CN103413612A - Cross linked polyethylene insulated power cable - Google Patents
Cross linked polyethylene insulated power cable Download PDFInfo
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- CN103413612A CN103413612A CN2013103104525A CN201310310452A CN103413612A CN 103413612 A CN103413612 A CN 103413612A CN 2013103104525 A CN2013103104525 A CN 2013103104525A CN 201310310452 A CN201310310452 A CN 201310310452A CN 103413612 A CN103413612 A CN 103413612A
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- cable
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- linked polyethylene
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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
Abstract
The invention discloses a cross linked polyethylene insulated power cable. The cross linked polyethylene insulated power cable comprises a cable core, a filling core is arranged in a gap of the cable core, a wrapping tape layer is arranged on the exterior of the cable core in an encircling mode, a shield armor layer is woven outside the wrapping tape layer, an inner protecting bush is arranged between the wrapping tape layer and the shield armor layer in an encircling mode, and the outermost layer of the cable core squeezes an outer protecting bush in an encircling mode. The cable core is formed by intertwisting two main cable cores and two auxiliary cable cores, the two main cable cores are in central symmetry, the cross section of the two main cable cores is 4 mm<2>, the two auxiliary cable cores are in central symmetry, the cross section of the two auxiliary main cable cores is 2.5mm<2>, and the structure of the main cable cores is same as the structure of the auxiliary cable cores. The ageing phenomenon of a cross linked polyethylene insulated layer is improved, the working stability and working reliability of the cross linked polyethylene insulated power cable are improved, and the service life of the cable is prolonged.
Description
Technical field
The present invention relates to the electric wire field, specifically refer to a kind of power cable with cross-linked polyethylene insulation.
Background technology
Power cable with cross-linked polyethylene insulation because its good electric property, transmission capacity are large, can high drop or the advantages such as vertical run, installation and maintenance aspect, it applies very extensive in high pressure and extra-high-tension cable field.In the practical application of power cable with cross-linked polyethylene insulation, because the reason such as aging is easy to cause the deteriorated of crosslinked polyetylene insulated layer and destroys.In prior art, by series of improving measures, still still can't eliminate the formation and development of electric branch aging phenomenon in crosslinked polyetylene insulated layer fully; In carrying out high pressure and superhigh pressure transmitting procedure, due to the decline of insulation property, exist the potential safety hazard of cable breakdown.Therefore, how the structure of power cable with cross-linked polyethylene insulation in prior art is improved, to improve the aging destruction that power cable is caused of crosslinked polyetylene insulated layer, improve job stability and the reliability of power cable with cross-linked polyethylene insulation, improving the useful life of cable, is those skilled in the art's technical issues that need to address.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of anti-aging, anti-interference, water preventing ability is good, the power cable with cross-linked polyethylene insulation of long service life.
A kind of power cable with cross-linked polyethylene insulation of the present invention, comprise cable core, is provided with and fills out core in the gap of cable core, the outer wrapped belting layer of cable core, the outer braid shielded armour of belting layer, wrapped inner sheath between belting layer and shield layer, the cable core outermost layer extrudes oversheath; Described cable core is that the structure of its master core and auxiliary core is identical, the cross-sectional sizes difference by two centrosymmetric master cores and two stranded forming of centrosymmetric auxiliary core.
Further improve, described main and auxiliary index contour core is by conductor and be extruded in conductor outer conductor shield, polyethylene layer and form.
Further improve, described shield layer is the metal armouring structure again.
Beneficial effect of the present invention is:
Compared with prior art, the structure that the present invention adopts, can improve high electric field concentration problem inner and surface, thereby suppress formation and the development of crosslinked polyetylene insulated middle electric branch, improved aging phenomenon, improved job stability and the reliability of cross-linked polyethylene insulated cable, the shield structure has also improved the shielding of cable, belting layer, inner sheath have also improved the water preventing ability of cable, thereby have improved the useful life of cable.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of power cable with cross-linked polyethylene insulation of the present invention, comprise cable core, in the gap of cable core, be provided with and fill out core 3, the outer wrapped belting layer 4 of cable core, the outer braid shielded armour 6 of belting layer 4, wrapped inner sheath 5 between belting layer 4 and shield layer 6, the cable core outermost layer extrudes oversheath 7; Described cable core is to be 4mm by two Central Symmetry cross sections
2Master core and two Central Symmetry cross sections are 2.5mm
2Auxiliary core is stranded to be formed, and the structure of its master core and auxiliary core is identical, the cross-sectional sizes difference.
Described main and auxiliary index contour core is by conductor 1 and be extruded in conductor 1 outer conductor shield 2, polyethylene layer 3 and form.
The concrete application approach of the present invention is a lot, and the above is only the preferred embodiment of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.
Claims (3)
1. power cable with cross-linked polyethylene insulation, comprise cable core, it is characterized in that, in the gap of cable core, be provided with and fill out core (4), the outer wrapped belting layer (5) of cable core, the outer braid shielded armour of belting layer (5) (7), wrapped inner sheath (6) between belting layer (5) and shield layer (7), the cable core outermost layer extrudes oversheath (8); Described cable core is that the structure of its master core and auxiliary core is identical, the cross-sectional sizes difference by two centrosymmetric master cores and two stranded forming of centrosymmetric auxiliary core.
2. power cable with cross-linked polyethylene insulation according to claim 1, is characterized in that, described main and auxiliary index contour core is by conductor (1) and be extruded in the outer conductor shield (2) of conductor (1), polyethylene layer (3) forms.
3. power cable with cross-linked polyethylene insulation according to claim 1, is characterized in that, described shield layer (6) is the metal armouring structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103104525A CN103413612A (en) | 2013-07-23 | 2013-07-23 | Cross linked polyethylene insulated power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103104525A CN103413612A (en) | 2013-07-23 | 2013-07-23 | Cross linked polyethylene insulated power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103413612A true CN103413612A (en) | 2013-11-27 |
Family
ID=49606613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103104525A Pending CN103413612A (en) | 2013-07-23 | 2013-07-23 | Cross linked polyethylene insulated power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103413612A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871656A (en) * | 2014-03-26 | 2014-06-18 | 江苏荣宜电缆有限公司 | Novel insulating fire-proof power cable |
| CN103943233A (en) * | 2014-03-25 | 2014-07-23 | 安徽华峰电缆集团有限公司 | Environment-friendly type waterproof and corrosion-resistant control cable |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11120837A (en) * | 1997-10-09 | 1999-04-30 | Fujikura Ltd | Neutral conductor composite dc power cable and dc power cable line |
| CN101728015A (en) * | 2008-10-16 | 2010-06-09 | 河南金滔电缆有限公司 | Coal mine high temperature resistant waterproof flame-retardant crosslinking polyethylene insulated steel band armored power cable |
| CN202042272U (en) * | 2011-03-31 | 2011-11-16 | 绿宝电缆（集团）有限公司 | Marine power cable with inflaming-retarding copper wire armored polrvinyl chloride and cross-linked polyolefin sheaths |
| CN202102769U (en) * | 2011-06-07 | 2012-01-04 | 安徽五洲特种电缆集团有限公司 | Weatherproof environment-friendly cable for tropical region |
| CN103035335A (en) * | 2012-11-29 | 2013-04-10 | 安徽徽宁电器仪表集团有限公司 | High-temperature and high-voltage power cable |
| CN202917239U (en) * | 2012-10-18 | 2013-05-01 | 江苏双登电力科技有限公司 | Cold-resistant type frequency conversion cable |
| CN203377024U (en) * | 2013-07-23 | 2014-01-01 | 江苏远方电缆厂有限公司 | Crosslinking polyethylene-insulated power cable |
-
2013
- 2013-07-23 CN CN2013103104525A patent/CN103413612A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11120837A (en) * | 1997-10-09 | 1999-04-30 | Fujikura Ltd | Neutral conductor composite dc power cable and dc power cable line |
| CN101728015A (en) * | 2008-10-16 | 2010-06-09 | 河南金滔电缆有限公司 | Coal mine high temperature resistant waterproof flame-retardant crosslinking polyethylene insulated steel band armored power cable |
| CN202042272U (en) * | 2011-03-31 | 2011-11-16 | 绿宝电缆（集团）有限公司 | Marine power cable with inflaming-retarding copper wire armored polrvinyl chloride and cross-linked polyolefin sheaths |
| CN202102769U (en) * | 2011-06-07 | 2012-01-04 | 安徽五洲特种电缆集团有限公司 | Weatherproof environment-friendly cable for tropical region |
| CN202917239U (en) * | 2012-10-18 | 2013-05-01 | 江苏双登电力科技有限公司 | Cold-resistant type frequency conversion cable |
| CN103035335A (en) * | 2012-11-29 | 2013-04-10 | 安徽徽宁电器仪表集团有限公司 | High-temperature and high-voltage power cable |
| CN203377024U (en) * | 2013-07-23 | 2014-01-01 | 江苏远方电缆厂有限公司 | Crosslinking polyethylene-insulated power cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943233A (en) * | 2014-03-25 | 2014-07-23 | 安徽华峰电缆集团有限公司 | Environment-friendly type waterproof and corrosion-resistant control cable |
| CN103871656A (en) * | 2014-03-26 | 2014-06-18 | 江苏荣宜电缆有限公司 | Novel insulating fire-proof power cable |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131127 |