CN208111126U - Light environment protection submarine cable - Google Patents
Light environment protection submarine cable Download PDFInfo
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- CN208111126U CN208111126U CN201820595568.6U CN201820595568U CN208111126U CN 208111126 U CN208111126 U CN 208111126U CN 201820595568 U CN201820595568 U CN 201820595568U CN 208111126 U CN208111126 U CN 208111126U
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Abstract
The utility model relates to a kind of light environment protection submarine cables, including conductive core, the outside of conductive core is successively coated with semi-conductive layer, cross-linking type conductor shield, insulating layer, cross-linking type insulation screen, semiconductive water blocking layer, aluminium protective layer, high density polyethylene (HDPE) protective layer, nonwoven layer, filled layer, liner layer, armor and serving outward；Cladding protection is carried out to cable due to using aluminium protective layer, aluminium is light material, enables to the weight saving of cable, moreover, do not have the toxic materials such as heavy metal material in cable material, pollution of marine environment or marine organisms will not be made to be poisoned.Therefore, a kind of light environment protection submarine cable of the utility model can reduce the weight of cable, small to the pollution of marine environment.
Description
Technical field
The utility model relates to a kind of light environment protection submarine cables, are applied to field of power transmission over strait.
Background technique
Submarine cable is mainly used for remote island and the island continent Jian ﹑ and Jian ﹑ Jun thing She Shi ﹑ over strait in island is marine
The fields such as wind-power electricity generation and Shu electricity ﹑ offshore oil platform.The current world Guo Nei ﹑ submarine cable market has a vast market and sends out
Exhibition prospect.Oversheath used in existing submarine cable is mainly lead, but lead has that ﹑ bigger than great ﹑ linear expansion coefficient to spend low ﹑ by force hard
The disadvantages of easy creep of great ﹑ and poor Liu Bian ﹑ heating conduction is lost in Du Di ﹑ this Gao of Cheng ﹑.
Submarine cable protective metal shell also carries fault current, charging electricity other than metallic shield zero potential to be kept
The effect of the out-of-balance current of middle single-core cable in stream and three-phase system.Existing lead sheath resistance is high, the zinc-coated wire of use
Also magnetic hystersis loss can be generated.With the enhancing of mankind's environmental consciousness, people increasingly pay attention to the pollution of marine environment.Lead is attached most importance to
Metallic element, lead poisoning will cause children's intelligence decline, all damage to human consumption's Xi Tong ﹑ kidney；Cause Pin Xue ﹑ myocardium
Sun Hai ﹑ myoneural Wei Suo ﹑ dysopia or even carcinogenic.Discarded sea cable is not recycled substantially due to cost recovery height.And
Lead sheath in sea cable for a long time in the seawater, will necessarily cause damages to marine environment.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of light environment protection seabed electricity
Cable can reduce the weight of cable, small to the pollution of marine environment.
To achieve the above object, the utility model provides a kind of light environment protection submarine cable, adopts the following technical scheme that：One
Kind light environment protection submarine cable, including conductive core, the outside of conductive core are successively coated with semi-conductive layer, cross-linking type conductor screen outward
Cover layer, insulating layer, cross-linking type insulation screen, semiconductive water blocking layer, aluminium protective layer, high density polyethylene (HDPE) protective layer, non-woven fabrics
Layer, filled layer, liner layer, armor and serving.
Preferably, the aluminium protective layer is aluminium casings, is led between the aluminium protective layer and high density polyethylene (HDPE) protective layer
Cross hot melt adhesive bonding.
Preferably, the flat copper silk that the armor is abreast trapped among liner layer periphery by more forms.
It is highly preferred that the cross section of the flat copper silk is in trapezium structure of the top towards liner layer.
It is highly preferred that the flat copper silk is spirally wound on the outside of liner layer.
Preferably, the semi-conductive layer is made of semi-conductive non-woven fabric.
Preferably, the polyethylene strip that the filled layer is abreast trapped among on the outside of nonwoven layer by more forms.
It is highly preferred that the polyethylene strip is spirally wound on the outside of nonwoven layer.
