EP3286061A1 - Level crossing safety system and method for controlling a level crossing safety system - Google Patents

Level crossing safety system and method for controlling a level crossing safety system

Info

Publication number
EP3286061A1
EP3286061A1 EP16726094.2A EP16726094A EP3286061A1 EP 3286061 A1 EP3286061 A1 EP 3286061A1 EP 16726094 A EP16726094 A EP 16726094A EP 3286061 A1 EP3286061 A1 EP 3286061A1
Authority
EP
European Patent Office
Prior art keywords
level crossing
track circuit
wheel sensor
level
crossing
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
EP16726094.2A
Other languages
German (de)
French (fr)
Other versions
EP3286061B1 (en
Inventor
Hartmut Gückel
Christoph Kutschera
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 Mobility GmbH
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to PL16726094T priority Critical patent/PL3286061T3/en
Publication of EP3286061A1 publication Critical patent/EP3286061A1/en
Application granted granted Critical
Publication of EP3286061B1 publication Critical patent/EP3286061B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00—Safety means for rail/road crossing traffic
    • B61L29/08—Operation of gates; Combined operation of gates and signals
    • B61L29/18—Operation by approaching rail vehicle or train
    • B61L29/22—Operation by approaching rail vehicle or train electrically
    • B61L29/226—Operation by approaching rail vehicle or train electrically using track-circuits, closed or short-circuited by train or using isolated rail-sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00—Safety means for rail/road crossing traffic
    • B61L29/08—Operation of gates; Combined operation of gates and signals
    • B61L29/18—Operation by approaching rail vehicle or train
    • B61L29/22—Operation by approaching rail vehicle or train electrically
    • B61L29/222—Operation by approaching rail vehicle or train electrically using conductor circuits with separate contacts or conductors

Definitions

  • the invention relates to a level crossing safety system with a level crossing controller for controlling any safety devices and a method for controlling such a level crossing safety system.
  • Such switching means are based predominantly on wheel sensors, axle counting devices, loops or track circuits. Line conductor loops and other switching devices are also commonly used.
  • the invention has for its object to provide a level crossing safety system and a method for its control, which allow a higher level of security, where ⁇ is to strive for the lowest possible cabling. According to the invention the object is achieved in that the
  • the object is also achieved by a method in which it is provided that at least one track circuit and a wheel sensor switch min ⁇ least the level crossing controller independently.
  • the occupancy information of the track circuit and the over-travel of the wheel sensor are used as two-channel diverse information for activating the level crossing protection system.
  • the diverse sources ga ⁇ antee the independence of the control signals, at the same a mutual error revelation is possible in time.
  • Even in low Bettungseigenschaften and / or track circuits unfavorable vehicle situations is due to the two-channel means of wheel sensor and track circuit egg ne high availability of the whole system and the Accessible ⁇ ness of a security level of SIL 3 or SIL 4.
  • the United S ⁇ supply of Gleisstrom Vietnamese- and wheel sensor control also enables cost-effective design of crossing protection systems both in AREMA markets and in CENELEC markets.
  • the track circuit is formed as an audio frequency track circuit with data transfer function and the wheel sensor is connected upstream in the direction of the railroad crossing, wherein the wheel sensor is connected to the transmitter of the track circuit.
  • the track circuit he ⁇ stretches it over the entire approximate range from switch-on of the safety devices to the level crossing controller. At this switch-on is the transmitter of the track circuit to which the wheel sensor is connected ⁇ .
  • the wheel sensor is mounted at a certain distance in front of the transmitter and wired up to this. In this way, the track circuit is used as a transmission medium for the signal of the wheel sensor to the level crossing controller, so that a complete wiring from the wheel sensor to the level crossing controller is unnecessary.
  • the property of the audio frequency track circuit is exploited to provide a transfer function of a few bits. After crossing the rail vehicle via the wheel sensor, this information is forwarded via the track circuit to the level crossing controller. After that it reaches
  • Rail vehicle which reports to the lane ⁇ transition controller quasi as a second channel, the assignment information.
  • the information transmission from the first channel namely that of the wheel sensor signal, is interrupted by the track circuit. If one of these two channels or the transfer function should fail, lies an error occurs and the level crossing protection system switches to the safe failure state.
  • identifier to substitution therapiesser- and velocity detection of an approaching the level crossing rail vehicle there is provided a Zeitdifferenzmes ⁇ solution between the vehicle passages more wheel sensors and / or a wheel sensor and the transmitter of the Gleisstromkrei ⁇ ses, wherein the switch-on of the securing means is dependent on the determined speed by the level crossing controller.
  • This functionality which is increasingly required by railway operators, makes it possible in some cases to considerably reduce the waiting times of road users at the level crossing.
  • the level crossing system is activated independently of the vehicle speed in a largely constant closing time before the arrival of the rail vehicle at the level crossing. This feature is known as> constant warning time ⁇ .
  • the blocking time of the level crossing is thus optimized and shortened, especially in the case of very slow rail vehicles.
  • At least one additional track circuit is provided for driving at least one track-side signal.
  • This special track circuit provides data transfer in the reverse direction, ie from the level crossing controller to the signal.
  • the trackside signal serves as a monitoring ⁇ signal and is only set to continue if the level crossing is secured.
  • the track circuit be ⁇ tion
  • the transmitter can be activated upon passage of a wheel sensor and deactivated upon passage of the level crossing controller.
  • the track circuit is thus activated only during the time required functionality and disabled during the rest of the time, especially in one Sleep mode switched. This results in a reduction of the decentralized energy requirement.
  • Figure 1 shows the operating principle of a level crossing Siche ⁇ assurance system
  • Figure 2 shows a second configuration of the Bruübergangssi ⁇ assurance system of Figure 1 and
  • FIG. 3 shows a third configuration of the Bruübergangssi ⁇ assurance system according to FIG. 1
  • Figure 1 illustrates the essential components of a basic configuration of the claimed level crossing system.
  • the railroad crossing 1 is secured on both sides by barriers 2 and warning signals 3 in thisbrooksbei ⁇ game.
  • the safety devices 2, 3 are controlled by a level crossing controller 4.
  • the partssinformati ⁇ ones of the level crossing controller 4, namely, whether a shift ⁇ nen poverty approaches the level crossing, 1 are generated by an audio frequency track circuit 5, and a wheel sensor. 6
  • the wheel sensor 6 is connected upstream of the track circuit 5 in the direction of the railroad crossing 1, so that the wheel sensor 6 is passed by a rail vehicle approaching the railroad crossing 1 in front of the track circuit 5.
  • the wheel sensor is connected via a signal line 7 to a transmitter 8 of the track circuit 5.
  • the vehicle passage of the wheel sensor 6 is first forwarded to the train ⁇ transition controller 4 as a turn-on signal.
  • the track circuit 5 functions in the formation of this first Sprinttra ⁇ supply channel only as a transmission medium. Only when the rail vehicle passes the transmitter side 8 of the DC circuit 5, the track circuit 5 is closed and generated in turn, a drive signal for the Bahnübergangscontrol ⁇ ler 4. This results in a second turn-on, which activates the level crossing controller 4 regardless of the Radsensor-turn-on.
  • the edge sensor signal is preferably underbro ⁇ chen.
  • FIG. 2 shows an extension of the basic configuration according to FIG. 1.
  • a further audio frequency track circuit 10 is provided, which is connected to the track transition controller 4 at the transmitter end 11 and to a track-side signal 13 at the receiver 12.
  • This monitoring signal 13 is provided by the level crossing controller 4 only on free ride when the security devices 2, 3 of the railroad crossing 1 have shut off the road. This results in a saving in signal cabling.
  • FIG. 3 shows an embodiment with two wheel sensors 6 and 14 which are spaced apart from each other and which transmit via the track circuit transmitter 8 and the track circuit 5 timewise passage information to the level crossing controller 4.
  • This dual-wheel sensor configuration also offers increased safety of the overall system.
  • the embodiments according to FIG. 2 and FIG. 3 can be combined with one another, whereby additional track circuits and / or wheel sensors can additionally be incorporated.
  • All configurations also offer the possibility of determining the speed of the rail vehicle by Time measurement from the first wheel sensor 6 to the transmitter 8 of the first track circuit 5 and / or from the other wheel sensor 14 to the first wheel sensor 6, so that the level crossing controller 4, the safety devices 2, 3 of the railroad crossing 1 can turn on speed dependent. This results in a time-optimized switch-on with a constant switch-on time and, above all, a shortening of the waiting times of the road users before the level crossing 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

The invention relates to a level crossing safety system comprising a level crossing controller (4) for controlling any safety devices (2, 3), and to a method for controlling such a level crossing safety system. In order to achieve with little effort, in particular with little cable wiring, a higher safety level, it is provided that the level crossing controller (4) can be switched on by at least one current track circuit (5) and at least one wheel sensor (6, 14).

Description

Beschreibung description
Bahnübergangssicherungssystem und Verfahren zur Ansteuerung eines BahnübergangssicherungsSystems Level crossing protection system and method for controlling a level crossing protection system
Die Erfindung betrifft ein Bahnübergangssicherungssystem mit einem Bahnübergangscontroller zur Steuerung beliebiger Sicherungseinrichtungen sowie ein Verfahren zur Ansteuerung eines derartigen Bahnübergangssicherungssystems . The invention relates to a level crossing safety system with a level crossing controller for controlling any safety devices and a method for controlling such a level crossing safety system.
Zur Aktivierung beziehungsweise Ein- und Ausschaltung der Bahnübergangs-Sicherungseinrichtungen, insbesondere straßenseitiger Bahnschranken und Warnsignale und teilweise auch gleisseitiger Signale, sind technische Einrichtungen erfor- derlich, die die Annäherung eines Schienenfahrzeugs an denFor activating or activating and deactivating the level crossing safety devices, in particular roadside railway barriers and warning signals and partly also trackside signals, technical facilities are required, the approach of a rail vehicle to the
Bahnübergang erkennen. Derartige Schaltmittel basieren überwiegend auf Radsensoren, Achszähleinrichtungen, Schleifen oder Gleisstromkreisen. Gebräuchlich sind auch Linienleiter- schleifen und andere Schaltmittel. Detecting the railroad crossing. Such switching means are based predominantly on wheel sensors, axle counting devices, loops or track circuits. Line conductor loops and other switching devices are also commonly used.
Historisch bedingt werden in vielen NAFTA-Staaten, beispielsweise den USA, als Schaltmittel auf Basis von Gleisstromkrei¬ sen für die Ein- und Ausschaltung von Bahnübergängen verwendet. Die beispielsweise in der DE 10 2004 057 459 AI be- schriebenen Gleisstromkreise müssen den AREMA-Standard Historically, in many NAFTA countries, such as the US, used as switching means based on Gleisstromkrei ¬ sen for the switching on and off of level crossings. The track circuits described, for example, in DE 10 2004 057 459 A1 must meet the AREMA standard
Failsafe erfüllen, der hohe Anforderungen an die Gleisbeschaffenheit, insbesondere bezüglich Bettungswiderstand sowie an die Fahrzeugachsen, insbesondere bezüglich Achsneben- schluss, stellt. Die Anforderungen werden jedoch oft nicht erfüllt oder können, beispielsweise witterungsbedingt, nicht kontinuierlich erfüllt werden. Diese Funktionseinschränkungen bei Gleisstromkreisen führen teilweise dazu, dass Gleisstromkreise durch Achszähler ersetzt werden müssen, wodurch eine zusätzliche Verkabelung entlang der Bahnstrecke erforderlich ist.  Failsafe, the high demands on the track condition, in particular with regard to ballast resistance and to the vehicle axles, in particular with respect to axle shunt provides. However, the requirements are often not met or, for example due to weather conditions, can not be fulfilled continuously. These feature limitations in track circuits sometimes require track circuits to be replaced by axle counters, which requires additional cabling along the track.
In Europa hat sich eine andere Herangehensweise durchgesetzt. Bahnbetreiber fordern hohe Zuverlässigkeit und ein hohes Sicherheitslevel gemäß der CENELEC-Norn EN50129. In dieser Norm sind die Sicherheitslevel von SILO - signaltechnisch nicht sicher - bis SIL4 - signaltechnisch hochgradig sicher - definiert. Als Schaltmittel für die Sicherungseinrichtungen an Bahnübergängen werden häufig Achszählsysteme eingesetzt, wie beispielsweise in der DE 102 16 215 AI beschrieben. Ge¬ genüber anderen Sensoren besteht neben der höheren Zuverlässigkeit vor allem der Vorteil, dass gleis- und richtungsbezo- gene Ein- beziehungsweise Ausschaltung der Sicherungseinrich- tungen einfach realisierbar ist und eine kontinuierlicheIn Europe, a different approach has prevailed. Rail operators demand high reliability and a high level of performance Safety level according to CENELEC-Norn EN50129. In this standard, the safety levels of SILO - not safe in terms of signal technology - are defined to SIL4 - highly signal-safe. As switching means for the safety devices at level crossings axle counting systems are often used, as described for example in DE 102 16 215 AI. Ge ¬ genüber other sensors is in addition to the higher reliability especially the advantage that track and richtungsbezo- generate inputs or elimination of Sicherungseinrich- easy obligations can be realized and a continuous
Streckenüberwachung gewährleistet ist. Nachteilig ist neben den hohen Kosten für das Zählsystem vor allem der erhebliche Verkabelungsaufwand . Bekannt sind außerdem Funkanrückmelder auf der Basis von GSM- R. Das mit vertretbarem Aufwand erreichbare Sicherheitslevel ist bei der Funkübertragung jedoch sehr gering. Track monitoring is guaranteed. The disadvantage is in addition to the high cost of the counting especially the considerable amount of cabling. Also known radio detectors based on GSM-R achievable with reasonable effort security level is very low in radio transmission.
Der Erfindung liegt die Aufgabe zugrunde, ein Bahnübergangs- Sicherungssystem und ein Verfahren zu dessen Ansteuerung anzugeben, welche ein höheres Sicherheitslevel ermöglichen, wo¬ bei ein geringstmöglicher Verkabelungsaufwand anzustreben ist . Erfindungsgemäß wird die Aufgabe dadurch gelöst, dass derThe invention has for its object to provide a level crossing safety system and a method for its control, which allow a higher level of security, where ¬ is to strive for the lowest possible cabling. According to the invention the object is achieved in that the
Bahnübergangscontroller von mindestens einem Gleisstromkreis und von mindestens einem Radsensor einschaltbar ist. Railroad crossing controller of at least one track circuit and at least one wheel sensor is switched on.
