CN104008799A - Fireproof computer cable supported by framework - Google Patents

Fireproof computer cable supported by framework Download PDF

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Publication number
CN104008799A
CN104008799A CN201410163980.7A CN201410163980A CN104008799A CN 104008799 A CN104008799 A CN 104008799A CN 201410163980 A CN201410163980 A CN 201410163980A CN 104008799 A CN104008799 A CN 104008799A
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CN
China
Prior art keywords
fireproof
temperature
conductors
mineral filler
taped covering
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Pending
Application number
CN201410163980.7A
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Chinese (zh)
Inventor
许义彬
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JING FENG GROUP
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JING FENG GROUP
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Publication date
Application filed by JING FENG GROUP filed Critical JING FENG GROUP
Priority to CN201410163980.7A priority Critical patent/CN104008799A/en
Publication of CN104008799A publication Critical patent/CN104008799A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a high-temperature-resistant fireproof computer cable. The high-temperature-resistant fireproof computer cable comprises two conductor sets, wherein each conductor set is formed by stranding two conductors wrapped by insulating layers into a bundle and then wrapping an inner fireproof taped covering outside the bundle in a winding mode, fireproof layers are further arranged among the insulating layers and the conductors, high-temperature-resistant fibers fill the gap between the inner fireproof taped covering and the insulating layers of the conductors to form an inner filler layer, the two conductor sets wrapped by the inner fireproof taped covering are then stranded into a bundle to form a cable core, an outer fireproof taped covering is wrapped outside the cable core in a winding mode, and high-temperature-resistant magnesium oxide ceramic powder is arranged between the outer fireproof taped covering and the inner fireproof taped covering to form an outer filler layer, and a shielding layer and a sheath layer are sequentially arranged outside the outer fireproof taped covering. The inner filler layer is arranged in the conductor sets, the outer filler layer is arranged between the outer fireproof taped covering and the inner fireproof taped covering, meanwhile, the insulating layers and the sheath layer are made of high-temperature-resistant fluoroplastics, and therefore information transmission is reliably guaranteed while the cable works in a high-temperature environment for a long time.

