CN202189593U - Water-blocking anticorrosion comprehensive sheath middling pressure cable - Google Patents
Water-blocking anticorrosion comprehensive sheath middling pressure cable Download PDFInfo
- Publication number
- CN202189593U CN202189593U CN2011202278102U CN201120227810U CN202189593U CN 202189593 U CN202189593 U CN 202189593U CN 2011202278102 U CN2011202278102 U CN 2011202278102U CN 201120227810 U CN201120227810 U CN 201120227810U CN 202189593 U CN202189593 U CN 202189593U
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- Prior art keywords
- water
- cable
- sheath
- oversheath
- blocks water
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Abstract
Provided is a water-blocking anticorrosion comprehensive sheath middling pressure cable, belonging to an wire cable technical field and comprising conductor wire cores, filling layers, water-blocking claddings, an inner sheath and an oversheath; the filling layers are expansion type water-blocking filling layers; the inner sheath is a double layer structure which is formed by extruding a layer of macromolecular polyethylene sheath when a plastic-aluminum composite tape is longitudinally wrapped to form a metal enclosing sleeve; the oversheath is a composite modification plastic oversheath which is formed by adding rubber and corrosion resisting plasticizers based on pvc resins to prevent water or steam from radially penetrating into the cable, and even the water penetrates into the cable from the terminal of the cable, the water can not flow in the cable, which avoids the influence caused when the water or steam penetrates into the cable; the composite modification plastic oversheath is employed, which can obviously improve an acid alkali resistance and anticorrosion performance in the situation of immersing water and at a low temperature.
Description
Technical field
The utility model belongs to technical field of electric wires and cables, refers in particular to a kind of anticorrosion composite sheath midium voltage cable that blocks water, and is applicable to coastal waters, lake, chemical industry or lays the midium voltage cable field of circumstance complication.
Background technology
Chinese patent ZL200620040562.X discloses a kind of " the high voltage substation pilot protection is with anticorrosion waterproof guide cable "; Have conductor group and water-blocking material in the cable core; Between the belting layer of cable core and oversheath, inner covering, screen, aluminium alloy covering, inner sheath and armour are set; This cable has good vertical block-water effect, but it is not high with corrosion resistance radially to block water.
Chinese patent ZL200820200194.X discloses a kind of " anticorrosion power cable ", includes sheath, the twining package tape that blocks water, the filler that blocks water, insulation and conductor; The importance that this cable has been stressed to block water and filled also have good vertical block-water effect, but radially block-water performance is poor.
Chinese patent ZL03233672.1 discloses a kind of " power cable of the moisture-proof anticorrosive that blocks water erosion "; Include and adopted filling water blocking yarn, the vertical two-sided plastic-aluminum band of bag of embossing and polyethylene adhesion coating; Possesses good vertical and radially moistureproof block-water effect; But put forth effort on the adjustment of structure and packing material, improvement is not made in the moisture content immersion of electric power outermost layer-oversheath and the Corrosion Protection of acid-fast alkali-proof.
Summary of the invention
The utility model is just in order to overcome above-mentioned deficiency; A kind of anticorrosion composite sheath midium voltage cable that blocks water is provided; Main two-layer composite sheath and the corrosion-resistant oversheath of being set to of outermost that is cable that improve; Composite sheath is the double-decker of aluminum plastic composite belt longitudinal bag (PUR bonding) and the combination of high-molecular polythene sheath, and corrosion-resistant oversheath is to be the modified plastics oversheath that base adds rubber and corrosion-resistant plasticizer with the Corvic.Specifically be to implement like this: anticorrosion composite sheath midium voltage cable blocks water; Comprise conductor wire core, packed layer, the covering that blocks water, inner sheath, oversheath; It is characterized in that packed layer is the intumescent packed layer that blocks water; Inner sheath is a double-decker; Be to extrude one deck high-molecular polythene sheath again after the aluminum plastic composite belt longitudinal bag forms metal enclosed cover, oversheath is composite type modified plastics oversheath, and described composite type modified plastics oversheath is to be the corrosion-resistant oversheath that base adds has rubber and corrosion-resistant plasticizer with the Corvic.
Closely fill with the dilatancy waterproofing rope during the utility model conductor wire core stranding,, prevent that effectively cable socket from having the endosmosis after water immerses with double-deck wrapped the tightening of waterstop.
Conductor wire core is outside conductor, to set gradually water blocking layer, internal shield, insulating barrier, outer shielding layer and metal screen layer.
The utility model coats and the material water-proof material filling through outside the cable core of cable, adopting comprehensive inner sheath; Make water or the aqueous vapor can't be from radially getting into cable; Even water gets into from cable socket, can not in cable, flow, thereby solve the influence that produces behind water or the aqueous vapor entering cable; Through adopting composite type modified plastics oversheath; Made tangible improvement at the immersion of cryogenic conditions, water, the aspects such as Corrosion Protection of acid-fast alkali-proof, resistance to low temperature-40 ℃ or lower high temperature resistantly is used for 120 ℃ for a long time; Short-term is used 220～250 ℃, has suitable decay resistance.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
The anticorrosion composite sheath midium voltage cable that blocks water comprises conductor wire core 1, packed layer 2, the covering 3 that blocks water, inner sheath 4, oversheath 5; Conductor wire core 1 is outside conductor, to set gradually water blocking layer, internal shield, insulating barrier, outer shielding layer and metal screen layer; Closely fill the double-deck wrapped formation of the packed layer 2 external application waterstops covering 3 that blocks water during conductor wire core 1 stranding with the dilatancy waterproofing rope; Inner sheath 4 is a double-decker, is to extrude one deck high-molecular polythene sheath again after the aluminum plastic composite belt longitudinal bag forms metal enclosed cover; Oversheath 5 is composite type modified plastics oversheaths, is to be the corrosion-resistant oversheath that base adds has rubber and corrosion-resistant plasticizer with the Corvic.
Claims (3)
1. anticorrosion composite sheath midium voltage cable blocks water; Comprise conductor wire core, packed layer, the covering that blocks water, inner sheath, oversheath; It is characterized in that packed layer is the intumescent packed layer that blocks water; Inner sheath is a double-decker, is to extrude one deck high-molecular polythene sheath again after the aluminum plastic composite belt longitudinal bag forms metal enclosed cover, and oversheath is composite type modified plastics oversheath.
2. the anticorrosion composite sheath midium voltage cable that blocks water according to claim 1 is closely filled the formation packed layer with the dilatancy waterproofing rope when it is characterized in that the conductor wire core stranding, the double-deck wrapped formation of the packed layer external application waterstop covering that blocks water.
3. the anticorrosion composite sheath midium voltage cable that blocks water according to claim 1 and 2 is characterized in that conductor wire core is outside conductor, to set gradually water blocking layer, internal shield, insulating barrier, outer shielding layer and metal screen layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202278102U CN202189593U (en) | 2011-06-30 | 2011-06-30 | Water-blocking anticorrosion comprehensive sheath middling pressure cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202278102U CN202189593U (en) | 2011-06-30 | 2011-06-30 | Water-blocking anticorrosion comprehensive sheath middling pressure cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202189593U true CN202189593U (en) | 2012-04-11 |
Family
ID=45921029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202278102U Expired - Lifetime CN202189593U (en) | 2011-06-30 | 2011-06-30 | Water-blocking anticorrosion comprehensive sheath middling pressure cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202189593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306520A (en) * | 2011-06-30 | 2012-01-04 | 江苏新远程电缆股份有限公司 | Water-resistant anticorrosive comprehensive sheath medium-voltage cable |
-
2011
- 2011-06-30 CN CN2011202278102U patent/CN202189593U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306520A (en) * | 2011-06-30 | 2012-01-04 | 江苏新远程电缆股份有限公司 | Water-resistant anticorrosive comprehensive sheath medium-voltage cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 214251 Yixing City, Wuxi Province, Lin Guan Road, No. 8, No. Patentee after: YuanCheng Cable Co., Ltd. Address before: 214251, No. 5, long road, Guan Lin Town, Yixing City, Jiangsu, Wuxi Patentee before: Jiangsu New Remote Cable Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |
|
| CX01 | Expiry of patent term |