CN205351258U - A high -efficient heat abstractor for LED lamps and lanterns - Google Patents

A high -efficient heat abstractor for LED lamps and lanterns Download PDF

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Publication number
CN205351258U
CN205351258U CN201521069827.4U CN201521069827U CN205351258U CN 205351258 U CN205351258 U CN 205351258U CN 201521069827 U CN201521069827 U CN 201521069827U CN 205351258 U CN205351258 U CN 205351258U
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fin
led lamp
radiator
efficient radiating
led
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CN201521069827.4U
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朱桂林
朱振霄
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Suzhou Jiayida Electrical Appliances Co Ltd
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Suzhou Jiayida Electrical Appliances Co Ltd
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Abstract

The utility model discloses a high -efficient heat abstractor for LED lamps and lanterns, it includes: the bottom plate, its one side is used for installing the LED lamp, the radiator, its connect in the opposite side of bottom plate, the radiator has a plurality of follows the bottom plate is to keeping away from a plurality of fin that LED lamp direction is extended, fastener, its have the interval set up in spacing portion between a plurality of fin, fastener with the detachable mode connect in the radiator, elastic component, it is flexibly connected fastener and bottom plate. The utility model discloses can be according to the different shapes of LED lamps and lanterns and high -power NULL's heat dissipation needs, alternate the shape of radiator in a flexible way, and radiator light in weight, heat radiating area are big, have effectively guaranteed LED NULL's heat dissipation demand and stable state work.

Description

A kind of efficient radiating apparatus for LED lamp
Technical field
This utility model relates to LED lamp field of radiating.More specifically, this utility model relates to a kind of efficient radiating apparatus for LED lamp.
Background technology
LED as a kind of solid light source, because of its there is energy-conservation, life-span length, the feature such as pollution-free obtains a wide range of applications at lighting field.But LED lamp is compared with Halogen light with traditional high-pressure mercury lamp, its heat resistance is poor, and operating temperature not can exceed that 60 DEG C, otherwise can cause serious light decay, affect the service life of LED lamp.Therefore the current theoretical life-span LED lamp up to more than 100,000 hours, due to material, manufacturing technology, the problem especially dispelled the heat, causes that the LED component life-span on existing market generally can only achieve 1~20,000 hours.
In addition, high-power LED chip that at present conventional Performance comparision is stable or 1W or 3W, the range of application of LED lamp is improved for obtaining higher luminous flux, it is development trend by the LED chip of integrated hectowatt grade ultra high power, the plurality of advantages such as integrated chip has brightness height compared with single pearl chip, cost is low, volume is little, simple installation, but its temperature rise is also more concentrated higher, heat dissipation problem is also more prominent.
The best method improving radiator unit mass area of dissipation is that the thickness reducing fin is to increase the quantity of fin, but radiator is one-body molded mainly by extrusion process at present, the height of fin is generally not more than 50mm, thickness is typically no less than 1.5mm, if further the height of thinner fin being increased, not only compression molding process is difficult to processing and relatively costly, utilize micro-spray cooling system so existing more, fan auxiliary is air-cooled, thermoelectric-cooled, copper pipe water-cooled but waits auxiliary temperature-reducing hands section, the radiating effect not only played is limited, but also addition of the volume of light fixture, weight and energy consumption, especially for this just difficult high mast lighting light fixture of maintenance, additional thermal component maintenance considerably increases cost especially.
Utility model content
A purpose of the present utility model is to solve at least the above and/or defect, and provides the advantage that at least will be described later.
This utility model is it is also an object that provide a kind of efficient radiating apparatus for LED lamp, they can according to the heat radiation needs of the difformity of LED lamp and high-power integrated chip, the shape of flexible transformation radiator, and heatsink weight is light, area of dissipation big, has been effectively ensured radiating requirements and the steady operation of LED integrated chip.
In order to realize according to these purposes of the present utility model and further advantage, it is provided that a kind of efficient radiating apparatus for LED lamp, comprising:
Base plate, its side is used for mounted LED lamp;
Radiator, it is connected to the opposite side of described base plate, and described radiator has multiple from described base plate to the multiple fin extended away from LED direction;
Clamp device, it has the limiting section being arranged at intervals between the plurality of fin, and described clamp device is detachably connected to described radiator;
Elastic component, it flexibly connects described clamp device and base plate.
Preferably, wherein, described clamp device also includes two ends and is provided with the screw mandrel of screw thread, and described fin and limiting section are provided with corresponding through hole, and after the removably connecting of described clamp device and radiator sequentially passes through described through hole by screw mandrel, its two ends nut that is spirally connected respectively realizes.
Preferably, wherein, the plurality of fin extends along direction is contour or stepped setting.
Preferably, wherein, the plurality of fin edge is perpendicular at least side, direction of its extension is contour or stepped setting.
Preferably, wherein, it is filled with one layer of heat-conducting cream between bottom and the described base plate of described fin.
Preferably, wherein, being provided with one 90 ° of kinks bottom described fin, described kink contacts with described base plate.
Preferably, wherein, described fin is aluminium flake or copper sheet, and the heat conductivity of aluminum is up to 209W/m k, and good processability, cost are low;The pyroconductivity of copper is 390W/m k, higher than aluminum, but ratio aluminum weight about three times, and does not have aluminium flake to be easily worked, thus generally fin can prioritizing selection aluminium flake, when the application scenario of radiator be limited to transport properties attach most importance to time, it is common to use copper sheet.
Preferably, wherein, the spacing between the plurality of fin is 7~12mm, in order to fin distributes the unimpeded convection current between heat and outside ambient air.
Preferably, wherein, the thickness of described fin is 0.3~2mm, can carry out flexible design according to the heat-sinking capability needed for LED integrated chip and the weight of LED lamp, volume.
Preferably, wherein, the height of described fin is 60~500mm, flexibly the height of fin is adjusted according to the radiating requirements of LED lamp and component standardization produces.
This utility model at least includes following beneficial effect:
(1) radiator of the present utility model can ensure that the area of dissipation of LED lamp every watt is at 150cm2Above, can meeting the radiating requirements of 200W high-power LED lamp long-time stable very well a relatively low temperature under Natural Convection Conditions, the life-span of LED lamp can promote 2~3 times;
(2) this utility model radiator does not need die casting molding, uses flake aluminum or copper sheet to process, and what considerably reduce mould hundreds of thousands even several ten million is designed and manufactured as this, and the cycle of product development also substantially shortens;
(3) this utility model can need for the actual heat radiation of the difformity of light fixture and integrated chip, fin is designed flexibly and can component standardization produce, and while being effectively ensured radiator heat-dissipation ability, significantly reduce the weight of radiator, it is simple to LED lamp application in high bar field lighting.
Part is embodied by further advantage of the present utility model, target and feature by description below, and part also will by being understood by those skilled in the art research of the present utility model and practice.
Accompanying drawing explanation
Fig. 1 is the side view of the efficient radiating apparatus for LED lamp of the contour setting of fin in an embodiment of the present utility model;
Fig. 2 is the front view of the efficient radiating apparatus for LED lamp of the contour setting of fin in an embodiment of the present utility model;
Fig. 3 is the side view of the efficient radiating apparatus for LED lamp of the stepped setting in fin top in another embodiment of the present utility model;
Fig. 4 is the front view of the efficient radiating apparatus for LED lamp of the stepped setting in fin top in an embodiment of the present utility model;
Fig. 5 is the side view of the efficient radiating apparatus for LED lamp of the stepped setting in fin side in another embodiment of the present utility model;
Fig. 6 is the front view of the efficient radiating apparatus for LED lamp of the stepped setting in fin side in another embodiment of the present utility model;
Fig. 7 be two groups of the stepped setting in side in an embodiment of the present utility model heat radiations be contained in LED lamp with the use of schematic diagram.
In figure: 1, LED, 2, base plate, 3, fin, 4, limiting section, 5, elastic component, 6, screw mandrel, 7, nut, 8, kink.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
Should be appreciated that used herein such as " have ", existence or the interpolation of other elements one or more or its combination do not allotted in " comprising " and " including " term.
Fig. 1~Fig. 7 illustrates according to a kind of way of realization of the present utility model, including:
Base plate 2, its side is used for mounted LED lamp 1;
Radiator, it is connected to the opposite side of described base plate 2, and described radiator has multiple from described base plate to the multiple fin 3 extended away from LED direction;
Clamp device, it has the limiting section 4 being arranged at intervals between the plurality of fin 3, and described clamp device is detachably connected to described radiator, it is simple to the later period maintenance of fin and the adjustment of inter fin space;
Elastic component 5, it flexibly connects described clamp device and base plate 2, in order to be fixed on floor by radiator.
In this technical scheme, the foil that heat conductivity is higher is processed in true form cutting according to LED shell, and after removably radiator being fastenedly connected, it is arranged on base plate by an elastic component, derives for the heat that the LED lamp of base plate opposite side is operationally produced.The shell of general LED lamp all offers the convection current passage with outside air, the heat that LED produces when luminescence passes to radiator from base plate and is lost in external environment by the passage on lamp housing, without the accessory of forced convertion, the effect that high heat dissipates can be reached.
In such scheme, clamp device is detachably connected to a kind of implementation of described radiator and is: described clamp device also includes two ends and is provided with the screw mandrel 6 of screw thread, described fin 3 and limiting section 4 are provided with corresponding through hole, and after the removably connecting of described clamp device and radiator sequentially passes through described through hole by screw mandrel, its two ends nut 7 that is spirally connected respectively realizes.
In such scheme, between bottom and the described base plate 2 of described fin 3, it is filled with one layer of heat-conducting cream, to improve the base plate heat-conducting effect to fin.
In such scheme, being provided with one 90 ° of kinks 8 bottom described fin, described kink contacts with described base plate, to increase the thermal conductive contact area of fin and base plate.
In such scheme, described fin is aluminium flake or copper sheet, and the heat conductivity of aluminum is up to 209W/m k, and good processability, cost are low;The pyroconductivity of copper is 390W/m k, higher than aluminum, but ratio aluminum weight about three times, and does not have aluminium flake to be easily worked, thus generally fin can prioritizing selection aluminium flake, when the application scenario of radiator be limited to transport properties attach most importance to time, it is common to use copper sheet.
In such scheme, the difformity according to LED lamp:
Seeing figures.1.and.2, a kind of implementation of the plurality of fin 3 is:
It is contour setting that fin extends along direction, it is parallel to each other between fin, the spacing keeping suitable between abutting fins forms the ventilation slot that heat scatters and disappears with external environment convection current, can be beneficial to distributing of integrated chip heat by the quantity or height increasing heat radiation area increasing fin.
Wherein, fin is aluminium flake, the height of fin is 80mm, and the spacing between fin is 7mm, and the thickness of fin is 1.8mm, LED is single the integrated chip of 100W, the heat dispersion overall for considering LED, is placed in the air-conditioning confined chamber of 25 DEG C, when LED operation by light fixture, its junction temperature is measured by every 6h, and after 90h, the average junction temperature temperature rise of system is 15 DEG C.
With reference to Fig. 3 and Fig. 4, the another kind of implementation of the plurality of fin 3 is:
Fin extends along the stepped setting in direction, and makes entirety side, fin top form the approximate peak shape that can match or an arcuate structure with lamp housing, to be applied to lamp housing cross section along the diminishing LED lamp of fin bearing of trend;
Wherein, fin is the height of copper sheet fin is 200~500mm, spacing between fin is 10mm, the thickness of fin is 0.5mm, LED is single the integrated chip of 200W, the heat dispersion overall for considering LED, light fixture is placed in the air-conditioning confined chamber of 30 DEG C, when LED operation, its junction temperature is measured by every 6h, and after 90h, the average junction temperature temperature rise of system is 14 DEG C.
Another kind of implementation with reference to the plurality of fin of Fig. 5~Fig. 73 is:
The plurality of fin extends along the stepped setting in direction, and it is contour or stepped setting that edge is perpendicular at least side, direction of its extension, with the radiating requirements suitable in elongated shape LED lamp.With reference to Fig. 7, two pack heat dissipation devices being made up of multiple fin respectively are arranged on the base plate of a relatively slender type light fixture, on light fixture is longitudinal, the side on the top of two heat abstractors is in approximate peak shape or arcuate structure, at lamp housing transversely, the adjacent inner side of two heat abstractors is all in isometric setting, and to avoid interference when two radiators are installed, the outside entirety of two heat abstractors is in approximate peak shape or arcuate structure.
Wherein, fin is aluminium flake, the height of fin is 100~160mm, and the spacing between fin is 11mm, and the thickness of fin is 1.2mm, two LED are the integrated chip of 100W, the heat dispersion overall for considering LED, is placed in the air-conditioning confined chamber of 35 DEG C, when LED operation by light fixture, its junction temperature is measured by every 6h, and after 90h, the average junction temperature temperature rise of system is 16 DEG C.
Further, the way of realization of the plurality of fin is not limited to this, and it can carry out different bending according to the difformity of LED lamp, cut out fabrication design, and is standardized producing the radiating requirements to meet LED lamp to the full extent.
Number of devices described herein and treatment scale are used to simplify explanation of the present utility model.The application of the efficient radiating apparatus for LED lamp of the present utility model, modifications and variations be will be readily apparent to persons skilled in the art.
As it has been described above, according to this utility model, radiator can ensure that the area of dissipation of LED lamp every watt is at 150cm2Above, can meeting the radiating requirements of 200W high-power LED lamp long-time stable very well a relatively low temperature under Natural Convection Conditions, the life-span of LED lamp can promote 2~3 times;
Additionally, this utility model radiator does not need die casting molding, using flake aluminum or copper sheet to process, what considerably reduce mould hundreds of thousands even several ten million is designed and manufactured as this, and the cycle of product development also substantially shortens;
In addition, this utility model can need for the actual heat radiation of the difformity of light fixture and integrated chip, fin is designed flexibly and can component standardization produce, and while being effectively ensured radiator heat-dissipation ability, significantly reduce the weight of radiator, it is simple to LED lamp application in high bar field lighting.
Although embodiment of the present utility model is disclosed as above, but it is not restricted in description and embodiment listed utilization.It can be applied to various applicable field of the present utility model completely.For those skilled in the art, it is easily achieved other amendment.Therefore, under the general concept limited without departing substantially from claim and equivalency range, this utility model is not limited to specific details and shown here as the legend with description.

Claims (10)

1. the efficient radiating apparatus for LED lamp, it is characterised in that including:
Base plate, its side is used for mounted LED lamp;
Radiator, it is connected to the opposite side of described base plate, and described radiator has multiple from described base plate to the multiple fin extended away from LED direction;
Clamp device, it has the limiting section being arranged at intervals between the plurality of fin, and described clamp device is detachably connected to described radiator;
Elastic component, it flexibly connects described clamp device and base plate.
2. the efficient radiating apparatus for LED lamp as claimed in claim 1, it is characterized in that, described clamp device also includes two ends and is provided with the screw mandrel of screw thread, described fin and limiting section are provided with corresponding through hole, and after the removably connecting of described clamp device and radiator sequentially passes through described through hole by screw mandrel, its two ends nut that is spirally connected respectively realizes.
3. the efficient radiating apparatus for LED lamp as claimed in claim 1, it is characterised in that it is contour or stepped setting that the plurality of fin extends along direction.
4. the efficient radiating apparatus for LED lamp as claimed in claim 3, it is characterised in that it is contour or stepped setting that the plurality of fin edge is perpendicular at least side, direction of its extension.
5. the efficient radiating apparatus for LED lamp as claimed in claim 1, it is characterised in that be filled with one layer of heat-conducting cream between bottom and the described base plate of described fin.
6. the efficient radiating apparatus for LED lamp as claimed in claim 1, it is characterised in that being provided with one 90 ° of kinks bottom described fin, described kink contacts with described base plate.
7. the efficient radiating apparatus for LED lamp as claimed in claim 1, it is characterised in that described fin is aluminium flake or copper sheet.
8. the efficient radiating apparatus for LED lamp as claimed in claim 1, it is characterised in that the spacing between the plurality of fin is 7~12mm.
9. the efficient radiating apparatus for LED lamp as claimed in claim 1, it is characterised in that the thickness of described fin is 0.3~2mm.
10. the efficient radiating apparatus for LED lamp as claimed in claim 1, it is characterised in that the height of described fin is 60~500mm.
CN201521069827.4U 2015-12-21 2015-12-21 A high -efficient heat abstractor for LED lamps and lanterns Active CN205351258U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521069827.4U CN205351258U (en) 2015-12-21 2015-12-21 A high -efficient heat abstractor for LED lamps and lanterns

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Application Number Priority Date Filing Date Title
CN201521069827.4U CN205351258U (en) 2015-12-21 2015-12-21 A high -efficient heat abstractor for LED lamps and lanterns

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105423255A (en) * 2015-12-21 2016-03-23 苏州佳亿达电器有限公司 Efficient heat dissipation device for LED lamps
CN106838845A (en) * 2017-01-24 2017-06-13 维沃移动通信有限公司 A kind of terminal flash lamp design and mobile terminal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105423255A (en) * 2015-12-21 2016-03-23 苏州佳亿达电器有限公司 Efficient heat dissipation device for LED lamps
CN106838845A (en) * 2017-01-24 2017-06-13 维沃移动通信有限公司 A kind of terminal flash lamp design and mobile terminal

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