CN110186490A - A kind of spoke type fiber grating fatigue sensor with temperature self-compensation function - Google Patents
A kind of spoke type fiber grating fatigue sensor with temperature self-compensation function Download PDFInfo
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- 239000000835 fiber Substances 0.000 title claims abstract description 26
- 239000000806 elastomer Substances 0.000 claims abstract description 15
- 229920001971 elastomer Polymers 0.000 claims abstract description 15
- 239000013307 optical fiber Substances 0.000 claims abstract description 12
- 230000007935 neutral effect Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 206010016256 fatigue Diseases 0.000 description 15
- 238000005259 measurement Methods 0.000 description 11
- DOSMHBDKKKMIEF-UHFFFAOYSA-N 2-[3-(diethylamino)-6-diethylazaniumylidenexanthen-9-yl]-5-[3-[3-[4-(1-methylindol-3-yl)-2,5-dioxopyrrol-3-yl]indol-1-yl]propylsulfamoyl]benzenesulfonate Chemical compound C1=CC(=[N+](CC)CC)C=C2OC3=CC(N(CC)CC)=CC=C3C(C=3C(=CC(=CC=3)S(=O)(=O)NCCCN3C4=CC=CC=C4C(C=4C(NC(=O)C=4C=4C5=CC=CC=C5N(C)C=4)=O)=C3)S([O-])(=O)=O)=C21 DOSMHBDKKKMIEF-UHFFFAOYSA-N 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 4
- 230000000747 cardiac effect Effects 0.000 description 2
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- 230000000694 effects Effects 0.000 description 2
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- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
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- 238000003379 elimination reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
- G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/3537—Optical fibre sensor using a particular arrangement of the optical fibre itself
- G01D5/3538—Optical fibre sensor using a particular arrangement of the optical fibre itself using a particular type of fiber, e.g. fibre with several cores, PANDA fiber, fiber with an elliptic core or the like
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/36—Forming the light into pulses
- G01D5/38—Forming the light into pulses by diffraction gratings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
A kind of spoke type fiber grating fatigue sensor with temperature self-compensation function, including elastomer and fiber grating, elastomer are made of wheel rim, wheel hub and spoke, and on the outside of wheel hub, wheel rim and wheel hub are connected wheel rim concentric locking collar by four uniformly distributed spokes；Periphery screw hole through-hole is laid on wheel rim；Wheel hub the center point is equipped with center thread through hole；Fiber grating includes 1. number grating, 2. number grating and 3. number grating, and three gratings in series are in an optical fiber；Four spokes are arranged according to label sequence, 1. number differ 180 ° of phase angles with a 3. number spoke, 2. number differ 180 ° of phase angles with a 4. number spoke；1. a number grating is pasted onto 1. number spoke front side surface, 2. a number grating is pasted onto 3. number spoke rear side surface；3. a number grating is pasted onto 2. number or 4. number spoke upper surface middle part；It is in 45° angle on tensile strain direction and with neutral line 1. it is identical number to paste direction with 2. number grating；3. number grating pastes direction and the length direction of 2. number or 4. number spoke is perpendicular, thickness is pasted greater than 1mm.
Description
Technical field
The invention belongs to sensor technical fields, more particularly to a kind of spoke type optical fiber with temperature self-compensation function
Grating fatigue sensor.
Background technique
In fatigue tester, common fatigue sensor is mainly electrical measurement class sensor, and electrical measurement class sensor is adopted mostly
With the shift theory of resistance-strain type, makes the elastomer of sensor by applying load deformation occurs, and then generate surface strain,
Strain is inductively measured through resistance strain gage again, it is defeated that the variable quantity of resistance strain gage is finally converted into electric signal progress
Out.
Although electrical measurement class sensor has the characteristics that dynamic response is good, high sensitivity, since foil gauge connects bridge circuit
It is excessively complicated, it is easy to be influenced by electromagnetic interference, and sensor is after being used for a long time, the lead and sensitivity of foil gauge
Fatigue rupture also easily occurs for grid, causes the long-term measurement stability of sensor poor.
