EP2119614B1 - Unité de signalisation dotée d'une redondance DEL - Google Patents

Unité de signalisation dotée d'une redondance DEL Download PDF

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Publication number
EP2119614B1
EP2119614B1 EP09156479A EP09156479A EP2119614B1 EP 2119614 B1 EP2119614 B1 EP 2119614B1 EP 09156479 A EP09156479 A EP 09156479A EP 09156479 A EP09156479 A EP 09156479A EP 2119614 B1 EP2119614 B1 EP 2119614B1
Authority
EP
European Patent Office
Prior art keywords
light source
light
led
filament
control circuit
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.)
Not-in-force
Application number
EP09156479A
Other languages
German (de)
English (en)
Other versions
EP2119614A2 (fr
EP2119614A3 (fr
Inventor
Rolf Weber
Arthur Windisch
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 Schweiz AG
Original Assignee
Siemens Schweiz AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Schweiz AG filed Critical Siemens Schweiz AG
Priority to EP09156479A priority Critical patent/EP2119614B1/fr
Publication of EP2119614A2 publication Critical patent/EP2119614A2/fr
Publication of EP2119614A3 publication Critical patent/EP2119614A3/fr
Application granted granted Critical
Publication of EP2119614B1 publication Critical patent/EP2119614B1/fr
Not-in-force 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
    • 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
    • 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/10—Circuits providing for substitution of the light source in case of its failure
    • H05B39/105—Circuits providing for substitution of the light source in case of its failure with a spare lamp in the circuit, and a possibility of shunting a failed lamp
    • 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
    • H05B47/29—Circuits providing for substitution of the light source in case of its failure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like

Definitions

  • the present invention relates to a signaling unit.
  • Such signaling units are used especially in rail and road traffic as light signals.
  • a conversion to low-maintenance light sources is therefore very expensive and causes high costs and would have to be made during the conversions in the signal boxes overnight.
  • a safety inspection and an official operating license are generally required. The effort is very large. Elaborate conversions allow today very short rest intervals in the transport networks of only a few hours, usually after midnight. Economic criteria speak against it.
  • a device When using double-filament lamps in a signal system designed for this purpose, a device switches automatically to the secondary eddy by means of a device if the main filament breaks. In this case, however, due to the position of the auxiliary coil outside the focal point only a reduced light intensity in the main axis of the signal is achieved and the emission characteristic also changes according to the focal deviation. Electrically speaking, based on the monitoring circuit, however, there are no changes in the circuit parameters due to the helical switching, with the exception of the transient switching of transient artifacts. It should be emphasized here that filament lamps for signaling purposes (and that is the majority of many tracks) can not be replaced by double filament lamps. The reason for this are the different operating data of the incandescent lamps and thus the functional characteristics of the control units installed for single-filament lamps, which are not designed for controlling the two lamp filaments.
  • a LED replacement light source in the lamp signal circuit parallel to the incandescent filament.
  • This source can be synchronous are controlled simultaneously with the control of the lamp or this replacement light source is on cold redundancy and is switched at the time of helix failure in the circuit and takes over the triggered by the control part current flow in the control circuit, the light output of the signal.
  • Such a light emission substitute takes over in the event of failure of a single-filament or at most two-filament incandescent lamp a suitable substitution of the light source and thereby avoids interruptions of the functionality of the signal and thus in the course of operation.
  • the timing of the repair of the signal much better planning than usual.
  • the inventive approach assumes that the standard light source has, for example, a nominal power consumption of a typical signal lamp of 20 watts.
  • the substitution light source together with its drive device, has a significantly lower power consumption.
  • the light source monitoring dimensioned in terms of incandescent lamp characteristics in the associated control part is not able to recognize it as being functional on the basis of the monitored electrical parameters in accordance with the lower power consumption and thus the smaller current of the LED emitter.
  • the Figures 1 and 2 each schematically show a light signal, in which in addition to the light bulb, an LED unit is provided to replace the bulb in the event of burning their filament.
  • the LED unit is arranged directly behind the light bulb on the main light axis; in FIG. 2 The light of the LED unit is fed via a light guide behind the light bulb in the main light axis.
  • an infrared filter to the light exit of the light guide to at least greatly attenuate a thermal feedback of the light bulb to the LED unit or the light guide.
  • the luminous flux via an exit lens on the signal is given only by the solid angle detected by the exit lens. In other words, this means that a large part of the solid angle is black and thus absorbs the light radiation.
  • Modern LED units with quasi punctiform light sources therefore achieve luminous fluxes of up to 100 lumens and more, which easily reach the luminosity of the incandescent lamp used in the signal at significantly lower power consumption.
  • the current latest generation of LEDs now has a luminous efficacy of up to 100 lumens / watt.
  • the incandescent lamp signals radiate in the required and common in the railway safety technology execution (avoidance of phantom light) only a relatively low luminous flux. This is calculated from the active solid angle (sterradiant) and the transmission of the color filter with a light source with white A 2856 ° K. For the signal color red, the 10 lumens are then emitted to the front. From these points of view, the luminous flux defined above must then be assessed.
  • the whistle of the inventive solution is therefore seen to incorporate in signals with incandescent light source a redundant replacement light source in LED technology.
  • the incandescent lamp is left unchanged in the defective state in the signal housing and is used in a suitable manner as an optical function part in the beam path of the then shining LED light source.
  • the LED light source radiates directly into the main axis of the beam path from the glass bulb of the incandescent lamp directed forwardly against the light exit opening of the signal or uses a collimator for processing the radiation characteristics and / or a light guide for the supply of light to the appropriate point in the main axis.
  • the glass bulb of the incandescent lamp is used as a kind of lens, which throws the light in a suitable manner forward on the front lens. It is thereby achieved at least approximately the same effect as is present through the helix in the focal point of the optics.
  • FIGS. 3 and 4 now each show a schematic diagram for a light bulb insert with redundant LED unit; once for a light bulb with only one filament ( Fig. 3 ) and once for a light bulb with a double thread ( Fig. 4 ).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Claims (6)

  1. Unité de signalisation, comprenant :
    a) une source lumineuse ayant un filament incandescent et un circuit de commande ;
    b) un dispositif de commutation, de préférence au moyen d'un relais de courant dans le circuit de commande de la source lumineuse ou, en variante, ayant un circuit électronique pour la détection de la défaillance d'un courant de lampe à incandescence dans le circuit de commande ; caractérisée par
    c) une unité de DEL quasi ponctuelle comme source lumineuse de remplacement, ayant une caractéristique de rayonnement adaptée à la source lumineuse, adaptée à la couleur respective de signal.
  2. Unité de signalisation suivant la revendication 1, dans laquelle la source lumineuse de remplacement ou la sortie du faisceau lumineux de la source lumineuse de remplacement est disposée dans l'axe principal de la source lumineuse dans la direction du rayonnement du faisceau lumineux en étant sur l'axe principal derrière le filament à incandescence.
  3. Unité de signalisation suivant la revendication 1 ou 2, dans laquelle la caractéristique de rayonnement adaptée à la source lumineuse de l'unité de DEL peut être produite directement par la coupelle de la DEL ou en mettant devant un collimateur.
  4. Unité de signalisation suivant l'une des revendications 1 à 3, dans laquelle une protection vis-à-vis de la chaleur de l'unité de DEL est prévue en maintenant une distance (section d'air) ou en utilisant une fibre optique ou un filtre IR ou une combinaison quelconque de ces mesures.
  5. Unité de signalisation suivant l'une des revendications 1 à 4, dans laquelle la sortie de la lumière de l'unité de DEL rayonne vers l'avant dans la direction de l'axe principal ou près de l'ampoule en verre suivant l'axe principal.
  6. Unité de signalisation suivant l'une des revendications 1 à 5, dans laquelle l'ampoule en verre de la source lumineuse sert de collimateur.
EP09156479A 2008-05-15 2009-03-27 Unité de signalisation dotée d'une redondance DEL Not-in-force EP2119614B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09156479A EP2119614B1 (fr) 2008-05-15 2009-03-27 Unité de signalisation dotée d'une redondance DEL

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08103982 2008-05-15
EP09156479A EP2119614B1 (fr) 2008-05-15 2009-03-27 Unité de signalisation dotée d'une redondance DEL

Publications (3)

Publication Number Publication Date
EP2119614A2 EP2119614A2 (fr) 2009-11-18
EP2119614A3 EP2119614A3 (fr) 2010-02-03
EP2119614B1 true EP2119614B1 (fr) 2011-08-24

Family

ID=40910979

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09156479A Not-in-force EP2119614B1 (fr) 2008-05-15 2009-03-27 Unité de signalisation dotée d'une redondance DEL

Country Status (2)

Country Link
EP (1) EP2119614B1 (fr)
AT (1) ATE521517T1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018215121A1 (de) * 2018-09-06 2020-03-12 Siemens Mobility GmbH Verfahren zum Betreiben eines LED-Signalgebers, LED-Signalgeber und verkehrstechnische Anlage
CN110380915A (zh) * 2019-08-26 2019-10-25 湖南中车时代通信信号有限公司 一种基于安全通信协议的热备冗余监测装置
CN113129375B (zh) * 2021-04-21 2023-12-01 阿波罗智联(北京)科技有限公司 数据处理方法、装置、设备及存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586844B1 (fr) * 1985-08-27 1988-04-29 Sofrela Sa Dispositif de signalisation utilisant des diodes electroluminescentes.
DE19729690A1 (de) * 1997-07-11 1999-01-14 Frank Kryszon Leuchtdioden als Beleuchtungskörper für Lichtsignalanlagen
DE19947688A1 (de) * 1999-09-24 2001-04-05 Siemens Ag LED-Lichtsignal

Also Published As

Publication number Publication date
ATE521517T1 (de) 2011-09-15
EP2119614A2 (fr) 2009-11-18
EP2119614A3 (fr) 2010-02-03

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