CN106058457B - A kind of ultra-thin low pass frequency selects Meta Materials wave transparent antenna house - Google Patents
A kind of ultra-thin low pass frequency selects Meta Materials wave transparent antenna house Download PDFInfo
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- CN106058457B CN106058457B CN201610316310.3A CN201610316310A CN106058457B CN 106058457 B CN106058457 B CN 106058457B CN 201610316310 A CN201610316310 A CN 201610316310A CN 106058457 B CN106058457 B CN 106058457B
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- structure layer
- shaped structure
- antenna house
- meta materials
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0086—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials
Abstract
A kind of ultra-thin low pass frequency selects Meta Materials wave transparent antenna house, including at least one metamaterial sheet, and each metamaterial sheet includes the multiple man-made microstructures of first substrate and array arrangement on the first substrate；The man-made microstructure includes the first I-shaped structure layer, the second I-shaped structure layer and cross structure layer, and the first I-shaped structure layer is identical as the second I-shaped structure layer structure, and cross structure is placed between the first I-shaped structure layer and the second I-shaped structure layer；It is wire casing structure among first I-shaped structure layer, the second I-shaped structure layer, intermediate connecting portion is square patch capacitor, and patch capacitor connect conducting with metal part.The present invention so that antenna house possesses preferable wave transparent performance, and has relatively thin thickness, the weight of low-frequency range antenna house is greatly reduced, improve the competitiveness under related application environment by special structure setting.And it is also able to achieve the function of frequency selection, improves the Stealth Fighter of antenna house and antenna device system.
Description
Technical field
The present invention relates to a kind of antenna houses, select Meta Materials wave transparent antenna house more specifically to a kind of ultra-thin low pass frequency.
Background technique
Meta Materials are commonly called as Meta Materials, are a kind of novel artificial synthetic materials, are the substrates made of nonmetallic materials and attached
On the surface of the substrate or multiple man-made microstructures for being embedded in inside substrate are constituted.Substrate can be virtually divided into rectangle
Multiple base board units of array arrangement are attached with man-made microstructure on each base board unit, so that a metamaterial unit is formed,
Entire Meta Materials are made of many such metamaterial units, just as crystal is by countless lattices according to certain arrangement
It constitutes.Man-made microstructure in each metamaterial unit can be identical or not exactly the same.Man-made microstructure is by metal
Plane or stereochemical structure with certain geometric figure of silk composition, such as composition circular ring shape, I-shaped wire etc..
Due to the presence of man-made microstructure, each metamaterial unit has the electromagnetic property different from substrate itself, therefore
The Meta Materials that all metamaterial units are constituted show special response characteristic to electric and magnetic fields；By to man-made microstructure
Design different specific structure and shape, thus it is possible to vary the response characteristic of entire Meta Materials.
In general, it illustrates such as:, can be by wave number due to transmitting the change of wave number after traditional sucrose material is filled in waveguide
It is determined again by the structure size of waveguide, so, time high the mould even interference of higher mode can be generated after waveguide filled media.Again
It, after filled media, due to the mismatch of impedance, it will generate back wave, this is particularly evident in HIGH-POWERED MICROWAVES system.
It is past in order to protect antenna not influenced its performance by adverse circumstances such as sleet, strong wind for the antenna of low-frequency range work
It is past to need that antenna protection, in order to guarantee its wave transparent performance, generally since Antenna Operation is compared with low-frequency range with antenna house
Antenna house thickness design is the 1/2 of Antenna Operation band wavelength, and such as in 2.4GHz, antenna operating wavelength is about 150mm, antenna house
With a thickness of 75mm or so, biggish thickness makes antenna house weight very big, and antenna is caused to be covered with higher cost, the larger inconvenience of weight
In transport the disadvantages of.Under certain specific use environments, antenna house is needed to possess outside preferable wave transparent performance, it is also necessary to day
Irdome has lighter weight, and traditional antenna cover has been not suitable for and such environment.
Summary of the invention
The object of the present invention is to provide a kind of ultra-thin low pass frequencies to select Meta Materials wave transparent antenna house, to solve the above problems at least
On one side.
According to an aspect of the present invention, a kind of ultra-thin low pass frequency is provided and selects Meta Materials wave transparent antenna house, including at least one
Metamaterial sheet, each metamaterial sheet include the multiple artificial micro- knots of first substrate and array arrangement on the first substrate
Structure；The man-made microstructure includes the first I-shaped structure layer, the second I-shaped structure layer and cross structure layer, the first I-shaped structure layer
Identical as the second I-shaped structure layer structure, cross structure is placed between the first I-shaped structure layer and the second I-shaped structure layer；The
It is wire casing structure among one I-shaped structure layer, the second I-shaped structure layer, intermediate connecting portion is square patch capacitor, patch electricity
Appearance connect conducting with metal part；The cross structure layer is the positive cross structure of connection.
In certain embodiments of the present invention, the first substrate in the metamaterial sheet can be divided into multiple Meta Materials
Unit, wherein being placed with the man-made microstructure in each metamaterial unit.
In certain embodiments of the present invention, metal micro structure is clipped among two layers of media substrate, and multilayered structure can be more
Good protection micro-structure, avoids it from corroding under extraneous mal-condition, it is ensured that the dielectric properties of antenna house.
In certain embodiments of the present invention, the media substrate is epoxy resin base plate, relative dielectric constant
3.2, magnetic conductivity is that 1.0 loss angle tangents are 0.008.
In certain embodiments of the present invention, the metal micro structure is the copper sheet with a thickness of 0.018mm.
In certain embodiments of the present invention, square patch capacitor side length is 0.35mm.
In certain embodiments of the present invention, metal micro structure length and width are 6mm, the first I-shaped structure layer, the second work
Wire casing gap among word structure sheaf is 0.35mm, and the cross line width of cross structure layer is 2mm.
In certain embodiments of the present invention, single-layer medium base material thickness be 1.5mm, single-layer metal micro-structure with a thickness of
0.018mm, metal micro structure is clipped among two layers of media substrate and two surfaces, overall thickness 1.5*2+0.018*3=
3.036mm。
The beneficial effects of the present invention are: the antenna house based on Meta Materials technology, is designed by special structure, so that antenna
Cover possesses preferable wave transparent performance, and has relatively thin thickness, and the weight of low-frequency range antenna house is greatly reduced, improves correlation and answers
With the competitiveness under environment.And it is also able to achieve the function of frequency selection by Meta Materials design, improves antenna house and day line device
The Stealth Fighter of part system.
Detailed description of the invention
Fig. 1, Fig. 2 are the schematic diagrames of man-made microstructure unit；
Fig. 3 is the schematic diagram of cross structure layer；
Fig. 4 is the schematic diagram of the first I-shaped structure layer, the second I-shaped structure layer；
Fig. 5, Fig. 6 are the schematic diagrames of 3*3 man-made microstructure unit.
Fig. 7 is that Meta Materials low frequency frequency selects structure simulation figure.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
In Fig. 1-Fig. 6, a kind of ultra-thin low pass frequency selects Meta Materials wave transparent antenna house, including at least one metamaterial sheet, often
One metamaterial sheet includes the multiple man-made microstructures of first substrate and array arrangement on the first substrate；It is described artificial micro-
Structure includes the first I-shaped structure layer 2, the second I-shaped structure layer 3 and cross structure layer 1, the first I-shaped structure layer 2 and the second work
3 structure of word structure sheaf is identical, and cross structure layer 1 is placed between the first I-shaped structure layer 2 and the second I-shaped structure layer 3；First work
It is wire casing structure among word structure sheaf 2, the second I-shaped structure layer 3, intermediate connecting portion is square patch capacitor 4, patch electricity
Hold 4 and connect conducting with metal part；The cross structure layer 1 is the positive cross structure of connection.Antenna based on Meta Materials technology
Cover is designed by special structure, so that antenna house possesses preferable wave transparent performance, and has relatively thin thickness, be greatly reduced
The weight of low-frequency range antenna house improves the competitiveness under related application environment.And frequency is also able to achieve by Meta Materials design
The function of rate selection, improves the Stealth Fighter of antenna house and antenna device system, in the fields such as aircraft naval vessel significant effect.
In the present embodiment, the first substrate in the metamaterial sheet can be divided into multiple metamaterial units, wherein often
The man-made microstructure is placed in one metamaterial unit.
In the present embodiment, metal micro structure is clipped among two layers of media substrate, and media substrate is epoxy resin base plate, more
Layer structure can preferably protect micro-structure, avoid it from corroding under extraneous mal-condition, it is ensured that the dielectric properties of antenna house.
In the present embodiment, the media substrate is epoxy resin base plate, relative dielectric constant 3.2, magnetic conductivity 1.0
Loss angle tangent is 0.008.
In the present embodiment, the metal micro structure is the copper sheet with a thickness of 0.018mm.
In certain embodiments of the present invention, 4 side length of square patch capacitor is 0.35mm.
In the present embodiment, metal micro structure length and width are 6mm, in the first I-shaped structure layer 2, the second I-shaped structure layer 3
Between wire casing gap be 0.35mm, the cross line width of cross structure layer 1 is 2mm.Single-layer medium base material thickness is 1.5mm, single layer
Metal micro structure is with a thickness of 0.018mm, and metal micro structure is clipped among two layers of media substrate and two surfaces, overall thickness 1.5*
2+0.018*3=3.036mm.
In Fig. 7, from the above simulation curve and statistical data figure, it is apparent that be added metamaterial microstructure after,
A frequency, which is formd, in low-frequency range selects bandpass region, in frequency range, the electromagnetic wave of aerial radiation good can penetrate antenna house,
It works normally, outside frequency band, antenna house shows the function of inhibiting, and the configuration design of no-float can achieve preferable hidden
Body effect.
And due to using multi-layer Matched structure, match air more preferably with intelligent metamaterial antenna cover, Neng Gou
2.4GHz wave band has good wave transmission rate.
This patent is changed by designing different metamaterial microstructures by the electromagnetic response feature of related metal wire coating
The dielectric constant for becoming each spatial point keeps the electromagnetic response feature at Meta Materials media filler close with air.So we
This Meta Materials are also referred to as " solid air ".The introducing of Meta Materials reduces microwave system due to characteristic after introducing traditional sucrose
Decaying caused by impedance mismatch, to reduce reflection, improve efficiency of transmission.The interference of higher mode is effectively contained, has simplified
The calculation amount of field analysis is carried out to it, so as to people more successfully, field distribution is precisely calculated and is smoothly used.
In some applications, the minimum dielectric material of lossy microwave usually may require that.Such as radome, antenna house；Benefit
Separate the vacuum system of atmosphere and microwave tube with dielectric disk in window；Separate atmosphere and fills the inflation system of plasma microwave pipe
System；Separate atmosphere and high-pressure aerated Wave guide system；Separate atmosphere and water etc. using sealing medium piece in some water loads.It adopts
It can satisfy the demand under above-mentioned occasion with technical solution of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (8)
1. a kind of ultra-thin low pass frequency selects Meta Materials wave transparent antenna house, including at least one metamaterial sheet, each metamaterial sheet
Multiple man-made microstructures including first substrate and array arrangement on the first substrate；It is characterized by: described artificial micro-
Structure includes the first I-shaped structure layer, the second I-shaped structure layer and cross structure layer, the first I-shaped structure layer and the second I-shaped knot
Structure layer structure is identical, and cross structure is placed between the first I-shaped structure layer and the second I-shaped structure layer；First I-shaped structure layer,
The centre of second I-shaped structure layer is wire casing structure, and intermediate connecting portion is square patch capacitor, patch capacitor and metal
Part connection conducting；The cross structure layer is the positive cross structure of connection.
2. a kind of ultra-thin low pass frequency according to claim 1 selects Meta Materials wave transparent antenna house, it is characterised in that: Meta Materials piece
Layer in first substrate can be divided into multiple metamaterial units, wherein be placed in each metamaterial unit one it is described artificial micro-
Structure.
3. a kind of ultra-thin low pass frequency according to claim 1 selects Meta Materials wave transparent antenna house, it is characterised in that: described artificial
Micro-structure is clipped among two layers of media substrate, and multilayered structure can preferably protect micro-structure, avoids it under extraneous mal-condition
Corrosion, it is ensured that the dielectric properties of antenna house.
4. a kind of ultra-thin low pass frequency according to claim 3 select Meta Materials wave transparent antenna house and, it is characterised in that: medium base
Material is epoxy resin base plate, and relative dielectric constant 3.2, magnetic conductivity is that 1.0 loss angle tangents are 0.008.
5. a kind of ultra-thin low pass frequency according to claim 1 selects Meta Materials wave transparent antenna house, it is characterised in that: artificial micro- knot
Structure is the copper sheet with a thickness of 0.018mm.
6. a kind of ultra-thin low pass frequency according to claim 1 selects Meta Materials wave transparent antenna house, it is characterised in that: square patch
Capacitor side length is 0.35mm.
7. a kind of ultra-thin low pass frequency according to claim 1 selects Meta Materials wave transparent antenna house, it is characterised in that: artificial micro- knot
Structure length and width are 6mm, and the wire casing gap among the first I-shaped structure layer, the second I-shaped structure layer is 0.35mm, cross structure layer
Cross line width be 2mm.
8. according to claim 1, a kind of ultra-thin low pass frequency described in 3 or 5 selects Meta Materials wave transparent antenna house, it is characterised in that: single
Layer media substrate is with a thickness of 1.5mm, and for single layer man-made microstructure with a thickness of 0.018mm, man-made microstructure is clipped in two layers of media substrate
Intermediate and two surfaces, overall thickness 1.5*2+0.018*3=3.036mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610316310.3A CN106058457B (en) | 2016-05-13 | 2016-05-13 | A kind of ultra-thin low pass frequency selects Meta Materials wave transparent antenna house |
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| CN201610316310.3A CN106058457B (en) | 2016-05-13 | 2016-05-13 | A kind of ultra-thin low pass frequency selects Meta Materials wave transparent antenna house |
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| CN106058457A CN106058457A (en) | 2016-10-26 |
| CN106058457B true CN106058457B (en) | 2019-03-15 |
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| CN108183327B (en) * | 2018-03-02 | 2021-11-19 | 常熟市浙大紫金光电技术研究中心 | Antenna housing for expanding deflection angle of phase array antenna |
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| EP1826870A1 (en) * | 2006-02-28 | 2007-08-29 | Mitsumi Electric Co., Ltd. | Antenna using an electromagnetic band gap reflector |
| CN102683884A (en) * | 2011-03-15 | 2012-09-19 | 深圳光启高等理工研究院 | Zoom lens made of super materials |
| CN102800991A (en) * | 2012-08-03 | 2012-11-28 | 深圳光启创新技术有限公司 | Wideband absorbing meta-material |
| CN204706646U (en) * | 2015-06-30 | 2015-10-14 | 深圳光启高等理工研究院 | Meta Materials filter structure and there is its metamaterial antenna cover and antenna system |
| CN204706637U (en) * | 2015-06-30 | 2015-10-14 | 深圳光启高等理工研究院 | Meta Materials filter structure and there is its metamaterial antenna cover and antenna system |
| CN204706647U (en) * | 2015-06-30 | 2015-10-14 | 深圳光启高等理工研究院 | Meta Materials filter structure and there is its metamaterial antenna cover and antenna system |
| CN104993249A (en) * | 2015-07-23 | 2015-10-21 | 中国人民解放军国防科学技术大学 | Single-passband bilateral wave-absorbing composite metamaterial and radome and antenna system including same |
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2016
- 2016-05-13 CN CN201610316310.3A patent/CN106058457B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1826870A1 (en) * | 2006-02-28 | 2007-08-29 | Mitsumi Electric Co., Ltd. | Antenna using an electromagnetic band gap reflector |
| CN102683884A (en) * | 2011-03-15 | 2012-09-19 | 深圳光启高等理工研究院 | Zoom lens made of super materials |
| CN102800991A (en) * | 2012-08-03 | 2012-11-28 | 深圳光启创新技术有限公司 | Wideband absorbing meta-material |
| CN204706646U (en) * | 2015-06-30 | 2015-10-14 | 深圳光启高等理工研究院 | Meta Materials filter structure and there is its metamaterial antenna cover and antenna system |
| CN204706637U (en) * | 2015-06-30 | 2015-10-14 | 深圳光启高等理工研究院 | Meta Materials filter structure and there is its metamaterial antenna cover and antenna system |
| CN204706647U (en) * | 2015-06-30 | 2015-10-14 | 深圳光启高等理工研究院 | Meta Materials filter structure and there is its metamaterial antenna cover and antenna system |
| CN104993249A (en) * | 2015-07-23 | 2015-10-21 | 中国人民解放军国防科学技术大学 | Single-passband bilateral wave-absorbing composite metamaterial and radome and antenna system including same |
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