CN204372746U - A kind of LED street lamp radiator - Google Patents
A kind of LED street lamp radiator Download PDFInfo
- Publication number
- CN204372746U CN204372746U CN201520031336.4U CN201520031336U CN204372746U CN 204372746 U CN204372746 U CN 204372746U CN 201520031336 U CN201520031336 U CN 201520031336U CN 204372746 U CN204372746 U CN 204372746U
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- radiating fin
- street lamp
- radiating
- heat sink
- led street
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Abstract
The utility model discloses a kind of LED street lamp radiator, comprise aluminium base, heat sink and radiating fin, wherein, one of them face of described aluminium base is provided with multiple LED lamp bead, heat sink is arranged on another face relative with LED lamp bead, the opposite side of heat sink is provided with the radiating fin of several longitudinal arrangements, described radiating fin is provided with multiple through hole passed through for radiating tube, radiating tube level is located in each radiating fin, cold-producing medium is provided with in described radiating tube, radiating tube inside forms liquid phase fluid circulating heat conduction, described radiating fin is provided with further the louvre of more than 1, form gaseous fluid circulating heat conduction.LED street lamp radiator described in the utility model, radiating tube and louvre form liquid phase fluid and gaseous fluid respectively, realize double-radiation function, good heat dissipation effect, in addition, also there is volume little, lightweight, the features such as structure is tightly taken out, and radiating fin thinner thickness, area of dissipation are large, not perishable.
Description
Technical field
The utility model relates to a kind of LED street lamp heat abstractor, particularly relates to a kind of radiator of high-power LED street lamp.
Background technology
Along with going deep into of LED product application, having developed high-power LED lamp various in style, the heat sink of current LED street lamp, is naked being exposed on the external or semi-open-type mostly; And high-power LED lamp heat dissipation problem is more serious.And radiator material adopts cast aluminium forming mostly, there is following defect: cast aluminium is naked to be exposed on the external, by the impact of air ambient, perishable; To a whole set of street lamp styling also unsightly.Due to the impact of the volume size of street lamp, also cause area of dissipation corresponding minimizing in unit volume because cast aluminium fin thickness is thick.
In view of this, the present inventor studies this, and develop a kind of radiator being applicable to closed LED street lamp specially, and radiator is packaged in landscape lamp, this case produces thus.
Summary of the invention
The features such as the purpose of this utility model is to provide a kind of radiator of LED street lamp, has volume little, lightweight, and structure is tightly taken out, and radiating fin thinner thickness, area of dissipation are large, not perishable.
To achieve these goals, solution of the present utility model is:
A kind of LED street lamp radiator, comprise aluminium base, heat sink and radiating fin, wherein, one of them face of described aluminium base is provided with multiple LED lamp bead, heat sink is arranged on another face relative with LED lamp bead, the opposite side of heat sink is provided with the radiating fin of several longitudinal arrangements, described radiating fin is provided with multiple through hole passed through for radiating tube, radiating tube level is located in each radiating fin, cold-producing medium is provided with in described radiating tube, radiating tube inside forms liquid phase fluid circulating heat conduction, described radiating fin is provided with further the louvre of more than 1, form gaseous fluid circulating heat conduction.
As preferably, described heat sink adopts aluminium plug copper heat sink.
As preferably, described radiating tube is copper radiating tube.
As preferably, described radiating tube is structure as a whole, and same radiating tube is looped around on radiating fin, and two ports of radiating tube are equipped with the stopper of blocking, prevent cold-producing medium outflow conduit.
As preferably, described radiating fin is provided with 2 horizontal rectangular heat dissipation holes, forms gaseous fluid, realizes the heat radiation of radiating fin inner air.
As preferably, the multiple louvre area sums on same radiating fin account for 30% ~ 50% of the radiating fin gross area.
As preferably, the planar dimension of described heat sink is consistent with aluminium base.
As preferably, described radiating fin is evenly distributed along heat sink length direction, and the length of radiating fin is equal to or greater than the width of aluminium base, and adjacent 2 radiating fin intervals are 3 ~ 5 ㎜, and radiating fin height is the half of length, and thickness is 0.4 ~ 0.6 ㎜.
The radiator of LED street lamp described in the utility model, LED lamp bead liberated heat is first transmitted to aluminium plug copper heat sink by aluminium base, be transmitted to again on radiating fin, radiating fin forms circulated heat conduction by radiating tube internal liquid phase fluid, form gaseous fluid by louvre simultaneously, reach the effect of dispelling the heat in atmosphere.
Compared with prior art, the radiator of LED street lamp described in the utility model mainly has following several advantage:
1, radiating tube and louvre form liquid phase fluid and gaseous fluid respectively, realize double-radiation function, good heat dissipation effect, and the setting of louvre, except by except radiating fin internal heat rapid divergence, the weight of radiating fin can also be alleviated, whole radiator can be made lighter;
2, heat sink size is little, can be arranged in light fixture, and radiating fin can be prevented because of the reduction such as laying dust, leaf radiating effect;
3, radiating fin longitudinal arrangement is on heat sink, adds area of dissipation in unit volume.
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the LED street lamp radiator structural representation of the present embodiment;
The LED street lamp radiator structural representation (another side) of Fig. 2 the present embodiment;
Fig. 3 is the LED street lamp radiator heat conduction schematic diagram of the present embodiment.
Detailed description of the invention
As shown in Figure 1-2, a kind of radiator of LED street lamp, comprise aluminium base 2, heat sink 3 and radiating fin 4, wherein, LED lamp bead 1 is arranged on the upper surface of described aluminium base 2, and heat sink 3 is arranged on the lower surface of aluminium base 2, the lower surface of heat sink 3 is provided with the radiating fin 4 of several longitudinal arrangements, and described heat sink 3 is aluminium plug copper heat sink.Described radiating fin 4 is provided with multiple through hole passed through for radiating tube 5, and in the present embodiment, the through hole installing radiating tube 5 divides two rows, and have 11, the number of through hole can be determined according to the area of radiating fin 4 and actual radiating requirements; Radiating tube 5 is structure as a whole, and same radiating tube 5 level is located in each radiating fin 4, is provided with cold-producing medium in radiating tube 5, and two ports of radiating tube 5 are equipped with the stopper 7 of blocking, prevent cold-producing medium outflow conduit.Described radiating tube 5 is copper radiating tube, combine for making radiating tube 5 and radiating fin 4, adopt the mode of hydraulic pressure or mechanical expanding, utilize an axle or internal liquid pressurized expansion body that heat pipe 5 caliber is increased, and then be connected with radiating fin 4, then with soldering by copper radiating tube and radiating fin 4 welding.Described radiating fin 4 is provided with further 2 horizontal louvres 6, the shape of louvre 6 can be determined according to the arrangement of the size of radiating fin 4 and radiating tube 5, can be generally rectangle, circle or square, in the present embodiment, described louvre 6 be rectangular heat dissipation hole.Multiple louvres 6 area on same radiating fin 4 generally account for 30% ~ 50% of radiating fin 4 gross area.
In the present embodiment, the planar dimension of described heat sink 3 is consistent with aluminium base 2, aluminium base 2(material is Copper Foil adding aluminium plate) thickness be 1.5 ㎜, heat sink 3(material is aluminium plug copper) thickness is 7 ~ 9 ㎜, described radiating fin 4 is evenly distributed along heat sink 3 length direction, and the length of radiating fin 4 is slightly larger than the width of aluminium base 2, adjacent 2 radiating fin 4 intervals are 4 ㎜, radiating fin 4 is highly the half of length, and thickness is 0.5 ㎜, and material is aluminium-manganese-zinc-scandium-aluminum alloy.Arranging of radiating fin 4 specifically can set according to actual required area of dissipation.
As shown in Figure 3, the radiator of LED street lamp described in the utility model, LED lamp bead 1 liberated heat is first transmitted to aluminium plug copper heat sink 3 by aluminium base 2, be transmitted on radiating fin 4 again, radiating fin 4 forms circulated heat conduction by copper heat pipe 5 internal liquid phase fluid, form gaseous fluid by louvre 6 simultaneously, reach the effect of dispelling the heat in atmosphere.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.
Claims (8)
1. a LED street lamp radiator, it is characterized in that: comprise aluminium base, heat sink and radiating fin, wherein, one of them face of described aluminium base is provided with multiple LED lamp bead, heat sink is arranged on another face relative with LED lamp bead, the opposite side of heat sink is provided with the radiating fin of several longitudinal arrangements, described radiating fin is provided with multiple through hole passed through for radiating tube, radiating tube level is located in each radiating fin, cold-producing medium is provided with in described radiating tube, radiating tube inside forms liquid phase fluid circulating heat conduction, described radiating fin is provided with further the louvre of more than 1, form gaseous fluid circulating heat conduction.
2. a kind of LED street lamp radiator as claimed in claim 1, is characterized in that: described heat sink adopts aluminium plug copper heat sink.
3. a kind of LED street lamp radiator as claimed in claim 1, is characterized in that: described radiating tube is copper radiating tube.
4. a kind of LED street lamp radiator as claimed in claim 1, is characterized in that: described radiating tube is structure as a whole, same radiating tube is looped around on radiating fin, and two ports of radiating tube are equipped with the stopper of blocking, prevent cold-producing medium outflow conduit.
5. a kind of LED street lamp radiator as claimed in claim 1, is characterized in that: described radiating fin is provided with 2 horizontal rectangular heat dissipation holes, forms gaseous fluid.
6. a kind of LED street lamp radiator as claimed in claim 1, is characterized in that: the multiple louvre area sums on same radiating fin account for 30% ~ 50% of the radiating fin gross area.
7. a kind of LED street lamp radiator as claimed in claim 1, is characterized in that: the planar dimension of described heat sink is consistent with aluminium base.
8. a kind of LED street lamp radiator as claimed in claim 7, it is characterized in that: described radiating fin is evenly distributed along heat sink length direction, the length of radiating fin is equal to or greater than the width of aluminium base, adjacent 2 radiating fin intervals are 3 ~ 5 ㎜, radiating fin height is the half of length, and thickness is 0.4 ~ 0.6 ㎜.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520031336.4U CN204372746U (en) | 2015-01-16 | 2015-01-16 | A kind of LED street lamp radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520031336.4U CN204372746U (en) | 2015-01-16 | 2015-01-16 | A kind of LED street lamp radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204372746U true CN204372746U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520031336.4U Expired - Fee Related CN204372746U (en) | 2015-01-16 | 2015-01-16 | A kind of LED street lamp radiator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566083A (en) * | 2015-01-16 | 2015-04-29 | 浙江紫金光伏科技有限公司 | Radiator for LED street lamp |
| CN105976726A (en) * | 2016-06-24 | 2016-09-28 | 安庆市奥立德光电有限公司 | LED display screen facilitating cooling |
| CN106338011A (en) * | 2016-08-31 | 2017-01-18 | 长兴友畅电子有限公司 | LED with heat and electricity separation |
| CN106979484A (en) * | 2017-06-07 | 2017-07-25 | 许昌虹榕节能电器设备有限公司 | A kind of heat abstractor of high-power LED street lamp |
| CN107195766A (en) * | 2017-07-05 | 2017-09-22 | 四川凯润电器有限公司 | A kind of LED radiator |
| CN110836360A (en) * | 2018-08-16 | 2020-02-25 | 胡祥卿 | Super-enhanced heat transfer structure of radiator for LED lamp and preparation method thereof |
-
2015
- 2015-01-16 CN CN201520031336.4U patent/CN204372746U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566083A (en) * | 2015-01-16 | 2015-04-29 | 浙江紫金光伏科技有限公司 | Radiator for LED street lamp |
| CN105976726A (en) * | 2016-06-24 | 2016-09-28 | 安庆市奥立德光电有限公司 | LED display screen facilitating cooling |
| CN106338011A (en) * | 2016-08-31 | 2017-01-18 | 长兴友畅电子有限公司 | LED with heat and electricity separation |
| CN106979484A (en) * | 2017-06-07 | 2017-07-25 | 许昌虹榕节能电器设备有限公司 | A kind of heat abstractor of high-power LED street lamp |
| CN106979484B (en) * | 2017-06-07 | 2023-09-01 | 深圳市弘祥光电科技有限公司 | Heat abstractor of high-power LED street lamp |
| CN107195766A (en) * | 2017-07-05 | 2017-09-22 | 四川凯润电器有限公司 | A kind of LED radiator |
| CN107195766B (en) * | 2017-07-05 | 2018-11-20 | 四川凯润电器有限公司 | A kind of LED radiator |
| CN110836360A (en) * | 2018-08-16 | 2020-02-25 | 胡祥卿 | Super-enhanced heat transfer structure of radiator for LED lamp and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150603 Termination date: 20210116 |