EP1251055B1 - Dispositif et méthode pour surveiller une zone d'un quai ferroviaire - Google Patents

Dispositif et méthode pour surveiller une zone d'un quai ferroviaire Download PDF

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Publication number
EP1251055B1
EP1251055B1 EP02008971A EP02008971A EP1251055B1 EP 1251055 B1 EP1251055 B1 EP 1251055B1 EP 02008971 A EP02008971 A EP 02008971A EP 02008971 A EP02008971 A EP 02008971A EP 1251055 B1 EP1251055 B1 EP 1251055B1
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EP
European Patent Office
Prior art keywords
transmitting
receiving
devices
track area
platform track
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.)
Expired - Lifetime
Application number
EP02008971A
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German (de)
English (en)
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EP1251055A1 (fr
Inventor
Horst Schmischke
Rolf Wiegand
Reiner Mollenhauer
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.)
Honeywell GmbH
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Honeywell GmbH
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Publication date
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Publication of EP1251055A1 publication Critical patent/EP1251055A1/fr
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Publication of EP1251055B1 publication Critical patent/EP1251055B1/fr
Anticipated expiration legal-status Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
    • B61L23/041—Obstacle detection

Definitions

  • the invention relates to a device and a method for monitoring a platform track area in particular at stops according to the preamble of claim 1 and of claim 6. It is also suitable for the operation of rail vehicles without driver.
  • a device for detecting obstacles between the barriers of a railroad level crossing in each of which a transmitter for emitting an electromagnetic beam with a fan-shaped radiation characteristic is arranged at each barrier, whose radiation is received by a plurality of arranged on the opposite side receiver.
  • the resolution of the device at different points of the monitored area is different in size, so that the resolution can not be specified exactly and the nature of an obstacle can not be determined accurately.
  • U1 is a monitoring system for handling a train with additional monitoring of the track bed space known in which juxtaposed, vertically oriented laser scanner scan the entrance of a train standing on the platform.
  • the system is supplemented by monitoring the track space, in which laser scanners cover the track space horizontally.
  • To identify bodies falling into the track space a local and temporal correlation between a response of the first, vertical laser scanner system and a response of the second, horizontal laser scanner system. The time difference is used to deduce the severity of the object.
  • the US 3,805,061 discloses an apparatus for detecting objects in a surveillance area where phototransistors are placed opposite light emitting diodes so that the light beam spans the surveillance area.
  • phototransistors are placed opposite light emitting diodes so that the light beam spans the surveillance area.
  • Several of these sensor arrangements are arranged next to one another, with a plurality of adjacently installed sensor arrangements being combined into groups and activated one after the other in succession.
  • VDV-Schrift 399 of October 2000 of the Association of German Transport Undertakings requirements for such facilities are defined.
  • Such devices must have a response time of less than 1 second.
  • the intrusion of persons into the danger zone must be recognized with certainty, whereby it is recommended in VDV document 399 to monitor the danger area below a platform edge in order to protect the system against manipulation secured by passengers.
  • it must be ensured that trains that are located in the hazardous area to be monitored do not lead to a warning message from the system.
  • VDV document 399 With regard to further requirements for such systems, reference is made to the VDV document 399.
  • the present invention is based on the problem to provide a device for monitoring platform tracks at stops, which takes into account the above requirements and allows monitoring with a precise resolution with low investment costs.
  • a plurality of transmitting devices are arranged along a first edge of the platform track area and a plurality of receiving devices are arranged opposite thereto on the other side of the platform track area.
  • a transmitting device forms an active radar path together with the respectively corresponding receiving device as a transponder path, so that a foreign body in the region of this sensor pair is detected by weakening or disturbing the sensor signal.
  • each sensor pair respectively consists of transmitting device and receiving device and a plurality of pairs of sensors are arranged transversely to the roadway of a rail vehicle at a predetermined distance, the resolution can be specified by spacing the adjacently arranged sensor pairs.
  • the distance between the adjacent transmitting devices and the corresponding receiving devices is preferably chosen to be the same. However, it is also possible to obtain a better resolution in particularly important or endangered areas by reducing the sensor distance.
  • the distance between two adjacently arranged transmitting and receiving devices corresponds to half the desired resolution of the monitoring device.
  • a body located in the platform track area is of such size that it is to be detected by the monitoring device and if necessary a warning signal is to be generated, at least two of the sensors have a reduced signal due to the shielding by the body. If, in contrast, only one sensor does not receive the radar signal undisturbed, this indicates a smaller object in the beam path, for example a can of soda or the like, from which no danger situation arises. In this case, the device should not issue a warning message.
  • a test specimen with a diameter of 30 cm is to be detected.
  • the distance of the adjacently arranged sensor pairs of transmitting device and receiving device is therefore 15 cm. Depending on the desired resolution, however, these distances can be varied.
  • the transmitting devices with their respective corresponding receiving device can preferably be activated one after the other in series.
