CN109560380A - A kind of wide band high-gain antenna applied to satellite navigation terminal - Google Patents
A kind of wide band high-gain antenna applied to satellite navigation terminal Download PDFInfo
- Publication number
- CN109560380A CN109560380A CN201811603021.7A CN201811603021A CN109560380A CN 109560380 A CN109560380 A CN 109560380A CN 201811603021 A CN201811603021 A CN 201811603021A CN 109560380 A CN109560380 A CN 109560380A
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- China
- Prior art keywords
- radiation patch
- slab
- corner cut
- wide band
- satellite navigation
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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
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/185—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces wherein the surfaces are plane
Abstract
The present invention relates to wireless communication technology fields, it is related to a kind of wide band high-gain antenna applied to satellite navigation terminal, including being located at the first layer dielectric-slab of upside and positioned at the second layer dielectric-slab of downside, the upper side of the first layer dielectric-slab and the downside of second layer dielectric-slab are equipped with reflecting plate respectively, four sides on the upside of the reflecting plate of first layer dielectric-slab are respectively arranged with L-type parasitic radiation patch, corner cut radiation patch is provided in the region that four L-type parasitic radiation patches surround, the back side of the L-type parasitic radiation patch is respectively arranged with the first grounding probe across second medium plate, the back side of the corner cut radiation patch is provided with the second grounding probe and coaxial feeder, the lower end of second grounding probe is each passed through second medium plate, the lower end of the coaxial feeder is pierced by second medium plate and reflecting plate simultaneously It is provided with sub-miniature A connector.It is adjusted by the radiation mode of slot-coupled and grounding probe with surrounding L-type parasitic patch so that the bandwidth and radiance of antenna are substantially improved.
Description
Technical field
The present invention relates to wireless communication technology fields, are related to a kind of wide band high-gain day applied to satellite navigation terminal
Line.
Background technique
For the GPS antenna of prior art design mainly based on microstrip antenna, the design of conventional microstrip antenna uses rectangle spoke
Patch is penetrated as major radiator, impedance is reached to the mode of patch corner cut or addition minor matters using coaxial line direct feed
Matching, size, the shape of radiation patch not only determine the frequency point of work, but also are also relate to the impedance matching of antenna entirety,
Radiation efficiency and circular polarisation effect to antenna have a significant impact, and bandwidth is smaller, it usually needs by corner cut and increase minor matters
Mode carry out impedance matching, bandwidth suffers from limitation.
Summary of the invention
The purpose of the present invention is to provide a kind of wide band high-gain antenna applied to satellite navigation terminal, by with surrounding
The slot-coupled of parasitic patch and the radiation mode of grounding probe adjust so that the bandwidth and radiance of antenna are substantially improved.
Technical program of the present invention lies in: a kind of wide band high-gain antenna applied to satellite navigation terminal, including be located at
The first layer dielectric-slab of upside and second layer dielectric-slab positioned at downside, the upper side and the second layer of the first layer dielectric-slab are situated between
The downside of scutum is equipped with reflecting plate respectively, and four on the upside of the reflecting plate of first layer dielectric-slab side is respectively arranged with
L-type parasitic radiation patch is provided with corner cut radiation patch, the L-type in the region that four L-type parasitic radiation patches surround
The back side of parasitic radiation patch is respectively arranged with the first grounding probe across second medium plate, the back of the corner cut radiation patch
Face is provided with the second grounding probe and coaxial feeder, and the lower end of second grounding probe is each passed through second medium plate, described
The lower end of coaxial feeder is pierced by second medium plate and reflecting plate and is provided with sub-miniature A connector.
Further, the dielectric constant of the first medium plate and second medium plate is 2.55, tangent loss 0.002,
Plate thickness is 1mm.
Further, the wire length of the L-type parasitic radiation patch two sides is respectively 50mm and 20mm, and the width of wire length
It is 12mm, the coupling gap of the L-type parasitic radiation patch and corner cut radiation patch is 1mm.
Further, the side length of the corner cut radiation patch is 58mm, a length of 27mm of incisal angle edge, in corner cut radiation patch
Portion is provided with the fluting of 4mm × 20mm along its length.
Further, the coupling radiating surface of first, second grounding probe and first medium plate and second medium plate point
Not Wei radius 1mm circle.
Further, the distance between the second grounding probe in the corner cut radiation patch and coaxial feeder are 18mm,
Second grounding probe and coaxial feeder are connected to respective coupling radiating surface and size is the circle that radius is 2mm and 2.8mm respectively.
Compared with prior art, the invention has the following advantages that
1. couple feed, which adds grounding probe to coordinate radiation mode, is more advantageous to adjustment compared with traditional coaxial line direct feed
The impedance matching of antenna, energy pass through slot-coupled to upper radiator, so that bandwidth range further expands；
2. L-type parasitic radiation patch, compared with individual micro-strip corner cut patch, arriving for the circular polarisation effect of antenna is further excellent
Change, the coupled capacitor that gap generates can compensate for the inductance of feeder line, to reach better resonance effect, improve the spoke of antenna
Efficiency and gain are penetrated, is conducive to generate good circular polarisation effect；
3. grounding probe, which compared with the parasitic patch that probe is not added, coordinates radiation mode, is more conducive to adjustment impedance matching, make antenna
Axis ratio optimized, axis is more preferable than parameter.
Detailed description of the invention
Fig. 1 is the front view of gain antenna of the invention；
Fig. 2 is the schematic top plan view of first layer dielectric-slab of the invention；
Fig. 3 is the schematic top plan view of second layer dielectric-slab of the invention；
Fig. 4 is reflection coefficient simulation result diagram of the invention；
Fig. 5 is that axis of the invention compares simulation result diagram；
Fig. 6 is the face XOZ directional diagram of the invention；
Fig. 7 is 3D directional diagram of the invention；
In figure: 1- first layer dielectric-slab, 2- second layer dielectric-slab, 3- reflecting plate, the first grounding probe of 4- and coupling radiating surface circle,
The second grounding probe of 5- and coupling radiating surface circle, 6- coaxial feeder and coupling radiating surface circle, 7- corner cut radiation patch, 8-L type are posted
Raw radiation patch, 9-SMA connector, 10- fluting, the first grounding probe of 11-, the second grounding probe of 12-, 13- coaxial feeder.
Specific embodiment
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate attached drawing, make detailed
It is carefully described as follows, but the present invention is not limited thereto.
Referring to figs. 1 to Fig. 7
A kind of wide band high-gain antenna applied to satellite navigation terminal, including being located at the first layer dielectric-slab 1 of upside and being located at
The second layer dielectric-slab 2 of downside, the upper side of the first layer dielectric-slab and the downside of second layer dielectric-slab are equipped with respectively
Reflecting plate 3, four sides on the upside of the reflecting plate of first layer dielectric-slab are respectively arranged with L-type parasitic radiation patch 8, are located at
Corner cut radiation patch 7, the back side of the L-type parasitic radiation patch are provided in the region that four L-type parasitic radiation patches surround
It is respectively arranged with the first grounding probe 11 across second medium plate, the back side of the corner cut radiation patch is provided with the second short circuit
Probe 12 and coaxial feeder 13, the lower end of second grounding probe are each passed through second medium plate, under the coaxial feeder
End is pierced by second medium plate and reflecting plate and is provided with sub-miniature A connector 9.
In the present embodiment, the dielectric constant of the first medium plate and second medium plate is 2.55, and tangent loss is
0.002, plate thickness 1mm, air layer height are 14mm, overall dimension 130mm*130mm*16mm.
In the present embodiment, the wire length of the L-type parasitic radiation patch two sides is respectively 50mm and 20mm, and the width of wire length
Degree is 12mm, and the coupling gap of the L-type parasitic radiation patch and corner cut radiation patch is 1mm.
In the present embodiment, the corner cut radiation patch rectangle is formed after cutting four corners, and side length is 58mm, corner cut
Side length is 27mm, and corner cut radiation patch side length determines that the centre frequency of work, cooperation corner cut substantially generate circular polarisation effect.Corner cut
The middle part of radiation patch is provided with the fluting 10 of 4mm × 20mm along its length, so that patch size reduces.
In the present embodiment, the coupling radiating surface of first, second grounding probe and first medium plate and second medium plate
The respectively circle of radius 1mm.
In the present embodiment, the distance between the second grounding probe in the corner cut radiation patch and coaxial feeder are
18mm, the second grounding probe and coaxial feeder be connected to respective coupling radiating surface and size be respectively radius be 2mm and 2.8mm
Circle.
The foregoing is merely presently preferred embodiments of the present invention, for the ordinary skill in the art, according to this hair
Bright introduction designs various forms of wide band high-gain antennas applied to satellite navigation terminal and does not need creative labor
It is dynamic, without departing from the principles and spirit of the present invention all equivalent changes done according to scope of the present invention patent, repair
Change, replacement and variant, is all covered by the present invention.
Claims (6)
1. a kind of wide band high-gain antenna applied to satellite navigation terminal, which is characterized in that the first layer including being located at upside
Dielectric-slab and second layer dielectric-slab positioned at downside, the upper side of the first layer dielectric-slab and the downside of second layer dielectric-slab
It is equipped with reflecting plate respectively, four on the upside of the reflecting plate of first layer dielectric-slab side is respectively arranged with L-type parasitic radiation
Patch is provided with corner cut radiation patch, the L-type parasitic radiation patch in the region that four L-type parasitic radiation patches surround
The back side of piece is respectively arranged with the first grounding probe across second medium plate, and the back side of the corner cut radiation patch is provided with
Two grounding probes and coaxial feeder, the lower end of second grounding probe are each passed through second medium plate, the coaxial feeder
Lower end is pierced by second medium plate and reflecting plate and is provided with sub-miniature A connector.
2. a kind of wide band high-gain antenna applied to satellite navigation terminal according to claim 1, which is characterized in that institute
The dielectric constant for stating first medium plate and second medium plate is 2.55, tangent loss 0.002, plate thickness 1mm.
3. a kind of wide band high-gain antenna applied to satellite navigation terminal according to claim 1, which is characterized in that institute
The wire length for stating L-type parasitic radiation patch two sides is respectively 50mm and 20mm, and the width of wire length is 12mm, and the L-type is posted
The coupling gap of raw radiation patch and corner cut radiation patch is 1mm.
4. a kind of wide band high-gain antenna applied to satellite navigation terminal according to claim 1,2 or 3, feature exist
In the side length of the corner cut radiation patch is 58mm, and a length of 27mm of incisal angle edge, the middle part of corner cut radiation patch is set along its length
It is equipped with the fluting of 4mm × 20mm.
5. a kind of wide band high-gain antenna applied to satellite navigation terminal according to claim 1, which is characterized in that institute
The coupling radiating surface for stating the first, second grounding probe and first medium plate and second medium plate is respectively the circle of radius 1mm.
6. a kind of wide band high-gain antenna applied to satellite navigation terminal according to claim 1, which is characterized in that institute
Stating the distance between the second grounding probe and coaxial feeder in corner cut radiation patch is 18mm, the second grounding probe and coaxial feed
Line is connected to respective coupling radiating surface and size is the circle that radius is 2mm and 2.8mm respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811603021.7A CN109560380A (en) | 2018-12-26 | 2018-12-26 | A kind of wide band high-gain antenna applied to satellite navigation terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811603021.7A CN109560380A (en) | 2018-12-26 | 2018-12-26 | A kind of wide band high-gain antenna applied to satellite navigation terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109560380A true CN109560380A (en) | 2019-04-02 |
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ID=65871260
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811603021.7A Pending CN109560380A (en) | 2018-12-26 | 2018-12-26 | A kind of wide band high-gain antenna applied to satellite navigation terminal |
Country Status (1)
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| CN (1) | CN109560380A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265779A (en) * | 2019-07-23 | 2019-09-20 | 福州大学 | A kind of high low elevation gain satellite navigation terminal antennae of diesis shape broadband |
| CN112803165A (en) * | 2020-12-30 | 2021-05-14 | 无锡国芯微电子系统有限公司 | Novel broadband single-layer patch antenna |
| CN114709609A (en) * | 2022-05-05 | 2022-07-05 | 杭州电子科技大学 | Circularly polarized microstrip antenna with low-profile, high-gain and wide-axial-ratio wave beams |
| CN116845556A (en) * | 2023-08-08 | 2023-10-03 | 广州博远装备科技有限公司 | Broadband low-axial-ratio missile-borne antenna |
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| CN106299673A (en) * | 2016-11-08 | 2017-01-04 | 中国电子科技集团公司第二十研究所 | A kind of small sized wide-band circular polarized antenna |
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| CN108075226A (en) * | 2016-11-15 | 2018-05-25 | 南京濠暻通讯科技有限公司 | A kind of miniature antenna for 5G mobile communication |
| CN209344313U (en) * | 2018-12-26 | 2019-09-03 | 国网思极神往位置服务（北京）有限公司 | Circular polarization microstrip antenna based on couple feed |
| CN114883818A (en) * | 2022-03-28 | 2022-08-09 | 南京邮电大学 | Low-coupling dual-frequency dual-radiation directional pattern antenna |
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| KR101174739B1 (en) * | 2011-08-17 | 2012-08-17 | 황도인 | Dual patch antenna |
| CN203134984U (en) * | 2012-11-20 | 2013-08-14 | 安徽四创电子股份有限公司 | High-performance small-sized circular polarized microstrip antenna |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265779A (en) * | 2019-07-23 | 2019-09-20 | 福州大学 | A kind of high low elevation gain satellite navigation terminal antennae of diesis shape broadband |
| CN110265779B (en) * | 2019-07-23 | 2024-02-06 | 福州大学 | Dual-cross broadband high-low elevation gain satellite navigation terminal antenna |
| CN112803165A (en) * | 2020-12-30 | 2021-05-14 | 无锡国芯微电子系统有限公司 | Novel broadband single-layer patch antenna |
| CN114709609A (en) * | 2022-05-05 | 2022-07-05 | 杭州电子科技大学 | Circularly polarized microstrip antenna with low-profile, high-gain and wide-axial-ratio wave beams |
| CN116845556A (en) * | 2023-08-08 | 2023-10-03 | 广州博远装备科技有限公司 | Broadband low-axial-ratio missile-borne antenna |
| CN116845556B (en) * | 2023-08-08 | 2024-01-05 | 广州博远装备科技有限公司 | Broadband low-axial-ratio missile-borne antenna |
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