CN109586028A - A kind of dual polarization open boundary antenna - Google Patents
A kind of dual polarization open boundary antenna Download PDFInfo
- Publication number
- CN109586028A CN109586028A CN201811442467.6A CN201811442467A CN109586028A CN 109586028 A CN109586028 A CN 109586028A CN 201811442467 A CN201811442467 A CN 201811442467A CN 109586028 A CN109586028 A CN 109586028A
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- China
- Prior art keywords
- ridge
- dual polarization
- open boundary
- piece
- feed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
- H01Q19/17—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of dual polarization open boundary antenna, including short-circuit cover board, feed plug, radio frequency connector, ferrite wave-absorbing material and in two pairs of ridge pieces of cross-shaped distribution；The Antenna aperture that two pairs of ridge pieces surround gradually expands from bottom to up, and the small-bore place of the Antenna aperture is equipped with reflection cavity；The feed plug is equipped with two, wherein the two feed plugs extend through adjacent two panels ridge piece, and is inserted into the ridge piece of respective opposite direction respectively.The unique ridge slice mounting structure that the present invention uses, makes relative size precision between ridge piece be guaranteed, substantially reduces antenna adjustment difficulty, using unique feed structure for coaxially arriving Ridge Waveguide Transitions, effectively broadens bandwidth.
Description
Technical field
The present invention relates to a kind of dual polarization open boundary antennas, belong to antenna technical field.
Background technique
Dual polarization open boundary antenna applications are in target simulator array antenna, Variable Polarization Antenna, independent feed, wide bandwidth
Angle radiation and reception etc..Dual polarization open boundary antenna is in structure, using open architecture, have structure is simple, be easy to plus
The advantages that work, light weight；In electric property, compared with traditional dual polarized antenna, its two-port under the conditions of same bore
Polarization isolation index more preferably, and has extremely wide frequency bandwidth, has high-gain, directionality and good time domain specification, because
And become the ultra-wideband antenna with broad based growth prospect.
High performance dual polarized antenna peak low band only covers 0.4GHz both at home and abroad at present, there is frequency in electric property
With it is relatively narrow, under the conditions of same bore its disadvantage such as two-port polarization isolation index is bad, gain is low.
Summary of the invention
The purpose of the present invention is to provide a kind of dual polarization open boundary antennas, caused by the prior art above-mentioned to solve
One of multinomial defect or defect.
In order to achieve the above objectives, the present invention adopts the following technical solutions realization:
Hollow base and two pairs of ridge pieces including feed plug, both ends open, the Antenna aperture that two pairs of ridge pieces surround
It gradually expands from bottom to up；The hollow base is set to the small-bore place of Antenna aperture, with the short circuit being set to below hollow base
Cover board forms reflection cavity；In the bottom end insertion hollow base of two pairs of ridge pieces, and in the hollow base that is located above reflection cavity
Chamber forms ridge waveguide；
The feed plug is equipped with two, and the two feed plugs extend through two ridge pieces adjacent in ridge waveguide, and divide
It is not inserted into the ridge piece of respective opposite direction.
The ridge curve of the ridge piece include it is sequentially connected from bottom to up: straightway, exponential fade section, the first curved section and
Second curved section.
The ridge curvilinear equation of the exponential fade section are as follows: y=α eβL+ kL, in which: k, α, β are preset empirical, and L is
Ridge leaf length.
The ridged edge of the ridge piece is equipped with chamfering structure.
The reflection cavity is the up big and down small halfpace type gradual change chamber of bore.
Ferrite wave-absorbing material is filled in the reflection cavity.
The hollow base include around two pairs of ridge pieces setting frame jigsaw and be connected to short-circuit cover board and frame jigsaw it
Between connecting plate.
Corresponding with each ridge piece on the connecting plate to be equipped with diagonal brace, the diagonal brace is supported on short-circuit cover board.
It is connected between adjacent ridge piece by fastener.
For the two feed plugs not in same antenna mouth face, the axis spacing of two feed plugs is 5~7mm.
To sum up, a kind of dual polarization boundary antenna provided by the invention, is designed as ladder using unique feed structure, reflection cavity
Bench-type gradual change chamber has effectively widened bandwidth.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the open antenna in dual polarization boundary provided according to embodiments of the present invention；
Fig. 2 is the structural schematic diagram of the open antenna in another dual polarization boundary provided according to embodiments of the present invention；
Fig. 3 is that the one kind provided according to embodiments of the present invention coaxially arrives the feed structure sectional view of Ridge Waveguide Transitions；
Fig. 4 is that the another kind provided according to embodiments of the present invention coaxially arrives the feed structure sectional view of Ridge Waveguide Transitions；
Fig. 5 is each curved section schematic diagram of ridge piece provided according to embodiments of the present invention；
In figure: 1, the first diagonal brace；2, the second diagonal brace；3, third diagonal brace；4, the 4th diagonal brace；5, short-circuit cover board；6, it first penetrates
Frequency connector；7, the second radio frequency connector；8, the first feed plug；9, the second feed plug；10, the first ridge piece；11, the second ridge
Piece；12, third ridge piece；13, the 4th ridge piece；14, ridge on piece end fastener；15, end fastener in ridge piece；16, ferrite inhales wave
Material；17, straightway；18, exponential fade section；19, the first curved section；20, the second curved section.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
It should be noted that in the description of the present invention, term "front", "rear", "left", "right", "upper", "lower", "inner",
The orientation or positional relationship of the instructions such as "outside" be based on orientation or positional relationship shown in the drawings, term " first ", " second ",
The preamble of " third ", " the 4th " as noun all merely to more clearly illustrating technical solution of the present invention, rather than is wanted
Ask the present invention that must construct and operate, therefore be not considered as limiting the invention with specific orientation, sequence.This hair
Term "front", "rear", "left", "right" used in bright description, "upper", "lower" refer to the direction in attached drawing, term "inner",
"outside" refers respectively to the direction towards or away from geometric center of specific component.
It is as shown in Figure 1 and Figure 2: dual polarization open boundary antenna, including short-circuit cover board, feed plug, hollow base and two pairs
Ridge piece.
Hollow base has open upper port and lower port, and inside is equipped with limited step.Two pairs of ridge pieces are in right-angled intersection
Shape distribution, forms the Antenna aperture gradually expanded from bottom to up, the bottom end (i.e. Antenna aperture is small-bore) of two pairs of ridge pieces is therefrom
The upper port of empty pedestal protrudes into, and is supported on the limited step in hollow base.The lower port of short-circuit cover board and hollow base is close
Envelope connection forms reflection cavity with hollow base.Two pairs of ridge pieces protrude into the part of hollow base be located at it is hollow above reflection cavity
Base intracavity forms the ridge waveguide of the antenna.
For convenience of the description embodiment of the present invention, two pairs of ridge pieces are respectively designated as below: the first ridge piece 10, the second ridge piece
11, third ridge piece 12 and the 4th ridge piece 13, the first ridge piece 10 and third ridge piece 12 are oppositely arranged, the second ridge piece 11 and the 4th ridge piece
13 are oppositely arranged, and are in cross-shaped distribution.
The hollow base includes the frame jigsaw being arranged around two pairs of ridge pieces and is connected to short-circuit cover board 5 and frame jigsaw
Between connecting plate.Connecting plate outer surface connects the first diagonal brace 1, the second diagonal brace 2, third diagonal brace 3, the 4th diagonal brace 4, each described oblique
Support is supported on short-circuit cover board 5, is respectively used to the first ridge piece 10 of connection support, the second ridge piece 11, third ridge piece 12 and the 4th ridge
Piece 13.
As shown in figure 5, two pairs of ridge pieces are all made of hollow design structure, to reduce the weight and processing cost of antenna.Each ridge
Piece with a thickness of 28~35mm.It is connected between adjacent ridge piece by fastener, including the ridge on piece for connecting each ridge piece upper end
End fastener 15 in end fastener 14 and ridge piece for connecting each ridge piece middle-end, two fasteners are fixed with screw respectively
On the first ridge piece 10, the second ridge piece 11, third ridge piece 12 and the 4th ridge piece 13, which can not only increase antenna
Stability, and can reduce the debugging difficulty of antenna.The fastener is light composite material, alleviates the weight of antenna.
The first ridge piece 10, the second ridge piece 11, third ridge piece 12 and the 4th ridge piece 13 ridged edge use chamfered,
After chamfered, ridge piece thickness can be significantly increased, and expanded the coupling area between ridge, be conducive to inhibition and the high band of higher mode
Spread spectrum.
The ridge curve of the ridge piece includes sequentially connected four sections from bottom to up: being straightway 17, second close to bottom end
Section be exponential fade section 18, third section be the first curved section 19, the 4th section be the second curved section 20；
The straightway ensure that the clearance distance of each ridge piece is consistent, to ensure that the stability of input impedance；It is described
The ridge curvilinear equation of exponential fade section are as follows: y=α eβL+ kL, in which: wherein k, α, β are constant, and L is ridge leaf length.K=0.04~
0.06, α=0.5~0.8, β=0.005~0.009, L=100~510mm.
Ridge piece is opened according to the ridge curvilinear equation, is improved the low-frequency range characteristic of antenna, has been expanded the beamwidth of antenna, institute
It states the first curved section and the second curved section optimizes the voltage standing wave ratio and directional diagram of dual polarization open boundary antenna.
As shown in Figure 3, Figure 4, the feed plug includes that the first feed plug 8 and the second feed plug 9: the first feed core
One end of stick 8 is inserted into the second ridge piece 11 of ridge waveguide horizontal through hollow base and through the 4th ridge piece 13 of ridge waveguide, the
The depth that one feed plug 8 is inserted into the second ridge piece 11 is 11~14mm.The other end and the first radio frequency of first feed plug 8 connect
Connect the connection of device (N50-K) 6.Second feeds one end of plug 9 horizontal through hollow base and runs through the first ridge piece 10 of ridge waveguide,
It is inserted into the third ridge piece 12 of ridge waveguide, the depth that the second feed plug 9 is inserted into the second ridge piece 12 is 11~14mm, the second feedback
The other end of battery cell bar 9 and the second radio frequency connector (N50-K) 7 connect.
The two feed plugs not in same antenna mouth face, the first feed plug 8 and the second feed 9 center of plug it is vertical between
Away from for 5~7mm.It feeds plug and ridge waveguide, radio frequency connector is constituted by coaxially converting to the coaxial-ridge waveguide of Ridge Waveguide Transitions
Device.
The reflection cavity is the up big and down small halfpace type gradual change chamber of bore, before halfpace, below, left side and right side
The inclined-plane grading structure possessed, can be applicable in the reflection of different frequency, so that antenna be made to have ultra wideband；The chamber of reflection cavity
Interior filling high performance ferrite absorbing material 16, can effectively improve high band antenna radiation pattern and separating phenomenon occurs.
To sum up, a kind of dual polarization boundary antenna provided by the invention, is designed as ladder using unique feed structure, reflection cavity
Bench-type gradual change chamber has effectively widened bandwidth.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of dual polarization open boundary antenna, which is characterized in that including feed plug, the hollow base of both ends open and two pairs
Ridge piece, the Antenna aperture that two pairs of ridge pieces surround gradually expand from bottom to up；The hollow base is set to the small of Antenna aperture
At bore, reflection cavity is formed with the short-circuit cover board being set to below hollow base；Hollow base is inserted into the bottom end of two pairs of ridge pieces
It is interior, ridge waveguide is formed with the hollow base inner cavity being located above reflection cavity；
The feed plug is equipped with two, and the two feed plugs extend through two ridge pieces adjacent in ridge waveguide, and insert respectively
Enter to the ridge piece of respective opposite direction.
2. dual polarization open boundary antenna according to claim 1, which is characterized in that the ridge curve of the ridge piece include from
Under it is supreme sequentially connected: straightway, exponential fade section, the first curved section and the second curved section.
3. dual polarization open boundary antenna according to claim 2, which is characterized in that the ridge curve of the exponential fade section
Equation are as follows:, in which: k, α, β are preset empirical, and L is ridge leaf length.
4. dual polarization open boundary antenna according to claim 1, which is characterized in that the ridged edge of the ridge piece is equipped with
Corner structure.
5. dual polarization open boundary antenna according to claim 1, which is characterized in that under the reflection cavity is big on bore
Small halfpace type gradual change chamber.
6. dual polarization open boundary antenna according to claim 1 or 5, which is characterized in that be filled in the reflection cavity
Ferrite wave-absorbing material.
7. dual polarization open boundary antenna according to claim 6, which is characterized in that the hollow base includes surrounding two
The connecting plate that frame jigsaw is arranged to ridge piece and is connected between short-circuit cover board and frame jigsaw.
8. dual polarization open boundary antenna according to claim 7, which is characterized in that on the connecting plate with each ridge piece phase
Corresponding to be equipped with diagonal brace, the diagonal brace is supported on short-circuit cover board.
9. dual polarization open boundary antenna according to claim 1, which is characterized in that pass through fastener between adjacent ridge piece
Connection.
10. dual polarization open boundary antenna according to claim 1, which is characterized in that the two feed plugs are not same
One Antenna aperture, the axis of two feed plugs are 5 ~ 7mm in the distance of vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811442467.6A CN109586028A (en) | 2018-11-29 | 2018-11-29 | A kind of dual polarization open boundary antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811442467.6A CN109586028A (en) | 2018-11-29 | 2018-11-29 | A kind of dual polarization open boundary antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109586028A true CN109586028A (en) | 2019-04-05 |
Family
ID=65925251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811442467.6A Pending CN109586028A (en) | 2018-11-29 | 2018-11-29 | A kind of dual polarization open boundary antenna |
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| Country | Link |
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| CN (1) | CN109586028A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490153A (en) * | 2013-09-17 | 2014-01-01 | 电子科技大学 | Subminiature ultra-wide-band helical antenna |
| CN203826560U (en) * | 2014-04-16 | 2014-09-10 | 常州吉赫射频电子技术有限公司 | Ultra-wideband dual-polarized horn antenna with open borders |
| CN204243179U (en) * | 2014-12-10 | 2015-04-01 | 南京长峰航天电子科技有限公司 | 1 ~ 4GHz dual polarization open boundary antenna |
| JP2015073248A (en) * | 2013-10-04 | 2015-04-16 | 国立大学法人 名古屋工業大学 | Quad ridge horn antenna |
| CN108172992A (en) * | 2017-12-26 | 2018-06-15 | 电子科技大学 | A kind of novel Archimedian spiral antenna for step frequency Ground Penetrating Radar |
-
2018
- 2018-11-29 CN CN201811442467.6A patent/CN109586028A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490153A (en) * | 2013-09-17 | 2014-01-01 | 电子科技大学 | Subminiature ultra-wide-band helical antenna |
| JP2015073248A (en) * | 2013-10-04 | 2015-04-16 | 国立大学法人 名古屋工業大学 | Quad ridge horn antenna |
| CN203826560U (en) * | 2014-04-16 | 2014-09-10 | 常州吉赫射频电子技术有限公司 | Ultra-wideband dual-polarized horn antenna with open borders |
| CN204243179U (en) * | 2014-12-10 | 2015-04-01 | 南京长峰航天电子科技有限公司 | 1 ~ 4GHz dual polarization open boundary antenna |
| CN108172992A (en) * | 2017-12-26 | 2018-06-15 | 电子科技大学 | A kind of novel Archimedian spiral antenna for step frequency Ground Penetrating Radar |
Non-Patent Citations (2)
| Title |
|---|
| JUNPING SHANG等: "75–500 MHz quadruple-ridged horn antenna with dual polarisation", 《ELECTRONICS LETTERS》 * |
| 王娟: "自由空间法微波参数测试技术", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
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Application publication date: 20190405 |