大功率微波加热设备的模拟信号传输系统设计

Analog Signal Transmission System of High Power Microwave Heating Equipment

摘要:

在复杂环境下,工业大功率微波加热设备中模拟信号传输系统的设计,对于设备的精确控制和安全运行至关重要;针对现有的模拟信号传输方案在复杂电磁环境下抗干扰能力低下的缺陷,提出一种基于光纤,并整合V/F转换器和FPGA组成的模拟信号传输解决方案;经过仿真分析和实验验证,该模拟信号传输系统抗复杂电磁干扰能力优于现有方案,同时传输精度高,连续传输误差小于0 .1%;该系统为复杂环境下工业大功率微波加热设备中模拟信号的传输提供了一个性能优良的解决方案。

Abstract:

Under the complex environment, in high power microwave heating equipment of the industry, accurate transmission of the analog signal is vital for the accuracy control and safety of the equipment. In view of the existing analog signal transmission scheme in complex electromagnetic environment of defects of low anti-interference ability, put forward an analog signal transmission solution based on optical fiber,and composed of V/F converter and FPGA. Through the simulation analysis and experimental verification, the analog signal transmission system complex electromagnetic interference resistance is superior to the existing scheme, high transmission precision at the same time, continuous transmission error is less than 0.1%.It provides a good performance for the analog signal transmission in industrial high power microwave heating equipment under the complex environment.