CN206211025U - Broad beam millimeter wave circular polarized antenna - Google Patents
Broad beam millimeter wave circular polarized antenna Download PDFInfo
- Publication number
- CN206211025U CN206211025U CN201621310352.8U CN201621310352U CN206211025U CN 206211025 U CN206211025 U CN 206211025U CN 201621310352 U CN201621310352 U CN 201621310352U CN 206211025 U CN206211025 U CN 206211025U
- Authority
- CN
- China
- Prior art keywords
- millimeter wave
- polarized antenna
- circular polarized
- wave circular
- converter
- 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.)
- Expired - Fee Related
Links
- 230000005855 radiation Effects 0.000 claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 abstract description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
-
- 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
Landscapes
- Waveguide Aerials (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The utility model discloses a kind of broad beam millimeter wave circular polarized antenna, including millimeter wave circular polarized antenna component and di-lens, the di-lens is arranged on the millimeter wave circular polarized antenna component side and is connected on the millimeter wave circular polarized antenna component；Also, the di-lens be provided with the radiation port of the millimeter wave circular polarized antenna component just to concave surface, the opening of the concave surface dorsad radiation port.Broad beam millimeter wave circular polarized antenna of the present utility model, di-lens is set up by millimeter wave circular polarized antenna component, broadening antenna beam perfectly is solved the problems, such as, beam angle can reach more than 90 degree, meet the electricity function index requirement and mechanical performance index requirement of system.
Description
Technical field
The utility model is related to a kind of antenna, more particularly to a kind of broad beam millimeter wave circular polarized antenna.
Background technology
With developing rapidly for millimeter-wave technology, its application field constantly expands to cover unmanned, imaging of medical, shifting
The numerous areas such as dynamic communication, are even more in national defence and modernized war and play great function, millimetre-wave radar and electronics pair
Anti- system is widely used in various military platforms.
In many application scenarios, system requirements millimeter wave antenna has wave beam very wide, such as reach 120 degree of wave beam
Width meets the covering in wide-angle spatial domain.The way of realization of millimeter wave antenna has microstrip antenna, element antenna and ripple
Lead electromagnetic horn etc..The circular polarisation of antenna is realized, corner cut treatment or the feedback of double-fed point can be carried out for microstrip antenna
Electricity, can be synthesized for element antenna with two linear polarized antennas, but all exist requirement on machining accuracy it is high and loss compared with
Big shortcoming.Circular polarisation waveguide horns can easily realize turning from linear polarization to circular polarisation by circular polarisation converter
Change, radiation efficiency is also very high.But the beam angle of three of the above antenna is general within 90 degree, not up to as 120 degree surpass
Broad beam.
Utility model content
The technical problems to be solved in the utility model is, there is provided a kind of beam angle can reach more than 90 degree, meets system
The broad beam millimeter wave circular polarized antenna of electricity function index requirement and the mechanical performance index requirement of system.
The utility model solves the technical scheme that its technical problem used：A kind of broad beam millimeter wave circular polarisation is provided
Antenna, including millimeter wave circular polarized antenna component and di-lens, the di-lens are arranged on the millimeter wave circular polarisation
Antenna module side is simultaneously connected on the millimeter wave circular polarized antenna component；Also, the di-lens be provided with it is described
The radiation port of millimeter wave circular polarized antenna component just to concave surface, the opening of the concave surface dorsad radiation port.
Preferably, the millimeter wave circular polarized antenna component includes taper converter and circular waveguide rectangular waveguide converter,
The circular waveguide rectangular waveguide converter is arranged on the larger one end of the peripheral dimension of the taper converter；The medium is saturating
Mirror is connected on the taper converter on less one end of peripheral dimension of the taper converter.
Preferably, the circular waveguide rectangular waveguide converter be embedded in the taper converter peripheral dimension it is larger one
End, and the taper converter is fixedly connected by the first fastener.
Preferably, the di-lens includes being arranged on the flat part of the taper converter side, is connected to described putting down
The supporting part of plate portion periphery, the supporting part extends and is connected on the taper converter to the taper converter direction；
Radiation port of the concave surface just to the taper converter is opened on the flat part.
Preferably, the flat part is circular flat board, and its diameter is not more than the maximum peripheral dimension of the taper converter.
Preferably, the supporting part is vertically connected on the periphery of the flat part, and connects described by the second fastener
Taper converter.
Preferably, the di-lens is the nonmetallic lens that low-loss, the nonmetallic materials of low-k are made.
Preferably, the di-lens is polytetrafluoroethylene (PTFE) lens.
Preferably, the diameter of the concave surface is consistent with the operation wavelength of the millimeter wave circular polarized antenna component.
Preferably, the concave surface with diameter greater than or equal to the millimeter wave circular polarized antenna component radiation port it is straight
Footpath.
Broad beam millimeter wave circular polarized antenna of the present utility model, Jie is set up by millimeter wave circular polarized antenna component
Matter lens, perfectly solve the problems, such as broadening antenna beam, and beam angle can reach more than 90 degree, meet the electrical resistance of system
Can index request and mechanical performance index requirement.The structure of di-lens is relatively simple, easy to process, low cost, with very low
Cost realize the performance requirement of system.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the top view of the broad beam millimeter wave circular polarized antenna of the embodiment of the utility model one；
Fig. 2 is the upward view of the broad beam millimeter wave circular polarized antenna of the embodiment of the utility model one；
Fig. 3 is the cross-sectional view of the broad beam millimeter wave circular polarized antenna of the embodiment of the utility model one.
Specific embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, accompanying drawing is now compareed detailed
Illustrate specific embodiment of the present utility model.
As Figure 1-3, the broad beam millimeter wave circular polarized antenna of the embodiment of the utility model one, including millimeter wave entelechy
Change antenna module 2 and di-lens 1.Di-lens 1 is arranged on the side of millimeter wave circular polarized antenna component 2 and is connected to millimeter
On ripple circular polarized antenna component 2；Also, di-lens 1 is provided with just right with the radiation port 20 of millimeter wave circular polarized antenna component 2
Concave surface 10, the opening backward radiation mouthful 20 of concave surface 10.
Millimeter wave circular polarized antenna component 2 is used to radiate and receive the circular polarisation electromagnetic wave of millimeter wave frequency band, is produced
Raw antenna radiation pattern is a wave beam for orientation；Di-lens 1 can be opened up significantly on millimeter wave circular polarized antenna component 2
The wave beam of Wide antenna, meets in specific application area such as electronic countermeasure to the requirement of wide antenna beam.
The middle part of millimeter wave circular polarized antenna component 2 is provided with the passage of its upper and lower ends of insertion, with broad beam shown in Fig. 3 in the least
As a example by metric wave circular polarized antenna placement direction, the open top of the passage of millimeter wave circular polarized antenna component 2 forms radiation port 20.
Wherein, millimeter wave circular polarized antenna component 2 includes taper converter 21 and circular waveguide rectangular waveguide converter 22, circle
Used as the conversion equipment between circular waveguide and rectangular waveguide, it is arranged on taper converter 21 to Waveguide Rectangular waveguide switch 22
The larger one end of peripheral dimension on；Di-lens 1 on less one end of peripheral dimension of taper converter 21 in being connected to cone
On shape converter 21.The external dimensions of circular waveguide rectangular waveguide converter 22 is added according to the installation requirement of taper converter 21
Work sets.
The passage insertion taper converter 21 of millimeter wave circular polarized antenna component 2, radiation port 20 is located at taper converter 21
The less one end of peripheral dimension on, also serve as the radiation port of taper converter 21.
In the present embodiment, circular waveguide rectangular waveguide converter 22 be embedded in taper converter 21 peripheral dimension it is larger one
End, and taper converter 21 is fixedly connected by the first fastener such as bolt etc..
Millimeter wave circular polarized antenna component 2 is made of metal material.For example, circular waveguide rectangular waveguide converter 22 and cone
Shape converter 21 can select and be not limited to 5052-T4 aluminium alloys or 2A12-T4 aluminium alloys are made, with good electrical performance and machine
The features such as tool processing characteristics.
In order to meet the barrier propterty of di-lens 1, di-lens 1 at least needs to meet following four requirements：1., have
Excellent electric property, the wave transparent performance of its material will get well, i.e. reflection and transmission loss to electromagnetic wave is small, and this requires material
The dielectric constant and Dielectric loss tangent value of material will be small；2., with good weatherability, solar radiation, rainwater are stood and is invaded
The natural environmental conditions such as erosion；3., material has good machinability energy, can be added using process equipments such as lathe, milling machines
Work；4., the position of concave surface 10 is located at the surface of the radiation port 20 of millimeter wave circular polarized antenna component 2, and the diameter of concave surface 20 is about
One operation wavelength of antenna.Therefore, di-lens 1 is made of the nonmetallic materials of low-loss, low-k, for example, gather
Tetrafluoroethene etc..Di-lens 1 is preferably polytetrafluoroethylene (PTFE) lens.
In the present embodiment example, di-lens 1 includes being arranged on the flat part 11 of the side of taper converter 21, is connected to flat board
The supporting part 12 of the periphery of portion 11, supporting part 12 extends and is connected on taper converter 21 to the direction of taper converter 21.
Specifically, in the present embodiment, flat part 11 is circular flat board, and the maximum that its diameter is not more than taper converter 21 is outer
All sizes.Supporting part 12 is vertically connected on the periphery of flat part 11, and connects taper conversion by the second fastener such as bolt etc.
Device 21.
Concave surface 10 is just opened on flat part 11 to the radiation port 20 of taper converter 21.Flat part 11 is in taper converter
Upper 21 and taper converter 21 is not directly contacted with, so as to have certain interval before concave surface 10 and radiation port 20.
The diameter of concave surface 10 is consistent with the operation wavelength of millimeter wave circular polarized antenna component 2.Concave surface 10 with diameter greater than or
Equal to the diameter of the radiation port 20 of millimeter wave circular polarized antenna component 2, can be with the wave beam of broadening antenna with guarantee.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of broad beam millimeter wave circular polarized antenna, it is characterised in that including millimeter wave circular polarized antenna component and medium
Lens, the di-lens is arranged on the millimeter wave circular polarized antenna component side and is connected to the millimeter wave circular polarisation day
On line component；Also, the di-lens be provided with the radiation port of the millimeter wave circular polarized antenna component just to concave surface,
The opening of the concave surface dorsad radiation port.
2. broad beam millimeter wave circular polarized antenna according to claim 1, it is characterised in that the millimeter wave circular polarisation day
Line component includes taper converter and circular waveguide rectangular waveguide converter, and the circular waveguide rectangular waveguide converter is arranged on described
On the larger one end of the peripheral dimension of taper converter；The di-lens is less in the peripheral dimension of the taper converter
It is connected on one end on the taper converter.
3. broad beam millimeter wave circular polarized antenna according to claim 2, it is characterised in that the circular waveguide rectangular waveguide
Converter is embedded in larger one end of peripheral dimension of the taper converter, and is fixedly connected the cone by the first fastener
Shape converter.
4. broad beam millimeter wave circular polarized antenna according to claim 2, it is characterised in that the di-lens includes setting
Put the taper converter side flat part, be connected to the supporting part of the flat part periphery, the supporting part is to described
Taper converter direction extends and is connected on the taper converter；The concave surface is just to the radiation port of the taper converter
It is opened on the flat part.
5. broad beam millimeter wave circular polarized antenna according to claim 4, it is characterised in that the flat part is circular flat
Plate, its diameter is not more than the maximum peripheral dimension of the taper converter.
6. broad beam millimeter wave circular polarized antenna according to claim 4, it is characterised in that the supporting part is vertically connected
In the periphery of the flat part, and the taper converter is connected by the second fastener.
7. broad beam millimeter wave circular polarized antenna according to claim 1, it is characterised in that the di-lens is low damage
The nonmetallic lens that consumption, the nonmetallic materials of low-k are made.
8. broad beam millimeter wave circular polarized antenna according to claim 7, it is characterised in that the di-lens is poly- four
PVF lens.
9. the broad beam millimeter wave circular polarized antenna according to claim any one of 1-8, it is characterised in that the concave surface
Diameter is consistent with the operation wavelength of the millimeter wave circular polarized antenna component.
10. the broad beam millimeter wave circular polarized antenna according to claim any one of 1-8, it is characterised in that the concave surface
With diameter greater than or equal to the millimeter wave circular polarized antenna component radiation port diameter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016207926091 | 2016-07-26 | ||
| CN201620792609 | 2016-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206211025U true CN206211025U (en) | 2017-05-31 |
Family
ID=58751260
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611091468.1A Active CN106785426B (en) | 2016-07-26 | 2016-12-01 | Wide wave beam millimeter wave circularly polarized antenna |
| CN201621310352.8U Expired - Fee Related CN206211025U (en) | 2016-07-26 | 2016-12-01 | Broad beam millimeter wave circular polarized antenna |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611091468.1A Active CN106785426B (en) | 2016-07-26 | 2016-12-01 | Wide wave beam millimeter wave circularly polarized antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106785426B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785426A (en) * | 2016-07-26 | 2017-05-31 | 深圳市鼎耀科技有限公司 | Broad beam millimeter wave circular polarized antenna |
| CN109818146A (en) * | 2019-03-26 | 2019-05-28 | 大连海事大学 | It is a kind of list coated by dielectric wide axis compare beam antenna |
| CN110637393A (en) * | 2017-06-05 | 2019-12-31 | 日立汽车系统株式会社 | Antenna, array antenna, radar device and vehicle-mounted system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037943B (en) * | 2018-08-12 | 2022-03-01 | 四川大学 | Medium metal mixed three-dimensional printing hyperbolic lens antenna |
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| FR2535906B1 (en) * | 1982-11-05 | 1985-09-20 | Thomson Csf | DUAL REFLECTOR ANTENNA FOR TRACKING RADAR FOR IMPROVING ACQUISITION |
| RU2092941C1 (en) * | 1988-04-04 | 1997-10-10 | Научно-производственное объединение им.С.А.Лавочкина | Emitter of parabolic antenna |
| GB2476787B (en) * | 1991-03-01 | 2011-12-07 | Marconi Gec Ltd | Microwave antenna |
| JP2545737B2 (en) * | 1994-01-10 | 1996-10-23 | 郵政省通信総合研究所長 | Gaussian beam type antenna device |
| US7420525B2 (en) * | 2006-06-23 | 2008-09-02 | Gm Global Technology Operations, Inc. | Multi-beam antenna with shared dielectric lens |
| CN101345332B (en) * | 2007-07-13 | 2013-01-30 | 上海磁浮交通工程技术研究中心 | Vehicle-mounted millimeter wave communication antenna integrating figuration and changed polarization |
| CN202395161U (en) * | 2011-12-26 | 2012-08-22 | 上海磁浮交通发展有限公司 | High power beamforming vehicle-mounted antenna with two-stage structure |
| CN102646870A (en) * | 2012-01-15 | 2012-08-22 | 中国电子科技集团公司第十研究所 | Ultra-wide circularly polarized beam antenna with waveguide structure |
| CN103199337A (en) * | 2013-03-21 | 2013-07-10 | 西安电子科技大学 | Circularly polarized microstrip antenna |
| CN103236586B (en) * | 2013-03-21 | 2015-06-17 | 西安电子科技大学 | Small circularly-polarized horn antenna |
| CN108811532B (en) * | 2013-04-19 | 2015-09-23 | 湖北航天技术研究院总体设计所 | A kind of missile-borne broad beam high-gain aerial |
| CN203434272U (en) * | 2013-09-22 | 2014-02-12 | 四川九洲电器集团有限责任公司 | Circularly-polarized feed source device |
| CN105789843B (en) * | 2016-03-29 | 2019-03-22 | 北京工业大学 | Minimized oriented antenna based on left-handed material |
| CN106785426B (en) * | 2016-07-26 | 2024-01-30 | 深圳市鼎耀科技有限公司 | Wide wave beam millimeter wave circularly polarized antenna |
-
2016
- 2016-12-01 CN CN201611091468.1A patent/CN106785426B/en active Active
- 2016-12-01 CN CN201621310352.8U patent/CN206211025U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785426A (en) * | 2016-07-26 | 2017-05-31 | 深圳市鼎耀科技有限公司 | Broad beam millimeter wave circular polarized antenna |
| CN106785426B (en) * | 2016-07-26 | 2024-01-30 | 深圳市鼎耀科技有限公司 | Wide wave beam millimeter wave circularly polarized antenna |
| CN110637393A (en) * | 2017-06-05 | 2019-12-31 | 日立汽车系统株式会社 | Antenna, array antenna, radar device and vehicle-mounted system |
| CN109818146A (en) * | 2019-03-26 | 2019-05-28 | 大连海事大学 | It is a kind of list coated by dielectric wide axis compare beam antenna |
| CN109818146B (en) * | 2019-03-26 | 2020-08-25 | 大连海事大学 | Single-medium loaded wide axial ratio beam antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106785426A (en) | 2017-05-31 |
| CN106785426B (en) | 2024-01-30 |
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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: 20170531 |