CN208045698U - Low mutual even waveguide slot antenna - Google Patents
Low mutual even waveguide slot antenna Download PDFInfo
- Publication number
- CN208045698U CN208045698U CN201721738427.7U CN201721738427U CN208045698U CN 208045698 U CN208045698 U CN 208045698U CN 201721738427 U CN201721738427 U CN 201721738427U CN 208045698 U CN208045698 U CN 208045698U
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- CN
- China
- Prior art keywords
- waveguide
- slot antenna
- antenna
- waveguide slot
- choke groove
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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
-
- 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
- H01Q13/0233—Horns fed by a slotted waveguide array
Abstract
The utility model discloses a kind of low mutual even Waveguide slot antennas, it is related to shipborne radar navigation equipment technical field, including Waveguide slot antenna, fixed matching waveguide choke groove below the Waveguide slot antenna, fixed matching polarisation filter below the waveguide choke groove, SMA adapters are installed at fixed matching horn structure below the polarisation filter, the Waveguide slot antenna side middle part.The utility model is by antenna, choke groove, polarisation filter, horn structure together as one, have the characteristics that simple in structure, small volume and less weight, high-gain, narrow beam width, the problems such as beam angle is wide is efficiently solved, the occasions such as combat exercise, frontier defense patrol, emergency repair are very suitable for.
Description
Technical field
The utility model is related to shipborne radar navigation equipment technical field, more particularly to low mutual even Waveguide slot antenna.
Background technology
Artificial satellite, aircraft, guided missile, various naval vessels, weapons, vehicle, shell and mountains and rivers, sexual intercourse, building etc. all may be used
Using the target as radar detection.Monitoring and tracking to sea-surface target are always one of the vital task of radar, but strong
The weak target of low radar cross section is still a very challenging problem for maritime affairs radar under sea clutter background.
Such as the cruise missile or aircraft of low latitude sea skimming, the canoe of seas are in the submarine of periscope condition, also side
Border search, sea search and rescue, the prohibition of drug etc., for these targets detection tracking relationship to territory safety guard and maritime rights and interests
It ensures, and the testing requirements of these targets has been had exceeded with the detectability of traditional low resolution radar.
Currently, in practical applications, existing pathfinder antenna structure detection range is closer, mounting platform is limited, and
And influenced by the course line road conditions of ocean navigation and Marine Weather situation always, so just needing one kind that can increase measuring distance
Mutual even Waveguide slot antenna.
Utility model content
The utility model embodiment provides low mutual even Waveguide slot antenna, to solve existing in the prior art ask
Topic.
Low mutual even Waveguide slot antenna, including Waveguide slot antenna, Waveguide slot antenna lower section fixation are matching
Waveguide choke groove, fixed matching polarisation filter below the waveguide choke groove is solid below the polarisation filter
SMA adapters are installed at fixed matching horn structure, the Waveguide slot antenna side middle part.
Preferably, the length of the Waveguide slot antenna is 539.34-543.34mm, the gap of the Waveguide slot antenna
Installation down.
Preferably, the mounting height of the waveguide choke groove is the opposite face apart from Waveguide slot antenna gap face
The width of the position of 17.7-19.7mm, one upper lateral part protrusion of the waveguide choke groove is 3.68-4.68mm, the waveguide
The height of choke groove is 18-20mm, and the thickness of the waveguide choke groove is 1mm.
Preferably, the grid distance of the polarisation filter is 5.5-6.5mm, the grid local width is 3.8-
4.2mm。
Preferably, the width of horn structure side panel is 126.6-130.6mm, the subtended angle of the horn structure is high
Degree is 109.9-111.9mm, and the thickness of the horn structure is 1mm.
Preferably, the Waveguide slot antenna, the waveguide choke groove, the polarisation filter and the horn structure
Material is duralumin 5A06-F materials, does surface true qualities electric conductive oxidation processing.
The utility model advantageous effect：Antenna, choke groove, polarisation filter, horn structure collection are one by the utility model
Body has the characteristics that simple in structure, small volume and less weight, high-gain, narrow beam width, efficiently solves that beam angle is wide etc. to ask
Topic, is very suitable for the occasions such as combat exercise, frontier defense patrol, emergency repair.
Description of the drawings
Fig. 1 is the overall structure diagram for the low mutual even Waveguide slot antenna that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram of Waveguide slot antenna；
Fig. 3 is the structural schematic diagram of waveguide choke groove；
Fig. 4 is the structural schematic diagram of polarisation filter；
Fig. 5 is the structural schematic diagram of horn structure；
Fig. 6 is the structural schematic diagram of whole section；
Fig. 7 is whole three-dimensional structural schematic diagram.
Reference sign：
1- Waveguide slot antennas, 2- waveguide choke grooves, 3- polarisation filters, 4- horn structures, 5-SMA adapters.
Specific implementation mode
With reference to the attached drawing in new embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Whole description, it is to be understood that the scope of protection of the utility model is not restricted by specific implementation.
Referring to Fig.1, the utility model provides low mutual even Waveguide slot antenna, including Waveguide slot antenna 1, the waveguide
The fixed matching waveguide choke groove 2 in 1 lower section of slot antenna, the fixed matching polarization in 2 lower section of the waveguide choke groove
Filter 3, the fixed matching horn structure 4 in 3 lower section of the polarisation filter, 1 side of Waveguide slot antenna middle part
SMA adapters 5 are installed.
With reference to Fig. 2, the length of the Waveguide slot antenna 1 is 539.34-543.34mm, the Waveguide slot antenna 1
It installs down in gap.
With reference to Fig. 3, the waveguide choke groove 2 will be mounted on the both sides of the Waveguide slot antenna 1, the waveguide choke groove
2 mounting height is the position of the opposite face 17.7-19.7mm apart from 1 gap face of the Waveguide slot antenna, and the waveguide is gripped
The width of 2 one upper lateral part protrusion of chute is 3.68-4.68mm, and the height of the waveguide choke groove 2 is 18-20mm, described
The thickness of waveguide choke groove 2 is 1mm.
With reference to Fig. 4, the polarisation filter 3 is mounted on the lower section of the waveguide choke groove 2, the polarisation filter 3
Grid distance is 5.5-6.5mm, and the grid local width is 3.8-4.2mm.
With reference to Fig. 5, the horn structure 4 is mounted on the both sides of the polarisation filter 3,4 one side of the horn structure
The width of plate is 126.6-130.6mm, and the subtended angle height of the horn structure 4 is 109.9-111.9mm, the horn structure 4
Thickness be 1mm.
Referring to figure 6 and figure 7, the SMA adapters 5 are mounted in the middle part of 1 side of the Waveguide slot antenna, the waveguide seam
Gap antenna 1, the waveguide choke groove 2, the polarisation filter 3 and the horn structure 4 material be duralumin 5A06-F materials
Material does surface true qualities electric conductive oxidation processing.
Operation principle：Low mutual even Waveguide slot antenna provided by the utility model, Waveguide slot antenna are operated in X frequency ranges,
Polarisation filter plays cross-polarized filter action, and horn structure is then to ensure the beam angle requirement in pitching face.SMA turns
Meet the broadside face appointed part that device is fixed on Waveguide slot antenna with the screw of M2.5*4, Waveguide slot center 270.67mm
Place.
The low mutual even Waveguide slot antenna design of the utility model is mainly divided into two parts：
1, antenna scheme is chosen
According to the performance requirement and design feature of antenna the characteristics of navigation type, so needing selecting structure compact, corrosion-resistant
, the Waveguide slot antenna structure that power capacity is big, and because Waveguide slot antenna have good power capacity characteristic and damage
Small characteristic is consumed, the requires of the utility model boat-carrying pathfinder antenna can work in X frequency ranges, so just being stitched using waveguide
The mode of gap radiation is realized, while horn structure controls the scanning beam width in pitching face.
2, Antenna Construction Design
It is designed based on the idea that can be reduced antenna structure size and increase simultaneously antenna gain and radiation length, institute
Space is not only saved with the utility model, but also improves the gain of antenna.
This antenna is directed to the detection of sea surface small target, solves existing radar antenna demand miniaturization and in the presence of a harsh environment
The problems such as small target detection is difficult, low mutual even Waveguide slot antenna, which is mounted on sea surface small target radar, to be used cooperatively, and arteries and veins is emitted
Rush each type objects around signal detection：Radar is given in such as ship, buoy, bridge pier, embankment, floating ice, island, iceberg, coastline
System provides reliable electromagnetic wave information, can be round-the-clock, and real-time continuous cooperation navigation Small object radar system is realized to sea
The monitoring of moving target and Low Altitude Target Detection and motion conditions, having powerful adaptive capacity to environment, (such as high salt fog, high temperature are high
The adverse circumstances such as wet, sleet), with good economic efficiency and and social benefit.
In conclusion antenna, choke groove, polarisation filter, horn structure together as one are had structure by the utility model
Simply, the features such as small volume and less weight, high-gain, narrow beam width, the problems such as beam angle is wide is efficiently solved, is very suitable for making
The occasions such as war manoeuvre, frontier defense patrol, emergency repair.
Disclosed above is only a specific embodiment of the utility model, and still, the utility model embodiment is not office
It is limited to this, the changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.
Claims (6)
1. low mutual even Waveguide slot antenna, which is characterized in that including Waveguide slot antenna (1), under the Waveguide slot antenna (1)
The fixed matching waveguide choke groove (2) in side, the fixed matching polarisation filter in waveguide choke groove (2) lower section
(3), fixed matching horn structure (4) below the polarisation filter (3), in Waveguide slot antenna (1) side
Portion is installed by SMA adapters (5).
2. antenna as described in claim 1, which is characterized in that the length of the Waveguide slot antenna (1) is 539.34-
It installs down in the gap of 543.34mm, the Waveguide slot antenna (1).
3. antenna as claimed in claim 1 or 2, which is characterized in that the mounting height of the waveguide choke groove (2) is apart from institute
The position of the opposite face 17.7-19.7mm in Waveguide slot antenna (1) gap face is stated, (2) one upper lateral part of the waveguide choke groove is prominent
The width for going out part is 3.68-4.68mm, and the height of the waveguide choke groove (2) is 18-20mm, the waveguide choke groove (2)
Thickness be 1mm.
4. antenna as described in claim 1, which is characterized in that the grid distance of the polarisation filter (3) is 5.5-
6.5mm, the grid local width are 3.8-4.2mm.
5. antenna as described in claim 1, which is characterized in that the width of horn structure (4) side panel is 126.6-
The subtended angle height of 130.6mm, the horn structure (4) are 109.9-111.9mm, and the thickness of the horn structure (4) is 1mm.
6. antenna as described in claim 1, which is characterized in that the Waveguide slot antenna (1), the waveguide choke groove (2),
The material of the polarisation filter (3) and the horn structure (4) is duralumin 5A06-F materials, does surface true qualities electric conductive oxidation
Processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721738427.7U CN208045698U (en) | 2017-12-13 | 2017-12-13 | Low mutual even waveguide slot antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721738427.7U CN208045698U (en) | 2017-12-13 | 2017-12-13 | Low mutual even waveguide slot antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208045698U true CN208045698U (en) | 2018-11-02 |
Family
ID=63958546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721738427.7U Active CN208045698U (en) | 2017-12-13 | 2017-12-13 | Low mutual even waveguide slot antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208045698U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069243A (en) * | 2021-11-18 | 2022-02-18 | 四川九洲电器集团有限责任公司 | Horn antenna shaped by metal diaphragm |
| EP4293829A1 (en) * | 2022-06-17 | 2023-12-20 | Furuno Electric Co., Ltd. | Slot array antenna |
-
2017
- 2017-12-13 CN CN201721738427.7U patent/CN208045698U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069243A (en) * | 2021-11-18 | 2022-02-18 | 四川九洲电器集团有限责任公司 | Horn antenna shaped by metal diaphragm |
| EP4293829A1 (en) * | 2022-06-17 | 2023-12-20 | Furuno Electric Co., Ltd. | Slot array antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Low mutual even waveguide slot antenna Effective date of registration: 20200610 Granted publication date: 20181102 Pledgee: Shaanxi cultural industry finance Company limited by guarantee Pledgor: XI'AN XIDE ELECTRONIC INFORMATION TECHNOLOGY Co.,Ltd. Registration number: Y2020610000066 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210721 Granted publication date: 20181102 Pledgee: Shaanxi cultural industry finance Company limited by guarantee Pledgor: XI'AN XIDE ELECTRONIC INFORMATION TECHNOLOGY Co.,Ltd. Registration number: Y2020610000066 |