CN102353291A - Manufacturing method of plate-shaped heat pipe and core rod assembly - Google Patents

Manufacturing method of plate-shaped heat pipe and core rod assembly Download PDF

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Publication number
CN102353291A
CN102353291A CN 201110233276 CN201110233276A CN102353291A CN 102353291 A CN102353291 A CN 102353291A CN 201110233276 CN201110233276 CN 201110233276 CN 201110233276 A CN201110233276 A CN 201110233276A CN 102353291 A CN102353291 A CN 102353291A
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CN
China
Prior art keywords
core rod
metal tube
sunk
approach
heat pipe
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.)
Pending
Application number
CN 201110233276
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Chinese (zh)
Inventor
周守华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN KAIQIANG HEAT TRANSFER TECHNOLOGY CO LTD
Original Assignee
SHENZHEN KAIQIANG HEAT TRANSFER TECHNOLOGY CO LTD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENZHEN KAIQIANG HEAT TRANSFER TECHNOLOGY CO LTD filed Critical SHENZHEN KAIQIANG HEAT TRANSFER TECHNOLOGY CO LTD
Priority to CN 201110233276 priority Critical patent/CN102353291A/en
Publication of CN102353291A publication Critical patent/CN102353291A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a manufacturing method of a plate-shaped heat pipe and a core rod assembly. The manufacturing method of the plate-shaped heat pipe comprises the steps of: inserting the core rod assembly into a provided metal pipe so as to form a gap between the inner wall of the metal pipe and the core rod assembly, wherein the core rod assembly comprises a core rod main body with first sinking structures and core rod inserts which are arranged in the first sinking structures and provided with second sinking structures on outer surfaces; injecting metal particles into the gap and sintering, wherein capillary structures with protrusion parts corresponding to the second sinking structures are fixedly formed on the inner wall of the metal pipe after sintering; drawing out the core rod main body from the metal pipe and the core rod main body, and subsequently taking out the core rod inserts; and extruding the metal pipe into a plate shape, and sealing two ends to obtain the plate-shaped heat pipe, wherein the protrusion parts of the capillary structures support two opposite side walls of the plate-shaped heat pipe. According to such manner, the manufacturing method of the plate-shaped heat pipe disclosed by the invention is simple, and the produced plate-shaped heat pipe is firm and is resistant to pressure.

