CN202769610U - Radiator - Google Patents
Radiator Download PDFInfo
- Publication number
- CN202769610U CN202769610U CN2012204890121U CN201220489012U CN202769610U CN 202769610 U CN202769610 U CN 202769610U CN 2012204890121 U CN2012204890121 U CN 2012204890121U CN 201220489012 U CN201220489012 U CN 201220489012U CN 202769610 U CN202769610 U CN 202769610U
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- radiating fin
- center
- peripheral
- 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
- 230000000694 effects Effects 0.000 claims abstract description 21
- 230000002093 peripheral effect Effects 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000001089 thermophoresis Methods 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 239000010949 copper Substances 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract 10
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a radiator which is composed of a heat collection equipartition block and center heat dissipation fins, wherein the heat collection equipartition block is formed in integrated mode, the center heat dissipation fins are vertically distributed on the periphery of the heat collection equipartition block, the portion of the vertical side wall of the heat collection equipartition block, connected with the center heat dissipation fins, is in an arc shape, heat produced by a light emitting diode (LED) lamp during working is firstly conducted to the heat collection equipartition block (or firstly conducted to a copper plate, and then conducted to the heat collection equipartition block), the heat is distributed to the center heat dissipation fins from the heat collection equipartition block and is conducted to outside fins through the center heat dissipation fins. Particularly, double-chimney structures having chimney effect are formed between the center heat dissipation fins and the outside fins, heat dissipation speed is high, the portion of the vertical side wall of the heat collection equipartition block, connected with the center heat dissipation fins, is in an arc shape, and the arc structure facilitates thermophoresis. The space distance among the heat dissipation fins and the coefficient of viscosity for the air by the chimney effect are small, flowing of the air is benefited, the heat dissipation speed is accelerated further, and an ideal effect is achieved.
Description
Technical field
The utility model relates to a kind of LED illuminating lamp, particularly the radiator used of a kind of LED illuminating lamp.
Background technology
Can produce a large amount of heats in the work of LED lamp, for heat is in time dissipated, existing LED lamp is provided with radiator.Connecting portion between its fin of existing radiator and the fin is the corner near the right angle, air, can cause air not flow or flows not freely because of the effect of the coefficient of viscosity in the inboard, angle of corner, forms heat-insulation layer, can only produce inefficient diffusion, cause radiating effect not ideal enough.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of radiating effect desirable radiator.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of radiator is made of the equal piecemeal of integrated thermal-arrest and the center radiating fin that vertically is distributed in around the equal piecemeal of described thermal-arrest, and the position that the vertical side walls of the equal piecemeal of described thermal-arrest is connected with described center radiating fin is arc.
Vertical end of described center radiating fin is one-body molded to be had connecting portion, the longitudinal terminal surface of described connecting portion to stretch out to form peripheral radiating fin.
Described every center radiating fin is connected with two peripheral radiating fins, and described center radiating fin forms " Y " shape structure with two peripheral radiating fins that are connected thereon.
Be connected to and be provided with a closure member with its longitudinal opening end sealing between the longitudinal opening end of two peripheral radiating fins on the radiating fin of same center, two chimney structures of formation stack effect between the inwall of peripheral radiating fin and described closure member and between center radiating fin and the peripheral radiating fin.
The first structure of connecting portion is: described connecting portion is arc, can satisfy heat radiation apart from d＞=3mm between two end points of described connecting portion, can be better apart from d＞=5mm radiating effect.
Described center radiating fin is connected with the middle part of described connecting portion, and described center radiating fin is vertical with described center radiating fin with the tangent line of described connecting portion connecting portion.
The second structure of connecting portion is: described connecting portion is made of the first connecting portion and two the second connecting portions that are connected to the vertical two ends of described the first connecting portion, described the first connecting portion is tabular, described the second connecting portion is circular-arc, and described peripheral radiating fin is stretched out by the longitudinal terminal surface of described the second connecting portion and forms.
The third structure of connecting portion is: described connecting portion is made of flat the 3rd connecting portion and the 4th connecting portion, one side longitudinal terminal surface of described the 3rd connecting portion and the 4th connecting portion connects, and described peripheral radiating fin is stretched out by the opposite side longitudinal terminal surface of described the 3rd connecting portion and the 4th connecting portion and forms.
In the connecting portion of the third structure, described the 3rd connecting portion and the 4th connecting portion, the 3rd connecting portion and to be connected peripheral radiating fin, the 4th connecting portion thereon and to be connected the angle that peripheral radiating fin thereon consists of be the obtuse angle.
The beneficial effects of the utility model are: radiator of the present utility model by the equal piecemeal of integrated thermal-arrest be connected that to be distributed in the position that vertical side walls that center radiating fin around the equal piecemeal of thermal-arrest consists of the equal piecemeal of thermal-arrest is connected with the center radiating fin be arc, the heat that produces in the work of LED lamp at first is transmitted on the equal piecemeal of thermal-arrest and (or is transmitted to first on the copper coin, be transmitted to again on the equal piecemeal of thermal-arrest), distributed to the center radiating fin by the equal piecemeal of thermal-arrest again, heat is by the to the periphery fin conduction of center radiating fin, particularly, form the chimney with stack effect between center radiating fin and peripheral radiating fin, radiating rate is fast, the position that the vertical side walls of the equal piecemeal of thermal-arrest is connected with the center radiating fin is arc, the structure of this arc is beneficial to thermophoresis, fin pitch and stack effect are little to the coefficient of viscosity of air, be conducive to flowing of air, further strengthen radiating rate, reached desirable effect.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the first embodiment structural representation of the utility model radiator;
Fig. 2 is the cutaway view of structure radiator shown in Figure 1;
Fig. 3 is the second embodiment structural representation of the utility model radiator;
Fig. 4 is the cutaway view of structure radiator shown in Figure 3;
Fig. 5 is the first embodiment structural representation of connecting portion;
Fig. 6 is the second embodiment structural representation of connecting portion;
Fig. 7 is one of the third embodiment structural representation of connecting portion;
Fig. 8 be connecting portion the third embodiment structural representation two.
The specific embodiment
Referring to figs. 1 through Fig. 8, a kind of radiator, consisted of by the equal piecemeal 1 of integrated thermal-arrest and the center radiating fin 2 that vertically is distributed in around equal 1 piecemeal of described thermal-arrest, the position 10 that the vertical side walls of the equal piecemeal 1 of described thermal-arrest is connected with described center radiating fin 2 is arc, the heat that produces in the work of LED lamp at first is transmitted on the equal piecemeal of thermal-arrest, distributed to the center radiating fin by the equal piecemeal of thermal-arrest again, heat dissipates by the center radiating fin, radiating rate is fast, the position that the vertical side walls of the equal piecemeal of thermal-arrest is connected with the center radiating fin is arc, this arcuate structure is conducive to thermophoresis, improves radiating efficiency.
Vertical end of described center radiating fin 2 is one-body molded connecting portion, the longitudinal terminal surface of described connecting portion stretches out and forms peripheral radiating fin 3, after increasing peripheral radiating fin 3, form the two chimney structures with stack effect between center radiating fin and peripheral radiating fin, center radiating fin or peripheral radiating fin spacing and stack effect are little to the coefficient of viscosity of air, are conducive in time distributing of heat.
In the present embodiment, described every center radiating fin is connected with two peripheral radiating fins, described center radiating fin forms " Y " shape structure with two peripheral radiating fins that are connected thereon, space between center radiating fin and peripheral radiating fin forms a larger tubulose gap, therefore can form " stack effect ", be after the air in tubulose gap is heated, because density reduces thereby produces buoyancy to rising, and the position that hot-air leaves produces negative pressure, so replenish into cold air from following or next door, repeat this process, hot-air leaves from the top just as chimney, the circulation that cold air is entered by the lower end can dissipate heat rapidly.
With reference to Fig. 3, be connected to and be provided with a closure member 4 with its longitudinal opening end sealing between the longitudinal opening end of two peripheral radiating fins 3 on the same center radiating fin 2, consist of chimney structure between the inwall of two peripheral radiating fins 3 and described closure member 4, stack effect is more obvious like this, between two tubular bodies, form again simultaneously the gap (this gap is identical with top structure) of another one chimney, so two kinds of chimneys are arranged, radiating effect better, but this structure has when stopping in the bottom, radiating effect can be than above-mentioned weak effect, in addition, and when thermal component has some to tilt, its convection current also can be affected, and is not so good as said structure good.
The first structure of connecting portion is with reference to Fig. 5: described connecting portion 5 is arc, can satisfy heat radiation apart from d＞=3mm between two end points of described connecting portion, can be better apart from d＞=5mm radiating effect.
In said structure, described center radiating fin 2 is connected with the middle part of described connecting portion 5, and described center radiating fin 2 is vertical with described center radiating fin with the tangent line L of described connecting portion 5 connecting portions, and the radiating effect of this structure is the most desirable.
The second structure of connecting portion is with reference to Fig. 6, described connecting portion is made of the first connecting portion 8 and two the second connecting portions 9 that are connected to described the first connecting portion 8 vertical two ends, described the first connecting portion 8 is tabular, described the second connecting portion 9 is circular-arc, described peripheral radiating fin is stretched out by the longitudinal terminal surface of described the second connecting portion 9 and forms, connecting portion at peripheral radiating fin forms larger gap like this, be conducive in time distributing of heat, the center radiating fin 2 of this structure is connected with the middle part of described the first connecting portion 8.
The third structure of connecting portion is with reference to Fig. 7, Fig. 8, described connecting portion is made of the 3rd connecting portion 6 and the 4th connecting portion 7, one side longitudinal terminal surface of described the 3rd connecting portion 6 and the 4th connecting portion 7 connects, described peripheral radiating fin is stretched out by the opposite side longitudinal terminal surface of described the 3rd connecting portion 6 and the 4th connecting portion 7 and forms, the angle b that described the 3rd connecting portion 6 and the 4th connecting portion 7 consist of, the 3rd connects 6 angle a that consist of with the peripheral radiating fin 3 that is connected thereon, the 4th connecting portion 7 is the obtuse angle with the angle c that the peripheral radiating fin 3 that is connected thereon consists of, the difference of Fig. 7 and Fig. 8 is, among Fig. 7, a, b, the angle top at c three places is corner, among Fig. 8, a, b, the angle top at c three places is circular-arc.
Radiator material of the present utility model is with the aluminum alloy material of ADC12, sees through die-casting technique one-body molded out, do not have too much technological requirement.
Claims (10)
1. a radiator is characterized in that it by the equal piecemeal of integrated thermal-arrest and vertically is distributed in the equal piecemeal of described thermal-arrest center radiating fin on every side forming, and the position that the vertical side walls of the equal piecemeal of described thermal-arrest is connected with described center radiating fin is arc.
2. radiator according to claim 1, it is characterized in that vertical end of described center radiating fin is one-body molded has a connecting portion, and the longitudinal terminal surface of described connecting portion stretches out and forms peripheral radiating fin.
3. radiator according to claim 2 is characterized in that described every center radiating fin is connected with two peripheral radiating fins, and described center radiating fin forms " Y " shape structure with two peripheral radiating fins that are connected thereon.
4. radiator according to claim 3, it is characterized in that being connected between the longitudinal opening end of two peripheral radiating fins on the radiating fin of same center and be provided with a closure member with its longitudinal opening end sealing, two chimney structures of formation stack effect between the inwall of peripheral radiating fin and described closure member and between center radiating fin and the peripheral radiating fin.
5. radiator according to claim 3 is characterized in that described connecting portion is arc, between two end points of described connecting portion apart from d＞=3mm.
6. radiator according to claim 5, it is characterized in that between two end points of described connecting portion apart from d＞=5mm.
7. according to claim 5 or 6 described radiators, it is characterized in that described center radiating fin is connected with the middle part of described connecting portion, described center radiating fin is vertical with described center radiating fin with the tangent line of described connecting portion connecting portion.
8. according to claim 3 or 4 described radiators, it is characterized in that described connecting portion is made of the first connecting portion and two the second connecting portions that are connected to the vertical two ends of described the first connecting portion, described the first connecting portion is tabular, described the second connecting portion is circular-arc, and described peripheral radiating fin is stretched out by the longitudinal terminal surface of described the second connecting portion and forms.
9. according to claim 3 or 4 described radiators, it is characterized in that described connecting portion is made of flat the 3rd connecting portion and the 4th connecting portion, one side longitudinal terminal surface of described the 3rd connecting portion and the 4th connecting portion connects, and described peripheral radiating fin is stretched out by the opposite side longitudinal terminal surface of described the 3rd connecting portion and the 4th connecting portion and forms.
10. radiator according to claim 9, it is characterized in that described the 3rd connecting portion and the 4th connecting portion, the 3rd connecting portion and being connected peripheral radiating fin, the 4th connecting portion thereon and being connected the angle that peripheral radiating fin thereon consists of is the obtuse angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204890121U CN202769610U (en) | 2012-09-24 | 2012-09-24 | Radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204890121U CN202769610U (en) | 2012-09-24 | 2012-09-24 | Radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202769610U true CN202769610U (en) | 2013-03-06 |
Family
ID=47776177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204890121U Expired - Fee Related CN202769610U (en) | 2012-09-24 | 2012-09-24 | Radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202769610U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987365A (en) * | 2014-09-30 | 2016-10-05 | 光和科股份有限公司 | Heat-sink for high bay LED device, the high bay LED device and methods of use thereof |
| CN107120625A (en) * | 2017-06-06 | 2017-09-01 | 深圳市旭景照明有限公司 | LED and its fin slices radiator |
-
2012
- 2012-09-24 CN CN2012204890121U patent/CN202769610U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987365A (en) * | 2014-09-30 | 2016-10-05 | 光和科股份有限公司 | Heat-sink for high bay LED device, the high bay LED device and methods of use thereof |
| CN107120625A (en) * | 2017-06-06 | 2017-09-01 | 深圳市旭景照明有限公司 | LED and its fin slices radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170525 Address after: 528400 Guangdong city of Zhongshan province Henglan Town Sansha Maohui Industrial Zone A Patentee after: West Rail lighting (Zhongshan) Co., Ltd. Address before: 528400 Guangdong city of Zhongshan Province town Henglan Maohui Industrial Zone West Rail Sansha A lighting (Zhongshan) Co. Ltd. Patentee before: Ge Wenxiang |
|
| 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: 20130306 Termination date: 20190924 |