CN103148467B - The radiator of LED lamp - Google Patents
The radiator of LED lamp Download PDFInfo
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- CN103148467B CN103148467B CN201310043527.8A CN201310043527A CN103148467B CN 103148467 B CN103148467 B CN 103148467B CN 201310043527 A CN201310043527 A CN 201310043527A CN 103148467 B CN103148467 B CN 103148467B
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- fin
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- radiating fin
- gripper shoe
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Abstract
The radiator of a kind of LED lamp, is made from a material that be thermally conductive, and radiator includes cylinder, multiple support parts, fin, multiple first radiating fin and multiple radiation tooth, the both ends open of cylinder, and is equipped with multiple fixing hole on two end faces; Each support parts include: gripper shoe, and one side is fixing with the outer wall of cylinder to be connected, and being radially arranged along cylinder; Fin, side relative with cylinder with gripper shoe in the middle part of it is vertical to be connected, and makes gripper shoe and fin be collectively forming T-shaped structure, and the outer surface of fin is provided with draw-in groove; Multiple first radiating fins are fixed on the outer wall of cylinder, and are evenly distributed between multiple support parts, being radially arranged along cylinder; Multiple radiation tooths are evenly distributed on relative two surfaces of the first radiating fin and gripper shoe; Wherein, the height of the outer wall of gripper shoe distance cylinder, more than the height of the outer wall of radiating fin distance cylinder, makes fin protrude from outside radiating fin. The thermal diffusivity of above-mentioned radiator is better.
Description
[technical field]
The present invention relates to the radiator of a kind of light fixture, particularly relate to the radiator of a kind of LED lamp.
[background technology]
LED is 21 century a kind of new type light source most with prospects, LED industry is considered as one of industry with development potentiality most in recent years, everybody expects that LED enters general illumination market, become new lighting source, initiation along with Copenhagen meeting and low-carbon economy subject under discussion, LED will generally enter illumination market, and its production value is considerable.
The bottleneck Main Bottleneck of restriction LED lamp development is heat radiation at present, and LED belongs to light emitting semiconductor device, and light emitting semiconductor device is along with the change of own temperature, and the meeting significant change of its characteristic, the rising of LED junction temperature can cause change and the decay of each device performance. The theoretical life-span of LED can reach 100,000 hours, the junction temperature of actually used middle LED is generally all higher, statistics shows that the component failure of 70% is to cause owing to temperature is too high, temperature often raises 10 degrees Celsius, its life-span will reduce half, and luminous efficiency and glow color be will also result in certain impact by the rising of LED temperature, for instance dominant wavelength red shift, fluorescent material efficiency reduction etc.
[summary of the invention]
In view of above-mentioned condition, it is necessary to provide that a kind of radiating efficiency is high, the radiator of lower-cost LED lamp.
A kind of radiator of LED lamp, described radiator is made from a material that be thermally conductive, and described radiator includes:
Cylinder, its both ends open, two end faces of described cylinder are equipped with multiple fixing hole, the plurality of fixing hole is connected for fixing with upper bed-plate and lower bottom base;
Multiple support parts, are evenly distributed on the outer wall of described cylinder, and each support parts include:
Gripper shoe, one side is fixing with the outer wall of described cylinder to be connected, and being radially arranged along described cylinder;
Fin, side relative with described cylinder with described gripper shoe in the middle part of it is vertical to be connected, making described gripper shoe and described fin be collectively forming T-shaped structure, the outer surface of described fin is provided with draw-in groove, and described draw-in groove is for installing pcb board and the lampshade of described LED lamp;
Multiple first radiating fins, are fixed on the outer wall of described cylinder, and being radially arranged along described cylinder, and the plurality of first radiating fin is evenly distributed between the plurality of support parts;
Multiple radiation tooths, are evenly distributed on relative two surfaces of described first radiating fin and described gripper shoe;
Wherein, described gripper shoe more than the described radiating fin height apart from the outer wall of described cylinder, makes described fin protrude from outside described radiating fin apart from the height of the outer wall of described cylinder.
Compared to traditional radiator, above-mentioned radiator at least has the advantage that
(1) the cylinder inside and outside wall of above-mentioned radiator is provided with radiating fin, to increase the surface area of radiator, improves the radiating efficiency of radiator. Additionally, outer wall is provided with multiple support parts for fixing LED light source, multiple support parts form natural convection channel, and the distribution setting of the fin supporting parts complies fully with aerodynamic principle, and conduction, convection current, three kinds of thermaltransmission modes of radiation are well used. Therefore, the radiating efficiency of above-mentioned radiator is higher.
(2) above-mentioned radiator radiating fin and support parts gripper shoe relative two surfaces on be equipped with radiation tooth, to improve the radiating efficiency of radiator, the effect of reinforcement can be played simultaneously, improve the structural strength of radiator.
Wherein in an embodiment, also include multiple second radiating fin, the plurality of second radiating fin is located on the medial wall of described cylinder equably, and being radially arranged along described cylinder, further, described second radiating fin height apart from the medial wall of described cylinder is less than described first radiating fin height apart from the outer wall of described cylinder.
Wherein in an embodiment, relative two surfaces of described second radiating fin are evenly distributed with multiple described radiation tooth.
Wherein in an embodiment, each described support parts also include multiple 3rd radiating fin, the plurality of 3rd radiating fin is located at the inner surface of described fin, and laying respectively at the both sides of described gripper shoe, the plurality of 3rd radiating fin reduces along with the spacing increase of described 3rd radiating fin and described gripper shoe apart from the height of described fin.
Wherein in an embodiment, relative two surfaces of described 3rd radiating fin are uniformly provided with multiple described radiation tooth.
Wherein in an embodiment, the opposite sides limit of the outer surface of described fin is respectively equipped with a T-shaped boss, axially extending along described cylinder of described T-shaped boss, and the T-shaped boss of said two is collectively forming described draw-in groove.
Wherein in an embodiment, described radiator adopts aluminium alloy to make, and described radiator is formed by a strip structure cutting, and described strip structure adopts aluminium extruded technological forming.
Wherein in an embodiment, the outer surface of described radiator forms one layer of reflective film after anodized.
Wherein in an embodiment, described gripper shoe, fin, the first radiating fin are the axially extended elongate configuration along described cylinder, and extend to the other end from one end of described cylinder.
Wherein in an embodiment, described support parts are eight, support and form three described first radiating fins between parts described in each two, and the spacing of the relative outer surface supporting parts of each two is 80 millimeters.
[accompanying drawing explanation]
Fig. 1 is the axonometric chart of the radiator of the LED lamp of embodiment of the present invention;
Fig. 2 is the side view of the radiator shown in Fig. 1;
Fig. 3 is the front view of the radiator shown in Fig. 1.
[detailed description of the invention]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully. Accompanying drawing gives the preferred embodiment of the present invention. But, the present invention can realize in many different forms, however it is not limited to embodiment described herein. On the contrary, the purpose providing these embodiments is to make the understanding to the disclosure more thorough comprehensively.
It should be noted that be referred to as " being fixed on " another element when element, it can directly on another element or can also there is element placed in the middle. When an element is considered as " connection " another element, it can be directly to another element or may be simultaneously present centering elements. Term as used herein " vertical ", " level ", "left", "right" and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technology used herein is identical with the implication that the those skilled in the art belonging to the present invention are generally understood that with scientific terminology. The term used in the description of the invention herein is intended merely to the purpose describing specific embodiment, it is not intended that in the restriction present invention. Term as used herein " and/or " include the arbitrary and all of combination of one or more relevant Listed Items.
Refer to Fig. 1 to Fig. 3, the radiator 100 of the LED lamp of embodiment of the present invention, it is made from a material that be thermally conductive, for carrying the LED light source of LED lamp. LED lamp can be LED wall lamp, LED corn lamp, specifically in the present embodiment, illustrates for LED corn lamp.
Radiator 100 can adopt aluminium alloy or other highly heat-conductive materials to make. Such as, radiator 100 is formed by a strip structure cutting, and strip structure adopts aluminium extruded technological forming. Owing to adopting aluminium extruded technique one-shot forming, after molding, it is directly cut to the radiator 100 of Len req, improves production efficiency, reduce the cost.
Further, the outer surface of radiator 100 forms one layer of reflective film after anodized. Due to aluminium alloy good processability, heat emissivity coefficient can be improved by anodic oxidation, thus improve the thermal radiation capability on radiator 100 surface.
Radiator 100 includes cylinder 110, supports parts (figure does not mark), the first radiating fin 120 and radiation tooth 130. Supporting parts and the first radiating fin 120 is located on described cylinder 110, support parts and be used for carrying LED light source, the first radiating fin 120 and radiation tooth 130 are for improving the radiating efficiency of radiator 100.
The both ends open of cylinder 110, and the two of cylinder 110 end faces are equipped with multiple fixing hole 111. Multiple fixing holes 111 are connected for fixing with upper bed-plate and lower bottom base. Such as, fixing hole 111 is screw, and threaded fastener is spirally connected with this fixing hole 111 after upper bed-plate or lower bottom base.
Concrete cylinder 110 is cylinder 110 in the illustrated embodiment, the multipair lug 113 of outer protrusion on its medial wall, and between every pair of lug 113, interval is arranged, and forms tool fixing hole 111 jaggy. Owing to adopting the lug 113 being located on the medial wall of cylinder 110 to be spliced into this fixing hole 111, it is not necessary in the direct perforate in the end of cylinder 110, thus while cylinder 110 is comparatively frivolous, it is ensured that cylinder 110 has higher structural strength.
It is multiple for supporting parts, and is evenly distributed on the outer wall of cylinder 110. Each support parts include gripper shoe 140 and fin 150.
One side of gripper shoe 140 is fixing with the outer wall of cylinder 110 to be connected, and being radially arranged along cylinder 110. Gripper shoe 140 can be elongate configuration. Concrete gripper shoe 140 is long and narrow square plate in the illustrated embodiment, and its long limit is fixing with the outer wall of cylinder 110 to be connected.
The middle part of fin 150 side relative with cylinder 110 with gripper shoe 140 is vertical to be connected, and makes gripper shoe 140 and fin 150 be collectively forming T-shaped structure, and the outer surface of fin 150 is provided with draw-in groove 151, and draw-in groove 151 is for the pcb board of mounted LED lamp tool and lampshade. Specifically in the illustrated embodiment, fin 150 is long and narrow square plate, and it is perpendicular to being radially arranged of cylinder 110, and aligns with the axially symmetric line of fin 150 in another long limit of gripper shoe 140. Spacing between multiple fin 150, be more than or equal to the width of fin 150, thus retaining wider convection channel, improves the radiating efficiency of radiator 100.
Further, the opposite sides limit of the outer surface of fin 150 is respectively equipped with a T-shaped boss 153, axially extending along cylinder 110 of T-shaped boss 153, and two T-shaped boss 153 are collectively forming draw-in groove 151.
Multiple first radiating fins 120 are fixed on the outer wall of cylinder 110, and being radially arranged along cylinder 110. Multiple first radiating fins 120 are evenly distributed between multiple support parts. Concrete first radiating fin 120 is alternatively long and narrow square plate in the illustrated embodiment, and the long limit of the first radiating fin 120 is fixed with the outer wall of cylinder 110 and is connected.
Wherein, gripper shoe 140 more than the height of outer wall of radiating fin distance cylinder 110, makes fin 150 protrude from outside radiating fin apart from the height of the outer wall of cylinder 110.
Multiple radiation tooths 130 are evenly distributed on relative two surfaces of the first radiating fin 120 and gripper shoe 140. The radiation tooth 130 being distributed in relative two surfaces can be interspersed, it is possible to is symmetrical arranged. Specifically in the illustrated embodiment, the radiation tooth 130 being distributed in relative two surfaces is symmetrical arranged.
Radiator 100 also includes multiple second radiating fin 160, and multiple second radiating fins 160 are located on the medial wall of cylinder 110 equably, and being radially arranged along cylinder 110. Further, second radiating fin 160 height apart from the medial wall of cylinder 110 is less than first radiating fin 120 height apart from the outer wall of cylinder 110. Concrete second radiating fin 160 is alternatively long and narrow square plate in the illustrated embodiment, and the long limit of the first radiating fin 120 is fixed with the inwall of cylinder 110 and is connected.
Further, relative two surfaces of the second radiating fin 160 are evenly distributed with this radiation tooth 130 multiple, thus improving the radiating efficiency of radiator 100 further.
Each support parts also include multiple 3rd radiating fin 170, multiple 3rd radiating fins 170 are located at the inner surface of fin 150, and laying respectively at the both sides of gripper shoe 140, multiple 3rd radiating fins 170 reduce along with the spacing increase of the 3rd radiating fin 170 and gripper shoe 140 apart from the height of fin 150. In other words, relatively big apart from the height of fin 150 near the 3rd radiating fin 170 of gripper shoe 140, the 3rd radiating fin 170 away from gripper shoe 140 is less apart from the height of fin 150.Specifically in the illustrated embodiment, the 3rd radiating fin 170 is alternatively long and narrow square plate, and wherein a long limit is vertical with fin 150 is connected. Gripper shoe 140 both sides respectively arrange two the 3rd radiating fins 170.
Further, relative two surfaces of the 3rd radiating fin 170 are uniformly provided with this radiation tooth 130 multiple, thus improving the radiating efficiency of radiator 100 further.
It should be noted that gripper shoe 140, fin the 150, first radiating fin the 120, second radiating fin 160 and the 3rd radiating fin 170 can be all the axially extended elongate configuration along cylinder 110, and extend to the other end from one end of cylinder 110. Additionally, the quantity of gripper shoe 140, fin the 150, first radiating fin the 120, second radiating fin 160 and the 3rd radiating fin 170 and size are arranged also dependent on actual demand, such as, supporting parts is eight, each two supports and forms three the first radiating fins 120 between parts, and the spacing of the relative outer surface supporting parts of each two is 80 millimeters.
With a wherein specific embodiment, the structure of the radiator 100 of above-mentioned corn lamp is described below.
The sectional dimension of the radiator 100 of LED lamp is 80x80mm. The inner wall position being positioned at cylinder 110 on cross section has the fixing hole 111 of 4, so facilitates the fixing of radiator 100 and top base and bottom base, just can the two be fixed by self-tapping screw. The inside and outside wall of cylinder 110 is respectively equipped with the first radiating fin 120 and the second radiating fin 160 of array arrangement, first radiating fin 120 and the second radiating fin 160 are provided with multiple radiation tooth 130, so increasing effective area of dissipation, fin length and thickness while attractive in appearance is all the optimal value drawn through accounting analysis. Peripheral annular array at radiator 100 has stretch 8 groups to support parts, has draw-in groove 151, corn lamp pcb board and corn lamp PC lampshade and all pass through this draw-in groove 151 and fix inside and outside on each fin 150, and what eliminate that screw locks is loaded down with trivial details. 8 groups of support parts annulars are uniform, and the also ratio of light so out is more uniform; And the distribution of fin 150 arranges and complies fully with aerodynamic principle, and conduction, convection current, three kinds of thermaltransmission modes of radiation are well used.
Above-mentioned radiator 100 is mainly through the Natural Heat Convection of air, and use aluminium alloy 6063 or highly heat-conductive material, its coefficient of heat conduction is higher, good processability, process for treating surface is comparative maturity also, heat emissivity coefficient can be improved, thus improve the thermal radiation capability on radiator 100 surface by anodic oxidation. It addition, the shell of above-mentioned LED radiator adopts the radiating fin of integrated ring shaped array, this radiator structure is also beneficial to the free convection of air while attractive in appearance and efficiently solves heat dissipation problem.
Compared to traditional radiator, above-mentioned radiator 100 at least has the advantage that
(1) cylinder 110 inside and outside wall of above-mentioned radiator 100 is provided with radiating fin, to increase the surface area of radiator 100, improves the radiating efficiency of radiator 100. Additionally, outer wall is provided with multiple support parts for fixing LED light source, multiple support parts form natural convection channel, and the distribution setting of the fin 150 supporting parts complies fully with aerodynamic principle, and conduction, convection current, three kinds of thermaltransmission modes of radiation are well used. Therefore, the radiating efficiency of above-mentioned radiator 100 is higher.
(2) above-mentioned radiator 100 radiating fin and support parts gripper shoe 140 relative two surfaces on be equipped with radiation tooth 130, to improve the radiating efficiency of radiator 100, the effect of reinforcement can be played simultaneously, improve the structural strength of radiator 100.
(3) above-mentioned radiator 100 adopts aluminium extruded type technique mould, can one-shot forming, be directly cut to after shaping need length, thus improving the production efficiency of radiator 100, reduction cost. Simultaneously as the radiator 100 of different length can be formed in length cutting according to actual needs, to adapt to different types of LED lamp, it is to avoid die sinking again, increase cost.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention. It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. the radiator of a LED lamp, it is characterised in that described radiator is made from a material that be thermally conductive, and described radiator includes:
Cylinder, its both ends open, two end faces of described cylinder are equipped with multiple fixing hole, the plurality of fixing hole is connected for fixing with upper bed-plate and lower bottom base;
Multiple support parts, are evenly distributed on the outer wall of described cylinder, and each support parts include:
Gripper shoe, one side is fixing with the outer wall of described cylinder to be connected, and being radially arranged along described cylinder;
Fin, side relative with described cylinder with described gripper shoe in the middle part of it is vertical to be connected, making described gripper shoe and described fin be collectively forming T-shaped structure, the outer surface of described fin is provided with draw-in groove, and described draw-in groove is for installing pcb board and the lampshade of described LED lamp; Spacing between the plurality of fin is be more than or equal to the width of described fin;
Multiple first radiating fins, are fixed on the outer wall of described cylinder, and being radially arranged along described cylinder, and the plurality of first radiating fin is evenly distributed between the plurality of support parts;
Multiple radiation tooths, are evenly distributed on relative two surfaces of described first radiating fin and described gripper shoe;
Wherein, described gripper shoe more than the described radiating fin height apart from the outer wall of described cylinder, makes described fin protrude from outside described first radiating fin apart from the height of the outer wall of described cylinder;
Multipair lug, described multipair lug is formed on the medial wall of described cylinder, and between every pair of lug, interval is arranged, and forms tool fixing hole jaggy;
Multiple second radiating fins, the plurality of second radiating fin is located on the medial wall of described cylinder equably, and being radially arranged along described cylinder, further, described second radiating fin height apart from the medial wall of described cylinder is less than described first radiating fin height apart from the outer wall of described cylinder and more than the described lug height apart from the medial wall of described cylinder; Relative two surfaces of described second radiating fin are evenly distributed with multiple described radiation tooth.
2. the radiator of LED lamp as claimed in claim 1, it is characterized in that, each described support parts also include multiple 3rd radiating fin, the plurality of 3rd radiating fin is located at the inner surface of described fin, and laying respectively at the both sides of described gripper shoe, the plurality of 3rd radiating fin reduces along with the spacing increase of described 3rd radiating fin and described gripper shoe apart from the height of described fin.
3. the radiator of LED lamp as claimed in claim 2, it is characterised in that relative two surfaces of described 3rd radiating fin are uniformly provided with multiple described radiation tooth.
4. the radiator of LED lamp as claimed in claim 2, it is characterized in that, the opposite sides limit of the outer surface of described fin is respectively equipped with a T-shaped boss, axially extending along described cylinder of described T-shaped boss, and the T-shaped boss of said two is collectively forming described draw-in groove.
5. the radiator of LED lamp as claimed in claim 1, it is characterised in that described radiator adopts aluminium alloy to make, described radiator is formed by a strip structure cutting, and described strip structure adopts aluminium extruded technological forming.
6. the radiator of LED lamp as claimed in claim 5, it is characterised in that the outer surface of described radiator forms one layer of reflective film after anodized.
7. the radiator of LED lamp as claimed in claim 1, it is characterised in that described gripper shoe, fin, the first radiating fin are the axially extended elongate configuration along described cylinder, and extend to the other end from one end of described cylinder.
8. the radiator of LED lamp as claimed in claim 7, it is characterized in that, described support parts are eight, support and form three described first radiating fins between parts described in each two, and the spacing of the relative outer surface supporting parts of each two is 80 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310043527.8A CN103148467B (en) | 2013-01-31 | 2013-01-31 | The radiator of LED lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310043527.8A CN103148467B (en) | 2013-01-31 | 2013-01-31 | The radiator of LED lamp |
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| Publication Number | Publication Date |
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| CN103148467A CN103148467A (en) | 2013-06-12 |
| CN103148467B true CN103148467B (en) | 2016-06-15 |
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| CN201310043527.8A Expired - Fee Related CN103148467B (en) | 2013-01-31 | 2013-01-31 | The radiator of LED lamp |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736978A (en) * | 2016-04-18 | 2016-07-06 | 宁波东星电子有限公司 | LED (Light Emitting Diode) corn lamp |
| CN108633230B (en) * | 2018-06-26 | 2023-12-12 | 江苏英杰电子器件有限公司 | Radiator with excellent heat absorption performance |
| CN109391090A (en) * | 2018-09-29 | 2019-02-26 | 宁波诺丁汉大学 | Conducive to the stator, rotor and motor of heat dissipation |
| CN110360486A (en) * | 2019-07-12 | 2019-10-22 | 陈义武 | A kind of method for arranging and plant growth lamp of planting low-voltage lighting system |
| CN113654101A (en) * | 2021-07-17 | 2021-11-16 | 苟长洪 | Heat radiator |
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| CN201173467Y (en) * | 2008-02-03 | 2008-12-31 | 上海三思电子工程有限公司 | Split joint type LED illumination heat radiator unit |
| CN201437976U (en) * | 2009-07-31 | 2010-04-14 | 深圳市通普科技有限公司 | LED columnar lamp radiator |
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| CN203177109U (en) * | 2013-01-31 | 2013-09-04 | 深圳市通普科技有限公司 | Radiator of LED lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202091825U (en) * | 2011-04-28 | 2011-12-28 | 都江堰市华刚电子科技有限公司 | Cylindrical LED (light-emitting diode) light source module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201173467Y (en) * | 2008-02-03 | 2008-12-31 | 上海三思电子工程有限公司 | Split joint type LED illumination heat radiator unit |
| CN101871627A (en) * | 2009-04-24 | 2010-10-27 | 戴建国 | High-efficiency heat radiating LED (light emitting diode) lamp and manufacture method thereof |
| CN201437976U (en) * | 2009-07-31 | 2010-04-14 | 深圳市通普科技有限公司 | LED columnar lamp radiator |
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