A Precise Sensor for SF_6 Based on Piezoelectric Ultrasound

作     者：Changping Zhu Minglei Shan Hongping Zhang Xiaohua Zhang Peng Zhen Yuanyun Tao 

作者机构：Department of Computer ＆ Information Engineering Hohai University Changzhou 210032 China State Key Laboratory of Hydrology-water Resources And Hydraulic Engineering Hohai University Nanjing 210098 China Data Division of ZTE Corporation Nanjing 210012 China East China University of Science ＆ Technology Shanghai 200237 China 

出 版 物：《稀有金属材料与工程》 (Rare Metal Materials and Engineering)

年 卷 期：2006年第35卷第A3期

页      面：157-158页

核心收录：

学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：This work was supported by National Natural Science Foundation of China (10574038) development project of high-tech industry of universities in Jiangsu (JHB05-08) Changzhou scientific and technological bureau (CE2005026) 

主　　题：ultrasound detection gas concentration CPLD 

摘      要：Based on piezoelectric ultrasound technology,the paper theoretically analyses the determination of gas concentration and presents a norm-contrast method,which is realized by high-speed chip CPLD (Complex programmable logic device),to determine the concentration of SF_6 accurately with air as *** is proved that this sensor can determine the concentration of SF_6 with the precision of 50μg/*** sensor is in the process of producing.