EP3141803B1 - Leuchtmodul zur beleuchtung und/oder signalisierung für kraftfahrzeug - Google Patents

Leuchtmodul zur beleuchtung und/oder signalisierung für kraftfahrzeug Download PDF

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Publication number
EP3141803B1
EP3141803B1 EP16187038.1A EP16187038A EP3141803B1 EP 3141803 B1 EP3141803 B1 EP 3141803B1 EP 16187038 A EP16187038 A EP 16187038A EP 3141803 B1 EP3141803 B1 EP 3141803B1
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EP
European Patent Office
Prior art keywords
cover
light
light module
emitting assembly
edge
Prior art date
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Active
Application number
EP16187038.1A
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English (en)
French (fr)
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EP3141803A1 (de
Inventor
Brahim Elhachir
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.)
Valeo Vision SAS
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Valeo Vision SAS
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Publication date
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Publication of EP3141803A1 publication Critical patent/EP3141803A1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/47—Attachment thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • 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
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
    • F21W2102/18—Arrangement or contour of the emitted light for regions other than high beam or low beam for overhead signs

Definitions

  • Such a cover is, for example, conventionally used to modify the light beam emitted by a headlight of a vehicle when the latter is traveling on a two-way road, in particular in order to limit dazzling for the drivers of vehicles traveling in reverse.
  • This function is known by the English term "Low Beam” (LB) and it corresponds to the traffic conditions in which the vehicle uses its low beam headlights.
  • the cover 6 is placed in such a way that its cutting edge 18 is located in the vicinity of the second focus of the ellipse formed by the reflector 3, and it is also located in the vicinity of the focus of the means of focus.
  • This cutting edge 18 intercepts part of the light rays resulting from the reflection, by the elliptical reflector 3, of the rays emitted by the light emitting assembly 2, as shown in figure 2 .
  • the cover thus creates a horizontal cut-off in the beam and the concentration of the rays under this cut-off to produce the beam corresponding to the “low beam” mode.
  • the actuator is attached to the side of the upper face of the base, opposite to what was described for the first embodiment.
  • one or other of the solutions can be chosen, as long as we are careful not to hinder the propagation of the rays.

Claims (10)

  1. Leuchtmodul (1) zur Beleuchtung und/oder Signalisierung eines Kraftfahrzeugs, das mindestens eine Lichtemittereinheit (2), einen elliptischen Reflektor (3), von dem ein erster Brennpunkt sich in der Nähe der Lichtemittereinheit (2) befindet, konvergierende optische Einrichtungen (4) zur Fokussierung des emittierten Strahls, von denen eine Fokalebene in der Nähe des zweiten Brennpunkts des elliptischen Reflektors (3) verläuft, und ein Gehäuse (7) aufweist, in dem die Lichtemittereinheit (2), der elliptische Reflektor (3) und die konvergierenden Fokussiereinrichtungen (4) aufgenommen werden, wobei das Leuchtmodul außerdem eine Abdeckung (6) aufweist, die auf der optischen Achse (8) des Leuchtmoduls zwischen dem elliptischen Reflektor (3) und den konvergierenden Fokussiereinrichtungen (4) eingefügt ist, so dass ein Begrenzungsrand (18) der Abdeckung (6) einen Teil der von der Lichtemittereinheit (2) emittierten und von einer ersten Reflexion durch den elliptischen Reflektor (3) kommenden Strahlen auffängt, wobei die Abdeckung (6) innerhalb des Gehäuses (7) befestigt ist, wobei das Leuchtmodul (D) Verformungseinrichtungen (24) der Abdeckung (6) aufweist, um die Position des Begrenzungsrands (18) bezüglich der Lichtemittereinheit (2) und des elliptischen Reflektors (3) zu verändern,
    dadurch gekennzeichnet, dass das Leuchtmodul (1) eine Basis (9) aufweist, auf die die Lichtemittereinheit (2) und verschiedene Steuerelemente von dieser montiert sind, und dass die Abdeckung (6) aus einer Platte besteht, die sich im Wesentlichen parallel zur Basis (9), im Wesentlichen waagrecht erstreckt.
  2. Leuchtmodul (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Abdeckung eine zentrale Reflexionszone (10) und Endzonen (12) aufweist, die sich zu beiden Seiten der zentralen Zone erstrecken.
  3. Leuchtmodul (1) nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Verformungseinrichtungen (24) auf einen hinteren Rand (17) der Abdeckung (6) entgegengesetzt zum Begrenzungsrand (18) einwirken.
  4. Leuchtmodul (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Einwirkung der Verformungseinrichtungen (24) auf die Abdeckung (6) sich durch eine leichte Translations- oder Drehverschiebung mindestens eines Teils des Begrenzungsrands (18) äußert.
  5. Leuchtmodul (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verformungseinrichtungen (24) an der Basis (9) befestigt sind, auf die mindestens die Lichtemittereinheit (2) montiert ist.
  6. Leuchtmodul (1) nach dem einen oder anderen der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Verformungseinrichtungen (24) von einem Stellantrieb (26) gesteuert werden, der einen Schieber (28) steuert.
  7. Leuchtmodul (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Verformungseinrichtungen (24) auf den hinteren Rand (17) der Abdeckung (6) in einer Richtung im Wesentlichen parallel zur optischen Achse einwirken.
  8. Leuchtmodul (1) nach Anspruch 6, dadurch gekennzeichnet, dass die Verformungseinrichtungen (24) auf den hinteren Rand (17) der Abdeckung (6) in einer Richtung im Wesentlichen lotrecht zur optischen Achse in entgegengesetzter Richtung zur gewünschten Verschiebung des Begrenzungsrands einwirken.
  9. Leuchtmodul (1) nach dem einen oder anderen der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Verformungseinrichtungen (24) einen piezoelektrischen Stellantrieb (30) aufweisen.
  10. Leuchtmodul (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der piezoelektrische Stellantrieb (30) zumindest teilweise von der Abdeckung (6) getragen wird.
EP16187038.1A 2015-09-10 2016-09-02 Leuchtmodul zur beleuchtung und/oder signalisierung für kraftfahrzeug Active EP3141803B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1558387A FR3041069B1 (fr) 2015-09-10 2015-09-10 Module lumineux pour l'eclairage et/ou la signalisation d'un vehicule automobile

Publications (2)

Publication Number Publication Date
EP3141803A1 EP3141803A1 (de) 2017-03-15
EP3141803B1 true EP3141803B1 (de) 2023-09-27

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ID=54979718

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Application Number Title Priority Date Filing Date
EP16187038.1A Active EP3141803B1 (de) 2015-09-10 2016-09-02 Leuchtmodul zur beleuchtung und/oder signalisierung für kraftfahrzeug

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EP (1) EP3141803B1 (de)
FR (1) FR3041069B1 (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203857379U (zh) * 2014-05-21 2014-10-01 天津方合科技发展有限公司 远近光一体双光源的透镜式汽车前照灯光学模组

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19908642A1 (de) * 1999-02-27 2000-12-21 Hella Kg Hueck & Co Scheinwerfer für Fahrzeuge
FR2796449B1 (fr) 1999-07-13 2001-08-17 Valeo Vision Projecteur pour vehicule automobile avec un cache a multipositions
FR2847655B1 (fr) 2002-11-21 2005-03-04 Valeo Vision Projecteur elliptique pour vehicule automobile emettant des faisceaux d'eclairage differents
FR2942024B1 (fr) * 2009-02-10 2012-08-03 Peugeot Citroen Automobiles Sa Dispositif d'occultation pour un module de projection
JP5953665B2 (ja) * 2011-07-26 2016-07-20 市光工業株式会社 車両用前照灯
FR2996281A1 (fr) * 2012-10-01 2014-04-04 Valeo Vision Dispositif d'actionnement d'un element optique d'un dispositif d'eclairage et/ou de signalisation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203857379U (zh) * 2014-05-21 2014-10-01 天津方合科技发展有限公司 远近光一体双光源的透镜式汽车前照灯光学模组

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Publication number Publication date
FR3041069B1 (fr) 2018-08-17
EP3141803A1 (de) 2017-03-15
FR3041069A1 (fr) 2017-03-17

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