CN109509983A - A kind of rectangular horn array antenna - Google Patents
A kind of rectangular horn array antenna Download PDFInfo
- Publication number
- CN109509983A CN109509983A CN201811476284.6A CN201811476284A CN109509983A CN 109509983 A CN109509983 A CN 109509983A CN 201811476284 A CN201811476284 A CN 201811476284A CN 109509983 A CN109509983 A CN 109509983A
- Authority
- CN
- China
- Prior art keywords
- rectangular
- array antenna
- rectangular horn
- gradual change
- horn mouth
- Prior art date
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/02—Waveguide horns
- H01Q13/0275—Ridged horns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
Abstract
The invention discloses a kind of rectangular horn array antennas, it include: array antenna ontology, uniform intervals are provided with multiple rectangular openings to array antenna ontology along its length, the end of each rectangular opening forms rectangular waveguide, the front end of each rectangular opening extends outward to form rectangular horn mouth, partition is provided between adjacent two rectangular horns mouth, groove is additionally provided between partition and rectangular horn mouth, gradual change flight is provided in rectangular horn mouth, it is symmetrical arranged on gradual change flight there are two ridge piece, each ridge on piece is provided with gradual change broached-tooth design.The present invention uses planar rectangular trumpet array antenna, and multiple rectangular horn antennas are formed aerial array by aligned transfer, are provided with gradual change flight in rectangular horn antenna, by the way of ladder transition, load power is big, and antenna gain is high, with good performance in the beamwidth of antenna and directional diagram.
Description
Technical field
The present invention relates to radio-frequency antenna technical field, especially a kind of rectangular horn array antenna.
Background technique
Planar array satellite antenna has begun a small amount of production in the world and uses, and is forming a kind of new hair
Exhibition trend represents the new direction of current international satellite communication application.
It is not easy to control there are directional diagram for existing single satellite antenna, and gain is not high, polarization characteristic and bandwidth characteristic
It is not able to satisfy the problem of satellite system development needs.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of rectangular horn array antenna, the application is adopted
With planar rectangular trumpet array antenna, multiple rectangular horn antennas are formed into aerial array, rectangular horn antenna by aligned transfer
It is inside provided with gradual change flight, by the way of ladder transition, load power is big, and antenna gain is high, in the beamwidth of antenna and direction
It is with good performance on figure.
The purpose of the present invention is achieved through the following technical solutions:
A kind of rectangular horn array antenna, comprising:
Array antenna ontology, uniform intervals are provided with multiple rectangular openings to array antenna ontology along its length, each rectangular opening
End forms rectangular waveguide, and the front end of each rectangular opening extends outward to form rectangular horn mouth, between adjacent two rectangular horns mouth
It is provided with partition, groove is additionally provided between partition and rectangular horn mouth, gradual change flight, gradual change are provided in rectangular horn mouth
It is symmetrical arranged on flight there are two ridge piece, each ridge on piece is provided with gradual change broached-tooth design.
Preferably, it is provided with wainscot above each rectangular horn mouth, is provided with down below each rectangular horn mouth
Siding, wainscot and lower wall panels are evenly arranged with multiple strip-type grilles.
Preferably, wainscot and lower wall panels are metal wallboard, and the strip-type grille on wainscot and lower wall panels is metallic grid.
Preferably, ridge piece bottom is provided with hole slot.
Preferably, the gradual change flight in rectangular horn mouth is three layers of ladder.
Preferably, rectangular horn mouth arranges on array antenna ontology in flat rectangular.
The beneficial effects of the present invention are:
(1) multiple rectangular horn antennas are formed into aerial array by aligned transfer, is provided with gradual change ladder in rectangular horn antenna
Layer, using flight transition, so that rectangular horn is open, the transition section length to waveguide segment is short, compact-sized, is conducive to improve
Antenna gain reduces the volume and weight of antenna；
(2) wainscot and lower wall panels are respectively arranged with strip-type grille, so that antenna has good low frequency characteristic, and in high frequency
Antenna pattern is not in deteriorate, and can obtain good impedance matching and radiation characteristic；
(3) ridge on piece is provided with gradual change broached-tooth design, so that can be good at realizing feed end in the case that antenna volume reduces
To the impedance variations of antenna aperture, the problem of rip-panel and gain when avoiding high frequency decline, be conducive to antenna radiation pattern adjusting
With antenna gain effect.
Detailed description of the invention
Fig. 1 is rectangular horn mouth horizontal cross-section structure diagram of the invention；
Fig. 2 is the vertical cross section schematic diagram of rectangular horn mouth of the present invention；
Fig. 3 is the floor map of array antenna ontology of the present invention；
In figure, 101- array antenna ontology, 102- rectangular waveguide, 103- rectangular horn mouth, 104- partition, 105- groove, 106-
Gradual change flight, 107- ridge piece, 108- gradual change broached-tooth design, 109- wainscot, 110- lower wall panels.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing, but protection scope of the present invention is not limited to
It is as described below.
A kind of rectangular horn array antenna please refers to shown in attached drawing 1- attached drawing 3, comprising:
Array antenna ontology 101, uniform intervals are provided with multiple rectangular openings, Mei Geju to array antenna ontology 101 along its length
The end in shape hole forms rectangular waveguide 102, and the front end of each rectangular opening extends outward to form rectangular horn mouth 103, adjacent two square
It is provided with partition 104 between shape horn mouth 103, groove 105, rectangle loudspeaker are additionally provided between partition 104 and rectangular horn mouth 103
It is provided with gradual change flight 106 in mouth 103, is symmetrical arranged that there are two ridge piece 107, each ridge pieces 107 on gradual change flight 106
On be provided with gradual change broached-tooth design 108, the top of each rectangular horn mouth 103 is provided with wainscot 109, each rectangular horn mouth
103 lower section is provided with lower wall panels 110, and wainscot 109 and lower wall panels 110 are evenly arranged with multiple strip-type grilles, wainscot 109
It is metal wallboard with lower wall panels 110, the strip-type grille on wainscot 109 and lower wall panels 110 is metallic grid, 107 bottom of ridge piece
It is provided with hole slot.
It should be further noted that rectangular horn mouth 103 arranges on array antenna ontology 101 in flat rectangular,
On planar array antenna, it is able to achieve bifrequency, dual polarization and Shared aperture, it is only necessary to which it is complete that common antenna is just able to satisfy satellite communication
The requirement of duplex.
Multiple rectangular horn antennas are formed aerial array by aligned transfer by the present invention, are provided with gradually in rectangular horn antenna
Become flight 106, using flight transition, so that the transition section length of rectangular horn opening 103 to waveguide segment is short, structure is tight
It gathers, is conducive to improve antenna gain, reduces the volume and weight of antenna；Wainscot 109 and lower wall panels 110 are respectively arranged with bar shaped
Grid so that antenna has good low frequency characteristic, and is not in deteriorate in high frequency radiation directional diagram, can obtain good
Impedance matching and radiation characteristic；
Further, it is provided with gradual change broached-tooth design 108 on ridge piece 107, so that in the case that antenna volume reduces, it can be fine
Realize that feed end arrives the impedance variations of antenna aperture, the problem of rip-panel when avoiding high frequency and gain decline, be conducive to day
Line directional diagram adjusts and antenna gain effect.
A specific embodiment of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (6)
1. a kind of rectangular horn array antenna characterized by comprising
Array antenna ontology, uniform intervals are provided with multiple rectangular openings to array antenna ontology along its length, each rectangular opening
End forms rectangular waveguide, and the front end of each rectangular opening extends outward to form rectangular horn mouth, between adjacent two rectangular horns mouth
It is provided with partition, groove is additionally provided between partition and rectangular horn mouth, gradual change flight, gradual change are provided in rectangular horn mouth
It is symmetrical arranged on flight there are two ridge piece, each ridge on piece is provided with gradual change broached-tooth design.
2. a kind of rectangular horn array antenna according to claim 1, which is characterized in that set above each rectangular horn mouth
It is equipped with wainscot, lower wall panels are provided with below each rectangular horn mouth, wainscot and lower wall panels are evenly arranged with multiple bar shapeds
Grid.
3. a kind of rectangular horn array antenna according to claim 2, which is characterized in that wainscot and lower wall panels are metallic walls
Plate, the strip-type grille on wainscot and lower wall panels are metallic grid.
4. a kind of rectangular horn array antenna according to claim 1, which is characterized in that ridge piece bottom is provided with hole slot.
5. a kind of rectangular horn array antenna according to claim 1, which is characterized in that the gradual change ladder in rectangular horn mouth
Layer is three layers of ladder.
6. a kind of rectangular horn array antenna according to claim 1, which is characterized in that rectangular horn mouth is in array antenna sheet
It is arranged on body in flat rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811476284.6A CN109509983A (en) | 2018-12-04 | 2018-12-04 | A kind of rectangular horn array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811476284.6A CN109509983A (en) | 2018-12-04 | 2018-12-04 | A kind of rectangular horn array antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109509983A true CN109509983A (en) | 2019-03-22 |
Family
ID=65751583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811476284.6A Pending CN109509983A (en) | 2018-12-04 | 2018-12-04 | A kind of rectangular horn array antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN109509983A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034386A (en) * | 2019-03-26 | 2019-07-19 | 北京遥测技术研究所 | Low axis can large-angle scanning Waveguide slot linear array antenna than high efficiency |
| CN114336064A (en) * | 2021-11-26 | 2022-04-12 | 中国电子科技集团公司第三十九研究所 | Horn antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034386A (en) * | 2019-03-26 | 2019-07-19 | 北京遥测技术研究所 | Low axis can large-angle scanning Waveguide slot linear array antenna than high efficiency |
| CN110034386B (en) * | 2019-03-26 | 2020-10-23 | 北京遥测技术研究所 | Low-axis-ratio high-efficiency wide-angle scanning waveguide slot linear array antenna |
| CN114336064A (en) * | 2021-11-26 | 2022-04-12 | 中国电子科技集团公司第三十九研究所 | Horn antenna |
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