EP1524167A2 - 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
EP1524167A2
EP1524167A2 EP04022257A EP04022257A EP1524167A2 EP 1524167 A2 EP1524167 A2 EP 1524167A2 EP 04022257 A EP04022257 A EP 04022257A EP 04022257 A EP04022257 A EP 04022257A EP 1524167 A2 EP1524167 A2 EP 1524167A2
Authority
EP
European Patent Office
Prior art keywords
technical unit
railway technical
railway
feedback
command
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
EP04022257A
Other languages
German (de)
English (en)
Other versions
EP1524167A3 (fr
EP1524167B1 (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 secure feedback according to the preamble of the claim 1 or 10.
  • the feedback includes monitoring contacts and Conditions such as «Barrier closed» or «Soft locked». Due to such feedback, e.g. one Signal to be set free.
  • FIG. 1 shows a circuit arrangement according to the prior art.
  • 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 the output of the first unit, a voltage U 1 and the input of the second railway technical unit 20, a voltage U 2 is applied.
  • 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 (indicated symbolically by the arrow 4 in FIG. 1), it is now possible to induce such a high voltage via the lines 3 with which a feedback 2 is generated via a command 1 that is supposedly executed can be.
  • the present invention is therefore based on the object a method and a circuit arrangement for generating a railway technically secure response, the largely immune to those occurring in the track area Interference fields are.
  • the invention is also particularly advantageous because on the side of the first railway technical unit for Detection of the alternating current (and thus to generate a Feedback) established in railway engineering current relay, in particular Safety current relay, can be used.
  • the current is the relevant one Size and as a criterion for the presence or for the absence of information becomes.
  • 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 shows a circuit arrangement according to the invention for generating a feedback that is safe from railway technology in a basic representation.
  • 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.
  • the voltage U 1 shown in FIG. 2 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 with guided contacts close another electrical circuit is generated by the feedback 2, so-called loop control.
  • the impedance of the current transformer is on the order of about 0.1 ohms.
  • a current transformer or a Hall element can be used.
  • 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 a further embodiment instead of a Current transformer 22 with separate secondary circuits 23.1 and 23.2 a Hall element 32 also with separate secondary circuits 33.1 and 33.2 are shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
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 true EP1524167A2 (fr) 2005-04-20
EP1524167A3 EP1524167A3 (fr) 2009-04-15
EP1524167B1 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)

Country Link
EP (1) EP1524167B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1953063A1 (fr) * 2007-02-05 2008-08-06 Alstom Ferroviaria S.P.A. Dispositif de terrain de sortie vitale et système pour une interface directe entre une unité logique de commande et au moins une ou plusieurs unités en bordure de voie
EP3643579A1 (fr) * 2018-10-23 2020-04-29 Thales Rail Signalling Solutions 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1953063A1 (fr) * 2007-02-05 2008-08-06 Alstom Ferroviaria S.P.A. Dispositif de terrain de sortie vitale et système pour une interface directe entre une unité logique de commande et au moins une ou plusieurs unités en bordure de voie
EP3643579A1 (fr) * 2018-10-23 2020-04-29 Thales Rail Signalling Solutions AG Dispositif et procédé de surveillance d'un aiguillage

Also Published As

Publication number Publication date
EP1524167A3 (fr) 2009-04-15
EP1524167B1 (fr) 2010-11-03

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