CN103185648B - Fiber ring integration fixing platform for temperature calibration of distributed optical fiber temperature sensor - Google Patents
Fiber ring integration fixing platform for temperature calibration of distributed optical fiber temperature sensor Download PDFInfo
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- CN103185648B CN103185648B CN201310085499.6A CN201310085499A CN103185648B CN 103185648 B CN103185648 B CN 103185648B CN 201310085499 A CN201310085499 A CN 201310085499A CN 103185648 B CN103185648 B CN 103185648B
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- optical fiber
- platform
- optic loop
- temperature
- fiber optic
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 94
- 239000000835 fiber Substances 0.000 title claims abstract description 41
- 230000010354 integration Effects 0.000 title abstract 3
- 238000012360 testing method Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000002474 experimental method Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 17
- 239000004753 textile Substances 0.000 claims description 17
- 238000012937 correction Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 5
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001458 anti-acid effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a fiber ring integration fixing platform for temperature calibration of a distributed optical fiber temperature sensor. The fixing platform comprises eight optical fiber placing tables with same structures, wherein two optical fiber placing tables are laminated into a group; an optical fiber ring is placed between the bottom surfaces of the two optical fiber placement tables in the same group to form an optical fiber test platform, and the four optical fiber test platforms are in same structures; the four optical fiber test platforms are fixed inside a platform fixing rack; a transverse fixing rod is arranged at the upper end of the platform fixing rack; a standard thermometer fixing device is arranged on the transverse fixing rod; a hole is formed in the center of the bottom surface of each optical fiber placing table; a standard thermometer vertically penetrates through the bottoms of the four optical fiber test platforms from the holes; one end of the stand thermometer and one ends of the four optical fiber rings which are connected in series are connected into an industrial control computer; and the transverse platform fixing rod is fixed at two sides of a constant-temperature water tank. By adopting the fiber ring integration fixing platform, the problem that a plurality of temperature sensing optical fiber rings in the constant-temperature water tank and the standard thermometer can not measure the temperature of a same temperature field at the same time is solved; meanwhile, an optical fiber is prevented from being coiled inside the constant-temperature water tank; and the accuracy and the security of an calibration experiment are improved.
Description
Technical field
The present invention relates to a kind of calibration thermometric platform, particularly relate to a kind of integrated stationary platform of temperature correction fiber optic loop of distributed optical fiber temperature sensor.
Background technology
Distributed optical fiber temperature sensor, mainly uses temperature sensing optical fiber as temperature probe.Because optical fiber can while detection fiber be laid place's each point temperature, and there is antiacid anticorrosive resistant to elevated temperatures advantage, use so distributed optical fiber temperature sensor has been widely used in tunnel, subway, power plant, chemical plant etc. the large scale industry scene that legacy equipment cannot efficiently and accurately thermometric.Because the application scenario of distributed optical fiber temperature sensor is more and more, also more and more higher to the requirement of temperature measurement accuracy, therefore, put into effect corresponding calibrating standard, for manufacturer and user, all seem very urgent.
In temperature measurement calibrating system, conventionally use relative method to carry out transmission of quantity value for the calibration of thermometric utensil, use standard of measurement and the tested thermometric utensil of degree of precision grade to measure same temperature field water temperature, relatively temperature-measuring results, thereby differentiate the quality of measured temperature meter quality, and it is carried out to corresponding correction.Standard of measurement and tested thermometric utensil need be measured same temperature field water temperature, this is one of key of calibration, and owing to there not being the temperature correction platform designing for distributed optical fiber temperature sensor specially on market, cause in the time of actual alignment, there is larger error in calibration result, and has the problem that efficiency low accuracy is low while calibrating at the same time the thermometric effect of multiple fiber optic loop.
Summary of the invention
The object of the present invention is to provide a kind of integrated stationary platform of temperature correction fiber optic loop of distributed optical fiber temperature sensor, solve in Water Tank with Temp.-controlled multiple temperature sensing optical fiber rings and standard thermometer and cannot measure the problem of same temperature field temperature simultaneously, by integrated stationary platform, optical fiber and calibration cell internal mechanical structure are separated by simultaneously, prevent that optical fiber is involved in Water Tank with Temp.-controlled inside, improve accuracy and the security of calibration experiments.
For solving above technical matters, the present invention is achieved by the following technical solutions:
The present invention includes platform fixed mount, standard thermometer stationary installation, pull bar, standard thermometer, optical fiber mounting table, industrial computer, Water Tank with Temp.-controlled and horizontal platform fixed bar that multiple structure is identical; Eight optical fiber mounting tables that structure is identical, every two optical fiber mounting tables build up one group, between the bottom surface of two optical fiber mounting tables, place four identical test optical fiber platforms of fiber optic loop composition structure, each test optical fiber platform is placed respectively fiber optic loop, and four test optical fiber platforms are fixed in platform fixed mount; Horizontal fixed bar is equipped with in platform fixed mount upper end, laterally on fixed bar, standard thermometer stationary installation is housed, with fixed standard thermometer, the perforate of optical fiber mounting table bottom center, standard thermometer is therefrom vertically through four test optical fiber platform bottoms, fiber optic loop one end access industrial computer that standard thermometer one end is connected in series with four, horizontal platform fixed bar is fixed on Water Tank with Temp.-controlled both sides with bolt and nut.
Four test optical fiber platforms that described structure is identical, its bottom surface is that textile material is made, side is wrapped up by rectangular textile material, the even perforate in rectangular textile material one end, rectangular textile material perforate one end is connected with pull bar, the other end has columnar projections, and every pair of optical fiber mounting table is tightened by the perforate of rectangular textile material with cord; Pull bar along the circumferential direction moves, and perforate is coordinated to the cylinder that forms adjustable diameter with columnar projections.
Described test optical fiber platform is made up of two optical fiber mounting tables, and every pair of optical fiber mounting table is tightened by its side punching with cord, and fiber optic loop is clipped in wherein, makes, in the time of experiment, can guarantee that the position of fiber optic loop remains unchanged among a small circle.
Every pair of described optical fiber mounting table can be dismantled with pull bar, to adjust respectively radius.
The beneficial effect that the present invention has is:
The present invention is by the integrated stationary platform of fiber optic loop for temperature correction of a kind of distributed optical fiber temperature sensor of design, solve in Water Tank with Temp.-controlled multiple temperature sensing optical fiber rings and standard thermometer and cannot measure the problem of same temperature field temperature simultaneously, by integrated stationary platform, fiber optic loop and calibration cell internal mechanical structure are separated by simultaneously, prevent that optical fiber is involved in Water Tank with Temp.-controlled inside, improve accuracy and the security of calibration experiments.And because each layer of described optical fiber mounting table can be dismantled with pull bar, can conveniently adjust the radius of optical fiber mounting table, for the temperature correction experiment of the fiber optic loop of different size.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of optical fiber mounting table.
Fig. 3 is that cooperation Water Tank with Temp.-controlled of the present invention uses schematic diagram.
In figure: 1, platform fixed mount, 2, standard thermometer stationary installation, 3, pull bar, 4, standard thermometer, 5, fiber optic loop, 6, optical fiber mounting table, 7, industrial computer, 8, Water Tank with Temp.-controlled, 9, horizontal platform fixed bar.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention includes platform fixed mount 1, standard thermometer stationary installation 2, pull bar 3, standard thermometer 4, fiber optic loop 5, optical fiber mounting table 6, industrial computer 7, Water Tank with Temp.-controlled 8 and horizontal platform fixed bar 9 that multiple structure is identical; Eight optical fiber mounting tables 6 that structure is identical, every two optical fiber mounting tables 6 build up one group, between the bottom surface of two optical fiber mounting tables 6, place fiber optic loop 5 and form four test optical fiber platforms that structure is identical, each test optical fiber platform is placed respectively 5, four test optical fiber platforms of fiber optic loop and is fixed in platform fixed mount 1; Horizontal fixed bar 9 is equipped with in platform fixed mount 1 upper end, laterally on fixed bar 9, standard thermometer stationary installation 2 is housed, with fixed standard thermometer 4, the perforate of optical fiber mounting table 6 bottom center, standard thermometer 4 is therefrom vertically through four test optical fiber platform bottoms, standard thermometer 4 one end and four fiber optic loop that are connected in series, 5 one end access industrial computers 7, horizontal platform fixed bar 9 use bolt and nuts are fixed on Water Tank with Temp.-controlled 8 both sides.
Four test optical fiber platforms that described structure is identical, its bottom surface is that textile material is made, side is wrapped up by rectangular textile material, the even perforate in rectangular textile material one end, rectangular textile material perforate one end is connected with pull bar 3, the other end has columnar projections, and every pair of optical fiber mounting table 6 use cords are tightened by the perforate of rectangular textile material; Pull bar 3 along the circumferential direction moves, and perforate is coordinated to the cylinder that forms adjustable diameter with columnar projections.
Described standard thermometer stationary installation 2: comprise standard stationary fixture and for fixed position device on the lateral part at platform fixed mount 1.
Described test optical fiber platform: be made up of two optical fiber mounting table optical fiber mounting tables 6, every pair of optical fiber mounting table 6 can be tightened by its side punching with cord, and fiber optic loop 5 is clipped in wherein, makes, in the time of experiment, can guarantee that the position of fiber optic loop remains unchanged among a small circle.
Every pair of described optical fiber mounting table 6 can be dismantled with pull bar 3, to adjust respectively radius.
Embodiments of the present invention:
(1) length of the fiber optic loop 5 of calibration experiments as required, pull pull bar 3 to drive the side textile material of optical fiber mounting table 6, and with the columnar projections cooperation punching of optical fiber mounting table 6 sides, the radius of optical fiber mounting table 6 is controlled, the radius of optical fiber mounting table 6 and the radius of fiber optic loop 5 are adapted.
(2) fiber optic loop 5 is placed between two optical fiber mounting tables 6, two optical fiber mounting tables is tightened by its side punching with cord, prevent that fiber optic loop 5 from dropping out the integrated stationary platform of fiber optic loop.And because optical fiber mounting table 6 is that textile material is made, optical fiber can be by two optical fiber mounting table pinch ofves.Each test optical fiber platform can be placed fiber optic loop 5, and therefore the present invention can test the performance of multiple fiber optic loop simultaneously.
(3) use bolt and nut fixed lateral platform fixed bar 9 in Water Tank with Temp.-controlled both sides.
(4) changing horizontal level and the vertical height of standard thermometer 4 by standard thermometer stationary installation 2, is the temperature of same temperature field with what ensure that standard instruments and fiber optic loop 5 measure.
(5) fiber optic loop 5 is accessed to industrial computer 7, standard thermometer accesses industrial computer 7 by secondary instrument 9, opens Water Tank with Temp.-controlled 8 and distributed optical fiber temperature sensor, carries out thermometric experiment.
Above-mentioned embodiment is used for the present invention that explains, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, any amendment and change that the present invention is made, all fall into protection scope of the present invention.
Claims (4)
1. the integrated stationary platform of fiber optic loop for the temperature correction of distributed optical fiber temperature sensor, is characterized in that: comprise platform fixed mount (1), standard thermometer stationary installation (2), pull bar (3), standard thermometer (4), eight optical fiber mounting table (6), industrial computer (7), Water Tank with Temp.-controlled (8) and horizontal platform fixed bars (9) that structure is identical; Eight optical fiber mounting tables (6) that structure is identical, every two optical fiber mounting tables (6) bottom surface builds up one group relatively, between the bottom surface of two optical fiber mounting tables (6), place four identical test optical fiber platforms of fiber optic loop (5) composition structure, each test optical fiber platform is placed respectively fiber optic loop (5), and four test optical fiber platforms are fixed in platform fixed mount (1); Horizontal fixed bar (9) is equipped with in platform fixed mount (1) upper end, laterally on fixed bar (9), standard thermometer stationary installation (2) is housed, with fixed standard thermometer (4), the perforate of optical fiber mounting table (6) bottom center, standard thermometer (4) is therefrom vertically through four test optical fiber platform bottoms, fiber optic loop (5) one end access industrial computer (7) of standard thermometer (4) one end and four serial connections, horizontal platform fixed bar (9) is fixed on Water Tank with Temp.-controlled (8) both sides with bolt and nut.
2. the integrated stationary platform of fiber optic loop for the temperature correction of a kind of distributed optical fiber temperature sensor according to claim 1, it is characterized in that: four test optical fiber platforms that described structure is identical, its bottom surface is that textile material is made, side is wrapped up by rectangular textile material, the even perforate in rectangular textile material one end, rectangular textile material perforate one end is connected with pull bar (3), and the other end has columnar projections, and every group of optical fiber mounting table (6) tightened by the perforate of rectangular textile material with cord; Pull bar (3) along the circumferential direction moves, and perforate is coordinated to the cylinder that forms adjustable diameter with columnar projections.
3. the integrated stationary platform of fiber optic loop for the temperature correction of a kind of distributed optical fiber temperature sensor according to claim 1, it is characterized in that: described test optical fiber platform forms one group by two optical fiber mounting tables (6), every group of optical fiber mounting table (6) tightened by its side punching with cord, fiber optic loop (5) is clipped in wherein, make, in the time of experiment, can guarantee that the position of fiber optic loop remains unchanged among a small circle.
4. the integrated stationary platform of fiber optic loop for the temperature correction of a kind of distributed optical fiber temperature sensor according to claim 1, is characterized in that: every group of optical fiber mounting table (6) can be dismantled with pull bar (3), to adjust respectively radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085499.6A CN103185648B (en) | 2013-03-18 | 2013-03-18 | Fiber ring integration fixing platform for temperature calibration of distributed optical fiber temperature sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310085499.6A CN103185648B (en) | 2013-03-18 | 2013-03-18 | Fiber ring integration fixing platform for temperature calibration of distributed optical fiber temperature sensor |
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| CN103185648A CN103185648A (en) | 2013-07-03 |
| CN103185648B true CN103185648B (en) | 2014-09-24 |
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| CN201310085499.6A Expired - Fee Related CN103185648B (en) | 2013-03-18 | 2013-03-18 | Fiber ring integration fixing platform for temperature calibration of distributed optical fiber temperature sensor |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104897184B (en) * | 2015-06-19 | 2016-04-27 | 河海大学 | Buildings health of paddling perception distribution type fiber-optic calibration system and method |
| CN104977036B (en) * | 2015-06-19 | 2016-04-06 | 河海大学 | Hydro-structure safety monitoring optical fiber calibration system and method |
| CN109613669B (en) * | 2018-12-07 | 2020-10-16 | 东莞理工学院 | Distributed optical fiber reinforcing device with embedded structure and use method thereof |
| CN110057471A (en) * | 2019-04-01 | 2019-07-26 | 国网辽宁省电力有限公司电力科学研究院 | A kind of cable distribution optical fiber temperature measurement system calibration equipment and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001004461A (en) * | 1999-06-22 | 2001-01-12 | Kazuyoshi Hirai | Calibrator for thermometer |
| CN100494885C (en) * | 2006-12-21 | 2009-06-03 | 中国科学院电工研究所 | FBG strain transducer strain-wavelength calibrator in low-temperature liquid helium environment |
| CN201666828U (en) * | 2010-03-30 | 2010-12-08 | 中国计量学院 | Field temperature calibrating equipment of distributed optical fiber temperature sensor system |
| CN203116886U (en) * | 2013-03-18 | 2013-08-07 | 中国计量学院 | Optical fiber integration fixed platform for correcting temperature of distributed optical fiber temperature sensor |
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