CN104008811A - Intrinsic safety type power cable with Y-shaped rubber framework - Google Patents
Intrinsic safety type power cable with Y-shaped rubber framework Download PDFInfo
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- CN104008811A CN104008811A CN201410175160.XA CN201410175160A CN104008811A CN 104008811 A CN104008811 A CN 104008811A CN 201410175160 A CN201410175160 A CN 201410175160A CN 104008811 A CN104008811 A CN 104008811A
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Abstract
The invention discloses an intrinsic safety type power cable with a Y-shaped rubber framework. The intrinsic safety type power cable comprises a cable conductor. The cable conductor comprises the Y-shaped rubber framework of a hollow structure, a plurality of small holes are evenly formed in the Y-shaped rubber framework, a bypass wire is arranged in the center of the Y-shaped rubber framework, three gaps of the Y-shaped rubber framework are respectively provided with a cable core, each cable core comprises a conductor wrapped with a polyethylene insulating layer, an aluminum plastic composite belt longitudinally wraps the three conductors after the three conductors are twisted, and the cable conductor is sequentially wrapped by a double-layer mica layer, a copper wire braiding shielding layer and a sheath layer. The Y-shaped rubber framework of the hollow structure is adopted, and the small holes are evenly formed in the Y-shaped rubber framework, so that the bypass wire drains out currents of any electric leakage cable core, use security of the cable is guaranteed, and fastness and stability of the cable are improved.
Description
Technical field
The present invention relates generally to field of cables, relates in particular to a kind of intrinsic safety type power cable with Y shape rubber skeleton.
Background technology
The environment that power cable is used is now more and more diversified, high temperature, low temperature, harsh climate, rugged environment etc. have all proposed various difficult problems to the use of normal cable, and cable of the present invention is for the safety in utilization of cable and environment that the fastness of cable is had relatively high expectations are used and proposed.
Traditional the coat layer of power cable exists poor heat resistance, the poor shortcoming of impact resistance, causes at high temperature easily softening, and under high impact forces, easily ftractures, and affects the useful life of cable.
Summary of the invention
The object of the invention is exactly in order to make up the defect of prior art, and a kind of intrinsic safety type power cable with Y shape rubber skeleton is provided.The coat layer of power cable thermal endurance of the present invention and good impact resistance, the useful life of prolongation cable.
The present invention is achieved by the following technical solutions:
A kind of intrinsic safety type power cable with Y shape rubber skeleton, include cable core, it is characterized in that: cable core includes the Y shape rubber skeleton of hollow structure, on Y shape rubber skeleton, evenly offer some apertures, the center of Y shape rubber skeleton is provided with drainage thread, in three spaces of Y shape rubber skeleton, be respectively equipped with single line core, core includes three conductors that are enclosed with polyethylene layer, three vertical alclad plastic composite strips in the stranded rear outside of conductor; Cable core outside is enclosed with double-deck mica layer, proof copper-wire braided screen, restrictive coating successively.
Restrictive coating material is made by the raw material of following weight portion: SEBS40-60, PA620-30, HIPS15-25, SEBS-g-MAH10-15, C5 Petropols 5-10, white oil 4-6, zinc stearate 1-2, magnesium oxide 2-3, antioxidant 1010 0.5-1, precipitated calcium carbonate 10-15, sial carbon black 15-20, colliery powder 5-10, chlorinated paraffin wax 3-5, dibasic lead stearate 1-2, aluminium hydroxide 12-18, borax 10-15, di-2-ethylhexyl maleate 8-12, modified mineral filler 15-20, antioxidant 1076 1-2,
The preparation method of described modified mineral filler is as follows: a, take wollastonite, kaolin, pyrophillite, bauxite mix by weight 5-10:3-6:2-4:1, pulverize, cross 200-300 mesh sieve, 650-750 ℃ of calcining 20-30min, naturally cools to room temperature, b, the complex mineral filler of above-mentioned calcination processing is added to water making beating and make the suspension that concentration is 35-45%, the hydrochloric acid solution that is 15-20% by concentration regulates PH to 4-5, heating water bath is to 70-80 ℃, 1500-2000rpm speed lapping 10-15min, then with the sodium hydroxide solution that concentration is 10-15%, be neutralized to neutrality, standing 20-30min, filter, distilled water washing 2-3 time for filter residue, after oven dry, add in mixer, under 500-1000rpm high-speed stirred, get the methoxy poly (ethylene glycol) monomethacrylates that is equivalent to complex mineral filler weight 3-5%, the Di(dioctylpyrophosphato) ethylene titanate of 0.5-1%, after mixing, the poly of 2-4% slowly adds in complex mineral filler with vaporific or droplet form, at 40-60 ℃ of temperature, stir 10-20min, dry, c, get and be equivalent to the TPUE of complex mineral filler weight 30-40%, the trifluoro propyl methyl-silicone oil of the ethylene propylene diene rubber of the ethylene-vinyl acetate copolymer of 15-20%, 10-15%, 3-5% carries out melt blending, the complex mineral filler that the zinc pyrophosphate of 1-2% and step b process 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, comprises the following steps:
(1) SEBS, PA6, HIPS, SEBS-g-MAH are dropped in kneader and mixed, then add di-2-ethylhexyl maleate, chlorinated paraffin wax to stir a moment, after plasticizer is by basic absorption, add zinc stearate, magnesium oxide, dibasic lead stearate, by frictional heat, make material temperature be raised to 60-70 ℃, then add remaining raw material, when material temperature rises to 80-90 ℃, material is discharged in cooling mixing machine and is lowered the temperature, discharging to below 40-50 ℃ time;
(2) above-mentioned kneaded raw material is dropped into extruding pelletization in double screw extruder, screw speed 50-100r/min, processing temperature is 160-190 ℃;
(3) pack after metering.
Advantage of the present invention is:
The present invention has adopted the Y shape rubber skeleton of hollow structure, on Y shape rubber skeleton, evenly offer some apertures, drainage thread can be gone out the electric current drainage of any electric leakage core, both guaranteed the safety in utilization of cable, increased again fastness, the stability of cable.
Restrictive coating material of the present invention has excellent thermal endurance and impact resistance, and its vicat softening point temperature is 150 ℃, and impact strength is 25-30KJ/m
2, and there is the performances such as good electrical insulating property, flexibility, toughness, plasticity, weatherability, chemicals-resistant,
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of intrinsic safety type power cable with Y shape rubber skeleton, include cable core, cable core includes the Y shape rubber skeleton 1 of hollow structure, on Y shape rubber skeleton 1, evenly offer some apertures 2, the center of Y shape rubber skeleton is provided with drainage thread 3, in three spaces of Y shape rubber skeleton 1, is respectively equipped with single line core, core includes three vertical alclad plastic composite strips 6 in the stranded rear outside of 4, three conductors 4 of conductor that are enclosed with polyethylene layer 5; Cable core outside is enclosed with double-deck mica layer 7, proof copper-wire braided screen 8, restrictive coating 9 successively.
Restrictive coating 9 materials are made by the raw material of following weight portion: SEBS50, PA630, HIPS20, SEBS-g-MAH10, C5 Petropols 8, white oil 5, zinc stearate 1.5, magnesium oxide 2, antioxidant 1010 0.8, precipitated calcium carbonate 12, sial carbon black 18, colliery powder 7, chlorinated paraffin wax 4, dibasic lead stearate 1.5, aluminium hydroxide 16, borax 12, di-2-ethylhexyl maleate 10, modified mineral filler 18, antioxidant 1076 1;
The preparation method of described modified mineral filler is as follows: a, take wollastonite, kaolin, pyrophillite, bauxite mix by weight 6:3:2:1, pulverize, cross 200 mesh sieves, 650 ℃ of calcining 30min, naturally cool to room temperature, b, the complex mineral filler of above-mentioned calcination processing is added to water making beating, and to make concentration be 45% suspension, the hydrochloric acid solution that is 15% by concentration regulates PH to 5, heating water bath to 80 ℃, 2000rpm speed lapping 10min, then with the sodium hydroxide solution that concentration is 15%, be neutralized to neutrality, standing 30min, filter, distilled water washing 2 times for filter residue, after oven dry, add in mixer, under 500rpm high-speed stirred, get the methoxy poly (ethylene glycol) monomethacrylates that is equivalent to complex mineral filler weight 3%, 0.5% Di(dioctylpyrophosphato) ethylene titanate, after mixing, 2% poly slowly adds in complex mineral filler with vaporific or droplet form, at 50 ℃ of temperature, stir 15min, dry, c, get be equivalent to TPUE, 15% ethylene-vinyl acetate copolymer, 10% ethylene propylene diene rubber, 4% the trifluoro propyl methyl-silicone oil of complex mineral filler weight 35%, complex mineral filler that 1.5% zinc pyrophosphate is processed with step b 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 9 materials, comprises the following steps:
(1) SEBS, PA6, HIPS, SEBS-g-MAH are dropped in kneader and mixed, then add di-2-ethylhexyl maleate, chlorinated paraffin wax to stir a moment, after plasticizer is by basic absorption, add zinc stearate, magnesium oxide, dibasic lead stearate, by frictional heat, make material temperature be raised to 60-70 ℃, then add remaining raw material, when material temperature rises to 80-90 ℃, material is discharged in cooling mixing machine and is lowered the temperature, discharging to below 40-50 ℃ time;
(2) above-mentioned kneaded raw material is dropped into extruding pelletization in double screw extruder, screw speed 50-100r/min, processing temperature is 160-190 ℃;
(3) pack after metering.
The results of property of the CABLE MATERIALS making after testing, is as following table:
Claims (3)
1. the intrinsic safety type power cable with Y shape rubber skeleton, include cable core, it is characterized in that: cable core includes the Y shape rubber skeleton of hollow structure, on Y shape rubber skeleton, evenly offer some apertures, the center of Y shape rubber skeleton is provided with drainage thread, in three spaces of Y shape rubber skeleton, be respectively equipped with single line core, core includes three conductors that are enclosed with polyethylene layer, three vertical alclad plastic composite strips in the stranded rear outside of conductor; Cable core outside is enclosed with double-deck mica layer, proof copper-wire braided screen, restrictive coating successively.
2. the intrinsic safety type power cable with Y shape rubber skeleton according to claim 1, it is characterized in that: described restrictive coating material is made by the raw material of following weight portion: SEBS 40-60, PA6 20-30, HIPS 15-25, SEBS-g-MAH 10-15, C5 Petropols 5-10, white oil 4-6, zinc stearate 1-2, magnesium oxide 2-3, antioxidant 1010 0.5-1, precipitated calcium carbonate 10-15, sial carbon black 15-20, colliery powder 5-10, chlorinated paraffin wax 3-5, dibasic lead stearate 1-2, aluminium hydroxide 12-18, borax 10-15, di-2-ethylhexyl maleate 8-12, modified mineral filler 15-20, antioxidant 1076 1-2,
The preparation method of described modified mineral filler is as follows: a, take wollastonite, kaolin, pyrophillite, bauxite mix by weight 5-10:3-6:2-4:1, pulverize, cross 200-300 mesh sieve, 650-750 ℃ of calcining 20-30min, naturally cools to room temperature, b, the complex mineral filler of above-mentioned calcination processing is added to water making beating and make the suspension that concentration is 35-45%, the hydrochloric acid solution that is 15-20% by concentration regulates PH to 4-5, heating water bath is to 70-80 ℃, 1500-2000rpm speed lapping 10-15min, then with the sodium hydroxide solution that concentration is 10-15%, be neutralized to neutrality, standing 20-30min, filter, distilled water washing 2-3 time for filter residue, after oven dry, add in mixer, under 500-1000rpm high-speed stirred, get the methoxy poly (ethylene glycol) monomethacrylates that is equivalent to complex mineral filler weight 3-5%, the Di(dioctylpyrophosphato) ethylene titanate of 0.5-1%, after mixing, the poly of 2-4% slowly adds in complex mineral filler with vaporific or droplet form, at 40-60 ℃ of temperature, stir 10-20min, dry, c, get and be equivalent to the TPUE of complex mineral filler weight 30-40%, the trifluoro propyl methyl-silicone oil of the ethylene propylene diene rubber of the ethylene-vinyl acetate copolymer of 15-20%, 10-15%, 3-5% carries out melt blending, the complex mineral filler that the zinc pyrophosphate of 1-2% and step b process together drops into double screw extruder after mixing, then extruding pelletization, naturally cool to room temperature, be modification complex mineral filler.
3. the intrinsic safety type power cable with Y shape rubber skeleton according to claim 1, is characterized in that: the preparation method of described restrictive coating material, comprises the following steps:
(1) SEBS, PA6, HIPS, SEBS-g-MAH are dropped in kneader and mixed, then add di-2-ethylhexyl maleate, chlorinated paraffin wax to stir a moment, after plasticizer is by basic absorption, add zinc stearate, magnesium oxide, dibasic lead stearate, by frictional heat, make material temperature be raised to 60-70 ℃, then add remaining raw material, when material temperature rises to 80-90 ℃, material is discharged in cooling mixing machine and is lowered the temperature, discharging to below 40-50 ℃ time;
(2) above-mentioned kneaded raw material is dropped into extruding pelletization in double screw extruder, screw speed 50-100r/min, processing temperature is 180-220 ℃;
(3) pack after metering.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410175160.XA CN104008811A (en) | 2014-04-26 | 2014-04-26 | Intrinsic safety type power cable with Y-shaped rubber framework |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410175160.XA CN104008811A (en) | 2014-04-26 | 2014-04-26 | Intrinsic safety type power cable with Y-shaped rubber framework |
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| CN104008811A true CN104008811A (en) | 2014-08-27 |
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| CN201410175160.XA Pending CN104008811A (en) | 2014-04-26 | 2014-04-26 | Intrinsic safety type power cable with Y-shaped rubber framework |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448417A (en) * | 2015-12-08 | 2016-03-30 | 无锡裕德电缆科技有限公司 | Direct-current traction multi-core power cable up to 1500V for rail transit |
| CN113936865A (en) * | 2021-09-06 | 2022-01-14 | 汇铂斯电子技术(苏州)有限公司 | Production process of high-temperature-resistant cold-resistant photovoltaic wire harness |
Citations (6)
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|---|---|---|---|---|
| CN202196932U (en) * | 2011-08-18 | 2012-04-18 | 美菩生国际有限公司 | Cable configuration structure |
| CN102501506A (en) * | 2011-10-20 | 2012-06-20 | 北京欧尼克环保技术有限公司 | PVC (Poly Vinyl Chloride) wood-plastic foaming composite and preparation method thereof |
| CN202584898U (en) * | 2012-03-30 | 2012-12-05 | 安徽蒙特尔电缆集团有限公司 | Pressure-resisting power cable for inverter |
| CN202711777U (en) * | 2012-06-05 | 2013-01-30 | 安徽华联电缆集团有限公司 | General rubber sheathed cable |
| CN103059608A (en) * | 2012-12-25 | 2013-04-24 | 河北工业大学 | Secondary coupled modified mineral powder filling material and preparation process thereof |
| CN203325494U (en) * | 2013-05-20 | 2013-12-04 | 江苏亨通线缆科技有限公司 | Anti-interference type eight wire pair high speed data cable structure |
-
2014
- 2014-04-26 CN CN201410175160.XA patent/CN104008811A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202196932U (en) * | 2011-08-18 | 2012-04-18 | 美菩生国际有限公司 | Cable configuration structure |
| CN102501506A (en) * | 2011-10-20 | 2012-06-20 | 北京欧尼克环保技术有限公司 | PVC (Poly Vinyl Chloride) wood-plastic foaming composite and preparation method thereof |
| CN202584898U (en) * | 2012-03-30 | 2012-12-05 | 安徽蒙特尔电缆集团有限公司 | Pressure-resisting power cable for inverter |
| CN202711777U (en) * | 2012-06-05 | 2013-01-30 | 安徽华联电缆集团有限公司 | General rubber sheathed cable |
| CN103059608A (en) * | 2012-12-25 | 2013-04-24 | 河北工业大学 | Secondary coupled modified mineral powder filling material and preparation process thereof |
| CN203325494U (en) * | 2013-05-20 | 2013-12-04 | 江苏亨通线缆科技有限公司 | Anti-interference type eight wire pair high speed data cable structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448417A (en) * | 2015-12-08 | 2016-03-30 | 无锡裕德电缆科技有限公司 | Direct-current traction multi-core power cable up to 1500V for rail transit |
| CN113936865A (en) * | 2021-09-06 | 2022-01-14 | 汇铂斯电子技术(苏州)有限公司 | Production process of high-temperature-resistant cold-resistant photovoltaic wire harness |
| CN113936865B (en) * | 2021-09-06 | 2023-11-03 | 汇铂斯电子技术(苏州)有限公司 | Production process of high-temperature-resistant cold-resistant photovoltaic wire harness |
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Application publication date: 20140827 |
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