CN106404218B - A kind of protective cover for fluorescent optical fiber temperature sensor - Google Patents
A kind of protective cover for fluorescent optical fiber temperature sensor Download PDFInfo
- Publication number
- CN106404218B CN106404218B CN201611210180.1A CN201611210180A CN106404218B CN 106404218 B CN106404218 B CN 106404218B CN 201611210180 A CN201611210180 A CN 201611210180A CN 106404218 B CN106404218 B CN 106404218B
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- China
- Prior art keywords
- optical fiber
- steel pipe
- magnet steel
- shell
- protective cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 37
- 239000013307 optical fiber Substances 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000005622 photoelectricity Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000011540 sensing material 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
- G01K11/3206—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 at discrete locations in the fibre, e.g. using Bragg scattering
- G01K11/3213—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 at discrete locations in the fibre, e.g. using Bragg scattering using changes in luminescence, e.g. at the distal end of the fibres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention relates to a kind of protective covers for fluorescent optical fiber temperature sensor, fluorescent optical fiber temperature sensor includes optical fiber containing detecting head and the photoelectric converter being connect with optical fiber, the Interference fit of optical fiber and photoelectric converter connects, the Interference fit of protective cover and photoelectric converter connects, including the cylindrical shell of front opening, it is movably set in the magnet steel pipe that middle part is stretched along outer cover length direction in shell, shell is interior to be separated to form ante-chamber and back cavity through a vertically arranged ring baffle；One inserted link of one end of magnet steel pipe is movably set in back cavity, and the other end is extended to across ring baffle middle through-hole outside shell；It is arranged with a spring outside magnet steel pipe in shell ante-chamber, is extended outwardly radially outside equipped with a flange for limit positioned at the magnet steel pipe of case nose opening；Fluorescent powder is filled in magnet steel pipe.The beneficial effects of the present invention are：By the Interference fit of protective cover and photoelectric converter, Backup lightpath realizes that photoelectric converter can be used as mobile device.
Description
Technical field
The present invention relates to a kind of protective covers for fluorescent optical fiber temperature sensor.
Background technology
The fluorescent object (film) that fluorescent optical fiber temperature sensor is installed by multimode fibre and at the top of it forms.Fluorescence
For matter after the light stimulus by certain wavelength (being excited to compose), stimulated radiation goes out fluorescent energy.After excitation is cancelled, fluorescence sunset glow is held
Continuous property depends on the factors such as fluorescent material characteristic, environment temperature.It is this be excited to fluoresce typically exponentially decay, I
Decaying time constant be referred to as fluorescence lifetime or fluorescence sunset glow time (ns).It was found that under different environment temperatures, it is glimmering
The decaying of light sunset glow is also different.Therefore pass through the length in measurement fluorescence sunset glow service life, so that it may to learn environment temperature at that time.Fluorescence
Formula fibre optic temperature sensor is suitably applied the prison of the temperature in the special industries environment such as high voltage, strong electromagnetic (EMI/RFI/EMP)
It surveys.Fluorescent optical fiber temperature sensor uses rare-earth luminescent material as temperature sensing material, passes through fiber optic conduction excitation light and fluorescence, light
Temperature information in the fluorescence that electrical switching device extraction receives.When photoelectric conversion device is used as mobile measuring equipment,
Its light path must be protected.Fibre optic temperature sensor mainly by containing detecting head optical fiber and photoelectric conversion device form.Mesh
Before, not general photoelectric conversion device goes to measure more than the fluorescence with temperature information by fiber optic conduction as mobile measuring equipment
Brightness signal, when photoelectric conversion device uses as mobile measuring equipment forward and backward, light path all must be protected tightly, if simply
Ground uses a plastic sheath, loses at a touch；In mobile device in use, it needs to look for a place storage again, it is easy to lose, also may be used
It can be contaminated；Mobile device usually requires measuring environment temperature.
Invention content
In view of the above problems, the present invention provides a kind of protective covers for fluorescent optical fiber temperature sensor, realize to light
It protects on road.
Scheme is used by the present invention solves technical problem：A kind of protective cover for fluorescent optical fiber temperature sensor,
The fluorescent optical fiber temperature sensor includes optical fiber containing detecting head and the photoelectric converter being connect with optical fiber, the optical fiber and light
The Interference fit of electric transducer connects, and the protective cover is connect with the Interference fit of the photoelectric converter, including a front end is opened
The cylindrical shell of mouth is movably set in the magnet steel pipe that middle part is stretched along outer cover length direction in shell, is passed through in the shell
One vertically arranged ring baffle is separated to form ante-chamber and back cavity；One inserted link of one end of the magnet steel pipe is movably set in back cavity
Interior, the other end is extended to across the ring baffle middle through-hole outside shell；It is arranged with outside magnet steel pipe in shell ante-chamber
One spring is extended outwardly radially outside positioned at the magnet steel pipe of case nose opening equipped with a flange for limit；It is described
Fluorescent powder is filled in magnet steel pipe.
Further, the fluorescent powder is filled to magnet steel pipe Inner Front End, and magnet steel pipe both ends are additionally provided with for close
Seal the sealing plug of the fluorescent powder.
Further, the rear portion of the shell back cavity is equipped with the magnet for absorption.
Further, the lateral wall of the shell is further opened with the card slot with the Interference fit of photoelectric converter, the card
Slot extends back from case nose opening.
Further, the interface of the photoelectric converter is cylindrical, and the interface lateral wall is equipped with and card slot
The card division of cooperation.
Further, the flange is located at the front end of spring, and the leading flank of the flange is inclined-plane, and the photoelectricity turns
The limit card block coordinated with the flange is correspondingly provided in the interface of parallel operation.
Further, magnet steel pipe rear end is equipped with a vertical jack, and the inserted link stretches into the vertical jack, and
It is limited with ring baffle cooperation.
Compared with prior art, the present invention has following advantageous effect：When photoelectric converter as mobile device in use, need
Light path protection is carried out, the protective cover provided through the invention can be connect with the Interference fit of photoelectric converter, protection input
To the light path of photoelectric converter；And it is filled with fluorescent powder in the protective cover, phosphorescence afterglow, institute can be generated after light stimulus
Phosphorescence afterglow is generated, realizes that protective cover ambient temperature measures by photoelectric converter.
Description of the drawings
Patent of the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of the protective cover of the embodiment of the present invention.
Fig. 2 is the cooperation schematic diagram of the protective cover and photoelectric converter interface of the embodiment of the present invention.
In figure：1- shells；10- ante-chambers；11- back cavities；12- ring baffles；2- card slots；3- magnet steel pipes；30- flanges；4- is glimmering
Light powder；5- sealing plugs；6- springs；7- magnet；8- inserted links；9- photoelectric converter interfaces；90- limit card blocks；The card divisions 91-.
Specific implementation mode
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Fig. 1~2, a kind of protective cover for fluorescent optical fiber temperature sensor of the present embodiment, the fluorescence light
Fine temperature sensor includes optical fiber containing detecting head and the photoelectric converter being connect with optical fiber, the optical fiber and photoelectric converter
Interface 9 is connected, and the interface 9 of the protective cover and the photoelectric converter is connected, including a front opening is in cylinder
The shell 1 of shape is movably set in the magnet steel pipe 3 that middle part is stretched along 1 length direction of shell in shell 1, is erected through one in the shell 1
It is separated to form ante-chamber 10 and back cavity 11 to the ring baffle of setting；One end of the magnet steel pipe 3 is after an inserted link 8 is movably set in
In chamber 11, the other end is extended to across the ring baffle middle through-hole outside shell 1；Magnet steel pipe 3 in 1 ante-chamber 10 of shell
It is arranged with a spring 6 outside, the magnet steel pipe 3 at 1 front opening of shell is extended outwardly radially outside equipped with one for limiting
Flange 30；Fluorescent powder 4 is filled in the magnet steel pipe 3.
From the foregoing, the beneficial effects of the present invention are：By protective jacket provided by the invention and photoelectric converter
Interference fit realizes the protection of light path.
In the present embodiment, the filling of the fluorescent powder 4 is to 3 Inner Front End of magnet steel pipe, and 3 both ends of magnet steel pipe are additionally provided with
Sealing plug 5 for sealing the fluorescent powder 4.Fluorescent powder 4 generates phosphorescence afterglow after light stimulus, and produced phosphorescence afterglow is led to
It crosses photoelectric converter and realizes that protective cover ambient temperature measures.
In the present embodiment, the rear portion of 1 back cavity 11 of the shell is equipped with the magnet 7 for absorption.Pass through the magnet 7
Protective cover can be adsorbed on photoelectric converter, prevent from losing.
In the present embodiment, the lateral wall of the shell 1 is further opened with the card slot 2 coordinated with the interface of photoelectric converter 9,
The card slot 2 extends back from 1 front opening of shell.
In the present embodiment, the interface 9 of the photoelectric converter is cylindrical, and the interface lateral wall be equipped with
The card division 91 that card slot 2 coordinates.It is realized by the card slot 2 of protective cover and the cooperation of card division 91 on interface and sets protective cover card and interface
On.
In the present embodiment, the flange 30 is located at the front end of spring 6, and the leading flank of the flange 30 is inclined-plane,
The limit card block 90 coordinated with the flange 30 is correspondingly provided in the interface 9 of the photoelectric converter.By for the convex of limit
Edge 30 coordinates with the limit card block 90 in interface, and the magnet steel pipe 3 of protective cover is inserted into the through-hole in interface.
In the present embodiment, 3 rear end of magnet steel pipe is equipped with a vertical jack, and the inserted link 8 stretches into described vertical slotting
Hole, and limited with ring baffle cooperation.The inserted link 8 coordinates with ring baffle, and realization is set through 3 rear end of magnet steel pipe
It is placed in back cavity 11, along 11 transverse movement of back cavity.
The specific implementation process of the present embodiment：
By taking SR-G fluorescent optical fiber temperature sensors as an example, the fibre-optical probe of SR-G fluorescent optical fiber sensors is by ST connectors, light
The measurement of temperature is realized in the cooperation of interface 9 of fine optical cable and end temperature-sensitive end composition, ST connectors and photoelectric converter.Work as opto-electronic conversion
Device, in use, before measuring, needs the interface 9 using protective cover protection photoelectric converter will not be by dirt as mobile measuring equipment
Dye, after measurement, needs through protective cover Backup lightpath；Therefore protective cover shape provided by the invention is similar with ST connectors, realizes
It is used with photoelectric converter Interference fit, while the fluorescent powder 4 by being arranged in protective cover is used for the survey of protective cover ambient temperature
Amount, by magnetic force be used for protective cover when not in use, protective cover is adsorbed in equipment.
In conclusion a kind of protective cover for fluorescent optical fiber temperature sensor provided by the invention, simple in structure, operation
It is convenient, realize the protection to photoelectric converter.
Above-listed preferred embodiment, has been further described the object, technical solutions and advantages of the present invention, is answered
Understand, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (6)
1. a kind of protective cover for fluorescent optical fiber temperature sensor, the fluorescent optical fiber temperature sensor includes containing detecting head
The Interference fit of optical fiber and the photoelectric converter being connect with optical fiber, the optical fiber and photoelectric converter connects, it is characterised in that：Institute
It states protective cover to connect with the Interference fit of the photoelectric converter, including the cylindrical shell of a front opening, activity setting
In the magnet steel pipe that middle part is stretched along outer cover length direction in shell, the shell is interior to separate shape through a vertically arranged ring baffle
At ante-chamber and back cavity；One inserted link of one end of the magnet steel pipe is movably set in back cavity, and the other end passes through the ring baffle
Middle through-hole extends to outside shell；It is arranged with a spring outside magnet steel pipe in shell ante-chamber, is located at case nose opening
Magnet steel pipe extend outwardly radially outside equipped with one for limit flange；Fluorescent powder is filled in the magnet steel pipe;It is described
Fluorescent powder is filled to magnet steel pipe Inner Front End, and magnet steel pipe both ends are additionally provided with the sealing plug for sealing the fluorescent powder.
2. the protective cover according to claim 1 for fluorescent optical fiber temperature sensor, it is characterised in that：After the shell
The rear portion of chamber is equipped with the magnet for absorption.
3. the protective cover according to claim 1 for fluorescent optical fiber temperature sensor, it is characterised in that：The shell
Lateral wall is further opened with the card slot with the Interference fit of photoelectric converter, and the card slot extends back from case nose opening.
4. the protective cover according to claim 3 for fluorescent optical fiber temperature sensor, it is characterised in that：The photoelectricity turns
The interface of parallel operation is cylindrical, and the interface lateral wall is equipped with the card division coordinated with card slot.
5. the protective cover according to claim 4 for fluorescent optical fiber temperature sensor, it is characterised in that：The flange position
In the front end of spring, and the leading flank of the flange is inclined-plane, be correspondingly provided in the interface of the photoelectric converter with it is described
The limit card block of flange cooperation.
6. the protective cover according to claim 1 for fluorescent optical fiber temperature sensor, it is characterised in that：The magnet steel pipe
Rear end is equipped with a vertical jack, and the inserted link stretches into the vertical jack, and is limited with ring baffle cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611210180.1A CN106404218B (en) | 2016-12-24 | 2016-12-24 | A kind of protective cover for fluorescent optical fiber temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611210180.1A CN106404218B (en) | 2016-12-24 | 2016-12-24 | A kind of protective cover for fluorescent optical fiber temperature sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106404218A CN106404218A (en) | 2017-02-15 |
| CN106404218B true CN106404218B (en) | 2018-09-18 |
Family
ID=58087638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611210180.1A Expired - Fee Related CN106404218B (en) | 2016-12-24 | 2016-12-24 | A kind of protective cover for fluorescent optical fiber temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106404218B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455433A (en) * | 2018-05-08 | 2019-11-15 | 河北亿邦医疗设备股份有限公司 | A kind of fibre optic temperature sensor |
| CN109029760A (en) * | 2018-08-07 | 2018-12-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Temperature-detecting device for cooking stove and the cooking stove with it |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0375168B1 (en) * | 1988-12-21 | 1993-07-14 | The Whitaker Corporation | Optical connector |
| CN2419609Y (en) * | 2000-03-21 | 2001-02-14 | 许正昇 | Improved optical fiber joint |
| CN2450680Y (en) * | 2000-11-06 | 2001-09-26 | 伸金股份有限公司 | Rotary dual-purpose fibre-optical splice |
| CN102401703B (en) * | 2011-08-23 | 2013-04-24 | 北京东方锐择科技有限公司 | Microwave temperature measurement system based on fluorescence fiber temperature measurement |
| CN102636289A (en) * | 2012-04-26 | 2012-08-15 | 江苏骏龙电力科技股份有限公司 | Transformer winding temperature measuring device based on fluorescent fiber technique |
| CN203149156U (en) * | 2013-01-24 | 2013-08-21 | 深圳市申之络科技有限公司 | Connector for fluorine element plastic optical fiber |
| CN203259269U (en) * | 2013-04-25 | 2013-10-30 | 深圳市中技源专利城有限公司 | Florescent plastic optical fiber temperature sensing system |
| CN205374810U (en) * | 2015-12-04 | 2016-07-06 | 国网天津市电力公司 | Strength magnets formula optical fiber head contact pin dustproof cap storage device |
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2016
- 2016-12-24 CN CN201611210180.1A patent/CN106404218B/en not_active Expired - Fee Related
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|---|---|
| CN106404218A (en) | 2017-02-15 |
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Effective date of registration: 20220718 Address after: 350028 Room 201, second floor, building 2, No. 163, Jinyan Road, Jianxin Town, Cangshan District, Fuzhou City, Fujian Province Patentee after: FUZHOU INNOVATION ELECTRONIC SCIE & TECH Co.,Ltd. Address before: 350002 301, third floor, building 2, No. 163, Jinyan Road, Jianxin Town, Cangshan District, Fuzhou City, Fujian Province Patentee before: FUZHOU SKYRAY OPTOELECTRONIC TECHNOLOGY CO.,LTD. |
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Granted publication date: 20180918 |