CN103108522A - Radiating fins and radiating device and manufacturing method thereof - Google Patents
Radiating fins and radiating device and manufacturing method thereof Download PDFInfo
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- CN103108522A CN103108522A CN201110358139XA CN201110358139A CN103108522A CN 103108522 A CN103108522 A CN 103108522A CN 201110358139X A CN201110358139X A CN 201110358139XA CN 201110358139 A CN201110358139 A CN 201110358139A CN 103108522 A CN103108522 A CN 103108522A
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- radiating fin
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- heat abstractor
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- 238000004519 manufacturing process Methods 0.000 title claims description 64
- 238000000034 method Methods 0.000 claims description 89
- 238000000465 moulding Methods 0.000 claims description 66
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 26
- 239000007769 metal material Substances 0.000 claims description 24
- 238000004512 die casting Methods 0.000 claims description 14
- 239000004411 aluminium Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 12
- 239000006185 dispersion Substances 0.000 description 3
- 230000037396 body weight Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
A radiating device comprises a base and a plurality of radiating fins. Each radiating fin comprises a radiating portion, a fixed portion and a material-overflow preventing structure, wherein the fixed portion is fixed in the base, and the material-overflow preventing structure is connected between the radiating portion and the fixed portion. The material-overflow preventing structure is wider than the radiating portion and the fixed portion.
Description
Technical field
The present invention is relevant for a kind of radiating fin, heat abstractor and manufacture method thereof, espespecially a kind ofly can prevent the radiating fin of flash in the process of making heat abstractor.
Background technology
The development of heat abstractor and electronic product is closely bound up.Due to electronic product in when running, electric current in circuit can produce because of the impact of impedance unnecessary heat energy, if these heat energy can not effectively be got rid of and be accumulated on the electronic component of electronic product inside, just electronic component might damage because of the temperature that constantly raises.Therefore, it is very huge that the quality of heat abstractor affects the running of electronic product.
See also Fig. 1 and Fig. 2, Fig. 1 is the schematic diagram of the plate radiating fin 12 of prior art, and Fig. 2 is the schematic diagram of the column type radiating fin 22 of prior art.Generally speaking, be provided with plate radiating fin 12 shown in Figure 1 or column type radiating fin 22 shown in Figure 2 on heat abstractor.As Fig. 1 and shown in Figure 2, plate radiating fin 12 and column type radiating fin 22 are all by die casting processing procedure and pedestal 10,20 one-body molded.Due to the demoulding demand in the die casting processing procedure, plate radiating fin 12 all needs to have two to the three draft angle α that spend with column type radiating fin 22, so overall weight is heavier, and the fin height can be restricted.In addition, in the heat abstractor of formed objects, draft angle α can make number of fins less, causes area of dissipation not enough, and heat dispersion is relatively poor.
Summary of the invention
The invention provides and a kind ofly can prevent the radiating fin of flash in making the process of heat abstractor.This radiating fin can not need have the draft angle of radiating fin now with the molding manufacture procedure moulding, to solve the above problems.
According to an embodiment, the invention provides a kind of radiating fin, it comprises:
One radiating part;
One fixed part; And
One anti-flash structure is connected between this radiating part and this fixed part;
Wherein, the width of this anti-flash structure is greater than the width of this radiating part and width that should the anti-flash structure width greater than this fixed part.
Described radiating fin, wherein, this anti-flash structure from this fixed part outwards outstanding length between 1 millimeter and 10 millimeters.
Described radiating fin wherein, more comprises a groove structure, is formed on this fixed part.
Described radiating fin wherein, more comprises an overhead kick structure, is formed in this groove structure.
Described radiating fin wherein, more comprises an outstanding structure, and an end of this fixed part is outwards outstanding certainly.
Described radiating fin wherein, more comprises an extended structure, certainly should anti-flash structure extend to the direction of this fixed part.
Described radiating fin, wherein, this anti-flash structure and this extended structure are a font.
