CN108917952A - A kind of Double-pigtail optical fiber grating temperature sensor protective device - Google Patents
A kind of Double-pigtail optical fiber grating temperature sensor protective device Download PDFInfo
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- CN108917952A CN108917952A CN201810889410.4A CN201810889410A CN108917952A CN 108917952 A CN108917952 A CN 108917952A CN 201810889410 A CN201810889410 A CN 201810889410A CN 108917952 A CN108917952 A CN 108917952A
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- optical fiber
- lower casing
- shell
- sensor
- fiber grating
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 35
- 230000001681 protective effect Effects 0.000 title claims abstract description 21
- 238000013016 damping Methods 0.000 claims abstract description 16
- 239000006260 foam Substances 0.000 claims description 10
- 239000000835 fiber Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract description 4
- 238000002310 reflectometry Methods 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract description 3
- 238000011900 installation process Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 239000011540 sensing material Substances 0.000 description 2
- -1 amplitude Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a kind of Double-pigtail optical fiber grating temperature sensor protective devices, including upper shell, lower casing and sensor body, upper shell and lower casing are rotatablely connected by shaft, upper shell and lower casing junction are equipped with handle, handle is equipped with grip handle lock, this sensor protection shell is using, this design plays a protective role to sensor body, prevent sensor body at work, because of extraneous stress effect and sensor, lead to the wave length shift of fiber grating, the negative effects such as reflectivity decline, it prevents from the construction process to damage sensor and the optical cable of connection simultaneously, guarantee normal acquisition and the transmission of signal, the design of damping device, the shaking of top box body shell and nowel body shell during the installation process can be alleviated, lead to the phenomenon of optical fiber breakage；The design of rubber pad and spongy layer, the dust that can be reduced in air enters in sensor, impacts to measurement result, while increasing service life.
Description
Technical field
The present invention relates to protective device technical field more particularly to a kind of Double-pigtail optical fiber grating temperature sensor protection dresses
It sets.
Background technique
Fibre optic temperature sensor is coated in two using the macromolecule temperature sensing material that a kind of and optical fibre refractivity matches and melts
The outside of fiber being connected together makes luminous energy input the reflecting surface from another optical fiber output, due to this novel by an optical fiber
Temperature sensing material is affected by temperature, and refractive index changes, therefore the optical power and temperature exported is in functional relation.Its physical essence
Be using the characteristic parameter of the light wave transmitted in optical fiber, such as amplitude, phase, polarization state, wavelength and mode, to external environment because
Element, such as temperature, pressure, radiation etc. have sensitivity characteristic.It belongs to contactless temperature-measuring.
Existing fibre optic temperature sensor at work it is exposed outside, since extraneous stress acts on sensor, can lead
The negative effects such as wave length shift, the reflectivity decline of fiber grating are caused, the dust in air enters in sensor, can reduce sensing
The service life of device.Therefore, those skilled in the art provide a kind of Double-pigtail optical fiber grating temperature sensor protective device, with
Solve the problems mentioned above in the background art.
Summary of the invention
To solve technical problem present in background technique, the present invention proposes a kind of Double-pigtail optical fiber grating temperature sensor
Protective device.
A kind of Double-pigtail optical fiber grating temperature sensor protective device proposed by the present invention, including upper shell, lower casing and
Sensor body, upper shell and lower casing are rotatablely connected by shaft, and upper shell and lower casing junction are equipped with handle, and handle is set
There is grip handle lock, the junction that upper shell and lower casing correspond to handle is equipped with rubber pad, upper cage connection support column, and support column
Support chip is connected, support chip connects top box body shell, and lower casing connects nowel body shell with support chip by support column；
Casing is equipped with inside upper shell and lower casing, casing runs through the junction of upper shell and lower casing, and casing is separate
One end of top box body shell is equipped with screwed pipe, and screwed pipe is threadedly coupled threaded sleeve；
Damping device is equipped with inside top box body shell and nowel body shell, damping device connects support plate, and support plate is separate to be subtracted
The both ends for shaking device are equipped with foam filled layer, and several pillars are equipped among the foam filled layer of both ends, is equipped with and passes among upper lower supporting rod
Sensor ontology.
As a further solution of the present invention：Sensor body both ends are equipped with optical fiber, and optical fiber connects through foam filled layer
Female connector pipe.
As further scheme of the invention：Optical fiber connects contact, and contact is located on the outside of screwed pipe.
As further scheme of the invention：Groove is equipped with inside damping device, and inside grooves are equipped with spring.
As further scheme of the invention：Lower spring end is equipped with sliding block, and sliding block corresponds to top box body shell and lower box
Shell, which goes out, is equipped with top plate.
As further scheme of the invention：Sliding block is slidably connected groove inner wall, and groove corresponds to sliding block and is equipped with limit
Block.
Compared with prior art, the beneficial effects of the invention are as follows：
1, this protector for sensor when in use, opens grip handle lock, pull handle, shaft rotation, by upper shell under
Shell separation, top box body shell and nowel body shell separate simultaneously at this time, sensor body are placed in lower casing, and by sensor sheet
The contact at body both ends passes through casing, and exposes from screwed pipe, and fixed contact with threaded sleeve, and pull handle, makes again
Shell and lower casing closure, this design play a protective role to sensor body, sensor body are prevented at work, because outside
Boundary's stress and sensor lead to the negative effects such as wave length shift, the reflectivity decline of fiber grating, while preventing from constructing
Sensor and the optical cable of connection will not be damaged in the process, guarantee normal acquisition and the transmission of signal.
2, in this protector for sensor damping device design, top box body shell and nowel body shell can be alleviated in installation process
In shaking, lead to the phenomenon of optical fiber breakage；The design of rubber pad and spongy layer, the dust that can be reduced in air enter sensor
In, measurement result is impacted, while increasing service life.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Double-pigtail optical fiber grating temperature sensor protective device.
Fig. 2 is a kind of sectional view of Double-pigtail optical fiber grating temperature sensor protective device.
Fig. 3 is the internal junction of top box body shell and nowel body shell in a kind of Double-pigtail optical fiber grating temperature sensor protective device
Structure schematic diagram.
Fig. 4 is a kind of structural schematic diagram of damping device in Double-pigtail optical fiber grating temperature sensor protective device.
In figure：The upper shell of 1-, 2- lower casing, 3- shaft, 4- handle, 5- grip handle lock, 6- support column, 7- support chip, on 8-
Cabinet shell, 9- nowel body shell, 10- rubber pad, 11- spongy layer, 12- casing, 13- screwed pipe, 14- threaded sleeve, 15- contact,
16- optical fiber, 17- damping device, 18- support plate, 19- foam filled layer, 20- pillar, 21- sensor body, 22- groove, 23-
Spring, 24- sliding block, 25- top plate.
Specific embodiment
As Figure 1-Figure 4, a kind of Double-pigtail optical fiber grating temperature sensor protective device proposed by the present invention, including it is upper
Shell 1, lower casing 2 and sensor body 21, upper shell 1 and lower casing 2 are rotatablely connected by shaft 3, upper shell 1 and lower casing
2 junctions are equipped with handle 4, and handle 4 is equipped with grip handle lock 5, and the junction that upper shell 1 and lower casing 2 correspond to handle 4 is equipped with rubber
Pad 10, upper shell 1 connects support column 6, and support column 6 connects support chip 7, and support chip 7 connects top box body shell 8, and lower casing 1 passes through
Support column 6 and support chip 7 connect nowel body shell 9；
Casing 12 is equipped with inside upper shell 1 and lower casing 2, casing 12 runs through the junction of upper shell 1 and lower casing 2, and
Casing 12 is equipped with screwed pipe 13 far from one end of top box body shell 8, and screwed pipe 14 is threadedly coupled threaded sleeve 14；
Damping device 17 is equipped with inside top box body shell 8 and nowel body shell 9, damping device 17 connects support plate 18, support
Plate 18 is equipped with foam filled layer 19 far from the both ends of damping device 17, is equipped with several pillars 20 among both ends foam filled layer 19,
Sensor body 21 is equipped among upper lower supporting rod 20.
21 both ends of sensor body are equipped with optical fiber 16, and optical fiber 16 runs through 19 connecting sleeve 12 of foam filled layer.
Optical fiber 16 connects contact 15, and contact 15 is located at 14 outside of screwed pipe.
It is equipped with groove 22 inside damping device 17, and is equipped with spring 23 inside groove 22.
23 lower end of spring is equipped with sliding block 24, and the corresponding top box body shell 8 of sliding block 24 and nowel body shell 9 go out to be equipped with top plate 25.
Sliding block 24 is slidably connected 22 inner wall of groove, and the corresponding sliding block 24 of groove 22 is equipped with limited block.
This protector for sensor when in use, opens grip handle lock 5, pull handle 4, shaft 3 rotates, by upper 1 He of shell
Lower casing 2 separates, and top box body shell 8 and nowel body shell 9 separate simultaneously at this time, and sensor body 21 is placed in lower casing 2, and will
The contact 15 at 21 both ends of sensor body passes through casing 12, and exposes from screwed pipe 13, and consolidated contact 15 with threaded sleeve 15
Fixed, pull handle 4, are closed shell 1 and lower casing 2, this design plays a protective role to sensor body 21, prevents again
Sensor body 21 at work, because extraneous stress acts on sensor, causes under the wave length shift of fiber grating, reflectivity
The negative effect such as drop, while preventing from the construction process to damage sensor and the optical cable of connection, guarantee signal
Normal acquisition and biography；The design of damping device can alleviate the shaking of top box body shell 8 and nowel body shell 9 during the installation process, cause
The phenomenon of optical fiber breakage；The design of rubber pad 10 and spongy layer 11, the dust that can be reduced in air enters in sensor, to measurement
As a result it impacts, while increasing service life.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of Double-pigtail optical fiber grating temperature sensor protective device, including upper shell (1), lower casing (2) and sensor sheet
Body (21), which is characterized in that upper shell (1) and lower casing (2) are rotatablely connected by shaft (3), upper shell (1) and lower casing
(2) junction is equipped with handle (4), and handle (4) is equipped with grip handle lock (5), the company of upper shell (1) and lower casing (2) corresponding handle (4)
The place of connecing is equipped with rubber pad (10), and upper shell (1) connects support column (6), and support column (6) connection support chip (7), support chip
(7) top box body shell (8) are connected, lower casing (1) passes through support column (6) and support chip (7) connection nowel body shell (9)；
Casing (12) are equipped with inside upper shell (1) and lower casing (2), casing (12) runs through the company of upper shell (1) and lower casing (2)
Place is met, and casing (12) is equipped with screwed pipe (13) far from the one end of top box body shell (8), and screwed pipe (14) is threadedly coupled thread bush
It manages (14)；
It is equipped with damping device (17) inside top box body shell (8) and nowel body shell (9), damping device (17) connects support plate
(18), support plate (18) is equipped with foam filled layer (19) far from the both ends of damping device (17), in both ends foam filled layer (19)
Between be equipped with several pillars (20), be equipped with sensor body (21) among upper lower supporting rod (20).
2. a kind of Double-pigtail optical fiber grating temperature sensor protective device according to claim 1, which is characterized in that sensing
Device ontology (21) both ends are equipped with optical fiber (16), and optical fiber (16) runs through foam filled layer (19) connecting sleeve (12).
3. a kind of Double-pigtail optical fiber grating temperature sensor protective device according to claim 2, which is characterized in that optical fiber
(16) contact (15) are connected, and contact (15) is located on the outside of screwed pipe (14).
4. a kind of Double-pigtail optical fiber grating temperature sensor protective device according to claim 1, which is characterized in that damping
Groove (22) are equipped with inside device (17), and are equipped with spring (23) inside groove (22).
