CN108039554A - Broadband low section orientation orthogonal dipole antennas - Google Patents
Broadband low section orientation orthogonal dipole antennas Download PDFInfo
- Publication number
- CN108039554A CN108039554A CN201711193906.XA CN201711193906A CN108039554A CN 108039554 A CN108039554 A CN 108039554A CN 201711193906 A CN201711193906 A CN 201711193906A CN 108039554 A CN108039554 A CN 108039554A
- Authority
- CN
- China
- Prior art keywords
- radiating doublet
- doublet arm
- arm
- metal
- chamber
- 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.)
- Pending
Links
Classifications
-
- 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
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/20—Two collinear substantially straight active elements; Substantially straight single active elements
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of broadband low section to orient orthogonal dipole antennas, broadband, dual polarization are realized by the shape for rationally designing two pairs of orthogonally located dipoles, orientation high-gain is realized by rationally designing reflection cavity, and low section is realized by the connection for rationally designing feed section and dipole.The advantage of the invention is that centered on whole antenna height working frequency corresponding wavelength a quarter, section is low；Bandwidth of operation reaches 2.5 octaves, bandwidth；In working band, standing wave is less than 2；On axis antenna gain is more than 5dB, can radiate vertically polarized wave and horizontal polarized wave at the same time；Connection 90oLeft-hand circular polarization ripple or right-handed circular polarization ripple can also be radiated after electric bridge.
Description
Technical field
The invention belongs to field of antenna, and in particular to a kind of broadband low section orients orthogonal dipole antennas.
Background technology
Domestic and international wideband directional dual polarized antenna form mainly uses quadruple ridged horn antenna and orthogonal slotline antennas.This two class
Antenna will form Net long wave radiation, and antenna axial direction length need to reach 3~5 center operating frequency corresponding wavelengths, complete from current feed department
Assign to the transition between radiant section.Therefore antenna section is higher, can not meet the use in the space-constrained environments such as unmanned plane.
Although disclosure satisfy that low section requirement using orthogonal dipole antennas, but since it is omnidirectional antenna, gain compared with
It is low.In the correlative study of electrical dipole antenna, horn-like dipole is positioned over the reflection of quarter-wave height by Dey etc.
Above plate, single directional antenna is realized.The working frequency of this dipole is dependent on height, and gain fluctuation is larger, directional diagram
It is unstable, it can not meet the requirement of broadband operation.Lin etc. further optimizes its impedance matching, realizes 17% impedance
With bandwidth (SWR<1.5).Levine devises electrical dipole antenna battle array on the basis of the studies above, realizes 25% opposite band
It is wide.Giovanni etc. realizes the work frequency of the GHz of 3.5GHz~14 using the electrical dipole antenna that printed-board technology makes
Section.But the directional diagram of antenna is more serious in high frequency treatment higher mode phenomenon.The it is proposeds such as Fang-Yao Kuo based on eelctric dipole
The omni-directional antenna of son, relative bandwidth is more than 100%, but the bandwidth of extended antenna is only focused in this design, and antenna gain is very
It is low.The semicircle electric dipole paster antenna of the propositions such as Nair, covers whole UWB frequency ranges, the directional diagram holding in E faces and H faces
Certain one-way, but can not radiate orthogonally polarized wave.
At present, the limited spaces such as the unmanned plane of broadband, low section, orientation high-gain and dual polarization requirement can be met at the same time
The antenna form used in environment not yet occurs.
The content of the invention
It is an object of the invention to provide a kind of broadband low section to orient orthogonal dipole antennas, can meet width at the same time
The antenna structure used in band, low section, orientation high-gain and the space-constrained environments of dual polarization requirement.
The technical solution for realizing the object of the invention is：A kind of broadband low section orients orthogonal dipole antennas, including
Rosette, the first radiating doublet arm, the second radiating doublet arm, the 3rd radiating doublet arm, the 4th radiating doublet arm, the metal back of the body
Chamber, ring support, the first coaxial cable, the second coaxial cable, the first metal screw, the second metal screw, four first supports
Nylon column and four second Supported Nylon columns；Rosette is arranged in parallel in the surface at metal back of the body chamber center, and the first radiation is shaken
Sub- arm, the second radiating doublet arm, the 3rd radiating doublet arm, the 4th radiating doublet arm are distributed on below rosette, and pass through ring
Shape stent is fixedly connected with rosette, and concentrically axis is arranged for the first radiating doublet arm and the second radiating doublet arm, its bottom
Metal is fixed on by the first Supported Nylon column and carries on the back chamber top surface, the 3rd radiating doublet arm and the 4th radiating doublet arm concentrically axis
Arrangement, its bottom are fixed on metal by the second Supported Nylon column and carry on the back chamber top surface；First coaxial cable through metal the back of the body chamber, first
The outer conductor of coaxial cable is connected with metal back of the body chamber, the first radiating doublet arm respectively, and inner wire is overlapped on the second radiating doublet arm
On；In order to ensure the symmetry of antenna pattern, with the first metal screw of coaxial cable outer conductor outside diameter equivalence by the second spoke
Oscillator arms are penetrated to connect with metal back of the body chamber；Similarly, the second coaxial cable is through metal back of the body chamber, outer conductor respectively with metal back of the body chamber, the
Three radiating doublet arms connect, and inner wire is overlapped on the 4th radiating doublet arm；In order to ensure the symmetry of antenna pattern, second
Second metal screw of coaxial cable outer conductor outside diameter equivalence connects the 4th radiating doublet arm with metal back of the body chamber.
Compared with prior art, the present invention its remarkable advantage is：（1）Using the orthogonally located dipole for adding reflection cavity
Antenna, by rationally designing the connection of feed section and dipole, realizes broadband, orientation high-gain, dual polarization work；（2）It is whole
The a quarter of working frequency corresponding wavelength centered on a antenna height, meets the requirement of low section；（3）Bandwidth of operation reaches
2.5 octaves, in working band, standing wave is less than 2, and on axis antenna gain is more than 5dB, can radiate vertically polarized wave at the same time
And horizontal polarized wave；（4）Connection 90oLeft-hand circular polarization ripple or right-handed circular polarization ripple can also be radiated after electric bridge.
Brief description of the drawings
Fig. 1 is the front view that broadband low section of the present invention orients orthogonal dipole antennas.
Fig. 2 is the side view that broadband low section of the present invention orients orthogonal dipole antennas.
Fig. 3 is the top view that broadband low section of the present invention orients orthogonal dipole antennas.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
With reference to Fig. 1 to Fig. 3, a kind of broadband low section orients orthogonal dipole antennas, including rosette 1, first radiates
Oscillator arms 2A, the second radiating doublet arm 2B, the 3rd radiating doublet arm 3A, the 4th radiating doublet arm 3B, metal back of the body chamber 4, annular branch
8, four frame 11, the first coaxial cable 5, the second coaxial cable 6, the first metal screw 7, the second metal screw first Supported Nylons
Column 9 and four second Supported Nylon columns 10, rosette 1 are arranged in parallel in the surface at 4 center of metal back of the body chamber, and the first radiation is shaken
Sub- arm 2A, the second radiating doublet arm 2B, the 3rd radiating doublet arm 3A, the 4th radiating doublet arm 3B are distributed on the lower section of rosette 1,
And be fixedly connected by ring support 11 with rosette 1, the first radiating doublet arm 2A and the second radiating doublet arm 2B are concentrically
Axis arranges that its bottom is fixed on metal by the first Supported Nylon column 9 and carries on the back 4 top surface of chamber, the 3rd radiating doublet arm 3A and the 4th
Radiating doublet arm 3B concentrically arrange by axis, its bottom is fixed on metal by the second Supported Nylon column 10 and carries on the back 4 top surface of chamber.First
Coaxial cable 5 carries on the back chamber 4, the first radiating doublet arm 2A with metal respectively through metal back of the body chamber 4, the outer conductor of the first coaxial cable 5
Connection, inner wire are overlapped on the second radiating doublet arm 2B；In order to ensure the symmetry of antenna pattern, and outside coaxial cable 5
First metal screw 7 of conductor diameter equivalence connects the second radiating doublet arm 2B and metal back of the body chamber 4.Similarly, the second coaxial electrical
Cable 6 is connected with metal back of the body chamber 4, the 3rd radiating doublet arm 3A respectively through metal back of the body chamber 4, outer conductor, and inner wire is overlapped on the 4th
On radiating doublet arm 3B.In order to ensure the symmetry of antenna pattern, the second gold medal of the second coaxial cable 6 outer conductor outside diameter equivalence
Belong to screw rod 8 to connect the 4th radiating doublet arm 3B and metal back of the body chamber 4.
The central axis and the 3rd radiating doublet arm 3A of wherein the first radiating doublet arm 2A and the second radiating doublet arm 2B and
The central axis of 4th radiating doublet arm 3B is orthogonal.
The position of first radiating doublet arm 2A and the second radiating doublet arm 2B are higher than the 3rd radiating doublet arm 3A and the 4th spoke
Penetrate position 2mm~3mm of oscillator arms 3B.
The metal back of the body chamber 4 includes square floor and four blocks of side plates, and four blocks of side plates are respectively along four of square floor top surface
Side is arranged, and is connected with it.
Claims (4)
1. a kind of broadband low section orients orthogonal dipole antennas, it is characterised in that：Including rosette（1）, first radiation shake
Sub- arm（2A）, the second radiating doublet arm（2B）, the 3rd radiating doublet arm（3A）, the 4th radiating doublet arm（3B）, metal the back of the body chamber
（4）, ring support（11）, the first coaxial cable（5）, the second coaxial cable（6）, the first metal screw（7）, the second metal screw
（8）, four pieces the first Supported Nylon columns（9）With four second Supported Nylon columns（10）；Rosette（1）It is arranged in parallel in the metal back of the body
Chamber（4）The surface at center, the first radiating doublet arm（2A）, the second radiating doublet arm（2B）, the 3rd radiating doublet arm（3A）,
Four radiating doublet arms（3B）It is distributed on rosette（1）Lower section, and pass through ring support（11）With rosette（1）It is fixed to connect
Connect, the first radiating doublet arm（2A）With the second radiating doublet arm（2B）Concentrically axis is arranged, its bottom passes through the first support Buddhist nun
Long Zhu（9）It is fixed on metal back of the body chamber（4）Top surface, the 3rd radiating doublet arm（3A）With the 4th radiating doublet arm（3B）Concentrically axis
Arrangement, its bottom passes through the second Supported Nylon column（10）It is fixed on metal back of the body chamber（4）Top surface；First coaxial cable（5）Through gold
Belong to back of the body chamber（4）, the first coaxial cable（5）Outer conductor respectively with metal carry on the back chamber（4）, the first radiating doublet arm（2A）Connection, it is interior
Conductor is overlapped on the second radiating doublet arm（2B）On；In order to ensure the symmetry of antenna pattern, with coaxial cable（5）Outer conductor
First metal screw of outside diameter equivalence（7）By the second radiating doublet arm（2B）Chamber is carried on the back with metal（4）Connection；Similarly, second is coaxial
Cable（6）Chamber is carried on the back through metal（4）, outer conductor respectively with metal carry on the back chamber（4）, the 3rd radiating doublet arm（3A）Connection, inner wire
It is overlapped on the 4th radiating doublet arm（3B）On；In order to ensure the symmetry of antenna pattern, the second coaxial cable（6）Outside outer conductor
Second metal screw of footpath equivalence（8）By the 4th radiating doublet arm（3B）Chamber is carried on the back with metal（4）Connection.
2. broadband low section according to claim 1 orients orthogonal dipole antennas, it is characterised in that：First radiation
Oscillator arms（2A）With the second radiating doublet arm（2B）Central axis and the 3rd radiating doublet arm（3A）With the 4th radiating doublet arm
（3B）Central axis it is orthogonal.
3. broadband low section according to claim 1 or 2 orients orthogonal dipole antennas, it is characterised in that：Described first
Radiating doublet arm（2A）With the second radiating doublet arm（2B）Position be higher than the 3rd radiating doublet arm（3A）With the 4th radiating doublet
Arm（3B）Position 2mm~3mm.
