CN207318049U - A kind of auxiliary device of Cable's Fault diagnosis - Google Patents
A kind of auxiliary device of Cable's Fault diagnosis Download PDFInfo
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- CN207318049U CN207318049U CN201721225863.4U CN201721225863U CN207318049U CN 207318049 U CN207318049 U CN 207318049U CN 201721225863 U CN201721225863 U CN 201721225863U CN 207318049 U CN207318049 U CN 207318049U
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 64
- 238000012545 processing Methods 0.000 claims abstract description 21
- 238000005070 sampling Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 230000005693 optoelectronics Effects 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000001069 Raman spectroscopy Methods 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
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Abstract
It the utility model is related to a kind of auxiliary device of Cable's Fault diagnosis, including sensing optic cable, connect the auxiliary device of sensing optic cable and the computer of auxiliary connecting device, auxiliary device is respectively arranged on the left side and the right side computer connecting hole and sensing optic cable connecting hole, it is internally provided with optical cable temperature fault diagnostic system, optical cable temperature fault diagnostic system includes photo-coupler, light pulse modulator, laser, isochronous controller, optical splitter, optical filter, photoelectric converter, data acquisition and processing (DAP) module, photo-coupler, light pulse modulator, laser is sequentially connected and photo-coupler connects sensing optic cable by sensing optic cable connecting hole, laser and light pulse modulator connect computer and digital sampling and processing respectively by isochronous controller；The utility model precision is high, can lightly obtain the temperature field information of optical cable distribution, specifies the position of fault points of optical cables appearance, has broad application prospects in the temperature field measurement to Cable's Fault.
Description
Technical field
Optical cable field is the utility model is related to, more particularly to a kind of auxiliary device of Cable's Fault diagnosis.
Background technology
When the molecule of vibration ground state is energized into virtual stake by incident light, vibration excited state E2 is then return to, generation energy is h (υ
0- υ) Raman scattering, the frequency of scattered photon is 0 υ of υ, and this scattering is known as stokes scattering；Another kind is in vibration
The molecule of excitation state is energized into virtual stake by incident light, is then return to vibration ground state E1, and generation energy is that the Raman of h (υ 0+ υ) dissipates
Penetrate, the frequency of scattered photon is υ 0+ υ, and this scattering is known as anti-Storrs scattering.Storrs and anti-Storrs scatter light in frequency spectrum
Distribution on figure is generally symmetrical, and Anti2Stokes scattering light is temperature sensitive, its intensity is by temperature modulation, and Storrs
Scattering light is substantially temperature independent, and the ratio of both light intensity is only related with the temperature of fringe area.Therefore, usually all will this anti-support
This Raman scattering is used as signalling channel, as the Main Basiss for calculating temperature.And Storrs Raman scattering is often used as referring to
Passage, for the influence for the other factors such as abate the noise.The ratio of both light intensity of detection, it is possible to demodulate the temperature of fringe area
Information, and clear and definite fault points of optical cables, while can also effectively eliminate the unstable and optical fiber transmitting procedure of light source in time
In coupling loss, opticalfiber splicing loss, bending loss of optical fiber and fiber transmission attenuation etc. influence.
Utility model content
The utility model is in order to solve problem of the prior art, there is provided a kind of precision is high, can lightly obtain optical cable point
The temperature field information of cloth, specifies the position of fault points of optical cables appearance, has wide answer in the temperature field measurement to Cable's Fault
With the auxiliary device of the Cable's Fault diagnosis of prospect.
The concrete technical scheme of the utility model is as follows：A kind of auxiliary device of Cable's Fault diagnosis, including sense light
Cable, connects the auxiliary device of sensing optic cable and the computer of auxiliary connecting device, and the left and right sides of the auxiliary device is set respectively
There are computer connecting hole and sensing optic cable connecting hole, be internally provided with optical cable temperature fault diagnostic system；
The optical cable temperature fault diagnostic system includes photo-coupler, light pulse modulator, laser, isochronous controller,
Optical splitter, optical filter, photoelectric converter, data acquisition and processing (DAP) module, the photo-coupler, light pulse modulator, laser
Device is sequentially connected and photo-coupler connects sensing optic cable by sensing optic cable connecting hole, and the laser and light pulse modulator lead to
Cross isochronous controller and connect computer and digital sampling and processing, work of the light that laser is sent in light pulse modulator respectively
Under, the pulsed light of specific repetition rate and width is formed, pulsed light is connected to thermostat and sensor fibre by photo-coupler
On, in the transmitting procedure of pulsed light, the scattered light signal of different test points has part and is back to optocoupler along transmission light path
Clutch, the photo-coupler connect optical splitter, the light for being sensed sensing optic cable by optical splitter and by the light of two different frequencies
Separate, handled into different light paths, the optical splitter connects optical filter, and the optical filter connects opto-electronic conversion
Device, the photoelectric converter connect data acquisition and processing (DAP) module, and data acquisition and processing (DAP) mould carries out opto-electronic conversion and amplification, number
The data collected are handled according to processing, the data acquisition and processing (DAP) module connects computer.
It is the attached technical scheme of the utility model below.
Preferably, the optical filter is equipped with two, it is respectively the first and second optical filters, and described first
The light path that optical filter is connected with splitter is stokes light, and the light path that second optical filter is connected with splitter is anti-
Stokes light.
Preferably, the photoelectric converter is equipped with two, it is respectively the first and second photoelectric converters, described
First and second photoelectric converters connect the first and second optical filters respectively.
Preferably, the photoelectric converter is avalanche photodide.
Preferably, the computer has display screen, it can will obtain the spatial distribution of temperature by display screen
And shown with figure or form.
The technique effect of the utility model：The auxiliary device built-in system of the Cable's Fault diagnosis is stablized, and can connect respectively
Sensing optic cable and computer are connect, so that high by the diagnostic accuracy of auxiliary device, which can lightly obtain optical cable distribution
Temperature field information, so that the position that clear and definite fault points of optical cables occurs, the measurement in the temperature field to Cable's Fault is easy to operate,
It is easy to use, have broad application prospects.
Brief description of the drawings
Fig. 1 is the schematic diagram of the auxiliary device of the utility model Cable's Fault diagnosis.
Fig. 2 is the schematic diagram of the utility model optical cable temperature fault diagnostic system.
In figure：Sensing optic cable 1, auxiliary device 2, computer connect hole 21, and sensing optic cable connects hole 22, the diagnosis of optical cable temperature fault
System 3, photo-coupler 31, light pulse modulator 32, laser 33, optical splitter 34, optical filter 35, the first optical filter 351,
Second optical filter 352, photoelectric converter 36, the first photoelectric converter 361, the second photoelectric converter 362, data acquisition and place
Manage module 37, isochronous controller 38, computer 4.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
As shown in Fig. 1 to 2, a kind of auxiliary device of Cable's Fault diagnosis of the present embodiment, including sensing optic cable 1, even
The auxiliary device 2 of sensing optic cable 1 and the computer 4 of auxiliary connecting device 2 are connect, the left and right sides of the auxiliary device 2 is set respectively
There are computer connecting hole 21 and sensing optic cable connecting hole 22, be internally provided with optical cable temperature fault diagnostic system 3；
The optical cable temperature fault diagnostic system 3 includes photo-coupler 31, light pulse modulator 32, laser 33, synchronization
Controller 38, optical splitter 34, optical filter 35, photoelectric converter 36, data acquisition and processing (DAP) module 37, the photo-coupler
31, light pulse modulator 32, laser 33 is sequentially connected and photo-coupler 31 connects sense light by sensing optic cable connecting hole 22
Cable 1, the laser 31 and light pulse modulator 32 connect computer 4 and data acquisition process respectively by isochronous controller 38
Module 37, the light that laser 31 is sent form the pulsed light of specific repetition rate and width under the action of light pulse modulator,
Pulsed light is connected on thermostat and sensor fibre by photo-coupler, in the transmitting procedure of pulsed light, different test points
Scattered light signal has part and is back to photo-coupler along transmission light path, and the photo-coupler 31 connects optical splitter 34, passes through
Light that optical splitter senses sensing optic cable and the light of two different frequencies is separated, handled into different light paths, it is described
Optical splitter 34 connects optical filter 35, and the optical filter 35 connects photoelectric converter 36, and the photoelectric converter 36 connects number
According to collection and processing module 37, data acquisition and processing (DAP) mould carries out opto-electronic conversion and amplification, and data processing is to the data that collect
Handled, the data acquisition and processing (DAP) module 37 connects computer 4.
The optical filter 35 is equipped with two, it is respectively the first and second optical filters, first optical filter 351
The light path connected with splitter 34 is stokes light, and second optical filter 352 is anti-with the light path that splitter 35 is connected
Stokes light.
The photoelectric converter 36 is equipped with two, it is respectively the first and second photoelectric converters, and described first and second
Photoelectric converter connects the first and second optical filters respectively.
The photoelectric converter 36 is avalanche photodide.
The computer 4 has display screen, it can will obtain the spatial distribution of temperature by display screen and with figure or table
Case form is shown.
The operation principle of the utility model is, under the triggering of isochronous controller, the light that laser is sent is in light pulse tune
Under the action of device processed, form the pulsed light of specific repetition rate and width, pulsed light by photo-coupler be connected to thermostat and
On sensor fibre.In the transmitting procedure of pulsed light, the scattered light signal of different test points has part and is returned along transmission light path
Photo-coupler is back to, the Raman scattering of about 50 % can be optically coupled to light processing subsystem by photo-coupler, and Raman diffused light includes
The light of two frequencies, Stokes light（Stokes light）With AntiStokes light（Anti-Stokes light）, its frequency distribution exists
The both sides of incident light frequency, by optical splitter, the light of two different frequencies is separated, is handled into different light paths, by
Also it is mingled with other scattering light and interference light in light in scattering, so need to carry out two-way light certain bandpass filtering treatment,
The Raman diffused light and reference signal rear orientation light with temperature information are obtained, the rear orientation light of the two passages is through respective
APD (avalanche photodide) carry out opto-electronic conversion and amplification, data processing and display software then to the data that collect into
Row processing, is obtained the spatial distribution of temperature and is shown with figure or form, so that clear and definite Cable's Fault temperature is high
Trouble point.
