CN106229650A - Low section spray shape Broadband circularly polarized antenna - Google Patents
Low section spray shape Broadband circularly polarized antenna Download PDFInfo
- Publication number
- CN106229650A CN106229650A CN201610590674.0A CN201610590674A CN106229650A CN 106229650 A CN106229650 A CN 106229650A CN 201610590674 A CN201610590674 A CN 201610590674A CN 106229650 A CN106229650 A CN 106229650A
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- China
- Prior art keywords
- layer
- parasitic
- dielectric layer
- circularly polarized
- spray shape
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Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0428—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave
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- Waveguide Aerials (AREA)
Abstract
The invention provides a kind of low section spray shape Broadband circularly polarized antenna, be used for communicating, Detection Techniques field；Including: the Radiation Module that is sequentially connected by feed port, first medium layer, the first parasitic layer, second dielectric layer, the second parasitic layer, the 3rd dielectric layer and metal floor；Wherein, shown Radiation Module is close to the surface of first medium layer, and includes: spray radiation patch, radiates disk two parts.Described radiation patch is the spray shape sheet metal surrounded by two equiangular spiral curves and rectangular edges, and the first parasitic layer, the second parasitic layer are the continuous irregular foils obtained by discretization grid optimization.The present invention is used for launching and receiving electromagnetic wave, its simple in construction, and along antenna plate normal direction upward, section is low for the main energetic of directional diagram, it is simple to conformal install and use.
Description
Technical field
The present invention relates to communication and monitoring technical field, in particular it relates to the broadband circle polarized sky of a kind of low section spray shape
Line.
Background technology
Along with the development of integrated chip technology, the demand of broadband jumbo wireless terminal miniaturization is increasingly strong, but
Antenna is the bottleneck of high-performance terminal miniaturization, is especially easy to conformal low section small sized wide-band circular polarized antenna the most wireless
The desired vitals of communication terminal.
Finding by literature search, " applicating technology " the 6th phase in 2011, Chang Shu et al. has delivered that " one is applied to WLAN/
The dual-band antenna of WiMAX ", broad frequency band can be realized by umbrella shape monopole and work.But its main radiation direction is in the horizontal direction,
Cannot conformal install, section is higher.
Summary of the invention
For defect of the prior art, it is an object of the invention to provide the broadband circle polarized sky of a kind of low section spray shape
Line.
The low section spray shape Broadband circularly polarized antenna provided according to the present invention, including: Radiation Module, multiple dielectric layer,
Multiple parasitic layers, metal floor and feed port；Wherein, the superiors are dielectric layer, and described parasitic layer is positioned at adjacent medium
Between Ceng, in the upper surface of the dielectric layer that described Radiation Module is close to the superiors, metal floor is positioned at the dielectric layer of the bottom
Lower section；One end of described feed port is connected to metal floor, the other end of described feed port sequentially pass through multiple dielectric layer,
It is connected to Radiation Module after multiple parasitic layers.
Preferably, described Radiation Module includes: Spoondrift type metal patch and circular radiation disk, and described Spoondrift type metal pastes
Sheet and circular radiation disk are all close in the dielectric layer surface of the superiors, and described Spoondrift type metal patch and circular radiation are justified
Sheet is the most overlapping.
Preferably, described Spoondrift type metal patch is surrounded by two equiangular spiral curves and one section of corresponding rectangular edges.
Preferably, including the first medium layer that is arranged alternately successively, the first parasitic layer, second dielectric layer, the second parasitic layer
And the 3rd dielectric layer, described Radiation Module is close to the upper surface of first medium layer, and the lower section of the 3rd dielectric layer is provided with gold
Possession plate；Wherein, air layer is left between first medium layer and the first parasitic layer；Stay between second dielectric layer and the second parasitic layer
There is air layer.
Preferably, dielectric layer is Rectangular Enclosure with Participating Media plate, and dielectric layer be provided centrally with through hole.
Preferably, parasitic layer is the continuous irregular foil obtained by discretization grid optimization, and foil
It is made up of four rotational symmetric regions；The center of parasitic layer is also equipped with through hole.
Preferably, feed port feeds from bottom to top, and one end of the outer conductor of feed port is connected with metal floor, leads outward
The other end of body is connected with the foil of the second parasitic layer after extending through the 3rd dielectric layer；The inner wire of described feed port
Sequentially pass through after the 3rd dielectric layer, the second parasitic layer, second dielectric layer, the first parasitic layer, first medium layer with radiation patch phase
Even；It it is the Teflon medium of annular between the internal and external conductor of feed port.
Compared with prior art, the present invention has a following beneficial effect:
The low section spray shape Broadband circularly polarized antenna that the present invention provides i.e. ensure that the bandwidth of antenna, polarizes, orients spoke
Penetrate, the performance such as gain, and section is low, conveniently realizes conformal installation.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, the further feature of the present invention,
Purpose and advantage will become more apparent upon:
The perspective view of the low section spray shape Broadband circularly polarized antenna that Fig. 1 provides for the present invention；
Fig. 2 is the radiation patch structural representation of the present invention；
Fig. 3 is the first parasitic Rotating fields schematic diagram of antenna in the present invention；
Fig. 4 is the second parasitic Rotating fields schematic diagram of antenna in the present invention；
Fig. 5 is the return loss schematic diagram of antenna in the present invention；
Fig. 6 be in the present invention antenna antenna pattern.
In figure:
1-spray radiation patch；
2-radiates disk；
3-first medium layer；
The parasitic layer of 4-first；
5-second dielectric layer；
The parasitic layer of 6-second；
7-the 3rd dielectric layer；
8-metal floor；
9-feed port.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in the technology of this area
Personnel are further appreciated by the present invention, but limit the present invention the most in any form.It should be pointed out that, the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, it is also possible to make some changes and improvements.These broadly fall into the present invention
Protection domain.
The low section spray shape Broadband circularly polarized antenna provided according to the present invention, including: spray radiation patch 1, radiation circle
The parasitic layer 4 of sheet 2, first medium layer 3, first, parasitic layer the 6, the 3rd dielectric layer 7 of second dielectric layer 5, second, metal floor 8 and
Feed port 9.
As it is shown in figure 1, described radiation patch 1 is the spray shape metal surrounded by two equiangular spiral curves and rectangular edges
Sheet, is positioned at the superiors.It is circular radiation disk 2 with layer near Spoondrift type metal patch 1 and with it.Adjacent radiation patch
First medium layer 3 is presented herein below, and described first medium layer 3 is Rectangular Enclosure with Participating Media plate, and centre is provided with through hole.Adjacent first medium layer 3
First parasitic layer 4, continuous irregular foil group that described first parasitic layer 4 by discretization grid optimization obtained are presented herein below
Become.Adjacent first parasitic layer 4 is presented herein below second dielectric layer 5, and described second dielectric layer 5 is Rectangular Enclosure with Participating Media plate, and there is through hole centre.
Below adjacent second dielectric layer 5 is the second parasitic layer 6, and the described second parasitic layer 6 is also obtained by discretization grid optimization
Continuous irregular foil forms.Adjacent second parasitic layer 6 is presented herein below the 3rd dielectric layer 7, and described 3rd dielectric layer 7 is square
Shape dielectric-slab, and centre is provided with through hole.Adjacent 3rd dielectric layer 7 is presented herein below metal floor 8, and described metal floor 8 is rectangle, and
Centre is provided with through hole.Feed port upwards feeds from 9, and the outer conductor of feed port 9 is connected with metal floor 8, and upwards prolongs
Stretch, through the 3rd dielectric layer 7, be connected with the sheet metal of the second parasitic layer 5；And the inner wire of described feed port 9 is all the way up
Extend and be connected with radiation patch 1；It it is the Teflon medium of annular between the internal and external conductor of feed port 9.
Embodiment
Specifically, as shown in Figure 5, Figure 6, arranging antenna full-size is 50mm × 50mm × 3mm, correlation performance parameters
Distribution results is: the S parameter of antenna is at the curve of frequency domain, and in 4.21GHz～4.95GHz, S parameter is both less than-10dB.Frequently
During rate 5GHz, the main energetic of the E face directional diagram of antenna radiates upward along antenna plate normal direction.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or revise, this not shadow
Ring the flesh and blood of the present invention.In the case of not conflicting, the feature in embodiments herein and embodiment can any phase
Combination mutually.
Claims (7)
1. one kind low section spray shape Broadband circularly polarized antenna, it is characterised in that including: Radiation Module, multiple dielectric layer, multiple
Parasitic layer, metal floor (8) and feed port (9)；Wherein, the superiors are dielectric layer, and described parasitic layer is positioned at adjacent Jie
Between matter layer, in the upper surface of the dielectric layer that described Radiation Module is close to the superiors, metal floor (8) is positioned at Jie of the bottom
Below matter layer；One end of described feed port (9) is connected to metal floor (8), and the other end of described feed port (9) is worn successively
It is connected to Radiation Module after crossing multiple dielectric layer, multiple parasitic layer.
Low section spray shape Broadband circularly polarized antenna the most according to claim 1, it is characterised in that described Radiation Module bag
Include: Spoondrift type metal patch (1) and circular radiation disk (2), described Spoondrift type metal patch (1) and circular radiation disk (2)
All be close in the dielectric layer surface of the superiors, and described Spoondrift type metal patch (1) and circular radiation disk (2) the most overlapping.
Low section spray shape Broadband circularly polarized antenna the most according to claim 2, it is characterised in that described Spoondrift type metal
Paster (1) is surrounded by two equiangular spiral curves and one section of corresponding rectangular edges.
Low section spray shape Broadband circularly polarized antenna the most according to claim 1, it is characterised in that including: replace successively
The first medium layer (3) of setting, the first parasitic layer (4), second dielectric layer (5), the second parasitic layer (6) and the 3rd dielectric layer
(7), described Radiation Module is close to the upper surface of first medium layer (3), and the lower section of the 3rd dielectric layer (7) is provided with metal floor
(8)；Wherein, air layer is left between first medium layer (3) and the first parasitic layer (4)；Second dielectric layer (5) and the second parasitic layer
(6) air layer is left between.
Low section spray shape Broadband circularly polarized antenna the most according to any one of claim 1 to 4, it is characterised in that be situated between
Matter layer is Rectangular Enclosure with Participating Media plate, and dielectric layer be provided centrally with through hole.
Low section spray shape Broadband circularly polarized antenna the most according to claim 5, it is characterised in that parasitic layer is by discrete
Change the continuous irregular foil that grid optimization obtains, and foil is made up of four rotational symmetric regions；Parasitic
The center of layer is also equipped with through hole.
Low section spray shape Broadband circularly polarized antenna the most according to claim 6, it is characterised in that feed port (9) from
Under upwards feed, one end of the outer conductor of feed port (9) is connected with metal floor (8), and the other end of outer conductor extends through
After 3rd dielectric layer, the foil with the second parasitic layer (6) is connected；The inner wire of described feed port (9) sequentially passes through the 3rd
Dielectric layer (7), the second parasitic layer (6), second dielectric layer (5), the first parasitic layer (4), first medium layer (3) are afterwards and radiation patch
(1) it is connected；It it is the Teflon medium of annular between the internal and external conductor of feed port (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610590674.0A CN106229650A (en) | 2016-07-25 | 2016-07-25 | Low section spray shape Broadband circularly polarized antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610590674.0A CN106229650A (en) | 2016-07-25 | 2016-07-25 | Low section spray shape Broadband circularly polarized antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106229650A true CN106229650A (en) | 2016-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610590674.0A Pending CN106229650A (en) | 2016-07-25 | 2016-07-25 | Low section spray shape Broadband circularly polarized antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106229650A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816716A (en) * | 2016-12-12 | 2017-06-09 | 上海交通大学 | Bimodulus vortex wave beam double-circle polarization four-element array antenna simple for structure |
| CN111244634A (en) * | 2020-02-20 | 2020-06-05 | 上海交通大学 | Bottom-fed broadband wide-beam dual-port millimeter wave digital coding antenna |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456947A (en) * | 2010-10-22 | 2012-05-16 | 北京协和航电科技有限公司 | Single-layer circularly symmetric GPS-BD (Global Position System-Big Dipper) dual-frequency microstrip antenna |
-
2016
- 2016-07-25 CN CN201610590674.0A patent/CN106229650A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456947A (en) * | 2010-10-22 | 2012-05-16 | 北京协和航电科技有限公司 | Single-layer circularly symmetric GPS-BD (Global Position System-Big Dipper) dual-frequency microstrip antenna |
Non-Patent Citations (1)
| Title |
|---|
| 刘祥: "低剖面定向圆极化天线的优化设计", 《中国优秀硕士学位论文全文数据库信息科技辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816716A (en) * | 2016-12-12 | 2017-06-09 | 上海交通大学 | Bimodulus vortex wave beam double-circle polarization four-element array antenna simple for structure |
| CN111244634A (en) * | 2020-02-20 | 2020-06-05 | 上海交通大学 | Bottom-fed broadband wide-beam dual-port millimeter wave digital coding antenna |
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Application publication date: 20161214 |