CN106532272B - Dual-polarized broadband antenna - Google Patents
Dual-polarized broadband antenna Download PDFInfo
- Publication number
- CN106532272B CN106532272B CN201611245231.4A CN201611245231A CN106532272B CN 106532272 B CN106532272 B CN 106532272B CN 201611245231 A CN201611245231 A CN 201611245231A CN 106532272 B CN106532272 B CN 106532272B
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- Prior art keywords
- radiation
- reflecting plate
- pair
- strips
- strip
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- 230000005855 radiation Effects 0.000 claims abstract description 84
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 21
- 239000010432 diamond Substances 0.000 claims abstract description 21
- 230000009977 dual effect Effects 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 229910021365 Al-Mg-Si alloy Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
Landscapes
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention relates to a dual-polarized broadband antenna, which comprises a reflecting plate and a diamond low-frequency oscillator; five diamond low-frequency vibrators distributed at equal intervals along the long axis direction of the reflecting plate are arranged on the reflecting surface of the reflecting plate, the diamond low-frequency vibrators comprise a base, a pair of balance supporting arms extend towards four directions on the base respectively, and a pair of first radiation strips are symmetrically arranged at the end part of one balance supporting arm in each direction and the end part of one adjacent balance supporting arm in the adjacent direction; the first radiation strips comprise first radiation portions and second radiation portions, a second radiation strip is arranged between the second radiation portions of each pair of first radiation strips, an inner closed type structure and an outer opening type structure are formed between each pair of first radiation strips, and the second radiation strips are arc-shaped structures. The invention has the advantages that: the invention strengthens the structural strength of the radiating strip and the balance support arm while realizing the radiation performance, improves the reliability of the vibrator, and improves the consistency and stability of the electric performance of the vibrator.
Description
Technical Field
The invention belongs to the technical field of antenna equipment, and particularly relates to a dual-polarized broadband antenna.
Background
As an electromagnetic wave transceiver, signal transmission in mobile communication technology is covered by a base station antenna, and the dual-polarized mobile base station antenna is an indispensable component of each base station, and the performance of the dual-polarized mobile base station antenna directly affects the quality of communication; the radiation unit is used as a basic component of the dual-polarized mobile base station antenna and is a key component for influencing the performance of the dual-polarized mobile base station antenna.
The size of each component of the antenna has important influence on each performance index of the antenna due to the specificity of the antenna; therefore, optimizing the structure and the size of the antenna based on the known antenna structure so as to obtain better performance parameters is the research subject of the current communication industry.
Disclosure of Invention
The invention aims to solve the technical problem of providing a dual-polarized broadband antenna with reasonable structure and excellent performance.
In order to solve the technical problems, the technical scheme of the invention is as follows: a dual polarized broadband antenna is characterized in that: comprises a reflecting plate and a diamond low-frequency vibrator;
the two sides of the reflecting surface of the reflecting plate are bent upwards to form side reflecting walls which are vertically upwards, the width of the reflecting plate is 400mm, and the height of the reflecting wall is 27mm;
five diamond low-frequency vibrators distributed at equal intervals along the long axis direction of the reflecting plate are arranged on the reflecting surface of the reflecting plate, and the distance between adjacent diamond low-frequency vibrators is specifically 280mm;
the diamond low-frequency vibrator comprises a base, and a pair of balance supporting arms respectively extend towards four directions on the base, and is characterized in that: the end part of one balance support arm in each direction and the end part of one adjacent balance support arm in the adjacent direction are symmetrically provided with a pair of first radiation strips; the first radiation strip comprises a first radiation part and a second radiation part, one end of the first radiation part is obliquely fixed with the end part of the balance support arm, the other end of the first radiation part is bent and extended to form the second radiation part, the length of the second radiation part is 27.04 mm, the width of the second radiation part is 3.2 mm, an included angle between every two adjacent first radiation parts is 90 degrees, the balance support arm is taken as a central line, and the distance between every two adjacent second radiation parts is 123mm;
a second radiation strip is arranged between the second radiation parts of each pair of first radiation strips, so that an inner closed structure and an outer opening structure are formed between each pair of first radiation strips, and the second radiation strips are arc-shaped structures; the extending intersection point of the two second radiation parts is used as the circle center, the radius of the circle where the inner arc of the arc-shaped second radiation strip is located is 24.8 mm, the radius of the circle where the outer arc of the arc-shaped second radiation strip is located is 28mm, the thicknesses of the first radiation strip and the second radiation strip are 6mm, and the distance between the top end of the radiation strip and the reflecting plate is 78mm.
Further, the pair of balance supporting arms in each direction are fixedly connected through a U-shaped clamping seat, and the U-shaped clamping seat is made of polytetrafluoroethylene with a dielectric constant of 2.25.
Further, the reflecting plate adopts a 6062 aluminum plate with the thickness of 2 mm.
The invention has the advantages that:
(1) The dual-polarized broadband antenna is composed of five diamond low-frequency oscillator radiating units which are equidistantly distributed along the long axis direction of a reflecting plate, and each radiating unit of the diamond low-frequency oscillator is provided with a second radiating strip and two first radiating strips which are symmetrically arranged on two sides of the second radiating strip, an included angle between adjacent first radiating parts of the first radiating strips is 90 degrees, a balance supporting arm is taken as a central line, the distance between the two oppositely arranged second radiating parts is 123mm, and after an electromagnetic wave is guided into the radiating units through a feeder line, the first radiating strip and the second radiating strip can radiate the electromagnetic wave better to occupy a larger broadband, so that the working bandwidth of the whole broadband dual-polarized low-frequency oscillator is expanded; the radiation performance is realized, meanwhile, the structural strength of the radiation strip and the balance support arm is reinforced, the reliability of the vibrator is improved, and the consistency and stability of the electric performance of the vibrator are improved; the performance of the antenna is improved by combining reasonable size of the reflecting plate and strictly controlling the distance between two adjacent diamond low-frequency vibrators, so that the antenna forms a high-performance dual-polarized broadband antenna, and the antenna has the advantages of wide coverage frequency band and consistent electrical performance.
(2) The dual-polarized broadband antenna provided by the invention is characterized in that the balance supporting arms are fixedly connected through the U-shaped clamping seat, and the U-shaped clamping seat adopts polytetrafluoroethylene with a dielectric constant of 2.25, so that the dual-polarized broadband antenna has the effects of adjusting the return loss of a vibrator unit, expanding the working bandwidth of the vibrator unit and adjusting polarization isolation.
(3) The dual-polarized broadband antenna provided by the invention has the advantages that the 6062 aluminum plate with the thickness of 2mm is adopted as the reflecting plate, the 6062 aluminum plate belongs to Al-Mg-Si alloy, the medium strength is realized, the good plasticity and the excellent corrosion resistance are realized, and the dual-polarized broadband antenna has high corrosion resistance.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic diagram of a dual polarized broadband antenna according to the present invention.
Fig. 2 is a front view of a dual polarized broadband antenna according to the present invention.
Fig. 3 is a top view of a dual polarized broadband antenna according to the present invention.
Fig. 4 is a schematic diagram of a diamond low frequency oscillator structure in the present invention.
Fig. 5 is a top view of a diamond low frequency oscillator according to the present invention.
Fig. 6 (1) to 6 (36) are unit beam patterns of the low frequency oscillator of the dual polarized broadband antenna according to the present invention
Detailed Description
The following examples will provide those skilled in the art with a more complete understanding of the present invention and are not intended to limit the invention to the embodiments described.
Examples
The dual-polarized broadband antenna radiating unit of the embodiment, as shown in figures 1-3, comprises a reflecting plate 1 and a diamond low-frequency oscillator 2;
the two sides of the reflecting surface of the reflecting plate 1 are upwards bent to form side reflecting walls 11 which are vertically upwards, the width of the reflecting plate 1 is 400mm, and the height of the reflecting walls 11 is 27mm; five diamond low-frequency vibrators 2 which are equidistantly distributed along the long axis direction of the reflecting plate 1 are arranged on the reflecting surface of the reflecting plate 1, and the distance between every two adjacent diamond low-frequency vibrators 2 is 280mm.
In order to improve the corrosion resistance of the dual-polarized broadband antenna, the reflector plate 1 adopts a 6062 aluminum plate with the thickness of 2mm, and the 6062 aluminum plate belongs to Al-Mg-Si alloy, has medium strength, good plasticity and excellent corrosion resistance.
The diamond low-frequency vibrator 2 has the structure that: as shown in fig. 4 and 5, the radiation device comprises a base 21, a pair of balance supporting arms 22 extend towards four directions on the base 21, and a pair of first radiation strips 23 are symmetrically arranged at the end part of one balance supporting arm 221 in each direction and the end part of one adjacent balance supporting arm 222 in the adjacent direction; the first radiation strip 23 includes a first radiation portion 231 and a second radiation portion 232, one end of the first radiation portion 231 is obliquely fixed with the end of the balance support arm, the other end of the first radiation portion 231 is bent and extended to form the second radiation portion 232, the length of the second radiation portion 232 is 27.04 mm, the width is 3.2 mm, an included angle between two adjacent first radiation portions 231 is 90 degrees, the balance support arm 22 is taken as a central line, and a distance between two oppositely arranged second radiation portions 232 is 123mm.
A second radiation strip 24 is arranged between the second radiation parts 232 of each pair of the first radiation strips 23, so that an inner closed structure and an outer opening structure are formed between each pair of the first radiation strips 23, and the second radiation strips 24 are arc-shaped structures; the radius of the circle where the inner arcs of the arc-shaped second radiation strips are located is 24.8 mm, the radius of the circle where the outer arcs of the arc-shaped second radiation strips are located is 28mm, the thicknesses of the first radiation strips 3 and the second radiation strips 4 are 6mm, and the distance between the top ends of the radiation strips and the reflecting plate 1 is 78mm.
In order to adjust the return loss of the vibrator unit, expand the working bandwidth thereof, adjust the polarization isolation, each pair of balance support arms 22 is fixedly connected through a U-shaped clamping seat 25, and the U-shaped clamping seat 25 is made of polytetrafluoroethylene with a dielectric constant of 2.25.
The specific test of the diamond low-frequency vibrator in the dual-polarized broadband antenna is as follows:
unit beam radiation performance
Unit beam downtilt: 5C
Test data parameter statistics table:
conclusion: according to the dual-polarized broadband antenna, all main electrical parameters of the low-frequency oscillator meet or are higher than national electrical index requirements, and the electrical performance consistency and stability of the dual-polarized broadband antenna are improved.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A dual polarized broadband antenna is characterized in that: comprises a reflecting plate and a diamond low-frequency vibrator;
the two sides of the reflecting surface of the reflecting plate are bent upwards to form side reflecting walls which are vertically upwards, the width of the reflecting plate is 400mm, and the height of the reflecting wall is 27mm;
five diamond low-frequency vibrators distributed at equal intervals along the long axis direction of the reflecting plate are arranged on the reflecting surface of the reflecting plate, and the distance between adjacent diamond low-frequency vibrators is specifically 280mm;
the diamond low-frequency vibrator comprises a base, and a pair of balance supporting arms respectively extend towards four directions parallel to the reflecting plate and perpendicular to each other on the base, and is characterized in that: the end part of one balance support arm in each direction and the end part of one adjacent balance support arm in the adjacent direction are symmetrically provided with a pair of first radiation strips; the first radiation strip comprises a first radiation part and a second radiation part, one end of the first radiation part and the end part of the balance support arm are fixed in an inclined mode along the direction parallel to the reflecting plate, the other end of the first radiation part is bent and extended along the direction parallel to the reflecting plate to form the second radiation part, the two opposite second radiation parts extend towards the gathering direction and are not intersected, a diamond-shaped structure with an opening is formed by the first radiation part and the balance support arm, the length of the second radiation part is 27.04 mm, the width of the second radiation part is 3.2 mm, an included angle between two adjacent first radiation parts is 90 degrees, the balance support arm is taken as a central line, and the distance between the two oppositely arranged second radiation parts is 123mm;
a second radiation strip is arranged between the second radiation parts of each pair of first radiation strips, the second radiation strips are connected with the middle parts of the pair of second radiation parts, so that an inner closed structure and an outer opening structure are formed between each pair of first radiation strips, and the second radiation strips are arc-shaped structures; the extending intersection point of the two second radiation parts is used as the circle center, the radius of the circle where the inner arc of the arc-shaped second radiation strip is located is 24.8 mm, the radius of the circle where the outer arc of the arc-shaped second radiation strip is located is 28mm, the thicknesses of the first radiation strip and the second radiation strip are 6mm, and the distance between the top ends of the first radiation strip and the second radiation strip and the reflecting plate is 78mm.
2. The dual polarized broadband antenna of claim 1, wherein: the pair of balance supporting arms in each direction are fixedly connected through a U-shaped clamping seat, and the U-shaped clamping seat is made of polytetrafluoroethylene with a dielectric constant of 2.25.
3. The dual polarized broadband antenna of claim 1, wherein: the reflector plate adopts 6062 aluminum plate with the thickness of 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245231.4A CN106532272B (en) | 2016-12-29 | 2016-12-29 | Dual-polarized broadband antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245231.4A CN106532272B (en) | 2016-12-29 | 2016-12-29 | Dual-polarized broadband antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106532272A CN106532272A (en) | 2017-03-22 |
| CN106532272B true CN106532272B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611245231.4A Active CN106532272B (en) | 2016-12-29 | 2016-12-29 | Dual-polarized broadband antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN106532272B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961010A (en) * | 2017-04-27 | 2017-07-18 | 深圳国人通信股份有限公司 | A kind of three frequency Bipolarization antenna for base station |
| CN109193151B (en) * | 2018-10-17 | 2024-01-26 | 深圳市安拓浦科技有限公司 | Omnibearing vibrator disc |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201117803Y (en) * | 2007-11-16 | 2008-09-17 | 摩比天线技术（深圳）有限公司 | Wide band dual polarization aerial oscillator |
| CN101673881A (en) * | 2009-10-16 | 2010-03-17 | 京信通信***（中国）有限公司 | Broadband dual-polarized array antenna and plane dipole thereof |
| CN201584489U (en) * | 2009-12-21 | 2010-09-15 | 摩比天线技术（深圳）有限公司 | Double-frequency dual-polarization antenna oscillator |
| CN102074781A (en) * | 2011-01-07 | 2011-05-25 | 江苏捷士通科技股份有限公司 | TD-LTE dual-polarization radiation unit |
| CN102544764A (en) * | 2012-03-26 | 2012-07-04 | 京信通信***（中国）有限公司 | Broadband dual-polarization antenna and radiating unit thereof |
| CN103311651A (en) * | 2013-05-17 | 2013-09-18 | 广东通宇通讯股份有限公司 | Ultra wideband multi-band dual-polarized antenna |
| CN204144419U (en) * | 2014-07-02 | 2015-02-04 | 李梓萌 | Miniaturized Bipolarization antenna for base station |
| CN206834337U (en) * | 2016-12-29 | 2018-01-02 | 江苏亚信电子科技有限公司 | A kind of dual-polarization broadband antenna |
-
2016
- 2016-12-29 CN CN201611245231.4A patent/CN106532272B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201117803Y (en) * | 2007-11-16 | 2008-09-17 | 摩比天线技术（深圳）有限公司 | Wide band dual polarization aerial oscillator |
| CN101673881A (en) * | 2009-10-16 | 2010-03-17 | 京信通信***（中国）有限公司 | Broadband dual-polarized array antenna and plane dipole thereof |
| CN201584489U (en) * | 2009-12-21 | 2010-09-15 | 摩比天线技术（深圳）有限公司 | Double-frequency dual-polarization antenna oscillator |
| CN102074781A (en) * | 2011-01-07 | 2011-05-25 | 江苏捷士通科技股份有限公司 | TD-LTE dual-polarization radiation unit |
| CN102544764A (en) * | 2012-03-26 | 2012-07-04 | 京信通信***（中国）有限公司 | Broadband dual-polarization antenna and radiating unit thereof |
| CN103311651A (en) * | 2013-05-17 | 2013-09-18 | 广东通宇通讯股份有限公司 | Ultra wideband multi-band dual-polarized antenna |
| CN204144419U (en) * | 2014-07-02 | 2015-02-04 | 李梓萌 | Miniaturized Bipolarization antenna for base station |
| CN206834337U (en) * | 2016-12-29 | 2018-01-02 | 江苏亚信电子科技有限公司 | A kind of dual-polarization broadband antenna |
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| CN106532272A (en) | 2017-03-22 |
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