CN100513974C - Hot pipe - Google Patents
Hot pipe Download PDFInfo
- Publication number
- CN100513974C CN100513974C CNB2006100607132A CN200610060713A CN100513974C CN 100513974 C CN100513974 C CN 100513974C CN B2006100607132 A CNB2006100607132 A CN B2006100607132A CN 200610060713 A CN200610060713 A CN 200610060713A CN 100513974 C CN100513974 C CN 100513974C
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- CN
- China
- Prior art keywords
- pipeline section
- heat pipe
- section
- formula
- capillary structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
This invention discloses a heat pipe, it includes the body of pipe where has a seal cavity and some working fluid. The inside of the pipe has capillary structure. The body of pipe consist the sealing first, second and third part in sequence. Among these parts, the first and third part is metal, the second is no-metal. It can save the cost of material because of the second part is no-metal, and the capillary structure and efficiency hole ratio can be easy to control, it improve the hole ratio and water, so it improves the function of the heat pipe.
Description
Technical field
The present invention relates to a kind of heat conducting device, be meant a kind of heat pipe especially.
Background technology
Heat pipe is little because of volume, utilize the latent heat of phase change effect carry fast a large amount of heat energy, uniformity of temperature profile, simple structure, in light weight, need not characteristics such as applied external force, life-span length, low thermal resistance, long distance transmission, therefore the demand that meets present heat elimination module of computer is widely used for solving heat dissipation problem.Its essential structure is that its central space then is empty state, and injects the working fluid that is equivalent to capillary structure layer hole total measurement (volume) in the airtight tubing that vacuumizes in the capillary structure layer of airtight pipe material inner wall lining with easy absorption working fluid.
Heat pipe can be divided into evaporator section, adiabatic section, cooling section three big sections according to function.In the evaporator section major function is the fast Absorption heat so that working fluid produces the phase change reaction and fast heat transferred to cooling section, therefore needs high hot biography rate material; Requiring in the cooling section major function is to transfer to heat in the atmosphere rapidly or on the radiator, therefore also require high hot biography rate material; And be back to evaporator section fast in its condensate liquid physical efficiency of adiabatic section major requirement, be that therefore an adiabatic section there is no specific limited for the material aspect simultaneously.
The drive principle of above-mentioned heat pipe is: the operate in saturation fluid in the capillary structure of evaporator section absorbs the heat of external heat source and evaporates, because the pressure reduction that steam produces makes the steam fast moving to cooling section.And steam cools off in the cooling section heat release and condenses into liquid.At this moment, condensing working fluid is absorbed in the capillary structure of cooling section and since cooling section through the adiabatic section to intercapillary pressure reduction of evaporator section, and return in cooling section.Moving and regression process circulation running of above-mentioned driving working fluid, thus evaporator section constantly through the adiabatic section to the transmission heat of cooling section continuation.
Present heat pipe industry uses the all-metal pipe fitting to be main body because of conventional process relation, but along with the different designs and the demand of computer industry, the heat pipe of various bendings flattening shapes constantly is applied in computer heat radiation system.Yet, flatten its heat transfer property of back often because of capillary structure distortion or come off and significantly reduce or inefficacy when heat pipe through bending, mainly be that capillary structure is seriously damaged and influences the Heat Transfer of Heat Pipe on Heat Pipe performance.Simultaneously, along with the copper product price rise steadily and the exploitation of two CPU has a strong impact on the utility ratio of heat pipe at IT industry, therefore if can reduce the production cost of heat pipe then heat pipe can be widely applied at cooling system.
Summary of the invention
In view of this, be necessary to provide the heat pipe that a kind of cost is low, performance is good.
A kind of heat pipe, comprise a body, has a sealed chamber in it, and inclosure has an amount of working fluid in the sealing chamber, this inboard wall of tube body is provided with capillary structure, this body comprises first pipeline section, second pipeline section and the 3rd pipeline section of seal combination in regular turn, and wherein this first pipeline section and the 3rd pipeline section are metal section, and this second pipeline section is nonmetal pipeline section.
Compared with prior art, above-mentioned heat pipe reduces by the every employed raw metal of heat pipe because second pipeline section is nonmetallic materials, saves material cost, and makes heat pipe weight saving; In addition, this second pipeline section is that nonmetallic materials constitute, and it helps and the environment thermal insulation; More, the capillary structure of this second pipeline section can be pre-formed also can control its effective drainage porosity and structural integrity in the processing procedure, improves porosity and water content, and then promotes properties of hot pipe.
