CN101663531A - A heat-dissipating reflector for lighting device - Google Patents
A heat-dissipating reflector for lighting device Download PDFInfo
- Publication number
- CN101663531A CN101663531A CN200880000067A CN200880000067A CN101663531A CN 101663531 A CN101663531 A CN 101663531A CN 200880000067 A CN200880000067 A CN 200880000067A CN 200880000067 A CN200880000067 A CN 200880000067A CN 101663531 A CN101663531 A CN 101663531A
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- CN
- China
- Prior art keywords
- heat
- dissipating reflector
- truncated cone
- annular flange
- luminaire
- 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
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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
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/505—Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
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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
-
- 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
- F21K9/68—Details of reflectors forming part of the light source
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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
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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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
- F21V29/85—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]
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)
Abstract
A heat-dissipating reflector of a lighting device has a reflecting surfaces for reflecting light from a light emitting source of the lighting device, and a plurality of ventilation openings formed between the reflecting surfacesfor dissipating heat generated by the light emitting source.
Description
Technical field
The present invention relates to the heat-dissipating reflector of luminaire, as LED-based shot-light (spot lamp).
Background of invention
Traditional luminaire all comprises light reflecting device usually, and it is fixed on front/top and is used for illumination also comprising an independently heat abstractor to a direction that it is fixed on back/bottom and is used for heat is dispersed into another rightabout.But, the common complex structure of these traditional luminaires, manufacturing difficulty and very difficult effective light reflection and the heat dispersion realized.
Therefore, expectation can provide the luminaire of an improvement, its simple structure, is easy to make and can realizes effective light reflection and heat dispersion.
Summary of the invention
According to one aspect of the present invention, the heat-dissipating reflector of a luminaire is provided, it comprises a main body, contain a reflecting surface and a plurality of ventilating opening, reflecting surface is used for reflecting the light that the light emitting source by luminaire sends, a plurality of ventilating openings pass reflecting surface, are used for distributing the heat that is produced by light emitting source.
In an embodiment, main body comprises a truncated cone, and it has big end (major end) and a small end (minor end).Reflecting surface is to form on the circumferential surface of the truncated cone.
In an embodiment, main body has the reflecting surface of a plurality of horizontal and vertical arrangements, and with respect to light emitting source towards different angles, ventilating opening is to form between a plurality of reflecting surfaces with type of incision.
In an embodiment, main body also comprises an annular flange (flange) that forms on the big end of the truncated cone.Annular flange is positioned on the plane vertical with truncated cone central shaft.A plurality of extra ventilating openings are formed on and pass annular flange.Annular flange is thermally connected to outer cover (housing), and heat-dissipating reflector is fixed wherein.
Main body can pass through extrusion process (die-casting process) or metal injection moulding (metalinjection molding process) technology forms an integral body.Main body can be made by a kind of thermal conductive metallic material.
According to another aspect of the present invention, a luminaire that comprises light emitting source and heat radiation transmitter is provided, heat-dissipating reflector has a reflecting surface and a plurality of ventilating opening, reflecting surface is used for reflecting the light that is sent by light emitting source, a plurality of ventilating openings form and pass reflecting surface, are used for distributing the heat that is produced by light emitting source.In an embodiment, light emitting source is installed on the substrate, and it is installed in the inside of outer cover subsequently.Light emitting source may comprise a light emitting diode (LED).
According to another aspect of the present invention, a kind of method of making the heat-dissipating reflector of luminaire is provided, step comprises:
(a) provide a blank of making by thermal conductive metallic material; With
(b) carry out extrusion process to form a truncated cone, it has a reflecting surface and a plurality of ventilating opening that passes reflecting surface, and an annular flange, being formed with a plurality of extra ventilating openings on it, annular flange is positioned on the plane vertical with the central shaft of the big end of the truncated cone.
According to another aspect of the present invention, a kind of method of making the heat-dissipating reflector of luminaire is provided, step comprises:
(a) provide a mold (mold);
(b) provide a kind of metal mold material; With
(c) carry out metal injection moulding technology to form a truncated cone, it has a reflecting surface and a plurality of ventilating opening that passes reflecting surface, and an annular flange, being formed with a plurality of extra ventilating openings on it, annular flange is positioned on the plane vertical with the central shaft of the big end of the truncated cone.
Although shown and described heat-dissipating reflector, it is evident that others skilled in the art can make variation and the modification that is equal to it in case understand and understand the present invention with reference to some specific embodiment.The application comprises all this variation that is equal to and modifications, and is limited by the scope of this claim.
Description of drawings
Now, the specific embodiment that the application discloses is described by example and with reference to accompanying drawing, wherein:
Fig. 1 is the perspective view of the LED shot-light of an embodiment disclosing of the application;
Fig. 2 is the exploded view of Fig. 1 LED shot-light;
Fig. 3 is the perspective view of heat-dissipating reflector of the LED shot-light of an embodiment disclosing of the application;
Fig. 4 is the sectional view of the heat-dissipating reflector of LED shot-light; With
Fig. 5 is the sectional view that is similar to the heat-dissipating reflector in Fig. 4, shows the direction of air-flow and heat radiation.
Detailed Description Of The Invention
Now in detail with reference to a preferred embodiment that discloses in the application, its example also will be described following.The preferred embodiment that discloses in the application will be described in detail, and for the ease of narration, will can not show some to understanding the feature that heat-dissipating reflector is not a particular importance, and it will be apparent to those skilled in the art.
In addition, should be appreciated that heat-dissipating reflector is not subject to the accurate embodiment of the following stated, those skilled in the art can make variations and modifications to it, and do not break away from the scope of claim.For example, different element and/or the features of describing embodiment can mutually combine and/or the phase trans-substitution within the scope of the appended claims.
Referring now to accompanying drawing, Fig. 1 is the perspective view of the LED shot-light 10 of an embodiment disclosing of the application, and Fig. 2 is the exploded view of Fig. 1 LED shot-light.
LED shot-light 10 comprises a plug 12, lampshade 14, substrate 16, light emitting source 18 and photo-thermal or heat-dissipating reflector 20.
Fig. 3 is the perspective view of heat-dissipating reflector 20 of the LED shot-light 10 of an embodiment disclosing of the application, and Fig. 4 is the sectional view of heat-dissipating reflector 20.
According to described embodiment, heat-dissipating reflector 20 has a plurality of reflectings surface 32, is used for reflecting the light that produces from light emitting source 18, also has a plurality of ventilation otch 40 that pass reflecting surface 32, is used for distributing the heat that is produced by light emitting source 18.
According to described embodiment, heat-dissipating reflector 20 has a bullet of topping 22 usually, and it has 24 and small ends 26 of a big end, and annular flange 28 is positioned at the big end 24 of the truncated cone 22.Annular flange 28 is positioned on the plane vertical with the central shaft of the truncated cone 22.
Heat-dissipating reflector 20 can form an integral body by extrusion process or metal injection moulding technology.Perhaps, the truncated cone 22 and the annular flange of heat-dissipating reflector 20 can be made respectively, and then link together.
Heat-dissipating reflector 20 can be made by thermal conductive metallic material, as aluminium alloy.
A plurality of reflectings surface 32 are formed on the inner circular side face 30 of the truncated cone 22.According to described embodiment, inner circular side face 30 forms row and column about light emitting source 18 with different angles.The row of reflecting surface 32 is the expansion continuity between the big end 24 of the truncated cone 22 and small end 26.The row of reflecting surface 32 are then around inner circular side face 20.
Although shown that in described embodiment heat-dissipating reflector 20 has the shape of a truncated cone, and a plurality of reflectings surface 32 are multiaspect (multi-facet) surfaces, it will be understood to those of skill in the art that heat-dissipating reflector 20 can be an Any shape, can adopt any suitable reflecting surface.For example, reflecting surface 32 can be a level and smooth parabolic surface.
A plurality of ventilation otch 40 are arranged on the truncated cone 22.A plurality of ventilation otch 40 can form between a plurality of reflectings surface 32, and pass a plurality of reflectings surface 32.Ventilation otch 40 extends, and separates each other and around the truncated cone 22.
On the annular flange 28 of the heat-dissipating reflector 20 of the big end 24 of the close truncated cone 22, there are a plurality of extra ventilating openings 50 to form and pass.The size of ventilating opening 50 can be bigger than ventilation otch 40.
Fig. 5 is the sectional view that is similar to the heat-dissipating reflector of Fig. 4, shows the direction of air-flow and heat radiation.
The heat that light emitting source 18 produces can by ventilation otch 40 and extra ventilating opening 50 as shown by arrows direction distribute only identical directions that it is indicated with reflecting surface 32 usually.
With reference to preferred embodiment,, should be understood that and to make various changes or correction to it, and can not break away from the scope of accessory claim though shown and described heat-dissipating reflector.
Claims (21)
1. luminaire comprises:
A light emitting source; With
A heat-dissipating reflector, it has a plurality of reflecting surfaces to be used for reflecting the light that sends from described light emitting source, and has a plurality of ventilating openings to be used for distributing the heat that is produced by described light emitting source, and wherein said ventilating opening is to form between described a plurality of reflecting surfaces with type of incision.
2. luminaire according to claim 1, wherein said heat-dissipating reflector comprise a truncated cone, and it has a big end and a small end, and described reflecting surface is to form on the circumferential surface of the described truncated cone.
3. luminaire according to claim 2, wherein said heat-dissipating reflector also comprise an annular flange that forms on the described big end of the described truncated cone, described annular flange is positioned on the plane vertical with the central shaft of the described truncated cone.
4. luminaire according to claim 3, wherein a plurality of extra ventilating openings are formed on and pass described annular flange.
5. luminaire according to claim 1, wherein said heat-dissipating reflector are to form by extrusion process.
6. luminaire according to claim 1, wherein said heat-dissipating reflector are to form by metal injection moulding technology.
7. luminaire according to claim 1, wherein said heat-dissipating reflector are made into an integral body.
8. luminaire according to claim 1, wherein said heat-dissipating reflector are to be made by a kind of thermal conductive metallic material.
9. luminaire according to claim 3, also comprise a lampshade, described light emitting source is installed on the substrate, and it is installed in the inside of described lampshade then, wherein said annular flange is thermally connected to described lampshade, and it is a main radiator structure of described luminaire.
10. luminaire according to claim 1, wherein said light emitting source comprise a light emitting diode.
11. the heat-dissipating reflector of a luminaire, described heat-dissipating reflector comprises a main body, it has a reflecting surface to be used for reflecting the light that sends from the light emitting source of luminaire, and has a plurality of ventilating openings that pass described reflecting surface to be used for distributing the heat that is produced by described light emitting source.
12. heat-dissipating reflector according to claim 11, wherein said main body comprise a truncated cone, it has a big end and a small end, and described reflecting surface is to form on the circumferential surface of the described truncated cone.
13. heat-dissipating reflector according to claim 12, wherein said main body has a plurality of reflecting surfaces, and described ventilating opening is to form between described a plurality of reflecting surfaces with type of incision.
14. heat-dissipating reflector according to claim 12, wherein said main body also comprises an annular flange that forms on the described big end of the described truncated cone, described annular flange is positioned on the plane vertical with the central shaft of the described truncated cone, and described annular flange is thermally connected to a lampshade, and described heat-dissipating reflector is mounted wherein.
15. heat-dissipating reflector according to claim 11, wherein a plurality of extra ventilating openings form and pass described annular flange.
16. heat-dissipating reflector according to claim 11, wherein said main body are to form by extrusion process.
17. heat-dissipating reflector according to claim 11, wherein said main body are to form by metal injection moulding technology.
18. heat-dissipating reflector according to claim 11, wherein said main body are made into an integral body.
19. heat-dissipating reflector according to claim 11, wherein said main body are to be made by a kind of thermal conductive metallic material.
20. a method of manufacturing the heat-dissipating reflector of luminaire, step comprises:
A blank of being made by thermal conductive metallic material (blank) is provided; With
Carry out extrusion process to form a truncated cone, it has a reflecting surface and a plurality of ventilating opening that passes described reflecting surface, and an annular flange arranged, the extra ventilating opening that a plurality of formation are arranged on it, described annular flange are positioned on the plane vertical with the central shaft of the big end of the described truncated cone.
21. a method of manufacturing the heat-dissipating reflector of luminaire, step is as follows:
A mold is provided;
A kind of metal mold material is provided; With
Carry out metal injection moulding technology to form a truncated cone, it has a reflecting surface and a plurality of ventilating opening that passes described reflecting surface, and an annular flange arranged, the extra ventilating opening that a plurality of formation are arranged on it, described annular flange are positioned on the plane vertical with the central shaft of the big end of described truncated cone body.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2008/071861 WO2010015114A1 (en) | 2008-08-04 | 2008-08-04 | A heat-dissipating reflector for lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101663531A true CN101663531A (en) | 2010-03-03 |
| CN101663531B CN101663531B (en) | 2012-09-05 |
Family
ID=41663274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008800000678A Active CN101663531B (en) | 2008-08-04 | 2008-08-04 | A heat-dissipating reflector for lighting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101663531B (en) |
| WO (1) | WO2010015114A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954381A (en) * | 2012-11-10 | 2013-03-06 | 大连日盛实业有限公司 | Aluminum post grooved copper-aluminum composite high-power radiator LED (Light-Emitting Diode) lamp |
| CN104728636A (en) * | 2015-03-06 | 2015-06-24 | 浙江生辉照明有限公司 | LED lamp |
| CN107327772A (en) * | 2016-04-06 | 2017-11-07 | 通用电气公司 | Heat-dissipating reflector for LED lamp |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6491413B1 (en) * | 2000-07-31 | 2002-12-10 | Lusa Lighting International | High voltage (line) under-cabinet lighting fixture |
| JP2004127751A (en) * | 2002-10-03 | 2004-04-22 | Ssec Kk | Floodlight |
| JP4107045B2 (en) * | 2002-10-16 | 2008-06-25 | 岩崎電気株式会社 | Short arc discharge lamp device |
| JP2004158447A (en) * | 2002-10-18 | 2004-06-03 | Matsushita Electric Ind Co Ltd | Lamp with reflection mirror, and image projection device |
| CN2588189Y (en) * | 2002-12-30 | 2003-11-26 | 苏柏兴 | Double corrugated reflection glass cup shape lampshade combination lamp casing with radiation holes for motorcycle |
| JP4333375B2 (en) * | 2004-01-27 | 2009-09-16 | パナソニック電工株式会社 | Recessed ceiling fluorescent lighting |
| CN100520159C (en) * | 2004-06-16 | 2009-07-29 | 奥斯兰姆施尔凡尼亚公司 | LED lamp and lamp reflector assembly |
| CN2775466Y (en) * | 2005-01-07 | 2006-04-26 | 沈伟宏 | Projection lamp |
| JP4600752B2 (en) * | 2005-02-18 | 2010-12-15 | カシオ計算機株式会社 | Lamp unit and projector provided with lamp unit |
| JP2007305460A (en) * | 2006-05-12 | 2007-11-22 | Ushio Inc | Lamp device |
| CN201053622Y (en) * | 2007-06-05 | 2008-04-30 | 许明舜 | Projector lamp structure |
-
2008
- 2008-08-04 CN CN2008800000678A patent/CN101663531B/en active Active
- 2008-08-04 WO PCT/CN2008/071861 patent/WO2010015114A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954381A (en) * | 2012-11-10 | 2013-03-06 | 大连日盛实业有限公司 | Aluminum post grooved copper-aluminum composite high-power radiator LED (Light-Emitting Diode) lamp |
| CN104728636A (en) * | 2015-03-06 | 2015-06-24 | 浙江生辉照明有限公司 | LED lamp |
| CN107327772A (en) * | 2016-04-06 | 2017-11-07 | 通用电气公司 | Heat-dissipating reflector for LED lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010015114A1 (en) | 2010-02-11 |
| CN101663531B (en) | 2012-09-05 |
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