CN102347101A - Fire-resistant multi-core flexible cable for communication power supply - Google Patents
Fire-resistant multi-core flexible cable for communication power supply Download PDFInfo
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- CN102347101A CN102347101A CN2010102419384A CN201010241938A CN102347101A CN 102347101 A CN102347101 A CN 102347101A CN 2010102419384 A CN2010102419384 A CN 2010102419384A CN 201010241938 A CN201010241938 A CN 201010241938A CN 102347101 A CN102347101 A CN 102347101A
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Abstract
The invention relates to a fire-resistant multi-core flexible cable for a communication power supply, which comprises an insulation wire core (1), and is characterized in that a mica tape (2) is arranged outside the insulation wire core (1); a cabling filling rope (3) is arranged outside the mica tape (2); a cabling warping tape (4) is arranged outside the cabling filling rope (3); a zero-halogen low-smoke polyolefin sheath (5) is arranged outside the cabling warping tape (4); the cabling filling rope (3) is a flame-resistance inorganic paper rope; and the cabling warping tape (4) is zero-halogen low-smoke high-flame resistance fire insulation glass cloth wrapping tape. In the fire-resistant multi-core flexible cable for the communication power supply, the inorganic paper rope as the filling rope and the zero-halogen low-smoke high-flame resistance fire insulation glass cloth wrapping tape are adopted to replace a glass fiber rope and a glass fiber tape used in an original product. All performance indexes of the fire-resistant multi-core flexible cable for the communication power supply completely meet and are superior to the requirement of a YD/T1173-2001.
Description
Technical field
The invention belongs to power cable category, a kind of communication power supply flame resistant multi-core flexible cable specifically, the present invention is mainly communication power supply flexible electric power cable, cable rated operational voltage: 600/1000V.The present invention is mainly applicable to defeated, the distribution system of the power supplys such as communication bureau's (station), the fire-resistant elevator of having relatively high expectations, fire-fighting system and skyscraper.
Background technology
At present, it is YD/T1173-2001 by the standard that flame-retardant refractory flexible electric cable is carried out that domestic enterprise manufactures communication power supply, and in standard, regulation stranding filling requirement is refractory material, and cable core surface is wrapped with fire resistant belt imbrication.At present, on market, most of manufacturer adopts glass fiber rope as packing material in fire-resisting flexible cable stranding manufacture process, wrapped as fire resistant belt imbrication with glass fibre belt.
This existing production material and structure exist the defect that much cannot overcome: 1, manufacture process risk larger.Adopt glass fiber rope as packing material, hard because glass fibre in glass fiber rope is thin, in production process, uncontrollable glass fibre punctures insulating barrier, thereby withstand voltage test causes cable many places to puncture in detecting, and cable can not be used.2, do not meet environmental-protecting performance requirement.Light because glass fibre in glass fiber rope is thin, in production and use procedure, easily fly away, the lung of workman in Workplace and skin are damaged.3, increase labour cost and protection expense.Because glass fibre in glass fiber rope can cause production operation personnel skin, very itch, in production, operating personnel must protect skin not to be exposed to as far as possible in air, increase protective articles.Due to operating personnel are had to injury, enthusiasm for production is not high, needs the time, therefore production efficiency is lower while increasing protection.4, properties of product need to promote.Because the material using in original product is all the traditional material before 15 years, be accompanied by the appearance of new material, the fire resistance period of product and performance can be highly improved.
Summary of the invention
The present invention seeks in order to overcome above-mentioned defect, the communication power supply low smoke, zero halogen fire-resisting flexible cable of a kind of high temperature resistant, flame resistant, high flame retardant is provided.
Technical scheme of the present invention is:
Stranding gasket for packing of the present invention adopts fire-retardant inorganic paper string to substitute glass fiber rope; Stranding twining package tape adopts halogen-free low-smoke high-flame fire insulation glass cloth band to substitute glass fibre belt.
A communication power supply flame resistant multi-core flexible cable, comprises insulated wire cores, and described insulated wire cores arranges mica tape outward, and mica tape is provided with stranding gasket for packing outward, and stranding gasket for packing is provided with stranding twining package tape outward, and stranding twining package tape peripheral hardware has low smoke, zero halogen polyolefin jacket.
Described stranding gasket for packing is fire-retardant inorganic paper string.
Described stranding twining package tape is halogen-free low-smoke high-flame fire insulation glass cloth band.
The invention has the beneficial effects as follows:
The present invention adopts inorganic paper string gasket for packing and halogen-free low-smoke high-flame fire insulation glass cloth band to substitute in original product and uses glass fiber rope and glass fibre belt.Inorganic mineral paper rope of the present invention have density greatly, do not burn, heat resistance is high, is closely difficult for ventilative.That the cable manufacturing has is high temperature resistant, flame resistant, not Halogen, be not fuming, ampacity improves the features such as 10% left and right.Communication power supply of the present invention is filled lapping structure with flame resistant multi-core flexible cable stranding and is adopted halogen-free low-smoke high-flame fire insulation glass cloth band to substitute original glass fibre belt using, halogen-free low-smoke high-flame fire insulation glass cloth band refuge floor is met fire and is resolved into metal oxide and crystallization water, after metal oxide decomposes, form network structure, flue gas is had to certain suction-operated.And the crystallization water of separating out not only plays obvious settlement action to soot, but also there is good endothermic effect.The property indices of the product of producing meets and is better than the requirement of YD/T1173-2001 standard completely.
Accompanying drawing explanation
Fig. 1 is vertical section structure schematic diagram of the present invention.
Fig. 2 is cross-sectional structure schematic diagram of the present invention.
In figure: 1, insulated wire cores, 2, mica tape, 3, stranding gasket for packing, 4, stranding twining package tape, 5, low smoke, zero halogen polyolefin jacket.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
A communication power supply flame resistant multi-core flexible cable, comprises insulated wire cores 1, the outer mica tape 2 that arranges of insulated wire cores 1, and the outer stranding gasket for packing 3 that is provided with of mica tape 2, stranding gasket for packing 3 is outer is provided with stranding twining package tape 4, and stranding twining package tape 4 peripheral hardwares have low smoke, zero halogen polyolefin jacket 5.
Stranding gasket for packing 3 is fire-retardant inorganic paper string.
Stranding twining package tape 4 is halogen-free low-smoke high-flame fire insulation glass cloth band.
When communication power supply is produced by fire-resisting flexible cable stranding operation, adopt fire-retardant inorganic paper string to substitute original glass fiber rope using, fire-retardant inorganic paper string is mainly pulverized with pulverizer respectively by mineral wool and waste paper; The water, the 7-9.5% waste paper scrap that in mixer, first add 30-37%, after stirring, add successively 7-9.5%MgO, 7-9.5%Al ↓ ［ 2 ］ O ↓ ［ 3 ］, 15-19%SiO ↓ ［ 2 ］, stir after 10-50 minute, add again 25-30% vinyl acetate ethylene copolymerization emulsions, stir again 10-50 minute, make paper pulp; The mineral wool powder and the paper pulp that by weight, are 1: 1 mix, and adopt plastic extruding machine, through heating, compress, integrate, extrude diameter, are 2mm left and right raw yarn, and heating-up temperature is 100-220 ℃; Again raw yarn is stranding into inorganic mineral paper rope.Inorganic mineral paper rope have density greatly, do not burn, heat resistance is high, is closely difficult for ventilative.That the cable manufacturing has is high temperature resistant, flame resistant, not Halogen, be not fuming, ampacity improves the features such as 10% left and right.
Before communication power supply is stranded with fire-resisting flexible cable stranding operation cable core, accurately measure insulated wire cores external diameter, through calculating in detail the outer interval area of core, adopt 2-3 fire-retardant inorganic paper string sectional area summations to be greater than interval area, adopt the mode of closely filling; The first stranding pressing mold size is the numerical value through accurate calculating according to insulated wire cores outer diameter parameters, the second stranding pressing mold size is according to the little 0.2--1.0mm of numeric ratio evaluation of cable size and the tight situation employing of cable core, mode is pressed in the stranded employing of stranding, make the communication power supply of producing become cable core rounding, tight as much as possible with fire-resisting flexible cable, be difficult for ventilative.Like this, when cable is in more than 800 ℃ combustion flames, the time that between core, insulating barrier low smoke, zero halogen polyolefine material is burnt can be extended effectively.
When communication power supply is used the wrapped production of fire-resisting flexible cable stranding operation, adopt halogen-free low-smoke high-flame fire insulation glass cloth band to substitute original glass fibre belt using, halogen-free low-smoke high-flame fire insulation glass cloth band refuge floor is met fire and is resolved into metal oxide and crystallization water, after metal oxide decomposes, form network structure, flue gas is had to certain suction-operated.And the crystallization water of separating out not only plays obvious settlement action to soot, but also there is good endothermic effect.In this external combustion process, can form carbonized structure, this carburization zone is being brought into play huge effect aspect the low cigarette of cable, fire-retardantization, burning rate when heat-absorbing action delay cable takes fire itself and the time of sharply rising, formation due to carbonized structure, thereby the supply of oxygen and flowing of fuel gas have been hindered, the burning of therefore having resisted cable.When communication power supply is used the wrapped production of fire-resisting flexible cable stranding operation, wrapped pressing mold size and the second stranding pressing mold consistent size, it is 50% left and right that halogen-free low-smoke high-flame fire insulation glass cloth band adopts wrapped Duplication, basic guarantee cable surface is wrapped reaches 2 layers of halogen-free low-smoke high-flame fire insulation glass cloth band, wrappedly require smooth, smooth, closely, be difficult for ventilative.Owing to containing metal hydrate composition in halogen-free low-smoke high-flame fire insulation glass cloth band, be difficult for breathing freely, have good fire insulation performance, make flexible cable become cable core insulating barrier low smoke, zero halogen polyolefine material to be difficult for burning, effectively extend the cable fire time, guarantee fire-resisting flexible cable excellent quality for communication power supply, stable, reliable.
Embodiment recited above is described the preferred embodiment of the present invention; not the spirit and scope of the present invention are limited; do not departing under design concept prerequisite of the present invention; various modification and improvement that in this area, common engineers and technicians make technical scheme of the present invention; all should fall into protection scope of the present invention, the technology contents that the present invention asks for protection is all documented in claims.
Claims (3)
1.
a kind of communication power supply flame resistant multi-core flexible cable, comprise insulated wire cores (1), it is characterized in that the outer mica tape (2) that arranges of described insulated wire cores (1), the outer stranding gasket for packing (3) that is provided with of mica tape (2), stranding gasket for packing (3) is outer is provided with stranding twining package tape (4), and stranding twining package tape (4) peripheral hardware has low smoke, zero halogen polyolefin jacket (5).
2.
communication power supply flame resistant multi-core flexible cable according to claim 1, is characterized in that described stranding gasket for packing (3) is fire-retardant inorganic paper string.
3.
communication power supply flame resistant multi-core flexible cable according to claim 1, is characterized in that described stranding twining package tape (4) is halogen-free low-smoke high-flame fire insulation glass cloth band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102419384A CN102347101A (en) | 2010-08-02 | 2010-08-02 | Fire-resistant multi-core flexible cable for communication power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102419384A CN102347101A (en) | 2010-08-02 | 2010-08-02 | Fire-resistant multi-core flexible cable for communication power supply |
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| CN102347101A true CN102347101A (en) | 2012-02-08 |
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| CN2010102419384A Pending CN102347101A (en) | 2010-08-02 | 2010-08-02 | Fire-resistant multi-core flexible cable for communication power supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252905A (en) * | 2013-06-29 | 2014-12-31 | 沈阳岳阳电缆有限公司 | Flame-retardant, flexible, fireproof and environment-friendly low-voltage power cable |
| CN106531302A (en) * | 2016-12-29 | 2017-03-22 | 河南金水电缆集团有限公司 | Firewall cable with rated voltage of 450/750V and below |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2397574Y (en) * | 1999-09-01 | 2000-09-20 | 江苏宝胜集团有限公司 | Fire-proof cable |
| CN201134298Y (en) * | 2007-12-16 | 2008-10-15 | 远东电缆有限公司 | Fire resistant electric power communication composite cable |
| CN101315819A (en) * | 2007-05-29 | 2008-12-03 | 上海摩恩电气有限公司 | Production method of large size mineral insulation fireproof cable |
| CN201181601Y (en) * | 2008-01-24 | 2009-01-14 | 上海浦东电线电缆(集团)有限公司 | Irradiation cross-linking type low-smoke non-halogen flame-proof electric wire |
| CN201247633Y (en) * | 2008-06-11 | 2009-05-27 | 江苏亨通电力电缆有限公司 | Halogen-free, flame-proof, shielding anti-interference flexible cable for communication power supply |
| CN201247632Y (en) * | 2008-06-11 | 2009-05-27 | 江苏亨通电力电缆有限公司 | Flame-proof, shielding anti-interference flexible cable for communication power supply |
| CN201302849Y (en) * | 2008-12-09 | 2009-09-02 | 天津金山电线电缆股份有限公司 | Flame-retardant and fire-resisting flexible cable for communication power supply |
| CN101661812A (en) * | 2009-09-27 | 2010-03-03 | 江苏俊知技术有限公司 | Flexible electric power cable with steel-tape corrugated longitudinal wrapping armor layer |
| CN201780819U (en) * | 2010-08-02 | 2011-03-30 | 江苏俊知技术有限公司 | Flame resistant multi-core flexible cable for communication power supply |
-
2010
- 2010-08-02 CN CN2010102419384A patent/CN102347101A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2397574Y (en) * | 1999-09-01 | 2000-09-20 | 江苏宝胜集团有限公司 | Fire-proof cable |
| CN101315819A (en) * | 2007-05-29 | 2008-12-03 | 上海摩恩电气有限公司 | Production method of large size mineral insulation fireproof cable |
| CN201134298Y (en) * | 2007-12-16 | 2008-10-15 | 远东电缆有限公司 | Fire resistant electric power communication composite cable |
| CN201181601Y (en) * | 2008-01-24 | 2009-01-14 | 上海浦东电线电缆(集团)有限公司 | Irradiation cross-linking type low-smoke non-halogen flame-proof electric wire |
| CN201247633Y (en) * | 2008-06-11 | 2009-05-27 | 江苏亨通电力电缆有限公司 | Halogen-free, flame-proof, shielding anti-interference flexible cable for communication power supply |
| CN201247632Y (en) * | 2008-06-11 | 2009-05-27 | 江苏亨通电力电缆有限公司 | Flame-proof, shielding anti-interference flexible cable for communication power supply |
| CN201302849Y (en) * | 2008-12-09 | 2009-09-02 | 天津金山电线电缆股份有限公司 | Flame-retardant and fire-resisting flexible cable for communication power supply |
| CN101661812A (en) * | 2009-09-27 | 2010-03-03 | 江苏俊知技术有限公司 | Flexible electric power cable with steel-tape corrugated longitudinal wrapping armor layer |
| CN201780819U (en) * | 2010-08-02 | 2011-03-30 | 江苏俊知技术有限公司 | Flame resistant multi-core flexible cable for communication power supply |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252905A (en) * | 2013-06-29 | 2014-12-31 | 沈阳岳阳电缆有限公司 | Flame-retardant, flexible, fireproof and environment-friendly low-voltage power cable |
| CN106531302A (en) * | 2016-12-29 | 2017-03-22 | 河南金水电缆集团有限公司 | Firewall cable with rated voltage of 450/750V and below |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20120208 |