EP3021040B1 - Module de lumiere comprenant une plaque de support reglable pour moyen eclairage et procede de reglage de la plaque de support - Google Patents

Module de lumiere comprenant une plaque de support reglable pour moyen eclairage et procede de reglage de la plaque de support Download PDF

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Publication number
EP3021040B1
EP3021040B1 EP15194298.4A EP15194298A EP3021040B1 EP 3021040 B1 EP3021040 B1 EP 3021040B1 EP 15194298 A EP15194298 A EP 15194298A EP 3021040 B1 EP3021040 B1 EP 3021040B1
Authority
EP
European Patent Office
Prior art keywords
reflector
carrier plate
support plate
relative
adjusting
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
EP15194298.4A
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German (de)
English (en)
Other versions
EP3021040A1 (fr
Inventor
Alexander Bauder
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.)
Hella GmbH and Co KGaA
Original Assignee
Hella KGaA Huek and Co
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
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Application filed by Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Publication of EP3021040A1 publication Critical patent/EP3021040A1/fr
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Publication of EP3021040B1 publication Critical patent/EP3021040B1/fr
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Classifications

    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • 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
    • F21S41/19—Attachment of light sources or lamp holders
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/39—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
    • 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
    • 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 present invention relates to a light assembly with a heat sink, with a support plate for receiving at least one light source and with a reflector, in which a light can be generated by the illuminant can be irradiated, wherein the support plate and the reflector are arranged one above the other on the heat sink.
  • the invention further relates to a method for adjusting the support plate relative to the reflector of the light assembly.
  • a light assembly having a heat sink, with a support plate for receiving at least one light source with LEDs and a reflector known, in which a light can be generated by the illuminant is einstrahlbar, wherein the support plate and the reflector are arranged one above the other on the heat sink.
  • the support plate For positioning of the support plate relative to the reflector attachment means are provided, and the support plate can be guided against the abutment means to achieve a defined position of the lamps relative to the reflector.
  • the heat sink is located as a receiving means for the support plate between the support plate and the reflector, so that a precise adjustment of the light source for irradiation in the reflector relative to this is possible only with difficulty.
  • the US 7,985,014 B2 shows a light assembly with a heat sink and with a support plate on which LED bulbs are applied, and the support plate can be adjusted via screw on the heat sink or on a holding element on the heat sink.
  • an adjustment with screw elements may not be sufficient, since the bulbs must be adjusted not only in their tilt position for Einjustage to the reflector, but it is often necessary a planar movement of the light source or the support plate perpendicular to the main light axis.
  • the US 8,100,570 B2 shows a light assembly with adjustment means based on eccentric elements, and for Einjustage the support plate relative to an optical element, in the present case a lens, the eccentric elements must be helically twisted. Even so, a planar adjustment of the LED lamps shown relative to the optical element is not very accurate.
  • the object of the invention is the development of a light assembly, which allows an extended adjustment of the light source relative to the reflector.
  • at least one light source is to be set in an adjustment plane in at least one direction relative to the reflector.
  • the setting should be made manually or with a Einstellmanipulator.
  • the invention provides that the support plate in the composite between the heat sink and the reflector is pivotally received about an adjustment axis, and wherein the support plate has a Verstellanformung over which in the support plate a pivoting movement about the alignment axis can be introduced to to adjust the position of the light source to the reflector.
  • the invention is based on the idea to bring the light assembly at least with the heat sink, the support plate and the reflector in a preassembled arrangement in which, however, the support plate remains movable at least in its extension plane.
  • the light assembly may have a screw connection or the light assembly is held in a device via the heat sink and the reflector, and in the pre-assembled state, the support plate is movably disposed between the heat sink and the reflector. If the support plate about the Verstellanformung example, manually or with a Einstellmanipulator pivoted about the adjustment axis or, in other words, twisted, so the recorded on the support plate lamps moves relative to the reflector so that it can be adjusted.
