CN112736422B - Dual polarized antenna - Google Patents
Dual polarized antenna Download PDFInfo
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- CN112736422B CN112736422B CN202011434329.0A CN202011434329A CN112736422B CN 112736422 B CN112736422 B CN 112736422B CN 202011434329 A CN202011434329 A CN 202011434329A CN 112736422 B CN112736422 B CN 112736422B
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- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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Abstract
The invention discloses a dual-polarized antenna, which comprises a horizontal radiating unit, a vertical radiating unit, a metal reflecting plate and an inter-frequency combiner, wherein the metal reflecting plate is arranged at the lower end of the dual-polarized antenna, the inter-frequency combiner is arranged on the upper surface of the metal reflecting plate, the horizontal radiating unit comprises a horizontal polarized high-frequency oscillator and a horizontal polarized low-frequency oscillator, the vertical radiating unit comprises a first vertical polarized oscillator and a second vertical polarized oscillator, the first vertical polarized oscillator, the horizontal polarized high-frequency oscillator, the second vertical polarized oscillator and the horizontal polarized low-frequency oscillator are sequentially arranged from top to bottom, the inter-frequency combiner comprises a first connecting end and a second connecting end, the first connecting end is connected with the horizontal polarized high-frequency oscillator through a first coaxial line, and the second connecting end is connected with the horizontal low-frequency oscillator through a second coaxial line. Therefore, the dual-polarized antenna has the characteristic of simple structure, and the implementation of the dual-polarized antenna is beneficial to improving the integration degree of the dual-polarized antenna.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a dual-polarized antenna.
Background
With the rapid development of communication technology, especially the arrival of the 5G age, the demand for highly integrated antennas with wide frequency bands is more and more evident in the market, and the coverage range of the dual polarized antennas composed of most of vertical polarization and horizontal polarization is relatively narrow in the frequency band of 800-2700MHz at present. In particular, the horizontal polarization vibrator can only cover 1710-2690MHz; and cannot be directly applied to the 5G frequency band. The dual-polarized antenna has the advantages of meeting the signal requirements of each frequency band, along with simple structure and low manufacturing cost. Therefore, how to make the dual polarized antenna simple in structure and improve the integration degree is a technical problem to be solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing the dual-polarized antenna, which has the characteristic of simple structure, and the implementation of the invention is beneficial to improving the integration degree of the dual-polarized antenna.
In order to solve the technical problems, the invention discloses a dual polarized antenna which comprises a horizontal radiating element, a vertical radiating element, a metal reflecting plate and a different-frequency combiner,
the metal reflecting plate is arranged at the lower end of the dual-polarized antenna, the different-frequency combiner is arranged on the upper surface of the metal reflecting plate,
the horizontal radiating element comprises a horizontal polarization high-frequency oscillator and a horizontal polarization low-frequency oscillator,
the vertical radiating element comprises a first vertically polarized vibrator and a second vertically polarized vibrator,
the first vertically polarized vibrator, the horizontally polarized high frequency vibrator, the second vertically polarized vibrator and the horizontally polarized low frequency vibrator are arranged from top to bottom in sequence,
the inter-frequency combiner comprises a first connecting end and a second connecting end,
the first connecting end is connected with the horizontal polarized high-frequency oscillator through a first coaxial line, and the second connecting end is connected with the horizontal low-frequency oscillator through a second coaxial line.
Therefore, the dual-polarized antenna has the characteristic of simple structure, and the internal structure of the dual-polarized antenna is more compact and the miniaturization degree of the dual-polarized antenna is improved by reasonably arranging the horizontal radiating unit, the vertical radiating unit, the metal reflecting plate and the different-frequency combiner, so that the integration degree of the dual-polarized antenna is improved.
In an alternative embodiment, the horizontal polarization high frequency oscillator comprises a first substrate, N first wire groove parts arranged on the upper surface of the first substrate and a first power divider arranged on the lower surface of the first substrate,
the first wire slot part consists of a bent microstrip wire slot,
the first power divider is provided with a first input end and N first output ends, and the first output ends are in one-to-one correspondence with the first line groove parts.
