CN107198269A - A kind of stealthy cape of controllable Three Dimensional Thermal based on the topological material of multilayer two-dimension - Google Patents
A kind of stealthy cape of controllable Three Dimensional Thermal based on the topological material of multilayer two-dimension Download PDFInfo
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- CN107198269A CN107198269A CN201710062119.5A CN201710062119A CN107198269A CN 107198269 A CN107198269 A CN 107198269A CN 201710062119 A CN201710062119 A CN 201710062119A CN 107198269 A CN107198269 A CN 107198269A
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D3/00—Overgarments
- A41D3/08—Capes
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
- A41D13/005—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment with controlled temperature
- A41D13/0051—Heated garments
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2400/00—Functions or special features of garments
- A41D2400/10—Heat retention or warming
- A41D2400/12—Heat retention or warming using temperature-controlled means
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- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The present invention provides a kind of stealthy cape of controllable Three Dimensional Thermal based on the topological material of multilayer two-dimension.The surface that the stealthy cape of controllable Three Dimensional Thermal is made up of two-dimensional topology material covers shell and realized.Wherein, surface covering shell is that multiple two-dimensional topology material circular layers are superimposed composition from bottom to top, by the crystallization degree for controlling two-dimensional topology material in different circular layers, the bulk thermal conductivity constants that every layer of correspondence can be made different, obtain the stealthy required three-dimensional thermal conductivity distribution of heat, and then hot-fluid is bypassed behind cape region, original distribution is recovered in temperature field, realizes hot stealthy function.Meanwhile, by the anti-crystallization process of crystallization of two-dimensional topology material in each circular layer of loop control, the real-time ON/OFF performance of hot stealthy cape is realized, so as to overcome the shortcoming that hot stealthy cape is unable to cycling switch.
Description
Technical field
The present invention relates to a kind of implementation method of stealthy cape of controllable Three Dimensional Thermal based on the topological material of multilayer two-dimension and
Device, can be applied to hot-fluid control field.
Background technology
, document 1 in 2006：“J.B.Pendry et al,SCIENCE,2006(312):1780 " propose using different first
The direction of propagation of light wave can be manipulated to medium, optic camouflage clothing concept is realized, the extensive concern of people is caused, as optics
The study hotspot in field.At the same time, the expansion field applied as optic camouflage clothing, i.e., manipulate heat by artificial structure
Direction is flowed, realizing that calorifics is stealthy also quick turns into a hot issue in thermodynamics field., document 2 in 2013：
“R.Schittny et al,Phys.Rev.Lett.2013(110):195901 " have made two using copper and dimethione
Tie up circular heat cape, experimental verification stealth effect., document 3 in 2013：“T.Z.Yang et al,J.Phys.D:
Appl.Phys.2013(46):305102 " derive the hot cape conversion medium thermal conductivity with conformal random cross-sectional shape
Expression formula, and simulation analysis its thermal conduction characteristics., document 4 in 2014：“F.C.Mao et al,Acta
Phys.Sin.2014(63):014401 " has carried out research and analysis to the hot cape of arbitrary cross section cylindricality, is derived two dimension non-
The thermal conductivity expression formula of the conformal hot cape of arbitrary shape.But, the design of current calorifics stealth structure is mostly based on two dimensional surface
Structural model is emulated and experiment test, and the three-dimensional stealthy cape of calorifics is then rarely reported.
In addition, the stealthy cape of current calorifics does not possess tunable function (i.e. the stealthy on/off function of heat) also, sentence is changed
The structure of the stealthy cape of calorifics is talked about once it is determined that its Stealth Fighter will be always in the presence of being unalterable later, it is main former
Can be by the natural material of active real-time monitoring because being a lack of thermal conductivity, this directly governs the further hair of calorifics stealth technology
Exhibition.Therefore a kind of simple and practical method of design is needed to be tuned the hot stealthy function of the stealthy cape of calorifics, he will be to heat
The practical application for learning stealthy cape is had very important significance, and its practicalization is promoted significantly.
Two-dimensional topology material has crystallization and noncrystalline two states, in the effect of ambient light, heat, electricity, magnetic or stress
Under, two-dimensional topology material can change between crystallization and noncrystalline two states, and change along with the state of two-dimensional topology material
Become, reversible change can also occur for its bulk thermal conductivity constants.