Die Aufgabe wird auch durch ein Verfahren gelöst, bei dem vorgesehen ist, dass mindestens ein Gleisstromkreis und min¬ destens ein Radsensor den Bahnübergangscontroller unabhängig voneinander einschalten. The object is also achieved by a method in which it is provided that at least one track circuit and a wheel sensor switch min ¬ least the level crossing controller independently.
Auf diese Weise werden die Belegungsinformationen des Gleis- Stromkreises und die Überfahrung des Radsensors als zweikana- lige diversitäre Informationen zur Aktivierung des Bahnübergangsicherungssystems genutzt. Die diversitären Quellen ga¬ rantieren die Unabhängigkeit der Steuersignale, wobei gleich- zeitig eine gegenseitige Fehleroffenbarung ermöglicht wird. Auch bei schlechten Bettungseigenschaften und/oder für Gleisstromkreise ungünstigen Fahrzeugsituationen ergibt sich durch die Zweikanaligkeit mittels Radsensor und Gleisstromkreis ei- ne hohe Verfügbarkeit des Gesamtsystems und die Erreichbar¬ keit eines Sicherheitslevels von SIL3 oder SIL4. Die Vereini¬ gung von Gleisstromkreis- und Radsensor-Ansteuerung ermöglicht außerdem eine kosteneffiziente Konzeption von Bahnübergangssicherungssystemen sowohl in AREMA-Märkten als auch in CENELEC-Märkten. In this way, the occupancy information of the track circuit and the over-travel of the wheel sensor are used as two-channel diverse information for activating the level crossing protection system. The diverse sources ga ¬ antee the independence of the control signals, at the same a mutual error revelation is possible in time. Even in low Bettungseigenschaften and / or track circuits unfavorable vehicle situations is due to the two-channel means of wheel sensor and track circuit egg ne high availability of the whole system and the Accessible ¬ ness of a security level of SIL 3 or SIL 4. The United S ¬ supply of Gleisstromkreis- and wheel sensor control also enables cost-effective design of crossing protection systems both in AREMA markets and in CENELEC markets.
Gemäß Anspruch 2 ist vorgesehen, dass der Gleisstromkreis als Audio-Frequenz-Gleisstromkreis mit Datenübertragungsfunktion ausgebildet ist und dem Radsensor in Richtung zum Bahnübergang vorgeschaltet ist, wobei der Radsensor mit dem Sender des Gleisstromkreises verbunden ist. Der Gleisstromkreis er¬ streckt sich dabei über den gesamten Annäherungsbereich vom Einschaltpunkt der Sicherungseinrichtungen bis zum Bahnübergangscontroller. An diesem Einschaltpunkt befindet sich der Sender des Gleisstromkreises, an den der Radsensor ange¬ schlossen ist. Der Radsensor wird in einer bestimmten Distanz vor dem Sender montiert und bis zu diesem verdrahtet. Auf diese Weise wird der Gleisstromkreis als Übertragungsmedium für das Signal des Radsensors bis zum Bahnübergangscontroller genutzt, so dass eine komplette Verkabelung vom Radsensor bis zum Bahnübergangscontroller entbehrlich ist. Dabei wird die Eigenschaft des Audio-Frequenz-Gleisstromkreises ausgenutzt, eine Übertragungsfunktion von einigen Bits bieten zu können. Nach der Überfahrt des Schienenfahrzeugs über den Radsensor wird diese Information über den Gleisstromkreis an den Bahnübergangscontroller weitergeleitet. Danach erreicht das According to claim 2 it is provided that the track circuit is formed as an audio frequency track circuit with data transfer function and the wheel sensor is connected upstream in the direction of the railroad crossing, wherein the wheel sensor is connected to the transmitter of the track circuit. The track circuit he ¬ stretches it over the entire approximate range from switch-on of the safety devices to the level crossing controller. At this switch-on is the transmitter of the track circuit to which the wheel sensor is connected ¬ . The wheel sensor is mounted at a certain distance in front of the transmitter and wired up to this. In this way, the track circuit is used as a transmission medium for the signal of the wheel sensor to the level crossing controller, so that a complete wiring from the wheel sensor to the level crossing controller is unnecessary. The property of the audio frequency track circuit is exploited to provide a transfer function of a few bits. After crossing the rail vehicle via the wheel sensor, this information is forwarded via the track circuit to the level crossing controller. After that it reaches
Schienenfahrzeug den Gleisstromkreis, welcher an den Bahn¬ übergangscontroller quasi als zweiter Kanal die Belegungsin- formation meldet. Gleichzeitig wird vom Gleisstromkreis die Informationsübertragung vom ersten Kanal, nämlich die des Radsensor-Signals, unterbrochen. Falls einer dieser beiden Kanäle oder die Übertragungsfunktion ausfallen sollte, liegt ein Fehler vor und das Bahnübergangssicherungssystem wechselt in den sicheren Ausfallzustand. Rail vehicle the track circuit, which reports to the lane ¬ transition controller quasi as a second channel, the assignment information. At the same time, the information transmission from the first channel, namely that of the wheel sensor signal, is interrupted by the track circuit. If one of these two channels or the transfer function should fail, lies an error occurs and the level crossing protection system switches to the safe failure state.
Gemäß Anspruch 3 ist vorgesehen, dass zur Fahrtrichtungser- kennung und Geschwindigkeitsermittlung eines sich dem Bahnübergang nähernden Schienenfahrzeugs eine Zeitdifferenzmes¬ sung zwischen den Fahrzeugpassagen mehrerer Radsensoren und/oder eines Radsensors und dem Sender des Gleisstromkrei¬ ses vorgesehen ist, wobei der Einschaltpunkt der Sicherungs- einrichtungen durch den Bahnübergangscontroller von der ermittelten Geschwindigkeit abhängig ist. Diese Funktionalität, die von Bahnbetreibern zunehmend gefordert wird, ermöglicht eine teilweise beträchtliche Verringerung der Wartezeiten der Straßenverkehrsteilnehmer an dem Bahnübergang. Das Bahnüber- gangssicherungssystem wird unabhängig von der Fahrzeuggeschwindigkeit in einer weitgehend konstanten Schließzeit vor Eintreffen des Schienenfahrzeuges am Bahnübergang aktiviert. Diese Funktion ist als >constant warning time< bekannt. Die Sperrzeit des Bahnübergangs wird damit optimiert und insbe- sondere bei sehr langsamen Schienenfahrzeugen verkürzt. According to claim 3 it is provided that identifier to Fahrtrichtungser- and velocity detection of an approaching the level crossing rail vehicle there is provided a Zeitdifferenzmes ¬ solution between the vehicle passages more wheel sensors and / or a wheel sensor and the transmitter of the Gleisstromkrei ¬ ses, wherein the switch-on of the securing means is dependent on the determined speed by the level crossing controller. This functionality, which is increasingly required by railway operators, makes it possible in some cases to considerably reduce the waiting times of road users at the level crossing. The level crossing system is activated independently of the vehicle speed in a largely constant closing time before the arrival of the rail vehicle at the level crossing. This feature is known as> constant warning time <. The blocking time of the level crossing is thus optimized and shortened, especially in the case of very slow rail vehicles.
Um das Sicherheitslevel weiter zu erhöhen, insbesondere auf SIL4, ist gemäß Anspruch 4 vorgesehen, dass mindestens ein zusätzlicher Gleisstromkreis zur Ansteuerung mindestens eines gleisseitigen Signals vorgesehen ist. Durch diesen speziellen Gleisstromkreis wird eine Datenübertragung in umgekehrter Richtung, d.h. vom Bahnübergangscontroller zu dem Signal bereitgestellt. Das gleisseitige Signal dient als Überwachungs¬ signal und wird nur dann auf Weiterfahrt gestellt, wenn der Bahnübergang gesichert ist. In order to further increase the safety level, in particular to SIL4, it is provided according to claim 4 that at least one additional track circuit is provided for driving at least one track-side signal. This special track circuit provides data transfer in the reverse direction, ie from the level crossing controller to the signal. The trackside signal serves as a monitoring ¬ signal and is only set to continue if the level crossing is secured.
Gemäß Anspruch 5 ist vorgesehen, dass der Gleisstromkreis be¬ ziehungsweise dessen Sender bei Passage eines Radsensors aktivierbar und bei Passage des Bahnübergangscontrollers deaktivierbar ist. Der Gleisstromkreis ist somit nur während der Zeit benötigter Funktionsfähigkeit aktiviert und während der restlichen Zeit deaktiviert, insbesondere in einen Schlafmodus geschaltet. Dadurch ergibt sich eine Verringerung des dezentralen Energiebedarfs. According to claim 5 it is provided that the track circuit be ¬ tion, the transmitter can be activated upon passage of a wheel sensor and deactivated upon passage of the level crossing controller. The track circuit is thus activated only during the time required functionality and disabled during the rest of the time, especially in one Sleep mode switched. This results in a reduction of the decentralized energy requirement.
Nachfolgend wird die Erfindung anhand figürlicher Darstellun- gen näher erläutert. Es zeigen: The invention will be explained in more detail with reference to figurative representations. Show it:
Figur 1 das Funktionsprinzip eines Bahnübergangssiche¬ rungssystems , Figur 2 eine zweite Konfiguration des Bahnübergangssi¬ cherungssystems gemäß Figur 1 und 1 shows the operating principle of a level crossing Siche ¬ assurance system, Figure 2 shows a second configuration of the Bahnübergangssi ¬ assurance system of Figure 1 and
Figur 3 eine dritte Konfiguration des Bahnübergangssi¬ cherungssystems gemäß Figur 1. 3 shows a third configuration of the Bahnübergangssi ¬ assurance system according to FIG. 1
Figur 1 veranschaulicht die wesentlichen Baugruppen einer Basiskonfiguration des beanspruchten Bahnübergangssicherungssystems. Der Bahnübergang 1 wird bei diesem Ausführungsbei¬ spiel beidseitig durch Schranken 2 und Warnsignale 3 gesi- chert. Die Sicherungseinrichtungen 2, 3 werden dazu von einem Bahnübergangscontroller 4 angesteuert. Die Eingangsinformati¬ onen des Bahnübergangscontrollers 4, nämlich, ob ein Schie¬ nenfahrzeug sich dem Bahnübergang 1 nähert, werden von einem Audio-Frequenz-Gleisstromkreis 5 und von einem Radsensor 6 erzeugt. Der Radsensor 6 ist dem Gleisstromkreis 5 in Rich¬ tung zum Bahnübergang 1 vorgeschaltet, so dass der Radsensor 6 von einem sich dem Bahnübergang 1 nähernden Schienenfahrzeug vor dem Gleisstromkreis 5 passiert wird. Der Radsensor ist über eine Signalleitung 7 mit einem Sender 8 des Gleis- Stromkreises 5 verbunden. Empfangsseitig 9 ist der Gleis¬ stromkreis 5 direkt mit dem Bahnübergangscontroller 4 verbunden. Über die Signalleitung 7 und den Gleisstromkreis 5 wird zunächst die Fahrzeugpassage des Radsensors 6 an den Bahn¬ übergangscontroller 4 als Einschaltsignal weitergeleitet. Der Gleisstromkreis 5 fungiert zur Bildung dieses ersten Übertra¬ gungskanals lediglich als Übertragungsmedium. Erst wenn das Schienenfahrzeug die Senderseite 8 des Gleichstromkreises 5 passiert, wird der Gleisstromkreis 5 geschlossen und erzeugt seinerseits ein Ansteuersignal für den Bahnübergangscontrol¬ ler 4. Dadurch ergibt sich ein zweites Einschaltsignal, das unabhängig von dem Radsensor-Einschaltsignal den Bahnübergangscontroller 4 aktiviert. Bei der Passage des Gleisstrom- kreises 5 wird das Randsensor-Signal vorzugsweise unterbro¬ chen. Durch die Zweikanaligkeit der Ansteuerung des Bahnübergangscontrollers 4 kann ein sehr hohes Sicherheitslevel er¬ reicht werden, wobei die beiden unabhängigen Einschaltsignale ihre Funktionsfähigkeit gegenseitig überprüfen können und im Fehlerfall einen Failsafe-Zustand des Bahnübergangssiche¬ rungssystems aktivieren können. Die für einen Sicherheits¬ nachweis nach CENELEC erforderliche Fehleroffenbarung ist im Betrieb gewährleistet. Figur 2 zeigt eine Erweiterung der Basiskonfiguration gemäß Figur 1. Dabei ist ein weiterer Audio-Frequenz- Gleisstromkreis 10 vorgesehen, der senderseitig 11 mit dem Bahnübergangscontroller 4 und empfangsseitig 12 mit einem gleisseitigen Signal 13 verbunden ist. Dieses Überwachungs- Signal 13 wird von dem Bahnübergangscontroller 4 nur dann auf freie Fahrt gestellt, wenn die Sicherungseinrichtungen 2, 3 des Bahnübergangs 1 den Straßenverkehr abgesperrt haben. Da¬ durch ergibt sich eine Einsparung bei der Signalverkabelung. Ausgehend von der Basiskonfiguration gemäß Figur 1 zeigt Figur 3 eine Ausführungsform mit zwei zueinander beabstandeten Radsensoren 6 und 14, die beide über den Gleisstromkreis- Sender 8 und den Gleisstromkreis 5 zeitlich nacheinander Überfahrtinformationen an den Bahnübergangscontroller 4 wei- terleiten. Auch diese Doppelradsensorkonfiguration bietet erhöhte Sicherheit des Gesamtsystems. Um das Sicherheitslevel noch weiter zu erhöhen, können die Ausführungsformen gemäß Figur 2 und Figur 3 miteinander kombiniert werden, wobei zusätzlich weitere Gleisstromkreise und/oder Radsensoren einbe- zogen werden können. Figure 1 illustrates the essential components of a basic configuration of the claimed level crossing system. The railroad crossing 1 is secured on both sides by barriers 2 and warning signals 3 in this Ausführungsbei ¬ game. The safety devices 2, 3 are controlled by a level crossing controller 4. The Eingangsinformati ¬ ones of the level crossing controller 4, namely, whether a shift ¬ nenfahrzeug approaches the level crossing, 1 are generated by an audio frequency track circuit 5, and a wheel sensor. 6 The wheel sensor 6 is connected upstream of the track circuit 5 in the direction of the railroad crossing 1, so that the wheel sensor 6 is passed by a rail vehicle approaching the railroad crossing 1 in front of the track circuit 5. The wheel sensor is connected via a signal line 7 to a transmitter 8 of the track circuit 5. At the receiving end of the track 9 ¬ circuit 5 is directly connected to the railroad crossing controller. 