CN202329326U - Thin type heat pipe structure - Google Patents
Thin type heat pipe structure Download PDFInfo
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- CN202329326U CN202329326U CN2011204624345U CN201120462434U CN202329326U CN 202329326 U CN202329326 U CN 202329326U CN 2011204624345 U CN2011204624345 U CN 2011204624345U CN 201120462434 U CN201120462434 U CN 201120462434U CN 202329326 U CN202329326 U CN 202329326U
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Abstract
The utility model relates to a thin type heat pipe structure, which comprises a pipe body and at least one capillarity structure, wherein a first cavity and a second cavity communicated with the first cavity are respectively arranged in the evaporation end and the condensing end of the pipe body, the space of the first cavity is smaller than the space of the second cavity, and the capillarity structure is arranged in the first cavity and the second cavity and simultaneously defines at least one passage with the first cavity and the second cavity. Through the structure and method design, the effects of reducing the pressure impedance and improving the steam-liquid circulation can be reached.
Description
Technical field
The utility model is relevant for a kind of slim heat pipe structure, refers to especially a kind ofly have the minimizing pressure resistance, and then effectively promotes the slim heat pipe structure of vapour-liquid cycle efficieny.
Background technology
Heat pipe, the pyroconductivity on it is apparent are about several times to tens times of metals such as copper, aluminium and suitable excellence is applied to various hot countermeasure correlation machines as cooling with element.From shape, heat pipe can be divided into the heat pipe of round tube shape, the heat pipe of flat shape.For the part to be cooled of the e-machine that cools off CPU etc., in part to be cooled and can obtain the viewpoint of broad contact area, should use planar heat pipe to dispel the heat based on easy mounting.Along with miniaturization, the save spaceization of cooling body,, necessity of the utmost point slimming of being strict with this heat pipe is more arranged, so the dealer just develops a kind of slim heat pipe (being flat plate heat tube) in the situation of the cooling body that uses heat pipe.
So, known slim inside heat pipe is provided with the stream that the space is used as working fluid, and is contained in the working fluid in the space, again via the phase change of evaporation, condensation etc. with move etc., and carries out the transfer of heat, uses the effect that reaches heat conduction.
And slim heat pipe is gone up through in a hollow tube, inserting metal dust in making; And the mode of this metal dust through sintering formed a capillary structure layer in this hollow tube inwall; Thereafter this hollow tube is vacuumized and insert working fluid, sealing is at last flattened to achieve slim heat pipe structure.
Though known slim heat pipe can reach purpose of thinness; But extend another problem, because it is the caliber of the evaporation ends of slim heat pipe and condensation end is identical, relative also the same with space size in the condensation end in evaporation ends; So that this evaporation ends and condensation end in the space pressure difference very nearly the same; Evaporation ends steam state working fluid in it can't be flowed to the condensation of condensation end place rapidly and convert liquid working fluid into, and then also can influence liquid working fluid and be back to the speed of evaporation ends, therefore by capillary structure; Cause whole vapour-liquid circulating effect not good in order to do making, and the pressure resistance problem between can't improving in evaporation ends and the condensation end of slim heat pipe again.
In addition, when manufacturing upward bent slim heat pipe, the position that setting is originally decomposed or broken away from the easy embrittlement of then inner capillary sintered body meeting became defective products, so make the heat biography usefulness of this slim heat pipe significantly reduce.
The above, known technology has disadvantage:
1. the vapour-liquid cycle efficieny is not good;
2. heat-conducting effect is not good;
3. the pressure resistance problem between can't improving in evaporation ends and the condensation end of slim heat pipe.
Therefore, how to solve above-mentioned public problem and disappearance, the creator who is this case desires most ardently the direction place that research improves with the relevant manufacturer that is engaged in the industry.
The utility model content
For this reason, for effectively solving the above problems, the main purpose of the utility model provides a kind of slim heat pipe structure that promotes the vapour-liquid circulation and reduce pressure resistance that has.
The secondary objective of the utility model is providing a kind of slim heat pipe structure with excellent heat-conducting effect.
The secondary objective of the utility model is providing a kind of slim heat pipe structure forming method that promotes the vapour-liquid circulation and reduce pressure resistance that has.
The secondary objective of the utility model is providing a kind of slim heat pipe structure forming method with excellent heat-conducting effect.
