WO2018041219A1 - 一种阻燃热塑性弹性体电缆 - Google Patents

一种阻燃热塑性弹性体电缆 Download PDF

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Publication number
WO2018041219A1
WO2018041219A1 PCT/CN2017/099921 CN2017099921W WO2018041219A1 WO 2018041219 A1 WO2018041219 A1 WO 2018041219A1 CN 2017099921 W CN2017099921 W CN 2017099921W WO 2018041219 A1 WO2018041219 A1 WO 2018041219A1
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WO
WIPO (PCT)
Prior art keywords
flame
retardant
halogen
cable
layer
Prior art date
Application number
PCT/CN2017/099921
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English (en)
French (fr)
Inventor
王达伟
黄钰
Original Assignee
江苏中利集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏中利集团股份有限公司 filed Critical 江苏中利集团股份有限公司
Publication of WO2018041219A1 publication Critical patent/WO2018041219A1/zh

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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
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame

Definitions

  • the utility model relates to a cable, in particular to a flame-retardant thermoplastic elastomer cable.
  • a flame-retardant thermoplastic elastomer cable comprising an outer sheath, a first flame-retardant layer disposed outside the outer sheath, the first flame-retardant layer being separated by a plurality of first dividing strips, the first flame retardant
  • the material of the layer is a halogen-free flame-retardant material
  • the material of the first separation tape is a halogen-containing flame-retardant material
  • the outer sheath is provided with a cable inner core, and the inner core of the cable is filled with a filler
  • the cable inner core comprises a conductor and an insulating layer and a second flame-retardant layer which are sequentially coated outside the conductor, the second flame-retardant layer is separated by a plurality of second dividing strips, and the material of the second flame-retardant layer is none
  • the halogen flame retardant material, the material of the second separator tape is a halogen-containing flame retardant material.
  • the thickness of the second separation strip is greater than the thickness of the second flame retardant layer.
  • the first flame-retardant layer and the second flame-retardant layer of the utility model utilize the advantages of the halogen-free flame-retardant material, and simultaneously combine the halogen-containing flame-retardant materials (separating strips), that is, the advantages of combining the halogen-containing flame-retardant materials, thereby obtaining Excellent flame retardant effect.
  • the cable of the utility model maintains the electrical performance and physical and chemical properties of the ordinary cable, and has self-extinguishing property, that is, is not easy to burn; when the cable is ignited by itself or the external fire source ignites the fire, the cable is no longer extinguished after the fire is extinguished. Continue to burn, the length of the extension is very short.
  • Figure 1 is a schematic view of the structure of the present invention.
  • FIG. 2 is a schematic view of a first flame-retardant layer and a first split tape.
  • a flame-retardant thermoplastic elastomer cable includes an outer sheath 1 , and a first flame-retardant layer 1 is disposed outside the outer sheath 2 , and the first flame-retardant layer 1 is divided into a plurality of first layers.
  • the strip 7 is spaced apart (in the axial direction of the cable).
  • the material of the first flame-retardant layer 1 is a halogen-free flame-retardant material
  • the material of the first partition strip 7 is a halogen-containing flame-retardant material.
  • a cable core is disposed in the outer sheath 2, and the cable core is filled with a filler 3, the cable core includes a conductor 4 and an insulating layer 5 and a second resistor sequentially coated on the outside of the conductor 4.
  • a fuel layer 6 the second flame-retardant layer 6 is separated by a plurality of second dividing strips (in the axial direction of the cable), the thickness of the second dividing strip is greater than the thickness of the second flame-retardant layer 6, the second resistor
  • the material of the burning layer 6 is a halogen-free flame-retardant material
  • the material of the second separation tape is a halogen-containing flame-retardant material.
  • the halogen-free flame retardant material has the advantages of low toxicity, low smoke, and no halogen relative to the halogen-containing flame retardant material. However, the flame retardant level is not high.
  • the first flame-retardant layer 1 and the second flame-retardant layer 6 of the utility model utilize the advantages of the halogen-free flame-retardant material, and simultaneously combine the halogen-containing flame-retardant materials (separating strips), that is, the advantages of combining the halogen-containing flame-retardant materials. Reduces the chance of retarding, resulting in excellent flame retardant effects.

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  • Insulated Conductors (AREA)

Abstract

一种阻燃热塑性弹性体电缆，包括外护套（2），该外护套外设置有第一阻燃层（1），该第一阻燃层被若干第一分隔带（7）隔开，该第一阻燃层的材料为无卤阻燃材料，该第一分隔带的材料为含卤阻燃材料；该外护套内设置有电缆内芯，该电缆内芯之间填充有填充物（3），该电缆内芯包括导体（4）和依次包覆在导体外的绝缘层（5）和第二阻燃层（6），该第二阻燃层被若干第二分隔带隔开，该第二阻燃层的材料为无卤阻燃材料，该第二分隔带的材料为含卤阻燃材料。该电缆在保持普通电缆的电性能和理化性能的同时，具有自熄性，即不易燃烧；当电缆因故自身着火或是外火源引燃着火时，在着火熄灭后电缆不再继续燃烧，延燃长度短。

Description

一种阻燃热塑性弹性体电缆 技术领域
本实用新型涉及一种电缆，具体是一种阻燃热塑性弹性体电缆。
背景技术
实用新型内容
本实用新型的目的是提供一种阻燃热塑性弹性体电缆，该电缆阻燃性能优异。
为了达到上述技术目的，本实用新型的技术方案是：
一种阻燃热塑性弹性体电缆，包括外护套，所述外护套外设置有第一阻燃层，所述第一阻燃层被若干第一分割带隔开，所述第一阻燃层的材料为无卤阻燃材料，所述第一分隔带的材料为含卤阻燃材料；所述外护套内设置有电缆内芯，所述电缆内芯之间填充有填充物，所述电缆内芯包括导体和依次包覆在导体外的绝缘层和第二阻燃层，所述第二阻燃层被若干第二分割带隔开，所述第二阻燃层的材料为无卤阻燃材料，所述第二分隔带的材料为含卤阻燃材料。
所述第二分隔带的厚度大于第二阻燃层的厚度。
本实用新型第一阻燃层、第二阻燃层利用无卤阻燃材料的优点的同时，间隔地结合含卤阻燃材料(分隔带)，即结合含卤阻燃材料的优点，从而获得优异的阻燃效果。本实用新型的电缆是保持普通电缆的电性能和理化性能的同时，具有自熄性，即不易燃烧；当电缆因故自身着火或是外火源引燃着火时，在着火熄灭后电缆不再继续燃烧，延燃长度很短。
附图说明
图1为本实用新型的结构示意图。
图2为第一阻燃层与第一分割带示意图。
具体实施方式
下面结合附图和具体实施方式对本实用新型作进一步详细的说明。
如图1所示，一种阻燃热塑性弹性体电缆，包括外护套1，所述外护套2外设置有第一阻燃层1，所述第一阻燃层1被若干第一分割带7隔开(沿电缆轴向)，如图2所示，所述第一阻燃层1的材料为无卤阻燃材料，所述第一分隔带7的材料为含卤阻燃材料。
所述外护套2内设置有电缆内芯，所述电缆内芯之间填充有填充物3，所述电缆内芯包括导体4和依次包覆在导体4外的绝缘层5和第二阻燃层6，所述第二阻燃层6被若干第二分割带隔开(沿电缆轴向)，所述第二分隔带的厚度大于第二阻燃层6的厚度，所述第二阻燃层6的材料为无卤阻燃材料，所述第二分隔带的材料为含卤阻燃材料。
无卤阻燃材料相对于含卤阻燃材料有低毒、低烟、无卤的优点。但是阻燃级别不高。本实用新型第一阻燃层1、第二阻燃层6利用无卤阻燃材料的优点的同时，间隔地结合含卤阻燃材料(分隔带)，即结合含卤阻燃材料的优点，降低了延燃的几率，从而获得优异的阻燃效果。
上述实施例不以任何方式限制本实用新型，凡是采用等同替换或等效变换的方式获得的技术方案均落在本实用新型的保护范围内。

Claims (2)

  1. 一种阻燃热塑性弹性体电缆，其特征在于包括外护套，所述外护套外设置有第一阻燃层，所述第一阻燃层被若干第一分割带隔开，所述第一阻燃层的材料为无卤阻燃材料，所述第一分隔带的材料为含卤阻燃材料；所述外护套内设置有电缆内芯，所述电缆内芯之间填充有填充物，所述电缆内芯包括导体和依次包覆在导体外的绝缘层和第二阻燃层，所述第二阻燃层被若干第二分割带隔开，所述第二阻燃层的材料为无卤阻燃材料，所述第二分隔带的材料为含卤阻燃材料。
  2. 根据权利要求1所述的一种阻燃热塑性弹性体电缆，其特征在于：所述第二分隔带的厚度大于第二阻燃层的厚度。
PCT/CN2017/099921 2016-08-31 2017-08-31 一种阻燃热塑性弹性体电缆 WO2018041219A1 (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110491588A (zh) * 2019-09-19 2019-11-22 江苏亨通电力电缆有限公司 一种新型轨道交通用橡皮护套直流牵引电缆及其制备方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206075926U (zh) * 2016-08-31 2017-04-05 江苏中利集团股份有限公司 一种阻燃热塑性弹性体电缆

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5670748A (en) * 1995-02-15 1997-09-23 Alphagary Corporation Flame retardant and smoke suppressant composite electrical insulation, insulated electrical conductors and jacketed plenum cable formed therefrom
CN103426557A (zh) * 2013-07-30 2013-12-04 江苏河阳线缆有限公司 两芯低烟低卤阻燃电力电缆
CN103811120A (zh) * 2012-11-15 2014-05-21 扬州市金阳光电缆有限公司 轨道交通用电缆
CN206075926U (zh) * 2016-08-31 2017-04-05 江苏中利集团股份有限公司 一种阻燃热塑性弹性体电缆

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5670748A (en) * 1995-02-15 1997-09-23 Alphagary Corporation Flame retardant and smoke suppressant composite electrical insulation, insulated electrical conductors and jacketed plenum cable formed therefrom
CN103811120A (zh) * 2012-11-15 2014-05-21 扬州市金阳光电缆有限公司 轨道交通用电缆
CN103426557A (zh) * 2013-07-30 2013-12-04 江苏河阳线缆有限公司 两芯低烟低卤阻燃电力电缆
CN206075926U (zh) * 2016-08-31 2017-04-05 江苏中利集团股份有限公司 一种阻燃热塑性弹性体电缆

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110491588A (zh) * 2019-09-19 2019-11-22 江苏亨通电力电缆有限公司 一种新型轨道交通用橡皮护套直流牵引电缆及其制备方法

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