CN106871809A - A kind of replaceable fatigue fiber Bragg grating strain sensor high - Google Patents
A kind of replaceable fatigue fiber Bragg grating strain sensor high Download PDFInfo
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- CN106871809A CN106871809A CN201710191919.7A CN201710191919A CN106871809A CN 106871809 A CN106871809 A CN 106871809A CN 201710191919 A CN201710191919 A CN 201710191919A CN 106871809 A CN106871809 A CN 106871809A
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- 239000000835 fiber Substances 0.000 title claims abstract description 41
- 238000004873 anchoring Methods 0.000 claims abstract description 42
- 239000013307 optical fiber Substances 0.000 claims abstract description 19
- 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 description 16
- 238000000034 method Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 230000006698 induction Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000002929 anti-fatigue Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention discloses a kind of replaceable fatigue fiber Bragg grating strain sensor high, and it includes：Center sensing part, at center, sensing part output end is connected with optical fiber fast interface；Anchoring assembly, including afterbody anchorage drum, end anchorage cylinder and anchor head, afterbody anchorage drum are sheathed on the afterbody of center sensing part, and end anchorage jacket casing is sheathed on the zone line of center sensing part located at the end of center sensing part, anchor head；Two sensor bases being arranged in pairs, are arranged at subject surface to be measured, and for the two ends of fixed center sensing part, each sensor base is provided with through hole, and center sensing part is passed through from the through hole；Position adjustments part, is arranged on the sensing part of center, the position for adjusting center sensing part.The design that the present invention with sensor base separate using center sensing part, is easy to the replacing or maintenance of center sensing part, and using unique package technique, sensor construction has more high fatigue resistance.
Description
Technical field
The present invention relates to structural safety monitoring technical field, and in particular to a kind of replaceable fatigue fiber grating strain high is passed
Sensor.
Background technology
Deformation is the direct forms of characterization of engineering structure work condition, takes responsible measures monitoring works malformation to commenting
The health status of valency engineering structure, ensure that engineering structure safe operation is significant.Optical fiber sensing technology have low cost,
Test job amount and labour intensity is small and the advantages of test easy to automate, in the deformation survey such as engineering structure strain, crack
It is widely applied in examination, the optical fiber sensing technology for particularly developing rapidly in recent years is because with sensing element volume
Small, light weight, small, electromagnetism interference, stable testing are influenceed on structural stress, sensitivity high, good endurance, is easy to implement point
Cloth is transmitted in the unique advantages such as one with real-time in-line testing and collection sensing and data, it has also become civil infrastructure is the most
Preferable safety monitoring means.
Current fibre optic strain sensor is used for engineering structure monitoring generally existing and lays that difficult, survival rate is low, uses
The time limit is short to wait fatal defects.The limitation of existing encapsulation technology causes that strain class sensor is extremely difficult to the projected life of structure, and
And because sensor is difficult or even can not change so that Fibre Optical Sensor cannot realize the life-cycle monitoring to structure.
The content of the invention
The present invention in order to solve the problems, such as traditional fiber strain transducer in the prior art it is non-exchange, be difficult to safeguard,
The invention provides a kind of replaceable, easy care, the fibre optic strain sensor of plug and play.
In order to achieve the above object, technical scheme is as follows：
A kind of replaceable fatigue fiber Bragg grating strain sensor high includes：Center sensing part, in center sensing part output end
It is connected with optical fiber fast interface；Anchoring assembly, including afterbody anchorage drum, end anchorage cylinder and the outer anchoring piece of anchor head, afterbody anchor
Gu jacket casing is located at the afterbody of center sensing part, located at the end of center sensing part, the outer anchoring piece of anchor head is arranged end anchorage jacket casing
In the zone line of center sensing part；Two sensor bases being arranged in pairs, are arranged at subject surface to be measured, in fixation
The two ends of heart sensing part, each sensor base is provided with through hole, and center sensing part is passed through from the through hole；Position adjustments part, if
It is placed on the sensing part of center, the position for adjusting center sensing part.
A kind of replaceable fatigue fiber Bragg grating strain sensor high of the invention is using center sensing part and sensor base point
From design, easily center sensing part can be taken from the sensor base for be fixed on subject surface when needed
Under.Optical fiber fast interface is devised for center sensing part data output position, the function of Fibre Optical Sensor plug and play is realized,
Avoid causing the problem of sensor failure to occur because armored cable is damaged simultaneously.For issues of temperature compensation, using integrated form
Design so that temperature-compensating is more accurate, removes the another trouble with temperature sensor from while reducing installation cost.For elongation center passes
Sense part use time, improves durability, and sensor uses unique package technique, its structure is had anti-fatigue performance higher,
Show that the sensor can bear the stretching of super 2,000,000 times in range through testing fatigue result.
