EP0535549B1 - System for inductively transmitting control information to railway vehicles - Google Patents
System for inductively transmitting control information to railway vehicles Download PDFInfo
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- EP0535549B1 EP0535549B1 EP92116427A EP92116427A EP0535549B1 EP 0535549 B1 EP0535549 B1 EP 0535549B1 EP 92116427 A EP92116427 A EP 92116427A EP 92116427 A EP92116427 A EP 92116427A EP 0535549 B1 EP0535549 B1 EP 0535549B1
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- Prior art keywords
- track
- travel
- conductor
- loop
- conductor loop
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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
- B61L3/16—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 invention relates to a device according to the preamble of claim 1.
- a device is e.g. described in European patent application 424 664 A2 in connection with claim 9.
- the one which transmits control information for the direction of travel in which the intended train journey is to take place is activated.
- the on-board control unit of a vehicle therefore only ever receives control information for one direction of travel. Nevertheless, for safety reasons, it is necessary to check on the vehicle whether control information transmitted from the route is really assigned to the driver's own direction of travel, which can be determined, for example, from the direction of rotation of the wheels. However, such a check is only possible if the assignment to a direction of travel can also be recognized from the control information itself.
- the line conductor loop can also be crossed several times and in an asymmetrical spacing grid, and the vehicle can have devices for detecting intersections and for measuring the distance traveled between the intersections. Then the direction of travel is to be determined from the sequence of the phase change of the received signal.
- Such loops must not be less than a minimum length that is required for the safe detection of the intersection distances. Laying such loops in confined areas such as train stations often causes difficulties. In addition, reliable intersection detection and the determination of the intersection distances require complex measurement technology on the vehicles.
- the assignment of fixed identifiers for the two line conductor loops of a line conductor loop arrangement enables the vehicle to determine the assigned direction of travel from the order in which the two identifiers are received and to check the information received at the same route location for validity for its direction of travel and to use it for the next journey .
- the laying of at least two line conductor loops in the area of a route location allows the modules required to operate the two loops to be accommodated in one housing and the use of common modules such as the power supply for both loops.
- the transmission of important information can be carried out redundantly over both loops, so that e.g. a restrictive signal term is still transmitted even if one of the line conductor loops has failed.
- Claim 2 relates to the preparation and storage of the fixed information to be transmitted and the information which changes depending on the signal aspect in the route device, as described in the prior art cited at the beginning for a signal location equipped with only one line conductor loop.
- Claim 3 shows a possibility of redundantly transmitting important information by introducing different data telegram types, one of which is output via both loops and evaluated on the vehicles independently of the direction of travel.
- An embodiment specified in claim 4 provides different transmission frequencies for the two different directions of travel. The assignment of the information sent out by a line conductor loop to a direction of travel can thus be determined even more reliably and even if the other line conductor loop has failed.
- a vehicle can be informed of an impending change in the assignment of a frequency to a direction of travel.
- assignment changes are e.g. Necessary if a vehicle travels a previously traveled route in the opposite direction without changing its direction of travel, for example after a turning loop.
- Claim 6 relates to the arrangement of the line conductor loops in the area of a signal location in relation to the signal. Such an arrangement ensures that in the event of a red signal, emergency braking is triggered as prescribed at the signal location.
- Claim 7 enables the use of the change of identifier that occurs during the transition between the line conductor loops as a location reference point.
- Claim 8 provides for a partial overlap of the two loops when operating at different frequencies. This has the advantage of a smaller extension of the Line conductor loop arrangement while maintaining the possibility of determining the direction of travel from the sequence of the loop identifications.
- Claim 9 prevents an evaluation of data telegrams intended for the opposite direction in the event of failure of a line conductor loop within a line conductor loop arrangement assigned to the opposite direction.
- FIG. 1 two line conductor loops S1, S2 are shown schematically, which together form a line conductor loop arrangement.
- the two line conductor loops are, seen in the direction of travel FR, right of the middle of the track, one behind the other in the track GL.
- a receiving antenna FA located in the middle of the track on each vehicle to be controlled picks up the magnetic field of the conductor of each line conductor loop running in the middle of the track as it moves over the line conductor loop arrangement and carries a voltage induced by the magnetic field of this conductor to a receiving part of the vehicle's on-board control unit for evaluation to.
- the two line conductor loops are fed from a line device SE with a transmission signal which e.g. how a frequency-shift-keyed high-frequency signal in the frequency range between 20 and 100 kHz can be when influencing the lines.
- the line device is supplied with energy via a supply line SP.
- the information to be transmitted is stored in the form of data telegrams in memories of the line devices.
- Several types of data telegrams are kept available for both loops independently of one another and fed to the loops independently of one another. If the line conductor loop arrangement is at the location of a signal SIG, the data telegram is selected depending on the signal term set on the signal. For this purpose, the set signal term is supplied in coded form to the route device via a signal term feed line SI.
- FIG. 2 shows a data telegram in its structure. It consists of a telegram header TK, which is used for synchronization and telegram recognition. In the following, it contains an identifier part KE, which contains a loop identifier in addition to a memory identifier.
- the loop identifiers are always assigned to the loops of a line conductor loop arrangement in such a way that their sequence corresponds to a specific direction of travel. For example, a vehicle moving in the direction of travel FR in FIG. 1 first receives the identifier 1 of the first line conductor loop S1, and then the identifier 2 of the second line conductor loop S2.
- the order 1, 2 of the identifiers received corresponds to the direction of travel FR, which is, for example, the main direction of travel. If the vehicle received the identification sequence 2, 1, it would deduce from this that the information transmitted is not intended for its direction of travel and must not be taken into account.
- an information part IT with useful information follows in the data telegram, the composition of which depends on the data telegram type.
- the data telegram is terminated with a redundancy part R, which is used to protect against transmission errors.
- the individual data telegram types differ in their information part. They are output in a specified sequence on one or both line conductor loops. Information that is absolutely necessary for a journey (e.g. signal information) is summarized in a special data telegram type that is output via both loops of a line conductor loop arrangement and thus reaches a vehicle even if one loop has failed. Since experience has shown that the line conductor loops represent the most fault-sensitive part of the entire device, the reliability of the device is considerably increased by transmitting the basic information about both loops.
- Line conductor loop arrangements must be provided for both directions of travel on railway lines with track change operation.
- the arrangement shown in Fig. 1 can be easily installed for the opposite direction, provided the signals for the different directions are so far apart that both line conductor loop arrangements have space in the track without their effective areas overlapping.
- FIG. 3 shows two line conductor loop arrangements S11, S12; S21, S22 are shown, whose effective areas overlap due to the signal locations for the two directions of travel which are close together.
- the line device SE 1, 2 accordingly feeds the line conductor loops S11 and S12 with a first frequency F1 and the line conductor loops S21 and S22 with a second frequency F2 in the arrangement shown in FIG. 3.
- the vehicle antenna is designed to be broadband enough, the vehicles can receive both frequencies with one antenna.
- the vehicle receiver is set to receive the frequency relevant to the respective direction of travel.
- the receiver is constructed in such a way that it generates two oscillator frequencies which are assigned to the two reception frequencies and, when mixed with the respectively assigned reception frequency, give the same intermediate frequency.
- the switchover of the receiver between the reception frequencies F1 and F2 can then easily be carried out by switching the respectively assigned oscillator frequency to the mixer stage of the receiver.
- the reception frequency can be switched over before the start of a journey, provided the same frequency is assigned to the intended direction of travel on all line conductor loop arrangements along the route ahead. If the frequency assigned to the direction of travel changes along the route to be traveled by the vehicle (such as cannot be avoided in turning loops or meshed route networks), the receiver can also be switched to a different reception frequency by a switching command transmitted via the previous line conductor loop arrangement.
- FIG. 4 shows a line conductor loop arrangement for a direction of travel with overlapped line conductor loops S1, S2. Here both loops are operated at different frequencies.
- the vehicle receiver must be designed for the simultaneous reception of two frequencies on two channels or both frequencies evaluate time multiplex.
- the advantage of such an arrangement over the arrangement shown in FIG. 1 is its small spatial extent.
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
Description
Die Erfindung betrifft eine Einrichtung gemäß dem Oberbegriff des Patentanspruchs 1. Eine derartige Einrichtung ist z.B. in der Europäischen Patentanmeldung 424 664 A2 im Zusammenhang mit Patentanspruch 9 beschrieben.The invention relates to a device according to the preamble of
Bei dieser Einrichtung wird, gemäß einem Ausführungsbeispiel, von zwei unabhängig voneinander betriebenen, jeweils unterschiedlichen Fahrtrichtungen zugeordneten Linienleiterschleifen jeweils diejenige aktiv geschaltet, welche Steuerungsinformation für die Fahrtrichtung überträgt, in der die jeweils beabsichtigte Zugfahrt erfolgen soll. Das Bordsteuergerät eines Fahrzeuges empfängt somit immer nur Steuerungsinformation für eine Fahrtrichtung. Dennoch ist es aus Sicherheitsgründen erforderlich, auf dem Fahrzeug zu prüfen, ob von der Strecke her übertragene Steuerungsinformation wirklich der eigenen Fahrtrichtung, die z.B. aus dem Drehsinn der Räder bestimmt werden kann, zugeordnet ist. Eine solche Prüfung ist aber nur möglich, wenn die Zuordnung zu einer Fahrtrichtung auch aus der empfangenen Steuerungsinformation selbst erkennbar ist.In this device, according to one exemplary embodiment, of two independently operated line conductor loops, each assigned to different directions of travel, the one which transmits control information for the direction of travel in which the intended train journey is to take place is activated. The on-board control unit of a vehicle therefore only ever receives control information for one direction of travel. Nevertheless, for safety reasons, it is necessary to check on the vehicle whether control information transmitted from the route is really assigned to the driver's own direction of travel, which can be determined, for example, from the direction of rotation of the wheels. However, such a check is only possible if the assignment to a direction of travel can also be recognized from the control information itself.
In Systemen der Linienzugbeeinflussung mit ständigem Informationsaustausch ist es üblich, die Linienleiterschleifen fortlaufend zu numerieren, die jeweilige Nummer als Bereichskennung auf die Fahrzeuge zu übertragen und zusätzlich dem Fahrzeug die Zählrichtung dieser Bereichskennungen mitzuteilen. Aus zwei nacheinander empfangenen, verschiedenen Bereichskennungen kann das Fahrzeug danach seine Fahrtrichtung bestimmen und mit der aus dem Drehsinn der Räder ermittelten Fahrtrichtung vergleichen.In systems for influencing lines with constant exchange of information, it is common to number the line conductor loops consecutively, to transfer the respective number to the vehicles as an area identifier and to also inform the vehicle of the counting direction of these area identifiers. The vehicle can then determine its direction of travel from two successively received different area identifiers and compare it with the direction of travel determined from the direction of rotation of the wheels.
Ein solches Numerierungssystem ist recht kompliziert und erfordert einen hohen Programmierungsaufwand auf den Fahrzeugen. Bei Ausfall einer Linienleiterschleife verliert das Fahrzeug die Zuordnung der Bereichskennungen und kann erst nach Überfahren von zwei neuen Schleifen die übertragene Information wieder der Fahrtrichtung zuordnen und damit deren Gültigkeit prüfen.Such a numbering system is quite complicated and requires a lot of programming on the vehicles. If a line conductor loop fails, the vehicle loses the assignment of the area IDs and can only assign the transmitted information to the direction of travel again after crossing two new loops and thus check their validity.
Wie in Anspruch 10 der o.g. Europäischen Patentanmeldung angegeben, kann, gemäß einem anderen Ausführungsbeispiel, die Linienleiterschleife auch mehrfach und in unsymmetrischem Abstandsraster gekreuzt sein und das Fahrzeug kann Einrichtungen zur Kreuzungsstellenerkennung und zur Messung des zwischen den Kreuzungsstellen zurückgelegten Weges besitzen. Dann ist die Fahrtrichtung aus der Folge der Phasenwechsel des Empfangssignals zu ermitteln.As in claim 10 of the above. According to the European patent application, according to another exemplary embodiment, the line conductor loop can also be crossed several times and in an asymmetrical spacing grid, and the vehicle can have devices for detecting intersections and for measuring the distance traveled between the intersections. Then the direction of travel is to be determined from the sequence of the phase change of the received signal.
Derartige Schleifen dürfen eine Mindestlänge, die zur sicheren Erfassung der Kreuzungsstellenabstände erforderlich ist, nicht unterschreiten. Eine Verlegung solcher Schleifen in räumlich beengten Streckenbereichen wie z.B. in Bahnhöfen macht deshalb oft Schwierigkeiten. Außerdem erfordert eine sichere Kreuzungsstellenerkennung und die Ermittlung der Kreuzungsstellenabstände aufwendige Meßtechnik auf den Fahrzeugen.Such loops must not be less than a minimum length that is required for the safe detection of the intersection distances. Laying such loops in confined areas such as train stations often causes difficulties. In addition, reliable intersection detection and the determination of the intersection distances require complex measurement technology on the vehicles.
Es ist Aufgabe der Erfindung, eine Einrichtung der eingangs angegebenen Art zu schaffen, die eine sichere und auf dem Fahrzeug überprüfbare Fahrtrichtungsvorgabe ohne ein aufwendiges Numerierungsverfahren und ohne die Verlegung asymmetrisch gekreuzter Linienleiterschleifen ermöglicht.It is an object of the invention to provide a device of the type specified at the outset which enables a safe and verifiable travel direction specification on the vehicle without a complex numbering method and without the laying of asymmetrically crossed line conductor loops.
Diese Aufgabe wird durch die im kennzeichnenden Teil des Patentanspruchs 1 angegebenen Merkmale gelöst.This object is achieved by the features specified in the characterizing part of
Durch die Vergabe von festen Kennungen für die beiden Linienleiterschleifen einer Linienleiterschleifenanordnung wird dem Fahrzeug ermöglicht, aus der Reihenfolge des Empfangs der beiden Kennungen die zugeordnete Fahrtrichtung zu ermitteln und die am selben Streckenort empfangene Information auf Gültigkeit für seine Fahrtrichtung zu prüfen und für die Weiterfahrt zu verwenden.The assignment of fixed identifiers for the two line conductor loops of a line conductor loop arrangement enables the vehicle to determine the assigned direction of travel from the order in which the two identifiers are received and to check the information received at the same route location for validity for its direction of travel and to use it for the next journey .
Die Verlegung von mindestens zwei Linienleiterschleifen im Bereich eines Streckenortes gestattet die Unterbringung der zum Betrieb der beiden Schleifen notwendigen Baugruppen in einem Gehäuse und die Verwendung gemeinsamer Baugruppen wie z.B. der Stromversorgung für beide Schleifen. Darüber hinaus kann die Übertragung wichtiger Information redundant über beide Schleifen vorgenommen werden, so daß z.B. ein einschränkender Signalbegriff auch dann noch übertragen wird, wenn eine der Linienleiterschleifen ausgefallen ist.The laying of at least two line conductor loops in the area of a route location allows the modules required to operate the two loops to be accommodated in one housing and the use of common modules such as the power supply for both loops. In addition, the transmission of important information can be carried out redundantly over both loops, so that e.g. a restrictive signal term is still transmitted even if one of the line conductor loops has failed.
Weiterbildungen der Einrichtung nach der Erfindung sind in den Unteransprüchen angegeben.Further developments of the device according to the invention are specified in the subclaims.
So betrifft Anspruch 2 die Aufbereitung und Speicherung der zu übertragenden festen und der sich abhängig vom Signalaspekt ändernden Informationen im Streckengerät, wie sie im eingangs genannten Stand der Technik für einen mit nur einer Linienleiterschleife ausgestatteten Signalstandort beschrieben sind.Claim 2 relates to the preparation and storage of the fixed information to be transmitted and the information which changes depending on the signal aspect in the route device, as described in the prior art cited at the beginning for a signal location equipped with only one line conductor loop.
Anspruch 3 gibt eine Möglichkeit wieder, durch Einführung verschiedener Datentelegrammtypen, von denen einer über beide Schleifen ausgegeben und auf den Fahrzeugen unabhängig von der Fahrtrichtung ausgewertet wird, wichtige Information redundant zu übertragen.Claim 3 shows a possibility of redundantly transmitting important information by introducing different data telegram types, one of which is output via both loops and evaluated on the vehicles independently of the direction of travel.
Eine in Anspruch 4 angegebene Ausgestaltung sieht unterschiedliche Übertragungsfrequenzen für die beiden verschiedenen Fahrtrichtungen vor. Damit kann die Zuordnung der von einer Linienleiterschleife ausgesendeten Information zu einer Fahrtrichtung noch sicherer und auch dann noch bestimmt werden, wenn die andere Linienleiterschleife ausgefallen ist.An embodiment specified in claim 4 provides different transmission frequencies for the two different directions of travel. The assignment of the information sent out by a line conductor loop to a direction of travel can thus be determined even more reliably and even if the other line conductor loop has failed.
Mit einer in Anspruch 5 beschriebenen Weiterbildung der Erfindung kann ein Fahrzeug von einem bevorstehenden Wechsel der Zuordnung einer Frequenz zu einer Fahrtrichtung in Kenntnis gesetzt werden. Solche Zuordnungswechsel sind z.B. notwendig, wenn ein Fahrzeug ohne selbst seine Fahrtrichtung zu ändern, etwa nach einer Wendeschleife, eine zuvor befahrene Strecke in umgekehrter Richtung befährt.With a further development of the invention described in claim 5, a vehicle can be informed of an impending change in the assignment of a frequency to a direction of travel. Such assignment changes are e.g. Necessary if a vehicle travels a previously traveled route in the opposite direction without changing its direction of travel, for example after a turning loop.
Anspruch 6 betrifft die Anordnung der Linienleiterschleifen im Bereich eines Signalstandortes in bezug auf das Signal. Eine solche Anordnung stellt sicher, daß bei rot zeigendem Signal eine Zwangsbremsung wie vorgeschrieben am Signalstandort ausgelöst wird.Claim 6 relates to the arrangement of the line conductor loops in the area of a signal location in relation to the signal. Such an arrangement ensures that in the event of a red signal, emergency braking is triggered as prescribed at the signal location.
Anspruch 7 ermöglicht die Nutzung des beim Übergang zwischen den Linienleiterschleifen erfolgenden Kennungswechsels als Ortungsbezugspunkt.Claim 7 enables the use of the change of identifier that occurs during the transition between the line conductor loops as a location reference point.
Anspruch 8, sieht bei Betrieb mit unterschiedlichen Frequenzen eine teilweise Überlappung der beiden Schleifen vor. Dies hat den Vorteil einer geringeren Ausdehnung der Linienleiterschleifenanordnung unter Beibehaltung der Möglichkeit zur Fahrtrichtungsbestimmung aus der Reihenfolge der Schleifenkennungen.Claim 8, provides for a partial overlap of the two loops when operating at different frequencies. This has the advantage of a smaller extension of the Line conductor loop arrangement while maintaining the possibility of determining the direction of travel from the sequence of the loop identifications.
Anspruch 9 verhindert eine Auswertung von für die Gegenrichtung bestimmten Datentelegrammen bei Ausfall einer Linienleiterschleife innerhalb einer der Gegenrichtung zugeordneten Linienleiterschleifenanordnung.Claim 9 prevents an evaluation of data telegrams intended for the opposite direction in the event of failure of a line conductor loop within a line conductor loop arrangement assigned to the opposite direction.
Anhand von 4 Figuren soll nun die Einrichtung nach der Erfindung beschrieben und ihre Wirkungsweise erklärt werden.
- Fig. 1
- zeigt eine aus zwei Linienleiterschleifen bestehende Linienleiterschleifenanordnung,
- Fig. 2
- zeigt den Aufbau eines Datentelegrammes,
- Fig. 3
- zeigt zwei einander überlappende Linienleiteranordnungen mit je zwei Linienleiterschleifen,
- Fig. 4
- zeigt eine Linienleiterschleifenanordnung mit zwei einander überlappenden Linienleiterschleifen.
- Fig. 1
- shows a line conductor loop arrangement consisting of two line conductor loops,
- Fig. 2
- shows the structure of a data telegram,
- Fig. 3
- shows two overlapping line conductor arrangements, each with two line conductor loops,
- Fig. 4
- shows a line conductor loop arrangement with two overlapping line conductor loops.
In Fig. 1 sind schematisch zwei Linienleiterschleifen S1, S2 dargestellt, die zusammen eine Linienleiterschleifenanordnung bilden. Die beiden Linienleiterschleifen sind, in Fahrtrichtung FR gesehen, recht der Gleismitte, hintereinander im Gleis GL verlegt. Eine an jedem zu steuernden Fahrzeug in Gleismittenposition befindliche Empfangsantenne FA nimmt, wenn sie sich über die Linienleiterschleifenanordnung hinwegbewegt, jeweils das Magnetfeld des in Gleismitte verlaufenden Leiters jeder Linienleiterschleife auf und führt eine durch das Magnetfeld dieses Leiters induzierte Spannung einem Empfangsteil des Bordsteuergerätes des Fahrzeugs zur Auswertung zu.In Fig. 1, two line conductor loops S1, S2 are shown schematically, which together form a line conductor loop arrangement. The two line conductor loops are, seen in the direction of travel FR, right of the middle of the track, one behind the other in the track GL. A receiving antenna FA located in the middle of the track on each vehicle to be controlled picks up the magnetic field of the conductor of each line conductor loop running in the middle of the track as it moves over the line conductor loop arrangement and carries a voltage induced by the magnetic field of this conductor to a receiving part of the vehicle's on-board control unit for evaluation to.
Die beiden Linienleiterschleifen werden aus einem Streckengerät SE mit einem Sendesignal gespeist, das z.B. wie bei der Linienzugbeeinflussung ein frequenzumgetastetes Hochfrequenzsignal im Frequenzbereich zwischen 20 und 100 kHz sein kann. Die Energieversorgung des Streckengerätes erfolgt über eine Speisezuleitung SP. Die zu übertragende Information ist wie beim eingangs genannten Stand der Technik, in Form von Datentelegrammen in Speichern des Streckengeräte gespeichert. Mehrere Typen von Datentelegrammen werden für beide Schleifen unabhängig voneinander bereitgehalten und den Schleifen unabhängig voneinander zugeführt. Befindet sich die Linienleiterschleifenanordnung am Standort eines Signals SIG, so erfolgt die Datentelegrammauswahl abhängig von dem am Signal eingestellten Signalbegriff. Der eingestellte Signalbegriff wird hierzu in codierter Form über eine Signalbegriffszuleitung SI dem Streckengerät zugeführt.The two line conductor loops are fed from a line device SE with a transmission signal which e.g. how a frequency-shift-keyed high-frequency signal in the frequency range between 20 and 100 kHz can be when influencing the lines. The line device is supplied with energy via a supply line SP. As in the prior art mentioned at the outset, the information to be transmitted is stored in the form of data telegrams in memories of the line devices. Several types of data telegrams are kept available for both loops independently of one another and fed to the loops independently of one another. If the line conductor loop arrangement is at the location of a signal SIG, the data telegram is selected depending on the signal term set on the signal. For this purpose, the set signal term is supplied in coded form to the route device via a signal term feed line SI.
In Fig. 2 ist ein Datentelegramm in seinem Aufbau wiedergegeben. Es besteht aus einem Telegrammkopf TK, der der Synchronisation und Telegrammerkennung dient. Nachfolgend enthält es einen Kennungsteil KE, der neben einer Speicherkennung eine Schleifenkennung enthält. Die Schleifenkennungen sind den Schleifen einer Linienleiterschleifenanordnung immer so zugeordnet, daß ihre Reihenfolge einer bestimmten Fahrtrichtung entspricht. So empfängt z.B. ein in Fig. 1 in Fahrtrichtung FR bewegtes Fahrzeug zuerst die Kennung 1 der ersten Linienleiterschleife S1, und dann die Kennung 2 der zweiten Linienleiterschleife S2. Die Reihenfolge 1, 2 der empfangenen Kennungen entspricht der Fahrtrichtung FR, die z.B. die Hauptfahrtrichtung ist. Würde das Fahrzeug die Kennungsreihenfolge 2, 1 empfangen, würde es daraus entnehmen, daß die übertragene Information nicht für seine Fahrtrichtung bestimmt ist und nicht berücksichtigt werden darf.2 shows a data telegram in its structure. It consists of a telegram header TK, which is used for synchronization and telegram recognition. In the following, it contains an identifier part KE, which contains a loop identifier in addition to a memory identifier. The loop identifiers are always assigned to the loops of a line conductor loop arrangement in such a way that their sequence corresponds to a specific direction of travel. For example, a vehicle moving in the direction of travel FR in FIG. 1 first receives the
Nach dem Kennungsteil folgt im Datentelegramm ein Informationsteil IT mit Nutzinformation, deren Zusammensetzung vom Datentelegrammtyp abhängt. Schließlich wird das Datentelegramm mit einem Redundanzteil R, der der Sicherung gegen Übertragungsfehler dient, abgeschlossen. Die einzelnen Datentelegrammtypen unterscheiden sich in ihrem Informationsteil. Sie werden in vorgegebener Folge auf eine oder auch beide Linienleiterschleifen ausgegeben. Information, die für eine Fahrt unbedingt erforderlich ist (z.B. Signalinformation), wird in einem speziellen Datentelegrammtyp zusammengefaßt, der über beide Schleifen einer Linienleiterschleifenanordnung ausgegeben wird und damit auch dann auf ein Fahrzeug gelangt, wenn eine Schleife ausgefallen ist. Da die Linienleiterschleifen erfahrungsgemäß den störungsempfindlichsten Teil der gesamten Einrichtung darstellen, wird durch die Übertragung der Grundinformation über beide Schleifen die Zuverlässigkeit der Einrichtung beträchtlich erhöht.After the identifier part, an information part IT with useful information follows in the data telegram, the composition of which depends on the data telegram type. Finally, the data telegram is terminated with a redundancy part R, which is used to protect against transmission errors. The individual data telegram types differ in their information part. They are output in a specified sequence on one or both line conductor loops. Information that is absolutely necessary for a journey (e.g. signal information) is summarized in a special data telegram type that is output via both loops of a line conductor loop arrangement and thus reaches a vehicle even if one loop has failed. Since experience has shown that the line conductor loops represent the most fault-sensitive part of the entire device, the reliability of the device is considerably increased by transmitting the basic information about both loops.
Auf Bahnstrecken mit Gleiswechselbetrieb müssen für beide Fahrtrichtungen Linienleiterschleifenanordnungen vorgesehen werden. Die in Fig. 1 dargestellte Anordnung läßt sich problemlos zusätzlich für die Gegenrichtung installieren, sofern die für die verschiedenen Richtungen maßgebenden Signale so weit voneinander entfernt stehen, daß beide Linienleiterschleifenanordnungen im Gleis Platz haben, ohne daß sich ihre Wirkbereiche überlappen.Line conductor loop arrangements must be provided for both directions of travel on railway lines with track change operation. The arrangement shown in Fig. 1 can be easily installed for the opposite direction, provided the signals for the different directions are so far apart that both line conductor loop arrangements have space in the track without their effective areas overlapping.
Durch die oben beschriebene fahrtrichtungsbezogene Datentelegrammauswertung auf den Fahrzeugen bleiben Datentelegramme, die für die andere Fahrtrichtung ausgegeben werden, unberücksichtigt.Due to the data telegram evaluation on the vehicles described in the direction of travel, data telegrams that are output for the other direction of travel are disregarded.
In Fig. 3 sind zwei Linienleiterschleifenanordnungen S11, S12; S21, S22 dargestellt, deren Wirkbereiche sich, bedingt durch dicht beieinanderliegende Signalstandorte für die beiden Fahrtrichtungen, überlappen. Eine Informationsübertragung über zwei sich überlappende Linienleiterschleifen ist problemlos dann möglich, wenn beide Schleifen mit verschiedenen Frequenzen betrieben werden. Das Streckengerät SE 1, 2 speist demnach in der in Fig. 3 gezeigten Anordnung die Linienleiterschleifen S11 und S12 mit einer ersten Frequenz F1 und die Linienleiterschleifen S21 und S22 mit einer zweiten Frequenz F2. Wird die Fahrzeugantenne breitbandig genug ausgelegt, so können die Fahrzeuge mit einer Antenne beide Frequenzen empfangen. Der Fahrzeugempfänger wird zum Empfang der für die jeweilige Fahrtrichtung maßgeblichen Frequenz auf diese eingestellt. Dies gestaltet sich dann besonders einfach, wenn der Empfänger so aufgebaut ist, daß er zwei Oszillatorfrequenzen erzeugt, die den beiden Empfangsfrequenzen zugeordnet sind und bei Mischung mit der jeweils zugeordneten Empfangsfrequenz die gleiche Zwischenfrequenz ergeben. Die Umschaltung des Empfängers zwischen den Empfangsfrequenzen F1 und F2 kann dann leicht mittels Durchschaltung der jeweils zugeordneten Oszillatorfrequenz auf die Mischstufe des Empfängers erfolgen.3 shows two line conductor loop arrangements S11, S12; S21, S22 are shown, whose effective areas overlap due to the signal locations for the two directions of travel which are close together. An information transfer over two yourself Overlapping line conductor loops are easily possible if both loops are operated at different frequencies. The
Die Umschaltung der Empfangsfrequenz kann vor Beginn einer Fahrt erfolgen, sofern entlang der vorausliegenden Strecke an allen Linienleiterschleifenanordnungen der vorgesehenen Fahrtrichtung dieselbe Frequenz zugeordnet ist. Wechselt die der Fahrtrichtung jeweils zugeordnete Frequenz entlang der vom Fahrzeug zu befahrenden Strecke (wie z.B. in Wendeschleifen oder in vermaschten Streckennetzen nicht zu vermeiden), so kann eine Umschaltung des Empfängers auf eine andere Empfangsfrequenz auch durch einen über die vorhergehende Linienleiterschleifenanordnung übertragenen Umschaltbefehl ausgelöst werden.The reception frequency can be switched over before the start of a journey, provided the same frequency is assigned to the intended direction of travel on all line conductor loop arrangements along the route ahead. If the frequency assigned to the direction of travel changes along the route to be traveled by the vehicle (such as cannot be avoided in turning loops or meshed route networks), the receiver can also be switched to a different reception frequency by a switching command transmitted via the previous line conductor loop arrangement.
Fig. 4 zeigt eine Linienleiterschleifenanordnung für eine Fahrtrichtung mit überlappten Linienleiterschleifen S1, S2. Hier werden beide Schleifen mit unterschiedlichen Frequenzen betrieben. Der Fahrzeugempfänger muß für den gleichzeitigen Empfang zweier Frequenzen zweikanalig ausgelegt sein oder beide Frequenzen zeitmultiplex auswerten. Der Vorteil einer solchen Anordnung gegenüber der in Fig. 1 dargestellten Anordnung ist ihre geringe räumlich Ausdehnung.4 shows a line conductor loop arrangement for a direction of travel with overlapped line conductor loops S1, S2. Here both loops are operated at different frequencies. The vehicle receiver must be designed for the simultaneous reception of two frequencies on two channels or both frequencies evaluate time multiplex. The advantage of such an arrangement over the arrangement shown in FIG. 1 is its small spatial extent.
Claims (9)
- Device for transmitting control information to on-board control equipment of rail vehicles with the aid of a track-conductor loop arrangement situated in the region of a predetermined track location, in particular a signal location, and fed from wayside equipment, said track-conductor loop arrangement being assigned to a specific direction of travel and transmitting control information assigned to said direction of travel,
characterized in that the track-conductor loop arrangement comprises two track-conductor loops (S1, S2) which are laid in the track (GL) one behind the other in the longitudinal direction of the track, that each track-conductor loop, together with the control information it is to transmit, transmits a loop identifier which differs from the loop identifier of the other track-conductor loop of the track-conductor loop arrangement, that the order of the two loop identifiers within the track-conductor loop arrangement is fixed in relation to a specific direction of travel (FR) and that the on-board control equipment of the rail vehicles regard received control information as valid only when the respective direction being travelled by the vehicle corresponds to the direction of travel deducible from the order of the loop identifiers. - Device according to claim 1, characterized in that the control information is transmitted in the form of data messages previously stored in the wayside equipment (SE) and that the data messages contain location-specific data and data relating to various signal aspects and are selected and output in dependence upon the valid signal aspect.
- Device according to claim 2, characterized in that each track-conductor loop in succession transmits a plurality of data messages of differing type, that essential basic information is transmitted within one type of data message and that the vehicles evaluate data messages of said type even when the direction of travel may not be determined from the order of the loop identifiers.
- Device according to one of the preceding claims, characterized in that different frequencies are assigned to the two directions of travel, that all of the track-conductor loop arrangements along a line which are assigned to the same direction of travel are fed with the frequency assigned to said direction of travel and that the on-board equipment of the vehicles has receivers which are adjustable to the frequencies assigned to the directions of travel.
- Device according to claim 4, characterized in that the control information transmitted by a track-conductor arrangement contains an indication of which frequency is valid, at the location of the next track-conductor arrangement in the direction of travel, for said direction of travel.
- Device according to one of the preceding claims, characterized in that in track-conductor arrangements situated at signal locations the track-conductor loops (S1, S2) are laid, in the longitudinal direction of the track, in front of and behind the signal (SIG).
- Device according to one of claims 1 to 6, characterized in that the change of identifier is used as a reference point for on-board position measurement.
- Device according to claim 4, characterized in that the track-conductor loops (S11, S12; S21, S22) of two track-conductor loop arrangements are disposed in the track (GL) in such a way that their effective ranges overlap.
- Device according to one of the preceding claims, characterized in that the location and transmitting frequency of a track-conductor loop arrangement are in each case preannounced within the data messages transmitted via the preceding track-conductor loop arrangement.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4132786 | 1991-10-02 | ||
| DE4132786A DE4132786A1 (en) | 1991-10-02 | 1991-10-02 | DEVICE FOR INDUCTIVE TRANSMISSION OF CONTROL INFORMATION TO RAIL VEHICLES |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0535549A2 EP0535549A2 (en) | 1993-04-07 |
| EP0535549A3 EP0535549A3 (en) | 1994-03-23 |
| EP0535549B1 true EP0535549B1 (en) | 1995-05-31 |
Family
ID=6441972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92116427A Expired - Lifetime EP0535549B1 (en) | 1991-10-02 | 1992-09-25 | System for inductively transmitting control information to railway vehicles |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0535549B1 (en) |
| AT (1) | ATE123261T1 (en) |
| DE (2) | DE4132786A1 (en) |
| ES (1) | ES2075561T3 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4403981A1 (en) * | 1994-02-09 | 1995-08-10 | Sel Alcatel Ag | System for transferring control data to track-bound vehicles |
| DE4436011B4 (en) * | 1994-10-08 | 2009-05-14 | Alcatel Sel Ag | System for controlling lane-bound vehicles with improved vehicle location |
| DE19549284C2 (en) * | 1995-12-22 | 2002-12-05 | Siemens Ag | train control device |
| DE19549285C2 (en) * | 1995-12-22 | 2002-09-19 | Siemens Ag | train control device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1235367B (en) * | 1964-06-19 | 1967-03-02 | Siemens Ag | Device for determining directions of movement for rail-mounted traction vehicles |
| DE1605863A1 (en) * | 1968-01-17 | 1971-01-21 | Licentia Gmbh | Method for the automatic control of vehicles in a rail network |
| CA854797A (en) * | 1968-08-30 | 1970-10-27 | Claes Joseph | Device for detecting the position of a railway vehicle on a track |
| DE2920181A1 (en) * | 1979-05-17 | 1980-11-27 | Licentia Gmbh | Trackless vehicle route signalling system - using guide cable with coded loops for each station producing unique identification codes |
| DE3118421A1 (en) * | 1981-05-09 | 1982-12-02 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Device for securing and controlling rail vehicles |
| DE3935809A1 (en) * | 1989-10-27 | 1991-05-02 | Standard Elektrik Lorenz Ag | DEVICE FOR TRANSFERRING CONTROL INFORMATION TO A RAIL VEHICLE |
-
1991
- 1991-10-02 DE DE4132786A patent/DE4132786A1/en not_active Withdrawn
-
1992
- 1992-09-25 AT AT92116427T patent/ATE123261T1/en active
- 1992-09-25 EP EP92116427A patent/EP0535549B1/en not_active Expired - Lifetime
- 1992-09-25 ES ES92116427T patent/ES2075561T3/en not_active Expired - Lifetime
- 1992-09-25 DE DE59202391T patent/DE59202391D1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE59202391D1 (en) | 1995-07-06 |
| ES2075561T3 (en) | 1995-10-01 |
| EP0535549A2 (en) | 1993-04-07 |
| EP0535549A3 (en) | 1994-03-23 |
| ATE123261T1 (en) | 1995-06-15 |
| DE4132786A1 (en) | 1993-04-08 |
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