CN103296471B - A kind of satellite tv antenna and its metamaterial panel - Google Patents
A kind of satellite tv antenna and its metamaterial panel Download PDFInfo
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- CN103296471B CN103296471B CN201210183166.2A CN201210183166A CN103296471B CN 103296471 B CN103296471 B CN 103296471B CN 201210183166 A CN201210183166 A CN 201210183166A CN 103296471 B CN103296471 B CN 103296471B
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Abstract
The invention discloses a kind of metamaterial panel to include first medium substrate, second medium substrate and the 3rd medium substrate.The material for preparing of the second medium substrate includes polystyrene, the polystyrene for preparing material and including adding poly- butyl rubber particle of the first medium substrate and the 3rd medium substrate.3rd side of the medium substrate away from second medium substrate is provided with reflecting layer, and second medium substrate includes core layer, and the core layer includes at least two core layers, and the core lamella includes the first base material and the multiple man-made microstructures being arranged in the first base material.The invention also discloses a kind of satellite tv antenna.By the above-mentioned means, the present invention can strengthen the shock proof performance of metamaterial panel of satellite tv antenna.
Description
Technical field
The present invention relates to the communications field, more specifically to a kind of satellite tv antenna and its metamaterial panel.
Background technology
The satellite that traditional satellite television receiving system is made up of parabola antenna, feed, tuner, DVB
Grounded receiving station.Parabola antenna is responsible for reflexing to satellite-signal in the feed and tuner of focal point.Feed be
The loudspeaker for being used to collect satellite-signal that the focal point of parabola antenna is set, also known as corrugated horn.Its major function has
Two：First, the electromagnetic wave signal that antenna is received collects, signal voltage, supply high frequency head are transformed into.Second, to receiving
Electromagnetic wave carry out polarization conversion.Tuner LNB（Also known as frequency demultiplier）It is that the satellite-signal for sending feed carries out frequency reducing and letter
Number amplification then passes to DVB.It generally can be divided into C-band frequency LNB (3.7GHz-4.2GHz, 18-21V) and Ku ripples
Band frequency LNB (10.7GHz-12.75GHz, 12-14V).LNB workflow is exactly that satellite high-frequency signals first are amplified into number
Local oscillation circuit is recycled to change high-frequency signals to intermediate frequency 950MHz-2050MHz, in favor of coaxial cable after 100000 times
Transmission and the demodulation of DVB work.DVB is to be demodulated the satellite-signal that tuner conveying comes, and is solved
Recall satellite television image or data signal and audio signal.
When receiving satellite-signal, parallel electromagnetic wave（Plane wave）After being reflected by parabola antenna, converge on feed.
Generally, feed corresponding to parabola antenna is an electromagnetic horn.
But because the Machining of Curved Surface difficulty of the reflecting surface of parabola antenna is big, required precision is also high, therefore, manufacture fiber crops
It is tired, cost is higher, and the uniformity of product is poor.
Thus, the product using metamaterial panel as satellite tv antenna is generated, herein, Meta Materials refer to
Artificial composite structure or composite with the extraordinary physical property not available for natural material.Pass through the crucial thing in material
The structurally ordered design on yardstick is managed, the limitation of some apparent natural laws can be broken through, it is intrinsic beyond nature so as to obtain
Common property meta-materials function.The realization of metamaterial structure at present is main or complete to make metal wire on pcb board
Into.
The content of the invention
The present invention solves the technical problem of provide a kind of metamaterial panel with high impact-resistance.
The technical problem of another solution of the present invention is to provide a kind of satellite tv antenna with high impact-resistance.
The present invention solves the technical scheme that technical problem uses：A kind of metamaterial panel, metamaterial panel are provided
Including first medium substrate, second medium substrate and the 3rd medium substrate, the material for preparing of second medium substrate includes polyphenyl
The polystyrene for preparing material and including adding poly- butyl rubber particle of ethene, first medium substrate and the 3rd medium substrate,
3rd medium substrate includes a reflecting layer and is arranged at its side away from second medium substrate, and second medium substrate includes core
Layer, core layer include at least two core layers, and core lamella includes the first base material and is arranged on more in the first base material
Individual first man-made microstructure.
