CN104637589A - Double-shielded fire-resistant cable - Google Patents

Double-shielded fire-resistant cable Download PDF

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Publication number
CN104637589A
CN104637589A CN201310563995.8A CN201310563995A CN104637589A CN 104637589 A CN104637589 A CN 104637589A CN 201310563995 A CN201310563995 A CN 201310563995A CN 104637589 A CN104637589 A CN 104637589A
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layer
fire
retardant
cable
unshielded
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CN201310563995.8A
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Chinese (zh)
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李亮
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成都捷康特科技有限公司
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Priority to CN201310563995.8A priority Critical patent/CN104637589A/en
Publication of CN104637589A publication Critical patent/CN104637589A/en

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Abstract

The invention relates to the technical field of cables, and provides a double-shielded fire-resistant cable which comprises at least three conductors (1). Insulating layers (2) wrap the conductors, all the conductors (1) wrapped by the insulating layers (2) are wrapped by inner shielding layers (3), gaps between the inner shielding layers (3) and the insulating layers (2) are filled with fillers (4), an outer shielding layer (5) wraps the inner shielding layers (3), a flame-retardant layer (6) wraps the outer shielding layer (5), a jacket layer (7) wraps the flame-retardant layer (6), the inner shielding layers and the outer shielding layer comprise copper foils, and aluminum foils are arranged on two surfaces of each copper foil.

Description

—种双屏蔽耐火电缆 - fire-resistant double-shielded cable Species

技术领域 FIELD

[0001] 本发明涉及电缆技术领域,提供了一种双屏蔽耐火电缆。 [0001] The present invention relates to the field of cable technology, there is provided a fire-resistant double-shielded cable.

背景技术 Background technique

[0002] 电缆在轻轨、地铁或室内敷设时,对其阻燃、耐火性能提出了很高要求。 [0002] When the cable light rail, subway or indoor laying, its fire-retardant, fire resistance has placed enormous demands. 为了满足电缆使用环境的要求,根据不同的阻燃、耐火要求设计产品结构。 To meet the use environment of the cable, depending on the flame retardant, fire requirements and design product structure. 目前广泛使用的铁路信号电缆、铁路数字信号电缆、铁路内屏蔽数字信号电缆、轨道交通信号电缆、应答器数据传输电缆等分为两大类,一是综合护套结构,二是铝护套结构。 Railway signal cable is currently widely used digital railway signal cable, shielded cable is a digital signal, the signal cable rail, the transponder data transmission cables and the like within the railway divided into two categories, one integrated jacket structure, two aluminum jacket structure . 其抗屏蔽能力差,防水耐火能力弱。 Anti shielding ability, weak waterproof fire resistance.

[0003] 自1836年世界上生产出第一条低压电力电缆(橡皮带绕包铜导线)至今,电线电缆已经发展成为用途广泛、品种繁多的一大产品类别。 [0003] Since 1836 the world's first production of low voltage power cables so far (rubber band wrapped copper wire), Wire and Cable has developed into a wide range of uses, a large variety of product categories. 我国电线电缆行业经过70多年的发展,也取得了较大的进步。 China's wire and cable industry after 70 years of development, has made great progress. 伴随着中国电线电缆行业高速发展,新增企业数量不断上升,行业整体技术水平得到大幅提高。 Along with the rapid development of China's wire and cable industry, the rising number of new enterprises, the industry overall technological level has been greatly improved. 目前我国电线电缆行业国有及规模以上企业约5000家,其中大型企业有19家,总产值占整个市场份额的11%。 At present, China wire and cable industry and state-owned enterprises above designated size of about 5,000, of which there are 19 large-scale enterprises, the total output value accounted for 11% of the market share.

[0004] 电线电缆是输送能源、传递信息所不可缺少的基础器材,从在社会信息化、电气化快速发展的今天,电线电缆已成为经济建设中最重要的基础产品之一。 [0004] wire and cable transport energy, transmission of information indispensable foundation equipment, from the information society, the rapid development of electrification today, wire and cable has become one of the most important economic construction of basic products. 电线电缆行业又是配套行业,产品必须满足国民经济各主行业对电线电缆性能的要求,国民经济觉得多数行业都与电线电缆相关,其产业地位是十分重要的。 Wire and cable industry is also supporting industries, products must meet the requirements of the national economy the main wire and cable industry, the performance of the national economy that are most relevant to the wire and cable industry, its industry position is very important. 我国电线电缆行业目前仍处在发展阶段,作为国民经济建设重要先导行业,电线电缆产销指标的增长一般比国民经济总产值要略高一些。 China's wire and cable industry is still in the development stage, as an important guide national economic construction industry, wire and cable sales growth indicators generally slightly higher than the national economic output.

发明内容 SUMMARY

[0005] 本发明的目的在于提供一种屏蔽性能强,耐高温能力好的一种双屏蔽耐火电缆。 [0005] The object of the present invention is to provide a strong shielding property, an ability to double-shielded good high temperature resistant cables.

[0006] 为了实现上述目的本发明采用以下技术方案: [0006] To achieve the above object of the present invention employs the following technical solution:

一种双屏蔽耐火电缆,其特征在于:包括至少3根导体1,导体外均包裹绝缘层2,所有包裹有绝缘层2的导体I被内屏蔽层3包裹,内屏蔽层3与绝缘层2间的空隙处填充填料物4,内屏蔽层3外包裹外屏蔽层5,外屏蔽层5外包裹阻燃层6,阻燃层6外包裹护套层7,所述内屏蔽层和外屏蔽层均包括铜箔,铜箔两面均设有铝箔。 A dual unshielded fire-retardant cable, comprising: at least three conductors 1, the outer conductor 2 are wrapping the insulating layer, all wrapped with the insulating layer conductor I 2 is wrapped inner shield 3, the shield layer 3 and insulating layer 2 4, the inner shield 3 outside the outer wrapping shield layer 5, an outer shield layer 5 layer 6 overwrap flame retardant sheath layer 6 overwrap layer fills the voids between the filler material 7, the inner shield and outer shield layers each include a copper foil, a copper foil on both sides with an aluminum foil.

[0007] 所述填充填料物7为耐火阻水带,其包括云母层,云母层两面分别粘接玻璃纤维网格编制的补强层,在补强层上粘接一层由阻水粉构成的薄膜形成阻水层。 [0007] The filling material 7 of a refractory filler water blocking tape, which comprises a mica layer, a reinforcing layer on both surfaces of the mica layer of the preparation of the mesh are bonded glass fibers, a layer of adhesive on the reinforcing layer constituted by the water blocking powder film-forming water-repellent layer.

[0008] 所述填充填料物7为玻璃纤维。 [0008] The filling material 7 is a glass fiber filler.

[0009] 所述填充填料物7为橡胶。 [0009] The filling material 7 is a rubber filler.

[0010] 所述阻然层6包括阻燃层包括云母层和玄武岩纤维编织层,所述云母层厚度为0.2-0.9mm,玄武岩纤维编织层能够很好的将云母包裹,使得云母在受热时不分离。 [0010] However, the barrier 6 comprises a flame-retardant layer comprising a mica layer and a basalt fiber braid, the mica layer thickness is 0.2 to 0.9 mm, basalt fiber braid can be a good package mica, mica such that the heated layer not separated.

[0011] 所述玄武岩编织层,单丝直径为0.2-0.9mm。 [0011] The basalt braid filaments having a diameter of 0.2-0.9mm.

[0012] 因为本发明采用以上技术方案,所以具备以下有益效果: 通过内屏蔽和外屏蔽使得电缆获得较高的抗静电干扰、抗外磁场干扰、抗射频干扰能力,防水耐火能力强。 [0012] Since the present invention adopts the above technical solution, it has the following advantages: through the inner and outer shields so that the cable interference obtain high antistatic, anti-magnetic field interference, RFI immunity, strong waterproof fire resistance.

附图说明 BRIEF DESCRIPTION

[0013] 图1为本发明的结构图。 [0013] FIG. 1 is a configuration diagram of the present invention.

具体实施方式 Detailed ways

[0014] 一种双屏蔽耐火电缆,其特征在于:包括至少3根导体1,导体外均包裹绝缘层2,所有包裹有绝缘层2的导体I被内屏蔽层3包裹,内屏蔽层3与绝缘层2间的空隙处填充填料物4,内屏蔽层3外包裹外屏蔽层5,外屏蔽层5外包裹阻燃层6,阻燃层6外包裹护套层7,所述内屏蔽层和外屏蔽层均包括铜箔,铜箔两面均设有铝箔。 [0014] A fire-resistant double-shielded cable, wherein: 1 comprising at least three conductors, the outer conductor 2 are wrapping the insulating layer, all wrapped with the insulating layer conductor I 2 is wrapped inner shielding layer 3, and the inner shield 3 2 at the gap insulating layer filling the filler material 4, the inner shield 3 outside the outer wrapping shield layer 5, an outer shield layer 5 layer 6 overwrap flame retardant sheath layer 6 overwrap layer 7, the inner shielding layer and an outer shield layer comprises copper, a copper foil on both sides with an aluminum foil.

[0015] 所述填充填料物7为耐火阻水带,其包括云母层,云母层两面分别粘接玻璃纤维网格编制的补强层,在补强层上粘接一层由阻水粉构成的薄膜形成阻水层。 [0015] The filling material 7 of a refractory filler water blocking tape, which comprises a mica layer, a reinforcing layer on both surfaces of the mica layer of the preparation of the mesh are bonded glass fibers, a layer of adhesive on the reinforcing layer constituted by the water blocking powder film-forming water-repellent layer.

[0016] 所述填充填料物7为玻璃纤维。 [0016] The filling material 7 is a glass fiber filler.

[0017] 所述填充填料物7为橡胶。 [0017] The filling material 7 is a rubber filler.

[0018] 所述阻然层6包括阻燃层包括云母层和玄武岩纤维编织层,所述云母层厚度为0.2-0.9mm。 [0018] However, the barrier layer comprises a flame-retardant layer 6 include mica and basalt fiber braid layer, the mica layer thickness is 0.2-0.9mm.

[0019] 所述玄武岩编织层,单丝直径为0.2-0.9mm。 [0019] The basalt braid filaments having a diameter of 0.2-0.9mm.

Claims (6)

1.一种双屏蔽耐火电缆,其特征在于:包括至少3根导体(1),导体外均包裹绝缘层(2),所有包裹有绝缘层(2)的导体(I)被内屏蔽层(3)包裹,内屏蔽层(3)与绝缘层(2)间的空隙处填充填料物(4),内屏蔽层(3)外包裹外屏蔽层(5),外屏蔽层(5)外包裹阻燃层(6),阻燃层(6)外包裹护套层(7),所述内屏蔽层和外屏蔽层均包括铜箔,铜箔两面均设有铝箔。 A fire-resistant double-shielded cable, wherein: at least three conductors (1), the outer conductors are wrapped insulating layer (2), all wrapped with the conductors (I) the insulating layer (2) is the inner shield ( filling the filling material (4), the shield layer (3) wrapping an outer shield layer (5), an outer shield layer (5) of the overwrap between 3) wrapping the inner shielding layer (3) and the insulating layer (2) gap at flame-retardant layer (6), flame-retardant layer (6) wrapping the outer jacket layer (7), the inner shield and the outer shield each comprise a copper foil, a copper foil on both sides with an aluminum foil.
2.根据权利要求1所述的一种双屏蔽耐火电缆,其特征在于:所述填充填料物(7)为耐火阻水带,其包括云母层,云母层两面分别粘接玻璃纤维网格编制的补强层,在补强层上粘接一层由阻水粉构成的薄膜形成阻水层。 A dual according to claim unshielded fire-retardant cable of claim 1, wherein: said filler material filling (7) of refractory water blocking tape, which comprises a mica layer, both surfaces of each of the mica layer bonded fiberglass mesh preparation the reinforcing layer, an adhesive layer on the reinforcing layer is formed of a water resistant layer composed of a water blocking powder film.
3.根据权利要求1所述的一种双屏蔽耐火电缆,其特征在于:所述填充填料物(7)为玻璃纤维。 A dual according to claim unshielded fire-retardant cable of claim 1, wherein: said filler material filling (7) is a glass fiber.
4.根据权利要求1所述的一种双屏蔽耐火电缆,其特征在于:所述填充填料物(7)为橡胶。 4. A dual unshielded fire-retardant cable according to claim 1, wherein: said filler material filling (7) is rubber.
5.根据权利要求1所述的一种双屏蔽耐火电缆,其特征在于:所述阻然层(6)包括阻燃层包括云母层和玄武岩纤维编织层,所述云母层厚度为0.2-0.9mm。 5. A dual unshielded fire-retardant cable according to claim 1, wherein: said natural barrier layer (6) comprises a flame-retardant layer comprising a mica layer and a basalt fiber braid, the thickness of the mica layer is 0.2-0.9 mm.
6.根据权利要求5所述的一种双屏蔽耐火电缆,其特征在于:所述玄武岩编织层,单丝直径为0.2-0.9mm。 A dual according to claim 5 unshielded fire-retardant cable, characterized in that: said braid basalt filament diameter of 0.2-0.9mm.
CN201310563995.8A 2013-11-14 2013-11-14 Double-shielded fire-resistant cable CN104637589A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001517355A (en) * 1997-01-29 2001-10-02 ソニー トランス コム インク Ieee1394 data transmission for quad structure of cable
CN1719552A (en) * 2005-06-17 2006-01-11 宝胜科技创新股份有限公司 Fire isolation layer fire-proof digital signal cable
CN200944147Y (en) * 2006-08-11 2007-09-05 北京康宁光缆有限公司 Improved fiber cable fireproof water-resisting tape
CN102087889A (en) * 2010-11-15 2011-06-08 江苏河阳线缆有限公司 Elevator cable with high safety factor
CN203573687U (en) * 2013-11-14 2014-04-30 成都捷康特科技有限公司 Double-shielding fire resisting cable

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001517355A (en) * 1997-01-29 2001-10-02 ソニー トランス コム インク Ieee1394 data transmission for quad structure of cable
CN1719552A (en) * 2005-06-17 2006-01-11 宝胜科技创新股份有限公司 Fire isolation layer fire-proof digital signal cable
CN200944147Y (en) * 2006-08-11 2007-09-05 北京康宁光缆有限公司 Improved fiber cable fireproof water-resisting tape
CN102087889A (en) * 2010-11-15 2011-06-08 江苏河阳线缆有限公司 Elevator cable with high safety factor
CN203573687U (en) * 2013-11-14 2014-04-30 成都捷康特科技有限公司 Double-shielding fire resisting cable

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