CN103776288A - Pulsating heat pipe - Google Patents
Pulsating heat pipe Download PDFInfo
- Publication number
- CN103776288A CN103776288A CN201410017681.2A CN201410017681A CN103776288A CN 103776288 A CN103776288 A CN 103776288A CN 201410017681 A CN201410017681 A CN 201410017681A CN 103776288 A CN103776288 A CN 103776288A
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- China
- Prior art keywords
- heat pipe
- pipe
- heat
- condenser
- evaporimeter
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000002086 nanomaterial Substances 0.000 claims description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 10
- 230000001360 synchronised effect Effects 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract 1
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- AYKOTYRPPUMHMT-UHFFFAOYSA-N silver;hydrate Chemical compound O.[Ag] AYKOTYRPPUMHMT-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention relates to a pulsating heat pipe, which comprises a heat pipe, a condenser and an evaporator, wherein the heat pipe is a spiral pipeline which is formed by connecting a plurality of U-shaped hollow pipes, a heat pipe medium is injected into the heat pipe, the interior of the heat pipe is provided with an air plug and an liquid plug through the heat pipe medium and the air, the air plug and the liquid plug are different in intervals and lengths, and the condensers or the evaporators are positioned at the two ends of the heat pipe and the condenser or the evaporator is positioned at the middle of the heat pipe. When the two condensers are respectively positioned at the two ends of the heat pipe, the evaporator is positioned in the middle of the heat pipe. When the two evaporators are respectively positioned at the two ends of the heat pipe, the condenser is positioned in the middle of the heat pipe. The pulsating heat pipe has the advantages that the one-position heating and two- position cooling function or two- position heating and one- position cooling function is realized; by injecting the heat pipe medium of special material into the heat pipe, the heat conduction efficiency is improved, so the synchronous temperature lowering or temperature equalizing effect is realized, the heat conduction is quick, and the structure is simple.
Description
Technical field
The present invention relates to the hot pipe technique field of mass-and heat-transfer, be specifically related to the pulsating heat pipe of a kind of double evaporators or double-condenser.
Background technology
Pulsating heat pipe (Pulsating Heat pipe) is called oscillating heat pipe (eillating Heat Pipe), proposed the nineties in 20th century by Japanese scholars H.Akachi, it is a kind of simple in structure but two phase flow Thermal Conduction Equipment of complicated mechanism, conventionally formed by capillary bending and winding, pipeline vacuumizes and charges the working media of partial volume, due to surface tension effects, in capillary, can form the state of the random distribution that steam binding is alternate with liquid plug.When one end of pulsating heat pipe (evaporator section) heating, the other end (condensation segment) is cooling, and heat will be by managing mobile transmission of biphase oscillation of interior working media, and its heat-transfer effect is tens times of conventional heat pipe.
At present, on market, pulsating heat pipe is generally one end and makees evaporimeter, condenser is made in one end in addition, its structural limitations heat radiation range of application, in some particular surroundings, each high-power product needed reaches the heat radiation requirement of synchronous cooling and isothermal, and pulsating heat pipe can't make each different capacity product reach the effect of synchronous cooling and isothermal at present, and such device manufacturing process is not only complicated loaded down with trivial details, be also difficult to meet the function of many places heat radiation or many places condensation simultaneously.Simultaneously, due to the place one's entire reliance upon capacity of heat transmission of inside heat pipe heat-pipe medium of the capacity of heat transmission of pulsating heat pipe, and common heat-pipe medium has water, ethanol, acetone etc. at present, radiating effect is not rapid, thereby restricting heat pipe heat exchanging efficiency, therefore how not only rapidly but also can point many places synchronously dispel the heat or the heat pipe of condensation is current pulsating heat pipe technical field problem demanding prompt solution.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art, the pulsating heat pipe of a kind of blending agent and double evaporators or double-condenser is proposed, can realize a place heats cooling or two places of two places and heats the cooling function in a place, be filled into heat pipe the inside by the heat-pipe medium of special substance and can improve heat transfer efficiency, thereby reach the effect of synchronous cooling or isothermal, heat conduction is rapid and simple in structure.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of pulsating heat pipe, comprise heat pipe, condenser and evaporimeter, described heat pipe is the snakelike pipeline that multistage U-shaped hollow pipe connects into, in described heat pipe, be provided with the heat-pipe medium encapsulating under 1KPa～50KPa pressure, the liquid filled ratio of described heat-pipe medium is 45%～70%, and described heat-pipe medium and gas form interval, length vent plug and liquid plug not etc. in described heat pipe;
Described condenser and evaporimeter are positioned in the end positions of described heat pipe or on centre position, when described condenser is two and while laying respectively in the end positions of described heat pipe, described evaporimeter is positioned on the centre position of described heat pipe, when described evaporimeter is two and while laying respectively in the end positions of described heat pipe, described condenser is positioned on the centre position of described heat pipe, is adiabatic section between described condenser and evaporimeter.
The invention has the beneficial effects as follows: the pulsating heat pipe that proposes a kind of blending agent and double evaporators or double-condenser, can realize a place heats cooling or two places of two places and heats the cooling function in a place, thereby can reach the effect of synchronous cooling or isothermal, heat conduction is rapid and simple in structure.
On the basis of technique scheme, the present invention can also do following improvement.
Further technical scheme is that described heat-pipe medium is by the ZnO nano material of the CuO nano material of the carbon nanomaterial of 0.5wt%～3wt%, 0.5wt%～2wt%, 1wt%～1.6wt%, the Al of 0.02wt%～1.2wt%
2o
3the water of nano material and 92.2wt%～97.98wt% fully mixes the medium of composition.
The beneficial effect that adopts above-mentioned further scheme is can improve exchange capability of heat 19%～38% by the heat-pipe medium of nanometer composite material.
Further technical scheme is, the nanoscale of described carbon nanomaterial is 10nm～20nm, and the nanoscale of described CuO nano material is 20nm～50nm, and the nanoscale of described ZnO nano material is 1nm～50nm, described Al
2o
3the nanoscale of nano material is 30nm～50nm.
The beneficial effect that adopts above-mentioned further scheme is can mix with water more fully by the nano material of relevant nanometer yardstick, thereby improves exchange capability of heat.
Further technical scheme is, described condenser is the one in fan or fin, or described condenser is the combination of fan and fin, in the time that condenser is the combination of fan and fin, described fin connects described heat pipe, and described fan connects described fin.
The beneficial effect that adopts above-mentioned further scheme is by the composite construction of fan or fin or fan and radiating fin combination, can effectively play effect of condensation heat radiation.
Further technical scheme is that described evaporimeter is heat generating components.
Further technical scheme is that described heat pipe is closed circuit type copper pipe.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention possesses a kind of pulsating heat pipe of double evaporators;
Fig. 2 is the structural representation that the present invention possesses a kind of pulsating heat pipe of double-condenser.
In accompanying drawing, the list of parts of each label representative is as follows:
1, evaporimeter, 2, condenser, 3, heat pipe, 4, liquid plug, 5, vent plug.
The specific embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
A kind of pulsating heat pipe, comprise heat pipe 3, condenser 2 and evaporimeter 1, the snakelike pipeline that described heat pipe 3 connects into for multistage U-shaped hollow pipe, in described heat pipe 3, be provided with the heat-pipe medium encapsulating under 1KPa～50KPa pressure, the liquid filled ratio (percentage composition of heat-pipe medium in heat pipe) of described heat-pipe medium is 45%～70%, described heat-pipe medium and gas form interval in described heat pipe, vent plug 5 and liquid plug 4 that length does not wait, described gas is air, described heat-pipe medium is for comprising pure water, vegetable oil, the liquid of the raw material such as absolute ethyl alcohol and glycerine composition is (as adopted the raw material disclosing in following patented technology: heat pipe phase changing liquid, the patent No. is ZL03107804.4) or silver-water nano-fluid (as adopted the working medium disclosing in following patented technology: the parallel pulsating heat pipe take silver-water nano-fluid as working medium, the patent No. is ZL201110137496.3),
Described condenser 2 and evaporimeter 1 are positioned in the end positions of described heat pipe 3 or on centre position, when described condenser 2 is two and while laying respectively in the end positions of described heat pipe 3, described evaporimeter 1 is positioned on the centre position of described heat pipe 3, when described evaporimeter 1 is two and while laying respectively in the end positions of described heat pipe 3, described condenser 2 is positioned on the centre position of described heat pipe 3, is adiabatic section (preventing the fragment position that heat falls apart outward) between described condenser 2 and evaporimeter 1.
The carbon nanomaterial that the heat-pipe medium adopting in the present invention can be is 0.5wt%～3wt% by percentage by weight, the CuO nano material that percentage by weight is 0.5wt%～2wt%, the ZnO nano material that percentage by weight is 1wt%～1.6wt%, the Al that percentage by weight is 0.02wt%～1.2wt%
2o
3nano material and percentage by weight are the medium that the water of 92.2wt%～97.98wt% fully mixes composition, and described carbon nanomaterial, CuO nano material, ZnO nano material, Al
2o
3nano material is graininess.
The nanoscale of described carbon nanomaterial particle is 10nm～20nm, and the nanoscale of described CuO nano-grain is 20nm～50nm, and the nanoscale of described ZnO nano material particle is 1nm～50nm, described Al
2o
3the nanoscale of nano-grain is 30nm～50nm, thereby can mix with water more fully by the nano material of relevant nanometer yardstick, improves exchange capability of heat.
Heat-pipe medium performance indications are in table 1.
Table 1: heat-pipe medium performance indications in a kind of pulsating heat pipe
Described condenser 2 is to be the one in fan or fin, or described condenser is the combination of fan and fin, in the time that condenser is the combination of fan and fin, described fin connects described heat pipe, described fan connects described fin, thereby by the composite construction of fan or fin or fan and radiating fin combination, can effectively play effect of condensation heat radiation.Described evaporimeter 1 is heat generating components.
Described heat pipe 3 is closed circuit type copper pipe (end to end and be interconnected copper pipe).
Embodiment 1: as shown in Figure 1, when described evaporimeter 1 is two and while laying respectively in the end positions of described heat pipe 3, described condenser 2 is positioned on the centre position of described heat pipe 3, thereby in the time that two evaporimeters 1 are heated, heat pipe 3 is heated and produces the one end of shaking and moving to close condenser 2 near heat-pipe medium in one end of evaporimeter 1, and this heat-pipe medium after being heated derives heat by condenser, thereby the synchronous effect of lowering the temperature and can reach isothermal in two places that can simultaneously make evaporimeter two ends, there is many places heat concentrated cooling, the advantages such as compact conformation.
Embodiment 2: as shown in Figure 2, when described condenser 2 is two and while laying respectively in the end positions of described heat pipe 3, described evaporimeter 1 is positioned on the centre position of described heat pipe 3, thereby when evaporimeter 1 is heated, be heated and produce concussion and move to respectively the one end near two condensers 2 near the interior heat-pipe medium of heat pipe 3 of evaporimeter 1 end, make this heat-pipe medium derive heat by condenser, realize a place and heat the cooling function in two places, improved cooling efficiency.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a pulsating heat pipe, it is characterized in that, comprise heat pipe, condenser and evaporimeter, described heat pipe is the snakelike pipeline that multistage U-shaped hollow pipe connects into, in described heat pipe, be provided with the heat-pipe medium encapsulating under 1KPa～50KPa pressure, the liquid filled ratio of described heat-pipe medium is 45%～70%, and described heat-pipe medium and gas form interval, length vent plug and liquid plug not etc. in described heat pipe;
Described condenser and evaporimeter are positioned in the end positions of described heat pipe or on centre position, when described condenser is two and while laying respectively in the end positions of described heat pipe, described evaporimeter is positioned on the centre position of described heat pipe, when described evaporimeter is two and while laying respectively in the end positions of described heat pipe, described condenser is positioned on the centre position of described heat pipe, is adiabatic section between described condenser and evaporimeter.
2. a kind of pulsating heat pipe according to claim 1, is characterized in that, described heat-pipe medium is by the ZnO nano material of the CuO nano material of the carbon nanomaterial of 0.5wt%～3wt%, 0.5wt%～2wt%, 1wt%～1.6wt%, the Al of 0.02wt%～1.2wt%
2o
3the water of nano material and 92.2wt%～97.98wt% fully mixes the medium of composition.
3. a kind of pulsating heat pipe according to claim 2, it is characterized in that, the nanoscale of described carbon nanomaterial is 10nm～20nm, and the nanoscale of described CuO nano material is 20nm～50nm, the nanoscale of described ZnO nano material is 1nm～50nm, described Al
2o
3the nanoscale of nano material is 30nm～50nm.
4. a kind of pulsating heat pipe according to claim 1, is characterized in that, described condenser is the one in fan or fin, or described condenser is the combination of fan and fin.
5. a kind of pulsating heat pipe according to claim 1, is characterized in that, described evaporimeter is heat generating components.
6. according to the arbitrary described a kind of pulsating heat pipe of claim 1 to 5, it is characterized in that, described heat pipe is closed circuit type copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410017681.2A CN103776288B (en) | 2014-01-15 | 2014-01-15 | A kind of pulsating heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410017681.2A CN103776288B (en) | 2014-01-15 | 2014-01-15 | A kind of pulsating heat pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103776288A true CN103776288A (en) | 2014-05-07 |
| CN103776288B CN103776288B (en) | 2016-01-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410017681.2A Active CN103776288B (en) | 2014-01-15 | 2014-01-15 | A kind of pulsating heat pipe |
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| Country | Link |
|---|---|
| CN (1) | CN103776288B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104429410A (en) * | 2014-12-11 | 2015-03-25 | 中国航天空气动力技术研究院 | Grain depot cooling system based on pulsating heat pipe technology |
| CN105091643A (en) * | 2014-05-09 | 2015-11-25 | 财团法人工业技术研究院 | Pulse type multi-tube heat pipe |
| CN110133038A (en) * | 2019-05-14 | 2019-08-16 | 重庆大学 | A kind of oscillating heat pipe, state type test platform and heat exchange property evaluation method |
| CN110160812A (en) * | 2019-05-14 | 2019-08-23 | 重庆大学 | A kind of oscillating heat pipe, rotary test platform and heat exchange property evaluation method |
| CN110779363A (en) * | 2019-11-19 | 2020-02-11 | 大连理工大学 | Pulsating heat pipe with liquid metal micro-nano liquid drops as working media |
| CN113686183A (en) * | 2021-08-19 | 2021-11-23 | 兰州理工大学 | Miniature plate-type pulsating heat pipe radiator for enhancing condensation |
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| JP2004125382A (en) * | 2002-08-07 | 2004-04-22 | Denso Corp | Counter oscillation flow type heat transport device |
| US20050178529A1 (en) * | 2004-02-16 | 2005-08-18 | Osamu Suzuki | Cooling system or electronic apparatus, and electronic apparatus using the same |
| US20080117637A1 (en) * | 2006-11-17 | 2008-05-22 | Foxconn Technology Co., Ltd. | Led lamp cooling apparatus with pulsating heat pipe |
| CN101240985A (en) * | 2008-03-04 | 2008-08-13 | 淄博兰雁集团有限责任公司 | Hot pipe installed with nano material fluid working substance for textile |
| CN201438058U (en) * | 2009-06-30 | 2010-04-14 | 锘威科技(深圳)有限公司 | Pulsating heat pipe cooling module |
| CN201637149U (en) * | 2010-04-28 | 2010-11-17 | 长春工程学院 | Spiral pulsating heat pipe solar water heater |
| KR20120077355A (en) * | 2010-12-30 | 2012-07-10 | 주식회사 케이에스비 | Plate type heat pipe with multi channel |
-
2014
- 2014-01-15 CN CN201410017681.2A patent/CN103776288B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004125382A (en) * | 2002-08-07 | 2004-04-22 | Denso Corp | Counter oscillation flow type heat transport device |
| US20050178529A1 (en) * | 2004-02-16 | 2005-08-18 | Osamu Suzuki | Cooling system or electronic apparatus, and electronic apparatus using the same |
| US20080117637A1 (en) * | 2006-11-17 | 2008-05-22 | Foxconn Technology Co., Ltd. | Led lamp cooling apparatus with pulsating heat pipe |
| CN101240985A (en) * | 2008-03-04 | 2008-08-13 | 淄博兰雁集团有限责任公司 | Hot pipe installed with nano material fluid working substance for textile |
| CN201438058U (en) * | 2009-06-30 | 2010-04-14 | 锘威科技(深圳)有限公司 | Pulsating heat pipe cooling module |
| CN201637149U (en) * | 2010-04-28 | 2010-11-17 | 长春工程学院 | Spiral pulsating heat pipe solar water heater |
| KR20120077355A (en) * | 2010-12-30 | 2012-07-10 | 주식회사 케이에스비 | Plate type heat pipe with multi channel |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091643A (en) * | 2014-05-09 | 2015-11-25 | 财团法人工业技术研究院 | Pulse type multi-tube heat pipe |
| CN105091643B (en) * | 2014-05-09 | 2017-05-17 | 财团法人工业技术研究院 | Pulse type multi-tube heat pipe |
| CN104429410A (en) * | 2014-12-11 | 2015-03-25 | 中国航天空气动力技术研究院 | Grain depot cooling system based on pulsating heat pipe technology |
| CN110133038A (en) * | 2019-05-14 | 2019-08-16 | 重庆大学 | A kind of oscillating heat pipe, state type test platform and heat exchange property evaluation method |
| CN110160812A (en) * | 2019-05-14 | 2019-08-23 | 重庆大学 | A kind of oscillating heat pipe, rotary test platform and heat exchange property evaluation method |
| CN110779363A (en) * | 2019-11-19 | 2020-02-11 | 大连理工大学 | Pulsating heat pipe with liquid metal micro-nano liquid drops as working media |
| CN110779363B (en) * | 2019-11-19 | 2021-07-13 | 大连理工大学 | Pulsating heat pipe with liquid metal micro-nano liquid drops as working media |
| CN113686183A (en) * | 2021-08-19 | 2021-11-23 | 兰州理工大学 | Miniature plate-type pulsating heat pipe radiator for enhancing condensation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103776288B (en) | 2016-01-13 |
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Application publication date: 20140507 Assignee: Guilin Qunmei Technology Co.,Ltd. Assignor: GUILIN University OF ELECTRONIC TECHNOLOGY Contract record no.: X2023980044664 Denomination of invention: A pulsating heat pipe Granted publication date: 20160113 License type: Common License Record date: 20231031 |