CN110514321A - A kind of surface-adhered type fluorescence optical fiber temp probe - Google Patents
A kind of surface-adhered type fluorescence optical fiber temp probe Download PDFInfo
- Publication number
- CN110514321A CN110514321A CN201910907692.0A CN201910907692A CN110514321A CN 110514321 A CN110514321 A CN 110514321A CN 201910907692 A CN201910907692 A CN 201910907692A CN 110514321 A CN110514321 A CN 110514321A
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- optical fiber
- temp probe
- flat belt
- fluorescence
- fluorescent material
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 90
- 239000000523 sample Substances 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 50
- 230000005284 excitation Effects 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 abstract description 5
- 239000000919 ceramic Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000004043 responsiveness Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The present invention provides a kind of surface-adhered type fluorescence optical fiber temp probes, for measuring smooth or curved surface temperature in strong electromagnetic interference environment and vacuum chamber, including at least optical fiber (1), the fluorescent material (2) being connected with one end of optical fiber (1), the interface (3) being connected with the other end of optical fiber (1), some or all of optical fiber (1), fluorescent material (2) are coated in a Flat belt (4).More thin optic fibres are placed side by side in Flat belt by the present invention, reduce probe thickness, and flat probe is very easy to be mounted on smooth or curved metal, plastics and ceramic surface.Probe segment is high pressure resistant, anticorrosive, can work under strong electromagnetic and severe chemical environment, and the geometric dimension of used optic probe and fluorescent material is very small, corresponding thermal capacitance also very little, and measurement responsiveness is high, is conducive to miniaturization and integrated.The configuration of the present invention is simple, easy to use, measurement is accurate, has high commercial value.
Description
Technical field
The invention belongs to technical field of optical fiber sensing, are related to a kind of surface-adhered type fluorescence optical fiber temp probe.
Background technique
In existing technical field of optical fiber sensing, fluorescent optical fiber temperature sensor is done because of its essential safety, not by electromagnetism
Disturb, be high pressure resistant, erosion-resisting advantage, can work under strong electromagnetic and severe chemical environment, such as semiconductor, electric power,
The industries such as microwave energy, petroleum and medical treatment become the best means for accurately and reliably carrying out temperature measurement.
Under normal conditions, fluorescent optical fiber temperature sensor is become by a kind of optical fiber with temperature-sensitive fluorescent material probe and temperature
Device is sent to form.Optical fiber usually selects the multimode fibre being relatively large in diameter as optical element is passed, though advantageously reduce subsequent optical system
Complexity, but need to burrow in chamber walls, and configure specific vacuum optical fiber through device and could make in vacuum chamber
With, and radius bend is larger is unsuitable for narrow space.Existing point type fibre-optical probe be it is plug-type, be used to measured hole or hole
In or liquid in temperature, but to measurement the surface of solids, especially curved surface temperature be difficult to obtain accurate result.
And in currently available technology, there is no a kind of technical solutions that can be effectively solved above-mentioned technical problem, i.e., simultaneously
There is no a kind of surface-adhered type fluorescence optical fiber temp probe.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of spies of surface-adhered type fluorescence optical fiber temperature
Head includes at least one or more for measuring smooth or curved surface temperature in strong electromagnetic interference environment and vacuum chamber
Optical fiber, the one or more fluorescent materials being connected with one end of one or more optical fiber and one or more light
One or more interfaces that the fine other end is connected, wherein；
Some or all of one or more optical fiber, one or more described fluorescent materials are coated on a Flat belt
In.
It preferably, further include sleeve, described sleeve pipe is arranged between the Flat belt and the interface, in working condition
Under, the optical fiber stretches out the Flat belt, and the extension of the optical fiber is coated and be connected with the interface by described sleeve pipe
It connects.
It preferably, further include a protective case, the protection is set between the Flat belt and described sleeve pipe.
Preferably, at least one anti-dazzling screen is provided between the Flat belt and the fluorescent material.
Preferably, the Flat belt is provided with multiple bifurcateds close to one end of the fluorescent material, and each bifurcated at least wraps
A fluorescent material and an optical fiber are included, multiple bifurcateds are correspondingly provided with one or more interfaces.
Preferably, in the operating condition, the interface is at least connected with a host computer or transmitter.
Preferably, the Flat belt in upper and lower double-layer structure and is arranged to accommodate the structure of n-layer optical fiber, n >=1.
Preferably, the fluorescent material launches long wavelength's fluorescence related with temperature, institute after absorbing short wavelength excitation light
It states excitation light and arrives fluorescent material by fiber-optic illuminated, fluorescence is transferred to output interface by optical fiber.
The invention discloses a kind of surface-adhered type fluorescence optical fiber temp probe, can be used for measuring strong electromagnetic interference environment and
Smooth or curved surface temperature in vacuum chamber, principle are to be utilized twilight sunset service life of fluorescence to be only monotonically correlated with temperature,
The twilight sunset service life by detecting fluorescence can be obtained by the temperature of fluorescent material position, with existing various surgical grade stainless steels phase
Than more thin optic fibres are placed side by side in Flat belt by the present invention, reduce probe thickness, and flat probe is very easy to attachment
In smooth or curved metal, plastics and ceramic surface, it can directly pass through vaccum seal ring, not need specific vacuum optical fiber
Through device.Probe segment is all-optical system, not will receive the interference of external electromagnetic noise, high pressure resistant, anticorrosive, can be in forceful electric power
It works under magnetic disturbance and severe chemical environment.The geometric dimension of used optic probe and fluorescent material can be very small,
Corresponding thermal capacitance also very little, measurement responsiveness is high, is conducive to miniaturization and integrated.The configuration of the present invention is simple, easy to use, measurement
Accurately, there is high commercial value.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 shows specific embodiment according to the present invention, and a kind of surface-adhered type fluorescence optical fiber temp probe is bowed
Depending on structural schematic diagram；
Fig. 2 shows first embodiment according to the present invention, a kind of side view of surface-adhered type fluorescence optical fiber temp probe
Structural schematic diagram；
Fig. 3 shows second embodiment according to the present invention, a kind of vertical view of surface-adhered type fluorescence optical fiber temp probe
Structural schematic diagram；And
Fig. 4 shows third embodiment according to the present invention, a kind of structure of surface-adhered type fluorescence optical fiber temp probe
Explosive view.
Specific embodiment
In order to preferably technical solution of the present invention be made clearly to show, the present invention is made into one with reference to the accompanying drawing
Walk explanation.
Fig. 1 shows specific embodiment according to the present invention, and a kind of surface-adhered type fluorescence optical fiber temp probe is bowed
Depending on structural schematic diagram, Fig. 2 shows first embodiment according to the present invention, a kind of surface-adhered type fluorescence optical fiber temp probe
Side structure schematic view, it will be appreciated by those skilled in the art that the present invention will come in conjunction with Fig. 1 and Fig. 2 it is glimmering to the surface-adhered type
The structure of light various surgical grade stainless steels is respectively from overlooking and the angle of side view describes, and for convenience of describing, the present invention will combine Fig. 1
And Fig. 2 is jointly illustrated specific embodiments of the present invention, it will not be described here.
Specifically, the invention discloses a kind of surface-adhered type fluorescence optical fiber temp probes, for measuring strong electromagnetic
Smooth or curved surface temperature in environment and vacuum chamber, as shown in Figure 1 and Figure 2, include at least one or more optical fiber,
It is one or more fluorescent materials for being connected with one end of one or more optical fiber, another with one or more optical fiber
One or more interfaces that one end is connected, in the present invention, it is preferred to it is provided with the corresponding fluorescent material of a plurality of optical fiber, and
In other embodiments, it also can be set that an optical fiber corresponds to multiple fluorescent materials or a plurality of optical fiber corresponds to multiple phosphors
Material is correspondingly, opposite with one or more interfaces with one or more fluorescent materials that one or more optical fiber is connected
The connection answered.
In such embodiments, the surface-adhered type fluorescence optical fiber temp probe in the operating condition, incident excitation
Light will enter described fiber-optic illuminated on the fluorescent material from interface, and the fluorescent material is launched relevant to temperature glimmering
Light, and host computer or transmitter are transferred to by the optical fiber and the interface, complete fluorescence optical fiber temperature detection, the fluorescence
Material can launch long wavelength's fluorescence related with temperature after absorbing short wavelength excitation light, and the excitation light and fluorescence all pass through light
Fibre irradiates/is transferred to fluorescent material/output interface.I.e. in such embodiments, in the operating condition, the interface at least connects
A host computer or transmitter are connect, it will be appreciated by those skilled in the art that the interface is the connection of input stimulus light and output optical signal
Mouthful, one end connects optical fiber, and the other end connects host computer or transmitter, and the interface can be the optical fiber interfaces such as ST, SMA, FC.
Further, some or all of one or more optical fiber, one or more described fluorescent materials are wrapped by
In a Flat belt, in such embodiments, the portion of a kind of optical fiber and the fluorescent material is shown in the present invention
The technical solution point being coated in a Flat belt, and in other examples, can also by one or more optical fiber,
The whole of one or more fluorescent materials is coated in a Flat belt.
Further, the Flat belt is to protect and fix fluorescent material and optical fiber, material selected by the Flat belt
Material is flexible insulation resistant material, it is preferable that is polyimides (PI) adhesive tape.Specifically, described flat from structure
Band is in upper and lower double-layer structure and is arranged to accommodate the structure of n-layer optical fiber, n >=1, and in the present invention, the Flat belt
It is made of upper layer and lower layer, centre clamping fluorescent material and optical fiber, the Flat belt thickness in monolayer < 0.1mm, it is therefore preferable to
0.05mm, further, upper layer and lower layer Flat belt can be all superimposed by one or more layers adhesive tape and be constituted, and be preferably carried out at one
In example, the Flat belt can be used as vacuum perforation band, directly by the sealing ring of vacuum chamber, at this time the thickness of the Flat belt <
0.2mm, other flat tape thickness for not passing through sealing ring then can be thicker, flat under radiation environment such as plasma etching environment
Flat rubber belting should be thickened suitably.The Flat belt be flexible flat banded structure, be easy to be fitted in smooth or curved metal, plastics and
Ceramic surface.
Further, the optical fiber is as passing optical element, exposes to fluorescent material from interface transmission excitation light, and by fluorescence
The fluorescence of material transmitting is transferred to interface, and the optical fiber is the optical fiber of more minor diameters and is emitted in Flat belt, one end and
Fluorescent material connection, the other end are connected with interface.Every thin optic fibre diameter is 0.065~0.125mm, quantity be 1-10 root not
Deng, the optional quartz of material, sapphire, plastics.
Further, the surface-adhered type fluorescence optical fiber temp probe further includes sleeve, and described sleeve pipe is arranged in institute
It states between Flat belt and the interface, in the operating condition, the optical fiber stretches out the Flat belt, the extension of the optical fiber
It is coated and be connected with the interface by described sleeve pipe, it will be appreciated by those skilled in the art that outside the optical fiber optionally
Sleeve is set, and it can be plastic tube, metal tube that described sleeve pipe, which is that the pipe of optical fiber is protected outside vacuum chamber,.
Further, the surface-adhered type fluorescence optical fiber temp probe further includes a protective case, the protective case setting
Between the Flat belt and described sleeve pipe, optionally there are a protective case, the protective case between the Flat belt and casing
Play a part of to enhance and protect Flat belt and cannula connection, it is therefore preferable to a stress release sheath.
Fig. 3 shows second embodiment according to the present invention, a kind of vertical view of surface-adhered type fluorescence optical fiber temp probe
Structural schematic diagram, as a kind of preferred embodiment of the invention, Fig. 3 discloses a kind of forked structure of band, can be soft
Property be fitted in 3 different locations to and meanwhile measure their temperature, and in other examples, the Flat belt front end is divided
It pitches quantity and sheath and interface quantity includes but is not limited to three, it will not be described here.
Further, the Flat belt is provided with multiple bifurcateds close to one end of the fluorescent material, and each bifurcated is at least
Including a fluorescent material and an optical fiber, multiple bifurcateds are correspondingly provided with one or more interfaces, described flat
Band is divided into trident in thermometric end, there is one group of fluorescent material and optical fiber in the Flat belt of each bifurcated, and every group of optical fiber is connected to pair
The quantity of the sheath and interface answered, sheath and interface can be one, i.e. multiple groups optical fiber both passes through same sheath, is connected to more than one
On the optical fiber interface of road.
Fig. 4 shows third embodiment according to the present invention, a kind of structure of surface-adhered type fluorescence optical fiber temp probe
Explosive view.
It will be appreciated by those skilled in the art that being provided at least one shading between the Flat belt and the fluorescent material
Piece, specifically, the one end for the optical fiber that You Duogen thin optic fibre forms side by side and fluorescent material are in contact, and are placed on Flat belt, such as
Shown in Fig. 4, optionally there is an anti-dazzling screen on fluorescent material, for preventing exterior light excitation fluorescent material or entering optical fiber
Interfere temperature measurement signal.
Further, the anti-dazzling screen can be silicon wafer, potsherd, sheet metal, black glass piece, black thin film or adhesive tape.
The fluorescent material can also be embedded in anti-dazzling screen, and in other examples, it is clamped up and down by two panels anti-dazzling screen, it is upper flat
Band is attached on anti-dazzling screen and optical fiber, adhered to one another with lower Flat belt, fixed and protect fluorescent material therein, anti-dazzling screen and
Optical fiber, wherein the thickness of upper Flat belt and lower Flat belt can be different, such as can be set on one side more what is corroded
Thickness, this does not affect technical solution of the present invention, and it will not be described here.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (8)
1. a kind of surface-adhered type fluorescence optical fiber temp probe, for measure it is smooth in strong electromagnetic interference environment and vacuum chamber or
The temperature of curved surface, which is characterized in that include at least one or more optical fiber (1), with one or more optical fiber (1)
One or more fluorescent materials (2) that one end is connected, one to be connected with the other end of one or more optical fiber (1)
Or multiple interfaces (3), wherein；
It is flat that some or all of one or more optical fiber (1), one or more fluorescent materials (2) are coated on one
In band (4).
2. fluorescence optical fiber temp probe according to claim 1, which is characterized in that further include sleeve (5), described sleeve pipe
(5) it is arranged between the Flat belt (4) and the interface (3), in the operating condition, the optical fiber (1) is stretched out described flat
Band (4), the extension of the optical fiber (1) are coated and be connected with the interface (3) by described sleeve pipes (5).
3. fluorescence optical fiber temp probe according to claim 2, which is characterized in that further include a protective case (6), the guarantor
Sheath (6) is arranged between the Flat belt (4) and described sleeve pipe (5).
4. fluorescence optical fiber temp probe according to claim 1, which is characterized in that the Flat belt (4) with it is described glimmering
At least one anti-dazzling screen (7) is provided between luminescent material (2).
5. fluorescence optical fiber temp probe according to claim 1, which is characterized in that the Flat belt (4) is close to described glimmering
One end of luminescent material (2) is provided with multiple bifurcateds, and each bifurcated includes at least a fluorescent material (2) and an optical fiber (1),
Multiple bifurcateds are correspondingly provided with one or more interfaces (3).
6. fluorescence optical fiber temp probe according to claim 1, which is characterized in that in the operating condition, the interface (3)
It is at least connected with a host computer or transmitter.
7. fluorescence optical fiber temp probe according to claim 1, which is characterized in that the Flat belt (4) is in upper layer and lower layer
Structure simultaneously is arranged to accommodate the structure of n-layer optical fiber, n >=1.
8. fluorescence optical fiber temp probe according to claim 1, which is characterized in that the fluorescent material (2) absorbs shortwave
Launch long wavelength's fluorescence related with temperature after long excitation light, the excitation light is irradiated to fluorescent material by optical fiber (1)
(2), fluorescence is transferred to output interface by optical fiber (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910907692.0A CN110514321A (en) | 2019-09-24 | 2019-09-24 | A kind of surface-adhered type fluorescence optical fiber temp probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910907692.0A CN110514321A (en) | 2019-09-24 | 2019-09-24 | A kind of surface-adhered type fluorescence optical fiber temp probe |
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| Publication Number | Publication Date |
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| CN110514321A true CN110514321A (en) | 2019-11-29 |
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| CN201910907692.0A Pending CN110514321A (en) | 2019-09-24 | 2019-09-24 | A kind of surface-adhered type fluorescence optical fiber temp probe |
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