EP2535642A3 - Lighting device with thermal coupling element made of thermally conductive plastic - Google Patents

Lighting device with thermal coupling element made of thermally conductive plastic Download PDF

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Publication number
EP2535642A3
EP2535642A3 EP20120172129 EP12172129A EP2535642A3 EP 2535642 A3 EP2535642 A3 EP 2535642A3 EP 20120172129 EP20120172129 EP 20120172129 EP 12172129 A EP12172129 A EP 12172129A EP 2535642 A3 EP2535642 A3 EP 2535642A3
Authority
EP
European Patent Office
Prior art keywords
coupling element
housing
lighting device
thermally conductive
element made
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
EP20120172129
Other languages
German (de)
French (fr)
Other versions
EP2535642A2 (en
EP2535642B1 (en
Inventor
Frank Drees
Thomas Goeke
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.)
Trilux GmbH and Co KG
Original Assignee
Trilux GmbH and Co KG
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 Trilux GmbH and Co KG filed Critical Trilux GmbH and Co KG
Publication of EP2535642A2 publication Critical patent/EP2535642A2/en
Publication of EP2535642A3 publication Critical patent/EP2535642A3/en
Application granted granted Critical
Publication of EP2535642B1 publication Critical patent/EP2535642B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • 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
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • 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
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • F21V29/713—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements in direct thermal and mechanical contact of each other to form a single system
    • 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
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/12—Flameproof or explosion-proof arrangements
    • 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
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • 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
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • 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)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

Bei geschlossenen Leuchten mit LED in einem Kunststoffgehäuse müssen zur Entwärmung die LED thermisch über ein Koppelelement mit einer Kühlvorrichtung außerhalb des Gehäuses verbunden werden. Bekannte Koppelelemente aus Metall oder Wärmerohren sind in der Herstellung aufwändig und können in ihrer Wirkung lageabhängig sein. Es wird eine Leuchte vorgeschlagen, die ein Koppelelement (10) aus einem Wärme leitende Kunststoff aufweist, der mit dem Kunststoff des Gehäuses (3, 5) kompatibel ist. Bevorzugt werden thermoplastische Kunststoffe, sodass das Koppelelement mit dem Gehäuse (3, 5) verschweißt oder umspritzt werden kann.

Figure imgaf001
For closed lamps with LED in a plastic housing, the LED must be thermally connected via a coupling element with a cooling device outside the housing for cooling. Known coupling elements made of metal or heat pipes are expensive to produce and can be position-dependent in their effect. It is proposed a lamp having a coupling element (10) made of a heat-conducting plastic, which is compatible with the plastic of the housing (3, 5). Preference is given to thermoplastics, so that the coupling element with the housing (3, 5) can be welded or encapsulated.
Figure imgaf001
EP12172129.4A 2011-06-16 2012-06-15 Lighting device with thermal coupling element made of thermally conductive plastic Active EP2535642B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011077668.0A DE102011077668B4 (en) 2011-06-16 2011-06-16 Lamp with thermal coupling element made of thermally conductive plastic

Publications (3)

Publication Number Publication Date
EP2535642A2 EP2535642A2 (en) 2012-12-19
EP2535642A3 true EP2535642A3 (en) 2013-08-14
EP2535642B1 EP2535642B1 (en) 2015-10-28

Family

ID=46354020

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12172129.4A Active EP2535642B1 (en) 2011-06-16 2012-06-15 Lighting device with thermal coupling element made of thermally conductive plastic

Country Status (3)

Country Link
EP (1) EP2535642B1 (en)
DE (1) DE102011077668B4 (en)
ES (1) ES2560961T3 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE2230404A1 (en) * 2022-12-09 2024-06-10 Grau Sundstroem Anders Heat dissipation system for LED lighting fixtures
KR102072429B1 (en) 2013-02-04 2020-02-03 엘지이노텍 주식회사 Illuminating device for vehicle, radiating device and illuminating device
EP2857744A1 (en) * 2013-10-07 2015-04-08 Hella KGaA Hueck & Co LED light module and lighting system
EP2878619A1 (en) 2013-12-02 2015-06-03 LANXESS Deutschland GmbH Polyester compositions
DE102014203263A1 (en) * 2014-02-24 2015-08-27 Osram Gmbh Connecting parts of a semiconductor lamp with bonding compound
MX2017008323A (en) * 2014-12-22 2017-10-24 Ge Lighting Solutions Llc Modular heat management apparatus for outdoor lighting system.
US10006601B2 (en) * 2016-07-19 2018-06-26 GM Global Technology Operations LLC Integrally formed heat sink and lamp housing for vehicle lamp assembly
DE102018108410B4 (en) * 2018-04-10 2020-08-20 Lisa Dräxlmaier GmbH ELECTRICAL COMPONENT AND MANUFACTURING PROCESS
DE102023003960A1 (en) 2023-10-02 2023-11-30 Mercedes-Benz Group AG module

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008097496A1 (en) * 2007-02-03 2008-08-14 Illuminer, Inc. Light emitting diode assemblies for illuminating refrigerated areas
DE102009022723A1 (en) * 2008-05-28 2009-12-03 Osram Sylvania Inc., Danvers Rear-mounted LED module for combination rear lights on motor vehicles
DE102009005547A1 (en) * 2009-01-20 2010-07-29 R. Stahl Schaltgeräte GmbH Encapsulated light-emitting diode arrangement
DE102009054926A1 (en) * 2009-12-18 2011-06-22 Osram Gesellschaft mit beschränkter Haftung, 81543 LED lighting device
DE102009060434A1 (en) * 2009-12-22 2011-06-30 TRILUX GmbH & Co. KG, 59759 LED light, has thermal coupling elements formed from firm well heat conducting material, built into region of housing wall neighboring to cooling body, and heat conductively connected with plate and cooling body
FR2968333A1 (en) * 2011-11-17 2012-06-08 Royalux Lighting device for use on wall of swimming pool, has heat conducting plate arranged on optics so that LEDs are located in hollow chamber and all or part of rear face of plate is located outside chamber to be in contact with water

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101319760B (en) 2008-06-25 2010-12-15 吴裕朝 Light emitting system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008097496A1 (en) * 2007-02-03 2008-08-14 Illuminer, Inc. Light emitting diode assemblies for illuminating refrigerated areas
DE102009022723A1 (en) * 2008-05-28 2009-12-03 Osram Sylvania Inc., Danvers Rear-mounted LED module for combination rear lights on motor vehicles
DE102009005547A1 (en) * 2009-01-20 2010-07-29 R. Stahl Schaltgeräte GmbH Encapsulated light-emitting diode arrangement
DE102009054926A1 (en) * 2009-12-18 2011-06-22 Osram Gesellschaft mit beschränkter Haftung, 81543 LED lighting device
DE102009060434A1 (en) * 2009-12-22 2011-06-30 TRILUX GmbH & Co. KG, 59759 LED light, has thermal coupling elements formed from firm well heat conducting material, built into region of housing wall neighboring to cooling body, and heat conductively connected with plate and cooling body
FR2968333A1 (en) * 2011-11-17 2012-06-08 Royalux Lighting device for use on wall of swimming pool, has heat conducting plate arranged on optics so that LEDs are located in hollow chamber and all or part of rear face of plate is located outside chamber to be in contact with water

Also Published As

Publication number Publication date
EP2535642A2 (en) 2012-12-19
DE102011077668B4 (en) 2018-03-08
ES2560961T3 (en) 2016-02-23
EP2535642B1 (en) 2015-10-28
DE102011077668A1 (en) 2012-12-20

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