Study On Online Water Environment Monitoring System Based On The Internet Of Things

The application of online water environment monitoring system based on internet ofthings has greatly improved the effectivity and real-time collecting of water environmentmonitoring system, It is an implementation of autommtic online water environmentmonitoring network in the country. However, the technology of water environmentmonitoring and quickly moving analysis develops relatively late in china. Compared withEurope and the United States, the technology in our country is far behind them, which hasbeen in the exploratory stage now. Therefore, taking the East Lake in Wuhan as anexample, this paper put forwards the subject about study on online water environmentmonitoring system based on the internet of things.Online water Environment monitoring system with real-time automatic analyticalinstruments at the core, is a comprehensive on-line automatic monitoring network whichconsists of the technology of modern sensors, automatic measuring, automatic control,computer application and communications network. The internet of things organizenetworks through many ways such as: Bluetooth, Wi-Fi, ZigBee network and so on.According to the character of water environment monitoring, we choose ZigBee networkbased on CC2530as the internet of things. Besides, ZigBee network is more reliable,lower power consumption and more flexible frequency channel than the others.The paper proposes the implementation of the overall design of the online waterenvrionment monitoring system based on the internet of things. The design of system isseparated into three part: collecting sensor node, receiving and sending coordinator node,monitoring and controlling uper computer. Collecting sensor node is made up ofelectrochemical probe(temperature, pH, electrical conductivity, dissolved oxygen andturbidity), hardware modulate circuit and ZigBee sending node. Fist of all, Themeasured parameters are transformed as electric signals through electrochemical probe.Then, the electric signals are amplified and processed in modulate circuit. At last, theelectric signals are edited into digital signal reports, which are sending into coordinatornode. Coordinator node is consisted of ZigBee receiving and sending node andSereial/USB communication module. Receiving node is responsible for receiving thereports from sending node. Sereial/USB communication module contacts the upercomputer in order to commnicate and transport between each other. Uper computermonitoring not only processes reports in time through uper monitoring software, but also chart to data analysis and targeted monitoring.