CN107565226A - A kind of antenna mechanism - Google Patents
A kind of antenna mechanism Download PDFInfo
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- CN107565226A CN107565226A CN201710704854.1A CN201710704854A CN107565226A CN 107565226 A CN107565226 A CN 107565226A CN 201710704854 A CN201710704854 A CN 201710704854A CN 107565226 A CN107565226 A CN 107565226A
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- antenna
- monopole
- antennas
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- mutually orthogonal
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Abstract
The invention discloses a kind of antenna mechanism, by setting four mutually orthogonal rectangle first antennas two-by-two on antenna substrate, and phase shift feeding network is additionally provided with the antenna substrate, fed for four monopole antennas and current feed phase is mutually orthogonal, by the mutually orthogonal feeding mode of four first antennas and current feed phase of orthogonal setting to realize antenna circular polarisation, and the miniaturization of antenna mechanism and the technique effect of high-gain performance ensure that by each part set-up mode of antenna mechanism.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of antenna mechanism.
Background technology
Antenna circular polarisation refers to be synthesized by two mutually orthogonal line polarization waves by the electromagnetic wave field of antenna, when this two just
Friendship polarizes when wave-amplitude is equal and phase differs 90 degree and is formed circular polarized antenna.After antenna realizes circular polarisation performance, nothing
By collection of letters antenna polarised direction how, the signal induced is all identical, does not have what difference.Therefore, there is entelechy
Changing the antenna of performance can cause system to reduce the azimuthal sensitivity of antenna, and especially suitable be installed on needs to be in mobile status
Under device on.
At present, traditional antenna is in order to realize that miniaturization would generally be on antenna substrate by the way of coated by dielectric, medium
Dielectric constant is more big, and the antenna size for meeting system requirements can be made smaller.But due to coated by dielectric antenna there is
Dielectric loss, therefore the miniature antenna realized using this kind of mode can not often realize high-gain performance simultaneously.
On the other hand, in the conventional technology in order that antenna realizes that broadband performance would generally use increase dielectric thickness, add
Parasitic patch or the method that gap is loaded on single paster, increase dielectric thickness and add the shape mode of parasitic patch not only to increase
Add the size of antenna, and can also reduce antenna gain simultaneously, and the method that gap is loaded on paster can make antenna direction
Scheme uneven or even have and collapse in some angle gain directional diagrams, antenna cisco unity malfunction can be then caused when collapsing serious.
Another further aspect, traditional antenna are fed when realizing circular polarisation performance usually using single feed point to a radiation patch
Or the bandwidth of the mode fed with multiple distributing points to radiation patch, SF single feed structure when realizing antenna circular polarisation compared with
It is narrow, and more feed structures are realized and can then cause antenna gain to reduce by force very much due to being coupled between feed port during antenna circular polarisation.
As can be seen here, miniaturization and height can not be realized simultaneously when realizing circular polarisation performance there is antenna in the prior art
The technical problem of gain performance.
The content of the invention
The application provides a kind of antenna mechanism, to solve in the prior art there is antenna when realizing circular polarisation performance
The technical problem of miniaturization and high-gain performance can not be realized simultaneously.
This application provides a kind of antenna mechanism, including：
Antenna substrate；
Four first antennas, the first antenna are rectangle, and are orthogonally set two-by-two the of the antenna substrate
On one surface；
Phase shift feeding network, it is arranged on the antenna substrate, to be fed for four monopole antennas, and it is described
Phase shift feeding network is mutually orthogonal for the current feed phase of each monopole antenna.
Alternatively, the first antenna is monopole antenna.
Alternatively, L-type gap is provided with the monopole antenna.
Alternatively, the relative bandwidth of the monopole antenna belongs to 10% to 20% bandwidth range.
Alternatively, the relative bandwidth of the monopole antenna is specially 15%.
Alternatively, what the monopole antenna was formed after being cut out with the angle that will be close to adjacent monopoles sub-antenna side cuts
Angle.
Alternatively, the distance between two first antennas being oppositely arranged in four first antennas belong to it is default away from
From scope, so that four first antennas surround the hollow gap with preset area.
Alternatively, it is additionally provided with the second antenna in the hollow gap.
Alternatively, the frequency of second antenna is different from the frequency of the first antenna.
Alternatively, it is additionally provided with metal level on the first surface of the antenna substrate.
The one or more technical schemes provided in the embodiment of the present application, have at least the following technical effects or advantages：
Technical scheme in the embodiment of the present application on antenna substrate by setting four mutually orthogonal rectangles the two-by-two
One antenna, and phase shift feeding network is additionally provided with the antenna substrate, feed and present for four monopole antennas
Electric phase is mutually orthogonal, is realized by the mutually orthogonal feeding mode of four first antennas and current feed phase of orthogonal setting
Antenna circular polarisation, and ensure that by each part set-up mode of antenna mechanism miniaturization and the high-gain performance of antenna mechanism
Technique effect.
Brief description of the drawings
Fig. 1 is a kind of three-dimensional structure diagram of antenna frame provided in an embodiment of the present invention；
Fig. 2 is a kind of overlooking structure figure of antenna frame provided in an embodiment of the present invention；
Fig. 3 is a kind of antenna substrate structure chart of antenna frame provided in an embodiment of the present invention.
Embodiment
The application provides a kind of antenna mechanism, to solve in the prior art there is antenna when realizing circular polarisation performance
The technical problem of miniaturization and high-gain performance can not be realized simultaneously.
Technical scheme in the embodiment of the present application is in order to solve the above technical problems, general thought is as follows：
Technical scheme in the embodiment of the present application on antenna substrate by setting four mutually orthogonal rectangles the two-by-two
One antenna, and phase shift feeding network is additionally provided with the antenna substrate, feed and present for four monopole antennas
Electric phase is mutually orthogonal, is realized by the mutually orthogonal feeding mode of four first antennas and current feed phase of orthogonal setting
Antenna circular polarisation, and ensure that by each part set-up mode of antenna mechanism miniaturization and the high-gain performance of antenna mechanism
Technique effect.
Technical scheme is described in detail below by accompanying drawing and specific embodiment, it should be understood that the application
Specific features in embodiment and embodiment are the detailed description to technical scheme, rather than to present techniques
The restriction of scheme, in the case where not conflicting, the technical characteristic in the embodiment of the present application and embodiment can be mutually combined.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, expression may have three kinds of passes
System, for example, A and/or B, can be represented：Individualism A, while A and B be present, these three situations of individualism B.In addition, herein
Middle character "/", it is a kind of relation of "or" to typically represent forward-backward correlation object.
Embodiment one
Fig. 1, Fig. 2, Fig. 3 are refer to, the embodiment of the present application one provides a kind of antenna mechanism, including：
Antenna substrate 101；
Four first antennas 102, the first antenna is rectangle, and is orthogonally set two-by-two in the antenna substrate
On first surface；The first antenna is monopole antenna, and L-type gap 104 is provided with the monopole antenna.In reality
In the operating process of border, the direction in the L-type gap 104 on 4 monopole antennas is consistent, it is possible thereby to so that antenna mechanism
Electromagnetic wave field is evenly distributed in space, is further ensured that the circular polarization characteristics of antenna mechanism.Yet further, the monopole
The relative bandwidth of antenna may belong to 10% to 20% bandwidth range, it is possible thereby to ensure that antenna mechanism has high-quality broadband
Communication performance.As a preferred embodiment, the relative bandwidth of the monopole antenna can be specially 15%.
Phase shift feeding network 103, it is arranged on the antenna substrate, to be fed for four monopole antennas, and
The phase shift feeding network is mutually orthogonal for the current feed phase of each monopole antenna, is given respectively by the phase shift feeding network
Four first antennas feed, and respectively corresponding to current feed phase it is orthogonal, it is possible thereby to so that antenna in the embodiment of the present application
Realize circular polarization characteristics.
In the embodiment of the present application, also there is the monopole antenna angle that will be close to adjacent monopoles sub-antenna side to be cut out
The corner cut 106 formed afterwards, the relative distance between four monopole antennas thus can be not only caused to have what is further adjusted
Space, while corner cut 106 can also make to couple reduction between four monopole antennas, so as to avoid four respective feedbacks of monopole antenna
Couple too strong between electricity point and make the gain reduction of circular polarized antenna, therefore the technical scheme in the embodiment of the present application also has raising
The technique effect of the gain of circular polarized antenna.
Yet further, in the technical scheme of the embodiment of the present application, it is oppositely arranged in four first antennas 102
The distance between two first antennas 102 belong to pre-determined distance scope, so that four first antennas 102 are surrounded with default
The hollow gap 105 of area, and be additionally provided with the hollow gap 105 different from the frequency of the first antenna 102
Second antenna, it is possible thereby to will not additionally increase the overall dimensions of antenna on the basis of multifrequency Shared aperture function is realized, ensure
Antenna has the characteristic of miniaturization.
It is pointed out that it is additionally provided with metal on the first surface of the antenna substrate of the embodiment of the present application
Layer.
As can be seen here, the technical scheme in the embodiment of the present application by antenna substrate set four it is mutually orthogonal two-by-two
Rectangle first antenna, and phase shift feeding network is additionally provided with the antenna substrate, is four monopole antennas
Feed and current feed phase is mutually orthogonal, pass through the feed mould that four first antennas and current feed phase of orthogonal setting are mutually orthogonal
Formula and realize antenna circular polarisation, and miniaturization and the height of antenna mechanism are ensure that by each part set-up mode of antenna mechanism
The technique effect of gain performance.
Although having been described for the preferred embodiment of the application, those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the application scope.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the application to the application
God and scope.Further, each method and step in technical scheme can overturn, and convert sequencing and still fall
Enter in the invention scope that the application is covered.So, if these modifications and variations of the application belong to the application claim
And its within the scope of equivalent technologies, then the application is also intended to comprising including these changes and modification.
Claims (10)
- A kind of 1. antenna mechanism, it is characterised in that including：Antenna substrate；Four first antennas, the first antenna is rectangle, and is orthogonally set two-by-two in the first table of the antenna substrate On face；Phase shift feeding network, it is arranged on the antenna substrate, to be fed for four monopole antennas, and the phase shift Feeding network is mutually orthogonal for the current feed phase of each monopole antenna.
- 2. antenna mechanism as claimed in claim 1, it is characterised in that the first antenna is monopole antenna.
- 3. antenna mechanism as claimed in claim 2, it is characterised in that L-type gap is provided with the monopole antenna.
- 4. antenna mechanism as claimed in claim 2, it is characterised in that the relative bandwidth of the monopole antenna belong to 10% to 20% bandwidth range.
- 5. antenna mechanism as claimed in claim 4, it is characterised in that the relative bandwidth of the monopole antenna is specially 15%.
- 6. antenna mechanism as claimed in claim 2, it is characterised in that the monopole antenna, which has, will be close to adjacent monopoles The corner cut that the angle of antenna side is formed after being cut out.
- 7. antenna mechanism as claimed in claim 1, it is characterised in that two be oppositely arranged in four first antennas The distance between first antenna belongs to pre-determined distance scope, so that four first antennas are surrounded with the hollow of preset area Gap.
- 8. antenna mechanism as claimed in claim 7, it is characterised in that be additionally provided with the second antenna in the hollow gap.
- 9. antenna mechanism as claimed in claim 8, it is characterised in that the frequency of second antenna and the first antenna Frequency is different.
- 10. antenna mechanism as claimed in claim 1, it is characterised in that on the first surface of the antenna substrate also It is provided with metal level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710704854.1A CN107565226A (en) | 2017-08-17 | 2017-08-17 | A kind of antenna mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710704854.1A CN107565226A (en) | 2017-08-17 | 2017-08-17 | A kind of antenna mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107565226A true CN107565226A (en) | 2018-01-09 |
Family
ID=60974624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710704854.1A Pending CN107565226A (en) | 2017-08-17 | 2017-08-17 | A kind of antenna mechanism |
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| Country | Link |
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| CN (1) | CN107565226A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037937A (en) * | 2018-08-06 | 2018-12-18 | 北方工业大学 | Wide-beam circularly polarized antenna applied to satellite positioning |
| CN110690559A (en) * | 2019-10-16 | 2020-01-14 | 北京电子工程总体研究所 | Satellite-borne conformal measurement and control antenna |
| CN111682303A (en) * | 2020-05-09 | 2020-09-18 | 四川九洲电器集团有限责任公司 | Common-aperture full-airspace coverage antenna |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4958165A (en) * | 1987-06-09 | 1990-09-18 | Thorm EMI plc | Circular polarization antenna |
| CN106532278A (en) * | 2016-11-17 | 2017-03-22 | 华南理工大学 | Anti-multipath-interference broadband low-axial-ratio GNSS antenna |
-
2017
- 2017-08-17 CN CN201710704854.1A patent/CN107565226A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4958165A (en) * | 1987-06-09 | 1990-09-18 | Thorm EMI plc | Circular polarization antenna |
| CN106532278A (en) * | 2016-11-17 | 2017-03-22 | 华南理工大学 | Anti-multipath-interference broadband low-axial-ratio GNSS antenna |
Non-Patent Citations (1)
| Title |
|---|
| JIANJUN WU ET AL.: "Broadband Circularly Polarized Patch Antenna With Parasitic Strips", 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037937A (en) * | 2018-08-06 | 2018-12-18 | 北方工业大学 | Wide-beam circularly polarized antenna applied to satellite positioning |
| CN110690559A (en) * | 2019-10-16 | 2020-01-14 | 北京电子工程总体研究所 | Satellite-borne conformal measurement and control antenna |
| CN111682303A (en) * | 2020-05-09 | 2020-09-18 | 四川九洲电器集团有限责任公司 | Common-aperture full-airspace coverage antenna |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Zhihui Inventor after: Guo Fanyu Inventor after: Yan Wei Inventor after: Zhao Guohua Inventor before: Guo Fanyu Inventor before: Yan Wei Inventor before: Chen Zhihui Inventor before: Zhao Guohua |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20180109 |