CN106299723A - Common reflector - Google Patents
Common reflector Download PDFInfo
- Publication number
- CN106299723A CN106299723A CN201610642981.9A CN201610642981A CN106299723A CN 106299723 A CN106299723 A CN 106299723A CN 201610642981 A CN201610642981 A CN 201610642981A CN 106299723 A CN106299723 A CN 106299723A
- Authority
- CN
- China
- Prior art keywords
- radiation patch
- feed port
- annular
- hole
- metal floor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- 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
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- 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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- Waveguide Aerials (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The invention provides a kind of common reflector, including: metal floor, the first radiation patch, first medium layer, second dielectric layer, the first feed port, annular feed band wire, the second radiation patch, the 3rd dielectric layer, the second feed port, it is connected with each other, constitute entirety, form two antenna elements.Two antenna elements share same bore, and two antenna elements can work with alien frequencies, it is also possible to frequency work.Another two antenna element can independently work, it is possible to selection diversity work or Signal averaging work when with frequency, as selective diversity, constant amplitude homophase or constant amplitude inversely add work, can improve the directional diagram distribution of entirety.The present invention is used for launching and receiving electromagnetic wave, its simple in construction, and occupation mode is flexible.
Description
Technical field
The invention belongs to the technical field of communication and monitoring aerial, be specifically related to common reflector, especially a kind of mouth altogether
The multiple antennas in footpath.
Background technology
In communication and radar, the unit of different frequency range or array often separated layout works respectively, and ensures enough
Isolation, but this makes the shared area of antenna very greatly, when working especially for same direction, causes the volume of system
Increase.If the antenna of different frequency range can be placed on same bore, the even antenna of the same frequency range of different mode work to put
At same actinal surface, as long as ensureing there is sufficiently high isolation, just can improve the integrated level of system, being greatly reduced the surface of system
Amass and volume.
Finding by literature search, " China's Space science and technology " in October, 2012, Liu Yang et al. has delivered " Ku/Ka double frequency
Shared aperture micro-strip array antenna is studied ", by using criss-cross Ku unit, and at Ku inter-cell layout Ka unit, it is achieved altogether
Bore array.Because two frequency range array elements are alternately distributed so that feed more complicated.
Summary of the invention
For defect of the prior art, it is an object of the invention to provide the common reflector of a kind of close-coupled.
According to the present invention provide a kind of common reflector, including metal floor, the first radiation patch, first medium layer,
Second dielectric layer, the first feed port, annular feed band wire, the second radiation patch, the 3rd dielectric layer, the second feed port;
Metal floor, first medium layer, annular feed band wire, second dielectric layer, the first radiation patch, the 3rd dielectric layer,
Second radiation patch sets gradually;
First feed port connects metal floor, annular feed band wire;
Second feed port connects metal floor, annular feed band wire, the first radiation patch.
Preferably, metal floor is provided with the first through hole, the second through hole;First through hole, the second through hole run through metal floor
Upper and lower surface;First medium layer it is coated with on metal floor;First medium layer is provided with third through-hole;Third through-hole runs through
The upper and lower surface of first medium layer;
Annular feeding microstrip line it is provided with on first medium layer;
It is provided with second dielectric layer on annular feed band wire;The first radiation patch it is coated with in second dielectric layer;First spoke
Penetrate and on paster, opened some gaps;
The 3rd dielectric layer it is provided with in first radiation patch;The second radiation patch it is coated with on third layer medium;
First feed port is provided in the coaxial feed port in the first through hole, the outer conductor of the first feed port and gold
Possession plate is connected, and the inner wire of the first feed port is connected with annular feeding microstrip line 6;
Second feed port is provided in the coaxial feed port in the second through hole and third through-hole, the second feed port
Outer conductor is connected with metal floor, annular feeding microstrip line, the first radiation patch, the inner wire of the second feed port and the second spoke
Penetrate paster to be connected.
Preferably, first medium layer is the same with metal floor area;Third through-hole and the second through hole match and are coaxially disposed.
Preferably, gap has four, and these four gaps are independent of one another, and divide around the first radiation patch central rotation symmetry
Cloth.
Preferably, the second radiation patch be shaped as being cut out the rectangle of two relative angles.
Preferably, gap be shaped as rectangle.
Preferably, annular feeding microstrip line is an annular microstrip line with opening;From annular feeding microstrip line upper
Side is seen, annular feeding microstrip line gradually or is piecemeal reduced by one end to other end width along clockwise direction.
Preferably, the inner wire of the first feed port is vertically connected with one end or the other end of annular feeding microstrip line
Preferably, the second radiation patch is positioned at the center of the first radiation patch.
Compared with prior art, the present invention has a following beneficial effect:
Overall structure of the present invention is simple, and two antenna elements share same bore, and two antenna elements can be with alien frequencies work
Make, it is also possible to frequency work.Two antenna elements can independently work, it is possible to selection diversity work or signal when with frequency
Superposition works, and as selective diversity, constant amplitude homophase or constant amplitude inversely add work, can improve the directional diagram distribution of entirety.
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:
Fig. 1 is the structure top view of the common reflector that the present invention provides.
Fig. 2 is the structural side view of the common reflector that the present invention provides.
Fig. 3 is the first feed port of the common reflector that the present invention provides, the second feed port return loss and isolation
Degree, wherein, the first feed port, the second feed port are designated as port 1, port 2 respectively.
Fig. 4 is the antenna pattern of the first feed port of the common reflector that the present invention provides.
Fig. 5 is the antenna pattern of the second feed port of the common reflector that the present invention provides.
In figure:
1-metal floor
2-the first radiation patch
3-first medium layer
4-second dielectric layer
5-the first feed port
6-annular feeding microstrip line
7-the second radiation patch
8-the 3rd dielectric layer
9-the second feed port
10-gap
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 invention provides a kind of common reflector, including: metal floor, the first radiation patch, first medium layer, second
Dielectric layer, the first feed port, annular feed band wire, the second radiation patch, the 3rd dielectric layer, the second feed port, interconnect mutually
Connect, constitute entirety, form two antenna elements.Two antenna elements share same bore, and two antenna elements can be with alien frequencies
Work, it is also possible to frequency work.Another two antenna element can independently work, it is possible to frequency time selection diversity work or
Signal averaging works, and as selective diversity, constant amplitude homophase or constant amplitude inversely add work, can improve the directional diagram distribution of entirety.
The present invention is used for launching and receiving electromagnetic wave, its simple in construction, and occupation mode is flexible.
As shown in Figure 1 and Figure 2, the present invention includes: metal floor 1, the first radiation patch 2, first medium layer 3, second medium
Layer 4, the first feed port 5, annular feed band wire 6, the second radiation patch 7, the 3rd dielectric layer 8, the second feed port 9.
Described metal floor 1 is the metal that area is bigger, and there is through hole centre.Described first medium layer 3 and metal floor 1
As Ji, being positioned at above metal floor 1, there is through hole centre.It is annular feed band wire 6 above first medium layer 3, annular feed
Being second dielectric layer 4 on band wire 6, the first radiation patch 2 is positioned at above second dielectric layer 4, is close to second dielectric layer 4, and described
Having opened four discrete gap 10 in one radiation patch 2, these four gaps 10 are symmetrical around the first radiation patch 2 central rotation.
Described annular feeding microstrip line 6 is the annular microstrip line of an opening, and width reduces piecemeal along clockwise direction, just
In with gap 10 impedance matching.
Described first feed port 5 is coaxial feed port, and the outer conductor of the first feed port 5 is connected with metal floor 1.
The inner wire of the first feed port 5 is cylinder lametta, the inner wire of the first feed port 5 and described annular feeding microstrip line
One end of 6 is vertically connected.
It is the 3rd dielectric layer 8 on the first radiation patch 2, is the second radiation patch on third layer medium 8
7, the second radiation patch cuts two corresponding angles.Second feed port 9 is coaxial feed port, outside the second feed port 9
Conductor and metal floor 1, annular feeding microstrip line 6 are connected, and upwardly extend and be connected with the first radiation patch 2.Described second feedback
The inner wire of electricity port 9 is the thin cylindrical wire of metal, and the inner wire of the second feed port 9 is connected with described second radiation patch 7.
First feed port 5 has encouraged 4 gaps 10 successively by annular feeding microstrip line 6, thus forms circular polarisation spoke
Ejected wave.Its far-field pattern is the cone that there is depression centre.Second feed port 9 directly encourages the second radiation patch 7, radiation
Circularly polarised wave, its far-field pattern is near hemispherical upwards.Owing to two feed port are the most completely isolated, Er Qie
Two radiation patch 7 are positioned at the center of the first radiation patch 2 so that the coupling between two radiation patch ports is the least, it is achieved that
Well isolation.
More specifically, in conjunction with the content of technical solution of the present invention, it is provided that following example:
Antenna full-size is diameter 20mm, highly 2mm (coaxial feed sub-miniature A connector height 10mm), correlation performance parameters
Result be: the S parameter of the antenna that the first feed port, the second feed port the two feed port feed respectively is at frequency domain
Curve, in 29.25GHz~29.5GHz, the S parameter of the first feed port is less than-10dB;At 29.205GHz~
In 29.581GHz, the S parameter of the second feed port is less than-10dB, minima to-34dB;In 28GHz~30GHz two-port
Isolation less than-28dB.During frequency 29.4GHz, the directional diagram of first antenna is turbination, the directional diagram class of the second antenna
Like the hemisphere of back-off, maximum direction is along antenna surface normal upward.
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 (9)
1. a common reflector, it is characterised in that include metal floor (1), the first radiation patch (2), first medium layer
(3), second dielectric layer (4), the first feed port (5), annular feed band wire (6), the second radiation patch (7), the 3rd dielectric layer
(8), the second feed port (9);
Metal floor (1), first medium layer (3), annular feed band wire (6), second dielectric layer (4), the first radiation patch (2),
3rd dielectric layer (8), the second radiation patch (7) set gradually;
First feed port (5) connects metal floor (1), annular feed band wire (6);
Second feed port (9) connects metal floor (1), annular feed band wire (6), the first radiation patch (2).
Common reflector the most according to claim 1, it is characterised in that metal floor (1) be provided with the first through hole, second
Through hole;First through hole, the second through hole run through the upper and lower surface of metal floor (1);It is coated with first medium on metal floor (1)
Layer (3);First medium layer (3) is provided with third through-hole;Third through-hole runs through the upper and lower surface of first medium layer (3);
Annular feeding microstrip line (6) it is provided with on first medium layer (3);
It is provided with second dielectric layer (4) in annular feed band wire (6);Second dielectric layer is coated with the first radiation patch on (4)
(2);Some gaps (10) have been opened in first radiation patch (2);
The 3rd dielectric layer (8) it is provided with in first radiation patch (2);Third layer medium is coated with the second radiation patch on (8)
(7);
First feed port (5) is provided in the coaxial feed port in the first through hole, the outer conductor of the first feed port (5) with
Metal floor (1) is connected, and the inner wire of the first feed port (5) is connected with annular feeding microstrip line (6);
Second feed port (9) is provided in the coaxial feed port in the second through hole and third through-hole, the second feed port (9)
Outer conductor and metal floor (1), annular feeding microstrip line (6), the first radiation patch (2) be connected, the second feed port (9)
Inner wire and the second radiation patch (7) are connected.
Common reflector the most according to claim 1, it is characterised in that first medium layer (3) and metal floor (1) area
Equally;Third through-hole and the second through hole match and are coaxially disposed.
Common reflector the most according to claim 1, it is characterised in that gap (10) have four, these four gaps (10)
Independently of one another, and symmetrical around the first radiation patch (2) central rotation.
Common reflector the most according to claim 1, it is characterised in that being shaped as of the second radiation patch (7) is cut out
The rectangle of two relative angles.
Common reflector the most according to claim 1, it is characterised in that gap (10) be shaped as rectangle.
Common reflector the most according to claim 1, it is characterised in that annular feeding microstrip line (6) is one to be had out
The annular microstrip line of mouth;From annular feeding microstrip line (6) top in terms of, annular feeding microstrip line (6) by one end to other end edge
Width gradually or piecemeal reduces clockwise.
Common reflector the most according to claim 7, it is characterised in that the inner wire of the first feed port (5) and annular
One end or the other end of feeding microstrip line (6) are vertically connected.
Common reflector the most according to claim 1, it is characterised in that the second radiation patch (7) is positioned at the first radiation patch
The center of sheet (2).
Priority Applications (1)
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CN201610642981.9A CN106299723A (en) | 2016-08-08 | 2016-08-08 | Common reflector |
Applications Claiming Priority (1)
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CN201610642981.9A CN106299723A (en) | 2016-08-08 | 2016-08-08 | Common reflector |
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CN201610642981.9A Pending CN106299723A (en) | 2016-08-08 | 2016-08-08 | Common reflector |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108808233A (en) * | 2018-06-06 | 2018-11-13 | 深圳市深大唯同科技有限公司 | A kind of high-gain broadband dual-polarized patch antenna |
CN110233329A (en) * | 2019-05-10 | 2019-09-13 | 电子科技大学 | A kind of miniaturization high-isolation common reflector based on structure multiplexing |
CN110690570A (en) * | 2019-10-18 | 2020-01-14 | Oppo广东移动通信有限公司 | Millimeter wave antenna and electronic device |
CN112332115A (en) * | 2020-10-28 | 2021-02-05 | 北京机电工程研究所 | Multi-mode multifunctional communication navigation common-caliber integrated antenna |
CN112582787A (en) * | 2019-09-30 | 2021-03-30 | 华为技术有限公司 | Antenna structure and electronic equipment |
CN112751178A (en) * | 2019-10-29 | 2021-05-04 | 北京小米移动软件有限公司 | Antenna unit, array antenna and electronic equipment |
CN113097718A (en) * | 2021-03-04 | 2021-07-09 | 西安交通大学 | Dual-frequency dual-circular-polarization common-caliber antenna for satellite communication |
CN114865324A (en) * | 2022-04-11 | 2022-08-05 | 北京机电工程研究所 | Small-sized transmitting-receiving common-caliber high-isolation high-temperature antenna |
WO2022252028A1 (en) * | 2021-05-31 | 2022-12-08 | 华为技术有限公司 | Antenna, detection apparatus, and terminal |
CN115548679A (en) * | 2022-11-29 | 2022-12-30 | 广东工业大学 | Dual-frequency common-caliber antenna for communication system |
CN117810687A (en) * | 2024-02-29 | 2024-04-02 | 成都瑞迪威科技有限公司 | Structure multiplexing large-frequency-ratio double-frequency common-caliber antenna |
CN117810687B (en) * | 2024-02-29 | 2024-05-24 | 成都瑞迪威科技有限公司 | Structure multiplexing large-frequency-ratio double-frequency common-caliber antenna |
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Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108808233A (en) * | 2018-06-06 | 2018-11-13 | 深圳市深大唯同科技有限公司 | A kind of high-gain broadband dual-polarized patch antenna |
CN108808233B (en) * | 2018-06-06 | 2024-01-30 | 中天宽带技术有限公司 | High-gain broadband dual-polarized patch antenna |
CN110233329A (en) * | 2019-05-10 | 2019-09-13 | 电子科技大学 | A kind of miniaturization high-isolation common reflector based on structure multiplexing |
CN110233329B (en) * | 2019-05-10 | 2020-12-29 | 电子科技大学 | Small-sized high-isolation common-caliber antenna based on structural multiplexing |
CN112582787A (en) * | 2019-09-30 | 2021-03-30 | 华为技术有限公司 | Antenna structure and electronic equipment |
WO2021063094A1 (en) * | 2019-09-30 | 2021-04-08 | 华为技术有限公司 | Antenna structure and electronic device |
CN112582787B (en) * | 2019-09-30 | 2022-04-22 | 华为技术有限公司 | Antenna structure and electronic equipment |
US11973278B2 (en) | 2019-09-30 | 2024-04-30 | Huawei Technologies Co., Ltd. | Antenna structure and electronic device |
CN110690570A (en) * | 2019-10-18 | 2020-01-14 | Oppo广东移动通信有限公司 | Millimeter wave antenna and electronic device |
CN110690570B (en) * | 2019-10-18 | 2021-06-22 | Oppo广东移动通信有限公司 | Millimeter wave antenna and electronic device |
CN112751178A (en) * | 2019-10-29 | 2021-05-04 | 北京小米移动软件有限公司 | Antenna unit, array antenna and electronic equipment |
CN112332115B (en) * | 2020-10-28 | 2024-05-03 | 北京机电工程研究所 | Multi-mode multifunctional communication navigation common-caliber integrated antenna |
CN112332115A (en) * | 2020-10-28 | 2021-02-05 | 北京机电工程研究所 | Multi-mode multifunctional communication navigation common-caliber integrated antenna |
CN113097718B (en) * | 2021-03-04 | 2022-07-12 | 西安交通大学 | Dual-frequency dual-circular-polarization common-caliber antenna for satellite communication |
CN113097718A (en) * | 2021-03-04 | 2021-07-09 | 西安交通大学 | Dual-frequency dual-circular-polarization common-caliber antenna for satellite communication |
WO2022252028A1 (en) * | 2021-05-31 | 2022-12-08 | 华为技术有限公司 | Antenna, detection apparatus, and terminal |
CN114865324A (en) * | 2022-04-11 | 2022-08-05 | 北京机电工程研究所 | Small-sized transmitting-receiving common-caliber high-isolation high-temperature antenna |
CN115548679A (en) * | 2022-11-29 | 2022-12-30 | 广东工业大学 | Dual-frequency common-caliber antenna for communication system |
CN117810687A (en) * | 2024-02-29 | 2024-04-02 | 成都瑞迪威科技有限公司 | Structure multiplexing large-frequency-ratio double-frequency common-caliber antenna |
CN117810687B (en) * | 2024-02-29 | 2024-05-24 | 成都瑞迪威科技有限公司 | Structure multiplexing large-frequency-ratio double-frequency common-caliber antenna |
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