CN107945966A - 一种电机引接电缆 - Google Patents

一种电机引接电缆 Download PDF

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CN107945966A
CN107945966A CN201711333536.5A CN201711333536A CN107945966A CN 107945966 A CN107945966 A CN 107945966A CN 201711333536 A CN201711333536 A CN 201711333536A CN 107945966 A CN107945966 A CN 107945966A
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孙大奎
徐凌云
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XINGLE CABLE 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
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0258—Disposition of insulation comprising one or more longitudinal lapped 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
    • H01B7/04—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
    • 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
    • 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
    • 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
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H01B7/221—Longitudinally placed metal wires or tapes
    • H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer 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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/24—Devices affording localised protection against mechanical force or pressure
    • 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

Abstract

一种电机引接电缆，若干镀锡软铜线通过一定的节距绞合成股线，若干股线按照一定的节距复绞成软导体，若干软导体按一定的搭盖率绕包一层超薄型隔离带，超薄型隔离带外挤包硅橡胶绝缘，硅橡胶绝缘外编织镀锡软铜丝屏蔽层，镀锡软铜丝屏蔽层外挤包一层阻燃硅橡胶护套保护层，阻燃硅橡胶护套保护层外编织耐高温玻璃纤维加强层，耐高温玻璃纤维加强层外涂覆低烟无卤阻燃硅橡胶护套保护层。

Description

一种电机引接电缆
技术领域
本发明涉及一种电缆，尤其是指一种电机引接电缆。
背景技术
中国专利曾公开了一种镀银铜丝屏蔽电机引接软电缆(201510046312.0)，它是由镀银退火铝导体缆芯、金属软管以及五层保护层组成。镀银退火铝导体缆芯设置有三组，每组镀银退火铝导体缆芯内部挤包三组镀银退火铝导体线芯、一个镀银镍丝引流线以及四层外护套层，五层保护层由内而外依次为内镀银铜丝屏蔽层、聚全氟聚乙烯绝缘层、外镀银铜丝屏蔽层、镍带铠装层以及低烟无卤乙丙烯护套层。该种电缆具有阻燃耐高温、耐氧化的特点，抗拉性强，可广泛应用于船舶电机等领域，而且电缆安装后稳固，平衡性强。
中国专利曾公开了一种180℃电机引接引流软电缆(201620069183.7)，它是由导体缆芯以及七层外保护层组成。七层外保护层由内而外依次为镀锡铜丝屏蔽层、聚酯纤维层、聚氯乙丙烯绝缘层、铜塑铝带复合膜包带层、聚全氟乙丙烯绝缘层、镀银钢带铠装层以及氯磺化聚乙烯护套层，所述导体缆芯设置有两组，两组导体缆芯挤包在镀锡铜丝屏蔽层、聚酯纤维层以及聚氯乙丙烯绝缘层之间，每组导体缆芯内部挤包三组镀锡退火铜导体线芯，每组镀锡退火铜导体线芯内部挤包九根镀锡退火铜导体。该种电缆防水性强，引流效果好，最高工作温度达180℃，适合电机上使用，电缆最低敷设温度不低于-15℃。
电机引接电缆是将绕组接出至接线盒，承受电机电器的全部电流、全部电压并能适应电机内部的高温、高热环境。传统的橡胶绝缘电机引接电缆按产品结构不同分两种，一种为护套型一种为不带护套型，护套型电机引接电缆最高长期工作温度达90℃，非护套型电缆最高长期工作温度为180℃。国内有很多厂家都能生产电机引接电缆，但是其性能并不理想，由于引接线的发热损坏、接触不良而造成电机整机击穿、发热、烧毁的现象时有发生，严重影响电机总装的工艺性和实际运行中的可靠性。另外针对特殊场合使用的电机引接电缆，例如特种车辆用高频永磁电机引接电缆，目前均依赖进口，国内暂无厂家可做出符合客户需求的产品，但每年需求量很大。
目前传统的硅橡胶绝缘电机引接电缆，产品结构为导体采用五类镀锡铜导体，导体外绕包隔离层，隔离层外挤包硅橡胶绝缘层。此产品结构柔软，能在高温、低温中保持良好的电性能和柔软性。但由于其硅橡胶本身容易撕裂，产品结构无护套层保护，此种传统结构已无法满足现在客户的需求。
发明内容
本发明的目的是针对传统电缆的结构缺陷，提供一种高抗磁、无卤低烟阻燃、防水、高抗拉、强柔韧、长寿命、耐腐蚀的屏蔽型双层护套保护层电机引接电缆。
为达到上述目的，本发明采取的解决方案是：一种电机引接电缆，若干镀锡软铜线通过一定的节距绞合成股线，若干股线按照一定的节距复绞成软导体，若干软导体按一定的搭盖率绕包一层超薄型隔离带，超薄型隔离带外挤包硅橡胶绝缘，硅橡胶绝缘外编织镀锡软铜丝屏蔽层，镀锡软铜丝屏蔽层外挤包一层阻燃硅橡胶护套保护层，阻燃硅橡胶护套保护层外编织耐高温玻璃纤维加强层，耐高温玻璃纤维加强层外涂覆低烟无卤阻燃硅橡胶护套保护层。
该种电机引接电缆，采用若干镀锡软铜线通过一定的节距绞合成股线，再由股线按照一定的节距复绞成软导体，在软导体外部按一定的搭盖率绕包一层超薄型隔离带，通过挤橡机挤包橡胶绝缘，再利用编织设备编织屏蔽层，编织屏蔽层外采用硅橡胶挤出机挤包一层硅橡胶护套保护层。硅橡胶护套层外采用专用玻璃纤维编织机编织高强度玻璃纤维层，在利用液体硅胶涂覆设备涂覆硅胶保护层。它与已有技术相比，具有以下积极效果：(1)在传统电机引接电缆的基础上增加了镀锡软铜丝编织屏蔽层，为适用于特殊场合使用的高频永磁电机，提供了良好的内外电磁屏蔽干扰的性能。(2)在电缆护套层外，采用高强度玻璃纤维编织+液体阻燃硅橡胶涂覆的双层护套保护层结构。其中玻璃纤维拉伸强度高，伸长小，柔软性佳，吸水性小，不燃性、耐化学性佳等特性，配合树脂赋予形状后可成为优良的护套保护层。涂覆层采用阻燃液体硅橡胶，胶体具有粘度低、流动性好，涂覆方便，经过高温烘箱硫化后，涂覆层具有优良的耐热性、阻燃性能，且耐紫外线、耐大气老化，可在-100℃～200℃长期使用，具有较好的隔水防潮性能。此双层护套保护层使产品具有耐热辐射、耐寒、耐酸碱及腐蚀性气体、防水、环保等特性。
该种电机引接电缆根据传统电缆的不足结合客户的特殊要求，从原材料和产品结构设计方面出发，是一款额定电压1000V，耐高低温、耐浸渍漆、使用寿命长、屏蔽型硅橡胶绝缘硅橡胶护套电机引接电缆。
附图说明
图1为本实施例的剖面示意图。
图中：1、软导体，2、超薄型隔离带，3、硅橡胶绝缘，4、镀锡软铜丝屏蔽层，5、阻燃硅橡胶护套保护层，6、耐高温玻璃纤维加强层，7、低烟无卤阻燃硅橡胶护套保护层。
具体实施方式
下面结合实施例及其附图对本发明再作描述。
参见图1，一种电机引接电缆，若干镀锡软铜线通过一定的节距绞合成股线，若干股线按照一定的节距复绞成软导体1，若干软导体1按一定的搭盖率绕包一层超薄型隔离带2，超薄型隔离带2外挤包硅橡胶绝缘3，硅橡胶绝缘3外编织镀锡软铜丝屏蔽层4，镀锡软铜丝屏蔽层4外挤包一层阻燃硅橡胶护套保护层5，阻燃硅橡胶护套保护层5编织外耐高温玻璃纤维加强层6，耐高温玻璃纤维加强层6外涂覆低烟无卤阻燃硅橡胶护套保护层7。
参见图1，它是一款额定电压1000V，高温、耐磨、屏蔽型硅橡胶绝缘硅橡胶护套电机引接电缆。与传统电机电缆相比，此产品具有耐热辐射、耐寒、耐酸碱及腐蚀性气体、防水、环保等特性，电缆结构柔软，辐射方便，高温(高寒)环境下电气性能稳定，抗老化性能突出，使用寿命长，不仅适用于电机引接用，而且广泛用于冶金、电力、电子、汽车制造等行业。
参见图1，该电缆除具有传统电缆绝缘层及护套保护层外，为适用于军用特种车辆高频永磁电机，电缆绝缘与护套之间，增加了镀锡铜丝编织层，起到了良好的内外电磁屏蔽干扰的性能。此外为解决传统硅橡胶撕裂，安装敷设时电缆易损伤，电缆护套层外，采用高强度玻璃纤维编织+液体阻燃硅橡胶涂覆的双层护套保护层结构。其中玻璃纤维拉伸强度高，伸长小，柔软性佳，吸水性小，不燃性，耐化学性佳等特性，配合树脂赋予形状后可成为优良的护套保护层。涂覆层采用阻燃液体硅橡胶，胶体具有粘度低、流动性好，涂覆方便，经过高温烘箱硫化后，涂覆层具有优良的耐热性、阻燃性能，且耐紫外线、耐大气老化性，可在-100℃～200℃长期使用，具有较好的隔水防潮性能。

Claims (1)

1.一种电机引接电缆，若干镀锡软铜线通过一定的节距绞合成股线，若干股线按照一定的节距复绞成软导体(1)，若干软导体(1)按一定的搭盖率绕包一层超薄型隔离带(2)，超薄型隔离带(2)外挤包硅橡胶绝缘(3)，其特征是：硅橡胶绝缘(3)外编织镀锡软铜丝屏蔽层(4)，镀锡软铜丝屏蔽层(4)外挤包一层阻燃硅橡胶护套保护层(5)，阻燃硅橡胶护套保护层(5)编织外耐高温玻璃纤维加强层(6)，耐高温玻璃纤维加强层(6)外涂覆低烟无卤阻燃硅橡胶护套保护层(7)。
CN201711333536.5A 2017-12-09 2017-12-09 一种电机引接电缆 Pending CN107945966A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112331395A (zh) * 2020-10-27 2021-02-05 江苏亨通电力电缆有限公司 一种电机引接电缆及其制备方法和应用

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112331395A (zh) * 2020-10-27 2021-02-05 江苏亨通电力电缆有限公司 一种电机引接电缆及其制备方法和应用

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