CN103699159B - A kind of ultraviolet light intensity of optical fiber automaton and control method thereof - Google Patents
A kind of ultraviolet light intensity of optical fiber automaton and control method thereof Download PDFInfo
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- CN103699159B CN103699159B CN201310692054.4A CN201310692054A CN103699159B CN 103699159 B CN103699159 B CN 103699159B CN 201310692054 A CN201310692054 A CN 201310692054A CN 103699159 B CN103699159 B CN 103699159B
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Abstract
One fiber-ultraviolet solidification intensity automaton of the present invention and control method thereof refer to a kind of in optical fiber production process, for automatically controlling the device of ultraviolet light polymerization intensity.Including ultraviolet ray intensity In-circiut tester, UV curing oven and industrial control computer；Ultraviolet ray intensity In-circiut tester includes ultraviolet ray intensity test probe and ultraviolet ray intensity test power supply, outside the quartzy central canal that wherein ultraviolet ray intensity test probe is arranged in UV curing oven, is installed by support；Ultraviolet ray intensity test power supply is connected with industrial control computer, ultraviolet ray intensity test probe；UV curing oven is provided with UV curing oven lamp box and curing oven power supply, and UV curing oven lamp box is built with quartz central canal, ultraviolet tube, gauze screen and reflector；Ultraviolet ray intensity test power supply is connected with industrial control computer, and industrial control computer is connected with curing oven power supply by control line.
Description
Technical field
One fiber-ultraviolet solidification intensity automaton of the present invention and control method thereof refer to a kind of at light
In fine production process, for automatically controlling the device of ultraviolet light polymerization intensity.
Background technology
Owing to optical fiber solidification intensity in drawing process has significantly impact to optical fiber property, typically lift at optical fiber
During be more prone on optical fiber property produce impact.Optical fiber curing intensity is too high, becomes fragile after causing optical fiber coating material solidification,
Easily stress cracks, and coloring operation in road fades after optical fiber；Optical fiber easily turns to be yellow affects the normal appearance of optical fiber；Instead
It, optical fiber curing low strength, the coat causing optical fiber is not sufficiently cured, and optical fiber is the most tacky, send out coloured silk, and appearance is at shot-light
Under present and similar have water ripples, affect normally using of optical fiber.The present invention is by test and controls to guarantee properties of product key
Technological parameter, it is achieved that efficient, the optical fiber production process of high-quality.
Summary of the invention
It is an object of the invention to for above-mentioned weak point, it is provided that a kind of fiber-ultraviolet solidification intensity automatically controls dress
Put and control method, have employed ultraviolet ray intensity In-circiut tester, carry out ultraviolet ray intensity and carry out with setting curing oven power
Contrast, thus accurately it is programmed in ultraviolet light (UV) the lamp power level during production line raising speed and reduction of speed.
One fiber-ultraviolet solidification intensity automaton of the present invention and control method thereof are to take techniques below side
Case realizes:
A kind of fiber-ultraviolet solidification intensity automaton includes ultraviolet ray intensity In-circiut tester, ultraviolet light polymerization
Stove and industrial control computer.
Ultraviolet ray intensity In-circiut tester includes ultraviolet ray intensity test probe and ultraviolet ray intensity test power supply, Qi Zhongzi
Outside the quartzy central canal that outer light intensity test probe is arranged in UV curing oven, installed by support, be used for standard
Really fix ultraviolet ray intensity test probe in ultra-violet lamp, the position of quartz central canal.Ultraviolet ray intensity test power supply and work
Industry controls computer, ultraviolet ray intensity test probe is connected, and ultraviolet ray intensity test power supply is that ultraviolet ray intensity test probe carries
For test power supply.UV curing oven is provided with UV curing oven lamp box and curing oven power supply, and UV curing oven lamp box is pacified
Be contained on support, optical fiber from top to down through UV curing oven lamp box, UV curing oven lamp box built with quartz central canal,
Ultraviolet tube, gauze screen and reflector, by ultraviolet tube emitting ultraviolet light, be reflected cover reflection and focus on quartz center
Pipe position, to greatest extent by ultraviolet light cover.
Ultraviolet ray intensity test power supply is connected with industrial control computer, and industrial control computer passes through control line and solidification
Stove power supply is connected.Industrial control computer controls the output of curing oven power supply, main by ultraviolet light exposure rate and reality
The corresponding relation of border setting power, sets the ultraviolet light exposure rate needed for friction speed, irradiates strong according to required ultraviolet light
Degree accurately adjusts setting power, and the ultraviolet ray intensity then surveyed feeds back to industrial control computer, according to setting and reality
Ultraviolet ray intensity difference is adjusted setting power, thus reaches optimized and automatically control.
Described ultraviolet ray intensity In-circiut tester uses the EIT UVICURE PLUS type that EIT company of the commercially available U.S. produces
Energy meter.
Described UV curing oven uses the VPS-6 type UV curing oven that Fusion company of the commercially available U.S. produces.
The control method of a kind of fiber-ultraviolet solidification intensity automaton is as follows, comprises the following steps:
1, using high-temperature smelting pot to carry out drawing optical fibers, temperature controls at 1800～2200 DEG C；
2, optical fiber from fiber drawing furnace out after, make annealing treatment through optical fiber annealing pipe, annealing temperature control 900～
1500 DEG C, the residual stress being possible to prevent optical fiber to cause due to quenching increases, and enters back into and carries out natural cooling under natural environment；
3, the optical fiber after natural cooling, enters back into tubular type cooling tube and quickly cools down, and optical fiber is from cooling tube end opening
Temperature out controls at 30～60 DEG C；
4, optical fiber cooled pipe cooling after, enter application system coated with resins coating, coating material be divided into interlayer coatings and
Outer layer coating, interlayer coatings modulus is relatively low, optical fiber of fitting after coating, improves the bending property of optical fiber, and outer layer coating modulus is higher,
After solidification harder, mainly improve the strength character of optical fiber, it is to avoid optical fiber is by extraneous mechanical damage.
5, after optical fiber coating, enter UV curing oven and carry out the solidification of coating.Optical fiber passes UV curing oven lamp box
In quartzy central canal, due in UV curing oven lamp box equipped with uviol lamp launch ultraviolet, ultraviolet is reflected cover not
Disconnected reflection, focuses on ultraviolet light quartz central canal position, is solidified by uv curing coating.
6, by installing ultraviolet ray intensity In-circiut tester, its test probe is arranged in the quartz in UV curing oven
Outside heart pipe, installed by support, be used for fixing ultraviolet ray intensity test probe exactly at ultra-violet lamp, quartz center
The position of pipe.Arranging curing oven output in industrial control computer, it is controlled program and is mainly irradiated by ultraviolet light strong
Degree and the corresponding relation of actual set power, set the ultraviolet light exposure rate needed for friction speed, according to required ultraviolet light
Exposure rate accurately adjusts setting power, and the ultraviolet ray intensity then surveyed feeds back to industrial control computer, according to set with
Actual ultraviolet ray intensity difference is adjusted setting power, thus reaches optimized and automatically control.
7, the optical fiber after overcuring uses take-up by optical fiber on fiber reel, completes to produce.
Owing to optical fiber solidification intensity in drawing process has significantly impact to optical fiber property, typically lift at optical fiber
During be more prone on optical fiber property produce impact.Optical fiber curing intensity is too high, becomes fragile after causing optical fiber coating material solidification,
Easily stress cracks, and coloring operation in road fades after optical fiber；Optical fiber easily turns to be yellow, and affects the normal appearance of optical fiber；Instead
It, optical fiber curing low strength, the coat causing optical fiber is not sufficiently cured, and optical fiber is the most tacky, send out coloured silk, and appearance is at shot-light
Under present and similar have water ripples, affect normally using of optical fiber.The technique ginseng that properties of product are crucial is guaranteed by test and control
Number, it is achieved that efficient, the optical fiber production process of high-quality.
One fiber-ultraviolet solidification intensity automaton of the present invention and control method advantage thereof:
1, optical fiber property is improved, especially in Up and down speeding, it is ensured that optical fiber, in whole production process, has stable
Solidification effect, improves the stability of optical fiber property, provides performance guarantee for later process coloring.
2, optical fiber is reduced owing to, in boosting velocity procedure of starting and in afterbody down speeding procedure, due to optical fiber overcuring, causing light
The fine loss that cannot normally use generation.
3, curing oven parts can be monitored by this device, such as the service life of the parts such as fluorescent tube, reflector, gauze screen,
Realize changing in time, it is ensured that solidification effect.
4, reduce the energy loss of curing oven, adjust power according to actual needs, reach the effect of energy-saving and emission-reduction.
The fiber-ultraviolet solidification intensity automaton beneficial effect of the present invention: fiber-ultraviolet solidification intensity is automatic
Control device, have employed ultraviolet ray intensity In-circiut tester, carry out ultraviolet ray intensity and contrast with setting curing oven power, from
And accurately it is programmed in the ultra-violet lamp power level during production line raising speed and reduction of speed.
Accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described:
Fig. 1 is a kind of fiber-ultraviolet solidification intensity automaton schematic diagram.
In figure: 1, optical fibre cooling tube, 2, optical fiber coating device, 3, ultraviolet ray intensity test probe, 4, quartz ampoule central canal, 5,
UV curing oven lamp box, 6, curing oven power supply, 7, industrial control computer, 8, ultraviolet ray intensity test power supply, 9, predispersed fiber
System rod, 10, fibre drawing furnace, 11, annealing furnace, 12, optical fiber.
Detailed description of the invention
Referring to the drawings 1, a kind of fiber-ultraviolet solidification intensity automaton include ultraviolet ray intensity In-circiut tester,
UV curing oven and industrial control computer 7.
Ultraviolet ray intensity In-circiut tester includes ultraviolet ray intensity test probe 3 and ultraviolet ray intensity test power supply 8, wherein
Outside the quartzy central canal 4 that ultraviolet ray intensity test probe 3 is arranged in UV curing oven, installed by support, use
Fix ultraviolet ray intensity test probe 3 exactly in ultra-violet lamp, the position of quartz central canal 4.Ultraviolet ray intensity test electricity
Source 8 is connected with industrial control computer 7, ultraviolet ray intensity test probe 3, and ultraviolet ray intensity test power supply 8 is ultraviolet ray intensity
Test probe 3 provides test power supply.UV curing oven is provided with UV curing oven lamp box 5 and curing oven power supply 6, ultraviolet light
Curing oven lamp box 5 is rack-mount, and optical fiber 12 is from top to down through UV curing oven lamp box 5, UV curing oven lamp box 5
Built with quartz central canal 4, ultraviolet tube, gauze screen and reflector, by ultraviolet tube emitting ultraviolet light, it is reflected cover
Reflection focuses on quartz central canal 4 position, to greatest extent by ultraviolet light cover.
Ultraviolet ray intensity test power supply is connected with industrial control computer, and industrial control computer passes through control line and solidification
Stove power supply is connected.Industrial control computer controls the output of curing oven power supply, main by ultraviolet light exposure rate and reality
The corresponding relation of border setting power, sets the ultraviolet light exposure rate needed for friction speed, irradiates strong according to required ultraviolet light
Degree accurately adjusts setting power, and the ultraviolet ray intensity then surveyed feeds back to system, according to setting and actual ultraviolet ray intensity
Difference is adjusted setting power, thus reaches optimized and automatically control.
Described ultraviolet ray intensity In-circiut tester uses the EIT UVICURE PLUS type that EIT company of the commercially available U.S. produces
Energy meter.
Described UV curing oven uses the VPS-6 type UV curing oven that Fusion company of the commercially available U.S. produces.
Outside the quartzy central canal 4 that the probe 3 of ultraviolet ray intensity tester is arranged in UV curing oven, quartz center
Pipe 4 is arranged in UV curing oven lamp box 5, and UV curing oven lamp box 5 one end is passed through air and cools down, and the other end is arranged
Go out.
Described UV curing oven lamp box 5 and curing oven power supply 6 use commercially available Fusion company of the U.S. to produce
VPS-6 type UV curing oven.
Described ultraviolet ray intensity In-circiut tester uses the EIT UVICURE PLUS type that EIT company of the commercially available U.S. produces
Energy meter.
A kind of control method of fiber-ultraviolet solidification intensity automaton, it is characterised in that: comprise the following steps:
1, preform 9 stretches into fibre drawing furnace 10 and carries out drawing optical fibers, and fiber drawing furnace temperature controls 1800～2200
℃；
2, optical fiber is annealed through annealing furnace 11 the most afterwards from fiber drawing furnace 10, carries out at cooling subsequently into optical fibre cooling tube 1
Reason, described optical fibre cooling tube 1 uses embedded water route, is passed through coolant cooling at cooling tube wall simultaneously, has splendid cooling effect
Really.
3, the optical fiber after natural cooling, enters back into tubular type cooling tube and quickly cools down, and optical fiber 12 is from cooling tube
Mouth temperature out controls at 30～60 DEG C；
4, after the cooling of optical fiber 12 cooled pipe, enter optical fiber coating device 2 and carry out the coating procedure of coating, in optical fiber coating device
Equipped with mould, optical fiber 12 can be carried out the coating of undercoating and outer coating paint.
Entering optical fiber coating device 2 coated with resins coating, coating material is divided into interlayer coatings and outer layer coating, interlayer coatings mould
Measure relatively low, optical fiber of fitting after coating, improve the bending property of optical fiber, outer layer coating modulus is higher, harder after solidification, mainly changes
The strength character of kind optical fiber, it is to avoid optical fiber is by extraneous mechanical damage.
5, after optical fiber coating, enter UV curing oven and carry out the solidification of coating.Optical fiber passes UV curing oven lamp box 5
In quartzy central canal 4, due in UV curing oven lamp box 5 equipped with uviol lamp launch ultraviolet, ultraviolet is reflected cover
Constantly reflection, focuses on ultraviolet light quartz central canal position, is solidified by uv curing coating.
6, by installing ultraviolet ray intensity In-circiut tester, its ultraviolet ray intensity test probe 3 is arranged on ultraviolet light polymerization
Outside quartzy central canal 4 in stove, installed by support, be used for fixing ultraviolet ray intensity test probe 3 at purple exactly
Outer light modulation, the position of quartz central canal.Arranging curing oven output in industrial control computer, its control program is mainly passed through
Ultraviolet light exposure rate and the corresponding relation of actual set power, set the ultraviolet light exposure rate needed for friction speed, according to
Required ultraviolet light exposure rate accurately adjusts setting power, and the ultraviolet ray intensity then surveyed feeds back to Industry Control and calculates
Machine, is adjusted setting power according to setting with actual ultraviolet ray intensity difference, thus reaches optimized and automatically control.
After optical fiber 12 coating, enter in UV curing oven lamp box 5 and solidify, equipped with stone in UV curing oven lamp box
English tube hub pipe 4, is cooled down by air in UV curing oven lamp box, and the outside of quartz central canal 4 is equipped with ultraviolet light intensity
Degree test probe 3, is transferred to the curing oven in industrial control computer industrial control computer 7 by ultraviolet ray intensity test result
Output power program contrasts with test result according to ultraviolet ray intensity needed for the corresponding drawing speed set, and adjusts solid
Change stove power, thus adjust ultra-violet lamp tube power, make the ultraviolet ray intensity of the actual solidification of optical fiber and the value phase one of setting
Cause, thus reach to adjust automatically according to drawing speed the purpose of ultraviolet ray intensity, it is ensured that in whole optical fiber production process, no matter rise
Reduction of speed all can reach appropriateness solidification, improves optical fiber property.The strength range of described ultraviolet light is 3～5J/cm2。
7, the optical fiber 12 after overcuring uses take-up by optical fiber on fiber reel, completes to produce.
Fiber-ultraviolet solidification intensity automaton of the present invention includes ultraviolet ray intensity In-circiut tester, UV-curing
Change stove and industrial control computer, main by adjustment optical fiber production process automatically solidifies ultraviolet ray intensity, it is ensured that optical fiber is solid
Change effect, reach to improve the purpose of optical fiber property.
Claims (2)
1. a ultraviolet light intensity of optical fiber automaton, it is characterised in that: include ultraviolet ray intensity In-circiut tester, ultraviolet
Photocuring stove and industrial control computer；
Ultraviolet ray intensity In-circiut tester includes ultraviolet ray intensity test probe and ultraviolet ray intensity test power supply, wherein ultraviolet light
Outside the quartzy central canal that strength test probe is arranged in UV curing oven, installed by support, be used for exactly
Fixing ultraviolet ray intensity test probe is in ultra-violet lamp, the position of quartz central canal；Ultraviolet ray intensity test power supply and industry control
Computer processed, ultraviolet ray intensity test probe are connected, and ultraviolet ray intensity test power supply provides for ultraviolet ray intensity test probe to be surveyed
Examination power supply；UV curing oven is provided with UV curing oven lamp box and curing oven power supply, and UV curing oven lamp box is arranged on
On support, optical fiber is from top to down through UV curing oven lamp box, and UV curing oven lamp box is built with quartz central canal, ultraviolet
Light lamp tube, gauze screen and reflector, by ultraviolet tube emitting ultraviolet light, be reflected cover reflection and focus on quartz central canal position
Put, to greatest extent by ultraviolet light cover；
Ultraviolet ray intensity test power supply is connected with industrial control computer, and industrial control computer is by control line and curing oven electricity
Source is connected, and industrial control computer controls the output of curing oven power supply, by ultraviolet light exposure rate and actual set merit
The corresponding relation of rate, sets the ultraviolet light exposure rate needed for friction speed, accurately adjusts according to required ultraviolet light exposure rate
Whole setting power, the ultraviolet light then surveyed irradiation intensity feedback is to industrial control computer, according to setting and actual ultraviolet
Photo-irradiation intensity difference is adjusted setting power, thus reaches optimized and automatically control.
2. the control method of a ultraviolet light intensity of optical fiber automaton, it is characterised in that: comprise the following steps:
1) using high-temperature smelting pot to carry out drawing optical fibers, temperature controls at 1800～2200 DEG C；
2) optical fiber from high-temperature smelting pot out after, make annealing treatment through optical fiber annealing pipe, annealing temperature controls 900～1500
DEG C, the residual stress being possible to prevent optical fiber to cause due to quenching increases, and enters back into and carries out natural cooling under natural environment；
3) optical fiber after natural cooling, enters back into tubular type cooling tube and quickly cools down, and optical fiber is from cooling tube end opening out
Temperature control at 30～60 DEG C；
4) optical fiber cooled pipe cooling after, enter application system coated with resins coating, coated with resins coating be divided into interlayer coatings and
Outer layer coating, interlayer coatings modulus is relatively low, optical fiber of fitting after coating, improves the bending property of optical fiber, and outer layer coating modulus is higher,
After solidification harder, mainly improve the strength character of optical fiber, it is to avoid optical fiber is by extraneous mechanical damage；
5) after optical fiber coating, entering UV curing oven and carry out the solidification of cold coating, optical fiber passes UV curing oven lamp box
In quartzy central canal, due in UV curing oven lamp box equipped with ultra-violet lamp launch ultraviolet, ultraviolet is reflected cover
Constantly reflection, focuses on ultraviolet light quartz central canal position, is solidified by cold coating；
6) by installing ultraviolet ray intensity In-circiut tester, its ultraviolet ray intensity test probe is arranged in UV curing oven
Outside quartz central canal, installed by support, be used for fixing ultraviolet ray intensity test probe at ultra-violet lamp, stone exactly
The position of English central canal, arranges curing oven output in industrial control computer, it is controlled program and is irradiated by ultraviolet light strong
Degree and the corresponding relation of actual set power, set the ultraviolet light exposure rate needed for friction speed, according to required ultraviolet light
Exposure rate accurately adjusts setting power, and the ultraviolet light irradiation intensity feedback then surveyed is to industrial control computer, according to setting
Fixed with actual ultraviolet light irradiates strength difference and is adjusted setting power, thus reaches optimized and automatically control；
7) optical fiber after overcuring uses take-up by optical fiber on fiber reel, completes to produce.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108919415A (en) * | 2018-07-19 | 2018-11-30 | 江苏南方光纤科技有限公司 | A kind of low-loss single-mode optical fiber and its drawing process |
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| CN105060739B (en) * | 2015-07-31 | 2018-06-12 | 长飞光纤光缆股份有限公司 | A kind of adjustable fibre coating ultraviolet curing equipment of light intensity |
| CN105884212B (en) * | 2016-06-03 | 2018-03-16 | 中天科技光纤有限公司 | A kind of energy-saving long-life UV curing oven and its control method |
| CN115190872B (en) * | 2020-02-26 | 2024-03-15 | 住友电气工业株式会社 | Optical fiber manufacturing method and optical fiber manufacturing apparatus |
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Effective date of registration: 20190424 Address after: 226009 No. 6 Tiantian Road, Nantong Development Zone, Nantong City, Jiangsu Province Co-patentee after: Zhongtian Science and Technology Co., Ltd., Jiangsu Patentee after: Zhongtian Technologies Fiber Optics Co., Ltd. Address before: 226009 6 Zhongtian Road, Nantong economic and Technological Development Zone, Jiangsu Patentee before: Zhongtian Technologies Fiber Optics Co., Ltd. |