CN203085203U - A waterproof and fireproof cable - Google Patents

A waterproof and fireproof cable Download PDF

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Publication number
CN203085203U
CN203085203U CN2013200185028U CN201320018502U CN203085203U CN 203085203 U CN203085203 U CN 203085203U CN 2013200185028 U CN2013200185028 U CN 2013200185028U CN 201320018502 U CN201320018502 U CN 201320018502U CN 203085203 U CN203085203 U CN 203085203U
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layer
composite
blocking
water
waterproof
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CN2013200185028U
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刘玉真
李永华
杨树声
黄晓军
顾杰
王康
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Anhui Shangwei Cable Co ltd
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ANHUI STAR CABLE Co Ltd
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    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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Abstract

The utility model discloses a waterproof and fireproof cable comprising multiple conductors. The cross sections of the conductors are compacted in shapes of sectors or circles. The conductor is successively wrapped in a waterproof layer formed by wrapping a waterproof tape, and an insulating layer in order to form an insulating wire core. The insulating wire cores are mutually twisted in order to form a cable core. The cable core is wrapped in an inner isolating composite layer which is successively wrapped in an inner sheath layer and an outer composite isolating layer. The outer composite isolating layer and the inner isolating composite layer are both formed by wrapping waterproof tapes, aluminum-plastic composite tapes, and glass fiber tapes from inside to outside. The outer composite isolating layer is wrapped in an armored layer formed by wrapping a tin-coated steel tape, and an outer sheath layer. The waterproof and fireproof cable has novel structural design of the inner and the outer isolating composite layers, the waterproof layer, and the filling layer so as to achieve characteristics of good mechanical performance and electrical performance and easy processing. In addition, the cable has excellent waterproof performance and the fireproof performance and the service life of the cable is prolonged.

Description

一种阻水耐火电缆A water-blocking fire-resistant cable

技术领域:                                       Technical field:

本实用新型涉及电缆,尤其涉及一种阻水耐火电缆。 The utility model relates to cables, in particular to a water-blocking and fire-resistant cable.

背景技术:Background technique:

由于我国部分地区(长江以南地区)常年多雨,对敷设安装电缆的阻水性能要求越来越重视。电缆长时间运行在多雨的环境中,水分浸入到电缆中主要影响电缆的导体和绝缘。使导体氧化,增加导体电阻,增加输电线路的能量损耗;绝缘吸水后产生水树,使在运行中电缆发生击穿和损坏。 Due to the perennial rain in some areas of my country (the area south of the Yangtze River), more and more attention has been paid to the water resistance performance of cables laid and installed. The cable runs in a rainy environment for a long time, and the moisture intrusion into the cable mainly affects the conductor and insulation of the cable. Oxidize the conductor, increase the resistance of the conductor, and increase the energy loss of the transmission line; water trees will be generated after the insulation absorbs water, causing breakdown and damage to the cable during operation.

另一方面,据消防部门统计,城市火灾中,2/3以上是由于电气装备故障火灾电缆负荷过载引起的电缆燃烧蔓延造成的,同时,在过去的许多火灾中,造成人身财产危险以及“二次危害”的往往主要是电缆燃烧后释放的有毒气体,电缆的防火技术越来越引起人们的关注。 On the other hand, according to the statistics of the fire department, more than 2/3 of urban fires are caused by the spread of cable burning caused by electrical equipment failure and fire cable load overload. The "secondary hazard" is often mainly the toxic gas released after the cable is burned, and the fire prevention technology of the cable has attracted more and more attention.

实用新型内容:Utility model content:

为了弥补现有技术问题,本实用新型的目的是提供一种阻水耐火电缆,结构设计合理,阻水性能、耐火性能、机械性能优良。 In order to make up for the problems in the prior art, the purpose of the utility model is to provide a water-blocking and fire-resistant cable with reasonable structure design, excellent water-blocking performance, fire-resistance performance and mechanical performance.

本实用新型的技术方案如下: The technical scheme of the utility model is as follows:

阻水耐火电缆,包括数根导体,其特征在于:所述的数根导体由数根GB/T3956中规定的第2类铜丝绞合而成,绞合节径比为14~20倍,数根导体截面紧压成扇形或圆形,数根导体外分别依次设有阻水带绕包构成阻水层、绝缘层构成绝缘线芯,绝缘线芯相互绞合成束构成缆芯,缆芯外设有内隔离复合层,内隔离复合层外依次设有内护套层、外复合隔离层,外复合隔离层、内隔离复合层均由内到外依次采用阻水带、铝塑复合带、玻纤带进行绕包构成,外复合隔离层外包覆有镀锡钢带绕包构成的铠装层、外护套层。 Water-blocking and fire-resistant cables, including several conductors, are characterized in that: the several conductors are twisted by several second-class copper wires specified in GB/T3956, and the stranding pitch ratio is 14 to 20 times. The sections of several conductors are tightly pressed into a fan shape or a circle, and several conductors are successively provided with water-blocking tapes to form a water-blocking layer, an insulating layer to form an insulated core, and the insulated cores are twisted into bundles to form a cable core. There is an inner isolation composite layer on the outside, and an inner sheath layer and an outer composite isolation layer are arranged outside the inner isolation composite layer in turn. The outer composite isolation layer and the inner isolation composite layer are all made of water-blocking tape and aluminum-plastic composite tape from the inside to the outside. The outer composite isolation layer is covered with an armor layer and an outer sheath layer formed by wrapping tin-plated steel tape.

所述的阻水耐火电缆,其特征在于:所述的内复合隔离层与缆芯之间的间隙用阻水绳填充构成填充层。 The water-blocking and fire-resistant cable is characterized in that: the gap between the inner composite isolation layer and the cable core is filled with a water-blocking rope to form a filling layer.

所述的阻水耐火电缆,其特征在于:所述的绝缘层材料采用聚乙烯。 The water-blocking and fire-resistant cable is characterized in that the insulating layer is made of polyethylene.

所述的阻水耐火电缆,其特征在于:所述的内护套层由铝塑复合带绕包内层、聚乙烯挤塑成型外层构成。 The water-blocking and fire-resistant cable is characterized in that: the inner sheath layer is composed of an inner layer wrapped with aluminum-plastic composite tape and an outer layer formed by extrusion molding of polyethylene.

所述的阻水耐火电缆,其特征在于:所述的铠装层采用镀锌钢带组成。 The water-blocking and fire-resistant cable is characterized in that: the armor layer is made of galvanized steel strip.

所述的阻水耐火电缆,其特征在于:所述的外护套层材料采用耐火陶瓷化硅橡胶。 The water-blocking and fire-resistant cable is characterized in that: the material of the outer sheath layer is made of refractory ceramic silicon rubber.

本实用新型的优点是: The utility model has the advantages of:

本实用新型结构设计新颖,内外隔离复合层、阻水层、填充层等结构设计,使得电缆不仅具有良好的机械性能和电气性能,加工方便等特点,阻水、耐火性能优良,延长了电缆的使用寿命。 The utility model has novel structural design, internal and external isolation composite layer, water blocking layer, filling layer and other structural designs, so that the cable not only has good mechanical properties and electrical properties, but also has the characteristics of convenient processing, excellent water blocking and fire resistance performance, and extends the life of the cable. service life.

附图说明:Description of drawings:

图1为本实用新型的结构示意图。 Fig. 1 is the structural representation of the utility model.

具体实施方式:Detailed ways:

参见图1: See Figure 1:

阻水耐火电缆,包括数根导体1,数根导体1由数根GB/T3956中规定的第2类铜丝绞合而成,绞合节径比为14~20倍,数根导体1截面紧压成扇形或圆形,数根导体1外分别依次设有阻水带绕包构成阻水层2、绝缘层3构成绝缘线芯,绝缘线芯相互绞合成束构成缆芯,缆芯外设有内隔离复合层4,内隔离复合层4外依次设有内护套层5、外复合隔离层6,外复合隔离层6、内隔离复合层4均由内到外依次采用阻水带、铝塑复合带、玻纤带进行绕包构成,外复合隔离层6外包覆有镀锡钢带绕包构成的铠装层7、外护套层8。 Water-blocking and fire-resistant cables, including several conductors 1, several conductors 1 are twisted by several second-class copper wires specified in GB/T3956, the twisted pitch ratio is 14~20 times, and the cross-section of several conductors 1 Press tightly into a fan shape or a circle, and several conductors 1 are respectively provided with water-blocking tapes to form a water-blocking layer 2 and an insulating layer 3 to form an insulated wire core. The insulated wire cores are twisted into bundles to form a cable core. An inner isolation composite layer 4 is provided, and an inner sheath layer 5, an outer composite isolation layer 6 are arranged on the outside of the inner isolation composite layer 4, and the outer composite isolation layer 6 and the inner isolation composite layer 4 are all sequentially used from the inside to the outside. , aluminum-plastic composite tape, and glass fiber tape are wrapped, and the outer composite isolation layer 6 is covered with an armor layer 7 and an outer sheath layer 8 formed by wrapping tin-plated steel tape.

内复合隔离层4与缆芯之间的间隙用阻水绳填充构成填充层9。 The gap between the inner composite isolation layer 4 and the cable core is filled with a water-blocking rope to form a filling layer 9 .

绝缘层3材料采用聚乙烯。 The insulating layer 3 is made of polyethylene.

内护套层5由铝塑复合带绕包内层、聚乙烯挤塑成型外层构成。 The inner sheath layer 5 is composed of an inner layer wrapped with an aluminum-plastic composite tape and an outer layer formed by extrusion molding of polyethylene.

铠装层7采用镀锌钢带组成。 The armor layer 7 is composed of galvanized steel strips.

外护套层8材料采用耐火陶瓷化硅橡胶。 The outer sheath layer 8 is made of refractory ceramic silicon rubber.

Claims (6)

1.一种阻水耐火电缆,包括数根导体,其特征在于:所述的数根导体由数根GB/T3956中规定的第2类铜丝绞合而成,绞合节径比为14~20倍,数根导体截面紧压成扇形或圆形,数根导体外分别依次设有阻水带绕包构成阻水层、绝缘层构成绝缘线芯,绝缘线芯相互绞合成束构成缆芯,缆芯外设有内隔离复合层,内隔离复合层外依次设有内护套层、外复合隔离层,外复合隔离层、内隔离复合层均由内到外依次采用阻水带、铝塑复合带、玻纤带进行绕包构成,外复合隔离层外包覆有镀锡钢带绕包构成的铠装层、外护套层。 1. A water-blocking and fire-resistant cable, including several conductors, characterized in that: the several conductors are twisted by several Class 2 copper wires specified in GB/T3956, and the twisted pitch ratio is 14 ~20 times, the cross-section of several conductors is tightly pressed into a fan shape or a circle, and several conductors are respectively provided with water-blocking tapes to form a water-blocking layer, and the insulating layer forms an insulated core, and the insulated cores are twisted into bundles to form a cable. The cable core is provided with an inner isolation composite layer, and the inner isolation composite layer is provided with an inner sheath layer and an outer composite isolation layer in turn. The outer composite isolation layer and the inner isolation composite layer are sequentially used from the inside to the outside. The aluminum-plastic composite tape and the glass fiber tape are wrapped, and the outer composite isolation layer is covered with an armor layer and an outer sheath layer formed by wrapping a tinned steel tape. 2.根据权利要求1所述的阻水耐火电缆,其特征在于:所述的内复合隔离层与缆芯之间的间隙用阻水绳填充构成填充层。 2. The water-blocking and fire-resistant cable according to claim 1, characterized in that: the gap between the inner composite isolation layer and the cable core is filled with a water-blocking rope to form a filling layer. 3.根据权利要求1所述的阻水耐火电缆,其特征在于:所述的绝缘层材料采用聚乙烯。 3. The water-blocking and fire-resistant cable according to claim 1, wherein the material of the insulating layer is polyethylene. 4.根据权利要求1所述的阻水耐火电缆,其特征在于:所述的内护套层由铝塑复合带绕包内层、聚乙烯挤塑成型外层构成。 4. The water-blocking and fire-resistant cable according to claim 1, wherein the inner sheath layer is composed of an inner layer wrapped with aluminum-plastic composite tape and an outer layer formed by extrusion molding of polyethylene. 5.根据权利要求1所述的阻水耐火电缆,其特征在于:所述的铠装层采用镀锌钢带组成。 5. The water-blocking and fire-resistant cable according to claim 1, wherein the armor layer is made of galvanized steel strip. 6.根据权利要求1所述的阻水耐火电缆,其特征在于:所述的外护套层材料采用耐火陶瓷化硅橡胶。 6. The water-blocking and fire-resistant cable according to claim 1, characterized in that: the material of the outer sheath layer is made of refractory ceramic silicon rubber.
CN2013200185028U 2013-01-15 2013-01-15 A waterproof and fireproof cable Expired - Lifetime CN203085203U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104616817A (en) * 2015-01-30 2015-05-13 安徽省高沟电缆有限公司 Industrial fireproof high-temperature-resistant power cable
CN104916353A (en) * 2015-05-22 2015-09-16 上海亨公电线电缆有限公司 Ceramic silicon rubber insulated cable capable of resisting high temperature of 1000 DEG C
CN105989917A (en) * 2015-02-12 2016-10-05 江苏宝安电缆有限公司 Water-blocking fire resistant cable
CN112967840A (en) * 2021-04-16 2021-06-15 鲁能泰山曲阜电缆有限公司 High-reliability multifunctional cable

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104616817A (en) * 2015-01-30 2015-05-13 安徽省高沟电缆有限公司 Industrial fireproof high-temperature-resistant power cable
CN105989917A (en) * 2015-02-12 2016-10-05 江苏宝安电缆有限公司 Water-blocking fire resistant cable
CN104916353A (en) * 2015-05-22 2015-09-16 上海亨公电线电缆有限公司 Ceramic silicon rubber insulated cable capable of resisting high temperature of 1000 DEG C
CN112967840A (en) * 2021-04-16 2021-06-15 鲁能泰山曲阜电缆有限公司 High-reliability multifunctional cable

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CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 238339 Anhui city of Wuhu province Wuwei County high tech Industrial Park High Road No. 18

Patentee after: Anhui Shangwei Cable Co.,Ltd.

Address before: 238339 Anhui city of Wuhu province Wuwei County high tech Industrial Park High Road No. 18

Patentee before: ANHUI STAR CABLE Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130724