CN104427824A - Heat dissipation device - Google Patents
Heat dissipation device Download PDFInfo
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- CN104427824A CN104427824A CN201310373774.4A CN201310373774A CN104427824A CN 104427824 A CN104427824 A CN 104427824A CN 201310373774 A CN201310373774 A CN 201310373774A CN 104427824 A CN104427824 A CN 104427824A
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- heat
- chamber
- lower house
- upper shell
- support cylinder
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Abstract
The invention relates to a heat dissipation device. The heat dissipation device includes a shell and a heat pipe; the shell comprises a chamber which accommodates a working fluid; a plurality of supporting columns and a plurality of fixing elements are arranged in the chamber; the heat pipe comprises a heat absorption area arranged in the chamber of the shell and is fixed by the plurality of fixing elements; a heat dissipation area extends from the heat absorption area and passes through the shell, and is arranged at the exterior of the chamber of the shell.
Description
Technical field
The present invention relates to a kind of heat abstractor, particularly relate to the heat abstractor of a kind of temperature-uniforming plate and heat pipe.
Background technology
With existing electronic equipment gradually using the frivolous demand as bragging about, therefore each item all must reduce its size thereupon, but the thermal change that the size of electronic equipment reduces with and produces becomes the major obstacle of electronic equipment and system enhancement performance.So industry is in order to effectively solve the element radiating problem in electronic equipment, just propose to there is heat conduction efficiency preferably temperature-uniforming plate (Vapor chamber) and heat pipe (Heat pipe), effectively to solve the heat dissipation problem of present stage respectively.
(Vapor chamber comprises the capillary structure of housing in square type shape and enclosure interior chamber wall thereof to temperature-uniforming plate, and this enclosure interior is filled with hydraulic fluid, and the side of this housing (i.e. evaporating area) is sticked at a heater element (as central processing unit, north and south bridge wafer, electric crystal etc.) the upper heat adsorbing this heater element and produce, liquid hydraulic fluid is made to be converted to steam state in the evaporating area generation evaporation of this housing, by heat conduction to the condensing zone of this housing, the hydraulic fluid of this steam state is condensed into liquid state after condensing zone is cooled, the hydraulic fluid of this liquid state is back to evaporating area by gravity or capillary structure again and continues steam-condensate circulating, effectively to reach the effect of temperature uniforming heat radiation.
The principle of heat pipe (Heat pipe) is identical with Theoretical Framework and temperature-uniforming plate, hollow space mainly in the heat pipe of pipe bore inserts metal dust, and formed the capillary structure of a ring-type in the inwall of this heat pipe by the mode of sintering, thereafter this heat pipe vacuumized and fill hydraulic fluid, finally closing to form heat pipe structure.When hydraulic fluid diffuses to this condensation end by evaporation part by after thermal evaporation, and this hydraulic fluid is steam state in this evaporation part, left when this condensation end backward spreads by this evaporation part and be progressively converted to liquid state by cooling condensation, and be back to this evaporation part by capillary structure again.
Relatively temperature-uniforming plate only has heat conducting mode different from heat pipe, and the heat exchange pattern of temperature-uniforming plate is two-dimentional, is the heat exchange pattern in face, but the heat exchange pattern of heat pipe is the heat exchange pattern of one dimension.
Moreover, although existing temperature-uniforming plate can reach the effect of samming, but extend another problem, namely the heat transfer type of temperature-uniforming plate is by after the attached heat of one side draught, by the phase change conduction opposite side of the hydraulic fluid in chamber, in other words, be exactly temperature-uniforming plate be only conduct to relative opposite side area so as to reaching even temperature effect by a lateral area heat of adsorption amount, but the heat transfer type that cannot have as heat pipe, the heat conduction of absorption can be dispelled the heat to far-end, therefore, temperature-uniforming plate is made to be only limitted to be applicable to the large-area uniform heat conduction of application, and be not suitable for bringing and be applied to far-end heat conduction.If heat cannot dispel the heat in good time, then easy accumulated heat is near pyrotoxin.
Therefore, current industry still needs to be improved present heat dissipation technology, to significantly promoting heat conducting efficiency, and effectively solves the heat dissipation problem of high power electronic element.
Summary of the invention
Therefore, for solving the shortcoming of above-mentioned prior art, main purpose of the present invention is, provides the heat abstractor of a kind of large area conduction heat sources and far-end heat radiation.
Another object of the present invention is to provide a kind of heat abstractor simultaneously utilizing One-dimensional heat transfer heat radiation and Two-Dimensional Heat Conduction heat radiation.
Another object of the present invention is to provide heat abstractor that a kind of temperature-uniforming plate is combined with heat pipe so as to promoting heat transfer and radiating efficiency.
Another object of the present invention is that a heat pipe runs through inside and outside the housing of a temperature-uniforming plate, and multiple retaining elements that the heat pipe being positioned at housing is arranged on housing are fixed, and does not directly contact the heat abstractor of housing.
For achieving the above object, the invention provides a kind of heat abstractor, comprising: a housing, comprise one first chamber and be provided with one first capillary structure and be installed with the first hydraulic fluid, multiple support cylinder and multiple retaining element are arranged in this first chamber; And a heat pipe, to be arranged in this first chamber and to run through this housing towards housing extension, this heat pipe comprises one second chamber and a heat absorption district extends a radiating area, wherein be provided with one second capillary structure in this second chamber and be installed with one second hydraulic fluid, this heat absorption district is positioned at first chamber of this housing, and fixed by the plurality of retaining element, this radiating area is positioned at outside the first chamber of this housing, and is exposed in the environment outside this housing.This housing comprises a upper shell and a lower house, and this upper shell comprises a side wall ring and is located at around this first chamber, and defines this first chamber of an open communication, and this lower house is to should lower house be arranged on this opening part and seal this first chamber; Wherein this first chamber is between this upper shell and lower house.
This lower house comprises one first side and one second side this first side contrary, and wherein the first side of this lower house is provided with this first capillary structure and contacts the hydraulic fluid in this first chamber, the surface of the hot producing component of the second side contacts one of this lower house; This sidewall is positioned at this first side.
This upper shell comprises contrary 3rd side in one the 3rd side and one the 4th side, and the 3rd side is positioned at this first chamber and is provided with this first capillary structure.
The plurality of support cylinder is arranged between the first side of this lower house and the 3rd side of this upper shell, to support this upper shell and this lower house.
In implementing one, the plurality of support cylinder is that heat-conducting metal is formed, and this heat-conducting metal comprises wherein arbitrary or its combination of gold, silver, copper and aluminium.
In another is implemented, the outer surface of the plurality of support cylinder forms one the 3rd capillary structure layer this support cylinder coated.
3rd capillary structure layer is combined into one via diffusion bond and this first capillary structure.
In other are implemented, the plurality of support cylinder is the concrete dynamic modulus cylinder that capillary structure is formed.
The plurality of retaining element is positioned at the first side of this lower house.
The plurality of retaining element has the heat absorption district that a free end contacts this heat pipe, with the heat absorption district of this heat pipe of fixed support in this first chamber.
The heat absorption district of this heat pipe is positioned between this upper shell and lower house, and does not contact the first side of this lower house and the 3rd side of this upper shell.
What in implementing one, axially wriggled along one of this heat pipe in the heat absorption district of this heat pipe extends to form.
The plurality of support cylinder and multiple retaining element with the mutual spread configuration of mode of row, the wherein retaining element of support cylinder another row adjacent of every a line.
The heat absorption position of this heat pipe is around this support cylinder.
The heat that heat abstractor can be made not only to have large area by the present invention passes effect, has more the function of far-end heat transfer, and then significantly can promote overall thermal biography effect.
Accompanying drawing explanation
Fig. 1 is perspective exploded view of the present invention;
Fig. 2 is solid combination schematic diagram of the present invention;
Fig. 3 is the profile of the X-X line of Fig. 2 of the present invention;
Fig. 4 is the profile of the Y-Y line of Fig. 2 of the present invention;
Fig. 5 is practical application schematic diagram of the present invention.
Symbol description
1 heat abstractor
10 housings
11 upper shells
111 the 3rd sides
112 the 4th sides
12 lower houses
121 first sides
122 second sides
123 sidewalls
1231 openings
1232 perforation
13 first chambers
131 first capillary structures
132 first hydraulic fluids
133 support cylinders
1331 the 3rd capillary structures
134 retaining elements
1341 free ends
20 heat pipes
23 second chambers
21 heat absorption districts
22 radiating areas
24 second capillary structures
25 second hydraulic fluids
26 second radiating fins
27 first radiating fins
28 hot producing components
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Characteristic on above-mentioned purpose of the present invention and structure and fuction thereof, is explained the preferred embodiment according to institute's accompanying drawings.
Refer to Fig. 1 to 4, Fig. 1 is the perspective exploded view of the present invention, and Fig. 2 is solid combination schematic diagram of the present invention, and Fig. 3 is the profile of the X-X ' line of the present invention the 2nd figure, and Fig. 4 is the profile of the Y-Y ' line of Fig. 2 of the present invention.As shown in Figures 1 to 4, heat abstractor 1 comprises a housing 10 (as shown in Figure 2) and a heat pipe 20.Housing 10 can be made up of the material that thermal conductivity is good, such as metal, but not as limit, housing 10 comprises upper shell 11, lower house 12 and one first chamber 13, this upper shell 11 is to should lower house 12, and this first chamber 13 is between this upper shell 11 and lower house 12.Be provided with one first capillary structure 131 in first chamber 13 and store one first hydraulic fluid 132 (as shown in figs. 3 and 4).Multiple support cylinder 133 and multiple retaining element 134 are arranged in this first chamber 13.This heat pipe 20 runs through this housing 10 then towards housing 10 extension in this first chamber 13.
This lower house 12 comprises one first side 121 and one second side 122 this first side 121 contrary, this first side 121 is provided with this first capillary structure 131 and contacts the first hydraulic fluid 132 in this first chamber 13, and this second side 122 is embodied as a plane in order to contact the surface (as shown in Figure 5) of a hot producing component one.One sidewall 123 is arranged on this first side 121 and ring is located at this first chamber 13 around, and a upper end of this sidewall 123 is defined an opening 1231 and is communicated with this first chamber 13, and sidewall 123 is provided with two perforation 1232 heat pipes 20 be provided in the first chamber 13 to be run through.
This upper shell 11 is arranged on this opening 1231 and sentences this first chamber 13 of sealing.Comprise contrary 3rd side 111, side the 111, three in one the 3rd side 111 and one the 4th side 112 and be positioned at this first chamber 13, and be provided with this first capillary structure 131.4th side 112 forms a plane in order to contact a heat dissipation element (as shown in Figure 5) in implementing one.Implement also to contact heat dissipation element at another directly to dispel the heat from the 4th side 112.
This heat pipe 20 is such as the heat pipe of circular caliber or is flat flat-plate heat pipe, represents in detail in this figure with the heat pipe of circular caliber, but not as limit.Heat pipe 20 comprises one second chamber 23 (as shown in the 3rd and 4 figure) and a heat absorption district 21 extends a radiating area 22, wherein be provided with one second capillary structure 24 in this second chamber 23 and be installed with one second hydraulic fluid 25 (as shown in figs. 3 and 4), this heat absorption district 21 is arranged in the first chamber 13 of this housing 10, and fixed by the plurality of retaining element 134, it is outer and be exposed in the environment outside this housing 10 that this radiating area 22 is arranged on the first chamber 13 of this housing 10.It should be noted that, the heat absorption district 21 of heat pipe 20, along axial sinuous extending to form of this heat pipe 20, increases the length of being heated of heat pipe 20 whereby.
The plurality of support cylinder 133 is arranged between the first side 121 of this lower house 12 and the 3rd side 111 of this upper shell 11, be used for supporting this upper shell 11 and this lower house 12, prevent housing 10 in the process vacuumized or subside afterwards, and after housing 10 injects the first hydraulic fluid 132 sealing, more can strengthen the bulk strength of housing 10.The plurality of support cylinder 133 is preferably the solid cylinder that heat-conducting metal is formed, and this heat-conducting metal comprises wherein arbitrary or its combination of gold, silver, copper and aluminium.In another is implemented except the solid cylinder that this support cylinder 133 is formed for heat-transfer metal, more form one deck the 3rd capillary structure 1331 this support cylinder the 133, three capillary structure 1331 coated at the outer surface of support cylinder 133 to be combined into one via the mode of diffusion bond and this first capillary structure 131.The concrete dynamic modulus cylinder that the plurality of support cylinder 133 is formed for utilizing metal powder sintered capillary structure in other are implemented.The support cylinder 133 that it should be noted that the 3rd capillary structure 1331 or be made up of capillary structure, it is that strengthening capillary backflow efficiency makes to be back to lower house 12 near the rapid capillary of the first hydraulic fluid 132 of this upper shell 11 cooling liquid.
The plurality of retaining element 134 is first sides 121 being arranged on this lower house 12, one free end 1341 with setting towards but do not contact this upper shell 11, this free end 1341 is the heat absorption districts 21 for contacting this heat pipe 20, and the shape of free end 1341 and heat pipe 20 external form match, so as to the heat absorption district 21 of this heat pipe 20 of fixed support in this first chamber 13.
Moreover the multiple support cylinders 133 in the first chamber 13 and multiple retaining element 134 arrange alternately in the mode of row, and the retaining element 134 of support cylinder 133 another row adjacent of every a line.Layout like this, then order forms heat absorption district 21 winding of extension of wriggling around this support cylinder 133.So, the heat on the second surface, side 122 of lower house 12 can via the heat absorption district 21 of the average heat trnasfer of the retaining element 134 of the first side 121 to this heat pipe 20.But moreover, because the first hydraulic fluid 132 in the first chamber 13 is that then heat is taken to upper shell 11 and dispel the heat by steam state from liquid state after lower house 12 is heated, first hydraulic fluid 132 of steam state is in the heat absorption district 21 of this heat pipe 20 of passage in transit going to upper shell 11, to partial heat be absorbed by the heat absorption district 21 of heat pipe 20, then antipyretic by heat pipe 20.On the other hand, heat pipe 20 avoids support cylinder 133, so the first hydraulic fluid 132 of most of cooling liquid is back to lower house 12 by along the 3rd capillary structure 1331 capillary outside support cylinder 133, avoid the heat absorption district 21 dropping onto heat pipe 20, so the endothermic effect in heat absorption district 21 can not be affected.
Moreover the heat absorption district 21 of the heat pipe 20 that the element 134 that is fixed in implementing supports between this upper shell 11 and lower house 12, and does not contact the first side 121 of this lower house 12 and the 3rd side 111 (as shown in figs. 3 and 4) of this upper shell 11.Like this by reduce upper shell 11 cooling liquid the first hydraulic fluid 132 and/or affect the endothermic effect in the heat absorption district 21 of heat pipe 20 at the first hydraulic fluid 132 that lower house 12 prepares to transfer vaporization to by liquefaction.
Subsidiary one carry be, second hydraulic fluid 25 in the heat absorption district 21 of heat pipe 20 changes steam state into after being heated, then heat is delivered to radiating area 22 to dispel the heat, the second hydraulic fluid 25 cooled in radiating area 22 changes liquefaction into from vaporization and is then back to heat absorption district along the second capillary structure 24 capillary, and what so circulate carries out heat trnasfer.
Finally, first and second and three capillary structure 131,24,1331 concrete examples described in this enforcement as being metal powder sintered formation, but are not limited to this, also can be reticulate body or corpus fibrosum.
Please continue to refer to the schematic diagram that Fig. 5 is the present invention's wherein embody rule.As shown in Figure 5, in the lump with reference to figure 1-4, the bottom surface of housing 10, namely the second side 122 of lower house 12 is arranged on the surface of a hot producing component 28, and this hot producing component 28 is such as CPU; The end face of housing 10, namely the 4th side 112 of upper shell 11 is provided with a heat dissipation element, such as the first radiating fin 27, the radiating area 22 of heat pipe 20, and the one end namely away from this heat absorption district 21 is provided with another heat dissipation element, such as one second radiating fin 26.
The heat that hot producing component 28 produces is delivered to the first side 121 from lower house 12 second side 122, make the first hydraulic fluid 132 aqueous in the first chamber 13 be heated and change steam into, heat is passed to the 3rd side 111 of upper shell 11, heat is also passed to the heat absorption district 21 of heat pipe 20 by the first hydraulic fluid 132 simultaneously.Meanwhile, the heat that hot producing component 28 produces is delivered to the first side 121 from the second side 122 of lower house 12, then through this retaining element 134, heat is delivered to the heat absorption district 21 of this heat pipe 20.Because heat pipe 20 is quick unidirectional conduction, be therefore delivered to rapidly this radiating area 22 at the heat in heat absorption district 21, dispel the heat by the second radiating fin 26.On the other hand, the heat of hot producing component 25 can be delivered to the 4th side 112 of upper shell 11 fast, heat is spread uniformly on the effective area of the 4th side 112, is then dispelled the heat by this first radiating fin 27.
In sum, the present invention can make heat abstractor not only have large-area heat and pass effect, has more the function of far-end heat loss through conduction, and then significantly can promote overall thermal biography effect.
Although the present invention discloses as above with execution mode; but can not the present invention be limited, any person skilled in the art, without departing from the spirit and scope of the present invention; all can be used for a variety of modifications and variations, therefore protection scope of the present invention is as the criterion when limiting with claim.
Claims (15)
1. a heat abstractor, comprising:
One housing, comprises one first chamber and is provided with one first capillary structure and has been installed with the first hydraulic fluid, and multiple support cylinder and multiple retaining element are arranged in this first chamber; And
One heat pipe, to be arranged in this first chamber and to run through this housing towards housing extension, this heat pipe comprises one second chamber and a heat absorption district extends a radiating area, wherein be provided with one second capillary structure in this second chamber and be installed with one second hydraulic fluid, this heat absorption district is positioned at first chamber of this housing, and fixed by the plurality of retaining element, this radiating area is positioned at outside first chamber of this housing, and is exposed in the environment outside this housing.
2. heat abstractor as claimed in claim 1, wherein this housing comprises a upper shell and a lower house, this upper shell comprises a side wall ring and is located at around this first chamber, and defining this first chamber of an open communication, this lower house is to should lower house be arranged on this opening part and seal this first chamber; Wherein this first chamber is between this upper shell and lower house.
3. heat abstractor as claimed in claim 2, wherein this lower house comprises one first side and one second side this first side contrary, wherein the first side of this lower house is provided with this first capillary structure and contacts the hydraulic fluid in this first chamber, the surface of the hot producing component of the second side contacts one of this lower house; This sidewall is positioned at this first side.
4. heat abstractor as claimed in claim 3, wherein upper shell comprises contrary 3rd side in one the 3rd side and one the 4th side, and the 3rd side is positioned at this first chamber and is provided with this first capillary structure.
5. heat abstractor as claimed in claim 4, wherein the plurality of support cylinder is arranged between the first side of this lower house and the 3rd side of this upper shell, to support this upper shell and this lower house.
6. heat abstractor as claimed in claim 5, wherein the plurality of support cylinder is that heat-conducting metal is formed, and this heat-conducting metal comprises wherein arbitrary or its combination of gold, silver, copper and aluminium.
7. heat abstractor as claimed in claim 6, wherein the outer surface of the plurality of support cylinder forms one the 3rd capillary structure layer this support cylinder coated.
8. heat abstractor as claimed in claim 7, wherein the 3rd capillary structure layer is combined into one via diffusion bond and this first capillary structure.
9. heat abstractor as claimed in claim 6, wherein the plurality of support cylinder is the concrete dynamic modulus cylinder that capillary structure is formed.
10. heat abstractor as claimed in claim 6, wherein the plurality of retaining element is positioned at the first side of this lower house.
11. heat abstractors as claimed in claim 1, wherein the plurality of retaining element has the heat absorption district that a free end contacts this heat pipe, with the heat absorption district of this heat pipe of fixed support in this first chamber.
12. heat abstractors as claimed in claim 11, wherein the heat absorption district of this heat pipe is positioned between this upper shell and lower house, and does not contact the first side of this lower house and the 3rd side of this upper shell.
13. heat abstractors as claimed in claim 12, wherein the heat absorption district of this heat pipe is axial sinuous the extending to form along this heat pipe.
14. heat abstractors as claimed in claim 13, wherein the plurality of support cylinder and multiple retaining element are with the mutual spread configuration of mode of row, wherein the retaining element of support cylinder another row adjacent of every a line.
15. heat abstractors as claimed in claim 14, wherein the heat absorption position of this heat pipe is around this support cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310373774.4A CN104427824B (en) | 2013-08-23 | 2013-08-23 | Radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310373774.4A CN104427824B (en) | 2013-08-23 | 2013-08-23 | Radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104427824A true CN104427824A (en) | 2015-03-18 |
| CN104427824B CN104427824B (en) | 2018-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310373774.4A Active CN104427824B (en) | 2013-08-23 | 2013-08-23 | Radiator |
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| Country | Link |
|---|---|
| CN (1) | CN104427824B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197108A (en) * | 2016-07-29 | 2016-12-07 | 广州华钻电子科技有限公司 | A kind of board-like liquid cold temperature-uniforming plate composite heating radiator |
| CN108575072A (en) * | 2017-03-10 | 2018-09-25 | 双鸿科技股份有限公司 | Hydrocone type heat sink and the display device with the hydrocone type heat sink |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2762347Y (en) * | 2004-12-22 | 2006-03-01 | 珍通科技股份有限公司 | Temp. equalization plate |
| CN2762507Y (en) * | 2004-12-22 | 2006-03-01 | 珍通科技股份有限公司 | Cooling module on radiating plate |
| CN2773901Y (en) * | 2005-01-20 | 2006-04-19 | 珍通科技股份有限公司 | Multiway radiator of temperature-homogenizing plate |
| CN101105376B (en) * | 2006-07-12 | 2010-11-03 | 捷飞有限公司 | Heat conducting base and temperature-homogenizing plate possessing same |
| CN203537724U (en) * | 2013-08-23 | 2014-04-09 | 奇鋐科技股份有限公司 | Heat dissipating device |
-
2013
- 2013-08-23 CN CN201310373774.4A patent/CN104427824B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197108A (en) * | 2016-07-29 | 2016-12-07 | 广州华钻电子科技有限公司 | A kind of board-like liquid cold temperature-uniforming plate composite heating radiator |
| CN108575072A (en) * | 2017-03-10 | 2018-09-25 | 双鸿科技股份有限公司 | Hydrocone type heat sink and the display device with the hydrocone type heat sink |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104427824B (en) | 2018-10-16 |
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