CN201206815Y - LED lamp with heat radiation structure - Google Patents
LED lamp with heat radiation structure Download PDFInfo
- Publication number
- CN201206815Y CN201206815Y CNU2008200940197U CN200820094019U CN201206815Y CN 201206815 Y CN201206815 Y CN 201206815Y CN U2008200940197 U CNU2008200940197 U CN U2008200940197U CN 200820094019 U CN200820094019 U CN 200820094019U CN 201206815 Y CN201206815 Y CN 201206815Y
- Authority
- CN
- China
- Prior art keywords
- radiator
- led lamp
- radiator structure
- lid
- cylindrical shell
- 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 1
- 230000007423 decrease Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract 3
- 239000003570 air Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 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
- F21K9/232—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
- 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
- F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
- F21Y2107/30—Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
-
- 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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
An LED light fitting with a cooling structure comprises a lamp holder, a radiator connected with the lamp holder, as well as a plurality of LED module groups connected with radiator in a heat conductive way; the LED module groups are attached around the radiator; the radiator comprises a hollow cylinder body; the lamp holder is provided with a plurality of vents; and the vents form an airflow channel with the cylinder body. An internally circulating airflow channel formed between the interior of the radiator of the LED light fitting and a cover body can effectively enhance the air flow and increase the contact area between the radiator and the airflow so as to achieve good cooling of the light fitting in a limited size and further solve the cooling problem of high-power LED light fittings.
Description
Technical field
The utility model relates to a kind of led lamp, particularly a kind of led lamp with radiator structure.
Background technology
LED source is as a kind of emerging third generation light source, though can't replace traditional incandescent lamp on a large scale now, it has advantages such as long working life, energy-saving and environmental protection, and is generally had an optimistic view of by market.And, the module of being made up of light emitting diode at present can produce light source high-power, high brightness, can replace existing incandescent lamp fully and realize indoor and outdoor lighting, also will be widely, revolutionaryly replace traditional conventional lighting sources such as incandescent lamp, and then become the main light source that meets the energy-conserving and environment-protective theme.
Yet the heat that the light emitting diode that power, brightness are big more or its module produce is big more, and is difficult to distribute in the less relatively led lamp of volume.So light emitting diode remains at big heat dissipation technology bottleneck, this also is the most crucial part of difficult breakthrough of high-power at present, the high brightness LED lamp tool marketization.The general heat sink conception of industry is that a radiator is set in this light fixture at present, heat is dispersed in the surrounding air with the mode that the free convection air contacts by this spreader surface.So satisfy the LED light lamp radiating requirements of high power, high brightness so that it can operate as normal prevent light decay, just must provide area of dissipation very big radiator.The common like this radiator shared volume in light fixture that can cause is big, and overall lamp is specifically long-pending also big, makes this fitting structure volume be difficult to apply in room lighting greatly.
The utility model content
In view of this, be necessary to provide a kind of heat abstractor that has smaller size smaller in the led lamp and have preferable heat dispersion that is used in.
A kind of led lamp with radiator structure, it comprises a lamp socket, a radiator that is connected with this lamp socket and the some light emitting diode module that are connected with this radiator heat conduction, described some light emitting diode module post at described radiator periphery, described radiator comprises a hollow cylinder, described lamp socket is provided with some passages, and described passage and described cylindrical shell form a current path.
Forming the current path that circulates in lid in the radiator of above-mentioned led lamp can strengthen airflow effectively and strengthen the area that radiator contacts with air-flow, thereby can in limited volume, realize the good heat radiating of light fixture, and then solve the heat dissipation problem of High Power LED light fixture.
With reference to the accompanying drawings, the utility model will be further described in conjunction with specific embodiments.
Description of drawings
Fig. 1 is the three-dimensional combination figure of a preferred embodiment that the utlity model has the led lamp of radiator structure.
Fig. 2 is the three-dimensional exploded view that has the led lamp of radiator structure among Fig. 1.
Fig. 3 is the stereogram of radiator among Fig. 1.
