CN108666019A - 一种带有自粘丝的换位导线 - Google Patents
一种带有自粘丝的换位导线 Download PDFInfo
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- CN108666019A CN108666019A CN201710195808.3A CN201710195808A CN108666019A CN 108666019 A CN108666019 A CN 108666019A CN 201710195808 A CN201710195808 A CN 201710195808A CN 108666019 A CN108666019 A CN 108666019A
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- 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
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
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- 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
- H01B7/0291—Disposition of insulation comprising two or more layers of insulation having different electrical properties
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- 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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- 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
- H01B7/1845—Sheaths comprising perforations
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- 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
- H01B7/1875—Multi-layer sheaths
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- 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
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
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Abstract
本发明提出了一种带有自粘丝的换位导线,包括两根平行排列的带有第一绝缘漆层的金属导线、两根金属导线外侧覆盖的自粘丝层、自粘丝层外侧覆盖的多孔隙聚丙烯层、多孔隙聚丙烯层外侧覆盖的第二绝缘漆层。本发明提出了一种带有自粘丝的换位导线,结构简单,在覆盖聚丙乙烯时,通入大量气体,形成大量孔隙,提高电磁线的抗压能力,多孔隙聚丙烯层内外两侧分别设置有第一绝缘漆层和第二绝缘漆层,防止漏电,提高电磁线的稳定性,两根金属导线外侧设置有自粘丝,提高换位导线受热后的稳定性,在受到挤压时不易变形。
Description
技术领域
本发明涉及一种换位导线,具体涉及一种带有自粘丝的换位导线。
背景技术
换位导线是近年来在变压器生产领域中广泛应用的一种新材料。随着变压器容量的增加,绕组导线的截面积也必将按一定比例增大。但是,由于受电气损耗指标、导线生产工艺条件及用户使用条件等诸多因素的限制、不可能生产出特大截面的导线,于是便产生了新的绕组导线-换位导线。现在技术的换位导线是将多棵单根的优质漆包铜扁线或纸包扁线在专用的换位导线设备上依次交换排列位置进行换位。最后,在换位后的多根漆包线的外层包覆绝缘纸。但是现有技术中多根漆包线之间没有相应的粘连材质,受热或者受到挤压后容易发生形变。
发明内容
为了解决上述问题,本发明提出了一种带有自粘丝的换位导线。
本发明的技术方案是:一种带有自粘丝的换位导线,包括两根平行排列的带有第一绝缘漆层的金属导线、两根金属导线外侧覆盖的自粘丝层、自粘丝层外侧覆盖的多孔隙聚丙烯层、多孔隙聚丙烯层外侧覆盖的第二绝缘漆层。
进一步地,所述的第一绝缘漆层为聚酯薄膜,第一绝缘漆层为圆形结构,第一绝缘漆层为烘干型绝缘漆。
进一步地,所述的第二绝缘漆层为聚酰亚胺薄膜,第二绝缘漆层为矩形结构,第二绝缘漆层为烘干型绝缘漆。
进一步地,所述的金属导线为圆形结构,金属导线为铜制。
进一步地,所述的多孔隙聚丙烯层为矩形结构,覆盖聚丙乙烯时,通入大量气体,在气体作用下形成大量孔隙。
有益效果
本发明提出了一种带有自粘丝的换位导线,结构简单,在覆盖聚丙乙烯时,通入大量气体,形成大量孔隙,提高电磁线的抗压能力,多孔隙聚丙烯层内外两侧分别设置有第一绝缘漆层和第二绝缘漆层,防止漏电,提高电磁线的稳定性,两根金属导线外侧设置有自粘丝,提高换位导线受热后的稳定性,在受到挤压时不易变形。
附图说明
图1为本发明的结构示意图。
图中,1-第二绝缘漆层、2-多孔隙聚丙烯层、3-自粘丝层、4-第一绝缘漆层、5-金属导线。
具体实施方式
下面结合附图对本发明的一种带有自粘丝的换位导线作详细说明。
如图1所示,一种带有自粘丝的换位导线,包括两根平行排列的带有第一绝缘漆层4的金属导线5、两根金属导线5外侧覆盖的自粘丝层3、自粘丝层3外侧覆盖的多孔隙聚丙烯层2、多孔隙聚丙烯层2外侧覆盖的第二绝缘漆层1;所述的第一绝缘漆层4为聚酯薄膜,第一绝缘漆层4为圆形结构,第一绝缘漆层4为烘干型绝缘漆;所述的第二绝缘漆层1为聚酰亚胺薄膜,第二绝缘漆层1为矩形结构,第二绝缘漆层1为烘干型绝缘漆;所述的金属导线5为圆形结构,金属导线5为铜制;所述的多孔隙聚丙烯层2为矩形结构,覆盖聚丙乙烯时,通入大量气体,在气体作用下形成大量孔隙。
以上所述,仅是本发明的较佳实施例而已,并非对本发明作任何形式上的限制,虽然本发明已以较佳实施例揭露如上,然而并非用以限定本发明,任何熟悉本专业的技术人员,在不脱离本发明技术方案范围内,当可利用上述揭示的技术内容作出些许更动或修饰为等同变化的等效实施例,但凡是未脱离本发明技术方案的内容,依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本发明技术方案的范围内。
Claims (5)
1.一种带有自粘丝的换位导线,其特征在于:包括两根平行排列的带有第一绝缘漆层的金属导线、两根金属导线外侧覆盖的自粘丝层、自粘丝层外侧覆盖的多孔隙聚丙烯层、多孔隙聚丙烯层外侧覆盖的第二绝缘漆层。
2.根据权利要求1所述的一种带有自粘丝的换位导线,其特征在于:所述的第一绝缘漆层为聚酯薄膜,第一绝缘漆层为圆形结构,第一绝缘漆层为烘干型绝缘漆。
3.根据权利要求1所述的一种带有自粘丝的换位导线,其特征在于:所述的第二绝缘漆层为聚酰亚胺薄膜,第二绝缘漆层为矩形结构,第二绝缘漆层为烘干型绝缘漆。
4.根据权利要求1所述的一种带有自粘丝的换位导线,其特征在于:所述的金属导线为圆形结构,金属导线为铜制。
5.根据权利要求1所述的一种带有自粘丝的换位导线,其特征在于:所述的多孔隙聚丙烯层为矩形结构,覆盖聚丙乙烯时,通入大量气体,在气体作用下形成大量孔隙。
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