CN106404218A - Protective cover for fluorescence optical fiber temperature sensor - Google Patents
Protective cover for fluorescence optical fiber temperature sensor Download PDFInfo
- Publication number
- CN106404218A CN106404218A CN201611210180.1A CN201611210180A CN106404218A CN 106404218 A CN106404218 A CN 106404218A CN 201611210180 A CN201611210180 A CN 201611210180A CN 106404218 A CN106404218 A CN 106404218A
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- CN
- China
- Prior art keywords
- optical fiber
- protective cover
- temperature sensor
- steel pipe
- magnet steel
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- 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.)
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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
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention relates to a protective cover for a fluorescence optical fiber temperature sensor. The fluorescence optical fiber temperature sensor includes an optical fiber including a detection head and a photoelectric converter connected with the optical fiber, the optical fiber is matchingly connected with the interface of the photoelectric converter, the protective cover is matchingly connected with the interface of the photoelectric converter, the protective cover comprises housing with a cylindrical front opening, a magnetic steel tube movably arranged at the middle portion in the housing and stretching along the length direction of the housing, the housing is separated into a front cavity and a back cavity through a vertically arranged ring baffle; one end of the magnetic steel tube is movably arranged in the back cavity through an insertion rod, and the other end of the magnetic steel tube passes through the middle portion of the ring baffle and extends out of the housing; the outer sleeve of the magnetic steel tube in the front cavity of the housing is provided with a spring, the outer sleeve of the magnetic steel tube at the opening at the front end of the housing extends outwards along the vertical direction and is provided with a flange for spacing; and the magnetic steel tube is filled with fluorescent powder. Through matching of the protective cover and the interface of the photoelectric converter to protect a light path and realize that the photoelectric converter is taken as a mobile device.
Description
Technical field
The present invention relates to a kind of protective cover for fluorescent optical fiber temperature sensor.
Background technology
Fluorescent optical fiber temperature sensor by multimode fibre and its top install fluorescent object (film) form.Fluorescence
After the light stimulus by certain wavelength (being excited to compose), stimulated radiation goes out fluorescent energy to matter.After excitation is cancelled, the holding of fluorescence sunset glow
Continuous property depends on the factor such as fluorescent material characteristic, ambient temperature.This be excited to fluoresce typically exponentially decay, I
Decay time constant be called fluorescence lifetime or fluorescence sunset glow time (ns).It was found that under different ambient temperatures, glimmering
The decay of light sunset glow is also different.Therefore pass through to measure the length in fluorescence sunset glow life-span it is possible to learn ambient temperature at that time.Fluorescence
Formula fibre optic temperature sensor is suitably applied the temperature prison in the special industry environment such as high voltage, strong electromagnetic (EMI/RFI/EMP)
Survey.Fluorescent optical fiber temperature sensor, with rare-earth luminescent material as temperature sensing material, light and fluorescence, light are encouraged by fiber optic conduction
Electrical switching device extracts the temperature information in the fluorescence receiving.When photoelectric conversion device uses as mobile measuring equipment,
Its light path must be protected.Fibre optic temperature sensor is mainly made up of the optical fiber containing detecting head and photoelectric conversion device.Mesh
Before, do not have general photoelectric conversion device to go to measure by more than the fluorescence with temperature information for the fiber optic conduction as mobile measuring equipment
Brightness signal, when photoelectric conversion device use as mobile measuring equipment forward and backward, its light path all must tight protection, if simply
Ground uses a plastic sheath, loses at a touch；When mobile device uses, it needs to look for a place to deposit again, easily loses, also may be used
Can be contaminated；Mobile device typically requires measuring environment temperature.
Content of the invention
The present invention is directed to above-mentioned deficiency, there is provided a kind of protective cover for fluorescent optical fiber temperature sensor, realizes to light
Road is protected.
The present invention solves the scheme that adopted of technical problem：A kind of protective cover for fluorescent optical fiber temperature sensor,
Described fluorescent optical fiber temperature sensor includes optical fiber and the optical-electrical converter being connected with optical fiber, described optical fiber and light containing detecting head
The Interference fit of electric transducer connects, and described protective cover is connected with the Interference fit of described optical-electrical converter, opens including a front end
Mouthful cylindrical shell, it is movably set in the magnet steel pipe stretching in the middle part of inside the shell, described inside the shell warp along outer cover length direction
One vertically arranged ring baffle is separated to form ante-chamber and back cavity；One end one inserted link of described magnet steel pipe is movably set in back cavity
Interior, the other end extends to outside shell through described ring baffle middle through-hole；It is arranged with outside the magnet steel pipe in shell ante-chamber
One spring, the magnet steel pipe at case nose opening stretches out radially outside and is provided with one for spacing flange；Described
It is filled with fluorescent material in magnet steel pipe.
Further, described fluorescent material is filled to magnet steel pipe Inner Front End, and described magnet steel pipe two ends are additionally provided with for close
Seal the sealing plug of described fluorescent material.
Further, the rear portion of described shell back cavity be provided with one for absorption Magnet.
Further, the lateral wall of described shell is further opened with the draw-in groove with the Interference fit of optical-electrical converter, described card
Groove extends back from case nose opening.
Further, the interface of described optical-electrical converter is cylindrical, and described interface lateral wall is provided with and draw-in groove
The card division of cooperation.
Further, described flange is located at the front end of spring, and the leading flank of described flange is inclined-plane, and described photoelectricity turns
It is correspondingly provided with the limit card block with the cooperation of described flange in the interface of parallel operation.
Further, described magnet steel pipe rearward end is provided with a vertical jack, and described inserted link stretches into described vertical jack, and
With described ring baffle cooperation carry out spacing.
Compared with prior art, the present invention has following beneficial effect：When optical-electrical converter uses as mobile device, need
Carry out light path protection, the protective cover being provided by the present invention, can be connected with the Interference fit of optical-electrical converter, protection input
Light path to optical-electrical converter；And it is filled with fluorescent material in described protective cover, phosphorescence afterglow, institute can be produced after light stimulus
Produce phosphorescence afterglow, the measurement of protective cover environment temperature is realized by optical-electrical converter.
Brief description
Below in conjunction with the accompanying drawings patent of the present invention is further illustrated.
Fig. 1 is the structural representation of the protective cover of the embodiment of the present invention.
Fig. 2 is the cooperation schematic diagram with optical-electrical converter interface for the protective cover of the embodiment of the present invention.
In figure：1- shell；10- ante-chamber；11- back cavity；12- ring baffle；2- draw-in groove；3- magnet steel pipe；30- flange；4- is glimmering
Light powder；5- sealing plug；6- spring；7- Magnet；8- inserted link；9- optical-electrical converter interface；90- limit card block；91- card division.
Specific embodiment
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, described fluorescence light
Fine temperature sensor includes the optical fiber and the optical-electrical converter being connected with optical fiber containing detecting head, described optical fiber and optical-electrical converter
Interface 9 is connected, and described protective cover is connected with the interface 9 of described optical-electrical converter, is in cylinder including a front opening
The shell 1 of shape, it is movably set in the magnet steel pipe 3 that in shell 1, stretch in middle part along shell 1 length direction, perpendicular through one in described shell 1
Ring baffle to setting is separated to form ante-chamber 10 and back cavity 11；After one end of described magnet steel pipe 3 is movably set in through an inserted link 8
In chamber 11, the other end extends to outside shell 1 through described ring baffle middle through-hole；Magnet steel pipe 3 in shell 1 ante-chamber 10
It is arranged with outward a spring 6, the magnet steel pipe 3 at shell 1 front opening stretches out radially outside and is provided with one for spacing
Flange 30；It is filled with fluorescent material 4 in described magnet steel pipe 3.
From the foregoing, the beneficial effects of the present invention is：The protective jacket that the present invention is provided and optical-electrical converter
Interference fit realizes the protection of light path.
In the present embodiment, described fluorescent material 4 is filled to magnet steel pipe 3 Inner Front End, and described magnet steel pipe 3 two ends are additionally provided with
For sealing the sealing plug 5 of described fluorescent material 4.Fluorescent material 4 produces phosphorescence afterglow, produced phosphorescence afterglow after light stimulus, leads to
Cross optical-electrical converter and realize the measurement of protective cover environment temperature.
In the present embodiment, the rear portion of described shell 1 back cavity 11 be provided with one for absorption Magnet 7.By described Magnet 7
Protective cover can be adsorbed on optical-electrical converter, prevent from losing.
In the present embodiment, the lateral wall of described shell 1 is further opened with the draw-in groove 2 with interface 9 cooperation of optical-electrical converter,
Described draw-in groove 2 extends back from shell 1 front opening.
In the present embodiment, the interface 9 of described optical-electrical converter is cylindrical, and described interface lateral wall be provided with
The card division 91 of draw-in groove 2 cooperation.Realize setting and interface protective cover card with card division 91 cooperation on interface by the draw-in groove 2 of protective cover
On.
In the present embodiment, described flange 30 is located at the front end of spring 6, and the leading flank of described flange 30 is inclined-plane,
It is correspondingly provided with the limit card block 90 with the cooperation of described flange 30 in the interface 9 of described optical-electrical converter.By for spacing convex
Edge 30 is coordinated with the limit card block 90 in interface, and the magnet steel pipe 3 of protective cover is inserted in the through hole in interface.
