CN106025551A - Mobile satellite receiving system - Google Patents

Mobile satellite receiving system Download PDF

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Publication number
CN106025551A
CN106025551A CN201610307432.6A CN201610307432A CN106025551A CN 106025551 A CN106025551 A CN 106025551A CN 201610307432 A CN201610307432 A CN 201610307432A CN 106025551 A CN106025551 A CN 106025551A
Authority
CN
China
Prior art keywords
satellite
control system
antenna
angle
receives
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610307432.6A
Other languages
Chinese (zh)
Inventor
唐仲华
李玉凤
覃育茂
何剑荣
梁毅翔
温梦军
梁海燕
俞华武
陆聪意
熊冰冰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUIGANG JIATE ELECTRONIC SCIENCE & TECHNOLOGY Co Ltd
Original Assignee
GUIGANG JIATE ELECTRONIC SCIENCE & TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GUIGANG JIATE ELECTRONIC SCIENCE & TECHNOLOGY Co Ltd filed Critical GUIGANG JIATE ELECTRONIC SCIENCE & TECHNOLOGY Co Ltd
Priority to CN201610307432.6A priority Critical patent/CN106025551A/en
Publication of CN106025551A publication Critical patent/CN106025551A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3216—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used where the road or rail vehicle is only used as transportation means

Landscapes

  • Position Fixing By Use Of Radio Waves (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Relay Systems (AREA)

Abstract

The invention relates to a mobile satellite receiving system comprising a control system, a gyro sensor, an electronic compass, a GPS module, a servo system, and a vehicle-mounted satellite receiving system. The gyro sensor, the electronic compass, the GPS module, the servo system, and the control system are connected electrically; and the servo system and the vehicle-mounted satellite receiving system are connected electrically. The control system carries out calculation and comparison on a received course angle of a moving driving object and pitching angle and roll angle changing values of a satellite antenna so as to deduce a course angle and a pitching angle that nee to be kept for receiving a satellite signal to form a control signal, sends the control signal to the servo system, and controls the rotation direction of the antenna, so that the central shaft of the antenna aligns the satellite all the time and thus real-time tracking is realized. According to the system, the antenna orientation can be adjusted rapidly and accurately with movement of a carrier and shielding around the antenna can be resisted, so that rapid satellite finding can be realized.

Description

A kind of mobile-satellite receives system
The application is the divisional application of the patent application of entitled " mobile-satellite reception system ", the filing date of original application 2016-1-18, Application No. 2016100303959.
Technical field
The present invention relates to mobile satellite communication technical field, be specifically related to a kind of mobile-satellite and receive system.
Background technology
Along with communication technology of satellite and the development of automatic control technology, realize at the volley will becoming with satellite Real Data Exchangs More and more universal, mobile-satellite TV is one of which application.Nowadays people are in and see that TV is not a problem, but along with Growth in the living standard, such as automobile, train, steamer etc. on mobile vehicle, people are in the urgent need to recognizing that current events are new in time Hearing, watch sports show race etc., mobile-satellite TV just can meet such demand.Realize watching on mobile vehicle defending Star TV, key technology is Mobile Receiving System.Mobile Receiving System makes the satellite antenna also can be the most right when carrier movement Satelloid, it is ensured that stablizing of TV receiving signal.Existing reception system includes microprocessor, tuner, control motor, sky Line and mechanical transmission mechanism.When system looks for star after starting to look for star or lose star again, it is first determined the longitude and latitude of present carrier position Degree, and the angle of pitch of antenna alignment satellite is determined according to this longitude and latitude.But antenna must first be turned to horizontal base by current state Quasi-face turns again to satellite direction, and such process is cumbersome, adds the time looking for star, reduces the stability of signal.
Summary of the invention
The present invention is to solve the problems referred to above, it is provided that a kind of mobile-satellite receives system, it is possible to quickly and accurately along with carrier Movement and adjust the orientation of antenna, antagonism the blocking of antenna periphery, it is achieved fast look for star.
The technical scheme is that a kind of mobile-satellite of offer receives system, including control system, gyrosensor, electronics Compass, GPS module, servosystem and Vehicular satellite receive system, described gyrosensor, electronic compass, GPS module, Servosystem electrically connects with control system, and described servosystem receives system with Vehicular satellite and electrically connects, and controls Vehicular satellite and connects The rotation of receipts system,
Described gyrosensor is for measuring the mobile course angle travelling object, and transmits to control system；
Described electronic compass is for measuring the angle of pitch and the roll angle variable quantity of satellite antenna, and transmits to control system；
Described control system is by the mobile course angle of traveling object received and the angle of pitch of satellite antenna and roll angle variable quantity Carry out calculating contrast, derive and receive course angle and the angle of pitch that satellite-signal should keep, form control signal, and control is believed Number send to servosystem, control antenna rotation direction and make center of antenna axle all the time to satelloid, it is achieved real-time tracking；
Described Vehicular satellite receives system and can also turn through V/F module according to the satellite-signal output AGC analogue signal received Control system is delivered to after changing frequency into, the frequency counting that V/F is exported by control system with the pattern of 50ms Interruption, work as signal Time maximum, represent and capture satellite again；
Described mobile-satellite receives system and also includes that GPS module, described GPS module are used for measuring the traveling current longitude and latitude of object The degree elements of a fix and the coordinate of reception synchronous satellite orbit, and transmit to control system, by the position of control system correction of timing antenna Put.
Preferably, the location method of described control system correction of timing antenna is:
The automobile current longitude and latitude elements of a fix be given by GPS, the coordinate of recycling synchronous satellite orbit, by computing formula just Can derive and receive course angle and the angle of pitch that satellite-signal should keep.
Course angle
θ = a r c t g t g ( L - δ ) t g B
The angle of pitch
Φ = a r c t g C O S B · C O S ( 1 - δ ) - 0.151 1 - [ C O S B · C O S ( 1 - δ ) ] 2
Wherein B is the latitude that mobile traveling object is current, and L is the longitude that automobile is current, and δ is the longitude of satellite.
Preferably, described servosystem includes that servo-driver and servo motor, described servo-driver receive control system Control signal, control servo motor rotation.
Preferably, described control system is single-chip microcomputer.
Preferably, it is antenna system that described Vehicular satellite receives system.
The operation principle of the present invention is: course angle that gyrosensor, electronic compass, GPS module travel object by mobile respectively, The current longitude and latitude elements of a fix and the angle of pitch of satellite antenna and roll angle variable quantity data information transfer are to control system, described The data message that control system receives carries out calculating contrast, derives and receives course angle and the angle of pitch that satellite-signal should keep, Form control signal, and send control signals to servosystem, control antenna rotation direction and make center of antenna axle be directed at all the time to defend Star, it is achieved real-time tracking；The automobile current longitude and latitude elements of a fix be given by GPS, the coordinate of recycling synchronous satellite orbit, Just can be derived by computing formula and receive course angle and the angle of pitch that satellite-signal should keep；Vehicular satellite receives system can also Enough according to the satellite-signal output AGC analogue signal received, after V/F module is converted into frequency, delivers to control system, controls system The frequency counting that V/F is exported by system with the pattern of 50ms Interruption, when signal maximum, represents and captures satellite again.
Beneficial effects of the present invention:
1, the present invention uses the combination of electronic compass, gyrosensor, GPS module, measures the angle of pitch of antenna, roll angle change Change amount and travel the course angle of object and the elements of a fix, provides more accurate data for control system information processing；
2, the present invention uses unit sheet to control servosystem, and servosystem drives antenna to carry out pitching adjustment so that the orientation of antenna Adjust more quick；
3, the present invention uses unit sheet to analyze satellite television receiver and will receive information, determines whether to capture satellite so that Position more accurate.
Accompanying drawing explanation
Fig. 1 is present system structural representation.
Detailed description of the invention
Below in conjunction with view, the present invention is described in detail.
As it is shown in figure 1, this mobile-satellite receive system, including control system, gyrosensor, electronic compass, GPS module, Servosystem and Vehicular satellite receive system, described gyrosensor, electronic compass, GPS module, servosystem and control System electrically connects, and described servosystem receives system with Vehicular satellite and electrically connects, and controls Vehicular satellite and receives the rotation of system,
Described gyrosensor is for measuring the mobile course angle travelling object, and transmits to control system；
Described electronic compass is for measuring the angle of pitch and the roll angle variable quantity of satellite antenna, and transmits to control system；
Described control system is by the mobile course angle of traveling object received and the angle of pitch of satellite antenna and roll angle variable quantity Carry out calculating contrast, derive and receive course angle and the angle of pitch that satellite-signal should keep, form control signal, and control is believed Number send to servosystem, control antenna rotation direction and make center of antenna axle all the time to satelloid, it is achieved real-time tracking.
Described Vehicular satellite receives system and can also turn through V/F module according to the satellite-signal output AGC analogue signal received Control system is delivered to after changing frequency into, the frequency counting that V/F is exported by control system with the pattern of 50ms Interruption, work as signal Time maximum, represent and capture satellite again.
Described mobile-satellite receives system and also includes that GPS module, described GPS module are used for measuring the traveling current longitude and latitude of object The degree elements of a fix and the coordinate of reception synchronous satellite orbit, and transmit to control system, by the position of control system correction of timing antenna Put.
The location method of described control system correction of timing antenna is:
The automobile current longitude and latitude elements of a fix be given by GPS, the coordinate of recycling synchronous satellite orbit, by computing formula just Can derive and receive course angle and the angle of pitch that satellite-signal should keep.
Course angle
θ = a r c t g t g ( L - δ ) t g B
The angle of pitch
Φ = a r c t g C O S B · C O S ( 1 - δ ) - 0.151 1 - [ C O S B · C O S ( 1 - δ ) ] 2
Wherein B is the latitude that mobile traveling object is current, and L is the longitude that automobile is current, and δ is the longitude of satellite.
Described servosystem includes that servo-driver and servo motor, described servo-driver receive the control letter of control system Number, control the rotation of servo motor.
Described control system is single-chip microcomputer.
It is antenna system that described Vehicular satellite receives system.
The operation principle of the present invention is: course angle that gyrosensor, electronic compass, GPS module travel object by mobile respectively, The current longitude and latitude elements of a fix and the angle of pitch of satellite antenna and roll angle variable quantity data information transfer are to control system, described The data message that control system receives carries out calculating contrast, derives and receives course angle and the angle of pitch that satellite-signal should keep, Form control signal, and send control signals to servosystem, control antenna rotation direction and make center of antenna axle be directed at all the time to defend Star, it is achieved real-time tracking；The automobile current longitude and latitude elements of a fix be given by GPS, the coordinate of recycling synchronous satellite orbit, Just can be derived by computing formula and receive course angle and the angle of pitch that satellite-signal should keep；Vehicular satellite receives system can also Enough according to the satellite-signal output AGC analogue signal received, after V/F module is converted into frequency, delivers to control system, controls system The frequency counting that V/F is exported by system with the pattern of 50ms Interruption, when signal maximum, represents and captures satellite again.

Claims (5)

1. mobile-satellite receives a system, including control system, gyrosensor, electronic compass, GPS module, servo System and Vehicular satellite receive system, described gyrosensor, electronic compass, GPS module, servosystem and control system System electrical connection, described servosystem receives system with Vehicular satellite and electrically connects, and controls Vehicular satellite and receives the rotation of system, It is characterized in that:
Described gyrosensor is for measuring the mobile course angle travelling object, and transmits to control system；
Described electronic compass is for measuring the angle of pitch and the roll angle variable quantity of satellite antenna, and transmits to control system；
The mobile course angle of traveling object received is become by described control system with the angle of pitch of satellite antenna and roll angle Change amount carries out calculating contrast, derives and receives course angle and the angle of pitch that satellite-signal should keep, and forms control signal, and will Control signal sends to servosystem, controls antenna rotation direction and makes center of antenna axle all the time to satelloid, it is achieved real-time tracking；
Described Vehicular satellite receives system can also be according to the satellite-signal output AGC analogue signal received, through V/F module Control system is delivered to after being converted into frequency, the frequency counting that V/F is exported by control system with the pattern of 50ms Interruption, When signal maximum, represent and capture satellite again；
Also include that GPS module, described GPS module are used for measuring the traveling object current longitude and latitude elements of a fix and receiving synchronization The coordinate of satellite orbit, and transmit to control system, by the position of control system correction of timing antenna.
Mobile-satellite the most according to claim 1 receives system, it is characterised in that:
The location method of described control system correction of timing antenna is:
The automobile current longitude and latitude elements of a fix be given by GPS, the coordinate of recycling synchronous satellite orbit, passes through computing formula Just can derive and receive course angle and the angle of pitch that satellite-signal should keep.
Course angle
θ = a r c t g t g ( L - δ ) t g B
The angle of pitch
Φ = a r c t g C O S B · C O S ( 1 - δ ) - 0.151 1 - [ C O S B - C O S ( 1 - δ ) ] 2
Wherein B is the latitude that mobile traveling object is current, and L is the longitude that automobile is current, and δ is the longitude of satellite.
Mobile-satellite the most according to claim 1 receives system, it is characterised in that: described servosystem includes watching Taking driver and servo motor, described servo-driver receives the control signal of control system, controls the rotation of servo motor.
Mobile-satellite the most according to claim 1 receives system, it is characterised in that: described control system is monolithic Machine.
Mobile-satellite the most according to claim 1 receives system, it is characterised in that: described Vehicular satellite receives system System is antenna system.
CN201610307432.6A 2016-01-18 2016-01-18 Mobile satellite receiving system Pending CN106025551A (en)

Priority Applications (1)

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CN201610030395.9A CN105514608A (en) 2016-01-18 2016-01-18 Mobile satellite receiving system
CN201610307432.6A CN106025551A (en) 2016-01-18 2016-01-18 Mobile satellite receiving system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112130305A (en) * 2017-05-26 2020-12-25 上海微小卫星工程中心 Satellite tracking and aiming system and wide-angle pointing method thereof

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Publication number Priority date Publication date Assignee Title
CN108321502B (en) * 2018-01-17 2021-02-19 广州市易恒信息技术有限公司 Method for indirectly calibrating scattering communication antenna through synchronous orbit satellite

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Application publication date: 20161012

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