CN110111928A - 一种高阻燃耐候性电缆 - Google Patents

一种高阻燃耐候性电缆 Download PDF

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CN110111928A
CN110111928A CN201910434873.6A CN201910434873A CN110111928A CN 110111928 A CN110111928 A CN 110111928A CN 201910434873 A CN201910434873 A CN 201910434873A CN 110111928 A CN110111928 A CN 110111928A
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朱磊鑫
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Haiyan Haosheng Cable Manufacturing Co Ltd
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    • 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
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    • 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
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    • 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
    • H01B3/40—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 epoxy resins
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    • 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
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    • H01—ELECTRIC ELEMENTS
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Abstract

本发明公开了一种高阻燃耐候性电缆，包括缆芯和设置在缆芯外的保护层，所述保护层包括由内之外依次设置的绝缘层、空气层以及阻燃层，所述绝缘层为环氧树脂和热塑型酚醛树脂的混合层，所述空气层内沿线芯长度方向设置有若干组呈圆形分布的弹性块，所述弹性块的两端分别与绝缘层与阻燃层固定连接，所述阻燃层为聚氯乙烯与丁苯橡胶混合的橡胶层，所述阻燃层外还设有表层，该发明结构合理，该电缆的阻燃层采用聚氯乙烯与丁苯橡胶制成，能够提高电缆的耐油性和阻燃性，绝缘层由环氧树脂和热塑性酚醛树脂混合，能够有效的防止内部的电性导致缆线保护层的氧化，使得绝缘的效果更好。

Description

一种高阻燃耐候性电缆
技术领域
本发明涉及电缆技术领域，特别涉及一种高阻燃耐候性电缆。
背景技术
随着经济的发展，需要使用电缆的场所变得多样化，对电缆的性能指标有了更加严格和多样的要求，比如绝缘性、拉伸强度、使用温度、阻燃性能等指标均有严格的要求，不断的提高电缆的性能，是经济和社会发展的迫切需求，传统的护套材料多存在阻燃性差、耐油性差的问题。电缆的阻燃性差时，电缆容易出现燃烧，产生明火，造成电缆内部的导线暴露出来，进而造成电器短路现象的发生。
发明内容
本发明的目的是提供一种高阻燃耐候性电缆。
本发明的上述技术目的是通过以下技术方案得以实现的：
一种高阻燃耐候性电缆，包括缆芯和设置在缆芯外的保护层，所述保护层包括由内之外依次设置的绝缘层、空气层以及阻燃层，所述绝缘层为环氧树脂和热塑型酚醛树脂的混合层，所述空气层内沿线芯长度方向设置有若干组呈圆形分布的弹性块，所述弹性块的两端分别与绝缘层与阻燃层固定连接，所述阻燃层为聚氯乙烯与丁苯橡胶混合的橡胶层，所述阻燃层外还设有表层。
采取上述技术方案，该电缆的阻燃层采用聚氯乙烯与丁苯橡胶制成，能够提高电缆的耐油性和阻燃性，绝缘层由环氧树脂和热塑性酚醛树脂混合，能够有效的防止内部的电性导致缆线保护层的氧化，使得绝缘的效果更好；通过在空气层内设置弹性块，能够使该电缆的保护层具有一定的弹性，使电缆具有一定的击打性。
作为优选，所述缆芯包括多根螺旋缠绕的铜丝，每根所述铜丝的外表面均设置有镀锡层。
采取上述技术方案，该电缆的缆芯通过多个镀锡铜丝螺旋缠绕而成，使该结构导电性能优，稳定性能好，使用寿命长。
作为优选，所述空气层为真空层。
采取上述技术方案，将空气层内空气通过抽气泵抽出，使其内部真空，能够有效避氧气使绝缘层氧化，有效减缓绝缘层的老化。增加绝缘层的实用寿命。
作为优选，所述表层为PTFE层。
采取上述技术方案，PTFE层为PTFE乳液，在耐热层的外表面PTFE乳液上其凝结后形成PTFE层，使该电缆的耐热性和耐磨损性大大提高。
作为优选，所述表层外设有防水涂料层。
采取上述技术方案，防水涂料层为高弹橡胶防水涂料，其具有不怕漏水、不怕老化、不怕开裂变形、不怕穿刺等特点，能够使该电缆具有防水效果，有效避免该电缆在阴雨天气雨水侵入电缆内导致电缆漏电，造成危险。
附图说明
图1为本发明结构示意图。
附图标记：1、缆芯；2、绝缘层；3、空气层；4、阻燃层；5、弹性块；6、表层；7、铜丝；8、镀锡层；9、防水涂料层。
具体实施方式
以下所述仅是本发明的优选实施方式，保护范围并不仅局限于该实施例，凡属于本发明思路下的技术方案应当属于本发明的保护范围。同时应当指出，对于本技术领域的普通技术人员而言，在不脱离本发明原理前提下的若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。
如图1所示，一种高阻燃耐候性电缆，包括缆芯1和设置在缆芯1外的保护层，缆芯1包括多根螺旋缠绕的铜丝7，每根铜丝7的外表面均设置有镀锡层8，该电缆的缆芯1通过多个镀锡铜丝7螺旋缠绕而成，使该结构导电性能优，稳定性能好，使用寿命长。
保护层包括由内之外依次设置的绝缘层2、空气层3以及阻燃层4，绝缘层2为环氧树脂和热塑型酚醛树脂的混合层，绝缘层2由环氧树脂和热塑性酚醛树脂混合，能够有效的防止内部的电性导致缆线保护层的氧化，使得绝缘的效果更好。
空气层3为真空层，将空气层3内空气通过抽气泵抽出，使其内部真空，能够有效避氧气使绝缘层2氧化，有效减缓绝缘层2的老化。增加绝缘层2的实用寿命；空气层3内沿线芯长度方向设置有若干组呈圆形分布的弹性块5，弹性块5的两端分别与绝缘层2与阻燃层4固定连接，弹性块5能够使该电缆的保护层具有一定的弹性，使电缆具有一定的击打性。
阻燃层4为聚氯乙烯与丁苯橡胶混合的橡胶层，阻燃层4采用聚氯乙烯与丁苯橡胶制成，能够提高电缆的耐油性和阻燃性，阻燃层4外还设有表层6，表层6为PTFE层，PTFE层为PTFE乳液，在耐热层的外表面PTFE乳液上其凝结后形成PTFE层，使该电缆的耐热性和耐磨损性大大提高。
除此之外，表层6外设有防水涂料层9，防水涂料层9为高弹橡胶防水涂料，其具有不怕漏水、不怕老化、不怕开裂变形、不怕穿刺等特点，能够使该电缆具有防水效果，有效避免该电缆在阴雨天气雨水侵入电缆内导致电缆漏电，造成危险。

Claims (5)

1.一种高阻燃耐候性电缆，其特征在于，包括缆芯(1)和设置在缆芯(1)外的保护层，所述保护层包括由内之外依次设置的绝缘层(2)、空气层(3)以及阻燃层(4)，所述绝缘层(2)为环氧树脂和热塑型酚醛树脂的混合层，所述空气层(3)内沿线芯长度方向设置有若干组呈圆形分布的弹性块(5)，所述弹性块(5)的两端分别与绝缘层(2)与阻燃层(4)固定连接，所述阻燃层(4)为聚氯乙烯与丁苯橡胶混合的橡胶层，所述阻燃层(4)外还设有表层(6)。
2.根据权利要求1所述的一种高阻燃耐候性电缆，其特征在于，所述缆芯(1)包括多根螺旋缠绕的铜丝(7)，每根所述铜丝(7)的外表面均设置有镀锡层(8)。
3.根据权利要求1所述的一种高阻燃耐候性电缆，其特征在于，所述空气层(3)为真空层。
4.根据权利要求3所述的一种高阻燃耐候性电缆，其特征在于，所述表层(6)为PTFE层。
5.根据权利要求4所述的一种高阻燃耐候性电缆，其特征在于，所述表层(6)外设有防水涂料层(9)。
CN201910434873.6A 2019-05-23 2019-05-23 一种高阻燃耐候性电缆 Pending CN110111928A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117214779A (zh) * 2023-11-07 2023-12-12 国网辽宁省电力有限公司 一种变压器故障监测装置

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117214779A (zh) * 2023-11-07 2023-12-12 国网辽宁省电力有限公司 一种变压器故障监测装置
CN117214779B (zh) * 2023-11-07 2024-01-30 国网辽宁省电力有限公司 一种变压器故障监测装置

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Application publication date: 20190809