CN105891983A - Indoor vertically-arranged optical cable and manufacturing method thereof - Google Patents
Indoor vertically-arranged optical cable and manufacturing method thereof Download PDFInfo
- Publication number
- CN105891983A CN105891983A CN201610466196.2A CN201610466196A CN105891983A CN 105891983 A CN105891983 A CN 105891983A CN 201610466196 A CN201610466196 A CN 201610466196A CN 105891983 A CN105891983 A CN 105891983A
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- China
- Prior art keywords
- light unit
- type light
- set type
- center
- optical cable
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—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
- G02B6/4479—Manufacturing methods of optical cables
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention provides an indoor vertically-arranged optical cable. The indoor vertically-arranged optical cable has a large core number, is easy to separate and occupies a small space, so that a wiring area is small, and the wiring is convenient and quick. The indoor vertically-arranged optical cable comprises a central suspension wire and N tightly casing type optical units, wherein N is a natural number larger than or equal to 2, the N tightly casing type optical units in a cross section state are annularly distributed on an outer annular surface of the central suspension wire, and an interval is reserved between the adjacent tightly casing type optical units; the N tightly casing type optical units are respectively arranged in parallel, and the outer wall of the central suspension wire is connected with the outer wall of each tightly casing type optical unit in a corresponding position through a corresponding connecting structure.
Description
Technical field
The present invention relates to the technical field of wiring optical cable, be specially a kind of indoor vertical wirings optical cable, this
The bright manufacture method additionally providing this wiring optical cable.
Background technology
The design of inside cable requires, under the principle ensureing signal transmission technology index in optical fiber, to fill
Point consider that engineering is anti-twist to optical cable under the conditions of ambient operating environment, anti-extrusion, shock resistance and tension
The mechanical property requirements stretched, and in view of at space applied environment electromagnetic field radiation to signal in a fiber
Transmission has hydrogen-oxygen strong (-OH) in interference effect and air interior edema vapour that directly invading of optical fiber is touched impact, not only
Need that there is construction and carry the comprehensive wiring of adaptation engineering discipline light, easy, and workmen is easy to operate
Feature；And under the mechanical mechanics property principle ensureing some strength, there is protection against the tide, fire-retardant and anti-
Electromagnetic field radiation performance.Existing indoor vertical wirings optical cable, its pattern is also varied, including bundle
Shape optical cable, branched cable, combination type optical distribution cable: pencil cable configuration, be shown in Fig. 1, and this kind of optical cable uses
The structure of tight tube fiber+aramid fiber reinforcement+sheath completes；Drop cable configurations, is shown in Fig. 2, and this kind of optical cable is adopted
The single subelement made with a tight tube fiber, carries out sheath after stranding is stranded again；Combination type distribution
Cable configuration, is shown in Fig. 3, the single subelement that this kind of optical cable uses many tight tube fibers to make, and twists through stranding
Sheath is carried out again after conjunction.
Different according to core number and splice termination mode, different structures, pencil optical cable (see Fig. 1) can be used
Structure general core number is below 24 cores, and branched cable (see Fig. 2) structure general core number is below 60 cores,
Combination type optical distribution cable (see Fig. 3) structure general core number is below 288 cores, and high fiber count cable is generally individually adopted
Using layer-twisted type structure, for fiber optic cable manufacture technique and uncomplicated, but the optical cable of layer-twisted type structure is outside it
Footpath is relatively big, takes up room, and manufacturing cost is higher, need to optical cable strip off to cable core be operated relatively when continuing
Tired lock.
Summary of the invention
For the problems referred to above, the invention provides a kind of indoor vertical wirings optical cable, it is possessing large core number
While, easily separated and take up room little so that floor space is little, it is convenient, fast to connect up in wiring.
A kind of indoor vertical wirings optical cable, it is characterised in that: it includes center messenger wire, N root tightly set type light
Unit, wherein N is the natural number more than or equal to 2, and under cross-sectional state, N root tightly set type light cell rings is distributed in institute
Stating and leave spacing between the outer ring surface of center messenger wire and adjacent tight set type light unit, N root tightly set type light unit divides
Not being arranged in parallel, the outer wall of described center messenger wire connects every of correspondence position by corresponding attachment structure
The outer wall of described tight set type light unit.
Its inner core being further characterized by described center messenger wire is FRP reinforcement, described FRP reinforcement
Outside be provided with the first restrictive coating；
Described tight set type light unit is specially that some tight tube fibers are stranded, is coated with after aramid yarn is filled
There is the structure of the second restrictive coating；
The diameter of section of described tight tube fiber is 0.4～0.5mm；
The outer wall of described first restrictive coating connects the second restrictive coating of corresponding position by sheath connecting structure
Correspondence position；
N=2, now under the state of cross section two tight set type light unit be respectively arranged the both sides in center messenger wire, three
In the same plane, the outer wall of two tight set type light unit passes through sheath connecting structure to the central point of person respectively
Connect the outer wall of the correspondence position of described center messenger wire.
A kind of manufacture method of indoor vertical wirings optical cable, it is characterised in that: pre-set sheath stranding mould
The core rod of tool, described core rod uses open grain structure to design, hole centered by the center of core rod, centre bore
Outer ring surface is placed with N number of placement cylindrical cavity, is connected by cell body between centre bore and each placement cylindrical cavity,
FRP reinforcement is placed in the center of centre bore, and tight set type light unit is respectively placed in the placement cylinder of correspondence
Intracavity, center messenger wire uses squash type design, and tight set type light unit uses pull-tube type design, strengthens at FRP
The outer ring surface of part forms the first restrictive coating, and concurrently forms sheath connecting structure so that center messenger wire, N root
Tight set type light unit is combined into entirety, and wherein N is the natural number more than or equal to 2.
It is further characterized by tightly overlapping optical fiber formation tight tube fiber, afterwards by some tight tube fibers
Stranded, after aramid yarn filling bag is covered with the second restrictive coating, form described tight set type light unit；Afterwards will
The tight set type light unit of respective amount, center messenger wire are positioned over stranding in sheath cabling mold.
After using the structure of the present invention, the outside of tight set type light unit is without being coated with outer protective sleeve so that whole
The overall dimensions of individual structure diminishes, and substantially reduces cable outer diameter, saves wiring space, reduces simultaneously
Manufacturing cost；And owing to the outer wall of described center messenger wire connects correspondence position by corresponding attachment structure
The outer wall of every described tight set type light unit, every tight set type light unit tears attachment structure can be individually
Connect up and continue so that light unit to each floor can individually be separated at the messenger wire of center, continues
Convenient, and due under cross-sectional state N root tightly set type light cell rings be distributed in the outer ring surface of described center messenger wire,
And leave spacing between adjacent tight set type light unit, abundant core number can be set according to distribution, and make
Aramid fiber reinforcement in light unit and center reinforcement can stress simultaneously, it is to avoid light list in layer-twisted type structure
Reinforcement in unit can not the situation of simultaneously stress, under the conditions of equal stretching resistance, novel structure design
In, the aramid yarn with drawing-resistant function can be used less, be substantially reduced production cost；To sum up, it is possessing greatly
While core number, easily separated and take up room little so that wiring floor space is little, wiring is convenient, fast
Prompt.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the specific embodiment one of the present invention；
Fig. 2 is the sectional view structural representation of the specific embodiment two of the present invention；
Fig. 3 is the structural representation of the core rod of the corresponding mould of the specific embodiment one of the present invention；
In figure, the reference name corresponding to each sequence number is as follows:
Center messenger wire 1, tight set type light unit 2, FRP reinforcement the 3, first restrictive coating 4, aramid yarn 5,
Two restrictive coatings 6, sheath connecting structure 7, centre bore 8, cylindrical cavity 9, cell body 10, tight tube fiber 11.
Detailed description of the invention
A kind of indoor vertical wirings optical cable, is shown in Fig. 1, Fig. 2: it includes center messenger wire 1, N root tightly set type
Light unit 2, wherein N is the natural number more than or equal to 2, and under cross-sectional state, N root tightly set type light unit 2 is annularly-distributed
Spacing is left, N root tightly set type light unit between the outer ring surface and adjacent tight set type light unit 2 of center messenger wire 1
2 are arranged in parallel respectively, and the outer wall of center messenger wire 1 connects every of correspondence position by corresponding attachment structure
The outer wall of tight set type light unit 2.
Center messenger wire 1 inner core is FRP reinforcement 3, and the outside of FRP reinforcement 3 is provided with the first restrictive coating 4；
Tight set type light unit 2 is specially that some tight tube fibers 11 are stranded, is coated with after aramid yarn 5 is filled
There is the structure of the second restrictive coating 6；
The diameter of section of tight tube fiber 4 is 0.4～0.5mm, it is ensured that the size of total is sufficiently small；
The outer wall of the first restrictive coating 4 connects the second restrictive coating 6 of corresponding position by sheath connecting structure 7
Correspondence position；
Specific embodiment one, when seeing Fig. 1: N=2, now under the state of cross section, two tight set type light unit 2 are respectively
Be arranged in the both sides of center messenger wire 1, three central point in the same plane, two tight set type light unit 2
Outer wall connected the outer wall of correspondence position of center messenger wire 1 respectively by sheath connecting structure 7.
Specific embodiment two, when seeing Fig. 2: N=4, now the lower four tight set type light unit 2 of cross section state are respectively
Be arranged in center messenger wire 1 the surrounding of outer ring surface.
The manufacture method of a kind of indoor vertical wirings optical cable: pre-set the core rod of sheath cabling mold, see
Fig. 3, core rod uses open grain structure design, and centered by the center of core rod hole 8, the outer ring surface row of centre bore
It is furnished with N number of placement cylindrical cavity 9, is connected by cell body 10 between centre bore 8 and each placement cylindrical cavity 9, will
FRP reinforcement 3 is placed in the center of centre bore 8, and tight set type light unit 2 is respectively placed in the placement circle of correspondence
In post chamber 9, center messenger wire 1 uses squash type to design, and tight set type light unit 2 uses pull-tube type to design, at FRP
The outer ring surface of reinforcement 3 forms the first restrictive coating 4, and concurrently forms sheath connecting structure 7 so that center is hung
Line 1, N root tightly set type light unit 2 is combined into entirety, and wherein N is the natural number more than or equal to 2.
In advance optical fiber is tightly overlapped formation tight tube fiber, afterwards by stranded, through aramid fiber for some tight tube fibers
Yarn filling bag forms tight set type light unit 2 after being covered with the second restrictive coating；Afterwards by the tight set type light of respective amount
Unit 2, FRP reinforcement 3 line are positioned over stranding in sheath cabling mold.
It has the beneficial effect that: lightweight, and easy construction is quick, and light unit is easily separated, greatly reduces
Construction period and construction cost, the development for access network provides a kind of brand-new solution；
Cable configuration design substantially reduces cable outer diameter, saves wiring space, reduces manufacture simultaneously
In cost, nonmetallic center reinforcement and the light unit that is placed in parallel aramid fiber reinforcement can stress simultaneously,
Avoid the unbalance stress phenomenon of layer-stranding cable, meeting identical laying under environment, designed by mechanics,
Can use expensive non-metallic fibers reinforcement material less, the promotion and application for product provide power-assisted, also
Cost basis has been established in the great development built for China FTTH；
In the structure of whole optical cable, light unit need not layer strand, is placed in parallel in around the reinforcement of center,
I.e. aramid fiber reinforcement in light unit and center reinforcement can stress simultaneously, it is to avoid light in layer-twisted type structure
Reinforcement in unit can not the situation of simultaneously stress, under the conditions of equal stretching resistance, novel structure sets
In meter, the aramid yarn with drawing-resistant function can be used less, be substantially reduced production cost.
By described above, make professional and technical personnel in the field be capable of or use the present invention.Herein
Defined General Principle can be implemented at other without departing from the spirit or scope of the present invention
Example realizes.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is intended to symbol
Close the widest scope consistent with principles disclosed herein and features of novelty.
Claims (7)
1. an indoor vertical wirings optical cable, it is characterised in that: it includes center messenger wire, N root tightly overlaps
Type light unit, wherein N is the natural number more than or equal to 2, N root tightly set type light unit under cross-sectional state
Spacing, N root tightly set type is left between the annularly-distributed outer ring surface in described center messenger wire and adjacent tight set type light unit
Light unit is arranged in parallel respectively, and the outer wall of described center messenger wire connects corresponding position by corresponding attachment structure
The outer wall of the described tight set type light unit of every put.
2. a kind of indoor vertical wirings optical cable as claimed in claim 1, it is characterised in that: described center
The inner core of messenger wire is FRP reinforcement, and the outside of described FRP reinforcement is provided with the first restrictive coating.
3. a kind of indoor vertical wirings optical cable as claimed in claim 1, it is characterised in that: described tight set
Type light unit is specially that some tight tube fibers are stranded, be coated with the second restrictive coating after aramid yarn is filled
Structure.
4. a kind of indoor vertical wirings optical cable as claimed in claim 3, it is characterised in that: described tight set
The diameter of section of optical fiber is 0.4～0.5mm.
5. a kind of indoor vertical wirings optical cable as claimed in claim 1, it is characterised in that: N=2, now
Under the state of cross section, two tight set type light unit are respectively arranged in the both sides of center messenger wire, the central point of three exists
In same plane, the outer wall of two tight set type light unit connects described center by sheath connecting structure respectively
The outer wall of the correspondence position of messenger wire.
6. the manufacture method of an indoor vertical wirings optical cable, it is characterised in that: pre-set sheath stranding
The core rod of mould, described core rod uses open grain structure design, hole centered by the center of core rod, centre bore
Outer ring surface be placed with N number of placement cylindrical cavity, between centre bore and each placement cylindrical cavity by cell body even
Connecing, FRP reinforcement is placed in the center of centre bore, tight set type light unit is respectively placed in putting of correspondence
Putting in cylindrical cavity, center messenger wire uses squash type design, and tight set type light unit uses pull-tube type design,
The outer ring surface of FRP reinforcement forms the first restrictive coating, and concurrently forms sheath connecting structure so that center is hung
Line, N root tightly set type light unit is combined into entirety, and wherein N is the natural number more than or equal to 2.
The manufacture method of a kind of indoor vertical wirings optical cable the most as claimed in claim 1, it is characterised in that:
Optical fiber is tightly overlapped formation tight tube fiber, afterwards by stranded, through aramid yarn filling bag for some tight tube fibers
Described tight set type light unit is formed after being covered with the second restrictive coating；Afterwards by the tight set type light unit of respective amount,
Center messenger wire is positioned over stranding in sheath cabling mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466196.2A CN105891983A (en) | 2016-06-24 | 2016-06-24 | Indoor vertically-arranged optical cable and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466196.2A CN105891983A (en) | 2016-06-24 | 2016-06-24 | Indoor vertically-arranged optical cable and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105891983A true CN105891983A (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610466196.2A Pending CN105891983A (en) | 2016-06-24 | 2016-06-24 | Indoor vertically-arranged optical cable and manufacturing method thereof |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561662A (en) * | 2017-10-24 | 2018-01-09 | 长飞光纤光缆股份有限公司 | A kind of dual-purpose optical cable of branching shape indoor and outdoor and manufacture method |
| CN108761676A (en) * | 2018-04-13 | 2018-11-06 | 扬州市兴龙塑料有限公司 | A kind of porous optical fiber communication tube |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101706604A (en) * | 2009-11-09 | 2010-05-12 | 王春鸿 | Easily branched cable |
| CN103852845A (en) * | 2014-03-26 | 2014-06-11 | 江苏亨通光电股份有限公司 | Special-shaped full-medium high-intensive-type introduced optical fiber and cable and manufacturing method thereof |
| CN206460197U (en) * | 2016-06-24 | 2017-09-01 | 江苏亨通光电股份有限公司 | A kind of indoor vertical wirings optical cable |
-
2016
- 2016-06-24 CN CN201610466196.2A patent/CN105891983A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101706604A (en) * | 2009-11-09 | 2010-05-12 | 王春鸿 | Easily branched cable |
| CN103852845A (en) * | 2014-03-26 | 2014-06-11 | 江苏亨通光电股份有限公司 | Special-shaped full-medium high-intensive-type introduced optical fiber and cable and manufacturing method thereof |
| CN206460197U (en) * | 2016-06-24 | 2017-09-01 | 江苏亨通光电股份有限公司 | A kind of indoor vertical wirings optical cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561662A (en) * | 2017-10-24 | 2018-01-09 | 长飞光纤光缆股份有限公司 | A kind of dual-purpose optical cable of branching shape indoor and outdoor and manufacture method |
| CN108761676A (en) * | 2018-04-13 | 2018-11-06 | 扬州市兴龙塑料有限公司 | A kind of porous optical fiber communication tube |
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| PB01 | Publication | ||
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Application publication date: 20160824 |