本科毕业设计__基于zigbee技术的室内环境检测系统.doc

毕业设计论文 基于ZigBee技术的室内环境检测系统设计 摘 要 随着嵌入式计算、传感器、无线通信等技术的飞速发展，无线传感网被广泛应用于环境监测、军事国防和工农业控制等诸多领域，已成为电子信息技术发展的一个热点。CC2430是TI公司针对ZigBee的无线传感网芯片解决方案，具有功耗低，可靠性高，组网简单等优势。基于CC2430和ZigBee协议，设计了温湿度数据采集系统，分别给出了协调器和普通节点的软件算法，在干扰环境下测试表明，网络具有较强的鲁棒性和自组能力。STC12C5608AD单片机为核心的家庭环境监测系统的硬件电路设计和软件流程设计，实现了在家庭环境中对温度、湿度、灯光及家用电能质量的检测，其中分别用相应传感器、电流互感器、电压互感器。其中，将温度、湿度、灯光传感器的模拟量经过单片机AD转换处理后输出相应的控制动作调节相应参数；电能质量的检测，将互感器与电能质量及单相双向功率集成电路芯片CS5460A结合检测电压、电流、功率等检测，经单片机输出相应保护控制:瞬时过电流保护，过载保护、过电压保护、失压保护等。本设计使用ZigBee无线网络协议，将系统参数传输及控制，也可与上位机实时通讯和监控。 关键词：单片机，传感器，ZigBee，环境监测，继电保护 Design of Indoor Environment Monitoring System Based on ZigBee Technology ABSTRACT With the rapid development of embedded computing, sensor, wireless communication technology, wireless sensor network is widely used in environmental monitoring, military defense, industrial and agricultural control fields, has become a hotspot in the development of electronic information technology. CC2430 is a wireless sensor network chip for ZigBee TI solution, with low power consumption, high reliability, simple networking advantages. CC2430 and based on ZigBee protocol, design the temperature and humidity data acquisition system, the software algorithm coordinator and ordinary nodes are given respectively, tested in interference environment, the network has strong robustness and self-organizing ability. This paper mainly introduces the design of hardware circuit and software flow design of family environment monitoring system based on STC12C5608AD SCM as the core, realizes in the home environment of temperature, humidity, lighting and household electrical energy quality detection, which were treated with corresponding sensors, current transformer, voltage transformer. Among them, the analog temperature, humidity, light sensor through the SCM AD conversion processing output control action corresponding adjusting the corresponding parameters; detection of power quality, the transformer and power quality and single phase bidirectional