CN110544556A - 一种风力发电用电缆 - Google Patents

一种风力发电用电缆 Download PDF

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CN110544556A
CN110544556A CN201810519955.6A CN201810519955A CN110544556A CN 110544556 A CN110544556 A CN 110544556A CN 201810519955 A CN201810519955 A CN 201810519955A CN 110544556 A CN110544556 A CN 110544556A
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陈品品
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    • 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
    • H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08—Several wires or the like stranded in the form of a rope
    • 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
    • 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
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • 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
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2806—Protection against damage caused by corrosion
    • 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
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • 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
    • 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
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract

本发明涉及一种风力发电用电缆。所述的电缆包括缆芯，所述的缆芯外依次设置阻水带绕包层，镀锡铜丝编织屏蔽层、芳纶纤维编织加强层、外护套层；所述的缆芯由四组绝缘线芯和填充层绞合而成；所述的绝缘线芯由导体、绕包在导体上的隔离层、挤包在隔离层上的绝缘层构成。本发明作为一种风力发电设备用柔性控制电缆，在复杂场合下具有良好的防电磁干扰、抗扭转、环保、耐油、防紫外线，同时具有控制信号、电能传输双重功能和柔软性。

Description

一种风力发电用电缆
技术领域
本发明涉及一种电缆，尤其涉及一种风力发电用电缆。
背景技术
风能的清洁性、可再生性、资源广泛性使其备受瞩目，成为所有新能源中最具规模、技术最成熟、最有商业发展前景的发电模式。风力发电正在成为世界上增长最快的能源项目。中国风能储量丰富，分布广阔，对发展风力发电有着广阔的市场前景。由于风能发电一般都建在沿海岛屿、边远山区和地广人稀的大草原，成年累月接受大风大雨的洗礼和烈日炎炎的暴晒及冰雪冬日的严寒考验。风力发电的环境恶劣，风机使用年限要求较长，且电缆随风机不断旋转，因此对风力电缆的性能要求较高。我国风力发电专用电缆主要依靠进口，特别是控制系统用电缆，风力发电设备用柔性控制电缆的国产化迫在眉睫。
发明内容
本发明为了解决以上问题提供了一种抗扭绞、耐环境性能优异的低风速风能发电设备用柔性电缆。
本发明的技术方案是：所述的电缆包括缆芯，所述的缆芯外依次设置阻水带绕包层，镀锡铜丝编织屏蔽层、芳纶纤维编织加强层、外护套层；
所述的缆芯由四组绝缘线芯和填充层绞合而成；
所述的绝缘线芯由导体、绕包在导体上的隔离层、挤包在隔离层上的绝缘层构成；
所述的导体是采用若干根数退火镀锡软铜丝，先束合成股线后再采用复绞的方式绞合而成，束绞、复绞均采用同向绞合，提高电缆的柔软度和耐扭曲、弯曲性能；
所述的隔离层采用深灰色超薄聚酯带，厚度在0.04-0.05mm之间，搭盖率30%，超薄型的设计可以减少外径尺寸；
所述的绝缘层采用改性乙丙橡胶材料，具有优异的电绝缘性能和耐电晕性能，同时还具有耐气候、耐臭氧、耐热、耐酸碱特性，且材质柔软；
所述的芳纶纤维编织加强层，一方面保证其具有较好的抗拉作用，另一方面在电缆扭转过程中，增强了缆芯与外护层之间的相对滑移性，减少了缆芯与外护层之间的摩擦力，有利于延长使用寿命；
所述的外护套层采用氯化聚乙烯材料，所述的外护套层与芳纶纤维编织加强层之间填充有流体层，所述的流体层由下列重量份的原料构成，钛酸四正丁酯15份、石棉25份、二乙醇胺30份，使产品具有优异的耐扭、耐臭氧性、耐大气老化性、耐化学腐蚀性及耐热、耐低温性、耐油性、阻燃性。
本发明作为一种风力发电设备用柔性控制电缆，在复杂场合下具有良好的防电磁干扰、抗扭转、环保、耐油、防紫外线，同时具有控制信号、电能传输双重功能和柔软性。
附图说明
图1是本发明的结构示意图。
图中1是导体，2是隔离层，3是绝缘层，4是填充层，5是阻水带绕包层，6是屏蔽层，7是加强层，8是外护套层。
具体实施方式
一种风力发电用电缆，所述的电缆包括缆芯，所述的缆芯外依次设置阻水带绕包层5，镀锡铜丝编织屏蔽层6、芳纶纤维编织加强层7、外护套层8；
所述的缆芯由四组绝缘线芯和填充层4绞合而成；
所述的绝缘线芯由导体1、绕包在导体1上的隔离层2、挤包在隔离层2上的绝缘层3构成。
所述的导体1是采用若干根数退火镀锡软铜丝，先束合成股线后再采用复绞的方式绞合而成，束绞、复绞均采用同向绞合，提高电缆的柔软度和耐扭曲、弯曲性能。
所述的隔离层2采用深灰色超薄聚酯带，厚度在0.04-0.05mm之间，搭盖率30%。
所述的绝缘层3采用改性乙丙橡胶材料，具有优异的电绝缘性能和耐电晕性能，同时还具有耐气候、耐臭氧、耐热、耐酸碱特性，且材质柔软。
所述的芳纶纤维编织加强层7，一方面保证其具有较好的抗拉作用，另一方面在电缆扭转过程中，增强了缆芯与外护层之间的相对滑移性，减少了缆芯与外护层之间的摩擦力，有利于延长使用寿命。
所述的外护套层8采用氯化聚乙烯材料，所述的外护套层8与芳纶纤维编织加强层7之间填充有流体层，所述的流体层由下列重量份的原料构成，钛酸四正丁酯15份、石棉25份、二乙醇胺30份。
以上实施例仅用以说明本发明而并非限制本发明所描述的技术方案；因此，尽管本说明书参照上述的各个实施例对本发明已进行了详细的说明，但是，本领域的普通技术人员应当理解，仍然可以对本发明进行修改或等同替换；而一切不脱离本发明的精神和范围的技术方案及其改进，其均应涵盖在本发明的权利要求范围中。

Claims (1)

1.一种风力发电用电缆，其特征在于：所述的电缆包括缆芯，所述的缆芯外依次设置阻水带绕包层，镀锡铜丝编织屏蔽层、芳纶纤维编织加强层、外护套层；
所述的缆芯由四组绝缘线芯和填充层绞合而成；
所述的绝缘线芯由导体、绕包在导体上的隔离层、挤包在隔离层上的绝缘层构成；所述的导体是采用若干根数退火镀锡软铜丝，先束合成股线后再采用复绞的方式绞合而成，束绞、复绞均采用同向绞合，提高电缆的柔软度和耐扭曲、弯曲性能；
所述的隔离层采用深灰色超薄聚酯带，厚度在0.04-0.05mm之间，搭盖率30%；
所述的绝缘层采用改性乙丙橡胶材料，具有优异的电绝缘性能和耐电晕性能，同时还具有耐气候、耐臭氧、耐热、耐酸碱特性，且材质柔软；
所述的芳纶纤维编织加强层，一方面保证其具有较好的抗拉作用，另一方面在电缆扭转过程中，增强了缆芯与外护层之间的相对滑移性，减少了缆芯与外护层之间的摩擦力，有利于延长使用寿命；
所述的外护套层采用氯化聚乙烯材料，所述的外护套层与芳纶纤维编织加强层之间填充有流体层，所述的流体层由下列重量份的原料构成，钛酸四正丁酯15份、石棉25份、二乙醇胺30份。
CN201810519955.6A 2018-05-28 2018-05-28 一种风力发电用电缆 Pending CN110544556A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111710464A (zh) * 2020-07-10 2020-09-25 无锡市华美电缆有限公司 耐高温高压电缆及制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111710464A (zh) * 2020-07-10 2020-09-25 无锡市华美电缆有限公司 耐高温高压电缆及制备方法

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Application publication date: 20191206