CN108735376A - 一种具有自监测功能的同心导体电力电缆 - Google Patents

一种具有自监测功能的同心导体电力电缆 Download PDF

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CN108735376A
CN108735376A CN201810516056.0A CN201810516056A CN108735376A CN 108735376 A CN108735376 A CN 108735376A CN 201810516056 A CN201810516056 A CN 201810516056A CN 108735376 A CN108735376 A CN 108735376A
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conductor
concentric
core conductor
self
connection
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刘焱鑫
刘建锋
刘永青
刘秋生
陈健
蔺海峰
李坤朋
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Jiangsu Zhongli Group Co Ltd
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Jiangsu Zhongli Group Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/003—Power cables including electrical control or communication wires
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/023—Alloys based on aluminium
    • 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
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • 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
    • H01B7/0045—Cable-harnesses
    • 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
    • H01B7/02—Disposition of insulation
    • H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
    • 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
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • 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
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Insulated Conductors (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

本发明公开了一种具有自监测功能的同心导体电力电缆，其包括主线芯导体(1)，所述主线芯导体(1)外挤包有绝缘层(2)，所述绝缘层(2)外设置有副线芯导体和通讯线，所述副线芯导体包括多根单丝(3)，所述通讯线与副线芯导体一起同心式斜包在绝缘层(2)外，所述通讯线与副线芯导体外挤包有外护套层(6)；本发明结构简单，一根电缆同时实现了电力传输和系统监控，避免了多次施工。

Description

一种具有自监测功能的同心导体电力电缆
技术领域
本发明涉及电力电缆，具体是一种具有自监测功能的同心导体电力电缆，属于电缆制造技术领域。
背景技术
为了实现电力传输和系统监控，目前的电力电缆和监测线路采用分别施工的方式，这样就需要进行多次施工。如申请公布号为CN106100001A的专利文献公开的一种非接触式电力传输系统，包括控制中心，用于监控、电力使用情况，并实时存储、分析数据资料；通信，用于实时传输电力使用情况及数据至控制中心；电力传输电缆，用于连接供电输入端，为用电设备供电。
发明内容
本发明的目的是提供一种具有自监测功能的同心导体电力电缆，该电缆同时实现电力传输和系统监控。
为了达到上述技术目的，本发明的技术方案是：
一种具有自监测功能的同心导体电力电缆，其包括主线芯导体，所述主线芯导体外挤包有绝缘层，所述绝缘层外设置有副线芯导体和通讯线，所述副线芯导体包括多根单丝，所述通讯线与副线芯导体一起同心式斜包在绝缘层外，所述通讯线与副线芯导体外挤包有外护套层。
主线芯导体：主线芯导体采用铝合金导体，与铜导体相比有如下几点主要优点：①铝合金导体密度小，重量轻，便于安装敷设。②具有低反弹、高柔韧性，容易弯曲，可以敷设在狭小的工作区域。③耐腐蚀，导体表面会形成致密的氧化物薄膜，耐受各种形式的化学腐蚀。
主线芯绝缘层：主线芯导体外挤包绝缘层，材料为交联聚乙烯。该材料击穿场强高，介质损耗小，绝缘电阻大。体型网状结构，大大提高了耐热性能，相同截面下电缆的载流量得以提高。绝缘颜色可根据工程及客户的要求生产。
副线芯导体：在主线芯绝缘层外进行铝合金单丝同心式斜包，铝合金单丝根数与单丝直径可以按照生产工艺调节，但是需要保证多根铝合金丝整体截面与主线芯导体标称截面保持一致，该结构为整根电缆提供了拉力保护。副线芯导体与绝缘材料、护套材料接触，所以无需挤出绝缘，大大节约了生产成本。
通讯线：两根通讯线与副线芯导体一起同心式斜包，减少了生产工序，实时监测电缆系统的使用情况。
外护套：外护套采用挤压方式的工艺，挤包一层聚氯乙烯(PVC)，该材料可以根据电缆使用环境或者客户要求，增加耐油性能、防鼠防白蚁等特殊性能。颜色可以根据客户要求进行生产，耐紫外线不褪色，性能稳定。
本发明结构简单，一根电缆同时实现了电力传输和系统监控，避免了多次施工。
附图说明
图1为本发明结构示意图。
具体实施方式
下面结合附图和具体实施方式对本发明作进一步详细的说明。
如图1所示，一种具有自监测功能的同心导体电力电缆，其包括主线芯导体1，所述主线芯导体1采用铝合金导体。
所述主线芯导体1外挤包有绝缘层2，所述绝缘层2材料为交联聚乙烯。
所述绝缘层2外设置有副线芯导体和两根通讯线，所述副线芯导体包括多根单丝3，具体地，所述副线芯导体为多根铝合金丝。所述通讯线包括通讯线导体4和通讯线绝缘5，所述通讯线绝缘5在通讯线导体4外。所述通讯线与副线芯导体一起同心式斜包在绝缘层2外。
所述通讯线与副线芯导体外挤包有外护套层6，所述外护套层6材料为聚氯乙烯。所述副线芯导体与外护套层6之间设置有撕裂绳7。
两根通讯线作为电缆的监测用线，实时反馈电缆系统的使用情况。最后挤出一层外护套层6，保护整根电缆不受外界机械损伤。该电缆可应用于民用电表系统，主线芯作为火线使用，斜包的多根铝合金丝作为零线使用来形成电流回路，斜包时增加通讯线，一根电缆同时解决了电力传输和系统监控的问题，避免了多次施工，同时护套下的撕裂绳便于施工时开缆。
上述实施例不以任何方式限制本发明，凡是采用等同替换或等效变换的方式获得的技术方案均落在本发明的保护范围内。

Claims (8)

1.一种具有自监测功能的同心导体电力电缆，其特征在于包括主线芯导体(1)，所述主线芯导体(1)外挤包有绝缘层(2)，所述绝缘层(2)外设置有副线芯导体和通讯线，所述副线芯导体包括多根单丝(3)，所述通讯线与副线芯导体一起同心式斜包在绝缘层(2)外，所述通讯线与副线芯导体外挤包有外护套层(6)。
2.根据权利要求1所述的一种具有自监测功能的同心导体电力电缆，其特征在于：所述主线芯导体(1)采用铝合金导体。
3.根据权利要求1所述的一种具有自监测功能的同心导体电力电缆，其特征在于：所述绝缘层(2)材料为交联聚乙烯。
4.根据权利要求1所述的一种具有自监测功能的同心导体电力电缆，其特征在于：所述副线芯导体为多根铝合金丝(3)。
5.根据权利要求1所述的一种具有自监测功能的同心导体电力电缆，其特征在于：所述外护套层(6)材料为聚氯乙烯。
6.根据权利要求1所述的一种具有自监测功能的同心导体电力电缆，其特征在于：所述通讯线包括通讯线导体(4)和通讯线绝缘(5)，所述通讯线绝缘(5)在通讯线导体(4)外。
7.根据权利要求1所述的一种具有自监测功能的同心导体电力电缆，其特征在于：所述副线芯导体与外护套层(6)之间设置有撕裂绳(7)。
8.根据权利要求1所述的一种具有自监测功能的同心导体电力电缆，其特征在于：所述通讯线为2根。
CN201810516056.0A 2018-05-25 2018-05-25 一种具有自监测功能的同心导体电力电缆 Pending CN108735376A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201607981U (zh) * 2010-02-24 2010-10-13 江苏上上电缆集团有限公司 耐曲绕拖令电缆
CN205004058U (zh) * 2015-09-17 2016-01-27 浙江万马股份有限公司 同心式电力通讯复合型入户电缆
CN206849527U (zh) * 2017-04-24 2018-01-05 江苏上上电缆集团有限公司 具有防窃电、通信功能的特种复合电缆

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201607981U (zh) * 2010-02-24 2010-10-13 江苏上上电缆集团有限公司 耐曲绕拖令电缆
CN205004058U (zh) * 2015-09-17 2016-01-27 浙江万马股份有限公司 同心式电力通讯复合型入户电缆
CN206849527U (zh) * 2017-04-24 2018-01-05 江苏上上电缆集团有限公司 具有防窃电、通信功能的特种复合电缆

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