EP2900539B1 - Circuiterie de signalisation d'erreurs en cas d'un signal lumineux - Google Patents

Circuiterie de signalisation d'erreurs en cas d'un signal lumineux Download PDF

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Publication number
EP2900539B1
EP2900539B1 EP13792893.3A EP13792893A EP2900539B1 EP 2900539 B1 EP2900539 B1 EP 2900539B1 EP 13792893 A EP13792893 A EP 13792893A EP 2900539 B1 EP2900539 B1 EP 2900539B1
Authority
EP
European Patent Office
Prior art keywords
voltage
signal generator
error
signal
signal transmitter
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.)
Active
Application number
EP13792893.3A
Other languages
German (de)
English (en)
Other versions
EP2900539A2 (fr
Inventor
Kay Köster
Rolf Eckl
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
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Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP2900539A2 publication Critical patent/EP2900539A2/fr
Application granted granted Critical
Publication of EP2900539B1 publication Critical patent/EP2900539B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00—Safety means for rail/road crossing traffic
    • B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
    • B61L29/243—Transmission mechanism or acoustical signals for gates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809—Daylight signals
    • B61L5/1881—Wiring diagrams for power supply, control or testing
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L2207/00—Features of light signals
    • B61L2207/02—Features of light signals using light-emitting diodes [LEDs]

Definitions

  • the invention relates to a circuit arrangement for error disclosure in a light signal, in particular for railway safety systems, with an eventual error reversible shutdown electronic signal transmitter and designed for incandescent control unit for driving and monitoring the signal generator, the error disclosure includes a fault differentiation between line-induced interference voltage and error of the signal generator ,
  • the lines are dimensioned in such a way that when the signal leads are influenced, the influencing current flows through the incandescent lamp and this influencing current does not cause the incandescent lamp to light up.
  • Actuators designed for incandescent light signals typically evaluate a signal current to detect a fault or the proper functioning of the light signal.
  • This start sequence is also given in the case of a low-impedance fault in the signal generator. Due to the impedance of the signal line, the signal voltage breaks down when the electronics are switched on. In this case, a very high current flows, which is rated for the control part not as an error, but as a valid signal stream. The electronics, however, can not measure the current due to the low voltage and, where appropriate, starts a new start attempt.
  • the document EP 2 131 628 A2 shows a circuit arrangement according to the preamble of claim 1.
  • the invention is accordingly based on the object, the reliability of error differentiation between line-related To increase the influencing voltage and the low-impedance fault of the signal transmitter. In particular, independence from capacitive energy buffers is desirable.
  • the object is achieved in that the signal generator is connected to a resistor arrangement such that at high-impedance signal generator, the signal generator voltage is greater than the influencing voltage.
  • the resistor arrangement consists of consumers, which lower the influencing voltage.
  • the voltage breaks down immediately after starting on the signal generator.
  • the signal generator is thus high impedance.
  • the voltage rises again, wherein the signal generator voltage of the high-impedance signal generator is greater than the influencing voltage by the resistor arrangement.
  • the influencing voltage is measured after high-ohm switching, while the signal generator voltage is measured when the signal transmitter is defective.
  • the starting currents do not have to be evaluated and the capacitors required for this purpose as an energy source do not have to be dimensioned exactly and frequently checked. Only the dimensioning of the resistor arrangement must be determined in such a way that the signal generator only becomes so high-impedance that the influencing voltage remains smaller than the voltage at the signal generator.
  • the threshold for detecting the signal generator voltage is not reached, so that no new start attempt takes place and no error message occurs.
  • a voltage threshold is applied, when exceeded an error of the signal generator and when it falls below an influence exists.
  • the voltage threshold is positioned approximately midway between the signal generator voltage and the bias voltage to achieve the most reliable error assignment possible.
  • the resistor assembly is designed to be switched off, said shutdown is carried out according to claim 4 in particular in case of error disclosure.
  • the correct error transmission to the actuator is thereby independent of any repercussions of the resistor assembly and is carried out as in the known error disclosure described above by the high impedance switching of the signal generator and thus the reduction of the signal current.
  • FIG. 1 illustrates the connection of a signal generator 1 via a signal line 2, which is connected via a switch S1 to one of a, usually far from the signal transmitter 1 remote control part, which has a voltage source 3, with a signal voltage U1.
  • U2 is the signal generator voltage
  • U3 is a line-induced influencing voltage.
  • the signal generator 1, the signal generator voltage U2 and the impedance Z3 are assigned.
  • the signal voltage U1 is switched by the control unit via S1 and the signal line 2 with the impedance Z1 to the signal generator 1.
  • the influencing voltage U3 is permanently applied to the signal generator 1 via Z2.
  • a correspondingly simplified circuit diagram shows FIG. 2 ,
  • U2 of the signal generator voltage is much larger than U2 of the influencing voltage.
  • the signal generator 1 is connected to a resistor arrangement which reduces the influencing voltage.
  • FIGS. 4 to 6 each show 33 successively measured current / voltage value pairs. Current and voltage are not normalized.
  • the measured value 637 in the three diagrams indicates a voltage threshold value 4 for distinguishing the influencing voltage from the signal generator voltage in the high-impedance state of the signal transmitter.
  • the signal generator 1 operates error-free with low voltage, so that via the signal generator 1 in stable continuous operation, a voltage drop is present, which results from Z1 and Z3. Since the signal generator 1 is not high-impedance, there is a higher voltage drop across Z1 than in the high-resistance state of Z3. For this reason, the measured voltage is smaller than the threshold value 4. The distinction between the signal generator voltage and the influencing voltage only occurs with a high-impedance signal generator.
  • FIG. 5 shows a typical measurement history at low impedance error Z3.1 of the signal generator 1 and switched signal voltage U1. It can be seen that the voltage of the value pairs 1, 7, 8, 13, 14, 19 and 20 is very low, whereas the current is very high. The high current values in connection with the high voltage values of the value pairs 6, 12 and 18 exceed the threshold value 4, since the signal generator 1 at this value pairs 6, 12 and 18 has switched to the high-impedance state. Due to the high-impedance state in the aforementioned value pairs 6, 12 and 18 and the exceeding of the threshold value 4, the signal generator 1 is restarted. After multiple "false starts" in the value pairs 1, 7 and 19, the signal generator 1 switches at the value pairs greater than 22 high impedance, thus reporting its error to the control section. The signal generator voltage is greater than the threshold value 4.
  • FIG. 6 shows the switch-on behavior with influencing voltage (U3). If influenced, the signal generator 1 starts first and then switches to the high-impedance state. From the fifth value pair the signal generator 1 is high-impedance and the voltage remains below the threshold value 4, whereby the influencing voltage is detected. The switch S1 from the control is open in this state.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Safety Devices In Control Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Claims (4)

  1. Circuiterie de signalisation d'erreurs pour un signal lumineux, notamment pour des installations de sécurité de voie ferrée, comprenant un générateur (1) électronique de signaux se déconnectant réversiblement en cas d'erreurs et une partie de réglage conçue pour des lampes à incandescence, afin d'exciter et de contrôler le générateur (1) de signaux, la signalisation d'erreurs comprenant une différenciation d'erreurs entre une tension d'influence due à la ligne et une erreur du générateur (1) de signaux,
    caractérisée en ce que
    le générateur (1) de signaux est câblé avec un agencement de résistances de manière à ce que, pour un générateur (1) de signaux à grande valeur ohmique, la tension du générateur de signaux soit plus haute que la tension d'influence.
  2. Circuiterie suivant la revendication 1,
    caractérisée en ce que
    pour la différenciation d'erreurs entre la tension du générateur de signaux et la tension d'influence, est prévue une valeur (4) de seuil de tension, dont le dépassement par le haut signale une erreur du générateur (1) de signaux et dont le dépassement par le bas signale une tension d'influence.
  3. Circuiterie suivant l'une des revendications précédentes,
    caractérisée en ce que
    l'agencement de résistances est constitué de manière à pouvoir être déconnecté.
  4. Circuiterie suivant la revendication 3,
    caractérisée en ce que
    une déconnexion de l'agencement de résistances a lieu lors d'une signalisation d'une erreur.
EP13792893.3A 2012-11-30 2013-11-14 Circuiterie de signalisation d'erreurs en cas d'un signal lumineux Active EP2900539B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012221972.2A DE102012221972A1 (de) 2012-11-30 2012-11-30 Schaltungsanordnung zur Fehleroffenbarung bei einem Lichtsignal
PCT/EP2013/073792 WO2014082860A2 (fr) 2012-11-30 2013-11-14 Circuiterie de signalisation d'erreurs en cas d'un signal lumineux

