CN112490641A - Ultra-wideband dual-polarized antenna - Google Patents
Ultra-wideband dual-polarized antenna Download PDFInfo
- Publication number
- CN112490641A CN112490641A CN202011338370.8A CN202011338370A CN112490641A CN 112490641 A CN112490641 A CN 112490641A CN 202011338370 A CN202011338370 A CN 202011338370A CN 112490641 A CN112490641 A CN 112490641A
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- CN
- China
- Prior art keywords
- ultra
- balun
- polarized antenna
- connecting seat
- wideband dual
- 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
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/25—Ultra-wideband [UWB] systems, e.g. multiple resonance systems; Pulse systems
-
- 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
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- 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
- H01Q15/14—Reflecting surfaces; Equivalent structures
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses an ultra-wideband dual-polarized antenna, which comprises a reflecting plate, a connecting seat fixed on the reflecting plate and two symmetrical oscillator radiation units connected with the connecting seat, wherein the 4 symmetrical oscillator radiation units are uniformly distributed on the circumference of the connecting seat, each symmetrical oscillator radiation unit comprises a balun and two oscillator arms, the balun is fixedly connected with the connecting seat, the two oscillator arms are symmetrical relative to the balun, one end of each oscillator arm is fixed with the balun, the other end of each oscillator arm is bent inwards and then downwards, the part bent downwards is a loading section, two supporting bodies are arranged on the balun in parallel, one end of each supporting body is fixed with the connecting seat, and the other end of each supporting body is connected with the oscillator arms. The ultra-wideband dual-polarized antenna has the advantages of wide frequency band, high efficiency and good transmission performance and radiation performance.
Description
Technical Field
The invention relates to the technical field of mobile communication base station antennas, in particular to an ultra-wideband dual-polarized antenna.
Background
The rapid development of the communication industry, in order to meet the continuously improved electrical performance of the antenna, the requirements on the horizontal plane beam width and the front-to-back ratio of the antenna are higher and higher, and a vertical plane directional diagram also generally needs to adopt a lobe forming technology to obtain reliable communication quality. Meanwhile, in order to solve the problems of multipath fading and the like, the base station antenna adopts a polarization diversity technology, so that the quality of mobile communication is greatly improved.
The base station antenna is a key part of outdoor coverage of a mobile communication system, the polarization diversity mode of the current base station antenna is mainly bipolar, and the polarization of the dual-polarized antenna is mainly +/-45 degrees. The quality of the performance of the radiating element directly affects the coverage and polarization diversity gain of the mobile communication system, thereby affecting the communication quality of the entire network. Therefore, a high-performance antenna can improve the communication quality and the performance of the whole communication system.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, and the ultra-wideband dual-polarized antenna with wide frequency band and good transmission and radiation performance is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an ultra wide band dual polarized antenna, includes the reflecting plate, is fixed in the connecting seat on the reflecting plate and the dipole radiating element that is connected with the connecting seat, dipole radiating element establish 4 of connecting seat circumference equipartition, every dipole radiating element includes balun, oscillator arm, balun and connecting seat fixed connection, the oscillator arm establish to two about the balun symmetry, the one end and the balun of oscillator arm are fixed, the other end is inwards bent and is bent downwards again, the part of bending downwards is the loading section, balun on parallel arrangement two supporters, the one end and the connecting seat of supporter are fixed mutually, the other end is connected with the oscillator arm.
Furthermore, the included angle between the oscillator arm and the balun is 45 degrees.
Furthermore, the section of the support body is T-shaped.
Furthermore, a cable welding groove is formed in the back of the supporting body, and a cable is welded in the cable welding groove.
Further, the heights of the 4 dipole radiating elements are in the same plane.
Furthermore, the section of the oscillator arm is a quadrangle or other polygons.
Furthermore, the cross section of the loading section is circular, quadrilateral or other polygons.
Furthermore, the symmetrical oscillator radiating unit and the connecting seat are integrally formed by die casting.
Furthermore, the dipole radiation unit and the support body are made of conductor materials.
The invention discloses an ultra-wideband dual-polarized antenna, which has the beneficial effects that: the frequency band is wide, the efficiency is high, particularly, the formed antenna has stable structure and good transmission performance and radiation performance, and the voltage standing wave ratio is less than or equal to 1.35 in the frequency band 698 plus 960 MHz.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the front structure of the symmetrical array radiating element of the present invention;
FIG. 3 is a schematic diagram of the back structure of the symmetrical array radiating element of the present invention;
FIG. 4 is a schematic view of a connection structure of a cable and a balun;
FIG. 5 is a schematic view of the back of FIG. 4;
FIG. 6 is a plot of +45 polarization voltage standing wave ratio;
FIG. 7 is a plot of-45 polarization voltage standing wave ratio;
in the figure, 1, a vibrator arm, 2, a connecting seat, 3, a reflecting plate, 4, a supporting body, 5, a balun and 6 are arranged in a cable.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The ultra-wideband dual-polarized antenna comprises a reflecting plate 3, a connecting seat 2 fixed on the reflecting plate 3 and dipole radiation units connected with the connecting seat 2, wherein the dipole radiation units are 4 symmetrically distributed on the circumference of the connecting seat 2, each dipole radiation unit comprises a balun 5 and a dipole arm 1, the balun 5 is fixedly connected with the connecting seat 2, the dipole arms 1 are two symmetrical about the balun 5, one end of the dipole arm 1 is fixed with the balun 5, the other end of the dipole arm 1 is bent inwards and then bent downwards, the part bent downwards is a loading section, the balun 5 is provided with two supporting bodies 4 in parallel, one end of each supporting body 4 is fixed with the connecting seat 2, and the other end of each supporting body is connected with the dipole arm 1.
The included angle between the oscillator arm 1 and the balun 5 is 45 degrees.
The section of the support body 4 is T-shaped.
The back of the supporting body 4 is provided with a cable welding groove, and a cable 6 is welded in the cable welding groove.
The heights of the 4 dipole radiating elements are in the same plane.
The section of the oscillator arm 1 is quadrilateral or other polygons.
The section of the loading section is circular, quadrilateral or other polygons.
The symmetrical oscillator radiating unit and the connecting seat 2 are integrally formed by die casting.
The dipole radiation unit and the support body 4 are made of conductor materials.
The ultra-wideband dual-polarized antenna has the characteristics of wide working frequency band and high efficiency. The antenna structure formed by the antenna is stable, so that the antenna has good circuit performance and radiation performance. FIGS. 6 and 7 are graphs of voltage standing wave ratio of + 45/45 polarization, and the voltage standing wave ratio is less than or equal to 1.35 in the frequency band 698 and 960 MHz.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. An ultra-wideband dual-polarized antenna is characterized in that: including reflecting plate (3), be fixed in connecting seat (2) on reflecting plate (3) and the dipole radiating element who is connected with connecting seat (2), the dipole radiating element establish 4 of connecting seat (2) circumference equipartition, every dipole radiating element includes balun (5), oscillator arm (1), balun (5) and connecting seat (2) fixed connection, oscillator arm (1) establish two about balun (5) symmetry, the one end of oscillator arm (1) is fixed with balun (5), the other end is inwards bent again and is bent downwards, the part of bending downwards is the loading section, balun (5) go up parallel arrangement two supporter (4), the one end of supporter (4) is fixed mutually with connecting seat (2), the other end is connected with oscillator arm (1).
2. An ultra-wideband dual polarized antenna as claimed in claim 1, wherein: the included angle between the vibrator arm (1) and the balun (5) is 45 degrees.
3. An ultra-wideband dual polarized antenna as claimed in claim 1, wherein: the section of the support body (4) is T-shaped.
4. An ultra-wideband dual polarized antenna as claimed in claim 3, wherein: the back of the supporting body (4) is provided with a cable welding groove, and a cable (6) is welded in the cable welding groove.
5. An ultra-wideband dual polarized antenna as claimed in claim 1, wherein: the heights of the 4 dipole radiating elements are in the same plane.
6. An ultra-wideband dual polarized antenna as claimed in claim 1, wherein: the section of the vibrator arm (1) is quadrilateral or other polygons.
7. An ultra-wideband dual polarized antenna as claimed in claim 1, wherein: the section of the loading section is circular, quadrilateral or other polygons.
8. An ultra-wideband dual polarized antenna as claimed in claim 1, wherein: the symmetrical oscillator radiating unit and the connecting seat (2) are integrally formed by die casting.
9. An ultra-wideband dual polarized antenna as claimed in claim 1, wherein: the dipole radiation unit and the support body (4) are made of conductor materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011338370.8A CN112490641A (en) | 2020-11-25 | 2020-11-25 | Ultra-wideband dual-polarized antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011338370.8A CN112490641A (en) | 2020-11-25 | 2020-11-25 | Ultra-wideband dual-polarized antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112490641A true CN112490641A (en) | 2021-03-12 |
Family
ID=74934730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011338370.8A Pending CN112490641A (en) | 2020-11-25 | 2020-11-25 | Ultra-wideband dual-polarized antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112490641A (en) |
-
2020
- 2020-11-25 CN CN202011338370.8A patent/CN112490641A/en active Pending
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