TWM629670U - Two-phase immersion-cooled fin structure - Google Patents

Abstract

A two-phase immersion-cooled fin structure is provided. The two-phase immersion-cooled fin structure includes a heat-dissipation base layer, a bubble activation layer, and a fin structure. The fin structure and the bubble activation layer both are formed on the heat-dissipation base layer, or the fin structure is formed on the bubble activation layer. The bubble activation layer is immersed in a two-phase cooling liquid for increasing the number of bubbles generated.

Description

Two-phase submerged cooling fin composite structure

The new model relates to a heat dissipation structure, in particular to a two-phase submerged heat dissipation fin composite structure.

Immersion cooling technology is to directly immerse heating elements (such as servers, disk arrays, etc.) in a non-conductive cooling liquid, so as to take away the heat energy generated by the operation of the heating element through the heat absorption and vaporization of the cooling liquid. However, how to dissipate heat more effectively through immersion cooling technology has always been a problem that the industry needs to solve.

In view of this, the creator of this new model has been engaged in the development and design of related products for many years, and feels that the above deficiencies can be improved. He has devoted himself to research and cooperated with the application of academic principles, and finally proposed a new model with reasonable design and effective improvement of the above deficiencies. .

The technical problem to be solved by the present invention is to provide a two-phase submerged heat dissipation fin composite structure in view of the deficiencies of the prior art.

In order to solve the above technical problems, the present invention provides a two-phase immersed heat dissipation fin composite structure, including: a heat dissipation base layer; a bubble activation layer, which is immersed in the two-phase cooling liquid for increasing the generation of bubbles; And a fin structure; wherein, the fin structure and the bubble activation layer are formed on the heat dissipation base layer.

In a preferred embodiment, the bubble activation layer is a porous metal sintered layer formed on the heat dissipation base layer by metal powder sintering and in contact with the fin structure.

In a preferred embodiment, the bubble activation layer is formed by spraying solid-phase metal powder with A porous metal spray layer is sprayed on the heat dissipation base layer and in contact with the fin structure by a coating method.

In a preferred embodiment, the bubble activation layer is a porous metal sintered layer formed on the heat dissipation base layer by metal powder sintering and not in contact with the fin structure.

In a preferred embodiment, the bubble activation layer is a porous metal sprayed layer in which solid phase metal powder is sprayed onto the heat dissipation base layer and not in contact with the fin structure.

In order to solve the above technical problems, the present invention further provides a two-phase immersed heat-dissipating fin composite structure, including: a heat-dissipating base layer; ; and a fin structure; wherein, the bubble activation layer is formed on the heat dissipation base layer, and the fin structure is formed on the bubble activation layer.

In a preferred embodiment, the bubble activation layer is a porous metal sintered layer formed on the heat dissipation base layer by metal powder sintering.

In a preferred embodiment, the bubble activation layer is a porous metal spray coating in which solid phase metal powder is sprayed onto the heat dissipation base layer.

In a preferred embodiment, the bubble activation layer is a porous metal sintered layer formed on the heat dissipation base layer by metal powder sintering and covered with the fin structure.

In a preferred embodiment, the bubble activation layer is a porous metal spray layer in which solid phase metal powder is sprayed onto the heat dissipation base layer and covered with the fin structure.

The beneficial effect of the present invention is at least in that the two-phase immersed heat dissipation fin composite structure provided by the present invention can pass through the "heat dissipation base layer", "bubble activation layer", and "fins". In addition to increasing thermal conductivity, the technical solution of "structure" can greatly increase the number of bubbles formed by the two-phase cooling liquid in the endothermic gasification, thereby greatly enhancing the heat dissipation effect.

For a further understanding of the features and technical contents of the present invention, please refer to the following detailed descriptions and drawings of the present invention. However, the drawings provided are only for reference and description, and are not intended to limit the present invention.

1: heat dissipation base layer

2: bubble activation layer

3: Fin structure

31: Fins

4: Two-phase coolant

FIG. 1 is a schematic side view of a two-phase submerged heat dissipation fin composite structure according to a first embodiment of the novel.

2 is a schematic side view of a two-phase submerged heat dissipation fin composite structure according to a second embodiment of the novel.

