CN104777569B - The enhanced self-support cable of non-metallic sheath - Google Patents
The enhanced self-support cable of non-metallic sheath Download PDFInfo
- Publication number
- CN104777569B CN104777569B CN201510162446.9A CN201510162446A CN104777569B CN 104777569 B CN104777569 B CN 104777569B CN 201510162446 A CN201510162446 A CN 201510162446A CN 104777569 B CN104777569 B CN 104777569B
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- CN
- China
- Prior art keywords
- polyester belt
- reinforced plastics
- cable
- fiberglass reinforced
- loose tube
- Prior art date
- 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
- 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
- G02B6/4401—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 the enhanced self-support cables of non-metallic sheath, the optical cable includes center reinforcemen, Loose tube, polyester belt, fiberglass reinforced plastics layer and outer jacket, being twisted around center reinforcemen has several Loose tubes, single or multi-core optical fiber are housed in each Loose tube and filled with fiber paste, polyester belt longitudinal wrap is twisted in outer jacket, in polyester belt fiberglass reinforced plastics layer.The enhanced self-support cable of non-metallic sheath of the present invention has cast aside the design concept of conventional metals armored optical cable, innovatively uses for reference ADSS cable configurations, and GFRP is used outside cable core（Fiberglass reinforced plastics）Carry out armouring and either carry out GFRP in ADSS construction interiors to be twisted armouring or in GFRP armor external application glass braid over braid longitudinal wraps, reach anti-rodent bite, the performance of anti-unfirmly closing.
Description
Technical field
The self-support cable more particularly to a kind of non-metallic sheath used the present invention relates to a kind of power overhead network road increases
Strong type self-support cable.
Background technology
Often pass through damaged by rats area, woods birds City Regions etc. in optical cable installation circuit, such usual area
Optical cable a period of time after laying, optical cable can be caused to damage by damaged by rats, the calamity of unfirmly closing.
A certain proportion of anti-rat material is added currently, being typically employed in cable outer sheath material, to reach mouse bite preventing
Function or the optical cable for using steel-tape armouring structure.But over time, mouse being gradually applicable in additive taste,
The property feared can gradually reduce, and the optical cable that can also bite causes damage.And the optical cable of steel-tape armouring structure is used, mouse passes through insistent
It bites, after outer jacket is destroyed, some thickness of strips are inadequate, and it is directly exposed in sky also by mouse to sting bad or steel band quickly
In gas, meeting corrosion after steel band oxidation, to which optical cable endothecium structure can be also destroyed.In addition the optical cable of steel-tape armouring structure itself weight
And contain metal component, it is unfavorable for the aerial laying of power circuit.Therefore develop that itself is light, has the anti-of Self-bearing-type overhead
Damaged by rats, anti-unfirmly closing optical cable are plague of rats area, the most suitable optical cable in woods birds collection area.
Invention content
The technical problem to be solved in the present invention is to provide a kind of enhanced self-support cables of non-metallic sheath.The nonmetallic knot
Structure armored optical cable can reach anti-rodent bite, the performance of anti-unfirmly closing.
In order to solve the above technical problems, the enhanced self-support cable of non-metallic sheath of the present invention, which includes center
Reinforcer, Loose tube, polyester belt, fiberglass reinforced plastics layer and outer jacket, be twisted around the center reinforcemen have it is several
Loose tube is filled equipped with single or multi-core optical fiber and with fiber paste in each Loose tube, and the polyester belt longitudinal wrap is in outer jacket, institute
It states to be twisted in polyester belt and has fiberglass reinforced plastics layer.
Further, middle sheath and inner cushion layer, the middle sheath and interior pad are equipped in the fiberglass reinforced plastics layer
It is equipped with aramid fiber between layer, cable cream is filled between each Loose tube in the inner cushion layer, the Loose tube and a gasket for packing twist
Around center reinforcemen.
