CN208939148U - A kind of polarization converter making any direction polarization of ele deflection fixed angle - Google Patents
A kind of polarization converter making any direction polarization of ele deflection fixed angle Download PDFInfo
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- CN208939148U CN208939148U CN201822011829.8U CN201822011829U CN208939148U CN 208939148 U CN208939148 U CN 208939148U CN 201822011829 U CN201822011829 U CN 201822011829U CN 208939148 U CN208939148 U CN 208939148U
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Abstract
A kind of polarization converter making any direction polarization of ele deflection fixed angle, the polarization converter is using three-dimensional manual electromagnetic structure, for by any incident direction polarization of electromagnetic wave angular deflection fixed angle, including total resonance array, total resonance array multiplies 20 periodical resonant elements including 20, and each resonant element is regularly arranged along orthogonal direction；Each resonant element includes the first cylinder and the second cylinder, first cylinder includes leading portion, middle section and back segment, leading portion and the L-shaped arrangement in middle section, back segment connects perpendicular to leading portion with the plane where middle section and with the end in middle section, and the first cylinder and the second cylinder sizes are identical and be in symmetry direction arrangement；The insulator Teflon for further including metal grade slab and being filled in metal grade slab, the first cylinder and the second cylinder are distributed in the two sides of metal grade slab, and metal grade slab is run through in middle section；The utility model can be by any direction polarization of ele fixed deflection pi/2-2* φ angle, and structure is simple.
Description
Technical field
The utility model belongs to electromagnetic technology field, and in particular to one kind makes any direction polarization of ele deflect fixed angles
The polarization converter of degree.
Background technique
Manual electromagnetic structure is the artificial structure with special electromagnetic characteristic, is manually tied by the sub-wavelength of geometry in particular
Structure basic unit is aperiodic or periodic arrangement is constituted.At present about the physical characteristic research of manual electromagnetic structure, and its orienting
Radiate the application in the fields such as high performance antenna, electromagnetism stealth, space communication, Detection Techniques and novel terahertz wave band function element
Research starts to become the research hotspot of international physics and electromagnetism educational circles.
Polarization of ele is defined as the motion profile of electric field intensity end spaces, and the control to polarization of ele is electromagnetic wave
The important component of spatial research.Different polarization modes are applied to different occasions.Polarization of electromagnetic wave characteristic is in satellite
Communication, radar receives anti-interference, aerospace, military, fields and the side such as medical treatment and target acquisition, identification, coding, sampling
It is used widely in.
When linear polarised electromagnetic wave is propagated in free space, due to the complexity of space environment, can generate scattering, refraction and
The effects such as diffraction, to change polarization of electromagnetic wave direction.When the polarization direction of polarization of electromagnetic wave direction and receiving antenna not
When consistent, receiving efficiency can be reduced, and when the polarization direction of the two is orthogonal, antenna does not almost receive electromagnetic signal then.It will
Receive polarizations direction deflect into receiving polarization direction, can make antenna have optimum reception efficiency.Traditional polarization
Converter transfer efficiency is low, be only applicable in single electromagnetic wave incident direction, structure is complicated, thickness is thicker, is unable to satisfy present communication
The requirement of system low distortion, wide adaptability, low section reduces the validity and integrated level of communication system, therefore, designs suitable
For any electromagnetic energy incident direction, efficient polarization conversion device ever more important, the utility model utilizes a kind of solid
A kind of polarization converter has been made in manual electromagnetic structure, overcomes drawbacks described above well.
Utility model content
The purpose of this utility model is that being proposed a kind of by any direction electromagnetic wave pole using stereoscopic artificial electromagnetic structure
Change the polarization converter of fixed deflection pi/2-2* φ angle, compared with traditional polarization converter, structure is simple, and adaptation arbitrarily enters
Firing angle degree, loss can be ignored, high-efficient；A kind of polarization converter making any direction polarization of ele deflection fixed angle,
The polarization converter is using three-dimensional manual electromagnetic structure, for fixing any incident direction polarization of electromagnetic wave angular deflection
Angle, including total resonance array, total resonance array include 20 multiplying 20 periodical resonant elements, each resonant element along
Orthogonal direction is regularly arranged；Each resonant element include the first cylinder and the second cylinder, the first cylinder include leading portion, middle section and after
Metal grade slab is run through in section, leading portion and the L-shaped arrangement in middle section, middle section, and back segment is perpendicular to the plane where leading portion and middle section, back segment
End and middle section end connect, the first cylinder and the second cylinder sizes it is identical and in symmetry direction arrange, the second cylinder
Leading portion is parallel with the vertical edge of metal grade slab, and the back segment of the second cylinder is parallel with the horizontal edge of metal grade slab；It further include metal
Grade slab and the insulator Teflon being filled in metal grade slab, the first cylinder and the second cylinder are distributed in metal grade slab
Metal grade slab is run through in two sides, middle section.
Preferably, first cylinder and the second cylinder are copper material.
Preferably, the radius of the first cylinder and the second cylinder is 0.5mm, and total height is 9.28mm, leading portion and middle section
Size is identical, is 15.05mm.
Preferably, the metal grade slab is copper metal grade slab.
Preferably, the volume of the copper metal grade slab multiplies 23.1mm for 23.1mm and multiplies 2mm.
Preferably, the insulator Teflon relative dielectric constant is 2.1, outer radius 1mm, inside radius 0.5mm, height
Degree is 2mm.
Preferably, the volume of each resonant element multiplies 23.1mm for 23.1mm and multiplies 9.28mm.
Preferably, the Parameter adjustable of each resonant element, resonance frequency and working frequency points are adjustable.
The utility model has the beneficial effects that the utility model is compared with traditional polarization converter, using novel form
Manual electromagnetic structure can be realized the fixed angle polarization rotation to any direction linear polarised electromagnetic wave, and structure is simple and is easy to
Processing, by adjusting each parameter size of resonant element, it may be convenient to realize for resonance frequency, the adjusting of working frequency points；
Each resonant element in the utility model, which only takes up 23.1mm and multiplies 23.1mm, multiplies 9.28mm, volume very little is occupied, with modern nothing
The line communication of requirement compatible degree in to(for) device miniaturization is fine；At central task frequency point 5.8GHz, for the arbitrarily side of polarization
To linear polarised electromagnetic wave be able to achieve the polarization direction higher than 99% conversion, higher than traditional polarization converter, compensate for tradition
Polarization converter transfer efficiency is lower, disadvantage to each incident angle energy polarization conversion performance difference；The utility model uses
Conduction coupling is a kind of novel polarization conversion regime；Resonant element in the utility model is able to carry out cyclic extension, structure
Flexibly, it is easy to volume production, has a good application prospect.
Detailed description of the invention
Fig. 1 is the total resonance array structural schematic diagram of the utility model；
Fig. 2 is resonant element front schematic view under the utility model；
Fig. 3 is the utility model the first cylinder schematic diagram；
Fig. 4 is for polarization conversion mechanism description figure；
When Fig. 5 is to be in 0 degree, 30 degree, 60 degree and 90 degree of electromagnetic wave incident with X-axis, the return loss characteristic of array
S11；
When Fig. 6 is to be in 0 degree, 30 degree, 60 degree and 90 degree of electromagnetic wave incident with X-axis, the efficiency of array polarization conversion.
