EP2404110B1 - Dispositif d'eclairage avec au mois une dissipateur thermique - Google Patents
Dispositif d'eclairage avec au mois une dissipateur thermique Download PDFInfo
- Publication number
- EP2404110B1 EP2404110B1 EP10706629.2A EP10706629A EP2404110B1 EP 2404110 B1 EP2404110 B1 EP 2404110B1 EP 10706629 A EP10706629 A EP 10706629A EP 2404110 B1 EP2404110 B1 EP 2404110B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lighting apparatus
- cooling
- heat sink
- base
- lighting device
- 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.)
- Not-in-force
Links
- 238000001816 cooling Methods 0.000 claims description 60
- 239000003570 air Substances 0.000 description 21
- 239000002826 coolant Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
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- 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
- 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
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
- F21V29/677—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
-
- 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
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
-
- 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
- F21V29/745—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades the fins or blades being planar and inclined with respect to the joining surface from which the fins or blades extend
-
- 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
-
- 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
-
- 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
- F21V29/80—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with pins or wires
-
- 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
- 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
- the invention relates to a lighting device having at least one heat sink and a preferably at least approximately planar base for receiving at least one light source and at least one device connected to the lighting device for generating a cooling medium flow, in particular an air flow.
- Lighting devices especially when using light emitting diodes (LEDs) for light generation, often require a cooling device that can be used to cool the light sources during operation to have a long life and to achieve the desired illumination quality.
- the cooling devices usually have a preferably flat base on which the LEDs are mounted directly or on a suitable support.
- passive heat sinks are no longer sufficient to ensure the desired cooling effect, and mostly devices for generating a cooling medium flow are used, which improve the dissipation of heat output by convection.
- electric fans are used for this, which are mounted on the side facing away from the base of the heat sink and blow ambient air as cooling fluid approximately perpendicular to the heat sink. The cooling air flow is guided perpendicular to the plane of the base on the heat sink and then deflected when hitting them to the side.
- the US 2007 / 0297183A1 and the US 2005/0174780 A1 show examples of lighting devices in which a cooling medium flow is deflected and guided along a curved base.
- the US 2009/052175 A1 , the EP 2 020 569 A2 and the DE 20 2007 002751 U1 show further prior art arrangement of cooling devices in lighting device.
- retrofit lamps which have light-emitting diodes as light sources and a conventional lamp base in order to use them instead of conventional light bulbs.
- retrofit lamps should correspond in their outer dimensions as closely as possible incandescent lamps and therefore must have a particularly compact design and work as possible in all mounting positions. This favors the occurrence of a thermal short circuit, ie the direct suction of just blown out heated cooling air, especially when the lamps are operated in confined spaces, for example due to a lampshade.
- the object of the present invention is therefore to provide a lighting device with at least one heat sink and a base for receiving at least one light source and at least one connected to the lighting device device for generating a cooling medium flow, in particular an air flow to create, which has a compact design and high efficiency in the cooling of the light source.
- the cooling medium flow is mainly parallel to the plane of the base of the heat sink, a deflection of the air flow is avoided by a larger angle, in particular by more than 90 °.
- the cooling effect at the same fan power over a prior art embodiment is significantly increased.
- the course of the flow and thus the cooling effect is easier to calculate and also much less sensitive to a malposition of the fan.
- the area of the heat sink is to be seen, which is provided for the attachment of components.
- this base is at least approximately flat, since a particularly simple arrangement is achieved in which pre-assembled light-emitting diodes can be used for example on carrier plates. But also convex shaped bases are conceivable.
- the level is then the level at which the sum of the distances of the points of the base that are above the level are equal to the sum of the distances of the points of the base that are below the plane.
- the lighting device are arranged exclusively on a base of the heat sink, a particularly simple structure is achieved.
- the cooling medium flow extends substantially from one side surface of the lighting device to the opposite side surface of the lighting device.
- the cooling medium flow a particularly large distance between cooling medium inlet and cooling medium outlet from the lighting device is achieved and thus the re-suction heated cooling medium (so-called thermal short circuit) avoided.
- This is particularly advantageous when using ambient air as a cooling medium, since this is particularly difficult to control, in contrast to other cooling media.
