CN202307294U - 110kV crosslinked polyethylene insulated high-voltage power cable - Google Patents
110kV crosslinked polyethylene insulated high-voltage power cable Download PDFInfo
- Publication number
- CN202307294U CN202307294U CN201120428015XU CN201120428015U CN202307294U CN 202307294 U CN202307294 U CN 202307294U CN 201120428015X U CN201120428015X U CN 201120428015XU CN 201120428015 U CN201120428015 U CN 201120428015U CN 202307294 U CN202307294 U CN 202307294U
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- power cable
- voltage power
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- insulated high
- high voltage
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Abstract
The utility model discloses a 110kV crosslinked polyethylene insulated high-voltage power cable. The power cable comprises an annular inner conductor formed by splicing a plurality of fan-shaped copper conductors, wherein a semi-conductive conductor shielding layer, an insulating layer, a semi-conductive insulating shielding layer, a water-resisting belt buffer layer, a seamless corrugated aluminium pipe, an anti-corrosion coating and an outer sheath are sequentially wrapped outside the inner conductor. The 110kV crosslinked polyethylene insulated high-voltage power cable has the advantages of environmental protection, no pollution in manufacturing process, continuous production ability, high production efficiency and easily accessible material; as the cable conductor adopts the structure that five fan-shaped copper conductors are spliced together, skin effect in the electric energy transmission process is effectively reduced, the transmission utilization ratio is improved, and meanwhile, the cable is more flexible to bend; and as the structure of the extruded seamless corrugated aluminium pipe is adopted, and aluminium is a metal material with superior performance, moisture can not permeate; and meanwhile, a plurality of water-resisting belt buffer layers are placed in the aluminium pipe, and the water-resisting belts encountering water quickly expand, moisture is effectively prevented from entering, and the service life of the cable is prolonged.
Description
Technical field
The utility model relates to a kind of electric wire, is the crosslinked polyetylene insulated high voltage power cable of a kind of 110kV specifically.
Background technology
Along with the development of society, the city is increasing, and power load is increasingly high, and the safety requirements of power supply is more and more important.The urban electricity supply circuit is more and more closeer, become increasingly complex.Simultaneously because of the city appearance of the city needs, require attractive in appearancely as far as possible, do not adopt overhead transmission line as far as possible, employing is as much as possible put cable underground.Based on above reason, present large-and-medium size cities are adopted the twisted polyethylene cable of 110kV in a large number, get off to accomplish the conveying of big capacity electric energy through ground.
The structure composition of 110kV power cable mainly contains conductor, insulation and external protection.The 110kV power cable belongs to high voltage power cable, and the electric field strength in the cable insulation of energising back is bigger, and any structure design is improper, manufacturing defect or installation and operation are incorrect, all can cause cable breakdown, can't normally use; In the cables manufacturing process, insulation will guarantee not pollute, if having impurity or bubble in the insulation, then is easy to puncture after the cable energising; If there is moisture to get into the insulation of cable, then can reduce greatly by the life-span of cable in running for cable.
The utility model content
Goal of the invention: the purpose of the utility model is in order to overcome the deficiency of prior art, provides that a kind of more reasonable structure, manufacturing process are simple, reasonable price, long service life, the crosslinked polyetylene insulated high voltage power cable of 110kV that security performance is high.
Technical scheme: in order to solve the problems of the technologies described above; The technical scheme that the utility model adopted is: the crosslinked polyetylene insulated high voltage power cable of a kind of 110kV; Comprise the circular inner wire that forms by the fan-shaped copper conductor amalgamation of polylith, be coated with semiconductive conductor screen, insulating barrier, semiconductive insulation shielding, waterstop resilient coating, seamless corrugated aluminum pipe, corrosion-inhibiting coating, oversheath successively in the outside of inner wire.
Said fan-shaped copper conductor has 5; Adopt 5 fan-shaped copper conductor amalgamations structure together, effectively reduce the kelvin effect in the electric energy transmitting process, can improve the utilance of transmission, cable also more has flexibility to be convenient to bending simultaneously.
The material of said insulating barrier is that ultra-clean is crosslinked polyetylene insulated.
Be coated with one deck semiconductive graphite in the outside of said oversheath; After being put into operation, cable effectively the surface induction electricity is bled into the earth.
The material of said oversheath is polyvinyl chloride or polyethylene.
Beneficial effect: compared with prior art, the utility model is an environment-friendly type, in manufacture process, does not pollute, and can produce continuously, and production efficiency is high, and material is easy to obtain; Cable conductor adopts 5 fan-shaped copper conductor amalgamations structure together, effectively reduces the kelvin effect in the electric energy transmitting process, can improve the utilance of transmission, and cable also more has flexibility to be convenient to bending simultaneously; Adopt the seamless corrugated aluminum pipe structure of extruding, aluminium is the metal material of function admirable, and moisture can not see through; Placed multilayer waterstop resilient coating again in the aluminum pipe the inside simultaneously; Waterstop is met water and can be expanded rapidly, and the entering of blocks moisture effectively prolongs cable useful life.The utility model especially adapts to the conveying of large-and-medium size cities, large-scale industrial enterprise electric energy.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further to specify.
As shown in Figure 1; The crosslinked polyetylene insulated high voltage power cable of a kind of 110kV; Comprise the circular inner wire 1 that forms by the fan-shaped copper conductor amalgamation of polylith, be coated with semiconductive conductor screen 2, insulating barrier 3, semiconductive insulation shielding 4, waterstop resilient coating 5, seamless corrugated aluminum pipe 6, corrosion-inhibiting coating 7, oversheath 8 successively in the outside of inner wire 1; Be coated with one deck semiconductive graphite 9 in the outside of oversheath 8; Preferred 5 of wherein fan-shaped copper conductor; The material of insulating barrier 3 is that ultra-clean is crosslinked polyetylene insulated, and the thickness of insulating barrier 3 is 16mm.
Inner wire 1 adopts 5 fan-shaped copper conductor amalgamations structure together, effectively reduces the kelvin effect in the electric energy transmitting process, improves the utilance of electric energy transmitting, and cable also more has flexibility to be convenient to bending simultaneously; Insulating barrier 3 is ultra clean crosslinked polyetylene insulated, and thickness is 16mm.Semiconductive conductor screen 2 all is that semiconductive material and insulating barrier 3 closely combine glossily with semiconductive insulation shielding 4, so just guarantees that the cable field in the insulating barrier 3 of cable energising back can be not lopsided, is evenly distributed.Waterstop resilient coating 5 is to be formed by the multilayer semi-conducting water-resistant tape, and meeting water can expand rapidly, and the entering of blocks moisture effectively prolongs cable useful life.Seamless corrugated aluminum pipe 6 is the thick extrusion pressing type aluminum pipes of 2mm, and aluminum pipe 6 is squeezed into corrugated again, improves bending property, and aluminium is the metal material of function admirable, and moisture can not see through.Corrosion-inhibiting coating 7 is meant the anti-corrosion material that is coated in aluminum pipe 6 outsides, prevents that aluminium from being corroded.Oversheath 8 is the outsides that are extruded in corrosion-inhibiting coating 7, and the material of oversheath 8 is polyvinyl chloride (PVC) or polyethylene (PE).The semiconductive graphite 9 that on the outer surface of oversheath 8, also has one deck to apply, its effect is the ground connection of cable jacket 8 withstand voltage tests, effectively the surface induction electricity is bled into the earth after cable puts into operation.
The structure that inner wire in the utility model has adopted the polylith conductor to be stitched together, doing like this is to reduce the kelvin effect of electricity, to improve the transmission capacity of cable, can improve the cable flexibility simultaneously, to be convenient to bending; And structural design also taken into full account the water proofing property of cable, guarantees the possibility that moisture does not get into cable in the cable use.
The above only is the preferred implementation of the utility model; Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model principle; Can also make some modification and improvement, these also should be regarded as belonging to the protection range of the utility model.
Claims (7)
1. crosslinked polyetylene insulated high voltage power cable of 110kV; It is characterized in that: comprise the circular inner wire (1) that forms by the fan-shaped copper conductor amalgamation of polylith, be coated with semiconductive conductor screen (2), insulating barrier (3), semiconductive insulation shielding (4), waterstop resilient coating (5), seamless corrugated aluminum pipe (6), corrosion-inhibiting coating (7), oversheath (8) in the outside of inner wire (1) successively.
2. the crosslinked polyetylene insulated high voltage power cable of 110kV according to claim 1 is characterized in that: said fan-shaped copper conductor has 5.
3. the crosslinked polyetylene insulated high voltage power cable of 110kV according to claim 1 is characterized in that: the material of said insulating barrier (3) is that ultra-clean is crosslinked polyetylene insulated.
4. the crosslinked polyetylene insulated high voltage power cable of 110kV according to claim 3 is characterized in that: the thickness of said insulating barrier (3) is 16mm.
5. the crosslinked polyetylene insulated high voltage power cable of 110kV according to claim 1 is characterized in that: be coated with one deck semiconductive graphite (9) in the outside of said oversheath (8).
6. according to claim 1 or the crosslinked polyetylene insulated high voltage power cable of 5 described 110kV, it is characterized in that: the material of said oversheath (8) is polyvinyl chloride or polyethylene.
7. the crosslinked polyetylene insulated high voltage power cable of 110kV according to claim 1 is characterized in that: the thickness of said aluminum pipe (6) is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120428015XU CN202307294U (en) | 2011-11-01 | 2011-11-01 | 110kV crosslinked polyethylene insulated high-voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120428015XU CN202307294U (en) | 2011-11-01 | 2011-11-01 | 110kV crosslinked polyethylene insulated high-voltage power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202307294U true CN202307294U (en) | 2012-07-04 |
Family
ID=46376139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120428015XU Expired - Fee Related CN202307294U (en) | 2011-11-01 | 2011-11-01 | 110kV crosslinked polyethylene insulated high-voltage power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202307294U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915803A (en) * | 2012-09-07 | 2013-02-06 | 江苏东峰电缆有限公司 | Flame-resistant extra-high voltage power cable for crosslinked polyethylene insulating double sheaths |
| CN105161195A (en) * | 2015-10-16 | 2015-12-16 | 无锡市曙光电缆有限公司 | Environment-friendly superhigh pressure crosslinking polyethylene-insulated power cable |
| CN105741959A (en) * | 2016-05-04 | 2016-07-06 | 江苏红峰电缆集团有限公司 | Single-core high-voltage power cable for 8.7/10kv and lower voltage |
-
2011
- 2011-11-01 CN CN201120428015XU patent/CN202307294U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915803A (en) * | 2012-09-07 | 2013-02-06 | 江苏东峰电缆有限公司 | Flame-resistant extra-high voltage power cable for crosslinked polyethylene insulating double sheaths |
| CN105161195A (en) * | 2015-10-16 | 2015-12-16 | 无锡市曙光电缆有限公司 | Environment-friendly superhigh pressure crosslinking polyethylene-insulated power cable |
| CN105741959A (en) * | 2016-05-04 | 2016-07-06 | 江苏红峰电缆集团有限公司 | Single-core high-voltage power cable for 8.7/10kv and lower voltage |
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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: 20120704 Termination date: 20151101 |
|
| EXPY | Termination of patent right or utility model |