  • the speed and direction of movement of individual bodies can then be determined from the time sequence of the sensor signals.
  • a plurality of transmitting devices are combined to form a transmitting unit and a plurality of receiving devices are combined to form a receiving unit, wherein a plurality of transmitting units and a plurality of receiving units are arranged along the platform track area.
  • the transmitting devices in a transmitting unit with the corresponding receiving devices in the corresponding receiving unit time series successively activated and multiple transmitting and receiving units are parallel to each other operable.
  • time-resolved monitoring signals are obtained separately for each transmitting and receiving unit, whereby nevertheless the entire platform track area can be monitored simultaneously.
  • the first receiving and transmitting devices of each receiving and transmitting unit are addressed simultaneously.
  • both the transmitting units and the receiving units are connected to the evaluation device via a common data bus.
  • the device comprises at least one microprocessor, wherein the microprocessor (s) for controlling the transmitting devices, the receiving devices, a transmitting unit and / or a receiving unit and / or for the evaluation of the sensor data, in particular for the identification of a body in the platform track area and for detecting the direction of movement and / or speed, is set up.
  • the microprocessor for controlling the transmitting devices, the receiving devices, a transmitting unit and / or a receiving unit and / or for the evaluation of the sensor data, in particular for the identification of a body in the platform track area and for detecting the direction of movement and / or speed, is set up.
  • the present invention relates to a method for monitoring a platform track area, in particular at stops with the features of claim 6, in particular with the device described above, in which a plurality arranged along a first edge of the platform track area transmitting devices and these on the other side of the platform track area associated receiving devices each as Transponder path form an active radar path and the signals of the receiving devices are evaluated.
  • Several transmitting devices become a transmitting unit and a plurality of receiving devices are combined to form a receiving unit (27).
  • Both the transmitting units (26) and the receiving units (27) are connected to an evaluation device via a common data bus (16, 17) (18) connected.
  • the method recognizes a body in the platform track area when the signal from at least two adjacently arranged receiving devices indicates a body in the platform track area. This can be done over the
  • the resolution of the process can be precisely adjusted because a body in the platform track area must be at least so large that two sensors are at least partially shielded. Smaller items that only affect the signal of a receiving device are not interpreted as a hazard. This can significantly reduce the false alarm rate.
  • the number of occupied reporting, immediately adjacent receiving devices is determined whose signal indicates a body in the platform track area.
  • a high number of such busy messages indicates that a train is in the platform track area. In this case, too, no error message of the system is to be generated, which possibly initiates an emergency stop of the train, since this is an operational state.
  • the transmitting and receiving devices are activated one after the other in succession, and the speed and / or direction of movement of a body in the platform track area is determined from the time information.
  • This can be achieved for example by means of a microprocessor.
  • the method can detect whether the body in the surveillance area is a train or a person, whether the train is moving or standing, whether a train and one or more people are in the surveillance area at the same time, what distance they are from and with what speed they move (even relative to each other).
  • the apparatus and the method according to the present invention it is thus possible to reliably monitor a platform track area and to recognize the nature of possible dangers and to differentiate them from operational situations.
  • the evaluation criteria for example by programming the microprocessor of the evaluation, the device can thus be flexibly adapted to different requirements.
  • the Figures 1 and 2 show schematically in cross section and in plan view to be monitored platform track area 10.
  • area 10 the rail tracks 11, 12, on which a non-illustrated rail vehicle runs.
  • a platform 13 on which normally passengers stay during the waiting time.
  • a radar transponder sensor system is proposed with the device according to the invention for monitoring hazardous areas.
  • active radar paths are arranged along the entire platform track area 10 to be monitored at a predetermined distance.
  • Such an active radar path consists of a transmitting and a receiving device.
  • FIGS. 3, 4 show a plurality of transmitting devices 14 which are arranged at the same distance from each other below an upper edge of the platform 13.
  • Each of the transmitting devices 14 is assigned a corresponding receiving device 15 on the other side of the platform track area 10 to be monitored.
  • the equidistant arrangement of the transmitting devices 14 and of the corresponding receiving devices 15 along the track track area 10 to be monitored results in detail FIG. 4 .
  • the preferred distance between the active radar lines, ie on the one hand between the adjacent transmitting devices 14 and on the other hand between the adjacent receiving means 15 is about 15 cm. It is based on the fact that a test specimen with a diameter of 30 cm should be reliably recognized and distinguished from smaller objects.
  • Both the transmitting devices 14 and the receiving devices 15 are each connected via a data bus 16, 17 to an evaluation device, namely a computer 18.
  • the computer 18 has according to
  • FIG. 7 furthermore via an interface 19 to a superordinate computer system. Furthermore, in FIG. 7 Power supply lines 20, 21 and 22 for the computer 18 and the transmitting devices 14 and receiving devices 15 shown.
  • each radar transponder consists of a transmitting device 14 and a corresponding receiving device 15.
  • the transmitting devices 14 are impressed with a pulse width which the receiving devices 15 must detect.
  • the preparation of a message is made in the computer 18 as to whether a person or a train is in the danger area.
  • FIG. 1 can be seen that the transmitting devices 14 and receiving devices 15 are arranged between a section 23 for accommodating a pantograph and a boundary line 24 of the rail vehicle.
  • FIGS. 3 to 4 It can also be seen that an opening angle of approximately 25 degrees is chosen for the active radar lines both in a horizontal surveillance plane and in a vertical surveillance plane.
  • the sensitivity of the receiving devices is dimensioned such that a standard test body 25 arranged in the platform track area 10 to be monitored (see FIG FIG. 4 ) is recognized.
  • the standard test specimen has a circular cross-section of 30cm diameter.
  • the measuring principle according to the invention is based on the fact that the reception level is a measure of the shading.
  • the reception level is a measure of the shading.
  • the reception level is a measure of the shading.
  • the standard test body 25 if this is arranged within the danger space to be monitored, is based on the already mentioned dimensions and opening angle to arrange the next active radar route at a distance of at most 30 cm in the longitudinal direction of the railway tracks.
  • a higher failure safety can be achieved with a distance of only 15 cm.
  • eight transmitting devices 14 or receiving devices 15 are combined to transmit units 26 or receiving units 27. At a distance of only 15 cm between the adjacent transmitting and receiving devices 14, 15 and sixteen transmitting devices 14 and receiving devices 15 to transmit units 26 and receiving units 27 can be summarized.
  • FIG. 4 results in a transmitting device 14 in the present embodiment, a certain number of receiving devices 15 from. Therefore, only one transmitting device 14 is activated in each transmitting unit 26 for a predetermined period of preferably 100 ⁇ s. In the corresponding receiving device 15, the recorded signal is also evaluated only for this predetermined period of time.
  • the device according to the invention is an autonomously operating system for detecting persons who enter a danger space 10 or are within the danger space to be monitored.
  • FIG. 5 shows a block diagram of several combined to a transmitting unit 26 transmitting devices 14. As already mentioned, each eight or sixteen transmitting devices 14 are combined to form a transmitting unit 26. For the sake of simplicity, in FIG. 5 only the first and the eighth transmitting device 14 are shown.
  • transmitting devices 14 For the power supply of all combined to a transmitting unit 26 transmitting devices 14 is a power supply 28, which is connected to power supply lines 29, 30. Furthermore, the transmitting unit 26 has control all transmitting devices 14 via a microprocessor 31 which is connected to a data bus 32. Each transmitting device 14, which is controlled by the microprocessor 31 and supplied with power via the power supply 28, has an antenna 33, which is controlled via a high-frequency part 34.
  • the high-frequency part 34 has a cavity resonator 35 with an associated Gundiode 36. The control of the high-frequency part 34 and the Gundiode 36 via driver 37 with upstream decoder 38th
  • the activation of the transmitting devices 14 takes place via the microprocessor 31, wherein the transmitting devices 14 combined to form a transmitting unit 26 are activated time-series starting from the first transmitter. With a selected transmission time of 100 ⁇ s and eight transmit devices combined to one transmission unit 26, a transmission cycle of 800 ⁇ s results.
  • receiving unit 27 summarized receiving devices 15 shows FIG. 6 , Also, the receiving unit 27 is housed in a waterproof case.
  • Each of the eight or sixteen receiving devices 15 combined into the receiving unit 27 has an antenna 39 with an associated receiving module 40, wherein each receiving module 40 is assigned a receiving diode 41.
  • the signals received by the receiving diodes 41 are amplified by respective signal amplifiers 42.
  • the output signals of the signal amplifiers 42 are supplied to an analog multiplexer 43 with a downstream analog / digital converter 44.
  • a microprocessor 45 with associated coding switch 46 takes over the evaluation of the received signals from the transmitting device 15 and transmits them to a data bus 47.
  • a power supply 48 is provided, which is connected to power supply lines 49, 50.
  • the transmitting devices 14 of the transmitting unit 26 are activated by the microprocessor 45 time series.
  • the activation of the receiving devices 15 of the receiving unit 27 and of the transmitting devices 14 of the transmitting unit 26 takes place in parallel and in turn lasts a total of 800 ⁇ s when each of the eight transmitting devices 15 is activated for 100 ⁇ s.
  • the number of transmitting and receiving devices 14, 15 in a transmitting or receiving unit 26, 27 and the time of activation can be freely adjusted.
  • the microprocessor evaluates the signals of the receiving devices 15 of the different receiving units 27 such that receiving devices 15 of different receiving units 27 can be compared with one another in terms of time.
  • the signal from one receiver to another will indicate that a body is in the platform track area. Due to the rapidly increasing number of receiving devices with this signal and the ability to determine the speed of this body, the system can recognize due to the signal processing that the body is an incoming train and at the same time determine its speed. On the other hand, if the signals from the receiving devices 15 indicate that a body is moving slowly in the surveillance area and only a few receiving devices 15 that move with the movement display a body in the surveillance area during the movement, this indicates a person in this area. In this case, a message is issued. The same applies to a stationary body, which only affects the signal of fewer adjacent receiving devices 15.
  • danger space monitoring can be realized in a simple manner.
  • the number of transmitting devices and receiving devices or transmitting units and receiving units must be determined.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Claims (8)