- the outer boundaries of the illumination device are to be regarded as side surfaces, which are arranged perpendicular to a main emission direction of the light sources or perpendicular to a longitudinal axis of the illumination device. For retrofit lamps, these are usually the side walls, which are arranged between base and light source.
- the device for generating the cooling medium flow is arranged in a cavity of the heat sink, a particularly compact construction is achieved.
- the device for generating the cooling air flow is thus within the outer contour of the heat sink, is preferably even completely enclosed by the heat sink and thus particularly well protected against environmental influences.
- the heat sink expediently has cooling fins and / or cooling pins. This will maximize the surface swept by the flow of cooling media.
- suitable shaping of the cooling fins and / or cooling pins also the course of the cooling medium flow can be optimized
- cooling fins and / or cooling pins are arranged at least approximately parallel to a plane perpendicular to the base of the heat sink, it is ensured that the cooling medium flow in the desired direction and still a very good thermal connection of the cooling fins and / or cooling pins to the base of Heat sink is given.
- cooling fins and / or cooling pins are arranged approximately parallel to the plane of the base of the heat sink, the flow of the cooling medium flow is also performed in an advantageous manner.
- the heat sink has at least one side web.
- This side bar is particularly well suited to hold other components of the heat sink.
- a side bar can be used to attach the heat sink to other components.
- cooling fins and / or cooling pins are expediently arranged at least partially on the side web.
- cooling fins can also be arranged remotely from the base, which leads to improved heat dissipation, because there the temperature of the air flowing past is usually lower than near the base.
- the heat sink expediently has at least one second base.
- This base can serve more to absorb components to be cooled, such as other light sources.
- the second base is thermally operatively connected to at least one electrical circuit, preferably a driver circuit for operating at least one light source of the lighting device.
- a driver circuit for operating at least one light source of the lighting device.
- Such components can also develop considerable waste heat during operation and are thus effectively cooled by the heat sink.
- the heat sink serves as a link between the light source and driver circuitry, resulting in a compact and simple construction.
- the electrical circuit is arranged on the at least second base, since so a very simple structure is achieved.
- the device for generating the cooling medium flow is designed as an electrically operable fan, in particular as an axial fan or as a radial fan.
- Such fans are simple and effective.
- a ventilation device acting by means of a vibrating membrane or by means of accelerated ions may also be advantageous to use.
- the device for generating the cooling medium flow is arranged in a cavity of the cooling body.
- a compact construction is achieved and the device for generating the cooling medium flow reliably protected against environmental influences, in particular the penetration of foreign bodies or contact.
- the cavity at least partially having a square or circular cross-section, a simple shape is achieved, which is well suited in particular for receiving commercially available electric fan.
- the device for generating the cooling medium flow is arranged on at least one of the side webs, this is simply and reliably connected to the heat sink.
- the lighting device has at least one standard socket for inclusion in a standardized socket.
- the lighting device instead of another light source, such as a light bulb or a fluorescent lamp, for example, be installed in conventional lights.
- Retrofit lamps can be used instead of conventional incandescent lamps and are modeled in their external dimensions this. As a result, they must have a particularly compact design and function as possible in all mounting positions.
- retrofit lamps have the conventional incandescent lamp shape (bulb), but in particular so-called candle lamps or reflector lamps, ie lamps in which a directed light emission is achieved by means of a reflector, are to be understood as meaning.
- Line lamps, ie lamps with a linear extension can fall under it.
- FIG. 1 shows as a first embodiment of a lighting device 1 according to the invention a so-called LED retrofit lamp 1 in a lateral sectional image representation.
- the lamp 1 has a conventional screw base 2 (so-called. Edison thread), a driver electronics 3, a heat sink 4, LEDs (LED) 5 as a light source 5, and a piston 6, which protects the LEDs 5 from environmental influences.
- the outer contour of the retrofit lamp 1 is modeled on a conventional light bulb.
- the LEDs 5 are arranged on a first planar base 7 of the heat sink 4 and emit in the upper half-space.
- the heat sink 4 On the side facing away from the LED 5 8 of the first base 7, the heat sink 4 has two side bars 9, of which only the front is visible here.
- a second planar base 11 which carries the driver electronics 3 and thus serves for the cooling thereof, is arranged parallel thereto.
- the fan 13 is designed as an axial fan 13 and generates an air flow parallel to the plane of the base 7, the air from the left side penetrates into the lamp 1 and exits on the right side again.
- the lower part 14 of the lamp 1 is in FIG. 2 reproduced in a perspective view.
- the LEDs 5 are mounted on the upper base 7.
- the two side webs 9 and the axial fan 13 arranged in a cavity 15 of the heat sink 4 can be seen.
- the cooling fins 12 serve at the same time as protection of the fan 13 against contact and against the penetration of foreign bodies.
- the driver electronics 3 is for safety reasons arranged in a closed housing 16 made of an electrically insulating material.
- FIG. 3 shows the arrangement of such a lamp 1 in a suspension lamp 17, which consists essentially of a socket 18 and a lampshade 19.
- a suspension lamp 17 which consists essentially of a socket 18 and a lampshade 19.
- a and B the air flow of the sucked cold air (A) and the ejected heated air (B) symbolized. It can clearly be seen that a direct suction of the blown-out heated air is reliably prevented by the arrangement of the suction port 20 and the exhaust port 21 on opposite sides of the lamp 1.
- FIG. 4 shows three different configurations of the cavity 15, in which the axial fan 13 is disposed between the two side bars 9.
- the cavity 15 is used by the free air space in front of and behind the fan 13 to improve its efficiency and reduce noise.
- the cavity 15 in a plane parallel to the plane of the first base 7 has a circular cross-section.
- the cooling fins 12 are the same width over their entire circumference, which ensures good heat dissipation.
- Middle of the cross-section of the cavity 15 is square, which facilitates the installation of the fan 13 and also allows the use of fans 13 of different thickness d due to the large installation space.
- the cavity 15 in the present embodiment has a rectangular cross-section, since in this the fan 13 can be used well and a simple shaping facilitates the production of the heat sink 4. But there are also other cross-sectional shapes conceivable.
- FIG. 5 shows a further embodiment of a lighting device 1 according to the invention, also installed in a suspension lamp 17.
- the cooling fins 12 are mounted slightly obliquely, with the distance from the first base 7 decreases towards the outside.
- the air flow although in contrast to the previous embodiment no longer completely straight, but is still deflected by less than 90 °, ie less than in the lighting device according to the prior art.
- An advantage of this arrangement is the suction or ejection direction of the cooling air, which is directed away from the base 2 of the lamp 1, thereby causing a more effective cooling, in particular when using an open lampshade 19.
- FIG. 6 a further embodiment is shown in which the cooling fins 12 are not oriented parallel to the first base 7, but approximately perpendicular thereto. This can be dispensed with side bars 9. The arrangement of the cooling fins 12 approximately parallel to the desired air flow direction a good air flow and thus a good cooling effect is achieved.
- the arrangement of the cooling fins 12 may differ from those shown by, for example, also mixed forms with vertical and arranged parallel to the base 7 cooling fins 12 or the use of cooling pins are conceivable.
- the arrangement of the side webs 9 as well as the attachment of the fan 13 may vary.
- the person skilled in the art is also familiar with other devices for generating a cooling medium flow, in particular radial fans, systems based on a vibrating membrane or accelerated ions.
- Embodiments are also conceivable in which a second base 11 can be dispensed with because, for example, the driver electronics 3 are arranged on the base 7 carrying the LEDs 5.
- a thermal division of the heat sink 4 is conceivable, so that a heat transfer from the standing with the driver electronics 3 in operative connection part is suppressed or reduced to the standing with the light source 5 in operative connection part. As a result, a different degrees of cooling of the two components is possible.
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)
Claims (13)
- Dispositif d'éclairage (1) avec au moins un dissipateur thermique (4) et une base (7) destinée à recevoir au moins une source de lumière (5) ainsi qu'au moins un dispositif (13) assemblé au dispositif d'éclairage (1) pour la production d'un courant de fluide de refroidissement, en particulier d'un courant d'air, dans lequel le courant de fluide de refroidissement est principalement parallèle au plan de la base de préférence au moins approximativement plane (7) du dissipateur thermique (4), caractérisé en ce que le dispositif (13) pour la production du courant de fluide de refroidissement est disposé dans une cavité (15) du dissipateur thermique (4) et le courant de fluide de refroidissement se propage essentiellement d'une face latérale du dispositif d'éclairage à la face latérale opposée du dispositif d'éclairage.
