CN106483614B - A kind of high heat resistance type flexible optical cable and preparation method thereof - Google Patents
A kind of high heat resistance type flexible optical cable and preparation method thereof Download PDFInfo
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- CN106483614B CN106483614B CN201610910290.2A CN201610910290A CN106483614B CN 106483614 B CN106483614 B CN 106483614B CN 201610910290 A CN201610910290 A CN 201610910290A CN 106483614 B CN106483614 B CN 106483614B
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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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
-
- 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
- G02B6/4432—Protective covering with fibre reinforcements
-
- 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
- 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
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4486—Protective covering
Abstract
The invention discloses a kind of high heat resistance type flexible optical cables and preparation method thereof, the high heat resistance type flexible optical cable includes superficial layer, thermal protection enhancement layer, middle casing, shielded layer, inner cladding, six layers of core material, superficial layer has the methyl vinyl silicone rubber of fire retardant to be made by solidifying, thermal protection enhancement layer is woven using graphitized carbon fibre, middle casing is made of ENB ethylene propylene diene rubber, shielded layer is carbon film, inner cladding is titanium dioxide silicon substrate light, and core material is titanium dioxide silicon substrate glass of high refractive index；Titanium dioxide silicon substrate light includes 85-92 parts of silica, 2-3 parts of sulfur dioxide, 2-3 parts of carbon dioxide, 6-8 parts of boron oxide by molecular amounts；Titanium dioxide silicon substrate glass of high refractive index includes 85-92 parts of silica, 3-4 parts of phosphorus pentoxide, 8-10 parts of germanium oxide by molecular amounts.Insulating properties of the present invention is strong, shield effectiveness is good, minimum bending radius is small, high temperature resistant, anti-aging, long service life.
Description
Technical field
The present invention relates to optical element fields more particularly to a kind of high heat resistance type flexible optical cable and preparation method thereof.
Background technique
Optical cable (optical fiber cable) is manufactured to meet the performance specification of optics, machinery or environment,
It is using one or more optical fiber being placed in cladding sheath as transmission medium and the communication that can use individually or in groups
Cable-assembly.Optical cable is mainly to be made of optical fiber (glass fiber of thin such as hair) and plastic protective sleeve pipe and plastic peel,
Without the metals such as gold, silver, copper aluminium, general non-recovery value in optical cable.Optical cable is a certain number of optical fiber according to certain way group
The stranding heart is surrounded by sheath, some also cladding outer jackets, to realize a kind of communication line of optical signal transmission outside.That is: by optical fiber
The cable that (optical transmission carrier) is formed by certain technique.The basic structure of optical cable is usually by cable core, reinforcement steel wire, fills out
A few part compositions such as object and sheath are filled, there are also the components such as waterproof layer, buffer layer, insulated metal conducting wire according further to needing.
Summary of the invention
To solve drawbacks described above existing in the prior art, the present invention is intended to provide a kind of insulating properties is strong, shield effectiveness is good,
Minimum bending radius is small, high temperature resistant, anti-aging, high heat resistance type flexible optical cable with long service life and its manufacturing method.
To achieve the goals above, the invention adopts the following technical scheme: a kind of manufacturer of high heat resistance type flexible optical cable
Method, comprising the following steps:
1) preparation of inner cladding blank material
1. preparing the raw material of following number by molecular number meter: 85-92 parts of ocratation, 2-3 parts of sulfur hexafluoride, tetrafluoro
Change 2-3 parts of two carbon, 6-8 parts of boron oxide, high purity oxygen gas of the enough purity not less than 99.99% and appropriate standard deaeration agent；
2. preparing following equipment: being provided with the glass work lathe, oxyhydrogen flame generating device, flask, air shooter of quartz ampoule
Road, thermocouple and gaseous mass flowmeter；
3. in flask contain ocratation, sulfur hexafluoride, two carbon of tetrafluoride, boron oxide, using standard methods into
Row evaporation process obtains full conjunction steam；
4. the high purity oxygen gas 1. prepared using step is carrier gas, 3. full conjunction steam that mixing step obtains, by standard mode plus
Enter appropriate standard deaeration agent, the gas transmission pipeline by being provided with gas mass flow meter is delivered to the quartz ampoule of glass work lathe
Interior, quartz ampoule is rotated on glass work lathe with the revolving speed of 30r/min-40r/min；
5. lighting oxyhydrogen flame generating device, quartz ampoule is moved axially, makes oxyhydrogen flame generating device that can be evenly heated quartz ampoule
Thermocouple is fixed on heating region in the quartz ampoule above oxyhydrogen flame generating device, monitors the regional temperature by tube body；
6. adjusting the fire of oxyhydrogen flame generating device when being heated to 1400 DEG C -1600 DEG C by monitoring heating region temperature
Flame output, keeps temperature to stablize in 1400 DEG C of -1600 DEG C of sections；
7. obtaining required inner cladding blank material after the nature of glass deposits to 5-8mm in quartz ampoule；
2) preparation of core material blank material
1. preparing the raw material of following number by molecular number meter: 85-92 parts of ocratation, 3-4 parts of phosphorus oxychloride, tetrachloro
Germanium 8-10 parts of change, high purity oxygen gas of the enough purity not less than 99.99% and appropriate standard deaeration agent；
2. containing ocratation, phosphorus oxychloride, germanium tetrachloride in flask, place is evaporated using standard methods
Reason obtains full conjunction steam；
3. the high purity oxygen gas 1. prepared using step is carrier gas, 3. full conjunction steam that mixing step obtains, by standard mode plus
Enter appropriate standard deaeration agent, the gas transmission pipeline by being provided with gas mass flow meter is delivered to the quartz ampoule of glass work lathe
Interior, quartz ampoule is rotated on glass work lathe with the revolving speed of 30r/min-40r/min；
4. lighting oxyhydrogen flame generating device, quartz ampoule is moved axially, makes oxyhydrogen flame generating device that can be evenly heated quartz ampoule
Thermocouple is fixed on heating region in the quartz ampoule above oxyhydrogen flame generating device, monitors the regional temperature by tube body；
5. adjusting the fire of oxyhydrogen flame generating device when being heated to 1400 DEG C -1600 DEG C by monitoring heating region temperature
Flame output, keeps temperature to stablize in 1400 DEG C of -1600 DEG C of sections；
6. when the nature of glass deposits to median pore radius no more than 5mm in quartz ampoule, that is, core material blank material needed for obtaining；
3) preparation of solid glass bar stock
1. thermocouple is moved to above quartz ampoule corresponding outer surface vertical with oxyhydrogen flame generating device；
2. adjusting the flame output of oxyhydrogen flame generating device when quartzy tube wall is heated to 1800 DEG C -1900 DEG C, keep
Temperature is stablized in 1800 DEG C of -1900 DEG C of sections；
3. when nature of glass hot mastication is contracted to solid in quartz ampoule, that is, solid glass bar stock needed for obtaining；
4) preparation of optical fiber
1. the solid glass bar stock 3) obtained is drawn into fiber filament using conventional criteria mode；
2. coating one layer of carbon film by physical gas-phase deposite method in filament surface, this layer of carbon film is shielded layer；
3. required single mode or multimode fibre core is made in the fiber filament with shielded layer by standard method；
4. selecting ENB ethylene propylene diene rubber as raw material, it is solidificated in the fiber filament with shielded layer by standard method
Surface, this layer of ENB ethylene propylene diene rubber are required middle casing；
5) preparation of graphitized carbon fibre
1. ammonia, propane and acrylonitrile are synthesized polyacrylonitrile resin by standard method；
2. 1. polyacrylonitrile resin that step is obtained dissolves in the intermixture of polyethylene glycol oxide and pure water, the intermixture
The volume ratio of interior polyethylene glycol oxide and pure water is 2.5-3: 7, obtains spinning solution；
3. 2. spinning solution that step is obtained is sprayed into coagulating bath by the spray orifice pressurization of aperture 0.05mm-0.08mm,
