CN106197487A - A kind of sensor of miter gate's crackle on-line detecting system and preparation method thereof - Google Patents
A kind of sensor of miter gate's crackle on-line detecting system and preparation method thereof Download PDFInfo
- Publication number
- CN106197487A CN106197487A CN201610579892.4A CN201610579892A CN106197487A CN 106197487 A CN106197487 A CN 106197487A CN 201610579892 A CN201610579892 A CN 201610579892A CN 106197487 A CN106197487 A CN 106197487A
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- optical fiber
- rigid protective
- protective box
- fiber
- reel
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- 208000037656 Respiratory Sounds Diseases 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title abstract description 4
- 239000013307 optical fiber Substances 0.000 claims abstract description 58
- 230000001681 protective effect Effects 0.000 claims abstract description 56
- 239000000835 fiber Substances 0.000 claims abstract description 50
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000000253 optical time-domain reflectometry Methods 0.000 claims abstract 3
- 238000000034 method Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 230000007774 longterm Effects 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G01D5/268—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 using optical fibres
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The invention discloses sensor of a kind of miter gate's crackle on-line detecting system and preparation method thereof, described sensor includes two rigid protective boxes and optical fiber, and described optical fiber has a plurality of, is laid between two rigid protective boxes；Described rigid protective box is circular, and the little fiber reel of circle of its internal fixing multiple a diameter of m being distributed in surrounding is big fiber reel with the circle of a diameter of n being positioned at center, and big fiber reel is used for assisting fixing optical fiber.The present invention utilizes multiple sensor and an OTDR module just can realize the crack detection to a panel region, considerably reduces the number of channels of OTDR module, thus reduces complexity and the cost that whole detecting system is built.The sensor of present invention design is effectively utilized fiber resource so that just can realize the multiple spot to crackle by an optical fiber and detect, and compares not only efficient quick with the detection method of conventional laying optical fiber, and also saves and take space.
Description
Technical field
The present invention relates to Hydraulic Metal health detection technical field, particularly to a kind of miter gate's crackle on-line checking
The sensor production method of system.
Background technology
The structural robustness of Miter Lock Gates is always faced with test in its work process, and wherein miter gate both sides are huge
Water pressure is poor, in miter gate's opening-closing process the extruding of current to problems such as the structural damage of door body and deformation under long term
There is crackle in the area of stress concentration that can make door body, and affects the operation reliably and with long-term of ship lock.
The method of traditional detection crackle is to utilize optical time domain reflectometer (OTDR) that with anticipated crackle, a piece optical fiber is become one
Determining angle to lay, the cabling of optical fiber is directly fixed in detected material surface, belongs to single-point detection, and one root optical fiber can only detect one
, when to when detecting in a big way, there is the splitting in the shortcomings, and miter gate such as waste fiber resource that take up room in individual crackle
Stricture of vagina is easily sent out region and is more disperseed, and adopts and builds the extra number of channels increasing OTDR module of system needs in this way, greatly increases
Add complexity and the cost of system building, and bring difficulty to follow-up signal process.
Summary of the invention
For solving the problems referred to above that prior art exists, present invention one to be designed can be saved fiber resource and reduce system
Sensor of miter gate's crackle on-line detecting system of the complexity built of system and cost and preparation method thereof.
To achieve these goals, technical scheme is as follows: the biography of a kind of miter gate's crackle on-line detecting system
Sensor, including two rigid protective boxes and optical fiber, described optical fiber has a plurality of, is laid between two rigid protective boxes；Described
Rigid protective box be circular and a diameter of d, side have multiple window, it is internal fixing multiple is distributed in a diameter of of surrounding
The little fiber reel of circle of m is big fiber reel with the circle of a diameter of n being positioned at center, and big fiber reel is used for assisting fixing light
Fine；
The diameter d of described rigid protective box and little fiber reel diameter m, the diameter n of big fiber reel meet following formula:
D=n+2m+a, wherein a is constant, and value is 6～8cm；
Two described rigid protective box structures are identical with size, respectively rigid protective box A and rigid protective box
B。
Further, two described rigid protective boxes and optical fiber are each attached on the surface of miter gate.
The manufacture method of the sensor of a kind of miter gate's crackle on-line detecting system, comprises the following steps:
A, in both sides, miter gate's crack detection region, fix rigid protective box A and rigid protective box B respectively, optical fiber drawn
Enter in rigid protective box A, and on the big fiber reel of rigid protective box A, be wound around some circles and fix；
B, optical fiber is incorporated on a little fiber reel of rigid protective box A winding i circle, wherein the value of i meets following public affairs
Formula:
Wherein, p is the size of the Event Dead Zone of the OTDR module demodulated, and m is the diameter of little fiber reel；
Then optical fiber is routed on crack detection region, and the fixing optical fiber of cylindrical base auxiliary is installed temporarily, then will
Optical fiber introduces in rigid protective box B；The optical fiber trend in crack detection region occurs direction to become 60～70 degree of angle obliques with crackle；
It is wound around i circle on C, the first little fiber reel in rigid protective box B, is then incorporated into the big light in rigid protective box B
It is wound around some circles on fine dish and fixes, then being wound around i circle on another the little fiber reel in rigid protective box B, finally by light
Fibre is routed on crack detection region, and installs the fixing optical fiber of cylindrical base auxiliary temporarily, optical fiber is reintroduced back to the most again
In rigid protective box A；The optical fiber trend in crack detection region is parallel with previous bar optical fiber；
D, lay according to crack detection region and require to repeat step B～C several times, and optical fiber is drawn rigid protective box A.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention is compared to traditional crack detecting method, utilizes multiple optical fiber crack sensor and an OTDR module
Just can realize the crack detection to a panel region, considerably reduce the number of channels of OTDR module, thus reduce whole
Complexity that detecting system is built and cost.
2, the optical fiber crack sensor of present invention design is effectively utilized fiber resource so that the most permissible by an optical fiber
Realize the multiple spot of crackle is detected, compare not only efficient quick with the detection method of conventional laying optical fiber, and also save right
Taking of space.
Accompanying drawing explanation
The present invention has accompanying drawing 1 width, wherein:
Fig. 1 is the internal structure schematic diagram of optical fiber crack detection sensor.
In figure: 1, rigid protective box A, 2, rigid protective box B, 3, big fiber reel A, 4, big fiber reel B, 5, little fiber reel A,
6, little fiber reel B, 7, little fiber reel C, 8, little fiber reel D, 9, cylindrical base A, 10, cylindrical base B, 11, cylindrical bottom
Seat C, 12, cylindrical base D, 13, optic fibre input end, 14, fiber-optic output.
Detailed description of the invention
Below with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail: should be appreciated that preferred embodiment
Only for the explanation present invention rather than in order to limit the scope of the invention.
The present invention adopts the technical scheme that: by being positioned at the big fiber reel in the center of circle and to be positioned at circumference attached inside rigid protective box
Near little fiber reel forms, and side has multiple window, and big fiber reel plays preliminary fixation, little fiber reel for being wound around
And draw optical fiber, fix a rigid protective box in both sides, crack detection region respectively, and use following method with special angle
Laying optical fiber.
As it is shown in figure 1, the sensor of miter gate's crackle on-line detecting system includes that two sides have the circle of multiple window
Shape rigid protective box A1, rigid protective box B2 and optical fiber, secure inside rigid protective box in multiple minimum being distributed in surrounding
Footpath is the little fiber reel of 3cm and is positioned at the big fiber reel that a minimum diameter is 6cm at center, and big fiber reel is used for assisting fixing
Optical fiber, the diameter d of rigid protective box is calculated by formula d=n+2m+a, and a is chosen as 8cm here, can obtain d=20cm.
The sensor production method of miter gate's crackle on-line detecting system, the steps include:
A, in both sides, crack detection region, fix rigid protective box A1, rigid protective box B2 respectively, optical fiber is defeated from optical fiber
Enter and be wound around some circles in end 13 introducing rigid protective box A1 and on big fiber reel A3 and fix；
B, optical fiber is incorporated on little fiber reel A5 winding i circle, wherein i calculates with following formula:
Wherein, p is chosen as 6m, m according to practical situation and is chosen as 3cm, is computed obtaining i=63；Then optical fiber is routed to
On crack detection region, and the fixing optical fiber of cylindrical base A9 and cylindrical base B10 auxiliary is installed temporarily, then optical fiber is introduced
In rigid protective box B2；
C, first winding 63 circle on little fiber reel C7, then move to be wound around some circles on big fiber reel B4 and fix, then pass through
Be wound around 63 circles on little fiber reel D8, after optical fiber is routed on crack detection region, and cylindrical base C11 and circle are installed temporarily
The fixing optical fiber of cylindrical base D12 auxiliary, introduces optical fiber in rigid protective box A1；Little fiber reel B6 is wound around 63 circles, then draws
On big fiber reel A3, it is wound around some circles and fixes；
D, lay according to detection region and require to repeat B～step C several times, and optical fiber is drawn just from fiber-optic output 14
Property protecting box A1.
Additionally, the optical fiber between rigid protective box A1 and rigid protective box B2 is in crack detection region and crackle generation side
Fix to becoming 60～70 degree of angle obliques.
The present invention is not limited to the present embodiment, any equivalent concepts in the technical scope of present disclosure or change
Become, be all classified as protection scope of the present invention.
Claims (3)
1. the sensor of miter gate's crackle on-line detecting system, it is characterised in that: include two rigid protective boxes and optical fiber,
Described optical fiber has a plurality of, is laid between two rigid protective boxes；Described rigid protective box is circular and a diameter of d, side
Face has multiple window, and its inside is fixed little fiber reel of circle of multiple a diameter of m being distributed in surrounding and is positioned at the one of center
The circular big fiber reel of individual a diameter of n, big fiber reel is used for assisting fixing optical fiber；
The diameter d of described rigid protective box and little fiber reel diameter m, the diameter n of big fiber reel meet following formula:
D=n+2m+a, wherein a is constant, and value is 6～8cm；
Two described rigid protective box structures are identical with size, respectively rigid protective box A (1) and rigid protective box B
(2)。
The sensor of a kind of miter gate's crackle on-line detecting system the most according to claim 1, it is characterised in that: described
Two rigid protective boxes and optical fiber are each attached on the surface of miter gate.
3. the manufacture method of the sensor of miter gate's crackle on-line detecting system, it is characterised in that: comprise the following steps:
A, in both sides, miter gate's crack detection region, fix rigid protective box A (1) and rigid protective box B (2) respectively, by optical fiber
Introduce in rigid protective box A (1), and on the big fiber reel of rigid protective box A (1), be wound around some circles and fix；
B, optical fiber is incorporated on a little fiber reel of rigid protective box A (1) winding i circle, wherein the value of i meets following public affairs
Formula:
Wherein, p is the size of the Event Dead Zone of the OTDR module demodulated, and m is the diameter of little fiber reel；
Then optical fiber is routed on crack detection region, and the fixing optical fiber of cylindrical base auxiliary is installed temporarily, then by optical fiber
Introduce in rigid protective box B (2)；The optical fiber trend in crack detection region occurs direction to become 60～70 degree of angle obliques with crackle；
Being wound around i circle on C, the first little fiber reel in rigid protective box B (2), be then incorporated in rigid protective box B (2) is big
It is wound around some circles on fiber reel and fixes, then being wound around i circle on another the little fiber reel in rigid protective box B (2), finally
Optical fiber is routed on crack detection region, and the fixing optical fiber of cylindrical base auxiliary is installed, the most again optical fiber the most again temporarily
Introduce in rigid protective box A (1)；The optical fiber trend in crack detection region is parallel with previous bar optical fiber；
D, lay according to crack detection region and require to repeat step B～C several times, and optical fiber is drawn rigid protective box A (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610579892.4A CN106197487B (en) | 2016-07-21 | 2016-07-21 | A kind of sensor and preparation method thereof of miter gate's crackle on-line detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610579892.4A CN106197487B (en) | 2016-07-21 | 2016-07-21 | A kind of sensor and preparation method thereof of miter gate's crackle on-line detecting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106197487A true CN106197487A (en) | 2016-12-07 |
| CN106197487B CN106197487B (en) | 2018-10-02 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610579892.4A Active CN106197487B (en) | 2016-07-21 | 2016-07-21 | A kind of sensor and preparation method thereof of miter gate's crackle on-line detecting system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201885707U (en) * | 2010-11-30 | 2011-06-29 | 上海光子光电传感设备有限公司 | Star-like sensing unit in health monitoring system of distributed optical fiber structure |
| CN202693879U (en) * | 2012-07-11 | 2013-01-23 | 中国船舶重工集团公司第七一五研究所 | Distribution type stress and temperature monitoring optical cable buried inside object |
| CN103063291A (en) * | 2012-12-28 | 2013-04-24 | 武汉光谷奥源科技有限公司 | Optical fiber micro-vibration sensor |
| CN103217109A (en) * | 2013-04-09 | 2013-07-24 | 河海大学 | Crack monitoring sensor and use method thereof based on OTDR (optical time domain reflectometry) technique |
| CN203572503U (en) * | 2013-10-18 | 2014-04-30 | 曾胜 | Optical-fiber optical-grating element installation device of side slope stability monitoring system |
| CN204331103U (en) * | 2014-11-27 | 2015-05-13 | 国家电网公司 | Optical fiber fiber management tray |
| CN104977031A (en) * | 2015-07-14 | 2015-10-14 | 中国电子科技集团公司第八研究所 | Fiber grating sensor packaging structure and packaging method |
-
2016
- 2016-07-21 CN CN201610579892.4A patent/CN106197487B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201885707U (en) * | 2010-11-30 | 2011-06-29 | 上海光子光电传感设备有限公司 | Star-like sensing unit in health monitoring system of distributed optical fiber structure |
| CN202693879U (en) * | 2012-07-11 | 2013-01-23 | 中国船舶重工集团公司第七一五研究所 | Distribution type stress and temperature monitoring optical cable buried inside object |
| CN103063291A (en) * | 2012-12-28 | 2013-04-24 | 武汉光谷奥源科技有限公司 | Optical fiber micro-vibration sensor |
| CN103217109A (en) * | 2013-04-09 | 2013-07-24 | 河海大学 | Crack monitoring sensor and use method thereof based on OTDR (optical time domain reflectometry) technique |
| CN203572503U (en) * | 2013-10-18 | 2014-04-30 | 曾胜 | Optical-fiber optical-grating element installation device of side slope stability monitoring system |
| CN204331103U (en) * | 2014-11-27 | 2015-05-13 | 国家电网公司 | Optical fiber fiber management tray |
| CN104977031A (en) * | 2015-07-14 | 2015-10-14 | 中国电子科技集团公司第八研究所 | Fiber grating sensor packaging structure and packaging method |
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| Publication number | Publication date |
|---|---|
| CN106197487B (en) | 2018-10-02 |
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