- Dispositif d'éclairage selon la revendication 1, caractérisé en ce que le courant de fluide de refroidissement se propage essentiellement d'une face latérale du dispositif d'éclairage à la face latérale opposée du dispositif d'éclairage.
- Dispositif d'éclairage (1) selon l'une des revendications 1 ou 2, caractérisé en ce que le dissipateur thermique (4) présente des ailettes de refroidissement (12) et/ou des tiges de refroidissement.
- Dispositif d'éclairage (1) selon la revendication 3, caractérisé en ce que les ailettes de refroidissement (12) et/ou les tiges de refroidissement sont disposées au moins approximativement parallèlement à un plan perpendiculaire à la base (7) du dissipateur thermique (4).
- Dispositif d'éclairage (1) selon l'une des revendications 3 ou 4, caractérisé en ce que les ailettes de refroidissement (12) et/ou les tiges de refroidissement sont disposées approximativement parallèlement au plan de la base (7) du dissipateur thermique (4).
- Dispositif d'éclairage (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le dissipateur thermique (4) présente au moins une nervure latérale (9).
- Dispositif d'éclairage (1) selon la revendication 6, caractérisé en ce que les ailettes de refroidissement (12) et/ou les tiges de refroidissement sont disposées au moins en partie sur la nervure latérale (9).
- Dispositif d'éclairage (1) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le dissipateur thermique (4) présente au moins une deuxième base (11).
- Dispositif d'éclairage (1) selon la revendication 8, caractérisé en ce que la deuxième base (11) est en liaison active thermiquement avec au moins un circuit électrique (3), de préférence un circuit d'excitation (3) pour le fonctionnement d'au moins une source de lumière (5) du dispositif d'éclairage (1).
- Dispositif d'éclairage (1) selon l'une des revendications 8 ou 9, caractérisé en ce que le circuit électrique (3) est disposé sur ladite au moins une deuxième base (11).
- Dispositif d'éclairage (1) selon l'une quelconque des revendications 1 à 10, caractérisé en ce que la cavité (15) présente au moins localement une section transversale carrée ou circulaire.
- Dispositif d'éclairage (1) selon l'une quelconque des revendications 6 à 11, caractérisé en ce que le dispositif (13) pour la production du courant de fluide de refroidissement est disposé sur au moins une des nervures latérales (9).
- Dispositif d'éclairage (1) selon l'une quelconque des revendications 1 à 12, caractérisé en ce que le dispositif d'éclairage présente au moins un culot normalisé destiné à être logé dans une douille normalisée.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009011350A DE102009011350A1 (de) | 2009-03-05 | 2009-03-05 | Beleuchtungsvorrichtung mit mindestens einem Kühlkörper |
PCT/EP2010/052648 WO2010100169A1 (fr) | 2009-03-05 | 2010-03-03 | Dispositif d'éclairage avec au moins un radiateur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2404110A1 EP2404110A1 (fr) | 2012-01-11 |
EP2404110B1 true EP2404110B1 (fr) | 2016-08-17 |
Family
ID=42062602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10706629.2A Not-in-force EP2404110B1 (fr) | 2009-03-05 | 2010-03-03 | Dispositif d'eclairage avec au mois une dissipateur thermique |
Country Status (5)
Country | Link |
---|---|
US (1) | US9677753B2 (fr) |
EP (1) | EP2404110B1 (fr) |
CN (1) | CN102341649B (fr) |
DE (1) | DE102009011350A1 (fr) |
WO (1) | WO2010100169A1 (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010063550A1 (de) * | 2010-12-20 | 2012-06-21 | Tridonic Jennersdorf Gmbh | Kühlsystem und Verfahren für elektronische Komponenten |
WO2012147024A1 (fr) | 2011-04-29 | 2012-11-01 | Koninklijke Philips Electronics N.V. | Dispositif d'éclairage à del présentant une structure de dissipation de chaleur supérieure |
JP6042873B2 (ja) | 2011-04-29 | 2016-12-14 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 下位の熱散逸構造を具備するled照明装置 |
US9091402B2 (en) | 2012-03-28 | 2015-07-28 | Milwaukee Electric Tool Corporation | Area light |
US9157585B2 (en) | 2012-03-28 | 2015-10-13 | Milwaukee Electric Tool Corporation | Area light |
USD779694S1 (en) | 2013-08-27 | 2017-02-21 | Milwaukee Electric Tool Corporation | Portable light |
DK3254016T3 (da) | 2015-02-04 | 2020-01-20 | Milwaukee Electric Tool Corp | Lys |
US10378739B2 (en) | 2015-04-24 | 2019-08-13 | Milwaukee Electric Tool Corporation | Stand light |
US10775032B2 (en) | 2015-07-01 | 2020-09-15 | Milwaukee Electric Tool Corporation | Area light |
US10323831B2 (en) | 2015-11-13 | 2019-06-18 | Milwaukee Electric Tool Corporation | Utility mount light |
USD816252S1 (en) | 2016-05-16 | 2018-04-24 | Milwaukee Electric Tool Corporation | Light |
EP3260775B1 (fr) * | 2016-06-23 | 2019-03-13 | OSRAM GmbH | Dissipateur thermique, dispositif d'éclairage correspondant et procédé d'utilisation |
IT201900022209A1 (it) | 2019-11-26 | 2021-05-26 | Osram Gmbh | Lampada e procedimento corrispondente |
USD987167S1 (en) * | 2020-03-23 | 2023-05-23 | Osram Gmbh | Heatsink for a lamp |
DE102020203736A1 (de) | 2020-03-23 | 2021-09-23 | Osram Gmbh | Halbleiter-Retrofit-Fahrzeugscheinwerferlampe |
DE102020203733A1 (de) | 2020-03-23 | 2021-09-23 | Osram Gmbh | Reflektoroptik für eine Fahrzeug-Retrofit-Scheinwerferlampe |
DE102020203735A1 (de) | 2020-03-23 | 2021-09-23 | Osram Gmbh | Fahrzeug-Retrofit-Scheinwerferlampe mit einander zugewandten Reflektorbereichen |
DE102020130660A1 (de) | 2020-11-19 | 2022-05-19 | Osram Gmbh | Fahrzeug-retrofit-scheinwerferlampe mit halbleiterlichtquellen in matrixanordnung |
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KR100754405B1 (ko) * | 2006-06-01 | 2007-08-31 | 삼성전자주식회사 | 조명기구 |
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-
2009
- 2009-03-05 DE DE102009011350A patent/DE102009011350A1/de not_active Ceased
-
2010
- 2010-03-03 US US13/254,853 patent/US9677753B2/en not_active Expired - Fee Related
- 2010-03-03 WO PCT/EP2010/052648 patent/WO2010100169A1/fr active Application Filing
- 2010-03-03 EP EP10706629.2A patent/EP2404110B1/fr not_active Not-in-force
- 2010-03-03 CN CN201080010660.8A patent/CN102341649B/zh not_active Expired - Fee Related
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DE202007002751U1 (de) * | 2007-02-24 | 2007-04-26 | Chen, Bor-Jang, Pyng-Jenn City | Kühlvorrichtung einer Lampe |
EP2020569A2 (fr) * | 2007-08-01 | 2009-02-04 | odelo GmbH | Système de phare doté d'un dispositif de désembuage commandé et/ou réglé |
US20090052175A1 (en) * | 2007-08-24 | 2009-02-26 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | Led lamp with a heat dissipation device |
Also Published As
Publication number | Publication date |
---|---|
DE102009011350A1 (de) | 2010-09-09 |
US20120044707A1 (en) | 2012-02-23 |
US9677753B2 (en) | 2017-06-13 |
CN102341649A (zh) | 2012-02-01 |
CN102341649B (zh) | 2015-08-19 |
EP2404110A1 (fr) | 2012-01-11 |
WO2010100169A1 (fr) | 2010-09-10 |
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