CN104976908B - Flexible heat pipe - Google Patents
Flexible heat pipe Download PDFInfo
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- CN104976908B CN104976908B CN201510400066.4A CN201510400066A CN104976908B CN 104976908 B CN104976908 B CN 104976908B CN 201510400066 A CN201510400066 A CN 201510400066A CN 104976908 B CN104976908 B CN 104976908B
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- heat radiation
- outer tube
- heat
- inner tube
- flexible
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to heat pipe heat radiation, a kind of flexible heat pipe is provided, including heat radiation outer tube and be positioned at the heat radiation inner tube of described heat radiation outer tube, in described heat radiation inner tube, there is the through hole arranged along its length, it is provided with heat transfer component in described through hole, described heat radiation outer tube is made by macromolecule flexible material with described heat radiation inner tube, has gap, and be filled with phase-change material in described gap between described heat radiation outer tube and described heat radiation inner tube.In the flexible heat pipe of the present invention, heat radiation outer tube all uses macromolecule flexible material to make with heat radiation inner tube, to this when flexible heat pipe is applied, it can carry out bending as required and arrange, it is applicable in the heat abstractor that installation environment is more complicated, being filled with phase-change material additionally, due in the gap between heat radiation outer tube and heat radiation inner tube, can absorb the heat of the transmission of this heat transfer component or generation via phase-change material phase transformation, heat dispersion is the strongest.
Description
Technical field
The present invention relates to heat pipe heat radiation, particularly relate to a kind of flexible heat pipe.
Background technology
Heat pipe (heat pipe) technology was widely used in the industry such as aerospace, military project in the past, since being introduced into
Radiator manufacturing so that people change the mentality of designing of traditional heat sinks, has broken away from simple dependence height
Air quantity motor obtains the single radiating mode of more preferable radiating effect, even if using hot pipe technique to make radiator
Use the slow-speed of revolution, low air quantity motor, equally obtain promising result so that the noise of puzzlement wind-cooling heat dissipating
Problem is well solved, and opens heat radiation industry new world.But the shell of heat pipe is most in the market
For metal seamless steel pipe, this kind of heat pipe is rigid objects, can not deform largely during normal work.
But needing the heat pipe with flexibility to dispel the heat in various fields, such as interior arrangement is complicated, and inner space is narrow
Little, it is not easy to arrange the device of rigidity heat pipe.
At present about the existing CN204268937U of heat pipe " a kind of tubular heat-pipe radiator ", CN104482794A
" inside and outside fin heat exchanger tube ", CN104534908A " heat exchanger tube ", CN104482792A " a kind of axial symmetry type
Intersect inner fin thermoexcell ", CN104457363A " a kind of wrap-round tubular heat exchanger tube bank heat exchanger tube twine
Winding technologe " etc. patent.These patents are all by increasing rigid structure to increase connecing of heat pipe self and air
Contacting surface is amassed and is strengthened radiating efficiency, or uses one-shaping technique to solve the various installation forms of heat pipe.The most logical
The contact area crossing increase heat pipe and air is not optimal increase heat-sinking capability solution, and passes through
One-time formed mounting process is also had no idea to enable heat pipe to change installation form and is carried out secondary use.
Summary of the invention
It is an object of the invention to provide a kind of flexible heat pipe, it is intended to for solving the installation of existing heat pipe with scattered
The problem that heat is difficult to compatibility.
The present invention is achieved in that
The present invention provides a kind of flexible heat pipe, including heat radiation outer tube and the heat radiation that is positioned at described heat radiation outer tube
Inner tube, has, in described heat radiation inner tube, the through hole arranged along its length, is provided with heat biography in described through hole
Passing parts, described heat radiation outer tube is made by macromolecule flexible material with described heat radiation inner tube, outside described heat radiation
Between pipe and described heat radiation inner tube, there is gap, and be filled with phase-change material in described gap.
Further, it is provided with in described gap and connects the some of described heat radiation outer tube and described heat radiation inner tube
Supporting walls, described gap is divided into some cavitys by each described supporting walls, and described phase-change material is filled in each institute
State in cavity.
