CN206451821U - Using the global navigation satellite terminal antenna of air dielectric - Google Patents
Using the global navigation satellite terminal antenna of air dielectric Download PDFInfo
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- CN206451821U CN206451821U CN201621276436.4U CN201621276436U CN206451821U CN 206451821 U CN206451821 U CN 206451821U CN 201621276436 U CN201621276436 U CN 201621276436U CN 206451821 U CN206451821 U CN 206451821U
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- lateral part
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- global navigation
- navigation satellite
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- Waveguide Aerials (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Using the global navigation satellite terminal antenna of air dielectric, it is related to antenna technology, the antenna that more particularly to satellite navigation is used.The utility model includes at least 4 coupling probes, radiator and compensating unit, and coupling probe, radiator and compensating unit are arranged on chassis；The coupling probe includes lateral part and longitudinal component, in coupling probe, the lateral part for having 4 probes is set according to crossing distribution, referred to as excitation probe, the lateral part of every excitation probe is a criss-cross arm, radiator is arranged at the top of excitation probe, and the metal parts set around excitation probe constitutes compensating unit.The beneficial effects of the utility model are to simplify the technological process of antenna, reduce the cost of antenna, improve the gain of antenna system.
Description
Technical field
The utility model is related to antenna technology, the antenna that more particularly to satellite navigation is used.
Background technology
Satellite navigation system refers to provide position, speed, time for the various carriers of ground stone, ocean, space, and space
Deng the professional system of information service.It can be achieved to target location navigation, supervision, management.It plays important in national economy
Effect.
With the constantly improve of triones navigation system, the current country has been able to receive GPS, the Big Dipper, GLONASS, Jia Li
Slightly four sets of satellite navigation system signals, use microstrip antenna satellite navigation system terminal antenna more, and microstrip antenna is resonant mode
Antenna, working frequency is narrow, it has to use double antenna, realizes that broadband is covered using laminated construction, antenna covering above
High band, lower surface antenna covers low-frequency range, and microstrip antenna above uses the medium of high-k, and following antenna uses low
The medium of dielectric constant, because the dielectric permittivity that two antennas are used is different, frequency drift is also different as caused by media substrate, because
The phase center of this two antenna is difficult to accomplish to be completely superposed with machine center, so that cause measurement error, and due to this error
It is random it is difficult to eliminate.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of low cost, good, lightweight performance, high gain, taken
Band is convenient, and working frequency covers the air dielectric microstrip antenna of four navigation system from 1150MHz-1650MHz.
The technical scheme that the utility model solves the technical problem use is, using the global navigation satellite of air dielectric
Terminal antenna, it is characterised in that including at least 4 coupling probes, radiator and compensating unit, coupling probe, radiator and benefit
Unit is repaid on chassis；
The coupling probe includes lateral part and longitudinal component, in coupling probe, have the lateral parts of 4 probes according to
Crossing distribution is set, referred to as excitation probe, and the lateral part of every excitation probe is a criss-cross arm, and radiator is set
In the top of excitation probe, the metal parts set around excitation probe constitutes compensating unit.
Further, the lateral part of excitation probe is set to be orthogonal.The lateral part of excitation probe is set to be coplanar.
One end connection lateral part of the longitudinal component of excitation probe, and be located at the connection end of lateral part criss-cross
Outside (i.e. deep side), other end connection external circuit interface.The lateral part of excitation probe is according to Central Symmetry
Mode set.
The compensating unit is the 12 pieces of metallic plates set according to circumference.
Further, the position relationship of each part is：
If a reference planes and an axis of reference perpendicular to the reference planes,
4 excitation root probes are set around axis of reference, and its lateral part is all parallel to reference planes, and longitudinal component is parallel
In axis of reference, the tie point of lateral part and longitudinal component is located at the side of the remote axis of reference of lateral part；
Radiator is the metal plate parallel to reference planes；
Compensating unit is at least 6 pieces metallic plates set around axis of reference circumference, and the center of circle is on axis of reference, each metal
Plate is all perpendicular to reference planes.
Direction is defined：Herein using chassis direction as lower section, the lateral part of probe is located above chassis, and radiator, which is located at, to be visited
Above pin.
The beneficial effects of the utility model are to simplify the technological process of antenna, reduce the cost of antenna, improve day
The gain of linear system system.
Brief description of the drawings
Fig. 1 is the utility model shape assumption diagram schematic diagram.
Fig. 2 is the utility model contour structures side view.
Fig. 3 is the diagrammatic cross-section of the utility model contour structures driver.
Fig. 4 is use state schematic diagram of the present utility model.
Fig. 5 is stationary wave characteristic curve map of the present utility model.
Fig. 6 is circular polarisation gain characteristic curve figure of the present utility model.
Fig. 7 is directional diagram of the utility model in 1150MHz.
Fig. 8 is directional diagram of the utility model in 1207MHz.
Fig. 9 is directional diagram of the utility model in 1268MHz.
Figure 10 is directional diagram of the utility model in 1561MHz.
Figure 11 is directional diagram of the utility model in 1575MHz.
Figure 12 is directional diagram of the utility model in 1615MHz.
Figure 13 is directional diagram of the utility model in 1650MHz.
Figure 14 is that the utility model compares curve map in 1150MHz axle.
Figure 15 is that the utility model compares curve map in 1207MHz axle.
Figure 16 is that the utility model compares curve map in 1268MHz axle.
Figure 17 is that the utility model compares curve map in 1561MHz axle.
Figure 18 is that the utility model compares curve map in 1575MHz axle.
Figure 19 is that the utility model compares curve map in 1615MHz axle.
Figure 20 is that the utility model compares curve map in 1650MHz axle.
Figure 21 is to search star test result schematic diagram using dipper system of the present utility model.
Figure 22 is to search star test result schematic diagram using gps system of the present utility model.
Figure 23 is to search star test result schematic diagram using Glonass systems of the present utility model.
Embodiment
Label declaration in figure：
11 radiators
12 excitation probe longitudinal components
13 excitation probe lateral parts
14 compensating units
15 feeding networks
16 mounting seats
17 chassis
18 chassis upper surface
19 antenna houses
21 external circuit interfaces
The utility model provides a kind of global navigation satellite terminal antenna of use air dielectric, including at least 4 couplings
Probe, radiator and compensating unit, coupling probe, radiator and compensating unit are arranged on chassis；
The coupling probe includes lateral part and longitudinal component, in coupling probe, have the lateral parts of 4 probes according to
Crossing distribution is set, referred to as excitation probe, and for a criss-cross arm, (4 arms are constituted for the lateral part of every excitation probe
One cross), radiator is arranged at the top of excitation probe, and it is single that the metal parts set around excitation probe constitutes compensation
Member.Orthogonal Symmetric is coplanar centered on the lateral part of excitation probe is set.One end connection of the longitudinal component of excitation probe is laterally
Part, and it is located at criss-cross outside, other end connection external circuit interface with the connection end of lateral part.
The position relationship of each part is：
If a reference planes and an axis of reference perpendicular to the reference planes,
4 excitation root probes are set around axis of reference, and its lateral part is all parallel to reference planes, and longitudinal component is parallel
In axis of reference, the tie point of lateral part and longitudinal component is located at the side of the remote axis of reference of lateral part；
Radiator is the metal plate parallel to reference planes；
Compensating unit is at least 6 pieces metallic plates (preferably 12 pieces) set around axis of reference circumference, and the center of circle is in reference axis
On line, each metallic plate is all perpendicular to reference planes.
Referring to Fig. 2,3, one embodiment, parameter values (unit are used as：mm)：
A=86 b=36 c=134 d=10.5 f=20 g=3.2 h=86 i=100
As shown in Figure 5, antenna illustrates antenna in broadband range in 1150MHz-1650MHz frequency band range standing internal wave≤2
It is interior that there are good matching properties.
It will be appreciated from fig. 6 that the gain of the circularly polarised of antenna is more than 6dBic, illustrate that the broadband microstrip antenna gain of design has reached
To the gain level of narrow band microstrip antenna.
Fig. 7~Figure 13 is the Direction Pattern Simulation result of antenna, in order to react the stereoeffect of radiation characteristic, is taken every 30 °
Sample once, samples 7 times, because 7 directional diagrams of each frequency can be seen that their registration is fairly good, illustrates the antenna altogether
Hemispherical-pattern is that circle is symmetrical, and phase center is stable
Figure 14~Figure 20 is antenna circular polarisation simulation result, and antenna has good low elevation angle circular polarisation as can be seen from Fig.
Characteristic, is conducive to suppressing multipath effect.
Figure 21~Figure 23 is that sample antenna of the present utility model has in outdoor application Shanghai compass in ancient China Satellite Navigation Technique share
The system board cards of K708A tri- of limit company carry out searching satellite experiment, search Big Dipper B1, GPSL1, GLONASS G1 satellite navigations letter
Number.
C01, C02, C03, C05, C07, C08, C12 are the navigation of B1, B2, B3 in China's triones navigation system in Figure 21
Signal
G01, G07, G08, G11, G17, G30 are the satellite navigation letter of L1, L2, L5 in GPS of America navigation system in Figure 22
Number
R09, R10, R19, R20, R21 are the satellite navigation letter of L1, L2 in Russian GLONASS navigation system in Figure 23
Number, the carrier-to-noise ratio for receiving signal can reach 50 or so.
This suffices to show that the global navigation satellite terminal antenna of use air dielectric of the present utility model can compatible receiver
GPS, GLONASS and the signal of Beidou satellite navigation system transmitting, prominent solves single narrow band microstrip antenna, it is impossible to compatible
Receive the technical barrier of other satellite navigation signals.
Antenna of the present utility model have small volume, lightweight, dependable performance, cost it is low, it is widely used the features such as, be applicable
In bridge, mine tailing, landslide monitoring, high-rise building safe monitoring, dam safety monitoring, Driving Test/training system, electric inspection process,
Thing collection, precision agriculture, marine monitoring, forest fire protection, track traffic, high ferro transport, the locating and monitoring of key equipment, communication are led
The application such as boat.
Claims (7)
1. using the global navigation satellite terminal antenna of air dielectric, it is characterised in that including at least 4 coupling probes, radiation
Device and compensating unit, coupling probe, radiator and compensating unit are arranged on chassis；
The coupling probe is included in lateral part and longitudinal component, coupling probe, has the lateral part of 4 probes according to cross
Shape distribution is set, referred to as excitation probe, and the lateral part of every excitation probe is a criss-cross arm, and radiator is arranged at sharp
The top of probe is encouraged, the metal parts set around excitation probe constitutes compensating unit.
2. as claimed in claim 1 using the global navigation satellite terminal antenna of air dielectric, it is characterised in that excitation probe
Lateral part for it is orthogonal set.
3. as claimed in claim 1 using the global navigation satellite terminal antenna of air dielectric, it is characterised in that excitation probe
Lateral part for it is coplanar set.
4. as claimed in claim 1 using the global navigation satellite terminal antenna of air dielectric, it is characterised in that excitation probe
Longitudinal component one end connection lateral part, and be located at criss-cross outside, other end connection with the connection end of lateral part
External circuit interface.
5. as claimed in claim 1 using the global navigation satellite terminal antenna of air dielectric, it is characterised in that excitation probe
Lateral part set according to centrosymmetric mode.
6. as claimed in claim 1 using the global navigation satellite terminal antenna of air dielectric, it is characterised in that the compensation
Unit is the 12 pieces of metallic plates set according to circumference.
7. as claimed in claim 1 using the global navigation satellite terminal antenna of air dielectric, it is characterised in that each part
Position relationship is：
If a reference planes and an axis of reference perpendicular to the reference planes,
4 excitation root probes are set around axis of reference, and its lateral part is all parallel to reference planes, and longitudinal component is parallel to ginseng
Examine axis, the tie point of lateral part and longitudinal component is located at the side of the remote axis of reference of lateral part；
Radiator is the metal plate parallel to reference planes；
Compensating unit is at least 6 pieces metallic plates set around axis of reference circumference, and the center of circle is on axis of reference, and each metallic plate is all
Perpendicular to reference planes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621276436.4U CN206451821U (en) | 2016-11-25 | 2016-11-25 | Using the global navigation satellite terminal antenna of air dielectric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621276436.4U CN206451821U (en) | 2016-11-25 | 2016-11-25 | Using the global navigation satellite terminal antenna of air dielectric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206451821U true CN206451821U (en) | 2017-08-29 |
Family
ID=59661693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621276436.4U Active CN206451821U (en) | 2016-11-25 | 2016-11-25 | Using the global navigation satellite terminal antenna of air dielectric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206451821U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711594A (en) * | 2016-11-25 | 2017-05-24 | 成都银丰信禾电子科技有限公司 | Global navigation satellite terminal antenna using air dielectric |
| CN110676562A (en) * | 2019-09-27 | 2020-01-10 | 广州吉欧电子科技有限公司 | Choking type GNSS satellite antenna |
-
2016
- 2016-11-25 CN CN201621276436.4U patent/CN206451821U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711594A (en) * | 2016-11-25 | 2017-05-24 | 成都银丰信禾电子科技有限公司 | Global navigation satellite terminal antenna using air dielectric |
| CN110676562A (en) * | 2019-09-27 | 2020-01-10 | 广州吉欧电子科技有限公司 | Choking type GNSS satellite antenna |
| CN110676562B (en) * | 2019-09-27 | 2021-11-16 | 广州吉欧电子科技有限公司 | Choking type GNSS satellite antenna |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 610000 Chengdu, Sichuan Province China (Sichuan) Free Trade Experimental Zone Chengdu High-tech Zone Tianfu Third Street 69, Building 9, 903 Patentee after: Chengdu Ke Sai Technology Co., Ltd. Address before: 610000 No. 1, 9 floor, 1 1 Tianfu street, Chengdu high tech Zone, Sichuan Patentee before: CHENGDU TOPANTECH CO., LTD. |
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| CP03 | Change of name, title or address |