In an alternative embodiment, the horizontal polarization low frequency oscillator comprises a second substrate, N second wire groove parts arranged on the upper surface of the second substrate and a second power divider arranged on the lower surface of the second substrate,
the second wire slot part consists of a bent microstrip wire slot,
the second power divider is provided with a second input end and N second output ends, and the second output ends are in one-to-one correspondence with the second wire slot parts.
As an alternative embodiment, in the present invention, the body of the second vertically polarized vibrator is in a hollow truncated cone shape, and the lower edge of the body of the second vertically polarized vibrator is provided with N extension parts, and the extension parts extend downward with respect to the lower edge of the body of the second vertically polarized vibrator.
As an alternative embodiment, in the present invention, the first vertically polarized vibrator, the horizontally polarized high frequency vibrator, the second vertically polarized vibrator and the horizontally polarized low frequency vibrator are sequentially connected from top to bottom through a plurality of hexagonal plastic pipe columns.
In an alternative embodiment, in the present invention, a lower end portion of the first vertical polarization resonator has an inverted cone shape, and the lower end portion of the first vertical polarization resonator is connected to a middle portion of the horizontal polarization high-frequency resonator, the second vertical polarization resonator, and the horizontal polarization low-frequency resonator in a penetrating manner.
As an alternative embodiment, in the present invention, the different frequency combiner further includes a third connection terminal, and the third connection terminal is connected to the coaxial cable to complete the feeding.
In an optional implementation manner, in the invention, a plurality of sections of microstrip lines are arranged on the different-frequency combiner, and a plurality of junctions are formed by intersecting the microstrip lines.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of a dual polarized antenna according to an embodiment of the present invention;
fig. 2 is a top view of a horizontally polarized high frequency element of the dual polarized antenna shown in fig. 1;
fig. 3 is a bottom view of a horizontally polarized high frequency element of the dual polarized antenna shown in fig. 1;
fig. 4 is a top view of a second vertically polarized element of the dual polarized antenna shown in fig. 1;
fig. 5 is a top view of the different frequency combiner of the dual polarized antenna shown in fig. 1.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms first, second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
As shown in fig. 1, a dual polarized antenna according to an embodiment of the present invention includes a horizontal radiating element, a vertical radiating element, a metal reflecting plate 600 and an inter-frequency combiner 500,
the metal reflecting plate 600 is disposed at the lower end of the dual polarized antenna, the different frequency combiner 500 is disposed at the upper surface of the metal reflecting plate 600,
the horizontal radiating element includes a horizontally polarized high frequency vibrator 200 and a horizontally polarized low frequency vibrator 400,
the vertical radiating element comprises a first vertically polarized vibrator 100 and a second vertically polarized vibrator 300,
the first vertically polarized vibrator 100, the horizontally polarized high frequency vibrator 200, the second vertically polarized vibrator 300 and the horizontally polarized low frequency vibrator 400 are disposed from top to bottom in this order,
as shown in fig. 5, the inter-frequency combiner 500 includes a first connection 520 and a second connection 530,
the first connection terminal 520 is connected to the horizontally polarized high frequency oscillator 200 through a first coaxial line, and the second connection terminal 530 is connected to the horizontal low frequency oscillator 400 through a second coaxial line.
In the embodiment of the invention, the arrangement of each component of the dual-polarized antenna is optimized by vertically arranging the horizontal radiating unit, the vertical radiating unit, the metal reflecting plate and the different-frequency combiner, so that the miniaturization of the dual-polarized antenna is realized.
In the embodiment of the invention, the horizontal radiation unit is used for realizing polarized radiation in the horizontal direction of the dual-polarized antenna, and the vertical radiation unit is used for realizing polarized radiation in the vertical direction of the dual-polarized antenna. The horizontal radiating unit comprises a horizontal polarization high-frequency oscillator and a horizontal polarization low-frequency oscillator, wherein the horizontal polarization high-frequency oscillator can correspond to the working condition of a high frequency band, and specifically, the high frequency band can be 3300MHz to 3800MHz; the horizontally polarized low frequency oscillator may correspond to an operating condition of a high frequency band, and in particular, the low frequency band may be 1710MHz to 2690MHz.
In the embodiment of the invention, the inter-frequency combiner comprises the first connecting end and the second connecting end, wherein the first connecting end is connected with the horizontal polarized high-frequency oscillator, and the second connecting end is connected with the horizontal low-frequency oscillator, so that the dual-polarized antenna has good adaptability when being switched between a high frequency band and a low frequency band, thereby being beneficial to the working stability of the dual-polarized antenna.
Therefore, the dual-polarized antenna provided by the embodiment of the invention has the characteristics of simple structure, and the internal structure of the dual-polarized antenna is more compact and the miniaturization degree of the dual-polarized antenna is improved by reasonably arranging the horizontal radiating unit, the vertical radiating unit, the metal reflecting plate and the different-frequency combiner, so that the integration degree of the dual-polarized antenna is improved.
In the embodiment of the present invention, optionally, as shown in fig. 1, the first vertically polarized vibrator 100, the horizontally polarized high frequency vibrator 200, the second vertically polarized vibrator 300 and the horizontally polarized low frequency vibrator 400 are sequentially connected from top to bottom through a plurality of hexagonal plastic pipe columns 700. This makes the first vertically polarized vibrator, the horizontally polarized high frequency vibrator, the second vertically polarized vibrator and the horizontally polarized low frequency vibrator not closely connected with a certain gap therebetween, which is advantageous in widening the bandwidth.
In an embodiment of the present invention, as shown in fig. 5, the inter-frequency combiner 500 further includes a third connection end 510, where the third connection end 510 is connected to a coaxial cable to complete feeding.
In an embodiment of the present invention, as shown in fig. 5, optionally, a plurality of sections of microstrip lines 540 are disposed on the different frequency combiner 500, and the microstrip lines 540 intersect to form a plurality of junctions.
In some embodiments of the present invention, as shown in fig. 2 and 3, the horizontally polarized high frequency oscillator includes a first substrate 210, N first wire groove parts 220 disposed on an upper surface of the first substrate 210, and a first power divider 230 disposed on a lower surface of the first substrate 210,
the first wire slot portion 220 is composed of a bent microstrip wire slot,
the first power divider 230 is provided with a first input end and N first output ends, where the first output ends are in one-to-one correspondence with the first wire groove portions 220.
In the embodiment, the structure of the first wire slot part in the horizontal polarization high-frequency oscillator can be used as a balun, so that the coupling feed of the horizontal polarization high-frequency oscillator is facilitated; the structure of the first power divider in the horizontal polarization high-frequency oscillator is beneficial to matching with the first line groove part, thereby being beneficial to realizing the power dividing effect of 'one-minute N'.
Further, the structure of the horizontal polarization low frequency oscillator may refer to the structure of the horizontal polarization high frequency oscillator, specifically, the horizontal polarization low frequency oscillator includes a second substrate, N second wire groove parts disposed on the upper surface of the second substrate, and a second power divider disposed on the lower surface of the second substrate,
the second wire slot part consists of a bent microstrip wire slot,
the second power divider is provided with a second input end and N second output ends, and the second output ends are in one-to-one correspondence with the second wire slot parts.
In the embodiment, the structure of the second wire slot part in the horizontal polarization low-frequency oscillator can be used as a balun, so that the coupling feed of the horizontal polarization low-frequency oscillator is facilitated; the structure of the second power divider in the horizontal polarization low-frequency oscillator is beneficial to matching with the second wire slot part, thereby being beneficial to realizing the power division effect of 'one-division N'.
Wherein, optionally, the first substrate and the second substrate may be PCB boards; further alternatively, the microstrip line grooves forming the first line groove part and the second line groove part may be arranged on the upper surface of the corresponding PCB board in a printing manner; still further alternatively, the first power divider and the second power divider may be formed by a plurality of microstrip line slots disposed on the lower surface of the corresponding PCB board.
Wherein, optionally, the number N of the first wire groove portions may be 5, and correspondingly, the number N of the first output ends of the first power divider is also 5, the number N of the second wire groove portions is also 5, and the number N of the second output ends of the second power divider is also 5. Further alternatively, the first wire groove portions may be uniformly distributed on the upper surface of the first substrate, the second wire groove portions may be uniformly distributed on the upper surface of the second substrate, and correspondingly, the first output ends of the first power splitters may be uniformly distributed on the lower surface of the first substrate, and the second output ends of the second power splitters may be uniformly distributed on the lower surface of the second substrate.
Still further, as shown in fig. 1 and 4, the body of the second vertically polarized vibrator 300 is in a hollow truncated cone shape, and the lower edge of the body of the second vertically polarized vibrator 300 is provided with N extension portions 310, and the extension portions 310 extend downward with respect to the lower edge of the body of the second vertically polarized vibrator 300.
In this embodiment, the body of the second vertically polarized vibrator is in a hollow truncated cone shape, which is favorable for further increasing the gap between the extension portion of the second vertically polarized vibrator and the first vertically polarized vibrator, thereby being favorable for further widening the bandwidth.
Finally, it should be noted that: the dual polarized antenna disclosed in the embodiment of the present invention is only disclosed in the preferred embodiment of the present invention, and is only used for illustrating the technical scheme of the present invention, but not limiting the technical scheme; although the invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that; the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (8)
1. A dual polarized antenna is characterized by comprising a horizontal radiating unit, a vertical radiating unit, a metal reflecting plate and a different frequency combiner,
the metal reflecting plate is arranged at the lower end of the dual-polarized antenna, the different-frequency combiner is arranged on the upper surface of the metal reflecting plate,
the horizontal radiating element comprises a horizontal polarization high-frequency oscillator and a horizontal polarization low-frequency oscillator,
the vertical radiating element comprises a first vertically polarized vibrator and a second vertically polarized vibrator,
the first vertically polarized vibrator, the horizontally polarized high frequency vibrator, the second vertically polarized vibrator and the horizontally polarized low frequency vibrator are arranged from top to bottom in sequence,
the inter-frequency combiner comprises a first connecting end and a second connecting end,
the first connecting end is connected with the horizontal polarization high-frequency oscillator through a first coaxial line, and the second connecting end is connected with the horizontal polarization low-frequency oscillator through a second coaxial line.
2. The dual polarized antenna of claim 1, wherein the horizontally polarized high frequency oscillator comprises a first substrate, N first wire slot portions disposed on an upper surface of the first substrate, and a first power divider disposed on a lower surface of the first substrate,
the first wire slot part consists of a bent microstrip wire slot,
the first power divider is provided with a first input end and N first output ends, and the N first output ends are in one-to-one correspondence with the N first wire slot parts.
3. The dual polarized antenna of claim 2, wherein said horizontally polarized low frequency oscillator comprises a second substrate, N second wire slot portions provided on an upper surface of said second substrate, and a second power divider provided on a lower surface of said second substrate,
the second wire slot part consists of a bent microstrip wire slot,
the second power divider is provided with a second input end and N second output ends, and the N second output ends are in one-to-one correspondence with the N second wire slot parts.
4. A dual polarized antenna according to claim 3, wherein the body of the second vertically polarized element is in the shape of a hollow truncated cone and the lower edge of the body of the second vertically polarized element is provided with N extensions which extend downwards relative to the lower edge of the body of the second vertically polarized element.
5. The dual polarized antenna of claim 4, wherein a lower end portion of the first vertically polarized vibrator has an inverted cone shape, and wherein the lower end portion of the first vertically polarized vibrator is connected through a middle portion of the horizontally polarized high frequency vibrator, the second vertically polarized vibrator, and the horizontally polarized low frequency vibrator.
6. The dual polarized antenna of any one of claims 1 to 5, wherein the first vertically polarized vibrator, the horizontally polarized high frequency vibrator, the second vertically polarized vibrator and the horizontally polarized low frequency vibrator are connected in sequence from top to bottom by a number of hexagonal plastic pipe columns.
7. The dual polarized antenna of any one of claims 1 to 5, wherein the inter-frequency combiner further comprises a third connection terminal connected with a coaxial cable to complete the feeding.
8. The dual polarized antenna of any one of claims 1 to 5, wherein the inter-frequency combiner is provided with a plurality of microstrip lines, and the microstrip lines intersect to form a plurality of junctions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011434329.0A CN112736422B (en) | 2020-12-10 | 2020-12-10 | Dual polarized antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011434329.0A CN112736422B (en) | 2020-12-10 | 2020-12-10 | Dual polarized antenna |
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| Publication Number | Publication Date |
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| CN112736422A CN112736422A (en) | 2021-04-30 |
| CN112736422B true CN112736422B (en) | 2023-07-14 |
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| CN202011434329.0A Active CN112736422B (en) | 2020-12-10 | 2020-12-10 | Dual polarized antenna |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117973A (en) * | 2010-12-30 | 2011-07-06 | 摩比天线技术（深圳）有限公司 | Dual-polarized indoor distributed antenna |
| CN102983416A (en) * | 2012-11-28 | 2013-03-20 | 京信通信系统（中国）有限公司 | Indoor dual-polarization omnidirectional ceiling antenna |
| CN105024144A (en) * | 2015-08-07 | 2015-11-04 | 佛山市粤海信通讯有限公司 | High-performance full-band dual-polarized omnidirectional ceiling antenna |
| CN105789913A (en) * | 2016-04-27 | 2016-07-20 | 陈志璋 | Broadband dual-polarized omnidirectional MIMO antenna |
| CN206236796U (en) * | 2016-10-17 | 2017-06-09 | 佛山市三水区冠华通讯设备厂 | A kind of broadband dual polarized antenna |
| CN207834566U (en) * | 2017-12-28 | 2018-09-07 | 万马科技股份有限公司 | A kind of dual-polarization omnidirectional antenna |
| CN210006928U (en) * | 2019-05-13 | 2020-01-31 | 佛山市盛夫通信设备有限公司 | miniaturized single-polarization wall-mounted antenna |
-
2020
- 2020-12-10 CN CN202011434329.0A patent/CN112736422B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117973A (en) * | 2010-12-30 | 2011-07-06 | 摩比天线技术（深圳）有限公司 | Dual-polarized indoor distributed antenna |
| CN102983416A (en) * | 2012-11-28 | 2013-03-20 | 京信通信系统（中国）有限公司 | Indoor dual-polarization omnidirectional ceiling antenna |
| CN105024144A (en) * | 2015-08-07 | 2015-11-04 | 佛山市粤海信通讯有限公司 | High-performance full-band dual-polarized omnidirectional ceiling antenna |
| CN105789913A (en) * | 2016-04-27 | 2016-07-20 | 陈志璋 | Broadband dual-polarized omnidirectional MIMO antenna |
| CN206236796U (en) * | 2016-10-17 | 2017-06-09 | 佛山市三水区冠华通讯设备厂 | A kind of broadband dual polarized antenna |
| CN207834566U (en) * | 2017-12-28 | 2018-09-07 | 万马科技股份有限公司 | A kind of dual-polarization omnidirectional antenna |
| CN210006928U (en) * | 2019-05-13 | 2020-01-31 | 佛山市盛夫通信设备有限公司 | miniaturized single-polarization wall-mounted antenna |
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| CN112736422A (en) | 2021-04-30 |
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