CN207883903U - A kind of primary lens of super-wide band high-gain Meta Materials dragon - Google Patents
A kind of primary lens of super-wide band high-gain Meta Materials dragon Download PDFInfo
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- CN207883903U CN207883903U CN201820241853.8U CN201820241853U CN207883903U CN 207883903 U CN207883903 U CN 207883903U CN 201820241853 U CN201820241853 U CN 201820241853U CN 207883903 U CN207883903 U CN 207883903U
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Abstract
The utility model is related to Antenna Design fields, are especially applied to a kind of primary lens of super-wide band high-gain Meta Materials dragon of antenna.The utility model includes the cylinder layered structure formed based on Meta Materials；The cylinder layered structure is mirror image along x-axis, y-axis and z-axis centered on coordinate origin；The cylinder layered structure is since coordinate origin, it is become larger along x-axis or y-axis direction radius r, the corresponding gradually smaller n-layer outer ring cylinders of height h along the z-axis direction, the central cylinder central point of the outer ring cylinder layered structure is coordinate origin, central cylinder is solid first layer outer ring cylinder, second layer outer ring cylinder is the cylinder ... ... removed after the cylinder of first layer outer ring, and n-th layer outer ring cylinder is the cylinder of the n-th 1 layers of outer ring cylinder of removal.
Description
Technical field
The utility model is related to Antenna Design fields, are especially applied to a kind of super-wide band high-gain Meta Materials dragon of antenna
Primary lens.
Background technology
With the development of wireless network, antenna requirement ultra wide band, high-gain, lobin, can be conformal etc..
Manual electromagnetic structure material be based on artificial micro-structure, dielectric constant and magnetic conductivity can separately design it is artificial
Electromagnetic functional material.Its appearance breaches limitation of the traditional material to nature material property to electromagnetic property, gives material knot
Designing and preparing for structure provides a new degree of freedom.Since electromagnetism Meta Materials are a kind of artificial cycle structures, at present also not
High-gain can be realized on ultra-wideband frequency band.
Luneberg lens antenna includes feed and Long Bai lens, is a kind of electromagnetic wave is polymerize or divided using optical principle
Scattered device has the innate advantages such as broadband, high-gain.So far, the research of Luneberg lens antenna has been achieved for very much
Interim achievement, but there is also many deficiencies for existing Luneberg lens antenna.
First, conventional method mostly uses the primary lens of the methods of multilayer natural material or foaming technique construction dragon, but exists
The shortcomings of dielectric constant is difficult to control, uniformity is not easy to realize, has seriously affected the radiance of Luneberg lens antenna；Secondly,
Existing Luneberg lens antenna still can not achieve the high-gain on ultrabroad band；Third, traditional primary lens of dragon be mainly it is spherical or
The hemispherical multi-layer sphere of person, section size is bigger than normal to be unfavorable for later stage installation and debugging.
Utility model content
The goal of the invention of the utility model is：In view of the problems of the existing technology, a kind of super-wide band high-gain is provided
The primary lens of Meta Materials dragon, using broadband Vivaldi antennas as feed, electromagnetism Meta Materials make lens can overcome now this patent
There is the shortcomings that Luneberg lens antenna, realizes processing and manufacturing precision height, super-wide band high-gain, the primary lens of dragon easy to install.
The cylinder layered structure formed based on metamaterial unit.Lens are disposably printed as by 3D printing technique
Type, eventually by the performance of experimental verification antenna.Realize ultra wide band (referring to working band range 10GHz-30GHz), Gao Zeng
Benefit (referring to that lens gain is more than 12dBi) and lenticular dielectric loss are less than 0.02.
The technical solution adopted in the utility model is such：
A kind of primary lens of super-wide band high-gain Meta Materials dragon are including the use of 3D printing technique, the cylinder formed based on Meta Materials
Body layered structure；Cylinder layered structure is mirror image along x-axis, y-axis and z-axis；The cylinder layered structure be from
Coordinate origin starts, and centered on coordinate origin, is become larger along x-axis or y-axis direction radius r, accordingly along the z-axis direction highly
The central cylinder central point of the gradually smaller n-layer outer ring cylinders of h, the outer ring cylinder layered structure is coordinate origin, in
Heart cylinder is solid first layer outer ring cylinder, and second layer outer ring cylinder is the circle removed after the cylinder of first layer outer ring
Cylinder ..., n-th layer outer ring cylinder is the cylinder for removing (n-1)th layer of outer ring cylinder.
In centered cylinder body centered on coordinate origin, setting becomes larger along x-axis or y-axis radius p, while along z-axis
The k layer inner ring cylinders that height H becomes larger；First layer inner ring center point is overlapped with central cylinder central point；The
One layer of inner ring cylinder is solid cylinder；Second layer inner ring cylinder is the cylinder removed after the first inner ring cylinder
Body ... ..., kth layer inner ring cylinder are the cylinders removed after -1 layer of inner ring cylinder of kth.
Further, the maximum value of the inner ring cylinder radius p is the minimum value of outer ring cylinder radius r；Inner ring is justified
The maximum value of height of column H is the maximum value of outer ring cylinder height h, and inner ring cylinder height H minimum values are x；Inner ring cylinder
The minimum value of body radius p is x；The h height minimas of n-th layer outer ring cylinder are x；X is the size dimension value of Meta Materials.
Further, the n is more than or equal to 2*R* center operating frequencies/light velocity；K is more than or equal to 2*R* central task frequencies
Rate/the light velocity；The wherein light velocity/center operating frequency=Meta Materials operation wavelength；N is equal or different to k.
Further, the maximum radius value of the r is R, and R is the primary lens radius of dragon；R least radius values are equal to R/n.
Further, the difference of adjacent layer cylinder radius value is s*x in cylinder layered structure in the axial direction；Institute
The square Meta Materials that Meta Materials are x*x*x are stated, x is any size that 3D printer can print, and x maximum values are equal to Meta Materials work
It is 1 to 20 to make wavelength/2, s range.
Further, cylinder layered structure ε between every layer of dielectric constant of the n-layer cylinder in x-axis or y-axis direction
(w)=2- (w/R)2, w represents r or p.
Further, the Luneberg lens antenna of the primary lens of dragon further includes：It uses broadband Vivaldi antennas for feed, is dividing
Layer cylinder layered structure maximum radius periphery installation, forms Luneberg lens antenna structure.
Further, all Meta Materials are connected using snap fit.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：
1, FDTD algorithms are based on, Luneberg lens antenna is constructed using air filling artificial electromagnetic cellular construction.Using cylinder
12 layers of structure lens, while successively being successively decreased finally in the vertical height of each layer medium of lens that realize the equivalent dielectric of each layer normal
Number alternation both horizontally and vertically all, by 3D printing technique by the disposable printing shaping of lens.Eventually by reality
Verify the performance of antenna.Realize working band range 10GHz-30GHz, lens gain is more than 12dBi and lenticular dielectric damages
Consumption is less than 0.02.
2, traditional primary lens of dragon are mainly spherical or hemispherical multi-layer sphere, and section size is bigger than normal to be unfavorable for the later stage
Installation and debugging.But if changing the present situation of the primary lens of dragon using simple cutting method, it will the serious performance for destroying antenna.
3, in order to realize design lens each gradual alternation of layer dielectric constant purpose, abandoned traditional expanded material,
Effective dielectric constant extraction based on manual electromagnetic structure unit is theoretical, using 3D printing technique, realizes to each layer dielectric constant
The precision controlling of uniformity.
Description of the drawings
Fig. 1 is overall structure figure.
Fig. 2 is the vertical view of Fig. 1 (along xy establishment of coordinate system).
Fig. 3 is the sectional view of Fig. 1 (along xz establishment of coordinate system).
Fig. 4 is overall structure diagram.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Structure of the invention introduction：
A kind of primary lens of super-wide band high-gain Meta Materials dragon include the cylinder layered structure formed based on Meta Materials；Cylinder
Body layered structure is mirror image along x-axis, y-axis or z-axis；The cylinder layered structure be since coordinate origin,
It centered on coordinate origin, is become larger along x-axis or y-axis direction radius r, accordingly gradually smaller n of height h along the z-axis direction
The central cylinder central point of layer outer ring cylinder, the outer ring cylinder layered structure is coordinate origin, and central cylinder is real
The first layer outer ring cylinder of the heart, second layer outer ring cylinder are the cylinders ... ... removed after the cylinder of first layer outer ring, the
N-layer outer ring cylinder is the cylinder for removing (n-1)th layer of outer ring cylinder；
In centered cylinder body centered on coordinate origin, setting becomes larger along x-axis or y-axis radius p, while along z-axis
The k layer inner ring cylinders that height H becomes larger；First layer inner ring center point is overlapped with central cylinder central point；The
One layer of inner ring cylinder is solid cylinder；Second layer inner ring cylinder is the cylinder removed after the first inner ring cylinder
Body ... ..., kth layer inner ring cylinder are the cylinders removed after -1 layer of inner ring cylinder of kth.
X-axis, y-axis are parallel to horizontal plane；Z-axis vertical and horizontal face；Coordinate refers to the coordinate of xyz coordinate systems.
Embodiment one：As shown in Figure 1, being formed in the three-dimensional planar of xyz coordinates gradual along x-axis or y-axis direction radius r
Become larger, accordingly the gradually smaller n-layers of height h (such as 6 layers in vertical view Fig. 2) outer ring cylinder is layered along the z-axis direction, this is outer
The central cylinder radius for enclosing cylinder is minimum；First layer outer ring cylinder (i.e. central cylinder) radius is 5mm, then a diameter of
10mm；On the basis of first layer inner ring cylinder, second layer outer ring cylinder radius is increasing 5mm, i.e. second layer outer ring is justified
Cylinder centered on origin, then its radius be 10mm, a diameter of 20mm ..., layer 6 outer ring cylinder centered on origin,
Then its radius 30mm, then the 6th layer of outer ring cylinder diameter is 60mm.
See that outer ring cylinder height is successively decreased from inside to outside successively from Fig. 1；First layer outer ring cylinder height is 80mm；The
Two layers of outer ring cylinder height are 60mm ... ..., and the 6th layer of outer ring cylinder height is 20mm.
K layers of inner ring cylinder are set in central cylinder, which is centered on coordinate origin, with x-axis
Or y-axis direction radius becomes larger, the inner ring cylinder that z-axis direction height becomes larger；Such as in Fig. 2, first layer inner ring circle
7 layers of inner ring cylinder are formed in cylinder (wherein the 7th layer of inner ring cylinder refers to the first outer ring cylinder).Each inner ring cylinder
Body radius, height are all primary to be increased.
Such as Fig. 1 left-hand component feeds：Using dielectric thickness 0.5mm, the Vivaldi antennas of dielectric constant 9.6 substitute routine
Electromagnetic horn ensure that uniform phase distribution on feed bore face, realize ultra wide band and multi-beam high gain characteristics.
Each layer effective dielectric constant obtains the structure lens three-dimensional knot by introducing metamaterial unit in conjunction with 3D printing technique
Structure.
Embodiment two：As shown in Figure 1, being formed in the three-dimensional planar of xyz coordinates gradual along x-axis or y-axis direction radius r
Become larger, accordingly the gradually smaller n-layers of height h (such as 6 layers in vertical view Fig. 2) outer ring cylinder is layered along the z-axis direction, this is outer
The central cylinder radius for enclosing cylinder is maximum；First layer outer ring cylinder (i.e. central cylinder) radius is 10mm, then diameter
For 20mm；On the basis of first layer inner ring cylinder, second layer outer ring cylinder radius is increasing 5mm, i.e. second layer outer ring
Cylinder is centered on origin, then its radius is 20mm, a diameter of 40mm ..., during layer 6 outer ring cylinder is with origin
The heart, then its radius 60mm, then the 6th layer of outer ring cylinder diameter is 120mm.
See that outer ring cylinder height is once successively decreased from inside to outside from Fig. 1；First layer outer ring cylinder height is 80mm；The
Two layers of outer ring cylinder height are 60mm ... ..., and the 6th layer of outer ring cylinder height is 20mm.
K layers of inner ring cylinder are set in central cylinder, which is centered on coordinate origin, with x-axis
Or y-axis direction radius becomes larger, the inner ring cylinder that z-axis direction height becomes larger；Such as in Fig. 2, first layer inner ring circle
7 layers of inner ring cylinder are formed in cylinder (wherein the 7th layer of inner ring cylinder refers to the first outer ring cylinder).Each inner ring cylinder
Body radius, height are all primary to be increased.
Embodiment three：As shown in Figure 1, being formed in the three-dimensional planar of xyz coordinates gradual along x-axis or y-axis direction radius r
Become larger, accordingly the gradually smaller n-layers of height h (such as 6 layers in vertical view Fig. 2) outer ring cylinder is layered along the z-axis direction, this is outer
The central cylinder radius for enclosing cylinder is minimum；First layer outer ring cylinder (i.e. central cylinder) radius is 10mm, then diameter
For 20mm；On the basis of first layer inner ring cylinder, second layer outer ring cylinder radius is increasing 5mm, i.e. second layer outer ring
Cylinder is centered on origin, then its radius is 20mm, a diameter of 40mm ..., during layer 6 outer ring cylinder is with origin
The heart, then its radius 60mm, then the 6th layer of outer ring cylinder diameter is 120mm.
See that outer ring cylinder height is successively decreased from inside to outside successively from Fig. 1；First layer outer ring cylinder height is 120mm；
Second layer outer ring cylinder height is 100mm ... ..., and the 6th layer of outer ring cylinder height is 40mm.
K layers of inner ring cylinder are set in central cylinder, which is centered on coordinate origin, with x-axis
Or y-axis direction radius becomes larger, the inner ring cylinder that z-axis direction height becomes larger；Such as in Fig. 2, first layer inner ring circle
7 layers of inner ring cylinder are formed in cylinder (wherein the 7th layer of inner ring cylinder refers to the first outer ring cylinder).Each inner ring cylinder
Body radius, height are all primary to be increased.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (8)
1. a kind of primary lens of super-wide band high-gain Meta Materials dragon, it is characterised in that including the use of 3D printing technique, be based on Meta Materials
The cylinder layered structure of formation；Cylinder layered structure is mirror image along x-axis, y-axis and z-axis；The cylinder point
Layer structure is centered on coordinate origin, to be become larger along x-axis or y-axis direction radius r, accordingly along z since coordinate origin
The gradually smaller n-layer outer ring cylinders of axis direction height h, the central cylinder central point of the outer ring cylinder layered structure are to sit
Origin is marked, central cylinder is solid first layer outer ring cylinder, and second layer outer ring cylinder is removal first layer outer ring circle
Cylinder after cylinder ..., n-th layer outer ring cylinder is the cylinder for removing (n-1)th layer of outer ring cylinder；
In centered cylinder body centered on coordinate origin, setting becomes larger along x-axis or y-axis radius p, while along the height H of z-axis
The k layer inner ring cylinders become larger；First layer inner ring center point is overlapped with central cylinder central point；In first layer
It is solid cylinder to enclose cylinder；Second layer inner ring cylinder is the cylinder ... ... removed after the first inner ring cylinder, kth
Layer inner ring cylinder is the cylinder removed after -1 layer of inner ring cylinder of kth.
2. a kind of primary lens of super-wide band high-gain Meta Materials dragon according to claim 1, it is characterised in that the inner ring circle
The maximum value of cylinder radius p is the minimum value of outer ring cylinder radius r；The maximum value of inner ring cylinder height H is outer ring cylinder
The maximum value of body height h, inner ring cylinder height H minimum values are x；The minimum value of inner ring cylinder radius p is x；N-th layer outer ring
The h height minimas of cylinder are x；X is the size dimension value of Meta Materials.
3. a kind of primary lens of super-wide band high-gain Meta Materials dragon according to claim 1, it is characterised in that the n more than etc.
In 2*R* center operating frequencies/light velocity；K is more than or equal to 2*R* center operating frequencies/light velocity；The wherein light velocity/center operating frequency
=Meta Materials operation wavelength；N is equal or different to k.
4. a kind of primary lens of super-wide band high-gain Meta Materials dragon according to claim 1 or 2, it is characterised in that the r's
Maximum radius value is R, and R is the primary lens radius of dragon；R least radius values are equal to R/n.
5. a kind of primary lens of super-wide band high-gain Meta Materials dragon according to claim 3, it is characterised in that in the axial direction
Cylinder layered structure in adjacent layer cylinder radius value difference be s*x；The Meta Materials are the super material of square of x*x*x
Material, x are any size that 3D printer can print, and it is 1 to 20 that x maximum values, which are equal to Meta Materials operation wavelength/2, s range,.
6. the primary lens of a kind of super-wide band high-gain Meta Materials dragon according to claim 1 or 5, feature is in the cylinder
Layered structure ε (w)=2- (w/R) between every layer of dielectric constant of the n-layer cylinder in x-axis or y-axis direction2, w represents r or p.
7. the Luneberg lens antenna of the primary lens of dragon according to claim 5, it is characterised in that further include：Using broadband
Vivaldi antennas are feed, in layering cylinder layered structure maximum radius periphery installation, form Luneberg lens antenna knot
Structure.
8. the Luneberg lens antenna of the primary lens of dragon according to claim 1,2,3 or 5, it is characterised in that the Meta Materials are adopted
It is connected with snap fit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820241853.8U CN207883903U (en) | 2018-02-11 | 2018-02-11 | A kind of primary lens of super-wide band high-gain Meta Materials dragon |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841956A (en) * | 2018-10-08 | 2019-06-04 | 合肥若森智能科技有限公司 | A kind of low section array antenna based on the primary lens array of dragon |
| CN109950700A (en) * | 2019-03-01 | 2019-06-28 | 浙江大学 | A kind of electric scanning lens antenna based on the conformal fresnel surface of multilayer |
| WO2021017263A1 (en) * | 2019-07-29 | 2021-02-04 | 佛山市粤海信通讯有限公司 | Method for producing luneburg lens |
-
2018
- 2018-02-11 CN CN201820241853.8U patent/CN207883903U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841956A (en) * | 2018-10-08 | 2019-06-04 | 合肥若森智能科技有限公司 | A kind of low section array antenna based on the primary lens array of dragon |
| CN109841956B (en) * | 2018-10-08 | 2021-02-09 | 合肥若森智能科技有限公司 | Low-profile array antenna based on luneberg lens array |
| CN109950700A (en) * | 2019-03-01 | 2019-06-28 | 浙江大学 | A kind of electric scanning lens antenna based on the conformal fresnel surface of multilayer |
| WO2021017263A1 (en) * | 2019-07-29 | 2021-02-04 | 佛山市粤海信通讯有限公司 | Method for producing luneburg lens |
| US11901626B2 (en) | 2019-07-29 | 2024-02-13 | Guangdong Fushun Tianji Communication Co., Ltd. | Production method for Luneburg lens |
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