多参数水质监测仪流路系统设计  

Design of the Flow Path System for Multi-parameter Water Quality Monitor

作　　者：郭建 温志渝 魏康林 陈松柏 

机构地区：[1]新型微纳器件与系统技术国防重点学科实验室,重庆400044 [2]微纳系统及新材料技术国际研究中心,重庆400044

出　　处：《自动化仪表》2012年第2期80-82,86,共4页Process Automation Instrumentation

基　　金：科技部国际科技合作基金资助项目(编号:2007DFC00040);国家"863"基金资助项目(编号:2007AA042101)

摘　　要：针对流路系统的优化设计这一多参数水质监测仪器中的关键技术,设计了一种集成化多样品多试剂顺序进样、顺序检测的流路系统。该系统由微电子多位阀、微型步进电机蠕动泵等流控器件和以单片机为核心的控制电路构成,具有多样品多试剂顺序进样的流路切换和试样的精确抽取功能。测试结果表明,流路系统满足快速切换和精确进样的在线水质监测要求。Aiming at the key technology for an optimization design of the flow path system in water quality monitoring instruments with multiple parameters,the integrated flow path system featuring multi-sample,multi-reagent,sequencing sample feeding and sequencing detection is designed.The system consists of flow control devices,including microelectronic multi-position valve,micro-step motor peristaltic pump,etc.,and the control circuit with single chip computer as kernel.It possesses functions of flow path switchover for multi-sample,multi-reagent,sequencing sample feeding and accurate extraction.The result of test shows that the flow path system satisfies the requirements of online water quality monitoring with quickly switchover and accurately sample feeding.

关 键 词：水质监测 流路系统 51单片机 多位阀 微型蠕动泵 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论]