Design Of Cloud Management System For Online Atomic Absorption Spectrophotometer

The current water pollution problem has attracted the attention of the whole society.Due to the failure of the chemical industry to treat the polluted water in a timely and effective manner,the water quality in many places has been seriously polluted,and the disease caused by water pollution has appeared.The problems caused by these water pollution incidents have now become a reality.The concentration of heavy metals in rural rivers exceeds the standard,and the odor of urban sewage canals have become people's concerns.Therefore,the protection of water quality environment is extremely important,and water quality monitoring is the "eye" of water quality environmental protection.In the future urban development process,in order to ensure people's safe water use and the water resources environment of urban life,it is necessary to improve the ability of water quality monitoring and supervision,and propose an effective and practical solution and an advanced water quality monitoring system.This paper takes the online monitoring of water quality environment as the research background,and on the basis of atomic absorption spectrophotometer,designed and developed an online atomic absorption spectrophotometer cloud management software system based on B/S architecture.The on-site testing equipment uses the atomic absorption graphite furnace method for water quality testing,and uploads the testing data to the cloud server through the public wireless mobile network in real time,using the MQTT protocol,and obtains the remote control instructions forwarded by the server.To this end,this article first selects a wireless communication module based on the MQTT protocol,builds and configures the MQTT Broker cloud server,realizes instrument registration,user operation authority control,and message distribution related to detection data and instrument control instructions;secondly,The tornado framework based on the Python programming language has designed and developed an online monitoring software system,receiving messages and instructions from the MQTT Broker cloud server through the Paho MQTT Python Client,and finally realizing the data communication between the on-site testing instrument and the front-end control system.Online operation and control of field instruments.Through the system test,the online monitoring cloud management system can operate normally,the real-time data upload and the effect of remote control are relatively good,which meets the needs of the project,meets the design requirements,and provides a feasible way for online monitoring of water quality and environmental protection program.