CN105511013A - Auxiliary device for FBG (Fiber Bragg Grating) pasting - Google Patents
Auxiliary device for FBG (Fiber Bragg Grating) pasting Download PDFInfo
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- CN105511013A CN105511013A CN201510612374.3A CN201510612374A CN105511013A CN 105511013 A CN105511013 A CN 105511013A CN 201510612374 A CN201510612374 A CN 201510612374A CN 105511013 A CN105511013 A CN 105511013A
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- China
- Prior art keywords
- guide frame
- fiber grating
- frame right
- thickness control
- pretightning force
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The invention discloses an auxiliary device for FBG (Fiber Bragg Grating) pasting, and the device comprises an FBG guide rack, a pretightening force display, a pretightening force sensor, a guide rack left branch clamping mechanism, a guide rack right branch clamping mechanism, a pretightening force spiral loading mechanism, and a glue layer length and thickness control mechanism. The FBG guide rack forms an annular integrated structure through a guide rack left branch and a guide rack right branch. The guide rack left branch is provided with an FBG guide groove, and the outer side of the guide rack right branch is uniformly provided with a guide rack right branch FBG guide wheel. The guide rack left branch clamping mechanism is disposed on the guide rack left branch, and the guide rack right branch clamping mechanism is disposed on the guide rack right branch. The pretightening force sensor is disposed between the guide rack right branch clamping mechanism and the pretightening force spiral loading mechanism. The device facilitates the pasting of an FBG, and achieves accurate applying of a pretightening force and the control of the length and thickness of the FBG gluing layer. The guide rack right branch and the guide rack left branch are designed to be shaped like an arc, thereby reducing the size of the device and achieving a guide effect.
Description
Technical field
The present invention relates to a kind of sticker, be specifically related to a kind of servicing unit pasted for fiber grating.
Background technology
Existing fiber grating method of attaching mostly adopts manual directly method of attaching, need to apply certain pretightning force in the process of pasting fiber grating, existing technology generally adopts counterweight loading force, and the length thickness of adhesive controls mostly artificially, manual directly method of attaching like this, first, the pretightning force of loading can not accurately control, and in the process loaded, fiber grating also easily fractures by rocking of counterweight; Secondly, the sensitivity of adhesive length thickness to fiber grating has a significant impact, and directly pastes the length thickness that accurately can not ensure fiber grating adhesive manually, thus can not ensure the sticking effect of fiber grating.
Summary of the invention
The technical problem to be solved in the present invention is, above shortcomings are pasted for existing fiber grating, a kind of compact conformation, the simple and convenient servicing unit pasted for fiber grating are provided, be convenient to the stickup of fiber grating, realize the accurate applying of pretightning force and the control of fiber grating adhesive length thickness.
The present invention for solving the problems of the technologies described above adopted technical scheme is:
A kind of servicing unit pasted for fiber grating, comprise fiber grating guide frame, pretightning force display, pretightning force sensor, a guide frame left side clamp system, a guide frame right side clamp system, pretightning force spiral load maintainer, glue-line length thickness control gear, fiber grating guide frame forms a doughnut-shaped monolithic structure by a guide frame left side with the guide frame right side, a described guide frame left side is propped up and is offered fiber grating gathering sill, this gathering sill is used for ensureing that fiber grating is close to the body surface that is stuck, the outside that the described guide frame right side is propped up is laid with a guide frame right side fiber grating angle sheave, a described guide frame left side clamp system is arranged on left of guide frame, and a guide frame right side clamp system is arranged on the guide frame right side and props up,
Described pretightning force sensor is arranged on the guide frame right side and props up between clamp system and pretightning force spiral load maintainer, described pretightning force spiral load maintainer is connected by pretightning force spiral loading knob and screw rod and forms, pretightning force spiral loads knob and is arranged on right of guide frame, screw rod lower end is connected with the upper end of pretightning force sensor, and the lower end of pretightning force sensor is connected with a guide frame right side clamp system; Described pretightning force display is arranged on the side of fiber grating guide frame, the one end near pretightning force sensor;
Described glue-line length thickness control gear comprises fiber grating and pastes length thickness control enclosure, fiber grating pastes length thickness control head, fiber grating pastes length thickness control head fixed knob and fiber grating pastes length thickness control enclosure fixed knob, fiber grating is pasted length thickness control enclosure and is arranged on fiber grating stickup length thickness control head, fiber grating stickup length thickness control enclosure lower surface and fiber grating guide frame lower surface are at grade, fiber grating is pasted length thickness control head and is arranged on left of guide frame by fiber grating stickup length thickness control head fixed knob, fiber grating is pasted length thickness control enclosure fixed knob and is arranged on fixed fiber grating stickup length thickness control enclosure.
By such scheme, a described guide frame left side clamp system comprises a guide frame left side clamp cap and an a setting guide frame left side thereon clamp cap force button and a guide frame left side and props up clamp cap force application spring, a guide frame left side clamp cap is arranged on a guide frame left side and props up, and the inside surface that a guide frame left side clamp cap contacts with fiber grating is provided with rubber layer.
By such scheme, a described guide frame right side clamp system comprises a guide frame right side clamp cap, a guide frame right side clamping head, a guide frame right side clamping knob, the guide frame right side clamping bolt and clamping bolt force application spring, a described guide frame right side clamping head is by a guide frame right side clamping knob, a guide frame right side clamping bolt is connected with pretightning force sensor, clamping bolt force application spring is arranged on a guide frame right side clamping knob, between the clamping bolt of the guide frame right side, a guide frame right side clamp cap is connected with a guide frame right side clamping head, the surface of a guide frame right side clamp cap and optical fiber contact is provided with rubber layer.
By such scheme, the distribution radius of the bending radius of described gathering sill, a guide frame right side fiber grating angle sheave is identical and be all greater than the maximum flexible radius of fiber grating.
By such scheme, the described gathering sill degree of depth is slightly less than fiber grating diameter.
By such scheme, a described guide frame right side fiber grating angle sheave adopts cambered design.
The present invention compared with prior art has following beneficial effect:
1, fiber grating gathering sill is offered by propping up on a fiber grating guide frame left side, fiber grating is play the guiding role, and a guide frame left side radius is greater than the maximum flexible radius of fiber grating, prevent from being fractureed when installing and strain fiber grating, the gathering sill degree of depth is slightly less than fiber grating diameter, ensures that fiber grating is close to when straining the body surface that is stuck; A fiber grating right side angle sheave is uniformly distributed by propping up on the fiber grating guide frame right side, distribution radius is identical with a guide frame left side radius, a fiber grating right side angle sheave can reduce device and apply the friction force with fiber grating in pretightning force process, ensure the accuracy that pretightning force applies, also guarantee that fiber grating is not pulled off in the process applying pretightning force simultaneously;
2, the guide frame left side clamp cap that adopts of a guide frame left side clamp system, it is longer to ensure clamping effect with fiber grating contact length, simultaneously a guide frame left side clamp cap force button guide frame is left prop up the effect of clamp cap force application spring under apply clamping force;
3, the wedging power that a guide frame right side clamp system uses a guide frame right side clamping bolt to apply is applied in the clamp cap of the guide frame right side, optical fiber is placed between a guide frame right side clamp cap and a guide frame right side clamping head, thus grip optical fibers, the one side contacted with a guide frame right side clamping head in a guide frame right side clamp cap has one deck rubber layer, to shield to fiber grating, and increase friction force, ensure reliable clamping, simultaneously simple to operate, raise the efficiency;
4, adopt pretightning force spiral load maintainer, pretightning force spiral loads knob under applying External Force Acting, drives pretightning force sensor and a coupled guide frame right side clamp system to move up together, realizes the loading to fiber grating pretightning force; Rotate a circle when pretightning force spiral loads knob, screw rod moves a pitch, realizes the small control of the pretightning force applied on fiber grating with this;
5, the fiber grating of design pastes length thickness control enclosure, length thickness control head is pasted at fiber grating, under fiber grating pastes the acting in conjunction of length thickness control head fixed knob and fiber grating stickup length thickness control enclosure fixed knob, the length of glue-line and the control of thickness when realizing pasting fiber grating, the control that the position of length thickness control head in fiber grating stickup length thickness control enclosure realizes adhesive length is pasted by regulating fiber grating, wherein fiber grating stickup length thickness control head fixed knob and fiber grating paste the position that length thickness control enclosure fixed knob can distinguish fixed fiber grating stickup length thickness control head and fiber grating stickup length thickness control enclosure, prevent from being moved in the process of pasting, the control to pasting thickness is realized by the height pasting the colloid of filling in length thickness control enclosure at fiber grating,
6, one-piece construction of the present invention is simply compact, and mounting or dismounting are convenient, and part is replaced easily.
Accompanying drawing explanation
Fig. 1 is the structure front elevation of the servicing unit that the present invention pastes for fiber grating;
Fig. 2 is the structure rear view of the servicing unit that the present invention pastes for fiber grating;
Fig. 3 is the wiring layout that fiber grating stickup length thickness control enclosure and fiber grating paste length thickness control head;
Fig. 4 is the three-dimensional plot that fiber grating pastes length thickness control enclosure;
Fig. 5 is the three-dimensional plot that fiber grating pastes length thickness control head;
Fig. 6 is the sectional view of fiber grating guide frame;
Fig. 7 is the wiring layout of a guide frame right side clamp system;
Fig. 8 is the sectional view of a guide frame right side clamp system;
Fig. 9 is the three-dimensional plot of a guide frame left side clamp cap;
Figure 10 is the sectional view of a guide frame right side fiber grating angle sheave;
Wherein, 1-fiber grating guide frame, 2-pretightning force display, 3-pretightning force spiral loads knob, 4-pretightning force sensor, a 5-guide frame right side clamp cap, a 6-guide frame right side clamping head, a 7-guide frame right side clamping knob, a 8-guide frame right side fiber grating angle sheave, the 9-guide frame right side, 10-fiber grating pastes length thickness control enclosure, 11-fiber grating pastes length thickness control head, a 12-guide frame left side, a 13-guide frame left side clamp cap, a 14-guide frame left side clamp cap force button, a 15-guide frame left side clamp cap force application spring, 16-fiber grating pastes length thickness control head fixed knob, 17-fiber grating pastes length thickness control enclosure fixed knob, a 18-guide frame right side clamping bolt, 19-clamping bolt force application spring.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.
As shown in Fig. 1 ~ Figure 10, the servicing unit pasted for fiber grating of the present invention, comprise fiber grating guide frame 1, pretightning force display 2, pretightning force sensor 4, a guide frame left side clamp system, a guide frame right side clamp system, pretightning force spiral load maintainer, glue-line length thickness control gear, fiber grating guide frame 1 props up 9 by guide frame left 12 and the guide frame right side and forms a doughnut-shaped monolithic structure, a described guide frame left side is propped up on 12 and is offered fiber grating gathering sill, this gathering sill is used for ensureing that fiber grating is close to the body surface that is stuck, the outside that described guide frame is right 9 is laid with a guide frame right side fiber grating angle sheave 8, a described guide frame left side clamp system is arranged on guide frame left 12, and a guide frame right side clamp system is arranged on the guide frame right side and props up on 9,
Described pretightning force sensor 4 is arranged on the guide frame right side and props up between clamp system and pretightning force spiral load maintainer, described pretightning force spiral load maintainer is connected by pretightning force spiral loading knob 3 and screw rod and forms, pretightning force spiral loads knob 3 and is arranged on guide frame right 9, pretightning force spiral load maintainer can only rotary motion and axially can not move up and down (loading the size that knob 3 controls the pretightning force applied by rotating pretightning force spiral), screw rod lower end is connected with the upper end of pretightning force sensor 4, the lower end of pretightning force sensor 4 is connected with a guide frame right side clamp system, described pretightning force display 2 is arranged on the side of fiber grating guide frame 1, the one end (for showing the pretightning force size of applying) near pretightning force sensor 4,
Described glue-line length thickness control gear comprises fiber grating and pastes length thickness control enclosure 10, fiber grating pastes length thickness control head 11, fiber grating pastes length thickness control head fixed knob 16 and fiber grating pastes length thickness control enclosure fixed knob 17, fiber grating is pasted length thickness control enclosure 10 and is arranged on fiber grating stickup length thickness control head 11, fiber grating stickup length thickness control enclosure 10 lower surface and fiber grating guide frame 1 lower surface are at grade, fiber grating is pasted length thickness control head 11 and is arranged on guide frame left 12 by fiber grating stickup length thickness control head fixed knob 16, fiber grating is pasted length thickness control enclosure fixed knob 17 and is arranged on fixed fiber grating stickup length thickness control enclosure 10.
A described guide frame left side clamp system comprises a guide frame left side clamp cap 13 and an a setting guide frame left side thereon clamp cap force button 14 and a guide frame left side and props up clamp cap force application spring 15, a guide frame left side clamp cap 13 is arranged on a guide frame left side and props up on 12, the inside surface that a guide frame left side clamp cap 13 contacts with fiber grating is provided with rubber layer, this rubber layer can be guaranteed not damage optical fiber in the process of pressed fiber, fiber grating is shielded, a guide frame left side clamp cap force button 14 and a guide frame left side clamp cap force application spring 15 are for applying clamping force to a guide frame left side clamp cap 13, prevent fiber grating from sliding in gathering sill, fastening fiber grating.A guide frame left side clamp cap force button 14 coordinates with a guide frame left side clamp cap force application spring 15 the power applying guide frame left side clamp cap 13 grip optical fibers, a guide frame left side clamp cap 13 is longer to ensure clamping effect with fiber grating contact length, this kind of force application structure is easy to operate, uses simple.
A described guide frame right side clamp system comprises a guide frame right side clamp cap 5, a guide frame right side clamping head 6, a guide frame right side clamping knob 7, the guide frame right side clamping bolt 18 and clamping bolt force application spring 19, a described guide frame right side clamping head 6 is by a guide frame right side clamping knob 7, a guide frame right side clamping bolt 18 is connected with pretightning force sensor 4, clamping bolt force application spring 19 is arranged on a guide frame right side clamping knob 7, between the clamping bolt 18 of the guide frame right side, a guide frame right side clamp cap 5 is connected with a guide frame right side clamping head 6, the wedging power that a guide frame right side clamp system uses a guide frame right side clamping bolt 18 to apply is applied in the clamp cap 5 of the guide frame right side, optical fiber is placed between a guide frame right side clamp cap 5 and a guide frame right side clamping head 6, thus grip optical fibers, the one side contacted with a guide frame right side clamping head 6 in a guide frame right side clamp cap 5 has one deck rubber layer, to shield to fiber grating, and increase friction force, ensure reliable clamping.
The distribution radius of the bending radius of described gathering sill, a guide frame right side fiber grating angle sheave 8 is identical and be all greater than the maximum flexible radius of fiber grating.The described gathering sill degree of depth is slightly less than fiber grating diameter.The outer circumference surface of a guide frame right side fiber grating angle sheave 8 adopts cambered design, and as shown in Figure 10, when fiber grating is on this angle sheave, in the process applying pretightning force, this cambered design can guarantee fiber grating all the time in the middle part of this angle sheave.
The present invention offers fiber grating gathering sill by propping up on 12 on a fiber grating guide frame left side, fiber grating is play the guiding role, and a guide frame left side 12 radius are greater than the maximum flexible radius of fiber grating, prevent from being fractureed when installing and strain fiber grating, the gathering sill degree of depth is slightly less than fiber grating diameter, ensures that fiber grating is close to when straining the body surface that is stuck; A fiber grating right side angle sheave 8 is uniformly distributed by propping up on the fiber grating guide frame right side on 9, distribution radius is identical with a guide frame left side 12 radius, device can be reduced and applying the friction force with fiber grating in pretightning force process, ensure the accuracy that pretightning force applies, also guarantee that fiber grating is not pulled off in the process applying pretightning force simultaneously.
Adopt pretightning force spiral load maintainer, pretightning force spiral loads knob 3 under applying External Force Acting, drives pretightning force sensor 4 and a coupled guide frame right side clamp system to move up together, realizes the loading to fiber grating pretightning force; Rotate a circle when pretightning force spiral loads knob 3, screw rod moves a pitch, realizes the small control of the pretightning force applied on fiber grating with this.
The fiber grating of design pastes length thickness control enclosure 10, length thickness control head 11 is pasted at fiber grating, under fiber grating pastes the acting in conjunction of length thickness control head fixed knob 16 and fiber grating stickup length thickness control enclosure fixed knob 17, the length of glue-line and the control of thickness when realizing pasting fiber grating, the control that the position of length thickness control head 11 in fiber grating stickup length thickness control enclosure 10 realizes adhesive length is pasted by regulating fiber grating, wherein fiber grating pastes the position that length thickness control head fixed knob 16 and fiber grating stickup length thickness control enclosure fixed knob 17 difference fixed fiber grating stickup length thickness control head 11 and fiber grating paste length thickness control enclosure 10, prevent from being moved in the process of pasting, the control to pasting thickness is realized by the height pasting the colloid of filling in length thickness control enclosure 10 at fiber grating.
The present invention is not restricted to listed in instructions and embodiment utilization; for a person skilled in the art; can make various corresponding change and modification according to the present invention, and all these corresponding changes and modification all belong to the protection domain of the claims in the present invention.
Claims (6)
1. the servicing unit pasted for fiber grating, comprise fiber grating guide frame, pretightning force display, pretightning force sensor, a guide frame left side clamp system, a guide frame right side clamp system, pretightning force spiral load maintainer, glue-line length thickness control gear, fiber grating guide frame forms a doughnut-shaped monolithic structure by a guide frame left side with the guide frame right side, a described guide frame left side is propped up and is offered fiber grating gathering sill, this gathering sill is used for ensureing that fiber grating is close to the body surface that is stuck, the outside that the described guide frame right side is propped up is laid with a guide frame right side fiber grating angle sheave, a described guide frame left side clamp system is arranged on left of guide frame, and a guide frame right side clamp system is arranged on the guide frame right side and props up,
Described pretightning force sensor is arranged on the guide frame right side and props up between clamp system and pretightning force spiral load maintainer, described pretightning force spiral load maintainer is connected by pretightning force spiral loading knob and screw rod and forms, pretightning force spiral loads knob and is arranged on right of guide frame, screw rod lower end is connected with the upper end of pretightning force sensor, and the lower end of pretightning force sensor is connected with a guide frame right side clamp system; Described pretightning force display is arranged on the side of fiber grating guide frame, the one end near pretightning force sensor;
Described glue-line length thickness control gear comprises fiber grating and pastes length thickness control enclosure, fiber grating pastes length thickness control head, fiber grating pastes length thickness control head fixed knob and fiber grating pastes length thickness control enclosure fixed knob, fiber grating is pasted length thickness control enclosure and is arranged on fiber grating stickup length thickness control head, fiber grating stickup length thickness control enclosure lower surface and fiber grating guide frame lower surface are at grade, fiber grating is pasted length thickness control head and is arranged on left of guide frame by fiber grating stickup length thickness control head fixed knob, fiber grating is pasted length thickness control enclosure fixed knob and is arranged on fixed fiber grating stickup length thickness control enclosure.
2. the servicing unit pasted for fiber grating according to claim 1, it is characterized in that: a described guide frame left side clamp system comprises a guide frame left side clamp cap and an a setting guide frame left side thereon clamp cap force button and a guide frame left side and props up clamp cap force application spring, a guide frame left side clamp cap is arranged on a guide frame left side and props up, and the inside surface that a guide frame left side clamp cap contacts with fiber grating is provided with rubber layer.
3. the servicing unit pasted for fiber grating according to claim 1, it is characterized in that: a described guide frame right side clamp system comprises a guide frame right side clamp cap, a guide frame right side clamping head, a guide frame right side clamping knob, the guide frame right side clamping bolt and clamping bolt force application spring, a described guide frame right side clamping head is by a guide frame right side clamping knob, a guide frame right side clamping bolt is connected with pretightning force sensor, clamping bolt force application spring is arranged on a guide frame right side clamping knob, between the clamping bolt of the guide frame right side, a guide frame right side clamp cap is connected with a guide frame right side clamping head, the surface of a guide frame right side clamp cap and optical fiber contact is provided with rubber layer.
4. the servicing unit pasted for fiber grating according to claim 1, is characterized in that: the distribution radius of the bending radius of described gathering sill, a guide frame right side fiber grating angle sheave is identical and be all greater than the maximum flexible radius of fiber grating.
5. the servicing unit pasted for fiber grating according to claim 1, is characterized in that: the described gathering sill degree of depth is slightly less than fiber grating diameter.
6. the servicing unit pasted for fiber grating according to claim 1, is characterized in that: the outer circumference surface of a described guide frame right side fiber grating angle sheave adopts cambered design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612374.3A CN105511013B (en) | 2015-09-22 | 2015-09-22 | A kind of auxiliary device pasted for fiber grating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612374.3A CN105511013B (en) | 2015-09-22 | 2015-09-22 | A kind of auxiliary device pasted for fiber grating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105511013A true CN105511013A (en) | 2016-04-20 |
| CN105511013B CN105511013B (en) | 2018-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510612374.3A Expired - Fee Related CN105511013B (en) | 2015-09-22 | 2015-09-22 | A kind of auxiliary device pasted for fiber grating |
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| Country | Link |
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| CN (1) | CN105511013B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548773A (en) * | 2018-03-30 | 2018-09-18 | 河海大学 | Detect the auxiliary device and its application method of reinforcing bar stainless property under by curved state |
| CN110686611A (en) * | 2019-10-24 | 2020-01-14 | 天津大学 | Surface subsidence quasi-distributed monitoring device and method based on optical fiber sensing technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0856752A1 (en) * | 1997-01-29 | 1998-08-05 | Lucent Technologies Inc. | Magnetically tunable optical fiber gratings |
| WO2009056623A1 (en) * | 2007-10-31 | 2009-05-07 | Shell Internationale Research Maatschappij B.V. | Pressure sensor assembly and method of using the assembly |
| CN203696812U (en) * | 2013-10-17 | 2014-07-09 | 广州市地下铁道总公司 | Clamping device of fiber grating sensor |
| CN104596436A (en) * | 2015-01-12 | 2015-05-06 | 武汉理工大学 | Pasting and fixing device and method for magnetic-type optical fiber and optical grating strain sensor |
| 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 |
| CN204346467U (en) * | 2015-01-19 | 2015-05-20 | 西安科技大学 | A kind of fiber-optic grating sensor prestress loading adjusting device |
-
2015
- 2015-09-22 CN CN201510612374.3A patent/CN105511013B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0856752A1 (en) * | 1997-01-29 | 1998-08-05 | Lucent Technologies Inc. | Magnetically tunable optical fiber gratings |
| WO2009056623A1 (en) * | 2007-10-31 | 2009-05-07 | Shell Internationale Research Maatschappij B.V. | Pressure sensor assembly and method of using the assembly |
| CN203696812U (en) * | 2013-10-17 | 2014-07-09 | 广州市地下铁道总公司 | Clamping device of fiber grating sensor |
| CN104596436A (en) * | 2015-01-12 | 2015-05-06 | 武汉理工大学 | Pasting and fixing device and method for magnetic-type optical fiber and optical grating strain sensor |
| 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 |
| CN204346467U (en) * | 2015-01-19 | 2015-05-20 | 西安科技大学 | A kind of fiber-optic grating sensor prestress loading adjusting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548773A (en) * | 2018-03-30 | 2018-09-18 | 河海大学 | Detect the auxiliary device and its application method of reinforcing bar stainless property under by curved state |
| CN110686611A (en) * | 2019-10-24 | 2020-01-14 | 天津大学 | Surface subsidence quasi-distributed monitoring device and method based on optical fiber sensing technology |
| CN110686611B (en) * | 2019-10-24 | 2024-05-28 | 天津大学 | Surface subsidence quasi-distributed monitoring device and method based on optical fiber sensing technology |
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| Publication number | Publication date |
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| CN105511013B (en) | 2018-09-11 |
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Granted publication date: 20180911 Termination date: 20190922 |