CN105655062A - 一种耐高温寿命长的光伏电缆生产工艺 - Google Patents

一种耐高温寿命长的光伏电缆生产工艺 Download PDF

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CN105655062A
CN105655062A CN201511007193.4A CN201511007193A CN105655062A CN 105655062 A CN105655062 A CN 105655062A CN 201511007193 A CN201511007193 A CN 201511007193A CN 105655062 A CN105655062 A CN 105655062A
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黄伟
朱勇
叶军猛
汪剑锋
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Abstract

本发明公开一种耐高温寿命长的光伏电缆生产工艺，包括以下步骤：将多根镀锡铜丝分层、多次正规绞合制成光伏电缆的导体线芯；在绞合好的导体线芯外表面绕包两层耐火云母带；在两层耐火云母带外挤包聚烯烃绝缘材料，形成绝缘层；在绝缘层外侧挤包热塑性低烟无卤阻燃聚烯烃护套层；将护套层缆芯进行电子辐照加工，辐照后接地放电，停放40h，即得到光伏电缆。本发明在导体线芯外表面绕包两层耐火云母带，增强电缆的电气绝缘性，具有优异的耐火阻燃性能，采用聚烯烃绝缘层和阻燃聚烯烃护套层，进一步加强本发明光伏电缆的阻燃绝缘性能和抗紫外线老化性能，大大提高了产品的稳定性，在130℃的条件下仍然能正常工作，延长了光伏电缆的寿命。

Description

一种耐高温寿命长的光伏电缆生产工艺
技术领域
本发明属于电缆领域，具体是一种耐高温寿命长的光伏电缆生产工艺。
背景技术
随着太阳能光伏发电系统设施建设的增加，电缆使用量在不断增加。而所有光伏系统使用的电缆都应具有阻燃、防火、无毒，耐日光老化等性能。这将大大促进太阳能光伏系统用环保型电缆的发展。建造经济高效的盈利性的光伏发电厂，代表了所有太阳能制造商最重要的目标和核心竞争力。事实上，盈利能力不仅仅取决于太阳能组件自身的效率或高性能，也离不开一系列表面看来与组件无直接关系的部件。但所有这些部件(如电缆、连接器、接线盒)应依据招标人的长期投资目标进行选择。所选部件的高质量可以避免因高昂的维修和维护费用而导致太阳能系统无法盈利。人们通常不会将连接光伏组件和逆变器的布线系统视为关键部件,但是，如果未能采用太阳能应用的专用电缆，将会影响到整个系统的使用寿命。
太阳能系统常常会在恶劣环境条件下使用，如高温和紫外线辐射。晴天时将导致太阳能系统的现场温度高达100℃。因此要求光伏电缆具有优良的耐热、耐寒、耐紫外线、耐臭氧和耐候性，低烟无卤、低毒、阻燃。在所属设备中需要抵御恶劣气候环境和经受机械冲击，光伏电缆对电缆的柔软度、导电性和阻燃性能都有着较高的要求，现有的光伏电缆大多无法满足应用的需求，而且使用寿命短，易老化，频繁更换增加使用成本，因此，需要对光伏电缆的选材及工艺进行进一步地改进。
发明内容
针对现有技术的不足，本发明提出一种耐高温寿命长的光伏电缆生产工艺。
本发明的目的可以通过以下技术方案实现：
一种耐高温寿命长的光伏电缆生产工艺，其特征在于，包括以下步骤：
（1）将多根镀锡铜丝分层、多次正规绞合制成光伏电缆的导体线芯；
（2）在绞合好的导体线芯外表面绕包两层耐火云母带；
（3）在两层耐火云母带外挤包聚烯烃绝缘材料，形成绝缘层；
（4）在绝缘层外侧挤包热塑性低烟无卤阻燃聚烯烃护套层，
护套组分及质量百分比为：聚烯烃树脂基料40-50份、硼酸锌10-15份、聚磷酸铵1-6份、紫外线吸收剂3-5份、防老剂0.2-1份、交联剂TAC1-3份、双季戊四醇2-6份、邻苯二甲酸二辛酯0.5-1.5份；
（5）将步骤（4）得到的护套层缆芯进行电子辐照加工，辐照剂量为20Mrd，辐照后接地放电，停放40h，即得到光伏电缆。
所述步骤（2）耐火云母带的重叠率≥42%，绕包角为45-55°。
所述防老剂为2-巯基苯并咪唑。
本发明的有益效果：本发明在导体线芯外表面绕包两层耐火云母带，增强电缆的电气绝缘性，具有优异的耐火阻燃性能，采用聚烯烃绝缘层和阻燃聚烯烃护套层，进一步加强本发明光伏电缆的阻燃绝缘性能和抗紫外线老化性能，大大提高了产品的稳定性，在130℃的条件下仍然能正常工作，延长了光伏电缆的寿命。
具体实施方式
实施例1
一种耐高温寿命长的光伏电缆生产工艺，包括以下步骤：
（1）将多根镀锡铜丝分层、多次正规绞合制成光伏电缆的导体线芯；
（2）在绞合好的导体线芯外表面绕包两层耐火云母带，耐火云母带的重叠率≥42%，绕包角为45-55°；
（3）在两层耐火云母带外挤包聚烯烃绝缘材料，形成绝缘层；
（4）在绝缘层外侧挤包热塑性低烟无卤阻燃聚烯烃护套层，
护套组分及质量百分比为：聚烯烃树脂基料45份、硼酸锌15份、聚磷酸铵3份、紫外线吸收剂4份、2-巯基苯并咪唑0.6份、交联剂TAC2份、双季戊四醇4份、邻苯二甲酸二辛酯1份；
（5）将上述得到的护套层缆芯进行电子辐照加工，辐照剂量为20Mrd，辐照后接地放电，停放40h，即得到光伏电缆。
实施例2
一种耐高温寿命长的光伏电缆生产工艺，包括以下步骤：
（1）将多根镀锡铜丝分层、多次正规绞合制成光伏电缆的导体线芯；
（2）在绞合好的导体线芯外表面绕包两层耐火云母带，耐火云母带的重叠率≥42%，绕包角为45-55°；
（3）在两层耐火云母带外挤包聚烯烃绝缘材料，形成绝缘层；
（4）在绝缘层外侧挤包热塑性低烟无卤阻燃聚烯烃护套层，
护套组分及质量百分比为：聚烯烃树脂基料50份、硼酸锌10份、聚磷酸铵6份、紫外线吸收剂5份、2-巯基苯并咪唑1份、交联剂TAC3份、双季戊四醇6份、邻苯二甲酸二辛酯1.5份；
（5）将上述得到的护套层缆芯进行电子辐照加工，辐照剂量为20Mrd，辐照后接地放电，停放40h，即得到光伏电缆。
以上内容仅仅是对本发明结构所作的举例和说明，所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，只要不偏离发明的结构或者超越本权利要求书所定义的范围，均应属于本发明的保护范围。

Claims (3)

1.一种耐高温寿命长的光伏电缆生产工艺，其特征在于，包括以下步骤：
（1）将多根镀锡铜丝分层、多次正规绞合制成光伏电缆的导体线芯；
（2）在绞合好的导体线芯外表面绕包两层耐火云母带；
（3）在两层耐火云母带外挤包聚烯烃绝缘材料，形成绝缘层；
（4）在绝缘层外侧挤包热塑性低烟无卤阻燃聚烯烃护套层；
护套组分及重量份数为：聚烯烃树脂基料40-50份、硼酸锌10-15份、聚磷酸铵1-6份、紫外线吸收剂3-5份、防老剂0.2-1份、交联剂TAC1-3份、双季戊四醇2-6份、邻苯二甲酸二辛酯0.5-1.5份；
（5）将步骤（4）得到的护套层缆芯进行电子辐照加工，辐照剂量为20Mrd，辐照后接地放电，停放40h，即得到光伏电缆。
2.根据权利要求1所述的耐高温寿命长的光伏电缆生产工艺，其特征在于，所述步骤（2）耐火云母带的重叠率≥42%，绕包角为45-55°。
3.根据权利要求1所述的耐高温寿命长的光伏电缆生产工艺，其特征在于，所述防老剂为2-巯基苯并咪唑。
CN201511007193.4A 2015-12-30 2015-12-30 一种耐高温寿命长的光伏电缆生产工艺 Pending CN105655062A (zh)

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CN106098243A (zh) * 2016-05-31 2016-11-09 浙江汇力胶囊有限公司 一种太阳能光伏电缆的生产工艺
CN109473217A (zh) * 2018-08-31 2019-03-15 百通赫思曼工业（苏州）有限公司 一种薄壁绝缘耐火电缆
CN110648790A (zh) * 2019-10-12 2020-01-03 湖北力生电缆有限公司 一种环保型自然交联聚烯烃绝缘耐高温电线
CN117004110A (zh) * 2023-07-13 2023-11-07 双登电缆股份有限公司 一种高抗紫外线老化的光伏电缆及其制备方法

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CN101770837A (zh) * 2009-01-03 2010-07-07 安徽特力电缆有限公司 一种消防用电缆的制造方法
CN101914236A (zh) * 2010-08-19 2010-12-15 王进 一种辐照交联无卤高阻燃电缆料及其制备方法
CN102737769A (zh) * 2012-06-26 2012-10-17 常州八益电缆股份有限公司 一种新型核电站用低烟无卤阻燃型耐火耐冲击电缆
CN102977467A (zh) * 2012-11-05 2013-03-20 安徽金桥电缆有限公司 一种核电站用交联低烟无卤阻燃电缆料及其制备方法
CN204423958U (zh) * 2015-03-18 2015-06-24 中天科技装备电缆有限公司 海工平台用本质安全型耐油耐泥浆防火电缆

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CN109473217A (zh) * 2018-08-31 2019-03-15 百通赫思曼工业（苏州）有限公司 一种薄壁绝缘耐火电缆
CN110648790A (zh) * 2019-10-12 2020-01-03 湖北力生电缆有限公司 一种环保型自然交联聚烯烃绝缘耐高温电线
CN117004110A (zh) * 2023-07-13 2023-11-07 双登电缆股份有限公司 一种高抗紫外线老化的光伏电缆及其制备方法
CN117004110B (zh) * 2023-07-13 2024-04-02 双登电缆股份有限公司 一种高抗紫外线老化的光伏电缆及其制备方法

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