Further, each described supporting walls all prolongs along the length direction of described heat radiation inner tube with described heat radiation outer tube
Stretch, and each described supporting walls uniform intervals is arranged.
Specifically, each described cavity is gradually-reducing shape along described heat radiation outer tube to the direction of described heat radiation inner tube.
Further, described heat radiation outer tube, described heat radiation inner tube and each the most one-body molded system of described supporting walls
Become.
Further, described heat radiation outer tube is all added with Graphene in the macromolecular material of described heat radiation inner tube
Or boron nitride.
Further, it is sequentially communicated between adjacent two described cavitys, described heat radiation outer tube is provided with exhaust
Mouthful and phase-change material sprue gate, and described exhaust outlet all connects with wherein cavity described in described sprue gate.
Specifically, sealing the described through hole of described heat radiation inner tube, described heat transfer component is described logical for being filled in
Phase-change material in hole.
Specifically, sealing the described through hole of described radiating tube inner tube, described heat transfer component is described for being poured into
The cooling air of flowing in through hole.
Specifically, described heat radiation outer tube bends extension along the mode of coiled pipe.
The method have the advantages that
In the flexible heat pipe of the present invention, heat radiation outer tube all uses macromolecule flexible material to make with heat radiation inner tube,
So that flexible heat pipe has a preferable bending performance, and then facilitate the flexible heat pipe can basis when application
Deformation is needed to install, very convenient, additionally between heat radiation outer tube and heat radiation inner tube, there is gap, at this
Be filled with phase-change material in gap space, and be provided with heat transfer component in the through hole of heat radiation inner tube, i.e. this heat
The heat that transferring element can be generated or absorbed by quickly is transferred to inner tube of dispelling the heat, and inner tube of dispelling the heat then can be by
Heat is transferred to phase-change material, and phase-change material absorbs heat by phase transformation, and then can play the work of heat radiation
With, certainly also have partial heat can be transferred to, through phase-change material, the outer tube that dispels the heat, heat radiation outer tube distribute to the external world,
This clearly, is used the flexible heat pipe of this structure not only to facilitate and installs, adapt to various peace by radiating effect
Dress occasion, and heat dispersion is the best.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the flexible heat pipe that Fig. 1 provides for the embodiment of the present invention；
Fig. 2 is the flexible heat pipe structural representation with the structure extension of coiled pipe of Fig. 1；
Fig. 3 is the structural representation that the flexible heat pipe of Fig. 1 is applied on optical cable.
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 clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The all other embodiments obtained under property work premise, broadly fall into the scope of protection of the invention.
Seeing Fig. 1-Fig. 3, the embodiment of the present invention provides a kind of flexible heat pipe 1, including heat radiation outer tube 11 and
Heat radiation inner tube 12, heat radiation inner tube 12 is arranged in heat radiation outer tube 11, and has along length in inner tube 12 of dispelling the heat
The through hole 121 that direction is arranged, is provided with heat transfer component 13 in this through hole 121, and heat transfer component 13 can
The heat being generated or absorbed by is transferred to inner tube 12 of dispelling the heat, and heat radiation outer tube 11 and heat radiation inner tube 12 are by high score
Sub-flexible material is made, and has gap 14 between, is filled with phase-change material to this space, gap 14.
In the present embodiment, heat radiation outer tube 11 is macromolecule flexible material with heat radiation inner tube 12 and makes, and not only has
Certain heat conduction and heat radiation performance, and flexibility is the highest, it is possible to and bending, such as heat radiation outer tube 11 is with scattered
Hot inner tube 12 all can extend in the way of coiled pipe, and the flexible heat pipe 1 of this this structure can be arranged in knot
The workpiece that structure is more complicated, it is ensured that radiating efficiency, additionally, due to heat radiation outer tube 11 and heat radiation inner tube 12
Between gap 14 in be filled with phase-change material, then heat transfer component 13 can be absorbed or be produced
Heat is transferred to the phase-change material in gap 14 through heat radiation inner tube 12, is protected by the decalescence of phase-change material
The heat dispersion of card flexible heat pipe 1.
