CN202092072U - LED (light-emitting diode) bulb with heat sink - Google Patents
LED (light-emitting diode) bulb with heat sink Download PDFInfo
- Publication number
- CN202092072U CN202092072U CN2011201399171U CN201120139917U CN202092072U CN 202092072 U CN202092072 U CN 202092072U CN 2011201399171 U CN2011201399171 U CN 2011201399171U CN 201120139917 U CN201120139917 U CN 201120139917U CN 202092072 U CN202092072 U CN 202092072U
- Authority
- CN
- China
- Prior art keywords
- heat abstractor
- thermal component
- louvre
- led
- led bulb
- 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.)
- Expired - Fee Related
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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
- F21V29/83—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
- 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
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- 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
The utility model provides an LED (light-emitting diode) bulb with a heat sink, which can ensure that the heat generated by an LED light source is thermally exchanged with the outside immediately, thereby having the advantages of lower cost, better performance and long service life. The LED bulb is realized by the following technical scheme that the LED bulb comprises an LED light source, a heat sink and a lamp holder, wherein the heat sink comprises a bottom heat dissipation part and a top heat dissipation part; the LED light source is positioned in an inner cavity defined by the bottom heat dissipation part and the top heat dissipation part; the LED light source is jointed with the bottom heat dissipation part; both the bottom heat dissipation part and the top heat dissipation part are respectively provided with a plurality of heat dissipation holes; and the lamp holder is positioned at the top of the top heat dissipation part. The cold air outside the bulb is thermally exchanged with the outer surface and the inner surface of the heat sink ceaselessly to form reasonable combination of conduction, radiation and air convection; and the outer surface and the inner surface of the heat sink are effectively utilized to form the heat dissipation of two channels without additionally adopting any accessory.
Description
Technical field
The utility model belongs to the LED lighting technical field, relates in particular to a kind of high-power LED bulb heat radiation field, specifically a kind of LED bulb that has heat abstractor.
Background technology
Along with the progressively enforcement of national planning energy-saving and emission-reduction policy, important role is being played the part of in the emerging LED illumination of illuminating industry.Green, environmental protection, the energy-conservation synonym that has become with LED the light fixture bulb that is light emitting source, but simultaneously in use as light source and light fixture, the high heat that LED work is produced is a key factor of restriction LED performance, and the radiator structure of LED lamp and heat abstractor formula become a lot of stakeholders' research topic.
In the prior art, adopt the led light source module to combine more and carry out radiating treatment with die casting, extrudate.This mode is no doubt effective, but this method makes lamp interior assemble a large amount of hot-airs, heat very promptly can't be transferred in the extraneous air, makes light source topotype group leader the time be in hot environment, is unfavorable for the life-span of product.Address this problem and require the increase area of dissipation, but meanwhile can increase the weight and the processing technology of material, make whole lamp weight and cost obviously improve; Again or adopt technology such as fan, heat pipe to improve the heat exchange performance of products, but still might be because the actual cube of wanting of LED bulb is less than normal, and can't require by the detection of security legislation to cause not can manufacture, moreover consider that from the angle of cost performance technology such as employing fan, heat pipe neither optimal selection mode.
Summary of the invention
The purpose of this utility model is to provide a kind of LED bulb that has heat abstractor, the heat that led light source produces can be carried out heat exchange with the external world in time, makes that product cost is lower, performance is more excellent, has prolonged the service life of product.
The utility model is achieved through the following technical solutions:
A kind of LED bulb that has heat abstractor includes led light source, heat abstractor and lamp socket; Wherein, described heat abstractor includes bottom thermal component and top thermal component, and led light source is arranged in the bottom thermal component and the top thermal component surrounds the inner chamber that forms; Led light source and bottom thermal component fit; Described bottom thermal component and top thermal component are provided with a plurality of louvres; Lamp socket is positioned at the top of top thermal component.
The beneficial effects of the utility model are as follows:
The utility model provides a kind of LED bulb that has heat abstractor, heat results from led light source, discharge heat by heat conducting mode through bottom thermal component in the heat abstractor and top thermal component, the cold air of bulb outside outer inner surface continuous and heat abstractor carries out heat exchange; Simultaneously, bottom thermal component and top thermal component are provided with a plurality of louvres, form the reasonable combination of conduction, radiation, cross-ventilation three unification, advantage of the present utility model is to increase any accessory, effectively utilize the surfaces externally and internally of heat abstractor to form twin-channel radiating mode, under the situation that does not increase LED bulb volume and weight, effectively solve the heat dissipation problem of high-capacity LED bulb, improve the performance of LED bulb and the life-span of prolongation bulb.
Description of drawings
Fig. 1 is a kind of structural representation that has the LED bulb of heat abstractor of the utility model;
Fig. 2 is a kind of heat dissipation channel one schematic diagram that has the LED bulb of heat abstractor of the utility model;
Fig. 3 is a kind of heat dissipation channel two schematic diagrames that have the LED bulb of heat abstractor of the utility model.
Description of reference numerals:
11, reflecting part, 121, led light source, 122, the heat conductive insulating medium, 13, heat abstractor, 131, louvre, the combination of 132, second louvre, the combination of the 133, the 3rd louvre, the combination of 134, first louvre, 135, radiator, 136, shell, 14, lamp socket.
The specific embodiment
The utility model discloses a kind of LED bulb that has heat abstractor, as shown in Figure 1, 2, 3, include led light source 121, heat abstractor 13 and lamp socket 14; Wherein, described heat abstractor 13 includes bottom thermal component and top thermal component, and led light source 121 is arranged in the bottom thermal component and the top thermal component surrounds the inner chamber that forms; Led light source 121 fits with the bottom thermal component; Described bottom thermal component and top thermal component are provided with a plurality of louvres; Lamp socket 14 is positioned at the top of top thermal component.
Described bottom thermal component adopts sheet metal to make, and is monomer or many bodies combiner; Surface Machining has the regular ridge design that increases area of dissipation.
Described top thermal component is made by the insulation material.
Described led light source 121 adopts the support array structure, comprises the led chip more than.
Described bottom thermal component includes the heat conductive insulating medium 122 and the radiator 135 that is connected with heat conductive insulating medium 122 that fits and install with led light source 121; The top thermal component includes shell 136, and radiator 135 and shell 136 fasten the inner sealing chamber that forms the LED bulb mutually.
Described LED bulb includes reflecting part 11, is positioned at the bottom.
The edge of described radiator 135 is provided with one group of a plurality of louvre 131, arranges by the circular array mode.
On the sidewall of described shell 136, be provided with the combination of many group louvres, every group of louvre combination includes a plurality of louvres.
Preferably, the sidepiece of described shell 136 is provided with three groups of louvre combinations: first louvre combination, 134, second louvre combination the 132 and the 3rd louvre combination 133; Every group of louvre combination all arranged by the circular array mode, and three groups of louvre combinations are positioned on the different elevation plane.
LED bulb of the present utility model; The bottom thermal component passes through various processing technologys or monomer or many bodies by sheet metal and combines, and itself and led light source fit and have a plurality of louvres, and the regular ridge design of its Surface Machining is to increase area of dissipation; The top thermal component is made by the insulation material and is also had louvre, and these louvres form convection channel in the top and the bottom of heat abstractor, thereby form twin-channel heat radiation.Wherein passage one be the light source module to the heat abstractor outer surface, allow a part of heat leave by conduction, radiation, cross-ventilation; Wherein passage two is the heat abstractor inner surface, form air convection channel by heat abstractor top drilling and bottom opening, allow cold air come in from the bottom opening of heat abstractor, hot-air is discharged from the top steam vent of heat abstractor, forms the cold-hot air convection circulation.Be specially: heat results from the led light source 121 of support array, by the radiator 135 of heat conducting mode in heat conductive insulating medium 122, heat abstractor, the shell 136 in the heat abstractor, in this process, heat radiation and cross-ventilation begin heat radiation simultaneously.The cold air of bulb outside outer surface continuous and heat abstractor 13 carries out heat exchange, and the hot-air of bulb inside rises simultaneously, the cold air bottom opening 131 from heat abstractor that drives the bulb outside enters bulb inside, from the perforate 132 and 133,134 at heat abstractor top, flow out again, and then make the inner surface of heat abstractor participate in heat exchange, improve heat transfer rate.Advantage of the present utility model is to increase any accessory, effectively utilize the surfaces externally and internally of heat abstractor to form twin-channel heat radiation, under the situation that does not increase LED bulb volume and weight, effectively solve the heat radiation of high-capacity LED bulb, improve the performance of LED bulb and the life-span of prolongation bulb.This radiating mode makes that product cost is lower, performance is more excellent, and then quickens one's step for the LED bulb enters the ordinary people man.
Above-mentioned listed specific implementation is nonrestrictive, and to one skilled in the art, in not departing from the utility model scope, various improvement and the variation carried out all belong to protection domain of the present utility model.
Claims (10)
1. a LED bulb that has heat abstractor is characterized in that: include led light source (121), heat abstractor (13) and lamp socket (14); Wherein, described heat abstractor (13) includes bottom thermal component and top thermal component, and led light source (121) is arranged in the bottom thermal component and the top thermal component surrounds the inner chamber that forms; Led light source (121) fits with the bottom thermal component; Described bottom thermal component and top thermal component are provided with a plurality of louvres; Lamp socket (14) is positioned at the top of top thermal component.
2. a kind of LED bulb that has heat abstractor as claimed in claim 1 is characterized in that: described bottom thermal component adopts sheet metal to make, and is monomer or many bodies combiner; Surface Machining has the regular ridge design that increases area of dissipation.
3. a kind of LED bulb that has heat abstractor as claimed in claim 1 is characterized in that: described top thermal component is made by the insulation material.
4. a kind of LED bulb that has heat abstractor as claimed in claim 1 is characterized in that: described led light source (121) adopts the support array structure, comprises the led chip more than.
5. as each described a kind of LED bulb that has heat abstractor in the claim 1 to 4, it is characterized in that: described bottom thermal component includes the heat conductive insulating medium (122) and the radiator (135) that is connected with heat conductive insulating medium (122) that fits and install with led light source (121); The top thermal component includes shell (136), and radiator (135) and shell (136) fasten the inner sealing chamber that forms the LED bulb mutually.
6. a kind of LED bulb that has heat abstractor as claimed in claim 5, it is characterized in that: described LED bulb includes reflecting part (11), is positioned at the bottom.
7. a kind of LED bulb that has heat abstractor as claimed in claim 5 is characterized in that: the edge of described radiator (135), be provided with one group of a plurality of louvre (131), and arrange by the circular array mode.
8. a kind of LED bulb that has heat abstractor as claimed in claim 7 is characterized in that: on the sidewall of described shell (136), be provided with the combination of many group louvres, every group of louvre combination includes a plurality of louvres.
9. a kind of LED bulb that has heat abstractor as claimed in claim 8, it is characterized in that: the sidepiece of described shell (136) is provided with three groups of louvre combinations: first louvre combination (134), second louvre combination (132) and the 3rd louvre combination (133); Every group of louvre combination all arranged by the circular array mode, and three groups of louvre combinations are positioned on the different elevation plane.
10. a kind of LED bulb that has heat abstractor as claimed in claim 9, it is characterized in that: first louvre combination (134) is positioned at the bottom of shell (136), the middle part that second louvre combination (132) is positioned at shell (136) is the position on the upper side, and the 3rd louvre combination (133) is positioned at the top of shell (136).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201399171U CN202092072U (en) | 2011-05-05 | 2011-05-05 | LED (light-emitting diode) bulb with heat sink |
| PCT/CN2011/082606 WO2012149823A1 (en) | 2011-05-05 | 2011-11-22 | Led light bulb with heat dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201399171U CN202092072U (en) | 2011-05-05 | 2011-05-05 | LED (light-emitting diode) bulb with heat sink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202092072U true CN202092072U (en) | 2011-12-28 |
Family
ID=45367139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201399171U Expired - Fee Related CN202092072U (en) | 2011-05-05 | 2011-05-05 | LED (light-emitting diode) bulb with heat sink |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202092072U (en) |
| WO (1) | WO2012149823A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434865A (en) * | 2011-12-31 | 2012-05-02 | 上海旗升电气有限公司 | Lamp shell with air flow diversion cooling effect |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101424394B (en) * | 2007-11-02 | 2010-09-08 | 富准精密工业(深圳)有限公司 | Heat radiating device and led lamp using the same |
| TW201013106A (en) * | 2008-09-26 | 2010-04-01 | Foxconn Tech Co Ltd | Light emitting diode lamp |
| CN201348229Y (en) * | 2009-01-13 | 2009-11-18 | 林大伟 | High-efficiency heat radiation structure |
| CN201382280Y (en) * | 2009-01-23 | 2010-01-13 | 周焕球 | LED illumination device |
| CN201739830U (en) * | 2010-06-23 | 2011-02-09 | 巨燊科技有限公司 | LED light fixture with flow guiding function |
| CN201757391U (en) * | 2010-08-13 | 2011-03-09 | 苏州滕艺科技有限公司 | LED lighting fixture and radiating structure thereof |
-
2011
- 2011-05-05 CN CN2011201399171U patent/CN202092072U/en not_active Expired - Fee Related
- 2011-11-22 WO PCT/CN2011/082606 patent/WO2012149823A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434865A (en) * | 2011-12-31 | 2012-05-02 | 上海旗升电气有限公司 | Lamp shell with air flow diversion cooling effect |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012149823A1 (en) | 2012-11-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Bengbu Dehao Photoelectric Science & Technology Co., Ltd. Assignor: Guangdong Electech International Inc. Contract record no.: 2012340000308 Denomination of utility model: LED (light-emitting diode) bulb with heat sink Granted publication date: 20111228 License type: Exclusive License Record date: 20120816 |
|
| ASS | Succession or assignment of patent right |
Owner name: BENGBU DEHAO PHOTOELECTRIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: GUANGDONG ELECTECH INTERNATIONAL INC. Effective date: 20131112 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 519000 ZHUHAI, GUANGDONG PROVINCE TO: 233000 BENGBU, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131112 Address after: 233000, No. 1559, Yanshan Road, Bengbu, Anhui (8 floor of China Merchants Building) Patentee after: Bengbu Dehao Photoelectric Science & Technology Co., Ltd. Address before: 519000 Guangdong city of Zhuhai Province Tang Jia Wan Jin Feng Lu No. 1 Patentee before: Guangdong Electech International Inc. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20160505 |