CN1591278A - Phase change heat radiator - Google Patents
Phase change heat radiator Download PDFInfo
- Publication number
- CN1591278A CN1591278A CN 03155691 CN03155691A CN1591278A CN 1591278 A CN1591278 A CN 1591278A CN 03155691 CN03155691 CN 03155691 CN 03155691 A CN03155691 A CN 03155691A CN 1591278 A CN1591278 A CN 1591278A
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- heat
- reaction chamber
- exchange reaction
- liquid phase
- phase change
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Abstract
The present invention relates to a phase-changed heat-radiating equipment. It includes heat exchanger, vapour phase transmission pipe, heat exchange reaction chamber, storage channel and liquid phase transmission pipe. The heat exchange is coupled with a heat source, and utilizes phase change of a fluid to remove heat quantity produced by heat source. The fluid of vapour phase can be passed through the vapour phase transmission pipe and transferred into the heat exchange reaction chamber, and undergone the process of another heat exchange so as to remove heat quantity and make the vapour phase fluid be condensed into the fluid of liquid phase again. The fluid of vapour phase can be flowed into storage channel, and can be again used in heat exchanger to remove the heat quantity produced by heat source. Said phase-changed heat-radiating equipment also includes a fluid supply device with capillary structure, and can be used in a notebook computer.
Description
Technical field
The present invention relates to a kind of phase change heat abstractor, the employed phase change heat abstractor of particularly a kind of notebook computer.
Background technology
Along with the high development of Information technology and the application popularization of computer industry, portable apparatus, for example precision electronic device product such as notebook computer is used widely.The progress of making rapid progress in electronics technology is simultaneously pursued under the considering of portability and practicality, and present portable electronic product on the market generally all trends towards making light, thin, short, little, to meet the life style of modern society.Wherein, notebook computer is exactly a very typical example, because it has the power of handling a large amount of digital informations, and is subjected to liking and widespread use of society.
With respect to the improvement of the technology of integrated circuit, and the requirement of integrate circuit function specification raise day by day, the design of integrated circuit now has been that exquisiteness very is with complicated.(CentralProcessing Unit CPU) is example, because present user and various application software all have powerful demand to it, therefore causes its circuit layout to seem complicated many more in early days with central processing unit.Though the integrated circuit (IC) wafer of these central processing units provides many strong functions, yet some new problems have also been produced.For example, because the consumption of the huge electric energy that complex circuit design caused, and the electric energy of these consumption will produce a large amount of heat, causes the rising of chip temperature, and form the serious problem of the next item up of using.Above-mentioned this situation is especially serious for portable apparatus.Generally speaking, in order to make the maximum usefulness of notebook computer performance, it is very important that heat transmits fast, because when heat accumulation can't dissipate immediately in product inside, will make the electronic component can't operate as normal, even make whole computer system work as machine.
Traditional computer radiating apparatus is being handled central processing unit (Central Processing Unit; CPU) time, generally speaking, be to adopt fan directly to blow to the heat radiator of CPU top, heat is discharged computer inside, the design of this kind heat abstractor, though can solve the heat that a part of central processing unit produces, at present under the situation that the heat that central processing unit produced constantly promotes, only depend on the radiating efficiency of fan, the heat that is not enough to gradually central processing unit is produced is got rid of fully.Especially under the continuous situation about promoting of the wattage of fan, fan itself also produces suitable heat, makes radiating efficiency thereby reduction on the contrary, and the fan of high wattage also is accompanied by higher noise problem.
How to improve the radiating efficiency of computer, the radiating efficiency of notebook computer especially not only can reduce the energy of the required consumption of computer, can also effectively improve the stability of computation, for notebook computer fabricator and user looked forward to.
Summary of the invention
In above-mentioned background of invention, known computer radiating apparatus, and the heat that can't eliminate central processing unit fully and produced, when using the radiator fan of high wattage, not only consume higher energy, also produce the problem of noise, the heat that itself is produced also will promote simultaneously.Therefore, how effectively to provide a kind of high efficiency heat abstractor, effectively reduce the working temperature of central processing unit, not only can increase the degree of stability of computation, can also reduce the required energy of computation.
One of purpose of the present invention provides a kind of phase change heat abstractor, effectively improves the radiating efficiency of central processing unit.
Another object of the present invention provides a kind of phase change heat abstractor that is used in notebook computer, effectively reduces the operating temperature of notebook computer.
Another purpose of the present invention provides a kind of phase change heat abstractor, utilizes the circulation of phase change and gravity, under the situation that need not use power supply, removes the heat that a thermal source is produced, to obtain a suitable working temperature.
According to above-described purpose, the invention provides a kind of phase change heat abstractor.This phase change heat abstractor comprises a heat exchanger, a vapor transport pipe, a heat exchange reaction chamber, an accumulator tank, and a liquid phase transfer tube.Heat exchanger is coupled in a thermal source, and the heat that is used for thermal source is produced removes, and makes liquid phase heat delivered fluid after absorbing above-mentioned heat, and evaporation becomes vapour phase heat delivered fluid.This vapour phase heat delivered fluid via the vapor transport pipe, is sent to the heat exchange reaction chamber.In the heat exchange reaction chamber, above-mentioned vapour phase heat delivered fluid, via with the heat interchange in the external world, be condensed into original liquid phase heat delivered fluid, and the heat that thermal source produced removed.
Liquid phase heat delivered fluid utilizes natural gravity, can flow to accumulator tank via a slope that is installed on the heat exchange reaction chamber.These liquid phase heat delivered fluids are via the liquid phase transfer tube, also by a fluid supply machine with capillary structure, liquid phase heat delivered fluid are sent to heat exchanger, and evaporation becomes vapour phase heat delivered fluid again, so that the heat that thermal source was produced is taken away.
Wherein above-mentioned capillary structure comprises a wick structure, a tiny groove structure or a tiny eyed structure.And the heat exchange reaction chamber is a flat heat exchange reaction chamber or the heat exchange reaction chamber of a tubulose.
Another embodiment of the present invention is a kind of notebook computer with phase change heat abstractor.This notebook computer comprises, a LCD screen, a computer support, a central processing unit, a rotating shaft, and a phase change heat abstractor.Central processing unit is installed among the computer support, forms a thermal source, and the heat that the phase change heat abstractor then is used for this thermal source is produced removes.Wherein the heat exchanger of phase change heat abstractor is installed in the computer support, and the heat exchange reaction chamber, then is installed on the rear of LCD screen.Also utilize flexible tubing to be connected between the two, make the liquid phase screen of notebook computer be free to open and close, not only can not influence the work of notebook computer, can also utilize, and can not take the space of motherboard with the space in the existing computer support.
Therefore, the present invention not only can utilize natural force, removes the heat that thermal source produces, and can also utilize phase change to improve radiating efficiency, can need not fully to add under the situation of pump simultaneously, carries out noiseless heat radiation circulation.When the present invention is used in the electronic installations such as notebook computer, can also utilize the space of the existing heat abstractor of notebook computer, add the heat exchange reaction chamber that the LCD screen rear is installed,, also eliminate the noise that the notebook computer radiator fan is produced to reduce the temperature of central processing unit.
Description of drawings
For above-mentioned and other purposes of the present invention, feature and advantage can be become apparent, especially exemplified by preferred embodiment, and cooperate following accompanying drawing to do to be described in more detail, wherein:
Fig. 1 is the synoptic diagram of a preferred embodiment of phase change heat abstractor of the present invention.
Embodiment
The present invention is a kind of phase change heat abstractor, can effectively utilize the circulation of phase change and gravity, effectively heat is got rid of, not only can reduce the consumption of energy, can also provide a suitable working temperature, to increase the degree of stability of product operation, the life-span of improving product.Below will and describe in detail and clearly demonstrate spirit of the present invention with diagram, as those skilled in the art after understanding the preferred embodiments of the present invention, when can be by the technology of teachings of the present invention, change and modification, it does not break away from spirit of the present invention and scope.
Fig. 1 is the synoptic diagram of a preferred embodiment of phase change heat abstractor of the present invention.This embodiment is to be example with a notebook computer, and it comprises computer support 110 and LCD screen 120, and uses rotating shaft 160 to intercouple, and LCD screen 120 can be rotated at computer support 110.Phase change heat abstractor 140 of the present invention then is installed between the central processing unit 130 and LCD screen 140 of notebook computer, the latent heat (Latent Heat) that utilizes phase change to have changes, effectively absorb the heat that central processing unit 130 is produced, utilize the large-scale heat exchange reaction chamber 148 at LCD screen rear effectively heat to be got rid of again, the heat that central processing unit 130 is produced can remove rapidly via phase change heat abstractor 140 of the present invention.
Phase change heat abstractor 140 of the present invention comprises heat exchanger 142, vapor transport pipe 144, flexible tubing 146, heat exchange reaction chamber 148, accumulator tank 150, flexible tubing 152 and liquid phase transfer tube 154.Wherein, liquid phase transfer tube 154 also comprises fluid supply machine 156, it utilizes capillary action that liquid phase heat delivered fluid is sent among the heat exchanger 142 of central processing unit 130 tops, liquid phase heat delivered fluid is heated, and changes vapour phase heat delivered fluid into.At this moment, since the generation of phase change, a large amount of heat that central processing unit 130 is produced, and when being converted into vapour phase by liquid phase heat delivered fluid, required latent heat absorbs.Because liquid phase is converted into the required latent heat of vapour phase, much larger than the specific heat of known single-phase heat delivered fluid, therefore, 140 of phase change heat abstractors of the present invention can absorb heat with transmission also much larger than known heat abstractor.
After liquid phase heat delivered fluid is converted into vapour phase heat delivered fluid, also because the lighter proportion that vapour phase had, add after the heating of over-heat-exchanger 142, vapour phase heat delivered fluid is sent to the heat exchange reaction chamber 148 at LCD screen 120 rears via vapor transport pipe 144.Wherein, vapor transport pipe 144 of the present invention also has the structure of flexible tubing 146, and it enters the rear of LCD screen 120 along rotating shaft 160.Flexible tubing 146 is rotated with crooked for a kind of, and it is poor to bear external and internal pressure, and can not produce obvious expansion or the force pipe of deformation such as dwindle, and for example is air-pressure tube or the like.Flexible tubing 146 enters the rear of LCD screen 120 along rotating shaft 160, and it can be via the center of rotating shaft 160, and perhaps parallel with rotating shaft 160 mode enters the rear of LCD screen 120, and it does not all break away from spirit of the present invention.
Arrive the vapour phase heat delivered fluid of heat exchange reaction chamber 148, utilize the large-scale heat exchange reaction chamber 148 at the rear of LCD screen 120 to carry out heat interchange with extraneous air, because for heat exchanger 142, heat exchange reaction chamber 148 has sizable area of dissipation, therefore, liquid phase heat delivered fluid is got back in the very fast condensation of vapour phase heat delivered fluid, and stored latent heat effectively is disposed to the outside of notebook computer.
The large-scale area of dissipation that heat exchange reaction chamber 148 is had, can be constituted by a flat reaction chamber, the rear that also can utilize the staggered or reaction chamber that distributes of wriggling of tubulose to be arranged in LCD screen 120 constitutes, and for example is from top to bottom the make a circulation radiating tube that detours or the level radiating tube of arranged inclined downwards slightly from right to left.Phase change heat abstractor 140 of the present invention, can be appropriate to use the mounting means of any type of heat exchange reaction chamber 148, it focuses on having one and is big heat exchange area with respect to heat exchanger 142, gets rid of with the heat that effectively central processing unit 130 is produced.
Through condensed vapour phase heat delivered fluid, change back liquid phase heat delivered fluid this moment, and be stored in the accumulator tank 150, be these liquid phase heat delivered fluids of effective collection, heat exchange reaction chamber 148 is also designed a suitable slope, be positioned at the below of heat exchange reaction chamber 148, be beneficial to and collect liquid phase heat delivered fluid.Liquid phase heat delivered fluid is because the relation of dead weight, and with the below of spontaneous current to heat exchange reaction chamber 148, again through the design on slope thus, then can effectively to be stored groove 150 collected for liquid phase heat delivered fluid.
After accumulator tank 150 will be transformed into the heat delivered fluid collection of liquid phase, with the usefulness that provides heat exchanger 142 to carry out central processing unit 130 coolings again.Liquid phase heat delivered fluid in the accumulator tank 150, via liquid phase transfer tube 154 to be sent to heat exchanger 142.In rotating shaft 160 parts, liquid phase transfer tube 154 also comprises flexible tubing 152, so that the rear of liquid phase heat delivered fluid by LCD screen 120 is sent in the computer support 110, and flexible tubing 152 also can cooperate the rotation of rotating shaft 160 and produce rotation with crooked, and it is poor to bear external and internal pressure, and can not produce obvious expansion or the force pipe of deformation such as dwindle, for example be hydraulic tube or the like.Flexible tubing 152 enters computer support 110 along rotating shaft 160, and it can be via the center of rotating shaft 160, perhaps utilizes the mode parallel with rotating shaft 160 to enter in the computer support 110, and it does not all break away from spirit of the present invention.
Vapour phase heat delivered fluid, be sent to heat exchange reaction chamber 148 in the LCD screen 120 by the heat exchanger in the computer support 110 142, and liquid phase heat delivered fluid then is sent to heat exchanger 142 in the computer support 110 by the heat exchange reaction chamber 148 in the LCD screen 120.Therefore vapor transport pipe 144 generally can be selected the bigger force pipe of caliber, to carry out the transmission of the bigger vapour phase heat delivered fluid of volume compared to liquid phase transfer tube 154.
When liquid phase heat delivered fluid is sent to fluid supply machine 156, fluid supply machine 156 has a wick structure, on the one hand with liquid phase heat delivered absorption of fluids, then liquid phase heat delivered fluid is sent to heat exchanger 142 on the other hand, liquid phase heat delivered fluid is evaporated in heat exchanger 142, heat so that central processing unit 130 is produced is removed by the required latent heat of liquid phase heat delivered fluid evaporator.And in heat exchanger 142 and heat exchange reaction chamber 148 and vapor transport pipe 144, can also keep a lower working pressure, make liquid phase heat delivered fluid can under lower working temperature, promptly reach the required temperature of phase change.Fluid supply machine 156 mainly is a structure of utilizing a capillarity, liquid phase heat delivered fluid is sent to a side of heat exchanger 142, it can utilize as above-mentioned wick structure, tiny groove or eyed structure, or the sintered metal mesh porosint etc., effectively transmission liquid phase heat delivered fluid, and the lower working pressure in the maintaining heat interchanger 142.
In the selection of heat delivered fluid, can determine according to actual demand, for example be the fluid that methyl alcohol and water or the like can form phase change, all be appropriate to use at phase change heat abstractor 140 of the present invention.
Because phase change heat abstractor of the present invention is a principle of utilizing phase change, with the heat that thermal source produced, effectively shift and remove, also utilize the gravity circulation of nature, to pass liquid phase heat delivered fluid back to accumulator tank, utilize capillarity simultaneously, provide heat exchanger required heat delivered fluid automatically, also keep wherein required working pressure.Therefore, phase change heat abstractor of the present invention, can be under the situation of not having the pumping of adding (Pump) fully, utilize natural force to dispel the heat, and because effectively utilize the latent heat of phase change, so removable a large amount of heat, and under demands such as no additional power source, not only do not have the generation of fan noise, also can reduce the required energy of notebook computer.And because the volume of the required computer support that takies is little, thus can under the limited space of existing computer support, install, and be unlikely the space that takies motherboard.Phase change heat abstractor of the present invention, be used among the notebook computer when not limiting, the present invention also can be used in the computer of any pattern, also can be used among other the electronic equipment, only need each item of suitable arrangement phase change heat abstractor of the present invention, can be under the situation of no additional power source demand, the work of effectively dispelling the heat.
As understood by those skilled in the art, the above is the preferred embodiments of the present invention only, is not in order to limit claim of the present invention.All other do not break away from the equivalence of being finished under the disclosed spirit and changes or modification, all should be included in the appended claim.
Claims (20)
1. phase change heat abstractor comprises at least:
One heat exchanger, be coupled in a thermal source, so that the heat that this thermal source was produced is removed, wherein have a liquid phase heat delivered fluid and a vapour phase heat delivered fluid in this heat exchanger, behind the heat that this this thermal source of liquid phase heat delivered absorption of fluids is produced, be converted into this vapour phase heat delivered fluid;
One vapor transport pipe is connected in this heat exchanger, in order to transmit the vapour phase heat delivered fluid after this conversion;
One heat exchange reaction chamber is connected in this vapor transport pipe, and wherein this vapour phase heat delivered fluid via this vapor transport pipe, is sent to this heat exchange reaction chamber, cools off, to reply for this liquid phase heat delivered fluid, so that the heat that this thermal source was produced is removed;
One accumulator tank is connected in this heat exchange reaction chamber, and is positioned at this below, heat exchange reaction chamber, is used for receiving the liquid phase heat delivered fluid that this is cooled; And
One liquid phase transfer tube is connected between this accumulator tank and this heat exchanger, is sent to this heat exchanger with the liquid phase heat delivered fluid that this is cooled.
2. phase change heat abstractor as claimed in claim 1, wherein above-mentioned liquid phase transfer tube also comprises a fluid supply, so that this liquid phase heat delivered fluid is sent to this heat exchanger.
3. phase change heat abstractor as claimed in claim 2, wherein above-mentioned fluid supply machine also comprises a capillary structure.
4. phase change heat abstractor as claimed in claim 3, wherein above-mentioned capillary structure comprise a sintered type silk screen porous structure.
5. phase change heat abstractor as claimed in claim 3, wherein above-mentioned capillary structure comprise a tiny groove structure.
6. phase change heat abstractor as claimed in claim 3, wherein above-mentioned capillary structure comprise a tiny eyed structure.
7. phase change heat abstractor as claimed in claim 1, wherein this vapor transport pipe also has the structure of a flexible tubing, when making this vapor transport pipe be rotated with bending, can not produce deformation.
8. phase change heat abstractor as claimed in claim 1, wherein above-mentioned heat exchange reaction chamber are a flat heat exchange reaction chamber.
9. phase change heat abstractor as claimed in claim 1, wherein above-mentioned heat exchange reaction chamber are the heat exchange reaction chamber that a tubulose wriggles and distributes.
10. phase change heat abstractor as claimed in claim 1, wherein above-mentioned heat exchange reaction chamber also comprises a slope, to collect this liquid phase heat delivered fluid.
11. phase change heat abstractor as claimed in claim 1, wherein above-mentioned heat exchange reaction chamber is to use in the heat abstractor of the central processing unit of a notebook computer.
12. a phase change heat abstractor comprises at least:
One heat exchanger, be coupled in a thermal source, so that the heat that this thermal source was produced is removed, wherein have a liquid phase heat delivered fluid and a vapour phase heat delivered fluid in this heat exchanger, behind the heat that this this thermal source of liquid phase heat delivered absorption of fluids is produced, be converted into this vapour phase heat delivered fluid;
One vapor transport pipe is connected in this heat exchanger, in order to transmit the vapour phase heat delivered fluid after this conversion;
One heat exchange reaction chamber, be connected in this vapor transport pipe, wherein this heat exchange reaction chamber has a slope, and this vapour phase heat delivered fluid, via this vapor transport pipe, be sent to this heat exchange reaction chamber, cool off, to reply for this liquid phase heat delivered fluid, so that the heat that this thermal source was produced is removed;
One accumulator tank is connected in this slope of this heat exchange reaction chamber, and is positioned at this below, heat exchange reaction chamber, collects this liquid phase heat delivered fluid via this slope, and stores the liquid phase heat delivered fluid of this cooling;
One liquid phase transfer tube is connected in this accumulator tank; And
One fluid supply is connected between this liquid phase transfer tube and this heat exchanger, and wherein this fluid supply machine also comprises a capillary structure, and this liquid phase heat delivered fluid that is cooled is sent among this heat exchanger.
13. phase change heat abstractor as claimed in claim 12, wherein above-mentioned capillary structure comprise a capillary structure around eliminant.
14. phase change heat abstractor as claimed in claim 12, wherein above-mentioned capillary structure comprise a tiny groove structure.
15. phase change heat abstractor as claimed in claim 12, wherein above-mentioned heat exchange reaction chamber are a flat heat exchange reaction chamber.
16. phase change heat abstractor as claimed in claim 12, wherein above-mentioned heat exchange reaction chamber are the heat exchange reaction chamber that a tubulose wriggles and distributes.
17. the notebook computer with phase change heat abstractor comprises at least:
One LCD screen;
One computer support;
One central processing unit is installed among this computer support;
One rotating shaft connects this LCD screen and this computer support; And
One phase change heat abstractor, wherein this phase change heat abstractor also comprises:
One heat exchanger, be installed in this computer support, be coupled in this central processing unit, so that the heat that this central processing unit was produced is removed, wherein behind the heat that this central processing unit of liquid phase heat delivered absorption of fluids in this heat exchanger is produced, be converted into a vapour phase heat delivered fluid;
One vapor transport pipe is connected in this heat exchanger;
One first flexible tubing is connected in this vapor transport pipe, and is installed between this LCD screen and this computer support;
One heat exchange reaction chamber, be installed on the rear of this LCD screen, and be connected in this first flexible tubing, wherein this heat exchange reaction chamber has a slope, and this vapour phase heat delivered fluid, via this vapor transport pipe and this first flexible tubing, be sent to this heat exchange reaction chamber, cool off, be this liquid phase heat delivered fluid to reply, and the heat that this central processing unit produced is removed;
One accumulator tank is connected in this slope of this heat exchange reaction chamber, collects this liquid phase heat delivered fluid via this slope, and stores this liquid phase heat delivered fluid;
One liquid phase transfer tube is connected in this accumulator tank;
One second flexible tubing is connected in this liquid phase transfer tube, and is installed between this LCD screen and this computer support, and
One fluid supply is connected between this second flexible tubing and this heat exchanger, and wherein this fluid supply machine also comprises a capillary structure, and this liquid phase heat delivered fluid is delivered among this heat exchanger.
18. the notebook computer with phase change heat abstractor as claimed in claim 17, wherein above-mentioned capillary structure comprise that the group that a wick structure, a tiny groove structure, a tiny eyed structure and a sintered metal mesh porosint are constituted selects one and combination thereof.
19. the notebook computer with phase change heat abstractor as claimed in claim 17, wherein above-mentioned heat exchange reaction chamber are a flat heat exchange reaction chamber.
20. the notebook computer with phase change heat abstractor as claimed in claim 17, wherein above-mentioned heat exchange reaction chamber are the heat exchange reaction chamber that a tubulose wriggles and distributes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03155691 CN1591278A (en) | 2003-09-03 | 2003-09-03 | Phase change heat radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03155691 CN1591278A (en) | 2003-09-03 | 2003-09-03 | Phase change heat radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1591278A true CN1591278A (en) | 2005-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03155691 Pending CN1591278A (en) | 2003-09-03 | 2003-09-03 | Phase change heat radiator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100386587C (en) * | 2006-06-12 | 2008-05-07 | 北京科技大学 | Pump-free self-circulation non-vacuum split type gravity heat pipe |
| CN101901036A (en) * | 2010-07-02 | 2010-12-01 | 华南理工大学 | Heat dissipation device for notebook computer |
| CN103593026A (en) * | 2012-08-17 | 2014-02-19 | 双鸿科技股份有限公司 | Bi-phase variation circulation type water cooling module and method for applying same |
| CN104111711A (en) * | 2013-04-19 | 2014-10-22 | 微曜科技股份有限公司 | phase change heat dissipation system |
| CN105324003A (en) * | 2014-07-10 | 2016-02-10 | 双鸿科技股份有限公司 | Flip-type electronic device and pivoted heat radiation device thereof |
| CN107643815A (en) * | 2017-11-10 | 2018-01-30 | 山东超越数控电子股份有限公司 | A kind of fan-free laptop heat-dissipation system |
-
2003
- 2003-09-03 CN CN 03155691 patent/CN1591278A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100386587C (en) * | 2006-06-12 | 2008-05-07 | 北京科技大学 | Pump-free self-circulation non-vacuum split type gravity heat pipe |
| CN101901036A (en) * | 2010-07-02 | 2010-12-01 | 华南理工大学 | Heat dissipation device for notebook computer |
| CN103593026A (en) * | 2012-08-17 | 2014-02-19 | 双鸿科技股份有限公司 | Bi-phase variation circulation type water cooling module and method for applying same |
| CN104111711A (en) * | 2013-04-19 | 2014-10-22 | 微曜科技股份有限公司 | phase change heat dissipation system |
| CN105324003A (en) * | 2014-07-10 | 2016-02-10 | 双鸿科技股份有限公司 | Flip-type electronic device and pivoted heat radiation device thereof |
| CN105324003B (en) * | 2014-07-10 | 2017-12-12 | 双鸿科技股份有限公司 | Cover-lifting type electronic device and its pivoted heat abstractor |
| CN107643815A (en) * | 2017-11-10 | 2018-01-30 | 山东超越数控电子股份有限公司 | A kind of fan-free laptop heat-dissipation system |
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