EP1292481B1 - Vermaschter gleisstromkreis - Google Patents

Vermaschter gleisstromkreis Download PDF

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Publication number
EP1292481B1
EP1292481B1 EP01919191A EP01919191A EP1292481B1 EP 1292481 B1 EP1292481 B1 EP 1292481B1 EP 01919191 A EP01919191 A EP 01919191A EP 01919191 A EP01919191 A EP 01919191A EP 1292481 B1 EP1292481 B1 EP 1292481B1
Authority
EP
European Patent Office
Prior art keywords
track circuit
circuit according
meshed
baseplate
housing
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
EP01919191A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1292481A1 (de
Inventor
Peer Bohlmann
Bernd Raschke
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 AG
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
Publication of EP1292481A1 publication Critical patent/EP1292481A1/de
Application granted granted Critical
Publication of EP1292481B1 publication Critical patent/EP1292481B1/de
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
    • B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
    • B61L23/042—Track changes detection
    • B61L23/044—Broken rails
    • 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
    • B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning

Definitions

  • the invention relates to an audio-frequency meshed track circuit according to the preamble of claim 1.
  • Such a track circuit is known from DE 32 35 283 C2 and from U.S. Pat. 4,389,033 known.
  • Faulty clear messages of a track section are prevented by the fact that the receivers of the track circuit detect the fed to the free and busy message alternating frequency signal, the clear signal of the track section is then made dependent on that both the voltage and the current of the alternating frequency signal exceeds predetermined values.
  • Object of the present invention is to form a meshed track circuit according to the preamble of claim 1 such that when broken track with galvanic isolation is a busy message of the track circuit, d. H. a rail break is also detected in the earth rail.
  • the invention solves this problem by the features of claim 1.
  • the chokes used need not be tuned individually to the different frequencies of the signal currents used in the adjacent track sections, but that their filter characteristic can be designed so that they all possible flowing over the additional conductor To attenuate track circuit signal currents so that it is no longer possible to respond to the respective track circuit receiver. This makes it possible to manufacture the chokes provided according to the invention in larger quantities inexpensively and arbitrarily.
  • the head of the inventively provided throttles are made of a copper or aluminum alloy.
  • Such trained conductors have the necessary conductivity to lead with relatively limited conductor cross-section, the relatively high Triebrückströme almost lossless; They can also be edited well, eg. B. wrap or cut.
  • the conductor can be designed as a copper cable, as it is to be used for the connection of the chokes to the zero rail and the additional neutral conductor; The conductor can also consist of several correspondingly thinner conductors.
  • the throttle winding may advantageously consist of one or more laid in several turns copper wire z. B. via cable ties in itself is dimensionally stable and is to be mounted in this state on a base plate.
  • the reactor winding can be fitted in the not yet assembled, also to be determined on the base core parts.
  • the cores can be fully assembled and z. B. are fixed by means of clamping screws on the base plate.
  • At least some of the cable ties may be additionally fixed for fixing the throttle winding to the base plate.
  • the cores may advantageously be provided with corresponding air gaps.
  • the ready-mounted throttle can be a cup-shaped housing evert that protects the elements of the throttle to the outside mechanically and the housing can be waterproof sealed by the base plate with the throttle elements installed thereon, expediently the housing for conditioning the base plate with a is to provide circumferential seal.
  • the base plate and / or the housing are preferably made of a metallic material, for. As aluminum.
  • the electrical connections for the winding ends of the choke are electrically isolated lead out of the base plate.
  • the base plate can be advantageously provided with a ground terminal and it is also to be provided in an advantageous manner with a spigot for attachment to a track-side housing foot.
  • the remaining space inside the housing is advantageously filled by a casting resin or a mounting foam. This mounting foam ensures not only the mechanical definition of the throttle components but also sufficient heat dissipation to the base plate and the housing wall; it may be interspersed in a known manner with thermally conductive particles.
  • Figure 1 shows schematically the rails 1 and 2 of a track.
  • This track is subdivided by S-shaped rail connectors SV1 and SV2 into adjacent track sections G1, G2 and G3, each of which is to be monitored for its free and busy condition by an associated track circuit.
  • the track circuit G2 associated track circuit consists of a arranged at one end of the track circuit transmitter S, a tuning assembly BG1 and the rail connector SV1, the tracks 1 and 2 and arranged at the other end of the track circuit rail connector SV2, a tuning assembly BG2 and a receiver E.
  • the voting assemblies BG1 and BG2 are tuned to the signal frequency of the monitored track circuit; this differs from the signal frequencies in the adjacent track sections.
  • the receiver E As long as the receiver E receives a sufficiently high level of originating from the transmitter S signal stream, he reports the associated track circuit free. When occupying the track circuit, the wheelsets of the retracted into the track section vehicles short the two rails of the track circuit, whereby the signal level available at the receiver falls below the predetermined threshold. The receiver then reports the track circuit busy. A busy message is also triggered if at least one rail is interrupted, indicated schematically in the drawing by an assumed rail break SB in the rail 1.
  • the traction return currents of the order of a few 100 A also flow across the rails.
  • the rail connectors SV1 and SV2 are to be designed, via which the traction return currents in the individual track sections are balanced become.
  • One of the rails forms the so-called zero-rail, the other the busbar.
  • the rail 1 forms the zero rail and the rail 2, the busbar of the system.
  • the zero rail is often connected to other zero rails of adjacent tracks or with separate ground rails or grounding cables.
  • the effect described at the outset may occur that, despite an interrupted zero rail, the track circuit receiver E receives a signal level which is sufficiently high for its response.
  • a choke Dr1, Dr2 is connected to each link point of the illustrated track circuit through which at least a portion of the traction return current of the zero rail 1 and at least a portion of the track circuit signal current to at least one additional neutral conductor N is derived ,
  • the throttles are low resistance to the relative to the signal currents traction low return currents and attenuate only the contrast higher frequency signal currents in a significant way.
  • FIGS. 2 to 6 show details of a throttle used in the invention in its adapted to the intended application optimized expression.
  • FIG. 2 shows the top view of the throttle according to the invention.
  • This consists essentially of a z. B. made of copper rope winding 3 with a plurality of superposed and e.g.
  • This winding can be produced by winding the copper wire on a, preferably cylindrical shaped body, not shown in the drawing, wherein the winding is fixed in shape after being wound on the molded body by cable ties 4 in itself.
  • the choke winding 3 is provided with a plurality of ferromagnetic cores 7, which wrap around the turns 33 of the choke winding radially. Details of the ferromagnetic cores can be found in FIG.
  • Each ferromagnetic core consists of several sub-cores, in the present example of two U-shaped core parts 71, 72 and two I-shaped parts 73 and 74 of ferrite or sintered material.
  • the lower U-shaped part of the core 71 is isolated on a flat, preferably metallic base plate 8, at which the throttle is set in total.
  • a cup-shaped housing 11 shown in Figure 4 is used. This housing 11 is to be closed by its bottom in the installed position opening side by the base plate 8, wherein in the housing edge expediently a circumferential seal is inserted, against which the Base plate 8 applies.
  • Base plate 8 and housing 11 are preferably made of a metal, in particular an aluminum alloy.
  • Each bolt consists of a metallic electrically highly conductive material such. As copper, which is electrically isolated through electrically insulating bushes and inserted washers 22 through the base plate. The washers 22 have no contact with the bolt 20.
  • At one end of the bolt there is a threaded pin on which the one end of the winding is to be fastened via a loop 23 which is hooked there.
  • the other end of the bolt 20, which protrudes from the base plate to the side facing away from the housing, is provided with a transverse bore 24 through which a contacting cable not shown in the drawing for connection to the zero rail or the other neutral conductors are connected can.
  • the base plate 8 is further provided with a recognizable from Figure 6 grounding bolt 30 and this is electrically connected via a screw 31 with the base plate 8.
  • the bolt 30 protrudes on the opposite side of the housing from the group plate 8 and carries at its free end a ground terminal 32 for connection of an earth connector.
  • the base plate as seen in Figure 4, provided with a bolted-receiving pin 40, via which the base plate 8 and with it the throttle and the housing 11 is to be attached isolated on a track-side housing foot.
  • the choke used according to the invention is cast during manufacture by the manufacturer in the housing or filled with a construction foam.
  • the mass introduced into the housing serves for mechanical fixation of the individual throttle components and also serves for heat dissipation via the surface of the housing and the baseplate.
  • the fully assembled choke is connected on site to the designated connection cables and mounted next to the track on a designated housing foot.
  • the chokes used according to the invention can be used for the meshing of any track circuit, without the need for a special adaptation of their components to the signal frequency used in each case for the relevant track circuit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP01919191A 2000-04-28 2001-03-07 Vermaschter gleisstromkreis Expired - Lifetime EP1292481B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2000122636 DE10022636A1 (de) 2000-04-28 2000-04-28 Vermaschter Gleisstromkreis
DE10022636 2000-04-28
PCT/DE2001/000945 WO2001083281A1 (de) 2000-04-28 2001-03-07 Vermaschter gleisstromkreis

Publications (2)

Publication Number Publication Date
EP1292481A1 EP1292481A1 (de) 2003-03-19
EP1292481B1 true EP1292481B1 (de) 2006-05-24

Family

ID=7641366

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01919191A Expired - Lifetime EP1292481B1 (de) 2000-04-28 2001-03-07 Vermaschter gleisstromkreis

Country Status (8)

Country Link
EP (1) EP1292481B1 (zh)
CN (1) CN1250419C (zh)
DE (2) DE10022636A1 (zh)
DK (1) DK1292481T3 (zh)
ES (1) ES2264684T3 (zh)
HK (1) HK1056151A1 (zh)
NO (1) NO20025183L (zh)
WO (1) WO2001083281A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1348608A1 (fr) * 2002-03-27 2003-10-01 Alstom Belgium S.A. Procédé et installation pour la detection d'un bris de rail
US7954770B2 (en) * 2006-12-15 2011-06-07 General Electric Company Methods and system for jointless track circuits using passive signaling
DE102008038494A1 (de) 2008-08-20 2010-02-25 Hochschule Offenburg Verfahren und Vorrichtung zur Gleisnebenschlusserzeugung durch Bahnfahrzeuge
CN103832293B (zh) * 2014-02-28 2017-07-14 邹梓晗 用于铁路电气化区段的牵引回流平衡装置及其方法
CN108362930B (zh) * 2018-04-23 2024-07-23 广州铁路科开制造有限公司 轨道电流分离装置、牵引电流校验及轨面短路判断方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB218826A (en) * 1923-06-23 1924-07-17 Automatic Telephone Mfg Co Ltd Improvements in or relating to impedance bonds for use in railway signalling systems
AU6888181A (en) * 1980-04-08 1981-10-15 Gec-General Signal Ltd. Broken power rail detection

Also Published As

Publication number Publication date
WO2001083281A1 (de) 2001-11-08
HK1056151A1 (en) 2004-02-06
DK1292481T3 (da) 2006-09-11
DE50109884D1 (de) 2006-06-29
ES2264684T3 (es) 2007-01-16
EP1292481A1 (de) 2003-03-19
CN1426359A (zh) 2003-06-25
NO20025183D0 (no) 2002-10-28
CN1250419C (zh) 2006-04-12
NO20025183L (no) 2002-12-23
DE10022636A1 (de) 2001-10-31

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