CN201269511Y - LED lamp with improved heat radiation structure - Google Patents
LED lamp with improved heat radiation structure Download PDFInfo
- Publication number
- CN201269511Y CN201269511Y CNU2008202019106U CN200820201910U CN201269511Y CN 201269511 Y CN201269511 Y CN 201269511Y CN U2008202019106 U CNU2008202019106 U CN U2008202019106U CN 200820201910 U CN200820201910 U CN 200820201910U CN 201269511 Y CN201269511 Y CN 201269511Y
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- CN
- China
- Prior art keywords
- led lamp
- radiator
- heat
- fin
- heat dissipation
- 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
Links
- 230000005855 radiation Effects 0.000 title abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims abstract description 10
- 230000001154 acute effect Effects 0.000 claims description 3
- 241001465382 Physalis alkekengi Species 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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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
- F21K9/233—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
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- 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)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model belongs to the technical field of the LED heat dissipation, specifically an improve heat radiation structure's LED lamps and lanterns, including LED lamp and radiator, the radiator includes a plurality of buckles in proper order and arranges into annular fin, and the fin includes buckling part and extension portion, and extension portion is the camber extension face of buckling part, and the buckling part of each fin buckles in proper order mutually, and in the radiator was located to the LED lamp, its characterized in that: the radiator comprises a columnar heat collection block, and the LED lamp comprises a single or a plurality of LED chips welded on the bottom surface of the heat collection block; the inner side of the buckling part of the fin is provided with a lower folded edge bent at 90 degrees, the lower folded edge of the adjacent fin forms a cylindrical contact surface, and the side surface of the heat collection block is tightly matched with the contact surface. The heat-absorbing and heat-storing capacity of the radiator is expanded by utilizing the heat-collecting block, high-speed air convection is formed among the fins of the radiator to quickly dissipate heat, so that heat steps are avoided, the service life of the LED lamp holder is greatly prolonged, and the LED lamp holder is more suitable for application of high-power LEDs.
Description
Technical field
The utility model belongs to LED heat dissipation technology category, specifically is a kind of LED light fixture that improves radiator structure.
Background technology
Widely used LED light fixture generally only comprises the power supply sleeve and in order to carry the aluminium base of a LED lamp and a heat radiation purposes, by aluminium base the heat that the LED light fixture sends is dispersed at present, mainly is to utilize the air heat radiation.And such mode radiating effect is unsatisfactory, the effective high temperature of diverging LED light fixture itself, thereby make components and parts life-span Yin Gaowen and shorten, and the exploitation of having limited to high-power LED lamp is used.For remedying the deficiencies in the prior art, common improved procedure is to set up radiator structure such as radiating fin in power supply sleeve periphery to reach the purpose of heat being done the rapid diffusion discharging.But along with the continuous progress of high-power LED lamp, more and more higher to the performance requirement of radiator structure, must constantly break through the application that its technology barriers could satisfy the LED light fixture.
The utility model content
The utility model has proposed a kind of LED light fixture that improves radiator structure in order further to improve the heat dispersion of LED light fixture in conjunction with calorifics and hydrodynamics.
For achieving the above object, the utility model has adopted following technical scheme:
Improve the LED light fixture of radiator structure, comprise LED lamp 1 and radiator 2, radiator 2 comprises a plurality of fins 21 that interlock successively and be arranged in ring-type, fin 21 comprises snapping portion 211 and extension 212, extension 212 is the camber plane of flattening of snapping portion 211, and the snapping portion 211 of each fin 21 interlocks successively, and LED lamp 1 is located in the radiator 2, radiator 2 comprises the heat-collecting block 22 of column, and LED lamp 1 comprises single or the plurality of LEDs chip that is welded in heat-collecting block 22 bottom surfaces; Snapping portion 211 inboards of fin 21 are provided with the lower hem 210 that is 90 degree bendings, and in the radiator 2 of assembling moulding, the lower hem 210 of adjacent fin 21 constitutes a tubular contact-making surface, and the side and the contact-making surface of heat-collecting block 22 closely cooperate.Heat-collecting block 22 itself adopts the heat conductivility good metal, and has certain thickness, can the effective at a high speed caloric value with LED lamp 1 collect, and dispels the heat rapidly by the contact-making surface with radiator 2.
As improvement of the technical scheme, lower hem 210 surfaces have the curvature that cooperates heat-collecting block 22, and contact-making surface cooperates tight heat dispersion good more with the side of heat-collecting block 22 more.
As improvement of the technical scheme, the included angle A of the tangent plane of cambered surface and snapping portion 211 is 37 to 40 degree on the extension 212.In this scope, fin 21 is difficult for forming hot ladder, and heat radiation is even, is more conducive to form the cyclone heat radiation.
As improvement of the technical scheme, fin 21 is provided with discharge orifice 213, makes the heat distribution between the fin 21 average, and heat dispersion is more stable.
As improvement of the technical scheme, discharge orifice 213 edges one side is provided with flanging 214, after fin 21 interlocked successively and is arranged in ring-type, flanging 214 cooperated discharge orifice 213 formations one ring-type guiding gutter, promoted the efficient of cross-ventilation heat radiation.
As improvement of the technical scheme, snapping portion 211 inboards of fin 21 also are provided with upper hem 215, and upper hem 215 is an acute angle with the angle of snapping portion 211, and in the radiator 2 of assembling moulding, the upper hem 215 of adjacent fin 21 constitutes the air grid of flap type.See through air grid, the part heat that lamp power produces can directly be dispersed in the air, reduces radiator 2 operating pressures.
As improvement of the technical scheme, radiator 2 bottoms are provided with lens assembly 3 and face shield 4 successively, lens assembly 3 cooperates with LED lamp 1, be fastened on radiator 2 belows, 4 of face shields are fastened on radiator 2 bottom supporting lens assemblies 3, face shield 4 is provided with the air inlet 41 of a plurality of cooperation radiators 2, and air inlet 41 is that the strip opening also can be star-like or other configured openings.During radiator 2 work, its inner hot-air rises with fin and gets rid of, and cold air enters from air inlet 41, and can obtain bigger air pressure and flow velocity, quickens heat radiation by high efficiency convection current.
As improvement of the technical scheme, the extension 212 outer downsides of fin 21 are provided with recessed breach 216, and face shield 4 is fastened on the radiator 2 by breach 216.Just permanent set after face shield 4 assembling is finished, to the edge of fin 21 having played good protection, profile is also more attractive in appearance.
The beneficial effects of the utility model are: utilize heat-collecting block to expand the heat absorption heat storage capacity of radiator, forming cross-ventilation at a high speed between the fin of radiator distributes heat rapidly, avoid producing hot ladder, improve the service life of LED lamp holder greatly, be fit to the application of great power LED more.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a STRUCTURE DECOMPOSITION schematic diagram of the present utility model;
Fig. 3 is the structural representation of the utility model radiator;
Fig. 4 is the schematic appearance of the utility model fin.
Fig. 5 is the structural representation of the utility model fin.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the structural representation of embodiment one of the present utility model.
Fig. 8 is the structural representation of embodiment two of the present utility model.
Fig. 9 is the structural representation of embodiment three of the present utility model.
The specific embodiment
The set specification drawings and specific embodiments are described further the utility model below, but the scope that the utility model is protected is not limited thereto, any technology enlightenment that obtains in view of the above and improve and all belong to protection category of the present utility model.
Arrive shown in Figure 6 as Fig. 1, improve the LED light fixture of radiator structure, comprise LED lamp 1 and radiator 2, radiator 2 comprises a plurality of fins 21 that interlock successively and be arranged in ring-type, and fin 21 comprises snapping portion 211 and extension 212, and extension 212 is the camber plane of flattening of snapping portion 211, the snapping portion 211 of each fin 21 interlocks successively, LED lamp 1 is located in the radiator 2, and radiator 2 comprises the heat-collecting block 22 of column, and LED lamp 1 comprises single or the plurality of LEDs chip that is welded in heat-collecting block 22 bottom surfaces; Snapping portion 211 inboards of fin 21 are provided with the lower hem 210 that is 90 degree bendings, and in the radiator 2 of assembling moulding, the lower hem 210 of adjacent fin 21 constitutes a tubular contact-making surface, and the side and the contact-making surface of heat-collecting block 22 closely cooperate.Heat-collecting block 22 itself adopts the heat conductivility good metal, and has certain thickness, can the effective at a high speed caloric value with LED lamp 1 collect, and dispels the heat rapidly by the contact-making surface with radiator 2.
