EP3294608A1 - Dispositif de détection permettant de détecter une roue se déplaçant le long d'un rail de roulement - Google Patents

Dispositif de détection permettant de détecter une roue se déplaçant le long d'un rail de roulement

Info

Publication number
EP3294608A1
EP3294608A1 EP16726083.5A EP16726083A EP3294608A1 EP 3294608 A1 EP3294608 A1 EP 3294608A1 EP 16726083 A EP16726083 A EP 16726083A EP 3294608 A1 EP3294608 A1 EP 3294608A1
Authority
EP
European Patent Office
Prior art keywords
coils
sensor device
receiving
rail
running rail
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
EP16726083.5A
Other languages
German (de)
English (en)
Other versions
EP3294608B1 (fr
Inventor
Rainer Freise
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 Mobility GmbH
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
Priority to PL16726083T priority Critical patent/PL3294608T3/pl
Publication of EP3294608A1 publication Critical patent/EP3294608A1/fr
Application granted granted Critical
Publication of EP3294608B1 publication Critical patent/EP3294608B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B61L1/163—Detection devices
    • B61L1/165—Electrical

Definitions

  • the invention relates to a sensor device for detecting a wheel moving along a running rail, the sensor device being arranged on one side of the running rail with two alternating voltage fed, with respect to a longitudinal direction of the running rail
  • Such a sensor device is known in the form of a two-channel sensor head for detecting a rail vehicle wheel from the Polish patent PL 199810 Bl.
  • the sensor head comprises a transmitting and a receiving head.
  • the transmission header comprises two transmit coils, which are arranged on one side of the running rail toward ⁇ behind the other in the longitudinal direction of the running rail and are fed with an AC voltage.
  • the receiving head arranged on the other side of the running rail comprises two receiving devices, each with two reception coils connected in series with each other in opposite directions relative to the longitudinal direction of the running rail.
  • the present invention is based on the object to provide a sensor device of the aforementioned type, which is particularly advantageous in terms of their operational characteristics.
  • a sensor device for detecting a wheel moving along a travel rail, the sensor device on one side of the rail with two with an AC voltage, based on a Longitudinal direction of the running rail arranged behind one another transmitter coils and interconnected on the other side of the running rail with two receiving means each having two opposite directions to each other in series, relative to the longitudinal direction of the running rail arranged one behind another receiver coil according to the invention achieved in that the Sensoreinrich ⁇ processing of on the one hand Rail at least one bezo ⁇ gen arranged on the longitudinal direction of the running rail between the transmitting coils further transmitting coil, that the Sen- spool and the at least one further transmitting coil with an AC voltage of the same frequency are fed and that of the at least one further transmitting coil generated magnetic ⁇ cal Flow is directed opposite to the magnetic fluxes generated by the transmitting coils.
  • the sensor device for detecting a moving along a rail wheel thus has on one side of the running rail two ⁇ with an alternating voltage-fed with respect to a longitudinal direction of the running rail arranged behind one another on transmission coils.
  • the formulation includes "sequentially arranged" basic ⁇ additionally also a partially overlapping arrangement of the transmit coils. This means that the phrase "arranged one after the other” essentially refers to the respective longitudinal coil axis or coil center.
  • the transmitting coils are arranged one behind the other in the longitudinal direction of the running rail such that they are spaced apart in a non-overlapping manner.
  • the direction Sensorein ⁇ two receiving devices each having two opposite directions to one another series-connected receiving coils.
  • the receiving coils are also arranged one behind the other with respect to the longitudinal direction of the running rail, with a partially overlapping arrangement also being possible in principle according to the above remark in connection with the transmitting coils.
  • the sensor device according to the invention is now distinguished because ⁇ by the fact that they i.e. on the side on which the two transmitting coils are arranged, at least one relative arranged to the longitudinal direction of the rail between the transmitter coils further transmitter coil has on the one side of the running rail, ,
  • the phase difference is 180 °, that is arranged between the transmitting coils wei ⁇ tere transmitter coil has an opposite compared to the two transmitting coils ⁇ magnetic polarity.
  • the further transmission ⁇ reel is acted upon with a shifted compared to the transmit coils by 180 ° in the phase AC voltage.
  • the further transmitting coil differs in terms of its sense of winding from the transmitting coils, which also occurs when exposed to an alternating voltage of the same phase position
  • the sensor ⁇ device for example, from symmetry or potential ⁇ separation set, two or more separate, disposed between the transmitting coils more transmitting coils same phase position may have.
  • the sensor device according to the invention is advantageous since the further transmitting coil leads to an increase in the signal overlap of the two receiving devices. This is advantageous especially with small signal levels occurring and increases the reliability of a direction of travel detection based on the signals detected by the two receiving devices. Due to the fact that the receiving devices in each case have two receiving coils connected in series with one another in series, disturbing influences induced externally are largely suppressed. The reason for this is that corresponding disturbing influences generally affect both receiving coils of a receiving device equally. This applies, for example, with regard to rail currents which, as a rule, have a high degree of symmetry with respect to their coupling into the receiver coils. In addition, the corresponding compensation also applies to magnetic far fields. These may be caused, for example, by adjacent sensor devices whose transmitter magnetic field could otherwise lead to resonant beats in the receiver coils.
  • the fact that the magnetic flux generated by the at least one further transmitting coil is directed counter to the magnetic fluxes generated by the transmitting coils, in addition to the opposing interconnection of the receiving coils of the receiving devices also advantageously has the effect that in each case both receiving coils of the receiving ⁇ devices contribute to the detection of a useful or detection signal. This leads to an increase in the reception voltages of the receiving devices and thus ultimately to an increase in the sensor sensitivity.
  • the coils of the erfindungsge ⁇ MAESSEN sensor device can each be constructed from a plurality of series-connected sub-coils.
  • the transmitting coils, the at least one further transmitting coil and the receiving coils of the sensor device according to the invention can be arranged in different manners. This applies both in respect to the distance of each ⁇ tries coils from each other and from the running rail as well as with respect to the alignment of the respective coils.
  • the transmitting coils which are at least a further transmitting coil and the receiving coils oriented substantially ⁇ oriented horizontally, perpendicularly to the running rail, so that the coil axes point in the direction of the running rail.
  • the transmitting coils, the at least one further transmitting coil and / or the receiving coils in each case also be tilted with respect to the horizontal and / or the ent ⁇ speaking vertical to the running rail.
  • the inventive sensor device can further be formed in the manner that the transmission coil, the least at ⁇ a further transmitting coil and the receiving coils are arranged such that in each case a receiving voltage of the same polarity resulting in movement past a wheel on the sensor device in the receiving coils of the respective receiving means ,
  • the polarity of the receiving voltages of their receiving coils is the same according to said preferred development of the receiving coil, so that at a summation of the received voltages for each of the receiving devices, a magnitude increase in amplitude compared to the received voltages of the individual receiving coils respective receiving device results.
  • the arrangement and orientation of the coils of the sensor device can be selected, for example, such that the "outer" receiving coils of the receiving devices seen in the longitudinal direction of the running rail are essentially arranged by a respective one on the other side of the running rail. nete transmission coil can be influenced.
  • the two in the longitudinal direction of the rail "inner” or “middle” receiving coils of the two receiving devices are advantageously arranged with respect to the other transmitting coil such that they are significantly influenced by the further transmitting coil or caused by this magnetic flux. Due to the fact that the magnetic flux of the white ⁇ send coil opposite to the magnetic fluxes of the transmitting coils, this would normally be induced in the two inner receiving coils each receive a receiving voltage whose sign is opposite to the receiving voltages of the respective outer receiving coil.
  • the sign of the receiving voltages of the central receiving coils rotates so that the receiving voltages of the receiving coils of a receiving device advantageously have the same polarity.
  • both receiving coils of the receiving devices each provide a contribution to the signal or receiving voltage of the respective receiving device.
  • the result is thus an increase in magnitude of the received voltage, which advantageously improves the sensor sensitivity.
  • the receiving coils are arranged at the same distance and in the same orientation to the running rail. This is advantageous since this results in particularly good suppression with respect to interference magnetic fields, for example caused by rail currents.
  • this has a transmitting coil and the at least one further transmitting coil spei ⁇ send generator. This is advantageous because this can be ⁇ provides a particularly simple and cost-effective manner ensures that the transmitting coil and which are fed with an alternating voltage of the same frequency at least one further transmission coil.
  • the sensor device can also be configured in such a way that the transmitting coils, which are at least one further transmitting coil and / or the receiving coils each formed as part of a resonant circuit circuit abandonedbil ⁇ det.
  • the transmitting coils which are at least one further transmitting coil and / or the receiving coils each formed as part of a resonant circuit circuit abandonedbil ⁇ det.
  • the inventive sensor device can also be further developed such that the transmission coil, which further coil and / or the receiving coils are formed free of ferromagnetic materials at least ⁇ .
  • the design of the respective coils free of ferromagnetic materials offers the advantage that this reduces or avoids inductive interference influences.
  • the transmitting coils and the at least one further transmission coil are arranged in a housing the Common ⁇ men. This results in the transmitter side a particularly simple mechanical design of the Sensorein ⁇ direction associated with advantages in the installation of the sensor device on or in the region of the rail.
  • the sensor device according to the invention can also be developed in such a way that the reception directions are arranged in a common housing.
  • the arrangement of the receiving devices in a common housing also brings advantages with regard to a particularly simple mechanical design of the sensor device and with respect to the assembly.
  • the invention further comprises a wheel sensor with a sensor device according to the invention or a sensor device according to one of the aforementioned preferred developments of the sensor device according to the invention and with an evaluation device connected to the receiver devices.
  • the evaluation device in the immediate vicinity of the receiving devices, that is in the
  • Track area or arranged in a comparatively short distance control box, or spatially offset from the sensor device in a central control device, such as in the form of a signal box, be arranged.
  • the evaluation device is designed based on signals from the receiving devices
  • the invention further comprises a device for controlling and / or monitoring the rail-bound traffic with at least one wheel sensor according to the invention or at least one wheel sensor according to the aforementioned preferred development of the wheel sensor according to the invention.
  • the device according to the invention is in this case designed such that it is a track-free reporting device.
  • wheel sensors are used, in particular, in connection with track-free signaling devices or axle-mounted systems. counting devices of such track-free signaling devices.
  • FIG. 1 shows in a first schematic sketch a sectional view of an embodiment of the inventions ⁇ to the invention sensor device
  • Figure 2 is a plan view of the embodiment of the invention shown SEN sensor means and Figure 3 in a third schematic diagram of a further in a second schematic sketch
  • FIG. 1 shows in a first schematic sketch a
  • Sectional view of an embodiment of the inventive ⁇ sensor device Visible here is a housing 10 of a transmitter for detecting a moving along a running rail 60 wheel 50 and the flange 51 serving sensor device.
  • a transmission coil 11 is arranged, the magnetic field or magnetic flux is indicated in Figure 1 and indicated by the reference ⁇ sign 21.
  • the sensor device comprising for detecting along the travel rail 60 moving wheel 50 a recipient ger with a housing 30 in which according to the Thomasdar ⁇ position of Figure 1 a receiving coil 32 is arranged.
  • the sensor device according to the described exemplary embodiment of the invention has further components which are not shown or not recognizable in the schematic sectional representation of FIG.
  • the sensor device comprises a transmitter and a receiver, which are arranged on different sides of the running rail 60.
  • the housing 10 of the transmitter deviating from the illustration of Figure 1 can of course also be arranged at the same height or lower than the housing 30 of the receiver of the sensor device.
  • the figures are only schematic representations. This means in particular that the representations are not measured ⁇ stick faithfully and other components which are known per se genome ⁇ men, for reasons of clarity weggelas- sen were.
  • FIG. 2 shows in a second schematic sketch a top view of the exemplary embodiment of the sensor device according to the invention.
  • the sensor device has two transmitting coils 11 and 12, which are arranged one behind the other in relation to the longitudinal direction of the running rail 60.
  • the sensor device comprises two receiving devices 31, 35, each having two oppositely connected, with respect to the longitudinal direction of the rail 60 successively arranged receiving coils 32 and 33 or 36 and 37 have.
  • the transmitting coils 11, 12 are supplied with an alternating voltage, resulting in magnetic flux or magnetic fields 21, 22, which are adapted to induce a voltage in the receiving coils 32, 33, 36, 37. Through a change tion of the receiving means 31, 35 registered in a passing movement of a wheel receiving voltages, it is possible to detect the wheel in question.
  • the sensor device on the transmitter side that is, on one side of the running rail 60, on which the transmitting coils 11, 12 are arranged, a relative to the longitudinal direction of the running rail 60 between the transmitting coils 11, 12 arranged further transmitting coil 13.
  • this Sen ⁇ be provided despulen example, seen both in the longitudinal direction of the rail 60 in this case between the transmitter coils
  • both the transmitting coils 11, 12 and the further transmitting coil 13 are designed as part of a resonant circuit. Furthermore, the transmitting coils 11, 12, the further transmitting coil 13 and the receiving coils 32, 33, 36, 37 are each constructed completely free of ferromagnetic materials.
  • FIG. 3 shows a third schematic diagram of a further plan view of the embodiment of the invention shown SEN sensor device.
  • the illustration corresponds to sen- On the receiver side, that is, on the part of the receiving devices 31 and 35, the electrical circuit is now indicated to the effect that the receiving coils 32 and 33 of the receiving device 31 are connected in series with each other in accordance with the marked winding sense and together with a Kon ⁇ capacitor 34 form a receiving resonant circuit.
  • the receiving device 35 is formed together with a capacitor 38 a resonant circuit receiving by the receiver coils 36 and 37th
  • the structure of the sensor device with the other, between the transmitting coils 11, 12 arranged transmitting coil 13 also leads to a relevant in particular for a direction of travel detection sufficient signal overlap between the receiving or signal voltages 41 and 42 of the receiving devices 31 and 35 in all operational situations results.
  • the reason for this is that, even with the center position of a wheel above the sensor device due to the further transmitting coil 13, a voltage is generated or induced at least in the receiver coils 33 and 36.
  • the sensor device according to the invention on the one hand special into ⁇ the advantage that will be suppressed from the outside induced Störein ⁇ rivers, since these both Emp ⁇ fang coils 32 and 33 or 36 and 37 of the respective receiving means 31 or 35 usually affect equally. This results in a high noise immunity results in particular for the preferred case that all the receiver coils 32, 33, 36 and 37 have the sliding surfaces ⁇ distance and the same orientation relative to the running rail 60, in particular with respect to track currents caused by magnetic fields.
  • both interference-field-compensating reception coils 32 and 33 or 36 and 37 of the reception devices 31 and 35 which can also be referred to as reception channels , contribute to the reception or useful signal. As a result, this leads to an increase in the received voltage and thus to an increased detection sensitivity of the sensor device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

L'invention concerne un dispositif de détection permettant de détecter une roue se déplaçant le long d'un rail de roulement (60), le dispositif de détection comportant sur un côté du rail de roulement (60) deux bobines émettrices (11, 12) alimentées en une tension alternative, agencées l'une derrière l'autre par rapport au sens de la longueur du rail de roulement (60), et sur l'autre côté du rail de roulement (60) deux dispositifs émetteurs (31, 35) comportant respectivement deux bobines réceptrices (32, 33 ; 36, 37) raccordées en série en sens opposé l'une par rapport à l'autre, agencées les unes derrière les autres par rapport au sens de la longueur du rail de roulement (60). Selon l'invention, le dispositif de détection est configuré de telle manière qu'il présente sur un côté du rail de roulement (60) au moins une autre bobine émettrice (13) agencée entre les bobines émettrices (11, 12) par rapport au sens de la longueur du rail de roulement (60), que les bobines émettrices (11, 12) et la ou les autres bobines (13) sont alimentées en une tension alternative de la même fréquence, et que le flux magnétique (23) généré par la ou les autres bobines émettrices (13) est orienté en sens opposé par rapport au flux magnétique (21, 22) généré par les bobines émettrices (11, 12).
EP16726083.5A 2015-06-30 2016-05-30 Dispositif de détection permettant de détecter une roue se déplaçant le long d'un rail de roulement Active EP3294608B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16726083T PL3294608T3 (pl) 2015-06-30 2016-05-30 Urządzenie czujnikowe do wykrywania koła poruszającego się wzdłuż szyny jezdnej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015212120.8A DE102015212120A1 (de) 2015-06-30 2015-06-30 Sensoreinrichtung zum Detektieren eines sich entlang einer Fahrschiene bewegenden Rades
PCT/EP2016/062141 WO2017001128A1 (fr) 2015-06-30 2016-05-30 Dispositif de détection permettant de détecter une roue se déplaçant le long d'un rail de roulement

Publications (2)

Publication Number Publication Date
EP3294608A1 true EP3294608A1 (fr) 2018-03-21
EP3294608B1 EP3294608B1 (fr) 2021-11-17

Family

ID=56092917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16726083.5A Active EP3294608B1 (fr) 2015-06-30 2016-05-30 Dispositif de détection permettant de détecter une roue se déplaçant le long d'un rail de roulement

Country Status (6)

Country Link
EP (1) EP3294608B1 (fr)
AU (1) AU2016287693B2 (fr)
DE (1) DE102015212120A1 (fr)
ES (1) ES2905590T3 (fr)
PL (1) PL3294608T3 (fr)
WO (1) WO2017001128A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1605427C3 (de) * 1967-07-20 1974-04-25 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum Erzeugen und Übertragen von Achszählimpulsen in Achszählanlagen
US3721821A (en) * 1970-12-14 1973-03-20 Abex Corp Railway wheel sensor
DD118034A1 (fr) * 1975-03-19 1976-02-12
DE10350733B4 (de) * 2003-10-20 2006-04-27 Werner Turck Gmbh & Co. Kg Induktiver Näherungsschalter mit Differenzspulenanordnung
PL199810B1 (pl) 2003-11-12 2008-11-28 Bombardier Transp Zwus Polska Zespolona dwukanałowa głowica czujnika koła pojazdu szynowego

Also Published As

Publication number Publication date
AU2016287693B2 (en) 2019-01-31
PL3294608T3 (pl) 2022-03-14
AU2016287693A1 (en) 2017-12-21
DE102015212120A1 (de) 2017-01-05
ES2905590T3 (es) 2022-04-11
EP3294608B1 (fr) 2021-11-17
WO2017001128A1 (fr) 2017-01-05

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