EP1759953B1 - Transponder connection to a relay interlocking for the selection of an ETCS telegram - Google Patents

Transponder connection to a relay interlocking for the selection of an ETCS telegram Download PDF

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Publication number
EP1759953B1
EP1759953B1 EP05018867A EP05018867A EP1759953B1 EP 1759953 B1 EP1759953 B1 EP 1759953B1 EP 05018867 A EP05018867 A EP 05018867A EP 05018867 A EP05018867 A EP 05018867A EP 1759953 B1 EP1759953 B1 EP 1759953B1
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EP
European Patent Office
Prior art keywords
signal
telegram
balise
connection
tel1
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Not-in-force
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EP05018867A
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German (de)
French (fr)
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EP1759953A1 (en
Inventor
Rolf Schmid
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Siemens Schweiz AG
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Siemens Schweiz AG
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Priority to DE502005001910T priority Critical patent/DE502005001910D1/en
Priority to AT05018867T priority patent/ATE377541T1/en
Priority to EP05018867A priority patent/EP1759953B1/en
Publication of EP1759953A1 publication Critical patent/EP1759953A1/en
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    • 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
    • B61L3/121—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 using magnetic induction
    • 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

  • the present invention relates to a Balisen connection for the selection of an ETCS telegram to a relay interlocking station according to the preamble of claim 1, such. from the article "ETCS Migration in Switzerland with Balise Reader” by T. Müller and H. Althaus, SIGNAL + DRAHT (94), Issue 1 + 2/2002.
  • FIG. 1 shows the basic arrangement of balancing groups L0, L1, L2 of the system ETCS / Eurobalise arranged at route points in front of a main signal 3.
  • the reference R indicates the direction of travel of a train.
  • a balancing group at the waypoints L0, L1 or L2 contains at least two balises.
  • a balise group can contain up to eight consecutively arranged balises.
  • Balises can be executed as always fixed telegrams transmitting fixed data balises F or as controllable transparent balises T.
  • Transparent balances T transmit the content, that is a signal concept, of a telegram originating from an adapter LEU to a vehicle.
  • the at least paired arrangement of balises in balise groups is required in order to recognize the direction of travel R of the crossing train when crossing by means of a fixed identifier in a telegram.
  • the group L0 according to FIG. 1 comprises a transparent balloon T and a fixed data beacon F.
  • a further group with two balises is arranged at two further route points L1 and L2.
  • the group L1 of two Festroybalisen F and the group L3 of a Fest schemesbalise F and a Transparentbaalise T formed.
  • the present invention is therefore based on the object of specifying a circuit for the selection of an ETCS telegram to a relay interlocking, with which the required error rates can be detected.
  • FIG. 5 shows, as a "known" component, a relay connection 7 or a relay logic 7 for the signal concept conversion.
  • the relay logic 7 is connected to a multiplexer 13 via an address bus adrs.
  • the relay logic 7 applies due to a predetermined signal term to the address bus adrs an address adrs, with the multiplexer adrs the addresses adrs assigned preprogrammed telegrams Tel1 ', Tel2', .. selected.
  • the telegrams Tel1, Tel2 ', etc, are each superimposed with a signal U1, U2, etc. of second signal sources Q1, Q2, etc. for the relevant telegram Tel1, Tel2 or for the relevant driving concept.
  • the additional signal source Q1, Q2 advantageously has other signal characteristics than the telegram itself. Particularly advantageous is a signal term specific DC offset, which is a DC voltage.
  • the additional signal is transmitted through the entire chain to the output of the transmission stage 15 and decoded there in an additional logic.
  • a T-element 20 provides the decoupling of the superimposed control signal from the telegram Tel1, Tel2 to be sent out.
  • this is symbolically symbolized by a capacitor C1.
  • the control signal comprises the superimposed signal U1, U2, etc. of the additional signal sources Q1, Q2 and the useful signal, which are the telegrams Tel1, Tel2, etc.
  • the superimposed signal can be implemented as a dynamic signal, e.g. originating from a sinus source.
  • the capacitor C1 in this case symbolizes a bandpass or a band-stop filter.
  • the RC network formed by the resistor R3 and the capacitor C2 acts as a time window for checking the operation of the comparator 14.
  • FIG. 5 shows the overlay for three telegrams Tel1, Te13 and Te12.
  • the voltage to be added from the signal sources Q1, Q3 and Q2 is shown in the lower part.
  • the amplitudes are provided with a DC offset.
  • the total excursion (peak-to-peak value) may well remain the same with the offset but also different, i. E. be designed asymmetrically.
  • the feedback to the relay interface circuit 14 is made by comparing the output of the signal at the output of Transmission stage 15 with the reference signal sources Qv1, Qv2 in an analog comparator 17 provided per reference signal.
  • the result of the comparison of all the analog comparators is encoded in a unit 16 and applied to the address bus adrc.
  • the adrc address set on the address bus corresponds to the preselected telegram address adrs when the telegram is correctly selected.
  • the address adrs can be negated on both sides.
  • the comparator 14 checks the correspondence of the addresses adrs and adrc. This match is finally reported to the logic or relay connection 7.
  • the logic 7 or relay connection 7 can be configured as a memory-programmed circuit SPS.
  • an AC voltage can also be used as the signal to be superimposed instead of a DC offset.
  • all signals which contain lower frequency components than the telegram signal itself are suitable for superposition.
  • Sinusoidal signals are preferred.
  • f AC 0, the DC overlay disclosed in detail above in the exemplary embodiment of the invention is included.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Selective Calling Equipment (AREA)
  • Communication Control (AREA)

Abstract

Transponder connection has the transmitting stage connected with an analog comparator (17) where the superimposed telegram produced by the amplifier pertaining to the superimposed signal is compared with the signals originating from telegram specific second signal sources. The analog comparator is connected with relay logic (7) and the result of comparison is fed back to the relay logic. Transponder connection has every signal derived from the telegram-specific signal source superimposed on the ETCS telegrams which can be selected. A multiplexer (13) is connected with the relay logic by an address bus (adrs). The relay logic applies an address to the address bus by giving a signal reference, with which the multiplexer selects ETCS telegram superimposed by the signal. The multiplexer is connected with transmitting stage (15) for transmission of ETCS telegram superimposed by signal.

Description

Die vorliegende Erfindung betrifft eine Balisen-Anschaltung für die Auswahl eines ETCS-Telegramms an ein Relaisstellwerk gemäss dem oberbegriff des Patentanspruchs 1, wie z.B. aus dem Beitrag "ETCS-Migration in der Schweiz mit Balisenlesegerät" von T. Müller und H. Althaus, SIGNAL + DRAHT (94), Ausgabe 1+2/2002 bekannt ist.The present invention relates to a Balisen connection for the selection of an ETCS telegram to a relay interlocking station according to the preamble of claim 1, such. from the article "ETCS Migration in Switzerland with Balise Reader" by T. Müller and H. Althaus, SIGNAL + DRAHT (94), Issue 1 + 2/2002.

Das Systems ERTMS - weiterführende Information siehe [1] - kann nur schrittweise eingeführt werden. So sind auch ältere Relaisstellwerke an eine Balise und ein zugehöriges Lichtsignal anzuschalten. Einen Überblick über die vorhandenen Zugbeeinflussungssysteme wie auch die Ablösestrategie durch ETCS gibt die Schrift ETR Heft 11/2000 unter dem Titel "Zugbeeinflussungssysteme europäischer Bahnen" p. 725 bis 733 von Prof. Dr. Jörn Pachl . Die technische Spezifikation des ETCS ist in den entsprechenden Dokumenten der UNISIG enthalten.The system ERTMS - for further information see [1] - can only be introduced step by step. So older relay interlocks are to be connected to a balise and a corresponding light signal. An overview of the existing train control systems as well as the replacement strategy by ETCS is available in the font ETR Heft 11/2000 under the title "Train Control Systems of European Railways" p. 725-733 by Prof. dr. Jörn Pachl , The technical specification of the ETCS is contained in the relevant UNISIG documents.

