CN105529070B - 耐紫外线型12/20kV～26/35kV矿用光电复合拖曳电缆 - Google Patents

耐紫外线型12/20kV～26/35kV矿用光电复合拖曳电缆 Download PDF

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CN105529070B
CN105529070B CN201610021000.9A CN201610021000A CN105529070B CN 105529070 B CN105529070 B CN 105529070B CN 201610021000 A CN201610021000 A CN 201610021000A CN 105529070 B CN105529070 B CN 105529070B
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鲍继聪
廉果
钱子明
郭俭旭
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Jiangsu Hengtong Power Cable Co Ltd
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Abstract

本发明公开一种用于通讯和电力传输的多用途复合电缆，其包括光电单元、地线芯和至少3个动力线芯导体，一护套层包覆于所述光电单元、地线芯和至少3个动力线芯导体外表面；所述护套层包括内护套层和外护套层，所述内护套层由以下重量百分比含量的组分组成：氯丁生胶320F 40%、二硫化四甲基秋兰姆1%、2‑硫醇基苯骈噻唑0.5%、2‑巯基苯并咪唑0.5%、N,N'‑二（β‑萘基）对苯二胺0.4%、硬酯酸0.6%、癸二酸二辛酯 5%、氧化镁1%、氧化锌1%、复合阻燃剂8%、磷酸三甲苯酯5%、高耐磨炭黑20%、滑石粉6%、碳酸钙11%。本发明多用途复合电缆提高了耐紫外线、耐低温、耐磨、耐老化性能。

Description

耐紫外线型12/20kV～26/35kV矿用光电复合拖曳电缆
本申请原申请的申请日2013-01-23，申请号：201310024165.8和发明名称为“额定电压12/20kV～26/35kV矿用光电复合中压拖曳电缆及制备工艺”。
技术领域
本发明涉及复合电缆，具体涉及一种耐紫外线型12/20kV～26/35kV矿用光电复合拖曳电缆。
背景技术
复合电缆因为一根缆线中同时放置通讯光缆和电力电缆，而使缆线在传输光信号的同时进行电力传输。这种缆线在城市铺设线路时，不需要将光缆和电缆分别铺设，占用管道少，节约建设成本。光电复合缆利用安防监控系统，地面或中心监控人员可以直接对井下情况进行实时监控，不仅能直观地监视和记录井下工作现场的安全生产情况，同时，通过在井下安装的监控设备，能及时发现事故苗头，防患于未然。因此，安防监控系统是现代煤矿安全生产监控系统的重要组成部分。并且为确保意外发生时仍然保证通讯畅通，减少损失，要求井下用的传输电缆具有传输设备用电、信号传输要求，也具有优异的抗拉、防鼠、抗压、阻燃耐火等功能，但目前的电缆不能很好的完成这一要求，存在诸多不足之处，具体如下：光单元外护套采用热固性橡胶挤出目前没有很好的方法来保证光纤性能；由于光纤正常的环境工作温度为-40℃～70℃，而橡胶挤出时正常温度为150℃～200℃，时间为10～20min，这样硫化管环境很难保证光纤的性能；导电线芯和光单元成缆是比较难控制的，这会影响到光电复合电缆的使用寿命；其次，光电复合电缆对护套材料要求比较高，无论电缆的抗张强度、耐低温性能、耐老化性能、耐紫外线等等性能相对都比较差。
发明内容
本发明的目的是提供一种耐紫外线型12/20kV～26/35kV矿用光电复合拖曳电缆，其实现了环境温度-40℃～80℃下电力传输和信号传输性能同时，既提高了耐紫外线、耐低温、耐磨、耐老化性能，也解决了复合电缆长期拖拽、弯曲疲劳导致使用寿命下降的问题，从而延长了使用寿命。
为达到上述目的，本发明采用的技术方案是：一种耐紫外线型12/20kV～26/35kV矿用光电复合拖曳电缆，所述光电复合拖曳电缆包括光电单元、地线芯和至少3个动力线芯导体，一护套层包覆于所述光电单元、地线芯和至少3个动力线芯导体外表面；所述护套层包括内护套层和外护套层，此内护套层和外护套层之间设有编织加强层，所述内护套层和外护套层由以下重量百分比含量的组分组成：氯丁生胶320F 40％、二硫化四甲基秋兰姆1％、2-硫醇基苯骈噻唑0.5％、2-巯基苯并咪唑0.5％、N,N'-二(β-萘基)对苯二胺0.4％、硬酯酸0.6％、癸二酸二辛酯5％、氧化镁1％、氧化锌1％、复合阻燃剂8％、磷酸三甲苯酯5％、高耐磨炭黑20％、滑石粉6％、碳酸钙11％；
所述内护套层的制备工艺，包括以下步骤：
步骤一.将所述氯丁生胶320F 40％在100℃～120℃密炼机中混炼5min～6min，混炼均匀；
步骤二.在所述密炼机中再加入所述硬酯酸0.6％、氧化锌1％、氧化镁1％、高耐磨炭黑20％、磷酸三甲苯酯5％、复合阻燃剂8％、作为填充剂的滑石粉6％、作为填充剂的碳酸钙11％、N,N'-二(β-萘基)对苯二胺0.4％、2-巯基苯并咪唑0.5％混炼2min～3min；
步骤三.然后，在所述密炼机中加入所述癸二酸二辛酯5％，混炼1min～5min；
步骤四.在所述密炼机中再加入所述二硫化四甲基秋兰姆1％、2-硫醇基苯骈噻唑0.5％，混炼0.5min～1.5min，然后，排出混炼胶料；
步骤五.将所述混炼胶料在开炼机上薄通1～2次，同时摆胶2～3次，接着在三辊压延机上开条出片，输出的橡页经过冷却辊冷却，过滑石粉箱后，即制得成品。
由于上述技术方案的运用，本发明与现有技术相比具有下列优点：
本发明耐紫外线型12/20kV～26/35kV矿用光电复合拖曳电缆，其采用40％氯丁生胶320F作基料，通过添加1％二硫化四甲基秋兰姆、作为促进剂的0.5％2-硫醇基苯骈噻唑、作为防老剂的0.5％的2-巯基苯并咪唑和0.4％的N,N'-二(β-萘基)对苯二胺，协同作用来提高耐紫外线、耐低温、耐磨、耐老化性能，也解决了光电复合拖曳电缆长期拖拽、弯曲疲劳导致使用寿命下降的问题，从而延长了使用寿命；其次，在发明特定配方中添加7～9％复合阻燃剂，保证了环境温度-40℃～80℃下电力传输和信号传输性能同时，提高了复合电缆的阻燃性能。
附图说明
附图1为本发明光电复合拖曳电缆结构示意图；
附图2为附图1的局部结构示意图。
以上附图中：1、光电单元；2、地线芯；3、动力线芯导体；4、护套层；41、内护套层；42、外护套层；5、编织加强层。
具体实施方式
实施例：一种耐紫外线型12/20kV～26/35kV矿用光电复合拖曳电缆，所述光电复合拖曳电缆包括光电单元1、地线芯2和至少3个动力线芯导体3，一护套层4包覆于所述光电单元1、地线芯2和至少3个动力线芯导体3外表面；所述护套层4包括内护套层41和外护套层42，此内护套层41和外护套层42之间设有编织加强层5，所述内护套层41和外护套层42由以下重量百分比含量的组分组成如下所示：
氯丁生胶320F 40％、二硫化四甲基秋兰姆1％、2-硫醇基苯骈噻唑0.5％、2-巯基苯并咪唑0.5％、N,N'-二(β-萘基)对苯二胺0.4％、硬酯酸0.6％、癸二酸二辛酯5％、氧化镁1％、氧化锌1％、复合阻燃剂8％、磷酸三甲苯酯5％、高耐磨炭黑20％、滑石粉6％、碳酸钙11％；
所述内护套层41的制备工艺，包括以下步骤：
步骤一.将所述氯丁生胶320F 40％在100℃～120℃密炼机中混炼5min～6min，混炼均匀；
步骤二.在所述密炼机中再加入所述硬酯酸0.6％、氧化锌1％、氧化镁1％、高耐磨炭黑20％、磷酸三甲苯酯5％、复合阻燃剂8％、作为填充剂的滑石粉6％、作为填充剂的碳酸钙11％、N,N'-二(β-萘基)对苯二胺0.4％、2-巯基苯并咪唑0.5％混炼2min～3min；
步骤三.然后，在所述密炼机中加入所述癸二酸二辛酯5％，混炼1min～5min；
步骤四.在所述密炼机中再加入所述二硫化四甲基秋兰姆1％、2-硫醇基苯骈噻唑0.5％，混炼0.5min～1.5min，然后，排出混炼胶料；
步骤五.将所述混炼胶料在开炼机上薄通1～2次，同时摆胶2～3次，接着在三辊压延机上开条出片，输出的橡页经过冷却辊冷却，过滑石粉箱后，即制得成品。
本实例制备的耐紫外线型12/20kV～26/35kV矿用光电复合拖曳电缆，性能的检测数据如表1所示：
表1光电复合拖曳电缆性能指标
序号 性能项目 单位 典型值
1 老化前机械性能
1.1 抗张强度 14.0
1.2 断裂伸长率 ％ 422
2 空气烘箱老化后性能
2.1 老化条件 温度 ℃ 120±2
时间 H 7×24
2.2 抗张强度变化率 ％ -11
2.3 断裂伸长率变化率 ％ -15
3 热延伸试验
3.1 试验条件 温度 ℃ 200±3
载荷时间 Min 15
机械应力 20
3.2 载荷下伸长率 ％ 65
3.3 载荷下永久伸长率 ％ 2
4 浸油试验
4.1 老化条件 温度 ℃ 100±2
时间 H 24
4.2 抗张强度变化率 ％ -15
4.3 断裂伸长率变化率 ％ -20
5 低温拉伸试验
5.1 试验温度 ℃ -42±2
5.2 试验时间 H 4
5.3 断裂伸长率 ％ 40
综上，本发明耐紫外线型12/20kV～26/35kV矿用光电复合拖曳电缆，其采用40％氯丁生胶320F作基料，通过添加1％二硫化四甲基秋兰姆、作为促进剂的0.5％2-硫醇基苯骈噻唑、作为防老剂的0.5％的2-巯基苯并咪唑和0.4％的N，N′-二(β-萘基)对苯二胺，协同作用来提高耐紫外线、耐低温、耐磨、耐老化性能，也解决了光电复合拖曳电缆长期拖拽、弯曲疲劳导致使用寿命下降的问题，从而延长了使用寿命；其次，在发明特定配方中添加7～9％复合阻燃剂，保证了环境温度-40℃～80℃下电力传输和信号传输性能同时，提高复合电缆的阻燃性能。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (1)

1.一种耐紫外线型12/20kV~26/35kV矿用光电复合拖曳电缆，所述光电复合拖曳电缆包括光电单元（1）、地线芯（2）和至少3个动力线芯导体（3），一护套层（4）包覆于所述光电单元（1）、地线芯（2）和至少3个动力线芯导体（3）外表面；其特征在于：所述护套层（4）包括内护套层（41）和外护套层（42），此内护套层（41）和外护套层（42）之间设有编织加强层（5），所述内护套层（41）和外护套层（42）由以下重量百分比含量的组分组成：氯丁生胶320F 40%、二硫化四甲基秋兰姆1%、2-硫醇基苯骈噻唑0.5%、2-巯基苯并咪唑0.5%、N,N'-二（β-萘基）对苯二胺0.4%、硬酯酸0.6%、癸二酸二辛酯 5%、氧化镁1%、氧化锌1%、复合阻燃剂8%、磷酸三甲苯酯5%、高耐磨炭黑20%、滑石粉6%、碳酸钙11%；
所述内护套层（41）的制备工艺，包括以下步骤：
步骤一. 将所述氯丁生胶320F 40%在100℃~120℃密炼机中混炼5min~6min，混炼均匀；
步骤二. 在所述密炼机中再加入所述硬酯酸0.6%、氧化锌1%、氧化镁1%、高耐磨炭黑20%、磷酸三甲苯酯5%、复合阻燃剂8%、作为填充剂的滑石粉6%、作为填充剂的碳酸钙11%、N,N'-二（β-萘基）对苯二胺 0.4%、2-巯基苯并咪唑0.5%混炼2min~3min；
步骤三. 然后，在所述密炼机中加入所述癸二酸二辛酯5%，混炼1min~5min；
步骤四. 在所述密炼机中再加入所述二硫化四甲基秋兰姆1%、2-硫醇基苯骈噻唑0.5%，混炼0.5min~1.5min，然后，排出混炼胶料；
步骤五. 将所述混炼胶料在开炼机上薄通1~2 次，同时摆胶2~3 次，接着在三辊压延机
上开条出片，输出的橡页经过冷却辊冷却，过滑石粉箱后，即制得成品。
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