基于Zigbee技术的农作物温室大棚监控系统的设计和实现

发布时间：2018-02-13 10:51

  本文关键词： 温室大棚 监控系统 Zigbee节点 上位机 传感器　出处：《电子科技大学》2014年硕士论文　论文类型：学位论文

【摘要】：农作物温室大棚是一种高密集型的农业生产技术,相对于普通户外种植,它能提高农产品的产量与质量。在大棚内,影响农作物生长的主要因素有:温度、湿度和二氧化碳浓度等环境参数。为了支持农业精细化耕作,进一步提高生产效率,降低生产成本,需对温室大棚内的环境参数进行随时监测和控制,确保农作物处于适宜它们生长的环境中。传统温室大棚监控系统一般采用有线连接方式,存在着布线难度大、成本高和维护不便等问题。近年来,随着无线传感器网络研究领域的不断进步,IEEE 802.15工作组提出了Zigbee协议。基于Zigbee协议组建的短距离无线通信网络,具有自组织、低复杂度、低功耗、低成本和高数据传输率等优点,适用于自动控制和远程控制领域。在此应用背景下,本文设计了一套基于Zigbee技术的农作物温室大棚监控系统。本文将农作物温室大棚监控系统分为两大子系统,分别是:棚内下位机子系统和远端上位机子系统。棚内下位机子系统由Zigbee节点和传感器组成,负责实现数据的采集与传输。数据传输采用了Zigbee和GPRS两种无线通信技术,其中Zigbee技术负责将终端节点中的数据传输至协调器节点中,GPRS技术负责将协调器节点中的数据发送至远端上位机。上位机模块利用组态王软件工具实现了PC端的数据获取与监控功能,并在此基础上进行二次开发。在棚内下位机子系统方面,论文完成了农作物温室大棚监控系统的硬件设计,包含:Zigbee模块选择;Zigbee数据采集节点的传感器选型与设计;节点通信模块与组网关键技术研究。在远端上位机子系统方面,论文完成了了农作物温室大棚监控系统的软件设计,包含:监控选件开发环境的选择;监控软件界面与功能设计;串口通信的设置。论文解决了农作物温室大棚环境监控系统中的软硬件设计与选型、Zigbee节点模块整合、组网传输和编程实现等技术难题。经实验证明,本系统可实时获取温室大棚中的环境参数数据,工作表现稳定,可满足实际需求。最后,对已完成工作进行总结,并对将来工作进行展望。
[Abstract]:Crop greenhouse greenhouse is a kind of high-intensive agricultural production technology, it can improve the yield and quality of agricultural products compared with ordinary outdoor planting. In the greenhouse, the main factors that affect the growth of crops are: temperature, Environmental parameters such as humidity and carbon dioxide concentration. In order to support fine farming, further improve production efficiency and reduce production costs, environmental parameters in greenhouse should be monitored and controlled at any time. In recent years, the traditional greenhouse monitoring system generally adopts wired connection mode, which has the problems of difficult wiring, high cost and inconvenient maintenance. With the development of wireless sensor network research field, the Zigbee protocol has been proposed by the IEEE 802.15 working group. The short-range wireless communication network based on Zigbee protocol has the advantages of self-organization, low complexity, low power consumption, low cost and high data transmission rate. It is suitable for automatic control and remote control. In this application background, this paper designs a set of crop greenhouse greenhouse monitoring system based on Zigbee technology. In this paper, the crop greenhouse greenhouse monitoring system is divided into two subsystems. The system is composed of Zigbee node and sensor, which is responsible for data acquisition and transmission. Data transmission adopts two wireless communication technologies, Zigbee and GPRS. The Zigbee technology is responsible for transmitting the data from the terminal node to the coordinator node, which is responsible for sending the data from the coordinator node to the remote host computer. According to the acquisition and monitoring function, The hardware design of the monitoring system of crop greenhouse is completed, which includes the sensor selection and design of the selection of Zigbee data acquisition node in the 1: Zigbee module. Research on the key technologies of node communication module and networking. In the aspect of remote host computer subsystem, the paper has completed the software design of crop greenhouse greenhouse monitoring system, including: the choice of monitoring and selecting development environment; Monitoring software interface and function design; serial port communication setting. The paper solves the technical problems of hardware and software design and selection of Zigbee node module integration, network transmission and programming realization in the environment monitoring system of crop greenhouse. The system can obtain the data of environmental parameters in greenhouse in real time, the performance of the system is stable and can meet the actual needs. Finally, the completed work is summarized, and the future work is prospected.
【学位授予单位】：电子科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TP277;TN92
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本文编号：1507989