CN214254729U - Broadband dual-polarization omnidirectional antenna - Google Patents
Broadband dual-polarization omnidirectional antenna Download PDFInfo
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- CN214254729U CN214254729U CN202120558324.2U CN202120558324U CN214254729U CN 214254729 U CN214254729 U CN 214254729U CN 202120558324 U CN202120558324 U CN 202120558324U CN 214254729 U CN214254729 U CN 214254729U
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Abstract
The utility model discloses a broadband dual polarization omnidirectional antenna, it includes horizontal polarization omnidirectional antenna and vertical polarization omnidirectional antenna. The horizontal polarization omnidirectional antenna consists of a plurality of horizontal radiation units, wherein the upper surface of a dielectric substrate of each horizontal radiation unit is a horizontal radiation piece, the lower surface of the dielectric substrate of each horizontal radiation unit is a balun feeder line, and a first power division substrate is arranged between the horizontal radiation unit substrates; the vertical polarization omnidirectional antenna is composed of a plurality of vertical radiating elements, the vertical radiating elements are positioned on one side surface of the second power division substrate, and an excitation feeder line is arranged on the other side surface of the second power division substrate. The omnidirectional antenna has the installation modes of ceiling installation, holding pole installation, wall-hanging installation and the like, and can meet various application scenes. The omnidirectional antenna can simultaneously realize a horizontal and vertical dual-polarized working mode so as to reduce the installation quantity of the antennas; the omnidirectional antenna adopts a parallel feed form, and achieves the purposes of reducing side lobes and adjusting beam pointing by adjusting the amplitude phase of a feed network; the omnidirectional antenna has excellent indexes and consistency in a wide frequency band range.
Description
Technical Field
The utility model relates to an antenna and communication technology field, concretely relates to horizontal/perpendicular dual polarization omnidirectional antenna and the mounting means of this kind of antenna that use in communication technology.
Background
The 5G business is gradually approaching, the scale deployment of the Internet of things leads us to meet the new era of interconnection of everything, opportunities and challenges coexist in the new era, and in a mobile communication system, base station antennas are everywhere, such as near to indoor ceilings, walls, even floors, bus stations, vending machines, far to mountain top base stations and signal towers at seas.
The conventional omni-directional antenna is basically a single polarized antenna, which is affected by the radiation characteristics of the omni-directional antenna itself. In order to realize dual polarization simultaneously, two antennas are required to be arranged at different places, so that the structure is complex, the installation and maintenance are inconvenient, the investment and construction cost is high, along with the rapid application of a 5G antenna base station, the existing single-polarized antenna is necessary to be further improved, and an omnidirectional antenna which can realize horizontal and vertical dual polarization and is convenient to install is designed.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough among the above-mentioned prior art, the utility model aims to design one kind and can realize level, perpendicular double polarization, install fixed convenient broadband double polarization omnidirectional antenna.
A broadband dual-polarization omnidirectional antenna is characterized by comprising a horizontal polarization omnidirectional antenna and a vertical polarization omnidirectional antenna, wherein the horizontal polarization omnidirectional antenna is composed of a plurality of horizontal radiation units, the upper surfaces of dielectric substrates of the horizontal radiation units are horizontal radiation pieces, the lower surfaces of the dielectric substrates of the horizontal radiation units are balun feeder lines, and a first power division substrate is arranged between the horizontal radiation units; the vertical polarization omnidirectional antenna is composed of a plurality of vertical radiating elements, the vertical radiating elements are located on one side face of a second power division substrate, and an excitation feeder line is arranged on the other side face of the second power division substrate. Preferably, the horizontal radiation feeder and the vertical antenna power dividing feeder both adopt a parallel feeding form.
Preferably, the horizontal radiating element and the vertical radiating element both adopt a parallel feeding form.
Preferably, the number of the horizontal radiation units and the number of the vertical radiation units are one or more, and the number of the horizontal radiation units and the number of the vertical radiation units can be the same or different.
Preferably, one surface of the first power division substrate is a power division feeder of the horizontal antenna, and the other surface of the first power division substrate is a ground surface; one side of the second power dividing substrate is a radiating sheet of the vertical antenna, and the other side of the second power dividing substrate is a power dividing feeder of the vertical antenna.
Preferably, the horizontal radiating element and the vertical radiating element are provided with grooves, bends or openings, and the grooves, the bends or the openings are used for widening the bandwidth of the antenna and reducing the size of the antenna.
Preferably, the shape or size of the groove, bend or opening can be adjusted according to the electrical performance requirement.
Preferably, the first power dividing substrate is vertically disposed with the dielectric substrate of the horizontal radiating unit, and the circuit combination is connected.
Preferably, the first power division substrate, the second power division substrate and the dielectric substrate of the horizontal radiation unit are both coated with copper or double-layer metal sheets.
Preferably, the horizontally polarized omnidirectional antenna and the vertically polarized omnidirectional antenna are arranged in an antenna housing, and the antenna housing is provided with a ceiling mounting structure, a pole holding mounting structure or a wall hanging mounting structure.
The technical scheme has the following beneficial effects: the dual-polarized omnidirectional antenna has low erection and installation requirements and can be installed on ceilings, walls, floors, self-service vending machines and other places; the omnidirectional antenna can realize horizontal and vertical dual polarization simultaneously, and the number of installed antennas is reduced; the omnidirectional antenna adopts a parallel feed form, and the width of a feed line can be flexibly changed so as to achieve the purposes of reducing side lobes and changing beam direction; the antenna radiation unit adopted by the omnidirectional antenna has basically consistent electrical performance within a wider frequency band range.
Drawings
Fig. 1 is a perspective view of the embodiment of the present invention.
Fig. 2 is an internal structure diagram of the embodiment of the present invention.
Fig. 3 is a 3D assembly diagram according to an embodiment of the present invention.
Fig. 4 is a front view of a vertical radiating element according to an embodiment of the present invention.
Fig. 5 is a back view of a vertical radiating element according to an embodiment of the present invention.
Fig. 6 is a schematic view of an embodiment of a vertical radiating element according to the present invention.
Fig. 7 is a schematic view of an embodiment of a vertical radiating element according to the present invention.
Fig. 8 is a schematic view of an embodiment of a vertical radiating element according to the present invention.
Fig. 9 is a front view of a horizontal radiating element according to an embodiment of the present invention.
Fig. 10 is a back view of a horizontal radiating element according to an embodiment of the present invention.
Fig. 11 is a view of a ceiling type installation manner according to an embodiment of the present invention.
Fig. 12 is a mounting manner diagram of a holding rod according to an embodiment of the present invention.
Fig. 13 is a diagram of a wall-mounted installation mode according to an embodiment of the present invention.
Element number description: 1. an antenna cover; 21. an upper end cover; 22. a base; 3. a horizontally polarized omnidirectional antenna; 31. a horizontal radiating element; 311. a horizontal radiating element radiating plate; 312. a horizontal radiating element balun feeder; 33. a horizontal antenna power distribution feeder; 34. a horizontal radiating element dielectric substrate; 35. a first power dividing substrate; 4. a vertically polarized omnidirectional antenna; 41. a vertical radiating element; 42. a vertical antenna power distribution feeder; 43. a second power dividing substrate; 5. a ceiling mounting structure; 6. a pole mounting structure; 7. wall built-up mounting structure.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present invention.
As shown in fig. 1, 2, and 3, the present patent discloses a broadband dual-polarized omnidirectional antenna, which includes a horizontally polarized omnidirectional antenna 3 and a vertically polarized omnidirectional antenna 4, where the horizontally polarized omnidirectional antenna 3 and the vertically polarized omnidirectional antenna 4 are disposed in an antenna cover 1, the antenna cover 1 is provided with an upper end cover 21 and a base 22, the horizontally polarized omnidirectional antenna 3 is disposed between the upper end cover 21 and the base 22, and the vertically polarized omnidirectional antenna 4 is disposed above the horizontally polarized omnidirectional antenna 3.
The horizontally polarized omnidirectional antenna 3 is composed of two horizontal radiating elements 31, the upper surface of the dielectric substrate 34 of the horizontal radiating element 31 is a horizontal radiating element radiating patch 311, and the lower surface is a horizontal radiating element balun feeder 312 (see fig. 9 and 10). A first power dividing substrate 35 is disposed between the two horizontal radiating elements 31, a horizontal antenna power dividing feeder 33 is disposed on the first power dividing substrate, and the horizontally polarized omnidirectional antenna element adopts a parallel feeding form, which aims to conveniently and timely trim a phase difference between the two antenna elements, and flexibly adjust a directional diagram of the antenna, and in addition, the energy ratio distributed to the two antenna elements can also be flexibly adjusted by adopting the parallel feeding form. As a specific embodiment, the first power dividing substrate 35 is also coated with copper on both sides, one side is the horizontal antenna power dividing feeder 33, and the other side is the ground, wherein the ground is not too wide or too long, so as not to affect the radiation characteristics of the omnidirectional antenna. The first power dividing substrate 35 is disposed perpendicular to the dielectric substrates 34 of the upper and lower two horizontal radiation units 31.
The vertically polarized omnidirectional antenna 4 is composed of two vertical radiating elements 41, the vertical radiating elements 41 are located on one side surface of the second power dividing substrate 43, and the other side surface of the second power dividing substrate 43 is provided with a vertical antenna power dividing feeder 42 (as shown in fig. 4 and 5). The second power dividing substrate 43 is a one-piece dielectric plate, and in order to electrically connect the two vertical radiating elements 41, the two vertical radiating elements 41 on the side face are used as the ground, and copper is partially coated on the other side face of the second power dividing substrate 43. The vertical polarization omnidirectional antenna also adopts a parallel feed mode, and aims to conveniently and timely trim the phase difference between the two vertical radiation units 41, flexibly adjust the directional diagram of the antenna, and flexibly adjust the energy ratio distributed to the two antenna units by adopting the parallel feed mode to reduce the antenna side lobe. The vertical radiating element 41 is not limited to the shape of the leaves, and can be adjusted according to the electrical performance requirements. The widths and lengths of the horizontal antenna power distribution feeder 33 and the vertical antenna power distribution feeder 42 can be adjusted according to the electrical performance requirements. The horizontal radiation unit 31 and the vertical radiation unit 41 both adopt a parallel feed form, and the power distribution proportion and the port phase of the horizontal antenna power distribution feeder 33 and the vertical antenna power distribution feeder 42 can be flexibly adjusted according to the electrical performance requirement
As a specific embodiment, in order to widen the bandwidth of the antenna and reduce the size of the antenna, grooves, bends, openings, and the like are designed in the radiation elements of the horizontally polarized antenna and the vertically polarized antenna. As shown in fig. 6, 7 and 8, the shape or size of the groove, bend or opening can be adjusted according to the electrical performance requirements.
As an embodiment of the present patent, the number of the horizontal radiating elements 31 and the vertical radiating elements 41 may be the same or different. The number of the horizontal radiating elements 31 and the vertical radiating elements 41 can be adjusted according to the electrical performance requirement, for example, three, four, or even more radiating elements are provided for the current horizontal radiating elements 31 and the current vertical radiating elements 41. In addition, the number of the horizontal radiation units 31 may not be the same as that of the vertical radiation units 41, that is, there are two horizontal radiation units 31, and there may be no two vertical radiation units 41.
In a specific embodiment, the first power dividing substrate 35, the second power dividing substrate 43, and the dielectric substrate 34 are copper-clad on both sides or double-layer copper sheets.
As shown in fig. 11, 12, and 13, for convenience of installation, the radome 1 may be provided with a ceiling mounting structure 5, a pole mounting structure 6, or a wall mounting structure 7. Therefore, the antenna can be mounted through the ceiling mounting structure 5, the holding pole mounting structure 6 or the wall-mounted mounting structure 7 respectively, so that the antenna can be conveniently applied to different occasions. The mounting structure of the antenna is not limited to the above-described mounting structures.
The dual-polarized omnidirectional antenna has low erection and installation requirements and can be installed on ceilings, walls, floors, self-service vending machines and other places; the omnidirectional antenna can realize horizontal and vertical dual polarization simultaneously, and the number of installed antennas is reduced; the omnidirectional antenna adopts a parallel feed form, and the width of a feed line can be flexibly changed so as to achieve the purposes of reducing side lobes and changing beam direction; the antenna radiation unit adopted by the omnidirectional antenna has basically consistent electrical performance within a wider frequency band range.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. A broadband dual-polarization omnidirectional antenna is characterized by comprising a horizontal polarization omnidirectional antenna and a vertical polarization omnidirectional antenna, wherein the horizontal polarization omnidirectional antenna is composed of a plurality of horizontal radiation units, the upper surfaces of dielectric substrates of the horizontal radiation units are horizontal radiation pieces, the lower surfaces of the dielectric substrates of the horizontal radiation units are balun feeder lines, and a first power division substrate is arranged between the horizontal radiation units; the vertical polarization omnidirectional antenna is composed of a plurality of vertical radiating elements, the vertical radiating elements are located on one side face of a second power division substrate, and an excitation feeder line is arranged on the other side face of the second power division substrate.
2. A wideband dual polarized omnidirectional antenna according to claim 1, wherein: the horizontal radiating unit and the vertical radiating unit both adopt a parallel feeding form.
3. A wideband dual polarized omnidirectional antenna according to claim 1, wherein: the number of the horizontal radiation units and the number of the vertical radiation units can be the same or different.
4. A wideband dual polarized omnidirectional antenna according to claim 1, wherein: one surface of the first power division substrate is a power division feeder line of the horizontal antenna, and the other surface of the first power division substrate is the ground; one side of the second power dividing substrate is a radiating sheet of the vertical antenna, and the other side of the second power dividing substrate is a power dividing feeder of the vertical antenna.
5. A wideband dual polarized omnidirectional antenna according to claim 1, wherein: the horizontal radiating unit and the vertical radiating unit are provided with grooves, bends or openings, and the grooves, the bends or the openings are used for widening the bandwidth of the antenna and reducing the size of the antenna.
6. A wideband dual polarized omnidirectional antenna according to claim 5, wherein: the shape or size of the groove, bend, opening can be adjusted according to the electrical performance requirement.
7. A wideband dual polarized omnidirectional antenna according to claim 1, wherein: the first power dividing substrate and the dielectric substrate of the horizontal radiation unit are vertically arranged, and the circuit combination is connected.
8. A wideband dual polarized omnidirectional antenna according to claim 1, wherein: the first power division substrate, the second power division substrate and the dielectric substrate of the horizontal radiation unit are coated with copper on double surfaces or double-layer metal sheets.
9. A wideband dual polarized omnidirectional antenna according to claim 1, wherein: the horizontal polarization omnidirectional antenna and the vertical polarization omnidirectional antenna are arranged in an antenna housing, and the antenna housing is provided with a ceiling mounting structure, a pole holding mounting structure or a wall hanging mounting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120558324.2U CN214254729U (en) | 2021-03-18 | 2021-03-18 | Broadband dual-polarization omnidirectional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120558324.2U CN214254729U (en) | 2021-03-18 | 2021-03-18 | Broadband dual-polarization omnidirectional antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214254729U true CN214254729U (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120558324.2U Active CN214254729U (en) | 2021-03-18 | 2021-03-18 | Broadband dual-polarization omnidirectional antenna |
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| Country | Link |
|---|---|
| CN (1) | CN214254729U (en) |
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2021
- 2021-03-18 CN CN202120558324.2U patent/CN214254729U/en active Active
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