CN117781748A - Temperature equalizing plate with composite material supporting column - Google Patents
Temperature equalizing plate with composite material supporting column Download PDFInfo
- Publication number
- CN117781748A CN117781748A CN202211156173.3A CN202211156173A CN117781748A CN 117781748 A CN117781748 A CN 117781748A CN 202211156173 A CN202211156173 A CN 202211156173A CN 117781748 A CN117781748 A CN 117781748A
- Authority
- CN
- China
- Prior art keywords
- metal shell
- composite support
- metal
- support column
- isopipe
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 62
- 230000008093 supporting effect Effects 0.000 title abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 92
- 239000002184 metal Substances 0.000 claims abstract description 92
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000005253 cladding Methods 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 20
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000001754 anti-pyretic effect Effects 0.000 description 2
- 239000002221 antipyretic Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention relates to a temperature equalizing plate with composite material supporting columns, which comprises a first metal shell, composite material supporting columns, a capillary structure, a second metal shell, a fixing layer and working fluid, wherein the first metal shell is provided with an inner surface; the composite support column is arranged on the inner surface of the first metal and comprises a metal core and a cladding layer, and is provided with an end face, wherein the metal core and the first metal shell are made of different materials; the capillary structure is laid on the inner surface of the first metal; the second metal shell is sealed corresponding to the first metal shell and forms a containing cavity together; the fixing layer is formed between the inner surface of the first metal and the end face of the support column; the working fluid is arranged in the cavity. Therefore, the material has good supporting property, excellent deformation resistance and low cost.
Description
Technical Field
The present invention relates to a heat sink, and more particularly to a heat sink having a plurality of support columns.
Background
With the rapid development and application of network technologies, users continuously increase the requirements of starting up speed of computers, reading speed of software, and playing speed of photos and movies, but with the increase of the efficiency and reading speed, the heating value and temperature of the operation of electronic elements are also increased, and the high temperature not only can make most of electronic elements easily and rapidly aged, but also can reduce the reading and writing speed of electronic elements such as solid state disk, so how to maintain the working temperature becomes the research subject of the application.
In order to solve the Heat dissipation problem of the electronic device, high-performance Heat conducting and dissipating members such as Heat Pipe (Heat Pipe) and Vapor Chamber (Vapor Chamber) have been developed in the industry, wherein the Vapor Chamber covers a wide range, has a short Heat conducting path, and has Heat conducting and dissipating performance superior to that of the Heat Pipe, and is a main stream member for dissipating Heat of the electronic device.
The copper columns are used as the internal support elements of the temperature equalization plates, and compared with other metal components, the copper columns are softer in texture and have quite large fluctuation of material price, so that the copper columns have the related problems of poor support property, poor deformation resistance, quite high manufacturing cost and the like.
Disclosure of Invention
An object of the present invention is to provide a temperature equalizing plate with composite support columns, which not only has good supporting property and excellent deformation resistance, but also has low material cost.
In order to achieve the above-mentioned objective, the present invention provides a temperature equalization plate with composite support columns, comprising a first metal shell, a plurality of composite support columns, a capillary structure, a second metal shell, a fixing layer and a working fluid, wherein the first metal shell has an inner surface; each composite support column is arranged on the inner surface of the first metal shell, each composite support column comprises a metal core and a cladding layer plated on the metal core, and each composite support column is provided with an end face, wherein each metal core and each first metal shell are made of different materials; the capillary structure is laid on the inner surface of the first metal shell; the second metal shell is sealed corresponding to the first metal shell and forms a containing cavity together; the fixing layer is formed between the inner surface of the first metal shell and the end surface of each supporting column; the working fluid is arranged in the cavity.
Optionally, the coating layer is a metal layer, and each metal layer and the first metal shell are made of the same material.
Optionally, the metal core is made of stainless steel, and the cladding layer and the first metal shell are made of copper.
Optionally, the second metal shell has an inner surface, each of the composite support columns has another end surface, and the other anchor layer is formed between the inner surface of the second metal shell and the another end surface of each of the composite support columns.
Optionally, a further capillary structure is further included, the further capillary structure being laid on the inner surface of the second metal shell.
Optionally, the other capillary structure is provided with a plurality of through holes, and each through hole is sleeved with each composite material support column.
Optionally, the soaking plate has a main heat release area and a primary heat release area, and the arrangement density of the composite support columns in the main heat release area is greater than that of the composite support columns in the secondary heat release area.
Optionally, the capillary structure is provided with a plurality of through holes, and each through hole is sleeved with each composite support column.
Optionally, each of the composite support columns further includes a capillary structure covering the peripheral surface of the coating layer.
Optionally, the temperature equalization plate has a main heat release area, and each of the composite support columns is arranged in the main heat release area.
The invention also has the following effects that the fixing layers are combined with the metal shells and the composite support columns, so that the whole manufacturing flow and the manufacturing cost are greatly simplified. By using the composite material supporting columns with different densities respectively arranged in different antipyretic regions, the cost and the antipyretic can be optimally arranged.
Drawings
Fig. 1 is an exploded cross-sectional view of a first metal shell and support columns of the present invention.
Fig. 2 is a schematic view showing the capillary structure of the present invention bonded to a first metal shell.
Fig. 3 is a schematic view showing the bonding of the second metal shell to the first metal shell according to the present invention.
FIG. 4 is a sectional view of a temperature uniformity plate assembly with composite support columns according to the present invention.
FIG. 5 is a top view of a isopipe having composite support columns according to the present invention.
FIG. 6 is a cross-sectional view of another embodiment of a composite support column of the present invention.
In the figure:
1, a temperature equalizing plate with a composite material supporting column; 10, a first metal shell; 11, inner surface; 20. 20A, a composite material supporting column; 201, end face; 202, the other end face; 21, a metal core; 22, coating; 23, capillary tissue; 30, capillary structure; 30A, another capillary structure; 31. 31A, perforating; 40, a second metal shell; 41 an inner surface; 50, fixing layer; 50A, another anchoring layer; 60, working fluid; a, adhesive paste; another adhesive paste; c, a containing cavity; h1, a main solution zone; h2, secondary heat release zone.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the invention, so that those skilled in the art may better understand the invention and practice it.
Referring to fig. 1 to 4, the present invention provides a temperature equalization plate 1 with composite support columns, which mainly includes a first metal shell 10, a plurality of composite support columns 20, a capillary structure 30, a second metal shell 40, a fixing layer 50 and a working fluid 60.
The first metal shell 10 may be geometrically or irregularly shaped according to the environments of various electronic heat generating sources (not shown), and may be made of a material having good thermal conductivity, such as copper, aluminum, magnesium or alloys thereof, and the first metal shell 10 has an inner surface 11.
Each composite support column 20 is arranged on the inner surface 11 of the first metal shell 10 at intervals, each composite support column 20 mainly comprises a metal core 21 and a cladding layer 22 coated on the outer surface of the metal core 21, the bottom of each composite support column 20 is provided with an end face 201, and the top of each composite support column 20 is provided with another end face 202, wherein each metal core 21 and the first metal shell 10 are made of different materials. In one embodiment, the metal core 21 is made of stainless steel, the cladding layer 22 is a metal layer made of copper or its alloy with good thermal conductivity, and each cladding layer 22 is made of the same material as the first metal shell 10.
The capillary structure 30 may be made of a material with good capillary adsorption force, such as a metal woven mesh, porous sintered powder, fiber bundles, etc., and has a shape substantially similar to that of the first metal shell 10; a through hole 31 is disposed at a position of the capillary structure 30 corresponding to each of the composite support columns 20. When in manufacture, each perforation 31 of the capillary structure 30 is sleeved corresponding to each composite support column 20, so that the capillary structure 30 can fully cover the inner surface 11 of the first metal shell 10, and the capillary structure 30 is fixed on the inner surface 11 of the first metal shell 10 through a thermal diffusion welding process.
The second metal shell 40 is also made of a material with good thermal conductivity, such as copper, aluminum, magnesium or an alloy thereof, and the shape thereof is matched with the shape of the first metal shell 10, and the second metal shell 40 also has an inner surface 41 (as shown in fig. 4). When in manufacture, the second metal shell 40 is covered corresponding to the first metal shell 10, and a sealing welding process is applied to the joint of the first metal shell 10 and the second metal shell 40, so that a containing cavity C is formed inside the first metal shell 10 and the second metal shell 40 (as shown in fig. 4).
The anchor layer 50 is formed between the inner surface 11 of the first metal shell 10 and the end face 201 of each composite support column 20; in the process of manufacturing, an adhesive paste a is applied to the inner surface 11 of the first metal shell 10 and the end face 201 of each composite support column 20, and is combined to form a fixing layer 50.
