CN208399003U - A kind of optical fiber grating vibration sensor device based on low reflection - Google Patents
A kind of optical fiber grating vibration sensor device based on low reflection Download PDFInfo
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- CN208399003U CN208399003U CN201821076962.5U CN201821076962U CN208399003U CN 208399003 U CN208399003 U CN 208399003U CN 201821076962 U CN201821076962 U CN 201821076962U CN 208399003 U CN208399003 U CN 208399003U
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- optical fiber
- vibration sensor
- shell
- fiber grating
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Abstract
The utility model discloses a kind of optical fiber grating vibration sensor devices based on low reflection, including shell, the inside of the shell is fixedly connected with elastic steel strip by fixing seat, the end of the elastic steel strip is provided with optical fiber raster vibration sensor, flexible glue layer is provided on the inside of the shell, the bottom end of the shell is provided with bottom end mounting box, the bottom end of the bottom end mounting box is provided with fixed column, there are four the fixed column is arranged altogether, four fixed column rectangular array shapes are distributed in the bottom end of bottom end mounting box, and the bottom end of fixed column is provided with sucker disk seat, the bottom end of the sucker disk seat is provided with sucker, the utility model is provided with elastic steel strip, shell and elastic steel strip, when solving using optical fiber grating vibration sensor device, the sensitivity of optical fiber raster vibration sensor is limited, sensing device is difficult to increase optical fiber raster vibration The sensitivity of sensor, the problem of influencing the using effect of optical fiber grating vibration sensor device.
Description
Technical field
The utility model belongs to optical fiber grating vibration sensor equipment technical field, and in particular to a kind of light based on low reflection
Fine grating vibration sensing device.
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, Ci Zhongchuan
Sensor is most widely used in engineering field, the most mature fibre optical sensor of technology.Strain directly affects the wave of fiber grating
Long drift, in the case where working environment is preferable or the smart small sensor of structural requirement to be measured, people using bare optical fibers and bare optical gratings as
Strain transducer is affixed directly to either be embedded in the inside of structure to the surface of geodesic structure.
But optical fiber grating vibration sensor device currently on the market still has certain defect during use,
For example, the sensitivity of optical fiber raster vibration sensor is limited when using optical fiber grating vibration sensor device, sensing device is difficult to increase
The sensitivity for adding optical fiber raster vibration sensor influences the using effect of optical fiber grating vibration sensor device, simultaneously because optical fiber
Grating vibration sensing device be difficult to it is stable be fixed to a variety of mounting planes, it is easy to use to influence optical fiber grating vibration sensor device
Property.
Utility model content
The purpose of this utility model is to provide a kind of optical fiber grating vibration sensor devices based on low reflection, on solving
When stating the use optical fiber grating vibration sensor device proposed in background technique, sensing device is difficult to increase optical fiber grating vibration sensor
The sensitivity of device and optical fiber grating vibration sensor device are difficult to stable the problem of being fixed to a variety of mounting planes.
To achieve the above object, the utility model provides the following technical solutions: a kind of fiber grating vibration based on low reflection
Dynamic sensing device, including shell, the inside of the shell are fixedly connected with elastic steel strip by fixing seat, the elastic steel strip
End is provided with optical fiber raster vibration sensor, and flexible glue layer is provided on the inside of the shell, and the bottom end of the shell is provided with
Bottom end mounting box, the bottom end of the bottom end mounting box are provided with fixed column, and there are four the fixed column is arranged altogether, four described solid
Fixed column rectangular array shape is distributed in the bottom end of bottom end mounting box, and the bottom end of fixed column is provided with sucker disk seat, the sucker disk seat
Bottom end be provided with sucker, the inside of the sucker disk seat is through there is an air intake duct, and the air intake duct is through the bottom of bottom end mounting box
The inside of bottom end mounting box is held and extends to, the side of the bottom end mounting box is provided with connecting pipe, the connecting pipe
End is provided with micropump.
Preferably, the side of the shell is provided with fixed installation bar, and the end that bar is fixedly mounted is provided with installation
Plate, the inside of the mounting plate, which is run through, installation bolt.
Preferably, there are two the fixed installation bar is arranged altogether, two fixed installation bars are respectively positioned on the side of shell.
Preferably, the elastic steel strip is set as cuboid strip structure.
Preferably, the connecting pipe is set as L-type tubular structure.
Preferably, the top of the micropump is provided with miniature switch pump, the miniature switch pump and optical fiber raster vibration
Sensor is electrically connected with external power supply.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model is provided with elastic steel strip, shell and elastic steel strip, when mounting plane generates vibration, shell
Vibration is generated, shell drives the elastic steel strip vibration of inside, since elastic steel strip is the soft steel bar structure of strip, elastic steel strip
When being fixed on the side generation vibration of shell, the optical fiber raster vibration sensor of elastic steel strip end generates bigger vibration, just
The vibration of object is more sensitively perceived in optical fiber raster vibration sensor, enhances the sensitivity of sensing device, solves use
When optical fiber grating vibration sensor device, the sensitivity of optical fiber raster vibration sensor is limited, and sensing device is difficult to increase optical fiber light
The sensitivity of grid vibrating sensor, the problem of influencing the using effect of optical fiber grating vibration sensor device.
(2) the utility model is provided with sucker, bottom end mounting box and micropump, and the openable miniature switch pump of user is micro-
Type pump operation, micropump are extracted the air on the inside of the mounting box of bottom end by connecting pipe, form negative pressure, bottom on the inside of the mounting box of bottom end
It holds mounting box to draw the air on the inside of air intake duct, forms negative pressure on the inside of air intake duct, form negative pressure on the inside of sucker, sucker is in atmospheric pressure
Under the action of can be fixed on mounting plane, convenient for device stablize fix, when avoiding using optical fiber grating vibration sensor device,
Due to optical fiber grating vibration sensor device be difficult to it is stable be fixed to a variety of mounting planes, influence optical fiber grating vibration sensor device
The problem of property easy to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is the side view of the utility model.
In figure: the fixed peace of the bottom end 1- mounting box, 2- sucker disk seat, 3- air intake duct, 4- fixed column, 5- sucker, 6- mounting plate, 7-
Fill bar, 8- installation bolt, 9- shell, 10- elastic steel strip, 11- optical fiber raster vibration sensor, 12- flexible glue layer, 13- micropump,
The miniature switch pump of 14- connecting pipe, 15-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-3, the utility model provides a kind of technical solution: a kind of fiber grating vibration based on low reflection
Dynamic sensing device, including shell 9, the inside of shell 9 are fixedly connected with elastic steel strip 10, the end of elastic steel strip 10 by fixing seat
End is provided with optical fiber raster vibration sensor 11, and shell 9 drives the elastic steel strip 10 of inside to vibrate, since elastic steel strip 10 is length
Bar shaped soft steel bar structure is convenient for optical fiber raster vibration sensor when the side that elastic steel strip 10 is fixed on shell 9 generates vibration
11 generate bigger vibration, enhance sensitivity, and the inside of shell 9 is provided with flexible glue layer 12, and the bottom end of shell 9 is provided with bottom end peace
Mounted box 1, the bottom end of bottom end mounting box 1 are provided with fixed column 4, and for fixed column 4 altogether there are four settings, four fixed columns 4 are in rectangle battle array
Column-shaped is distributed in the bottom end of bottom end mounting box 1, and the bottom end of fixed column 4 is provided with sucker disk seat 2, and the bottom end of sucker disk seat 2 is provided with
Sucker 5, the inside of sucker disk seat 2 through there is an air intake duct 3, air intake duct 3 through bottom end mounting box 1 bottom end and extend to bottom end and pacify
The inside of mounted box 1, the side of bottom end mounting box 1 are provided with connecting pipe 14, and the end of connecting pipe 14 is provided with micropump 13.
In the present embodiment, it is preferred that the side of shell 9, which is provided with, is fixedly mounted bar 7, and the end setting of bar 7 is fixedly mounted
There is mounting plate 6, the inside of mounting plate 6 can mount a device onto mounting surface by installing bolt 8 through there is installation bolt 8.
In the present embodiment, it is preferred that be fixedly mounted there are two the total settings of bar 7, two fixed installation bars 7 are respectively positioned on shell 9
Side, convenient for device stablize installation.
In the present embodiment, it is preferred that elastic steel strip 10 is set as cuboid strip structure, generates vibration convenient for elastic steel strip 10
It is dynamic.
In the present embodiment, it is preferred that connecting pipe 14 is set as L-type tubular structure, passes through connecting tube convenient for micropump 13
Extract the air in bottom end mounting box 1 in road 14.
In the present embodiment, it is preferred that the top of micropump 13 is provided with miniature switch pump 15, miniature 15 He of switch pump
Optical fiber raster vibration sensor 11 is electrically connected with external power supply, convenient for controlling the operation of micropump 13.
The working principle and process for using of the utility model: when the utility model is used, user's engaging means power supply,
User can mount a device onto mounting surface by installing bolt 8, when mounting surface is not suitable for installing using installation bolt 8, make
The openable miniature switch pump 15 of user, micropump 13 are run, and micropump 13 extracts 1 inside of bottom end mounting box by connecting pipe 14
Air, negative pressure is formed on the inside of bottom end mounting box 1, bottom end mounting box 1 draws the air of 3 inside of air intake duct, 3 inside shape of air intake duct
At negative pressure, negative pressure is formed on the inside of sucker 5, sucker 5 can be fixed on mounting plane, sucker 5, sucker disk seat 2 under atmospheric pressure
Stablizing for device is fixed with fixed column 4, when mounting plane generates vibration, shell 9 generates vibration, and shell 9 drives inside
Elastic steel strip 10 vibrates, and since elastic steel strip 10 is the soft steel bar structure of strip, elastic steel strip 10 is fixed on the side of shell 9
When generating vibration, the optical fiber raster vibration sensor 11 of 10 end of elastic steel strip generates bigger vibration, shakes convenient for fiber grating
Dynamic sensor 11 more sensitively perceives the vibration of object, enhances the sensitivity of sensing device.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of optical fiber grating vibration sensor device based on low reflection, including shell (9), it is characterised in that: the shell (9)
Inside be fixedly connected with elastic steel strip (10) by fixing seat, the end of the elastic steel strip (10) be provided with fiber grating vibration
It moves sensor (11), is provided with flexible glue layer (12) on the inside of the shell (9), the bottom end of the shell (9) is provided with bottom end peace
The bottom end of mounted box (1), the bottom end mounting box (1) is provided with fixed column (4), and there are four the total settings of the fixed column (4), and four
Fixed column (4) the rectangular array shape is distributed in the bottom end of bottom end mounting box (1), and the bottom end of fixed column (4) is provided with suction
The bottom end of disk seat (2), the sucker disk seat (2) is provided with sucker (5), and the inside of the sucker disk seat (2), which is run through, air intake duct (3),
The air intake duct (3) through bottom end mounting box (1) bottom end and extend to the inside of bottom end mounting box (1), the bottom end peace
The side of mounted box (1) is provided with connecting pipe (14), and the end of the connecting pipe (14) is provided with micropump (13).
2. a kind of optical fiber grating vibration sensor device based on low reflection according to claim 1, it is characterised in that: described
The side of shell (9), which is provided with, is fixedly mounted bar (7), and the end that bar (7) are fixedly mounted is provided with mounting plate (6), described
The inside of mounting plate (6), which is run through, installation bolt (8).
3. a kind of optical fiber grating vibration sensor device based on low reflection according to claim 2, it is characterised in that: described
It is fixedly mounted there are two bar (7) total settings, two fixed installation bars (7) are respectively positioned on the side of shell (9).
4. a kind of optical fiber grating vibration sensor device based on low reflection according to claim 1, it is characterised in that: described
Elastic steel strip (10) is set as cuboid strip structure.
5. a kind of optical fiber grating vibration sensor device based on low reflection according to claim 1, it is characterised in that: described
Connecting pipe (14) is set as L-type tubular structure.
6. a kind of optical fiber grating vibration sensor device based on low reflection according to claim 1, it is characterised in that: described
The top of micropump (13) is provided with miniature switch pump (15), the miniature switch pump (15) and optical fiber raster vibration sensor
(11) it is electrically connected with external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076962.5U CN208399003U (en) | 2018-07-09 | 2018-07-09 | A kind of optical fiber grating vibration sensor device based on low reflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076962.5U CN208399003U (en) | 2018-07-09 | 2018-07-09 | A kind of optical fiber grating vibration sensor device based on low reflection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208399003U true CN208399003U (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821076962.5U Active CN208399003U (en) | 2018-07-09 | 2018-07-09 | A kind of optical fiber grating vibration sensor device based on low reflection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683311A (en) * | 2020-12-04 | 2021-04-20 | 长春工业大学 | Multichannel high-speed fiber grating demodulating equipment |
-
2018
- 2018-07-09 CN CN201821076962.5U patent/CN208399003U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683311A (en) * | 2020-12-04 | 2021-04-20 | 长春工业大学 | Multichannel high-speed fiber grating demodulating equipment |
| CN112683311B (en) * | 2020-12-04 | 2022-11-18 | 长春工业大学 | Multichannel high-speed fiber grating demodulating equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210423 Address after: No. 112, area C, Liye building, sensor network University Science Park, taikeyuan, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee after: WUXI ALLIANSTREAM PHOTON TECHNOLOGY Co.,Ltd. Address before: 368 Zhenning East Road, Zhetang Town, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Patentee before: NANJING GUIYUAN PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230812 Address after: No. 1, Building 6, Qianren Entrepreneurship Park, Economic Development Zone, No. 98 Huiming Road, Fenghua District, Ningbo City, Zhejiang Province, 315500 Patentee after: Ningbo Lianhe Photonics Technology Co.,Ltd. Address before: No. 112, area C, Liye building, sensor network University Science Park, taikeyuan, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee before: WUXI ALLIANSTREAM PHOTON TECHNOLOGY CO.,LTD. |