Research Of The System About Remote Acquisition And Wireless Transmission For Field Information

The essence of precision agriculture is that obtaining the best economic and ecologicalbenefits with the least amount of inputs according to the actual demand of agriculturalinformation，and realizing the sustainable development of agriculture. Not much research has beendone in information acquisition and transmission technology of the whole system of precisionagriculture.However，Data measurement and storage through the sensor and MCU have extensiveapplication and development in the defense industry and agriculture and other industries.Inaddition，the development of GPRS technology brings data acquisition methods of the transmissionof data acquisition system tremendous changes.On this basis，this article researched and designed a kind of system about remote acquisitionand wireless transmission for field information，which could pick up the multiple attributeinformation of the field，and could achieve fusion of various data，and achieved the wirelesstransmission and processing of got information.The system in this article made full use of themature GPRS wireless communication technology.This article was specific to the current situationthat the information crawl technology was relatively backward and the efficiency of data collectionis low among our country agricultural production and management in current.This paper proposed a design proposal of remote access to field information and wirelesstransmission system.The field of wireless remote monitoring system was developed with theintegration of sensor technique，SCM technology and wireless communication technology.Thismulti-function remote data monitoring and control system included a large amount of modernadvanced technologies，and it could meet almost all requirements of the Remote informationmonitor system.This system mainly included four parts: soil moisture acquisition module， automaticmeteorological station module，GPRS wireless module and Computer monitoring and controlcenter module，which based on he thought of Modular design.The system could monitor variousimpact factors(soil temperature，soil humidity， ambient temperature，ambient humidity and soon)the field continuously around the clock，and transmit these data to the monitoring centercomputer for further inventory analysis.This system could provide the data to agricultural workersfor managing farmland accurately and making the right decisions.And the system boosted thedevelopment of precision agriculture.The research and application of this system enriched relevant theory of data acquisition， established the foundation for forecasting agricultural information，pushed the production of ouragriculture.The innovation point of the system in the field of data acquisition as follows:(1)This paper considered that the system could collect soil moisture information andenvironment meteorological information at the same time，that collected the two pieces ofinformation by soil moisture information acquisition module and weather station module，that usedthe data collector to transmit data to the GPRS network in the end.(2)The GPRS wireless communication technique was applied to farmland informationtransmission field in this paper. Linked with the Internet seamlessly，GPRS networks provideclients who need not go out of their office field information.In practice， that could promoteadministration level and policy-making ability of farmland administrators and save large amountof manpower and materials.(3)The system was running in the fields，so it chose the form of “solar-cell panel+storagebattery” in the mode of power supply.If the system was in more plentiful sunshine，solar panelsconverted solar energy to support the load operation and store electrical energy;If the system wasin the evening or rainy days，battery power supplied support load operation.This way of modularpower supply could make full use of solar energy，was in line with the requirements of sustainabledevelopment.