CN109099946A - A kind of fiber-optic grating sensor packaging system and method - Google Patents
A kind of fiber-optic grating sensor packaging system and method Download PDFInfo
- Publication number
- CN109099946A CN109099946A CN201810642523.4A CN201810642523A CN109099946A CN 109099946 A CN109099946 A CN 109099946A CN 201810642523 A CN201810642523 A CN 201810642523A CN 109099946 A CN109099946 A CN 109099946A
- Authority
- CN
- China
- Prior art keywords
- fiber
- pedestal
- optical fiber
- workbench
- prestressing force
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 92
- 239000013307 optical fiber Substances 0.000 claims abstract description 72
- 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 claims abstract description 55
- 239000000835 fiber Substances 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 239000003292 glue Substances 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 83
- 238000005538 encapsulation Methods 0.000 claims description 29
- 239000011159 matrix material Substances 0.000 claims description 24
- 238000003825 pressing Methods 0.000 claims description 17
- 239000007767 bonding agent Substances 0.000 claims description 10
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000010422 painting Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 4
- 206010037660 Pyrexia Diseases 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000032258 transport Effects 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
- G01D5/32—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 with attenuation or whole or partial obturation of beams of light
- G01D5/34—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35306—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
- G01D5/35309—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer
- G01D5/35316—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer using a Bragg gratings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Optical Transform (AREA)
Abstract
The present invention relates to a kind of fiber-optic grating sensor packaging systems, including pedestal, workbench, heating device, glue stations, two optical fiber clamp frameworks and prestressing force regulating device, prestressing force regulating device is set on the base, one in two optical fiber clamp frameworks is arranged on the output end of prestressing force regulating device, another is set on the base, the optical fiber clamp framework being arranged on prestressing force regulating device output end adjusts its spacing between another optical fiber clamp framework by the effect of prestressing force regulating device, workbench is arranged on the pedestal between two optical fiber clamp frameworks, heating device is arranged between pedestal and workbench.The beneficial effects of the present invention are: have many advantages, such as it is easy to operate, stable and reliable in work, can more careful adjusting, constant prestressing force can be applied to fiber-optic grating sensor；It can be realized and apply same prestressing force, fiber grating chirp and wave distortion are avoided, thus the stabilization and good consistency of guaranteed wavelength temperature characteristic.
Description
Technical field
The present invention relates to a kind of fiber grating sensing technologies, and in particular to a kind of fiber-optic grating sensor packaging system and side
Method.
Background technique
Fiber bragg grating (FBG) have small in volume, splice loss, splice attenuation is small, anti-electromagnetic interference capability is strong, sensitive
The features such as spending height, capable of being embedded to, and its resonance wavelength is quicker to the variation of the external environments such as temperature, strain, refractive index, concentration
Sense, and have good linear response, therefore be widely used in fiber optic communication and sensory field.Fiber grating is not by
Same packaged type can be made into strain transducer, temperature sensor, acceleration transducer, displacement sensor, pressure sensor, stream
The various kinds of sensors such as quantity sensor, liquid level sensor.And in recent years in, fiber-optic grating sensor is also widely used in building and water
Sharp engineering, bridge safety supervision, highway health detection etc..Currently, being widely used in aerospace, ship, electricity
In the fields such as power, medical treatment, civil engineering.But fiber grating nature limits its application in practice, in order to solve
This problem will usually be packaged fiber grating in practical applications, and protection and enhanced sensitivity are played the role of in encapsulation, with reference to text
It offers: [Shenyang research [D] Shenyang Aerospace University .2014.1-62 of Zhang Zhiyu optical fiber grating sensing encapsulation technology].
Since FBG is that ultraviolet light is written on the single-mode quartz optical fibers of removal coat, tiny matter is crisp, frangibility, and
Under rugged environment, exposed grating can be by the corrosion of acid or alkali, bibliography: [Wenchang gold, a kind of fiber grating of Li Yulong
Apply prestressed tube-packaged [J] .1002-5561 (2014) 06-0012-04] it then needs to add fiber grating one layer of encapsulation
Protection.When fiber grating is not by prestressing force, fiber grating is fixed in encapsulation matrix, grating cannot be good with encapsulation matrix
It is close to, can have certain bending towards any direction, then the drift of its central wavelength being measured cannot really reflect measured object
The induction of body parameter leads to the inaccuracy of sensor test signal, so to sum up can be used can apply prestressed packaging system
Grating is encapsulated, before fiber grating is fixed on encapsulation matrix, applies certain prestressing force to fiber grating, it is ensured that light
It is more bonded between fine grating and encapsulation matrix, so as to measure accurate signal value.
Currently, such issues that apply pretightning force is seldom considered, wherein individually to optical fiber when packaged fiber grating sensor
Optical grating axial applies prestressed packaging system and modes, the such methods such as suspension counterweight is used to be unable to continuous control external force substantially
Size, thus be all not quite similar to the applied pretightning force of the fiber-optic grating sensor of every group of encapsulation, to fiber grating can be made to pass
Numerical value measured by sensor has a certain impact.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of fiber-optic grating sensor packaging system and methods, to overcome
Above-mentioned deficiency in the prior art.
The technical scheme to solve the above technical problems is that a kind of fiber-optic grating sensor packaging system, including
Pedestal, workbench, heating device, glue stations, two optical fiber clamp frameworks and prestressing force regulating device, prestressing force regulating device
It is set on the base, one in two optical fiber clamp frameworks is arranged on the output end of prestressing force regulating device, another sets
It sets on pedestal, the optical fiber clamp framework being arranged on prestressing force regulating device output end passes through the effect of prestressing force regulating device
Its spacing between another optical fiber clamp framework is adjusted, workbench is arranged in the bottom between two optical fiber clamp frameworks
On seat, heating device is arranged between pedestal and workbench.
The beneficial effects of the present invention are: have many advantages, such as it is easy to operate, stable and reliable in work, can more careful adjusting, this
Packaging system can apply constant prestressing force to fiber-optic grating sensor, and can use in 0 DEG C~300 DEG C temperature ranges；It uses
It can be realized when the present apparatus is packaged fiber-optic grating sensor and apply same prestressing force, avoid fiber grating chirp and wave
Shape distortion, thus the stabilization and good consistency of guaranteed wavelength temperature characteristic.
Based on the above technical solution, the present invention can also be improved as follows.
It further, further include apparatus for adjusting position, apparatus for adjusting position is set on the base, and workbench is arranged in position tune
On regulating device, heating device is arranged between apparatus for adjusting position and workbench.
Further, apparatus for adjusting position includes X-axis regulating mechanism, Y-axis regulating mechanism and Z axis regulating mechanism, and X-axis adjusts machine
Structure is set on the base, and Y-axis regulating mechanism is arranged on X-axis regulating mechanism, and Z axis regulating mechanism is arranged on Y-axis regulating mechanism,
Heating device is arranged between Z axis regulating mechanism and workbench.
Further, X-axis regulating mechanism is the first screw rod guide rail mechanism, and Y-axis regulating mechanism is the second screw rod guide rail mechanism；The
One screw rod guide rail mechanism is set on the base, and the second screw rod guide rail mechanism is arranged on the sliding block of the first screw rod guide rail mechanism；Z axis
Regulating mechanism includes pedestal, platen, turnbarrel, moving leader and guide rod, and the second screw rod guide rail mechanism is arranged in pedestal
On sliding block, turnbarrel is movably fixed on pedestal by platen, and one end of moving leader and the thread in inner cavity of turnbarrel connect
It connects, the other end of moving leader is connected by heating device with workbench, and multiple guiding are equipped in pedestal and moving leader
Hole, socket joint has guide rod in each pilot hole, and other places are divided equally in pedestal and moving leader in the both ends of every guide rod.
It is using above-mentioned further beneficial effect: is adjusted workbench can along X-axis, Y-axis, Z axis, can will be carved with light
The optical fiber of grid is accurately bonded with encapsulation matrix.
Further, prestressing force regulating device is straight line screw rod guide rail mechanism, a setting in two optical fiber clamp frameworks
On the sliding block in straight line screw rod guide rail mechanism.
It is using above-mentioned further beneficial effect: easy to adjust and self-locking to that can carry out behind any position adjusting.
It further, further include fiber grating tension measuring device, fiber grating tension measuring device is set on the base.
It is using above-mentioned further beneficial effect: the level of tightness convenient for understanding the optical fiber for being carved with grating, so that being carved with
The optical fiber of grating is accurately bonded with encapsulation matrix.
It further, further include control device, display device and camera, camera is arranged on the table, camera
Acquire working face of the camera lens towards workbench, display device, camera, driving motor and optical fiber in straight line screw rod guide rail mechanism
Grating tension measuring device is electrically connected with control device respectively.
Be using above-mentioned further beneficial effect: camera for acquiring position of the grid region of optical fiber relative to substrate in real time
It sets, and acquired image is transmitted to control device, display device is finally transmitted to by control device and is shown, to grasp
Whether the grid region of author's observation optical fiber and substrate are convenient for adjusting to just to just.
Further, optical fiber clamp framework includes two bearing blocks, two unilateral bearings, clamp shaft, pressing plate and connection component,
Two bearing blocks are each attached on pedestal or the output end of prestressing force regulating device, and two unilateral bearings are separately fixed at two axis
It holds on seat, the both ends of clamp shaft are connected with the inner ring of two unilateral bearings respectively, and pressing plate is living by connection component and clamp shaft
Dynamic connection.
It is using above-mentioned further beneficial effect: can will be carved with the optical fiber of grating more with after apparatus for adjusting position cooperation
Accurately it is bonded with encapsulation matrix.
Further, connection component includes hinge and magnet, and one end of pressing plate is connected by hinge with clamp shaft, pressing plate
The other end is pull-in on clamp shaft by magnet.
A kind of packaging method of fiber-optic grating sensor, includes the following steps:
S1, matrix to be packaged is placed on the working face of workbench；
S2, the one end for being carved with the optical fiber of grating is passed through to the optical fiber clamp framework clamping being fixed on the base, then will carved
Have the other end of the optical fiber of grating successively allowed after the working face of workbench and fiber grating tension measuring device be fixed on it is pre-
It answers the optical fiber clamp framework on apparatus for adjusting force to clamp, rotates clamp shaft, make the optical fiber for being carved with grating exceptionally straight, and ensure to be carved with light
The grid region of the optical fiber of grid is located at right above the working face of workbench, prestressing force regulating device is finely tuned, when fiber grating tonometry
When the Tensity size shown on device meets encapsulation and requires, stop prestressing force regulating device；
S3, according to encapsulation matrix size, the working face of workbench is adjusted to close with grid region using Z axis regulating mechanism
Highly；
S4, adjusting X-axis regulating mechanism and Y-axis regulating mechanism make grid region just at encapsulation matrix surface, then adjust Z axis
Regulating mechanism, until being bonded encapsulation matrix just with grid region；
Bonding agent point is coated in the position that grid region is contacted with encapsulation matrix by S5, starting glue stations；
S6, starting heating device, heat bonding agent, make its rapid curing；
S7, after bonding agent solidification after, fiber-optic grating sensor can be obtained.
Be using above-mentioned further beneficial effect: have it is easy to operate, stable and reliable in work, can more it is careful adjust etc.
Advantage can apply constant prestressing force to fiber-optic grating sensor, can be realized application when being packaged to fiber-optic grating sensor
Same prestressing force avoids fiber grating chirp and wave distortion, thus the stabilization of guaranteed wavelength temperature characteristic and good
Consistency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fiber-optic grating sensor packaging system of the present invention；
Fig. 2 is the structural schematic diagram of optical fiber clamp framework of the present invention；
Fig. 3 is the structural schematic diagram of optical fiber clamp framework of the present invention and prestressing force regulating device；
Fig. 4 is the structural schematic diagram of X-axis regulating mechanism and Y-axis regulating mechanism of the present invention；
Fig. 5 is the structural schematic diagram of Z axis regulating mechanism of the present invention；
Fig. 6 is the structural schematic diagram of fiber grating tension measuring device of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1, pedestal, 2, workbench, 3, optical fiber clamp framework, 310, bearing block, 320, unilateral bearing, 330, clamp shaft,
340, pressing plate, 350, connection component, 351, hinge, 352, magnet, 4, prestressing force regulating device, 5, apparatus for adjusting position, 510, X
Axis regulating mechanism, 520, Y-axis regulating mechanism, 530, Z axis regulating mechanism, 531, pedestal, 532, platen, 533, turnbarrel,
534, moving leader, 535, guide rod, 6, fiber grating tension measuring device, 610, tensiometer, 620, auxiliary support frame, 630, solid
Determine block, 640, main backstop, 650, fixing piece, 7, display device, 8, camera.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, a kind of fiber-optic grating sensor packaging system, including pedestal 1, work
Make platform 2, heating device, glue stations, two optical fiber clamp frameworks 3 and prestressing force regulating device 4, prestressing force regulating device 4 to set
It sets on pedestal 1, one in two optical fiber clamp frameworks 3 is arranged on the output end of prestressing force regulating device 4, another sets
It sets on pedestal 1, the optical fiber clamp framework 3 being arranged on 4 output end of prestressing force regulating device passes through prestressing force regulating device 4
Effect adjust its (optical fiber clamp framework on prestressing force regulating device output end is set) and another optical fiber clamp framework 3 it
Between spacing, two optical fiber clamp frameworks 3 are positioned opposite.The preferably straight line screw rod guide rail mechanism of prestressing force regulating device 4, two
On one in optical fiber clamp framework 3 sliding block being arranged in straight line screw rod guide rail mechanism, workbench 2 is arranged in two light
On pedestal 1 between fine clamp system 3, heating device is arranged between pedestal 1 and workbench 2.
Fiber-optic grating sensor packaging system further includes apparatus for adjusting position 5, and apparatus for adjusting position 5 is arranged on pedestal 1,
Workbench 2 is arranged on apparatus for adjusting position 5.
The specific structure of used apparatus for adjusting position 5 is as follows in the present invention:
Apparatus for adjusting position 5 includes X-axis regulating mechanism 510, Y-axis regulating mechanism 520 and Z axis regulating mechanism 530, wherein X
Axis regulating mechanism 510 is arranged on pedestal 1, and Y-axis regulating mechanism 520 is arranged on X-axis regulating mechanism 510, Z axis regulating mechanism
530 are arranged on Y-axis regulating mechanism 520.
X-axis regulating mechanism 510 is preferably the first screw rod guide rail mechanism, and Y-axis regulating mechanism 520 is preferably also the second screw rod and leads
Rail mechanism, the first screw rod guide rail mechanism are arranged on pedestal 1, and the first screw rod guide rail mechanism is arranged in the second screw rod guide rail mechanism
On sliding block.Z axis regulating mechanism 530 includes pedestal 531, platen 532, turnbarrel 533, moving leader 534 and guide rod 535,
Pedestal 531 is arranged on the sliding block of the second screw rod guide rail mechanism, 532 sets of platen on turnbarrel 533, and turnbarrel 533
It is movably fixed on pedestal 531 by platen 532, turnbarrel 533 is arranged vertically, is set on the outer circumference surface of moving leader 534
There is external screw thread, the inner cavity of turnbarrel 533 is equipped with internal screw thread, one end of moving leader 534 and the inner cavity spiral shell of turnbarrel 533
The other end of line connection, moving leader 534 is connected by heating device with workbench 2, and moving leader 534 is arranged vertically, base
Multiple pilot holes are equipped in seat 531 and moving leader 534, socket joint has guide rod 535, every guide rod in each pilot hole
Other places are divided equally in pedestal 531 and moving leader 534 in 535 both ends, when rotating to turnbarrel 533, due to movement
To be threadedly coupled between guide rod 534 and turnbarrel 533, and under the action of multiple guide rod 535, so that moving leader 534
It is able to carry out vertical lifting, to complete the lifting to workbench 2.
Heating device is mainly made of fever tablet and heat insulation, and fever tablet and heat shield are mounted on 534 He of moving leader
Between workbench 2, fever tablet switch is opened after glue is painted with, workbench 2 is heated, to achieve the purpose that make the fast rapid-curing cutback of glue,
The heat that heat insulation prevents heating sheet from generating quickly is transmitted on other components of device to the normal work of other components and tune
Whole precision impacts, while being also prevented from heat and quickly dispersing, and heating glue, which is not achieved, makes the purpose of the fast rapid-curing cutback of glue.
Fiber-optic grating sensor packaging system further includes fiber grating tension measuring device 6, fiber grating tonometry dress
6 settings are set on pedestal 1, fiber grating tension measuring device 6 includes tensiometer 610, auxiliary support frame 620, fixed block 630, master
The lower end of support frame 640 and fixing piece 650, auxiliary 620 lower end of support frame and main backstop 640 passes through fixed block 630 and pedestal 1
It is connected, the upper end of auxiliary support frame 620 is connected with tensiometer 610, and the upper end of auxiliary support frame 620 is connected with fixing piece 650,
Tensiometer 610 is fixed under the action of fixing piece 650, when applying pretightning force to the optical fiber for being carved with grating, under normal conditions
It is to need to realize quantization measurement to the prestressing force for the inside of optical fibre for being carved with grating, prestressed size then can be by tensiometer 610
Measured, principle is 3 dynamometries, change when carrying out pretightning force measurement, to the inside of optical fibre prestressing force generation for being carved with grating
Change small measure.
Fiber-optic grating sensor packaging system further includes control device, display device 7 and camera 8, and the setting of camera 8 exists
On workbench 2, acquisition working face of the camera lens towards workbench 2 of camera 8, display device 7, camera 8, straight line screw rod guide rail
Driving motor and fiber grating tension measuring device 6 in mechanism are electrically connected with control device respectively, and camera 8 for adopting in real time
Collect position of the grid region of optical fiber relative to substrate, and acquired image is transmitted to control device, is finally passed by control device
It transports to display device 7 to be shown, whether the grid region for observing optical fiber so as to operator and substrate are convenient for adjusting to just to just.
Optical fiber clamp framework 3 includes two bearing blocks, 310, two unilateral bearings 320, clamp shaft 330, pressing plate 340 and connects
Connected components 350, two bearing blocks 310 are each attached on pedestal 1 or two bearing blocks 310 are each attached to prestressing force and adjust dress
It sets on 4 output end, i.e. two bearing blocks 310 are each attached on the sliding block in straight line screw rod guide rail mechanism, two unilateral bearings
320 are separately fixed on two bearing blocks 310, and the both ends of clamp shaft 330 are connected with the inner ring of two unilateral bearings 320 respectively
It connects, in the present embodiment, prestressing force regulating device 4 is fixed on the right end of pedestal 1, and one in two optical fiber clamp frameworks 3 sets
It sets in the left end of pedestal 1, another is arranged on the output end of prestressing force regulating device 4, and the fibre clip of 1 left end of pedestal is arranged in
Clamp shaft 330 in tight mechanism 3 can only rotate counterclockwise under the limitation of unilateral bearing 320, be arranged in prestressing force regulating device 4
On optical fiber clamp framework 3 in clamp shaft 330 can only be rotated clockwise under the limitation of unilateral bearing 320, pressing plate 340 passes through
Connection component 350 is flexibly connected with clamp shaft 330.
In the present invention, the specific structure of connection component 350 is as follows:
Connection component 350 includes hinge 351 and multiple magnet 352, and one end of pressing plate 340 passes through hinge 351 and clamp shaft
330 are connected, and the other end of pressing plate 340 is free end, and pressing plate 340 can carry out axial-rotation, multiple magnet around hinge 351
352 on clamp shaft 330, and the material of pressing plate 340 is the material for being easy to be attracted by magnet 352, when needing grip optical fiber,
Optical fiber is placed on clamp shaft 330, pressing plate 340 is rotated, crush board 340 is pull-in on clamp shaft 330 by magnet 352, thus
By fiber gripper, one layer of rubber glue film is pasted on the surface and clamp shaft 330 of pressing plate 340 and optical fiber contact and the surface of optical fiber contact
With increasing friction force, optical fiber can be clamped by the frictional force generated between rubber glue film.
Glue stations includes multiple storage glue containers, mixing vessel and glue applying mechanism, and the quantity of storage glue container makes as needed
The type of glue is determined, and will be stored up in the injection mixing vessel of the glue in glue container when in use, external force is sufficiently stirred
Uniformly after be supplied at glue applying mechanism carry out using.
There are many drilling on workbench 2, then different fixtures can be selected to be installed according to the structure size of encapsulation matrix
On workbench 2, usability of the invention is improved.
A kind of packaging method of fiber-optic grating sensor, includes the following steps:
S1, packaging system workbench 2 is arranged, adjusting Z axis regulating mechanism 530 reduces workbench 2, in the work of workbench 2
Make to place matrix to be packaged on face, and encapsulation matrix is located on the working face of workbench 2, is then ready for encapsulation bonding
Agent；
S2, the left end for being carved with the optical fiber of grating is placed in the optical fiber clamp framework 3 of 1 left end of pedestal, rotates clamp shaft
330, allow the optical fiber for being carved with grating to be wound on clamp shaft 330, when the grid region for the optical fiber for being carved with grating is located at right above workbench 2
When, stop rotating clamp shaft 330, will be carved with the right end of the optical fiber of grating then around in fiber grating tension measuring device 6
It is placed on after tensiometer 610 in prestressing force regulating device 4, rotates clamp shaft 330, whether observation fiber grating i.e. will be exceptionally straight, when
When being carved with the optical fiber of grating in exceptionally straight shape, stop clamp shaft 330, finely tunes prestressing force regulating device 4, utilize prestressing force regulating device
Spacing between the solid optical fiber clamp framework 3 and another optical fiber clamp framework 3 on it of 4 fine tunings, when fiber grating tension is surveyed
When the Tensity size that shows meets encapsulation and requires on amount device 6, stops prestressing force regulating device 4, be carved with the optical fiber of grating in list
Exceptionally straight state will be kept under to the limitation of bearing 320；
S3, according to encapsulation matrix size, the working face of workbench 2 is adjusted to grid region using Z axis regulating mechanism 530 and is connect
Close height；
S4, adjusting X-axis regulating mechanism 510 and Y-axis regulating mechanism 520 make grid region just at encapsulation matrix surface, then
Z axis regulating mechanism 530 is adjusted, until being bonded encapsulation matrix just with grid region；
Bonding agent point is coated in the position that grid region is contacted with encapsulation matrix by S5, starting glue stations；
S6, starting heating device, heat bonding agent, make its rapid curing；
S7, after bonding agent solidification, it is reversed to finely tune prestressing force regulating device 4, allow the optical fiber for being carved with grating to come up, i.e.,
Packaged fiber-optic grating sensor can be obtained.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of fiber-optic grating sensor packaging system, which is characterized in that including pedestal (1), workbench (2), heating device, painting
Adhesive dispenser, two optical fiber clamp frameworks (3) and prestressing force regulating device (4), the prestressing force regulating device (4) are arranged described
On pedestal (1), one in two optical fiber clamp frameworks (3) is arranged on the output end of the prestressing force regulating device (4), separately
One is arranged on the pedestal (1), the optical fiber clamp framework (3) being arranged on prestressing force regulating device (4) output end
Its spacing between another optical fiber clamp framework (3), the workbench are adjusted by the effect of prestressing force regulating device (4)
(2) it is arranged on the pedestal (1) between two optical fiber clamp frameworks (3), the heating device is arranged in pedestal (1)
Between workbench (2).
2. a kind of fiber-optic grating sensor packaging system according to claim 1, which is characterized in that further include that position is adjusted
Device (5), the apparatus for adjusting position (5) are arranged on the pedestal (1), and the workbench (2) is arranged in the position tune
On regulating device (5), the heating device is arranged between the apparatus for adjusting position (5) and workbench (2).
3. a kind of fiber-optic grating sensor packaging system according to claim 2, which is characterized in that the position adjusts dress
Setting (5) includes X-axis regulating mechanism (510), Y-axis regulating mechanism (520) and Z axis regulating mechanism (530), the X-axis regulating mechanism
(510) it is arranged on the pedestal (1), the Y-axis regulating mechanism (520) is arranged on the X-axis regulating mechanism (510), institute
It states Z axis regulating mechanism (530) to be arranged on the Y-axis regulating mechanism (520), Z axis regulating mechanism is arranged in the heating device
(530) between workbench (2).
4. a kind of fiber-optic grating sensor packaging system according to claim 3, which is characterized in that the X-axis adjusts machine
Structure (510) is the first screw rod guide rail mechanism, and the Y-axis regulating mechanism (520) is the second screw rod guide rail mechanism；First screw rod
Guide rail mechanism is arranged on the pedestal (1), and the first screw rod guide rail mechanism is arranged in the second screw rod guide rail mechanism
On sliding block；The Z axis regulating mechanism (530) includes pedestal (531), platen (532), turnbarrel (533), moving leader
(534) it is arranged on the sliding block of the second screw rod guide rail mechanism with guide rod (535), the pedestal (531), the turnbarrel
(533) it is movably fixed on the pedestal (531) by platen (532), one end of the moving leader (534) and the rotation
The thread in inner cavity of sleeve (533) connects, and the other end of the moving leader (534) passes through heating device and the workbench (2)
It is connected, multiple pilot holes is equipped in the pedestal (531) and the moving leader (534), there is socket joint in each pilot hole
Other places are divided equally in the pedestal (531) and the moving leader (534) in guide rod (535), the both ends of every guide rod (535)
It is interior.
5. a kind of fiber-optic grating sensor packaging system according to claim 1, which is characterized in that the prestressing force is adjusted
Device (4) is straight line screw rod guide rail mechanism, and one in two optical fiber clamp frameworks (3) is arranged in straight line screw rod guide rail mechanism
Sliding block on.
6. a kind of fiber-optic grating sensor packaging system according to claim 5, which is characterized in that further include fiber grating
Tension measuring device (6), the fiber grating tension measuring device (6) are arranged on the pedestal (1).
7. a kind of fiber-optic grating sensor packaging system according to claim 6, which is characterized in that further include control dress
It sets, display device (7) and camera (8), the camera (8) is arranged on the workbench (2), the camera (8)
Acquire working face of the camera lens towards the workbench (2), the display device (7), the camera (8), the straight line screw rod
Driving motor and the fiber grating tension measuring device (6) in guide rail mechanism are electrically connected with the control device respectively.
8. a kind of fiber-optic grating sensor packaging system according to claim 1-7, which is characterized in that the light
Fine clamp system (3) includes two bearing blocks (310), two unilateral bearings (320), clamp shaft (330), pressing plate (340) and connects
Connected components (350), two bearing blocks (310) are each attached to the output end of the pedestal (1) or the prestressing force regulating device (4)
On, two unilateral bearings (320) are separately fixed on two bearing blocks (310), and the both ends of the clamp shaft (330) are respectively with two
The inner ring of a unilateral bearing (320) is connected, and the pressing plate (340) is living by connection component (350) and the clamp shaft (330)
Dynamic connection.
9. a kind of fiber-optic grating sensor packaging system according to claim 8, which is characterized in that the connection component
It (350) include hinge (351) and magnet (352), one end of the pressing plate (340) passes through hinge (351) and the clamp shaft
(330) it is connected, the other end of the pressing plate (340) is pull-in on the clamp shaft (330) by magnet (352).
10. a kind of packaging method of fiber-optic grating sensor, which comprises the steps of:
S1, matrix to be packaged is placed on the working face of workbench (2)；
S2, the one end for being carved with the optical fiber of grating is clamped by the optical fiber clamp framework (3) being fixed on pedestal (1), then will
The other end for being carved with the optical fiber of grating successively allows after the working face of workbench (2) and fiber grating tension measuring device (6)
It is fixed on optical fiber clamp framework (3) on prestressing force regulating device (4) to clamp, rotate clamp shaft (330), allow the light for being carved with grating
It is fine exceptionally straight, and the grid region for ensuring to be carved with the optical fiber of grating is located at right above the working face of workbench (2), fine tuning prestressing force adjusts dress
(4) are set, when the Tensity size shown on fiber grating tension measuring device (6), which meets encapsulation, to be required, stops prestressing force and adjusts
Device (4)；
S3, according to encapsulation matrix size, the working face of workbench (2) is adjusted to grid region using Z axis regulating mechanism (530) and is connect
Close height；
S4, adjusting X-axis regulating mechanism (510) and Y-axis regulating mechanism (520) make grid region just at encapsulation matrix surface, then
It adjusts Z axis regulating mechanism (530), until being bonded encapsulation matrix just with grid region；
Bonding agent point is coated in the position that grid region is contacted with encapsulation matrix by S5, starting glue stations；
S6, starting heating device, heat bonding agent, make its rapid curing；
S7, after bonding agent solidification after, fiber-optic grating sensor can be obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810642523.4A CN109099946B (en) | 2018-06-21 | 2018-06-21 | Fiber grating sensor packaging device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810642523.4A CN109099946B (en) | 2018-06-21 | 2018-06-21 | Fiber grating sensor packaging device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109099946A true CN109099946A (en) | 2018-12-28 |
| CN109099946B CN109099946B (en) | 2021-01-15 |
Family
ID=64845005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810642523.4A Active CN109099946B (en) | 2018-06-21 | 2018-06-21 | Fiber grating sensor packaging device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109099946B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375879A (en) * | 2019-06-26 | 2019-10-25 | 广州大学 | A kind of FRP-FBG packaging system and localization method |
| CN111006700A (en) * | 2019-08-15 | 2020-04-14 | 南京邮电大学 | Fiber grating packaging device and packaging method |
| CN111039087A (en) * | 2019-12-26 | 2020-04-21 | 北京航天控制仪器研究所 | Method and system for controlling package tension of active fiber bragg grating of fiber laser hydrophone |
| CN111623811A (en) * | 2020-04-22 | 2020-09-04 | 西北大学 | High-temperature-resistant fiber grating sensor packaging device and method |
| CN112254751A (en) * | 2020-10-10 | 2021-01-22 | 衢州学院 | Packaging device of fiber grating sensor |
| CN114136349A (en) * | 2021-11-16 | 2022-03-04 | 西安交通大学 | High-temperature-resistant Bragg fiber grating sensor with variable sensing quantity and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080317401A1 (en) * | 2007-06-22 | 2008-12-25 | An-Bin Huang | Optic fiber bragg grating sensor |
| CN102636838A (en) * | 2012-05-16 | 2012-08-15 | 杭州联光电子有限公司 | Package method and device for fiber bragg grating with adjustable central wavelength and adjustable temperature coefficient |
| CN104596437A (en) * | 2015-01-12 | 2015-05-06 | 武汉理工大学 | Handheld adhesion tool for fiber bragg grating surface strain measurement and method |
| CN104729668A (en) * | 2015-04-10 | 2015-06-24 | 武汉理工大学 | Distributed type two-dimension fiber bragg grating vibrating sensor and manufacturing thereof |
| CN204480674U (en) * | 2014-12-31 | 2015-07-15 | 广东福地新视野光电技术有限公司 | A kind of 3 D auto motion |
| CN105583484A (en) * | 2015-12-16 | 2016-05-18 | 北京遥测技术研究所 | Optical fiber sensor glue-free packaging device and method |
| CN105651319A (en) * | 2016-01-05 | 2016-06-08 | 武汉理工大学 | Packaging device for applying constant pre-stress on fiber grating sensor |
-
2018
- 2018-06-21 CN CN201810642523.4A patent/CN109099946B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080317401A1 (en) * | 2007-06-22 | 2008-12-25 | An-Bin Huang | Optic fiber bragg grating sensor |
| CN102636838A (en) * | 2012-05-16 | 2012-08-15 | 杭州联光电子有限公司 | Package method and device for fiber bragg grating with adjustable central wavelength and adjustable temperature coefficient |
| CN204480674U (en) * | 2014-12-31 | 2015-07-15 | 广东福地新视野光电技术有限公司 | A kind of 3 D auto motion |
| CN104596437A (en) * | 2015-01-12 | 2015-05-06 | 武汉理工大学 | Handheld adhesion tool for fiber bragg grating surface strain measurement and method |
| CN104729668A (en) * | 2015-04-10 | 2015-06-24 | 武汉理工大学 | Distributed type two-dimension fiber bragg grating vibrating sensor and manufacturing thereof |
| CN105583484A (en) * | 2015-12-16 | 2016-05-18 | 北京遥测技术研究所 | Optical fiber sensor glue-free packaging device and method |
| CN105651319A (en) * | 2016-01-05 | 2016-06-08 | 武汉理工大学 | Packaging device for applying constant pre-stress on fiber grating sensor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375879A (en) * | 2019-06-26 | 2019-10-25 | 广州大学 | A kind of FRP-FBG packaging system and localization method |
| CN111006700A (en) * | 2019-08-15 | 2020-04-14 | 南京邮电大学 | Fiber grating packaging device and packaging method |
| CN111039087A (en) * | 2019-12-26 | 2020-04-21 | 北京航天控制仪器研究所 | Method and system for controlling package tension of active fiber bragg grating of fiber laser hydrophone |
| CN111623811A (en) * | 2020-04-22 | 2020-09-04 | 西北大学 | High-temperature-resistant fiber grating sensor packaging device and method |
| CN112254751A (en) * | 2020-10-10 | 2021-01-22 | 衢州学院 | Packaging device of fiber grating sensor |
| CN114136349A (en) * | 2021-11-16 | 2022-03-04 | 西安交通大学 | High-temperature-resistant Bragg fiber grating sensor with variable sensing quantity and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109099946B (en) | 2021-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109099946A (en) | A kind of fiber-optic grating sensor packaging system and method | |
| CN103115642B (en) | Optical fiber strain and temperature simultaneous calibration device and method based on Brillouin scattering | |
| CN103335603B (en) | A kind of distributive fiber optic strain factor calibration device and scaling method | |
| Peters et al. | Embedded optical fiber Bragg grating sensor in a nonuniform strain field: measurements and simulations | |
| CN105651319A (en) | Packaging device for applying constant pre-stress on fiber grating sensor | |
| Wieduwilt et al. | High force measurement sensitivity with fiber Bragg gratings fabricated in uniform-waist fiber tapers | |
| CN108895978A (en) | A kind of fibre optical sensor strain sensitivity scaling method based on bare fibre | |
| CN103309002A (en) | Capillary sensitivity enhancing packaging device capable of applying prestress to fiber grating | |
| CN104266743A (en) | Wavelength modulation optical fiber acoustic sensor | |
| CN204346467U (en) | A kind of fiber-optic grating sensor prestress loading adjusting device | |
| Yuan et al. | Sensitivity coefficient evaluation of an embedded fiber-optic strain sensor | |
| CN110160677A (en) | Non-contact optical fiber surface tension loads measuring device and measurement method | |
| CN104596437B (en) | Hand-held paste tool and method for fiber grating surface strain measurement | |
| Zhang et al. | Spider dragline silk-based FP humidity sensor with ultra-high sensitivity | |
| CN109883587B (en) | Polarization maintaining optical fiber fixed-axis fiber distribution device and method | |
| RU2456541C1 (en) | Linear displacement and vibration sensor | |
| WO2015178323A1 (en) | Pressure sensor | |
| CN1912564B (en) | Partial fibre-optical passive tester and its application | |
| Wolinski et al. | Simultaneous twist and pressure effects in highly birefringent single-mode bow-tie fibers | |
| CN102749288B (en) | Dynamic fiber double-refraction measuring instrument | |
| RU2559312C1 (en) | Converter of mechanical values to optical signal | |
| CN210119226U (en) | Static leveling device based on quantum weak value amplification | |
| CN103528734B (en) | Based on flexible rope load and the temperature simultaneously measuring sensor of FBG | |
| Yuan et al. | Fiber optic differential interferometer | |
| CN217359546U (en) | Optical fiber surface friction force testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230209 Address after: 312399 5th floor, A1 / F, Zhejiang University network new science and Technology Park, 2288 Jiangxi Road, Cao'e street, Shangyu District, Shaoxing City, Zhejiang Province Patentee after: Institute of advanced research Wuhan University of technology Shangyu District Shaoxing City Address before: 430070 Hubei Province, Wuhan city Hongshan District Luoshi Road No. 122 Patentee before: WUHAN University OF TECHNOLOGY |