Further, it is equipped with aramid fiber between the outer jacket and polyester belt, is equipped in the fiberglass reinforced plastics layer
Inner cushion layer is filled with cable cream between each Loose tube in the inner cushion layer, and the Loose tube and a gasket for packing are twisted in center
Around reinforcer.
Further, aramid fiber, the polyester belt and fiberglass reinforced plastics are equipped between the outer jacket and polyester belt
It is equipped with glass braid over braid between layer, cable cream is filled between each Loose tube in the fiberglass reinforced plastics layer.
Further, spiral winding has water blocking yarn between the polyester belt and glass braid over braid.
Further, the material of the center reinforcemen uses fiberglass reinforced plastics.
The enhanced self-support cable of non-metallic sheath of the present invention has cast aside the design concept of conventional metals armored optical cable, wound
ADSS cable configurations are used for reference to new property, GFRP is used outside cable core（Fiberglass reinforced plastics）It carries out armouring or is tied in ADSS
Structure internal layer carries out GFRP and is twisted armouring or in GFRP armor external application glass braid over braid longitudinal wraps, reach anti-rodent bite,
The performance of anti-unfirmly closing.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment 1.
Fig. 2 is the structural schematic diagram of embodiment 2.
Fig. 3 is the structural schematic diagram of embodiment 3.
Wherein：1, outer jacket, 2, polyester belt, 3, fiberglass reinforced plastics layer, 4, middle sheath, 5, gasket for packing, 6, center
Reinforcer, 7, Loose tube, 71, optical fiber, 72, fiber paste, 8, cable cream, 9, aramid fiber, 10, inner cushion layer, 11, water blocking yarn, 12, glass braiding
Band.
Specific implementation mode
In order to deepen the understanding of the present invention, below in conjunction with embodiment and attached drawing, the invention will be further described, should
Embodiment is only used for explaining the present invention, does not restrict the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, the enhanced self-support cable of non-metallic sheath of the present invention, which includes center reinforcemen 6, pine
Casing 7, polyester belt 2, fiberglass reinforced plastics layer 3 and outer jacket 1, being twisted around center reinforcemen 6 has several Loose tubes 7,
Equipped with single or multi-core optical fiber 71 and with the filling of fiber paste 72 in each Loose tube 7,2 longitudinal wrap of polyester belt is in outer jacket 1, polyester belt
Being twisted in 2 has fiberglass reinforced plastics layer 3, and middle sheath 4 and inner cushion layer 10, middle shield are equipped in fiberglass reinforced plastics layer 3
It is equipped with aramid fiber 9 between layer 4 and inner cushion layer 10, cable cream 8, Loose tube 7 and one are filled between each Loose tube 7 in inner cushion layer 10
Gasket for packing 5 is twisted around center reinforcemen 6.
Embodiment 2
As shown in Fig. 2, the enhanced self-support cable of non-metallic sheath of the present invention, which includes center reinforcemen 6, pine
Casing 7, polyester belt 2, fiberglass reinforced plastics layer 3 and outer jacket 1, being twisted around center reinforcemen 6 has several Loose tubes 7,
Equipped with single or multi-core optical fiber 71 and with the filling of fiber paste 72 in each Loose tube 7,2 longitudinal wrap of polyester belt is in outer jacket 1, polyester belt
Being twisted in 2 has fiberglass reinforced plastics layer 3, and aramid fiber 9, fiberglass reinforced plastics layer are equipped between outer jacket 1 and polyester belt 2
It is equipped with inner cushion layer 10 in 3, cable cream 8 is filled between each Loose tube 7 in inner cushion layer 10, Loose tube 7 and a gasket for packing 5 are twisted
Around center reinforcemen 6.
