CN216532308U - Bionic liquid absorption core with honeycomb-like structure and soaking plate applying bionic liquid absorption core - Google Patents
Bionic liquid absorption core with honeycomb-like structure and soaking plate applying bionic liquid absorption core Download PDFInfo
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- CN216532308U CN216532308U CN202122464945.7U CN202122464945U CN216532308U CN 216532308 U CN216532308 U CN 216532308U CN 202122464945 U CN202122464945 U CN 202122464945U CN 216532308 U CN216532308 U CN 216532308U
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Abstract
The application relates to a bionic liquid absorption core with a honeycomb-like structure, wherein the bionic liquid absorption core is a groove-type structure which is positioned on the inner side wall of a condensation plate and formed according to a honeycomb-shaped path, and the honeycomb-shaped path is formed by expanding a plurality of starting end honeycomb channels from the center of the bionic liquid absorption core outwards step by step; the vapor chamber comprises an evaporation end and a condensation end which are matched with each other, the evaporation end and the condensation end are mutually connected and sealed to form a closed cavity, and the inside of the closed cavity is vacuumized and filled with a liquid working medium; the condensation end is made of a bionic liquid absorption core, a heat absorption core is arranged in the evaporation end, a porous medium part surrounded by a honeycomb network-shaped channel structure in the bionic liquid absorption core forms a support column, and the support column is supported on the heat absorption core of the evaporation end. The liquid working medium can be efficiently transported, and the liquid working medium has the advantages of good temperature equalization performance, high heat dissipation efficiency, difficulty in blocking and high strength.
Description
Technical Field
The utility model relates to the technical field of vapor chamber plates, in particular to a bionic liquid absorption core with a honeycomb-like structure, and particularly relates to a vapor chamber plate applied to the bionic liquid absorption core with the honeycomb-like structure.
Background
In recent years, with the rapid development of information technology in China and the arrival of the 5G data era, the infrastructure of the information-oriented society is urgent, and the data center is taken as a main bearer for information processing, the importance of the data center is needless to say, but with the increasing of the computing load and the packaging degree of a server, the heat dissipation problem of a server unit becomes the fettling effect for limiting the development of computer technology, the heat of a data center computer room is difficult to discharge, the aging damage of elements and materials is caused by the temperature of a computer chip, and the data center which runs at high performance for 24 hours all day is not allowed. How to quickly and efficiently transfer the heat of the heat-generating chip to the external environment has become an urgent problem to be solved.
The vapor chamber developed on the basis of the heat pipe has the advantages of high efficiency, energy conservation, convenient installation, long-time maintenance avoidance and the like, and meets the heat dissipation requirement in the current electronic field to a great extent. As a heat dissipation device with high temperature uniformity and high heat conduction efficiency, the heat dissipation device has more advantages compared with a heat pipe.
The vapor chamber mainly comprises an evaporation end, a condensation end and a working medium, wherein the liquid working medium absorbs heat at the evaporation end and then evaporates, and is condensed and released after reaching the condensation end, and the heat is taken away by external heat dissipation equipment; the condensed working medium is conveyed back to the evaporation part through the liquid absorption core structure. The liquid absorption core structure is a capillary structure, condensate is conveyed back to the evaporation part through capillary suction, and the liquid absorption core is used as a core structure of the vapor chamber and plays an important role in the heat transfer performance of the vapor chamber.
Honeycomb structures have evolved over the years to an excellent pattern structure, as demonstrated geometrically: the regular polygons with any geometric planes can be evenly and densely paved, and only regular triangles, regular quadrangles and regular hexagons are arranged in the regular polygons; particularly, the fractal base shape of the honeycomb-imitated fractal network is also a regular hexagon, and the regular hexagon has the minimum network perimeter on the premise of densely paving the same area, so that the honeycomb-imitated fractal network is a good liquid absorption core structure beneficial to the transportation of the working medium of the soaking plate.
However, the prior art does not have wicks with a pseudo-honeycomb structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art and provides a bionic liquid suction core which is reasonable, convenient and reliable and can efficiently transport liquid working media and has a honeycomb-like structure.
The utility model aims to solve another technical problem of providing a soaking plate applied to a bionic liquid absorption core with a honeycomb-like structure.
The technical problem to be solved by the present invention is achieved by the following technical means. The utility model relates to a bionic liquid suction core with a honeycomb-like structure, which is a groove-type structure formed according to a honeycomb-like path, wherein the honeycomb-like path is formed by gradually expanding a plurality of starting honeycomb channels outwards from the center of the bionic liquid suction core, each honeycomb channel of each stage is divided into two parts from the starting honeycomb channel, and the branched honeycomb channels are bent to be parallel and extend outwards; in four honeycomb channels divided from two adjacent honeycomb channels at the same stage, the two honeycomb channels positioned in the middle are combined into one honeycomb channel after being intersected, so that the number of the honeycomb channels at the next stage is one more than that of the honeycomb channels at the previous stage, and the adjacent honeycomb channels at each stage are communicated end to form a honeycomb network-shaped channel; the starting honeycomb channels are intersected at the center of the bionic liquid absorption core to form a cylindrical central condensation area, and a plurality of honeycomb-shaped condensation areas are formed in the honeycomb network-shaped channels; an annular channel is also arranged on the periphery of the bionic liquid suction core, and the honeycomb channel of the last stage is communicated with the annular channel.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that for the bionic liquid suction core with the honeycomb-like structure, the honeycomb-like path is concave, and the concave part forms a groove-type structure.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that for the bionic liquid suction core with the honeycomb-like structure, the honeycomb-like path is convex, and a groove-type structure is formed by the convex parts.
The technical problem to be solved by the present invention can be further solved by the following technical solution, in the bionic wick of the above-mentioned honeycomb-like structure, the convex portion of the honeycomb-like path is formed by a porous medium, and preferably, the porous medium is a porous medium with a relatively high porosity.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that for the bionic liquid suction core with the honeycomb-like structure, the bifurcation angle of the honeycomb channels is 120 degrees, and the honeycomb network-shaped channels are in a regular hexagon honeycomb shape.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that for the bionic liquid suction core with the honeycomb-like structure, a wall shell is further arranged on the outer side of the annular channel.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that for the bionic liquid absorption core with the honeycomb-like structure, in the groove type structure, the depth of the groove is 0.1-0.5mm, and the width of the honeycomb-shaped path is 0.1-0.5 mm.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that for the bionic liquid absorbing core with the honeycomb-like structure, the soaking plate applied to the bionic liquid absorbing core with the honeycomb-like structure comprises an evaporation end and a condensation end which are matched with each other, wherein the evaporation end and the condensation end are mutually connected and sealed to form a closed cavity, and the closed cavity is vacuumized and filled with a liquid working medium; the condensation end is made of a bionic liquid absorption core, a heat absorption core is arranged in the evaporation end, a porous medium part surrounded by a honeycomb network-shaped channel structure in the bionic liquid absorption core forms a support column, and the support column is supported on the heat absorption core of the evaporation end.
Compared with the prior art, the utility model has the beneficial effects that:
1. the bionic wick with the honeycomb-like structure has good temperature equalization performance, and as the mutually communicated honeycomb network-shaped channels are distributed in the wick structure, all parts can uniformly dissipate heat, and local high temperature can not occur even if local blockage occurs, the temperature equalization performance is greatly improved, so that electronic elements are prevented from being damaged due to nonuniform heat dissipation;
2. the application provides a bionical imbibition core radiating efficiency with imitative honeycomb structure is high, has proven in the geometry: the regular polygons with any geometric planes can be evenly and densely paved, and only regular triangles, regular quadrilaterals and regular hexagons are adopted; particularly, the fractal base shape of the honeycomb-imitated fractal network is also a regular hexagon, and the regular hexagon has the minimum network perimeter on the premise of densely paving the same area; the liquid absorbing core with the honeycomb structure can quickly guide the liquid working medium to each area of the soaking plate, the backflow is quick, and the heat dissipation efficiency is higher;
3. the bionic wick with the honeycomb-like structure is not easy to block, and the honeycomb channels of all levels are mutually connected to form a honeycomb network-shaped channel structure, so that even if a certain local position is blocked, condensate can also flow back through the tower honeycomb channel, and local high temperature cannot occur due to blocking;
4. the utility model provides a soaking pit that bionical imbibition core with imitative honeycomb structure was made intensity is big, only set up several support columns usually between the condensation end of current soaking pit and the evaporating end and support, and in the application, the imbibition core comprises honeycomb network form channel, the porous medium support column structure of enclosing by them can support on the heat-absorbing core of evaporating end, and it has been proved in the research that honeycomb fractal network bears great pressure and indeformable under the ultra-thin condition, good compressive capacity has, this intensity that makes whole soaking pit promotes greatly.
Drawings
FIG. 1 is a schematic diagram of the structure of a biomimetic wick according to the present invention;
FIG. 2 is a schematic view of a portion of the structure of a biomimetic wick in accordance with the present invention;
FIG. 3 is a schematic view of the structure of the honeycomb channels of the present invention;
FIG. 4 is a schematic view of a honeycomb channel bifurcation structure in accordance with the present invention;
FIG. 5 is a schematic flow diagram of a liquid working medium according to the present invention;
fig. 6 is a schematic structural view of the soaking plate of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, a bionic wick with a honeycomb-like structure comprises a plurality of honeycomb condensation areas 1 radiating outwards from the center, each honeycomb condensation area 1 is formed by a multi-stage honeycomb channel 2 structure formed by outward stepwise expansion of starting end hexagonal honeycomb channels 2 positioned at the center, and the number of the honeycomb channels 2 in each stage is increased from the center outwards stepwise; the honeycomb channels 2 in each stage and the honeycomb channels 2 in each stage are communicated with each other, so that each condensation zone forms a honeycomb network-shaped channel structure; honeycomb channels 2 among the honeycomb condensation areas 1 form honeycomb paths, the honeycomb paths are concave, and the concave parts form a groove type structure; or the honeycomb-shaped path is convex, and a groove-type structure is formed by the convex parts;
the liquid absorption core structure is arranged on a disc-shaped wall shell 5 made of copper, the liquid absorption core structure comprises honeycomb condensation areas 1 and honeycomb channels 2, the center of each honeycomb condensation area 1 radiates towards the edge, each honeycomb condensation area 1 is formed by a hexagonal channel structure formed by outward stepwise branching of starting end channels positioned at the center, each starting end channel is zero-level, and a zero-level branching point I is divided into two parts, so that the first level is provided with the two honeycomb channels 2, the included angle between the two branched honeycomb channels 2 is 120 degrees, namely the branching angle 1 is 120 degrees, and the two branched honeycomb channels 2 are bent to be parallel and extend outwards; the bifurcation points II of the two honeycomb channels 2 of the first stage are respectively divided into two parts, the bifurcation angle 2 is also 120 degrees, two in the middle of the four honeycomb channels 2 after bifurcation are intersected and then combined into one, so that the second stage is provided with three honeycomb channels 2, and the three honeycomb channels 2 are bent into a parallel state and extend outwards; the bifurcation point III of the three honeycomb channels 2 of the second stage is also divided into two parts, the bifurcation angle 3 is also 120 degrees, six honeycomb channels 2 are formed after bifurcation, the four honeycomb channels are positioned in the middle, two honeycomb channels are intersected in pairs, and the two intersected honeycomb channels are combined into one honeycomb channel, so that the third stage is provided with four honeycomb channels 2, and the four honeycomb channels 2 are bent into a parallel state and extend outwards; similarly, the bifurcation point of the honeycomb channel 2 in each backward stage is divided into two, and of the four honeycomb channels 2 divided from two adjacent honeycomb channels 2 in the same stage, two honeycomb channels 2 positioned in the middle are intersected and then merged into one honeycomb channel, and extend outwards in parallel with other honeycomb channels 2, and the bifurcation angle is 120 degrees, so that the number of the honeycomb channels 2 in each stage is one more than that of the honeycomb channels in the previous stage, and in particular, refer to fig. 4; the honeycomb channels 2 of each stage are formed by branching the previous stage, and two intersected honeycomb channels 2 of the stage are combined into one, so that the honeycomb channels 2 of each stage form mutually communicated regular hexagons, and the whole honeycomb condensation area forms a honeycomb-like network-shaped channel structure formed by mutually communicating a plurality of regular hexagons;
the plurality of starting end channels intersect at the center of the wall shell 5 to form a cylindrical groove central condensation zone 3;
the periphery of the honeycomb-shaped condensation area 1 (namely the edge of the circular wall shell 5) is provided with an annular channel 4, and the honeycomb channel 2 of the last stage of each honeycomb-shaped condensation area 1 is communicated with the annular channel 4;
referring to fig. 2 and 3, in the grooved structure, the depth of the grooves is 0.1-0.5mm, and the width of the honeycomb path is 0.1-0.5 mm;
the honeycomb network channel structure is manufactured by a chemical corrosion method, such as a chemical corrosion method on a copper plate or an aluminum plate;
a soaking plate applied to a bionic liquid absorption core with a honeycomb-like structure comprises an evaporation end and a condensation end which are matched with each other, wherein the evaporation end and the condensation end are mutually connected and sealed to form a closed cavity, and the inside of the closed cavity is vacuumized and filled with a liquid working medium; the condensation end is made of the bionic liquid absorption core, the evaporation end is internally provided with a heat absorption core 6, a porous medium part surrounded by a honeycomb network channel structure in the bionic liquid absorption core forms a support column, the support column is supported on the heat absorption core 6 at the evaporation end, and the heat absorption core 6 is formed by powder sintering;
referring to fig. 5, in operation, a gaseous working medium formed by heating and evaporating a liquid working medium rises from an evaporation end to a condensation end made of a bionic wick structure with a honeycomb-like structure, and is condensed into a liquid working medium, a part of the liquid working medium directly flows back to an evaporation part (shown by a large arrow in the figure) from a honeycomb channel 2 along a vertical direction, and the other part of the liquid working medium flows outwards in the honeycomb channel 2 along a radial direction (shown by a small arrow in the figure), and is collected to an annular channel 4 and then flows back to the evaporation end;
the vapor chamber adopting the bionic liquid absorption core structure has the advantages of large capillary force, small flow resistance, capability of efficiently transporting liquid working media, good temperature equalization performance, high heat dissipation efficiency and good effect.
Claims (8)
1. The utility model provides a bionical imbibition core of imitative honeycomb structure which characterized in that: the bionic liquid absorption core is of a groove type structure formed according to a honeycomb-shaped path, the honeycomb-shaped path is formed by expanding a plurality of starting honeycomb channels from the center of the bionic liquid absorption core outwards step by step, from the starting honeycomb channels, each honeycomb channel of each step is divided into two, and the branched honeycomb channels are bent to be parallel and extend outwards; in four honeycomb channels divided from two adjacent honeycomb channels at the same level, two honeycomb channels positioned in the middle are combined into one honeycomb channel after being intersected, the adjacent honeycomb channels at each level are communicated end to form a honeycomb network-shaped channel, the starting honeycomb channels are intersected at the center of the bionic liquid suction core to form a cylindrical central condensation area, and a plurality of honeycomb-shaped condensation areas are formed in the honeycomb network-shaped channels; an annular channel is also arranged on the periphery of the bionic liquid suction core, and the honeycomb channel of the last stage is communicated with the annular channel.
2. A biomimetic wick of pseudo-honeycomb structure according to claim 1, wherein: the honeycomb path is recessed, and the recessed portion forms a channel structure.
3. A biomimetic wick of pseudo-honeycomb structure according to claim 1, wherein: the honeycomb-shaped path is convex, and a groove-type structure is formed by the convex parts.
4. A biomimetic wick according to claim 3, wherein the biomimetic wick comprises a honeycomb-like structure: the upper convex portion of the honeycomb path is comprised of a porous media.
5. A biomimetic wick of pseudo-honeycomb structure according to claim 1, wherein: the bifurcation angle of the honeycomb channel is 120 degrees, and the honeycomb network-shaped channel is in a regular hexagon honeycomb shape.
6. A biomimetic wick of pseudo-honeycomb structure according to claim 1, wherein: and a wall shell is arranged on the outer side of the annular channel.
7. A biomimetic wick of pseudo-honeycomb structure according to claim 1, wherein: in the grooved structure, the depth of the grooves is 0.1-0.5mm and the width of the honeycomb path is 0.1-0.5 mm.
8. A soaking plate applied to bionic liquid absorption cores of honeycomb-like structures is characterized in that: the vapor chamber comprises an evaporation end and a condensation end which are matched with each other, the evaporation end and the condensation end are connected with each other and sealed to form a closed cavity, and the inside of the closed cavity is vacuumized and filled with liquid working media; the bionic liquid absorption core is characterized in that the condensation end is made of the bionic liquid absorption core as claimed in any one of claims 1 to 7, a heat absorption core is arranged in the evaporation end, a porous medium part surrounded by a honeycomb network-shaped channel structure in the bionic liquid absorption core forms a supporting column, and the supporting column is supported on the heat absorption core of the evaporation end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122464945.7U CN216532308U (en) | 2021-10-13 | 2021-10-13 | Bionic liquid absorption core with honeycomb-like structure and soaking plate applying bionic liquid absorption core |
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| CN202122464945.7U CN216532308U (en) | 2021-10-13 | 2021-10-13 | Bionic liquid absorption core with honeycomb-like structure and soaking plate applying bionic liquid absorption core |
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