CN208299049U - A kind of X-band leaky antenna - Google Patents
A kind of X-band leaky antenna Download PDFInfo
- Publication number
- CN208299049U CN208299049U CN201820234929.4U CN201820234929U CN208299049U CN 208299049 U CN208299049 U CN 208299049U CN 201820234929 U CN201820234929 U CN 201820234929U CN 208299049 U CN208299049 U CN 208299049U
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- CN
- China
- Prior art keywords
- component
- antenna
- lower frame
- upper ledge
- plate section
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- Expired - Fee Related
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- 230000010287 polarization Effects 0.000 claims abstract description 12
- 210000002421 cell wall Anatomy 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005388 cross polarization Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model relates to Antenna Design fields, more particularly to a kind of X-band leaky antenna, including antenna house, connecting plate is fixed on the outer housing of antenna house, arrangement polarization grid inside antenna house, rectangular waveguide and corner reflector, the corner reflector includes upper ledge component, lower frame component and connector, upper ledge component and lower frame component are plate and the two plate face relative spacing is arranged, wherein one end plate face is in 45 ° of angles and connects polarization grid in the root of angle upper ledge component with lower frame component, polarization grid is strip groove plate and two cell walls are inclined outwardly, two cell walls respectively with upper ledge component, the inner plate surface of lower frame component is connected, the other end of upper ledge component and lower frame component is separately fixed on the fixed frame being arranged in antenna house, connector and rectangular waveguide are each attached between frame component and lower frame component, rectangular waveguide Antenna terminal is connected, the outer end of antenna terminal extends to the outside of antenna house, can be improved the radiation efficiency of antenna and size is smaller.
Description
Technical field
The utility model relates to Antenna Design field more particularly to a kind of X-band leaky antennas.
Background technique
Currently, low slow small target detection radar can comprehensive scanning area under one's jurisdiction airspace, a wide range of detecting early-warning can be ten kilometers
Within effectively detect the airbound targets such as flying bird, unmanned plane, fire balloon, kite.Existing antenna radiation efficiency is lower, overall dimensions
It is bigger than normal, occupied space and higher cost.
Utility model content
The purpose of the utility model is to overcome the problems of the above-mentioned prior art, provide that a kind of radiation efficiency is high, size
Small X-band leaky antenna.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of X-band leaky antenna, including day
Irdome, connecting plate, connecting plate are fixed on the outer housing of antenna house, arrangement polarization grid inside antenna house, rectangular waveguide and
Corner reflector, the corner reflector include upper ledge component, lower frame component and connector, and upper ledge component and lower frame component are plate
And the two plate face relative spacing is arranged, wherein one end plate face is in 45 ° of angles and the root in angle for upper ledge component and lower frame component
Connection polarization grid, polarization grid are that strip groove plate and two cell walls are inclined outwardly, two cell walls respectively with upper ledge component, under
The inner plate surface of frame component is connected, and the other end of upper ledge component and lower frame component is separately fixed at the fixed frame being arranged in antenna house
On, connector and rectangular waveguide are each attached between frame component and lower frame component, and rectangular waveguide connects antenna terminal, antenna
The outer end of connector extends to the outside of antenna house.
The antenna house is that cuboid is shelly-shaped, and connecting plate is strip groove plate, and the trough floor of connecting plate, which reclines, is fixed on day
On the outer wall of irdome, fixed locating stud on the slot inner bottom surface of connecting plate, the outer end of antenna terminal is extended in the slot of connecting plate.
The upper ledge component includes folded plate section, the first flat plate section, the second flat plate section and tilted plate section and four are sequentially connected, folding
Plate section and the first flat plate section are vertically connected, and step is arranged and had therebetween to the first flat plate section and the second flat plate section parallel spacing,
Second flat plate section is located at the root of the angle, and lower frame component is identical with upper ledge modular construction and the two is arranged symmetrically, lower frame group
The folded plate section of part and the folded plate section of upper ledge component are bolted on fixed frame respectively, and the connector is U-shaped board, connection
Part and rectangular waveguide are each attached between the first flat plate section of lower frame component and the first flat plate section of upper ledge component, and connector
And first be bolted between flat plate section, one end of connector is resisted against on fixed frame, the other end and rectangular waveguide phase
Patch, one end of rectangular waveguide fixed by clip, clip be arranged in lower frame component the second flat plate section and upper ledge component the
Between two flat plate sections, clip and connector are distributed in the both ends of rectangular waveguide.
The tilted plate section of lower frame component passes through bracket with the tilted plate section of upper ledge component respectively and is fixedly connected with the inner wall of antenna house.
The utility model has the advantages that the antenna of the application, as transmitting antenna, energy is transferred in rectangular waveguide by antenna terminal,
And then it is radiated by the gap of rectangular waveguide narrow side to free space.Rectangular waveguide narrow side opens splayed gap, and spacing is set
For 1/2 λ g, cracks can reduce the cross polarization of antenna in this way.Simultaneously by adjusting crack depth and the angle of cracking in each gap
The space radiation pattern of degree adjustment antenna, reduces the minor lobe of antenna, improves the radiation efficiency of antenna.Corner reflector can be improved
The directionality of antenna improves gain, increases the radiation length of antenna.When the antenna of the application is as receiving antenna, electromagnetic wave
It is opposite when transmission path is with transmitting.Total concentrates in antenna house, and size is smaller, saves space.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model；
Fig. 2 is the structure chart of another angle of the utility model；
Fig. 3 is the sectional view along A-A of Fig. 1.
Specific embodiment
Below with reference to Fig. 1-3, the utility model will be further described.
A kind of X-band leaky antenna, including antenna house 10, connecting plate 20, connecting plate 20 are fixed on the shell of antenna house 10
On body, arrangement polarization grid 30, rectangular waveguide 40 and corner reflector, the corner reflector include upper ledge inside antenna house 10
Component 51, lower frame component 52 and connector 53, upper ledge component 51 and lower frame component 52 are plate and the two plate face relative spacing
Wherein one end plate face is in 45 ° of angles and connects polarization grid in the root of angle for arrangement, upper ledge component 51 and lower frame component 52
30, polarization grid 30 is that strip groove plate and two cell walls are inclined outwardly, two cell walls respectively with upper ledge component 51, lower frame component
52 inner plate surface is connected, and the other end of upper ledge component 51 and lower frame component 52 is separately fixed at the fixation being arranged in antenna house 10
On frame 60, connector 53 and rectangular waveguide 40 are each attached between frame component 51 and lower frame component 52, and rectangular waveguide 40 connects
Antenna terminal 70 is connect, the outer end of antenna terminal 70 extends to the outside of antenna house 10.
The antenna of the application is transferred in rectangular waveguide 40 as transmitting antenna, energy by antenna terminal 70, in turn
It is radiated by the gap of 40 narrow side of rectangular waveguide to free space.40 narrow side of rectangular waveguide opens splayed gap, and spacing is set
For 1/2 λ g, cracks can reduce the cross polarization of antenna in this way.It depth and cracks by adjusting cracking for each gap simultaneously
Angle adjusts the space radiation pattern of antenna, reduces the minor lobe of antenna, improves the radiation efficiency of antenna.Corner reflector can mention
The directionality of high antenna improves gain, increases the radiation length of antenna.When the antenna of the application is as receiving antenna, electromagnetic wave
Transmission path with transmitting when it is opposite.Total concentrates in antenna house 10, and size is smaller, saves space.
Further, the antenna house 10 is that cuboid is shelly-shaped, and connecting plate 20 is strip groove plate, the slot bottom of connecting plate 20
Plate, which reclines, to be fixed on the outer wall of antenna house 10, fixed locating stud 80 on the slot inner bottom surface of connecting plate 20, outside antenna terminal 70
End extends in the slot of connecting plate 20.Connecting plate 20 is used to connect with turntable, so that antenna is fixed on turntable, positioning pin 80 is right
Positioning action is played in the fixation of connecting plate 20.
Preferably, the upper ledge component 51 include folded plate section, the first flat plate section, the second flat plate section and tilted plate section and four according to
It is secondary be connected, folded plate section and the first flat plate section are vertically connected, the first flat plate section and the second flat plate section parallel spacing arrangement and the two it
Between have step, the second flat plate section is located at the root of the angle, and lower frame component 52 is identical with 51 structure of upper ledge component and the two is right
Claim arrangement, the folded plate section of lower frame component 52 and the folded plate section of upper ledge component 51 are bolted on respectively on fixed frame 60, institute
Stating connector 53 is U-shaped board, and connector 53 and rectangular waveguide 40 are each attached to the first flat plate section and upper ledge of lower frame component 52
Between first flat plate section of component 51, and it is bolted between connector 53 and the first flat plate section, one end of connector 53
Be resisted against on fixed frame 60, the other end and rectangular waveguide 40 are affixed, one end of rectangular waveguide 40 is fixed by clip 90,
Clip 90 is arranged between the second flat plate section of lower frame component 52 and the second flat plate section of upper ledge component 51, clip 90 and connector
53 are distributed in the both ends of rectangular waveguide 40.Connector 53 plays the role of connecting lower frame component 52 and upper ledge component 51.
