CN106094130A - The optical cable that a kind of refractory heat-insulating ability is strong - Google Patents
The optical cable that a kind of refractory heat-insulating ability is strong Download PDFInfo
- Publication number
- CN106094130A CN106094130A CN201610360219.1A CN201610360219A CN106094130A CN 106094130 A CN106094130 A CN 106094130A CN 201610360219 A CN201610360219 A CN 201610360219A CN 106094130 A CN106094130 A CN 106094130A
- Authority
- CN
- China
- Prior art keywords
- optical cable
- oversheath
- inner sheath
- layer
- strong
- 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
- G02B6/4415—Cables for special applications
- G02B6/4416—Heterogeneous cables
- G02B6/4417—High voltage aspects, e.g. in cladding
-
- 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
- G02B6/4436—Heat resistant
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses the optical cable that a kind of refractory heat-insulating ability is strong; including oversheath (2), inner sheath (3), fiber optic protection sleeve pipe (4) and optical fiber (5); lubricating layer (1) it is provided with between oversheath (2) and inner sheath (3); armor (8) it is provided with in inner sheath (3); inner sheath (3) is bonding by epoxy resin layer (7) with armor (8); oversheath (2) outside is provided with fireprotection layer (9), is provided with thermal insulation layer (10) between fireprotection layer (9) and oversheath (2).The invention has the beneficial effects as follows: the present invention can make to realize between oversheath and inner sheath relatively rotating by arranging lubricating layer; during when optical cable because being twisted by external force; inner sheath influence can be reduced; thus improve the anti-twisting property of optical cable; the use safety of optical cable can be the most effectively protected, by arranging thermal insulation layer it can be avoided that high temperature is delivered to cable interior by arranging fireprotection layer.
Description
Technical field
The present invention relates to optical cable field, specifically, be the optical cable that a kind of refractory heat-insulating ability is strong.
Background technology
Along with being surging forward of telecommunications, data service especially IP business is exponentially increased situation, voice, data
It is both needed to transmission, so needing bigger network capacity and broader broadband with the multimedia such as image.How user is passed through high-band
Access way wide, high-quality is linked on high speed, jumbo backbone network, and the successful realization of information superhighway is had by this
Decisive meaning.In order to meet the needs of the optical cable some application requirements supply of electric power in transmitting procedure, and also to
Resource is laid in saving, has the most had photoelectric mixed cable.But the structure of the most common photoelectric mixed cable generally also exists
The feature of tension compressive property difference, is easily damaged being squeezed when.
Chinese Patent Application No.: 201010504893 disclose the cable of a kind of plain conductor and fiber mix, and it is two
Increasing single-mode fiber in core, three cores or multicore metallic cable, wherein plain conductor is copper of the prior art, aluminum, gold, silver conduction
Material, single-mode fiber is glass optical fiber of the prior art or plastic optical fiber, is used for transmitting optical signal and ignition of cable signal.This
The structure compressive property of sample is poor, is easily damaged when being squeezed.
Summary of the invention
The refractory heat-insulating ability that it is an object of the invention to provide a kind of simple in construction, can be prevented effectively from optical cable torsion bad is strong
Optical cable.
The present invention is achieved through the following technical solutions: the optical cable that a kind of refractory heat-insulating ability is strong, including oversheath, is arranged on
Inner sheath, several fiber optic protection sleeve pipes being arranged in inner sheath and the light being arranged in fiber optic protection sleeve pipe in oversheath
Fibre, is provided with lubricating layer between oversheath and inner sheath, be provided with armor in inner sheath, and inner sheath and armor pass through epoxy resin
Layer is bonding, is provided with fireprotection layer, is provided with thermal insulation layer between fireprotection layer and oversheath outside oversheath.
Center reinforcement it is provided with in described inner sheath.
Described fiber optic protection casing layer twists outside centrally disposed reinforcement.
Described center reinforcement is the center reinforcement that phosphating steel wire is made.
Described oversheath is the oversheath being made up of PE.
Fine cream it is filled with in described lubricating layer.
Described fireprotection layer is the resistance fireprotection layer being made up of AFR/12.
Described thermal insulation layer is the thermal insulation layer being made up of mica tape.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) present invention can make to realize between oversheath and inner sheath relatively rotating, when optical cable because being subject to by arranging lubricating layer
When twisting to external force, it is possible to reduce inner sheath influence, thus improve the anti-twisting property of optical cable, by arranging
Armor, it is possible to increase the impact resistance of optical cable, it is to avoid optical cable is because being damaged by external force, it is also possible to prevent toy from damaging
The component that bad armor is internal, can also increase the mechanical strength of cable, improve erosion prevention, prolongation by arranging armor
The service life of optical cable, by using epoxy resin layer inner sheath is bonding with armor, owing to epoxy resin has good
Adhesive property, it is possible to increase inner sheath and the adhesive strength of armor, also will not lose efficacy under hot conditions, due to epoxy resin also
There are good dielectric properties, can effectively shield the interference signal in the external world by arranging epoxy resin layer, it is to avoid optical signal is subject to
To the interference of outer signals, thus improve the capacity of resisting disturbance of optical signal transmission, and due to the light weight of epoxy resin, keep away
Exempt from optical cable weight too big, and avoid optical cable transport to lay difficulty；
(2) present invention can improve mechanical strength and the anti-pressure ability of optical cable by arranging center reinforcement；
(3) by the present invention in that with phosphating steel wire as center reinforcement, make use of phosphating steel wire torsion capacity wear-resisting, counter-bending
Strong feature, improves the bending resistance of optical cable, and the service life of elongation center's reinforcement.
Accompanying drawing explanation
Fig. 1 is the structural representation of the optical cable that a kind of refractory heat-insulating ability is strong；
Wherein 1 lubricating layer, 2 oversheaths, 3 inner sheaths, 4 fiber optic protection sleeve pipes, 5 optical fiber, 6 center reinforcements,
7 epoxy resin layers, 8 armors, 9 fireprotection layers, 10 thermal insulation layers.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment:
As it is shown in figure 1, in the present embodiment, the optical cable that a kind of refractory heat-insulating ability is strong, including oversheath 2, it is arranged in oversheath 2
Inner sheath 3, several fiber optic protection sleeve pipes 4 being arranged in inner sheath 3 and the optical fiber 5 being arranged in fiber optic protection sleeve pipe 4,
It is provided with lubricating layer 1 between oversheath 2 and inner sheath 3, can make to realize between oversheath with inner sheath phase by arranging lubricating layer
To rotation, during when optical cable because being twisted by external force, it is possible to reduce inner sheath influence, thus improve optical cable
Anti-twisting property, be provided with armor 8 in inner sheath 3, by arranging armor 8, it is possible to increase the impact resistance of optical cable, it is to avoid
Optical cable is because being damaged by external force, it is also possible to prevent toy from damaging the component within armor, by arranging armor 8 also
Can increase the mechanical strength of cable, improve erosion prevention, the service life of prolongation optical cable, inner sheath 3 passes through with armor 8
Epoxy resin layer 7 is bonding, owing to epoxy resin has good adhesive property, it is possible to increase inner sheath is bonding with armor by force
Degree, also will not lose efficacy under hot conditions, also have good dielectric properties due to epoxy resin, by arranging epoxy resin layer energy
Enough interference signals that effectively shielding is extraneous, it is to avoid optical signal is disturbed by outer signals, thus improves optical signal transmission
Capacity of resisting disturbance, and due to the light weight of epoxy resin, it is to avoid optical cable weight is too big, and avoids the optical cable transport to lay tired
Difficulty, in the present embodiment, is provided with the fireprotection layer 9 being made up of AFR/12 outside oversheath 2, AFR/12 is a kind of polyene containing fire retardant
Hydrocarbon thermoplastic composite, does not discharge hydracid, has self-extinguishment feature, can reduce the discharge of poisonous corrosive gas and smog in a large number
Produce.The optical cable being made up of this material is particularly suitable under the public arena requiring to have tight security using.AFR/12
There is good mechanical performance, processing characteristics and fire resistance, and there is optimum cost performance, by using this fireprotection layer 9 energy
The enough use safety the most effectively protecting optical cable.
In the present embodiment, being provided with the thermal insulation layer 10 being made up of mica tape between fireprotection layer 9 and oversheath 2, mica tape is one
Plant high performance hot-face insulation insulating product, there is excellent burning high temperature resistant, resistance to and heat-proof quality, in case of fire can
Avoiding high temperature to be delivered to cable interior, and the structure in thermal insulation layer 10 is damaged because of high temperature, adequately protected optical cable
Use safety.
In the present embodiment, in described inner sheath 3, it is provided with the center reinforcement 6 being made up of phosphating steel wire, fiber boot
Pipe 4 layers twists outside centrally disposed reinforcement 6.
In the present embodiment, described oversheath 2 is the oversheath being made up of PE.
In the present embodiment, in described lubricating layer 1, it is filled with fine cream, graphite powder or lubricating oil.
The above, be only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction, every depends on
Any simple modification of being made above example according to the technical spirit of the present invention, equivalent variations, each fall within the protection of the present invention
Within the scope of.
Claims (8)
1. the optical cable that a refractory heat-insulating ability is strong, it is characterised in that: include oversheath (2), be arranged in oversheath (2) interior
Sheath (3), several fiber optic protection sleeve pipes (4) being arranged in inner sheath (3) and the light being arranged in fiber optic protection sleeve pipe (4)
Fine (5), are provided with lubricating layer (1), are provided with armor (8), inner sheath in inner sheath (3) between oversheath (2) and inner sheath (3)
(3) bonding by epoxy resin layer (7) with armor (8), oversheath (2) outside is provided with fireprotection layer (9), fireprotection layer (9) and outward
Thermal insulation layer (10) it is provided with between sheath (2).
The optical cable that a kind of refractory heat-insulating ability the most according to claim 1 is strong, it is characterised in that: described inner sheath (3)
Inside it is provided with center reinforcement (6).
The optical cable that a kind of refractory heat-insulating ability the most according to claim 2 is strong, it is characterised in that: described fiber boot
Pipe (4) layer twists centrally disposed reinforcement (6) outside.
The optical cable that a kind of refractory heat-insulating ability the most according to claim 2 is strong, it is characterised in that: described center reinforcement
(6) it is the center reinforcement made of phosphating steel wire.
The optical cable that a kind of refractory heat-insulating ability the most according to claim 1 is strong, it is characterised in that: described oversheath (2)
For the oversheath being made up of PE.
The optical cable that a kind of refractory heat-insulating ability the most according to claim 1 is strong, it is characterised in that: described lubricating layer (1)
Inside it is filled with fine cream.
The optical cable that a kind of refractory heat-insulating ability the most according to claim 1 is strong, it is characterised in that: described fireprotection layer (9)
For the fireprotection layer being made up of AFR/12.
The optical cable that a kind of refractory heat-insulating ability the most according to claim 1 is strong, it is characterised in that: described thermal insulation layer (10)
For the thermal insulation layer being made up of mica tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360219.1A CN106094130A (en) | 2016-05-27 | 2016-05-27 | The optical cable that a kind of refractory heat-insulating ability is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360219.1A CN106094130A (en) | 2016-05-27 | 2016-05-27 | The optical cable that a kind of refractory heat-insulating ability is strong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106094130A true CN106094130A (en) | 2016-11-09 |
Family
ID=57230758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610360219.1A Withdrawn CN106094130A (en) | 2016-05-27 | 2016-05-27 | The optical cable that a kind of refractory heat-insulating ability is strong |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106094130A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526768A (en) * | 2016-11-29 | 2017-03-22 | 江苏亨通光电股份有限公司 | High-flame-resistant fireproof full-dry optical cable |
| CN107045172A (en) * | 2017-03-16 | 2017-08-15 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | It is a kind of it is light-duty can boundling optical cable of folding and unfolding and preparation method thereof repeatedly |
| CN108375817A (en) * | 2018-03-30 | 2018-08-07 | 江苏南方通信科技有限公司 | A kind of low-loss all dielectric lightweight cable |
| CN109581604A (en) * | 2018-12-26 | 2019-04-05 | 中航森瑞武汉新材料有限公司 | A kind of multi channel fiber cable bundle pipes |
-
2016
- 2016-05-27 CN CN201610360219.1A patent/CN106094130A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526768A (en) * | 2016-11-29 | 2017-03-22 | 江苏亨通光电股份有限公司 | High-flame-resistant fireproof full-dry optical cable |
| CN106526768B (en) * | 2016-11-29 | 2019-07-23 | 江苏亨通光电股份有限公司 | High fire-retardance fire resisting Full-dry optical cable |
| CN107045172A (en) * | 2017-03-16 | 2017-08-15 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | It is a kind of it is light-duty can boundling optical cable of folding and unfolding and preparation method thereof repeatedly |
| CN107045172B (en) * | 2017-03-16 | 2019-09-17 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | It is a kind of it is light-duty can folding and unfolding repeatedly boundling optical cable and preparation method thereof |
| CN108375817A (en) * | 2018-03-30 | 2018-08-07 | 江苏南方通信科技有限公司 | A kind of low-loss all dielectric lightweight cable |
| CN108375817B (en) * | 2018-03-30 | 2024-03-19 | 江苏南方通信科技有限公司 | Low-loss all-medium light optical cable |
| CN109581604A (en) * | 2018-12-26 | 2019-04-05 | 中航森瑞武汉新材料有限公司 | A kind of multi channel fiber cable bundle pipes |
| CN109581604B (en) * | 2018-12-26 | 2020-03-03 | 中航森瑞武汉新材料有限公司 | Multi-channel optical cable bundling tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161109 |