CN108181821A - Long-range off host optical fibre control system - Google Patents
Long-range off host optical fibre control system Download PDFInfo
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- CN108181821A CN108181821A CN201711468352.XA CN201711468352A CN108181821A CN 108181821 A CN108181821 A CN 108181821A CN 201711468352 A CN201711468352 A CN 201711468352A CN 108181821 A CN108181821 A CN 108181821A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/04—Mode multiplex systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Abstract
Long-range off host optical fibre control system, belong to remote control technology field, in order to solve the prior art by remote information transmission and carry out remote equipment the control terminal of monitoring and mass data in real time using computer/server to handle, the problem of less efficient, the system establishes complete long-range off host optical fibre control system, it is mainly made of host side and remote control terminal two parts, host signal is subjected to long distance transmission to remote control terminal using optical cable, and support the function of dual display, the split screen display available and usb data of realization host and multimedia remote transmission；Digital camera, USB2.0 equipment can have not only been connect in remote control terminal, but also can realize data storage and the far distance controlled of keyboard and mouse signal, very big flexibility is brought to field application；The remote server control field that it is applied to super-clean environment, extreme environment equipment works.
Description
Technical field
The present invention relates to a kind of long-range off host optical fibre control systems, belong to remote control technology field, can be applied to surpass
Net environment, the remote server control field of extreme environment equipment work.
Background technology
To remote super-clean environment, it is unsuitable for the equipment to work in the extreme environment of personnel on site's work, generally requires profit
Course of work control, data processing, hardware and software failure detection and programmed calibration reparation are carried out with equipment such as computer/servers
Deng this just needs remote control and operation.At present, in remote control scheme, mostly using computer/server to distally setting
It is standby to be monitored in real time, and the mass data that equipment work generates needs to reprocess by remote transmission to control terminal, to transmission
Line requirements are high, and less efficient.In-situ processing is carried out to mass data using equipment such as computer/servers, by long-range
The peripheral apparatus of control terminal carries out operation and control to the computer/server of host side, is connected by long distance signal transmission
Remote control terminal and host side are a kind of novel technical solutions.
In the tele-control system of this off host, the transmission of signal is critical problem, and the transmission quality of signal is direct
The control effect of remote control terminal and the remote control performance of host side are influenced, and the confidentiality of transmission line usually has higher want
It asks.There are the shortcomings of transmission range is short, input cost is high, transmission band is narrow, interference free performance is small, confidentiality is poor for cable.It is and right
Cable transmission may be used in control signal, the Video transmission system of relatively short distance, and long distance transmission must increase in multistage
It is compensated after amplifier, and to the amplitude-frequency and phase-frequency characteristic of signal, when having sound and alarm signal in the signal of transmission, then
Multicore cable is had to, for transmitting at a distance, line facility will be very complicated, and construction maintenance is difficult, and transmission quality is also poor.Mesh
Before, the transmission loss of optical fiber almost falls below theoretical limit, and signal passes through up to a hundred kilometers of transmission, and loss also only has tens of points
Shellfish.This low loss characteristic of optical fiber considerably increases repeater span, enables long range, the high speed data transfer reality of wide bandwidth
It is existing.Fiber optic communication antijamming capability is also very strong, and what is transmitted in optical fiber is light wave, and the frequency of extraneous strong electromagnetic is lower than light wave
It is more, it is impossible to it to be interfered, and when light wave transmits in a fiber is difficult to be leaked from optical fiber, good confidentiality.Separately
Outside, since silica fibre is that dielectric, thunder and lightning, industrial spark, electric arc, nuclear radiation etc. will not all be done its generation inductive electromagnetic
It disturbs.Therefore, in these special occasions (explosion, toxic, intense radiation, danger), optical fiber can be utilized to substitute twisted-pair feeder, coaxial cable
Wait transmission mediums, the harmful effect that these factors is avoided to bring entire Transmission system.
The perfect adaptation of remote control transmission system and optical fiber, particularly video, the combination of audio, data and optical fiber technology
Strong point is played in remote control system so that following long-range monitoring, remote management, remote teaching etc. have finer
Prospect.As it can be seen that remote control whether has good development trend in Universal Communication System or in specialized communication system.
When being worked using the equipment in computer/server control super-clean environment, extreme environment, computer/server of host side etc.
Host, which is placed in super-clean environment, extreme environment, carries out equipment control and data processing in real time, and operating personnel are in non-ultra-clean ring
In border and extreme environment using remote control terminal access various peripheral apparatus to the host in super-clean environment, extreme environment into
Row remote operation.The system has wide application value in fields such as scientific research, military affairs, can also be used as institution of higher learning and carries out light
The experimental facilities of fiber communication technique teaching.
Invention content
The mass data that the present invention generates in order to which the prior art is solved to work there are equipment is needed through remote transmission to control
End processed reprocessing, transmission line is required it is high, and it is less efficient the problem of, propose a kind of long-range off host optical fibre control system.
Using the remote transmission technology of optical fiber, can crossing high-pressure, shielding, the environment such as inflammable and explosive, by the operation to distance host come
The equipment work in super-clean environment and extreme environment is controlled, can be used for colleges and universities' fiber optic communication experimental teaching demonstration and research.
Long-range off host optical fibre control system, it is characterized in that, include host side and remote control terminal, host side with far
Process control terminal is connected by single mode fiber cable；
Host side, keyboard, mouse, digital video and the USB interface of host and four road input interfaces of protocol analysis unit
It connects respectively, the four tunnels output of protocol analysis unit is connect respectively with four road input interfaces of signal processing unit, signal processing
The four tunnels output of unit is connect respectively with four road input interfaces of laser code unit, the four tunnels output of laser code unit and work(
Four road input interfaces of rate control unit connect respectively, and the four tunnels output of power control unit is defeated with four tunnels of Laser Modulation unit
Incoming interface connects；
The four tunnels output of Laser Modulation unit is connect with four road optic fibre input end mouths of dense wave division multiplexer, and signal is answered
In a single mode optical fiber；
The output optical fibre port of dense wave division multiplexer is connect with single mode fiber cable, and signal is transferred to remotely by single mode fiber cable
Control terminal；
Remote control terminal, single mode fiber cable are connect with solving the input optical fibre port of dense wave division multiplexer, solve dense wavelength division
Four road output optical fibre ports of multiplexer are connect respectively with four road input ports of photoelectric conversion unit respectively, photoelectric conversion unit
The output of four tunnels connect respectively with four road input interfaces of protocol analysis unit, the output of four tunnels of protocol analysis unit is with receiving letter
Four road input interfaces of number processing unit connect respectively, and the four tunnels output of receipt signal processing unit is with receiving signal Alarm Unit
Four road input interfaces connect respectively, the four tunnels output for receiving signal Alarm Unit is inputted with four tunnels of reception gain control unit
Interface connects respectively, the output of four tunnels of reception gain control unit respectively with terminal control keyboard, terminal control mouse, meter
Calculation machine display terminal, Backup Data USB storage are connected with other USB devices, printer.
Keyboard, mouse, digital video and the USB input/output signals of host, which are respectively enterd in protocol analysis unit, to carry out
Protocol analysis, keyboard, mouse, digital video and usb signal after protocol analysis respectively enter signal processing unit and carry out signal
Processing and carrier modulation, tetra- road signals of carrier modulation Hou access laser code unit and carry out laser pulse coding again, through too drastic
Pumped FIR laser unit carries out laser pulse coding tetra- road signals of Hou and enters optical power control unit, through optical power control unit to light
Power carries out equilibrium, and the laser pulse encoded signal of four road power equalizations enters Laser Modulation unit, and four beam laser pass through laser
Modulation unit is modulated respectively by four road laser pulse encoded signals, and the four tunnels modulation laser signal modulated passes through intensive wave
Division multiplexer is multiplexed in a single mode optical fiber；
Multiplexing optical signal is transmitted to remote control terminal by single mode fiber cable；
Multiplexed signals in single mode fiber cable is demultiplexed by solving dense wave division multiplexer, the modulation laser letter of four roads demultiplexing
It number respectively enters photoelectric conversion unit and carries out opto-electronic conversion, tetra- road pulse code signals of opto-electronic conversion Hou respectively enter agreement point
Analyse unit carry out protocol analysis, through parsing tetra- road signals of Hou enter receipt signal processing unit be demodulated at signal
Reason, reverts to keyboard, mouse, digital video and usb signal, and four tunnels receive signal and respectively enter reception signal Alarm Unit and connect
After receipts gain control unit carries out regulation and control processing, then control terminal control keyboard, terminal control mouse, computer are shown respectively
Show terminal, Backup Data USB storage and other USB devices and printer.
The beneficial effects of the invention are as follows：Using digital signal protocol parsing and laser digital coding techniques realization host and outside
If the laser code modulation /demodulation that equipment is control and data signal, and carry out host using wavelength-division multiplex optical fiber Long-distance Transmission Technologies
The transmission of the information of end and remote control terminal is, it can be achieved that long-range off host controls in real time.
The system is full fiber type remote control, in the case of the off host of distal end, can long-range real-time display VGA images,
Remote control uses keyboard, mouse, the backup of long-range USB flash disk etc..
The structure of communication system of the present invention is simple, anti-interference, signal quality is stable, data-handling efficiency is high, can be achieved to divide
Cloth multiple air combat, the remote server control field that it is applied to super-clean environment, extreme environment equipment works are remote using optical fiber
Distance Transmission can crossing high-pressure, shielding, the environment such as inflammable and explosive, super-clean environment and pole are controlled by the operation to distance host
Equipment work in end ring border can be used for colleges and universities' fiber optic communication experimental teaching demonstration and research.
Description of the drawings
Fig. 1 is the host side structure diagram of the long-range off host optical fibre control system of the present invention.
Fig. 2 is the remote control terminal structure diagram of the long-range off host optical fibre control system of the present invention.
Specific embodiment
Invention is described in further details below in conjunction with the accompanying drawings.
Long-range off host optical fibre control system includes host side and remote control terminal.
As shown in Figure 1, the host side of long-range off host optical fibre control system, it is mainly by host 10, protocol analysis unit
11st, signal processing unit 12, laser code unit 13, power control unit 14, Laser Modulation unit 15, dense wave division multiplexer
16 compositions.
Host 10 is host computer/server.Laser Modulation unit 15 is the multiple lasers of concurrent working.
The multiplexing optical signal of dense wave division multiplexer 16 is transmitted by single mode fiber cable 17.
The host side of long-range off host optical fibre control system, keyboard, mouse, digital video and the USB interface of host 10 with
Four road input interfaces of protocol analysis unit 11 connect respectively, the output of four tunnels and the signal processing unit 12 of protocol analysis unit 11
Four road input interfaces connect respectively, the output of four tunnels of signal processing unit 12 and four road input interfaces of laser code unit 13
It connects respectively, the four tunnels output of laser code unit 13 is connect respectively with four road input interfaces of power control unit 14, power
The four tunnels output of control unit 14 is connect with four road input interfaces of Laser Modulation unit 15, connects connected using cable above
It connects.Four road output ports of Laser Modulation unit 15 are connect with four road optic fibre input end mouths of dense wave division multiplexer 16, will be believed
Number multiplexing in a single mode optical fiber, connect above using optical fiber connect.
The output optical fibre port of dense wave division multiplexer 16 is connect with single mode fiber cable 17, and signal is transmitted by single mode fiber cable 17
To remote control terminal.
As shown in Fig. 2, the remote control terminal of long-range off host optical fibre control system, including solving dense wave division multiplexer
18th, photoelectric conversion unit 19, protocol analysis unit 20, receipt signal processing unit 21, reception signal Alarm Unit 22, reception increase
Beneficial control unit 23 and terminal control keyboard 24, terminal control mouse 25, computer display terminal 26, Backup Data are used
USB storage 27, other USB devices 28, printer 29.
The remote control terminal of long-range off host optical fibre control system, single mode fiber cable 17 and solution dense wave division multiplexer 18
Input port connects, and the four road output optical fibre ports for solving dense wave division multiplexer 18 are defeated with four tunnels of photoelectric conversion unit 19 respectively
Enter fiber port to connect respectively, connect connected using optical fiber above.The four tunnels output of photoelectric conversion unit 19 and protocal analysis
Four road input interfaces of unit 20 connect respectively, the four tunnels output and the four of receipt signal processing unit 21 of protocol analysis unit 20
Road input interface connects respectively, and the four tunnels output of receipt signal processing unit 21 is inputted with receiving four tunnels of signal Alarm Unit 22
Interface connects respectively, receives the four tunnels output of signal Alarm Unit 22 and the four road input interfaces point of reception gain control unit 23
Do not connect, the output of four tunnels of reception gain control unit 23 respectively with terminal control keyboard 24, terminal control mouse 25, meter
Calculation machine display terminal 26, Backup Data USB storage 27 and other USB devices 28, printer 29 connect, and connect adopt above
Use cable connection.
The long-range off host optical fibre control system course of work of the invention：
Keyboard, mouse, digital video and the USB input/output signals of host 10 are respectively enterd in protocol analysis unit 11
Carry out protocol analysis, keyboard, mouse, digital video and the usb signal after protocol analysis respectively enter signal processing unit 12 into
Row signal processing and carrier modulation, tetra- road signals of carrier modulation Hou access laser code unit 13 and carry out laser pulse volume again
Code carries out laser pulse coding tetra- road signals of Hou by laser code unit 13 and enters optical power control unit 14, through light work(
Rate control unit 14 carries out power balanced, and the optical pulse code signals of four road power equalizations enters Laser Modulation unit 15, and four
Beam laser signal is modulated by Laser Modulation unit 15 by four road laser pulse encoded signals respectively, and four roads modulated are swashed
Optical signal is multiplexed by dense wave division multiplexer 16 in a single mode optical fiber.
Multiplexing optical signal is transmitted to remote control terminal by single mode fiber cable 17.
Multiplexed signals in single mode fiber cable 17 is demultiplexed by solving dense wave division multiplexer 18, the laser letter of four roads demultiplexing
It number respectively enters photoelectric conversion unit 19 and carries out opto-electronic conversion, tetra- road electric signals of opto-electronic conversion Hou respectively enter protocal analysis list
Member 20 carry out protocol analysis, through parsing tetra- road signals of Hou enter receipt signal processing unit 21 be demodulated at signal
Reason reverts to keyboard, mouse, digital video and usb signal, and four road signals, which respectively enter, to be received signal Alarm Unit 22 and receive
After gain control unit 23 carries out regulation and control processing, then control terminal control keyboard 24, terminal control mouse 25, calculating respectively
Machine display terminal 26, Backup Data USB storage 27 and other USB devices 28, printer 29.
Host side is compiled by the protocol analysis of the drive signal to various peripheral hardware control devices, data processing and laser pulse
Code modulation realizes the light carrier remote transmission of signal, and realizes the remote control function to host side in remote control terminal.
The characteristics of whole system of the present invention has has：
The system digits video uses DVI signal transmissions.
Cable connection is all using aviation plug, and optical cable is using G.652 Single mode communication optical fiber.
The channel spacing of four road dense wave division multiplexers 16 reconciliation dense wave division multiplexer 18 is 100GHz's.
Transmitting optical signal in Laser Modulation unit 15 is using the semiconductor laser diode directly modulated, wave band
1550nm；When transmission range is shorter than 2km, the semiconductor light-emitting-diode directly modulated can be replaced into.
Host side and remote control terminal can realize that one receipts of multicast and a hair etc. are a variety of flexibly using topological structure
Configuration.
Long-range control host machine and data backup in the case of off host can carry out remote USB data storage.System is stablized
Reliably, insecure component such as Ethernet, no hard disk is not needed to.Wavelength-division multiplex optical cable transmits, and transmission quality is high, good confidentiality.
It can realize the backup and management of more high-speed servers.
Claims (4)
1. long-range off host optical fibre control system, it is characterized in that, including host side and remote control terminal, host side with it is long-range
Control terminal is connected by single mode fiber cable；
Host side, keyboard, mouse, digital video and the USB interface of host (10) are inputted with four tunnels of protocol analysis unit (11)
Interface connects respectively, and the four tunnels output of protocol analysis unit (11) and four road input interfaces of signal processing unit (12) connect respectively
It connects, the four tunnels output of signal processing unit (12) is connect respectively with four road input interfaces of laser code unit (13), and laser is compiled
The four tunnels output of code unit (13) is connect respectively with four road input interfaces of power control unit (14), power control unit (14)
Four tunnels output connect with four road input interfaces of Laser Modulation unit (15)；
The four tunnels output of Laser Modulation unit (15) is connect with four road optic fibre input end mouths of dense wave division multiplexer (16), will be believed
Number multiplexing in a single mode optical fiber；
The output optical fibre port of dense wave division multiplexer (16) is connect with single mode fiber cable (17), and signal is passed by single mode fiber cable (17)
It is defeated to arrive remote control terminal；
Remote control terminal, single mode fiber cable (17) are connect with the input optical fibre port of solution dense wave division multiplexer (18), and solution is intensive
Four road output optical fibre ports of wavelength division multiplexer (18) are connect respectively with four road input ports of photoelectric conversion unit (19) respectively,
The four tunnels output of photoelectric conversion unit (19) is connect respectively with four road input interfaces of protocol analysis unit (20), protocal analysis list
The four tunnels output of first (20) is connect respectively with four road input interfaces of receipt signal processing unit (21), receipt signal processing unit
(21) four tunnels output is connect respectively with receiving four road input interfaces of signal Alarm Unit (22), receives signal Alarm Unit
(22) four tunnels output is connect respectively with four road input interfaces of reception gain control unit (23), reception gain control unit
(23) four tunnels output respectively with terminal control keyboard (24), terminal control mouse (25), computer display terminal (26),
Backup Data USB storage (27) and other USB devices (28), printer (29) connection.
2. long-range off host optical fibre control system according to claim 1, which is characterized in that the keyboard of host (10), mouse
Mark, digital video and USB input/output signals, which respectively enter, carries out protocol analysis, protocol analysis in protocol analysis unit (11)
Keyboard, mouse, digital video and usb signal afterwards respectively enters signal processing unit (12) and carries out signal processing and carrier wave tune
System, tetra- road signals of carrier modulation Hou access laser code unit (13) and carry out laser pulse coding again, by laser code list
First (13) carry out laser pulse coding tetra- tunnel coded light signals of Hou and enter optical power control unit (14), through optical power control list
First (14) carry out luminous power balanced, and the laser pulse encoded signals of four road power equalizations enters Laser Modulation unit (15), and four
Beam laser signal is modulated by Laser Modulation unit (15) by four road laser pulse encoded signals respectively, four tunnels modulated
Laser signal is modulated to be multiplexed in a single mode optical fiber by dense wave division multiplexer (16)；
Multiplexing optical signal is transmitted to remote control terminal by single mode fiber cable (17)；
Multiplexed signals in single mode fiber cable (17) is demultiplexed by solving dense wave division multiplexer (18), and the modulation of four roads demultiplexing swashs
Optical signal respectively enters photoelectric conversion unit (19) and carries out opto-electronic conversion, and tetra- road pulse code signals of opto-electronic conversion Hou enter association
It discusses analytic unit (20) and carries out protocol analysis, entering receipt signal processing unit (21) by parsing tetra- road signals of Hou is solved
Reconciliation signal processing, reverts to keyboard, mouse, digital video and usb signal, and four tunnels receive signal and respectively enter reception signal announcement
After alert unit (22) and reception gain control unit (23) carry out regulation and control processing, then respectively control terminal control keyboard (24),
Terminal control mouse (25), computer display terminal (26), Backup Data USB storage (27) and other USB devices
(28), printer (29).
3. long-range off host optical fibre control system according to claim 1 or 2, which is characterized in that four road dense wavelength divisions are answered
It is 100GHz's with the channel spacing of device (16) reconciliation dense wave division multiplexer (18).
4. long-range off host optical fibre control system according to claim 1 or 2, which is characterized in that host side and long-range control
Terminal processed uses topological structure, can realize the configuration of multiple-input multiple-output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711468352.XA CN108181821A (en) | 2017-12-29 | 2017-12-29 | Long-range off host optical fibre control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711468352.XA CN108181821A (en) | 2017-12-29 | 2017-12-29 | Long-range off host optical fibre control system |
Publications (1)
| Publication Number | Publication Date |
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| CN108181821A true CN108181821A (en) | 2018-06-19 |
Family
ID=62548652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711468352.XA Pending CN108181821A (en) | 2017-12-29 | 2017-12-29 | Long-range off host optical fibre control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109120908A (en) * | 2018-09-19 | 2019-01-01 | 吉林蓝锐电子科技有限公司 | Long-range free space optical transmission method and system for forest fire protection monitoring |
| CN114221695A (en) * | 2021-12-14 | 2022-03-22 | 东北电力大学 | Electric power spanning optical cable line full-coverage detection system and method |
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Cited By (3)
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| CN109120908A (en) * | 2018-09-19 | 2019-01-01 | 吉林蓝锐电子科技有限公司 | Long-range free space optical transmission method and system for forest fire protection monitoring |
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| CN114221695A (en) * | 2021-12-14 | 2022-03-22 | 东北电力大学 | Electric power spanning optical cable line full-coverage detection system and method |
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