EP3756969A1 - Procédé de réglage d'une voie de train voisine pour un véhicule ferroviaire - Google Patents

Procédé de réglage d'une voie de train voisine pour un véhicule ferroviaire Download PDF

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Publication number
EP3756969A1
EP3756969A1 EP19182474.7A EP19182474A EP3756969A1 EP 3756969 A1 EP3756969 A1 EP 3756969A1 EP 19182474 A EP19182474 A EP 19182474A EP 3756969 A1 EP3756969 A1 EP 3756969A1
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EP
European Patent Office
Prior art keywords
train
route
speed
carrier signal
intersection
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.)
Pending
Application number
EP19182474.7A
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German (de)
English (en)
Inventor
Rolf Schmid
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 AG
Original Assignee
Siemens Mobility 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 Mobility AG filed Critical Siemens Mobility AG
Priority to EP19182474.7A priority Critical patent/EP3756969A1/fr
Publication of EP3756969A1 publication Critical patent/EP3756969A1/fr
Pending 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
    • 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
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/007—Safety arrangements on railway crossings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/021—Measuring and recording of train speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
    • B61L19/06—Interlocking devices having electrical operation

Definitions

  • the present invention relates to a method for setting a neighboring driveway for a rail vehicle according to claim 1.
  • Movements of rail vehicles take place in modern railroad infrastructures by setting routes that have a starting point and a destination.
  • a higher-level control entity such as an interlocking, route logic, control system, for this route and closed accordingly.
  • Locked means: Use for the creation of another route is blocked.
  • Track components are decentralized system-technical components and typically vehicle influencing and / or vehicle monitoring units. These units are monitored with regard to functionality and record process data and report them back to a central control and / or monitoring center, such as a control center or an interlocking.
  • train-influencing units that give instructions to the vehicle driver or even directly intervene in the vehicle control or directly set a safe route
  • signals, switches, balises, line conductors, track magnets and the like as well as sensors for recording process variables of the moving train, such as power consumption, speed and the like can be considered.
  • Balises and line conductors, but also axle counters and track circuits and other track vacancy detection systems can also be named as train and track section monitoring units.
  • Safety Integrity Level SIL is a procedure for Determination of the potential risk to people, systems, devices and processes in the event of a malfunction.
  • the standard of the International Electrotechnical Commission IEC 61508 [2] forms the basis for the specifications, design and operation of safety systems. This standard IEC 61508 defines 4 levels: SIL1, ..., SIL4, which need not be explained in detail here.
  • the present invention is therefore based on the object of specifying a method for releasing a setting of a neighboring train route for a rail vehicle which can also be used for tracks / platforms arranged in a curve.
  • FIG 2 shows a section of a track 24 with indication of the direction of travel d of the train 30 according to FIG FIG 1 .
  • the train 30 itself is not shown, only a vehicle antenna 34 attached to the head of the train 30.
  • the term “head of the train” is understood to mean either a traction vehicle or a control car.
  • a loop coaxial cable 36, 38 referred to for short as a loop cable 36, 38, is laid along a rail 28.
  • the loop cable is designed on the outside on the rail 28 as a closed coaxial cable 36 and on the inside on the rail as a slot conductor coaxial cable 38.
  • slot conductor coaxial cable 38 one also speaks of leak coaxial cable 38 or briefly from leak cable 38.
  • the length of the loop cable to be laid for this application depends on the local conditions of the relevant station 4, in particular the maximum speed v max of a train due to the operational conditions and the location of other safety measures such as the ETCS Level of the relevant route section to be taken into account.
  • the vehicle antenna 34 of the train 30 transmits a carrier signal at a certain frequency - for regulatory reasons preferably at 27.095 MHz - which is received by the leakage coaxial cable 38 - as an antenna.
  • a detection unit 40 These carrier signals are evaluated in a detection unit 40.
  • the loop is connected to a termination 44 which also has a bandpass.
  • the bandpass suppresses the useful signal frequency of the train control system (e.g. Euroloop in the frequency range from 10 to 18 MHz) so that only the 27.095 MHz carrier frequency is passed on to the signal multipliers 41.1 / 41.2 without attenuation.
  • the two carrier signals S1 and S2 are each fed to a multiplier 41.1 and 41.2.
  • the two carrier signals are shifted, precisely: the carrier signal S1 is leading or lagging compared to the carrier signal S2, depending on the direction of travel of the train 30.
  • the signal amplitudes play a subordinate role.
  • an AGC (automatic gain control) module can be connected in front of the multiplier.
  • the position of the carrier signals S1 and S2 is in FIG 4b shown, with S3 the product S1 • S2 of the two carrier signals S1 and S2 is designated. This product has a wavelength n • ⁇ .
  • the product S3 S1 • S2 from the multipliers 41.1 and 41.2 is also fed to a low-pass filter 42.1 and 42.2 of 20 Hz in order to filter out unwanted higher-frequency mixed products.
  • the product S3 'filtered in this way is then fed to a frequency determiner 43.1 and 43.2.
  • This frequency determination can also be implemented in digital technology using an analog frequency counter or a signal pulse counter.
  • the counter counts analog signal pulses in an interval of, for example, 1s and then passes them on to a processing unit.
  • This processing unit is not shown in the figures.
  • the processing unit evaluates the number of pulses (comparator with> and ⁇ ) and controls output contacts.
  • the speed of the relevant train 30 results from the number of pulses.
  • the detection unit 40 has two channels in order to achieve a SIL4 level.
  • FIG 3 shows an embodiment using an already existing Euro-Loop coaxial cable. No differences can be found in the track area itself, since it is a particular advantage of this embodiment that an existing technical infrastructure can also be used for another function.
  • the evaluation of the received signals S1 and S2 is partly different.
  • the loop cable 36, 38 is used for the so-called Euro-Loop security system; For details, see e.g. https://de.wikipedia.org/wiki/Euroloop .
  • the Euroloop subsystem is used to transmit a signal aspect to a rail vehicle over a longer or entire range of the distant signal distance. It thus expands the punctiform Eurobalise system in ETCS Level 1. It is standardized at the European level by the ERA. The central element is the leakage line called "Euroloop" at the foot of the rail. The data transmission takes place over the entire length of the loop, which can be up to 1000 m long and is terminated with a termination 44 at the end. It is fed by a loop modem 45. The modem transmits in the frequency range from 9 MHz to 18 MHz and uses Direct Sequence Spread Spectrum for frequency spreading and for CDMA multiplexing.
  • a detection unit 40 ' is also provided, which differs from that according to FIG FIG 2 partially differs.
  • the directional coupler 46 branches off the carrier signal S1 in the direction of the multiplier 41.2.
  • FIG 4a shows a simplified representation of the two received carrier signals S1 and S2.
  • the wavelength ⁇ shown has the following numerical characteristics:
  • FIG 4a Due to the driving speed, the incoming carrier signal S2 and the returning carrier signal S1 experience a transit time delay. This is in FIG 4a denoted by ⁇ t.
  • the diagram according to the FIG 4a can be read both in a time representation t and in a length representation with the wavelength ⁇ . Accordingly, the signal phase ⁇ corresponds to the propagation delay ⁇ t.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP19182474.7A 2019-06-26 2019-06-26 Procédé de réglage d'une voie de train voisine pour un véhicule ferroviaire Pending EP3756969A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19182474.7A EP3756969A1 (fr) 2019-06-26 2019-06-26 Procédé de réglage d'une voie de train voisine pour un véhicule ferroviaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19182474.7A EP3756969A1 (fr) 2019-06-26 2019-06-26 Procédé de réglage d'une voie de train voisine pour un véhicule ferroviaire

Publications (1)

Publication Number Publication Date
EP3756969A1 true EP3756969A1 (fr) 2020-12-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19182474.7A Pending EP3756969A1 (fr) 2019-06-26 2019-06-26 Procédé de réglage d'une voie de train voisine pour un véhicule ferroviaire

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EP (1) EP3756969A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1129694A (fr) * 1955-08-03 1957-01-24 Trt Telecom Radio Electr Appareil pour mesurer la vitesse de mobiles circulant sur une voie
EP3042824A1 (fr) * 2015-01-08 2016-07-13 Bombardier Transportation GmbH Système et procédé permettant de déterminer la vitesse de déplacement d'un véhicule ferroviaire
EP3335961A1 (fr) 2016-12-15 2018-06-20 Siemens Schweiz AG Procédé de validation du réglage d'une voie de train voisine pour un véhicule sur rails

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1129694A (fr) * 1955-08-03 1957-01-24 Trt Telecom Radio Electr Appareil pour mesurer la vitesse de mobiles circulant sur une voie
EP3042824A1 (fr) * 2015-01-08 2016-07-13 Bombardier Transportation GmbH Système et procédé permettant de déterminer la vitesse de déplacement d'un véhicule ferroviaire
EP3335961A1 (fr) 2016-12-15 2018-06-20 Siemens Schweiz AG Procédé de validation du réglage d'une voie de train voisine pour un véhicule sur rails

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