EP1783274A2 - Abschirmblech für Zugbeeinflussungskomponenten im Gleisbereich - Google Patents

Abschirmblech für Zugbeeinflussungskomponenten im Gleisbereich Download PDF

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Publication number
EP1783274A2
EP1783274A2 EP06016970A EP06016970A EP1783274A2 EP 1783274 A2 EP1783274 A2 EP 1783274A2 EP 06016970 A EP06016970 A EP 06016970A EP 06016970 A EP06016970 A EP 06016970A EP 1783274 A2 EP1783274 A2 EP 1783274A2
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EP
European Patent Office
Prior art keywords
train
ground
subsurface
railways
shielding layer
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
EP06016970A
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English (en)
French (fr)
Other versions
EP1783274A3 (de
EP1783274B1 (de
Inventor
Thomas Rapp
Bernhard Stamm
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
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Siemens Schweiz AG
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Publication date
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Priority to EP06016970A priority Critical patent/EP1783274B1/de
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Publication of EP1783274A3 publication Critical patent/EP1783274A3/de
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Publication of EP1783274B1 publication Critical patent/EP1783274B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
    • B61L3/126—Constructional details
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B26/00—Tracks or track components not covered by any one of the preceding groups
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
    • E01B3/32—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
    • B61L2027/202—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation using European Train Control System [ETCS]

Definitions

  • inductive data transmission systems In the railway sector, inductive data transmission systems (SRD, short range devices) are used for the transmission of data between the line and the vehicle. These inductive transmission systems are sufficiently robust against vehicle traction currents and magnetic fields. The robustness to electric fields in the range of 0 to 80 MHz has not yet been specified or verified for such applications. Normally, i. in the case of a homogeneous underground, the effect of the electrical interference fields present in the transmission channel is not decisive. For example, a substrate consisting of ballast and wooden sleepers can be considered a homogeneous substrate.
  • This inhomogeneous zone acts as a multiple reflection emitter (different dipoles at a small distance) and influences the transmission behavior of the transmitter and / or the receiver.
  • This invention describes a solution for immunity enhancement by means of shielding, especially in the ETCS balise transmission between the vehicle and the ground.
  • the behavior of the disturbed transmission channel is known, but the cause in the EU projects has not been systematically clarified.
  • the requirements for the E-field immunity of these components is not specified in the frequency range up to 80 MHz.
  • FIG 1 shows the typical installation of ETCS balises on concrete sleepers.
  • the inhomogeneous ground (under the balise), caused for example by the reinforcing bars, (see Figure 3) acts as a dipole radiator for the overcoming antennas (transmit ANTU at 27 MHz).
  • antennas transmit ANTU at 27 MHz.
  • the e-field couplings can vary up to 30 dB locally due to the reinforcing bars.
  • the mounting of a metallically conductive plate (see Figure 4) covering the irradiation zone now eliminates the dipole reflection of the reinforcing bars in the concrete sleeper. This effect can also be understood as electrical "homogenization" of the substrate. In cases where two vehicle antennas are installed nearby, the effect of the sheet becomes more dominant. The sheet guarantees a minimum response angle at different levels of telepowering signals (27 MHz).
  • shielding plates enables a cost-effective solution for improving the transfer behavior of ETCS components in the case of non-homogeneous (electrically conductive parameters) subsurface.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Erfindungsgemäss ist ein System zur Zugbeeinflussung von schienengebundenen Fahrzeugen mit auf einem Untergrund montierten Schienen und auf dem Untergrund befestigten Zugbeeinflussungskomponente vorgesehen, bei dem zwischen dem Untergrund und der Zugbeeinflussungskomponente ein Abschirmelement angeordnet ist, das die zugbeeinflussungskomponente zumindest teilweise gegen den Untergrund abschirmt.

Description

  • Im Bahnbereich werden für die Übertragung von Daten zwischen der Strecke und dem Fahrzeug induktive Datenübertragungssysteme verwendet (SRD, short range devices). Diese induktiven Übertragungssysteme sind genügend robust gegenüber Fahrzeug - Traktionsströme und Magnetfelder. Die Robustheit gegenüber elektrischen Felder im Bereich von 0 bis 80 MHz ist bis heute für solche Anwendungen weder spezifiziert noch verifiziert worden. Im Normalfall, d.h. bei einem homogenen Untergrund ist die Einwirkung der vorhanden elektrischen Störfelder im Übertragungskanal nicht entscheidend. Als homogener Untergrund kann beispielsweise ein aus Schotter und Holzschwelle bestehender Untergrund angesehen werden.
  • Bei der Verwendung von Betonschwellen mit metallischer Armierung wird nun eine eine im elektromagnetischen Sinne inhomogene Zone in das Übertragungssystem eingefügt. Diese inhomogene Zone wirkt als Mehrfach- Reflexionsstrahler (verschiedene Dipole in kleinem Abstand) und beeinflusst das Übertragungsverhalten des Senders und/oder des Empfängers.
  • Diese Erfindung beschreibt eine Lösung zur Störfestigkeitserhöhung mittels Abschirmblechen, insbesondere bei der ETCS Balisen- Übertragung zwischen Fahrzeug und Untergrund.
  • Das Verhalten des gestörten Übertragungskanals ist bekannt, die Ursache in den EU- Projekten aber nicht systematisch abgeklärt. Die Anforderungen für die E-Feld Störfestigkeit dieser Komponenten ist im Frequenzbereich bis 80 MHz nicht spezifiziert.
  • Die Erfindung löst das angegebene technische Problem wie folgt:
  • Die Abbildung 1 zeigt die typische Montage der ETCS Balisen auf Betonschwellen. Der inhomogene Untergrund (unter der Balise), z.B. hervorgerufen durch die Armierungsstäbe, (siehe Abbildung 3) wirkt als Dipolstrahler für die überfahrenden Antennen (ANTU senden mit 27 MHz). Je nachdem wo nun die Antenne(n) steht, werden gleichphasige und gegenphasige E-Felder im Untergrund erzeugt. Die e- Feld Kopplungen können bis zu 30 dB aufgrund der Armierungsstäbe örtlich variieren. Die Montage eines metallisch leitenden Bleches (siehe Abbildung 4) welches die Einstrahlzone abdeckt, eliminiert nun die Dipol - Reflexion der Armierungseisen in der Betonschwelle. Diese Wirkung kann auch als elektrische "Homogenisierung" des Untergrundes verstanden werden.
    In den Fällen, wo zwei Fahrzeugantennen in der Nähe eingebaut sind, wird die Wirkung des Bleches noch dominanter. Das Blech garantiert einen minimalen Ansprechwinkel bei verschiedenen Pegel von Telepoweringsignalen (27 MHz).
  • Die Montage von Abschirmblechen ermöglicht eine kostengünstige Lösung für die Verbesserung des Übertragungsverhalten von ETCS Komponenten bei nicht homogenem (elektrisch leitender Parameter) Untergrund.

Claims (2)

  1. System zur Zugbeeinflussung von schienengebundenen Fahrzeugen mit auf einem Untergrund montierten Schienen und mit einer auf dem Untergrund angeordneten Zugbeeinflussungskomponente und/oder einer auf dem Fahrzeug angeordneten Zugbeeinflussungskomponente,
    dadurch gekennzeichnet, dass
    zwischen dem Untergrund und der Zugbeeinflussungskomponente ein Abschirmelement angeordnet ist, das die Zugbeeinflussungskomponente zumindest teilweise gegen den Untergrund abschirmt.
  2. System nach Anspruch 2,
    dadurch gekennzeichnet, dass
    der Untergrund periodisch angeordnete armierte Betonschwellen aufweist und ein Abschirmblech zwischen der Betonschwelle und der Zugbeeinflussungskomponente angeordnet ist.
EP06016970A 2005-08-30 2006-08-15 Abschirmblech für Zugbeeinflussungskomponenten im Gleisbereich Not-in-force EP1783274B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06016970A EP1783274B1 (de) 2005-08-30 2006-08-15 Abschirmblech für Zugbeeinflussungskomponenten im Gleisbereich

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05018758 2005-08-30
EP06016970A EP1783274B1 (de) 2005-08-30 2006-08-15 Abschirmblech für Zugbeeinflussungskomponenten im Gleisbereich

Publications (3)

Publication Number Publication Date
EP1783274A2 true EP1783274A2 (de) 2007-05-09
EP1783274A3 EP1783274A3 (de) 2007-05-23
EP1783274B1 EP1783274B1 (de) 2011-01-05

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Application Number Title Priority Date Filing Date
EP06016970A Not-in-force EP1783274B1 (de) 2005-08-30 2006-08-15 Abschirmblech für Zugbeeinflussungskomponenten im Gleisbereich

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EP (1) EP1783274B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3072694A1 (fr) * 2017-10-24 2019-04-26 Thierry Marquet Dispositif support pour traverse ferroviaire

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE735907C (de) 1941-12-02 1943-06-01 Ver Eisenbahn Signalwerke G M Abschirmeinrichtung fuer Gleismagnete der induktiven Zugbeeinflussung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1063199B (de) * 1956-11-19 1959-08-13 Siemens Ag Anordnung bei induktiv beeinflussten Gleisgeraeten fuer das Eisenbahn-sicherungswesen
DE2915463C3 (de) * 1979-04-17 1981-10-22 Siemens AG, 1000 Berlin und 8000 München Anordnung bei induktiv beeinflußbaren Gleisgeräten
DE3107604C2 (de) * 1981-02-27 1982-12-16 Siemens AG, 1000 Berlin und 8000 München Anordnung bei induktiv beeinflußbaren Schienenkontakten
DE3820268A1 (de) * 1988-06-14 1989-12-21 Kunz Alfred & Co Verfahren zur herstellung eines oberbaus fuer schienenbahnen
DE102004001818B3 (de) * 2004-01-07 2005-08-25 Siemens Ag Betriebsführungssystem für schienengebundene Verkehrsmittel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE735907C (de) 1941-12-02 1943-06-01 Ver Eisenbahn Signalwerke G M Abschirmeinrichtung fuer Gleismagnete der induktiven Zugbeeinflussung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3072694A1 (fr) * 2017-10-24 2019-04-26 Thierry Marquet Dispositif support pour traverse ferroviaire

Also Published As

Publication number Publication date
EP1783274A3 (de) 2007-05-23
EP1783274B1 (de) 2011-01-05

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