CN110345975A - A kind of high-speed fiber Bragg grating (FBG) demodulator - Google Patents
A kind of high-speed fiber Bragg grating (FBG) demodulator Download PDFInfo
- Publication number
- CN110345975A CN110345975A CN201810285102.0A CN201810285102A CN110345975A CN 110345975 A CN110345975 A CN 110345975A CN 201810285102 A CN201810285102 A CN 201810285102A CN 110345975 A CN110345975 A CN 110345975A
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- arc panel
- sides
- fbg
- box body
- fixedly connected
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- 239000000835 fiber Substances 0.000 title claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 239000013307 optical fiber Substances 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001953 sensory effect 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
- G01D5/35312—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 Fabry Perot
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Optical Couplings Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses a kind of high-speed fiber Bragg grating (FBG) demodulators, including box body, circuit connecting plate is provided between the two sides of inboard wall of cartridge, optical path unit, wideband light source, adjustable F-P filter and optical fiber grating sensing module have been set gradually from left to right at the top of the circuit connecting plate, the optical path unit, wideband light source, adjustable F-P filter and optical fiber grating sensing module are fixedly connected to the first arc panel between the two sides of the inboard wall of cartridge bottom and the two sides of inner wall in being arranged in series.The present invention is opened using mini fan, cooling is blowed, wind is limited by the first arc panel, the second arc panel, third arc panel and partition after cooling, cool down by the first cooling block and the second cooling block, ensure that fiber Bragg grating (FBG) demodulator there can be a suitable operating temperature, enable fiber Bragg grating (FBG) demodulator high speed transmit, while using more convenient, reducing unnecessary loss.
Description
Technical field
The present invention relates to a kind of fiber Bragg grating (FBG) demodulator, specially a kind of high-speed fiber Bragg grating (FBG) demodulator.
Background technique
Fiber grating is a kind of refractive index generation axial cyclic modulation formation for making fiber core by certain method
Diffraction grating, be a kind of passive filtering device.Due to grating fibers have small in size, splice loss, splice attenuation is small, be compatible with optical fiber entirely,
The advantages that intellectual material can be embedded to, and its resonance wavelength is to the variation ratio of the external environments such as temperature, strain, refractive index, concentration
It is more sensitive, therefore be widely used in fiber optic communication and sensory field.
Fiber Bragg grating (FBG) demodulator is a more important high-precision instrument, but existing fiber Bragg grating (FBG) demodulator makes
With when do not have heat sinking function, lead to the phenomenon that often will appear Caton when in use, using being inconvenient, performance
It is poor.
Summary of the invention
The purpose of the present invention is to provide a kind of high-speed fiber Bragg grating (FBG) demodulators, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of high-speed fiber Bragg grating (FBG) demodulator, including box
Body is provided with circuit connecting plate between the two sides of inboard wall of cartridge, has been set gradually from left to right at the top of the circuit connecting plate
Optical path unit, wideband light source, adjustable F-P filter and optical fiber grating sensing module, the optical path unit, wideband light source, can
Mode F-P filter and optical fiber grating sensing module are fixedly connected with thermal insulation board at the top of the inboard wall of cartridge in being arranged in series,
The first arc panel is fixedly connected between the two sides of the inboard wall of cartridge bottom and the two sides of inner wall, before the inboard wall of cartridge
It is fixedly connected with the second arc panel between two sides afterwards, and the side of the second arc panel is fixedly connected with third arc panel, described
Two arc panels are fixedly connected with the side of third arc panel, the middle part of the inboard wall of cartridge bottom and be located at two third arc panels
Opposite side is fixedly connected with partition, and the partition raises upward setting in two sides arc, the two sides of the inboard wall of cartridge with
It is provided with the first cooling block between the opposite side of first arc panel, second arc panel and the opposite side of third arc panel
Between be provided with the second cooling block.
Preferably, the side of the third arc panel is fixedly connected with dry cotton.
Preferably, the bottom of the thermal insulation board is fixedly connected with mini fan, and there are three the quantity settings of mini fan.
Preferably, the two sides of the box body bottom are fixedly connected to pedestal, and there are four the quantity settings of pedestal.
Preferably, all sides of the box body are provided with interface.
Compared with prior art, the beneficial effects of the present invention are: present invention setting is being used by fiber Bragg grating (FBG) demodulator
When, when using becoming to transmit slower for a period of time, mini fan is opened, and cooling is blowed, wind passes through after cooling
First arc panel, the second arc panel, third arc panel and partition are limited, and are dropped by the first cooling block and the second cooling block
Temperature is dried by dry cotton, carries out circulating cooling, can guarantee the efficiency of fiber Bragg grating (FBG) demodulator transmission, it is ensured that optical fiber
Grating demodulation instrument can have a suitable operating temperature, enable fiber Bragg grating (FBG) demodulator high speed transmit, simultaneously
Using more convenient, reduce unnecessary loss.
Detailed description of the invention
Fig. 1 is the whole structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram inside the present invention.
In figure: 1, box body；2, circuit connecting plate；3, optical path unit；4, wideband light source；5, adjustable F-P filter；6, light
Fine grating sensing module；7, thermal insulation board；8, mini fan；9, the first arc panel；10, the second arc panel；11, third arc panel；
12, partition；13, the first cooling block；14, the second cooling block；15, dry cotton；16, pedestal.
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.
A kind of embodiment provided by the invention referring to FIG. 1-2:
A kind of high-speed fiber Bragg grating (FBG) demodulator, including box body 1 are provided with circuit connection between the two sides of 1 inner wall of box body
Plate 2, the top of the circuit connecting plate 2 have been set gradually from left to right optical path unit 3, wideband light source 4, adjustable F-P filtering
Device 5 and optical fiber grating sensing module 6, the optical path unit 3, wideband light source 4, adjustable F-P filter 5 and optical fiber grating sensing
Module 6 is fixedly connected with thermal insulation board 7, the two sides of the 1 inner wall bottom of box body in being arranged in series at the top of 1 inner wall of box body
It is fixedly connected to the first arc panel 9 between the two sides of inner wall, is fixedly connected between the front and rear sides of 1 inner wall of box body
Second arc panel 10, and the side of the second arc panel 10 is fixedly connected with third arc panel 11, second arc panel 10 and
The side of three arc panels 11 is fixedly connected, the middle part of the 1 inner wall bottom of box body and be located at two third arc panels 11 it is opposite
Side is fixedly connected with partition 12, and the partition 12 raises upward setting in two sides arc, the two sides of 1 inner wall of box body and the
The first cooling block 13 is provided between the opposite side of one arc panel 9, second arc panel 10 and third arc panel 11 are opposite
Side between be provided with the second cooling block 14.
In the present embodiment, the side of the third arc panel 11 is fixedly connected with dry cotton 15.
In the present embodiment, the bottom of the thermal insulation board 7 is fixedly connected with mini fan 8, and the quantity of mini fan 8 is set
There are three setting.
In the present embodiment, the two sides of 1 bottom of box body are fixedly connected to pedestal 16, and the quantity setting of pedestal 16
There are four.
In the present embodiment, all sides of the box body 1 are provided with interface.
Working principle: fiber Bragg grating (FBG) demodulator is when in use, micro- when using becoming to transmit slower for a period of time
Type blower 8 is opened, and is blowed cooling, it is cooling after wind by the first arc panel 9, the second arc panel 10, third arc panel 11 with
And partition 12 is limited, and is cooled down by the first cooling block 13 and the second cooling block 14, is dried, is carried out by dry cotton 15
Circulating cooling can guarantee the efficiency of fiber Bragg grating (FBG) demodulator transmission, it is ensured that fiber Bragg grating (FBG) demodulator can have one it is suitable
Operating temperature enables fiber Bragg grating (FBG) demodulator high speed transmit, while using more convenient, reducing unnecessary
Loss.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (5)
1. a kind of high-speed fiber Bragg grating (FBG) demodulator, including box body (1), it is characterised in that: set between the two sides of box body (1) inner wall
It is equipped with circuit connecting plate (2), has been set gradually from left to right optical path unit (3), broadband light at the top of the circuit connecting plate (2)
Source (4), adjustable F-P filter (5) and optical fiber grating sensing module (6), the optical path unit (3), wideband light source (4), can
Mode F-P filter (5) and optical fiber grating sensing module (6) are fixedly connected at the top of box body (1) inner wall in being arranged in series
Have thermal insulation board (7), is fixedly connected to the first arc panel between the two sides of box body (1) the inner wall bottom and the two sides of inner wall
(9), it is fixedly connected with the second arc panel (10) between the front and rear sides of box body (1) inner wall, and the second arc panel (10)
Side is fixedly connected with third arc panel (11), and the side of second arc panel (10) and third arc panel (11) is fixed to be connected
Connect, the middle part of box body (1) the inner wall bottom and be located at two opposite sides of third arc panel (11) be fixedly connected with partition
(12), the partition (12) raises upward setting, the two sides of box body (1) inner wall and the first arc panel (9) in two sides arc
Be provided between opposite side the first cooling block (13), second arc panel (10) and third arc panel (11) it is opposite one
The second cooling block (14) are provided between side.
2. a kind of high-speed fiber Bragg grating (FBG) demodulator according to claim 1, it is characterised in that: the third arc panel
(11) side is fixedly connected with dry cotton (15).
3. a kind of high-speed fiber Bragg grating (FBG) demodulator according to claim 1, it is characterised in that: the thermal insulation board (7)
Bottom is fixedly connected with mini fan (8), and there are three the quantity settings of mini fan (8).
4. a kind of high-speed fiber Bragg grating (FBG) demodulator according to claim 1, it is characterised in that: box body (1) bottom
Two sides be fixedly connected to pedestal (16), and pedestal (16) quantity setting there are four.
5. a kind of high-speed fiber Bragg grating (FBG) demodulator according to claim 1, it is characterised in that: the week of the box body (1)
Side is provided with interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810285102.0A CN110345975A (en) | 2018-04-02 | 2018-04-02 | A kind of high-speed fiber Bragg grating (FBG) demodulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810285102.0A CN110345975A (en) | 2018-04-02 | 2018-04-02 | A kind of high-speed fiber Bragg grating (FBG) demodulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110345975A true CN110345975A (en) | 2019-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810285102.0A Pending CN110345975A (en) | 2018-04-02 | 2018-04-02 | A kind of high-speed fiber Bragg grating (FBG) demodulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110345975A (en) |
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
- 2018-04-02 CN CN201810285102.0A patent/CN110345975A/en active Pending
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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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191018 |
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| WD01 | Invention patent application deemed withdrawn after publication |