CN113701540A - Miniature quick cooling device based on porous water droplet shape Kagome structure - Google Patents
Miniature quick cooling device based on porous water droplet shape Kagome structure Download PDFInfo
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- CN113701540A CN113701540A CN202110938406.4A CN202110938406A CN113701540A CN 113701540 A CN113701540 A CN 113701540A CN 202110938406 A CN202110938406 A CN 202110938406A CN 113701540 A CN113701540 A CN 113701540A
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- shaped
- water drop
- kagome
- hollow
- porous
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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
- 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
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0028—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cooling heat generating elements, e.g. for cooling electronic components or electric devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
Abstract
A miniature rapid cooling device based on a porous water drop-shaped Kagome structure comprises a heat exchange box body structure, wherein an upper baffle and a lower baffle are arranged in the heat exchange box body structure, an upper cooling cavity is formed between the heat exchange box body structure and the upper baffle, a lower cooling cavity is formed between the heat exchange box body structure and the lower baffle, and a hot flow channel is formed between the upper baffle and the lower baffle; porous hollow water drop-shaped Kagome structures which are arranged in a staggered array are arranged in the heat flow channel, hollow cooling pipes with the same structure are arranged in the porous hollow water drop-shaped Kagome structures, and the upper cooling cavity is communicated with the lower cooling cavity through the hollow cooling pipes; the invention has good mechanical property, small volume and convenient and detachable preparation; meanwhile, the arrangement mode of the water drop-shaped Kagome structures can be adjusted or the number of the lattice truss structures can be increased or decreased according to actual needs, and then uniform, rapid and efficient cooling is achieved.
Description
Technical Field
The invention belongs to the technical field of heat exchangers, and particularly relates to a miniature rapid cooling device based on a porous water drop-shaped Kagome structure.
Background
The heat exchanger is an important device for completing heat exchange of cold and hot fluids, and is widely applied to various industrial devices such as chemical industry, energy, power, metallurgy, machinery, aerospace and the like. With the development of 3D printing technology and the appearance of new materials, the complex internal structure of the micro heat exchanger has larger and more free design space, and the lattice truss structure has huge application potential in the rapid cooling occasions of micro precision instruments such as chips, cabinets and the like due to excellent mechanical property and heat exchange property.
With the continuous improvement of the heat load of micro precision instruments such as chips, cases and the like, the common heat exchange structure in the common heat exchanger is difficult to match the technical requirements; meanwhile, some novel heat exchange structures have the defects of overlarge volume, complex preparation process, low heat exchange speed, low heat exchange efficiency and the like.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a miniature rapid cooling device based on a porous water drop-shaped Kagome structure, which has good mechanical property, small volume and convenient and detachable preparation; meanwhile, the arrangement mode of the water drop-shaped Kagome structures can be adjusted or the number of the lattice truss structures can be increased or decreased according to actual needs, and then uniform, rapid and efficient cooling is achieved.
In order to achieve the purpose, the invention adopts the technical scheme that:
a miniature rapid cooling device based on a porous water drop-shaped Kagome structure comprises a heat exchange box body structure 1, wherein an upper baffle 2 and a lower baffle 5 are arranged in the heat exchange box body structure 1, an upper cooling cavity 6 is formed between the heat exchange box body structure 1 and the upper baffle 2, a lower cooling cavity 8 is formed between the heat exchange box body structure 1 and the lower baffle 5, and a heat flow channel 7 is formed between the upper baffle 2 and the lower baffle 5; porous hollow water drop-shaped Kagome structures 3 which are arranged in a staggered array are arranged in the heat flow channel 7, hollow cooling pipes 4 with the same structure are arranged in the porous hollow water drop-shaped Kagome structures 3, and the upper cooling cavity 6 is communicated with the lower cooling cavity 8 through the hollow cooling pipes 4.
The porous hollow water drop-shaped Kagome structure 3 arranged in a staggered array and the hollow cooling pipes 4 arranged in the structure are lattice truss structures.