For reaching above-mentioned purpose; The utility model provides a kind of slim heat pipe structure, comprises a body and at least one capillary structure, and this body has an evaporation ends and from the outward extending condensation end of this evaporation ends; Be respectively equipped with second chamber of one first chamber and this first chamber of connection in this evaporation ends and the condensation end; And the space of this first chamber is less than the space of this second chamber, and said capillary structure is located in this first and second chamber, and defines at least one passage jointly with said first and second chamber; Second chamber through this condensation end flow to condensation end greater than first chamber of evaporation ends rapidly effectively to impel the steam state working fluid in this evaporation ends, uses to reach to promote the vapour-liquid circulating effect, and then more can reduce the effect of pressure resistance.
The utility model provides a kind of slim heat pipe structure forming method in addition; At first provide one have one first chamber and one second chamber body and at least one capillary structure; Wherein the space of this first chamber is less than the space of second chamber, and when inserting this capillary structure in this first and second chamber, this body imposed machining; And then with the closed at both ends of said body, and extracting vacuum and fill working fluid simultaneously; By the design of the utility model the method, effectively reach the effect that promotes the vapour-liquid circulating effect and reduce pressure resistance in order to do making.
The utility model provides a kind of slim heat pipe structure forming method in addition; At first provide one have one first chamber and one second chamber body and at least one capillary structure; Wherein the space of this first chamber is less than the space of second chamber, and this capillary structure is inserted in this first and second chamber, and then with the closed at both ends of said body; And while extracting vacuum and filling working fluid, at last the body with sealing is imposed the machining operation; So, effectively reach the effect that promotes the vapour-liquid circulating effect and reduce pressure resistance in order to do making through the design of the utility model the method.
Particularly, the utility model provides a kind of slim heat pipe structure, comprising:
One body; Has an evaporation ends and from the outward extending condensation end of this evaporation ends; Be respectively equipped with second chamber of one first chamber and this first chamber of connection in this evaporation ends and the condensation end; Be filled with a working fluid in this first and second chamber, and the space of this first chamber is less than the space of this second chamber; And
At least one capillary structure is located in this first and second chamber, and itself and this first and second chamber defines at least one passage jointly.
Preferably, described slim heat pipe structure, said first and second chamber are provided with a first side wall, one second sidewall, one the 3rd sidewall and one the 4th sidewall jointly, and this first side wall is this second sidewall relatively, and the 3rd sidewall is the 4th sidewall relatively.
Preferably; Described slim heat pipe structure; Said capillary structure is provided with the 4th side of second side, one the 3rd side and opposite the 3rd side of one first side, opposite this first side, and this second side is sticked with the second relative sidewall mutually, the 3rd side and between should the 3rd sidewall, define a first passage; The 4th side and to defining a second channel between the 4th sidewall; And the first side wall in this first chamber is sticked on first side of correspondence, the first side wall in this second chamber with define a space between this first side relatively, this this first and second passage of space connection.
Preferably, described slim heat pipe structure, the space that the space of this first and second passage in said first chamber is defined less than first and second passage in this second chamber and space jointly.
Preferably, it is wherein arbitrary that described slim heat pipe structure, said capillary structure are chosen as mesh, fiber, sintered powder, mesh and sintered powder combination.
The utility model has a following advantage compared to known:
1. has the vapour-liquid of lifting cycle efficieny;
2. heat-conducting effect is good;
3. has the effect that reduces pressure resistance.
Description of drawings
Fig. 1 is the schematic perspective view of the preferred embodiment of the utility model;
Fig. 2 is the part section schematic perspective view of the preferred embodiment of the utility model;
Fig. 3 is the diagrammatic cross-sectional side elevation of the preferred embodiment of the utility model;
Fig. 4 is the section schematic top plan view of the preferred embodiment of the utility model;
Fig. 5 is the schematic flow sheet of the preferred embodiment of the utility model;
Fig. 6 is another schematic flow sheet of the preferred embodiment of the utility model.
[main element symbol description]
Slim heat pipe structure ... 1
Body ... 10
Evaporation ends ... 101
First chamber ... 1011
Condensation end ... 102
Second chamber ... 1021
The first side wall ... 1031
Second sidewall ... 1032
The 3rd sidewall ... 1033
The 4th sidewall ... 1034
Passage ... 105
First passage ... 1051
Second channel ... 1052
The space ... 106
Capillary structure ... 12
First side ... 121
Second side ... 122
The 3rd side ... 123
The 4th side ... 124
The specific embodiment
Characteristic on above-mentioned purpose of the utility model and structure thereof and the function will be explained according to appended graphic preferred embodiment.
The utility model is a kind of slim heat pipe structure, sees also Fig. 1, Fig. 2, Fig. 4 and shows, shows the combination and the partial cutaway schematic of the preferred embodiment of the utility model; This slim heat pipe structure 1 comprises a body 10 and at least one capillary structure 12; Wherein this body 10 has an evaporation ends 101 and from these evaporation ends 101 outward extending condensation ends 102; Be respectively equipped with one first chamber 1011 and one second chamber 1021 in this evaporation ends 101 and the condensation end 102, this first chamber 1011 is communicated with second chamber 1021, and its space is less than the space of this second chamber 1021; And be filled with a working fluid in this first and second chamber 1011,1021; Aforementioned working fluid is done the explanation expression in this preferable enforcement with pure water, but is not limited thereto, during the thought practical implementation; All fluids that also can be beneficial to evaporative heat loss are that inorganic compound, alcohols, ketone, liquid metal, cold coal, organic compound or its mixture are all the working fluid of being narrated, and close first Chen Ming.
In addition aforementioned first and second chamber 1011,1021 of person is provided with a first side wall 1031, one second sidewall 1032, one the 3rd sidewall 1033 and one the 4th sidewall 1034 jointly; These the first side wall 1031 relative these second sidewall, 1032, the three sidewalls, 1033 relative the 4th sidewalls 1034.
Moreover this evaporation ends 101 and a heater element are (like central processing unit, drawing wafer, north and south bridge wafer, performance element etc.; Not shown in the figures) be sticked mutually; It is in order to absorb the thermal source that this heater element produces; Make the liquid working fluid of first chamber 1011 of this evaporation ends 101 absorb thermal source and produce evaporation; To convert the steam state working fluid into; Wait that this steam state working fluid is cooled off to second chamber 1021 of condensation end 102 and after condensation converts liquid working fluid into, this liquid state working fluid continues the vapour-liquids circulation by first chamber 1011 that the capillary force of gravity or capillary structure 12 is back to evaporation ends 101, effectively to reach excellent radiating effect.
So pass through first chamber 1011 of second chamber 1021 of aforementioned condensation end 102 greater than evaporation ends 101; Use the pressure resistance in second chamber 1021 that reduces this condensation end 102; Let the steam state working fluid of first chamber, 1011 internal conversions of this evaporation ends 101; Suffered pressure resistance is less and can flow to rapidly on these condensation end 102 second chambers 1021; And the relative liquid working fluid that can order about fast in second chamber 1021 of condensation end 102 is back to first chamber 1011 of evaporation ends 101, effectively significantly to promote the vapour-liquid circulation and to reach the effect that reduces pressure resistance.
In addition; When the actual enforcement of the utility model; Aforementioned condensation end 102 can wear with a relative radiating fin group (not shown) or be sticked mutually; Can rapidly heat on the condensation end 102 externally be dispelled the heat through this radiating fin group, be condensed into the effect of liquid working fluid with effective acceleration steam state working fluid in condensation end 102 places.
Continuous consult Fig. 3, Fig. 4 shows, is aided with to consult the 2nd diagram, it is wherein arbitrary that aforementioned capillary structure 12 is chosen as mesh, fiber, sintered powder, mesh and sintered powder combination; And capillary structure 12 is located in this first and second chamber 1011,1021; And the effect that it has flow conductivity, more return flow line (channel) is provided and supports; And this capillary structure 12 defines at least one path 10 5 jointly with this first and second chamber 1011,1021; Capillary structure 12 in this preferable enforcement is arranged on the centre in this first and second chamber 1011,1021, does explanation to define two path 10s 5 respectively with this first and second chamber 1011,1021;
That is aforementioned capillary structure 12 is provided with the 4th side 124 of second side 122, one the 3rd side 123 and opposite the 3rd side 123 of one first side 121, opposite this first side 121; Aforementioned second side 122 is sticked with the second relative sidewall 1032 mutually; The 3rd side 123 and to defining a first passage 1051 between the 3rd sidewall 1033; The 4th side 124 and to defining a second channel 1052 between the 4th sidewall 1034; And the first side wall 1031 in this first chamber 1011 is sticked on first side 121 of correspondence; The first side wall 1031 in this second chamber 1021 and relative 121 of this first sides define a space 106, and this space 106 is communicated with these first and second path 10s 51,1052.
The space defined jointly less than first and second path 10 51,1052 in second chamber 1021 of this condensation end 102 and space 106, the space of first and second path 10 51,1052 in first chamber 1011 of aforementioned evaporation end 101 wherein; So make first and second path 10 51,1052 spaces in this second chamber 1021 broader by aforementioned interspace 106; Use the pressure resistance in second chamber 1021 that significantly reduces condensation end 102; And the steam state working fluids that help to order about in first chamber 1011 of evaporation ends 101 flow towards second chamber, 1021 directions rapidly, effectively to reach the effect that promotes vapour-liquid circulation and excellent heat radiation.
Moreover; When practical implementation; Aforementioned capillary structure 12 does not limit to the centre that is located in this first and second chamber 1011,1021; Also can select to be located on the 3rd sidewall 1033 that first and second chamber 1011,1021 is provided with jointly, or be located on the 4th sidewall 1034, or be located at the position between the 3rd sidewall 1033 and the 4th sidewall 1034; In addition; The user can be in advance according to the demand of width, conduction efficiency and the vapour-liquid cycle efficieny of body 10; Set the quantity of capillary structure 12 and path 10 5; Be arranged in this first and second chamber 1011,1021 like two capillary structures 12, and define three path 10s 5 jointly, close first Chen Ming with first and second chamber 1011,1021.
So second chamber 1021 of the condensation end 102 through the utility model light-emitting diode body 10 is greater than first chamber 1011 of evaporation ends 101; With the design that integrally combines with capillary structure 12; Make effectively to promote the vapour-liquid cycle efficieny reaching excellent radiating effect, and then more can reach the effect that reduces pressure resistance.
See also Fig. 5, show the slim heat pipe structure forming method steps flow chart sketch map of the utility model; And be aided with and consult Fig. 1～Fig. 4 in the lump, as shown in the figure, the slim heat pipe structure forming method of the utility model comprises the following steps:
(S1) provide one have one first chamber and one second chamber body and at least one capillary structure, and the space of this first chamber is less than the space of this second chamber;
Provide one have first chamber 1011 and second chamber 1021 body 10 and at least one capillary structure 12, and the space of evaporation ends 101 its interior first chambers 1011 of this body 10 is less than the space of condensation end 102 its interior second chambers 1021 of this body 10; It is wherein arbitrary that wherein this capillary structure 12 is chosen as mesh, fiber, sintered powder, mesh and sintered powder combination.
(S2) this capillary structure is inserted in this first and second chamber, and this body is imposed machining;
(S3) with the closed at both ends of this body, and extracting vacuum and fill working fluid simultaneously;
With the two ends of this body 10 (being said evaporation ends 101 and condensation end 102) sealing, and extracting vacuum simultaneously, and working fluid is packed in this first and second chamber 1011,1021.
So design through the utility model the method; Make and effectively use the pressure resistance in first chamber 1021 that reduces this condensation end 102; Steam state working fluid with in first chamber 1011 that effectively impels evaporation ends 101 can flow towards second chamber, 1021 directions rapidly; Therefore, get effectively to reach and reduce pressure resistance and promote the effect that vapour-liquid circulates, and then more can reach excellent radiating effect person.
See also Fig. 6, show another slim heat pipe structure forming method steps flow chart sketch map of the utility model; And be aided with and consult Fig. 1～Fig. 4 in the lump, as shown in the figure, the slim heat pipe structure forming method of the present invention comprises the following steps:
(S1) provide one have one first chamber and one second chamber body and at least one capillary structure, and the space of this first chamber is less than the space of this second chamber;
Provide one have first chamber 1011 and second chamber 1021 body 10 and at least one capillary structure 12, and the space of evaporation ends 101 its interior first chambers 1011 of this body 10 is less than the space of condensation end 102 its interior second chambers 1021 of this body 10; It is wherein arbitrary that wherein this capillary structure 12 is chosen as mesh, fiber, sintered powder, mesh and sintered powder combination.