The specific embodiment
Shown in Fig. 1-2, the radiator 20 that the led lamp that the utlity model has radiator structure comprises a lamp socket 10, be connected with this lamp socket 10 and evenly being sticked in this radiator 20 lip-deep some light emitting diode module 30.
Above-mentioned lamp socket 10 comprises a crown top of burner 12, be connected on this crown top of burner 12 one first lid 14 and with one second lid 16 of these first lid, 14 make-ups.This crown top of burner 12 is a standard thread crown top of burner, adapts to the common formula lamp holder that screws togather.This first lid 14 is a bowl bodies of being made by plastic material, and it comprises bottom a tubular connecting portion 140 that is connected with the crown top of burner 12 and the one first bowl of wall 142 that is connected with this connecting portion 140.The bore of this bowl wall 142 increases from bottom to top gradually, and forms the bowl-shape lid of a upward opening, and this first bowl of wall 142 evenly offered three installing holes 1420 at the inwall periphery of opening part, is used for supplying screw rod spare (figure does not show) to pass with second lid 16 and screws togather.This second lid 16 is an inversion bowl bodies of being made by plastic cement or metal material, and it comprises an annular joint portion 160 and the one second bowl of wall 162 that is connected with this joint portion 160.The diameter of this joint portion 160 is slightly less than the diameter of this connecting portion 140, is provided with internal thread 1600 in it, to be screwed together with radiator 20 bottoms, evenly offers three open-works 1602 on the tube wall of this junction 160.The bore of the first half that this second bowl of wall 162 is connected with this joint portion 160 increases from top to bottom gradually, the first half of this second bowl of wall 162 evenly offers the some perforation 164 corresponding with light emitting diode module 30, and these perforation 164 roughly bottom-up this bowl walls 162 that penetrate pass for the source line group that connects light emitting diode module 30 (figure does not show); These second bowl of wall 162 the latter half is bore uniform circular body, the opening of its openings of sizes and first lid 14 is suitable, this ring bodies evenly offers some passages 166 and enters in the space of first and second lid 14,16 formation for air-flow, and apart from being provided with three screws (figure does not show), these screws are corresponding with the installing hole 1420 of first lid 14 respectively to combine this first and second lid 14,16 to cooperate with the screw rod spare that passes this installing hole 1420 this second bowl of wall 162 at the inwall periphery of opening.The space that this first and second lid 14,16 is combined together to form can ccontaining this led lamp electron rectifier (figure does not show).
As shown in Figure 3, above-mentioned radiator 20 is integrally formed by heat conductivility good material such as metal materials such as aluminium, copper.This radiator 20 has an elongated tubular cylindrical shell 22, these cylindrical shell 22 inwalls are along fin 24 in the some bar shapeds of having extended radially inwardly of this cylindrical shell 22, fin 24 distributes symmetrically about these cylindrical shell 22 central axis in these, thickness of fin 24 begins inwardly to successively decrease gradually from cylinder inboard wall in these, and drift angle is most advanced and sophisticated by a change shape so its cross section roughly is acute triangle.These cylindrical shell 22 outer walls are along its some Thermal Arms 26 that extended radially outwardly, these Thermal Arms 26 distribute symmetrically about these cylindrical shell 22 central axis, the quantity of the quantity respective leds module 30 of these Thermal Arms 26, so in different embodiment, can be different quantity, and be six Thermal Arms 26 of corresponding six light emitting diode module 30 in the present embodiment.The extended line of these Thermal Arms 26 will intersect at the central axis of this cylindrical shell 22, this Thermal Arm 26 vertically is extended with some to outer-finned 260 to both sides, all about Thermal Arm 26 symmetries of correspondence, and the length of these outer-finneds 260 increases progressively from inside to outside gradually to outer-finned 260 for each.The terminal of each Thermal Arm 26 all is connected with outer-finned 260 inner surfaces of outermost end, so the outer surface of each Thermal Arm 26 outermost a pair of outer-finned 260 is a smooth surfaces.These cylindrical shell 22 bottoms extend one downwards and screw togather tube 28, this screws togather tube 28 and is provided with and the suitable external screw thread (not label) of the internal thread 1600 of second lid, 16 joint portions 160, and this screws togather and evenly offers three screws 280 corresponding with the open-work 1602 of joint portion 160 on the cylindrical shell of tube 28.The joint portion 160 that screws togather tube 28 and second lid 16 at this radiator 20 screws togather when finishing, the open-work 1602 of these joint portions 160 passes and screws togather with these screws 280 with these screw 280 corresponding screws (figure does not show) that also supply, thereby further locks radiator 20 and this second lid 16.In other embodiments, this radiator 20 can be set screw togather tube 28 the external screw thread and the internal thread of joint portion 160, this radiator 20 and being connected of this second lid 16, can be the open-work 1602 that passes this joint portion 160 by screw with a screw 280 that screws togather tins 28 screw togather realizes.
See also Fig. 2, this light emitting diode module 30 comprises a rectangular circuit board 32, and the shape size of this circuit board 32 is slightly less than radiator 20 outermost outer-finneds 260, and several light-emitting diodes 34 are installed on it side by side.
Above-mentioned led lamp is when assembling, and screw rod spare passes the installing hole 1420 of first lid 14 and the screwhole spiro bonding of second lid 16, and first and second lid 14,16 is combined.These radiator 20 bottoms screw togather the tube 28 and second lid 16 on joint portion 160 be screwed together.These light emitting diode module 30 post respectively on the lateral surface of these radiator 20 outermost outer-finneds 260, and can fill the heat-conducting medium as heat-conducting glue and so between light emitting diode module 30 and the corresponding outer-finned 260, to increase the capacity of heat transmission between them.
Above-mentioned led lamp in use, this light emitting diode module 30 conducts heat on the outer-finned 260 of the radiator 20 that is in contact with it, and by Thermal Arm 26 heat is evenly distributed on radiator 20 heat conduction cylindrical shells 22 and the interior interior fin 24 thereof again.These cylindrical shell 22 outer walls, this Thermal Arm 26 and this outer-finned 260 directly contact with ambient air heat is dispersed in the ambient air and go.Be communicated with spaces of these first and second lid 14,16 formation in this cylindrical shell 22 and form a current path, just air enters from the passage 166 of this second lid 16, be heated through cylindrical shell 22 inwalls again, flow out from the outlet of cylindrical shell 22 tops at last, perhaps when this led lamp and opposite location shown in Figure 1 are placed, air enters from cylindrical shell 22 bottoms, is heated through the exchange of cylindrical shell 22 inner surface heats again, flows out from passage 166 outlets of this second lid 16 at last.
In sum, the divergence form structure of this led lamp radiator 20 increases its area of dissipation effectively, can strengthen airflow effectively and strengthen the area that radiator 20 contacts with air-flow with the current path that lid 14,16 forms circulation in this radiator 20 simultaneously, thereby well solve the heat dissipation problem of this High Power LED module 30.
Claims (10)
1. led lamp with radiator structure, it comprises a lamp socket, a radiator that is connected with this lamp socket and the some light emitting diode module that are connected with this radiator heat conduction, it is characterized in that: described some light emitting diode module post at described radiator periphery, described radiator comprises a hollow cylinder, described lamp socket is provided with some passages, and described passage and described cylindrical shell form a current path.
2. the led lamp with radiator structure as claimed in claim 1 is characterized in that: described inner barrel is formed with some interior fins, and described cylindrical shell outside is formed with some outer-finneds.
3. the led lamp with radiator structure as claimed in claim 2 is characterized in that: fin thickness inwardly successively decreases from cylinder inboard wall in described.
4. the led lamp with radiator structure as claimed in claim 2 is characterized in that: described cylinder body outer wall extension is provided with some Thermal Arms, and distributes symmetrically about the central axis of described cylindrical shell.
5. the led lamp with radiator structure as claimed in claim 4 is characterized in that: described outer-finned is formed at described Thermal Arm both sides.
6. the led lamp with radiator structure as claimed in claim 5, it is characterized in that: the outer-finned of described Thermal Arm both sides perpendicular to and about described Thermal Arm symmetry, and the length of the outer-finned of each Thermal Arm the same side is increased progressively to the other end near an end of described cylindrical shell by described Thermal Arm.
7. the led lamp with radiator structure as claimed in claim 6 is characterized in that: the outer surface of the outermost a pair of outer-finned of described radiator is a plane that contacts with described light emitting diode module.
8. the led lamp with radiator structure as claimed in claim 1 is characterized in that: described lamp socket comprise a standard crown top of burner, bowl-shape first lid that is connected with the described crown top of burner and with bowl-shape second lid of the described first lid make-up.
9. the led lamp with radiator structure as claimed in claim 8, it is characterized in that: described first lid combines with second lid and forms a hollow housing, in the middle of described housing one end is ring bodies, its two ends bore is gradually little, described housing one end connects the crown top of burner, the other end is provided with a joint portion, and described passage is arranged on the ring bodies of described housing.
10. the led lamp with radiator structure as claimed in claim 9, it is characterized in that: described joint portion ringwise, establish internal thread in it, described radiator bottom is extended a hollow downwards and is screwed togather tube, and the described drum outer wall that screws togather is provided with the external screw thread that described joint portion screws togather.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200940197U CN201206815Y (en) | 2008-05-23 | 2008-05-23 | LED lamp with heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200940197U CN201206815Y (en) | 2008-05-23 | 2008-05-23 | LED lamp with heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201206815Y true CN201206815Y (en) | 2009-03-11 |
Family
ID=40465878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200940197U Expired - Fee Related CN201206815Y (en) | 2008-05-23 | 2008-05-23 | LED lamp with heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201206815Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010133021A1 (en) * | 2009-05-19 | 2010-11-25 | Tung Kuo-Feng | Led lamp assembly |
| CN102588785A (en) * | 2012-02-08 | 2012-07-18 | 深圳市骅圣照明科技有限公司 | LED energy-saving lamp |
| CN103953861A (en) * | 2014-04-02 | 2014-07-30 | 厦门市东林电子有限公司 | Integrated heat radiation type LED (light emitting diode) bulb |
| CN104748041A (en) * | 2015-04-21 | 2015-07-01 | 中投仙能科技（苏州）有限公司 | DC air cooling type LED headlamp of automobile |
| WO2015196963A1 (en) * | 2014-06-24 | 2015-12-30 | 厦门萤火虫节能科技有限公司 | Rapid heat dissipation luminous decay-proof mixed gas and integrated heat dissipation led lamp |
| CN105258032A (en) * | 2015-11-12 | 2016-01-20 | 中投仙能科技（苏州）有限公司 | Backflow air-cooled type street lamp based on narrow pipe effect |
-
2008
- 2008-05-23 CN CNU2008200940197U patent/CN201206815Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010133021A1 (en) * | 2009-05-19 | 2010-11-25 | Tung Kuo-Feng | Led lamp assembly |
| CN102588785A (en) * | 2012-02-08 | 2012-07-18 | 深圳市骅圣照明科技有限公司 | LED energy-saving lamp |
| CN103953861A (en) * | 2014-04-02 | 2014-07-30 | 厦门市东林电子有限公司 | Integrated heat radiation type LED (light emitting diode) bulb |
| WO2015196963A1 (en) * | 2014-06-24 | 2015-12-30 | 厦门萤火虫节能科技有限公司 | Rapid heat dissipation luminous decay-proof mixed gas and integrated heat dissipation led lamp |
| CN104748041A (en) * | 2015-04-21 | 2015-07-01 | 中投仙能科技（苏州）有限公司 | DC air cooling type LED headlamp of automobile |
| CN105258032A (en) * | 2015-11-12 | 2016-01-20 | 中投仙能科技（苏州）有限公司 | Backflow air-cooled type street lamp based on narrow pipe effect |
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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: 20090311 Termination date: 20140523 |