In Figur 1 ist die prinzipielle Anordnung von an Streckenpunkten angeordneten Balisengruppen L0, L1, L2 des System ETCS/Eurobalise vor einem Hauptsignal 3 dargestellt. Mit dem Bezugszeichen R ist die Fahrrichtung eines Zuges angegeben. Eine Balisengruppe an den Streckenpunkten L0, L1 oder L2 beinhaltet wenigstens zwei Balisen. Eine Balisengruppe kann bis zu acht hintereinander angeordnete Balisen umfassen. Balisen können als stets gleiche Telegramme aussendende Festdatenbalisen F oder als steuerbare Transparentbalisen T ausgeführt sein. Transparentbalisen T übertragen den Inhalt, das ist ein Signalbegriff, eines von einem Adapter LEU entstammenden Telegramms an ein Fahrzeug. Die wenigstens paarige Anordnung von Balisen in Balisengruppen ist erforderlich, um bei Überfahrt mittels einer festen Kennung in einem Telegramm die Fahrrichtung R des überfahrenden Zuges zu erkennen. Die Gruppe L0 gemäss der Fig. 1 umfasst eine Transparentbalise T und eine Festdatenbalise F. In einem weiteren Abstand (nicht massstäblich gezeichnet) vom Hauptsignal 3 ist an zwei weiteren Streckenpunkten L1 und L2 je eine weitere Gruppe mit je zwei Balisen angeordnet. Dabei wird die Gruppe L1 von zwei Festdatenbalisen F und die Gruppe L3 von einer Festdatenbalise F und einer Transparentbaalise T gebildet.FIG. 1 shows the basic arrangement of balancing groups L0, L1, L2 of the system ETCS / Eurobalise arranged at route points in front of a main signal 3. The reference R indicates the direction of travel of a train. A balancing group at the waypoints L0, L1 or L2 contains at least two balises. A balise group can contain up to eight consecutively arranged balises. Balises can be executed as always fixed telegrams transmitting fixed data balises F or as controllable transparent balises T. Transparent balances T transmit the content, that is a signal concept, of a telegram originating from an adapter LEU to a vehicle. The at least paired arrangement of balises in balise groups is required in order to recognize the direction of travel R of the crossing train when crossing by means of a fixed identifier in a telegram. The group L0 according to FIG. 1 comprises a transparent balloon T and a fixed data beacon F. At a further distance (not drawn to scale) from the main signal 3, a further group with two balises is arranged at two further route points L1 and L2. The group L1 of two Festdatenbalisen F and the group L3 of a Festdatenbalise F and a Transparentbaalise T formed.

Relaisstellwerke 4 werden gemäss der bisherigen Praxis auf die in Figur 2 dargestellte Weise an eine Transparentbalise T angeschaltet. Dazu ist für den Adapter LEU 2 eine zusätzliche Energieversorgung aus einem abgesetzten Relaisraum über eine Leitung 6 erforderlich. Die Anschaltung einer Transparent-balise T an den Adapter LEU (Bezugszeichen 2 in Fig. 3) erfordert auf Seite der Transparentbalise T wie in Fig. 4 gezeigt:

  • Telegrammspeicher 9,
  • Telegrammauswahl 11
  • Kontaktabfrage der Relais-Anschaltung 7.
Im folgenden ist meist nur von Balise T anstelle von Transparentbalise T die Rede. Das Prinzip gemäss der Figur 3 beinhaltet: Der Signalbegriff (welche Lampe leuchtet und welche nicht) wird mit einem elektrischen Kontakt oder einem Stromschalter der Balise T über eine Leitung 12 zugeführt. Die Logik der Balise T wandelt bzw. selektiert das richtige Telegramm tel1, tel2, .., welches in einem nichtflüchtigen Telegrammspeicher 9 programmiert wurde. Dieses Telegram tel1, tel2, .., wird in der Signalleistung verstärkt und gelangt auf einen Sendeloop 18, dies wird auch Uplink genannt.Relay interlocks 4 are turned on according to the previous practice in the manner shown in Figure 2 to a Transparentbalise T. For this purpose, an additional power supply from a remote relay room via a line 6 is required for the LEU 2 adapter. The connection of a transparent balise T to the adapter LEU (reference numeral 2 in Fig. 3) requires on the side of the Transparentbalise T as shown in Fig. 4:
  • Message memory 9,
  • Telegram selection 11
  • Contact query of the relay interface 7.
The following is usually only from Balise T instead of Transparent Balise T the speech. The principle according to FIG. 3 includes: The signal term (which lamp illuminates and which does not) is supplied to the balise T via an electrical contact or a current switch via a line 12. The logic of the balise T converts or selects the correct telegram tel1, tel2, .., which was programmed in a non-volatile telegram memory 9. This telegram tel1, tel2, .., is amplified in the signal power and reaches a transmission loop 18, this is also called uplink.

