EP1524167B1 - Procédé et circuit pour créer un signal sûr de confirmation pour des applications ferroviaires - Google Patents

Procédé et circuit pour créer un signal sûr de confirmation pour des applications ferroviaires Download PDF

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Publication number
EP1524167B1
EP1524167B1 EP20040022257 EP04022257A EP1524167B1 EP 1524167 B1 EP1524167 B1 EP 1524167B1 EP 20040022257 EP20040022257 EP 20040022257 EP 04022257 A EP04022257 A EP 04022257A EP 1524167 B1 EP1524167 B1 EP 1524167B1
Authority
EP
European Patent Office
Prior art keywords
railway
unit
command
feedback
railway technical
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
EP20040022257
Other languages
German (de)
English (en)
Other versions
EP1524167A3 (fr
EP1524167A2 (fr
Inventor
Martin Bachmann
Rolf Schmid
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 Schweiz AG
Original Assignee
Siemens Schweiz AG
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 Schweiz AG filed Critical Siemens Schweiz AG
Priority to EP20040022257 priority Critical patent/EP1524167B1/fr
Publication of EP1524167A2 publication Critical patent/EP1524167A2/fr
Publication of EP1524167A3 publication Critical patent/EP1524167A3/fr
Application granted granted Critical
Publication of EP1524167B1 publication Critical patent/EP1524167B1/fr
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
    • 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 method and a circuit arrangement for generating a railway technically safe feedback according to the preamble of patent claims 1 and 4, respectively.
  • the feedback includes monitoring contacts and conditions such as «Barrier closed» or «Soft locked». Due to such feedback, e.g. a signal can be set free.
  • FIG. 1 a circuit arrangement according to the prior art is shown.
  • a first railway technical unit 10 is connected via a line 3 to a second railway technical unit 20.
  • a contact 18 is actuated and causes a voltage U 1 is present at the output of the first unit and a voltage U 2 is present at the input of the second railway technical unit 20.
  • the voltage applied to the output of the first unit is used to generate a feedback 2. Due to the strong electromagnetic fields occurring in the track area (in Fig. 1 symbolically represented by the arrow 4), it is now possible that such a high voltage is induced via the lines 3, with which a feedback 2 can be generated via a supposedly executed command 1.
  • the font DE 31 40 559 A1 (D3) describes a circuit arrangement for fail-safe operation of AC-powered signal lamps, which are operated at night with a lower voltage.
  • a change in the threshold value during day / night switching is provided. This is achieved by connecting or disconnecting an additional circuit affecting the fallback excitation.
  • the present invention is therefore an object of the invention to provide a method and a circuit arrangement for generating a railway technically safe feedback_, which are largely immune to the interference occurring in the track area and which are useful for other railway technical units.
  • the invention is also particularly advantageous because on the side of the first railway technical unit for the detection of the alternating current (and thus to generate a feedback) in railway engineering established power relay, in particular safety relay can be used.
  • the current represents the relevant quantity and is used as a criterion for the presence or absence of information. If the conductors between the two railway technical units are arranged symmetrically, that is, as a "twisted pair", only symmetry errors can be effective,
  • the disadvantage is that a voltage in the order of magnitude of the voltage U 1 is induced by the strong electromagnetic interference fields 7 occurring in the track area on the lines 3. To generate a feedback 2, the voltage U 1 is tapped in the first unit 10. Under the aforementioned influencing factors, it is now easy to see that feedback generated in this way is not safe from a railway engineering point of view.
  • FIG. 2 is a circuit arrangement according to the invention for generating a railway technically safe feedback in a schematic representation shown.
  • the first railway technical unit 10 has a DC power source 11 which is coupled via a charging resistor 14 with an astable multivibrator 12.
  • the charging resistor 14 serves to limit the current.
  • voltage U 1 is to be understood as DC voltage. Only symbolically a switchable by a command 1 contact 18 is shown, since a power source from the outside can not be switched.
  • a current transformer 22 is arranged, which has two independent secondary circuits 23.1 and 23.2. Not shown further, the generation of another command for transmission to another railway technical unit 30.
  • the astable multivibrator 12 flows between the two units 10 and 20, an alternating current i st .
  • the multivibrator 12 operates on the so-called on / off principle, without consideration of inductive influences, the voltage U 1a has a rectangular shape.
  • Typical frequencies for the astable multivibrator are 1 Hz .. 1 kHz, preferably 50 Hz.
  • a so-called AC relay 13 is inserted on the side of the first unit 10. This has a rectifier to drive a DC relay. Now flows due to a command 1, an alternating current i st between the two railway engineering units, the above-mentioned relay is activated and can close with guided contacts another circuit, by which the return message 2 is generated, so-called loop control.
  • the impedance of the current transformer is on the order of about 0.1 ohms.
  • On the side of the first railway technical unit 10 can be used for the circuit control as an alternative to the AC relay 13, a current transformer or a Hall element.
  • AC relay 13 it is particularly advantageous to use as AC relay 13 such safe types established in railway operation. Such established secure types have valent and antivalent contacts. Likewise, for reasons of required redundancy and independence, several such AC relays can be used to generate a secure feedback.
  • a purely ohmic connection can be provided.
  • the internal resistance value R i is typically of the same order of magnitude as the above-indicated impedance of the current transformer 22.
  • Fig. 3 is shown as a further embodiment instead of a current transformer 22 with separate secondary circuits 23.1 and 23.2 a Hall element 32 with also separate secondary circuits 33.1 and 33.2.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Claims (4)

  1. Procédé de production d'une confirmation sûre en technique ferroviaire d'une instruction ( 1 ) exécutée dans lequel on envoie l'instruction ( 1 ) à une première unité ( 10 ) de technique ferroviaire et on la transmet pour exécution à une deuxième unité ( 20 ) de technique ferroviaire par une ligne ( 3 ) et on peut prendre la confirmation ( 2 ) sur la première unité ( 10 ) de technique ferroviaire ; dans lequel
    - la transmission de l'instruction ( 1 ) s'effectue par l'intermédiaire d'une ligne bifilaire au moyen d'une source ( 11, 12 ) de courant alternatif contenue dans la première unité ( 10 ) de technique ferroviaire et
    - la confirmation ( 2 ) est produite à partir du courant ( ist ) passant entre la première et la deuxième unité de technique ferroviaire ;
    caractérisé en ce que
    la deuxième unité ( 20 ) de technique ferroviaire comporte
    - un convertisseur ( 22 ) de courant ou
    - un élément ( 32 ) de hall ou
    - un élément ( 42 ) de couplage électro-optique à la sortie ( 5.1, 5.2 ; 23.1, 23.2 ; 33.1, 33.2 ) duquel est produite une autre instruction ( 5 ) de technique ferroviaire constituée en balise.
  2. Procédé suivant la revendication 1, caractérisé en ce que la confirmation ( 2 ) est transmise par un relais ( 13 ) en courant alternatif disposé dans la première unité ( 10 ) de technique ferroviaire.
  3. Procédé suivant la revendication 1 ou 2, caractérisé en ce que la source ( 11, 12 ) de courant alternatif est formée d'une source ( 11 ) de courant continu couplée à un multivibrateur ( 12 ) astable.
  4. Circuit pour la mise en oeuvre du procédé suivant l'une des revendications 1 à 3.
EP20040022257 2003-10-14 2004-09-18 Procédé et circuit pour créer un signal sûr de confirmation pour des applications ferroviaires Expired - Lifetime EP1524167B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20040022257 EP1524167B1 (fr) 2003-10-14 2004-09-18 Procédé et circuit pour créer un signal sûr de confirmation pour des applications ferroviaires

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03023063 2003-10-14
EP03023063 2003-10-14
EP20040022257 EP1524167B1 (fr) 2003-10-14 2004-09-18 Procédé et circuit pour créer un signal sûr de confirmation pour des applications ferroviaires

Publications (3)

Publication Number Publication Date
EP1524167A2 EP1524167A2 (fr) 2005-04-20
EP1524167A3 EP1524167A3 (fr) 2009-04-15
EP1524167B1 true EP1524167B1 (fr) 2010-11-03

Family

ID=34379367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040022257 Expired - Lifetime EP1524167B1 (fr) 2003-10-14 2004-09-18 Procédé et circuit pour créer un signal sûr de confirmation pour des applications ferroviaires

Country Status (1)

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EP (1) EP1524167B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602007000438D1 (de) * 2007-02-05 2009-02-12 Alstom Ferroviaria Spa Ausgabegerät und System zur Verbindung einer Steuerungslogik-Einheit mit einer oder mehreren streckenseitigen Einheiten
EP3643579B1 (fr) * 2018-10-23 2025-08-27 Hitachi Rail GTS Schweiz AG Dispositif et procédé de surveillance d'un aiguillage

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1907057C3 (de) * 1969-02-12 1981-09-24 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zum Überwachen einer durch einen Blinkgeber getasteten, wechselstromgespeisten Signallampenstromkreises für Eisenbahnsicherungsanlagen
DE3140559A1 (de) * 1981-10-13 1983-04-28 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zum signaltechnisch sicheren betrieb von signallampen
DE3338490A1 (de) * 1983-10-22 1985-05-02 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zur ueberwachung des betriebszustandes von in der aussenanlage eines stellwerks eingesetzten wechselstromverbrauchern
DE3527828A1 (de) * 1985-08-02 1987-03-26 Standard Elektrik Lorenz Ag Einrichtung zur ueberwachung des betriebs einer signallampe
US4779071A (en) * 1985-12-20 1988-10-18 Pianelli and Traveisa S.A.S. System for transmitting commands
DE3715478A1 (de) * 1987-05-06 1988-11-17 Licentia Gmbh Schaltungsanordnung zur ueberwachung einer weiche
DE3920430A1 (de) * 1989-06-22 1991-01-03 Standard Elektrik Lorenz Ag Schaltungsanordnung zur ueberwachung von wechselstromverbrauchern in eisenbahnsignalanlagen
DE4132389A1 (de) * 1991-09-26 1993-04-01 Siemens Ag Schaltung zum steuern und ueberwachen von lichtsignalen
IT1276423B1 (it) * 1995-06-20 1997-10-31 Ansaldo Trasporti Spa Sistema di controllo per dispositivi di segnalazione luminosa di tipo ferroviario
EP0960797B1 (fr) * 1998-05-25 2006-03-15 Siemens Schweiz AG (Siemens Suisse SA) (Siemens Svizzera SA) Siemens Switzerland Ltd) Système de transmission en particulier pour systèmes de commande de trafic

Also Published As

Publication number Publication date
EP1524167A3 (fr) 2009-04-15
EP1524167A2 (fr) 2005-04-20

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