CN114325988B - Multi-core flame-retardant optical cable and manufacturing process thereof - Google Patents
Multi-core flame-retardant optical cable and manufacturing process thereof Download PDFInfo
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- CN114325988B CN114325988B CN202210086555.7A CN202210086555A CN114325988B CN 114325988 B CN114325988 B CN 114325988B CN 202210086555 A CN202210086555 A CN 202210086555A CN 114325988 B CN114325988 B CN 114325988B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 38
- 239000003063 flame retardant Substances 0.000 title claims abstract description 11
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 43
- 238000000576 coating method Methods 0.000 claims abstract description 43
- 239000011247 coating layer Substances 0.000 claims abstract description 23
- 239000010410 layer Substances 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 238000005253 cladding Methods 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims abstract description 4
- 239000013307 optical fiber Substances 0.000 claims description 16
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- -1 acrylic ester Chemical class 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 6
- 239000011787 zinc oxide Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention relates to a multi-core flame-retardant optical cable and a manufacturing process thereof. The optical cable comprises a sleeve layer, a coating layer, a cladding layer and a fiber core which are arranged from outside to inside, wherein the sleeve layer is formed by connecting and enclosing a plurality of concave transmission bodies, each transmission body is transparent solid, each transmission body is arranged in a manner of thickness at the two side edges of the middle part, a supporting framework is arranged on the inner surface of the sleeve layer and is connected with the outer surface of the coating layer, and an anti-ultraviolet coating is attached to the outer surface of the coating layer; the arrangement of the anti-ultraviolet coating can effectively absorb a large amount of ultraviolet rays, so that the anti-ultraviolet capability of the optical cable is improved; meanwhile, the arrangement of the jacket layer can prevent the ultraviolet-resistant coating on the outer surface from being corroded by rainwater, so that the service life of the optical cable is effectively prolonged.
Description
Technical Field
The invention belongs to the technical field of optical fibers, and particularly relates to a multi-core flame-retardant optical cable and a manufacturing process thereof.
Background
With the development of society, the life and work of modern human beings are increasingly dependent on electrification and intellectualization, but the application results of the society are not separated from the hardware erection of a modern information network, and the hardware erection of the information network is not separated from the erection and use of a communication cable.
As is well known, our present day communication cable has entered the fiber optic era to meet high speed and massive communication information transmission; meanwhile, the life and work of people in modern cities are mostly carried out in high-rise buildings, so that the problem of building optical cables in the high-rise buildings to meet the needs of people is also a necessary face. Based on the limitation of space on a building and the rapid expansion of information requirements, the conditions for building to meet cable erection in space are reduced, and for the scene, the traditional high-core-number optical cable has the defects of large outer diameter and heavy weight. In addition, due to the material problem of the traditional optical cable jacket, the cable jacket has inflammable property, threatens the fire safety of the buildings, and can easily help a fire source to form a flame path from bottom to top when a fire disaster occurs, and has the effect similar to a fire-guiding cable; meanwhile, when a fire disaster occurs, the existing fire-fighting means are mainly used for extinguishing the fire with water, and under the conditions that the surface of the optical cable is burnt and the inner core is exposed, the optical cable is affected in use by high-pressure impact, so that signal interruption and line damage are caused, the difficulty is caused for fire-fighting work, and the loss is additionally increased.
In addition, based on the complex external environment of multicore optical cable setting, still other circumstances that can cause the optical cable damage, current multicore optical cable often can cause whole most and whole multicore optical cable to be unable to use after being destroyed, and the loss is big.
Disclosure of Invention
The invention aims to solve the technical problem that the traditional optical cable can generate spontaneous combustion phenomenon under the irradiation of ultraviolet light for a long time, so that signals are interrupted or wires are damaged, and in order to improve the defects, the invention provides a multi-core flame-retardant optical cable and a manufacturing process thereof.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the utility model provides a multicore fire-retardant optical cable, includes cover layer, coating, covering and the fiber core that set up from outside to inside, the cover layer is enclosed by connecting a plurality of transmission bodies that are the spill and closes, and each transmission body is transparent solid, and each transmission body is middle thin both sides edge thickness setting, be provided with the braced frame on the cover in situ surface, braced frame is connected with the coating surface, it has the ultraviolet resistant coating to adhere to on the coating surface, the ultraviolet resistant coating is including following components, polyurethane 30-40 parts, nanometer titanium oxide 3-5 parts, nanometer zinc oxide 3-5 parts, acrylic ester 10-15 parts and solvent 10-15 parts.