Description

The manufacturing approach of tabular heat pipe and plug assembly
Technical field
The present invention relates to the radiator field, particularly relate to a kind of manufacturing approach and plug assembly of tabular heat pipe.
Background technology
Along with science and technology development, electrical equipment such as computer have become the necessary of people's study, work and life.Therefore, the heat abstractor that dispels the heat for various electronic components also arises at the historic moment, and tabular heat pipe also becomes heat abstractor commonly used gradually.The manufacturing approach of existing tabular heat pipe is: a. provides metal tube, and b. inserts plug, and c. injects metallic particles and sintering, is pressed into tabular heat pipe.The tabular heat pipe that this kind method produces because and unbraced structure, so when being squeezed, can produce distortion, be not very firm withstand voltage.And in tabular heat pipe, add supporting construction, then make manufacturing process complicated.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of manufacturing approach and plug assembly of tabular heat pipe, can simplified manufacturing technique and make the tabular heat pipe of producing firm withstand voltage.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of manufacturing approach of tabular heat pipe is provided, and this manufacturing approach comprises: metal tube is provided.In this metal tube, insert the plug assembly so that between the inwall of this metal tube and this plug assembly formation one gap.Wherein this plug assembly comprises plug main body and core rod insert; This metal tube of outer surface upper edge of this plug main body axially be provided with first sunk structure; This core rod insert is arranged in this first sunk structure; And can move relative to this plug main body along the axial of this metal tube, the outer surface of this core rod insert further is provided with second sunk structure.In this gap, inject metallic particles and carry out sintering, form the capillary structure on the inwall that is fixed in this metal tube behind the sintering, this capillary structure has the jut corresponding with this second sunk structure.From this metal tube and this core rod insert, extract this plug main body out, and take out this core rod insert subsequently.Be squeezed into tabular this metal tube and sealing two ends, making tabular heat pipe, and make the jut of this capillary structure support the two lateral walls of this tabular heat pipe.
Wherein, this manufacturing approach comprises: spare interface when sealing processing, inject hydraulic fluid through interface, and vacuumize then and seal.
Wherein, this manufacturing approach comprises: after encapsulation process, this tabular heat pipe is vacuumized leak detection.
Wherein, this manufacturing approach comprises: after vacuumizing leak detection, this tabular heat pipe is carried out shaping.
Wherein, this second sunk structure is a plurality of, and along the axially spaced-apart setting of this metal tube, to form a plurality of juts that are provided with along the axially spaced-apart of this metal tube.
Wherein, this first sunk structure is a plurality of, and is provided with along the circumferential interval of this plug assembly, and the quantity of this core rod insert is identical with the quantity of this first sunk structure.
Wherein, this plug main body is cylindrical, and this first sunk structure is a rectangle with the cross section of this core rod insert on the axial direction of vertical this metal tube.
For solving the problems of the technologies described above; Another technical scheme that the present invention adopts is: a kind of plug assembly is provided; This plug assembly comprises plug main body and core rod insert; This metal tube of outer surface upper edge of this plug main body axially be provided with first sunk structure; This core rod insert is arranged in this first sunk structure; And can move relative to this plug main body along the axial of this metal tube, the outer surface of this core rod insert further is provided with second sunk structure.
Wherein, this second sunk structure is a plurality of, and along the axially spaced-apart setting of this metal tube, to form a plurality of juts that are provided with along the axially spaced-apart of this metal tube.
Wherein, this plug main body is cylindrical, and this first sunk structure is a rectangle with the cross section of this core rod insert on the axial direction of vertical this metal tube; And this first sunk structure is a plurality of, and is provided with along the circumferential interval of this plug assembly, and the quantity of this core rod insert is identical with the quantity of this first sunk structure.
The invention has the beneficial effects as follows: be different from the situation of prior art, the technology of the manufacturing approach of tabular heat pipe of the present invention is simple, cooperates the plug assembly, can simplified manufacturing technique and make the tabular heat pipe of producing firm withstand voltage.
Description of drawings
Fig. 1 is the flow chart of embodiment of the manufacturing approach of tabular heat pipe of the present invention;
Fig. 2 is the view in transverse section of employed plug assembly among the embodiment of manufacturing approach of Fig. 1;
Fig. 3 is the sectional view that uses the uncompleted tabular heat pipe behind the metallic particles sintering of plug of Fig. 2 in the manufacturing approach of Fig. 1;
Fig. 4 is a view in transverse section of using the uncompleted tabular heat pipe behind the extraction plug assembly of plug assembly of Fig. 2 in the manufacturing approach of Fig. 1;
Fig. 5 is an axial, cross-sectional view of using the uncompleted tabular heat pipe behind the extraction plug assembly of plug assembly of Fig. 2 in the manufacturing approach of Fig. 1;
Fig. 6 is the view in transverse section of the tabular heat pipe that forms in the manufacturing approach of Fig. 1;
Fig. 7 is the axial, cross-sectional view of the tabular heat pipe that forms in the manufacturing approach of Fig. 1;
Fig. 8 is the top cross-sectional view of the tabular heat pipe that forms in the manufacturing approach of Fig. 1.
The specific embodiment
Consult Fig. 1, Fig. 1 is the flow chart of embodiment of the manufacturing approach of tabular heat pipe of the present invention.The embodiment of the manufacturing approach of tabular heat pipe of the present invention comprises:
In step S01, metal tube 110 is provided.This metal tube 110 is the hollow metal tube of both ends open, and can cut into predetermined size as required.
In step S02, in this metal tube, insert the plug assembly so that between the inwall of this metal tube and this plug assembly formation one gap.
Referring to Fig. 2 and Fig. 3, Fig. 2 is the view in transverse section of employed plug assembly among the embodiment of manufacturing approach of Fig. 1, and Fig. 3 is the axial, cross-sectional view of core rod insert of the plug assembly of Fig. 2.Plug assembly 200 comprises plug main body 210 and core rod insert 220.Plug main body 210 is cylindrical, its outer surface upper edge metal tube 100 axially be provided with first sunk structure 211.The cross section of first sunk structure 211 on the axial direction of vertical metal pipe 100 is rectangle.Core rod insert 220 is arranged in first sunk structure 211, and its cross section on the axial direction of vertical metal pipe 100 is similarly rectangle, and can axially moving relative to plug main body 210 along metal tube 100.First sunk structure 211 is a plurality of, and is provided with along the circumferential interval of plug assembly 200.And in the present embodiment, first sunk structure 211 is arranged at the homonymy of certain diameter in the plug main body 210.The quantity of core rod insert 220 is identical with the quantity of first sunk structure 211.The outer surface of core rod insert 220 further is provided with second sunk structure 221.Second sunk structure 221 is a plurality of, and along the axially spaced-apart setting of metal tube 100.
In step S03, in the gap, inject metallic particles and carry out sintering, form the capillary structure on the inwall that is fixed in metal tube behind the sintering, capillary structure has the jut corresponding with second sunk structure.
In step S04, from metal tube and core rod insert, extract the plug main body out, and take out core rod insert subsequently.
Consult Fig. 4 and Fig. 5; Fig. 4 is a view in transverse section of using the uncompleted tabular heat pipe behind the extraction plug assembly of plug assembly of Fig. 2 in the manufacturing approach of Fig. 1, and Fig. 5 is an axial, cross-sectional view of using the uncompleted tabular heat pipe behind the extraction plug assembly of plug assembly of Fig. 2 in the manufacturing approach of Fig. 1.After carrying out step S04, form the capillary structure 300 that has jut 310 and be fixed on the inwall of metal tube 100.Owing to have a plurality ofly along the core rod insert of the axial setting of metal tube 100, therefore formed along a plurality of juts 310 of the axial setting of metal tube 100.Because second sunk structure 211 be a plurality of, and, therefore formed along a plurality of juts 310 of the axially spaced-apart setting of metal tube 100 along the axially spaced-apart setting of metal tube 100.
In step S05, be squeezed into tabular metal tube and sealing two ends, making tabular heat pipe, and make the two lateral walls of the accommodating plate-shaped heat pipe of jut of capillary structure.
Consult Fig. 6 and Fig. 7, Fig. 6 is the view in transverse section of the tabular heat pipe that forms in the manufacturing approach of Fig. 1, and Fig. 7 is the axial, cross-sectional view of the tabular heat pipe that forms in the manufacturing approach of Fig. 1.After metal tube 100 is pushed, the jut 310 of capillary structure 300 its relative capillary structure 300 of conflicting, thus reach the effect of support.And, no matter be tabular heat pipe laterally or axially, all have a plurality of juts 310, can play the good supporting effect.Referring to Fig. 8, Fig. 8 is the top cross-sectional view of the tabular heat pipe that forms in the manufacturing approach of Fig. 1.Can find out that by Fig. 8 jut 310 is checkerboard and distributes, and makes tabular heat pipe anywhere stressed, all can obtain the support of jut 310.
In the present embodiment, the outer radius of metal tube 100 is 15mm.The wide of first sunk structure 211 is 8mm, and the degree of depth is 4.57mm.The wide of core rod insert 220 is 8mm, and height is 4.57mm, and the degree of depth of second sunk structure 221 is 1.5mm.And the thickness of the wall of metal tube 100 and capillary structure 300 additions is 1.1mm.
In step S06, spare interface when sealing processing injects hydraulic fluid through interface, vacuumizes then and seals.After injecting hydraulic fluid, can increase the radiating efficiency of tabular heat pipe in use.
In step S07, in encapsulation process, tabular heat pipe is vacuumized leak detection.
In step S08, tabular heat pipe is carried out shaping.
Through above-mentioned steps and plug assembly, the tabular heat pipe of producing is not only firm withstand voltage, and better heat-radiation effect.And the technology of the manufacturing approach of this tabular heat pipe is simple, does not have any complicated operations.
The above only is embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.

Claims (10)

1. the manufacturing approach of a tabular heat pipe is characterized in that, said manufacturing approach comprises:
Metal tube is provided;
In said metal tube, insert the plug assembly; So that between the inwall of said metal tube and said plug assembly, form a gap; Wherein said plug assembly comprises plug main body and core rod insert; The said metal tube in outer surface upper edge of said plug main body axially be provided with first sunk structure; Said core rod insert is arranged in said first sunk structure; And can be along axially the moving relative to said plug main body of said metal tube, the outer surface of said core rod insert further is provided with second sunk structure;
In said gap, inject metallic particles and carry out sintering, form the capillary structure on the inwall that is fixed in said metal tube behind the sintering, said capillary structure has and the corresponding jut of said second sunk structure;
Extract said plug main body out from said metal tube and said core rod insert, and take out said core rod insert subsequently;
Be squeezed into tabular said metal tube and sealing two ends, making tabular heat pipe, and make the jut of said capillary structure support the two lateral walls of said tabular heat pipe.
2. manufacturing approach according to claim 1 is characterized in that, said manufacturing approach comprises:
Spare interface when sealing processing injects hydraulic fluid through interface, vacuumizes then and seals.
3. manufacturing approach according to claim 2 is characterized in that, said manufacturing approach comprises:
After encapsulation process, said tabular heat pipe is vacuumized leak detection.
4. manufacturing approach according to claim 3 is characterized in that, said manufacturing approach comprises:
After vacuumizing leak detection, said tabular heat pipe is carried out shaping.
5. manufacturing approach according to claim 1 is characterized in that, said second sunk structure is a plurality of, and along the axially spaced-apart setting of said metal tube, to form a plurality of juts that are provided with along the axially spaced-apart of said metal tube.
6. manufacturing approach according to claim 5 is characterized in that, said first sunk structure is a plurality of, and is provided with along the circumferential interval of said plug assembly, and the quantity of said core rod insert is identical with the quantity of said first sunk structure.
7. manufacturing approach according to claim 5 is characterized in that, said plug main body is cylindrical, and said first sunk structure is a rectangle with the cross section of said core rod insert on the axial direction of vertical said metal tube.
8. plug assembly; It is characterized in that; Said plug assembly comprises plug main body and core rod insert; The said metal tube in outer surface upper edge of said plug main body axially be provided with first sunk structure; Said core rod insert is arranged in said first sunk structure; And can be along axially the moving relative to said plug main body of said metal tube, the outer surface of said core rod insert further is provided with second sunk structure.
9. plug assembly according to claim 8 is characterized in that, said second sunk structure is a plurality of, and along the axially spaced-apart setting of said metal tube, to form a plurality of juts that are provided with along the axially spaced-apart of said metal tube.
10. plug assembly according to claim 9 is characterized in that, said plug main body is cylindrical, and said first sunk structure is a rectangle with the cross section of said core rod insert on the axial direction of vertical said metal tube; And said first sunk structure is a plurality of, and is provided with along the circumferential interval of said plug assembly, and the quantity of said core rod insert is identical with the quantity of said first sunk structure.
CN 201110233276 2011-08-15 2011-08-15 Manufacturing method of plate-shaped heat pipe and core rod assembly Pending CN102353291A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110233276 CN102353291A (en) 2011-08-15 2011-08-15 Manufacturing method of plate-shaped heat pipe and core rod assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110233276 CN102353291A (en) 2011-08-15 2011-08-15 Manufacturing method of plate-shaped heat pipe and core rod assembly

Publications (1)

Publication Number Publication Date
CN102353291A true CN102353291A (en) 2012-02-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106017176A (en) * 2016-07-18 2016-10-12 华南理工大学 Ultrathin heat pipe for heat dissipation of mobile phone and manufacturing method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050235494A1 (en) * 2004-04-23 2005-10-27 Ming-Te Chuang Heat pipe and manufacturing method thereof
CN1796916A (en) * 2004-12-30 2006-07-05 南京理工大学 Composite capillary core of capillary pump loop in two phases, and preparation method
CN1808044A (en) * 2005-01-22 2006-07-26 富准精密工业(深圳)有限公司 Sintering type heat pipe and manufacturing method thereof
TW200836869A (en) * 2007-03-03 2008-09-16 Wistron Corp Method for manufacturing heat pipe and capillary structure thereon
TW201109608A (en) * 2009-09-11 2011-03-16 Foxconn Tech Co Ltd Manufacturing method of heat pipe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050235494A1 (en) * 2004-04-23 2005-10-27 Ming-Te Chuang Heat pipe and manufacturing method thereof
CN1796916A (en) * 2004-12-30 2006-07-05 南京理工大学 Composite capillary core of capillary pump loop in two phases, and preparation method
CN1808044A (en) * 2005-01-22 2006-07-26 富准精密工业(深圳)有限公司 Sintering type heat pipe and manufacturing method thereof
TW200836869A (en) * 2007-03-03 2008-09-16 Wistron Corp Method for manufacturing heat pipe and capillary structure thereon
TW201109608A (en) * 2009-09-11 2011-03-16 Foxconn Tech Co Ltd Manufacturing method of heat pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106017176A (en) * 2016-07-18 2016-10-12 华南理工大学 Ultrathin heat pipe for heat dissipation of mobile phone and manufacturing method thereof

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Application publication date: 20120215