CN103871647A - Special high-voltage power cable for seabed - Google Patents
Special high-voltage power cable for seabed Download PDFInfo
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- CN103871647A CN103871647A CN201410065573.2A CN201410065573A CN103871647A CN 103871647 A CN103871647 A CN 103871647A CN 201410065573 A CN201410065573 A CN 201410065573A CN 103871647 A CN103871647 A CN 103871647A
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- seabed
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Abstract
The invention discloses a special high-voltage power cable for seabed. The special high-voltage power cable is used for power transmission at the seabed and comprises a power transmission conductor and a communication optical fiber, wherein 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 insulation material to form a whole with a circular cross section; a cladding layer which is formed by wrapping an aluminium plastic composite belt is arranged on the periphery of the insulation material; a waterproof layer is arranged on the periphery of the cladding layer; an outer sheath layer is arranged on the periphery of the waterproof layer; an armor layer which is formed in a way that a plurality of tinning aluminium wires wrap the cladding layer along the oblique lines is arranged between the waterproof layer and the cladding layer; the tinning aluminium wires which form the armor layer comprise aluminium core bodies which are located in the center and tin layers which cover the aluminium core bodies; a tin metal layer is arranged between the cladding layer and the armor layer. According to the special high-voltage power cable for seabed, the comprehensive transmission of electric power and communication signals is realized, the structure is simple, the resistance to corrosion is strong, and the carrying capacity is large.
Description
Technical field
The present invention relates to power cable technical field, relate 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.
Summary of the invention
In order to solve the technical problem existing in background technology, the present invention proposes a kind of seabed special high-pressure power cable, realize 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 that the present invention 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 entirety 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 of composition 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 present invention, by the cross section of electric power transfer conductor being designed to have the annular of opening, in the time 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 equal electric current and carry the weight of lower electric power transfer conductor, thereby reduces manufacturing cost and lay cost; The setting of insulating material periphery can effectively play the effect of signal shielding by the wrapped coating layer forming of aluminium-plastic tape, 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 improve 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, makes by the polyolefine material that adopts above-mentioned raw materials component, can be effectively cold-resistant, 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.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of seabed special high-pressure power cable of proposing of the present invention;
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 of proposing of the present invention; 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 that the present invention 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 entirety 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 of composition 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, in the time 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 equal electric current and carry the weight of lower electric power transfer conductor, thereby reduces manufacturing cost and lay cost; The setting of insulating material periphery can effectively play the effect of signal shielding by the wrapped coating layer forming of aluminium-plastic tape, 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 improve 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, makes by the polyolefine material that adopts above-mentioned raw materials component, can be effectively cold-resistant, 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 present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
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 entirety 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 of composition 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 |
|---|---|---|---|
| CN201410065573.2A CN103871647B (en) | 2014-02-25 | 2014-02-25 | A kind of seabed special high-pressure power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065573.2A CN103871647B (en) | 2014-02-25 | 2014-02-25 | A kind of seabed special high-pressure power cable |
Publications (2)
| Publication Number | Publication Date |
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| CN103871647A true CN103871647A (en) | 2014-06-18 |
| CN103871647B CN103871647B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410065573.2A Expired - Fee Related CN103871647B (en) | 2014-02-25 | 2014-02-25 | A kind of seabed special high-pressure power cable |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9093194B2 (en) | 2009-07-16 | 2015-07-28 | 3M Innovative Properties Company | Insulated composite power cable and method of making and using same |
| CN105810339A (en) * | 2016-04-18 | 2016-07-27 | 安徽龙庵电缆集团有限公司 | High- and low-temperature resistant and compression resistant single-core photovoltaic cable with rated DC voltage of 1,800V |
| CN106024145A (en) * | 2016-05-19 | 2016-10-12 | 安徽华源电缆集团有限公司 | Waterproof cable for underwater use |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06325625A (en) * | 1993-05-10 | 1994-11-25 | Furukawa Electric Co Ltd:The | Submarine power cable |
| CN201160014Y (en) * | 2007-12-13 | 2008-12-03 | 上海波汇通信科技有限公司 | High voltage power cable of composite optical fiber |
| CN201402663Y (en) * | 2009-05-04 | 2010-02-10 | 江苏亨通电力电缆有限公司 | 10kV waterproof power cable for crossing-river crossing-lake transmit electricity |
| CN102254614A (en) * | 2011-05-06 | 2011-11-23 | 无锡市曙光电缆有限公司 | Aluminum wire armored ultrahigh pressure power cable |
| CN102354569A (en) * | 2011-09-22 | 2012-02-15 | 安徽省电力公司合肥供电公司 | Diameter-expanding cable |
| CN203826063U (en) * | 2014-02-25 | 2014-09-10 | 安徽绿洲电缆有限公司 | Seabed special-purpose high-voltage power cable |
-
2014
- 2014-02-25 CN CN201410065573.2A patent/CN103871647B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06325625A (en) * | 1993-05-10 | 1994-11-25 | Furukawa Electric Co Ltd:The | Submarine power cable |
| CN201160014Y (en) * | 2007-12-13 | 2008-12-03 | 上海波汇通信科技有限公司 | High voltage power cable of composite optical fiber |
| CN201402663Y (en) * | 2009-05-04 | 2010-02-10 | 江苏亨通电力电缆有限公司 | 10kV waterproof power cable for crossing-river crossing-lake transmit electricity |
| CN102254614A (en) * | 2011-05-06 | 2011-11-23 | 无锡市曙光电缆有限公司 | Aluminum wire armored ultrahigh pressure power cable |
| CN102354569A (en) * | 2011-09-22 | 2012-02-15 | 安徽省电力公司合肥供电公司 | Diameter-expanding cable |
| CN203826063U (en) * | 2014-02-25 | 2014-09-10 | 安徽绿洲电缆有限公司 | Seabed special-purpose high-voltage power cable |
Non-Patent Citations (1)
| Title |
|---|
| 汪景璞: "其它导电金属", 《电缆材料》, 30 November 1983 (1983-11-30), pages 95 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9093194B2 (en) | 2009-07-16 | 2015-07-28 | 3M Innovative Properties Company | Insulated composite power cable and method of making and using same |
| CN105810339A (en) * | 2016-04-18 | 2016-07-27 | 安徽龙庵电缆集团有限公司 | High- and low-temperature resistant and compression resistant single-core photovoltaic cable with rated DC voltage of 1,800V |
| CN106024145A (en) * | 2016-05-19 | 2016-10-12 | 安徽华源电缆集团有限公司 | Waterproof cable for underwater use |
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| Publication number | Publication date |
|---|---|
| CN103871647B (en) | 2016-08-24 |
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