CN107045898A - Against weather flexible cable for communication power supply - Google Patents

Against weather flexible cable for communication power supply Download PDF

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Publication number
CN107045898A
CN107045898A CN201610714871.9A CN201610714871A CN107045898A CN 107045898 A CN107045898 A CN 107045898A CN 201610714871 A CN201610714871 A CN 201610714871A CN 107045898 A CN107045898 A CN 107045898A
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China
Prior art keywords
parts
conducting layer
stranded
aramid fiber
conductor
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Pending
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CN201610714871.9A
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Inventor
林磊
王国权
谭言秦
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Jiangsu Hengtong Wire and Cable Technology Co Ltd
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Jiangsu Hengtong Wire and Cable Technology Co Ltd
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Priority to CN201610714871.9A priority Critical patent/CN107045898A/en
Publication of CN107045898A publication Critical patent/CN107045898A/en
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    • H—ELECTRICITY
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    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
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    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08—Several wires or the like stranded in the form of a rope
    • H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
    • H01B5/102—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core
    • H01B5/105—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core composed of synthetic filaments, e.g. glass-fibres
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    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0208—Cables with several layers of insulating material
    • H01B7/0225—Three or more layers
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    • H01B7/0291—Disposition of insulation comprising two or more layers of insulation having different electrical properties
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    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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    • H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
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    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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    • H01B7/30—Insulated conductors or cables characterised by their form with arrangements for reducing conductor losses when carrying alternating current, e.g. due to skin effect
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Abstract

The present invention discloses a kind of against weather flexible cable for communication power supply, including circular aramid fiber core, this circular aramid fiber core outer surface is stranded some " Z " font conductors, and " Z " font conductor formation inner conducting layer described in some, this inner conducting layer outer surface is stranded some trapezoidal conductors, and some trapezoidal conductor formation outer conducting layers, one polyethylene insulation band is coated with polyvinyl chloride layer, thermoplastic urethane layers successively from inside to outside around the outer conducting layer outer surface, the polyethylene insulation band outer surface is wrapped in；" Z " the font conductor strand direction is that dextrad is stranded, and the trapezoidal conductor strand direction is that left-hand is stranded；The circular aramid fiber core is formed by some aramid fiber silks are stranded.Against weather flexible cable of the present invention improves against weather and fire resistance, while it also avoid because materials variances is larger, caused lamination.

Description

Against weather flexible cable for communication power supply
Technical field
The present invention relates to a kind of communication power supply cable, more particularly to a kind of against weather flexible cable for communication power supply.
Background technology
Communication flexible cable is not required nothing more than with good flexibility, so as in narrow space or similar in the case of side Just lay, and require that there is preferable anti-flammability, to adapt to the use requirement under the harsh occasion of fire-protection rating.It is not limited to Although the communication flexible cable that face is enumerated respectively has corresponding technique effect, there is following common shortcoming：First, due to being Using stranded thin copper wire as conductor, and this conductor is referred to as five class copper conductors by industry, thus softness can not expire Foot is desired to be required.And it is restricted bending radius due to pliability difference, thus in narrow space, by immovable When the occasion of object obstruction or even the place of talking in a roundabout way etc is laid, speed of application is easily influenceed；Second, due under technology prejudice Generally select the conductor as flexible cable with copper, thus do not only exist the blindness in terms of reasonable employment raw material, and cause soft The manufacturing cost of cable is big；Third, due to heavy weight, thus the cost not only in logistics transportation, storage link is high, and applying If during workmen's labor intensity it is big, consume cost of labor height；Third, requiring while improving insulating properties, weatherability Property and during many indexes such as fire resistance, it is difficult to take into account simultaneously, often lead to which part index and decline or difficult improve；Its Four, when requiring to improve many indexes such as insulating properties, against weather and fire resistance simultaneously, insulating properties, surface abrasion resistance And case hardness, it is also to be improved.How to solve above-mentioned technical problem turns into the direction that those skilled in the art make great efforts.
The content of the invention
The present invention provides a kind of against weather flexible cable for communication power supply, and the against weather that this is used for communication power supply is soft Cable reduces the space of mounting arrangement, reduces installation cost, it is easier to lay；And improve insulating properties, against weather And fire resistance, while it also avoid because materials variances is larger, caused lamination.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of soft electricity of against weather for communication power supply Cable, including circular aramid fiber core, this circular aramid fiber core outer surface is stranded some " Z " font conductors, and some " Z " the font conductor formation inner conducting layer, this inner conducting layer outer surface is stranded some trapezoidal conductors, and described in some Trapezoidal conductor formation outer conducting layer, a polyethylene insulation band is around being wrapped in the outer conducting layer outer surface, the polyethylene insulation band Outer surface is coated with polyvinyl chloride layer, thermoplastic urethane layers successively from inside to outside；" Z " the font conductor strand direction is the right side To stranded, the trapezoidal conductor strand direction is that left-hand is stranded；The circular aramid fiber core is twisted by some aramid fiber silks Conjunction is formed, and the circular aramid fiber core section product is 0.15 ~ 16mm2；
The polyvinyl chloride layer is composed of the following components：
The degree of polymerization is 1000 ~ 1,300 58 parts of polyvinyl-chloride of low-polymerization degree,
The degree of polymerization is 2000 ~ 2,500 38 parts of polychloroethylene with high polymerization degree,
27 parts of diethyl phthalate,
23 parts of trioctyl trimellitate (TOTM),
23 parts of calcium carbonate,
3.8 parts of calcium ricinoleate,
It is double（3,5- three-level butyl -4- hydroxy phenyls）4 parts of thioether,
2 parts of stearic acid,
0.8 part of Tissuemat E；
The thermoplastic urethane layers are composed of the following components：
80 ~ 100 parts of thermoplastic poly ammonia phenol elastomer,
8 ~ 15 parts of ethylene ethyl acrylate,
5 ~ 10 parts of ethylene-butylene copolymer,
4 ~ 8 parts of silica,
8 ~ 20 parts of butyronitrile compound,
5 ~ 10 parts of haloflex,
5 ~ 15 parts of zinc stannate,
5 ~ 12 parts of magnesium hydroxide,
Compound 2 ~ 8 parts of molybdenum smoke suppressant,
1 ~ 5 part of montmorillonite,
1 ~ 3 part of calcium-zinc composite stabilizing agent,
1 ~ 3 part of double thioether,
2 ~ 4 parts of zinc stearate.
Further improved technical scheme is as follows in above-mentioned technical proposal：
1. in such scheme, the number of the trapezoidal conductor and the number of " Z " font conductor require true according to the section of conductor It is fixed, while multilayer can be divided stranded.
2. in such scheme, the thickness of the inner conducting layer is 0.5 ~ 5mm, and the thickness of the outer conducting layer is 2 ~ 5mm.
3. in such scheme, the sectional area of the inner conducting layer is 1 ~ 240mm2, the sectional area of the outer conducting layer for 4 ~ 120mm2。
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1. the present invention is used for the against weather flexible cable of communication power supply, its oversheath is by institute's polyvinyl chloride layer and positioned at outside Thermoplastic urethane layers are constituted, and the polyvinyl chloride layer includes the polyvinyl-chloride of low-polymerization degree 50 ~ 70 that the degree of polymerization is 1000 ~ 1300 Part, the degree of polymerization is 2000 ~ 2,500 35 ~ 45 parts of polychloroethylene with high polymerization degree, 25 ~ 35 parts of diethyl phthalate, inclined benzene three Sour 18 ~ 25 parts of three monooctyl ester, 20 ~ 30 parts of calcium carbonate, 1 ~ 5 part of calcium ricinoleate is double（3,5- three-level butyl -4- hydroxy phenyls）Thioether 2 ~ 5 parts, 1 ~ 5 part of stearic acid, 0.5 ~ 1 part of Tissuemat E.So that the first restrictive coating combines respective advantage, improve insulating properties, Against weather and fire resistance, while it also avoid because materials variances is larger, caused lamination improves polychlorostyrene second Alkene layer, thermoplastic urethane layers contact surface compatibility and firmness, improve the reliability and service life of properties of product.
2. the present invention is used for the against weather flexible cable of communication power supply, its polyvinyl chloride layer further uses trimellitic acid Three 18 ~ 25 parts of monooctyl esters, 20 ~ 30 parts of calcium carbonate, 1 ~ 5 part of calcium ricinoleate is double（3,5- three-level butyl -4- hydroxy phenyls）Thioether 2 ~ 5 Part, 1 ~ 5 part of stearic acid, 0.5 ~ 1 part of Tissuemat E；Thermoplastic urethane layers further use 5 ~ 10 parts of ethylene-butylene copolymer, 4 ~ 8 parts of silica, 8 ~ 20 parts of butyronitrile compound, 5 ~ 10 parts of haloflex, improve the first restrictive coating thermal stability result, Radiotolerant characteristic, while improving insulating properties, surface abrasion resistance and case hardness, surface cloudy surface matte effect is excellent and drops The shrinkage factor of low material.
3. the present invention is used for the against weather flexible cable of communication power supply, if circular aramid fiber core outer surface is stranded has for its Dry root " Z " font conductor, and " Z " font conductor formation inner conducting layer described in some, if inner conducting layer outer surface is stranded has for this The dry trapezoidal conductor of root, circular aramid fiber core is formed by some aramid fibers silk is stranded so that flexible cable, tensile strength is big, Current-carrying capacity is high, pliability is high, flexible, and its close structure, and minimum bending radius declines most 4 times cable sizes, reduces The space of mounting arrangement, reduces installation cost, it is easier to lay；Secondly, using 2 layers of conductive layer, inner conducting layer is by some Individual " Z " font conductor strand is formed, and outer conducting layer is formed by several trapezoidal conductor strands, which greatly reduces vortex, is reduced The loss of circuit, improves electric conductivity, bending property and the decay resistance of cable, reduces cable caloric value, Neng Goubao Card cable keeps continuous electric property stable in long term overloading and overheat.
4. the present invention is used for the against weather flexible cable of communication power supply, it is located at the thermoplasticity of polyvinyl chloride layer outer surface Layer of polyurethane further contains 5 ~ 15 parts of zinc stannate, and 5 ~ 12 parts of magnesium hydroxide is combined 2 ~ 8 parts of molybdenum smoke suppressant, 1 ~ 5 part of montmorillonite is simultaneously Acted synergistically with other components, Flame Retardancy energy is improved greatly, the oxygen index (OI) for representing anti-flammability is high, and material is existed Stable hollow compound carbon structure is formd, second-time burning and the fire of material is prevented into charcoal effect with good during burning Flame is propagated.
Brief description of the drawings
Accompanying drawing 1 is used for the against weather soft cable structure schematic diagram of communication power supply for the present invention；
Accompanying drawing 2 is the partial structural diagram of accompanying drawing 1.
In the figures above：1st, circular aramid fiber core；2nd, inner conducting layer；21st, " Z " font conductor；3rd, outer conducting layer；31、 Trapezoidal conductor；4th, polyethylene insulation band；5th, polyvinyl chloride layer；6th, aramid fiber silk；7th, thermoplastic urethane layers.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment 1 ~ 5：A kind of against weather flexible cable for communication power supply, including circular aramid fiber core 1, this circular aramid fiber The outer surface of fibre core 1 is stranded some " Z " font conductors 21, and the formation of " Z " font conductor 21 inner conducting layer described in some 2, this outer surface of inner conducting layer 2 is stranded some trapezoidal conductors 31, and some trapezoidal formation of conductor 31 outer conducting layers 3, a polyethylene insulation band 4 around being wrapped in the outer surface of outer conducting layer 3, the outer surface of polyethylene insulation band 4 from inside to outside according to It is secondary to be coated with polyvinyl chloride layer 5, thermoplastic urethane layers 7；The direction of lay of " Z " font conductor 21 is that dextrad is stranded, described The trapezoidal direction of lay of conductor 31 is that left-hand is stranded；The circular aramid fiber core 1 is formed by some aramid fiber silks 6 are stranded, The circular sectional area of aramid fiber core 1 is 0.15 ~ 16mm2。
The number of plies of above-mentioned trapezoidal conductor 31 is 1 ~ 5 layer, and the number of plies of " Z " the font conductor 21 is 1 ~ 3 layer.Every layer is all tight The profile conductor of close combination.
The thickness of above-mentioned inner conducting layer 2 is 0.4 ~ 5mm, and the thickness of the outer conducting layer 3 is 2 ~ 5mm.
The sectional area of above-mentioned inner conducting layer 2 is 1 ~ 240mm2, the sectional area of the outer conducting layer 3 is 4 ~ 120mm2。
Above-mentioned polyvinyl chloride layer 5 is composed of the following components, specific as shown in table 1：
Table 1
Above-mentioned thermoplastic urethane layers 7 are composed of the following components, specific as shown in table 2：
Table 2
Its rated operational voltage is 450~750V and 600~1000V；Long-term work adaptive temperature is：- 20 DEG C~70 DEG C；Most Small-bend radius declines most 4 times cable sizes.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention The equivalent change or modification that Spirit Essence is made, should all be included within the scope of the present invention.

Claims (4)

1. a kind of against weather flexible cable for communication power supply, it is characterised in that：Including circular aramid fiber core（1）, this circle Shape aramid fiber core（1）Outer surface is stranded some " Z " font conductors（21）, and " Z " font conductor described in some（21） Form inner conducting layer（2）, this inner conducting layer（2）Outer surface is stranded some trapezoidal conductors（31）, and some described trapezoidal Conductor（31）Form outer conducting layer（3）, a polyethylene insulation band（4）Around being wrapped in the outer conducting layer（3）Outer surface, the poly- second Alkene insulating tape（4）Outer surface is coated with polyvinyl chloride layer successively from inside to outside（5）, thermoplastic urethane layers（7）；" Z " word Shape conductor（21）Direction of lay is that dextrad is stranded, the trapezoidal conductor（31）Direction of lay is that left-hand is stranded；The circular aramid fiber Fibre core（1）By some aramid fiber silks（6）It is stranded to form, the circular aramid fiber core（1）Sectional area be 0.15 ~ 16mm2；
The polyvinyl chloride layer（5）It is composed of the following components：
The degree of polymerization is 1000 ~ 1,300 58 parts of polyvinyl-chloride of low-polymerization degree,
The degree of polymerization is 2000 ~ 2,500 38 parts of polychloroethylene with high polymerization degree,
27 parts of diethyl phthalate,
23 parts of trioctyl trimellitate (TOTM),
23 parts of calcium carbonate,
3.8 parts of calcium ricinoleate,
It is double（3,5- three-level butyl -4- hydroxy phenyls）4 parts of thioether,
2 parts of stearic acid,
0.8 part of Tissuemat E；
The thermoplastic urethane layers（7）It is composed of the following components：
80 ~ 100 parts of thermoplastic poly ammonia phenol elastomer,
8 ~ 15 parts of ethylene ethyl acrylate,
5 ~ 10 parts of ethylene-butylene copolymer,
4 ~ 8 parts of silica,
8 ~ 20 parts of butyronitrile compound,
5 ~ 10 parts of haloflex,
5 ~ 15 parts of zinc stannate,
5 ~ 12 parts of magnesium hydroxide,
Compound 2 ~ 8 parts of molybdenum smoke suppressant,
1 ~ 5 part of montmorillonite,
1 ~ 3 part of calcium-zinc composite stabilizing agent,
It is double（3,5- three-level butyl -4- hydroxy phenyls）1 ~ 3 part of thioether,
2 ~ 4 parts of zinc stearate.
2. the against weather flexible cable according to claim 1 for communication power supply, it is characterised in that：The trapezoidal conductor （31）Number be 11 ~ 13, " Z " the font conductor（21）Number be 16 ~ 20.
3. the against weather flexible cable according to claim 1 for communication power supply, it is characterised in that：The inner conducting layer （2）Thickness be 0.4 ~ 5.0mm, the outer conducting layer（3）Thickness be 2 ~ 5mm.
4. the against weather flexible cable according to claim 1 for communication power supply, it is characterised in that：The inner conducting layer （2）Sectional area be 1 ~ 240mm2, the outer conducting layer（3）Sectional area be 4 ~ 120mm2。
CN201610714871.9A 2015-01-12 2015-01-12 Against weather flexible cable for communication power supply Pending CN107045898A (en)

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CN109102946A (en) * 2018-07-26 2018-12-28 江苏亨通线缆科技有限公司 The communication manufacturing method of flame-retardant fire-resistant power cable
CN109192375A (en) * 2018-07-26 2019-01-11 江苏亨通线缆科技有限公司 Flame-retardant fire-resistant power cable is used in communication
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Application publication date: 20170815