US20120181392A1 - Track-bound vehicle having a sensor device - Google Patents

Track-bound vehicle having a sensor device Download PDF

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Publication number
US20120181392A1
US20120181392A1 US13/384,482 US201013384482A US2012181392A1 US 20120181392 A1 US20120181392 A1 US 20120181392A1 US 201013384482 A US201013384482 A US 201013384482A US 2012181392 A1 US2012181392 A1 US 2012181392A1
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United States
Prior art keywords
track
bound vehicle
car
cars
area
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.)
Abandoned
Application number
US13/384,482
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English (en)
Inventor
Rainer David
Norbert Kuhlmann
Bernhard Mayer
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 AG
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Siemens AG
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Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Assigned to SIEMENS AKTIENGESELLSCHAFT reassignment SIEMENS AKTIENGESELLSCHAFT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DAVID, RAINER, KUHLMANN, NORBERT, MAYER, BERNHARD
Publication of US20120181392A1 publication Critical patent/US20120181392A1/en
Abandoned legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0081—On-board diagnosis or maintenance

Definitions

  • the invention relates to a track-bound vehicle having a first car and a second car which are coupled to one another, and having at least one sensor device for monitoring an area between the two coupled cars.
  • track-bound vehicles i.e. for example in rail vehicles, magnetic levitation railways or else track-bound trains with rubber tires
  • there may be a risk when the track-bound vehicle has a plurality of cars which are coupled to one another, that a person falls down into the area between two coupled cars, for example while the vehicle is stopped at a station or at a stopping point.
  • Visually impaired persons or persons intoxicated with alcohol are particularly at risk here, while, on the other hand, a person may, for example, also fall in such a way due to overcrowding on the platform.
  • automated monitoring of the area between coupled cars of a track-bound vehicle is desirable.
  • a track-bound vehicle of the type mentioned at the beginning is known from German Utility Model DE 201 19 009 U1.
  • Said document describes a monitoring system for monitoring the intermediate spaces between cars of a train which are coupled to one another, wherein obstacles in the area between the cars can be detected by means of ultrasonic sensors.
  • the ultrasonic sensors which operate according to a reflection principle are arranged above the coupling between the cars in order to permit persons who are present without authorization on the buffers in the coupling area between the cars to be sensed.
  • the present invention is based on the object of specifying a track-bound vehicle having a first car and a second car which are coupled to one another, and having at least one sensor device for monitoring an area between the two coupled cars, which permits particularly reliable monitoring of the area between the two coupled cars.
  • a track-bound vehicle having a first car and a second car which are coupled to one another, and having at least one sensor device for monitoring an area between the two coupled cars, wherein the at least one sensor device is an optical sensor system which has, on the first car, at least one optical transmitter which is aligned with the area to be monitored, and has, on the second car, at least one optical receiver, and is designed to output a detection signal when the light path between the at least one optical transmitter and the at least one optical receiver is interrupted.
  • the track-bound vehicle according to the invention is advantageous since it has an optical sensor system which operates according to a transmitter/receiver principle.
  • the optical sensor system comprises, on the first car, at least one optical transmitter which is aligned with the area to be monitored, and comprises, on the second car, at least one optical receiver.
  • the optical sensor system is preferably aligned here in such a way that the light path runs parallel to the longitudinal axis of the track-bound vehicle.
  • the optical sensor system is designed to output a detection signal if the light path between the at least one optical transmitter and the at least one optical receiver is interrupted.
  • an interruption of the light path between the at least one optical transmitter and the at least one optical receiver which is, under certain circumstances, only a partial interruption above a threshold, is referred to as an interruption.
  • the optical sensor system may be designed either in the form of an individual photoelectric barrier or else in the form of a light curtain.
  • the detection signal is preferably already triggered when the light path to one of the optical receivers is interrupted.
  • the detection signal may, for example, not be triggered until the light path or the light paths to two adjacent optical receivers is/are interrupted.
  • an optical sensor system of the specified type is advantageous since such a system is comparatively robust with respect to rocking of the two cars of the track-guided vehicle.
