EP2809564A1 - Detektion des belegt- oder freizustandes eines gleisabschnitts mit zustandsbewertung der elektrischen trennung zum benachbarten gleisabschnitt - Google Patents
Detektion des belegt- oder freizustandes eines gleisabschnitts mit zustandsbewertung der elektrischen trennung zum benachbarten gleisabschnittInfo
- Publication number
- EP2809564A1 EP2809564A1 EP12709055.3A EP12709055A EP2809564A1 EP 2809564 A1 EP2809564 A1 EP 2809564A1 EP 12709055 A EP12709055 A EP 12709055A EP 2809564 A1 EP2809564 A1 EP 2809564A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- track section
- amplitude
- signal
- evaluation device
- parameter
- 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
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
- B61L1/18—Railway track circuits
- B61L1/181—Details
Definitions
- the present invention relates to an evaluation device for a device for detecting the busy or free state of a track section based on a received over the Fahr ⁇ rails of the track section receive signal.
- the known devices have an evaluation device which can also be embodied as part of a receiving device and based on a change in the signal caused by a vehicle he knows insulation value of the rails to each other the occupied or free state of the relevant track section ⁇ .
- the evaluation device depending on the type of each track circuit, ie for example depending on whether it is a DC or an AC track circuit, the evaluation device here in different ⁇ Licher way be educated.
- the evaluator may te device, for example, by means of electronic components, such as in the form of a control computer, realized.
- a corresponding evaluation device i depending on the particular implementation in the outdoor area, ie in the area of the track, or in the indoor system, ie, for example, in a signal box, be arranged.
- the present invention has for its object to provide an evaluation device of the type mentioned above, which allows detection of the busy or free state of a track section with particularly high reliability.
- a Auswer ⁇ te device for a device for detecting the busy or free state of a track section based on a received over the rails of the track section receiving signal, wherein the evaluation device is formed, ⁇ at least one parameter for a Rate of change of the amplitude of the receive signal to determine and on the basis of the at least one parameter for the rate of change of the amplitude of the receive signal to make a state evaluation egg ner electrical separation of the track section from an adjacent track section.
- the evaluation device is thus to determine at least one parameter for a ⁇ plausiblesge ⁇ speed of amplitude of the reception signal formed
- the determination of the at least one parameter for the rate of change of amplitude of the receive signal in particular in the case relevant to a shift ⁇ nen poverty with its first axis in the respective track section in or out with its last axis from the jewei time track section.
- a different rate of change of the amplitude of the receive signal is thus to determine at least one parameter for a ⁇ plausiblesge ⁇ speed of amplitude of the reception signal formed
- the determination of the at least one parameter for the rate of change of amplitude of the receive signal in particular in the case relevant to a shift ⁇ nen poverty with its first axis in the respective track section in or out with its last axis from the jewei time track section.
- such track circuits in which the respective track section is electrically insulated by means of insulating joints from adjacent track sections, are distinguished by the fact that in the aforementioned situations an abrupt change in the amplitude of the receive signal normally occurs.
- This means that the amplitude of the receive signal has a very high ⁇ shoresgeschwindig ⁇ speed in this case.
- the rate of change itself is thus a measure of how fast the amplitude of the reception signal transition value in a change between the busy and free ⁇ state or the outdoor and the busy state of an initial change to the new value.
- the rate of change of the amplitude of the received signal can be detected or expressed in the context of the present invention by means of various parameters. This includes at a substantially constant predetermined amplitude change or a particular those parameters which write the ⁇ mecanicsge ⁇ speed of the amplitude by means of temporal sizes be ⁇ .
- the at least one parameter for the ⁇ shoresge ⁇ speed of the amplitude may also be determined by means of a comparatively more complex mathematical method further. This includes, for example, the possibility of determining the time derivative of the amplitude of the received signal or also of performing a Fourier transformation.
- the evaluation Emsch according to the invention is further adapted to perform based on the at least one parameter for the ⁇ nde ⁇ approach speed of the amplitude of the reception signal, a condition assessment of electrical separation of the track section of an adjacent track section.
- adjacent Gleisab ⁇ sections depending on the respective requirements are more or less pronounced electrically separated from one another in track circuits.
- devices are known in which the tracks are subdivided by means of mechanical or else electrical splitter impacts into track sections or track free reporting sections.
