CN106329156B - A kind of novel double-frequency dual-polarization omnidirectional antenna - Google Patents
A kind of novel double-frequency dual-polarization omnidirectional antenna Download PDFInfo
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- CN106329156B CN106329156B CN201610842269.3A CN201610842269A CN106329156B CN 106329156 B CN106329156 B CN 106329156B CN 201610842269 A CN201610842269 A CN 201610842269A CN 106329156 B CN106329156 B CN 106329156B
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- upper layer
- open
- patch
- end slot
- lower layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
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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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention relates to a kind of novel dual-band and dual-polarization omnidirectional antennas, and the form of short-circuit column is loaded using annulus patch, realize the dual-band and dual-polarization omnidirectional low profile antenna for integrating the radiation of omnidirectional's vertical polarization with Circular polarized omni-directional radiation.By optimizing the size and circular polarisation performance of antenna, Circular polarized omni-directional radiation characteristic is presented in low-frequency range, omnidirectional's linearly polarized radiation characteristic is presented in high band.This new structure antenna omnidirectional performance is good, can work at the same time in GPS frequency range and WLAN frequency range, application value with higher.
Description
Technical field
The invention belongs to antenna technical field, specially a kind of dual-band and dual-polarization omnidirectional antenna.
Background technique
Omnidirectional antenna because the characteristics of its wide coverage be widely applied to broadcast, in navigation system.Most according to industry
New regulation, omnidirectional antenna refer to that directional diagram is non-directional in a certain plane, and directional diagram is to have in plane normal thereto
The antenna of directionality.Existing omnidirectional antenna is concentrated mainly on omnidirectional's vertical polarized antenna, omnidirectional's horizontally-polarized antenna and complete
To circular polarized antenna.And existing antenna can only operate in single frequency band, cannot be simultaneously with two different polarization mode works
Make in two different frequency ranges.
Summary of the invention
Technical problems to be solved
It cannot be worked simultaneously with two different polarization modes in two different frequency ranges to solve existing omnidirectional antenna
The problem of, the invention proposes a kind of novel dual-band and dual-polarization omnidirectional antennas, use circular patch load fluting and short-circuit column
Form realize an antenna and radiated respectively with Circular polarized omni-directional and omnidirectional's linear polarity format in two different frequency ranges.
Technical solution
A kind of novel double-frequency dual-polarization omnidirectional antenna, it is characterised in that including dielectric-slab, upper layer patch, lower layer's patch, on
Layer open-end slot, lower layer's open-end slot, upper layer annular groove, short circuit metallic hole and apex drive part；Dielectric-slab is cylinder
Body structure, upper layer patch and lower layer's patch are attached to the upper and lower surfaces of dielectric-slab respectively；Upper layer open-end slot and lower layer's terminal
Open circuit slot is uniformly arranged in rotationally symmetrical fashion respectively on upper layer patch and lower layer's patch, and upper layer open-end slot is under
Layer open-end slot has certain angle, and on upper layer, the side of open-end slot is equipped with short circuit metallic hole and is connected to lower layer's patch
Piece, upper layer annular groove are located on the patch of upper layer and using the center of circle of dielectric-slab as the center of circle, and apex drive part is located at the circle of dielectric-slab
At the heart.
The dielectric constant of the dielectric-slab is 2.2, radius 48mm, with a thickness of 4mm.
The interior distance of round center of circle 16mm, width 2mm of the upper layer annular groove.
The upper layer open-end slot and lower layer's open-end slot is rectangle, is 8, the short side of slot is apart from the center of circle
19.5mm, flute length 20mm, groove width 4mm.
The apex drive part uses coaxial feed mode.
The angle of the upper layer open-end slot and lower layer's open-end slot is 3 °.
The short circuit metallic hole is 40mm apart from the center of circle.
Beneficial effect
A kind of novel double-frequency dual-polarization omnidirectional antenna proposed by the present invention loads the form of short-circuit column using annulus patch,
Realize the dual-band and dual-polarization omnidirectional low profile antenna for integrating the radiation of omnidirectional's vertical polarization with Circular polarized omni-directional radiation.Pass through
The size and circular polarisation performance for optimizing antenna, are presented Circular polarized omni-directional radiation characteristic in low-frequency range, and omnidirectional's line is presented in high band
Polarized radiation characteristic.This new structure antenna omnidirectional performance is good, can work at the same time in GPS frequency range and WLAN frequency range, have compared with
High application value.
Detailed description of the invention
Fig. 1 three-dimensional structure diagram of the present invention
Fig. 2 top view of the present invention
Fig. 3 standing wave pattern
Fig. 4 1.5GHz directional diagram
Fig. 5 1.5GHz horizontal plane axis ratio
Fig. 6 2.4GHz directional diagram
1- dielectric-slab, the upper layer 2- patch, 3- lower layer patch, the upper layer 4- open-end slot, 5- lower layer open-end slot, on 6-
Layer annular groove, 7- upper and lower level short circuit metallic hole, 8- apex drive part.
Specific embodiment
Now in conjunction with embodiment, attached drawing, the invention will be further described:
In order to enable single antenna to work at the same time in GPS frequency range and WLAN frequency range, while the spy for needing that there is omnidirectional radiation
Property.
As shown in Figure 1, a kind of novel double-frequency dual-polarization omnidirectional antenna, including dielectric-slab 1, upper layer patch 2, lower layer's patch 3,
Upper layer open-end slot 4, lower layer's open-end slot 5, upper layer annular groove 6, upper and lower level short circuit metallic hole 7 and apex drive part 8；
Dielectric-slab 1 is cylindrical structure, and upper layer patch 2 and lower layer's patch 3 are attached to 1 two sides of dielectric-slab, upper layer patch in the form of covering copper
Piece 2 symmetrically places eight rectangular upper layer open-end slots 4, lower layer's patch 3 symmetrically place eight it is rectangular
Lower layer's open-end slot 5 views from above upper layer open-end slot 4 and lower layer's open-end slot 5 from surface and is not exclusively overlapped, lower layer
Open-end slot 5 is rotated a certain angle to obtain counterclockwise by upper layer open-end slot 4.Eight upper and lower level short circuit metallic holes 7 exist
4 side of upper layer open-end slot, and upper layer patch 2 and lower layer's patch 3 are connected, a upper layer annular has been opened on upper layer patch 2
Slot 6, upper layer annular groove 6 is using the center of circle of dielectric-slab 1 as the center of circle.Apex drive part 8 is located at the center point of dielectric-slab 1.In antenna
The heart is coaxial feed point 8.
As shown in Fig. 2, dielectric-slab 1 is cylindrical structure, dielectric constant 2.2, radius R1 is 48mm, with a thickness of 4mm；On
The radius R1 of layer patch 2 and lower layer's patch 3 is 48mm；Upper and lower level short circuit metallic hole 7 is 40mm apart from center of circle R2, and radius Rp is
1mm；Upper layer annular groove 6 is 16mm, width 2mm apart from center of circle R3；Upper layer open-end slot 4 and lower layer's open-end slot 5 are equal
It is 8, the short side of slot is 19.5mm apart from center of circle R4, and flute length 20mm, groove width W1 are 4mm；Upper layer open-end slot 4 and lower layer
5 angle of open-end slotIt is 3 °.
In low frequency, the 5 radiation level polarized wave of open-end slot of the open-end slot 4 of upper layer patch 1 and lower layer's patch 3 with
The vertically polarized wave superposition that eight upper and lower level short circuit metallic holes 7 radiate, forms Circular polarized omni-directional radiation characteristic.On high frequency, upper layer
Patch 2 is monopolar form by 6 spaced portions of upper layer annular groove, forms omnidirectional's linearly polarized radiation characteristic.
Fig. 3 is the standing wave result of antenna, the results showed that antenna may be simultaneously operated in GPS and WLAN frequency range, stay in frequency band
Wave is less than 2.Directional diagram result is shown in Fig. 4, and out-of-roundness is less than 1dB in the horizontal plane, and cross polarization is greater than 20dB.While in order to meet
The circular polarization characteristics of GPS, in 1.5GHz, the axis ratio in horizontal omnidirectional face is shown in that Fig. 5, omnidirectional's range inner shaft ratio are less than 2dB.In high frequency,
Upper layer patch 2 is monopolar form by 6 spaced portions of upper layer annular groove, forms omnidirectional's linearly polarized radiation characteristic.Directional diagram result
See Fig. 6, out-of-roundness is less than 1dB in the horizontal plane, and cross polarization is greater than 20dB.
Claims (7)
1. a kind of novel double-frequency dual-polarization omnidirectional antenna, it is characterised in that including dielectric-slab (1), upper layer patch (2), lower layer's patch
(3), upper layer open-end slot (4), lower layer's open-end slot (5), upper layer annular groove (6), short circuit metallic hole (7) and apex drive
Partially (8)；Dielectric-slab (1) is cylindrical structure, and upper layer patch (2) and lower layer's patch (3) are attached to the upper and lower of dielectric-slab (1) respectively
Two faces；Upper layer open-end slot (4) and lower layer's open-end slot (5) are uniformly arranged in rotationally symmetrical fashion respectively
On layer patch (2) and lower layer's patch (3), upper layer open-end slot (4) and lower layer's open-end slot (5) have certain angle,
It is equipped with short circuit metallic hole (7) in the side of upper layer open-end slot (4) to be connected to lower layer's patch (3), upper layer annular groove (6) is located at
On upper layer patch (2) and using the center of circle of dielectric-slab (1) as the center of circle, apex drive part (8) are located at the center point of dielectric-slab (1).
2. a kind of novel double-frequency dual-polarization omnidirectional antenna according to claim 1, it is characterised in that the dielectric-slab (1)
Dielectric constant be 2.2, radius 48mm, with a thickness of 4mm.
3. a kind of novel double-frequency dual-polarization omnidirectional antenna according to claim 1, it is characterised in that the upper layer annular
The interior distance of round center of circle 16mm, width 2mm of slot (6).
4. a kind of novel double-frequency dual-polarization omnidirectional antenna according to claim 1, it is characterised in that the upper layer terminal
It opens a way slot (4) and lower layer's open-end slot (5) is rectangle, be 8, apart from center of circle 19.5mm, flute length is the short side of slot
20mm, groove width 4mm.
5. a kind of novel double-frequency dual-polarization omnidirectional antenna according to claim 1, it is characterised in that the apex drive
Partially (8) use coaxial feed mode.
6. a kind of novel double-frequency dual-polarization omnidirectional antenna according to claim 1, it is characterised in that the upper layer terminal
It opens a way slot (4) and the angle of lower layer's open-end slot (5) is 3 °.
7. a kind of novel double-frequency dual-polarization omnidirectional antenna according to claim 1, it is characterised in that the short circuit metallic
Hole (7) is 40mm apart from the center of circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610842269.3A CN106329156B (en) | 2016-09-23 | 2016-09-23 | A kind of novel double-frequency dual-polarization omnidirectional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610842269.3A CN106329156B (en) | 2016-09-23 | 2016-09-23 | A kind of novel double-frequency dual-polarization omnidirectional antenna |
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| CN106329156A CN106329156A (en) | 2017-01-11 |
| CN106329156B true CN106329156B (en) | 2019-03-05 |
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| CN201610842269.3A Active CN106329156B (en) | 2016-09-23 | 2016-09-23 | A kind of novel double-frequency dual-polarization omnidirectional antenna |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808237B (en) * | 2018-06-28 | 2020-07-07 | 中国电子科技集团公司第十三研究所 | Planar omnidirectional circularly polarized antenna |
| CN109687092B (en) * | 2018-12-25 | 2020-12-01 | 深圳市鼎耀科技有限公司 | Low-profile omnidirectional circularly polarized antenna |
| CN113540805A (en) * | 2020-11-20 | 2021-10-22 | 电子科技大学 | Omnidirectional antenna system with beam bunching effect |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3713167A (en) * | 1971-08-05 | 1973-01-23 | Us Navy | Omni-steerable cardioid antenna |
| CN101194441A (en) * | 2005-04-07 | 2008-06-04 | 索尼爱立信移动通讯股份有限公司 | Antenna arrangement |
-
2016
- 2016-09-23 CN CN201610842269.3A patent/CN106329156B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3713167A (en) * | 1971-08-05 | 1973-01-23 | Us Navy | Omni-steerable cardioid antenna |
| CN101194441A (en) * | 2005-04-07 | 2008-06-04 | 索尼爱立信移动通讯股份有限公司 | Antenna arrangement |
Non-Patent Citations (2)
| Title |
|---|
| A new ultrawideband printed monopole antenna: the planar inverted cone antenna (PICA);Seong-Youp Suh etc.;《IEEE Transactions on Antennas and Propagation》;20040510;1361 - 1364 |
| 共形全向天线的研究进展;朱永忠; 许家栋;《苏州大学学报(自然科学版)》;20111010;34-39 |
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| CN106329156A (en) | 2017-01-11 |
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