In the present embodiment, described magnet steel pipe 3 rearward end is provided with a vertical jack, and described inserted link 8 stretches into described vertically to be inserted
Hole, and with described ring baffle cooperation carry out spacing.Described inserted link 8 and ring baffle cooperation, realize setting through magnet steel pipe 3 rear end
It is placed in back cavity 11, along back cavity 11 transverse movement.
The specific implementation process of the present embodiment：
Taking SR-G fluorescent optical fiber temperature sensor as a example, the fibre-optical probe of SR-G fluorescent optical fiber sensor is by ST joint, optical fiber light
Cable and end temperature-sensitive end composition, ST joint coordinates, with the interface 9 of optical-electrical converter, the measurement realizing temperature.When optical-electrical converter is made
When using for mobile measuring equipment, before measurement, need the interface 9 protecting optical-electrical converter using protective cover will not be contaminated,
After measurement, need by protective cover Backup lightpath；The protective cover profile that therefore present invention provides is similar with ST joint, realizes and light
Electric transducer Interference fit uses, and the fluorescent material 4 simultaneously passing through setting in protective cover is used for the measurement of protective cover environment temperature, leads to
Cross magnetic force for when protective cover does not use, protective cover being adsorbed on equipment.
In sum, a kind of protective cover for fluorescent optical fiber temperature sensor that the present invention provides, structure is simple, operation
Convenient, realize the protection to optical-electrical converter.
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered
It is understood by, the foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of protective cover for fluorescent optical fiber temperature sensor, described fluorescent optical fiber temperature sensor is included containing detecting head
Optical fiber and the optical-electrical converter being connected with optical fiber, described optical fiber be connected with the Interference fit of optical-electrical converter it is characterised in that：Institute
The Interference fit stating protective cover with described optical-electrical converter is connected, including the cylindrical shell of a front opening, activity setting
The magnet steel pipe stretching along outer cover length direction in the middle part of inside the shell, described inside the shell separates shape through a vertically arranged ring baffle
Become ante-chamber and back cavity；One end one inserted link of described magnet steel pipe is movably set in back cavity, and the other end passes through described ring baffle
Middle through-hole extends to outside shell；It is arranged with a spring outside the magnet steel pipe in shell ante-chamber, at case nose opening
Magnet steel pipe stretch out radially outside and be provided with one for spacing flange；It is filled with fluorescent material in described magnet steel pipe.
2. the protective cover for fluorescent optical fiber temperature sensor according to claim 1 it is characterised in that：Described fluorescent material
Fill to magnet steel pipe Inner Front End, and described magnet steel pipe two ends are additionally provided with the sealing plug for sealing described fluorescent material.
3. the protective cover for fluorescent optical fiber temperature sensor according to claim 1 it is characterised in that：After described shell
The rear portion in chamber be provided with one for absorption Magnet.
4. the protective cover for fluorescent optical fiber temperature sensor according to claim 1 it is characterised in that：Described shell
Lateral wall is further opened with the draw-in groove with the Interference fit of optical-electrical converter, and described draw-in groove extends back from case nose opening.
5. the protective cover for fluorescent optical fiber temperature sensor according to claim 4 it is characterised in that：Described photoelectricity turns
The interface of parallel operation is cylindrical, and described interface lateral wall is provided with the card division with draw-in groove cooperation.
6. the protective cover for fluorescent optical fiber temperature sensor according to claim 5 it is characterised in that：Described flange position
In the front end of spring, and the leading flank of described flange be inclined-plane, be correspondingly provided with the interface of described optical-electrical converter with described
The limit card block of flange cooperation.
7. the protective cover for fluorescent optical fiber temperature sensor according to claim 1 it is characterised in that：Described magnet steel pipe
Rearward end is provided with a vertical jack, and described inserted link stretches into described vertical jack, and with described ring baffle cooperation carry out spacing.
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 true CN106404218A (en) | 2017-02-15 |
| CN106404218B CN106404218B (en) | 2018-09-18 |
Family
ID=58087638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611210180.1A Active 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0375168A1 (en) * | 1988-12-21 | 1990-06-27 | 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 |
| CN102401703A (en) * | 2011-08-23 | 2012-04-04 | 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 |
-
2016
- 2016-12-24 CN CN201611210180.1A patent/CN106404218B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0375168A1 (en) * | 1988-12-21 | 1990-06-27 | 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 |
| CN102401703A (en) * | 2011-08-23 | 2012-04-04 | 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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106404218B (en) | 2018-09-18 |
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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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