CN209673629U - A kind of fiber bragg grating temperature sensor - Google Patents
A kind of fiber bragg grating temperature sensor Download PDFInfo
- Publication number
- CN209673629U CN209673629U CN201920341855.9U CN201920341855U CN209673629U CN 209673629 U CN209673629 U CN 209673629U CN 201920341855 U CN201920341855 U CN 201920341855U CN 209673629 U CN209673629 U CN 209673629U
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- China
- Prior art keywords
- shell
- fiber
- pedestal
- bragg grating
- utility
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Abstract
The utility model discloses a kind of fiber bragg grating temperature sensors, including shell and pedestal, the bottom position of the shell is socketed with pedestal, the right side middle position of the shell is provided with optic fibre hole, venthole is provided at the top position of the shell, the utility model has installed shell additional based on the existing equipment, venthole and pedestal, the venthole on shell can allow the utility model to maintain the circulation of air in the process of work simultaneously, shell and pedestal effectively can play defencive function to fiber coupler during utility model works, the effective service life for improving the utility model, simultaneously when the utility model failure needs repairing and replaces, user can remove shell from pedestal, then fiber coupler is removed from fixing groove, then replacement is repaired, after the completion of maintenance replacement , it is inserted into mounting hole by plug and is fixed together shell and pedestal, reduces the cost of more exchange device.
Description
Technical field
The utility model belongs to fibre optical sensor correlative technology field, and in particular to a kind of fiber bragg grating temperature sensor.
Background technique
Fibre optical sensor is a kind of sensor that the state of measurand is changed into measurable optical signal.Fibre optical sensor
Working principle be by the light beam of light source incidence via optical fiber be sent into modulator, it is mutual with extraneous measured parameter in modulator
Effect, makes intensity, wavelength, frequency, phase, the polarization state etc. of the optical property such as light of light change, becomes the light modulated
Signal obtains measured parameter after being sent into photoelectric device, demodulated device using optical fiber.In whole process, light beam is led via optical fiber
Enter, by projecting again after modulator, wherein the effect of optical fiber is transmitting beam first, followed by plays the role of optical modulator.
Existing fiber bragg grating temperature sensor technology has the following problems: existing fiber bragg grating temperature sensor is in work
It is easy to be corroded by external environment during work, causes equipment to be easy to appear malfunction or damage, equipment breaks down damage need to
When repairing replacement, user needs integrally to repair equipment replacement, improves the use cost of user, while also holding
It easily leads to equipment to break down to external infomation detection, user's the data obtained is caused to malfunction.
Utility model content
The purpose of this utility model is to provide a kind of fiber bragg grating temperature sensors, to solve to mention in above-mentioned background technique
Out be easily damaged the problem high with maintenance cost.
To achieve the above object, the utility model provides the following technical solutions: a kind of fiber bragg grating temperature sensor, including
Shell and pedestal, the bottom position of the shell are socketed with pedestal, and the right side middle position of the shell is provided with optical fiber
Hole is provided with venthole at the top position of the shell.
Preferably, the shell includes mounting rack, snorkel, fixing clamp, connection frame and plug, the lower section of the mounting rack
It is provided with plug at position, snorkel, the right positions of the mounting rack are provided at the top right side position of the mounting rack
Place is provided with connection frame, and the bottom position of the connection frame is provided with fixing clamp.
Preferably, the pedestal includes optical fiber, fixing groove, frame, mounting hole and fiber coupler, the quadrangle of the frame
It is provided with mounting hole at position, fixing groove, the interposition of the fixing groove are provided at the bosom position of the frame
The place of setting is socketed with fiber coupler, and the inside of the fiber coupler is socketed with optical fiber.
Preferably, the optical fiber includes Active fiber, covering, detection fiber and sensitive film, the interior location of the covering
Place is socketed with Active fiber, is coated with sensitive film at the outer fix of the detection fiber.
Preferably, the material of the shell and pedestal is ABS plastic.
Preferably, there are two the venthole is arranged altogether, and the size of two ventholes is all the same.
Preferably, the material of the mounting rack, fixing clamp, connection frame and plug is ABS plastic.
Preferably, the frame size is long 80mm, wide 30mm.
Compared with prior art, the utility model provides a kind of fiber bragg grating temperature sensor, has following beneficial to effect
Fruit: the utility model has installed shell, venthole and pedestal additional based on the existing equipment, while the venthole on shell can be with
Allow the utility model to maintain the circulation of air in the process of work, allow detection fiber that can constantly carry out detection function, shell and
Pedestal effectively can play defencive function to fiber coupler during utility model works, effectively improve this reality
With novel service life, while when the utility model failure needs repairing and replaces, user can be by shell the bottom of from
It removes on seat, then removes fiber coupler from fixing groove, then repair replacement and pass through after the completion of maintenance replacement
Shell and pedestal are fixed together in plug insertion mounting hole, reduce the cost of more exchange device.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention, in the accompanying drawings:
Fig. 1 be the utility model proposes a kind of fiber bragg grating temperature sensor structural schematic diagram；
Fig. 2 be the utility model proposes shell mechanism schematic diagram；
Fig. 3 be the utility model proposes schematic diagram of base structure；
Fig. 4 be the utility model proposes optical fiber structure schematic diagram；
In figure: 1, shell；2, venthole；3, optic fibre hole；4, pedestal；11, mounting rack；12, snorkel；13, fixing clamp；
14, connection frame；15, plug；41, optical fiber；42, fixing groove；43, frame；44, mounting hole；45, fiber coupler；411, actively
Optical fiber；412, covering；413, detection fiber；414, sensitive film.
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.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of fiber bragg grating temperature sensor, including it is outer
Shell 1 and pedestal 4, the bottom position of shell 1 are socketed with pedestal 4, and the right side middle position of shell 1 is provided with optic fibre hole 3, outside
Venthole 2 is provided at the top position of shell 1.
Further, shell 1 includes mounting rack 11, snorkel 12, fixing clamp 13, connection frame 14 and plug 15, mounting rack 11
Lower position be provided with plug 15, snorkel 12, the right side of mounting rack 11 are provided at the top right side position of mounting rack 11
Connection frame 14 is provided at side position, the bottom position of connection frame 14 is provided with fixing clamp 13, and shell 1 is the utility model
Main structure device, mounting rack 11 are the devices that plug 15 is fixedly mounted, and the function of air circulation may be implemented in snorkel 12, Gu
Clamp 13 is the device that fiber coupler 45 is fixedly mounted, and connection frame 14 is the device that fixing clamp 13 is fixedly mounted, and plug 15 is
The device that shell 1 and pedestal 4 are connected and fixed.
Further, pedestal 4 includes optical fiber 41, fixing groove 42, frame 43, mounting hole 44 and fiber coupler 45, frame 43
Corner location at be provided with mounting hole 44, fixing groove 42 is provided at the bosom position of frame 43, fixing groove 42
Middle position is socketed with fiber coupler 45, and the inside of fiber coupler 45 is socketed with optical fiber 41, and pedestal 4 is that light is fixedly mounted
The device of fibre 41, optical fiber 41 are the devices of information transmission, and fixing groove 42 is the device that fiber coupler 45 is fixedly mounted, frame 43
It is the agent set of pedestal 4, mounting hole 44 is the device being fixed on pedestal 4 on shell 1, and fiber coupler 45 is by light
Fine 41 signals carry out branch combining.
Further, optical fiber 41 includes Active fiber 411, covering 412, detection fiber 413 and sensitive film 414, covering 412
It is socketed with Active fiber 411 at interior location, sensitive film 414, Active fiber are coated at the outer fix of detection fiber 413
411 can carry out the transmission of information, and covering 412 can play a protective role to Active fiber 411, and detection fiber 413 can pass
The information of defeated humidity, sensitive film 414 can detecte air humidity.
Further, the material of shell 1 and pedestal 4 is ABS plastic, and shell 1 and pedestal both can be improved using ABS plastic
4 erosion resistant performances, while can also be improved the service life of this shell 1 and pedestal 4.
Further, there are two venthole 2 is arranged altogether, and the size of two ventholes 2 is all the same, can effectively improve this
The detection efficiency of utility model.
Further, the material of mounting rack 11, fixing clamp 13, connection frame 14 and plug 15 is ABS plastic, is moulded using ABS
Material can effectively improve the service life of mounting rack 11, fixing clamp 13, connection frame 14 and plug 15.
Further, for frame 43 having a size of long 80mm, wide 30mm, above-mentioned size is arranged can be effectively by the utility model
Inner body is installed to frame 43.
The working principle and process for using of the utility model: after the utility model installs, user first checks this reality
Whether complete with novel external appearance, confirmation the utility model is in the state that can work normally, and then user incite somebody to action this
Optical fiber 41 is connected and fixed by the position that utility model uses needed for moving to, user with external fiber, then user
The pedestal 4 of the utility model is placed on downward at the region for needing to detect, it is main then during utility model works
Dynamic optical fiber 411 will do it normal information transmission work, venthole 2 can keep at any time the utility model inside and it is external into
Row air circulation, when air humidity generates variation, the sensitive film 414 in detection fiber 413 can be produced with the variation of humidity
Raw to change, then sensitive film 414 can have an impact the light wave transmissions of detection fiber 413, to realize detection fiber 413 to wet
The detection function of degree, shell 1 and pedestal 4 can effectively play fiber coupler 45 during utility model works
The service life of the utility model can be improved in defencive function, when the utility model failure needs repairing and replaces, uses
Person can remove shell 1 from pedestal 4, then remove fiber coupler 45 from fixing groove 42, then repair more
It changes, after the completion of maintenance replacement, is inserted into mounting hole 44 by plug 15 and is fixed together shell 1 and pedestal 4.
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 (8)
1. a kind of fiber bragg grating temperature sensor, including shell (1) and pedestal (4), it is characterised in that: the bottom of the shell (1)
It is socketed at portion position pedestal (4), the right side middle position of the shell (1) is provided with optic fibre hole (3), the shell (1)
Top position at be provided with venthole (2).
2. a kind of fiber bragg grating temperature sensor according to claim 1, it is characterised in that: the shell (1) includes peace
Shelve (11), snorkel (12), fixing clamp (13), connection frame (14) and plug (15), the lower position of the mounting rack (11)
Place is provided with plug (15), is provided with snorkel (12), the mounting rack at the top right side position of the mounting rack (11)
(11) it is provided at right positions connection frame (14), the bottom position of the connection frame (14) is provided with fixing clamp (13).
3. a kind of fiber bragg grating temperature sensor according to claim 1, it is characterised in that: the pedestal (4) includes light
Fine (41), fixing groove (42), frame (43), mounting hole (44) and fiber coupler (45), the corner location of the frame (43)
Place is provided with mounting hole (44), is provided with fixing groove (42), the fixing groove at the bosom position of the frame (43)
(42) middle position is socketed with fiber coupler (45), and the inside of the fiber coupler (45) is socketed with optical fiber (41).
4. a kind of fiber bragg grating temperature sensor according to claim 1, it is characterised in that: the optical fiber (41) includes master
Optical fiber (411), covering (412), detection fiber (413) and sensitive film (414) are moved, is covered at the interior location of the covering (412)
It is connected to Active fiber (411), is coated with sensitive film (414) at the outer fix of the detection fiber (413).
5. a kind of fiber bragg grating temperature sensor according to claim 1, it is characterised in that: the shell (1) and pedestal
(4) material is ABS plastic.
6. a kind of fiber bragg grating temperature sensor according to claim 1, it is characterised in that: the venthole (2) sets altogether
There are two setting, and the size of two ventholes (2) is all the same.
7. a kind of fiber bragg grating temperature sensor according to claim 2, it is characterised in that: the mounting rack (11) is consolidated
The material of clamp (13), connection frame (14) and plug (15) is ABS plastic.
8. a kind of fiber bragg grating temperature sensor according to claim 3, it is characterised in that: the frame (43) having a size of
Long 80mm, wide 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920341855.9U CN209673629U (en) | 2019-03-18 | 2019-03-18 | A kind of fiber bragg grating temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920341855.9U CN209673629U (en) | 2019-03-18 | 2019-03-18 | A kind of fiber bragg grating temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209673629U true CN209673629U (en) | 2019-11-22 |
Family
ID=68572028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920341855.9U Expired - Fee Related CN209673629U (en) | 2019-03-18 | 2019-03-18 | A kind of fiber bragg grating temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209673629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111221199A (en) * | 2020-03-09 | 2020-06-02 | 湖南城市学院 | Multiband rare earth doped optical fiber amplifier |
-
2019
- 2019-03-18 CN CN201920341855.9U patent/CN209673629U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111221199A (en) * | 2020-03-09 | 2020-06-02 | 湖南城市学院 | Multiband rare earth doped optical fiber amplifier |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |