DK2757313T3 - LED-lampeanordning - Google Patents

LED-lampeanordning Download PDF

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Publication number
DK2757313T3
DK2757313T3 DK14164958.2T DK14164958T DK2757313T3 DK 2757313 T3 DK2757313 T3 DK 2757313T3 DK 14164958 T DK14164958 T DK 14164958T DK 2757313 T3 DK2757313 T3 DK 2757313T3
Authority
DK
Denmark
Prior art keywords
led lamp
lamp assembly
heat
leds
heat sink
Prior art date
Application number
DK14164958.2T
Other languages
English (en)
Inventor
Alexandra Alexiou
Jacob Willer Tryde
Original Assignee
Alexiou & Tryde Holding Aps
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 Alexiou & Tryde Holding Aps filed Critical Alexiou & Tryde Holding Aps
Application granted granted Critical
Publication of DK2757313T3 publication Critical patent/DK2757313T3/da

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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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/69—Details of refractors forming part of the light source
    • 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
    • F21V29/78—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with helically or spirally arranged fins or blades
    • 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
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • 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
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • F21Y2103/33—Elongate light sources, e.g. fluorescent tubes curved annular
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/30—Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
    • 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)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (15)

1. LED-lampeanordning (100, 200), der omfatter: en varmeafleder (101, 201), der har et centrum (108, 208) og en udvendig omfangsdel (102, 202), hvilken omfangsdel (102, 202) bærer en flerhed af LED’er (103, 203), og hvilken omfangsdel (102, 202) desuden bærer en flerhed afkøleribber (107, 207), der strækker sig indad hen mod centrummet (108, 208) fra den udvendige omfangsdel (102, 202), hvor materialetykkelsen af køleribbeme (107, 207) aftager i indadgående retning fra den udvendige omfangsdel (102, 202) hen mod centrummet (108, 208) af varmeaflederen (101, 201), kendetegnet ved, at i det mindste en del af eller alle køleribber (107, 207) har en hældning eller en delvis hældning i forhold til en midterakse af varmeaflederen (101, 201).
2. LED-lampeanordning ifølge krav 1, ved hvilken køleribbemes (107, 207) hældningsvinkel aftager fra den udvendige omfangsdel (102, 202) hen mod centrummet (108, 208) af varmeaflederen (101, 201).
3. LED-lampeanordning ifølge krav 1 eller 2, ved hvilken køleribbemes (107, 207) bredde eller tværsnitsområde aftager i den indadgående retning fra den udvendige omfangsdel (102, 202) hen mod centrummet (108, 208) af varmeaflederen (101, 201).
4. LED-lampeanordning ifølge et hvilket som helst af kravene 1 til 3, ved hvilket en stor del eller alle LED’eme (103, 203) bæres af varmeaflederens (101, 201) udvendige omfangsdel (102, 202).
5. LED-lampeanordning ifølge et hvilket som helst af kravene 1 til 4, ved hvilken varmeaflederens udvendige omfangsdel udgøres af to eller flere adskilte underomfangsdele.
6. LED-lampeanordning ifølge et hvilket som helst af kravene 1 til 4, ved hvilken varmeaflederens (101, 201) udvendige omfangsdel (102, 202) er lukket over omfanget.
7. LED-lampeanordning ifølge et hvilket som helst af kravene 1 til 4, ved hvilken varmeaflederens (101, 201) udvendige omfangsdel (102, 202) er fremstillet af et elektrisk ikke-ledende materiale som for eksempel et keramikmateriale, og ved hvilken kølekonstruktionen eller køleribbeme (107, 207) er fremstillet af et elektrisk ikke-ledende materiale som for eksempel et keramikmateriale.
8. LED-lampeanordning ifølge et hvilket som helst af kravene 1 til 6, ved hvilken varmeaflederen (101, 201) er fremstillet af et elektrisk ledende materiale som for eksempel aluminium.
9. LED-lampeanordning ifølge et hvilket som helst af kravene 1 til 8, hvor anordningen (100) desuden omfatter en basis (501) til at bære varmeaflederen (101)og til at tilvejebringe forsyning af elektrisk strøm til LED’eme (103).
10. LED-lampeanordning ifølge krav 9, ved hvilken basen (501) er forsynet med et antal afben (503) til at bære varmeaflederen (101)og til at tilvejebringe forsyning af elektrisk strøm til LED’eme (103).
11. LED-lampeanordning ifølge krav 9 eller 10, ved hvilken basen (501) bærer et driverkredsløb til forsyning af DC-spænding til LED’eme.
12. LED-lampeanordning ifølge krav 1, ved hvilken LED’eme (103, 203), der bæres af varmeaflederens (101, 201) udvendige omfangsdel (102, 202), er placeret på en sådan måde, at hovedretningen af det udsendte lys forløber vinkelret på midteraksen af varmeaflederen (101, 201), eller ved hvilken LED’eme (103, 203), der bæres af varmeaflederens (101, 201) udvendige omfangsdel (102, 202), er placeret på en sådan måde, at hovedretningen af det udsendte lys forløber parallelt med midteraksen af varmeaflederen.
13. LED-lampeanordning ifølge et hvilket som helst af kravene 1 til 12, ved hvilken der er tilvejebragt linser eller en linse (601) foran i det mindste en del af LED’eme (103, 203), der bæres af varmeaflederens (101, 201) udvendige omfangsdel (102, 202).
14. LED-lampeanordning ifølge krav 13, ved hvilken linsen/linseme (601) afdækker LED’eme (103, 203), der bæres af varmeaflederens (101, 201) udvendige omfangsdel (102, 202), og ved hvilken linsen/linseme (601) er fremstillet i ét stykke.
15. LED-lampeanordning ifølge krav 13 eller 14, ved hvilken der for hver LED eller i det mindste en del af LED’eme (103, 203) er udformet en korresponderende konveks del (701), der peger udad, på overfladedelen af linsen/linseme (601), der vender mod LED’en (103, 203).
DK14164958.2T 2010-05-05 2011-05-04 LED-lampeanordning DK2757313T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201000391 2010-05-05
EP11719509A EP2567146A1 (en) 2010-05-05 2011-05-04 Led lamp assembly

Publications (1)

Publication Number Publication Date
DK2757313T3 true DK2757313T3 (da) 2016-07-18

Family

ID=44169559

Family Applications (1)

Application Number Title Priority Date Filing Date
DK14164958.2T DK2757313T3 (da) 2010-05-05 2011-05-04 LED-lampeanordning

Country Status (6)

Country Link
US (2) US9121596B2 (da)
EP (2) EP2567146A1 (da)
CN (1) CN102933896B (da)
DK (1) DK2757313T3 (da)
ES (1) ES2575184T3 (da)
WO (1) WO2011138363A1 (da)

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Also Published As

Publication number Publication date
US9121596B2 (en) 2015-09-01
CN102933896A (zh) 2013-02-13
US20160018097A1 (en) 2016-01-21
CN102933896B (zh) 2016-12-07
EP2757313B1 (en) 2016-03-30
ES2575184T3 (es) 2016-06-27
EP2567146A1 (en) 2013-03-13
WO2011138363A1 (en) 2011-11-10
EP2757313A1 (en) 2014-07-23
US20130221846A1 (en) 2013-08-29

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