CN107065094B - A kind of access net and house wiring optical fiber cable - Google Patents
A kind of access net and house wiring optical fiber cable Download PDFInfo
- Publication number
- CN107065094B CN107065094B CN201710153639.7A CN201710153639A CN107065094B CN 107065094 B CN107065094 B CN 107065094B CN 201710153639 A CN201710153639 A CN 201710153639A CN 107065094 B CN107065094 B CN 107065094B
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- CN
- China
- Prior art keywords
- cable
- optical fiber
- house wiring
- access net
- fiber cable
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- 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
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
Abstract
The invention discloses a kind of access net and house wiring optical fiber cables, are related to communications optical cable technical field.It accesses net and house wiring optical fiber cable successively includes: oversheath from outside to inside；Aluminium strip is arranged along cable length direction；Waterstop is arranged along cable length direction；Reinforcing element, it is interior to be equipped with two tear ropes along the setting of cable length direction；Inner sheath；Cable core comprising at least one light unit and the enhanced non-metallic part for being wrapped in light unit periphery, light unit includes microbeam pipe and the multifiber in microbeam pipe, and fire-retardant water-blocking component is filled in microbeam pipe.Oversheath and aluminium strip of the present invention can be by the light strippings of tear rope, when accessing cross-connecting box or introducing indoor, it need to only retain to inner sheath, indoor and outdoor access and the use of house wiring can be met simultaneously, expand the scope of application of optical cable, the difficulty of construction and cost that optical cable is registered one's residence are reduced, the construction efficiency that optical cable is registered one's residence is greatly improved.
Description
The present invention relates to communications optical cable technical field, it is specifically related to a kind of access net and house wiring optical fiber cable.
Background technique
With the development of optical communication technique, the covering surface of fiber entering household constantly expands.In order to realize fiber entering household, often need
Different types of access net optical cable and house wiring class optical cable are connected, reason is conventional access net optical cable all
For outdoor or indoor and outdoor optical cable for connection, it is necessary to have good mechanical performances and wider use temperature range, so that often
The access net optical cable of rule is heavier.And house wiring class optical cable is only applicable to the laying needs of building cross-connecting box, vertical shaft and wire casing, it is right
Fire-retardant and environmental-protecting performance has very high requirement, but its mechanical and temperature performance is not as good as outdoor optical cable.Due to access net optical cable and
The structure of house wiring class optical cable and performance difference, cause cable manufactures type more and more, difficulty of construction is big and cumbersome, is not easy
Maintenance, optical cable construction and maintenance cost are high.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of access net and house wiring light
Cable can meet indoor and outdoor access and the use of house wiring simultaneously, expand the scope of application of optical cable, reduce what optical cable was registered one's residence
Difficulty of construction and cost greatly improve the construction efficiency that optical cable is registered one's residence.
The present invention provides a kind of access net and house wiring optical fiber cable, the access net and house wiring optical fiber cable from outside to inside according to
It is secondary to include:
Oversheath；
Aluminium strip is arranged along cable length direction；
Waterstop is arranged along cable length direction；
Reinforcing element, it is interior to be equipped with two tear ropes along the setting of cable length direction；
Inner sheath；
Cable core comprising at least one light unit and the enhanced non-metallic part for being wrapped in the light unit periphery, the light
Unit includes microbeam pipe and the multifiber in the microbeam pipe, is filled with fire-retardant water-blocking component in the microbeam pipe.
Based on the above technical solution, the material of the oversheath be polyethylene, low smoke halogen-free flame-retardant polyolefin or
Person's polyvinyl chloride.
Based on the above technical solution, the reinforcing element is aramid yarn or organdy, and the tear rope is by virtue
Synthetic fibre yarn is made.
Based on the above technical solution, on the cross section of the optical cable, the line of two tear ropes is passed through
The geometric center of the oversheath.
Based on the above technical solution, the material of the inner sheath is low smoke halogen-free flame-retardant polyolefin.
Based on the above technical solution, the material of the microbeam pipe is low smoke halogen-free flame-retardant polyolefin.
Based on the above technical solution, the wall thickness of the microbeam pipe is 0.09~0.12mm.
Based on the above technical solution, the enhanced non-metallic part is made of aramid yarn.
Based on the above technical solution, the fire-retardant water-blocking component is the fire-retardant fiber paste that blocks water of thixotropic.
Compared with prior art, advantages of the present invention is as follows:
(1) oversheath of the present invention, aluminium strip and waterstop in access cross-connecting box or can be introduced indoor by the light stripping of tear rope
When, it need to only retain to inner sheath, indoor and outdoor access and the use of house wiring can be met simultaneously, expand being applicable in for optical cable
Range reduces difficulty of construction and cost that optical cable is registered one's residence, greatly improves the construction efficiency that optical cable is registered one's residence.
(2) compared with outdoor Loose tube structure, the light unit in the present invention has unarmed stripping, convenient molten fibre, optical fiber close
The advantages that intensity is big, super bending resistance, not only increases the density of optic fibre in unit cross-sectional area, improves the optical fiber plot ratio of optical cable,
And optical cable is introduced directly into interior without too many tool, can complete house wiring, and it is easy for construction.
(3) machinery and environmental performance needed for the oversheath in the present invention and aluminium strip not only can satisfy access net optical cable,
Aluminium strip can also play good protection against rodents effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of access net of the embodiment of the present invention and house wiring optical fiber cable.
In figure: 1- oversheath, 2- aluminium strip, 3- waterstop, 4- reinforcing element, 41- tear rope, 5- inner sheath, 6- light unit,
61- microbeam pipe, 62- optical fiber, the fire-retardant water-blocking component of 63-, 7- enhanced non-metallic part.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.
Shown in Figure 1, the embodiment of the present invention provides a kind of access net and house wiring optical fiber cable, accesses net and house wiring
Optical cable successively includes oversheath 1, aluminium strip 2, waterstop 3, reinforcing element 4, inner sheath 5 and cable core from outside to inside.
The material of oversheath 1 is polyethylene, low smoke halogen-free flame-retardant polyolefin or polyvinyl chloride.Oversheath 1 closely coats
In on aluminium strip 2, aluminium strip 2 and waterstop 3 are arranged along cable length direction, and 2 inner wall of aluminium strip and waterstop 3 closely coat, and longitudinal
It is coated on outside reinforcing element 4.
Be equipped with two tear ropes 41 along the setting of cable length direction in reinforcing element 4, reinforcing element 4 be aramid yarn or
Organdy, tear rope 41 are made of aramid yarn.On the cross section of optical cable, the line of two tear ropes 41 passes through oversheath 1
Geometric center.
It is combined when reinforcing element 4 and tear rope 41 are made of aramid yarn, between reinforcing element 4 and tear rope 41 tight
It is close, and tear rope 41 itself also has drawing-resistant function, therefore can be improved the whole tensile strength of optical cable.
The present invention includes interior outer double-layer structure, and layer structure includes oversheath 1, aluminium strip 2, waterstop 3 and reinforcing element 4,
Endothecium structure includes inner sheath 5 and cable core, machinery and environmental performance needed for layer structure not only can satisfy access net optical cable,
Aluminium strip 2 can also play good protection against rodents effect.The material of inner sheath 5 is low smoke halogen-free flame-retardant polyolefin, can effectively improve cable
Fire resistance property.Oversheath and aluminium strip can by the light stripping of tear rope, when accessing cross-connecting box or introducing indoor, need to only retain to
Inner sheath 5 can meet indoor and outdoor access and the use of house wiring simultaneously, expand the scope of application of optical cable, reduce
The difficulty of construction and cost that optical cable is registered one's residence greatly improve the construction efficiency that optical cable is registered one's residence.
Cable core includes at least one light unit 6 and the enhanced non-metallic part 7 for being wrapped in 6 periphery of light unit, and light unit 6 includes
Microbeam pipe 61 and the multifiber 62 in microbeam pipe 61 are filled with fire-retardant water-blocking component 63 in microbeam pipe 61.Optical fiber 62 is coloring
Optical fiber, enhanced non-metallic part 7 are made of aramid yarn, and fire-retardant water-blocking component 63 is the fire-retardant fiber paste that blocks water of thixotropic.The material of microbeam pipe 61
Material is low smoke halogen-free flame-retardant polyolefin, and the wall thickness of microbeam pipe 61 is 0.09~0.12mm, for example, the wall thickness of microbeam pipe 61 can be
0.09mm, 0.1mm, 0.11mm or 0.12mm.The material of inner sheath 5 and microbeam pipe 61 is all made of low-smoke non-halogen flame-retardant polyene
Hydrocarbon, and the fire-retardant water-blocking component 63 in microbeam pipe 61 is the fire-retardant fiber paste that blocks water of thixotropic, adapts to the fire-retardant, environmentally friendly of inside cable and wants
It asks.
When cable core includes multiple light units 6, enhanced non-metallic part 7 is also set between multiple light units 6.
Compared with outdoor Loose tube structure, the light unit 6 in the present invention has unarmed stripping, convenient molten fine, optical fiber dense
The advantages that spending big, super bending resistance, not only increases the density of optic fibre in unit cross-sectional area, improves the optical fiber plot ratio of optical cable, and
And optical cable is introduced directly into interior without too many tool, can complete house wiring, it is easy for construction.
Access net of the invention and house wiring optical fiber cable are introduced directly into interior without too many tool, can complete indoor cloth
Line, it is easy for construction, have a wide range of application, strong applicability.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (8)
1. a kind of access net and house wiring optical fiber cable, which is characterized in that the access net and house wiring optical fiber cable from outside to inside according to
It is secondary to include:
Oversheath (1)；
Aluminium strip (2) is arranged along cable length direction；
Waterstop (3) is arranged along cable length direction；
Reinforcing element (4), it is interior to be equipped with two tear ropes (41) along the setting of cable length direction, in the cross section of the optical cable
On, the line of two tear ropes (41) passes through the geometric center of the oversheath (1)；
Inner sheath (5)；
Cable core comprising at least one light unit (6) and the enhanced non-metallic part (7) for being wrapped in the light unit (6) periphery, institute
State the multifiber (62) that light unit (6) includes microbeam pipe (61) and is set in the microbeam pipe (61), the microbeam pipe (61)
Inside it is filled with fire-retardant water-blocking component (63).
2. access net and house wiring optical fiber cable as described in claim 1, it is characterised in that: the material of the oversheath (1) is
Polyethylene, low smoke halogen-free flame-retardant polyolefin or polyvinyl chloride.
3. access net and house wiring optical fiber cable as described in claim 1, it is characterised in that: the reinforcing element (4) is aramid fiber
Yarn or organdy, the tear rope (41) are made of aramid yarn.
4. access net and house wiring optical fiber cable as described in claim 1, it is characterised in that: the material of the inner sheath (5) is
Low smoke halogen-free flame-retardant polyolefin.
5. access net and house wiring optical fiber cable as described in claim 1, it is characterised in that: the material of the microbeam pipe (61) is
Low smoke halogen-free flame-retardant polyolefin.
6. access net and house wiring optical fiber cable as described in claim 1, it is characterised in that: the wall thickness of the microbeam pipe (61) is
0.09~0.12mm.
7. access net and house wiring optical fiber cable as described in claim 1, it is characterised in that: the enhanced non-metallic part (7) by
Aramid yarn is made.
8. access net and house wiring optical fiber cable as described in claim 1, it is characterised in that: the fire-retardant water-blocking component (63) is touching
The fire-retardant fiber paste that blocks water of modification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710153639.7A CN107065094B (en) | 2017-03-15 | 2017-03-15 | A kind of access net and house wiring optical fiber cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710153639.7A CN107065094B (en) | 2017-03-15 | 2017-03-15 | A kind of access net and house wiring optical fiber cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107065094A CN107065094A (en) | 2017-08-18 |
| CN107065094B true CN107065094B (en) | 2019-09-17 |
Family
ID=59620019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710153639.7A Active CN107065094B (en) | 2017-03-15 | 2017-03-15 | A kind of access net and house wiring optical fiber cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN107065094B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007414A (en) * | 2019-05-07 | 2019-07-12 | 成都亨通光通信有限公司 | Light-duty cell is registered one's residence leading in cable |
| CN110515168A (en) * | 2019-08-30 | 2019-11-29 | 江苏中天科技股份有限公司 | Easily peelable dry fiber optic micro-pipe and dry type microbeam optical cable |
| CN111562657A (en) * | 2020-05-22 | 2020-08-21 | 江苏中天科技股份有限公司 | Armored micro-beam optical cable and manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201725074U (en) * | 2010-07-16 | 2011-01-26 | 山东太平洋光缆有限公司 | Indoor and outdoor optical cable |
| CN103487906A (en) * | 2013-09-27 | 2014-01-01 | 江苏亨通光电股份有限公司 | Manufacturing method of small-sized multi-core full-dry-type introduced optical cable |
| WO2015024443A1 (en) * | 2013-08-20 | 2015-02-26 | 烽火通信科技股份有限公司 | Double-layer stranded all-dry type optical cable |
| CN206002732U (en) * | 2016-08-26 | 2017-03-08 | 四川远通通信有限公司 | Single mode fiber cable outside filled type aluminium strip ligth armoring room |
-
2017
- 2017-03-15 CN CN201710153639.7A patent/CN107065094B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201725074U (en) * | 2010-07-16 | 2011-01-26 | 山东太平洋光缆有限公司 | Indoor and outdoor optical cable |
| WO2015024443A1 (en) * | 2013-08-20 | 2015-02-26 | 烽火通信科技股份有限公司 | Double-layer stranded all-dry type optical cable |
| CN103487906A (en) * | 2013-09-27 | 2014-01-01 | 江苏亨通光电股份有限公司 | Manufacturing method of small-sized multi-core full-dry-type introduced optical cable |
| CN206002732U (en) * | 2016-08-26 | 2017-03-08 | 四川远通通信有限公司 | Single mode fiber cable outside filled type aluminium strip ligth armoring room |
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| Publication number | Publication date |
|---|---|
| CN107065094A (en) | 2017-08-18 |
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