EP1867545B1 - Véhicule ferroviaire doté d'un système de détection des impacts de ballast - Google Patents

Véhicule ferroviaire doté d'un système de détection des impacts de ballast Download PDF

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Publication number
EP1867545B1
EP1867545B1 EP07109310A EP07109310A EP1867545B1 EP 1867545 B1 EP1867545 B1 EP 1867545B1 EP 07109310 A EP07109310 A EP 07109310A EP 07109310 A EP07109310 A EP 07109310A EP 1867545 B1 EP1867545 B1 EP 1867545B1
Authority
EP
European Patent Office
Prior art keywords
signal
rail vehicle
ballast
vehicle according
processing device
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.)
Not-in-force
Application number
EP07109310A
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German (de)
English (en)
Other versions
EP1867545A1 (fr
Inventor
Kaspar Schroeder-Bodenstein
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
Publication of EP1867545A1 publication Critical patent/EP1867545A1/fr
Application granted granted Critical
Publication of EP1867545B1 publication Critical patent/EP1867545B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like

Definitions

  • the invention relates to a rail vehicle with a subfloor, which is exposed during operation of the rail vehicle on a gravel superstructure of a railway track gravel flight.
  • Such a rail vehicle is for example from the DE 10 2004 041 090 A1 known.
  • Rail vehicles can cause gravel flight when driving on a gravel superstructure. Specifically, stones are carried out of the ballast bed by air forces of the drag flow or by falling of the ice accumulations in winter. These gravel stones hit with sufficient height of elevation primarily the underbody of the rail vehicle and cause damage to the same when hitting the underbody and the lower parts of the vehicle. Since the impacts of ballast usually occur in the back of the rail vehicle and at the bottom, they are not noticed by the platoon leader.
  • the technical background of the invention also includes the WO 2006/021050 A , which has an analysis of the noise situation in a wheel / rail interface to the object.
  • An acoustic signal pickup is used to detect any noise and, if necessary, to derive measures related to a condition of the rail.
  • the invention has the object, a rail vehicle of the type mentioned in such a way that occurring gravel flight can be borne in driving the rail vehicle.
  • a rail vehicle of the type described above in that the subfloor is equipped with at least one acoustic signal sensor that detects the gravel striking the subfloor acoustically, a signal processing device is provided to which a signal from the at least one acoustic signal sensor is supplied and which processes the signal to produce a ballast signal representative of the gravel stone underfill and the ballast signal of the signal processing device enters into an operating mode of the rail vehicle.
  • ballast flight thus takes place with the aid of at least one acoustic signal pickup, so that when a ballast hits the underside of the rail vehicle generated sound waves are detected.
  • Intensity maxima of the signal from the at least one acoustic signal receiver for particular frequency ranges may then be considered representative of the impact of a ballast on the subsoil.
  • any component on a bottom side of the rail vehicle is understood in the following description, any component on a bottom side of the rail vehicle.
  • the underbody of underfloor arranged components such as electrical units or the chassis, formed, which are also to protect against gravel flight.
  • the signal processing device is used to evaluate the signal generated by the signal pickup in such a way that the signal reproduces the loading of the subsoil with ballast stones.
  • the signal processing device preferably processes the signal from the at least one acoustic signal sensor in such a way that it recognizes individual ballast strikes, counts the gravel strikes, and inputs a number of gravel strikes per unit time into the ballast signal.
  • the ballast signal can signal a frequency of gravel strikes.
  • the signal processing device can evaluate the ballast signal in terms of exceeding a predetermined safety level and output a warning signal when the safety level is exceeded.
  • the security level can be adjusted to the fact that a Reduction of the vehicle speed due to the occurring gravel flight appears appropriate.
  • the warning signal can then be converted by a train driver of the rail vehicle in such a way that the vehicle speed is reduced to a value at which the ballast flight is sufficiently reduced.
  • the warning signal may also be directed to a central train control, which may automatically cause the speed reduction, or an infrastructure-side control center.
  • the signaling to the control center could then take place by means of a wireless communication link from the rail vehicle to the remote control center.
  • the at least one signal receiver In order to reduce the signal from the at least one signal receiver to the significant signal components for the detection of ballast impact, it is preferred if it includes electronic components for bandpass filtering, signal squaring and sliding summation.
  • the number of gravel stones striking the subfloor may be calculated based on one or more predetermined time intervals. These time intervals are to be selected in such a way that a representative statement is made on the impact of gravel stone impact on the subfloor.
  • ballast stones are acoustically indicated by a warning signal.
  • a train driver in plastic type and Way gives an acoustic impression of the ballast situation on the underbody of the rail vehicle.
  • the ballast signal may also be visually displayed, resulting in an increased illustration of, for example, the driver.
  • a signal generator is arranged which is designed to generate the sound of a ballast stone striking the subfloor. Because of this, the signal processing device, in particular its electronic components, such as bandpass filtering, can be designed so that unnecessary signal components that are not associated with the impact of a ballast stone are effectively suppressed.
  • the at least one signal sensor can be formed by a sound microphone, which may need to be protected against gravel stone impact.
  • a plurality of signal pickups is arranged distributed over the underbody of the rail vehicle and is in communication with the signal processing device which processes the plurality of signals of the signal pickup.
  • the ballast signal is generated based on the plurality of signals from the various signal receivers.
  • the signal receiver may also be an accelerometer connected to the rail vehicle structure which detects structure-borne noise signals.
  • the presented embodiments of the invention provide the advantage that, for example, the train driver, the control center or the train control information about ein whichde gravel stones are supplied. Based This information can be done, for example, in winter in snowy situations an immediate, temporary reduction of driving speed and thus further damage can be avoided. In relation to the alternative, general, preventive speed reductions on snow layers, which are otherwise usual in this situation, the necessary operational restrictions of the rail vehicle can be significantly reduced. A reduction in speed, for example, must take place only if too high ballast is actually detected with the help of the proposed arrangement.
  • Another possible application of the invention is to identify sections of high grade ballast slope. In some cases, a reduction of the permissible driving speed can be made there until a relevant route section is repaired again.
  • an overall arrangement for detecting and signaling gravel flight in a rail vehicle in the present exemplary embodiment comprises a total of four acoustic signal receivers 1, 2, 3, 4 designed as sound microphones.
  • the first signal receiver 1 is arranged in the area of a bogie D in the underbody area.
  • the signal pickups 2, 3 are located on an outer side of the underbody area or above the subfloor, which is particularly affected by an impact Gravel flight is affected.
  • the fourth signal sensor 4 is attached to a bogie section immediately adjacent to a lower side of the rail vehicle.
  • Each of the signal receivers 1, 2, 3, 4 detects sound waves, from an associated detection area.
  • individual ballast stones thrown upwards by a trailing current or by falling ice accumulations in the winter produce sound waves as a result of the impact on the subsoil U detected by the signal transducers 1, 2, 3, 4 and into electrical signals S1, S2 , S3, S4 are implemented.
  • only a single signal sensor can be provided, which then naturally has a limited detection range for the impact of ballast stones.
  • the four signals S1, ..., S4 are fed to a signal processor 5 which includes electronic components for bandpass filtering, signal squaring and sliding summation.
  • the signal processing device 5 operates digitally and samples the individual signals S1,..., S4 with the aid of a signal processor.
  • a signal generator 7 for calibrating the signal processing device or for self-test is a signal generator 7 (see. FIG. 2 ), which is designed to emit acoustic signals that play on the subsoil U striking ballast stones.
  • the signal processing device 5 can be set so that a suitable filtering of the signals S1,..., S4 can take place. The reliable detection of impinging ballast with suppression of interference is promoted.
  • the signal processing device 5 generates a ballast flight signal S5 from the signals S1,..., S4 on the following basis: for the individual signals S1,..., S4 counted over one or more predetermined time intervals, how many impinging ballast stones are detected.
  • the ballast signal S5 then represents a frequency of impacting ballast stones and thus a measure of the loading of the underbody of the rail vehicle with ballast flight.
  • the signal processing device 5 may also be limited in its function to performing only a ballast stone detection for the individual signals S1,..., S4.
  • the ballast signal S5 is directed to a monitoring device 6, which may be arranged in the occupied area of a train driver of the rail vehicle.
  • the conductor can be indicated acoustically or also by means of an optical display the ballast signal S5 for information purposes. He can then react, for example by reducing the speed of the rail vehicle on elevated ballast.
  • the monitoring device 6 may also be a component of a central train control, which automatically initiates a reduction in the speed of the rail vehicle when the ballast is too high.
  • the ballast signal S5 it is conceivable for the ballast signal S5 to be transmitted to a remote control station on which the monitoring device 6 is also arranged. This can be done for example by means of a wireless communication connection between rail vehicle and control center.
  • the signal processing device 5 may be configured such that when it exceeds a predetermined signal level for the ballast signal S5 when it rises Time intervals, a warning signal S6 outputs to the monitoring device 6.
  • the signal level should then be selected so that exceeding it causes a reduction in speed. It is also possible that a lower signal level is set at which an increase in speed of the rail vehicle can take place since previously occurred ballast flight is no longer present.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Geophysics And Detection Of Objects (AREA)

