CN107425277A - Multi-frequency combination satellite navigation terminal antennae - Google Patents
Multi-frequency combination satellite navigation terminal antennae Download PDFInfo
- Publication number
- CN107425277A CN107425277A CN201710608969.0A CN201710608969A CN107425277A CN 107425277 A CN107425277 A CN 107425277A CN 201710608969 A CN201710608969 A CN 201710608969A CN 107425277 A CN107425277 A CN 107425277A
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- China
- Prior art keywords
- paster
- radiation
- network
- navigation terminal
- 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
- H01Q1/48—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
- H01Q5/45—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more feeds in association with a common reflecting, diffracting or refracting device
- H01Q5/47—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more feeds in association with a common reflecting, diffracting or refracting device with a coaxial arrangement of the feeds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention relates to a kind of multi-frequency combination satellite navigation terminal antennae.Including aerial radiation main body, feed probes, coaxial feeder and feeding network；The feeding network is located at the lower section of aerial radiation main body and is connected by feed probes with aerial radiation main body；The feed probes pass through aerial radiation main body；The coaxial feeder is connected with feeding network；The aerial radiation main body with including lower floor's FR4 metals for setting gradually from bottom to top reflecting plate, air Stilt layer, upper strata FR4 dielectric-slabs and radiation patch unit；The radiation patch unit includes Crossed Circle structural radiation paster and four F type structural radiation pasters.The present invention realizes that antenna double star four covers frequently on single layer structure；The present invention has the advantages that low section, high axial ratio bandwidth, is suitably applied in Beidou navigation terminal device on the basis of possessing multi-frequency Characteristic.
Description
Technical field
The present invention relates to a kind of for Big Dipper generation L frequency ranges, S frequency ranges and Beidou II B1 frequency range compatible with GPS L1 frequency ranges
Satellite navigation aerial, specially a kind of multi-frequency combination satellite navigation terminal antennae.
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 order to realize more
Add accurate, stable navigation locating function, satellite navigation terminal is needed to merge different satellite navigation system information, and this requirement is defended
Star navigation terminal antenna being capable of compatible multiple satellite navigation systems.Some multisystem multifrequency antennas in the market use low Jie
The high frequency sheet material stacked structure of electric constant, the volume of such antenna is larger, section is high, weight is big, and can not meet that terminal is small-sized
The market demand of change.
The content of the invention
It is an object of the invention to provide a kind of multi-frequency combination satellite navigation terminal antennae, the antenna is possessing multi-frequency Characteristic
On the basis of, also there is low section, high axial ratio bandwidth, be suitably applied in Beidou navigation terminal device.
To achieve the above object, the technical scheme is that：A kind of multi-frequency combination satellite navigation terminal antennae, including day
Beta radiation main body, feed probes, coaxial feeder and feeding network；The feeding network is located at the lower section of aerial radiation main body and led to
Feed probes are crossed to be connected with aerial radiation main body；The feed probes pass through aerial radiation main body；The coaxial feeder and feed
Network connection.
In an embodiment of the present invention, the aerial radiation main body includes the lower floor's FR4 metals set gradually from bottom to top
Ground reflecting plate, air Stilt layer, upper strata FR4 dielectric-slabs and radiation patch unit；The feeding network is passed through by feed probes
Lower floor's FR4 metals reflecting plate, air Stilt layer, upper strata FR4 dielectric-slabs be connected with radiation patch unit.
In an embodiment of the present invention, the radiation patch unit includes Crossed Circle structural radiation paster and four F type knots
Structure radiation patch；The radiation patch unit is etched in upper strata FR4 dielectric-slabs upper surface.
In an embodiment of the present invention, the Crossed Circle structural radiation paster include nested annular paster inside and outside two,
Two rectangles feed coupling pieces, between two rectangles feed coupling pieces annular paster nested inside and outside two, and with feed
Probe is connected；It is nested in described two inside and outside nested annular pasters inside the annular paster of inside and is additionally provided with four and square connects
Ground sheet metal, by grounding probe, reflecting plate is connected grounded metal sheet with lower floor FR4 metals.
In an embodiment of the present invention, being nested in internal annular paster in described two inside and outside nested annular pasters is
The annular paster of bending.
In an embodiment of the present invention, the annular paster of the bending is side's annular, and annular four side midpoints are inside
Bending.
In an embodiment of the present invention, the F types structural radiation paster is located at the outside of Crossed Circle structural radiation paster, institute
State F type structural radiation pasters to be connected with feeding network by feed probes, F type structural radiation pasters are visited at galianconism by short circuit
Reflecting plate is connected pin with lower floor FR4 metals.
In an embodiment of the present invention, the air Stilt layer can be by Filled Dielectrics.
In an embodiment of the present invention, the Crossed Circle structural radiation paster uses two point feeding network, four F types
Structural radiation paster uses four-point feed network.
In an embodiment of the present invention, the two point feeding network is connected with four-point feed network by coaxial feeder；Institute
State two point feeding network and use 90 ° of electric bridges of 3dB, T-shaped power division network or Wilkinson feeding network；The four-point feed network
The network formed using tandem feeding network or three groups of Wilkinson feeding networks or the four feedback nets built with 90 ° of electric bridges of 3dB
Network.
Compared to prior art, the invention has the advantages that：The present invention can be used not only for Big Dipper generation L frequency ranges letter
Number transmitting and S frequency band signals receive, and realize positioning and the short message communication function of a Big Dipper generation, moreover it can be used to Beidou II B1 frequencies
The signal of section and GPS L1 frequency ranges receives, and realizes Beidou II and GPS positioning function, there is provided more stable, accurate navigation
Positioning service, while antenna has the advantages of low section, lightweight and high axial ratio bandwidth, can be advantageously applied to Beidou navigation end
End equipment.
Brief description of the drawings
Fig. 1 is the overall structure top view of the present invention.
Fig. 2 is the overall structure side view of the present invention.
Fig. 3 is the feed network structures schematic diagram of the present invention.
Fig. 4 is the B1L1 frequency range reflection coefficient charts of the present invention.
The B1L1 frequency ranges axle that Fig. 5 is the present invention compares curve map.
Fig. 6 is the B1L1 band gain curve maps of the present invention.
Fig. 7 is the L frequency range reflection coefficient charts of the present invention.
The L frequency ranges axle that Fig. 8 is the present invention compares curve map.
Fig. 9 is the L band gain curve maps of the present invention.
Figure 10 is the S frequency range reflection coefficient charts of the present invention.
The S frequency ranges axle that Figure 11 is the present invention compares curve map.
Figure 12 is the S band gain curve maps of the present invention.
In figure, 1 is B1, L1 frequency range loop configuration radiation patch, and 11 be grounded metal sheet, and 111,42 be grounding probe, and 2 are
The loop configuration radiation patch of L frequency ranges, 3 be that rectangle feeds coupling piece, and 31,41 be feed probes, and 4 be the F type structure spokes of S frequency ranges
Penetrate paster, 5 be upper strata FR4 dielectric-slabs, and 6 be air Stilt layer, and 7 be lower floor's FR4 metals ground reflecting plate, and 8 be feeding network, and 81 are
Tandem feeding network, 82 be 90 ° of electric bridges of 3dB.
Embodiment
Below in conjunction with the accompanying drawings, technical scheme is specifically described.
A kind of structure composite type Beidou navigation antenna of the present invention, including aerial radiation main body, feed probes, coaxial feeder
And feeding network；The feeding network is located at the lower section of aerial radiation main body and connected by feed probes and aerial radiation main body
Connect；The feed probes pass through aerial radiation main body；The coaxial feeder is connected with feeding network.The aerial radiation main body bag
With including lower floor's FR4 metals for setting gradually from bottom to top reflecting plate, air Stilt layer, upper strata FR4 dielectric-slabs and radiation patch list
Member；The feeding network by feed probes through lower floor's FR4 metals reflecting plate, air Stilt layer, upper strata FR4 dielectric-slabs with
Radiation patch unit connects.
The radiation patch unit includes Crossed Circle structural radiation paster and four F type structural radiation pasters（Specially S frequencies
The F type structural radiation pasters of section）；The radiation patch unit is etched in upper strata FR4 dielectric-slabs upper surface.
The Crossed Circle structural radiation paster includes annular paster nested inside and outside two（Including B1, L1 positioned at internal layer
The loop configuration radiation patch of frequency range loop configuration radiation patch and the L frequency ranges of outer layer）, two rectangle feed coupling pieces, two
Between individual rectangle feed coupling piece annular paster nested inside and outside two, and it is connected with feed probes；It is described two inside and outside
It is nested in nested annular paster inside the annular paster of inside and is additionally provided with four square grounded metal sheets, grounded metal sheet is led to
Crossing grounding probe, reflecting plate is connected with lower floor FR4 metals.The grounded metal sheet can be square or other arbitrary shapes
Shape.The annular paster that inside is nested in described two inside and outside nested annular pasters is the annular paster of bending.The bending
Annular paster be side's annular, and annular four side midpoints bend inwards.
The F types structural radiation paster is located at the outside of Crossed Circle structural radiation paster, and the F types structural radiation paster leads to
Cross feed probes to be connected with feeding network, F type structural radiation pasters anti-at galianconism by grounding probe and lower floor's FR4 metals
Plate is penetrated to be connected.The F types radiation patch can be made up of arbitrary shape, such as snakelike shape F types, zigzag F types etc..
The air Stilt layer is the fixation by plastics screw or metal screws, can by Filled Dielectrics, such as foam,
Plastics etc..
The Crossed Circle structural radiation paster uses two point feeding network, and four F type structural radiations paster uses four
Point feeding network.The two point feeding network is connected with four-point feed network by coaxial feeder；The two point feeding network is adopted
With 90 ° of electric bridges of 3dB, T-shaped power division network or Wilkinson feeding network；The four-point feed network uses tandem transmission network
Network that network or three groups of Wilkinson feeding networks are formed or the four feedback networks built with 90 ° of electric bridges of 3dB.
It is below the specific implementation process of the present invention.
As Figure 1-3, the present invention provides a kind of for a Big Dipper generation, Beidou II B1 frequency ranges and GPS L1 frequency ranges
Four frequency structure composite type Beidou navigation antennas, antenna include antenna body, grounding probe, feed probes, coaxial feeder and feed
Network, the antenna body with including lower floor's FR4 metals for stacking gradually from bottom to top reflecting plate 7, air Stilt layer 6, upper strata
FR4 dielectric-slabs 5 and radiation patch unit 1,2,4；The upper strata FR4 dielectric-slabs upper surface is provided with B1, L1 frequency range ring of internal layer
Shape structural radiation paster 1, the loop configuration radiation patch 2 of the L frequency ranges in intermediate layer, four F types structural radiation patches of S frequency ranges of outer layer
Piece 4；Two rectangle feed coupling pieces 3 are provided between the internal layer, middle stacked loop radiation patch；The rectangle feeds coupling
Closing piece 3, reflecting plate is connected with feeding network 8 through lower floor's FR4 metals by feed probes 31, feed probes 31 and lower floor FR4
Metal reflecting plate 7 do not contact；Described internal layer annular radiation patch 1 is side annular, and annular four side midpoints are inside
Bending；1 four jiaos of the annular paster is internally provided with four square grounded metal sheets 11, and is provided with the center of sheet metal 11
Short circuit metallic probe 111, described one end of short circuit metallic probe 111 are connected with sheet metal 11, and the other end anti-with lower floor's FR4 metals
Plate 7 is penetrated to connect；The intermediate layer aerial radiation paster 2 is side annular, and has corner cut at the outer corner of annular, has benefit at interior corner
Angle；Described four F type structural radiations pasters 4 of outer layer are four " F " shape oscillators, described four F type structural radiations pasters 4 of outer layer
By being connected after feed probes 41 reflecting plate 7 with feeding network 8 through lower floor's FR4 metals, feed probes 41 and lower floor FR4 gold
Possession reflecting plate 7 does not contact；The galianconism end of four F type structural radiations paster 4 is provided with short circuit metallic probe 42, described
The one end of short circuit metallic probe 42 is connected with four F type structural radiations pasters 4, and reflecting plate 7 connects the other end with lower floor FR4 metals
Connect.The lower floor FR4 metals the lower floor of reflecting plate 7 have a transmission network network layers 8, the transmission network network layers 8 are for four F type structures
Radiation patch tandem feeding network 81 and 90 ° of electric bridges 82 of 3dB for loop configuration radiation patch, the coaxial feeder point
Input port not with 90 ° of electric bridges 82 of tandem feeding network 81 and 3dB is connected, the feed port as antenna.
Fig. 4-Figure 12 is referred to, Fig. 4 is the reflection coefficient chart of antenna B1L1 frequency ranges.Fig. 5 is the axle ratio of B1L1 frequency ranges
Curve map, Fig. 6 are the gain curve figures of B1L1 frequency ranges.Fig. 7 is the reflection coefficient chart of antenna L frequency ranges.Fig. 8 is L frequency ranges
For axle than curve map, Fig. 9 is the gain curve figure of L frequency ranges.Figure 10 is the reflection coefficient chart of antenna S frequency ranges.Figure 11 is S frequency ranges
Axle than curve map, Figure 12 is the gain curve figure of S frequency ranges.As can be seen from the figure antenna has in B1L1, L and S frequency range
There are good impedance matching property and radiation characteristic, the transmitting-receiving of Big Dipper generation signal can be realized by embodying the antenna, while
Beidou II B1 signals and gps signal can be received, there is provided more stable, accurate navigator fix service.
Above is presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, caused function are made
During with scope without departing from technical solution of the present invention, protection scope of the present invention is belonged to.
Claims (10)
- A kind of 1. multi-frequency combination satellite navigation terminal antennae, it is characterised in that：Including aerial radiation main body, feed probes, coaxial Feeder line and feeding network；The feeding network is located at the lower section of aerial radiation main body and passes through feed probes and aerial radiation main body Connection；The feed probes pass through aerial radiation main body；The coaxial feeder is connected with feeding network.
- 2. multi-frequency combination satellite navigation terminal antennae according to claim 1, it is characterised in that：The aerial radiation main body Reflecting plate, air Stilt layer, upper strata FR4 dielectric-slabs and radiation patch including lower floor's FR4 metals for setting gradually from bottom to top Unit；The feeding network is by feed probes through lower floor's FR4 metals ground reflecting plate, air Stilt layer, upper strata FR4 dielectric-slabs It is connected with radiation patch unit.
- 3. multi-frequency combination satellite navigation terminal antennae according to claim 2, it is characterised in that：The radiation patch unit Including Crossed Circle structural radiation paster and four F type structural radiation pasters；The radiation patch unit is etched in upper strata FR4 media Plate upper surface.
- 4. multi-frequency combination satellite navigation terminal antennae according to claim 3, it is characterised in that：The Crossed Circle structure spoke Penetrating paster includes annular paster nested inside and outside two, two rectangle feed coupling pieces, and two rectangle feed coupling pieces are located at two Between individual inside and outside nested annular paster, and it is connected with feed probes；It is nested in described two inside and outside nested annular pasters Four square grounded metal sheets are additionally provided with inside internal annular paster, grounded metal sheet passes through grounding probe and lower floor FR4 gold Possession reflecting plate connection.
- 5. multi-frequency combination satellite navigation terminal antennae according to claim 4, it is characterised in that：It is described two inside and outside nested Annular paster in be nested in inside annular paster for bending annular paster.
- 6. multi-frequency combination satellite navigation terminal antennae according to claim 5, it is characterised in that：The ring attaching of the bending Piece is side's annular, and annular four side midpoints bend inwards.
- 7. multi-frequency combination satellite navigation terminal antennae according to claim 3, it is characterised in that：The F types structural radiation Paster is located at the outside of Crossed Circle structural radiation paster, and the F types structural radiation paster is connected by feed probes and feeding network Connect, by grounding probe, reflecting plate is connected F type structural radiation pasters with lower floor FR4 metals at galianconism.
- 8. multi-frequency combination satellite navigation terminal antennae according to claim 2, it is characterised in that：The air Stilt layer can By Filled Dielectrics.
- 9. multi-frequency combination satellite navigation terminal antennae according to claim 3, it is characterised in that：The Crossed Circle structure spoke Penetrate paster and use two point feeding network, four F type structural radiations paster uses four-point feed network.
- 10. multi-frequency combination satellite navigation terminal antennae according to claim 9, it is characterised in that：The two point transmission network Network is connected with four-point feed network by coaxial feeder；The two point feeding network is using 90 ° of electric bridges of 3dB, T-shaped power division network Or Wilkinson feeding network；The four-point feed network uses tandem feeding network or three groups of Wilkinson feeding network structures Into network or with 90 ° of electric bridges of 3dB build four feedback networks.
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| CN201710608969.0A CN107425277B (en) | 2017-07-25 | 2017-07-25 | Multi-frequency combined satellite navigation terminal antenna |
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| CN201710608969.0A CN107425277B (en) | 2017-07-25 | 2017-07-25 | Multi-frequency combined satellite navigation terminal antenna |
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| CN107425277B CN107425277B (en) | 2023-06-02 |
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Cited By (4)
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| CN108306106A (en) * | 2018-01-29 | 2018-07-20 | 福州大学 | Minimize rectangular patch short circuit load satellite navigation loop aerial and terminal |
| CN113036439A (en) * | 2021-05-26 | 2021-06-25 | 成都天锐星通科技有限公司 | Microstrip antenna structure and communication equipment |
| US20230084483A1 (en) * | 2021-09-01 | 2023-03-16 | Drexel University | Pattern reconfigurable uhf rfid reader antenna array |
| CN117317575A (en) * | 2023-11-28 | 2023-12-29 | 福建福大北斗通信科技有限公司 | Cross dipole antenna with low axial ratio and wide frequency band |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113036439B (en) * | 2021-05-26 | 2021-07-30 | 成都天锐星通科技有限公司 | Microstrip antenna structure and communication equipment |
| US20230084483A1 (en) * | 2021-09-01 | 2023-03-16 | Drexel University | Pattern reconfigurable uhf rfid reader antenna array |
| CN117317575A (en) * | 2023-11-28 | 2023-12-29 | 福建福大北斗通信科技有限公司 | Cross dipole antenna with low axial ratio and wide frequency band |
| CN117317575B (en) * | 2023-11-28 | 2024-02-06 | 福建福大北斗通信科技有限公司 | Cross dipole antenna with low axial ratio and wide frequency band |
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| CN107425277B (en) | 2023-06-02 |
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