The surface of the porous hollow water drop-shaped Kagome structure 3 facing the wind is provided with inlet holes 301, two leeward sides are provided with outlet holes 302, and the inlet holes 301 and the outlet holes 302 are arranged in a staggered mode.
The hollow cooling pipe 4 has a hollow passage 401 filled with a coolant therein, and can exchange heat with the hot fluid retained in the inlet hole 301 and the outlet hole 302.
The surfaces of the upper baffle plate 2 and the lower baffle plate 5 are provided with through holes 201, and the upper cooling cavity 6 and the lower cooling cavity 8 are communicated through the through holes 201 through the hollow cooling pipe 4.
The porous hollow water drop-shaped Kagome structure 3 and the hollow cooling tube 4 which are arranged in a staggered array are directly manufactured by 3D printing.
The porous hollow water drop-shaped Kagome structure 3, the hollow cooling pipe 4, the upper baffle 2 and the lower baffle 5 have excellent heat conductivity.
The porous hollow water drop-shaped Kagome structure 3 and the hollow cooling pipe 4 are in a matching relationship with the upper baffle 2 and the lower baffle 5.
And the upper baffle 2 and the lower baffle 5 are matched with the heat exchange box body structure 1.
Compared with the prior art, the invention at least has the following beneficial effects:
the porous hollow water drop-shaped Kagome structure 3 in staggered array arrangement and the hollow cooling pipes 4 arranged in the structure are lattice truss structures, so that the structure has excellent mechanical properties and can ensure the overall stability; the porous hollow water drop-shaped Kagome structure 3 and the hollow cooling pipe 4 which are arranged in a staggered array can play a role in disturbing flow in a hot flow field, so that the flow state of fluid is changed, a complex flow field is formed, and heat exchange is enhanced.
Compared with the traditional cylindrical Kagome structure, the porous hollow water drop-shaped Kagome structure 3 arranged in a staggered array mode has smaller pressure flow loss, and the heat exchange effect of a leeward fluid stagnation area can be effectively improved.
The inlet holes 301 and the outlet holes 302 which are arranged in a staggered manner are arranged on the windward side and the leeward side of the porous hollow water drop-shaped Kagome structure 3 which are arranged in a staggered array manner, so that part of hot fluid can be retained, high-strength turbulence is formed, and the heat exchange area is greatly increased.
The hollow channel 401 in the hollow cooling pipe 4 is filled with coolant, which can exchange heat with the hot fluid retained in the inlet hole 301 and the outlet hole 302, and the surface boundary layer of the hollow cooling pipe 4 can be damaged by the impact of high-intensity turbulence on the surface of the hollow cooling pipe 4, so that the secondary improvement of the heat exchange effect is realized.
The hollow cooling tube 4 communicates with an upper cooling chamber 6 and a lower cooling chamber 8, and the coolant inside can be continuously supplied and transfer heat to the coolant in the cooling chambers.
The porous hollow water drop-shaped Kagome structure 3, the hollow cooling pipe 4, the upper baffle plate 2 and the lower baffle plate 5 which are arranged in a staggered array have excellent thermal conductivity, and can realize rapid heat exchange when being contacted with hot fluid.
There is the cooperation relation between overhead gage 2 and lower baffle 5 and the heat transfer box structure 1, convenient to detach and change, can also be according to the difference of application apparatus, relevant size and structural shape of adjustment.
The porous hollow water drop-shaped Kagome structure 3 and the hollow cooling pipe 4 are matched with the upper baffle 2 and the lower baffle 5, so that the disassembly and the replacement are convenient, and the height and the arrangement form of the lattice trusses in the heat flow channel 7 can be adjusted or the number of the lattice trusses can be increased or decreased according to different application equipment.
The porous hollow water drop-shaped Kagome structure 3 and the hollow cooling pipe 4 which are arranged in the staggered array mode can be directly manufactured through 3D printing, the manufacturing process is simple, the cost is low, the size is small, and modular assembly can be achieved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial view of the present invention.
FIG. 3 is a schematic view of the structure inside the heat flow channel of the present invention.
FIG. 4 is a schematic view of the structure of the drop Kagome and hollow cooling tube of the present invention.
FIG. 5 is a schematic view showing the structure of an air-cooling pipe according to the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments and the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 and 2, the miniature rapid cooling device based on the porous water drop-shaped Kagome structure comprises a heat exchange box body structure 1, wherein an upper baffle 2 and a lower baffle 5 are arranged in the heat exchange box body structure 1, and the upper baffle 2, the lower baffle 5 and the heat exchange box body structure 1 jointly form a structural frame to ensure the structural stability; an upper cooling cavity 6 is formed between the heat exchange box body structure 1 and the upper baffle 2, a lower cooling cavity 8 is formed between the heat exchange box body structure 1 and the lower baffle 5, a heat flow channel 7 is formed between the upper baffle 2 and the lower baffle 5, a porous hollow water drop-shaped Kagome structure 3 which is arranged in a staggered array is arranged in the heat flow channel 7, hollow cooling pipes 4 which are of the same structure are arranged in the porous hollow water drop-shaped Kagome structure 3, the porous hollow water drop-shaped Kagome structure 3 which is arranged in the staggered array and the hollow cooling pipes 4 which are arranged in the porous hollow water drop-shaped Kagome structure are both lattice truss structures, and the upper cooling cavity 6 is communicated with the lower cooling cavity 8 through the hollow cooling pipes 4.
Referring to fig. 3 and 4, the surface of the porous hollow water drop-shaped Kagome structure 3 facing the wind is provided with inlet holes 301, two leeward sides are provided with outlet holes 302, and the inlet holes 301 and the outlet holes 302 are arranged in a staggered mode.
Referring to fig. 5, a coolant is filled in a hollow passage 401 inside the hollow cooling tube 4, and can exchange heat with the hot fluid retained in the inlet hole 301 and the outlet hole 302.
Referring to fig. 3, the upper baffle 2 and the lower baffle 5 have through holes 201 on their surfaces, and the upper cooling chamber 6 and the lower cooling chamber 8 are communicated through the through holes 201 by the hollow cooling pipe 4.
The porous hollow water drop-shaped Kagome structure 3 and the hollow cooling tube 4 which are arranged in a staggered array are directly manufactured by 3D printing.
The porous hollow water drop-shaped Kagome structure 3, the hollow cooling pipe 4, the upper baffle 2 and the lower baffle 5 have excellent heat conductivity.
The porous hollow water drop-shaped Kagome structure 3 and the hollow cooling pipe 4 are matched with the upper baffle 2 and the lower baffle 5, so that the disassembly and the replacement are convenient, and the height and the arrangement form of the lattice trusses in the heat flow channel 7 can be adjusted or the number of the lattice trusses can be increased or decreased according to different application equipment.
The upper baffle 2, the lower baffle 5 and the heat exchange box body structure 1 are matched, so that the heat exchange box body structure is convenient to disassemble and replace, and related sizes and structural shapes can be adjusted according to different application equipment.
The working principle of the invention is as follows:
a thermal fluid with a certain speed enters from one end of the thermal flow channel 7 and contacts with the upper baffle 2 and the lower baffle 5, a certain amount of heat exchange exists at the moment, and then after encountering the porous hollow water drop-shaped Kagome structure 3, the fluid is influenced by turbulence, the flowing state of the fluid is changed, the development of a fluid boundary layer is damaged, and the heat exchange effect of the surface of the porous hollow water drop-shaped Kagome structure 3 and the contact area of the porous hollow water drop-shaped Kagome structure 3 and the upper baffle 2 and the lower baffle 5 is greatly improved; then, one part of the fluid flows backwards along the surface of the porous hollow water drop-shaped Kagome structure 3, the other part of the hot fluid enters through the inlet hole 301 and impacts the surface of the hollow cooling pipe 4, the complex environment inside the porous hollow water drop-shaped Kagome structure 3 enables the fluid to generate high-strength turbulence, the heat exchange effect of the surface of the hollow cooling pipe 4 is improved, the part of the hot fluid flows out from the outlet hole 302 after heat exchange is completed, the inlet hole 301 and the outlet hole 302 are arranged in a staggered mode, the residence time of the hot fluid is longer, the heat exchange area of the fluid is greatly increased, heat exchange is more sufficient, and therefore secondary improvement of the heat exchange effect is achieved; the hollow cooling pipe 4 is communicated with the upper cooling cavity 6 and the lower cooling cavity 8, can continuously provide coolant, and transfers heat to the coolant in the cooling cavity, so that rapid heat exchange is realized.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a miniature quick cooling device based on porous water droplet shape Kagome structure, includes heat transfer box structure (1), its characterized in that: an upper baffle (2) and a lower baffle (5) are arranged in the heat exchange box body structure (1), an upper cooling cavity (6) is formed between the heat exchange box body structure (1) and the upper baffle (2), a lower cooling cavity (8) is formed between the heat exchange box body structure (1) and the lower baffle (5), and a hot flow channel (7) is formed between the upper baffle (2) and the lower baffle (5); porous hollow water drop-shaped Kagome structures (3) which are arranged in a staggered array are arranged in the heat flow channel (7), hollow cooling pipes (4) which are arranged in the same way are arranged in the porous hollow water drop-shaped Kagome structures (3), and the upper cooling cavity (6) is communicated with the lower cooling cavity (8) through the hollow cooling pipes (4).
2. The miniature rapid cooling device based on the porous water drop-shaped Kagome structure as claimed in claim 1, wherein: the porous hollow water drop-shaped Kagome structures (3) arranged in a staggered array and the hollow cooling pipes (4) arranged in the porous hollow water drop-shaped Kagome structures are lattice truss structures.
3. The miniature rapid cooling device based on the porous water drop-shaped Kagome structure as claimed in claim 1, wherein: the porous hollow water-drop-shaped Kagome structure (3) is characterized in that an inlet hole (301) is arranged on the windward surface, outlet holes (302) are uniformly distributed on two leeward surfaces, and the inlet hole (301) and the outlet holes (302) are arranged in a staggered mode.
4. The miniature rapid cooling device based on the porous water drop-shaped Kagome structure as claimed in claim 3, wherein: the hollow channel (401) in the hollow cooling pipe (4) is filled with coolant, and can exchange heat with hot fluid retained in the inlet hole (301) and the outlet hole (302).
5. The miniature rapid cooling device based on the porous water drop-shaped Kagome structure as claimed in claim 1, wherein: the surface of the upper baffle (2) and the surface of the lower baffle (5) are provided with through holes (201), and the upper cooling cavity (6) is communicated with the lower cooling cavity (8) through a hollow cooling pipe (4) via the through holes (201).
6. The miniature rapid cooling device based on the porous water drop-shaped Kagome structure as claimed in claim 1, wherein: the porous hollow water drop-shaped Kagome structure (3) and the hollow cooling pipe (4) which are arranged in a staggered array are manufactured by 3D printing.
7. The miniature rapid cooling device based on the porous water drop-shaped Kagome structure as claimed in claim 1, wherein: the porous hollow water drop-shaped Kagome structure (3), the hollow cooling pipe (4), the upper baffle (2) and the lower baffle (5) have excellent thermal conductivity.
8. The miniature rapid cooling device based on the porous water drop-shaped Kagome structure as claimed in claim 1, wherein: the porous hollow water drop-shaped Kagome structure (3) and the hollow cooling pipe (4) are in a matching relation with the upper baffle (2) and the lower baffle (5).
9. The miniature rapid cooling device based on the porous water drop-shaped Kagome structure as claimed in claim 1, wherein: the upper baffle (2), the lower baffle (5) and the heat exchange box body structure (1) are in a matching relation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110938406.4A CN113701540B (en) | 2021-08-16 | 2021-08-16 | Miniature quick cooling device based on porous water droplet shape Kagome structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110938406.4A CN113701540B (en) | 2021-08-16 | 2021-08-16 | Miniature quick cooling device based on porous water droplet shape Kagome structure |
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| Publication Number | Publication Date |
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| CN113701540A true CN113701540A (en) | 2021-11-26 |
| CN113701540B CN113701540B (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110938406.4A Active CN113701540B (en) | 2021-08-16 | 2021-08-16 | Miniature quick cooling device based on porous water droplet shape Kagome structure |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01218632A (en) * | 1988-02-29 | 1989-08-31 | Osamu Takahashi | Heat exchange piping mixing and reaction apparatus |
| RU1815576C (en) * | 1991-04-26 | 1993-05-15 | Луганский Машиностроительный Институт | Heat exchanger |
| US8453717B1 (en) * | 2009-07-20 | 2013-06-04 | Hrl Laboratories, Llc | Micro-architected materials for heat sink applications |
| EP2775244A1 (en) * | 2013-03-05 | 2014-09-10 | The Boeing Company | Micro-lattice cross-flow heat exchangers for aircraft |
| US20160027425A1 (en) * | 2013-03-13 | 2016-01-28 | Milwaukee School Of Engineering | Lattice structures |
| US9546826B1 (en) * | 2010-01-21 | 2017-01-17 | Hrl Laboratories, Llc | Microtruss based thermal heat spreading structures |
| CN206321103U (en) * | 2016-12-09 | 2017-07-11 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of heat exchanger |
| US20180297843A1 (en) * | 2017-04-17 | 2018-10-18 | Honeywell International Inc. | Cell structures for use in heat exchangers, and methods of producing the same |
| US20180328673A1 (en) * | 2017-05-12 | 2018-11-15 | The Boeing Company | Hollow Lattice Thermal Energy Storage Heat Exchanger |
| US10502501B1 (en) * | 2015-04-01 | 2019-12-10 | Hrl Laboratories, Llc | Louvered elliptical tube micro-lattice heat exchangers |
-
2021
- 2021-08-16 CN CN202110938406.4A patent/CN113701540B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01218632A (en) * | 1988-02-29 | 1989-08-31 | Osamu Takahashi | Heat exchange piping mixing and reaction apparatus |
| RU1815576C (en) * | 1991-04-26 | 1993-05-15 | Луганский Машиностроительный Институт | Heat exchanger |
| US8453717B1 (en) * | 2009-07-20 | 2013-06-04 | Hrl Laboratories, Llc | Micro-architected materials for heat sink applications |
| US9546826B1 (en) * | 2010-01-21 | 2017-01-17 | Hrl Laboratories, Llc | Microtruss based thermal heat spreading structures |
| EP2775244A1 (en) * | 2013-03-05 | 2014-09-10 | The Boeing Company | Micro-lattice cross-flow heat exchangers for aircraft |
| US20160027425A1 (en) * | 2013-03-13 | 2016-01-28 | Milwaukee School Of Engineering | Lattice structures |
| US10502501B1 (en) * | 2015-04-01 | 2019-12-10 | Hrl Laboratories, Llc | Louvered elliptical tube micro-lattice heat exchangers |
| CN206321103U (en) * | 2016-12-09 | 2017-07-11 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of heat exchanger |
| US20180297843A1 (en) * | 2017-04-17 | 2018-10-18 | Honeywell International Inc. | Cell structures for use in heat exchangers, and methods of producing the same |
| US20180328673A1 (en) * | 2017-05-12 | 2018-11-15 | The Boeing Company | Hollow Lattice Thermal Energy Storage Heat Exchanger |
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| CN113701540B (en) | 2022-05-06 |
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