CN207459193U - A kind of antenna for satellite communication in motion system - Google Patents
A kind of antenna for satellite communication in motion system Download PDFInfo
- Publication number
- CN207459193U CN207459193U CN201721233659.7U CN201721233659U CN207459193U CN 207459193 U CN207459193 U CN 207459193U CN 201721233659 U CN201721233659 U CN 201721233659U CN 207459193 U CN207459193 U CN 207459193U
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- antenna
- control unit
- polarization
- cpu
- sensor
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Abstract
The utility model provides a kind of antenna for satellite communication in motion system, including antenna element and antenna control unit ACU；Antenna element includes sequentially connected antenna, vertical polarization waveguide combiner, horizontal polarization waveguide combiner and duplexer；Antenna control unit ACU includes antenna attitude control unit, sensor and master controller CPU；Antenna attitude control unit includes orientation control unit, Pitch controlling unit OS and polarizing control unit；Sensor is used to gather the angular speed, acceleration and course data of antenna；The data that master controller CPU sends for reception antenna posture control unit and sensor perform acquiring satellite and are handled with tracking, and control antenna attitude control unit and sensor.The utility model can accurately and quickly acquisition and tracking satellite-signal, data transmission capacity is big, rate is fast, and bandwidth of operation is wide, upgrades favorable expandability.
Description
Technical field
The utility model belongs to technical field of satellite communication, and in particular to a kind of antenna for satellite communication in motion system.
Background technology
Communication in moving, that is, ground satellite station on the move communication system, it is intended to mobile for vehicle, steamer, aircraft in movement etc.
Carrier provides the tracking communication of the platforms such as real-time satellite, the multimedia messages such as voice, data, image is transmitted incessantly, with full
The needs of multimedia communication under the various emergency communications of foot and mobile condition.
SOTM satellite antenna following principle is to detect antenna beam direction and satellite according to the satellite-signal received
Angular error between direction is directed toward according to error transfer factor antenna so as to reaching tracking satellite using tracking servo master controller
Purpose.The antenna for satellite communication in motion system key problem to be solved is overcome in motion process, is waved, impacts, is run to what antenna generated
It the interference brought such as winnows with a dustpan, enables the antenna to accurately be directed at tracking satellite, with more rapid and better transmission of large capacity data message.
Therefore it is badly in need of that a kind of tracking velocity is fast, tracking accuracy is high, it is simple in structure, design rational antenna for satellite communication in motion system.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of antenna for satellite communication in motion system, the antenna for satellite communication in motion system
System can accurately and quickly acquisition and tracking satellite-signal, data transmission capacity is big, rate is fast, and bandwidth of operation is wide, upgrades autgmentability
It is good.
The utility model provides following technical solution：
A kind of antenna for satellite communication in motion system, including antenna element and antenna control unit ACU；Antenna element includes being sequentially connected
Antenna, vertical polarization waveguide combiner, horizontal polarization waveguide combiner and duplexer；Antenna control unit ACU includes antenna
Posture control unit, sensor and master controller CPU；Antenna attitude control unit includes orientation control unit, pitch control list
Member and polarizing control unit；Antenna attitude control unit receives the instruction control antenna attitude adjustment of master controller CPU, and by day
Orientation, pitching and the polarization data of line are sent to master controller CPU；Sensor be used to gathering the angular speed of antenna, acceleration and
Course data；The data that master controller CPU sends for reception antenna posture control unit and sensor, perform acquiring satellite with
Tracking is handled, and controls antenna attitude control unit and sensor.
Preferably, orientation control unit includes azimuth-drive motor controller, azimuth-drive motor and azimuth encoder；Azimuth-drive motor control
Device processed is controlled by main control CPU；Azimuth-drive motor controller control azimuth motor performs rotating forward, reversion, shutdown and short-circuit braking behaviour
Make；The bearing data of azimuth-drive motor is sent to main control CPU by azimuth encoder；Pitch controlling unit OS includes pitching motor and bows
Face upward encoder；Pitching motor is controlled by main control CPU；Pitching encoder is by the pitching data sending of pitching motor to main control
CPU；Polarizing control unit includes transmitting polarization controller, transmitting polarization motor and receives polarization controller；Emit polarizing control
Device and the CPU controls of reception polarization controller main controller；Emit the rotation of polarization controller control transmitting polarization motor, receive
Polarization controller controls and receives the setting of polarization decay device.
Preferably, antenna is the array antenna that mutiple antennas submatrix is formed.
Preferably, antenna control unit ACU is additionally provided with the antenna control unit ACU interfaces being connected with master controller CPU, day
Line traffic control unit ACU interfaces provide user computer or button control or monitoring aerial operating status and connect with external function module
It connects.
Preferably, sensor includes electronic gyroscope, electronic compass and inclinator.
Preferably, master controller CPU uses 32 STM micro-chip processors based on ARM cores.
Preferably, signal processing unit is further included, signal processing unit includes sequentially connected low noise block downconverter
LNB, VSAT modem and up-conversion power amplifier BUC, low noise block downconverter LNB are connected with duplexer output terminal,
Up-conversion power amplifier BUC is connected with duplexer input terminal.
Preferably, master controller CPU input terminals connection beacon receiver and/or laser gyro package, beacon receiver connect
Receive the vertical-horizontal polarization beacon signal that satellite repeater is sent；Laser gyro package is for the accurate angular speed for measuring antenna.
The beneficial effects of the utility model are：
1st, the utility model is simple in structure, and design is reasonable, easy to operate.
2nd, the utility model uses modularized design, and flexibility is high, is easy to extend and updates upgrading, is applicable to a variety of answer
Use occasion.
3rd, the utility model antenna uses the phased array design for including multiple submatrixs, and corresponding channel paths are more, transmits number
According to capacity is big, transmission speed is fast.
4th, the utility model resolves antenna beam and is directed toward between satellite direction using high-performance CPU as master controller
Error angle, performs acquiring satellite and tracking calculating processing is fast, and quickly can highly accurately control pitching, direction and polarization electricity
Machine makes tested rotating platform to optimum posture, to promote the quality and speed that receive transmitting signal.
5th, the utility model sensor includes electronic gyroscope, electronic compass and inclinator, can accurately measure adjustment antenna
Various parameters data needed for posture.
6th, the utility model can be used beacon receiver and receive the vertical-horizontal polarization beacon signal that satellite repeater is sent,
Being promoted has the alignment speed and precision of beacon satellite.
7th, the utility model accurately and fast, steadily acquisition and tracking satellite-signal, bandwidth of operation is wide, is not limited to satellite
Whether there are beacon and signal modulation mode, have a wide range of application.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
New embodiment for explaining the utility model, does not form the limitation to the utility model together.In the accompanying drawings：
Fig. 1 is the utility model structure diagram.
In figure mark for：1st, antenna element；2nd, antenna control unit ACU；3rd, signal processing unit；11st, antenna；12nd, hang down
Straight poled waveguide combiner；13rd, horizontal polarization waveguide combiner；14th, duplexer；21st, antenna attitude control unit；22nd, sense
Device；23rd, master controller CPU；24th, antenna control unit ACU interfaces；25 beacon receivers；26th, laser gyro package；211 orientation
Electric machine controller；212nd, azimuth-drive motor；213rd, azimuth encoder；214th, pitching motor；215th, pitching encoder；216th, emitter
Change controller；217th, transmitting polarization motor；218th, polarization controller is received.
Specific embodiment
The preferred embodiment of the utility model is described below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of antenna for satellite communication in motion system, including antenna element 1 and antenna control unit ACU2；Antenna element
1 includes sequentially connected antenna 11, vertical polarization waveguide combiner 12, horizontal polarization waveguide combiner 13 and duplexer 14.
Specifically, vertical polarization waveguide combiner 12, horizontal polarization waveguide combiner 13 for transmitting signal feed network with
And receive signal combining network；Vertical polarization, horizontal polarization signals are located at two independences, non-interfering physical layer respectively.
Antenna control unit ACU2 includes antenna attitude control unit 21, sensor 22 and master controller CPU23.Antenna appearance
State control unit 21 includes orientation control unit, Pitch controlling unit OS and polarizing control unit.Antenna attitude control unit 21 connects
Instruction control 11 pose adjustment of antenna of master controller CPU23 is received, and the orientation of antenna 11, pitching and polarization data are sent to
Master controller CPU23.Specifically, orientation control unit includes azimuth-drive motor controller 211, azimuth-drive motor 212 and azimuth coding
Device 213；Azimuth-drive motor controller 211 is controlled by main control CPU23；211 control azimuth motor 212 of azimuth-drive motor controller performs
It rotates forward, invert, shutting down and short-circuit braking operates；The bearing data of azimuth-drive motor 212 is sent to main control by azimuth encoder 213
CPU23.Pitch controlling unit OS includes pitching motor 214 and pitching encoder 215；Pitching motor 214 is controlled by main control CPU23
System；Pitching encoder 215 is by the pitching data sending of pitching motor 214 to main control CPU 23.
Specifically, polarizing control unit includes transmitting polarization controller 216, transmitting polarization motor 217 and receives polarization control
Device 218 processed；Emit polarization controller 216 and receive 218 main controller CPU23 of polarization controller controls.Emit polarizing control
Device 216 receives the order from master cpu by bus, and control transmitting polarization motor 217 rotates a certain angle, as antenna
To the compensation of polarisation angles during transmission.During emitting polarizing control, by gathering mobile platform geographical coordinate and attitude parameter,
Calculate the deviation of the polarization of current antenna 11 and satellite repeater polarization direction, and control transmitting polarization motor 217 or logical respectively
It crosses reception polarization controller 218 and controls and receives the attenuator numerical value to polarize on pcb board, change vertical/horizontal polarized signal amplitude,
So that the polarization that signal is exported after synthesis is matched with synchronous communication satellite.
Specifically, antenna 11 is the array antenna that mutiple antennas submatrix is formed.Specifically, the quantity of antenna submatrix is 4.
Specifically, 4 submatrixs form an aerial radiation face battle array, to satellite launch uplink communication signal, satellite repeater downlink is received
Signal.
Specifically, sensor 22 is used to gather the angular speed, acceleration and course data of antenna 11.Specific sensor 22
Including electronic gyroscope, electronic compass and inclinator.
Specifically, further including signal processing unit 3, signal processing unit 3 includes sequentially connected low noise block downconverter
LNB31, VSAT modem 32 and up-conversion power amplifier BUC33, low noise block downconverter LNB31 and duplexer 14 are defeated
Outlet is connected, and up-conversion power amplifier BUC33 is connected with 14 input terminal of duplexer.Data are transmitted to day by signal processing unit 3
Line traffic control unit ACU interfaces 24.
Specifically, the function of antenna control unit ACU2 be collect current championship information and 11 position coordinates of current antenna,
Antenna attitude data are handled by master controller CPU23 optimization algorithms, adjust the polarization direction of antenna 11, drive orientation/pitching
Motor rotates to optimization angle, satellite is captured in the shortest time, with highest precision tracking satellite.
Specifically, the data that master controller CPU23 sends for reception antenna posture control unit 21 and sensor 22, hold
Row acquiring satellite is handled with tracking, and controls antenna attitude control unit 21 and sensor 22.Specifically, master controller CPU23
Using 32 STM micro-chip processors based on ARM cores.Master controller CPU23 receives the appearance from sensor 22 by bus
State information carries out coordinate transform calculating, obtains the error signal of antenna coordinate system, and each motor is driven to be transported to opposite direction is disturbed
It is dynamic, it is ensured that antenna 11 is directed toward satellite always；The working condition of system is monitored simultaneously.
Specifically, antenna control unit ACU2 is additionally provided with the antenna control unit ACU interfaces being connected with master controller CPU23
24, antenna control unit ACU interface 24 provides user computer or button control or 11 operating status of monitoring aerial and and circumferential work
It can module connection.
Specifically, master controller CPU23 input terminals can also connect beacon receiver 25 and/or laser gyro package 26,
Beacon receiver 25 receives the vertical-horizontal polarization beacon signal that satellite repeater is sent；Laser gyro package 26 is for accurately survey
Measure the angular speed of antenna.
Specifically, the connection mode of master controller CPU23 and critical piece is：By 5V SPI interfaces drive antenna plate,
Polarizing control unit；Pass through DC interface drivers pitching motor 214；Pass through DAC digital analog converter buffers connection orientation electricity
Machine controller 211；Beacon receiver 25 is driven by RS232 interface；Pass through RS485 interface drivers sensor 22.Master controller
CPU23 also optionally connects 4 sets of stepper motors.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies to the technical solution recorded in foregoing embodiments or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles of the present invention, any modifications, equivalent replacements and improvements are made should be included in this practicality
Within new protection domain.
Claims (8)
1. a kind of antenna for satellite communication in motion system, which is characterized in that
Including antenna element and antenna control unit ACU；
The antenna element includes sequentially connected antenna, vertical polarization waveguide combiner, horizontal polarization waveguide combiner and double
Work device；
The antenna control unit ACU includes antenna attitude control unit, sensor and master controller CPU；
The antenna attitude control unit includes orientation control unit, Pitch controlling unit OS and polarizing control unit；
The antenna attitude control unit receives the instruction control antenna attitude adjustment of the master controller CPU, and by the day
Orientation, pitching and the polarization data of line are sent to the master controller CPU；
The sensor is used to gather the angular speed, acceleration and course data of the antenna；
The master controller CPU is used to receive the data that the antenna attitude control unit and the sensor are sent, and execution is defended
Star is captured to be handled with tracking, and controls the antenna attitude control unit and the sensor.
2. antenna for satellite communication in motion system according to claim 1, which is characterized in that
The orientation control unit includes azimuth-drive motor controller, azimuth-drive motor and azimuth encoder；
The azimuth-drive motor controller is controlled by the main control CPU；
The azimuth-drive motor controller controls the azimuth-drive motor to perform rotating forward, reversion, shutdown and short-circuit braking operation；The side
The bearing data of the azimuth-drive motor is sent to the main control CPU by position encoder；
The Pitch controlling unit OS includes pitching motor and pitching encoder；
The pitching motor is controlled by the main control CPU；
The pitching encoder gives the pitching data sending of the pitching motor to the main control CPU；
The polarizing control unit includes transmitting polarization controller, transmitting polarization motor and receives polarization controller；
The transmitting polarization controller and the CPU controls of reception polarization controller main controller；
The rotation of the transmitting polarization controller control transmitting polarization motor；
The setting for receiving polarization controller and controlling and receiving polarization decay device.
3. antenna for satellite communication in motion system according to claim 2, which is characterized in that the antenna is formed for mutiple antennas submatrix
Array antenna.
4. antenna for satellite communication in motion system according to claim 3, which is characterized in that the antenna control unit ACU is additionally provided with
The antenna control unit ACU interfaces being connected with master controller CPU, the antenna control unit ACU interfaces provide user computer or
Button control monitors the antenna operating status and is connected with external function module.
5. antenna for satellite communication in motion system according to claim 4, which is characterized in that the sensor includes electronic gyroscope, electricity
Sub- compass and inclinator.
6. antenna for satellite communication in motion system according to claim 5, which is characterized in that the master controller CPU uses 32 bases
In the STM micro-chip processors of ARM cores.
7. antenna for satellite communication in motion system according to claim 6, which is characterized in that further include signal processing unit, the letter
Number processing unit includes sequentially connected low noise block downconverter LNB, VSAT modem and up-conversion power amplifier
BUC, the low noise block downconverter LNB are connected with the duplexer output terminal, the up-conversion power amplifier BUC with it is described
Duplexer input terminal is connected.
8. antenna for satellite communication in motion system according to any one of claims 1 to 7, which is characterized in that the master controller CPU is defeated
Enter end connection beacon receiver and/or laser gyro package, the beacon receiver receives the vertical water that satellite repeater is sent
Mean pole beacon signal；The laser gyro package is used to accurately measure the angular speed of the antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721233659.7U CN207459193U (en) | 2017-09-25 | 2017-09-25 | A kind of antenna for satellite communication in motion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721233659.7U CN207459193U (en) | 2017-09-25 | 2017-09-25 | A kind of antenna for satellite communication in motion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207459193U true CN207459193U (en) | 2018-06-05 |
Family
ID=62283855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721233659.7U Expired - Fee Related CN207459193U (en) | 2017-09-25 | 2017-09-25 | A kind of antenna for satellite communication in motion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207459193U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361032A (en) * | 2019-08-20 | 2019-10-22 | 中国民用航空总局第二研究所 | A kind of Auto-Test System and method of vehicle load measurement civil aviation navigation equipment |
| CN112491459A (en) * | 2020-11-19 | 2021-03-12 | 成都迅翼卫通科技有限公司 | Vehicle-mounted satellite communication antenna feeder system and antenna kit for communication in motion |
| CN113506986A (en) * | 2021-06-03 | 2021-10-15 | 星展测控科技股份有限公司 | Communication-in-motion control system and method |
| CN113965261A (en) * | 2021-12-21 | 2022-01-21 | 南京英田光学工程股份有限公司 | Space laser communication terminal tracking precision measuring device and measuring method |
-
2017
- 2017-09-25 CN CN201721233659.7U patent/CN207459193U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361032A (en) * | 2019-08-20 | 2019-10-22 | 中国民用航空总局第二研究所 | A kind of Auto-Test System and method of vehicle load measurement civil aviation navigation equipment |
| CN112491459A (en) * | 2020-11-19 | 2021-03-12 | 成都迅翼卫通科技有限公司 | Vehicle-mounted satellite communication antenna feeder system and antenna kit for communication in motion |
| CN113506986A (en) * | 2021-06-03 | 2021-10-15 | 星展测控科技股份有限公司 | Communication-in-motion control system and method |
| CN113506986B (en) * | 2021-06-03 | 2024-02-27 | 星展测控科技股份有限公司 | Communication-in-motion control system and method |
| CN113965261A (en) * | 2021-12-21 | 2022-01-21 | 南京英田光学工程股份有限公司 | Space laser communication terminal tracking precision measuring device and measuring method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 Termination date: 20210925 |