TWM635520U - Vapor chamber with composite support columns - Google Patents

Abstract

The present invention relates to a vapor chamber with a composite material support column, including a first metal shell, a composite material support column, a capillary structure, a second metal shell, an anchor layer and a working fluid, the first metal shell has an inner surface; the composite The material support column is arranged on the inner surface of the first metal and it includes a metal core and a cladding layer, and the composite material support column has an end surface, wherein the metal core and the first metal shell are made of different materials; the capillary structure is laid on the first metal On the inner surface; the second metal shell is sealed corresponding to the first metal shell and jointly forms a cavity; the fixing layer is formed between the inner surface of the first metal and the end surface of the support column; the working fluid is arranged in the cavity. In this way, it not only has good support and excellent deformation resistance, but also has low material cost.

Description

Vapor chamber with composite support columns

The present invention relates to the technology of a radiator, especially a uniform temperature plate with a support column of composite material.

With the vigorous development and application of network technology, users' requirements for computer startup speed, software reading speed, and photo and video playback speed are constantly increasing. However, with the aforementioned performance and reading speed improvement, The calorific value and temperature of electronic components are also increasing continuously. High temperature will not only cause rapid aging of most electronic components, but also reduce the reading and writing speed of electronic components such as solid-state hard disks. Therefore, how to maintain the working temperature becomes a key issue The applied research topic.

In order to solve the heat dissipation problem of the aforementioned electronic components, the industry has successively developed high-efficiency heat dissipation components such as heat pipes and vapor chambers. Among them, the vapor chamber covers a wide area and has a short heat conduction path. The heat conduction performance is better than that of the heat pipe, so it has gradually become the mainstream component of the heat dissipation of electronic components.

However, most of the components used as the internal support of the chamber are made of copper pillars. Compared with other metal components, these copper pillars are not only softer in texture, but also the price of their materials is lower. The fluctuations are also quite large, so there are related problems such as poor support and poor deformation resistance, and its cost is also quite expensive.

In view of this, the inventor of the present invention aimed at the deficiency of the above-mentioned prior art, devoted himself to research and cooperated with the application of theories, and tried his best to solve the above-mentioned problems, which became the goal of the inventor of the present invention to improve.

One purpose of the present invention is to provide a vapor chamber with a composite support column, which not only has good support and excellent deformation resistance, but also has low material cost.

In order to achieve the above purpose, the present invention provides a vapor chamber with a composite material support column, including a first metal shell, a plurality of composite material support columns, a capillary structure, a second metal shell, an anchor layer and a working Fluid, the first metal shell has an inner surface; each of the composite material support columns is arranged on the inner surface of the first metal shell, and each of the composite material support columns includes a metal core and metal plated on the metal core A cladding layer, and each of the composite support columns has an end surface, wherein each of the metal cores 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 Two metal shells are sealed corresponding to the first metal shell and jointly form a cavity; the fixing layer is formed between the inner surface of the first metal shell and the end surface of each support column; the working fluid is provided in the In the cavity.

The present invention also has the following effects, which greatly simplifies the overall manufacturing process and manufacturing cost through the combination of each fixing layer with each metal shell and each composite support column. Composite support columns with different densities are arranged in different heat dissipation areas, so that both the cost and heat dissipation can be optimally arranged.

The detailed description and technical content of the new model are described below with the accompanying drawings, but the attached drawings are only for reference and illustration, and are not used to limit the new model.

Please refer to Fig. 1 to Fig. 4, the present invention provides a vapor chamber 1 with a composite material support column, which mainly includes a first metal shell 10, a plurality of composite material support columns 20, a capillary structure 30, a second The metal shell 40 , an anchor layer 50 and a working fluid 60 .

The first metal shell 10 can be in a geometric shape or an irregular shape according to the environment in which various electronic heat sources (not shown) are located, and it can be made of materials with good thermal conductivity such as copper, aluminum, magnesium or alloys thereof As a result, the first metal shell 10 has an inner surface 11 .

Each composite material support column 20 is arranged on the inner surface 11 of the first metal shell 10 at intervals, and each composite material support column 20 mainly includes a metal core 21 and a cladding layer 22 plated on the outer surface of the metal core 21, Moreover, the bottom of each composite support column 20 has an end surface 201 , and the top of each composite material support column 20 has another end surface 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, and the coating layer 22 is a metal layer, which is made of copper or its alloy and other materials with good thermal conductivity. 10 is the same material.

The capillary structure 30 can be made of materials with good capillary adsorption such as metal braided mesh, porous sintered powder, and fiber bundles, and its shape is roughly similar to that of the first metal shell 10; The positions of the support columns 20 are respectively provided with a through hole 31 . During manufacture, each perforation 31 of the capillary structure 30 is socketed correspondingly 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 through a thermal diffusion welding process, so that the capillary structure 30 is fixed on the inner surface 11 of the first metal shell 10 .

The second metal shell 40 is also made of materials with good thermal conductivity such as copper, aluminum, magnesium or alloys thereof, and its shape matches the shape of the first metal shell 10. The second metal shell 40 also has an inner surface 41 (such as Figure 4). During production, cover the second metal shell 40 corresponding to the first metal shell 10, and apply sealing welding to the junction of the first metal shell 10 and the second metal shell 40, so that the first metal shell 10 and the second metal shell 40 are welded together. A cavity C (as shown in FIG. 4 ) is formed inside the second metal shell 40 .

The fixing layer 50 is formed between the inner surface 11 of the first metal shell 10 and the end surface 201 of each composite support column 20; during manufacture, an adhesive paste A is applied to the inner surface 11 of the first metal shell 10 and each An end surface 201 of a composite support column 20 is combined to form an anchor layer 50 .

Wherein the adhesive paste A is a copper paste made of copper powder base material mixed with adhesive and other materials, which can apply the adhesive paste A on the inner surface 11 of the first metal shell 10 corresponding to the predetermined position of each composite support column 20 or apply the adhesive paste A on the end surface 201 of each composite support column 20, or a combination of the above two. Next, the end faces 201 of each composite material support column 20 are erected at predetermined positions on the inner surface 11 of the first metal shell 10, and the adhesive paste A is formed into a fixed layer 50 through a combination of heating and pressure. .

The working fluid 60 can be pure water, which is injected into the aforementioned cavity C and subjected to a degassing sealing process, so that the cavity C is formed into a vacuum chamber.

In one embodiment, the vapor chamber 1 with composite support columns of the present invention also includes another fixing layer 50A, and the second metal shell 40 has an inner surface 41; during manufacture, another adhesive paste B is applied to the The inner surface 41 of the second metal shell 40 corresponds to the predetermined position of each composite material support column 20, or another adhesive paste B is applied on the other end surface 202 of each composite material support column 20, or the aforementioned Both types. Then cover the second metal shell 40 corresponding to the first metal shell 10, and the other end surfaces 202 of the composite material support columns 20 are respectively abutted against the inner surface 41 of the second metal shell 40, and bonded by heating and pressing. processing, so that another adhesive paste B is formed into another fixed layer 50A.

Please refer to Fig. 5 again, in which the layout of the composite support columns 20 can be arranged in an equidistant manner, the new type of chamber 1 with composite support columns has a main heat dissipation zone H1 (within the range of the dotted line area) and the primary heat dissipation zone H2 (outside the dotted line area), wherein the main heat dissipation zone H1 corresponds to the configuration of each electronic heat generating source, the secondary heat dissipation zone H2 is formed around the outer periphery of each electronic heat generating source, and the composite support columns of the main heat dissipation zone H1 The arrangement density of 20 is greater than the arrangement density of each composite support column 20 in the secondary heat dissipation zone H2.

Please refer to FIG. 6 , except that the composite support columns of the chamber 1 with composite support columns of the present invention can be as in the above-mentioned embodiment, wherein each composite material support column 20A also includes a cover layer 22 A capillary structure 23 on the peripheral surface, the capillary structure 23 can be made of porous sintered powder or fiber bundles and other materials with good capillary adsorption force, and each support column 20A of composite material is arranged in the aforementioned main heat dissipation zone H1.

To sum up, this new type of chamber with composite material support columns can indeed achieve the expected purpose of use, and solve the lack of conventional knowledge, and because of its novelty and progress, it fully meets the requirements for new patent applications. The application of the Patent Law, please check carefully and grant the patent of this case, so as to protect the rights of new creators.

1: Vapor chamber with composite support columns 10: The first metal shell 11: Inner surface 20, 20A: Composite support column 201: end face 202: the other end face 21: metal core 22: coating layer 23: Capillary 30: capillary structure 30A: another capillary structure 31, 31A: perforation 40: Second metal shell 41: inner surface 50: fixation layer 50A: another anchor layer 60: working fluid A: Adhesive paste B: another sticky paste C: cavity H1: Main cooling zone H2: Secondary heat dissipation zone

Fig. 1 is an exploded cross-sectional view of the first metal shell and each support column of the present invention.

Fig. 2 is a schematic diagram of the capillary structure of the present invention combined with the first metal shell.

Fig. 3 is a schematic diagram of the combination of the second metal shell and the first metal shell of the present invention.

Figure 4 is a sectional view of the combination of the new type of chamber with composite support columns.

Fig. 5 is a top view of the new type of chamber with composite supporting columns.

Fig. 6 is a sectional view of another embodiment of the composite support column of the present invention.

1: Vapor chamber with composite support columns

10: The first metal shell

11: Inner surface

20: Composite support column

201: end face

202: the other end face

21: metal core

22: coating layer

30: capillary structure

30A: another capillary structure

40: Second metal shell

41: inner surface

50: fixation layer

50A: another anchor layer

60: working fluid

C: cavity

Claims (10)

A vapor chamber with composite support columns, comprising: A first metal shell has an inner surface; A plurality of composite material support columns are arranged on the inner surface of the first metal shell, each of the composite material support columns includes a metal core and a cladding layer plated on the metal core, and each of the composite material support The column has an end surface, wherein each of the metal core and the first metal shell is made of different materials; a capillary structure laid on the inner surface of the first metal shell; A second metal shell, sealed corresponding to the first metal shell and jointly forming a cavity; an anchor 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. The temperature chamber with composite support columns as claimed in claim 1, wherein the cladding layer is a metal layer, and each of the metal layers is made of the same material as the first metal shell. According to claim 2, the vapor chamber with composite supporting columns, wherein the metal core is made of stainless steel, and the cladding layer and the first metal shell are made of copper. The vapor chamber with composite material support columns as described in claim 1, which further includes another fixing layer, the second metal shell has an inner surface, and each of the composite material support columns has an other end surface, The other fixing layer is formed between the inner surface of the second metal shell and the other end surface of each composite supporting column. According to claim 4, the temperature chamber with the support column of composite material further includes another capillary structure, and the other capillary structure is laid on the inner surface of the second metal shell. The temperature chamber with composite support columns as claimed in claim 5, wherein the other capillary structure is provided with a plurality of perforations, and each of the perforations is socketed corresponding to each of the composite support columns. The vapor chamber with composite support columns as described in claim 1, wherein the vapor chamber has a main heat dissipation zone and a primary heat dissipation zone, and the arrangement density of each of the composite material support columns in the main heat dissipation zone is greater than that of the secondary heat dissipation zone The arrangement density of the composite support columns in each zone. The temperature chamber with composite support columns as claimed in claim 1, wherein the capillary structure is provided with a plurality of perforations, and each of the perforations is corresponding to each of the composite support columns. The temperature chamber with composite material support columns as claimed in claim 1, wherein each of the composite material support columns further includes a capillary structure covering the peripheral surface of the cladding layer. The vapor chamber with composite material support columns as described in Claim 9, wherein the temperature chamber has a main heat dissipation zone, and each of the composite material support columns is arranged in the main heat dissipation zone.

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