3 is a schematic side view of a two-phase submerged heat dissipation fin composite structure according to a third embodiment of the novel.

4 is a schematic side view of a two-phase submerged heat dissipation fin composite structure according to a fourth embodiment of the novel.

The following are specific specific examples to illustrate the related embodiments disclosed by the present invention, and those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are only for simple schematic illustration, and are not drawn according to the actual size, and are stated in advance. The following embodiments will further describe the related technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention. In addition, the term "or", as used herein, should include any one or a combination of more of the associated listed items, as the case may be.

[First Embodiment]

Please refer to FIG. 1 , which is one of the embodiments of the present invention. The embodiment of the present invention provides a two-phase submerged heat dissipation fin composite structure. As shown in FIG. 1 , the two-phase immersed heat dissipation fin composite structure provided according to the novel embodiment basically includes a heat dissipation base layer 1 , a bubble activation layer 2 , and a fin structure 3 .

In this embodiment, the heat dissipation base layer 1 can be used for contacting the heating element, and the heat dissipation substrate 1 can be made of a material with high thermal conductivity, such as aluminum, copper, silver or alloys thereof.

In this embodiment, the fin structure 3 is formed on the heat dissipation base layer 1 . Moreover, the fin structure 3 may include a plurality of fins 31 arranged at intervals and connected to the surface of the heat dissipation base layer 1 . The fins 31 and the heat dissipation base layer 1 can be integrally formed or formed by welding. Moreover, the fins 31 can be made of high thermal conductivity materials, such as aluminum, copper, silver or their alloys.

It is worth mentioning that the two-phase immersed heat dissipation fin composite structure provided by the new embodiment has a bubble activation layer 2 immersed in a two-phase cooling liquid 4 (such as an electronic generated to enhance the cooling effect.

Further, the bubble activation layer 2 provided by the novel embodiment is a porous metal sintered layer formed on the heat dissipation base layer 1 by metal powder sintering and in contact with the fin structure 3 .

Moreover, due to the porous structure inside and on the surface of the porous metal sintered layer, the number of bubbles formed during the endothermic gasification of the two-phase coolant 4 can be greatly increased, thereby greatly enhancing the heat dissipation effect.

Furthermore, the bubble activation layer 2 provided by the novel embodiment can also be a porous metal spray layer in which solid phase metal powder is sprayed onto the heat dissipation base layer 1 and in contact with the fin structure 3 .

In addition, the bubble activation layer 2 provided by the novel embodiment may also be a porous metal coating or a porous metal mesh.

[Second Embodiment]

Please refer to FIG. 2 , which is the second embodiment of the new type. The two-phase immersed heat dissipation fin composite structure of this embodiment is substantially the same as that of the first embodiment. The difference is that the bubble activation layer 2 is formed in the The heat dissipation base layer 1 is not in contact with the fin structure 3 .

Further, in this embodiment, the bubble activation layer 2 is a porous metal sintered layer formed on the heat dissipation base layer 1 by metal powder sintering and not in contact with the fin structure 3 . In addition, the bubble activation layer 2 may also be a porous metal spray layer in which solid phase metal powder is sprayed onto the heat dissipation base layer 1 and not in contact with the fin structure 3 . Since the bubble activation layer 2 is formed on the heat dissipation base layer 1 and is not in contact with the fin structure 3, a plurality of fine channels can be formed between the bubble activation layer 2 and the fin structure 3, Make the gas and liquid circulate.

[Third Embodiment]

Please refer to FIG. 3 , which is the third embodiment of the new type. The two-phase immersed heat dissipation fin composite structure of this embodiment is substantially the same as that of the first embodiment. The difference is that the bubble activation layer 2 is formed in the On the heat dissipation base layer 1 , and the fin structure 3 is formed on the bubble activation layer 2 .

Further, in this embodiment, the bubble activation layer 2 is a porous metal sintered layer formed on the heat dissipation base layer 1 by metal powder sintering. In addition, the bubble activation layer 2 may also be a porous metal spray layer in which solid phase metal powder is sprayed onto the heat dissipation base layer 1 . The bubble activation layer 2 is formed between the heat dissipation base layer 1 and the fin structure 3 to increase the amount of bubbles generated between the heat dissipation base layer 1 and the fin structure 3 to enhance the heat dissipation effect .

[Fourth Embodiment]

Please refer to FIG. 4 , which is a fourth embodiment of the new type. The two-phase immersed heat dissipation fin composite structure of this embodiment is substantially the same as that of the third embodiment. The difference is that the bubble activation layer 2 is formed in the On the heat dissipation base layer 1 , the fin structure 3 is formed on the bubble activation layer 2 , and the surface of the fin structure 3 is also covered by the bubble activation layer 2 .

Further, in this embodiment, the bubble activation layer 2 is a porous metal sintered layer formed on the heat dissipation base layer 1 by metal powder sintering and covered with the fin structure 3 . In addition, the bubble activation layer 2 may also be a porous metal spray layer in which solid phase metal powder is sprayed onto the heat dissipation base layer 1 and covered with the fin structure 3 . The bubble activation layer 2 is formed on the heat dissipation base layer 1 and covered with the fin structure 3, so as to further increase the amount of bubbles generated in the fin area to enhance the heat dissipation effect.

Based on the above, the two-phase immersed heat dissipation fin composite structure provided by the present invention can pass the technical solutions of "heat dissipation base layer 1", "bubble activation layer 2", and "fin structure 3", in addition to increasing The thermal conductivity can greatly increase the number of bubbles formed by the two-phase cooling liquid in the endothermic gasification, thereby greatly enhancing the heat dissipation effect.

The contents disclosed above are only the preferred and feasible embodiments of the present invention, and are not intended to limit the scope of the patent application of the present invention. Therefore, any equivalent technical changes made by using the contents of the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

1: heat dissipation base layer

2: bubble activation layer

3: Fin structure

31: Fins

4: Two-phase coolant

Claims (10)

A two-phase submerged heat dissipation fin composite structure, comprising: a heat dissipation base layer; a bubble activation layer, which is immersed in a two-phase cooling liquid for increasing the generation of bubbles; and a fin structure; wherein, the The fin structure and the bubble activation layer are formed on the heat dissipation base layer, and the fin structure penetrates the bubble activation layer. The two-phase immersion heat dissipation fin composite structure according to claim 1, wherein the bubble activation layer is formed on the heat dissipation base layer by metal powder sintering and is in contact with the fin structure. Metal sintered layer. The two-phase immersion heat dissipation fin composite structure according to claim 1, wherein the bubble activation layer is sprayed with solid phase metal powder on the heat dissipation base layer and in contact with the fin structure A porous metal spray coating. The two-phase immersion heat dissipation fin composite structure according to claim 1, wherein the bubble activation layer is a hole formed on the heat dissipation base layer by metal powder sintering and not in contact with the fin structure sintered metal layer. The two-phase immersed heat dissipation fin composite structure according to claim 1, wherein the bubble activation layer is formed by spraying solid-phase metal powder onto the heat dissipation base layer and does not contact the fin structure of a porous metal spray coating. A two-phase submerged heat dissipation fin composite structure, comprising: a heat dissipation base layer; A bubble activation layer, which is immersed in a two-phase cooling liquid, for increasing the generation amount of bubbles; and a fin structure; wherein, the bubble activation layer is formed on the heat dissipation base layer, and the fins Structures are formed over the bubble activation layer. The two-phase immersed heat dissipation fin composite structure according to claim 6, wherein the bubble activation layer is a porous metal sintered layer formed on the heat dissipation base layer by metal powder sintering. The two-phase immersed heat dissipation fin composite structure according to claim 6, wherein the bubble activation layer is a porous metal spray layer in which solid phase metal powder is sprayed onto the heat dissipation base layer. The two-phase submerged heat dissipation fin composite structure according to claim 6, wherein the bubble activation layer is formed on the heat dissipation base layer by metal powder sintering and covers a hole of the fin structure sintered metal layer. The two-phase immersed heat dissipation fin composite structure according to claim 6, wherein the bubble activation layer is formed by spraying solid phase metal powder onto the heat dissipation base layer and covering the fin structure of a porous metal spray coating.

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