CN106918886B - A kind of Optical Cables for Shipboard and its preparation process - Google Patents
A kind of Optical Cables for Shipboard and its preparation process Download PDFInfo
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- CN106918886B CN106918886B CN201710261731.5A CN201710261731A CN106918886B CN 106918886 B CN106918886 B CN 106918886B CN 201710261731 A CN201710261731 A CN 201710261731A CN 106918886 B CN106918886 B CN 106918886B
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- oversheath
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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
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Insulated Conductors (AREA)
Abstract
A kind of Optical Cables for Shipboard and its preparation process, fiber unit is by optical fiber and is coated on the tight sleeve layer of outside of fiber and forms, and fills unit is gasket for packing, the cable core of fiber unit and fills unit composition optical cable；It is interior tensile layer outside cable core, it is inner sheath outside interior tensile layer that interior tensile layer, which includes several aramid yarns being placed in parallel, it is enhancement layer outside inner sheath, it is oversheath outside enhancement layer, and has outer tensile layer between enhancement layer and oversheath, outer tensile layer includes several aramid yarns being placed in parallel.Processing step includes successively making: 1) fiber unit, 2) fills unit, 3) cable core, 4) inner sheath, 5) filling of aramid yarn, 6) oversheath.The optical cable has the performances such as fire-retardant, resistance to side pressure, impact resistance, tension, electromagnetism interference, safety, long service life.Using resist bending single mode or multimode fibre, it can be laid in complicated, small space, naval vessel is suitble to use.
Description
Technical field
The present invention relates to optical fiber cable technical field, in particular to a kind of Optical Cables for Shipboard and its preparation process.
Background technique
Optical fiber has the excellent properties such as big, the light-weight, electromagnetism interference of capacity, and application of the optical fiber technology on naval vessel will have
There is very big advantage.In recent years, the specific gravity that China's shipping industry accounts for world's shipbuilding market share is gradually increasing, China at
For important one of the shipbuilding center in the whole world.Therefore, China is growing for the demand of Optical Cables for Shipboard.Due to empty inside naval vessel
Between it is narrow, environment is more complicated, more demanding to the pressure resistance of optical cable, impact resistance.
Summary of the invention
To overcome problems of the prior art, the present invention provides a kind of Optical Cables for Shipboard and its preparation processes, should
Optical cable has the performances such as fire-retardant, resistance to side pressure, impact resistance, tension, electromagnetism interference, safety, long service life.
The technical scheme adopted by the invention to solve the technical problem is that: this kind of Optical Cables for Shipboard, including fiber unit, fill out
Unit, interior tensile layer, inner sheath, enhancement layer, outer tensile layer and oversheath are filled, the fiber unit is by optical fiber and is coated on optical fiber
The tight sleeve layer of outside forms, and fills unit is gasket for packing, the cable core of fiber unit and fills unit composition optical cable；In being outside cable core
Tensile layer, interior tensile layer include several aramid yarns being placed in parallel, and are inner sheath outside interior tensile layer, are reinforcement outside inner sheath
Layer, enhancement layer is outside oversheath, and has outer tensile layer between enhancement layer and oversheath, and outer tensile layer includes several and is placed in parallel
Aramid yarn.
Further, the fiber unit has 1 to 4, and fills unit is 2 to 4.
Further, the tight sleeve layer outer diameter is Φ 0.9mm, with a thickness of 0.3mm.
Further, the gasket for packing is using solid cord made of nylon or polyurethane elastomer, gasket for packing diameter and tight
The outer diameter of jacket layer is identical.
Further, the cable core is crafted by the way that fiber unit and fills unit spiral are twisted.
Further, it is spaced between the interior tensile layer and each aramid yarn of outer tensile layer and uniformly places.
Further, the enhancement layer is metal hose.
Further, the oversheath is made of polyurethane elastomer.
A kind of preparation process of Optical Cables for Shipboard, which comprises the following steps:
1) it is 0.3mm tight sleeve layer that fiber unit, which wraps up a layer thickness in outside of fiber by extruding machine, and tight sleeve layer selection is
Nylon or polyurethane elastomer, outer diameter are Φ 0.9mm；
2) fills unit is extruded by nylon or polyurethane elastomer by extruding machine, which is Φ 0.9mm
Gasket for packing；
3) cable core is made of fiber unit and gasket for packing, and is prepared in such a way that spiral is twisted, pitch be 400mm~
500mm；
4) Φ 0.5mm~Φ 1.0mm stainless steel steel wire is pressed into thickness 0.18mm~0.4mm, width by steel wire flatting mill
Degree is the metal tape of 0.75mm~1.8mm, which is prepared into helical metal hose by the automatic tuber of long ruler, and leads to
Back twist processing is crossed, the metal hose of various outer diameter is obtained, wherein gap is 0.1mm~0.5mm, and minimum outer diameter is Φ 1.2mm, most
Greatly Φ 7.0mm, metal hose carry out armouring protection to cable core；
5) aramid yarn is placed in two times to optical cable, first layer aramid yarn is placed in parallel outside cable core using pay off rack, the
Two layers of aramid yarn are placed in parallel in outside enhancement layer；
6) optical cable inner sheath and oversheath all use polyurethane elastomer material, by extruding machine successively twice to cable core into
Row inner sheath and oversheath extrude.
To sum up, the advantageous effects of the above technical solutions of the present invention are as follows:
1, it using resist bending single mode or multimode fibre, can be laid in complicated, small space；
2, reinforcement protection is carried out to cable core using flange-connection stainless steel metal flexible pipe, improves the lateral pressure resistant and shock resistance of optical cable；
3, make optical cable that there is good tensile property using aramid yarn, aramid yarn is placed in parallel in two times makes optical cable with good
Good rounding property；
4, cable core uses gasket for packing, improves the rounding property of optical cable, using spiral is twisted and suitable pitch, guarantee optical cable compared with
Small decaying；
5, optical cable has hypotoxicity, low halogen, low smoke, low acid gas, fire-retardant, extreme operating temperature and storage temperature.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure:
1 optical fiber, 2 gasket for packings, tensile layer, 4 inner sheaths, 5 enhancement layers, 6 outer tensile layers, 7 oversheaths, 8 tight sleeve layers in 3.
Specific embodiment
Feature and principle of the invention are described in detail below in conjunction with attached drawing, illustrated embodiment is only used for explaining this hair
It is bright, not limited the scope of protection of the present invention with this.
As shown in Figure 1, the invention include fiber unit, it is fills unit, interior tensile layer 3, inner sheath 4, enhancement layer 5, outer anti-
Draw layer 6 and oversheath 7.
Wherein fiber unit by 1 to 4 optical fiber 1 and is coated on the nylon tight sleeve layer 8 of outside of fiber and is composed.Filling is single
Member is gasket for packing 2, and gasket for packing is prepared using nylon or polyurethane elastomer (TPU), improves the roundness of optical cable core.Light
The cable core of cable is prepared in such a way that spiral is twisted by fiber unit and fills unit.It is interior tensile layer, interior tensile layer outside cable core
The aramid yarn being placed in parallel including several, and interior shield is carried out by polyurethane elastomer (TPU).It is spaced between each aramid yarn equal
Even placement guarantees that parallel arrangement is straightened in aramid yarn, to play drawing-resistant function.
It is inner sheath outside interior tensile layer, is enhancement layer outside inner sheath, enhancement layer carries out armouring to cable core using metal hose
Protection.It is oversheath outside enhancement layer, oversheath is made of polyurethane elastomer.And have outer tensile layer between enhancement layer and oversheath,
Outer tensile layer includes several aramid yarns being placed in parallel, and is spaced between each aramid yarn and uniformly places, it is flat to guarantee that aramid yarn is straightened
Row arrangement, to play drawing-resistant function.
Fiber unit has 1 to 4, and fills unit is 2 to 4.
Tight sleeve layer outer diameter is Φ 0.9mm, with a thickness of 0.3mm.
The gasket for packing is using solid cord made of nylon or polyurethane elastomer, the outer diameter of gasket for packing diameter and tight sleeve layer
It is identical.
Specific manufacturing process:
1, it is 0.3mm sheath that fiber unit, which wraps up a layer thickness in outside of fiber by extruding machine, prepares tight sleeve layer,
Based on nylon, polyurethane elastomer (TPU), outer diameter is Φ 0.9mm for sheath selection；
2, fills unit is extruded by nylon or polyurethane elastomer (TPU) by extruding machine, which is Φ
The purpose of 0.9mm gasket for packing, gasket for packing is the roundness in order to improve optical cable core；
3, cable core is made of the cable core of Unit four tight tube fiber and gasket for packing, and prepares in such a way that spiral is twisted, saves
Away from for 400mm~500mm；
4, Φ 0.5mm~Φ 1.0mm stainless steel steel wire is pressed into thickness 0.18mm~0.4mm, width by steel wire flatting mill
Degree is the metal tape of 0.75mm~1.8mm, which is prepared into helical metal hose by the automatic tuber of long ruler, and leads to
Back twist processing is crossed, the metal hose of various outer diameter is obtained, wherein gap is 0.1mm~0.5mm, and minimum outer diameter is Φ 1.2mm, most
Greatly Φ 7.0mm, metal hose carry out armouring protection to cable core；
5, it is the tensile property for improving optical cable, and guarantees the rounding property of optical cable, aramid yarn is placed in two times to optical cable, first
Layer aramid yarn is placed in parallel outside cable core using pay off rack, and second layer aramid yarn is placed in parallel in outside enhancement layer；
6, optical cable inner sheath and oversheath all use polyurethane elastomer (TPU) material, successively right twice by extruding machine
The interior shield of cable core progress is extruded with oversheath.
The optical cable has the performances such as fire-retardant, resistance to side pressure, impact resistance, tension, electromagnetism interference, safety, long service life.
This optical cable is that Optical Cables for Shipboard has good tension, resistance to compression, bending, torsion, impact property, long-term 500N pulling force
Lower additional attenuation≤0.05dB, remaining additional attenuation≤0.05, additional attenuation≤0.2dB under short-term 2500N pulling force, remnants are additional
Decaying≤0.2；Additional attenuation≤0.2dB under long-term 2000N pressure, remaining additional attenuation≤0.2dB, under short-term 6000N pressure
Additional attenuation≤0.2dB, remaining additional attenuation≤0.2dB；175N is loaded, ± 90 ° are bent 300 times, remaining additional attenuation≤
0.2dB；100N is loaded, ± 180 ° are reversed 300 times.Remaining additional attenuation≤0.2dB；Block stamp 450g, drop height 1m impact 30 times,
Remaining additional attenuation≤0.03dB；After each above-mentioned experimental test, sheath occurs without the visible cracking of eyesight.
Above-described embodiment is only the description that carries out to the preferred embodiment of the present invention, not to the scope of the present invention into
Row limits, without departing from the spirit of the design of the present invention, relevant technical staff in the field to various modifications of the invention and
It improves, should all expand in protection scope determined by claims of the present invention.
Claims (7)
1. a kind of Optical Cables for Shipboard, which is characterized in that including fiber unit, fills unit, interior tensile layer, inner sheath, enhancement layer,
Outer tensile layer and oversheath, the fiber unit is by optical fiber and is coated on the tight sleeve layer of outside of fiber and forms, and fills unit is to fill out
Fill rope, the cable core of fiber unit and fills unit composition optical cable；It is interior tensile layer outside cable core, interior tensile layer includes several parallel
The aramid yarn of placement is inner sheath outside interior tensile layer, is enhancement layer outside inner sheath, is oversheath outside enhancement layer, and enhancement layer with
There is outer tensile layer between oversheath, outer tensile layer includes several aramid yarns being placed in parallel；
The gasket for packing is using solid cord made of nylon or polyurethane elastomer, the outer diameter phase of gasket for packing diameter and tight sleeve layer
Together；
It is spaced between the interior tensile layer and each aramid yarn of outer tensile layer and uniformly places.
2. a kind of Optical Cables for Shipboard according to claim 1, which is characterized in that the fiber unit has 1 to 4, filling
Unit is 2 to 4.
3. a kind of Optical Cables for Shipboard according to claim 1, which is characterized in that the tight sleeve layer outer diameter is Φ 0.9mm, thick
Degree is 0.3mm.
4. a kind of Optical Cables for Shipboard according to claim 1, which is characterized in that the cable core passes through fiber unit and filling
Unit spiral is twisted to be crafted.
5. a kind of Optical Cables for Shipboard according to claim 1, which is characterized in that the enhancement layer is metal hose.
6. a kind of Optical Cables for Shipboard according to claim 1, which is characterized in that the oversheath is by elastic polyurethane system
At.
7. a kind of preparation process of Optical Cables for Shipboard, which comprises the following steps:
1) it is 0.3mm tight sleeve layer that fiber unit, which wraps up a layer thickness in outside of fiber by extruding machine, and tight sleeve layer selection is nylon
Or polyurethane elastomer, outer diameter are Φ 0.9mm；
2) fills unit is extruded by nylon or polyurethane elastomer by extruding machine, which is Φ 0.9mm filling
Rope；
3) cable core is made of fiber unit and gasket for packing, and is prepared in such a way that spiral is twisted, and pitch is 400mm~500mm；
4) Φ 0.5mm~Φ 1.0mm stainless steel steel wire by steel wire flatting mill is pressed into thickness 0.18mm~0.4mm, width is
The metal tape of 0.75mm~1.8mm, the metal tape are prepared into helical metal hose by the automatic tuber of long ruler, and by moving back
Torsion processing, obtains the metal hose of various outer diameter, and wherein gap is 0.1mm~0.5mm, and minimum outer diameter is Φ 1.2mm, is up to
Φ 7.0mm, metal hose carry out armouring protection to cable core；
5) aramid yarn is placed in two times to optical cable, first layer aramid yarn is placed in parallel outside cable core using pay off rack, the second layer
Aramid yarn is placed in parallel in outside enhancement layer；
6) optical cable inner sheath and oversheath all use polyurethane elastomer material, by extruding machine successively twice in cable core progress
Sheath and oversheath extrude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710261731.5A CN106918886B (en) | 2017-04-20 | 2017-04-20 | A kind of Optical Cables for Shipboard and its preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710261731.5A CN106918886B (en) | 2017-04-20 | 2017-04-20 | A kind of Optical Cables for Shipboard and its preparation process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106918886A CN106918886A (en) | 2017-07-04 |
| CN106918886B true CN106918886B (en) | 2019-10-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710261731.5A Active CN106918886B (en) | 2017-04-20 | 2017-04-20 | A kind of Optical Cables for Shipboard and its preparation process |
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| Country | Link |
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| CN (1) | CN106918886B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239942B (en) * | 2020-02-13 | 2021-04-16 | 杭州富通通信技术股份有限公司 | Optical cable |
| CN111190257A (en) * | 2020-02-28 | 2020-05-22 | 江苏中天科技股份有限公司 | Indoor and outdoor dual-purpose optical cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0410736A2 (en) * | 1989-07-28 | 1991-01-30 | BICC Public Limited Company | Electric cable installation |
| CN202189172U (en) * | 2010-12-29 | 2012-04-11 | 山东太平洋光缆有限公司 | Armored optical cable for field operations |
| CN202472088U (en) * | 2012-03-23 | 2012-10-03 | 安徽天龙电器线缆集团有限公司 | Control optical cable |
| CN104155732A (en) * | 2014-07-29 | 2014-11-19 | 中国电子科技集团公司第二十三研究所 | Bending-resistant and light-weight field optical cable and implementation method thereof |
| CN204065505U (en) * | 2014-08-15 | 2014-12-31 | 中国电子科技集团公司第二十三研究所 | A kind of flexible steel pipe armouring light ship optical cable |
| CN206773249U (en) * | 2017-04-20 | 2017-12-19 | 山东太平洋光纤光缆有限公司 | A kind of Optical Cables for Shipboard |
-
2017
- 2017-04-20 CN CN201710261731.5A patent/CN106918886B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0410736A2 (en) * | 1989-07-28 | 1991-01-30 | BICC Public Limited Company | Electric cable installation |
| CN202189172U (en) * | 2010-12-29 | 2012-04-11 | 山东太平洋光缆有限公司 | Armored optical cable for field operations |
| CN202472088U (en) * | 2012-03-23 | 2012-10-03 | 安徽天龙电器线缆集团有限公司 | Control optical cable |
| CN104155732A (en) * | 2014-07-29 | 2014-11-19 | 中国电子科技集团公司第二十三研究所 | Bending-resistant and light-weight field optical cable and implementation method thereof |
| CN204065505U (en) * | 2014-08-15 | 2014-12-31 | 中国电子科技集团公司第二十三研究所 | A kind of flexible steel pipe armouring light ship optical cable |
| CN206773249U (en) * | 2017-04-20 | 2017-12-19 | 山东太平洋光纤光缆有限公司 | A kind of Optical Cables for Shipboard |
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| Publication number | Publication date |
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| CN106918886A (en) | 2017-07-04 |
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