CN203690498U - Mobile receiving system for satellite broadband high-speed signals - Google Patents
Mobile receiving system for satellite broadband high-speed signals Download PDFInfo
- Publication number
- CN203690498U CN203690498U CN201320617945.9U CN201320617945U CN203690498U CN 203690498 U CN203690498 U CN 203690498U CN 201320617945 U CN201320617945 U CN 201320617945U CN 203690498 U CN203690498 U CN 203690498U
- Authority
- CN
- China
- Prior art keywords
- satellite
- antenna
- signal
- receiving system
- mobile receiving
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a mobile receiving system for satellite broadband high-speed signals. The mobile receiving system is in communication connection with a satellite antenna and an antenna driving mechanism. The mobile receiving system includes an antenna attitude recognition device used for collecting present attitude information of an antenna; a satellite navigation module used for detecting preset position information of the mobile receiving system; a microprocessor used for receiving the attitude information and the positional information respectively sent by the antenna attitude recognition device and the satellite navigation module, processing the received information and outputting driving signals to a motor driver circuit, and outputting configuration information to a satellite tuner; a motor driver module used for receiving the driving signals sent by the microprocessor, and outputting the driving signals to a corresponding antenna driving mechanism; and the satellite tuner used for demodulating satellite signals and outputting AGC level signals to the microprocessor. The beneficial effects of the system are that: the system greatly saves the time of finding satellites, and the execution efficiency of the system is increased.
Description
Technical field
The utility model relates to satellite-signal mobile reception technology, relates in particular to a kind of Mobile Receiving System of Broadband Satellite high speed signal.
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 TV oneself 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, key technology is Mobile Receiving System.Mobile Receiving System makes the satellite antenna also can be all the time to satelloid in the time of carrier movement, guarantees the stable of TV receiving signal.Existing receiving system comprises microprocessor, tuner, control motor, antenna and mechanical transmission mechanism.System starts to look for star or loses star while again looking for star afterwards, first determines the longitude and latitude of current carrier positions, and determines the angle of pitch of antenna alignment satellite according to this longitude and latitude.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.
Utility model content
The utility model object is to overcome the deficiency of above prior art, provides and makes satellite-signal Mobile Receiving System look for star a kind of Mobile Receiving System of Broadband Satellite high speed signal more efficiently, is specifically realized by following technical scheme:
The Mobile Receiving System of described Broadband Satellite high speed signal, with satellite antenna and pedestal communication connection, comprising: antenna attitude recognition device, for gathering the current attitude information of antenna;
Satellite navigation module, for detection of the current present position of described system information;
Microprocessor, described attitude information and the described positional information sent respectively for receiving described antenna attitude recognition device and satellite navigation module, the information receiving is processed and to motor-drive circuit output drive signal, and to satellite tuner output preparation information;
Motor drive module, the driving signal sending for receiving microprocessor, and export described driving signal to respective antenna driving mechanism;
And satellite tuner, for demodulation of satellite signal, and to microprocessor output AGC level signal.
The further design of the Mobile Receiving System of described Broadband Satellite high speed signal is, described antenna attitude recognition device comprises: gyro sensor, and measure level, roll, the elevating movement data of antenna for gathering and described exercise data be converted to the analog signal of measuring current antenna movement situation;
Magnetic deviation transducer, for gathering the analog signal of luffing angle of current antenna, described luffing angle is the angle between current aerial signal dash receiver and predefined level reference;
Attitude signal conditioning circuit module: for receiving described analog signal and the signal receiving being processed, signal after treatment is exported to described microprocessor.
The further design of the Mobile Receiving System of described Broadband Satellite high speed signal is, described gyro sensor comprises azimuth gyroscope, pitch gyroscope and roll gyroscope, level, pitching and roll motion that described azimuth gyroscope, pitch gyroscope and roll gyroscope respectively can induction antennas.
The further design of the Mobile Receiving System of described Broadband Satellite high speed signal is, described attitude signal modulate circuit comprises four amplification filtering branch roads, and described amplification filtering branch road connects in azimuth gyroscope, pitch gyroscope, roll gyroscope and magnetic deviation sensor communication respectively accordingly.
The further design of the Mobile Receiving System of described Broadband Satellite high speed signal is, each described amplification filtering branch road comprises the first amplifier and the second amplifier, described the first amplifier, in order to filter the ripple in signal, is carried out a certain proportion of dwindling by signal voltage 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 the Mobile Receiving System of described Broadband Satellite high speed signal is, the output of described the second amplifier is connected with the digital-to-analogue conversion interface of microprocessor respectively.
The further design of the Mobile Receiving System of described Broadband Satellite high speed signal is, described satellite navigation module can be GPS (global positioning system) module, also can be BDS (Beidou satellite navigation system) module, or other satellite navigation modules.
The further design of the Mobile Receiving System of described Broadband Satellite high speed signal is, described motor-drive circuit comprises level translator, pitching motor drive circuit and azimuth-drive motor drive circuit, and described pitching motor drive circuit, azimuth-drive motor drive circuit communicate to connect with level translator respectively.
The further design of the Mobile Receiving System of described Broadband Satellite high speed signal is, described pitching motor drive circuit, azimuth-drive motor drive circuit are THB7128 driver, and described level translator is 74HC245 chip.
The further design of the Mobile Receiving System of described Broadband Satellite high speed signal is, described satellite tuner is connected with antenna communication by tuner.
Advantage of the present utility model is as follows:
The Mobile Receiving System of the Broadband Satellite high speed signal that the utility model provides, while utilizing magnetic deviation transducer again to look for star after system starts to look for star or loses star, by magnetic deviation transducer, 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, save widely and looked for the star time, increased the execution efficiency of system.
Accompanying drawing explanation
Fig. 1 is the Mobile Receiving System structured flowchart of Broadband Satellite high speed signal.
Fig. 2 is the structured flowchart of antenna attitude harvester.
Fig. 3 is the circuit theory diagrams of amplification filtering branch road.
Fig. 4 is the circuit diagram of pitching motor drive circuit and azimuth-drive motor drive circuit.
Fig. 5 is the circuit diagram of level translator.
Fig. 6 is the circuit diagram of AGC signal conditioning circuit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
The Mobile Receiving System of the Broadband Satellite high speed signal that the utility model provides, comprises antenna attitude recognition device, satellite navigation module, motor-drive circuit, satellite tuner and microprocessor, referring to Fig. 1.Satellite navigation module is for detection of the current present position of system information.
Attitude information and positional information that microprocessor sends respectively for reception antenna gesture recognition device and satellite navigation module, process and to motor-drive circuit output drive signal the information receiving, and to satellite tuner output preparation information.Motor drive module, the driving signal sending for receiving microprocessor, and export driving signal to respective antenna driving mechanism.Satellite tuner, for demodulation of satellite signal, and to microprocessor output AGC level signal.Wherein, satellite tuner is connected with antenna communication by tuner.Satellite navigation module is connected with microprocessor.Satellite tuner is connected with the A/D port communications of microprocessor by AGC signal conditioning circuit, and AGC signal conditioning circuit, referring to Fig. 6, is mainly composed in series by two amplifiers, and the input in the same way of two amplifiers is connected with slide rheostat RTl.
Further, antenna attitude recognition device comprises gyro sensor, magnetic deviation transducer and attitude signal modulate circuit, referring to Fig. 2.Gyro sensor is for gathering level, roll, the elevating movement data of antenna and exercise data being converted to analog signal; Magnetic deviation transducer is used for the analog signal of the luffing angle that gathers current antenna; The analog signal that attitude signal conditioning circuit module is exported for receiving gyro sensor and magnetic deviation transducer, and the signal receiving is processed, signal after treatment is exported to microprocessor in above-mentioned tracking system.
Above-mentioned gyro sensor comprises azimuth gyroscope, pitch gyroscope and roll gyroscope, level, pitching and roll motion that above-mentioned each gyroscope respectively can induction antenna.In the present embodiment, magnetic deviation transducer is China magnetic AM34-V05-360E, and gyro sensor is micromechanics rate gyroscope, and model is MEV-50D-R.
In order to guarantee accuracy and the high efficiency of transmission of collection signal, attitude signal modulate circuit is designed to four amplification filtering branch roads, referring to Fig. 3.These four amplification filtering branch roads are connected with azimuth gyroscope, pitch gyroscope, roll 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 that goes out of the second amplifier is connected with the digital-to-analogue conversion interface of microprocessor respectively.Wherein, transport and placing device is all selected LM224 type amplifier.
The motor-drive circuit that the present embodiment adopts comprises level translator, pitching motor drive circuit and azimuth-drive motor drive circuit.Pitching motor drive circuit, azimuth-drive motor drive circuit communicate to connect with level translator respectively.
Further, pitching motor drive circuit, azimuth-drive motor drive circuit are THB7128 driver, and described level translator is 74HC245 chip, as Fig. 4, Fig. 5.
Microprocessor, according to the AGC level signal of the antenna attitude information of the carrier geographical location information of living in of satellite navigation module output, the output of antenna attitude recognition device and satellite tuner output, sends motion control commands to driving mechanism, and control antenna rotates; Synchronous signal harvester, tuner send antenna attitude information, AGC level signal to microprocessor again, thereby have formed a complete Mobile Receiving System.Wherein pedestal comprises the mechanical transmission mechanism of the drive antenna movement of pitching motor, azimuth-drive motor and correspondence.
When the utility model system is again looked for star after starting to look for star or losing star, the longitude and latitude of microprocessor navigation module acquisition first via satellite carrier, calculate the luffing angle to satelloid through microprocessor processes, then coordinate magnetic deviation transducer to obtain the luffing angle of current antenna, and export this angle-data to microprocessor, calculate angle correction through microprocessor, directly send driving signal to driving mechanism, make pedestal drive antenna directly to go to the angle to star by mechanical transmission mechanism, 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, detect the motion state of antenna by gyro sensor, and motion state is fed back to microprocessor, and detect the level signal of AGC every certain hour, through certain algorithm process, the work of control antenna driving mechanism, makes antenna all the time to satelloid, save widely and looked for the star time, increased the execution efficiency of system.
Claims (10)
1. a Mobile Receiving System for Broadband Satellite high speed signal, with satellite antenna and pedestal communication connection, is characterized in that comprising:
Antenna attitude recognition device, for gathering the current attitude information of antenna;
Satellite navigation module, for detection of the current present position of described system information;
Microprocessor, described attitude information and the described positional information sent respectively for receiving described antenna attitude recognition device and satellite navigation module, the information receiving is processed and to motor-drive circuit output drive signal, and to satellite tuner output preparation information;
Motor drive module, the driving signal sending for receiving microprocessor, and export described driving signal to respective antenna driving mechanism;
And satellite tuner, for demodulation of satellite signal, and to microprocessor output AGC level signal.
2. the Mobile Receiving System of Broadband Satellite high speed signal according to claim 1, is characterized in that described antenna attitude recognition device comprises:
Gyro sensor, measures level, roll, the elevating movement data of antenna and described exercise data is converted to the analog signal of measuring current antenna movement situation for gathering;
Magnetic deviation transducer, for gathering the analog signal of luffing angle of current antenna, described luffing angle is the angle between current aerial signal dash receiver and predefined level reference;
Attitude signal conditioning circuit module: for receiving described analog signal and the signal receiving being processed, signal after treatment is exported to described microprocessor.
3. the Mobile Receiving System of Broadband Satellite high speed signal according to claim 2, it is characterized in that described gyro sensor comprises azimuth gyroscope, pitch gyroscope and roll gyroscope, level, pitching and roll motion that described azimuth gyroscope, pitch gyroscope and roll gyroscope respectively can induction antennas.
4. the Mobile Receiving System of Broadband Satellite high speed signal according to claim 3, it is characterized in that described attitude signal modulate circuit comprises four amplification filtering branch roads, described amplification filtering branch road connects in azimuth gyroscope, pitch gyroscope, roll gyroscope and magnetic deviation sensor communication respectively accordingly.
5. the Mobile Receiving System of Broadband Satellite high speed signal according to claim 4, it is characterized in that each described amplification filtering branch road comprises the first amplifier and the second amplifier, described the first amplifier, in order to filter the ripple in signal, is carried out a certain proportion of dwindling by signal voltage 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.
6. the Mobile Receiving System of Broadband Satellite high speed signal according to claim 5, is characterized in that the output of described the second amplifier is connected with the digital-to-analogue conversion interface of microprocessor respectively.
7. the Mobile Receiving System of Broadband Satellite high speed signal according to claim 1, it is characterized in that described satellite navigation module can be GPS (global positioning system) module, also can be BDS (Beidou satellite navigation system) module, or other satellite navigation modules.
8. the Mobile Receiving System of Broadband Satellite high speed signal according to claim 1, it is characterized in that described motor-drive circuit comprises level translator, pitching motor drive circuit and azimuth-drive motor drive circuit, described pitching motor drive circuit, azimuth-drive motor drive circuit communicate to connect with level translator respectively.
9. the Mobile Receiving System of Broadband Satellite high speed signal according to claim 8, is characterized in that described pitching motor drive circuit, azimuth-drive motor drive circuit are THB7128 driver, and described level translator is 74HC245 chip.
10. the Mobile Receiving System of Broadband Satellite high speed signal according to claim 1, is characterized in that, described satellite tuner is connected with antenna communication by tuner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617945.9U CN203690498U (en) | 2013-09-29 | 2013-09-29 | Mobile receiving system for satellite broadband high-speed signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617945.9U CN203690498U (en) | 2013-09-29 | 2013-09-29 | Mobile receiving system for satellite broadband high-speed signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203690498U true CN203690498U (en) | 2014-07-02 |
Family
ID=51012369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320617945.9U Expired - Lifetime CN203690498U (en) | 2013-09-29 | 2013-09-29 | Mobile receiving system for satellite broadband high-speed signals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203690498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474769A (en) * | 2013-09-29 | 2013-12-25 | 星动通讯科技（苏州）有限公司 | Mobile receiving system of satellite broadband high-speed signal |
-
2013
- 2013-09-29 CN CN201320617945.9U patent/CN203690498U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474769A (en) * | 2013-09-29 | 2013-12-25 | 星动通讯科技（苏州）有限公司 | Mobile receiving system of satellite broadband high-speed signal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201331348Y (en) | Combined GPS vehicle terminal | |
| CN104681986B (en) | Satellite finding method of satellite antenna in inclined state | |
| CN203722616U (en) | Antenna structure and mobile terminal | |
| CN103323866A (en) | Low-power-consumption beidou receiver based on cloud calculation and positioning method thereof | |
| CN103439721A (en) | Beidou and GPS satellite dual-mode navigation system and navigation method thereof | |
| CN101222265A (en) | Automatic star finding controller of vehicle mounted satellite communication antenna | |
| CN202084642U (en) | Directional tracking system control device for antenna of pilotless aircraft | |
| CN103033836A (en) | Vehicle navigation pointing device and method | |
| CN206833378U (en) | A kind of Signals in Satellite Data Stream antenna adjustment detecting system | |
| CN102386962B (en) | Vehicle-mounted satellite communication sky servo and front-end system and method thereof | |
| CN103474769A (en) | Mobile receiving system of satellite broadband high-speed signal | |
| CN204286452U (en) | A kind of indoor locating system for vehicle | |
| CN103490163A (en) | High-precision directional tracking device of mobile satellite antenna servo system | |
| CN203690498U (en) | Mobile receiving system for satellite broadband high-speed signals | |
| CN203550963U (en) | Gesture recognition device of automatic mobile satellite antenna tracking system | |
| CN106291632A (en) | A kind of vehicle carried pick device based on triones navigation system | |
| CN203519012U (en) | Navigation positioning system based on 3D (three-dimensional) sensor and auxiliary mobile phone | |
| CN103471584A (en) | Posture recognition device of mobile satellite antenna automatic tracking system | |
| CN102610917B (en) | Method for controlling antennas by high-precision data leading | |
| CN102608628A (en) | Triones system-based car navigator | |
| CN205121834U (en) | Seek car system based on bluetooth | |
| CN204586743U (en) | A kind of inter-vehicle information system | |
| CN104793623A (en) | Simple satellite finding device | |
| CN206804875U (en) | A kind of combined navigation device | |
| CN204557219U (en) | Simple and easy satellite-finding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215537 Room 601, 1 Chuang Chuang garden, 9 Sihai Road, Changshu economic and Technological Development Zone, Changshou City, Jiangsu. Patentee after: TIANTONG SHENGBANG COMMUNICATION TECH.(SUZHOU) Co.,Ltd. Address before: 215500 6 building, 1 Chuang Chuang garden, Changshou City economic and Technological Development Zone, Jiangsu. Patentee before: XINGDONG COMMUNICATION TECHNOLOGY (SUZHOU) Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |