CN110767372A - 5g基站用光电复合缆 - Google Patents
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Abstract
本发明公开了一种5G基站用光电复合缆,包括外层组件和内层组件,所述外层组件由外而内依次包括阻燃外护套、铠装层、铝阻燃护套、隔热层和外无纺布包带。与现有技术相比,本发明的有益效果是:通过设置多层的阻燃隔热层,以阻止外部的热量对复合缆内部造成影响,保证其信号传输性能及时准确,且能够抵抗压力,避免因外部力量造成损坏。所述正极电力线缆包括三个正极导线;所述负极电力线缆包括三个负极导线;所述三个正极导线和所述三个负极导线交替设置在所述六个凹槽内;电力线缆与单根导线相比,分裂成120度圆周均匀设置的三根导线(正极和负极电力线缆都是如此),能使电力线缆的电感减小、电容增大,使其对交流电的波阻抗减小。
Description
技术领域
本发明涉及一种光电复合缆,特别涉及5G基站用光电复合缆,属于通信技术领域。
背景技术
光电复合缆适用于宽带接入网系统中作传输线,是一种新型的接入方式,它集光纤、输电铜线于一体,可以解决宽带接入、设备用电、信号传输的问题。随着通信事业蓬勃兴起,通信网络业务中电话业务呈平稳的增长趋势,而数据业务呈指数增长态势,语音、数据和图像等的多媒体均需传输,所以需要更大的网络容量和更宽的带宽。光电复合缆适用于宽带接入网系统中作传输线,是一种新型的接入方式,它集光纤、输电铜线于一体,可以解决宽带接入、设备用电、信号传输的问题。
传统技术存在以下技术问题:
5G基站用光电线缆的安全性要求更高,如耐温及抗压,而目前的5G基站用光电复合缆性能无法达到要求。
发明内容
本发明的目的在于提供一种光电复合缆,光通信、电力传输同步进行,且能够符合耐高温、抗压要求。
为实现上述目的,本发明提供如下技术方案:
一种5G基站用光电复合缆,包括外层组件和内层组件,所述外层组件由外而内依次包括阻燃外护套、铠装层、铝阻燃护套、隔热层和外无纺布包带;所述内层组件包括PVC绝缘套、正极电力线缆、负极电力线缆和设置在所述PVC绝缘套内的多根光缆;所述PVC绝缘套的外边缘上环形均匀设置六个凹槽;所述正极电力线缆包括三个正极导线;所述负极电力线缆包括三个负极导线;所述三个正极导线和所述三个负极导线交替设置在所述六个凹槽内;所述光缆包括由内到外的单芯紧套光纤、单芯紧套光纤外皮以及填充于所述单芯紧套光纤与所述单芯紧套光纤外皮之间的抗拉增强层。
在其中一个实施例中,所述隔热层为防火云母带。
在其中一个实施例中,所述铠装层为皱纹铜管或皱纹钢管。
在其中一个实施例中,所述正极导线和所述负极导线的结构相同,均包括由内到外的铜芯电线和绝缘护套。
在其中一个实施例中,所述绝缘护套材料为PVC材料、LSZH材料或PE材料。
在其中一个实施例中,所述正极导线和所述负极导线上均设置有相应的导线识别标识。
在其中一个实施例中,所述抗拉增强层为芳纶纱层或玻璃纱层。
在其中一个实施例中,所述凹槽包括底面和侧面,侧面与底面的夹角为90°~140°。
在其中一个实施例中,所述多根光缆上均设置有光缆识别标识。
在其中一个实施例中,所述内层组件还包括多条加强绳,多条所述加强绳分布于所述多根光缆的空隙处。
与现有技术相比,本发明的有益效果是:
通过设置多层的阻燃隔热层,以阻止外部的热量对复合缆内部造成影响,保证其信号传输性能及时准确,且能够抵抗压力,避免因外部力量造成损坏。所述正极电力线缆包括三个正极导线;所述负极电力线缆包括三个负极导线;所述三个正极导线和所述三个负极导线交替设置在所述六个凹槽内;电力线缆与单根导线相比,分裂成120度圆周均匀设置的三根导线(正极和负极电力线缆都是如此),能使电力线缆的电感减小、电容增大,使其对交流电的波阻抗减小,提高光电复合缆的输电能力。所述三个正极导线和所述三个负极导线交替设置在所述六个凹槽内,使得导线不易松动,分裂成120度圆周均匀设置的三根导线(正极和负极电力线缆都是如此)的结构保持稳定。
附图说明
图1为本发明5G基站用光电复合缆的剖视图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
参阅图1,一种5G基站用光电复合缆,包括外层组件和内层组件,所述外层组件由外而内依次包括阻燃外护套110、铠装层120、铝阻燃护套130、隔热层140和外无纺布包带150;所述内层组件包括PVC绝缘套210、正极电力线缆220、负极电力线缆230和设置在所述PVC绝缘套内的多根光缆240;所述PVC绝缘套的外边缘上环形均匀设置六个凹槽211;所述正极电力线缆包括三个正极导线;所述负极电力线缆包括三个负极导线;所述三个正极导线和所述三个负极导线交替设置在所述六个凹槽内;所述光缆包括由内到外的单芯紧套光纤、单芯紧套光纤外皮以及填充于所述单芯紧套光纤与所述单芯紧套光纤外皮之间的抗拉增强层。
通过设置多层的阻燃隔热层,以阻止外部的热量对复合缆内部造成影响,保证其信号传输性能及时准确,且能够抵抗压力,避免因外部力量造成损坏。所述正极电力线缆包括三个正极导线;所述负极电力线缆包括三个负极导线;所述三个正极导线和所述三个负极导线交替设置在所述六个凹槽内;电力线缆与单根导线相比,分裂成120度圆周均匀设置的三根导线(正极和负极电力线缆都是如此),能使电力线缆的电感减小、电容增大,使其对交流电的波阻抗减小,提高光电复合缆的输电能力。所述三个正极导线和所述三个负极导线交替设置在所述六个凹槽内,使得导线不易松动,分裂成120度圆周均匀设置的三根导线(正极和负极电力线缆都是如此)的结构保持稳定。
在本发明中外层组件同时具有阻燃及抗压性能,且阻燃外护套、铝阻燃护套、隔热层和外无纺布包带均能够阻燃隔热,以最大限度的保护内层组件,防止内层组件产生高温,特别是对单芯紧套光纤构成保护,使光通信即使准确,保证信号传输及快速分析反馈;通过铠装层和铝阻燃护套能够达到抗压的作用,防止复合缆发生形变等损伤。具体地,所述隔热层可以为防火云母带。所述铠装层为皱纹铜管或皱纹钢管。
光缆包括单芯紧套光纤和单芯紧套光纤外皮,还可以包括填充于单芯紧套光纤和单芯紧套光纤外皮之间的抗拉增强层,根据行业内部标准,通常情况单芯紧套光纤外皮的厚度为2mm。紧套光纤是光纤的一种类型,是对涂覆光纤进行保护后形成的一种常用的光纤种类,本实施例一中的紧套光纤为单芯紧套光纤。上述抗拉增强层用于增强光电复合缆的抗拉性能,抗拉增强层可以为芳纶纱形成的芳纶纱层或玻璃纱形成的玻璃纱层。当然,抗拉增强层还可以由其它的材料制成,本发明不对抗拉增强层的材质作限制。
所述正极导线和所述负极导线的结构相同,均包括由内到外的铜芯电线和绝缘护套。所述绝缘护套材料为PVC材料、LSZH材料或PE材料。光电复合缆中,正极导线和负极导线均可以设置有电缆识别标识,以避免错接。正极导线和负极导线可以用不同的颜色区分,例如正极导线用红线,负极导线用黑色。上述正极导线和负极导线还可以采用文字符号等其它标识以示区分。同理,当光缆为多根时,每根光缆上均设置有光缆识别标识,以防错接,例如颜色标识和文字标识(例如编号)等。
为了方便导线卡扣入凹槽内,所述PVC绝缘套外侧上的凹槽的底面和侧面的夹角可以在90°~140°的范围内。
所述内层组件还包括多条加强绳250,多条所述加强绳分布于所述多根光缆的空隙处。多条加强绳可以增强光电复合缆的抗拉性能的同时,能够较好地填充由于光缆较少形成于光电复合缆内部的空隙,避免光电复合缆内部空隙较多带来的力学性能差,应力集中的问题。加强绳可以采用聚酯带、锡箔带、芳纶丝、玻璃纤维丝等材料制成。
以上所述实施例仅是为充分说明本发明而所举的较佳的实施例,本发明的保护范围不限于此。本技术领域的技术人员在本发明基础上所作的等同替代或变换,均在本发明的保护范围之内。本发明的保护范围以权利要求书为准。
Claims (10)
1.一种5G基站用光电复合缆,其特征在于:包括外层组件和内层组件,所述外层组件由外而内依次包括阻燃外护套、铠装层、铝阻燃护套、隔热层和外无纺布包带;所述内层组件包括PVC绝缘套、正极电力线缆、负极电力线缆和设置在所述PVC绝缘套内的多根光缆;所述PVC绝缘套的外边缘上环形均匀设置六个凹槽;所述正极电力线缆包括三个正极导线;所述负极电力线缆包括三个负极导线;所述三个正极导线和所述三个负极导线交替设置在所述六个凹槽内;所述光缆包括由内到外的单芯紧套光纤、单芯紧套光纤外皮以及填充于所述单芯紧套光纤与所述单芯紧套光纤外皮之间的抗拉增强层。
2.根据权利要求1所述的5G基站用光电复合缆,其特征在于:所述隔热层为防火云母带。
3.根据权利要求1所述的5G基站用光电复合缆,其特征在于:所述铠装层为皱纹铜管或皱纹钢管。
4.根据权利要求1所述的5G基站用光电复合缆,其特征在于:所述正极导线和所述负极导线的结构相同,均包括由内到外的铜芯电线和绝缘护套。
5.根据权利要求4所述的5G基站用光电复合缆,其特征在于:所述绝缘护套材料为PVC材料、LSZH材料或PE材料。
6.根据权利要求1所述的5G基站用光电复合缆,其特征在于:所述正极导线和所述负极导线上均设置有相应的导线识别标识。
7.根据权利要求1所述的5G基站用光电复合缆,其特征在于:所述抗拉增强层为芳纶纱层或玻璃纱层。
8.根据权利要求1所述的5G基站用光电复合缆,其特征在于:所述凹槽包括底面和侧面,侧面与底面的夹角为90°~140°。
9.根据权利要求1所述的5G基站用光电复合缆,其特征在于:所述多根光缆上均设置有光缆识别标识。
10.根据权利要求1所述的5G基站用光电复合缆,其特征在于:所述内层组件还包括多条加强绳,多条所述加强绳分布于所述多根光缆的空隙处。
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