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EP1693272A1 - Method and antenna arrangement used for data transmission between vehicle and track - Google Patents

Method and antenna arrangement used for data transmission between vehicle and track Download PDF

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Publication number
EP1693272A1
EP1693272A1 EP06000882A EP06000882A EP1693272A1 EP 1693272 A1 EP1693272 A1 EP 1693272A1 EP 06000882 A EP06000882 A EP 06000882A EP 06000882 A EP06000882 A EP 06000882A EP 1693272 A1 EP1693272 A1 EP 1693272A1
Authority
EP
European Patent Office
Prior art keywords
cable
conductor pair
channel
pair
antenna arrangement
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
EP06000882A
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German (de)
French (fr)
Other versions
EP1693272B1 (en
Inventor
Arthur Windisch
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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Filing date
Publication date
Application filed by Siemens Schweiz AG filed Critical Siemens Schweiz AG
Priority to EP06000882A priority Critical patent/EP1693272B1/en
Publication of EP1693272A1 publication Critical patent/EP1693272A1/en
Application granted granted Critical
Publication of EP1693272B1 publication Critical patent/EP1693272B1/en
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Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
    • 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
    • B61L3/16—Continuous control along the route
    • B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
    • B61L3/225—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using separate conductors along the route

Definitions

  • the present invention relates to a method and an antenna arrangement between the vehicle and the track area according to the preamble of patent claims 1 and 7, respectively.
  • the present invention relates to data transmission in railway engineering between a track as a stationary device and at least one rail-bound vehicle.
  • radiation cables are used. These are usually coaxial cables with a special outer conductor, which allow the coupling of a magnetic field. Other arrangements use a single-core conductor which is loops and is crossed at appropriate intervals.
  • security-relevant data such as the stop position or data for departure prevention are transmitted in this way.
  • the vehicle must be supplied with safety-relevant data from the Werleitrind, such as the stop position to be reached, the speed limit and data for departure prevention.
  • These data may depend on influencing factors such as vehicle weight, train length, brake system and weather conditions.
  • further data such as process data and status information of the train or the locomotive
  • further data are of interest for transmission to the authority responsible for the infrastructure.
  • specific data may be sent.
  • passenger billing systems or intrusion systems (burglary and vandalism in vehicles) is a data transfer from the vehicle to the outside of interest.
  • passenger seat reservation is an example.
  • the existing infrastructure should be widely used.
  • the document EP 1 413 495 A1 discloses an arrangement with symmetrical cables twisted pair / twisted pair or then stranding in quad for use as a radiation cable instead of the coaxial cable. This achieves extensive coupling symmetry with conductive structures in the environment, so that colateral current paths which generate an additional H field are largely absent. This reduces the impact of the environment on the cable.
  • the present invention has for its object to provide a method and an antenna arrangement, which allow to transfer additional data between the vehicle and rail while largely using existing infrastructure, without unduly compromising the security requirements for the transmission of security-related data.
  • the inventive method allows transmission of additional data without undue influence on security-relevant data.
  • the track-side antenna arrangement for which a further separate channel is provided for the transmission of further data for which there is another pair of conductors, allows the use of existing infrastructure.
  • Pair of conductors 1 orthogonally arranged another pair of conductors 2 are transmitted in the first cylindrical layer.
  • the arrangement of the first pair of conductors 1 in the core 7 of the cable has the advantage that better compensate the different influences of an electromagnetic field on forward o and return x of the first pair of conductors 1, since the distance between the two conductors is smaller than when the first pair of conductors 1 in an outer segment of the cable 20 would be arranged.
  • Figure 9 shows an arrangement and wiring of a cable 20 with a jacket 8 in a fifth embodiment of the invention.
  • security-relevant data are transmitted in the core 7 of the cable 20, while further data are transmitted in a parallel to the first conductor pair 1 further pair of conductors 2 in the first cylindrical layer. If all the conductors are in line, as in this illustration, it may also make sense, depending on the lay lengths, to arrange the first pair of conductors 1 in the outer segment, since the magnetic fields of the individual conductors of the inner pair of conductors partially compensate each other there.
  • Figure 10 shows an arrangement and wiring of a cable 20 according to a sixth embodiment of the invention with the associated field lines 9.
  • the field strength is less than at the same distance in the vertical direction. Therefore, this area is particularly suitable for positioning there a first pair of conductors 1 intended for transmission of safety-relevant data.
  • This pair of conductors may be twisted (not shown). If the further conductor pair 2 is also twisted, it may be arranged in a spiral around the further conductor pair 2 in addition to its own twist. If the spiral arrangement has the same impact as the further conductor pair 2, then the position of the first conductor pair in the desired range of low magnetic field strength over the entire length of the cable 20 are maintained.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

The method involves connecting a grounded communication unit to a longitudinal cable (20) for sending and receiving signals. Safety relevant data are transmitted to a channel via a pair of wires (1) of the cable. Another separate channel is provided for transmission of another set of data, and another pair of wires (2) is provided for the former channel. The channels are operated at different frequencies and with different modulations. An independent claim is also included for an antenna arrangement for bidirectional transmission of data for a train control system between a communication unit that is mounted on a rail vehicle and a grounded communication unit.

Description

Die vorliegende Erfindung betrifft ein Verfahren und eine Antennenanordnung zwischen Fahrzeug und Gleisbereich nach dem Oberbegriff des Patentanspruchs 1 bzw. 7.The present invention relates to a method and an antenna arrangement between the vehicle and the track area according to the preamble of patent claims 1 and 7, respectively.

Die vorliegende Erfindung bezieht sich auf die Datenübertragung in der Eisenbahntechnik zwischen einem Geleise als ortsfeste Einrichtung und mindestens einem schienengebundenen Fahrzeug.The present invention relates to data transmission in railway engineering between a track as a stationary device and at least one rail-bound vehicle.

Dazu werden Strahlungskabel eingesetzt. Das sind üblicherweise Koaxialkabel mit einem speziellen Aussenleiter, welche die Auskopplung eines magnetischen Feldes erlauben. Andere Anordnungen benutzen einen einadrigen Leiter, welcher in Schleifen ausgelegt ist und in geeigneten Abständen ausgekreuzt ist.For this purpose, radiation cables are used. These are usually coaxial cables with a special outer conductor, which allow the coupling of a magnetic field. Other arrangements use a single-core conductor which is loops and is crossed at appropriate intervals.

Insbesondere im Bahnhofbereich werden auf diese Weise sicherheitsrelevante Daten, wie zum Beispiel die Halteposition oder Daten zur Abfahrtsverhinderung übertragen. Dort muss das Fahrzeug mit sicherheitsrelevanten Daten aus dem Zugleitprozess, wie beispielsweise der zu erreichenden Halteposition, der Geschwindigkeitslimite und Daten zur Abfahrtverhinderung versorgt werden. Diese Daten können von Einflussgrössen wie Fahrzeuggewicht, Zuglänge, Bremssystem und Witterung abhängig sein.In particular, in the station area security-relevant data, such as the stop position or data for departure prevention are transmitted in this way. There, the vehicle must be supplied with safety-relevant data from the Zugleitprozess, such as the stop position to be reached, the speed limit and data for departure prevention. These data may depend on influencing factors such as vehicle weight, train length, brake system and weather conditions.

Neben sicherheitsrelevanten Daten sind weitere Daten, wie Prozessdaten und Zustandsinformation des Zuges respektive der Lokomotive für eine Übermittlung an die für die Infrastruktur zuständige Stelle von Interesse. So können zum Beispiel bei einem Ausfall einer Funktion wie z.B. einem Antriebsmotor spezifische Daten versendet werden. Aber auch für Fahrgastabrechnungssysteme oder Intrusionssysteme (Einbruch und Vandalismus in Fahrzeugen) ist eine Datenübermittlung vom Fahrzeug nach aussen von Interesse. Für Up Link Anwendungen ist die Fahrgast- Platzreservierung beispielhaft zu nennen. Für diese Aufgaben soll die bestehende Infrastruktur weitgehend genutzt werden.In addition to safety-relevant data, further data, such as process data and status information of the train or the locomotive, are of interest for transmission to the authority responsible for the infrastructure. For example, in the event of a failure of a function such as a drive motor, specific data may be sent. But also for passenger billing systems or intrusion systems (burglary and vandalism in vehicles) is a data transfer from the vehicle to the outside of interest. For uplink applications is the passenger seat reservation as an example. For these tasks, the existing infrastructure should be widely used.

Mit den für die Loopfunktion verwendeten Koaxialkabeln besteht das Problem der Gewährleistung der Sicherheit, wenn zusätzlich zur Zug-Sicherungsinformation noch weitere für den Bahnbetrieb relevante Daten zwischen Fahrzeug und Systemtechnik zusätzlich auf dem gleichen Leiter ausgetauscht werden. Die Anforderungen der erforderlichen Trennung und damit Unbeeinflussbarkeit sind nicht mehr gegeben.
In der Praxis zeigt sich auch, dass die Koaxialkabel mit ihrem nicht symmetrischen Aufbau gegen eine metallische leitfähige Umgebung wesentliche Nachteile durch die kapazitive und induktive Kopplung des Aussenleiters mit konstruktiven Elementen wie der Schiene und Weichen aufweisen. Es entstehen unkontrolliert Strompfade, welche ein zusätzliches H-Feld erzeugen, welches meist Interferenzen hervorruft.With the coaxial cables used for the Loopfunktion there is the problem of ensuring safety, if in addition to the train security information other relevant for railway operation data between the vehicle and system technology are also exchanged on the same head. The requirements of the required separation and thus uninfluenceability are no longer given.
In practice, it also shows that the coaxial cable with its non-symmetrical structure against a metallic conductive environment have significant disadvantages due to the capacitive and inductive coupling of the outer conductor with constructive elements such as the rail and points. It creates uncontrolled current paths, which generate an additional H-field, which usually causes interference.

Aus der Schrift EP 1 413 495 A1 ist eine Anordnung mit symmetrischen Kabeln twisted pair / verdrillte Zweier oder dann Verseilung im Vierer zur Verwendung als Strahlungskabel anstelle der Koaxialkabel bekannt. Dadurch wird eine weitgehende Kopplungs-Symmetrie mit leitenden Strukturen in der Umgebung erreicht, so dass kolaterale Strompfade, welche ein zusätzliches H-Feld erzeugen, weitgehend fehlen. Dadurch wird der Einfluss der Umgebung auf das Kabel reduziert.The document EP 1 413 495 A1 discloses an arrangement with symmetrical cables twisted pair / twisted pair or then stranding in quad for use as a radiation cable instead of the coaxial cable. This achieves extensive coupling symmetry with conductive structures in the environment, so that colateral current paths which generate an additional H field are largely absent. This reduces the impact of the environment on the cable.

In der Fachwelt wird zwischen den Begriffen verdrillt und verseilt unterschieden. Einheitlich ist die Handhabung in der Praxis nicht. In dieser Schrift fallt unter den Begriff verdrillt jede Anordnung, die eine helixförmige Leiterstruktur aufweist, beispielsweise auch die in der Fachwelt gelegentlich speziell angesprochenen Begriffe der Verseilung, Viererverseilung, Lagenverseilung und Dieselhorst-Martin-Verseilung. In der Wirkung auf das erfinderische Verfahren und die Anordnung besteht kein prinzipieller Unterschied.In the professional world, a distinction is made between the terms twisted and stranded. Uniform handling in practice is not. In this document falls under the term twisted any arrangement that has a helical conductor structure, for example, in the professional world occasionally specifically addressed terms of stranding, quad stranding, layer stranding and diesel Horst Martin stranding. In effect on the inventive method and the arrangement is no fundamental difference.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Verfahren und eine Antennenanordnung anzugeben, die es erlauben, unter weitgehender Nutzung vorhandener Infrastruktur zusätzliche Daten zwischen Fahrzeug und Schiene zu übertragen, ohne die Sicherheitsanforderungen für die Übertragung der sicherheitsrelevanten Daten unzulässig zu beeinträchtigen.The present invention has for its object to provide a method and an antenna arrangement, which allow to transfer additional data between the vehicle and rail while largely using existing infrastructure, without unduly compromising the security requirements for the transmission of security-related data.

Diese Aufgabe wird durch die im Patentanspruch 1 bzw. 7 angegebenen Massnahmen gelöst.This object is achieved by the measures specified in claim 1 and 7 respectively.

Das erfindungsgemässe Verfahren, wonach
sicherheitsrelevante Daten getrennt von weiteren Daten in einem oder mehreren separaten Kanälen und auf einem oder mehreren separaten Leiterpaaren übertragen werden,
erlaubt eine Übertragung zusätzlicher Daten, ohne unzulässige Beeinflussung sicherheitsrelevanter Daten. Die streckenseitige Antennenanordnung, für welche ein weiterer getrennter Kanal zur Übertragung weiterer Daten bereitgestellt ist, für welchen ein weiteres Leiterpaar vorhanden ist, erlaubt dabei die Nutzung bestehender Infrastruktur.The inventive method, according to which
transmit safety-relevant data separately from further data in one or more separate channels and on one or more separate conductor pairs,
allows transmission of additional data without undue influence on security-relevant data. The track-side antenna arrangement, for which a further separate channel is provided for the transmission of further data for which there is another pair of conductors, allows the use of existing infrastructure.

Vorteilhafte Ausgestaltungen der Erfindung sind in weiteren Ansprüchen angegeben.Advantageous embodiments of the invention are specified in further claims.

Durch die folgenden Merkmale einzeln oder in Kombination untereinander kann die Zuverlässigkeit und/oder die Übertragungskapazität von der Datenübertragung zusätzlich erhöht werden und/oder besonders einfach und kostengünstig hergestellt werden:

i)
Betreiben der verschiedenen Kanäle auf verschiedenen Frequenzen. Dadurch lassen sich insbesondere Interferenzphänomene vermeiden. Massnahmen zur Verhinderung einer gegenseitigen Beeinflussung können klein gehalten werden oder fallen gänzlich weg.
ii)
Verdrillung von Leiterpaaren untereinander und/oder miteinander. Bei einer geeigneten Wahl der Schlaglänge heben sich dabei die unterschiedlichen Einflüsse eines elektromagnetischen Felds auf die Hin- und die Rückleitung eines Leiterpaars im Wesentlichen auf.
iii)
Vermeidung von Sekundärströmen durch eine geeignete geometrische Anordnung der Leiter im Kabel.
iv)
Symmetrische Anordnung von Leiterpaaren im Kabel. Dadurch können insbesondere elektromagnetische Kopplungen zwischen diesem Leiterpaar und seiner Umgebung, insbesondere jedoch der Kabelumgebung reduziert werden.
v)
Anordnung der Leiterpaare in einem zylinderförmigen Segment und/oder in einem oder mehreren hohlzylinderförmigen Segmenten. Besonders wenn in einem Kabel eine Vielzahl von Leiterpaaren untergebracht werden müssen erleichtert sich dadurch dessen Herstellung.
vi)
Anordnung der Leiter im Kabel so, dass in einem Querschnitt durch das Kabel ein Leiterpaar im Wesentlichen in einem Bereich in der Nähe der Verbindungslinie des anderen Leiterpaars, jedoch ausserhalb der Verbindungsstrecke dieses anderen Leiterpaars angeordnet ist (Fig. 10). In diesem Bereich zeigen die magnetischen Feldvektoren im Wesentlichen in entgegensetzte Richtungen und heben sich daher teilweise auf.
vii)
Alle Leiter weisen den genau gleichen Schlag auf. Damit weist ein beliebiger Leiter an jeder Stelle entlang des Kabels zu jedem der weiteren Leiter im Kabel eine konstante Koppelgrösse auf.
viii)
Betreiben der verschiedenen Kanäle mit unterschiedlichen Modulationsverfahren.
ix)
Nutzung eines Kabels, in dem die für Übertragungs-Leiterschleifen nicht genutzten Leiter durch vereinfachte Substitute/Platzhalter aus Kunststoff ohne elektrische Leiter ersetzt werden.
By the following features individually or in combination with each other, the reliability and / or the transmission capacity of the data transmission can be further increased and / or made particularly simple and cost-effective:
i)
Operating the different channels on different frequencies. As a result, in particular interference phenomena can be avoided. Measures to prevent mutual interference can be kept small or completely eliminated.
ii)
Twisting of pairs of conductors with each other and / or each other. In the case of a suitable choice of the lay length, the different influences of an electromagnetic field on the forward and return lines of a pair of conductors essentially cancel each other out.
iii)
Avoidance of secondary currents by a suitable geometric arrangement of the conductors in the cable.
iv)
Symmetrical arrangement of conductor pairs in the cable. As a result, in particular electromagnetic couplings between this pair of conductors and its environment, but in particular the cable environment can be reduced.
v)
Arrangement of the conductor pairs in a cylindrical segment and / or in one or more hollow cylindrical segments. Especially when in a cable a plurality of conductor pairs must be accommodated thereby facilitates its production.
vi)
Arrangement of the conductors in the cable so that in a cross section through the cable, a pair of conductors substantially in an area in the vicinity of the connecting line of the other pair of conductors, but outside the connection path of this other pair of conductors is arranged (Fig. 10). In this region, the magnetic field vectors essentially point in opposite directions and therefore partially cancel each other out.
vii)
All leaders have exactly the same impact. Thus, any conductor at any point along the cable to each of the other conductors in the cable has a constant coupling size.
viii)
Operating the different channels with different modulation methods.
ix)
Use of a cable in which the conductors not used for transmission conductor loops are replaced by simplified plastic substitutes / placeholders without electrical conductors.

Die Erfindung wird nachfolgend anhand der Zeichnung beispielsweise näher erläutert. Dabei zeigen:

Figur 1
Darstellung der Verlegung eines Kabels im Gleisbereich;
Figur 2
Elektrische Ersatzschaltung einer zusätzlichen Antenne aus einem weiteren Leiterpaar;
Figur 3
Darstellung des Aderaufbaus;
Figur 4
Anordnung und Beschaltung eines Kabels gemäss Stand der Technik;
Figur 5
Anordnung und Beschaltung eines Kabels in einer ersten Ausführungsform der Erfindung;
Figur 6
Anordnung und Beschaltung eines Kabels in einer zweiten Ausführungsform der Erfindung;
Figur 7
Anordnung und Beschaltung des Kabels in einer dritten Ausführungsform der Erfindung;
Figur 8
Anordnung und Beschaltung eines Kabels in einer vierten Ausführungsform der Erfindung;
Figur 9
Anordnung und Beschaltung eines Kabels in einer fünften Ausführungsform der Erfindung;
Figur 10
Anordnung und Beschaltung eines Kabels in einer fünften Ausführungsform der Erfindung;
  • In Figur 1 ist die Verlegung eines Kabels 20 im Gleisbereich dargestellt. Sichtbar ist auch der Abschlusswiderstand 22 und die Kommunikationseinheit 21.
  • Figur 2 zeigt eine elektrische Ersatzschaltung einer zusätzlichen Antenne aus einem verdrillten weiteren Leiterpaar 2. Dieses weitere Leiterpaar ist an eine Kommunikationseinheit 21 angeschlossen und über einen Abschlusswiderstand 22 abgeschlossen.
  • Figur 3 ist eine Darstellung des Aderaufbaus. Eine Ader 5 dient als Hinleiter o, die andere Ader 5 als Rückleiter x. Die Adern haben eine Litze 3, üblicherweise aus Kupfer, sowie eine Isolation 4.
  • Figur 4 zeigt eine Anordnung und Beschaltung eines Kabels 20 mit einem ersten Leiterpaar 1 gemäss Stand der Technik.
  • Figur 5 zeigt eine Anordnung und Beschaltung eines Kabels 20 in einer ersten Ausführungsform der Erfindung mit einem ersten Leiterpaar 1 zur Übertragung sicherheitsrelevanter Informationen und einem weiteren Leiterpaar 2 zur Übertragung weiterer Informationen.
  • Figur 6 zeigt eine Anordnung und Beschaltung eines Kabels 20 in einer zweiten Ausführungsform der Erfindung. In dieser Ausführungsform dient ein achsialsymmetrisches erstes Leiterpaar 1 zur Übertragung sicherheitsrelevanter Informationen, während ein weiteres ebenfalls axialsymmetrisches weiteres Leiterpaar 2 zur Übertragung weiterer Informationen vorgesehen ist. In dieser Ausführungsform sind diese zwei Leiterpaare 1, 2 in einem ersten hohlzylinderförmigen Segment angeordnet.
  • Figur 7 zeigt eine Anordnung und Beschaltung des Kabels 20 in einer dritten Ausführungsform der Erfindung. Auch in dieser Ausführungsform sind die Leiterpaare 1, 2 einem ersten hohlzylinderförmigen Segment angeordnet.
  • Figur 8 zeigt eine Anordnung und Beschaltung eines Kabels 20 mit einem Mantel 8 in einer vierten Ausführungsform der Erfindung. In dieser Ausführungsform werden sicherheitsrelevante Daten im Kern 7 des Kabels 20 übertragen, während weitere Daten in einem zum ersten
The invention will be explained in more detail with reference to the drawing, for example. Showing:
FIG. 1
Illustration of the laying of a cable in the track area;
FIG. 2
Electrical equivalent circuit of an additional antenna from another pair of conductors;
FIG. 3
Representation of the vein structure;
FIG. 4
Arrangement and wiring of a cable according to the prior art;
FIG. 5
Arrangement and wiring of a cable in a first embodiment of the invention;
FIG. 6
Arrangement and wiring of a cable in a second embodiment of the invention;
FIG. 7
Arrangement and wiring of the cable in a third embodiment of the invention;
FIG. 8
Arrangement and wiring of a cable in a fourth embodiment of the invention;
FIG. 9
Arrangement and wiring of a cable in a fifth embodiment of the invention;
FIG. 10
Arrangement and wiring of a cable in a fifth embodiment of the invention;
  • In Figure 1, the laying of a cable 20 is shown in the track area. The terminating resistor 22 and the communication unit 21 are also visible.
  • Figure 2 shows an electrical equivalent circuit of an additional antenna of a twisted further pair of conductors 2. This further pair of conductors is connected to a Communication unit 21 connected and completed via a terminating resistor 22.
  • FIG. 3 is an illustration of the core structure. One wire 5 serves as a forward conductor o, the other wire 5 as a return conductor x. The wires have a strand 3, usually made of copper, as well as an insulation 4.
  • FIG. 4 shows an arrangement and wiring of a cable 20 with a first conductor pair 1 according to the prior art.
  • FIG. 5 shows an arrangement and wiring of a cable 20 in a first embodiment of the invention with a first conductor pair 1 for transmitting safety-relevant information and a further conductor pair 2 for transmitting further information.
  • Figure 6 shows an arrangement and wiring of a cable 20 in a second embodiment of the invention. In this embodiment, an axis-symmetrical first conductor pair 1 is used for transmitting safety-relevant information, while another likewise axially symmetrical further conductor pair 2 is provided for transmitting further information. In this embodiment, these two pairs of conductors 1, 2 are arranged in a first hollow cylindrical segment.
  • Figure 7 shows an arrangement and wiring of the cable 20 in a third embodiment of the invention. Also in this embodiment, the conductor pairs 1, 2 are arranged a first hollow cylindrical segment.
  • Figure 8 shows an arrangement and wiring of a cable 20 with a jacket 8 in a fourth embodiment of the invention. In this embodiment, security-relevant data is transmitted in the core 7 of the cable 20, while other data in one to the first

Leiterpaar 1 orthogonal angeordneten weiteren Leiterpaar 2 in der ersten zylinderförmigen Lage übertragen werden. Die Anordnung des ersten Leiterpaars 1 im Kern 7 des Kabels hat den Vorteil, dass sich die unterschiedlichen Einflüsse eines elektromagnetischen Feldes auf Hinleiter o und Rückleiter x des ersten Leiterpaares 1 besser kompensieren, da der Abstand der beiden Leiter kleiner ist, als wenn das erste Leiterpaar 1 in einem äusseren Segment des Kabels 20 angeordnet wäre.Pair of conductors 1 orthogonally arranged another pair of conductors 2 are transmitted in the first cylindrical layer. The arrangement of the first pair of conductors 1 in the core 7 of the cable has the advantage that better compensate the different influences of an electromagnetic field on forward o and return x of the first pair of conductors 1, since the distance between the two conductors is smaller than when the first pair of conductors 1 in an outer segment of the cable 20 would be arranged.

Figur 9 zeigt eine Anordnung und Beschaltung eines Kabels 20 mit einem Mantel 8 in einer fünften Ausführungsform der Erfindung. In dieser Ausführungsform werden sicherheitsrelevante Daten im Kern 7 des Kabels 20 übertragen, während weitere Daten in einem zum ersten Leiterpaar 1 parallelen weiteren Leiterpaar 2 in der ersten zylinderförmigen Lage übertragen werden. Befinden sich alle Leiter, wie in dieser Darstellung in einer Linie, so kann es je nach Schlaglängen auch sinnvoll sein, das erste Leiterpaar 1 in dem äusseren Segment anzuordnen, da sich die magnetischen Felder der einzelnen Leiter des inneren Leiterpaares dort teilweise kompensieren.Figure 9 shows an arrangement and wiring of a cable 20 with a jacket 8 in a fifth embodiment of the invention. In this embodiment, security-relevant data are transmitted in the core 7 of the cable 20, while further data are transmitted in a parallel to the first conductor pair 1 further pair of conductors 2 in the first cylindrical layer. If all the conductors are in line, as in this illustration, it may also make sense, depending on the lay lengths, to arrange the first pair of conductors 1 in the outer segment, since the magnetic fields of the individual conductors of the inner pair of conductors partially compensate each other there.

Figur 10 zeigt eine Anordnung und Beschaltung eines Kabels 20 gemäss einer sechsten Ausführungsform der Erfindungmit den zugehörigen Feldlinien 9. Im Bereich ausserhalb der Verbindungslinie des weiteren Leiterpaars 2 ist die Feldstärke geringer als bei gleicher Distanz in senkrechter Richtung dazu. Deshalb ist dieser Bereich besonders geeignet um dort ein zur Übertragung sicherheitsrelevanter Daten vorgesehenes erstes Leiterpaar 1 zu positionieren. Dieses Leiterpaar kann verdrillt sein (nicht dargestellt). Falls das weitere Leiterpaar 2 ebenfalls verdrillt ist, kann es zusätzlich zur eigenen Verdrillung spiralförmig um das weitere Leiterpaar 2 angeordnet sein. Weist die spiralförmige Anordnung den selben Schlag auf wie das weitere Leiterpaar 2, so kann dadurch die Position des ersten Leiterpaares im gewünschten Bereich niedriger magnetischer Feldstärke über die ganze Länge des Kabels 20 beibehalten werden.Figure 10 shows an arrangement and wiring of a cable 20 according to a sixth embodiment of the invention with the associated field lines 9. In the area outside the connecting line of the other conductor pair 2, the field strength is less than at the same distance in the vertical direction. Therefore, this area is particularly suitable for positioning there a first pair of conductors 1 intended for transmission of safety-relevant data. This pair of conductors may be twisted (not shown). If the further conductor pair 2 is also twisted, it may be arranged in a spiral around the further conductor pair 2 in addition to its own twist. If the spiral arrangement has the same impact as the further conductor pair 2, then the position of the first conductor pair in the desired range of low magnetic field strength over the entire length of the cable 20 are maintained.

Liste der verwendeten BezugszeichenList of reference numbers used

11
Erstes Leiterpaar zur Übertragung sicherheitsrelevanter InformationFirst pair of conductors for transmission of safety-related information
22
Weiteres Leiterpaar zur Übertragung weiterer DatenFurther pair of conductors for transmission of further data
33
Litze, LeiterWire, conductor
44
Isolationisolation
55
AderVein
77
Kerncore
88th
Mantelcoat
99
Feldlinienfield lines
2020
Kabelelectric wire
2121
Erdgebundene KommunikationseinheitEarthbound communication unit
2222
Abschlusswiderstandterminator
OO
Hinleitergo conductor
XX
Rückleiterreturn conductor

Claims (12)

Verfahren zur bidirektionalen Datenübertragung für ein Zugbeeinflussungssystem zwischen einer auf einem Schienenfahrzeug montierten Kommunikationseinheit und einer erdgebundenen Kommunikationseinheit (21), wobei die erdgebundene Kommunikationseinheit (21) zur Aussendung und/oder zum Empfang von Signalen mit einem längs zu einem Geleise geführten Kabel (20) verbunden ist und in einem ersten Kanal sicherheitsrelevante Daten über ein erstes Leiterpaar (1) des Kabels (20) übertragen werden,
dadurch gekennzeichnet, dass
ein weiterer getrennter Kanal zur Übertragung weiterer Daten bereitgestellt wird, wobei für diesen Kanal ein weiteres Leiterpaar (2) des Kabels (20) vorgesehen ist.A bidirectional data transmission method for a train control system between a rail vehicle-mounted communication unit and a ground-based communication unit (21), the ground-based communication unit (21) for transmitting and / or receiving signals connected to a cable (20) routed along a track and in a first channel safety-relevant data are transmitted via a first conductor pair (1) of the cable (20),
characterized in that
a further separate channel for transmitting further data is provided, wherein for this channel, a further conductor pair (2) of the cable (20) is provided. Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass
der erste Kanal und der weitere Kanal auf einer je unterschiedlichen Frequenz und/oder mit verschiedenen Modulationen betrieben werden.Method according to claim 1 or 2,
characterized in that
the first channel and the further channel are operated on a different frequency and / or with different modulations. Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass
mindestens ein Leiterpaar (1, 2) verdrillt ist.Method according to one of claims 1 to 3,
characterized in that
at least one conductor pair (1, 2) is twisted. Verfahren nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
die Leiterpaare (1, 2) im Kern (7) des Kabels (20) und/oder in einem oder mehreren hohlzylinderförmigen Segmenten um den Kern (7) angeordnet sind.Method according to one of the preceding claims,
characterized in that
the conductor pairs (1, 2) are arranged in the core (7) of the cable (20) and / or in one or more hollow-cylindrical segments around the core (7). Verfahren nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
in einem Querschnitt durch das Kabel (20) das erste Leiterpaar (1) im Wesentlichen im Bereich der Verbindungsachse des weiteren Leiterpaars (2), jedoch ausserhalb der Verbindungsstrecke des weiteren Leiterpaars (2) angeordnet ist.Method according to one of the preceding claims,
characterized in that
in a cross section through the cable (20), the first conductor pair (1) is arranged substantially in the region of the connection axis of the further conductor pair (2), but outside the connection path of the further conductor pair (2). Verfahren nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
die zwei Leiter (o, x) eines Leiterpaares (1, 2) axialsymmetrisch angeordnet sind.Method according to one of the preceding claims,
characterized in that
the two conductors (o, x) of a conductor pair (1, 2) are arranged axially symmetrically. Antennenanordnung zur bidirektionalen Datenübertragung für ein Zugbeeinflussungssystem zwischen einer auf einem Schienenfahrzeug montierten Kommunikationseinheit und einer erdgebundenen Kommunikationseinheit (21), die gebildet wird aus einem längs zu einem Geleise geführten Kabel (20), das ein erstes Leiterpaar (1) aufweist, über das ein erster Kanal für die Übertragung sicherheitsrelevanter Daten bereitgestellt ist,
dadurch gekennzeichnet, dass
das Kabel (20) wenigstens ein weiteres Leiterpaar (2) aufweist, über das ein weiterer getrennter Kanal zur Übertragung weiterer Daten bereitgestellt ist.Antenna arrangement for bidirectional data transmission for a train control system between a rail vehicle mounted communication unit and an earthbound communication unit (21) formed from a track (20) guided along a track having a first pair of conductors (1) over which a first one Channel is provided for the transmission of security-relevant data,
characterized in that
the cable (20) has at least one further conductor pair (2) via which a further separate channel is provided for transmitting further data. Antennenanordnung nach Anspruch 7,
dadurch gekennzeichnet, dass
für den ersten Kanal und den weiteren Kanal je unterschiedliche Frequenz und/oder verschiedene Modulation vorgesehen ist.Antenna arrangement according to Claim 7,
characterized in that
for the first channel and the further channel each different frequency and / or different modulation is provided. Antennenanordnung nach einem der Ansprüche 7 oder 8,
dadurch gekennzeichnet, dass
mindestens ein Leiterpaar (1, 2) verdrillt ist.Antenna arrangement according to one of claims 7 or 8,
characterized in that
at least one conductor pair (1, 2) is twisted. Antennenanordnung nach einem der Ansprüche 7 bis 9,
dadurch gekennzeichnet, dass
die Leiterpaare (1, 2) im Kern (7) des Kabels (20) und/oder in einem oder mehreren hohlzylinderförmigen Segmenten um den Kern (7) angeordnet sind.Antenna arrangement according to one of Claims 7 to 9,
characterized in that
the conductor pairs (1, 2) are arranged in the core (7) of the cable (20) and / or in one or more hollow-cylindrical segments around the core (7). Antennenanordnung nach einem der Ansprüche 7 bis 10,
dadurch gekennzeichnet, dass
in einem Querschnitt durch das Kabel (20) das erste Leiterpaar (1) im Wesentlichen im Bereich der Verbindungsachse des weiteren Leiterpaars (2), jedoch ausserhalb der Verbindungsstrecke des weiteren Leiterpaars (2) angeordnet ist.Antenna arrangement according to one of Claims 7 to 10,
characterized in that
in a cross section through the cable (20), the first conductor pair (1) is arranged substantially in the region of the connection axis of the further conductor pair (2), but outside the connection path of the further conductor pair (2). Antennenanordnung nach einem der Ansprüche 7 bis 11,
dadurch gekennzeichnet, dass
die zwei Leiter (o, x) eines Leiterpaares axialsymmetrisch angeordnet sind.Antenna arrangement according to one of Claims 7 to 11,
characterized in that
the two conductors (o, x) of a conductor pair are arranged axially symmetrically.
EP06000882A 2005-02-18 2006-01-17 Antenna arrangement used for data transmission between vehicle and track Not-in-force EP1693272B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06000882A EP1693272B1 (en) 2005-02-18 2006-01-17 Antenna arrangement used for data transmission between vehicle and track

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05003550 2005-02-18
EP06000882A EP1693272B1 (en) 2005-02-18 2006-01-17 Antenna arrangement used for data transmission between vehicle and track

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EP1693272A1 true EP1693272A1 (en) 2006-08-23
EP1693272B1 EP1693272B1 (en) 2008-04-23

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US8583299B2 (en) 2009-03-17 2013-11-12 General Electric Company System and method for communicating data in a train having one or more locomotive consists
US9379775B2 (en) 2009-03-17 2016-06-28 General Electric Company Data communication system and method
US9637147B2 (en) 2009-03-17 2017-05-02 General Electronic Company Data communication system and method
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ATE393075T1 (en) 2008-05-15
DE502006000658D1 (en) 2008-06-05
EP1693272B1 (en) 2008-04-23

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