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EP2322847A3 - Variable LED downlight - Google Patents

Variable LED downlight Download PDF

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Publication number
EP2322847A3
EP2322847A3 EP10191374A EP10191374A EP2322847A3 EP 2322847 A3 EP2322847 A3 EP 2322847A3 EP 10191374 A EP10191374 A EP 10191374A EP 10191374 A EP10191374 A EP 10191374A EP 2322847 A3 EP2322847 A3 EP 2322847A3
Authority
EP
European Patent Office
Prior art keywords
heat sink
support structure
opening
downlight
led assembly
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
EP10191374A
Other languages
German (de)
French (fr)
Other versions
EP2322847A2 (en
EP2322847B1 (en
Inventor
Gottfried Müller
Ludwig Niedermaier
Florian Ettmayer
Benjamin Zweiling
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.)
Osram SBT GmbH
Original Assignee
Siteco Beleuchtungstechnik GmbH
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 Siteco Beleuchtungstechnik GmbH filed Critical Siteco Beleuchtungstechnik GmbH
Publication of EP2322847A2 publication Critical patent/EP2322847A2/en
Publication of EP2322847A3 publication Critical patent/EP2322847A3/en
Application granted granted Critical
Publication of EP2322847B1 publication Critical patent/EP2322847B1/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
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/002—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for interchangeability, i.e. component parts being especially adapted to be replaced by another part with the same or a different function
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/18—Latch-type fastening, e.g. with rotary action
    • 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
    • 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
    • F21V29/75—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
    • 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
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • 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
    • F21V29/89—Metals
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/041—Optical design with conical or pyramidal surface
    • 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)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

Die Erfindung betrifft ein Downlight, das Folgendes aufweist: eine Tragestruktur (2) zum Einbau oder Anbau in bzw. an einer Decke mit einer durch einen Rahmen der Tragestruktur festgelegten eine Öffnung (6) für den Lichtaustritt des Downlights, einen Kühlkörper (16), welcher an der Tragestruktur (2) gehalten ist, wenigstens eine LED-Anordnung, die mit dem Kühlkörper (16) thermisch verbunden ist und an dem Kühlkörper (16) mechanisch angebracht ist, sowie wenigstens eine Reflektorbaugruppe (24,24',24'',24''',124,124',124'',124'''), die sich von der LED-Anordnung in Richtung zur Öffnung (6) der Tragstruktur erstreckt, wobei der Kühlkörper an der Tragestruktur und/oder die LED-Anordnung an dem Kühlkörper in wenigstens zwei verschiedenen Einbaulagen anbringbar ist, so dass die an dem Kühlkörper angebrachte LED-Anordnung unterschiedliche Abstände gegenüber der Öffnung der Tragestruktur annimmt.

Figure imgaf001
The invention relates to a downlight, comprising: a support structure (2) for installation or mounting in or on a ceiling with an opening (6) for the light exit of the downlight defined by a frame of the support structure, a heat sink (16), which is held on the support structure (2), at least one LED arrangement, which is thermally connected to the heat sink (16) and mechanically attached to the heat sink (16), and at least one reflector assembly (24,24 ', 24'' , 24 ''', 124, 124', 124 '', 124 ''') extending from the LED assembly toward the opening (6) of the support structure, the heat sink at the support structure and / or the LED assembly can be attached to the heat sink in at least two different mounting positions, so that the mounted on the heat sink LED assembly assumes different distances from the opening of the support structure.
Figure imgaf001
EP10191374A 2009-11-17 2010-11-16 Variable LED downlight Active EP2322847B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009053577 2009-11-17
DE102010013690A DE102010013690A1 (en) 2009-11-17 2010-04-01 Variable LED downlight

Publications (3)

Publication Number Publication Date
EP2322847A2 EP2322847A2 (en) 2011-05-18
EP2322847A3 true EP2322847A3 (en) 2012-08-01
EP2322847B1 EP2322847B1 (en) 2013-03-27

Family

ID=43558058

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10191374A Active EP2322847B1 (en) 2009-11-17 2010-11-16 Variable LED downlight

Country Status (2)

Country Link
EP (1) EP2322847B1 (en)
DE (1) DE102010013690A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011113653B4 (en) * 2011-09-19 2016-02-18 Rüdiger Lanz LED high-power spotlight
US9239153B2 (en) 2012-02-17 2016-01-19 Lumenoptix, Llc Light fixtures and processes for use thereof
DE102013107395B4 (en) 2013-07-12 2016-08-25 Rüdiger Lanz LED high-power spotlight
SG11201701416SA (en) 2014-08-28 2017-03-30 Modulex Inc Lighting device body and lighting device
DE102016011054A1 (en) * 2016-09-12 2018-03-15 Bartenbach Holding Gmbh Luminaire set and spotlights for this
DE102017113948A1 (en) * 2017-06-23 2018-12-27 Wolfgang Koerfer Heat sink for an LED illuminant and method of manufacturing the heat sink
GB2559635B (en) * 2017-07-05 2019-05-29 John Cullen Lighting Ltd Luminaire
WO2020057956A1 (en) * 2018-09-17 2020-03-26 Signify Holding B.V. Adjustable recessed lighting apparatus
CN109882775B (en) * 2019-03-20 2024-07-05 谢进华 Ceiling lamp with adjustable spring clip spacing
GB2635383A (en) * 2023-11-10 2025-05-14 Integral Memory Plc A lamp

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050227536A1 (en) * 2004-04-05 2005-10-13 Genlyte Thomas Group Llc Enclosure for socket cup for snap-in electrical quick connectors
WO2009039491A1 (en) * 2007-09-21 2009-03-26 Cooper Technologies Company Light emitting diode recessed light fixture
DE102008009814A1 (en) * 2008-02-19 2009-08-20 Zumtobel Lighting Gmbh & Co. Kg Light, especially downlight

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050227536A1 (en) * 2004-04-05 2005-10-13 Genlyte Thomas Group Llc Enclosure for socket cup for snap-in electrical quick connectors
WO2009039491A1 (en) * 2007-09-21 2009-03-26 Cooper Technologies Company Light emitting diode recessed light fixture
DE102008009814A1 (en) * 2008-02-19 2009-08-20 Zumtobel Lighting Gmbh & Co. Kg Light, especially downlight

Also Published As

Publication number Publication date
EP2322847A2 (en) 2011-05-18
DE102010013690A1 (en) 2011-05-19
EP2322847B1 (en) 2013-03-27

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