Fiber grating is as a kind of novel passive sensor component, and with good insulating, electricity is passive, anti-electromagnetism is dry
The good characteristics such as strong, the good, wavelength absolute encoding of fatigability of ability are disturbed, are widely applied in many fields.Although optical fiber
Grating sensor can be to the measurement of strain, temperature and other physical parameters, but fiber-optic grating sensor is in practical application mistake
The central wavelength that Cheng Zhong, strain and temperature can also result in fiber grating is drifted about, so that area can not be carried out to measurement result
Point, so as to cause temperature-strain cross sensitivity problem, which always affects fiber grating in the application of sensor field.
By taking existing spoke type optical fiber load cell as an example, two gratings are generally used in sensor, two gratings
Paste position in the spoke side of elastomer and Relative distribution, use for incuding stretching strain, second grating by first grating
In induction compressive strain, still, in traditional elastomer structure design, it only can guarantee that the strain in tension direction is more uniform, and
It not can guarantee the uniformity of compression direction strain, and the inhomogeneities strained will lead to grating reflection spectral and generate fission, therefore
The measurement accuracy of sensor can be seriously affected.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of spoke type optical fiber light with temperature self-compensation function
Grid fatigue sensor, structure is simple, carries out the self compensation that auxiliary achieves that temperature, Neng Gouyou without additional temperature sensor
Effect solves the problems, such as temperature-strain cross sensitivity, can effectively improve the measurement accuracy of sensor.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of spoke with temperature self-compensation function
Formula fiber grating fatigue sensor, including elastomer and fiber grating, the elastomer are made of wheel rim, wheel hub and spoke, wheel
Edge and wheel hub are cirque structure, and wheel rim is located on the outside of wheel hub, and wheel rim is arranged concentrically with wheel hub；The spoke quantity is four
Root, four spokes are evenly arranged between wheel rim and wheel hub, and wheel rim and wheel hub are fixedly connected with by spoke；If being provided on the wheel rim
Dry periphery screw hole through-hole, several periphery screw hole through-holes are circumferentially uniformly arranged, and each periphery screw hole through-hole, which is matched, is arranged with one
Fastening bolt, the elastomer are fixedly connected with by the mounting seat of fastening bolt and fatigue tester；In the center of circle of the wheel hub
Place offers center thread through hole, and the connector and center thread through hole of fatigue tester are cooperatively connected；The fiber grating packet
Include three gratings, three gratings are denoted as 1. number grating, 2. number grating and 3. number grating respectively, and three gratings in series are in a light
In fibre；Four spokes are denoted as 1. number spoke, 2. number spoke, 3. number spoke and 4. number spoke respectively, 1. number spoke, 2. number wheel
Spoke, 3. number spoke and 4. number spoke sequence arranges, 1. differs 180 ° of phase angles between number spoke and 3. number spoke, 2. number spoke and
4. differing 180 ° of phase angles between number spoke；1. number grating is pasted onto the front side surface of 1. number spoke, the 2. number grating
It is pasted onto the rear side surface of 3. number spoke；3. number grating is pasted onto 2. number spoke or the 4. upper surface middle part of number spoke.
1. number grating is identical as the 2. stickup direction of number grating, on tensile strain direction, and and neutral line
In 45° angle.
3. the length direction of the stickup direction of number grating number spoke with 2. number spoke or 4. is perpendicular, and 3. number grating
Stickup thickness be greater than 1mm.
1. the central wavelength of number grating is greater than the central wavelength of 2. number grating, and 1. number grating and 2. between number grating
Central wavelength difference be more than or equal to 3nm and be less than 20nm；2. the central wavelength of number grating is greater than the middle cardiac wave of 3. number grating
It is long, and 2. number grating and 3. the central wavelength difference between number grating is more than or equal to 3nm and is less than 20nm.
