微处理机
微處理機
미처리궤
MICROPROCESSORS
2014年
2期
81-83,86
,共4页
电导率%S3C2440%嵌入式Linux%A/D转换
電導率%S3C2440%嵌入式Linux%A/D轉換
전도솔%S3C2440%감입식Linux%A/D전환
Conductivity%S3C2440%Embedded Linux%A/D converter
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S3 C2440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。
為瞭實時精確地測量水溶液的電導率,設計瞭一種高精度的智能電導率儀。繫統採用S3 C2440為覈心控製處理器,包含時鐘模塊、正絃交流激勵模塊、精密整流模塊、A/D採樣模塊、觸摸屏顯示模塊、以太網接口模塊、數據存儲模塊、故障報警模塊等。提供數據採集和處理、觸摸屏顯示、以太網通信、故障報警等功能。實驗數據錶明,該儀錶能準確測量水溶液的電導率,測量精度高、工作穩定可靠、重複性好,有較高的實用價值和推廣意義。
위료실시정학지측량수용액적전도솔,설계료일충고정도적지능전도솔의。계통채용S3 C2440위핵심공제처리기,포함시종모괴、정현교류격려모괴、정밀정류모괴、A/D채양모괴、촉모병현시모괴、이태망접구모괴、수거존저모괴、고장보경모괴등。제공수거채집화처리、촉모병현시、이태망통신、고장보경등공능。실험수거표명,해의표능준학측량수용액적전도솔,측량정도고、공작은정가고、중복성호,유교고적실용개치화추엄의의。
For accurate measurement of the aqueous solution conductivity in real -time,a high -precision conductivity meter is designed.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 interface module,data storage module,fault alarm module,etc.,provides such functions as data acquisition and processing,touch screen display,ethernet communication and fault alarm. The experimental data show that it can accurately measure the conductivity of the aqueous solution with its high measurement accuracy,good stability,high reliability and good repeatability.It has a high practical value and promotable significance.