CN105206347A - Fire-resistant and high-temperature-resistant communication cable - Google Patents
Fire-resistant and high-temperature-resistant communication cable Download PDFInfo
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- CN105206347A CN105206347A CN201510625638.9A CN201510625638A CN105206347A CN 105206347 A CN105206347 A CN 105206347A CN 201510625638 A CN201510625638 A CN 201510625638A CN 105206347 A CN105206347 A CN 105206347A
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Abstract
The invention discloses a fire-resistant and high-temperature-resistant communication cable. Conductors are formed by stranding multiple flexible copper wires plated with silver, and insulation layers are arranged outside the conductors in an extruding mode to form insulation wire cores. Every two insulation wire cores are stranded to form a paired stranded group, two paired stranded groups are stranded to form a cable core, and a plastic thin film wraps the cable core to form a gird layer. The gird layer is wrapped by an aluminum strip in an overlapped mode to form an auxiliary shielding layer, a plurality of flexible copper wires plated with silver are knitted outside the auxiliary shielding layer to form a total shielding layer, and a sheath layer is arranged outside the total shielding layer in an extruding mode. The fire resistance test of the cable meets the requirement of the national standard GB/T 19216, and can also meet the requirement of the grade C, the grade W and the grade Z regulated in the British standard BS6387. In the test process, the cable is free of short circuits and open circuits.
Description
Technical field
The present invention relates to a kind of fire-resistant, fire resistant communication cable, belong to electric wire field.
Background technology
Along with developing rapidly of national economy, use amount and the laying dense degree of cable are more and more higher, increased year by year in recent years, and the fire wherein caused due to electric wire reason account for sizable ratio by the fire electrically caused.In a fire, " secondary disaster " that a large amount of smog etc. of the corrosivity discharged because cable plays fire spread and toxic gas, generation cause, cause the attention of people, therefore the requirement of relevant department to cable fire-proof, the characteristic such as fire-retardant is also more and more higher, not only require that cable line has high reliability, and require that it is to the fail safe of surrounding environment.GB50217-94 " Code for design of cables of electric works " is using the important measures adopting flame retardant cable, fire-resisting cable etc. as cable fire-proof, and clear stipulaties should select the fireproof cable of flame retardant cable or other type in some place.
In communications industry, can the light general electric wire that is applied to for being communicated with various communication apparatus, this proposes some special requirements to communication cable, as tension, fire-retardant etc.
Summary of the invention
It is strong and can resistant to elevated temperatures communication cable that the object of the invention is to provide a kind of fire resistance.
The solution of the present invention is as follows: a kind of fire-resistant, fire resistant communication cable, and conductor adopts many silver-plated soft copper skein silks to close, and the outer extruded insulation layer of conductor forms insulated wire cores; Every two insulated wire cores are twisted into pair twist group, and the stranded formation cable core of two pair twist groups, adopts the wrapped formation belting layer of plastic film outward at cable core; Described belting layer adopts the overlapping wrapped sub-shield of aluminium strip outward, and described sub-shield adopts many silver-plated soft copper silk braided overall-shielding layers outward, and described total screen is extruded with jacket layer;
Described insulating barrier according to the component of weight portion is: VPR vinyl ester polyester resin 40-60 part, ammonium polyphosphate 10-25 part, diethylene glycol 20-30 part, nano-silicon nitride 4-10 part, nano boron carbide 5-10 part, carbon nano-tube 5-8 part, zinc stearate 2-6, melamine 10-20 part, vinyltrimethoxy silane 2-8 part;
Described jacket layer according to the component of weight portion is: methyl phenyl vinyl silicone rubber 50-140 part, nanometer nitrogen-phosphorus expansion fire retardant 2-10 part, nm-class boron nitride 2-10 part, nano magnesia 2-10 part, nano mesoporous molecular screen 2-10 part, PZ 3-8 part, zinc oxide 1-3 part, dibutyl phthalate 0.5-1.5 part, 4,4-hexichol isopropyl diphenyl amine 1-3 parts.
Further, described described insulating barrier according to the component of weight portion is: VPR vinyl ester polyester resin 45 parts, ammonium polyphosphate 16 parts, diethylene glycol 22 parts, nano-silicon nitride 6 parts, nano boron carbide 8 parts, carbon nano-tube 6 parts, zinc stearate 3, melamine 12 parts, vinyltrimethoxy silane 5 parts.
Further, described jacket layer according to the component of weight portion is: methyl phenyl vinyl silicone rubber 100 parts, nanometer nitrogen-phosphorus expansion fire retardant 6 parts, nm-class boron nitride 5 parts, nano magnesia 6 parts, nano mesoporous molecular screen 8 parts, PZ 5 parts, 2 parts, zinc oxide, dibutyl phthalate 1.1 parts, 4,4-hexichol isopropyl diphenyl amine 3 parts.
Further, be filled with flame-retardant filler between described cable core and band, described flame-retardant filler according to the component of weight portion is: micron order kaolin 120-200 part, maleic anhydride grafted ethene-acetate copolymer 80-150 part, nano-silicon nitride 15-25 part, polyether modified silicon oil 50-100 part, white carbon 30-45 part, glass fibre 15-25 part, Firebrake ZB 2-6 part, silicon powder 20-50 part, magnesium chloride 2-6 part.
The fire resistance test of the cable of the present invention's design not only meets the requirement of GB GB/T19216, and apply 1000V voltage between the conductors, be the 3h that burns in the flame of 950-1000 DEG C in flame temperature, cable neither short circuit is not also opened a way.Also can meet the requirement of A level, B level and the C level specified in Britain BS6387 standard, meanwhile, in burning, also can tolerate Water spray (W level) impact (X level, Y level, Z level) with resistance to mechanical; In process of the test, cable neither short circuit is not also opened a way.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
A kind of fire-retardant instrument communication cable, conductor 1 closes with adopting many silver-plated soft copper skein silks, forms insulated wire cores at the outer extruded insulation layer 2 of conductor 1; Every two insulated wire cores are twisted into the stranded formation cable core 4 of pair twist group 3, two pair twist group 3, adopt tension rope to fill at cable core place 4, at the wrapped formation belting layer 5 of cable core 4 outer employing plastic film; Described belting layer 5 is outer adopts the overlapping wrapped sub-shield 6 of aluminium strip, and sub-shield 6 is outer adopts many silver-plated soft copper silk braided overall-shielding layers 7, and total screen is extruded with jacket layer 8.
embodiment 1
Insulating barrier according to the component of weight portion is: VPR vinyl ester polyester resin 45 parts, ammonium polyphosphate 16 parts, diethylene glycol 22 parts, nano-silicon nitride 6 parts, nano boron carbide 8 parts, carbon nano-tube 6 parts, zinc stearate 3, melamine 12 parts, vinyltrimethoxy silane 5 parts.
Jacket layer according to the component of weight portion is: methyl phenyl vinyl silicone rubber 100 parts, nanometer nitrogen-phosphorus expansion fire retardant 6 parts, nm-class boron nitride 5 parts, nano magnesia 6 parts, nano mesoporous molecular screen 8 parts, PZ 5 parts, 2 parts, zinc oxide, dibutyl phthalate 1.1 parts, 4,4-hexichol isopropyl diphenyl amine 3 parts.
Flame-retardant filler according to the component of weight portion is: micron order kaolin 160 parts, maleic anhydride grafted ethene-acetate copolymer 100 parts, nano-silicon nitride 20 parts, polyether modified silicon oil 80 parts, white carbon 35 parts, 20 parts, glass fibre, Firebrake ZB 4 parts, silicon powder 35 parts, 5 parts, magnesium chloride.
embodiment 2
Edge layer according to the component of weight portion is: VPR vinyl ester polyester resin 56 parts, ammonium polyphosphate 21 parts, diethylene glycol 22 parts, nano-silicon nitride 8 parts, nano boron carbide 8 parts, carbon nano-tube 6 parts, zinc stearate 5 parts, melamine 16 parts, vinyltrimethoxy silane 6 parts;
Jacket layer according to the component of weight portion is: methyl phenyl vinyl silicone rubber 110 parts, nanometer nitrogen-phosphorus expansion fire retardant 5 parts, nm-class boron nitride 8 parts, nano magnesia 6 parts, nano mesoporous molecular screen 6 parts, PZ 4 parts, 3 parts, zinc oxide, dibutyl phthalate 1.3 parts, 4,4-hexichol isopropyl diphenyl amine 2 parts.
Flame-retardant filler according to the component of weight portion is: micron order kaolin 165 parts, maleic anhydride grafted ethene-acetate copolymer 110 parts, nano-silicon nitride 18 parts, polyether modified silicon oil 85 parts, white carbon 35 parts, 16 parts, glass fibre, Firebrake ZB 3 parts, silicon powder 26 parts, 4 parts, magnesium chloride.
embodiment 3
Edge layer according to the component of weight portion is: VPR vinyl ester polyester resin 55 parts, ammonium polyphosphate 13 parts, diethylene glycol 26 parts, nano-silicon nitride 8 parts, nano boron carbide 6 parts, carbon nano-tube 6 parts, zinc stearate 3 parts, melamine 10 parts, vinyltrimethoxy silane 4 parts;
Jacket layer according to the component of weight portion is: methyl phenyl vinyl silicone rubber 120 parts, nanometer nitrogen-phosphorus expansion fire retardant 5 parts, nm-class boron nitride 6 parts, nano magnesia 2 parts, nano mesoporous molecular screen 3 parts, PZ 4 parts, 1 part, zinc oxide, dibutyl phthalate 0.8 part, 4,4-hexichol isopropyl diphenyl amine 1.5 parts.
Flame-retardant filler according to the component of weight portion is: micron order kaolin 180 parts, maleic anhydride grafted ethene-acetate copolymer 96 parts, nano-silicon nitride 18 parts, polyether modified silicon oil 65 parts, white carbon 35 parts, 18 parts, glass fibre, Firebrake ZB 6 parts, silicon powder 33 parts, 4 parts, magnesium chloride.
Fire prevention experiment:
The examining report cable of above-described embodiment 1,2,3 preparation being carried out to special experiment is taken passages as follows:
2. pair this product carry out type approval test examining report take passages as follows:
Visible, the fire resistance test of the high cable of the present invention's design not only meets the requirement of GB GB/T19216, and apply 1000V voltage between the conductors, be the 3h that burns in the flame of 950-1000 DEG C in flame temperature, cable neither short circuit is not also opened a way.Also can meet the requirement of A level, B level and the C level specified in Britain BS6387 standard, meanwhile, in burning, also can tolerate Water spray (W level) impact (X level, Y level, Z level) with resistance to mechanical; In process of the test, cable neither short circuit is not also opened a way.
Although give detailed description and explanation to the specific embodiment of the present invention above; but what should indicate is; we can carry out various equivalence according to conception of the present invention to above-mentioned execution mode and change and amendment; its function produced do not exceed that specification contains yet spiritual time, all should within protection scope of the present invention.
Claims (4)
1. fire-resistant a, fire resistant communication cable, conductor adopts many silver-plated soft copper skein silks to close, and the outer extruded insulation layer of conductor forms insulated wire cores; Every two insulated wire cores are twisted into pair twist group, and the stranded formation cable core of two pair twist groups, adopts the wrapped formation belting layer of plastic film outward at cable core; Described belting layer adopts the overlapping wrapped sub-shield of aluminium strip outward, and described sub-shield adopts many silver-plated soft copper silk braided overall-shielding layers outward, and described total screen is extruded with jacket layer; It is characterized in that,
Described insulating barrier according to the component of weight portion is: VPR vinyl ester polyester resin 40-60 part, ammonium polyphosphate 10-25 part, diethylene glycol 20-30 part, nano-silicon nitride 4-10 part, nano boron carbide 5-10 part, carbon nano-tube 5-8 part, zinc stearate 2-6 part, melamine 10-20 part, vinyltrimethoxy silane 2-8 part;
Described jacket layer according to the component of weight portion is: methyl phenyl vinyl silicone rubber 50-140 part, nanometer nitrogen-phosphorus expansion fire retardant 2-10 part, nm-class boron nitride 2-10 part, nano magnesia 2-10 part, nano mesoporous molecular screen 2-10 part, PZ 3-8 part, zinc oxide 1-3 part, dibutyl phthalate 0.5-1.5 part, 4,4-hexichol isopropyl diphenyl amine 1-3 parts.
2. fire-resistant, the fire resistant communication cable of one according to claim 1, it is characterized in that, described described insulating barrier according to the component of weight portion is: VPR vinyl ester polyester resin 45 parts, ammonium polyphosphate 16 parts, diethylene glycol 22 parts, nano-silicon nitride 6 parts, nano boron carbide 8 parts, carbon nano-tube 6 parts, zinc stearate 3, melamine 12 parts, vinyltrimethoxy silane 5 parts.
3. fire-resistant, the fire resistant communication cable of one according to claim 1, it is characterized in that, described jacket layer according to the component of weight portion is: methyl phenyl vinyl silicone rubber 100 parts, nanometer nitrogen-phosphorus expansion fire retardant 6 parts, nm-class boron nitride 5 parts, nano magnesia 6 parts, nano mesoporous molecular screen 8 parts, PZ 5 parts, 2 parts, zinc oxide, dibutyl phthalate 1.1 parts, 4,4-hexichol isopropyl diphenyl amine 3 parts.
4., fire resistant communication cable fire-resistant according to the one one of claim 1-3 Suo Shu, it is characterized in that, be filled with flame-retardant filler between described cable core and band, described flame-retardant filler according to the component of weight portion is: micron order kaolin 120-200 part, maleic anhydride grafted ethene-acetate copolymer 80-150 part, nano-silicon nitride 15-25 part, polyether modified silicon oil 50-100 part, white carbon 30-45 part, glass fibre 15-25 part, Firebrake ZB 2-6 part, silicon powder 20-50 part, magnesium chloride 2-6 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510625638.9A CN105206347A (en) | 2015-09-28 | 2015-09-28 | Fire-resistant and high-temperature-resistant communication cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510625638.9A CN105206347A (en) | 2015-09-28 | 2015-09-28 | Fire-resistant and high-temperature-resistant communication cable |
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| CN105206347A true CN105206347A (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510625638.9A Pending CN105206347A (en) | 2015-09-28 | 2015-09-28 | Fire-resistant and high-temperature-resistant communication cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057283A (en) * | 2016-06-17 | 2016-10-26 | 张秀丽 | Flexible mineral power cable |
| CN108164752A (en) * | 2018-01-26 | 2018-06-15 | 刘成旭 | The PVC cable material fire retardant prepared based on nano combined intercalation technique |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226016A (en) * | 2011-05-11 | 2011-10-26 | 沈阳化工大学 | Nano-mesoporous molecular sieve synergistic intumescent flame-retardant rubber and preparation method thereof |
| CN202662352U (en) * | 2012-05-18 | 2013-01-09 | 安徽猎塔电缆集团有限公司 | Flame-retardant instrument communication cable |
| US20140235767A1 (en) * | 2011-09-30 | 2014-08-21 | Adeka Corporation | Flame-retardant resin composition and electric wire using same |
| CN104910630A (en) * | 2015-07-06 | 2015-09-16 | 刘雷 | Fire retardant containing flame retardant synergistic combinations and preparation method thereof |
-
2015
- 2015-09-28 CN CN201510625638.9A patent/CN105206347A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226016A (en) * | 2011-05-11 | 2011-10-26 | 沈阳化工大学 | Nano-mesoporous molecular sieve synergistic intumescent flame-retardant rubber and preparation method thereof |
| US20140235767A1 (en) * | 2011-09-30 | 2014-08-21 | Adeka Corporation | Flame-retardant resin composition and electric wire using same |
| CN202662352U (en) * | 2012-05-18 | 2013-01-09 | 安徽猎塔电缆集团有限公司 | Flame-retardant instrument communication cable |
| CN104910630A (en) * | 2015-07-06 | 2015-09-16 | 刘雷 | Fire retardant containing flame retardant synergistic combinations and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057283A (en) * | 2016-06-17 | 2016-10-26 | 张秀丽 | Flexible mineral power cable |
| CN108164752A (en) * | 2018-01-26 | 2018-06-15 | 刘成旭 | The PVC cable material fire retardant prepared based on nano combined intercalation technique |
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Application publication date: 20151230 |