CN110057465A - Optical module and photoelectricity demodulation module for fluorescence optical fiber temperature control system - Google Patents
Optical module and photoelectricity demodulation module for fluorescence optical fiber temperature control system Download PDFInfo
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- CN110057465A CN110057465A CN201910098744.4A CN201910098744A CN110057465A CN 110057465 A CN110057465 A CN 110057465A CN 201910098744 A CN201910098744 A CN 201910098744A CN 110057465 A CN110057465 A CN 110057465A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 78
- 230000005622 photoelectricity Effects 0.000 title claims abstract description 51
- 239000013307 optical fiber Substances 0.000 title claims abstract description 42
- 239000000835 fiber Substances 0.000 claims abstract description 8
- 239000002390 adhesive tape Substances 0.000 claims description 12
- 239000004809 Teflon Substances 0.000 claims description 8
- 229920006362 Teflon® Polymers 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- 239000004945 silicone rubber Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 239000012535 impurity Substances 0.000 abstract description 10
- 238000009529 body temperature measurement Methods 0.000 abstract description 3
- 230000005284 excitation Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
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- 239000000843 powder Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000003712 anti-aging effect Effects 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 150000002910 rare earth metals Chemical class 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000001795 light effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- -1 steam Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
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- 238000007906 compression Methods 0.000 description 1
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Classifications
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- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4251—Sealed packages
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention provides a kind of optical module for fluorescence optical fiber temperature control system and photoelectricity demodulation modules, solve the problem of existing photoelectricity demodulation module easily into impurity and then influence fluorescence fiber temperature measurement efficiency and precision.Wherein optical module includes mounting base and the light emitting diode being located in mounting base, lens, fibre-optical splice, the first filter plate, the second filter plate；The front surface of mounting base is provided with three layers of step through-hole for running through rear surface, respectively the diameter successively first through hole of reduction, the second through-hole and third through-hole；One end of fibre-optical splice is mounted in first through hole, and one end of lens is mounted in the second through-hole, and light emitting diode is mounted in third through-hole；Mounting base upper surface, which is provided with, runs through lower surface, and the first strip-shaped hole, the second strip-shaped hole, fourth hole being connected；First filter plate is mounted in the first strip-shaped hole, and the second filter plate is mounted in the second strip-shaped hole；Fourth hole is for installing PD；Second filter plate is between the first filter plate and PD.
Description
Technical field
The invention belongs to fluorescence optical fiber temperature control fields, and in particular to a kind of optical module for fluorescence optical fiber temperature control system
And photoelectricity demodulation module.
Background technique
Currently, fluorescence optical fiber temperature control system is by temperature demodulation instrument, through device and contains the temperature probe of rare-earth phosphor
Optical fiber composition, through device plays connection function, and for half in the temperature demodulation instrument shell, another half-connection optical fiber is glimmering without rare earth
One end of stimulative substance.Optical fiber both ends one end connects temperature demodulation instrument, and the other end containing temperature probe is placed in measured point.Temperature solution
The excitation light source in instrument is adjusted to transmit the fluorescent powder in excitation probe by optical fiber, fluorescent powder can emit different at different temperatures
Optical signal returns to (FBG) demodulator, is then that electric signal exports specific temperature by the optical signal demodulation of transmitting in temperature demodulation instrument
Value completes thermometric step.
Core devices of the photoelectricity demodulation module as temperature demodulation instrument, using extremely important and universal.However, fluorescence light
The installation environment of fine temperature control system is generally more severe, and in existing photoelectricity demodulation module, optical module and circuit board only use 3
A screw connection, there are gaps between optical module and circuit board, enter the impurity such as steam, dust in gap, impurity
Long-time accumulation can hinder internal optic path；In addition, the sealing effect of the optical device mounting hole on existing optical module
Fruit is poor, and especially under the higher environment of temperature, the optical device exposure installed inside optical module in air, can not only make
The impurity such as steam dust enter inside optical module, and the long-time accumulation of impurity can hinder internal optic path；And meeting
So that external light source is entered inside modules, influences the optic path of inside modules normal work, lead to the unstable of optical signalling, from
And easily occur deviation when being demodulated into electrical signal, influence the reliability and stability of temperature control system work.
Summary of the invention
In order to solve existing photoelectricity demodulation module easily into impurity, accumulation hinders inside modules optic path to impurity for a long time,
Make optical signal can not normal transmission cause electric signal not demodulate normally, and then influence asking for fluorescence fiber temperature measurement efficiency and precision
Topic.The present invention provides a kind of optical module for fluorescence optical fiber temperature control system and photoelectricity demodulation modules.
To achieve the above object, present invention provide the technical scheme that
A kind of optical module for fluorescence optical fiber temperature control system, is characterized in that including mounting base and setting
Light emitting diode, lens, fibre-optical splice, the first filter plate, the second filter plate in mounting base；The front surface of the mounting base
Three layers of step through-hole for running through rear surface are provided with, respectively successively the first through hole of reduction, the second through-hole and third are logical for diameter
Hole, first through hole are equipped with screw thread；One end of the fibre-optical splice is mounted in first through hole, and one end of the lens is mounted on
In second through-hole, the light emitting diode is mounted in third through-hole；The upper surface of the mounting base, which is provided with, runs through lower surface
The first strip-shaped hole, the second strip-shaped hole, fourth hole；First strip-shaped hole is connected with third through-hole, and the first strip-shaped hole
Center line and the angle of third through-hole axis be 30~60 degree, first filter plate is mounted in the first strip-shaped hole, is used for
Light beam of the fluorescent light beam that the outgoing beam and mirror based fiber optica connector for transmiting light emitting diode receive after lens converge；
Second strip-shaped hole is connected to third through-hole, and second filter plate is mounted in the second strip-shaped hole, for transmiting through first
The light beam of filter plate reflection；The fourth hole is connected to the second strip-shaped hole, for installing PD；Second filter plate is located at the
Between one filter plate and PD.
Further, mounting base is cuboid mounting base, and material is aluminium alloy.
Further, in order to easy to process, the mounting base is additionally provided with processing hole, and the processing hole is for penetrating through installation
The side of seat, fourth hole, the second strip-shaped hole, third through-hole.
Further, the center line of first strip-shaped hole and the angle of third through-hole axis are 45 degree, the second strip-shaped hole
Center line it is parallel with the axis of third through-hole, fourth hole and the second strip-shaped hole are tangent.
Further, the circular arc portion diameter of first strip-shaped hole is greater than the spacing of two straight flanges.
Further, further include the Compliant pressure set being arranged in first through hole, one end of fibre-optical splice and lens it is another
One end is arranged in the hole of Compliant pressure set.
Meanwhile the present invention provides a kind of photoelectricity demodulation modules for fluorescence optical fiber temperature control system, it is characterised in that: packet
It includes photoelectricity demodulation circuit board, PD and is disposed side by side on multiple above-mentioned for fluorescence optical fiber temperature control on photoelectricity demodulation circuit board
The optical module of system；The quantity of the PD is adapted with the quantity of optical module, and one end and the photoelectricity of PD demodulates circuit board phase
Even, the other end is arranged in fourth hole；The upper surface of each optical module and side wind one layer of Teflon adhesive tape；
The light emitting diode of each optical module demodulates circuit board with photoelectricity by pin and is connected；The optical module and photoelectrolysis
It adjusts and is equipped with silicone rubber pad between circuit board.
Further, the upper surface of the mounting base is provided at least three threaded mounting holes for running through lower surface, passes through
Screw passes through threaded mounting hole and optical module is fixed on photoelectricity demodulation circuit board.
Further, the threaded mounting hole is four, and is located on four angles of mounting base, so that the following table of mounting base
Face and photoelectricity demodulate circuit board flat contact, reduce and install gap between gap optical module and circuit board.
Further, the quantity of optical module is 3.
Further, the back side of the photoelectricity demodulation circuit board is provided with shielding case.
Compared with prior art, it is the advantages of optical module of the present invention:
1, optical module of the present invention is applicable to the optical fiber of various core diameters, influences without being bound by the thickness of optical fiber, mounting base
Using aluminium alloy cuboid, internal mounting groove can be milled out directly to be added without machine, and low in cost, structure is simple；Only need two filtering
Piece, a light emitting diode, a lens, a fibre-optical splice are mounted in mounting base, that is, entire optical module can be assembled, peace
Dress is simple.
2, the first strip-shaped hole of optical module of the present invention and third through-hole are in 45 degree of angles, so that mounting base is easy to process.
3, the circular arc portion diameter of the first strip-shaped hole of mounting base of the present invention is greater than the spacing of two straight flanges, facilitates filter plate
Unloading is installed.
4, the Compliant pressure set that optical module of the present invention is arranged in first through hole hole, avoids plastic lens and metal light
Fine connector, which directly contacts, damages lens bring.
Compared with prior art, the advantages of photoelectricity demodulation module of the present invention, is:
1, silicone rubber pad is provided between optical module and photoelectricity demodulation circuit board in photoelectricity demodulation module of the invention
Piece and optical module itself is sealed using Teflon adhesive tape, improves the leakproofness of entire photoelectricity demodulation module, every
The impurity such as steam, dust absolutely enter optical module internal influence optic path, so that temperature measuring efficiency and temperature measurement accuracy are improved,
And then improve the reliability and stability of fluorescence optical fiber temperature control system work；Two sides of optical module and upper surface winding one
Layer Teflon adhesive tape, fluorine dragon adhesive tape have the characteristics that high temperature resistant, anti-aging, and sealing effect is good.
2, threaded mounting hole is arranged in four angles of present invention installation seating face, so that mounting base and photoelectricity demodulation circuit board peace
The good airproof performance of dress.
3, shielding case is arranged at the back side of photoelectricity demodulation circuit board in the present invention, can shield outer signal, improve measurement essence
Degree.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the present invention for mounting base in the optical module of fluorescence optical fiber temperature control system；
Fig. 2 is structural representation of the present invention for one direction of mounting base in the optical module of fluorescence optical fiber temperature control system
Figure；
Fig. 3 is cross-sectional view of the present invention for mounting base in the optical module of fluorescence optical fiber temperature control system；
Fig. 4 is structural schematic diagram of the present invention for the optical module of fluorescence optical fiber temperature control system；
Fig. 5 is cross-sectional view of the present invention for the optical module of fluorescence optical fiber temperature control system；
Fig. 6 is structural schematic diagram of the present invention for the photoelectricity demodulation module of fluorescence optical fiber temperature control system；
Fig. 7 is cross-sectional view of the present invention for the photoelectricity demodulation module of fluorescence optical fiber temperature control system；
Fig. 8 is structural schematic diagram of the present invention for one direction of photoelectricity demodulation module of fluorescence optical fiber temperature control system；
Fig. 9 is enlarged drawing at the I of Fig. 8；
Wherein, appended drawing reference is as follows:
1- mounting base, tri- layers of step through-hole of 2-, 21- first through hole, the second through-hole of 22-, 23- third through-hole, 3- first
Shape hole, the second strip-shaped hole of 4-, 5- fourth hole, 6- threaded mounting hole, 7- process hole；
8- optical module, 81- light emitting diode, 82- lens, 83- fibre-optical splice, the first filter plate of 84-, 85- second are filtered
Wave plate, 86-PD, 87- Compliant pressure set；
9- photoelectricity demodulates circuit board, 91- pin, 10- silicone rubber pad, 11- Teflon adhesive tape.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in Fig. 1 to 5, a kind of optical module for fluorescence optical fiber temperature control system, including mounting base 1 and setting exist
Light emitting diode 81, lens 82, fibre-optical splice 83, the first filter plate 84, the second filter plate 85 in mounting base, the material of mounting base
Matter is aluminium alloy；The front surface of mounting base is provided with three layers of step through-hole 2 for running through rear surface, and respectively diameter is successively reduced
First through hole 21, the second through-hole 22 and third through-hole 23, first through hole 21 are equipped with screw thread；One end of fibre-optical splice 83 is mounted on
In first through hole 21, one end of lens 82 is mounted in the second through-hole 22, and light emitting diode 81 is mounted in third through-hole 23；The
Compliant pressure set 87 is additionally provided in one stepped hole, one end of fibre-optical splice and the other end setting of lens 82 cover 87 in Compliant pressure
Hole in, avoid plastic lens and metal optical fiber connector and directly contact and lens bring is damaged.It opens the upper surface of mounting base
There are the first strip-shaped hole 3 for running through lower surface, the second strip-shaped hole 4, fourth hole 5；First strip-shaped hole 3 is connected with third through-hole 23
Logical, and the angle of the center line of the first strip-shaped hole 3 and 23 axis of third through-hole is 30~60 degree, the first filter plate 84 is mounted on the
In one strip-shaped hole 3, fluorescent light beam that outgoing beam and mirror based fiber optica connector 83 for transmiting light emitting diode 81 receive
Light beam after lens converge；Second strip-shaped hole 4 is connected to third through-hole 23, and the second filter plate 85 is mounted on the second strip-shaped hole 4
It is interior, for transmiting the light beam reflected through the first filter plate 84；Fourth hole 5 is connected to the second strip-shaped hole 4, for installing PD86；
Second filter plate 85 is between the first filter plate 84 and PD86.
