CN208507968U - A kind of three-dimensional structure metamaterial - Google Patents
A kind of three-dimensional structure metamaterial Download PDFInfo
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- CN208507968U CN208507968U CN201820991943.9U CN201820991943U CN208507968U CN 208507968 U CN208507968 U CN 208507968U CN 201820991943 U CN201820991943 U CN 201820991943U CN 208507968 U CN208507968 U CN 208507968U
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Abstract
The utility model discloses a kind of three-dimensional structure metamaterials, the three-dimensional structure metamaterial includes: the polyhedral structure being made of multiple conductive geometric units, the quantity of polyhedral structure is multiple and arranges in the period, and electronic component is equipped in any conductive geometric units of polyhedral structure, conductive geometric units include conductive geometry, and the electronic component on conductive geometry and conductive geometric units is electrically connected.The above-mentioned technical proposal of the utility model, a kind of Meta Materials with three-dimensional structure are provided, by using the combination of metamaterial microstructure and electronic component, and pass through the three-dimensional structure metamaterial using this brand-new design, it is set to have low frequency absorbing property, and wave-absorbing effect is more satisfactory.
Description
Technical field
The utility model relates to a kind of Meta Materials, it particularly relates to a kind of three-dimensional structure metamaterial.
Background technique
With scientific technological advance make rapid progress, using electromagnetic wave as the technology of medium, various products more and more, electromagnetism
Influence of the wave radiation to environment also increasingly increases.Radio wave may interfere airport environment, cause airplane flight can not
Normally take off；Mobile phone can may often interfere the work of various precise electronic medical instruments；Even common computer also can
Radiation carries the electromagnetic wave of information, it may be received and reappear other than several kilometers, to cause national defence, politics, economy, section
The leakage of skill etc. information.Therefore, electromagnetic pollution is administered, a kind of material that can be kept out and weaken electromagenetic wave radiation is found ---
Absorbing material, it has also become the big project of the one of material science.In addition, other aspects of the absorbing material including military affairs also have extensively
Using, such as stealthy machine, contact clothing etc..
Absorbing material is a kind of material that can absorb the electromagnetic wave energy for projecting its surface, the base of material electromagnetic wave absorption
This condition is: when (1) on electromagnetic wave incident to material, it can enter material internal to the maximum extent, that is, require material have
With characteristic；(2) into the electromagnetism wave energy of material internal, promptly almost all is attenuated, i.e. attenuation characteristic.Realize first item
The method of part first is that using special boundary condition, such as apply conductance, magnetic conductance on the surface of high conductance, high magnetic conductance absorbing material
Close to the medium of air conductance, magnetic conductance, keep electromagnetic wave incident to the maximum extent；And it realizes second condition and then material is required to have
High electromagnetic consumable.
Existing absorbing meta-material is made of conductive geometry and baseplate material, by Jie for changing conductive geometry
The absorbing material that electric constant and magnetic conductivity obtain absorbs effect for the electromagnetic wave phase of specific frequency is for common absorbing material
Fruit has had biggish progress, but usually the relatively good frequency range of assimilation effect is very narrow.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For the problems in the relevant technologies, the utility model proposes a kind of three-dimensional structure metamaterials, this complete by utilizing
Newly-designed three-dimensional structure metamaterial makes it have low frequency absorbing property, and wave-absorbing effect is more satisfactory.
The technical solution of the utility model is achieved in that
One aspect according to the present utility model provides a kind of three-dimensional structure metamaterial.
The three-dimensional structure metamaterial includes: the polyhedral structure being made of multiple conductive geometric units, polyhedral structure
Quantity is multiple and arranges in the period, and is equipped with electronic component in any conductive geometric units of polyhedral structure, conductive several
What unit includes conductive geometry, and the electronic component on conductive geometry and conductive geometric units is electrically connected.
One embodiment according to the present utility model, multiple polyhedron knots are rectangular parallelepiped structure.
One embodiment according to the present utility model, multiple rectangular parallelepiped structures are stacked gradually along three-dimensional.
Each apex of one embodiment according to the present utility model, conductive geometric units is respectively equipped with electronic component,
And multiple electronic components are electrically connected at the conductive geometry of conductive geometric units.
One embodiment according to the present utility model, conductive geometric units further include: substrate, conductive geometry setting exist
Above substrate.
One embodiment according to the present utility model, conductive geometry are arranged on the inner surface of polyhedral structure, and
Conductive geometry on each inner surface is all the same.
One embodiment according to the present utility model, conductive geometry include: the first metal wire, along conductive geometry list
The edge of member extends, and the first metal wire is equipped with the first gap, and the first gap setting is on each edge edge with conductive geometric units
Middle part and vertex correspondence position at；And second metal wire, along the middle part guide on each edge edge of conductive geometric units
The center of electric geometric units extends, and the second gap is equipped at the center of conductive geometric units.
One embodiment according to the present utility model, the second gap are greater than the first gap, and the length of the first metal wire is greater than
The length of second metal wire.
The width of one embodiment according to the present utility model, the width of the first metal wire and the second metal wire is equal；Or
The width of person, the width of the first metal wire and the second metal wire is unequal.
One embodiment according to the present utility model, the first metal wire are equipped with inclined in the apex of conductive geometric units
Edge.
The advantageous effects of the utility model are:
The above-mentioned technical proposal of the utility model provides a kind of Meta Materials with three-dimensional structure, by using super material
Expect the combination of micro-structure and electronic component, and by the three-dimensional structure metamaterial using this brand-new design, it is made to have low frequency suction
Wave performance, and wave-absorbing effect is more satisfactory.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the schematic diagram according to the three-dimensional structure metamaterial of the utility model embodiment；
Fig. 2 is the schematic diagram according to the conductive geometric units of the utility model embodiment；
Fig. 3 is the schematic diagram according to the absorptivity of the three-dimensional structure metamaterial of the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
Embodiment according to the present utility model provides a kind of three-dimensional structure metamaterial.
It as shown in connection with fig. 1, include: by multiple conductive geometry lists according to the three-dimensional structure metamaterial of the utility model embodiment
The polyhedral structure 20 that member 10 rearranges.It should be appreciated that although a polyhedral structure 20 is shown in Fig. 1, at this
In the three-dimensional structure metamaterial of utility model, the quantity of polyhedral structure 20 is multiple, and multiple polyhedral structures 20 are in week
Phase arrangement.In addition, being equipped with electronic component 30, and conductive geometry list in any conductive geometric units 10 of polyhedral structure 20
Member 10 includes conductive geometry 14,30 electricity of electronic component being arranged on the conduction geometry 14 and conductive geometric units 10
Property connection.
By means of the above-mentioned technical proposal of the utility model, by using the combination of metamaterial microstructure and electronic component,
And by the three-dimensional structure metamaterial using this brand-new design, it is set to have low frequency absorbing property, and wave-absorbing effect is more satisfactory.
In order to preferably describe the embodiments of the present invention, it is described in detail below by specific embodiment.
Continuing with shown in Fig. 1, the three-dimensional structure metamaterial of the utility model includes: by 10 row of multiple conductive geometric units
The polyhedral structure 20 of composition is arranged, and the apex of any one side of polyhedral structure 20 is equipped with electronic component 30, wherein should
Electronic component 30 can be capacitor, resistance, diode etc., so that the design of the three-dimensional structure absorbing meta-material combines impedance matching
Principle and resistance, inductance and capacitance principle, and polyhedral model is designed, extraordinary wave-absorbing effect is made it have, and
And weight is also more satisfactory.In addition, the specific structure of the polyhedral structure 20 can be selected according to actual needs, for example, should
Polyhedral structure 20 can be not construed as limiting this for structures, the utility model such as tetrahedron, hexahedron, octahedron, dodecahedrons.
It for ease of description, is to be described for cuboid and in conjunction with Fig. 1-3 below by the polyhedron.
In one embodiment, the polyhedral structure 20 that multiple conductive geometric units 10 rearrange is rectangular parallelepiped structure,
To which the shape of the three-dimensional structure metamaterial uses rectangular parallelepiped structure.Wherein, multiple cuboid knots in three-dimensional structure metamaterial
Structure is stacked gradually along three-dimensional.Carrying out three-dimensional arrangement in a manner of this rectangle, most of space is air, because
This overall weight is low, and has the advantages that surface density is low.It should be appreciated that for clarity, illustrating only polyhedral structure 20 in Fig. 1
Four faces.
In addition, referring to figs. 1 and 2, conductive geometric units 10 further include: substrate 12, conductive geometry 14 are arranged
Side on the substrate 12.Wherein, conductive geometry 14 is arranged on the inner surface of polyhedral structure 20.Also, each inner surface
On conductive geometry 14 can all be identical.The three-dimensional structure metamaterial is tied by using frequency-selective surfaces (FSS)
Design of the structure in conjunction with analog circuit, therefore relevant work frequency can be adjusted according to practical situations.Also, conductive geometry
Unit 10 can be the substrate being made of prepreg and be combined with conductive geometry 14, meanwhile, which is by Gao Jie
The prepreg of electric constant is constituted, and combines the three-dimensional arrangement of rectangular mode, can further decrease overall weight.
In addition, as shown in Fig. 2, conductive geometric units 10 are rectangle, and leading in the conduction geometric units 10 is set
Electric geometry 14 includes the first metal wire 142, which extends along the edge of conductive geometric units 10, and
First metal wire 142 be equipped with the first gap 144, the first gap 144 be arranged in in each edge edge of conductive geometric units 10
At portion and the position of vertex correspondence.Conductive geometry 14 further includes the second metal wire 146, and second metal wire 146 is along leading
The middle part on each edge edge of electric geometric units 10 extends to the center of conductive geometric units 10, and at the center of conductive geometric units
Place is equipped with the second gap 148.
Wherein, the second gap 148 is greater than the first gap 144, in addition, the length of the first metal wire 142 is greater than the second metal
The length of line 146.Meanwhile first metal wire 142 width and the second metal wire 146 width it is equal.First metal wire 142 exists
The apex of conductive geometric units 10 is equipped with inclined edge 149.In addition, of course it is to be understood that first metal wire 142,
The geometric dimension of two metal wires 146, the first gap 144 and the second gap 148 can be configured according to actual needs.For example,
In one embodiment, the width of the width of first metal wire 142 and the second metal wire 146 can be unequal, the utility model
This is not construed as limiting.To which the utility model combines impedance matching principle and rlc circuit principle, according to control input impedance
It is required that arranging remaining material layer, and adjust the arrangement of structure, this composite construction can in L-band wave-absorbing effect it is more satisfactory.
As shown in figure 3, wherein abscissa indicates the frequency of electromagnetic wave, unit GHz；Ordinate indicates s parameter, unit dB.By Fig. 3
Shown in s11 parameter curve it is found that the utility model three-dimensional structure metamaterial L-band (1GHz-2GHz) inhale wave rate
Substantially all 90% or more, band segment is even up to 99%.
In addition, each apex of conductive geometric units 10 is respectively equipped with electronic component 30, and multiple with continued reference to Fig. 2
Electronic component 30 is electrically connected at the conductive geometry 14 of conductive geometric units 10.In the present embodiment, electronic component 30
It is to be electrically connected with the first metal wire 142 of conductive geometry 14.In addition, of course it is to be understood that the electronic component 30 is set
Seated position can also be configured according to actual needs, and the utility model does not limit this.
Although in addition, of course it is to be understood that Fig. 1, Fig. 2 shows a kind of shape of micro-structure of conductive geometric units,
This field is it should be understood that coefficient and shape of conductive geometry etc. can be arranged in it according to actual needs, for example, practical according to this
The shape of novel one embodiment, the conduction geometry is flakes, cross etc., and the utility model does not limit this
It is fixed.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of three-dimensional structure metamaterial, which is characterized in that including the polyhedral structure being made of multiple conductive geometric units, institute
It states the quantity of polyhedral structure to be multiple and arrange in the period, and is all provided in any conductive geometric units of the polyhedral structure
There is electronic component, the conduction geometric units include conductive geometry, the conduction geometry and the conductive geometry
Electronic component on unit is electrically connected.
2. three-dimensional structure metamaterial according to claim 1, which is characterized in that the multiple polyhedron knot is cuboid
Structure.
3. three-dimensional structure metamaterial according to claim 2, which is characterized in that multiple rectangular parallelepiped structures are along three-dimensional
It stacks gradually.
4. three-dimensional structure metamaterial according to claim 1, which is characterized in that punish on each vertex of conductive geometric units
Not She You the electronic component, and multiple electronic components are electrically connected at the conductive geometry of the conductive geometric units.
5. three-dimensional structure metamaterial according to claim 1, which is characterized in that the conduction geometric units further include: base
Plate, the conduction geometry setting are square on the substrate.
6. three-dimensional structure metamaterial according to claim 5, which is characterized in that the conduction geometry is arranged described
Conductive geometry on the inner surface of polyhedral structure, and on each inner surface is all the same.
7. three-dimensional structure metamaterial according to claim 5, which is characterized in that it is described conduction geometry include:
First metal wire, the edge along the conductive geometric units extends, and first metal wire is equipped with the first gap, institute
State the first gap setting with the middle part on each edge edge and the position of vertex correspondence of the conductive geometric units at；And
Second metal wire, the middle part along each edge edge of the conductive geometric units are prolonged to the center of the conductive geometric units
It stretches, and is equipped with the second gap at the center of the conductive geometric units.
8. three-dimensional structure metamaterial according to claim 7, which is characterized in that second gap is greater than between described first
Gap, the length of first metal wire are greater than the length of second metal wire.
9. three-dimensional structure metamaterial according to claim 7, which is characterized in that the width of first metal wire and described
The width of second metal wire is equal；Alternatively, the width of the width of first metal wire and second metal wire is unequal.
10. three-dimensional structure metamaterial according to claim 7, which is characterized in that first metal wire is in the conduction
The apex of geometric units is equipped with inclined edge.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820991943.9U CN208507968U (en) | 2018-06-26 | 2018-06-26 | A kind of three-dimensional structure metamaterial |
| PCT/CN2018/125123 WO2020000978A1 (en) | 2018-06-26 | 2018-12-29 | Metamaterial with three-dimensional structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820991943.9U CN208507968U (en) | 2018-06-26 | 2018-06-26 | A kind of three-dimensional structure metamaterial |
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| Publication Number | Publication Date |
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| CN208507968U true CN208507968U (en) | 2019-02-15 |
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| CN201820991943.9U Active CN208507968U (en) | 2018-06-26 | 2018-06-26 | A kind of three-dimensional structure metamaterial |
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