CN1304809C - Connection method for heat pipe and radiating fin - Google Patents
Connection method for heat pipe and radiating fin Download PDFInfo
- Publication number
- CN1304809C CN1304809C CNB2004100042104A CN200410004210A CN1304809C CN 1304809 C CN1304809 C CN 1304809C CN B2004100042104 A CNB2004100042104 A CN B2004100042104A CN 200410004210 A CN200410004210 A CN 200410004210A CN 1304809 C CN1304809 C CN 1304809C
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- Prior art keywords
- heat pipe
- radiating fin
- heat
- conducting medium
- medium layer
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Abstract
The present invention relates to a connection method for a heat pipe and a radiating fin. A metallic heat conducting medium layer is plated on the position on the heat pipe, which is to be connected with the radiating fin, and besides, the radiating fin is connected to the position on the heat pipe, which is plated with the heat conducting medium layer. After being heated and melted between the heat pipe and the radiating fin, the heat conducting medium layer is cooled. Thus, the heat pipe is connected with the radiating fin by the steps. As a result, the connection method improves the contact effect and the density between the heat pipe and the radiating fin, reduces thermal resistance and effectively exerts the characteristic that the heat pipe can transfer a large amount of heat.
Description
Technical field
The present invention relates to the method for attachment of a kind of heat pipe and radiating fin, relate in particular to a kind of utilize electro-plating method with metal conductive medium attached between heat pipe and the radiating fin, the method that heat pipe is connected with radiating fin.
Background technology
Because heat pipe has characteristics such as high capacity of heat transmission, flash heat transfer, high heat conduction efficiency, in light weight, simple in structure and multipurpose, so can transmit a large amount of heats and not consume electric power, therefore is fit to very much the radiating requirements of electronic product.Heat pipe was connected in series with radiating fin in the past or in conjunction with the time, on each radiating fin, offer usually and the corresponding perforation of this heat pipe, again with heat pipe by each the perforation in the order penetrate.In addition, the density that contacts between the perforation that increases heat pipe and each radiating fin reduces thermal resistance, before heat pipe penetrates, at first after being stained with as heat-conducting mediums such as tin creams on the heat pipe, this heat pipe is connected in series or combination with each radiating fin again.
Because above-mentioned employed heat-conducting medium is the viscose shape more, therefore after being stained with heat-conducting medium on the heat pipe, being not easy to heat pipe penetrates in the perforation of radiating fin, if and be the viscose shape heat-conducting medium because excessive and overflow each the perforation outside, then not only influence the attractive in appearance of product, more become easily infected by impurity and increase thermal resistance.If but the coating weight of heat-conducting medium is very few, heat pipe is closely contacted with the perforation of each radiating fin.Therefore, heat pipe and radiating fin were difficult for accurately controlling the coating weight of heat-conducting medium on engaging in the past, also were difficult for it is spread upon on the heat pipe equably, caused product quality very different, on making a lot of difficulties were arranged also.
In view of this, the inventor is for improving and solve the defective that exists in the above-mentioned prior art, through concentrating on studies and cooperating the utilization of scientific principle, proposes a kind of reasonable in design and effectively improve the present invention of above-mentioned defective finally.
Content of the present invention
Main purpose of the present invention is to provide the method for attachment of a kind of heat pipe and radiating fin, it is that the metal that utilizes electric plating method will can be used as heat-conducting medium makes on its surface attached to heat pipe through decomposing, solve traditional heat-conducting medium and be the defective that the viscose shape is difficult for coating, guaranteed the quality of product effectively, be convenient to make and processing.
To achieve the above object, the invention provides the method for attachment of a kind of heat pipe and radiating fin, its step comprises:
A) plate the metal conductive medium layer at the position that heat pipe is desired to engage with radiating fin;
B) radiating fin being bonded on this heat pipe is coated with on the position of heat-conducting medium layer; And
C) after heating makes it be dissolved between heat pipe and the radiating fin to the heat-conducting medium layer, cool off again.
The method of attachment of a kind of heat pipe provided by the invention and radiating fin can be coated on heat-conducting medium the connecting portion of heat pipe and radiating fin equably, has guaranteed the quality of product, is convenient to make and processing.
Brief description of drawings
Fig. 1 is the schematic flow sheet of the method for attachment of the heat pipe of the embodiment of the invention and radiating fin;
Fig. 2 does not engage preceding schematic diagram for the heat pipe of the embodiment of the invention with radiating fin;
Fig. 3 is the heat pipe of the embodiment of the invention and schematic diagram after radiating fin engages.
In the accompanying drawing, the list of parts of each label representative is as follows:
The 1-heat pipe
10-heat-conducting medium layer
The 2-radiating fin
The 20-perforation
The specific embodiment
In order to make those skilled in the art further understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, accompanying drawing only provide with reference to and usefulness is described, be not to be used for limiting the present invention.
Fig. 1, Fig. 2 and Fig. 3 are respectively the schematic diagram schematic flow sheet of the present invention, heat pipe do not engage preceding schematic diagram and joint with radiating fin after.The invention provides the method that is connected of a kind of heat pipe and radiating fin, mainly utilize electro-plating method that heat-conducting medium is covered on the heat pipe, form one evenly and easily accurately behind the metal coating layer of control, again radiating fin is penetrated, and this metal coating layer carried out procedures such as welding, cooling, heat pipe is engaged with radiating fin.Step of the present invention comprises:
A) plate the heat-conducting medium layer 10 (as shown in Figure 2) of layer of metal at the surperficial position that heat pipe 1 desires to engage with radiating fin 2.In this step, the material of heat-conducting medium layer 10, the metal material that the most handy fusing point is lower than good conductors such as copper is as tin etc.Because electroplating is that a kind of electric current that utilizes covers another body surface with metal, form the technology of metal coating layer on this surface, factors such as length that therefore can be by the control electroplating time, size of current are accurately controlled this heat-conducting medium layer 10 formed thickness, and the coating layer that is obtained is also more well-balanced.
B) radiating fin 2 being bonded on heat pipe 1 is coated with on the position of heat-conducting medium layer 10 (as shown in Figure 3).In this step, offer on each radiating fin 2 and heat pipe 1 corresponding perforation 20, each aperture of 20 of boring a hole is slightly larger than the outer tube diameter of heat pipe 1, and heat pipe 1 is inserted in the perforation 20 of each radiating fin 2 in the tight fit mode.
C) after 10 heating makes it be dissolved between heat pipe 1 and the radiating fin 2 to the heat-conducting medium layer, cool off again.In this step, to the heating of heat-conducting medium 10, can adopt the low-temperature welding mode to carry out, avoid destroying heat pipe 1 and radiating fin 2.
Above-mentioned steps flow chart be heat pipe of the present invention and radiating fin method of attachment.
Therefore, by the method for attachment of heat pipe of the present invention and radiating fin, can solve traditional heat-conducting medium effectively and be the defective that the viscose shape is difficult for coating.The product that utilizes this method to make, not only comparatively attractive in appearance, be convenient to make and processing, and its evenly heat-conducting medium layer of coating more help to improve the compactness that contacts between heat pipe 1 and the radiating fin 2, reduced thermal resistance and also brought into play the characteristic that heat pipe 1 can transmit heat in a large number effectively.
In sum, the present invention can reach the application target of expection really, solves the defective that exists in the prior art, have novelty and creativeness, meet the requirement of application for a patent for invention fully, file an application according to Patent Law, would like to ask detailed survey and authorize patent of the present invention, to ensure inventor's right.
The above is embodiments of the invention only, is not so promptly limits claim of the present invention, and the conversion of the equivalence techniques that every utilization specification of the present invention and accompanying drawing content are done, means etc. all in like manner comprises within the scope of the invention.
Claims (5)
1. the method for attachment of heat pipe and radiating fin is characterized in that may further comprise the steps:
A) plate the metal conductive medium layer at the position that heat pipe is desired to engage with radiating fin;
B) radiating fin being bonded on described heat pipe is coated with on the position of heat-conducting medium layer; And
C) to the heating of described heat-conducting medium layer, make it be dissolved between heat pipe and the radiating fin after, cool off again.
2. the method for attachment of heat pipe as claimed in claim 1 and radiating fin is characterized in that in described step a), and the material of described heat-conducting medium layer adopts the fusing point metal material lower than copper.
3. the method for attachment of heat pipe as claimed in claim 2 and radiating fin is characterized in that in described step a), is tin as the material of described heat-conducting medium layer.
4. the method for attachment of heat pipe as claimed in claim 1 and radiating fin, it is characterized in that in described step b), offer on the described radiating fin and the corresponding perforation of described heat pipe, the aperture of described perforation is slightly larger than the outer tube diameter of described heat pipe, and described heat pipe is inserted in the perforation of described radiating fin in the tight fit mode.
5. the method for attachment of heat pipe as claimed in claim 1 and radiating fin is characterized in that in described step c), to the heating of described heat-conducting medium, adopts the mode of heating of low-temperature welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100042104A CN1304809C (en) | 2004-02-10 | 2004-02-10 | Connection method for heat pipe and radiating fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100042104A CN1304809C (en) | 2004-02-10 | 2004-02-10 | Connection method for heat pipe and radiating fin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1654912A CN1654912A (en) | 2005-08-17 |
| CN1304809C true CN1304809C (en) | 2007-03-14 |
Family
ID=34891995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100042104A Expired - Fee Related CN1304809C (en) | 2004-02-10 | 2004-02-10 | Connection method for heat pipe and radiating fin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1304809C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446227C (en) * | 2005-09-30 | 2008-12-24 | 鸿富锦精密工业（深圳）有限公司 | Radiator and its production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02217790A (en) * | 1989-02-15 | 1990-08-30 | Furukawa Electric Co Ltd:The | Heat pipe type sealed casing cooler |
| JP2001250892A (en) * | 2000-03-08 | 2001-09-14 | Fujikura Ltd | Heat sink |
| 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 |
| CN1451091A (en) * | 2000-04-14 | 2003-10-22 | 阿维德塞马洛伊有限责任公司 | Notched finned heat sink |
-
2004
- 2004-02-10 CN CNB2004100042104A patent/CN1304809C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02217790A (en) * | 1989-02-15 | 1990-08-30 | Furukawa Electric Co Ltd:The | Heat pipe type sealed casing cooler |
| JP2001250892A (en) * | 2000-03-08 | 2001-09-14 | Fujikura Ltd | Heat sink |
| CN1451091A (en) * | 2000-04-14 | 2003-10-22 | 阿维德塞马洛伊有限责任公司 | Notched finned heat sink |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1654912A (en) | 2005-08-17 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070314 Termination date: 20170210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |