EP2846079A1 - Leuchtmodul für Beleuchtungs- und/oder Signalisierungsvorrichtung - Google Patents

Leuchtmodul für Beleuchtungs- und/oder Signalisierungsvorrichtung Download PDF

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Publication number
EP2846079A1
EP2846079A1 EP20140183832 EP14183832A EP2846079A1 EP 2846079 A1 EP2846079 A1 EP 2846079A1 EP 20140183832 EP20140183832 EP 20140183832 EP 14183832 A EP14183832 A EP 14183832A EP 2846079 A1 EP2846079 A1 EP 2846079A1
Authority
EP
European Patent Office
Prior art keywords
seat
radiator body
wall
tongue
light module
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
EP20140183832
Other languages
English (en)
French (fr)
Other versions
EP2846079B1 (de
Inventor
Eric Mornet
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
Original Assignee
Valeo Vision SAS
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Filing date
Publication date
Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP2846079A1 publication Critical patent/EP2846079A1/de
Application granted granted Critical
Publication of EP2846079B1 publication Critical patent/EP2846079B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • F21S41/10—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
    • 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
    • F21S45/49—Attachment of the cooling means

Definitions

  • the present invention relates to a light module comprising a light source associated with a radiator fixed on a reflector, the radiator being disposed in contact with the light source for the dissipation of the radiation heat emitted by the latter during its activation.
  • the light source is disposed substantially at the focal point of the reflector, this reflector being formed by a plurality of sectors, each being of paraboloidal shape.
  • the light source advantageously comprises at least one light emitting diode.
  • the light-emitting diode is generally carried directly by a printed circuit connected to a source of energy and control means, in particular external of the light-emitting diode.
  • the positioning of the light source with respect to the first focus of the reflector is an operation that requires significant precision, often achieved with the aid of several screws.
  • a light module comprising a light source carried by a radiator body fixed on a seat provided on a reflector.
  • the seat comprises a surface for receiving an outer face of the radiator body with the light source, and a referencing wall extending substantially perpendicularly to the receiving surface by cooperating with a support wall provided on the body of the radiator. radiator.
  • the referencing wall extends substantially perpendicular to the outer face of the radiator body whose support wall is connected to the referencing wall of the seat by fastening means applying them against each other for the positioning of the light source relative to the reflector.
  • the seat provided thereon further comprises guiding and indexing means used during assembly of the radiator body carrying the light source on the seat of the radiator. reflector.
  • the fixing means of the radiator body on the reflector comprise at least one fastener, generally a screw.
  • An object of the invention is to propose a light module in which the positioning of the light source on the reflector is without play, in order to avoid tolerances that are detrimental to the optical performance of the module, and whose position of this source of light light is guaranteed both during assembly and during use of the light module in a lighting and / or signaling device.
  • Another object of the invention is to propose an easy assembly of the radiator-light source assembly on the reflector.
  • An object of the invention is a light module for a lighting and / or signaling device, in which a light source is mounted on a radiator body, and in which a reflector is provided with a seat for fixing of the radiator body on the reflector, said seat having a receiving surface and a referencing wall of which at least a portion extends substantially perpendicular to said receiving surface, a bearing wall being provided at one end of the radiator body , at least one part of the support wall extending substantially perpendicular thereto, said support wall of the radiator body being fixed to said referencing wall of the seat by fixing means, characterized in that said support wall the radiator body is extended by a tongue held in abutment against an inclined surface of said referencing wall of the seat.
  • the fixing means apply, at least partially, the bearing wall against the referencing wall, so as to ensure the referencing of the light source relative to the reflector in a predetermined position.
  • the tab bears against the inclined surface, then is held against this inclined surface by means of fasteners so as to press the radiator body against said receiving surface of the seat of the reflector. Thanks to the invention, it is thus possible to ensure isostatic positioning of the light source relative to the reflector during assembly and use of the light module.
  • the tongue may be inclined relative to the support wall, that is to say that the support wall and the tongue form a non-zero angle.
  • Another object of the invention is a lighting and / or signaling device comprising a light module according to the invention.
  • the figure 1 shows in a partial perspective view of a reflector 1 of a light module according to the invention.
  • the reflector has a reflective surface 2 surmounted by an L 3 seat adapted to receive a radiator 4 on which is fixed a support 5 of a light source 6 (see figure 3 ).
  • the seat L 3 is composed of a receiving surface 7 of an outer face of the radiator 4 with the support 5 of the light source 6, and a referencing wall 8 extending substantially perpendicularly to the surface of the 7.
  • the referencing wall 8 serves to position the radiator 4 and therefore also the support 5 with the light source 6 relative to the reflector.
  • the referencing wall 8 is adapted to cooperate with a support wall 9 disposed at one end of the radiator 4 extending substantially perpendicular to the outer face thereof.
  • the radiator 4 comprises a radiator body 10 formed by a generally rectangular plate to which fins 11 are connected so as to extend on either side of the plate 10. In order not to project on the sides, all the fins 11 are folded by 90 ° in the same direction, on the one hand and on the other. other of the radiator body 10.
  • the light source 6 is a light emitting diode and its support 5 is a printed circuit.
  • This circuit is on a front edge provided with two generally semicircular recesses 12 which during assembly of the radiator body to the reflector cooperate with two projection projections 13 provided on the referencing wall 8 of the seat 3 of the reflector 1 and having a complementary rounded shape.
  • the radiator body 10 has immediately before the support wall 9 a recess 14 forming a housing for an electrical connector 15 disposed on the printed circuit 5 and providing the control and power supply connections of the light module.
  • the support wall 9 of the radiator 4 is simply an extension of the rectangular plate 10 bent 90 ° with respect thereto and forms with two lateral wings 16 bent 90 ° with respect to the support wall a conformation in U, seen from above.
  • these two lateral wings will be placed on either side of the referencing wall 8 to act as guide means.
  • the side wings 16 further contribute to the dissipation of heat.
  • the printed circuit 5 is during assembly of the radiator 4 on the reflector 1 guided in a central groove 17 in the receiving surface 7 of the seat 3.
  • the central groove 17 has substantially the same width as that of the circuit, increased by a slight clearance allowing the circuit to slide in the central groove 17 during assembly.
  • pins 18 are provided on the outer face of the printed circuit to cooperate with holes (not shown) provided on the receiving surface 7 of the seat 3.
  • the radiator 4 is fixed on the seat 3 of the reflector 1 by fixing means.
  • these fastening means comprise a fixing hole 19 provided for the referencing wall 8 of the seat 3.
  • This fixing hole 19 must be aligned with an attachment hole 20 provided in said support wall 9 of the radiator 4 in order to receive a fixing member in the form of a screw 21 (see figure 7 ) for fixing the radiator 4 on the seat 3 of the reflector 1.
  • the support wall 9 of the radiator 4 is under the effect of screwing the screw 21 close to the referencing wall 8 until the wall is firmly pressed against it. In this position, the light source must be correctly positioned relative to the reflector.
  • the support wall 9 of the radiator 4 is extended by a tongue inclined at the rear 22 and adapted to come, during assembly, bearing against an inclined surface 23 at one end of the referencing wall 8 of the seat 3 of the reflector 1 so as to press the outer face of the radiator body 10 against the receiving surface 7 seat 3 on the reflector 1.
