CN106299650A - L-type loads the wideband omnidirectional circular polarisation printed antenna improving floor - Google Patents
L-type loads the wideband omnidirectional circular polarisation printed antenna improving floor Download PDFInfo
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- CN106299650A CN106299650A CN201610802776.4A CN201610802776A CN106299650A CN 106299650 A CN106299650 A CN 106299650A CN 201610802776 A CN201610802776 A CN 201610802776A CN 106299650 A CN106299650 A CN 106299650A
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- medium substrate
- lower floor
- upper strata
- radiation patch
- floor
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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
-
- 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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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
L-type loads the wideband omnidirectional circular polarisation printed antenna improving floor, belongs to Circular polarized omni-directional printed antenna technical field.The present invention is to solve the impedance bandwidth of existing wideband omnidirectional circular polarisation printed antenna existence and the problem that axial ratio bandwidth is narrow.Its medium substrate and upper strata radiation patch are circle；Lower floor is the circular metal floor that excircle has L-type branch；Upper strata radiation patch is printed on the upper surface of medium substrate, and lower floor is printed on the lower surface of medium substrate, and the center of circle of medium substrate, upper strata radiation patch and lower floor is coaxial, and uses fed by coaxial probe；Being distributed uniformly and circumferentially multiple boring on the opposite position of medium substrate, upper strata radiation patch and lower floor, the respective bore on medium substrate, upper strata radiation patch and lower floor is connected by metallic vias；The excircle of lower floor is uniformly distributed 5 10 GeLXing branches.The present invention is a kind of wideband omnidirectional circular polarisation printed antenna.
Description
Technical field
The present invention relates to Circular polarized omni-directional printed antenna, particularly relate to a kind of L-type and load the wideband omnidirectional circle improving floor
Polarization printed antenna.
Background technology
The more traditional beam antenna of omnidirectional antenna can provide bigger signal cover, it can keep mobile unit or
Person's mobile terminal carries out real-time Communication for Power with the target of surrounding different orientations；Circular polarized antenna can effectively suppress multipath fading and
The loss that polarization mismatch brings, it is possible to ensure the stability of signal transmission；Printed antenna due to its low section, the most conformal, easily collect
The advantages such as one-tenth and low cost, and there is the most wide application prospect.Wideband omnidirectional circular polarisation printed antenna is by low section, wideband
Band, omni-directional and these excellent antenna performances of circular polarisation combine, and are effectively increased communication base station or mobile terminal
Space availability ratio, and reduce the development cost of antenna.And existing wideband omnidirectional circular polarisation printed antenna is due to low-frequency range chi
Very little relatively big, make impedance bandwidth and axial ratio bandwidth narrow, seriously constrain the application of such antenna.
Summary of the invention
The invention aims to solve impedance bandwidth and the axle ratio band that existing wideband omnidirectional circular polarisation printed antenna exists
It is wider than narrow problem, it is provided that a kind of L-type loads the wideband omnidirectional circular polarisation printed antenna improving floor.
L-type of the present invention loads the wideband omnidirectional circular polarisation printed antenna improving floor, and it includes medium substrate, and it is also
Including upper strata radiation patch and lower floor,
Medium substrate and upper strata radiation patch are circle；Lower floor is the circular metal that excircle has L-type branch
Floor；
Upper strata radiation patch is printed on the upper surface of medium substrate, and lower floor is printed on the lower surface of medium substrate, is situated between
The center of circle of matter substrate, upper strata radiation patch and lower floor is coaxial, and uses fed by coaxial probe；
It is distributed uniformly and circumferentially multiple brill on the opposite position of medium substrate, upper strata radiation patch and lower floor
Hole, the respective bore on medium substrate, upper strata radiation patch and lower floor is connected by metallic vias；
The excircle of lower floor is uniformly distributed 5-10 GeLXing branch.
L-type branches into 7.
The horizontal segment of L-type branch and the width of vertical section are equal.
Medium substrate is FR4 epoxy plate.
The radius of upper strata radiation patch and lower floor is respectively less than the radius of medium substrate.
Advantages of the present invention: the L-type that the present invention proposes loads the wideband omnidirectional circular polarisation printed antenna on improvement floor and meets
The characteristic of low section wideband omnidirectional circular polarisation.Can be used for the aspects such as S-band vehicle mounted guidance or communication, by following wireless
Indispensable role is played the part of in the communications field.
Its advantage is concentrated mainly on the following aspects:
(1) volume is little, lightweight；
(2) low cost, is suitable for volume production；
(3) section is low, thus does not interferes with the aerodynamic performance of aircraft；
(4) the most conformal, can be arranged on easily on satellite, guided missile or rocket；
(5) scattering section is less；
(6) different polarization characteristics can be obtained, such as linear polarization and circular polarisation by changing the position of feed point；
(7) can be by opening the modes such as meander gap on radiation patch surface, it is achieved multiband works；
(8) easy of integration, feeder line and matching network can be printed on same printing board PCB with antenna.
The sensitive structure parameter of inventive antenna is carried out simulation analysis and research, then to this antenna wideband omnidirectional circular polarisation
Principle carry out deep emulation and theory analysis, simulation result shows, this antenna is at the frequency model of 2.18GHz～2.62GHz
In enclosing, it is achieved that at reflection coefficient in the plane of pitching angle theta=20 ° | S11| <-10dB, the axle characteristic than AR < 3dB.
Accompanying drawing explanation
Fig. 1 is that the lower surface configuration of the wideband omnidirectional circular polarisation printed antenna that L-type of the present invention loads improvement floor is shown
It is intended to；
Fig. 2 is the surface structure schematic diagram that L-type loads the wideband omnidirectional circular polarisation printed antenna improving floor；
Fig. 3 is that in emulation experiment of the present invention, the plane of antenna is interior at reflection coefficient | S11| simulation curve figure；
Fig. 4 be in emulation experiment of the present invention the axle of antenna than AR simulation curve figure；Pitching angle theta=20 °,
It it is a coordinate figure of antenna place spherical coordinate system；
Fig. 5 is the gain simulation curve figure of antenna in emulation experiment of the present invention；Pitching angle theta=20 °,
Detailed description of the invention
Detailed description of the invention one: present embodiment is described below in conjunction with Fig. 1 to Fig. 5, L-type described in present embodiment loads and changes
Entering the wideband omnidirectional circular polarisation printed antenna on floor, it includes medium substrate 1, and it also includes upper strata radiation patch 2 and lower floor ground
Plate 3,
Medium substrate 1 and upper strata radiation patch 2 are circle；Lower floor 3 has the circle of L-type branch 3-1 for excircle
Shape metal floor；
Upper strata radiation patch 2 is printed on the upper surface of medium substrate 1, and lower floor 3 is printed on the following table of medium substrate 1
Face, the center of circle of medium substrate 1, upper strata radiation patch 2 and lower floor 3 is coaxial, and uses fed by coaxial probe；
It is distributed uniformly and circumferentially many on the opposite position of medium substrate 1, upper strata radiation patch 2 and lower floor 3
Individual boring, the respective bore on medium substrate 1, upper strata radiation patch 2 and lower floor 3 is connected by metallic vias；
The excircle of lower floor 3 is uniformly distributed 5-10 GeLXing branch 3-1.
The L-type branch 3-1 of the present invention is preferably 7.
The horizontal segment of L-type branch 3-1 and the width of vertical section are equal.
Medium substrate 1 uses thickness to be 3mm, and dielectric constant is 2.2, loss angle tangent be 0.01 FR4 epoxy plate make.
The radius of upper strata radiation patch 2 and lower floor 3 is respectively less than the radius of medium substrate 1.
Described upper strata radiation patch 2 can use circular metal patch.
The direction of described L-type branch 3-1 can be the L-type of positive direction, it is also possible to for being the reciprocal of specular with L
L-type, if all L-type branch 3-1 towards consistent.
Operation principle:
Due to the fact that the existence of L-type branched structure, make antenna ground panel area create CURRENT DISTRIBUTION, this CURRENT DISTRIBUTION can
To be equivalent to an equivalent electric current ring being in place, floor plane.The upper strata radiation patch that described antenna is connected by metallic vias
2 and lower floor 3 form, antenna structure is equivalent to a cavity model, and present in this cavity model, electromagnetic field mode is TM01
And TM02, the two pattern has respective resonant frequency respectively, then by the two double resonance effect on standing wave curve, its
Antenna pattern is similar to monopole antenna, therefore this antenna structure achieve one wide band like monopole antenna.
In present embodiment, used by antenna, circular media substrate radius is R, and top layer circular metal patch radius is Rp, the end
It is R that layer improves circular metal lower floor radiusg, the distance of the metallic vias of connection radiation patch and lower floor to the center of circle is
A, metallic vias radius is r, loads the L-type a length of l of branched structure vertical component, a length of l of horizontal component1, the two width is equal
For W, its size Selection such as table 1.A size of mm in table 1.
Table 1
The simulation experiment result of the present invention shows, described antenna can effectively reduce polarization mismatch loss and Path Loss,
There is during efficient communication real-time with other equipment the omnidirectional radiation characteristic of higher gain.This antenna is printed form structure, has and cuts open
Face is low, lightweight, be easily integrated, and has the feature of broader bandwidth, miniaturization, can be widely applied in advanced antenna system.
Claims (5)
1. L-type loads the wideband omnidirectional circular polarisation printed antenna improving floor, and it includes medium substrate (1), and its feature exists
In, it also includes upper strata radiation patch (2) and lower floor (3),
Medium substrate (1) and upper strata radiation patch (2) are circle；Lower floor (3) is that excircle has L-type branch (3-1)
Circular metal floor；
Upper strata radiation patch (2) is printed on the upper surface of medium substrate (1), and lower floor (3) is printed under medium substrate (1)
Surface, the center of circle of medium substrate (1), upper strata radiation patch (2) and lower floor (3) is coaxial, and uses fed by coaxial probe；
It is distributed uniformly and circumferentially on the opposite position of medium substrate (1), upper strata radiation patch (2) and lower floor (3)
Multiple borings, the respective bore on medium substrate (1), upper strata radiation patch (2) and lower floor (3) is by metallic vias even
Connect；
The excircle of lower floor (3) is uniformly distributed 5-10 GeLXing branch (3-1).
L-type the most according to claim 1 loads the wideband omnidirectional circular polarisation printed antenna improving floor, it is characterised in that L
Type branch (3-1) is 7.
L-type the most according to claim 1 loads the wideband omnidirectional circular polarisation printed antenna improving floor, it is characterised in that L
The horizontal segment of type branch (3-1) and the width of vertical section are equal.
L-type the most according to claim 1 loads the wideband omnidirectional circular polarisation printed antenna improving floor, it is characterised in that
Medium substrate (1) is FR4 epoxy plate.
L-type the most according to claim 1 loads the wideband omnidirectional circular polarisation printed antenna improving floor, it is characterised in that
The radius of upper strata radiation patch (2) and lower floor (3) is respectively less than the radius of medium substrate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610802776.4A CN106299650A (en) | 2016-09-05 | 2016-09-05 | L-type loads the wideband omnidirectional circular polarisation printed antenna improving floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610802776.4A CN106299650A (en) | 2016-09-05 | 2016-09-05 | L-type loads the wideband omnidirectional circular polarisation printed antenna improving floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106299650A true CN106299650A (en) | 2017-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610802776.4A Pending CN106299650A (en) | 2016-09-05 | 2016-09-05 | L-type loads the wideband omnidirectional circular polarisation printed antenna improving floor |
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| CN (1) | CN106299650A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539400A (en) * | 2018-03-01 | 2018-09-14 | 杭州电子科技大学 | A kind of band horizontal polarized omnidirectional antenna |
| CN108808237A (en) * | 2018-06-28 | 2018-11-13 | 中国电子科技集团公司第十三研究所 | Plane omnidirectional circular-polarized antenna |
| CN109888487A (en) * | 2019-04-02 | 2019-06-14 | 中天宽带技术有限公司 | A kind of double-frequency omnidirectional antenna |
| CN110148832A (en) * | 2019-05-06 | 2019-08-20 | 南京邮电大学 | A kind of implantable antenna system |
| CN110416716A (en) * | 2019-07-11 | 2019-11-05 | 南京鲲瑜信息科技有限公司 | Low section conformal omnidirectional circular polarized antenna and preparation method thereof |
| CN114171886A (en) * | 2021-12-27 | 2022-03-11 | 深圳大学 | Flexible antenna, manufacturing method thereof and electrocardiogram patch |
| CN114824806A (en) * | 2022-05-16 | 2022-07-29 | 四川中电昆辰科技有限公司 | Ultra-wideband circularly polarized antenna |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931479A (en) * | 2012-11-02 | 2013-02-13 | 大连海事大学 | Compact type plane dual-band omnidirectional circularly polarized antenna |
-
2016
- 2016-09-05 CN CN201610802776.4A patent/CN106299650A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931479A (en) * | 2012-11-02 | 2013-02-13 | 大连海事大学 | Compact type plane dual-band omnidirectional circularly polarized antenna |
Non-Patent Citations (1)
| Title |
|---|
| Y. M. PAN 等: ""Wideband and Low-Profile Omnidirectional Circularly Polarized Patch Antenna"", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539400A (en) * | 2018-03-01 | 2018-09-14 | 杭州电子科技大学 | A kind of band horizontal polarized omnidirectional antenna |
| CN108808237A (en) * | 2018-06-28 | 2018-11-13 | 中国电子科技集团公司第十三研究所 | Plane omnidirectional circular-polarized antenna |
| 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 |
| CN109888487A (en) * | 2019-04-02 | 2019-06-14 | 中天宽带技术有限公司 | A kind of double-frequency omnidirectional antenna |
| CN110148832A (en) * | 2019-05-06 | 2019-08-20 | 南京邮电大学 | A kind of implantable antenna system |
| CN110416716A (en) * | 2019-07-11 | 2019-11-05 | 南京鲲瑜信息科技有限公司 | Low section conformal omnidirectional circular polarized antenna and preparation method thereof |
| CN114171886A (en) * | 2021-12-27 | 2022-03-11 | 深圳大学 | Flexible antenna, manufacturing method thereof and electrocardiogram patch |
| CN114824806A (en) * | 2022-05-16 | 2022-07-29 | 四川中电昆辰科技有限公司 | Ultra-wideband circularly polarized antenna |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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