CN101513662A - Method for manufacturing radiator with radiating fins and structure of radiator - Google Patents
Method for manufacturing radiator with radiating fins and structure of radiator Download PDFInfo
- Publication number
- CN101513662A CN101513662A CNA2008100805274A CN200810080527A CN101513662A CN 101513662 A CN101513662 A CN 101513662A CN A2008100805274 A CNA2008100805274 A CN A2008100805274A CN 200810080527 A CN200810080527 A CN 200810080527A CN 101513662 A CN101513662 A CN 101513662A
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- adjutage
- substrate
- radiating fin
- heat radiation
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention relates to a method for manufacturing a radiator with radiating fins and a structure of the radiator, wherein the manufacturing method comprises the following steps: providing a substrate which comprises a base and a plurality of extending arms, and making clearance exist between each extending arm and other two extending arms adjacent to the extending arm; and providing a plurality of radiating fins, and inserting the radiating fins into the clearance between the extending arms corresponding to the substrate, wherein each radiating fin comprises a base sheet and two heat sinks, and the two heat sinks of each radiating fin are inserted into the clearance between the corresponding extending arm and the other two extending arms adjacent to the extending arm; and bending and pressing Each extending arm of the substrate to make one side wall surface of both opposite side wall surfaces forming each extending arm closely butt against one surface of both opposite surfaces forming each heat sink. The method has the advantage of avoiding losing thermal conduction.
Description
Technical field
The present invention relates to a kind of manufacturing method of heat radiator and structure thereof, relate in particular to and a kind ofly do not use scolder and weld manufacturing method of heat radiator and structure thereof radiating fin, that have radiating fin with radiating fin.
Background technology
Application Of Radiator is very extensive, it generally is used for producing in the electronic component (as CPU) of thermal source or the light fixture (as halogen, LED lamp) etc., to reach the purpose of assisting heat radiation, wherein general with radiator with radiating fin, shown in Figure 1 is known a kind of radiator, and it is being fixed in a plurality of equidistant side by side radiating fins 13 that are provided with on the end face 111 of pedestal 11 by scolder 12 and the mode of using reflow on end face 11 1 of a pedestal 11.
And the usefulness of radiating fin 13 is intended to roll up the area of heat radiation, by the bottom surface 112 contact thermals source of pedestal 11, and then by after pedestal 11 absorptions thermal source being conducted to rapidly on each surface 131 of each radiating fin 13, to reach the purpose of assisting heat radiation.
But because radiating fin 13 is to be welded on the end face 111 of pedestal 11 by scolder 12, and the coefficient of heat conduction of scolder 12 is different with radiating fin 13 with pedestal 11, thereby make when thermal source conducts to radiating fin 13, scolder 12 will cause heat conducting loss, make thermal source conduct to the deleterious that radiating fin 13 dispels the heat.Therefore, how visualizing a kind of radiator that can make thermal source carry out efficiently radiates heat, is a problem that can make improvements.
Therefore, the present invention proposes a kind of reasonable in design and manufacturing method of heat radiator and the structure thereof effectively improving above-mentioned defective and solve, have radiating fin.
Summary of the invention
The objective of the invention is to propose a kind of scolder that do not use and reach manufacturing method of heat radiator and structure thereof heat radiation functions such as electronic component, that have radiating fin to avoid heat conduction loss and to have.
According to feature of the present invention, a kind of manufacturing method of heat radiator with radiating fin is proposed, this method comprises the following steps: to provide a substrate, it comprises a base portion and a plurality of adjutage, this base portion has end face, bottom surface and sidewall, extend from the sidewall of this base portion described adjutage compartment of terrain, each adjutage and be adjacent have the gap between two adjutages in addition; A plurality of radiating fins are provided, it is inserted in the gap between the corresponding adjutage of this substrate, each radiating fin comprises a substrate and is connected in the heat radiation plate of these substrate both sides, two of each radiating fin heat radiation plates plug in the gap between corresponding adjutage and adjacent with this adjutage two adjutages in addition, and each heat radiation plate all has relative top ends and bottom; And each adjutage of bending and this substrate of pressing, side wall surface in the two lateral walls face that forms each adjutage closely is connected on the surface in relative two surfaces that form each heat radiation plate, and makes the top ends of two heat radiation plates of each radiating fin and end face and the bottom surfaces that the bottom is stretched out this substrate respectively.
Perhaps, in above-mentioned step, can provide two substrates that pile up mutually, wherein each adjutage of a substrate is corresponding to each gap of another substrate; Each radiating fin is inserted between the described two substrates in the gap between the corresponding adjutage.
According to feature of the present invention, a kind of heat spreader structures with radiating fin is proposed again, this structure comprises: a substrate, comprise a base portion and a plurality of adjutage, this base portion has end face, bottom surface and sidewall, extend from the bending of the sidewall of this base portion described adjutage compartment of terrain, each adjutage and be adjacent have the gap between two adjutages in addition; And a plurality of radiating fins, it respectively comprises a substrate and is connected in the heat radiation plate of described substrate both sides, each heat radiation plate all has relative top ends and bottom, two of each radiating fin heat radiation plates plug in the gap between corresponding adjutage and adjacent with this adjutage two adjutages in addition, and a side wall surface that forms the relative two side walls of each adjutage closely is connected on the surface that forms in each heat radiation plate two opposite surfaces, the top ends of two heat radiation plates of each radiating fin and end face and the bottom surface that the bottom is stretched out this substrate respectively.
Perhaps, aforesaid substrate can be made as two and also pile up mutually, and wherein each adjutage of a substrate is corresponding to each gap of another substrate; Two of each radiating fin heat radiation plates plug in the gap between the corresponding adjutage of described two substrates and adjacent with this adjutage two adjutages in addition.
The effect that the present invention has: be used to plug radiating fin by the gap between each adjutage that makes substrate, and by the two side walls of each adjutage closely fix the heat radiation plate radiating fin can firmly be fixed, compare with known mode with the welding fixed radiator fin, the present invention does not use scolder and can avoid heat conducting loss, and whole manufacturing step of the present invention is simple, can not increase the degree of difficulty in the assembly.
Secondly, end face in the substrate or bottom surface, or an end face in the two substrates or a bottom surface, all can touch the electronic component that can produce thermal source in order to subsides, the top ends of each heat radiation plate and end face and the bottom surface that the bottom all stretches out in substrate, like this, make that the air-flow of cooling/thermal source can two-way ground water conservancy diversion be gone into/for the end face of substrate and the direction of bottom surface, thus have more the heat radiation function that reaches electronic component easily.
Reach technology, method and the effect that set purpose is taked in order further to understand the present invention, see also following about detailed description of the present invention and accompanying drawing, believe purpose of the present invention, feature and characteristics, can obtain therefrom going deep into and concrete understanding, yet accompanying drawing only is used to provide reference and explanation, is not to be used for the present invention is limited.
Description of drawings
Fig. 1 is the schematic perspective view of known radiator.
Fig. 2 is a flow chart of steps of the present invention.
Fig. 3 is a substrate stereogram of the present invention.
Fig. 4 is three-dimensional decomposition of the part of substrate of the present invention and radiating fin and constitutional diagram.
Fig. 5 is the three-dimensional combination figure of substrate of the present invention and radiating fin.
Fig. 6 is the front view of the A part of Fig. 5.
Fig. 7 is the three-dimensional exploded view of another embodiment of substrate of the present invention.
Fig. 8 is the perspective exploded view () of another embodiment and the radiating fin of substrate of the present invention.
Fig. 9 is the perspective exploded view (two) of another embodiment and the radiating fin of substrate of the present invention.
Wherein, description of reference numerals is as follows:
Side wall surface 221,221 ' gap 23,23 ' radiating fin 3
322 surfaces 323, bottom
The specific embodiment
See also Fig. 2 to shown in Figure 5, the present invention proposes a kind of manufacturing method of heat radiator and structure thereof, and wherein, this manufacture method comprises the following steps:
(1) provides a substrate 2, it comprises a base portion 21 and a plurality of adjutage 22, this base portion 21 has end face 211, bottom surface 212 and sidewall 213, extend and moulding from the sidewall 213 of this base portion 21 described adjutage 22 compartment of terrains, and what each adjutage 22 was adjacent has gap 23 between two adjutages 22 in addition.
(2) provide a plurality of radiating fins 3, it is inserted in the gap 23 between these substrate 2 corresponding adjutages 22, and each radiating fin 3 comprises a substrate 31 and be connected in the heat radiation plate 32 of these substrate 31 both sides.
Wherein, two of each radiating fin 3 heat radiation plates 32 plug in the gap 23 between above-mentioned corresponding adjutage 22 and adjacent with this adjutage two adjutages 22 in addition, and each heat radiation plate 32 all has relative top ends 321 and bottom 322.
