CN204177257U - A kind of annular heat pipe - Google Patents
A kind of annular heat pipe Download PDFInfo
- Publication number
- CN204177257U CN204177257U CN201420621427.9U CN201420621427U CN204177257U CN 204177257 U CN204177257 U CN 204177257U CN 201420621427 U CN201420621427 U CN 201420621427U CN 204177257 U CN204177257 U CN 204177257U
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- China
- Prior art keywords
- heat pipe
- shell
- end cap
- annular heat
- working media
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Abstract
The utility model discloses a kind of annular heat pipe, it is characterized in that: comprising: shell, end cap, exhaust tube, capillary structure and working media; Described shell is the U-shaped hollow tube of both ends open, described shell and end cap form airtight cavity, be provided with described capillary structure in described airtight cavity, described exhaust tube to be arranged on described end cap and to be connected with described end cap, is marked with described working media in described airtight cavity.A kind of annular heat pipe that the utility model provides, reasonable in design, one-body molded, heat pipe heat radiation good heat conduction effect, the heat transfer efficiency of heat pipe improves 2 ~ 3 times than general heat pipe, at the bottom of cost of manufacture, easy to use; The setting of capillary structure, increases the area of dissipation of radiating area, increases heat transfer efficiency further; Fill the working media being used for heat conduction condensation in airtight chamber, working media can according to circumstances select gas and liquid, makes the scope of application of the present utility model more extensive.
Description
Technical field
The utility model relates to a kind of annular heat pipe, particularly relates to a kind of annular heat pipe that can be applicable to the heat exchange of heat pipe that power electronic devices heat radiation, waste-heat recovery device and machine room, interior of equipment cabinet use.
Background technology
Along with the develop rapidly of Power Electronic Technique, high-power, large scale, high heat flux electronic devices and components get more and more, and heating power consumption is increasing, and heat dissipation problem becomes one of its key factor further developed of restriction.Heat pipe is a kind of very effective heat transfer element, and heat can be carried by its less sectional area by a distance and without the need to additionaling power, in electronic radiation field, the application of heat pipe gets more and more, and little by little becomes the components and parts that power electronics field of radiating is important.In the at present conventional heat pipe, its feature starts to be all " in-line " substantially, bending according to actual needs or flatten into the shape of needs before being made into radiator.This heat pipe complex manufacturing, cost is high, the production cycle is long, causes heat dissipation low.
Utility model content
Technical problem to be solved in the utility model is, provide a kind of and make simply, cost is low, integrated annular heat pipe, and further, it is high that the utility model also has heat conductive efficiency, the feature that thermal resistance is little.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of annular heat pipe, is characterized in that: comprising: shell, end cap, exhaust tube, capillary structure and working media; Described shell is the U-shaped hollow tube of both ends open, described shell and end cap form airtight cavity, be provided with described capillary structure in described airtight cavity, described exhaust tube to be arranged on described end cap and to be connected with described end cap, is marked with described working media in described airtight cavity.
The material of described shell is aluminium or copper, and the inner surface of described shell is smooth wall or groove structure.
Described airtight cavity comprises circle, rectangle or ellipse.
Described end cap is the semicircle tubular structure of both ends open, described semicircle tubular structure is welded with the described exhaust tube for vacuumizing and pour into described working media, forms described annular heat pipe after described end cap and shell assemble.
Described capillary structure comprises described groove structure or is fixed on the mesh material of described shell inner surface, sintered metal powder material, fibrous material or porous material; Described capillary structure is positioned at the radiating area of described annular heat pipe.
Described exhaust tube is metal capillary, and the material of described exhaust tube is identical with the material of described shell.
Described working media comprises gas for cooling heat dissipation or liquid.
Heat pipe described in the utility model is a kind of circulus, and shell and end cap form airtight cavity, by exhaust tube by inside cavity vacuum state, and inject working media.
Shell described in the utility model, be extruded by the metal material such as metallic aluminium or metallic copper by mould or drawn to form, its inner surface is smooth wall or groove structure.The inside of shell is the cavity of annular heat pipe, and for the steam and condensed fluid being positioned at inside heat pipe provides airtight cavity, this cavity can be circle, rectangle, ellipse.
Exhaust tube described in the utility model is for vacuumizing and pouring into working media, and linked together by welding methods such as soldering, argon arc welding, Laser Welding between end cap and shell, exhaust tube is metal capillary, and material is consistent with envelope material.
Capillary structure described in the utility model, both shell can be depended on, one-body molded when shell extruding or drawing, also can insert mesh material, sintered metal powder material, fibrous material, porous material etc. in shell inside, provide capillary force at inside heat pipe or improve heat exchange efficiency.
Working media described in the utility model is liquid or gas, according to the service condition of annular heat pipe, selects and shell, the long-term compatible substances of capillary structure
.
A kind of annular heat pipe that the utility model provides, be made up of U-tube shell and semicircle end cap, the inside of U-tube shell and semicircle end cap is annular closed chamber, exhaust tube is connected with airtight chamber and vacuum-pumping and pour into the working media dispelled the heat for condensation, this reasonable in design, one-body molded, heat pipe heat radiation good heat conduction effect, the heat transfer efficiency of heat pipe improves 2 ~ 3 times than general heat pipe, at the bottom of cost of manufacture, easy to use; The setting of capillary structure, increases the area of dissipation of radiating area, increases heat transfer efficiency further; Fill the working media being used for heat conduction condensation in airtight chamber, working media can according to circumstances select gas and liquid, makes the scope of application of the present utility model more extensive.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, describe detailed description of the invention of the present utility model in detail.
As depicted in figs. 1 and 2, a kind of annular heat pipe described in the utility model, comprises shell 1, end cap 2, exhaust tube 3, capillary structure 4 and working media 5.It is characterized in that this heat pipe is a kind of circulus, shell 1 and end cap 2 form airtight cavity, and airtight cavity inside exists capillary structure 4, by exhaust tube 3 by inner for airtight cavity vacuum state, and inject working media 5.
Shell 1 described in the utility model, be extruded by the metal material such as metallic aluminium, metallic copper by mould or drawn to form, its inner surface is smooth wall or groove structure.The inside of shell 1 is the cavity of annular heat pipe, and for the steam of inside heat pipe and condensed fluid provide airtight cavity, this cavity can be circle, rectangle, ellipse etc.
End cap 2 described in the utility model, it is characterized in that, described end cap 2 is a kind of semicircle tubular structure, material is consistent with shell 1, semicircle tubular structure is welded with exhaust tube 3, for vacuumizing and pour into working media 5, linked together by welding methods such as soldering, argon arc welding, Laser Welding between end cap 2 and shell 1.
Exhaust tube 3 described in the utility model, material and shell 1, end cap 2 are identical.Diameter is between 2mm ~ 4mm, and exhaust tube 3 and annular heat pipe internal cavity communicate, and is linked together by welding method and end cap 2; Main Function vacuumizes to annular heat pipe inside, pours into working media 5, after vacuumizing etc. having completed, pouring into working media 5, first pressed from both sides flat sealing with closing devices such as hydraulic tongs, locking pliers, frock clamps, then cut off with scissors, finally with welding machine by its welded seal.
Capillary structure 4 described in the utility model, it is characterized in that, described capillary structure 4 both can depend on shell 1, it is one-body molded when shell 1 extrudes or draws, also can insert mesh material, sintered metal powder material, fibrous material, porous material etc. in shell 1 inside, provide capillary force to improve heat exchange efficiency for cooling liquid backflow or at heat pipe condenser section at inside heat pipe; Working media 5 described in the utility model, its material, according to the service condition of annular heat pipe, selects the liquid compatible for a long time with shell 1, capillary structure 4 or gas composition.Working media 5 injects annular heat pipe chamber body by exhaust tube 3.
By the annular heat pipe that above embodiment is obtained, the heat transfer efficiency of heat pipe improves 2 ~ 3 times than general heat pipe, at the bottom of cost of manufacture, easy to use.
The above is only preferred embodiment of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. an annular heat pipe, is characterized in that: comprising: shell, end cap, exhaust tube, capillary structure and working media; Described shell is the U-shaped hollow tube of both ends open, described shell and end cap form airtight cavity, be provided with described capillary structure in described airtight cavity, described exhaust tube to be arranged on described end cap and to be connected with described end cap, is marked with described working media in described airtight cavity.
2. a kind of annular heat pipe according to claim 1, is characterized in that: the material of described shell is aluminium or copper, and the inner surface of described shell is smooth wall or groove structure.
3. a kind of annular heat pipe according to claim 1, is characterized in that: described airtight cavity comprises circle, rectangle or ellipse.
4. a kind of annular heat pipe according to claim 1, it is characterized in that: described end cap is the semicircle tubular structure of both ends open, described semicircle tubular structure is welded with the described exhaust tube for vacuumizing and pour into described working media, after described end cap and shell assemble, forms described annular heat pipe.
5. a kind of annular heat pipe according to claim 1, is characterized in that: described capillary structure comprises described groove structure or is fixed on the mesh material of described shell inner surface, sintered metal powder material, fibrous material or porous material; Described capillary structure is positioned at the radiating area of described annular heat pipe.
6. a kind of annular heat pipe according to claim 1, is characterized in that: described exhaust tube is metal capillary, and the material of described exhaust tube is identical with the material of described shell.
7. a kind of annular heat pipe according to claim 1, is characterized in that: described working media comprises gas for cooling heat dissipation or liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420621427.9U CN204177257U (en) | 2014-10-24 | 2014-10-24 | A kind of annular heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420621427.9U CN204177257U (en) | 2014-10-24 | 2014-10-24 | A kind of annular heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204177257U true CN204177257U (en) | 2015-02-25 |
Family
ID=52566063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420621427.9U Expired - Fee Related CN204177257U (en) | 2014-10-24 | 2014-10-24 | A kind of annular heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204177257U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052449A (en) * | 2016-07-29 | 2016-10-26 | 苏州聚力电机有限公司 | Parallel combining connecting part end cover closing structure of loop type heat pipe |
| CN106091770A (en) * | 2016-07-29 | 2016-11-09 | 苏州聚力电机有限公司 | The vacuum heat-conduction body of tool end face strengthening effect |
| CN106091761A (en) * | 2016-07-29 | 2016-11-09 | 苏州聚力电机有限公司 | A kind of loop type heat pipe and organize connecting portion end cap enclosed construction |
| CN106197107A (en) * | 2016-07-29 | 2016-12-07 | 苏州聚力电机有限公司 | A kind of vacuum heat-conduction body having end face strengthening effect and preparation method thereof |
| CN106246589A (en) * | 2016-08-08 | 2016-12-21 | 洛阳轴研科技股份有限公司 | A kind of bearing Special heat dissipating cover for seat |
| CN106288894A (en) * | 2016-08-10 | 2017-01-04 | 清华大学 | A kind of supercritical fluid heat pipe |
| CN107238306A (en) * | 2017-05-18 | 2017-10-10 | 苏州鲁卡斯金属科技有限公司 | A kind of loop circuit heat pipe heat conducting element |
| CN110049265A (en) * | 2019-05-14 | 2019-07-23 | 常州恒创热管理有限公司 | A kind of production method and phase-change heat part of radiating piece |
| CN112503984A (en) * | 2019-09-15 | 2021-03-16 | 上海巽科节能科技有限公司 | a miniature capillary circuit |
| CN113566629A (en) * | 2021-07-24 | 2021-10-29 | 东莞市合众导热科技有限公司 | Preparation process of sintered capillary heat pipe |
-
2014
- 2014-10-24 CN CN201420621427.9U patent/CN204177257U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052449A (en) * | 2016-07-29 | 2016-10-26 | 苏州聚力电机有限公司 | Parallel combining connecting part end cover closing structure of loop type heat pipe |
| CN106091770A (en) * | 2016-07-29 | 2016-11-09 | 苏州聚力电机有限公司 | The vacuum heat-conduction body of tool end face strengthening effect |
| CN106091761A (en) * | 2016-07-29 | 2016-11-09 | 苏州聚力电机有限公司 | A kind of loop type heat pipe and organize connecting portion end cap enclosed construction |
| CN106197107A (en) * | 2016-07-29 | 2016-12-07 | 苏州聚力电机有限公司 | A kind of vacuum heat-conduction body having end face strengthening effect and preparation method thereof |
| CN106246589A (en) * | 2016-08-08 | 2016-12-21 | 洛阳轴研科技股份有限公司 | A kind of bearing Special heat dissipating cover for seat |
| CN106288894A (en) * | 2016-08-10 | 2017-01-04 | 清华大学 | A kind of supercritical fluid heat pipe |
| CN107238306A (en) * | 2017-05-18 | 2017-10-10 | 苏州鲁卡斯金属科技有限公司 | A kind of loop circuit heat pipe heat conducting element |
| CN110049265A (en) * | 2019-05-14 | 2019-07-23 | 常州恒创热管理有限公司 | A kind of production method and phase-change heat part of radiating piece |
| CN110049265B (en) * | 2019-05-14 | 2022-03-04 | 常州恒创热管理有限公司 | Manufacturing method of heat dissipation member and phase-change heat dissipation member |
| CN112503984A (en) * | 2019-09-15 | 2021-03-16 | 上海巽科节能科技有限公司 | a miniature capillary circuit |
| CN113566629A (en) * | 2021-07-24 | 2021-10-29 | 东莞市合众导热科技有限公司 | Preparation process of sintered capillary heat pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150225 Termination date: 20191024 |