Claims (13)

  1. Véhicule ferroviaire ayant un dessous de caisse ( U ) qui, lorsque le véhicule ferroviaire fonctionne sur une assise ballastée d'une section de voie, est soumise à un vol de ballast,
    caractérisé en ce que
    le dessous de caisse ( U ) est équipé d'au moins un capteur ( 1 ) acoustique de signalisation, qui détecte acoustiquement des pierres de ballast heurtant le dessous de caisse ( U )
    il est prévu un dispositif ( 5 ) de traitement du signal, auquel un signal ( S1 ) du au moins un capteur ( 1 ) acoustique de signal est envoyé et qui traite le signal ( S1 ), de manière à produire un signal (S5) de vol de ballast qui reproduit que le dessous de caisse ( U ) a été heurté par des pierres de ballast, et
    le signal de vol de ballast, provenant du dispositif ( 5 ) de traitement du signal, intervient dans un mode de service du véhicule ferroviaire.
  2. Véhicule ferroviaire suivant la revendication 1,
    caractérisé en ce que
    le dispositif ( 5 ) de traitement du signal traite le signal ( S1 ) du au moins un capteur ( 1 ) acoustique de signal, de manière à reconnaître des chocs individuels de pierres de ballast, compte les chocs de pierres de ballast et un nombre obtenu de chocs de pierres de ballast par unité de temps intervient dans le signal de vol de ballast.
  3. Véhicule ferroviaire suivant l'une des revendications 1 ou 2,
    caractérisé en ce que
    le dispositif ( 5 ) de traitement du signal exploite le signal ( S5 ) de vol de ballast en ce qui concerne le dépassement d'un niveau de sécurité déterminé à l'avance et, s'il y a dépassement du niveau de sécurité, émet un signal ( S6 ) d'avertissement.
  4. Véhicule ferroviaire suivant la revendication 3,
    caractérisé en ce que
    le signal ( S6 ) d'avertissement est envoyé à un conducteur de train du véhicule ferroviaire, à une commande de train ou à un poste de conduite du côté de l'infrastructure.
  5. Véhicule ferroviaire suivant l'une des revendications 1 à 4,
    caractérisé en ce que le dispositif ( 5 ) de traitement du signal comporte des composants électroniques pour un filtrage à bande passante, une élévation au carré et une sommation mobile.
  6. Véhicule ferroviaire suivant l'une des revendications 1 à 5,
    caractérisé en ce que
    le dispositif ( 5 ) de traitement du signal opère numériquement et par échantillonnage du signal du au moins un capteur ( 1 ) de signal dans un processeur de signal.
  7. Véhicule ferroviaire suivant l'une des revendications 1 à 6,
    caractérisé en ce que
    le nombre des pierres de ballast heurtant le dessous de caisse rapporté à un ou à plusieurs intervalles de temps déterminé à l'avance, est calculé.
  8. Véhicule ferroviaire suivant l'une des revendications 1 à 7,
    caractérisé en ce que
    des pierres de ballast détectées individuellement sont indiquées acoustiquement par un signal d'avertissement.
  9. Véhicule ferroviaire suivant l'une des revendications 1 à 8,
    caractérisé en ce que
    le signal ( S5 ) de vol de ballast est affiché visuellement.
  10. Véhicule ferroviaire suivant l'une des revendications 1 à 9,
    caractérisé en ce que
    dans la zone du au moins un capteur ( 1 ) acoustique de signal est monté un transmetteur ( 7 ) de signal, qui est conçu pour la production du bruit d'une pierre de ballast heurtant le dessous de caisse ( 1 ).
  11. Véhicule ferroviaire suivant l'une des revendications 1 à 10,
    caractérisé en ce que
    le au moins un transmetteur ( 1 ) de signal est formé d'un microphone acoustique.
  12. Véhicule ferroviaire suivant l'une des revendications 1 à 11,
    caractérisé en ce que
    le au moins un capteur ( 1 ) de signal est un capteur d'accélération relié à la structure du véhicule ferroviaire.
  13. Véhicule ferroviaire suivant l'une des revendications 1 à 12,
    caractérisé en ce que
    une pluralité de capteurs ( 1, 2, 3, 4 ) de signal est répartie sur le dessous de caisse de véhicule ferroviaire et est en liaison avec le dispositif (5) de traitement du signal, qui traite la pluralité de signaux ( S1, S2, S3, S4 ) des capteurs ( 1, 2, 3, 4 ) de signal.
EP07109310A 2006-06-14 2007-05-31 Véhicule ferroviaire doté d'un système de détection des impacts de ballast Not-in-force EP1867545B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006028004A DE102006028004B4 (de) 2006-06-14 2006-06-14 Schienenfahrzeug mit Schotterflug-Erfassung

