CN106532241B - Dual-polarized broadband antenna low-frequency oscillator - Google Patents
Dual-polarized broadband antenna low-frequency oscillator Download PDFInfo
- Publication number
- CN106532241B CN106532241B CN201611247845.6A CN201611247845A CN106532241B CN 106532241 B CN106532241 B CN 106532241B CN 201611247845 A CN201611247845 A CN 201611247845A CN 106532241 B CN106532241 B CN 106532241B
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- radiation
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- support arm
- strips
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- 230000005855 radiation Effects 0.000 claims abstract description 91
- 230000009977 dual effect Effects 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
- 230000010287 polarization Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 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
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention relates to a low-frequency oscillator unit of a dual-polarized broadband antenna, which comprises a base, wherein a pair of balance support arms respectively extend towards four directions on the base, and a pair of first radiation strips are symmetrically arranged at 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; the first radiation strips comprise first radiation parts and second radiation parts, and a second radiation strip is arranged between the second radiation parts of each pair of the first radiation strips, so that an inner closed structure and an outer opening structure are formed between each pair of the first radiation strips. 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 low-frequency oscillator of 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.
Wherein the low frequency vibrator is one of the main components of the radiating element; the existing similar low-frequency vibrators in the industry mostly adopt bowl-shaped units formed by combining four dipoles, the shapes of extension arms and the like of the bowl-shaped units are deformed in various manners, but a disconnection mode is adopted between the tail ends of each dipole, and the bowl-shaped units are large in size, long in extension of a radiation arm, easy to cause poor forming precision and break, require various complex treatments such as auxiliary fixing and the like, and are poor in electrical performance stability and consistency.
Disclosure of Invention
The invention aims to solve the technical problem of providing a low-frequency oscillator of 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 low-frequency oscillator of a dual-polarized broadband antenna comprises a base, and a pair of balance supporting arms respectively extend towards four directions on the base, and the innovation point of the low-frequency oscillator is 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 27.04mm, the width of the second radiation part is 3.2mm, 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 24.8mm, 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 bottom end of the base is 74mm.
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.
The invention has the advantages that:
(1) Compared with the prior art, each radiation unit of the dual-polarized broadband antenna low-frequency oscillator is provided with a second radiation strip and two first radiation strips symmetrically arranged on two sides of the second radiation strip, the included angle between the adjacent first radiation parts of the first radiation strips is 90 degrees, the balance supporting arm is taken as a central line, the distance between the two oppositely arranged second radiation parts is 123mm, after an electromagnetic wave is guided into the radiation units through a feeder line, the first radiation strip and the second radiation 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, and the dual-polarized broadband antenna low-frequency oscillator is particularly suitable for a frequency range of 690-960 MHZ; the radiating performance is realized, meanwhile, the structural strength of the radiating strip and the balance supporting arm is reinforced, the reliability of the vibrator is improved, and the consistency and stability of the electric performance of the vibrator are improved.
(2) The invention relates to a low-frequency vibrator of a dual-polarized broadband antenna, wherein balance supporting arms are fixedly connected through a U-shaped clamping seat, and the U-shaped clamping seat adopts polytetrafluoroethylene with a dielectric constant of 2.25, which has the functions of adjusting the return loss of a vibrator unit, expanding the working bandwidth of the vibrator unit and adjusting polarization isolation.
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 low frequency oscillator structure of a dual polarized broadband antenna according to the present invention.
Fig. 2 is a top view of the low frequency element of the dual polarized broadband antenna of fig. 1.
Fig. 3 is a side view of the low frequency element of the dual polarized broadband antenna of fig. 2.
Fig. 4 (1) to fig. 4 (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 low-frequency vibrator of the dual-polarized broadband antenna of the embodiment, as shown in fig. 1-3, comprises a base 1, wherein a pair of balance supporting arms 2 extend towards four directions on the base 1 respectively, and a pair of first radiation strips 3 are symmetrically arranged at the end part of one balance supporting arm 21 in each direction and the end part of one adjacent balance supporting arm 22 in the adjacent direction; the first radiation strip 3 comprises a first radiation part 31 and a second radiation part 32, one end of the first radiation part 31 is obliquely fixed with the end part of the balance support arm, the other end of the first radiation part 31 is bent and extended to form the second radiation part 32, the length of the second radiation part 32 is 27.04mm, the width is 3.2mm, an included angle between two adjacent first radiation parts 31 is 90 degrees, the balance support arm 2 is taken as a central line, and the distance between two oppositely arranged second radiation parts 32 is 123mm.
A second radiation strip 4 is arranged between the second radiation parts 32 of each pair of the first radiation strips 3, so that an inner closed structure and an outer opening structure are formed between each pair of the first radiation strips 3, and the second radiation strips 4 are arc-shaped structures; the radius of the circle where the inner arcs of the arc-shaped second radiation strips are located is 24.8mm, the radius of the circle where the outer arcs of the arc-shaped second radiation strips are located is 28mm, the thickness of the first radiation strips 3 and the second radiation strips 4 is 6mm, and the distance between the top ends of the radiation strips and the bottom end of the base 1 is 74mm.
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 2 is fixedly connected through a U-shaped clamping seat 5, and the U-shaped clamping seat 5 is made of polytetrafluoroethylene with a dielectric constant of 2.25.
The low-frequency vibrator of the dual-polarized broadband antenna is specifically tested in the following table:
unit beam radiation performance
Unit beam downtilt: 0C
Test data parameter statistics table:
conclusion: the low-frequency oscillator of the dual-polarized broadband antenna has the advantages that all main electrical parameters meet or are higher than national electrical index requirements, and the electrical performance consistency and stability 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 (2)
1. The utility model provides a low frequency oscillator of dual polarization wide band antenna, includes a base, and towards being on a parallel with the reflecting plate and two pair of four directions of perpendicular respectively extend have a pair of balanced support arm, its 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 27.04mm, the width of the second radiation part is 3.2mm, 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 24.8mm, 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 bottom end of the base is 74mm.
2. The dual polarized broadband antenna low frequency element 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611247845.6A CN106532241B (en) | 2016-12-29 | 2016-12-29 | Dual-polarized broadband antenna low-frequency oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611247845.6A CN106532241B (en) | 2016-12-29 | 2016-12-29 | Dual-polarized broadband antenna low-frequency oscillator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106532241A CN106532241A (en) | 2017-03-22 |
| CN106532241B true CN106532241B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611247845.6A Active CN106532241B (en) | 2016-12-29 | 2016-12-29 | Dual-polarized broadband antenna low-frequency oscillator |
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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 |
| CN109037953B (en) * | 2018-07-03 | 2021-03-19 | 华南理工大学 | Dual-polarization broadband radiation unit and antenna |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| CN103311652A (en) * | 2013-05-17 | 2013-09-18 | 广东通宇通讯股份有限公司 | Ultra-wideband and wide beam bipolar antenna unit |
| CN203589201U (en) * | 2013-11-29 | 2014-05-07 | 广州杰赛科技股份有限公司 | Broadband dual-polarized radiation unit and array antenna |
| CN204029978U (en) * | 2014-07-25 | 2014-12-17 | 南京华脉科技股份有限公司 | A kind of low-frequency ultra-wideband Bipolarization antenna for base station radiating element |
| CN206441861U (en) * | 2016-12-29 | 2017-08-25 | 江苏亚信电子科技有限公司 | A kind of dual-polarization broadband antenna low-frequency vibrator |
-
2016
- 2016-12-29 CN CN201611247845.6A patent/CN106532241B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| CN103311652A (en) * | 2013-05-17 | 2013-09-18 | 广东通宇通讯股份有限公司 | Ultra-wideband and wide beam bipolar antenna unit |
| CN203589201U (en) * | 2013-11-29 | 2014-05-07 | 广州杰赛科技股份有限公司 | Broadband dual-polarized radiation unit and array antenna |
| CN204029978U (en) * | 2014-07-25 | 2014-12-17 | 南京华脉科技股份有限公司 | A kind of low-frequency ultra-wideband Bipolarization antenna for base station radiating element |
| CN206441861U (en) * | 2016-12-29 | 2017-08-25 | 江苏亚信电子科技有限公司 | A kind of dual-polarization broadband antenna low-frequency vibrator |
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| Publication number | Publication date |
|---|---|
| CN106532241A (en) | 2017-03-22 |
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