CN201584213U - Water-resisting steel wire cross-linking power cable - Google Patents
Water-resisting steel wire cross-linking power cable Download PDFInfo
- Publication number
- CN201584213U CN201584213U CN2010201240847U CN201020124084U CN201584213U CN 201584213 U CN201584213 U CN 201584213U CN 2010201240847 U CN2010201240847 U CN 2010201240847U CN 201020124084 U CN201020124084 U CN 201020124084U CN 201584213 U CN201584213 U CN 201584213U
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- water
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- blocks water
- resisting
- steel wire
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model relates to the field of cables, in particular to a water-resisting steel wire cross-linking power cable, which comprises a water-resisting insulating core, a filling and binding belt, a water-resisting winding layer, a polyethylene isolation layer and a polyethylene outer protective layer, wherein the water-resisting insulating core and the filling and binding belt are stranded to be a cable, and the water-resisting winding layer, the polyethylene isolation layer, a steel wire armoring layer and the polyethylene outer protective layer are coated on the outer layer of the water-resisting insulating core and the filling and binding belt in turn. The water-resisting winding layer, the polyethylene isolation layer and the polyethylene outer protective layer all adopt water-resisting structures, the water-resisting layer is made of semi-conducting materials, not only realizes water resisting, but also keeps excellent electric performance, thereby guaranteeing the safe and reliable running of cables. The water-resisting steel wire cross-linking power cable can solve the problem of poor water resisting of a cable in the prior art, can prevent water from permeating, improves the operation reliability of cables, guarantees the service life of cables, and has the water-resisting performance.
Description
Technical field:
The utility model relates to field of cables, particularly a kind of steel wire cross-linked power cable that blocks water.
Background technology:
The crosslinked cable majority that China uses be laid in humidity and the higher area of level of ground water, cable cover(ing) in the mill defective and lay in external force damage, joint the time adverse circumstances all can cause water or moisture to infiltrate to form water tree in the insulation, finally cause cable breakdown, reduce cable useful life.Cause electric power accident to be on the increase because infiltration takes place cable, cause serious harm for the country and people's lives and properties, increasing user has proposed the requirement that blocks water for the cable in be laid in humidity and the higher area of level of ground water.
The utility model content:
The purpose of this utility model just provides a kind of steel wire cross-linked power cable that blocks water, and solves the cable that exists in the prior art problem such as relatively poor that blocks water, can prevent moisture infiltrate, improve the cable operational reliability, guarantee cable useful life, have a block-water performance.
The technical solution of the utility model is:
A kind of steel wire cross-linked power cable that blocks water, this cable comprises the insulated wire cores that blocks water, filling and binding tape, the lapping layer that blocks water, polyethylene isolation layer, wire armoring layer and polyvinyl chloride external sheath layer, the stranded stranding of the insulated wire cores that blocks water and filling and binding tape, the skin of the insulated wire cores that blocks water and filling and binding tape coat successively and are provided with the lapping layer that blocks water, polyethylene isolation layer, wire armoring layer and polyvinyl chloride external sheath layer.
The described steel wire cross-linked power cable that blocks water, the outer coiling twining package tape of the insulated wire cores that blocks water and filling and binding tape forms the lapping layer that blocks water; Wrapped polyethylene isolation layer outside the lapping layer that blocks water.
The described steel wire cross-linked power cable that blocks water at the armoured steel wire of polyethylene isolation layer, forms the wire armoring layer; Outside the wire armoring layer, extrude pvc sheath, form the polyvinyl chloride external sheath layer.
The described steel wire cross-linked power cable that blocks water, the insulated wire cores that blocks water comprises water-blocking conductor, semiconductive internal shield, insulating barrier, semiconductive outer shielding layer, copper strips screen, semiconductive water blocking layer, restrictive coating, and the skin of water-blocking conductor coats successively semiconductive internal shield, insulating barrier, semiconductive outer shielding layer, copper strips screen, semiconductive water blocking layer and restrictive coating are set.
The described steel wire cross-linked power cable that blocks water, water-blocking conductor are many copper conductors or aluminum conductor and are filled in water-proofing powder in the gap or the lay configuration of waterproofing rope.
The described steel wire cross-linked power cable that blocks water, the lapping layer that blocks water, polyethylene isolation layer and polyvinyl chloride external sheath layer adopt stop water.
The described steel wire cross-linked power cable that blocks water, the insulated wire cores that blocks water is single or many conductors.
The beneficial effects of the utility model are:
The utility model mainly is made up of the insulated wire cores that blocks water, filling and binding tape, the lapping layer that blocks water, polyethylene isolation layer, wire armoring layer and polyvinyl chloride external sheath layer, the stranded stranding of the insulated wire cores that blocks water and filling and binding tape, skin are followed successively by the lapping layer that blocks water, polyethylene isolation layer, wire armoring layer and polyvinyl chloride external sheath layer; Wherein, the insulated wire cores that blocks water is made up of water-blocking conductor, semiconductive internal shield, insulating barrier, semiconductive outer shielding layer, copper strips screen, semiconductive water blocking layer, restrictive coating.Wherein, the lapping layer that blocks water, polyethylene isolation layer and polyvinyl chloride external sheath layer all adopt stop water, and the material that water blocking layer uses all is a semiconductive section bar material, has promptly realized blocking water, and has kept good electrical properties again, guarantee that cable is safe and reliable to operation.Thereby, reach the purpose that blocks water by semiconductive water blocking layer, the lapping layer that blocks water, polyethylene isolation layer and polyvinyl chloride external sheath layer.
Description of drawings:
Fig. 1 is the block water cross section structure schematic diagram of steel wire cross-linked power cable of the utility model.
Fig. 2 is the cross section structure schematic diagram of the insulated wire cores that blocks water among Fig. 1.
Among the figure: the 1-insulated wire cores that blocks water; 2-fills and binding tape; The 3-lapping layer that blocks water; The 4-polyethylene isolation layer; 5-wire armoring layer; 6-polyvinyl chloride external sheath layer; The 7-water-blocking conductor; 8-semiconductive internal shield; The 9-insulating barrier; 10-semiconductive outer shielding layer; 11-copper strips screen; 12-semiconductive water blocking layer; The 13-restrictive coating.
Embodiment:
As shown in Figure 1, in the present embodiment, the steel wire cross-linked power cable that blocks water is three insulated wire cores 1 that block water, fill and binding tape 2, lapping layer 3 blocks water, polyethylene isolation layer 4, formations such as wire armoring layer 5 and polyvinyl chloride external sheath layer 6, three block water insulated wire cores 1 and filling and binding tape 2 stranded strandings, outer coiling twining package tape, the formation lapping layer 3 that blocks water, wrapped polyethylene isolation layer 4 outside the lapping layer 3 that blocks water, at polyethylene isolation layer 4 armoured steel wires, form wire armoring layer 5, outside wire armoring layer 5, extrude pvc sheath, form polyvinyl chloride external sheath layer 6.
As shown in Figure 2, in the present embodiment, the insulated wire cores that blocks water 1 is formations such as water-blocking conductor 7, semiconductive internal shield 8, insulating barrier 9, semiconductive outer shielding layer 10, copper strips screen 11, semiconductive water blocking layer 12, restrictive coating 13, and water-blocking conductor 7 skins are followed successively by semiconductive internal shield 8, insulating barrier 9, semiconductive outer shielding layer 10, copper strips screen 11, semiconductive water blocking layer 12 and restrictive coating 13.Wherein, water-blocking conductor 7 can and be filled in the water-proofing powder in the gap or waterproofing rope is stranded forms by many copper conductors or aluminum conductor.
The utility model is mainly realized block-water performance respectively by three insulated wire cores 1 that block water, the material water-proof material that the water blocking layer of the insulated wire cores that blocks water 1 uses all is a semiconductive section bar material, promptly realized blocking water, kept electrical property well to contact again, guaranteed that cable is safe and reliable to operation.Water-blocking conductor 7 is to add water-proofing powder or stranded by many copper conductors or aluminum conductor and waterproofing rope in the gap of many copper conductors or aluminum conductor equably, can reach the good purpose that blocks water.By the lapping layer 3 that blocks water, polyethylene isolation layer 4 and polyvinyl chloride external sheath layer 6, reach the purpose that blocks water again.In addition, in the utility model, increase wire armoring layer 5 and can improve cable intensity.
Claims (7)
1. steel wire cross-linked power cable that blocks water, it is characterized in that: this cable comprises the insulated wire cores that blocks water (1), filling and binding tape (2), the lapping layer that blocks water (3), polyethylene isolation layer (4), wire armoring layer (5) and polyvinyl chloride external sheath layer (6), the insulated wire cores that blocks water (1) and filling and the stranded stranding of binding tape (2), the skin of insulated wire cores that blocks water (1) and filling and binding tape (2) coats successively and is provided with the lapping layer that blocks water (3), polyethylene isolation layer (4), wire armoring layer (5) and polyvinyl chloride external sheath layer (6).
2. according to the described steel wire cross-linked power cable that blocks water of claim 1, it is characterized in that: the outer coiling twining package tape of insulated wire cores that blocks water (1) and filling and binding tape (2) forms the lapping layer (3) that blocks water; Wrapped polyethylene isolation layer (4) outside the lapping layer that blocks water (3).
3. according to the described steel wire cross-linked power cable that blocks water of claim 1, it is characterized in that:, form wire armoring layer (5) at the armoured steel wire of polyethylene isolation layer (4); Outside wire armoring layer (5), extrude pvc sheath, form polyvinyl chloride external sheath layer (6).
4. according to the described steel wire cross-linked power cable that blocks water of claim 1, it is characterized in that: the insulated wire cores that blocks water (1) comprises water-blocking conductor (7), semiconductive internal shield (8), insulating barrier (9), semiconductive outer shielding layer (10), copper strips screen (11), semiconductive water blocking layer (12), restrictive coating (13), and the skin of water-blocking conductor (7) coats successively semiconductive internal shield (8), insulating barrier (9), semiconductive outer shielding layer (10), copper strips screen (11), semiconductive water blocking layer (12) and restrictive coating (13) are set.
5. according to the described steel wire cross-linked power cable that blocks water of claim 4, it is characterized in that: water-blocking conductor (7) is for many copper conductors or aluminum conductors and be filled in water-proofing powder in the gap or the lay configuration of waterproofing rope.
6. according to the described steel wire cross-linked power cable that blocks water of claim 1, it is characterized in that: the lapping layer that blocks water (3), polyethylene isolation layer (4) and polyvinyl chloride external sheath layer (6) adopt stop water.
7. according to the described steel wire cross-linked power cable that blocks water of claim 1, it is characterized in that: the insulated wire cores that blocks water (1) is single or many conductors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201240847U CN201584213U (en) | 2010-03-05 | 2010-03-05 | Water-resisting steel wire cross-linking power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201240847U CN201584213U (en) | 2010-03-05 | 2010-03-05 | Water-resisting steel wire cross-linking power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201584213U true CN201584213U (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201240847U Expired - Fee Related CN201584213U (en) | 2010-03-05 | 2010-03-05 | Water-resisting steel wire cross-linking power cable |
Country Status (1)
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| CN (1) | CN201584213U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074298A (en) * | 2010-12-29 | 2011-05-25 | 金坛市金鹿电缆材料有限公司 | Triple shielding flame-retardant type power cable special for nuclear power |
| CN102831967A (en) * | 2012-08-30 | 2012-12-19 | 江苏永鼎电气有限公司 | High-temperature-resistant low-noise cable |
| CN102930925A (en) * | 2012-10-31 | 2013-02-13 | 江苏永鼎电气有限公司 | Low-cost intense radiation resistant low-noise cable |
| CN103489528A (en) * | 2013-09-16 | 2014-01-01 | 无锡市长城电线电缆有限公司 | Crosslinked polyethylene insulating and water-blocking power cable |
| CN103854788A (en) * | 2012-11-30 | 2014-06-11 | 林凤俊 | Power cable buried underground |
| CN108550434A (en) * | 2018-01-23 | 2018-09-18 | 安徽国通电力建设有限公司 | A kind of more cable insulated power cables |
| WO2022099629A1 (en) * | 2020-11-13 | 2022-05-19 | 盐城市瑞通塑胶有限公司 | High-strength cpvc cable protection pipe |
-
2010
- 2010-03-05 CN CN2010201240847U patent/CN201584213U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074298A (en) * | 2010-12-29 | 2011-05-25 | 金坛市金鹿电缆材料有限公司 | Triple shielding flame-retardant type power cable special for nuclear power |
| CN102074298B (en) * | 2010-12-29 | 2013-02-13 | 金坛市金鹿电缆材料有限公司 | Triple shielding flame-retardant type power cable special for nuclear power |
| CN102831967A (en) * | 2012-08-30 | 2012-12-19 | 江苏永鼎电气有限公司 | High-temperature-resistant low-noise cable |
| CN102930925A (en) * | 2012-10-31 | 2013-02-13 | 江苏永鼎电气有限公司 | Low-cost intense radiation resistant low-noise cable |
| CN103854788A (en) * | 2012-11-30 | 2014-06-11 | 林凤俊 | Power cable buried underground |
| CN103489528A (en) * | 2013-09-16 | 2014-01-01 | 无锡市长城电线电缆有限公司 | Crosslinked polyethylene insulating and water-blocking power cable |
| CN108550434A (en) * | 2018-01-23 | 2018-09-18 | 安徽国通电力建设有限公司 | A kind of more cable insulated power cables |
| WO2022099629A1 (en) * | 2020-11-13 | 2022-05-19 | 盐城市瑞通塑胶有限公司 | High-strength cpvc cable protection pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20150305 |
|
| EXPY | Termination of patent right or utility model |