Pressure limit is 1.5bar-2bar, and spray head and surface of coagulation bath distance are 10mm-15mm, obtains polyacrylonitrile fibril；
4. 3. polyacrylonitrile fibril that step is obtained is pre-oxidized by standard method, pre-oxidized fibers are obtained；
5. 4. pre-oxidized fibers that step is obtained carry out charing process, the charing process is divided into preceding charing process with after
Charing process, 750 DEG C -800 DEG C of preceding charing process temperature handle time 5min-10min, 1500 DEG C of rear charing process temperature -
1600 DEG C, processing time 5min-8min obtains carbon fiber；
6. 5. carbon fiber that step is obtained sets carry out graphitization processing, i.e., it is placed in 2400 DEG C of -2500 DEG C of rings
Under border, 8s-12s is kept the temperature；
7. receiving silk, graphitized carbon fibre needed for obtaining；
6) preparation of optical cable
1. selecting the graphitized carbon fibre 5) obtained to be woven into net cover is sleeved on middle casing surface, which adds for thermal protection
Strong layer；
2. encapsulating material selection in surface layer solidifies the methyl vinyl silicone rubber for having 5-8wt% flame retardant of magnesium hydroxide, solidify
Method is that 3-5wt% magnesium hydroxide is directly added into its raw material when preparing Methylethyl type silicon rubber by standard method
Powder is simultaneously uniformly mixed with other raw material, due to the raw material of Methylethyl type silicon rubber have during the preparation process it is certain
Scaling loss, the content of flame retardant of magnesium hydroxide is up to 5-8wt% in the finished product methyl vinyl silicone rubber finally obtained；By the material
It is solidificated in thermal protection in the standard fashion and reinforces layer surface, form superficial layer, that is, high heat resistance type flexible optical cable needed for obtaining.
The high heat resistance type flexible optical cable produced according to the above method, including superficial layer, thermal protection enhancement layer, middle layer set
Pipe, shielded layer, inner cladding, six layers of core material, wherein superficial layer has the methyl ethylene of 5-8wt% flame retardant of magnesium hydroxide by solidifying
Silicon rubber is made, and thermal protection enhancement layer is woven using graphitized carbon fibre, and middle casing is ENB ethylene propylene diene rubber system
At shielded layer is carbon film, and inner cladding is titanium dioxide silicon substrate light, and core material is titanium dioxide silicon substrate glass of high refractive index；
Wherein titanium dioxide silicon substrate light includes 85-92 parts of silica, 2-3 parts of sulfur dioxide, titanium dioxide by molecular amounts
2-3 parts of carbon, 6-8 parts of boron oxide；Titanium dioxide silicon substrate glass of high refractive index includes 85-92 parts of silica, five oxygen by molecular amounts
Change 3-4 parts of two phosphorus, 8-10 parts of germanium oxide.
Compared with prior art, the invention has the following advantages that additionally being had cured when skin-material is selected suitable
Flame retardant of magnesium hydroxide, magnesium hydroxide are a kind of nontoxic fire retardants of New-type halide-free, are released when by being thermally decomposed in conjunction with water, being inhaled
Receive a large amount of latent heat, to reduce the surface temperature of synthetic material that it is filled in flame, have inhibit polymer decompose and
Cooling effect is carried out to generated fuel gas, hence it is evident that improve high temperature resistance of the invention；ENB ethylene propylene diene rubber
Also there is extraordinary anti-aging property resistant to high temperature, for conventional epoxy resin, ENB ethylene propylene diene rubber is more
It is soft, flexible, also there is certain intensity, so that optical fiber is less pliable；Graphitized fibre has high-intensitive high-flexibility,
Or optimal optical signal shielding material；The present invention additionally uses specific MCVD methods for optical fiber manufacture, and MCVD is a kind of routine
High quality optical fiber production method, the present invention improves the glass composition of core material and inner cladding on its basis, compared to routine
Formula, in oxide it is more, more complicated so that the refractive index of core material is higher, the index of refraction of inner cladding is lower, also make to be made
Glass fibre be provided with higher flexibility, can be bent without giving birth to stubble or fracture, together with smaller bending radius
When it is stronger to the tolerance of high temperature, be also less susceptible to the interference of external light source or other signals, signal transmission quality is more steady
It is fixed；Carbon is shielding material best in known conventional optical fiber shielding material, and the present invention is obtained using the method for physical vapour deposition (PVD)
Carbon film and basal body binding force by force, shield effectiveness also finer and close compared to conventional carbon film, bright and clean therefore of the invention it is also same
Sample is outstanding.
Specific embodiment
Embodiment 1:
A kind of high heat resistance type flexible optical cable, including superficial layer, thermal protection enhancement layer, middle casing, shielded layer, inner cladding,
Six layers of core material, wherein superficial layer has the methyl vinyl silicone rubber of 5-8wt% flame retardant of magnesium hydroxide to be made by solidifying, thermal protection
Enhancement layer is woven using graphitized carbon fibre, and middle casing is made of ENB ethylene propylene diene rubber, and shielded layer is carbon film, interior
Covering is titanium dioxide silicon substrate light, and core material is titanium dioxide silicon substrate glass of high refractive index；The wherein low folding of titanium dioxide silicon substrate
It includes 85-92 parts of silica, 2-3 parts of sulfur dioxide, 2-3 parts of carbon dioxide, boron oxide 6-8 that rate glass, which is penetrated, by molecular amounts
Part；Titanium dioxide silicon substrate glass of high refractive index includes 85-92 parts of silica, 3-4 parts of phosphorus pentoxide, germanium oxide by molecular amounts
8-10 parts.
The manufacturing method of above-mentioned high heat resistance type flexible optical cable, comprising the following steps:
1) preparation of inner cladding blank material
1. preparing the raw material of following number by molecular number meter: 85-92 parts of ocratation, 2-3 parts of sulfur hexafluoride, tetrafluoro
Change 2-3 parts of two carbon, 6-8 parts of boron oxide, high purity oxygen gas of the enough purity not less than 99.99% and appropriate standard deaeration agent；
2. preparing following equipment: being provided with the glass work lathe, oxyhydrogen flame generating device, flask, air shooter of quartz ampoule
Road, thermocouple and gaseous mass flowmeter；
3. in flask contain ocratation, sulfur hexafluoride, two carbon of tetrafluoride, boron oxide, using standard methods into
Row evaporation process obtains full conjunction steam；
4. the high purity oxygen gas 1. prepared using step is carrier gas, 3. full conjunction steam that mixing step obtains, by standard mode plus
Enter appropriate standard deaeration agent, the gas transmission pipeline by being provided with gas mass flow meter is delivered to the quartz ampoule of glass work lathe
Interior, quartz ampoule is rotated on glass work lathe with the revolving speed of 30r/min-40r/min；
5. lighting oxyhydrogen flame generating device, quartz ampoule is moved axially, makes oxyhydrogen flame generating device that can be evenly heated quartz ampoule
Thermocouple is fixed on heating region in the quartz ampoule above oxyhydrogen flame generating device, monitors the regional temperature by tube body；
6. adjusting the fire of oxyhydrogen flame generating device when being heated to 1400 DEG C -1600 DEG C by monitoring heating region temperature
Flame output, keeps temperature to stablize in 1400 DEG C of -1600 DEG C of sections；
7. obtaining required inner cladding blank material after the nature of glass deposits to 5-8mm in quartz ampoule；
2) preparation of core material blank material
1. preparing the raw material of following number by molecular number meter: 85-92 parts of ocratation, 3-4 parts of phosphorus oxychloride, tetrachloro
Germanium 8-10 parts of change, high purity oxygen gas of the enough purity not less than 99.99% and appropriate standard deaeration agent；
2. containing ocratation, phosphorus oxychloride, germanium tetrachloride in flask, place is evaporated using standard methods
Reason obtains full conjunction steam；
3. the high purity oxygen gas 1. prepared using step is carrier gas, 3. full conjunction steam that mixing step obtains, by standard mode plus
Enter appropriate standard deaeration agent, the gas transmission pipeline by being provided with gas mass flow meter is delivered to the quartz ampoule of glass work lathe
Interior, quartz ampoule is rotated on glass work lathe with the revolving speed of 30r/min-40r/min；
4. lighting oxyhydrogen flame generating device, quartz ampoule is moved axially, makes oxyhydrogen flame generating device that can be evenly heated quartz ampoule
Thermocouple is fixed on heating region in the quartz ampoule above oxyhydrogen flame generating device, monitors the regional temperature by tube body；
5. adjusting the fire of oxyhydrogen flame generating device when being heated to 1400 DEG C -1600 DEG C by monitoring heating region temperature
Flame output, keeps temperature to stablize in 1400 DEG C of -1600 DEG C of sections；
6. when the nature of glass deposits to median pore radius no more than 5mm in quartz ampoule, that is, core material blank material needed for obtaining；
3) preparation of solid glass bar stock
1. thermocouple is moved to above quartz ampoule corresponding outer surface vertical with oxyhydrogen flame generating device；
2. adjusting the flame output of oxyhydrogen flame generating device when quartzy tube wall is heated to 1800 DEG C -1900 DEG C, keep
Temperature is stablized in 1800 DEG C of -1900 DEG C of sections；
3. when nature of glass hot mastication is contracted to solid in quartz ampoule, that is, solid glass bar stock needed for obtaining；
4) preparation of optical fiber
1. the solid glass bar stock 3) obtained is drawn into fiber filament using conventional criteria mode；
2. coating one layer of carbon film by physical gas-phase deposite method in filament surface, this layer of carbon film is shielded layer；
3. required single mode or multimode fibre core is made in the fiber filament with shielded layer by standard method；
4. selecting ENB ethylene propylene diene rubber as raw material, it is solidificated in the fiber filament with shielded layer by standard method
Surface, this layer of ENB ethylene propylene diene rubber are required middle casing；
5) preparation of graphitized carbon fibre
1. ammonia, propane and acrylonitrile are synthesized polyacrylonitrile resin by standard method；
2. 1. polyacrylonitrile resin that step is obtained dissolves in the intermixture of polyethylene glycol oxide and pure water, the intermixture
The volume ratio of interior polyethylene glycol oxide and pure water is 2.5-3: 7, obtains spinning solution；
3. 2. spinning solution that step is obtained is sprayed into coagulating bath by the spray orifice pressurization of aperture 0.05mm-0.08mm,
Pressure limit is 1.5bar-2bar, and spray head and surface of coagulation bath distance are 10mm-15mm, obtains polyacrylonitrile fibril；
4. 3. polyacrylonitrile fibril that step is obtained is pre-oxidized by standard method, pre-oxidized fibers are obtained；
5. 4. pre-oxidized fibers that step is obtained carry out charing process, the charing process is divided into preceding charing process with after
Charing process, 750 DEG C -800 DEG C of preceding charing process temperature handle time 5min-10min, 1500 DEG C of rear charing process temperature -
1600 DEG C, processing time 5min-8min obtains carbon fiber；
6. 5. carbon fiber that step is obtained sets carry out graphitization processing, i.e., it is placed in 2400 DEG C of -2500 DEG C of rings
Under border, 8s-12s is kept the temperature；
7. receiving silk, graphitized carbon fibre needed for obtaining；
6) preparation of optical cable
1. selecting the graphitized carbon fibre 5) obtained to be woven into net cover is sleeved on middle casing surface, which adds for thermal protection
Strong layer；
2. encapsulating material selection in surface layer solidifies the methyl vinyl silicone rubber for having 5-8wt% flame retardant of magnesium hydroxide, solidify
Method is that 3-5wt% magnesium hydroxide is directly added into its raw material when preparing Methylethyl type silicon rubber by standard method
Powder is simultaneously uniformly mixed with other raw material, due to the raw material of Methylethyl type silicon rubber have during the preparation process it is certain
Scaling loss, the content of flame retardant of magnesium hydroxide is up to 5-8wt% in the finished product methyl vinyl silicone rubber finally obtained；By the material
It is solidificated in thermal protection in the standard fashion and reinforces layer surface, form superficial layer, that is, high heat resistance type flexible optical cable needed for obtaining.
The foregoing description of the disclosed embodiments, only for can be realized professional and technical personnel in the field or use this
Invention.Various modifications to these embodiments will be readily apparent to those skilled in the art, institute herein
The General Principle of definition can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore,
The present invention will not be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty
The consistent widest scope of point.
Claims (2)
1. a kind of manufacturing method of high heat resistance type flexible optical cable, it is characterised in that the following steps are included:
1) preparation of inner cladding blank material
1. preparing the raw material of following number by molecular number meter: 85-92 parts of ocratation, 2-3 parts of sulfur hexafluoride, tetrafluoride two
2-3 parts of carbon, 6-8 parts of boron oxide, high purity oxygen gas of the enough purity not less than 99.99% and appropriate standard deaeration agent；
2. preparing following equipment: being provided with glass work lathe, oxyhydrogen flame generating device, flask, the gas transmission pipeline, heat of quartz ampoule
Galvanic couple and gaseous mass flowmeter；
3. containing ocratation, sulfur hexafluoride, two carbon of tetrafluoride, boron oxide in flask, steamed using standard methods
Hair processing obtains full conjunction steam；
4. the high purity oxygen gas 1. prepared using step is carrier gas, 3. full conjunction steam that mixing step obtains, it is added by standard mode suitable
Amount standard deaeration agent, the gas transmission pipeline by being provided with gas mass flow meter are delivered in the quartz ampoule of glass work lathe,
Quartz ampoule is rotated on glass work lathe with the revolving speed of 30r/min-40r/min；
5. lighting oxyhydrogen flame generating device, quartz ampoule is moved axially, makes oxyhydrogen flame generating device that can be evenly heated quartz ampoule tube body,
Thermocouple is fixed on heating region in the quartz ampoule above oxyhydrogen flame generating device, monitors the regional temperature；
6. by monitoring heating region temperature, the flame that oxyhydrogen flame generating device is adjusted when being heated to 1400 DEG C -1600 DEG C is defeated
Out, temperature is kept to stablize in 1400 DEG C of -1600 DEG C of sections；
7. obtaining required inner cladding blank material after the nature of glass deposits to 5-8mm in quartz ampoule；
2) preparation of core material blank material
1. preparing the raw material of following number by molecular number meter: 85-92 parts of ocratation, 3-4 parts of phosphorus oxychloride, germanium tetrachloride
8-10 parts, enough purity not less than 99.99% high purity oxygen gas and appropriate standard deaeration agent；
2. containing ocratation, phosphorus oxychloride, germanium tetrachloride in flask, it is evaporated processing using standard methods, is obtained
It must satisfy and close steam；
3. the high purity oxygen gas 1. prepared using step is carrier gas, 3. full conjunction steam that mixing step obtains, it is added by standard mode suitable
Amount standard deaeration agent, the gas transmission pipeline by being provided with gas mass flow meter are delivered in the quartz ampoule of glass work lathe,
Quartz ampoule is rotated on glass work lathe with the revolving speed of 30r/min-40r/min；
4. lighting oxyhydrogen flame generating device, quartz ampoule is moved axially, makes oxyhydrogen flame generating device that can be evenly heated quartz ampoule tube body,
Thermocouple is fixed on heating region in the quartz ampoule above oxyhydrogen flame generating device, monitors the regional temperature；
5. by monitoring heating region temperature, the flame that oxyhydrogen flame generating device is adjusted when being heated to 1400 DEG C -1600 DEG C is defeated
Out, temperature is kept to stablize in 1400 DEG C of -1600 DEG C of sections；
6. when the nature of glass deposits to median pore radius no more than 5mm in quartz ampoule, that is, core material blank material needed for obtaining；
3) preparation of solid glass bar stock
1. thermocouple is moved to above quartz ampoule corresponding outer surface vertical with oxyhydrogen flame generating device；
2. adjusting the flame output of oxyhydrogen flame generating device when quartzy tube wall is heated to 1800 DEG C -1900 DEG C, temperature is kept
Stablize in 1800 DEG C of -1900 DEG C of sections；
3. when nature of glass hot mastication is contracted to solid in quartz ampoule, that is, solid glass bar stock needed for obtaining；
4) preparation of optical fiber
1. the solid glass bar stock 3) obtained is drawn into fiber filament using conventional criteria mode；
2. coating one layer of carbon film by physical gas-phase deposite method in filament surface, this layer of carbon film is shielded layer；
3. required single mode or multimode fibre core is made in the fiber filament with shielded layer by standard method；
4. selecting ENB ethylene propylene diene rubber as raw material, it is solidificated in the filament surface with shielded layer by standard method,
This layer of ENB ethylene propylene diene rubber is required middle casing；
5) preparation of graphitized carbon fibre
1. ammonia, propane and acrylonitrile are synthesized polyacrylonitrile resin by standard method；
2. 1. polyacrylonitrile resin that step is obtained dissolves in the intermixture of polyethylene glycol oxide and pure water, the intermixture cohesion
The volume ratio of ethylene oxide and pure water is 2.5-3: 7, obtains spinning solution；
3. 2. spinning solution that step is obtained is sprayed into coagulating bath by the spray orifice pressurization of aperture 0.05mm-0.08mm, pressure
Range is 1.5bar-2bar, and spray head and surface of coagulation bath distance are 10mm-15mm, obtains polyacrylonitrile fibril；
4. 3. polyacrylonitrile fibril that step is obtained is pre-oxidized by standard method, pre-oxidized fibers are obtained；
5. 4. pre-oxidized fibers that step is obtained carry out charing process, the charing process is divided into preceding charing process and rear charing
Processing, 750 DEG C -800 DEG C of preceding charing process temperature handle time 5min-10min, 1500 DEG C -1600 of rear charing process temperature
DEG C, processing time 5min-8min obtains carbon fiber；
6. 5. carbon fiber that step is obtained sets carry out graphitization processing, i.e., it is placed under 2400 DEG C of -2500 DEG C of environment,
Keep the temperature 8s-12s；
7. receiving silk, graphitized carbon fibre needed for obtaining；
6) preparation of optical cable
1. selecting the graphitized carbon fibre 5) obtained to be woven into net cover is sleeved on middle casing surface, which is thermal protection reinforcement
Layer；
2. encapsulating material selection in surface layer solidifies the methyl vinyl silicone rubber for having 5-8wt% flame retardant of magnesium hydroxide, curing method
To be directly added into 3-5wt% magnesium hydroxide powder in its raw material when preparing Methylethyl type silicon rubber by standard method
And it is uniformly mixed with other raw material；The material is solidificated in thermal protection in the standard fashion and reinforces layer surface, forms superficial layer, i.e.,
High heat resistance type flexible optical cable needed for obtaining.
2. the high heat resistance type flexible optical cable produced method according to claim 1, it is characterised in that: the high heat resistance type is flexible
Optical cable includes superficial layer, thermal protection enhancement layer, middle casing, shielded layer, inner cladding, six layers of core material, and wherein superficial layer is by solidifying
There is the methyl vinyl silicone rubber of 5-8wt% flame retardant of magnesium hydroxide to be made, thermal protection enhancement layer is compiled using graphitized carbon fibre
It knits, middle casing is made of ENB ethylene propylene diene rubber, and shielded layer is carbon film, and inner cladding is titanium dioxide silicon substrate low-refraction
Glass, core material are titanium dioxide silicon substrate glass of high refractive index；Wherein titanium dioxide silicon substrate light includes two by molecular amounts
85-92 parts of silica, 2-3 parts of sulfur dioxide, 2-3 parts of carbon dioxide, 6-8 parts of boron oxide；Titanium dioxide silicon substrate glass of high refractive index
It include 85-92 parts of silica, 3-4 parts of phosphorus pentoxide, 8-1O parts of germanium oxide by molecular amounts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610910290.2A CN106483614B (en) | 2016-10-19 | 2016-10-19 | A kind of high heat resistance type flexible optical cable and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610910290.2A CN106483614B (en) | 2016-10-19 | 2016-10-19 | A kind of high heat resistance type flexible optical cable and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106483614A CN106483614A (en) | 2017-03-08 |
| CN106483614B true CN106483614B (en) | 2019-03-05 |
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| CN201610910290.2A Active CN106483614B (en) | 2016-10-19 | 2016-10-19 | A kind of high heat resistance type flexible optical cable and preparation method thereof |
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| CN107703591A (en) * | 2017-09-22 | 2018-02-16 | 宁波光极照明科技有限公司 | A kind of corrosion resistant type flexible optical cable and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01114813A (en) * | 1987-10-28 | 1989-05-08 | Fujikura Ltd | Fire resistant optical fiber cable |
| JPH07163671A (en) * | 1993-12-13 | 1995-06-27 | Furukawa Techno Material:Kk | Fireproof processing structure of combustible cable, and kit used therefor |
| CN102879877A (en) * | 2012-10-22 | 2013-01-16 | 晓健科技（大连）有限公司 | Carbon fiber optical cable |
| CN103064163A (en) * | 2013-01-18 | 2013-04-24 | 长飞光纤光缆有限公司 | Flame-retardant and fire-resistant optical cable |
| CN203689969U (en) * | 2013-12-11 | 2014-07-02 | 上海斯瑞科技有限公司 | Temperature-resistant and fire-resistant cable comprising carbon fiber composite tape |
| CN104880785A (en) * | 2015-04-17 | 2015-09-02 | 江苏南方通信科技有限公司 | Environment-friendly sheath optical cable of high polymer and high flame retardant property |
| CN205594205U (en) * | 2016-01-27 | 2016-09-21 | 宁波科曼光缆有限公司 | FRP pine cover layer stranded type optical cable |
-
2016
- 2016-10-19 CN CN201610910290.2A patent/CN106483614B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01114813A (en) * | 1987-10-28 | 1989-05-08 | Fujikura Ltd | Fire resistant optical fiber cable |
| JPH07163671A (en) * | 1993-12-13 | 1995-06-27 | Furukawa Techno Material:Kk | Fireproof processing structure of combustible cable, and kit used therefor |
| CN102879877A (en) * | 2012-10-22 | 2013-01-16 | 晓健科技（大连）有限公司 | Carbon fiber optical cable |
| CN103064163A (en) * | 2013-01-18 | 2013-04-24 | 长飞光纤光缆有限公司 | Flame-retardant and fire-resistant optical cable |
| CN203689969U (en) * | 2013-12-11 | 2014-07-02 | 上海斯瑞科技有限公司 | Temperature-resistant and fire-resistant cable comprising carbon fiber composite tape |
| CN104880785A (en) * | 2015-04-17 | 2015-09-02 | 江苏南方通信科技有限公司 | Environment-friendly sheath optical cable of high polymer and high flame retardant property |
| CN205594205U (en) * | 2016-01-27 | 2016-09-21 | 宁波科曼光缆有限公司 | FRP pine cover layer stranded type optical cable |
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Effective date of registration: 20190111 Address after: 225300 West Side of Xingye Road, Luotang Street, Jiangyan District, Taizhou City, Jiangsu Province Applicant after: Jiangsu Hua Mai Optoelectronic Technology Co., Ltd. Address before: 315000 017 Building 7-53-4, 128 Exhibition Road, Jiangdong District, Ningbo City, Zhejiang Province Applicant before: Ningbo Sanbo Electronic Technology Co., Ltd. |
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Effective date of registration: 20191028 Address after: 225300 West Side of Xingye Road, Luotang Street, Jiangyan District, Taizhou City, Jiangsu Province Co-patentee after: NANJING HUAMAI TECHNOLOGY CO., LTD. Patentee after: Jiangsu Hua Mai Optoelectronic Technology Co., Ltd. Address before: 225300 West Side of Xingye Road, Luotang Street, Jiangyan District, Taizhou City, Jiangsu Province Patentee before: Jiangsu Hua Mai Optoelectronic Technology Co., Ltd. |