用于智能监测设备供电的复合绝缘子传能结构

Composite Insulator Energy Transmission Structure for Power Supply of Intelligent Monitoring Instruments

为了实现高压输电线路智能监测设备的稳定不间断供电,本文在智能监测设备无线供电系统的基础上,建立了一种内嵌线圈复合绝缘子的传能结构。根据复合绝缘子制作工艺的特点,结合多层印刷电路板的特性,设计了一种可嵌入绝缘子内部的PCB线圈板,并对其嵌入特性和高压绝缘性能进行验证。然后通过数学推导和试验分析,完成基于中空因数和渐变线宽的PCB线圈板优化,最终完成110kV复合绝缘子传能结构的设计并进行实验验证。研究结果表明:设计的新型复合绝缘子传能结构在满足高压绝缘要求的同时,可实现传输距离为1.13 m的无线电能传输。所提出的传能结构便于生产应用,可为智能监测设备供电系统的设计提供一种具有可行性的方案。

In order to achieve the stable and uninterrupted power supply of intelligent monitoring instruments for high voltage transmission lines,an energy transmission structure of composite insulators with embedded coils was established based on the wireless power supply system for intelligent monitoring instruments.According to the characteristics of fabrication process of composite insulator and printed circuit board(PCB),a PCB coil board which can be embedded in the insulator was designed,and its embedding characteristics and high voltage insulation performance were verified.On this basis,through mathematical derivation and experimental analysis,the PCB coil board was optimized based on hollow factor and gradual line width.Finally,the design of 110 kV composite insulator energy transmission structure was completed,and experiments were performed to verify its ability.The results show that this new type of composite insulator meets the requirements of high voltage insulation,and can realize the wireless power transmission with distance of 1.13 m.The proposed structure is convenient for production and installation,which can provide a feasible scheme for the design of power supply system of intelligent monitoring instruments.