CN106170078A - A kind of satellite long-distance intelligent broadcast system and operational approach - Google Patents
A kind of satellite long-distance intelligent broadcast system and operational approach Download PDFInfo
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- CN106170078A CN106170078A CN201610723410.8A CN201610723410A CN106170078A CN 106170078 A CN106170078 A CN 106170078A CN 201610723410 A CN201610723410 A CN 201610723410A CN 106170078 A CN106170078 A CN 106170078A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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Abstract
The present invention relates to a kind of long-distance intelligent broadcast system, particularly relate to a kind of satellite long-distance intelligent broadcast system and operational approach.A kind of satellite long-distance intelligent broadcast system, including visualization broadcast command centre and long-range unmanned boat system, described visualization broadcast command centre and long-range unmanned boat system are wireless connections by satellite.Introduce local/remote client and linking Internet, it is achieved satellite system running status is supervised, merge Internet technology, be greatly enhanced the safety and reliability of whole system communication.
Description
Technical field
The present invention relates to a kind of long-distance intelligent broadcast system, particularly relate to a kind of satellite long-distance intelligent broadcast system and operation
Method.
Background technology
Now with marine resources continually develop with expand, fishing boat ocean operating frequency the most intensive, the fish-farming operation of various places refers to
Center of waving uses general communication means (mobile phone, shortwave, ultrashort wave) that ship supervision is faced communication signal and is often interfered very
To disruption.In scientific investigation Exploration Domain, there is also because being in the geographical position that conventional communications signal is difficult to cover, cause whole
Investigate team's survey to be difficult to carry out.It addition, in terms of geological disaster emergency command or the monitored for prolonged periods of time to deathtrap, past
In the case of unmanned, complete task toward needs, and general communication means cannot meet requirement.
Communication technology of satellite ground is fast-developing and satellite operator cost declines year by year in recent years, has already demonstrated huge answering
Use potentiality.In terms of telecommunication, compared with other means of communication, satellite communication has that message capacity is big, signal covers ground
Territory extensively, by geographical conditions do not limited and the advantage such as communication mode maneuverability.Therefore, satellite communication can compensate for it effectively
The deficiency of his means of communication, using satellite communication as tie, in conjunction with multiplexing technologies solutions such as the Internet, Industry Control, multimedias
Certainly the above-mentioned field problem of becoming increasingly conspicuous is following a kind of development trend.
Summary of the invention
The present invention mainly solves the deficiencies in the prior art, it is provided that one completes command centre to unattended
Remote region remotely monitors, and in case of emergency command centre can make the one of broadcast early warning in time to supervision region
Satellite long-distance intelligent broadcast system and operational approach.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals:
A kind of satellite long-distance intelligent broadcast system, including visualization broadcast command centre and long-range unmanned boat system, described
Visualization broadcast command centre and long-range unmanned boat system be wireless connections by satellite；
Visualization is broadcasted command centre and is included that land adjusts demodulator and Landsat controller, and described land adjusts and solves
Adjusting device to be connected with Landsat antenna respectively with Landsat controller, described land adjusts demodulator and hands over land network
Changing planes and be connected, the described land network switch is connected with DVR and land voice gateways respectively, described land
Ground voice gateways connect commander's machine, and described DVR connects control keyboard, LCD monitor respectively；
Remotely unmanned boat system includes unmanned boat modem and unmanned boat satellite controller, described unmanned boat modulation
Demodulator is connected with unmanned boat satellite antenna respectively with unmanned boat satellite controller, described unmanned boat modem and nothing
People's ship network switch is connected, the described unmanned boat network switch respectively with unmanned boat network-type video camera and unmanned boat language
Sound gateway is connected, and described unmanned boat voice gateways connect playing device；
Described Landsat antenna is connected by satellite with unmanned boat satellite antenna.
As preferably, described Landsat controller and unmanned boat satellite controller are respectively equipped with satellite transit position
Put, satellite antenna signals intensity, the parameter of time show and control.
As preferably, between the unmanned boat network switch and unmanned boat voice gateways, the land network switch and land voice
Equipment between gateway realizes terminal IP device and analog communication equipment are carried out automatic addressing communication and management, increases the Internet and connects
Entering function, assist satellite communication to realize dual redundant mechanism, both do not interfere with each other, and improve the reliability of total system communication.
As preferably, being provided with sound modular converter in described playing device, sound modular converter includes voice signal
Conditioning is matched to public broadcasting loudspeaker signal input port, and collection site voice signal carries out processing passback；Described broadcasting dress
Being provided with public broadcasting microphone in putting, public broadcasting microphone includes constant-pressure type public broadcasting microphone and horn speaker,
Complete the propagation of acoustical signal.
The operational approach of a kind of satellite long-distance intelligent broadcast system, sequentially includes the following steps:
(1), installation and debugging:
1, determine that range of receiving launched by satellite antenna according to actually used demand, make according to the field strength pattern that lands of selected satellite
Foundation for antenna model selection；
Land adjusts demodulator and unmanned boat modem is all referred to as adjusting demodulator；
Landsat controller and unmanned boat satellite controller are all referred to as satellite controller；
Landsat antenna and unmanned boat satellite antenna are all referred to as satellite antenna；
The land network switch and the unmanned boat network switch are all referred to as the network switch；
Unmanned boat, it is local that satellite antenna installation site should be selected in shelter, it is desirable to is contained on compass deck, is installing
During, first removing inner antenna and insert the both sides of foam plastics fixed pedestal, re-use supporting screw, plain cushion, spring washer is solid
Determine antenna base, to be installed complete after must reconfigure antenna house；Satellite antenna circuit by bend pipe enter bridge, bend pipe and
Through wires hole application clay does encapsulation process, connects electric wire, the most first close power supply, it is to avoid get an electric shock during coaxial line in installation process
Dangerous；
2, the supporting rack of satellite antenna is built with satellite controller, modem, the network switch, voice gateways, electricity
Supply socket and radiator, all devices all uses screw, nut, spring washer and plain cushion fastening, the internal netting twine used and electricity
Words line is arranged by rack bottom right side and is fixed with band, and all power lines of internal use are arranged also by rack left bottom
It is fixed with band；After installing, whole rack should be placed on vibration table and carry out vibration test, arranges vibration table frequency
Being 13.2～100Hz, amplitude is ± 1.0mm, to scan less than 1oct/min sweep speed, checks for covibration；As
Without obvious resonance point, then should make 90min vibration endurance test under 30Hz；Rack answers without exception and damaged phenomenon in process of the test,
Should be able to normally work after test；
3, completion system wiring, after energising, satellite antenna starts rotation and carries out searching star, gets final product locking satellite in 1 minute,
The satellite longitude that antenna is followed the tracks of, signal intensity, Beijing time, and aerial signal can be checked now by satellite controller；
Rotation process knob, will appear from the parameters of institute's tracking satellite；Realize switch satellite operation, first select " SWITCH SAT "
Enter satellite interface switching, the satellite that satellite list is lighted in being all " SET SAT " herein, select the satellite that you are to be switched to go out
Existing dialog box selects the switching that " OK " can carry out satellite；
4, the 25 pin male ends of the one end of the cable joined by modem are connected with modem, the other end 9 pin
Or 25 pin plugs are connected with the com port on PC；Opening PC and modem, computer interface can " find new by automatic spring
Hardware device " information, the most only need to select " hardware vendor provides driver ", and driving of modem producer offer is provided
Moving plate is installed；The dial-up program in the hyper terminal in Windows adnexa can be used, input telephone number letter to be dialled
Breath, checking is installed the most correct；
5, the network switch carries out initial configuration, VLAN configuration, Telnet configuration and SNMP to the network switch
The operation of configuration, after setting completed, uses PC to access netting twine, and can input account number be verified and be surfed the Net after password；
6, voice gateways WAN mouth connects network switch LAN mouth, and voice gateways PC mouth connects computer, opens computer and language
Sound gateway power supply, any address computer IP address being revised as on the 192.168.2.XXX network segment, open Windows browser
And offer IP address, voice gateways back is provided, enter main interface and carry out parameter configuration on request；After configuration, restart voice
Gateway power supply, can dial phone number by the commander's machine being connected on voice gateways FXS mouth, can put through explanation voice gateways and set
Put correct；
(2), meet satellite communication abnormal, can be investigated by following steps:
1, inspection satellite controller signal is with or without display, and longitude and latitude is with or without display；
2, antenna power amplifier BUC lamp display situation is checked；BUC lamp does not works: check whether BUC wiring has loosening, upstream feeder
Device is the most faulty；BUC sends out a warning: check aerial voltage whether between 22V～26V, whether wiring is normal to check TX line；
BUC green light: represent BUC normal operation；
3, modem display lamp display situation is checked；RX signal lights is orange: check whether satellite controller switch is beaten
Open, check whether antenna locks, check that RX line connects the most normal；RX signal lights is green: represent properly functioning；TX signal lights orange
Color: check that TX line connects the most normal, checks whether GPS connects normally, if reversal connection occur；Enter DOS interface telnet to look into
See that GPS is the most normal；Antenna TX launches the most normal；Modem RX, TX, NET, STATUS, POWER display lamp is the greenest
Lamp Chang Liang, then it represents that antenna system communication is normal；
4, normal when aerial lock star, but when online is abnormal, use 4 orders to check modem state；First by net
LAN mouth on modem is connected by line with computer, opens isite software, waits a period of time, and software can obtain tune automatically
The IP of modulator-demodulator, gateway 172 network segment of management VLAN1；Then open network to connect, change locally-attached IP, be arranged to
With modem on the same network segment, local IP gives tacit consent to more than the IP address of modem up adds 1, and 6 addresses can
With, gateway is arranged to the IP of modem；When modem is when normally working, can enter by running CMD order
After DOS system, perform to issue orders:
Telnet 172.26.0.21 (IP of modem) logs in:
Username (user name): admin
Password (password): P@55w0rd！(capitalization P, 0 is zero,！For exclamation mark)
Log in and can perform following 4 orders after entering and check aerial information:
Rx power checks current antenna received signal strength
Rx snr checks that current antenna receives snr value and (judges that whether antenna is to satelloid, snr value after lock star by snr value
More than 5.0)
Latlong checks that (modem is only getting GPS to the GPS information that modem gets from antenna
Openamip could be realized after information and automatically cut star function)
Beamselector list checks configuration satellite number in current modem
Beamselector switch satellite number (actively allows modem be switched to oneself want the satellite of alignment)
Perform to need unlatching telnet service function before telnet order: control panel → program → open or close
Windows function → choose telnet server and telnet client；
(3), operation processes:
1, sound modular converter delivers to public broadcasting microphone after on the one hand realizing nursing one's health input speech signal further
It is amplified broadcast, on the other hand, by built-in mew head collection site broadcast singal and is back to by satellite communication link
Command centre is as monitoring；Circuit parameter debugging detailed annotation is as follows:
A, ringing number select: when J1, J2 do not connect, the machine is once connected in ring；J1 meets J2 and does not connect the connection of ring secondary originally
Machine；J1 does not meet J2 and connects three connection the machine of ring；
B, output select: J3 connects after A point then the machine is connected and directly exports to microphone；J3 connects after B point then the machine is connected and needs
Calling party dials " * 8 " again and just exports to microphone, to prevent unrelated phone from dialing out microphone by mistake；
C, busy tone learn: use first and connect the machine, pin C button after amplifying, then allow calling party's on-hook, and loudspeaker is listened
To busy tone, it can be seen that luminous tube D is bright once after about 5-6 sound busy tone, now the machine can identify this busy tone, and unclamping button can be just
Often use；
Volume adjusting is monitored in D, loopback: adjusting size is heard preferably monitoring speaker sound with calling party；
2, public broadcasting microphone equipment is constant-pressure type power amplifying device, and its specific performance index is as follows:
Rated output power is 200W, non-linear distortion≤7% during rated output power, at 100Hz～8KHz not
The uniformity (i.e. frequency characteristic)≤3dB, power amplifier output form is level pressure AC120V；Broadcasting equipment uses double loop power supply supplier of electricity
Formula, it is ensured that equipment runs Bu Yinmou road power failure and affects work, equipment power amplifier have employed temperature protection simultaneously, and short circuit is protected
Protect, the multiple safeguard procedures of overcurrent protection, whole equipment safety in operation and reliability are greatly improved；Whole broadcasting equipment should be put
Put and carry out vibration test on a vibration table；Arranging vibration table frequency is 13.2～100Hz, and amplitude is ± 1.0mm, to be less than
1oct/min sweep speed scans, and checks for covibration；As without obvious resonance point, then should make under 30Hz that 90min is resistance to shake
Test；Rack answers without exception and damaged phenomenon in process of the test, should be able to normally work after test；Connect the circuit of equipment room,
After device power, switching by lower panel power source, panel power source display lamp is bright, picks up the hand microphone of main frame configuration, closes
Closing microphone switch to propaganda directed to communicate it, outdoor horn speaker should send sound of propagandaing directed to communicate and prove that equipment is working properly；
3, monitoring system is connected, in command centre by operation keyboard, should be able to realize unmanned boat area monitoring is drawn
Face is amplified reducing, switch, focus on and requirement that shooting angle adjusts
4, commander's machine of command centre's configuration, when monitoring unmanned boat region and emergency occurring, can be immediately to its district
Urgent broadcast scheduling is done in territory, reaches early warning effect；Especially commander's machine is equipped with a key call function, it is not necessary to be manually entered fixing number
Code, improves on-the-spot early warning promptness and convenience；Concrete operations effect is: pick up commander's cleaner handgrip, presses and propagandas directed to communicate on its panel
Key, transmits a succession of trunk tone in receiver, its display lamp is bright, after some seconds, shows long-range unmanned after hearing twice ring tone
The communication of ship region receives successfully, can talk.Now remotely broadcast system at unmanned boat automatically opens up speaker and carries out voice
Broadcast, can hear, in commander's machine receiver, the field speech signal returned after a while simultaneously；
(4), telecommunication:
Video monitoring: first remotely shooting picture is automatically converted into IP numeral letter by the network-type photographic head in unmanned boat region
Number, then pass through network switch independent process and send to modem, the IP digital signal that modem is loaded onto is adjusted
Make analogue signal and transmit carry out frequency-converter power amplification to satellite antenna after with wireless electromagnetic waveshape launch；Command centre
Specific wireless electromagnetic wave signal is received and modulates signals into into IP digital data transmission extremely by modem by satellite antenna
The network switch, digital signal transmission is stored to DVR, and passes through LCD monitor by the network switch automatically
Can observe monitored picture, operation keyboard realizes being amplified monitored picture reducing, switches, focuses on and shooting angle simultaneously
The function adjusted；
Speech communication: command centre personnel, when monitored picture observes dangerous situation, can use the one touch dial merit of commander's machine
Can, the double-audio signal that commander's machine produces immediately is converted into IP digital signal by voice gateways, more only by the network switch
Vertical process also sends to modem, and the IP digital signal modulated of input is become analogue signal and transmits to defending by modem
Star antenna is launched with wireless electromagnetic waveshape after carrying out frequency-converter power amplification；Remotely the satellite antenna of unmanned boat is by particular radio
Magnetostatic wave signal receives and by modem, analogue signal is demodulated to IP digital data transmission and hands over to the network switch, network
Change planes and automatically digital signal is sent to voice gateways, automatically process and be converted into analogue signal and entered by sound modular converter
Row signal condition, is then transmit to public broadcasting microphone and carries out power amplification, finally promote speaker to send sound, will simultaneously
The sound that speaker sends is acquired by sound modular converter, is back to command centre's conduct through above-mentioned satellite communication link
Monitor and use, it is ensured that speech communication reliability.
The present invention provides a kind of satellite long-distance intelligent broadcast system and operational approach, is not limited with weather environment by region,
Guarantee accuracy and reliability that communication signal transmits；In deathtrap, can install rear personnel without stay-at-home at the scene, not only
Save human resources, and avoid personnel's unexpected injury；Utilize satellite communication maneuverability feature, be also very suitable for
Mobile communication demand；Introduce local/remote client and linking Internet, it is achieved satellite system running status is supervised, melts
Close Internet technology, be greatly enhanced the safety and reliability of whole system communication.
Accompanying drawing explanation
Fig. 1 is the fundamental block diagram of the present invention；
Fig. 2 is the composition schematic diagram of the present invention.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment 1: as depicted in figs. 1 and 2, a kind of satellite long-distance intelligent broadcast system, including in visualization broadcast commander
The heart and long-range unmanned boat system, described visualization broadcast command centre and long-range unmanned boat system are wireless company by satellite
Connect；
Visualization is broadcasted command centre and is included that land adjusts demodulator 1 and Landsat controller 2, and described land adjusts
Demodulator 1 is connected with Landsat antenna 3 respectively with Landsat controller 2, and described land adjusts demodulator 1 and land
The network switch 4 is connected, and the described land network switch 4 is connected with DVR 5 and land voice gateways 6 respectively
Connecing, described land voice gateways 6 connect commander's machine 7, and described DVR 5 connects control keyboard 8, monitor lcd respectively
Device 9；
Remotely unmanned boat system includes unmanned boat modem 10 and unmanned boat satellite controller 11, described unmanned boat
Modem 10 is connected with unmanned boat satellite antenna 12 respectively with unmanned boat satellite controller 11, described unmanned boat modulation
Demodulator 10 is connected with the unmanned boat network switch 13, the described unmanned boat network switch 4 respectively with unmanned boat network-type
Video camera 14 is connected with unmanned boat voice gateways 15, and described unmanned boat voice gateways 15 connect playing device 16；
Described Landsat antenna 3 is connected by satellite with unmanned boat satellite antenna 12.
Described Landsat controller 2 and unmanned boat satellite controller 11 are respectively equipped with satellite transit position, satellite
Antenna signal strength, the parameter of time show and control.
Between the unmanned boat network switch 13 and unmanned boat voice gateways 15, the land network switch 4 and land voice gateways 6
Between equipment realize terminal IP device and analog communication equipment are carried out automatic addressing communication and management, increase linking Internet merit
Can, assist satellite communication to realize dual redundant mechanism, both do not interfere with each other, and improve the reliability of total system communication.
Being provided with sound modular converter in described playing device 16, sound modular converter includes voice signal conditioning coupling
To public broadcasting loudspeaker signal input port, collection site voice signal carries out processing passback；
Being provided with public broadcasting microphone in described playing device 16, public broadcasting microphone includes that constant-pressure type is public extensively
Broadcast microphone and horn speaker, complete the propagation of acoustical signal.
The operational approach of a kind of satellite long-distance intelligent broadcast system, sequentially includes the following steps:
(1), installation and debugging:
1, determine that range of receiving launched by satellite antenna according to actually used demand, make according to the field strength pattern that lands of selected satellite
Foundation for antenna model selection；
Land adjusts demodulator and unmanned boat modem is all referred to as adjusting demodulator；
Landsat controller and unmanned boat satellite controller are all referred to as satellite controller；
Landsat antenna and unmanned boat satellite antenna are all referred to as satellite antenna；
The land network switch and the unmanned boat network switch are all referred to as the network switch；
Unmanned boat, it is local that satellite antenna installation site should be selected in shelter, it is desirable to is contained on compass deck, is installing
During, first removing inner antenna and insert the both sides of foam plastics fixed pedestal, re-use supporting screw, plain cushion, spring washer is solid
Determine antenna base, to be installed complete after must reconfigure antenna house；Satellite antenna circuit by bend pipe enter bridge, bend pipe and
Through wires hole application clay does encapsulation process, connects electric wire, the most first close power supply, it is to avoid get an electric shock during coaxial line in installation process
Dangerous；
2, the supporting rack of satellite antenna is built with satellite controller, modem, the network switch, voice gateways, electricity
Supply socket and radiator, all devices all uses screw, nut, spring washer and plain cushion fastening, the internal netting twine used and electricity
Words line is arranged by rack bottom right side and is fixed with band, and all power lines of internal use are arranged also by rack left bottom
It is fixed with band；After installing, whole rack should be placed on vibration table and carry out vibration test, arranges vibration table frequency
Being 13.2～100Hz, amplitude is ± 1.0mm, to scan less than 1oct/min sweep speed, checks for covibration；As
Without obvious resonance point, then should make 90min vibration endurance test under 30Hz；Rack answers without exception and damaged phenomenon in process of the test,
Should be able to normally work after test；
3, completion system wiring, after energising, satellite antenna starts rotation and carries out searching star, gets final product locking satellite in 1 minute,
The satellite longitude that antenna is followed the tracks of, signal intensity, Beijing time, and aerial signal can be checked now by satellite controller；
Rotation process knob, will appear from the parameters of institute's tracking satellite；Realize switch satellite operation, first select " SWITCH SAT "
Enter satellite interface switching, the satellite that satellite list is lighted in being all " SET SAT " herein, select the satellite that you are to be switched to go out
Existing dialog box selects the switching that " OK " can carry out satellite；
4, the 25 pin male ends of the one end of the cable joined by modem are connected with modem, the other end 9 pin
Or 25 pin plugs are connected with the com port on PC；Opening PC and modem, computer interface can " find new by automatic spring
Hardware device " information, the most only need to select " hardware vendor provides driver ", and driving of modem producer offer is provided
Moving plate is installed；The dial-up program in the hyper terminal in Windows adnexa can be used, input telephone number letter to be dialled
Breath, checking is installed the most correct；
5, the network switch carries out initial configuration, VLAN configuration, Telnet configuration and SNMP to the network switch
The operation of configuration, after setting completed, uses PC to access netting twine, and can input account number be verified and be surfed the Net after password；
7, voice gateways WAN mouth connects network switch LAN mouth, and voice gateways PC mouth connects computer, opens computer and language
Sound gateway power supply, any address computer IP address being revised as on the 192.168.2.XXX network segment, open Windows browser
And offer IP address, voice gateways back is provided, enter main interface and carry out parameter configuration on request；After configuration, restart voice
Gateway power supply, can dial phone number by the commander's machine being connected on voice gateways FXS mouth, can put through explanation voice gateways and set
Put correct；
(2), meet satellite communication abnormal, can be investigated by following steps:
1, inspection satellite controller signal is with or without display, and longitude and latitude is with or without display；
2, antenna power amplifier BUC lamp display situation is checked；BUC lamp does not works: check whether BUC wiring has loosening, upstream feeder
Device is the most faulty；BUC sends out a warning: check aerial voltage whether between 22V～26V, whether wiring is normal to check TX line；
BUC green light: represent BUC normal operation；
3, modem display lamp display situation is checked；RX signal lights is orange: check whether satellite controller switch is beaten
Open, check whether antenna locks, check that RX line connects the most normal；RX signal lights is green: represent properly functioning；TX signal lights orange
Color: check that TX line connects the most normal, checks whether GPS connects normally, if reversal connection occur；Enter DOS interface telnet to look into
See that GPS is the most normal；Antenna TX launches the most normal；Modem RX, TX, NET, STATUS, POWER display lamp is the greenest
Lamp Chang Liang, then it represents that antenna system communication is normal；
4, normal when aerial lock star, but when online is abnormal, use 4 orders to check modem state；First by net
LAN mouth on modem is connected by line with computer, opens isite software, waits a period of time, and software can obtain tune automatically
The IP of modulator-demodulator, gateway 172 network segment of management VLAN1；Then open network to connect, change locally-attached IP, be arranged to
With modem on the same network segment, local IP gives tacit consent to more than the IP address of modem up adds 1, and 6 addresses can
With, gateway is arranged to the IP of modem；When modem is when normally working, can enter by running CMD order
After DOS system, perform to issue orders:
Telnet 172.26.0.21 (IP of modem) logs in:
Username (user name): admin
Password (password): P@55w0rd！(capitalization P, 0 is zero,！For exclamation mark)
Log in and can perform following 4 orders after entering and check aerial information:
Rx power checks current antenna received signal strength
Rx snr checks that current antenna receives snr value and (judges that whether antenna is to satelloid, snr value after lock star by snr value
More than 5.0)
Latlong checks the GPS information that modem gets from antenna, and (modem is only
Openamip could be realized after getting GPS information and automatically cut star function)
Beamselector list checks configuration satellite number in current modem
Beamselector switch satellite number (actively allows modem be switched to oneself want the satellite of alignment)
Perform to need unlatching telnet service function before telnet order: control panel → program → open or close
Windows function → choose telnet server and telnet client；
(3), operation processes:
1, sound modular converter delivers to public broadcasting microphone after on the one hand realizing nursing one's health input speech signal further
It is amplified broadcast, on the other hand, by built-in mew head collection site broadcast singal and is back to by satellite communication link
Command centre is as monitoring；Circuit parameter debugging detailed annotation is as follows:
A, ringing number select: when J1, J2 do not connect, the machine is once connected in ring；J1 meets J2 and does not connect the connection of ring secondary originally
Machine；J1 does not meet J2 and connects three connection the machine of ring；
B, output select: J3 connects after A point then the machine is connected and directly exports to microphone；J3 connects after B point then the machine is connected and needs
Calling party dials " * 8 " again and just exports to microphone, to prevent unrelated phone from dialing out microphone by mistake；
C, busy tone learn: use first and connect the machine, pin C button after amplifying, then allow calling party's on-hook, and loudspeaker is listened
To busy tone, it can be seen that luminous tube D is bright once after about 5-6 sound busy tone, now the machine can identify this busy tone, and unclamping button can be just
Often use；
Volume adjusting is monitored in D, loopback: adjusting size is heard preferably monitoring speaker sound with calling party；
2, public broadcasting microphone equipment is constant-pressure type power amplifying device, and its specific performance index is as follows:
Rated output power is 200W, non-linear distortion≤7% during rated output power, at 100Hz～8KHz not
The uniformity (i.e. frequency characteristic)≤3dB, power amplifier output form is level pressure AC120V；Broadcasting equipment uses double loop power supply supplier of electricity
Formula, it is ensured that equipment runs Bu Yinmou road power failure and affects work, equipment power amplifier have employed temperature protection simultaneously, and short circuit is protected
Protect, the multiple safeguard procedures of overcurrent protection, whole equipment safety in operation and reliability are greatly improved；Whole broadcasting equipment should be put
Put and carry out vibration test on a vibration table；Arranging vibration table frequency is 13.2～100Hz, and amplitude is ± 1.0mm, to be less than
1oct/min sweep speed scans, and checks for covibration；As without obvious resonance point, then should make under 30Hz that 90min is resistance to shake
Test；Rack answers without exception and damaged phenomenon in process of the test, should be able to normally work after test；Connect the circuit of equipment room,
After device power, switching by lower panel power source, panel power source display lamp is bright, picks up the hand microphone of main frame configuration, closes
Closing microphone switch to propaganda directed to communicate it, outdoor horn speaker should send sound of propagandaing directed to communicate and prove that equipment is working properly；
3, monitoring system is connected, in command centre by operation keyboard, should be able to realize unmanned boat area monitoring is drawn
Face is amplified reducing, switch, focus on and requirement that shooting angle adjusts
4, commander's machine of command centre's configuration, when monitoring unmanned boat region and emergency occurring, can be immediately to its district
Urgent broadcast scheduling is done in territory, reaches early warning effect；Especially commander's machine is equipped with a key call function, it is not necessary to be manually entered fixing number
Code, improves on-the-spot early warning promptness and convenience；Concrete operations effect is: pick up commander's cleaner handgrip, presses and propagandas directed to communicate on its panel
Key, transmits a succession of trunk tone in receiver, its display lamp is bright, after some seconds, shows long-range unmanned after hearing twice ring tone
The communication of ship region receives successfully, can talk.Now remotely broadcast system at unmanned boat automatically opens up speaker and carries out voice
Broadcast, can hear, in commander's machine receiver, the field speech signal returned after a while simultaneously；
(4), telecommunication:
Video monitoring: first remotely shooting picture is automatically converted into IP numeral letter by the network-type photographic head in unmanned boat region
Number, then pass through network switch independent process and send to modem, the IP digital signal that modem is loaded onto is adjusted
Make analogue signal and transmit carry out frequency-converter power amplification to satellite antenna after with wireless electromagnetic waveshape launch；Command centre
Specific wireless electromagnetic wave signal is received and modulates signals into into IP digital data transmission extremely by modem by satellite antenna
The network switch, digital signal transmission is stored to DVR, and passes through LCD monitor by the network switch automatically
Can observe monitored picture, operation keyboard realizes being amplified monitored picture reducing, switches, focuses on and shooting angle simultaneously
The function adjusted；
Speech communication: command centre personnel, when monitored picture observes dangerous situation, can use the one touch dial merit of commander's machine
Can, the double-audio signal that commander's machine produces immediately is converted into IP digital signal by voice gateways, more only by the network switch
Vertical process also sends to modem, and the IP digital signal modulated of input is become analogue signal and transmits to defending by modem
Star antenna is launched with wireless electromagnetic waveshape after carrying out frequency-converter power amplification；Remotely the satellite antenna of unmanned boat is by particular radio
Magnetostatic wave signal receives and by modem, analogue signal is demodulated to IP digital data transmission and hands over to the network switch, network
Change planes and automatically digital signal is sent to voice gateways, automatically process and be converted into analogue signal and entered by sound modular converter
Row signal condition, is then transmit to public broadcasting microphone and carries out power amplification, finally promote speaker to send sound, will simultaneously
The sound that speaker sends is acquired by sound modular converter, is back to command centre's conduct through above-mentioned satellite communication link
Monitor and use, it is ensured that speech communication reliability.
Claims (5)
1. a satellite long-distance intelligent broadcast system, it is characterised in that: include visualization broadcast command centre and long-range unmanned boat
System, described visualization broadcast command centre and long-range unmanned boat system are wireless connections by satellite；
Visualization is broadcasted command centre and is included that land adjusts demodulator (1) and Landsat controller (2), and described land adjusts
Demodulator (1) is connected with Landsat antenna (3) respectively with Landsat controller (2), and described land adjusts demodulator
(1) be connected with the land network switch (4), the described land network switch (4) respectively with DVR (5) and land
Voice gateways (6) are connected, and described land voice gateways (6) connect commander's machine (7), and described DVR (5) is respectively
Connect and control keyboard (8), LCD monitor (9)；
Remotely unmanned boat system includes unmanned boat modem (10) and unmanned boat satellite controller (11), described unmanned boat
Modem (10) is connected with unmanned boat satellite antenna (12) respectively with unmanned boat satellite controller (11), and described is unmanned
Ship modem (10) is connected with the unmanned boat network switch (13), the described unmanned boat network switch (4) respectively with
Unmanned boat network-type video camera (14) is connected with unmanned boat voice gateways (15), and described unmanned boat voice gateways (15) connect
Playing device (16)；
Described Landsat antenna (3) is connected by satellite with unmanned boat satellite antenna (12).
A kind of satellite long-distance intelligent broadcast system the most according to claim 1, it is characterised in that: described Landsat control
Device processed (2) and unmanned boat satellite controller (11) are respectively equipped with satellite transit position, satellite antenna signals intensity, the ginseng of time
Digital display shows and controls.
A kind of satellite long-distance intelligent broadcast system the most according to claim 1, it is characterised in that: the unmanned boat network switch
(13) equipment and between unmanned boat voice gateways (15), between the land network switch (4) and land voice gateways (6) realized end
End IP device carries out automatic addressing communication and management with analog communication equipment, increases linking Internet function, assists satellite communication
Realizing dual redundant mechanism, both do not interfere with each other, and improve the reliability of total system communication.
A kind of satellite long-distance intelligent broadcast system the most according to claim 1, it is characterised in that: described playing device
(16) being provided with sound modular converter in, sound modular converter includes that voice signal conditioning is matched to public broadcasting loudspeaker signal
Input port, collection site voice signal carries out processing passback；
Being provided with public broadcasting microphone in described playing device (16), public broadcasting microphone includes constant-pressure type public broadcasting
Microphone and horn speaker, complete the propagation of acoustical signal.
5., according to an operational approach for the satellite long-distance intelligent broadcast system described in claim 1 or 2 or 3 or 4, its feature exists
In sequentially including the following steps:
(1), installation and debugging:
1, determine that range of receiving launched by satellite antenna according to actually used demand, land field strength pattern as sky according to selected satellite
The foundation of line selection type；
Land adjusts demodulator and unmanned boat modem is all referred to as adjusting demodulator；
Landsat controller and unmanned boat satellite controller are all referred to as satellite controller；
Landsat antenna and unmanned boat satellite antenna are all referred to as satellite antenna；
The land network switch and the unmanned boat network switch are all referred to as the network switch；
Unmanned boat, it is local that satellite antenna installation site should be selected in shelter, it is desirable to is contained on compass deck, in installation process
In, first removing inner antenna and insert the both sides of foam plastics fixed pedestal, re-use supporting screw, plain cushion, spring washer fixes sky
Line base, to be installed complete after must reconfigure antenna house；Satellite antenna circuit enters bridge, bend pipe and threading by bend pipe
Hole application clay does encapsulation process, connects electric wire, the most first closes power supply during coaxial line, it is to avoid danger of getting an electric shock occurs in installation process
Danger；
2, the supporting rack of satellite antenna is inserted built with satellite controller, modem, the network switch, voice gateways, power supply
Seat and radiator, all devices all uses screw, nut, spring washer and plain cushion fastening, the internal netting twine used and telephone wire
Arranging by rack bottom right side and be fixed with band, all power lines of internal use are arranged by rack left bottom and use bundle
Band is fixed；After installing, whole rack should be placed on vibration table and carry out vibration test, arranges vibration table frequency and is
13.2～100Hz, amplitude is ± 1.0mm, to scan less than 1oct/min sweep speed, checks for covibration；Such as nothing
Substantially resonance point, then should make 90min vibration endurance test under 30Hz；Rack answers without exception and damaged phenomenon, examination in process of the test
Should be able to normally work after testing；
3, completion system wiring, after energising, satellite antenna starts rotation and carries out searching star, gets final product locking satellite, now in 1 minute
The satellite longitude that antenna is followed the tracks of, signal intensity, Beijing time, and aerial signal can be checked by satellite controller；Rotate
Operation knob, will appear from the parameters of institute's tracking satellite；Realize switch satellite operation, first select " SWITCH SAT " to enter
Satellite interface switching, the satellite that satellite list is lighted in being all " SET SAT " herein, select your satellite to be switched will appear from right
Words frame selects " OK " can carry out the switching of satellite；
4, the 25 pin male ends of the one end of the cable joined by modem are connected with modem, the other end 9 pin or
25 pin plugs are connected with the com port on PC；Opening PC and modem, computer interface " can find new hardware by automatic spring
Equipment " information, the most only need to select " hardware vendor provides driver ", and insert the driving dish that modem producer provides
Install；The dial-up program in the hyper terminal in Windows adnexa can be used, input telephone number information to be dialled,
Checking is installed the most correct；
5, the network switch carries out initial configuration, VLAN configuration, Telnet configuration and SNMP configuration to the network switch
Operation, after setting completed, use PC access netting twine, input account number verify and can surf the Net after password；
6, voice gateways WAN mouth connects network switch LAN mouth, and voice gateways PC mouth connects computer, opens computer and voice network
Close power supply, any address being revised as by computer IP address on the 192.168.2.XXX network segment, open Windows browser defeated
Enter voice gateways back and IP address is provided, enter main interface and carry out parameter configuration on request；After configuration, restart voice gateways
Power supply, can dial phone number by the commander's machine being connected on voice gateways FXS mouth, can put through explanation voice gateways and just arrange
Really；
(2), meet satellite communication abnormal, can be investigated by following steps:
1, inspection satellite controller signal is with or without display, and longitude and latitude is with or without display；
2, antenna power amplifier BUC lamp display situation is checked；BUC lamp does not works: check whether BUC wiring has loosening, and upstream feeder device is
No faulty；BUC sends out a warning: check aerial voltage whether between 22V～26V, whether wiring is normal to check TX line；BUC is green
Lamp: represent BUC normal operation；
3, modem display lamp display situation is checked；RX signal lights is orange: check whether satellite controller switch is opened, and looks into
See whether antenna locks, check that RX line connects the most normal；RX signal lights is green: represent properly functioning；TX signal lights is orange: inspection
Look into TX line and connect the most normal, check whether GPS connects normally, if reversal connection occurs；Enter DOS interface telnet and check GPS
The most normal；Antenna TX launches the most normal；Modem RX, the whole green light of TX, NET, STATUS, POWER display lamp is normal
Bright, then it represents that antenna system communication is normal；
4, normal when aerial lock star, but when online is abnormal, use 4 orders to check modem state；Will first by netting twine
LAN mouth on modem is connected with computer, opens isite software, waits a period of time, and software can obtain modulatedemodulate automatically
Adjust the IP of device, gateway 172 network segment of management VLAN1；Then open network to connect, change locally-attached IP, be arranged to and adjust
Modulator-demodulator is on the same network segment, and local IP gives tacit consent to more than the IP address of modem up adds 1, and 6 addresses can be used, net
Close the IP being arranged to modem；When modem is when normally working, DOS system can be entered by running CMD order
After system, perform to issue orders:
Telnet 172.26.0.21 (IP of modem) logs in:
Username (user name): admin
Password (password): P@55w0rd！(capitalization P, 0 is zero,！For exclamation mark)
Log in and can perform following 4 orders after entering and check aerial information:
Rx power checks current antenna received signal strength
Rx snr check current antenna receive snr value (by snr value judge antenna whether to satelloid, after locking star, snr value exists
More than 5.0)
Latlong checks that (modem is only getting GPS information to the GPS information that modem gets from antenna
After could realize Openamip and automatically cut star function)
Beamselector list checks configuration satellite number in current modem
Beamselector switch satellite number (actively allows modem be switched to oneself want the satellite of alignment)
Perform to need unlatching telnet service function before telnet order: control panel → program → open or close windows merit
Can → choose telnet server and telnet client；
(3), operation processes:
On the one hand 1, sound modular converter is delivered to public broadcasting microphone after realizing nursing one's health input speech signal further and is carried out
Amplify broadcast, on the other hand, be back to commander by built-in mew head collection site broadcast singal and by satellite communication link
Center is as monitoring；Circuit parameter debugging detailed annotation is as follows:
A, ringing number select: when J1, J2 do not connect, the machine is once connected in ring；J1 meets J2 and does not connect ring secondary and connect the machine；
J1 does not meet J2 and connects three connection the machine of ring；
B, output select: J3 connects after A point then the machine is connected and directly exports to microphone；J3 connects after B point then the machine is connected and needs caller
Side dials " * 8 " again and just exports to microphone, to prevent unrelated phone from dialing out microphone by mistake；
C, busy tone learn: use first and connect the machine, pin C button after amplifying, then allow calling party's on-hook, and loudspeaker is heard busy
Sound, it can be seen that luminous tube D is bright once after about 5-6 sound busy tone, now the machine can identify this busy tone, and unclamping button can normally make
With；
Volume adjusting is monitored in D, loopback: adjusting size is heard preferably monitoring speaker sound with calling party；
2, public broadcasting microphone equipment is constant-pressure type power amplifying device, and its specific performance index is as follows:
Rated output power is 200W, non-linear distortion≤7% during rated output power, uneven at 100Hz～8KHz
Degree (i.e. frequency characteristic)≤3dB, power amplifier output form is level pressure AC120V；Broadcasting equipment uses double loop power supply power supply mode, protects
Card equipment runs Bu Yinmou road power failure and affects work, and equipment power amplifier have employed temperature protection, short-circuit protection simultaneously, crosses stream
The multiple safeguard procedures of protection, are greatly improved whole equipment safety in operation and reliability；Whole broadcasting equipment should be placed on and shake
Vibration test is carried out on dynamic platform；Arranging vibration table frequency is 13.2～100Hz, and amplitude is ± 1.0mm, with less than 1oct/min
Sweep speed scans, and checks for covibration；As without obvious resonance point, then should make 90min vibration endurance test under 30Hz；Rack
In process of the test, answer without exception and damaged phenomenon, should be able to normally work after test；Connect the circuit of equipment room, to device power
After, switching by lower panel power source, panel power source display lamp is bright, picks up the hand microphone of main frame configuration, closes microphone switch
Propagandaing directed to communicate it, outdoor horn speaker should send sound of propagandaing directed to communicate and prove that equipment is working properly；
3, monitoring system is connected, in command centre by operation keyboard, should be able to realize unmanned boat area monitoring picture is entered
Row zoom, switch, focus on and shooting angle adjust requirement
4, commander's machine of command centre's configuration, when monitoring unmanned boat region and emergency occurring, can do its region immediately
Urgent broadcast is dispatched, and reaches early warning effect；Especially commander's machine is equipped with a key call function, it is not necessary to be manually entered fixed number,
Improve on-the-spot early warning promptness and convenience；Concrete operations effect is: pick up commander's cleaner handgrip, presses key of propagandaing directed to communicate on its panel,
Transmitting a succession of trunk tone in receiver, its display lamp is bright, after some seconds, shows long-range unmanned boat district after hearing twice ring tone
Territory communication receives successfully, can talk.Now remotely broadcast system at unmanned boat automatically opens up speaker and carries out voice broadcast service,
Can hear, in commander's machine receiver, the field speech signal returned after a while simultaneously；
(4), telecommunication:
Video monitoring: first remotely shooting picture is automatically converted into IP digital signal by the network-type photographic head in unmanned boat region,
Passing through network switch independent process again and send to modem, the IP digital signal modulated that modem is loaded onto becomes
Analogue signal and transmit carry out frequency-converter power amplification to satellite antenna after with wireless electromagnetic waveshape launch；The satellite of command centre
Specific wireless electromagnetic wave signal is received and is modulated signals into into by modem IP digital data transmission to network by antenna
Switch, digital signal transmission is stored by the network switch automatically to DVR, and can by LCD monitor
Observing monitored picture, operation keyboard realizes being amplified monitored picture reducing, switches, focuses on and shooting angle adjustment simultaneously
Function；
Speech communication: command centre personnel, when monitored picture observes dangerous situation, can use the one touch dial function of commander's machine, refer to
The double-audio signal that machine of waving produces immediately is converted into IP digital signal by voice gateways, then by network switch independent process
And send to modem, the IP digital signal modulated of input is become analogue signal and transmits to satellite antenna by modem
Launch with wireless electromagnetic waveshape after carrying out frequency-converter power amplification；Remotely specific wireless electromagnetic wave is believed by the satellite antenna of unmanned boat
Number receive and analogue signal be demodulated to IP digital data transmission to the network switch by modem, the network switch oneself
Dynamic by after digital signal transmission to voice gateways, automatically process and be converted into analogue signal and carry out signal by sound modular converter
Conditioning, is then transmit to public broadcasting microphone and carries out power amplification, finally promote speaker to send sound, simultaneously by speaker
The sound sent is acquired by sound modular converter, is back to command centre through above-mentioned satellite communication link and makes as monitoring
With, it is ensured that speech communication reliability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610723410.8A CN106170078A (en) | 2016-08-24 | 2016-08-24 | A kind of satellite long-distance intelligent broadcast system and operational approach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610723410.8A CN106170078A (en) | 2016-08-24 | 2016-08-24 | A kind of satellite long-distance intelligent broadcast system and operational approach |
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|---|---|---|---|
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107682071A (en) * | 2017-09-25 | 2018-02-09 | 上海卫星工程研究所 | The Generic Satellite TT ＆ C link conditioning device of multichannel |
| CN108810020A (en) * | 2017-12-08 | 2018-11-13 | 中国科学院信息工程研究所 | A kind of space internet management-control method and system |
| CN112566091A (en) * | 2020-11-16 | 2021-03-26 | 国家卫星气象中心(国家空间天气监测预警中心) | System for rapidly transmitting meteorological disaster early warning information |
| CN114928423A (en) * | 2022-07-20 | 2022-08-19 | 深圳市徐港电子有限公司 | Switching control method and system for multi-channel broadcast tuner and terminal equipment |
| CN115359644A (en) * | 2022-08-16 | 2022-11-18 | 郑州华泰联合工业自动化有限公司 | Remote control system based on DCS operation station |
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| CN114928423A (en) * | 2022-07-20 | 2022-08-19 | 深圳市徐港电子有限公司 | Switching control method and system for multi-channel broadcast tuner and terminal equipment |
| CN115359644A (en) * | 2022-08-16 | 2022-11-18 | 郑州华泰联合工业自动化有限公司 | Remote control system based on DCS operation station |
| CN115359644B (en) * | 2022-08-16 | 2023-09-29 | 郑州华泰联合工业自动化有限公司 | Remote control system based on DCS operation station |
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Application publication date: 20161130 |