CN205582610U - Waterproof type middling pressure crosslinked cable - Google Patents
Waterproof type middling pressure crosslinked cable Download PDFInfo
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- CN205582610U CN205582610U CN201620320559.7U CN201620320559U CN205582610U CN 205582610 U CN205582610 U CN 205582610U CN 201620320559 U CN201620320559 U CN 201620320559U CN 205582610 U CN205582610 U CN 205582610U
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Abstract
The utility model discloses a waterproof type middling pressure crosslinked cable, including the cable core, the cable core has set gradually the second outward and has blocked water the area around covering, water blocking layer, inner liner, armor and outer jacket, cable core and second block water to take there is crowded package filling layer around filling between the covering, the cable core comprises many insulation core, insulation core is including the conductor that blocks water, and the conductor that blocks water has set gradually semi -conductive water -blocking tapes outward and has wound covering, conductor shield, insulating layer, insulation screen, semiconduction and block water inflation lacing, copper strip shielding layer, the first area that blocks water around the covering. The utility model discloses a three -layer is crowded technique and the vertical radial technique of blocking water altogether, makes the cable have excellent blocking water and water -resistant tree performance, high electrical property, and the stability and the security that have improved the middling pressure power supply line have prolonged cable life, have reduced power supply cost.
Description
Technical field
This utility model relates to field of cables, particularly to pressing crosslinked cable in one.
Background technology
The application history of existing thirties years of domestic crosslinked polyethylene (XLPE) insulated power cable, because of it
Good electrically and mechanically physical property, and have that production technology is simple, portable construction, transferring content are big,
Mounting and installation and maintaining be convenient, not by advantages such as drop are limited, obtained widely in power system
Application.But it issues unboiled water tree at steam and highfield and causes cable breakdown, leverage the fortune of cable
Row safety and service life.Along with people are to cable insulation water suction and the research of water tree and the intensification of understanding, people
Have become increasingly aware of the water resistance importance to medium-pressure power cable, higher or the most in level of ground water
Rain area (such as China the Changjiang river areas to the south), increasing user proposes the requirement blocked water to cable.
Therefore, the midium voltage cable developing a kind of good water-proof effect seems the most urgent to meet to be actually needed.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides pressure in the water proof type of a kind of excellent performance and hands over
Connection cable, meets client's demand to pressing cross-linked power cable in water proof type.
The technical solution of the utility model is as follows:
A kind of water proof type presses crosslinked cable, including cable core, is disposed with the second waterstop outside cable core wrapped
Layer, water blocking layer, inner liner, armor and outer jacket；It is filled with between cable core and the second waterstop lapping layer
Extrude packed layer；Described cable core is made up of many insulated wire cores, and described insulated wire cores includes water-blocking conductor, resistance
Be disposed with outside water conductor semi-conducting water-resistant tape layer, conductor shield, insulating barrier, insulation screen,
Semiconductive blocks water and expands belt, copper strip shielding layer, the first waterstop lapping layer.
Preferably, described water-blocking conductor, for using many soft copper silks and the regular lay configuration of spun yarn that blocks water, blocks water
The coefficient that presses of conductor is more than 0.9.
Preferably, described conductor shield, insulating barrier and insulating barrier are shielding for cross-linked three-layer co-extrusion and go out structure.
Preferably, described insulating barrier uses water resistant tree crosslinked polyethylene insulation material.
Preferably, extrude packed layer employing described in and block water rubber as packing material.
Preferably, described outer jacket uses high-density polyethylene material.
Preferably, described inner liner uses low-density polyethylene material.
Preferably, described water blocking layer uses aluminium-plastic tape.
Compared with the prior art, this utility model has the beneficial effect that:
1, this utility model has considered the relation of block-water effect and processing, and water-blocking conductor uses many soft coppers
Molding is pressed in silk and the regular lay configuration of spun yarn that blocks water, layering, it is ensured that the tight and Stability Analysis of Structures of conductor.
Compressing mold is diamond coatings nanometer mould, presses coefficient and reaches more than 0.9, and block-water effect is good.
2, this utility model insulating barrier uses water resistant tree crosslinked polyethylene material, can effectively prevent outside moisture from permeating
Cheng Shuishu is grown in the insulating barrier of cable.
3, this utility model uses and extrudes the rubber that blocks water as packed layer, devises double-deck waterstop in cable core
Lapping layer, devises vertical alclad plastic composite strip layer outside cable core, inner liner selects low-density polyethylene material, makes
It produces the synergistic effect that blocks water, good water-proof effect.
4, this utility model oversheath uses high density polyethylene (HDPE) material to extrude, and material itself is waterproof and anticorrosive property
Good, easily process, low cost, effective.
5, this utility model structure innovation, material is novel, uses three-layer co-extruded technology and longitudinal radial water-resisting skill
Art, makes cable have blocking water and water tree resistant property, high electrical performance of excellence, improves medium voltage line
Stability and safety, extend cable service life, reduce power supply cost.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
In figure, 1, water-blocking conductor, 2, semi-conducting water-resistant tape layer, 3, conductor shield, 4, insulation
Layer, 5, insulation screen, 6, semiconductive block water expansion belt, 7, copper strip shielding layer, 8, first blocks water
Band lapping layer, 9 extrude packed layer, the 10, second waterstop lapping layer, and 11, water blocking layer, 12, inner liner,
13, armor, 14, outer jacket.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing to this
Utility model is described in further detail.
With reference to the structural representation shown in Fig. 1, pressing cross-linked power cable in a kind of water proof type, water-blocking conductor 1 is adopted
With many soft copper silks with block water the regular lay configuration of spun yarn, molding is pressed in layering, it is ensured that conductor closely and
Stability Analysis of Structures.Compressing mold is diamond coatings nanometer mould, presses coefficient and is not less than 0.9, and block-water effect is good.Block water
The outer wrapped semiconductor waterstop 2 of conductor 1；With the water-blocking conductor 1 of wrapped semiconductor waterstop 2 through three-layer co-extruded
Extruding conductor shield 3, insulating barrier 4, insulating barrier shielding 5 formation insulated wire cores successively, described insulating barrier is anti-
Water tree crosslinked polyethylene insulation material.Then in insulated wire cores wrapped semiconductive block water expansion band 6, copper strips screen
Cover layer the 7, first waterstop lapping layer 8.Three insulated wire cores dextrad strandings.Resistance is extruded in insulated wire cores gap
Water rubber filling layer 9；With rubber extruding machine, rubber is clamp-oned in cable core gap when stranding, utilize rubber and cable core
Good contact can play the effect blocked water, and additionally when meeting water, rubber can expand rapidly and is completely filled with between cable core
Gap, makes block-water performance relatively reliable.Cable core arranges the second waterstop lapping layer 10, vertical alclad plastic composite strip
Water blocking layer 11, extrude Low Density Polyethylene inner liner 12, steel wire armor layer 13 and outer jacket 14.Protect outside described
Layer uses high-density polyethylene material, has the environmental resistance that blocks water of excellence.
Certain above-mentioned embodiment only for technology of the present utility model design and feature are described, its object is to allow
Person skilled in the art will appreciate that content of the present utility model and implements according to this, can not limit this with this
The protection domain of utility model.All modifications done according to the spirit of this utility model main technical schemes,
All should contain within protection domain of the present utility model.
Claims (8)
1. a water proof type is pressed crosslinked cable, it is characterised in that include cable core, outside cable core, be disposed with the second waterstop lapping layer, water blocking layer, inner liner, armor and outer jacket；It is filled with between cable core and the second waterstop lapping layer and extrudes packed layer；Described cable core is made up of many insulated wire cores, described insulated wire cores includes water-blocking conductor, is disposed with semi-conducting water-resistant tape layer, conductor shield, insulating barrier, insulation screen, semiconductive block water expansion belt, copper strip shielding layer, the first waterstop lapping layer outside water-blocking conductor.
A kind of water proof type the most according to claim 1 presses crosslinked cable, it is characterised in that described water-blocking conductor is for using many soft copper silks and the regular lay configuration of spun yarn that blocks water, and the coefficient that presses of water-blocking conductor is more than 0.9.
A kind of water proof type the most according to claim 1 presses crosslinked cable, it is characterised in that described conductor shield, insulating barrier and insulating barrier are shielding for cross-linked three-layer co-extrusion and go out structure.
A kind of water proof type the most according to claim 1 presses crosslinked cable, it is characterised in that described insulating barrier uses water resistant tree crosslinked polyethylene insulation material.
A kind of water proof type the most according to claim 1 presses crosslinked cable, it is characterised in that described in extrude packed layer and use and block water rubber as packing material.
A kind of water proof type the most according to claim 1 presses crosslinked cable, it is characterised in that described outer jacket uses high-density polyethylene material.
A kind of water proof type the most according to claim 1 presses crosslinked cable, it is characterised in that described inner liner uses low-density polyethylene material.
A kind of water proof type the most according to claim 1 presses crosslinked cable, it is characterised in that described water blocking layer uses aluminium-plastic tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620320559.7U CN205582610U (en) | 2016-04-15 | 2016-04-15 | Waterproof type middling pressure crosslinked cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620320559.7U CN205582610U (en) | 2016-04-15 | 2016-04-15 | Waterproof type middling pressure crosslinked cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205582610U true CN205582610U (en) | 2016-09-14 |
Family
ID=56862986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620320559.7U Active CN205582610U (en) | 2016-04-15 | 2016-04-15 | Waterproof type middling pressure crosslinked cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN205582610U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683756A (en) * | 2016-11-11 | 2017-05-17 | 湖北龙腾红旗电缆(集团)有限公司 | Comprehensive protection-type medium-voltage subway cable |
| CN107068257A (en) * | 2017-05-27 | 2017-08-18 | 江苏双登电力科技有限公司 | Photoelectricity composite water-proof and water repellent electric cable |
| CN109585064A (en) * | 2018-11-22 | 2019-04-05 | 江苏上上电缆集团有限公司 | A kind of manufacturing method and cable of longitudinal direction radial water-resisting medium-pressure power cable |
-
2016
- 2016-04-15 CN CN201620320559.7U patent/CN205582610U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683756A (en) * | 2016-11-11 | 2017-05-17 | 湖北龙腾红旗电缆(集团)有限公司 | Comprehensive protection-type medium-voltage subway cable |
| CN107068257A (en) * | 2017-05-27 | 2017-08-18 | 江苏双登电力科技有限公司 | Photoelectricity composite water-proof and water repellent electric cable |
| CN109585064A (en) * | 2018-11-22 | 2019-04-05 | 江苏上上电缆集团有限公司 | A kind of manufacturing method and cable of longitudinal direction radial water-resisting medium-pressure power cable |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |