CN101090621B - Loop heat sink module - Google Patents
Loop heat sink module Download PDFInfo
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- CN101090621B CN101090621B CN200610061183A CN200610061183A CN101090621B CN 101090621 B CN101090621 B CN 101090621B CN 200610061183 A CN200610061183 A CN 200610061183A CN 200610061183 A CN200610061183 A CN 200610061183A CN 101090621 B CN101090621 B CN 101090621B
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- base
- radiation module
- loop radiation
- radiator
- capillary structure
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Abstract
A loop radiation module includes a base and a radiator set on the base, in which, working medium and capillary structure are filled in the base, the radiator is set with a runner structure including asteam runner, a condensation runner and a condensed fluid runner, said capillary structure is connected with the steam runner and the condensed fluid runner to form a circulation loop between the base and the radiator to increase stability and reduce assemble cost.
Description
Technical field
The present invention relates to a kind of heat radiation module, particularly about a kind of loop radiation module that is used for electronic element radiating.
Background technology
Existing loop radiation module generally comprises the evaporation part that an inside is provided with capillary structure and is filled with working media, and one is equipped with the condensation part of radiating fin, and is connected in steam and the reflux line that constitutes circulation circuit between this evaporation part and the condensation part.
During work, the working media of the liquid state in the evaporation part absorbs the heat of vaporization that heater element produced, along steam pipeline move to the condensation part with heat transferred to radiating fin, finally be distributed to heat in the environment by radiating fin, working media because of the exothermic effects condensation, be back in the evaporation part along reflux line, enter circulation next time, thereby the heat that electronic component is produced distribute timely.
Yet continuous development along with electronic technology, the performance of heat radiation module also correspondingly requires to improve constantly, and to improve the radiating effect of this kind loop radiation module, the bore that then requires to increase the quantity of its connecting tube or increase pipeline, increase the heat output between evaporation part and condensation part whereby, to reach the purpose that improves this radiating effect.And a connecting tube has two interfaces need engage sealing usually, and so the interface quantity and the interface area of connecting tube will improve greatly, and the reliability of this heat radiation module sealing is reduced greatly.The connecting tube quantity of this kind loop radiation module is more simultaneously, and the location of these connecting tubes is difficulty comparatively, increases the assembling difficulty of this heat radiation module, makes the higher assembling production cost of this heat radiation module tool.
Summary of the invention
In view of this, be necessary to provide a kind of loop radiation module that improves reliability and have low assembly cost.
A kind of loop radiation module comprises that a base and is located at the radiator on this base, be filled with working media and capillary structure in this base, this radiator comprises a housing and is located at the interior some fins group of this housing, these fins group are arranged in two row separately, each row fins group is arranged along the direction perpendicular to base, form a steam flow channel between this two row fins group, form a condensate liquid runner respectively between the inboard on the limit, the left and right sides of this housing and this two row fins group, form a condensation runner between adjacent two fins group of each row fins group, described condensation runner is communicated with described steam flow channel with the condensate liquid runner, this capillary structure connects this steam flow channel and condensate liquid runner, forms the circulation circuit that flows for working media between base and radiator.
This loop radiation module is in its inner evaporation--condensing circuit that forms, and the evaporation and the condensate liquid runner that form to separate by structural design, simple in structure, need not external pipeline, heat radiation module bulk shape and performance performance are not limited by the moulding of pipeline, owing to there is not the serial connection of pipeline, significantly promote the reliability of heat radiation module sealing, effectively promote radiating efficiency, assembling simultaneously is simple, and assembly cost is lower.
Description of drawings
With reference to the accompanying drawings, in conjunction with the embodiments the present invention is further described.
Fig. 1 is the wherein decomposing schematic representation of an embodiment of loop radiation module of the present invention.
Fig. 2 is the decomposing schematic representation at another visual angle of loop radiation module shown in Figure 1.
Fig. 3 is that the base of Fig. 1 intermediate ring road formula heat radiation module is by the sectional axonometric drawing shown in the III-III cross section.
Fig. 4 is the assembling schematic diagram of loop radiation module shown in Figure 1.
Fig. 5 is that Fig. 4 intermediate ring road formula heat radiation module is by the profile shown in the V-V cross section.
Embodiment
As shown in Figure 1 to Figure 3, this loop radiation module comprises that a base 100, is located at radiator 200, a heat transfer plate 300, a capillary structure 400 and first sealing ring 500 and second sealing ring 600 on this base 100.
This radiator 200 is arranged at the top of base 100, this radiator 200 is respectively equipped with plurality of fixed hole 212,12 with base 100 in the two side ends that is in contact with one another, thus can be by retaining element 214 (shown in Figure 4) as screw etc. with these base 100 and radiator 200 interlockings.These base 100 other two relative sides are respectively equipped with some installing holes 13, this loop radiation module is fixed on the heater element (figure does not show).The bottom of this radiator 200 is outstanding slightly downwards, offers the rectangular cavity 11 of accommodating this bottom on this base 100, and the periphery of this rectangular cavity 11 forms first groove 14 of rectangle to accommodate first sealing ring 500 to lower recess on base 100.
These base 100 central authorities offer first circular groove 15, and form a square perforation 16 that runs through base 100 in this first circular groove 15 central authorities, are used for common ccontaining heat transfer plate 300.This heat transfer plate 300 is made as copper etc. by high heat conducting material.Heat transfer plate 300 rounded and stretch out from the bottom surface form one with the corresponding projections 32 of perforation 16 size shape (shown in Figure 2) of this base 100, this heat transfer plate 300 is placed in first circular groove 15 of base 100, and the projection 32 of heat transfer plate 300 is outwards passed to contact and to absorb the heat of its generation with heater element by the perforation 16 of base 100.Be respectively equipped with corresponding some connecting holes 34,17 on this heat transfer plate 300 and the base 100, thus can be by retaining element (scheming not show), as screw etc. heat transfer plate 300 is fixed on the base 100.This base 100 is formed with second groove 19 of rectangle with ccontaining second sealing ring 600 on the face of fitting with heat transfer plate 300.
This base 100 is offered a groove 18 between the rectangular cavity 11 and first circular groove 15, and this capillary structure 400 is set in this groove 18 and is filled with working media, as water, alcohol etc.This capillary structure 400 is the network structures that formed by wire or fibre bundle braiding, so that powerful capillary force to be provided.These groove 18 central authorities are for being positioned at second circular groove 181 of first circular groove, 15 tops, two side ends is respectively an elongate slot 183 that extends along the Width of base 100, and by the less neck 182 of two width second circular groove 181 is connected with the elongate slot 183 of both sides respectively.The size of this capillary structure 400 and shape are corresponding with groove 18, its middle part is provided with several perforates 41, the space that holds steam with formation, and the position at the neck 182 of respective slot 18 has the less neck 42 of corresponding two width equally, and the strip shape body 43 that is provided with of the elongate slot 183 of respective slot 18.When radiator 200 being installed on this base 100, except with the middle part perforate 41 corresponding zones of capillary structure 400, this groove 18 is filled up by capillary structure 400, thereby forms an evaporation chamber in groove 18 central authorities, and the two side ends at groove 18 forms two condensing chambers simultaneously.Because the neck 182 of groove 18 is filled up by the neck 42 of capillary structure 400, thereby make the central authorities of base 100 inner groovies 18 form different flow resistances, impel the working media of heat absorption evaporation mobile to the evaporation chamber of low flow resistance along the hole of capillary structure 400 with two side ends.
In the present embodiment, this base 100 is made by metal such as aluminium etc., be respectively equipped with some fin 20 in the both sides of its bottom surface, the position that this fin 20 is arranged on the condensing chamber place is the neck 182 and the elongate slot 183 of respective slot 18, evaporate chamber thereby make, prevent that steam is along the reverse flow of condensing chamber direction to the vapour condensation of condensing chamber reverse flow and along the hole flow direction of capillary structure 400.Certainly, in order to reduce manufacture difficulty and cost, this base 100 can also adopt the plastic production that is easy to be shaped, for example vinyon (PE), ABS plastic ejection formations such as (Acrylonitrile Butadiene Styrene).
Please be simultaneously with reference to Fig. 4 and Fig. 5, this radiator 200 comprises a housing 220, is provided with some fins group 230 in this housing 220 and forms the flow passage structure 250 that circulates for working media.Described fins group 230 is along lining up two row perpendicular to the direction of radiator 200 bottom surfaces, between this two row fins group 230, form one along the vertical steam flow channel 252 that extends perpendicular to radiator 200 bottom surface directions, simultaneously in the both sides of this vertical steam flow channel 252, promptly between two inboard and fins group 230 of this housing 220, also form a vertical condensate liquid runner 254 that is parallel to this vertical steam flow channel 252 respectively.The corresponding vertically steam flow channel 252 in the bottom surface of this radiator 200 has groove 210 (shown in Figure 2) respectively with vertical condensate liquid runner 254 places, so that when this radiator 200 was fixed on the base 100, described vertical steam flow channel 252 was connected with the evaporation chamber that is positioned at base 100 middle parts and the condensing chamber at two ends respectively with vertical condensate liquid runner 254.Along being parallel to radiator 200 bottom surface directions, also form a horizontal condensation runner 256 between the per two adjacent fins group 230, this horizontal condensation runner 256 is connected vertical steam flow channel 252 with vertical condensate liquid runner 254, promptly constitute described flow passage structure 250, thereby the groove of base 100 18 evaporates with the flow passage structure 250 common formation two of radiator 200--the circulation circuits of condensation.Each fins group 230 comprises some fins 232, form the air channel 234 of connection both sides, radiator 200 front and back between every adjacent two fins 232, the side that one radiator fan (figure do not show) can be installed in this loop radiation module provides forced draft, with auxiliary fin 232 heat is disseminated in the environment fast.
During assembling, at first base 100 and heat transfer plate 300 are fixed as one by retaining element such as screw etc., and second sealing ring 600 is set in second groove 19 of base 100 and between the binding face of base 100 and heat transfer plate 300, is coated with fluid sealant, with realization being tightly connected between the two.Then capillary structure 400 and working media are filled in the groove 18 of base 100, by retaining element 214 radiator 200 is fixed on the base 100 at last, and first sealing ring 500 is set so that both seal group are become one simultaneously between radiator 200 and base 100.These groove 18 upper ends are covered by the bottom surface of radiator 200, this base 100 promptly constitutes an integral body that seals with radiator 200, these groove 18 central authorities are the evaporation chamber, two side ends is respectively condensing chamber, this evaporation chamber is connected with vertical steam flow channel 252 of radiator 200, and this two condensing chamber is connected with vertical condensate liquid runner 254 of radiator 200 both sides respectively.Usually, this evaporation chamber and this condensing chamber are the states of being evacuated, so that working media such as water etc. can be realized evaporation at lower temperature.
During work, at first heat transfer plate 300 absorbs the working media in heat that heater elements produce and the groove 18 that the heat that absorbs is passed to quickly and evenly base 100, liquid working media heat absorption flashes to steam, because groove 18 is equipped with neck 182 with capillary structure 400 in both sides, 42 stop, therefore steam sees through capillary structure 400 from the evaporation chamber of base 100 and flows to condensing chamber and finally flow to the resistance of vertical condensate liquid runner 254 relatively large, simultaneously because base 100 bottom surface two side ends are provided with some fin 20, if steam is flowed by the condensing chamber of evaporation chamber towards both sides of base 100 central authorities, then can before entering the vertical condensate liquid runner 254 that is connected with condensing chamber, heat transferred be condensed into the working media of liquid state to fin 20, and the capillary force by capillary structure 400, be back to the evaporation chamber of base 100 central authorities, so vertical steam flow channel 252 that the steam of heat absorption evaporation will be connected along the evaporation chamber with base 100 central authorities upwards enters in the radiator 200, enter the horizontal condensation runner 256 of vertical steam flow channel 252 both sides then respectively, and carry out heat exchange with fins group 230 and heat finally is distributed in the environment.The vapour condensation that carries out after the heat exchange with fins group 230 is liquid working media, and be back to the condensing chamber of base 100 by vertical condensate liquid runner 254 of both sides, owing to be filled with capillary structure 400 in the groove 18 of base 100, the evaporation chamber that can provide capillary force to make condensed working media be back to base 100 fast enters circulation next time, constantly the heat that heater element was produced is taken away, safeguard the safe operation of heater element.
This loop radiation module is in its inner two evaporation--condensing circuits that form, and the evaporation and the condensation runner that form to separate by structural design, working media is evaporated inner realization of loop radiation module--the circulation of condensation, utilize working media to produce phase change and absorb the heat that fast and effeciently distributes thermal source with the huge latent heat of release and produced, promote the radiating efficiency of loop radiation module, this loop radiation module is in its inner circulation circuit that forms simultaneously, need not external pipeline, heat radiation module bulk shape and performance performance are not subject to the moulding restriction of pipeline, owing to there is not the serial connection of pipeline, significantly promote the reliability of heat radiation module sealing, and assembling is simple, and assembly cost is lower.
Claims (13)
1. loop radiation module, comprise that a base and is located at the radiator on this base, it is characterized in that: be filled with working media and capillary structure in this base, this radiator comprises a housing and is located at the interior some fins group of this housing, these fins group are arranged in two row separately, each row fins group is arranged along the direction perpendicular to base, form a steam flow channel between this two row fins group, form a condensate liquid runner respectively between the inboard on the limit, the left and right sides of this housing and this two row fins group, form a condensation runner between adjacent two fins group of each row fins group, described condensation runner is communicated with described steam flow channel with the condensate liquid runner, this capillary structure connects this steam flow channel and condensate liquid runner, forms the circulation circuit that flows for working media between base and radiator.
