高性能电缆在5G通信场景中的应用与优化

Application and Optimization of High-performance Cables in 5G Communication Scenarios

为满足5G网络对传输速率、稳定性和连接数量的要求,文中分析了5G通信网络的特点与需求,包括高速率、低时延和大连接数量,并针对这些需求,从材料选择、结构优化和制造工艺等方面进行了深入研究;对比了铜、铝、镀锡铜等导体的性能,研究了绝缘材料和护套材料的优化方法;在结构上,对电缆芯线、屏蔽层、接头与连接器进行了精细化设计。通过一系列实验和优化,成功研发出了一种高性能电缆。该电缆的导体电阻为1.75×10-6Ω·cm(铜导体),绝缘电阻达到1500 MΩ·km,介电强度在1500 V/1min内无击穿,屏蔽效能为70 dB,拉伸强度达到30 MPa(新型LWHR复合材料),断裂伸长率为350%,耐环境应力开裂时间超过1500 h,且烟密度为80,满足低烟无卤要求。该电缆在电气性能、机械性能和环保性能方面均表现出色,符合5G通信的高标准要求。

In order to meet the requirements of 5G network for transmission rate,stability and number of connections,this paper analyzes the characteristics and requirements of 5G communication network,including high speed,low latency and large number of connections.According to these requirements,in-depth research is carried out from the aspects of material selection,structural optimization and manufacturing process;the performance of copper,aluminum,tinned copper and other conductors is compared,and the optimization method of insulating materials and sheath materials is studied.In terms of structure,the cable core,shielding layer,connector and connector are carefully designed.Through a series of experiments and optimization,a highperformance cable was successfully developed.The conductor resistance of this cable is 1.75×10-6Ω·cm(copper conductor),the insulation resistance reaches 1500 MΩ·km,the dielectric strength is 1500 V/1min without breakdown,the shielding efficiency is 70 dB,the tensile strength reaches 30 MPa(new LWHR composite material),the elongation at break is 350%,the environmental stress cracking time exceeds 1500 h,and the smoke density is 80,which meets the requirements of low smoke and halogen-free.The cable performs well in terms of electrical,mechanical and environmental performance,meeting the high standards of 5G communication.