CN209282379U - The vehicle-mounted antenna for satellite communication in motion of S frequency range - Google Patents
The vehicle-mounted antenna for satellite communication in motion of S frequency range Download PDFInfo
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- CN209282379U CN209282379U CN201821162826.8U CN201821162826U CN209282379U CN 209282379 U CN209282379 U CN 209282379U CN 201821162826 U CN201821162826 U CN 201821162826U CN 209282379 U CN209282379 U CN 209282379U
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- antenna
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- motion
- frequency range
- satellite communication
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Abstract
The utility model discloses a kind of vehicle-mounted antenna for satellite communication in motion of S frequency range, including antenna house, chassis and turntable, in the closed structure that the antenna house and chassis are formed, including antenna array system, mechanical servo and Beidou antenna unit；The antenna array system includes aerial array, and each antenna element of aerial array is evenly arranged in aerial array support plate, is fed by power division network；The mechnical servo unit includes master control borad, transmitting-receiving subassembly, power supply module, inertial navigation module, servo sensor and motor, and each component is connected by cable.The utility model compared with prior art, reduces Mechanical course difficulty, improves the stability of structure and control, and electric scanning is used on pitching face, and speed faster, and more meets vehicle driving feature, may be implemented in real time to satelloid；Using active phased array, gain is higher, and beam coverage is wider；Tracking accuracy, system stability and anti-interference ability have all obtained significant raising.
Description
Technical field
The present invention relates to satellite communication antena more particularly to a kind of vehicle-mounted antenna for satellite communication in motion of S frequency range.
Background technique
Communication in moving is the abbreviation of " ground satellite station communication system on the move ".By communication in moving system, vehicle, steamer,
The mobile vehicles such as aircraft during the motion, can by real-time tracking geostationary satellite, realize continual transmitting voice,
The multimedia messages such as data, the dynamic video image of high-resolution, fax, meet quickly, conveniently, efficiently, reliably emergency communication
And the data transfer demands under mobile condition.Therefore, satellite communication suffers from more and more extensive answer in two fields of the army and the people
Use prospect.
Currently, the vehicle-mounted antenna for satellite communication in motion of S frequency range uses mechnical servo mainly to realize antenna array in orientation and pitching
Rotation on face.And vehicle is in the process of moving, direction of advance will not usually occur acutely to change, mechanically control azimuth
Variation, speed are enough；When vehicle is travelled in field bumpy road, encounters when significantly jolting, go up and down, tilting, need antenna wave
Beam is covered on a large scale in pitching face, and uses the antenna for satellite communication in motion of full mechanical servo, on the one hand there is wave cover
Less than the case where；On the other hand, it when jolting violent, needs to adjust beam position by servo-system frequent operation, drop significantly
The service life of low servo-system, so that causing the stability of system reduces.
Utility model content
Purpose of utility model: in view of the problems of the existing technology, machine is used the purpose of the utility model is to provide a kind of
Tool scans the vehicle-mounted antenna for satellite communication in motion of S frequency range combined with electric scanning, to improve system stability and tracking accuracy.
Technical solution: a kind of vehicle-mounted antenna for satellite communication in motion of S frequency range, including antenna house, chassis and turntable, in the antenna house and
In the closed structure that chassis is formed, including antenna array system, mechanical servo and Beidou antenna unit；The aerial array
System includes aerial array, and each antenna element of aerial array is evenly arranged in aerial array support plate, is presented by power division network
Electricity, the normal direction elevation angle of the aerial array are 52.5 °；The mechnical servo unit includes master control borad, transmitting-receiving subassembly, power supply group
Part, inertial navigation module, servo sensor and motor, each component are connected by cable.The antenna uses helical antenna.
Preferably, the power division network is set to the back side of aerial array support plate, to day by way of parallel connection back feedback
Linear array is fed.
The aerial array is 3 × 4 active phased arrays, and feed amplitude, the phase of 4 antenna elements of 3 rows are consistent；Often
The relative position of the feeding point of 3 antenna elements of column is identical, and the feeding point of the two neighboring antenna element of every row differs 90 °.
The Beidou antenna unit include the first Beidou antenna and the second Beidou antenna, wherein the first Beidou antenna with turn
Platform is contour, and the second Beidou antenna and the top of aerial array support plate are contour.
It is further preferred that transmitting-receiving subassembly and turntable use integrated design；The power supply module uses split-type design.
In addition, the back side of the power division network adds metal backing, metal backing is fixed on turntable by riding
On.
The utility model has the advantages that compared with prior art, the utility model has following progress: 1, using azimuth plane mechanical scanning and
The Closed loop track mode that the electric scanning of pitching face combines less with a set of mechanical servo, does not need two compared with prior art
Shaft device reduces Mechanical course difficulty, improves the stability of structure and control；Electric scanning, speed are used on pitching face
Faster, and more meet vehicle driving feature, may be implemented in real time to satelloid；2, the aerial array used for active phased array,
Gain is higher, and beam coverage is wider, and in conjunction with the inclined installation of antenna array, the covering of 15 °~90 ° of pitching face may be implemented,
And 5 ° of steppings, tracking accuracy are high；Meanwhile amplitude and phase are fed by changing, the directional diagram of antenna array can be carried out certain
The figuration of degree and zeroing reduce antenna for satellite communication in motion to the radio frequency interference of other systems, while also improving the anti-interference energy of itself
Power；3, power supply module uses split-type design, while installing metal backing additional in aerial array support back, reduces mutual coupling and makes
At system self-excitation, improve system stability；4, transmitting-receiving subassembly and turntable carry out integrated design, improve dissipating for transmitting-receiving subassembly
Hot property；5, in aerial array, the feeding point relative position of each column is identical, the feeding point phase of the two neighboring antenna element of every row
Poor 90 °, enhance the circular polarisation effect of array；6, double Beidou antennas using one in front and one in back, one low one high layout, improve tracking
Precision.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the left rear side structural schematic diagram of the utility model；
Fig. 3 is the left side structure schematic diagram of the utility model；
Fig. 4 is the right lateral side structural schematic diagram of the utility model；
Fig. 5 is the front side structure schematic diagram of the utility model.
Specific embodiment
The technical solution of the utility model is described further with reference to the accompanying drawing.
The Closed loop track mode that the utility model integrally uses mechanical scanning to combine with electric scanning uses machine in azimuth plane
Tool scanning uses electric scanning in pitching face；As shown in Figure 1, antenna house 1 is mounted on chassis 2, remaining each component is both herein
It is formed in closed structure.Fig. 2-Fig. 5 gives the schematic diagram of internal structure under the utility model different perspectives, in the present embodiment,
Aerial array 3 is preferably 3 × 4 active phased arrays, and antenna element uses helical antenna, and power division network 15 is located at aerial array
17 back side of support plate feeds aerial array 3 by way of parallel connection back feedback, i.e., carries out respectively to 3 row aerial arrays 3
Feed, 4 antenna elements feed amplitude, the phase of every row are consistent；Specifically, 3 antenna elements of each column aerial array 3
16 relative position of feeding point it is identical, the feeding point 16 of the two neighboring antenna element of every row aerial array 3 differs 90 °；Further
Preferably, 15 back side of power division network installs metal backing 6 additional, is then fixed on turntable 8 by the inclination of bracket 7, aerial array 3
The normal direction elevation angle is 52.5 °, it is ensured that the scanning angle of antenna array covers required region on pitching face.Beidou antenna list
Member 4 includes the first Beidou antenna 401 and the second Beidou antenna 402, the two in one in front and one in back, a low high layout, the first Beidou
With height, the second Beidou antenna 402 and the top of aerial array support plate 17 are same high for antenna 401 and turntable 8.
At 17 side rear of aerial array support plate, master control borad 9, power supply module 11, inertial navigation module 12, is watched transmitting-receiving subassembly 10
Take sensor 13, motor 14 is each attached on turntable 8, to each other by cable be connected, cable does shielding processing；Turntable 8 passes through
Slip ring 5 is fixed on chassis 2.Wherein, transmitting-receiving subassembly 10 is the integrated design with turntable 8, and existing transmitting-receiving subassembly is point
Body formula modularization, i.e., each component are attached in a box after designing, and are then fixed on chassis by screw etc.；This is practical
Novel integrated design refers to when designing turntable, just directly opens the shell of transmitting-receiving subassembly on the chassis of turntable
The pcb board of mould, transmitting-receiving subassembly is placed directly in box, is then closed the lid.This have the advantage that transmitting-receiving subassembly dissipates
It is hot big, and chassis is metal material, is conducive to assembly radiating；Traditional split type mode, there are one between transmitting-receiving subassembly and turntable
Fixed gap is unfavorable for radiating.
Secondly, power supply module 11 uses split-type design, and it is split type i.e. independent between each other, it is protected between each other using cable
Hold electrical connection.In the present embodiment, including three power supplys, simultaneously because adding metal backing at the back side of aerial array support plate
6, to reduce system self-excitation caused by mutual coupling.
After said modules are installed, workflow is as follows: after booting, power supply module 11 input signal is decomposed after to each
Functional module power-up；Using Beidou antenna unit 4 measure real-time course to inertial navigation module 12 carry out real time calibration, master control borad 9
According to course, roll, pitching, longitude and the latitude after calibration, by coordinate transform, satellite relative antenna array is calculated in real time
3 angle change is adjusted the azimuth of aerial array 3 by servo sensor 13 and motor 14 respectively, passes through transmitting-receiving subassembly
10 and power division network 15 adjust the pitch angle of aerial array 3, realize wave beam to the real-time tracking of satellite to control.
Claims (9)
1. a kind of vehicle-mounted antenna for satellite communication in motion of S frequency range, including antenna house (1), chassis (2) and turntable (8), it is characterised in that: in institute
It states in antenna house (1) and the closed structure of chassis (2) formation, including antenna array system, mechanical servo and Beidou antenna
Unit (4)；
The antenna array system includes aerial array (3), and each antenna element of aerial array (3) is evenly arranged in aerial array
In support plate (17), fed by power division network (15)；
The mechanical servo includes master control borad (9), transmitting-receiving subassembly (10), power supply module (11), inertial navigation module (12), servo
Sensor (13) and motor (14), each component are connected by cable.
2. the vehicle-mounted antenna for satellite communication in motion of S frequency range according to claim 1, it is characterised in that: the power division network (15) is set to
The back side of aerial array support plate (17) feeds aerial array (3) by way of parallel connection back feedback.
3. the vehicle-mounted antenna for satellite communication in motion of S frequency range according to claim 2, it is characterised in that: the aerial array (3) is 3 × 4
Active phased array, feed amplitude, the phase of 4 antenna elements of 3 rows are consistent；The feeding point of 3 antenna elements of each column
Relative position is identical, and the feeding point of the two neighboring antenna element of every row differs 90 °.
4. the vehicle-mounted antenna for satellite communication in motion of S frequency range according to claim 1, it is characterised in that: Beidou antenna unit (4) packet
Including the first Beidou antenna (401) and the second Beidou antenna (402), wherein the first Beidou antenna (401) and turntable (8) are contour, the
Two Beidou antennas (402) and the top of aerial array support plate (17) are contour.
5. the vehicle-mounted antenna for satellite communication in motion of S frequency range according to claim 1, it is characterised in that: the normal direction of the aerial array (3)
The elevation angle is 52.5 °.
6. the vehicle-mounted antenna for satellite communication in motion of S frequency range according to claim 1, it is characterised in that: transmitting-receiving subassembly (10) and turntable (8)
Using integrated design.
7. the vehicle-mounted antenna for satellite communication in motion of S frequency range according to claim 1, it is characterised in that: the power supply module (11) uses
Split-type design.
8. the vehicle-mounted antenna for satellite communication in motion of S frequency range according to claim 1, it is characterised in that: the back of the power division network (15)
Face adds metal backing (6), and metal backing (6) is fixed on turntable (8) by bracket (7) inclination.
9. the vehicle-mounted antenna for satellite communication in motion of S frequency range according to claim 1, it is characterised in that: the antenna uses helical antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821162826.8U CN209282379U (en) | 2018-07-23 | 2018-07-23 | The vehicle-mounted antenna for satellite communication in motion of S frequency range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821162826.8U CN209282379U (en) | 2018-07-23 | 2018-07-23 | The vehicle-mounted antenna for satellite communication in motion of S frequency range |
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| Publication Number | Publication Date |
|---|---|
| CN209282379U true CN209282379U (en) | 2019-08-20 |
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ID=67598175
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821162826.8U Active CN209282379U (en) | 2018-07-23 | 2018-07-23 | The vehicle-mounted antenna for satellite communication in motion of S frequency range |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004334A (en) * | 2018-07-23 | 2018-12-14 | 南京华讯方舟通信设备有限公司 | The vehicle-mounted antenna for satellite communication in motion of S frequency range |
| CN111162379A (en) * | 2019-12-31 | 2020-05-15 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Polarization adjustable antenna array based on double-layer patch antenna |
| CN112531350A (en) * | 2021-02-07 | 2021-03-19 | 星展测控科技股份有限公司 | Phased array antenna, communication device and communication-in-motion equipment |
-
2018
- 2018-07-23 CN CN201821162826.8U patent/CN209282379U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004334A (en) * | 2018-07-23 | 2018-12-14 | 南京华讯方舟通信设备有限公司 | The vehicle-mounted antenna for satellite communication in motion of S frequency range |
| CN109004334B (en) * | 2018-07-23 | 2023-11-10 | 武汉华讯国蓉科技有限公司 | S-band on-vehicle communication-in-motion antenna |
| CN111162379A (en) * | 2019-12-31 | 2020-05-15 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Polarization adjustable antenna array based on double-layer patch antenna |
| CN112531350A (en) * | 2021-02-07 | 2021-03-19 | 星展测控科技股份有限公司 | Phased array antenna, communication device and communication-in-motion equipment |
| CN112531350B (en) * | 2021-02-07 | 2021-05-25 | 星展测控科技股份有限公司 | Phased array antenna, communication device and communication-in-motion equipment |
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Effective date of registration: 20220111 Address after: 430000 room 02, 4 / F, building A3, Wuhan International Enterprise Center, No. 1, Guanshan Second Road, Donghu New Technology Development Zone, Wuhan, Hubei Province Patentee after: WUHAN HUAXUN GUORONG TECHNOLOGY CO.,LTD. Address before: Room 1002, 301 Hanzhongmen street, Gulou District, Nanjing City, Jiangsu Province, 210000 Patentee before: CHINA COMMUNICATION TECHNOLOGY (NANJING) Co.,Ltd. |
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Effective date of registration: 20220624 Address after: 518000 404, building 37, chentian Industrial Zone, chentian community, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Huaxun ark Photoelectric Technology Co.,Ltd. Address before: 430000 room 02, 4 / F, building A3, Wuhan International Enterprise Center, No. 1, Guanshan Second Road, Donghu New Technology Development Zone, Wuhan, Hubei Province Patentee before: WUHAN HUAXUN GUORONG TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |