CN205984346U - Big cross -section molded lines conductor 500kV exchanges submarine cable - Google Patents
Big cross -section molded lines conductor 500kV exchanges submarine cable Download PDFInfo
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- CN205984346U CN205984346U CN201620848482.0U CN201620848482U CN205984346U CN 205984346 U CN205984346 U CN 205984346U CN 201620848482 U CN201620848482 U CN 201620848482U CN 205984346 U CN205984346 U CN 205984346U
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Abstract
The utility model discloses a big cross -section molded lines conductor 500kV exchanges submarine cable, include by the interior molded lines that sets gradually outside to the copper conductor that blocks water, conductor shield, the insulating layer, insulation screen blocks water the area around covering, metal protective layer, polyethylene sheath, armor and outer jacket, the molded lines block water the copper conductor by the center conductor sinle silk, trapezoidal copper single line, the filler material that blocks water is constituteed. The center conductor sinle silk adopt the metallizing layer or not the circular copper single line layering on metallizing layer sticis the hank and make, the center conductor sinle silk according to whole cross sectional area of conductor select to have the individual layer hank with or have the layering of multilayer monofilament and sticis the hank and make. The utility model discloses a submarine cable can satisfy 2000mm2 and above large size conductor continuous production, and compares with compacted conductor with the cross -section conductor, and the conductor external diameter is little, and filling coefficient is high, and the block -water performance is excellent, has advantages such as the transmission current -carrying capacity is big, dielectric loss low, production efficiency is high, the operation maintenance is convenient, has led the technological innovation of world's cable industry.
Description
Technical field
This utility model is related to a kind of submarine cable, particularly to a kind of crosslinked poly- using heavy in section molded line conductor 500kV
Ethylene insulation exchange sea electric power cable, this utility model belongs to technical field of cable.
Background technology
2000mm2Section and round compacted comductor can be adopted at present with lower conductor, but section is more than 2000mm2During section, existing
There is capacity of equipment cannot meet, but electrical network tomorrow requirement transmission capacity is increasing, this is accomplished by developing big section of new structure
Face water-blocking conductor adapts to the needs of more high-transmission capacity extra large cable, and closely, activity coefficient is high, water preventing ability for heavy in section molded line conductor structure
Can be excellent, submarine transmission needs can be met and long length produces.
500kV cross-linked polyethylene insulated cable first Application in 1997 is in hydroenergy storage station, the crosslinked poly- second of 500kV afterwards
Alkene insulated power cable is widely used in urban distribution network and large industrial enterprise.Improve with manufacturing process and 500kV is crosslinked
Polyethylene-insulated power cable Practical Project operating experience make supertension extrude the reliability of cross-linked polyethylene insulated cable also by
Step obtains approval, is that the development of 500kV cross-linked polyethylene insulating submarine power cable is laid a good foundation.
China's ocean development and the fast development of offshore island industry and tourist industry, increasing to the demand of electric power, former
220kV and following extra large cable circuit can not meet the electricity needs of rapid growth, and the development of coastal wind-powered electricity generation is also required to get more and more
High-pressure undersea cable wind energy is sent electric energy transmission close on electrical network, between island power supply transmission line capability demand also increasing,
Therefore 500kV submarine cable in the urgent need to.
Utility model content
Utility model purpose：The purpose of this utility model is to solve deficiency of the prior art, providing a kind of big section
Face molded line conductor 500kV exchanges submarine cable, and it is good to have a block-water performance, and transmission current-carrying capacity is high, dielectric loss is little, production efficiency
Height, molded line conductor can meet long length and produce needs, and is easily installed the advantages of lay and safeguard.
Technical scheme：A kind of heavy in section molded line conductor 500kV described in the utility model exchanges submarine cable, including molded line
Block water copper conductor, conductor shield, insulating barrier, insulation screen, waterstop lapping layer, metal sheath, polyethylene sheath, armouring
Layer and outer jacket；It is provided with conductor shield outside water-blocking conductor, be provided with insulating barrier outside conductor shield, outside insulating barrier
It is provided with insulation screen, is provided with waterstop lapping layer outside insulation screen, outside waterstop lapping layer, be provided with metal
Sheath, is provided with polyethylene sheath outside metal sheath, is provided with armor, is provided with outside armor outside polyethylene sheath
Outer jacket；
Described molded line blocks water copper conductor by center conductor core, trapezoidal copper single line, and the packing material that blocks water forms.
Further, described center conductor core is layered using metal cladding or the not circular copper single line of metal cladding and presses
Twist and make, center conductor core according to whole cross-sectional area of conductor select have monolayer twist and or have multilamellar monofilament layering press
Twist and make；In center conductor core outer layer, multilamellar difference root is set gradually according to trapezoidal copper single line size and cross-sectional area of conductor design
The trapezoidal copper single line of number, the trapezoidal copper single line of each layer equivalently-sized or different, in each lamellar spacing of center conductor and trapezoidal copper
Single line is provided with, in gap, the packing material that blocks water, and the packing material that blocks water is using in waterstop, water-proofing powder, water blocking yarn or the glue that blocks water one
Kind or several be used together.
Further, described conductor shield ties up using semiconductive that waterstop is wrapped and ultra-smooth semiconductive shieldin material
Extrude composition.
Further, described waterstop lapping layer adopts semiconductor waterstop overlapping material wrapped on insulation shielding, resistance
Water band specific insulation ＜ 1 × 105Ω .cm, as buffer protection layer and longitudinal water-blocking layer.
Further, described metal sheath adopts continuous sealing structure, is directly squeezed using the excellent alloy lead of processing characteristics
Wrap on semi-conducting water-resistant tape layer, as radial direction waterproof layer.
Further, described polyethylene sheath is directly squeezed using semiconductive polyethylene or insulation polythene thermoplastic protective cover material
Bag, on metal sheath, is further used as radial direction waterproof layer.
Further, described armor is wound around composition using using round copper wire or flat copper silk, and round steel wire or flat may also be employed
Steel wire winding forms.
Further, described outer jacket is by the polypropylene PP cordage directly wrapped armouring of Colophonium coating and diameter 2 ~ 4mm
Form on layer, Colophonium adopts high-melting-point, high adhesion, the special asphalt of resistance to embrittlement, PP cordage adopts the high intensity such as wear-resisting, anticorrosive
Material.
Beneficial effect：The beneficial effects of the utility model are as follows：
（1）Molded line conductor 500kV exchange submarine cable in heavy in section can meet 2000mm2And above large size conductor is continuous
Produce, and with segmental conductor compared with compact conductor, conductor diameter is little, activity coefficient is high, block-water performance is excellent, there is transmission and carry
The advantages of flow is big, dielectric loss is low, production efficiency is high, operation maintenance facilitates, has led the technological innovation of world's Cable industry；
（2）Molded line conductor 500kV exchange insulation submarine cable in heavy in section has filled up state, inside and outside blank；
（3）National resources development strategy complied with by molded line conductor 500kV crosslinked polyetylene insulated submarine cable in heavy in section, full
The needs of sufficient national energy building security, produce far-reaching influence to China's economic development.
Brief description
Fig. 1 is submarine cable structure sectional view of the present utility model；
Fig. 2 blocks water copper conductor structural representation for molded line of the present utility model.
Specific embodiment
A kind of heavy in section molded line conductor 500kV exchange submarine cable as shown in Figure 1 include molded line block water copper conductor 1, lead
Body screen layer 2, insulating barrier 3, insulation screen 4, waterstop lapping layer 5, metal sheath 6, polyethylene sheath 7, armor 8, outer
Sheath 9.It is provided with conductor shield 2 outside water-blocking conductor 1, be provided with insulating barrier 3 outside conductor shield 2, outside insulating barrier 3
It is provided with insulation screen 4, outside insulation screen 4, is provided with waterstop lapping layer 5, be provided with outside waterstop lapping layer 5
Metal sheath 6, is provided with polyethylene sheath 7 outside metal sheath 6, is provided with armor 8, in armouring outside polyethylene sheath 7
It is provided with outer jacket 9 outside layer 8.
As shown in Fig. 2 described molded line blocks water copper conductor by center conductor core 10, trapezoidal copper single line 11, block water filling
Material 12 forms.Center conductor core 10 is layered using metal cladding or the not circular copper single line of metal cladding and presses strand and system
One-tenth, center conductor core 10 selects to have monolayer strand and/or have the layering of multilamellar monofilament to press strand and system according to whole cross-sectional area of conductor
Become, in center conductor core outer layer, the ladder of multilamellar difference radical is set gradually according to trapezoidal copper single line size and cross-sectional area of conductor design
Shape copper single line, the size of the trapezoidal copper single line of each layer can be the same or different, in each lamellar spacing of center conductor and trapezoidal copper
Single line is provided with, in gap, the packing material that blocks water, and the packing material that blocks water is using in waterstop, water-proofing powder, water blocking yarn or the glue that blocks water one
Kind or several be used together.
Described conductor shield 2, insulating barrier 3, insulation screen 4 are using extrusion way simultaneously.
Described conductor shield 2 using semiconductive tie up waterstop wrapped+ultra-smooth semiconductive shieldin material extrudes composition.
Described insulating barrier 3 is uniformly extruded on conductor shielding using ultra-clean cross-linked polyethylene insulating material material.
Described insulation screen 4 is directly extruded on the insulating layer using ultra-smooth semiconductive shieldin material.
Described waterstop lapping layer 5 adopts semiconductor waterstop overlapping material wrapped on insulation shielding, and block water belt body
Long-pending resistivity ＜ 1 × 105Ω .cm, as buffer protection layer and longitudinal water-blocking layer.
Described metal sheath 6 adopts continuous sealing structure, is directly extruded in half using the excellent alloy lead of processing characteristics
On conductive waterstop lapping layer, as radial direction waterproof layer.
Described polyethylene sheath 7 is directly extruded in gold using semiconductive polyethylene or insulation polythene thermoplastic protective cover material
Belong on sheath, be further used as radial direction waterproof layer.
Described armor 8 is wound around composition using using round copper wire or flat copper silk, round steel wire may also be employed or flat wire twines
Around composition.
Described outer jacket 9 is by the polypropylene PP cordage directly group on wrapped armor of Colophonium coating and diameter 2 ~ 4mm
Become, Colophonium adopts high-melting-point, high adhesion, the special asphalt of resistance to embrittlement, PP cordage adopts the high-strength material such as wear-resisting, anticorrosive.
The above, be only preferred embodiment of the present utility model, not this utility model is made any formal
Restriction although this utility model is disclosed above with preferred embodiment, but be not limited to this utility model, any ripe
Know professional and technical personnel, in the range of without departing from technical solutions of the utility model, when in the technology of available the disclosure above
Hold and make a little Equivalent embodiments changing or be modified to equivalent variations, as long as without departing from technical solutions of the utility model
Hold, any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, all still
Belong in the range of technical solutions of the utility model.
Claims (8)
1. a kind of heavy in section molded line conductor 500kV exchange submarine cable it is characterised in that：Block water copper conductor including molded line（1）, lead
Body screen layer（2）, insulating barrier（3）, insulation screen（4）, waterstop lapping layer（5）, metal sheath（6）, polyethylene sheath
（7）, armor（8）And outer jacket（9）；In water-blocking conductor（1）It is provided with outward conductor shield（2）, in conductor shield（2）Outward
It is provided with insulating barrier（3）, in insulating barrier（3）It is provided with outward insulation screen（4）, in insulation screen（4）It is provided with outward and block water
Band lapping layer（5）, in waterstop lapping layer（5）It is provided with outward metal sheath（6）, in metal sheath（6）It is provided with outward polyethylene
Sheath（7）, in polyethylene sheath（7）It is provided with outward armor（8）, in armor（8）It is provided with outward outer jacket（9）；
Described molded line blocks water copper conductor（1）By center conductor core（10）, trapezoidal copper single line（11）, block water packing material（12）
Composition.
2. a kind of heavy in section molded line conductor 500kV exchange submarine cable according to claim 1 it is characterised in that：Described
Center conductor core（10）Pressed using metal cladding or the not circular copper single line layering of metal cladding and twist and make, center conductor
Core（10）According to whole cross-sectional area of conductor select have monolayer twist and or have multilamellar monofilament layering press strand and make；In
Heart conductor thread core（10）Outer layer sets gradually the trapezoidal of multilamellar difference radical according to trapezoidal copper single line size and cross-sectional area of conductor design
Copper single line, the trapezoidal copper single line of each layer equivalently-sized or different, in each lamellar spacing of center conductor and trapezoidal copper single line gap
In be provided with the packing material that blocks water（12）, block water packing material（12）Using in waterstop, water-proofing powder, water blocking yarn or the glue that blocks water one
Kind or several be used together.
3. a kind of heavy in section molded line conductor 500kV exchange submarine cable according to claim 1 it is characterised in that：Described
Conductor shield（2）Tie up using semiconductive that waterstop is wrapped and ultra-smooth semiconductive shieldin material extrudes composition.
4. a kind of heavy in section molded line conductor 500kV exchange submarine cable according to claim 1 it is characterised in that：Described
Waterstop lapping layer（5）Using semiconductor waterstop overlapping material wrapped on insulation shielding, waterstop specific insulation ＜ 1 ×
105Ω .cm, as buffer protection layer and longitudinal water-blocking layer.
5. a kind of heavy in section molded line conductor 500kV exchange submarine cable according to claim 1 it is characterised in that：Described
Metal sheath（6）Using continuous sealing structure, using the excellent alloy lead of processing characteristics be directly extruded in semiconductor waterstop around
Covering（5）On, as radial direction waterproof layer.
6. a kind of heavy in section molded line conductor 500kV exchange submarine cable according to claim 1 it is characterised in that：Described
Polyethylene sheath（7）Metal sheath is directly extruded in using semiconductive polyethylene or insulation polythene thermoplastic protective cover material（6）On,
It is further used as radial direction waterproof layer.
7. a kind of heavy in section molded line conductor 500kV exchange submarine cable according to claim 1 it is characterised in that：Described
Armor（8）It is wound around composition using using round copper wire or flat copper silk, round steel wire may also be employed or flat wire is wound around composition.
8. a kind of heavy in section molded line conductor 500kV exchange submarine cable according to claim 1 it is characterised in that：Described
Outer jacket（9）Directly be made up of on wrapped armor the polypropylene PP cordage of Colophonium coating and diameter 2 ~ 4mm, Colophonium is using height
Fusing point, high adhesion, the special asphalt of resistance to embrittlement, PP cordage adopts the high-strength material such as wear-resisting, anticorrosive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620848482.0U CN205984346U (en) | 2016-08-08 | 2016-08-08 | Big cross -section molded lines conductor 500kV exchanges submarine cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620848482.0U CN205984346U (en) | 2016-08-08 | 2016-08-08 | Big cross -section molded lines conductor 500kV exchanges submarine cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205984346U true CN205984346U (en) | 2017-02-22 |
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| CN201620848482.0U Active CN205984346U (en) | 2016-08-08 | 2016-08-08 | Big cross -section molded lines conductor 500kV exchanges submarine cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111326288A (en) * | 2020-04-01 | 2020-06-23 | 杭州智海人工智能有限公司 | Wind power generation high-voltage direct-current submarine cable |
-
2016
- 2016-08-08 CN CN201620848482.0U patent/CN205984346U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111326288A (en) * | 2020-04-01 | 2020-06-23 | 杭州智海人工智能有限公司 | Wind power generation high-voltage direct-current submarine cable |
| CN111326288B (en) * | 2020-04-01 | 2021-03-30 | 杭州智海人工智能有限公司 | Wind power generation high-voltage direct-current submarine cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China Patentee after: Zhongtian Technology submarine cable Co., Ltd Address before: 226000 No. 1 Xin Kai Nan Road, Nantong economic and Technological Development Zone, Jiangsu Patentee before: ZHONGTAN TECHNOLOGY SUBMARINE CABLE Co.,Ltd. |
|
| CP03 | "change of name, title or address" |