CN218723416U - Temperature-uniforming plate with composite material support pillar - Google Patents
Temperature-uniforming plate with composite material support pillar Download PDFInfo
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- CN218723416U CN218723416U CN202222510675.3U CN202222510675U CN218723416U CN 218723416 U CN218723416 U CN 218723416U CN 202222510675 U CN202222510675 U CN 202222510675U CN 218723416 U CN218723416 U CN 218723416U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model relates to a temperature-uniforming plate with a composite material supporting column, which comprises a first metal shell, a composite material supporting column, a capillary structure, a second metal shell, a fixing layer and a working fluid, wherein the first metal shell is provided with an inner surface; the composite material supporting column is arranged on the inner surface of the first metal and comprises a metal core and a cladding layer, the composite material supporting column is provided with an end face, and 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 surface of the supporting column; the working fluid is disposed in the cavity. Therefore, the support structure has good support and excellent deformation resistance, and the material cost is low.
Description
Technical Field
The present invention relates to a heat sink, and more particularly to a vapor chamber with a support pillar made of composite material.
Background
With the rapid development and application of network technologies, the requirements of users on the boot speed of computers, the reading speed of software, and the playing speed of photos and films are continuously increased, however, with the increase of the above performance and reading speed, the heat productivity and temperature of electronic components are also continuously increased, and the high temperature not only makes most of electronic components easily and quickly aged, but also reduces the reading and writing speeds of electronic components such as solid state disk, so how to maintain the working temperature becomes the subject of research in this application.
In order to solve the Heat dissipation problem of the electronic components, heat pipes (Heat pipes) and Vapor chambers (Vapor chambers) have been developed, wherein the Vapor chambers cover a wide range, have short thermal conduction paths, and have better Heat dissipation performance than the Heat pipes.
The copper pillars are mostly used as internal supporting elements of the vapor chamber, and compared with other metal components, the copper pillars are not only softer but also have large variation in material price, so that the copper pillars have problems of poor supporting performance, poor deformation resistance, and high cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a temperature-uniforming plate with combined material support column, it not only has good support nature and excellent anti deformability outside, and material low cost.
In order to achieve the above object, the present invention provides a vapor chamber with composite support pillars, comprising a first metal shell, a plurality of composite support pillars, 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 material supporting column is arranged on the inner surface of the first metal shell, each composite material supporting column comprises a metal core and a coating layer plated on the metal core, each composite material supporting column is provided with an end face, and each 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 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 covering 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 composite material support column further comprises a second fixing layer, the second metal shell has an inner surface, each composite material support column has another end surface, and the second fixing layer is formed between the inner surface of the second metal shell and the another end surface of each composite material support column.
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 supporting column.
Optionally, the temperature equalization plate has a main heat release region and a secondary heat release region, and the arrangement density of each composite material support pillar in the main heat release region is greater than that in the secondary heat release region.
Optionally, the capillary structure is provided with a plurality of through holes, and each through hole is sleeved with each composite material supporting column correspondingly.
Optionally, each of the composite support columns further includes a capillary structure covering the periphery of the coating layer.
Optionally, the temperature equalization plate has a main heat release region, and the composite material support pillars are arranged in the main heat release region.
The utility model also has the following functions that the fixation layers are combined with the metal shells and the composite material support columns, thereby greatly simplifying the whole manufacturing process and the manufacturing cost. Composite material supporting columns with different densities are respectively configured in different heat-removing areas, so that the manufacturing cost and heat-removing can be optimally arranged.
Drawings
Fig. 1 is an exploded cross-sectional view of a first metal shell and support pillars according to the present invention.
Fig. 2 is a schematic view of the capillary structure of the present invention combined with a first metal shell.
Fig. 3 is a schematic view of the second metal shell of the present invention combined with the first metal shell.
Fig. 4 is a combined cross-sectional view of the vapor chamber with the composite support column of the present invention.
Fig. 5 is a top view of the vapor chamber with the composite support column of the present invention.
Fig. 6 is a cross-sectional view of another embodiment of the composite supporting 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, an inner surface; 20. 20A, a composite material supporting column; 201, an end face; 202, the other end surface; 21, a metal core; 22, a coating layer; 23, capillary tissue; 30, a capillary structure; 30A, another capillary structure; 31. 31A, perforating; 40, a second metal shell; 41, an inner surface; 50, a fixing layer; 50A, another fixing layer; 60 working fluid; a is adhesive paste; b, another adhesive paste; c, a containing cavity; h1, a main heat-release area; h2, a secondary heat-decomposing area.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1 to 4, the present invention provides a vapor chamber 1 with composite material support pillars, which mainly includes a first metal shell 10, a plurality of composite material support pillars 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 have a geometric shape or an irregular shape according to the environment of various electronic heat sources (not shown), and may be made of a material with good thermal conductivity, such as copper, aluminum, magnesium, or an alloy thereof, and the first metal shell 10 has an inner surface 11.
Each composite material supporting column 20 is arranged on the inner surface 11 of the first metal shell 10 at intervals, each composite material supporting column 20 mainly comprises a metal core 21 and a cladding layer 22 plated on the outer surface of the metal core 21, the bottom of each composite material supporting column 20 is provided with an end surface 201, the top of each composite material supporting column 20 is provided with another end surface 202, and each metal core 21 and the first metal shell 10 are made of different materials. In one embodiment, the material of the metal core 21 is stainless steel, the coating layer 22 is a metal layer made of copper or its alloy with good thermal conductivity, and each coating layer 22 is the same as the first metal shell 10.
The capillary structure 30 can be made of materials with good capillary adsorption force, such as metal woven mesh, porous sintered powder, fiber bundles, etc., and the shape of the capillary structure is approximately similar to that of the first metal shell 10; a through hole 31 is formed in the capillary structure 30 corresponding to each of the composite material supporting pillars 20. During manufacturing, the through holes 31 of the capillary structure 30 are sleeved with the composite material support pillars 20, so that the capillary structure 30 can be entirely covered on 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 copper, aluminum, magnesium or their alloys with good thermal conductivity, and its shape matches 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). During manufacturing, the second metal shell 40 is covered corresponding to the first metal shell 10, and an edge sealing and welding process is performed on a joint of the first metal shell 10 and the second metal shell 40, so that a cavity C (as shown in fig. 4) is formed inside the first metal shell 10 and the second metal shell 40.
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 material support post 20; during manufacturing, an adhesive paste a is applied to the inner surface 11 of the first metal shell 10 and the end surface 201 of each composite material supporting pillar 20, and is bonded to form an adhesive layer 50.
The adhesive paste a is a copper paste made of a copper powder substrate mixed with an adhesive, and the adhesive paste a may be coated on the inner surface 11 of the first metal shell 10 at a predetermined position corresponding to each composite material support pillar 20, or coated on the end surface 201 of each composite material support pillar 20, or both. Then, the end face 201 of each composite material supporting post 20 is erected on the predetermined position of the inner surface 11 of the first metal shell 10, and the adhesive paste a is formed into an adhesive layer 50 through a heating and pressing bonding process.
The working fluid 60, which may be pure water, is injected into the chamber C and a degassing sealing process is performed, thereby forming the chamber C as a vacuum chamber.
In one embodiment, the vapor chamber 1 with the composite support pillar of the present invention further comprises another fixing layer 50A, and the second metal shell 40 has an inner surface 41; during the manufacturing process, another adhesive paste B is coated on the inner surface 41 of the second metal shell 40 at a predetermined position corresponding to each composite material supporting column 20, or another adhesive paste B is coated on the other end surface 202 of each composite material supporting column 20, or both of the two forms. Then, the second metal shell 40 is covered corresponding to the first metal shell 10, and the other end face 202 of each composite material supporting column 20 abuts against the inner surface 41 of the second metal shell 40, and another adhesive paste B is formed into another fixing layer 50A through a heating and pressing bonding process.
Referring to fig. 5 again, in addition to the arrangement of the composite material support pillars 20, the uniform temperature plate 1 with composite material support pillars of the present invention has a main heat-releasing region H1 (within the dotted line region) and a primary heat-releasing region H2 (outside the dotted line region), wherein the main heat-releasing region H1 is configured corresponding to each electronic heat source, the secondary heat-releasing region H2 is formed around the outer periphery of each electronic heat source, and the arrangement density of the composite material support pillars 20 in the main heat-releasing region H1 is greater than that of the composite material support pillars 20 in the secondary heat-releasing region H2.
Referring to fig. 6, except for the above embodiment, each composite supporting column of the uniform temperature plate 1 with composite supporting columns of the present invention further includes a capillary structure 23 covering the periphery of the covering layer 22, the capillary structure 23 can be made of porous sintered powder or fiber bundle with good capillary adsorption, and each composite supporting column 20A is disposed in the main heat-releasing zone H1.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitution or transformation made by the technical personnel in the technical field on the basis of the utility model is within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A vapor chamber having composite support posts, comprising:
a first metal shell having an inner surface;
a plurality of composite support columns arranged on the inner surface of the first metal shell, each composite support column comprises a metal core and a coating layer plated on the metal core, each composite support column is provided with an end face, and each 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 forms a containing cavity together;
a fixing layer formed between the inner surface of the first metal shell and the end surface of each supporting pillar; and
and the working fluid is arranged in the cavity.
2. The vapor chamber with the composite support posts of claim 1, wherein the coating layer is a metal layer, and each metal layer is made of the same material as the first metal shell.
3. The vapor chamber with composite support posts of claim 2, wherein the metal core is made of stainless steel, and the cladding layer and the first metal shell are made of copper.
4. The vapor chamber of claim 1, further comprising an additional anchoring layer, said second metal shell having an inner surface, each of said composite support posts having an additional end surface, said additional anchoring layer being formed between said inner surface of said second metal shell and said additional end surface of each of said composite support posts.
5. The vapor chamber with composite support posts of claim 4, further comprising an additional capillary structure disposed on the inner surface of the second metal shell.
6. The vapor chamber of claim 5, wherein the other capillary structure has a plurality of through holes, each through hole is sleeved with a corresponding one of the composite support posts.
7. The temperature-equalizing plate with composite-material supporting pillars of claim 1, wherein the temperature-equalizing plate has a main heat-releasing region and a secondary heat-releasing region, and the arrangement density of the composite-material supporting pillars in the main heat-releasing region is greater than that of the composite-material supporting pillars in the secondary heat-releasing region.
8. The vapor chamber with composite support posts of claim 1, wherein the capillary structure has a plurality of through holes, each through hole is sleeved with a corresponding composite support post.
9. The vapor chamber of claim 1, wherein each of said composite support posts further comprises a capillary structure surrounding said coating.
10. The temperature-equalizing plate with composite-supporting pillars of claim 9, wherein the temperature-equalizing plate has a main heat-releasing region, and each of the composite-supporting pillars is arranged in the main heat-releasing region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222510675.3U CN218723416U (en) | 2022-09-22 | 2022-09-22 | Temperature-uniforming plate with composite material support pillar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222510675.3U CN218723416U (en) | 2022-09-22 | 2022-09-22 | Temperature-uniforming plate with composite material support pillar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218723416U true CN218723416U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222510675.3U Active CN218723416U (en) | 2022-09-22 | 2022-09-22 | Temperature-uniforming plate with composite material support pillar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218723416U (en) |
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2022
- 2022-09-22 CN CN202222510675.3U patent/CN218723416U/en active Active
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