CN101336066B - Heat radiator - Google Patents
Heat radiator Download PDFInfo
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- CN101336066B CN101336066B CN200710118188XA CN200710118188A CN101336066B CN 101336066 B CN101336066 B CN 101336066B CN 200710118188X A CN200710118188X A CN 200710118188XA CN 200710118188 A CN200710118188 A CN 200710118188A CN 101336066 B CN101336066 B CN 101336066B
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Abstract
A radiator comprises closing parts (3, 3') and a main body (2), wherein the closing parts (3, 3') is used for seal the main body (2), characterized in that, a plurality of metal sheets (4, 5, 6) are stacked to compose a piling body (2) as the main body, at least an opening (7. 7', 7''; 8, 8', 8''; 9, 9', 9'') are arranged on the plurality of metal sheets (4, 5, 6), each opening (7) and each corresponding openings (8, 9) piled on the metal sheets form into at least sealing cavities (11, 12, 13), and heat emission media (10) are housed in at least one cavity (11, 12, 13). The invention realizes conduction cavity with heat pipe efficacy in low cost. In addition, the number and the shape of conduction cavities are adjusted through simply adjusting the number and the position of the opening on the metal sheets, thereby better satisfying different heat emission requirement.
Description
Technical field
The present invention relates to a kind of radiator, especially a kind of radiator that is used to the CPU heat radiation.
Background technology
Hot pipe technique is widely used in the heat radiation of CPU at present.Its principle is to utilize sweat cooling.Heat pipe one end is an evaporation ends, the other end is a condensation end, when heat pipe one end is heated, liquid in the capillary evaporates rapidly, steam flows to the other end under small pressure differential, and gives off energy, and regelation becomes liquid, liquid flows back to evaporation section along porous material by the effect of capillary force again, and so circulation is more than.Because this circulation is carried out fast, heat can be conducted continuously.
Disclose a kind of heat-pipe radiator among the CN2823961, wherein adopted the copper heat pipe, on this copper heat pipe, be embedded with several layers of aluminum thermal fin.The problem of its existence is, the first, and its heat pipe is made of copper, and cost is higher; The second, the aluminium flake setting-in can not be fitted fully with heat pipe behind heat pipe, and it is serious to make heat transfer efficiency descend.
Summary of the invention
Based on above technical problem, technical problem to be solved by this invention is: a kind of radiator is provided, and its cost is lower, and can also keep the heat transfer efficiency height simultaneously.
Another technical problem to be solved by this invention is: the shape of thermal conductive cavity can change according to the demand of heat radiation, thereby just can satisfy different radiating requirements with lower cost.
Can solve by following scheme according to technical problem of the present invention, a kind of radiator promptly is provided, comprise closure and body, described closure is arranged on the distolateral of described body, it is characterized in that, described body is the metal stack body that comprises a plurality of metallic laminations, respectively be provided with at least one perforate on described a plurality of metallic laminations, each perforate on each sheet metal each corresponding aperture on other stack sheet metals forms at least one cavity, accommodates heat eliminating medium respectively in described at least one cavity.Certainly in order to form the heat pipe effect, this cavity should seal.
Preferably, stating closure is respectively at least one metal cover plate that is used to seal described body one side.
According to a preferred embodiment of the present invention, described metal stack body is to replace stacked forming by first metallic laminations with first size and second metallic laminations with second size.Described first size is consistent with size of devices to be cooled, and described second size is greater than first size.Equally, have first size, have second size towards the metal cover plate of low-temperature receiver one side towards the metal cover plate of device to be cooled one side.
Preferably, at each sheet metal, passing through adhesive bond between the metallic laminations and between metallic laminations and the metal cover plate.By applying high-intensity binding agent, in order to cavity with respect to the interfacial seal between the sheet metal.Obviously, also can by other modes for example the mode of pressing or hot melt adhesive realize that cavity is with respect to the interfacial seal between the sheet metal.
Preferably, the position that constitutes each perforate on a plurality of metallic laminations of at least one cavity has skew mutually, thereby constitutes the inclination cavity.Replenish as its replacement or its, the position that constitutes each perforate on a plurality of metallic laminations of at least one cavity is aimed at mutually, thereby constitutes vertical cavity.Thereby, can pass through to adjust the position between each perforate, and adjust the shape of cavity.
Preferably, the air pressure in the described cavity is lower than atmospheric pressure.Described heat eliminating medium is a small amount of pure water or a spot of low boiling solution, thereby can reduce the boiling point of working media, makes its easier gasification.
Preferably, each sheet metal is aluminium material.But obviously also can aluminium be replaced with the metal that other are fit to heat radiation according to different demands.
Preferably be provided with tube core in the cavity, tube core can constitute by following several modes: be provided with the single or multiple lift web-roll core that is attached on the wall of chamber in the described cavity; Perhaps, on the bearing of trend of cavity, have fine cutting on the chamber wall of described cavity; Be provided with the metal sintering powder that is attached on the wall of chamber in the perhaps described cavity with specific order number.
Adopted a plurality of sheet metals that have perforate among the present invention, when these sheet metals piled up, these perforates formed thermal conductive cavities, had therefore realized the formation of thermal conductive cavity in mode cheaply.And the while can also be realized the principle of heat pipe, dispels the heat efficiently.Simultaneously, owing to used a plurality of sheet metals that have perforate, thus can adjust the quantity and the shape of thermal conductive cavity, thereby can satisfy various radiating requirements better simply by adjusting the quantity and the position of the perforate on the sheet metal.
Description of drawings
Accompanying drawing shows one of them embodiment of the present invention, and can be used for illustrating principle of the present invention with specification.
Fig. 1 is the longitudinal sectional drawing of radiator of the present invention;
Fig. 2 is the vertical view of radiator of the present invention;
Fig. 3 is the stereogram of radiator of the present invention.
Embodiment
Below in conjunction with accompanying drawing specific embodiments of the invention are described.But the multitude of different ways that the present invention can be defined by the claims and cover is implemented.Identical in the accompanying drawings parts are represented with identical label.
The longitudinal sectional drawing of radiator 1 of the present invention has been shown among Fig. 1.As can be seen from Figure 1, radiator 1 comprises aluminium flake 3,3 as end cap ' and as the aluminium flake stacked body 2 that has perforate of radiator body 1, aluminium flake 3,3 ' is separately positioned on the both sides of this stacked body, certainly aluminium flake 3,3 ' number also can be all greater than one.Radiator body 2 between aluminium flake 3,3 ' comprises a plurality of aluminium flakes that are provided with perforate, illustrate the design of each aluminium flake and the mode of formation cavity (obviously, the quantity of the aluminium flake of formation radiator body 2 can be selected arbitrarily according to the needs of heat radiation) with aluminium flake 4,5,6.Offer three perforates 7,7 ', 7 on the aluminium flake 4 ", offer three perforates 8,8 ', 8 on the same aluminium flake 5 ", offer three perforates 9,9 ', 9 on the aluminium flake 6 ".When being stacked to aluminium flake 4,5,6 and other aluminium flakes together, as shown in Figure 1, perforate 7,8,9 forms the part of an inclination cavity 11, and perforate 7 ', 8 ', 9 ' forms the part of a vertical cavity 12, perforate 7 ", 8 ", 9 " form the part of another inclination cavity 13.The sealing at heat source side and low-temperature receiver end of cavity 11,12,13 realizes by aluminium flake 3,3 ' respectively. Cavity 11,12,13 and aluminium flake (is example with 4,5,6) between the interface between sealing then be to realize by the high-intensity binding agent 14 that is coated on the aluminium flake.Take out in the cavity and be negative pressure, wherein put into the big liquid of a spot of pure water or a spot of low boiling solution thermal capacitance for example acetone etc. be used as heat eliminating medium 10.If other metal material, also can put into the compatible in other words heat eliminating medium that is complementary with it therein, as be known in the art like that, therefore, it is repeated no more at this.
As can be seen from Figure 1, aluminium flake stacked body 2 replaces stacked forming by the aluminium flake 5 with first size and aluminium flake 4,6 with second size.Described first size is consistent with size of devices to be cooled, and described second size is greater than first size.Equally, have first size, have second size towards the metal cover plate 3 of low-temperature receiver one side towards the metal cover plate 3 ' of device CPU one side to be cooled.
Obviously, in order to constitute inclination cavity 11 and 13, between the perforate 7,8,9 and 7 ", 8 ", 9 " between the position be that skew is arranged slightly.And in order to constitute vertical cavity 12,7 ", 8 ", 9 " between the position be mutually to aim at.The quantity of the perforate of offering on each metallic laminations can be set according to the requirement of heat radiation.For each perforate on the metallic laminations, the position of the corresponding aperture on this perforate and other metallic laminations relation is what to set according to the shape of requirement cavity.When designing, can set different cavity shape and quantity according to different radiating requirements, thereby determine the quantity of the perforate on the metallic laminations and the position of perforate further.Certainly the relation of the position between the perforate need guarantee to constitute a cavity that communicates.
It is linear inclination cavity that inclination cavity herein is not limited to, and also comprises the inclination cavity of shaped form.
The mode of perforate is various, can be to come perforate in the mode of punching, also can otherwise come perforate.
The material of each metallic laminations is preferably identical, for example all is aluminium.Perhaps other can guarantee the metal that dispels the heat.Certainly the material of each metallic laminations also can be inequality.Also can select different metal materials to be equipped with according to the demand height and the cost control of the heat radiation of machine.
As shown in Figure 1, in the radiator 1 in using the present invention, a side of this radiator 1 is arranged on the side of device CPU15 to be cooled, and the opposite side of this radiator 1 is provided with the low-temperature receiver (not shown). Cavity 11,12,13 is worked as a heat pipe.In pipe is negative pressure, heat eliminating medium water or lower boiling solution are heated rapid gasification in thermal source CPU one side, cooling source one side that vapour arrives at cavity rapidly is cooled, and gets back to the fire end of cavity by the tube core on the tube wall, thereby realizes heat radiation quickly and efficiently.That is to say that radiator 1 of the present invention can be realized the function of heat pipe, come work with the working method that is similar to heat pipe.
Not shown among Fig. 1 according to the setting on the chamber wall of radiator 1 of the present invention.But in order as heat pipe, to work, the tube core of supplied gas from the cooling source side reflux to heat source side need be set equally, for example on the bearing of trend of cavity, have fine cutting on the chamber wall of cavity, be provided with the metal sintering powder that is attached on the wall of chamber in the cavity, perhaps be provided with single or multiple lift web-roll core that is attached on the wall of chamber or the like in the cavity with specific order number.
With reference to Fig. 2,3.As can be seen from Figure 2, be provided with four vertical cavitys and four inclination cavitys, as can be seen from Figure 3, be provided with nine parallel cavitys.The number of cavity setting and the shape of cavity are to design voluntarily according to the radiating requirements of machine.
All designs of having utilized a plurality of metallic laminations with holes to form the heat-dissipating cavity that possesses the heat pipe effect need to prove, so long as all should comprise within the scope of the present invention.What the closure of low-temperature receiver side and heat source side (end cap) was taked is as also all should not comprise within the scope of the present invention with the metallic laminations of perforate or the radiator of other closure form among the present invention.
In addition, if the radiator that possesses the heat pipe effect that has utilized a plurality of metallic laminations with holes to adjust cavity shape also all should comprise within the scope of the present invention.
In addition, need to prove that this cavity should seal, in the present invention, realize the cavity sealing by high-intensity binding agent.Perhaps by other modes for example material connected mode such as pressing realize that the scheme of cavity sealing also all should be included within the scope of the invention.
In addition, radiator of the present invention can be applied in the CPU heat radiation, also can be applied in the heat radiation of thermal source of other loses heat.
Above embodiment is only in order to technical scheme of the present invention to be described but not limit it, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (13)
1. a radiator (1) comprises body (2) and closure (3,3 '), and it is distolateral that described closure (3,3 ') is arranged on two of body (2), it is characterized in that described body (2) is to comprise a plurality of metallic laminations (4; 5; 6) metal stack body (2), described a plurality of metallic laminations (4; 5; 6) respectively be provided with at least one perforate (7,7 ', 7 "; 8,8 ', 8 "; 9,9 ', 9 "), each sheet metal (4) is gone up each perforate (7; 7 '; 7 ") with each corresponding aperture on sheet metals of other stacks (8,8 ', 8 "; 9,9 ', 9 ") form at least one cavity (11; 12; 13) together, described cavity (11,12; 13) is having the thermal conductive cavity of heat pipe effect and accommodate gasifiable heat eliminating medium (10) respectively in described at least one cavity (11; 12,13) with formation of sealing, has first size towards the closure (3 ') of device to be cooled one side; the closure (3) towards low-temperature receiver one side has second size, and described second size is greater than first size.
2. radiator according to claim 1 (1) is characterized in that, described closure (3,3 ') is respectively at least one metal cover plate that is used to seal described body (2) one sides.
3. radiator according to claim 2 (1) is characterized in that, described metal stack body (2) is to replace stacked forming by first metallic laminations (5) with first size and second metallic laminations (4,6) with second size.
4. radiator according to claim 3 (1) is characterized in that, described first size is consistent with the size of device (15) to be cooled.
5. radiator according to claim 1 (1) is characterized in that, described metallic laminations (4; 5; 6) it is bonding to pass through binding agent (14) between and between metallic laminations and the described metal cover plate (3,3 '), in order to cavity (11,12,13) is sealed.
6. radiator according to claim 5 (1) is characterized in that, constitute at least one cavity (11,12,13) at a plurality of metallic laminations (4; 5; 6) each perforate (7,8,9 on; 7 " position, 8 ", 9 ") has skew mutually, thereby constitutes the inclination cavity.
7. radiator according to claim 5 (1) is characterized in that, constitute at least one cavity (11,12,13) at a plurality of metallic laminations (4; 5; 6) each perforate (7,8,9 on; 7 " position, 8 ", 9 ") is aimed at mutually, thereby constitutes vertical cavity.
8. radiator according to claim 7 (1) is characterized in that, the air pressure in the described cavity (11,12,13) is lower than atmospheric pressure.
9. radiator according to claim 8 (1) is characterized in that, metallic laminations (4; 5; 6) and metal cover plate (3,3 ') be aluminium material.
10. radiator according to claim 9 (1) is characterized in that, described heat eliminating medium is a small amount of pure water or a spot of low boiling solution.
11. radiator according to claim 10 (1) is characterized in that, is provided with the single or multiple lift web-roll core that is attached on the wall of chamber in the described cavity.
12. radiator according to claim 10 (1) is characterized in that, has fine cutting on the chamber wall of described cavity on the bearing of trend of cavity.
13. radiator according to claim 10 (1) is characterized in that, is provided with the metal sintering powder with specific order number that is attached on the wall of chamber in the described cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710118188XA CN101336066B (en) | 2007-06-29 | 2007-06-29 | Heat radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710118188XA CN101336066B (en) | 2007-06-29 | 2007-06-29 | Heat radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101336066A CN101336066A (en) | 2008-12-31 |
| CN101336066B true CN101336066B (en) | 2011-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710118188XA Active CN101336066B (en) | 2007-06-29 | 2007-06-29 | Heat radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101336066B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047353B (en) * | 2015-08-18 | 2017-04-12 | 奥泰医疗系统有限责任公司 | Low-temperature electrical-insulating heat transfer component |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1442900A (en) * | 2002-03-05 | 2003-09-17 | 吴鸿平 | Integrated radiator of radiating fin, heat pipe or cellular pipe, mother board metal |
| CN2684380Y (en) * | 2004-03-13 | 2005-03-09 | 林智忠 | Enclosed type integral liquid cooling radiator |
-
2007
- 2007-06-29 CN CN200710118188XA patent/CN101336066B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1442900A (en) * | 2002-03-05 | 2003-09-17 | 吴鸿平 | Integrated radiator of radiating fin, heat pipe or cellular pipe, mother board metal |
| CN2684380Y (en) * | 2004-03-13 | 2005-03-09 | 林智忠 | Enclosed type integral liquid cooling radiator |
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| Publication number | Publication date |
|---|---|
| CN101336066A (en) | 2008-12-31 |
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