CN113204071A - Preparation process of high-weather-resistance sheath-core structure conductive optical fiber for wind power - Google Patents
Preparation process of high-weather-resistance sheath-core structure conductive optical fiber for wind power Download PDFInfo
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- CN113204071A CN113204071A CN202110321795.6A CN202110321795A CN113204071A CN 113204071 A CN113204071 A CN 113204071A CN 202110321795 A CN202110321795 A CN 202110321795A CN 113204071 A CN113204071 A CN 113204071A
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- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02295—Microstructured optical fibre
- G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
- G02B6/0239—Comprising means for varying the guiding properties, e.g. tuning means
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01853—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/026—Drawing fibres reinforced with a metal wire or with other non-glass material
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- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02295—Microstructured optical fibre
- G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
- G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0026—Apparatus for manufacturing conducting or semi-conducting layers, e.g. deposition of metal
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thermal Sciences (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The invention belongs to the technical field of optical fiber preparation, and particularly relates to a preparation process of a high-weather-resistance wind power skin-core structure conductive optical fiber, which comprises the following steps: the invention adds a sheath-core structure in the manufacture of the optical fiber, thereby leading the optical fiber to have conductivity, thereby improving the applicability of the optical fiber, heating one side of a quartz tube for cooling, rotating for repeated operation, leading a glass layer in the quartz tube to be deposited on the heated side, leading the refraction azimuth angle in the optical fiber to be changed, and improving the speed of linear refraction.
Description
Technical Field
The invention relates to the technical field of optical fiber preparation, in particular to a preparation process of a high-weather-resistance wind power skin-core structure conductive optical fiber.
Background
The optical fiber is a short-hand writing of an optical fiber, is a fiber made of glass or plastic, can be used as a light conduction tool, has no electric conduction function due to the fact that the material is an insulating material, and has the advantages that the refraction azimuth angle in the existing optical fiber is fixed, the linear refraction is unchanged, and the refraction is slow.
Disclosure of Invention
The invention aims to provide a preparation process of a high-weather-resistance wind power sheath-core structure conductive optical fiber, which aims to solve the problems that the high-weather-resistance wind power sheath-core structure conductive optical fiber does not have a conductive function, is fixed in most azimuth angles, is unchanged in linear refraction and is slow in refraction in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation process of a high-weather-resistance wind power skin-core structure conductive optical fiber comprises the following steps:
step A: preparing a conductive fiber layer, namely uniformly combining molecules together through coprecipitation by using a co-solution precipitation coagulation method to obtain nascent fiber, putting the nascent fiber into skin layer coagulation liquid for impregnation, putting the nascent fiber into core layer coagulation liquid for impregnation after the impregnation is finished, and drafting to obtain the conductive fiber after the impregnation is finished;
and B: purifying the material, namely performing primary distillation on the raw material, selectively adsorbing the raw material after the primary distillation is finished, and performing secondary distillation on the raw material after the adsorption is finished to obtain a pure raw material;
and C: smelting raw materials, namely adding high-purity oxygen into the pure raw materials in the step B for bubbling to obtain reactant mixed gas, putting the conductive fibers into the middle of a quartz reaction tube, and delivering the reactant mixed gas into the quartz reaction tube, reacting the high-purity oxygen with the raw materials, depositing the reactant mixed gas on the inner wall of the quartz tube and the outer wall of the conductive fibers, depositing a cladding layer and a fiber core, depositing the cladding layer and the fiber core to form the quartz tube, heating one side of the quartz tube by using flame, spraying air to the other side of the quartz tube by using a cold nozzle for cooling, rotating the quartz tube by 90-180 degrees, and repeating the operation to obtain a preform;
step D: drawing, namely drawing the prefabricated rod in the step C through a high-temperature furnace, measuring the diameter of the drawn prefabricated rod, enabling the prefabricated rod meeting the requirement to enter a curing furnace for curing, and finishing the drawn fibril through a take-up pulley after curing is finished;
step E: d, plastic sheathing, namely sheathing the fibril stretched in the step D with nylon, coating weather-resistant paint on the outer wall of the nylon, and then attaching dark light-tight cloth-shaped material on the outer wall of the weather-resistant paint.
Preferably, the selective adsorption of the raw material in step 1 is performed by adsorption through an activated alumina adsorption column and an activated silica gel adsorption column.
Preferably, the raw material comprises one or more of silicon tetrachloride, germanium tetrachloride, high purity oxygen, helium, chlorine and a doping agent.
Preferably, the dopant comprises one or more of boron tribromide, boron trichloride.
Preferably, the skin layer solidification liquid in the step a includes sulfuric acid, zinc sulfate, sodium sulfate and water, and the core layer solidification liquid includes one or more of an acetone aqueous solution, an N-methylpyrrolidone aqueous solution, ethanol and butyl acetate.
Preferably, the weather-resistant coating in the step E is a dark resin.
Preferably, the nascent fiber in the step A comprises one or more of carbon fiber, aramid fiber and glass fiber.
Compared with the prior art, the invention has the beneficial effects that:
1) the invention adds the sheath-core structure in the manufacture of the optical fiber, thereby leading the optical fiber to have conductivity and improving the applicability of the optical fiber.
2) The invention heats one side of the quartz tube and cools the other side of the quartz tube, and rotates and repeats the operation, so that the glass layer in the quartz tube can be deposited on the heated side, the refraction azimuth angle in the optical fiber is changed, and the linear refraction speed is improved.
Drawings
FIG. 1 is a schematic flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the present invention provides a technical solution:
example 1:
a preparation process of a high-weather-resistance wind power skin-core structure conductive optical fiber comprises the following steps:
step A: preparing a conductive fiber layer, namely uniformly combining molecules together through coprecipitation by using a co-solution precipitation coagulation method to obtain nascent fiber, putting the nascent fiber into skin layer coagulation liquid for impregnation, putting the nascent fiber into core layer coagulation liquid for impregnation after the impregnation is finished, and drafting to obtain the conductive fiber after the impregnation is finished;
and B: purifying the material, namely performing primary distillation on the raw material, selectively adsorbing the raw material after the primary distillation is finished, and performing secondary distillation on the raw material after the adsorption is finished to obtain a pure raw material;
and C: smelting raw materials, namely adding high-purity oxygen into the pure raw materials in the step B, bubbling to obtain reactant mixed gas, putting the conductive fibers into the middle of a quartz reaction tube, and delivering the reactant mixed gas into the quartz reaction tube, reacting the high-purity oxygen with the raw materials, depositing the reactant mixed gas on the inner wall of the quartz tube and the outer wall of the conductive fibers, depositing a cladding layer and a fiber core, depositing the cladding layer and the fiber core to form the quartz tube, heating one side of the quartz tube by using flame, spraying air to the other side of the quartz tube by using a cold nozzle for cooling, rotating the quartz tube by 90 degrees, and repeating the operation to obtain a preform;
step D: drawing, namely drawing the prefabricated rod in the step C through a high-temperature furnace, measuring the diameter of the drawn prefabricated rod, enabling the prefabricated rod meeting the requirement to enter a curing furnace for curing, and finishing the drawn fibril through a take-up pulley after curing is finished;
step E: d, plastic sheathing, namely sheathing the fibril stretched in the step D with nylon, coating weather-resistant paint on the outer wall of the nylon, and then attaching dark light-tight cloth-shaped material on the outer wall of the weather-resistant paint.
The selective adsorption of the raw materials in the step 1 is carried out by an activated alumina adsorption column and an activated silica gel adsorption column.
The raw material comprises one or more of silicon tetrachloride, germanium tetrachloride, high purity oxygen, helium, chlorine and doping agent.
The dopant comprises one or more of boron tribromide and boron trichloride.
The skin layer solidification liquid in the step A comprises sulfuric acid, zinc sulfate, sodium sulfate and water, and the core layer solidification liquid comprises one or more of acetone aqueous solution, N-methylpyrrolidone aqueous solution, ethanol and butyl acetate.
The weather-resistant coating in the step E is dark resin.
The nascent fiber in the step A comprises one or more of carbon fiber, aramid fiber and glass fiber.
Example 2:
a preparation process of a high-weather-resistance wind power skin-core structure conductive optical fiber comprises the following steps:
step A: preparing a conductive fiber layer, namely uniformly combining molecules together through coprecipitation by using a co-solution precipitation coagulation method to obtain nascent fiber, putting the nascent fiber into skin layer coagulation liquid for impregnation, putting the nascent fiber into core layer coagulation liquid for impregnation after the impregnation is finished, and drafting to obtain the conductive fiber after the impregnation is finished;
and B: purifying the material, namely performing primary distillation on the raw material, selectively adsorbing the raw material after the primary distillation is finished, and performing secondary distillation on the raw material after the adsorption is finished to obtain a pure raw material;
and C: smelting raw materials, namely adding high-purity oxygen into the pure raw materials in the step B, bubbling to obtain reactant mixed gas, putting the conductive fibers into the middle of a quartz reaction tube, and delivering the reactant mixed gas into the quartz reaction tube, reacting the high-purity oxygen with the raw materials, depositing the reactant mixed gas on the inner wall of the quartz tube and the outer wall of the conductive fibers, depositing a cladding layer and a fiber core, depositing the cladding layer and the fiber core to form the quartz tube, heating one side of the quartz tube by using flame, spraying air to the other side of the quartz tube by using a cold nozzle for cooling, rotating the quartz tube by 180 degrees, and repeating the operation to obtain a preform;
step D: drawing, namely drawing the prefabricated rod in the step C through a high-temperature furnace, measuring the diameter of the drawn prefabricated rod, enabling the prefabricated rod meeting the requirement to enter a curing furnace for curing, and finishing the drawn fibril through a take-up pulley after curing is finished;
step E: d, plastic sheathing, namely sheathing the fibril stretched in the step D with nylon, coating weather-resistant paint on the outer wall of the nylon, and then attaching dark light-tight cloth-shaped material on the outer wall of the weather-resistant paint.
The selective adsorption of the raw materials in the step 1 is carried out by an activated alumina adsorption column and an activated silica gel adsorption column.
The raw material comprises one or more of silicon tetrachloride, germanium tetrachloride, high purity oxygen, helium, chlorine and doping agent.
The dopant comprises one or more of boron tribromide and boron trichloride.
The skin layer solidification liquid in the step A comprises sulfuric acid, zinc sulfate, sodium sulfate and water, and the core layer solidification liquid comprises one or more of acetone aqueous solution, N-methylpyrrolidone aqueous solution, ethanol and butyl acetate.
The weather-resistant coating in the step E is dark resin.
The nascent fiber in the step A comprises one or more of carbon fiber, aramid fiber and glass fiber.
Example 3:
a preparation process of a high-weather-resistance wind power skin-core structure conductive optical fiber comprises the following steps:
step A: preparing a conductive fiber layer, namely uniformly combining molecules together through coprecipitation by using a co-solution precipitation coagulation method to obtain nascent fiber, putting the nascent fiber into skin layer coagulation liquid for impregnation, putting the nascent fiber into core layer coagulation liquid for impregnation after the impregnation is finished, and drafting to obtain the conductive fiber after the impregnation is finished;
and B: purifying the material, namely performing primary distillation on the raw material, selectively adsorbing the raw material after the primary distillation is finished, and performing secondary distillation on the raw material after the adsorption is finished to obtain a pure raw material;
and C: smelting raw materials, namely adding high-purity oxygen into the pure raw materials in the step B, bubbling to obtain reactant mixed gas, putting the conductive fibers into the middle of a quartz reaction tube, and delivering the reactant mixed gas into the quartz reaction tube, reacting the high-purity oxygen with the raw materials, depositing the reactant mixed gas on the inner wall of the quartz tube and the outer wall of the conductive fibers, depositing a cladding layer and a fiber core, depositing the cladding layer and the fiber core to form the quartz tube, heating one side of the quartz tube by using flame, spraying air to the other side of the quartz tube by using a cold nozzle for cooling, rotating the quartz tube by 120 degrees, and repeating the operation to obtain a preform;
step D: drawing, namely drawing the prefabricated rod in the step C through a high-temperature furnace, measuring the diameter of the drawn prefabricated rod, enabling the prefabricated rod meeting the requirement to enter a curing furnace for curing, and finishing the drawn fibril through a take-up pulley after curing is finished;
step E: d, plastic sheathing, namely sheathing the fibril stretched in the step D with nylon, coating weather-resistant paint on the outer wall of the nylon, and then attaching dark light-tight cloth-shaped material on the outer wall of the weather-resistant paint.
The selective adsorption of the raw materials in the step 1 is carried out by an activated alumina adsorption column and an activated silica gel adsorption column.
The raw material comprises one or more of silicon tetrachloride, germanium tetrachloride, high purity oxygen, helium, chlorine and doping agent.
The dopant comprises one or more of boron tribromide and boron trichloride.
The skin layer solidification liquid in the step A comprises sulfuric acid, zinc sulfate, sodium sulfate and water, and the core layer solidification liquid comprises one or more of acetone aqueous solution, N-methylpyrrolidone aqueous solution, ethanol and butyl acetate.
The weather-resistant coating in the step E is dark resin.
The nascent fiber in the step A comprises one or more of carbon fiber, aramid fiber and glass fiber.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A preparation process of a skin-core structure conductive optical fiber for high weather resistance wind power is characterized by comprising the following steps of: the method comprises the following steps:
step A: preparing a conductive fiber layer, namely uniformly combining molecules together through coprecipitation by using a co-solution precipitation coagulation method to obtain nascent fiber, putting the nascent fiber into skin layer coagulation liquid for impregnation, putting the nascent fiber into core layer coagulation liquid for impregnation after the impregnation is finished, and drafting to obtain the conductive fiber after the impregnation is finished;
and B: purifying the material, namely performing primary distillation on the raw material, selectively adsorbing the raw material after the primary distillation is finished, and performing secondary distillation on the raw material after the adsorption is finished to obtain a pure raw material;
and C: smelting raw materials, namely adding high-purity oxygen into the pure raw materials in the step B for bubbling to obtain reactant mixed gas, putting the conductive fibers into the middle of a quartz reaction tube, and delivering the reactant mixed gas into the quartz reaction tube, reacting the high-purity oxygen with the raw materials, depositing the reactant mixed gas on the inner wall of the quartz tube and the outer wall of the conductive fibers, depositing a cladding layer and a fiber core, depositing the cladding layer and the fiber core to form the quartz tube, heating one side of the quartz tube by using flame, spraying air to the other side of the quartz tube by using a cold nozzle for cooling, rotating the quartz tube by 90-180 degrees, and repeating the operation to obtain a preform;
step D: drawing, namely drawing the prefabricated rod in the step C through a high-temperature furnace, measuring the diameter of the drawn prefabricated rod, enabling the prefabricated rod meeting the requirement to enter a curing furnace for curing, and finishing the drawn fibril through a take-up pulley after curing is finished;
step E: d, plastic sheathing, namely sheathing the fibril stretched in the step D with nylon, coating weather-resistant paint on the outer wall of the nylon, and then attaching dark light-tight cloth-shaped material on the outer wall of the weather-resistant paint.
2. The preparation process of the high-weather-resistance wind power skin-core structure conductive optical fiber according to claim 1, characterized in that: the selective adsorption of the raw materials in the step 1 is carried out by an activated alumina adsorption column and an activated silica gel adsorption column.
3. The preparation process of the high-weather-resistance wind power skin-core structure conductive optical fiber according to claim 1, characterized in that: the raw material comprises one or more of silicon tetrachloride, germanium tetrachloride, high purity oxygen, helium, chlorine and doping agent.
4. The preparation process of the high-weather-resistance wind power skin-core structure conductive optical fiber according to claim 3, characterized in that: the dopant comprises one or more of boron tribromide and boron trichloride.
5. The preparation process of the high-weather-resistance wind power skin-core structure conductive optical fiber according to claim 1, characterized in that: the skin layer solidification liquid in the step A comprises sulfuric acid, zinc sulfate, sodium sulfate and water, and the core layer solidification liquid comprises one or more of acetone aqueous solution, N-methylpyrrolidone aqueous solution, ethanol and butyl acetate.
6. The preparation process of the high-weather-resistance wind power skin-core structure conductive optical fiber according to claim 1, characterized in that: the weather-resistant coating in the step E is dark resin.
7. The preparation process of the high-weather-resistance wind power skin-core structure conductive optical fiber according to claim 1, characterized in that: the nascent fiber in the step A comprises one or more of carbon fiber, aramid fiber and glass fiber.
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| CN202110321795.6A CN113204071A (en) | 2021-03-25 | 2021-03-25 | Preparation process of high-weather-resistance sheath-core structure conductive optical fiber for wind power |
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| CN202110321795.6A CN113204071A (en) | 2021-03-25 | 2021-03-25 | Preparation process of high-weather-resistance sheath-core structure conductive optical fiber for wind power |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113652768A (en) * | 2021-08-25 | 2021-11-16 | 杭州惠丰化纤有限公司 | Polyester interlaced yarn and production process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1515304A (en) * | 1974-05-31 | 1978-06-21 | Nat Res Dev | Optical waveguides |
| JPS57186708A (en) * | 1981-05-13 | 1982-11-17 | Furukawa Electric Co Ltd:The | Frp optical cord |
| US20050053345A1 (en) * | 2003-07-14 | 2005-03-10 | Massachusetts Institute Of Technology | Optoelectronic fiber codrawn from conducting, semiconducting, and insulating materials |
| CN101339820A (en) * | 2008-08-19 | 2009-01-07 | 清华大学 | Light and electricity co-transmission fiber and manufacturing method thereof |
-
2021
- 2021-03-25 CN CN202110321795.6A patent/CN113204071A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1515304A (en) * | 1974-05-31 | 1978-06-21 | Nat Res Dev | Optical waveguides |
| JPS57186708A (en) * | 1981-05-13 | 1982-11-17 | Furukawa Electric Co Ltd:The | Frp optical cord |
| US20050053345A1 (en) * | 2003-07-14 | 2005-03-10 | Massachusetts Institute Of Technology | Optoelectronic fiber codrawn from conducting, semiconducting, and insulating materials |
| CN101339820A (en) * | 2008-08-19 | 2009-01-07 | 清华大学 | Light and electricity co-transmission fiber and manufacturing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113652768A (en) * | 2021-08-25 | 2021-11-16 | 杭州惠丰化纤有限公司 | Polyester interlaced yarn and production process thereof |
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Application publication date: 20210803 |