(S2) this capillary structure is inserted in this first and second chamber;
(S3) with the closed at both ends of this body, and extracting vacuum and fill working fluid simultaneously;
With the two ends of this body 10 (being said evaporation ends 101 and condensation end 102) sealing, and extracting vacuum simultaneously, and working fluid is packed in this first and second chamber 1011,1021.
(S4) body with sealing is imposed the machining operation;
To aforementioned with sealing and in be filled with working fluid body 10 1 ends (being evaporation ends 101) to the other end (being condensation end 102) impose the machining operation, like punching press or the arbitrary mode of roll extrusion.
So design through the utility model the method; Make and effectively use the pressure resistance in second chamber 1021 that reduces this condensation end; Steam state working fluid with in first chamber 1011 that effectively impels evaporation ends 101 can flow towards second chamber, 1021 directions rapidly; Therefore, get effectively to reach and reduce pressure resistance and promote the effect that vapour-liquid circulates, and then more can reach excellent radiating effect person.
The above, the utility model has a following advantage compared to known:
1. has the vapour-liquid of lifting cycle efficieny;
2. heat-conducting effect is good;
3. has the effect that reduces pressure resistance.
Press, the above, appearance is the preferred embodiment of the utility model; Only the characteristic of the utility model is not limited thereto; Any those skilled in the art in the utility model field, can think easily and variation or modification, all should be encompassed in the claim of following the utility model.
Claims (5)
1. a slim heat pipe structure is characterized in that, comprising:
One body; Has an evaporation ends and from the outward extending condensation end of this evaporation ends; Be respectively equipped with second chamber of one first chamber and this first chamber of connection in this evaporation ends and the condensation end; Be filled with a working fluid in this first and second chamber, and the space of this first chamber is less than the space of this second chamber; And
At least one capillary structure is located in this first and second chamber, and itself and this first and second chamber defines at least one passage jointly.
2. slim heat pipe structure as claimed in claim 1; It is characterized in that; Said first and second chamber is provided with a first side wall, one second sidewall, one the 3rd sidewall and one the 4th sidewall jointly, and this first side wall is this second sidewall relatively, and the 3rd sidewall is the 4th sidewall relatively.
3. slim heat pipe structure as claimed in claim 2; It is characterized in that; Said capillary structure is provided with the 4th side of second side, one the 3rd side and opposite the 3rd side of one first side, opposite this first side, and this second side is sticked with the second relative sidewall mutually, the 3rd side and between should the 3rd sidewall, define a first passage; The 4th side and to defining a second channel between the 4th sidewall; And the first side wall in this first chamber is sticked on first side of correspondence, the first side wall in this second chamber with define a space between this first side relatively, this this first and second passage of space connection.
4. slim heat pipe structure as claimed in claim 3 is characterized in that, the space that the space of this first and second passage in said first chamber is defined less than first and second passage in this second chamber and space jointly.
5. slim heat pipe structure as claimed in claim 1 is characterized in that, it is wherein arbitrary that said capillary structure is chosen as mesh, fiber, sintered powder, mesh and sintered powder combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204624345U CN202329326U (en) | 2011-11-18 | 2011-11-18 | Thin type heat pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204624345U CN202329326U (en) | 2011-11-18 | 2011-11-18 | Thin type heat pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202329326U true CN202329326U (en) | 2012-07-11 |
Family
ID=46441307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204624345U Expired - Lifetime CN202329326U (en) | 2011-11-18 | 2011-11-18 | Thin type heat pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202329326U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123234A (en) * | 2011-11-18 | 2013-05-29 | 奇鋐科技股份有限公司 | Thin heat pipe structure and forming method thereof |
| US9476652B2 (en) | 2012-01-04 | 2016-10-25 | Asia Vital Components Co., Ltd. | Thin heat pipe structure having enlarged condensing section |
-
2011
- 2011-11-18 CN CN2011204624345U patent/CN202329326U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123234A (en) * | 2011-11-18 | 2013-05-29 | 奇鋐科技股份有限公司 | Thin heat pipe structure and forming method thereof |
| CN103123234B (en) * | 2011-11-18 | 2015-10-28 | 奇鋐科技股份有限公司 | Thin heat pipe structure and forming method thereof |
| US9476652B2 (en) | 2012-01-04 | 2016-10-25 | Asia Vital Components Co., Ltd. | Thin heat pipe structure having enlarged condensing section |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |