CN201616028U - Main-control subsystem of shipborne satellite antenna control system - Google Patents
Main-control subsystem of shipborne satellite antenna control system Download PDFInfo
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- CN201616028U CN201616028U CN2010201495969U CN201020149596U CN201616028U CN 201616028 U CN201616028 U CN 201616028U CN 2010201495969 U CN2010201495969 U CN 2010201495969U CN 201020149596 U CN201020149596 U CN 201020149596U CN 201616028 U CN201616028 U CN 201616028U
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Abstract
The utility model provides a main-control subsystem of a shipborne satellite antenna control system, which belongs to the technical field of communication, and solves the problems that the existing satellite antenna receiving control device has large system power consumption and can not meet the power requirement. The main-control subsystem of the shipborne satellite antenna control system is arranged between an antenna and an indoor subsystem, and comprises a main controller that can be connected with the indoor subsystem, the main controller is connected with an antenna posture management module and a signal management module, and the main-control subsystem also comprises a main-control power supply management module which can supply power for all components. The main-control subsystem has the advantages of reasonable design, simple structure, applicability to mobile carries and the like.
Description
Technical field
The utility model belongs to communication technique field, relates to being installed in the satellite antenna control system that uses on the boats and ships, especially relates to a kind of master control subsystem of Shipborne satellite antenna control system.
Background technology
Satellite antenna receives faint satellite-signal and satellite-signal is reflexed to low noise frequency reducing amplifier in the disc-shaped antenna.Low noise frequency reducing amplifier utilizes oscillatory circuit that the high frequency satellite-signal is converted to intermediate frequency after this signal of concentrating is amplified to hundreds thousand of times again.This intermediate-freuqncy signal is a modulating signal, after the set-top box demodulation is recovered to video-audio signal, can imports TV and use again.
In order to improve the serviceability of satellite antenna, people have carried out long-term exploration, have proposed various solutions.For example, Chinese patent literature discloses a kind of vehicle mounted satellite antenna receiving control device [application number: CN200520098486.3], it comprises the antenna pot, connecting rod, support bar, tuner, first speed reduction unit, pitching motor, fixed head, rotary disk, shaft collar, the orientation turning axle, second speed reduction unit, the orientation electric rotating machine, back up pad, pitch axis, control system, it is characterized in that: first speed reduction unit, second speed reduction unit comprises housing respectively, worm screw, measure speed gears, the light sensor slot, second bearing, worm gear, sliding bearing, the 3rd bearing, the 4th bearing, output shaft, worm screw is provided with measure speed gears, and the measure speed gears place is provided with the light sensor slot; The light sensor slot is linked to each other with control system by lead.
Such scheme has improved the serviceability of satellite antenna to a certain extent, but and is not suitable for movably environment such as boats and ships, vehicle.On the other hand, because the satellite antenna of mobile vehicle must be adjusted antenna elevation angle and position angle in real time by motor, system power consumption is relatively large, and the electric power system of such scheme can not satisfy power requirement.
Summary of the invention
The purpose of this utility model is at the problems referred to above, provides a kind of reasonable in design, simple in structure, is specially adapted to the master control subsystem of the Shipborne satellite antenna control system of mobile vehicle.
For achieving the above object, the utility model has adopted following technical proposal: the master control subsystem of this Shipborne satellite antenna control system, be arranged between antenna and the house subsystem, it is characterized in that, this master control subsystem comprise can with the joining master controller of house subsystem, be connected with antenna attitude administration module and SIGNALS MANAGEMENT module on master controller, this master control subsystem also is included as the master control power management module that each ingredient provides power supply.
Owing to be provided with independently master control power management module, can provide reliable and stable power supply for whole master control subsystem effectively.Owing to be provided with the antenna attitude administration module, can make adjustment to antenna attitude in time, thereby be suitable for mobile vehicle.Master controller is the core of whole satellite antenna control system, master controller carries out USART by concentric cable and house subsystem message handler and communicates by letter, and communicate with the antenna attitude administration module, coordinate the work of The whole control system steady ordered ground, realize fast angular setting and smooth continuously signal transmission timely.
In the master control subsystem of above-mentioned Shipborne satellite antenna control system, described SIGNALS MANAGEMENT module comprises LNB voltage selection module, the satellite-signal detuner, AGC modulate circuit and tuner, described LNB voltage is selected module to be connected between master controller and the satellite-signal detuner and can be provided power supply and satellite-signal detuner and to receive the signal intensity of characteristic frequency section according to the control setting frequency parameter of master controller to the satellite-signal detuner according to the control of master controller, described tuner is connected between satellite-signal detuner and the antenna and by the power supply of satellite-signal detuner, described AGC modulate circuit is connected between master controller and the satellite-signal detuner and will adjusts the voltage signal input master controller of basis for estimation as antenna attitude.
LNB voltage selects module to accept the control of master controller, and output 18V or 13V voltage are given the satellite-signal detuner.The satellite-signal modulator-demodular unit is given tuner with voltage transmission again by concentric cable, powers to tuner.Wherein the control information of master controller is obtained by the message handler transmission of house subsystem.The satellite-signal detuner is by the master controller setting, and master controller is selected parameter by the frequency that modulator-demodular unit is set, and receives the signal intensity of characteristic frequency section, and by AGC level reflection current signal intensity.The AGC signal becomes the certain voltage signal of mean value and peak value and directly imports master controller through signal condition, adjusts the basis for estimation that antenna receives the pot attitude as master controller.
In the master control subsystem of above-mentioned Shipborne satellite antenna control system, described antenna attitude administration module comprises the elevation angle adjusting module that can adjust antenna elevation angle that is connected between master controller and the antenna and the position angle adjusting module that can adjust antenna azimuth, on antenna, also be provided with the elevation angle variation that can detect antenna in real time and azimuthal variation and elevation angle variable signal and azimuthal variation signal passed to the calibration detector of elevation angle adjusting module and position angle adjusting module respectively, described elevation angle adjusting module can be proofreaied and correct the elevation angle of antenna in real time according to elevation angle variable signal, and described position angle adjusting module can be proofreaied and correct the position angle of antenna in real time according to the azimuthal variation signal.
Because the utility model is provided with calibration detector, can in time grasp antenna because of jolting, wind-force, the angle that the external environment reason causes such as rocking and change, thereby in time it is made adjustment, antenna is rotated to an angle, compensation is changed by the aerial angle that external environment causes, thereby make antenna attitude break away from the interference of external environment, only accept the angular setting order of master controller.
In the master control subsystem of above-mentioned Shipborne satellite antenna control system, described elevation angle adjusting module comprises elevation-angle controller, elevation angle driving circuit and the elevation angle adjustment motor of series connection successively, described elevation-angle controller is connected on the master controller and can receives the elevation angle adjustment signal of master controller, and the described elevation angle is adjusted motor and is connected on the antenna; Described position angle adjusting module comprises position angle controller, position angle driving circuit and the position angle adjustment motor of series connection successively, described position angle controller is connected on the master controller and can receives the position angle adjustment signal of master controller, and described position angle is adjusted motor and is connected on the antenna.
In the master control subsystem of above-mentioned Shipborne satellite antenna control system, described calibration detector is fixed on the antenna, and described elevation-angle controller and position angle controller are connected on the calibration detector respectively.Calibration detector in time detects variation according to moving of antenna, and elevation angle variable signal and azimuthal variation signal are passed to elevation-angle controller and position angle controller respectively, thereby realizes the close-loop feedback adjustment.
In the master control subsystem of above-mentioned Shipborne satellite antenna control system, also be connected with the travel control switch that is used to limit antenna elevation angle rotation amplitude between described elevation-angle controller and the antenna.Travel control switch plays the effect of restriction antenna elevation angle rotation amplitude, and the elevation angle that makes antenna is 0 ° of-90 ° of variation.
In the master control subsystem of above-mentioned Shipborne satellite antenna control system, described master controller links by USART communicating circuit and master control borad interface, and described satellite-signal detuner is connected on the master control borad interface.
In the master control subsystem of above-mentioned Shipborne satellite antenna control system, described master control power management module is connected on the master control borad interface.
In the master control subsystem of above-mentioned Shipborne satellite antenna control system, described calibration detector is a gyroscope; Motor is adjusted at the described elevation angle and position angle adjustment motor is stepper motor.
Compared with prior art, the advantage of the master control subsystem of this Shipborne satellite antenna control system is: 1, be provided with independently master control power management module, can provide reliable and stable power supply for whole master control subsystem effectively.2, be provided with the antenna attitude administration module, can adjust antenna in real time and change, thereby make antenna attitude break away from the interference of external environment, effectively guarantee the stable and tracking performance of sensing of satellite antenna on the boats and ships because of the angle that external environment causes.
Description of drawings
Fig. 1 is the structured flowchart that the utility model provides.
Among the figure, motor 41c, position angle adjusting module 42, position angle controller 42a, position angle driving circuit 42b, position angle adjustment motor 42c, calibration detector 43, travel control switch 44, SIGNALS MANAGEMENT module 5, LNB voltage selection module 51, satellite-signal detuner 52, AGC modulate circuit 53, tuner 54, master control power management module 6, USART communicating circuit 7, master control borad interface 8 are adjusted in antenna 1, house subsystem 2, master controller 3, antenna attitude administration module 4, elevation angle adjusting module 41, elevation-angle controller 41a, elevation angle driving circuit 41b, the elevation angle.
Embodiment
As shown in Figure 1, the master control subsystem of this Shipborne satellite antenna control system is arranged between antenna 1 and the house subsystem 2, comprise can with house subsystem 2 joining master controllers 3, be connected with antenna attitude administration module 4 and SIGNALS MANAGEMENT module 5 on master controller 3, this master control subsystem also is included as the master control power management module 6 that each ingredient provides power supply.Master controller 3 links by USART communicating circuit 7 and master control borad interface 8.Master control power management module 6 is connected on the master control borad interface 8.The 18V DC voltage that master control power management module 6 transmits with house subsystem 2 is exported 18V, 13V, 5V, 3.3V and 2.5V DC voltage simultaneously as input.
SIGNALS MANAGEMENT module 5 comprises LNB voltage selection module 51, satellite-signal detuner 52, AGC modulate circuit 53 and tuner 54.LNB voltage is selected module 51 to be connected between master controller 3 and the satellite-signal detuner 52 and can be provided power supply and satellite-signal detuner 52 and to receive the signal intensity of characteristic frequency section according to the control setting frequency parameter of master controller 3 to satellite-signal detuner 52 according to the control of master controller 3.Satellite-signal detuner 52 is connected on the master control borad interface 8.Tuner 54 is connected between satellite-signal detuner 52 and the antenna 1 and by satellite-signal detuner 52 and powers.AGC modulate circuit 53 is connected between master controller 3 and the satellite-signal detuner 52 and will adjusts the voltage signal input master controller 3 of basis for estimation as antenna attitude.
Antenna attitude administration module 4 comprises the elevation angle adjusting module 41 that can adjust antenna 1 elevation angle that is connected between master controller 3 and the antenna 1 and the position angle adjusting module 42 that can adjust antenna 1 position angle.On antenna 1, also be provided with the elevation angle variation that can detect antenna 1 in real time and azimuthal variation and elevation angle variable signal and azimuthal variation signal passed to the calibration detector 43 of elevation angle adjusting module 41 and position angle adjusting module 42 respectively.Elevation angle adjusting module 41 can be proofreaied and correct the elevation angle of antenna 1 in real time according to elevation angle variable signal, and described position angle adjusting module 42 can be proofreaied and correct the position angle of antenna 1 in real time according to the azimuthal variation signal.
Elevation angle adjusting module 41 comprises elevation-angle controller 41a, elevation angle driving circuit 41b and the elevation angle adjustment motor 41c of series connection successively.Elevation-angle controller 41a is connected on the master controller 3 and can receives the elevation angle adjustment signal of master controller 3, and the elevation angle is adjusted motor 41c and is connected on the antenna 1.Position angle adjusting module 42 comprises position angle controller 42a, position angle driving circuit 42b and the position angle adjustment motor 42c of series connection successively, position angle controller 42a is connected on the master controller 3 and can receives the position angle adjustment signal of master controller 3, and the position angle is adjusted motor 42c and is connected on the antenna 1.Motor 41c is adjusted at the elevation angle and position angle adjustment motor 42c is stepper motor.
Calibration detector 43 is fixed on the antenna 1, and elevation-angle controller 41a and position angle controller 42a are connected in respectively on the calibration detector 43.The calibration detector 43 here is a gyroscope.Also be connected with the travel control switch 44 that is used to limit antenna 1 elevation angle rotation amplitude between elevation-angle controller 41a and the antenna 1.
Master controller 3 in the present embodiment adopts the PIC18F2520 chip, elevation-angle controller 41a and position angle controller 42a adopt the PIC16F876A chip, elevation angle driving circuit 41b and position angle driving circuit 42b adopt the SLA7062M chip, LNB voltage selects module 51 to adopt the A8282SLB chip, and satellite-signal detuner 52 adopts SHARP BS2F7HZ7395 module.Wherein LNB voltage selects module 51, elevation angle driving circuit 41b, position angle driving circuit 42b directly to use 18V voltage, and satellite-signal detuner 52 uses 13V (or 18V), 3.3V, 2.5V voltage, and other parts are used 5V voltage.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used antenna 1 morely, house subsystem 2, master controller 3, antenna attitude administration module 4, elevation angle adjusting module 41, elevation-angle controller 41a, elevation angle driving circuit 41b, motor 41c is adjusted at the elevation angle, position angle adjusting module 42, position angle controller 42a, position angle driving circuit 42b, motor 42c is adjusted at the position angle, calibration detector 43, travel control switch 44, SIGNALS MANAGEMENT module 5, LNB voltage is selected module 51, satellite-signal detuner 52, AGC modulate circuit 53, tuner 54, master control power management module 6, USART communicating circuit 7, master control borad interface 8 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (9)
1. the master control subsystem of a Shipborne satellite antenna control system, be arranged between antenna (1) and the house subsystem (2), it is characterized in that, this master control subsystem comprise can with the joining master controller of house subsystem (2) (3), be connected with antenna attitude administration module (4) and SIGNALS MANAGEMENT module (5) on master controller (3), this master control subsystem also is included as the master control power management module (6) that each ingredient provides power supply.
2. the master control subsystem of Shipborne satellite antenna control system according to claim 1, it is characterized in that, described SIGNALS MANAGEMENT module (5) comprises LNB voltage selection module (51), satellite-signal detuner (52), AGC modulate circuit (53) and tuner (54), described LNB voltage selects module (51) to be connected between master controller (3) and the satellite-signal detuner (52) also can provide power supply and satellite-signal detuner (52) and to receive the signal intensity of characteristic frequency section according to the control setting frequency parameter of master controller (3) to satellite-signal detuner (52) according to the control of master controller (3), described tuner (54) is connected between satellite-signal detuner (52) and the antenna (1) and by satellite-signal detuner (52) power supply, described AGC modulate circuit (53) is connected between master controller (3) and the satellite-signal detuner (52) and will adjusts the voltage signal input master controller (3) of basis for estimation as antenna attitude.
3. the master control subsystem of Shipborne satellite antenna control system according to claim 1 and 2, it is characterized in that, described antenna attitude administration module (4) comprises the elevation angle adjusting module (41) that can adjust antenna (1) elevation angle that is connected between master controller (3) and the antenna (1) and the position angle adjusting module (42) that can adjust antenna (1) position angle, on antenna (1), also be provided with the elevation angle variation that can detect antenna (1) in real time and azimuthal variation and elevation angle variable signal and azimuthal variation signal passed to the calibration detector (43) of elevation angle adjusting module (41) and position angle adjusting module (42) respectively, described elevation angle adjusting module (41) can be proofreaied and correct the elevation angle of antenna (1) in real time according to elevation angle variable signal, and described position angle adjusting module (42) can be proofreaied and correct the position angle of antenna (1) in real time according to the azimuthal variation signal.
4. the master control subsystem of Shipborne satellite antenna control system according to claim 3, it is characterized in that, described elevation angle adjusting module (41) comprises elevation-angle controller (41a), elevation angle driving circuit (41b) and the elevation angle adjustment motor (41c) of series connection successively, described elevation-angle controller (41a) is connected in the elevation angle adjustment signal that master controller (3) was gone up and can be received to master controller (3), and the described elevation angle is adjusted motor (41c) and is connected on the antenna (1); Described position angle adjusting module (42) comprises position angle controller (42a), position angle driving circuit (42b) and the position angle adjustment motor (42c) of series connection successively, described position angle controller (42a) is connected in the position angle adjustment signal that master controller (3) was gone up and can be received to master controller (3), and described position angle is adjusted motor (42c) and is connected on the antenna (1).
5. the master control subsystem of Shipborne satellite antenna control system according to claim 4, it is characterized in that, described calibration detector (43) is fixed on the antenna (1), and described elevation-angle controller (41a) and position angle controller (42a) are connected in respectively on the calibration detector (43).
6. the master control subsystem of Shipborne satellite antenna control system according to claim 4 is characterized in that, also is connected with the travel control switch (44) that is used to limit antenna (1) elevation angle rotation amplitude between described elevation-angle controller (41a) and the antenna (1).
7. the master control subsystem of Shipborne satellite antenna control system according to claim 2, it is characterized in that, described master controller (3) links by USART communicating circuit (7) and master control borad interface (8), and described satellite-signal detuner (52) is connected on the master control borad interface (8).
8. the master control subsystem of Shipborne satellite antenna control system according to claim 7 is characterized in that, described master control power management module (6) is connected on the master control borad interface (8).
9. the master control subsystem of Shipborne satellite antenna control system according to claim 5 is characterized in that, described calibration detector (43) is a gyroscope; Motor (41c) is adjusted at the described elevation angle and position angle adjustment motor (42c) is stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201495969U CN201616028U (en) | 2010-04-03 | 2010-04-03 | Main-control subsystem of shipborne satellite antenna control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201495969U CN201616028U (en) | 2010-04-03 | 2010-04-03 | Main-control subsystem of shipborne satellite antenna control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201616028U true CN201616028U (en) | 2010-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201495969U Expired - Lifetime CN201616028U (en) | 2010-04-03 | 2010-04-03 | Main-control subsystem of shipborne satellite antenna control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201616028U (en) |
-
2010
- 2010-04-03 CN CN2010201495969U patent/CN201616028U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101027 |