CN103296452B - The Meta Materials of alternative wave transparent and antenna house - Google Patents
The Meta Materials of alternative wave transparent and antenna house Download PDFInfo
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- CN103296452B CN103296452B CN201210051048.6A CN201210051048A CN103296452B CN 103296452 B CN103296452 B CN 103296452B CN 201210051048 A CN201210051048 A CN 201210051048A CN 103296452 B CN103296452 B CN 103296452B
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Abstract
The present invention relates to Meta Materials and the antenna house of a kind of alternative wave transparent, this material includes at least one sheet of material, each sheet of material includes at least one piece of medium substrate and the artificial metal's micro structure being arranged on described medium substrate, described medium substrate is virtually divided into the medium substrate unit of multiple array arrangement, each medium substrate cell surface sets up plane right-angle coordinate virtually, the each quadrant being positioned at described coordinate system is provided with the first artificial metal micro structure being attached on medium substrate, it is positioned on the coordinate axes of described coordinate system and is provided with a second artificial metal's micro structure being attached on described medium substrate, wherein, described first artificial metal micro structure is king's font or the character form structure of falling king, described second artificial metal's micro structure is decussate texture.The present invention can reduce incident electromagnetic wave and be entered reflection during this material by air；Additionally, it also can carry out frequency selection, corresponding wave transparent and frequency filtering can be adjusted as required.
Description
Technical field
The present invention relates to a kind of material and antenna house, more particularly, it relates to the Meta Materials of a kind of alternative wave transparent and
Antenna house.
Background technology
Antenna house is used for protecting antenna system from the impact of wind and rain, ice and snow, sand and dust and solar radiation etc., makes antenna system
Service behaviour is more stable reliably, alleviates the abrasion of antenna system, corrosion and aging simultaneously, increases the service life.For at a high speed
The aircraft of flight, antenna house can also solve the problem that high temperature, airload and other load bring to antenna.
Prepare material many employings dielectric constant of antenna house at present and loss angle tangent be low and material that mechanical strength is high,
Such as fiberglass, epoxy resin, high molecular polymer etc., structure mostly is uniform single walled structure, sandwich and spatial skeleton knot
Structure etc..In the antenna house being made up of above-mentioned existing material, owing to the design of cone wall thickness need to take into account operation wavelength, antenna house
The factors such as size, shape, environmental condition, the material therefor performance in electric and structure, under conditions of ensureing high-transmission rate
Generally not possessing selectivity wave transparent function, therefore, antenna system is easily subject to the interference of external electromagnetic waves.
Summary of the invention
The technical problem to be solved in the present invention is: the defect existed for prior art, it is provided that a kind of alternative wave transparent
Meta Materials.
The technical solution adopted for the present invention to solve the technical problems is: construct the Meta Materials of a kind of alternative wave transparent,
This material includes that at least one sheet of material, each sheet of material include at least one piece of medium substrate and be arranged on described medium base
Artificial metal's micro structure on plate, described medium substrate is virtually divided into the medium substrate unit of multiple array arrangement, each
Medium substrate cell surface sets up plane right-angle coordinate virtually, and each quadrant being positioned at described coordinate system is provided with attached
A first artificial metal micro structure on medium substrate, be positioned on the coordinate axes of described coordinate system and be provided with an attachment
Second artificial metal's micro structure on described medium substrate, wherein, described first artificial metal micro structure is king's font or falls
King's character form structure, described second artificial metal's micro structure is decussate texture.
Further, described medium substrate unit is positioned at the first quartile of described coordinate system and the first of third quadrant
Making metal micro structure is king's character form structure.
Further, described medium substrate unit is positioned at the second quadrant of described coordinate system and the first of fourth quadrant
Make metal micro structure in the character form structure of falling king.
Further, described artificial metal's micro structure is made up of copper cash or silver wire.
Further, described medium substrate is by ceramic material, polytetrafluoroethylmaterial material, ferroelectric material, ferrite material, ferromagnetic
Material or FR-4 epoxy glass fiber are made.
Further, described sheet of material also includes the medium base that another block lid is located in described artificial metal's micro structure
Plate, makes described artificial metal's micro structure between described two pieces of medium substrates.
The invention also discloses a kind of antenna house, described antenna house is made up of the Meta Materials of alternative wave transparent, this material
Including at least one sheet of material, each sheet of material includes at least one piece of medium substrate and is arranged on described medium substrate
Artificial metal's micro structure, described medium substrate is virtually divided into the medium substrate unit of multiple array arrangement, each medium base
Plane right-angle coordinate is set up on Slab element surface virtually, is positioned at each quadrant of described coordinate system and is provided with and is attached to be situated between
A first artificial metal micro structure on matter base board unit, be positioned on the coordinate axes of described coordinate system be provided be attached to described
Second artificial metal's micro structure on medium substrate, wherein, described first artificial metal micro structure is king's font or the font of falling king
Structure, described second artificial metal's micro structure is decussate texture.
Further, described medium substrate unit is positioned at the first quartile of described coordinate system and the first of third quadrant
Making metal micro structure is king's character form structure.
Further, described medium substrate unit is positioned at the second quadrant of described coordinate system and the first of fourth quadrant
Make metal micro structure in the character form structure of falling king.
Further, described sheet of material also includes the medium base that another block lid is located in described artificial metal's micro structure
Plate, makes described artificial metal's micro structure between described two pieces of medium substrates.
Implement to the method have the advantages that the shape by appropriate design artificial metal's micro structure, size, change
Become the relative dielectric constant of material, refractive index and impedance, thus the impedance realizing this material be of substantially equal with the resistance value of air,
I.e. realizing impedance matching, to increase the transmission of incident electromagnetic wave to greatest extent, being entered by air so decreasing incident electromagnetic wave
Enter reflection during this material；Additionally, it also can carry out frequency selection, corresponding wave transparent and frequency filtering can be adjusted as required.
Accompanying drawing explanation
Fig. 1 is the structural representation of one sheet of material of Meta Materials of the alternative wave transparent of an embodiment of the present invention；
Fig. 2 is the structural representation of artificial metal's microstructured layers in embodiment；
Fig. 3 is the structural representation of metal microstructure unit in embodiment；
Fig. 4 is the Meta Materials S parameter analogous diagram of the alternative wave transparent that the embodiment of the present invention proposes.
Detailed description of the invention
Meta Materials is a kind of artificial electromagnetic material, its micro-knot of topological metal referring to sheet metal is engraved into given shape
Structure, and the topological metal micro structure of described given shape is arranged at processing and manufacturing on certain dielectric constant and pcrmeability base material
The extraordinary electromagnetic material of equivalence, its performance parameter depends primarily on the topological metal micro structure of the given shape of its sub-wavelength.?
Resonance band, artificial electromagnetic material generally embodies the dispersion characteristics of height, in other words, its impedance, holds perceptual, equivalent dielectric
Constant and pcrmeability can occur violent change along with frequency.Thus basic to antenna house of artificial electromagnetic material technology can be used
Characteristic is transformed.
Referring to Fig. 1 to Fig. 3, the present invention provides the Meta Materials of a kind of alternative wave transparent, and this material includes a material
Lamella, described sheet of material includes that two pieces of medium substrates 1 are clipped in the artificial metal's micro structure in the middle of described two medium substrates 1, institute
State the artificial metal's micro structure in the middle of two medium substrates 1 and form artificial metal's microstructured layers 2.Described medium substrate 1 is by pottery
Material, polytetrafluoroethylmaterial material, ferroelectric material, ferrite material, ferromagnetic material or FR-4 epoxy glass fiber are made.In this enforcement
In example, described medium substrate 1 is made for FR-4 epoxy glass fiber, and it has a low price, good adhesion, agent of low hygroscopicity, absolutely
The advantages such as edge is good, and flame resistance is good, good stability, good electric property.
One medium substrate 1 is virtually divided into the medium substrate unit of multiple array arrangement, each medium substrate
The corresponding metal microstructure unit 21 of unit.Each medium substrate cell surface sets up plane right-angle coordinate, position virtually
The first artificial metal micro structure 211 being attached on medium substrate 1 it is provided with in each quadrant of described coordinate system,
It is positioned on the coordinate axes of described coordinate system and is provided with a second artificial metal's micro structure being attached on described medium substrate 1
212, wherein, described first artificial metal micro structure 211 in king's font or the character form structure of falling king, the described second micro-knot of artificial metal
Structure 212 is in decussate texture.
In the present embodiment, described medium substrate unit is positioned at the of the first quartile of described coordinate system and third quadrant
One artificial metal's micro structure 211 is in king's character form structure；Described medium substrate unit is positioned at second quadrant and of described coordinate system
The first artificial metal micro structure 211 in four-quadrant is in the character form structure of falling king, and the most described four king's font metal structures are by it
In king's font metal structure of a quadrant form around the central shaft half-twist successively being perpendicular to microstructure plane, they are flat
There are in face 90 ° of rotational invariances.
The orthographic projection of described second artificial metal's micro structure 212 is positioned at horizontally and vertically going up of described coordinate system, thus shape
Each medium substrate unit is become to be attached with the form of five metal micro structures.Described artificial metal's micro structure can be by copper cash or silver wire
Making, in the present embodiment, it is made up of silver wire.When making the present invention, employing is first printed described artificial on a medium substrate 1
Metal micro structure, lid sets the design of another medium substrate 1 the most again, thus largely reduces process complexity and operation
Cost.
When the electromagnetic wave transparent material of the present invention is applied on antenna house, electromagnetic wave is by the Meta Materials of described alternative wave transparent
As shown in Figure 4, simulation result shows analogous diagram: near frequency 1.86GHz and 2.31GHz, and antenna house has good wave transparent
Performance.It addition, near 1.7GHz and 2.05GHz, the close-50dB of transmission coefficient S21 of antenna house, transmission is minimum, has band
Resistive matter.Can use as selective filter function near this frequency, therefore, the electromagnetic wave transparent material of the present invention is applied at antenna
Time on cover, then can weaken the interference to antenna of the useless electromagnetic wave, strengthen the performance of whole antenna communication system.
When needs mate with air in other frequency ranges, by changing the size of material cell or metal can be made
Microstructure size realizes, and size diminishes and mates shifting after frequency range, becomes large-sized coupling frequency range reach.
In sum, the present invention passes through the shape of appropriate design artificial metal's micro structure, size, changes the relative of material
Dielectric constant, refractive index and impedance, thus the impedance realizing this material is of substantially equal with the resistance value of air, i.e. realizes impedance
Join, to increase the transmission of incident electromagnetic wave to greatest extent, so decreasing when incident electromagnetic wave is entered this material by air
Reflection；Additionally, it also can carry out frequency selection, corresponding wave transparent and frequency filtering can be adjusted as required.
Above in conjunction with accompanying drawing, embodiments of the invention are described, but the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned detailed description of the invention is only schematic rather than restrictive, those of ordinary skill in the art
Under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, it may also be made that a lot
Deformation, within these belong to the protection of the present invention.
Claims (10)
1. the Meta Materials of an alternative wave transparent, it is characterised in that this material includes at least one sheet of material, each material
Lamella includes at least one piece of medium substrate and the artificial metal's micro structure being arranged on described medium substrate, and described medium substrate is empty
Be divided into the medium substrate unit of multiple array arrangement with intending, each medium substrate cell surface is set up flat square virtually and is sat
Mark system, each quadrant being positioned at described coordinate system is provided with the first micro-knot of artificial metal being attached on medium substrate
Structure, is positioned on the coordinate axes of described coordinate system and is provided with a second micro-knot of artificial metal being attached on described medium substrate
Structure, wherein, described first artificial metal micro structure is king's font or the character form structure of falling king, described second artificial metal's micro structure in
Decussate texture.
The Meta Materials of alternative wave transparent the most according to claim 1, it is characterised in that described medium substrate unit is positioned at
The first quartile of described coordinate system is king's character form structure with the first artificial metal micro structure in third quadrant.
The Meta Materials of alternative wave transparent the most according to claim 1 and 2, it is characterised in that described medium substrate unit
It is positioned at the second quadrant of described coordinate system and the first artificial metal micro structure of fourth quadrant in the character form structure of falling king.
The Meta Materials of alternative wave transparent the most according to claim 1 and 2, it is characterised in that the micro-knot of described artificial metal
Structure is made up of copper cash or silver wire.
The Meta Materials of alternative wave transparent the most according to claim 1 and 2, it is characterised in that described medium substrate is by making pottery
Ceramic material, polytetrafluoroethylmaterial material, ferroelectric material, ferrite material, ferromagnetic material or FR-4 epoxy glass fiber are made.
The Meta Materials of alternative wave transparent the most according to claim 1 and 2, it is characterised in that described sheet of material is also wrapped
Include the medium substrate that another block lid is located in described artificial metal's micro structure, make described artificial metal's micro structure be positioned at described two pieces
Between medium substrate.
7. an antenna house, it is characterised in that described antenna house is made up of the Meta Materials of alternative wave transparent, this material include to
A few sheet of material, each sheet of material includes at least one piece of medium substrate and the artificial gold being arranged on described medium substrate
Belonging to micro structure, described medium substrate is virtually divided into the medium substrate unit of multiple array arrangement, each medium substrate unit
Plane right-angle coordinate is set up on surface virtually, is positioned at each quadrant of described coordinate system and is provided with and is attached to medium substrate
A first artificial metal micro structure on unit, is positioned on the coordinate axes of described coordinate system to be provided with and is attached to described medium base
Second artificial metal's micro structure on plate, wherein, described first artificial metal micro structure is king's font or the character form structure of falling king, institute
Stating second artificial metal's micro structure is decussate texture.
Antenna house the most according to claim 7, it is characterised in that described medium substrate unit is positioned at the of described coordinate system
One quadrant is king's character form structure with the first artificial metal micro structure in third quadrant.
9. according to the antenna house described in claim 7 or 8, it is characterised in that described medium substrate unit is positioned at described coordinate system
The second quadrant and fourth quadrant in the first artificial metal micro structure in the character form structure of falling king.
10. according to the antenna house described in claim 7 or 8, it is characterised in that described sheet of material also includes that another block lid is located at
Medium substrate in described artificial metal's micro structure, makes described artificial metal's micro structure between described two pieces of medium substrates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210051048.6A CN103296452B (en) | 2012-02-29 | 2012-02-29 | The Meta Materials of alternative wave transparent and antenna house |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210051048.6A CN103296452B (en) | 2012-02-29 | 2012-02-29 | The Meta Materials of alternative wave transparent and antenna house |
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| CN103296452A CN103296452A (en) | 2013-09-11 |
| CN103296452B true CN103296452B (en) | 2016-12-14 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789905B (en) * | 2016-02-26 | 2018-11-06 | 哈尔滨工业大学深圳研究生院 | A kind of super surface of gyromagnet substrate based on metallic film antistructure |
| CN107069160B (en) * | 2017-01-24 | 2020-04-10 | 东莞同济大学研究院 | Microwave band-pass filter with wave absorbing function |
| CN107579328B (en) * | 2017-09-26 | 2020-01-14 | 中国计量大学 | E-shaped full-medium super-surface electromagnetic induction transparent resonance device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0520134A1 (en) * | 1991-06-27 | 1992-12-30 | Daimler-Benz Aerospace Aktiengesellschaft | Frequency selective surface structure |
| CN202034458U (en) * | 2011-04-01 | 2011-11-09 | 中国计量学院 | Terahertz wave filter with periodic anisotropic opening four-opening type hollowed-out structures |
-
2012
- 2012-02-29 CN CN201210051048.6A patent/CN103296452B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0520134A1 (en) * | 1991-06-27 | 1992-12-30 | Daimler-Benz Aerospace Aktiengesellschaft | Frequency selective surface structure |
| CN202034458U (en) * | 2011-04-01 | 2011-11-09 | 中国计量学院 | Terahertz wave filter with periodic anisotropic opening four-opening type hollowed-out structures |
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| CN103296452A (en) | 2013-09-11 |
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Effective date of registration: 20210421 Address after: 518057 2 / F, software building, No.9, Gaoxin Middle Road, Nanshan District, Shenzhen, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 518034. A, 18B, CIC international business center, 1061 Mei Xiang Road, Shenzhen, Guangdong, Futian District Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |
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