Wherein, the quality of the butyl rubber particle in first and third medium substrate accounts for the 5-15% of substrate total quality.
Wherein, the butyl rubber particulate component in first and third medium substrate and polystyrene content ratio meet first and third
The impact strength of medium substrate is 5-10 times of second medium substrate.
Wherein, the butyl rubber particle in first and third medium substrate is coloured particle so that first and third medium substrate can
Different solid colors is shown as needed.
Wherein, the first base material includes the first prebasal plate and the first metacoxal plate, and multiple second man-made microstructures are folded in first
Between prebasal plate and the first metacoxal plate.
Wherein, second medium substrate also includes the impedance matching layer for being arranged on another side surface of core layer, impedance matching layer
Including at least one impedance matching layer lamella, impedance matching layer lamella includes the second base material and is arranged on more on the second base material
Individual man-made microstructure.
Wherein, the second base material includes the second prebasal plate and the second metacoxal plate, and multiple second man-made microstructures are folded in second
Between prebasal plate and the second metacoxal plate.
Wherein, metal micro structure is in plane flakes, metal micro structure have the first metal wire for being mutually perpendicular to divide equally and
Second metal wire, the first metal wire is identical with the length of the second metal wire, and the first metal wire both ends are connected with the two of equal length
Individual first metal branch, the first metal wire both ends are connected on the midpoint of two the first metal branch, and the second metal wire both ends connect
Two the second metal branch of equal length are connected to, the second metal wire both ends are connected on the midpoint of two the second metal branch,
The equal length of first metal branch and the second metal branch.
Wherein, the both ends of each first metal branch of the metal micro structure of plane flakes and each second metal branch
Be also associated with identical 3rd metal branch, the midpoint of corresponding 3rd metal branch respectively with the first metal branch and
The end points of two metal branch is connected.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of satellite tv antenna, satellite
Television antenna includes above-mentioned any one metamaterial panel and feed relative engagement is set.
The beneficial effects of the invention are as follows：Metamaterial panel outer media substrate of the present invention is using the poly- butyl rubber particle of addition
Polystyrene be made so that for metamaterial panel when being impacted, the point stresses of Crack Extension can be by the rubber of flexible relative
Glue particle discharges, and Crack Extension is hindered, so that the metamaterial panel has good impact resistance.
And satellite tv antenna of the present invention, using above-mentioned metamaterial panel and feed collocation work, not only processing is simple, system
Cause this low and homogeneity of product high and more durable.
Brief description of the drawings
Fig. 1 is the structural decomposition diagram of the metamaterial panel of one embodiment of the present invention；
Fig. 2 is the schematic diagram of the satellite tv antenna of one embodiment of the present invention；
Fig. 3 is the perspective diagram of the one of metamaterial unit of core layer of the present invention；
Fig. 4 is the structural representation of the core layer of the present invention；
Fig. 5 is the structural representation of the impedance matching layer lamella of the present invention；
Fig. 6 is the schematic diagram of the metal micro structure of the plane flakes of the present invention；
Fig. 7 is a kind of derived structure of the metal micro structure of the plane flakes shown in Fig. 6.
Embodiment
A kind of referring to Fig. 1, structural decomposition diagram of metamaterial panel of the preferred embodiment of the present invention.Metamaterial panel
100 include first medium substrate 101, the medium substrate 103 of second medium substrate 102 and the 3rd.First medium substrate 101 and
3rd medium substrate 103 is close to positioned at the both sides of second medium substrate 102 and with the second medium substrate 102 respectively.The
Second medium substrate 102 includes core layer 10 and impedance matching layer 20.3rd medium substrate 103 is away from second medium substrate 102
Side be provided with reflecting layer 200.In the present invention, reflecting layer is 200 metallic reflection plates with smooth surface, such as can be
Copper coin, aluminium sheet or iron plate of polishing etc. or PEC（Perfect electric conductor）Reflecting surface, naturally it is also possible to be metal coating.