Description

There is the fire prevention computer cable that skeleton supports
technical field:
The present invention relates to cable, is mainly a kind of fire prevention computer cable that skeleton supports that has.
background technology:
All trades and professions have different requirements to the performance of the cable using, the cable using as chemical industry, and it requires, and cable is acidproof, oil resistant, corrosion resistance.And for computer cable, require it to there is stronger fire resistance, one requires cable to have certain crushing resistance when guaranteeing fire resistance, reduces the impact of external environment on cable.
Electric wire and cable jacket material is except having good physical and mechanical properties and electrical insulation capability, also needs to have good oil resistance, resistance to wear, the performance such as ageing-resistant, prior art Shortcomings.
summary of the invention:
Technical problem to be solved by this invention is to provide a kind of fire prevention computer cable that skeleton supports that has, and it has stronger shielding and fire resistance, and cable inside has additional skeleton support simultaneously, has improved the crushing resistance of cable, increases the service life.Cable jacket material of the present invention has good physical and mechanical properties and electrical insulation capability, also needs to have good oil resistance, resistance to wear, the performance such as ageing-resistant.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Have the fire prevention computer cable that skeleton supports, include how many conductors, it is characterized in that: described a plurality of conductors are coated with respectively aluminium foil lapping layer outward, the aluminium foil lapping layer of described a plurality of conductors is coated with outward jointly insulating barrierin described insulating barrier, be provided with two I shape skeletons that are criss-cross construction, the I shape skeleton of two intersections is separated a plurality of conductors to hold, in described insulating barrier, be filled with mica tape, described a plurality of conductors are embedded in mica tape, and described insulating barrier is coated with ceramic silicon rubber flame retardant coating, copper strip shielding layer and restrictive coating outward successively.
The described fire prevention computer cable with skeleton support, restrictive coating material described in it is characterized in that is made by the raw material of following weight portion: acrylonitrile-butadiene rubber 45-65, methyl ethylene trifluoro propyl silicon rubber 30-40, polypropylene 15-25, vinyltriethoxysilane 1.5-2.5, di-t-butyl peroxide 2-3, iso-cyanuric acid triallyl ester 1-2, magnesium carbonate 3-6, antimonous oxide 10-15, chlorinated paraffin wax 4-8, calcium stearate 1-2, age resistor OD 0.5-1.5, anti-aging agent RD 1-2, carbon black N330 15-20, whiting 10-15, titanium dioxide 5-10, modified mineral filler 20-25,
The preparation method of described modification complex mineral filler is as follows: (1) in mass ratio 4-8:3-5:2-3:1 takes barite, olivine, attapulgite, illite and mixes, pulverize, cross 50-100 mesh sieve, then at 820-880 ℃ of temperature lower calcination 20-30min, continue to be warming up to 1050-1150 ℃, calcining 2-3h, shrend, dries; (2) get and be equivalent to 4 of absolute ethyl alcohol doubly of complex mineral filler weight 2-3,40-50%, the glyoxal ethyline of 4'-MDA epoxy resin, 2-4% mixes with the compounded mix that step (2) is processed, heating water bath is to 120-140 ℃, 500-1000rpm high-speed stirred 0.5-1h, filter, dry; (3) get be equivalent to the chlorohydrin rubber of complex mineral filler weight 25-35%, the ethylene-tetrafluoroethylene copolymer of the chlorosulfonated polyethylene of 20-30%, 15-25%, the zinc oxide of the octyl epoxy stearate of 5-10%, 2-4%, the castor oil of the stearic acid of 1-2%, 4-8% carries out melt blending, the complex mineral filler that the accelerant CZ of 1-2% and step (2) are processed together drops into double screw extruder after mixing, then extruding pelletization, naturally cool to room temperature, be modification complex mineral filler.
The preparation method of restrictive coating material of the present invention, comprise the following steps: take in methyl ethylene trifluoro propyl silicon rubber, polypropylene, vinyltriethoxysilane, magnesium carbonate, whiting, age resistor OD, the mill of anti-aging agent RD input, in roller temperature, be mixing 8-12min at 50-60 ℃ of temperature, then dancer rools temperature is to 75-85 ℃, add the mixing 5-10min of all the other raw materials, park 6-12h, discharging.
In the present invention, cable conductor has aluminium foil lapping layer outward, and its function of shielding is good, and conductor is embedded in mica tape. and mica tape can resistance to long burning, even if apply the high polymer at flame place, is burnt, and also can guarantee that circuit normally moves.
Advantage of the present invention is:
The present invention has stronger shielding and fire resistance, and cable inside has additional skeleton support simultaneously, has improved the crushing resistance of cable, extends and uses the longevity.Cable jacket material of the present invention not only has good physical and mechanical properties, electrical insulating property and fire resistance, also has good wear-resisting, oil resistant, resistance to ozone, the performance such as heat-resisting, ageing-resistant.
 
accompanying drawing explanation:
Fig. 1 is structural representation of the present invention.
embodiment:
Referring to Fig. 1, a kind of have a fire prevention computer cable that skeleton supports, and includes how many conductors 1, the outer aluminium foil lapping layer 2 that is coated with respectively of described a plurality of conductors 1, and the aluminium foil lapping layer 2 of described a plurality of conductors is outer to be coated with jointly insulating barrier3, in described insulating barrier 3, be provided with two I shape skeletons 4 that are criss-cross construction, the I shape skeleton 4 of two intersections is separated a plurality of conductors 1 to hold, in described insulating barrier 3, be filled with mica tape 5, described a plurality of conductors 1 are embedded in mica tape 5, outer ceramic silicon rubber flame retardant coating 6, copper strip shielding layer 7 and the restrictive coating 8 of being coated with successively of described insulating barrier 3.
Restrictive coating 8 materials are made by the raw material of following weight portion: acrylonitrile-butadiene rubber 55, methyl ethylene trifluoro propyl silicon rubber 30, polypropylene 15, vinyltriethoxysilane 2, di-t-butyl peroxide 2.5, iso-cyanuric acid triallyl ester 1.5, magnesium carbonate 4, antimonous oxide 12, chlorinated paraffin wax 6, calcium stearate 1, age resistor OD 1, anti-aging agent RD 1.5, carbon black N330 18, whiting 12, titanium dioxide 8, modified mineral filler 22;
The preparation method of described modification complex mineral filler is as follows: (1) in mass ratio 5:4:3:1 takes barite, olivine, attapulgite, illite and mixes, pulverize, cross 100 mesh sieves, then at 820 ℃ of temperature lower calcination 30min, continue to be warming up to 1050 ℃, calcining 3h, shrend, dries; (2) get be equivalent to 2 times of complex mineral filler weight absolute ethyl alcohol, 40% 4,4'-MDA epoxy resin, 2% glyoxal ethyline mix with the compounded mix that step (2) is processed, heating water bath to 140 ℃, 1000rpm high-speed stirred 0.5h, filter, dry; (3) get be equivalent to chlorohydrin rubber, 20% chlorosulfonated polyethylene, 15% ethylene-tetrafluoroethylene copolymer, 7% octyl epoxy stearate, 3% zinc oxide, 1.5% stearic acid, 6% the castor oil of complex mineral filler weight 25%, complex mineral filler that 1.5% accelerant CZ is processed with step (2) together drops into double screw extruder after mixing and carries out melt blending, then extruding pelletization, naturally cool to room temperature, be modification complex mineral filler.
The preparation method of restrictive coating 8 materials, comprise the following steps: take in methyl ethylene trifluoro propyl silicon rubber, polypropylene, vinyltriethoxysilane, magnesium carbonate, whiting, age resistor OD, the mill of anti-aging agent RD input, in roller temperature, be mixing 8-12min at 50-60 ℃ of temperature, then dancer rools temperature is to 75-85 ℃, add the mixing 5-10min of all the other raw materials, park 6-12h, discharging.
The results of property of the restrictive coating 8 making after testing, is as following table:

Claims (3)

1. have the fire prevention computer cable that skeleton supports, include how many conductors, it is characterized in that: described a plurality of conductors are coated with respectively aluminium foil lapping layer outward, the aluminium foil lapping layer of described a plurality of conductors is coated with outward jointly insulating barrierin described insulating barrier, be provided with two I shape skeletons that are criss-cross construction, the I shape skeleton of two intersections is separated a plurality of conductors to hold, in described insulating barrier, be filled with mica tape, described a plurality of conductors are embedded in mica tape, and described insulating barrier is coated with ceramic silicon rubber flame retardant coating, copper strip shielding layer and restrictive coating outward successively.
2. according to claim 1 have a fire prevention computer cable that skeleton supports, restrictive coating material described in it is characterized in that is made by the raw material of following weight portion: acrylonitrile-butadiene rubber 45-65, methyl ethylene trifluoro propyl silicon rubber 30-40, polypropylene 15-25, vinyltriethoxysilane 1.5-2.5, di-t-butyl peroxide 2-3, iso-cyanuric acid triallyl ester 1-2, magnesium carbonate 3-6, antimonous oxide 10-15, chlorinated paraffin wax 4-8, calcium stearate 1-2, age resistor OD 0.5-1.5, anti-aging agent RD 1-2, carbon black N330 15-20, whiting 10-15, titanium dioxide 5-10, modified mineral filler 20-25,
The preparation method of described modification complex mineral filler is as follows: (1) in mass ratio 4-8:3-5:2-3:1 takes barite, olivine, attapulgite, illite and mixes, pulverize, cross 50-100 mesh sieve, then at 820-880 ℃ of temperature lower calcination 20-30min, continue to be warming up to 1050-1150 ℃, calcining 2-3h, shrend, dries; (2) get and be equivalent to 4 of absolute ethyl alcohol doubly of complex mineral filler weight 2-3,40-50%, the glyoxal ethyline of 4'-MDA epoxy resin, 2-4% mixes with the compounded mix that step (2) is processed, heating water bath is to 120-140 ℃, 500-1000rpm high-speed stirred 0.5-1h, filter, dry; (3) get be equivalent to the chlorohydrin rubber of complex mineral filler weight 25-35%, the ethylene-tetrafluoroethylene copolymer of the chlorosulfonated polyethylene of 20-30%, 15-25%, the zinc oxide of the octyl epoxy stearate of 5-10%, 2-4%, the castor oil of the stearic acid of 1-2%, 4-8% carries out melt blending, the complex mineral filler that the accelerant CZ of 1-2% and step (2) are processed together drops into double screw extruder after mixing, then extruding pelletization, naturally cool to room temperature, be modification complex mineral filler.
3. according to claim 1 have a fire prevention computer cable that skeleton supports, the preparation method who it is characterized in that described restrictive coating material, comprise the following steps: take in methyl ethylene trifluoro propyl silicon rubber, polypropylene, vinyltriethoxysilane, magnesium carbonate, whiting, age resistor OD, the mill of anti-aging agent RD input, in roller temperature, be mixing 8-12min at 50-60 ℃ of temperature, then dancer rools temperature is to 75-85 ℃, add the mixing 5-10min of all the other raw materials, park 6-12h, discharging.
CN201410163980.7A 2014-04-23 2014-04-23 Fireproof computer cable supported by framework Pending CN104008799A (en)

Priority Applications (1)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104658656A (en) * 2015-02-09 2015-05-27 江苏亨通线缆科技有限公司 Wear-resistant outdoor data cable
CN107170519A (en) * 2016-04-22 2017-09-15 山东菲达电力电缆股份有限公司 Integration of three networks low-voltage optical composite cable
CN107316692A (en) * 2017-08-07 2017-11-03 安徽徽宁电器仪表集团有限公司 A kind of computer cable of tensile type
CN107492408A (en) * 2017-08-07 2017-12-19 安徽徽宁电器仪表集团有限公司 A kind of computer cable with matrix pattern skeleton
CN109065244A (en) * 2018-07-25 2018-12-21 安徽华上电缆科技有限公司 A kind of high temperature-resistant cable for electrical equipment control
CN109830336A (en) * 2019-03-29 2019-05-31 安徽徽宁电器仪表集团有限公司 A kind of waterproof fireproofing control cable

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6225565B1 (en) * 1999-06-07 2001-05-01 The Untied States Of America As Represented By The Secretary Of The Navy Flexible cable providing EMI shielding
CN202159526U (en) * 2011-07-18 2012-03-07 南京佰盛天狮网络科技有限公司 Category 6 cable
CN102693781A (en) * 2011-03-21 2012-09-26 上海亿舟电子科技有限公司 Fire-resistant coaxial cable
CN102820089A (en) * 2011-06-10 2012-12-12 江苏上上电缆集团有限公司 Medium voltage fire resisting cable
CN203386534U (en) * 2013-07-03 2014-01-08 宁波能士通信设备有限公司 Super-six unshielded data communication cable

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6225565B1 (en) * 1999-06-07 2001-05-01 The Untied States Of America As Represented By The Secretary Of The Navy Flexible cable providing EMI shielding
CN102693781A (en) * 2011-03-21 2012-09-26 上海亿舟电子科技有限公司 Fire-resistant coaxial cable
CN102820089A (en) * 2011-06-10 2012-12-12 江苏上上电缆集团有限公司 Medium voltage fire resisting cable
CN202159526U (en) * 2011-07-18 2012-03-07 南京佰盛天狮网络科技有限公司 Category 6 cable
CN203386534U (en) * 2013-07-03 2014-01-08 宁波能士通信设备有限公司 Super-six unshielded data communication cable

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104658656A (en) * 2015-02-09 2015-05-27 江苏亨通线缆科技有限公司 Wear-resistant outdoor data cable
CN107170519A (en) * 2016-04-22 2017-09-15 山东菲达电力电缆股份有限公司 Integration of three networks low-voltage optical composite cable
CN107170519B (en) * 2016-04-22 2018-12-25 山东菲达电力电缆股份有限公司 Integration of three networks low-voltage optical composite cable
CN107316692A (en) * 2017-08-07 2017-11-03 安徽徽宁电器仪表集团有限公司 A kind of computer cable of tensile type
CN107492408A (en) * 2017-08-07 2017-12-19 安徽徽宁电器仪表集团有限公司 A kind of computer cable with matrix pattern skeleton
CN107316692B (en) * 2017-08-07 2023-09-22 安徽徽宁电器仪表集团有限公司 Tensile computer cable
CN107492408B (en) * 2017-08-07 2023-09-26 安徽徽宁电器仪表集团有限公司 Computer cable with field style of calligraphy skeleton
CN109065244A (en) * 2018-07-25 2018-12-21 安徽华上电缆科技有限公司 A kind of high temperature-resistant cable for electrical equipment control
CN109065244B (en) * 2018-07-25 2024-01-12 安徽华上电缆科技有限公司 High-temperature-resistant cable for controlling electric appliance
CN109830336A (en) * 2019-03-29 2019-05-31 安徽徽宁电器仪表集团有限公司 A kind of waterproof fireproofing control cable
CN109830336B (en) * 2019-03-29 2020-08-04 安徽徽宁电器仪表集团有限公司 Waterproof and fireproof control cable

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Application publication date: 20140827

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