The adhesive paste a is a copper paste made by mixing materials such as copper powder base material and adhesive, and may be applied to a predetermined position on the inner surface 11 of the first metal shell 10 corresponding to each composite support column 20, or applied to the end face 201 of each composite support column 20, or both. Then, the end face 201 of each composite support column 20 is erected on a predetermined position of the inner surface 11 of the first metal shell 10, and the adhesive paste a is formed into a fixing layer 50 by a heat and pressure bonding process.
The working fluid 60 may be pure water, which is injected into the chamber C, and a degassing seal process is applied, so that the chamber C is formed as a vacuum chamber.
In one embodiment, the temperature equalization plate 1 with the composite support column of the present invention further comprises a further fixing layer 50A, and the second metal shell 40 has an inner surface 41; in the process of manufacturing, another adhesive paste B may be applied to the inner surface 41 of the second metal shell 40 at a predetermined position corresponding to each composite support column 20, or another adhesive paste B may be applied to the other end face 202 of each composite support column 20, or both of the above two forms may be used. Then, the second metal shell 40 is covered corresponding to the first metal shell 10, and the other end faces 202 of the composite support columns 20 are respectively abutted against the inner surface 41 of the second metal shell 40, and the other adhesive paste B is formed into the other fixing layer 50A through a heating and pressurizing bonding process.
Referring to fig. 5, except that the arrangement of the composite support columns 20 can be arranged in an equidistant manner, the temperature equalizing plate 1 with composite support columns according to the present invention has a main heat release area H1 (within the range of the dotted line area) and a primary heat release area H2 (outside the range of the dotted line area), wherein the main heat release area H1 is configured corresponding to each electronic heat source, the secondary heat release area H2 is formed around the outer periphery of each electronic heat source, and the arrangement density of the composite support columns 20 in the main heat release area H1 is greater than that of the composite support columns 20 in the secondary heat release area H2.
Referring to fig. 6, in addition to the above embodiments, each composite support column 20A of the temperature uniformity plate 1 with composite support columns of the present invention further includes a capillary structure 23 covering the peripheral surface of the coating layer 22, wherein the capillary structure 23 is made of porous sintered powder or fiber bundles and other materials with good capillary adsorption force, and each composite support column 20A is disposed in the main solution zone H1.
The above-described embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. A temperature equalization plate with composite support columns, comprising:
a first metal shell having an inner surface;
the composite support columns are arranged on the inner surface of the first metal shell, each composite support column comprises a metal core and a cladding layer plated on the metal core, and each composite support column is provided with an end face, wherein the metal core and the first metal shell are made of different materials;
a capillary structure laid on the inner surface of the first metal shell;
the second metal shell is sealed corresponding to the first metal shell and jointly forms a containing cavity;
a fixing layer formed between the inner surface of the first metal shell and the end surface of each support column; and
a working fluid is arranged in the cavity.
2. The isopipe of claim 1 wherein the cladding layer comprises a metal layer, each metal layer being the same material as the first metal shell.
3. The isopipe of claim 2 wherein the metal core comprises stainless steel and the cladding layer and the first metal shell comprise copper.
4. The isopipe of claim 1 further comprising a further anchor layer, the second metal shell having an inner surface, each of the composite support columns having a further end surface, the further anchor layer being formed between the inner surface of the second metal shell and the further end surface of each of the composite support columns.
5. The isopipe of claim 4 further comprising a further wicking structure disposed on the inner surface of the second metal shell.
6. The isopipe of claim 5 wherein the other capillary structure comprises a plurality of perforations, each perforation corresponding to each composite support column.
7. The isopipe of claim 1 having a primary and a secondary heat release zone, wherein the composite support column arrangement density in the primary heat release zone is greater than the composite support column arrangement density in the secondary heat release zone.
8. The isopipe of claim 1 wherein the capillary structure comprises a plurality of perforations, each perforation corresponding to each composite support column.
9. The isopipe of claim 1 wherein each of the composite support columns further comprises a capillary structure overlying the peripheral surface of the coating.
10. The isopipe of claim 9 having a main heat release zone wherein each of the composite support columns is disposed in an array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211156173.3A CN117781748A (en) | 2022-09-22 | 2022-09-22 | Temperature equalizing plate with composite material supporting column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211156173.3A CN117781748A (en) | 2022-09-22 | 2022-09-22 | Temperature equalizing plate with composite material supporting column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117781748A true CN117781748A (en) | 2024-03-29 |
Family
ID=90378648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211156173.3A Pending CN117781748A (en) | 2022-09-22 | 2022-09-22 | Temperature equalizing plate with composite material supporting column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117781748A (en) |
-
2022
- 2022-09-22 CN CN202211156173.3A patent/CN117781748A/en active Pending
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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