CN203518738U - Bionic vapor chamber wick - Google Patents
Bionic vapor chamber wick Download PDFInfo
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- CN203518738U CN203518738U CN201320633863.3U CN201320633863U CN203518738U CN 203518738 U CN203518738 U CN 203518738U CN 201320633863 U CN201320633863 U CN 201320633863U CN 203518738 U CN203518738 U CN 203518738U
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Abstract
The utility model discloses a bionic vapor chamber wick. According to the structure of the wick, an efficient transport structure of plant leaves is based and the point-to-face transport principle of plant leaves and the shortest transport path principle of plant leaves are adopted, and therefore a novel vapor chamber with the plant leaf transport structure simulated is designed. The vapor chamber and the wick can be designed in an integrated mode so that working mediums can quickly enter fractal channels under the action of capillary pressure, the working mediums transported through the fractal channels can quickly enter the polygonal microstructure tissue defined by the fractal channels, quickly reach a whole condensing face of the vapor chamber, be condensed to the liquid state quickly and then flow back to an evaporation end under the action of the capillary pressure, and after one recycle is completed, preparation is made for next-step evaporation. Meanwhile, the polygonal micro-channel structure stimulating the leaf vein structure enables the liquid-state working mediums to quickly flow towards the periphery of the condensing end along the network channels of the wick, circulation of a working medium transport loop is quickened, the heat transmission efficiency is improved, the overall size is small and the bionic vapor chamber wick is applicable to precise electronic equipment.
Description
Technical field
The utility model relates to a kind of bionical soaking plate liquid sucting core structure, effectively overcome the defect that flow resistance is large, transmit the existing soaking plate liquid-sucking core technology existence such as slow, local microchannel is stopped up, uniform temperature is low, intensity is low, can solve efficiently the local heat dissipation problem of electronic device.
Background technology
Along with the development of electronic technology, circuit integrated technology is constantly promoting electronic product precise treatment day by day.Meanwhile, highly integrated electronic device causes the sharply increase of heat flow density, and heat radiation has become impassable bottleneck problem in electronic technology development.Soaking plate has been widely used in the middle of electronic equipment dissipating heat as a kind of efficient heat transfer unit (HTU).Liquid-sucking core, as the core texture of soaking plate, plays vital effect to the heat transfer property of soaking plate.
Due to the mode that soaking plate has adopted face to conduct heat, than traditional heat pipe heat radiation, efficiency is higher, has been widely used in the middle of the heat radiation of electronic device.Soaking plate is compared with traditional heat pipe, and operation principle is identical.It mainly contains evaporation ends, condensation end, liquid-sucking core, working medium composition.Its operation principle is: electronic device transfers heat to soaking plate evaporation ends substrate, and substrate transfers heat to working medium again, working medium be heated after evaporation, and arrive condensation end and condense into liquid and emit heat.Liquid refrigerant is back to evaporation ends and forms a circulation under the effect of liquid-sucking core capillary pressure, so repeatedly.In order to make working medium produce and to condense at lower temperature, so need in soaking plate to vacuumize.
Liquid-sucking core, as soaking plate essential elements, has developed into various forms.Its structure mainly comprises sintered porous type, groove-shaped, screen mesh type and fibrous type liquid sucting core structure.Groove-shaped liquid-sucking core has very large permeability, but capillary attraction is minimum; Sintered porous type is just contrary with groove-shaped liquid-sucking core performance; Silk screen and fibrous type liquid-sucking core, between the two, still take relatively large space.
The heat transfer property of soaking plate depends primarily on liquid sucting core structure, and the permeability of liquid-sucking core and capillary attraction are the relations of conflict.Meanwhile, the electronic equipment day by day becoming more meticulous requires more and more harsh to the bulk of soaking plate.Simultaneously, soaking plate is because short transverse thickness is less, and along with the development of electronic technology, require soaking plate more and more thinner, therefore the wall shell of soaking plate can become thinner to increase the volume of soaking plate cavity, but this can cause soaking plate strength decreased, after vacuumizing, can cause soaking plate distortion or produce and subside.Therefore in order to gain in strength, in soaking plate, increased support column, but the increase of support column can greatly reduce disengagement area, can cause the variation of soaking plate chamber flow field simultaneously, is unfavorable for the raising of radiating efficiency.
Plant leaf blade is evolved through the development of 1 years, and the working medium that has formed a kind of optimization transports system.Research finds that the middle axially symmetric structure of plant leaf vein has the shortest transportation route.Based on plant leaf vein polygon fractal structure, have that the vein of preventing stops up or fracture and plant leaf blade is caused to destructive infringement.Vein based on plant leaf blade and mesophyll tissue's structure can be transported to each position of plant leaf blade fast by nutriment from point, this institutional framework has the shortest transportation route.
Inspired by this, it is a kind of based on the bionical soaking plate liquid-sucking core of plant leaf blade institutional framework that the utility model provides.This liquid-sucking core has taken into full account the deficiency of existing soaking plate technology existence of present stage, and has drawn plant leaf blade High-efficiency Conveyance System structure, has designed a kind of novel bionical soaking plate liquid sucting core structure.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides that a kind of capillary pressure is large, flow resistance is little, uniform temperature is good, heat dispersion is high, avoids the local liquid sucting core structure dry and Novel imitation plant leaf blade Optimizing Transport structure that stop up that occurs.
The utility model is achieved through the following technical solutions:
A kind of bionical soaking plate liquid-sucking core, comprise the central condensing zone for holding liquid refrigerant, main transport channel, support column, interface channel, annular flange flange, condensation substrate, micro-channel, on described condensation substrate, be provided with land area, the described central condensing zone land area middle part that is arranged at condensation substrate in the form of slot, this central authorities' condensing zone forms liquid storage pool, collects condensed liquid refrigerant and transports in main transport channel.
Described main transport channel be connected with central condensing zone and take the edge of central condensing zone as common starting point towards condensation substrate be y-bend tree vein shape homogeneous radiation be distributed on condensation substrate, between described main transport channel, by interface channel, laterally connect, make all main transport channels form the network channel of mutual perforation, in the polygon land area surrounding at adjacent main transport channel, be processed with micro-channel, between each micro-channel, be formed for soaking plate to play support, increase the cube support column of soaking plate intensity, the edge of described condensation substrate is provided with flange to form complete soaking plate overall structure with evaporation ends welding.
By process the main transport channel with minute molded dimension based on plant leaf vein fractal structure on condensation substrate, and each main transport channel by center to external radiation, form the main thoroughfare of condensation Working fluid flow.Condensation substrate middle part has circular groove, forms the central condensing zone of condensation end.Working medium enters rapidly main transport channel under the effect at capillary pressure after central condensing zone 1 condensation, and outwards flows at main transport channel Nei You center.Because main transport channel 2 yardsticks are relatively large, Working fluid flow is very fast, and the main transport channel of this form is furnished with and is beneficial to reducing of liquid-sucking core overall flow resistance.
Each is connected by interface channel to extraradial main transport channel, when stopping up, during the local fortuitous event such as dry, will under capillary pressure drives, be supplemented by the working medium of adjacent main transport channel, increase thus the ability of soaking plate adaptation different capacity environment.Because main transport channel is under the connection function of interface channel, is interconnected and forms the loop structure of closed circulation simultaneously, greatly strengthened uniform temperature and the serviceability of soaking plate.
On the polygon boss forming at main transport channel, process micro-channel, these micro-channel 7 yardsticks should be less than the yardstick of main transport channel at the same level.The condensation working medium that main transport channel transportation comes enters micro-channel under the effect of micro-channel capillary pressure.Micro-channel is interlaced, makes condensation working medium in micro-channel, be diffused into rapidly each point of condensation end.Because main transport channel and micro-channel 7 cross sections are rectangle, the liquid refrigerant in passage is except along the flowing of channel-length direction, and most liquid refrigerant all will be back to evaporation ends from channel height direction, shorten return flow path.Simultaneously, the hexagon being surrounded by the main transport channel based on plant leaf vein fractal structure forms with heptagon passage the transport structure system of optimizing based on plant leaf blade together with micro-channel, be the shortest path of the transportation from point to face, therefore can improve soaking plate radiating efficiency.
Further, described condensation substrate is circular, adopts copper coin, aluminium sheet or corrosion resistant plate that thickness is 1mm～3mm, and the rounded groove shape of described central condensing zone is arranged at the land area middle part of condensation substrate.
Further, described condensation substrate is rectangle, adopts copper coin, aluminium sheet or corrosion resistant plate that thickness is 1mm～3mm, and the rectangular groove shape of described central condensing zone is arranged at the land area middle part of condensation substrate.
Further, described land area is the integral structure that material is identical with condensation substrate.
Further, described land area is for adopting vacuum sintering technique, and the copper powder that is 0.075mm～0.150mm by particle diameter is the copper powder layer of sintering on above-mentioned condensation substrate equably.
Further, described copper powder is red metal, red copper or brass.
Further, described land area adopts vacuum sintering technique by the silk screen silk screen layer of sintering on condensation substrate equably.
Further, the angle of forking of described main transport channel is 30 °～60 °, and the Length Ratio of Hou Yi branch and adjacent last branch is 0.6～0.8, and width ratio is 0.4～0.6.
Further, described liquid refrigerant is any one in pure water, methyl alcohol, ethanol, acetone.
Main transport channel and micro-channel surround small cube cylinder, form natural support column in soaking plate, this support column end face is directly with condensation end substrate contacts or directly contact with condensation end liquid-sucking core, soaking plate is played a supporting role, increase the intensity of soaking plate, avoid soaking wooden partition shell too thin, because vacuumizing the distortion causing and subsiding.
On condensation substrate, outermost end is processed with flange, and the thickness of thickness of flange in soaking plate short transverse is identical with support column height, for welding and form complete soaking plate structure with soaking plate condensation end, soaking plate is played a supportive role simultaneously.Flange is greater than 0.5mm at the thickness of soaking plate radial direction.
Liquid sucting core structure based on above-mentioned can form by carry out laser engraving on copper coin integrated design and the processing of collection conduit, support column, also can, by sintering silk screen and sintered powder on flanged condensation substrate, then enter laser engraving and form main transport channel.Common multiple dimensioned microchannel, capillary pressure and the permeability of raising liquid-sucking core of forming of main transport channel and micro-channel.
Consider the situation of capillary pressure, the channel width of the main transport channel first order is less than 1mm, and the microchannel length of every one-level and the ratio of width be greater than 10, and bifurcation angle is 30 °～60 °.Described condensation substrate is that diameter is greater than 10mm, the circular metal plate that thickness is 0.5～3mm, and material is the higher materials of thermal conductivity factor such as copper, aluminium, silicon.
Compared with prior art, the beneficial effects of the utility model are:
1. in the related liquid sucting core structure of the utility model, main transport channel forms mass transfer loop together with microchannel, can reduce transport resistance.The multiple dimensioned network loop structure of classification that the common formation of main transport channel and micro-channel is interconnected simultaneously, is conducive to avoid occurring local dry-out.
2. the related a kind of bionical soaking plate liquid-sucking core of the utility model can be core, plate Integral design, can be also that sintering silk screen or agglomerated powder form after whole micro-channel on flanged condensation substrate, by Laser Processing, goes out main transport channel.Micro-channel has accelerated liquid refrigerant each some diffusion to cryosurface, has increased area of dissipation simultaneously, is conducive to the raising of soaking plate radiating efficiency.Small cube support column powder sintered or that silk screen sintering forms not only has the effect of supporting soaking plate, has also strengthened the heat-sinking capability of soaking plate simultaneously, and the working medium smoothness of soaking plate be there is no and pays no attention to impact.After powder sintered and silk screen sintering, can increase according to actual needs or reduce soaking plate overall structure size, increase the scope of application of soaking plate.
3. in the related liquid sucting core structure of the utility model, main transport channel and micro-channel are evenly distributed on substrate, have increased the area of dissipation of liquid refrigerant, thereby have had higher radiating efficiency.
4. in the related liquid-sucking core of the utility model, main transport channel and micro-channel form multiple dimensioned MCA, and main transport channel is because flow resistance is little, and Working fluid flow speed is fast.Micro-channel is because yardstick is little, and capillary pressure is large.This version liquid-sucking core can impel the working medium of main transport channel to enter fast micro-channel heat radiation, and radiating efficiency is higher.
5. the related liquid sucting core structure of the utility model, takes full advantage of transport structure system and transportation principle that plant leaf blade is optimized, and take plant leaf vein and mesophyll porous organization is design considerations.Main pass to hexagon and heptagon is delivery unit, and by the liquid refrigerant fast transportation of central point each position to condensation end, and be back to rapidly evaporation ends.Radiating efficiency is higher, and uniform temperature is better.
6. the related a kind of soaking plate liquid-sucking core of the utility model is convenient to product seriation production.
Accompanying drawing explanation
Fig. 1 is the related a kind of bionical soaking plate liquid-sucking core overall structure schematic top plan view of the utility model.
Fig. 2 is unit veiny somatotype channel design schematic diagram of the related a kind of bionical soaking plate liquid-sucking core of the utility model.
Fig. 3 is the local enlarged diagram of the related a kind of bionical soaking plate liquid-sucking core conduit of the utility model.
Fig. 4 is related a kind of bionical soaking plate liquid-sucking core case study on implementation 1 cross sectional representation of the utility model.
Fig. 5 is related a kind of bionical soaking plate liquid-sucking core case study on implementation 2 cross sectional representation of the utility model.
Fig. 6 is related a kind of bionical soaking plate liquid-sucking core case study on implementation 3 cross sectional representation of the utility model.
Fig. 7 is the bionical soaking plate liquid-sucking core work structuring schematic diagram of the utility model embodiment 2.
Fig. 8 is the overall structure schematic top plan view of the related a kind of bionical soaking plate liquid-sucking core case study on implementation 4 of the utility model.
Shown in figure, be: 1-central authorities condensing zone; The main transport channel of 2-; 3-support column; 4-interface channel; 5-annular flange flange; 6-condensation substrate; 7-micro-channel; 8-thermal source; 9-evaporation ends.
The specific embodiment
Below the specific embodiment of the present utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment 1
Referring to Fig. 1, Fig. 2, shown in Fig. 3, a kind of bionical soaking plate liquid-sucking core, comprise for holding the central condensing zone 1 of liquid refrigerant, main transport channel 2, support column 3, interface channel 4, annular flange flange 5, condensation substrate 6, micro-channel 7, on described condensation substrate 6, be provided with land area, the rounded groove shape of described central condensing zone 1 is arranged at the land area middle part of condensation substrate 6, described main transport channel 2 be connected with central condensing zone 1 and take the edge of central condensing zone 1 as common starting point towards condensation substrate 6 be y-bend tree vein shape homogeneous radiation be distributed on condensation substrate 6, between described main transport channel 2, by interface channel 4, laterally connect, make all main transport channels 2 form the network channel mutually connecting, in the polygon land area surrounding at adjacent main transport channel 2, be processed with micro-channel 7, between each micro-channel 7, be formed for soaking plate to play support, increase the cube support column 3 of soaking plate intensity, the edge of described condensation substrate 6 is provided with flange to form complete soaking plate overall structure with evaporation ends welding.In the present embodiment, condensation substrate 6 is selected red metal, diameter is 45mm, thickness is 1.5mm, land area adopts vacuum sintering technique, the copper powder that is 0.075mm～0.150mm by particle diameter equably sintering forms on above-mentioned condensation substrate 6, forms and to be uniformly distributed and the minuteness passage of thickness 0.8mm, then by swashing
lightengraving or the method for chemical attack have at sintering on the condensation substrate 6 of copper powder and process the main transport channel 2 of vein shape, the thickness that wherein main transport channel 2 degree of depth are sintered copper powder.The diameter of central authorities' condensing zone 1 is 5mm.The width of annular flange flange 5 is 1mm.Thickness is all 0.5mm mutually with wick thickness.
The angle of forking of described main transport channel 2 is 30 °, and the Length Ratio of Hou Yi branch and adjacent last branch is 0.6, and width ratio is 0.4.
Described liquid refrigerant is any one in pure water, methyl alcohol, ethanol, acetone.
Shown in Figure 5, copper powder sintering thickness can suitably regulate according to concrete working environment, and copper powder can be red metal, red copper, and brass, in the present embodiment, copper powder sintering thickness is 0.8mm, copper powder is selected red metal.
If figure is referring to as shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, the difference of the present embodiment and embodiment 1 is: described land area adopt vacuum sintering technique by silk screen equably sintering at condensation substrate 6, form, the angle of forking of described main transport channel 2 is 45 °, the Length Ratio of Hou Yi branch and adjacent last branch is 0.7, and width ratio is 0.5.
Further, described liquid refrigerant is any one in pure water, methyl alcohol, ethanol, acetone.
Referring to Fig. 1, Fig. 2, Fig. 3, shown in Fig. 6, a kind of bionical soaking plate liquid-sucking core, comprise for holding the central condensing zone 1 of liquid refrigerant, main transport channel 2, support column 3, interface channel 4, annular flange flange 5, condensation substrate 6, micro-channel 7, on described condensation substrate 6, be provided with land area, the rounded groove shape of described central condensing zone 1 is arranged at the land area middle part of condensation substrate 6, described main transport channel 2 be connected with central condensing zone 1 and take the edge of central condensing zone 1 as common starting point towards condensation substrate 6 be y-bend tree vein shape homogeneous radiation be distributed on condensation substrate 6, between described main transport channel 2, by interface channel 4, laterally connect, make all main transport channels 2 form the network channel mutually connecting, in the polygon land area surrounding at adjacent main transport channel 2, be processed with micro-channel 7, between each micro-channel 7, be formed for soaking plate to play support, increase the cube support column 3 of soaking plate intensity, the edge of described condensation substrate 6 is provided with flange to form complete soaking plate overall structure with evaporation ends welding.
In the present embodiment, described land area is the integral structure that material is identical with condensation substrate 6.Condensation substrate 6 is selected red metal, and diameter is 45mm, and thickness is 3mm, first adopts the method for laser engraving or chemical attack on substrate, to process vein shape passage (consisting of main transport channel 2 and interface channel 4), and main transport channel 2 degree of depth are 0.8mm.After vein shape passageway machining completes, can be formed with hexagon and heptagon boss that vein shape passage surrounds on substrate, now with laser engraving technique, on polygon boss, process micro-channel 7 again, working depth equals the degree of depth of main transport channel 2.
Referring to Fig. 6, the degree of depth of main transport channel 2 and microchannel width can be selected according to concrete working environment, and in the present embodiment, the degree of depth of micro-channel 7 is 0.8mm, and width is 0.08mm.
Shown in Figure 2, the length of the fractal passage first order of above-mentioned two case study on implementation middle period veiny conduit is 6mm, and width is 0.4mm, and angle of forking is 60 °, and rear one-level is respectively with Length Ratio and the width ratio of the fractal passage of previous stage: 0.7,0.6.And main transport channel 2 each level length ratio must be greater than or equal to channel width ratio at the same level.
Fig. 7 is the bionical soaking plate liquid-sucking core work structuring schematic diagram of the utility model embodiment 2, and as described in Figure, liquid-sucking core support column 3 is fastened down above evaporation ends 9, and described thermal source 8 is close to evaporation ends 9 belows.
Embodiment 4
As shown in Figure 8, the difference of the present embodiment and embodiment 1 is: described condensation substrate 6 is rectangle, and the rectangular groove shape of described central condensing zone 1 is arranged at the land area middle part of condensation substrate 6.
Embodiment 5
The difference of the present embodiment and embodiment 2 is: described condensation substrate 6 is rectangle, and the rectangular groove shape of described central condensing zone 1 is arranged at the land area middle part of condensation substrate 6.
The difference of the present embodiment and embodiment 3 is: described condensation substrate 6 is rectangle, and described in 6, the rectangular groove shape of central condensing zone 1 is arranged at the land area middle part of condensation substrate 6.
Above-described embodiment is preferably embodiment of the utility model, but the utility model is not restricted to the described embodiments, and can suitably regulate parameters to reach better implementation result according to concrete work condition environment.Other are any does not deviate from change, the modification made under Spirit Essence of the present utility model and principle, substitute, combination, simplify, and all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (9)
1. a bionical soaking plate liquid-sucking core, it is characterized in that: comprise for holding the central condensing zone (1) of liquid refrigerant, main transport channel (2), support column (3), interface channel (4), annular flange flange (5), condensation substrate (6), micro-channel (7), on described condensation substrate (6), be provided with land area, described central condensing zone (1) the land area middle part that is arranged at condensation substrate (6) in the form of slot, described main transport channel (2) be connected with central condensing zone (1) and take the edge of central condensing zone (1) as common starting point towards condensation substrate (6) be y-bend tree vein shape homogeneous radiation be distributed on condensation substrate (6), between described main transport channel (2), by interface channel (4), laterally connect, make all main transport channels (2) form the network channel mutually connecting, in the polygon land area surrounding at adjacent main transport channel (2), be processed with micro-channel (7), each micro-channel between (7) is formed for soaking plate to play support, increase the cube support column (3) of soaking plate intensity, the edge of described condensation substrate (6) is provided with flange to form complete soaking plate overall structure with evaporation ends (9) welding.
2. a kind of bionical soaking plate liquid-sucking core according to claim 1, it is characterized in that: described condensation substrate (6) is for circular, adopt copper coin, aluminium sheet or corrosion resistant plate that thickness is 1mm～3mm, the rounded groove shape of described central condensing zone (1) is arranged at the land area middle part of condensation substrate (6).
3. a kind of bionical soaking plate liquid-sucking core according to claim 1, it is characterized in that: described condensation substrate (6) is rectangle, adopt copper coin, aluminium sheet or corrosion resistant plate that thickness is 1mm～3mm, the rectangular groove shape of described central condensing zone (1) is arranged at the land area middle part of condensation substrate (6).
4. according to the bionical soaking plate liquid-sucking core described in claim 2 or 3, it is characterized in that: described land area is the identical integral structure of material with condensation substrate (6).
5. according to the bionical soaking plate liquid-sucking core described in claim 2 or 3, it is characterized in that: described land area is for adopting vacuum sintering technique, and the copper powder that is 0.075mm～0.150mm by particle diameter is the copper powder layer of sintering on above-mentioned condensation substrate (6) equably.
6. bionical soaking plate liquid-sucking core according to claim 5, is characterized in that: described copper powder is red metal, red copper or brass.
7. according to the bionical soaking plate liquid-sucking core described in claim 2 or 3, it is characterized in that: described land area adopts vacuum sintering technique by the silk screen silk screen layer of sintering on condensation substrate (6) equably.
8. bionical soaking plate liquid-sucking core according to claim 1, is characterized in that: the angle of forking of described main transport channel (2) is 30 °～60 °, and the Length Ratio of Hou Yi branch and adjacent last branch is 0.6～0.8, and width ratio is 0.4～0.6.
9. bionical soaking plate liquid-sucking core according to claim 1, is characterized in that: described liquid refrigerant is any one in pure water, methyl alcohol, ethanol, acetone.
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| CN201320633863.3U CN203518738U (en) | 2013-10-15 | 2013-10-15 | Bionic vapor chamber wick |
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| CN201320633863.3U CN203518738U (en) | 2013-10-15 | 2013-10-15 | Bionic vapor chamber wick |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542749A (en) * | 2013-10-15 | 2014-01-29 | 华南理工大学 | Simulated liquid absorbing core for heat uniformizing plate |
| CN104355283A (en) * | 2014-10-28 | 2015-02-18 | 北京航空航天大学 | Liquid one-direction spreading bionic surface texture |
| CN104457357A (en) * | 2014-11-28 | 2015-03-25 | 华南理工大学 | Device and method for automatically producing vapor chamber liquid absorbing cores |
| CN110943265A (en) * | 2019-05-07 | 2020-03-31 | 吉林大学 | Preparation and bidirectional heat flow control method of battery heat management device coupled with novel bionic heat pipe |
| CN111780601A (en) * | 2020-07-02 | 2020-10-16 | 西安交通大学 | Design method of vapor chamber liquid absorption core structure with enhanced capillary action |
-
2013
- 2013-10-15 CN CN201320633863.3U patent/CN203518738U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542749A (en) * | 2013-10-15 | 2014-01-29 | 华南理工大学 | Simulated liquid absorbing core for heat uniformizing plate |
| CN103542749B (en) * | 2013-10-15 | 2015-10-28 | 华南理工大学 | A kind of bionical soaking plate liquid-sucking core |
| CN104355283A (en) * | 2014-10-28 | 2015-02-18 | 北京航空航天大学 | Liquid one-direction spreading bionic surface texture |
| CN104457357A (en) * | 2014-11-28 | 2015-03-25 | 华南理工大学 | Device and method for automatically producing vapor chamber liquid absorbing cores |
| CN104457357B (en) * | 2014-11-28 | 2016-10-05 | 华南理工大学 | A kind of soaking plate wick automatic production device and method |
| CN110943265A (en) * | 2019-05-07 | 2020-03-31 | 吉林大学 | Preparation and bidirectional heat flow control method of battery heat management device coupled with novel bionic heat pipe |
| CN110943265B (en) * | 2019-05-07 | 2024-04-26 | 吉林大学 | Preparation of battery thermal management device coupled with novel bionic heat pipe and bidirectional heat flow control method |
| CN111780601A (en) * | 2020-07-02 | 2020-10-16 | 西安交通大学 | Design method of vapor chamber liquid absorption core structure with enhanced capillary action |
| CN111780601B (en) * | 2020-07-02 | 2021-08-13 | 西安交通大学 | Design method of vapor chamber liquid absorption core structure with enhanced capillary action |
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Granted publication date: 20140402 Effective date of abandoning: 20151028 |
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