(3) each adjutage 22 of bending and this substrate 2 of pressing, side wall surface 221 in the two lateral walls face 221 that forms each adjutage 22 closely is connected on the surface 323 (as Fig. 6) in relative two surfaces 323 that form each heat radiation plate 32, and two the dispel the heat top ends 321 of plates 32 and the end face 211 and the bottom surfaces 212 of the base portion 21 that bottom 322 is stretched out this substrate 2 respectively making each radiating fin 3 simultaneously, thereby become radiator goods.
The bending of above-mentioned steps (3) and the technological means of pressing are towards base portion 21 reflexeds (reflexed up or down with the free end of each adjutage 22, be example with reflexed upwards among the embodiment among the present invention), so that each adjutage 22 is the state that bending is extended from the sidewall 213 of base portion 21, and each adjutage 22 of pressing so that its two side walls 221 can both closely be connected on the heat radiation plate 32 of corresponding radiating fin 3, thereby make each radiating fin 3 can directly firmly be fixed in the lateral margin place of substrate 2.
Via above-mentioned explanation, heat spreader structures of the present invention comprises above-mentioned substrate 2 and a plurality of radiating fin 3, and each adjutage 22 of substrate 2 extends and moulding from sidewall 213 bendings of base portion 21, and all have gap 23 between each adjutage 22 and in addition two adjutages 22 of being adjacent, each radiating fin 3 promptly is arranged in the gap 23 of corresponding adjutage 22 on the substrate 2, and the side wall surface 221 in the two side walls 221 of each adjutage 22 closely is connected on the surface 323 in two surfaces 323 of each heat radiation plate 32, the top ends 321 of two of each radiating fin 3 heat radiation plates 32 and end face 211 and the bottom surfaces 212 that bottom 322 is stretched out substrate 2 respectively.
Wherein, the base portion 21 of aforesaid substrate 2 can be a circular plate body, and each adjutage 22 promptly is located on sidewall 213 places of the base portion 21 of circular plate body, certainly, above-mentioned base portion 21 also can be a polygon plate body (as quadrangle), and described adjutage 22 promptly extends and moulding from each sidewall 213 of this base portion 21 respectively; Preferably, base portion 21 is circular plate body, and therefore, the radiating fin 3 that can help in the above-mentioned steps (2) plugs in the mode of automation, thereby can produce in a large number; Say that further each radiating fin 3 can adopt artificial mode and be inserted in regular turn on the substrate 2, also can use the mode of automation to plug certainly, thereby reach the purpose of quick production.In addition, substrate 2 can be a metalwork identical material, that have thermal diffusivity with radiating fin 3, as copper, aluminium etc.
Fig. 7 to shown in Figure 9 be another embodiment of the present invention, the main difference part of the step of itself and the foregoing description is:
(1) provides two substrates 2,2 ', and two substrates 2,2 ' are piled up mutually, each adjutage 22 ' of one of them substrate 2 ' is corresponding to each gap 23 of another substrate 2, makes two substrates 2,2 ' adjutage 22, interlaced about in the of 22 '.
(2) each radiating fin 3 is inserted in the corresponding adjutage between two substrates 2,2 ' 22,22 ' gap 23,23 ', two heat radiation plates 32 of each radiating fin 3 promptly plug corresponding adjutage 22,22 ' and adjacent with described adjutage two adjutages in addition 22,22 ' between gap 23,23 ' in.
(3) bending and two substrates of pressing 2, each adjutage 22,22 ' of 2 ' closely are connected on the surface 323 in relative two surfaces 323 that form each heat radiation plate 32 side wall surface 221,221 ' that forms in each adjutage 22,22 ' two lateral walls face 221,221 '.
Wherein, the bending in the present embodiment step (3) and the technological means of pressing, as shown in Figure 8, can be with two substrates 2,2 ' adjutage 22,22 ' free end in the same way towards two base portions 21,21 ' reflexed (can be up or down); Perhaps, as shown in Figure 9, can be with two substrates 2,2 ' adjutage 22,22 ' free end mutually oppositely towards two base portions 21,21 ' reflexed, promptly the free end of each adjutage 22 of one of them substrate 2 after the bending is in reverse to the free end of each adjutage 22 ' of another substrate 2 '.
Thus, the heat spreader structures of present embodiment promptly comprises above-mentioned two substrates that pile up mutually 2,2 ' and a plurality of radiating fin 3, and each substrate 2,2 ' adjutage 22,22 ' compartment of terrain extend from base portion 21,21 ' sidewall 213,213 ' bending, and each adjutage 22 ' of one of them substrate 2 ' is corresponding to each gap 23 of another substrate 2.
