采用嵌入式技术的智能电导率仪设计  

Design of Intelligent Conductivity Meter Based on Embedded Technology

作　　者：邱春毓 黄皎[1,2] 

机构地区：[1]河海大学物联网工程学院,常州213022 [2]江苏省输配电装备技术重点实验室,常州213022

出　　处：《微处理机》2014年第2期81-83,86,共4页Microprocessors

摘　　要：为了实时精确地测量水溶液的电导率,设计了一种高精度的智能电导率仪。系统采用S3C2440为核心控制处理器,包含时钟模块、正弦交流激励模块、精密整流模块、A/D采样模块、触摸屏显示模块、以太网接口模块、数据存储模块、故障报警模块等。提供数据采集和处理、触摸屏显示、以太网通信、故障报警等功能。实验数据表明,该仪表能准确测量水溶液的电导率,测量精度高、工作稳定可靠、重复性好,有较高的实用价值和推广意义。For accurate measurement precision conductivity meter is designed. of the aqueous solution conductivity in real -time, a high The system, using the S3C2440 as its core control processor, including clock module, sinusoidal AC excitation module, precision rectifier module, A/D sampling module, touch screen display module, ethernet interlace module, data storage module, fault alarm module,etc. , provides such functions as data acquisition and processing, touch screen display, ethernet communication and thult alarm. The experimental data show that it can accurately measure the conductivity of the aqueous solution with ils high measurement accuracy, good stability, high reliability and good reoeatabilitv. It has a high practical value and promotable significance.

关 键 词：电导率 S3C2440 嵌入式LINUX A D转换 

分 类 号：TH73[机械工程—仪器科学与技术]