工频电磁场测量仪的设计与研究  

Design and Research of Power-frequency Electromagnetic Fields Measurer

作　　者：徐小顺[1] 张天奇 

机构地区：[1]武汉大学,湖北武汉430072 [2]国家数控系统工程技术研究中心,湖北武汉430074

出　　处：《机械与电子》2005年第8期33-34,共2页Machinery & Electronics

摘　　要：以空间电磁场分布为研究对象,根据电磁感应法理论和计算机技术研制了工频电磁场测量仪。详细介绍了基于单片机P89C51RC+,高精度低噪声仪用差动放大器AD624,以及具有三态缓冲电路,可与8/16位微处理器总线挂接,12位逐次逼近式模数转换芯片AD574的工频电磁场测量系统软硬件设计。For the sake of the research space the electromagnetism ranged, based electromagnetic induction method and calculator technique, power- freguency electromagnetic fields measurer; P89cS1RC＋ AD624; AD574 This article detail about connection of highly precious and low noise AD624 and circus link the bus of 8/16 bit microcontroller, in an addition, the design on hardware and software of measurement of power - frequency electromagnetic fields of 12 bits successive approximation A/D574converter.

关 键 词：工频电磁场 测量 P89CS1RC+ AD624 AD574 

分 类 号：TH89[机械工程—仪器科学与技术]