4 About the signal line 7 and the track circuit 5, the vehicle passage of the wheel sensor 6 is first forwarded to the train ¬ transition controller 4 as a turn-on signal. The track circuit 5 functions in the formation of this first Übertra ¬ supply channel only as a transmission medium. Only when the rail vehicle passes the transmitter side 8 of the DC circuit 5, the track circuit 5 is closed and generated in turn, a drive signal for the Bahnübergangscontrol ¬ ler 4. This results in a second turn-on, which activates the level crossing controller 4 regardless of the Radsensor-turn-on. In the passage of the Gleisstrom- circuit 5, the edge sensor signal is preferably unterbro ¬ chen. Through the two-channel the control of the level crossing controller 4 a very high level of security can it be enough ¬, the two independent enable signals can verify their functionality each other and can activate a failsafe state of the level crossing Siche ¬ insurance system in case of failure. The fault disclosure required for a safety certification according to CENELEC is guaranteed during operation. FIG. 2 shows an extension of the basic configuration according to FIG. 1. A further audio frequency track circuit 10 is provided, which is connected to the track transition controller 4 at the transmitter end 11 and to a track-side signal 13 at the receiver 12. This monitoring signal 13 is provided by the level crossing controller 4 only on free ride when the security devices 2, 3 of the railroad crossing 1 have shut off the road. This results in a saving in signal cabling. Starting from the basic configuration according to FIG. 1, FIG. 3 shows an embodiment with two wheel sensors 6 and 14 which are spaced apart from each other and which transmit via the track circuit transmitter 8 and the track circuit 5 timewise passage information to the level crossing controller 4. This dual-wheel sensor configuration also offers increased safety of the overall system. In order to further increase the level of security, the embodiments according to FIG. 2 and FIG. 3 can be combined with one another, whereby additional track circuits and / or wheel sensors can additionally be incorporated.
Alle Konfigurationen bieten außerdem die Möglichkeit der Geschwindigkeitsermittlung des Schienenfahrzeugs durch Fahrt- Zeitmessung vom ersten Radsensor 6 zum Sender 8 des ersten Gleisstromkreises 5 und/oder vom weiteren Radsensor 14 zum ersten Radsensor 6, so dass der Bahnübergangscontroller 4 die Sicherungseinrichtungen 2, 3 des Bahnübergangs 1 geschwindig- keitsabhängig einschalten kann. Dadurch ergibt sich eine zeitoptimale Einschaltung bei konstanter Einschaltzeit und vor allem eine Verkürzung der Wartezeiten der Straßenverkehrsteilnehmer vor dem Bahnübergang 1. All configurations also offer the possibility of determining the speed of the rail vehicle by Time measurement from the first wheel sensor 6 to the transmitter 8 of the first track circuit 5 and / or from the other wheel sensor 14 to the first wheel sensor 6, so that the level crossing controller 4, the safety devices 2, 3 of the railroad crossing 1 can turn on speed dependent. This results in a time-optimized switch-on with a constant switch-on time and, above all, a shortening of the waiting times of the road users before the level crossing 1.

Claims

Patentansprüche claims
1. Bahnübergangssicherungssystem mit einem Bahnübergangscontroller (4) zur Steuerung beliebiger Sicherungseinrichtungen (2,3), 1. Level crossing safety system with a level crossing controller (4) for controlling any safety devices (2,3),
d a d u r c h g e k e n n z e i c h n e t, dass d a d u r c h e c e n c i n e s that
der Bahnübergangscontroller (4) von mindestens einem Gleisstromkreis (5) und von mindestens einem Radsensor (6) einschaltbar ist. the level crossing controller (4) of at least one track circuit (5) and at least one wheel sensor (6) is switched on.
2. Bahnübergangssicherungssystem nach Anspruch 1, 2. Level crossing protection system according to claim 1,
d a d u r c h g e k e n n z e i c h n e t, dass d a d u r c h e c e n c i n e s that
der Gleisstromkreis als Audio-Frequenz-Gleisstromkreis (5) mit Datenübertragungsfunktion ausgebildet ist und dem Radsen- sor (6) in Richtung zum Bahnübergang (1) vorgeschaltet ist, wobei der Radsensor (6) mit dem Sender (8) des Gleisstromkreises (5) verbunden ist. the track circuit is designed as an audio frequency track circuit (5) with data transmission function and is connected upstream of the wheel sensor (6) in the direction of the railroad crossing (1), the wheel sensor (6) being connected to the transmitter (8) of the track circuit (5). connected is.
3. Bahnübergangssicherungssystem nach Anspruch 2, 3. level crossing safety system according to claim 2,
d a d u r c h g e k e n n z e i c h n e t, dass d a d u r c h e c e n c i n e s that
zur Fahrtrichtungserkennung und Geschwindigkeitsermittlung eines sich dem Bahnübergang (1) nähernden Schienenfahrzeugs eine Zeitdifferenzmessung zwischen den Fahrzeugpassagen mehrerer Radsensoren (6,14) und/oder eines Radsensors (6) und dem Sender (8) des Gleisstromkreises (5) vorgesehen ist, wo¬ bei der EinschaltZeitpunkt der Sicherungseinrichtungen (2,3) durch den Bahnübergangscontroller (4) von der ermittelten Geschwindigkeit abhängig ist. a time difference measurement is provided between the vehicle passages of a plurality of wheel sensors (6, 14) and / or a wheel sensor (6) and the transmitter (8) of the track circuit (5) to detect the direction of travel and determine the speed of a rail vehicle approaching the railroad crossing (1), where the switch-on time of the safety devices (2, 3) is dependent on the determined speed by the level crossing controller (4).
4. Bahnübergangssicherungssystem nach einem der vorangehenden Ansprüche, 4. Level crossing protection system according to one of the preceding claims,
d a d u r c h g e k e n n z e i c h n e t, dass d a d u r c h e c e n c i n e s that
mindestens ein zusätzlicher der Gleisstromkreise (10) zur An- steuerung mindestens eines gleisseitigen Signals (13) vorge- sehen ist. at least one additional of the track circuits (10) for driving at least one track-side signal (13) is provided.
5. Bahnübergangssicherungssystem nach einem der vorangehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t, dass The level crossing protection system according to one of the preceding claims, characterized in that
der Gleisstromkreis (5,10) bei Passage eines Radsensors the track circuit (5,10) when passing a wheel sensor
(6,14) aktivierbar und bei Passage des Bahnübergangscontrol¬ lers (4) deaktivierbar ist. (6.14) can be deactivated and activated when passing the railroad crossing control ¬ coupler (4).
6. Verfahren zur Ansteuerung eines Bahnübergangssicherungs¬ systems mit einem Bahnübergangscontroller (4) zur Steuerung beliebiger Sicherungseinrichtungen (2,3), 6. A method for controlling a railway crossing fuse ¬ system with a railway crossing controller (4) for controlling any securing means (2,3),
d a d u r c h g e k e n n z e i c h n e t, dass d a d u r c h e c e n c i n e s that
mindestens ein Gleisstromkreis (5) und mindestens ein Radsen¬ sor (6,14) den Bahnübergangscontroller (4) unabhängig voneinander einschalten. at least one track circuit (5) and at least one Radsen ¬ sor (6.14) turn on the level crossing controller (4) independently.
EP16726094.2A 2015-06-17 2016-05-31 Level crossing safety system and method for controlling a level crossing safety system Active EP3286061B1 (en)

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DE102015211141.5A DE102015211141A1 (en) 2015-06-17 2015-06-17 Level crossing protection system and method for controlling a level crossing protection system
PCT/EP2016/062266 WO2016202575A1 (en) 2015-06-17 2016-05-31 Level crossing safety system and method for controlling a level crossing safety system

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US11021180B2 (en) 2018-04-06 2021-06-01 Siemens Mobility, Inc. Railway road crossing warning system with sensing system electrically-decoupled from railroad track
WO2022098346A1 (en) * 2020-11-04 2022-05-12 Siemens Mobility, Inc. A railroad crossing control system with auxiliary shunting device

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DE3003253C2 (en) * 1980-01-30 1984-05-30 Siemens AG, 1000 Berlin und 8000 München Safety device for level crossings on the same rails
US5092544A (en) * 1989-12-22 1992-03-03 General Railway Signal Corp. Highway crossing control system for railroads utilizing a communications link between the train locomotive and the crossing protection equipment
DE19928317C2 (en) * 1999-06-16 2002-01-10 Siemens Ag Railway crossing safety system
DE10216215A1 (en) 2002-04-05 2003-10-23 Siemens Ag Device for operating track transition safety devices has 2 direction detecting axle counters remote from and 2 close to transition; three axle counter sections are provided by adjacent axle counters
JP4127384B2 (en) * 2003-01-27 2008-07-30 東日本旅客鉄道株式会社 Multi-train detection system for railroad crossings
DE102004057459A1 (en) 2004-11-25 2006-06-01 Siemens Ag Railway crossing safety system
DE102006024692B4 (en) * 2006-05-19 2008-05-29 Siemens Ag Method and device for detecting the occupancy or free status of a track section
DE102007003630A1 (en) * 2007-01-16 2008-07-17 Siemens Ag Electrically position-adjusted switch e.g. palm button control switch, adjusting method for vehicle, involves transmitting adjusting signal from switch controller to switch, and utilizing radio interface as wireless interface
WO2012075401A1 (en) * 2010-12-03 2012-06-07 Metrom Rail, Llc Rail line sensing and safety system

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