Preferably, the liner layer is made of polyethylene.
Preferably, the serving is made up of polypropylene, and anti-corrosion material is smeared in the outside of serving.
As described above, the utility model relates to a kind of light environment protection submarine cable, have the advantages that：This is practical
A kind of novel light environment protection submarine cable carries out cladding protection to cable using aluminium protective layer, and aluminium is light material, energy
The weight saving so that cable is reached, moreover, there is no the toxic materials such as heavy metal material in cable material, it will not pollution of marine environment
Or marine organisms is made to be poisoned.It can be seen that a kind of light environment protection submarine cable of the utility model can reduce the weight of cable,
It is small to the pollution of marine environment.
Detailed description of the invention
Fig. 1 is shown as a kind of cross-sectional view of light environment protection submarine cable of the utility model；
Fig. 2 is shown as aluminium protective layer and high density polyethylene (HDPE) protective layer and is illustrated by the cross section that hot melt adhesive is bonded together
Figure.
Component label instructions
1 conductive core
2 semi-conductive layers
3 cross-linking type conductor shields
4 insulating layers
5 cross-linking type insulation screens
6 semiconductive water blocking layers
7 flat aluminium-high density polyethylene (HDPE) bonds composite sheath
8 nonwoven layers
9 filled layers
10 liner layers
11 armors
12 servings
13 aluminium protective layers
14 hot melt adhesive
15 high density polyethylene (HDPE) protective layers
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the utility model enforceable restriction item so that those skilled in the art understands and reads
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing
Under the effect of the utility model can be generated and the purpose that can reach, should all still it fall in the revealed technology of the utility model
In the range of Rong get Neng is covered.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Deng term, be merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, relativeness
It is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of light environment protection submarine cable, adopts the following technical scheme that：One
Kind light environment protection submarine cable, including conductive core 1, the outside of conductive core 1 is successively coated with semi-conductive layer 2 outward, cross-linking type is led
Body shielded layer 3, insulating layer 4, cross-linking type insulation screen 5, semiconductive water blocking layer 6, aluminium protective layer 13, high density polyethylene (HDPE) protection
Layer 15, nonwoven layer 8, filled layer 9, liner layer 10, armor 11 and serving 12.A kind of light environment protection sea of the utility model
In the cable of bottom, cladding protection is carried out to cable using aluminium protective layer 13, aluminium is light material, enables to the weight of cable
Mitigate, moreover, there is no the toxic materials such as heavy metal material in cable material, pollution of marine environment or will not make in marine organisms
Poison.It can be seen that a kind of light environment protection submarine cable of the utility model can reduce the weight of cable, the dirt to marine environment
Contaminate it is small, the marine cable product structure alleviate cable self weight and diameter, avoid general cable product using lead material to sea
The pollution of foreign environment, and line loss is reduced, it is a kind of novel seabed cable product that the source Zi Jie Yue Xing ﹑ is environmentally friendly.
In a kind of light environment protection submarine cable of the utility model, as a preferred embodiment, such as Fig. 2 institute
Show, the aluminium protective layer 13 is aluminium casings, can make aluminium casings, the aluminium protective layer 13 using fine aluminium or aluminium alloy
It is bonded between high density polyethylene (HDPE) protective layer 15 by hot melt adhesive 14 and forms flat aluminium-high density polyethylene (HDPE) bonding composite sheath
7, during fabrication, first aluminium casings will be made after flat aluminium strip longitudinal wrap Han Jie ﹑ drawing, applies hot melt adhesive on the surface of aluminium casings
14, polyethylene then is extruded on the surface of aluminium casings and flat aluminium-high density polyethylene (HDPE) bonding composite sheath 7 is made, it is used
Polyethylene is high density polyethylene (HDPE), and the flat aluminium being made-high density polyethylene (HDPE) bonding composite sheath 7 tightly spreads on the longitudinal direction of cable
On water impervious layer, good seal.Preferably, graphene coating processing can also be done to aluminum sheath.
In a kind of light environment protection submarine cable of the utility model, the copper wire made of cathode copper of conductive core 1 hinge
It makes, used cathode copper purity is not less than 99.95%, and for copper wire using the oxygen-free copper single line annealed, the face Biao Guang Jie ﹑ is oil-free
Wu ﹑ it is not damaged shielding and insulation Mao Ci ﹑ sharp edge, it is no protrusion or fracture, conductive core 1 outside cladding semiconductor waterstop and shape
At the semiconductor water blocking layer, to prevent seawater after the protective layer damage outside cable from entering the conductor.As a kind of preferred
Embodiment, as shown in Figure 1, the flat copper silk that the armor 11 is abreast trapped among 10 periphery of liner layer by more forms.More
Preferably, the cross section of the flat copper silk is in trapezium structure of the top towards liner layer 10, in this way, each flat copper silk encloses approximation
The armor 11 of gap very little between the shape of round tube, each flat copper silk, production is dense solid, moreover, copper material does not have
There is ferromagnetism, magnetic consumption will not be generated, generated loss is smaller.It is highly preferred that the flat copper silk is spirally wound on liner layer 10
Outside, in this way, flat copper silk can preferably be attached to 10 outside of liner layer during making cable.Preferably, in described
Lining 10 is made of polyethylene, and polyethylene rope can be used and surround 9 outside of filled layer and form the liner layer 10, liner layer
Pitch or other anti-corrosion materials are uniformly smeared outside 10.Preferably, the serving 12 is made up of polypropylene, the outside of serving 12
Anti-corrosion material is smeared, can be surrounded using polypropylene rope and form the serving 12 on the outside of armor 11.Preferably, described half
Conductive layer 2 is made of semi-conductive non-woven fabric, non-woven fabrics is made with semiconductive material is wrapped on the outside of conductive core 1 to be formed and described partly lead
Electric layer 2.
In a kind of light environment protection submarine cable of the utility model, it is preferable that the filled layer 9 is abreast enclosed by more
Polyethylene strip composition in 8 outside of nonwoven layer, the polyethylene strip are spirally wound on the outside of nonwoven layer 8 and form filling
Layer 9.In marine environment, seawater has stronger corrosivity, in order to enable cable has enough antiseptic properties and intensity, institute
It states serving 12 to be made up of polypropylene, anti-corrosion material is smeared in the outside of serving 12.The conductive core 1 and the cross-linking type conductor
It is equipped with semi-conductive layer 2 between shielded layer 3, insulating layer 4 is equipped with outside the cross-linking type conductor shield 3, is equipped with outside insulating layer 4
Cross-linking type insulation screen 5, the cross-linking type conductor shield 3, insulating layer 4 and cross-linking type insulation screen 5 are total using three layers
The production of extruding process cross-linking production line.
In a kind of light environment protection submarine cable of the utility model, the conduction of conductive core 1, semi-conductive layer 2 and insulating layer 4
Property gradually weaken so that derive from cable center's outward direction electric field it is more uniform.As a preferred embodiment, described
Cross-linking type conductor shield 3 and cross-linking type insulation screen 5 be all made of in ethylene-vinyl acetate copolymer add carbon black production and
At, be coated on the outside of conductive core 1, can effectively shield homogenizing conductive core 1 electric field.The aluminium casings being capable of shielded cable
Generated electric field, and be made of nonferromagnetic material, so that the power consumption in cable is smaller.The semiconductive blocks water
The expansion band made of semiconductor material of layer 6 is wrapped in the outside of cross-linking type insulation screen 5 and is formed, and expansion band includes expansion
Agent enables to cable to have certain buffering and longitudinal water-blocking effect.The armor 11 has protective action, can prevent
Cable is scratched or is damaged.The serving 12 is the first line of defence of cable, can prevent seawater from entering in cable, and
With preferable corrosivity, prevent cable by seawater corrosion.
A kind of light environment protection submarine cable of technical solution based on the above embodiment, the utility model uses aluminum material
The aluminium casings in flat aluminium-high density polyethylene (HDPE) bonding composite sheath 7 are made in material, and aluminium has significant advantage compared with lead, main specific
It shows：1/4 of the density of aluminium less than lead, with single 220kV, 1800mm2For sea cable, 3.2mm is replaced with 2.8mm thickness aluminium set
Lead set, every kilometer of loss of weight about 9.3kg, to whole sea cable loss of weight about 1.7 ‰；Aluminium fusing point is about 2 times of lead, more resistant to high temperature；Aluminium ratio
Lead has lower linear expansion coefficient and thermal conductivity；The conductivity of aluminium is 7 times of lead, is lost smaller；The easy creep of lead and rheology, aluminium
There is excellent creep-resistant property；Aluminium valence is lower, with aluminium casings, can save 4/5 cost.In addition, the one of the utility model
Kind light environment protection submarine cable, aluminium casings and flat copper silk armor 11 are all non-magnetic materials, and resistance is also smaller, and can reduce
The outside diameter of cable.By taking double armor as an example, same wire armoring, with the steel wire of diameter 5mm, outer diameter increment is 10mm.And it uses
Flat copper silk, trapezoidal height about 2.3mm, diameter increment only have 4.6mm.Outside diameter of cable 5.4mm can be reduced.It can be seen that this reality
Submarine cable self weight and outer diameter can significantly be mitigated with a kind of novel light environment protection submarine cable, and reduce line loss,
Impervious outlet capacity is stronger, and environmentally friendly.
In conclusion the utility model effectively overcomes various shortcoming in the prior art and has high industrial exploitation value
Value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (10)
1. a kind of light environment protection submarine cable, characterized in that including conductive core (1), the outside of conductive core (1) successively coats outward
There are semi-conductive layer (2), cross-linking type conductor shield (3), insulating layer (4), cross-linking type insulation screen (5), semiconductive water blocking layer
(6), aluminium protective layer (13), high density polyethylene (HDPE) protective layer (15), nonwoven layer (8), filled layer (9), liner layer (10), armouring
Layer (11) and serving (12).
2. light environment protection submarine cable according to claim 1, it is characterised in that：The aluminium protective layer (13) is aluminum set
Pipe is bonded between the aluminium protective layer (13) and high density polyethylene (HDPE) protective layer (15) by hot melt adhesive (14).
3. light environment protection submarine cable according to claim 1, it is characterised in that：The armor (11) by more side by side
Ground is trapped among the flat copper silk composition of liner layer (10) periphery.
4. light environment protection submarine cable according to claim 3, it is characterised in that：The cross section of the flat copper silk is in top
Towards the trapezium structure of liner layer (10).
5. light environment protection submarine cable according to claim 3, it is characterised in that：The flat copper silk is spirally wound on liner
On the outside of layer (10).
6. light environment protection submarine cable according to claim 1, it is characterised in that：The semi-conductive layer (2) is by semiconductive
Non-woven fabrics is made.
7. light environment protection submarine cable according to claim 1, it is characterised in that：The filled layer (9) by more side by side
Ground is trapped among the composition of the polyethylene strip on the outside of nonwoven layer (8).
8. light environment protection submarine cable according to claim 7, it is characterised in that：The polyethylene strip is spirally wound on nothing
The outside of woven fabric layer (8).
9. light environment protection submarine cable according to claim 1, it is characterised in that：The liner layer (10) is by polyethylene system
At.
10. light environment protection submarine cable according to claim 1, it is characterised in that：The serving (12) is by polypropylene
It is made, anti-corrosion material is smeared in the outside of serving (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820595568.6U CN208111126U (en) | 2018-04-25 | 2018-04-25 | Light environment protection submarine cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820595568.6U CN208111126U (en) | 2018-04-25 | 2018-04-25 | Light environment protection submarine cable |
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| Publication Number | Publication Date |
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| CN208111126U true CN208111126U (en) | 2018-11-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682496A (en) * | 2018-04-25 | 2018-10-19 | 上海电缆研究所有限公司 | Light environment protection submarine cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682496A (en) * | 2018-04-25 | 2018-10-19 | 上海电缆研究所有限公司 | Light environment protection submarine cable |
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