CN105938230A - Novel high-flame resistance optical cable - Google Patents
Novel high-flame resistance optical cable Download PDFInfo
- Publication number
- CN105938230A CN105938230A CN201610517906.XA CN201610517906A CN105938230A CN 105938230 A CN105938230 A CN 105938230A CN 201610517906 A CN201610517906 A CN 201610517906A CN 105938230 A CN105938230 A CN 105938230A
- Authority
- CN
- China
- Prior art keywords
- optical cable
- novel high
- cable
- glass fiber
- high fire
- 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.)
- Pending
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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
- G02B6/441—Optical cables built up from sub-bundles
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention relates to a novel high-flame resistance optical cable. The novel high-flame resistance optical cable of the invention comprises a cable core; the cable core comprises a plastic central reinforcing component, a plurality of loose bushings and a plurality of filling ropes; the loose bushings and the filling ropes are distributed around the plastic central reinforcing component; a plurality of optical fibers are arranged in each loose bushing; the cable core is coated with at least two layers of glass fiber tapes; gaps between the glass fiber tapes and the cable core are filled with water blocking cable paste; an aramid yarn layer is arranged outside the glass fiber tapes; and the aramid yarn layer is coated with a low-smoke halogen-free outer sheath. According to the novel high-flame resistance optical cable of the present invention, the linear expansion coefficient of the glass fiber-enhanced plastic central reinforcing component is small, so that the optical cable can bear a large tensile force; the optical cable is armored by the aramid yarns, and therefore, the tensile force of the optical cable can be increased, and the internal optical fibers can be protected, and the attenuation performance of the optical fibers can be improved; the cable core is coated with the multiple layers of glass fiber tapes, and the low-smoke halogen-free outer sheath is made of a high-flame resistance low-smoke halogen-free material, and therefore, the flame resistance of the optical cable can be improved through a variety of ways; and the optical cable is completely made of non-metallic materials and is of a all-dielectric structure, and therefore, the novel high-flame resistance optical cable is suitable for being laid in a harsh electromagnetic environment.
Description
Technical field
The present invention relates to a kind of optical cable for communication, particularly relate to a kind of novel high fire-retardance optical cable.
Background technology
Owing to fire incident takes place frequently in recent years, fire causes communications optical cable to be destroyed after occurring, and communication is easily
Interrupt；It addition, the occasion of some bad environments, high fire-retardance needs to carry out stable information communication；For
Ensure that stablizing of indoor and outdoor communication line is unimpeded, be badly in need of a kind of high flame retardant optical cable, meet the steady of communication
Fixed, it is to avoid cable signal interrupts.
The flame retardant effect that existing fire-retardant cable has is not ideal enough；The environment being suitable for having is more single, such as
Carry out fire-retardant with metal material, it is impossible to be used in electromagnetic environment；Have is easily damaged.
Because above-mentioned defect, the design people, the most in addition research and innovation, to founding a kind of novel knot
The novel high fire-retardance optical cable of structure, the life making people is more convenient.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide a kind of good flame retardation effect, applied range,
Shelf life length novel high fire-retardance optical cable.
The novel high fire-retardance optical cable of the present invention, including cable core, if described cable core includes plastic center reinforcement
Dry and soft sleeve pipe and some gasket for packings, described Loose tube and gasket for packing are distributed in the four of described plastic center reinforcement
In week, being provided with multifiber in described Loose tube, described cable core is coated with at least layer glass fiber band,
Being filled with the cable cream that blocks water between described glass fiber tape and cable core, described glass fiber tape is externally provided with aramid fiber layer,
Described aramid fiber layer is coated with low smoke and zero halogen oversheath.
Further, described plastic center reinforcement is made up of fiberglass reinforced plastics.
Further, the low smoke and zero halogen material that described low smoke and zero halogen oversheath is more than 30% by oxygen index (OI) is made.
Further, the summation of the number of described Loose tube and gasket for packing is 6.
Further, described Loose tube inner fiber is 6.
Further, described cable core outer cladding haves three layers glass fiber tape.
Further, the cross section of described plastic center reinforcement is the circle of diameter 2.0 millimeters.
Further, the cross section of described Loose tube and gasket for packing is the circle of diameter 1.8 millimeters.
By such scheme, the present invention at least has the advantage that fiberglass reinforced plastics center reinforcement
Linear expansion coefficient is little, can bear bigger pulling force, uses aramid yarn to carry out armouring simultaneously, increases cable pulling force,
Protection internal optical fiber, also improves the Decay Rate of optical fiber；Protect outside wrapped compound glass fiber band, low smoke and zero halogen
Set uses high flame retardant low-smoke halogen-free material, various ways, substantially increases fire resistance；All use non-gold
Belong to material, belong to all dielectric structure, it is adaptable to laying in harsh electromagnetic environment.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technology of the present invention
Means, and can being practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate attached
After figure describes in detail such as.
Accompanying drawing explanation
Fig. 1 is the structural representation of the novel high fire-retardance optical cable of the present invention.
In figure, 1: plastic center reinforcement；2: Loose tube；3: gasket for packing；4: optical fiber；5: glass fibers
Dimension band；6: block water cable cream；7: aramid fiber layer；8: low smoke and zero halogen oversheath.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.With
Lower embodiment is used for illustrating the present invention, but is not limited to the scope of the present invention.
Seeing Fig. 1, the one novel high fire-retardance optical cable of a preferred embodiment of the present invention, including cable core, cable core bag
Include 1,1 Loose tube 2 of fiberglass reinforced plastics center reinforcement and 5 gasket for packings 3, Loose tube and filling out
Filling rope uses SZ mode to be stranded in the surrounding of fiberglass reinforced plastics center reinforcement, is provided with in Loose tube
6 optical fiber 4, cable core outer cladding haves three layers glass fiber tape 5, is filled with resistance between glass fiber tape and cable core
Water cable cream 6, glass fiber tape armoured aramid fiber layer 7, aramid fiber layer is coated with oxygen index (OI) and is more than 30%
Low smoke and zero halogen oversheath 8, low smoke and zero halogen oversheath is by without halogen F, Cl, Br, I, At, the most leaded cadmium chromium
The sizing material of the surrounding materials such as hydrargyrum, the ep-type material that will not send toxic smog during burning is made, and makes optical cable have
Having fabulous fire resistance, the final external diameter of novel high fire-retardance optical cable is 10.2mm, and wherein, plastic center adds
The circle that cross section is diameter 2.0 millimeters of strong part, the cross section of Loose tube and gasket for packing is diameter 1.8 milli
The circle of rice.
The occasion that the present invention is applicable to nuclear power plant, high fire-retardance requires, carries out the transmission of high speed data, it is possible to
Meet resistance to daylight, heat-resisting, humidity, resistance to water logging, and high fire-retardance requirement, present disclosure additionally applies for outdoor
Underground has in slope and the underground pipe canal of draining, indoor sleeve pipe or crane span structure to be laid, and the present invention is all dielectric knot
Structure is also applicable to laying under harsh electromagnetic environment.
The above is only the preferred embodiment of the present invention, is not limited to the present invention, it is noted that
For those skilled in the art, on the premise of without departing from the technology of the present invention principle, also
Can make some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (8)
1. a novel high fire-retardance optical cable, including cable core, it is characterised in that: described cable core includes plastic center
Reinforcement, some Loose tube and some gasket for packings, described Loose tube and gasket for packing are distributed in described plastic center
The surrounding of reinforcement, is provided with multifiber in described Loose tube, described cable core is coated with at least two-layer glass
Glass fiber band, is filled with the cable cream that blocks water, described glass fiber tape peripheral hardware between described glass fiber tape and cable core
Aramid fiber layer, described aramid fiber layer is had to be coated with low smoke and zero halogen oversheath.
Novel high fire-retardance optical cable the most according to claim 1, it is characterised in that: described plastic center adds
Strong part is made up of fiberglass reinforced plastics.
Novel high fire-retardance optical cable the most according to claim 1 and 2, it is characterised in that: described low cigarette without
The low smoke and zero halogen material that halogen oversheath is more than 30% by oxygen index (OI) is made.
Novel high fire-retardance optical cable the most according to claim 3, it is characterised in that: described Loose tube and filling out
The summation of the number filling rope is 6.
Novel high fire-retardance optical cable the most according to claim 4, it is characterised in that: light in described Loose tube
Fibre is 6.
Novel high fire-retardance optical cable the most according to claim 5, it is characterised in that: described cable core outer cladding
Have three layers glass fiber tape.
Novel high fire-retardance optical cable the most according to claim 6, it is characterised in that: described plastic center adds
The circle that cross section is diameter 2.0 millimeters of strong part.
Novel high fire-retardance optical cable the most according to claim 7, it is characterised in that: described Loose tube and filling out
The cross section filling rope is the circle of diameter 1.8 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517906.XA CN105938230A (en) | 2016-07-01 | 2016-07-01 | Novel high-flame resistance optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517906.XA CN105938230A (en) | 2016-07-01 | 2016-07-01 | Novel high-flame resistance optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105938230A true CN105938230A (en) | 2016-09-14 |
Family
ID=56873421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610517906.XA Pending CN105938230A (en) | 2016-07-01 | 2016-07-01 | Novel high-flame resistance optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105938230A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842465A (en) * | 2016-12-27 | 2017-06-13 | 山东太平洋光纤光缆有限公司 | A kind of used in nuclear power station optical cable and preparation method thereof |
| CN109979647A (en) * | 2017-12-28 | 2019-07-05 | 镇江华尔科通信有限公司 | A kind of communication cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183830A (en) * | 2010-05-31 | 2011-09-14 | 四川汇源光通信有限公司 | Miniature twisted air-blowing optical cable with raised grain groove on surface and manufacture method thereof |
| US20130202262A1 (en) * | 2012-02-03 | 2013-08-08 | Daniel P. Haymore | Strength member system for fiber optic cable |
| CN203825262U (en) * | 2014-04-22 | 2014-09-10 | 沈阳亨通光通信有限公司 | Enhanced flame-retardant field cable |
| CN204009157U (en) * | 2014-05-22 | 2014-12-10 | 长飞光纤光缆四川有限公司 | A kind of layer stranded ADSS fiber optic cable |
-
2016
- 2016-07-01 CN CN201610517906.XA patent/CN105938230A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183830A (en) * | 2010-05-31 | 2011-09-14 | 四川汇源光通信有限公司 | Miniature twisted air-blowing optical cable with raised grain groove on surface and manufacture method thereof |
| US20130202262A1 (en) * | 2012-02-03 | 2013-08-08 | Daniel P. Haymore | Strength member system for fiber optic cable |
| CN203825262U (en) * | 2014-04-22 | 2014-09-10 | 沈阳亨通光通信有限公司 | Enhanced flame-retardant field cable |
| CN204009157U (en) * | 2014-05-22 | 2014-12-10 | 长飞光纤光缆四川有限公司 | A kind of layer stranded ADSS fiber optic cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842465A (en) * | 2016-12-27 | 2017-06-13 | 山东太平洋光纤光缆有限公司 | A kind of used in nuclear power station optical cable and preparation method thereof |
| CN106842465B (en) * | 2016-12-27 | 2019-10-25 | 山东太平洋光纤光缆有限公司 | A kind of used in nuclear power station optical cable and preparation method thereof |
| CN109979647A (en) * | 2017-12-28 | 2019-07-05 | 镇江华尔科通信有限公司 | A kind of communication cable |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160914 |