CN104596436A - Pasting and fixing device and method for magnetic-type optical fiber and optical grating strain sensor - Google Patents
Pasting and fixing device and method for magnetic-type optical fiber and optical grating strain sensor Download PDFInfo
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- CN104596436A CN104596436A CN201510013886.8A CN201510013886A CN104596436A CN 104596436 A CN104596436 A CN 104596436A CN 201510013886 A CN201510013886 A CN 201510013886A CN 104596436 A CN104596436 A CN 104596436A
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Abstract
The invention discloses a pasting and fixing device for a magnetic-type optical fiber and optical grating strain sensor. The pasting and fixing device comprises a separation-type magnetic-attraction fixed block, an optical fiber clamping platform and a pre-tightening force control apparatus; the separation-type magnetic-attraction fixed block is composed of two adjustable magnetic-attraction blocks; the adjustable magnetic-attraction blocks are divided into a fixed-end magnetic-attraction block and a free-end magnetic-attraction block, the bottoms of the adjustable magnetic-attraction blocks are provided with optical fiber through holes, and the optical fiber through hole of the fixed-end magnetic-attraction block is slightly less than the diameter of the optical fiber so that the optical fiber is pressed and fixed; the optical fiber through hole of the free-end magnetic-attraction block is slightly more than the diameter of the optical fiber so that the optical fiber can be freely moved in the through hole of the free-end magnetic-attraction block; the optical fiber clamping platform is used for clamping the optical fiber pigtail extended from the free-end magnetic-attraction block; the pre-tightening force control apparatus is used for driving the optical fiber clamping platform to axially move along the optical fiber. According to the device and the method, the whole optical fiber and optical grating strain sensor is independently installed and operated by one person, when the optical fiber and optical grating adhesive is applied to a solidifying process, and pre-tightening force isn't manually and continuously applied to the optical fiber and the optical grating, thus the labor strength of an operator is reduced.
Description
Technical field
The invention belongs to sensory field of optic fibre, be specifically related to a kind of magnetic-type fiber Bragg grating strain sensor and paste stationary installation and method.
Background technology
Optical fiber Bragg raster is as a kind of novel optical sensor device, have that ordinary optic fibre transducer sensitivity is high, volume is little, quality is light, flexible, corrosion resistivity good, anti-electromagnetic interference capability is strong and be easy to the advantage such as multiplexing, and adopt wavelength-modulated due to it, transducing signal can not the distortion because of intensity loss, is to develop to obtain the most a kind of senser element at sensory field of optic fibre in recent years.Optical fiber Bragg raster centre wavelength can be directly strained modulation, and having good linear response, is very good strain measurement element.Nowadays, the strain measurement technique based on optical fiber Bragg raster has been widely applied in various Practical Project field.
At present, the technical method utilizing fiber grating to carry out body surface strain measurement both at home and abroad mainly contains two kinds: a kind of being pasted onto by fiber grating is carved with on the substrate of sulculus, by substrate by the strain transfer of structure on grating, as MOI company of the U.S. is proposed a kind of fiber Bragg grating strain sensor (source " http://www.micronopics.com.cn/sensors.htm ") adopting resin flake to encapsulate, the people such as Yu Xiujuan develop a kind of fiber Bragg grating strain sensor based on titanium alloy substrate package (list of references " strain of titanium alloy sheet packaged fiber grating sensor and thermometer sensor DS18B20 research ", derive from periodical " photoelectron. laser ", 2006, 17 volumes the 5th phase), another kind of then be directly the bare optical fibers and bare optical gratings bonding agent of un-encapsulated is pasted onto testee surface, this bonding method is applied more in scientific research and testing, surface-type fiber Bragg grating strain sensor strain transfer law study (list of references " research of surface-type fiber-optic grating sensor strain transfer " has been carried out as bare optical fibers and bare optical gratings is directly pasted onto on equi intensity cantilever by the people such as Wang Wei, Source Periodicals " laser and infrared ", 2008,38 volumes the 12nd phase).But, no matter be fiber grating is pasted onto on substrate or by it to be directly pasted onto testee surface, current barbola work is all strain fiber grating by hand, it is made to press close to surface to be measured, then coating adhesive, until bonding agent solidifies completely, need in whole process to strain fiber grating by hand always, operation easier is large, two people are often needed to coordinate, and pretightning force controls when cannot paste fiber grating, have a strong impact on accuracy, repeatability and consistance during fiber-optic grating sensor monitor strain.At present in contact strain measurement technique field, strain gauge adhesion in foil gauge electrical measuring method has had paste tool and the working specification of a set of maturation, and the stickup of fiber grating does not also have the method for attaching of a set of good instrument and specification, therefore in the urgent need to designing a kind of fiber grating paste tool measured for surface strain.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of magnetic-type fiber Bragg grating strain sensor to paste stationary installation and method, and whole operating process can single complete independently, increases work efficiency.
The present invention for solving the problems of the technologies described above taked technical scheme is: a kind of magnetic-type fiber Bragg grating strain sensor pastes stationary installation, it is characterized in that: it comprises separate type magnetic fixed block, fiber gripper platform and pre-tightening force adjusting device; Wherein
Separate type magnetic fixed block is made up of two pieces of adjustable magnetic blocks, by regulating magnetic flux, the optical fiber being carved with grating is pressed in testee surface; Described two adjustable magnetic blocks are divided into stiff end magnetic block and movable end magnetic block, all leave optical fiber reach through hole bottom the two; The optical fiber reach through hole of stiff end magnetic block is slightly less than fibre diameter, and optical fiber is secured in a press; The optical fiber reach through hole of movable end magnetic block, slightly larger than fibre diameter, makes optical fiber can be freely movable in the reach through hole of movable end;
The optical fiber pigtail that described fiber gripper platform stretches out for clamping movable end magnetic block;
Described pre-tightening force adjusting device is for driving fiber gripper platform along optical fiber axially-movable.
By said apparatus, described fiber gripper platform comprises bracing frame, bracing frame is provided with the clamping platform driven by described pre-tightening force adjusting device, clamping platform comprises 2 clamping plates by pinned connection, one of them clamping plate is provided with magnet, another clamping plate is provided with iron plate, clamps tail optical fiber by the suction of magnet and iron plate.
By said apparatus, described pre-tightening force adjusting device comprises rotating head, ratchet and screw mandrel, and screw mandrel is connected with described fiber gripper platform; The rotary motion of rotating head passes to screw mandrel by ratchet and does rectilinear motion, and this rectilinear motion is namely along optical fiber axially-movable.
By said apparatus, between described ratchet and screw mandrel, be provided with spring, the maximum moment can transmitted by adjustment spring force tension force control ratchet, thus realize the adjustment of pretightning force.
Utilize above-mentioned magnetic-type fiber Bragg grating strain sensor to paste stationary installation and realize a fixing method, it is characterized in that: it comprises the following steps:
S1, the optical fiber being carved with grating is laid in testee surface, grating alignment tested point, the optical fiber reach through hole of stiff end magnetic block is aimed at one end of optical fiber, be placed on testee surface, adjustment magnetic circuit is connected state, make the adhesive of stiff end magnetic block, thus fix the optical fiber in the optical fiber reach through hole of this stiff end magnetic block;
S2, the other end of optical fiber to be strained, grating alignment tested point, the optical fiber reach through hole of movable end magnetic block is aimed at optical fiber, be placed on testee surface, adjustment magnetic circuit is connected state, optical fiber lateral attitude in the optical fiber reach through hole of movable end magnetic block is fixed, but can be free to slide vertically;
S3, open fiber gripper platform, by the tail optical fiber clamping of optical fiber of being stretched out by movable end magnetic block;
S4, adjustment pre-tightening force adjusting device, make fiber gripper platform move axially along optical fiber, apply pretightning force;
S5, when reaching default pretightning force, stop the rotation pre-tightening force adjusting device, and fixed by latch mechanism;
S6, at fiber grating place coating adhesive, until bonding agent solidifies completely.
As stated above, in described S3, fiber gripper platform comprises bracing frame, bracing frame is provided with the clamping platform driven by described pre-tightening force adjusting device, clamping platform comprises 2 clamping plates by pinned connection, and one of them clamping plate is provided with magnet, and another clamping plate is provided with iron plate, tail optical fiber is arranged between two clamping plates, clamps tail optical fiber by the suction of magnet and iron plate.
As stated above, in described S4, pre-tightening force adjusting device comprises rotating head, ratchet and screw mandrel, and screw mandrel is connected with described fiber gripper platform; The rotary motion of rotating head passes to screw mandrel by ratchet and does rectilinear motion, and this rectilinear motion is namely along optical fiber axially-movable.
As stated above, in described S5, be provided with spring between ratchet and screw mandrel, the size of pretightning force is determined by the rigidity of spring and decrement, and the decrement of spring is regulated by end screw; When the ratchet in spinning head skids, then reach default pretightning force.
Beneficial effect of the present invention is:
1, by adopting apparatus of the present invention and method, whole fiber-optic grating sensor install operation process can single complete independently, and in fiber grating bonding agent solidification process, without the need to being manually continuously applied pretightning force to fiber grating, reduce the labour intensity of operating personnel, the stickup of next grating can be carried out simultaneously, improve work efficiency.
2, this paste tool is used one constant pretightning force can be set by the spring rate in ratchet device and decrement, carry out repeatedly surface strain utilizing fiber grating for same test block to measure, or when carrying out surface strain measurement for different test objects, keep fiber grating stickup pretightning force identical, improve the accuracy of the body surface strain measurement based on fiber grating, repeatability and consistance.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the right cut-open view of clamping platform of fiber gripper platform.
Fig. 4 is pre-tightening force adjusting device schematic diagram.
Fig. 5 is local interior's structural representation of pre-tightening force adjusting device.
In figure: 1-pre-tightening force adjusting device, 2-optical fiber, 3-first bracing frame, 4-bearing, 5-fiber gripper platform, 6-bearing, 7-second bracing frame, 8-testee, 9-movable end magnetic block, 10-grating, 11-stiff end magnetic block, 12-leading screw, 13-first guide rod, 14-second guide rod, 15-latch mechanism, the upper clamping plate of 16-, 17-trip bolt, 18-magnet, 19-bearing pin, clamping plate under 20-, 21-rotating head, 22-adjusts screw, 23-ratchet, 24-spring, 25-swing arm, 26-iron plate.
Embodiment
Below in conjunction with instantiation and accompanying drawing, the present invention will be further described.
Fig. 1 is the structural representation of one embodiment of the invention, and Fig. 2 is the vertical view of Fig. 1, and it comprises separate type magnetic fixed block, fiber gripper platform 5 and pre-tightening force adjusting device 1; Wherein separate type magnetic fixed block is made up of two pieces of adjustable magnetic blocks, by regulating magnetic flux, the optical fiber 2 being carved with grating 10 is pressed in testee 8 surface; Described two adjustable magnetic blocks are divided into stiff end magnetic block 11 and movable end magnetic block 9, optical fiber reach through hole is all left in the two bottom, the optical fiber reach through hole of stiff end magnetic block is slightly less than fibre diameter (the optical fiber reach through hole pore size of stiff end magnetic block 11 make optical fiber 2 be utilized friction force be fixed), and optical fiber is secured in a press; The optical fiber reach through hole of movable end magnetic block 9, slightly larger than fibre diameter (optical fiber 2 is freely movable in the optical fiber reach through hole of movable end magnetic block 9, play the guiding role when applying pretightning force), makes optical fiber can be freely movable in the reach through hole of movable end; The tail optical fiber of optical fiber 2 of fiber gripper platform 5 for clamping movable end magnetic block 9 and stretching out; Pre-tightening force adjusting device 1 is for driving fiber gripper platform 5 along optical fiber 2 axially-movable.
Fiber gripper platform 5 comprises bracing frame (the present embodiment comprises the first bracing frame 3 and the second bracing frame 7), bracing frame is provided with the clamping platform driven by described pre-tightening force adjusting device, clamping platform as shown in Figure 3, comprise 2 clamping plates connected by bearing pin 19, the present embodiment is upper clamping plate 16 and lower clamping plate 20, clamping plate 20 is wherein descended to be provided with magnet 18, upper clamping plate 16 is provided with iron plate 26, iron plate 26 is fixed on upper clamping plate 16 by trip bolt 17, clamps tail optical fiber by the suction of magnet 18 and iron plate 26.Tapped through hole and smooth bore is had in addition bottom lower clamping plate 20.
Pre-tightening force adjusting device 1 as shown in Figure 4 and Figure 5, comprises rotating head 21, ratchet 23 and screw mandrel 12, and screw mandrel 12 is connected with described fiber gripper platform 5; The rotary motion of rotating head 21 passes to screw mandrel 12 by ratchet 23 and does rectilinear motion, and this rectilinear motion is namely along optical fiber axially-movable.Be provided with spring 24 between ratchet 23 and screw mandrel 12, the size of pretightning force is determined by the rigidity of spring 24 and decrement, and the decrement of spring 24 regulates by adjusting screw 22.After optical fiber reaches default pretightning force, described leading screw 12 is fixed by latch mechanism 15.
Utilize above-mentioned magnetic-type fiber Bragg grating strain sensor to paste a fixing means for stationary installation realization, comprise the following steps:
S1, the optical fiber 2 being carved with grating 10 is laid in testee 8 surface, grating 10 aims at tested point, optical fiber reach through hole bottom stiff end 11 is aimed at the optical fiber of grating 10 one end, be placed on testee 8 surface, adjustment magnetic circuit is connected state, make the adhesive of stiff end magnetic block, thus fix the optical fiber in the optical fiber reach through hole of this stiff end magnetic block;
S2, strained a little by the optical fiber of grating 10 other end, grating 10 aims at tested point, and the optical fiber reach through hole bottom movable end magnetic block 9 is aimed at optical fiber, be placed on testee 8 surface, adjustment magnetic circuit is connected state, and the lateral attitude of this place's optical fiber is fixed like this, but can be free to slide vertically;
S3, open the upper clamping plate 16 of fiber gripper platform 5, the optical fiber 2 stretched out is placed in the groove of lower clamping plate 20, closed upper clamping plate 16, pressed fiber 2 by movable end magnetic block 9;
The rotating head 21 of S4, adjustment pre-tightening force adjusting device 1, makes fiber gripper platform 5 move along first, second guide rod 13,14, applies pretightning force; The object arranging first, second guide rod 13,14 is herein determine the axial direction of optical fiber;
S5, when ratchet (also can adopt friction disc substitute) 23 skids, then illustrate and reached default pretightning force, stop regulating rotating head 5 and pulling latch mechanism 15 fixing swing arm 25;
S6, at grating 10 place coating adhesive, until bonding agent solidifies completely.
Due to the surface adopting separate type adjustable magnetic suction block the two ends of grating 10 to be pressed on testee 8, make grating 10 can be close to testee 8 surface, the strain transfer of the glue-line reducing or eliminate between grating 10 and testee 8 surface loses, carry out the bonding solidification of grating 10 after applying pretightning force more simultaneously, maintain the tensioning state of fiber grating, both all substantially increase strain transfer efficiency when surface strain is measured.Whole operating process can single complete independently in addition, and in fiber grating bonding agent solidification process, without the need to being manually continuously applied pretightning force to fiber grating, reduces the labour intensity of operating personnel, can carry out the stickup of next grating simultaneously, improve work efficiency.
Because the size of the bottom optical fiber reach through hole of separate type adjustable magnetic suction block is fixing, so when each fiber grating is pasted, and the distance between testee surface is certain; In addition, rotary motion to be passed to the swing arm 25 with leading screw 12 by a pair ratchet (or friction disc) 23 by rotating head 21, fiber gripper platform 5 is driven to move along first, second guide rod 13,14, apply pretightning force, along with the rotation of rotating head 21, pretightning force constantly increases, when pretightning force reaches a certain value, the insufficient pressure that spring 24 in rotating head 21 is applied on a pair ratchet (or friction disc) 23 keeps engaging (or static friction) to make it, thus ratchet (or friction disc) 23 starts to skid, pretightning force keeps a steady state value.The size of constant pretightning force can by changing the rigidity of spring 24 or being arranged by the decrement regulating adjustment screw 22 to change spring 24.Once the rigidity of spring 24 and decrement are determined, the pretightning force being finally applied to fiber grating is just certain value.To sum up, use this instrument, carry out repeatedly surface strain utilizing fiber grating for same test block to measure, or when carrying out surface strain measurement for different test objects, keep the certain and fiber grating of the distance on fiber grating and testee surface to paste pretightning force necessarily, improve the accuracy of the body surface strain measurement based on fiber grating, repeatability and consistance.
