CN1319160C - Method of connecting heat conduit and radiation fin - Google Patents
Method of connecting heat conduit and radiation fin Download PDFInfo
- Publication number
- CN1319160C CN1319160C CNB2003101124906A CN200310112490A CN1319160C CN 1319160 C CN1319160 C CN 1319160C CN B2003101124906 A CNB2003101124906 A CN B2003101124906A CN 200310112490 A CN200310112490 A CN 200310112490A CN 1319160 C CN1319160 C CN 1319160C
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- CN
- China
- Prior art keywords
- radiating fin
- heat pipe
- associated methods
- heat
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000005855 radiation Effects 0.000 title abstract 7
- 239000000463 material Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000006071 cream Substances 0.000 description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004021 metal welding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical class 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 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The present invention relates to a method of combining a heat conduit and a radiation fin. In the method, the radiation fin is provided with an opening firstly. Then, the heat conduit rotates, and the radiation fin horizontally moves toward the heat conduit. After the opening of the radiation fin is in contact with the heat conduit, the heat conduit keeps the rotating state, and thus, friction is generated between the heat conduit and the radiation fin. Besides, the heat quantity generated by the friction ensures that the friction surfaces are in plastic molten state. At last, the heat conduit and the opening of the radiation fin are connected by the applied pressure in melting way.
Description
[technical field]
The invention relates to the associated methods of a kind of heat pipe and radiating fin, particularly about a kind of associated methods of eliminating bonding gap between heat pipe and the radiating fin.
[background technology]
Computer has become the indispensable instrument of all conglomeraties, follow improving constantly to its demand, computer industry obtains fast and significant progress, and computing power depends on central processing unit to a great extent, its speed and stability directly influence machine performance, the integrated level of central processing unit is higher, the speed of service is faster, follow the heat of its generation then big more, distribute if heat is untimely, cause accumulation of heat that its temperature is raise, will influence the stability of its operation greatly, therefore, the heat that central processing unit produces in time must be excluded.
As shown in Figure 1, United States Patent (USP) the 5th, 412, a kind of industry heat pipe radiator 100 commonly used that discloses for No. 535, this radiator 100 has a flat base 120, one heat pipe 140 is vertically fixed on this pedestal 120, and some radiating fins 160 are arranged by certain spaced and parallel and vertically are located on the heat pipe 140.For heat pipe 140 and radiating fin 160 are combined, it adopts the mode of hydraulic pressure or mechanical expanding, promptly earlier that radiating fin 160 is sheathed on it before heat pipe 140 moulding, utilize an axle or internal liquid pressurization expansion body that heat pipe 140 calibers are increased, thereby interfering to cooperate and then reach with radiating fin 160 is connected.But because heat pipe 140 and 160 of radiating fins are Mechanical Contact, because the existence in gap, evenly driving fit, therefore, the heat transferred effect that heat pipe 140 and radiating fin are 160 is relatively poor, the high conduction characteristic of heat pipe 160 is not in full use, and radiator 100 overall performances are affected, and this method can't be utilized moulding heat pipe assembling radiator.
For utilizing moulding heat pipe assembling radiator, and make between heat pipe and radiating fin evenly zero-gap bond, the mode that can adopt heat-conducting glue to bond, but because of the heat-conducting glue adhesion strength is low makes combining built on the sand of heat pipe and radiating fin.Therefore, the mode of present more employing soldering is welded together heat pipe and radiating fin, it at first establishes the perforation with flanging on radiating fin, a kind of method be earlier with some radiating fins orders against being arranged in together, then its perforation forms a passage, in this channel, be coated with tin cream, heat pipe is set in this passage again, utilize tin cream that heat pipe and radiating fin are welded together, but it is comparatively difficult at elongated tubular vias inner walls coating tin cream, and wear the tin cream of easily swiping again in the process at heat pipe, can't make tin cream be filled in the gap of heat pipe and radiating fin fully and evenly; Another kind method is to be set on radiating fin on the heat pipe one by one earlier, when being installed on the heat pipe, each radiating fin is coated with tin cream at its hemmed edges place, wear another radiating fin afterwards again, because being coated with cream carries out at interval with the installation radiating fin, the assembling process trouble, efficient is quite low, and this method to cause tin cream to be squeezed easily excessive, and then influence the effect that combines of heat pipe and radiating fin.
