CN110081761B - Efficient heat dissipation structure of double-sided liquid cooling channel and manufacturing method thereof - Google Patents
Efficient heat dissipation structure of double-sided liquid cooling channel and manufacturing method thereof Download PDFInfo
- Publication number
- CN110081761B CN110081761B CN201910478932.XA CN201910478932A CN110081761B CN 110081761 B CN110081761 B CN 110081761B CN 201910478932 A CN201910478932 A CN 201910478932A CN 110081761 B CN110081761 B CN 110081761B
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- round
- groove
- cover plate
- liquid cooling
- cooling channel
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- 239000007788 liquid Substances 0.000 title claims abstract description 82
- 238000001816 cooling Methods 0.000 title claims abstract description 76
- 230000017525 heat dissipation Effects 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title description 7
- 238000003466 welding Methods 0.000 claims abstract description 15
- 238000005219 brazing Methods 0.000 claims abstract description 9
- 238000009792 diffusion process Methods 0.000 claims abstract description 9
- 238000004806 packaging method and process Methods 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 239000000110 cooling liquid Substances 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract 2
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
- F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
- F28F9/264—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators by sleeves, nipples
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
- F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
- F28F9/268—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators by permanent joints, e.g. by welding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
A high-efficient heat-dissipating structure of two-sided liquid cooling channel and its preparation method, involve a hollow liquid cooling plate structure and its preparation method, there are round slots A (4) in the centre part of the board surface A (3) that the top of the flat plate (6) is equipped with, the tank bottom of the round slot A (4) surrounds the screw A (8) to be equipped with the liquid cooling channel A (9), there are round slots B (15) in the centre part of the board surface B (18) that the bottom of the flat plate (6) is equipped with, the round cover plate A (1) is placed in the round slot A (4), the round cover plate B (12) is placed in the round slot B (15); according to the invention, the vacuum brazing or diffusion welding is used for packaging the contact parts of the two round cover plates and the two round grooves, and finally friction stir welding is used for packaging the gaps respectively appearing on the two opposite sides of the flat plate after the two round cover plates are placed in the two round grooves, so that the purposes that the gaps between the round cover plates and the flat plate are not easy to leak and the round cover plates are not easy to bulge are achieved.
Description
Technical Field
The invention relates to a hollow liquid cooling plate structure and a manufacturing method thereof, in particular to a high-efficiency heat dissipation structure of a double-sided liquid cooling channel and a manufacturing method thereof.
Background
Along with the progress of scientific technology, miniaturization and compactness of various precise instruments are the development trend, but the heat dissipation of the miniaturized and compact precise instruments is always a difficult problem of research, because the heat radiator is generally installed inside the precise instruments, and the heat radiator needs to occupy a larger space, so that the volume of the precise instruments is increased intangibly; the traditional solution is generally to set the outer box of precision instrument to hollow structure, cool down the precision instrument of inside through the coolant liquid that sets up in the outer box of cavity, because the cooling coolant liquid in the outer box of cavity needs circulation flow, can produce certain pressure, make the liquid cooling apron junction appear the seepage problem easily after cold and hot circulation, and complicated and comparatively concentrated liquid cooling passageway is difficult to operate when machining, the apron of liquid cooling passageway not only is difficult to make but also is difficult to cover when covering the liquid cooling passageway, bulge phenomenon appears very easily, lead to the cooling effect to reduce, when the both sides that need install the baffle in the outer box of cavity additional dispel the heat respectively to the box in, the seepage problem that reduces liquid cooling apron junction and appear just becomes more important.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a high-efficiency heat dissipation structure of a double-sided liquid cooling channel and a manufacturing method thereof, wherein the two circular cover plates and the two circular grooves are respectively contacted with each other by vacuum brazing or diffusion welding, and finally, the two circular cover plates are respectively packaged by friction stir welding on gaps which are respectively formed on the two opposite sides of a flat plate after being placed in the two circular grooves, so that the purposes of not only ensuring that the gaps between the circular cover plates and the flat plate are not easy to leak, but also ensuring that the circular cover plates are not easy to bulge are achieved.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