2. loop radiation module as claimed in claim 1 is characterized in that: be provided with a heat transfer plate that connects a heater element in this base.
3. loop radiation module as claimed in claim 2, it is characterized in that: this base is provided with a through hole, be formed with on this heat transfer plate and the corresponding projection of the perforation size shape of base, the projection of this heat transfer plate outwards passes to contact with this heater element from the through hole of base.
4. loop radiation module as claimed in claim 3 is characterized in that: this heat transfer plate is made of metal.
5. loop radiation module as claimed in claim 2 is characterized in that: be provided with a sealing ring between this base and the heat transfer plate sealing between base and the heat transfer plate.
6. loop radiation module as claimed in claim 1 is characterized in that: seal by a sealing ring between this radiator and the base.
7. loop radiation module as claimed in claim 1 is characterized in that: each fins group of this radiator comprises some fins, forms the air channel of these both sides, radiator front and back of a connection between adjacent two fins.
8. loop radiation module as claimed in claim 1, it is characterized in that: this base is recessed to form a groove downwards, this capillary structure is located in this groove, form an evaporation chamber and two condensing chambers that are interconnected in this groove, this evaporation chamber is connected with described vertical steam flow channel, and this two condensing chamber is connected with described two vertical condensate liquid runners respectively.
9. loop radiation module as claimed in claim 8 is characterized in that: the shape of this capillary structure and size are corresponding with this groove, and except the position of the above-mentioned evaporation chamber of correspondence is formed with the space that holds steam, this capillary structure fills up described groove.
10. loop radiation module as claimed in claim 8 is characterized in that: this base is made of metal, and the position corresponding to described condensing chamber on it is provided with some fin.
11. loop radiation module as claimed in claim 8 is characterized in that: be provided with a neck between described evaporation chamber and each condensing chamber, each condensing chamber is connected with this evaporation chamber by described neck.
12. loop radiation module as claimed in claim 8 is characterized in that: this capillary structure is provided with steam is held in several perforates with formation space in the position of correspondence evaporation chamber.
13. loop radiation module as claimed in claim 1 is characterized in that: this base is made by plastic shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610061183A CN101090621B (en) | 2006-06-16 | 2006-06-16 | Loop heat sink module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610061183A CN101090621B (en) | 2006-06-16 | 2006-06-16 | Loop heat sink module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101090621A CN101090621A (en) | 2007-12-19 |
| CN101090621B true CN101090621B (en) | 2010-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610061183A Expired - Fee Related CN101090621B (en) | 2006-06-16 | 2006-06-16 | Loop heat sink module |
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| Country | Link |
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| CN (1) | CN101090621B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101765352B (en) * | 2008-12-23 | 2013-04-24 | 富瑞精密组件（昆山）有限公司 | Flat type heat conducting pipe and heat radiating module using same |
| 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001244397A (en) * | 1999-12-20 | 2001-09-07 | Tetsuo Moriguchi | Cooler and cooling system |
| CN1403778A (en) * | 2001-09-06 | 2003-03-19 | 李嘉豪 | Plate loop heat pipe (II) |
| CN1403777A (en) * | 2001-09-06 | 2003-03-19 | 李嘉豪 | Plate loop heat pipe (I) |
| CN2569345Y (en) * | 2002-01-10 | 2003-08-27 | 财团法人工业技术研究院 | Loop type heat pipe structure |
| CN1629592A (en) * | 2003-12-19 | 2005-06-22 | 财团法人工业技术研究院 | Heat transfer enhancing structure for flat plate heat pipe |
| US6957692B1 (en) * | 2004-08-31 | 2005-10-25 | Inventec Corporation | Heat-dissipating device |
-
2006
- 2006-06-16 CN CN200610061183A patent/CN101090621B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001244397A (en) * | 1999-12-20 | 2001-09-07 | Tetsuo Moriguchi | Cooler and cooling system |
| CN1403778A (en) * | 2001-09-06 | 2003-03-19 | 李嘉豪 | Plate loop heat pipe (II) |
| CN1403777A (en) * | 2001-09-06 | 2003-03-19 | 李嘉豪 | Plate loop heat pipe (I) |
| CN2569345Y (en) * | 2002-01-10 | 2003-08-27 | 财团法人工业技术研究院 | Loop type heat pipe structure |
| CN1629592A (en) * | 2003-12-19 | 2005-06-22 | 财团法人工业技术研究院 | Heat transfer enhancing structure for flat plate heat pipe |
| US6957692B1 (en) * | 2004-08-31 | 2005-10-25 | Inventec Corporation | Heat-dissipating device |
Non-Patent Citations (1)
| Title |
|---|
| 全文. |
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| CN101090621A (en) | 2007-12-19 |
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