一种基于聚丙烯孔洞型铁电驻极体薄膜的新型传感器  

A Wireless Sensor Based on Polypropylene Ferroelectret Film

作　　者：孟召龙[1] 张晓青[1] 孙转兰[1] 李强[1] 陈安琪[1] 徐婷[1] 

机构地区：[1]同济大学电子与信息工程学院,上海201804

出　　处：《材料开发与应用》2010年第3期51-53,65,共4页Development and Application of Materials

摘　　要：采用聚丙烯孔洞型铁电驻极体薄膜作为机电转换材料,将其层叠封装制成压力传感元件,并设计电荷放大器将其输出信号放大,用无线发射模块/无线信号接收模块连以信号处理模块,做成无线传感器。这种无线传感器可用于报警、运动监测。One piece of piezoelectric-film of ferroelectret polypropylene is piled up to make a sensor by encapsulation.An amplifier is designed to enhance the output signal,then direct the amplified signal to a wireless transmitter,and a wireless receptor is contacted to a signal-processing module.This kind of wireless sensor can be used for alarming and activity monitoring.

关 键 词：聚丙烯孔洞型铁电驻极体薄膜 无线传感器 信号放大 无线发射与接收 

分 类 号：TP212.6[自动化与计算机技术—检测技术与自动化装置]