CN107919181A - 一种电线电缆导体 - Google Patents

一种电线电缆导体 Download PDF

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CN107919181A
CN107919181A CN201711091367.9A CN201711091367A CN107919181A CN 107919181 A CN107919181 A CN 107919181A CN 201711091367 A CN201711091367 A CN 201711091367A CN 107919181 A CN107919181 A CN 107919181A
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copper
aluminium alloy
wire
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electric wire
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罗志昭
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00Non-insulated conductors or conductive bodies characterised by their form
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08Several wires or the like stranded in the form of a rope
    • H01B5/10Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/023Alloys based on aluminium
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/026Alloys based on copper
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/02Stranding-up
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08Several wires or the like stranded in the form of a rope
    • H01B5/10Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
    • H01B5/102Several 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
    • H01B5/104Several 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 metallic wires, e.g. steel wires

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  • Manufacturing & Machinery (AREA)
  • Conductive Materials (AREA)

Abstract

本发明是201310054708.0的分案申请。本申请公开了一种电线电缆导体,其特征:电线电缆导体为铜绞铝合金线,保留铜绞线与铝合金绞线的本体氧化层,在铝合金线上绞合铜线,铜线的截面积根据电流大小占铜绞铝合金线总截面积的1%~90%。通过隔离保护层的分裂,铜、铝合金形成两个相对独立但电位相等的导体,相互之间不会产生电磁干扰,电流密度分布均匀效果大大提高。一种电线电缆导体适用于各种电压等级的电线电缆。

Description

一种电线电缆导体
本申请为申请号201310054708.0、申请日2013-02-21、发明名称为“一种电线电缆导体”的分案申请。
技术领域
本发明涉及一种电线电缆导体适用于各种电压等级的电线电缆。
背景技术
现有的电线电缆行业为了提高载流量、降成本,提出了高强度铜包铝电缆导体、扩径钢芯铝绞线、空心电缆、高压空心电缆、组合导体结构电力电缆、多分裂铜或铝母线。但还是没找到一个更有效果的降成本、提高载流量的办法。上述系列产品的导体采用是铜、铝、铜包铝、铜铝之间有绝缘隔离的导体,其缺点:
①铜载流量小,温升高,成本高。
②铝载流量小,温升高,铝导电率与铜比相对较差及易氧化。
③铜包铝载流量小,温升高,铜包铝工艺复杂,是治金结合(现有技术铜与铝的配合使用必须是冶金结合,不然有电化学反应),铜铝的粘合性是铜与铝不分层,是一个整体,电流密度分布不均匀。等径的铜线与铜包铝线相比,铜线比铜包铝线载流量大,等径的铜包铝电缆与铜电缆相比不节能,并且废旧铜包铝电线电缆在回收中,铜铝分离工艺复杂,污染严重。
④多分裂铜或铝母线的缺点:载流量小,温升高,铜铝之间有绝缘隔离,铜铝电化学反应解决了,但铜、铝是两个独立导体,不等电位,两个导体间的电磁场相互干扰,相互降低载流量。
发明内容
本发明的目的是克服现有技术的缺点,提出保留铜与铝合金的本体氧化层(氧化层很薄,电阻很小)做为隔离保护层,防止电化学反应,铜与铝合金(如铝镁合金、稀土铝合金)配合是搭接结合,通过隔离保护层的分裂,铜、铝合金形成两个相对独立但电位相等的导体,相互之间不会产生电磁干扰,电流密度分布均匀效果大大提高。
实现本发明目的的技术方案:本发明一种电线电缆导体是用于:导体采用外层导体是铜、内层导体是铝合金,用铜、铝合金的本体氧化层做为隔离保护层,导体结构有铜套铝合金棒(大直径为棒,直径小于5mm为线)、铜绞铝合金线、扩径铜绞铝合金绞线、铜绞钢芯铝合金绞线、扩径铜绞钢芯铝合金绞线;上述导体根据电压等级需要可在导体上外加绝缘层或屏蔽绝缘层。
本发明的有益效果是:一种电线电缆导体是用铜与铝合金的本体氧化层做为隔离保护层,铜与铝合金配合是搭接结合,电流密度分布均匀效果比铜、铝、铜包铝(铜铝冶金结合)、铜铝之间有绝缘隔离的导体要好。①等径的铜线与铜套铝合金线相比,铜套铝合金线载流量大,温升低;②等径的铜棒与铜套铝合金棒相比,铜套铝合金棒载流量大,温升低;
③等径的铜绞线与铜绞铝合金线相比,铜绞铝合金线载流量大,温升低。一种电线电缆导体比铜、铝、铜包铝、铜铝之间有绝缘隔离的导体载流量大,温升低。金属氧化层做隔离保护层的应用实现了提高载流量、温升低、降成本的节能效果。
下面结合附图对本发明进行进一步说明
附图说明
附图1(铜套铝合金棒),附图2(铜绞铝合金线),附图3(扩径铜绞铝合金线),附图4(铜绞钢芯铝合金绞线),附图5(扩径铜绞钢芯铝合金绞线),为本发明的结构示意图。
附图1中:1铜套,2铝合金棒。
附图2中:1铜绞线,2铝合金绞线。
附图3中:1铜绞线,2铝合金绞线,3扩径发泡塑料。
附图4中:1铜绞线,2铝合金绞线,4钢绞线。
附图5中:1铜绞线,2铝合金绞线,3扩径发泡塑料,4钢绞线。
具体实施方式
下面结合附图对本发明的具体实施方式作进一步说明。
如图1所示,本发明的一种电线电缆导体,制作铜套铝合金棒、线的方法:保留铜套(1)与铝合金棒(2)的本体氧化层,将铜套(1)套在铝合金棒(2)上,通过轧管机将铜套(1)与铝合金棒、(2)机械结合,铜套(1)与铝合金棒(2)要面接触。上述铜套(1)还可用铜带做材料,用铜带均匀包覆在铝合金棒上,将铜带的缝焊接成铜套(1)。所述的铜套(1)的壁厚根据电流大小而定(0.1mm-10mm),铝合金棒(2)的直径根据电流大小而定(1mm-100mm)。上述导体根据电压等级需要可在导体上外加绝缘层或屏蔽绝缘层。
按上述方法的生产过程,铜套铝合金棒可以制作成套管、母线,铜套铝合金线可以制作成电线。
如图2所示,本发明的一种电线电缆导体,制作铜绞铝合金线的方法:保留铜绞线与铝合金绞线的本体氧化层,在铝合金线(2)上绞合铜线(1),铜线(1)的截面积根据电流大小可占铜绞铝合金线总截面积的1%~90%。上述导体根据电压等级需要可在导体上外加绝缘层或屏蔽绝缘层。
按上述方法的生产过程,铜绞铝合金线可以制作成电缆、软母线。
如图3所示,本发明的一种电线电缆导体,制作扩径铜绞铝合金线的方法:保留铜绞线与铝合金绞线的本体氧化层,扩径的材料采用发泡塑料(3),做成圆条、也可以做成管,在圆条上绞合铝合金线(2),在已扩径的铝合金线(2)上绞合铜线(1),铜线(1)的截面积根据电流大小可占扩径铜绞铝合金线总截面积的1%~90%。扩径的截面积占扩径铜绞铝合金线总截面积的1%~90%。上述导体根据电压等级需要可在导体上外加绝缘层或屏蔽绝缘层。
按上述方法的生产过程,扩径铜绞铝合金线可以制作成电缆、软母线。
如图4所示,本发明的一种电线电缆导体,制作铜绞钢芯铝合金绞线的方法:保留铜绞线与钢芯铝合金绞线的本体氧化层,在钢绞线(4)绞合铝合金线(2),在已绞合完成的钢钢芯铝合金绞线上绞合铜线(1)。铜线(1)的截面积根据电流大小可占钢芯铜绞铝合金线总截面积的1%~90%。上述导体根据电压等级需要可在导体上外加绝缘层或屏蔽绝缘层。
按上述方法的生产过程,铜绞钢芯铝合金绞线可以制作成软母线、架空线。
如图5所示,本发明的一种电线电缆导体,制作扩径铜绞钢芯铝合金绞线的方法:保留铜绞线与钢芯铝合金绞线的本体氧化层,在钢绞线上(4)上挤出发泡塑料(3)用作圆形扩径,在圆形扩径发泡塑料(3)上绞合铝合金线(2),在已扩径的铝合金线(2)上绞合铜线(1),铜线(1)的截面积根据电流大小可占扩径钢芯铜绞铝合金线总截面积的1%~90%。扩径的截面积占扩径钢芯铜绞铝合金线总截面积的1%~90%。上述导体根据电压等级需要可在导体上外加绝缘层或屏蔽绝缘层。
按上述方法的生产过程,扩径铜绞钢芯铝合金绞线可以制作成软母线、架空线。

Claims (2)

1.一种电线电缆导体,其特征:电线电缆导体为铜绞铝合金线,保留铜绞线与铝合金绞线的本体氧化层,在铝合金线上绞合铜线,铜线的截面积根据电流大小占铜绞铝合金线总截面积的1%~90%。
2.根据权利要求1所述的一种电线电缆导体,其特征:导体根据电压等级需要在导体上外加绝缘层。
CN201711091367.9A 2013-02-21 2013-02-21 一种电线电缆导体 Pending CN107919181A (zh)

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CN104167234A (zh) * 2014-08-29 2014-11-26 孙金福 一种铜包铝镁合金线
CN113764117B (zh) * 2021-08-26 2023-05-16 贵州晟展峰新材料科技有限公司 一种纳米稀土铝合金电缆

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CN2156572Y (zh) * 1993-04-13 1994-02-16 王治民 耐腐蚀钢芯绞线输电导线
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