  • a light cone with a base surface diameter of approximately 33.5 cm can be obtained computationally in the area of the optical receiver.
  • the optical receivers still detect the light irradiated by the respective optical transmitter even when there is a considerable horizontal or vertical offset between the two coupled cars with respect to one another.
  • the base surface diameter of the light cone also increases correspondingly.
  • incorrect triggering is advantageously avoided or at least reduced by the use of a transmitter/receiver principle.
  • optical sensor system is also advantageous to the effect that it avoids possible problems in terms of the electromagnetic compatibility (EMC) of the sensor device.
  • EMC electromagnetic compatibility
  • the at least one optical sensor can emit modulated light, as a result of which at the respective optical receiver it is possible to carry out verification of the respective optical transmitter as the source of the received light.
  • optical sensor systems are surprisingly insensitive to adverse effects due to soiling, with the result that reliable operation of the optical sensor system is ensured even under the rough conditions of use outside the track-bound vehicle. Furthermore, there is the advantage that corresponding optical sensor systems are available comparatively cost-effectively in a form which is suitable for railway applications.
  • the track-bound vehicle according to the invention can, of course, also have more than two cars which are coupled to one another.
  • all the areas between coupled cars of the track-bound vehicle are preferably monitored in the way described above.
  • monitoring is not carried out for all the areas between the cars. This may be the case, for example, if individual cars of the coupled cars are technically not equipped, or not yet equipped, for corresponding monitoring.
  • the track-bound vehicle according to the invention is preferably developed in such a way that in terms of their mounting height the at least one optical transmitter and the at least one optical receiver are each arranged underneath the car body of the respective car.
  • This is advantageous since, owing to the comparatively low mounting height of the at least one optical transmitter and of the at least one optical receiver, the monitoring usually takes place in a spatial area below the edge of the platform. This advantageously makes it more difficult for passengers on the platform to tamper with the optical sensor system.
  • monitoring of the area above the coupling is therefore intentionally dispensed with here, with the result that a person who is located on the coupling generally will not be detected.
  • the track-bound vehicle according to the invention therefore preferably serves less to protect such persons who deliberately enter the area between the cars but rather to protect such persons who have entered the monitored area owing to an accident or in error.
  • the optical sensor system can be implemented using light of any desired wavelength which is emitted by the at least one optical transmitter.
  • the at least one optical sensor system is an infrared sensor system. This provides, in particular, the advantage that the light path remains invisible to the human eye, and therefore the probability of attempts at tampering or disruption are reduced.
  • the track-bound vehicle according to the invention is configured in such a way that at least one further optical sensor system is provided which has, on the second car, at least one further optical transmitter which is aligned with the area which is to be monitored, and has, on the first car, at least one further optical receiver, and is designed to output a further detection signal when the light path between the at least one further optical transmitter and the at least one further optical receiver is interrupted.
  • the further optical sensor system may be operated in a redundant fashion with respect to the optical sensor system, i.e. can monitor the same area between the two coupled cars.
  • different component areas of the area which is to be monitored between the cars are preferably monitored by the optical sensor system and the further optical sensor system.
  • the above-mentioned preferred embodiments of the track-bound vehicle according to the invention which relate to the optical sensor system also apply analogously to the further optical sensor system.
  • This therefore relates both to an arrangement of the at least one further optical transmitter and of the least one further optical receiver at a level below the car body of the respective car as well as to the design of the further optical sensor system as an infrared sensor system.
  • the preferred embodiments of the track-bound vehicle according to the invention which are described below can, insofar as they relate to the optical sensor system, also be applied analogously to the further optical sensor system which is present under certain circumstances.
  • the track-bound vehicle according to the invention is developed in such a way that the at least one optical sensor system is connected to a controller device of the track-bound vehicle and is designed to transmit the detection signal to the controller device.
  • the controller device which can be, for example, a component of a central vehicle controller of the track-bound vehicle, is informed of an interruption of the light path between the at least one optical transmitter and the at least one optical receiver, with the result that corresponding measures can be taken at the vehicle.
  • the optical sensor system is a component of the track-bound vehicle according to the invention, a direct transmission of the detection signal to the controller device is possible.
  • the track-bound vehicle according to the invention can advantageously also be designed in such a way that a technical safety reaction of the track-bound vehicle is triggered at the controller device in response to the reception of the detection signal. This advantageously ensures that those measures which are necessary to avoid danger to a person falling into the area between the cars are taken directly and as quickly as possible.
  • the type of technical safety reaction which is triggered by the controller device depends on the design of the respective track-bound vehicle and the requirements of the respective operator.
  • the track-bound vehicle is designed in such a way that a starting prevention device or braking of the track-bound vehicle is triggered at the controller device in response to the reception of the detection signal. This is advantageous since as a result starting or continued travel of the track-bound vehicle, in particular in the area of a stopping point, is reliably prevented as quickly as possible, as a result of which a person who has possibly fallen into the area between the cars is protected as well as possible.
  • the track-bound vehicle according to the invention can also be developed in such a way that, at the controller device, a warning signal is transmitted to the driver's cab and output there in response to the detection signal. Corresponding outputting can occur, for example, by means of a visual display on a driver's display and/or by means of an acoustic warning signal. This ensures that the driver or controller of the track-bound vehicle is also directly informed of the present alarm situation.
  • the track-bound vehicle according to the invention can, however, basically also be designed for fully automatic driverless operation.
  • the detection signal is preferably passed on automatically to the control point via a control channel.
  • signaling to a passenger information system can additionally take place at the controller device, which passenger information system can then issue an announcement prepared for such a case to the passengers via internal loudspeakers and/or external loudspeakers of the track-bound vehicle.
  • the track-bound vehicle according to the invention is preferably developed in such a way that the monitoring of the area between coupled cars is activated or deactivated as a function of the respective operating situation of the track-bound vehicle.
  • the monitoring can therefore be activated, for example, in an operation state or in an operational time phase during which the track-bound vehicle is dispatched at a stopping point or else starts in the area of the stopping point.
  • the monitoring may be deactivated. Such deactivation can be carried out here, for example, either by switching off the optical sensor system as well as, if appropriate, the further optical sensor system, or else by virtue of the fact that, for example, the controller device gates out detection signals in the corresponding operating situation.
  • the track-bound vehicle according to the invention is designed to determine its coupling state, and the monitoring of the area between the cars is activated or deactivated as a function of the determined coupling state.
  • the track-bound vehicle determines here at which of its couplings cars are connected to one another. The monitoring of the area between the cars is therefore expressly activated only in a case in which a car is actually coupled and therefore an area between the coupled cars which is to be monitored exists at all.
  • the track-bound vehicle is also advantageously designed in such a way that the monitoring of the area between the cars is activated or deactivated as a function of the presence of a door release signal. It is therefore conceivable, for example, that the monitoring is activated as soon as opening of the doors is permitted by means of a door release signal after the vehicle comes to a standstill at a stopping point. The monitoring can subsequently be deactivated when, for example, the track-bound vehicle has traveled a certain distance from the stopping point.
  • the track-bound vehicle is designed to perform regular automatic function checking of the at least one optical sensor system.
  • the at least one optical transmitter can have, for example, a test input whose activation causes the optical transmitter to be switched off, with the result that all the opposite receivers signal triggering.
  • a corresponding test can be activated and evaluated, for example, by the controller device of the track-bound vehicle in each case after the vehicle has departed from a stopping point, for example. If a fault is detected within the scope of the test, this can advantageously be displayed on the driver display.
  • the track-bound vehicle according to the invention basically has the advantage that the optical sensor system carries out automated monitoring of the area between the cars. Direct or indirect monitoring of the area by the driver of the track-bound vehicle or some other person is therefore advantageously not necessary.
