EP2605947B1 - Key lock and arrangement having a key lock - Google Patents

Key lock and arrangement having a key lock Download PDF

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Publication number
EP2605947B1
EP2605947B1 EP11754316.5A EP11754316A EP2605947B1 EP 2605947 B1 EP2605947 B1 EP 2605947B1 EP 11754316 A EP11754316 A EP 11754316A EP 2605947 B1 EP2605947 B1 EP 2605947B1
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EP
European Patent Office
Prior art keywords
key lock
key
lock
signal
interlocking
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EP11754316.5A
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German (de)
French (fr)
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EP2605947A1 (en
Inventor
Peter Ziegler
Olaf Vogt
Wolfgang Windolf
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Siemens AG
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Siemens AG
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Publication of EP2605947A1 publication Critical patent/EP2605947A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
    • B61L5/102—Controlling electrically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
    • B61L19/06—Interlocking devices having electrical operation

Definitions

  • the present invention relates to a key lock with a communication device for wireless connection of the key lock to a signal box.
  • a key lock is from the published German patent application DE 198 47 292 A1 known.
  • Key locks are used in railway safety technology to secure hand-operated control elements such as hand switches.
  • a key lock usually works in such a way that a key of the key lock required for setting the actuating element can only be removed if it has previously been released from a signal box.
  • the key can then be unlocked and converted the control element, the key the actuator can only be removed again when this is back in its original position. This ensures that the position or the status of the control element is known at any time at the control station. If the key is removed from the key lock, it is prevented by the interlocking that the actuator is used by the interlocking or another vehicle.
  • the key in its function to a token, which decides whether the actuator for that interlocking is available or the interlocking gives the control to allow, for example, the manual operation of a switch around for the purpose of driving a siding.
  • the present invention has for its object to provide a particularly flexible and cost-effective key lock.
  • a key lock with a communication device for wireless connection of the key lock to a signal box, the key lock a line-independent power supply device for self-sufficient provision of the required for the operation of the key lock electrical energy and a sensor device for detecting the Presence or absence of a key of the key lock and is designed to wirelessly transmit an indicating the presence or absence of the key information signal to the interlocking.
  • the key lock invention is advantageous because the elimination of external wiring corresponding expenses and costs are avoided.
  • the key lock according to the invention also requires no external lines or cables for providing the electrical energy required for its operation, since the key lock according to the invention has a line-independent power supply device for self-sufficient provision of the energy required for its operation.
  • the inventive Key lock continues to have the advantage that due to the wireless communication technology connection of the key lock to the interlocking eliminates restrictions that usually exist in terms of distance between a key lock and a signal box in a wired connection. It should be noted with regard to the wireless connection of the key lock to the interlocking that this is to be understood in such a way that no keys or cables for communication with the interlocking are to be connected by the key lock. Depending on the particular implementation, however, it is still possible that part of the route between the key lock and the interlocking - such as in the case of using a mobile network - wired, that is about as a core network of a mobile network is bridged.
  • the key lock according to the invention has a sensor device for detecting the presence or absence of a key lock key and is adapted to wirelessly transmit an information signal indicative of the presence or absence of the key to the interlocking. This is advantageous because the interlocking can be informed by means of the sensor device and the communication device, whether one or the key of the key lock present, that is introduced into the key lock, is or not.
  • the key lock invention has an electronic control device.
  • an electronic control device which may be implemented, for example, as a controller or microcontroller, offers the advantage that a digital control of the key lock and the communication device is enabled.
  • the electronic control device and the communication device can also be realized as a common component.
  • the key lock according to the invention is designed such that the communication device and the electronic control device are connected to each other via at least one communication link. This is advantageous because it allows transmission of control commands and / or data between the communication device and the electronic control device.
  • the key lock according to the invention is so pronounced that the key lock has an actuator device for releasing or blocking the removal of the key from the key lock and for wirelessly receiving an enable signal indicating permission or inhibition of removal of the key is formed by the interlocking.
  • the actuator device ensures that a removal of the key from the key lock can only take place upon receipt of the release signal. This makes it possible for the interlocking even with the wireless connection of the key lock to the interlocking to control the removal of the key from the key lock and thus ultimately the position or position of the associated control element.
  • the actuator device and the sensor device can advantageously be realized as a common component in the form of a sensor / actuator device. In this case, the sensor / actuator device, for example be implemented as both for holding and for detecting the key serving electromagnetic closure.
  • the invention further comprises an arrangement with a key lock according to the invention or a key lock according to one of the previously described preferred developments of the key lock according to the invention and with at least one locking element secured by the key lock.
  • control element secured by the key lock can be any desired control element to be monitored or secured for reasons of railway safety technology.
  • the actuating element is a switch, a track barrier, a barrier, a signal or a signal lever. This is advantageous since these are those adjusting elements for which key locks are usually used for securing.
  • a key lock 10 is shown in the form of a block diagram.
  • the key lock 10 has a processing device 15 which comprises an electronic control device 20, a communication device 25 with an antenna 30 and a sensor / actuator device 35.
  • the processing device 15 indicates that the electronic control device 20, the communication device 25 and the sensor / actuator device 35 can be embodied as a common component, for instance in the form of a radio sensor. Alternatively, however, said devices could also be designed as separate components.
  • the electronic control device 20 is via communication links 40 and 41 to the communication device 25 and the sensor / actuator device 35 connected. Via a further communication connection 42, the communication device 25 is connected to its antenna 30.
  • the key lock 10 has a line-independent, decentralized power supply device 50 for the autonomous provision of the required for the operation of the key lock 10 electrical energy. It is essential here that the power supply device 50 has no cable connection to an external, central power supply device. Instead, the electrical energy required for the operation of the key lock 10 is provided by the power supply device 50 itself. In this case, by means of so-called “energy harvesting" electrical energy from the environment of the key lock 10 can be generated or converted. This can be done, for example, by using solar cells or by using transducers for generating electrical energy from mechanical vibrations. In the latter case, the key lock 10 may, for example, be powered by electrical energy generated from vibrations caused by passing trains. In addition, the power supply device 50 may be formed, for example, for generating electrical energy from wind.
  • the power supply device 50 is connected to the processing device 15 via an internal electrical supply line 55, so that by means of the energy supply device 50 all the components of the processing device 15, that is to say in particular the electronic control device 20, the communication device 25 the antenna 30 and the sensor / actuator means 35, can be supplied with electrical energy.
  • the key lock 10 is arranged in a region in which a main track 100 branches by means of a switch 105 into a siding 110. This may be at the siding 110, for example, a siding to a gravel.
  • the switch 105 is a location-operated or localized switch, which is secured by means of the key lock 10.
  • the key lock 10 is connected by means of the communication device 25 via the antenna 30 to a signal box 115.
  • the communication between the key lock 10 and the signal box 115 takes place by means of an immediate radio connection, so that the signal box 15 also has an antenna 120 for this purpose.
  • the key lock 10 In operation of the key lock 10, it is now possible by means of a sensor device of the sensor / actuator device 35 to detect or detect the presence or absence of one or the key of the key lock 10 and a corresponding information signal to the signal box 115 to transfer.
  • a sensor device of the sensor / actuator device 35 In this case, by means of the communication device 25 and the antennas 30 and 120, a wireless, radio-based transmission.
  • the information signal can be transmitted once or cyclically.
  • the key lock 10 is further configured to wirelessly receive an enable signal indicative of the permission or inhibition of the removal of the key from the interlocking (115). This means that a removal of the key from the key lock 10 only after appropriate release by the signal box 115 is possible.
  • control elements could be secured.
  • Corresponding control elements could be, for example, a track barrier, a barrier, a signal or a signal lever.
  • the key lock 10 has fundamental advantages in terms of its practical applicability. Thus, in particular for securing such control elements, which are arranged at remote outposts, considerable advantages in terms of effort and costs. The reason for this is that no cables or lines are to be led to the key lock 10 or to relocate. This applies both with regard to the communication technology connection of the key lock 10 to the signal box 115 as well as with regard to the supply of the key lock 10 with electrical energy.

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

Description

Die vorliegende Erfindung betrifft eine Schlüsselsperre mit einer Kommunikations-Einrichtung zur drahtlosen Anbindung der Schlüsselsperre an ein Stellwerk. Eine solche Schlüsselsperre ist aus der veröffentlichten deutschen Patentanmeldung DE 198 47 292 A1 bekannt.The present invention relates to a key lock with a communication device for wireless connection of the key lock to a signal box. Such a key lock is from the published German patent application DE 198 47 292 A1 known.

Schlüsselsperren werden in der Bahnsicherungstechnik verwendet, um handbediente Stellelemente wie beispielsweise Handweichen zu sichern. Dabei funktioniert eine Schlüsselsperre üblicherweise derart, dass ein zum Stellen des Stellelementes erforderlicher Schlüssel der Schlüsselsperre nur dann entnommen werden kann, wenn er zuvor von einem Stellwerk aus freigegeben worden ist. Mittels des Schlüssels kann daraufhin das Stellelement entriegelt und umgestellt werden, wobei der Schlüssel dem Stellelement erst dann wieder entnommen werden kann, wenn sich dieses wieder in seiner ursprünglichen Stellung befindet. Hierdurch ist gewährleistet, dass stellwerksseitig jederzeit die Lage beziehungsweise der Status des Stellelementes bekannt ist. Sofern der Schlüssel aus der Schlüsselsperre entnommen ist, wird durch das Stellwerk verhindert, dass das Stellelement von dem Stellwerk oder einem weiteren Fahrzeug benutzt wird. Somit wird der Schlüssel in seiner Funktion zu einem Token, der darüber entscheidet, ob das Stellelement für dass Stellwerk nutzbar ist oder aber das Stellwerk die Kontrolle abgibt, um beispielsweise das handbediente Umstellen einer Weiche etwa zwecks Befahrung eines Nebengleises zu ermöglichen.Key locks are used in railway safety technology to secure hand-operated control elements such as hand switches. In this case, a key lock usually works in such a way that a key of the key lock required for setting the actuating element can only be removed if it has previously been released from a signal box. By means of the key can then be unlocked and converted the control element, the key the actuator can only be removed again when this is back in its original position. This ensures that the position or the status of the control element is known at any time at the control station. If the key is removed from the key lock, it is prevented by the interlocking that the actuator is used by the interlocking or another vehicle. Thus, the key in its function to a token, which decides whether the actuator for that interlocking is available or the interlocking gives the control to allow, for example, the manual operation of a switch around for the purpose of driving a siding.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine besonders flexibel und kostengünstig einsetzbare Schlüsselsperre anzugeben.The present invention has for its object to provide a particularly flexible and cost-effective key lock.

Diese Aufgabe wird erfindungsgemäß gelöst durch eine Schlüsselsperre mit einer Kommunikations-Einrichtung zur drahtlosen Anbindung der Schlüsselsperre an ein Stellwerk, wobei die Schlüsselsperre eine leitungsunabhängige Energieversorgungs-Einrichtung zur autarken Bereitstellung der für den Betrieb der Schlüsselsperre benötigten elektrischen Energie sowie eine Sensor-Einrichtung zum Erfassen des Vorhandenseins oder des Nichtvorhandenseins eines Schlüssels der Schlüsselsperre aufweist und zum drahtlosen Übertragen eines das Vorhandensein oder das Nichtvorhandensein des Schlüssels angebenden Informations-Signals an das Stellwerk ausgebildet ist.This object is achieved by a key lock with a communication device for wireless connection of the key lock to a signal box, the key lock a line-independent power supply device for self-sufficient provision of the required for the operation of the key lock electrical energy and a sensor device for detecting the Presence or absence of a key of the key lock and is designed to wirelessly transmit an indicating the presence or absence of the key information signal to the interlocking.

Die erfindungsgemäße Schlüsselsperre ist vorteilhaft, da durch das Entfallen einer externen Verkabelung entsprechende Aufwände und Kosten vermieden werden. Dies betrifft einerseits die kommunikationstechnische Anbindung der Schlüsselsperre an das Stellwerk. Diese erfolgt erfindungsgemäß mittels der Kommunikations-Einrichtung drahtlos, das heißt insbesondere funkbasiert. Andererseits benötigt die erfindungsgemäße Schlüsselsperre auch zur Bereitstellung der für ihren Betrieb benötigten elektrischen Energie keine externen Leitungen beziehungsweise Kabel, da die erfindungsgemäße Schlüsselsperre eine leitungsunabhängige Energieversorgungs-Einrichtung zur autarken Bereitstellung der für ihren Betrieb erforderlichen Energie aufweist.The key lock invention is advantageous because the elimination of external wiring corresponding expenses and costs are avoided. On the one hand, this concerns the communication technology connection of the key lock to the interlocking. This takes place according to the invention wirelessly by means of the communication device, that is in particular radio-based. On the other hand, the key lock according to the invention also requires no external lines or cables for providing the electrical energy required for its operation, since the key lock according to the invention has a line-independent power supply device for self-sufficient provision of the energy required for its operation.

Neben dem Vorteil, dass eine kabel- beziehungsweise drahtgebundene Anbindung externer Komponenten an die Schlüsselsperre aufgrund deren Ausbildung entfällt, weist die erfindungsgemäße Schlüsselsperre weiterhin den Vorteil auf, dass aufgrund der drahtlosen kommunikationstechnischen Anbindung der Schlüsselsperre an das Stellwerk Beschränkungen entfallen, die hinsichtlich der Entfernung zwischen einer Schlüsselsperre sowie einem Stellwerk bei einer drahtgebundenen Anbindung üblicherweise bestehen. Zu beachten ist hinsichtlich der drahtlosen Anbindung der Schlüsselsperre an das Stellwerk, dass dies derart zu verstehen ist, dass seitens der Schlüsselsperre keine Kabel oder Leitungen zwecks Kommunikation mit dem Stellwerk anzuschließen sind. In Abhängigkeit von der jeweiligen Realisierung ist es hierbei jedoch dennoch möglich, dass ein Teil der Strecke zwischen der Schlüsselsperre und dem Stellwerk - etwa im Falle der Verwendung eines Mobilfunknetzes - drahtgebunden, das heißt etwa mittels eines Kernnetzes eines Mobilfunknetzes, überbrückt wird.In addition to the advantage that a cable or wired connection external components to the key lock due to their training is eliminated, the inventive Key lock continues to have the advantage that due to the wireless communication technology connection of the key lock to the interlocking eliminates restrictions that usually exist in terms of distance between a key lock and a signal box in a wired connection. It should be noted with regard to the wireless connection of the key lock to the interlocking that this is to be understood in such a way that no keys or cables for communication with the interlocking are to be connected by the key lock. Depending on the particular implementation, however, it is still possible that part of the route between the key lock and the interlocking - such as in the case of using a mobile network - wired, that is about as a core network of a mobile network is bridged.

Die erfindungsgemäße Schlüsselsperre weist eine Sensor-Einrichtung zum Erfassen des Vorhandenseins oder des Nichtvorhandenseins eines Schlüssels der Schlüsselsperre auf und ist zum drahtlosen Übertragen eines das Vorhandensein oder das Nichtvorhandensein des Schlüssels angebenden Informations-Signals an das Stellwerk ausgebildet. Dies ist vorteilhaft, da mittels der Sensor-Einrichtung sowie der Kommunikations-Einrichtung das Stellwerk darüber informiert werden kann, ob ein beziehungsweise der Schlüssel der Schlüsselsperre vorhanden, das heißt in die Schlüsselsperre eingebracht, ist oder nicht.The key lock according to the invention has a sensor device for detecting the presence or absence of a key lock key and is adapted to wirelessly transmit an information signal indicative of the presence or absence of the key to the interlocking. This is advantageous because the interlocking can be informed by means of the sensor device and the communication device, whether one or the key of the key lock present, that is introduced into the key lock, is or not.

In einer besonders bevorzugten Weiterbildung weist die erfindungsgemäße Schlüsselsperre eine elektronische Steuerungs-Einrichtung auf. Eine solche elektronische Steuerungs-Einrichtung, die beispielsweise als Controller oder Mikro-Controller realisiert sein kann, bietet den Vorteil, dass eine digitale Steuerung der Schlüsselsperre sowie der Kommunikations-Einrichtung ermöglicht wird. Vorzugsweise können die elektronische Steuerungs-Einrichtung sowie die Kommunikations-Einrichtung dabei auch als eine gemeinsame Komponente realisiert sein.In a particularly preferred development, the key lock invention has an electronic control device. Such an electronic control device, which may be implemented, for example, as a controller or microcontroller, offers the advantage that a digital control of the key lock and the communication device is enabled. Preferably, the electronic control device and the communication device can also be realized as a common component.

Gemäß einer weiteren besonders bevorzugten Ausführungsform ist die erfindungsgemäße Schlüsselsperre derart ausgestaltet, dass die Kommunikations-Einrichtung und die elektronische Steuerungs-Einrichtung über zumindest eine Kommunikationsverbindung miteinander verbunden sind. Dies ist vorteilhaft, da hierdurch eine Übertragung von Steuerungsbefehlen und/oder Daten zwischen den Kommunikations-Einrichtung und der elektronischen Steuerungs-Einrichtung ermöglicht wird.According to a further particularly preferred embodiment, the key lock according to the invention is designed such that the communication device and the electronic control device are connected to each other via at least one communication link. This is advantageous because it allows transmission of control commands and / or data between the communication device and the electronic control device.

Gemäß einer weiteren bevorzugten Ausführungsform ist die erfindungsgemäße Schlüsselsperre derart ausgeprägt, dass die Schlüsselsperre eine Aktor-Einrichtung zum Freigeben oder zum Sperren der Entnahme des Schlüssels aus der Schlüsselsperre aufweist und zum drahtlosen Empfangen eines die Erlaubnis oder die Sperrung der Entnahme des Schlüssels angebenden Freigabe-Signals von dem Stellwerk ausgebildet ist. Durch die Aktor-Einrichtung wird hierbei gewährleistet, dass eine Entnahme des Schlüssels aus der Schlüsselsperre ausschließlich auf den Empfang des Freigabe-Signals hin erfolgen kann. Hierdurch wird es dem Stellwerk auch bei der drahtlosen Anbindung der Schlüsselsperre an das Stellwerk ermöglicht, die Entnahme des Schlüssels aus der Schlüsselsperre und somit letztendlich die Stellung beziehungsweise Lage des zugehörigen Stellelementes zu kontrollieren. Die Aktor-Einrichtung und die Sensor-Einrichtung können vorteilhafterweise als eine gemeinsame Komponente in Form einer Sensor/Aktor-Einrichtung realisiert sein. Dabei kann die Sensor/Aktor-Einrichtung beispielsweise als sowohl zum Festhalten als auch zum Detektieren des Schlüssels dienender elektromagnetischer Verschluss realisiert sein.According to a further preferred embodiment, the key lock according to the invention is so pronounced that the key lock has an actuator device for releasing or blocking the removal of the key from the key lock and for wirelessly receiving an enable signal indicating permission or inhibition of removal of the key is formed by the interlocking. The actuator device ensures that a removal of the key from the key lock can only take place upon receipt of the release signal. This makes it possible for the interlocking even with the wireless connection of the key lock to the interlocking to control the removal of the key from the key lock and thus ultimately the position or position of the associated control element. The actuator device and the sensor device can advantageously be realized as a common component in the form of a sensor / actuator device. In this case, the sensor / actuator device, for example be implemented as both for holding and for detecting the key serving electromagnetic closure.

Die Erfindung umfasst weiterhin eine Anordnung mit einer erfindungsgemäßen Schlüsselsperre beziehungsweise einer Schlüsselsperre gemäß einer der zuvor beschriebenen bevorzugten Weiterbildungen der erfindungsgemäßen Schlüsselsperre sowie mit zumindest einem durch die Schlüsselsperre gesicherten Stellelement.The invention further comprises an arrangement with a key lock according to the invention or a key lock according to one of the previously described preferred developments of the key lock according to the invention and with at least one locking element secured by the key lock.

Bei dem durch die Schlüsselsperre gesicherten Stellelement kann es sich grundsätzlich um ein beliebiges, aus Gründen der Bahnsicherungstechnik zu überwachendes beziehungsweise zu sicherndes Stellelement handeln. Gemäß einer besonders bevorzugten Weiterbildung der erfindungsgemäßen Anordnung ist das Stellelement eine Weiche, eine Gleissperre, eine Schranke, ein Signal oder ein Signalhebel. Dies ist vorteilhaft, da es sich hierbei um solche Stellelemente handelt, für deren Sicherung üblicherweise Schlüsselsperren zum Einsatz gelangen.In principle, the control element secured by the key lock can be any desired control element to be monitored or secured for reasons of railway safety technology. According to a particularly preferred embodiment of the arrangement according to the invention, the actuating element is a switch, a track barrier, a barrier, a signal or a signal lever. This is advantageous since these are those adjusting elements for which key locks are usually used for securing.

Im Folgenden wird die Erfindung anhand eines Ausführungsbeispiels näher erläutert. Hierzu zeigt die

Figur
in einer schematischen Skizze ein Ausführungsbeispiel der erfindungsgemäßen Anordnung mit einem Ausführungsbeispiel der erfindungsgemäßen Schlüsselsperre sowie einem Stellelement in Form einer Weiche.
In the following the invention will be explained in more detail with reference to an embodiment. This shows the
figure
in a schematic sketch an embodiment of the inventive arrangement with an embodiment of the key lock according to the invention and an actuating element in the form of a switch.

In der schematischen Darstellung der Figur ist eine Schlüsselsperre 10 in Form eines Blockdiagramms gezeigt. Die Schlüsselsperre 10 weist eine Verarbeitungs-Einrichtung 15 auf, die eine elektronische Steuerungs-Einrichtung 20, eine Kommunikations-Einrichtung 25 mit einer Antenne 30 sowie eine Sensor/Aktor-Einrichtung 35 umfasst. Durch die Verarbeitungs-Einrichtung 15 ist angedeutet, dass die elektronische Steuerungs-Einrichtung 20, die Kommunikations-Einrichtung 25 sowie die Sensor/Aktor-Einrichtung 35 als eine gemeinsame Komponente, etwa in Form eines Funksensors, ausgebildet sein können. Alternativ hierzu könnten die genannten Einrichtungen jedoch auch als separate Komponenten ausgebildet sein. Die elektronische Steuerungs-Einrichtung 20 ist über Kommunikationsverbindungen 40 beziehungsweise 41 an die Kommunikations-Einrichtung 25 sowie die Sensor/Aktor-Einrichtung 35 angebunden. Über eine weitere Kommunikationsverbindung 42 ist die Kommunikations-Einrichtung 25 mit ihrer Antenne 30 verbunden.In the schematic representation of the figure, a key lock 10 is shown in the form of a block diagram. The key lock 10 has a processing device 15 which comprises an electronic control device 20, a communication device 25 with an antenna 30 and a sensor / actuator device 35. The processing device 15 indicates that the electronic control device 20, the communication device 25 and the sensor / actuator device 35 can be embodied as a common component, for instance in the form of a radio sensor. Alternatively, however, said devices could also be designed as separate components. The electronic control device 20 is via communication links 40 and 41 to the communication device 25 and the sensor / actuator device 35 connected. Via a further communication connection 42, the communication device 25 is connected to its antenna 30.

Neben der Verarbeitungs-Einrichtung 15 weist die Schlüsselsperre 10 eine leitungsunabhängige, dezentrale Energieversorgungs-Einrichtung 50 zur autarken Bereitstellung der für den Betrieb der Schlüsselsperre 10 benötigten elektrischen Energie auf. Wesentlich hierbei ist, dass die Energieversorgungs-Einrichtung 50 keine Kabelanbindung an eine externe, zentrale Energieversorgungs-Einrichtung aufweist. Stattdessen wird die für den Betrieb der Schlüsselsperre 10 benötigte elektrische Energie durch die Energieversorgungs-Einrichtung 50 selbst bereitgestellt. Dabei kann mittels sogenanntem "Energy Harvesting" elektrische Energie aus der Umgebung der Schlüsselsperre 10 erzeugt beziehungsweise umgewandelt werden. Dies kann beispielsweise dadurch geschehen, dass Solarzellen verwendet werden oder auch Wandler zum Erzeugen von elektrischer Energie aus mechanischen Schwingungen verwendet werden. Im letzteren Fall kann die Schlüsselsperre 10 beispielsweise mit elektrischer Energie betrieben werden, die aus Schwingungen erzeugt wird, die durch vorbeifahrende Züge verursacht werden. Darüber hinaus kann die Energieversorgungs-Einrichtung 50 beispielsweise auch zur Erzeugung elektrischer Energie aus Wind ausgebildet sein.In addition to the processing device 15, the key lock 10 has a line-independent, decentralized power supply device 50 for the autonomous provision of the required for the operation of the key lock 10 electrical energy. It is essential here that the power supply device 50 has no cable connection to an external, central power supply device. Instead, the electrical energy required for the operation of the key lock 10 is provided by the power supply device 50 itself. In this case, by means of so-called "energy harvesting" electrical energy from the environment of the key lock 10 can be generated or converted. This can be done, for example, by using solar cells or by using transducers for generating electrical energy from mechanical vibrations. In the latter case, the key lock 10 may, for example, be powered by electrical energy generated from vibrations caused by passing trains. In addition, the power supply device 50 may be formed, for example, for generating electrical energy from wind.

Die Energieversorgungs-Einrichtung 50 ist über eine interne elektrische Versorgungsleitung 55 mit der Verarbeitungs-Einrichtung 15 verbunden, so dass durch die Energieversorgungs-Einrichtung 50 alle Komponenten der Verarbeitungs-Einrichtung 15, das heißt insbesondere die elektronische Steuerungs-Einrichtung 20, die Kommunikations-Einrichtung 25, die Antenne 30 sowie die Sensor/Aktor-Einrichtung 35, mit elektrischer Energie versorgt werden können.The power supply device 50 is connected to the processing device 15 via an internal electrical supply line 55, so that by means of the energy supply device 50 all the components of the processing device 15, that is to say in particular the electronic control device 20, the communication device 25 the antenna 30 and the sensor / actuator means 35, can be supplied with electrical energy.

Gemäß der Darstellung der Figur ist die Schlüsselsperre 10 in einem Bereich angeordnet, in dem ein Hauptgleis 100 mittels einer Weiche 105 in ein Nebengleis 110 verzweigt. Dabei kann es sich bei dem Nebengleis 110 beispielsweise um ein Anschlussgleis zu einem Kieswerk handeln. Bei der Weiche 105 handelt es sich um eine ortsbediente beziehungsweise ortsgestellte Weiche, die mittels der Schlüsselsperre 10 gesichert wird. Hierzu ist die Schlüsselsperre 10 mittels der Kommunikations-Einrichtung 25 über die Antenne 30 an ein Stellwerk 115 angebunden. Im Rahmen des beschriebenen Ausführungsbeispiels sei hierbei angenommen, dass die Kommunikation zwischen der Schlüsselsperre 10 sowie dem Stellwerk 115 mittels einer unmittelbaren Funkverbindung erfolgt, so dass das Stellwerk 15 zu diesem Zwecke ebenfalls eine Antenne 120 aufweist.According to the illustration of the figure, the key lock 10 is arranged in a region in which a main track 100 branches by means of a switch 105 into a siding 110. This may be at the siding 110, for example, a siding to a gravel. The switch 105 is a location-operated or localized switch, which is secured by means of the key lock 10. For this purpose, the key lock 10 is connected by means of the communication device 25 via the antenna 30 to a signal box 115. In the context of the exemplary embodiment described here, it is assumed that the communication between the key lock 10 and the signal box 115 takes place by means of an immediate radio connection, so that the signal box 15 also has an antenna 120 for this purpose.

Im Betrieb der Schlüsselsperre 10 ist es nunmehr mittels einer Sensor-Einrichtung der Sensor/Aktor-Einrichtung 35 möglich, das Vorhandensein oder das Nichtvorhandensein eines beziehungsweise des Schlüssels der Schlüsselsperre 10 zu erfassen beziehungsweise zu detektieren und ein entsprechendes Informations-Signal an das Stellwerk 115 zu übertragen. Dabei erfolgt mittels der Kommunikations-Einrichtung 25 sowie der Antennen 30 und 120 eine drahtlose, funkbasierte Übertragung. In Abhängigkeit von der jeweiligen Realisierung kann das Informations-Signal einmalig oder auch zyklisch übertragen werden.In operation of the key lock 10, it is now possible by means of a sensor device of the sensor / actuator device 35 to detect or detect the presence or absence of one or the key of the key lock 10 and a corresponding information signal to the signal box 115 to transfer. In this case, by means of the communication device 25 and the antennas 30 and 120, a wireless, radio-based transmission. Depending on the particular implementation, the information signal can be transmitted once or cyclically.

Generell ist darauf hinzuweisen, dass aufgrund der sicherungstechnischen Bedeutung der Schlüsselsperre 10 die Kommunikation zwischen der Schlüsselsperre 10 und dem Stellwerk 115 vorzugsweise über eine gesicherte Funkverbindung erfolgt. Entsprechende Mechanismen, das heißt beispielsweise entsprechende sichere Protokolle, sind als solche bekannt und können in Abhängigkeit von den jeweiligen Anforderungen und Bedingungen gewählt bzw. realisiert werden.In general, it should be noted that due to the security significance of the key lock 10 communication between the key lock 10 and the interlocking 115 preferably via a secure radio connection. Corresponding mechanisms, ie, for example, corresponding secure protocols, are known as such and can be selected or implemented depending on the respective requirements and conditions.

Mittels einer Aktor-Einrichtung der Sensor/Aktor-Einrichtung 35 ist ein Freigeben oder Sperren der Entnahme des Schlüssels aus der Schlüsselsperre (10) möglich. Die Schlüsselsperre 10 ist ferner zum drahtlosen Empfangen eines die Erlaubnis oder die Sperrung der Entnahme des Schlüssels angebenden Freigabe-Signals von dem Stellwerk (115) ausgebildet. Dies bedeutet, dass eine Entnahme des Schlüssels aus der Schlüsselsperre 10 ausschließlich nach entsprechender Freigabe durch das Stellwerk 115 möglich ist.By means of an actuator device of the sensor / actuator device 35, a release or blocking of the removal of the key from the key lock (10) is possible. The key lock 10 is further configured to wirelessly receive an enable signal indicative of the permission or inhibition of the removal of the key from the interlocking (115). This means that a removal of the key from the key lock 10 only after appropriate release by the signal box 115 is possible.

Es sei darauf hingewiesen, dass abweichend von der Darstellung der Figur durch die Schlüsselsperre 10 anstelle einer handbedienten beziehungsweise ortsgestellten Weiche 105 auch andere Arten von Stellelementen gesichert werden könnten. Bei entsprechenden Stellelementen könnte es sich beispielsweise um eine Gleissperre, eine Schranke, ein Signal oder einen Signalhebel handeln.It should be noted that notwithstanding the representation of the figure by the key lock 10 instead of a hand-operated or localized switch 105, other types of control elements could be secured. Corresponding control elements could be, for example, a track barrier, a barrier, a signal or a signal lever.

Unabhängig von der Art des zu sichernden Stellelementes weist die Schlüsselsperre 10 hinsichtlich ihrer praktischen Einsetzbarkeit grundlegende Vorteile auf. So ergeben sich insbesondere für die Sicherung solcher Stellelemente, die an abgelegenen Außenstellen angeordnet sind, erhebliche Vorteile hinsichtlich Aufwand und Kosten. Ursache hierfür ist, dass keine Kabel beziehungsweise Leitungen zu der Schlüsselsperre 10 hinzuführen beziehungsweise zu verlegen sind. Dies gilt sowohl im Hinblick auf die kommunikationstechnische Anbindung der Schlüsselsperre 10 an das Stellwerk 115 als auch hinsichtlich der Versorgung der Schlüsselsperre 10 mit elektrischer Energie.Regardless of the type of locking element to be secured, the key lock 10 has fundamental advantages in terms of its practical applicability. Thus, in particular for securing such control elements, which are arranged at remote outposts, considerable advantages in terms of effort and costs. The reason for this is that no cables or lines are to be led to the key lock 10 or to relocate. this applies both with regard to the communication technology connection of the key lock 10 to the signal box 115 as well as with regard to the supply of the key lock 10 with electrical energy.

Darüber hinaus wird es durch die drahtlose Anbindung der Schlüsselsperre 10 an das Stellwerk 115 auch ermöglicht, vergleichsweise große Entfernungen zwischen der Schlüsselsperre 10 und dem Stellwerk 115 zu überbrücken. So besteht bei leitungsabhängig an ein Stellwerk angebundenen Komponenten im Rahmen der Bahnsicherungstechnik üblicherweise eine Entfernungsbeschränkung dahingehend, dass die Entfernung zwischen der Komponente und dem Stellwerk 6,5 km nicht überschreiten darf. Dadurch, dass bei der beschriebenen Schlüsselsperre 10 entsprechende Leitungen oder Kabel entfallen und stattdessen eine drahtlose Kommunikation erfolgt, wird somit vorteilhafterweise weiterhin die Flexibilität bezüglich der Einsetzbarkeit von Schlüsselsperren erhöht.In addition, it is also possible by the wireless connection of the key lock 10 to the signal box 115 to bridge relatively large distances between the key lock 10 and the signal box 115. Thus, in the case of line-dependent components connected to an interlocking as part of the railway safety technology usually a distance limitation to the effect that the distance between the component and the interlocking may not exceed 6.5 km. Due to the fact that corresponding cables or cables are dispensed with in the described key lock 10 and instead a wireless communication takes place, the flexibility with regard to the applicability of key locks is thus advantageously further increased.

Zusammenfassend ist somit zu sagen, dass die beschriebene Schlüsselsperre 10 für die Sicherung eines Stellelementes besonders flexibel und kostengünstig einsetzbar ist und somit in der Praxis erhebliche Vorteile mit sich bringt.In summary, therefore, is to say that the key lock 10 described for securing a control element is particularly flexible and inexpensive to use and thus brings in practice considerable advantages.

Claims (6)

  1. Key lock (10) having a communication device (25) for wirelessly linking the key lock (10) to a signal box (115), characterized in that the key lock (10)
    - has a line-independent power supply device (50) for autonomously providing the electrical power needed for operating the key lock (10),
    - has a sensor device for detecting the presence or non-presence of a key of the key lock (10) and
    - is designed for wirelessly transmitting an information signal, specifying the presence or non-presence of the key, to the signal box (115).
  2. Key lock according to Claim 1, characterized in that the key lock (10) has an electronic control device (20).
  3. Key lock according to Claim 2, characterized in that the communication device (25) and the electronic control device (20) are connected to one another via at least one communication link (40).
  4. Key lock according to one of the preceding claims, characterized in that the key lock (10)
    - has an actuator device for releasing or blocking the removal of the key from the key lock (10) and
    - is designed for wirelessly receiving a release signal, specifying the permission or blocking of the removal of the key, from the signal box (115).
  5. Arrangement having a key lock (10) according to one of the preceding claims and at least one switching element secured by the key lock.
  6. Arrangement according to Claim 5, characterized in that the switching element is a switch (105), a track lock, a barrier, a signal or a signal lever.
EP11754316.5A 2010-08-18 2011-08-02 Key lock and arrangement having a key lock Active EP2605947B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010034903A DE102010034903A1 (en) 2010-08-18 2010-08-18 Key lock and arrangement with a key lock
PCT/EP2011/063299 WO2012022613A1 (en) 2010-08-18 2011-08-02 Key lock and arrangement having a key lock

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EP2605947A1 EP2605947A1 (en) 2013-06-26
EP2605947B1 true EP2605947B1 (en) 2016-01-06

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US (1) US9090269B2 (en)
EP (1) EP2605947B1 (en)
CN (1) CN103068665B (en)
DE (1) DE102010034903A1 (en)
ES (1) ES2559979T3 (en)
HK (1) HK1179578A1 (en)
RU (1) RU2577160C2 (en)
WO (1) WO2012022613A1 (en)

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HK1179578A1 (en) 2013-10-04
CN103068665B (en) 2015-09-30
US20130206924A1 (en) 2013-08-15
RU2013111787A (en) 2014-09-27
EP2605947A1 (en) 2013-06-26
WO2012022613A1 (en) 2012-02-23
CN103068665A (en) 2013-04-24
ES2559979T3 (en) 2016-02-17
US9090269B2 (en) 2015-07-28
DE102010034903A1 (en) 2012-02-23
RU2577160C2 (en) 2016-03-10

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