EP2532949A3 - Lighting and/or signalling device with built-in radiator and heat sink - Google Patents

Lighting and/or signalling device with built-in radiator and heat sink Download PDF

Info

Publication number
EP2532949A3
EP2532949A3 EP12170716A EP12170716A EP2532949A3 EP 2532949 A3 EP2532949 A3 EP 2532949A3 EP 12170716 A EP12170716 A EP 12170716A EP 12170716 A EP12170716 A EP 12170716A EP 2532949 A3 EP2532949 A3 EP 2532949A3
Authority
EP
European Patent Office
Prior art keywords
radiator
lighting
heat sink
enclosure
built
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
EP12170716A
Other languages
German (de)
French (fr)
Other versions
EP2532949A2 (en
EP2532949B1 (en
Inventor
Christine Roucoules
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
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 Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP2532949A2 publication Critical patent/EP2532949A2/en
Publication of EP2532949A3 publication Critical patent/EP2532949A3/en
Application granted granted Critical
Publication of EP2532949B1 publication Critical patent/EP2532949B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F21S41/10—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]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • 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
    • 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
    • F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
    • 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
    • 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
    • F21S45/60—Heating of lighting devices, e.g. for demisting

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

L'invention concerne un dispositif d'éclairage et/ou de signalisation (1) comprenant un boîtier (2), un élément transparent (3) délimitant avec le boîtier (2) une enceinte (4), une source de lumière (8) et au moins un radiateur (9) en contact thermique avec ladite source (8). Selon l'invention, le radiateur (9) s'étend dans l'enceinte (4) et en ce que le dispositif (1) comprend au moins un dissipateur thermique (14), appelé premier dissipateur (14), qui réalise un échange thermique entre un air contenu dans l'enceinte (4) et un flux d'air extérieur à l'enceinte (4).

Figure imgaf001
The invention relates to a lighting and / or signaling device (1) comprising a housing (2), a transparent element (3) delimiting with the housing (2) an enclosure (4), a light source (8) and at least one radiator (9) in thermal contact with said source (8). According to the invention, the radiator (9) extends in the enclosure (4) and in that the device (1) comprises at least one heat sink (14), called first dissipator (14), which carries out an exchange thermal between an air contained in the enclosure (4) and a flow of air outside the enclosure (4).
Figure imgaf001
EP12170716.0A 2011-06-07 2012-06-04 Lighting and/or signalling device with built-in radiator and heat sink Active EP2532949B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1154949A FR2976345B1 (en) 2011-06-07 2011-06-07 INTEGRATING RADIATOR AND DISSIPATOR LIGHTING AND / OR SIGNALING DEVICE

Publications (3)

Publication Number Publication Date
EP2532949A2 EP2532949A2 (en) 2012-12-12
EP2532949A3 true EP2532949A3 (en) 2013-03-20
EP2532949B1 EP2532949B1 (en) 2020-10-14

Family

ID=46149335

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12170716.0A Active EP2532949B1 (en) 2011-06-07 2012-06-04 Lighting and/or signalling device with built-in radiator and heat sink

Country Status (2)

Country Link
EP (1) EP2532949B1 (en)
FR (1) FR2976345B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6235283B2 (en) 2013-09-24 2017-11-22 株式会社東芝 Lighting device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060181894A1 (en) * 2005-02-16 2006-08-17 Visteon Global Technologies, Inc. Headlamp assembly having cooling channel
US20070008727A1 (en) * 2005-07-07 2007-01-11 Visteon Global Technologies, Inc. Lamp housing with interior cooling by a thermoelectric device
JP2007220618A (en) * 2006-02-20 2007-08-30 Stanley Electric Co Ltd Vehicular led lighting fixture
US20090059594A1 (en) * 2007-08-31 2009-03-05 Ming-Feng Lin Heat dissipating apparatus for automotive LED lamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060181894A1 (en) * 2005-02-16 2006-08-17 Visteon Global Technologies, Inc. Headlamp assembly having cooling channel
US20070008727A1 (en) * 2005-07-07 2007-01-11 Visteon Global Technologies, Inc. Lamp housing with interior cooling by a thermoelectric device
JP2007220618A (en) * 2006-02-20 2007-08-30 Stanley Electric Co Ltd Vehicular led lighting fixture
US20090059594A1 (en) * 2007-08-31 2009-03-05 Ming-Feng Lin Heat dissipating apparatus for automotive LED lamp

Also Published As

Publication number Publication date
EP2532949A2 (en) 2012-12-12
FR2976345B1 (en) 2015-05-01
FR2976345A1 (en) 2012-12-14
EP2532949B1 (en) 2020-10-14

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