CN106288902A - Weave the preparation method of class capillary wick and use the heat pipe of this wick - Google Patents
Weave the preparation method of class capillary wick and use the heat pipe of this wick Download PDFInfo
- Publication number
- CN106288902A CN106288902A CN201610889958.XA CN201610889958A CN106288902A CN 106288902 A CN106288902 A CN 106288902A CN 201610889958 A CN201610889958 A CN 201610889958A CN 106288902 A CN106288902 A CN 106288902A
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- China
- Prior art keywords
- capillary wick
- preparation
- wick
- braiding
- stress
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The present invention provides a kind of preparation method weaving class capillary wick, comprises the following steps, 1) braiding capillary wick, the capillary wick of design shape it is knitted to form with copper wire for base material；2) Re-stress cure process, uses the method for physics destressing or chemistry destressing that the capillary wick of braiding is carried out Re-stress process so that copper wire deformation no longer has and resets because of stress；3) oxidation processes, the capillary wick after processing Re-stress at a temperature of certain predetermined aoxidizes so that capillary wick is hardening；4) straightization processes, and the capillary wick processing after hardening is stretched.Capillary wick prepared by the present invention need not plug auxiliary when inserting heat pipe, it is inserted directly into, and it is made without sintering processes after in insertion heat pipe, with insert with, thus solve the series of problems of bending, tilting and the loose contact etc. that exist under traditional handicraft, improve properties of product and manufacture yield；Simultaneously, it is not necessary to plug, the cost of manufacture of heat pipe has been saved.
Description
Technical field
The invention belongs to radiating element technical field, be specifically related to a kind of preparation method weaving class capillary wick and make
With the heat pipe of this wick.
Background technology
Along with the development of technology, the collection of electronic devices and components is the most increasing, and the heat produced in its unit volume is also
Increasing, the effective area of dissipation being meanwhile available for utilizing is more and more less, and heat dissipation problem becomes restriction electronic devices and components
A collection key factor on a large scale.Liquid-cooled heat pipe is the biphase passive heat-transfer device of a kind of high efficient and reliable, utilizes working medium
Phase transformation realizes the transmission of heat, and its high stability and efficient heat-sinking capability make it be widely used at field of radiating.
Capillary wick is the core of liquid-cooled heat pipe, is a kind of loose structure, is arranged in heat pipe, and heat passes through
Heat pipe evaporator section passes to capillary wick and heats the liquid refrigerant of capillary wick core outer surface, and Working fluid phase changing forms vapour-liquid
Demarcating thus produce capillary suction force, the working medium circulation that capillary suction force is whole heat pipe provides power to realize heat with this
Transfer, the performance of capillary wick directly influences the heat conductivility of whole heat pipe.Capillary wick is arranged on heat pipe
Interior intracavity, in order to improve its serviceability, capillary wick needs the straight and upright inwall snugly fitting to heat pipe, capillary wick
Core is to be formed by proof copper-wire braided, and matter is soft, wants that its entirety is straight and upright, be close to heat pipe inwall after loading in heat pipe, need by
Plug, plug inserts in heat pipe with capillary wick, and plug provides location support force, capillary wick to capillary wick
Plug is taken out after high temperature sintering sizing together with heat pipe by core again, and the capillary wick that this mode is installed there will be after putting core
Bending, tilting, cause bad with heat pipe contact internal walls, and the gas circuit of working medium circulation is obstructed, and affects final heat transfer efficiency, simultaneously
Reduce the yield of heat pipe to a certain extent；Plug is expensive, and use cost is high.How to prepare work by capillary wick
The improvement of skill solve this series of problem be current industry common faced by a difficult problem.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of preparation method weaving class capillary wick, preparation
Capillary wick need not plug auxiliary when inserting heat pipe, is inserted directly into, and insert heat pipe interior after be made without
Sintering processes, with insert with, thus solve the series of problems of bending, tilting and the loose contact etc. that exist under traditional handicraft；
Simultaneously, it is not necessary to plug, the cost of manufacture of heat pipe has been saved.
For reaching above-mentioned purpose, technical scheme is as follows: a kind of preparation method weaving class capillary wick, its
It is characterised by: comprise the following steps,
1) braiding capillary wick, is knitted to form the capillary wick of design shape with copper wire for base material；
2) Re-stress cure process, uses the method for physics destressing or chemistry destressing to step 1) middle braiding
Capillary wick carries out Re-stress process so that copper wire deformation no longer has and resets because of stress；
3) oxidation processes, to step 2 at a temperature of certain predetermined) in Re-stress process after capillary wick carry out oxygen
Change so that capillary wick is hardening；
4) straightization process, by step 3) in hardening after capillary wick processing stretch.
In one preferred embodiment of the present invention, further include at a temperature of 400 DEG C～900 DEG C step 1) middle volume
The capillary wick knitted carries out Re-stress process of annealing.
In one preferred embodiment of the present invention, farther include step 3) in oxidizing temperature be 25 DEG C～400 DEG C.
In one preferred embodiment of the present invention, farther include step 3) in oxidizing temperature be 50 DEG C～150 DEG C.
In one preferred embodiment of the present invention, farther include step 1) if in copper wire for base material weave dried layer imbibition
Copper mesh, if described dried layer imbibition copper mesh stacks gradually the described capillary wick of formation.
In one preferred embodiment of the present invention, the grid mesh number farther including described imbibition copper mesh is 200～500
Mesh.
In one preferred embodiment of the present invention, farther include step 1) if in copper wire for base material weave carried interest imbibition
Copper strips, if the described carried interest imbibition copper strips described capillary wick of mutual stranded formation.
In one preferred embodiment of the present invention, farther include to be formed described imbibition copper by 60～150 proof copper-wire braideds
Band.
In one preferred embodiment of the present invention, the string diameter farther including described copper wire is 0.002～0.02mm.
For reaching above-mentioned purpose, another technical scheme of the present invention is as follows: a kind of heat pipe, including shell, body and envelope
Mouthful, described shell and sealing cooperation form negative-pressure sealed space in making described body, it is characterised in that: it also includes that right is wanted
Seeking the capillary wick described in any one of 1-9, the described capillary wick after directly change being processed is inserted directly in body, described hair
Thin wick is arranged along the inner tubal wall of the axially extending of body and laminating body.
The invention has the beneficial effects as follows: the preparation method of the braiding class capillary wick of the present invention, the capillary wick of preparation
Core need not plug auxiliary when inserting heat pipe, is inserted directly into, and insert heat pipe interior after be made without sintering processes,
With insert with, thus solve the series of problems of bending, tilting and the loose contact etc. that exist under traditional handicraft, improve product
Performance and manufacture yield；Simultaneously, it is not necessary to plug, the cost of manufacture of heat pipe has been saved.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in embodiment of the present invention technology, in embodiment technology being described below
The required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only some realities of the present invention
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the structural representation of the heat pipe of the preferred embodiment of the present invention；
Fig. 2 is the structural representation of preferred embodiment of the present invention imbibition copper mesh；
Fig. 3 is the schematic top plan view of second embodiment of the invention capillary wick；
Fig. 4 is the structural representation of second embodiment of the invention imbibition copper strips.
Wherein: 2-capillary wick, 4-imbibition copper mesh, 6-imbibition copper strips, 8-copper wire, 10-heat pipe, 12-shell, 14-
Body, 16-seals.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Embodiment one
The present embodiment discloses a kind of preparation method weaving class capillary wick, comprises the following steps,
1) braiding capillary wick 2, is knitted to form the capillary wick 2 of design shape with copper wire 8 for base material；
If it is as in figure 2 it is shown, the dried layer imbibition copper mesh 4 that the capillary wick 2 of the present embodiment is copper wire 8 braiding, described some
Layer imbibition copper mesh 4 stacks gradually the described capillary wick 2 of formation, and the grid mesh number controlling imbibition copper mesh 4 during braiding is 200
～500 mesh, the string diameter controlling copper wire 8 is 0.002～0.02mm so that the capillary wick 2 after braiding is arranged in heat pipe
After, the thickness of heat pipe can control at below 0.5mm.
2) Re-stress processes, and the method for physics destressing or chemistry destressing can be used woven later hair
Thin wick 2 carries out Re-stress process so that capillary wick 2 is overall hardening.Preferably employ physics method for removing stress, specifically
Be at a temperature of 400 DEG C～900 DEG C, capillary wick 2 is carried out anneal Re-stress so that copper wire deformation no longer have because
Stress and reset.In the way of using chemical reagent immersion, capillary wick 2 can be carried out district's internal stress process so that copper
Deformation of filament no longer has and resets because of stress.
3) oxidation processes, at a temperature of 25 DEG C～400 DEG C aoxidize internal stress process after capillary wick 2 so that
Capillary wick 2 is hardening, improves the capillary force of capillary wick 2 with this, by continual test, it is thus achieved that at 50 DEG C～
At a temperature of 150 DEG C, oxidation improves the best results of capillary force, it is possible to increase about 20%.
4) straightization processes, and processing stretches the capillary wick 2 after oxidation.
The capillary wick 2 prepared through as above processing step is straight and upright and hard, is directly inserted in ingress pipe, is not required to
Want plug to assist, be inserted directly into, and be made without sintering processes after inserting in heat pipe, with insert with, thus solve
The series of problems of bending, tilting and the loose contact etc. that exist under traditional handicraft, improves properties of product and manufactures good
Rate；Simultaneously, it is not necessary to plug, the cost of manufacture of heat pipe has been saved.
Embodiment two
The present embodiment differs only in compared to embodiment one: the braiding structure of capillary wick 2 is different, such as Fig. 3,4 institutes
Showing, with copper wire 8 that string diameter is 0.002～0.02mm as base material, if braiding carried interest imbibition copper strips 6, per share imbibition copper strips 6 selects 4
～150 copper wires 8, if by mutual for the imbibition copper strips 6 of carried interest stranded formation capillary wick 2.Weaving is difficult to embodiment one, but
The thickness of final heat pipe can be compressed further.
Embodiment three
As it is shown in figure 1, the present embodiment provides a kind of heat pipe, including shell 12, body 14 and sealing 16, described shell 12
Forming negative-pressure sealed space in making described body 14 with sealing 16 cooperation, the airtight spatial interpolation of negative pressure enters capillary as above
Wick 2, capillary wick 2 extends along the axis of body 14, and the inner tubal wall of laminating body is arranged, the capillary after optimization process
Wick 2 is directly inserted in body 14, the conjugation of capillary wick 2 and body 14 is good, stops bending and tilts
Phenomenon, the contact surface of capillary wick 2 and body 14 can be accomplished to maximize, improve the radiating efficiency of heat pipe with this.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (10)
1. the preparation method weaving class capillary wick, it is characterised in that: comprise the following steps,
1) braiding capillary wick, is knitted to form the capillary wick of design shape with copper wire for base material；
2) Re-stress cure process, uses the method for physics destressing or chemistry destressing to step 1) the middle capillary woven
Wick carries out Re-stress process so that copper wire deformation no longer has and resets because of stress；
3) oxidation processes, to step 2 at a temperature of certain predetermined) in Re-stress process after capillary wick aoxidize,
Make capillary wick hardening；
4) straightization process, by step 3) in hardening after capillary wick processing stretch.
The preparation method of braiding class capillary wick the most according to claim 1, it is characterised in that: at 400 DEG C～900 DEG C
At a temperature of to step 1) in braiding capillary wick carry out anneal Re-stress process.
The preparation method of braiding class capillary wick the most according to claim 1, it is characterised in that: step 3) in oxidation
Temperature is 25 DEG C～400 DEG C.
The preparation method of braiding class capillary wick the most according to claim 3, it is characterised in that: step 3) in oxidation
Temperature is 50 DEG C～150 DEG C.
The preparation method of braiding class capillary wick the most according to claim 1, it is characterised in that: step 1) in copper wire
If weaving dried layer imbibition copper mesh for base material, if described dried layer imbibition copper mesh stacks gradually the described capillary wick of formation.
The preparation method of braiding class capillary wick the most according to claim 5, it is characterised in that: described imbibition copper mesh
Grid mesh number is 200～500 mesh.
The preparation method of braiding class capillary wick the most according to claim 1, it is characterised in that: step 1) in copper wire
If weave carried interest imbibition copper strips for base material, if the described carried interest imbibition copper strips described capillary wick of mutual stranded formation.
The preparation method of braiding class capillary wick the most according to claim 7, it is characterised in that: by 60～150 copper
Silk is knitted to form described imbibition copper strips.
The preparation method of braiding class capillary wick the most according to claim 1, it is characterised in that: the string diameter of described copper wire
It is 0.002～0.02mm.
10. a heat pipe, is formed negative in making described body including shell, body and sealing, described shell and sealing cooperation
Press seal closes space, it is characterised in that: it also includes the capillary wick described in any one of claim 1-9, after directly change being processed
Described capillary wick be inserted directly in body, described capillary wick along the axially extending of body and laminating body along
Tube wall is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610889958.XA CN106288902B (en) | 2016-10-12 | 2016-10-12 | Weave the preparation method of class capillary wick and the heat conducting pipe using the liquid-sucking core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610889958.XA CN106288902B (en) | 2016-10-12 | 2016-10-12 | Weave the preparation method of class capillary wick and the heat conducting pipe using the liquid-sucking core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106288902A true CN106288902A (en) | 2017-01-04 |
| CN106288902B CN106288902B (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610889958.XA Active CN106288902B (en) | 2016-10-12 | 2016-10-12 | Weave the preparation method of class capillary wick and the heat conducting pipe using the liquid-sucking core |
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| Country | Link |
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| CN (1) | CN106288902B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019176948A1 (en) * | 2018-03-12 | 2019-09-19 | 株式会社フジクラ | Flat heat pipe |
| CN113237364A (en) * | 2021-04-25 | 2021-08-10 | 西安交通大学 | High-temperature heat pipe processing and manufacturing method |
| CN116625149A (en) * | 2023-06-16 | 2023-08-22 | 广州大学 | Composite liquid suction core unidirectional heat pipe and processing method thereof |
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| CN2784856Y (en) * | 2005-02-22 | 2006-05-31 | 徐惠群 | Capillary structure of heat pipe |
| CN101386029A (en) * | 2008-11-03 | 2009-03-18 | 西安建筑科技大学 | Composite roll mixed with reinforcement cast iron base and manufacture method thereof |
| US20120201759A1 (en) * | 2011-02-03 | 2012-08-09 | Massachusetts Institute Of Technology | Tunable multiscale structures comprising bristly, hollow metal/metal oxide particles, methods of making and articles incorporating the structures |
| CN102840783A (en) * | 2012-07-30 | 2012-12-26 | 南京航空航天大学 | Flexible even temperature plate |
| CN105258543A (en) * | 2014-06-06 | 2016-01-20 | 奇鋐科技股份有限公司 | Crosswise-woven capillary structure and heat pipe structure with same |
| US20160123678A1 (en) * | 2014-11-04 | 2016-05-05 | i2C Solutions, LLC | Conformal thermal ground planes |
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2016
- 2016-10-12 CN CN201610889958.XA patent/CN106288902B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2784856Y (en) * | 2005-02-22 | 2006-05-31 | 徐惠群 | Capillary structure of heat pipe |
| CN101386029A (en) * | 2008-11-03 | 2009-03-18 | 西安建筑科技大学 | Composite roll mixed with reinforcement cast iron base and manufacture method thereof |
| US20120201759A1 (en) * | 2011-02-03 | 2012-08-09 | Massachusetts Institute Of Technology | Tunable multiscale structures comprising bristly, hollow metal/metal oxide particles, methods of making and articles incorporating the structures |
| CN102840783A (en) * | 2012-07-30 | 2012-12-26 | 南京航空航天大学 | Flexible even temperature plate |
| CN105258543A (en) * | 2014-06-06 | 2016-01-20 | 奇鋐科技股份有限公司 | Crosswise-woven capillary structure and heat pipe structure with same |
| US20160123678A1 (en) * | 2014-11-04 | 2016-05-05 | i2C Solutions, LLC | Conformal thermal ground planes |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019176948A1 (en) * | 2018-03-12 | 2019-09-19 | 株式会社フジクラ | Flat heat pipe |
| CN113237364A (en) * | 2021-04-25 | 2021-08-10 | 西安交通大学 | High-temperature heat pipe processing and manufacturing method |
| CN116625149A (en) * | 2023-06-16 | 2023-08-22 | 广州大学 | Composite liquid suction core unidirectional heat pipe and processing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106288902B (en) | 2018-03-16 |
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Address after: 215127 No. 9 Hong Kong Road, Luzhi Town, Wuzhong District, Suzhou, Jiangsu Patentee after: Suzhou Tianmai thermal Polytron Technologies Inc Address before: 215127 No. 9 Hong Kong Road, Luzhi Town, Wuzhong District, Suzhou, Jiangsu Patentee before: Suzhou Tianmai Thermal Technology Co., Ltd. |