CN108445256A - A kind of optical fiber acceleration transducer and production method based on elastomer parallel connection - Google Patents
A kind of optical fiber acceleration transducer and production method based on elastomer parallel connection Download PDFInfo
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- CN108445256A CN108445256A CN201810393381.2A CN201810393381A CN108445256A CN 108445256 A CN108445256 A CN 108445256A CN 201810393381 A CN201810393381 A CN 201810393381A CN 108445256 A CN108445256 A CN 108445256A
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- elastomer
- optical fiber
- buffer body
- fibre
- tubular
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/03—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses by using non-electrical means
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- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Based on the optical fiber acceleration transducer and production method of elastomer parallel connection, optical fiber is whole through inside tubular elastomer, and the rear end of incident optical is equipped with fixing end A, front end is equipped with fixing end B；The middle part of incident optical and the output optical fiber is equipped with fibre optical sensor, and the middle part of fibre optical sensor is equipped with elastomer B；The both sides of elastomer B are respectively equipped with elastomer A and elastomer C in center array；The middle part bottom end of fixing end A and elastomer A is equipped with top in the middle part of buffer body A, fixing end B and elastomer C and is equipped with buffer body B.Extraneous vibration can be transmitted to buffer body and elastomer by tubular elastomer, and then it is applied to fibre optical sensor, its intensity, wavelength and phase can be modulated, intensity, wavelength and the phase signal by demodulating sensor can effectively detect the acceleration of extraneous vibration signal.The patent is suitable for the cascade of the sensor of single sensor and this multiple spline structure.
Description
Technical field
The present invention relates to sensor field, especially a kind of optical fiber acceleration transducer and making based on elastomer parallel connection
Method.
Background technology
Acceleration transducer is a kind of sensor that can measure acceleration.Usually by mass block, damper, elasticity member
The parts such as part, sensing element and suitable tune circuit form.Sensor passes through the survey to inertia force suffered by mass block in accelerator
Amount obtains acceleration value using Newton's second law.According to the difference of sensor sensing element, common acceleration transducer packet
Include condenser type, inductance type, strain-type, pressure resistance type, piezoelectric type etc..
Optical fiber acceleration transducer is the measurement that can be fixed on wall, road surface and guardrail for vibration, but existing
Technology in, the fixing means of optical fiber acceleration transducer is more single, and easily snaps off, and service life is short.
Invention content
In order to solve above-mentioned problems of the prior art, the present invention provides a kind of based on multimode fibre, fiber optic interferometric
Instrument, FBG, the optical fiber acceleration transducer of packet polarisation fibre etc. can be fixed on the survey for vibration on wall, road surface and guardrail
Amount.
The technical solution adopted by the present invention to solve the technical problems is：A kind of optical fiber acceleration based on elastomer parallel connection
Sensor, includes the tubular elastomer of inner hollow, and optical fiber is whole through inside tubular elastomer, and optical fiber is located at tubulose bullet
Property body front be incident optical, positioned at tubular elastomer rear portion be the output optical fiber；The rear end of incident optical is equipped with fixing end
A, fixing end A are column structures, and cross section is circle, is fixed in tubular elastomeric body by polymer material；The output optical fiber
Front end is equipped with fixing end B, fixing end B column structures, and cross section is circle, is fixed on tubular elastomer by polymer material
It is interior；The middle part of incident optical and the output optical fiber is equipped with fibre optical sensor, and the middle part of fibre optical sensor is equipped with elastomer B, elastomer B
It is cylinder, is fixed in tubular elastomeric body by polymer material；The both sides of elastomer B are respectively equipped with elasticity in center array
Body A and elastomer C；Elastomer A and elastomer C is semicylinder, is fixed in tubular elastomeric body by polymer；Fixing end A
It is equipped with top in the middle part of buffer body A, fixing end B and elastomer C with the middle part bottom end of elastomer A and is equipped with buffer body B；Buffer body A and
Buffer body B is semicircle cylinder, is fixed in tubular elastomeric body by polymer.
Compared to the prior art the present invention, the advantage is that：Fibre optical sensor can be multimode fibre, fibre optic interferometer,
FBG, packet polarisation fibre etc.；Tubular elastomer can be spring or armour cable etc., mainly for the protection of optical fiber and conduction vibration signal.Bullet
Property body and buffer body can be spring and flexible colloid, elastomer is mainly used for fixed fibre optical sensor, while effectively passing
Vibration signal is led to fibre optical sensor.Fixing end can be polymer, be mainly used for fixed incident optical and the output optical fiber.It is incident
Optical fiber and the output optical fiber can be single mode optical fiber and multimode fibre, be mainly used for conducting optical signal.Extraneous vibration can pass through tubulose
Elastomer is transmitted to buffer body and elastomer, and then is applied to fibre optical sensor, can be adjusted to its intensity, wavelength and phase
System, intensity, wavelength and phase signal by demodulating sensor can effectively detect the acceleration of extraneous vibration signal.The patent
Cascade suitable for single sensor and the sensor of this multiple spline structure.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is cross-sectional view of the present invention；
Reference sign：Incident optical 1；Tubular elastomer 2；Fixing end A3；Fixing end B4；Buffer body A5；Buffer body B6；Light
Fiber sensor 7；Elastomer A8；Elastomer B9；Elastomer C10；The output optical fiber 11.
