EP2146551A2 - 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
EP2146551A2
EP2146551A2 EP09162493A EP09162493A EP2146551A2 EP 2146551 A2 EP2146551 A2 EP 2146551A2 EP 09162493 A EP09162493 A EP 09162493A EP 09162493 A EP09162493 A EP 09162493A EP 2146551 A2 EP2146551 A2 EP 2146551A2
Authority
EP
European Patent Office
Prior art keywords
led light
signal
light source
signal generator
led
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
Application number
EP09162493A
Other languages
German (de)
English (en)
Other versions
EP2146551B1 (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
Original Assignee
Siemens AG
Siemens Corp
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Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP2146551A2 publication Critical patent/EP2146551A2/fr
Publication of EP2146551A3 publication Critical patent/EP2146551A3/fr
Application granted granted Critical
Publication of EP2146551B1 publication Critical patent/EP2146551B1/fr
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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
    • 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 drives an LED light source of a certain color and cooperates 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 transmitter has an LED driver, which is connected on the input side via an EMC protection device with the interlocking and the output side with the LED light source and that acted upon by the LED light source or its energization measured value detection an actual operating mode, in particular with regard to daytime or nighttime operation, is connected to a comparator for comparing the actual operating mode and a desired operating mode specified by the signal box, wherein the comparison result is fed to a circuit breaker inserted in the current path of the LED driver.
  • 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 concept, 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 be made optically, as in the embodiments of the FIGS.
  • a common lens 8.1 is provided, which includes both LED light sources 2 and 12, including associated measured value detection 7.
  • the common optics 8.1 the desired radiation characteristic is generated.
  • the light generation energy and the day / night information are provided by the switch side, lit, the corresponding LED light source 2 or 12.
  • a simultaneous power supply to both signal generators 1 and 11 is not desirable and in the rule Either on the control side or on the actuating part side, for example by an additional comparison of the output values of the two measured value detectors 7, is prevented.
  • the functionality of the multi-conceptual signal generator according to FIG. 2 be realized 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 8.2 may be equipped with a common, acted upon by both LED light sources 2 and 12 measured value acquisition 7.1.
  • FIG. 4 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. 1
  • 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.
  • FIG. 3 expands to a multi-purpose signal generator on the basis of a single signal generator 1.3, as FIG. 5 shows.
  • a multi-purpose signal generator 1.4 which has to process an input sum signal including the day / night information and the color information is in FIG. 6 shown.
  • the mode recognition 15.1 serves the splitting off of the day / night information from the specific sum signal, which is not the light generation energy - as with the FIGS. 4 and 5 - 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 1.5 according to FIG. 7 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 interference suppression 5 should preferably be arranged in the current path behind the cut-off switch 4 be so that in case of an error in the device for noise suppression 5 also this is turned off.
  • This preferred variant is in the FIGS. 1 . 2 and 4 , that is, in the variants 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.
  • this arrangement can be used to simulate a conventional double filament lamp with separate main and secondary filament.
  • the arrangement according to FIG. 4 be doubled or there is a prioritization of the same color LED light sources 2 or 12.
  • a priority circuit which may optionally also be integrated in the selection circuit 13.
  • a modification may consist in 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)
  • Train Traffic Observation, Control, And Security (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
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 true EP2146551A2 (fr) 2010-01-20
EP2146551A3 EP2146551A3 (fr) 2013-03-06
EP2146551B1 EP2146551B1 (fr) 2019-04-03

Family

ID=41161368

Family Applications (1)

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

Country Status (2)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014019924A3 (fr) * 2012-08-03 2014-05-01 Siemens Aktiengesellschaft Signal lumineux
US9180896B2 (en) 2011-07-28 2015-11-10 Siemens Aktiengesellschaft Signal transmitter
CN105557070A (zh) * 2013-09-20 2016-05-04 西门子公司 用于关于日间和夜间运行设置led信号发送器的方法和led信号发送器
CN105934019A (zh) * 2016-04-25 2016-09-07 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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012019861B4 (de) * 2012-10-10 2021-03-11 Bbr Verkehrstechnik Gmbh Verfahren zurn Betreiben eines Signalgebers und Signalgeber

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001039553A1 (fr) * 1999-11-19 2001-05-31 Gelcore Company Procede et dispositif de surveillance a distance de lampes a diodes electroluminescentes
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
ATE382530T1 (de) * 2005-11-18 2008-01-15 Alcatel Transp Solution D Gmbh Elektrische schaltung für led signallampen mit einer schaltschwelle zum umschalten zwischen tages- und nachtbetrieb

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9180896B2 (en) 2011-07-28 2015-11-10 Siemens Aktiengesellschaft Signal transmitter
EP2718166B1 (fr) * 2011-07-28 2016-04-13 Siemens Aktiengesellschaft Émetteur de signaux
AU2012289114B2 (en) * 2011-07-28 2017-03-16 Siemens Aktiengesellschaft Signal transmitter
WO2014019924A3 (fr) * 2012-08-03 2014-05-01 Siemens Aktiengesellschaft Signal lumineux
CN105557070A (zh) * 2013-09-20 2016-05-04 西门子公司 用于关于日间和夜间运行设置led信号发送器的方法和led信号发送器
CN105557070B (zh) * 2013-09-20 2017-06-30 西门子公司 用于关于日间和夜间运行设置led信号发送器的方法和led信号发送器
CN105934019A (zh) * 2016-04-25 2016-09-07 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

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Publication number Publication date
EP2146551B1 (fr) 2019-04-03
EP2146551A3 (fr) 2013-03-06
DE102008029725A1 (de) 2010-01-07

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