The included angle A of the tangent plane of cambered surface and snapping portion 211 is 37 to 40 degree on the extension 212.In this scope, fin 21 is difficult for forming hot ladder, and heat radiation is even, is more conducive to form the cyclone heat radiation.
Snapping portion 211 inboards of fin 21 also are provided with upper hem 215, and upper hem 215 is an acute angle with the angle of snapping portion 211, and in the radiator 2 of assembling moulding, the upper hem 215 of adjacent fin 21 constitutes the air grid of flap type.See through air grid, the part heat that lamp power produces can directly be dispersed in the air, reduces radiator 2 operating pressures.
The extension 212 outer downsides of fin 21 are provided with recessed breach 216, and face shield 4 is fastened on the radiator 2 by breach 216.Just permanent set after face shield 4 assembling is finished, to the edge of fin 21 having played good protection, profile is also more attractive in appearance.
Be embodiment one of the present utility model as shown in Figure 7, wherein lens assembly 3 comprises a plurality of lens that mate one by one with led chip, lens directly are assemblied on the led chip, also can use the integrated installation of framework, 4 of face shields are fastened on radiator 2 bottom supporting lens assemblies 3, face shield 4 is provided with the air inlet 41 of a plurality of cooperation radiators 2, and air inlet 41 is strip openings.
Be embodiment two of the present utility model as shown in Figure 8, wherein lens assembly 3 comprises a plurality of lens that mate one by one with led chip, lens directly are assemblied on the led chip, also can use the integrated installation of framework, 4 of face shields are fastened on radiator 2 bottom supporting lens assemblies 3, face shield 4 is provided with the air inlet 41 of a plurality of cooperation radiators 2, and air inlet 41 is star-like openings.
Be embodiment three of the present utility model as shown in Figure 9, wherein lens assembly 3 comprises a convex lens, and 4 of face shields are fastened on radiator 2 bottom supporting lens assemblies 3, and face shield 4 is provided with the air inlet 41 of a plurality of cooperation radiators 2, and air inlet 41 is strip openings.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202019106U CN201269511Y (en) | 2008-10-15 | 2008-10-15 | LED lamp with improved heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202019106U CN201269511Y (en) | 2008-10-15 | 2008-10-15 | LED lamp with improved heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201269511Y true CN201269511Y (en) | 2009-07-08 |
Family
ID=40842113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202019106U Expired - Fee Related CN201269511Y (en) | 2008-10-15 | 2008-10-15 | LED lamp with improved heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201269511Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943381A (en) * | 2010-07-13 | 2011-01-12 | 周焕球 | LED heat radiation module |
| WO2011140720A1 (en) * | 2010-05-14 | 2011-11-17 | Qin Biao | Heat dissipation-optimized led lamp and light fitting thereof |
| WO2012095019A1 (en) * | 2011-01-14 | 2012-07-19 | 查克森科技有限公司 | Illumination apparatus |
| CN104595764A (en) * | 2009-11-09 | 2015-05-06 | Lg伊诺特有限公司 | Lighting device |
| CN102042575B (en) * | 2009-10-15 | 2015-11-25 | 基元高效科技有限公司 | Heat dissipation structure of lamps and lanterns |
-
2008
- 2008-10-15 CN CNU2008202019106U patent/CN201269511Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042575B (en) * | 2009-10-15 | 2015-11-25 | 基元高效科技有限公司 | Heat dissipation structure of lamps and lanterns |
| CN104595764A (en) * | 2009-11-09 | 2015-05-06 | Lg伊诺特有限公司 | Lighting device |
| WO2011140720A1 (en) * | 2010-05-14 | 2011-11-17 | Qin Biao | Heat dissipation-optimized led lamp and light fitting thereof |
| CN101943381A (en) * | 2010-07-13 | 2011-01-12 | 周焕球 | LED heat radiation module |
| CN101943381B (en) * | 2010-07-13 | 2012-05-09 | 周焕球 | LED heat radiation module |
| WO2012095019A1 (en) * | 2011-01-14 | 2012-07-19 | 查克森科技有限公司 | Illumination apparatus |
| EP2664845A4 (en) * | 2011-01-14 | 2014-07-23 | Osram Gmbh | Illumination apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20131015 |