[summary of the invention]
The object of the present invention is to provide a kind of associated methods of eliminating bonding gap between heat pipe and the radiating fin.
For achieving the above object, the present invention has adopted following technical scheme: an opening is set on radiating fin earlier; Heat pipe is rotated, and makes radiating fin to the heat pipe translation; Behind the opening contact conductane pipe of radiating fin, keep the rotation of heat pipe, make to produce friction between heat pipe and the radiating fin, fricative heat makes friction surface be the plasticity molten state; Press the opening of heat pipe and radiating fin is welded together.
The associated methods of heat pipe of the present invention and radiating fin adopts the radiating fin friction welding in heat pipe, because heat pipe and radiating fin form one by the metal welding, do not form the gap between the two, solve the problem of generation thermal resistance in gap between prior art heat pipe and the radiating fin, the radiator that while method provided by the present invention is made also is suitable for quick mass production.
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
[description of drawings]
Fig. 1 is the end view and the partial sectional view of radiator in existing heat pipe and the radiating fin associated methods.
Fig. 2 is the structural perspective of heat pipe and radiating fin in heat pipe of the present invention and the radiating fin associated methods.
Fig. 3 is the stereogram and the partial sectional view of heat pipe in heat pipe of the present invention and the radiating fin associated methods.
Fig. 4 is the stereogram of radiating fin in heat pipe of the present invention and the radiating fin associated methods.
Fig. 5 and Fig. 6 are the process schematic diagrames of heat pipe of the present invention and radiating fin associated methods.
[embodiment]
The associated methods of heat pipe of the present invention and radiating fin is applied to radiating fin fast, closely is connected in heat pipe.As shown in Figure 2, the present invention is with the be connected to embodiment of heat pipe 20 with radiating fin 10, and the present invention will be described.
As shown in Figure 3, heat pipe 20 has a body, and first, second sealing end 22,24, and wherein this inboard wall of tube body is provided with capillary structure 26, and is loaded with the working fluid of doing the gas-liquid two-phase variation in it, and this working fluid is preferable with water, acetone; This capillary structure 26 can provide the power of backflow to the working fluid that is in a liquid state after the release heat cooling, is the fluid of gaseous state after the also bootable absorption heat of vaporization, and it is preferable with groove-shaped, silk screen type and slug type; After the filling operation fluid is in body, then can seal this body, the mode such as adopting roll extrusion to seal finally forms first sealing end 22 and second sealing end 24.Wherein an end of this heat pipe 20 can be used as evaporation ends, the other end is as condensation end, be that working fluid in the evaporation ends absorbs heat and evaporates and become gas from thermal source, via being passed in the pipe that condensation end is emitted heat and condensation becomes liquid, capillary structure 26 by tube wall is back to evaporation ends, so circulates and reaches the purpose of quick heat radiating.
As shown in Figure 4, radiating fin 10 comprises a rectangle plate body, and the lower edge of this plate body is folded into a flanging 12.One lateral margin of this plate body middle part then forms half circular open 14, is used for welding heat pipe 20.With reference to Fig. 2 as can be known, radiating fin 10 is to be provided with in pairs, and every pair two radiating fins, 10 left-right symmetric, is used for being installed on heat pipe 20 both sides.The material of the material of radiating fin 10 and heat pipe 20 both can be metal of the same race, also can be dissimilar metal.
Fig. 5 and Fig. 6 are that radiating fin 10 is installed on the process schematic diagram on the heat pipe 20.Heat pipe 20 is fixed on an axle (figure does not show), and makes center line (be the center line of the axle) rotation of heat pipe 20 around self.Replace last radiating fin 10 with flanging 12, some radiating fins 10 front and back are successively arranged formation radiating fin group (as shown in Figure 2, this radiating fin group is symmetrical a pair of radiating fin group).The radiating fin group of this two symmetry is done translation in opposite directions by specific device fixing towards the heat pipe 10 of rotation.When heat pipe 10 is gone up in semicircle opening 14 contacts of radiating fin 10, heat pipe 20 continues the original motion of maintenance, produce friction between heat pipe 20 and the radiating fin 10 semicircle openings 14, and between friction surface, produce a large amount of heats, make friction surface be the plasticity molten state.Simultaneously symmetrical radiating fin group is imposed inside pressure, heat pipe 20 and radiating fin 10 semicircle openings 14 are welding together.
Because heat pipe 20 and radiating fin 10 form one by the metal welding, do not form the gap between the two, solved the problem that between existing heat pipe radiator heat pipe and the radiating fin because gap produces thermal resistance, the radiator that while method provided by the present invention is made also is suitable for quick mass production.
The shape of radiating fin 10 openings 14 of the present invention can have suitable variation, as long as it is slightly semicircle or other shape, is suitable for friction welding and gets final product on heat pipe 10.
Claims (8)
1. the associated methods of heat pipe and radiating fin is characterized in that comprising the steps: being provided with an opening on radiating fin; Heat pipe is rotated, and makes radiating fin to the heat pipe translation; Behind the opening contact conductane pipe of radiating fin, keep the rotation of heat pipe, make to produce friction between heat pipe and the radiating fin, fricative heat makes friction surface be the plasticity molten state; Press the opening of heat pipe and radiating fin is welded together.
2. the associated methods of heat pipe as claimed in claim 1 and radiating fin is characterized in that: this radiating fin left-right symmetric is fused on the heat pipe.
3. the associated methods of heat pipe as claimed in claim 1 and radiating fin is characterized in that: some radiating fins are set on this heat pipe, and each radiating fin lower edge turns down a flanging and is resisted against adjacent radiating fin formation radiating fin group.
4. the associated methods of heat pipe as claimed in claim 1 and radiating fin is characterized in that: the opening of radiating fin is formed at the middle part of radiating fin one lateral margin.
5. the associated methods of heat pipe as claimed in claim 1 and radiating fin is characterized in that: the opening shape of radiating fin is a circular arc.
6. the associated methods of heat pipe as claimed in claim 1 and radiating fin is characterized in that: the material of radiating fin and the material of heat pipe are metal of the same race.
7. the associated methods of heat pipe as claimed in claim 1 and radiating fin is characterized in that: the material of radiating fin and the material of heat pipe are dissimilar metal.
8. the associated methods of heat pipe as claimed in claim 1 and radiating fin is characterized in that: this heat pipe is a heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101124906A CN1319160C (en) | 2003-12-04 | 2003-12-04 | Method of connecting heat conduit and radiation fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101124906A CN1319160C (en) | 2003-12-04 | 2003-12-04 | Method of connecting heat conduit and radiation fin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1624907A CN1624907A (en) | 2005-06-08 |
| CN1319160C true CN1319160C (en) | 2007-05-30 |
Family
ID=34759784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101124906A Expired - Fee Related CN1319160C (en) | 2003-12-04 | 2003-12-04 | Method of connecting heat conduit and radiation fin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1319160C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112276567B (en) * | 2020-11-02 | 2021-08-31 | 长丰吾道智能光电科技有限公司 | Automatic production method of radiator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5412535A (en) * | 1993-08-24 | 1995-05-02 | Convex Computer Corporation | Apparatus and method for cooling electronic devices |
| CN1385261A (en) * | 2001-05-15 | 2002-12-18 | 爱美达股份有限公司 | Hot pipe type radiation fin and assembling method thereof |
| CN1431707A (en) * | 2003-01-11 | 2003-07-23 | 昆山迪生电子有限公司 | Heat dispersion modules and their mfg. methods |
| CN2562225Y (en) * | 2002-03-29 | 2003-07-23 | 奇鋐科技股份有限公司 | Radiator element |
-
2003
- 2003-12-04 CN CNB2003101124906A patent/CN1319160C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5412535A (en) * | 1993-08-24 | 1995-05-02 | Convex Computer Corporation | Apparatus and method for cooling electronic devices |
| CN1385261A (en) * | 2001-05-15 | 2002-12-18 | 爱美达股份有限公司 | Hot pipe type radiation fin and assembling method thereof |
| CN2562225Y (en) * | 2002-03-29 | 2003-07-23 | 奇鋐科技股份有限公司 | Radiator element |
| CN1431707A (en) * | 2003-01-11 | 2003-07-23 | 昆山迪生电子有限公司 | Heat dispersion modules and their mfg. methods |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1624907A (en) | 2005-06-08 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070530 Termination date: 20161204 |