CN207895863U - A kind of flexible optical fibre composite submarine cable - Google Patents
A kind of flexible optical fibre composite submarine cable Download PDFInfo
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- CN207895863U CN207895863U CN201820146126.3U CN201820146126U CN207895863U CN 207895863 U CN207895863 U CN 207895863U CN 201820146126 U CN201820146126 U CN 201820146126U CN 207895863 U CN207895863 U CN 207895863U
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Abstract
A kind of flexible optical fibre composite submarine cable,Include positioned at four intermediate electric power cable cores,A piece communications optical cable and an aramid fiber reinforcing rib,And the filling polyurethane layer positioned at outer layer,Sheath,Aramid fiber braiding layer and polyurethane outer jacket,The center of the annular circle of electric power cable core and a communications optical cable composition described in four is arranged in aramid fiber reinforcing rib,Electric power cable core includes the 5th class oxygen-free copper flexible conductor successively from inside to outside,Butyronitrile PVC compounds insulating layer and proof copper-wire braided shielded layer,5th class oxygen-free copper flexible conductor is twisted by more tin plating annealed copper silks,Communications optical cable is internally provided with twelve-core optical fiber,The outer layer of the twelve-core optical fiber sets gradually stainless steel tube,PE sheaths and polyurethane sheath,Filling polyurethane layer is set between the sheath and electric power cable core and communications optical cable,It is good with water resistance,It is light-weight,Size is small,High-tensile is high,Softness is excellent,The features such as creep-resistant property is excellent.
Description
Technical field
The utility model is related to direct current cables technical fields, are specifically exactly a kind of flexible optical fibre composite submarine cable.
Background technology
With the deep implementation of the national development "Oceanic" strategy, the demand to ocean cable becomes more diverse, existing conventional knot
Structure extra large cable cannot be satisfied the need of flexible direct current power transmission under marine tide energy, wave energy generating set and other marine environment
It asks.Existing extra large cable has the following disadvantages：（1）Generally use lead sheath and wire armoring structure, the steel wire of this kind of structure and
Easily there is fatigue effect in long-time dynamic environment and is broken in lead sheath, and is not suitable for the dynamic sea such as tide and wave
In foreign environment；（2）The bent safety radius of existing extra large cable is 15 or 25 times of cable core diameters, and is sent out in tidal power or wave energy
In electric process, it is desirable that extra large cable bending radius is in 8 times of cable core diameters or even more a small range, to meet extra large cable in power generation process not
It can lead to line interruption because of overbending；（3）Design structure of the existing extra large cable because metal lead jacket is added, heavier-weight.And
Tide energy and wave-energy power generation are to obtain more kinetic energy, it is desirable that the dragging on power generator is reduced in power generation process to be influenced,
Therefore the extra large cable of metallic lead nested structure is not suitable for Wave energy generating system；（4）For the raising tensile strength of existing extra large cable, usually
Using the thick round steel wire sheathed structure of single-layer or multi-layer, this not only adds costs, it is often more important that increase product weight and
Size is brought difficult and inconvenient to Submarine Cable Laying and maintenance.
Invention content
It is directed to above-mentioned technical problem, the purpose of this utility model is to provide a kind of flexible optical fibre composite submarine cable,
The cable product is with water resistance is good, light-weight, size is small, high-tensile is high, softness is excellent, creep-resistant property is excellent
The features such as different, suitable for for wave energy, tidal power generation and other fluctuation or shake larger more frequent marine environment, can be make
Industry equipment provides reliable and stable power transmission and communication.
The technical solution adopted by the utility model to solve its technical problems is that：A kind of flexible optical fibre composite submarine cable,
Include positioned at intermediate four electric power cable cores, a communications optical cable and an aramid fiber reinforcing rib, and the polyurethane positioned at outer layer
The power cables described in four are arranged in filled layer, sheath, aramid fiber braiding layer and polyurethane outer jacket, the aramid fiber reinforcing rib
The center of the annular circle of core and communications optical cable composition, the electric power cable core include the 5th class successively from inside to outside without
Oxygen copper flexible conductor, butyronitrile-PVC compounds insulating layer and proof copper-wire braided shielded layer, the 5th class oxygen-free copper flexible conductor be by
More tin plating annealed copper silks are twisted, and the communications optical cable is internally provided with twelve-core optical fiber, the twelve-core light
Fine outer layer sets gradually stainless steel tube, PE sheaths and polyurethane sheath, the sheath and electric power cable core and communications optical cable
Between filling polyurethane layer is set, aramid fiber braiding layer, the aramid fiber braiding layer is arranged in the outer layer of the filling polyurethane layer
Polyurethane outer jacket is arranged in outer layer.
As an optimization, the aramid fiber reinforcing rib material is Kevlar29 or aramid fiber 141, and aramid fiber reinforcing rib passes through Shu Hehou
It is twisted again.
As an optimization, the butyronitrile-PVC compound insulating layer materials are polyvinyl chloride butyronitrile compound.
As an optimization, the greasy for preventing water of resistance effect is provided between 12 optical fiber.
As an optimization, two symmetrical steel wires are provided on the polyurethane sheath.
A kind of preparation method of flexible optical fibre composite submarine cable, includes the following steps：Using bundle strand machine by 28 0.4mm
It is thin circle copper free wire bundle strand outer diameter is twisted into the structure of 1+6 by frame winch at 2.57mm strands, then by 7 strands
The round conductor of 7.7mm；
Butyronitrile-PVC the compounds that extruder extrudes the round conductor of 7.7mm using plsitive mold 2.2mm are selected to insulate,
Obtain 4 insulated wire cores of 12.1mm；
Outside insulated core, proof copper-wire braided shielded layer is woven using braider, proof copper-wire braided shielded layer uses 160
The copper wire of 0.2mm is woven, count 57.6%, and outer diameter is 12.9mm after braiding, obtains electric power cable core；
The high-tensile aramid fiber reinforcing rib of central filler be become 3.1mm strands using 42 aramid fiber bundle strands, then
7 strands are become into 9.3mm aramid fiber reinforcing ribs so that the structure of 1+6 is twisted；
By 4 electric power cores, 1 communications optical cable carries out stranding and is twisted, during aramid fiber reinforcing rib is placed on as interstitital texture
Between position formed 34.8mm circle cable cores；
Extruder is selected to extrude filled layer and sheath, extrusion die to round cable core using extrusion die outside round cable core
The line footpath of holding of tool die sleeve is 25mm, and the spacing between mold core and die sleeve is 10mm-15mm, and the core outer diameter after extruding is
38.8mm；
Then aramid fiber braiding layer is woven on the round cable core after inner sheath, and two aramid fiber bundle strands are become into a virtue
4 aramid fiber muscle doublings after bundle strand are woven into round cable core by synthetic fibre muscle to braider draw drum, then via 32 ingot braiders, altogether
With 256 aramid fibers, count obtains the round cable core that outer diameter is 39.4mm between 50%-70%；
Round cable core after being woven to aramid fiber carries out polyether polyurethane oversheath extrusion, uses heating device to compiling first
Round cable core after knitting is heated, and aramid fiber surface temperature controls between 40 DEG C -60 DEG C after heating, is then squeezed out
Operation, extrusion die select plsitive mold, obtain composite submarine cable.
The utility model has the beneficial effects that：Compared with prior art, a kind of flexible optical fibre compounding sea of the utility model
Bottom cable, it is dynamic underwater that there is the optical fiber composite sea cable in the utility model high-tensile, whole softness can be suitable for
In environment, because only there are two types of metal materials in entire cable, so light weight, lower eddy-current loss and magnetic hystersis loss, transmission of electricity effect
Rate is high, and is also equipped with optical communication capabilities.
Description of the drawings
Fig. 1 is the utility model overall construction drawing；
Wherein, the 1, the 5th class oxygen-free copper flexible conductor, 2, butyronitrile-PVC compound insulating layers, 3, proof copper-wire braided shielded layer, 4,
Twelve-core optical fiber, 5, stainless steel tube, 6, polyurethane sheath, 7, aramid fiber reinforcing rib, 8, filling polyurethane layer, 9, sheath, 10, virtue
Synthetic fibre braiding layer, 11, polyurethane outer jacket.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without creative efforts belongs to the model of the utility model protection
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The invention product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and simplification retouched
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it should not be understood as limiting the present invention.It is retouched in addition, term " first ", " second ", " third " etc. are only used for distinguishing
It states, is not understood to indicate or imply relative importance.
Embodiment 1
A kind of flexible optical fibre composite submarine cable includes positioned at four intermediate electric power cable cores, a communications optical cable and one
Root aramid fiber reinforcing rib 7, and the filling polyurethane layer 8 positioned at outer layer, sheath 9, aramid fiber braiding layer 10 and polyurethane outer jacket
11, the center of the annular circle of electric power cable core and a communications optical cable composition described in four is arranged in the aramid fiber reinforcing rib 7
Position, the electric power cable core include the 5th class oxygen-free copper flexible conductor 1, butyronitrile-PVC compounds insulating layer 2 successively from inside to outside
With proof copper-wire braided shielded layer 3, the 5th class oxygen-free copper flexible conductor 1 is twisted by more tin plating annealed copper silks, institute
The communications optical cable stated is internally provided with twelve-core optical fiber 4, the outer layer of the twelve-core optical fiber 4 be disposed with stainless steel tube 5,
Filling polyurethane layer 8, institute is arranged in PE sheaths and polyurethane sheath 6 between the sheath 9 and electric power cable core and communications optical cable
The outer layer setting aramid fiber braiding layer 10 for the filling polyurethane layer 8 stated, 10 outer layer of aramid fiber braiding layer, which is arranged outside polyurethane, to be protected
Layer 11.
The electric power cable core is direct current 2kV electric power cable cores, and direct current 2kV electric power cable cores include the 5th class oxygen-free copper flexible conductor
With butyronitrile-PVC compounds insulating layer, the proof copper-wire braided shielded layer being set in turn in outside the 5th class soft copper conductor.
5th class oxygen-free copper flexible conductor is tin plating by more, annealed copper silk is twisted, and is used for transmission electric current, Neng Goucheng
By certain mechanical tensile forces, soft texture improves cable dynamic convenient for bending while can reducing the permission bending radius of cable
Service life in state seawater fluctuating environment.
Using butyronitrile-PVC compounds insulating layer as insulating layer, there is splendid extrusion processing technology, finished product cable is made to have
There are excellent lower temperature resistance and flexibility.
Proof copper-wire braided shielded layer is knitted to form metal screen layer using soft copper silk, improves the capacity of short circuit of extra large cable.
Communications optical cable is made of twelve-core optical fiber, greasy for preventing water, stainless steel tube, polyurethane sheath successively from inside to outside.
The communications optical cable is used for transmission signal, with electric power cable core close-packed arrays at a circumference, optimizes the stabilization of cable core
Property layout.
The aramid fiber reinforcing rib of the high-tensile is by aramid fiber Kevlar29 or 141 synnema of aramid fiber through strands
It forms, is main load component.
Core is " multilayer polyurethane is filled and sheath+high intensity aramid fiber braiding layer " invention design, multilayer polyurethane
Filling and sheath counter structure have polyurethane sheath, filling polyurethane layer, polyurethane sheath, polyurethane outer jacket successively, gather
Urethane material be it is a kind of there are high intensity, tear-proof, low temperature resistant, wear-resisting environment-friendly materials, the entirety for meeting dynamic cable blocks water, is low
Performance requirements, the high intensity aramid fiber braiding layers such as temperature, bending are formed by aramid fiber is woven, and torsion force can be born, and are protected
Shield cable core and communications optical cable, the aramid fiber reinforcing rib with center-filled improve the whole tension of cable together as main load component
Intensity.
To ensure lightweight, high-tensile, excellent flexibility, resistance to bend(ing) energy and the essential water proofing property of the product
Can, the selection of metal material is reduced in extra large cable overall structure, in addition to conductor material be in oxygen-free copper and communications optical cable not
Steel pipe sheath become rusty outside again without other any metal materials.
