CN203826063U - Seabed special-purpose high-voltage power cable - Google Patents
Seabed special-purpose high-voltage power cable Download PDFInfo
- Publication number
- CN203826063U CN203826063U CN201420082536.8U CN201420082536U CN203826063U CN 203826063 U CN203826063 U CN 203826063U CN 201420082536 U CN201420082536 U CN 201420082536U CN 203826063 U CN203826063 U CN 203826063U
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- electric power
- seabed
- power transfer
- optical fiber
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Abstract
The utility model discloses a seabed special-purpose high-voltage power cable which is used for a seabed for power transmission. The cable includes a power transmission conductor and a communication optical fiber. The cross section of the power transmission conductor is a ring with an opening. The communication optical fiber is located in the power transmission conductor ring. The power transmission conductor and the communication optical fiber are wrapped by an insulating material into a whole, the cross section of which is a circle. The periphery of the insulating material is a wrapping layer formed by lapping of an aluminum-plastic composite tape. The periphery of the wrapping layer is provided with a water resistance layer. The periphery of the water resistance layer is provided with an outer sheath. An armor layer which is formed through diagonal lapping of the wrapping layer by a plurality of tin-plated aluminum wires is arranged between the water resistance layer and the wrapping layer. Each of the tin-plated aluminum wires which form the armor layer includes an aluminum core located at the center and a tin layer which wraps the aluminum core. A tin metal layer is arranged between the wrapping layer and the armor layer. The seabed special-purpose high-voltage power cable realizes comprehensive transmission of power and communication signals and is simple in structure, high in anti-corrosion capability and high in current-carrying capacity.
Description
Technical field
The utility model relates to power cable technical field, relates in particular to a kind of seabed special high-pressure power cable.
Background technology
Along with economic fast development, submarine cable is widely applied, simultaneously also more and more higher to the requirement of submarine cable.Environments such as subsea has the advantages that corrosivity is strong, and cable is for jamming-proof requirement, and screen generally all can be set, and can produce induced potential, thereby produce serious eddy current and magnetic hysteresis loss, and can increase the weight of corrosion harmfulness on screen, shortens the useful life of cable.Because bottom cable laying is difficult for, useful life, the too short frequent replacing submarine cable causing can cause huge economic loss.Meanwhile, because bottom cable laying cost is high, conventionally require submarine cable to there is large ampacity, and due to electric current kelvin effect, the raising of current-carrying capacity of cable need to increase the diameter of conduction cable core, and this can increase cable weight and cost greatly, and increases laying difficulty.
Utility model content
In order to solve the technical problem existing in background technology, the utility model proposes a kind of seabed special high-pressure power cable, realized the comprehensive transmission of electric power and signal of communication, it is simple in structure, and resistance to corrosion is strong and ampacity is large.
A kind of seabed special high-pressure power cable the utility model proposes, for carry out electric power transfer in seabed, comprise electric power transfer conductor and telecommunication optical fiber, the cross section of electric power transfer conductor is the annular with opening, telecommunication optical fiber is positioned at electric power transfer conductor loops, it is circular integral body that electric power transfer conductor and telecommunication optical fiber form cross section by wrapped with insulation, insulating material periphery is the coating layer of the wrapped formation of aluminium-plastic tape, coating layer periphery is provided with water blocking layer, water blocking layer periphery is oversheath, between water blocking layer and coating layer, be provided with the armour being formed by the many wrapped coating layers of zinc-plated aluminum steel oblique line, the zinc-plated aluminum steel that forms armour comprises the aluminium core body that is positioned at heart portion and the tin layer that wraps up aluminium core body, between coating layer and armour, be provided with tin metal layer.
Preferably, the interior ring of telecommunication optical fiber and electric power transfer conductor coaxially arranges.
Preferably, the cross-sectional openings width of electric power transfer conductor equates with interior ring radius size.
Preferably, the zinc-plated aluminum steel of formation armour is arranged in parallel with each other.
Preferably, the polyolefine material that oversheath adopts, its raw material components is: ethylene-vinyl acetate copolymer, 60-80 part; High density polyethylene (HDPE), 20-30 part; Ethylene propylene diene rubber, 15-25 part; Four seasons Doutrate, 3-5 part; Calcium stearate, 3-5 part; Silane coupler, 3-5 part; Aluminium hydroxide, 20-30 part; Trihydroxy methyl propane trimethyl acrylate, 10-15 part; Firebrake ZB, 5-10 part; Paris white, 5-10 part; Peroxidating two alkane, 3-5 part; Titanate esters, 1-2 part; Paraffin, 0.3-0.6 part, wherein, the ethylene-vinyl acetate copolymer that the ethylene-vinyl acetate copolymer that ethylene-vinyl acetate copolymer is 18% by vinyl acetate content and vinyl acetate content are 28% forms, and both ratios are 10:1.
In the utility model, by the cross section of electric power transfer conductor being designed to have the annular of opening, when carrying out electric current conveying, skin effect coefficient is little, can reduce power loss, thereby adapt to the conveying of the large ampacity electric current of high pressure, simultaneously, this design shape can also reduce the weight that equal electric current is carried lower electric power transfer conductor, thereby reduces manufacturing cost and lay cost; The setting of insulating material periphery by the wrapped coating layer forming of aluminium-plastic tape, can effectively play the effect of signal shielding, on the basis that is arranged on further lifting cable machinery performance of armour, can jointly form composite shielding structure with coating layer, the zinc-plated aluminum steel of the tin metal layer arranging between coating layer and armour and armour forms equipotential structure, effectively improved the decay resistance of electric cable shield structure, to adapt to the environment of seabed severe corrosive; Oversheath is as the protective to inner core-wire cable, by adopting the polyolefine material of above-mentioned raw materials component to make, can be effectively cold-resistant, and can extend the useful life of cable under the low temperature environment of seabed; Wherein, the ethylene-vinyl acetate copolymer composition that the ethylene-vinyl acetate copolymer that ethylene-vinyl acetate copolymer employing vinyl acetate content is 18% and vinyl acetate content are 28%, under the effect of trihydroxy methyl propane trimethyl acrylate, can promote the defence capability to low temperature.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of seabed special high-pressure power cable that the utility model proposes;
Fig. 2 is the partial schematic diagram of power cable shielding construction in Fig. 1.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of seabed special high-pressure power cable that the utility model proposes; Fig. 2 is the partial schematic diagram of power cable shielding construction in Fig. 1.
With reference to Fig. 1 and in conjunction with Fig. 2, a kind of seabed special high-pressure power cable the utility model proposes, for carry out electric power transfer in seabed, comprise electric power transfer conductor and telecommunication optical fiber, the cross section of electric power transfer conductor is the annular with opening, the cross-sectional openings width of electric power transfer conductor equates with interior ring radius size, telecommunication optical fiber is positioned at electric power transfer conductor loops and coaxially arranges with the ring of electric power transfer conductor, it is circular integral body that electric power transfer conductor and telecommunication optical fiber form cross section by wrapped with insulation, insulating material periphery is the coating layer of the wrapped formation of aluminium-plastic tape, coating layer periphery is provided with water blocking layer, water blocking layer periphery is oversheath, between water blocking layer and coating layer, be provided with the armour being formed by the many wrapped coating layers of zinc-plated aluminum steel oblique line, the zinc-plated aluminum steel that forms armour comprises the aluminium core body that is positioned at heart portion and the tin layer that wraps up aluminium core body, between coating layer and armour, be provided with tin metal layer, wherein, the zinc-plated aluminum steel that forms armour is arranged in parallel with each other.
In technique scheme, by the cross section of electric power transfer conductor being designed to have the annular of opening, when carrying out electric current conveying, skin effect coefficient is little, can reduce power loss, thereby adapt to the conveying of the large ampacity electric current of high pressure, simultaneously, this design shape can also reduce the weight that equal electric current is carried lower electric power transfer conductor, thereby reduces manufacturing cost and lay cost; The setting of insulating material periphery by the wrapped coating layer forming of aluminium-plastic tape, can effectively play the effect of signal shielding, on the basis that is arranged on further lifting cable machinery performance of armour, can jointly form composite shielding structure with coating layer, the zinc-plated aluminum steel of the tin metal layer arranging between coating layer and armour and armour forms equipotential structure, effectively improved the decay resistance of electric cable shield structure, to adapt to the environment of seabed severe corrosive.