On the basis of above-mentioned technical proposal, following improvement can be also done：
Used as preferred scheme, optical fiber fast interface passes through fixed jackscrew and is fixedly connected with end anchorage cylinder.
Using above-mentioned preferred scheme, installation effectiveness is high, and connects more firm.
Used as preferred scheme, afterbody anchorage drum and end anchorage cylinder are arranged at two outsides of sensor base.
Using above-mentioned preferred scheme, simple structure, it is ensured that a kind of replaceable fatigue fiber grating strain high of the present invention is passed
The firmness of sensor.
Used as preferred scheme, each sensor base includes：Left pedestal, Right socle and for connecting left pedestal and the right side
Through hole is formed after the securing member is connected of pedestal, left pedestal and Right socle splicing, center sensing part is passed through from the through hole.
Using above-mentioned preferred scheme, securing member is connected can select fastening bolt and/or fastening screw, install convenient, and
It is easy to center sensing part to be changed.
As preferred scheme, multiple fastener is additionally provided with sensor base, multiple fastener includes：It is arranged in parallel
Core pin and connecting rod and the fix bar that is arranged in connecting rod；Core pin sequentially passes through the company on left pedestal and Right socle
Hole is connected, the free end of fix bar stretched into the fixing groove on end anchorage drum and/or afterbody anchorage drum, fixing groove and fix bar
Free end match.
Using above-mentioned preferred scheme, simple operation, installation effectiveness is high, and by sensor base and end anchorage cylinder and/
Or afterbody anchorage drum is coupled together, the overall firmness of device is improved, the measuring accuracy of sensor is higher.
Used as preferred scheme, the free end of fix bar is provided with step surfaces more than single order, two ranks or two ranks.
Using above-mentioned preferred scheme, connect more firm.
Used as preferred scheme, the outer wall of the outer anchoring piece of anchor head is connected with the contact of sensor base inner via hole.
Using above-mentioned preferred scheme, center sensing part is protected.
Used as preferred scheme, the outer wall of the outer anchoring piece of anchor head is in shape of threads, and the outer anchoring piece of anchor head connects with through hole in screw thread
Connect.
Using above-mentioned preferred scheme, the outer anchoring piece of anchor head and through hole connection more firmly, prevent both from relative slip occur.
Used as preferred scheme, position adjustments part is the adjusting nut being sheathed on branch sleeve.
Using above-mentioned preferred scheme, simple structure rotates the right position of adjusting nut regulation center sensing part and applies
Plus appropriate pretension.
As preferred scheme, a circle groove is circumferentially with along it in the outer wall zone line of the outer anchoring piece of anchor head, logical
The circle that the inwall in hole is provided with the outer anchoring piece outer wall of anchor head matches is raised.
Using above-mentioned preferred scheme, anchoring piece two ends is straight with diameter greater than the outer anchoring piece zone line of anchor head outside anchor head
Footpath, improves the mechanical strength of center sensing part, and ensure that the outer anchoring piece of anchor head and through hole connection are more firm.
Brief description of the drawings
Fig. 1 is a kind of structural representation of replaceable fatigue fiber Bragg grating strain sensor high provided in an embodiment of the present invention
Figure.
Fig. 2 is the structural representation of center sensing part provided in an embodiment of the present invention.
Fig. 3 is the sectional view of sensor base provided in an embodiment of the present invention and multiple fastener.
Fig. 4 is the front view of multiple fastener provided in an embodiment of the present invention.
Fig. 5 is the side view of multiple fastener provided in an embodiment of the present invention.
Fig. 6 is the partial sectional view of the outer anchoring piece of anchor head provided in an embodiment of the present invention.
Wherein：Jackscrew, 13 induction elements, 2 sensor bases, 21 are fixed in 1 center sensing part, 11 optical fiber fast interfaces, 12
Left pedestal, 22 Right socles, 23 securing member is connecteds, 24 multiple fasteners, 24 multiple fasteners, 241 core pins, 242 connecting rods,
It is 243 fix bars, 244 connection through holes, 3 position adjustments parts, 4 afterbody anchorage drums, 5 end anchorages cylinder, the outer anchoring piece of 6 anchor heads, 61 recessed
Groove.
Specific embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
In order to reach the purpose of the present invention, a kind of some of them of replaceable fatigue fiber Bragg grating strain sensor high are implemented
In example,
As shown in figure 1, a kind of replaceable fatigue fiber Bragg grating strain sensor high includes：Center sensing part 1, anchoring group
Part, two for being arranged in pairs sensor base 2 and position adjustments part 3.
As shown in Fig. 2 center sensing part 1 is the induction element 13 for being compounded with fiber grating, the output end of sensing part 1 at center
It is connected with optical fiber fast interface 11.
Anchoring assembly includes afterbody anchorage drum 4, end anchorage cylinder 5 and the outer anchoring piece 6 of anchor head, and afterbody anchoring jacket casing 5 sets
In the afterbody of center sensing part 1, end anchorage cylinder 5 is sheathed on the end of center sensing part, and the outer anchoring piece 6 of anchor head is sheathed on center
The zone line of sensing part.
The optional bolt of two sensor bases 2 or welding manner being arranged in pairs are fixed on subject surface to be measured, use
In the two ends of fixed center sensing part 1.Each sensor base 2 is provided with through hole, and center sensing part 1 is passed through from the through hole.
Position adjustments part 3 is arranged on center sensing part 1, the position for adjusting center sensing part 3.Position adjustments part 3
It can be adjusting nut.
Compound formulation between a kind of replaceable fatigue fiber Bragg grating strain sensor each several part high of the present invention is as follows：
First, it is being compounded with the outer He of anchoring piece 6 of anchor head on the set of two of the center sensing part 1 of induction element 13 of fiber grating
Anchor head；
Then, the symmetrical anchor head holder of two panels is clamp-oned inside the outer anchoring piece 6 of two ends anchor head, fiber grating will be compounded with
The outer two ends of anchoring piece 6 of induction element center sensing part 1 and anchor head be completely fixed, form one firmly engagement；
Afterwards, afterbody anchorage drum 4 and end anchorage cylinder 5 are respectively mounted in the outer outside of anchoring piece 6 of two ends anchor head, will be compounded with
Optical fiber pigtail in the induction element center sensing part 1 of fiber grating is accurately docked with optical fiber fast interface 11, after confirmation is errorless
Optical fiber fast interface 11 is fixed on end anchorage cylinder 5；
Then, position adjustments part 3 is installed on center sensing part 1, center sensing part 1 is penetrated into sensor base 2
In through hole, the assembling of replaceable fibre optic strain sensor had both been completed.
A kind of distribution method of replaceable fatigue fiber Bragg grating strain sensor high of the present invention is：
The position for needing to lay sensor is marked on object to be measured, the mount point of sensor base 2 is drawn；
According to Properties of Objects to be measured, the optional bolt of sensor base 2 or welding manner be fixed on treat geodesic structure it
On；
After fixing sensor base 2, center sensing part 1 is penetrated the through hole of sensor base 2 from one end, through first
Two position adjustments parts 3 are inserted in after individual sensor base 2 and wear second through hole of sensor base 2 again, worn and screwed on the 3rd
Position adjustments part 3, and adjust good position；
The transmission cable that (FBG) demodulator will be connected inserts normal work by the optical fiber fast interface 11 of sensor, sensor,
Measurand is monitored.
When working sensor for a period of time after, when needing to change or safeguard the problems such as due to its shelf-life or failure, first will
Transmission cable is extracted from optical fiber fast interface 11, is then unscrewed successively and is removed position adjustments part 3, finally by center sensing part 1 from
Sensor base 2 is detached, and installs new center sensing part 1, you can continuation is monitored to measurand.
A kind of present invention replaceable fatigue fiber Bragg grating strain sensor high has the beneficial effect that：
1) design with sensor base 2 separate using center sensing part 1, the sensor base 2 of same specification model
Can be used with interworking with center sensing part 1, when needed can easily by center sensing part 1 from the biography for being fixed on subject surface
Removed on sensor pedestal 2.
2) optical fiber fast interface 11, the upper band of optical fiber fast interface 11 are devised for the data output position of center sensing part 1
Have standard FC/APC interfaces, be capable of achieving with the rapid abutting joint of Optical Fiber Transmission cable, play the effect of plug and play, at the same avoid by
Being damaged in armored cable causes the problem of sensor failure to occur.
3) for issues of temperature compensation, designed using integrated form so that temperature-compensating is more accurate, removed from separately with TEMP
The trouble of device reduces installation cost simultaneously.
4) it is elongation center's sensing part use time, improves durability, sensor uses unique package technique, makes its structure
With anti-fatigue performance higher, show that the sensor can bear the drawing of super 2,000,000 times in range through testing fatigue result
Stretch.
Replaceable fatigue fiber Bragg grating strain sensor high of the invention a kind of is conveniently replaceable, easy to maintain and can carry out reliability
The Fibre Optical Sensor of monitoring so that be possibly realized to whole service life monitoring using Fibre Optical Sensor.And replaceable Fibre Optical Sensor
Greatly reduce Fibre Optical Sensor and the difficulty in laying is being installed, improve operating efficiency, reduce engineering cost.Having benefited from can
Change the replaceable ease for maintenance of Fibre Optical Sensor, it is ensured that reliability of the Fibre Optical Sensor in whole monitoring system, realize
Recycling for same test point, breaks through the limitation that sensor life-time is shorter than structure, and effective extended structure can monitor duration.
In order to further optimize implementation result of the invention, in other implementation method, remaining feature technology phase
Together, difference is that optical fiber fast interface 11 passes through fixed jackscrew 12 and is fixedly connected with end anchorage cylinder 5.
Using above-mentioned preferred scheme, installation effectiveness is high, and connects more firm.
In order to further optimize implementation result of the invention, in other implementation method, remaining feature technology phase
Together, difference is that afterbody anchorage drum 4 and end anchorage cylinder 5 are arranged at two outsides of sensor base 2.
Using above-mentioned preferred scheme, simple structure, it is ensured that a kind of replaceable fatigue fiber grating strain high of the present invention is passed
The firmness of sensor.
As shown in figure 3, in order to further optimize implementation result of the invention, in other implementation method, remaining
Feature technology is identical, and difference is that each sensor base 2 includes：Left pedestal 21, Right socle 22 and for connecting a left side
The securing member is connected 23 of pedestal 21 and Right socle 22, left pedestal 21 and Right socle 22 form through hole after splicing, center sensing part 1 from
The through hole is passed through.
Using above-mentioned preferred scheme, securing member is connected 23 can select fastening bolt and/or fastening screw, install convenient,
And it is easy to center sensing part 1 to be changed.
As shown in Figures 4 and 5, further, multiple fastener 24 is additionally provided with sensor base 2, multiple fastener 24 is wrapped
Include：The core pin 241 and connecting rod 242 that be arranged in parallel and it is arranged at fix bar 243 L-shaped in connecting rod 242；Core pin
241 sequentially pass through the connection through hole 244 on left pedestal 21 and Right socle 22, and end anchorage drum 5 is stretched into the free end of fix bar 243
And/or in the fixing groove (not shown) on afterbody anchorage drum 4, fixing groove matches with the free end of fix bar 243.
Using above-mentioned preferred scheme, during installation, core pin 241 is first sequentially passed through into left pedestal 21 and right base
Connection through hole 244 on seat 22, the axle centered on core pin 241 rotates multiple fastener 24, by the free end of fix bar 243
After stretching into the fixing groove on end anchorage drum 5 and/or afterbody anchorage drum 4, core pin 241 is fixed using nut, prevented
Only it is rotated further by.
Using this structure, simple operation, installation effectiveness is high, and by sensor base 2 and end anchorage cylinder 5 and/or afterbody
Anchorage drum 4 is coupled together, and improves the overall firmness of device, and the measuring accuracy of sensor is higher.Fix bar 243 can be in " one "
Font or " L " shape, " one " character form structure are simpler, and " L " shape is more firm.
Further, the free end of fix bar 243 is provided with step surfaces more than single order, two ranks or two ranks.
Using above-mentioned preferred scheme, connect more firm.
In order to further optimize implementation result of the invention, in other implementation method, remaining feature technology phase
Together, difference is that the outer wall of the outer anchoring piece 6 of anchor head is connected with the contact of the inner via hole of sensor base 2.
Using above-mentioned preferred scheme, center sensing part 1 is protected.
Further, the outer wall of the outer anchoring piece 6 of anchor head is in shape of threads, and the outer anchoring piece 6 of anchor head is threaded with through hole.
Using above-mentioned preferred scheme, the outer anchoring piece 6 of anchor head and through hole connection more firmly, prevent both from occurring sliding relatively
It is dynamic.
Further, position adjustments part 3 is the adjusting nut being sheathed on the outer anchoring piece 6 of anchor head.
Using above-mentioned preferred scheme, simple structure is threaded outside the outer anchoring piece 6 of the two ends anchor head of center sensing part 1,
Under the position of sensor base 2 fixing situation, the right position of center sensing part 1 can be adjusted by adjusting nut, and be
Center sensing part 1 applies certain pretension.
As shown in fig. 6, further, a circle groove 61 is circumferentially with along it in the outer wall zone line of the outer anchoring piece 6 of anchor head,
The raised (not shown) of a circle matched with the outer outer wall of anchoring piece 6 of anchor head is provided with the inner walls of the via.
Using above-mentioned preferred scheme, the outer two ends of anchoring piece 6 of anchor head with diameter greater than the outer zone line of anchoring piece 6 of anchor head
Diameter, improves the mechanical strength of center sensing part 1, and ensure that the outer anchoring piece 6 of anchor head and through hole connection are more firm.
The above is only the preferred embodiment of the present invention, it is noted that for the person of ordinary skill of the art,
Without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.
Claims (10)
1. a kind of replaceable fatigue fiber Bragg grating strain sensor high, it is characterised in that including：
Center sensing part, optical fiber fast interface is connected with the center sensing part output end；
Anchoring assembly, including afterbody anchorage drum, end anchorage cylinder and the outer anchoring piece of anchor head, the afterbody anchorage drum are sheathed on institute
State the afterbody of center sensing part, end anchorage jacket casing anchoring piece outside the end of the center sensing part, the anchor head
It is sheathed on the zone line of the center sensing part；
Two sensor bases being arranged in pairs, are arranged at subject surface to be measured, the two ends for fixing the center sensing part,
Each described sensor base is provided with through hole, and the center sensing part is passed through from the through hole；
Position adjustments part, is arranged on the center sensing part, the position for adjusting the center sensing part.
2. replaceable fatigue fibre optic strain sensor high according to claim 1, it is characterised in that the optical fiber quickly connects
Mouth is fixedly connected by fixed jackscrew with end anchorage cylinder.
3. replaceable fatigue fibre optic strain sensor high according to claim 1, it is characterised in that the afterbody anchorage drum
Two outsides of the sensor base are arranged at end anchorage cylinder.
4. replaceable fatigue fibre optic strain sensor high according to claim 1, it is characterised in that each described sensor
Pedestal includes：Left pedestal, Right socle and the securing member is connected for connecting the left pedestal and the Right socle, the left base
Through hole is formed after seat and Right socle splicing, the center sensing part is passed through from the through hole.
5. replaceable fatigue fibre optic strain sensor high according to claim 4, it is characterised in that in the sensor base
Multiple fastener is additionally provided with seat, the multiple fastener includes：The core pin and connecting rod that be arranged in parallel and it is arranged at institute
State the fix bar in connecting rod；
The core pin sequentially passes through the connection through hole on the left pedestal and the Right socle, and the free end of the fix bar is stretched
Enter in the fixing groove on end anchorage cylinder and/or the afterbody anchorage drum, the freedom of the fixing groove and the fix bar
End matches.
6. replaceable fatigue fibre optic strain sensor high according to claim 5, it is characterised in that the fix bar from
Step surfaces more than single order, two ranks or two ranks is provided with by end.
7. the fatigue fibre optic strain sensor replaceable high according to claim any one of 1-6, it is characterised in that the anchor
The outer wall of the outer anchoring piece of head is connected with sensor base inner via hole contact.
8. replaceable fatigue fibre optic strain sensor high according to claim 7, it is characterised in that anchored outside the anchor head
The outer wall of part is in shape of threads, and the outer anchoring piece of the anchor head is threaded with the through hole.
9. replaceable fatigue fibre optic strain sensor high according to claim 8, it is characterised in that the position adjustments part
It is the adjusting nut being sheathed on the outer anchoring piece of the anchor head.
10. replaceable fatigue fibre optic strain sensor high according to claim 7, it is characterised in that outside the anchor head
The outer wall zone line of anchoring piece is circumferentially with a circle groove along it, is provided with the inwall of the through hole and the outer anchor of the anchor head
The circle that firmware outer wall matches is raised.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710191919.7A CN106871809A (en) | 2017-03-28 | 2017-03-28 | A kind of replaceable fatigue fiber Bragg grating strain sensor high |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710191919.7A CN106871809A (en) | 2017-03-28 | 2017-03-28 | A kind of replaceable fatigue fiber Bragg grating strain sensor high |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101592A (en) * | 2017-06-21 | 2017-08-29 | 智性科技南通有限公司 | A kind of anti-buckling fiber Bragg grating strain sensor and preparation method thereof |
| CN110501032A (en) * | 2019-08-15 | 2019-11-26 | 齐贺 | One kind being based on fiber grating construction sensor fixing structure |
| CN112735646A (en) * | 2020-12-31 | 2021-04-30 | 西人马联合测控（泉州）科技有限公司 | Armored cable, jig, armored cable assembly method and sensor |
| CN114941996A (en) * | 2022-07-26 | 2022-08-26 | 西北工业大学 | Fiber grating strain measurement system for round bar fatigue sample |
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