1. number grating, 2. number grating and 3. a number grating is all made of optical fiber Bragg raster.
1. number grating and 1. between number spoke, 2. number grating and 3. between number spoke, 3. number grating and 2. number spoke
Or 4. the bonding method between number spoke is adhesive means.
Beneficial effects of the present invention:
The present invention provides a kind of spoke type fiber grating fatigue sensor with temperature self-compensation function, and structure is simple,
The self compensation that auxiliary achieves that temperature is carried out without additional temperature sensor, it is quick to can effectively solve the problem that temperature-strain intersects
Sense problem can effectively improve the measurement accuracy of sensor.The present invention is not easily susceptible to electromagnetism compared with traditional electrical measurement class sensor
Interference, and long-time stability are good.
Detailed description of the invention
Fig. 1 is that a kind of structure of spoke type fiber grating fatigue sensor with temperature self-compensation function of the invention is shown
It is intended to；
Fig. 2 is A-A cross-sectional view in Fig. 1；
1. number in figure, 1-wheel rim, 2-wheel hubs, 3-spokes, 4-periphery screw hole through-holes, 5-center thread through holes, 6-
Grating, 7-2. number gratings, 8-3. number gratings.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, 2, a kind of spoke type fiber grating fatigue sensor with temperature self-compensation function, including elasticity
Body and fiber grating, the elastomer are made of wheel rim 1, wheel hub 2 and spoke 3, and wheel rim 1 and wheel hub 2 are cirque structure, wheel
Edge 1 is located at 2 outside of wheel hub, and wheel rim 1 is arranged concentrically with wheel hub 2；3 quantity of spoke is four, and four spokes 3 are evenly arranged on wheel rim
Between 1 and wheel hub 2, wheel rim 1 is fixedly connected with wheel hub 2 by spoke 3；Several periphery screw hole through-holes are provided on the wheel rim 1
4, several periphery screw hole through-holes 4 are circumferentially uniformly arranged, and each periphery screw hole through-hole 4, which is matched, is arranged with a fastening bolt, institute
Elastomer is stated to be fixedly connected with by the mounting seat of fastening bolt and fatigue tester；In the center point of the wheel hub 2 offers
Heart tapped through hole 5, the connector and center thread through hole 5 of fatigue tester are cooperatively connected；The fiber grating includes three Zhi Guang
Grid, three gratings are denoted as 1. number grating 6,2. number grating 7 and 3. number grating 8 respectively, and three gratings in series are in an optical fiber；
Four spokes 3 are denoted as 1. number spoke, 2. number spoke, 3. number spoke and 4. number spoke respectively, 1. number spoke, 2. number spoke,
3. number spoke and 4. number spoke sequence arranges, 1. differ 180 ° of phase angles between number spoke and 3. number spoke, 2. number spoke and 4.
180 ° of phase angles are differed between number spoke；1. number grating 6 is pasted onto the front side surface of 1. number spoke, the 2. number grating 7
It is pasted onto the rear side surface of 3. number spoke；3. number grating 8 is pasted onto 2. number spoke or the 4. upper surface middle part of number spoke.
1. number grating 6 is identical as the 2. stickup direction of number grating 7, on tensile strain direction, and with neutrality
Layer is in 45° angle.
3. the length direction of the stickup direction of number grating 8 number spoke with 2. number spoke or 4. is perpendicular, and 3. number light
The stickup thickness of grid 8 is greater than 1mm.
1. the central wavelength of number grating 6 is greater than the central wavelength of 2. number grating 7, and 1. number grating 6 and 2. number grating 7
Between central wavelength difference be more than or equal to 3nm and be less than 20nm；2. the central wavelength of number grating 7 is greater than 3. number grating 8
Central wavelength, and 2. number grating 7 and 3. the central wavelength difference between number grating 8 be more than or equal to 3nm and be less than 20nm.
1. number grating 6,2. number grating 7 and 3. number grating 8 is all made of optical fiber Bragg raster.
1. number grating 6 and 1. between number spoke, 2. number grating 7 and 3. between number spoke, 3. number grating 8 and 2. number wheel
Bonding method between spoke or 4. number spoke is adhesive means.
When the load that the elastomer of sensor is vertically applied, 1. number grating 6 is strained simultaneously with 2. number grating 7
With the influence of temperature, and 1. number grating 6 and the asymmetrical arrangement of 2. number grating 7 effectively eliminate eccentrically loaded influence；It is right
For 3. number grating 8, since 3. number grating 8 is pasted onto 2. number spoke or the 4. upper surface middle part of number spoke, and direction is pasted
With 2. number spoke or 4. the length direction of number spoke is perpendicular, through simulation analysis it is found that the strain that 3 upper surface middle part of spoke generates
It is minimum, while thickness is pasted greater than 1mm, and the bigger strain transfer ratio of thickness is also lower, therefore 3. the 8 pairs of strains of number grating are unwise
Sense, is only influenced by temperature.
After light beam enters optical fiber, 1. number grating 6,2. number grating 7 and 3. in number grating 8, root can be entered along optical fiber
According to known to the characteristic and fiber grating mode coupling theory of elastomer:
1. number grating 6 is influenced by temperature and strain simultaneously, the drift value of central wavelength such as formula (1):
2. number grating 7 is influenced by temperature and strain simultaneously, the drift value of central wavelength such as formula (2):
3. number grating 8 is only influenced by temperature, the drift value of central wavelength such as formula (3):
In formula: Δ λ1For the drift value of the 1. central wavelength of number grating 6, Δ λ2For the drift of the 2. central wavelength of number grating 7
Amount, Δ λ3For the drift value of the 3. central wavelength of number grating 8, λ1For the central wavelength of 1. number grating 6, λ2For in 2. number grating 7
Cardiac wave is long, λ3For the central wavelength of 3. number grating 8,For the central wavelength drift value of the 1. number grating 6 caused by straining,For the 1. central wavelength drift value of number grating 6 as caused by temperature,For by the center for straining caused 2. number grating 7
Wavelength shift,For the 2. central wavelength drift value of number grating 7 as caused by temperature,For as caused by temperature 3.
The central wavelength drift value of number grating 8, Δ T are temperature variation,It is constant, PeFor valid elastic-optic constants；
Simultaneous is carried out to formula (1), (2) and (3), Δ T is eliminated, then can obtain formula (4):
(4)
Spoke 3 is carried out force analysis to obtain the shear strain of spoke side being formula (5):
(5)
In formula: Δ ε is the shear strain of spoke side, and μ is elastomeric material Poisson's ratio, and F is the power applied, and E is elasticity
Modulus, A are spoke cross-sectional product；
Formula (5) is brought into formula (4), the relationship between central wavelength drift value and the power of application can be obtained, such as formula (6):
(6)
As it can be seen that by above-mentioned derivation process, so that it may be easy to elimination temperature change and be affected to strain measurement.
The scope of patent protection that scheme in embodiment is not intended to limit the invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the patents of this case.
Claims (6)
1. a kind of spoke type fiber grating fatigue sensor with temperature self-compensation function, it is characterised in that: including elastomer
And fiber grating, the elastomer are made of wheel rim, wheel hub and spoke, wheel rim and wheel hub are cirque structure, and wheel rim is located at
On the outside of wheel hub, wheel rim is arranged concentrically with wheel hub；The spoke quantity is four, and four spokes are evenly arranged between wheel rim and wheel hub,
Wheel rim and wheel hub are fixedly connected with by spoke；Several periphery screw hole through-holes, several periphery screw hole through-holes are provided on the wheel rim
It is circumferentially uniformly arranged, each periphery screw hole through-hole, which is matched, is arranged with a fastening bolt, and the elastomer passes through fastening bolt
It is fixedly connected with the mounting seat of fatigue tester；Center thread through hole, fatigue tester are offered in the center point of the wheel hub
Connector and center thread through hole be cooperatively connected；1. number the fiber grating includes three gratings, and three gratings are denoted as respectively
Grating, 2. number grating and 3. number grating, and three gratings in series are in an optical fiber；Four spokes are denoted as 1. number wheel respectively
Spoke, 2. number spoke, 3. number spoke and 4. number spoke, 1. number spoke, 2. number spoke, 3. number spoke and 4. number spoke sequence arrangement,
1. differing 180 ° of phase angles between number spoke and 3. number spoke, 180 ° of phase angles are 2. differed between number spoke and 4. number spoke；Institute
The front side surface that 1. number grating is pasted onto 1. number spoke is stated, the 2. number grating is pasted onto the rear side surface of 3. number spoke；It is described
3. number grating is pasted onto 2. number spoke or the 4. upper surface middle part of number spoke.
2. a kind of spoke type fiber grating fatigue sensor with temperature self-compensation function according to claim 1,
Be characterized in that: the 1. number grating is identical as the 2. stickup direction of number grating, on tensile strain direction, and and neutral line
In 45° angle.
3. a kind of spoke type fiber grating fatigue sensor with temperature self-compensation function according to claim 1,
Be characterized in that: the length direction of the stickup direction of the 3. number grating number spoke with 2. number spoke or 4. is perpendicular, and 3. number light
The stickup thickness of grid is greater than 1mm.
4. a kind of spoke type fiber grating fatigue sensor with temperature self-compensation function according to claim 1,
Be characterized in that: the central wavelength of the 1. number grating is greater than the central wavelength of 2. number grating, and 1. number grating and 2. number grating it
Between central wavelength difference be more than or equal to 3nm and be less than 20nm；2. the central wavelength of number grating is greater than the center of 3. number grating
Wavelength, and 2. number grating and 3. the central wavelength difference between number grating be more than or equal to 3nm and be less than 20nm.
5. a kind of spoke type fiber grating fatigue sensor with temperature self-compensation function according to claim 1,
It is characterized in that: the 1. number grating, 2. number grating and 3. a number grating is all made of optical fiber Bragg raster.
6. a kind of spoke type fiber grating fatigue sensor with temperature self-compensation function according to claim 1,
Be characterized in that: the 1. number grating and 1. between number spoke, 2. number grating and 3. between number spoke, 3. number grating and 2. number spoke
Or 4. the bonding method between number spoke is adhesive means.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779651A (en) * | 2019-11-18 | 2020-02-11 | 重庆交通大学 | Double-cross beam type three-dimensional force sensor based on fiber bragg grating |
| CN110967048A (en) * | 2019-12-28 | 2020-04-07 | 桂林电子科技大学 | Orthogonal inclined three-core fiber grating parallel integrated Mach-Zehnder interferometer |
| CN112129243A (en) * | 2020-09-04 | 2020-12-25 | 电子科技大学 | Quasi-distributed optical fiber torsion angle measuring device and method based on photoelectric oscillator |
| CN114323410A (en) * | 2021-12-31 | 2022-04-12 | 长飞光纤光缆股份有限公司 | Spoke type fiber bragg grating pressure sensor |
| CN114459646A (en) * | 2022-01-20 | 2022-05-10 | 河南科技大学 | Sensitization type temperature self-compensating fiber grating force sensor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580722A (en) * | 2004-05-19 | 2005-02-16 | 南开大学 | Temperature automaticcompensating optical fiber grating force sensor |
| CN102279444A (en) * | 2011-07-26 | 2011-12-14 | 南京大学 | Passive device for eliminating polarization noise in Brillouin optical fiber sensor |
| CN203758660U (en) * | 2013-12-16 | 2014-08-06 | 昆明理工大学 | Spoke-type fiber Bragg grating anchor head force transducer |
| CN106525299A (en) * | 2016-10-25 | 2017-03-22 | 武汉理工大学 | Temperature self-compensating fiber grating micro force sensor and manufacturing method thereof |
| CN109405858A (en) * | 2018-12-14 | 2019-03-01 | 东北大学 | A kind of novel D type microstructure fiber sensor and preparation method thereof |
| CN109855780A (en) * | 2019-01-15 | 2019-06-07 | 中国计量大学 | A kind of temperature compensation optical fiber grating sensor for joint of robot torque measurement |
| CN209877993U (en) * | 2019-07-04 | 2019-12-31 | 东北大学 | Spoke type fiber bragg grating fatigue sensor with temperature self-compensation function |
-
2019
- 2019-07-04 CN CN201910597411.6A patent/CN110186490A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580722A (en) * | 2004-05-19 | 2005-02-16 | 南开大学 | Temperature automaticcompensating optical fiber grating force sensor |
| CN102279444A (en) * | 2011-07-26 | 2011-12-14 | 南京大学 | Passive device for eliminating polarization noise in Brillouin optical fiber sensor |
| CN203758660U (en) * | 2013-12-16 | 2014-08-06 | 昆明理工大学 | Spoke-type fiber Bragg grating anchor head force transducer |
| CN106525299A (en) * | 2016-10-25 | 2017-03-22 | 武汉理工大学 | Temperature self-compensating fiber grating micro force sensor and manufacturing method thereof |
| CN109405858A (en) * | 2018-12-14 | 2019-03-01 | 东北大学 | A kind of novel D type microstructure fiber sensor and preparation method thereof |
| CN109855780A (en) * | 2019-01-15 | 2019-06-07 | 中国计量大学 | A kind of temperature compensation optical fiber grating sensor for joint of robot torque measurement |
| CN209877993U (en) * | 2019-07-04 | 2019-12-31 | 东北大学 | Spoke type fiber bragg grating fatigue sensor with temperature self-compensation function |
Non-Patent Citations (1)
| Title |
|---|
| HONGCHUN SUN等: ""Optimum Design of the Spoke Type Load Cell Based on Fatigue Performance"", 《JOURNAL OF FAILURE ANALYSIS AND PREVENTION》, vol. 17, pages 717 - 723, XP036583583, DOI: 10.1007/s11668-017-0299-y * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779651A (en) * | 2019-11-18 | 2020-02-11 | 重庆交通大学 | Double-cross beam type three-dimensional force sensor based on fiber bragg grating |
| CN110967048A (en) * | 2019-12-28 | 2020-04-07 | 桂林电子科技大学 | Orthogonal inclined three-core fiber grating parallel integrated Mach-Zehnder interferometer |
| CN112129243A (en) * | 2020-09-04 | 2020-12-25 | 电子科技大学 | Quasi-distributed optical fiber torsion angle measuring device and method based on photoelectric oscillator |
| CN112129243B (en) * | 2020-09-04 | 2022-02-15 | 电子科技大学 | Quasi-distributed optical fiber torsion angle measuring device and method based on photoelectric oscillator |
| CN114323410A (en) * | 2021-12-31 | 2022-04-12 | 长飞光纤光缆股份有限公司 | Spoke type fiber bragg grating pressure sensor |
| CN114323410B (en) * | 2021-12-31 | 2023-06-06 | 长飞光纤光缆股份有限公司 | Spoke type fiber grating pressure sensor |
| CN114459646A (en) * | 2022-01-20 | 2022-05-10 | 河南科技大学 | Sensitization type temperature self-compensating fiber grating force sensor |
| CN114459646B (en) * | 2022-01-20 | 2024-02-20 | 河南科技大学 | Sensitization type temperature self-compensating fiber bragg grating force sensor |
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