Embodiment 3
As shown in figure 3, the enhanced self-support cable of non-metallic sheath of the present invention, which includes center reinforcemen 6, pine
Casing 7, polyester belt 2, fiberglass reinforced plastics layer 3 and outer jacket 1, being twisted around center reinforcemen 6 has several Loose tubes 7,
Equipped with single or multi-core optical fiber 71 and with the filling of fiber paste 72 in each Loose tube 7,2 longitudinal wrap of polyester belt is in outer jacket 1, polyester belt
Being twisted in 2 has fiberglass reinforced plastics layer 3, and aramid fiber 9, polyester belt 2 and glass fibre are equipped between outer jacket 1 and polyester belt 2
It is equipped with glass braid over braid 12 between reinforced plastic layer 3, is filled between each Loose tube 7 in fiberglass reinforced plastics layer 3
Cable cream 8, spiral winding has water blocking yarn 11 between polyester belt 2 and glass braid over braid 12.
The material of center reinforcemen 6 in above-described embodiment 1-3 uses fiberglass reinforced plastics.
The design of armor：Traditional metal armouring is not used, but uses the glass fiber reinforcement modeling of high-strength light
The bed of material（GFRP）It is stranded in outside cable core.Advantage using GFRP armourings has following three points：1）Since glass fibre is superfine and crisp,
During muroid, birds bite and sting, it is in the glass dregs of comminution, the oral cavity of muroid, birds will be injured, is allowed to generate fear to optical cable
Fear sense, can reach the effect of mouse bite preventing, anti-unfirmly closing；2）With excellent corrosion resistance；3）Light weight, stretch-proof, lateral pressure resistant
Ability is strong, and optical cable has certain flexibility and bending resistance.
Fig. 1, Fig. 2, Fig. 3 have polyester belt, and polyester belt longitudinal wrap is selected outside twisted cable core, mainly there is following advantage：1）It is anti-
Pulling force is strong, and ductility is good, not easy to break；2）With excellent corrosion resistance；3）Flexibility is excellent.
Glass braid over braid is used in embodiment 3, in Fig. 3, water blocking yarn spiral winding between polyester belt and glass braid over braid, and
It is evenly distributed, there is high temperature resistant, reduce the damage of internal layer twisting element, it is ensured that moisture-proof, block-water effect.
In embodiment 1,2,3, a floor height density PE sheaths are squeezed again outside non-metallic armoring layer, not only have preferable rigid
Property, toughness and larger tensile strength, and modulus is big, and wearability is good, there is preferable environmental stress cracking resistance, is
The aging of optical cable corrosion resistant has added one layer of protection again.
Optical cable system of laying：Self-bearing-type overhead lays the performance that can meet mouse bite preventing, anti-unfirmly closing.
The enhanced self-support cable of non-metallic sheath of the present invention has cast aside the design concept of conventional metals armored optical cable, innovation
Property use for reference ADSS cable configurations, outside cable core use GFRP（Fiberglass reinforced plastics）Carry out armouring or in ADSS structures
Internal layer carries out GFRP and is twisted armouring or in GFRP armor external application glass braid over braid longitudinal wraps, reaches anti-rodent and bite, prevent
The performance of unfirmly closing.
Claims (4)
1. the enhanced self-support cable of non-metallic sheath, it is characterised in that：The optical cable includes center reinforcemen, Loose tube, polyester
Band, fiberglass reinforced plastics layer and outer jacket, being twisted around the center reinforcemen has several Loose tubes, in each Loose tube
It is filled equipped with single or multi-core optical fiber and with fiber paste, the polyester belt longitudinal wrap is twisted in outer jacket, in the polyester belt glass
Glass fiber-reinforced plastic layer；It is equipped with aramid fiber between the outer jacket and polyester belt, is equipped in the fiberglass reinforced plastics layer
Inner cushion layer is filled with cable cream between each Loose tube in the inner cushion layer, and the Loose tube and a gasket for packing are twisted in center
Around reinforcer.
2. the enhanced self-support cable of non-metallic sheath, it is characterised in that：The optical cable includes center reinforcemen, Loose tube, polyester
Band, fiberglass reinforced plastics layer and outer jacket, being twisted around the center reinforcemen has several Loose tubes, in each Loose tube
It is filled equipped with single or multi-core optical fiber and with fiber paste, the polyester belt longitudinal wrap is twisted in outer jacket, in the polyester belt glass
Glass fiber-reinforced plastic layer；Aramid fiber, the polyester belt and fiberglass reinforced plastics are equipped between the outer jacket and polyester belt
It is equipped with glass braid over braid between layer, cable cream is filled between each Loose tube in the fiberglass reinforced plastics layer.
3. the enhanced self-support cable of non-metallic sheath according to claim 2, it is characterised in that：The polyester belt and glass
Spiral winding has water blocking yarn between fine braid over braid.
4. the enhanced self-support cable of non-metallic sheath according to claim 1 or 2, it is characterised in that：The center adds
The material of strong part uses fiberglass reinforced plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510162446.9A CN104777569B (en) | 2015-04-08 | 2015-04-08 | The enhanced self-support cable of non-metallic sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510162446.9A CN104777569B (en) | 2015-04-08 | 2015-04-08 | The enhanced self-support cable of non-metallic sheath |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104777569A CN104777569A (en) | 2015-07-15 |
| CN104777569B true CN104777569B (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510162446.9A Active CN104777569B (en) | 2015-04-08 | 2015-04-08 | The enhanced self-support cable of non-metallic sheath |
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| CN (1) | CN104777569B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683777A (en) * | 2015-11-11 | 2017-05-17 | 衡阳恒飞电缆有限责任公司 | Highly waterproof and tensile optical fiber cable |
| CN106019509A (en) * | 2016-07-18 | 2016-10-12 | 江苏中天科技股份有限公司 | Novel nonmetallic armored enhanced self-supporting optical cable |
| CN106125220A (en) * | 2016-07-18 | 2016-11-16 | 江苏中天科技股份有限公司 | A kind of anti-animal of nonmetal lightweight bites optical cable |
| CN109387911A (en) * | 2017-08-08 | 2019-02-26 | 江苏亨通光电股份有限公司 | All dielectric self-supporting enhances rodent-resistant cable and data communication system |
| CN107656342A (en) * | 2017-08-25 | 2018-02-02 | 江苏中天科技股份有限公司 | A kind of Novel anti-mouse stings optical cable and preparation method thereof |
| CN109116497A (en) * | 2018-10-24 | 2019-01-01 | 江苏亨通光电股份有限公司 | Aerial optical cable |
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| CN202256789U (en) * | 2011-06-21 | 2012-05-30 | 安徽理工大学 | Hybrid optical cable |
| CN202433584U (en) * | 2012-02-24 | 2012-09-12 | 长飞光纤光缆有限公司 | All-dielectric self-supporting rodent-resistant optical cable |
| CN102928938A (en) * | 2012-11-19 | 2013-02-13 | 江苏长飞中利光纤光缆有限公司 | Emergency optical cable |
| CN203311048U (en) * | 2013-05-07 | 2013-11-27 | 宏安集团有限公司 | Rat-proof optical fiber cable |
| CN204178022U (en) * | 2014-10-15 | 2015-02-25 | 广东亨通光电科技有限公司 | Environment-friendly type all dielectric Anti-mouse ant-proof optical cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202522747U (en) * | 2012-04-17 | 2012-11-07 | 浙江万马天屹通信线缆有限公司 | Center beam tube optical unit |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202256789U (en) * | 2011-06-21 | 2012-05-30 | 安徽理工大学 | Hybrid optical cable |
| CN202433584U (en) * | 2012-02-24 | 2012-09-12 | 长飞光纤光缆有限公司 | All-dielectric self-supporting rodent-resistant optical cable |
| CN102928938A (en) * | 2012-11-19 | 2013-02-13 | 江苏长飞中利光纤光缆有限公司 | Emergency optical cable |
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| CN204575916U (en) * | 2015-04-08 | 2015-08-19 | 江苏中天科技股份有限公司 | Non-metallic sheath enhancement mode self-support cable |
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| Publication number | Publication date |
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| CN104777569A (en) | 2015-07-15 |
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