A manufacturing process of a multi-core flame-retardant optical cable is characterized by comprising the following steps of: the method comprises the following steps:
the method comprises the steps that firstly, a natural-color optical fiber in a fiber core is colored to form a colored optical fiber, or an original natural-color optical fiber is adopted;
step two, wrapping a coating layer on the natural-color optical fiber or the colored optical fiber through an extruding machine, wherein the thickness is controlled to be 0.2-0.3mm;
step three, wrapping the coating layer on the outer surface of the coating layer through an extruding machine, wherein the thickness is controlled to be 0.3-0.4mm;
step four, preparing an anti-ultraviolet coating, namely mixing 30-40 parts of polyurethane, 3-5 parts of nano titanium oxide, 3-5 parts of nano zinc oxide, 10-15 parts of acrylic ester and 10-15 parts of solvent according to a proportion to form a solution, and fully stirring to prepare an anti-ultraviolet coating solution;
step five, coating an anti-ultraviolet coating solution on the outer surface of the coating layer, wherein the coating speed is 2100-2200m/min, and performing ultraviolet curing after coating is completed to obtain an optical cable coated with the anti-ultraviolet coating;
step six, processing the supporting framework by using a die;
and seventhly, inserting the optical cable coated with the anti-ultraviolet coating along the center of the supporting framework to obtain the final optical cable with the anti-ultraviolet coating.
Compared with the prior art, the invention has the beneficial effects that: 1. according to the optical cable, the sleeve layer is arranged, ultraviolet rays passing through the sleeve layer are diffused by utilizing the characteristic that the transmission body is thin in the middle and thick at the two side edges, so that irradiation light is prevented from being concentrated on one point under special industrial environment (light concentration condition), and spontaneous combustion of the optical cable is prevented; 2. the space between the jacket layer and the ultraviolet-resistant coating can not only improve the light divergence degree, but also increase the ventilation and heat dissipation capacity of the optical cable; 3. the arrangement of the anti-ultraviolet coating can effectively absorb a large amount of ultraviolet rays, so that the anti-ultraviolet capability of the optical cable is improved; 4. meanwhile, the arrangement of the jacket layer can prevent the ultraviolet-resistant coating on the outer surface from being corroded by rainwater, so that the service life of the optical cable is effectively prolonged.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1 set of layers, 101 transmission body, 102 supporting framework, 2 coating layers, 3 cladding layers, 4 fiber cores and 5 anti-ultraviolet coating layers.
Detailed Description
The technical scheme of the present application is further described below with reference to the accompanying drawings.
As shown in fig. 1, the multi-core flame-retardant optical cable comprises a sheath layer 1, a coating layer 2, a cladding layer 3 and a fiber core 4 which are arranged from outside to inside, wherein the sheath layer 1 is formed by connecting and enclosing a plurality of concave transmission bodies 101, each transmission body 101 is transparent solid, each transmission body is arranged in a thick manner on the two side edges of the middle part, a supporting framework 102 is arranged on the inner surface of the sheath layer 1, the supporting framework 102 is connected with the outer surface of the coating layer 2, an anti-ultraviolet coating 5 is attached to the outer surface of the coating layer 2, and the anti-ultraviolet coating 5 comprises the following components in parts by weight, 30-40 parts of polyurethane, 3-5 parts of nano titanium oxide, 3-5 parts of nano zinc oxide, 10-15 parts of acrylic ester and 10-15 parts of solvent.
A manufacturing process of a multi-core flame-retardant optical cable comprises the following steps:
the method comprises the steps that firstly, a natural-color optical fiber in a fiber core is colored to form a colored optical fiber, or an original natural-color optical fiber is adopted;
step two, wrapping a coating layer on the natural-color optical fiber or the colored optical fiber through an extruding machine, wherein the thickness is controlled to be 0.2-0.3mm;
step three, wrapping the coating layer on the outer surface of the coating layer through an extruding machine, wherein the thickness is controlled to be 0.3-0.4mm;
step four, preparing an anti-ultraviolet coating, namely mixing 30-40 parts of polyurethane, 3-5 parts of nano titanium oxide, 3-5 parts of nano zinc oxide, 10-15 parts of acrylic ester and 10-15 parts of solvent according to a proportion to form a solution, and fully stirring to prepare an anti-ultraviolet coating solution;
step five, coating an anti-ultraviolet coating solution on the outer surface of the coating layer, wherein the coating speed is 2100-2200m/min, and performing ultraviolet curing after coating is completed to obtain an optical cable coated with the anti-ultraviolet coating;
step six, processing the supporting framework by using a die;
and seventhly, inserting the optical cable coated with the anti-ultraviolet coating along the center of the supporting framework to obtain the final optical cable with the anti-ultraviolet coating.
The invention is not limited to the above embodiments, and based on the technical solution disclosed in the invention, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the invention.
Claims (2)
1. The utility model provides a multicore fire-retardant type optical cable which characterized in that: the ultraviolet-resistant coating comprises a sleeve layer, a coating layer, a cladding layer and a fiber core which are arranged from outside to inside, wherein the sleeve layer is formed by connecting and enclosing a plurality of concave transmission bodies, each transmission body is transparent solid, each transmission body is arranged in a manner of thin middle and thick at two side edges, a supporting framework is arranged on the inner surface of the sleeve layer and is connected with the outer surface of the coating layer, an ultraviolet-resistant coating is attached to the outer surface of the coating layer, and the ultraviolet-resistant coating comprises the following components in parts by weight, 30-40 parts of polyurethane, 3-5 parts of nano titanium oxide, 3-5 parts of nano zinc oxide, 10-15 parts of acrylic ester and 10-15 parts of solvent.
2. The process for manufacturing a multi-core flame retardant optical cable according to claim 1, wherein: the method comprises the following steps:
the method comprises the steps that firstly, a natural-color optical fiber in a fiber core is colored to form a colored optical fiber, or an original natural-color optical fiber is adopted;
step two, wrapping a coating layer on the natural-color optical fiber or the colored optical fiber through an extruding machine, wherein the thickness is controlled to be 0.2-0.3mm;
step three, wrapping the coating layer on the outer surface of the coating layer through an extruding machine, wherein the thickness is controlled to be 0.3-0.4mm;
step four, preparing an anti-ultraviolet coating, namely mixing 30-40 parts of polyurethane, 3-5 parts of nano titanium oxide, 3-5 parts of nano zinc oxide, 10-15 parts of acrylic ester and 10-15 parts of solvent according to a proportion to form a solution, and fully stirring to prepare an anti-ultraviolet coating solution;
step five, coating an anti-ultraviolet coating solution on the outer surface of the coating layer, wherein the coating speed is 2100-2200m/min, and performing ultraviolet curing after coating is completed to obtain an optical cable coated with the anti-ultraviolet coating;
step six, processing the supporting framework by using a die;
and seventhly, inserting the optical cable coated with the anti-ultraviolet coating along the center of the supporting framework to obtain the final optical cable with the anti-ultraviolet coating.
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CN202210086555.7A CN114325988B (en) | 2022-01-25 | 2022-01-25 | Multi-core flame-retardant optical cable and manufacturing process thereof |
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CN202210086555.7A CN114325988B (en) | 2022-01-25 | 2022-01-25 | Multi-core flame-retardant optical cable and manufacturing process thereof |
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CN114325988B true CN114325988B (en) | 2024-01-09 |
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CN114967013B (en) * | 2022-06-09 | 2023-04-11 | 滁州学院 | Communication optical cable manufacturing equipment |
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CN210690886U (en) * | 2019-07-22 | 2020-06-05 | 东营市泰德线缆有限公司 | Optical fiber logging cable |
CN210722553U (en) * | 2019-09-24 | 2020-06-09 | 深圳市英泰格瑞科技有限公司 | High-efficient heat dissipation cable |
CN211670022U (en) * | 2020-04-29 | 2020-10-13 | 浙江海岩电子电缆有限公司 | Combined cable |
CN211955930U (en) * | 2020-05-20 | 2020-11-17 | 杭州燕青科技有限公司 | Multimode shielding optical cable |
CN213070690U (en) * | 2020-08-21 | 2021-04-27 | 东莞市特旺通信科技有限公司 | Self-supporting water-absorbing light-emitting composite optical cable |
CN213752100U (en) * | 2020-12-21 | 2021-07-20 | 欧耐特线缆集团有限公司 | High-strength anti-stretching explosion-proof cable |
CN113793726A (en) * | 2021-09-27 | 2021-12-14 | 云南多宝电缆集团股份有限公司 | Single-core modified polypropylene insulation alternating current 27.5KV electrified railway power cable |
CN215375895U (en) * | 2021-08-09 | 2021-12-31 | 江苏泓博通讯科技有限公司 | Threaded optical cable reinforcing core |
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2022
- 2022-01-25 CN CN202210086555.7A patent/CN114325988B/en active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0722419U (en) * | 1993-10-01 | 1995-04-21 | 株式会社古河テクノマテリアル | Fireproof insulated cable |
CN206179553U (en) * | 2016-12-02 | 2017-05-17 | 福建南新电缆有限公司 | Heat radiating cable |
CN208818888U (en) * | 2018-10-29 | 2019-05-03 | 河北鑫鹏通信设备有限公司 | A kind of high temperature resistant radiation protection rasterization pipeline |
CN209388761U (en) * | 2019-03-26 | 2019-09-13 | 北京市天华伟业线缆有限公司 | Mineral insulated cable |
CN209728279U (en) * | 2019-05-31 | 2019-12-03 | 江苏华脉光电科技有限公司 | A kind of wind resistance power self-support cable |
CN210690886U (en) * | 2019-07-22 | 2020-06-05 | 东营市泰德线缆有限公司 | Optical fiber logging cable |
CN210722553U (en) * | 2019-09-24 | 2020-06-09 | 深圳市英泰格瑞科技有限公司 | High-efficient heat dissipation cable |
CN211670022U (en) * | 2020-04-29 | 2020-10-13 | 浙江海岩电子电缆有限公司 | Combined cable |
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CN213752100U (en) * | 2020-12-21 | 2021-07-20 | 欧耐特线缆集团有限公司 | High-strength anti-stretching explosion-proof cable |
CN215375895U (en) * | 2021-08-09 | 2021-12-31 | 江苏泓博通讯科技有限公司 | Threaded optical cable reinforcing core |
CN113793726A (en) * | 2021-09-27 | 2021-12-14 | 云南多宝电缆集团股份有限公司 | Single-core modified polypropylene insulation alternating current 27.5KV electrified railway power cable |
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