CN203260334U - 一种复合芯圆铝绞线架空绝缘电缆 - Google Patents

一种复合芯圆铝绞线架空绝缘电缆 Download PDF

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Publication number
CN203260334U
CN203260334U CN 201320200677 CN201320200677U CN203260334U CN 203260334 U CN203260334 U CN 203260334U CN 201320200677 CN201320200677 CN 201320200677 CN 201320200677 U CN201320200677 U CN 201320200677U CN 203260334 U CN203260334 U CN 203260334U
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cable
carbon fiber
composite
aluminum
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韦强启
姜新斌
王桂花
祝炳臣
苗学鹏
陈长江
庞文元
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Henan Kosen Cable Co Ltd
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Henan Kosen Cable Co Ltd
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Abstract

本实用新型涉及一种复合芯圆铝绞线架空绝缘电缆，其特征在于，所述电缆在中心以碳纤维复合芯作为承载线芯，在所述碳纤维复合芯外绞合圆铝单线，在所述圆铝单线外包覆屏蔽层，在所述屏蔽层外包覆绝缘层。本实用新型的有益效果是：具有碳纤维复合芯电缆的全部优点，并具有绝缘保护作用，可广泛用于新老线路，能应用于电压等级为1kv、10kv等低压线路。

Description

一种复合芯圆铝绞线架空绝缘电缆
技术领域
 本实用新型涉及电线电缆领域，尤其涉及一种复合芯圆铝绞线架空绝缘电缆。
背景技术
随着我国经济建设的不断发展，电力需求的不断增长，电缆作为电能传输的载体的需求量也越来越大，而目前国内用的电缆导线多是钢芯铝绞线和钢芯铝合金导线，这些导线的重量较大，电阻较大，从而导致输电费用高，且运行温度较低，不能适应在高温条件下的运行，因此电力传输成为电力工业发展的“瓶颈”，各国均在研究新型架空输电路用导线，以取代传统的钢芯铝绞线。
发明内容
本实用新型所要解决的技术问题是克服现有技术中钢芯铝绞线电缆的缺陷，提供一种复合芯圆铝绞线架空绝缘电缆。
本实用新型解决其技术问题所采用的技术方案是：
一种复合芯圆铝绞线架空绝缘电缆，其特征在于，所述电缆在中心以碳纤维复合芯作为承载线芯，在所述碳纤维复合芯外绞合圆铝单线，在所述圆铝单线外包覆屏蔽层，在所述屏蔽层外包覆绝缘层。
进一步地，所述屏蔽层的厚度是0.6mm，所述绝缘层的厚度是3.4mm。
本实用新型的有益效果是：具有碳纤维复合芯电缆的全部优点，并具有绝缘保护作用，可广泛用于新老线路，能应用于电压等级为1kv、10kv等低压线路。
碳纤维复合芯电缆与传统的钢芯铝绞电缆相比较具有以下优点：
(1)重量轻：碳纤维复合芯的密度是钢的密度为的1/4。因此,架空电缆的杆塔跨距可增长,减少塔杆数约为16%左右,同时减少占地面积。
(2)强度高，破断力大。碳纤维复合芯电缆的拉伸强度约为2399MPa ,是普通钢丝的1.97倍,是高强度钢的1.17倍。
(3)导电率高,载流量大。相同直径碳纤维复合芯电缆中的铝线截面积是常规钢芯铝绞电缆的1.29倍,载流量提高29%左右。
(4)线路损耗小。碳纤维复合材料是一种非磁性材料,当导线通过交流电时不会产生磁滞损耗和涡流损耗,呈现出更小的交流电阻。
(5)耐腐蚀,使用寿命长。碳纤维复合芯棒避免了钢芯在通电时铝线与镀锌钢丝之间的电化学腐蚀,使铝导线长期使用而耐老化。
(6)线膨胀系数小,弛度小。
附图说明
图1为本实用新型的结构示意图。 
具体实施方式
如图1所示，一种复合芯圆铝绞线架空绝缘电缆，所述电缆在中心以碳纤维复合芯1作为承载线芯，在所述碳纤维复合芯1外绞合圆铝单线2，在所述圆铝单线2外包覆屏蔽层3，在所述屏蔽层3外包覆绝缘层4。所述屏蔽层3的厚度是0.6mm，所述绝缘层4的厚度是3.4mm。

Claims (2)

1.一种复合芯圆铝绞线架空绝缘电缆，其特征在于，所述电缆在中心以碳纤维复合芯作为承载线芯，在所述碳纤维复合芯外绞合圆铝单线，在所述圆铝单线外包覆屏蔽层，在所述屏蔽层外包覆绝缘层。
2.如权利要求1所述的复合芯圆铝绞线架空绝缘电缆，其特征在于，所述屏蔽层的厚度是0.6mm，所述绝缘层的厚度是3.4mm。
CN 201320200677 2013-04-20 2013-04-20 一种复合芯圆铝绞线架空绝缘电缆 Expired - Lifetime CN203260334U (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106782839A (zh) * 2016-11-10 2017-05-31 过冬 一种绝缘架空电缆
CN106782838A (zh) * 2016-11-10 2017-05-31 过冬 一种架空输电线
CN112037992A (zh) * 2020-08-12 2020-12-04 国网河南省电力公司周口供电公司 一种耐高温碳纤维芯光电复合架空导线

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106782839A (zh) * 2016-11-10 2017-05-31 过冬 一种绝缘架空电缆
CN106782838A (zh) * 2016-11-10 2017-05-31 过冬 一种架空输电线
CN112037992A (zh) * 2020-08-12 2020-12-04 国网河南省电力公司周口供电公司 一种耐高温碳纤维芯光电复合架空导线

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