CN214477887U

CN214477887U - Broadband dual-polarized square antenna

Info

Publication number: CN214477887U
Application number: CN202022767707.9U
Authority: CN
Inventors: 环剑斌
Original assignee: Jiangsu Sansheng Information Technology Co Ltd
Current assignee: Jiangsu Sansheng Information Technology Co Ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-10-22
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a broadband dual polarization square antenna, including reflecting plate, connecting seat, dipole radiating element be two pairs and be polarization quadrature setting, dipole radiating element include that balun, symmetry fix two oscillator arms on balun, oscillator arm one end fix on balun, the other end is inwards bent and is bent to one side down again, the part of bending is the loading section, adjacent loading section interconnect, balun include the supporter of two sets of symmetries, the one end of supporter is fixed on the connecting seat, the other end sets up the feed welded seat. The utility model discloses a broadband dual polarization square antenna of frequency band width, efficient, antenna stable in structure.

Description

Broadband dual-polarized square antenna

Technical Field

The utility model belongs to the technical field of mobile communication base station antenna technique and specifically relates to a broadband dual polarization square 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.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the broadband dual-polarized square antenna overcomes the defects in the prior art, and is wide in frequency band, high in efficiency and stable in antenna structure.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a broadband dual polarization square antenna, includes reflecting plate, connecting seat, dipole radiating element be two pairs and be polarization quadrature setting, dipole radiating element include that balun, symmetry fix two oscillator arms on balun, oscillator arm one end fix on balun, the other end is inwards bent and is bent to the skew downwards again, the part of bending is the loading section, adjacent loading section interconnect, balun include the supporter of two sets of symmetries, the one end of supporter is fixed on the connecting seat, the other end sets up the feed welded seat.

Furthermore, the loading section is designed to be a square hollow-out type or an arc bending type.

Furthermore, the heights of the two pairs of symmetrical oscillator radiating units are positioned on the same plane and are in an octagonal shape.

Furthermore, the section of the oscillator arm is quadrilateral, circular or other polygons.

Furthermore, the support body is in a T-shaped cross section.

Furthermore, the oscillator arm is connected with the feed welding seat through welding.

Furthermore, the equal heights of the baluns are uniformly distributed on the connecting seat.

Furthermore, the vibrator arm, the balun and the connecting seat are all formed by integral die-casting.

The utility model discloses a square antenna of broadband dual polarization, its beneficial effect is: the working frequency band can reach 690-.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a top view of the structure of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the vibrator arm and the feeding pad;

fig. 4 is a schematic structural view of embodiment 2 of the present invention;

FIG. 5 is a plot of +45 polarization voltage standing wave ratio;

FIG. 6 is a plot of-45 polarization voltage standing wave ratio;

in the figure, 1, a reflecting plate, 2, a supporting body, 3, a feed welding seat, 4, a vibrator arm, 5, a balun and 6, a connecting seat are arranged.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Example 1

The broadband dual-polarized square antenna comprises a reflecting plate 1, a connecting seat 6 and a dipole radiation unit, wherein the dipole radiation unit is two pairs and is arranged in a polarization orthogonal mode, the dipole radiation unit comprises a balun 5 and two dipole arms 4 symmetrically fixed on the balun 5, one end of each dipole arm 4 is fixed on the balun 5, the other end of each dipole arm is bent inwards and then bent downwards in an inclined mode, the bending parts are loading sections, the adjacent loading sections are connected with each other, the balun 5 comprises two groups of symmetrical supporting bodies 2, one end of each supporting body 2 is fixed on the connecting seat 6, and the other end of each supporting body is provided with a feed welding seat 3.

The loading section is in a square hollow-out type.

The heights of the two pairs of symmetrical oscillator radiating units are positioned on the same plane and are in an octagonal shape.

The section of the oscillator arm 4 is quadrilateral, circular or other polygons.

The support body 2 has a T-shaped cross section.

The oscillator arm 4 is connected with the feed welding seat 3 through welding.

The baluns 5 are equally distributed on the connecting seat.

The oscillator arm 4, the balun 5 and the connecting seat 6 are all formed by integral die-casting.

Example 2

The difference between the wideband dual-polarized square antenna shown in fig. 4 and the embodiment 1 is that the loading segment is of an arc bending type.

FIG. 5 and FIG. 6 are graphs of + -45 ° polarization voltage standing wave ratio, the working frequency range can reach 690 + 960MHz, and the voltage standing wave ratio in the working frequency range is less than or equal to 1.3. The utility model discloses a broadband dual polarization square antenna, the frequency band is wide, and is efficient, and good transmission performance and radiation performance have been guaranteed to stable antenna structure.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made 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

1. A broadband dual-polarized square antenna is characterized in that: including reflecting plate (1), connecting seat (6), dipole radiating element be two pairs and be polarization quadrature setting, dipole radiating element include balun (5), two oscillator arms (4) that the symmetry was fixed on balun (5), oscillator arm (4) one end fix on balun (5), the other end is inwards bent and is bent downwards to one side again, the portion of bending is the loading section, adjacent loading section interconnect, balun (5) include supporter (2) of two sets of symmetries, the one end of supporter (2) is fixed on connecting seat (6), the other end sets up feed welding seat (3), the loading section establish to square fretwork formula or circular arc bending formula.

2. The broadband dual-polarized square antenna according to claim 1, wherein: the heights of the two pairs of symmetrical oscillator radiating units are positioned on the same plane and are in an octagonal shape.

3. The broadband dual-polarized square antenna according to claim 1, wherein: the section of the vibrator arm (4) is quadrilateral, circular or other polygons.

4. The broadband dual-polarized square antenna according to claim 1, wherein: the support body (2) is in a T-shaped section.

5. The broadband dual-polarized square antenna according to claim 1, wherein: the oscillator arm (4) is connected with the feed welding seat (3) through welding.

6. The broadband dual-polarized square antenna according to claim 1, wherein: the baluns (5) are equally distributed on the connecting seat.

7. The broadband dual-polarized square antenna according to claim 1, wherein: the vibrator arm (4), the balun (5) and the connecting seat (6) are all formed by integral die-casting.