摘要
针对目前国内温室环境参数有线监测系统的不足,设计了一种温室环境无线传感器节点。节点硬件以Mica2节点为核心,使用SHT11传感器测量室内温度和相对湿度,使用TSL2561传感器测量室内光照度。节点工作频段433MHz,比2.4GHz频段的无线传感器节点具有更好的绕射传输能力。节点软件设计采用TinyOS操作系统,用软件看门狗提高节点的抗干扰能力,通过ACK传输机制提高无线通信质量。测试结果表明,该节点运行较稳定,可用于温室环境实时监测。
In order to overcome the deficiencies of the cable monitoring system, a wireless sensor node for monitoring the greenhouse environmental factors was designed. The node hardware was designed based on the Mica2 node. The digital sensor SHT11 was adopted to measure the indoor temperature and relative humidity. The sensor TSL2561 was adopted to measure the indoor illumination intensity. The node operates in the 433MHz band, and has the better diffraction transmission capability than that operating in the 2. 4GHz band. The node software was developed based on the TinyOS operating system. The software watchdog was used to improve the anti-jamming ability of the nodes. The ACK mechanism was used to guarantee the good wireless communication quality. The test results show that the node can run stably and can be used to monitor the greenhouse environment in future.
作者
尹晶晶
徐振峰
YIN Jing-jing XU Zhen- feng(School of Electrical Technology, Anhui Vocational College of Defense Technology,Lu＇an 237011 ,China)
出处
《西安航空学院学报》
2017年第5期57-60,共4页
Journal of Xi’an Aeronautical Institute
基金
安徽省高校自然科学研究重点项目(KJ2016A121)
