CN106785409A - A kind of broadband and wide beamwidth micro-strip paster antenna - Google Patents
A kind of broadband and wide beamwidth micro-strip paster antenna Download PDFInfo
- Publication number
- CN106785409A CN106785409A CN201710067381.9A CN201710067381A CN106785409A CN 106785409 A CN106785409 A CN 106785409A CN 201710067381 A CN201710067381 A CN 201710067381A CN 106785409 A CN106785409 A CN 106785409A
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- radiating element
- strip
- metallic cavity
- dielectric
- slab
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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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- 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
Abstract
The present invention provides a kind of double-deck micro-strip paster antenna.Technical scheme is：Including metallic cavity, ground floor radiating element, second layer radiating element and strip line work(point feed section.Metallic cavity is uncovered rectangular structure, and ground floor radiating element, second layer radiating element and strip line work(point feed section are in turn secured to inside metallic cavity from top to bottom, and parallel with metallic cavity bottom surface respectively；Ground floor radiating element covers the dielectric-slab of copper using one side, equivalent to the top conductor paster of micro-strip paster antenna；Second layer radiating element, equivalent to lower floor's conductor patch of micro-strip paster antenna, is provided with two through holes using the dielectric-slab of double-sided copper-clad on dielectric-slab, two probes are each passed through two through holes；Strip line work(point feed section is the power splitter of strip lines configuration, is fixed on the bottom surface of metallic cavity.The characteristics of present invention has bandwidth, wave beam wide, circular polarisation, can be applied to in star communication system.
Description
Technical field
In particular it is that one kind has double-deck knot the present invention relates to a kind of antenna for being applied to technical field of satellite communication
The micro-strip paster antenna of structure.
Background technology
Propose that the concept of microstrip antenna has the development of more than 60 years so far from nineteen fifty-three moral still (G.A.Deschamps) professor
History.First practical micro-strip was developed in 1972 from awns gloomy (R.E.Munson) and Howell (J.Q.Howell) et al.
Antenna, form, the function of microstrip antenna constantly extend and extend in this decades.At present, microstrip antenna has been widely used
In the various wireless devices on the broad frequency domain of about 100MHz~100GHz, including military and civilian field, it is such as various
The equipment such as radar, communication, remote measurement and remote sensing.
Micro-strip paster antenna is most basic and the most frequently used microstrip antenna, and it is typically to distinguish on two surfaces of dielectric-slab
Patch plus conductor sheet are formed., used as conductor patch, another side is used as earth plate for the one side of dielectric-slab.Micro-strip paster antenna is using micro-
Band line or the class feeder line of coaxial line one feed.Radio frequency electromagnetic field has been encouraged between conductor patch and earth plate, and by conductor patch
Gap between surrounding and earth plate is to external radiation.
The unique advantage major embodiment of micro-strip paster antenna is in the following areas：
(1) section is low, small volume, lightweight, easily conformal with installation surface；
(2) it is easily integrated with feeding network, realize the miniaturization of whole system；
(3) various polarization modes, including single linear polarization, dual-linear polarization and circular polarisation can be realized；
(4) broadband, double frequency or multiple-frequency operation can be realized；
(5) made using etch process on microwave base plate, it is possible to use ripe printed circuit technique batch production, plus
Work is easy, with low cost.
In recent years, micro-strip paster antenna remained the study hotspot of field of antenna, and broadband, broad beam and array
Industry extensive concern is still subject to Deng research.
The content of the invention
It is an object of the invention to provide a kind of broadband and wide beamwidth micro-strip paster antenna, this micro-strip paster antenna realizes frequency
Bandwidth, wave beam are wide, circular polarisation the characteristics of, can be applied to in star communication system.
The technical scheme is that：A kind of double-deck micro-strip paster antenna, including metallic cavity 1, ground floor radiating element
2nd, second layer radiating element 3 and strip line work(point feed section 4.Characterized in that, metallic cavity 1 is uncovered rectangular structure,
Ground floor radiating element 2, second layer radiating element 3 and strip line work(point feed section 4 are in turn secured to wire chamber from top to bottom
It is inside body 1 and parallel with the bottom surface of metallic cavity 1 respectively；Ground floor radiating element 2 covers the dielectric-slab 21 of copper using one side, covers copper
Face 22 is located at dielectric-slab lower surface, equivalent to the top conductor paster of micro-strip paster antenna；Second layer radiating element 3 is using two-sided
Cover the dielectric-slab 31 of copper, lower floor conductor patch of the copper face 32 equivalent to micro-strip paster antenna, dielectric-slab are covered in dielectric-slab upper surface
The copper face 33 that covers of lower surface is earth plate, and two through holes are provided with dielectric-slab, and two probes 34 are each passed through two through holes, one end
It is connected with the copper face 32 that covers of the upper surface of second layer radiating element 3, the other end divides the feeding network of feed section 4 with strip line work(
42 connections；Strip line work(point feed section 4 is the power splitter of strip lines configuration, is fixed on the bottom surface of metallic cavity 1, strip line
The feeding network 42 of one end connection strip line work(point feed section 4 of the coaxial feed joint 45 of work(point feed section 4, the other end
External feed line is connected by the bottom surface through hole of metallic cavity 1.
Particularly, property of the distance of ground floor radiating element 2 and second layer radiating element 3 according to double-deck micro-strip paster antenna
Can index determine, typically in the corresponding free space wavelength of 0.05 to 0.1 double-deck micro-strip paster antenna centre frequency.
Beneficial effects of the present invention are：
The present invention provide all parts of antenna in metallic cavity, so compact conformation.Ground floor radiating element,
Two layers of radiating element and strip line work(point feed section are all securely fixed in metallic cavity, therefore satisfactory mechanical property；It is logical
Cross vibration test also demonstrate the present invention be unlikely to deform, the mechanical performance of firm stable.Due to using double-deck irradiation structure, that is, wrapping
Ground floor radiating element, second layer radiating element are included, therefore with impedance frequency band characteristic wider, relative bandwidth can reach
30%；Radiating element is surrounded using metallic cavity reduces antenna equivalent radiated power bore, widened radiation beam so that
The beam angle of main circularly polarised wave 0dBi gains can reach 140 °；Another aspect metallic cavity shield perimeter ambient influnence, suppresses
Backward radiation, improves antenna efficiency.
Brief description of the drawings
Fig. 1 is overall structure outside drawing of the invention；
Fig. 2 is the cross-sectional view of the line of symmetry A-A ' along Fig. 1 of the invention；
Fig. 3 is the metallic cavity referred in the present invention, i.e. the perspective structure schematic diagram of metallic cavity 1 in Fig. 1,；
Fig. 4 is the independent structure schematic diagram of the two-layer radiating element 2,3 referred in the present invention；
Fig. 5 is the independent structure schematic diagram of strip line work(point feed section 4 referred in the present invention.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
The microstrip antenna that the present invention is provided includes metallic cavity 1, and two-layer radiating element is：Ground floor radiating element 2 and
Two layers of radiating element 3, strip line work(point feed section 4.
Fig. 1 is overall structure outside drawing of the invention.From the figure, it can be seen that metallic cavity 1 is the cuboid of supreme lid.
The embodiment of this figure because the overall volume of corner cut aft antenna reduces, and can be kept away using a cuboid for surrounding corner cut
Exempt from surrounding to touch.Whether corner cut can be according to practical situations depending on, the performance of corner cut aft antenna is unaffected.
Fig. 2 is the cross-sectional view of the line of symmetry A-A ' along shown in Fig. 1 of the invention.Line of symmetry A-A ' is by rectangular
Plane where the constitution heart.As illustrated, the antenna includes metallic cavity 1, ground floor radiating element 2 and second layer radiating element 3,
Strip line work(point feed section 4.
Metallic cavity 1 in the present embodiment includes cuboid cavity 11, fixture 12,13 and the bottom hole 14 of supreme lid,
As shown in Figure 3.Cuboid cavity 11 can be made using the metal material such as aluminium alloy, fixture 12,13 can using metal or other
Lightweight material, the inwall of cavity 11 is fixed on by screw, and fixture 12,13 is located at four of cuboid cavity 11 in the embodiment
Corner cut inner side；The bottom surface opened hole 14 of cavity 11 so that coaxial feed joint 45 may pass through through hole 14 and is connected with external feed line.
The dielectric-slab edge of ground floor radiating element 2 and the edge of the dielectric-slab of second layer radiating element 3 respectively with metal
The inwall laminating of cavity 1.Ground floor radiating element 2 covers steel structure for one side, including dielectric-slab 21 and lower surface cover copper face 22,
Structural representation as shown in Fig. 4-(a), covers upper strata paster of the copper face 22 as antenna in figure, it is shaped as circle, can be with root
Taken different shapes according to actual conditions.
Second layer radiating element 3 is double-sided copper-clad structure, including dielectric-slab 31, upper surface covers copper face 32 and lower surface
Copper face 33 is covered, wherein dielectric-slab 31 is provided with two through holes and enables that probe 34 connects antenna lower floor paster 32 and feeding network
42, such as shown in Fig. 4-(b).Copper face 32 is covered as antenna lower floor paster in upper surface shown in figure, and it is shaped as circle, can be with
Taken different shapes according to actual conditions.Lower surface covers copper face 33 as earth plate, its shape and dielectric-slab 31 surface phase
Together, it is herein the common knowledge of this area.
Strip line power splitter feed section 4, including two layer medium plate 41,43, cover copper face 44, feeding network 42 and coaxial feed
Electric connection 45, as shown in Figure 5.Two layer medium plate 41,43 is overlapped to be pressed together, the edge and metal of dielectric-slab 41,43
The inwall laminating of cavity 1, top dielectric plate 41 is provided with two through holes, and probe 34 is each passed through two through holes, one end of probe 34
It is connected with the copper face 32 that covers of the upper surface of second layer radiating element 3, the other end is connected with feeding network 42.Feeding network 42 passes through
Cover copper to be formed, be clipped in the middle of two layer medium plate 41,43, feeding network 42 can use Wilkinson power divider or 3dB bridge structures,
Wilkinson power divider structure is used in the present embodiment.The lower surface 44 of layer dielectric plate 43 covers copper entirely, used as earth plate.As schemed
Shown in 2, one end connection feeding network 42 of coaxial feed joint 45, the other end is connected by the bottom surface through hole of metallic cavity 1
External feed line.
In the present embodiment, metallic cavity 1 uses four corner cut structures, and the is fixed using fixtures are placed in four corner cuts
One layer of radiating element 2 and second layer radiating element 3, strip line work(point feed section 4.If not using corner cut structure or discomfort
With fixture, it is possible to use the part of other modes fixed antenna, ground floor is such as radiated into list by the way of L-type corner fittings
Unit 2, second layer radiating element 3 and strip line work(point feed section 4 are separately fixed in metallic cavity 1.
In the present embodiment, there is gap between fixed every group of fixture 12,13, as shown in figure 3, the gap width is the
One layer of medium plate thickness of radiating element 2, the corner of ground floor radiating element 2 is clipped in the gap between fixture 12,13 just
In, because fixture 12,13 has certain thickness, hence in so that the surrounding of ground floor radiating element 2 is firmly fixed.Fixture 13
Be spaced apart certain altitude gap with the bottom surface of metallic cavity 1, as shown in figure 3, the gap width be second layer radiating element 3 and
The gross thickness of strip line work(point feed section 4, second layer radiating element 3 is tight with the strip line work(point mounted on top of feed section 4
Laminating, is positioned over the bottom of metallic cavity 1, and corner is clipped in the gap between fixture 13 and the bottom surface of metallic cavity 1, passes through just
Fixture 13 blocks fixation with the bottom surface of metallic cavity 1.
By changing the medium board size and dielectric constant of ground floor radiating element 2, the dielectric-slab of second layer radiating element 3
Size and dielectric constant, and the parameter such as top conductor paster and lower floor's conductor patch size, can design with similar performance,
For the broadband and wide wave beam antenna of different frequency range.
Claims (2)
1. a kind of double-deck micro-strip paster antenna, including metallic cavity (1), ground floor radiating element (2), second layer radiating element
(3) and strip line work(point feed section (4), it is characterised in that metallic cavity (1) is uncovered rectangular structure, ground floor radiation
Unit (2), second layer radiating element (3) and strip line work(point feed section (4) are in turn secured to metallic cavity (1) from top to bottom
Inside, and it is parallel with metallic cavity (1) bottom surface respectively；Ground floor radiating element (2) is the dielectric-slab that one side covers copper, covers copper face
(22) positioned at dielectric-slab lower surface；Second layer radiating element (3) is the dielectric-slab of double-sided copper-clad, and dielectric-slab lower surface covers copper face
(33) be earth plate, be provided with two through holes on dielectric-slab, two probes (34) are each passed through two through holes, probe (34) one end with
The feed for covering copper face (32) connection, the other end and strip line work(point feed section (4) of the upper surface of second layer radiating element (3)
Network (42) is connected；Strip line work(point feed section (4) is the power splitter of strip lines configuration, is fixed on the bottom of metallic cavity (1)
On face, one end connection strip line work(point feed section (4) of the coaxial feed joint (45) of strip line work(point feed section (4)
Feeding network (42), the other end connects external feed line by the bottom surface through hole of metallic cavity (1).
2. a kind of double-deck micro-strip paster antenna according to claim 1, it is characterised in that ground floor radiating element (2) and
The distance of second layer radiating element (3) is in the corresponding free space wave of 0.05 to 0.1 double-deck micro-strip paster antenna centre frequency
It is long.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067381.9A CN106785409A (en) | 2017-02-07 | 2017-02-07 | A kind of broadband and wide beamwidth micro-strip paster antenna |
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|---|---|---|---|
| CN201710067381.9A CN106785409A (en) | 2017-02-07 | 2017-02-07 | A kind of broadband and wide beamwidth micro-strip paster antenna |
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| CN106785409A true CN106785409A (en) | 2017-05-31 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994341A (en) * | 2017-11-08 | 2018-05-04 | 湖北三江航天险峰电子信息有限公司 | A kind of antenna feed structure |
| CN108199135A (en) * | 2018-01-11 | 2018-06-22 | 中南大学 | OAM radio wave generation devices |
| CN108387877A (en) * | 2018-05-25 | 2018-08-10 | 中国人民解放军国防科技大学 | Moving target phase correction method of multi-input multi-output radar |
| CN108598690A (en) * | 2018-03-29 | 2018-09-28 | 广东通宇通讯股份有限公司 | Millimeter wave Massive mimo antennas unit and array antenna |
| CN108767474A (en) * | 2018-06-04 | 2018-11-06 | 中南大学 | Novel OAM wave beams generation device |
| CN109244650A (en) * | 2018-10-25 | 2019-01-18 | 苏州博海创业微系统有限公司 | Wide-beam circularly-polarizedmicrostrip microstrip antenna and array |
| WO2019029390A1 (en) * | 2017-08-08 | 2019-02-14 | 京信通信系统（中国）有限公司 | Microstrip radiating element and antenna thereof |
| CN109786937A (en) * | 2018-12-21 | 2019-05-21 | 西安电子科技大学 | A kind of small-sized ultra-wide wave beam back chamber Two -- Layer Microstrip Antenna and its large-angle scanning array |
| CN114267939A (en) * | 2021-12-16 | 2022-04-01 | 重庆两江卫星移动通信有限公司 | Circularly polarized satellite-borne antenna based on 3dB electric bridge and satellite-borne phased array |
| CN115441206A (en) * | 2022-09-28 | 2022-12-06 | 珠海中科慧智科技有限公司 | Lens antenna |
| CN117832829A (en) * | 2024-02-28 | 2024-04-05 | 长光卫星技术股份有限公司 | S-band double-layer microwave bandwidth beam antenna based on metal cavity |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019029390A1 (en) * | 2017-08-08 | 2019-02-14 | 京信通信系统（中国）有限公司 | Microstrip radiating element and antenna thereof |
| CN107994341A (en) * | 2017-11-08 | 2018-05-04 | 湖北三江航天险峰电子信息有限公司 | A kind of antenna feed structure |
| CN108199135A (en) * | 2018-01-11 | 2018-06-22 | 中南大学 | OAM radio wave generation devices |
| CN108598690A (en) * | 2018-03-29 | 2018-09-28 | 广东通宇通讯股份有限公司 | Millimeter wave Massive mimo antennas unit and array antenna |
| CN108598690B (en) * | 2018-03-29 | 2024-02-20 | 广东通宇通讯股份有限公司 | Millimeter wave Massive MIMO antenna unit and array antenna |
| CN108387877A (en) * | 2018-05-25 | 2018-08-10 | 中国人民解放军国防科技大学 | Moving target phase correction method of multi-input multi-output radar |
| CN108387877B (en) * | 2018-05-25 | 2020-03-13 | 中国人民解放军国防科技大学 | Moving target phase correction method of multi-input multi-output radar |
| CN108767474A (en) * | 2018-06-04 | 2018-11-06 | 中南大学 | Novel OAM wave beams generation device |
| CN108767474B (en) * | 2018-06-04 | 2020-12-18 | 中南大学 | Novel OAM wave beam generation device |
| CN109244650A (en) * | 2018-10-25 | 2019-01-18 | 苏州博海创业微系统有限公司 | Wide-beam circularly-polarizedmicrostrip microstrip antenna and array |
| CN109786937A (en) * | 2018-12-21 | 2019-05-21 | 西安电子科技大学 | A kind of small-sized ultra-wide wave beam back chamber Two -- Layer Microstrip Antenna and its large-angle scanning array |
| CN114267939A (en) * | 2021-12-16 | 2022-04-01 | 重庆两江卫星移动通信有限公司 | Circularly polarized satellite-borne antenna based on 3dB electric bridge and satellite-borne phased array |
| CN115441206A (en) * | 2022-09-28 | 2022-12-06 | 珠海中科慧智科技有限公司 | Lens antenna |
| CN117832829A (en) * | 2024-02-28 | 2024-04-05 | 长光卫星技术股份有限公司 | S-band double-layer microwave bandwidth beam antenna based on metal cavity |
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Application publication date: 20170531 |