CN202836291U - Improved structure of heat pipe - Google Patents
Improved structure of heat pipe Download PDFInfo
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- CN202836291U CN202836291U CN 201220026702 CN201220026702U CN202836291U CN 202836291 U CN202836291 U CN 202836291U CN 201220026702 CN201220026702 CN 201220026702 CN 201220026702 U CN201220026702 U CN 201220026702U CN 202836291 U CN202836291 U CN 202836291U
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- capillary structure
- heat pipe
- chamber
- improved heat
- capillary
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Abstract
The utility model discloses an improved structure of a heat pipe, comprising a body having a cavity. The cavity is provided with a first side and a second side, which are respectively provided with a first capillary structure, a second capillary structure and a working fluid. The radial extension range of the first capillary structure is larger than or equal to half of the circumference of the inner wall of the cavity, and is larger than the radial extension range of the second capillary structure. The first capillary structure and the second capillary structure are connected to each other, and define at least one steam channel with the cavity. The improved structure of a heat pipe is advantageous in that heat transfer amount can be increased, and heat transfer efficiency can be greatly improved.
Description
Technical field:
The utility model relates to electronic device field, relates in particular to a kind of improved heat pipe structure that thermal resistance pressure significantly promotes the steam-condensate circulating of inside heat pipe and then increases hot transfer efficiency that reduces.
Background technology:
Microminaturization, high performance increasingly significant along with computer, intelligent electronic device and other electric equipments, this is representing and is being used for that its inner thermal transmission element and heat dissipation element are also identical to be needed to cooperate towards microminaturization and the design of slimming direction, uses the demand that meets the user.
Heat pipe is the splendid heat conducting element of a kind of heat transfer efficiency, and its hot transfer efficiency is to be better than about the metal several times such as copper and aluminium and even decades of times, therefore is used as the cooling element in various hot associate devices.
Heat pipe is with regard to shape, to distinguish heat pipe that heat pipe, sectional area that round tube shape is arranged be the D shape, flat-plate heat pipe etc., it mainly is the conduction that is used to thermal source in the cooling electronic apparatus, and owing to reach in order to make contact-making surface can obtain larger area for the ease of being mounted to the parts that are cooled, so described flat-plate heat pipe is widely used present stage, in addition along with miniaturization, the save space of cooling body, with heat pipe be used as heat conducting electronic equipment also identical a large amount of selection flat-plate heat pipe use.
And the conventional heat pipe structure has multiple manufacture method, for example in a hollow tube, insert metal dust, and the mode that this metal dust sees through sintering formed a capillary structure layer in this hollow tube inwall, this body vacuumized and insert the last tube sealing of working fluid thereafter, again or in described hollow tube, insert the reticulate body of metal material, this netted capillary structure know from experience launch and the outside extension of nature paste to this hollow tube inwall to form a capillary structure layer, this body vacuumized and insert the last tube sealing of working fluid thereafter, but now because of the small slimming demand of electronic equipment, it is plate to cause need that heat pipe is made into.
Though described this flat-plate heat pipe can reach the purpose of slimming, but extend another problem, because this flat-plate heat pipe is with metal powder sintered inner wall surface in the heat pipe caliber, making its sintered body get completely comprehensively is coated on the wall, when causing this flat-plate heat pipe pressurization, this flat-plate heat pipe inside is positioned at the capillary structure (being metal dust or the netted capillary structure body of sintering) that adds the pressure surface both sides and is vulnerable to squeeze and destroy, and then come off by the inwall of this flat-plate heat pipe, so make the heat of this thin type heat pipe pass that usefulness significantly reduces or person's anergy very; Though this flat-plate heat pipe can reach the thermal source conduction in addition, but since flat-plate heat pipe its after making slimming, because the purpose of thinning causes the capillary force of inner capillary structure not enough, cause working fluid to block steam channel, moreover, also because adding, the flat-plate heat pipe slimming manages the minimizing of inner flow passage area man-hour, so capillary force is reduced, cause the maximum heat handling capacity also to reduce, its main cause one is to cause the flat-plate heat pipe internal volume to reduce after the whole slimming of this flat-plate heat pipe, and another reason slimming causes the concavity rear enclosed to block this steam channel through the flat-plate heat pipe after flattening.
So for solving the aforementioned techniques defective, someone inserts a plug in this flat-plate heat pipe internal chamber, this plug is along axial formation one specific kerf, and by this otch and the formed space-filling metal dust of this chamber inner wall, and carry out sintering and form capillary structure, extract at last this plug, impose for the central part of chamber that this capillary structure is positioned at again and be processed into flat, the chamber inner wall flat is hot contacts with this for capillary structure, and the capillary structure both sides are provided with the space and use as steam channel and can obtain better steam channel impedance in this chamber, but because of the capillary cross section narrow and small, so capillary force is reduced, cause the antigravity thermal efficiency and hot transfer efficiency poor, then this shortcoming is the emphasis that the existing utmost point must improve.
Summary of the invention:
For addressing the above problem, the purpose of this utility model provides a kind of improved heat pipe structure that promotes heat conduction and hot transfer efficiency, and a kind of improved heat pipe structure that reduces antigravity usefulness also is provided in addition.
For achieving the above object, the utility model embodiment provides a kind of improved heat pipe structure, is to comprise: a body, have a chamber, and this chamber has one first side and one second side; Described first and second side is respectively equipped with one first capillary structure and one second capillary structure and a working fluid; Described the first capillary structure radially expanded range more than or equal to half of this chamber inner wall circumference, and simultaneously greater than this second capillary structure expanded range radially; And described the first capillary structure one side and this second capillary structure are to interlink, and jointly define at least one steam channel with this chamber.
By the improved heat pipe structure of the utility model embodiment, can significantly promote the antigravity usefulness of inside heat pipe, and then promote the steam-condensate circulating efficient of working fluid, so compared with prior art, the utlity model has following advantages:
1. unit are can be born larger thermal power impact;
2. can promote the maximum heat transfer efficiency;
3. the antigravity ability is excellent;
4. interface resistance is little.
Description of drawings:
Fig. 1 is the stereogram of improved heat pipe structure the first embodiment of the present utility model;
Fig. 2 is the A-A cutaway view of improved heat pipe structure the first embodiment of the present utility model;
Fig. 3 is the cutaway view of improved heat pipe structure the second embodiment of the present utility model;
Fig. 4 is the cutaway view of improved heat pipe structure the 3rd embodiment of the present utility model;
Fig. 5 is the cutaway view of improved heat pipe structure the 4th embodiment of the present utility model;
Fig. 6 is the cutaway view of improved heat pipe structure the 5th embodiment of the present utility model;
Fig. 7 is the improved application embodiment stereogram of heat pipe structure of the present utility model;
Fig. 8 is the improved application embodiment cutaway view of heat pipe structure of the present utility model.
The specific embodiment:
Characteristic on above-mentioned purpose of the present utility model and structure thereof and the function will be further described according to following specific embodiments and the drawings:
See also Fig. 1, Fig. 2, be stereogram and the A-A cutaway view of improved heat pipe structure the first embodiment of the present utility model, as shown in the figure, described improved heat pipe structure is to comprise: a body 1;
Described body 1 has a chamber 11, this chamber 11 has one first side 111 and one second side 112, described first, two sides 111,112 are respectively equipped with one first capillary structure 1111 and one second capillary structure 1121 and a working fluid 2, described the first capillary structure 1111 radially expanded range greater than and or equal half of this chamber 11 inwall circumference, and simultaneously greater than this second capillary structure 1121 expanded range radially, and described the first capillary structure 1,111 one sides and this second capillary structure 1121 interlink, and jointly define at least one steam channel 113 with this chamber 11.
Described first and second capillary structure 1111, the 1121st, for agglomerated powder opisthosoma and grid body and corpus fibrosum and cellular structure body wherein any, present embodiment is with the agglomerated powder opisthosoma as an illustration, is not limited but do not regard it as; Described chamber 11 is into hydraulically smooth surface.
See also Fig. 3, cutaway view for improved heat pipe structure the second embodiment of the present utility model, as shown in the figure, the present embodiment part-structure is identical with aforementioned the first embodiment, so will repeat no more at this, only present embodiment and not existing together of aforementioned the first embodiment are that described the first capillary structure 1,111 one sides are extended with one first extension 1112, and described the first extension 1112 is to be connected with aforementioned the second capillary structure 1121.
See also Fig. 4, cutaway view for improved heat pipe structure the 3rd embodiment of the present utility model, as shown in the figure, the present embodiment part-structure is identical with aforementioned the first embodiment, so will repeat no more at this, only present embodiment and not existing together of aforementioned the first embodiment are that described the second capillary structure 1,121 one sides are extended with one second extension 1122, and described the second extension 1122 is to be connected with aforementioned the first capillary structure 1111.
See also Fig. 5, cutaway view for improved heat pipe structure the 4th embodiment of the present utility model, as shown in the figure, the present embodiment part-structure is identical with aforementioned the first embodiment, so will repeat no more at this, only present embodiment and not existing together of aforementioned the first embodiment are that described chamber 11 walls are provided with one the 3rd capillary structure 114, and this first, two capillary structures 1111,1121 are connected with the 3rd capillary structure 114, described the 3rd capillary structure 114 be for agglomerated powder opisthosoma and grid body and corpus fibrosum and groove wherein any, present embodiment is with groove as an illustration, is not limited but do not regard it as.
See also Fig. 6, cutaway view for improved heat pipe structure the 5th embodiment of the present utility model, as shown in the figure, the present embodiment part-structure is identical with aforementioned the first embodiment, so will repeat no more at this, only present embodiment and not existing together of aforementioned the first embodiment are that described chamber 11 walls have more a coating 3, described coating 3 is to be located at these chamber 11 walls and this first, two capillary structures 1111, between 1121, described coating 3 be chosen as a hydrophily coating and a hydrophobicity coating wherein any, or can drape over one's shoulders attached hydrophily coating and attached hydrophobicity coating is draped over one's shoulders in the part by the self-defined part of user.
See also Fig. 7, Fig. 8, Application Example solid and cutaway view for improved heat pipe structure of the present utility model, as shown in the figure, establish with 4 corresponding groups of at least one thermals source the first side 111 outsides of described body 1, described heat dissipation element 5 is other ends of being located at this body 1 opposite this thermal source 4, described heat dissipation element 5 be for radiator and radiating fin group and water cooling plant wherein any, present embodiment is with radiator as an illustration, is not limited but do not regard it as.
The first capillary structure 1111 overall volume of the body 1 of present embodiment are that the scope greater than the second capillary structure 1121 and its longitudinal extension is to surpass or just equal half of this chamber 11 tube wall circumference, described the first capillary structure 1111 is to be located at the first corresponding side 111 of this body 1 and this thermal source 4, this second capillary structure 1121 is to be arranged at second side 112 corresponding with this first side 111, the working fluid 2 of heat order in this first capillary structure 1111 that this thermal source 4 produces is subjected to thermal evaporation, working fluid 22 by liquid state is converted to the working fluid 21 of steam state to the second capillary structure 1121 diffusions of the second side 112 that is arranged at this body 1, the working fluid 21 of this steam state becomes liquid working fluid 22 in these the second side 112 cooling condensations, see through again gravity or the second capillary structure 1121 and be back to the first capillary structure 1111 continuation steam-condensate circulatings, because of working fluid 2 by steam state be converted to liquid state be see through this body 1 steam channel 113 by this first capillary structure 1111 to these second capillary structure, 1121 diffusions, because of the volume of described the second capillary structure 1121 less than this first capillary structure 1111, can reduce the pressure resistance of working fluid 21 when diffusion of this steam state, effectively increase the steam-condensate circulating efficient of working fluid 2, and effectively this heat is reached the long-range of this thermal source 4 and dispel the heat, make arround this thermal source 4 not accumulated heat, then not only can accelerate the radially heat conduction efficiency of this body 1, this body 1 axial heat conduction efficiency also can significantly promote.
The main element symbol description:
Body 1
The first side 111
The first capillary structure 1111
The first extension 1112
The second side 112
The second capillary structure 1121
The second extension 1122
Working fluid 2
The working fluid 21 of steam state
Liquid working fluid 22
Coating 3
Thermal source 4
Heat dissipation element 5
Claims (12)
1. an improved heat pipe structure is characterized in that, comprises:
A body has a chamber, and this chamber has one first side and one second side;
Described first and second side is respectively equipped with one first capillary structure and one second capillary structure and a working fluid; Described the first capillary structure radially expanded range greater than half of this chamber inner wall circumference, and simultaneously greater than this second capillary structure expanded range radially;
And described the first capillary structure one side and this second capillary structure interlink, and jointly define at least one steam channel with this chamber.
2. an improved heat pipe structure is characterized in that, comprises:
A body has a chamber, and this chamber has one first side and one second side;
Described first and second side is respectively equipped with one first capillary structure and one second capillary structure and a working fluid;
Described the first capillary structure radially expanded range equals half of this chamber inner wall circumference, and simultaneously greater than
This second capillary structure is expanded range radially;
And described the first capillary structure one side and this second capillary structure interlink, and jointly define with this chamber
At least one steam channel.
3. improved heat pipe structure as claimed in claim 1 or 2, it is characterized in that, the first side of wherein said chamber is outside establishes with corresponding group of at least one thermal source, heat dissipation element is the other end of being located at the opposite thermal source of described body, described heat dissipation element be for radiator and radiating fin group and water cooling plant wherein any.
4. improved heat pipe structure as claimed in claim 1 or 2 is characterized in that, wherein said first and second capillary structure be for agglomerated powder opisthosoma and grid body and corpus fibrosum and cellular structure body wherein any.
5. improved heat pipe structure as claimed in claim 1 or 2 is characterized in that, wherein said the first capillary structure one side is extended one first extension, and described the first extension is to be connected with aforementioned the second capillary structure.
6. improved heat pipe structure as claimed in claim 1 or 2 is characterized in that, wherein said the second capillary structure one side is extended one second extension, and described the second extension is to be connected with aforementioned the first capillary structure.
7. improved heat pipe structure as claimed in claim 1 or 2 is characterized in that, wherein said chamber is into hydraulically smooth surface.
8. improved heat pipe structure as claimed in claim 1 or 2 is characterized in that, wherein said chamber wall is provided with one the 3rd capillary structure, and this first and second capillary structure is connected with the 3rd capillary structure.
9. improved heat pipe structure as claimed in claim 8 is characterized in that, wherein said the 3rd capillary structure be for agglomerated powder opisthosoma and grid body and corpus fibrosum and groove and cellular structure body wherein any.
10. improved heat pipe structure as claimed in claim 1 is characterized in that, wherein said chamber wall has more a coating, and described coating is to be located between this chamber wall and this first and second capillary structure.
11. improved heat pipe structure as claimed in claim 10 is characterized in that, wherein said coating is to be a hydrophily coating.
12. improved heat pipe structure as claimed in claim 10 is characterized in that, wherein said coating is to be a hydrophobicity coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220026702 CN202836291U (en) | 2012-01-19 | 2012-01-19 | Improved structure of heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220026702 CN202836291U (en) | 2012-01-19 | 2012-01-19 | Improved structure of heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202836291U true CN202836291U (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220026702 Expired - Fee Related CN202836291U (en) | 2012-01-19 | 2012-01-19 | Improved structure of heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202836291U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217038A (en) * | 2012-01-19 | 2013-07-24 | 奇鋐科技股份有限公司 | Improved heat pipe structure |
| CN104735960A (en) * | 2015-02-20 | 2015-06-24 | 东莞市同迅金属科技有限公司 | Heat dissipation device |
| CN113566627A (en) * | 2021-06-23 | 2021-10-29 | 奇鋐科技股份有限公司 | Heat pipe structure |
-
2012
- 2012-01-19 CN CN 201220026702 patent/CN202836291U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217038A (en) * | 2012-01-19 | 2013-07-24 | 奇鋐科技股份有限公司 | Improved heat pipe structure |
| CN104735960A (en) * | 2015-02-20 | 2015-06-24 | 东莞市同迅金属科技有限公司 | Heat dissipation device |
| CN104735960B (en) * | 2015-02-20 | 2018-05-01 | 东莞市同迅金属科技有限公司 | A kind of radiator |
| CN113566627A (en) * | 2021-06-23 | 2021-10-29 | 奇鋐科技股份有限公司 | Heat pipe structure |
| CN113566627B (en) * | 2021-06-23 | 2023-04-11 | 奇鋐科技股份有限公司 | Heat pipe structure |
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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 |
Granted publication date: 20130327 Termination date: 20200119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |