CN108833001A - A kind of optical fiber code identifying system based on tunable optical source - Google Patents
A kind of optical fiber code identifying system based on tunable optical source Download PDFInfo
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- CN108833001A CN108833001A CN201810349349.4A CN201810349349A CN108833001A CN 108833001 A CN108833001 A CN 108833001A CN 201810349349 A CN201810349349 A CN 201810349349A CN 108833001 A CN108833001 A CN 108833001A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 93
- 238000001514 detection method Methods 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
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- 239000000835 fiber Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
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- 230000009191 jumping Effects 0.000 description 2
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- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
- G01D5/35354—Sensor working in reflection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
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- Engineering & Computer Science (AREA)
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- Optics & Photonics (AREA)
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Abstract
The optical fiber code identifying system based on tunable optical source that the present invention provides a kind of, the system includes at least one tunable broad band light source, first high-speed optical switch, circulator, second high-speed optical switch, optical detection module, optical cable, optical fiber code, data processing module composition carry out the optical fiber code in selective wavelength detection of luminescence optical cable by tunable broad band light source and are identified, realization identifies optical fiber code using tunable broad band light source, the configuration of the present invention is simple, low in cost, using effect is good.
Description
Technical field
The invention belongs to optical fiber code identification technology fields, are related to a kind of optical fiber code identification system based on tunable optical source
System.
Background technique
In the prior art, fiber identification mainly utilizes that third party's medium --- electronic tag is identified optical fiber, existing
There is domestic market mainly based on Huawei IODN, possessed multinomial national and foreign standards, method is mainly embedded in optical fiber distributing disk
Enter electronic label read/write, upper electronic tag ring covered on optical patchcord, to realize the identification of optical cable, the technology there are one kind must
The major defect of third party's medium must be used, it is necessary to optical patchcord both ends electronic tag match and must must not fall off,
This just seriously affects the use of the technology.
In the patent application for example application No. is CN201210207967.8, by the way that port is arranged in iODF equipment
Mark, jumping fiber configuration information associated in port etc. is stored, and when jumping fiber is correct, i.e. the associated letter of port-mark
When ceasing consistent with the information for the adapter card carrying being arranged on socket, show that port is correct, the program in port by being arranged
Additional physical device realizes the correct identification to optical fiber, to guarantee the correctness of port mating.In another example application No. is
In the patent application of CN200910002203.3, by the way that SSFBG and heating module, temperature sensing are arranged in fiber optic network
The mode of device, temperature controller, by carrying out temperature control to the SSFBG in optical fiber, to change its reflection wavelength, to realize
It to the coding of optical fiber, and this mode, needs to control temperature very accurate, code error otherwise necessarily occurs or can not
The problem of effectively identifying to coding, in practical applications, has very high want to the leakproofness of device, the stability of application environment
It asks, does not adapt to the requirement at this stage to fiber optic network.
Based on the above-mentioned problems in the prior art, a kind of optical cable that substantially carries out from optical cable is needed to know method for distinguishing.
The present invention just improves existing technology under this technical background.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of optical fiber code identification system based on tunable optical source
System, under the premise of not influencing signal propagation, using optical cable itself as identification medium, with overcome the deficiencies in the prior art.Specifically
For, the present invention provides following technical schemes.
A kind of optical fiber code identifying system based on tunable optical source, including tunable broad band light source, the first high-speed light are opened
It closes, circulator, the second high-speed optical switch, optical detection module, optical cable, optical fiber code, data processing module；
Wherein, tunable broad band light source is connect with the first high-speed optical switch, and light source is inputted the first high-speed optical switch, by
Light wave is inputted optical cable by circulator；
Wherein, the light wave of corresponding coding wavelength can be carried out strong back-reflections by optical fiber code；
Wherein, light wave is reflected through the optical fiber code in optical cable, and optical detection mould is inputted after circulator, the second high-speed optical switch
Block is detected by optical detection module；
Wherein, data processing module is respectively with tunable broad band light source, and the first high-speed optical switch, circulator, second at a high speed
Photoswitch, the connection of optical detection module, realization manage and control to it and receive the information that optical detection module is detected.
Further, tunable broad band light source output all band light wave, the first high-speed optical switch and the second high-speed optical switch phase
Interworking combination switch realizes that all optical fiber code reflections are collected by optical detection module in optical cable；
Wherein, the first high-speed optical switch and the second high-speed optical switch, which cooperate, switchs, and realizes that special time period light wave is logical
It crosses, the two switch time difference is to pass through the length of the second high-speed optical switch optical cable locating for the collected light wave of optical detection module
Degree；
Wherein, data processing module is cooperated using the first high-speed optical switch and the second high-speed optical switch and is switched, paragraph by paragraph
It realizes the detection of optical cable, confirms optical fiber code reflection and corresponding cable length in every section of optical cable.
Further, data processing module reflects corresponding cable length according to optical fiber codes all in optical cable, to each optical fiber
Coded reflective point carries out the fixed test of the first high-speed optical switch and the second high-speed optical switch mutual cooperation switch, while tunable
Wavelength is identified wideband light source one by one, and the final optical fiber code wavelength for realizing measured position is identified to；
Wherein, tunable broad band light source one by one open to the first high-speed optical switch input light wave, the first high-speed optical switch by wavelength
Closed after opening fixed time period, data processing module according to the length computation light of optical fiber code reflection point come needed for transmission back when
Between, prolong post-opening time point for this time as the second high-speed optical switch；
Wherein, optical fiber code only reflects the light wave of phase co-wavelength, and wavelength is detected tunable broad band light source one by one, is visited
When survey wavelength is identical as optical fiber code, optical fiber code can acquire the wavelength reflection back-ray detection module through optical detection module, with
This data processing module using the wavelength as the Wavelength-encoding of optical fiber code, while with optical detection module energy value collected with
And cable length matching, the information as the optical fiber code.
Above-mentioned technical proposal of the invention has the beneficial effect that：
1, it may be implemented effectively to identify the different section optical fiber codes in unit cable, and accuracy of identification is high, it can
With the corresponding optical cable information of automatic identification, accuracy of identification is substantially increased；
2, identify that equipment is greatlyd save into the case where effectively improving accuracy of identification without increasing additional third party
This.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the optical fiber code identifying system based on tunable optical source of the present invention；
Fig. 2 is a kind of optical fiber code structural schematic diagram of the optical fiber code identifying system based on tunable optical source of the present invention.
Wherein：
Label in Fig. 1 be：
1- tunable broad band light source, the first high-speed optical switch of 2-, 3- circulator, the second high-speed optical switch of 4-, 5- optical detection
Module, 6- optical cable, 7- optical fiber code, 8- data processing module.
Label in Fig. 2 be：
71- optical fiber, 72- grating.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.Those skilled in the art should know following specific embodiments or specific embodiment are these
The set-up mode for the series of optimum enumerated Wei specific summary of the invention is explained further is invented, and between those set-up modes
Can be combined with each other or it is interrelated use, unless the present invention clearly propose some of them or a certain specific reality
Setting can not be associated or be used in conjunction with other embodiments or embodiment by applying example or embodiment.Meanwhile it is following
Specific embodiment or embodiment are only as the set-up mode optimized, and not as the reason limited the scope of protection of the present invention
Solution.
Below by way of each specific embodiment, it is described in detail to of the invention for preferred embodiment.With
Under each design parameter numerical value involved in each specific embodiment, only illustratively uses, to facilitate to present invention implementation
The explanation of mode is not intended as the restriction of the scope of the present invention.
Embodiment one：
As shown in Figure 1, 2, a kind of optical fiber code identifying system based on tunable optical source, the system comprises tunable width
Band light source 1, the first high-speed optical switch 2, circulator 3, the second high-speed optical switch 4, optical detection module 5, optical cable 6, optical fiber code 7,
Data processing module 8；
Wherein, tunable broad band light source 1 is connect with the first high-speed optical switch 2, and light source is inputted the first high-speed optical switch 2,
Light wave is inputted into optical cable 6 by circulator 3；
Wherein, the light wave of corresponding coding wavelength can be carried out strong back-reflections by optical fiber code 7；
Wherein, light wave is reflected through the optical fiber code 7 in optical cable 6, and input light is visited after circulator 3, the second high-speed optical switch 4
Module 5 is surveyed, is detected by optical detection module 5；
Wherein, data processing module 8 respectively with tunable broad band light source 1, the first high-speed optical switch 2, circulator 3, second
High-speed optical switch 4, optical detection module 5 connect, and realization manages and controls to it and receive the letter that optical detection module 5 is detected
Breath.
Due to firstly, a kind of optical fiber code identifying system based on tunable optical source, the system comprises tunable broad bands
Light source, the first high-speed optical switch, circulator, the second high-speed optical switch, optical detection module, optical cable, optical fiber code, data processing mould
Block；
Wherein, tunable broad band light source is connect with the first high-speed optical switch, and light source is inputted the first high-speed optical switch, by
Light wave is inputted optical cable by circulator；
Wherein, the light wave of corresponding coding wavelength can be carried out strong back-reflections by optical fiber code；
Wherein, light wave is reflected through the optical fiber code in optical cable, and optical detection mould is inputted after circulator, the second high-speed optical switch
Block is detected by optical detection module；
Wherein, data processing module is respectively with tunable broad band light source, and the first high-speed optical switch, circulator, second at a high speed
Photoswitch, the connection of optical detection module, realization manage and control to it and receive the information that optical detection module is detected.
Described, tunable broad band light source output all band light wave, the first high-speed optical switch and the second high-speed optical switch are mutual
With combination switch, realize that all optical fiber code reflections are collected by optical detection module in optical cable；
Embodiment two：
As shown in Figure 1, 2, a kind of optical fiber code identifying system based on tunable optical source, the system comprises tunable width
Band light source 1, the first high-speed optical switch 2, circulator 3, the second high-speed optical switch 4, optical detection module 5, optical cable 6, optical fiber code 7,
Data processing module 8；
Wherein, tunable broad band light source 1 is connect with the first high-speed optical switch 2, and light source is inputted the first high-speed optical switch 2,
Light wave is inputted into optical cable 6 by circulator 3；
Wherein, the light wave of corresponding coding wavelength can be carried out strong back-reflections by optical fiber code 7；
Wherein, light wave is reflected through the optical fiber code 7 in optical cable 6, and input light is visited after circulator 3, the second high-speed optical switch 4
Module 5 is surveyed, is detected by optical detection module 5；
Wherein, data processing module 8 respectively with tunable broad band light source 1, the first high-speed optical switch 2, circulator 3, second
High-speed optical switch 4, optical detection module 5 connect, and realization manages and controls to it and receive the letter that optical detection module 5 is detected
Breath.
Tunable broad band light source 1 exports all band light wave, the first high-speed optical switch 2 and 4 phase interworking of the second high-speed optical switch
Combination switch realizes that all reflections of optical fiber code 7 are collected by optical detection module 5 in optical cable 6；
Wherein, the first high-speed optical switch 2 and the second high-speed optical switch 4, which cooperate, switchs, and realizes special time period light wave
Pass through, the two switch time difference is to pass through the second high-speed optical switch 4 optical cable 6 locating for the collected light wave of optical detection module 5
Length；
Wherein, data processing module 8 is cooperated using the first high-speed optical switch 2 and the second high-speed optical switch 4 and is switched, by
The detection of Duan Shixian optical cable 6 confirms 6 length of the reflection of optical fiber code 7 and corresponding optical cable in every section of optical cable 6.
Due to tunable broad band light source output all band light wave, high-speed optical switch 1 is opened with the mutual cooperation of high-speed optical switch 2
It closes, realizes that all optical fiber code reflections are collected by optical detection module in optical cable；
Wherein, high-speed optical switch 1 and high-speed optical switch 2, which cooperate, switchs, and realizes that special time period light wave passes through, the two
Switch time difference is to pass through the length of the optical cable locating for the collected light wave of optical detection module of high-speed optical switch 2；
Wherein, data processing module is cooperated using high-speed optical switch 1 and high-speed optical switch 2 and is switched, and realizes light paragraph by paragraph
The detection of cable confirms optical fiber code reflection and corresponding cable length in every section of optical cable.
Embodiment three：
As shown in Figure 1, 2, a kind of optical fiber code identifying system based on tunable optical source, the system comprises tunable width
Band light source 1, the first high-speed optical switch 2, circulator 3, the second high-speed optical switch 4, optical detection module 5, optical cable 6, optical fiber code 7,
Data processing module 8；
Wherein, tunable broad band light source 1 is connect with the first high-speed optical switch 2, and light source is inputted the first high-speed optical switch 2,
Light wave is inputted into optical cable 6 by circulator 3；
Wherein, the light wave of corresponding coding wavelength can be carried out strong back-reflections by optical fiber code 7；
Wherein, light wave is reflected through the optical fiber code 7 in optical cable 6, and input light is visited after circulator 3, the second high-speed optical switch 4
Module 5 is surveyed, is detected by optical detection module 5；
Wherein, data processing module 8 respectively with tunable broad band light source 1, the first high-speed optical switch 2, circulator 3, second
High-speed optical switch 4, optical detection module 5 connect, and realization manages and controls to it and receive the letter that optical detection module 5 is detected
Breath.
Tunable broad band light source 1 exports all band light wave, the first high-speed optical switch 2 and 4 phase interworking of the second high-speed optical switch
Combination switch realizes that all reflections of optical fiber code 7 are collected by optical detection module 5 in optical cable 6；
Wherein, the first high-speed optical switch 2 and the second high-speed optical switch 4, which cooperate, switchs, and realizes special time period light wave
Pass through, the two switch time difference is to pass through the second high-speed optical switch 4 optical cable 6 locating for the collected light wave of optical detection module 5
Length；
Wherein, data processing module 8 is cooperated using the first high-speed optical switch 2 and the second high-speed optical switch 4 and is switched, by
The detection of Duan Shixian optical cable 6 confirms 6 length of the reflection of optical fiber code 7 and corresponding optical cable in every section of optical cable 6.
Data processing module 8 reflects corresponding 6 length of optical cable according to optical fiber codes 7 all in optical cable 6, to each optical fiber code
7 reflection points carry out the fixed test of the first high-speed optical switch 2 and the second high-speed optical switch 4 mutual cooperation switch, while tunable
Wavelength is identified wideband light source 1 one by one, and final 7 wavelength of optical fiber code for realizing measured position is identified to；
Wherein, tunable broad band light source 1 one by one wavelength to the first high-speed optical switch 2 input light wave, the first high-speed optical switch 2
It is closed after opening fixed time period, data processing module 8 is according to the length computation light of 7 reflection point of optical fiber code come needed for transmission back
This time is prolonged post-opening time point by time；
Wherein, optical fiber code 7 only reflects the light wave of phase co-wavelength, and wavelength is detected tunable broad band light source 1 one by one, institute
When detection wavelength is identical as optical fiber code 7, optical fiber code 7 can be by the wavelength reflection back-ray detection module 5, through optical detection module 5
Acquisition, using this data processing module 8 by the wavelength as the Wavelength-encoding of optical fiber code 7, while being acquired with optical detection module 5
Energy value and 6 length of optical cable matching, the information as the optical fiber code 7.
Since the data processing module reflects corresponding cable length according to optical fiber codes all in optical cable, to each optical fiber
Coded reflective point carries out the fixed test of high-speed optical switch 1 and the mutual cooperation switch of high-speed optical switch 2, while tunable broad band light
Wavelength is identified one by one in source, and the final optical fiber code wavelength for realizing measured position is identified to；
Wherein, to the input light wave of high-speed optical switch 1, high-speed optical switch 1 is opened to be fixed wavelength tunable broad band light source one by one
Closed after period, data processing module according to the length computation light of optical fiber code reflection point come the time required to transmission back, by this
A time prolongs post-opening time point as high-speed optical switch 2；
Wherein, optical fiber code only reflects the light wave of phase co-wavelength, and wavelength is detected tunable broad band light source one by one, is visited
When survey wavelength is identical as optical fiber code, optical fiber code can acquire the wavelength reflection back-ray detection module through optical detection module, with
This data processing module using the wavelength as the Wavelength-encoding of optical fiber code, while with optical detection module energy value collected with
And cable length matching, the information as the optical fiber code.
Claims (3)
1. a kind of optical fiber code identifying system based on tunable optical source, which is characterized in that including tunable broad band light source, first
High-speed optical switch, circulator, the second high-speed optical switch, optical detection module, optical cable, optical fiber code, data processing module；
Wherein, tunable broad band light source is connect with the first high-speed optical switch, light source is inputted the first high-speed optical switch, by annular
Light wave is inputted optical cable by device；
Wherein, the light wave of corresponding coding wavelength can be carried out strong back-reflections by optical fiber code；
Wherein, light wave is reflected through the optical fiber code in optical cable, the input light detecting module after circulator, the second high-speed optical switch,
It is detected by optical detection module；
Wherein, data processing module is respectively with tunable broad band light source, and the first high-speed optical switch, circulator, the second high-speed light opens
It closes, optical detection module connection, realization manages and controls to it and receive the information that optical detection module is detected.
2. a kind of optical fiber code identifying system based on tunable optical source according to claim 1, it is characterised in that：It is adjustable
Humorous wideband light source exports all band light wave, and the first high-speed optical switch and the second high-speed optical switch, which cooperate, to be switched, and realizes optical cable
In the reflection of all optical fiber codes collected by optical detection module；
Wherein, the first high-speed optical switch and the second high-speed optical switch, which cooperate, switchs, and realizes that special time period light wave passes through, and two
Person's switch time difference is to pass through the length of the second high-speed optical switch optical cable locating for the collected light wave of optical detection module；
Wherein, data processing module is cooperated using the first high-speed optical switch and the second high-speed optical switch and is switched, and is realized paragraph by paragraph
The detection of optical cable confirms optical fiber code reflection and corresponding cable length in every section of optical cable.
3. a kind of optical fiber code identifying system based on tunable optical source according to claim 1, it is characterised in that：Data
Processing module reflects corresponding cable length according to optical fiber codes all in optical cable, and it is high to carry out first to each optical fiber code reflection point
The fixed test of fast photoswitch and the second high-speed optical switch mutual cooperation switch, while wavelength carries out tunable broad band light source one by one
Identification, the final optical fiber code wavelength for realizing measured position are identified to；
Wherein, tunable broad band light source one by one to the first high-speed optical switch input light wave, open solid wavelength by the first high-speed optical switch
It is closed after section of fixing time, data processing module, come transmission back required time, is incited somebody to action according to the length computation light of optical fiber code reflection point
This time prolongs post-opening time point as the second high-speed optical switch；
Wherein, optical fiber code only reflects the light wave of phase co-wavelength, and wavelength is detected tunable broad band light source one by one, institute's probing wave
When long identical as optical fiber code, which can be acquired through optical detection module, be counted with this by optical fiber code
According to processing module using the wavelength as the Wavelength-encoding of optical fiber code, at the same with optical detection module energy value collected and light
The matching of cable length, the information as the optical fiber code.
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| CN109959404A (en) * | 2019-03-27 | 2019-07-02 | 中山水木光华电子信息科技有限公司 | Differential fiber grating recognition system |
| CN110048766A (en) * | 2019-04-22 | 2019-07-23 | 中山水木光华电子信息科技有限公司 | Rapid optical fiber coding identification system and identification method based on narrow-band light waves |
| CN110044514A (en) * | 2019-04-18 | 2019-07-23 | 云南电网有限责任公司昭通供电局 | One kind being based on fiber segment sequential coding connector box temperature sensing system |
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| CN111934811A (en) * | 2020-07-24 | 2020-11-13 | 中山水木光华电子信息科技有限公司 | System and method for realizing field operation optical cable optimal transmission waveband through optical fiber coding |
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| WO2021190254A1 (en) * | 2020-03-23 | 2021-09-30 | 华为技术有限公司 | Method for measuring probability of same cable being shared, and apparatus |
| CN115225157A (en) * | 2022-06-13 | 2022-10-21 | 中山水木光华电子信息科技有限公司 | Dynamic encryption communication terminal, system and method based on optical fiber coding |
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