CN106197486B - A kind of construction method of miter gate's optical fiber crack sensor - Google Patents
A kind of construction method of miter gate's optical fiber crack sensor Download PDFInfo
- Publication number
- CN106197486B CN106197486B CN201610578857.0A CN201610578857A CN106197486B CN 106197486 B CN106197486 B CN 106197486B CN 201610578857 A CN201610578857 A CN 201610578857A CN 106197486 B CN106197486 B CN 106197486B
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- Prior art keywords
- optical fiber
- rigid protective
- protective box
- crackle
- crack
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 55
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 52
- 208000037656 Respiratory Sounds Diseases 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 239000003292 glue Substances 0.000 claims abstract description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 230000003287 optical effect Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 206010011376 Crepitations Diseases 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 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
Abstract
The invention discloses a kind of construction methods of miter gate's optical fiber crack sensor, relate generally to optical fiber crack detection sensor installing, fixing, protecting in miter gate's door body and the collection of optical fiber cabling, lay and follow-up protection;The present invention includes the following steps:The processing of crack detection region surface;Determine fiber deployment position;Laying optical fiber;Seal rigid protective box;It is wired to monitoring room.The present invention is compared to traditional flaw detection system; use the covering of rigid protective box and the interior mode filled elastic gum, be laid with optical fiber with acrylic compounds AB glue; effective protection can be not only played to optical fiber crack sensor and detection fiber, but also is more optimized, rationally with presetting the cabling that angle is laid.The present invention considers the particularity of complex water areas environment, and occupied space is few, and the utilization of resources is more efficient, can also be realized to crackle measurement of length during follow-up crack detection.
Description
Technical field
The present invention relates to Hydraulic Metal health detection technical field, more particularly to a kind of miter gate's crackle on-line checking
The optical fiber crack sensor of system.
Background technology
The construction method of miter gate's crackle on-line detecting system relates generally to optical fiber crack sensor in herringbone door body
Installation, fixed collection, laying and protection with protection and optical fiber cabling;Traditional flaw detection system is often applied to concrete
In structure such as bridge, civil engineering, and the cabling of optical fiber is directly fixed in inside concrete, is protected without the concern for follow-up,
Detection zone is more concentrated, and also need not specially consider the collection of cabling.And miter gate works in water environment, miter gate two
The extruding of flow can all damage optical fiber crack sensor and naked fibre in the huge hydraulic pressure force difference in side, miter gate's opening-closing process
To destructive test system, and the crackle of miter gate easily sends out region relative distribution and is also required to rationally collect and protection cabling.
Invention content
To solve the above problem of the existing technology, the present invention will design a kind of cabling rationally and can shield
The construction method of miter gate's optical fiber crack sensor.
To achieve the goals above, technical scheme is as follows:A kind of construction of miter gate's optical fiber crack sensor
Method includes the following steps:
A, crack detection region surface is handled
It determines crack detection region, and polishes the steel plate of crackle detection zone, remove the attachment of surface of steel plate
And anti-decaying paint, expose conductive layer so that surfacing;
B, fiber deployment position is determined
It requires to determine the interval d between adjacent fiber according to crackle fixed length precision, and according to crack detection sensitivity requirement
Determine that optical fiber with it is expected that crackle generates the angle theta in direction, and marks multigroup cylindrical base fixed position and two on the steel plate
A rigid protective box installation site;Every group of cylindrical base fixed position is made of two mark points, and two mark points distinguish position
In the both sides of estimated crackle, with it is expected that the angle that crackle generates direction is θ, two adjacent groups two mark the line of two mark points
The line of point is mutually parallel and is divided into d;If two rigid protective boxes are rigid protective box A and rigid protective box B, rigid protective
The installation site of box A is located at the left side of multiple mark point lines on the left of estimated crackle, and the installation site of rigid protective box B is located at
It is expected that the right side of multiple mark point lines on the right side of crackle;
C, laying optical fiber
C1, rigid protective box A and rigid protective box B and multigroup cylindrical base are fixed by the mark position of step B
Onto steel plate;
C2, optical fiber a is introduced into rigid protective box B from extraction in rigid protective box A and by first group of cylindrical base,
Optical fiber a is fixed on the steel plate with acrylic compounds AB glue simultaneously;Optical fiber b is drawn from rigid protective box B and passes through second group
Cylindrical base is introduced into rigid protective box A, while being fixed optical fiber b on the steel plate with acrylic compounds AB glue;
C3, remaining optical fiber is laid according to the identical methods of step C2 and by remaining each group cylindrical base;
D, rigid protective box is sealed
Rigid protective box A and rigid protective box B are buckled well using protection cap, be used in combination elastic gum fill inside rigid protective box and
It is strictly sealed with marine glue;
E, it is wired to monitoring room
After acrylic compounds AB glue completely solidification, optic fibre input end and fiber-optic output that will be drawn from rigid protective box A
It is welded into armored optical cable, that is, completes the construction of an optical fiber crack sensor;By the armored optical cable of multiple optical fiber crack sensors
It extends near hanging ladder, is sent to monitoring room through multifiber cable.
In step B of the present invention, it is contemplated that multiple mark point lines of crackle side and multiple mark point lines of the other side are flat
Row.
In step E of the present invention, armored optical cable of the cabling in door body is fixed using clip, i.e., every a spacing in door body
From weld it is multiple rigidly fix ring seat, then armored optical cable is fixed using stainless steel lathe dog.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is compared to traditional flaw detection system, uses the covering of rigid protective box and interior fill elastic gum, uses
Acrylic compounds AB glue is laid with the mode of optical fiber, not only can play effective protection to optical fiber crack sensor and detection fiber, and
And more optimized, rationally with presetting the cabling that angle is laid.
2, the present invention considers the particularity of complex water areas environment, and occupied space is few, and the utilization of resources is more efficient, rear
It can also be realized to crackle measurement of length during continuous crack detection.
Description of the drawings
The present invention shares 2 width of attached drawing, wherein:
Fig. 1 is the cabling schematic diagram of miter gate's optical fiber crack sensor.
Fig. 2 is the connection diagram with monitoring room of miter gate's optical fiber crack sensor.
In figure:1, rigid protective box A, 2, rigid protective box B, 3, cylindrical base A, 4, cylindrical base B, 5, cylindrical
Pedestal C, 6, cylindrical base D, 7, optical fiber a, 8, optical fiber b, 9, optical fiber crack sensor, 10, armored optical cable, 11, multifiber cable,
12, optic fibre input end, 13, fiber-optic output.
Specific implementation mode
Below in conjunction with attached drawing, the preferred embodiment of the present invention is described in detail:It should be appreciated that preferred embodiment is only
In order to illustrate the present invention, the protection domain that is not intended to be limiting of the invention.As shown in Figs. 1-2, a kind of miter gate's optical fiber crackle
The construction method of sensor, it is characterised in that:Include the following steps:
A, crack detection region surface is handled
It determines crack detection region, and polishes the steel plate of crackle detection zone, remove the attachment of surface of steel plate
And anti-decaying paint, expose conductive layer so that surfacing;
B, fiber deployment position is determined
It requires to determine the interval d between adjacent fiber according to crackle fixed length precision, and according to crack detection sensitivity requirement
Determine that optical fiber with it is expected that crackle generates the angle theta in direction, and marks multigroup cylindrical base fixed position and two on the steel plate
A rigid protective box installation site;Every group of cylindrical base fixed position is made of two mark points, and two mark points distinguish position
In the both sides of estimated crackle, with it is expected that the angle that crackle generates direction is θ, two adjacent groups two mark the line of two mark points
The line of point is mutually parallel and is divided into d;If two rigid protective boxes are rigid protective box A1 and rigid protective box B2, rigidity is protected
The installation site of shield box A1 is located at the left side of multiple mark point lines on the left of estimated crackle, the installation position set of rigid protective box
The right side of multiple mark point lines on the right side of estimated crackle;It is expected that crackle side multiple mark point lines and the other side it is more
A mark point line is parallel;
C, laying optical fiber
C1, rigid protective box A1 and rigid protective box B2 and multigroup cylindrical base are consolidated by the mark position of step B
Determine onto steel plate;
C2, optical fiber a7 is drawn from rigid protective box A1 and by first group of cylindrical base (cylindrical base A3 and
Cylindrical base B4) it is introduced into rigid protective box B2, while being fixed optical fiber a7 on the steel plate with acrylic compounds AB glue;By optical fiber
B8 draws from rigid protective box B2 and is introduced by second group of cylindrical base (cylindrical base C5 and cylindrical base D6)
In rigid protective box A1, while optical fiber b8 being fixed on the steel plate with acrylic compounds AB glue;
C3, remaining optical fiber is laid according to the identical methods of step C2 and by remaining each group cylindrical base;
D, rigid protective box is sealed
Rigid protective box A1 and rigid protective box B2 are buckled well using protection cap, elastic gum is used in combination to fill inside rigid protective box
And it is strictly sealed with marine glue;
E, it is wired to monitoring room
After acrylic compounds AB glue completely solidification, optic fibre input end 12 and optical fiber output that will be drawn from rigid protective box A1
End 13 is welded into armored optical cable 10, that is, completes the construction of an optical fiber crack sensor 9;By multiple optical fiber crack sensors 9
Armored optical cable 10 extends near hanging ladder, is sent to monitoring room through multifiber cable 11:Armored optical cable 10 of the cabling in door body uses
Clip is fixed, i.e., welded at a certain distance in door body it is multiple rigidly fix ring seat, then use stainless steel lathe dog by armouring
Optical cable 10 is fixed.
The present invention is not limited to the present embodiment, any equivalent concepts in the technical scope of present disclosure or changes
Become, is classified as protection scope of the present invention.
Claims (3)
1. a kind of construction method of miter gate's optical fiber crack sensor, it is characterised in that:Include the following steps:
A, crack detection region surface is handled
It determines crack detection region, and polishes the steel plate of crackle detection zone, remove the attachment of surface of steel plate and prevent
Corruption paint, exposes conductive layer so that surfacing;
B, fiber deployment position is determined
It requires to determine the interval d between adjacent fiber according to crackle fixed length precision, and is determined according to crack detection sensitivity requirement
Optical fiber and marks multigroup cylindrical base fixed position and two just on the steel plate with it is expected that crackle generates the angle theta in direction
Property protecting box installation site;Every group of cylindrical base fixed position is made of two mark points, and two mark points are located at pre-
The both sides of crackle are counted, the line of two mark points is with it is expected that the angle that crackle generates direction is θ, and two adjacent groups two are across estimated
The line of the mark point of crackle is mutually parallel and is divided into d;If two rigid protective boxes are rigid protective box A (1) and rigidity is protected
Box B (2) is protected, the installation site of rigid protective box A (1) is located at the left side of multiple mark point lines on the left of estimated crackle, rigidity
The installation site of protecting box B (2) is located at the right side of multiple mark point lines on the right side of estimated crackle;
C, laying optical fiber
C1, rigid protective box A (1) and rigid protective box B (2) and multigroup cylindrical base are consolidated by the mark position of step B
Determine onto steel plate;
C2, optical fiber a (7) is drawn from rigid protective box A (1) and rigid protective box B is introduced by first group of cylindrical base
(2) in, at the same it is with acrylic compounds AB glue that optical fiber a (7) is fixed on the steel plate;Optical fiber b (8) is drawn from rigid protective box B (2)
Go out and be introduced into rigid protective box A (1) by second group of cylindrical base, while is with acrylic compounds AB glue that optical fiber b (8) are fixed
On the steel plate;
C3, remaining optical fiber is laid according to the identical methods of step C2 and by remaining each group cylindrical base;
D, rigid protective box is sealed
Rigid protective box A (1) and rigid protective box B (2) are buckled well using protection cap, elastic gum is used in combination to fill inside rigid protective box
And it is strictly sealed with marine glue;
E, it is wired to monitoring room
After acrylic compounds AB glue completely solidification, the optic fibre input end (12) and optical fiber output that will be drawn from rigid protective box A (1)
End (13) is welded into armored optical cable (10), that is, completes the construction of an optical fiber crack sensor (9);Multiple optical fiber crackles are sensed
The armored optical cable (10) of device (9) extends near hanging ladder, is sent to monitoring room through multifiber cable (11).
2. a kind of construction method of miter gate's optical fiber crack sensor according to claim 1, it is characterised in that:Step B
In, it is contemplated that multiple mark point lines of crackle side are parallel with multiple mark point lines of the other side.
3. a kind of construction method of miter gate's optical fiber crack sensor according to claim 1, it is characterised in that:Step E
In, armored optical cable (10) of the cabling in door body is fixed using clip, i.e., welds multiple rigidity at a certain distance in door body
Then fixed ring seat uses stainless steel lathe dog that armored optical cable (10) are fixed.
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CN201610578857.0A CN106197486B (en) | 2016-07-21 | 2016-07-21 | A kind of construction method of miter gate's optical fiber crack sensor |
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CN106197486A CN106197486A (en) | 2016-12-07 |
CN106197486B true CN106197486B (en) | 2018-08-31 |
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CN108108007B (en) * | 2017-12-21 | 2019-11-19 | 维沃移动通信有限公司 | A kind of processing method and mobile terminal reducing power consumption |
CN113624274B (en) * | 2021-07-06 | 2023-01-17 | 长江三峡通航管理局 | Herringbone door body underwater crack detection system and detection method |
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