  • the pivotal movement may be carried out until the illuminant reaches the desired, i. has adjusted position relative to the reflector, so that the lighting means optimally adjusted to the light-active surfaces of the reflector, in particular is focused. Subsequently, for example, a screw connection between the heat sink, support plate and reflector can be used or this can be finally tightened after a slight, temporary bias to perform the adjustment.
  • the luminous means can be formed from an LED or from a laser, or the luminous means can comprise a plurality of LEDs.
  • the carrier plate may be, for example, a printed circuit board on which one or more light sources are accommodated, and the reflector may comprise a reflector base which, like the heat sink, has a plane surface. Between the two planar surfaces, the support plate can be sandwiched and moved in the lateral direction.
  • the Verstellanformung can be designed so that it protrudes between the heat sink and the reflector, so that the Verstellanformung can be recorded manually or with a Einstellmanipulator.
  • the Verstellanformung is in the greatest possible distance to the adjustment axis, wherein the light source in arrangement on the support plate as possible having a small distance to the adjustment axis.
  • the Verstellanformung can be made in one piece with the support plate, for example by a corresponding contouring, so that the Verstellanformung protrudes from the gap between the heat sink and the reflector base.
  • a Justagezapfen is arranged, which extends around the alignment axis and wherein the support plate surrounds the Justagezapfen with a receiving formation at least partially.
  • the receiving formation may be incorporated in the outer contour of the carrier plate, for example in the form of a semicircular, inwardly facing contour section of the carrier plate.
  • a bore can be introduced into the carrier plate, and if the carrier plate is arranged on the heat sink or on the reflector, then the adjustment pin can be guided through the bore.
  • the adjustment pin may have, at least in sections, a circular outer circumferential surface which extends around the adjustment axis.
  • the receiving formation travels around the outer circumferential surface of the adjustment journal, and the receiving formation forms a joint arrangement with the alignment pin.
  • a pin may be passed through the support plate, which extends into a bore in the heat sink and / or in the reflector and also forms a hinge assembly.
  • the Verstellanformung may have a distance fordoceanformung and thus to the adjustment axis, which is a multiple of the distance of the recorded on the support plate light source foravieanformung.
  • the Verstellanformung forduseanformung have a distance which is 5 times, preferably 8 times, and particularly preferably 10 times the distance of the recorded on the support plate light source for excanformung.
  • the Verstellanformung must be generated at a required adjustment path of the lamp in a lateral direction relative to the reflector already by 10 times the simple adjustment path of the lamp.
  • the leverage between the Verstellanformung and the alignment axis can bring advantages, since either the manual operation or handling a Einstellmanipulator must have an easier-to-implement only low accuracy.
  • the Einjust Schlieren the light bulb relative to the reflector can be carried out under a lighting of the light source, so that via an optical image recognition and a single manipulator, such as a gripper robotic type, the adjustment takes place until the light source is optimally adjusted relative to the reflector. Subsequently, the light assembly can be completely assembled.
  • a screw can be provided, with which the carrier plate and the reflector are screwed to the heat sink.
  • the screw can be passed through an opening in the support plate, and for example, the screw can be with a screw head in the reflector base and with a threaded part, the screw can be screwed into the heat sink, the arrangement of the screw can also be done from the other direction, and the screw can sit or rest with a screw head in the heat sink and a threaded shaft of the screw is screwed in the reflector.
  • means may be provided which allows a connection of the reflector, the heat sink and the support plate torque-free or there may be a rivet connection, an adhesive connection, a press connection by pressing together of the components or a welded connection.
  • the light assembly may be provided between the heat sink and the reflector fixing means by which the arrangement of the reflector on the heat sink is fixed, in particular during a pivoting movement of the support plate to the alignment axis.
  • the fixing means can be embodied, for example, in the form of pins or domes in the heat sink or in the reflector, which extend into opposite receptacles of the pins or domes in the heat sink or in the reflector. This prevents that during a pivoting movement of the carrier plate, a change in position of the reflector takes place relative to the heat sink.
  • the fixing means are arranged so that the pivoting movement of the support plate is not hindered.
  • the invention is further directed to a method for adjusting a carrier plate relative to a reflector of a light assembly, wherein the carrier plate and the reflector are accommodated on a heat sink, and wherein the method comprises at least the following steps: providing the carrier plate with a Verstellanformung, providing a Justagezapfens, pivotable arranging the support plate on the adjustment pin and pivoting of the support plate to the Justagezapfen to adjust the position of the bulb to the reflector.
  • the method is carried out in particular in connection with an optical light image recognition, and the at least one light source can be operated during this, so that the light irradiated by the light source in the reflector is evaluated via the optical light image recognition.
  • the pivoting movement can be made manually or by means of a setting manipulator via the adjustment molding, and the pivoting movement is continued until an optimum position of the lighting means relative to the reflector is achieved.
  • the carrier plate remains movable between the reflector and the heat sink until the ideal position of the carrier plate is found. Subsequently, a screw can be provided, with which the support plate and the reflector are firmly screwed to the heat sink. Subsequently, the light assembly is ready for use and can in the housing a headlamp for a vehicle to be installed.
  • the adjustment process can be used for each light assembly and the light assembly can for example be used to produce a low beam, in which an accurate adjustment of the light bulb relative to the reflector is particularly important.
  • the Fig. 1 and 2 show in an exploded view and in a mounted representation of a light assembly 1 with a heat sink 10, with a support plate 11 for receiving at least one light source 12 and a reflector 13.
  • Light which is generated by the light emitting means 12, can radiate into the reflector 13, and the light may for example form part of a low beam of a headlamp. Other lighting functions are also conceivable.
  • the light-emitting means 12 is accommodated on the carrier plate 11, and the carrier plate 11 is designed as a printed circuit board, via which the lamp 12 can be energized, furthermore, the carrier plate 11 can dissipate the heat generated during operation of the lamp 12 via the heat sink 10.
  • a screw 18 For mounting the reflector 13 on the heat sink 10 with the carrier plate 11 arranged therebetween is a screw 18, and the screw 18 is, for example, from the side of the reflector 13th passed through corresponding mounting holes and bolted in the heat sink 10. A screwing in a reverse arrangement is also possible.
  • a Justagezapfen 16 is formed and points in the direction of arranged on the heat sink 10 support plate 11.
  • a receiving Anformung 17 is formed, and in the arrangement of the support plate 11 on the heat sink 10, see in particular Fig. 2 , the receiving formation 17 surrounds the adjustment pin 16.
  • the support plate 11 can still be pivoted about the alignment axis 14 in the double arrow direction shown so can be generated by an introduction of force in a Verstellanformung 15 on the support plate 11, a pivoting movement of the support plate 11 about the adjustment axis 14 ,
  • the luminous means 12 also changes its position relative to the reflector 13 on the carrier plate 11, so that a manipulation of the carrier plate 11 can result in an introduction of force into the adjusting formation 15, an adjustment of the illuminant 12 relative to the reflector 13.
  • the collar 21 is formed around the Einschraubbohrung for screwing the screw 18 on the heat sink 10 around and thus provides a stop geometry, by which the pivoting movement of the support plate 11 is limited to the heat sink 10.
  • the receiving Anformung 17 slides around the outer peripheral surface of the adjusting pin 16 around.
  • the screw member 18 penetrates the support plate 11 in the region of an opening 20, wherein the opening 20 in the support plate 11 is configured so that the screw 18 does not affect the mobility of the support plate 11 about the adjustment axis 14.
  • a projecting collar 21 is formed on the heat sink 10, wherein the collar 21 can extend through the opening 20 in the support plate 11 with it.
  • the collar 21 is formed around the Einschraubbohrung for screwing the screw 18 on the heat sink 10 around and thus provides a stop geometry, by which the pivoting movement of the support plate 11 is limited to the heat sink 10.
  • fixing means 19 are further indicated, which allow in conjunction with the reflector 13, not shown, a rigid position of the reflector 13 relative to the heat sink 10.
  • the distance between the luminous means 12 on the support plate 11 relative to the adjustment axis 14 is approximately 10 times smaller than the distance of Verstellanformung 15 relative to the adjustment axis 14 by the lamp 12 is disposed adjacent to theracanformung 17 on the support plate 11. If the Verstellanformung 15 adjusted, so can already lead to a coarse pivoting movement of the support plate 11 to the adjustment axis 14 to a fine adjustment of the bulb 12.
  • the support plate 11 to pivot about the adjustment axis 14 by a comparatively coarse adjustment in the Verstellanformung 15 is initiated, but this can lead to a fine adjustment movement of the bulb 12 relative to the reflector 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Claims (9)

  1. Module lumineux (1) avec un corps de refroidissement (10), avec une plaque support (11) pour le logement d'au moins un moyen d'éclairage (12) et avec un réflecteur (13) dans lequel une lumière étant générée par le moyen d'éclairage (12) peut être émise, la plaque support (11) et le réflecteur (13) étant disposés de manière superposée, sur le corps de refroidissement (10),
    caractérisé en ce que
    la plaque support (11) est logée de manière pivotante dans la liaison entre le corps de refroidissement (10) et le réflecteur (13) autour d'un axe d'ajustage (14) et la plaque support (11) présentant un ajustage moulé (15) par lequel un mouvement de pivotement autour de l'axe d'ajustage (14) peut être introduit dans la plaque support (11) pour ajuster la position du moyen d'éclairage (12) par rapport au réflecteur (13).
  2. Module lumineux (1) selon la revendication 1, caractérisé en ce qu'un tenon d'ajustage (16) est disposé sur le corps de refroidissement (10) ou sur le réflecteur (13) qui s'étend autour de l'axe d'ajustage (14) et la plaque support (11) entourant au moins partiellement le tenon d'ajustage (16) avec un logement moulé (17).
  3. Module lumineux (1) selon la revendication 1 ou 2, caractérisé en ce que l'ajustage moulé (15) présente une distance par rapport au logement moulé (17) qui s'élève à un multiple de la distance du moyen d'éclairage (12) logé sur la plaque support (11) par rapport au logement moulé (17).
  4. Module lumineux (1) selon l'une des revendications 1 à 3, caractérisé en ce que l'ajustage moulé (15) présente une distance par rapport au logement moulé (17) qui s'élève à cinq fois, de préférence huit fois et notamment de préférence dix fois la distance du moyen d'éclairage (12) logé sur la plaque support (11) par rapport au logement moulé (17).
  5. Module lumineux (1) selon l'une des revendications précédentes, caractérisé en ce qu'un élément à vis (18) est prévu avec lequel la plaque support (11) et le réflecteur (13) peuvent être vissés sur le corps de refroidissement (10).
  6. Module lumineux (1) selon l'une des revendications 3 à 5, caractérisé en ce que des moyens de fixation (19) sont prévus entre le corps de refroidissement (10) et le réflecteur (13) par lesquels la disposition du réflecteur (13) sur le corps de refroidissement (10) reste invariable, surtout pendant un mouvement de pivotement de la plaque support (11) autour de l'axe d'ajustage (14).
  7. Procédé pour l'ajustage d'une plaque support (11) par rapport à un réflecteur (13) d'un module lumineux (1), la plaque support (11) et le réflecteur (13) étant logés sur un corps de refroidissement (10) et le procédé présentant au moins les étapes suivantes :
    - mise à disposition de la plaque support (11) avec un ajustage moulé (15),
    - mise à disposition d'un tenon d'ajustage (16),
    - disposition à pivotement de la plaque support (11) sur le tenon d'ajustage (16),
    et
    - pivotement de la plaque support (11) autour du tenon d'ajustage (16) pour ajuster la position du moyen d'éclairage (12) par rapport au réflecteur (13).
  8. Procédé selon la revendication 7, caractérisé en ce que le moyen d'éclairage (12) fonctionne lors du pivotement de la plaque support (11) autour du tenon d'ajustage (16) et que le pivotement est réalisé en utilisant une reconnaissance optique de l'image de la lumière.
  9. Procédé selon l'une des revendications 7 ou 8, caractérisé en ce que qu'un élément à vis (18) est prévu avec lequel la plaque support (11) et le réflecteur (13) sont vissés sur le corps de refroidissement (10) lorsqu'un ajustage du moyen d'éclairage (12) par rapport au réflecteur (13) est terminé par le pivotement.
EP15194298.4A 2014-11-14 2015-11-12 Module de lumiere comprenant une plaque de support reglable pour moyen eclairage et procede de reglage de la plaque de support Active EP3021040B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014116683 2014-11-14

Publications (2)

Publication Number Publication Date
EP3021040A1 EP3021040A1 (fr) 2016-05-18
EP3021040B1 true EP3021040B1 (fr) 2017-05-17

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Application Number Title Priority Date Filing Date
EP15194298.4A Active EP3021040B1 (fr) 2014-11-14 2015-11-12 Module de lumiere comprenant une plaque de support reglable pour moyen eclairage et procede de reglage de la plaque de support

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3056683B1 (fr) * 2016-09-26 2019-04-05 Valeo Vision Module lumineux, notamment d'eclairage et/ou de signalisation pour vehicule automobile
DE102017104841A1 (de) * 2017-03-08 2018-09-13 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge sowie Montageverfahren
FR3065053B1 (fr) * 2017-04-07 2019-10-11 Valeo Vision Module lumineux pour vehicule automobile comportant une source lumineuse a semi-conducteur
DE102017110455A1 (de) * 2017-05-15 2018-11-15 HELLA GmbH & Co. KGaA Verfahren zur Montage eines Lichtmoduls für eine Beleuchtungseinrichtung
DE102018105753A1 (de) * 2018-03-13 2019-09-19 Automotive Lighting Reutlingen Gmbh Fahrzeugscheinwerfer
WO2020108775A1 (fr) * 2018-11-30 2020-06-04 HELLA GmbH & Co. KGaA Dispositif optique et élément optique pour un véhicule et véhicule
EP4328483A1 (fr) * 2022-08-25 2024-02-28 ZKW Group GmbH Procédé d'assemblage automatisé d'un module d'éclairage pour un phare de véhicule automobile

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10258624B3 (de) * 2002-12-16 2004-07-15 Daimlerchrysler Ag Scheinwerfereinheit für ein Kraftfahrzeug
US8100570B2 (en) 2008-06-04 2012-01-24 Hella Kgaa Hueck & Co. LED lens mounting device
JP5297708B2 (ja) * 2008-07-08 2013-09-25 株式会社小糸製作所 光源モジュール
DE102010048594B4 (de) 2010-10-15 2021-02-25 HELLA GmbH & Co. KGaA Scheinwerfer für ein Fahrzeug mit einem LED-Hauptlichtmodul
US20130215635A1 (en) * 2012-02-22 2013-08-22 Osram Sylvania Inc. Automotive headlamp having a beam changing assembly
DE102012106313B4 (de) * 2012-07-13 2022-06-09 HELLA GmbH & Co. KGaA Modulbaugruppe mit justierbaren Halbleiterlichtmodulen für einen Scheinwerfer und Verfahren zur Justierung
AT514048A1 (de) * 2013-03-13 2014-09-15 Zizala Lichtsysteme Gmbh Lichtmodul für einen Fahrzeugscheinwerfer

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