EP2146551B1 - Contrôle de lampe à LEDs, en particulier pour la signalisation des chemins de fer - Google Patents

Contrôle de lampe à LEDs, en particulier pour la signalisation des chemins de fer Download PDF

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Publication number
EP2146551B1
EP2146551B1 EP09162493.2A EP09162493A EP2146551B1 EP 2146551 B1 EP2146551 B1 EP 2146551B1 EP 09162493 A EP09162493 A EP 09162493A EP 2146551 B1 EP2146551 B1 EP 2146551B1
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EP
European Patent Office
Prior art keywords
signal
led light
mode
light source
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
EP09162493.2A
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German (de)
English (en)
Other versions
EP2146551A2 (fr
EP2146551A3 (fr
Inventor
Eike Berg
Stefan Burgass
Rolf Eckl
Uwe Frost
Norbert PÖPPLOW
Michael Zabel
Dirk Zimmermann
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 Mobility GmbH
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Siemens Mobility GmbH
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Publication date
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Publication of EP2146551A2 publication Critical patent/EP2146551A2/fr
Publication of EP2146551A3 publication Critical patent/EP2146551A3/fr
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Publication of EP2146551B1 publication Critical patent/EP2146551B1/fr
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Classifications

    • 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
    • B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
    • B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
    • B61L7/08—Circuitry
    • B61L7/10—Circuitry for light signals, e.g. for supervision, back-signalling
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/12—Controlling the intensity of the light using optical feedback
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • 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 signal generator, which controls a plurality of LED light sources of a certain color and is designed to interact with a signal box.
  • LEDs - light emitting diodes - instead of incandescent lamps are increasingly being used in many areas, especially in railway signaling.
  • LEDs are comparatively inexpensive, durable and bright.
  • the use of LEDs is difficult where the incandescent lamps are to be replaced by LEDs without changing an existing monitoring device. This is particularly true for light signal circuits of the railway, in which the proper function is usually monitored by a signal-technically safe current measurement on the part of the circuit.
  • Another special feature of railway light signals is the signaling at ambient conditions with non-constant light conditions, for example, outside of subway tunnels.
  • a lowering of the light output that is to say the operating voltage
  • signals are used that have multiple signal generator of different colors.
  • One design of these signals unites these signal generators such that all use one and the same light exit opening.
  • several LED light sources of specific color must be signal-technically controllable.
  • multi-purpose signal generators are realized, for example, in that a mirror system deflects the light of the incandescent lamp equipped with the corresponding color filter to a light exit opening.
  • the invention is based on the object to provide a signal generator of the generic type, which meets high safety requirements and which is easily adaptable to the settings on the side of the frame with respect to the color, that is, the respective signal concept.
  • the object is achieved in that the signal generator has a selection circuit for Stelltechnik wh predetermined color selection, which drives a switch for connecting an LED driver of the signal generator with the selected LED light source, the LED driver on the input side via an EMC protection device with the Signaling is formed connectable and the output side is connected to the LED light source, wherein that acted upon by the LED light source or their energization measured value to determine an actual mode, especially with respect to daytime or nighttime operation, with a comparator for comparing the actual mode and one of the signal box predetermined target mode is connected, wherein the comparison result is fed to a looped into the current path of the LED driver circuit breaker.
  • a selection circuit for Stelltechnik wh predetermined color selection which drives a switch for connecting an LED driver of the signal generator with the selected LED light source, the LED driver on the input side via an EMC protection device with the Signaling is formed connectable and the output side is connected to the LED light source, wherein that acted upon by the LED light source or their energization measured value to determine an
  • the LED driver sets the lighting conditions for the LED light source based on the day / night information.
  • the LED light source consists of any parallel or / and series connection of individual LEDs.
  • the EMC - electromagnetic compatibility - protective device eliminates impermissible external voltages in the input signal. Via this input signal, the energy for the generation of light and / or the day / night information and / or the color information is transmitted.
  • the measured value acquisition records the optical and / or electrical operating values of the LED light source and prepares them.
  • Such operating values are in particular light intensity, current supply and color location.
  • the comparator compares the information content of the measured value acquisition with the desired operating mode. If the comparison shows, for example, that the light intensity does not correspond to the high value for daytime operation set by the control panel or the lower value for nighttime operation, the comparator activates the cut-off and reports the deviation to the interlocking.
  • means for eliminating interference voltage can be provided. This requirement arises in particular for larger distances for the transmission of energy by means of electrical lines, as can be coupled into this high-energy interference voltages.
  • a low-impedance line termination is preferably used, whereby the interference voltages are short-circuited.
  • FIG. 1 illustrates the essential functional units of a signal-safe signal generator 1, in which the control of a signal term realized by a red LED light source 2, is provided.
  • An unillustrated interlocking provides an input to the light generation energy.
  • This input signal is fed via an EMC protection device 3, a cut-off switch 4 and a device for noise suppression 5 a LED driver 6.
  • the LED driver 6 is also connected on the input side to a second input signal specified by the interlocking with regard to day / night information.
  • the LED driver 6 controls the energization of the LED light source 2, whose parameters, for example, with respect to light intensity, current or color location of a measured value detection 7 are measured.
  • This measurement can take place optically, as shown in the figures in the form of an optical assembly 8, 8.1, or by measuring electrical properties of the LED light source 2, for example, forward voltage or current flow.
  • the output signal of the measured value acquisition 7 is fed to a comparator 9, which is also connected to the input signal with respect to the day / night information and if the measured actual operating mode does not match the desired operating mode specified by the day / night information, the cut-off switch 4 in the current path of the LED.
  • Driver 6 is activated.
  • a power supply module 10 is required, which takes over the power supply of the functional units of the signal generator 1.
  • a signal safe double signal generator for driving the red LED light source 2 and a green LED light source 12.
  • a common optics 8 is provided, the two LED light sources 2 and 12 including, respectively associated measured value acquisition 7 includes.
  • the common optics 8 the desired radiation characteristic is generated.
  • the light generation energy and the day / night information are provided by the switch side, illuminates the corresponding LED light source 2 or 12.
  • a simultaneous power supply to both signal transmitters 1 and 11 is usually not desirable and is either on the control side or part of the digit side, for example by an additional comparison the output values of the two measured value detections 7, prevented.
  • the functionality of the double signal generator is according to FIG. 1 realized according to the invention with only one signal generator 1.1.
  • the predetermined color information is guided by means of a selection circuit 13 to a changeover switch 14, which connects the LED driver 6 with the respective red LED light source 2 or green LED light source 12 to be controlled.
  • this multi-purpose signal generator 1.1 can also be dispensed with the device for noise suppression 5 in addition, since the color information does not have to be generated from a signal transmitted over greater distances.
  • the switch 14 may have a third switch position in which none of the LED light sources 2 and 12 is connected to the LED driver 6.
  • this off-state is dispensable when the ground state is always the most restrictive signal concept, namely driving the red LED light source 2, that is, the stop state.
  • optics 8.1 may be equipped with a common, acted upon by both LED light sources 2 and 12 measured value acquisition 7.1.
  • FIG. 3 shows a signal safe signaling device 1.2, the input sum signal includes the day / night information and the light generation energy. Compared to the arrangement according to FIG. 2 The mode detection 15 allows the separation of the day / night information from the sum signal, wherein the day / night information for internal processing is supplied to both the LED driver 6 and the comparator 9.
  • a multi-purpose signal generator 1.3 which has to process an input sum signal including the day / night information and the color information, is in FIG. 4 shown.
  • the mode recognition 15.1 serves to split off the day / night information from the specific sum signal, which is not the light generation energy - as in FIG. 3 - but contains the color information.
  • the input sum signal includes all three input variables, namely day / night information, light generation energy and color information
  • a fail-safe multi-purpose signal generator 1.4 according to FIG. 5 to to prefer. It is necessary to provide the EMC protection device 3 and the device for noise suppression 5 for each required signal term, that is before the selection circuit 13.
  • the device for noise suppression 5 should be placed in the current path behind the circuit breaker 4, so that in case of an error in the device for noise suppression 5 also this is turned off, as in FIG. 1 , that is without selection circuit 13, shown.
  • the device for noise suppression 5 must be placed in front of the circuit breaker 4, since the selection circuit 13, the decision which signal concept to be controlled, only the output side of the device for noise suppression 5 can make. As a result, further measures are required to detect errors in the device for noise suppression 5.
  • the signaling safety of the multi-purpose signal generator would no longer exist if an error in the device for noise suppression 5 could lead to an additional current flow, which could simulate the driving interlocking a properly functioning signal.
  • a current limitation is provided in the device designed as a low-impedance line termination for noise suppression 5 to a value below the value, which is evaluated by the interlocking as a properly functioning signal.
  • the figuratively illustrated embodiments can be varied varied and expanded.
  • signaling technology-safe multi-purpose signal generators can be designed, which can implement more than two signal terms. If the same color LED light sources 2 and 12 are used in a multi-purpose signal generator, this arrangement can be used to simulate a conventional double filament lamp with a separate main and secondary filament. For this purpose, for example, a prioritization of the same color LED light sources 2 and 12 are used. To prioritize a priority circuit may be provided, which may optionally also be integrated in the selection circuit 13.
  • a further modification may be that not a special signal input is provided for each signal concept, but that the color information is supplied via an input as a coded signal.
  • the selection circuit 13 is equipped with a corresponding decoder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Claims (4)

  1. Générateur de signal, qui commande plusieurs sources (2, 12) lumineuses par DEL de couleur déterminée et qui est constitué pour coopérer avec un poste d'aiguillage, le générateur (1.2, 1.3, 1.4) de signal ayant un circuit (13) de sélection pour la sélection de couleur pouvant être donnée à l'avance de la part du poste d'aiguillage, circuit qui commande un commutateur (14) de liaison d'un circuit (6) d'attaque de DEL du générateur (1.2, 1.3, 1.4) de signal à la source (2 ou 12) lumineuse par DEL de la couleur sélectionnée, le circuit (6) d'attaque de DEL étant constitué de manière à pouvoir être relié au poste d'aiguillage du côté de l'entrée par un dispositif (3) de protection à compatibilité électromagnétique et étant relié, du côté de la sortie, à la source (2, 12) lumineuse par DEL, dans lequel une détection (7, 7.1) de valeur de mesure alimentée par la source (2, 12) lumineuse par DEL ou par son alimentation en courant est, pour la détermination d'un type de fonctionnement réel, notamment en ce qui concerne un fonctionnement de jour ou un fonctionnement de nuit, relié à un comparateur (9) de comparaison du type de fonctionnement réel à un type de fonctionnement de consigne pouvant être prescrit par le poste d'aiguillage, le résultat de comparaison étant envoyé à un interrupteur (4) mis en boucle dans le trajet de courant du circuit (6) d'attaque de DEL.
  2. Générateur de signal suivant la revendication 1,
    caractérisé en ce que
    le type de fonctionnement de consigne peut être détecté au moyen d'une détection (15, 15.1) de type de fonctionnement à partir d'un signal somme pouvant être prescrit de la part du poste d'aiguillage et contenant le type de fonctionnement de consigne et une énergie de production de lumière ou le type de fonctionnement de consigne et une information de couleur ou le type de fonctionnement de consigne, l'énergie de production de lumière et l'information de couleur, la détection (15, 15.1) de type de fonctionnement étant reliée du côté de la sortie au circuit (6) d'attaque de DEL et au comparateur (9).
  3. Générateur de signal suivant l'une des revendications précédentes,
    caractérisé en ce que
    des moyens d'élimination de tension (5) parasite sont prévus dans le trajet de courant du circuit (6) d'attaque de DEL.
  4. Générateur de signal suivant l'une des revendications précédentes,
    caractérisé en ce que
    il est prévu plusieurs sources (2, 12) lumineuses par DEL de la même couleur, dans lequel un générateur (1, 11) de signal pouvant être commandé dans un ordre donné à l'avance est affecté à chaque source (2, 12) lumineuse par DEL ou bien un générateur (1.1, 1.2, 1.3, 1.4) de signal commun a90574 un circuit prioritaire de commande préférée de l'une des sources (2, 12) lumineuses par DEL.
EP09162493.2A 2008-06-23 2009-06-11 Contrôle de lampe à LEDs, en particulier pour la signalisation des chemins de fer Active EP2146551B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008029725A DE102008029725A1 (de) 2008-06-23 2008-06-23 Signalgeber

Publications (3)

Publication Number Publication Date
EP2146551A2 EP2146551A2 (fr) 2010-01-20
EP2146551A3 EP2146551A3 (fr) 2013-03-06
EP2146551B1 true EP2146551B1 (fr) 2019-04-03

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Application Number Title Priority Date Filing Date
EP09162493.2A Active EP2146551B1 (fr) 2008-06-23 2009-06-11 Contrôle de lampe à LEDs, en particulier pour la signalisation des chemins de fer

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EP (1) EP2146551B1 (fr)
DE (1) DE102008029725A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011080040A1 (de) * 2011-07-28 2013-01-31 Siemens Aktiengesellschaft Signalgeber
DE102012213774A1 (de) * 2012-08-03 2014-02-06 Siemens Aktiengesellschaft Lichtsignal
DE102012019861B4 (de) * 2012-10-10 2021-03-11 Bbr Verkehrstechnik Gmbh Verfahren zurn Betreiben eines Signalgebers und Signalgeber
DE102013218998B4 (de) 2013-09-20 2016-01-14 Siemens Aktiengesellschaft Verfahren zum Einstellen eines LED-Signalgebers hinsichtlich Tag- und Nachtbetrieb und LED-Signalgeber
CN105934019B (zh) * 2016-04-25 2017-09-29 成都益英光电科技有限公司 可互相通讯的照明系统及其检测方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60017709T2 (de) * 1999-11-19 2006-04-06 Gelcore Co., Lachine Anordnung zur Fernüberwachung von Led Leuchten
WO2007036509A1 (fr) * 2005-09-27 2007-04-05 Siemens Aktiengesellschaft Procede et dispositif pour surveiller le signal lumineux d'un element lumineux electro-optique, notamment d'une del haute intensite utilisee dans le trafic ferroviaire pour un signal ferroviaire sur
EP1777533A1 (fr) * 2005-10-21 2007-04-25 ALCATEL Transport Solution Deutschland GmbH Dispositif de surveillance pour une matrice d'unités électriques
DE602005004167T2 (de) * 2005-11-18 2008-12-24 Thales Rail Signalling Solutions Gmbh Elektrische Schaltung für LED Signallampen mit einer Schaltschwelle zum Umschalten zwischen Tages- und Nachtbetrieb

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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Publication number Publication date
EP2146551A2 (fr) 2010-01-20
DE102008029725A1 (de) 2010-01-07
EP2146551A3 (fr) 2013-03-06

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