WO2022257375A1 - 一种柔性防火电缆 - Google Patents

一种柔性防火电缆 Download PDF

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Publication number
WO2022257375A1
WO2022257375A1 PCT/CN2021/134347 CN2021134347W WO2022257375A1 WO 2022257375 A1 WO2022257375 A1 WO 2022257375A1 CN 2021134347 W CN2021134347 W CN 2021134347W WO 2022257375 A1 WO2022257375 A1 WO 2022257375A1
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Prior art keywords
copper
tape
silicon
outside
wire core
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PCT/CN2021/134347
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English (en)
French (fr)
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高峰
余纪炎
方振华
吕泳锋
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开开电缆科技有限公司
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Publication of WO2022257375A1 publication Critical patent/WO2022257375A1/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
    • H01B7/02Disposition 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
    • H01B7/04Flexible cables, conductors, or cords, e.g. trailing cables
    • 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
    • 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
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Definitions

  • the utility model belongs to the technical field of cables, in particular to a flexible fireproof cable.
  • a cable is an electrical energy or signal transmission device, usually composed of several or several groups of wires.
  • line integrity a kind of fire protection standard
  • its goal is that the cable can still keep the line open in the fire scene, so that power and information can still be transmitted normally. Therefore, cables that meet the series integrity requirements are also called fireproof cables.
  • Chinese utility model patent CN201820478U discloses a fireproof cable, including copper pipes, in which several copper wires are arranged, refractory materials are filled between the copper wires, and an asbestos protective layer is provided outside the copper pipes.
  • the above-mentioned fireproof cable only reduces the impact of external high temperature on the copper tube through the asbestos protective layer provided outside the copper tube, reduces the heat radiation of the copper tube to the copper wire in the tube, and has a poor temperature resistance and fire prevention effect.
  • the purpose of the utility model is to provide a flexible fireproof cable, which has good temperature resistance and fireproof effect.
  • the utility model is achieved in that:
  • a flexible fireproof cable comprising a wire core and a copper-silicon composite tape and a sheath that are sequentially coated on the outside of the wire core, the wire core includes a conductor and a mica tape coated on the outside of the conductor, the wire core and the copper-silicon composite tape There is silicone in between.
  • one core is provided.
  • more than two wire cores are arranged and twisted with each other, and the silica gel is further arranged between the wire cores.
  • the copper-silicon composite tape includes a silicon tape surface and a copper tape surface arranged outside the silicon tape surface.
  • the copper-silicon composite tape is wrapped around the outside of the wire core.
  • the mica tape is a ceramic composite mica tape
  • the sheath is a plastic sheath.
  • the utility model coats the copper-silicon composite tape on the outside of the wire core to resist temperature, fire and water, and effectively improve the fire-proof and waterproof performance of the cable; the silica gel installed between the wire core and the copper-silicon composite tape fills the gap and effectively improves the cable performance. Excellent fireproof and waterproof performance;
  • the copper belt surface of the utility model is arranged outside the silicon belt surface, which effectively prevents the copper belt surface from piercing the silicon belt surface, and the silicon belt surface is not easy to be damaged, and has good fireproof and waterproof effects;
  • the copper-silicon composite tape of the utility model is wrapped around the outside of the wire core, without special welding equipment, low production cost, high speed, easy production, and more compact structure.
  • Fig. 1 is the structural representation of embodiment one of the utility model
  • Fig. 2 is a structural schematic diagram of Embodiment 2 of the present utility model.
  • a flexible fireproof cable comprising a wire core and a copper-silicon composite tape 1 and a sheath 2 coated in turn on the outside of the wire core
  • the wire core includes a conductor 3 and a mica tape 4 coated on the outside of the conductor 3
  • the wire core Silica gel 5 is provided between the copper-silicon composite belt 1 .
  • the mica tape 4 coated on the outside of the conductor 3 of the utility model insulates the conductor 3; the copper-silicon composite tape 1 coated on the outside of the wire core is temperature-resistant, fireproof, and waterproof, which effectively improves the fireproof and waterproof performance of the cable.
  • the silica gel 5 is arranged between the wire core and the copper-silicon composite tape 1 .
  • the copper-silicon composite strip 1 includes the silicon strip surface 11 and the copper strip surface 12 arranged outside the silicon strip surface 11 .
  • the silicon belt surface 11 is not easily damaged, and has good fireproof and waterproof effects.
  • the copper-silicon composite tape 1 is wrapped around the wire core.
  • the utility model does not need special electric welding equipment, has low production cost, high speed, is convenient for production, and has a more compact structure.
  • the mica tape 4 is a ceramic composite mica tape with good insulation effect; the sheath 2 is a plastic sheath.
  • the structure of this embodiment is basically the same as that of the first embodiment above, and the main difference is that: as shown in Figure 2, more than two wire cores are provided and twisted with each other, and the silica gel 5 is also arranged between the wire cores. between. Silica gel 5 is filled between the wire cores and between the wire cores and the copper-silicon-silicon composite tape 1, and the silica gel 5 fills the gap, effectively improving the fireproof and waterproof performance of the cable.
  • the wire cores are twisted to each other, which effectively improves the roundness of the cable, and is convenient for covering the copper-silicon composite tape 1 and the sheath 2 .

Abstract

本实用新型属于电缆技术领域,特指一种柔性防火电缆,包括线芯和依次包覆在线芯外部的铜硅复合带和护套,所述线芯包括导体和包覆在导体外部的云母带,所述线芯与铜硅复合带之间设有硅胶。本实用新型抗温、防火效果好。

Description

一种柔性防火电缆 技术领域:
本实用新型属于电缆技术领域,特指一种柔性防火电缆。
背景技术:
电缆是一种电能或信号传输装置,通常是由几根或几组导线组成。在缆线的标准中,有一类防火标准,称之为“线路完整性”标准,它的目标是缆线在火场中仍然能保持线路畅通,让电源和信息仍然能够正常传输。因此符合系列完整性要求的线缆也被称之为防火缆线。
中国实用新型专利CN201820478U公开了防火电缆,包括铜管,在铜管内设有若干个铜导线,铜导线间填充耐火材料,所述铜管外部设有石棉防护层。
上述防火电缆仅通过铜管外部设有的石棉防护层减少外部高温对铜管的影响,减少铜管对管内铜导线的热辐射,抗温防火效果不好。
发明内容:
本实用新型的目的是提供一种柔性防火电缆,其抗温、防火效果好。
本实用新型是这样实现的:
一种柔性防火电缆,包括线芯和依次包覆在线芯外部的铜硅复合带和护套,所述线芯包括导体和包覆在导体外部的云母带,所述线芯与铜硅复合带之间设有硅胶。
在上述的一种柔性防火电缆中,所述线芯设置有一个。
在上述的一种柔性防火电缆中,所述线芯设置有两个以上且相互绞合,所述硅胶还设置在线芯与线芯之间。
在上述的一种柔性防火电缆中,所述铜硅复合带包括硅带面和设置在硅带面外侧的铜带面。
在上述的一种柔性防火电缆中,所述铜硅复合带绕包在线芯外部。
在上述的一种柔性防火电缆中,所述云母带为陶瓷复合云母带,所述护套为塑料护套。
本实用新型相比现有技术突出的优点是:
1、本实用新型包覆在线芯外部的铜硅复合带抗温、防火、防水,有效提高电缆的防火、防水性能;设置在线芯与铜硅复合带之间的硅胶,填充间隙,有效提高电缆的防火、防水性能;
2、本实用新型的铜带面设置在硅带面外侧,有效避免铜带面刺破硅带面,硅带面不易破损,防火、防水效果好;
3、本实用新型的铜硅复合带绕包在线芯外部,无需电焊专用设备,生产成本低、速度快,便于生产,结构更紧凑。
附图说明:
图1是本实用新型的实施例一的结构示意图;
图2是本实用新型的实施例二的结构示意图。
附图标记:1、铜硅复合带;11、硅带面;12、铜带面;2、护套;3、导体;4、云母带;5、硅胶。
具体实施方式:
下面以具体实施例对本实用新型作进一步描述,参见图1-2:
实施例一:
一种柔性防火电缆,包括线芯和依次包覆在线芯外部的铜硅复合带1和护 套2,所述线芯包括导体3和包覆在导体3外部的云母带4,所述线芯与铜硅复合带1之间设有硅胶5。
如图1所示,本实用新型包覆在导体3外部的云母带4对导体3进行绝缘;包覆在线芯外部的铜硅复合带1抗温、防火、防水,有效提高电缆的防火、防水性能;设置在线芯与铜硅复合带1之间的硅胶5,填充间隙,有效提高电缆的防火、防水性能。
在本实施例中,所述线芯设置有一个,所述硅胶5设置在线芯与铜硅复合带1之间。
为了防止铜带面12刺破硅带面11,所述铜硅复合带1包括硅带面11和设置在硅带面11外侧的铜带面12。硅带面11不易破损,防火、防水效果好。
优选的,所述铜硅复合带1绕包在线芯外部。相比一般铜带焊接包覆在线芯外部,本实用新型无需电焊专用设备,生产成本低、速度快,便于生产,结构更紧凑。
优选的,所述云母带4为陶瓷复合云母带,绝缘效果好;所述护套2为塑料护套。
实施例二:
本实施例与上述实施例一的结构基本相同,其主要区别在于:如图2所示,所述线芯设置有两个以上且相互绞合,所述硅胶5还设置在线芯与线芯之间。线芯与线芯之间、线芯与铜硅硅复合带1之间充满硅胶5,硅胶5填充间隙,有效提高电缆的防火、防水性能。线芯相互绞合,有效提高电缆的圆整性,便于包覆铜硅复合带1和护套2。
上述实施例仅为本实用新型的较佳实施例之一,并非以此限制本实 用新型的实施范围,故:凡依本实用新型的形状、结构、原理所做的等效变化,均应涵盖于本实用新型的保护范围之内。

Claims (6)

  1. 一种柔性防火电缆,其特征在于:包括线芯和依次包覆在线芯外部的铜硅复合带(1)和护套(2),所述线芯包括导体(3)和包覆在导体(3)外部的云母带(4),所述线芯与铜硅复合带(1)之间设有硅胶(5)。
  2. 根据权利要求1所述的一种柔性防火电缆,其特征在于:所述线芯设置有一个。
  3. 根据权利要求1所述的一种柔性防火电缆,其特征在于:所述线芯设置有两个以上且相互绞合,所述硅胶(5)还设置在线芯与线芯之间。
  4. 根据权利要求1所述的一种柔性防火电缆,其特征在于:所述铜硅复合带(1)包括硅带面(11)和设置在硅带面(11)外侧的铜带面(12)。
  5. 根据权利要求1所述的一种柔性防火电缆,其特征在于:所述铜硅复合带(1)绕包在线芯外部。
  6. 根据权利要求1所述的一种柔性防火电缆,其特征在于:所述云母带(4)为陶瓷复合云母带,所述护套(2)为塑料护套。
PCT/CN2021/134347 2021-06-12 2021-11-30 一种柔性防火电缆 WO2022257375A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN214847854U (zh) * 2021-06-12 2021-11-23 开开电缆科技有限公司 一种柔性防火电缆

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Publication number Priority date Publication date Assignee Title
US6747214B2 (en) * 2000-10-20 2004-06-08 Nexans Insulated electrical conductor with preserved functionality in case of fire
CN202258476U (zh) * 2011-09-30 2012-05-30 天津市金海岸科技发展有限公司 新型环保双层铜塑复合带
CN103000278A (zh) * 2012-12-17 2013-03-27 无锡江南电缆有限公司 一种柔性防火多芯电缆
CN210349364U (zh) * 2019-08-23 2020-04-17 上海起帆电缆股份有限公司 一种环保柔性防火电缆
CN210606749U (zh) * 2019-11-18 2020-05-22 上海浦东电线电缆(集团)有限公司 一种低烟环保、无卤阻燃的耐火电缆
CN213277561U (zh) * 2020-10-21 2021-05-25 安徽华通电缆集团有限公司 一种超a类高阻燃耐火电力传输电缆
CN214847854U (zh) * 2021-06-12 2021-11-23 开开电缆科技有限公司 一种柔性防火电缆

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6747214B2 (en) * 2000-10-20 2004-06-08 Nexans Insulated electrical conductor with preserved functionality in case of fire
CN202258476U (zh) * 2011-09-30 2012-05-30 天津市金海岸科技发展有限公司 新型环保双层铜塑复合带
CN103000278A (zh) * 2012-12-17 2013-03-27 无锡江南电缆有限公司 一种柔性防火多芯电缆
CN210349364U (zh) * 2019-08-23 2020-04-17 上海起帆电缆股份有限公司 一种环保柔性防火电缆
CN210606749U (zh) * 2019-11-18 2020-05-22 上海浦东电线电缆(集团)有限公司 一种低烟环保、无卤阻燃的耐火电缆
CN213277561U (zh) * 2020-10-21 2021-05-25 安徽华通电缆集团有限公司 一种超a类高阻燃耐火电力传输电缆
CN214847854U (zh) * 2021-06-12 2021-11-23 开开电缆科技有限公司 一种柔性防火电缆

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