CN104898222A - Optical cable with high adaptability to conditions of application regions - Google Patents
Optical cable with high adaptability to conditions of application regions Download PDFInfo
- Publication number
- CN104898222A CN104898222A CN201510282909.5A CN201510282909A CN104898222A CN 104898222 A CN104898222 A CN 104898222A CN 201510282909 A CN201510282909 A CN 201510282909A CN 104898222 A CN104898222 A CN 104898222A
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- CN
- China
- Prior art keywords
- layer
- restrictive coating
- optical cable
- weight body
- load
- 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
- G02B6/4403—Optical cables with ribbon structure
-
- 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
Abstract
The invention discloses an optical cable with high adaptability to conditions of application regions. The optical cable includes a tubular sheath layer, an optical fiber layer arranged in the sheath layer, and a strength layer arranged between the sheath layer and the optical fiber layer; the strength layer is a glass reinforced plastic (GRP) band of which the thickness ranges from 0.2 to 2mm; the outer wall of the sheath layer is connected with load-bearing bodies through connecting segments; the load-bearing bodies are of rope-shaped structures parallel to the sheath layer; each load-bearing body includes a load-bearing layer and a protective layer wrapping the surface of the load-bearing layer, wherein the protective layer is made of a polymer water-blocking material, and the load-bearing layer is made of aramid fibers; the two sides of the sheath layer are both provided with the load-bearing body; and the section of a combined body which is formed through connecting the sheath layer and the load-bearing bodies together is 8-shaped. The optical cable of the invention has the advantages of light weight, long service life, strong adaptability to the environments of laying regions, a certain flexibility and convenience in laying.
Description
Technical field
The present invention relates to a kind of communication cable structure, particularly relate to a kind of optical cable adaptable to the condition of deployment area.
Background technology
Light transmitting fiber, is called for short optical fiber, the light conduction instrument of the total reflection principle transmission in the fiber that to be a kind of light make at glass or plastics.Fine fibre-optic package, in plastic sheath, makes it to bend and is unlikely to fracture.The transmitter of one end of usual optical fiber uses light emitting diode or beam of laser that light pulse is sent to optical fiber, and the receiving equipment of the other end of optical fiber uses photosensitive components to detect pulse.The cable comprising optical fiber is called optical cable.Because light is more much lower in the loss of electric wire conduction than electricity in fibre-optic transmission loss, more because main production raw material is silicon, reserves are very big, more easily exploit, so low price, impel optical fiber to be used as the media of information of long distance.Along with further optimization or the development in optic fibre manufacture process field and manufacturing equipment field, existing fiber price reduces further, and optical fiber improves rapidly at the total proportion of signal and communication cable.
Along with popularizing of optical-fibre communications, optical cable may be laid in various environment, and the structure optimizing optical cable further can ensure the serviceable life of optical cable undoubtedly or be convenient to laying of optical cable.
Summary of the invention
For above-mentioned popularizing along with optical-fibre communications, optical cable may be laid in various environment, the structure of further optimization optical cable can ensure the serviceable life of optical cable undoubtedly or be convenient to the problem of laying of optical cable, the invention provides a kind of optical cable adaptable to the condition of deployment area.
For the problems referred to above, the optical cable adaptable to the condition of deployment area provided by the invention solves problem by following technical essential: the optical cable adaptable to the condition of deployment area, comprise restrictive coating in a tubular form, be arranged at the optical fiber layer in restrictive coating, also strength layer is provided with between described restrictive coating and optical fiber layer, described strength layer is that thickness is with between 0.2-2mmGRP, the outside wall surface of described restrictive coating is also connected with weight body by linkage section, described weight body is the rope-like constructed being parallel to restrictive coating, described weight body comprises bearing stratum and is wrapped in the protective layer on bearing stratum surface, described protective layer is macromolecule material water-proof material, bearing stratum is aramid fiber, the both sides of described restrictive coating are provided with weight body, and the assembly cross section that restrictive coating and each weight body are connected to form is 8-shaped, the surface of linkage section is shiny surface, the surface of the surface of linkage section and weight body or restrictive coating all smoothly transits.
Concrete, in the present invention, the strength layer of setting is tension and the resistance to compression layer of optical cable, and the restrictive coating of setting is the protective seam of this structure, the optical fiber layer built-in fiber of setting, is the Communication Layer of this structure.Strength layer is adopted to be the vibrational power flow that GRP is with, each ingredient of the present invention all can be set to nonmetal, the present invention can be made like this to have good resistance to electromagnetic performance, the present invention can be made to have good ability to communicate in strong electromagnetic region and thunder and lightning hotspots.
GRP band is the banded structure that glass fiber reinforced plastics is made, and above structure not only makes the present invention have good anti-extrusion and stretch capability, also has certain flexibility simultaneously, is convenient to of the present invention laying.
By arranging weight body on restrictive coating, can realize of the present invention built on stiltsly independently to lay, in weight body, bearing stratum is as strength materials simultaneously, and the material being chosen as aramid fiber limits, make the present invention on the whole lightweight, not by the impact in electric field, magnetic field; The protective layer arranged as the protective seam of bearing stratum, the firmly factor such as moisture-barrier, illumination, outside destroy.
For ease of reducing the present invention unevenness that optical fiber layer is stressed in the radial direction under external force, all arrange weight body in the both sides of restrictive coating, two weight body also have the effect that limit fibre layer reverses simultaneously; The assembly cross section adopting restrictive coating and each weight body to be connected to form is that the form of 8-shaped is arranged, arrange thinner by linkage section, like this when the present invention needs to lay through buildings, single or two weight body are peeled off by convenient the present invention again, to the form of through wires hole or aperture, there is less requirement to make the present invention.
Further technical scheme is:
For ease of keeping profile and the protection optical fiber layer of strength layer, also comprise the fine layer of paste be arranged between optical fiber layer and strength layer.
As the another kind of measure of protection optical fiber layer, also comprise the Loose tube layer be arranged between optical fiber layer and strength layer.
For making the present invention have cross section water-resisting ability, the internal face of described strength layer is also provided with water blocking layer.
The material good as a kind of lightweight, block-water performance is arranged, and described water blocking layer is greasy for preventing water.
For reducing manufacturing process of the present invention, described restrictive coating, linkage section and protective layer are integral type structure.
As a kind of long service life and the low material of water-intake rate arrange, the material of described restrictive coating is tygon.
The present invention has following beneficial effect:
1, in the present invention, the strength layer of setting is tension and the resistance to compression layer of optical cable, and the restrictive coating of setting is the protective seam of this structure, the optical fiber layer built-in fiber of setting, is the Communication Layer of this structure.Strength layer is adopted to be the vibrational power flow that GRP is with, each ingredient of the present invention all can be set to nonmetal, the present invention can be made like this to have good resistance to electromagnetic performance, the present invention can be made to have good ability to communicate in strong electromagnetic region and thunder and lightning hotspots.
2, GRP band is the banded structure that glass fiber reinforced plastics is made, and above structure not only makes the present invention have good anti-extrusion and stretch capability, also has certain flexibility simultaneously, is convenient to of the present invention laying.
3, by arranging weight body on restrictive coating, can realize of the present invention built on stiltsly independently to lay, in weight body, bearing stratum is as strength materials simultaneously, and the material being chosen as aramid fiber limits, make the present invention on the whole lightweight, not by the impact in electric field, magnetic field.
4, for ease of reducing the present invention unevenness that optical fiber layer is stressed in the radial direction under external force, all arrange weight body in the both sides of restrictive coating, two weight body also have the effect that limit fibre layer reverses simultaneously; The assembly cross section adopting restrictive coating and each weight body to be connected to form is that the form of 8-shaped is arranged, arrange thinner by linkage section, like this when the present invention needs to lay through buildings, single or two weight body are peeled off by convenient the present invention again, to the form of through wires hole or aperture, there is less requirement to make the present invention.
5, to linkage section profile and two ends respectively with the restriction of restrictive coating, protective layer face type, can avoid on linkage section, produce stress and concentrate, be beneficial to serviceable life of the present invention.
Accompanying drawing explanation
Fig. 1 is the structure cut-open view of an optical cable specific embodiment adaptable to the condition of deployment area of the present invention.
Figure acceptance of the bid note is respectively: 1, optical fiber layer, and 2, fine layer of paste, 3, Loose tube layer, 4, restrictive coating, 5, strength layer, 6, water blocking layer, 7, bearing stratum, 8, protective layer, 9, linkage section.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but structure of the present invention is not limited only to following examples.
Embodiment 1:
As Fig. 1, the optical cable adaptable to the condition of deployment area, comprise restrictive coating 4 in a tubular form, be arranged at the optical fiber layer 1 in restrictive coating 4, strength layer 5 is also provided with between described restrictive coating 4 and optical fiber layer 1, described strength layer 5 is with between 0.2-2mmGRP for thickness, the outside wall surface of described restrictive coating 4 is also connected with weight body by linkage section 9, described weight body is the rope-like constructed being parallel to restrictive coating 4, the protective layer 8 that described weight body comprises bearing stratum 7 and is wrapped on bearing stratum 7 surface, described protective layer 8 is macromolecule material water-proof material, bearing stratum 7 is aramid fiber, the both sides of described restrictive coating 4 are provided with weight body, and the assembly cross section that restrictive coating 4 and each weight body are connected to form is 8-shaped, the surface of linkage section 9 is shiny surface, the surface of the surface of linkage section 9 and weight body or restrictive coating 4 all smoothly transits.
In the present embodiment, the strength layer 5 of setting is tension and the resistance to compression layer of optical cable, and the restrictive coating 4 of setting is the protective seam of this structure, and optical fiber layer 1 built-in fiber of setting is the Communication Layer of this structure.Adopt the vibrational power flow that strength layer 5 is with for GRP, each ingredient of the present invention all can be set to nonmetal, the present invention can be made like this to have good resistance to electromagnetic performance, the present invention can be made to have good ability to communicate in strong electromagnetic region and thunder and lightning hotspots.
GRP band is the banded structure that glass fiber reinforced plastics is made, and above structure not only makes the present invention have good anti-extrusion and stretch capability, also has certain flexibility simultaneously, is convenient to of the present invention laying.
By arranging weight body on restrictive coating, can realize of the present invention built on stiltsly independently to lay, in weight body, bearing stratum is as strength materials simultaneously, and the material being chosen as aramid fiber limits, make the present invention on the whole lightweight, not by the impact in electric field, magnetic field; The protective layer arranged as the protective seam of bearing stratum, the firmly factor such as moisture-barrier, illumination, outside destroy.
For ease of reducing the present invention unevenness that optical fiber layer is stressed in the radial direction under external force, all arrange weight body in the both sides of restrictive coating, two weight body also have the effect that limit fibre layer reverses simultaneously; The assembly cross section adopting restrictive coating and each weight body to be connected to form is that the form of 8-shaped is arranged, arrange thinner by linkage section, like this when the present invention needs to lay through buildings, single or two weight body are peeled off by convenient the present invention again, to the form of through wires hole or aperture, there is less requirement to make the present invention.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1, for ease of keeping profile and the protection optical fiber layer 1 of strength layer 5, also comprises the fine layer of paste 2 be arranged between optical fiber layer 1 and strength layer 5.
As the another kind of measure of protection optical fiber layer 1, also comprise the Loose tube layer 3 be arranged between optical fiber layer 1 and strength layer 5.
For making the present invention have cross section water-resisting ability, the internal face of described strength layer 5 is also provided with water blocking layer 6.
The material good as a kind of lightweight, block-water performance is arranged, and described water blocking layer 6 is greasy for preventing water.
As a kind of long service life and the low material of water-intake rate arrange, the material of described restrictive coating 4 is tygon.
For reducing manufacturing process of the present invention, described restrictive coating 4, linkage section 9 and protective layer 8 is integral type structure.
Above content is the further description done the present invention in conjunction with concrete preferred implementation, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other embodiments drawn under technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (7)
1. the optical cable that the condition of pair deployment area is adaptable, comprise restrictive coating (4) in a tubular form, be arranged at the optical fiber layer (1) in restrictive coating (4), strength layer (5) is also provided with between described restrictive coating (4) and optical fiber layer (1), it is characterized in that, described strength layer (5) is with between 0.2-2mmGRP for thickness, the outside wall surface of described restrictive coating (4) is also connected with weight body by linkage section (9), described weight body is for being parallel to the rope-like constructed of restrictive coating (4), described weight body comprises bearing stratum (7) and is wrapped in the protective layer (8) on bearing stratum (7) surface, described protective layer (8) is macromolecule material water-proof material, bearing stratum (7) is aramid fiber, the both sides of described restrictive coating (4) are provided with weight body, and the assembly cross section that restrictive coating (4) and each weight body are connected to form is 8-shaped, the surface of linkage section (9) is shiny surface, the surface of the surface of linkage section (9) and weight body or restrictive coating (4) all smoothly transits.
2. the optical cable adaptable to the condition of deployment area according to claim 1, is characterized in that, also comprises the fine layer of paste (2) be arranged between optical fiber layer (1) and strength layer (5).
3. the optical cable adaptable to the condition of deployment area according to claim 1, is characterized in that, also comprises the Loose tube layer (3) be arranged between optical fiber layer (1) and strength layer (5).
4. the optical cable adaptable to the condition of deployment area according to claim 1, is characterized in that, the internal face of described strength layer (5) is also provided with water blocking layer (6).
5. the optical cable adaptable to the condition of deployment area according to claim 4, is characterized in that, described water blocking layer (6) is greasy for preventing water.
6. according to the optical cable adaptable to the condition of deployment area in claim 1 to 5 described in any one, it is characterized in that, the material of described restrictive coating (4) is tygon.
7. according to the optical cable adaptable to the condition of deployment area in claim 1 to 5 described in any one, it is characterized in that, described restrictive coating (4), linkage section (9) and protective layer (8) are integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510282909.5A CN104898222A (en) | 2015-05-29 | 2015-05-29 | Optical cable with high adaptability to conditions of application regions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510282909.5A CN104898222A (en) | 2015-05-29 | 2015-05-29 | Optical cable with high adaptability to conditions of application regions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104898222A true CN104898222A (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510282909.5A Pending CN104898222A (en) | 2015-05-29 | 2015-05-29 | Optical cable with high adaptability to conditions of application regions |
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| Country | Link |
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| CN (1) | CN104898222A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671531A (en) * | 2018-12-10 | 2019-04-23 | 江苏艾克亚特电缆科技有限公司 | A kind of power transmission cable can be used for more seismic regions and production technology |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001249259A (en) * | 1999-12-28 | 2001-09-14 | Fujikura Ltd | Optical cable |
| CN2869903Y (en) * | 2006-01-10 | 2007-02-14 | 长飞光纤光缆有限公司 | Self-bearing optical cable with double supports |
| CN201266260Y (en) * | 2008-08-12 | 2009-07-01 | 浙江飞虹通信集团有限公司 | Optical cable with non-metal reinforcing band |
| JP5048461B2 (en) * | 2007-11-21 | 2012-10-17 | 株式会社アドバンスト・ケーブル・システムズ | Optical fiber cord and optical fiber cord wiring method |
-
2015
- 2015-05-29 CN CN201510282909.5A patent/CN104898222A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001249259A (en) * | 1999-12-28 | 2001-09-14 | Fujikura Ltd | Optical cable |
| CN2869903Y (en) * | 2006-01-10 | 2007-02-14 | 长飞光纤光缆有限公司 | Self-bearing optical cable with double supports |
| JP5048461B2 (en) * | 2007-11-21 | 2012-10-17 | 株式会社アドバンスト・ケーブル・システムズ | Optical fiber cord and optical fiber cord wiring method |
| CN201266260Y (en) * | 2008-08-12 | 2009-07-01 | 浙江飞虹通信集团有限公司 | Optical cable with non-metal reinforcing band |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671531A (en) * | 2018-12-10 | 2019-04-23 | 江苏艾克亚特电缆科技有限公司 | A kind of power transmission cable can be used for more seismic regions and production technology |
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| PB01 | Publication | ||
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Application publication date: 20150909 |