Above embodiment is only for illustration of design philosophy of the present invention and feature, and its object is to enable those skilled in the art understand content of the present invention and implement according to this, protection scope of the present invention is not limited to above-described embodiment.So all equivalent variations of doing according to disclosed principle, mentality of designing or modification, all within protection scope of the present invention.
Claims (8)
1. magnetic-type fiber Bragg grating strain sensor pastes a stationary installation, it is characterized in that: it comprises separate type magnetic fixed block, fiber gripper platform and pre-tightening force adjusting device; Wherein
Separate type magnetic fixed block is made up of two pieces of adjustable magnetic blocks, by regulating magnetic flux, the optical fiber being carved with grating is pressed in testee surface; Described two adjustable magnetic blocks are divided into stiff end magnetic block and movable end magnetic block, all leave optical fiber reach through hole bottom the two; The optical fiber reach through hole of stiff end magnetic block is slightly less than fibre diameter, and optical fiber is secured in a press; The optical fiber reach through hole of movable end magnetic block, slightly larger than fibre diameter, makes optical fiber can be freely movable in the reach through hole of movable end;
The optical fiber pigtail that described fiber gripper platform stretches out for clamping movable end magnetic block;
Described pre-tightening force adjusting device is for driving fiber gripper platform along optical fiber axially-movable.
2. magnetic-type fiber Bragg grating strain sensor according to claim 1 pastes stationary installation, it is characterized in that: described fiber gripper platform comprises bracing frame, bracing frame is provided with the clamping platform driven by described pre-tightening force adjusting device, clamping platform comprises 2 clamping plates by pinned connection, one of them clamping plate is provided with magnet, another clamping plate is provided with iron plate, clamps tail optical fiber by the suction of magnet and iron plate.
3. magnetic-type fiber Bragg grating strain sensor according to claim 1 and 2 pastes stationary installation, and it is characterized in that: described pre-tightening force adjusting device comprises rotating head, ratchet and screw mandrel, screw mandrel is connected with described fiber gripper platform; The rotary motion of rotating head passes to screw mandrel by ratchet and does rectilinear motion, and this rectilinear motion is namely along optical fiber axially-movable.
4. magnetic-type fiber Bragg grating strain sensor according to claim 3 pastes stationary installation, it is characterized in that: be provided with spring between described ratchet and screw mandrel.
5. magnetic-type fiber Bragg grating strain sensor according to claim 1 pastes the fixing means that stationary installation realizes, and it is characterized in that: it comprises the following steps:
S1, the optical fiber being carved with grating is laid in testee surface, grating alignment tested point, the optical fiber reach through hole of stiff end magnetic block is aimed at one end of optical fiber, be placed on testee surface, adjustment magnetic circuit is connected state, make the adhesive of movable end magnetic block, thus fix the optical fiber in the optical fiber reach through hole of this stiff end magnetic block;
S2, the other end of optical fiber to be strained, grating alignment tested point, the optical fiber reach through hole of movable end magnetic block is aimed at optical fiber, be placed on testee surface, adjustment magnetic circuit is connected state, optical fiber lateral attitude in the optical fiber reach through hole of movable end magnetic block is fixed, but can be free to slide vertically;
S3, open fiber gripper platform, by the tail optical fiber clamping of optical fiber of being stretched out by movable end magnetic block;
S4, adjustment pre-tightening force adjusting device, make fiber gripper platform move axially along optical fiber, apply pretightning force;
S5, when reaching default pretightning force, stop the rotation pre-tightening force adjusting device, and fixed by latch mechanism;
S6, at fiber grating place coating adhesive, until bonding agent solidifies completely.
6. fixing means according to claim 5, it is characterized in that: in described S3, fiber gripper platform comprises bracing frame, bracing frame is provided with the clamping platform driven by described pre-tightening force adjusting device, clamping platform comprises 2 clamping plates by pinned connection, and one of them clamping plate is provided with magnet, and another clamping plate is provided with iron plate, tail optical fiber is arranged between two clamping plates, clamps tail optical fiber by the suction of magnet and iron plate.
7. fixing means according to claim 5, is characterized in that: in described S4, and pre-tightening force adjusting device comprises rotating head, ratchet and screw mandrel, and screw mandrel is connected with described fiber gripper platform; The rotary motion of rotating head passes to screw mandrel by ratchet and does rectilinear motion, and this rectilinear motion is namely along optical fiber axially-movable.
8. fixing means according to claim 7, is characterized in that: in described S5, be provided with spring between ratchet and screw mandrel, and the size of pretightning force is determined by the rigidity of spring and decrement, and the decrement of spring is regulated by screw; When the ratchet in spinning head skids, then reach default pretightning force.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511013A (en) * | 2015-09-22 | 2016-04-20 | 武汉理工大学 | Auxiliary device for FBG (Fiber Bragg Grating) pasting |
| CN105973159A (en) * | 2016-05-25 | 2016-09-28 | 中石化石油工程设计有限公司 | Initial strain control apparatus for distributed fiber sensor of pipe and control method thereof |
| CN109061239A (en) * | 2018-08-13 | 2018-12-21 | 安徽硕日光电科技有限公司 | A kind of current sensor fixing device |
| CN109506584A (en) * | 2019-01-08 | 2019-03-22 | 上海振华重工(集团)股份有限公司 | Metal structure strain monitoring unit, monitoring device and fiber grating pre-tension method |
| CN110744357A (en) * | 2019-10-28 | 2020-02-04 | 河南科技大学 | Device and method for testing transient pretightening force of main shaft bearing of machine tool |
| CN111006700A (en) * | 2019-08-15 | 2020-04-14 | 南京邮电大学 | Fiber grating packaging device and packaging method |
| CN115046489A (en) * | 2022-03-25 | 2022-09-13 | 武汉理工大学 | Device and method for controlling pre-tightening amount of optical fiber high-temperature strain sensor |
| CN117989995A (en) * | 2024-01-31 | 2024-05-07 | 唐山市神州科贸有限公司 | Long-distance irregular surface environment variable sensing device and assembly method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0856752A1 (en) * | 1997-01-29 | 1998-08-05 | Lucent Technologies Inc. | Magnetically tunable optical fiber gratings |
| CN201378048Y (en) * | 2008-10-29 | 2010-01-06 | 江苏方建工程质量鉴定检测有限公司 | Positioning device of sensor for detecting tensile deformation of materials |
| CN201464666U (en) * | 2009-06-16 | 2010-05-12 | 上海光栅信息技术有限公司 | Fully sealed fiber grating packaging structure |
| CN102997860A (en) * | 2012-11-26 | 2013-03-27 | 山东大学 | Surface-mounted fiber bragg grating strain gauge |
| CN103076109A (en) * | 2012-12-26 | 2013-05-01 | 武汉理工大学 | Magnetic type flaky optical fiber grating temperature sensor |
| CN103309002A (en) * | 2013-06-17 | 2013-09-18 | 南昌大学 | Capillary sensitivity enhancing packaging device capable of applying prestress to fiber grating |
| CN203228165U (en) * | 2013-05-21 | 2013-10-09 | 青岛港（集团）有限公司 | Steel wire rope tightness degree adjusting device |
| CN103383246A (en) * | 2012-05-04 | 2013-11-06 | 电子科技大学 | High-sensitivity fiber Bragg grating strain sensor |
| CN203274935U (en) * | 2013-05-10 | 2013-11-06 | 马鞍山市嘉逸科技工贸有限责任公司 | A magnetically-adsorptive surface temperature measuring apparatus of high-temperature metal |
| CN103901540A (en) * | 2014-03-25 | 2014-07-02 | 桂林电子科技大学 | Optical fiber fused biconical taper machine with optical fiber electromagnetism clamping devices |
| CN104033457A (en) * | 2013-03-06 | 2014-09-10 | 中国飞机强度研究所 | Mounting method of fiber Bragg grating sensor |
-
2015
- 2015-01-12 CN CN201510013886.8A patent/CN104596436B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0856752A1 (en) * | 1997-01-29 | 1998-08-05 | Lucent Technologies Inc. | Magnetically tunable optical fiber gratings |
| CN201378048Y (en) * | 2008-10-29 | 2010-01-06 | 江苏方建工程质量鉴定检测有限公司 | Positioning device of sensor for detecting tensile deformation of materials |
| CN201464666U (en) * | 2009-06-16 | 2010-05-12 | 上海光栅信息技术有限公司 | Fully sealed fiber grating packaging structure |
| CN103383246A (en) * | 2012-05-04 | 2013-11-06 | 电子科技大学 | High-sensitivity fiber Bragg grating strain sensor |
| CN102997860A (en) * | 2012-11-26 | 2013-03-27 | 山东大学 | Surface-mounted fiber bragg grating strain gauge |
| CN103076109A (en) * | 2012-12-26 | 2013-05-01 | 武汉理工大学 | Magnetic type flaky optical fiber grating temperature sensor |
| CN104033457A (en) * | 2013-03-06 | 2014-09-10 | 中国飞机强度研究所 | Mounting method of fiber Bragg grating sensor |
| CN203274935U (en) * | 2013-05-10 | 2013-11-06 | 马鞍山市嘉逸科技工贸有限责任公司 | A magnetically-adsorptive surface temperature measuring apparatus of high-temperature metal |
| CN203228165U (en) * | 2013-05-21 | 2013-10-09 | 青岛港（集团）有限公司 | Steel wire rope tightness degree adjusting device |
| CN103309002A (en) * | 2013-06-17 | 2013-09-18 | 南昌大学 | Capillary sensitivity enhancing packaging device capable of applying prestress to fiber grating |
| CN103901540A (en) * | 2014-03-25 | 2014-07-02 | 桂林电子科技大学 | Optical fiber fused biconical taper machine with optical fiber electromagnetism clamping devices |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511013A (en) * | 2015-09-22 | 2016-04-20 | 武汉理工大学 | Auxiliary device for FBG (Fiber Bragg Grating) pasting |
| CN105511013B (en) * | 2015-09-22 | 2018-09-11 | 武汉理工大学 | A kind of auxiliary device pasted for fiber grating |
| CN105973159A (en) * | 2016-05-25 | 2016-09-28 | 中石化石油工程设计有限公司 | Initial strain control apparatus for distributed fiber sensor of pipe and control method thereof |
| CN109061239A (en) * | 2018-08-13 | 2018-12-21 | 安徽硕日光电科技有限公司 | A kind of current sensor fixing device |
| CN109506584A (en) * | 2019-01-08 | 2019-03-22 | 上海振华重工(集团)股份有限公司 | Metal structure strain monitoring unit, monitoring device and fiber grating pre-tension method |
| CN111006700A (en) * | 2019-08-15 | 2020-04-14 | 南京邮电大学 | Fiber grating packaging device and packaging method |
| CN110744357A (en) * | 2019-10-28 | 2020-02-04 | 河南科技大学 | Device and method for testing transient pretightening force of main shaft bearing of machine tool |
| CN110744357B (en) * | 2019-10-28 | 2021-05-14 | 河南科技大学 | Device and method for testing transient pretightening force of main shaft bearing of machine tool |
| CN115046489A (en) * | 2022-03-25 | 2022-09-13 | 武汉理工大学 | Device and method for controlling pre-tightening amount of optical fiber high-temperature strain sensor |
| CN117989995A (en) * | 2024-01-31 | 2024-05-07 | 唐山市神州科贸有限公司 | Long-distance irregular surface environment variable sensing device and assembly method thereof |
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| CN104596436B (en) | 2018-05-01 |
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