Multi-channel radiator with extremely-small curved surface structure based on wall emptying technology

Abstract

The utility model relates to the field of radiator manufacturing, and provides a multi-channel radiator with an extremely-small curved surface structure based on a wall emptying technology, which comprises a shell, an upper flow collecting channel and a lower flow collecting channel, and a radiating structure is arranged in the shell; the heat dissipation structure comprises a plurality of multi-channel tiny curved surface porous structure units, and the multi-channel tiny curved surface porous structure units are formed in an array mode in the length direction, the width direction and the height direction. Each multi-channel extremely-small-curved-surface porous structure unit comprises a plurality of curved surfaces with different deviation degrees, a solid wall is arranged between every two adjacent curved surfaces, a heat dissipation channel is arranged between every two solid walls, the heat dissipation channels are not communicated with one another, the number of flow channels is increased while the advantages of large surface area and the like of the structure are reserved, and the heat dissipation efficiency is improved. The heat management integration design is promoted, the heat exchange efficiency of cold media and heat media is guaranteed, the radiator is compact in structure and high in heat exchange efficiency, heat management integration is achieved, and meanwhile the heat dissipation efficiency of each flow channel is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to radiator manufacturing field especially is related to a kind of multi-channel minimal surface structure radiator based on wall hollowing technique. BACKGROUND

[0002] With the development of computer and microelectronic technology, the power density of electronic equipment is higher and higher, and the reliability of electronic equipment is hindered by the ability of heat dissipation and maintaining standard temperature limit, and with the decrease of electronic equipment feature size and the increase of power density, the demand for radiator with optimal heat dissipation performance is increasing.

[0003] At present, the design of integrated radiator is mainly based on the mechanical superposition of the flow channel of plate-type radiator, which realizes functional integration but increases the volume or focus, and is not suitable for AI devices with strict space weight limit. With the development of miniaturization of devices and high power of heat sources such as chips, the design requirements of radiator tend to be integrated and multifunctional, so the traditional radiator cannot meet the heat dissipation needs of these electronic devices. SUMMARY

[0004] The utility model aims at providing a kind of multi-channel minimal surface structure radiator based on wall hollowing technique to solve the above-mentioned prior art exists the current multi-flow channel radiator mainly is the mechanical increase of plate-type radiator, surface area is small, and the heat exchange capacity is low problem.

[0005] To achieve the above object, the utility model provides the following scheme: a kind of multi-channel minimal surface structure radiator based on wall hollowing technique, characterized by: including shell, upper collecting flow channel and lower collecting flow channel, upper collecting flow channel and lower collecting flow channel are respectively provided with upper collecting flow port and lower collecting flow port, the shell is provided with heat dissipation structure in;

[0006] The heat dissipation structure is multi-channel minimal surface structure, and the multi-channel minimal surface structure includes a plurality of multi-channel minimal surface porous structure units, which are arrayed along the length, width and height directions.

[0007] Any of the multi-channel minimal surface porous structure units includes a plurality of curved surfaces with different offset degrees, and there is a solid wall between every two adjacent groups of curved surfaces, and a heat dissipation channel is arranged between every two solid walls, and the heat dissipation channels are not communicated with each other.

[0008] Preferably, the upper collecting flow channel and the lower collecting flow channel each consist of three pipes, and the shell is provided with a first upper collecting flow pipe, a second upper collecting flow pipe, a third upper collecting flow pipe, a first lower collecting flow pipe, a second lower collecting flow pipe and a third lower collecting flow pipe.

[0009] Preferably, the curved surface is curved surface one, curved surface two, curved surface three and curved surface four, the first entity wall is arranged between the curved surface one and the curved surface two, the second entity wall is arranged between the curved surface three and the curved surface four, and the first entity wall and the second entity wall form the multi-channel minimal curved surface porous structure unit.

[0010] Preferably, the heat dissipation structure comprises a first heat dissipation channel, a second heat dissipation channel and a third heat dissipation channel which are not communicated with each other.

[0011] The first heat dissipation channel is arranged between the first upper collecting pipe and the first lower collecting pipe, the second heat dissipation channel is arranged between the second upper collecting pipe and the second lower collecting pipe, and the third heat dissipation channel is arranged between the third upper collecting pipe and the third lower collecting pipe.

[0012] Preferably, the thickness of the shell is 0.5 mm.

[0013] Preferably, the diameter of the pipe of the upper collecting channel and the lower collecting channel is 15 mm, and the length of the pipe is 10 mm.

[0014] Preferably, the multi-channel minimal curved surface structure is a Gyroid structure.

[0015] Preferably, the heat dissipation channels are arranged at equal intervals.

[0016] The technical scheme provided by the embodiment of the utility model has the beneficial effects that the multi-channel minimal curved surface structure heat radiator based on the wall hollowing-out technology comprises a shell, an upper collecting channel and a lower collecting channel, a heat dissipation structure is arranged in the shell, the heat dissipation structure is formed by arraying and stacking a plurality of multi-channel minimal curved surface porous structure units along three directions of length, width and height, the minimal curved surface is preferably a Gyroid structure, the number of flow channels is increased while the advantages such as the large surface area of the structure are retained, heat management integrated design is promoted, and the heat exchange efficiency of cold and hot media is ensured, the heat radiator structure provided by the utility model is compact and has high heat exchange efficiency, heat management integration is realized, and the heat dissipation efficiency of each flow channel is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2It is the structural schematic diagram of the multi-channel extremely small curved surface porous structure unit of the utility model;

[0020] Figure 3 It is the fluid passage structure schematic diagram of the utility model;

[0021] Figure 4 It is the main view cross section structure schematic diagram of the third radiating passage of the utility model;

[0022] Figure 5 It is the main view cross section structure schematic diagram of the first radiating passage and the second radiating passage of the utility model.

[0023] 1, shell; 2, upper flow collection passage; 21, upper flow collection port; 211, first upper flow collection pipeline; 212, second upper flow collection pipeline; 213, third upper flow collection pipeline; 3, lower flow collection passage; 31, lower flow collection port; 311, first lower flow collection pipeline; 312, second lower flow collection pipeline; 313, third lower flow collection pipeline; 4, radiating structure; 40, multi-channel extremely small curved surface porous structure unit; 41, curved surface one; 42, left inclined curved surface two; 43, curved surface three; 44, curved surface four; 5, solid wall; 51, first solid wall; 52, second solid wall; 6, radiating passage; 61, first radiating passage; 62, second radiating passage; 63, third radiating passage. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model will be further specifically explained below by examples and in conjunction with the drawings.

[0025] Example 1:

[0026] A multi-channel extremely small curved surface structure radiator based on wall hollowing technology, including shell 1, upper flow collection passage 2 and lower flow collection passage 3, upper flow collection passage 2 and lower flow collection passage 3 are respectively provided with upper flow collection port 21 and lower flow collection port 31, upper flow collection passage 2 and lower flow collection passage 3 are preferably integrally formed or welded on the upper flow collection port 21 and lower flow collection port 31 of shell 1, the shell is provided with radiating structure 4, the wall thickness of shell 1 is 0.5mm, the pipeline diameter of upper flow collection passage 2 and lower flow collection passage 3 is 15mm, and the pipeline length is 10mm;

[0027] The radiating structure 4 is a multi-channel extremely small curved surface structure, the multi-channel extremely small curved surface structure is preferably a Gyroid structure, the heat transfer surface area is increased, the multi-channel extremely small curved surface structure includes a plurality of multi-channel extremely small curved surface porous structure units 40, the multi-channel extremely small curved surface porous structure units 40 are arrayed along the length, width and height directions, the radiating structure 4 is preferably integrally formed by 3D printing, and the shell 1 is preferably connected as an integral structure in a welding mode.

[0028] Any one of the plurality of channel minimum curved surface porous structure unit 40 includes a plurality of different degree of curvature, each two adjacent group of curved surface between the entity wall 5, each two said entity wall 5 is provided with heat dissipation channel 6, the heat dissipation channel 6 is not communicated with each other, each heat dissipation channel is equidistantly arranged, in use, the number of curved surface in the plurality of channel minimum curved surface porous structure unit 40 can be selected according to actual situation, different number of heat dissipation channel 6 is obtained, to adapt to the need of different heat dissipation working condition.

[0029] Embodiment 2:

[0030] Referring to Figure 1 A plurality of channel minimum curved surface structure radiator based on wall hollowing technology, including shell 1, upper and lower header channel 2 and 3, upper and lower header channel 2 and 3 are respectively provided with upper and lower header port 21 and 31, the upper and lower header channel 2 and 3 are respectively composed of three pipes, the shell is provided with first upper header pipe 211, second upper header pipe 212, third upper header pipe 213 and first lower header pipe 311, second lower header pipe 312, third lower header pipe 313;

[0031] The first upper header pipe 211, the second upper header pipe 212, the third upper header pipe 213 and the first lower header pipe 311, the second lower header pipe 312 and the third lower header pipe 313 are preferably integrally formed or welded on the upper and lower header port 21 and 31 of the shell 1, the shell is provided with heat dissipation structure 4, the shell 1 wall thickness is 0.5mm, the pipe diameter of the upper and lower header channel 2 and 3 is 15mm, the pipe length is 10mm;

[0032] The curved surface is curved surface one 41, curved surface two 42, curved surface three 43 and curved surface four 44, the first entity wall 51 is arranged between the curved surface one 41 and the curved surface two 42, the second entity wall 52 is arranged between the curved surface three 43 and the curved surface four 44, the first entity wall 51 and the second entity wall 52 constitute the plurality of channel minimum curved surface porous structure unit 40;

[0033] The heat dissipation structure 4 includes first heat dissipation channel 61, second heat dissipation channel 62 and third heat dissipation channel 63 which are not communicated with each other;

[0034] The first heat dissipation channel 61 is communicated between the first upper header pipe 211 and the first lower header pipe 311, the second heat dissipation channel 62 is communicated between the second upper header pipe 212 and the second lower header pipe 312, and the third heat dissipation channel 63 is communicated between the third upper header pipe 213 and the third lower header pipe 313.

[0035] When in use, the heat exchange medium enters the heat dissipation structure 4 from the upper collecting channel 2, and the heat exchange medium flows out from the heat dissipation channel 6 to enter the lower collecting channel 3, the extremely small curved surface structure is preferably a Gyroid structure, the heat transfer surface area is increased, the number of flow channels is increased, the heat management integrated design is promoted, and the heat exchange efficiency of the cold and hot mediums is ensured, the radiator structure is compact, the heat exchange efficiency is high, the heat management integration is realized, and the heat dissipation efficiency of each flow channel is ensured.

[0036] Finally, it should be pointed out that the above embodiments are only representative examples of the present application. Obviously, the present application is not limited to the above embodiments, but can also have many variations. Any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments shall be considered to fall within the protection scope of the present application.

Claims

1. A multi-channel minimal surface structure heat sink based on wall-voiding technology, characterized by: The shell (1), the upper collecting channel (2) and the lower collecting channel (3), the upper collecting channel (2) and the lower collecting channel (3) are respectively provided with the upper collecting port (21) and the lower collecting port (31), the shell is provided with the heat dissipation structure (4); The heat dissipation structure (4) is a multi-channel minimal surface structure, the multi-channel minimal surface structure comprises a plurality of multi-channel minimal surface porous structure units (40), and the multi-channel minimal surface porous structure units (40) are arrayed along the length, width and height directions. Each of the multi-channel minimal surface porous structure units (40) comprises a plurality of curved surfaces with different offset degrees, there is a solid wall (5) between each two adjacent groups of curved surfaces, and a heat dissipation channel (6) is arranged between each two solid walls (5), and the heat dissipation channels (6) are not communicated with each other.

2. A multi-channel GEM structure heat sink based on the wall hollowing technique according to claim 1, characterized in that: The upper collecting channel (2) and the lower collecting channel (3) each comprise three pipes, and the shell is provided with a first upper collecting pipe (211), a second upper collecting pipe (212), a third upper collecting pipe (213), a first lower collecting pipe (311), a second lower collecting pipe (312) and a third lower collecting pipe (313).

3. A multi-channel Gougerlel heat sink based on the wall- hollowing technique according to claim 2, characterized in that: The curved surface is curved surface one (41), curved surface two (42), curved surface three (43) and curved surface four (44), there is a first solid wall (51) between the curved surface one (41) and the curved surface two (42), there is a second solid wall (52) between the curved surface three (43) and the curved surface four (44), and the first solid wall (51) and the second solid wall (52) constitute the multi-channel minimal surface porous structure unit (40).

4. A multi-channel Gougerlel heat sink based on the wall- hollowing technique according to claim 2, characterized in that: The heat dissipation structure (4) comprises a first heat dissipation channel (61), a second heat dissipation channel (62) and a third heat dissipation channel (63) which are not communicated with each other. The first heat dissipation channel (61) is communicated between the first upper collecting pipe (211) and the first lower collecting pipe (311), the second heat dissipation channel (62) is communicated between the second upper collecting pipe (212) and the second lower collecting pipe (312), and the third heat dissipation channel (63) is communicated between the third upper collecting pipe (213) and the third lower collecting pipe (313).

5. The multi-channel GEM structure heat sink based on the wall hollowing-out technique according to claim 1, characterized in that: The wall thickness of the shell (1) is 0.5 mm.

6. A multi-channel Gougerlel heat sink based on the wall- hollowing technique according to claim 1, characterized in that: The pipe diameter of the upper collecting channel (2) and the lower collecting channel (3) is 15 mm, and the pipe length is 10 mm.

7. The multi-channel GEM structure heat sink based on the wall hollowing technique according to claim 1, characterized in that: The multi-channel minimal surface structure is a Gyroid structure.

8. A multi-channel Gougerlel heat sink based on the wall- hollowing technique according to claim 1, characterized in that: The heat dissipation channels are arranged at equal intervals.

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