a high-efficiency heat dissipation structure of double-sided liquid cooling channel comprises a round cover plate A, a flat plate and a round cover plate B, wherein a screw A is arranged at the central part of the bottom surface of the round cover plate A, a screw B is arranged at the central part of the top surface of the round cover plate B, a round groove A is arranged at the central part of the plate surface A arranged at the top of the flat plate, a screw hole A is arranged at the central part of the bottom of the round groove A, a liquid cooling channel A is arranged around the screw hole A at the bottom of the round groove A, the liquid cooling channel A comprises an arc-shaped groove body and a C-shaped groove body, a plurality of arc-shaped groove bodies are arranged at intervals on the annular boundary concentric with the screw hole A, a plurality of C-shaped groove bodies are arranged between the screw hole A and the annular boundary concentric with the screw hole A around the screw hole A, two ends of each arc-shaped groove body are respectively communicated with two adjacent C-shaped groove bodies, the arc-shaped groove bodies and the C-shaped groove bodies are connected end to form a liquid cooling channel A, wherein two ends of the liquid cooling channel A are formed by the arc-shaped groove bodies which are not arranged between the two adjacent C-shaped groove bodies, a round groove B is arranged at the central part of a plate surface B arranged at the bottom of a flat plate, a screw hole B is arranged at the central part of the bottom of the round groove B, the liquid cooling channel B is arranged around the screw hole B at the bottom of the round groove B, the liquid cooling channel B and the liquid cooling channel A are symmetrically arranged, a through perforation is arranged between one end of the liquid cooling channel B and one end of the liquid cooling channel A, a round cover plate A is arranged in the round groove A, the bottom surface of the round cover plate A is contacted with the bottom of the round groove A, the side wall of the round cover plate A is contacted with the side wall of the round groove A, a screw rod A is screwed into the screw hole A, the round cover plate B is arranged in the round groove B, the top surface of the round cover plate B is contacted with the bottom of the round groove B, the screw rod B is screwed into the screw hole B.
The other end of the liquid cooling channel A is provided with a liquid inlet penetrating through the outer wall of the flat plate, and the other end of the liquid cooling channel B is provided with a liquid outlet penetrating through the outer wall of the flat plate;
the round cover plate A and the round groove A are of matched structures, and the round cover plate B and the round groove B are of matched structures;
the screw A and the screw hole A are of matched structures, and the screw B and the screw hole B are of matched structures;
during packaging, the round cover plate A is placed in the round groove A, the screw rod A is screwed into the screw hole A, the bottom surface of the round cover plate A is tightly contacted with the bottom of the round groove A, the side wall of the round cover plate A is contacted with the side wall of the round groove A, the round cover plate B is placed in the round groove B, the screw rod B is screwed into the screw hole B, the top surface of the round cover plate B is tightly contacted with the bottom of the round groove B, the side wall of the round cover plate B is contacted with the side wall of the round groove B, the place where the round cover plate A is contacted with the round groove A is packaged by vacuum brazing or diffusion welding, the place where the round cover plate B is contacted with the round groove B is packaged by vacuum brazing or diffusion welding, finally, the gap which appears at the top of the flat plate is arranged at the back of the round groove A is packaged by friction stir welding, the gap which appears at the bottom of the flat plate is arranged at the back of the round groove B, when in use, the liquid inlet and the liquid outlet are respectively connected with the radiator, the liquid cooling channel A and the liquid cooling channel B are filled with the cooling liquid in the liquid cooling channel B, the cooling liquid is circulated by the radiator, the cooling liquid is enabled to be filled in the liquid cooling channel A and the cooling channel B, the cooling liquid in the cooling channel A and the cooling channel B is filled with the cooling liquid, and the cooling liquid in the cooling channel B is easily filled in the round channel B, and the cooling device and the cooling device is easily and the cooling the problem of the sealing the round cover plate B and the sealing the screw plate B is easily and the sealing the problem is easily can be easily solved by the sealing and the sealing the problem. Due to the adoption of the technical scheme, the invention has the following beneficial effects:
according to the high-efficiency heat dissipation structure of the double-sided liquid cooling channel and the manufacturing method thereof, the round grooves are respectively arranged on the two opposite sides of the flat plate, the liquid cooling channels are respectively arranged at the bottoms of the two round grooves, the two round cover plates are screwed on screw holes respectively arranged at the bottoms of the two round grooves by screw rods respectively arranged on the two round cover plates, the two round cover plates are packaged at the positions where the two round cover plates are contacted with the two round grooves by vacuum brazing or diffusion welding, and finally, the two round cover plates are packaged by friction stir welding at the positions of gaps which are arranged on the two opposite sides of the flat plate after the two round cover plates are arranged in the two round grooves, so that the purposes of not only ensuring that the gaps between the round cover plates and the flat plate leak, but also ensuring that the round cover plates bulge phenomenon after cooling liquid in the liquid cooling channels circulates in a cold and hot mode are achieved; the invention has reasonable structure, good packaging effect, effectively prolonged service life and use effect, and the round liquid cooling channel is favorable for intensively radiating the precision instrument, thereby having wide market prospect.