  • the support wall 9 of the radiator body 10 is able to deform during the support of the tongue 22 against the inclined surface 23 of the referencing wall 8 during assembly. of the module.
  • the rigidity of the seat 3 and more particularly of the inclined surface 23 is greater than the rigidity of the radiator body 10 and more particularly of the tongue 22. In this way, when the tongue 22 bears against the inclined surface 23 it is the tongue 22 which will deform and not the inclined surface 23 so as to ensure the retention in position of the light source 6.
  • the seat 3 comprises stiffening means 29 in the form of two stiffening ribs 29, disposed on either side of the sides of the referencing wall 8 and whose thickness is greater than that of the rest of the wall 8.
  • the radiator body 10 comprises a softening means 30 in the form of a necking 30 formed at the fold of the tongue 22, and whose thickness is substantially less than that of the remainder of the body 10.
  • the radiator body 10 is made of a more rigid material, for example aluminum, than that used for the reflector 1, for example polyester resin.
  • the radiator is made of weakly machined aluminum.
  • the inclination of the inclined surface 23 of the referencing wall 8 is identical to that of the inclined tongue 22 of the support wall.
  • the inclined surface 23 of the referencing wall 8 of the seat 3 ends with a portion 24 of the tongue 22 extending substantially parallel to the receiving surface 7 of the seat.
  • the tongue 22 of the radiator body 10 is, by two parallel slots 25, divided into a central portion 22 'and two lateral portions 22 ". inclination lower than that of the side parts 22 "so as to make a prepositioning of the radiator body 10 during its assembly with the reflector 1.
  • the central portion 22 'of the tongue 22 advantageously has a reduced width relative to that of the side portions 22 "so as to be more easily deformable during a first phase of the assembly.
  • the fastening hole 19 provided in the support wall 9 of the radiator body 10 is advantageously disposed in the center of a lug 26 of generally circular shape cut in the support wall in order to make a catch of play during the installation. assembly of the radiator body 10 on the reflector 1.
  • the fixing member may comprise a tab 27 (see Figures 8 and 9 ) provided on the support wall 9 of the radiator body 10.
  • This tongue 27 extends substantially perpendicularly to the support wall 9 and is adapted to be inserted into a slot-shaped mounting hole 28 provided in the wall referenced 8 of the seat 3.
  • the tongue 27 has at its free end a fin 31 adapted to be pivoted axially relative to the axis of the tongue 27. The attachment is obtained by a simple rotation of a quarter turn of the fin 31 which causes a torsional deformation of the tongue 27.
  • the tongue 27 may have at its free end two lugs 32 separated by a slot, the lugs 32 being able to be displaced radially with respect to the axis of the tongue. Fixing is obtained by moving the two tabs 32 away from one another, which causes a pull deformation of the tongue 27.
  • the assembly method of the light module according to the invention is simple, quick to implement, and allows a very precise positioning of the light source relative to the reflector. To do this, it suffices to place the radiator body 10 on which the support 5 of the light source is fixed on the seat 3 of the reflector 1 by sliding it towards the referencing wall 8 of the seat 3 of the reflector until the tongue 22 of the support wall 9 of the radiator body 10 comes into contact with the inclined surface 23 of the referencing wall 8 of the seat 3. Then, the means for fixing the radiator body to the reflector are put in place and a fastener 21 is actuated to bring the support wall 9 of the radiator body 10 closer to the referencing wall 8 of the reflector 1.
  • the central portion 22' is first placed in abutment against the inclined surface 23 of the referencing wall 8 of the seat 3 so as to reach a prepositioning position of the body radiator 10 on the reflector seat 3 1.
  • the support wall 9 of the radiator body 10 is at a distance of about 1 mm from the reference wall 8 of the seat 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Led Device Packages (AREA)
EP14183832.6A 2013-09-06 2014-09-05 Leuchtmodul für Beleuchtungs- und/oder Signalisierungsvorrichtung Active EP2846079B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1358565A FR3010488B1 (fr) 2013-09-06 2013-09-06 Module lumineux pour dispositif d'eclairage et/ou de signalisation

Publications (2)

Publication Number Publication Date
EP2846079A1 true EP2846079A1 (de) 2015-03-11
EP2846079B1 EP2846079B1 (de) 2020-06-03

Family

ID=49667368

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14183832.6A Active EP2846079B1 (de) 2013-09-06 2014-09-05 Leuchtmodul für Beleuchtungs- und/oder Signalisierungsvorrichtung

Country Status (2)

Country Link
EP (1) EP2846079B1 (de)
FR (1) FR3010488B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3056702A1 (fr) * 2016-09-27 2018-03-30 Valeo Vision Module lumineux avec dispositif de pilotage integre
EP3396240A1 (de) * 2017-04-27 2018-10-31 Valeo North America, Inc. Fahrzeuglampenanordnung mit verbessertem kühlkörper mit lichtabschirmung
EP3428512A1 (de) * 2017-07-12 2019-01-16 Automotive Lighting Reutlingen GmbH Lichtmodul eines kraftfahrzeugscheinwerfers und kraftfahrzeugscheinwerfer mit einem solchen lichtmodul
WO2019063298A1 (de) * 2017-09-28 2019-04-04 Automotive Lighting Reutlingen Gmbh Led-scheinwerfermodul
CN110220164A (zh) * 2018-03-02 2019-09-10 株式会社小糸制作所 车辆用灯具

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3037381B1 (fr) 2015-06-11 2021-02-19 Valeo Vision Dispositif de positionnement d'un support lumineux d'une diode electroluminescente sur un element support et module lumineux pour dispositif d'eclairage et/ou de signalisation comportant un tel dispositif

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1617131A2 (de) * 2004-07-16 2006-01-18 Osram Sylvania Inc. Lampe mit seitwärts emittierenden LED
US20070109806A1 (en) * 2005-11-16 2007-05-17 Koito Manufacturing Co., Ltd. Vehicular lamp
JP2012059643A (ja) * 2010-09-10 2012-03-22 Koito Mfg Co Ltd 光学ユニット
JP2012216348A (ja) * 2011-03-31 2012-11-08 Ichikoh Ind Ltd 車両用灯具
JP2013030372A (ja) * 2011-07-29 2013-02-07 Stanley Electric Co Ltd 車両用前照灯
DE102012202933A1 (de) * 2012-02-27 2013-08-29 Osram Gmbh Beleuchtungseinrichtung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1617131A2 (de) * 2004-07-16 2006-01-18 Osram Sylvania Inc. Lampe mit seitwärts emittierenden LED
US20070109806A1 (en) * 2005-11-16 2007-05-17 Koito Manufacturing Co., Ltd. Vehicular lamp
JP2012059643A (ja) * 2010-09-10 2012-03-22 Koito Mfg Co Ltd 光学ユニット
JP2012216348A (ja) * 2011-03-31 2012-11-08 Ichikoh Ind Ltd 車両用灯具
JP2013030372A (ja) * 2011-07-29 2013-02-07 Stanley Electric Co Ltd 車両用前照灯
DE102012202933A1 (de) * 2012-02-27 2013-08-29 Osram Gmbh Beleuchtungseinrichtung

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3056702A1 (fr) * 2016-09-27 2018-03-30 Valeo Vision Module lumineux avec dispositif de pilotage integre
EP3396240A1 (de) * 2017-04-27 2018-10-31 Valeo North America, Inc. Fahrzeuglampenanordnung mit verbessertem kühlkörper mit lichtabschirmung
US10544915B2 (en) 2017-04-27 2020-01-28 Valeo North America, Inc. Vehicle lamp assembly having an improved heat sink with light shield
EP3428512A1 (de) * 2017-07-12 2019-01-16 Automotive Lighting Reutlingen GmbH Lichtmodul eines kraftfahrzeugscheinwerfers und kraftfahrzeugscheinwerfer mit einem solchen lichtmodul
WO2019063298A1 (de) * 2017-09-28 2019-04-04 Automotive Lighting Reutlingen Gmbh Led-scheinwerfermodul
CN110220164A (zh) * 2018-03-02 2019-09-10 株式会社小糸制作所 车辆用灯具
CN110220164B (zh) * 2018-03-02 2021-12-24 株式会社小糸制作所 车辆用灯具

Also Published As

Publication number Publication date
FR3010488A1 (fr) 2015-03-13
EP2846079B1 (de) 2020-06-03
FR3010488B1 (fr) 2015-09-18

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