EP1826481A1 - Lampe - Google Patents
Lampe Download PDFInfo
- Publication number
- EP1826481A1 EP1826481A1 EP07102624A EP07102624A EP1826481A1 EP 1826481 A1 EP1826481 A1 EP 1826481A1 EP 07102624 A EP07102624 A EP 07102624A EP 07102624 A EP07102624 A EP 07102624A EP 1826481 A1 EP1826481 A1 EP 1826481A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamp
- housings
- electronic components
- diodes
- heat
- 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
Links
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 239000004020 conductor Substances 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- -1 more specifically Substances 0.000 description 1
Images
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
-
- 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
- F21V29/76—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
- F21V29/767—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 directions perpendicular to 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
- F21V3/00—Globes; Bowls; 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
- 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
- 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]
Definitions
- Lamps provided with light-emitting diodes are known.
- the main advantages of these lamps are its long lifetime and its low energy consumption.
- Said prior art diode lamps have drawbacks in evacuating the heat produced by its inside electronic components, thus reducing its lifetime and usefulness. It has also been proved that said lamps do not show a good air or water tightness either.
- the object of the present invention is to solve the known prior art devices drawbacks, providing a lamp comprising connection means to an electric power supply, a housing comprising lamp electronic components, and a housing which comprises a plurality of light-emitting diodes, characterized in that it comprises some cooling wings in the outer lamp surface for the evacuation of the heat caused by said electronic components and the by diodes towards the outside of the lamp.
- the lamp of the invention can be used for replacing the usual incandescent lamps used in traffic-lights in a simple and fast manner, as if they were replaced by another incandescent lamp. This avoids the need to dismantle the traffic-light front part.
- the cooling wings comprise at least part of the outer surface of at least one of the housings.
- the housings and the cooling wings are made of a conducting material of the heat caused by said electronic components and diodes.
- the heat conducting material is a metallic material, more specifically, aluminium.
- the lamp comprises a sealing resin arranged inside the housings so as to prevent the water or air from entering into said housings and to increase the evacuation of the heat caused by the electronic components and the light-emitting diodes towards the outside of the lamp.
- the sealing resin is of the epoxy type.
- This sealing resin keeps the housings tightness and, in combination with the wings, improves the heat transmission from the housings inside to the lamp outside. Thus, it is avoided the use of prior art rubber joints, which normally loose tightness due to sudden temperature changes to which they are subjected.
- connection means to an electric power supply comprise a threaded metallic cap.
- FIG. 1 A drawing is attached to facilitate the description of what has been disclosed above, in which, diagrammatically and only as a non-limitative example, a practical case of embodiment of the invention is shown.
- This drawing shows a longitudinal cross-section of the lamp of the present invention.
- the lamp 1 of the invention comprises a main body 2 which includes some cooling wings 3 in its outer surface extending perpendicularly with respect to the longitudinal axis of the lamp 1.
- Said main body 2 defines a housing 4 in which the electronic components of the lamp 1 are located.
- the lamp 1 comprises another frontal housing 6defined in one of the ends of the main body 2, in which a plurality of light-emitting diodes 7 are located. Said housing 6 is frontally closed by a transparent dome 8.
- the main body 2 wings 3 extends through a part of the outer surface of the lamp 1, more specifically through part of the outer surface of both housings 4, 6. These wings 3 are meant to evacuate to the maximum the heat produced by the operation of the electronic components and the diodes 7 arranged inside the housings 4, 6. In this way, the heat is transmitted from inside the housings 4, 6 through the its walls directly towards the wings 3.
- the body 2 and the wings 3 will be total or partially made of any good heat conducting material or materials, preferably of aluminium.
- the outer diameter of the lamp 1 is smaller than the diameter of this type of prior art lamps, since the contact surface with the outside is increased, thus making more easy the heat removal without the need of enlarging the outer diameter.
- the housings 4, 6 could be filled with sealing resin 9, of the epoxy or another type, good heat transmitting, so as to improve the evacuation of the heat generated by the elements arranged inside both housings 4, 6 towards the outside of the lamp and to provide the needed tightness to prevent the water or air from entering said housings 4, 6 in whatever condition.
- the resin 9 can be arranged nearby close to the internal wall of the housings 4, 6.
- the lamp 1 includes also a standard threaded cap 10 for the electricity supplying of the lamp 1 components by connecting it to an electric network connected terminal.
- cooling wings 3 comprise many substantially parallel layers which extends in a plane perpendicular to the lamp longitudinal axis, the wings configuration and arrangement can vary depending on the lamp 1 design and specific needs.