1, the first cylinder；2, the second cylinder；3, insulator Teflon；4, metal grade slab；A, resonant element.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model, which provides a kind of embodiment one kind as shown in figures 1 to 6, deflects any direction polarization of ele
The polarization converter of fixed angle, the polarization converter is using three-dimensional manual electromagnetic structure, for any incident direction is electric
The polarisation angles of magnetic wave deflect fixed angle, including total resonance array, and total resonance array includes that 20 to multiply 20 periodicity humorous
Shake unit A, and each resonant element A is regularly arranged along orthogonal direction, and the volume of each resonant element A is that 23.1mm multiplies 23.1mm
Multiply 9.28mm, the Parameter adjustable of each resonant element A, resonance frequency and working frequency points are adjustable；Each resonant element A includes
The first cylinder 1 and the second cylinder 2, described the first cylinder 1 and the second cylinder 2 are copper material, the first cylinder 1 include leading portion,
Metal grade slab 4 is run through in middle section and back segment, leading portion and the L-shaped arrangement in middle section, middle section, and back segment is perpendicular to where leading portion and middle section
Plane, the end of back segment and the end in middle section connect, and the first cylinder 1 and the second cylinder 2 size is identical and arranges in symmetry direction,
The leading portion of second cylinder 2 is parallel with the vertical edge of metal grade slab 4, and the back segment of the second cylinder 2 and the horizontal edge of metal grade slab 4 are flat
Row, the radius of the first cylinder 1 and the second cylinder 2 is 0.5mm, and total height is 9.28mm, and leading portion is identical with middle section size,
For 15.05mm；The insulator Teflon 3 for further including metal grade slab 4 and being filled in metal grade slab 4, the first cylinder 1 and
Two cylinders 2 are distributed in the two sides of metal grade slab 4, and metal grade slab 4 is run through in middle section, and two copper posts can generate high-intensitive surface electricity
Stream, special arranged evenly because of copper post direction, the flow direction of surface current will overleaf change, this make electromagnetic energy from
During structure front is transmitted to the back side, polarization direction completes the angular deflection of pi/2-φ；Metal grade slab 4 is preferably copper
Metal grade slab, the volume of copper metal grade slab multiply 23.1mm for 23.1mm and multiply 2mm, and the insulator Teflon 3 is opposite to be situated between
Electric constant is 2.1, outer radius 1mm, inside radius 0.5mm, is highly 2mm.
Polarization conversion mechanism are as follows: at central task frequency point 5.8GHz, when the linear polarization energy-incident of arbitrary polarisation direction
When to structure front, resonance is generated, high-intensitive surface current is generated in the L-type copper post on structure two sides, and because of the spy in copper post direction
Different arranged evenly, the flow direction of surface current will overleaf change, this makes electromagnetic energy be transmitted to back from structure front
During face, polarization direction completes the angular deflection of pi/2-2* φ.
The polarization conversion mechanism of the utility model is now described in detail by taking Fig. 4 as an example, Fig. 4 designates each under spherical coordinate system
The direction of reference axis；E indicates the incident electromagnetic wave of 5.8GHz, and it is in any included angle with X-axis, array is humorous at this time that direction, which is-Z axis,
It shakes, high-intensitive surface current is generated in L-type structure；Ex indicates that wave along the component of X-axis, completes pole by the structure 1 in Fig. 2
Change direction conversion, the component Ex ' after conversion is indicated；Ey indicates that wave along the component of Y-axis, completes pole by the structure 2 in Fig. 2
Change direction conversion, the component Ey ' after conversion is indicated；By Ex ' and Ey ' synthesis, after wave completion polarization direction conversion can be obtained
Direction E ' can clearly have found E and E by Fig. 4 ' it is in pi/2-2* φ angle, electromagnetic wave realizes the polarization of the fixed angle
Deflection.
