CN207850574U - A kind of high pressure test area protective device using Fibre Optical Sensor - Google Patents
A kind of high pressure test area protective device using Fibre Optical Sensor Download PDFInfo
- Publication number
- CN207850574U CN207850574U CN201820018704.5U CN201820018704U CN207850574U CN 207850574 U CN207850574 U CN 207850574U CN 201820018704 U CN201820018704 U CN 201820018704U CN 207850574 U CN207850574 U CN 207850574U
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- Prior art keywords
- optical fiber
- high pressure
- test area
- pressure test
- master control
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Abstract
The utility model discloses a kind of high pressure test area protective devices using Fibre Optical Sensor; it further includes fiber sensing module; fiber sensing module includes laser light source, optical fiber, four long-period fiber grating and spectrometer; optical fiber surrounds rectangle high pressure test area along four infrared fence apparatus; one end of optical fiber is connect with laser emitter; the other end is connect with spectrometer, and at the center of optical fiber rectangular edges, centre wavelength is respectively λ from big to small for four long-period fiber grating difference weldings1、λ2、λ3And λ4, the data output interface of spectrometer and the processor module of master control set connect.The utility model has the beneficial effects that：Make the detection to illegal invasion personnel more accurate by increasing fiber sensing module, and sensor is used as by the long-period fiber grating of four kinds of centre wavelengths, can accurately determine the specific intrusion position of illegal invasion high pressure test area.
Description
Technical field
The utility model is related to technical field of electric power more particularly to a kind of high pressure test area using Fibre Optical Sensor to protect
Device.
Background technology
Power transmission and transforming equipment operation maintenance personnel periodically will carry out the high-pottings such as pressure resistance or shelf depreciation to equipment, cable, can also
Repairing high-voltage breaker experiment is carried out, several kilovolts even tens kilovolts of high voltage, experiment are will produce during these experiments
Environment is relative complex, and non-working person may be strayed into test area and cause personal injury, testing crew may be due to testing
In journey because equipment electric discharge flicker, change wiring, the change reasons such as equipment state in the case of no cut-out experiment power supply into
Enter test area, in turn result in the personal injury to testing crew, fence has telescopic band or line when carrying out high-potting in early days
Rope, due to that cannot alarm and automatically power off, may lead to related personnel's mistakenly entering into charged high pressure test area, cause considerable safety thing
Therefore and life and property loss.Fibre system uses the high pressure of Fibre Optical Sensor since its reliability is applied to sensor measuring field
Test area can enhance the monitoring to illegally entering high pressure test area.
201498072 U of Chinese patent Authorization Notice No. CN, authorized announcement date on 06 02nd, 2010, disclose one kind
Region anti-intrusion system based on fibre optic interferometer is related to the measurement of mechanical oscillation, the measurement of impact and pipe-line system technology neck
Domain, it includes:Light source, detector array, signal processor, alarm unit and fibre optic interferometer;Light source is by the I connections of transmission light path
Light path adapter, the output of light path adapter are sensed the fibre optic interferometer in each defence area of light path, optical fiber by the II connections of transmission light path
Interferometer again passes by transmission light path II around protection zone and takes back light path adapter after a week, and light path adapter is by transmission light
Road I connects detector array light input end, detector array output termination signal processor input terminal, and signal processor output is informed of a case
Alert unit.But the region anti-intrusion system that is used in above-mentioned patent is complicated, expensive, poor reliability, and when visiting
Measure accurately obtain when someone swarms into and swarm into location information, it is therefore desirable to a kind of simple in structure, reliability of design it is high and
The Fibre Optical Sensor high pressure test area protective device for swarming into location information can be obtained.
Utility model content
The technical problems to be solved in the utility model be how to design it is a kind of it is simple in structure, reliability is high and can obtain and rushes
Enter the Fibre Optical Sensor high pressure test area protective device of location information.
Used technical solution is the utility model in order to solve the above problem：A kind of high-potting using Fibre Optical Sensor
Locality protection device, the high pressure test area protective device for electric system generally include master control set and four infrared fences
Device, the master control set include processor module, wireless module, power-off modular and voice module, four infrared fences
Device surrounds closed rectangle high pressure test area and is controlled by the master control set, the master control set and described four infrared
Fence apparatus connects by radio communication, and when someone swarms into high pressure test area, the infrared fence apparatus is to the master control
Device sends radio signal, and the master control set after receiving radio signal alarm and timely cutoff high power supply,
The device further includes fiber sensing module, and the fiber sensing module includes laser light source, optical fiber, four long-period fiber grating
And spectrometer, the optical fiber surround rectangle high pressure test area along four infrared fence apparatus, one end of the optical fiber with swash
Optical transmitting set connects, and the other end is connect with spectrometer, and four long-period fiber grating distinguish welding in optical fiber rectangular edges
Center, centre wavelength are respectively λ from big to small1、λ2、λ3And λ4, the data output interface of the spectrometer and the master control fill
The processor module connection set.Long-period fiber grating is a kind of resistive filtering grating of transmission bands, when to extraneous presser sensor, when
Be under pressure compressing when, centre wavelength can shift, by the detection of the pressure to determine whether someone breaks in height
Test area is pressed, when the centre wavelength of a long-period fiber grating shifts, then judges that nearby someone swarms into the rectangular edges.
Preferably, the device further includes four pieces of cover boards, it is located on the four edges of rectangle optical fiber, for protecting long week
Phase fiber grating and expansion pressure sensitive range.
Preferably, the cover board is metal plate, the center of cover board bottom is equipped with the briquetting of rubber material, the pressure
Block is covered in long-period fiber grating.Soft rubber press is covered in long-period fiber grating so that fiber grating is not
It is damaged, improves the number of its reuse.
Preferably, the laser light source is the ASE light sources near 1550nm, spectrum covers λ1、λ2、λ3And λ4.Due to
For the spectral region of ASE1550nm light sources near 1520 ~ 1580nm, spectral width is wider so that central wavelength lambda1、λ2、λ3And λ4
Discrimination it is more preferable, thus can more accurately judge that personnel's breaks in position.
Preferably, the device further includes several optical fiber jackets, the optical fiber jacket is bending plastic pipe, is located at optical fiber
By the crooked position of near-infrared fence apparatus, optical fiber is passed through out of the optical fiber jacket pipe, so that optical fiber is from bending
Damage, while reducing the microbending loss of optical fiber.
The utility model has the beneficial effects that：Make the detection to illegal invasion personnel more by increasing fiber sensing module
It is accurate to add, and is used as sensor by the long-period fiber grating of four kinds of centre wavelengths, can accurately determine illegal invasion high pressure
The specific intrusion position of test area.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of high pressure test area protective device using Fibre Optical Sensor of the utility model.
In figure：1, master control set, 2, infrared fence apparatus, 3, laser light source, 4, optical fiber, 5, spectrometer, the 6, first length week
Phase fiber grating, the 7, second long-period fiber grating, 8, third long-period fiber grating, the 9, the 4th long-period fiber grating, 10,
Optical fiber jacket, 11, high pressure test area.
Specific implementation mode
Below by specific embodiment, and in conjunction with attached drawing, specific embodiment of the present utility model is made further specific
Explanation.
Fig. 1 is a kind of structural schematic diagram of high pressure test area protective device using Fibre Optical Sensor of the utility model, should
Device includes master control set 1 and four infrared fence apparatus 2, and master control set 1 includes processor module, wireless module, power-off mould
Block and voice module, four infrared fence apparatus 2 surround closed rectangle high pressure test area 11 and are controlled by master control set 1,
Master control set 1 is connect by radio communication with four infrared fence apparatus 2, infrared when someone swarms into high pressure test area 11
Fence apparatus 2 sends radio signal to master control set 1, and master control set 1 alarm simultaneously in time after receiving radio signal
Cutoff high power supply.The device further includes fiber sensing module, and fiber sensing module includes that laser light source 3, optical fiber are 4, four long
Period optical fiber grating, four cover boards, three optical fiber jackets 10 and spectrometer 5, optical fiber surround square along four infrared fence apparatus 2
Shape high pressure test area 11.Cover board is covered on four sides of rectangle optical fiber, and cover board is metal plate, and cover board is felt at ease in bottom
Briquetting equipped with rubber material, the briquetting are covered in long-period fiber grating.Optical fiber jacket 10 is bending plastic pipe, is located at
Optical fiber 4 leans on the crooked position of near-infrared fence apparatus 2, and optical fiber 4 is passed through out of the optical fiber jacket 10 pipe, so that optical fiber
4 damage from bending, while reducing the microbending loss of optical fiber.One end of optical fiber 4 is connect with laser emitter, the other end and spectrum
Instrument 5 connects.Laser light source 3 is the ASE light sources near 1550nm, and spectrum covers λ1、λ2、λ3And λ4, due to ASE1550nm light
For the spectral region in source near 1520 ~ 1580nm, spectral width is wider so that central wavelength lambda1、λ2、λ3And λ4Discrimination more
It is good, it thus can more accurately judge that personnel's breaks in position.Four long-period fiber grating distinguish welding in optical fiber
The center of rectangular edges, the first long-period fiber grating 6, the second long-period fiber grating 7, third long-period fiber grating 8 and
The centre wavelength of four long-period fiber grating 9 is respectively λ1、λ2、λ3And λ4, wherein λ1＞ λ2＞ λ3＞ λ4, the data of spectrometer 5
Output interface is connect with the processor module of master control set 1.When illegal invasion personnel are from 6 place light of the first long-period fiber grating
When fibre 4 nearby passes through, the cover board on optical fiber 4 is trampled, the centre wavelength of the first long-period fiber grating 6 shifts at this time,
Collected centre wavelength is transmitted to the processor module of master control set 1 by spectrometer 5, processor module by the centre wavelength with
λ1It is compared, if offset 5nm or more, identification have personnel to break in high pressure test area 11, master control set 1 carries out at this time
Alarm and in time cutoff high power supply.Above-mentioned high pressure test area protective device can also by set center wavelength shift amount come
Realize that difference is that personnel swarm into or toy is swarmed into, center wavelength shift amount, which is set as 300N weights, is pressed in long period optical fiber light
Center wavelength shift amount when on grid.
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any
Formal limitation, on the premise of not exceeding the technical scheme recorded in the claims also other variations and modifications.
Claims (5)
1. a kind of high pressure test area protective device using Fibre Optical Sensor, the high pressure test area protection dress for electric system
It sets and generally includes master control set and four infrared fence apparatus, the master control set includes processor module, wireless module, power-off
Module and voice module, four infrared fence apparatus surround closed rectangle high pressure test area and are controlled by the master control
Device, the master control set are connect by radio communication with four infrared fence apparatus, when someone swarms into high-potting area
When domain, the infrared fence apparatus sends radio signal to the master control set, and the master control set receives aerogram
Carry out alarming after number simultaneously timely cutoff high power supply, which is characterized in that and further include fiber sensing module, the fiber sensing module
Including laser light source, optical fiber, four long-period fiber grating and spectrometer, the optical fiber is surrounded along four infrared fence apparatus
One end of rectangle high pressure test area, the optical fiber is connect with laser emitter, and the other end is connect with spectrometer, described four long
Period optical fiber grating distinguishes welding at the center of optical fiber rectangular edges, and centre wavelength is respectively λ from big to small1、λ2、λ3And λ4, institute
The data output interface for stating spectrometer is connect with the processor module of the master control set.
2. a kind of high pressure test area protective device using Fibre Optical Sensor according to claim 1, which is characterized in that also
It including four pieces of cover boards, is located on the four edges of rectangle optical fiber, for protecting long-period fiber grating and expanding pressure sensitive
Range.
3. a kind of high pressure test area protective device using Fibre Optical Sensor according to claim 2, which is characterized in that institute
It is metal plate to state cover board, and the center of cover board bottom is equipped with the briquetting of rubber material, and the briquetting is covered in long period optical fiber
On grating.
4. a kind of high pressure test area protective device using Fibre Optical Sensor according to claim 1, which is characterized in that institute
It is the ASE light sources near 1550nm to state laser light source, and spectrum covers λ1、λ2、λ3And λ4。
5. a kind of high pressure test area protective device using Fibre Optical Sensor according to claim 3 or 4, feature exist
In further including several optical fiber jackets, the optical fiber jacket is bending plastic pipe, is located at optical fiber by the curved of near-infrared fence apparatus
Pars convoluta position, optical fiber are passed through out of the optical fiber jacket pipe, so that optical fiber is damaged from bending, while reducing the micro- of optical fiber
Curved loss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820018704.5U CN207850574U (en) | 2018-01-05 | 2018-01-05 | A kind of high pressure test area protective device using Fibre Optical Sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820018704.5U CN207850574U (en) | 2018-01-05 | 2018-01-05 | A kind of high pressure test area protective device using Fibre Optical Sensor |
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| CN207850574U true CN207850574U (en) | 2018-09-11 |
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| CN201820018704.5U Expired - Fee Related CN207850574U (en) | 2018-01-05 | 2018-01-05 | A kind of high pressure test area protective device using Fibre Optical Sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406767A (en) * | 2018-12-20 | 2019-03-01 | 博奥赛斯（天津）生物科技有限公司 | A kind of reading hold-down devices for chemical illumination immunity analysis instrument |
-
2018
- 2018-01-05 CN CN201820018704.5U patent/CN207850574U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406767A (en) * | 2018-12-20 | 2019-03-01 | 博奥赛斯（天津）生物科技有限公司 | A kind of reading hold-down devices for chemical illumination immunity analysis instrument |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20200105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |