CN207149690U - A kind of Big Dipper multi-frequency wide-beam circular polarization antenna - Google Patents
A kind of Big Dipper multi-frequency wide-beam circular polarization antenna Download PDFInfo
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- CN207149690U CN207149690U CN201721009257.9U CN201721009257U CN207149690U CN 207149690 U CN207149690 U CN 207149690U CN 201721009257 U CN201721009257 U CN 201721009257U CN 207149690 U CN207149690 U CN 207149690U
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Abstract
It the utility model is related to the vehicle-mounted user's field of terminal technology of Beidou navigation, specific disclosure is a kind of Big Dipper multi-frequency wide-beam circular polarization antenna, it is made up of the circular polarized antenna of different frequency range, frequency tower stacking from top to bottom from low to high, its upper strata S paster antennas, second layer B1L combination paster antennas and third layer B3 paster antennas.Circular polarized antenna is realized in upper strata from single feed point central coaxial feed corner cut, and middle level realizes two kinds of positive and negative phase differences by power division network from the form of four feed point coaxial feeds, and the feed point of third layer four feed realizes 0 °, 90 °, 180 °, 270 ° of right-handed circular polarizations.RNSS high-precision positioning function demand can be met, and can realizes RDSS transmission-receiving function demand, the phase centre stability that this antenna improves antenna using microstrip antenna multiple feeds technology makes phase center error in ± 2mm and the tower superimposing technique of micro-strip paster antenna while compatible RNSS navigation frequencys (BD2 B3, BD2 B1, GPS L1) and RDSS transmitting-receiving frequencies (BD L, BD S).
Description
Technical field
The utility model is related to antenna technical field, applied to Big Dipper high accuracy radionavigation-satellite service and satellite without
Line electrometric determination business, a kind of Big Dipper multiband wide beam circular polarized antenna is specifically said, is suitable as being used for BD2-B3, BD2-B1,
The global positioning system antenna of GPS-L1, BD-L, BD-S wave band.
Background technology
At present, the high fine positioning antennas of RNSS are all based on high accuracy positioning, are received just for RNSS navigation signals,
Using BD2-B3, BD2-B1, GPS-L1 frequency ranges, do not possess the ability of hair short message.Satellite navigation system aeronautical satellite and
Two kinds of business of integrated RNSS and RDSS, system may be either that user provides consecutive tracking simultaneously in fortune control application system, and test the speed ability
(i.e. so-called passive navigation positioning), can carry out the position report of the high safety rank of no information transfer again.It navigates and communicated
It is integrated to be embedded in mutually, strengthen each other.This just needs the BD-L of an integrated Big Dipper generation, BD-S wave bands.Therefore it is high-precision in RNSS
Degree positioning needs antenna with RDSS transmission-receiving functions, it is necessary to which a RNSS navigation signal and cans that can receive are with RDSS's simultaneously
The antenna of transmission-receiving function, a kind of Big Dipper multiband wide beam circular polarized antenna.
Utility model content
The purpose of this utility model is to provide a kind of Big Dipper multi-frequency wide-beam circular polarization antenna, can meet that RNSS's is high-precision
Positioning function demand is spent, and can realizes RDSS transmission-receiving function demand, and this antenna improves day using microstrip antenna multiple feeds technology
The phase centre stability of line makes phase center error in ± 2mm and the tower superimposing technique of micro-strip paster antenna while compatible RNSS
Navigation frequency (BD2-B3, BD2-B1, GPS-L1) and RDSS transmitting-receiving frequencies (BD-L, BD-S).
To achieve these goals, the utility model employs following technical scheme：A kind of Big Dipper multifrequency broad beam circle
Poliarizing antenna, including three layers of microstrip antenna of upper, middle and lower and power divider network, first layer are S paster antennas, and the second layer combines for B1L
Paster antenna, third layer are B3 paster antennas, and the 4th layer is power divider network.
Wherein, the power divider network includes lower basal plate, outlet, 50 Ω resistance, coaxial cable, electric bridge, distributing point, institute
State outlet, 50 Ω resistance, coaxial cable, electric bridge are soldered in lower basal plate.
Wherein, the B3 paster antennas include lower basal plate, top paster, five metallization VIAs, four distributing points, institute
Top paster is stated to be attached in lower basal plate；
It is soldered to using probe pin upper ends on distributing point, the lower end of probe is welded with the solder joint in the power divider network；
Five metallization VIAs include a centre bore and equally distributed four apertures centered on centre bore.
Wherein, the B1L combinations paster antenna includes lower basal plate, top paster, metallization VIA, four distributing points,
The top paster is attached in lower basal plate；
Be soldered to using probe pin upper ends on distributing point, probe through four apertures on B3 paster antennas, lower end with it is described
Solder joint welding in power divider network.
Wherein, the S paster antennas include lower basal plate, distributing point, top paster, corner cut, the top paster attachment
In lower basal plate；
Be soldered to using probe pin upper ends on distributing point, probe sequentially pass through B1L combination paster antenna on metallic vias, B3
Centre bore on paster antenna, lower end are welded with the solder joint in the power divider network.
Wherein, the S paster antennas are the circularly polarization microstrip patch antenna of SF single feed, pass through distributing point and the position of corner cut
To realize BD-S right-handed circular polarization.
Wherein, B1L combination paster antenna is the circularly polarization microstrip patch antennas of four feeds, by four distributing points according to
Secondary to press 0 °, 90 °, 180 °, 270 ° are realized BD-B1, GPS-L1 right-handed circular polarization, then pass sequentially through reverse 270 °, 180 °, 90 °,
0 ° is realized BD-L left-hand circular polarization.
Wherein, the B3 paster antennas by four distributing points successively press 0 °, 90 °, 180 °, 270 ° of right sides for realizing BD-B3
Hand circular polarization.
The utility model has the advantages that compared with prior art：
The utility model is integrated in the high fine positionings of Big Dipper RNSS and RDSS dual-mode antennas on same antenna, effectively subtracts
The number of congenerous antenna will be realized by having lacked.
The utility model uses the power divider network of more electric bridges collocation, BD2-B1, GPS-L1 on same medium substrate,
BD-L is integrated in.Effectively save processing cost and the cost of raw material.
For first layer using the right-handed circular polarization for realizing BD-S of central coaxial feed corner cut, the second layer and third layer use are more
The mode of feed point coaxial feed, BD-B1, GPS-L1, BD-B3 phase center accuracy rating can be made to reach RNSS in ± 2mm
High-precision alignment system requirement.BD-L and BD-S is used for RDSS transmission-receiving functions.With good low elevation angle performance and low section, it is easy to
The characteristics of batch production, the antenna requirement received and dispatched suitable for the high fine positionings of Big Dipper RNSS and RDSS.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment technical scheme, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only the utility model in order to more clearly
Illustrate the utility model embodiment or technical scheme of the prior art, below by institute in p- embodiment or description of the prior art
The accompanying drawing needed to use is briefly described, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the general structure schematic diagram of the utility model embodiment；
Fig. 2 is the schematic diagram of the utility model embodiment S paster antennas；
Fig. 3 is the schematic diagram of the utility model embodiment B1L combination paster antennas；
Fig. 4 is the schematic diagram of the utility model embodiment B3 paster antennas；
Fig. 5 is the schematic diagram of the utility model embodiment power divider network；
Fig. 6 is the utility model embodiment B3 paster antenna directional diagrams；
Fig. 7 is the utility model embodiment B1 paster antenna directional diagrams；
Fig. 8 is the utility model embodiment L1 paster antenna directional diagrams；
Fig. 9 is the utility model embodiment L paster antenna directional diagrams；
Figure 10 is the utility model embodiment S paster antenna directional diagrams.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Reference picture 1, the utility model is by three layers of microstrip antenna of upper, middle and lower and power divider network is tower is formed by stacking.It is divided into
Layer S paster antennas 1, second layer B1L paster antennas 2, third layer B3 paster antennas 3 and the 4th layer of power divider network 4.Antenna frequency
Rate is from high frequency to low frequency, from top to bottom.So the paster area used more comes about greatly, such as S paster antennas paster 12 from top to bottom
Area is less than B1L paster areas.The ground of upper strata paster antenna is the radiating surface of lower floor's antenna as seen from the figure again, simplifies day
Cable architecture, as the bottom of S pasters day 1 be B1L paster antennas 2 upper strata paster.
Circular polarized antenna is realized in tower superposition from high frequency to low frequency, upper strata from single feed point central coaxial feed corner cut,
Middle level realizes two kinds of positive and negative phase differences by power division network from the form of four feed point coaxial feeds, so as to realize one layer of micro-strip
Paster multifrequency multiplexing effect, third layer from four feed coaxial feeds form by power divider network realize 0 °, 90 °,
180 °, 270 ° of phase difference.
Reference picture 2, the S paster antennas 1 include lower basal plate 10, distributing point 11, top paster 12, corner cut 13, described
Top paster 12 is attached in lower basal plate 10；It is soldered to using probe pin upper ends on distributing point 11, probe sequentially passes through B1L combinations
The centre bore in metallic vias 16, B3 paster antennas 3 on paster antenna 2, lower end and the solder joint in the power divider network 4
273 welding.
Reference picture 3, the B1L combinations paster antenna 2 include lower basal plate 14, top paster 15, metallization VIA 16, four
Individual distributing point 17, the top paster 15 are attached in lower basal plate 14, are soldered to using probe pin upper ends on distributing point 17, probe
Through four apertures on B3 paster antennas 3, lower end is welded with the solder joint 272 in the power divider network 4.
Reference picture 4, the B3 paster antennas 3 include 19, five lower basal plate 18, top paster metallization VIAs 20, four
Individual distributing point 21, the top paster 19 are attached in lower basal plate 18；It is soldered to using probe pin upper ends on distributing point 21, probe
Lower end welded with the solder joint 271 in the power divider network 4；
Five metallization VIAs 20 include a centre bore and equally distributed four apertures centered on centre bore.
Reference picture 5, the power division network device network 4, it is divided into outlet 22 and (replaces CA cable assembly using pin outlet for simplification figure
Outlet), 50 Ω resistance 23,24, seven electric bridges of SFF-50-1 coaxial cables (points 2 groups are electric bridge 251 and electric bridge 252), bottom base
26, nine solder joints of plate (are divided into 3 groups, respectively solder joint 271, solder joint 272 and solder joint 273), and the outlet 22 (uses for simplification figure
Pin outlet replaces CA cable assembly to export), 50 Ω resistance 23, SFF-50-1 coaxial cables 24, electric bridge 251 and electric bridge 252 be soldered to
On the power division network of lower basal plate 26.
The circularly polarization microstrip patch antenna of first layer SF single feed realizes the BD-S right side by the position of distributing point and corner cut
Hand circular polarization；Because BD-B1, GPS-L1 and BD-L frequency range are nearer, micro-strip paster antenna bandwidth can be realized simultaneously, so second
The circularly polarization microstrip patch antenna of the feed of layer four presses 0 ° successively by four feed pins, and 90 °, 180 °, 270 ° are realized BD-B1,
GPS-L1 right-handed circular polarization, then pass sequentially through reverse 270 °, 180 °, 90 °, 0 ° is realized BD-L left-hand circular polarization；3rd
Layer by four feed pins successively press 0 °, 90 °, 180 °, 270 ° of right-handed circular polarizations for realizing BD-B3.
4th layer is power divider network, and the coaxial feed acusector of first layer S paster antennas 1 is directly welded at distributing point 11 and guides to work(
The solder joint 273 divided on device microstrip line, port is drawn and gone as S ports；Middle level is by 4 3dB electric bridges 252, wherein 2 are public,
Two groups of port1, port2 connect the coaxial feed point 17 of B1L paster antennas 2 and drawn on 4 solder joints 272 to get off respectively, wherein passing through
The Port3 ports of 2 electric bridges of microstrip line connection welding 272 are connected to the 3rd electric bridge by SFF-50-1 coaxial cables
port1、port2.Coaxial cable short 1/2 wavelength of the port1 coaxial cable than connecting port2 is connected, port3 welds 50 Ω electricity
Resistance, port4 outlets export for L-band.Micro-strip is wherein passed through by the port4 ports of 2 electric bridges of microstrip line connection welding 272
Line is connected to port1, port2 of the 3rd electric bridge.Connect micro-strip line length 1/2 medium of the port1 microstrip line than connecting port2
Wavelength, port3 weld 50 Ω resistance, and port4 outlets export for B1L1 wave bands；Third layer is by 3 electric bridges 251, wherein two groups
Port1, port2 connect 4 solder joints 271 under the coaxial feed point 21 of B3 paster antennas 3 draws respectively, wherein being connected by microstrip line
The port3 of 2 electric bridges of solder joint 271 welds 50 Ω resistance, wherein the port4 ports of 2 electric bridges are connected to the by microstrip line
Port1, port2 of three electric bridges.Connect micro-strip line length 1/2 medium wavelength of the port1 microstrip line than connecting port2, port3
50 Ω resistance port4 outlets are welded to export for B3 wave bands.
As seen from Figure 6, the utility model B3 frequency ranges (lower floor's B3 paster antennas) maximum gain 6.72dBi, the low elevation angle
10 ° of minimum value -1.7dBi.
As seen from Figure 7, the utility model B1 frequency ranges (middle level B1L paster antennas) maximum gain 5.98dBi, the low elevation angle
10 ° of minimum value -2.42dBi.
As seen from Figure 8, the utility model L1 frequency ranges (middle level B1L paster antennas) maximum gain 5.60dBi, the low elevation angle
10 ° of minimum value -2.99dBi.
As seen from Figure 9, the utility model L frequency ranges (middle level B1L paster antennas) maximum gain 5.27dBi, the low elevation angle
10 ° of minimum value -3.07dBi.
As seen from Figure 10, the utility model S frequency ranges (upper strata S paster antennas) maximum gain 4.46dBi, the low elevation angle
10 ° of minimum value -3.73dBi.
It can be seen that the utility model meets that BD-2 satellite navigation and location system subscriber computer antennas in China are required.
Preferably, welding manner can also be realized by other means, be not limited only to soldering.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (8)
- A kind of 1. Big Dipper multi-frequency wide-beam circular polarization antenna, it is characterised in that：Including three layers of microstrip antenna of upper, middle and lower and power splitter Network (4), first layer are S paster antennas (1), and the second layer is that B1L combines paster antenna (2), and third layer is B3 paster antennas (3), the 4th layer is power divider network (4).
- A kind of 2. Big Dipper multi-frequency wide-beam circular polarization antenna according to claim 1, it is characterised in that：The power splitter net Network (4) includes lower basal plate (26), outlet (22), 50 Ω resistance (23), coaxial cable (24), electric bridge (251,252), solder joint (271,272,273), the outlet (22), 50 Ω resistance (23), coaxial cable (24), electric bridge (251,252) are soldered to bottom On substrate (26).
- A kind of 3. Big Dipper multi-frequency wide-beam circular polarization antenna according to claim 2, it is characterised in that：The B3 pasters day Line (3) includes lower basal plate (18), top paster (19), five metallization VIAs (20), four distributing points (21), the top Paster (19) is attached in lower basal plate (18)；It is soldered to using probe pin upper ends on distributing point (21), lower end is welded with the weldering electricity point (271) in the power divider network (4) Connect；Five metallization VIAs (20) include a centre bore and equally distributed four apertures centered on centre bore.
- A kind of 4. Big Dipper multi-frequency wide-beam circular polarization antenna according to claim 3, it is characterised in that：The B1L combinations Paster antenna (2) include lower basal plate (14), top paster (15), metallization VIA (16), four distributing points (17), it is described on Portion's paster (15) is attached in lower basal plate (14)；It is soldered to using probe pin upper ends on distributing point (17), probe passes through four apertures on B3 paster antennas (3), lower end and institute State solder joint (272) welding in power divider network 4.
- A kind of 5. Big Dipper multi-frequency wide-beam circular polarization antenna according to claim 4, it is characterised in that：The S pasters day Line (1) includes lower basal plate (10), distributing point (11), top paster (12), corner cut (13), and the top paster (12) is attached to In lower basal plate (10)；It is soldered to using probe pin upper ends on distributing point (11), probe sequentially passes through the metallic vias on B1L combination paster antennas (2) (16), the centre bore on B3 paster antennas (3), lower end are welded with the solder joint (273) in the power divider network (4).
- A kind of 6. Big Dipper multi-frequency wide-beam circular polarization antenna according to claim 5, it is characterised in that：The S pasters day Line (1) is the circularly polarization microstrip patch antenna of SF single feed, realizes BD-S's by the position of distributing point (11) and corner cut (13) Right-handed circular polarization.
- A kind of 7. Big Dipper multi-frequency wide-beam circular polarization antenna according to claim 4, it is characterised in that：The B1L combinations Paster antenna (2) is the circularly polarization microstrip patch antenna of four feeds, by four distributing points (17) successively by 0 °, 90 °, 180 °, 270 ° are realized BD-B1, GPS-L1 right-handed circular polarization, then pass sequentially through reverse 270 °, 180 °, 90 °, and 0 ° is realized a BD-L left side Hand circular polarization.
- A kind of 8. Big Dipper multi-frequency wide-beam circular polarization antenna according to claim 3, it is characterised in that：The B3 pasters day Line (3) by four distributing points (21) successively press 0 °, 90 °, 180 °, 270 ° of right-handed circular polarizations for realizing BD-B3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721009257.9U CN207149690U (en) | 2017-08-14 | 2017-08-14 | A kind of Big Dipper multi-frequency wide-beam circular polarization antenna |
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| CN201721009257.9U CN207149690U (en) | 2017-08-14 | 2017-08-14 | A kind of Big Dipper multi-frequency wide-beam circular polarization antenna |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546346A (en) * | 2018-11-27 | 2019-03-29 | 上海航天电子通讯设备研究所 | A kind of dual circularly polarized antenna unit of stepped construction |
| CN109599667A (en) * | 2018-11-09 | 2019-04-09 | 南京理工大学 | A kind of double-circle polarization suitching type ultra wide bandwidth beam antenna |
| CN112615659A (en) * | 2020-11-24 | 2021-04-06 | 泰斗微电子科技有限公司 | Data channel switching method and Beidou multichannel antenna |
| 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 |
-
2017
- 2017-08-14 CN CN201721009257.9U patent/CN207149690U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109599667A (en) * | 2018-11-09 | 2019-04-09 | 南京理工大学 | A kind of double-circle polarization suitching type ultra wide bandwidth beam antenna |
| CN109546346A (en) * | 2018-11-27 | 2019-03-29 | 上海航天电子通讯设备研究所 | A kind of dual circularly polarized antenna unit of stepped construction |
| CN112615659A (en) * | 2020-11-24 | 2021-04-06 | 泰斗微电子科技有限公司 | Data channel switching method and Beidou multichannel antenna |
| CN112615659B (en) * | 2020-11-24 | 2023-06-30 | 泰斗微电子科技有限公司 | Data channel switching method and Beidou multichannel antenna |
| 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 |
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