CN219657879U - Satellite receiving device for warship - Google Patents
Satellite receiving device for warship Download PDFInfo
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- CN219657879U CN219657879U CN202320144275.7U CN202320144275U CN219657879U CN 219657879 U CN219657879 U CN 219657879U CN 202320144275 U CN202320144275 U CN 202320144275U CN 219657879 U CN219657879 U CN 219657879U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model provides a satellite receiving device for a ship, which comprises a driver, a signal processor, an antenna panel, a Beidou positioning module and an antenna driving motor, wherein a position signal transmission end of the driver is in bidirectional connection with a position signal transmission end of the Beidou positioning module, an antenna control signal transmission end of the driver is in bidirectional connection with an antenna control signal transmission end of the signal processor, a motor control signal output end of the driver is connected with an input end of the antenna driving motor, and an IO signal output end of the antenna panel is connected with an IO signal input end of the driver. The utility model solves the defects of low positioning precision, large jump when driving the motor, high system power consumption, low antenna gain and poor environmental adaptability, can achieve the effects of quick star finding and tracking, stable tracking, strong anti-swing capability and high gain, and simultaneously reduces the power consumption and can meet the use requirement of the ship environment.
Description
Technical Field
The utility model mainly relates to the technical field of satellite devices, in particular to a satellite receiving device for a ship.
Background
The existing satellite signal automatic tracking receiving processing antenna has the defects of low positioning precision, large jitter when a driving motor is used, high system power consumption, low antenna gain and the like, can not rapidly capture and track satellites in real time, is easy to lose satellites when the swing amplitude is large when the satellite signal automatic tracking receiving processing antenna is installed on a ship, and has long time for finding satellites again after losing the satellites, and the lower antenna gain enables the antenna to not normally receive television programs in a region with low satellite field intensity, and meanwhile, the equipment power consumption is high, so that the service life of the equipment is influenced. Meanwhile, at present, no automatic tracking satellite antenna device equipment which completely meets the requirements of ship environment adaptability and electromagnetic compatibility exists, and the requirements of ship use conditions cannot be met.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a satellite receiving device for a ship, which aims at the defects of the prior art and can solve the problems of low positioning precision, large jump when a motor is driven, large system power consumption, low antenna gain and poor environmental adaptability.
The technical scheme for solving the technical problems is as follows: a satellite receiving device for a ship comprises a driver, a signal processor, an antenna panel, a Beidou positioning module and an antenna driving motor,
the position signal transmission end of the driver is in bidirectional connection with the position signal transmission end of the Beidou positioning module, the antenna control signal transmission end of the driver is in bidirectional connection with the antenna control signal transmission end of the signal processor, the motor control signal output end of the driver is connected with the input end of the antenna driving motor, the IO signal output end of the antenna panel is connected with the IO signal input end of the driver, the first RF signal output end of the antenna panel is used for being connected with the input end of the first satellite receiver, the second RF signal output end of the antenna panel is connected with the RF signal input end of the signal processor, and the RF signal output end of the signal processor is used for being connected with the input end of the second satellite receiver.
The beneficial effects of the utility model are as follows: through driver, signal processor, antenna panel, big dipper positioning module and antenna driving motor, solved the positioning accuracy low, when driving motor beat big, the system power consumption is big, antenna gain is low and the poor effect of environmental suitability, can reach quick star finding and tracking, track steadily, anti swing ability is strong and the gain is high, simultaneously, reduced the consumption, can satisfy the operation requirement of naval vessel environment.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the driver includes an antenna driver and a motor driving circuit,
the antenna driver is characterized in that a first RS232 interface is arranged on a position signal transmission end of the antenna driver, the antenna driver is connected with the Beidou positioning module through the first RS232 interface, the first RS232 interface is used for enabling the Beidou positioning module to interact with position signals of the antenna driver, a motor control signal output end of the antenna driver is connected with an input end of a motor driving circuit, a power input end of the antenna driver is used for accessing 3.3V voltage, an output end of the motor driving circuit is connected with an input end of an antenna driving motor, a first RS422 interface is arranged on an antenna control signal transmission end of the antenna driver, the antenna driver is connected with a signal processor through the first RS422 interface, the first RS422 interface is used for enabling the antenna driver to interact with antenna control signals of the signal processor, and an IO signal output end of an antenna panel is connected with an IO signal input end of the antenna driver.
The beneficial effects of adopting the further scheme are as follows: the antenna driving motor can be effectively controlled to rotate, the defects of low positioning precision, large jump and poor environmental adaptability of the driving motor are overcome, and meanwhile, the power consumption is reduced, and the use requirement of the ship environment can be met.
Further, the motor driving circuit comprises an azimuth motor driving circuit, a pitching motor driving circuit and a rolling motor driving circuit, the antenna driving motor comprises an azimuth driving motor, a pitching driving motor and a rolling driving motor,
the antenna comprises an antenna driver, a bearing motor control signal output end of the antenna driver is connected with a bearing motor control signal input end of a bearing motor driving circuit, a 3.3V voltage input end of the bearing motor driving circuit is used for being connected with 3.3V voltage, a 24V voltage input end of the bearing motor driving circuit is used for being connected with 24V voltage, an output end of the bearing motor driving circuit is connected with an input end of the bearing motor driving circuit, a pitching motor control signal output end of the antenna driver is connected with a pitching motor control signal input end of the pitching motor driving circuit, a 3.3V voltage input end of the pitching motor driving circuit is used for being connected with 3.3V voltage, a 24V voltage input end of the pitching motor driving circuit is used for being connected with 24V voltage, a rolling motor control signal output end of the antenna driver is connected with a rolling motor control signal input end of the rolling motor driving circuit, a 3.3V voltage input end of the rolling motor driving circuit is used for being connected with a rolling motor input end of the rolling motor driving circuit, and the 24V voltage input end of the antenna driver is connected with the rolling motor driving circuit.
The beneficial effects of adopting the further scheme are as follows: the driving motor of the multiple antennas can be effectively controlled to rotate, and the defects of low positioning precision, large runout when the driving motor is driven and poor environmental adaptability are overcome.
Further, the signal processor comprises a control signal processor, an information processor, a radio frequency tuner and an Ethernet port,
the antenna control signal transmission end of the control signal processor is provided with a second RS422 interface, the control signal processor is connected with the driver through the second RS422 interface, the second RS422 interface is used for enabling the driver to interact with antenna control signals of the control signal processor, the Ethernet port is in bidirectional connection with the RMI signal transmission end of the control signal processor and used for enabling external equipment to interact with RMI signals of the control signal processor, the TTL signal output end of the control signal processor is connected with the TTL signal input end of the information processor, the power input end of the control signal processor is used for being connected with 3.3V voltage, the power input end of the information processor is used for being connected with 3.3V voltage, the second RF signal output end of the antenna panel is connected with the input end of the radio frequency tuner, the RF signal output end of the radio frequency tuner is used for being connected with the input end of the second satellite receiver, and the satellite signal output end of the radio frequency tuner is connected with the satellite signal input end of the control signal processor.
The beneficial effects of adopting the further scheme are as follows: the method can obtain the angle information of the satellite, improves the positioning precision of the satellite, solves the defects of low positioning precision, large jump when driving a motor, large system power consumption, low antenna gain and poor environmental adaptability, and can achieve the effects of quick satellite finding and tracking, stable tracking, strong anti-swing capability and high gain.
Further, the radio frequency tuner comprises a radio frequency demodulator and a demodulator, the RF signal output terminal comprises an I2C signal output terminal and an ADC signal output terminal,
the second RF signal output end of the antenna panel is connected with the input end of the radio frequency device, the first RF signal output end of the radio frequency device is connected with the input end of the demodulator, the second RF signal output end of the radio frequency tuner is used for being connected with the input end of the second satellite receiver, the I2C signal output end of the demodulator is connected with the I2C signal input end of the control signal processor, and the ADC signal output end of the demodulator is connected with the ADC signal input end of the control signal processor.
The beneficial effects of adopting the further scheme are as follows: the signal can be modulated and demodulated, so that the positioning accuracy of the satellite is improved.
Further, the antenna panel includes a sub-reflecting surface assembly, a waveguide, and a down converter,
the RF signal output end of the waveguide tube is connected with the RF signal input end of the frequency down converter, the first RF signal output end of the frequency down converter is connected with the input end of the first satellite receiver, the second RF signal output end of the frequency down converter is connected with the RF signal input end of the signal processor, the IO signal output end of the auxiliary reflection surface component is connected with the IO signal input end of the driver, the 5V power input end of the auxiliary reflection surface component is used for accessing 5V voltage, and the 12V power input end of the auxiliary reflection surface component is used for accessing 12V voltage.
The beneficial effects of adopting the further scheme are as follows: the satellite signals in the space can be focused, so that accurate satellite signals are obtained.
Further, the satellite receiving device for the ship also comprises a first indicator light, a sensor, a second indicator light and a key,
the IO signal output end of the antenna driver is connected with the input end of the first indicator lamp, a second RS232 interface is arranged on the sensor control signal transmission end of the antenna driver, the antenna driver is connected with the sensor through the second RS232 interface, the second RS232 interface is used for interacting sensor control signals of the antenna driver and the sensor, the indicator lamp control signal output end of the signal processor is connected with the input end of the second indicator lamp, and the key control signal output end of the key is connected with the key control signal input end of the signal processor.
The beneficial effects of adopting the further scheme are as follows: the control of the device is realized, the power consumption is reduced, and the use requirement of the ship environment can be met.
Further, the sensor comprises inertial navigation, a third indicator light, a voltage stabilizer and a sensor crystal oscillator,
the antenna driver is connected with the inertial navigation device through the second RS232 interface, the second RS232 interface is used for enabling the antenna driver to interact with sensor control signals through the inertial navigation device, the input end of a power supply of the inertial navigation device is used for accessing 3.3V voltage, the output end of a sensor crystal oscillator is connected with the input end of an inertial navigation clock signal, the output end of an inertial navigation IO signal is connected with the input end of a third indicator lamp, and the output end of a limit switch control signal of the voltage stabilizer is connected with the input end of a limit switch control signal of the antenna driver.
The beneficial effects of adopting the further scheme are as follows: the method is convenient for acquiring more accurate information, solves the defects of low positioning precision, large jump when driving a motor, large system power consumption, low antenna gain and poor environmental adaptability, can achieve the effects of quick star finding and tracking, stable tracking, strong anti-swing capability and high gain, and simultaneously reduces power consumption, and can meet the use requirements of ship environments.
Drawings
Fig. 1 is a circuit connection diagram of a satellite receiving device for a ship according to an embodiment of the present utility model;
fig. 2 is a circuit connection diagram of a driver according to an embodiment of the present utility model;
fig. 3 is a circuit connection diagram of a signal processor according to an embodiment of the present utility model.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
As shown in fig. 1, a satellite receiving device for a ship comprises a driver, a signal processor, an antenna panel, a Beidou positioning module and an antenna driving motor,
the position signal transmission end of the driver is in bidirectional connection with the position signal transmission end of the Beidou positioning module, the antenna control signal transmission end of the driver is in bidirectional connection with the antenna control signal transmission end of the signal processor, the motor control signal output end of the driver is connected with the input end of the antenna driving motor, the IO signal output end of the antenna panel is connected with the IO signal input end of the driver, the first RF signal output end of the antenna panel is used for being connected with the input end of the first satellite receiver, the second RF signal output end of the antenna panel is connected with the RF signal input end of the signal processor, and the RF signal output end of the signal processor is used for being connected with the input end of the second satellite receiver.
It should be understood that the present utility model mainly realizes automatic tracking of specific broadcast television satellites, receives satellite television signals in space, down-converts the received satellite signals, and finally outputs intermediate frequency signals of 950MHz-2150MHz to back-end equipment for use.
It should be understood that after the antenna panel is aligned with the satellite, satellite signals may be received at this time; the space satellite signals radiate downwards and are focused by the antenna panel.
Specifically, when the driver works, the Beidou positioning chip GK9501 (namely the Beidou positioning module) receives data of a Beidou satellite in space, gives out the geographic longitude and the geographic latitude of the antenna device, transmits information to the signal processor, the signal processor pre-stores longitude information of the space satellite to be tracked, the signal processor calculates the longitude information of the space satellite to be tracked, the conversion from a geographic coordinate system of the satellite to a carrier coordinate system is completed, the carrier azimuth angle, the carrier pitch angle and the carrier polarization angle required by the antenna device for the satellite are calculated, and then the antenna driving motor is guided to track the satellite.
Specifically, during operation, firstly, the Beidou positioning module receives a positioning signal (namely a position signal), the driver receives the position information (namely the position signal) and transmits the position information (namely the position signal) to the signal processor, and the azimuth angle, the pitch angle and the polarization angle of a satellite to be tracked are obtained through the signal processor; the antenna panel carries out L-band signal down-conversion on satellite signals, the antenna panel adopts a double-output mode, one path of the signal is output to the signal processor for AGC sampling, the other path of the signal can be directly output to an external direct broadcast satellite receiver (namely, the second satellite receiver) for program decoding, the signal processor receives L-band satellite signals, demodulates the satellite signals, carries out AGC circuit sampling on the satellite signals, and transmits control information to the driver, the driver controls a motor (namely, the antenna driving motor) to operate, automatically tracks space satellites required to be received, carries out rough satellite finding at +/-3 degrees opposite to satellite positions, and then carries out sampling comparison on an AGC sampling circuit of the satellites to realize accurate satellite tracking.
In the above embodiment, the defects of low positioning precision, large jitter, large system power consumption, low antenna gain and poor environmental adaptability of the driving motor are overcome through the driver, the signal processor, the antenna panel, the Beidou positioning module and the antenna driving motor, the effects of quick star finding, stable tracking, strong anti-swing capability and high gain can be achieved, and meanwhile, the power consumption is reduced, and the use requirement of a ship environment can be met.
Alternatively, as an embodiment of the present utility model, as shown in fig. 1 and 2, the driver includes an antenna driver and a motor driving circuit,
the antenna driver is characterized in that a first RS232 interface is arranged on a position signal transmission end of the antenna driver, the antenna driver is connected with the Beidou positioning module through the first RS232 interface, the first RS232 interface is used for enabling the Beidou positioning module to interact with position signals of the antenna driver, a motor control signal output end of the antenna driver is connected with an input end of a motor driving circuit, a power input end of the antenna driver is used for accessing 3.3V voltage, an output end of the motor driving circuit is connected with an input end of an antenna driving motor, a first RS422 interface is arranged on an antenna control signal transmission end of the antenna driver, the antenna driver is connected with a signal processor through the first RS422 interface, the first RS422 interface is used for enabling the antenna driver to interact with antenna control signals of the signal processor, and an IO signal output end of an antenna panel is connected with an IO signal input end of the antenna driver.
Preferably, the model of the first RS232 interface may be HWD32F103ELQFP64.
It should be understood that the model of the antenna driver may be GD32F103VCT6 of mega-easy innovation technology and technology, and the inner core is an upgrade of Cortex-M3, compatible with Cortex-M3, capable of realizing zero wait of Flash, main frequency up to 108Mhz, higher code execution rate, more stored code quantity and higher cost performance.
Specifically, the beidou chip GK9501 (i.e. the beidou positioning module) works, receives signals of the beidou satellite, positions the device, sends position information to the MCU master chip GD32F103VCT6 (i.e. the antenna driver) according to the NAME0183 or NAME2000 protocol, and then the MCU chip (i.e. the antenna driver) controls 422 chip (i.e. the first RS422 interface) to transmit to the signal processing unit (i.e. the signal processor) for resolving a satellite finding program, calculates azimuth angle, pitch angle and polarization angle of the satellite to be tracked, and then transmits back to the antenna receiving unit (i.e. the antenna driver) for accurately finding the satellite by controlling the rotation of the motor (i.e. the antenna driving motor) through the motor driving circuit.
In the embodiment, the antenna driving motor can be effectively controlled to rotate, the defects of low positioning precision, large jumping and poor environmental adaptability of the driving motor are overcome, and meanwhile, the power consumption is reduced, and the use requirement of the ship environment can be met.
Alternatively, as an embodiment of the present utility model, as shown in fig. 1 and 2, the motor driving circuit includes an azimuth motor driving circuit, a elevation motor driving circuit, and a roll motor driving circuit, the antenna driving motor includes an azimuth driving motor, an elevation driving motor, and a roll driving motor,
the antenna comprises an antenna driver, a bearing motor control signal output end of the antenna driver is connected with a bearing motor control signal input end of a bearing motor driving circuit, a 3.3V voltage input end of the bearing motor driving circuit is used for being connected with 3.3V voltage, a 24V voltage input end of the bearing motor driving circuit is used for being connected with 24V voltage, an output end of the bearing motor driving circuit is connected with an input end of the bearing motor driving circuit, a pitching motor control signal output end of the antenna driver is connected with a pitching motor control signal input end of the pitching motor driving circuit, a 3.3V voltage input end of the pitching motor driving circuit is used for being connected with 3.3V voltage, a 24V voltage input end of the pitching motor driving circuit is used for being connected with 24V voltage, a rolling motor control signal output end of the antenna driver is connected with a rolling motor control signal input end of the rolling motor driving circuit, a 3.3V voltage input end of the rolling motor driving circuit is used for being connected with a rolling motor input end of the rolling motor driving circuit, and the 24V voltage input end of the antenna driver is connected with the rolling motor driving circuit.
It should be appreciated that the azimuth motor drive circuit, the elevation motor drive circuit, and the roll motor drive circuit are all of the type LD33035.
In the embodiment, the driving motor of various antennas can be effectively controlled to rotate, and the defects of low positioning precision, large jumping when the driving motor is driven and poor environmental adaptability are overcome.
Alternatively, as an embodiment of the present utility model, as shown in fig. 1 and 3, the signal processor includes a control signal processor, an information processor, a radio frequency tuner and an ethernet port,
the antenna control signal transmission end of the control signal processor is provided with a second RS422 interface, the control signal processor is connected with the driver through the second RS422 interface, the second RS422 interface is used for enabling the driver to interact with antenna control signals of the control signal processor, the Ethernet port is in bidirectional connection with the RMI signal transmission end of the control signal processor and used for enabling external equipment to interact with RMI signals of the control signal processor, the TTL signal output end of the control signal processor is connected with the TTL signal input end of the information processor, the power input end of the control signal processor is used for being connected with 3.3V voltage, the power input end of the information processor is used for being connected with 3.3V voltage, the second RF signal output end of the antenna panel is connected with the input end of the radio frequency tuner, the RF signal output end of the radio frequency tuner is used for being connected with the input end of the second satellite receiver, and the satellite signal output end of the radio frequency tuner is connected with the satellite signal input end of the control signal processor.
Preferably, the model of the control signal processor may be GD32F407VET6 of mega-easy innovation technology and technology, the model of the information processor may be GD32F103R8T6 of mega-easy innovation technology and technology, the model of the ethernet port may be SR8201F, and the model of the second RS422 interface may be GB490H.
It will be appreciated that the signal processor also includes a memory and a signal processor clock, I of the memory 2 C signal transmission end and I of the control signal processor 2 C signal transmission end is connected in two directions, I of the information processor 2 C signal transmission end and I of the signal processor clock 2 And the signal transmission end is connected in a bidirectional way.
Specifically, the LNB signal transmitted by the antenna panel is modulated and demodulated by the radio frequency tuner, and the demodulated satellite signal AGC value is transmitted to the signal processor for program processing; meanwhile, beidou positioning information (namely a position signal) received from the driver is transmitted to the signal processor for program calculation, azimuth angle, pitch angle and polarization angle of a satellite to be tracked are calculated, the satellite is transmitted back to the driver to control a motor (namely an antenna driving motor) to rotate at +/-3 degrees opposite to the satellite azimuth for coarse satellite searching, and the satellite is compared according to an AGC value of the satellite signal to find the maximum value, and finally the satellite is locked.
In the embodiment, the angle information of the satellite can be obtained, the positioning precision of the satellite is improved, the defects of low positioning precision, large jump during driving of a motor, large system power consumption, low antenna gain and poor environmental adaptability are overcome, and the effects of quick satellite finding and tracking, stable tracking, strong anti-swing capability and high gain can be achieved.
Alternatively, as an embodiment of the present utility model, as shown in fig. 1 and 3, the RF tuner includes a radio frequency demodulator and the RF signal output terminal includes I 2 A C signal output end and an ADC signal output end,
the second RF signal output end of the antenna panel is connected with the input end of the radio frequency device, the first RF signal output end of the radio frequency device is connected with the input end of the demodulator, the second RF signal output end of the radio frequency tuner is used for being connected with the input end of the second satellite receiver, and the I of the demodulator 2 C signal output end and I of the control signal processor 2 And the signal input end of the C is connected, and the ADC signal output end of the demodulator is connected with the ADC signal input end of the control signal processor.
Preferably, the radio frequency device may be of the type Ruidike RDA5815M and the demodulator may be of the type Guoge GD1121D.
It should be understood that the RF signal output is the RF signal output of the radio frequency tuner, i.e. the RF signal output of the radio frequency tuner comprises the I of the demodulator 2 And the signal output end of C and the signal output end of ADC of the demodulator.
It should be appreciated that the LNB signal transmitted by the antenna panel is modulated and demodulated by the rdia 5815M (i.e., the radio frequency device) and the GD1121D (i.e., the demodulator), and the demodulated satellite signal AGC value is transmitted to the signal processor for program processing.
In the above embodiment, the signals can be modulated and demodulated, so that the positioning accuracy of the satellite is improved.
Alternatively, as an embodiment of the present utility model, as shown in fig. 1 to 3, the antenna panel includes a sub-reflection surface assembly, a waveguide, and a down converter,
the RF signal output end of the waveguide tube is connected with the RF signal input end of the frequency down converter, the first RF signal output end of the frequency down converter is connected with the input end of the first satellite receiver, the second RF signal output end of the frequency down converter is connected with the RF signal input end of the signal processor, the IO signal output end of the auxiliary reflection surface component is connected with the IO signal input end of the driver, the 5V power input end of the auxiliary reflection surface component is used for accessing 5V voltage, and the 12V power input end of the auxiliary reflection surface component is used for accessing 12V voltage.
It should be understood that the LNB down converter (i.e. the down converter) performs L-band signal down conversion on the satellite signal, where the down converter (i.e. the down converter) adopts a dual-output mode, one path outputs to the signal processor to perform AGC sampling, and the other path can directly output to the external direct broadcast satellite receiver (i.e. the first satellite receiver) to perform program decoding.
In the above embodiment, the satellite signals in the space can be focused, so as to obtain more accurate satellite signals.
Optionally, as an embodiment of the present utility model, as shown in fig. 1 to 3, the satellite receiving device for a ship further includes a first indicator light, a sensor, a second indicator light and a key,
the IO signal output end of the antenna driver is connected with the input end of the first indicator lamp, a second RS232 interface is arranged on the sensor control signal transmission end of the antenna driver, the antenna driver is connected with the sensor through the second RS232 interface, the second RS232 interface is used for interacting sensor control signals of the antenna driver and the sensor, the indicator lamp control signal output end of the signal processor is connected with the input end of the second indicator lamp, and the key control signal output end of the key is connected with the key control signal input end of the signal processor.
Preferably, the model of the second RS232 interface may be HWD32F103ELQFP64.
In the embodiment, the control of the device is realized, the power consumption is reduced, and the use requirement of the ship environment can be met.
Alternatively, as an embodiment of the present utility model, as shown in fig. 1 to 3, the sensor includes a inertial navigation, a third indicator light, a voltage regulator, and a sensor crystal,
the antenna driver is connected with the inertial navigation device through the second RS232 interface, the second RS232 interface is used for enabling the antenna driver to interact with sensor control signals through the inertial navigation device, the input end of a power supply of the inertial navigation device is used for accessing 3.3V voltage, the output end of a sensor crystal oscillator is connected with the input end of an inertial navigation clock signal, the output end of an inertial navigation IO signal is connected with the input end of a third indicator lamp, and the output end of a limit switch control signal of the voltage stabilizer is connected with the input end of a limit switch control signal of the antenna driver.
Preferably, the model of inertial navigation may be a SurPass-a500C and the voltage regulator may be a linear voltage regulator ME6211. The sensor crystal oscillator can be an 8MHz crystal oscillator.
In the embodiment, more accurate information is convenient to obtain, the defects of low positioning precision, large jitter when a motor is driven, high system power consumption, low antenna gain and poor environmental adaptability are overcome, the effects of quick star finding, stable tracking, strong anti-swing capability and high gain can be achieved, and meanwhile, the power consumption is reduced, and the use requirement of a ship environment can be met.
Alternatively, as another embodiment of the present utility model, the present utility model performs a self-check on the states of each part of the antenna (self-check on each part driven by the pitch, azimuth and roll motors) through program control.
Optionally, as another embodiment of the utility model, the development of the receiving antenna device for the ship in the country is strictly carried out according to the requirements of the ship service condition, aiming at the defects of low positioning precision, large jump when a motor is driven, large system power consumption, low antenna gain, poor environmental suitability and the like of the receiving antenna for the ship in the prior art. The technical problem to be solved by the utility model is to solve the technical defects of the existing receiving antenna device technology for the ship, realize the antenna device with rapid star finding and tracking, stable tracking, strong anti-swing capability and high gain, control the star receiving time of the antenna within 90 seconds, reduce the power consumption of equipment and meet the use requirement of the ship environment.
Alternatively, as another embodiment of the present utility model, the present utility model is mainly used as a front-end signal receiving device of a satellite television receiving system, and becomes a front-end device of the system.
Alternatively, as another embodiment of the present utility model, the present utility model has the following beneficial effects: 1) Compared with the existing satellite signal automatic tracking marine receiving antenna device, the Beidou chip with higher positioning precision is adopted, more advanced software and hardware technology routes are adopted, the marine receiving antenna device is designed and developed, the performances such as power consumption reduction, satellite finding time reduction and the like are realized under the condition that the overall performance function is not reduced and the performance is not reduced, and the environmental adaptability and electromagnetic compatibility of equipment are improved;
2) Through optimizing the type selection design in the aspects of positioning the chip, the power chip, improving the antenna gain and the like, simplifying the equipment function according to the characteristics of ship users, optimizing the hardware circuit and the program design, improving the satellite searching speed of the antenna device, effectively reducing the equipment power consumption, improving the service life of the equipment, realizing the satellite searching time of not more than 90s, and the re-locking satellite time of not more than 30s after unlocking, wherein the environmental adaptability and the electromagnetic compatibility of the product meet the requirements of ship conditions.
The application method of the utility model is as follows: when the satellite tracking system works, firstly, the Beidou positioning module receives a positioning signal (namely a position signal), the driver receives the position information (namely the position signal) and transmits the position information to the signal processor, and the signal processor obtains the azimuth angle, the pitch angle and the polarization angle of a satellite to be tracked; the antenna panel carries out L-band signal down-conversion on satellite signals, the antenna panel adopts a double-output mode, one path of the signal is output to the signal processor for AGC sampling, the other path of the signal can be directly output to an external direct broadcast satellite receiver (namely, the second satellite receiver) for program decoding, the signal processor receives L-band satellite signals, demodulates the satellite signals, carries out AGC circuit sampling on the satellite signals, and transmits control information to the driver, the driver controls a motor (namely, the antenna driving motor) to operate, automatically tracks space satellites required to be received, carries out rough satellite finding at +/-3 degrees opposite to satellite positions, and then carries out sampling comparison on an AGC sampling circuit of the satellites to realize accurate satellite tracking.
The utility model has the advantages of solving the defects of low positioning precision, large jump when driving the motor, high system power consumption, low antenna gain and poor environmental adaptability, achieving the effects of quick star finding, stable tracking, strong anti-swing capability and high gain, reducing the power consumption and meeting the use requirement of the ship environment.
The foregoing description of the preferred embodiment of the utility model is not intended to limit the utility model to the precise form disclosed, and any modifications, equivalents, and improvements made within the spirit and principles of the utility model are intended to be included within the scope of the utility model, as the utility model is not limited to the details of computer program modification.
Claims (8)
1. A satellite receiving device for a ship is characterized by comprising a driver, a signal processor, an antenna panel, a Beidou positioning module and an antenna driving motor,
the position signal transmission end of the driver is in bidirectional connection with the position signal transmission end of the Beidou positioning module, the antenna control signal transmission end of the driver is in bidirectional connection with the antenna control signal transmission end of the signal processor, the motor control signal output end of the driver is connected with the input end of the antenna driving motor, the IO signal output end of the antenna panel is connected with the IO signal input end of the driver, the first RF signal output end of the antenna panel is used for being connected with the input end of the first satellite receiver, the second RF signal output end of the antenna panel is connected with the RF signal input end of the signal processor, and the RF signal output end of the signal processor is used for being connected with the input end of the second satellite receiver.
2. A satellite receiving device for a ship according to claim 1, wherein the driver comprises an antenna driver and a motor driving circuit,
the antenna driver is characterized in that a first RS232 interface is arranged on a position signal transmission end of the antenna driver, the antenna driver is connected with the Beidou positioning module through the first RS232 interface, the first RS232 interface is used for enabling the Beidou positioning module to interact with position signals of the antenna driver, a motor control signal output end of the antenna driver is connected with an input end of a motor driving circuit, a power input end of the antenna driver is used for accessing 3.3V voltage, an output end of the motor driving circuit is connected with an input end of an antenna driving motor, a first RS422 interface is arranged on an antenna control signal transmission end of the antenna driver, the antenna driver is connected with a signal processor through the first RS422 interface, the first RS422 interface is used for enabling the antenna driver to interact with antenna control signals of the signal processor, and an IO signal output end of an antenna panel is connected with an IO signal input end of the antenna driver.
3. The satellite receiving device for a ship according to claim 2, wherein the motor driving circuit includes an azimuth motor driving circuit, a pitch motor driving circuit, and a roll motor driving circuit, the antenna driving motor includes an azimuth driving motor, a pitch driving motor, and a roll driving motor,
the antenna comprises an antenna driver, a bearing motor control signal output end of the antenna driver is connected with a bearing motor control signal input end of a bearing motor driving circuit, a 3.3V voltage input end of the bearing motor driving circuit is used for being connected with 3.3V voltage, a 24V voltage input end of the bearing motor driving circuit is used for being connected with 24V voltage, an output end of the bearing motor driving circuit is connected with an input end of the bearing motor driving circuit, a pitching motor control signal output end of the antenna driver is connected with a pitching motor control signal input end of the pitching motor driving circuit, a 3.3V voltage input end of the pitching motor driving circuit is used for being connected with 3.3V voltage, a 24V voltage input end of the pitching motor driving circuit is used for being connected with 24V voltage, a rolling motor control signal output end of the antenna driver is connected with a rolling motor control signal input end of the rolling motor driving circuit, a 3.3V voltage input end of the rolling motor driving circuit is used for being connected with a rolling motor input end of the rolling motor driving circuit, and the 24V voltage input end of the antenna driver is connected with the rolling motor driving circuit.
4. The satellite receiving device for a ship according to claim 1, wherein the signal processor comprises a control signal processor, an information processor, a radio frequency tuner, and an ethernet port,
the antenna control signal transmission end of the control signal processor is provided with a second RS422 interface, the control signal processor is connected with the driver through the second RS422 interface, the second RS422 interface is used for enabling the driver to interact with antenna control signals of the control signal processor, the Ethernet port is in bidirectional connection with the RMI signal transmission end of the control signal processor and used for enabling external equipment to interact with RMI signals of the control signal processor, the TTL signal output end of the control signal processor is connected with the TTL signal input end of the information processor, the power input end of the control signal processor is used for being connected with 3.3V voltage, the power input end of the information processor is used for being connected with 3.3V voltage, the second RF signal output end of the antenna panel is connected with the input end of the radio frequency tuner, the RF signal output end of the radio frequency tuner is used for being connected with the input end of the second satellite receiver, and the satellite signal output end of the radio frequency tuner is connected with the satellite signal input end of the control signal processor.
5. The satellite receiving device for a ship according to claim 4, wherein the radio frequency tuner comprises a radio frequency demodulator and the RF signal output terminal comprises I 2 A C signal output end and an ADC signal output end,
the second RF signal output end of the antenna panel is connected with the input end of the radio frequency device, the first RF signal output end of the radio frequency device is connected with the input end of the demodulator, the second RF signal output end of the radio frequency tuner is used for being connected with the input end of the second satellite receiver, and the I of the demodulator 2 C signal output end and I of the control signal processor 2 And the signal input end of the C is connected, and the ADC signal output end of the demodulator is connected with the ADC signal input end of the control signal processor.
6. The satellite receiving device for a ship according to claim 1, wherein the antenna panel comprises a sub-reflection surface assembly, a waveguide, and a down converter,
the RF signal output end of the waveguide tube is connected with the RF signal input end of the frequency down converter, the first RF signal output end of the frequency down converter is connected with the input end of the first satellite receiver, the second RF signal output end of the frequency down converter is connected with the RF signal input end of the signal processor, the IO signal output end of the auxiliary reflection surface component is connected with the IO signal input end of the driver, the 5V power input end of the auxiliary reflection surface component is used for accessing 5V voltage, and the 12V power input end of the auxiliary reflection surface component is used for accessing 12V voltage.
7. The satellite receiving device for a ship according to claim 2, further comprising a first indicator light, a sensor, a second indicator light and a key,
the IO signal output end of the antenna driver is connected with the input end of the first indicator lamp, a second RS232 interface is arranged on the sensor control signal transmission end of the antenna driver, the antenna driver is connected with the sensor through the second RS232 interface, the second RS232 interface is used for interacting sensor control signals of the antenna driver and the sensor, the indicator lamp control signal output end of the signal processor is connected with the input end of the second indicator lamp, and the key control signal output end of the key is connected with the key control signal input end of the signal processor.
8. The satellite receiving device for a ship according to claim 7, wherein the sensor comprises inertial navigation, a third indicator light, a voltage stabilizer and a sensor crystal oscillator,
the antenna driver is connected with the inertial navigation device through the second RS232 interface, the second RS232 interface is used for enabling the antenna driver to interact with sensor control signals through the inertial navigation device, the input end of a power supply of the inertial navigation device is used for accessing 3.3V voltage, the output end of a sensor crystal oscillator is connected with the input end of an inertial navigation clock signal, the output end of an inertial navigation IO signal is connected with the input end of a third indicator lamp, and the output end of a limit switch control signal of the voltage stabilizer is connected with the input end of a limit switch control signal of the antenna driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320144275.7U CN219657879U (en) | 2023-02-07 | 2023-02-07 | Satellite receiving device for warship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320144275.7U CN219657879U (en) | 2023-02-07 | 2023-02-07 | Satellite receiving device for warship |
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| Publication Number | Publication Date |
|---|---|
| CN219657879U true CN219657879U (en) | 2023-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320144275.7U Active CN219657879U (en) | 2023-02-07 | 2023-02-07 | Satellite receiving device for warship |
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| Country | Link |
|---|---|
| CN (1) | CN219657879U (en) |
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2023
- 2023-02-07 CN CN202320144275.7U patent/CN219657879U/en active Active
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