CN108599853A - A kind of adaptive optic fiber distribution Transmission system - Google Patents
A kind of adaptive optic fiber distribution Transmission system Download PDFInfo
- Publication number
- CN108599853A CN108599853A CN201810641579.8A CN201810641579A CN108599853A CN 108599853 A CN108599853 A CN 108599853A CN 201810641579 A CN201810641579 A CN 201810641579A CN 108599853 A CN108599853 A CN 108599853A
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- Prior art keywords
- optical
- optical fiber
- signal
- transmission assembly
- module
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Classifications
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
- G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence
- G08B13/124—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence with the breaking or disturbance being optically detected, e.g. optical fibers in the perimeter fence
-
- 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
- H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
- H04B10/806—Arrangements for feeding power
-
- 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
- H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
- H04B10/806—Arrangements for feeding power
- H04B10/808—Electrical power feeding of an optical transmission system
Abstract
A kind of adaptive optic fiber distribution Transmission system, is related to technical field of optical fiber.Can solve conventionally employed point type electronic sensor can not networking and, the technical issues of cannot achieve effective monitoring.Including computer, indoor optical-fibre transmission assembly, optical fiber splitter, outdoor optical fiber transmission assembly and the communicating terminal communicated to connect successively, the indoor optical-fibre transmission assembly and outdoor optical fiber transmission assembly are communicated to connect by optical fiber and optical fiber splitter respectively, the communicating terminal is sensor, the present invention is intelligent security protection, real-time intrusion alarm can be achieved, solve the disadvantage that traditional security device is unable to Realtime Alerts.
Description
Technical field
The present invention relates to technical field of optical fiber, and in particular to a kind of adaptive optic fiber distribution Transmission system.
Background technology
At present in boundary line anti-intrusion, majority uses the electronic sensor of point type by solar powered, wireless data
Transmission realizes that the acquisition to border vibration signal is distributed, and Central Control Room carries out decision by the signal of Wireless transceiver, and people is sent in decision
Member's prospecting scene etc., there are various problems for this mode:
1, it powers limited, in rainy days, sufficient electric energy does not ensure that system cannot work；
2, mostly dotted, can not networking, be only capable of single electronic type, and certain distance construction nearby is also needed to have relay reception
Retransmission unit will be unable to very remote boundary line to realize effective monitoring；
3, electric signal poor anti jamming capability, transmission delay and the bit error rate are larger, especially in the case of bad weather, even
It possibly can not communicate, it is out of hand.
Invention content
A kind of adaptive optic fiber proposed by the present invention distributes Transmission system, can solve the electronic sensor of conventionally employed point type
Can not networking and, the technical issues of cannot achieve effective monitoring.
To achieve the above object, present invention employs following technical schemes：
A kind of adaptive optic fiber distributes Transmission system, including communicate to connect successively computer, indoor optical-fibre transmission assembly,
Optical fiber splitter, outdoor optical fiber transmission assembly and communicating terminal, the indoor optical-fibre transmission assembly and outdoor optical fiber transmission assembly
It is communicated to connect respectively by optical fiber and optical fiber splitter, the communicating terminal is sensor, wherein
Indoor optical-fibre transmission assembly is used to serial ports of computers signal RX being converted into optical signal, while the optical fiber that will be received
The optical signal of splitter is reduced into electric signal and is exported through serial ports TX；
Optical fiber splitter is for optical signal to be allocated and be exported by certain splitting ratio；
Outdoor optical fiber transmission assembly is used to the rs 232 serial interface signal RX of communicating terminal being converted into optical signal, while will receive
Optical signal is reduced into electric signal and is exported through serial ports TX.
Preferably, the indoor optical-fibre transmission assembly is one, and the outdoor optical fiber transmission assembly is several, each
Outdoor optical fiber transmission assembly connects a sensor, and the optical fiber splitter is one fewer than outdoor optical fiber transmission assembly.
Preferably, the optical fiber splitter includes two output ports, and the ratio of described two output port luminous powers is
10:90。
Preferably, the indoor optical-fibre transmission assembly is connect with serial ports of computers RS232, the outdoor optical fiber transmission assembly
It is connect with the LVTTL standard interfaces of sensor.
Preferably, optical transmitter and receiver, the light end is respectively adopted in the indoor optical-fibre transmission assembly and outdoor optical fiber transmission assembly
Machine includes interface modular converter, signal processing module, level switch module, the mutual conversion module of electrical/optical, interface control module, electricity
Source control module, energy supply control module, communication control module, wherein
Interface modular converter realizes Interface Matching for realizing the interface conversion between serial ports level and signal processing module
Function；
Interface control module switches for realizing input serial ports RS232 and LVTTL level, you can realizes RS232 input electricity
It is flat, it can also realize LVTTL incoming levels；
Signal processing module for realizing the serioparallel exchange of electric signal, code conversion, data flow self-test, bi-directional data at
Reason；
Level switch module is electric for realizing the output and input level and the mutual transition module interface of electrical/optical of signal processing module
Matching and modification between flat；
Power management module supplies for realizing entire optical transmitter and receiver electric energy, the electric current distribution of different voltages value, overvoltage protection；
Energy supply control module needs to use external power supply for realizing the switching of internal electric source or external power supply according to different
Or internal electric source；
The mutual conversion module of electrical/optical exports signal processing module for realizing the mutual conversion between electric signal and optical signal
Serial electric signal change into optical signal output, while the optical signal of reception is converted into serial electric signal and is input to signal processing mould
Block, while ensureing the conversion of low latency, shorten the system communication time；
Communication control module can start or close as needed for realizing the communication control to the mutual conversion module of electrical/optical
Conversion module.
As shown from the above technical solution, the present invention distributes Transmission system in point type electronic sensor by using adaptive optic fiber
Opto-electronic conversion terminal is placed in device position, converts the electrical signal to optical signal by optoelectronic composite cable long distance transmission, while it is supplied
Electricity can also realize that remote electric energy supplies by optoelectronic composite cable internal wire, and pass most importantly may be implemented using optical fiber more
Multiple sensors are articulated to by special optical shunt device on an optical cable by sensor long range networking, the present invention, each to sense
Transmitting-receiving self adaptive control may be implemented in the optical transmitter and receiver of point, to realize the suspend mode of optical transmitter and receiver, saves the energy, extends the service life, in this way may be used
It is transmitted with the sensor fusion and remote reachable 40km of realizing a chain road.The optical transmitter and receiver of each sensing point can be used mutually,
And sensing point optical transmitter and receiver can also be used mutually with the optical transmitter and receiver inside Central Control Room, be realized all compatible.
Description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention；
Fig. 2 is the work block diagram of the embodiment of the present invention；
Fig. 3 is the work flow diagram of optical transmitter and receiver of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of optical transmitter and receiver of the embodiment of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, to the technology in the embodiment of the present invention
Scheme is clearly and completely described, it is clear that and described embodiments are some of the embodiments of the present invention, rather than whole
Embodiment.
Traditional border break alarm will be adopted by solar powered by the electronics acoustic vibration sensor of point type at present
The vibration signal collected is converted into being transmitted to central control station by wirelessly carrying out transmitting after Electric signal processing.
Traditional point type electronic sensor structure has as a drawback that：
It powers limited, in rainy days, sufficient electric energy does not ensure that system cannot work；It is mostly dotted, it can not group
Net is only capable of single electronic type, and certain distance construction nearby is also needed to have relay reception retransmission unit, for very remote side
Border line will be unable to realize effective monitoring；Electric signal poor anti jamming capability, transmission delay and the bit error rate are larger, especially in bad weather
In the case of, in some instances it may even be possible to it can not communicate, it is out of hand.
Therefore, the embodiment of the present invention provides a kind of adaptive optic fiber distribution Transmission system, as shown in Figure 1, including leading to successively
Believe computer, indoor optical-fibre transmission assembly, optical fiber splitter, outdoor optical fiber transmission assembly and the communicating terminal of connection, the room
Inner fiber transmission assembly and outdoor optical fiber transmission assembly are communicated to connect by optical fiber and optical fiber splitter respectively, the communicating terminal
For sensor,
Wherein, transmission assembly is used to serial ports of computers RS232 signals RX being converted into optical signal in fiber chamber, while will connect
The optical signal received is reduced into electric signal and is exported through serial ports TX.
Optical fiber is used for the low-loss transmission of optical signal, while ensureing the reliable of optical link.
Optical fiber splitter is allocated and is exported by certain splitting ratio for realizing the networking more than 1 pair, by optical signal.
Optical fiber outdoor transmissions component is used to serial ports of computers signal RX being converted into optical signal, while the light received being believed
Electric signal number is reduced into export through serial ports TX.
The present embodiment indoor optical-fibre transmission assembly is connect with serial ports of computers RS232, outdoor optical fiber transmission assembly and sensing
The LVTTL standard interfaces of device connect.
Specifically, the present embodiment includes 1 indoor optical-fibre transmission assembly, N only outdoor optical fiber transmission assembly and N-1 optical fiber
Splitter；If Fig. 2 is the work block diagram that adaptive optic fiber of the present invention distributes Transmission system；N=8, the fiber optic splitter of the present embodiment
Device includes two output ports, and the ratio of described two output port luminous powers is 10:90.10% and 90% refers to luminous power point
Proportion, 10% be exactly luminous power is herein the 10% of input light, and 90% be exactly luminous power is herein the 90% of input light,
The ratio of namely two output port luminous powers is 10:90 relationship.
Optical transmitter and receiver is respectively adopted in the indoor optical-fibre transmission assembly of the present embodiment and outdoor optical fiber transmission assembly, which is
Numerical data optical transmitter and receiver, maximum configured channel capacity are 1 road bi-direction data signal.Transmission channel uses modularized design, can root
According to engineer application demand, flexible configuration number of channels.Data-signal supports RS232 standards, 0~100kbps of baud rate.
Fig. 3 is the workflow of the present embodiment optical transmitter and receiver, and the optical transmitter and receiver of the present embodiment can use for 1 pair 1, also can be with splitter
It combines and is used 1 pair more, at most up to tens of nodes, while emitting terminal or receiving terminal and being used interchangeably.
Optical transmitter and receiver mainly realizes that electric signal enables control with the conversion of optical signal, interface level switching control, power supply, communicates
The functions such as start-up and shut-down control.1 networking pair 40 points or more can be realized when this optical transmitter and receiver normal transmission, need not needing when capacity extension
Change product design, volume and mounting means, it is only necessary to provide for simple replacement of the internal networking that more points can be realized with the module of size
Communication.This optical transmitter and receiver normal communication distance provides for simple replacement of reachable kilometers up to a hundred after module up to 40 kilometers or more.
Fig. 4 is the internal frame diagram of the present embodiment optical transmitter and receiver, optical transmitter and receiver mainly by interface modular converter, signal processing module,
The mutual conversion module of level switch module, electrical/optical, interface control module, power management module, energy supply control module, communication control
8 module compositions of module.Wherein,
Interface modular converter realizes Interface Matching for realizing the interface conversion between serial ports level and signal processing module
Function.
Interface control module switches for realizing input serial ports RS232 and LVTTL level, you can realizes RS232 input electricity
It is flat, it can also realize LVTTL incoming levels.
Signal processing module is for realizing the serioparallel exchange of electric signal, code conversion, data flow self-test, bi-directional data processing
Etc. functions.
Level switch module is electric for realizing the output and input level and the mutual transition module interface of electrical/optical of signal processing module
Matching and modification between flat.
Power management module supplies for realizing entire optical transmitter and receiver electric energy, the electric current distribution of different voltages value, overvoltage protection.
Energy supply control module needs to use external power supply for realizing the switching of internal electric source or external power supply according to different
Or internal electric source.
The mutual conversion module of electrical/optical exports signal processing module for realizing the mutual conversion between electric signal and optical signal
Serial electric signal change into optical signal output, while the optical signal of reception is converted into serial electric signal and is input to signal processing mould
Block, while ensureing the conversion of low latency, shorten the system communication time.
Communication control module can start or close as needed for realizing the communication control to the mutual conversion module of electrical/optical
On the one hand conversion module reduces system power dissipation, on the other hand extends system working life, realizes adaptive ability.
In summary the characteristics of the embodiment of the present invention：
1, intelligent security protection is, it can be achieved that real-time intrusion alarm, solves the disadvantage that traditional security device is unable to Realtime Alerts.
2, communication function：Middle control terminal host is communicated using inquiry mode with N number of terminal optical transmitter and receiver.
3, automatic recovery ability：Optical transmitter and receiver software has auto-reset function.
4, networking capability：1 pair of N (N number of terminal optical transmitter and receiver is articulated in parallel on an optical cable).
5, interchangeability：Terminal communication module is interchangeable.
6, cost-effective, hardware is ripe, and hardware is handled without sophisticated signal.
7, environmental suitability is strong, and various environment can be used.
8, it is insulating materials based on optical fiber using optical fiber transmission technique, the characteristic of electromagnetism interference is built high performance anti-
Interference system greatly improves the interference free performance of system, promotes capability to resist destruction, prolongs the service life.
9, high-performance optical splitter is made using fused biconical taper technology, designs specific optical branching device, structure is more 1 pair
System networking, reduces system cost, improves use processing ability.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
It encloses and is defined, under the premise of not departing from design spirit of the present invention, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made, should all fall within the scope of protection of the present invention.
Claims (5)
1. a kind of adaptive optic fiber distributes Transmission system, it is characterised in that：Including computer, the indoor optical-fibre communicated to connect successively
Transmission assembly, optical fiber splitter, outdoor optical fiber transmission assembly and communicating terminal, the indoor optical-fibre transmission assembly and outdoor optical fiber
Transmission assembly is communicated to connect by optical fiber and optical fiber splitter respectively, and the communicating terminal is sensor, wherein
Indoor optical-fibre transmission assembly is used to serial ports of computers signal RX being converted into optical signal, while the fiber optic splitter that will be received
The optical signal of device is reduced into electric signal and is exported through serial ports TX；
Optical fiber splitter is for optical signal to be allocated and be exported by certain splitting ratio；
Outdoor optical fiber transmission assembly is used to the rs 232 serial interface signal RX of communicating terminal being converted into optical signal, while the light received being believed
Electric signal number is reduced into export through serial ports TX.
2. adaptive optic fiber according to claim 1 distributes Transmission system, it is characterised in that：The indoor optical-fibre transmission group
Part is one, and the outdoor optical fiber transmission assembly is several, each outdoor optical fiber transmission assembly connects a sensor, institute
It is one fewer than outdoor optical fiber transmission assembly to state optical fiber splitter.
3. adaptive optic fiber according to claim 2 distributes Transmission system, it is characterised in that：The optical fiber splitter includes
The ratio of two output ports, described two output port luminous powers is 10:90.
4. adaptive optic fiber according to claim 2 distributes Transmission system, it is characterised in that：The indoor optical-fibre transmission group
Part is connect with serial ports of computers RS232, and the LVTTL standard interfaces of the outdoor optical fiber transmission assembly and sensor connect.
5. adaptive optic fiber according to claim 4 distributes Transmission system, it is characterised in that：The indoor optical-fibre transmission group
Optical transmitter and receiver is respectively adopted in part and outdoor optical fiber transmission assembly, and the optical transmitter and receiver includes interface modular converter, signal processing module, electricity
The mutual conversion module of flat conversion module, electrical/optical, interface control module, power management module, energy supply control module, communication control mould
Block, wherein
Interface modular converter realizes Interface Matching work(for realizing the interface conversion between serial ports level and signal processing module
Energy；
Interface control module switches for realizing input serial ports RS232 and LVTTL level, you can realize RS232 incoming levels,
LVTTL incoming levels can be achieved；
Signal processing module is for realizing the serioparallel exchange of electric signal, code conversion, data flow self-test, bi-directional data processing；
Level switch module for realizing signal processing module output and input level and the mutual transition module interface level of electrical/optical it
Between Matching and modification；
Power management module supplies for realizing entire optical transmitter and receiver electric energy, the electric current distribution of different voltages value, overvoltage protection；
Energy supply control module needs to use external power supply or interior for realizing the switching of internal electric source or external power supply according to different
Portion's power supply；
The mutual conversion module of electrical/optical is for realizing the mutual conversion between electric signal and optical signal, the string that signal processing module is exported
Horizontal electrical signal changes into optical signal output, while the optical signal of reception is converted into serial electric signal and is input to signal processing module,
Ensure the conversion of low latency simultaneously, shortens the system communication time；
Communication control module can start or close conversion as needed for realizing the communication control to the mutual conversion module of electrical/optical
Module.
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| CN201810641579.8A CN108599853B (en) | 2018-06-21 | 2018-06-21 | Self-adaptive optical fiber distribution transmission system |
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| CN201810641579.8A CN108599853B (en) | 2018-06-21 | 2018-06-21 | Self-adaptive optical fiber distribution transmission system |
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| CN109451286A (en) * | 2018-12-12 | 2019-03-08 | 深圳市埃尔法光电科技有限公司 | A kind of light cascade system for transmitting cascade system for image/video |
| CN111385024A (en) * | 2020-03-30 | 2020-07-07 | 南京信息工程大学 | Multi-core less-mode sensing communication fusion access transmission system |
| CN113746553A (en) * | 2021-09-08 | 2021-12-03 | 北京机电工程研究所 | Intelligent networking system based on multiple zones |
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| CN108599853B (en) | 2023-10-20 |
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