CN204117659U - A kind of environment-friendly type water resistant sets the medium-pressure power cable that blocks water - Google Patents
A kind of environment-friendly type water resistant sets the medium-pressure power cable that blocks water Download PDFInfo
- Publication number
- CN204117659U CN204117659U CN201420517091.1U CN201420517091U CN204117659U CN 204117659 U CN204117659 U CN 204117659U CN 201420517091 U CN201420517091 U CN 201420517091U CN 204117659 U CN204117659 U CN 204117659U
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- Prior art keywords
- water
- resistant
- environment
- power cable
- medium
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 239000004020 conductor Substances 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 25
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 25
- 238000009413 insulation Methods 0.000 claims abstract description 23
- 230000004888 barrier function Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 240000005572 Syzygium cordatum Species 0.000 abstract description 4
- 235000006650 Syzygium cordatum Nutrition 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a kind of environment-friendly type water resistant and set the medium-pressure power cable that blocks water, it is characterized in that: described environment-friendly type water resistant is set the medium-pressure power cable that blocks water and is followed successively by water-blocking conductor from inside to outside, conductor shield, water resistant sets crosslinked polyetylene insulated layer, insulation screen, first semi-conducting water-resistant tape layer, metal screen layer, first semi-conducting water-resistant tape layer, phase-splitting sheath, packed layer, insulate belting layer and the external protection of blocking water, environment-friendly type water resistant is set the medium-pressure power cable conductor that blocks water and is adopted water-blocking conductor, insulating barrier adopts water resistant tree crosslinked polyetylene insulated, moisture is prevented to enter the generation of rear water tree.Environment-friendly type water resistant is set the medium-pressure power cable that blocks water and is had excellent radial direction and longitudinal water-blocking performance, set crosslinked polyetylene insulated in water-blocking conductor, water resistant, block water band, high density polyethylene (HDPE) sheath, overcome conventional power cable be difficult to adapt to moist, moisture more lay environment, solve the impact and harm that produce after water or aqueous vapor enter cable.
Description
Technical field
The utility model relates to a kind of environment-friendly type water resistant and sets the medium-pressure power cable that blocks water, and particularly relates to the strong environment-friendly type water resistant of a kind of performance that prevents water penetration and sets the medium-pressure power cable that blocks water.
Background technology
At present, the many employings of medium-pressure power cable are crosslinked polyetylene insulated, common cross-linked polyethylene insulated cable damages by mechanical stress or external force with run duration laying, or cable long-time running under moist, to have water environment, capital causes outside moisture to cable internal penetration, the chance forming water tree under electric field action increases greatly, and water tree transforms into permanent electric branch under electric field action, causes insulation breakdown in the short period of time.Once outer jacket cable is destroyed, after cable water inlet, steel band, copper strip corrosion can be caused, decreasing insulating, greatly shorten cable useful life.In addition, current domestic water-resistant power cable mostly is plumbous cover power cable, although plumbous cover power cable sealing is better, plumbous cover density is large, and cause cable body quality to increase, bending property is bad, and electric cable transporting is inconvenient, and lead is heavy metal, has harm to environment.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of environment-friendly type water resistant and sets the medium-pressure power cable that blocks water, and has the advantages that the performance that prevents water penetration is strong.
For solving the problems of the technologies described above; the technical solution of the utility model is: a kind of environment-friendly type water resistant tree blocks water medium-pressure power cable, and its innovative point is: described environment-friendly type water resistant tree blocks water, and medium-pressure power cable is followed successively by water-blocking conductor from inside to outside, conductor shield, insulating barrier, insulation screen, the first semi-conducting water-resistant tape layer, metal screen layer, the second semi-conducting water-resistant tape layer, phase-splitting sheath, packed layer, insulation block water belting layer and external protection.
Preferably, described first semi-conducting water-resistant tape layer and the second semi-conducting water-resistant tape layer are the semiconductor waterstop be directly coated on described insulation shielding or in described metallic shield, and the thickness of described first semi-conducting water-resistant tape layer and the second semi-conducting water-resistant tape layer is 0.3mm.
Preferably, described metal screen layer is the one in the combination of metal tape, metal knitted, wire and metal tape, and the metal tape in described metal screen layer forms by least one described metal tape is wrapped.
Preferably, the described insulation belting layer that blocks water is that insulation that individual layer puts up wrapped composition blocks water band, and described insulation blocks water, the thickness of belting layer is 0.3mm.
Preferably; described external protection is the outer jacket of the high density polyethylene (HDPE) body protective cover material extruding composition; described external protection comprises inner covering, armour and outer jacket from inside to outside; described inner covering is the high density polyethylene (HDPE) protective cover material extruding composition; described armour is the one in circle wire, metal tape, and described outer jacket is the high density polyethylene (HDPE) protective cover material extruding composition.
Preferably, described water-blocking conductor is the one in annealed copper conductor, aluminum or aluminum alloy conductor.
Preferably, described conductor shield is extrude semiconductive material or bag semiconductive nylon tape to extrude one in semiconductive material again.
Preferably, described insulating barrier is the water resistant tree cross-linking polyethylene materials be evenly extruded on described conductor screen.
Preferably, described phase-splitting sheath is directly be extruded in the high-density polyethylene material that described semiconductive blocks water on band.
Preferably, described packed layer be compatible mutually with cable insulation material and the polypropylene mesh being applicable to cable operating temperature tear restrict, one in the fan-shaped packing of PVC.
The utility model has the advantage of: environment-friendly type water resistant is set the medium-pressure power cable conductor that blocks water and adopted water-blocking conductor, insulating barrier adopts water resistant tree crosslinked polyetylene insulated, prevents moisture to enter the generation of rear water tree, considerably increases the useful life of cable.Environment-friendly type water resistant is set the medium-pressure power cable that blocks water and is had excellent radial direction and longitudinal water-blocking performance, structure is mainly manifested in water-blocking conductor, water resistant tree is crosslinked polyetylene insulated, block water band, high density polyethylene (HDPE) sheath, overcome conventional power cable be difficult to adapt to moist, moisture more lay environment, solve the impact and harm that produce after water or aqueous vapor enter cable.It is lightweight that environment-friendly type water resistant sets the medium-pressure power cable that blocks water, good bending property, is convenient to transport and lays, and environmental sound.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, further detailed description is done to the present invention.
Fig. 1 is the structural representation that a kind of environment-friendly type water resistant of the utility model sets the medium-pressure power cable that blocks water.
In figure: 1-water-blocking conductor, 2-conductor shield, 3-insulating barrier, 4-insulation screen, 5-first semi-conducting water-resistant tape layer, 6-metal screen layer, 7-second semi-conducting water-resistant tape layer, 8-phase-splitting sheath, 9-packed layer, 10-insulation blocks water belting layer, 11-inner covering, 12-armour, 13-outer jacket.
Embodiment
Environment-friendly type water resistant tree of the present utility model blocks water, and medium-pressure power cable is followed successively by water-blocking conductor 1, conductor shield 2, insulating barrier 3, insulation screen 4, first semi-conducting water-resistant tape layer 5, metal screen layer 6, second semi-conducting water-resistant tape layer 7, phase-splitting sheath 8, packed layer 9 from inside to outside, insulate belting layer 10 and the external protection of blocking water.
Wherein, water-blocking conductor 1 is the one in annealed copper conductor, aluminum or aluminum alloy conductor; Conductor shield 2 extrudes one in semiconductive material again for extruding semiconductive material or bag semiconductive nylon tape; Insulating barrier 3 is the water resistant tree cross-linking polyethylene materials be evenly extruded on conductor screen; Insulation screen 4 is not peelable on direct extruded insulation layer 3 or one in strippable semi-conductive material; First semi-conducting water-resistant tape layer 5 and the second semi-conducting water-resistant tape layer 7 are the semiconductor waterstop be directly coated on insulation shielding or in metallic shield; Metal screen layer 6 is the one in the combination of metal tape, metal knitted, wire and metal tape; Phase-splitting sheath 8 is directly be extruded in the high-density polyethylene material that semiconductive blocks water on band; Packed layer 9 be compatible mutually with cable insulation material and the polypropylene mesh being applicable to cable operating temperature tear restrict, one in the fan-shaped packing of PVC; The insulation belting layer 10 that blocks water to block water band for insulation that individual layer puts up wrapped composition.
The thickness of above-mentioned first semi-conducting water-resistant tape layer 5 and the second semi-conducting water-resistant tape layer 7 is 0.3mm; Metal tape in metal screen layer 6 forms by least one metal tape is wrapped; The block water thickness of belting layer 10 of insulation is 0.3mm.
In addition; external protection can for extruding the high density polyethylene (HDPE) outer jacket 13 of composition; also can for comprise inner covering 11, armour 12 and outer jacket 13 from inside to outside; wherein; inner covering 11 is for extruding the high density polyethylene (HDPE) protective cover material of composition; armour 12 is the one in circle wire, metal tape, and outer jacket 13 is for extruding the high density polyethylene (HDPE) protective cover material of composition.
Above an embodiment of the invention has been described in detail, but content being only the preferred embodiment of the invention, the practical range for limiting the invention can not being considered to.All equalization changes done according to the invention application range with improve, within the patent covering scope all belonging to the invention.
Claims (10)
1. environment-friendly type water resistant tree blocks water a medium-pressure power cable, it is characterized in that: described environment-friendly type water resistant tree blocks water, and medium-pressure power cable is followed successively by water-blocking conductor from inside to outside, conductor shield, insulating barrier, insulation screen, the first semi-conducting water-resistant tape layer, metal screen layer, the second semi-conducting water-resistant tape layer, phase-splitting sheath, packed layer, insulation block water belting layer and external protection.
2. a kind of environment-friendly type water resistant as claimed in claim 1 sets the medium-pressure power cable that blocks water, it is characterized in that: described first semi-conducting water-resistant tape layer and the second semi-conducting water-resistant tape layer are the semiconductor waterstop be directly coated on described insulation shielding or in described metallic shield, and the thickness of described first semi-conducting water-resistant tape layer and the second semi-conducting water-resistant tape layer is 0.3mm.
3. a kind of environment-friendly type water resistant as claimed in claim 1 sets the medium-pressure power cable that blocks water, it is characterized in that: described metal screen layer is the one in the combination of metal tape, metal knitted, wire and metal tape, the metal tape in described metal screen layer forms by least one described metal tape is wrapped.
4. a kind of environment-friendly type water resistant tree as claimed in claim 1 blocks water medium-pressure power cable, it is characterized in that: the described insulation belting layer that blocks water is that insulation that individual layer puts up wrapped composition blocks water band, and described insulation blocks water, the thickness of belting layer is 0.3mm.
5. a kind of environment-friendly type water resistant as claimed in claim 1 sets the medium-pressure power cable that blocks water; it is characterized in that: described external protection is the outer jacket of the high density polyethylene (HDPE) body protective cover material extruding composition; described external protection comprises inner covering, armour and outer jacket from inside to outside; described inner covering is the high density polyethylene (HDPE) protective cover material extruding composition; described armour is the one in circle wire, metal tape, and described outer jacket is the high density polyethylene (HDPE) protective cover material extruding composition.
6. a kind of environment-friendly type water resistant as claimed in claim 1 sets the medium-pressure power cable that blocks water, and it is characterized in that: described water-blocking conductor is the one in annealed copper conductor, aluminum or aluminum alloy conductor.
7. a kind of environment-friendly type water resistant tree as claimed in claim 1 blocks water medium-pressure power cable, it is characterized in that: described conductor shield is extrude semiconductive material or bag semiconductive nylon tape to extrude one in semiconductive material again.
8. a kind of environment-friendly type water resistant as claimed in claim 1 sets the medium-pressure power cable that blocks water, and it is characterized in that: described insulating barrier is the water resistant tree cross-linking polyethylene materials be evenly extruded on described conductor screen.
9. a kind of environment-friendly type water resistant tree as claimed in claim 1 blocks water medium-pressure power cable, it is characterized in that: described phase-splitting sheath is directly be extruded in the high-density polyethylene material that described semiconductive blocks water on band.
10. a kind of environment-friendly type water resistant tree as claimed in claim 1 blocks water medium-pressure power cable, it is characterized in that: described packed layer be compatible mutually with cable insulation material and the polypropylene mesh being applicable to cable operating temperature tear restrict, one in the fan-shaped packing of PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420517091.1U CN204117659U (en) | 2014-09-10 | 2014-09-10 | A kind of environment-friendly type water resistant sets the medium-pressure power cable that blocks water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420517091.1U CN204117659U (en) | 2014-09-10 | 2014-09-10 | A kind of environment-friendly type water resistant sets the medium-pressure power cable that blocks water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204117659U true CN204117659U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420517091.1U Expired - Lifetime CN204117659U (en) | 2014-09-10 | 2014-09-10 | A kind of environment-friendly type water resistant sets the medium-pressure power cable that blocks water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204117659U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609177A (en) * | 2016-03-03 | 2016-05-25 | 无锡市光环电缆有限公司 | Improved underwater power cable |
| CN106297995A (en) * | 2015-05-20 | 2017-01-04 | 铄程智能科技（上海）有限公司 | A kind of high flexibility motion construction of cable |
-
2014
- 2014-09-10 CN CN201420517091.1U patent/CN204117659U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106297995A (en) * | 2015-05-20 | 2017-01-04 | 铄程智能科技（上海）有限公司 | A kind of high flexibility motion construction of cable |
| CN105609177A (en) * | 2016-03-03 | 2016-05-25 | 无锡市光环电缆有限公司 | Improved underwater power 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" | ||
| 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. |