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FR3050802B1 - Dispositif lumineux avec dispositif de dissipation de chaleur - Google Patents

Dispositif lumineux avec dispositif de dissipation de chaleur Download PDF

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Publication number
FR3050802B1
FR3050802B1 FR1653882A FR1653882A FR3050802B1 FR 3050802 B1 FR3050802 B1 FR 3050802B1 FR 1653882 A FR1653882 A FR 1653882A FR 1653882 A FR1653882 A FR 1653882A FR 3050802 B1 FR3050802 B1 FR 3050802B1
Authority
FR
France
Prior art keywords
heat dissipation
light
fins
dissipation device
light device
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
FR1653882A
Other languages
English (en)
Other versions
FR3050802A1 (fr
Inventor
Stephane Bailly
Christophe Petigny
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
Priority to FR1653882A priority Critical patent/FR3050802B1/fr
Publication of FR3050802A1 publication Critical patent/FR3050802A1/fr
Application granted granted Critical
Publication of FR3050802B1 publication Critical patent/FR3050802B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/87—Organic material, e.g. filled polymer composites; Thermo-conductive additives or coatings therefor
    • 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
    • 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
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
    • F21V23/006—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate being distinct from the light source holder
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/745—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades the fins or blades being planar and inclined with respect to the joining surface from which the fins or blades extend
    • 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
    • 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
    • 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
    • F21S43/19—Attachment of light sources or lamp holders
    • 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
    • F21Y2101/00—Point-like 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)

Abstract

L'invention concerne un dispositif lumineux pour véhicule automobile, comprenant au moins une diode électroluminescente (1) pour l'éclairage et/ou la signalisation et un dispositif (2) de dissipation de chaleur comportant une pluralité d'ailettes (20). Conformément à l'invention au moins une des ailettes est réalisée en une matière thermoplastique.
FR1653882A 2016-04-29 2016-04-29 Dispositif lumineux avec dispositif de dissipation de chaleur Active FR3050802B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1653882A FR3050802B1 (fr) 2016-04-29 2016-04-29 Dispositif lumineux avec dispositif de dissipation de chaleur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1653882A FR3050802B1 (fr) 2016-04-29 2016-04-29 Dispositif lumineux avec dispositif de dissipation de chaleur
FR1653882 2016-04-29

Publications (2)

Publication Number Publication Date
FR3050802A1 FR3050802A1 (fr) 2017-11-03
FR3050802B1 true FR3050802B1 (fr) 2020-03-06

Family

ID=56322158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1653882A Active FR3050802B1 (fr) 2016-04-29 2016-04-29 Dispositif lumineux avec dispositif de dissipation de chaleur

Country Status (1)

Country Link
FR (1) FR3050802B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109578936A (zh) * 2018-12-31 2019-04-05 广州市诺思赛光电科技有限公司 一种绳式散热led车灯

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7226189B2 (en) * 2005-04-15 2007-06-05 Taiwan Oasis Technology Co., Ltd. Light emitting diode illumination apparatus
US8465175B2 (en) * 2005-11-29 2013-06-18 GE Lighting Solutions, LLC LED lighting assemblies with thermal overmolding
US20070259576A1 (en) * 2006-05-03 2007-11-08 Brandt Bruce B Metal carrier for LEDs in composite lamps
DE102006059592A1 (de) * 2006-12-16 2008-06-19 Bayerische Motoren Werke Ag Kraftfahrzeugschweinwerfer
CN101487583B (zh) * 2008-01-16 2010-09-29 富士迈半导体精密工业（上海）有限公司 照明装置
CN102032481B (zh) * 2009-09-25 2014-01-08 东芝照明技术株式会社 附带灯口的照明灯及照明器具
IT1396077B1 (it) * 2009-10-16 2012-11-09 Automotive Lighting Italia Spa Dispositivo di illuminazione per veicoli, in particolare autoveicoli, utilizzante diodi led
WO2011050256A1 (fr) * 2009-10-22 2011-04-28 Thermal Solution Resources, Llc Ensemble d'éclairage à led surmoulé et procédé de fabrication
CN201599630U (zh) * 2010-01-18 2010-10-06 浙江迈勒斯照明有限公司 带散热装置的led光源模块
CN103635745A (zh) * 2011-05-31 2014-03-12 沙特基础创新塑料Ip私人有限责任公司 Led塑料热沉以及用于制造和使用其的方法
US9366422B2 (en) * 2012-03-22 2016-06-14 Makersled Llc Slotted heatsinks and systems and methods related thereto
FR2996905A1 (fr) * 2012-10-11 2014-04-18 Valeo Vision Dispositif lumineux avec refroidissement en plastique

Also Published As

Publication number Publication date
FR3050802A1 (fr) 2017-11-03

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