See Fig. 1 and Fig. 3, optimize above-described embodiment, between heat radiation outer tube 11 and heat radiation inner tube 12
Some supporting walls 141 it are provided with, outside two opposed ends of each supporting walls 141 are respectively with heat radiation in gap 14
The inwall of pipe 11 and the outer wall of heat radiation inner tube 12 connect, by each supporting walls 141 by this space, gap 14
Being divided into some cavitys 142, phase-change material is then filled in each cavity 142.In the present embodiment, due to heat radiation
Between outer tube 11 and heat radiation inner tube 12, there is gap 14, by each supporting walls 141 so that both are formed
It is an entirety, plays the effect supporting heat radiation outer tube 11, when flexible heat pipe 1 is by external impact, logical
The deformation crossing each supporting walls 141 can play the effect of apparatus with shock absorbing, thus in ensureing flexible heat pipe 1
The stability of portion's structure.Additionally by each supporting walls 141 separation gap 14, in each cavity 142 after separation
All it is filled with phase-change material, and phase-change material can be with supporting walls 141, heat radiation outer tube 11 inwall and heat radiation
Inner tube 12 contact internal walls, can effectively increase phase-change material and flexible thermal to this by arranging each supporting walls 141
Contact area between pipe 1 internal structure, improves the heat transference efficiency of flexible heat pipe 1.Usually, heat radiation
Outer tube 11, be all formed in one and make between heat radiation inner tube 12 and each supporting walls 141, i.e. three is one whole
Body, is also macromolecular material to this each supporting walls 141, has the most flexible and heat transfer performance,
On the premise of disclosure satisfy that flexible heat pipe 1 structural stability, it is ensured that its heat dispersion and flexibility.Specifically
When making, it is formed with heat radiation inner tube 12 by once extruding or stretching, then uses special dies by two
Secondary extruding or stretching are formed with heat radiation outer tube 11, for special dies heat radiation outer tube 11 mainly and after shaping
Relevant to the gap 14 between heat radiation inner tube 12, such as there is in gap 14 some supporting walls 141, right
This uses special dies to make when secondary extrusion or stretching and is formed with each supporting walls 141 structure, additionally by
Equal axially extending along optical cable 1 in each supporting walls 141, such that it is able to by the heat radiation inner tube 12 after one-shot forming
End extruding or drawing and forming heat radiation outer tube 11 and each supporting walls 141, more convenient, heat radiation inner tube 12 with
The shaping of heat radiation outer tube 11 can use the shaping of hose forming machine double sebific duct to realize.Certainly squeeze at secondary
After pressure or drawing and forming heat radiation outer tube 11, should fill out in the gap 14 of heat radiation inner tube 12 to heat radiation outer tube 11
Fill phase-change material, it is ensured that heat radiation outer tube 11 and the heat dispersion of heat radiation inner tube 12.
Optimizing the structure of above-mentioned supporting walls 141, each supporting walls 141 is all along heat radiation inner tube 12 and heat radiation outer tube 11
Length direction extend, and each supporting walls 141 uniform intervals arrange.In the present embodiment, each supporting walls 141
Around the radial distribution of heat radiation outer tube 11 with heat radiation inner tube 12, sandwiched between two the most adjacent supporting walls 141
Cavity 142 all extend, for this structure along the length direction of heat radiation outer tube 11 with heat radiation inner tube 12
Supporting walls 141 to add man-hour more convenient, and when adding phase-change material in each cavity 142 also than
Relatively simple, turn between adjacent two cavitys 142, and be provided with and a wherein cavity on heat radiation outer tube 11
The sprue gate of 142 connections and exhaust outlet, only need to be added phase-change material by this sprue gate, can make each
Phase-change material all it is filled with in cavity 142.Additionally, due to each supporting walls 141 in heat radiation outer tube 11 and heat radiation
The radially uniform distribution of pipe 12, then the heat radiation making flexible heat pipe 1 radially go up everywhere compares equilibrium,
Avoid the problem that flexible heat pipe 1 interior section regional temperature is too high.Further, each cavity 142 is along dissipating
Hot outer tube 11 is gradually-reducing shape to the direction of heat radiation inner tube 12.Owing to heat radiation inner tube 12 is positioned at heat radiation outer tube 11
Inner side, to this heat radiation outer tube 11 inner wall area more than heat radiation inner tube 12 outer wall area, use this
Tapered configuration can beneficially increase the volume of each cavity 142, it is ensured that the heat dispersion of flexible heat pipe 1.
See Fig. 3, further, be added with in the macromolecular material of heat radiation inner tube 12 at heat radiation outer tube 11
Graphene and boron nitride.For making the macromolecule material of heat radiation outer tube 11 and heat radiation inner tube 12 in the present embodiment
Material is composite, can add Graphene or boron nitride in it, so that heat radiation outer tube 11
It is respectively provided with stronger heat conductivility, beneficially flexible heat pipe 1 with heat radiation inner tube 12 to dispel the heat.For this structure
Flexible heat pipe 1 can be applied in optical cable, is provided with inner cladding 131 in the through hole 121 of heat radiation inner tube 12
And fibre core 132, and inner cladding 131 wraps up fibre core 132, then the heat transfer component 13 in through hole 121 is
Inner cladding 131 and fibre core 132, certain inner cladding 131 and fibre core 132 should use flexible glass material to make,
Thus ensure integrally-built flexibility, conveniently install and use, additionally, due to Modern high power optical fiber laser
Efficiency typically between 75%-85%, the optical fiber laser of 1 kilowatt, doping light inside have 200-350
Watt heat exist, and when using the flexible heat pipe 1 of this structure to wrap up inner cladding 131 with fibre core 132,
Its heat produced can distribute via the effect of heat radiation inner tube 12, phase-change material and heat radiation outer tube 11,
Heat can be prevented effectively to fibre core 132 and the damage of inner cladding 131.General laser beam is only at fibre core 132
Inside transmitting, pump light then transmits in inner cladding 131 at fibre core 132, to this by above-mentioned soft
Property heat pipe 1 when being applied on optical cable, need in fibre core 132, inner cladding 131 and heat radiation inner tube 12
The refractive index of wall all restricts, and is specially and is sequentially reduced along said sequence, i.e. reflexes to interior bag when laser beam
When layer 131 and the contact position of fibre core 132, laser beam can be all-trans and be incident upon fibre core 132 by the inwall of inner cladding 131
In, with should pump light reflex to the contact position of inner cladding 131 and heat radiation inner tube 12 time, inner tube 12 of dispelling the heat
Inwall this pump light can be all-trans and be incident upon in inner cladding 131, and may pass through fibre core 132.It is specially fibre core
The refractive index of 132 is about 1.93, and the refractive index of inner cladding 131 is about 1.5, heat radiation inner tube 12 interior
Wall refractive index is about 1.1.
Seeing Fig. 1, in other embodiment, heat transfer component 13 can also be other version,
Such as the through hole 121 of heat radiation inner tube 12 is sealed, in the through hole 121 of this sealing, fill phase-change material, i.e.
Heat transfer component 13 is phase-change material.In the present embodiment, flexible heat pipe 1 can apply to the electronics of precision
In device, owing to the softness of flexible heat pipe 1 is the best, then can be in the confined space of electronic device
Carry out bending to install, very convenient, additionally fill out in the gap 14 between heat radiation inner tube 12 and heat radiation outer tube 11
It is filled with phase-change material, is also filled with phase-change material in the through hole 121 of heat radiation inner tube 12 simultaneously, and inner tube of dispelling the heat
12 are respectively provided with stronger heat conductivility with heat radiation outer tube 11, have superpower to the flexible heat pipe 1 of this this structure
Heat dispersion, electronic device should work produce heat can under the effect of flexible heat pipe 1 Quick diffusing,
Ensure the normal work of electronic device.After the through hole 121 of heat radiation inner tube 12 seals, it can also seal
Through hole 121 in be filled with the cooling air that the cooling air of flowing, i.e. heat transfer component 13 can be flowing, logical
The cooling air crossing flowing can carry out quick heat exchange with the heat absorbed so that the flexibility of this structure
Heat pipe 1 also has high heat dispersion.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (8)
1. a flexible heat pipe, it is characterised in that: include dispelling the heat outer tube and being positioned at described heat radiation outer tube
Heat radiation inner tube, has, in described heat radiation inner tube, the through hole arranged along its length, is provided with in described through hole
Heat transfer component, described heat radiation outer tube is made by macromolecule flexible material with described heat radiation inner tube, described scattered
There is between hot outer tube and described heat radiation inner tube gap, and be filled with phase-change material in described gap, in institute
The some supporting walls connecting described heat radiation outer tube with described heat radiation inner tube, each described support it is provided with in stating gap
Described gap is divided into some cavitys by wall, and described phase-change material is filled in each described cavity, described heat radiation
Outer tube, described heat radiation inner tube and each described supporting walls is the most one-body molded makes, and secondary extrusion or stretching
Time be formed with each described supporting walls.
2. flexible heat pipe as claimed in claim 1, it is characterised in that: each described supporting walls all dissipates along described
Hot inner tube extends with the length direction of described heat radiation outer tube, and each described supporting walls uniform intervals is arranged.
3. flexible heat pipe as claimed in claim 1, it is characterised in that: each described cavity is along described heat radiation
Outer tube is gradually-reducing shape to the direction of described heat radiation inner tube.
4. flexible heat pipe as claimed in claim 1, it is characterised in that: described heat radiation outer tube and described heat radiation
The macromolecular material of inner tube is all added with Graphene or boron nitride.
5. flexible heat pipe as claimed in claim 1, it is characterised in that: depend between adjacent two described cavitys
Secondary connection, described heat radiation outer tube is provided with exhaust outlet and phase-change material sprue gate, and described exhaust outlet with
Described sprue gate all connects with wherein cavity described in.
6. the flexible heat pipe as described in any one of claim 1-5, it is characterised in that: seal in described heat radiation
The described through hole of pipe, described heat transfer component is the phase-change material being filled in described through hole.
7. the flexible heat pipe as described in any one of claim 1-5, it is characterised in that: seal described radiating tube
The described through hole of inner tube, described heat transfer component is to be poured into the cooling air of the interior flowing of described through hole.
8. flexible heat pipe as claimed in claim 1, it is characterised in that: described heat radiation outer tube is along coiled pipe
Mode bends extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510400066.4A CN104976908B (en) | 2015-07-09 | 2015-07-09 | Flexible heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510400066.4A CN104976908B (en) | 2015-07-09 | 2015-07-09 | Flexible heat pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104976908A CN104976908A (en) | 2015-10-14 |
| CN104976908B true CN104976908B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510400066.4A Active CN104976908B (en) | 2015-07-09 | 2015-07-09 | Flexible heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104976908B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405609B (en) * | 2018-10-24 | 2024-04-02 | 山东岱荣节能环保科技有限公司 | Efficient phase change heat pipe and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1900647A (en) * | 2005-07-21 | 2007-01-24 | 施国梁 | High molecule material heat pipe |
| CN101173843A (en) * | 2006-11-01 | 2008-05-07 | 富准精密工业(深圳)有限公司 | Flexible heat pipe |
| JP4386010B2 (en) * | 2005-08-03 | 2009-12-16 | パナソニック株式会社 | Flexible heat pipe |
| TW201144738A (en) * | 2010-06-08 | 2011-12-16 | zong-zhi Hou | Flexible heat dissipation pipe |
-
2015
- 2015-07-09 CN CN201510400066.4A patent/CN104976908B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1900647A (en) * | 2005-07-21 | 2007-01-24 | 施国梁 | High molecule material heat pipe |
| JP4386010B2 (en) * | 2005-08-03 | 2009-12-16 | パナソニック株式会社 | Flexible heat pipe |
| CN101173843A (en) * | 2006-11-01 | 2008-05-07 | 富准精密工业(深圳)有限公司 | Flexible heat pipe |
| TW201144738A (en) * | 2010-06-08 | 2011-12-16 | zong-zhi Hou | Flexible heat dissipation pipe |
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| Publication number | Publication date |
|---|---|
| CN104976908A (en) | 2015-10-14 |
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