CN105676383B - The production method of optical cable, temperature sensor and temperature sensor - Google Patents
The production method of optical cable, temperature sensor and temperature sensor Download PDFInfo
- Publication number
- CN105676383B CN105676383B CN201610185763.7A CN201610185763A CN105676383B CN 105676383 B CN105676383 B CN 105676383B CN 201610185763 A CN201610185763 A CN 201610185763A CN 105676383 B CN105676383 B CN 105676383B
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- Prior art keywords
- coat
- protective layer
- optical cable
- layer
- temperature sensor
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Classifications
-
- 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4436—Heat resistant
-
- 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
Abstract
The present invention provides the production method of a kind of optical cable, temperature sensor and temperature sensor.The optical cable includes optical fiber and protective layer; protective layer is wrapped in outside optical fiber; optical cable further includes coat; coat includes the first coat and the second coat; first coat is coated in the outer surface of optical fiber; second coat is coated in the outer surface of the first coat, and the material of the first coat is polyimides, and the material of the second coat is thermostable fluorine material；Protective layer is located at outside coat, and protective layer is made of thermostable fluorine material gas permeable pipe.The temperature sensor includes the optical cable, further includes temp probe, and temp probe is adhesively fixed with optical cable.This temperature sensor has stronger stretch-proof and anti-high-voltage strength, and shock resistance is good and can ensure the temperature sensor of long-time reliability service.
Description
Technical field
The present invention relates to fibre optic temperature sensor fields, specifically, being related to a kind of optical cable applied to temperature sensor, also
It is related to a kind of temperature sensor and preparation method thereof of application optical cable.
Background technique
The optical fiber temperature sensor technology of existing oil-immersed type transformer winding temperature real-time measurement, mainly there is optical fiber Bragg light
Grid, fluorescence fiber temperature measurement and semiconductor optical fibre thermometry, but there is easy damaged in the application in current sensor design, it is difficult to
The problems such as compatible transformer whole process manufacture craft.It is real-time in the oil-immersed type transformer winding temperature based on fluorescence optical fiber sensing technology
In the fibre optic temperature sensor of measurement, is optimized by structure design and packaging technology, oil-immersed type transformer manufacturing process stream can be compatible with
Journey, has higher tension and compression strength, and encapsulation difficulty is small, high voltage withstanding superior performance, and the system robustness constructed is good,
It has become for current mainstream technology means.
Existing fibre optic temperature sensor is composed using optical fiber and temp probe, due to the heat resisting and pressure resisting of ordinary optic fibre
Performance is bad, in order to enable fibre optic temperature sensor can apply the environment in high temperature high voltage, generally requires to carry out optical fiber
A series of processing, so that optical fiber is resistant to high temperatures and anti-high voltage increases.
Summary of the invention
The first object of the present invention is to provide resistant to high temperatures, the anti-high voltage of one kind, stretch-proof and the higher optical cable of flexibility.
The second object of the present invention, which is to provide one kind, has stronger tensile strength, and shock resistance is good and can be true
Protect the temperature sensor of long-time reliability service.
The third object of the present invention, which is to provide one kind, has stronger tensile strength, and shock resistance is good and can be true
The production method for protecting the temperature sensor of long-time reliability service.
In order to realize above-mentioned first purpose, optical cable provided by the invention includes optical fiber and protective layer, and protective layer is wrapped in light
Fine outer, optical cable further includes coat, and coat includes the first coat and the second coat, and the first coat is coated in optical fiber
Outer surface, the second coat are coated in the outer surface of the first coat, and the material of the first coat is polyimides, the second coating
The material of layer is thermostable fluorine material；Protective layer is located at outside coat, and protective layer is made of thermostable fluorine material gas permeable pipe.
By above scheme as it can be seen that optical cable of the invention uses heat-resisting material as coat and protection in fiber outer surface
Layer, may make the heat-resisting quantity of optical fiber to increase, and the flexibility of tensile strength enhancing and optical fiber is promoted, and then improves making for optical fiber
Use the service life.Wherein since polyimides has resistant to high temperatures and anti-high voltage capability stronger, use polyimides as coat,
It can make high temperature resistant property and the enhancing of anti-high voltage capability of optical fiber.
In preferred scheme, protective layer includes the first protective layer and the second protective layer, and the second protective layer, which is located at first, to be protected
Outside sheath；Optical cable further includes braiding layer, and braiding layer is located among the first protective layer and the second protective layer, and the material of braiding layer is resistance to
High temperature fiber.
It can be seen that two layers of protective layer is arranged in optical cable of the invention, and it is made using similar heat-resisting material, it can be into one
Step improves the heat-resisting quantity of optical fiber, in addition, one layer of braiding layer is arranged in optical cable, can protect in order to increase the stretch-resistance of optical fiber
Shield optical fiber is hardly damaged when being stretched.
In further embodiment, optical cable further includes rotary-cut pipe, and rotary-cut pipe is wrapped in outside the second protective layer, and rotary-cut pipe is by resistance to height
Warm fluorine material is made.
By above scheme as it can be seen that the outermost in optical cable is protected using rotary-cut pipe, optical cable endothecium structure can be made to obtain
Protection, while the making step of optical cable can be made more convenient using rotary-cut pipe.
In order to realize above-mentioned second purpose, temperature sensor provided by the invention includes temp probe and optical cable, temperature
Probe is adhesively fixed with optical cable, and optical cable includes optical fiber and protective layer, and protective layer is wrapped in outside optical fiber.Optical cable further includes coat,
Coat includes the first coat and the second coat, and the first coat is coated in the outer surface of optical fiber, the coating of the second coat
In the outer surface of the first coat, the material of the first coat is polyimides, and the material of the second coat is thermostable fluorine material
Material；Protective layer is located at outside coat, and protective layer is made of thermostable fluorine material gas permeable pipe.
By above scheme as it can be seen that the optical cable that temperature sensor of the invention is formed using material resistant to high temperatures, can have relatively strong
Tensile strength, it can be ensured that temperature sensor long-time reliability service under high temperature environment.
In order to realize that above-mentioned third purpose, the production method of temperature sensor provided by the invention are included in optical fiber periphery and cover
Lid coat, coat include the first coat and the second coat, and the first coat is coated in the outer surface of optical fiber, and second applies
Coating is coated in the outer surface of the first coat, and the material of the first coat is polyimides, and the material of the second coat is resistance to
High temperature fluorine material；In coat periphery protective mulch, protective layer is made of thermostable fluorine material gas permeable pipe；By temp probe with
Fiber matrix is fixed.It executes in the step of coat periphery protective mulch, also covering braiding layer, protective layer includes the first guarantor
Sheath and the second protective layer, the second protective layer are located at outside the first protective layer, and braiding layer is located at the first protective layer and the second protective layer
Centre, the material of braiding layer are high-temperature fibres；When covering braiding layer, after covering the first protective layer, braiding layer is covered, then
The second protective layer is covered outside braiding layer.Production method further includes the jacket rotary-cut executed after the protective mulch of coat periphery
Pipe, rotary-cut pipe are made of thermostable fluorine material.
By above scheme as it can be seen that temperature sensor can be made to have relatively by force using the production method of temperature sensor of the invention
Tensile strength, shock resistance is good, it can be ensured that temperature sensor long-time reliability service under high temperature environment.
Detailed description of the invention
Fig. 1 is the cross-sectional structure schematic diagram of optical cable in optical cable embodiment.
Fig. 2 is the schematic cross-sectional view of temperature sensor embodiment of the present invention.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific embodiment
As shown in FIG. 1, FIG. 1 is the cross-sectional structure figures of optical cable.It can be seen from the figure that optical cable 1 includes optical fiber
11, the optical fiber finished product in prior art can be used in optical fiber 11.Optical cable 1 further includes coat, and coat includes the first coating
Layer 12 and the second coat 13, the first coat 12 are coated in the outer surface of optical fiber 11, and the material of the first coat 12 is polyamides
Imines, the second coat 13 are coated in the outer surface of the first coat 12, and the material of the second coat 13 is thermostable fluorine material,
Preferably, the material of the second coat 13 is Meltability polytetrafluorethyletubular (PFA), polytetrafluoroethylene (PTFE) or (per) fluoropolymer
One of polymer such as ECA3000.The first coat 12 and the second coat 13 are coated in 11 outer surface of optical fiber, light can be increased
The flexibility of fibre 11 makes optical fiber 11 have better bending property.
It can further be seen from figure 1 that protective layer, which is arranged, in optical cable 1 wraps up optical fiber 11, to protect optical fiber 11 to be hardly damaged.It protects
Sheath is located at outside coat, wherein protective layer includes the first protective layer 14 and the second protective layer 16, and the second protective layer 16 is located at
Outside first protective layer 14, the first protective layer 14 is made with the second protective layer 16 of thermostable fluorine material gas permeable pipe, permeability cell
Peripheral wall have circular hole, vertical cut or other be easy to it is ventilative etc. setting, it is preferred that the material of protective layer be Meltability polytetrafluorethyletubular
(PFA), one of polymer such as polytetrafluoroethylene (PTFE) or polyether-ether-ketone (PEEK), the first protective layer 14 and the second protection
16 usable same material of layer, it is possible to use different materials.Use permeability cell as protective layer, in addition to high temperature resistant light can be protected
Fibre 11 can also keep the happy circulation of air outside being hardly damaged in the kerosene vacuum drying process of oil-immersed type transformer.
In addition, optical cable 1 further includes braiding layer 15, braiding layer 15 is located among the first protective layer 14 and the second protective layer 16,
The material of braiding layer 15 is high-temperature fibre, it is preferred that the material of braiding layer 15 is Kevlar fabric (kevlar, aromatic series
Fypro).Braiding layer 15 is arranged in optical cable 1 can enhance the tensile strength of optical fiber 11.In addition, optical cable 1 further includes rotary-cut
Pipe 17, rotary-cut pipe 17 are wrapped in outside the second protective layer 16, and rotary-cut pipe 17 is made of thermostable fluorine material, it is preferred that rotary-cut pipe 17
Material be in the polymer such as Meltability polytetrafluorethyletubular (PFA), polytetrafluoroethylene (PTFE) or polyether-ether-ketone (PEEK) one
Kind.
It can be seen from the above, optical cable 1 of the invention uses heat-resisting material as coat and protection in 11 outer surface of optical fiber
Layer, may make the heat-resisting quantity of optical fiber 11 to increase, and the flexibility of tensile strength enhancing and optical fiber 11 is promoted, and then improves optical fiber
11 service life.
As shown in Fig. 2, Fig. 2 is arrangement of temperature sensor cross-sectional view of the present invention.From figure 2 it can be seen that temperature of the invention
Spending sensor includes temp probe 2 and optical cable 1, and temp probe 2 is adhesively fixed with optical cable 1, and temp probe 2 is for perceiving the external world
Temperature.Preferably, temp probe 2 includes fluorescence temperature-sensing probe.
Temperature sensor of the invention is described below with reference to the production method of the temperature sensor.
When making temperature sensor, need first to make optical cable 1.Since the temperature sensor is used in the environment of high temperature,
Therefore, it is necessary to carry out protection processing to optical fiber 11, it is fabricated to optical cable 1.The manufacturing process of optical cable 1 is as follows:
First in the periphery of optical fiber 11 covering coat, coat includes the first coat 12 and the second coat 13, and first
Coat 12 is coated in the outer surface of optical fiber 11, and the second coat 13 is coated in the outer surface of the first coat 12.Complete coating
After the coating of layer, in coat periphery protective mulch.Protective layer includes the first protective layer 14 and the second protective layer 16, and second protects
Sheath 16 is located at outside the first protective layer 14.In coat periphery during protective mulch, it is also necessary to cover one layer of braiding layer
15, after covering the first protective layer 14, the covering of braiding layer 15 can be carried out, the second protective layer is then covered outside braiding layer 15
16.After the covering for completing protective layer, the covering of rotary-cut pipe 17 is carried out, rotary-cut pipe 17 is wrapped in the outer surface of the second protective layer 16.
After the processing for completing optical fiber 11, temp probe 2 and optical fiber 11 are adhesively fixed, i.e., glued temp probe 2 and optical cable 1
Knot is fixed, to complete the production of temperature sensor.
It can be seen from the above, the optical cable that temperature sensor of the invention is formed using material resistant to high temperatures, can have stronger anti-
Tensile strength, shock resistance are good, it can be ensured that temperature sensor long-time reliability service under high temperature environment.Further, since
The high temperature resistance of the temperature sensor can be applied to carry out hot(test)-spot temperature measurement inside oil-immersed type transformer winding.
It should be noted that the above is only a preferred embodiment of the present invention, but the design concept invented is not limited thereto,
All insubstantial modifications made using this design to the present invention, are also fallen within the scope of protection of the present invention.
Claims (6)
1. optical cable, including optical fiber and protective layer, the protective layer are wrapped in outside the optical fiber, it is characterised in that:
The optical cable further includes coat, and the coat includes the first coat and the second coat, first coat
Outer surface coated in the optical fiber, second coat are coated in the outer surface of first coat, and described first applies
The material of coating is polyimides, and the material of second coat is thermostable fluorine material；
The protective layer is located at outside the coat, and the protective layer is made of thermostable fluorine material gas permeable pipe；
The protective layer includes the first protective layer and the second protective layer, and second protective layer is located at first protective layer
Outside；
The optical cable further includes braiding layer, and the braiding layer is located among first protective layer and second protective layer, institute
The material for stating braiding layer is high-temperature fibre.
2. optical cable according to claim 1, it is characterised in that:
The optical cable further includes rotary-cut pipe, and the rotary-cut pipe is wrapped in outside second protective layer, and the rotary-cut pipe is by high temperature resistant
Fluorine material is made.
3. temperature sensor, including temp probe and optical cable, the temp probe are adhesively fixed with the optical cable, the optical cable
Including optical fiber and protective layer, the protective layer is wrapped in outside the optical fiber, it is characterised in that:
The optical cable further includes coat, and the coat includes the first coat and the second coat, first coat
Outer surface coated in the optical fiber, second coat are coated in the outer surface of first coat, and described first applies
The material of coating is polyimides, and the material of second coat is thermostable fluorine material；
The protective layer is located at outside the coat, and the protective layer is made of thermostable fluorine material gas permeable pipe；
The protective layer includes the first protective layer and the second protective layer, and second protective layer is located at first protective layer
Outside；
The optical cable further includes braiding layer, and the braiding layer is located among first protective layer and second protective layer, institute
The material for stating braiding layer is high-temperature fibre.
4. temperature sensor according to claim 3, it is characterised in that:
The optical cable further includes rotary-cut pipe, and the rotary-cut pipe is wrapped in the outer of second protective layer, and the rotary-cut pipe is by resistance to height
Warm fluorine material is made.
5. the production method of temperature sensor, it is characterised in that: including
Coat is covered in optical fiber periphery, the coat includes the first coat and the second coat, first coat
Outer surface coated in the optical fiber, second coat are coated in the outer surface of first coat, and described first applies
The material of coating is polyimides, and the material of second coat is thermostable fluorine material；
In coat periphery protective mulch, the protective layer is made of thermostable fluorine material gas permeable pipe；
Temp probe and the fiber matrix are fixed；
Described in executing in the step of coat periphery protective mulch, also covering braiding layer, the protective layer include the first guarantor
Sheath and the second protective layer, second protective layer are located at outside first protective layer, and the braiding layer is located at described first and protects
Among sheath and second protective layer, the material of the braiding layer is high-temperature fibre；
When covering the braiding layer, after covering first protective layer, the braiding layer is covered, then outside the braiding layer
Cover second protective layer.
6. the production method of temperature sensor according to claim 5, it is characterised in that:
The production method further includes executing the jacket rotary-cut pipe after the protective mulch of coat periphery, the rotary-cut pipe
It is made of thermostable fluorine material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185763.7A CN105676383B (en) | 2016-03-29 | 2016-03-29 | The production method of optical cable, temperature sensor and temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185763.7A CN105676383B (en) | 2016-03-29 | 2016-03-29 | The production method of optical cable, temperature sensor and temperature sensor |
Publications (2)
| Publication Number | Publication Date |
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| CN105676383A CN105676383A (en) | 2016-06-15 |
| CN105676383B true CN105676383B (en) | 2019-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610185763.7A Active CN105676383B (en) | 2016-03-29 | 2016-03-29 | The production method of optical cable, temperature sensor and temperature sensor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771839A (en) * | 2016-12-31 | 2017-05-31 | 武汉隽龙科技股份有限公司 | Deformation of transformer winding distributed on line monitoring system and method |
| CN107121742A (en) * | 2017-05-11 | 2017-09-01 | 西安飞机工业（集团）亨通航空电子有限公司 | A kind of airborne optical cable and preparation method thereof |
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| US5002359A (en) * | 1990-05-22 | 1991-03-26 | W. L. Gore & Associates, Inc. | Buffered insulated optical waveguide fiber cable |
| CN101849204A (en) * | 2007-08-31 | 2010-09-29 | 滕索利特公司 | Fiber-optic cable and method of manufacture |
| CN101957484A (en) * | 2010-10-29 | 2011-01-26 | 江苏通鼎光电股份有限公司 | Tightly packaged fiber, and dual-core indoor cable and processing method thereof |
| CN102520476A (en) * | 2012-01-09 | 2012-06-27 | 南京全信传输科技股份有限公司 | High-temperature 260 DEG C resistant tightly-packaged fiber and preparation process thereof |
| CN202948178U (en) * | 2012-11-27 | 2013-05-22 | 深圳市迅捷光通科技有限公司 | Temperature measuring optical cable |
| CN203881978U (en) * | 2014-02-10 | 2014-10-15 | 江苏通光电子线缆股份有限公司 | Novel aviation high-temperature resistant signal transmission cable |
-
2016
- 2016-03-29 CN CN201610185763.7A patent/CN105676383B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5002359A (en) * | 1990-05-22 | 1991-03-26 | W. L. Gore & Associates, Inc. | Buffered insulated optical waveguide fiber cable |
| CN101849204A (en) * | 2007-08-31 | 2010-09-29 | 滕索利特公司 | Fiber-optic cable and method of manufacture |
| CN101957484A (en) * | 2010-10-29 | 2011-01-26 | 江苏通鼎光电股份有限公司 | Tightly packaged fiber, and dual-core indoor cable and processing method thereof |
| CN102520476A (en) * | 2012-01-09 | 2012-06-27 | 南京全信传输科技股份有限公司 | High-temperature 260 DEG C resistant tightly-packaged fiber and preparation process thereof |
| CN202948178U (en) * | 2012-11-27 | 2013-05-22 | 深圳市迅捷光通科技有限公司 | Temperature measuring optical cable |
| CN203881978U (en) * | 2014-02-10 | 2014-10-15 | 江苏通光电子线缆股份有限公司 | Novel aviation high-temperature resistant signal transmission cable |
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| CN105676383A (en) | 2016-06-15 |
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Address after: 2nd floor, No.9, Keji 8th Road, Tangjiawan Town, Zhuhai City, Guangdong Province Patentee after: Zhuhai aosens Sensing Technology Co., Ltd Address before: 519085 No. eight, 9, science and technology, Tang Wan Town, Guangdong, Zhuhai Patentee before: ZHUHAI OUSENSI TECHNOLOGY Co.,Ltd. |