With reference to the accompanying drawings, the invention will be further described in conjunction with the embodiments.
Description of drawings
Fig. 1 is the heat pipe longitdinal cross-section diagram of first embodiment of the invention.
Fig. 2 is the heat pipe longitdinal cross-section diagram of second embodiment of the invention.
Fig. 3 is the heat pipe fin type capillary structure schematic diagram of the embodiment of the invention.
Fig. 4 is the heat pipe projection formula capillary structure schematic diagram of the embodiment of the invention.
The specific embodiment
Seeing also Fig. 1, is the longitdinal cross-section diagram for the heat pipe of first embodiment of the invention.This heat pipe is seen from integral body and is comprised the body 100 that sealed chamber is arranged in, inner wall surface thereof is provided with capillary structure, space in the inboard central authorities of capillary structure then is a steam channel 300, and body 100 inner inclosures have an amount of working fluid (figure does not show) and can appropriateness be evacuated to certain vacuum.This body 100 can be divided into evaporator section 400, condensation segment 600 and the adiabatic section 500 between the two along the function of use of body length direction each section according to it.
This body 100 comprises first pipeline section 140 of corresponding evaporator section 400, second pipeline section 150 of corresponding adiabatic section 500 and the 3rd pipeline section 160 of corresponding cooling section 600, and above-mentioned three makes separately respectively after seal combination and form body 100; This first pipeline section 140 and the 3rd pipeline section 160 relate separately to heat absorption and heat sinking function, thus its material to select aluminium, copper or the contour heat conducting material of its alloy be main, this first pipeline section 140 and the level and smooth setting of the 3rd pipeline section 160 inwalls maybe can be provided with some little grooves; And second pipeline section 150 is mainly as the transmission of steam and the backflow of condensation working fluid, therefore selects nonmetallic materials such as the inorganic material such as macromolecular material, potteries such as plastics, resin, rubber, synthetic fibers of easy moulding or its composite material to make.
In the present embodiment, form sintered powder formula first capillary structure 240 and the 3rd capillary structure 260 respectively on this first pipeline section 140 and the 3rd pipeline section 160 inwalls, and the 3rd capillary structure 260 pore-sizes form plough groove type second capillary structure 250 greater than the pore-size of first capillary structure 240 on these second pipeline section, 150 inwalls.
Be appreciated that ground, this first capillary structure 240 and the 3rd capillary structure 260 also can be fiber formula, graticule mesh formula, cellular or its combined capillary structure, and that this second capillary structure 250 also can be is cellular, graticule mesh formula, fiber formula, fin type, projection formula or its combined capillary structure.Wherein, this fin type capillary structure is meant, as shown in Figure 3, and the some spaced fin 152 that extends axially in second pipeline section, 150 inwalls along body and protrude towards center line; This projection formula capillary structure is meant, as shown in Figure 4, protrudes some small projections 154 in second pipeline section, 150 internal faces to the body center line.
It is also understood that ground, can be pre-formed because second pipeline section is easy Modeling Material formation and its capillary structure, make capillary channel have the non-equal section structure that streamlined, ellipse, draw shape etc. help working fluid to flow thereby the inner surface of second pipeline section of present embodiment can form the bulge-structure of other each shape.
As seen from above-mentioned, the heat tube capillary structure of the embodiment of the invention can form by dual mode: the one,, after above-mentioned three pipeline sections combination, the common capillary structure that is provided with except need high-temperature process such as sintered powder formula on three's inwall; The 2nd,, above-mentioned three pipeline section inwalls are formed after the capillary structure three's seal combination respectively.
Because second pipeline section 150 is nonmetallic materials, reduces by the every employed raw metal of heat pipe, saves material cost, and make heat pipe weight saving; In addition, this second pipeline section 150 is made by easy Modeling Material, and capillary structure can be controlled its effective drainage porosity and structural integrity in the processing procedure in advance, improves porosity and water content, and then promotes properties of hot pipe; More, when this second pipeline section 150 was nonmetallic materials such as macromolecular material, it more helped performance and environment heat insulating function as the adiabatic section.
Please referring to Fig. 2, it is the heat pipe of another embodiment of the present invention, the main difference of itself and first embodiment is that second pipeline section 150 ' (adiabatic section 500 ') is done bending in various degree and formed non-linear shape according to actual needs, this moment this second pipeline section 150 ' can by pliability material (as macromolecular material) make and its capillary structure 250 ' integrally formed, thereby less to the capillary structure influence when carrying out bending.
Be appreciated that ground, above-mentioned three pipeline section profiles can be circular, square or other shape according to demand.
Claims (8)
1. heat pipe, comprise a body, has a sealed chamber in it, and inclosure has an amount of working fluid in the sealing chamber, this inboard wall of tube body is provided with capillary structure, it is characterized in that: this body comprises first pipeline section, second pipeline section and the 3rd pipeline section of seal combination in regular turn, and wherein this first pipeline section and the 3rd pipeline section are metal section, and this second pipeline section is nonmetal pipeline section.
2. heat pipe as claimed in claim 1 is characterized in that: three pipeline sections are divided into evaporator section, adiabatic section and condensation segment successively along the body length direction.
3. heat pipe as claimed in claim 1 or 2 is characterized in that: above-mentioned second pipeline section is that macromolecular material is made.
4. heat pipe as claimed in claim 3 is characterized in that: above-mentioned macromolecular material is one of plastics, resin, rubber, synthetic fibers or is plastics, resin, rubber, any composite of synthetic fibers.
5. heat pipe as claimed in claim 1 or 2 is characterized in that: the composite that above-mentioned second pipeline section is macromolecular material and inorganic material is made.
6. heat pipe as claimed in claim 1 is characterized in that: to should first pipeline section and the capillary structure of the 3rd pipeline section be plough groove type, sintered powder formula, fiber formula, graticule mesh formula, one of cellular or be plough groove type, sintered powder formula, fiber formula, graticule mesh formula, cellular any compound mode.
7. heat pipe as claimed in claim 1 is characterized in that: to capillary structure that should second pipeline section is plough groove type, fiber formula, graticule mesh formula, one of cellular or be plough groove type, fiber formula, graticule mesh formula, cellular any compound mode.
8. heat pipe as claimed in claim 3 is characterized in that: the inner surface of above-mentioned second pipeline section forms bulge-structure and makes capillary channel have the non-equal section structure of streamlined, ellipse or draw shape.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100607132A CN100513974C (en) | 2006-05-19 | 2006-05-19 | Hot pipe |
| US11/309,346 US20070267178A1 (en) | 2006-05-19 | 2006-07-28 | Heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100607132A CN100513974C (en) | 2006-05-19 | 2006-05-19 | Hot pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101074852A CN101074852A (en) | 2007-11-21 |
| CN100513974C true CN100513974C (en) | 2009-07-15 |
Family
ID=38710960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100607132A Expired - Fee Related CN100513974C (en) | 2006-05-19 | 2006-05-19 | Hot pipe |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20070267178A1 (en) |
| CN (1) | CN100513974C (en) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100480612C (en) * | 2006-04-28 | 2009-04-22 | 富准精密工业(深圳)有限公司 | Heat pipe |
| US7832462B2 (en) * | 2008-03-31 | 2010-11-16 | Alcatel-Lucent Usa Inc. | Thermal energy transfer device |
| TWI426859B (en) * | 2008-08-28 | 2014-02-11 | Delta Electronics Inc | Heat dissipation module, flat heat column thereof and manufacturing method for flat heat column |
| CN101726204B (en) * | 2008-10-16 | 2012-09-26 | 新光国际实业有限公司 | Heat conducting pipe |
| JP5309225B2 (en) * | 2009-01-06 | 2013-10-09 | マサチューセッツ インスティテュート オブ テクノロジー | Heat exchanger and related methods |
| TW201038899A (en) * | 2009-04-17 | 2010-11-01 | Young Bright Technology Corp | Heat pipe |
| US20110214841A1 (en) * | 2010-03-04 | 2011-09-08 | Kunshan Jue-Chung Electronics Co. | Flat heat pipe structure |
| CN102305564A (en) * | 2011-08-26 | 2012-01-04 | 华南理工大学 | Fiber sintering type micro heat pipe and manufacturing method thereof |
| TWM426988U (en) * | 2011-10-27 | 2012-04-11 | Cooler Master Co Ltd | Thin type heat pipe |
| TWI443294B (en) * | 2011-12-28 | 2014-07-01 | Ind Tech Res Inst | Heat take-out device |
| US9170058B2 (en) * | 2012-02-22 | 2015-10-27 | Asia Vital Components Co., Ltd. | Heat pipe heat dissipation structure |
| US20130306274A1 (en) * | 2012-05-15 | 2013-11-21 | Hsiu-Wei Yang | Heat dissipation structure for heat dissipation unit |
| US20130306275A1 (en) * | 2012-05-15 | 2013-11-21 | Hsiu-Wei Yang | Heat dissipation structure for heat dissipation device |
| TW201437592A (en) * | 2013-03-28 | 2014-10-01 | Quanta Comp Inc | Heat guiding module, heat pipe, and manufacturing method of heat pipe |
| US9421648B2 (en) * | 2013-10-31 | 2016-08-23 | Asia Vital Components Co., Ltd. | Manufacturing method of heat pipe structure |
| US11769919B2 (en) * | 2014-03-25 | 2023-09-26 | Teledyne Scientific & Imaging, Llc | Multi-functional high temperature structure for thermal management and prevention of explosion propagation |
| US11482744B2 (en) | 2014-03-25 | 2022-10-25 | Teledyne Scientific & Imaging, Llc | Multi-functional structure for thermal management and prevention of failure propagation |
| US11569537B2 (en) | 2014-03-25 | 2023-01-31 | Teledyne Scientific & Imaging, Llc | Multi-functional structure for thermal management and prevention of failure propagation |
| US20160010927A1 (en) * | 2014-07-14 | 2016-01-14 | Fujikura Ltd. | Heat transport device |
| CN105841535A (en) * | 2016-05-14 | 2016-08-10 | 广东工业大学 | Sectional composite-structure panel heat transfer tube and manufacture method thereof |
| US10594015B2 (en) * | 2017-05-31 | 2020-03-17 | Intel Corporation | Dual purpose heat pipe and antenna apparatus |
| CN111473669B (en) * | 2020-04-07 | 2021-03-16 | 西安交通大学 | Liquid metal high-temperature heat pipe |
| CN112129148A (en) * | 2020-09-24 | 2020-12-25 | 四川大学 | Sintered composite core heat pipe and preparation method thereof |
| JP6980081B1 (en) * | 2020-11-13 | 2021-12-15 | 古河電気工業株式会社 | heat pipe |
| CN114636337A (en) * | 2020-12-15 | 2022-06-17 | 全亿大科技（佛山）有限公司 | Heat pipe, and manufacturing method and device of heat pipe |
| CN114216354B (en) * | 2022-02-22 | 2022-05-13 | 北京高科宏烽电力技术有限公司 | Insulating heat pipe with compact anti-seepage fluororesin coating |
| CN115524362B (en) * | 2022-11-29 | 2023-03-10 | 中国科学院合肥物质科学研究院 | High-temperature heat pipe heat transfer capacity testing device |
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| US4489777A (en) * | 1982-01-21 | 1984-12-25 | Del Bagno Anthony C | Heat pipe having multiple integral wick structures |
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| US6880626B2 (en) * | 2002-08-28 | 2005-04-19 | Thermal Corp. | Vapor chamber with sintered grooved wick |
| US6868898B2 (en) * | 2003-03-26 | 2005-03-22 | Intel Corporation | Heat pipe having an inner retaining wall for wicking components |
| EP1657731B2 (en) * | 2004-11-16 | 2014-09-10 | ABB Research Ltd. | High voltage circuit breaker with cooling |
| US20060175044A1 (en) * | 2005-02-10 | 2006-08-10 | Chin-Wei Lee | Heat dissipating tube sintered with copper powders |
| TW200700686A (en) * | 2005-06-16 | 2007-01-01 | Yuh Cheng Chemical Co Ltd | Heat pipe |
| US20080192440A1 (en) * | 2007-02-14 | 2008-08-14 | Asustek Computer Inc. | Connection assembly |
-
2006
- 2006-05-19 CN CNB2006100607132A patent/CN100513974C/en not_active Expired - Fee Related
- 2006-07-28 US US11/309,346 patent/US20070267178A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3666005A (en) * | 1970-07-06 | 1972-05-30 | Robert David Moore Jr | Segmented heat pipe |
| US4489777A (en) * | 1982-01-21 | 1984-12-25 | Del Bagno Anthony C | Heat pipe having multiple integral wick structures |
| CN86210768U (en) * | 1986-12-16 | 1987-12-05 | 山东省新材料研究所 | Black ceramics heat pipe suitable for solar energy utilization apparatus |
| CN1621772A (en) * | 2003-11-27 | 2005-06-01 | 鸿富锦精密工业（深圳）有限公司 | Heat pipe and manufacturing method thereof |
| CN1725479A (en) * | 2004-07-21 | 2006-01-25 | 鸿富锦精密工业（深圳）有限公司 | A kind of heat pipe and manufacture method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101074852A (en) | 2007-11-21 |
| US20070267178A1 (en) | 2007-11-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20100519 |