EP0949134B1 - 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
EP0949134B1
EP0949134B1 EP99890110A EP99890110A EP0949134B1 EP 0949134 B1 EP0949134 B1 EP 0949134B1 EP 99890110 A EP99890110 A EP 99890110A EP 99890110 A EP99890110 A EP 99890110A EP 0949134 B1 EP0949134 B1 EP 0949134B1
Authority
EP
European Patent Office
Prior art keywords
infrared
bearing
infrared optical
axes
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
EP99890110A
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German (de)
English (en)
Other versions
EP0949134A1 (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 AG
Original Assignee
OESTERREICHISCHE BUNDESBAHNEN
OESTERR BUNDESBAHNEN
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 OESTERREICHISCHE BUNDESBAHNEN, OESTERR BUNDESBAHNEN, Osterreichische Bundesbahnen filed Critical OESTERREICHISCHE 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 device for non-contact Measuring the temperature of bearings of moving rail-bound Vehicles, in particular passenger and / or Goods traffic with an infrared measuring to the object.
  • the service life of rail-bound vehicles such as locomotives, motor coaches, passenger and freight cars extraordinary due to the large distances to cover high, so that the maintenance condition of such vehicles especially high standard. Further, the speed freight trains to over 120 km / h and passenger trains over 200 km / h has been increased. These increased speeds cause a big increase in the load, as the forces increase with the square of the speed and thus the Bearings but also the brakes of a wagon or traction vehicle subject to increased heating.
  • the railbound Traffic of persons and goods in general has the Advantage on that the railways to the center of a Residential area or industrial area, in these cases, for example in the transport of dangerous goods, particularly high safety requirements the vehicles are placed.
  • Such devices are state technology and reject a detector, for example: HgCd, HgTe, InSb, PbSe or a combination of such semiconductors on.
  • the detector In order to enable a measurement, the detector must be placed on a predetermined temperature are kept below the Ambient temperature has to lie.
  • a cooling according to the Peltier effect Commitment As an electrical supply such systems is required and the energy consumption is not important for the cooling of the detector, prefers a cooling according to the Peltier effect Commitment.
  • the detector in the track superstructure becomes such be appropriate that a mechanical damage, for example caused by the train, is certainly avoided.
  • the heated parts radiate heat in every direction and it is required that of the moving at high speed Parts of the measuring point infrared rays with a possible high intensity can be detected.
  • EP 0 265 417 A1 discloses a further device known, which should take into account the fact that the movement of a wagon inside the rails not is rectilinear, but there is a so-called sinusoidal, the means that the structural parts to be measured differ horizontal distance to the original position of the rail and thus may have to the measuring device, whereby a larger Area must be detected.
  • To achieve this goal are appropriate Lenses provided.
  • the To divide detector into individual detector elements the can be acted upon by the radiation in succession, causing temperatures in the individual areas of the warehouse can be determined.
  • Such a measuring device has the disadvantage on that with a setting of the device not the bearings the different constructions of rail vehicles can be detected.
  • the present invention has for its object to provide a device for non-contact measurement of the temperature of bearings to create rail-bound vehicles that are capable of Temperature measurements on vehicles of all types perform, which has a high reliability, if possible has little moving parts and allows long measuring times.
  • the inventive device for non-contact measurement the temperature of bearings of moving rail vehicles, in particular passenger and / or freight traffic with a computer wherein on the track at least one axle and / or Wheel sensor seen in the direction of travel in front of an infrared measuring device with several infrared optics pointing to the one to be measured Object are directed and their axes directed to the camp include a different angle with the horizontal, is arranged, consists essentially in that at least two Infrared optics on one, in particular arranged in each case on both, track outer side (s) are, which differ from each other normal distances Rail have and each infrared optics own detector is assigned and in the beam paths of the to be measured Bearing up to the respective detectors, related to the inclination the axes of the infrared optics, in only one position fixed infrared optical elements, in particular mirrors, prisms od.
  • the infrared measuring device via a signal from the standby state in the measuring state can be set.
  • a Cover of the infrared optics eliminated and the like. More. Thereby, that at least two infrared optics on a track outside, in particular on both outer sides of the track, are arranged and Each infrared optics is assigned a separate detector, a can so wide range of possible arrangements of bearings be detected that the bearings of all so far in use located vehicles subjected to a temperature measurement can be.
  • At least one of the infrared measuring device is adjacent Axle and / or wheel sensor permanently connected to the computer, such is an exact capture of all axles or wheels ensured.
  • infrared optics and the detectors in one, arranged in particular multipart, housing, so may a particularly simple installation of the infrared measuring carried out where are the electrical supply and also electrical transmission of signals with particularly low Effort is given.
  • All infrared optics and detectors for they are arranged in a multi-part housing, the between two rail fastenings, in particular sleepers, is arranged.
  • the housing In a ballast bed, the housing is in one Threshold arranged together with the sensors 15.
  • the infrared measuring device shown schematically in Fig. 2 to 4 has detectors 12, rotating infrared mirrors 13 and infrared collecting lens 14.
  • the infrared optics is otherwise rigidly arranged.
  • Fig. 2 covers the front Detector with associated facilities the view of the arranged behind it, so that only one detector is visible.
  • the perpendicular to the track plane e or inclined to the vertical incident Infrared rays directed towards the bearing Axes 10 and 11, which are perpendicular to the track plane e or at an angle ⁇ to the vertical v, for own detector 12 are routed, so that the entire height such a device can be kept low and no additional recesses in the track superstructure for the admission the measuring device are required.
  • Each infrared optics 8, 9 is assigned a separate detector 12.
  • the optics 8, 9 of the infrared measuring devices 4 can either as shown in Fig. 3, in parallel or as shown in Fig. 4, inclined to each other and also with a different angle be arranged enclosing the driving direction x.
  • the mirrors 13 direct the infrared rays emanating from the camps on the detectors 12. Due to the different distance of the Mirror 13 to the rail 5 and their different inclination to Verticals can measure at different heights in the Vehicles are detected, which also covered down Bearings can be subjected to a measurement. In wind schist Arrangement of the axes is detected a still further area.
  • the method of operation is based on the block diagram explained in more detail according to FIG.
  • the two detectors 12 of Infrared measuring devices 4 are provided by the wheel sensors 2, the 20 m before and 20 m after the infrared measuring arranged are, brought about the switching device 16 in readiness for measurement. There are thus covers of the lenses and the mirrors removed, the mirrors set in rotation and the like. More.
  • the other sensors 15, z. B. induction coils which constantly are connected to the computer 3, the outputs of the Infrared measuring device with the detectors 12 via the switching device 17 connected to the multiplexer 18, via the Analog / digital converter 19 alternately one of the two detectors 12 with the central evaluation system, u. between a computer 3, combines.
  • the frequency of switching from a detector to the other is 50 kHz, so that while driving by of a warehouse in half a second of both Detectors of the measuring process is performed several times.
  • FIGS. 6 and 7 have lines a, b, c and d on.
  • line a is the Passing a wheel axle at the sensors 15 with a peak indicated immediately adjacent to the infrared measuring devices are so that both are connected to the computer 3 alternately are.
  • the curves b and c indicate the temperatures in the measuring ranges contrary.
  • the curve b to the difference from the curve c a lower temperature swing, and it the curve c is used for further evaluation in the computer.
  • the height of the peaks shows the deviation from the Ambient temperature.
  • the temperature profile of different areas of a bearing, of the rim, etc. is determined by the various Detectors 12 are measured, which via the multiplexer 18 and the Analog / digital converter 19 are connected to the computer 3.
  • Per Detector made 600 measurements in the mean time, in which a warehouse passes a detector at 180 km / h. These measurements are detected, determined, stored and used in a computer Taxes used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Radiation Pyrometers (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Claims (9)

  1. Dispositif pour mesurer sans contact la température de paliers de véhicules sur rails en marche, en particulier pour le transport de personnes et/ou pour le transport de marchandises, comprenant un ordinateur (3), pour lequel au moins un capteur d'essieu et /ou de roue (2), vu dans le sens de la marche (x), est à placer sur la voie (1) devant un dispositif de mesure infrarouge (4) comprenant plusieurs optiques infrarouges (8, 9) qui sont orientées vers le palier à mesurer et dont les axes (10, 11) orientés par rapport au palier forment des angles différents avec l'horizontale, pour lequel au moins deux optiques infrarouges (8, 9) sont à placer sur un, en particulier chaque fois sur les deux, côté(s) extérieur(s) de la voie, lesquelles optiques présentent des distances normales différentes l'une de l'autre par rapport aux rails, pour lequel un détecteur propre (12) est associé à chaque optique infrarouge (8, 9) et seuls des éléments d'optique infrarouge fixés dans une position seulement, en particulier des miroirs, des prismes ou similaires, sont disposés sur les trajets des rayons allant du palier à mesurer jusqu'aux détecteurs (12) respectifs, en fonction de l'inclinaison des axes de l'optique infrarouge.
  2. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de mesure infrarouge (4) est placé à proximité d'au moins d'un capteur d'essieu et / ou de roue (15), devant et de préférence derrière celui-ci vu dans le sens de la marche (x).
  3. Dispositif selon la revendication 1ou 2, caractérisé en ce que les détecteurs (12) du dispositif de mesure infrarouge (4) sont reliés en alternance à l'ordinateur (3) par l'intermédiaire d'un multiplexeur (18).
  4. Dispositif selon la revendication 1, 2 ou 3, caractérisé en ce qu'au moins un des capteurs d'essieu et/ou de roue (15) proches du dispositif de mesure infrarouge (4) est relié en permanence à l'ordinateur (3).
  5. Dispositif selon une des revendications 1 à 4, caractérisé en ce que les optiques infrarouges (8, 9) et les détecteurs (12) sont disposés dans un logement, en particulier en plusieurs parties.
  6. Dispositif selon une des revendications 1 à 5, caractérisé en ce que la projection normale sur le plan de la voie (e) des axes des optiques infrarouges qui sont orientés vers le palier présente des angles différents les uns des autres par rapport au sens de la marche (x) (figure 4).
  7. Dispositif selon une des revendications 1 à 6, caractérisé en ce que les axes (10, 11) des optiques infrarouges qui sont orientés vers le palier sont inclinés l'un par rapport à l'autre.
  8. Dispositif selon une des revendications 1 à 7, caractérisé en ce qu'un axe (10) d'une optique infrarouge qui est orienté vers le palier forme avec le plan de la voie (e) un angle droit (figure 2).
  9. Dispositif selon une des revendications 1 à 8, caractérisé en ce qu'un axe (10) d'une optique infrarouge qui est oriente vers le palier forme avec une verticale (v) sur le plan de la voie (e) un angle (α) de 10° à 20°, en particulier d'environ 15°.
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 EP0949134A1 (fr) 1999-10-13
EP0949134B1 true 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)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008033856B3 (de) 2008-07-19 2009-07-09 Sst Signal & System Technik Gmbh Einrichtung zum berührungslosen Messen der Temperatur erwärmter Bauteile an fahrenden Schienenfahrzeugen
CN106585663B (zh) * 2017-02-23 2018-12-25 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

Family Cites Families (8)

* 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
DE3020331A1 (de) * 1980-05-29 1981-12-17 Industrie-Automation Gmbh & Co, 6900 Heidelberg Vorrichtung zum erkennen unzulaessig erwaermter bauteile an fahrenden eisenbahnwagen
AT396778B (de) 1986-10-17 1993-11-25 Voest Alpine Eisenbahnsysteme Einrichtung zum erfassen von unzulässig erwärmten radlagern und/oder radreifen
DE3667948D1 (de) 1986-10-28 1990-02-08 Signaltechnik Gmbh Vorrichtung zum beruehrungslosen messen der bremsentemperaturen an vorueberfahrenden eisenbahnwagen.
AT398413B (de) 1990-05-18 1994-12-27 Voest Alpine Eisenbahnsysteme Verfahren zum messen von achs- bzw. lagertemperaturen zur ortung von heissläufern
US5100243A (en) * 1990-12-12 1992-03-31 Servo Corporation Of America Self-calibrating hot wheel detector for railroads
DE4217681C3 (de) * 1992-05-29 1999-02-25 Rabotek Ind Computer Gmbh Radsatzdiagnoseeinrichtung zur Überwachung vorbeifahrender Eisenbahnfahrzeuge
AT400989B (de) 1992-12-21 1996-05-28 Vae Ag Einrichtung zum erkennen unzulässig erwärmter bauteile bzw. stellen an bewegten objekten

Also Published As

Publication number Publication date
HUP9900890A3 (en) 2002-02-28
HU9900890D0 (en) 1999-06-28
DE59912513D1 (de) 2005-10-13
AT408214B (de) 2001-09-25
HU225337B1 (en) 2006-09-28
SI0949134T1 (sl) 2006-02-28
EP0949134A1 (fr) 1999-10-13
HUP9900890A2 (hu) 1999-11-29
ATA62798A (de) 2001-02-15

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