It is made that in fig. 5 and fig. and any incident direction electromagnetic wave conversion performance is verified, as shown in the figure, each
Under a direction, the return loss S11 of array is identical as transfer efficiency.This demonstrate that the electromagnetic wave incident of any angle is to array
When, polarization direction can deflect pi/2-2* φ, and efficiency is more than 99%.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of polarization converter for making any direction polarization of ele deflection fixed angle, it is characterised in that: polarization conversion
Device is used for using three-dimensional manual electromagnetic structure by any incident direction polarization of electromagnetic wave angular deflection fixed angle, including
Total resonance array, total resonance array multiply 20 periodical resonant elements (A) including 20, and each resonant element (A) is along just
Hand over direction regularly arranged；Each resonant element (A) includes the first cylinder (1) and the second cylinder (2), before the first cylinder (1) includes
Metal grade slab (4) are run through in section, middle section and back segment, leading portion and the L-shaped arrangement in middle section, middle section, and back segment is perpendicular to leading portion and middle section
The plane at place, the end of back segment and the end in middle section connect, and the first cylinder (1) is identical with the second cylinder (2) size and is in pair
Claim direction arrangement, the leading portion of the second cylinder (2) is parallel with the vertical edge of metal grade slab (4), the back segment and gold of the second cylinder (2)
The horizontal edge of possession substrate (4) is parallel；It further include metal grade slab (4) and the insulator iron fluorine being filled in metal grade slab (4)
Imperial (3), the first cylinder (1) and the second cylinder (2) are distributed in the two sides of metal grade slab (4), and metal grade slab is run through in middle section
(4).
2. the polarization converter according to claim 1 for making any direction polarization of ele deflection fixed angle, feature
Be: first cylinder (1) and the second cylinder (2) are copper material.
3. the polarization converter according to claim 2 for making any direction polarization of ele deflection fixed angle, feature
Be: the radius of the first cylinder (1) and the second cylinder (2) is 0.5mm, and total height is 9.28mm, leading portion and middle section size
It is identical, it is 15.05mm.
4. the polarization converter according to claim 3 for making any direction polarization of ele deflection fixed angle, feature
Be: the metal grade slab (4) is copper metal grade slab.
5. the polarization converter according to claim 4 for making any direction polarization of ele deflection fixed angle, feature
Be: the volume of the copper metal grade slab multiplies 23.1mm for 23.1mm and multiplies 2mm.
6. the polarization converter according to claim 5 for making any direction polarization of ele deflection fixed angle, feature
Be: insulator Teflon (3) relative dielectric constant is 2.1, and outer radius 1mm, inside radius 0.5mm are highly
2mm。
7. the polarization converter according to claim 6 for making any direction polarization of ele deflection fixed angle, feature
Be: the volume of each resonant element (A) multiplies 23.1mm for 23.1mm and multiplies 9.28mm.
8. the polarization converter according to claim 7 for making any direction polarization of ele deflection fixed angle, feature
Be: the Parameter adjustable of each resonant element (A), resonance frequency and working frequency points are adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822011829.8U CN208939148U (en) | 2018-12-03 | 2018-12-03 | A kind of polarization converter making any direction polarization of ele deflection fixed angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822011829.8U CN208939148U (en) | 2018-12-03 | 2018-12-03 | A kind of polarization converter making any direction polarization of ele deflection fixed angle |
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| Publication Number | Publication Date |
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| CN208939148U true CN208939148U (en) | 2019-06-04 |
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| CN201822011829.8U Expired - Fee Related CN208939148U (en) | 2018-12-03 | 2018-12-03 | A kind of polarization converter making any direction polarization of ele deflection fixed angle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361069A (en) * | 2018-12-03 | 2019-02-19 | 南京信息工程大学 | A kind of polarization converter making any direction polarization of ele deflection fixed angle |
-
2018
- 2018-12-03 CN CN201822011829.8U patent/CN208939148U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361069A (en) * | 2018-12-03 | 2019-02-19 | 南京信息工程大学 | A kind of polarization converter making any direction polarization of ele deflection fixed angle |
| CN109361069B (en) * | 2018-12-03 | 2023-12-01 | 南京信息工程大学 | Polarization converter for deflecting electromagnetic wave polarization in any direction by fixed angle |
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| CP02 | Change in the address of a patent holder |
Address after: 210044 No. 69 Olympic Street, Jianye District, Nanjing City, Jiangsu Province Patentee after: Nanjing University of Information Science and Technology Address before: 211500 Yuting Square, 59 Wangqiao Road, Liuhe District, Nanjing City, Jiangsu Province Patentee before: Nanjing University of Information Science and Technology |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20211203 |