CN209433074U - A kind of fire resistant flame retardant waterproof flexible optical cable - Google Patents
A kind of fire resistant flame retardant waterproof flexible optical cable Download PDFInfo
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- CN209433074U CN209433074U CN201822212873.5U CN201822212873U CN209433074U CN 209433074 U CN209433074 U CN 209433074U CN 201822212873 U CN201822212873 U CN 201822212873U CN 209433074 U CN209433074 U CN 209433074U
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Abstract
The utility model discloses a kind of fire resistant flame retardant waterproof flexible optical cables, and main points are: including optical fiber, packing, center reinforcemen, the first wrapping layer, the first armor, restrictive coating, the second wrapping layer, the second armor, third wrapping layer and oversheath.Optical fiber has four.Packing has four.The diameter of packing is greater than 0.1 to 0.3 millimeter of diameter of optical fiber.Center reinforcemen is made of glass-reinforced plastic material.Each optical fiber and each packing are successively staggered, and each optical fiber and each packing surround center reinforcemen twisted synthesizing cable.First wrapping layer is arranged in outside the optical fiber and packing of stranding.First armor is by aluminium strip longitudinal wrap outside the first wrapping layer.Restrictive coating is extruded in outside the first armor by thermosetting property low-smoke non-halogen flame-retardant rubber compound.Second wrapping layer is by low-smoke non-halogen flame-retardant band outside restrictive coating.Second armor is woven in outside the second wrapping layer by zinc-coated wire.Third wrapping layer is arranged outside the second armor.Oversheath is extruded in outside third wrapping layer by thermosetting property low-smoke non-halogen flame-retardant rubber compound.
Description
Technical field
The utility model relates to power cable technical field, specifically a kind of fire resisting resistance in ship and marine settings
Fire waterproof flexible optical cable.
Background technique
With the increase of earth population and the raising of human life quality, more natural resources is needed to meet the mankind
Production and life needs, so as to cause the exhaustive exploitation of land resource, energy crisis becomes increasingly conspicuous, energy problem oneself through at
For one of several key problems of 21st century.Ocean is covered with 2/3rds areas of the earth, wherein containing a large amount of
Solid mineral resource and petroleum resources, it by be human survival and development maximum resource supplier.Ship and marine industry are gone through
Being considered as the industry of high-tech, high added value.Optical cable is since its is light-weight, bandwidth, low, strong antijamming capability etc. is lost
Advantage, optical cable have obtained very extensive application in all trades and professions by land.Optical cable in ship and marine settings due to by
Space and use environment limitation, so being also far from being applied well.And fire once occurs, it is to be ensured that optical fiber light
Cable will not discharge a large amount of poisonous and harmful smog, but also communication to be kept constantly to obtain more for rescue in a very long time
Multi information strives for more chances.
Utility model content
The purpose of the utility model is to provide a kind of structure is simple, being applicable in the laying and wiring and marine settings of ship makes
Fire resistant flame retardant waterproof flexible optical cable.
Realizing the basic technical scheme of the utility model aim is: a kind of fire resistant flame retardant waterproof flexible optical cable, design feature
It is: including optical fiber, packing, center reinforcemen, the first wrapping layer, the first armor, restrictive coating, the second wrapping layer, the second armour
Fill layer, third wrapping layer and oversheath.
Optical fiber has four.Packing has four.The diameter of packing is greater than 0.1 to 0.3 millimeter of diameter of optical fiber.
Center reinforcemen is made of glass-reinforced plastic material.Each optical fiber and each packing are successively staggered, each optical fiber and each
Packing surrounds center reinforcemen twisted synthesizing cable.
First wrapping layer is arranged in outside the optical fiber and packing of stranding.
First armor is by aluminium strip longitudinal wrap outside the first wrapping layer.
Restrictive coating is extruded in outside the first armor by thermosetting property low-smoke non-halogen flame-retardant rubber compound.
Second wrapping layer is by low-smoke non-halogen flame-retardant band outside restrictive coating.
Second armor is woven in outside the second wrapping layer by zinc-coated wire.
Third wrapping layer is arranged outside the second armor.
Oversheath is extruded in outside third wrapping layer by thermosetting property low-smoke non-halogen flame-retardant rubber compound.
Technical solution based on above-mentioned basic technical scheme is: the structure of four optical fiber is identical.Each optical fiber includes
Single mode optical fiber and the second optical fiber jacket.Second optical fiber jacket is extruded in single mode optical fiber using low-smoke halide-free fireproof composite polyolefine material
Outside sheath.
Technical solution based on above-mentioned corresponding technical solution is: each packing is low cigarette, Halogen, fire-retardant foaming
Gasket for packing made of polyolefine material.
Technical solution based on above-mentioned each corresponding technical solution is: aramid fiber yarn is used between each optical fiber and each packing
Structure filling is directly dragged to form waterproof reinforced layer with water blocking yarn.
Technical solution based on above-mentioned each corresponding technical solution is: the first wrapping layer has four layers.Four layers from the inside to the outside
It is followed successively by the first polyester layer, nonwoven layer, mica belt and the second polyester layer.
First polyester layer is tiltedly wrapped outside the optical fiber and packing of stranding by two terylene.
Nonwoven layer is by non-woven fabrics longitudinal wrap outside the first polyester layer.
Mica belt is by Mica tape outside nonwoven layer.
Second polyester layer is tiltedly wrapped outside mica belt by two terylene.
Technical solution based on above-mentioned each corresponding technical solution is: third wrapping layer includes the second nonwoven layer and the
Two Halogen belts.Second nonwoven layer is by non-woven fabrics longitudinal wrap outside the second armor.
Second Halogen belt is by low-smoke non-halogen flame-retardant band outside the second nonwoven layer.
The utility model has the effect of positive: (1) the fire resistant flame retardant waterproof soft light cable structure of the utility model is simple, drop
The weight and volume of conventional transmission cable used in low ship can reduce the weight of ship ship since optical cable is light-weight, while with
Cable is compared, and the outer diameter of optical cable is much smaller (small in size), is used in the laying and wiring and marine settings suitable for ship.Warship
Optical cable peculiar to vessel is limited by small space on naval vessel, and when laying is frequently necessary to be bent and pull, the light of the optical cable of the utility model
Fibre uses counter-bending insensitive optical fiber, and outside second optical fiber jacket made of one layer of extrusion molding soft material guarantees the soft of optical cable
It is soft, be conducive to optical cable bending and pull, the second optical fiber jacket uses low-smoke halide-free fireproof composite polyolefine material, has low cigarette, nothing
The characteristics such as halogen, low toxicity, are safe from harm to human body and equipment.
(2) the fire resistant flame retardant waterproof flexible optical cable of the utility model includes four single mode optical fibers and four packings, each light
Fine and each packing is successively staggered, and each optical fiber and each packing surround center reinforcemen twisted synthesizing cable, and packing can make line
Cable more rounding, and the diameter of packing is greater than the diameter of optical fiber, is conducive to protect optical fiber, while being conducive to fibre-optical bending,
Improve laying quality.
(3) aramid fiber yarn and resistance are used between each optical fiber and each packing of the fire resistant flame retardant waterproof flexible optical cable of the utility model
Water yarn directly drags structure filling to form waterproof reinforced layer, substitutes traditional greasy for preventing water, the permeability performance of optical cable can be effectively ensured,
The combustible in structure can be reduced again, while improving the tensile capacity of optical cable, be conducive to pull, this dry fiber optic cables (namely be free of
Greasy for preventing water) production and construction, welding, maintenance use when can effectively reduce environmental pollution.
(4) the first wrapping layer of the fire resistant flame retardant waterproof flexible optical cable of the utility model use four-layer structure, four layers by it is interior extremely
It is followed successively by the first polyester layer, nonwoven layer, mica belt and the second polyester layer outside, that is, improves the tensile capacity of optical cable, and mention
The high refractory ability of optical cable.
(5) the first armor of the fire resistant flame retardant waterproof flexible optical cable of the utility model is by aluminium strip longitudinal wrap in the first wrapping layer
Outside, convenient for bending, also have the function of that certain anti-rodent bites, improve the safety of optical cable.
(6) restrictive coating of the fire resistant flame retardant waterproof flexible optical cable of the utility model is squeezed by thermosetting property low-smoke non-halogen flame-retardant rubber compound
For packet outside the first armor, use temperature range is wide (- 55~150 DEG C), and fastness is good, has good elasticity, oil resistivity and resistance to
Chemically, be conducive to use on laying and wiring and marine settings on ship.
(7) the second wrapping layer of the fire resistant flame retardant waterproof flexible optical cable of the utility model is by low-smoke non-halogen flame-retardant band around shield
Outside jacket layer, the fire resistance of optical cable is further improved.
(8) the second armor of the optical cable of the utility model makes light by zinc-coated wire braiding armouring outside the second wrapping layer
Cable have excellent tensile property, zinc-coated wire armor can also anti-rodent bite, further improve the peace of optical cable
Quan Xing.
(9) optical cable of the utility model is additionally provided with third wrapping layer, and third wrapping layer includes the second nonwoven layer and second
Halogen belt further improves the fire resistance of optical cable, while being conducive to the second armor of shield and being not easy to be etched destruction.
(10) oversheath of the fire resistant flame retardant waterproof flexible optical cable of the utility model is by thermosetting property low-smoke non-halogen flame-retardant rubber compound
Be extruded in outside third wrapping layer, use temperature range is wide (- 55~150 DEG C), fastness is good, have good elasticity, oil resistivity and
Chemical resistance is conducive to use on laying and wiring and marine settings on ship.
(11) poisonous and harmful smog will not be discharged when the optical cable of the utility model encounters fire, can extend fire and optical fiber is caused brokenly
The bad time, it is ensured that be able to maintain communication in a very long time constantly, obtain more information for rescue, strive for more chances.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the fire resistant flame retardant waterproof flexible optical cable of the utility model.
Label in above-mentioned attached drawing is as follows:
Optical fiber 1,
Packing 2,
Center reinforcemen 3,
First wrapping layer 4, the first polyester layer 4-1, nonwoven layer 4-2, mica belt 4-3, the second polyester layer 4-4,
First armor 5,
Restrictive coating 6,
Second wrapping layer 7,
Second armor 8,
Third wrapping layer 9, the second nonwoven layer 9-1, the second Halogen belt 9-2,
Oversheath 10,
Waterproof reinforced layer 11.
Specific embodiment
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail.
(embodiment 1)
See that Fig. 1, the fire resistant flame retardant waterproof flexible optical cable of the utility model include optical fiber 1, packing 2, center reinforcemen 3,
One wrapping layer 4, the first armor 5, restrictive coating 6, the second wrapping layer 7, the second armor 8, third wrapping layer 9 and oversheath 10.
Optical fiber 1 has four, and the structure of four optical fiber 1 is identical.Each optical fiber 1 includes that single mode optical fiber 1-1 and the second optical fiber protect
Cover 1-2.Single mode optical fiber 1-1 uses the counter-bending insensitive optical fiber G657A2 of low-loss, and loss is low, decaying is small.Second optical fiber shield
Set 1-2 is extruded in outside the sheath of single mode optical fiber 1-1 using low-smoke halide-free fireproof composite polyolefine material.
Packing 2 has four, and the structure of four packings 2 is identical.The diameter of packing 2 be greater than optical fiber 1 diameter 0.1 to
0.3 millimeter.Each packing 2 is low cigarette, Halogen, gasket for packing made of fire-retardant expanded polyolefin material.
Center reinforcemen 3 is made of glass reinforced plastic (FRP) material.Each optical fiber 1 and each packing 2 are successively staggered, respectively
Optical fiber 1 and each packing 2 surround 3 twisted synthesizing cable of center reinforcemen.Aramid fiber yarn and resistance are used between each optical fiber 1 and each packing 2
Water yarn directly drags structure filling to form waterproof reinforced layer 11.
First wrapping layer 4 has four layers.Four layers are followed successively by the first polyester layer 4-1, nonwoven layer 4-2, mica tape from the inside to the outside
Layer 4-3 and the second polyester layer 4-4.
First polyester layer 4-1 is tiltedly wrapped outside the optical fiber 1 and packing 2 of stranding by two terylene.
Nonwoven layer 4-2 is by non-woven fabrics longitudinal wrap outside the first polyester layer 4-1.The width of non-woven fabrics is 20 to 40 millimeters, this
Embodiment is 25 millimeters, and with a thickness of 0.2 to 0.3 millimeter, the present embodiment is 0.22 millimeter.
For mica belt 4-3 by Mica tape outside nonwoven layer 4-2, wrapped overlap rate is not less than 50%.
Second polyester layer 4-4 is tiltedly wrapped outside mica belt 4-3 by two terylene.
First armor 5 is by aluminium strip longitudinal wrap outside the second polyester layer 4-4.The width of aluminium strip is 20 to 40 millimeters, this implementation
Example is 25 millimeters, and with a thickness of 0.12 to 0.25 millimeter, the present embodiment is 0.18 millimeter, and overlap rate is not less than 30%.
Restrictive coating 6 is extruded in outside the first armor 5 by thermosetting property low-smoke non-halogen flame-retardant rubber compound.
Second wrapping layer 7 is by low-smoke non-halogen flame-retardant band outside restrictive coating 6.The broadband of low-smoke non-halogen flame-retardant band be 25 to
40 millimeters, the present embodiment is 33 millimeters, and with a thickness of 0.2 to 0.3 millimeter, the present embodiment is 0.25 millimeter, and wrapped overlap rate is not small
In 50%.
Second armor 8 is woven in outside the second wrapping layer 7 by zinc-coated wire.
Third wrapping layer 9 includes the second nonwoven layer 9-1 and the second Halogen belt 9-2.Second nonwoven layer 9-1 is by nonwoven
Cloth longitudinal wrap is outside the second armor 8.The width of non-woven fabrics be 20 to 40 millimeters, the present embodiment be 25 millimeters, with a thickness of 0.2 to
0.3 millimeter, the present embodiment is 0.22 millimeter.
Second Halogen belt 9-2 is by low-smoke non-halogen flame-retardant band outside the second nonwoven layer 9-1.Low-smoke non-halogen flame-retardant band
Broadband be 25 to 40 millimeters, the present embodiment is 33 millimeters, and with a thickness of 0.2 to 0.3 millimeter, the present embodiment is 0.25 millimeter, around
Packet overlap rate is not less than 50%.
Oversheath 10 is extruded in outside the second Halogen belt 9-2 by thermosetting property low-smoke non-halogen flame-retardant rubber compound.
Above embodiments are only for illustration of the utility model, rather than limitations of the present invention, related technical field
Technical staff in the case where not departing from the spirit and scope of the utility model, various transformation and variation can also be made, have
It can also be transformed accordingly according to the inspiration of above-described embodiment in body application process, therefore all equivalent technical solutions are equal
It should be included within the scope of patent protection of the utility model.
Claims (6)
1. a kind of fire resistant flame retardant waterproof flexible optical cable, it is characterised in that: including optical fiber, packing, center reinforcemen, first wrapped
Layer, the first armor, restrictive coating, the second wrapping layer, the second armor, third wrapping layer and oversheath；
Optical fiber has four；Packing has four；The diameter of packing is greater than 0.1 to 0.3 millimeter of diameter of optical fiber；
Center reinforcemen is made of glass-reinforced plastic material；Each optical fiber and each packing are successively staggered, each optical fiber and each filling
Item surrounds center reinforcemen twisted synthesizing cable；
First wrapping layer is arranged in outside the optical fiber and packing of stranding；
First armor is by aluminium strip longitudinal wrap outside the first wrapping layer；
Restrictive coating is extruded in outside the first armor by thermosetting property low-smoke non-halogen flame-retardant rubber compound；
Second wrapping layer is by low-smoke non-halogen flame-retardant band outside restrictive coating；
Second armor is woven in outside the second wrapping layer by zinc-coated wire；
Third wrapping layer is arranged outside the second armor；
Oversheath is extruded in outside third wrapping layer by thermosetting property low-smoke non-halogen flame-retardant rubber compound.
2. fire resistant flame retardant waterproof flexible optical cable according to claim 1, it is characterised in that: the structure of four optical fiber is identical；Respectively
Optical fiber includes single mode optical fiber and the second optical fiber jacket；Second optical fiber jacket is extruded using thermosetting property low-smoke non-halogen flame-retardant rubber compound
Outside the sheath of single mode optical fiber.
3. fire resistant flame retardant waterproof flexible optical cable according to claim 1, it is characterised in that: each packing be low cigarette, Halogen,
Gasket for packing made of fire-retardant expanded polyolefin material.
4. according to claim 1 to fire resistant flame retardant waterproof flexible optical cable described in one of 3, it is characterised in that: each optical fiber and each filling
Structure filling is directly dragged to form waterproof reinforced layer using aramid fiber yarn and water blocking yarn between item.
5. according to claim 1 to fire resistant flame retardant waterproof flexible optical cable described in one of 3, it is characterised in that: the first wrapping layer has four
Layer；Four layers are followed successively by the first polyester layer, nonwoven layer, mica belt and the second polyester layer from the inside to the outside；
First polyester layer is tiltedly wrapped outside the optical fiber and packing of stranding by two terylene；
Nonwoven layer is by non-woven fabrics longitudinal wrap outside the first polyester layer；
Mica belt is by Mica tape outside nonwoven layer；
Second polyester layer is tiltedly wrapped outside mica belt by two terylene.
6. according to claim 1 to fire resistant flame retardant waterproof flexible optical cable described in one of 3, it is characterised in that: third wrapping layer includes
Second nonwoven layer and the second Halogen belt；Second nonwoven layer is by non-woven fabrics longitudinal wrap outside the second armor；
Second Halogen belt is by low-smoke non-halogen flame-retardant band outside the second nonwoven layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822212873.5U CN209433074U (en) | 2018-12-26 | 2018-12-26 | A kind of fire resistant flame retardant waterproof flexible optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822212873.5U CN209433074U (en) | 2018-12-26 | 2018-12-26 | A kind of fire resistant flame retardant waterproof flexible optical cable |
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| Publication Number | Publication Date |
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| CN209433074U true CN209433074U (en) | 2019-09-24 |
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| CN201822212873.5U Active CN209433074U (en) | 2018-12-26 | 2018-12-26 | A kind of fire resistant flame retardant waterproof flexible optical cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589461A (en) * | 2021-08-16 | 2021-11-02 | 杭州奥克光电设备有限公司 | High-temperature-resistant flame-retardant armored optical cable and preparation method thereof |
| US20230086082A1 (en) * | 2020-06-01 | 2023-03-23 | Commscope Technologies Llc | Mechanical performance of optical stranded cables |
-
2018
- 2018-12-26 CN CN201822212873.5U patent/CN209433074U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230086082A1 (en) * | 2020-06-01 | 2023-03-23 | Commscope Technologies Llc | Mechanical performance of optical stranded cables |
| CN113589461A (en) * | 2021-08-16 | 2021-11-02 | 杭州奥克光电设备有限公司 | High-temperature-resistant flame-retardant armored optical cable and preparation method thereof |
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