CN1963956A - Novel low smoke zero halogen fire resistant armoured cable - Google Patents
Novel low smoke zero halogen fire resistant armoured cable Download PDFInfo
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- CN1963956A CN1963956A CN 200610097813 CN200610097813A CN1963956A CN 1963956 A CN1963956 A CN 1963956A CN 200610097813 CN200610097813 CN 200610097813 CN 200610097813 A CN200610097813 A CN 200610097813A CN 1963956 A CN1963956 A CN 1963956A
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- wrapped
- low smoke
- zero halogen
- fire resistant
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Abstract
The related halogenless low-smoke fire retardation armoured cable comprises: between the dual-layer open lapping tape armoring and the halogenless low-smoke fire retarding polyolefin oversheath, arranging a buffer layer as lapping or extruding structure to eliminate stress concentration and prevent the oversheath cracking led by the armoring. This invention has well physical and chemical performances, and can improve cable reliability for long service time.
Description
Technical field:
The present invention relates to the cable technology field, the present invention relates to a kind of low smoke zero halogen fire resistant armoured cable more precisely.Belong to technical field of electric wires and cables.
Background technology
Double-deck steel-tape armouring outside directly extrudes the halogen-free and low-smoke flame-retardant polyolefin oversheath in the cable at present; Because the material resistance to tearing of halogen-free and low-smoke flame-retardant polyolefin oversheath is poor, tensile strength is low, elongation at break is low, cable is crooked, concentrated at steel band gap location formation stress when using, cause the oversheath of steel band gap location easily to ftracture, cause cable bad, shortening in useful life, reliability decrease because of being subjected to stress to concentrate to influence.
Summary of the invention:
The purpose of this invention is to provide a kind of cable jacket double-deck band-armored not easy to crack.
The present invention takes following technical scheme to realize:
Novel low smoke zero halogen fire resistant armoured cable comprises conductor, insulating barrier, twining package tape, screen, inner sheath, the wrapped steel-tape armouring in double-deck gap and oversheath; Described conductor, insulating barrier, twining package tape, screen, inner sheath, the wrapped steel-tape armouring in double-deck gap and oversheath be Bao Lvcheng cable from inside to outside successively; It is characterized in that between steel-tape armouring and oversheath, including resilient coating.
Aforesaid novel low smoke zero halogen fire resistant armoured cable is characterized in that wherein said insulating barrier is polyolefin or Halogen elastomeric material; Fire-resisting cable then needs wrapped fire-resistant isinglass belt outside conductor, extrudes polyolefin or Halogen elastomeric material then and forms insulating barrier.
Aforesaid novel low smoke zero halogen fire resistant armoured cable is characterized in that wherein said armouring is that the clad steel band gap is wrapped and forms.
Aforesaid novel low smoke zero halogen fire resistant armoured cable is characterized in that wherein said jacket material is a halogen-free and low-smoke flame-retardant polyolefin.
Aforesaid novel low smoke zero halogen fire resistant armoured cable is characterized in that wherein said resilient coating is wrapped or extrudes structure.
Aforesaid novel low smoke zero halogen fire resistant armoured cable is characterized in that allowing screen between wherein said twining package tape and the inner sheath.
Aforesaid novel low smoke zero halogen fire resistant armoured cable is characterized in that wherein said buffer layer structure is: wrapped resilient coating or extrude resilient coating.
Aforesaid novel low smoke zero halogen fire resistant armoured cable is characterized in that wherein said wrapped resilient coating is that the wrapped number of plies is one or more layers.
Aforesaid novel low smoke zero halogen fire resistant armoured cable is characterized in that its wrapped material of wherein said wrapped resilient coating is a non-absorbent material, comprising: polyester belt, nonwoven fabrics, low smoke, zero halogen glass tape, polyolefin band, composite material; Can adopt the combination of same material or non-same material when multilayer is wrapped; Extrude buffer layer structure material rubber-plastic elastomer, comprising: the mixture of polyolefin, rubber and plastics or copolymer etc.; The elongation at break of rubber-plastic elastomer should be more than or equal to 300%.
The present invention is between wrapped steel-tape armouring in double-deck gap and halogen-free and low-smoke flame-retardant polyolefin oversheath; include resilient coating; this resilient coating is wrapped or extrudes structure; the stress concentration phenomenon that forms on steel band gap location oversheath when being used to eliminate cable bending, use, the protection oversheath is not subjected to the influence of double-deck steel-tape armouring and ftractures.
This cable has insulation resistance constant height, and fire resistance is good, and the amount of being fuming is low during burning, with resilient coating protection cable crooked, oversheath is not subjected to the influence of double-deck steel-tape armouring and ftractures when using, and prolongs cable useful life, improves the reliability of cable.Under the service condition of anti-ant, protection against rodents or environmental requirement, use the halogen-free and low-smoke flame-retardant polyolefin jacket material of anti-ant, protection against rodents or environment-friendly type, constitute the cable of corresponding function model.
Product scope of the present invention relates to power cable, control cable, computer cable, traffic track signal cable and electrical equipment cable, can be widely used in electric power, metallurgy, petrochemical industry, traffic track, building and engineering construction project.Product has very application prospects, and can bring good social benefit and economic benefit.Product of the present invention is applicable to the power that fixedly lays, the transmission of control signal.
The present invention is between wrapped steel-tape armouring armouring in double-deck gap and halogen-free and low-smoke flame-retardant polyolefin oversheath; increase resilient coating; be used for eliminating cable in crooked and use; in steel band and outer cover contact position; be to survey the stress concentration phenomenon that is produced in the oversheath; in normal bending of cable and use, the protection oversheath is not subjected to the influence of the wrapped armouring of clad steel band gap and ftractures.
Description of drawings:
Fig. 1 is the structural representation of novel low smoke zero halogen fire resistant armoured cable of the present invention.
Embodiment:
Novel low smoke zero halogen fire resistant armoured cable as shown in Figure 1, wherein conductor 1, insulation 2, twining package tape 3, screen 4, inner sheath 5, the wrapped armouring 6 of clad steel band gap, resilient coating 7 and oversheath 8; Conductor 1 outside extruded insulation layer 2 back form insulated wire cores; 2～4 thoroughly do away with the edge cores by certain spread pattern in the same way or the stranded line group that becomes of SZ mode, and 2 and above insulated wire cores or line group are by certain spread pattern in the same way or the stranded cable core that becomes of SZ mode; Gap in the cable core allows to fill non-absorbent material, or greasy for preventing water, water blocking yarn.
The present invention is between wrapped armouring of clad steel band gap and halogen-free and low-smoke flame-retardant polyolefin oversheath; increase resilient coating; be used for eliminating cable in crooked and use; at steel band and oversheath contact position is to survey the stress concentration phenomenon that is produced in the oversheath; in normal bending of cable and use, the protection oversheath is not subjected to the influence of steel-tape armouring and ftractures.
Resilient coating has two kinds of structures: (1) structure one, and wrapped resilient coating 7: the wrapped number of plies is one or more layers; Wrapped material is a non-absorbent material, comprising: polyester belt, nonwoven fabrics, low smoke, zero halogen glass tape, polyolefin band, composite material; Can adopt the combination of same material or non-same material when multilayer is wrapped.
(2) structure two, extrude resilient coating 7: the material rubber-plastic elastomer comprises: the mixture of polyolefin, rubber and plastics or copolymer etc.; The elongation at break of rubber-plastic elastomer should be less than 300%; It is non-caked with oversheath that this rubber-plastic elastomer keeps, and allows evenly additional anti-stick thing between resilient coating and oversheath in case of necessity, and comprising: talcum powder, stearic acid compound, silicone grease, petrolatum etc., this additional anti-stick thing should be harmless to cable.
Screen 4: inessential member, only when needing the environment for use condition of good electrical magnetic screen, use.Shielding material and mode comprise: metal wire knitted or wrapping wire, the wrapped or vertical bag of metal tape or the metal compound belt+vertical wire, the wrapped or vertical bag of macromolecule conducting material band, and the combination of above-mentioned material and mode put.
Fire-resisting cable: wrapped one or more layers fire-resistant isinglass belt of elder generation outside conductor, extrude polyolefin or Halogen elastomeric material then and form insulating barrier, constitute fire-resisting cable.
Anti-ant, protection against rodents or environment-friendly cable: under the service condition of anti-ant, protection against rodents or environmental requirement, use the halogen-free and low-smoke flame-retardant polyolefin jacket material of anti-ant, protection against rodents or environment-friendly type, constitute the cable of corresponding function.
Embodiment 1
The crosslinked polyetylene insulated polyolefin jacket power cable with flat steel wire armouring of LSOH anti-flaming, WDZ-JYY
233 * 50 0.6/1kV:
50mm
2Copper conductor 1, crosslinked polyetylene insulated 2, three core insulation cores, 9 stranded cables 11, wrapped layer of non-woven fabric 3, polyolefin inner sheath 5, double-deck wrapped steel-tape armouring 6 at interval, wrapped two layers of low smoke, zero halogen glass tape 7 extrude halogen-free and low-smoke flame-retardant polyolefin oversheath 8.
Embodiment 2
LSOH anti-flaming steel-tape armouring electronic computer cable, WDZ-DJYYP
2-2320 * 2 * 0.5450/750V:
0.5mm
2Copper conductor 1, polyethylene insulation 2,2 thoroughly do away with edge core 9 is twisted into line group 10,20 line group 10 stranded cables 11, polyester twining package tape 3, the wrapped shielding 4 of copper strips, polyolefin inner sheath 5, double-deck wrapped steel-tape armouring 6 at interval, wrapped two layers of low smoke, zero halogen glass tape 7 and layer of non-woven fabric 7 extrude halogen-free and low-smoke flame-retardant polyolefin oversheath 8.
The foregoing description limits the present invention never in any form, and all employings are equal to the technical scheme that form obtained of replacement or equivalent transformation, all drop within protection scope of the present invention.
Claims (9)
1, novel low smoke zero halogen fire resistant armoured cable comprises conductor, insulating barrier, twining package tape, screen, inner sheath, the wrapped steel-tape armouring in double-deck gap and oversheath; Described conductor, insulating barrier, twining package tape, inner sheath, the wrapped steel-tape armouring in double-deck gap and oversheath be Bao Lvcheng cable from inside to outside successively; It is characterized in that between wrapped steel-tape armouring in double-deck gap and oversheath, including resilient coating.
2, novel low smoke zero halogen fire resistant armoured cable according to claim 1, it is characterized in that wherein said insulating barrier be polyolefin or or the Halogen elastomeric material; Fire-resisting cable then needs wrapped fire-resistant isinglass belt outside conductor, extrudes polyolefine material or Halogen elastomer then and forms insulating barrier.
3, novel low smoke zero halogen fire resistant armoured cable according to claim 1 is characterized in that wherein said steel-tape armouring is that the clad steel band gap is wrapped and forms.
4, novel low smoke zero halogen fire resistant armoured cable according to claim 1 is characterized in that wherein said sheath material is a halogen-free and low-smoke flame-retardant polyolefin.
5, novel low smoke zero halogen fire resistant armoured cable according to claim 1 is characterized in that wherein said resilient coating is wrapped or extrudes structure.
6, novel low smoke zero halogen fire resistant armoured cable according to claim 1 is characterized in that allowing screen between wherein said twining package tape and the inner sheath.
7, novel low smoke zero halogen fire resistant armoured cable according to claim 1 is characterized in that wherein said buffer layer structure is: wrapped resilient coating or extrude resilient coating.
8, novel low smoke zero halogen fire resistant armoured cable according to claim 7 is characterized in that the wrapped number of plies of wherein said wrapped resilient coating is one or more layers.
9, according to claim 7 or 8 described novel low smoke zero halogen fire resistant armoured cables, it is characterized in that its wrapped material of wherein said wrapped resilient coating is a non-absorbent material, comprising: polyester belt, nonwoven fabrics, low smoke, zero halogen glass tape, polyolefin band, composite material; Can adopt the combination of same material or non-same material when multilayer is wrapped; Extrude buffer layer structure material rubber-plastic elastomer, comprising: the mixture of polyolefin, rubber and plastics or copolymer etc.; The elongation at break of rubber-plastic elastomer should be more than or equal to 300%, and maintenance and oversheath are non-caked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610097813 CN1963956A (en) | 2006-11-14 | 2006-11-14 | Novel low smoke zero halogen fire resistant armoured cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610097813 CN1963956A (en) | 2006-11-14 | 2006-11-14 | Novel low smoke zero halogen fire resistant armoured cable |
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| Publication Number | Publication Date |
|---|---|
| CN1963956A true CN1963956A (en) | 2007-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610097813 Pending CN1963956A (en) | 2006-11-14 | 2006-11-14 | Novel low smoke zero halogen fire resistant armoured cable |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800386A (en) * | 2012-08-14 | 2012-11-28 | 江苏通鼎光电科技有限公司 | Copper-wire-knitted data transmission cable for shielding transponder |
| CN102956316A (en) * | 2011-08-29 | 2013-03-06 | 北京市重型电缆厂 | Water-saving pump cable and manufacture method thereof |
| CN103177813A (en) * | 2013-03-25 | 2013-06-26 | 浙江中天电线电缆有限公司 | Data cable for charging oil and with water-stopping function |
| CN103198898A (en) * | 2013-03-25 | 2013-07-10 | 浙江中天电线电缆有限公司 | Termite-proof and compression resistant directly-buried data cable |
| CN103871630A (en) * | 2014-03-01 | 2014-06-18 | 无为县金华电缆材料有限公司 | Heat-resisting flexible cable for constructional engineering |
| CN103871573A (en) * | 2014-03-01 | 2014-06-18 | 无为县金华电缆材料有限公司 | Flexible cable for constructional engineering |
| CN103871629A (en) * | 2014-03-01 | 2014-06-18 | 无为县金华电缆材料有限公司 | Heat-resisting flexible armoured cable for constructional engineering |
| CN103871572A (en) * | 2014-03-01 | 2014-06-18 | 无为县金华电缆材料有限公司 | Flexible acid and alkali resistant cable for constructional engineering |
| CN103871631A (en) * | 2014-03-01 | 2014-06-18 | 无为县金华电缆材料有限公司 | Constructional engineering cable |
| CN104851492A (en) * | 2014-02-18 | 2015-08-19 | 安徽江淮电缆集团有限公司 | Computer shield insulation cable |
| CN106816219A (en) * | 2015-11-30 | 2017-06-09 | 安徽九华金润铜业有限公司 | A kind of intelligent anti-theft cable |
| CN108648863A (en) * | 2018-05-09 | 2018-10-12 | 安徽意力电缆有限公司 | A kind of wear-resisting type rail transit locomotive cable |
| CN108666024A (en) * | 2018-05-09 | 2018-10-16 | 安徽意力电缆有限公司 | A kind of high intensity, wear-resisting type rail transit locomotive cable |
-
2006
- 2006-11-14 CN CN 200610097813 patent/CN1963956A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956316A (en) * | 2011-08-29 | 2013-03-06 | 北京市重型电缆厂 | Water-saving pump cable and manufacture method thereof |
| CN102800386A (en) * | 2012-08-14 | 2012-11-28 | 江苏通鼎光电科技有限公司 | Copper-wire-knitted data transmission cable for shielding transponder |
| CN103177813A (en) * | 2013-03-25 | 2013-06-26 | 浙江中天电线电缆有限公司 | Data cable for charging oil and with water-stopping function |
| CN103198898A (en) * | 2013-03-25 | 2013-07-10 | 浙江中天电线电缆有限公司 | Termite-proof and compression resistant directly-buried data cable |
| CN104851492A (en) * | 2014-02-18 | 2015-08-19 | 安徽江淮电缆集团有限公司 | Computer shield insulation cable |
| CN103871573A (en) * | 2014-03-01 | 2014-06-18 | 无为县金华电缆材料有限公司 | Flexible cable for constructional engineering |
| CN103871629A (en) * | 2014-03-01 | 2014-06-18 | 无为县金华电缆材料有限公司 | Heat-resisting flexible armoured cable for constructional engineering |
| CN103871572A (en) * | 2014-03-01 | 2014-06-18 | 无为县金华电缆材料有限公司 | Flexible acid and alkali resistant cable for constructional engineering |
| CN103871631A (en) * | 2014-03-01 | 2014-06-18 | 无为县金华电缆材料有限公司 | Constructional engineering cable |
| CN103871630A (en) * | 2014-03-01 | 2014-06-18 | 无为县金华电缆材料有限公司 | Heat-resisting flexible cable for constructional engineering |
| CN106816219A (en) * | 2015-11-30 | 2017-06-09 | 安徽九华金润铜业有限公司 | A kind of intelligent anti-theft cable |
| CN108648863A (en) * | 2018-05-09 | 2018-10-12 | 安徽意力电缆有限公司 | A kind of wear-resisting type rail transit locomotive cable |
| CN108666024A (en) * | 2018-05-09 | 2018-10-16 | 安徽意力电缆有限公司 | A kind of high intensity, wear-resisting type rail transit locomotive cable |
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