Specific implementation mode
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the description present invention, does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
A kind of optical fiber acceleration transducer based on elastomer parallel connection includes the tubular elastomer 2 of inner hollow, optical fiber
It is whole through inside tubular elastomer 2, it is incident optical 1, positioned at tubular elastomer that optical fiber, which is located at 2 front of tubular elastomer,
2 rear portions are the output optical fiber 11.
The rear end of incident optical 1 is equipped with fixing end A3, and fixing end A3 is column structure, and cross section is circle, passes through polymerization
Object material is fixed in tubular elastomer 2；The front end of the output optical fiber 11 is equipped with fixing end B4, and fixing end B4 column structures are transversal
Face is circle, is fixed in tubular elastomer 2 by polymer material.
The middle part of incident optical 1 and the output optical fiber 11 is equipped with fibre optical sensor 7, and the middle part of fibre optical sensor 7 is equipped with elasticity
Body B9, elastomer B9 are cylinders, are fixed in tubular elastomer 2 by polymer material.
The both sides of elastomer B9 are respectively equipped with elastomer A8 and elastomer C10 in center array；Elastomer A8 and elastomer
C10 is semicylinder, is fixed in tubular elastomer 2 by polymer.
The middle part bottom end of fixing end A3 and elastomer A8 is equipped with top in the middle part of buffer body A5, fixing end B4 and elastomer C10
Equipped with buffer body B6；Buffer body A5 and buffer body B6 is semicircle cylinder, is fixed in tubular elastomer 2 by polymer.
Fibre optical sensor 7 is that multimode fibre, fibre optic interferometer, FBG or packet polarisation are fine.
Tubular elastomer 2 is spring or armour cable.
Elastomer A8, elastomer B9 and elastomer C10 and buffer body A5, buffer body B6 are spring or flexible colloid；
Elastomer A8, elastomer B9 and elastomer C10 are effectively conducted vibration signal to fibre optical sensor for fixing fibre optical sensor 7
7。
Incident optical 1 and the output optical fiber 11 are single mode optical fiber or multimode fibre, for conducting optical signal.
Fixing end A3, fixing end B4, buffer body A5, the buffer body of optical fiber acceleration transducer based on elastomer parallel connection
B6, elastomer A8, elastomer B9, elastomer C10 are all made of polymer material and are made, and are attached admittedly using formation is bonded
It is fixed.
The production method of optical fiber acceleration transducer based on elastomer parallel connection, includes the following steps：
Tubular elastomer 2 is smoothed out with the fingers directly, elastomer B9, which is filled in 2 middle part of tubular elastomer, to be adhesively fixed；Optical fiber will be carried to pass
For the optical fiber of sensor 7 through stretching out from the intermediate throughholes of elastomer B9, the part of stretching is the output optical fiber 11；The part stretched into is
Incident optical 1；
Position is adjusted, the middle part of fibre optical sensor 7 is fixed in the intermediate throughholes of elastomer B9；
Elastomer A8 is filled in into the rear and front end of fibre optical sensor 7 respectively and elastomer C10 is adhesively fixed；
Buffer body A5 is filled in into the rear and front end of elastomer A8 and elastomer C10 respectively and buffer body B6 is adhesively fixed；
Buffer body A5 and the rear and front ends buffer body B6 are filled in into fixing end A3 respectively and fixing end B4 is adhesively fixed.
Although the various embodiments described above are described, once a person skilled in the art knows basic wounds
The property made concept, then additional changes and modifications can be made to these embodiments, so these are only the embodiment of the present invention, not
Therefore the scope of patent protection of the present invention is limited, it is every to utilize equivalent structure made by description of the invention and accompanying drawing content or wait
Flow transformation is imitated, the patent protection for being similarly included in the present invention is applied directly or indirectly in other relevant technical fields,
Within the scope of.
Claims (6)
1. a kind of optical fiber acceleration transducer based on elastomer parallel connection, which is characterized in that include the tubulose bullet of inner hollow
Property body（2）, optical fiber is integrally through tubular elastomer（2）Inside, optical fiber are located at tubular elastomer（2）Front is incident optical
（1）, be located at tubular elastomer（2）Rear portion is the output optical fiber（11）；
Incident optical（1）Rear end be equipped with fixing end A（3）, fixing end A（3）It is column structure, cross section is circle, by poly-
It closes object material and is fixed on tubular elastomer（2）It is interior；The output optical fiber（11）Front end be equipped with fixing end B（4）, fixing end B（4）Cylinder
Structure, cross section are circle, are fixed on tubular elastomer by polymer material（2）It is interior；
Incident optical（1）And the output optical fiber（11）Middle part be equipped with fibre optical sensor（7）, fibre optical sensor（7）Middle part be equipped with
Elastomer B（9）, elastomer B（9）It is cylinder, tubular elastomer is fixed on by polymer material（2）It is interior；
Elastomer B（9）Both sides be respectively equipped with elastomer A in center array（8）With elastomer C（10）；Elastomer A（8）And bullet
Property body C（10）It is semicylinder, tubular elastomer is fixed on by polymer（2）It is interior；
Fixing end A（3）With elastomer A（8）Middle part bottom end be equipped with buffer body A（5）, fixing end B（4）With elastomer C（10）In
Portion top is equipped with buffer body B（6）；Buffer body A（5）With buffer body B（6）It is semicircle cylinder, pipe is fixed on by polymer
Shape elastomer（2）It is interior.
2. the optical fiber acceleration transducer according to claim 1 based on elastomer parallel connection, which is characterized in that the optical fiber
Sensor（7）It is fine for multimode fibre, fibre optic interferometer, FBG or packet polarisation.
3. the optical fiber acceleration transducer according to claim 1 based on elastomer parallel connection, which is characterized in that the tubulose
Elastomer（2）For spring or armour cable.
4. the optical fiber acceleration transducer according to claim 1 based on elastomer parallel connection, which is characterized in that the elasticity
Body A（8）, elastomer B（9）With elastomer C（10）With buffer body A（5）, buffer body B（6）For spring or flexible colloid；Institute
State elastomer A（8）, elastomer B（9）With elastomer C（10）For fixing fibre optical sensor（7）, it is effectively conducted vibration signal and arrives
Fibre optical sensor（7）.
5. the optical fiber acceleration transducer according to claim 1 based on elastomer parallel connection, which is characterized in that the incidence
Optical fiber（1）And the output optical fiber（11）For single mode optical fiber or multimode fibre, for conducting optical signal.
6. the production method of the optical fiber acceleration transducer based on elastomer parallel connection, which is characterized in that include the following steps：
By tubular elastomer（2）It smoothes out with the fingers directly, by elastomer B（9）Fill in tubular elastomer（2）Middle part is adhesively fixed；It will carry
Fibre optical sensor（7）Optical fiber from elastomer B（9）Intermediate throughholes in through stretching out, the part of stretching is the output optical fiber（11）；
The part stretched into is incident optical（1）；
Position is adjusted, by fibre optical sensor（7）Middle part be fixed on elastomer B（9）Intermediate throughholes in；
By fibre optical sensor（7）Rear and front end fill in elastomer A respectively（8）With elastomer C（10）It is adhesively fixed；
By elastomer A（8）With elastomer C（10）Rear and front end fill in buffer body A respectively（5）With buffer body B（6）It is bonded
It is fixed；
By buffer body A（5）With buffer body B（6）Fixing end A is filled in rear and front end respectively（3）With fixing end B（4）Bond solid
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810393381.2A CN108445256A (en) | 2018-04-27 | 2018-04-27 | A kind of optical fiber acceleration transducer and production method based on elastomer parallel connection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810393381.2A CN108445256A (en) | 2018-04-27 | 2018-04-27 | A kind of optical fiber acceleration transducer and production method based on elastomer parallel connection |
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| Publication Number | Publication Date |
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| CN108445256A true CN108445256A (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810393381.2A Pending CN108445256A (en) | 2018-04-27 | 2018-04-27 | A kind of optical fiber acceleration transducer and production method based on elastomer parallel connection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674349A (en) * | 2022-03-14 | 2022-06-28 | 麒盛科技股份有限公司 | Monitoring device based on optical fiber microbend |
| CN114674349B (en) * | 2022-03-14 | 2024-06-04 | 麒盛科技股份有限公司 | Monitoring device based on optical fiber microbending |
-
2018
- 2018-04-27 CN CN201810393381.2A patent/CN108445256A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674349A (en) * | 2022-03-14 | 2022-06-28 | 麒盛科技股份有限公司 | Monitoring device based on optical fiber microbend |
| CN114674349B (en) * | 2022-03-14 | 2024-06-04 | 麒盛科技股份有限公司 | Monitoring device based on optical fiber microbending |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180824 |
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| WD01 | Invention patent application deemed withdrawn after publication |