CN107749776A - A kind of intelligent light time domain reflectometer for optical cable O＆M - Google Patents
A kind of intelligent light time domain reflectometer for optical cable O＆M Download PDFInfo
- Publication number
- CN107749776A CN107749776A CN201711037802.XA CN201711037802A CN107749776A CN 107749776 A CN107749776 A CN 107749776A CN 201711037802 A CN201711037802 A CN 201711037802A CN 107749776 A CN107749776 A CN 107749776A
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- China
- Prior art keywords
- micro
- time domain
- chip processor
- light time
- intelligent light
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- 230000003287 optical effect Effects 0.000 title claims abstract description 15
- 239000013307 optical fiber Substances 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 14
- 238000004458 analytical method Methods 0.000 claims abstract description 6
- 238000013500 data storage Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 230000036299 sexual function Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- H04B10/07—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]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/07—Monitoring an optical transmission system using a supervisory signal
- H04B2210/071—Monitoring an optical transmission system using a supervisory signal using alarms
Abstract
The invention discloses a kind of intelligent light time domain reflectometer for optical cable O＆M, including micro-chip processor, pulse signal generating unit, light emitting diode, photo-coupler and photoelectric detection unit, serial ports turns 2G communication modules, alarm unit and locating module, and micro-chip processor, pulse signal generating unit and light emitting diode are sequentially connected electrically；The incident ray that light emitting diode is sent enters optical fiber by photo-coupler；Photo-coupler is connected with optical fiber；Reflection light in optical fiber enters photoelectric detection unit by photo-coupler；Photoelectric detection unit, serial ports turn 2G communication modules, alarm unit and locating module and electrically connected respectively with micro-chip processor.The present invention, also with warning function and positioning function, provides conveniently for staff in addition to the detection to optical fiber, adds operating efficiency.Meanwhile 2G communication modules are turned by serial ports analysis result is reported into system, " big data " analysis can be carried out to optical fiber on backstage, be advantageous to the unified development of optical fiber maintenance work.
Description
Technical field
The present invention relates to the field of communications optical cable positioning, more particularly, to a kind of intelligent light time for optical cable O＆M
Domain reflectometer.
Background technology
Caused by Rayleigh scattering and Fresnel reflection when optical time domain reflectometer is transmitted in a fiber using light backwards
Scattering and manufactured accurate optoelectronic integration instrument, be widely used in lightguide cable link maintenance, construction among, light can be carried out
The measurement of fine length, optical fiber transmission attenuation, joint decay and fault location etc., is instrument important in attendant's hand.But
With increasing for maintenance task, existing optical time domain reflectometer expands performance deficiency, it is impossible to fully meets the work of attendant
Demand, it have impact on operating efficiency.
The content of the invention
Instant invention overcomes the defects of existing optical time domain reflectometer, there is provided a kind of intelligent light time domain for optical cable O＆M
Reflectometer.The present invention, also with a variety of expanded functions, provides conveniently, increase in addition to the detection to optical fiber for staff
Operating efficiency.
In order to solve the above technical problems, technical scheme is as follows：
A kind of intelligent light time domain reflectometer for optical cable O＆M, including micro-chip processor, pulse signal generating unit, luminous two
Pole pipe, photo-coupler, photoelectric detection unit, serial ports turn 2G communication modules, alarm unit, locating module and program module, wherein,
First output end of described micro-chip processor electrically connects with the input of pulse signal generating unit；
The described output end of pulse signal generating unit electrically connects with the input of light emitting diode；
The incident ray that described light emitting diode is sent enters optical fiber by photo-coupler；
Described photo-coupler is connected with optical fiber；
Reflection light in described optical fiber enters photoelectric detection unit by photo-coupler；
The output end of described photoelectric detection unit electrically connects with the first input end of micro-chip processor；
The input that the second output end and the serial ports of described micro-chip processor turn 2G communication modules electrically connects；
3rd output end of described micro-chip processor electrically connects with the input of alarm unit；
Second input of described micro-chip processor electrically connects with the output end of locating module；
Described program module is stored on the micro-chip processor, and described program module can be by described micro-chip processor
Perform, comprise the following steps：
S1：Described micro-chip processor controls the incident light of light emitting diode generation Wavelength tunable by pulse signal generating unit
Line；
S2：Described micro-chip processor is analyzed reflection light by photoelectric detection unit, obtains analyze data；
S3：When micro-chip processor produces warning message, described alarm unit sends alarm；
S4：Described serial ports turns 2G communication modules by warning message and is uploaded to system.
The present invention is in addition to the detection to optical fiber, also with warning function and positioning function, for the staff side of providing
Just, operating efficiency is added.
In a kind of preferable scheme, described intelligent light time domain reflectometer also includes LCD display, and described LCD shows
The input of display screen electrically connects with the 4th output end of micro-chip processor, and described LCD display is used for display alarm information, divided
Analyse data and positional information.This preferred scheme can put the situation that just surfaceman intuitively observes optical fiber.
In a kind of preferable scheme, described intelligent light time domain reflectometer also includes thermal module, described thermal module
3rd input of output end and micro-chip processor.
In a kind of preferable scheme, described S3 idiographic flow is as follows：
S3.1：If micro-chip processor show that the damage data of optical fiber exceed the result of threshold value according to reflection light, microprocessor core
Piece sends optical fiber warning message, and described optical fiber warning message includes analyze data and location information；
S3.2：If micro-chip processor show that the internal temperature of intelligent light time domain reflectometer exceeds the result of threshold value according to thermal module
When, micro-chip processor sends temperature alarming information, and described temperature alarming information includes the inside temperature of intelligent light time domain reflectometer
Degree.
In this preferred scheme, by setting two kinds of warning messages so that when attendant is apparent that optical fiber and light
The situation of domain reflectometer, gives a response in time.
In a kind of preferable scheme, described intelligent light time domain reflectometer also includes data storage card, described data storage
The input of card electrically connects with the 5th output end of micro-chip processor, and described data storage card is used to store warning message.This
Preferred scheme is advantageous to attendant and carries out data statistics and analysis afterwards.
In a kind of preferable scheme, described intelligent light time domain reflectometer also includes print module, described impression block
The input of block electrically connects with the 6th output end of micro-chip processor, and described print module is used to beat the analyze data in S2
Print off and.This preferred scheme is advantageous to attendant and watches analyze data, without holding optical time domain reflectometer always, can pass through
Printed matter reading.
In a kind of preferable scheme, described intelligent light time domain reflectometer also includes short distance wireless data transmission mould
Block, the input of described short distance wireless data transport module electrically connects with the 7th output end of micro-chip processor, described
Short distance wireless data transport module is used to analyze data being sent to mobile terminal by way of being wirelessly transferred.This preferred scheme
Be advantageous to attendant and watch analyze data, without holding optical time domain reflectometer always, can be read by mobile terminal.
In a kind of preferable scheme, described short distance wireless data transport module is WiFi module or bluetooth mould
Block.
In a kind of preferable scheme, described intelligent light time domain reflectometer also includes power supply, and described power supply is intelligence
Optical time domain reflectometer is powered.
In a kind of preferable scheme, described intelligent light time domain reflectometer also includes URAT interfaces, and described URAT connects
The output end of mouth electrically connects with the 4th input of micro-chip processor, and described URAT interfaces are used to enter stroke to micro-chip processor
Sequence replication.This preferred scheme is advantageous to attendant and program is modified, such as the information such as threshold value threshold in warning message.
Compared with prior art, the beneficial effect of technical solution of the present invention is：
The present invention, also with a variety of extension sexual functions, is provided conveniently for staff, added in addition to the detection to optical fiber
Operating efficiency.Meanwhile 2G communication modules are turned by serial ports analysis result is reported into system, optical fiber can be carried out on backstage
" big data " is analyzed, and is advantageous to the unified development of optical fiber maintenance work.
Brief description of the drawings
Fig. 1 is the structure chart of embodiment.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；
In order to more preferably illustrate the present embodiment, some parts of accompanying drawing have omission, zoomed in or out, and do not represent the chi of actual product
It is very little；
To those skilled in the art, some known features and its explanation may be omitted and will be understood by accompanying drawing.
Technical scheme is described further with reference to the accompanying drawings and examples.
As shown in figure 1, list occurs for a kind of intelligent light time domain reflectometer for optical cable O＆M, including FPGA, pulse signal
Member, laser diode, photo-coupler, photoelectric detection unit, d GPS locating module, DSB1820, UART interface, power supply, bluetooth mould
Block, print module, LCD display, serial ports turn 2G communication modules, buzzer, TF card, wherein,
FPGA the first output end electrically connects with the input of pulse signal generating unit；
The output end of pulse signal generating unit electrically connects with the input of light emitting diode；
The incident ray that light emitting diode is sent enters optical fiber by photo-coupler；
Photo-coupler is connected with optical fiber；
Reflection light in optical fiber enters photoelectric detection unit by photo-coupler；
The output end of photoelectric detection unit electrically connects with FPGA first input end；
The input that FPGA the second output end and serial ports turns 2G communication modules electrically connects；
FPGA the 3rd output end electrically connects with the input of buzzer；
FPGA the 4th output end electrically connects with the input of TF card；
FPGA the 5th output end electrically connects with the input of LCD display；
FPGA the 6th output end electrically connects with the input of print module；
FPGA the 7th output end electrically connects with the input of bluetooth module；
FPGA the second input electrically connects with the output end of d GPS locating module；
FPGA the 3rd input electrically connects with DSB1820 output end；
FPGA the 4th input electrically connects with the output end of UART interface；
The present embodiment course of work is as follows：
S1：Photo-coupler is connected with optical fiber to be measured；
S2：FPGA controls the incident ray of laser diode generation Wavelength tunable by pulse signal generating unit；
S3：Incident ray enters testing fiber by photo-coupler；
S4：If optical fiber has damage, production enters photoelectric detection unit in reflection light, reflection light by photo-coupler；
S5：FPGA is analyzed reflection light by photoelectric detection unit, obtains analyze data；
S6：DSB1820 and d GPS locating module provide temperature information and positional information；
S7：Attendant can select by LCD display, print module, blue sky module obtain analyze data, temperature information and
Positional information；
S8：If micro-chip processor show that the damage data of optical fiber exceed the result of threshold value according to reflection light, micro-chip processor
Optical fiber warning message is sent, described optical fiber warning message includes analyze data and location information；If micro-chip processor is according to temperature
When degree module show that the internal temperature of intelligent light time domain reflectometer exceeds the result of threshold value, micro-chip processor sends temperature alarming letter
Breath, described temperature alarming information include the internal temperature of intelligent light time domain reflectometer；
S9：TF card is used to store warning message, and buzzer sounds the alarm；
S10：Serial ports turns 2G communication modules by warning message and is uploaded to system；
S11：Attendant can be as needed, and FPGA program is modified by UART interface.
Same or analogous label corresponds to same or analogous part；
Term the being given for example only property explanation of position relationship described in accompanying drawing, it is impossible to be interpreted as the limitation to this patent；
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to this hair
The restriction of bright embodiment.For those of ordinary skill in the field, can also do on the basis of the above description
Go out other various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.It is all in the present invention
Spirit and principle within all any modification, equivalent and improvement made etc., should be included in the guarantor of the claims in the present invention
Within the scope of shield.
Claims (10)
1. a kind of intelligent light time domain reflectometer for optical cable O＆M, including it is micro-chip processor, pulse signal generating unit, luminous
Diode, photo-coupler and photoelectric detection unit, it is characterised in that also turn 2G communication modules, alarm unit, positioning including serial ports
Module and program module, wherein,
First output end of described micro-chip processor electrically connects with the input of pulse signal generating unit；
The described output end of pulse signal generating unit electrically connects with the input of light emitting diode；
The incident ray that described light emitting diode is sent enters optical fiber by photo-coupler；
Described photo-coupler is connected with optical fiber；
Reflection light in described optical fiber enters photoelectric detection unit by photo-coupler；
The output end of described photoelectric detection unit electrically connects with the first input end of micro-chip processor；
The input that the second output end and the serial ports of described micro-chip processor turn 2G communication modules electrically connects；
3rd output end of described micro-chip processor electrically connects with the input of alarm unit；
Second input of described micro-chip processor electrically connects with the output end of locating module；
Described program module is stored on the micro-chip processor, and described program module can be by described micro-chip processor
Perform, comprise the following steps：
S1：Described micro-chip processor controls the incident light of light emitting diode generation Wavelength tunable by pulse signal generating unit
Line；
S2：Described micro-chip processor is analyzed reflection light by photoelectric detection unit, obtains analyze data；
S3：When micro-chip processor produces warning message, described alarm unit sends alarm；
S4：Described serial ports turns 2G communication modules by warning message and is uploaded to system.
2. intelligent light time domain according to claim 1 reflectometer, it is characterised in that described intelligent light time domain reflectometer is also
Including LCD display, the input of described LCD display electrically connects with the 4th output end of micro-chip processor, described LCD
Display screen is used for display alarm information, analyze data and positional information.
3. intelligent light time domain according to claim 1 or 2 reflectometer, it is characterised in that described intelligent light time domain reflection
Instrument also includes thermal module, the output end of described thermal module and the 3rd input of micro-chip processor.
4. intelligent light time domain according to claim 3 reflectometer, it is characterised in that described S3 idiographic flow is as follows：
S3.1：If micro-chip processor show that the damage data of optical fiber exceed the result of threshold value according to reflection light, microprocessor core
Piece sends optical fiber warning message, and described optical fiber warning message includes analyze data and location information；
S3.2：If micro-chip processor show that the internal temperature of intelligent light time domain reflectometer exceeds the result of threshold value according to thermal module
When, micro-chip processor sends temperature alarming information, and described temperature alarming information includes the inside temperature of intelligent light time domain reflectometer
Degree.
5. the intelligent light time domain reflectometer according to any claim in claim 1,2 or 4, it is characterised in that described
Intelligent light time domain reflectometer also include data storage card, the input of described data storage card and the 5th of micro-chip processor the
Output end electrically connects, and described data storage card is used to store warning message.
6. intelligent light time domain according to claim 5 reflectometer, it is characterised in that described intelligent light time domain reflectometer is also
Including print module, the input of described print module electrically connects with the 6th output end of micro-chip processor, described printing
Module is used to print the analyze data in S2.
7. the intelligent light time domain reflectometer according to any claim in claim 1,2,4 or 6, it is characterised in that institute
The intelligent light time domain reflectometer stated also includes short distance wireless data transport module, described short distance wireless data transport module
Input electrically connected with the 7th output end of micro-chip processor, described short distance wireless data transport module be used for will analysis
Data are sent to mobile terminal by way of being wirelessly transferred.
8. intelligent light time domain according to claim 7 reflectometer, it is characterised in that described short distance wireless data transmission
Module is WiFi module or bluetooth module.
9. the intelligent light time domain reflectometer according to any claim in claim 1,2,4,6 or 8, it is characterised in that
Described intelligent light time domain reflectometer also includes power supply, and described power supply is powered for intelligent light time domain reflectometer.
10. intelligent light time domain according to claim 9 reflectometer, it is characterised in that described intelligent light time domain reflectometer
Also include URAT interfaces, the output end of described URAT interfaces electrically connects with the 4th input of micro-chip processor, described
URAT interfaces are used to carry out burning program to micro-chip processor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711037802.XA CN107749776A (en) | 2017-10-30 | 2017-10-30 | A kind of intelligent light time domain reflectometer for optical cable O＆M |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711037802.XA CN107749776A (en) | 2017-10-30 | 2017-10-30 | A kind of intelligent light time domain reflectometer for optical cable O＆M |
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