CN106839843A - Loop heat pipe structure - Google Patents
Loop heat pipe structure Download PDFInfo
- Publication number
- CN106839843A CN106839843A CN201710032697.4A CN201710032697A CN106839843A CN 106839843 A CN106839843 A CN 106839843A CN 201710032697 A CN201710032697 A CN 201710032697A CN 106839843 A CN106839843 A CN 106839843A
- Authority
- CN
- China
- Prior art keywords
- working fluid
- evaporation cavity
- heat pipe
- cavity
- 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.)
- Pending
Links
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
- F28D15/043—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 forming loops, e.g. capillary pumped loops
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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
A kind of loop heat pipe structure, comprising：One evaporation cavity, a body, a condensing unit；The evaporation cavity has an outlet and an entrance and an accommodation space, has a capillary structure and a compensated cavity and an at least steam channel, described steam channel one end and the outlet in the accommodation space；There is the body first end and one second end to be connected with the entry and exit of aforementioned evaporation cavity respectively, and it is outside between first and second end that second end is disposed adjacent condensing unit with the capillary structure；Setting the end of body second through the present invention can increase the backflow efficiency of working fluid close to the capillary structure.
Description
【Technical field】
A kind of loop heat pipe structure, espespecially a kind of loop heat pipe structure for lifting loop circuit heat pipe steam-condensate circulating efficiency.
【Background technology】
Existing electronic equipment is improved with efficiency, wherein as the electronic component that processes signal and computing it is relative also than before
Electronic component produces heat higher, the general heat dissipation element being most often used to include the elements such as heat pipe, radiator, temperature-uniforming plate,
And through heat dissipation is further increased after the electronic component contact of direct participant heating, prevent electronic component temperature too high and burn
The facts such as ruin.
Further also there is fan of the setting with forced heat radiation effect to carry out the heat dissipation element antipyretic, fan has really
There is the efficiency of heat radiation, but fan not all can be set in limited space, therefore space problem is also for one needs to consider it
One of emphasis.
Another this dealer provide it is a kind of with heat pipe steam-condensate circulating concept with an evaporation cavity combine a condensing unit and both
Between be attached by a body and then constitute the loop heat pipe structure of a loop module, its advantage voluntarily provides one has preferably steaming
Felt cold the heat abstractor of solidifying circulating effect, and the capillary structure for being available for hydraulic fluid to flow back storage is provided with the evaporation cavity, and
The capillary structure is provided with the plural groove for flow of vapor, and the main at least one side of evaporation cavity contacts conduction heat with pyrotoxin
Amount, and hydraulic fluid in the capillary structure of the evaporation cavity outwardly and through connection is somebody's turn to do by after thermal evaporation by the groove
Evaporation cavity flows to condensing unit with the body of condensing unit and spreads, and eventually passes after condensing unit condensation is in a liquid state and is back to
The evaporation cavity is continued cycling through.
Compensated cavity and steam core inside current plate evaporator（Capillary structure contains steam channel）Between relative position
It is equipped with two kinds, one kind is upper and lower settings that be superimposed, it is another then be horizontal positioned.
The known upper and lower lithographic plate formula evaporator being stacked its height, thickness are big, and being not appropriate for compact and installation space has
The place of limit.
The lithographic plate formula evaporator that another known level is set then is needed the compensated cavity of overlapped setting originally and steam core
Horizontal alignment setting is changed to, causes the working fluid of compensated cavity remote apart from the evaporating surface of steam core, have working fluid compensation not
And cause the problem of universe burning.
Therefore the lithographic plate formula evaporator missing how improved in above-mentioned known loop circuit heat pipe is then primary target.
【The content of the invention】
Therefore, it is the shortcoming of the above-mentioned known technology of solution, the main purpose of the present invention, there is provided one kind solves horizontally disposed lithographic plate
Formula evaporator operation fluid compensation is not as good as the loop heat pipe structure for causing the universe to burn.
It is that, up to above-mentioned purpose, the present invention provides a kind of loop heat pipe structure, comprising：It is one evaporation cavity, a body, one cold
Solidifying unit；
The evaporation cavity has an outlet and an entrance and an accommodation space, has a capillary structure and one in the accommodation space
Compensated cavity and an at least steam channel, described steam channel one end and the outlet；The body has a first end and one the
Two ends are connected with the entry and exit of aforementioned evaporation cavity respectively, and second end is adjacent with the capillary structure to be correspondingly arranged.
The condensing unit has plurality of radiating fins outside located at first and second end of the body.
Through by one end of the entrance of the evaporation cavity or body and the neighbouring setting of the capillary structure, this can be accelerated cold
The efficiency of the working fluid return after coagulating, working fluid compensation is too late in improving known evaporation cavity, causes the problem of dry combustion method.
【Brief description of the drawings】
Fig. 1 is the first embodiment three-dimensional exploded view of loop heat pipe structure of the present invention；
Fig. 2 is the first embodiment assembled sectional view of loop heat pipe structure of the present invention；
Fig. 3 is the second embodiment assembled sectional view of loop heat pipe structure of the present invention；
Fig. 4 is loop heat pipe structure illustrative view of the present invention.
Primary symbols explanation：
The fluid passage 116 of loop heat pipe structure 1
The body 12 of evaporation cavity 11
Export 111 first ends 121
The end 122 of entrance 112 second
The working fluid 2 of accommodation space 113
The working fluid 21 of the steam state of capillary structure 114
The working fluid 22 of the liquid of steam channel 1141
The thermal source 3 of compensated cavity 115
Condensing unit 13
Radiating fin 131.
【Specific embodiment】
Fig. 1,2 are referred to, is the first embodiment stereo decomposing and assembled sectional view of loop heat pipe structure of the present invention, such as figure institute
Show, loop heat pipe structure of the present invention 1, comprising：One evaporation cavity 11, a body 12, a condensing unit 13；
The evaporation cavity 11 is a flat evaporation cavity, with an outlet 111 and an entrance 112 and an accommodation space 113,
There is a capillary structure 114 and a compensated cavity 115 and an at least steam channel 1141, the steam leads in the accommodation space 113
The one end of road 1141 is connected with the outlet 111, and the entrance 112 and the outlet 111 are not needed to be arranged at the same side and can also set certainly
Not homonymy is placed in, the compensated cavity 115 is defined jointly by the accommodation space 113 with the capillary structure 114, the evaporation cavity 11 has more
There is an a housing 11a and base plate 11b, and correspondence is covered and constitutes the evaporation cavity 11, the compensated cavity 115 and the capillary structure
114 are correspondingly arranged in level.
Wall (base plate of the selection of the steam channel 1141 located at aforementioned evaporation cavity 11 with respect to the capillary structure 114
11b) or be arranged at the capillary structure 114 with respect to the evaporation cavity 11 side（The heating surface contacted with thermal source 3）Place wherein appoints
One, the present embodiment is being arranged at side of the capillary structure 114 relative to the evaporation cavity 11（The heating surface contacted with thermal source）
As explanation embodiment, but do not regard it as and be limited.
The capillary structure 114 is arranged in the accommodation space 113 of the evaporation cavity 11, and common with the accommodation space 113
It is same to define aforementioned backoff chamber 115, and the entrance 112 is correspondingly arranged with the outlet 111 and the capillary structure 114, the capillary structure
114 are arranged at the entrance 112 with the outlet 111 between the two, and the entrance 112 is relatively arranged on the outlet 111,
After representing that the working fluid 2 enters the evaporation cavity 11 by the entrance 112, and the capillary can be quickly fallen into because gravity is ordered about down
In structure 114, then the efficiency of the backflow of working fluid 2, and the capillary structure 114 absorption saturation of working fluid 2 can be further lifted
Afterwards, unnecessary working fluid 2 is then flowed into compensated cavity 115, and certain entry and exit 111,112 also can be set the contour or outlet
111 is higher than entrance 112, it is only necessary to which entrance 112 can be contacted directly with the capillary structure 114.
With more a fluid passage 116, the one end of fluid passage 116 is connected with the entrance 112, the fluid passage 116
Located at the side of capillary structure 114, and the fluid passage 116 is respectively correspondingly arranged in the capillary structure 114 with steam channel 1141
Upper and lower both sides.
The body 12 have a first end 121 and one second end 122 respectively with the entry and exit of aforementioned evaporation cavity 11
111st, 112 connection, second end 122 is disposed adjacent with the capillary structure 114.
The condensing unit 13 has plurality of radiating fins 131, and the radiating fin 131 string is placed on the of light-emitting diode body 12
First, between two ends 121,122.
The steam channel 1141 can mainly provide this and be diffused condensation cycle in the flowing of working fluid 21 of steam state.More
It is filled in aforementioned evaporation cavity 11 or the body 12 with a working fluid 2, the working fluid 2 has a steam state and a liquid
The kenel of state, the working fluid 21 of the steam state is circulated in the whole interior of loop heat pipe structure 1 with the gaseous working fluid 22.
The condensing unit 13 is arranged between first and second end 121,122 of the body 12, the condensing unit 13 select with
Plurality of radiating fins or plural number cooling body any of which are constituted.
The second embodiment assembled sectional view that Fig. 3 is loop heat pipe structure of the present invention is referred to, as illustrated, the present embodiment
Part-structure is identical with aforementioned first embodiment, therefore will not be described in great detail herein, and only the present embodiment is different from aforementioned first embodiment
Place be the entrance 111 with the outlet 112 adopt it is left and right be correspondingly arranged, that is, be arranged at the evaporation cavity not homonymy, and the pipe
Second end 122 of body 12 is extended into second end 122 after the evaporation cavity 11 by the entrance 111 and is set in the evaporation cavity 11
On being equipped with capillary structure 114, the working fluid 22 that order is in a liquid state is directly directed to the capillary structure 114, treats capillary structure
After the saturation of working fluid 22 that 114 absorption are in a liquid state, the working fluid 22 of unnecessary liquid is directed to compensated cavity 115 and is stored up
Deposit, thereby contribute to the liquid working fluid 22 can quick backflow enter in the capillary structure 114, and improve known capillary knot
The problems such as aqueous not enough universe of structure burns.
Fig. 4 is referred to, is loop heat pipe structure illustrative view of the present invention, as illustrated, loop heat pipe structure of the present invention 1
The main side of Pervaporation cavity 11（Thermal interface）Contact thermal source 3, and the evaporation cavity 11 correspondence contact 3 parts of thermal source are internal
The capillary structure 114 is correspondingly provided with, the capillary structure 114 is contained within the working fluid 22 being in a liquid state, when the evaporation cavity 11 connects
When touching the thermal source 3 and absorbing the heat produced by the thermal source 3, and the liquid after the capillary structure 114 of inside is heated contained by its inside
The working fluid 22 of state produces carburation by evaporation to diffuse out the capillary knot by the set steam channel 1141 of the capillary structure 114
Structure 114, and the outlet 111 of the evaporation cavity 11 is directly connected to because of the one end of steam channel 1141, the then working fluid of the steam state
21 from the outlet 111 directly to the external diffusion of evaporation cavity 11, the first end 121 through the body 12 is connected with the outlet 111,
The working fluid 21 of the steam state is made to enter the body 12, the working fluid 21 of the steam state is set via the body 12（String set）Have cold
The solidifying part of unit 13 is connected by the second end 122 of the body 12 with the entrance 112 of the evaporation cavity 11 again after carrying out cooling condensation
The guiding of working fluid 22 of the liquid is back in the evaporation cavity 11, the working fluid 22 of the liquid removes vapour-liquid phenomenon itself
Produced pressure differential and capillarity can be vectored back to flow to the China and foreign countries of capillary structure 114, more because the entrance 112 is correspondingly arranged
Increase to be fallen directly into through gravity on the capillary structure 114 and persistently carry out steam-condensate circulating in the capillary structure 114.
Also setting tool can be connect outside light-emitting diode body 12 any heat dissipation element of lifting condensation effect（Do not show in figure）And then can
Promote the efficiency of condensation.
The main evaporation cavity 11 that changes of the invention exports 111 and the corresponding relation between entrance 112 and capillary structure 114,
When gaseous working fluid 22 be back to evaporation cavity 11 mainly through capillary structure 114 used as steam core are first imported after,
The gaseous working fluid 22 for flowing back is directly arranged at the lower section of entrance 112 because of capillary structure, therefore initially enters capillary after backflow
Stored in structure 114, the working fluid 22 of unnecessary liquid just and then is stored in compensation after 114 water content saturation of capillary structure
In chamber 115, that is, solve known lithographic plate formula evaporator horizontal positioned and cause the working fluid 2 of compensated cavity to be produced too far apart from evaporating surface
The missing that the universe of life burns.
Claims (10)
1. a kind of loop heat pipe structure, it is characterised in that include：
One evaporation cavity, with an outlet and an entrance and an accommodation space, has a capillary structure and one in the accommodation space
Compensated cavity and an at least steam channel, described steam channel one end and the outlet；
One body, the entry and exit with a first end and one second end respectively with aforementioned evaporation cavity are connected；
One condensing unit, between first and second end of light-emitting diode body.
2. loop heat pipe structure according to claim 1, it is characterised in that the steam channel selection is located at aforementioned evaporation
Cavity with respect to the capillary structure wall or be arranged at the capillary structure with respect to evaporation cavity part any of which, and the steam
Passage end connection corresponding with the outlet.
3. loop heat pipe structure according to claim 1, it is characterised in that be filled in foregoing steaming with more a working fluid
In hair cavity or the body, the working fluid has the kenel of a steam state and a liquid, the working fluid of the steam state and the liquid
State working fluid is circulated in the loop heat pipe structure whole interior.
4. loop heat pipe structure according to claim 1, it is characterised in that the evaporation cavity has more a housing and a bottom
Plate and correspondence covers the configuration evaporation cavity.
5. loop heat pipe structure according to claim 1, it is characterised in that the outlet of the evaporation cavity and the entrance can
Selection is arranged at the evaporation cavity the same side or not the same side any of which.
6. loop heat pipe structure according to claim 1, it is characterised in that the outlet is arranged at the evaporation with the entrance
Cavity not homonymy, the second end of the body by the evaporation cavity entrance is into the accommodation space and extends to away from the compensated cavity
Side.
7. loop heat pipe structure according to claim 1, it is characterised in that the evaporation cavity contacts a thermal source and absorbs this
Heat produced by thermal source, the working fluid of its internal contained liquid produces carburation by evaporation by the hair after the capillary structure is heated
The set steam channel of fine texture diffuses out the capillary structure, and because the steam channel one end is directly connected to the evaporation cavity
Outlet, then the working fluid of the steam state from the outlet directly to the evaporation cavity external diffusion, through the body first end with
The outlet is connected, and makes the working fluid of the steam state enter the body, and the working fluid of the steam state is via body outside string set
Cooling unit connected with the entrance of the evaporation cavity by the second end of the body again after cooling is condensed into the working fluid of liquid
Connect and the guiding of the working fluid of the liquid is back in the evaporation cavity, and to extend into evaporation cavity direct due to second end
Extend to and locate on the capillary structure, make the working fluid of the liquid be directly directed to the capillary structure, treat that capillary structure is adsorbed
After the working fluid saturation being in a liquid state, the working fluid of unnecessary liquid is directed to compensated cavity and is stored, and thereby contributes to this
The working fluid of liquid can quick backflow enter the capillary structure in.
8. loop heat pipe structure according to claim 1, it is characterised in that the evaporation cavity is a flat evaporation cavity
Body, the compensated cavity is correspondingly arranged with the capillary structure in level.
9. loop heat pipe structure according to claim 1, it is characterised in that with more a fluid passage one end and the entrance
Connection, described fluid passage is located at the capillary structure side, and the fluid passage is respectively correspondingly arranged in the hair with steam channel
The upper and lower both sides of fine texture.
10. loop heat pipe structure according to claim 1, it is characterised in that the condensing unit selection is radiated with plural number
Fin or plural number cooling body any of which are constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710032697.4A CN106839843A (en) | 2017-01-16 | 2017-01-16 | Loop heat pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710032697.4A CN106839843A (en) | 2017-01-16 | 2017-01-16 | Loop heat pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106839843A true CN106839843A (en) | 2017-06-13 |
Family
ID=59124887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710032697.4A Pending CN106839843A (en) | 2017-01-16 | 2017-01-16 | Loop heat pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106839843A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107835617A (en) * | 2017-11-01 | 2018-03-23 | 深圳兴奇宏科技有限公司 | Loop heat pipe structure |
| CN109121355A (en) * | 2017-06-23 | 2019-01-01 | 泽鸿(广州)电子科技有限公司 | The electronic device of loop hot-pipe and the application loop hot-pipe |
| CN109387105A (en) * | 2017-08-03 | 2019-02-26 | 山东大学 | A kind of bar wing formula loop circuit heat pipe |
| CN109387104A (en) * | 2017-08-03 | 2019-02-26 | 山东大学 | A kind of loop circuit heat pipe |
| CN109405605A (en) * | 2017-08-18 | 2019-03-01 | 泽鸿(广州)电子科技有限公司 | Loop type heat pipe |
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| KR100671041B1 (en) * | 2005-11-16 | 2007-01-17 | 이석호 | Loop heatpipe |
| JP2008008511A (en) * | 2006-06-27 | 2008-01-17 | Fujikura Ltd | Loop-type heat pipe |
| CN101311662A (en) * | 2007-05-23 | 2008-11-26 | 财团法人工业技术研究院 | Flat type evaporator radiation system |
| CN101762194A (en) * | 2008-12-24 | 2010-06-30 | 富准精密工业(深圳)有限公司 | Evaporator and loop type heat pipe applying same |
| US20150114598A1 (en) * | 2013-10-25 | 2015-04-30 | Institute of Nuclear Energy Research, Atomic Energy Council, Executive Yuan, R.O.C. | Device of Downward Heat-Transfer Using Reverse Thermosiphon Loop |
| JP2015087089A (en) * | 2013-11-01 | 2015-05-07 | 富士通株式会社 | Loop-type heat pipe and electronic equipment |
| CN104930893A (en) * | 2015-05-29 | 2015-09-23 | 西安交通大学 | Ejector assisted slab-type loop heat pipe |
| CN206670422U (en) * | 2017-01-16 | 2017-11-24 | 奇鋐科技股份有限公司 | Loop heat pipe structure |
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| US20040206480A1 (en) * | 2001-08-09 | 2004-10-21 | Maydanik Yury Folyevich | Evaporation chamber for a loop heat pipe |
| KR100671041B1 (en) * | 2005-11-16 | 2007-01-17 | 이석호 | Loop heatpipe |
| JP2008008511A (en) * | 2006-06-27 | 2008-01-17 | Fujikura Ltd | Loop-type heat pipe |
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| US20150114598A1 (en) * | 2013-10-25 | 2015-04-30 | Institute of Nuclear Energy Research, Atomic Energy Council, Executive Yuan, R.O.C. | Device of Downward Heat-Transfer Using Reverse Thermosiphon Loop |
| JP2015087089A (en) * | 2013-11-01 | 2015-05-07 | 富士通株式会社 | Loop-type heat pipe and electronic equipment |
| CN104930893A (en) * | 2015-05-29 | 2015-09-23 | 西安交通大学 | Ejector assisted slab-type loop heat pipe |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109121355A (en) * | 2017-06-23 | 2019-01-01 | 泽鸿(广州)电子科技有限公司 | The electronic device of loop hot-pipe and the application loop hot-pipe |
| CN109387105A (en) * | 2017-08-03 | 2019-02-26 | 山东大学 | A kind of bar wing formula loop circuit heat pipe |
| CN109387104A (en) * | 2017-08-03 | 2019-02-26 | 山东大学 | A kind of loop circuit heat pipe |
| CN110822963A (en) * | 2017-08-03 | 2020-02-21 | 山东大学 | Design method for size of loop heat pipe fin |
| CN110822962A (en) * | 2017-08-03 | 2020-02-21 | 山东大学 | Design method for fin distance of loop heat pipe |
| CN111174612A (en) * | 2017-08-03 | 2020-05-19 | 山东大学 | Design method for distance between current stabilizers |
| CN110822962B (en) * | 2017-08-03 | 2021-05-07 | 山东大学 | Design method for fin distance of loop heat pipe |
| CN109405605A (en) * | 2017-08-18 | 2019-03-01 | 泽鸿(广州)电子科技有限公司 | Loop type heat pipe |
| CN109405605B (en) * | 2017-08-18 | 2024-05-03 | 泽鸿(广州)电子科技有限公司 | Loop type heat pipe |
| CN107835617A (en) * | 2017-11-01 | 2018-03-23 | 深圳兴奇宏科技有限公司 | Loop heat pipe structure |
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Application publication date: 20170613 |
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