In order to easy to process, processing hole 7 is set in mounting base side, processing hole 7 is used to penetrate through the side of mounting base, the 4th
Through-hole 5, the second strip-shaped hole 4, third through-hole 23.
The center line of first strip-shaped hole 3 and the angle of 23 axis of third through-hole are 45 degree, the center line of the second strip-shaped hole 4 with
The axis of third through-hole is parallel, and fourth hole 5 and the second strip-shaped hole 4 are tangent.First strip-shaped hole 3, the second strip-shaped hole 4 are that one adds
Work makes manufacturing procedure more thrifty in this way, and cost is lower.
In order to facilitate the installation unloading of filter plate, the circular arc portion diameter of the first strip-shaped hole 3 is greater than the spacing of two straight flanges.
All parts in optical module:
1) mounting base: aluminium alloy cuboid is used, internal mounting groove can be milled out directly to be added without machine, low in cost, structure
Simply；
2) light emitting diode: the light beam for launching fixed wave length is used as excitation light source, and head is embedded in the tail of optical module
Portion, the other end weld on circuit boards；
3) lens: being installed on one end that fibre-optical splice is located inside modules, between the first filter plate and fibre-optical splice,
For focusing light effect, big beam optical signal is focused and is reduced, improves optic path efficiency；
4) the first filter plate: the light source for the fixed wave length that tail portion light emitting diode is launched is filtered, and is corresponding wave
Long light source passes through, and the light source of other wavelength is stopped to transmit；And the light source for another wavelength for being transmitted back to external fiber is anti-
It is incident upon the second filter plate；
5) the second filter plate: the light beam for being transmitted back to another wavelength come from external fiber is filtered, is corresponding wavelength
Light source pass through, stop the light source of other wavelength to transmit；
6) fibre-optical splice: embedded in (being equipped with inside optical module by being threadedly engaged), the other end connects external fiber for one end,
Link block is inside and outside to form optic path channel；
7) Compliant pressure set: material is rubber, for the fibre-optical splice and lens of optical module to be fixedly mounted.
Based on the above-mentioned optical module for fluorescence optical fiber temperature control system, as shown in Fig. 6 to 9, the present embodiment mentions simultaneously
A kind of photoelectricity demodulation module for fluorescence optical fiber temperature control system, including photoelectricity has been supplied to demodulate circuit board 9, PD86 (photodetection
Device, for by optical signal demodulation be electric signal) and be disposed side by side on photoelectricity demodulate circuit board 9 on three above-mentioned optical modes
Block；The quantity of PD86 is adapted with the quantity of optical module 8, and one end of PD86 is connected with photoelectricity demodulation circuit board 9, the other end
It is arranged in fourth hole 5, optical signal demodulation is telecommunications for receiving the light beam after the second filter plate is filtered by PD86
Number output give photoelectricity demodulate circuit board 9；The upper surface of each optical module 8 and side wind one layer of Teflon adhesive tape 11；Each
The light emitting diode 81 of optical module 8 demodulates circuit board 9 with photoelectricity by pin 91 and is connected；Optical module 8 and photoelectricity demodulation electricity
Silicone rubber pad 10 is equipped between road plate 9.
The upper surface of mounting base, which is provided with, runs through at least three threaded mounting hole 6 of lower surface, preferably four, is located at installation
On four angles of seat, threaded mounting hole 6 is passed through by screw, optical module 8 is fixed on photoelectricity demodulation circuit board 9.
The back side of photoelectricity demodulation circuit board 9 is provided with shielding case, can shield outer signal, improve measurement accuracy.
All parts in photoelectricity demodulation module:
1) silicone rubber pad, for device between optical module and photoelectricity demodulation circuit board 9, screw connects circuit board and optics
The impurity such as gasket forced compression isolation steam, dust when module；
2) Teflon adhesive tape has than general adhesive tape high temperature resistant, anti-aging characteristic, is wound optical module lower half
One week (position equipped with optical device), seal the optical device mounting hole on optical module, isolation steam dust etc. impurity and
External light source, which enters module, influences internal optic path.
Two sides of optical module and upper surface wind one layer of Teflon adhesive tape, and fluorine dragon adhesive tape has high temperature resistant, anti-aging
The characteristics of, sealing effect is good, and optical module lower surface can not due to that need to connect with photoelectricity demodulation circuit board containing electronic component
Realize adhesive tape winding；One layer tape seals enough, will increase thickness if using multi-lay winding, for module and subsequent conditioning circuit plate
Installation can have a certain impact.
The course of work of electric demodulation module:
Photoelectricity demodulates circuit board and excites light emitting diode by pin, and light emitting diode launches the light beam of fixed wave length
As excitation light source, light light beam is filtered by the first filter plate, passes through the light beam of corresponding wavelength, stops other wavelength
Beam Propagation after, by lens on light Shu Jinhang focusing light effect, big beam optical signal is focused and is reduced, improve optic path effect
Rate, then light beam is transmitted to the fluorescent powder of temperature probe by optical fiber, which is rare earth fluorescent powder material, by light stimulus
Afterwards, fluorescence is issued, the lasting fluorescent emission after excitation light is eliminated depends on fluorescence lifetime, and the length of fluorescence lifetime is solely dependent upon
The height of temperature.Fluorescence lifetime under different temperatures is different, and fluorescent material launches light beam longer than excitation wavelength, from outer
Portion's optical fiber, which is transmitted back to, to be come successively after fibre-optical splice, lens, is reflected by the first filter plate, is then carried out by the second filter plate
Filtering, passes through the light beam of corresponding wavelength, and is received by PD (photodetector), is then electric signal transmission by optical signal demodulation
Circuit board is demodulated to photoelectricity, exports corresponding temperature value.
The above is only the preferred embodiment of the present invention is described, technical solution of the present invention is not limited to
This, those skilled in the art's made any known deformation on the basis of major technique of the present invention is conceived belongs to institute of the present invention
Technology scope to be protected.
Claims (10)
1. a kind of optical module for fluorescence optical fiber temperature control system, it is characterised in that: pacifying including mounting base (1) and setting
Fill light emitting diode (81), the lens (82), fibre-optical splice (83), the first filter plate (84), the second filter plate in seat (1)
(85)；
The front surface of the mounting base (1) is provided with three layers of step through-hole (2) for running through rear surface, and respectively diameter is successively reduced
First through hole (21), the second through-hole (22) and third through-hole (23), first through hole (21) be equipped with screw thread；
One end of the fibre-optical splice (83) is mounted in first through hole (21), and it is logical that one end of the lens (82) is mounted on second
In hole (22), the light emitting diode (81) is mounted in third through-hole (23)；
The upper surface of the mounting base (1) is provided with the first strip-shaped hole (3) for running through lower surface, the second strip-shaped hole (4), four-way
Hole (5)；
First strip-shaped hole (3) is connected with third through-hole (23), and the center line and third through-hole of the first strip-shaped hole (3)
(23) angle of axis is 30~60 degree, and first filter plate (84) is mounted in the first strip-shaped hole (3), luminous for transmiting
Light of the fluorescent light beam that the outgoing beam and mirror based fiber optica connector (83) of diode (81) receive after lens (82) are converged
Beam；
Second strip-shaped hole (4) is connected to third through-hole (23), and second filter plate (85) is mounted on the second strip-shaped hole (4)
It is interior, for transmiting the light beam reflected through the first filter plate (84)；
The fourth hole (5) is connected to the second strip-shaped hole (4), for installing PD (86)；
Second filter plate (85) is between the first filter plate (84) and PD (86).
2. the optical module according to claim 1 for fluorescence optical fiber temperature control system, it is characterised in that: the mounting base
It (1) is cuboid mounting base, material is aluminium alloy.
3. the optical module according to claim 1 for fluorescence optical fiber temperature control system, it is characterised in that: the mounting base
(1) it is additionally provided with processing hole (7), processing hole (7) is used to penetrate through side, the fourth hole (5), Article 2 of mounting base (1)
Shape hole (4), third through-hole (23).
4. the optical module according to claim 1 or 2 or 3 for fluorescence optical fiber temperature control system, it is characterised in that: described
The center line of first strip-shaped hole (3) and the angle of third through-hole (23) axis are 45 degree, the center line of the second strip-shaped hole (4) and the
The axis of three through-holes (23) is parallel, and fourth hole (5) and the second strip-shaped hole (4) are tangent.
5. the optical module according to claim 4 for fluorescence optical fiber temperature control system, it is characterised in that: described first
The circular arc portion diameter in shape hole (3) is greater than the spacing of two straight flanges.
6. the optical module according to claim 5 for fluorescence optical fiber temperature control system, it is characterised in that: further include setting
Compliant pressure set (87) in first through hole (21), one end of fibre-optical splice (83) and the other end of lens (82) are arranged soft
In the hole of property clamping sleeve (87).
7. a kind of photoelectricity demodulation module for fluorescence optical fiber temperature control system, it is characterised in that: demodulate circuit board including photoelectricity
(9), PD (86) and being disposed side by side in photoelectricity demodulation circuit board (9) multiple is used for as described in claim 1 to 6 is any
The optical module (8) of fluorescence optical fiber temperature control system；
The quantity of the PD (86) is adapted with the quantity of optical module (8), one end of PD (86) and photoelectricity demodulation circuit board (9)
It is connected, other end setting is in fourth hole (5)；
The upper surface of each optical module (8) and side wind one layer of Teflon adhesive tape (11)；
The light emitting diode (81) of each optical module (8) is connected by pin (91) with photoelectricity demodulation circuit board (9)；
Silicone rubber pad (10) are equipped between the optical module (8) and photoelectricity demodulation circuit board (9).
8. the photoelectricity demodulation module according to claim 7 for fluorescence optical fiber temperature control system, it is characterised in that: the peace
The upper surface of dress seat (1) is provided at least three threaded mounting holes (6) for running through lower surface, passes through threaded mounting hole by screw
(6) optical module (8) is fixed in photoelectricity demodulation circuit board (9).
9. the photoelectricity demodulation module according to claim 8 for fluorescence optical fiber temperature control system, it is characterised in that: the spiral shell
Line mounting hole (6) is four, and is located on four angles of mounting base (1).
10. the photoelectricity demodulation module according to claim 7 for fluorescence optical fiber temperature control system, it is characterised in that: described
The quantity of optical module (8) is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910098744.4A CN110057465A (en) | 2019-01-31 | 2019-01-31 | Optical module and photoelectricity demodulation module for fluorescence optical fiber temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910098744.4A CN110057465A (en) | 2019-01-31 | 2019-01-31 | Optical module and photoelectricity demodulation module for fluorescence optical fiber temperature control system |
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| Publication Number | Publication Date |
|---|---|
| CN110057465A true CN110057465A (en) | 2019-07-26 |
Family
ID=67316433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910098744.4A Pending CN110057465A (en) | 2019-01-31 | 2019-01-31 | Optical module and photoelectricity demodulation module for fluorescence optical fiber temperature control system |
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| CN (1) | CN110057465A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337158A (en) * | 2020-03-31 | 2020-06-26 | 西安和其光电科技股份有限公司 | Miniaturized fluorescence optic fibre temperature measurement system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102223174A (en) * | 2011-05-25 | 2011-10-19 | 青岛海信宽带多媒体技术有限公司 | Optical module integrated with function of optical time domain reflectometer |
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