EP2459925B1 - Lampe - Google Patents

Lampe Download PDF

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Publication number
EP2459925B1
EP2459925B1 EP10739320.9A EP10739320A EP2459925B1 EP 2459925 B1 EP2459925 B1 EP 2459925B1 EP 10739320 A EP10739320 A EP 10739320A EP 2459925 B1 EP2459925 B1 EP 2459925B1
Authority
EP
European Patent Office
Prior art keywords
cover
lamp
wall thickness
heat sink
heatsink
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
EP10739320.9A
Other languages
German (de)
English (en)
Other versions
EP2459925A1 (fr
Inventor
Ralph Bertram
Nicole Breidenassel
Guenter Hoetzl
Robert Kraus
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.)
Ledvance GmbH
Original Assignee
Ledvance 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 Ledvance GmbH filed Critical Ledvance GmbH
Publication of EP2459925A1 publication Critical patent/EP2459925A1/fr
Application granted granted Critical
Publication of EP2459925B1 publication Critical patent/EP2459925B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F21K9/232—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 specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • 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
    • F21V29/506—Cooling arrangements characterised by the adaptation for cooling of specific components of globes, bowls or cover glasses
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • 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
    • F21K9/233—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 specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
    • 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
    • F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
    • 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
    • F21K9/66—Details of globes or covers 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
    • 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
    • F21V17/101—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 permanently, e.g. welding, gluing or riveting
    • 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
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-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
    • F21V29/86—Ceramics or glass
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • 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
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • 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)
  • 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 (12)

  1. Lampe (1; 16; 20; 24), comportant au moins :
    - un corps de refroidissement (2; 17; 21; 25) qui porte au moins une source lumineuse (10), en particulier un élément luminescent à semi-conducteur, spécifiquement une diode électroluminescente, et
    - un couvercle (11; 19; 23 ; 26) pour l'au moins une source lumineuse (10) au moins partiellement translucide et fixé au corps de refroidissement (2 ; 17; 21; 25),
    - lequel couvercle (11; 19; 23 ; 26) présente une épaisseur de paroi (d) qui diminue au moins par endroits lorsqu'on s'éloigne du corps de refroidissement (2 ; 17 ; 21; 25),
    - lequel couvercle (11; 19; 23 ; 26) est fixé au corps de refroidissement (2; 17 ; 21; 25) au moyen d'au moins un agent adhésif (14) bon conducteur de chaleur,
    - caractérisée en ce que l'épaisseur de paroi (d) du chapeau (11; 19; 23; 26) diminue de manière continue lorsqu'on s'éloigne du corps de refroidissement (2; 17 ; 21; 25).
  2. Lampe (1; 16; 20; 24), en particulier selon la revendication 1, comportant au moins :
    - un corps de refroidissement (2 ; 17; 21; 25) qui porte au moins une source lumineuse (10), en particulier un élément luminescent à semi-conducteur, spécifiquement une diode électroluminescente, et
    - un couvercle (11; 19; 23 ; 26) pour l'au moins une source lumineuse (10) au moins partiellement translucide et fixé au corps de refroidissement (2; 17; 21; 25),
    - lequel couvercle (11; 19; 23; 26) présente au niveau d'une surface de contact (13) avec le corps de refroidissement (2; 17; 21; 25) une plus grande épaisseur de paroi (d) qu'au niveau du point (A) le plus éloigné du corps de refroidissement (2; 17; 21; 25),
    - lequel couvercle (11; 19; 23; 26) est fixé au corps de refroidissement (2; 17; 21; 25) au moyen d'au moins un agent adhésif (14) bon conducteur de chaleur,
    - caractérisée en ce que l'épaisseur de paroi (d) du chapeau (11; 19; 23; 26) diminue de manière continue lorsqu'on s'éloigne du corps de refroidissement (2; 17; 21; 25).
  3. Lampe (1; 16; 20) selon l'une quelconque des revendications précédentes, dans laquelle le couvercle présente une plus grande épaisseur de paroi (d) au niveau d'une surface de contact (13) avec le corps de refroidissement (2; 17; 21).
  4. Lampe (1; 16; 20; 24) selon l'une quelconque des revendications précédentes, dans laquelle le couvercle (11; 19; 23 ; 26) présente une conductibilité thermique entre 1 W/(m·K) et 2 W/(m·K) et est en particulier en verre avec une conductibilité thermique entre 1 W/(m·K) et 2 W/(m·K).
  5. Lampe (1; 37; 39) selon l'une quelconque des revendications précédentes, dans laquelle le couvercle (11) a au moins par endroits une forme de dôme.
  6. Lampe (20) selon l'une quelconque des revendications 1 à 4, dans laquelle le couvercle (23) a une forme de tube ouvert.
  7. Lampe (1; 20; 30) selon l'une quelconque des revendications précédentes, dans laquelle une surface de contact (13) du couvercle (11; 23) avec le corps de refroidissement (2 ; 23) correspond au moins en partie à une surface d'appui inférieure du couvercle (11 ; 23).
  8. Lampe (16) selon l'une quelconque des revendications 1 à 4, dans laquelle le couvercle (19) a une forme de disque.
  9. Lampe (16) selon la revendication 8, dans laquelle une surface de contact (13) du couvercle (19) avec le corps de refroidissement (17) est agencée latéralement.
  10. Lampe selon l'une quelconque des revendications précédentes, dans laquelle le couvercle a une fonction optique.
  11. Lampe (30) selon l'une quelconque des revendications précédentes, dans laquelle le couvercle est essentiellement exempt de contre-dépouille au niveau de son côté intérieur.
  12. Lampe (24) selon l'une quelconque des revendications précédentes, dans laquelle le couvercle (26) a une forme de tube fermé au moins côté enveloppe et le corps de refroidissement (25) est logé au moins partiellement dans le couvercle (26) et est fixé au moins partiellement à une zone inférieure (I) du couvercle (26), ladite zone inférieure (I) du couvercle (26) et une zone supérieure (II) du couvercle (26) ayant une épaisseur de paroi (d) comparativement plus petite que les deux zones latérales (III) du couvercle (26).
EP10739320.9A 2009-07-30 2010-07-20 Lampe Active EP2459925B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009035370A DE102009035370A1 (de) 2009-07-30 2009-07-30 Lampe
PCT/EP2010/060475 WO2011012498A1 (fr) 2009-07-30 2010-07-20 Lampe

Publications (2)

Publication Number Publication Date
EP2459925A1 EP2459925A1 (fr) 2012-06-06
EP2459925B1 true EP2459925B1 (fr) 2018-04-11

Family

ID=42797609

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10739320.9A Active EP2459925B1 (fr) 2009-07-30 2010-07-20 Lampe

Country Status (8)

Country Link
US (1) US8851716B2 (fr)
EP (1) EP2459925B1 (fr)
JP (1) JP2013500560A (fr)
CN (1) CN102472434B (fr)
AU (1) AU2010277788A1 (fr)
CA (1) CA2769496A1 (fr)
DE (1) DE102009035370A1 (fr)
WO (1) WO2011012498A1 (fr)

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Also Published As

Publication number Publication date
JP2013500560A (ja) 2013-01-07
EP2459925A1 (fr) 2012-06-06
AU2010277788A1 (en) 2012-02-23
US20120163001A1 (en) 2012-06-28
US8851716B2 (en) 2014-10-07
WO2011012498A1 (fr) 2011-02-03
CA2769496A1 (fr) 2011-02-03
CN102472434A (zh) 2012-05-23
CN102472434B (zh) 2016-12-28
DE102009035370A1 (de) 2011-02-03

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