CN1983466A - 复合电缆 - Google Patents

复合电缆 Download PDF

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CN1983466A
CN1983466A CNA2006100647591A CN200610064759A CN1983466A CN 1983466 A CN1983466 A CN 1983466A CN A2006100647591 A CNA2006100647591 A CN A2006100647591A CN 200610064759 A CN200610064759 A CN 200610064759A CN 1983466 A CN1983466 A CN 1983466A
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cable
copper cash
layer
composite cable
stranded
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哈拉尔德·比瑟
哈拉尔德·海曼斯
格尔德·弗登霍尔文
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Nexans SA
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4415—Cables for special applications
    • G02B6/4416—Heterogeneous cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/22—Cables including at least one electrical conductor together with optical fibres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/08—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances quartz; glass; glass wool; slag wool; vitreous enamels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0009—Details relating to the conductive cores
    • H01B7/0018—Strip or foil conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • 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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
    • H01B7/183—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of an outer sheath

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Communication Cables (AREA)
  • Insulated Conductors (AREA)
  • Glass Compositions (AREA)

Abstract

本发明涉及一种用于通过拉入或吹入到电缆管中进行敷设的复合电缆，其具有：a)至少两个相互绞合的带绝缘皮的铜线(1、2)，b)至少一个单纤维的光导纤维(3、4)以及c)一层电缆外皮(5)，其中所述铜线的绝缘皮由发泡的聚合物制成的内层(1b、2b)以及不发泡聚合物制成的外层(1c、2c)(泡沫外皮)构成，以及所述光导纤维(3、4)配置在相互绞合的、带绝缘皮的铜线(1、2)的绞合空隙中并且将由高强度材料制成的加强元件(5a)嵌置在所述外皮(5)中。

Description

复合电缆
技术领域
本发明涉及一种通过拉入或吹入到电缆管中铺设的复合电缆。
背景技术
由DE10149122公开了一种复合电缆，其包含带绝缘皮的铜线和多个光导纤维，在此，采用多根成对绞合的分别包括一对带绝缘皮的铜线的导线。这些带绝缘皮的铜线对是相互以不同的敷设长度绞合的。每根光导纤维设计为多芯-塑料光导纤维。这种成对绞合的带绝缘皮的铜线和多芯塑料光导纤维彼此相邻地配置并且全部成对绞合的铜线和多芯塑料光导纤维是相互绞合的。
这种由至少两对铜线和两个多芯塑料光导纤维构成的电缆具有一个对于所述吹入技术而言过大的外径并且此外柔性很小。所以这种公知的复合电缆只能被设计用于房屋配电电缆。
发明内容
本发明所要解决的技术问题是提供一种具有最大柔性和足够大抗拉强度的以及适合通过拉入或吹入到一个电缆管中进行敷设的复合电缆。
上述技术问题通过一种用于通过拉入或吹入到电缆管中进行敷设的复合电缆得以解决，所述复合电缆具有：
a)至少两个相互绞合的带绝缘皮的铜线，
b)至少一个单纤维的光导纤维以及
c)一层电缆外皮(，其中
所述铜线的绝缘皮由发泡的聚合物制成的内层以及不发泡聚合物制成的外层(泡沫外皮)构成，以及所述光导纤维配置在相互绞合的、带绝缘皮的铜线的绞合空隙中并且将由高强度材料制成的加强元件嵌置在所述外皮中。
有利的是，所述复合电缆具有两个单纤维的光导纤维以及两个绞合为一对的带绝缘皮的铜线。
有利的是，所述铜线的绝缘内层由发泡的聚乙烯构成以及铜线的绝缘外层由不发泡的聚乙烯构成。
有利的是，所述光导纤维分别由光导的玻璃纤维和塑料层构成(固定电缆芯线/似乎固定电缆芯线)。
有利的是，由所述铜线对和光导纤维构成的复合元件被一个由不吸湿薄膜制成的层和至少一个在其外侧设置的由铝膜制成的层以及一个在该铝膜层上设置的由不吸湿薄膜制成的层所包绕。
有利的是，所述加强元件均匀地沿圆周分布地安置。所述加强元件沿电缆的纵向延伸或者以相对于电缆纵轴线最大10°偏移角地沿所述铜线对的绞合方向延伸。所述加强元件有利地直接安置到由不吸湿薄膜制成的外层上。所述加强元件由玻璃纤维加强的塑料制成。
所述光导纤维能实现一种从建筑物到数字化数据网(到家用FTTh的光纤)的连接，而所述带绝缘皮的铜线则应用于向用户的远程供电，但是也可以应用于复合电缆的定位目的。此外，这些绞合的铜线也可以用作电话(POTS)和/或高比特率的×DSL-连接的主导线。
按照本发明思想的复合电缆涉及一种室外电缆，其尤其适合于通过吹入到电缆管中进行的敷设。
为了使复合电缆吹入或拉入到电缆管中的方法不受太多的限制，就应该应用不多于三根的带绝缘皮铜线。光导纤维的数目几乎可以任意选择，但是出于成本的原因应该保持限制在最多三根光导纤维。
附图说明
下面借助附于在图中示意性示出的一种特别有利的复合电缆的实施例对本发明予以详细阐述。
具体实施方式
所述复合电缆由两根带绝缘皮的铜线1和2组成的一对铜线、两根光导纤维3和4、外皮5以及将构成铜线对和光导纤维3及4的电缆芯包围的裹层6组成。
带绝缘皮的铜线1和2分别由可以构造为单根铜线或由多根铜线构成的导线1a、2a组成。
铜线1a、2a被由发泡聚乙烯制成的第一绝缘层1b、2b包绕。在第一绝缘层1b、2b上设置一个由不发泡的聚乙烯构成的第二绝缘层1c、2c。这种绝缘结构本身在通讯电缆技术中是公知的并且被称为泡沫外皮。带绝缘皮的铜线是相互绞合的并构成了所述铜线对。
光导纤维3和4由玻璃纤维或塑料纤维3a、4a构成，其如公知的那样由光导芯和包裹该光导芯的一般由塑料制成的外层构成。该玻璃纤维或塑料纤维3a、4a被塑料层3b、4b包绕。玻璃纤维或塑料纤维3a、4a和塑料层3b、4b构成固定电缆芯线或者说似乎固定电缆芯。光导纤维3和4安置在所述铜线对的绞合空隙(Verseilzwickeln)中。
裹层6由不吸湿薄膜制成的第一层6a、铝膜制成的第二层6b以及不吸湿薄膜制成的第三层6c构成。铝膜制成的层6b起屏蔽作用。
外皮5最好由聚乙烯构成，特别是由一种高密度的聚乙烯(HDPE)构成。在外皮5中配置4个加强元件5a，它们既可以由聚芳酰胺构成或也可以由玻璃纤维加强的塑料构成。这些加强元件5a被嵌置在外皮5中。它们沿电缆的纵向延伸或者以相对于电缆纵轴线最大10°夹角地沿所述铜线对的绞合方向延伸。
在本发明的一项特别优选的扩展设计中复合电缆具有如下的特性：
外直径    6.5mm
重量      40kg/km
最小弯曲半径(静止的)40mm
最小弯曲半径(动态的)80mm
最大拉力220N
按照本发明的复合电缆可以通过所谓的吹入技术置入到电缆管中。
光导纤维和一个铜线对的组合提供了一种广阔地为FTTh终端设备或配电器远程供电的解决方案。也可以例如将铜线对应用于复合电缆的定位以及用作POTS和/或高比特率的×DSL-连接的主导线。

Claims (9)

1.一种用于通过拉入或吹入到电缆管中进行敷设的复合电缆，其具有：
a)至少两个相互绞合的带绝缘皮的铜线(1、2)，
b)至少一个单纤维的光导纤维(3、4)以及
c)一层电缆外皮(5)，其中
所述铜线的绝缘皮由发泡的聚合物制成的内层(1b、2b)以及不发泡聚合物制成的外层(1c、2c)(泡沫外皮)构成，以及所述光导纤维(3、4)配置在相互绞合的、带绝缘皮的铜线(1、2)的绞合空隙中并且将由高强度材料制成的加强元件(5a)嵌置在所述外皮(5)中。
2.按权利要求1所述的复合电缆，其特征在于，所述复合电缆具有两个单纤维的光导纤维以及两个绞合为一对的带绝缘皮的铜线。
3.按权利要求1或2所述的复合电缆，其特征在于，所述铜线的绝缘内层(1b、2b)由发泡的聚乙烯构成以及铜线(1a、2a)的绝缘外层(1c、2c)由不发泡的聚乙烯构成。
4.按权利要求1至3中任一项所述的复合电缆，其特征在于，所述光导纤维(3、4)分别由光导的玻璃纤维(3a、4a)和塑料层(3b、4b)构成(固定电缆芯线/似乎固定电缆芯线)。
5.按权利要求1至4中任一项所述的复合电缆，其特征在于，由所述铜线对和光导纤维(3、4)构成的复合元件被一个由不吸湿薄膜制成的层(6a)和至少一个在其外侧设置的由铝膜制成的层(6b)以及一个在该铝膜层(6b)上设置的由不吸湿薄膜制成的层(6c)所包绕。
6.按权利要求1至5中任一项所述的复合电缆，其特征在于，所述加强元件(5a)均匀地沿圆周分布地安置。
7.按权利要求5或6的复合电缆，其特征在于，所述加强元件(5a)沿电缆的纵向延伸或者以相对于电缆纵轴线最大10°偏移角地沿所述铜线对的绞合方向延伸。
8.按权利要求5至7中任一项所述的复合电缆，其特征在于，所述加强元件(5a)直接安置到由不吸湿薄膜制成的外层(6c)上。
9.按权利要求1至8中任一项所述的复合电缆，其特征在于，所述加强元件(5a)由玻璃纤维加强的塑料制成。
CNA2006100647591A 2005-08-31 2006-08-31 复合电缆 Pending CN1983466A (zh)

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US20070110376A1 (en) 2007-05-17
ATE425473T1 (de) 2009-03-15
DE502005006823D1 (de) 2009-04-23
US7643713B2 (en) 2010-01-05

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