Publications (2)

Publication Number Publication Date
EP2900539A2 EP2900539A2 (fr) 2015-08-05
EP2900539B1 true EP2900539B1 (fr) 2016-08-24

Family

ID=49622808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13792893.3A Active EP2900539B1 (fr) 2012-11-30 2013-11-14 Circuiterie de signalisation d'erreurs en cas d'un signal lumineux

Country Status (8)

Country Link
US (1) US9656681B2 (fr)
EP (1) EP2900539B1 (fr)
CN (1) CN104781130B (fr)
AU (1) AU2013351412B2 (fr)
DE (1) DE102012221972A1 (fr)
ES (1) ES2604823T3 (fr)
PL (1) PL2900539T3 (fr)
WO (1) WO2014082860A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012221972A1 (de) * 2012-11-30 2014-06-18 Siemens Aktiengesellschaft Schaltungsanordnung zur Fehleroffenbarung bei einem Lichtsignal

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU779141A1 (ru) * 1978-07-19 1980-11-15 Ленинградский Ордена Ленина Институт Инженеров Железнодорожного Транспорта Им. Академика В.Н.Образцова Система контрол состо ни путевых устройств электрической централизации и автоблокировки
DD270044A1 (de) * 1988-03-14 1989-07-19 Werk Signal Sicherungstech Veb Schaltungsanordnung zur ueberwachung von elektrischen verbrauchern
DE10221573B4 (de) * 2002-05-08 2004-03-18 Siemens Ag Schaltungsanordnung zum Betreiben eines Leuchtzeichens
SE0401128D0 (sv) * 2004-04-29 2004-04-29 Subsee Ab Mätinstrument
DE102008027632A1 (de) * 2008-06-05 2009-12-17 Siemens Aktiengesellschaft Signalgeber
US20100258682A1 (en) * 2009-04-14 2010-10-14 Jeffrey Michael Fries System and method for interfacing wayside signal device with vehicle control system
US8515697B2 (en) * 2010-05-06 2013-08-20 Ansaldo Sts Usa, Inc. Apparatus and method for vital signal state detection in overlay rail signal monitoring
DE102010026012A1 (de) * 2010-06-29 2011-12-29 Siemens Aktiengesellschaft LED-Lichtsignal
DE102010036514A1 (de) * 2010-07-20 2012-01-26 Sma Solar Technology Ag Vorrichtung und Verfahren zur Überwachung einer Photovoltaikanlage
EP2463174B1 (fr) 2010-12-09 2013-10-30 Siemens Schweiz AG Dispositif et procédé pour remplacer une lampe à incandescence d'un signal lumineux
US8581499B2 (en) * 2011-05-16 2013-11-12 General Electric Company Method and system for determining signal state
US8668170B2 (en) * 2011-06-27 2014-03-11 Thales Canada Inc. Railway signaling system with redundant controllers
DE102011080040A1 (de) * 2011-07-28 2013-01-31 Siemens Aktiengesellschaft Signalgeber
DE102012221972A1 (de) * 2012-11-30 2014-06-18 Siemens Aktiengesellschaft Schaltungsanordnung zur Fehleroffenbarung bei einem Lichtsignal

Also Published As

Publication number Publication date
US9656681B2 (en) 2017-05-23
AU2013351412B2 (en) 2018-06-14
ES2604823T3 (es) 2017-03-09
PL2900539T3 (pl) 2017-02-28
WO2014082860A2 (fr) 2014-06-05
US20150298713A1 (en) 2015-10-22
CN104781130B (zh) 2017-03-08
WO2014082860A3 (fr) 2015-04-16
AU2013351412A1 (en) 2015-05-14
DE102012221972A1 (de) 2014-06-18
CN104781130A (zh) 2015-07-15
EP2900539A2 (fr) 2015-08-05

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