  1. Dispositif pour la surveillance d'une zone de quai ferroviaire, comportant plusieurs dispositifs d'émission (14) disposés le long d'un premier bord de la zone de quai ferroviaire (10) et plusieurs dispositifs de réception (15) disposés en face de ceux-ci de l'autre côté de la zone de quai ferroviaire (10), caractérisé en ce que respectivement un dispositif d'émission (14) forme avec le dispositif de réception (15) respectif correspondant un parcours radar actif sous forme de parcours de transpondeur, que plusieurs parcours de transpondeur sont disposés en travers de la voie de circulation d'un véhicule ferroviaire à une distance prédéfinie et que plusieurs dispositifs d'émission (14) sont regroupés en une unité d'émission (26) et plusieurs dispositifs de réception (15) sont regroupés en une unité de réception (27), plusieurs unités d'émission (26) et plusieurs unités de réception (27) pouvant être disposées le long de la zone de quai ferroviaire (10) et aussi bien les unités d'émission (26) que les unités de réception (27) étant reliées par un bus de données commun (16, 17) à une unité d'exploitation (18).
  2. Dispositif selon la revendication 1 ou 2, caractérisé en ce que la distance entre deux dispositifs d'émission ou de réception (14, 15) disposés l'un près de l'autre équivaut à la moitié de la définition souhaitée du dispositif de surveillance.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les dispositifs d'émission (14) sont activables successivement en série chronologique avec les dispositifs de réception (15) respectifs correspondants.
  4. Dispositif selon une des revendications précédentes, caractérisé en ce que les dispositifs d'émission (14) d'une unité d'émission (26) sont activables successivement en série chronologique avec les dispositifs de réception (15) correspondants de l'unité de réception correspondante (27) et que plusieurs unités d'émission et de réception peuvent fonctionner parallèlement les unes aux autres.
  5. Dispositif selon une des revendications précédentes, caractérisé en ce qu'il est prévu au moins un microprocesseur (31, 45), le microprocesseur (31, 45) étant conçu pour amorcer les dispositifs d'émission (14), les dispositifs de réception (15), une unité d'émission (16) et/ou une unité de réception (27) et/ou pour exploiter les données du capteur, notamment pour identifier un corps dans la zone de quai ferroviaire (10) et pour détecter son sens de mouvement et/ou sa vitesse.
  6. Procédé de surveillance d'une zone de quai ferroviaire, comportant notamment le dispositif selon une des revendications 1 à 7, dans lequel plusieurs dispositifs d'émission (14) disposés le long d'un premier bord de la zone de quai ferroviaire (10) et plusieurs dispositifs de réception (15) disposés en face de ceux-ci de l'autre côté de la zone de quai ferroviaire (10) forment respectivement un parcours de transpondeur et que les signaux des dispositifs de réception (15) sont exploités, caractérisé en ce que le parcours de transpondeur se présente sous forme d'un parcours radar actif et que plusieurs dispositifs d'émission (14) sont regroupés en une unité d'émission (26) et plusieurs dispositifs de réception (15) en une unité de réception (27) et qu'aussi bien les unités d'émission (26) que les unités de réception (27) sont reliées par un bus de données commun (16, 17) à une unité d'exploitation (18) et qu'un corps est détecté dans la zone de quai ferroviaire lorsque le signal d'au moins deux dispositifs de réception disposés l'un à côté de l'autre (15) indique un corps dans la zone de quai ferroviaire.
  7. Procédé selon la revendication 6, caractérisé en ce qu'on détermine le nombre de dispositifs de réception disposés l'un à côté de l'autre (15) dont le signal indique un corps dans la zone de quai ferroviaire.
  8. Procédé selon la revendication 6 ou 7, caractérisé en ce que les dispositifs d'émission et de réception (14, 15) sont activés successivement en série chronologique et que la vitesse et/ou le sens de mouvement d'un corps dans la zone de quai ferroviaire sont déterminés à partir de l'information chronologique.
EP02008971A 2001-04-20 2002-04-22 Dispositif et méthode pour surveiller une zone d'un quai ferroviaire Expired - Lifetime EP1251055B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20106818U 2001-04-20
DE20106818U DE20106818U1 (de) 2001-04-20 2001-04-20 Vorrichtung zur Überwachung eines Bahnsteiggleisbereichs an Haltestellen

Publications (2)

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EP1251055A1 EP1251055A1 (fr) 2002-10-23
EP1251055B1 true EP1251055B1 (fr) 2009-12-02

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EP02008971A Expired - Lifetime EP1251055B1 (fr) 2001-04-20 2002-04-22 Dispositif et méthode pour surveiller une zone d'un quai ferroviaire

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EP (1) EP1251055B1 (fr)
AT (1) ATE450426T1 (fr)
DE (2) DE20106818U1 (fr)
DK (1) DK1251055T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVE20040026A1 (it) * 2004-06-11 2004-09-11 Tecnogramma S P A Metodo di rilevamento di grandezze caratteristiche di un oggetto in movimento ed apparecchiatura per attuare il metodo.
CN108515987A (zh) * 2018-03-30 2018-09-11 南京理工大学 一种城市轨道交通激光定位精确停车方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805061A (en) 1973-04-23 1974-04-16 Tyco Laboratories Inc Object detecting apparatus
DE2656706C2 (de) * 1976-12-15 1986-04-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zum Feststellen von Hindernissen zwischen den Schranken eines schienengleichen Bahnüberganges
JPS59163587A (ja) * 1983-03-09 1984-09-14 Fuji Electric Co Ltd 車両検知装置
DE4121168A1 (de) * 1991-06-24 1992-06-11 Heinz Peter Lichtschranken-sicherheits-system fuer personen und gueter bei fahrzeugen aller arten auf schienen
JPH07329772A (ja) * 1994-06-10 1995-12-19 Koito Ind Ltd 旅客転落検知装置
DE19717662A1 (de) * 1997-04-25 1998-10-29 Krupp Foerdertechnik Gmbh Verfahren und Einrichtung zur kontinuierlichen Ermittlung der Position eines Schienenfahrzeugs
DE19912219A1 (de) * 1998-09-24 2000-04-20 Vossloh Man Systemelektronik G Verfahren zum Ermitteln der Verzögerung bzw. des Anhaltens eines bewegten Gegenstandes, Vorrichtung zur Durchführung dieses Verfahrens sowie Verwendung dieses Verfahrens und dieser Vorrichtung
DE20020009U1 (de) 2000-11-24 2001-03-01 Ludwig, Peter, 90513 Zirndorf Überwachungssystem zur Abfertigungskontrolle eines Zuges, insbesondere bei einer U- oder S-Bahn, mit ergänzbarer Überwachung auch des Gleisbettraumes

Also Published As

Publication number Publication date
EP1251055A1 (fr) 2002-10-23
DE50214030D1 (de) 2010-01-14
ATE450426T1 (de) 2009-12-15
DK1251055T3 (da) 2010-03-22
DE20106818U1 (de) 2002-06-06

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