The present invention provides a kind of stealthy cape of controllable heat based on the topological material of multilayer two-dimension.The three-dimensional controllable heat is hidden
The surface that body cape is made up of two-dimensional topology material covers shell and realized.Wherein, covering shell in surface is multiple two-dimensional topologies
Material circular layer is superimposed composition from bottom to top, by controlling the crystallization degree of two-dimensional topology material in different circular layers, can make every layer
The different bulk thermal conductivity constants of correspondence, obtain the stealthy required three-dimensional thermal conductivity distribution of heat, and then hot-fluid is bypassed behind cape region,
Temperature field and thermoisopleth recover original distribution, realize hot stealthy function.Meanwhile, opened up by two dimension in each circular layer of loop control
Crystallization-anti-crystallization process of material is flutterred, the real-time ON/OFF performance of hot stealthy cape is realized, so as to overcome hot stealthy cape not
The shortcoming that can be switched.The present invention is based on two-dimensional topology material crystallization-anti-crystallization principle, can effectively save energy, extension camouflage
Time；In realization, using the widely used device such as electricity, light-operated switch, significantly reduce hot stealthy cape complexity and
Cost, practical application potentiality are big.Using the technology of the present invention, it can make the stealthy cape of calorifics in most of time in closing shape
State (i.e. not stealthy), makes other side detect some invalid calorifics information, and hot stealthy function is opened when needing and allows other side
Detection effectively hides various important informations less than its thermal signals, benumbs enemy, and us is taken action has emergentness.The technology
Computer chip high efficiency and heat radiation can be made, so as to improve computing power；Heat illusion is realized, infrared detector is confused；Simultaneously in boat
In the equipment such as its device return capsule, satellite there are huge applications to be worth.
The content of the invention
The technical problems to be solved by the invention are：Overcome the stealthy cape of existing calorifics be mostly based on two-dimension plane structure,
Do not possess the shortcoming of tunability (being unable to the stealthy function of ON/OFF heat) with the hot stealthy function of the stealthy cape of calorifics, utilize two
Topological this common materials of material of dimension make there is provided the new technology that one kind realizes controllable (can ON/OFF) the stealthy cape of three-dimensional calorifics
System possesses that simple in construction, speed is fast, be easy to operation, energy consumption small, real-time and the low advantage of cost of implementation.
Technical scheme：
A kind of stealthy cape of controllable Three Dimensional Thermal based on the topological material of multilayer two-dimension, including substrate layer, adiabatic wall,
The surface covering circular layer of two-dimensional topology material circular layer composition, the thin metal layer paster, interior for investing two-dimensional topology material circular layer inwall
Portion's supporting shell, control unit and supply unit；Surface covering circular layer is that the topological material circular layer of multilayer two-dimension is superimposed structure from bottom to top
Into, every layer of equal metal clad thin layer paster of two-dimensional topology material circular layer inner wall surface, between every layer of two-dimensional topology material circular layer
There is adiabatic wall to isolate；Internal supporting shell is on the inside of the topological material circular layer of multilayer two-dimension, for carrying multilayer two-dimension topology
Material circular layer, the target being hidden is positioned over the intracavitary of internal supporting shell；Internal supporting shell is contacted with thin metal layer paster, simultaneously
Internal supporting shell, which corresponds at each thin metal layer paster, is drilled with aperture, small aperture be 1 μm~1cm, depth be 1 μm~
10cm；Conducting wire in aperture, wire one end is connected on thin metal layer paster, and the other end sequentially passes through control unit and energy supply
Unit is grounded, by manipulating control unit, regulates and controls heat time of the supply unit to every layer of two-dimensional topology material circular layer, and then control
The crystallization degree of two-dimensional topology material in different two-dimensional topology material circular layers is made, makes every layer of two-dimensional topology material circular layer correspondence different
Bulk thermal conductivity constants, realize the stealthy required three-dimensional thermal conductivity distribution of heat, and then hot-fluid is bypassed behind cape region, temperature field and
Thermoisopleth recovers original distribution, realizes hot stealthy function.
Described two-dimensional topology material circular layer be shaped as hemisphere, it is cone, cosine body, positive body with cord, cylinder, half ellipse
Circle, square, cuboid or hexahedron, two-dimensional topology material circular layer independent control and work；Two-dimensional topology material circular layer
Material is BixSb1-x、HgTe、Bi2Te3、Bi2Se3Or Sb2Te3, its width is that 1 μm~10cm, thickness are 20nm~10cm.
Described thin metal layer paster is that Al pieces, Ag pieces, Au pieces, Cu pieces or Ni pieces its width are that 1 μm~10cm, thickness are
20nm~10cm.
The material of described adiabatic wall be calcium silicates, polyalcohol/polyisocyanates, RPUF,
Polystyrene foam plastics, foam glass, In2O3、SnO2Or ITO, its width is that 1nm~10cm, thickness are 1nm~10cm.
The material of described inside supporting shell is polyimides, plastics, BK7 optical glass, SiO2、Si3N4Or Al2O3；It is described
Substrate layer be BK7 optical glass, SiO2、Si3N4Or Al2O3。
Described control unit is automatically controlled, light-operated, acoustic control or magnetic switch；Described supply unit is electric energy, heat energy, light
Energy or nuclear energy；The topological material structure of described multilayer two-dimension is realized by Material growth technique, including electron beam evaporation, metal have
Machine compound chemical gaseous phase deposition, vapor phase epitaxial growth, molecular beam epitaxy technique.
Beneficial effects of the present invention：The present invention is based on two-dimensional topology material crystallization-anti-crystallization principle, can effectively save energy
Amount, the pseudo- ETL estimated time of loading of extension；In realization, using the widely used device such as electricity, light-operated switch, hot stealthy cape is significantly reduced
Complexity and cost, practical application potentiality are big.The technology can make computer chip high efficiency and heat radiation, so as to improve computer
Energy；Heat illusion is realized, infrared detector is confused；In the equipment such as spacecraft return capsule, satellite there are huge applications to be worth simultaneously.
The present invention provides a kind of stealthy cape of controllable Three Dimensional Thermal based on the topological material of multilayer two-dimension, can be by additional
Electricity, heat, light or magnetic field are distributed to the thermal conductivity for changing two-dimensional topology material this common materials realizes controllable there is provided one kind
The new technology of the stealthy cape of (can ON/OFF) three-dimensional calorifics so that system possesses that simple in construction, speed is fast, be easy to operation, energy consumption
The low advantage of small, real-time and cost of implementation.
Brief description of the drawings
Fig. 1 (a) is based on the stealthy bucket of controllable Three Dimensional Thermal of N layers of (N >=1) two-dimensional topology material for one kind that the present invention is provided
Paulin sectional drawing.
Fig. 1 (b) is based on the stealthy bucket of controllable Three Dimensional Thermal of N layers of (N >=1) two-dimensional topology material for one kind that the present invention is provided
Paulin top view.
Fig. 2 (a) is internal supporting shell schematic diagram.
Fig. 2 (b) is N layers of two-dimensional topology rings of material layer surface covering circular layer (N >=1) schematic diagram.
Fig. 2 (c) is the stealthy cape schematic diagram of controllable Three Dimensional Thermal.
Fig. 3 (a) is based on the stealthy bucket of controllable Three Dimensional Thermal of N layers of (N >=1) two-dimensional topology material for one kind that the present invention is provided
Paulin opens up the heat flux distribution situation under state in hot stealthy function.
Fig. 3 (b) is based on the stealthy bucket of controllable Three Dimensional Thermal of N layers of (N >=1) two-dimensional topology material for one kind that the present invention is provided
Heat flux distribution situation of the paulin under hot stealthy function closed mode.
In figure：1 substrate layer；
The 2 stealthy capes of controllable Three Dimensional Thermal based on N layers of (N >=1) two-dimensional topology material circular layer；
3 thin metal layer pasters；4 adiabatic walls；5 inside supporting shells；6 hot stealthy regions；7 apertures；
8 wires；9 control units；10 supply units；11 ground wires；12 thermoisopleths.
Embodiment
To cause the content of technical scheme to become apparent from, this is described in detail below in conjunction with technical scheme and accompanying drawing
The embodiment of invention.Material growth technology therein includes：Electron beam evaporation, metallo-organic compound chemical vapor deposition
The common technologies such as shallow lake, vapor phase epitaxial growth, and molecular beam epitaxy technique.Mask process therein includes electron beam exposure and focusing
The common technologies such as ion beam exposure.Etching technics therein includes wet etching and dry etching, and such as acid system etching, electron beam are carved
The conventional process such as erosion, focused-ion-beam lithography and reactive ion beam etching (RIBE).
Embodiment 1
First, internal supporting shell 5 is formed on substrate 1 using Material growth technique, such as shown in accompanying drawing 2 (a)；
Then, by Material growth technique and mask process, by designed two-dimensional topology material circular layer in substrate 1 and interior
The outer surface of portion's supporting shell 5 is successively superimposed from the bottom to top, realizes N layers of two-dimensional topology material surface covering circular layer 2, such as accompanying drawing 2 (b)
It is shown.Wherein, the design of two-dimensional topology material surface circular layer and internal supporting shell can use finite time-domain calculus of finite differences, finite element
Method scheduling algorithm.Thin metal layer paster 3 is formed on the inner ring that N layers of two-dimensional topology material surface cover circular layer 2 by coating process
Between wall and the outer wall of internal supporting shell 5.
Internal supporting shell corresponds at each thin metal layer paster 3, is all drilled with aperture 7.Conducting wire 8 in aperture, wire
One end is connected on thin metal layer paster 3, and the other end passes through control unit 9 and the ground wire 11 of supply unit 10, is controlled by manipulating
Unit 9 processed, can regulate and control the action time of 10 pairs of every layer of two-dimensional topology materials of supply unit, and then control two dimension in different circular layers
The crystallization degree of topological material, the bulk thermal conductivity constants that every layer of two-dimensional topology material circular layer correspondence can be made different realize that heat is stealthy
Required three-dimensional thermal conductivity distribution, and then hot-fluid is bypassed behind cape region, original distribution is recovered in temperature field, realizes that heat is stealthy
Function.A kind of stealthy cape of controllable Three Dimensional Thermal based on the topological material of multilayer two-dimension is finally realized, shown in such as accompanying drawing 2 (c).
As shown in figure 3, when the two dimension in a kind of stealthy cape of controllable Three Dimensional Thermal based on the topological material of multilayer two-dimension is opened up
The generating state change of material is flutterred, the distribution of its bulk thermal conductivity constants can also change, and then realize the regulation and control of direction of heat flow, realize
The "ON" of the stealthy function of heat is the external heat of shielding so that institute's hidden objectses are not detected by the external world in internal supporting shell 5, i.e.,
Hot-fluid passes through the stealthy bucket of the heat by not changing its thermoisopleth (shown in such as Fig. 3 (a)) and "Off" i.e. hot-fluid after the hot stealthy cape
Its thermoisopleth changes after paulin, causes the interior object of putting of internal supporting shell 5 to be detected by the external world (shown in such as Fig. 3 (b)).
Described above is the technical principle and instantiation that the present invention is applied, the equivalent change that the conception according to the present invention is done
Change, if its scheme for being used still covered without departing from specification and drawings spirit when, all should within the scope of the invention,
Illustrate hereby.
Claims (10)
1. a kind of stealthy cape of controllable Three Dimensional Thermal based on the topological material of multilayer two-dimension, it is characterised in that the controllable is three-dimensional
The stealthy cape of heat includes substrate layer, adiabatic wall, the surface covering circular layer of two-dimensional topology material circular layer composition, invests two dimension and open up
Flutter thin metal layer paster, internal supporting shell, control unit and the supply unit of material circular layer inwall；Surface covering circular layer is multilayer
Two-dimensional topology material circular layer is superimposed composition, the equal metal clad thin layer patch of every layer of two-dimensional topology material circular layer inner wall surface from bottom to top
There is adiabatic wall to isolate between piece, every two layers of two-dimensional topology material circular layer；Internal supporting shell is in the topological material of multilayer two-dimension
Expect on the inside of circular layer, for carrying the topological material circular layer of multilayer two-dimension, the target being hidden is positioned over the intracavitary of internal supporting shell；It is interior
Portion's supporting shell is contacted with thin metal layer paster, while internal supporting shell, which corresponds at each thin metal layer paster, is drilled with aperture,
Small aperture is that 1 μm~1cm, depth are 1 μm~10cm；Conducting wire in aperture, wire one end is connected to thin metal layer paster
On, the other end sequentially passes through control unit and supply unit ground connection, and by manipulating control unit, regulation and control supply unit is to every layer two
The heat time of the topological material circular layer of dimension, and then control the crystallization journey of two-dimensional topology material in different two-dimensional topology material circular layers
Degree, the bulk thermal conductivity constants for making every layer of two-dimensional topology material circular layer correspondence different realize the stealthy required three-dimensional thermal conductivity distribution of heat,
And then hot-fluid is bypassed behind cape region, temperature field and thermoisopleth recover original distribution, realize hot stealthy function.
2. the stealthy cape of controllable Three Dimensional Thermal according to claim 1, it is characterised in that described two-dimensional topology rings of material
Layer be shaped as hemisphere, cone, cosine body, positive body with cord, cylinder, semiellipsoid, square, cuboid or hexahedron,
Two-dimensional topology material circular layer independent control and work；The material of two-dimensional topology material circular layer is BixSb1-x、HgTe、Bi2Te3、
Bi2Se3Or Sb2Te3, its width is that 1 μm~10cm, thickness are 20nm~10cm.
3. the stealthy cape of controllable Three Dimensional Thermal according to claim 1 or 2, it is characterised in that described thin metal layer patch
Piece is Al pieces, Ag pieces, Au pieces, Cu pieces or Ni pieces, and its width is that 1 μm~10cm, thickness are 20nm~10cm.
4. the stealthy cape of controllable Three Dimensional Thermal according to claim 1 or 2, it is characterised in that described adiabatic wall
Material be calcium silicates, polyalcohol/polyisocyanates, RPUF, polystyrene foam plastics, foam glass
Glass, In2O3、SnO2Or ITO, its width is that 1nm~10cm, thickness are 1nm~10cm.
5. the stealthy cape of controllable Three Dimensional Thermal according to claim 3, it is characterised in that the material of described adiabatic wall
Matter be calcium silicates, polyalcohol/polyisocyanates, RPUF, polystyrene foam plastics, foam glass,
In2O3、SnO2Or ITO, its width is that 1nm~10cm, thickness are 1nm~10cm.
6. the stealthy cape of controllable Three Dimensional Thermal according to claim 1,2 or 5, it is characterised in that described inside support
The material of shell is polyimides, plastics, BK7 optical glass, SiO2、Si3N4Or Al2O3；Described substrate layer is BK7 optical glass,
SiO2、Si3N4Or Al2O3。
7. the stealthy cape of controllable Three Dimensional Thermal according to claim 3, it is characterised in that the material of described inside supporting shell
Matter is polyimides, plastics, BK7 optical glass, SiO2、Si3N4Or Al2O3；Described substrate layer is BK7 optical glass, SiO2、
Si3N4Or Al2O3。
8. the stealthy cape of controllable Three Dimensional Thermal according to claim 4, it is characterised in that the material of described inside supporting shell
Matter is polyimides, plastics, BK7 optical glass, SiO2、Si3N4Or Al2O3；Described substrate layer is BK7 optical glass, SiO2、
Si3N4Or Al2O3。
9. the stealthy cape of controllable Three Dimensional Thermal according to claim 1,2,5,7 or 8, it is characterised in that described control
Unit is automatically controlled, light-operated, acoustic control or magnetic switch；Described supply unit is electric energy, heat energy, luminous energy or nuclear energy.
10. the stealthy cape of controllable Three Dimensional Thermal according to claim 1,2,5,7 or 8, it is characterised in that described multilayer
Two-dimensional topology material circular layer is realized by Material growth technique, including electron beam evaporation, metallo-organic compound chemical vapor deposition
Shallow lake, vapor phase epitaxial growth and molecular beam epitaxial method.
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