CN203773979U - High-voltage photoelectric composite submarine crosslinked cable - Google Patents
High-voltage photoelectric composite submarine crosslinked cable Download PDFInfo
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- CN203773979U CN203773979U CN201420111621.2U CN201420111621U CN203773979U CN 203773979 U CN203773979 U CN 203773979U CN 201420111621 U CN201420111621 U CN 201420111621U CN 203773979 U CN203773979 U CN 203773979U
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- cable
- layer
- photoelectric composite
- high voltage
- crosslinked
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- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims abstract description 36
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- 239000011248 coating agent Substances 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 19
- 239000004020 conductor Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- -1 zinc-aluminum-magnesium Chemical compound 0.000 claims description 14
- 239000004065 semiconductor Substances 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- 239000011133 lead Substances 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 5
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Abstract
The utility model discloses a high-voltage photoelectric composite submarine crosslinked cable comprising a cable core formed by stranding three insulating wire cores. The cable core is coated with a crosslinked polyethylene insulating layer, an outer semiconductive shielding layer, a waterproof layer, a sheath layer, a liner layer and an armor layer successively. An outer coating layer is the outermost layer of the cable. According to the utility model, by arranging an optical cable unit which is in central symmetry in the armor layer and arranging a filling structure at the gap of the optical cable unit, when the cable is subjected to external extrusion, the optical cable unit will not be flattened under the protection of the inner protection layer, and at the same time, the armor layer can be used to ensure a certain displacement in the bending process, so the transmission performance of the cable can be improved. According to the utility model, the optical cable unit is made from a stainless steel casing pipe, so the convenient practicability and safe reliability of the optical cable unit can be improved. By using the submarine cable structure of the utility model, the manufacture cost can be effectively reduced, and the cable not only can be used in power transmission, and but also can be used in communication signal transmission.
Description
Technical field
The utility model belongs to field of electrical equipment, specifically refers to crosslinked cable at the bottom of a kind of high voltage luminous point compounding sea.
Background technology
Submarine cable refers to the subaqueous cable in seabed and river that is laid in, be divided into telecommunication cable and sea electric power cable, and submarine cable engineering is known as the heavy construction of complicated difficulty by countries in the world, from environment detection, marine physics investigation, and the design of cable, manufacture and installation, all apply complex technology, the manufacturing firm of submarine cable is few in number in the world simultaneously, and the sea electric power cable part of China's application at present still needs import.
China is an ocean big country, have marine site and 180000 kilometers of long coastlines of more than 300 ten thousand square kilometres, coastally be distributed with more than 6000 island, offshore oil field and natural gas are richly stored with on continental shelf, shallow sea, coastal is again China well-developed region, domestic coastal island development is badly in need of electricity consumption, owing to building, power station cost is high, the cycle long, add the factors such as fuel supply bottleneck, and the high voltage photoelectric compound cable of therefore producing this special geological surrounding that is laid in becomes the difficult problem that must capture.Photoelectric composite submarine cable is owing to being arranged on the seabed of circumstance complication, be subject to for a long time the accidental impact such as sea beat, seawater corrosion, reef and the impact of many X factors, and the frequent anchoring event occurring has also formed great destructiveness to submarine cable, the transmission performance of cable and the useful life of cable are affected greatly, therefore, solve high voltage photoelectric composite submarine cable technical problem, the market potential of the cable product of meeting the need of market is huge, and the upstream and downstream industry development of simultaneously submarine cable being produced has with family actively promotes effect.
Utility model content
The purpose of this utility model is: overcome the above-mentioned defect of prior art, a kind of anti-seawater corrosion and seepage are provided, there is different conductive sections, different mechanical strength, adapt to the special geological surroundings such as intertidal zone, subtidal zone, profundal zone, there are different construction methods, reduce and set up power station cost, meet offshore island beacon and electrical network connects, communication connects a kind of high voltage photoelectric composite submarine crosslinked cable.
The utility model is achieved through the following technical solutions: a kind of high voltage photoelectric composite submarine crosslinked cable, comprise the cable core being formed by three insulated wire cores, wrap up successively crosslinked polyetylene insulated layer, out semiconductor layer, watertight composition, restrictive coating, inner covering, armour outward at cable core, be outer coating at the outermost layer of cable, in armour, arrange and there is centrosymmetric optical cable unit, be provided with interstitital texture in optical cable unit gap.The utility model belongs to field of electrical equipment, is mainly used in the seabed that is laid in, between island and continent or island, and being connected of the electric power between land and marine wind field, offshore drilling platform and communication transfer.Submarine cable is divided into impregnated paper cable, self-tolerant oil charging cable, cross-linked polyethylene insulated cable according to type of insulation, the utility model preferably adopts twisted polyethylene cable, twisted polyethylene cable is solid insulation, in insulating material, adopt to add and can slow down the accumulation of cable insulation Space-charge, twisted polyethylene cable is met for high voltage supply, and length light with respect to other cable qualitys, that can produce, lay is longer.Out semiconductor layer in the utility model, is positioned at insulating barrier outer surface, and the semi-conductive screen band that wrapped one deck contains carbon black, in order to improve conductor Electric Field Distribution.At the wrapped one deck watertight composition in out semiconductor layer outside, i.e. the semiconductive zone of swelling that blocks water, in order to cause cable cover(ing) and insulation harm in mechanical stress or external force, when joint damages, prevent moisture or moisture along cable longitudinally or radial clearance immerse.Main improvement of the present utility model is: in armour, arrange and have centrosymmetric optical cable unit; be provided with interstitital texture in optical cable unit gap; when optical cable unit is subject to extraneous extruding; optical cable unit is subject to the protection of inner protective layer and can not be crushed, and armour lapping structure has certain displacement while ensureing bending.And the specific works principle of inner covering of the present utility model, armour, outer coating belongs to the common practise of this area, repeats no more.
Further, described insulated wire cores is by conductor and be extruded in successively semiconductive insulating barrier and the inner semiconductor layer outside conductor, and larger in conductor surrounding magnetic field field intensity, arranging of semiconductive insulating barrier and inner semiconductor layer further makes field strength distribution even.
Further, described conductor adopts and forms aluminium alloy stranded pressing of single line, and described aluminium alloy single line cross section is circular configuration, and conductor material is preferably aluminium alloy at the utility model, is conducive to improve mechanical performance and the tensile strength of cable.
Further, described optical cable unit adopts stainless steel sleeve pipe, not only convenient and practical but also safe and reliable.
Further, described optical cable unit comprises optical cable and is coated on the cable armor layer outside optical cable.
Further; described armour is zinc-aluminum-magnesium Alloy Coating Steel Wire armour; depend on to a certain extent steel wire armoured corrosion fatigue life the useful life of submarine cable; therefore; select suitable wire material; be preferably a kind of zinc-aluminum-magnesium Alloy Coating Steel Wire armouring; the oversheath being formed by middle-high density polyethylene; can overcome easy to wear, the caducous shortcoming of pitch; and can form better protection to wire armoring; wire armoring installs polypropylene rope serving outward additional, can improve the ability of the anti-sea water intrusion of cable and construction wearing and tearing.
Further, described watertight composition is metal watertight composition, when mechanical stress or external force cause damage, joint to damage to cable cover(ing) and insulating barrier, moisture or moisture is longitudinal and radial clearance immersion along cable, reduce the electrical strength of insulation, therefore from radially at the wrapped semiconductive in insulation shielding and the metal screen layer outside zone of swelling that blocks water, adding metal watertight composition in metal screen layer outside is metallic sheath, be conducive to ensure the electrical strength of insulating barrier, and then stop moisture and further diffusion and the extension of moisture in cable, make the length of damp cable drop to minimum.
Further, described outer coating internal layer is made up of bitumen compound, and skin is polypropylene layer, and the preferred internal layer of outer coating is bitumen layer, and skin is polypropylene layer, has stable frictional behaviour in cable laying, and has good anti-corrosion protection effect.
Further, described restrictive coating is metal sheath layer, described metal sheath layer is lead sheath layer, the metallic sheath of cable except can effectively shield with discharge current, also play a part effectively to block water, anti-moisture, also must bear marine hydraulic pressure, metallic sheath is preferably lead sheath, good seal performance, can prevent that moisture or moisture from entering cable insulation, and fusing point is low, extruded cable insulating outer layer at a lower temperature, corrosion resistance is better, and bending property is better, can adjust plumbous quality by lead extrusion technique according to the concrete condition in seabed.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model by arranging and have centrosymmetric cable unit in armour, optical cable unit is placed in wrapped armouring bed course, in the time that cable is subject to extraneous extruding, optical cable unit is subject to the protection of armouring sheath and can not be crushed, lapping structure has ensured when bending have certain displacement, thereby has ensured the transmission performance of cable;
(2) the utility model adopts stainless steel sleeve pipe by optical cable unit, has improved convenient and practical property and the security reliability of optical cable unit;
(3) the utility model submarine cable structure has effectively improved transportation performance, and has saved to a certain extent and manufactured and lay expense, can be used for transferring electric power, can be used for again transmit communications signals, of many uses.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein: 1-conductor, 2-semiconductive insulating barrier, 3-inner semiconductor layer, 4-crosslinked polyetylene insulated layer, 5-optical cable, 6-cable armor layer, 7-out semiconductor layer, 8-watertight composition, 9-restrictive coating, 10-inner covering, 11-interstitital texture, 12-armour, 13-outer coating.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Embodiment 1:
The primary structure of the present embodiment, as shown in Figure 1, a kind of high voltage photoelectric composite submarine crosslinked cable, comprise by three stranded cable cores that form of insulated wire cores, wrap up successively crosslinked polyetylene insulated layer 4 outward at cable core, out semiconductor layer 7, watertight composition 8, restrictive coating 9, inner covering 10, armour 12, be outer coating 13 at the outermost layer of cable 5, in armour 12, arrange and there is centrosymmetric optical cable unit, be provided with interstitital texture 11 in optical cable unit gap, this seabed crosslinked cable belongs to field of electrical equipment, be mainly used in the seabed that is laid in, between island and continent or island, land and marine wind field, electric power between offshore drilling platform and the connection of communication transfer.Submarine cable is divided into impregnated paper cable, self-tolerant oil charging cable, cross-linked polyethylene insulated cable according to type of insulation, the utility model preferably adopts twisted polyethylene cable, twisted polyethylene cable is solid insulation, in insulating material, adopt to add and can slow down the accumulation of cable insulation Space-charge, twisted polyethylene cable is met for high voltage supply, and length light with respect to other cable qualitys, that can produce, lay is longer.The out semiconductor layer of cable, is positioned at insulating barrier outer surface, and the semi-conductive screen band that wrapped one deck contains carbon black, in order to improve conductor Electric Field Distribution.At the wrapped one deck watertight composition in out semiconductor layer outside, i.e. the semiconductive zone of swelling that blocks water, in order to cause cable cover(ing) and insulation harm in mechanical stress or external force, when joint damages, prevent moisture or moisture along cable longitudinally or radial clearance immerse.And by arranging and there is centrosymmetric optical cable unit in armour; be provided with interstitital texture in optical cable unit gap; when optical cable unit is subject to extraneous extruding; optical cable unit is subject to the protection of inner protective layer and can not be crushed; armour lapping structure has ensured when bending have certain displacement, thereby has ensured the transmission performance of cable.
Embodiment 2:
The present embodiment defines insulated wire cores by conductor 1 and is extruded in successively semiconductive insulating barrier 2 and the inner semiconductor layer 3 outside conductor 1 on the basis of embodiment 1; Described conductor 1 adopts stranded pressing of aluminium alloy single line to form, and described aluminium alloy single line cross section is circular configuration, and conductor material is preferably aluminium alloy at the utility model, is conducive to improve mechanical performance and the tensile strength of cable; Described optical cable unit adopts stainless steel sleeve pipe, has improved convenient and practical property and the security reliability of optical cable unit; Described optical cable unit comprises optical cable 5 and is coated on the cable armor layer 6 outside optical cable; cable armor layer 6 is preferably the cold-drawn flat type copper wire composition of a formable layer; be used for protecting cable to avoid extraneous mechanical injuries, as the main bearing member of cable, meet the requirement of strength of cable machinery.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 3:
The present embodiment at the enterprising one-step optimization in the basis of above-described embodiment submarine cable structure, watertight composition 8 is further defined to metal watertight composition, described metal watertight composition adopts lead, aluminium, stainless steel metal sealing shroud, be mainly used in the time that cable is damaged, prevent that cable is subject to the invasion and attack of moisture and moisture; Described outer coating 13 internal layers are made up of bitumen compound, and skin is polypropylene layer, when cable is when laying, have stable frictional behaviour, and can well play anti-corrosion protection effect; Described restrictive coating 9 is metal sheath layer.Described metal sheath layer is lead sheath layer, the metallic sheath of cable is except shield electromagnetic is closed leakage current, and further play a part to block water, anti-moisture, metallic sheath is preferably lead sheath, adopt lead sheath good seal performance, can prevent that moisture or moisture from entering cable, has good decay resistance.Other parts of the present embodiment are same as the previously described embodiments, repeat no more.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technical spirit of the present utility model is done above embodiment, all fall into protection range of the present utility model.
Claims (10)
1. a high voltage photoelectric composite submarine crosslinked cable, comprise by three stranded cable cores that form of insulated wire cores, wrap up successively crosslinked polyetylene insulated layer (4), out semiconductor layer (7), watertight composition (8), restrictive coating (9), inner covering (10), armour (12) outward at cable core, described cable core outermost layer is outer coating (13), it is characterized in that: in armour (12), arrange and there is centrosymmetric optical cable unit, be provided with interstitital texture (11) in optical cable unit gap.
2. a kind of high voltage photoelectric composite submarine crosslinked cable according to claim 1, is characterized in that: described insulated wire cores is by conductor (1) and be extruded in successively conductor (1) outer semiconductive insulating barrier (2) and inner semiconductor layer (3).
3. a kind of high voltage photoelectric composite submarine crosslinked cable according to claim 1 and 2, is characterized in that: described conductor (1) adopts and forms aluminium alloy stranded pressing of single line, and described aluminium alloy single line cross section is circular configuration.
4. a kind of high voltage photoelectric composite submarine crosslinked cable according to claim 1, is characterized in that: described optical cable unit adopts stainless steel sleeve pipe.
5. according to a kind of high voltage photoelectric composite submarine crosslinked cable described in claim 1 or 4, it is characterized in that: described optical cable unit comprises optical cable (5) and is coated on the outer cable armor layer (6) of optical cable (5).
6. a kind of high voltage photoelectric composite submarine crosslinked cable according to claim 1, is characterized in that: described armour (12) is zinc-aluminum-magnesium Alloy Coating Steel Wire armour.
7. a kind of high voltage photoelectric composite submarine crosslinked cable according to claim 1, is characterized in that: described watertight composition (8) is metal watertight composition.
8. a kind of high voltage photoelectric composite submarine crosslinked cable according to claim 1, is characterized in that: described outer coating (13) internal layer is made up of bitumen compound, skin is polypropylene layer.
9. a kind of high voltage photoelectric composite submarine crosslinked cable according to claim 1, is characterized in that: described restrictive coating (9) is metal sheath layer.
10. a kind of high voltage photoelectric composite submarine crosslinked cable according to claim 9, is characterized in that: described metal sheath layer is lead sheath layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420111621.2U CN203773979U (en) | 2014-03-12 | 2014-03-12 | High-voltage photoelectric composite submarine crosslinked cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420111621.2U CN203773979U (en) | 2014-03-12 | 2014-03-12 | High-voltage photoelectric composite submarine crosslinked cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203773979U true CN203773979U (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420111621.2U Expired - Lifetime CN203773979U (en) | 2014-03-12 | 2014-03-12 | High-voltage photoelectric composite submarine crosslinked cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203773979U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225758A (en) * | 2015-11-10 | 2016-01-06 | 山东泉兴银桥光电缆科技发展有限公司 | A kind of high conductivity high-tension electricity handling cable |
| CN107099092A (en) * | 2017-04-07 | 2017-08-29 | 安徽省无为县经纬电缆附件有限公司 | A kind of power-frequency electromagnetic fields |
-
2014
- 2014-03-12 CN CN201420111621.2U patent/CN203773979U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225758A (en) * | 2015-11-10 | 2016-01-06 | 山东泉兴银桥光电缆科技发展有限公司 | A kind of high conductivity high-tension electricity handling cable |
| CN107099092A (en) * | 2017-04-07 | 2017-08-29 | 安徽省无为县经纬电缆附件有限公司 | A kind of power-frequency electromagnetic fields |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |