CN203550963U - Gesture recognition device of automatic mobile satellite antenna tracking system - Google Patents
Gesture recognition device of automatic mobile satellite antenna tracking system Download PDFInfo
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- CN203550963U CN203550963U CN201320617988.7U CN201320617988U CN203550963U CN 203550963 U CN203550963 U CN 203550963U CN 201320617988 U CN201320617988 U CN 201320617988U CN 203550963 U CN203550963 U CN 203550963U
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Abstract
The utility model relates to a gesture recognition device of an automatic mobile satellite antenna tracking system. The gesture recognition device is arranged in the automatic mobile satellite antenna tracking system and comprises a GPS (Global Position System) module, a gyroscope sensor, a magnetic angle sensor and a conditioning circuit, wherein the GPS module is used for detecting current position information of the system; the gyroscope sensor is used for collecting horizontal, transverse rolling and pitching motion data of a current antenna, converting the motion data into an analog signal and outputting the analog signal to a signal conditioning circuit; the magnetic angle sensor is used for collecting the analog signal of a pitch angle of the current antenna; the conditioning circuit module is used for receiving the analog signal, processing the received signal and outputting the processed signal to a microprocessor in the tracking system. By adopting the gesture recognition device provided by the utility model, the satellite finding time can be greatly shortened and the execution efficiency of the system is improved.
Description
Technical field
The present invention relates to the automatic tracking technique of mobile satellite antenna, relate in particular to a kind of gesture recognition device of mobile satellite antenna automatic tracking system.
Background technology
Along with the development of communication technology of satellite and automatic control technology, to realize at the volley with the exchange of satellite real time data and will become more and more general, mobile-satellite TV is wherein a kind of application.Nowadays people are in and see that TV is not a problem, but along with growth in the living standard, people are in the urgent need to, as automobile, train, steamer etc. on mobile vehicle, recognizing in time topical news, watch physical culture broadcasting etc., just mobile-satellite TV can meet such demand.
Realize and on mobile vehicle, watch satellite television, gordian technique is automatic tracking system.Automatic tracking system makes the satellite antenna also can be all the time to satelloid when carrier movement, guarantees the stable of TV receiving signal.Existing automatic tracking system comprises microprocessor, GPS, antenna attitude determining device, satellite tuner, tuner, control motor, antenna and mechanical transmission mechanism.System starts to look for star or loses star while again looking for star afterwards, first according to GPS, determines the longitude and latitude of current carrier positions, and according to this longitude and latitude, determines the angle of pitch of antenna alignment satellite.But antenna must first turn to level reference by current state and be diverted to satellite direction again, and such process is more loaded down with trivial details, has increased the time of looking for star, has reduced the stability of signal.
Summary of the invention
The object of the invention is to overcome the deficiency of above prior art, provides and makes mobile satellite antenna automatic tracking system look for star a kind of gesture recognition device of mobile satellite antenna automatic tracking system more efficiently, specifically by following technical scheme, is realized:
The gesture recognition device of described mobile satellite antenna automatic tracking system, is arranged in mobile satellite antenna automatic tracking system, comprising:
Gyro sensor, measures level, roll, the luffing data of antenna and described exercise data is converted to the simulating signal of measuring current antenna movement situation for gathering;
Magnetic deviation sensor, for gathering the simulating signal of luffing angle of current antenna, described luffing angle is the angle between current aerial signal dash receiver and predefined level reference;
And signal conditioning circuit module: for receiving described simulating signal and the signal receiving being processed, signal after treatment is exported to the microprocessor in described tracker.
The further design of described gesture recognition device is, described gyro sensor comprises azimuth gyroscope, pitch gyroscope, described azimuth gyroscope faces up and is vertically mounted on antenna, and like this when antenna finds after satellite, azimuth gyroscope is sensation level and roll motion simultaneously; The luffing of pitch gyroscope induction antenna.
The further design of described gesture recognition device is, described signal conditioning circuit comprises three amplification filtering branch roads, and described amplification filtering branch road is connected with azimuth gyroscope, pitch gyroscope and magnetic deviation sensor communication respectively accordingly.
The further design of described gesture recognition device is, each described amplification filtering branch road comprises the first amplifier and the second amplifier, the inverting input of described the first amplifier and output terminal are connected with divider resistance and electric capacity, to filter the ripple in signal, signal voltage is carried out to a certain proportion of dwindling simultaneously; The inverting input of the second amplifier is connected with the signal output part of the first amplifier, signal is carried out reverse in proportion, makes it revert to forward level.
The further design of described gesture recognition device is, described divider resistance and electric capacity also connect.
The further design of described gesture recognition device is, the output terminal of described the second amplifier is connected with the digital-to-analog conversion interface of microprocessor respectively.
Advantage of the present invention is as follows:
The gesture recognition device of mobile satellite antenna automatic tracking system provided by the invention, while utilizing magnetic deviation sensor again to look for star after system starts to look for star or loses star, by magnetic deviation sensor, residing antenna current state angle be sent to microprocessor and revise with the place angle of satellite, again according to described angle correction rotary antenna, until find satellite, do not need that antenna is turned to level reference by current state and be diverted to again satellite direction, saved widely and looked for the star time, increased the execution efficiency of system.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of gesture recognition device.
Fig. 2 is the circuit theory diagrams of amplification filtering branch road.
Fig. 3 is mobile satellite antenna automatic tracking system structured flowchart.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Gesture recognition device provided by the invention is arranged in corresponding mobile satellite antenna automatic tracking system, comprises gyro sensor, magnetic deviation sensor and signal conditioning circuit, referring to Fig. 1.Gyro sensor is for gathering level, roll, the luffing data of antenna and exercise data being converted to simulating signal; Magnetic deviation sensor is used for the simulating signal of the luffing angle that gathers current antenna; The simulating signal that signal conditioning circuit module is exported for receiving gyro sensor and magnetic deviation sensor, and the signal receiving is processed, signal after treatment is exported to microprocessor in above-mentioned tracker.
Above-mentioned gyro sensor comprises azimuth gyroscope and pitch gyroscope, and above-mentioned azimuth gyroscope faces up and is vertically mounted on antenna, and like this when antenna finds after satellite, azimuth gyroscope is sensation level and roll motion simultaneously; The luffing of pitch gyroscope induction antenna.
In order to guarantee degree of accuracy and the high efficiency of transmission of collection signal, signal conditioning circuit is designed to three amplification filtering branch roads, referring to Fig. 2.These three amplification filtering branch roads are connected with azimuth gyroscope, pitch gyroscope and magnetic deviation sensor communication respectively accordingly.
Further, each amplification filtering branch road comprises the first transport and placing device and the second transport and placing device, the inverting input of the first transport and placing device and defeated end are connected with divider resistance and electric capacity, this divider resistance and electric capacity also connect, can reach the ripple filtering in signal, signal voltage be carried out to a certain proportion of object of dwindling simultaneously.The inverting input of the second amplifier is connected with the signal output part of the first amplifier, signal is carried out reverse in proportion, makes it revert to forward level.The output terminal that goes out of the second amplifier is connected with the digital-to-analog conversion interface of microprocessor respectively.
As Fig. 3, comprise microprocessor, GPS, gesture recognition device, satellite tuner, driving mechanism, antenna and mechanical transmission mechanism with the corresponding mobile satellite antenna automatic tracking system of above-mentioned gesture recognition device.The corresponding output terminal communication connection of microprocessor wherein and the conditioning circuit module of above-mentioned gesture recognition device.Microprocessor, according to the AGC level signal of the antenna attitude information of the carrier geographical location information of living in of GPS output, the output of gesture recognition device and satellite tuner output, sends motion control commands to driving mechanism, and control antenna rotates; Gesture recognition device, tuner send antenna attitude information, AGC level signal to microprocessor again, thereby have formed a complete mobile satellite antenna automatic tracking system simultaneously.Wherein driving mechanism comprises that motor, motor drive and mechanical transmission mechanism.
When the mobile satellite antenna automatic tracking system with gesture recognition device of the present invention is again looked for star after starting to look for star or losing star, first microprocessor obtains the longitude and latitude of carrier by GPS module, through microprocessor processes, calculate the luffing angle to satelloid, then coordinate magnetic deviation sensor to obtain the luffing angle of current antenna, and export this angle-data to microprocessor, through microprocessor, calculate angle correction, directly to driving mechanism, send driving signal, make driving mechanism drive antenna directly to go to the angle to star, do not need that antenna is turned to level reference by current state and be diverted to again satellite direction.Then antenna bearingt is rotated, the size of the AGC level signal of tuner output via satellite judges whether to find satellite, find after satellite, by gyro sensor, detect the motion state of antenna, and motion state is fed back to microprocessor, and detect the level signal of AGC every certain hour, through certain algorithm process, control driving mechanism work, make antenna all the time to satelloid, saved widely and looked for the star time, increased the execution efficiency of system.
Claims (6)
1. a gesture recognition device for mobile satellite antenna automatic tracking system, is arranged in mobile satellite antenna automatic tracking system, it is characterized in that comprising:
Gyro sensor, measures level, roll, the luffing data of antenna and described exercise data is converted to the simulating signal of measuring current antenna movement situation for gathering;
Magnetic deviation sensor, for gathering the simulating signal of luffing angle of current antenna, described luffing angle is the angle between current aerial signal dash receiver and predefined level reference;
And signal conditioning circuit module: for receiving described simulating signal and the signal receiving being processed, signal after treatment is exported to the microprocessor in described tracker.
2. gesture recognition device according to claim 1, it is characterized in that described gyro sensor comprises azimuth gyroscope, pitch gyroscope, described azimuth gyroscope faces up and is vertically mounted on antenna, when antenna finds after satellite, azimuth gyroscope is sensation level and roll motion simultaneously like this; The luffing of pitch gyroscope induction antenna.
3. gesture recognition device according to claim 2, is characterized in that described signal conditioning circuit comprises three amplification filtering branch roads, and described amplification filtering branch road is connected with azimuth gyroscope, pitch gyroscope and magnetic deviation sensor communication respectively accordingly.
4. gesture recognition device according to claim 3, it is characterized in that each described amplification filtering branch road comprises the first amplifier and the second amplifier, the inverting input of described the first amplifier and output terminal are connected with divider resistance and electric capacity, to filter the ripple in signal, signal voltage is carried out to a certain proportion of dwindling simultaneously; The inverting input of the second amplifier is connected with the signal output part of the first amplifier, signal is carried out reverse in proportion, makes it revert to forward level.
5. gesture recognition device according to claim 4, is characterized in that described divider resistance and electric capacity and connects.
6. gesture recognition device according to claim 4, is characterized in that the output terminal of described the second amplifier is connected with the digital-to-analog conversion interface of microprocessor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617988.7U CN203550963U (en) | 2013-09-29 | 2013-09-29 | Gesture recognition device of automatic mobile satellite antenna tracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617988.7U CN203550963U (en) | 2013-09-29 | 2013-09-29 | Gesture recognition device of automatic mobile satellite antenna tracking system |
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| Publication Number | Publication Date |
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| CN203550963U true CN203550963U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320617988.7U Expired - Lifetime CN203550963U (en) | 2013-09-29 | 2013-09-29 | Gesture recognition device of automatic mobile satellite antenna tracking system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471584A (en) * | 2013-09-29 | 2013-12-25 | 星动通讯科技（苏州）有限公司 | Posture recognition device of mobile satellite antenna automatic tracking system |
| US9966650B2 (en) | 2015-06-04 | 2018-05-08 | Viasat, Inc. | Antenna with sensors for accurate pointing |
-
2013
- 2013-09-29 CN CN201320617988.7U patent/CN203550963U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471584A (en) * | 2013-09-29 | 2013-12-25 | 星动通讯科技（苏州）有限公司 | Posture recognition device of mobile satellite antenna automatic tracking system |
| US9966650B2 (en) | 2015-06-04 | 2018-05-08 | Viasat, Inc. | Antenna with sensors for accurate pointing |
| US10651534B2 (en) | 2015-06-04 | 2020-05-12 | Viasat, Inc. | Antenna with sensors for accurate pointing |
| US11303006B2 (en) | 2015-06-04 | 2022-04-12 | Viasat, Inc | Antenna with sensors for accurate pointing |
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Granted publication date: 20140416 |
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| CX01 | Expiry of patent term |