Described radiating fin, wherein, this anti-flash structure is equal thickness.
Described radiating fin, wherein, the thickness of this anti-flash structure changes in gradient.
According to another embodiment, the invention provides a kind of heat abstractor, it comprises:
One pedestal; And
A plurality of radiating fins, each this radiating fin comprises:
One radiating part;
One fixed part is fixed in this pedestal; And
One anti-flash structure is connected between this radiating part and this fixed part;
Wherein, the width of this anti-flash structure is greater than the width of this radiating part and width that should the anti-flash structure width greater than this fixed part.
Described heat abstractor, wherein, this anti-flash structure from this fixed part outwards outstanding length between 1 millimeter and 10 millimeters.
Described heat abstractor, wherein, each this radiating fin more comprises a groove structure, is formed on this fixed part.
Described heat abstractor, wherein, each this radiating fin more comprises an overhead kick structure, is formed in this groove structure.
Described heat abstractor, wherein, each this radiating fin more comprises an outstanding structure, and an end of this fixed part is outwards outstanding certainly.
Described heat abstractor, wherein, each this radiating fin more comprises an extended structure, certainly should anti-flash structure extend to the direction of this fixed part.
Described heat abstractor, wherein, this anti-flash structure and this extended structure are a font.
Described heat abstractor, wherein, this anti-flash structure is equal thickness.
Described heat abstractor, wherein, the thickness of this anti-flash structure changes in gradient.
According to an embodiment again, the invention provides a kind of manufacture method of heat abstractor, it comprises:
With a plurality of radiating fins of molding manufacture procedure moulding, wherein each this radiating fin comprises a radiating part, a fixed part and an anti-flash structure, should anti-flash structure be connected between this radiating part and this fixed part, the width of this anti-flash structure is greater than the width of this radiating part and greater than the width of this fixed part;
This fixed part of each this radiating fin is put into a mould;
One molten metallic material is injected this mould; And
With this molten metallic material moulding one pedestal, wherein this pedestal coats this fixed part of each this radiating fin with a die casting processing procedure, and this molten metallic material that should anti-flash structure prevents of each this radiating fin is overflowed.
The manufacture method of described heat abstractor, wherein, this molding manufacture procedure is an aluminium extruded type processing procedure, and each this radiating fin is a plate radiating fin.
The manufacture method of described heat abstractor, wherein, this molding manufacture procedure is an aluminium blind rivet processing procedure, and each this radiating fin is a column type radiating fin.
The manufacture method of described heat abstractor, wherein, with the step of a plurality of radiating fins of molding manufacture procedure moulding more comprise make this anti-flash structure from this fixed part outwards outstanding length between 1 millimeter and 10 millimeters.
The manufacture method of described heat abstractor wherein, more is contained in the step of a plurality of radiating fins of molding manufacture procedure moulding and forms a groove structure on this fixed part.
The manufacture method of described heat abstractor wherein, more is contained in the step of a plurality of radiating fins of molding manufacture procedure moulding and forms an overhead kick structure in this groove structure.
The manufacture method of described heat abstractor wherein, more is contained in the step of a plurality of radiating fins of molding manufacture procedure moulding and forms an outstanding structure on this fixed part, and makes this outstanding structure outwards outstanding from an end of this fixed part.
The manufacture method of described heat abstractor wherein, more is contained in the step of a plurality of radiating fins of molding manufacture procedure moulding and forms an extended structure on this anti-flash structure, and makes this extended structure from should anti-flash structure extending to the direction of this fixed part.
The manufacture method of described heat abstractor wherein, more comprises with the step of a plurality of radiating fins of molding manufacture procedure moulding and makes this anti-flash structure and this extended structure be a font.
The manufacture method of described heat abstractor wherein, more comprises take the step of a plurality of radiating fins of molding manufacture procedure moulding and makes this anti-flash structure as equal thickness.
The manufacture method of described heat abstractor wherein, more comprises with the step of a plurality of radiating fins of molding manufacture procedure moulding the thickness of this anti-flash structure is changed in gradient.
In sum, the present invention is first with molding manufacture procedure (for example, aluminium extruded type processing procedure, aluminium blind rivet processing procedure etc.) moulding radiating fin, then with the pedestal of die casting processing procedure with the fixed part of molten metallic material forming covered radiating fin.Radiating fin of the present invention has anti-flash structure, and anti-flash structure can prevent in the die casting processing procedure that molten metallic material from overflowing and causes burr.With the molding manufacture procedure moulding, radiating fin of the present invention can not need have the draft angle of radiating fin now due to radiating fin of the present invention.Therefore, the body weight of radiating fin of the present invention is lighter, and the fin height also can be done highlyer than existing radiating fin.In addition, in the heat abstractor of formed objects, radiating fin quantity of the present invention can be installed more than existing radiating fin, and then increases area of dissipation, improves heat dispersion.
Can rely on following detailed Description Of The Invention and appended accompanying drawing to be further understood about the advantages and spirit of the present invention.
Description of drawings
Fig. 1 is the schematic diagram of the plate radiating fin of prior art;
Fig. 2 is the schematic diagram of the column type radiating fin of prior art;
Fig. 3 is the schematic diagram according to the heat abstractor of first embodiment of the invention;
Fig. 4 is that heat abstractor in Fig. 3 is along the profile of A-A line;
Fig. 5 is the schematic diagram of the radiating fin in Fig. 3;
Fig. 6 is the flow chart of the manufacture method of the heat abstractor in Fig. 3;
Fig. 7 is the profile according to the radiating fin of second embodiment of the invention;
Fig. 8 is the profile according to the radiating fin of third embodiment of the invention;
Fig. 9 is the profile according to the radiating fin of fourth embodiment of the invention;
Figure 10 is the schematic diagram according to the heat abstractor of fifth embodiment of the invention;
Figure 11 is that heat abstractor in Figure 10 is along the profile of B-B line;
Figure 12 is the schematic diagram of the radiating fin in Figure 10;
Figure 13 is the flow chart of the manufacture method of the heat abstractor in Figure 10;
Figure 14 is the profile according to the radiating fin of sixth embodiment of the invention.
Description of reference numerals: 3,7-heat abstractor; 10,20,30,70-pedestal; 12,22,32,42,52,62,72,82-radiating fin; 320,720-radiating part; 322,722-fixed part; 324, the anti-flash structure of 724-; 326,820-groove structure; 420, the outstanding structure of 726-; 520-overhead kick structure; The 620-extended structure; W1, W2, W3-width; L-length; A-A, B-B-hatching; S100-S 106, S200-S206-step.
Embodiment
See also Fig. 3 to Fig. 5, Fig. 3 is the schematic diagram according to the heat abstractor 3 of first embodiment of the invention, Fig. 4 be heat abstractor 3 in Fig. 3 along the profile of A-A line, Fig. 5 is the schematic diagram of the radiating fin 32 in Fig. 3.As shown in Figure 3 and Figure 4, heat abstractor 3 comprises a pedestal 30 and a plurality of radiating fin 32.As Fig. 4 and shown in Figure 5, each radiating fin 32 comprises a radiating part 320, a fixed part 322 and an anti-flash structure 324.Fixed part 322 is fixed in pedestal 30.Anti-flash structure 324 is connected between radiating part 320 and fixed part 322.The width W 1 of anti-flash structure 324 is greater than the width W 2 of radiating part 320 and greater than the width W 3 of fixed part 322.In this embodiment, anti-flash structure 324 self-retaining sections 322 outwards outstanding length L can between 1 millimeter and 10 millimeters, prevent that wherein flash structure 324 is equal thickness.In another embodiment, anti-flash structure 324 also can change in gradient.
