摘要近年来LED(Light Emitting Diode)以其节能、环保、容易实现数字化和自动化控制的优点，受到了研发者和消费者的广泛关注。经过一段时间的快速发展，LED现已经成为新一代的照明光源。本设计运用了ZigBee无线通讯技术，PWM(Pusle Width Modulation)调光技术和单片机控制技术设计了一种无线智能LED照明控制系统。该系统能够实现无线控制，自动亮度调节和色温调节三大功能。整个系统包含了硬件电路和软件程序两部分,ZigBee最小系统模块和无线收发程序实现了对LED灯的无线控制,亮度检测模块和LED驱动模块配合亮度调节程序使LED灯能够根据环境自动调节亮度,LED驱动模块配合色温调节程序使LED灯能够根据用户需求调节色温。77248

该论文有图25幅，参考文献11篇。

毕业论文关键词：LED  ZigBee通信  PWM调光  亮度调节  色温调节

Wireless Intelligent LED Lighting Control System

Abstract In recent years, LED (Light Emitting Diode) has been widespread concerned by developers and consumers for its energy-saving, environmental protection and easy to digitization & automation。 After a period of rapid development, LED has become a new generation of lighting source。 This paper describes a kind of wireless intelligent LED lighting control system using ZigBee technology, PWM (Pulse Width Modulation) dimming technology and microprocessor control technology。 The system realizes the functions of wireless control, brightness and color temperature adjustment。 The whole system includes hardware circuits and software programs。 The ZigBee minimum system module and wireless transceiver application implements the wireless control of the LED lights。 The system can automatically adjust the brightness according to the ambient through the brightness detection module, LED driver module and brightness control program。 The system also can adjust LED color temperature according to user needs through the LED driver module and color temperature  adjustment  program。

Key Words: LED  Zigbee communication   PWM dimming  Brightness adjustment    Color temperature adjustment

目  录

摘要 III

Abstract IV

目录 V

1 绪论 1

1。1研究目的和意义 1

1。2研究课题现状 1

1。3论文主要内容 2

2 设计需求分析 3

3 系统方案的对比与选择 4

3。1 无线通信方案 4

3。2 LED调光方案 5

4 硬件电路设计 7

4。1无线通讯ZigBee模块设计 7

4。2 LED驱动电路设计 9

4。3 亮度检测模块设计 11

4。4 LED灯珠的连接设计 12

4。5电源模块设计 14

4。6输入键盘设计 15

4。7硬件电路板制作 16

5 软件程序设计 17

5。1软件开发环境的选择 17

5。2 IAR 软件开发环境介绍 17

5。3 Z-stack介绍 17