EP1883566A1 - Procede et dispositif pour eviter des effets non voulus au niveau de capteurs doubles - Google Patents

Procede et dispositif pour eviter des effets non voulus au niveau de capteurs doubles

Info

Publication number
EP1883566A1
EP1883566A1 EP06753783A EP06753783A EP1883566A1 EP 1883566 A1 EP1883566 A1 EP 1883566A1 EP 06753783 A EP06753783 A EP 06753783A EP 06753783 A EP06753783 A EP 06753783A EP 1883566 A1 EP1883566 A1 EP 1883566A1
Authority
EP
European Patent Office
Prior art keywords
double
sensors
double sensors
impairments
sensor
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.)
Withdrawn
Application number
EP06753783A
Other languages
German (de)
English (en)
Inventor
Klaus Altehage
Rudolph Thalbauer
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.)
Frauscher Holding GmbH
Original Assignee
Frauscher 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 Frauscher GmbH filed Critical Frauscher GmbH
Publication of EP1883566A1 publication Critical patent/EP1883566A1/fr
Withdrawn legal-status Critical Current

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
    • B61L1/161—Devices for counting axles; Devices for counting vehicles characterised by the counting methods

Definitions

  • the invention relates to a method and a device for avoiding unwanted influences of dual sensors in axle counting systems according to the preamble of claims 1 and 7.
  • Axle counting systems are used for free and busy reporting of track sections in the railway network.
  • Inlets to a track section are monitored with doubled wheel sensors (so-called double sensors).
  • double sensors As soon as at least one of the two wheel sensors of a double sensor is influenced by a railway wheel at an inlet to the free track section, the evaluation unit reports an occupancy for safety reasons and remains in this state.
  • the second group includes procedures for distinguishing signals originating from railway wheels from other signals. Due to the required error safety, however, this technique has narrow limits. An example of this is provided by the filtering of the wheel sensor signals (see DE 23 19 164 C2), where shorter pulses are discarded than influences which are not caused by wheels. However, high speeds and small wheel diameters mean that only extremely short pulses can be discarded without impairing the safe detection of railway wheels.
  • EP 1 086 873 A1 describes a possibility of interference filtering, which recommends the group-wise evaluation of the axes taking into account the pulling speed. In this evaluation, wheel sensor pulses are discarded which do not have the same pattern (direction of movement and speed of movement) as those of the other wheels on the same double sensor within one observation period.
  • EP 0662 898 B1 recommends correcting any counting errors by comparing the number of axles of successive counting sections. The prerequisite for this, however, is an expensive superordinate logic as well as a simple track topology. A similar approach is pursued by DE 197 06 021 A1.
  • the aim of the present invention is to activate the double sensor for counting exactly when a train is approaching, and to switch the double sensor insensitive to undesired influences as soon as there is no rail vehicle in the surrounding area.
  • the secure information that there is no rail vehicle there, is obtained for this purpose directly from the adjacent monitoring sections. As a result, no further aids or detectors are necessary in order to activate or deactivate the counting in good time.
  • Track areas (tracks and stations) to be monitored are regularly divided into individual sections, which are automatically monitored by suitable track-free signaling devices.
  • the individual sections are directly adjacent to each other.
  • the boundary points between two sections, that is, when using axle counting systems, the mounting location of the double sensors are framed on both sides by free field sections, which can always provide the secure information on whether this section is free of rail vehicles. This secure information can then be used to temporarily disable counting by the dual sensor.
  • the functionality of the double sensor is permanently monitored. Failure or damage will be detected immediately.
  • signal patterns can be defined depending on the requirements of the rail operator, which should lead to an occupancy of the double sensor and the two associated free reporting sections. Application can find this in the detection of vehicles that are used in an outdoor reporting section (trolley), so do not run properly over the rail to the Free Signal section.
  • activation by certain signal patterns can also serve to increase security. This prevents in the case of a very unlikely but possible failure of a double sensor that the following dual sensors are not activated in time.
  • FIG. 1 shows the schematic representation of a double sensor for detecting and counting rail vehicle wheels in axle counting systems
  • Figure 2 is a schematic representation of a track area with free field sections and double sensors for automatic axle counting and
  • Figure 3 is a flow chart of the method for activating or deactivating the wheel sensors according to the invention.
  • FIG. 2 shows the arrangement of double sensors 3 at the inlet and outlet of free-field sections.
  • Track sections IM, IV are bounded by two double sensors each, switch sections I 1 II of 3 double sensors each. The number may vary depending on the track position. Exiting rail vehicles from station A drive over the double sensors a, b or d and thereby occupy the free field sections I or II.
  • the wheel sensors a, b and d are either always activated or are activated by secure arguments (driving license, track circuit).
  • the wheel sensors c, e and f are inactive as long as the two immediately adjacent free field sections are free (I and II for wheel sensor c, II and III for wheel sensor e and III and IV for wheel sensor f). As soon as the free-field systems of sections I or II no more free message occurs (by rail vehicles or error message), the wheel sensors c and e are activated. In the further course, by occupying the section IM, the wheel sensor f is activated. This scheme can then continue indefinitely, as well in the opposite direction. In the following, the method according to the invention will be described in detail with reference to FIG.
  • step S200 the double sensor is activated to count in step S200.
  • step S201 it is determined whether the adjacent free field sections are free of railway vehicles. If the result is NO, the program returns to step S200, if the result is YES, it is checked in step S202 whether there are further arguments for compulsorily activating the counting capability. In the positive case, the program proceeds to the program step S200, in the negative case to the program step S203. Here it is determined whether the double sensor is functional. If NO, the program goes to step S205 and reports an error to the axis counter. After that, in step S200, the double sensor is activated again for counting.
  • step S203 If the result in step S203 is positive, it is checked in step S204 whether certain signal patterns were identified which should lead to an error message. If NO, the counting function of the wheel sensor is deactivated and then returned to the program step S201.
  • step S205 If a corresponding signal pattern has been detected (YES), the program proceeds to step S205 and to S200.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour activer ou désactiver au moment opportun le comptage d'essieux par des capteurs doubles pour réduire des effets non voulus au niveau des capteurs doubles en l'absence de véhicule ferroviaire aux alentours de la section contrôlée par un système de signalisation de libération de la voie, cette section devant être protégée par les capteurs doubles.
EP06753783A 2005-05-23 2006-05-22 Procede et dispositif pour eviter des effets non voulus au niveau de capteurs doubles Withdrawn EP1883566A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510023726 DE102005023726B4 (de) 2005-05-23 2005-05-23 Verfahren und Vorrichtung zur Vermeidung von ungewollten Beeinflussungen von Doppelsensoren
PCT/EP2006/004850 WO2006125595A1 (fr) 2005-05-23 2006-05-22 Procede et dispositif pour eviter des effets non voulus au niveau de capteurs doubles

Publications (1)

Publication Number Publication Date
EP1883566A1 true EP1883566A1 (fr) 2008-02-06

Family

ID=36649730

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06753783A Withdrawn EP1883566A1 (fr) 2005-05-23 2006-05-22 Procede et dispositif pour eviter des effets non voulus au niveau de capteurs doubles

Country Status (4)

Country Link
EP (1) EP1883566A1 (fr)
CN (1) CN101189155A (fr)
DE (1) DE102005023726B4 (fr)
WO (1) WO2006125595A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008033712A1 (de) * 2008-07-15 2010-01-28 Siemens Aktiengesellschaft Verfahren und Vorrichtung zum Betreiben einer Eisenbahnsicherungsanlage
CN101337552B (zh) * 2008-08-21 2011-11-23 北京佳讯飞鸿电气股份有限公司 采用2x2取2架构的计轴系统
CN102582658B (zh) * 2012-01-19 2015-01-21 中国神华能源股份有限公司 轨道区段占用检测系统
DK2899093T3 (en) * 2014-01-27 2018-08-13 Thales Man & Services Deutschland Gmbh Redundancy switching of detection points
CN105438220B (zh) * 2015-12-24 2017-04-12 北京安润通电子技术开发有限公司 一种冗余容错计轴处理装置及其处理方法
CN107226108B (zh) * 2017-06-19 2023-05-12 深圳科安达电子科技股份有限公司 一种有轨电车控制方法及系统
CN110481387A (zh) * 2019-08-26 2019-11-22 北京康吉森交通技术有限公司 一种过分相系统中的列车运行状态检测方法及装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2319164C2 (de) * 1973-04-16 1975-05-28 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anordnung zum Unterdrücken von elektrischen Impulsen unterhalb einer vorgegebenen Mindestlänge, insbesondere bei Achszählanlagen
DE2640971A1 (de) * 1976-09-11 1978-03-16 Philips Patentverwaltung Verfahren zur richtungserkennung und -anzeige von streckengebundenen fahrzeugen
DE3201293C2 (de) * 1982-01-18 1983-12-15 Standard Elektrik Lorenz Ag, 7000 Stuttgart Einrichtung zur Überwachung des Frei- oder Besetztzustandes eines Gleisabschnittes
DE4233546A1 (de) * 1992-10-01 1994-04-07 Siemens Ag Verfahren zum Korrigieren von Achszählfehlern in Eisenbahnalagen sowie Einrichtung zur Durchführung des Verfahrens
DE4308237A1 (de) * 1993-03-10 1994-09-15 Siemens Ag Verfahren zum Betreiben einer Achszählanlage und Einrichtung zur Durchführung des Verfahrens
DE19641392B4 (de) * 1996-09-27 2008-07-31 Siemens Ag Sensor
DE19653729A1 (de) * 1996-12-11 1998-06-18 Siemens Ag Verfahren zum Betrieb von Achszählanlagen und Einrichtungen zum Durchführen des Verfahrens
DE19706021C2 (de) * 1997-02-07 2002-11-07 Siemens Ag Einrichtung zur Gleisüberwachung
DE19946226C1 (de) * 1999-09-22 2001-03-29 Siemens Ag Verfahren zum Feststellen von an einem Zählpunkt vorübergelaufenen Fahrzeugrädern
DE10137519A1 (de) * 2001-07-30 2003-02-13 Siemens Ag Radsensor
DE10221577B3 (de) * 2002-05-08 2004-03-18 Siemens Ag Magnetischer Radsensor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006125595A1 *

Also Published As

Publication number Publication date
DE102005023726B4 (de) 2007-11-22
WO2006125595A1 (fr) 2006-11-30
DE102005023726A1 (de) 2006-11-30
CN101189155A (zh) 2008-05-28

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