CN110415881A - The multi-functional compound island power cable of one kind and its manufacturing process - Google Patents
The multi-functional compound island power cable of one kind and its manufacturing process Download PDFInfo
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- CN110415881A CN110415881A CN201910771993.5A CN201910771993A CN110415881A CN 110415881 A CN110415881 A CN 110415881A CN 201910771993 A CN201910771993 A CN 201910771993A CN 110415881 A CN110415881 A CN 110415881A
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/26—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances asphalts; bitumens; pitches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/48—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/24—Devices affording localised protection against mechanical force or pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/26—Reduction of losses in sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/003—Power cables including electrical control or communication wires
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a kind of multi-functional compound island power cable and its manufacturing process, section is hung including sea bed direct-burried section, land direct-burried section, seashore, the protective layer that the seashore suspension section connection sea bed direct-burried section and the land direct-burried section further include cable core and are set to outside the cable core；Wherein, the cable core includes at least one insulated wire cores and at least one buffer-type tension unit.The present invention lays environment according to direct-burried, the suspension of seashore section, island land section direct-burried difference under sea bed, cable is divided into land direct-burried section, seashore suspension section, sea bed direct-burried section three-stage difference safeguard structure, the design of differentiation structure is segmented by a cable design, meet the requirement of different laying environment, the adaptability of cable under various circumstances is improved, has the advantages that tension resistance shock resistance antidetonation waterproof and oilproof antiultraviolet insect prevention mouse.The buffer-type tension unit of setting simultaneously, plays the role of the effect of the buffering and bearing capacity under extra strength impact tension in short-term.
Description
Technical field
The present invention relates to a kind of tension, resistance to compression, shock resistance, antidetonation, Water-proof and oil-proof, antiultraviolet, insect prevention mouse it is multi-functional
Compound island power cable and its manufacturing process.
Background technique
China is an ocean big country, possesses more than 300 ten thousand square kilometres of sea area and 18000 kilometers of long coastlines, edge
A island more than 6000 are distributed in sea, are richly stored with offshore oil field and natural gas on shallow sea continental shelf, coastal and be China's warp
Help ecumene, and domestic coastal island development is badly in need of electricity consumption, since construction power station is at high cost, the period is long, along with fuel supply is tired
The factors such as difficulty, so, power supply, the communication (especially military secret communication) on middle-size and small-size island are required through long length photoelectricity
Composite cable solves, therefore cable is the lifeline on island.
Continually developing and utilizing with marine resources, the exploitation on island is increasingly by the attention of state and society, together
When the coastal people in order to improve environment, improve production, quality of life, the demand to electric power, communication constantly enhances, and is developmental research
Production long length high pressure island power communication comprehensive cable provides vast market prospect.Especially China shallow sea constantly discovers newly
Oil gas field, offshore oil platform communication, power supply need a large amount of cables, and the development of sea fishery needs exist for import island
Power communication composite rope.However the electric power on island, communication are the bottleneck for restricting Island Economy development always.Guarantee island power supply peace
Entirely, the reliability of signal transmission is then imperative.Wires and cables industry is two big pillar industries in national economy of electric power and communication
Important mating industry, there is extremely important status in national economy, and wherein industry production total amount accounts for the 4 ‰ of national total GDP
To 5 ‰, the important function that wire and cable product plays the conveying energy, transmits information, is national economy " blood vessel " and " nerve ".
Chinese annual submarine cable, pipeline laying length have thousands of kilometers, and submarine cable accounts for 10%~15% or so of entire laying amount.
With the fast development of national economy and island construction, the lasting progress of Islands Exploitation, deep sea energy source exploitation is domestic to seabed electricity
The demand of cable is significantly increased.And common sea cable is simply possible to use in the 0-100m depth of water, deep-sea oil exploitation, coastal wind-powered electricity generation are relatively to sea
Bottom electric property, waterproof performance have higher requirement.Coastal and island natural environment is different from inland, belong to salt-soda soil,
Wetness is high, and therefore, cabling has to the adaptability in view of the resistance to environment of cable in the area.
Analysis island cable installation environment is had other than conventional submarine cable waterproof, anti-seawater corrosion based on island
It is short caused by casting anchor to need cable also and need to have sea bed earthquake, coastal waters ship for seabed, seashore, island massif complicated geographical environment
When enormous impact pulling force damage, seashore hang section cable bend fatigue damage caused by by the frequent surge of seawater, seashore section protrusion
Rock causes the overbending of cable, and ultraviolet light and aging corrosion and island land direct-burried Duan Shanshi more than sea level causes
Stress injury etc. series of defence function；In summary operation laying environmental requirement, it is anxious for more preferable island marine economy
Need it is a have tension, resistance to compression, shock resistance, antidetonation, Water-proof and oil-proof, antiultraviolet, insect prevention mouse novel island power cable and
Production technology.
Summary of the invention
The object of the present invention is to provide a kind of multi-functional compound island power cable and its manufacturing process, solve existing
Submarine cable is generally divided into embedded section and land embedded section under water and is easy in the environment of some island gradient steepers
Cable now is damaged since bending radius is too small or overtension, and the security performance of existing cable is irregular, Wu Fada
To highly conductive, at low cost, energy conservation and environmental protection, the problem of water preventing ability is excellent, anticorrosion, creep resistant, the multiple performances such as antifatigue, thus real
Show and difference is segmented according to direct-burried, the suspension of seashore section, island land section direct-burried difference laying environment, a cable design under sea bed
Change structure design, meets different laying environmental requirements, and there is good waterproofness, anti-corrosive properties, antiultraviolet, oil-stain-preventing
Etc. performances, while the magnetic flux of cable outer layer can also be reduced, to reduce the electromagnetic conversion loss in cabling power transmission process
And fever.
Realizing the technical solution of the object of the invention is: a kind of multi-functional compound island power cable, comprising:
Sea bed direct-burried section, is laid under sea bed；
Land direct-burried section, is laid under the land of island；
Seashore hangs section, hangs on seashore, is connected to the sea bed direct-burried section and the land direct-burried section；
The sea bed direct-burried section, land direct-burried section and seashore suspension section include cable core and are set to anti-outside the cable core
Sheath；
Wherein, the cable core includes at least one insulated wire cores and at least one buffer-type tension unit；The buffer-type
Tension unit is followed successively by carbon fiber complex core, elastic insert, steel wire floor, pitch coat from the inside to the outside.
Further, the protective layer includes cordage winding layer；The cordage winding layer impregnating pitch, after first winding
Dipping, such pitch can impregnate together winding rope and the armor of the inside.
Further, the protective layer further includes antifatigue flex layers；The antifatigue flex layers are joined using stainless steel band
Sheathed structure is locked, is set to the seashore suspension section, and between the cable core and the cordage winding layer.
Further, the protective layer further includes resistant to mechanical damage layer；The resistant to mechanical damage layer uses stainless steel band, if
It is placed in the land direct-burried section, and between the cable core and the cordage winding layer.
Further, the insulated wire cores are followed successively by conductor, conductor shielding layer, insulating layer, insulation screen from the inside to the outside
With lead set anti-corrosion shielded layer.
Further, the cable core further includes at least one traffic monitoring unit；The traffic monitoring unit includes inside
Fiber optic bundle and external casing.
Further, the cable core further includes at least one tubing unit and a header units；The tubing unit is adopted
With the composite construction of the first stainless steel inner tube and the first plastic outer tube；The header units use the second stainless steel inner tube and second
The composite construction of plastic outer tube.
Further, a kind of multi-functional compound island power cable further includes tension seat；The tension seat is set to described
Seashore hangs section and the land direct-burried section junction, is divided into the openable and closable seat of honour and pedestal；It is corresponding on the seat of honour and pedestal
Notch is arranged in ground, forms main threading channel after closure；It is additionally provided on the seat of honour and pedestal and the buffer-type tension unit
The consistent tension unit of quantity threads channel.
Further, tension unit threading channel includes centrally located composite core threading hole and is surrounded on described multiple
Close multiple steel wire threading holes outside core threading hole.
Further, the tension of the buffer-type tension unit and tension seat be connected as steel wire floor steel wire pass through respectively it is multiple
Steel wire threading hole and tension seat weld, and carbon fiber complex core passes through composite core threading hole into axially free displacement state.
A kind of technique of island power cable described in manufacture, comprising the following steps:
Measure length needed for sea bed direct-burried section, land direct-burried section and seashore hang section；
Manufacture cable core；
According to the length of measurement, protective layer is set outside the cable core.
After above-mentioned technical proposal, the present invention has the effect of following positive:
(1) present invention lays environment according to direct-burried, the suspension of seashore section, island land section direct-burried difference under sea bed, by cable
It is divided into land direct-burried section, seashore suspension section, sea bed direct-burried section three stage structure, differentiation structure is segmented by a cable design
Design meets the requirement of different laying environment, reduces laying difficulty and laid down cost.Meanwhile it being installed in cable filler
The buffer-type tension unit comprising elastic insert is set, when steel wire pulling force increases, radial compression elastic insert, elastic insert outer diameter
Reduce, steel wire length extends, and plays the effect of buffering, while as steel wire and elastic insert radial force increase, carbon fiber is compound
Core stretching resistance will play a leading role, since carbon fiber has good tensile property and indeformable property, so in elastic insert one
Determine deflection to steel wire buffering after, continue growing pulling force will not redeformation, finally play the effect for being able to bear very big tensile energy
Fruit；Such structure design, while both having good tensile capacity in view of cable, very good solution cable is receiving
Such as sea bed earthquake, coastal waters ship are cast anchor under huge tensile impact effect, and what the buffer-type tension unit of cable generated first is
Axial displacement extends, and buffers the effect of enormous impact force；Followed by pulling force focuses on carbon fiber, carries huge tensile impact
Effect.In addition, buffer-type tension unit can also reduce the magnetic flux of cable outer layer, to reduce in cabling power transmission process
Electromagnetic conversion loss and fever.
(2) present invention is provided with different protective layers, so that cable be made to have according to different laying environment outside cable core
There are the performances such as good waterproofness, anti-corrosive properties, antiultraviolet, oil-stain-preventing.
(3) since it is considered that sea water intrusion and tide impact, so the cordage winding layer in protective layer is soaked using pitch
Stain plays structure fixation and corrosion-resistant effect.
(4) due to considering that seashore suspension section cable is impacted by tide, cable is in dynamic bending state, to prevent cable mistake
The impact of degree bending and tide field trash to cable, thus it is tired using resisting for stainless steel band lock armo structure in suspension section setting
Labor flex layers play antifatigue bending and sundries impact effect.
(5) it since land direct-burried section cable uses the resistant to mechanical damage layer of stainless steel band sheathed structure, effectively increases
The mechanical damage ability of the anti-island mountain stone of cable.
(6) because conductor uses soft structure and insulating layer uses rubber elastomeric material, cable is substantially increased
The flexural property of mounting and installation, and the antifatigue bending ability by seawater surge frequent impact.
(7) in order to real-time monitoring the deformation shockproofness of cable, temperature height and whether damage by mechanicalness
Wound, therefore at least one traffic monitoring unit is provided in cable core, while can also realize data communication function.
(8) due to using tubing unit and header units, the function of island cable can be expanded.
(9) since seashore suspension section cable can be impacted by tide, cable is in dynamic bending state, to prevent cable excessive
The impact of bending and tide field trash to cable, therefore use and be arranged in seashore suspension section and the land direct-burried section junction
The mode of tension seat realizes the effect fixed to cable interlude tractive force.
(10) tension seat of the invention use by the cross winding steel wire solder joint of steel wire floor in buffer-type tension unit with
Tension seat is fixed, and carbon fiber complex core is passed through from carbon fiber complex core threading hole, can in tension seat free displacement, effectively
Realize the purpose to cable stretch buffering.
(11) in order to prevent buffer-type tension unit because caused by angle and curved stress concentration be easily broken off, therefore tension seat
Steel wire threading hole, compounded yarn perforation form taper with cable, separate with cable slack formula tension unit and to scatter from cable
Angle coincide, thus realize during playing tension buffer, composite core tension seat composite core threading hole intrinsic displacement freely.
Detailed description of the invention
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, wherein
Fig. 1 is overall schematic of the present invention.
Fig. 2 is the structural schematic diagram of sea bed direct-burried section of the invention.
Fig. 3 is the structural schematic diagram of the steel wire floor of buffer-type tension unit of the invention.
Fig. 4 is the structural schematic diagram that seashore of the invention hangs section.
Fig. 5 is the protective layer structure schematic diagram that seashore of the invention hangs section.
Fig. 6 is the structural schematic diagram of land direct-burried section of the invention.
Fig. 7 is the structural schematic diagram of tension seat of the present invention.
Fig. 8 is the connection schematic diagram that seashore of the invention hangs section and tension seat.
Drawing reference numeral are as follows:
100 cable cores；
110 insulated wire cores, 111 conductors, 112 conductor shields, 113 insulating layers, 114 insulation screens, 115 lead set anti-corrosions
Shielded layer；
120 buffer-type tension units, 121 carbon fiber complex cores, 122 elastic inserts, 123 steel wire floors, the coating of 124 pitches
Layer；
130 traffic monitoring units, 131 fiber optic bundles, 132 casings；
140 tubing units, 141 first stainless steel inner tubes, 142 first plastic outer tubes；
150 header units, 151 second stainless steel inner tubes, 152 second plastic outer tubes；
200 protective layers, 210 cordage winding layers, 220 antifatigue flex layers, 230 resistant to mechanical damage layers；
300 tension seats, 310 seats of honour, 320 pedestals, 330 main threading channels, 340 tension units thread channel, 341 carbon fibers
Face of not cutting, 360 fixing pieces, 370 reinforcement supports are breathed out in composite core threading hole, 342 steel wire threading holes, 350；
400 steel wire tension seat solder joints.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the embodiment of the present invention, it is to be understood that term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
The invention product using when the orientation or positional relationship usually put or those skilled in the art usually understand
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the equipment of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the embodiment of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term
" setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be directly connected, can also can be inside two elements indirectly connected through an intermediary
Connection.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
The present invention provides a kind of multi-functional compound island power cable and its manufacturing process, for solving in the prior art
Island cable to be unable to reach excellent highly conductive, at low cost, energy conservation and environmental protection, water preventing ability, anticorrosion, creep resistant, antifatigue etc. a variety of
The problem of performance.To solve the above-mentioned problems, general thought of the invention is as follows:
A kind of multi-functional compound island power cable, comprising: sea bed direct-burried section is laid under sea bed；Land direct-burried section is applied
Under the land of island；Seashore hangs section, hangs on seashore, is connected to the sea bed direct-burried section and the land direct-burried section；
The sea bed direct-burried section, land direct-burried section and seashore suspension section include cable core and are set to anti-outside the cable core
Sheath；
Wherein, the cable core includes at least one insulated wire cores and at least one buffer-type tension unit；The buffer-type
Tension unit is followed successively by carbon fiber complex core, elastic insert, steel wire floor, pitch coat from the inside to the outside.
The present invention lays environment according to direct-burried, the suspension of seashore section, island land section direct-burried difference under sea bed, and cable is divided into
Land direct-burried section, seashore hang section, sea bed direct-burried section three stage structure, are segmented differentiation structure by a cable design and set
Meter meets the requirement of different laying environment, reduces laying difficulty and laid down cost.
In the following, technical solution of the present invention is described in detail and is illustrated by several specific embodiments.
As shown in Figure 1, a kind of multi-functional compound island power cable includes: sea bed direct-burried section, it is laid under sea bed；Land
Direct-burried section is laid under the land of island；Seashore hangs section, hangs on seashore, is connected to the sea bed direct-burried section and the land is straight
Bury section.Wherein, sea bed direct-burried segment length is a, and it is b that seashore, which hangs segment length, and the length of land direct-burried section is c, and seashore hangs section
Tractive force is being provided by tension seat with land direct-burried section junction.Sea bed direct-burried section, the land direct-burried section of island power cable
And seashore hangs the protective layer 200 that section includes cable core 100 and is set to outside cable core, the cable shields under difference laying environment
200 is different.
As shown in figs. 2,4 and 6, the cable core of the sea bed direct-burried section, land direct-burried section of the present embodiment and seashore suspension section
100 structure is consistent, including the three buffer-type tension unit 120, two of insulated wire cores 110, three traffic monitoring units 130,
Two tubing units 140 and two header units 150.It can certainly be other quantity, here, quantity is only used as a kind of choosing
It selects, not as the limitation for insulated wire cores, buffering being tension unit, monitoring unit, tubing unit and header units quantity.