The material for preparing of the medium substrate 103 of first medium substrate 101 and the 3rd includes adding poly- butyl rubber particle
Polystyrene, the material for preparing of second medium substrate 102 is only common polystyrene.Wherein, in first and third medium substrate
The quality of butyl rubber particle account for the 5-15% of substrate total quality.Firstth, the 3rd medium substrate is when being impacted, crackle
The point stresses of extension can be discharged by the rubber grain of flexible relative, and Crack Extension is hindered, so that they have
Good impact resistance.The Toughness Ratio second medium substrate 102 of first and third medium substrate is good a lot, their shock resistance energy
Power is 5 to 10 times of second medium substrate 102.Firstth, the butyl rubber particle in the 3rd medium substrate can use coloured
Particle, so, the first, the 3rd medium substrate can show different solid colors as needed.
Refer to Fig. 3-4, in the present embodiment, the core layer 10 includes at least two core layers 11, the core
Synusia layer 11 includes the first base material 13 and multiple first man-made microstructures 12 being arranged in the first base material 13.The present embodiment
In, it is preferable that as shown in figure 3, the first base material 13 includes the first prebasal plate 131 and the first metacoxal plate 132, the multiple
One man-made microstructure 12 is folded between the first prebasal plate 131 and the first metacoxal plate 132.Preferably, the core layer 11
Thickness be 0.546mm, wherein, the thickness of the first prebasal plate 131 and the first metacoxal plate 132 is 0.254mm, multiple artificial micro-
The thickness of structure 12 is 0.038mm.
Referring to Fig. 5, in the present embodiment, the impedance matching layer 20 includes at least one impedance matching layer lamella 21, institute
Stating impedance matching layer lamella 21 includes the second base material 23 and multiple second man-made microstructures being arranged on the second base material 23（Figure
In do not indicate）, it is preferable that in the present embodiment, as shown in figure 4, after second base material 23 includes the second prebasal plate 231 and second
Substrate 232, the multiple second man-made microstructure are folded between the second prebasal plate 231 and the second metacoxal plate 232.Preferably,
The thickness of the impedance matching layer lamella 21 is 0.546mm, wherein, the thickness of the second prebasal plate 231 and the second metacoxal plate 232 is equal
For 0.254mm, the thickness of multiple man-made microstructures 12 is 0.038mm.
In the present embodiment, the gold of first man-made microstructure, the second man-made microstructure to be made up of copper cash or silver wire
Belong to micro-structural, the metal micro structure is by etching, electroplating, carve, photoetching, the method that electronics is carved or ion is carved are respectively attached to
The first base material, the second base material.Preferably, the man-made microstructure is that the metal micro structure of the plane flakes shown in Fig. 6 passes through
Topology develops the metal micro structure of obtained multiple different topologies.
In the present embodiment, core layer 11 can obtain by the following method, i.e., after the first prebasal plate 131 and first
The surface overlying copper of any one of substrate 132, then lead to overetched method and obtain multiple first metal micro structures（Multiple first
The shape of metal micro structure is obtained by Computer Simulation in advance with arrangement）, finally by the first prebasal plate 131 and the first metacoxal plate
132 press together respectively, that is, obtain the core layer 11 of the present invention, the method for pressing can be direct hot pressing, can also
It is to utilize to heat gemel connection, may also be the connection of other machinery formula, such as bolt connection certainly.
Similarly, impedance matching layer lamella 21 can also be obtained using identical method.Then respectively by multiple core synusia
The pressing one of layer 11, that is, form the core layer 10 of the present invention；Equally, multiple impedance matching layer lamellas 21 are pressed into one, i.e.,
Form the impedance matching layer 21 of the present invention；Core layer 10, impedance matching layer 21 are pressed into one and obtain super material of the invention
The second medium substrate 102 of charge level plate 100.
In the present embodiment, the first base material 13, the second base material 23 are by ceramic material, high polymer material, ferroelectric material, iron
Oxygen material or ferromagnetic material etc. are made.High polymer material is available F4B composites, FR-4 composites, PS（Polyphenyl second
Alkene）Deng.Preferably, in the present invention, the first prebasal plate 131 and the first metacoxal plate 132 of the first base material 13 use identical
PS；Equally, in the present invention, the second prebasal plate 231 of second base material 23 also uses identical PS with the second metacoxal plate 232.
Fig. 6 show the schematic diagram of the metal micro structure of plane flakes, and the metal micro structure of described flakes has
It is mutually perpendicular to the first metal wire J1 and the second the metal wire J2, the first metal wire J1 and the second metal wire J2 divided equally length
Identical, the first metal wire J1 both ends are connected with two first metal branch F1, the first metal wire J1 of equal length
Both ends are connected on two the first metal branch F1 midpoint, and the second metal wire J2 both ends are connected with two of equal length
Second metal branch F2, the second metal wire J2 both ends are connected on two the second metal branch F2 midpoint, and described first
Metal branch F1 and the second metal branch F2 equal length.
Fig. 7 is a kind of derived structure of the metal micro structure of the plane flakes shown in Fig. 6.It is in each first metal point
Branch F1 and each second metal branch F2 both ends are respectively connected with identical 3rd metal branch F3, and the corresponding 3rd
End points of the metal branch F3 midpoint respectively with the first metal branch F1 and the second metal branch F2 is connected.The rest may be inferred, this hair
The bright metal micro structure that can also derive other forms.
In the present embodiment, the core layer 11 can be divided into multiple Meta Materials as shown in Figure 3 of array arrangement
Cells D, each metamaterial unit D include prebasal plate unit U, metacoxal plate unit V and are arranged on base board unit U, metacoxal plate unit V
Between man-made microstructure 12, usual metamaterial unit D length, width and height are no more than 1/5th wavelength, preferably 1/10th
Wavelength, therefore, metamaterial unit D size can be determined according to the working frequency of antenna.Fig. 3 is the technique of painting of perspective, to represent
Position in the metamaterial unit D of man-made microstructure 12, as shown in figure 3, the man-made microstructure 12 be sandwiched in base board unit U, after
Between base board unit V, surface where it is represented with SR.
In addition, the present invention also has second of embodiment, the place different from first embodiment is, metamaterial panel
100 only include core layer and reflecting layer, without impedance matching layer.
Referring to Fig. 2, the preferred offset-feed type satellite tv antenna of satellite tv antenna of the present invention.The satellite tv antenna
Including the fixed metamaterial panel 100 and feed 1 being attached on the wall NQ of house the south.It is shown in dotted line, the Meta Materials
The lower edge of panel 100 is in same level with the upper end of feed 1.Feed is traditional corrugated horn, and this is according to satellite
The polarization mode difference of TV signal has different selections, such as culminant star 9, and the existing left-hand circular polarization of its TV signal has the right side again
Hand circular polarization, therefore feed should use the corrugated horn of double-circle polarization.
Therefore, by disclosure above, metamaterial panel outer media substrate of the present invention is using the poly- butyl rubber of addition
The polystyrene of particle is made so that for Meta Materials when being impacted, the point stresses of Crack Extension can be by the rubber of flexible relative
Glue particle discharges, and Crack Extension is hindered, so that the metamaterial panel has good impact resistance.
And satellite tv antenna of the present invention, using above-mentioned metamaterial panel and feed collocation work, not only processing is simple, system
Cause this low and homogeneity of product high and more durable.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (10)
1. a kind of metamaterial panel, the metamaterial panel includes first medium substrate, second medium substrate and the 3rd medium
Substrate, it is characterised in that：The material for preparing of the second medium substrate includes polystyrene, the first medium substrate and institute
The polystyrene for preparing material and including adding poly- butyl rubber particle of the 3rd medium substrate is stated, the 3rd medium substrate includes
There is a reflecting layer to be arranged at its side away from the second medium substrate, the second medium substrate includes core layer, described
Core layer includes at least two core layers, and the core lamella includes the first base material and is arranged in the first base material
Multiple first man-made microstructures, the second medium substrate also includes being arranged on the impedance of another side surface of the core layer
With layer, the core layer, impedance matching layer pressing integrally obtain the second medium substrate,
The first medium substrate and the 3rd medium substrate respectively positioned at the both sides of the second medium substrate and with
The second medium substrate is close to, and the impedance matching layer is located at the core layer and the first medium substrate or the described 3rd
Between medium substrate.
2. metamaterial panel according to claim 1, it is characterised in that the butyl rubber in first and third medium substrate
The quality of glue particle accounts for the 5-15% of substrate total quality.
3. metamaterial panel according to claim 1, it is characterised in that the butyl rubber in first and third medium substrate
Glue particulate component and polystyrene content ratio meet that the impact strength of first and third medium substrate is the second medium
5-10 times of substrate.
4. metamaterial panel according to claim 1, it is characterised in that the butyl rubber in first and third medium substrate
Glue particle is coloured particle so that first and third medium substrate can show different solid colors as needed.
5. metamaterial panel according to claim 1, it is characterised in that the first base material includes the first prebasal plate and the
One metacoxal plate, the multiple first man-made microstructure are folded between first prebasal plate and first metacoxal plate.
6. metamaterial panel according to claim 5, it is characterised in that the impedance matching layer includes at least one impedance
Matching layer lamella, the impedance matching layer lamella include the second base material and multiple second people being arranged on second base material
Make micro-structural.
7. metamaterial panel according to claim 6, it is characterised in that second base material includes the second prebasal plate and the
Two metacoxal plates, the multiple second man-made microstructure are folded between second prebasal plate and second metacoxal plate.
8. metamaterial panel according to claim 7, it is characterised in that the multiple first man-made microstructure and described
Each in multiple second man-made microstructures is in plane flakes, the multiple first man-made microstructure and the multiple second
Each there is the first metal wire and the second metal wire for being mutually perpendicular to divide equally, first metal wire and institute in man-made microstructure
State that the length of the second metal wire is identical, the first metal wire both ends are connected with two the first metal branch of equal length, institute
State the first metal wire both ends to be connected on the midpoint of two first metal branch, the second metal wire both ends are connected with phase
With two the second metal branch of length, the second metal wire both ends are connected to the midpoint of two second metal branch
On, the equal length of first metal branch and the second metal branch.
9. metamaterial panel according to claim 8, it is characterised in that the multiple the first of plane flakes is artificial micro-
Each first metal branch and each second metal branch of structure and the multiple second man-made microstructure
Both ends are also associated with identical 3rd metal branch, and the midpoint of corresponding 3rd metal branch is respectively with described first
The end points of metal branch and second metal branch is connected.
10. a kind of satellite tv antenna, it is characterised in that the satellite tv antenna includes claim 1 to 9 any one institute
The metamaterial panel and feed relative engagement stated are set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210183166.2A CN103296471B (en) | 2012-03-02 | 2012-06-05 | A kind of satellite tv antenna and its metamaterial panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210053670 | 2012-03-02 | ||
| CN2012100536700 | 2012-03-02 | ||
| CN201210053670.0 | 2012-03-02 | ||
| CN201210183166.2A CN103296471B (en) | 2012-03-02 | 2012-06-05 | A kind of satellite tv antenna and its metamaterial panel |
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| CN103296471A CN103296471A (en) | 2013-09-11 |
| CN103296471B true CN103296471B (en) | 2018-03-02 |
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| CN110829037B (en) * | 2019-11-25 | 2021-03-12 | 惠州市中为柔性光电子智能制造研究院有限公司 | Metamaterial microwave antenna with ellipsoid-like metamaterial as subreflector |
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| CN101699659A (en) * | 2009-11-04 | 2010-04-28 | 东南大学 | Lens antenna |
| CN102291970A (en) * | 2011-05-06 | 2011-12-21 | 东南大学 | Single frequency band microwave absorber and multiple frequency band microwave absorber |
| CN202150533U (en) * | 2011-07-29 | 2012-02-22 | 深圳光启高等理工研究院 | Resonant cavity |
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2012
- 2012-06-05 CN CN201210183166.2A patent/CN103296471B/en active Active
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| CN101699659A (en) * | 2009-11-04 | 2010-04-28 | 东南大学 | Lens antenna |
| CN102291970A (en) * | 2011-05-06 | 2011-12-21 | 东南大学 | Single frequency band microwave absorber and multiple frequency band microwave absorber |
| CN202150533U (en) * | 2011-07-29 | 2012-02-22 | 深圳光启高等理工研究院 | Resonant cavity |
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Effective date of registration: 20210806 Address after: 2 / F, software building, No.9, Gaoxin Zhongyi Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 18B, building a, CIC international business center, 1061 Xiangmei Road, Futian District, Shenzhen, Guangdong 518034 Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |