辽宁工程技术大学毕业设计（论文）
目录
0 引言.................................................................................................................................................................1
1 绪论.................................................................................................................................................................3
1.1 课题背景..............................................................................................................................................3
1.1.1 智能家居的概念.......................................................................................................................3
1.1.2 物联网的出现...........................................................................................................................3
1.2 选题的目的和意义..............................................................................................................................5
1.2.1 目的...........................................................................................................................................5
1.2.2 意义...........................................................................................................................................5
1.3 智能家居系统现状及发展..................................................................................................................5
1.3.1 国外智能家居的发展现状........................................................................................................5
1.3.2 国内智能家居的发展现状........................................................................................................6
1.3.3 智能家居系统发展趋势...........................................................................................................6
2 总体设计.........................................................................................................................................................8
2.1 总体介绍..............................................................................................................................................8
2.2 系统设计方案......................................................................................................................................8
2.3 硬件设计..............................................................................................................................................8
2.3.1 多源控制...................................................................................................................................8
2.3.2 智能控制...................................................................................................................................9
2.3.3 安防报警...................................................................................................................................9
2.3.4 煤气检测.................................................................................................................................10
2.3.5 显示模块.................................................................................................................................10
2.3.6 模式控制.................................................................................................................................10
2.4 软件设计............................................................................................................................................10
3 硬件详细设计...............................................................................................................................................13
3.1 应用单片机的选型............................................................................................................................13
3.1.1 单片机系列的选择.................................................................................................................13
3.1.2 单片机型号的选择.................................................................................................................13
3.1.3 STC89C52的基本特征...........................................................................................................13
3.1.4 STC89C52的内部结构...........................................................................................................14
3.1.5 STC89C52的引脚及其功能....................................................................................................16
3.1.6 STC89C52的串口通信...........................................................................................................18
3.2 系统工作必备电路............................................................................................................................20
3.2.1 时钟振荡电路.........................................................................................................................20
3.2.2 复位电路.................................................................................................................................20
3.2.3 供电直流电源.........................................................................................................................21
3.2.4 最小系统.................................................................................................................................21
3.3 远程控制模块....................................................................................................................................22
3.3.1 GSM与TC35............................................................................................................................22
3.3.2 TC35的引脚及其功能............................................................................................................25
3.3.3 TC35电源电路........................................................................................................................26
3.3.4 SIM..........................................................................................................................................26
3.3.5 串口电路.................................................................................................................................27
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