  • at least one camera which is aligned with the area between the coupled cars is provided.
  • FIGURE shows a schematic outline of an exemplary embodiment of the track-bound vehicle according to the invention.
  • the FIGURE illustrates a track-bound vehicle 1 with a first car 10 and second car 20 .
  • the two cars 10 , 20 are coupled to one another by means of couplings 13 , 23 .
  • the first car 10 is composed of car components 11 and 12
  • the second car 20 is composed of car components 21 and 22 .
  • the respective car components 11 , 12 and, respectively, 21 , 22 are connected to one another in an uninterrupted fashion by junction means, with the result that a person who is, for example, located in an area between the car components 11 , 12 or, respectively, 21 , 22 at a stopping point is prevented from falling.
  • the track-bound vehicle 1 which may be, for example, a rail vehicle in the form of a local transportation train or a long-distance transportation train, subway train or a local transit system vehicle or else some other track-bound vehicle which does not travel on rails, has an optical sensor system.
  • the optical sensor system comprises, on the first car 10 , at least one optical transmitter 15 which is aligned with the area 31 which is to be monitored.
  • the optical transmitter 15 is a light curtain system which functions with infrared technology, i.e. an infrared light strip with infrared transmitting diodes.
  • the second car 20 has at least one optical receiver 28 in the form of an infrared reception light strip with infrared receiving diodes. This advantageously ensures complete reliable coverage of the area 31 which is to be monitored.
  • the at least one optical transmitter 15 and the at least one optical receiver 28 are, in terms of their mounting height, each advantageously arranged below the car body or below the lower edge of the car body of the respective car 10 , 20 .
  • the mounting is advantageously carried out in such a way that the components are largely protected against damage.
  • the rail vehicle 1 also has a further optical sensor system which comprises, on the second car 20 , at least one further optical transmitter 26 which is aligned with the area 32 which is to be monitored, and comprises, on the first car 10 , at least one further optical receiver 17 .
  • a further optical sensor system which comprises, on the second car 20 , at least one further optical transmitter 26 which is aligned with the area 32 which is to be monitored, and comprises, on the first car 10 , at least one further optical receiver 17 .
  • the area which is to be monitored in the exemplary embodiment of the FIGURE is divided by the couplings 13 , 23 into two component areas 31 , 32 which are each monitored by a separate optical sensor system.
  • the optical sensor system and the further optical sensor system can either be embodied as completely separate systems or else as one integrated common system.
  • the optical transmitter 16 and the optical receiver 18 of the first car 10 is deactivated on the basis of the fact that the coupling 14 of the car 10 is in an uncoupled state. This may be detected, for example, on the basis of a mechanical and/or electrical coupling criterion and used for deactivating the at least one optical transmitter 16 and the at least one optical receiver 18 .
  • the monitoring can advantageously be adapted in a variable fashion to the requirements of the size and shape of the area or object which is to be monitored.
  • a response by the interrupted light connection is detected and processed by a controller device of the vehicle control system.
  • a selection can be made at the vehicle controller to the effect that exclusively desired operating situations or operational time phases are monitored. This relates, for example, to the dispatching of the track-bound vehicle 1 at a stopping point and the moving off in the area of the stopping point.
  • Other operational situations or operational time phases for which monitoring of the area between the cars 10 , 20 is not expedient can, on the other hand, be gated out in order to improve the interference suppression, i.e. the monitoring is deactivated.
  • a technical safety reaction by the track-bound vehicle 1 is triggered at the controller device of the vehicle control system or generally of a downstream logic system in response to the reception of a detection signal from the optical system which is formed from the transmitter 15 and the optical receiver 28 or, respectively, from the further optical system which is formed from the optical transmitter 26 and the optical receiver 17 .
  • Such a technical safety reaction may be, for example, braking or prevention of starting.
  • the event which has occurred is advantageously indicated to the driver or to the control center in a way which requires acknowledgement, wherein various safety levels can advantageously be implemented by means of a subsequent or downstream logic evaluation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Traffic Control Systems (AREA)
US13/384,482 2009-07-16 2010-07-05 Track-bound vehicle having a sensor device Abandoned US20120181392A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009033980.9 2009-07-16
DE102009033980A DE102009033980B4 (de) 2009-07-16 2009-07-16 Spurgebundenes Fahrzeug
PCT/EP2010/059515 WO2011006782A1 (de) 2009-07-16 2010-07-05 Spurgebundenes fahrzeug mit sensoreinrichtung

Publications (1)

Publication Number Publication Date
US20120181392A1 true US20120181392A1 (en) 2012-07-19

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US13/384,482 Abandoned US20120181392A1 (en) 2009-07-16 2010-07-05 Track-bound vehicle having a sensor device

Country Status (9)

Country Link
US (1) US20120181392A1 (ru)
EP (1) EP2454144B1 (ru)
CN (1) CN102470884B (ru)
BR (1) BR112012001053A2 (ru)
DE (1) DE102009033980B4 (ru)
ES (1) ES2421392T3 (ru)
PL (1) PL2454144T3 (ru)
RU (1) RU2498918C2 (ru)
WO (1) WO2011006782A1 (ru)

Cited By (3)

* Cited by examiner, † Cited by third party
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CN111891168A (zh) * 2020-07-20 2020-11-06 中车长春轨道客车股份有限公司 一种新型地铁车辆密接式自动车钩防误解钩装置
GB2578618B (en) * 2018-11-01 2021-09-15 Hitachi Ltd Train coupling support system
EP4015343A1 (fr) * 2020-12-21 2022-06-22 ALSTOM Holdings Véhicule ferroviaire comprenant un dispositif de surveillance et procédé de surveillance associé

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DE102019201692A1 (de) * 2019-02-11 2020-08-13 Zf Friedrichshafen Ag Verfahren und System zur Begrenzung und Überwachung mindestens eines Arbeitsbereichs für zumindest ein autonom betriebenes Fahrzeug

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US5160190A (en) * 1991-05-20 1992-11-03 Automated Storage & Retrieval Systems Of America Inc. Movable storage system with aisle monitoring apparatus
US6393344B2 (en) * 1999-12-16 2002-05-21 Daimlerchrysler Rail Systems Gmbh Interference current monitoring
US6707028B2 (en) * 2001-02-14 2004-03-16 Spacesaver Corporation Rotating light source system for detecting an obstruction in a space, for use in a mobile storage system
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2578618B (en) * 2018-11-01 2021-09-15 Hitachi Ltd Train coupling support system
CN111891168A (zh) * 2020-07-20 2020-11-06 中车长春轨道客车股份有限公司 一种新型地铁车辆密接式自动车钩防误解钩装置
EP4015343A1 (fr) * 2020-12-21 2022-06-22 ALSTOM Holdings Véhicule ferroviaire comprenant un dispositif de surveillance et procédé de surveillance associé
FR3117981A1 (fr) * 2020-12-21 2022-06-24 Alstom Transport Technologies Véhicule ferroviaire comprenant un dispositif de surveillance et procédé de surveillance associé

Also Published As

Publication number Publication date
RU2012105337A (ru) 2013-08-27
EP2454144A1 (de) 2012-05-23
CN102470884B (zh) 2015-07-22
RU2498918C2 (ru) 2013-11-20
ES2421392T3 (es) 2013-09-02
CN102470884A (zh) 2012-05-23
PL2454144T3 (pl) 2013-11-29
DE102009033980A1 (de) 2011-01-20
EP2454144B1 (de) 2013-06-05
WO2011006782A1 (de) 2011-01-20
BR112012001053A2 (pt) 2016-03-15
DE102009033980B4 (de) 2013-08-01

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AS Assignment

Owner name: SIEMENS AKTIENGESELLSCHAFT, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DAVID, RAINER;KUHLMANN, NORBERT;MAYER, BERNHARD;SIGNING DATES FROM 20111213 TO 20111216;REEL/FRAME:027656/0662

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION