Monitoring Control And Management System Of The Small Irrigation Pumping Station Group

With the rapid development of communication technology, computer technology and micro electronic technique, large and medium-sized pumping station’s management technology have been developing quickly. But many countryside small-sized irrigation pumping stations have been relatively low levels of automaton and management. The countryside small-sized irrigation pumping station takes a very important role in agricultural production. Aiming at this situation, the paper presents kind of a small-sized irrigation pumping station group monitoring control and management system..The system mainly divided into the field control unit and the host computer, the field control unit’s main feature is executing the host computer’s control command, monitoring the relevant parts of pumping station and transmitting the data of the pumping station controlling and monitoring. The system mainly uses the GPRS net to communicate. The system’s hardware mainly includes MCU,GPRS RTU module, electromagnetic relays, floating ball level switch, hall sensor and serial camera, pressure pickup level gage, electromagnetic flow meter, electric instrument. The field control units mainly include the main program, relay and hall sensor control program, picture gathering program, modbus communication program, and GPRS net communication program design. The host computer control software use the VB language, and is divided into real-time monitoring, data management, security alert, data analysis, management assessment. The system has the following main functions:monitoring multiple pumping stations through the host computer, the content mainly includes pumps on off status, pumps’ current and cumulative quantity, pumps’instantaneous flow and accumulated flow, a place before pump depth; making the pumps’ safely management, the content mainly includes give warning when the outlet sump’s water level exceeded limiting water level, informing a warning message when the pumping station’s door is opened, capturing local images, send alarm message when the pumping station’s data above the limiting record; managing historical data and image that the host computer was received from the field control unit through access database, analyzing historical data, the content mainly includes choosing some a pump’s historical current data and historical instantaneous flow data from the past some period of time to plot their curves of the relevant points; assessing pump management level through design a assessment methodology.The system can control and monitor running state and safety of the pumping station group, assess the pumping station group management level. The system can reduce management personnel, reduce the workload of managers. It is enforceable in countryside small-sized pumping stations management.