Publications (2)

Publication Number Publication Date
EP1867545A1 EP1867545A1 (fr) 2007-12-19
EP1867545B1 true EP1867545B1 (fr) 2012-05-02

Family

ID=38537897

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07109310A Not-in-force EP1867545B1 (fr) 2006-06-14 2007-05-31 Véhicule ferroviaire doté d'un système de détection des impacts de ballast

Country Status (8)

Country Link
US (1) US7605690B2 (fr)
EP (1) EP1867545B1 (fr)
CN (1) CN101089585B (fr)
AT (1) ATE555964T1 (fr)
DE (1) DE102006028004B4 (fr)
ES (1) ES2384186T3 (fr)
PT (1) PT1867545E (fr)
RU (1) RU2435688C2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2938490B1 (fr) * 2008-11-20 2014-04-25 Soc Nat Des Chemins De Fer Francais Procede et systeme de detection d'impacts sur des zones a surveiller d'un vehicule roulant
EP2517944B1 (fr) 2010-03-23 2017-05-03 Bombardier Transportation GmbH Protection contre la collision pour un train de roulement d'un véhicule ferroviaire
CN103523040B (zh) * 2013-10-17 2016-08-17 南车株洲电力机车有限公司 一种排障装置和一种路况信息收集方法
ES2807906T3 (es) * 2014-02-19 2021-02-24 Bombardier Transp Gmbh Protección contra impactos para un tren de rodadura de un vehículo ferroviario
CN104913891B (zh) * 2014-12-29 2018-10-09 湖南吉利汽车部件有限公司 冲击试验装置
DE102015203026A1 (de) 2015-02-19 2016-08-25 Bayerische Motoren Werke Aktiengesellschaft Kraftfahrzeug mit Schotterdetektionsvorrichtung und Verfahren zum Detektieren von Schotter
CN107941910B (zh) * 2017-11-15 2020-06-02 唐智科技湖南发展有限公司 一种识别轨道上障碍物的方法及系统
CN110160621B (zh) * 2019-05-30 2021-08-06 中国人民解放军陆军军事交通学院 一种汽车机械异响快速诊断装置
DE102020126565A1 (de) 2020-10-09 2022-04-14 Audi Aktiengesellschaft Fahrzeug mit einer Hochvoltbatterie

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Publication number Priority date Publication date Assignee Title
US2944250A (en) * 1958-01-24 1960-07-05 Gen Electric Meteor particle impact sensing apparatus
US4073193A (en) * 1976-10-04 1978-02-14 Mastandrea John R Transducer device
US6044698A (en) * 1996-04-01 2000-04-04 Cairo Systems, Inc. Method and apparatus including accelerometer and tilt sensor for detecting railway anomalies
CA2212063A1 (fr) * 1997-08-29 1999-02-28 Robert Douglas Stephens Systeme de detection de vibrations, de localisation et d'alarme, permettant de stopper un train en cas de danger
DE19826764A1 (de) * 1998-06-05 1999-12-16 Siemens Ag Verfahren und Einrichtung zur Zustandsbewertung eines Bahngleises
DE19826220A1 (de) * 1998-06-09 1999-12-23 Tamas Diebel Vorrichtung zur Erkennung von Fahrwerkschäden an Schienenfahrzeugen während der Fahrt
CN2473089Y (zh) * 2001-04-28 2002-01-23 上海理工大学附属二厂 轨道综合测量仪
DE102004041090A1 (de) 2004-08-24 2006-03-02 Siemens Ag Schienenfahrzeug für einen Fahrbetrieb auf Schienenanlagen mit Schotter-Oberbau
WO2006021050A1 (fr) 2004-08-26 2006-03-02 Queensland Rail Analyse du bruit roue-rail
CN1775604A (zh) * 2005-12-14 2006-05-24 株洲时代新材料科技股份有限公司 铁路客车车辆振动噪声控制的表面阻尼处理方法

Also Published As

Publication number Publication date
CN101089585B (zh) 2011-04-13
ATE555964T1 (de) 2012-05-15
DE102006028004A1 (de) 2007-12-20
RU2007121955A (ru) 2008-12-20
ES2384186T3 (es) 2012-07-02
EP1867545A1 (fr) 2007-12-19
DE102006028004B4 (de) 2011-07-28
PT1867545E (pt) 2012-06-26
US20070296561A1 (en) 2007-12-27
RU2435688C2 (ru) 2011-12-10
CN101089585A (zh) 2007-12-19
US7605690B2 (en) 2009-10-20

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