CN207319744U - A kind of novel seabed cable - Google Patents
A kind of novel seabed cable Download PDFInfo
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- CN207319744U CN207319744U CN201721071624.8U CN201721071624U CN207319744U CN 207319744 U CN207319744 U CN 207319744U CN 201721071624 U CN201721071624 U CN 201721071624U CN 207319744 U CN207319744 U CN 207319744U
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- 238000012856 packing Methods 0.000 claims abstract description 38
- 239000000835 fiber Substances 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000013307 optical fiber Substances 0.000 claims description 18
- 239000004065 semiconductor Substances 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 8
- -1 Polyethylene Polymers 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000002131 composite material Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
It the utility model is related to submarine cable technical field, more particularly to a kind of novel seabed cable, outer layer, armor and liner layer are draped over one's shoulders including what is be sequentially distributed from outside to inside, three two two-phases circumscribed electric unit is set in liner layer, electric unit and liner layer surrounded three at a light unit is at least set in gap, fiber unit, packing layer and the twining package tape that the light unit is set gradually from the inside to the outside, packing layer is closely surrounded is wound with twining package tape on the outside of the outside of fiber unit, packing layer；Packing layer includes support packing and buffer fillings bar, support packing is followed successively by supporting steel wire and elastomeric layer from the inside to the outside, buffer fillings bar includes elastic inner layer and elastic outer layer, connected between elastic inner layer and elastic outer layer by elastic supporting bar, several elastic supporting bars are uniformly arranged around elastic inner layer, and elastic supporting bar is respectively perpendicular to the outer surface of elastic inner layer and the inner surface of elastic outer layer.The novel seabed cable of the utility model can effectively protect light unit.
Description
Technical field
Submarine cable technical field is the utility model is related to, more particularly to a kind of novel seabed cable.
Background technology
With increasing rapidly for China's economic, the scarcity of the energy becomes an important factor for restricting sustainable development of China.Face
To the pressure of land resources shortage, sight is turned to ocean by the mankind again, it is proposed that " returning to ocean ", " 21 century is numerical ocean model "
Saying.China is an ocean big country, possesses more than 18000 kilometers of coastline, coastal to be dispersed with a island, shallow sea more than 6000
Abundant oil field and natural gas are contained in continental shelf, and China coastal and be economically developed region, the developing of offshore islands, sea
The demand of the exploitation of foreign oil, submarine cable and electro-optical composite cable will be increasing, with the increase of island power consumption,
The exploitation in large ocean oil field, particularly ocean Large Scale Wind Farm Integration, it is desirable to which transmission voltage is continuously improved, 110KV, 220KV seabed
Cable or photoelectric composite submarine cable are to promoting China's ocean development to have positive facilitation.
Photoelectric composite submarine cable river crossing, lake and ocean, should be adapted to different environments such as subsea and sea features,
Must be fulfilled for the physical characteristic of ocean and the requirement of laying down on sea bottom, have waterproof, corrosion-resistant, long length, high-mechanical property and
The characteristics of high reliability.High-voltage and ultra-high photoelectric composite submarine cable in addition to above-mentioned requirements, protect by light unit structure design, light unit
The reasonable combination of shield, cable and optical cable, and the content to be studied of emphasis.
Utility model content
The purpose of this utility model is to provide a kind of novel seabed cable that can be effectively protected to light unit.
To achieve these goals, the utility model adopts the following technical solution：A kind of novel seabed cable, including from outer
To it is interior be sequentially distributed it is outer drape over one's shoulders layer, armor and liner layer, the circumscribed electric unit of three two two-phases, electric unit are set in liner layer
One light unit, the optical fiber that the light unit is set gradually from the inside to the outside are at least set at three surrounded with liner layer in gap
Unit, packing layer and twining package tape, packing layer closely surrounds to be wound with wrapped in the outside of fiber unit, packing layer outside
Band；Packing layer includes support packing and buffer fillings bar, and support packing is followed successively by supporting steel wire and elasticity from the inside to the outside
Material layer, buffer fillings bar include elastic inner layer and elastic outer layer, pass through elastic supporting bar between elastic inner layer and elastic outer layer
Connection, several elastic supporting bars are uniformly arranged around elastic inner layer, and elastic supporting bar is respectively perpendicular to the appearance of elastic inner layer
Face and the inner surface of elastic outer layer.
Further, the support packing is symmetricly set on the both sides of fiber unit, and support packing is away from electric unit
Set with liner layer.
Further, the fiber unit includes optical fiber, stainless steel tube and oversheath, and optical fiber is located in stainless steel tube, light
The fiber paste that blocks water is filled between fibre and between optical fiber and stainless steel tube.
Further, the electric unit include set gradually from the inside to the outside water-blocking conductor, conductor shield, insulating layer,
Insulation screen, semiconductor water blocking layer, lead set, pe sheath.
Further, the water-blocking conductor is twisted by copper wire, and longitudinal wrap, which blocks water, between each layer copper wire expands band.
Further, the conductor shield by wrapped semi-conductive tape and extrudes semi-conductive layer and forms.
Further, the insulating layer uses super-clean cross-linkable polyethylene material.
Further, the insulation screen uses ultra-smooth Cross-linkable shield semiconductors material.
Further, the semiconductor water blocking layer is blocked water using semiconductor expands band.
Further, the armor is magnetic shielding structure armor, is carried out using zinc-aluminium-magnesium alloy coating wire of 6mm
Armouring, is provided with it every being also coated with bitumen layer outside magnetic copper wire, armor.
The novel seabed cable of the utility model, enough that light unit is effectively protected, this kind of cable has waterproof, corrosion resistant
Erosion, long length, high-mechanical property and high reliability, there is provided the reasonable combination of cable and optical cable, can be adapted to different seabeds
Environment and sea features, meet the physical characteristic in ocean and the requirement of laying down on sea bottom.
Brief description of the drawings
Fig. 1 is the cable cross-section structure diagram of the utility model；
Fig. 2 is the cross-sectional structure schematic diagram of fiber unit；
Fig. 3 is the cross-sectional structure schematic diagram of support packing；
Fig. 4 is the cross-sectional structure schematic diagram of buffer fillings bar；
In above-mentioned figure：1- electric units；11- water-blocking conductors；12- conductor shields；13- insulating layers；14- insulation screens；
15- semiconductor water blocking layers；16- lead sets；17- pe sheaths；21- fiber units；22- packing layers；221- supports packing；
2211- supporting steel wires；2212- elastomeric layers；222- buffer fillings bars；2221- elastic inner layers；2222- elastic supporting bars；
2223- elastic outer layers；23- twining package tapes；3- liner layers；4- armors；Layer is draped over one's shoulders outside 5-.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, is not used to limit the utility model.
Submarine cable river crossing, lake and ocean, are adapted to different environments such as subsea and sea features, it is necessary to meet sea
The physical characteristic in ocean and the requirement of laying down on sea bottom, have waterproof, corrosion-resistant, long length, high-mechanical property and high reliability
Feature.High-voltage and ultra-high photoelectric composite submarine cable also proposes higher to the structure of fiber unit (optical cable), and placement
Requirement.
The utility model provides a kind of novel seabed cable for this, its structure is as shown in Figure 1, including from outside to inside successively
The outer of distribution drapes over one's shoulders layer 5, armor 4 and liner layer 3, sets the circumscribed electric unit 1 of three two two-phases in liner layer 3, electric unit 1 with
Liner layer 3 surrounded three at a light unit 2 is at least set in gap.As shown in Fig. 2, light unit 2 is set successively from the inside to the outside
Fiber unit 21, packing layer 22 and the twining package tape 23 put, packing layer 22 are closely surrounded in the outside of fiber unit 21, filling
The outside of bar layer 22 is wound with twining package tape 23.Packing layer 22 includes support packing 221 and buffer fillings bar 222.Such as Fig. 3 institutes
Show, support packing 221 is followed successively by supporting steel wire 2211 and elastomeric layer 2212 from the inside to the outside.As shown in figure 4, buffer fillings
Bar 222 includes elastic inner layer 2221 and elastic outer layer 2223, is propped up between elastic inner layer 2221 and elastic outer layer 2223 by elasticity
Strut 2222 connects, several elastic supporting bars 2222 are uniformly arranged around elastic inner layer 2221, and elastic supporting bar 2222 is distinguished
Perpendicular to the outer surface of elastic inner layer 2221 and the inner surface of elastic outer layer 2223.Support packing 221 is symmetricly set on optical fiber
The both sides of unit 21, support packing 221 set 3 away from electric unit 1 and liner layer.
Although three core submarine cables have enough space layout fiber units, the structure setting of light unit is also relatively flexible,
But light unit is more fragile, therefore the mechanical performance of whole cable is determined by light unit, in the utility model, by
The outside of fiber unit 21 sets packing layer 22, includes support packing 221 and buffer fillings bar 222 in packing layer 22,
Support packing 221 can protect optical fiber not bend, and improve the mechanical strength of light unit, and buffer fillings bar 222 then can be
When cable is subject to ambient pressure, a buffer strip is formed, prevents optical cable from squeezing wound, such structure design, can either effectively protect
Light unit, and the mechanical performance of cable can be improved.
Packing 221 is supported when setting, is symmetricly set on the both sides of fiber unit 21, and away from electric unit 1 and interior
Lining 3 is set, and when such setting can prevent that cable is squeezed, support packing 221 is due to electric unit 1 and liner layer 3
Stop, and squeeze and hinder optical fiber.
Buffer fillings bar 222 includes elastic inner layer 2221 and elastic outer layer 2223, elastic inner layer 2221 and elastic outer layer
Being connected between 2223 by elastic supporting bar 2222, several elastic supporting bars 2222 are uniformly arranged around elastic inner layer 2221,
Elastic supporting bar 2222 is respectively perpendicular to the outer surface of elastic inner layer 2221 and the inner surface of elastic outer layer 2223.Buffer fillings bar
222 this structure can effective cushioning effect power, effectively protect light unit, and enable to submarine cable that there is high machinery
Performance, can adapt to seabed situation complicated and changeable.
Fiber unit 21 includes optical fiber 211, stainless steel tube 212 and oversheath 213, and optical fiber 211 is located at stainless steel tube 212
It is interior, the fiber paste that blocks water is filled between optical fiber 211 and between optical fiber 211 and stainless steel tube 212.Optical fiber is protected using stainless steel sleeve pipe
Shield, it is suitable remaining long to select, and filling suppresses the waterproofing type ointment of hydrogen loss, light unit is possessed the same of radially and longitudinally water stop function
When, the generation of optical fiber hydrogen loss can be effectively inhibited, and then improve the service life and transmission performance of optical fiber.The light of this kind of structure
Fine unit section is compact, it can be achieved that long length is without continuing, and realizes the maximum length of light unit, the stabilization for being conducive to light unit can
By the production with long length submarine cable.
Electric unit includes water-blocking conductor 11, conductor shield 12, insulating layer 13, the insulation shielding set gradually from the inside to the outside
Layer 14, semiconductor water blocking layer 15, lead set 16, pe sheath 17.
Wherein, water-blocking conductor 11 is twisted by copper wire, and longitudinal wrap, which blocks water, between each layer copper wire expands band.Conductor uses
Circle presses water-blocking conductor structure, and copper wire used, which uses, meets TR types circular copper wire as defined in GB/T3953.During conductor strand, leading
Addition blocks water expansion band in the form of longitudinal wrap between each level that body is twisted, and " shearing " during using conductor strand, passes through at the same time
Mould presses, and material water-proof material is embedded into twisted gap, realizes the longitudinal water-blocking of conductor.
Conductor shield 12, insulating layer 13, insulation screen 14 collectively constitute insulated wire cores, and conductor shield 12 is by wrapped
Semi-conductive tape is formed with semi-conductive layer is extruded.Insulating layer 13 uses super-clean cross-linkable polyethylene material, and insulation screen 4 uses ultraphotic
Sliding Cross-linkable shield semiconductors material, ensures the electrical reliability of cable by excellent insulating materials and shielding material.
Wrapped semiconductor water blocking layer 15 outside insulated wire cores, is blocked water using semiconductor and expands band, is extruded lead set 16 and is formed one
Totally-enclosed stop water, the longitudinal water-blocking of cable is realized using water-swellable material, ensures electricity using the metal lead jacket of closing
The radial water-resisting of cable, to realize the longitudinal direction of cable and radial water-resisting function, ensure that the waterproof requirement of cable, cable is existed
Safely and reliably run in water.Extrude pe sheath 17 outside lead set 16, coating asphalt corrosion resistant layer in 16 surface of lead set during extrusion, adds
Strong anti-corrosion effect.
Armor 4 is magnetic shielding structure armor, and armouring is carried out using the zinc-aluminium-magnesium alloy coating wire of 6mm, is set in it
It is equipped with and is carried out every magnetic copper wire every magnetic, to avoid the generation of vortex, armouring coats pitch to strengthen the antiseptic property of steel wire at the same time.
The outer layer 5 that drapes over one's shoulders is restricted for dipping, is the one layer of bituminizing polypropylene rope wound outside armor, is carried as electric armor
For a kind of physical protection, protect armor and cable not to be worn, damage in production, transport, laid processes, in seabed and
The erosion resistant coating of cable.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (10)
1. a kind of novel seabed cable, including be sequentially distributed from outside to inside it is outer drape over one's shoulders layer (5), armor (4) and liner layer (3),
Three two two-phases circumscribed electric unit (1) is set in liner layer (3), electric unit (1) surrounded with liner layer (3) three at gap
In a light unit (2) is at least set, it is characterised in that：The fiber unit that the light unit (2) sets gradually from the inside to the outside
(21), packing layer (22) and twining package tape (23), packing layer (22) are closely surrounded in the outside of fiber unit (21), packing
Twining package tape (23) is wound with the outside of layer (22)；Packing layer (22) includes support packing (221) and buffer fillings bar (222),
Support packing (221) is followed successively by supporting steel wire (2211) and elastomeric layer (2212), buffer fillings bar (222) from the inside to the outside
Including elastic inner layer (2221) and elastic outer layer (2223), pass through elasticity between elastic inner layer (2221) and elastic outer layer (2223)
Supporting rod (2222) connects, several elastic supporting bars (2222) are uniformly arranged around elastic inner layer (2221), elastic supporting bar
(2222) outer surface of elastic inner layer (2221) and the inner surface of elastic outer layer (2223) are respectively perpendicular to.
2. novel seabed cable according to claim 1, it is characterised in that：The support packing (221) is symmetrical arranged
In the both sides of fiber unit (21), support packing (221) is set away from electric unit (1) and liner layer (3).
3. novel seabed cable according to claim 1, it is characterised in that：The fiber unit (21) includes optical fiber
(211), stainless steel tube (212) and oversheath (213), optical fiber (211) are located in stainless steel tube (212), between optical fiber (211) with
And filled with the fiber paste that blocks water between optical fiber (211) and stainless steel tube (212).
4. novel seabed cable according to claim 1, it is characterised in that：The electric unit (1) include from the inside to the outside according to
Water-blocking conductor (11), conductor shield (12), insulating layer (13), insulation screen (14), the semiconductor water blocking layer of secondary setting
(15), lead set (16), pe sheath (17).
5. novel seabed cable according to claim 4, it is characterised in that：The water-blocking conductor (11) is twisted by copper wire
Form, longitudinal wrap, which blocks water, between each layer copper wire expands band.
6. novel seabed cable according to claim 4, it is characterised in that：The conductor shield (12) is partly led by wrapped
Electric band is formed with semi-conductive layer is extruded.
7. novel seabed cable according to claim 4, it is characterised in that：The insulating layer (13) uses super-clean cross-linkable
Polyethylene material.
8. novel seabed cable according to claim 4, it is characterised in that：The insulation screen (14) uses ultra-smooth
Cross-linkable shield semiconductors material.
9. novel seabed cable according to claim 4, it is characterised in that：The semiconductor water blocking layer (15) uses and partly leads
Body, which blocks water, expands band.
10. novel seabed cable according to claim 1, it is characterised in that：The armor (4) is magnetic shielding structure armouring
Layer, armouring is carried out using the zinc-aluminium-magnesium alloy coating wire of 6mm, is provided with it and is also coated outside every magnetic copper wire, armor (4)
There is bitumen layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721071624.8U CN207319744U (en) | 2017-08-25 | 2017-08-25 | A kind of novel seabed cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721071624.8U CN207319744U (en) | 2017-08-25 | 2017-08-25 | A kind of novel seabed cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207319744U true CN207319744U (en) | 2018-05-04 |
Family
ID=62433134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721071624.8U Active CN207319744U (en) | 2017-08-25 | 2017-08-25 | A kind of novel seabed cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207319744U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113782267A (en) * | 2021-09-15 | 2021-12-10 | 江苏亨通高压海缆有限公司 | Optical fiber composite submarine cable and preparation method thereof |
| CN114496360A (en) * | 2021-12-23 | 2022-05-13 | 中天科技海缆股份有限公司 | Seabed photoelectric composite cable, and preparation method and preparation system of seabed photoelectric composite cable |
-
2017
- 2017-08-25 CN CN201721071624.8U patent/CN207319744U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113782267A (en) * | 2021-09-15 | 2021-12-10 | 江苏亨通高压海缆有限公司 | Optical fiber composite submarine cable and preparation method thereof |
| CN114496360A (en) * | 2021-12-23 | 2022-05-13 | 中天科技海缆股份有限公司 | Seabed photoelectric composite cable, and preparation method and preparation system of seabed photoelectric composite cable |
| CN114496360B (en) * | 2021-12-23 | 2024-05-07 | 中天科技海缆股份有限公司 | Submarine optoelectronic composite cable, submarine optoelectronic composite cable preparation method and preparation system |
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