Each radiating fin 3 promptly is arranged in the corresponding adjutage between two substrates 2,2 ' 22,22 ' gap 23,23 ', and two of each radiating fin 3 heat radiation plates 32 promptly plug corresponding adjutage 22,22 ' and adjacent with described adjutage two adjutages in addition 22,22 ' between gap 23,23 ' in, and form a side wall surface 221,221 ' in each adjutage 22,22 ' two lateral walls face 221,221 ' and closely be connected on the surface 323 in relative two surfaces 323 that form each heat radiation plate 32.
In addition, two substrates 2,2 ' adjutage 22,22 ' free end can extend in the same way; Perhaps, two substrates 2,2 ' adjutage 22,22 ' free end can oppositely extend mutually.
Comprehensive above-mentioned explanation, the present invention is used to plug radiating fin 3 by making the gap 23,23 ' between the substrate 2, each adjutage of 2 ' 22,22 ', and closely fix heat radiation plate 32 by each adjutage 22,22 ' two side walls 221,221 ' radiating fin 3 can firmly be fixed, compare with known mode with the welding fixed radiator fin, the mode of scolder of not using of the present invention can be avoided heat conducting loss, and whole manufacturing step of the present invention is simple, can not increase the degree of difficulty in the assembly; Simultaneously, (scolder contains lead usually not use scolder also to have environmental protection function; Lead-free solder then has the problem that raises the cost).
Secondly, end face 211 in the substrate 2 or bottom surface 212, or an end face 211 ' or a bottom surface 212 in the two substrates 2,2 ', all can touch the electronic component that can produce thermal source (as the LED lamp etc.) in order to subsides, each the heat radiation top ends 321 of plate 32 and bottom 322 stretch out in substrate 2,2 ' end face 211,211 ' and bottom surface 212,212 ' respectively, like this, make the air-flow of cooling/thermal source can two-way ground water conservancy diversion go into/and for substrate 2,2 ' end face 211,211 ' and bottom surface 212,212 ' direction, thus the effect that reaches electronic element radiating easily had more.
Above-mentioned disclosed accompanying drawing and explanation only are embodiments of the invention, those skilled in the art can carry out other all remodeling according to above-mentioned explanation, and these remodeling still belong in inventive concept of the present invention and the scope that appending claims defined.
Claims (9)
1, a kind of manufacturing method of heat radiator with radiating fin is characterized in that, comprises following step:
One substrate is provided, and it comprises a base portion and a plurality of adjutage, and this base portion has end face, bottom surface and sidewall, and extend from the sidewall of this base portion described adjutage compartment of terrain, each adjutage and adjacent with this adjutage have the gap between two adjutages in addition;
A plurality of radiating fins are provided, described radiating fin is inserted in the gap between the corresponding adjutage of this substrate, each radiating fin comprises a substrate and is connected in the heat radiation plate of these substrate both sides, two of each radiating fin heat radiation plates plug in the gap between corresponding adjutage and adjacent with this adjutage two adjutages in addition, and each heat radiation plate all has relative top ends and bottom; And
Each adjutage of bending and this substrate of pressing, side wall surface in the two lateral walls face that forms each adjutage closely is connected on the surface in relative two surfaces that form each heat radiation plate, and makes the top ends of two heat radiation plates of each radiating fin and end face and the bottom surfaces that the bottom is stretched out this substrate respectively.
2, the manufacturing method of heat radiator with radiating fin as claimed in claim 1 is characterized in that, the free end of each adjutage is towards this base portion reflexed.
3, a kind of heat spreader structures with radiating fin is characterized in that, comprising:
One substrate, it comprises a base portion and a plurality of adjutage, and this base portion has end face, bottom surface and sidewall, and extend from the bending of the sidewall of this base portion described adjutage compartment of terrain, each adjutage and adjacent with this adjutage have the gap between two adjutages in addition; And
A plurality of radiating fins, each described radiating fin respectively comprises a substrate and is connected in the heat radiation plate of these substrate both sides, each heat radiation plate all has relative top ends and bottom, two of each radiating fin heat radiation plates plug in the gap between corresponding adjutage and adjacent with this adjutage two adjutages in addition, and form a side wall surface in the two lateral walls face of each adjutage and closely be connected on the surface in relative two surfaces that form each heat radiation plate the top ends of two heat radiation plates of each radiating fin and end face and the bottom surfaces that the bottom is stretched out this substrate respectively.
4, a kind of manufacturing method of heat radiator with radiating fin is characterized in that, comprises following step:
Two substrates are provided, described two substrates are piled up mutually, each substrate comprises a base portion and a plurality of adjutage, this base portion has end face, bottom surface and sidewall, extend from this sidewall described adjutage compartment of terrain, each adjutage and adjacent with this adjutage have the gap between two adjutages in addition, each adjutage of one of them described substrate is corresponding to each gap of another described substrate;
A plurality of radiating fins are provided, described radiating fin is inserted between described two substrates in the gap between the corresponding adjutage, each radiating fin comprises a substrate and is connected in the heat radiation plate of these substrate both sides, two of each radiating fin heat radiation plates plug in the gap between this adjutage and adjacent with this adjutage two adjutages in addition, and each heat radiation plate all has relative top ends and bottom; And
Each adjutage of bending and described two substrates of pressing, side wall surface in the two lateral walls face that forms each adjutage closely is connected on the surface in relative two surfaces that form each heat radiation plate, and makes the top ends of two heat radiation plates of each radiating fin and end face and the bottom surfaces that the bottom is stretched out described two substrates respectively.
5, the manufacturing method of heat radiator with radiating fin as claimed in claim 4 is characterized in that, the free end of the adjutage of described two substrates is in the same way towards two base portion reflexeds.
6, the manufacturing method of heat radiator with radiating fin as claimed in claim 4 is characterized in that, the free end of the adjutage of described two substrates is mutually oppositely towards two base portion reflexeds.
7, a kind of heat spreader structures with radiating fin is characterized in that, comprising:
Two substrates, described substrate piles up mutually, each substrate comprises a base portion and a plurality of adjutage, this base portion has end face, bottom surface and sidewall, extend from this sidewall bending described adjutage compartment of terrain, each adjutage and adjacent with this adjutage have the gap between two adjutages in addition, each adjutage of one of them described substrate is corresponding to each gap of another described substrate; And
A plurality of radiating fins, described radiating fin respectively comprises a substrate and is connected in the heat radiation plate of these substrate both sides, each heat radiation plate all has relative top ends and bottom, two of each radiating fin heat radiation plates plug in the gap between described two corresponding adjutages of substrate and adjacent with this adjutage two adjutages in addition, and form a side wall surface in the two lateral walls face of each adjutage and closely be connected on the surface in relative two surfaces that form each heat radiation plate the top ends of two heat radiation plates of each radiating fin and end face and the bottom surfaces that the bottom is stretched out described two substrates respectively.
8, the heat spreader structures with radiating fin as claimed in claim 7 is characterized in that, the free end of the adjutage of described two substrates extends in the same way.
9, the heat spreader structures with radiating fin as claimed in claim 7 is characterized in that, the free end of the adjutage of described two substrates oppositely extends mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100805274A CN101513662B (en) | 2008-02-21 | 2008-02-21 | Method for manufacturing radiator with radiating fins and structure of radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100805274A CN101513662B (en) | 2008-02-21 | 2008-02-21 | Method for manufacturing radiator with radiating fins and structure of radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101513662A true CN101513662A (en) | 2009-08-26 |
| CN101513662B CN101513662B (en) | 2010-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100805274A Expired - Fee Related CN101513662B (en) | 2008-02-21 | 2008-02-21 | Method for manufacturing radiator with radiating fins and structure of radiator |
Country Status (1)
| Country | Link |
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| CN (1) | CN101513662B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328012A (en) * | 2011-05-27 | 2012-01-25 | 昆山能缇精密电子有限公司 | Automatic fin separating and riveting mould for LED (Light-Emitting Diode) lamp |
| CN104302147A (en) * | 2013-07-18 | 2015-01-21 | 技嘉科技股份有限公司 | Radiator and manufacturing method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3058818B2 (en) * | 1995-10-05 | 2000-07-04 | 山洋電気株式会社 | Heat sink for cooling electronic components |
| CN2881951Y (en) * | 2005-05-16 | 2007-03-21 | 杨开艳 | Radiator with radiation fin |
-
2008
- 2008-02-21 CN CN2008100805274A patent/CN101513662B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328012A (en) * | 2011-05-27 | 2012-01-25 | 昆山能缇精密电子有限公司 | Automatic fin separating and riveting mould for LED (Light-Emitting Diode) lamp |
| CN102328012B (en) * | 2011-05-27 | 2013-09-25 | 昆山能缇精密电子有限公司 | Automatic fin separating and riveting mould for LED (Light-Emitting Diode) lamp |
| CN104302147A (en) * | 2013-07-18 | 2015-01-21 | 技嘉科技股份有限公司 | Radiator and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101513662B (en) | 2010-12-15 |
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