基于WSNs和电力载波的教室智能节能系统设计

Design of Classroom Intelligent Energy Saving System Based on WSNs and Power Line Communications

为了解决无线通信方式在教室控制网络中易受干扰和教室电器能源浪费问题,提出了一种基于无线传感器网络(WSNs)和电力线载波通信技术相结合的智慧教室电器节能设计方案。在总结了智慧教室控制系统研究现状、主要技术难点和挑战的基础上,着重阐述了智慧教室的控制网络拓扑结构和工作流程,详细分析了电力载波智能收发器的内部结构。此外,还实现了一种基于智能照明控制算法的智慧教室控制系统的原型。实验结果表明,该系统能够降低数据包的丢失率,相比普通LED照明系统能耗节省至少40%,并且运行可靠。

To reduce the impact of wireless interference on a smart classroom control network and the energy consumption of a smart classroom, an energy saving design scheme of the smart classroom electric appliance is proposed based on wireless sensor networks（WSNs） and power line communications. On the basis of summarizing the research present situation, major technical difficulties and challenges of smart classroom, the topology structure and working process of the smart classroom control system are introduced, and the internal structure of intelligent electric power carrier transceiver is analyzed in detail. Additionally, a prototype for the proposed smart classroom control network with the smart control algorithm is implemented. The experimental results show that the system can reduce the packet loss rate. Compared with the common LED lighting system, it can save energy consumption at least 40% and operate reliably.