CN109212696A - Coal mine low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber and its manufacturing method - Google Patents
Coal mine low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber and its manufacturing method Download PDFInfo
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- CN109212696A CN109212696A CN201811325702.1A CN201811325702A CN109212696A CN 109212696 A CN109212696 A CN 109212696A CN 201811325702 A CN201811325702 A CN 201811325702A CN 109212696 A CN109212696 A CN 109212696A
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- optical fiber
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- temperature resistant
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- low smoke
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Classifications
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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
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- 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
- G02B6/4479—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
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4483—Injection or filling devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
This method is related to a kind of coal mine low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber and its manufacturing method, including cable core, cable core includes several optical fiber and the stiffener that cable core center is played a supporting role, Loose tube is extruded with outside optical fiber, the center-filled of optical fiber has petroleum jelly, cable cream is filled in cable core surrounding in cabling process, one layer of nylon sheath wire is extruded on the outside of cable core after stranding, is extruded with oversheath on the outside of nylon sheath wire.The configuration of the present invention is simple, it is compact to design, fiber unit is placed in Loose tube, fiber unit can be move freely in pine set, with the excellent mechanical property such as better tension, resistance to compression, bending resistance, anti-torsion, shock resistance, and being frequently bended in use process continuous core, do not influence to decay in cable, preparation method is simple, and step is easily operated.
Description
Technical field
The present invention relates to a kind of coal mine low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fibers and its manufacturing method, belong to cable
Manufacturing technology field.
Background technique
Coal mine cable, due to the special harsh environment used, security requirement is high, and performance level requires high.In mine
In well, the gas explosion as caused by cable discharge happens occasionally.Existing coal mine low smoke and zero halogen Plastic-sheathed Cable non-fiber unit rises
Less than temperature rise caused by monitoring cable fault, the operation conditions of corollary equipment can not be separately monitored.Conventional fiber unit is in 160-180
DEG C rubber steam vulcanization (cure) production process in, fiber unit easily melts, and it is serious to decay.The resistance to bend(ing) energy of conventional fiber unit
Difference, cable be frequently bended in use process easily broken core or decaying is serious.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies in the prior art, a kind of coal mine low smoke and zero halogen Plastic-sheathed Cable is provided
With high-temperature resistant optical fiber and its manufacturing method.
The present invention adopts the following technical scheme: a kind of coal mine low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber, including cable
Core, the cable core include several optical fiber and the stiffener that cable core center is played a supporting role, and are extruded with outside the optical fiber
Loose tube, the center-filled of the optical fiber have a petroleum jelly, fill cable cream in cable core surrounding in cabling process, after stranding outside cable core
Side is extruded with one layer of nylon sheath wire, is extruded with oversheath on the outside of the nylon sheath wire.
Further, layer twisted type cabling mode is used in the cabling process.
A kind of coal mine manufacturing method of low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber, includes the following steps:
(1)SiO2Preform smelting technology passes through evaporation as carrier gas using ultrapure oxygen or argon gas first
The saturated vapor SiCl that bottle will vaporize4With dopant CF2Cl2It is imported in quartzy armor hose through gas transport device；With 40~60
Rev/min revolving speed make its rotation, and with the outer wall of 1400~1600 DEG C of high temperature hydrogen and oxygen flame heated quartz armor hoses, in pipe
SiCl4And CF2Cl2Under high temperature action, oxidation reaction occurs, forms the compound SiO of dust-like2And SiF4, and it is deposited on stone
On the inner wall of English armor hose, the high-temperature region that all oxyhydrogen flames pass through can all form doped-glass SiO2-SiF4, during the deposition process,
Oxygen-hydrogen torch should be reciprocally moved by certain speed or so, the every movement of oxyhydrogen flame is primary, will be in the inner wall of quartzy armor hose
The SiO of upper deposition layer of transparent2-SiF4Glass film, it is constantly from left to right slowly mobile with a thickness of 8 μm~10 μm, then fastly
Speed returns to original place, carries out second and deposits, repeats above-mentioned deposition step, form SiO on the inner wall of quartzy armor hose2-SiF4
Glassy layer forms SiO2The inner cladding of preform；
(2) melting sandwich layer glass: POCl is taken3As dopant, method of smelting is identical as sedimentary inner envoloping layer, through 20~for 24 hours
Deposition, deposited on inner cladding and certain thickness mix germanium GeO2Glass, as the sandwich layer of prefabricated rods, sandwich layer is through 5~6h's
It deposits, depositing glass layers on quartzy foreskin inside pipe wall, increases heating armor hose temperature and reach 1800 DEG C, make armor hose higher
At a temperature of soften shrink, finally become a solid core fibres prefabricated rods；
(3) preform is put into heating furnace, and prevents the contact with air from forming OH radical ion and causes to decay,
The outer diameter that mold control optical fiber is not needed in drawing process, when prefabricated rods tip heat is to 2000 DEG C, the viscosity at barred body tip becomes
It is low, by itself weight it is gradually sagging attenuate into fiber, high-temperature heating furnace temperature and delivery speed are remained unchanged, by changing
Become the method for drawing speed of optical fiber to achieve the purpose that control fibre external diameters size, the primary coating of optical fiber is same in drawing process
Step carries out, and then so that curing of coatings is ultimately formed optical fiber using ultraviolet lighting；
(4) coloring of optical fiber is carried out using acrylic based ink, and acrylic based ink is heated to 40~65 DEG C, is then adopted
With UV ultraviolet lamp by acrylic based ink baking and curing；
(5) optical fiber after primary coating, coloring carries out secondary coating side, using loose set mode, i.e., in primary coating
Extruding the high temperature resistant poly terephthalic acid diol ester that a layer thickness is 0.6mm on optical fiber again is Loose tube, filled with resistance in Loose tube
High temperature blocks water petroleum jelly, and optical fiber can be move freely in Loose tube；
(6) multifiber is used into layer twisted type cabling, center is using fiberglass reinforced plastics stick as reinforcement when layer twists
Supporting element, after optical fiber combination unit and reinforcement supporting member combine stranding, the nylon that a layer thickness is 0.8mm is extruded after stranding and is protected
The oversheath that set and a layer thickness are 0.5mm, fiber unit can be move freely in nylon sheath wire.
Further, in the step (4) when optical fiber coloring use tinting machine, and in tinting machine acrylic based ink pressure
Power is 0.21~0.24MPa.
Further, doped-glass SiO in the step (1)2-SiF4With a thickness of 8~10 μm.
Further, Ar gas progress atmosphere protection is filled in the step (3) in heating furnace to adopt in wire drawing path
Make protective atmosphere with He, fills N2 in the applicator and curing oven in coating and solidification process, the purity of gas should all reach
99.99% or more, as long as the route that bare fibre is contacted in the duct, will be filled with N2 gas shielded.
Further, the environment temperature in the step (4) when coloring process is 15 DEG C~30 DEG C.
Further, in the step (5) include internal layer and outer layer, the internal layer be refractive index it is bigger than normal than quartz glass and
The lower polymer coating of elasticity modulus, coating layer thickness are 125~150 μm.
Further, use high-power CO2 laser as heating source in the step (3), heating source temperature is 2000
DEG C or more high temperature.
The configuration of the present invention is simple, compact to design, fiber unit is placed in Loose tube, and fiber unit can be free in pine set
Activity has the excellent mechanical properties such as better tension, resistance to compression, bending resistance, anti-torsion, shock resistance, and being frequently bended in cable
Continuous core in use process does not influence to decay, and preparation method is simple, and step is easily operated.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Appended drawing reference: optical fiber 1, petroleum jelly 2, Loose tube 3, stiffener 4, cable cream 5, nylon sheath wire 6, oversheath 7.
Specific embodiment
Below with reference to specific attached drawing, the invention will be further described.
A kind of coal mine low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber as shown in Figure 1:, including cable core, if cable core includes
The stiffener 4 that dry root optical fiber 1 and cable core center are played a supporting role, optical fiber 1 are extruded with Loose tube 3, the center of optical fiber 1 outside
Filled with petroleum jelly 2, cable cream 5 is filled in cable core surrounding in cabling process, is extruded with one layer of nylon shield after stranding on the outside of cable core
Set 6, the outside of nylon sheath wire 6 is extruded with oversheath 7.
A kind of manufacturing method of coal mine low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber: include the following steps:
(1)SiO2Preform smelting technology passes through evaporation as carrier gas using ultrapure oxygen or argon gas first
The saturated vapor SiCl that bottle will vaporize4With dopant CF2Cl2It is imported in quartzy armor hose through gas transport device；With 40~60
Rev/min revolving speed make its rotation, and with the outer wall of 1400~1600 DEG C of high temperature hydrogen and oxygen flame heated quartz armor hoses, in pipe
SiCl4And CF2Cl2Under high temperature action, oxidation reaction occurs, forms the compound SiO of dust-like2And SiF4, and it is deposited on stone
On the inner wall of English armor hose, the high-temperature region that all oxyhydrogen flames pass through can all form doped-glass SiO2-SiF4, during the deposition process,
Oxygen-hydrogen torch should be reciprocally moved by certain speed or so, the every movement of oxyhydrogen flame is primary, will be in the inner wall of quartzy armor hose
The SiO of upper deposition layer of transparent2-SiF4Glass film, it is constantly from left to right slowly mobile with a thickness of 8 μm~10 μm, then fastly
Speed returns to original place, carries out second and deposits, repeats above-mentioned deposition step, form SiO on the inner wall of quartzy armor hose2-SiF4
Glassy layer forms SiO2The inner cladding of preform, doped-glass SiO2-SiF4 with a thickness of 8~10 μm；
(2) melting sandwich layer glass: POCl is taken3As dopant, method of smelting is identical as sedimentary inner envoloping layer, through 20~for 24 hours
Deposition, deposited on inner cladding and certain thickness mix germanium GeO2Glass, as the sandwich layer of prefabricated rods, sandwich layer is through 5~6h's
It deposits, depositing glass layers on quartzy foreskin inside pipe wall, increases heating armor hose temperature and reach 1800 DEG C, make armor hose higher
At a temperature of soften shrink, finally become a solid core fibres prefabricated rods；
(3) preform is put into heating furnace, and prevents the contact with air from forming OH radical ion and causes to decay,
The outer diameter that mold control optical fiber is not needed in drawing process, when prefabricated rods tip heat is to 2000 DEG C, the viscosity at barred body tip becomes
It is low, by itself weight it is gradually sagging attenuate into fiber, high-temperature heating furnace temperature and delivery speed are remained unchanged, by changing
Become the method for drawing speed of optical fiber to achieve the purpose that control fibre external diameters size, the primary coating of optical fiber is same in drawing process
Step carries out, and then so that curing of coatings is ultimately formed optical fiber using ultraviolet lighting, and Ar gas is filled in heating furnace and carries out atmosphere protection,
In wire drawing path, protective atmosphere is made using He, fills N2, gas in the applicator and curing oven in coating and solidification process
Purity should all reach 99.99% or more, as long as the route that bare fibre is contacted in the duct, will be filled with N2 gas shielded,
Using high-power CO2 laser as heating source, heating source temperature is 2000 DEG C or more high temperature；
(4) coloring of optical fiber is carried out using acrylic based ink, and acrylic based ink is heated to 40~65 DEG C, is then adopted
With UV ultraviolet lamp by acrylic based ink baking and curing, when optical fiber coloring, uses tinting machine, and acrylic based ink in tinting machine
Pressure be 0.21~0.24MPa, colour process when environment temperature be 15 DEG C~30 DEG C；
(5) optical fiber after primary coating, coloring carries out secondary coating side, using loose set mode, i.e., in primary coating
Extruding the high temperature resistant poly terephthalic acid diol ester that a layer thickness is 0.6mm on optical fiber again is Loose tube, filled with resistance in Loose tube
High temperature blocks water petroleum jelly, and optical fiber can be move freely in Loose tube, including internal layer and outer layer, and the internal layer is refractive index than quartz
Glass is bigger than normal and the lower polymer coating of elasticity modulus, coating layer thickness are 125~150 μm；
(6) multifiber is used into layer twisted type cabling, center is using fiberglass reinforced plastics stick as reinforcement when layer twists
Supporting element, after optical fiber combination unit and reinforcement supporting member combine stranding, the nylon that a layer thickness is 0.8mm is extruded after stranding and is protected
The oversheath that set and a layer thickness are 0.5mm, fiber unit can be move freely in nylon sheath wire.
The optical fiber that the present invention is prepared is detected with conventional fiber, and the results are shown in Table 1.
As shown in Table 1, the fibre tensile strength and compression strength being prepared using the present invention have all obtained certain mention
It is high.
Claims (9)
1. a kind of coal mine low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber, it is characterized in that: including cable core, if the cable core includes
The stiffener (4) that dry root optical fiber (1) and cable core center are played a supporting role, the optical fiber (1) are extruded with Loose tube outside
(3), the center-filled of the optical fiber (1) has petroleum jelly (2), fills cable cream (5) in cable core surrounding in cabling process, after stranding
It is extruded with one layer of nylon shield (6) set on the outside of cable core, is extruded with oversheath (7) on the outside of the nylon sheath wire (6).
2. coal mine as described in claim 1 low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber, it is characterized in that: the stranding mistake
Layer twisted type cabling mode is used in journey.
3. a kind of manufacturing method of the coal mine described in claim 1 with low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber, feature
It is: includes the following steps:
(1) SiO2Preform smelting technology uses ultrapure oxygen or argon gas as carrier gas first, will by evaporative flask
The saturated vapor SiCl vaporized4With dopant CF2Cl2It is imported in quartzy armor hose through gas transport device；With 40~60 turns/
Point revolving speed make its rotation, and the SiCl with the outer wall of 1400~1600 DEG C of high temperature hydrogen and oxygen flame heated quartz armor hoses, in pipe4
And CF2Cl2Under high temperature action, oxidation reaction occurs, forms the compound SiO of dust-like2And SiF4, and it is deposited on quartzy packet
On the inner wall of leather hose, the high-temperature region that all oxyhydrogen flames pass through can all form doped-glass SiO2-SiF4, during the deposition process, should be by
Certain speed or so reciprocally moves oxygen-hydrogen torch, and the every movement of oxyhydrogen flame is primary, will sink on the inner wall of quartzy armor hose
The SiO of product layer of transparent2-SiF4Glass film, it is constantly from left to right slowly mobile with a thickness of 8 μm~10 μm, then quickly return
Original place is returned to, second is carried out and deposits, repeat above-mentioned deposition step, form SiO on the inner wall of quartzy armor hose2-SiF4Glass
Layer forms SiO2The inner cladding of preform；
(2) melting sandwich layer glass: POCl is taken3As dopant, method of smelting is identical as sedimentary inner envoloping layer, through 20~for 24 hours heavy
Product deposits on inner cladding and certain thickness mixes germanium GeO2Glass, as the sandwich layer of prefabricated rods, deposition of the sandwich layer through 5~6h,
Depositing glass layers on quartzy foreskin inside pipe wall increase heating armor hose temperature and reach 1800 DEG C, make armor hose in higher temperature
Lower softening is shunk, and a solid core fibres prefabricated rods are finally become；
(3) preform is put into heating furnace, and prevents the contact with air from forming OH radical ion and causes to decay, in wire drawing
The outer diameter of mold control optical fiber is not needed in technique, when prefabricated rods tip heat is to 2000 DEG C, the viscosity at barred body tip is leaned on
The weight of itself is gradually sagging to attenuate into fiber, high-temperature heating furnace temperature and delivery speed is remained unchanged, by changing light
The method of fine drawing speed come achieve the purpose that control fibre external diameters size, the same stepping in drawing process of the primary coating of optical fiber
Then row makes curing of coatings ultimately form optical fiber using ultraviolet lighting；
(4) coloring of optical fiber is carried out using acrylic based ink, and acrylic based ink is heated to 40~65 DEG C, then uses UV
Ultraviolet lamp is by acrylic based ink baking and curing；
(5) optical fiber after primary coating, coloring carries out secondary coating side, using loose set mode, i.e., in the optical fiber of primary coating
On to extrude the high temperature resistant poly terephthalic acid diol ester that a layer thickness is 0.6mm again be Loose tube, filled with high temperature resistant in Loose tube
Block water petroleum jelly, and optical fiber can be move freely in Loose tube；
(6) multifiber is used into layer twisted type cabling, center is using fiberglass reinforced plastics stick as reinforcement support when layer twists
Part, after optical fiber combination unit and reinforcement supporting member combine stranding, extruded after stranding nylon sheath wire that a layer thickness is 0.8mm and
A layer thickness is the oversheath of 0.5mm, and fiber unit can be move freely in nylon sheath wire.
4. the coal mine as claimed in claim 3 manufacturing method of low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber, it is characterized in that:
In the step (4) when optical fiber coloring use tinting machine, and in tinting machine acrylic based ink pressure be 0.21~
0.24MPa。
5. the coal mine as claimed in claim 3 manufacturing method of low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber, it is characterized in that:
Doped-glass SiO in the step (1)2-SiF4With a thickness of 8~10 μm.
6. the coal mine as claimed in claim 3 manufacturing method of low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber, it is characterized in that:
Ar gas progress atmosphere protection is filled in the step (3) in heating furnace, protective atmosphere is made using He in wire drawing path,
N is filled in applicator and curing oven in coating and solidification process2, the purity of gas should all reach 99.99% or more, in pipeline
The route that as long as bare fibre is contacted in will be filled with N2Gas shielded.
7. the coal mine as claimed in claim 3 manufacturing method of low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber, it is characterized in that:
Environment temperature in the step (4) when coloring process is 15 DEG C~30 DEG C.
8. the coal mine as claimed in claim 3 manufacturing method of low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber, it is characterized in that:
It include internal layer and outer layer in the step (5), the internal layer is that refractive index is bigger than normal than quartz glass and elasticity modulus is lower poly-
Object coating is closed, coating layer thickness is 125~150 μm.
9. the coal mine as claimed in claim 3 manufacturing method of low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber, it is characterized in that:
High-power CO is used in the step (3)2For laser as heating source, heating source temperature is 2000 DEG C or more high temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811325702.1A CN109212696A (en) | 2018-11-08 | 2018-11-08 | Coal mine low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811325702.1A CN109212696A (en) | 2018-11-08 | 2018-11-08 | Coal mine low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber and its manufacturing method |
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| Publication Number | Publication Date |
|---|---|
| CN109212696A true CN109212696A (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811325702.1A Pending CN109212696A (en) | 2018-11-08 | 2018-11-08 | Coal mine low smoke and zero halogen Plastic-sheathed Cable high-temperature resistant optical fiber and its manufacturing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333571A (en) * | 2019-07-01 | 2019-10-15 | 华中科技大学鄂州工业技术研究院 | Double negative cruvature antiresonance hollow-core fibers and preparation method thereof |
| CN114911016A (en) * | 2022-05-09 | 2022-08-16 | 杭州富通通信技术股份有限公司 | Wind-resistant optical cable |
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| CN108333668A (en) * | 2018-01-31 | 2018-07-27 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | A kind of radiation resistance high-low temperature resistant single mode optical fiber |
| CN108609844A (en) * | 2018-05-07 | 2018-10-02 | 芜湖博创新能源科技有限公司 | A kind of optic fibre manufacture process that loss is smaller |
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| CN2331979Y (en) * | 1998-04-30 | 1999-08-04 | 王福锦 | Anti-gunslinging type optical cable with sleeve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110333571A (en) * | 2019-07-01 | 2019-10-15 | 华中科技大学鄂州工业技术研究院 | Double negative cruvature antiresonance hollow-core fibers and preparation method thereof |
| CN114911016A (en) * | 2022-05-09 | 2022-08-16 | 杭州富通通信技术股份有限公司 | Wind-resistant optical cable |
| CN114911016B (en) * | 2022-05-09 | 2024-02-02 | 杭州富通通信技术股份有限公司 | Wind-resistant optical cable |
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