CN108109759A - 耐高温光伏电缆及施工方法 - Google Patents

耐高温光伏电缆及施工方法 Download PDF

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Publication number
CN108109759A
CN108109759A CN201810102591.1A CN201810102591A CN108109759A CN 108109759 A CN108109759 A CN 108109759A CN 201810102591 A CN201810102591 A CN 201810102591A CN 108109759 A CN108109759 A CN 108109759A
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high temperature
thermal insulation
outer layer
photovoltaic cable
insulating outer
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CN201810102591.1A
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English (en)
Inventor
魏悦
吴迪
吴兆成
王学军
杨兆华
刘晓磊
李亚妮
谢本亮
张涛
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DAXINGANLING POWER SUPPLY COMPANY STATE GRID HEILONGJIANG ELECTRIC POWER Co Ltd
State Grid Corp of China SGCC
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DAXINGANLING POWER SUPPLY COMPANY STATE GRID HEILONGJIANG ELECTRIC POWER Co Ltd
State Grid Corp of China SGCC
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Priority to CN201810102591.1A priority Critical patent/CN108109759A/zh
Publication of CN108109759A publication Critical patent/CN108109759A/zh
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1895Internal space filling-up means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22Sheathing; Armouring; Screening; Applying other protective layers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/02Disposition of insulation
    • H01B7/0258Disposition of insulation comprising one or more longitudinal lapped layers of insulation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/295Protection against damage caused by extremes of temperature or by flame using material resistant to flame

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)

Abstract

耐高温光伏电缆及施工方法。现有的光伏电缆设计比较传统,耐高温性能差,长期受到阳光照射便会导致老化开裂失效,使用寿命不长。本发明组成包括:导体(1)和设置在所述的导体外侧的绝缘外层(3),所述的导体和所述的绝缘外层之间填充有隔温填料(2),所述的绝缘外层上部分别与一组半圆形遮阳挡板(4)通过弹簧(7)连接,相邻两个所述的遮阳挡板之间通过塑料布(6)连接,所述的遮阳挡板的凹陷面设置有一层隔温内垫(5)。本发明用于耐高温光伏电缆及施工方法。

Description

耐高温光伏电缆及施工方法
技术领域:
本发明涉及通信设备领域,具体涉及一种耐高温光伏电缆及施工方法。
背景技术:
光伏电缆是在太阳能光伏发电系统中低压直流输送部分使用的电缆。光伏电缆经常表露在阳光之下,太阳能光伏体系经常会在高温环境下使用,如高温和紫外线辐射,这回导致光伏电缆的外层绝缘层提前老化失效,现有的光伏电缆设计比较传统,耐高温性能差,长期受到阳光照射便会导致老化开裂失效,使用寿命不长。
发明内容:
本发明的目的是解决现有的光伏电缆耐高温性能差,长期受到阳光照射导致老化开裂失效,使用寿命不长的问题,提供一种可有效防止太阳的紫外线辐射影响,耐高温性能好,使用寿命长的耐高温光伏电缆及施工方法。
上述的目的通过以下的技术方案实现:
一种耐高温光伏电缆,其组成包括:导体和设置在所述的导体外侧的绝缘外层,所述的导体和所述的绝缘外层之间填充有隔温填料,所述的绝缘外层上部分别与一组半圆形遮阳挡板通过弹簧连接,相邻两个所述的遮阳挡板之间通过塑料布连接,所述的遮阳挡板的凹陷面设置有一层隔温内垫。
所述的耐高温光伏电缆,所述的遮阳挡板的内径大于所述的绝缘外层外径的3倍。
所述的耐高温光伏电缆,所述的塑料布的宽度小于2cm。
所述的耐高温光伏电缆,所述的隔温内垫的厚度为3-6mm。
所述的耐高温光伏电缆,所述的隔温填料的厚度为2-5mm。
所述的耐高温光伏电缆,所述的绝缘外层的外径与所述的隔温内垫的内径之间的垂直距离为2-4cm。
一种耐高温光伏电缆的施工方法,该方法包括如下步骤:首先将导体进行绑扎套上绝缘外层,然后在导体与绝缘外层之间填充满隔温填料,填充好隔温填料后将这样挡板凹陷面粘接一层隔温内垫,然后将弹簧的两端通过螺钉固定在隔温内垫和绝缘外层上,绝缘外层与半圆形遮阳挡板同心布置,最后在两个相邻的遮阳挡板之间安装塑料布。
有益效果:
1.本发明是遮阳挡板放置在绝缘外层上方,遮阳挡板便可完全覆盖住绝缘外层,从而可以避免阳光直射绝缘外层,防止光伏电缆温度过高,隔温内垫和隔温填料均具有良好的隔温效果,可以进一步提高该光伏电缆的耐高温性能,该耐高温光伏电缆可有效防止太阳的紫外线辐射影响,具有良好的耐高温性能,使用寿命长。
本发明遮阳挡板的内径比绝缘外层的外径大3倍以上,隔温内垫的厚度为3-6mm,隔温填料的厚度为2-5mm,绝缘外层的外径与隔温内垫的内径之间的垂直距离为2-4cm,可保障遮阳挡板与绝缘外层之间具有足够的空间隔温。
本发明的绝缘外层由橡胶材料制造,不仅绝缘性能良好,而且柔韧性良好,隔温填料由纳米陶瓷空心微珠制造,具有超强的隔温性能,遮阳挡板和弹簧均由不锈钢制造,坚固耐用,而且耐腐蚀性能好。
本发明的相邻的遮阳挡板用塑料布连接是为了布线时方便该耐高温光伏电缆转弯,而塑料布的宽度不大于2cm,保证光伏电缆的遮阳耐高温性能。
附图说明:
附图1是本发明的主视图;
附图2是本发明的左视图;
图中:1、导体;2、隔温填料;3、绝缘外层;4、遮阳挡板;5、隔温内垫;6、塑料布;7、弹簧。
具体实施方式:
实施例1:
一种耐高温光伏电缆,其组成包括:导体1和设置在所述的导体外侧的绝缘外层3,所述的导体和所述的绝缘外层之间填充有隔温填料2,隔温填料由纳米陶瓷空心微珠制造,具有超强的隔温性能,所述的绝缘外层上部分别与一组半圆形遮阳挡板4通过弹簧7连接,相邻两个所述的遮阳挡板之间通过塑料布6连接,所述的遮阳挡板的凹陷面设置有一层隔温内垫5,隔温内垫由塑料泡沫材料制造,具有良好的隔温性能,隔温内垫通过粘结剂与遮阳挡板粘结。
实施例2:
根据实施例1所述的耐高温光伏电缆,所述的遮阳挡板的内径大于所述的绝缘外层外径的3倍。
实施例3:
根据实施例1或2所述的耐高温光伏电缆,所述的塑料布的宽度小于2cm。
实施例4:
根据实施例1或2或3所述的耐高温光伏电缆,所述的隔温内垫的厚度为3-6mm。
实施例5:
根据实施例1或2或3或4所述的耐高温光伏电缆,所述的隔温填料的厚度为2-5mm。
实施例6:
根据实施例1或2或3或4或5所述的耐高温光伏电缆,所述的绝缘外层的外径与所述的隔温内垫的内径之间的垂直距离为2-4cm。
实施例7:
一种实施例1-6之一耐高温光伏电缆的施工方法,该方法包括如下步骤:首先将导体进行绑扎套上绝缘外层,然后在导体与绝缘外层之间填充满隔温填料,填充好隔温填料后将这样挡板凹陷面粘接一层隔温内垫,然后将弹簧的两端通过螺钉固定在隔温内垫和绝缘外层上,绝缘外层与半圆形遮阳挡板同心布置,最后在两个相邻的遮阳挡板之间安装塑料布。

Claims (7)

1.一种耐高温光伏电缆,其组成包括:导体和设置在所述的导体外侧的绝缘外层,其特征是:所述的导体和所述的绝缘外层之间填充有隔温填料,所述的绝缘外层上部分别与一组半圆形遮阳挡板通过弹簧连接,相邻两个所述的遮阳挡板之间通过塑料布连接,所述的遮阳挡板的凹陷面设置有一层隔温内垫。
2.根据权利要求1所述的耐高温光伏电缆,其特征是:所述的遮阳挡板的内径大于所述的绝缘外层外径的3倍。
3.根据权利要求1或2所述的耐高温光伏电缆,其特征是:所述的塑料布的宽度小于2cm。
4.根据权利要求1或2或3所述的耐高温光伏电缆,其特征是:所述的隔温内垫的厚度为3-6mm。
5.根据权利要求1或2或3或4所述的耐高温光伏电缆,其特征是:所述的隔温填料的厚度为2-5mm。
6.根据权利要求1或2或3或4或5所述的耐高温光伏电缆,其特征是:所述的绝缘外层的外径与所述的隔温内垫的内径之间的垂直距离为2-4cm。
7.一种权利要求1-6之一所述的耐高温光伏电缆的施工方法,其特征是:该方法包括如下步骤:首先将导体进行绑扎套上绝缘外层,然后在导体与绝缘外层之间填充满隔温填料,填充好隔温填料后将这样挡板凹陷面粘接一层隔温内垫,然后将弹簧的两端通过螺钉固定在隔温内垫和绝缘外层上,绝缘外层与半圆形遮阳挡板同心布置,最后在两个相邻的遮阳挡板之间安装塑料布。
CN201810102591.1A 2018-02-01 2018-02-01 耐高温光伏电缆及施工方法 Pending CN108109759A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201829216U (zh) * 2010-09-26 2011-05-11 安徽华能电缆集团有限公司 太阳能光伏发电专用耐候型环保电缆
US20110253408A1 (en) * 2010-04-16 2011-10-20 Rockbestos Surprenant Cable Corp. Method and System for a Down-hole Cable having a Liquid Bonding Material
CN207718914U (zh) * 2017-12-25 2018-08-10 江苏新金牛线缆有限公司 新型光伏电缆

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110253408A1 (en) * 2010-04-16 2011-10-20 Rockbestos Surprenant Cable Corp. Method and System for a Down-hole Cable having a Liquid Bonding Material
CN201829216U (zh) * 2010-09-26 2011-05-11 安徽华能电缆集团有限公司 太阳能光伏发电专用耐候型环保电缆
CN207718914U (zh) * 2017-12-25 2018-08-10 江苏新金牛线缆有限公司 新型光伏电缆

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