In the present embodiment, the polyolefine material that oversheath adopts, its raw material components is: ethylene-vinyl acetate copolymer, 72 parts; High density polyethylene (HDPE), 23 parts; Ethylene propylene diene rubber, 21 parts; Four seasons Doutrate, 4 parts; Calcium stearate, 3 parts; Silane coupler, 5 parts; Aluminium hydroxide, 27 parts; Trihydroxy methyl propane trimethyl acrylate, 12 parts; Firebrake ZB, 7 parts; Paris white, 6 parts; Peroxidating two alkane, 5 parts; Titanate esters, 1.3 parts; Paraffin, 0.4 part, wherein, the ethylene-vinyl acetate copolymer that the ethylene-vinyl acetate copolymer that ethylene-vinyl acetate copolymer is 18% by vinyl acetate content and vinyl acetate content are 28% forms, and both ratios are 10:1.
Oversheath is as the protective to inner core-wire cable, by adopting the polyolefine material of above-mentioned raw materials component to make, can be effectively cold-resistant, and can extend the useful life of cable under the low temperature environment of seabed; Wherein, the ethylene-vinyl acetate copolymer composition that the ethylene-vinyl acetate copolymer that ethylene-vinyl acetate copolymer employing vinyl acetate content is 18% and vinyl acetate content are 28%, under the effect of trihydroxy methyl propane trimethyl acrylate, can promote the defence capability to low temperature.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and utility model design thereof, be equal to replacement or changed, within all should being encompassed in protection range of the present utility model.
Claims (4)
1. a seabed special high-pressure power cable, for carry out electric power transfer in seabed, it is characterized in that, comprise electric power transfer conductor and telecommunication optical fiber, the cross section of electric power transfer conductor is the annular with opening, telecommunication optical fiber is positioned at electric power transfer conductor loops, it is circular integral body that electric power transfer conductor and telecommunication optical fiber form cross section by wrapped with insulation, insulating material periphery is the coating layer of the wrapped formation of aluminium-plastic tape, coating layer periphery is provided with water blocking layer, water blocking layer periphery is oversheath, between water blocking layer and coating layer, be provided with the armour being formed by the many wrapped coating layers of zinc-plated aluminum steel oblique line, the zinc-plated aluminum steel that forms armour comprises the aluminium core body that is positioned at heart portion and the tin layer that wraps up aluminium core body, between coating layer and armour, be provided with tin metal layer.
2. seabed according to claim 1 special high-pressure power cable, is characterized in that, the interior ring of telecommunication optical fiber and electric power transfer conductor coaxially arranges.
3. seabed according to claim 1 special high-pressure power cable, is characterized in that, the cross-sectional openings width of electric power transfer conductor equates with interior ring radius size.
4. seabed according to claim 1 special high-pressure power cable, is characterized in that, the zinc-plated aluminum steel that forms armour is arranged in parallel with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420082536.8U CN203826063U (en) | 2014-02-25 | 2014-02-25 | Seabed special-purpose high-voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420082536.8U CN203826063U (en) | 2014-02-25 | 2014-02-25 | Seabed special-purpose high-voltage power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826063U true CN203826063U (en) | 2014-09-10 |
Family
ID=51481537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420082536.8U Expired - Fee Related CN203826063U (en) | 2014-02-25 | 2014-02-25 | Seabed special-purpose high-voltage power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826063U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871647A (en) * | 2014-02-25 | 2014-06-18 | 安徽绿洲电缆有限公司 | Special high-voltage power cable for seabed |
| CN104700935A (en) * | 2014-09-15 | 2015-06-10 | 沈群华 | Submarine high-voltage cable and production method for same |
-
2014
- 2014-02-25 CN CN201420082536.8U patent/CN203826063U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871647A (en) * | 2014-02-25 | 2014-06-18 | 安徽绿洲电缆有限公司 | Special high-voltage power cable for seabed |
| CN104700935A (en) * | 2014-09-15 | 2015-06-10 | 沈群华 | Submarine high-voltage cable and production method for same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20160225 |