- the evaluation Emsch invention is advantageous because it on the basis of a parameter for the ⁇ plausiblesge ⁇ speed of the amplitude of the reception signal is possible at least to detect faults in electrical separation of adjacent track portions, and to remedy this example, by appropriate maintenance actions. As a result, an increase in the reliability of the detection of the occupied or free state of the respective track slip results. Cut, which ultimately enhances the safety and reliability of rail transport.
- the evaluation device according to the invention is such further developed in that the evaluation device is formed ⁇ , on the basis of at least at least one of which is arranged a parameter for the Su ⁇ alteration speed of the amplitude of the reception signal ei ⁇ ne state evaluation between the track section and an adjacent section of track Make Isolierweles.
- the at least one parameter for the ⁇ mecanicsge ⁇ speed of the amplitude of the reception signal makes it possible with a high accuracy a state evaluation of the at least make a between the section of track and the person concerned the adjacent track section disposed Isolierconcees.
- This is of considerable relevance, since inadequate insulation joints in track circuits are a frequently occurring problem and therefore incur substantial costs for checking the insulation joints of track circuits by visual inspection and / or electrical test procedures for their functionality.
- the inventive guide is shape evaluation device for outputting the formed state of the electrical separation of the track section from the adjacent track section or the state of at least a specified Isolier utilizates to ⁇ related message.
- the evaluation device according to the invention can also be configured such that the evaluation device is formed, the busy or free state of Gleisab ⁇ section taking into account the amplitude of the received signal, the frequency of the receive signal and the phase ⁇ location of the Receive signal to a reference voltage.
- phase-code track circuits are widely used, in which the mentioned quantities are used to detect the busy or free state of the respective track section.
- the protection of corresponding phase-code track circuits against disturbing influences from external currents is frequently achieved by designing the corresponding evaluation device as a motor relay. From the published international patent application WO 2011/061117 AI it is also known to make the busy ⁇ or free state of a track section taking into account the above variables by means of an electronic realization of the function of a motor relay.
- phase code track circuits it is advantageous ⁇ way particularly in phase code track circuits to take into account at least one parameter for the ⁇ mecanicsgeschwindig ⁇ ness of the amplitude of the receive signal during the evaluation by the respective evaluation device.
- the transmitted in the respective track circuit transmission signal in phase code track circuits usually neither for adjacent track ⁇ sections different frequencies still coded with un ⁇ ter Kunststofflichen modulations.
- unserviceable insulating joints which lead to a conductive bridging between adjacent track sections, can usually only be uncovered outside of maintenance operations by untimely occupancy messages of an adjacent track circuit.
- this is at least adapted to determine a parameter for the ⁇ plausiblesge ⁇ speed of the amplitude of a received for the rails of the track section reception signal in the form of an AC voltage.
- the evaluation device according to the invention is used for DC track circuits.
- AC track circuits usually have a much lower susceptibility to faults than DC track circuits and are therefore suitable for a wider range of applications .
- the AC voltage can basically have any frequencies.
- these may be in the range between 5 kHz and 20 kHz.
- the evaluation device according to the invention can also be developed in such a way that the evaluation device is designed to determine the at least one parameter for the rate of change of the amplitude of a receiving signal received via the rails of the track section in the form of an alternating voltage having a frequency of less than 500 Hz ,
- the evaluation device is designed to determine the at least one parameter for the rate of change of the amplitude of a receiving signal received via the rails of the track section in the form of an alternating voltage having a frequency of less than 500 Hz .
- This is advantageous since in practice, in particular for low-frequency track circuits, a pronounced electrical separation or insulation of adjacent track sections from one another is required.
- low-frequency track circuits are often formed as a phase code track circuits, for which according to the relevant above statements a reliable and effective monitoring of the functioning of the ver ⁇ used insulated joints of particular importance.
- the invention further comprises a device for detecting the occupancy or free state of a track section, with an evaluation device according to the invention or an evaluation device according to one of the aforementioned preferred developments of the evaluation device according to the invention and with a transmitting device for feeding a transmission signal in the rails of the track ⁇ section and a receiving device for receiving the caused by the transmission of the transmission signal on the rails of the track section receiving signal.
- the invention further relates to a method for operating a device for detecting the occupancy or free state of a track section, wherein a transmission signal is fed into the rails of the track section and a signal caused by transmission of the transmission signal on the rails of the track section receiving signal Will be received.
- the method of the present invention has the object to provide a method of the aforementioned type, which enables detection of the busy or free state of a track section with a particularly high reliability ⁇ .
- This object is achieved according to the invention by a method for operating a device for detecting the busy or idle state of a track section, a transmission signal being fed into the tracks of the track section and a reception section triggered by a transmission of the transmission signal via the tracks of the track section.
- Signal is received, wherein at least one parameter for a change tion rate of the amplitude of the receive signal be ⁇ true and based on the at least one parameter for the rate of change of the amplitude of the receive signal, a condition assessment of electrical separation of the track section is made by an adjacent track section.
- the inventive method is guiding on the basis of at least made a parameter for the rate of change of Amplitu ⁇ de of the reception signal, a state evaluation at least ei ⁇ nes arranged between the track section and an adjacent section of track Isoliernieses.
- the inventive method can also proceed in such a way that the state of the electrical separation of the track section from the adjacent track section Bezie ⁇ hung as the state of the at least one output at Isoliernieses ⁇ imaging condition message.
- the inventive method can also be developed such that the busy or free state of the track section taking into account the amplitude of the receive signal, the frequency of the receive signal and the Phase position of the reception signal is detected to a comparison voltage.
- the method according to the invention can preferably also run such that a transmission signal in the form of an AC voltage is fed into the rails of the track section.
- a transmission signal having a frequency of less than 500 Hz is fed into the rails of the track section.
- FIG. 2 shows a first schematic diagram for explaining an exemplary embodiment of the method according to the invention
- FIG. 1 shows, in a schematic sketch, an exemplary embodiment of the evaluation device according to the invention, a track circuit with a device for detecting the busy or free state of a track section. Shown is a track section G, the rails F by means of insulating joints II, 12, 13, 14 are electrically isolated from adjacent track sections.
- a device is also schematically indicated which comprises a transmitter device S, a receiver device E and an evaluation device A.
- the transmitting device S is designed to transmit a transmission signal in the rails F of
- Feed track section G which is transmitted via the rails F and causes a reception signal that is received by the receiving device E.
- the evaluation device A With an evaluation of the reception signal by the evaluation device A, it is possible to detect the busy or free state of the Gleisab ⁇ section G.
- the evaluation device A can be designed as a separate component or together with the receiving device E as a common component. Including the rails F of the track section G is thus realized by the arrangement shown in the figure 1 by means of the transmitting device S, the receiving device E, the evaluation device A and the insulating joints II, 12, 13, 14, a track circuit.
- the Evaluation device A or the entirety of evaluation device A and receiving device E thus be given, for example, in the form of a motor relay or in the form of a known from the already mentioned WO 2011/061117 AI electronic imple mentation form such.
- the evaluation device A is characterized in that it is formed to determine at least one parameter for a Change ⁇ approach speed of the amplitude of the reception signal off.
- the evaluation on the basis of at least one parameter for the rate of change of amplitude of the Emp ⁇ fangs signal a condition assessment of the portion between the main-track G and the adjacent track sections arranged insulating joints II and 12 or 13 and 14 vorzu ⁇ take.
- Figure 2 shows for explanation of an embodiment of the inventive method a first schematic slide ⁇ program. Shown is the amplitude U E of the receiving device E via the rails F of the track section G received signal received in the form of a corresponding received voltage as a function of time t. Relative to a received AC voltage, the (time-averaged) magnitude of the amplitude is shown here.
- the difference in time between ti and t 2 are used as characteristic quantities ⁇ SSE for the rate of change of amplitude of the U E Emp ⁇ fangs signal.
- dashed lines in FIG. 2 indicate time intervals ⁇ and T 2 at ⁇ . If the time difference between the time ⁇ points ti and t 2 does not exceed the time interval ⁇ , as is the case in Figure 2, the state of the insulating joints II and 12 in terms of their functioning can be described as good, so that a Maintenance or repair ⁇ tur the insulating joints II and 12 is not required.
- FIG. 3 shows a second schematic diagram for further explanation of the exemplary embodiment of the method according to the invention.
- a rail vehicle moves from the left via the insulating joints II and 12 into the track section G.
- ⁇ be seen at here, however, that the rate of change of amplitude is significantly lower U E of the receive signal.
- ⁇ particular exceeds the difference between the times t 2 and ti in this case, the time interval ⁇ .
- evaluation device A This criterion or this parameter for the ⁇ nde ⁇ approach speed of the amplitude U E of the reception signal, which is shown in Figure 1 evaluation device A is now possible to detect that the insulated joints II, 12 are not fully functional and, therefore, a maintenance should be carried out.
- the evaluation device A thus sends a corresponding status message to a central monitoring device, which may be embodied for example as part of an interlocking, a control center or a maintenance center. Since the difference of the times or times t 2 and ti is indeed greater than the time interval ⁇ , but still smaller than the time interval T 2 , the status message in this case has a medium priority, ie no complete defect of Insulating shocks II, 12 or not report a complete malfunction of the relevant track circuit.
- FIG. 4 shows a fourth schematic diagram for the continued explanation of the exemplary embodiment of the method according to the invention. Also in this case was 2 and 3 again assumed that a rail vehicle from the left on the Insulated II and 12 in the Gleisab ⁇ G cut into the figure 1 correspondingly moves the figures. Compared to the fi gures 2 and 3, the amplitude of the reception signal U E now at entry of the vehicle into the track section G even ⁇ times significantly reduced change in speed. Ins ⁇ particular, the difference between the times t2 and ti now clearly exceeds the time interval T 2 .
- the evaluating device A thus transmits a status message of high priority, ie, for example, an alarm message, which indicates that the insulating collisions II and 12 are not or are not fully functional.
- a status message of high priority ie, for example, an alarm message, which indicates that the insulating collisions II and 12 are not or are not fully functional.
- Be ⁇ least the status notification receiving agency may here- alshin the necessary measures, in the form of an urgent maintenance or repair of the Insulated II, 12 and / or a closure of the track section G for downstream rail vehicles, are taken.
- Guidance forms thereof have the particular advantage that a reliable condition assessment of elec- tric separation of track sections of adjacent track sections can be made.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2012/054007 WO2013131571A1 (de) | 2012-03-08 | 2012-03-08 | Detektion des belegt- oder freizustandes eines gleisabschnitts mit zustandsbewertung der elektrischen trennung zum benachbarten gleisabschnitt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2809564A1 true EP2809564A1 (de) | 2014-12-10 |
| EP2809564B1 EP2809564B1 (de) | 2018-08-08 |
Family
ID=45841468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12709055.3A Active EP2809564B1 (de) | 2012-03-08 | 2012-03-08 | Detektion des belegt- oder freizustandes eines gleisabschnitts mit zustandsbewertung der elektrischen trennung zum benachbarten gleisabschnitt |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2809564B1 (de) |
| WO (1) | WO2013131571A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022206510A1 (de) | 2022-06-28 | 2023-12-28 | Siemens Mobility GmbH | Eisenbahnkomponente und Verfahren zum Ermitteln einer ein Schienenfahrzeug betreffenden, ortsbezogenen Information |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3732159A1 (de) * | 1987-09-24 | 1989-04-13 | Ivv Ingenieurgesellschaft Fuer | Verfahren und schaltungsanordnung zur ueberwachung von gleisabschnitten in eisenbahnanlagen |
| US5045787A (en) * | 1989-12-27 | 1991-09-03 | General Signal Corporation | Apparatus and method for measuring insulated track joint resistances |
| AT406857B (de) * | 1998-05-20 | 2000-10-25 | Vae Ag | Einrichtung zum überwachen von gleisfrei-meldeanlagen |
| IT1390990B1 (it) * | 2008-08-28 | 2011-10-27 | Sirti Spa | Metodo e apparato per la verifica dell' isolamento di un circuito di binario |
| GB2467559A (en) * | 2009-02-06 | 2010-08-11 | Balfour Beatty Plc | Insulated rail joint monitoring apparatus and method |
| DE202009016051U1 (de) | 2009-11-20 | 2010-03-04 | Siemens Aktiengesellschaft | Motorrelais |
-
2012
- 2012-03-08 EP EP12709055.3A patent/EP2809564B1/de active Active
- 2012-03-08 WO PCT/EP2012/054007 patent/WO2013131571A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2013131571A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013131571A1 (de) | 2013-09-12 |
| EP2809564B1 (de) | 2018-08-08 |
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