In addition, each radiating fin 32 more can comprise a groove structure 326, and wherein groove structure 326 is formed on fixed part 322.In this embodiment, groove structure 326 is circular arc.In another embodiment, groove structure 326 also can be polygon.
See also Fig. 6, Fig. 6 is the flow chart of the manufacture method of the heat abstractor 3 in Fig. 3.At first, execution in step S100 is with a plurality of radiating fins 32 of molding manufacture procedure moulding.In this embodiment, above-mentioned molding manufacture procedure can be an aluminium extruded type processing procedure, so that each radiating fin 32 is shaped to a plate radiating fin.Then, execution in step S102 puts into a mould (not shown) with the fixed part 322 of each radiating fin 32.Then, execution in step S104 injects mould with a molten metallic material (for example, aluminium etc.).At last, execution in step S106, with molten metallic material forming pedestal 30, wherein pedestal 30 coats the fixed part 322 of each radiating fin 32, as shown in Figure 4 with a die casting processing procedure.In this embodiment, the anti-flash structure 324 of each radiating fin 32 can prevent in the die casting processing procedure that molten metallic material from overflowing and cause burr.When anti-flash structure 324 self-retaining sections 322 when outwards outstanding length L are between 1 millimeter and 10 millimeters, can prevent from effectively in the die casting processing procedure that molten metallic material from overflowing to cause burr.In addition, the groove structure 326 of each radiating fin 32 can effectively be caught metal material, to increase the bond strength of pedestal 30 and radiating fin 32.
Coordinate Fig. 4, see also Fig. 7.Fig. 7 is the profile according to the radiating fin 42 of second embodiment of the invention.Radiating fin 42 is with the main difference part of above-mentioned radiating fin 32, and radiating fin 42 separately comprises an outstanding structure 420.As shown in Figure 7, an end of outstanding structure 420 self-retaining sections 322 is outwards outstanding.When the radiating fin 32 in Fig. 4 was replaced with the radiating fin 42 in Fig. 7, the outstanding structure 420 of radiating fin 42 can coordinate with anti-flash structure 324 caught metal material, to increase the bond strength of pedestal 30 and radiating fin 42.It should be noted that, in Fig. 7, with the element of same numeral shown in Fig. 4, its action principle is roughly the same, does not repeat them here.In addition, radiating fin 42 also can utilize the molding manufacture procedure moulding of above-mentioned steps S100.
Coordinate Fig. 4, see also Fig. 8.Fig. 8 is the profile according to the radiating fin 52 of third embodiment of the invention.Radiating fin 52 is with the main difference part of above-mentioned radiating fin 32, and radiating fin 52 separately comprises an overhead kick structure 520.As shown in Figure 8, overhead kick structure 520 is formed in groove structure 326.When the radiating fin 32 in Fig. 4 was replaced with the radiating fin 52 in Fig. 8, the overhead kick structure 520 of radiating fin 52 can catch on metal material, to increase the bond strength of pedestal 30 and radiating fin 52.It should be noted that, in Fig. 8, with the element of same numeral shown in Fig. 4, its action principle is roughly the same, does not repeat them here.In addition, radiating fin 52 also can utilize the molding manufacture procedure moulding of above-mentioned steps S100.
Coordinate Fig. 4, see also Fig. 9.Fig. 9 is the profile according to the radiating fin 62 of fourth embodiment of the invention.Radiating fin 62 is with the main difference part of above-mentioned radiating fin 32, and radiating fin 62 separately comprises an extended structure 620 and do not comprise above-mentioned groove structure 326.As shown in Figure 9, extended structure 620 extends to the direction of fixed part 322 from anti-flash structure 324, and anti-flash structure 324 is ㄇ font (also claiming the door font) with extended structure 620.When the radiating fin 32 in Fig. 4 was replaced with the radiating fin 62 in Fig. 9, the extended structure 620 of radiating fin 62 can coordinate with anti-flash structure 324 caught metal material, to increase the bond strength of pedestal 30 and radiating fin 62.It should be noted that, in Fig. 9, with the element of same numeral shown in Fig. 4, its action principle is roughly the same, does not repeat them here.In addition, radiating fin 62 also can utilize the molding manufacture procedure moulding of above-mentioned steps S100.
See also Figure 10 to Figure 12, Figure 10 is the schematic diagram according to the heat abstractor 7 of fifth embodiment of the invention, Figure 11 be heat abstractor 7 in Figure 10 along the profile of B-B line, Figure 12 is the schematic diagram of the radiating fin 72 in Figure 10.As Figure 10 and shown in Figure 11, heat abstractor 7 comprises a pedestal 70 and a plurality of radiating fin 72.As Figure 11 and shown in Figure 12, each radiating fin 72 comprises a radiating part 720, a fixed part 722, an anti-flash structure 724 and an outstanding structure 726.Fixed part 722 is fixed in pedestal 70 with outstanding structure 726.Anti-flash structure 724 is connected between radiating part 720 and fixed part 722.The width W 1 of anti-flash structure 724 is greater than the width W 2 of radiating part 720 and greater than the width W 3 of fixed part 722.In this embodiment, anti-flash structure 724 self-retaining sections 722 outwards outstanding length L can be between 1 millimeter and 10 millimeters.One end of outstanding structure 726 self-retaining sections 722 is outwards outstanding.In this embodiment, the thickness of anti-flash structure 724 changes in gradient.In another embodiment, anti-flash structure 724 also can be equal thickness.
See also Figure 13, Figure 13 is the flow chart of the manufacture method of the heat abstractor 7 in Figure 10.At first, execution in step S200 is with a plurality of radiating fins 72 of molding manufacture procedure moulding.In this embodiment, above-mentioned molding manufacture procedure can be an aluminium blind rivet processing procedure, so that each radiating fin 72 is shaped to a column type radiating fin.Then, execution in step S202 puts into a mould (not shown) with fixed part 722 and the outstanding structure 726 of each radiating fin 72.Then, execution in step S204 injects mould with a molten metallic material (for example, aluminium etc.).At last, execution in step S206, with molten metallic material forming pedestal 70, wherein pedestal 70 coats the fixed part 722 and outstanding structure 726 of each radiating fin 72, as shown in figure 11 with a die casting processing procedure.In this embodiment, the anti-flash structure 724 of each radiating fin 72 can prevent in the die casting processing procedure that molten metallic material from overflowing and cause burr.When anti-flash structure 724 self-retaining sections 722 when outwards outstanding length L are between 1 millimeter and 10 millimeters, can prevent from effectively in the die casting processing procedure that molten metallic material from overflowing to cause burr.In addition, the outstanding structure 726 of each radiating fin 72 can coordinate with anti-flash structure 724 catches metal material, to increase the bond strength of pedestal 70 and radiating fin 72.
Coordinate Figure 11, see also Figure 14.Figure 14 is the profile according to the radiating fin 82 of sixth embodiment of the invention.Radiating fin 82 is with the main difference part of above-mentioned radiating fin 72, and radiating fin 82 separately comprises a groove structure 820.As shown in figure 14, groove structure 820 is formed on fixed part 722.When the radiating fin 72 in Figure 11 was replaced with the radiating fin 82 in Figure 14, the groove structure 820 of radiating fin 82 can effectively be caught metal material, to increase the bond strength of pedestal 70 and radiating fin 82.It should be noted that, in Figure 14, with the element of same numeral shown in Figure 11, its action principle is roughly the same, does not repeat them here.In addition, radiating fin 82 also can utilize the molding manufacture procedure moulding of above-mentioned steps S200.
Compared to prior art, the present invention is first with molding manufacture procedure (for example, aluminium extruded type processing procedure, aluminium blind rivet processing procedure etc.) moulding radiating fin, then with the pedestal of die casting processing procedure with the fixed part of molten metallic material forming covered radiating fin.Radiating fin of the present invention has anti-flash structure, and anti-flash structure can prevent in the die casting processing procedure that molten metallic material from overflowing and causes burr.With the molding manufacture procedure moulding, radiating fin of the present invention can not need have the draft angle of radiating fin now due to radiating fin of the present invention.Therefore, the body weight of radiating fin of the present invention is lighter, and the fin height also can be done highlyer than existing radiating fin.In addition, in the heat abstractor of formed objects, radiating fin quantity of the present invention can be installed more than existing radiating fin, and then increases area of dissipation, improves heat dispersion.Moreover the present invention can form groove structure, outstanding structure, overhead kick structure and/or extended structure on radiating fin, to increase the bond strength of pedestal and radiating fin.
The above is only preferred embodiment of the present invention, and all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (29)
1. a radiating fin, is characterized in that, comprises:
One radiating part;
One fixed part; And
One anti-flash structure is connected between this radiating part and this fixed part;
Wherein, the width of this anti-flash structure is greater than the width of this radiating part and width that should the anti-flash structure width greater than this fixed part.
2. radiating fin as claimed in claim 1, is characterized in that, this anti-flash structure from this fixed part outwards outstanding length between 1 millimeter and 10 millimeters.
3. radiating fin as claimed in claim 1, is characterized in that, more comprises a groove structure, is formed on this fixed part.
4. radiating fin as claimed in claim 3, is characterized in that, more comprises an overhead kick structure, is formed in this groove structure.
5. radiating fin as claimed in claim 1, is characterized in that, more comprises an outstanding structure, and an end of this fixed part is outwards outstanding certainly.
6. radiating fin as claimed in claim 1, is characterized in that, more comprises an extended structure, certainly should anti-flash structure extend to the direction of this fixed part.
7. radiating fin as claimed in claim 6, is characterized in that, this anti-flash structure and this extended structure are a font.
8. radiating fin as claimed in claim 1, is characterized in that, this anti-flash structure is equal thickness.
9. radiating fin as claimed in claim 1, is characterized in that, the thickness of this anti-flash structure changes in gradient.
10. a heat abstractor, is characterized in that, comprises:
One pedestal; And
A plurality of radiating fins, each this radiating fin comprises:
One radiating part;
One fixed part is fixed in this pedestal; And
One anti-flash structure is connected between this radiating part and this fixed part;
Wherein, the width of this anti-flash structure is greater than the width of this radiating part and width that should the anti-flash structure width greater than this fixed part.
11. heat abstractor as claimed in claim 10 is characterized in that, this anti-flash structure from this fixed part outwards outstanding length between 1 millimeter and 10 millimeters.
12. heat abstractor as claimed in claim 10 is characterized in that, each this radiating fin more comprises a groove structure, is formed on this fixed part.
13. heat abstractor as claimed in claim 12 is characterized in that, each this radiating fin more comprises an overhead kick structure, is formed in this groove structure.
14. heat abstractor as claimed in claim 10 is characterized in that, each this radiating fin more comprises an outstanding structure, and an end of this fixed part is outwards outstanding certainly.
15. heat abstractor as claimed in claim 10 is characterized in that, each this radiating fin more comprises an extended structure, certainly should anti-flash structure extend to the direction of this fixed part.
16. heat abstractor as claimed in claim 15 is characterized in that, this anti-flash structure and this extended structure are a font.
17. heat abstractor as claimed in claim 10 is characterized in that, this anti-flash structure is equal thickness.
18. heat abstractor as claimed in claim 10 is characterized in that, the thickness of this anti-flash structure changes in gradient.
19. the manufacture method of a heat abstractor is characterized in that, comprises:
With a plurality of radiating fins of molding manufacture procedure moulding, wherein each this radiating fin comprises a radiating part, a fixed part and an anti-flash structure, should anti-flash structure be connected between this radiating part and this fixed part, the width of this anti-flash structure is greater than the width of this radiating part and greater than the width of this fixed part;
This fixed part of each this radiating fin is put into a mould;
One molten metallic material is injected this mould; And
With this molten metallic material moulding one pedestal, wherein this pedestal coats this fixed part of each this radiating fin with a die casting processing procedure, and this molten metallic material that should anti-flash structure prevents of each this radiating fin is overflowed.
20. the manufacture method of heat abstractor as claimed in claim 19 is characterized in that, this molding manufacture procedure is an aluminium extruded type processing procedure, and each this radiating fin is a plate radiating fin.
21. the manufacture method of heat abstractor as claimed in claim 19 is characterized in that, this molding manufacture procedure is an aluminium blind rivet processing procedure, and each this radiating fin is a column type radiating fin.
22. the manufacture method of heat abstractor as claimed in claim 19 is characterized in that, with the step of a plurality of radiating fins of molding manufacture procedure moulding more comprise make this anti-flash structure from this fixed part outwards outstanding length between 1 millimeter and 10 millimeters.
23. the manufacture method of heat abstractor as claimed in claim 19 is characterized in that, more is contained in the step of a plurality of radiating fins of molding manufacture procedure moulding and forms a groove structure on this fixed part.
24. the manufacture method of heat abstractor as claimed in claim 23 is characterized in that, more is contained in the step of a plurality of radiating fins of molding manufacture procedure moulding and forms an overhead kick structure in this groove structure.
25. the manufacture method of heat abstractor as claimed in claim 19 is characterized in that, more is contained in the step of a plurality of radiating fins of molding manufacture procedure moulding and forms an outstanding structure on this fixed part, and make this outstanding structure outwards outstanding from an end of this fixed part.
26. the manufacture method of heat abstractor as claimed in claim 19, it is characterized in that, step with a plurality of radiating fins of molding manufacture procedure moulding more is contained in formation one extended structure on this anti-flash structure, and makes this extended structure from should anti-flash structure extending to the direction of this fixed part.
27. the manufacture method of heat abstractor as claimed in claim 26 is characterized in that, more comprises with the step of a plurality of radiating fins of molding manufacture procedure moulding to make this anti-flash structure and this extended structure be a font.
28. the manufacture method of heat abstractor as claimed in claim 19 is characterized in that, more comprises take the step of a plurality of radiating fins of molding manufacture procedure moulding to make this anti-flash structure as equal thickness.
29. the manufacture method of heat abstractor as claimed in claim 19 is characterized in that, more comprises with the step of a plurality of radiating fins of molding manufacture procedure moulding the thickness of this anti-flash structure is changed in gradient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110358139.XA CN103108522B (en) | 2011-11-11 | 2011-11-11 | Radiating fin, heat abstractor and manufacture method thereof |
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| CN201110358139.XA CN103108522B (en) | 2011-11-11 | 2011-11-11 | Radiating fin, heat abstractor and manufacture method thereof |
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| CN103108522A true CN103108522A (en) | 2013-05-15 |
| CN103108522B CN103108522B (en) | 2015-08-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103796457A (en) * | 2014-03-11 | 2014-05-14 | 迈凯实金属技术（苏州）有限公司 | Combined structure of cooling fins and shell body |
| CN104684336A (en) * | 2013-11-26 | 2015-06-03 | 讯强电子(惠州)有限公司 | Radiator and manufacturing method thereof |
| CN106793709A (en) * | 2017-01-18 | 2017-05-31 | 福建省中科生物股份有限公司 | A kind of cold conductive structure of efficient liquid and LED |
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| CN106793709A (en) * | 2017-01-18 | 2017-05-31 | 福建省中科生物股份有限公司 | A kind of cold conductive structure of efficient liquid and LED |
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| CN103108522B (en) | 2015-08-26 |
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