Preferably, the tilted plate section of the tilted plate section of lower frame component 52 and upper ledge component 51 passes through bracket and antenna house 10 respectively
Inner wall is fixedly connected.Guarantee that the fixation of corner reflector is more secured.
It should be appreciated that specific embodiment described above is only used for explaining the utility model, it is not used to limit this reality
With novel.By the utility model the obvious changes or variations extended out of spirit still in the utility model protection
Among range.
Claims (4)
1. a kind of X-band leaky antenna, it is characterised in that: including antenna house (10), connecting plate (20), connecting plate (20) is fixed on
On the outer housing of antenna house (10), arrangement polarization grid (30), rectangular waveguide (40) and corner reflector inside antenna house (10),
The corner reflector includes upper ledge component (51), lower frame component (52) and connector (53), upper ledge component (51) and lower frame component
(52) be plate and the two plate face relative spacing arranges that wherein one end plate face is in for upper ledge component (51) and lower frame component (52)
45 ° of angles and the root of angle connect polarization grid (30), polarization grid (30) be strip groove plate and two cell walls it is outside
Inclination, two cell walls are connected with the inner plate surface of upper ledge component (51), lower frame component (52) respectively, upper ledge component (51) and lower frame group
The other end of part (52) is separately fixed on the fixed frame (60) being arranged in antenna house (10), connector (53) and rectangular waveguide
(40) it is each attached between frame component (51) and lower frame component (52), rectangular waveguide (40) connects antenna terminal (70), antenna
The outer end of connector (70) extends to the outside of antenna house (10).
2. X-band leaky antenna according to claim 1, it is characterised in that: the antenna house (10) is that cuboid is shelly-shaped,
Connecting plate (20) is strip groove plate, and the trough floor of connecting plate (20), which reclines, to be fixed on the outer wall of antenna house (10), connecting plate
(20) fixed locating stud (80) on slot inner bottom surface, the outer end of antenna terminal (70) extend in the slot of connecting plate (20).
3. X-band leaky antenna according to claim 2, the upper ledge component (51) include folded plate section, the first flat plate section,
It second flat plate section and tilted plate section and four is sequentially connected, folded plate section and the first flat plate section are vertically connected, the first flat plate section and second
Flat plate section parallel spacing arranges and has step therebetween, and the second flat plate section is located at the root of the angle, lower frame component (52)
Identical and the two is arranged symmetrically with upper ledge component (51) structure, the folded plate section of lower frame component (52) and the folded plate of upper ledge component (51)
Section is bolted on respectively on fixed frame (60), and the connector (53) is U-shaped board, connector (53) and rectangular waveguide
(40) it is each attached between the first flat plate section of lower frame component (52) and the first flat plate section of upper ledge component (51), and connector
(53) be bolted between the first flat plate section, one end of connector (53) is resisted against on fixed frame (60), the other end and
Rectangular waveguide (40) is affixed, and one end of rectangular waveguide (40) is fixed by clip (90), and clip (90) is arranged in lower frame group
Between second flat plate section of part (52) and the second flat plate section of upper ledge component (51), clip (90) and connector (53) are distributed in square
The both ends of corrugated waveguide (40).
4. X-band leaky antenna according to claim 3, it is characterised in that: the tilted plate section of the lower frame component (52) and
The tilted plate section of upper ledge component (51) passes through bracket respectively and is fixedly connected with the inner wall of antenna house (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820234929.4U CN208299049U (en) | 2018-02-09 | 2018-02-09 | A kind of X-band leaky antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820234929.4U CN208299049U (en) | 2018-02-09 | 2018-02-09 | A kind of X-band leaky antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208299049U true CN208299049U (en) | 2018-12-28 |
Family
ID=64697495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820234929.4U Expired - Fee Related CN208299049U (en) | 2018-02-09 | 2018-02-09 | A kind of X-band leaky antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208299049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459857A (en) * | 2019-06-27 | 2019-11-15 | 安徽四创电子股份有限公司 | A kind of radar antenna for ship traffic management system |
-
2018
- 2018-02-09 CN CN201820234929.4U patent/CN208299049U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459857A (en) * | 2019-06-27 | 2019-11-15 | 安徽四创电子股份有限公司 | A kind of radar antenna for ship traffic management system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |