一种低功耗NB-IOT水质COD在线监测节点设计  

Design of Low-Power Water Quality COD Online Monitoring Node Based on NB-IOT

作　　者：崔峰 张华 袁玲双 陈鑫 潘颖 

机构地区：[1]大庆师范学院机电工程学院,黑龙江大庆163712 [2]黑龙江省海澈环保科技有限公司,黑龙江大庆163316 [3]黑龙江省大庆生态环境监测中心,黑龙江大庆163316

出　　处：《工业控制计算机》2023年第11期47-49,69,共4页Industrial Control Computer

基　　金：大庆市指导性科技计划项目“基于WSN的地表水质COD在线监测系统设计与实现”(zdy-2019-63)。

摘　　要：针对地表水体COD参数在实验室通过化学法分析效率低的问题,设计了一种低功耗水质COD在线监测节点。节点采用NB-IOT无线通信技术向云服务器传输COD数据,主控处理器采用了TI公司的MSP430系列超低功耗单片机。节点采用太阳能电池板和锂电池的组合供电模式,软硬件系统采取了多种低功耗设计,保证了节点长期稳定运行。经试验分析,该监测节点运行可靠、COD数据采集精度满足要求。Aiming at the low efficiency of chemical method analysis of surface water COD parameters in the laboratory,a low-power consumption water quality COD online monitoring node is designed in this paper.The node uses NB-IOT wireless communication technology to transmit COD data to the cloud server,and the main control processor uses TI's MSP430 series ultra-low-power single-chip microcomputer.The node adopts a combined power supply mode of solar panels and lithium batteries,and the software and hardware systems adopt a variety of low-power designs to ensure long-term stable operation of the node.The test analysis shows that the monitoring node is reliable and the COD data acquisition accuracy meets the requirements.

关 键 词：COD监测 NB-IOT 低功耗 MSP430 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置] X84[自动化与计算机技术—控制科学与工程]