4. broadband low section according to claim 1 orients orthogonal dipole antennas, it is characterised in that：The metal carries on the back chamber
（4）Including square floor and four blocks of side plates, four blocks of side plates are arranged along the four edges of square floor top surface respectively, and are connected with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193906.XA CN108039554A (en) | 2017-11-24 | 2017-11-24 | Broadband low section orientation orthogonal dipole antennas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193906.XA CN108039554A (en) | 2017-11-24 | 2017-11-24 | Broadband low section orientation orthogonal dipole antennas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108039554A true CN108039554A (en) | 2018-05-15 |
Family
ID=62094134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711193906.XA Pending CN108039554A (en) | 2017-11-24 | 2017-11-24 | Broadband low section orientation orthogonal dipole antennas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108039554A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509964A (en) * | 2018-10-29 | 2019-03-22 | 成都市克莱微波科技有限公司 | A kind of broadband circle polarized array antenna |
| CN114464988A (en) * | 2021-12-30 | 2022-05-10 | 中国电子科技集团公司第二十九研究所 | Design method of special-shaped dielectric loaded dual-polarized cavity-backed antenna |
| CN114865294A (en) * | 2022-05-20 | 2022-08-05 | 中国航天科工集团八五一一研究所 | Orthogonal dual-polarized array antenna with ultra-wide band and low profile |
| CN115458923A (en) * | 2022-10-28 | 2022-12-09 | 中国电子科技集团公司第二十九研究所 | Low-profile high-gain broadband dual-polarized antenna structure |
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| CN1744380A (en) * | 2005-09-29 | 2006-03-08 | 广东南方通信建设股份有限公司 | Antenna for mobile communication base station |
| CN204118242U (en) * | 2014-07-14 | 2015-01-21 | 广州杰赛科技股份有限公司 | Wideband dual-polarization radiating unit and array antenna |
| CN104733844A (en) * | 2015-03-21 | 2015-06-24 | 西安电子科技大学 | Planar-broadband dual-polarization base station antenna |
| CN105244633A (en) * | 2015-10-19 | 2016-01-13 | 深圳信息职业技术学院 | Broadband different-frequency orthogonal dipole antenna |
| CN107181048A (en) * | 2016-03-09 | 2017-09-19 | 南京理工大学 | A kind of wideband dual polarized short back reflection dipole antenna of L-band |
| CN107181068A (en) * | 2017-04-17 | 2017-09-19 | 广东通宇通讯股份有限公司 | High-frequency ultra-wideband dual polarization all-wave radiating element |
-
2017
- 2017-11-24 CN CN201711193906.XA patent/CN108039554A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1744380A (en) * | 2005-09-29 | 2006-03-08 | 广东南方通信建设股份有限公司 | Antenna for mobile communication base station |
| CN204118242U (en) * | 2014-07-14 | 2015-01-21 | 广州杰赛科技股份有限公司 | Wideband dual-polarization radiating unit and array antenna |
| CN104733844A (en) * | 2015-03-21 | 2015-06-24 | 西安电子科技大学 | Planar-broadband dual-polarization base station antenna |
| CN105244633A (en) * | 2015-10-19 | 2016-01-13 | 深圳信息职业技术学院 | Broadband different-frequency orthogonal dipole antenna |
| CN107181048A (en) * | 2016-03-09 | 2017-09-19 | 南京理工大学 | A kind of wideband dual polarized short back reflection dipole antenna of L-band |
| CN107181068A (en) * | 2017-04-17 | 2017-09-19 | 广东通宇通讯股份有限公司 | High-frequency ultra-wideband dual polarization all-wave radiating element |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509964A (en) * | 2018-10-29 | 2019-03-22 | 成都市克莱微波科技有限公司 | A kind of broadband circle polarized array antenna |
| CN114464988A (en) * | 2021-12-30 | 2022-05-10 | 中国电子科技集团公司第二十九研究所 | Design method of special-shaped dielectric loaded dual-polarized cavity-backed antenna |
| CN114464988B (en) * | 2021-12-30 | 2023-05-09 | 中国电子科技集团公司第二十九研究所 | Design method of special-shaped medium loaded dual-polarized back cavity antenna |
| CN114865294A (en) * | 2022-05-20 | 2022-08-05 | 中国航天科工集团八五一一研究所 | Orthogonal dual-polarized array antenna with ultra-wide band and low profile |
| CN115458923A (en) * | 2022-10-28 | 2022-12-09 | 中国电子科技集团公司第二十九研究所 | Low-profile high-gain broadband dual-polarized antenna structure |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180515 |
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| RJ01 | Rejection of invention patent application after publication |