Die vorstehend erläuterte Anschaltung gemäss den Figuren 2 bis 4 hat den Nachteil, dass nicht bekannt ist, wie die Telegrammauswahl signaltechnisch sicher und einfach durchgeführt werden kann. Die Anforderung für die richtige Auswahl eines ETCS-Telegramms Tel1, .. tel2, .. ist in der Bahnsicherungstechnik mit einer Fehlerrate im Bereich von 10-6/h bis 10-9/h vorgegeben, SIL 1 - 4, EN 50129.The above-described connection according to FIGS. 2 to 4 has the disadvantage that it is not known how the telegram selection can be carried out safely and simply by signal technology. The requirement for the proper selection of an ETCS telegram Tel1, .. tel2, .. is set to 10- 9 / h in the track fuse technology with an error rate in the range of 10- 6 / h, SIL 1-4, EN 50,129th

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine Schaltung für die Auswahl eines ETCS-Telegramms an ein Relaisstellwerk anzugeben, mit der die geforderten Fehlerraten nachgewiesen werden können.The present invention is therefore based on the object of specifying a circuit for the selection of an ETCS telegram to a relay interlocking, with which the required error rates can be detected.

Diese Aufgabe wird erfindungsgemäss gelöst durch die im Anspruch 1 angegebenen Anschaltung.This object is achieved according to the invention by the connection specified in claim 1.

Vorteilhafte Ausführungsformen der vorliegenden Erfindung sind in den abhängigen Ansprüchen angegeben.Advantageous embodiments of the present invention are indicated in the dependent claims.

Durch die erfindungsgemässe Eisenbahnsignal-Anschaltung, wonach

  1. a) den zu selektierenden ETCS-Telegrammen je ein von einer telegrammspezifischen Signalquelle entstammendes Signal überlagert ist;
  2. b) ein Multiplexer über einen Adressbus mit der Relais-Logik verbunden ist, wobei die Relais-Logik aufgrund eines vorgegebenen Signalbegriffes an den Adressbus eine Adresse anlegt, mit der der Multiplexer ein das mit einem Signal überlagerte ETCS-Telegramm selektiert;
  3. c) der Multiplexer mit einer Sendestufe zur Übertragung der mit einem Signal überlagerten ETCS-Telegramme verbunden ist;
  4. d) die Sendestufe (15) mit einem Analogkomparator verbunden ist, in dem das vom Verstärker erzeugte überlagerte Telegramm bezüglich des überlagerten Signals mit von telegrammspezifischen zweiten Signalquellen entstammenden Signalen verglichen wird und
  5. e) der Analogkomparator mit der Relais-Logik verbunden ist, damit das Ergebnis des Vergleichs an die Relais-Logik rückführbar ist;
    ist eine Balisen-Anschaltung geschaffen, die eine kontinuierliche Überprüfung der Telegrammselektion über eine geschlossene Kette erlaubt und mit einem «einkanaligen» Aufbau eine sofortiger Fehleroffenbarung und damit die notwendigen Sicherheitsanforderungen gewährleistet.
    Vorteilhafte Ausführungsformen der vorliegenden Erfindung sind in den abhängigen Ansprüchen aufgeführt.
    Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Dabei zeigen:
    Figur 1
    Anordnung von an Streckenpunkten angeordneten Balisengruppen vor einem Hauptsignal;
    Figur 2
    Anschaltung einer Transparentbalise an ein Relaisstellwerke gemäss der bisherigen Praxis;
    Figur 3
    Detailliertere Darstellung der Anschaltung gemäss Figur 2, wobei die LEU weggelassen ist;
    Figur 4
    Detailliertes Blockschaltbild einer Transparentbalise;
    Figur 5
    Ausführungsbeispiel der vorliegenden Erfindung mit einer Transparentbalise durch Telegrammselektion von mit einem überlagerten Signal versehenen Telegrammen;
    Figur 6
    Pegeldarstellung der mit überlagerten Signalen versehenen Telegramme.
Die aus dem Stand der Technik bekannte Anschaltung gemäss den Figuren 2 bis 4 wird hier nicht noch einmal wiedergegeben, sondern es wird eine Ausführungsform der vorliegenden Erfindung anhand der Figur 5 erläutert. Dabei sind die vorstehend angegebenen Erläuterungen zum Stand der Technik hier subsummiert. Vorgängig noch eine Bemerkung zum Begriff «Signal». Dieser Begriff ist in dieser Schrift doppelt belegt:
  1. i) «Signal» als Fahrbegriff bzw. als Mittel zur Anzeige eines Fahrbegriffs;
  2. ii) Elektrisches «Signal» einer Signalquelle.
Aus dem jeweiligen Kontext ist jedoch unschwer abzuleiten, in welcher Belegung der Begriff «Signal» benutzt wird.By the inventive railway signal connection, which
  1. a) the ETCS telegrams to be selected are each superimposed on a signal originating from a telegram-specific signal source;
  2. b) a multiplexer is connected to the relay logic via an address bus, the relay logic applying an address to the address bus based on a predetermined signal term, with which the multiplexer selects a signal superimposed with a signal ETCS telegram;
  3. c) the multiplexer is connected to a transmission stage for transmitting the ETCS telegrams superimposed with a signal;
  4. d) the transmission stage (15) is connected to an analog comparator, in which the superimposed telegram generated by the amplifier is compared with respect to the superimposed signal with signals originating from telegram-specific second signal sources, and
  5. e) the analog comparator is connected to the relay logic so that the result of the comparison to the relay logic is traceable;
    a beacon connection has been created, which allows a continuous check of the telegram selection via a closed chain and guarantees with a «single-channel» structure an immediate error disclosure and thus the necessary safety requirements.
    Advantageous embodiments of the present invention are set forth in the dependent claims.
    An embodiment of the invention will be explained in more detail with reference to the drawing. Showing:
    FIG. 1
    Arranging balancing groups arranged at waypoints in front of a main signal;
    FIG. 2
    Connecting a Transparent Balise to a relay interlocking according to previous practice;
    FIG. 3
    More detailed representation of the interface according to Figure 2, wherein the LEU is omitted;
    FIG. 4
    Detailed block diagram of a transparent balloon;
    FIG. 5
    Embodiment of the present invention with a Transparentbalise by telegram selection of provided with a superimposed signal telegrams;
    FIG. 6
    Level display of the telegrams provided with superimposed signals.
The connection device according to FIGS. 2 to 4 known from the prior art will not be reproduced again here, but an embodiment of the present invention will be explained with reference to FIG. The explanations given above regarding the prior art are subsumed here. One last comment on the term "signal". This term is duplicated in this document:
  1. i) "signal" as a driving concept or as a means of displaying a driving concept;
  2. ii) Electrical «signal» of a signal source.
From the respective context, however, it is not difficult to deduce in which assignment the term "signal" is used.

Die Figur 5 zeigt als «bekannte» Komponente eine Relaisanschaltung 7 bzw. eine Relais-Logik 7 für die Signalbegriffsumsetzung. Die Relais-Logik 7 ist über einen Adressbus adrs mit einem Mulitplexer 13 verbunden. Die Relais-Logik 7 legt aufgrund eines vorgegebenen Signalbegriffes an den Adressbus adrs eine Adresse adrs, mit der Mulitplexer den Adressen adrs zugeordnete vorprogrammierte Telegramme Tel1', Tel2', .. selektiert. Die Telegramme Tel1, Tel2', usw, sind mit je einem Signal U1, U2, usw. von zweiten Signalquellen Q1, Q2, usw. für das betreffende Telegramm Tel1, Tel2 bzw. für den betreffenden Fahrbegriff überlagert. Die zusätzliche Signalquelle Q1, Q2, besitzt vorteilhaft andere Signalmerkmale als das Telegramm selber. Besonders vorteilhaft ist ein signalbegriffsspezifischer DC-Offset, das ist eine Gleichspannung. Das zusätzliche Signal wird durch die ganze Kette bis zum Ausgang der Sendestufe 15 mitübertragen und dort in einer zusätzlichen Logik decodiert.FIG. 5 shows, as a "known" component, a relay connection 7 or a relay logic 7 for the signal concept conversion. The relay logic 7 is connected to a multiplexer 13 via an address bus adrs. The relay logic 7 applies due to a predetermined signal term to the address bus adrs an address adrs, with the multiplexer adrs the addresses adrs assigned preprogrammed telegrams Tel1 ', Tel2', .. selected. The telegrams Tel1, Tel2 ', etc, are each superimposed with a signal U1, U2, etc. of second signal sources Q1, Q2, etc. for the relevant telegram Tel1, Tel2 or for the relevant driving concept. The additional signal source Q1, Q2, advantageously has other signal characteristics than the telegram itself. Particularly advantageous is a signal term specific DC offset, which is a DC voltage. The additional signal is transmitted through the entire chain to the output of the transmission stage 15 and decoded there in an additional logic.

Ein T-Glied 20 leistet die Entkopplung des überlagerten Kontrollsignals vom auszusenden Telegramm Tel1, Tel2. In der Figur 5 ist dies mit einem Kondensator C1 schaltungsmässig symbolisiert. Diese Trennung kann als aktive oder als passive Entkopplung ausgestaltet sein. Das Kontrollsignal umfasst das überlagerte Signals U1, U2, usw. der zusätzliche Signalquellen Q1, Q2 und das Nutzsignal, das sind die Telegramme Tel1, Tel2, usw. Das überlagerte Signal kann als dynamisches Signal ausgeführt sein, z.B. aus einer Sinusquelle entstammend. Der Kondensator C1 symbolisiert in diesem Fall einen Bandpass bzw. eine Bandsperre. Das RC-Netzwerk gebildet aus dem widerstand R3 und dem Kondensator C2 wirkt als ein Zeitfenster zur Überprüfung der Funktion des Vergleichers 14.A T-element 20 provides the decoupling of the superimposed control signal from the telegram Tel1, Tel2 to be sent out. In FIG. 5 this is symbolically symbolized by a capacitor C1. This separation can be configured as active or as passive decoupling. The control signal comprises the superimposed signal U1, U2, etc. of the additional signal sources Q1, Q2 and the useful signal, which are the telegrams Tel1, Tel2, etc. The superimposed signal can be implemented as a dynamic signal, e.g. originating from a sinus source. The capacitor C1 in this case symbolizes a bandpass or a band-stop filter. The RC network formed by the resistor R3 and the capacitor C2 acts as a time window for checking the operation of the comparator 14.

In der Figur 5 ist für drei Telegramme Tel1, Te13 und Te12 die Überlagerung dargestellt. Die dazu zu addierende Spannung von den Signalquellen Q1, Q3 und Q2 ist im unteren Teil dargestellt. Die Amplituden sind mit einem DC Offset versehen. Die gesamte Auslenkung (Spitzen-Spitzen Wert) kann durchaus auch mit dem Offset gleich bleiben aber auch verschieden, d.h. asymmetrisch ausgestaltet sein.FIG. 5 shows the overlay for three telegrams Tel1, Te13 and Te12. The voltage to be added from the signal sources Q1, Q3 and Q2 is shown in the lower part. The amplitudes are provided with a DC offset. The total excursion (peak-to-peak value) may well remain the same with the offset but also different, i. E. be designed asymmetrically.

Die Rückmeldung an die Relais-Anschaltung 14 erfolgt durch einen Vergleich des Ausgangs des Signals am Ausgang der Sendestufe 15 mit den Referenzsignalquellen Qv1, Qv2 in einem pro Referenzsignal vorgesehenen Analogkomparator 17. Das Ergebnis des Vergleichs aller Analogkomparatoren wird in einer Einheit 16 codiert und auf den Adressbus adrc gelegt. Die auf den Adressbus gelegte Adresse adrc entspricht bei der richtigen Auswahl des Telegrames der vorgewählten Telegramm-Adresse adrs. Für die sichere und unverfälschte Übertragung zum Vergleicher 14 kann jedoch die Adresse adrs beidseitig negiert sein. Der vergleicher 14 überprüft die Übereinstimmung der Adressen adrs und adrc. Diese Übereinstimmung wird schliesslich an die Logik bzw. Relaisanschaltung 7 weitergemeldet.The feedback to the relay interface circuit 14 is made by comparing the output of the signal at the output of Transmission stage 15 with the reference signal sources Qv1, Qv2 in an analog comparator 17 provided per reference signal. The result of the comparison of all the analog comparators is encoded in a unit 16 and applied to the address bus adrc. The adrc address set on the address bus corresponds to the preselected telegram address adrs when the telegram is correctly selected. For the secure and unaltered transmission to the comparator 14, however, the address adrs can be negated on both sides. The comparator 14 checks the correspondence of the addresses adrs and adrc. This match is finally reported to the logic or relay connection 7.

Die Logik 7 bzw. Relaisanschaltung 7 kann als speicherprogrammierte Schaltung SPS ausgestaltet sein.The logic 7 or relay connection 7 can be configured as a memory-programmed circuit SPS.

wir bereits vorstehend teilweise ausgeführt, kann als zu überlagerndes Signal anstelle eines DC-Offsets auch eine AC-Spannung verwendet werden. Grundsätzlich eignen sich für eine Überlagerung alle Signale welche tiefere Frequenzanteile als das Telegramsignal selbst enthält. Das Verhältnis sollte etwa 1:20 = fAC : fTel sein. Bei einer Frequenz des Telegramms von fTel =564 kHz sind überlagerte Signale im Frequenzbereich 0 < fAC < 30 kHz gut möglich. Bevorzugt sind dabei sinusförmige Signale. Für fAC = 0 ist die vorstehend im Ausführungsbeispiel der Erfindung sehr eingehend offenbarte DC-Überlagerung eingeschlossen.as already partially explained above, an AC voltage can also be used as the signal to be superimposed instead of a DC offset. In principle, all signals which contain lower frequency components than the telegram signal itself are suitable for superposition. The ratio should be about 1:20 = f AC : f Tel . With a frequency of the telegram of f Tel = 564 kHz superimposed signals in the frequency range 0 <f AC <30 kHz are well possible. Sinusoidal signals are preferred. For f AC = 0, the DC overlay disclosed in detail above in the exemplary embodiment of the invention is included.

Liste der verwendeten BezugszeichenList of reference numbers used

11
Relais-Abschaltung, AnsteuereinheitRelay switch-off, control unit
22
LEU, AdapterLEU, adapter
33
Signal, HauptsignalSignal, main signal
44
Relaisstellwerkrelay interlocking
55
Leitung zur Zuführung der LampenspannungenCable for supplying the lamp voltages
66
Speisungsupply
77
Relaisanschaltung, Relais-Logik für SignalbegriffumsetzungRelay connection, relay logic for signal concept conversion
88th
Leitung für Lampenstrom-RückmeldungCable for lamp current feedback
99
TelegrammspeicherMessage memory
1010
Signalbegriffsignal aspect
1111
TelegrammauswahlTelegram selection
1212
Verbindung LEU zu BalisengruppeLink LEU to balise group
1313
Multiplexermultiplexer
1414
Vergleichercomparator
1515
Verstärker, SendestufeAmplifier, transmission level
1616
Codierung der Ergebnisse aus den Analogkomparatoren auf den AdressbusEncoding the results from the analog comparators on the address bus
1717
Analog KomparatorAnalog comparator
1818
Loop in Balise, Sende-LoopLoop in Balise, send loop
1919
«Fernspeisung» durch el. Magn. Feld«Remote supply» by el. Magn. Field
2020
T-Glied, Entkopplung des überlagerten Signals vom Telegram, aktiv oder passivT-element, decoupling of the superimposed signal from the telegram, active or passive
adrsaDRs
Adressbus, auf dem Adressbus anliegende AdresseAddress bus, address on the address bus
adrcadrc
Adressbus, auf dem Adressbus anliegende AdresseAddress bus, address on the address bus
FF
FestdatenbalisenFestdatenbalisen
L0, L1, L2L0, L1, L2
BalisengruppenBali Seng Ruppen
mm
Breite des AdressbussesWidth of the address bus
nn
Anzahl Telegramme, Anzahl SignalbegriffeNumber of telegrams, number of signal terms
Q1, Q2, .., QnQ1, Q2, .., Qn
Telegrammen Tel1, Tel2, .. zugeordnete Signalquellen,Telegrams Tel1, Tel2, .. assigned signal sources,
Qv1, Qv2, .., Qvn,Qv1, Qv2, .., Qvn,
Telegrammen Tel1, Tel2, ., zugeordnete zweite Signalquellen, ReferenzsignalquelleTelegrams Tel1, Tel2,., Assigned second signal sources, reference signal source
SPSSPS
speicherprogrammierte SchaltungProgrammed circuit
TT
Transparent-Balise, steuerbare TransparentbaliseTransparent-Balise, controllable transparentbalise
Tel1, Tel2, ..,Tel1, Tel2, ..,
Teln ETCS-TelegrammeTeln ETCS telegrams
Tel1', Tel2', ...Tel1 ', Tel2', ...
Teln' mit Signalen U1, U2, .. überlagerte ETCS-TelegrammeTeln 'with signals U1, U2, .. superimposed ETCS telegrams
U1, U2, ..,U1, U2, ..,
Un zu überlagerndes Signal der Quellen Q1, Q2, ..Un signal to be superimposed on sources Q1, Q2, ..
Liste der verwendeten AkronymeList of acronyms used

ERTMSERTMS
European Rail Traffic Management System in Kurzform: ERTMS = ETCS + GSMREuropean Rail Traffic Management System in short: ERTMS = ETCS + GSMR
ETCSETCS
European Train Control SystemEuropean Train Control System
GSMRGSM-R
Global System for Mobile Communications - RailwaysGlobal System for Mobile Communications - Railways
LEULEU
Lineside Electronic UnitLineside Electronic Unit
SPSSPS
speicherprogrammierte SchaltungProgrammed circuit
LiteraturlisteBibliography

[1][1]
http://www.ertms.com/http://www.ertms.com/

Claims (9)

  1. Balise connection (1) for the selection of an ETCS telegram (tel1, tel2,..) according to the signal aspects generated by a relay interlocking, said signal aspects containing a relay logic (7) connected to a balise (T, 18) for signal aspect conversion;
    characterised in that
    a) a signal (U1, U2,...) originating from a telegram-specific signal source (Q1, Q2,...) overlays the ETCS telegrams (tel1, tel2, ...) to be selected;
    b) a multiplexer (13) is connected to the relay logic (7) by way of an address bus (adrs), with the relay logic (7) attaching an address (adrs) to the address bus (adrs) as a result of a predetermined signal aspect, with which address (adrs) the multiplexer (13) selects an ETCS telegram (tel1', tel2',...) overlayed with a signal (U1, U2,...);
    c) the multiplexer (13) is connected to a transmit stage (15) in order to transmit the ETCS telegram (Tel1'; Tel2',..) overlayed with a signal;
    d) the transmit stage (15) is connected to an analogue comparator (17), by comparing the overlayed telegram (Tel1', Tel2') generated by the amplifier (15) in respect of the overlayed signal (U1, U2,...) with signals (U1', U2', ...) originating from telegram-specific second signal sources (Qv1, Qv2,...) and
    e) the analogue comparator (16) is connected to the relay logic (7) (adrc) so that the result of the comparison can be fed back to the relay logic (7).
  2. Balise connection (1) according to claim 1,
    characterised in that
    the signal (U1, U2,...) provided for the overlay is a direct voltage (DC).
  3. Balise connection (1) according to claim 1,
    characterised in that
    the signal (U1, U2,...) provided for the overlay is an alternating voltage (AC).
  4. Balise connection (1) according to claim 3, characterised in that
    the frequency fAC of the alternating voltage (AC, U1, U2, ..) compared with the frequency f Tel of the telegram (tel1, tel2, ...) is subject to the following equation; f AC ≤ f Te ⁢ 1
    Figure imgb0003
  5. Balise connection (1) according to claim 4,
    characterised in that
    the frequency fAC of the alternating voltage (AC, U1, U2,...) compared with the frequency f Tel of the telegram (tel1, tel2, ...) is subject to the following equation: 20 ⋅ f A ⁢ C = f T ⁢ e ⁢ 1
    Figure imgb0004
  6. Balise connection (1) according to claim 1 or 2,
    characterised in that
    an analogue comparator (17) is provided per telegram (Tel1, Tel2, ...), said analogue comparator being connected to a second signal source (Qv1, Qv2,...) and that the output of the analogue comparators (17) is connected to a unit (17) in order to encode one of the addresses (adrc) representing the comparisons.
  7. Balise connection (1) according to claim 6,
    characterised in that
    a comparator (14) is connected to the unit (17) and to the relay logic (7) by way of the address bus (adrs), with the comparator checking the consistency between the predetermined signal aspect and the address (adrc) representing the comparisons.
  8. Balise connection (1) according to claim 7,
    characterised in that
    to feedback the comparison, an RC network (R3, C2) is connected to the comparator (14) and the relay logic (7) in order to check the correct function of the comparator (14) as a timing circuit and additionally to return it to the relay logic (7).
  9. Balise connection (1) according to one of claims 1 to 8,
    characterised in that
    the relay logic (7) is embodied as a programmable circuit.
EP05018867A 2005-08-31 2005-08-31 Transponder connection to a relay interlocking for the selection of an ETCS telegram Not-in-force EP1759953B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE502005001910T DE502005001910D1 (en) 2005-08-31 2005-08-31 Balise interface for selecting an ETCS telegram to a relay interlocking
AT05018867T ATE377541T1 (en) 2005-08-31 2005-08-31 BALISEN CONNECTION FOR SELECTING AN ETCS TELEGRAM TO A RELAY INTERLOCKING
EP05018867A EP1759953B1 (en) 2005-08-31 2005-08-31 Transponder connection to a relay interlocking for the selection of an ETCS telegram

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05018867A EP1759953B1 (en) 2005-08-31 2005-08-31 Transponder connection to a relay interlocking for the selection of an ETCS telegram

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EP1759953A1 EP1759953A1 (en) 2007-03-07
EP1759953B1 true EP1759953B1 (en) 2007-11-07

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DE102007022837A1 (en) * 2007-05-10 2008-11-13 Siemens Ag Device and method for train control at a railroad crossing

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DE102004001818B3 (en) * 2004-01-07 2005-08-25 Siemens Ag Operating system for rail transport

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