The auxiliary device built-in system of the utility model Cable's Fault diagnosis is stablized, can connect respectively sensing optic cable and
Computer, so that high by the diagnostic accuracy of auxiliary device, which can lightly obtain the temperature field information of optical cable distribution, from
It is easy to operate and the position that clear and definite fault points of optical cables occurs is in the measurement in the temperature field to Cable's Fault, it is easy to use, have wide
Wealthy application prospect.
It is pointed out that above-mentioned preferred embodiment is only to illustrate the technical concepts and features of the utility model, its purpose
The content that is to allow person skilled in the art to understand the utility model is simultaneously implemented according to this, can not limit this reality with this
With new protection domain.All equivalent change or modifications made according to the utility model Spirit Essence, should all cover in this reality
Within new protection domain.
Claims (5)
1. a kind of auxiliary device of Cable's Fault diagnosis, including sensing optic cable, connect auxiliary device and the connection of sensing optic cable
The computer of auxiliary device, it is characterised in that：The auxiliary device is respectively arranged on the left side and the right side computer connecting hole and sensing
Optical cable connecting hole, is internally provided with optical cable temperature fault diagnostic system；
The optical cable temperature fault diagnostic system includes photo-coupler, light pulse modulator, laser, isochronous controller, light splitting
Device, optical filter, photoelectric converter, data acquisition and processing (DAP) module, the photo-coupler, light pulse modulator, laser according to
Secondary connection and photo-coupler connects sensing optic cable by sensing optic cable connecting hole, the laser and light pulse modulator pass through same
Step controller connects computer and digital sampling and processing, effect of the light that laser is sent in light pulse modulator respectively
Under, the pulsed light of specific repetition rate and width is formed, pulsed light is connected on thermostat and sensor fibre by photo-coupler,
In the transmitting procedure of pulsed light, the scattered light signal of different test points has part and is back to optical coupling along transmission light path
Device, the photo-coupler connect optical splitter, the light for sense sensing optic cable by optical splitter and divide the light of two different frequencies
To open, handled into different light paths, the optical splitter connects optical filter, and the optical filter connects photoelectric converter,
The photoelectric converter connects data acquisition and processing (DAP) module, and data acquisition and processing (DAP) mould carries out opto-electronic conversion and amplification, data
Handle and the data collected are handled, the data acquisition and processing (DAP) module connects computer.
2. the auxiliary device of Cable's Fault diagnosis as claimed in claim 1, it is characterised in that：The optical filter is equipped with two
A, it is respectively the first and second optical filters, and the light path that first optical filter is connected with splitter is stokes light,
The light path that second optical filter is connected with splitter is anti-Stokes light.
3. the auxiliary device of Cable's Fault diagnosis as claimed in claim 1, it is characterised in that：The photoelectric converter is equipped with
Two, it is respectively the first and second photoelectric converters, and first and second photoelectric converter connects first and second respectively
Optical filter.
4. the auxiliary device of Cable's Fault diagnosis as claimed in claim 1, it is characterised in that：The photoelectric converter is snow
Avalanche photo diode.
5. the auxiliary device of Cable's Fault diagnosis as claimed in claim 1, it is characterised in that：The computer has display
Screen, it can be shown the spatial distribution for obtaining temperature and with figure or form by display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721225863.4U CN207318049U (en) | 2017-09-23 | 2017-09-23 | A kind of auxiliary device of Cable's Fault diagnosis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721225863.4U CN207318049U (en) | 2017-09-23 | 2017-09-23 | A kind of auxiliary device of Cable's Fault diagnosis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207318049U true CN207318049U (en) | 2018-05-04 |
Family
ID=62383821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721225863.4U Expired - Fee Related CN207318049U (en) | 2017-09-23 | 2017-09-23 | A kind of auxiliary device of Cable's Fault diagnosis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207318049U (en) |
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2017
- 2017-09-23 CN CN201721225863.4U patent/CN207318049U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181123 Address after: 222200 No. 305 Happy Avenue, Guanyun County, Lianyungang City, Jiangsu Province Co-patentee after: State Grid Corporation of China Patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. GUANYUN COUNTY POWER SUPPLY BRANCH Address before: 222200 No. 4 Zhenxing North Road, Yishan Town, Guanyun County, Lianyungang City, Jiangsu Province Patentee before: Pan Ying |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 |
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| CF01 | Termination of patent right due to non-payment of annual fee |