CN111629559A - Liquid cooling heat dissipation plate based on three-dimensional cooling flow channel and machining method thereof - Google Patents
Liquid cooling heat dissipation plate based on three-dimensional cooling flow channel and machining method thereof Download PDFInfo
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- CN111629559A CN111629559A CN202010354485.XA CN202010354485A CN111629559A CN 111629559 A CN111629559 A CN 111629559A CN 202010354485 A CN202010354485 A CN 202010354485A CN 111629559 A CN111629559 A CN 111629559A
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- 238000001816 cooling Methods 0.000 title claims abstract description 162
- 239000007788 liquid Substances 0.000 title claims abstract description 117
- 238000003754 machining Methods 0.000 title claims abstract description 9
- 230000017525 heat dissipation Effects 0.000 title claims description 9
- 238000000034 method Methods 0.000 title claims description 8
- 238000005192 partition Methods 0.000 claims abstract description 67
- 238000003801 milling Methods 0.000 claims abstract description 27
- 238000005553 drilling Methods 0.000 claims abstract description 15
- 238000003672 processing method Methods 0.000 claims abstract description 8
- 239000000110 cooling liquid Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims 1
- 241000270295 Serpentes Species 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010622 cold drawing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20254—Cold plates transferring heat from heat source to coolant
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20327—Accessories for moving fluid, for connecting fluid conduits, for distributing fluid or for preventing leakage, e.g. pumps, tanks or manifolds
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20509—Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
A liquid cooling panel based on a three-dimensional cooling runner comprises a liquid cooling shell, wherein runner partition plates distributed in an array mode are arranged inside the liquid cooling shell and are used for dividing the inside of the liquid cooling shell into a plurality of chambers; the inner chambers of the liquid cooling shell are mutually communicated to form a cooling flow channel which is distributed in a snake shape in the vertical direction; mounting plates with outward folded edges are arranged at two side edges of the liquid cooling shell, locking screws penetrate through the internal threads of the mounting plates, and the locking screws are used for assembling the two liquid cooling shells into an annular cold plate; and liquid cooling joints are arranged on two side edges of the liquid cooling shell and communicated with the cooling flow channel. The processing mode of drilling and milling in the vertical direction can ensure that the plate is more convenient to clamp and position and the machining is also simple and convenient; the processing method provided by the invention can be used for quickly, simply and conveniently processing the serpentine cooling flow channel distributed in the vertical direction, and the processing cost is low.
Description
Technical Field
The invention belongs to the technical field of computer heat dissipation equipment, and particularly relates to a liquid cooling heat dissipation plate based on a three-dimensional cooling flow channel and a processing method thereof.
Background
Most of the existing liquid cooling cold plates are flat plates, most of the flow channels are snake-shaped flow channels, the flat plates are placed on a clamp, then the snake-shaped flow channels are machined by using a machine tool, the plane type machining method is convenient to clamp, position and machine, the flow channels are easy to machine and seal and weld, and the technology is mature;
when the three-dimensional cooling flow channel distributed in the vertical direction needs to be processed, the plate is not planar, the positioning and processing are troublesome through the existing process, the flow channel is difficult to form, the machining is difficult, and the process difficulty and the product cost are high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a liquid cooling heat dissipation plate based on a three-dimensional cooling flow channel and a processing method thereof, and the specific technical scheme is as follows:
a liquid cooling panel based on a three-dimensional cooling runner comprises a liquid cooling shell, wherein runner partition plates distributed in an array mode are arranged inside the liquid cooling shell and are used for dividing the inside of the liquid cooling shell into a plurality of chambers; the adjacent runner partition plates are arranged at intervals in a staggered mode, and internal chambers of the liquid cooling shell are communicated with each other to form cooling runners distributed in a serpentine mode in the vertical direction;
mounting plates with outward folded edges are arranged at two side edges of the liquid cooling shell, locking screws penetrate through the internal threads of the mounting plates, and the locking screws are used for assembling the two liquid cooling shells into an annular cold plate; two side edges of the liquid cooling shell are respectively provided with a liquid cooling joint, and the liquid cooling joints are communicated with the cooling flow channel; the liquid cooling joint is used for realizing the circulating flow of cooling liquid.
Further, the runner baffle includes first runner baffle, second runner baffle, first runner baffle with the structure is the same between the second runner baffle, first runner baffle the length of second runner baffle all is less than the height of liquid cooling casing, first runner baffle with interval dislocation set between the second runner baffle, the top of first runner baffle with the top parallel and level of liquid cooling casing, the bottom of second runner baffle with the bottom parallel and level of liquid cooling casing, it is adjacent top opening between the first runner baffle is equipped with runner cover plate, and is adjacent bottom opening part between the second runner baffle is equipped with runner cover plate down.
Furthermore, the top side of the first flow channel partition plate is a stepped surface, and the bottom side of the second flow channel partition plate is a stepped surface.
Further, the liquid cooling shell comprises an outer arc plate and an inner arc plate; horizontal outer folding plates are bent outwards at two ends of the outer arc plate, horizontal inner folding plates are bent outwards at two ends of the inner arc plate, the outer folding plates and the inner folding plates are fixed to form the mounting plate integrally, the flow channel partition plate is welded to the outer wall of the inner arc plate, and the outer wall of the flow channel partition plate is tightly attached to the inner wall of the outer arc plate; and sealing elements are filled between the outer folded plate and the inner folded plate, and sealing elements are filled between the flow channel partition plate and the outer arc plate.
A processing method of a liquid cooling heat dissipation plate based on a three-dimensional cooling flow channel comprises the following steps:
s1, drilling a vertical hole:
s1.1, mounting a semi-arc solid liquid cooling plate on a fixture of a drilling machine;
s1.2, driving the twist drill to vertically move downwards by the drilling machine, and forming vertical holes distributed in an annular array in the liquid cooling plate by the twist drill; the parts of the liquid cooling plate, which are arranged on the two sides of the vertical hole, are a first flow channel clapboard and a second flow channel clapboard; the vertical hole is positioned between the first flow passage partition plate and the second flow passage partition plate;
s1.3, drilling flow guide holes in the middle of two side surfaces of the liquid cooling plate, wherein the flow guide holes are communicated with vertical holes at the end parts;
s2, machining a cooling flow channel:
s2.1, transferring the liquid cooling plate processed in the S1.3 to a milling machine fixture;
s2.2, the milling machine drives the milling cutter to move downwards, and the milling cutter gradually mills off the end part of the second flow channel partition plate; after the first connecting hole is milled, stopping the action, and communicating one end of each two adjacent vertical holes through the first connecting hole;
s2.3, processing an annular step surface at the end part of the first flow passage partition plate by using a milling cutter;
s2.4, inverting the liquid cooling plate, and processing the other surface of the liquid cooling plate;
s2.5, gradually milling the end part of the first flow channel partition plate by using a milling cutter, stopping the operation after a second communicating hole is milled, communicating the other ends of two adjacent vertical holes by using the second communicating hole, and distributing the second communicating hole and the first communicating hole in a staggered manner; at the moment, cooling channels distributed in a serpentine shape in the vertical direction can be processed;
s2.6, processing an annular step surface at the end part of the second flow passage partition plate by using a milling cutter, and S3, sealing and assembling:
an upper runner cover plate is fixed at an opening at the top end of the cooling runner, and a lower runner cover plate is fixed at an opening at the bottom end of the cooling runner;
and liquid cooling joints are arranged in the two flow guide holes.
Furthermore, the upper flow channel cover plates are sealed and welded at the top end openings between the adjacent first flow channel partition plates in a staggered mode, and the upper flow channel cover plates are embedded into the top end step surfaces of the first flow channel partition plates.
Furthermore, the lower flow channel cover plates are sealed and welded at the top end openings between the adjacent second flow channel partition plates in a staggered mode, and the lower flow channel cover plates are embedded into the bottom end step surfaces of the second flow channel partition plates.
The invention has the beneficial effects that:
1. the processing mode of drilling and milling in the vertical direction can make the plate clamping and positioning more convenient and the machining simple and convenient;
2. the processing method provided by the invention can be used for quickly, simply and conveniently processing the serpentine cooling flow channel distributed in the vertical direction, has low processing cost and is suitable for the processing requirements of plates with various shapes.
Drawings
Fig. 1 is a schematic structural diagram of a liquid cooling plate based on a three-dimensional cooling flow channel according to the present invention;
FIG. 2 illustrates an annular cold plate configuration of the present invention;
fig. 3 is a schematic bottom view of a liquid cooling plate based on a three-dimensional cooling flow channel according to the present invention;
fig. 4 is a schematic top view of a liquid cooling plate based on a three-dimensional cooling flow channel according to the present invention;
FIG. 5 is a schematic view of a first step cooling channel fabrication of the present invention;
FIG. 6 shows a schematic top cross-sectional structural view of FIG. 5;
FIG. 7 is a schematic view of a second step of the cooling channel fabrication of the present invention;
FIG. 8 is a schematic view of a third step in the fabrication of the cooling flow passages of the present invention;
FIG. 9 is a fourth step of the cooling channel fabrication of the present invention;
shown in the figure: 1. liquid cooling casing, 11, mounting panel, 2, cooling runner, 3, circulation baffle, 31, first runner baffle, 32, second runner baffle, 4, upper runner apron, 5, liquid cooling joint, 6, locking screw, 7, lower runner apron.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A liquid cooling panel based on a three-dimensional cooling runner comprises a liquid cooling shell 1, wherein runner partition plates 3 distributed in an array mode are arranged inside the liquid cooling shell 1, and the runner partition plates 3 are used for dividing the inside of the liquid cooling shell 1 into a plurality of chambers; the adjacent flow passage partition plates 3 are arranged at intervals in a staggered mode, and the inner chambers of the liquid cooling shell 1 are communicated with each other to form cooling flow passages 2 distributed in a snake shape in the vertical direction; the cooling flow channel 2 is a flow area of cooling liquid, and the serpentine distribution in the vertical direction can effectively prolong the flow path of the cooling liquid and improve the coverage of the cooling liquid;
mounting plates 11 with outward folded edges are arranged at two side edges of the liquid cooling shell 1, locking screws 6 penetrate through the internal threads of the mounting plates 11, and the locking screws 6 are used for assembling the two liquid cooling shells into an annular cold plate; the two liquid cooling shells 1 can be assembled into a whole through the locking screw 6, and the annular cold plate can be integrally arranged outside an object to form a circular ring surface for covering and cooling;
two sides of the liquid cooling shell 1 are provided with liquid cooling joints 5, and the liquid cooling joints 5 are communicated with the cooling flow channel 2; the liquid cooling joint 5 is used for realizing the circulating flow of cooling liquid; two liquid cooling connects 5 can realize the liquid inflow and the outflow of arc cold drawing, realize the liquid circulation of cold drawing.
As an improvement of the above technical solution, the flow channel partition plate 3 includes a first flow channel partition plate 31 and a second flow channel partition plate 32, the first flow channel partition plate 31 and the second flow channel partition plate 32 have the same structure, the lengths of the first flow channel partition plate 31 and the second flow channel partition plate 32 are both smaller than the height of the liquid cooling housing 1, the first flow channel partition plate 31 and the second flow channel partition plate 32 are arranged at intervals in a staggered manner, the top end of the first flow channel partition plate 31 is flush with the top end of the liquid cooling housing 1, and the bottom end of the second flow channel partition plate 32 is flush with the bottom end of the liquid cooling housing 1; the first flow passage partition plate 31 and the second flow passage partition plate 32 which are arranged in a staggered mode can form the serpentine cooling flow passage 2, so that liquid can stably and rapidly move up and down in a circulating mode;
an upper flow channel cover plate 4 is arranged at the top end opening between the adjacent first flow channel partition plates 31, and a lower flow channel cover plate 7 is arranged at the bottom end opening between the adjacent second flow channel partition plates 32; the upper flow channel cover plate 4 and the lower flow channel cover plate 7 can seal the upper surface and the lower surface of the cooling flow channel 2, and liquid is ensured to circularly flow in the cooling flow channel 2.
As an improvement of the above technical solution, the side surfaces of the top ends of the first flow channel partition plates 31 are all stepped surfaces, and the side surfaces of the bottom ends of the second flow channel partition plates 32 are all stepped surfaces; the matching surface of the flow channel cover plate and the flow partition plate can be increased through the stepped surface, the sealing effect of the cover plate is better, the cover plate can be embedded into the liquid cooling shell 1, the cover plate and the liquid cooling shell 1 are parallel and level to be arranged, and the flatness of the outer surface of the liquid cooling shell is guaranteed.
A processing method of a liquid cooling heat dissipation plate based on a three-dimensional cooling runner comprises the following steps:
exemplarily, the liquid cooling heat sink is semicircular as a whole:
as shown in fig. 5, S1, vertical holes are drilled:
s1.1, mounting a semi-arc solid liquid cooling plate on a fixture of a drilling machine;
s1.2, driving the twist drill to vertically move downwards by the drilling machine, and forming vertical holes 21 distributed in an annular array in the liquid cooling plate by the twist drill; the parts of the liquid cooling plates, which are arranged on the two sides of the vertical hole 21, are a first flow passage partition plate 31 and a second flow passage partition plate 32; the vertical hole 21 is positioned between the first flow passage partition plate 31 and the second flow passage partition plate 32; the step is used for vertically drilling each independent vertical hole, the step is simple and convenient to process, and the simple drilling machine can complete the step;
s1.3, drilling flow guide holes in the middle of two side surfaces of the liquid cooling plate, wherein the flow guide holes are communicated with the vertical holes 21 at the end parts; the diversion hole is a pre-installed hole of the liquid cooling joint 5; two sides of the diversion hole are provided with two diversion holes;
s2, machining a cooling flow channel:
s2.1, transferring the liquid cooling plate processed in the S1.3 to a milling machine fixture;
s2.2, the milling machine drives the milling cutter to move downwards, and the milling cutter gradually mills off the end part of the second flow passage partition plate 32; after the first connecting hole 22 is milled, stopping the motion, and communicating one ends of the two adjacent vertical holes 21 through the first connecting hole 22;
s2.3, processing an annular step surface at the end part of the first flow passage partition plate 31 by using a milling cutter; the step is used for processing a step column at the top end of the first flow passage partition plate 31 to form a step surface, so that the cover plate is matched more tightly;
s2.4, inverting the liquid cooling plate, and processing the other surface of the liquid cooling plate;
s2.5, gradually milling the end part of the first flow channel partition plate by using a milling cutter, stopping the operation after a second communicating hole is milled, communicating the other ends of two adjacent vertical holes by using the second communicating hole, and distributing the second communicating hole and the first communicating hole in a staggered manner; at the moment, cooling channels distributed in a serpentine shape in the vertical direction can be processed; the processing mode of the milling cutter is simple, and the action program is also simple to set;
s2.6, processing an annular step surface at the end part of the second flow passage partition plate 32 by using a milling cutter; the step is used for processing a stepped column at the top end of the second flow passage partition plate 32 to form a stepped surface, so that the cover plate is matched more tightly;
s3, sealing and assembling:
an upper runner cover plate 4 is fixed at an opening at the top end of the cooling runner 2, and a lower runner cover plate 7 is fixed at an opening at the bottom end of the cooling runner 2; the upper flow channel cover plates are sealed and welded at the top end openings between the adjacent first flow channel partition plates in a staggered manner, and the upper flow channel cover plates are embedded at the top end step surfaces of the first flow channel partition plates; the lower runner cover plates are sealed and welded at the top end openings between the adjacent second runner partition plates in a staggered manner, and the lower runner cover plates are embedded at the bottom end step surfaces of the second runner partition plates; the upper opening and the lower opening of the cooling flow channel 2 can be sealed through the upper flow channel cover plate and the lower flow channel cover plate, so that liquid leakage is prevented, and the liquid can only flow in the cooling flow channel 2; the cover plate can be embedded into the liquid cooling plate, so that the cover plate and the liquid cooling plate are arranged in a flush manner, and the flatness of the outer surface of the liquid cooling plate is ensured;
and the two flow guide holes are internally provided with a liquid cooling joint 5.
The processing steps are not only suitable for processing the circular heat dissipation plate, but also suitable for processing various polygonal internal cooling flow channels.
When the annular cold plate works, the annular cold plate is arranged outside a workpiece, cooling liquid in the liquid storage tank enters the cooling flow channel 2 through the liquid cooling connector 5 at one end, and then the liquid flows up and down in the cooling flow channel 2 distributed in a serpentine shape in the vertical direction, so that heat generated by the workpiece is absorbed by the cooling liquid, the cooling effect is achieved, and when the liquid leaves the cooling flow channel 2, the liquid leaves through the liquid cooling connector 5 at the other end and enters the liquid storage tank again.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a liquid cooling heating panel based on three-dimensional cooling runner which characterized in that: the liquid cooling device comprises a liquid cooling shell, wherein runner partition plates distributed in an array manner are arranged in the liquid cooling shell and are used for dividing the interior of the liquid cooling shell into a plurality of chambers; the adjacent runner partition plates are arranged at intervals in a staggered mode, and internal chambers of the liquid cooling shell are communicated with each other to form cooling runners distributed in a serpentine mode in the vertical direction;
mounting plates with outward folded edges are arranged at two side edges of the liquid cooling shell, locking screws penetrate through the internal threads of the mounting plates, and the locking screws are used for assembling the two liquid cooling shells into an annular cold plate; two side edges of the liquid cooling shell are respectively provided with a liquid cooling joint, and the liquid cooling joints are communicated with the cooling flow channel; the liquid cooling joint is used for realizing the circulating flow of cooling liquid.
2. The liquid cooling panel according to claim 1, wherein: the runner baffle includes first runner baffle, second runner baffle, first runner baffle with the structure is the same between the second runner baffle, first runner baffle the length of second runner baffle all is less than the height of liquid cooling casing, first runner baffle with interval dislocation set between the second runner baffle, the top of first runner baffle with the top parallel and level of liquid cooling casing, the bottom of second runner baffle with the bottom parallel and level of liquid cooling casing, adjacent top opening between the first runner baffle is equipped with runner cover plate, and is adjacent bottom opening part between the second runner baffle is equipped with runner cover plate down.
3. The liquid cooling panel according to claim 2, wherein: the top side of the first flow channel partition plate is a stepped surface, and the bottom side of the second flow channel partition plate is a stepped surface.
4. A processing method of a liquid cooling heat dissipation plate based on a three-dimensional cooling flow channel is characterized by comprising the following steps: the processing method comprises the following steps:
s1, drilling a vertical hole:
s1.1, mounting a semi-arc solid liquid cooling plate on a fixture of a drilling machine;
s1.2, driving the twist drill to vertically move downwards by the drilling machine, and forming vertical holes distributed in an annular array in the liquid cooling plate by the twist drill; the parts of the liquid cooling plate, which are arranged on the two sides of the vertical hole, are a first flow channel clapboard and a second flow channel clapboard; the vertical hole is positioned between the first flow passage partition plate and the second flow passage partition plate;
s1.3, drilling flow guide holes in the middle of two side surfaces of the liquid cooling plate, wherein the flow guide holes are communicated with vertical holes at the end parts;
s2, machining a cooling flow channel:
s2.1, transferring the liquid cooling plate processed in the S1.3 to a milling machine fixture;
s2.2, the milling machine drives the milling cutter to move downwards, and the milling cutter gradually mills off the end part of the second flow channel partition plate; after the first connecting hole is milled, stopping the action, and communicating one end of each two adjacent vertical holes through the first connecting hole;
s2.3, processing an annular step surface at the end part of the first flow passage partition plate by using a milling cutter;
s2.4, inverting the liquid cooling plate, and processing the other surface of the liquid cooling plate;
s2.5, gradually milling the end part of the first flow channel partition plate by using a milling cutter, stopping the operation after a second communicating hole is milled, communicating the other ends of two adjacent vertical holes by using the second communicating hole, and distributing the second communicating hole and the first communicating hole in a staggered manner; at the moment, cooling channels distributed in a serpentine shape in the vertical direction can be processed;
s2.6, processing an annular step surface at the end part of the second flow passage partition plate by a milling cutter,
s3, sealing and assembling:
an upper runner cover plate is fixed at an opening at the top end of the cooling runner, and a lower runner cover plate is fixed at an opening at the bottom end of the cooling runner;
and liquid cooling joints are arranged in the two flow guide holes.
5. The method for processing a liquid cooling panel based on a three-dimensional cooling channel as claimed in claim 4, wherein: the upper flow channel cover plates are sealed and welded at the top end openings between the adjacent first flow channel partition plates in a staggered mode, and the upper flow channel cover plates are embedded into the top end step surfaces of the first flow channel partition plates.
6. The method for processing a liquid cooling panel based on a three-dimensional cooling channel as claimed in claim 4, wherein: the lower runner cover plates are sealed and welded at the top end openings between the adjacent second runner partition plates in a staggered mode, and the lower runner cover plates are embedded into the bottom end step surfaces of the second runner partition plates.
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| CN202010354485.XA CN111629559A (en) | 2020-04-29 | 2020-04-29 | Liquid cooling heat dissipation plate based on three-dimensional cooling flow channel and machining method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996217A (en) * | 2021-12-31 | 2022-02-01 | 浙江汉信科技有限公司 | High-speed dispersion machine |
| CN115426832A (en) * | 2022-08-10 | 2022-12-02 | 中国电子科技集团公司第二十九研究所 | Welding-free spliced shunting cold plate structure and liquid cooling case |
| CN115426832B (en) * | 2022-08-10 | 2024-06-04 | 中国电子科技集团公司第二十九研究所 | Welding-free spliced split-flow cooling plate structure and liquid cooling machine box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100252235A1 (en) * | 2007-11-26 | 2010-10-07 | Kabushiki Kaisha Toyota Jidoshokki | Liquid-cooled-type cooling device |
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|---|---|---|---|---|
| CN113996217A (en) * | 2021-12-31 | 2022-02-01 | 浙江汉信科技有限公司 | High-speed dispersion machine |
| CN113996217B (en) * | 2021-12-31 | 2022-08-12 | 浙江汉信科技有限公司 | High-speed dispersion machine |
| CN115426832A (en) * | 2022-08-10 | 2022-12-02 | 中国电子科技集团公司第二十九研究所 | Welding-free spliced shunting cold plate structure and liquid cooling case |
| CN115426832B (en) * | 2022-08-10 | 2024-06-04 | 中国电子科技集团公司第二十九研究所 | Welding-free spliced split-flow cooling plate structure and liquid cooling machine box |
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