EP0657337B1 - Méthode de fixation de la zone de balayage de dispositifs de mesure activés par véhicule et dispositif de positionnement et de réglage de dispositifs de mesure pour voies ferrées relatif à des détecteurs de roues - Google Patents

Méthode de fixation de la zone de balayage de dispositifs de mesure activés par véhicule et dispositif de positionnement et de réglage de dispositifs de mesure pour voies ferrées relatif à des détecteurs de roues Download PDF

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Publication number
EP0657337B1
EP0657337B1 EP94890203A EP94890203A EP0657337B1 EP 0657337 B1 EP0657337 B1 EP 0657337B1 EP 94890203 A EP94890203 A EP 94890203A EP 94890203 A EP94890203 A EP 94890203A EP 0657337 B1 EP0657337 B1 EP 0657337B1
Authority
EP
European Patent Office
Prior art keywords
signal
wheel
signals
measuring devices
voltage
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
EP94890203A
Other languages
German (de)
English (en)
Other versions
EP0657337A1 (fr
Inventor
Dipl. Ing. Wolfgang Nayer
Ing. 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 EP0657337A1 publication Critical patent/EP0657337A1/fr
Application granted granted Critical
Publication of EP0657337B1 publication Critical patent/EP0657337B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • 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
    • B61L1/02—Electric devices associated with track, e.g. rail contacts
    • B61L1/08—Electric devices associated with track, e.g. rail contacts magnetically actuated; electrostatically actuated
    • 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
    • B61L1/02—Electric devices associated with track, e.g. rail contacts
    • B61L1/10—Electric devices associated with track, e.g. rail contacts actuated by electromagnetic radiation; actuated by particle radiation
    • 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
    • B61L1/14—Devices for indicating the passing of the end of the vehicle or train
    • 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
    • B61L1/16—Devices for counting axles; Devices for counting vehicles

Definitions

  • the invention relates to a method for setting the Scanning range of vehicle-operated measuring devices, such as e.g. of hot runner location devices, in which a wheel sensor via a transmitter and two arranged on both sides of the transmitter Receiver has the signals of both receivers compared with each other and depending on the result of the Signal comparison a measurement is made as well as on a Device for setting and adjusting measuring devices Track paths relative to wheel sensors, with a base plate on which the wheel sensors are fixed and the measuring devices can be fixed in geometrically defined Distance to each other, the wheel sensors each have a transmitter coil and two assigned receiver coils.
  • vehicle-operated measuring devices such as e.g. of hot runner location devices
  • Wheel sensor elements By being arranged on both sides of a rail head Wheel sensor elements is an arrangement of the hot runner location system in a position in which the wheel sensors also exactly Determine the overflow of a wheel, not for spatial reasons possible.
  • Wheel sensors have already become known from EP-A 340 660, which are characterized by the fact that they are only to one side of the rail head of a rail can be arranged.
  • the wheel sensors that can be removed from this EP-A 340 660 consist for example on an inside of a rail of the Track-mounted coil system with an AC-powered Transmitter coil and two assigned receiver coils.
  • the transmitter coils induce an induction voltage in the receiver coils. If there is a receiver coil in front of and behind the transmitter coil is arranged in the longitudinal direction of the rail, can for example, if the receiver coils are identical are and arranged at the same distance from the transmitter coil are identical in both receiver coils is induced to conclude that at this time a wheel runs in the middle above the sensor.
  • EP-A 340 660 An electric one Evaluation of signals from such sensors is in EP-A 340 660 has already been proposed and it will be used with such a signal intersection evaluating circuit the exact location of the wheel center or the wheel axis.
  • the hot runner location system can also be the location of the wheel be adjusted precisely, in particular by the fact that for one such sensor only for one side of the rail track the arrangement of the required sensor elements is required, an exact geometric correlation can also be maintained can.
  • the invention now aims at a method of the beginning to create the type mentioned, with which given a given geometric Arrangement of the individual components for vehicle-operated Measuring devices, such as hot runner location devices in particular, also after the completion of all mechanical adjustment work a fine adjustment is made possible without that this is an increase in the construction of the facilities for determining the parts of such a vehicle-operated Measurement device results.
  • a simple mechanical fixation of the parts found enough be and still an adjustability later still be possible.
  • the method according to the invention exists to achieve this object essentially in that to or from at least one of the signals the receiver of a wheel sensor an adjustable, constant Signal is added or subtracted electrically, and that the Measurement depending on the evaluation of the comparison of the received signals of the receiver of the wheel sensor becomes. Because now at least one of the signals of the receiver an adjustable constant signal electrically from a wheel sensor is added or subtracted, the EP-A 340 660 outlined procedure for determining a Change signal intersection so that this intersection can be moved. For example, through addition of an electrical signal changed signal one of the two Receiver coils lead to a shift of the intersection the voltage curves of the two receiver coils, resulting in a electrical fine adjustment of the intersection is made possible.
  • the shift of the intersection by the electrical Addition or subtraction of a DC component has to Consequence that, for example, a gate opening or gate closing time can be moved accordingly.
  • a gate opening or gate closing time can be moved accordingly.
  • the gate can be moved altogether or the Regulate the door width, which makes a high degree of adjustability possible given is.
  • the inventive device for setting and adjusting of measuring devices on track paths relative to wheel sensors with a base plate on which the wheel sensors are fixed and the Measuring devices can be determined at a geometrically defined distance from each other, wherein the wheel sensors each have a transmitter coil and two assigned Have receiver coils is characterized in that that at least one voltage signal from a receiver coil is supplied to a computing circuit, which has a modified signal of the Voltage signal of the receiver coil forms, and that the output signal the arithmetic circuit and the voltage signal of the second receiver coil is fed to a comparator, the Output signal can be connected to the measuring device.
  • the arithmetic circuit becomes a modified signal Receiver coil formed and when compared to the induced Voltage in the second receiver coil will shift the parameters relevant for the evaluation, e.g. of the intersection of the two signal curves for a given correlation or identity of the two signals.
  • a simple arithmetic circuit is sufficient, whereby the training is made in a particularly simple manner, that the arithmetic circuit is designed as an addition circuit and adds an adjustable voltage value to the input signal or subtracted and / or as a multiplication or quotient circuit is formed, and with an adjustable factor multiplied or divided by this.
  • An adjustable Voltage signal can be obtained simply by conventional means Circuits can be achieved.
  • the device can be designed so that the arithmetic circuit an operational amplifier contains the inputs Signal of a receiver coil and a voltage source with adjustable Voltage is connected.
  • FIG. 1 shows a schematic representation of an arrangement a vehicle-operated measuring device in the longitudinal direction of the rail seen, the rail is shown in section
  • Fig. 2 shows a plan view of a measuring device
  • FIG. 3 a detailed view of a wheel sensor from the inside of the track Seen here
  • Fig. 4 shows the waveform as it with the wheel sensor 3 can be obtained without modification of the signals
  • 5 shows the signal curve after electrical fine adjustment or Modification of the signals as originally received and are shown in Fig. 4.
  • Fig. 1 denotes a rail, the rail foot is connected to a mounting plate 2.
  • a wheel sensor 3 is arranged on the track.
  • the construction of the The wheel sensor is selected so that it is on one side of the web the rail 1 is arranged so that to the other side of the web a hot runner location device 4 can be arranged.
  • a wheel sensor 3 is shown schematically on the rail Wheel 5 can be seen, the axle journal 6 in the scanning area 7 the hot runner location system 4 arrives. Analog can over a further scanning range, the bearing temperature of the bearing 8 is also sampled will.
  • a wheel sensor 3 comprises a central one Transmitter coil 11, being on both sides in the longitudinal direction of the rail offset, receiver coils 12 and 13 are arranged.
  • the coil axes are here, as detailed in EP-A 340 660 set out, directed at the rail foot, which therefore as damping metal surface in the effective area under the receiver coils 12 and 13 lies.
  • the axes are in the correct arrangement past the rail head and are against the possible Passage area of the wheel rim of this wheel 5 directed. As long as there is no wheel 5 in the effective range, enter two receiver coils 12 and 13 the largest possible output signals on.
  • a new switching threshold can be set exactly and ⁇ t depending on ⁇ u, i.e. dependent on adjust the added voltage within wide limits and adjust.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Traffic Control Systems (AREA)

Claims (4)

  1. Procédé pour déterminer la zone de balayage de dispositifs de mesure actionnés par un véhicule, comme par exemple des dispositifs (4) de localisation de boítes chaudes, selon lequel un capteur de roue (3) dispose d'un émetteur (11) et de deux récepteurs disposés des deux côtés de l'émetteur, les signaux des deux récepteurs étant comparés l'un à l'autre et une mesure étant réalisée en fonction du résultat de la comparaison des signaux, caractérisé en ce qu'un signal constant réglable est ajouté ou soustrait électriquement à ou d'au moins l'un des signaux des récepteurs (12,13) d'un capteur de roue (3) et en ce que la mesure est exécutée en fonction de l'évaluation de la comparaison des signaux ainsi obtenus des récepteurs (12,13) du capteur de roue (3).
  2. Dispositif pour régler et ajuster des dispositifs de mesure (4) sur des voies par rapport à des capteurs de roue (3a,3b), comprenant une plaque de base (2), à laquelle les capteurs de roue sont fixés et les dispositifs de mesure peuvent être fixés, à une distance définie géométriquement l'un de l'autre, les capteurs de roue comportant chacun une bobine d'émission (11) et deux bobines de réception associées (12,13), caractérisé en ce qu'au moins un signal de tension d'une bobine de réception (12) est envoyé à un circuit de calcul, qui forme à sa sortie un signal qui est modifié par rapport au signal de tension de la bobine de réception, et en ce que le signal de sortie du circuit de calcul ainsi que le signal de tension de la seconde bobine de réception (13) sont envoyés à un comparateur, dont le signal de sortie peut être acheminé vers le dispositif de mesure.
  3. Dispositif selon la revendication 2, caractérisé en ce que le circuit de calcul est réalisé sous la forme d'un circuit additionneur et ajoute ou soustrait une valeur de tension réglable au ou du signal d'entrée et/ou est réalisé sous la forme d'un circuit de multiplication ou de formation de quotient et réalise une multiplication avec un facteur réglable ou effectue une division par ce facteur.
  4. Dispositif selon la revendication 2 ou 3, caractérisé en ce que le circuit de calcul contient un amplificateur opérationnel aux entrées duquel, d'une part, le signal d'une bobine de réception (13) parvient et d'autre part, une source de tension délivrant une tension réglable est raccordée.
EP94890203A 1993-12-10 1994-12-06 Méthode de fixation de la zone de balayage de dispositifs de mesure activés par véhicule et dispositif de positionnement et de réglage de dispositifs de mesure pour voies ferrées relatif à des détecteurs de roues Expired - Lifetime EP0657337B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2499/93 1993-12-10
AT0249993A AT400429B (de) 1993-12-10 1993-12-10 Verfahren zum festlegen des abtastbereiches von fahrzeugbetätigten messeinrichtungen sowie einrichtung zum einstellen und justieren von messeinrichtungen an gleiswegen relativ zu radsensoren

Publications (2)

Publication Number Publication Date
EP0657337A1 EP0657337A1 (fr) 1995-06-14
EP0657337B1 true EP0657337B1 (fr) 1998-03-25

Family

ID=3535374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94890203A Expired - Lifetime EP0657337B1 (fr) 1993-12-10 1994-12-06 Méthode de fixation de la zone de balayage de dispositifs de mesure activés par véhicule et dispositif de positionnement et de réglage de dispositifs de mesure pour voies ferrées relatif à des détecteurs de roues

Country Status (8)

Country Link
US (1) US5483816A (fr)
EP (1) EP0657337B1 (fr)
AT (1) AT400429B (fr)
CA (1) CA2137583A1 (fr)
DE (1) DE59405523D1 (fr)
DK (1) DK0657337T3 (fr)
ES (1) ES2115197T3 (fr)
FI (1) FI945794A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19745436A1 (de) * 1997-10-15 1999-04-22 Cit Alcatel Schienenkontakt für eine Achszähleinrichtung
US6663053B1 (en) * 2002-08-30 2003-12-16 Introl Design, Inc. Sensor for railcar wheels
CN100410660C (zh) * 2003-12-20 2008-08-13 孙劲楼 双排梳齿形电极开合线圈轮对磁粉探伤机
DE102008025188A1 (de) * 2008-05-23 2009-12-03 Siemens Aktiengesellschaft Vorrichtung zur Detektion des Belegt- oder Freizustandes eines Gleisabschnittes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973430A (en) * 1957-03-25 1961-02-28 Servo Corp Of America Railroad-car wheel locator
US3016457A (en) * 1957-09-30 1962-01-09 Gen Railway Signal Co Detection means for improperly lubricated journals
DE1203816B (de) * 1960-07-22 1965-10-28 Deutsche Bundesbahn Magnetisch gesteuerte Schienenkontakt-einrichtung
US3697745A (en) * 1970-05-18 1972-10-10 Gen Signal Corp Flux nulled wheel detector
US3721821A (en) * 1970-12-14 1973-03-20 Abex Corp Railway wheel sensor
BR8203508A (pt) * 1981-10-05 1983-06-07 Servo Corp Of America Tema detector de caixa quente de carro de estrada de ferro
AT397069B (de) * 1988-05-03 1994-01-25 Josef Frauscher Ing Einrichtung an gleiswegen zur erzeugung von anwesenheitskriterien von schienengebundenen rädern

Also Published As

Publication number Publication date
DK0657337T3 (da) 1999-01-04
EP0657337A1 (fr) 1995-06-14
ATA249993A (de) 1995-05-15
FI945794A0 (fi) 1994-12-09
DE59405523D1 (de) 1998-04-30
US5483816A (en) 1996-01-16
FI945794A (fi) 1995-06-11
AT400429B (de) 1995-12-27
CA2137583A1 (fr) 1995-06-11
ES2115197T3 (es) 1998-06-16

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