Insulated wire cores 110 are followed successively by conductor 111, conductor shield 112, insulating layer 113, insulation screen from the inside to the outside
114 and lead set anti-corrosion shielded layer 115.In the present embodiment, conductor 111 uses soft structure, and insulating layer 113 is using elasticity such as rubbers
Material, so that core elasticity is more preferable, and lead set anti-corrosion shielded layer 115 then effectively increases the crushing resistance and pull resistance of cable, also
With performances such as good waterproofness, anti-corrosive properties, antiultraviolet, oil-stain-preventings.
Buffer-type tension unit 120 be followed successively by from the inside to the outside carbon fiber complex core 121, elastic insert 122, steel wire floor 123,
Pitch coat 124.As shown in figure 3, steel wire floor 123 is cross-woven steel wire in elastic insert 122 using the structure of plain weave
It is external.By the setting of buffer-type tension unit in cable filling position, when steel wire pulling force increases, radial compression elastic insert, bullet
Property bed course outer diameter reduce, steel wire length extends, play the effect of buffering, while as steel wire and elastic insert radial force increase,
Carbon fiber complex core stretching resistance will play a leading role, since carbon fiber has good tensile property and indeformable property, so
After the certain deflection of elastic insert is buffered to steel wire, continue growing pulling force will not redeformation, finally play be able to bear it is very big anti-
The effect of Zhang Nengli, when such structure design mainly makes cable that there is resistance sea bed earthquake, coastal waters ship to cast anchor,
Damage of the enormous impact pulling force to cable；What cable can be generated first by buffer-type tension unit is that axial displacement extends,
Buffer the effect of enormous impact force；Followed by it is cross-woven steel wire axial displacement and extends, and then increase steel wire floor 123 to elastic cushion
Layer 122 radial pressure increase, while buffer huge pulling force by huge pulling force and from small to large be transferred to carbon fiber
Whole pulling force are finally added on carbon fiber complex core 121 by composite core 121, at this time the axial direction of entire buffer-type tension unit 120
Displacement buffering terminates, and buffer-type tension unit 120 becomes a rigid tension original part with very big tensile capacity, it is ensured that it is protected
The cable conductor 100 of shield is not damaged by mechanical external force, realizes the effect of buffering and protection；In addition, buffer-type tension unit can also
Reduce the magnetic flux of cable outer layer, to reduce electromagnetic conversion loss and the fever in cabling power transmission process.
Traffic monitoring unit 130 includes internal communication monitoring fiber optic bundle 131 and external casing 132, is effectively monitored
The communication strength of cable, temperature height and whether by mechanical injuries.
Tubing unit 140 uses the composite construction of the first stainless steel inner tube 141 and the first plastic outer tube 142；The water pipe
Unit 150 uses the composite construction of the second stainless steel inner tube 151 and the second plastic outer tube 152, therefore insulation performance is extremely excellent,
Very high working field strength can be born, there is very low dielectric loss, good thermal diffusivity.
As shown in Fig. 2, the protective layer 200 of the sea bed direct-burried section of the present embodiment includes cordage winding layer 210, the fiber
Rope 210 impregnating pitch of winding layer, impregnating pitch after first winding facilitate production.
As shown in figure 4, the protective layer 200 of the seashore suspension section of the present embodiment includes cordage winding layer 210 and antifatigue
Flex layers 220.As shown in figure 5, antifatigue flex layers 220 use stainless steel band lock armo structure, and it is located at the cable core 100
Between the cordage winding layer 210, after being wound with cordage, impregnating pitch, pitch can be by winding rope and the inside
Armor impregnates together, plays structure fixation and corrosion-resistant effect.Due to considering that seashore suspension section cable is impacted by tide, cable
In dynamic bending state, to prevent the impact of cable overbending and tide field trash to cable, therefore antifatigue flex layers
220 use stainless steel band lock armo structure, play antifatigue bending and sundries impact effect.
As shown in fig. 6, the cable shield 200 of land direct-burried section includes cordage winding layer 210 and resistant to mechanical damage layer
230, the resistant to mechanical damage layer 230 uses stainless steel band, and be located at the cable core 100 and the cordage winding layer 210 it
Between, effectively increase the mechanical damage ability of the anti-island mountain stone of cable.Unlike suspension section, resistant to mechanical damage layer in this
230 use flat strip steel armouring, do not need interlock.
As shown in Figure 7 and Figure 8, due to considering that seashore suspension section cable is impacted by tide, cable is in dynamic bending state,
To prevent the impact of cable overbending and tide field trash to cable, therefore use straight in seashore suspension section and the land
Section junction is buried provided with 300 structure of tension seat, realizes the fixed effect of cable interlude tractive force.The tension seat 300
It is set to the seashore suspension section and the land direct-burried section junction, 300 junctions are being done using tension, seashore is hung into section
Protective layer 200 peel off one section.
Such as Fig. 7, tension seat is divided into the openable and closable seat of honour 310 and pedestal 320, and this folding can be standard-sized sheet conjunction and be also possible to
The Ha Fushi structure of Semi-folding.320 side of half-open Ha Fushi structure namely the seat of honour 310 and pedestal is used in the present embodiment
Hingedly, another side is fixed by fixing piece 360, and fixing piece 360 can be fastening bolt or other and can play admittedly
Tailor-made object.The seat of honour 310 and pedestal 320 respectively have the Kazakhstan at two in correspondence with each other not to cut face 350, and face is not cut in each Kazakhstan
350 setting there are two fixing piece 360 by the seat of honour 310 and pedestal 320 it is fastened to each other live, this structure can open after from cable
Between position be mounted on cable periphery, not only realize cable interlude tractive force and fix, but also be in conjunction with cable conductor above-mentioned
The characteristics of whole root knot structure, improves the piece electrical safety of cable so that intermediate connectionless connector, maintains the globality of cable
Performance；It is arranged in correspondence with a half round cut on the seat of honour 310 and pedestal 320, forms main threading channel 330 after closure, it can
Allow cable core 100 except buffer-type tension unit 120 in addition to include three insulated wire cores, 110, two traffic monitoring units 130, two
A tubing unit 140 and two header units 150 partially pass through；One is provided with above the half round cut at the seat of honour 310
Corresponding with the buffer-type tension unit 120 tension unit threads channel 340, pedestal 320 two at breathe out and not cut under face 350
Side is each provided with a buffer-type tension unit 120 corresponding tension unit threading channel 340, and position and buffer-type are anti-
Draw setting position of the unit 120 in cable core 100 corresponding；As shown in figure 8, steel wire floor 123 in the buffer-type tension unit 120
Cross winding steel wire pass through tension unit threading channel 340 in steel wire threading hole 342, to form steel wire tension seat by freezing
Solder joint 400 is fixed on tension seat 300, and carbon fiber complex core 121 is then directly through in tension unit threading channel 340
Carbon fiber complex core threading hole 341, due to buffer-type tension unit 120 in order to prevent because caused by angle and curved stress concentrate
It is easily broken off, therefore steel wire threading hole 342, carbon fiber complex core line perforation 341 and cable in tension unit threading channel 340
Taper is formed, the angle scattered is separated from cable with cable slack formula tension unit 120 and coincide, playing tension to realize
In buffering course, carbon fiber complex core 121 perforates 341 intrinsic displacements freely in the carbon fiber complex core line of tension seat 300, effectively
Realize the purpose of cable stretch buffering.As shown in fig. 7, the seat of honour 310 is gradually increased along the direction sectional area towards pedestal 320,
The sectional area of pedestal 320 is not less than the sectional area at the seat of honour 310, enables to tension seat 300 more firm in this way.And in order to further
Its stability is promoted, also a pair of of reinforcement support 370 is provided in 320 left and right ends bottom of pedestal, reinforces support 370 from top to bottom
It is gradually inclined outwardly, the stability on such inclined-plane is more preferable.
A kind of technique of island power cable described in manufacture, comprising the following steps:
Length needed for measuring sea bed direct-burried section, land direct-burried section and seashore suspension section, as shown in Figure 1 respectively a, b, c；
Manufacture cable core 100；
According to the length of measurement, resistant to mechanical damage layer 230 is set outside the cable core 100 of the land direct-burried section and in sea
Bank suspension section cable core 100 outside antifatigue flex layers 220 are set, then be equipped with resistant to mechanical damage layer 230 land direct-burried section,
Fiber is wound outside together outside the cable core 100 of seashore suspension section and sea bed direct-burried section equipped with antifatigue flex layers 220
Rope forms cordage winding layer 210, subsequent impregnating pitch；
When laying, in the manner previously described, tension seat is set.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of multi-functional compound island power cable, characterized by comprising:
Sea bed direct-burried section, is laid under sea bed；
Land direct-burried section, is laid under the land of island；
Seashore hangs section, hangs on seashore, is connected to the sea bed direct-burried section and the land direct-burried section；
The sea bed direct-burried section, land direct-burried section and seashore suspension section include continuous cable core (100) and are set to the cable core
(100) the different protective layer (200) of external three-stage；
Wherein, the cable core (100) includes at least one insulated wire cores (110) and at least one buffer-type tension unit (120)；
The buffer-type tension unit (120) is followed successively by carbon fiber complex core (121), elastic insert (122), steel wire floor from the inside to the outside
(123), pitch coat (124).
2. the multi-functional compound island power cable of one kind according to claim 1, it is characterised in that:
The protective layer (200) includes cordage winding layer (210)；Cordage winding layer (210) impregnating pitch.
3. the multi-functional compound island power cable of one kind according to claim 2, it is characterised in that:
The protective layer (200) further includes antifatigue flex layers (220)；The antifatigue flex layers (220) use stainless steel band
Lock armo structure is set to the seashore suspension section, and is located at the cable core (100) and the cordage winding layer (210)
Between.
4. the multi-functional compound island power cable of one kind according to claim 2, it is characterised in that:
The protective layer (200) further includes resistant to mechanical damage layer (230)；The resistant to mechanical damage layer (230) uses stainless steel band,
It is set to the land direct-burried section, and between the cable core (100) and the cordage winding layer (210).
5. according to claim 1 to the multi-functional compound island power cable of one kind described in one of 4, it is characterised in that:
The insulated wire cores (110) are followed successively by conductor (111), conductor shield (112), insulating layer (113), insulation from the inside to the outside
Shielded layer (114) and lead set anti-corrosion shielded layer (115).
6. the multi-functional compound island power cable of one kind according to claim 5, it is characterised in that:
The cable core (100) further includes at least one traffic monitoring unit (130)；The traffic monitoring unit (130) includes interior
The communication monitoring fiber optic bundle (131) in portion and the casing (132) of outside.
7. the multi-functional compound island power cable of one kind according to claim 6, it is characterised in that:
The cable core (100) further includes at least one tubing unit (140) and a header units (150)；The tubing unit
(140) composite construction of the first stainless steel inner tube (141) and the first plastic outer tube (142) is used；The header units (150) are adopted
With the composite construction of the second stainless steel inner tube (151) and the second plastic outer tube (152).
8. the multi-functional compound island power cable of one kind according to claim 7, it is characterised in that:
It further include tension seat (300)；The tension seat (300) is set to the seashore suspension section and connect with the land direct-burried section
Place, is divided into the openable and closable seat of honour (310) and pedestal (320)；It is arranged in correspondence with notch on the seat of honour (310) and pedestal (320),
Main threading channel (330) is formed after closure；It is additionally provided on the seat of honour (310) and pedestal (320) and the buffer-type tension
Consistent tension unit threading channel (340) of unit (120) quantity.
9. the multi-functional compound island power cable of one kind according to claim 8, it is characterised in that:
Tension unit threading channel (340) includes centrally located composite core threading hole (341) and is surrounded on described compound
The external multiple steel wire threading holes (342) of core threading hole (341).
10. a kind of technique for manufacturing multi-functional compound island power cable as described in claim 1, it is characterised in that including with
Lower step:
Measure length needed for sea bed direct-burried section, land direct-burried section and seashore hang section；
It manufactures cable core (100)；
According to the length of measurement, protective layer (200) is set outside in the cable core (100).
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