EP1524168B1 - Feu de signalisation pour véhicules ferroviaires - Google Patents

Feu de signalisation pour véhicules ferroviaires Download PDF

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Publication number
EP1524168B1
EP1524168B1 EP04024496A EP04024496A EP1524168B1 EP 1524168 B1 EP1524168 B1 EP 1524168B1 EP 04024496 A EP04024496 A EP 04024496A EP 04024496 A EP04024496 A EP 04024496A EP 1524168 B1 EP1524168 B1 EP 1524168B1
Authority
EP
European Patent Office
Prior art keywords
light
reflector
emitting diode
signal
signal lamp
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.)
Expired - Fee Related
Application number
EP04024496A
Other languages
German (de)
English (en)
Other versions
EP1524168A1 (fr
Inventor
Werner Dipl.-Ing. Krause
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.)
Pintsch Bamag AG
Pintsch GmbH
Original Assignee
Pintsch Bamag AG
Pintsch Bamag Antriebs und Verkehrstechnik GmbH
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 Pintsch Bamag AG, Pintsch Bamag Antriebs und Verkehrstechnik GmbH filed Critical Pintsch Bamag AG
Priority to PL04024496T priority Critical patent/PL1524168T3/pl
Publication of EP1524168A1 publication Critical patent/EP1524168A1/fr
Application granted granted Critical
Publication of EP1524168B1 publication Critical patent/EP1524168B1/fr
Expired - Fee Related 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
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/02—Head or tail indicators, e.g. light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D29/00—Lighting
    • 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]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a signal light for rail vehicles with a reflector, at least one light source for emitting light of a first color, wherein the at least one light source is arranged in a focal point region of the reflector.
  • a signal light for rail vehicles is known, are arranged in the up to four lamps within a reflector. These lamps are designed as glow lamps. Light of different colors is realized by colored glass solenoids into which the lamps are inserted. With the signal light described two signal light colors, especially white and red, can be provided.
  • WO 02/36420 A1 discloses an arrangement of LEDs in a reflector.
  • a signal light for rail vehicles with a reflector at least one light source for emitting light of a first color, wherein the at least one light source is arranged in a focal point region of the reflector, provided in the outside of the focal point region in the reflector, a light-emitting diode for light a second color is provided which emits light in an angular range of at least 180 °.
  • the dimensions of the additional light source of a different color can be kept comparatively low and moreover, the emission of light in an angular range of at least 180 ° uniform illumination of a signal plate despite the arrangement of the light-emitting diode outside achieved the focal range of the reflector. It is thus possible to provide signal lights, which are already equipped with multiple illuminants, with an additional light-emitting diode, with which an additional signal color can be realized. Due to the small dimensions and the large radiation range of the inventively provided light-emitting diode, it can be arranged in the reflector so that the other signal functions of the signal light are not affected.
  • the light-emitting diode extends only slightly into the interior of the reflector compared to the lighting means.
  • the light-emitting diode radiates in an angular range of 220 °.
  • a signal disk for example a diffuser lens arranged in front of the reflector
  • uniform illumination of a signal disk for example a diffuser lens arranged in front of the reflector
  • the light-emitting diode only extends slightly into the interior of the reflector and, moreover, is arranged outside the focal point region.
  • the radiation in an angular range of 220 ° leads at least partially to a multiple reflection of the light in the reflector, so that a good light distribution can be achieved.
  • the light-emitting diode is arranged relative to an inner wall of the reflector such that the angular range in which the light-emitting diode emits light is symmetrical to an inner wall of the reflector in the region of the light-emitting diode.
  • the light is mainly emitted laterally.
  • this contributes to a uniform signal image, despite the fact that the light-emitting diode is arranged outside the focal point region.
  • the illuminant emits white light and at least one further illuminant for red light projecting into the interior of the reflector is provided.
  • at least one further illuminant for red light projecting into the interior of the reflector is provided.
  • an even further, projecting into the interior of the reflector bulbs for dimmed white light can be provided.
  • the invention provides a signal light is created, which can be used on the one hand as driving light headlights for white headlights, dimmed white headlights and red tail light.
  • a green signal light can optionally be provided by the light-emitting diode.
  • a signal light for rail vehicles with a housing, a reflector disposed in the housing, at least a first light source for white light of a first color, wherein the at least one first light source is disposed in a focal point region of the reflector, and a second provided in the interior of the reflector projecting light source for red light, is provided at the outside of the reflector on the housing at least one light-emitting diode with upstream optics for light with different from red and white color.
  • Fig. 1 shows a signal lamp 10 with a reflector 12 and arranged in front of the reflector lens 14.
  • a first incandescent lamp 16 is arranged, for example, a halogen incandescent lamp.
  • a second light bulb 18 is arranged, which, however, also protrudes in the direction of the focal point of the reflector.
  • the second light bulb 18 is provided for example for dimmed white driving light, the first bulb 16 for white driving light.
  • a third light bulb 20 is arranged in the reflector, which also extends in the direction of the focal point of the reflector in this.
  • the incandescent lamp 20 is inserted into a red-colored glass dome 22, so that when the third incandescent lamp 20 is switched on, a red light signal is generated.
  • a red so-called phantom light by illumination of the glass cap 22 with white light during operation of the first light bulb 16 or the second light bulb 18 is between the Glass dome 22 and the first light bulb 16 a Abschattblech 24 arranged.
  • a so-called side-emitting LED 26 is provided, which protrudes outside of the focal point region of the reflector 12 in this.
  • a heat sink 28 is provided at a, the reflector 12 remote from the rear side of the LED 26, a heat sink 28 is provided.
  • the LED 26 emits light in an angular range of 220 °, corresponding to +/- 110 °.
  • An associated intensity distribution over the emission angle is shown in FIG. 2, wherein the relative intensity in percent over the emission angle is shown in degrees. It can be seen that the emitted light intensity at +/- 80 ° is higher than at a beam angle of 0 degrees.
  • the radiated light intensity initially drops from 0 ° in order to pass through a local minimum at about 25 ° and then rises again to an angle of about 90 °. From 90 ° to about 110 ° beam angles, the emitted light intensity drops sharply.
  • the light emitted thereby is at least partially reflected a plurality of times at the reflector 12.
  • a uniform illumination of the lens 14 and thus a uniform signal image is achieved.
  • dashed lines in Fig. 1 several possible beam paths starting from the LED 26 are shown. It can be seen that light rays starting from the LED 26 are radiated backwards onto the reflector 12, are then reflected once or twice at the reflector and only then onto the diffusing screen 14 hit. In addition, light rays also reach the lens 14 without being reflected by the reflector 12. Overall, however, results not least due to the intensity distribution shown in FIG. 2, a uniform illumination of the lens 14 and thus a uniform signal image.
  • the signal light of FIG. 1 it should be noted that in the illustrated embodiment only one side-emitting diode 26 is arranged in the reflector. Since the arrangement of the LED 26 only slightly disturbs the other signal functions, however, a plurality of LEDs 26 can also be arranged in the reflector in order to realize, for example, a plurality of different signal colors.
  • An operating device for adjusting the operating voltage of the incandescent lamps 16, 18, 20 to the operating voltage required for the operation of the LED 26 may be integrated in a lamp housing.
  • a signal light 30 has a housing 32, in which two reflectors with associated lenses 34, 36 are arranged, which are provided for different signal functions, even with different signal colors.
  • 30 signal functions can be realized with white light and signal functions with red light with the signal light 30.
  • a light-emitting diode 38 with an optical system 40 arranged upstream is arranged in the housing 32.
  • the light-emitting diode 38 is shown only in dashed lines, since it is not visible in the plan view of FIG. 3 in and of itself.
  • the light-emitting diode 38 is advantageously designed as a high-power light-emitting diode and, as can be seen in FIG. 3, arranged between the two main reflectors 34, 36 and at the same time offset with respect to the center thereof upwards. In this area is between the two Reflectors 34, 36 in the housing 32 still room for the arrangement of the LED 38 and the upstream optics 40 available.
  • the housing 32 may be arranged an operating device for adjusting the operating voltage of the lighting means in the reflectors 34, 36 to the operating voltage required for the operation of the LED 38.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (8)

  1. Feu de signalisation pour véhicules ferroviaires avec un réflecteur (12), au moins une source lumineuse (16) émettant de la lumière d'une première couleur, sachant que cette source lumineuse présente au moins une fois (16) est placée dans une zone focale du réflecteur (12), caractérisé en ce qu'est prévue, en dehors de la zone focale dans le réflecteur, une diode (26) émettant une lumière d'une seconde couleur qui répand la lumière sur une zone angulaire d'au moins 180°.
  2. Feu de signalisation selon la revendication 1, caractérisé en ce que la diode émettant de la lumière (26) ne s'étend, en comparaison à la source lumineuse (16), que légèrement à l'intérieur du réflecteur (12).
  3. Feu de signalisation selon la revendication 1 ou 2, caractérisé en ce que la diode émettant de la lumière (26) répand cette lumière sur une zone angulaire de 220°.
  4. Feu de signalisation selon au moins une des revendications précédentes, caractérisé en ce que la diode émettant de la lumière (26) est disposée de telle manière par rapport à une paroi interne du réflecteur (12) que la zone angulaire sur laquelle la diode (26) répand la lumière, se trouve symétriquement par rapport à une paroi interne du réflecteur (12) dans la zone de la diode émettant de la lumière (26).
  5. Feu de signalisation selon au moins une des revendications précédentes, caractérisé en ce que, à l'intérieur de la zone angulaire sur laquelle la diode (26) répand la lumière, une intensité lumineuse à +/- 80° est plus importante que dans la zone des 0°.
  6. Feu de signalisation selon au moins une des revendications précédentes, caractérisé en ce que la source lumineuse (16) émet de la lumière blanche et qu'est prévue au moins une autre source lumineuse (20) pénétrant à l'intérieur du réflecteur (12) pour la lumière rouge.
  7. Feu de signalisation selon la revendication 6, caractérisé en ce qu'est prévue une source lumineuse supplémentaire (18) pénétrant à l'intérieur du réflecteur (12) pour produire la lumière blanche adoucie.
  8. Feu de signalisation selon une des revendications précédentes, caractérisé par un boîtier (32) contenant un réflecteur dans lequel sont disposées au moins une première source lumineuse permettant de produire de la lumière blanche d'une première couleur et une seconde source lumineuse pénétrant à l'intérieur du réflecteur et permettant de produire de la lumière rouge, sachant qu'est prévue, en dehors du réflecteur sur le boîtier (32), au moins une diode émettant de la lumière (38) avec optique en amont (40) pour la lumière de couleur dérivant du rouge et du blanc.
EP04024496A 2003-10-15 2004-10-14 Feu de signalisation pour véhicules ferroviaires Expired - Fee Related EP1524168B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04024496T PL1524168T3 (pl) 2003-10-15 2004-10-14 Lampa sygnalizacyjna dla pojazdów szynowych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20316143U 2003-10-15
DE20316143U DE20316143U1 (de) 2003-10-15 2003-10-15 Signalleuchte für Schienenfahrzeuge

Publications (2)

Publication Number Publication Date
EP1524168A1 EP1524168A1 (fr) 2005-04-20
EP1524168B1 true EP1524168B1 (fr) 2006-08-30

Family

ID=30010927

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04024496A Expired - Fee Related EP1524168B1 (fr) 2003-10-15 2004-10-14 Feu de signalisation pour véhicules ferroviaires

Country Status (4)

Country Link
EP (1) EP1524168B1 (fr)
DE (2) DE20316143U1 (fr)
ES (1) ES2271758T3 (fr)
PL (1) PL1524168T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1544074B1 (fr) * 2003-12-17 2006-11-02 Pintsch Bamag Antriebs- und Verkehrstechnik GmbH Phare et feu de signalisation pour véhicule ferroviaire.
DE102009052321B4 (de) * 2009-11-07 2020-06-18 Volkswagen Ag Kraftfahrzeug-Beleuchtungseinrichtung
JP5948174B2 (ja) * 2012-07-23 2016-07-06 株式会社小糸製作所 鉄道車両用灯具
FR3079017B1 (fr) * 2018-03-19 2021-11-05 M F I Lanterne pour train

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ297169B6 (cs) * 1999-08-19 2006-09-13 Autopal, S. R. O. Signální svítilna s LED zdroji svetla
WO2002036420A1 (fr) * 2000-10-18 2002-05-10 Ajg Industrie-Batterien Gmbh Geschäftsführer Jürgen Gräfke Reflecteur de phare commutable a diodes electroluminescentes
DE20211647U1 (de) * 2002-07-23 2002-09-26 Pintsch Bamag Ag Signalleuchte und Leuchtenanordnung für Schienenfahrzeuge
DE10239838B4 (de) * 2002-08-29 2010-11-18 Volkswagen Ag Beleuchtungseinrichtung für ein Fahrzeug
JP2004192978A (ja) * 2002-12-12 2004-07-08 Koito Mfg Co Ltd 車両用前照灯

Also Published As

Publication number Publication date
PL1524168T3 (pl) 2007-02-28
DE502004001327D1 (de) 2006-10-12
EP1524168A1 (fr) 2005-04-20
DE20316143U1 (de) 2003-12-24
ES2271758T3 (es) 2007-04-16

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