CN105356045B - The high low elevation gain Big Dipper generation satellite navigation dual-mode antenna of broadband - Google Patents
The high low elevation gain Big Dipper generation satellite navigation dual-mode antenna of broadband Download PDFInfo
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- CN105356045B CN105356045B CN201510668571.7A CN201510668571A CN105356045B CN 105356045 B CN105356045 B CN 105356045B CN 201510668571 A CN201510668571 A CN 201510668571A CN 105356045 B CN105356045 B CN 105356045B
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- dielectric plate
- copper sheet
- layer
- circular copper
- top dielectric
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 title claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052802 copper Inorganic materials 0.000 claims abstract description 55
- 239000010949 copper Substances 0.000 claims abstract description 55
- 230000008878 coupling Effects 0.000 claims abstract description 25
- 238000010168 coupling process Methods 0.000 claims abstract description 25
- 238000005859 coupling reaction Methods 0.000 claims abstract description 25
- 239000000523 sample Substances 0.000 claims abstract description 19
- 230000005855 radiation Effects 0.000 claims abstract description 12
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Abstract
The present invention relates to a kind of high low elevation gain Big Dipper generation satellite navigation dual-mode antenna of broadband, circular copper sheet and four grounded rectangle copper sheet are coupled including two layer medium plate, two, the lower surface of top dielectric plate is provided with aerial radiation paster, the upper surface of layer dielectric plate is provided with earth plate, the lower surface of layer dielectric plate is provided with feeding network, top dielectric plate is fixed with layer dielectric plate by plastic screw column, and the air layer of certain altitude is provided between top dielectric plate and layer dielectric plate；Two circular copper sheets of coupling are arranged in air layer and parallel to dielectric-slab, and the circle centre position for coupling circular copper sheet is equipped with distributing point, and distributing point is connected by feed probes with feeding network；Four grounded rectangle copper sheet is attached at the surrounding of antenna respectively, ground connection rectangle copper sheet wherein while being connected with earth plate.The present invention on the basis of possessing dual frequency characteristics, have section it is low, with roomy, wave beam it is wide low with cost the advantages of, Beidou navigation terminal device can be advantageously applied to.
Description
Technical field
The present invention relates to a Big Dipper generation to receive and dispatch band satellite navigation antenna, particularly a kind of high low elevation gain north of broadband
Struggle against generation satellite navigation dual-mode antenna.
Background technology
Beidou satellite navigation system is the global positioning satellite and communication system by China's independent research, with big-dipper satellite
The progressively foundation of navigation system and perfect, positioning and the communication technology based on Beidou satellite navigation system are developing rapidly,
Penetrate into every field and be widely used in the related applications such as military affairs, traffic, water conservancy, rescue and relief work.In the market one
A little multifrequency antennas use the design of stepped construction, and antenna section is larger so as to increasing the volume of navigation terminal equipment；It is more
The shortcomings that axial ratio bandwidth is small be present using single-point feedback in a couple of days line；Big multiple antennas on the market does not consider low elevation gain specially
Design, the wave beam of antenna is not wide enough.
The content of the invention
In view of this, the purpose of the present invention is to propose to a kind of high low elevation gain Big Dipper generation satellite navigation transmitting-receiving of broadband
Antenna, have section it is low, with roomy and wave beam it is wide the advantages of.
The present invention is realized using following scheme：A kind of high low elevation gain Big Dipper generation satellite navigation transmitting-receiving day of broadband
Line, specifically include top dielectric plate, layer dielectric plate, the first circular copper sheet of coupling, the circular copper sheet of the second coupling and four grounded
Rectangle copper sheet, top dielectric plate is horizontal positioned with layer dielectric plate and vertical corresponding up and down, and the lower surface of top dielectric plate is set
Aerial radiation paster is equipped with, the upper surface of layer dielectric plate is provided with earth plate, and the lower surface of layer dielectric plate is provided with feed
Network, top dielectric plate is fixed with layer dielectric plate by four plastic screw columns, between top dielectric plate and layer dielectric plate
It is provided with the air layer of certain altitude；The first circular copper sheet of coupling couples circular copper sheet with second and is arranged in the air layer simultaneously
And parallel to top dielectric plate and layer dielectric plate, the circle centre position that the first circular copper sheet of coupling couples circular copper sheet with second is all provided with
There is distributing point, the distributing point is connected with one end of the first feed probes and one end of the second feed probes respectively, the first feedback
The other end of electric probe and the other end of the second feed probes are connected with the distributing point in the feeding network；Described four
Ground connection rectangle copper sheet is attached at the surrounding of top dielectric plate and layer dielectric plate respectively, and the four grounded rectangle copper sheet is wherein
It is connected on one side with the earth plate, when antenna realizes circular polarisation work, four rectangular patches are respectively induced out phase and met
The alternation induced-current of circular polarisation demand, its caused electromagnetic radiation is stronger in antenna side surface direction, so as to effectively increase day
The low elevation gain of line.
Further, the size of top dielectric plate is 70mm × 70mm × 0.8mm, the day of the top dielectric plate lower surface
Beta radiation paster is made up of square loop nested inside and outside two, outer ring width 3.8mm, inner ring width 18.1mm, inner ring
It is provided with 16 gap flutings.
Further, the size of layer dielectric plate is 70mm × 70mm × 0.8mm, the feedback of the top dielectric plate lower surface
Electric network is provided with four microstrip lines, 3dB electric bridges, S frequency ranges sub-miniature A connector and L frequency range sub-miniature A connectors；Four microstrip lines
One end is respectively connecting to four pins of the 3dB electric bridges, and the other end of four microstrip lines is respectively connecting to the S frequency ranges
Sub-miniature A connector, L frequency ranges sub-miniature A connector, the other end of the first feed probes, the other end of the second feed probes.
Further, the height of the air layer is 5.8mm.
Further, the first circular copper sheet of coupling and the second radius for coupling circular copper sheet are 5.4mm, the first coupling
Close circular copper sheet and couple circular copper sheet respectively on two center lines of the air layer, and apart from air layer with second
Center 26.2mm.
Further, the area size of the four grounded rectangle copper sheet is 60.5mm × 11mm.
To sum up, antenna of the invention realizes two frequency range coverings using individual layer nesting paster structure, greatly reduces antenna
Section height；Feeding classification adds the impedance bandwidth of antenna using rectangle copper sheet couple feed structure is loaded；Using 3dB
Electric bridge realizes different circular polarisation working methods, and greatly increases the axial ratio bandwidth of antenna；Antenna surrounding attached to and be grounded
The connected copper sheet of plate, induced-current during Antenna Operation on rectangle copper sheet produce electromagnetic radiation, increase antenna using this method
The low elevation gain of each frequency；The air layer set in the present invention between dielectric-slab is beneficial to improve Antenna Operation efficiency, reduces
Material cost.
Compared with prior art, the present invention can be used for the transmitting of Big Dipper generation L frequency band signals and S frequency band signals receive, and realize
The positioning of a Big Dipper generation and short message communication function, have cost is low, efficiency high, section are low, with roomy and wave beam it is wide the advantages of,
Beidou navigation terminal device can be advantageously applied to.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention
Fig. 2 is the top dielectric harden structure and coupling rectangular copper sheet position view of the present invention（Top view）.
Fig. 3 is the layer dielectric plate structure schematic diagram of the present invention（Top view）.
Fig. 4 is inventive antenna in low-frequency range stickogram.
Fig. 5 is inventive antenna in high band stickogram.
Fig. 6 is inventive antenna gain pattern when working frequency is 1.616GHz and 2.492GHz.
Primary clustering symbol description]
In figure：1 is top dielectric plate, and 2 be layer dielectric plate, and 3 be plastic screw column, and 4 be ground connection rectangle copper sheet, and 5 be the
The one circular copper sheet of coupling, 6 be the first feed probes, and 7 be the second circular copper sheet of coupling, and 8 be the second feed probes, and 9 be L frequency ranges
Sub-miniature A connector, 10 be S frequency range sub-miniature A connectors, and 11 be internal layer square ring-type radiation patch, and 12 be outer layer square ring-type radiation patch
Piece, 13 be 3dB electric bridges, and 14 be microstrip line a, and 15 be microstrip line b, and 16 be microstrip line c, and 17 be microstrip line d.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
As shown in Figure 1 to Figure 3, this example includes top dielectric plate 1 and layer dielectric plate 2 passes through four plastic screw columns 3
It is fixed, surrounding sets four grounded rectangle copper sheet 4, and copper sheet passes through scolding tin and ground connection plate weld；Exist between two layer medium
Certain thickness air layer, and the first coupling circle copper sheet 5 and the second circular copper sheet 7 of coupling are provided with, couple circular copper sheet
Center be distributing point, the top of the first feed probes 6 and the second feed probes 8 is respectively welded in the first circular copper sheet 5 of coupling
At the distributing point of the second circular copper sheet 7 of coupling.The lower surface of top dielectric plate is provided with internal layer square ring-type radiation patch
11 and outer layer square ring-type radiation patch 12, by the first circular copper sheet 5 and second of coupling is coupled the circular feed of copper sheet 7 come
Internal layer square ring-type radiation patch 11 and outer layer square ring-type radiation patch 12 are encouraged, makes its radiated electromagnetic wave.Lower floor is situated between
The upper surface of scutum 2 is earth plate, and lower surface is provided with feeding network, including four sections of microstrip lines 14,15,16,17 and a 3dB
Electric bridge 13；The bottom of first feed probes 6 and the second feed probes 8 is each passed through layer dielectric plate 2, and is connected to micro-strip
One end of line 14 and microstrip line 15；L frequency ranges sub-miniature A connector 9 and S frequency ranges sub-miniature A connector 10 are connected to microstrip line 16 and microstrip line
17 one end；Microstrip line 14, microstrip line 15, microstrip line 16, the other end of microstrip line 17 are connected to four of 3dB electric bridges 13
On pin.
In the present embodiment, the size of top dielectric plate is 70mm × 70mm × 0.8mm, the top dielectric plate lower surface
Aerial radiation paster be made up of square loop nested inside and outside two, outer ring width 3.8mm, inner ring width 18.1mm,
Inner ring is provided with 16 gap flutings.
In the present embodiment, the size of layer dielectric plate is 70mm × 70mm × 0.8mm.
In the present embodiment, the height of the air layer is 5.8mm.
Further, in the present embodiment, the radius that the circular copper sheet of first coupling couples circular copper sheet with second is equal
For 5.4mm, the first circular copper sheet of coupling couples circular copper sheet respectively on two center lines of the air layer with second, and
And the 26.2mm apart from the center of air layer.
In the present embodiment, the area size of the four grounded rectangle copper sheet is 60.5mm × 11mm.
Fig. 4 be antenna in low-frequency range stickogram, as can be seen from the figure designed antenna -10dB bandwidth of operation is
1.603GHz-1.632GHz.Fig. 5 be antenna in high band stickogram, as can be seen from the figure designed antenna -10dB
Bandwidth of operation is 2.478GHz-2.508GHz.Fig. 6 is that antenna plane when working frequency is 1.616GHz and 2.492GHz increases
Beneficial directional diagram.
The foregoing is only presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, it should all belong to the covering scope of the present invention.
Claims (5)
- A kind of 1. high low elevation gain Big Dipper generation satellite navigation dual-mode antenna of broadband, it is characterised in that：Including top dielectric Plate, layer dielectric plate, the circular copper sheet of the first coupling, second couple circular copper sheet and four grounded rectangle copper sheet, top dielectric plate Horizontal positioned with layer dielectric plate and vertical corresponding up and down, the lower surface of top dielectric plate is provided with aerial radiation paster, under The upper surface of layer dielectric-slab is provided with earth plate, and the lower surface of layer dielectric plate is provided with feeding network, and top dielectric plate is with Layer dielectric-slab is fixed by four plastic screw columns, and the air of certain altitude is provided between top dielectric plate and layer dielectric plate Layer；The first circular copper sheet of coupling with second couple circular copper sheet be arranged in the air layer and parallel to top dielectric plate and Layer dielectric plate, the first circular copper sheet of coupling are equipped with distributing point, the distributing point with the second circle centre position for coupling circular copper sheet It is connected respectively with one end of the first feed probes and one end of the second feed probes, the other end of the first feed probes and The other end of two feed probes is connected with the distributing point in the feeding network；The four grounded rectangle copper sheet is sticked respectively In the surrounding of top dielectric plate and layer dielectric plate, the four grounded rectangle copper sheet wherein on one side with the earth plate phase Even；The size of top dielectric plate is 70mm × 70mm × 0.8mm, the aerial radiation paster of the top dielectric plate lower surface by Nested square loop composition, outer ring width 3.8mm, inner ring width 18.1mm, inner ring are provided with 16 seams inside and outside two Gap is slotted.
- 2. the high low elevation gain Big Dipper generation satellite navigation dual-mode antenna of a kind of broadband according to claim 1, it is special Sign is：The size of layer dielectric plate is 70mm × 70mm × 0.8mm, and the feeding network of the top dielectric plate lower surface is set There are four microstrip lines, 3dB electric bridges, S frequency ranges sub-miniature A connector and L frequency range sub-miniature A connectors；One end of four microstrip lines connects respectively Four pins of the 3dB electric bridges are connected to, the other end of four microstrip lines is respectively connecting to the S frequency ranges sub-miniature A connector, L Frequency range sub-miniature A connector, the other end of the first feed probes, the other end of the second feed probes.
- 3. the high low elevation gain Big Dipper generation satellite navigation dual-mode antenna of a kind of broadband according to claim 1, it is special Sign is：The height of the air layer is 5.8mm.
- 4. the high low elevation gain Big Dipper generation satellite navigation dual-mode antenna of a kind of broadband according to claim 1, it is special Sign is：The circular copper sheet of first coupling is 5.4mm with the second radius for coupling circular copper sheet, and first couples circular copper sheet Circular copper sheet is coupled respectively on two center lines of the air layer, and apart from the center of air layer with second 26.2mm。
- 5. the high low elevation gain Big Dipper generation satellite navigation dual-mode antenna of a kind of broadband according to claim 1, it is special Sign is：The area size of the four grounded rectangle copper sheet is 60.5mm × 11mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510668571.7A CN105356045B (en) | 2015-10-13 | 2015-10-13 | The high low elevation gain Big Dipper generation satellite navigation dual-mode antenna of broadband |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510668571.7A CN105356045B (en) | 2015-10-13 | 2015-10-13 | The high low elevation gain Big Dipper generation satellite navigation dual-mode antenna of broadband |
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| Publication Number | Publication Date |
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| CN105356045A CN105356045A (en) | 2016-02-24 |
| CN105356045B true CN105356045B (en) | 2017-11-17 |
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| CN201510668571.7A Active CN105356045B (en) | 2015-10-13 | 2015-10-13 | The high low elevation gain Big Dipper generation satellite navigation dual-mode antenna of broadband |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425277B (en) * | 2017-07-25 | 2023-06-02 | 福建福大北斗通信科技有限公司 | Multi-frequency combined satellite navigation terminal antenna |
| CN108039577A (en) * | 2017-12-08 | 2018-05-15 | 西安中星伟业通信科技有限公司 | A kind of wideband integration microstrip antenna based on 3dB electric bridges |
| CN108306106B (en) * | 2018-01-29 | 2023-06-27 | 福州大学 | Satellite navigation loop antenna and terminal with miniaturized rectangular patch short-circuit loading |
| CN108521014B (en) * | 2018-06-04 | 2023-07-28 | 福州大学 | Miniaturized MIMO reader antenna and terminal applied to RFID |
| 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 |
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| CN103247866A (en) * | 2013-04-09 | 2013-08-14 | 北京邮电大学 | Compact type broadband bicircular polarization patch antenna based on coupling microstrip line coupler |
| CN103703620A (en) * | 2013-08-26 | 2014-04-02 | 华为技术有限公司 | Wideband dual-polarization array antenna and base station |
| CN104241842A (en) * | 2014-10-13 | 2014-12-24 | 李洪彬 | Wide-beam antenna of maritime satellite communication terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2825517A1 (en) * | 2001-06-01 | 2002-12-06 | Socapex Amphenol | Plate antenna, uses passive component facing radiating element with electromagnetic rather than mechanical coupling to simplify construction |
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|---|---|---|---|---|
| CN103247866A (en) * | 2013-04-09 | 2013-08-14 | 北京邮电大学 | Compact type broadband bicircular polarization patch antenna based on coupling microstrip line coupler |
| CN103703620A (en) * | 2013-08-26 | 2014-04-02 | 华为技术有限公司 | Wideband dual-polarization array antenna and base station |
| CN104241842A (en) * | 2014-10-13 | 2014-12-24 | 李洪彬 | Wide-beam antenna of maritime satellite communication terminal |
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Effective date of registration: 20211019 Address after: 350002 room 1-406, physics building, 523 Industrial Road, Gulou District, Fuzhou, Fujian, China, 523 Patentee after: FUJIAN FUDA BEIDOU COMMUNICATION TECHNOLOGY Co.,Ltd. Address before: 350108 new campus of Fuzhou University, No. 2, Xue Yuan Road, University Town, Minhou street, Minhou, Fujian. Patentee before: FUZHOU University |
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Denomination of invention: Wideband high and low elevation gain Beidou first generation satellite navigation transceiver antenna Effective date of registration: 20221028 Granted publication date: 20171117 Pledgee: China Merchants Bank Co.,Ltd. Fuzhou branch Pledgor: FUJIAN FUDA BEIDOU COMMUNICATION TECHNOLOGY Co.,Ltd. Registration number: Y2022350000142 |
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Date of cancellation: 20231128 Granted publication date: 20171117 Pledgee: China Merchants Bank Co.,Ltd. Fuzhou branch Pledgor: FUJIAN FUDA BEIDOU COMMUNICATION TECHNOLOGY Co.,Ltd. Registration number: Y2022350000142 |
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