WO2012167898A2 - Ensemble de capteurs pour la détermination d'irrégularités dans ou sur des lignes de courant de traction pour des véhicules ferroviaires - Google Patents

Ensemble de capteurs pour la détermination d'irrégularités dans ou sur des lignes de courant de traction pour des véhicules ferroviaires Download PDF

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Publication number
WO2012167898A2
WO2012167898A2 PCT/EP2012/002357 EP2012002357W WO2012167898A2 WO 2012167898 A2 WO2012167898 A2 WO 2012167898A2 EP 2012002357 W EP2012002357 W EP 2012002357W WO 2012167898 A2 WO2012167898 A2 WO 2012167898A2
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WO
WIPO (PCT)
Prior art keywords
sensor
evaluation unit
sensor arrangement
traction current
coil
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.)
Ceased
Application number
PCT/EP2012/002357
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German (de)
English (en)
Other versions
WO2012167898A3 (fr
Inventor
Volker Grosser
Carsten Brockmann
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Publication date
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Application filed by Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of WO2012167898A2 publication Critical patent/WO2012167898A2/fr
Publication of WO2012167898A3 publication Critical patent/WO2012167898A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/12—Trolley lines; Accessories therefor
    • B60M1/28—Manufacturing or repairing trolley lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/12—Trolley lines; Accessories therefor
    • B60M1/26—Compensation means for variation in length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
    • B61L27/53—Trackside diagnosis or maintenance, e.g. software upgrades for trackside elements or systems, e.g. trackside supervision of trackside control system conditions

Definitions

  • the invention relates to a sensor arrangement for detecting irregularities in or on traction current lines for rail-bound vehicles.
  • a toroidal transformer is arranged around a carrying cable, in which a current is induced, which provides a voltage for supplying the monitoring station.
  • the invention has for its object to provide a sensor array for detecting irregularities in or on traction power lines rail vehicles, which is compact, can capture a variety of state variables of the traction current line and their energy gained from the current in the traction current possibly with momentarily flowing current can be.
  • At least one sensor for detecting at least one state variable of the traction current line an evaluation unit connected to the at least one sensor and a power supply, which supplies the at least one sensor and the evaluation unit with voltage and the one coil for detecting a magnetic field from one through the Stromstrom flowing line is generated, and has a conversion circuit for converting the current induced by the magnetic field in the coil current into storable energy, arranged in a housing which is suitable and adapted to be part of a mechanical fastening of the traction current line, such that the im Housing arranged coil from
  • Magnetic field of the current through the traction current line is penetrated.
  • the sensor assembly may be mounted between the masts for the overhead line of the rail-bound vehicle to the guying device and the housing of the sensor assembly may even be formed itself as a holding device for the traction current line. Because of the spool) le of the energy supply in the immediate vicinity of
  • Traction current line is arranged, the coupling with the magnetic field is particularly good, so that the respectively only briefly generated when driving through a vehicle, which is very high and may be of the order 15 between 400 and 600 A, sufficient for the energy supply, including the conversion circuit provided in the power supply for converting the current induced by the magnetic field in the coil into storable energy contributes to a satisfactory energy management.
  • the conversion circuit comprises an impedance matching, whereby the energy from the magnetic field acting only a short time
  • the high current in the contact wire of several 100 A can be brought by impedance transformation in the range of milliamps.
  • the geometry, the number of turns and the inductance of the coil is chosen so that
  • an inclination sensor As sensor, an inclination sensor, temperature sensor, current sensor, humidity sensor, motion sensor, force sensor, metal detectors or the like may come in, wherein, depending on the monitoring target, one or more sensors may be provided.
  • the theft of a traction current line depending on the signal of a tilt sensor or a metal detector, the state of the traction current line, depending on the temperature and the profile of the magnetic field can be detected.
  • a humidity sensor for example, a dew point measurement can be carried out, wherein icing information can be given with simultaneous information about the temperature.
  • the evaluation unit is connected to a transceiver unit, which is also accommodated in the housing of the sensor arrangement, wherein each sensor arrangement is associated with an identification mark.
  • Data can be sent to a control center via the transceiver unit, the identification number indicating the position of the sensor arrangement, so that detected irregularities can be localized immediately. It is particularly advantageous if the transceiver unit is equipped with a wake-up receiver, since then the energy consumption for the transmit-receive readiness and the data transmission can be minimized.
  • a sensor system can thus be provided along a route in preferably regular intervals, particularly preferably a sensor arrangement between each catenary mast.
  • the data transmission can preferably be carried out in the 2.4 GHz band in accordance with a data hopping method via the transceiver units, ie the individual sensor transducers Orders automatically network to a line structure in which sensor data from sensor array to sensor array can be transmitted to a central office.
  • FIG. 1 shows a schematic view of a rail-bound vehicle with traction current line and sensor arrangements according to the invention
  • Fig. 2 is a schematic representation of the on the
  • FIG. 3 is a schematic view of the sensor arrangement as a holding device of the traction power line
  • FIG. 4 shows a representation of the various components of the sensor arrangement
  • FIG. 5 shows a representation of the functional blocks of the energy supply module used in the sensor arrangement
  • FIG. 5 shows a representation of the functional blocks of the energy supply module used in the sensor arrangement
  • Fig. 6 is a somewhat more detailed circuit of the power supply module.
  • a sensor system for rail vehicles is shown schematically, wherein a catenary of a railway 5 is shown with a guying 4.
  • a driving power line 2 which is also referred to as a contact wire, is on Suspension elements 8 or hangers suspended from a supporting cable of the guying device 4 in such a way that the contact wire is approximately horizontal, wherein for a damping of the rapid passage of pantographs arising contact wire elevation a
  • Suspension of the suspension cable is flexible.
  • the contact wire is additionally stretched taut by tensioning masts.
  • Fig. 1 the web 5 is shown schematically with their current collectors 6 and there is a current flow (see arrow 7) on the
  • the current flows in sections, i. via sections through the traction current line, wherein the other sections of the traction current line 2 are de-energized or, if appropriate, a current flow can be caused by other trajectories.
  • a trajectory current having, for example, 16 2/3 Hz and generating a strong alternating magnetic field for a short period of time is used.
  • sensor arrays 1, which form sensor nodes are preferably arranged on the hangers 8 at regular intervals, preferably between two masts, in the region of the traction current line 2
  • Capture state variables of the traction current line 2 Schematically, two sensor arrangements 1 are shown in FIG. FIGS. FIGS. 2 and 3 schematically show the alignment of the
  • the sensor arrangement 1 comprises sensors not shown in greater detail and at least one coil 9 which is part of a power supply according to the principle of "energy harvesting", ie the coil 9 is within the range of 10 magnetic field orders, which is generated by the short-term current flowing through the traction current line 2. Furthermore, the sensor arrangement 1 comprises an electronic module 11, which is explained in more detail below in connection with FIG. 4 and which, for example, the circuit for
  • Electric module 11 and the coil 9 and sensors are accommodated in a housing 12 of the sensor arrangement 1, which is formed, for example, by a jacket of a molding compound, wherein in a preferred embodiment, the housing 12 simultaneously serves as a fastening device for the traction current line 2, the connected to the trailer 8.
  • the housing 12 may, for example, comprise a hanger clamp, which is suspended from the hanger via a thimble and which engages around a part of the traction current line in a form-fitting manner.
  • FIG. 4 shows the structure of the sensor arrangement in the form of function blocks, wherein the essential components detect sensors 13, the driving current line 2 influencing state variables, a signal processing module 14 for processing the sensor senorsignals, a data processing module 15, the detected and processed sensor signals evaluates and a communication module 16, which sends the result of data processing for information and control to a corresponding center, are.
  • a power supply module 17 is provided for Energykondi- tion that supplies the various components 13 to 16 optionally with different voltages.
  • the mentioned modules 13 to 17 are summarized to the electronic module 11 of Figure 3.
  • a large number of sensors can be used as sensors; a non-limiting selection in the sensor block 13 mentions temperature, inclination or acceleration, current, metal and humidity sensors with which the most varied parameters or accessories can be used.
  • the traction current line can be detected in order to provide appropriate information about their condition.
  • the wear of the traction power line 2 damage or theft of the traction current line, information about irregularities of the current flow, frequency and number of traversing tracks, influences of the weather and the like are given as information.
  • the sensor signals are filtered in the signal processing module and digitized and passed to the data processing module 15, which carries out the evaluation of the filtered and digitized sensor signals for processing the information given above.
  • the data processing module 15 carries out the evaluation of the filtered and digitized sensor signals for processing the information given above.
  • the theft detection, condition monitoring and weather control are listed here.
  • the signal processing module 14 and the data processing module 15 form the evaluation unit of the sensor arrangement.
  • the communication module 16 comprises a transceiver unit which, in addition to a transmitter and receiver for data transmission, has a wake-up receiver which is then triggered and transmits the transmission signals.
  • Receive unit activated when the data processing module 15 provides corresponding information. If, for example, a threshold stored in the data processing 15 for the measured value of the state variable supplied by the sensors 13 is exceeded, an alarm state exists and the transmission Em catching unit is activated to transmit a radio signal as information about the respective state.
  • the data exchange via a multi-Ho method is performed to minimize energy, ie the transmitting-receiving unit sends to the nearest sensor assembly 1, which in turn passes the information to the nearest other sensor arrangements until a central unit is reached.
  • the individual sensor arrangements 1 thus network independently to form a line structure.
  • the respective wake-up receivers are addressed by a radio sequence, which wake up to the other units of the communication module for further transmission.
  • the wake-up receivers consume very little energy, while the actual transmission is energy-intensive.
  • Each sensor node or each sensor arrangement 1 is associated with identification information which includes, inter alia, the position of the respective sensor node or sensor arrangement 1. In this way it is possible to immediately locate the sensor arrangement 1 at which irregularities of the traction current line 2 were detected. In addition, a protocol can be sent via detected by the sensor arrangement limit overruns.
  • the energy supply module 17 comprises the coil 9 for detecting the magnetic field 10 and is here designated by the function block 18, energy production by magnetic induction. Further- In addition, the energy supply unit 17 comprises an electronic circuit unit which has an impedance adaptation 19 and a storage and conditioning 20.
  • the power supply unit 17 supplies the sensor unit 13, the signal processing unit 14, the data processing module 15 and the communication module 16, which are referred to here as a load system 21. Depending on this load system 21, an adaptation of the voltage conditioning is performed (block 22).
  • a circuit arrangement for energy production is shown in more detail.
  • the inductive coupling through the magnetic field around the contact wire around is made via the coil 9, which is connected via a rectifier bridge 23 and a fuse 24 as overvoltage protection against lightning and short circuit of the contact wire with a control circuit 25.
  • a battery 26 and possibly also a capacitor 27 is provided inter alia for the Lastspitzenpuff réelle.
  • the control circuit 25 is used to charge monitoring of the battery 26 and the buffer capacitor 27, i. It measures the energy input and determines the fill level of the energy storage elements 26, 27 and includes, inter alia, a charging IC and temperature and current flow elements.
  • the charge monitoring information is supplied to a microcomputer.
  • a voltage regulator 28 is provided which controls or regulates the voltage conditioning depending on the state of charge of the storage elements 26, 27 and the power requirement of the loads of the sensor arrangement designated 29. This preparation, e.g. the adjustment of the operating voltage will depend on the
  • Microcomputer supplied parameters. overall if necessary and if the state of charge of the memory elements 26, 27 requires it, components are switched off.
  • the sensor assembly of the above-described construction has relatively small dimensions, i. the housing 12 of the sensor assembly, which at the same time serves as attachment for the traction current line 2, may for example have dimensions of 5 to 10 cm in two dimensions and e.g. 1 cm in the third dimension.
  • the power supply can be switched off at least partially by the evaluation unit, and an additional accumulator can also be provided, which ensures that the failure position is sent to the control center in the event of failure of the catenary voltage.
  • the sensor assemblies can be used on the railway lines, even those through relatively uninhabited areas where experience has shown that the risk of theft of the traction current lines is large. Even in urban traffic, the sensor arrangements for rapid local detection of catenary disturbances are applicable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

L'invention concerne un ensemble de capteurs servant à la détermination d'irrégularités dans ou sur des lignes de courant de traction pour des véhicules ferroviaires. Ledit ensemble comporte : au moins un capteur destiné à la détection d'au moins une grandeur d'état de la ligne de courant de traction ; une unité d'évaluation destinée à l'évaluation de signaux de capteur qui sont délivrés par le ou les capteurs ; et une alimentation en énergie qui fournit une tension au ou aux capteurs et à l'unité d'évaluation. Ladite alimentation en énergie comporte une bobine destinée à la détection d'un champ magnétique, qui est produit par un courant s'écoulant dans la ligne de courant de traction, et un circuit de conversion destiné à la conversion du courant induit dans la bobine par le champ magnétique en une énergie pouvant être accumulée. Le ou les capteurs, l'unité d'évaluation et l'alimentation en énergie sont disposés dans un boîtier qui est approprié et adapté pour être une partie intégrante d'une fixation mécanique de la ligne de courant de traction de telle manière que la bobine disposée dans le boîtier est soumise au champ magnétique.
PCT/EP2012/002357 2011-06-07 2012-05-31 Ensemble de capteurs pour la détermination d'irrégularités dans ou sur des lignes de courant de traction pour des véhicules ferroviaires Ceased WO2012167898A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011103951.5 2011-06-07
DE102011103951.5A DE102011103951C5 (de) 2011-06-07 2011-06-07 Sensoranordnung zur Feststellung von Unregelmäßigkeiten in oder an einer Fahrstromleitung für schienengebundene Fahrzeuge

Publications (2)

Publication Number Publication Date
WO2012167898A2 true WO2012167898A2 (fr) 2012-12-13
WO2012167898A3 WO2012167898A3 (fr) 2013-09-06

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PCT/EP2012/002357 Ceased WO2012167898A2 (fr) 2011-06-07 2012-05-31 Ensemble de capteurs pour la détermination d'irrégularités dans ou sur des lignes de courant de traction pour des véhicules ferroviaires

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DE (1) DE102011103951C5 (fr)
WO (1) WO2012167898A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4424553A1 (fr) 2023-03-01 2024-09-04 SNCF Réseau Dispositif et procédé de surveillance de la température d'un fil de contact d'une caténaire
FR3149555A1 (fr) * 2023-06-07 2024-12-13 4Nrj Système et procédé de contrôle d’une flèche de caténaire

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3002810B1 (fr) * 2013-03-01 2017-02-24 Inst Francais Des Sciences Et Tech Des Transp De L'amenagement Et Des Reseaux Generateur d'energie electrique, alimentation electrique, capteur comportant une telle alimentation electrique
DE102015216492A1 (de) * 2015-08-28 2017-03-02 Siemens Aktiengesellschaft Vorrichtung und Verfahren zum Auskoppeln einer elektrischen Leistung
DE102016114322B4 (de) * 2016-08-03 2023-11-02 Powerlines Products Gmbh Netzwerkvorrichtung sowie System mit einer Vielzahl von Netzwerkvorrichtungen
DE102016223623A1 (de) * 2016-11-29 2018-05-30 Bombardier Transportation Gmbh Verfahren zur Notabschaltung
BR112022018787A2 (pt) * 2020-03-19 2022-11-01 Transnet Soc Ltd Dispositivo indicador visual, sistema de monitoramento do dispositivo indicador visual e método respectivo
DE102022207896B3 (de) * 2022-07-29 2023-10-12 METUSAN FUTURE GmbH Vorrichtung zur Befestigung an einem Fahrdraht einer Oberleitung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10345508A1 (de) 2003-09-30 2005-10-20 Siemens Ag Verfahren und Vorrichtung zum Monitoring von Bahn-Fahrdrahtleitungen
DE102008032994A1 (de) 2008-07-14 2010-01-21 Siemens Aktiengesellschaft Vorrichtung zur Versorgung einer Überwachungsstation mit elektrischer Energie

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10104199A1 (de) * 2001-01-31 2002-08-14 Siemens Ag Temperatursensor, Vorrichtung und Verfahren zur Messung der Temperatur einer Fahrleitung
DE102009020124A1 (de) * 2009-03-04 2010-09-09 Siemens Aktiengesellschaft Fernüberwachung von Betriebsparametern einer Fahrleitungsanlage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10345508A1 (de) 2003-09-30 2005-10-20 Siemens Ag Verfahren und Vorrichtung zum Monitoring von Bahn-Fahrdrahtleitungen
DE102008032994A1 (de) 2008-07-14 2010-01-21 Siemens Aktiengesellschaft Vorrichtung zur Versorgung einer Überwachungsstation mit elektrischer Energie

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4424553A1 (fr) 2023-03-01 2024-09-04 SNCF Réseau Dispositif et procédé de surveillance de la température d'un fil de contact d'une caténaire
FR3146294A1 (fr) * 2023-03-01 2024-09-06 Sncf Reseau Dispositif et procédé de surveillance de la température d’un fil de contact d’une caténaire
FR3149555A1 (fr) * 2023-06-07 2024-12-13 4Nrj Système et procédé de contrôle d’une flèche de caténaire

Also Published As

Publication number Publication date
DE102011103951B4 (de) 2013-05-08
WO2012167898A3 (fr) 2013-09-06
DE102011103951C5 (de) 2014-11-27
DE102011103951A1 (de) 2012-12-13

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