EP0949134A1 - Dispositif pour mesurer sans contact la température des paliers de véhicules sur rails en marche - Google Patents

Dispositif pour mesurer sans contact la température des paliers de véhicules sur rails en marche Download PDF

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Publication number
EP0949134A1
EP0949134A1 EP99890110A EP99890110A EP0949134A1 EP 0949134 A1 EP0949134 A1 EP 0949134A1 EP 99890110 A EP99890110 A EP 99890110A EP 99890110 A EP99890110 A EP 99890110A EP 0949134 A1 EP0949134 A1 EP 0949134A1
Authority
EP
European Patent Office
Prior art keywords
infrared
optics
bearing
infrared optics
directed towards
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99890110A
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German (de)
English (en)
Other versions
EP0949134B1 (fr
Inventor
Johannes Karner
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.)
OEBB-INFRASTRUKTUR BETRIEB AKTIENGESELLSCHAFT
Original Assignee
Osterreichische Bundesbahnen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Osterreichische Bundesbahnen filed Critical Osterreichische Bundesbahnen
Priority to SI9930828T priority Critical patent/SI0949134T1/sl
Publication of EP0949134A1 publication Critical patent/EP0949134A1/fr
Application granted granted Critical
Publication of EP0949134B1 publication Critical patent/EP0949134B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B61K9/04—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault
    • B61K9/06—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault by detecting or indicating heat radiation from overheated axles

Definitions

  • the invention has a contactless device Measuring the temperature of moving rail-mounted bearings Vehicles, especially those of people and / or Freight traffic with an infrared measuring device to the object.
  • the duration of use of rail-bound vehicles like locomotives, railcars, passenger and freight cars because of the large distances to be covered high, so that the maintenance condition of such vehicles particularly high scale is set. Furthermore, the speed from freight trains to over 120 km / h and passenger trains increased over 200 km / h. These increased speeds cause a large increase in stress since the forces increase with the square of the speed and thus the But also the brakes of a wagon or locomotive subject to increased warming.
  • the railbound Movement of people and goods generally indicates that Advantage on that the railroads to the center of a Residential or industrial area, in these cases, for example when transporting dangerous goods, particularly high demands on safety of the vehicles.
  • the infrared radiation measuring devices are thus high demands made.
  • Such facilities are state of the art of technology and have, for example, a detector: HgCd, HgTe, InSb, PbSe or a combination of such semiconductors on.
  • the detector must be set to a predetermined temperature are kept below the Ambient temperature has to be. Because an electrical supply such systems is required and energy consumption is not important for cooling the detector, cooling according to the Peltier effect is preferred Commitment.
  • the detector in the track superstructure becomes like this be appropriate that mechanical damage, for example caused by the train, is safely avoided.
  • the heated parts radiate heat in every direction and it is required that of those moving at high speed Parts from the measuring point infrared rays with a possible high intensity can be detected.
  • the detector usually does not exist the possibility of placing the detector directly on the axis aligned heated component, but it will be the one of the heated component outgoing heat rays over a Infrared lens or collector bundled and over a mirror, which usually rotates in its plane, to Throwing off dirt particles to the detector.
  • a wheel counter which the infrared measuring section is arranged, so it will the infrared measuring device is activated and when the train runs the test section has left, deactivated again.
  • each measurement process can be a specific one Axis are assigned, with which an exact identification of the damaged or overstressed construction parts easily is possible.
  • To determine the temperature it is necessary that as far as possible those infrared rays reach the detector, which correspond to the highest temperatures. It is here different arrangements known.
  • the axis a measuring device is directed obliquely upwards, so that this Measuring device successively the temperature of a wheel rim and determines the temperature of a brake disc because the infrared rays, which is sent out by the two construction parts act on the detector one after the other.
  • the detector is far outside the track arranged, with no further deflection of the beams provided is what the distance of the detector from the to measuring construction elements must be kept large, so that the overall sensitivity of the system is greatly reduced, because the intensity of the infrared ray with the square of Distance decreases.
  • EP 0 265 417 A1 becomes a further device known which should take into account the fact that the movement of a wagon within the rails is not is rectilinear, but a so-called sine wave is present means that the structural parts to be measured differ horizontal distance to the original position of the rail and can thus have to the measuring device, whereby a larger Area must be covered.
  • are appropriate Lenses provided. It is also proposed that Divide the detector into individual detector elements one after the other can be exposed to the radiation, causing temperatures in each area of the camp can be determined.
  • Such a measuring device has the disadvantage on that with an adjustment of the device not the bearings the different constructions of rail vehicles can be detected.
  • EP 0 604 389 A1 becomes a further device known for non-contact temperature measurement in bearings, wherein several infrared optics are provided, which point to different Locations of a warehouse, and that of infrared rays emanating from these points via the infrared optics to a mirror that can be changed in its angular position shared detector.
  • several infrared optics are provided, which point to different Locations of a warehouse, and that of infrared rays emanating from these points via the infrared optics to a mirror that can be changed in its angular position shared detector.
  • the object of the present invention is a device for contactless measurement of the temperature of Create bearings on rail vehicles that are suitable is temperature measurements in vehicles of the most varied Type that has a high level of operational reliability, has as few moving parts as possible and long measuring times allowed.
  • the inventive device for contactless Measuring the temperature of moving rail-mounted bearings Vehicles, especially those of people and / or Freight traffic with a computer at least one on the track Axle and / or wheel sensor seen in the direction of travel in front of a Infrared measuring device with several infrared optics that on the objects to be measured are directed and their objects are directed towards the warehouse Axes at a different angle with the Include horizontal, arranged, consists essentially in that at least two infrared optics on one, in particular arranged on both of the outside of the track (s) which are different normal distances from each other Rail and each infrared optics have their own detector is assigned and in the radiation paths of the one to be measured Bearings to the respective detectors based on the inclination the axes of the infrared optics, only in one position Specified infrared optical elements, in particular mirrors, prisms od.
  • a count of the axes and, on the other hand, the infrared measuring device via a signal from the ready state in the measurement state can be set.
  • Is the infrared measuring device at least one axis and / or wheel sensor before and preferably after the same in Seen the direction of travel, adjacent, so you can for evaluation brought measurement data can be significantly reduced, so that the Security for displaying imperfections can be significantly increased can.
  • infrared optics and the detectors in one, in particular multi-part, arranged housing, so a particularly simple assembly of the infrared measuring device carried out be, furthermore the electrical supply and also electrical transmission of signals with particularly low Effort is given.
  • wheel sensors 2 which over a Computer the switching and detection device 3 with the actual Infrared measuring device 4 are connected, and this at Pass a train into or out of standby. So z. B. released the infrared optics.
  • This infrared measuring device 4 has two outside the rails 5 of the track 1 Infrared optics 6 and 7, which are used to determine hot Brake discs or brake shoes as well as rail wheels are used.
  • the infrared optics 8, 9 are also outside the rails arranged to determine the temperature of bearings to serve.
  • sensors 15 for axles and wheels are arranged, which initiate and complete the infrared measurement for each axis.
  • All infrared optics and detectors for the same are arranged in a multi-part housing, the between two rail fastenings, in particular sleepers, is arranged. With a ballast bed, the housing is in one Threshold compartment arranged together with the sensors 15.
  • the infrared measuring device shown schematically in FIGS. 2 to 4 has detectors 12, rotating infrared mirrors 13 and infrared collecting lens 14.
  • the infrared optics is otherwise rigidly arranged.
  • the front covers Detector with associated devices the view of the arranged behind, so that only one detector is visible.
  • Due to the inclined positions of the mirrors 13, the perpendicular to the track plane e or inclined to the vertical Infrared rays directed towards the camp Axes 10 and 11, which are perpendicular to the track plane e or run at an angle ⁇ to the vertical ⁇ to own detector 12 are directed so that the entire height such a device can be kept low and not additional recesses in the track superstructure for the admission the measuring device are required.
  • Any infrared optics A separate detector 12 is assigned to 8, 9.
  • the optics 8, 9 of the infrared measuring devices 4 can be provided either, as shown in Fig. 3, in parallel or as shown in Fig. 4, inclined to each other and also with a different angle the direction x to be arranged including.
  • the mirrors 13 direct the infrared rays emanating from the bearings on the detectors 12. Due to the different distance of the Mirror 13 to the rail 5 and its different inclination to Vertical measuring ranges can vary in height Vehicles are detected, including those covered below Bearings can be subjected to a measurement. With slate The arrangement of the axes covers a still further area.
  • the method of operation is based on the block diagram 5 explained in more detail.
  • the two detectors 12 of the Infrared measuring devices 4 are operated by the wheel sensors 2 Arranged 20 m before and 20 m after the infrared measuring device are brought into readiness for measurement via the switching device 16. There are thus covers from the lenses and the mirrors removed, the mirrors set in rotation and the like. More.
  • the other sensors 15, for. B. induction coils which constantly are connected to the computer 3, the outputs of Infrared measuring device with the detectors 12 via the switching device 17 connected to the multiplexer 18, which via the Analog / digital converter 19 alternately one of the two detectors 12 with the central evaluation system, u. between a computer 3, connects.
  • the frequency of switching from a detector to the other is 50 kHz, so that while driving past of a camp in a half second period of both Detectors the measuring process is carried out several times.
  • Figs. 6 and 7 have lines a, b, c and d.
  • line a it is Driving a wheel axle past the sensors 15 with a peak indicated that immediately adjacent to the infrared measuring devices are so that both alternately connected to the computer 3 are.
  • Curves b and c give the temperatures in the measuring ranges contrary.
  • curve b shows the difference from curve c a lower temperature excursion, and it curve c is used for further evaluation in the computer.
  • the height of the peaks shows the deviation from the Ambient temperature.
  • the temperature curve of different areas of a bearing, the wheel rim, etc. is different Detectors 12 measured, which via the multiplexer 18 and Analog / digital converter 19 are connected to the computer 3. Per 600 measurements are made in the middle time, in which a warehouse passes a detector at 180 km / h. These measurements are recorded in a computer, determined, stored and for Taxes used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Radiation Pyrometers (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP99890110A 1998-04-09 1999-03-30 Dispositif pour mesurer sans contact la température des paliers de véhicules sur rails en marche Expired - Lifetime EP0949134B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9930828T SI0949134T1 (sl) 1998-04-09 1999-03-30 Priprava za brezdotikalno merjenje temperature lezajev vozecih tirnicnih vozil

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT62798 1998-04-09
AT0062798A AT408214B (de) 1998-04-09 1998-04-09 Vorrichtung zum berührungslosen messen der temperatur von lagern fahrender schienengebundener fahrzeuge

Publications (2)

Publication Number Publication Date
EP0949134A1 true EP0949134A1 (fr) 1999-10-13
EP0949134B1 EP0949134B1 (fr) 2005-09-07

Family

ID=3495614

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99890110A Expired - Lifetime EP0949134B1 (fr) 1998-04-09 1999-03-30 Dispositif pour mesurer sans contact la température des paliers de véhicules sur rails en marche

Country Status (5)

Country Link
EP (1) EP0949134B1 (fr)
AT (1) AT408214B (fr)
DE (1) DE59912513D1 (fr)
HU (1) HU225337B1 (fr)
SI (1) SI0949134T1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2146193A1 (fr) 2008-07-19 2010-01-20 SST Signal uns System Technik GmbH Dispositif de mesure sans contact de la température de composants chauffés sur des véhicules sur rails en fonctionnement
CN106585663A (zh) * 2017-02-23 2017-04-26 济宁市智通电子科技有限公司 一种铁路货车轴温检测系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041178A1 (fr) * 1980-05-29 1981-12-09 Industrie Automation GmbH & Co. Dispositif pour détecter des parties excessivement chaudes de véhicules ferroviaires sur rails
EP0265417A2 (fr) 1986-10-17 1988-04-27 VOEST-ALPINE Eisenbahnsysteme Gesellschaft m.b.H. Dispositif de détection des paliers et/ou des bandages de roues inacceptablement échauffées
EP0265538A1 (fr) 1986-10-28 1988-05-04 SIGNALTECHNIK GmbH Dispositif pour la mesure sans contact des températures des freins de voitures de chemin de fer qui passent
EP0457752A1 (fr) 1990-05-18 1991-11-21 VOEST-ALPINE Eisenbahnsysteme Aktiengesellschaft Procédé pour mesurer les températures des essieux et des paliers pour détecter des boîtes chaudes
US5100243A (en) * 1990-12-12 1992-03-31 Servo Corporation Of America Self-calibrating hot wheel detector for railroads
EP0604389A1 (fr) 1992-12-21 1994-06-29 VAE Aktiengesellschaft Dispositif de détection des parties ou zones inacceptablement échauffées sur des objets en mouvement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2343904C3 (de) * 1973-08-31 1979-11-29 Industrie Automation Gmbh & Co, 6900 Heidelberg Verfahren zur Messung der Temperatur von Achslagern bei Schienenfahrzeugen
DE4217681C3 (de) * 1992-05-29 1999-02-25 Rabotek Ind Computer Gmbh Radsatzdiagnoseeinrichtung zur Überwachung vorbeifahrender Eisenbahnfahrzeuge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041178A1 (fr) * 1980-05-29 1981-12-09 Industrie Automation GmbH & Co. Dispositif pour détecter des parties excessivement chaudes de véhicules ferroviaires sur rails
EP0265417A2 (fr) 1986-10-17 1988-04-27 VOEST-ALPINE Eisenbahnsysteme Gesellschaft m.b.H. Dispositif de détection des paliers et/ou des bandages de roues inacceptablement échauffées
EP0265538A1 (fr) 1986-10-28 1988-05-04 SIGNALTECHNIK GmbH Dispositif pour la mesure sans contact des températures des freins de voitures de chemin de fer qui passent
EP0457752A1 (fr) 1990-05-18 1991-11-21 VOEST-ALPINE Eisenbahnsysteme Aktiengesellschaft Procédé pour mesurer les températures des essieux et des paliers pour détecter des boîtes chaudes
US5100243A (en) * 1990-12-12 1992-03-31 Servo Corporation Of America Self-calibrating hot wheel detector for railroads
EP0604389A1 (fr) 1992-12-21 1994-06-29 VAE Aktiengesellschaft Dispositif de détection des parties ou zones inacceptablement échauffées sur des objets en mouvement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2146193A1 (fr) 2008-07-19 2010-01-20 SST Signal uns System Technik GmbH Dispositif de mesure sans contact de la température de composants chauffés sur des véhicules sur rails en fonctionnement
CN106585663A (zh) * 2017-02-23 2017-04-26 济宁市智通电子科技有限公司 一种铁路货车轴温检测系统

Also Published As

Publication number Publication date
HU225337B1 (en) 2006-09-28
DE59912513D1 (de) 2005-10-13
HUP9900890A2 (hu) 1999-11-29
HU9900890D0 (en) 1999-06-28
EP0949134B1 (fr) 2005-09-07
AT408214B (de) 2001-09-25
SI0949134T1 (sl) 2006-02-28
ATA62798A (de) 2001-02-15
HUP9900890A3 (en) 2002-02-28

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