CN103310893A - High-performance cable for construction - Google Patents
High-performance cable for construction Download PDFInfo
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- CN103310893A CN103310893A CN2013102646822A CN201310264682A CN103310893A CN 103310893 A CN103310893 A CN 103310893A CN 2013102646822 A CN2013102646822 A CN 2013102646822A CN 201310264682 A CN201310264682 A CN 201310264682A CN 103310893 A CN103310893 A CN 103310893A
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Abstract
The invention discloses a high-performance cable for construction. The high-performance cable for construction solves the problem that the existing cable for construction is low in fire resistance, poor in weather resistance, short in service life and the like. The high-performance cable for construction has the advantages of being environmentally friendly, inflaming retarding, waterproof, moistureproof, strong in antijamming capability, excellent in electric performance, long in service life and the like. The high-performance cable for construction structurally comprises a cable core which is composed of a plurality of insulating wire cores arranged in a filling body, each insulating wire core comprises a conductor and a double-layer co-extrusion heterogeneous insulating layer arranged outside the conductor in a pressing and wrapping mode, and the cable core is sequentially wrapped by a wrapping layer, a cable shielding layer, an oxygen separating layer, an armor layer and a cable outer sheath sequentially from inside to outside.
Description
Technical field
The present invention relates to a kind of cable, relate in particular to a kind of test method and Arrhenius model inference according to the IEC60216-1:2001 regulation and go out cable at 85 ℃ of high-performance building cables that reach 76.2 lower useful life.
Background technology
Present cable for building mostly is the individual layer insulation, uses polyvinyl chloride or crosslinked polyetylene insulated, and its electric performance stablity is poor, poor anti jamming capability, inflammable (easily spontaneous combustion), easily aging, scratch easy to wear, be afraid of moistly, produce thick smoke severe toxicity during burning and exist potential safety hazard, particularly useful life short, can't reach and the same equivalent life of building, and secondary wiring replacement cost is high, and building is stayed potential safety hazard, and building was died young in the thirty years of age.
Chinese patent CN202720937U discloses a kind of skyscraper suspension type installing cables, comprises cable core, and the gap in cable core is provided with packed layer, extrudes successively inner covering, armour, oversheath outside cable core; Mainly be, be provided with three steel wire ropes in the cable core.Its cable core is by several insulated wire cores and three stranded forming of steel wire rope; Described insulated wire cores is to be made of the conductor insulation outer with being extruded in conductor.But the cable that this patent is announced is individual layer insulation, and unshielded layer, and electric performance stablity is poor, and ageing resistance and weatherability are poor, block water, moisture effect is bad, especially useful life short, be generally 20-40, can not reach and the same life-span of building.
Chinese patent CN201667252U discloses a kind of middle pressure drag and has fired fire-resistant environment-friendly type armoured power cable, comprise one or more cable core and coat the band (7) of whole cable cores, cable core comprises by inner and outer successively wrapped conductor (1), conductor screen (2), conductor insulation (3), insulation shielding (4) and metallic shield (5); Be surrounded with the semiconductive band (7) that blocks water outside whole cable cores, the space between cable core and the band (7) is filled with packing material (6); Outside band (7), be surrounded with water blocking layer (8), the outer oxygen barrier layer (9) that is surrounded with of water blocking layer (8), outer inner covering (10), anticorrosion steel band (11) and the sheath (12) of coating successively of oxygen barrier layer (9).But the cable conductor that this patent is announced does not adopt dissimilar materials double-layer coextrusion insulated, and ageing resistace is poor, and useful life is short, and the building that is used for 70 year useful life needs to change circuit about 3 times, spends a large amount of manpower and materials.
Summary of the invention
Purpose of the present invention provides a kind of high-performance building cable exactly for overcoming above-mentioned the deficiencies in the prior art, and this cable has environmental protection, and is fire-retardant, ageing-resistant performance, and antijamming capability is strong, Stability Analysis of Structures, protection against the tide blocks water, superior electrical property, particularly long service life.
For achieving the above object, the present invention adopts following proposal:
A kind of high-performance building cable, it comprises cable core, cable core is comprised of some insulated wire cores that are arranged in the obturator, each insulated wire cores comprises the heterogeneous insulating barrier of double-layer coextrusion that conductor is outer with being extruded in conductor, and described cable core is coated with belting layer, cable shield, oxygen barrier layer, armour, cable jacket outward from inside to outside successively.
Comprise three insulated wire cores that twist together in the described cable core.
The heterogeneous insulating barrier of described double-layer coextrusion is inner insulating layer and external insulation layer; Wherein, inner insulating layer is the IXPE insulating barrier, external insulation layer is the irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin insulating barrier, inside and outside thickness of insulating layer ratio is 1:1, through testing and verification, when inside and outside thickness of insulating layer ratio was 1:1, insulation resistance and the fire resistance of insulated wire cores reached optimum efficiency; Heterogeneous insulation is extruded by double-layer coextrusion and is avoided having the impurity such as air, dust to sneak between the insulation, makes the electrical property of product, ageing resistace more stable.
Described belting layer is the high flame retardant band, makes fire resistance more reliable.
Described cable shield is for pricking the vertical bag of line screen, and screen is aluminium-plastic tape.
Described cable oxygen barrier layer is halogen-free flameproof elasticity obturator, and oxygen index reaches 40, is extruded in the cable core outside.
Described armour is the galvanized steel strip armouring.
Described cable jacket adopts LSOH anti-flaming cross-linking radiation polyolefin to be prepared from.
The present invention is the high-performance building cable in being applied to build, the internal layer of every eradication edge core conductor outer wall is the IXPE Insulation Material, improved the electrical property of product, reduced dielectric loss in use, make signal transmission more stable, reliable, thereby ensured effective transmission of cable; Skin is irradiated crosslinking low-smoke and halogen-free polyolefin insulation material, and it possesses excellent electrical property, high-low temperature resistant, useful life, mechanical and physical performance.Cable cover(ing) is low-smoke non-halogen flame-retardant cross-linking radiation polyolefin jacket material, and the characteristic such as protective cover material has that anti-cracking performance is excellent, thermal contraction is little, easy processing, taste are little, LSOH anti-flaming the most important thing is that anti-environmental aging performance is high, long service life.
Tape for cables is the high flame retardant band, makes fire resistance more reliable.Cable shield adopts aluminium-plastic tape bundle line to indulge and wraps, and makes product have preferably shield effectiveness, contains again and moulds the band mechanical stress, makes screen more firm, reliable, the performances such as simultaneously increase blocks water, protection against the tide, and the bending property of enhancing product is convenient to laying installation.
The invention has the beneficial effects as follows: environmental protection, fire-retardant, antijamming capability is strong, superior electrical property, resistance to ag(e)ing is good, long service life.The cable material therefor all is low-smoke non-halogen flame-retardant ep-type materials, in fire-retardant, guaranteed cable the feature of environmental protection, improved cable useful life.Double-layer coextrusion technology and irradiation crosslinking technological are adopted in insulation, and inside and outside insulation thickness ratio is 1:1, makes cable have more superior electrical property.Adopt the vertical bag of bundle line screen to make screen tightr, antijamming capability is strong, and moisture effect is better, and good bending property is convenient to laying installation.Oversheath adopts low-smoke non-halogen flame-retardant cross-linking radiation polyolefin jacket material, guarantees fire-retardant, the environmental-protecting performance of cable, makes the cable longer service life.
Description of drawings
Fig. 1 is structural representation of the present invention;
Wherein, 1. conductor, 2. inner insulating layer, 3. external insulation layer is 4. filled, 5. band, 6. screen 7. oxygen barrier layers, 8. armour, 9. oversheath.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing and embodiment.
Among Fig. 1, cable core comprises three strand insulation high core conductors that are arranged in the low-smoke non-halogen flame-retardant obturator 4; The outer wall of every eradication edge core conductor 1 all wraps up inner insulating layer 2 and external insulation layer 3 successively, and wherein inner insulating layer 2 is the IXPE insulating barrier; External insulation layer 3 is the irradiated crosslinking low-smoke and halogen-free polyolefin insulation layer, and inside and outside thickness of insulating layer ratio is 1:1, and through testing and verification, when inside and outside thickness of insulating layer ratio was 1:1, insulation resistance and the fire resistance of insulated wire cores reached optimum efficiency; Heterogeneous insulation is extruded by double-layer coextrusion and is avoided having the impurity such as air, dust to sneak between the insulation, makes the electrical property of product, ageing resistace more stable.
Wrap up successively from inside to outside tape for cables 5, cable shield 6, cable oxygen barrier layer 7, cable sheath 8 and cable jacket 9 at the outer wall of filling 4.
Tape for cables layer 5 is the high flame retardant band, makes fire resistance more reliable.Cable shield increases the cable shield effect for pricking the vertical alclad plastic composite strip screen 6 of line, reduces bending radius, and waterproof, protection against the tide.Cable oxygen barrier layer 7 is low-smoke non-halogen flame-retardant elasticity obturator.Cable sheath 8 is the galvanized steel strip armouring.Cable jacket is low-smoke non-halogen flame-retardant cross-linking radiation polyolefin.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (8)
1. high-performance building cable, it is characterized in that, it comprises cable core, cable core is comprised of some insulated wire cores that are arranged in the obturator, each insulated wire cores comprises the heterogeneous insulating barrier of double-layer coextrusion that conductor is outer with being extruded in conductor, and described cable core is coated with belting layer, cable shield, oxygen barrier layer, armour, cable jacket outward from inside to outside successively.
2. high-performance building cable as claimed in claim 1 is characterized in that, comprises three insulated wire cores that twist together in the described cable core.
3. high-performance building cable as claimed in claim 1 is characterized in that, described tape for cables layer is the high flame retardant band.
4. high-performance building cable as claimed in claim 1 is characterized in that, described cable shield is for pricking the vertical bag of line screen, and vertical bag screen is aluminium-plastic tape.
5. high-performance building cable as claimed in claim 1 is characterized in that, described cable oxygen barrier layer is low-smoke non-halogen flame-retardant elasticity obturator.
6. high-performance building cable as claimed in claim 1 is characterized in that, described cable sheath is the galvanized steel strip armouring.
7. high-performance building cable as claimed in claim 1 is characterized in that, described cable jacket adopts low-smoke non-halogen flame-retardant cross-linking radiation polyolefin to be prepared from.
8. high-performance building cable as claimed in claim 1 is characterized in that, the heterogeneous insulating barrier of described double-layer coextrusion is inner insulating layer and external insulation layer; Wherein, inner insulating layer is the IXPE insulating barrier, and external insulation layer is the irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin insulating barrier, and inside and outside thickness of insulating layer is than being 1:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310264682.2A CN103310893B (en) | 2013-06-27 | 2013-06-27 | High-performance cable for construction |
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| CN201310264682.2A CN103310893B (en) | 2013-06-27 | 2013-06-27 | High-performance cable for construction |
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| CN103310893A true CN103310893A (en) | 2013-09-18 |
| CN103310893B CN103310893B (en) | 2016-02-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240810A (en) * | 2014-08-26 | 2014-12-24 | 山东华凌电缆有限公司 | Level-1E cable for gentle environment of third-generation passive nuclear power plant and producing method thereof |
| CN104392787A (en) * | 2014-12-02 | 2015-03-04 | 四川明星电缆股份有限公司 | Building halogen-free low-smoke flame-retardant cable |
| CN105355285A (en) * | 2015-12-10 | 2016-02-24 | 江苏远方电缆厂有限公司 | Anti-retraction crosslinked polyethylene insulated cable |
| CN109637729A (en) * | 2017-10-09 | 2019-04-16 | 江苏亨通电力电缆有限公司 | Mineral-insulated fireproof controls cable |
| CN110211734A (en) * | 2019-07-04 | 2019-09-06 | 中特华星电缆股份有限公司 | A kind of high life tunnel culvert cable |
| CN114552511A (en) * | 2022-02-15 | 2022-05-27 | 扬州中大电缆有限公司 | Super-flexible wear-resistant waterproof cable for ship |
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| JP2000285741A (en) * | 1999-03-31 | 2000-10-13 | Okinawa Electric Power Co Ltd | Double-armored submarine cable and its laying method |
| CN2609127Y (en) * | 2003-03-24 | 2004-03-31 | 德阳电缆股份有限公司 | Water-stopping dampproof corrosion-proof power cable |
| CN101465176A (en) * | 2007-12-19 | 2009-06-24 | 上海胜华电缆（集团）有限公司 | Power cable for 1E grade K3 genus nuclear power plant |
| CN201503712U (en) * | 2009-09-21 | 2010-06-09 | 江苏中超电缆股份有限公司 | Environment-friendly flame-retardant combined cable |
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| CN203338837U (en) * | 2013-06-27 | 2013-12-11 | 山东华凌电缆有限公司 | High-performance construction cable |
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2013
- 2013-06-27 CN CN201310264682.2A patent/CN103310893B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000285741A (en) * | 1999-03-31 | 2000-10-13 | Okinawa Electric Power Co Ltd | Double-armored submarine cable and its laying method |
| CN2609127Y (en) * | 2003-03-24 | 2004-03-31 | 德阳电缆股份有限公司 | Water-stopping dampproof corrosion-proof power cable |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240810A (en) * | 2014-08-26 | 2014-12-24 | 山东华凌电缆有限公司 | Level-1E cable for gentle environment of third-generation passive nuclear power plant and producing method thereof |
| CN104240810B (en) * | 2014-08-26 | 2016-08-24 | 山东华凌电缆有限公司 | The passive nuclear power station of three generations eases up the production method of environment 1E level cable |
| CN104392787A (en) * | 2014-12-02 | 2015-03-04 | 四川明星电缆股份有限公司 | Building halogen-free low-smoke flame-retardant cable |
| CN105355285A (en) * | 2015-12-10 | 2016-02-24 | 江苏远方电缆厂有限公司 | Anti-retraction crosslinked polyethylene insulated cable |
| CN109637729A (en) * | 2017-10-09 | 2019-04-16 | 江苏亨通电力电缆有限公司 | Mineral-insulated fireproof controls cable |
| CN110211734A (en) * | 2019-07-04 | 2019-09-06 | 中特华星电缆股份有限公司 | A kind of high life tunnel culvert cable |
| CN114552511A (en) * | 2022-02-15 | 2022-05-27 | 扬州中大电缆有限公司 | Super-flexible wear-resistant waterproof cable for ship |
| CN114552511B (en) * | 2022-02-15 | 2023-10-17 | 扬州中大电缆有限公司 | Super-flexible wear-resistant waterproof marine cable |
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|---|---|
| CN103310893B (en) | 2016-02-10 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Zhangqiu City, Ji'nan City, Shandong province 250220 No. ten road ten Road No. seven high-tech park in St. Applicant after: SHANDONG HUALING GABLE CO.,LTD. Address before: Licheng District 250220 Shandong city of Ji'nan province through No. ten road ten Road No. 7 high-tech park in St. Applicant before: SHANDONG HUALING GABLE CO.,LTD. |
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| C14 | Grant of patent or utility model | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: High performance building cables Effective date of registration: 20230531 Granted publication date: 20160210 Pledgee: Qilu bank Limited by Share Ltd. Ji'nan Zhangqiu branch Pledgor: SHANDONG HUALING GABLE CO.,LTD. Registration number: Y2023980042312 |