基于CPLD的SF_6微量气体浓度检测仪  

Micro-concentration Detector for SF_6 Based on CPLD

作　　者：朱昌平[1] 单鸣雷[1] 刘永富[1] 张红苹[1] 

机构地区：[1]河海大学计信学院

出　　处：《仪器仪表学报》2005年第z1期448-449,共2页Chinese Journal of Scientific Instrument

基　　金：国家重点实验室开放基金课题(近声0401号);常州市;河海大学常州校区创新基金资助项目

摘　　要：通过综合应用复杂可编程逻辑器件(CPLD)与超声技术,实现了可实时监控的SF6微量气体浓度检测仪的研制,精度可达50ppm,与传统的SF6微量气体浓度检测仪相比,该仪器具备操作简便、价格便宜等优点。仪器核心内容已分别申报发明(200510037936.2)和实用新型专利(200520069403.8),已在进行产品生产。Combining complex programmable logic device (CPLD) and ultrasonic technology, a microcon-centration detector for SF6with air as background is developed,which can monitor the thickness of SF6real-timelywith the precision of 50ppm.Compared with the traditional micro-SF6thickness detectors,the detector is more op-erational and cheaper,etc.Two patents,one invention patent (200510037936.2) and one new practicality patent(200520069403.8),protect the core of the detector.And the sensor is in the process of producing.

关 键 词：CPLD 超声技术SF6浓度检测 

分 类 号：TH7-55[机械工程—仪器科学与技术]