2127992A2 (fr) 2009-12-02
EP2127992A3 EP2127992A3 (fr) 2011-01-12
EP2127992B1 true EP2127992B1 (fr) 2011-09-14

Family

ID=40872414

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09007215A Not-in-force EP2127992B1 (fr) 2008-05-29 2009-05-29 Circuit pour surveiller les contacts de fin de course pour un entrainement triphasé à quatre fils pour un aiguillage

Country Status (4)

Country Link
EP (1) EP2127992B1 (fr)
AT (1) ATE524365T1 (fr)
DE (1) DE102009023262B4 (fr)
PL (1) PL2127992T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011109975A1 (de) 2011-08-11 2013-02-14 Db Netz Ag Schaltung und Verfahren zur Überwachung der Weichenlage innerhalb eines Stellwerkes
ITMI20121435A1 (it) * 2012-08-21 2012-11-20 R S E S P A Dispositivo ottico adatto a generare un segnale di sincronismo per componenti elettrici di una rete elettrica.
DE102018122776A1 (de) * 2018-09-17 2020-03-19 Voestalpine Signaling Sainerholz Gmbh Verfahren und Anordnung zur Endlagenüberwachung
CN113820581B (zh) * 2021-11-19 2022-02-18 浙江杭可仪器有限公司 一种易安装的老化测试装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3043661A1 (de) * 1980-11-19 1982-07-08 Siemens AG, 1000 Berlin und 8000 München Einrichtung bei einem elektronischen stellwerk zum speisen und fernueberwachen von weichenantrieben
DE3638681A1 (de) * 1986-11-13 1988-05-19 Siemens Ag Einrichtung zum fernueberwachen von drehstromweichenantrieben
DE3715478A1 (de) * 1987-05-06 1988-11-17 Licentia Gmbh Schaltungsanordnung zur ueberwachung einer weiche
AT6379U3 (de) * 2003-05-09 2005-06-27 Vae Eisenbahnsysteme Gmbh Einrichtung zum fernüberwachen von weichenantrieben
DE502004000882D1 (de) * 2004-05-07 2006-08-10 Cit Alcatel Elektronische Weichensteuerung mit Ueberwachung der Weichenlage
EP1724177A1 (fr) * 2005-05-12 2006-11-22 Alcatel Circuit, commande et système pour contrôler les lames d'aiguille de chemin de fer

Also Published As

Publication number Publication date
DE102009023262A1 (de) 2009-12-03
PL2127992T3 (pl) 2012-02-29
EP2127992A2 (fr) 2009-12-02
DE102009023262B4 (de) 2010-09-02
ATE524365T1 (de) 2011-09-15
EP2127992A3 (fr) 2011-01-12

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