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)
- Vessels And Coating Films For Discharge Lamps (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07102624T PL1826481T3 (pl) | 2006-02-24 | 2007-02-19 | Lampa |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200600439A ES2288394B1 (es) | 2006-02-24 | 2006-02-24 | Lampara dotada de medios disipadores de calor. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1826481A1 true EP1826481A1 (fr) | 2007-08-29 |
EP1826481B1 EP1826481B1 (fr) | 2008-10-08 |
Family
ID=38009761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07102624A Active EP1826481B1 (fr) | 2006-02-24 | 2007-02-19 | Lampe |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1826481B1 (fr) |
AT (1) | ATE410642T1 (fr) |
DE (1) | DE602007000154D1 (fr) |
ES (2) | ES2288394B1 (fr) |
PL (1) | PL1826481T3 (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008058757A1 (de) * | 2008-11-19 | 2010-05-20 | M I P Center Gmbh | Leuchteinrichtung für Beleuchtungszwecke und Leuchte mit einer solchen Leuchteinrichtung |
ITBI20090013A1 (it) * | 2009-11-20 | 2011-05-21 | Lomar S R L | Sistema modulare di illuminazione multi-faro a led, e relativo faro modulare a led. |
WO2011154011A3 (fr) * | 2010-06-11 | 2012-04-19 | Wise Innovations Technologies Sarl | Système de refroidissement pour del |
WO2012091364A2 (fr) * | 2010-12-30 | 2012-07-05 | 금강전기(주) | Appareil d'éclairage à del et son procédé de fabrication |
KR101263763B1 (ko) | 2011-12-07 | 2013-05-13 | 금강전기 (주) | Led 조명장치 |
US8552626B1 (en) | 2010-06-04 | 2013-10-08 | Cree, Inc. | Lighting device with reverse tapered heatsink |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2361879B1 (es) * | 2008-11-20 | 2012-06-22 | Lidolight Saving Energy, S.L. | Luminaria. |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5791770A (en) * | 1997-02-27 | 1998-08-11 | Aavid Thermal Products, Inc. | Light source cooler for LCD monitor |
US20040222516A1 (en) * | 2003-05-07 | 2004-11-11 | Ting-Hao Lin | Light emitting diode bulb having high heat dissipating efficiency |
US20050122018A1 (en) * | 2003-12-05 | 2005-06-09 | Morris Thomas M. | Light emitting assembly with heat dissipating support |
EP1577613A2 (fr) * | 2004-03-10 | 2005-09-21 | Conrad Electronic GmbH | Lampe pour dispositif d'éclairage |
DE202005017030U1 (de) * | 2005-05-11 | 2006-02-09 | Quasar Optoelectronics, Inc., Wufong | LED-Lichtquelle |
WO2006044027A2 (fr) * | 2004-10-12 | 2006-04-27 | Gelcore Llc | Procede de liaison magnetique pour moteurs d'eclairage a del |
-
2006
- 2006-02-24 ES ES200600439A patent/ES2288394B1/es not_active Expired - Fee Related
-
2007
- 2007-02-19 EP EP07102624A patent/EP1826481B1/fr active Active
- 2007-02-19 AT AT07102624T patent/ATE410642T1/de not_active IP Right Cessation
- 2007-02-19 PL PL07102624T patent/PL1826481T3/pl unknown
- 2007-02-19 ES ES07102624T patent/ES2316122T3/es active Active
- 2007-02-19 DE DE602007000154T patent/DE602007000154D1/de active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5791770A (en) * | 1997-02-27 | 1998-08-11 | Aavid Thermal Products, Inc. | Light source cooler for LCD monitor |
US20040222516A1 (en) * | 2003-05-07 | 2004-11-11 | Ting-Hao Lin | Light emitting diode bulb having high heat dissipating efficiency |
US20050122018A1 (en) * | 2003-12-05 | 2005-06-09 | Morris Thomas M. | Light emitting assembly with heat dissipating support |
EP1577613A2 (fr) * | 2004-03-10 | 2005-09-21 | Conrad Electronic GmbH | Lampe pour dispositif d'éclairage |
WO2006044027A2 (fr) * | 2004-10-12 | 2006-04-27 | Gelcore Llc | Procede de liaison magnetique pour moteurs d'eclairage a del |
DE202005017030U1 (de) * | 2005-05-11 | 2006-02-09 | Quasar Optoelectronics, Inc., Wufong | LED-Lichtquelle |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008058757A1 (de) * | 2008-11-19 | 2010-05-20 | M I P Center Gmbh | Leuchteinrichtung für Beleuchtungszwecke und Leuchte mit einer solchen Leuchteinrichtung |
ITBI20090013A1 (it) * | 2009-11-20 | 2011-05-21 | Lomar S R L | Sistema modulare di illuminazione multi-faro a led, e relativo faro modulare a led. |
US8552626B1 (en) | 2010-06-04 | 2013-10-08 | Cree, Inc. | Lighting device with reverse tapered heatsink |
US8779653B2 (en) | 2010-06-04 | 2014-07-15 | Cree, Inc. | Lighting device with reverse tapered heatsink |
EP2450615B1 (fr) * | 2010-06-04 | 2015-02-25 | Cree, Inc. | Dispositif d'éclairage avec dissipateur thermique conique inversé |
WO2011154011A3 (fr) * | 2010-06-11 | 2012-04-19 | Wise Innovations Technologies Sarl | Système de refroidissement pour del |
WO2012091364A2 (fr) * | 2010-12-30 | 2012-07-05 | 금강전기(주) | Appareil d'éclairage à del et son procédé de fabrication |
WO2012091364A3 (fr) * | 2010-12-30 | 2012-08-23 | 금강전기(주) | Appareil d'éclairage à del et son procédé de fabrication |
KR101263763B1 (ko) | 2011-12-07 | 2013-05-13 | 금강전기 (주) | Led 조명장치 |
Also Published As
Publication number | Publication date |
---|---|
ES2288394B1 (es) | 2008-11-16 |
EP1826481B1 (fr) | 2008-10-08 |
ATE410642T1 (de) | 2008-10-15 |
ES2288394A1 (es) | 2008-01-01 |
ES2316122T3 (es) | 2009-04-01 |
PL1826481T3 (pl) | 2009-04-30 |
DE602007000154D1 (de) | 2008-11-20 |
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