EP2870291A2 - Procédé de contrôle de la capacité fonctionnelle de chauffages d'aiguillages dans un réseau ferré - Google Patents

Procédé de contrôle de la capacité fonctionnelle de chauffages d'aiguillages dans un réseau ferré

Info

Publication number
EP2870291A2
EP2870291A2 EP13750536.8A EP13750536A EP2870291A2 EP 2870291 A2 EP2870291 A2 EP 2870291A2 EP 13750536 A EP13750536 A EP 13750536A EP 2870291 A2 EP2870291 A2 EP 2870291A2
Authority
EP
European Patent Office
Prior art keywords
value
switch
rail
thermal radiation
point
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Withdrawn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
EP13750536.8A
Other languages
German (de)
English (en)
Inventor
Wolfgang Bachmann
Christian Bode
Hendrik Haskamp
Doris Martitz
Karsten Rahn
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
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP2870291A2 publication Critical patent/EP2870291A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
    • B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
    • B61L7/08—Circuitry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning

Definitions

  • the invention relates to a method for checking the functionality of point heaters a rail network.
  • Rail vehicles are moved on tracks, also referred to as lanes, which comprise two steel rails parallel to one another.
  • the two rails are spaced apart from each other talking ent ⁇ the track width of the rail vehicles used. To hold the gap, the rails are on
  • switches are provided.
  • the two rails of a track hereinafter referred to as stock rails, split on two tracks by the distance between them is increased.
  • a V-shaped running track the so-called core, arranged as soon as the distance between the Ba ⁇ ckenschienen corresponds to twice the track width.
  • Each free end of the frog is a separate track with the relative jaws ⁇ rail.
  • two pivotable switch blades are arranged in the region of the frog.
  • the switch blade extends substantially at a distance of the track width to the opposite stock rail.
  • the remaining Wei ⁇ Chen tongue is spaced.
  • the two switch blades are pivoted, so that the je ⁇ Weils one of the switch blades on the associated jaw slide ne is applied and the other switch blades is spaced from the jaw rails.
  • the switch blades freeze on the respective cheek rails. This is favored with existing moisture.
  • Herkömm ⁇ SHORT- switches are therefore heated in such a weather by means of heating elements.
  • the heating elements are designed either as electrical temperature resistors or as gas-operated burning devices or the like. To check the function of the heating elements, the current flowing through them or the gas flow is measured. It can not be recognized, for example, whether the heating element has detached from the switch, and consequently the switch is not ready for operation.
  • the invention has for its object to provide a particularly ge ⁇ suitable method for checking the operability of a heater of a switch of a rail network.
  • a further object of the invention is to specify a particularly suitable monitoring device for this purpose.
  • the object is achieved by the features of claim 1 and with respect to the monitoring device by the features of independent claim 7 with respect to the method.
  • Advantageous developments and Ausgestal ⁇ tions are the subject of the respective subclaims.
  • the method serves to check the functionality of a heater of a switch of a rail network, by de ⁇ rer the switch is heated.
  • Soft under in particular ⁇ sondere a track construction is understood to mean that rail vehicles allows the transition from one track to another track without interruption of movement.
  • the tracks, also called lanes, have two sills
  • the switch heater preferably has a heating element which is arranged in the region of the contact surface of the switch blade on the stock rail.
  • the point heater comprises two heating elements, one of which is externally connected on the outside of the stock rail in the region of the contact surface on the stock rail. On the outside, here is the contact surface of the designated opposite side of Ba ⁇ ckenschiene. Alternatively or in combination with this, a heating element of the point heater is arranged in the region of the frog.
  • the method provides that in one step, the position of the switch is determined and in a further step, the heat radiation emitted by the switch is detected, wherein the two steps are carried out either sequentially or simultaneously.
  • the detection of the thermal radiation takes place without contact.
  • the temperature of the switch can be determined in the area of the contact point and in other areas of the switch. By means of the temperature value, it is possible to conclude on the functional capability of the point heater and thus on any icing of the switch.
  • auxiliary variables which may be present, such as, for example, the current required for operating the point heater, by means of which a possibly fault-loaded temperature of the switch is calculated.
  • Sequence ⁇ Lich a diagnostic quality of the functional checking is increased, since it is possible only to measure the temperature in a region to be examined, preferably in the region of the contact point of the switch blade against the stock rail.
  • the result of the function test on egg ⁇ ne maintenance control center is transmitted, which is for example part of a Stre ⁇ ckenminute.
  • the result or the value of the functional ⁇ check is either the value of the measured heat radiation and / or a value derived therefrom.
  • the coordinates of the points are recorded in the Streckenatlas and are compared with the coordinates at which the measurement of the heat radiation takes place. These coordinates are determined, for example, by means of a GPS device or other localization systems.
  • a temperature value of the switch determined from the emitted heat radiation is compared with an ambient temperature of the switch.
  • the difference between the two is used as istlei ⁇ Teter value which is transmitted to the maintenance control center, or whether the difference exceeds a certain predetermined value.
  • a desired value is determined, in dependence of which the detection of the thermal radiation takes place.
  • the setpoint value is, for example, a binary value as a function of which the point heater is supplied with energy.
  • the setpoint thus indicates whether the heating is activated or not.
  • the heat radiation of the switch is only determined when the switch heating is operated. This is for example always be the case if the ambient temperature falls below ⁇ a predefined threshold. Consequently, the binary set point is set ⁇ ge to a first value when the ambient temperature is above the threshold value and otherwise to a second value.
  • the setpoint is conveniently queried at the maintenance center.
  • the value of the measured thermal radiation or the value derived therefrom is transmitted to the maintenance control center as a function of the desired value.
  • the heat radiation of the switch is first detected, and in a further step, this value is compared with the setpoint.
  • the set point con ⁇ cretan temperature value or a certain Temperaturab ⁇ is cut. This expediently indicates an expectation value for the switch temperature. Only if the derived from the value of the measured thermal radiation temperature value is not within the temperature portion, so the Wär ⁇ me insightful the point heating is insufficient, then a transmission to the maintenance control center.
  • the setpoint is also binary and indicates whether the point heater is activated.
  • a monitoring device having a heat-sensitive sensor and a signal-technically coupled with this Ausenseelekt ⁇ ronik.
  • the heat-sensitive sensor example ⁇ , a pyroelectric sensor, or more preferably a thermal imaging camera.
  • the surveil ⁇ monitoring device comprises a further sensor or a thermometer, by means of which the ambient temperature of the monitoring device is determined, the value is compared with the value measured by blazempfind ⁇ union sensor value.
  • the monitoring device comprising a transmitter unit, with ⁇ means of which the measured value for the switch temperature can be transmitted.
  • the monitoring device is mounted on a rail vehicle.
  • the functionality of all points heaters can be checked on the way during a journey of the rail vehicle along the tracks of the rail network. It is thus necessary to ensure the operability of the point heaters of the rail network only a relatively small number of Kochwa ⁇ monitoring devices.
  • the monitoring device is substantially continuously activated as it is moved along the railroad network.
  • the heat radiation of the rail network is thus detected substantially continuously.
  • a transmission of the value of the measured thermal radiation or of the therefrom derived value to the maintenance control center is advantageously carried out when at least two conditions are he ⁇ fills:
  • the position of the monitoring device corresponds substantially to that of the switch, and the Weichenhei ⁇ wetting is activated, which in particular it is ⁇ averages based on the set point.
  • place the comparison with the nominal value of the maintenance control center takes over after Mitt ⁇ development. If there should be based on the target value of an activated Wei ⁇ chenffyung, however, corresponds to the heat radiation substantially to the ambient temperature of the junction, a defective point heating is identified.
  • a rail car is 4 ⁇ be moved to which a monitoring device is connected.
  • the monitoring device 6 has an IR camera 8, also referred to as a thermal imaging camera, and an evaluation unit 10.
  • a heat radiation 12 is measured, which is emitted by a switch 14 in the region of a heating element of an activated, ie energized, point heater 16.
  • the route atlas 18 contains the coordinates of the switch 14 in electronic form and the position of the rail vehicle 4 is determined either by means of a GPS receiver or another location-determining system.
  • the heat radiation 12 of the switch 14 is registered by means of the IR camera 8 and a temperature value is calculated by the evaluation electronics 10.
  • a temperature value is calculated by the evaluation electronics 10.
  • the temperature of the switch 14 is measured without contact.
  • an ambient temperature of the switch 14 is detected by the surveil ⁇ splice apparatus. 6 For example, this occurs when the rail drive-generating ⁇ 4 is located relatively far from the switch 14 is removed or the thermal imager 8 is by means of a
  • Tilting mechanism tilted away from a directed to the switch 14 measuring direction. From the temperature value of the switch 14, the ambient temperature is subtracted and compared this result with a binary setpoint indicating whether an activated point heater 16 is present.
  • the setpoint is stored in a memory of the evaluation 10 and is stored there before the start of the rail vehicle 4. Al ⁇ ternative this is the setpoint while driving the
  • Rail vehicle 4 transmit, in particular continuously or event controlled, in a crossing of the switch 14 through the rail vehicle. 4

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Radiation Pyrometers (AREA)
  • Air Conditioning Control Device (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

Procédé de contrôle de la capacité fonctionnelle du chauffage (16) d'un aiguillage (14) d'un réseau ferré (2) selon lequel la position de l'aiguillage (14) est déterminée, le rayonnement thermique (12) émis par l'aiguillage (14) est détecté et la valeur du rayonnement thermique (12) mesuré et/ou une valeur dérivée dudit rayonnement est transmise à un centre de commande de maintenance (22).
EP13750536.8A 2012-08-20 2013-08-06 Procédé de contrôle de la capacité fonctionnelle de chauffages d'aiguillages dans un réseau ferré Withdrawn EP2870291A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012214781.0A DE102012214781A1 (de) 2012-08-20 2012-08-20 Verfahren zur Überprüfung der Funktionsfähigkeit von Weichenheizungen eines Schienennetzes
PCT/EP2013/066467 WO2014029616A2 (fr) 2012-08-20 2013-08-06 Procédé de contrôle de la capacité fonctionnelle de chauffages d'aiguillages dans un réseau ferré

Publications (1)

Publication Number Publication Date
EP2870291A2 true EP2870291A2 (fr) 2015-05-13

Family

ID=49000462

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13750536.8A Withdrawn EP2870291A2 (fr) 2012-08-20 2013-08-06 Procédé de contrôle de la capacité fonctionnelle de chauffages d'aiguillages dans un réseau ferré

Country Status (5)

Country Link
US (1) US20150211932A1 (fr)
EP (1) EP2870291A2 (fr)
CN (1) CN104736767A (fr)
DE (1) DE102012214781A1 (fr)
WO (1) WO2014029616A2 (fr)

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Publication number Priority date Publication date Assignee Title
DE102012217627A1 (de) * 2012-09-27 2014-03-27 Siemens Aktiengesellschaft Verfahren zum Betreiben eines Schienenfahrzeugs in einem Eisenbahnsystem und Eisenbahnsystem
DE102016011117A1 (de) * 2016-09-17 2018-03-22 Ean Elektroschaltanlagen Gmbh Verfahren und Einrichtung zum Energiemanagement einer elektrischen Weichenheizungsanlage
DE102016224622A1 (de) * 2016-12-09 2017-12-28 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Weichendiagnose unter Last
CN113501033A (zh) * 2021-08-25 2021-10-15 成都天府轨谷科技有限公司 山地旅游轮齿轨列车轨道加热系统、轨道交通系统及方法
CN116382379B (zh) * 2023-05-31 2023-09-01 北京全路通信信号研究设计院集团有限公司 一种道岔融雪系统及其控制方法

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DE4238151C2 (de) * 1992-11-12 2002-11-28 Rabotek Ind Comp Gmbh Verfahren zur Ermittlung der Temperatur von Eisenbahnfahrzeugen und Fahrzeugkomponenten und Vorrichtung zur Durchführung des Verfahrens
DE19832535C2 (de) * 1998-07-20 2002-10-10 Ean Elektroschaltanlagen Gmbh Einrichtung zur Regelung und Überwachung von Weichenheizungen
DE29813001U1 (de) * 1998-07-21 1998-11-05 ESA Elektroschaltanlagen Grimma GmbH, 04668 Grimma Einrichtung zur Regelung und Überwachung von Weichenheizungen
DE19849637C1 (de) * 1998-10-28 2000-10-05 Esa Elektroschaltanlagen Grimm Einrichtung zur zentralen Steuerung, Überwachung und Diagnose von Weichenheizungen
GB0400324D0 (en) * 2004-01-08 2004-02-11 Thomson Ian R Railway inspection and maintenance system
WO2005120924A1 (fr) * 2004-06-11 2005-12-22 Stratech Systems Limited Procede et systeme de balayage de voie ferree et de detection d'objet etranger
CN101269664B (zh) * 2007-03-21 2011-11-02 张运刚 钢轨温度和位移检测仪
WO2009088946A1 (fr) * 2008-01-03 2009-07-16 Iwapi, Inc. Système de support d'efficacité et de sécurité de rail intégré
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US7922127B2 (en) * 2008-04-28 2011-04-12 General Electric Company System and method for pacing a powered system traveling along a route
US8452467B2 (en) * 2008-09-11 2013-05-28 General Electric Company System and method for verifying track database information
US7772539B2 (en) * 2008-10-10 2010-08-10 General Electric Company System and method for determining characteristic information of an object positioned adjacent to a route
CN201484439U (zh) * 2009-06-02 2010-05-26 唐德尧 一种轨道交通车辆走行部及钢轨故障车载在线监测诊断系统

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Also Published As

Publication number Publication date
WO2014029616A2 (fr) 2014-02-27
CN104736767A (zh) 2015-06-24
DE102012214781A1 (de) 2014-02-20
WO2014029616A3 (fr) 2014-09-18
US20150211932A1 (en) 2015-07-30

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