EP0886596A1 - Dispositif servant a detecter des positions de parties pivotantes d'un aiguillage - Google Patents

Dispositif servant a detecter des positions de parties pivotantes d'un aiguillage

Info

Publication number
EP0886596A1
EP0886596A1 EP97906926A EP97906926A EP0886596A1 EP 0886596 A1 EP0886596 A1 EP 0886596A1 EP 97906926 A EP97906926 A EP 97906926A EP 97906926 A EP97906926 A EP 97906926A EP 0886596 A1 EP0886596 A1 EP 0886596A1
Authority
EP
European Patent Office
Prior art keywords
sensor
evaluation
signals
sensors
distance
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
EP97906926A
Other languages
German (de)
English (en)
Other versions
EP0886596B1 (fr
Inventor
Kurt Seidl
Josef Frauscher
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.)
Voestalpine Railway Systems GmbH
Original Assignee
Voestalpine VAE 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 Voestalpine VAE GmbH filed Critical Voestalpine VAE GmbH
Publication of EP0886596A1 publication Critical patent/EP0886596A1/fr
Application granted granted Critical
Publication of EP0886596B1 publication Critical patent/EP0886596B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
    • B61L5/107—Locking mechanisms for points; Means for indicating the setting of points electrical control of points position

Definitions

  • the invention relates to a device for detecting the positions of pivotable parts of a switch, such as. B. Tongue rails with at least one sensor, and a method for signal evaluation by sensors to determine the position of pivotable parts of a switch.
  • DE 35 11 891 AI discloses a device consisting of an electric motor-driven single turnout drive, a definable actuating slide and, if appropriate, a likewise monitoring slide which can also be determined, and a sensor arrangement for detecting the slide end positions and their safety status. With the aid of the sensors integrated in the devices, the end positions are monitored and the closed position of the position and, if appropriate, monitoring slide is recognized. The test results are then sent to a control and monitoring logic or. a controlling signal box passed, the passability of the switch is determined. The distance between the tongue rail and the stock rail is not measured.
  • EP 0 514 365 B1 already discloses a method for monitoring the condition of rail switches and for detecting premature wear in the area of the tongue rail of a switch.
  • the main aim of this method is to detect premature wear in the area of the tongue rail by a sensor, so that the smallest value of the distance between the tongue rail and the cheek rail determined during driving is stored, distance values and limit values being defined and together were compared and a maintenance signal is triggered when a certain limit value is exceeded.
  • Inductive or capacitive analog sensors are provided as possible proximity sensors.
  • inductive proximity switches are very reliable and wear-free switching elements, they cannot be used to continuously determine the exact position of the moving parts of a switch, but are only used to signal whether the switch tongue has the respective one reached the final position or not. Since inductive proximity scarves are used in resonant circuits, the accuracy of the measurements is subject to the resonant circuit quality, which is strongly dependent on external influences and the accuracy of the components. Complex measures are therefore necessary to increase the redundancy and accuracy of these measuring devices.
  • the present invention aims to provide a measuring device which detects the position of the moving parts of a Track continuously measures, their functionality can be constantly monitored.
  • the device according to the invention is designed such that the sensor is designed as a continuous distance sensor and that the sensor output is connected to a circuit arrangement for two separate evaluations, a first evaluation as a distance evaluation and a second evaluation as a function check of the Sensor is formed. Due to the fact that the sensor is designed as a continuous distance sensor, in contrast to measuring sensors which are only suitable for determining a state, all end positions of the switch tongue can be detected exactly over the entire adjustment path.
  • a circuit arrangement is provided for the signal evaluation, it being possible to determine whether the sensor is intact and provides correct measurement results by means of a function check, for example by providing a reference signal.
  • the continuous determination of the position is carried out in the distance evaluation, the calculation of the position being considered as a possible method for determining the position.
  • Powerful microcontrollers with a high clock rate are usually used for this purpose for fast processing after analog-digital conversion in discrete form of measured values. Since, as a rule, the tongue rail position is not linearly dependent on the sensor signal, the distance evaluation is carried out in a particularly advantageous manner in such a way that it interacts with a characteristic curve query. Thanks to such a characteristic curve query, an exact determination of the tongue rail position is possible even if the measurement signals are not based on a linear law.
  • a particularly preferred development of the measuring device consists in that the output of at least one further sensor for measuring the idle signal is connected to the function control.
  • a further sensor which is either specially calibrated or identical to the actual distance sensor, is used in this development, the accuracy of the measurement of the idle signal and thus the reliability of the function check is increased.
  • a particularly expedient design is designed in such a way that at least two distance sensors are each arranged at the position of the pivotable parts on and off the track. Because several distance sensors are now arranged accordingly, in addition to the functional check in the undamped state, a further functional check can also take place in the damped end position.
  • the characteristic curve is designed in such a way that it has tolerance ranges for permissible functional areas for the attachment and removal of the pivotable parts and that a function check is carried out for the contact and deposit position.
  • tolerance windows are provided prevents the function control from issuing an alarm signal even in the event of slight deviations from the end position, and operation in areas which are actually still uncritical being ended too early.
  • the training carried out now also makes it possible to continuously monitor the changes in the end position positions and, in the case of measured values within the tolerance window, to repair or repair work that occurs early. Carry out adjustment measures. This allows the wear progress to be observed within the tolerance limits, which saves both material and costs.
  • the idle signal interacts as a calibration variable for the characteristic curve with the characteristic curve query.
  • the idle signal By using the idle signal to shift the characteristic curves themselves, so that the value of the idle signal is equal to the function value at the storage position, a family of characteristic curves is created.
  • Such self-adjustment of the characteristic curves with the formation of a family of characteristic curves makes it possible to largely eliminate environmental and age influences on the evaluation and to obtain unadulterated position values.
  • the sensor outputs are advantageously designed as current outputs. Because the sensor outputs are designed as current outputs, the sensor signals are in the form of easily processable currents.
  • the evaluation circuit is preferably connected to a memory.
  • the distance sensors are arranged in several measuring planes.
  • the method for evaluating the signals from the sensors to determine the position of pivotable parts of a switch using the device according to the invention essentially consists in evaluating the sensor signals in a characteristic computer, and determining the positions as functions of the signal values, wherein the signals are compared with the sensor quiescent signals and the functionality of the sensors is determined and, if appropriate, signal values which lie outside the tolerance windows specified in the characteristic curves, are used for error messages, the characteristic curve being adapted to the ambient conditions by comparison with the quiescent current signals within a permissible tolerance and short-term error messages being suppressed.
  • the operational readiness of the point machine is additionally monitored, which results in an even higher reliability of the point setting device. can be reached.
  • the monitoring of the switch drive ensures that faults which are attributable to the switch drive and do not result from age-related wear or other environmentally related faults in the tongue rail are recognized in good time.
  • the main sources of error which lead directly to the decommissioning and repair of the rail switch can thus be monitored continuously and separately from one another.
  • a further advantageous method step in order to monitor the safe function of the closures and to check the narrowest passage 7 is that the signals from different measurement levels are compared with one another.
  • FIG. 1 shows the arrangement of the device according to the invention on a rail switch
  • FIG. 2 shows the basic circuit arrangement of the device for detecting the positions of pivotable parts of a switch
  • FIG. 3 the circuit arrangement is based on a section of the circuit diagram the electronics board described in more detail
  • 4 shows the characteristic curves on which the characteristic curve query is based.
  • Fig. 1 shows two tongue rails 1 and 2 of a rail switch. 3 with a point machine is designated, which brings the tongues 1 and 2 in the corresponding positions.
  • the continuous distance sensors of a measuring plane required for the detection of the positions of the tongue rails are designated with 4,5,6 and 7.
  • a sensor 5 is damped in each switch position in the tongue 1 resting on the stock rail 8 and a sensor 4 in the region of the tongue 2 lying away from the stock rail 8.
  • Two further sensors 6 and 7 are undamped in this switch position. It can be provided that the position of the adjacent tongue by means of a sensor oriented towards the rail web and the position of the remote tongue by means of a sensor oriented towards the rail foot is determined.
  • the coupling circuit checks the operational readiness of the switch mechanisms which act electromechanically or electrohydraulically.
  • the tongue rails 1 and 2 located in the system or storage for the cheek rail 8 and the 4.5 and undamped 6.7 continuous distance sensors damped in accordance with the tongue rail position.
  • the distance sensors are designed in two-wire technology, the sensor signal being converted into a current proportional to it, which is not falsified by the line resistances.
  • the signals from the sensors are further processed in an interconnection and test logic 10 and the positions of the tongue rail are determined.
  • the safety relays 11 are controlled by the outputs 16 of the interconnection and test logic 10.
  • Fig. 3 again shows the continuously measuring distance sensors 4, 5, 6 and 7, the signals of which are further processed on an electronic board 12.
  • the sensor signals are supplied to two microcontrollers 15 and 17, which operate independently of one another, with the input protection circuits 13 and frequency filters 14 interposed.
  • the two microcontrollers are connected to each other to check and check the functionality of the sensors.
  • the circuit board outputs 16 control the safety relays 11 via a circuit logic that is not explained in more detail below.
  • the microcontrollers carry out the actual data processing of the sensor signals. In they are here in, as not shown in more detail, at the same time the map calculator is integrated, which determines the distances between the tongue rails by means of the stored characteristic curves.
  • characteristic curve 1 shows the dependence of the path on the current of an original curve of a censor.
  • characteristic curve 2 represents a function which arises after aging of the sensor, printed out by shifting in the direction of arrow 18. Appropriate measuring measures, e.g. by comparison with the independently measured sensor quiescent current, the characteristics m in the direction of arrow 18 can be adapted adaptively to the changes caused by the aging process.
  • 1 shows further sensors 21 and 22 in a further measuring plane.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Manipulator (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Gear Transmission (AREA)
  • Chain Conveyers (AREA)
  • Control Of Conveyors (AREA)
  • Harvester Elements (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Component Parts Of Construction Machinery (AREA)

Abstract

L'invention concerne un dispositif servant à détecter les positions de parties pivotantes d'un aiguillage, par exemple des rails à lame (1, 2). Ledit dispositif comporte au moins un capteur (4, 5, 6, 7) se présentant sous la forme d'un capteur de distance continu. La sortie de ce capteur est reliée à un circuit (10) permettant deux évaluations séparées. Une première évaluation se fait sous la forme d'une évaluation de distance et une seconde évaluation se fait sous la forme d'un contrôle fonctionnel du capteur. L'invention concerne également un procédé d'évaluation de signaux.
EP97906926A 1996-03-12 1997-03-11 Dispositif servant a detecter des positions de parties pivotantes d'un aiguillage Expired - Lifetime EP0886596B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT46896 1996-03-12
AT468/96 1996-03-12
AT0046896A AT407983B (de) 1996-03-12 1996-03-12 Vorrichtung zum erfassen der positionen von schwenkbaren teilen einer weiche
PCT/AT1997/000051 WO1997033784A1 (fr) 1996-03-12 1997-03-11 Dispositif servant a detecter des positions de parties pivotantes d'un aiguillage

Publications (2)

Publication Number Publication Date
EP0886596A1 true EP0886596A1 (fr) 1998-12-30
EP0886596B1 EP0886596B1 (fr) 2001-11-14

Family

ID=3491419

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97906926A Expired - Lifetime EP0886596B1 (fr) 1996-03-12 1997-03-11 Dispositif servant a detecter des positions de parties pivotantes d'un aiguillage

Country Status (18)

Country Link
US (1) US6164600A (fr)
EP (1) EP0886596B1 (fr)
JP (1) JP3294617B2 (fr)
CN (1) CN1207167C (fr)
AT (2) AT407983B (fr)
AU (1) AU720785B2 (fr)
CA (1) CA2247978C (fr)
CZ (1) CZ279298A3 (fr)
DE (1) DE59705393D1 (fr)
DK (1) DK0886596T3 (fr)
HR (1) HRP970131A2 (fr)
HU (1) HU225355B1 (fr)
NO (1) NO984200L (fr)
PL (1) PL182366B1 (fr)
SK (1) SK125198A3 (fr)
WO (1) WO1997033784A1 (fr)
YU (1) YU48829B (fr)
ZA (1) ZA971956B (fr)

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DE19821141A1 (de) * 1998-05-12 1999-11-18 Alcatel Sa Vorrichtung zur Stromversorgung eines im Betrieb einer Weiche angeordneten elektrischen Verbrauchers und Diagnoseeinrichtung für eine Weiche
US7339595B2 (en) * 1998-10-19 2008-03-04 Lightsurf Technologies, Inc. Method and system for improved internet color
AT412636B (de) * 2000-02-23 2005-05-25 Vae Eisenbahnsysteme Gmbh Einrichtung zur überwachung und prognose der ausfallwahrscheinlichkeit von induktiven näherungssensoren
EP1390246B1 (fr) * 2001-05-08 2018-08-15 Siemens Industry, Inc. Systeme de surveillance d'etat
DE10130799C1 (de) * 2001-06-22 2003-01-30 Siemens Ag Einrichtung zur Lagekennzeichnug einer Weichenzunge
US6484974B1 (en) * 2001-09-10 2002-11-26 Union Switch & Signal, Inc. Controller for switch machine
US6578799B1 (en) * 2001-12-06 2003-06-17 Union Switch & Signal, Inc. Modular point detector for railroad track signal
AU2006203414B2 (en) * 2001-12-06 2007-12-06 Ansaldo Sts Usa, Inc. Modular point detector for railroad track switch
AT6379U3 (de) * 2003-05-09 2005-06-27 Vae Eisenbahnsysteme Gmbh Einrichtung zum fernüberwachen von weichenantrieben
US7577502B1 (en) * 2004-07-08 2009-08-18 J & A Industries, Inc. Proximity detection and communication mechanism and method
US20060214068A1 (en) * 2005-03-25 2006-09-28 Fibera, Inc. Fiber optic monitor for railroad switch
CN103129584B (zh) * 2011-11-30 2016-02-03 国际商业机器公司 道岔监测方法与系统、铁路线路管理方法与系统
AU2014293102B2 (en) 2013-07-24 2020-01-23 Hitachi Rail Sts Usa, Inc. Point detection calibration before switch machine failure
US10953897B2 (en) * 2016-09-30 2021-03-23 Hitachi Rail Sts Usa, Inc. Electronic circuit controller for railway switch machine, railway switch machine and railway switching system including same
CN107600109A (zh) * 2017-09-30 2018-01-19 中铁第四勘察设计院集团有限公司 一种跨座式单轨道岔状态监测系统
CN107650946B (zh) * 2017-09-30 2024-07-09 中铁第四勘察设计院集团有限公司 一种高精度跨座式单轨道岔监测系统
EP3774488A1 (fr) * 2018-03-29 2021-02-17 Konux GmbH Système et procédé d'extraction et de traitement de données ferroviaires
EP3986767A4 (fr) * 2019-06-21 2023-07-26 Harsco Technologies LLC Systèmes de détection de position d'aiguillage de chemin de fer
CN115535029B (zh) * 2021-06-29 2026-03-20 比亚迪股份有限公司 道岔开向位置的监测方法、道岔系统及介质
EP4169800A1 (fr) * 2021-10-21 2023-04-26 Frauscher sensortechnik GmbH Agencement de capteur pour un système ferroviaire et procédé de surveillance d'un système ferroviaire
US20230264724A1 (en) * 2022-02-24 2023-08-24 Advanced Rail Systems, Llc Railroad track sensor system
DE102024105866A1 (de) * 2024-02-29 2025-09-04 Voestalpine Signaling Sainerholz Gmbh Verfahren zur Durchführung von Inspektionen von sicherheitsrelevanten Zuständen

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DE3511891A1 (de) * 1985-04-01 1986-10-16 Siemens AG, 1000 Berlin und 8000 München Stell-, sicherungs- und ueberwachungseinrichtung an weichen
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AT399401B (de) * 1988-05-27 1995-05-26 Voest Alpine Eisenbahnsysteme Einrichtung zum erfassen des zustandes von schienenweichen oder kreuzungen
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Also Published As

Publication number Publication date
ZA971956B (en) 1997-09-10
ATA46896A (de) 2000-12-15
HUP9902660A2 (hu) 1999-12-28
JP2000502635A (ja) 2000-03-07
CN1217691A (zh) 1999-05-26
CA2247978C (fr) 2001-11-27
PL182366B1 (pl) 2001-12-31
SK125198A3 (en) 1999-04-13
JP3294617B2 (ja) 2002-06-24
CA2247978A1 (fr) 1997-09-18
ATE208722T1 (de) 2001-11-15
NO984200D0 (no) 1998-09-11
NO984200L (no) 1998-09-14
YU39798A (sh) 1999-07-28
US6164600A (en) 2000-12-26
CN1207167C (zh) 2005-06-22
YU48829B (sh) 2002-03-18
PL328799A1 (en) 1999-02-15
AU720785B2 (en) 2000-06-15
HRP970131A2 (en) 1998-04-30
AT407983B (de) 2001-07-25
DK0886596T3 (da) 2002-03-11
AU1916297A (en) 1997-10-01
HU225355B1 (en) 2006-10-28
HUP9902660A3 (en) 2003-03-28
CZ279298A3 (cs) 1998-12-16
DE59705393D1 (de) 2001-12-20
WO1997033784A1 (fr) 1997-09-18
EP0886596B1 (fr) 2001-11-14

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