基于WIFI的室内LED照明系统终端的设计与实现

发布时间：2018-03-23 11:10

本文选题：室内照明　切入点：WIFI通信　出处：《杭州电子科技大学》2014年硕士论文

【摘要】：近年来，随着物联网技术的不断发展智慧城市、智能家居等概念已被越来越多的人所熟知。本文设计的基于WIFI的室内LED照明系统就是物联网产业重要成果之一。整个系统主要由手机客户端和系统控制终端两部分组成：其中，手机客户端用来实现用户需求的界面功能，系统控制终端一方面用于实现对LED灯的基本操作，如开灯、关灯、调光、密码修改等；另一方面则用于实现WIFI设备基本参数修改功能，如网络名称、密码等。本文重点研究内容为系统终端WIFI通信及ATmega8单片机控制功能的实现过程。系统终端主要由三个部分组成：WIFI无线通信模块RT5350、ATmega8单片机、可调光LED恒流驱动器。其中，，WIFI无线收发模块主要负责手机客户端与系统终端单片机控制设备间的数据交换功能，是用户和LED灯之间实现无线通信的桥梁。系统的控制部分是交由ATmega8单片机来实现的，其作用是处理系统终端通过WIFI模块接收过来的具体指令信息，即对数据包中的相应命令进行解析并执行。可调光LED恒流驱动器是由AC-DC恒压源和带有PWM调光功能的恒流源组成，是终端LED灯、WIFI模块、ATmega8单片机的供电设备。最后，通过WIFI模块和ATmega8单片机成功实现了系统数据的无线收发与控制的过程,并分别对系统整体通信性能和LED恒流驱动性能进行了全面测试。测试结果表明系统数据传输稳定，反应灵敏，具有较好的信息交换效应，能够达到设计的最终要求。另外，LED驱动器功率因数（PF）、效率（）、输出电压（Vo）、输出电流(Io)等也均能达到事先预定的指标，电路工作稳定，使用正常。
[Abstract]:In recent years, with the continuous development of Internet of things technology, intelligent cities, The concept of smart home has been known by more and more people. The indoor LED lighting system based on WIFI is one of the important achievements of the Internet of things industry. The whole system is mainly composed of mobile phone client and system control terminal. On the one hand, the system control terminal is used to realize the basic operation of LED lamp, such as turning on light, turning off light, dimming light, modifying password and so on. On the other hand, it is used to modify the basic parameters of WIFI device, such as network name, password and so on. This paper focuses on the realization process of WIFI communication and the control function of ATmega8 MCU. The system terminal consists of three parts: RT5350ATmega8 single chip microcomputer, the wireless communication module RT5350and ATmega8, which is composed of three parts. Tunable LED constant current driver. The WiFi wireless transceiver module is mainly responsible for the data exchange function between the mobile phone client and the system terminal MCU control device. It is a bridge between user and LED lamp to realize wireless communication. The control part of the system is realized by ATmega8 single chip computer. Its function is to process the specific instruction information received by the system terminal through WIFI module. The tunable LED constant current driver is composed of AC-DC constant voltage source and constant current source with PWM dimming function. It is the power supply equipment of terminal LED lamp wifi module and ATmega8 single chip microcomputer. Finally, the wireless transceiver and control process of the system data is realized successfully by WIFI module and ATmega8 single chip microcomputer. The overall communication performance of the system and the constant current drive performance of LED are tested respectively. The test results show that the system is stable in data transmission, sensitive in response and has good information exchange effect. In addition, the power factor, efficiency, output voltage and output current of the LED driver can reach the predetermined target, the circuit is stable and in normal use.
【学位授予单位】：杭州电子科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TM923.34;TN92

【参考文献】