Design And Implementation Of Data Acquisition System Of Water Resources Detection Instrument Based On Raspberry Pie

The 40th anniversary of reform and opening up,China's economy has achieved miraculous growth,and the material and ?? ritual needs of the people have been greatly improved.However,the long-term rough economic development direction has made China's resource environment worse.Since the 18th National Congress,the party Central Committee with Xi Jinping as the core has made ecological civilization construction one of the overall layout of the country's "five in one" and is a major strategic task for realizing the great rejuvenation of the Chinese nation.Water resources are the basis for human survival on the earth and the source of life.However,with the emergence of marine debris,river industrial wastewater,and eutrophication of lakes,the problem of water pollution has become more serious.General Secretary Xi Jinping emphasized that "Green Mountain is the Jinshan Yinshan".Therefore,it is imperative to establish a comprehensive automatic detection system for water pollution levels and timely discover the pollution of water resources and environment.Gansu Water Quality Testing Center purchases a number of testing equipments according to the needs of water resources testing.These testing equipments have high sensitivity and accurate measurement,and the water quality testing technology adopted is at the national leading level.However,the data output interfaces of these devices are wired serial ports,and the data collection for these devices also needs to be performed by the staff to reach the collection field connection serial port,which is time consuming and laborious.The main content of the thesis is to design and implement an automatic data collection and uploading system for water resources.The data detected by each water quality detector is collected in real time through the serial port and the network to achieve centralized storage,centralized storage and real-time display.The data acquisition system of the project is divided into three subsystems,namely the data acquisition subsystem based on Raspberry Pi serial port,the data upload subsystem based on 4G network,and the data display subsystem based on relational database.Among them,the data acquisition subsystem adopts serial communication technology,Raspberry Pi embedded system construction and transplantation technology to realize automatic collection of water resources detection instrument data;data upload subsystem adopts 4G network communication technology,and the client server network communication principle realizes water The resource uploads test data in real time at high speed;the data display subsystem uses UI design technology,database technology and JSP website development technology to uniformly store water resource detection data and present it to relevant personnel in real time.The data acquisition system based on the Raspberry Pi water detector integrates various information technologies such as information collection,information transmission and information processing.Comprehensive,real-time,automated data collection for each water quality testing device,data integrity check,data secure transfer,data reliability storage and data convenience search.The automation and intelligence of the water quality testing system of the Gansu Water Quality Testing Center has been realized.