CN110501032A - One kind being based on fiber grating construction sensor fixing structure - Google Patents
One kind being based on fiber grating construction sensor fixing structure Download PDFInfo
- Publication number
- CN110501032A CN110501032A CN201910753924.1A CN201910753924A CN110501032A CN 110501032 A CN110501032 A CN 110501032A CN 201910753924 A CN201910753924 A CN 201910753924A CN 110501032 A CN110501032 A CN 110501032A
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- Prior art keywords
- hole
- cross bar
- fixed block
- fiber
- fixed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000000835 fiber Substances 0.000 title claims abstract description 23
- 238000010276 construction Methods 0.000 title claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000013307 optical fiber Substances 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 5
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011551 heat transfer agent Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35306—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
- G01D5/35309—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer
- G01D5/35316—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer using a Bragg gratings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses one kind to be based on fiber grating construction sensor fixing structure, including the first fixed block, fiber-optic grating sensor ontology, bolt and cross bar, fiber-optic grating sensor ontology both ends are set with the second fixed block, two second fixed block bottom ends offer the second through-hole, first fixed block front offers screw hole, the bolt passes through the second through-hole and is screwed into screw hole, two second fixed block tops offer first through hole, described cross bar one end passes through first through hole, described cross bar one end offers screw thread, cross bar one end matches with first through hole, two nuts of cross bar threaded one end installation are bonded with the second fixed block top two sides respectively, the cross bar bottom end is fixed with link, fiber-optic grating sensor ontology both ends are respectively connected with electric wire.The present invention, which has, facilitates fixed sensor and electric wire, time-saving advantage.
Description
Technical field
The present invention relates to fiber-optic grating sensor mounting technique fields, specially a kind of to be used based on fiber grating construction
Sensor fixing structure.
Background technique
Fiber-optic grating sensor belongs to one kind of fibre optical sensor, and the sensing process based on fiber grating is to pass through foreign objects
Reason parameter obtains heat transfer agent to the modulation of optical fiber Bragg wavelength, is a kind of wavelength modulation fiber sensor, optical fiber light
The direct measurement to physical quantity may be implemented in gate sensor.
It reinforces and is underpined using after first being reinforced to existing load-carrying members in existing building structure transformation, carry out underpining place
Reason, when existing building structure is transformed, needs to monitor the bearing system related data of building, can pass through optical fiber grating sensing
Device is monitored.
Existing fiber-optic grating sensor is fixed by screws on crossbeam metope, and the electric wire connecting with sensor is also required to
It is fixed on metope by nail catcher, will increase workload when fixing electric wire, also need one by one to remove nail catcher after measurement, wasted
Time.
Summary of the invention
The purpose of the present invention is to provide one kind to be based on fiber grating construction sensor fixing structure, has conveniently
Fixed sensor and electric wire, time-saving advantage, solve the electric wire connecting with sensor and are also required to be fixed on by nail catcher
On metope, it will increase workload when fixing electric wire, also need the problem of nail catcher is removed, wasted time one by one after measurement.
To achieve the above object, the invention provides the following technical scheme: a kind of sensed based on fiber grating construction
Device mounting structure, including the first fixed block, fiber-optic grating sensor ontology, bolt and cross bar, the fiber-optic grating sensor sheet
Body both ends are set with the second fixed block, and two second fixed block bottom ends offer the second through-hole, and described first is fixed
Block front offers screw hole, and the bolt passes through the second through-hole and is screwed into screw hole, and two second fixed block tops open up
There is first through hole, described cross bar one end passes through first through hole, and the cross bar bottom end is fixed with link, the fiber-optic grating sensor
Ontology both ends are respectively connected with electric wire.
Preferably, the screw hole is aligned with the second through-hole, and screw hole matches with bolt respectively with the second through-hole.
Preferably, described cross bar one end offers screw thread, and cross bar one end matches with first through hole, cross bar threaded one end peace
Two nuts of dress are bonded with the second fixed block top two sides respectively.
Preferably, the electric wire passes through link.
Compared with prior art, beneficial effects of the present invention are as follows: the present invention is reached by setting link, cross bar and nut
To fixed sensor and electric wire, time-saving effect is facilitated, the present invention is provided with link, cross bar and nut, fiber grating
Sensor body both ends are set with the second fixed block, and the second fixed block bottom end offers the second through-hole, and the first fixed block is embedded into
In metope, bolt being passed through into the second through-hole and is screwed into the screw hole on the first fixed block, the second fixed block is fixed with the first fixed block,
So that fiber-optic grating sensor ontology is fixed on metope, the screwed one end of cross bar from the second fixed block top first
Through-hole passes through, and cross bar fixes cross bar and the second fixed block with the nut on screw thread one end, with fiber-optic grating sensor ontology
The electric wire of connection is passed through from the fixed link in cross bar bottom end, and link plays the role of supporting electric wire, without nailing on metope
Nail catcher fixes electric wire, reduces workload.After monitoring, electric wire is extracted out from link, unscrews nut, removes cross bar, In
It loosers a bolt, removes fiber-optic grating sensor ontology, the first fixed block is left in metope, does not influence subsequent finishing.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention；
Fig. 2 is enlarged diagram at A of the invention；
Fig. 3 is overlooking structure diagram of the invention；
Fig. 4 is the right view attachment structure schematic diagram of fiber-optic grating sensor ontology of the invention.
In figure: 1, the first fixed block；2, the second fixed block；3, fiber-optic grating sensor ontology；4, bolt；5, electric wire；6,
Link；7, cross bar；8, nut；9, first through hole；10, screw hole；11, the second through-hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " rear end ",
The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end " is to be based on the orientation or positional relationship shown in the drawings, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
A kind of embodiment provided by the invention referring to FIG. 1 to FIG. 4: one kind is based on fiber grating construction sensing
Device mounting structure, including the first fixed block 1, fiber-optic grating sensor ontology 3, bolt 4 and cross bar 7, fiber-optic grating sensor sheet
Body 3 matches that (fiber-optic grating sensor ontology 3 and high speed optic fiber grating (FBG) demodulator are belonged to high speed optic fiber grating (FBG) demodulator
Existing apparatus can be used directly, therefore not repeat excessively), fiber Bragg grating (FBG) demodulator have high demodulation accuracy, high stability,
The features such as small size, low-power consumption, the frequency, demodulation frequency of 30kHz may be implemented for fiber-optic grating sensor ontology 3.High speed fibre light
Grid (FBG) demodulator uses diffraction grating demodulation mode, and the optical signal that fiber-optic grating sensor ontology 3 is fed back is divided, difference is made
The light wave of wavelength is detected by high performance CCD, and is converted into electric signal, carries out digital neutralizing eventually by hardware and software
It adjusts.Without moving member inside high speed optic fiber grating (FBG) demodulator, high reliablity is highly suitable for engineering field extreme environment operation.Together
When (FBG) demodulator can carry out multi-channel measurement with channel expansion module outside, 400 fiber-optic grating sensor ontologies 3 at most can be achieved
Real-time measurement.High speed optic fiber grating (FBG) demodulator is by 3 wavelength data of Ethernet interface agreement transmission fiber grating sensor ontology, respectively
Item setting, sensor calculate, data are shown, store and warning function is all completed by external independent computer.Computer software
It is designed using labVIEW source code, it is possible to provide client carries out secondary development.
3 both ends of fiber-optic grating sensor ontology are set with the second fixed block 2, the second fixed block 2 and optical fiber grating sensing
Device ontology 3 is fixed.Two 2 bottom ends of the second fixed block offer the second through-hole 11, and the first fixed block 1 is embedded into metope, the
One fixed block, 1 front is concordant with metope, and 1 front of the first fixed block offers screw hole 10, and screw hole 10 is aligned with the second through-hole 11, spiral shell
Hole 10 matches with bolt 4 respectively with the second through-hole 11, and bolt 4 passes through the second through-hole 11 and is screwed into screw hole 10, the second fixed block 2
It is fixed with the first fixed block 1, so that fiber-optic grating sensor ontology 3 is fixed on metope.Two 2 tops of the second fixed block are equal
First through hole 9 is offered, 7 one end of cross bar passes through first through hole 9, and 7 one end of cross bar offers screw thread, and 7 one end of cross bar is logical with first
Hole 9 matches, and two nuts 8 of 7 threaded one end of cross bar installation are bonded with 2 top two sides of the second fixed block respectively, and cross bar 7 is consolidated
It is fixed.7 bottom end of cross bar is fixed with link 6, and 3 both ends of fiber-optic grating sensor ontology are respectively connected with electric wire 5, and electric wire 5 passes through link 6,
Link 6 plays the role of supporting electric wire 5, and electric wire 5 is fixed without nailing on nail catcher on metope, reduces workload.Monitoring terminates
Afterwards, electric wire 5 is extracted out from link 6, unscrews nut 8, remove cross bar 7, loosered a bolt 4, removing fiber-optic grating sensor sheet
Body 3, the first fixed block 1 are left in metope, do not influence subsequent finishing.
Working principle: the first fixed block 1 is embedded into metope, and bolt 4 passes through the second through-hole 11 and is screwed into screw hole 10, and second
Fixed block 2 and the first fixed block 1 are fixed, so that fiber-optic grating sensor ontology 3 is fixed on metope, 7 one end of cross bar is passed through
Two nuts 8 of first through hole 9, the installation of 7 threaded one end of cross bar are bonded with 2 top two sides of the second fixed block respectively, and electric wire 5 passes through
Link 6 after monitoring, electric wire 5 is extracted out from link 6, unscrews nut 8, removes cross bar 7, is loosering a bolt 4, is removing light
Fiber grating sensor ontology 3, the first fixed block 1 are left in metope.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (4)
1. one kind is based on fiber grating construction sensor fixing structure, including the first fixed block (1), optical fiber grating sensing
Device ontology (3), bolt (4) and cross bar (7), it is characterised in that: fiber-optic grating sensor ontology (3) both ends are set with
Two fixed blocks (2), two the second fixed block (2) bottom ends offer the second through-hole (11), and first fixed block (1) is just
Face offers screw hole (10), and the bolt (4) passes through the second through-hole (11) and is screwed into screw hole (10), two second fixed blocks
(2) top offers first through hole (9), and described cross bar (7) one end passes through first through hole (9), and cross bar (7) bottom end is fixed
Have link (6), fiber-optic grating sensor ontology (3) both ends are respectively connected with electric wire (5).
2. according to claim 1 a kind of based on fiber grating construction sensor fixing structure, it is characterised in that:
The screw hole (10) is aligned with the second through-hole (11), and screw hole (10) matches with bolt (4) respectively with the second through-hole (11).
3. according to claim 1 a kind of based on fiber grating construction sensor fixing structure, it is characterised in that:
Described cross bar (7) one end offers screw thread, and cross bar (7) one end matches with first through hole (9), the installation of cross bar (7) threaded one end
Two nuts (8) be bonded respectively with the second fixed block (2) top two sides.
4. according to claim 1 a kind of based on fiber grating construction sensor fixing structure, it is characterised in that:
The electric wire (5) passes through link (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910753924.1A CN110501032B (en) | 2019-08-15 | 2019-08-15 | Sensor mounting structure for building construction based on fiber grating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910753924.1A CN110501032B (en) | 2019-08-15 | 2019-08-15 | Sensor mounting structure for building construction based on fiber grating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110501032A true CN110501032A (en) | 2019-11-26 |
| CN110501032B CN110501032B (en) | 2021-01-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910753924.1A Expired - Fee Related CN110501032B (en) | 2019-08-15 | 2019-08-15 | Sensor mounting structure for building construction based on fiber grating |
Country Status (1)
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| CN (1) | CN110501032B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003028697A (en) * | 2001-07-16 | 2003-01-29 | Sumitomo Electric Ind Ltd | Optical fiber water temperature/level sensor |
| JP2013007246A (en) * | 2011-06-27 | 2013-01-10 | Daikure Co Ltd | Method of fixing grating to ditch block, and grating |
| CN204046062U (en) * | 2014-09-06 | 2014-12-24 | 国家电网公司 | The unsettled fixed support instrument of a kind of power transmission line overhead ground wire |
| CN105043613A (en) * | 2015-06-02 | 2015-11-11 | 昆山市建设工程质量检测中心 | Cable stress measuring device based on fiber grating sensing technology |
| CN106871809A (en) * | 2017-03-28 | 2017-06-20 | 智性科技南通有限公司 | A kind of replaceable fatigue fiber Bragg grating strain sensor high |
| CN208125318U (en) * | 2018-03-27 | 2018-11-20 | 南京昕天卫光电科技有限公司 | A kind of high-speed rail suspension power supply cable force monitoring device |
| CN208998808U (en) * | 2018-12-28 | 2019-06-18 | 黑龙江工程学院 | A kind of fixed device of fiber-optic grating sensor |
-
2019
- 2019-08-15 CN CN201910753924.1A patent/CN110501032B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003028697A (en) * | 2001-07-16 | 2003-01-29 | Sumitomo Electric Ind Ltd | Optical fiber water temperature/level sensor |
| JP2013007246A (en) * | 2011-06-27 | 2013-01-10 | Daikure Co Ltd | Method of fixing grating to ditch block, and grating |
| CN204046062U (en) * | 2014-09-06 | 2014-12-24 | 国家电网公司 | The unsettled fixed support instrument of a kind of power transmission line overhead ground wire |
| CN105043613A (en) * | 2015-06-02 | 2015-11-11 | 昆山市建设工程质量检测中心 | Cable stress measuring device based on fiber grating sensing technology |
| CN106871809A (en) * | 2017-03-28 | 2017-06-20 | 智性科技南通有限公司 | A kind of replaceable fatigue fiber Bragg grating strain sensor high |
| CN208125318U (en) * | 2018-03-27 | 2018-11-20 | 南京昕天卫光电科技有限公司 | A kind of high-speed rail suspension power supply cable force monitoring device |
| CN208998808U (en) * | 2018-12-28 | 2019-06-18 | 黑龙江工程学院 | A kind of fixed device of fiber-optic grating sensor |
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| Publication number | Publication date |
|---|---|
| CN110501032B (en) | 2021-01-12 |
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