CN205324550U - Heat dissipation aluminum plate and ultra -thin radiator of LED lamps and lanterns - Google Patents
Heat dissipation aluminum plate and ultra -thin radiator of LED lamps and lanterns Download PDFInfo
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- CN205324550U CN205324550U CN201521106984.8U CN201521106984U CN205324550U CN 205324550 U CN205324550 U CN 205324550U CN 201521106984 U CN201521106984 U CN 201521106984U CN 205324550 U CN205324550 U CN 205324550U
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Abstract
The utility model provides a heat dissipation aluminum plate and ultra -thin radiator of LED lamps and lanterns, a heat dissipation aluminum plate is formed by a mutually unidimensional aluminum plate and the 2nd aluminum plate punching press, the local cellular passageway that is formed with mutual intercommunication between an aluminum plate and the 2nd aluminum plate, it has superconducting medium to hold in the cellular passageway. Aluminium matter radiator is by the integrative stamping forming of double -deck aluminum plate. The utility model discloses an aluminium matter radiator can directly be used as the shell of lamps and lanterns, and it is various to model, has superstrong heat dispersion, is particularly suitable for using with the cooperation of high -power LED light source subassembly to the heat dissipation demand that high -power LED sent out optical module is satisfied in succinct design.
Description
Technical field
The present invention relates to LED illumination device technical field, more particularly to the heat dissipation technology of LED lamp。
Background technology
Along with the development of LED street lamp technology, high-power high lumen becomes trend, and therefore the housing heat dispersion of LED street lamp becomes the technical bottleneck that restriction LED street lamp power increases。
The patent zl201520208157.3 (shown in Fig. 1) that applicant holds adopts heat-conducting copper pipe 200 as heat-conducting piece, is conducted by the heat of aluminium base 300 and realizes dispelling the heat to radiating aluminium sheet 100。Heat-conducting copper pipe can be selected for the superconduction copper pipe that heat transfer rate is 300,000 W/M.K, adopts 40 radiating aluminium sheets to provide heat radiation for 250W light fixture。Utilize superconduction copper pipe so that the heat dispersion of radiator is greatly improved。But at some, fitting structure lightness is required higher occasion, such as narrow industrial and mineral occasion, or light fixture aesthetics is required higher occasion, such as Municipal illuminating lamp etc., this radiator is bulky, cannot meeting the design requirement of light fixture, therefore the heat dissipation problem of these occasion high-power LED (light emitting diode) lighting equipments still cannot effectively be solved。
Summary of the invention
The present invention proposes a kind of ultrathin radiator suitable in LED street lamp, it is possible to uses as lamp casing, has high heat transfer rate simultaneously, it is possible to quickly by heat diversion LED light-emitting component, be suitable for great power LED illuminating module with the use of。Additionally, this ultrathin radiator can make various outer shape by means of mould, it is possible to meet people's diversified demand to light fixture outward appearance。
Specifically, the present invention provides a kind of heat-dissipating aluminium plate, it is characterised in that be stamped to form by the first aluminium sheet of same size and the second aluminium sheet, it is partially formed with the honeycomb channels being interconnected between described first aluminium sheet and the second aluminium sheet, described honeycomb channels accommodates superconductive medium。
Preferably, the inwall of described honeycomb channels arranges capillary structure。
Preferably, described honeycomb channels has the end extended to described heat-dissipating aluminium plate adjacent edges, and described superconductive medium passes into described honeycomb channels from described end。
Preferably, the outer surface of described second aluminium sheet has the cellular projection corresponding with described honeycomb channels。
The ultrathin radiator of a kind of LED lamp being made up of any one heat-dissipating aluminium plate aforementioned, it is characterised in that by the stamped stretching integral molding of described heat-dissipating aluminium plate, and be used as the housing of LED lamp。
Preferably, the thickness of described ultrathin radiator is 2.5-3mm。
Preferably, the thickness of described first aluminium sheet is 2-2.5mm, and the thickness of described second aluminium sheet is 0.5mm。
Preferably, described ultrathin radiator includes LED light source component installation portion。
Heat-dissipating aluminium plate provided by the invention, by arranging superconduction pipeline in inside, makes the heat dispersion of aluminium sheet be improved significantly, it is possible to reaching more than ten thousand times of common heat-dissipating aluminium plate, radiating rate can reach 300,000 W/M.K。Owing to it has excellent heat dispersion, housing and the radiator of light fixture can be also used as in LED lamp, eliminate and be separately provided radiator, simplify lamp body structure, it is possible to take into account attractive in appearance, frivolous, the diversified demand and high-power illumination demand that meet fitting structure design。
Accompanying drawing explanation
Embodiments of the present invention will be described in more detail by this specification in conjunction with the following drawings:
Fig. 1 is background technology schematic diagram；
Fig. 2 is the structural representation of heat-dissipating aluminium plate first embodiment of the present invention；
Fig. 3 is the structural representation of ultrathin radiator first embodiment of the present invention；
Fig. 4 is the structural representation of heat-dissipating aluminium plate the second embodiment of the present invention；
Fig. 5 is the structural representation of ultrathin radiator the second embodiment of the present invention；
Fig. 6 is the structural representation of heat-dissipating aluminium plate the 3rd embodiment of the present invention；
Fig. 7 is the structural representation of ultrathin radiator the 3rd embodiment of the present invention。
Detailed description of the invention
First embodiment
Fig. 2 illustrates the double-deck aluminium sheet 1 of first embodiment of the invention, and front is it can be seen that cellular protruding 2 are distributed in the surface of aluminum plate of local, and wherein cellular projection black line replaces, and actual projection has certain width so that inner passage has certain internal diameter。Described cellular protruding 2 correspond to honeycomb channels in the inside of double-deck aluminium sheet 1, and the internal connection of described honeycomb channels and at least one end 3 extend to aluminium sheet adjacent edges。Preferably, described honeycomb channels and described end 3 distance enough apart from edge so that aluminium sheet will not cut off described passage according to design when needing edge is cut。
The regional center at described honeycomb channels place reserves generally round white space 20, generally has connector traverse to install light source in this region, is therefore not provided with honeycomb channels。Straight communicating passage 10 without a plurality of connection honeycomb texture that be arranged in parallel in the region 20 of honeycomb channels。Being arranged to of pipeline 10 promotes superconductive medium flowing in honeycomb pipeline, and simultaneously linear structure will not to the area reducing clear area 20。It is understood that according to Design of Luminaires demand, it is necessary to the region that connector wears, sufficiently large area to be reserved at its periphery and be not provided with honeycomb conduits, during to avoid connector to wear, destroy the closure of honeycomb conduits。
Described honeycomb channels is after the opening of end 3, and internal evacuation is injected into phase change medium later, i.e. superconductive medium。Described phase change medium preferably employs the liquefied mixture of multiple inorganic elements, and phase change medium can be such as the water base superconductive liquid comprising the compositions such as zinc permanganate, magnesium chloride, sodium tetraborate, potassium dichromate, titanium dioxide。Certainly, the composition of phase change medium is not done too much restriction by the present invention。Superconductive medium heat conduction is rapid, and heat-transfer rate can reach tens thousand of W/M.K, so that double-deck aluminium sheet 1 becomes superconduction bilayer heat-dissipating aluminium plate, has high rate heat transport performance such that it is able to meet the needs of quick conductive。
Preferably, having capillary structure in honeycomb channels, capillary structure can be the fine structure that metal gauze, microchannels, cellosilk or powder sintered layer are constituted。These capillary structures can be molded over the surface of aluminium sheet in advance, and is retained in honeycomb channels when punch forming。
Make such a superconduction bilayer heat-dissipating aluminium plate, adopt following methods:
Step 1): first open a mould according to Design of Luminaires demand。Surface corresponding with the second aluminium sheet in described mould is formed cellular groove structure, the internal connection of described cellular groove structure and one end extend to die edge, and the cellular organization's structure in described cellular groove is cellular organization's structure that regular hexagon or long hexagon or other are suitable；
0.5mm second aluminium sheet of one block of 2.2mm first aluminium sheet and one piece of same size is put into punch forming in mould, and wherein the second aluminium sheet is thinner than the first aluminium sheet, it is preferable that two blocks of aluminium sheets have at least on a surface of a piece to be provided with capillary structure。
Step 2) Aluminum sheets have the one side of capillary structure relatively put into mould, it is heated to about 400-500 DEG C, carry out punch forming again, synthesize one piece of entirety, make double-deck aluminium sheet, being formed with honeycomb channels between wherein said double-deck aluminium sheet, the outer surface of the second aluminium sheet forms cellular projection, and described honeycomb channels forms opening at the edge of double-deck aluminium sheet；
Step 3) position perforate in the second aluminium sheet upper end 3 under room temperature state, from here to honeycomb channels evacuation, it is re-filled with heat transfer medium the end tapping solder up to honeycomb channels, makes superconduction bilayer aluminium sheet, namely sheet material radiator。
Capillary structure on aluminium sheet can by powder sintered formation, it is also possible to directly forms threaded configuration on aluminium sheet。
By the sheet material radiator after molding, through techniques such as traditional diel stretching, bending, punchings, can require to be fabricated to the ultrathin radiator with superior heat radiation performance according to light fixture appearance design, when described ultrathin radiator is applied in LED lamp, the housing at lamp luminescence light source back can be served as, also serve as radiator simultaneously and use。Even if LED light source power is very big, without extra radiator, it is possible to meet radiating requirements。Adopt such radiator, it is possible to realize the frivolous, diversified of light fixture。
Fig. 3 illustrates the front view of the ultrathin radiator in employing Fig. 2 made by superconduction bilayer heat-dissipating aluminium plate, described radiator is by being formed heat-dissipating aluminium plate bending, punching, the LED light source installation portion 4 of level is included and with LED light source installation portion 4 in substantially 75 heat dissipation region 5 spending angles, by arc transition between LED light source installation portion 4 and heat dissipation region 5 after molding。LED light source component is installed on LED light source installation portion by screw, and light source assembly and radiator entirety carry out hanging installation by means of hoisting structure (not shown)。After installation, heat dissipation region 5 is positioned at the side of light source hoisting structure, for the area of dissipation enough for LED light source offer。Heat dissipation region 5 also also serves as shell while providing heat radiation, and shape, like sail, simultaneously works as heat radiation, protection and triple role attractive in appearance。Aforementioned cellular shape pipeline is distributed in this heat dissipation region 5 and LED light source installation portion 4, in light resource installing section 4, reserve central area be not provided with honeycomb conduits, being located in central area for connector, centrally disposed region, hole 16 is for connector traverse, to fixedly mount light source assembly。
Second embodiment
Fig. 4 illustrates the schematic diagram of the superconduction bilayer heat-dissipating aluminium plate of second embodiment of the invention。Front is it can be seen that cellular protruding 2 ' are distributed in the surface of aluminum plate of local, and cellular intra-zone exists white space 20 ', the straight channel 10 ' of a plurality of connection honeycomb texture that be arranged in parallel in described white space 20 '。Described cellular protruding 2 ' correspond to honeycomb channels in the inside of double-deck aluminium sheet 1 ', and the internal connection of described honeycomb channels and at least one end 3 ' extend to aluminium sheet adjacent edges。Preferably, described honeycomb channels and described end 3 distance enough apart from edge so that aluminium sheet will not cut off described passage according to design when needing edge is cut。The method of the heat-dissipating aluminium plate making the second embodiment is identical with first embodiment, does not repeat them here。
Fig. 5 illustrates the ultrathin radiator in employing Fig. 4 made by superconduction bilayer heat-dissipating aluminium plate。This ultrathin radiator by heat-dissipating aluminium plate is cut, punching stretch, punching make, there is the symmetrical flat structure of substantially aerofoil profile, including heat dissipation region 5, LED light source installation portion 6, power storehouse 7, lamp stand installation portion 8 and structural strengthening portion 9。Wherein heat dissipation region 5 is positioned at wing end, spends angle horizontal by substantially 5, and for the area of dissipation enough for LED light source offer, aforementioned cellular shape pipeline is mainly distributed on this region。LED light source installation portion 6 is positioned at the substantially position of mass center of aerofoil profile, is the recessed structures with inclined end face recessed down that formed when punch forming of ultrathin radiator。When lamp installation, the inclined end face of light resource installing section 6 is preferably horizontal by 10 degree of angles。Power storehouse 7 is between light resource installing section 6 and lamp stand installation portion 8 and adjacent with the two, and power storehouse 7 is also the rectangular recessed structure recessed down that ultrathin radiator is formed when punch forming, and bottom surface is preferably horizontal plane。Lamp stand installation portion 8 is the half-cylinder structure arranged along the radiator axis of symmetry, it is preferred to upper half cylinder, naturally it is also possible to be lower half cylinder, and coordinates with the semicircle intermediate plate matched by means of the screw hole of both sides and screw and by lamp installation on cylinder lamp stand。Structural strengthening portion 9 is the concaveconvex structure that radiator is formed when punch forming。Owing to wing-type radiator development length forward is longer, between radiator power storehouse 7 and lamp stand installation portion 8, bear larger torque, therefore reinforcement structure is set in this region to increase the rigidity of light fixture。
3rd embodiment
Fig. 6 illustrates the schematic diagram of the superconduction bilayer heat-dissipating aluminium plate of third embodiment of the invention。Front is it can be seen that cellular protruding 2 " it is distributed in the surface of aluminum plate of local, center includes white space 20 "。Express different with the lines of Fig. 2, Fig. 6 expresses cellular projection with two-wire。Described cellular protruding 2 " at double-deck aluminium sheet 1 " inside correspond to honeycomb channels, the internal connection of described honeycomb channels and at least one end 3 " extend to aluminium sheet edge。The method of the heat-dissipating aluminium plate making the 3rd embodiment is identical with first embodiment, does not repeat them here。
Fig. 7 illustrates the ultrathin radiator in employing Fig. 6 made by superconduction bilayer heat-dissipating aluminium plate。Radiator is substantially in the form of annular discs, dome portion 12, planar portions 13 and the domatic platform 14 include centre bore 11 successively from center to periphery, upwards swelling。Wherein centre bore is used for wearing lamp-mounting structure, and dome portion for having coordinated increase light fixture rigidity and thermolysis with inner reinforcing elements, and planar portions light source assembly mounted below, domatic platform is for coordinating with housing。Described honeycomb channels is distributed in dome portion 12 and planar portions 13。This radiator when installing and using, vault dome top surface 12 and all visible cellular protruding (not shown) of planar portions 13。Further, planar portions 13 offers the through hole 15 for mounted lamp water joint and respiratory organ。In Fig. 6, the region of alveolate texture includes some breach and is contemplated to design in these gap regions by through hole 15 in periphery, it is to avoid processing through hole 15 destroys cellular through hole。When additionally in Fig. 6, other breach is for avoiding light source assembly to be arranged on aluminium sheet lower surface, connector destroys cellular through hole。
Last it is noted that above-described each embodiment is merely to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in previous embodiment still can be modified by it, or wherein part or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme。
Claims (9)
1. a heat-dissipating aluminium plate, it is characterised in that be stamped to form by the first aluminium sheet of same size and the second aluminium sheet, is partially formed with the honeycomb channels being interconnected, accommodates superconductive medium in described honeycomb channels between described first aluminium sheet and the second aluminium sheet。
2. heat-dissipating aluminium plate according to claim 1, it is characterised in that the inwall of described honeycomb channels arranges capillary structure。
3. heat-dissipating aluminium plate according to claim 1, it is characterised in that described honeycomb channels has the end extended to described heat-dissipating aluminium plate adjacent edges, and described superconductive medium passes into described honeycomb channels from described end。
4. heat-dissipating aluminium plate according to claim 1, it is characterised in that the outer surface of described second aluminium sheet has the cellular projection corresponding with described honeycomb channels。
5. heat-dissipating aluminium plate according to claim 1, it is characterised in that described first aluminium sheet and the second aluminium sheet are O state aluminium sheet。
6. the ultrathin radiator of the LED lamp being made up of the heat-dissipating aluminium plate of any one of claim 1-4, it is characterised in that by the stamped stretching integral molding of described heat-dissipating aluminium plate, and be used as the housing of LED lamp。
7. ultrathin radiator according to claim 6, it is characterised in that the thickness of described ultrathin radiator is 2.5-3mm。
8. ultrathin radiator according to claim 7, it is characterised in that the thickness of described first aluminium sheet is 2-2.5mm, the thickness of described second aluminium sheet is 0.5mm。
9. ultrathin radiator according to claim 6, it is characterised in that described ultrathin radiator includes LED light source component installation portion。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106984.8U CN205324550U (en) | 2015-12-24 | 2015-12-24 | Heat dissipation aluminum plate and ultra -thin radiator of LED lamps and lanterns |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521106984.8U CN205324550U (en) | 2015-12-24 | 2015-12-24 | Heat dissipation aluminum plate and ultra -thin radiator of LED lamps and lanterns |
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| CN205324550U true CN205324550U (en) | 2016-06-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436346A (en) * | 2015-12-24 | 2016-03-30 | 广东昭信照明科技有限公司 | Ultra-thin radiator for LED (light-emitting diode) lamp, radiating aluminum board and manufacturing method for radiating aluminum board |
| CN108687208A (en) * | 2018-05-15 | 2018-10-23 | 浙江晨丰科技股份有限公司 | A kind of lamps and lanterns heat dissipation aluminum component and its processing technology and lamps and lanterns |
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2015
- 2015-12-24 CN CN201521106984.8U patent/CN205324550U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436346A (en) * | 2015-12-24 | 2016-03-30 | 广东昭信照明科技有限公司 | Ultra-thin radiator for LED (light-emitting diode) lamp, radiating aluminum board and manufacturing method for radiating aluminum board |
| CN105436346B (en) * | 2015-12-24 | 2018-02-16 | 广东昭信照明科技有限公司 | A kind of LED lamp ultrathin radiator and a kind of heat-dissipating aluminium plate and its manufacture method |
| CN108687208A (en) * | 2018-05-15 | 2018-10-23 | 浙江晨丰科技股份有限公司 | A kind of lamps and lanterns heat dissipation aluminum component and its processing technology and lamps and lanterns |
| CN108687208B (en) * | 2018-05-15 | 2024-05-28 | 浙江晨丰科技股份有限公司 | Lamp heat dissipation aluminum part, processing technology thereof and lamp |
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