For cable still stable operation under high-tensile strength effect, center-filled is reinforced using the aramid fiber of high-tensile
Muscle, the reinforcing rib are twisted again through Shu Hehou, have both certain elasticity, the aramid fiber again while not weakening tensile strength
Fiber is Kevlar29 or aramid fiber 141.
Such setting purpose be middle reinforced rib become main load component, can be effectively protected electric power cable core and
Communications optical cable.
In order to improve the flexibility and resistance to bend(ing) energy of composite submarine cable, conductor uses the 5th class conductor, insulating materials to use
Polyvinyl chloride butyronitrile compound.
In order to effectively improve the block-water performance of cable, using special extrusion die by the polyurethane material of melting in high pressure
It is squeezed under force effect in the gap of cable core, whole longitudinally and radially block-water performance after whole cable core integration is made to significantly improve.
Filling polyurethane and sheath a step in extrusion process are completed.
The aramid fiber braiding layer, which is that aramid fiber is woven, to be formed, first, can become when cable is by torsion force
Load-carrying construction is to protect electric power cable core and communications optical cable, second is that the entirety that the aramid fiber reinforcing rib of cooperation center-filled improves cable is anti-
Tensile strength is not pulled off third, playing main load component after the aramid fiber reinforcing rib failure of center-filled and carrying out secondary cable,
Fourth, with the bonding integral strength for improving sheath of the polyurethane sheath of internal layer, outer layer, aramid fiber is Kevlar29 or aramid fiber
141。
The polyurethane outer jacket is to select to have very excellent sea water resistance and anti-hydrolytic performance, fabulous toughness, wear-resisting
Property, the polyether polyurethane material of oil resistivity, low temperature flexibility, elasticity and thermal stability, by extruder is extruded
At.Outside with the distinctive characteristic of elastomer, also have both excellent water resistance.
Embodiment 2
A kind of preparation method of flexible optical fibre composite submarine cable
The thin circle copper free wire bundle strand of 28 0.4mm is passed through by frame at 2.57mm strands, then by 7 strands using bundle strand machine
Winch is twisted into the round conductor of outer diameter 7.7mm with the structure of 1+6.
120 type extruders are selected to extrude the butyronitrile-PVC compounds of 2.2mm to the round conductor of 7.7mm using plsitive mold
Insulation, obtains 4 insulated wire cores of 12.1mm.
Outside insulated core, braider braided metal shielded layer is used.Metal screen layer uses the copper wire of 160 0.2mm
It is woven, count 57.6%, outer diameter is 12.9mm after braiding.
The high-tensile aramid fiber reinforcing rib of central filler be become 3.1mm strands using 42 aramid fiber bundle strands, then
7 strands are become into 9.3mm aramid fiber reinforcing ribs so that the structure of 1+6 is twisted.
By 4 insulated wire cores, 1 optical cable unit carries out stranding and is twisted, during aramid fiber reinforcing rib is placed on as interstitital texture
Between position formed 34.8mm circle cable cores.
In order to which cable has high water resistance energy, select 150 type extruders using extrusion die to cable core outside round cable core
Extrude filled layer and sheath.Set the line footpath of holding of die sleeve to 25mm in Extrusion Die Design, in production by mold core and
In 10-15mm, the urethane jacking to squeeze out has higher pressure pressure, can be sufficient for spacing setting between die sleeve
It is filled into cable core.Core outer diameter after extruding is 38.8mm.
Aramid fiber pulling force sheath is woven on cable core after inner sheath, and two aramid fiber bundle strands are now become into an aramid fiber
Muscle is woven by 4 aramid fiber muscle doublings to braider draw drum after bundle strand, then via 32 ingot braiders on cable core, is shared
256 aramid fibers, counts obtain the cable core that outer diameter is 39.4mm between 50%-70%.Air is used in production process
Splicer connects aramid fiber.
Cable core after being woven to aramid fiber carries out polyether polyurethane oversheath extrusion, needs configuration heating device pair before manufacture
Cable core after braiding is heated, first, the moisture in aramid fiber is removed, second is that increasing the bonding of aramid fiber and polyurethane sheath
Power, aramid fiber surface temperature control between 40 DEG C -60 DEG C.Extrusion die selects plsitive mold, urethane jacking to want
The effective gap for filling up aramid fiber.The advantageous effect so done is 1, increases the bonding of inside and outside urethane interlayer
Power.2, the tension of raising aramid fiber sheath, anti-twisting property are to improve the whole non-deformability of cable.3, it effectively prevents
Aramid fiber braided layer breakage is to improve the overall performance of cable.It is 47.2mm to extrude the cable finished product outer diameter after outer jacket.
Above-mentioned specific implementation mode is only the specific case of the utility model, and the scope of patent protection of the utility model includes
But it is not limited to the product form and style of above-mentioned specific implementation mode, it is any to meet the utility model and any technical field
Those of ordinary skill's appropriate changes or modifications that it is done, should all fall into the scope of patent protection of the utility model.
Claims (5)
1. a kind of flexible optical fibre composite submarine cable, it is characterised in that：Include positioned at four intermediate electric power cable cores, a communication
Optical cable and an aramid fiber reinforcing rib（7）, and positioned at the filling polyurethane layer of outer layer（8）, sheath（9）, aramid fiber braiding layer
（10）With polyurethane outer jacket（11）, the aramid fiber reinforcing rib（7）Electric power cable core described in four and a communication are set
The center of the annular circle of optical cable composition, the electric power cable core include the 5th class oxygen-free copper flexible conductor successively from inside to outside
（1）, butyronitrile-PVC compound insulating layers（2）With proof copper-wire braided shielded layer（3）, the 5th class oxygen-free copper flexible conductor（1）It is
It is twisted by more tin plating annealed copper silks, the communications optical cable is internally provided with twelve-core optical fiber（4）, described 12
Core fibre（4）Outer layer set gradually stainless steel tube（5）, PE sheaths and polyurethane sheath（6）, the sheath（9）With electricity
Filling polyurethane layer is set between power cable core and communications optical cable（8）, the filling polyurethane layer（8）Outer layer setting aramid fiber compile
Tissue layer（10）, the aramid fiber braiding layer（10）Polyurethane outer jacket is arranged in outer layer（11）.
2. a kind of flexible optical fibre composite submarine cable according to claim 1, it is characterised in that：The aramid fiber reinforcing rib
（7）Material is Kevlar29 or aramid fiber 141, and aramid fiber reinforcing rib 7 is twisted again by Shu Hehou.
3. a kind of flexible optical fibre composite submarine cable according to claim 1, it is characterised in that：Butyronitrile-the PVC is multiple
Close object insulating layer（2）Material is polyvinyl chloride butyronitrile compound.
4. a kind of flexible optical fibre composite submarine cable according to claim 1, it is characterised in that：12 optical fiber
（4）Between be provided with the greasy for preventing water of resistance effect.
5. a kind of flexible optical fibre composite submarine cable according to claim 1, it is characterised in that：The polyurethane sheath
（6）On be provided with two symmetrical steel wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820146126.3U CN207895863U (en) | 2018-01-29 | 2018-01-29 | A kind of flexible optical fibre composite submarine cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820146126.3U CN207895863U (en) | 2018-01-29 | 2018-01-29 | A kind of flexible optical fibre composite submarine cable |
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| CN207895863U true CN207895863U (en) | 2018-09-21 |
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| CN201820146126.3U Active CN207895863U (en) | 2018-01-29 | 2018-01-29 | A kind of flexible optical fibre composite submarine cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108074657A (en) * | 2018-01-29 | 2018-05-25 | 万达集团股份有限公司 | A kind of flexible optical fibre composite submarine cable and preparation method thereof |
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2018
- 2018-01-29 CN CN201820146126.3U patent/CN207895863U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108074657A (en) * | 2018-01-29 | 2018-05-25 | 万达集团股份有限公司 | A kind of flexible optical fibre composite submarine cable and preparation method thereof |
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