Drawings
FIG. 1 is a schematic view of an assembled structure of the present invention;
FIG. 2 is a schematic view of the structure of the flat plate of the present invention;
fig. 3 is a schematic structural view of the present invention.
In the figure: 1. a circular cover plate A; 2. a screw A; 3. a panel A; 4. round groove A; 5. an arc-shaped groove body; 6. a flat plate; 7. a C-shaped groove body; 8. a screw hole A; 9. a liquid cooling channel A; 10. a liquid inlet hole; 11. a liquid outlet hole; 12. a circular cover plate B; 13. a screw B; 14. perforating; 15. a circular groove B; 16. a liquid cooling channel B; 17. a screw hole B; 18. panel B.
Description of the embodiments
The invention will be explained in more detail by the following examples, which are not intended to limit the invention thereto, and the purpose of the present invention is to protect all changes and modifications within the scope of the invention;
the high-efficiency heat dissipation structure of the double-sided liquid cooling channel and the manufacturing method thereof are described with reference to figures 1, 2 or 3, and comprise a circular cover plate A1, a flat plate 6 and a circular cover plate B12, wherein a screw A2 is arranged at the central part of the bottom surface of the circular cover plate A1, a screw B13 is arranged at the central part of the top surface of the circular cover plate B12, a circular groove A4 is arranged at the central part of a plate surface A3 arranged at the top of the flat plate 6, a screw hole A8 is arranged at the central part of the bottom of the circular groove A4, a liquid cooling channel A9 is arranged at the bottom of the circular groove A4 around the screw hole A8, the liquid cooling channel A9 comprises an arc-shaped groove body 5 and a C-shaped groove body 7, a plurality of arc-shaped groove bodies 5 are arranged at intervals on a circular ring-shaped boundary concentric with the screw hole A8, a plurality of C-shaped groove bodies 7 are arranged between the screw hole A8 and the circular ring-shaped boundary concentric with the screw hole A8 at intervals, two ends of each arc-shaped groove body 5 are respectively communicated with two adjacent C-shaped groove bodies 7, the arc-shaped groove bodies 5 and the C-shaped groove bodies 7 are connected end to form a liquid cooling channel A9, wherein two ends of the liquid cooling channel A9 are formed by the arc-shaped groove bodies 5 which are not arranged between the two adjacent C-shaped groove bodies 7, a round groove B15 is arranged at the central part of a plate surface B18 arranged at the bottom of a flat plate 6, a screw hole B17 is arranged at the central part of the bottom of the round groove B15, a liquid cooling channel B16 is arranged around the screw hole B17 at the bottom of the round groove B15, the liquid cooling channel B16 and the liquid cooling channel A9 are symmetrically arranged, a through perforation 14 is arranged between one end of the liquid cooling channel B16 and one end of the liquid cooling channel A9, a liquid inlet 10 which penetrates through the outer wall of the flat plate 6 is arranged at the other end of the liquid cooling channel A9, a liquid outlet 11 which penetrates through the outer wall of the flat plate 6 is arranged at the other end of the liquid cooling channel B16, a round cover plate A1 is arranged in the round groove A4, the bottom of the round cover plate A1 is contacted with the bottom of the round groove A4, the side wall of circular apron A1 contacts with the side wall of circular groove A4, in screw A2 spiro union goes into screw A8, circular apron B12 is arranged in circular groove B15, the top surface of circular apron B12 contacts with the tank bottom of circular groove B15, the side wall of circular apron B12 contacts with the side wall of circular groove B15, screw B13 spiro union goes into screw B17 in, circular apron A1 and circular groove A4 are assorted structure, circular apron B12 and circular groove B15 are assorted structure, screw A2 and screw A8 are assorted structure, screw B13 and screw B17 are assorted structure.
When in packaging, the round cover plate A1 is arranged in the round groove A4, the screw A2 is screwed into the screw hole A8, the bottom surface of the round cover plate A1 is tightly contacted with the bottom of the round groove A4, the side wall of the round cover plate A1 is contacted with the side wall of the round groove A4, the round cover plate B12 is arranged in the round groove B15, the screw B13 is screwed into the screw hole B17, the top surface of the round cover plate B12 is tightly contacted with the bottom of the round groove B15, the side wall of the round cover plate B12 is contacted with the side wall of the round groove B15, the part where the round cover plate A1 is contacted with the round groove A4 is packaged by vacuum brazing or diffusion welding, the part where the round cover plate B12 is contacted with the round groove B15 is packaged by vacuum brazing or diffusion welding, finally the gap appearing at the top of the flat plate 6 after the round cover plate A1 is arranged in the round groove A4 is packaged by friction stir welding, and the gap at the bottom of the flat plate 6 after the round cover plate B12 is arranged in the round groove B15 is sealed, when in use, the liquid inlet hole 10 and the liquid outlet hole 11 are respectively connected with a radiator, the liquid cooling channel A9 and the liquid cooling channel B16 communicated with the liquid cooling channel A9 are filled with cooling liquid, the cooling liquid is circulated by the radiator, the cooling liquid in the liquid cooling channel A9 and the liquid cooling channel B16 is used for cooling the precise instruments at two sides in the hollow outer box body, the problem that the round cover plate A1 and the round cover plate B12 are easy to leak after being connected with the flat plate 6 respectively in cold and hot circulation and the problem that the round cover plate A1 and the round cover plate B12 are easy to bulge is solved by the tight fit of the screw A2, the screw hole A8, the screw B13 and the screw hole B17.
The invention is not described in detail in the prior art.
Claims (1)
1. A high-efficiency heat dissipation structure of a double-sided liquid cooling channel is characterized in that: comprises a circular cover plate A (1), a flat plate (6) and a circular cover plate B (12), wherein a screw A (2) is arranged at the central part of the bottom surface of the circular cover plate A (1), a screw B (13) is arranged at the central part of the top surface of the circular cover plate B (12), a circular groove A (4) is arranged at the central part of a plate surface A (3) arranged at the top of the flat plate (6), a screw hole A (8) is arranged at the central part of the bottom of the circular groove A (4), a liquid cooling channel A (9) is arranged at the bottom of the circular groove A (4) around the screw hole A (8), the liquid cooling channel A (9) comprises an arc-shaped groove body (5) and a C-shaped groove body (7), a plurality of arc-shaped groove bodies (5) are arranged at intervals on the circular ring-shaped boundary concentric with the screw hole A (8), a plurality of C-shaped groove bodies (7) are arranged between the circular ring-shaped boundary concentric with the screw hole A (8), two ends of each arc-shaped groove body (5) are respectively communicated with two adjacent C-shaped groove bodies (7), a plurality of liquid cooling channels (9) are formed between the two arc-shaped groove bodies (7) which are connected with each other, wherein the arc-shaped groove A (7) is connected with the arc-shaped groove A (7) at the end of the arc-shaped groove A, a round groove B (15) is formed in the center of a plate surface B (18) formed in the bottom of the flat plate (6), a screw hole B (17) is formed in the center of the groove bottom of the round groove B (15), a liquid cooling channel B (16) is formed around the screw hole B (17) in the groove bottom of the round groove B (15), the liquid cooling channel B (16) and the liquid cooling channel A (9) are symmetrically arranged, a penetrating through hole (14) is formed between one end of the liquid cooling channel B (16) and one end of the liquid cooling channel A (9), the round cover plate A (1) is arranged in the round groove A (4), the bottom surface of the round cover plate A (1) is in contact with the groove bottom of the round groove A (4), the side wall of the round cover plate A (1) is in contact with the side wall of the round groove A (4), the screw A (2) is screwed into the screw hole A (8), the round cover plate B (12) is arranged in the round groove B (15), the top surface of the round cover plate B (12) is in contact with the groove bottom of the round groove B (15), the side wall of the round cover plate B (12) is in contact with the side wall of the round groove B (15), and the screw rod B (13) is screwed into the screw hole B (17);
a liquid inlet hole (10) penetrating through the outer wall of the flat plate (6) is formed in the other end of the liquid cooling channel A (9), and a liquid outlet hole (11) penetrating through the outer wall of the flat plate (6) is formed in the other end of the liquid cooling channel B (16);
the round cover plate A (1) and the round groove A (4) are of matched structures, and the round cover plate B (12) and the round groove B (15) are of matched structures;
the screw A (2) and the screw hole A (8) are of matched structures, and the screw B (13) and the screw hole B (17) are of matched structures;
when in packaging, the round cover plate A (1) is arranged in the round groove A (4), the screw rod A (2) is screwed into the screw hole A (8), the bottom surface of the round cover plate A (1) is tightly contacted with the bottom of the round groove A (4), the side wall of the round cover plate A (1) is contacted with the side wall of the round groove A (4), the round cover plate B (12) is arranged in the round groove B (15), the screw rod B (13) is screwed into the screw hole B (17), the top surface of the round cover plate B (12) is tightly contacted with the bottom of the round groove B (15), the side wall of the round cover plate B (12) is contacted with the side wall of the round groove B (15), and the place where the round cover plate A (1) is contacted with the round groove A (4) is packaged by vacuum brazing or diffusion welding, the method comprises the steps of packaging the contact part of a round cover plate B (12) and a round groove B (15) by vacuum brazing or diffusion welding, finally packaging a gap formed in the top of a flat plate (6) after the round cover plate A (1) is placed in the round groove A (4) by friction stir welding, packaging a gap formed in the bottom of the flat plate (6) after the round cover plate B (12) is placed in the round groove B (15), respectively connecting a liquid inlet hole (10) and a liquid outlet hole (11) with a radiator when the radiator is used, filling cooling liquid in a liquid cooling channel A (9) and a liquid cooling channel B (16) communicated with the liquid cooling channel A (9), the cooling liquid is circulated by a radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910478932.XA CN110081761B (en) | 2019-06-04 | 2019-06-04 | Efficient heat dissipation structure of double-sided liquid cooling channel and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910478932.XA CN110081761B (en) | 2019-06-04 | 2019-06-04 | Efficient heat dissipation structure of double-sided liquid cooling channel and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110081761A CN110081761A (en) | 2019-08-02 |
| CN110081761B true CN110081761B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910478932.XA Active CN110081761B (en) | 2019-06-04 | 2019-06-04 | Efficient heat dissipation structure of double-sided liquid cooling channel and manufacturing method thereof |
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| CN (1) | CN110081761B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085280B (en) * | 2019-06-04 | 2024-07-16 | 洛阳磊佳电子科技有限公司 | Efficient heat dissipation structure of liquid cooling channel and manufacturing method thereof |
| CN112372165B (en) * | 2020-11-30 | 2022-06-17 | 宁波江丰电子材料股份有限公司 | Welding method of target cooling back plate |
| CN112672616A (en) * | 2020-12-31 | 2021-04-16 | 爱美达（上海）热能系统有限公司 | Double-sided heat dissipation liquid cooling plate |
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| CN210004849U (en) * | 2019-06-04 | 2020-01-31 | 洛阳磊佳电子科技有限公司 | High-efficient heat radiation structure of double-sided liquid cooling channels |
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| CN205920762U (en) * | 2016-08-24 | 2017-02-01 | 洛阳磊佳机械有限公司 | Liquid cooling passageway of cavity liquid cooling dustbin body board material |
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| CN110081761A (en) | 2019-08-02 |
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