5. a kind of Double-pigtail optical fiber grating temperature sensor protective device according to claim 4, which is characterized in that spring
(23) lower end is equipped with sliding block (24), and sliding block (24) corresponding top box body shell (8) and nowel body shell (9) go out to be equipped with top plate (25).
6. a kind of Double-pigtail optical fiber grating temperature sensor protective device according to claim 4 or 5, which is characterized in that
Sliding block (24) is slidably connected groove (22) inner wall, and groove (22) corresponding sliding block (24) is equipped with limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810889410.4A CN108917952A (en) | 2018-08-07 | 2018-08-07 | A kind of Double-pigtail optical fiber grating temperature sensor protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810889410.4A CN108917952A (en) | 2018-08-07 | 2018-08-07 | A kind of Double-pigtail optical fiber grating temperature sensor protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108917952A true CN108917952A (en) | 2018-11-30 |
Family
ID=64393646
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810889410.4A Pending CN108917952A (en) | 2018-08-07 | 2018-08-07 | A kind of Double-pigtail optical fiber grating temperature sensor protective device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108917952A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323056A (en) * | 2020-04-09 | 2020-06-23 | 南京东大智能化系统有限公司 | Optical fiber sensor with edge protection structure |
| CN116007525A (en) * | 2023-03-24 | 2023-04-25 | 石家庄宜中机电技术有限公司 | On-line monitoring device for dense grating of deformation of coal mine shaft wall |
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|---|---|---|---|---|
| CN102095521A (en) * | 2009-12-09 | 2011-06-15 | 天津金工机械设备制造有限公司 | Double-pigtail optical fiber grating temperature sensor |
| CN203522580U (en) * | 2013-09-30 | 2014-04-02 | 西安科技大学 | Omnidirectional vibration energy collecting device |
| CN204533349U (en) * | 2015-02-14 | 2015-08-05 | 吉林大学 | A kind of bionical vibration damping equipment of Electronic Nose gas compartment |
| CN106339039A (en) * | 2016-09-30 | 2017-01-18 | 成都言行果科技有限公司 | Falling-prevention and vibration-absorption tablet computer with multifunctional bracket |
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| CN107839967A (en) * | 2017-10-29 | 2018-03-27 | 北海南坡腕网络技术有限公司 | A kind of robot anticollision transport case |
| CN107985812A (en) * | 2017-12-11 | 2018-05-04 | 重庆电子工程职业学院 | A kind of sensor-based transport safely uses transfer device |
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2018
- 2018-08-07 CN CN201810889410.4A patent/CN108917952A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| CN102095521A (en) * | 2009-12-09 | 2011-06-15 | 天津金工机械设备制造有限公司 | Double-pigtail optical fiber grating temperature sensor |
| CN203522580U (en) * | 2013-09-30 | 2014-04-02 | 西安科技大学 | Omnidirectional vibration energy collecting device |
| CN204533349U (en) * | 2015-02-14 | 2015-08-05 | 吉林大学 | A kind of bionical vibration damping equipment of Electronic Nose gas compartment |
| CN106339039A (en) * | 2016-09-30 | 2017-01-18 | 成都言行果科技有限公司 | Falling-prevention and vibration-absorption tablet computer with multifunctional bracket |
| CN207083889U (en) * | 2017-06-15 | 2018-03-13 | 武汉市农业科学技术研究院农业机械化科学研究所 | A kind of multi-functional fresh and living aquatic products transport case of self power generation thermometric |
| CN107839967A (en) * | 2017-10-29 | 2018-03-27 | 北海南坡腕网络技术有限公司 | A kind of robot anticollision transport case |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323056A (en) * | 2020-04-09 | 2020-06-23 | 南京东大智能化系统有限公司 | Optical fiber sensor with edge protection structure |
| CN116007525A (en) * | 2023-03-24 | 2023-04-25 | 石家庄宜中机电技术有限公司 | On-line monitoring device for dense grating of deformation of coal mine shaft wall |
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