EP0958986A2 - Einrichtung zum Überwachen von Gleisfrei-Meldeanlagen - Google Patents
Einrichtung zum Überwachen von Gleisfrei-Meldeanlagen Download PDFInfo
- Publication number
- EP0958986A2 EP0958986A2 EP99890162A EP99890162A EP0958986A2 EP 0958986 A2 EP0958986 A2 EP 0958986A2 EP 99890162 A EP99890162 A EP 99890162A EP 99890162 A EP99890162 A EP 99890162A EP 0958986 A2 EP0958986 A2 EP 0958986A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- track
- voltage
- monitoring
- monitoring device
- signaling system
- 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
Links
- 230000011664 signaling Effects 0.000 title claims abstract description 31
- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 238000011156 evaluation Methods 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims description 16
- 238000003745 diagnosis Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000001629 suppression Effects 0.000 claims description 2
- 238000012549 training Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000006266 hibernation Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004171 remote diagnosis Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
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
- B61L1/169—Diagnosis
-
- 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
- B61L1/18—Railway track circuits
- B61L1/181—Details
-
- 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 a device for monitoring of track-free signaling systems with track circuit measuring devices, Axle counters or the like and an evaluation circuit, at which is the track-free signaling system with a supply voltage source is connected and signal voltages of the signaling system in the Evaluation circuit can be evaluated.
- Track-free signaling systems are used to monitor railway lines, to ensure the safety of traffic.
- a Measurement of the track circuit with an isolated rail track such a system for applications of about 1500 m monitoring distance.
- a series of trainings that the incoming and Extending axes within a test section by axle counters to capture.
- the measuring section can be made accordingly be chosen larger.
- the vehicle axles form a low impedance electrical shunt to the track relay, via which a Sidestream flows.
- the remaining electricity will be up to one small residual amount is reduced, causing the track relay to drop out and the track section is reported as occupied.
- the auxiliary voltage the track voltage and due to the design of the track relay As a motor relay, the phase shift is essential. There are very specific for each type of motor relay construction Limit values of these operating data must be observed so that the Function is retained safely.
- axle counting devices When using axle counting devices are usually defines a plurality of metering points, which are at least on The beginning and end of a defined section are and their signal in a counter located in the signal box be evaluated.
- Metering points can be from wheel sensors, Rail contacts and an associated electronic junction box be educated. Rail contacts can be made from transmitter and Receivers exist that are opposite on the rail track are mounted.
- the formation of such axle counters can also enable direction detection, the signals being different Counting points or the receiving coils of such a counting device are processed in largely the same branches.
- the measured voltages are amplified, rectified and then to control a voltage / limit converter used. These converters deliver when not in use two fundamental frequencies.
- Devices for monitoring track sections are, for example DE 36 34 696 A1, DE 44 05 039 A1, CH 684 257 A5, DE 196 31 564 A1 or DE 42 21 779 A1.
- AT 316 644 B shows a circuit arrangement in Axle counting systems described, which the functionality of Monitoring of counting points and responding when a certain one Disturbance, such as the failure of a voltage signal, occured.
- Monitoring devices in the known type usually set additional sensors and additional equipment in advance, so that in addition to the fact that errors are only recognized when they occurred, not only increased the design effort becomes, but also the meaningfulness of such Interference signals depend on the extent of the selected redundancy.
- the invention now aims to set up a device to create the type mentioned, in which in addition to conventional proven and standardized track-free signaling systems monitoring is enabled, which is a trend analysis enables and thus on the possible occurrence of future Draws attention to errors at an early stage.
- the facility also aims at additional components in the area of sensors or measuring devices or axle counters to dispense with actually those measuring devices or axle counters to monitor their signals in the track-free signaling system be evaluated.
- the device essentially consists in that operational characteristics of the alarm system such as the dining and the signal voltages and possibly the phase position of the voltage measured values in the idle state independent of the track-free signaling system are fed to a separate monitoring device, wherein the operating parameters measured as a function of time and be evaluated.
- operational characteristics of the alarm system such as the dining and the signal voltages and possibly the phase position of the voltage measured values in the idle state independent of the track-free signaling system are fed to a separate monitoring device, wherein the operating parameters measured as a function of time and be evaluated.
- the training according to the invention is advantageously made so that that the track-free signaling system has at least one motor track relay contains and that the supply voltage or an auxiliary voltage to the relay connected to the supply voltage source isolated rail sections tapped signal voltage and the phase relationship of the two voltage measurements in Hibernation can be measured and monitored.
- Monitoring will be in the case of track circuit measurements, both the track voltage, the auxiliary voltage and the phase shift monitored and with known operating parameters of each used track-free signaling system compared.
- a change the voltage at the motor relay due to a change in the Bedding resistance is thus recognized at an early stage as well a change in the phase position, which the safe function in the Episode would question.
- Track relays are common operated in quiescent current circuit, with interruptions or Increases in resistance in the circuit, such as rail break, break the connecting cables or defective rail connections as well how short circuits lead to relay dropout, and thus already one Pretend track occupancy message. Leakage current too high poor track insulation or damaged insulation joints likewise to a drop in the track relay and to one Busy message. Through continuous monitoring in the Hibernation can be such, sometimes slow in operation increasing leakage currents, or emerging defective ones Track insulation can be recognized early and already outside the usual maintenance intervals, additional maintenance and Index review.
- the advantage is that Training taken so that the measured values of the monitoring device a central computer of a switch diagnosis system are fed and a trend analysis is carried out in the computer becomes.
- the measuring modules for additional monitoring equipment are different from the application DC measurements are usually made directly on the track and not in the signal box. Measured values, which when driving over the measuring point and thus the damping of the wheel sensor are excluded from the evaluation, whereby the detection of error trends by continuously recording the Operating parameters reveals changes when out of tune in the frequency-selective circles of the outdoor and indoor facilities and frequencies drift away, further if Changes in the electrical parameters of the indoor and outdoor system occur and not least temperature dependencies be determined.
- the device is advantageously designed so that the monitoring circuit with the alarm system for suppression of measured values during the characteristic signal changes is connected in a busy reporting process.
- Another possibility is measured values during a busy reporting process it is hidden if this is briefly continuous measured values as interference signals by means of a computer program recognized and eliminated.
- All known safety devices can additionally at best generate a malfunction report.
- FIG. 1 shows an overall diagram of a monitoring device for a track current circuit reporting device
- Fig. 2 Detail of the wiring of the monitoring device for the Track current circuit reporting device
- Fig. 3 a modified Training using axle counters as part of the Track-free signaling system.
- FIG. 1 shows rails 1 and 2 of a track, which over a distance a with respect to the respective rails 1 and 2 are isolated.
- the area a of the rails 1 and 2 is by appropriate insulation joints from the rest of the course of the track and it becomes a to this section of track Voltage applied to feed lines 3 and 4.
- the voltage is tapped via the signal lines 5 and 6 and one Motor track relay 6 supplied.
- the switch diagnosis system includes one Central computer 7 with a corresponding display 8 and, if appropriate a printer 9, the data for the switch diagnosis system from a plurality of different systems 10 be won.
- the systems 10 can each be assigned Sensors different functions of the switch, such as Tongue position, tongue spacing and wear-dependent Criteria, capture what is not shown in the following is. Linking the switch diagnosis system is essential with the track-free signaling system in a way that Effects and feedback on the safe functioning of the Track-free alarm system excludes.
- FIG. 2 shows a detail of a track-free signaling system for this purpose with a motor track relay 6 can be seen.
- Motor track relay is an auxiliary voltage via lines 11 created.
- the motor track relay 6 is on the lines 12 the track voltage tapped from the track posed. With correct phase position of the signals and corresponding
- the motor track relay is operated in the amplitude desired way. If the track voltage drops, for example the rollover of axes due to the low resistance shunt
- the motor track relay speaks clearly about the axes registers and reports the busy status.
- the separate monitoring device now includes voltage measurement modules 13 and 14 for monitoring the track voltage as well the auxiliary voltage, the evaluation of the signals both in with respect to their amplitude in a voltage measuring circuit 15 as also with regard to their phase position in the corresponding component 16 takes place.
- the signals obtained in this way pass through Input and output interfaces 17 in the system bus 18 and are available to the central computer via a header group 19 in which a trend calculation is carried out.
- a value of the amplitude of a or which changes over time both of the voltage measurement modules allow the voltage to drift and thus suggest possible problems of isolation.
- a Changing the phase position also allows the timing Conclusions about which due to an undesirable The motor track relay no longer shifts the phase position will respond correctly.
- Fig. 3 is a modified training using Axle counting devices can be seen, along the rails 1 or 2 wheel sensors are arranged.
- Axle counters as Security-related facilities for free and busy reporting route sections usually consist of a plurality such metering points as defined by the sensors 20 are at least at the beginning and at the end of a section are arranged and in a motor counter arranged in the signal box 21 can be evaluated.
- To connect the metering points telecommunication cables 22 are used with the motor counter.
- the metering points themselves consist of the wheel sensors 20 or Rail contacts and an electronic junction box 23.
- the rail contacts themselves usually consist of Transmitting and receiving devices, each on the opposite Rail web are mounted. Are in any such device two coils arranged side by side due to their offset enable direction detection.
- the electronic connection device 23 the signals of the two receiving coils are separated in two largely identical branches processed, the tensions usually more rectified and then for control a voltage / limit converter can be used. This If the arrangement is not used, converters deliver two each Fundamental frequencies.
- the two frequencies are now in the electronic Junction boxes 23 by means of carriers and pulse shaper assemblies processed so that two counts on separate count wires and a pulse on a monitoring wire for control a motor counter 21 is available.
- the monitoring device is in a separate housing next to it the electronic junction boxes to be monitored and allowed the continuous measurement of the operating parameters of the point of delivery at rest.
- the signals obtained are over Signal lines 25 and the components described in FIG. 2 Central computer 7 provided.
- the measuring modules are located differs here from the arrangement for track current measurement directly on the track and not in the signal box. Measured values, which when crossing the measuring point and thus at the Attenuation of the wheel sensors are obtained from the evaluation excluded.
- the error trend detection is based on the continuous recording of the operating parameters and in particular their temporal change. In particular are for the Detecting trends Detuning in frequency-selective circles or a drifting away of the frequencies as well as changes in the electrical parameters and temperature-related changes recognizable and evaluable as a trend.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Alarm Systems (AREA)
Abstract
Description
Claims (6)
- Einrichtung zum Überwachen von Gleisfrei-Meldeanlagen mit Gleisstromkreismeßeinrichtungen, Achszählern, oder dergleichen und einer Auswerteschaltung bei welcher die Gleisfrei-Meldeanlage mit einer Speisespannungsquelle verbunden ist und Signalspannungen der Meldeanlage in der Auswerteschaltung ausgewertet werden, dadurch gekennzeichnet, daß Betriebskenngrößen der Meldeanlage wie z.B. die Speise- und die Signalspannungen sowie ggf. die Phasenlage der Spannungsmeßwerte im Ruhezustand unabhängig von der Gleisfrei-Meldeanlage einer gesonderten Überwachungseinrichtung zugeführt sind, wobei die Betriebskenngrößen in Abhängigkeit von der Zeit gemessen und ausgewertet werden.
- Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Gleisfrei-Meldeanlage wenigstens ein Motorgleisrelais (6) enthält und daß die Speisespannung bzw. eine Hilfsspannung zum Relais (6), die an mit der Speisespannungsquelle verbundenen, isolierten Schienenabschnitten (1,2) abgegriffene Signalspannung und die Phasenlage der beiden Spannungsmeßwerte im Ruhezustand gemessen und überwacht werden.
- Einrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Überwachungseinrichtung gegenüber der Sicherheitsmelde einrichtung elektrisch entkoppelt ist und/oder der im Störfall maximal auftretende Spannungsanstieg der Überwachungseinrichtung elektronisch begrenzt ist.
- Einrichtung nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die Meßwerte der Überwachungseinrichtung einem zentralen Rechner (7) eines Weichendiagnosesystems zugeführt sind und im Rechner (7) eine Trendanalyse vorgenommen wird.
- Einrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß bei Achszähleinrichtungen als Betriebskenngrößen im Ruhezustand die Versorgungsspannung, die Ruhefrequenzen und die Ruhesignalamplituden überwacht werden.
- Einrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Überwachungsschaltung mit der Meldeanlage zur Unterdrückung von Meßwerten während der charakteristischen Signaländerungen bei einem Belegt-Meldevorgang verbunden ist.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT99890162T ATE320953T1 (de) | 1998-05-20 | 1999-05-19 | Einrichtung zum überwachen von gleisfrei- meldeanlagen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0087198A AT406857B (de) | 1998-05-20 | 1998-05-20 | Einrichtung zum überwachen von gleisfrei-meldeanlagen |
AT87198 | 1998-05-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0958986A2 true EP0958986A2 (de) | 1999-11-24 |
EP0958986A3 EP0958986A3 (de) | 2002-08-21 |
EP0958986B1 EP0958986B1 (de) | 2006-03-22 |
Family
ID=3501738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99890162A Expired - Lifetime EP0958986B1 (de) | 1998-05-20 | 1999-05-19 | Einrichtung zum Überwachen von Gleisfrei-Meldeanlagen |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0958986B1 (de) |
AT (2) | AT406857B (de) |
DE (1) | DE59913257D1 (de) |
ES (1) | ES2260897T3 (de) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1152247A2 (de) * | 2000-05-05 | 2001-11-07 | Alcatel | Mehrphasendetektor |
WO2004076256A1 (en) * | 2003-02-28 | 2004-09-10 | Cdsrail Limited | Condition monitoring apparatus for track circuits and method |
WO2009026971A1 (en) * | 2007-08-29 | 2009-03-05 | Mario La Rosa | A system for emulating track circuits in railway lines |
ITMI20081551A1 (it) * | 2008-08-28 | 2010-02-28 | Sirti Spa | Metodo e apparato per la determinazione dello stato di occupazione del circuito di un circuito di binario in una linea ferroviaria |
ITMI20081548A1 (it) * | 2008-08-28 | 2010-02-28 | Sirti Spa | Metodo e apparato per la verifica dell' isolamento di un circuito di binario |
EP2216229A3 (de) * | 2009-02-06 | 2012-04-04 | Balfour Beatty PLC | Vorrichtung und Verfahren zu Überwachung von isolierten Schienenstößen |
FR2985709A1 (fr) * | 2012-01-13 | 2013-07-19 | Ic2E Treize | Methode de cablage des entrees de boitiers pilotes de cdv au sein de postes de signalisation ferroviaire |
WO2013131571A1 (de) * | 2012-03-08 | 2013-09-12 | Siemens Aktiengesellschaft | Detektion des belegt- oder freizustandes eines gleisabschnitts mit zustandsbewertung der elektrischen trennung zum benachbarten gleisabschnitt |
CN109557856A (zh) * | 2018-12-08 | 2019-04-02 | 深圳科安达电子科技股份有限公司 | 一种提速道岔运行数据可视化展示系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT316644B (de) * | 1970-11-16 | 1974-07-25 | Siemens Ag | Schaltungsanordnung in Achszähnlagen |
DE3616750A1 (de) * | 1986-05-17 | 1987-11-19 | Standard Elektrik Lorenz Ag | Gleisstromkreis fur eisenbahnanlagen |
DE3732159A1 (de) * | 1987-09-24 | 1989-04-13 | Ivv Ingenieurgesellschaft Fuer | Verfahren und schaltungsanordnung zur ueberwachung von gleisabschnitten in eisenbahnanlagen |
DE4217694A1 (de) * | 1992-05-25 | 1993-12-02 | Siemens Ag | Anordnung zur Auswertung von zwei zu einem Überwachungskreis gehörenden Spannungen |
EP0831006A1 (de) * | 1996-09-20 | 1998-03-25 | Siemens Schweiz AG (Siemens Suisse SA) (Siemens Svizzera SA) Siemens Switzerland Ltd) | Verfahren und Vorrichtung zur Überwachung eines Gleisabschnittes |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD238770A1 (de) * | 1984-05-11 | 1986-09-03 | Werk F Signal Und Sicherungste | Elektronischer signallampenstromkreis der eisenbahnsicherungstechnik |
DE3515962A1 (de) * | 1985-04-30 | 1986-10-30 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung zur signaltechnisch sicheren steuerung und ausfallueberwachung wechselstromgespeister doppelfadenlampen eines lichtsignals, insbesondere vorsignals in eisenbahnsignalanlagen |
-
1998
- 1998-05-20 AT AT0087198A patent/AT406857B/de not_active IP Right Cessation
-
1999
- 1999-05-19 AT AT99890162T patent/ATE320953T1/de not_active IP Right Cessation
- 1999-05-19 EP EP99890162A patent/EP0958986B1/de not_active Expired - Lifetime
- 1999-05-19 DE DE59913257T patent/DE59913257D1/de not_active Expired - Fee Related
- 1999-05-19 ES ES99890162T patent/ES2260897T3/es not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT316644B (de) * | 1970-11-16 | 1974-07-25 | Siemens Ag | Schaltungsanordnung in Achszähnlagen |
DE3616750A1 (de) * | 1986-05-17 | 1987-11-19 | Standard Elektrik Lorenz Ag | Gleisstromkreis fur eisenbahnanlagen |
DE3732159A1 (de) * | 1987-09-24 | 1989-04-13 | Ivv Ingenieurgesellschaft Fuer | Verfahren und schaltungsanordnung zur ueberwachung von gleisabschnitten in eisenbahnanlagen |
DE4217694A1 (de) * | 1992-05-25 | 1993-12-02 | Siemens Ag | Anordnung zur Auswertung von zwei zu einem Überwachungskreis gehörenden Spannungen |
EP0831006A1 (de) * | 1996-09-20 | 1998-03-25 | Siemens Schweiz AG (Siemens Suisse SA) (Siemens Svizzera SA) Siemens Switzerland Ltd) | Verfahren und Vorrichtung zur Überwachung eines Gleisabschnittes |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1152247A2 (de) * | 2000-05-05 | 2001-11-07 | Alcatel | Mehrphasendetektor |
EP1152247A3 (de) * | 2000-05-05 | 2003-06-25 | Alcatel | Mehrphasendetektor |
WO2004076256A1 (en) * | 2003-02-28 | 2004-09-10 | Cdsrail Limited | Condition monitoring apparatus for track circuits and method |
WO2009026971A1 (en) * | 2007-08-29 | 2009-03-05 | Mario La Rosa | A system for emulating track circuits in railway lines |
ITMI20081551A1 (it) * | 2008-08-28 | 2010-02-28 | Sirti Spa | Metodo e apparato per la determinazione dello stato di occupazione del circuito di un circuito di binario in una linea ferroviaria |
ITMI20081548A1 (it) * | 2008-08-28 | 2010-02-28 | Sirti Spa | Metodo e apparato per la verifica dell' isolamento di un circuito di binario |
WO2010023543A2 (en) * | 2008-08-28 | 2010-03-04 | Sirti S.P.A. | Method and apparatus for testing the insulation of a direct current track circuit |
WO2010023543A3 (en) * | 2008-08-28 | 2010-07-08 | Sirti S.P.A. | Method and apparatus for testing the insulation of a track circuit |
WO2010035090A3 (en) * | 2008-08-28 | 2011-01-20 | Sirti S.P.A. | Method and apparatus for determining the occupation state of the circuit of a direct current track circuit in a railway line |
EP2216229A3 (de) * | 2009-02-06 | 2012-04-04 | Balfour Beatty PLC | Vorrichtung und Verfahren zu Überwachung von isolierten Schienenstößen |
FR2985709A1 (fr) * | 2012-01-13 | 2013-07-19 | Ic2E Treize | Methode de cablage des entrees de boitiers pilotes de cdv au sein de postes de signalisation ferroviaire |
WO2013131571A1 (de) * | 2012-03-08 | 2013-09-12 | Siemens Aktiengesellschaft | Detektion des belegt- oder freizustandes eines gleisabschnitts mit zustandsbewertung der elektrischen trennung zum benachbarten gleisabschnitt |
CN109557856A (zh) * | 2018-12-08 | 2019-04-02 | 深圳科安达电子科技股份有限公司 | 一种提速道岔运行数据可视化展示系统 |
Also Published As
Publication number | Publication date |
---|---|
DE59913257D1 (de) | 2006-05-11 |
ES2260897T3 (es) | 2006-11-01 |
AT406857B (de) | 2000-10-25 |
ATA87198A (de) | 2000-02-15 |
EP0958986B1 (de) | 2006-03-22 |
ATE320953T1 (de) | 2006-04-15 |
EP0958986A3 (de) | 2002-08-21 |
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