基于ZigBee無線傳感器網(wǎng)絡(luò)的林區(qū)局地環(huán)境監(jiān)測系統(tǒng)
本文選題:森林 切入點:環(huán)境因子 出處:《中國農(nóng)業(yè)科技導(dǎo)報》2017年06期 論文類型:期刊論文
【摘要】:針對林區(qū)局地環(huán)境監(jiān)測實時性差、長期監(jiān)測困難等不足,設(shè)計并實現(xiàn)了一種基于ZigBee無線傳感器網(wǎng)絡(luò)的林區(qū)局地環(huán)境監(jiān)測系統(tǒng)。系統(tǒng)運用無線網(wǎng)絡(luò)協(xié)議ZigBee搭建無線傳感器網(wǎng)絡(luò),結(jié)合GPRS通訊技術(shù)將獲取的數(shù)據(jù)發(fā)送至監(jiān)控中心,實現(xiàn)數(shù)據(jù)的實時顯示、存儲、分析與可視化。系統(tǒng)主要由傳感節(jié)點、路由器、網(wǎng)關(guān)與監(jiān)控中心組成,結(jié)構(gòu)簡單實用,節(jié)點放置位置靈活,不受地理環(huán)境限制,能夠較好的監(jiān)測空氣中溫濕度、大氣壓強、光照強度、二氧化碳濃度、土壤含水率等林區(qū)關(guān)鍵環(huán)境因子。通過太陽能供電系統(tǒng),采用CC2530和CC2591無線通信模塊,并將多傳感器集成到傳感節(jié)點,較好解決了無線傳感器網(wǎng)絡(luò)在林區(qū)應(yīng)用過程中的節(jié)點能量不足、通信距離短以及監(jiān)測參數(shù)不全等問題,實現(xiàn)了對林區(qū)局地環(huán)境的實時監(jiān)測。試驗表明,節(jié)點在空曠地方有效通信距離最大可達510.6 m,在樹林中有效通信距離最大可達177.5 m;在太陽能與鋰電池共同供電下,節(jié)點能量能夠自給自足;在組網(wǎng)測試中,整個網(wǎng)絡(luò)收包率為96.7%,能夠滿足林區(qū)環(huán)境監(jiān)測要求。
[Abstract]:A ZigBee wireless sensor network based forest local environment monitoring system is designed and implemented in view of the poor real-time and long-term monitoring difficulties of local environment monitoring in forest area. The system uses wireless network protocol (ZigBee) to build wireless sensor network. Combined with GPRS communication technology, the acquired data is sent to the monitoring center to realize the real-time display, storage, analysis and visualization of the data. The system is mainly composed of sensor nodes, routers, gateways and monitoring centers, and the structure is simple and practical. The node is located flexibly and is not restricted by geographical environment. It can monitor the key environmental factors of forest area such as air temperature and humidity, atmospheric pressure, light intensity, carbon dioxide concentration, soil moisture content and so on. Adopting CC2530 and CC2591 wireless communication module, and integrating multi-sensor into sensor node, the problems such as lack of node energy, short communication distance and incomplete monitoring parameters in the application of wireless sensor network in forest area are well solved. The real time monitoring of the local environment in the forest area has been realized. The test results show that the maximum effective communication distance of the node in the open area can reach 510.6 m, and the maximum effective communication distance in the forest is 177.5 m. The node energy can be self-sufficient, and in the network testing, the whole network packet collection rate is 96.7g, which can meet the requirements of forest environmental monitoring.
【作者單位】: 福州大學空間數(shù)據(jù)挖掘與信息共享教育部重點實驗室地理空間信息技術(shù)國家地方聯(lián)合工程研究中心;
【基金】:國家自然科學基金項目(41471334) 福建省科技重點項目(2016Y0058)資助
【分類號】:S758.4;TP274
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