EP0548637A1 - Dispositif de surveillance de la température des boîtes d'essieux - Google Patents

Dispositif de surveillance de la température des boîtes d'essieux Download PDF

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Publication number
EP0548637A1
EP0548637A1 EP92120778A EP92120778A EP0548637A1 EP 0548637 A1 EP0548637 A1 EP 0548637A1 EP 92120778 A EP92120778 A EP 92120778A EP 92120778 A EP92120778 A EP 92120778A EP 0548637 A1 EP0548637 A1 EP 0548637A1
Authority
EP
European Patent Office
Prior art keywords
monitoring devices
arrangement according
axle
infrared
infrared transmitters
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.)
Withdrawn
Application number
EP92120778A
Other languages
German (de)
English (en)
Inventor
Hubert Köttritsch
Franz Reithuber
Helmut Weninger
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.)
SKF GmbH
Original Assignee
SKF GmbH
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 SKF GmbH filed Critical SKF GmbH
Publication of EP0548637A1 publication Critical patent/EP0548637A1/fr
Withdrawn legal-status Critical Current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 relates to an arrangement on rail vehicles for monitoring the axle bearing temperature by monitoring devices installed next to the rails and responding to infrared radiation.
  • the invention has for its object to provide an arrangement of the type mentioned, which is able to monitor the temperatures of such axle bearings, which are located on the side of the wheels facing away from the monitoring devices.
  • both axle bearings arranged on the outside of the wheels and axle bearings arranged on the inside of the wheels can be monitored for so-called hot runners. It is therefore not necessary to follow the obvious but very complex route of installing a monitoring device network both outside the tracks and between the rails.
  • the measurement signals determined with the arrangement according to the invention can also be fed into an in-vehicle monitoring system without problems, as indicated in the subclaims, so that a display and / or registration, for. B. in the driver's cab of the locomotive, at a monitoring station in a wagon or by means of telemetric devices at a central point. With this measure, early detection of hot axle bearings is possible even on tracks without infrared monitoring devices.
  • a wheel 1 of a rail vehicle 2 is shown in a schematic representation, the axis 3 of which is mounted both on the inside of the wheel and on the outside of the wheel.
  • the axle bearings are arranged in bearing housings 4, 5 which are carried by the chassis 6 of the rail vehicle 2.
  • monitoring devices 7 are installed outside the track 8 in a known manner at larger intervals, which u. a. Have infrared detectors and respond to infrared radiation, the intensity of which exceeds an upper limit, by issuing alarm signals to a control center.
  • a. Have infrared detectors and respond to infrared radiation, the intensity of which exceeds an upper limit, by issuing alarm signals to a control center.
  • the bearing arranged in the outer bearing housing 4 heated due to damage the heated bearing housing 4 would emit infrared radiation corresponding to high intensity, which the infrared detector of the monitoring device 7 would register while driving past.
  • the internal bearing or bearing housing 5 is provided with a temperature sensor 9, which measures the temperature of the axle bearing or the components surrounding the axle bearing and - depending on the type of temperature sensor - either when an upper temperature value is exceeded or the actual temperature corresponding measurement signals to a circuit arrangement 10 supplies.
  • a temperature sensor 9 come z. B. thermistors, thermocouples or melting cones into consideration.
  • An infrared transmitter 11 (thermal transmitter) is arranged on the outside of the chassis 6 in the immediate vicinity of the outer bearing housing 4 and can be connected via the circuit arrangement 10 to a circuit 12 for supplying electrical energy.
  • the temperature sensor 9 delivers corresponding signals to the circuit arrangement 10 directly or indirectly via the inadmissibly heated bearing housing 5, which then gives the supply circuit 12 - z. B. by means of a relay or an electronic switch - closes.
  • the infrared transmitter 11 is now activated and emits infrared radiation, which can be registered by the next monitoring device 7 on the track 8 while driving past.
  • the circuit arrangement 10 furthermore has signal outputs 13 which can be connected to the line network of an in-vehicle monitoring system.
  • the measurement signals supplied by the temperature sensor 9 can therefore also be communicated to a monitoring station in the car or the locomotive, so that double checking or monitoring independent of external monitoring networks is possible.
  • the circuit arrangement 10 can have means for signal conditioning for this purpose, e.g. B. an addressable from an on-board computer of the rail vehicle 2 module, so that the temperature state of all axle bearings can be queried continuously.
  • a microprocessor can also be provided in the circuit arrangement 10, which pre-evaluates the measurement signals of the temperature sensor 9, such as, for. B. Eliminating the ambient temperature, evaluating the rapidity of the temperature rise in order to estimate the remaining life of the axle bearing and the like.
  • circuit arrangement 10 is equipped in the manner described above with signal outputs 13 for an in-vehicle monitoring system, it is advisable to also monitor axle bearings arranged on the outside of the wheel by means of temperature sensors, the measurement signals of which are also fed to the circuit arrangement 10 for evaluation and / or transmission to the in-vehicle monitoring system will.
  • the wheel axle 14 shown in FIG. 2 is only supported on the inside of the wheel, which is why an attachment of the infrared transmitter 11 on the outside of the vehicle is not readily possible near the axle.
  • the infrared transmitter 11 can be arranged at an axle level in front of or behind the respective wheel 1 by means of a holding device or — as shown — can be attached to the bogie or vehicle above the wheel 1.
  • a holding device or — as shown — can be attached to the bogie or vehicle above the wheel 1.
  • its radiation angle, wavelength and radiation energy must of course be adapted to the requirements of the existing monitoring devices 7 installed along the track networks.
  • track networks in which the monitoring devices are installed outside the tracks were used as a basis in the exemplary embodiments, the invention can of course also be used for track networks with monitoring devices installed between the rails.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Radiation Pyrometers (AREA)
EP92120778A 1991-12-21 1992-12-05 Dispositif de surveillance de la température des boîtes d'essieux Withdrawn EP0548637A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4142556 1991-12-21
DE19914142556 DE4142556A1 (de) 1991-12-21 1991-12-21 Anordnung zur ueberwachung der achslagertemperatur

Publications (1)

Publication Number Publication Date
EP0548637A1 true EP0548637A1 (fr) 1993-06-30

Family

ID=6447873

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92120778A Withdrawn EP0548637A1 (fr) 1991-12-21 1992-12-05 Dispositif de surveillance de la température des boîtes d'essieux

Country Status (2)

Country Link
EP (1) EP0548637A1 (fr)
DE (1) DE4142556A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102815266A (zh) * 2012-08-27 2012-12-12 黄立勇 一种车辆轴温实时监控系统
CN115638882A (zh) * 2022-11-04 2023-01-24 中铁武汉电气化局集团科工装备有限公司 一种氢能源作业车轮对监测装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT404923B (de) * 1995-09-05 1999-03-25 Vae Ag Prüfstrahler zur kalibrierung von infrarotdetektoren
CN103786748A (zh) * 2014-02-26 2014-05-14 苏州缪斯信息科技有限公司 一种基于物联网技术的轨道交通故障在线监测系统
DE102016212938A1 (de) 2016-07-15 2018-01-18 Siemens Aktiengesellschaft Drehgestell für ein Schienenfahrzeug

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0263217A1 (fr) * 1986-09-09 1988-04-13 CSEE-Transport Système pour reconnaître des composants échauffés d'une manière inadmissible dans des véhicules ferroviaires en mouvement

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0263217A1 (fr) * 1986-09-09 1988-04-13 CSEE-Transport Système pour reconnaître des composants échauffés d'une manière inadmissible dans des véhicules ferroviaires en mouvement

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
RAILWAY GAZETTE INTERNATIONAL Bd. 144, Nr. 9, September 1988, G.B. Seite 591 SMITH ET AL. 'low track bogie widens options' *
Z.SCHR. FUER EISENBAHNWESEN UND VERKEHRSTECHNIK;GLASERS ANNALEN Bd. 100, Nr. 2/3, 2. März 1976, Seiten 119 - 120 MUELLER 'neuartiges temp.ueberwachungssystem fuer radsatzlager etc.' *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102815266A (zh) * 2012-08-27 2012-12-12 黄立勇 一种车辆轴温实时监控系统
CN115638882A (zh) * 2022-11-04 2023-01-24 中铁武汉电气化局集团科工装备有限公司 一种氢能源作业车轮对监测装置
CN115638882B (zh) * 2022-11-04 2024-02-09 中铁武汉电气化局集团科工装备有限公司 一种氢能源作业车轮对监测装置

Also Published As

Publication number Publication date
DE4142556A1 (de) 1993-06-24

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