论文总字数：14929字

摘 要

人们的生活水平与社会的快速发展齐头并进，改变了人们对生活的现状。电子技术的发展使人们的生活更加自动化智能化。灯照明的自动数字电路技术，可以有效地降低能源消耗，节约能源，延长灯具寿命，贴近生活，使人们的生活更方便。经常开关照明灯比较麻烦而且容易损坏，而且在墙壁上安装开关既不美观还要在墙壁开洞损坏率很高。^[6]维理起来比较麻烦也浪费了金钱性价比不高，容易形成安全隐患。为住宅的走廊，走廊不仅是合适的，并适用于工厂，办公楼，公共场所，给人们的生活带来极大的便利。所以设计灯光控开关是在低碳生活中是非常必要的。

本毕业设计是根据目前现实的情况设计的。声光控制电路是经过外部的声光来控制继电器里面衔铁的吸合带动触电的接通去实现开关的自动通断功能，具有很强的适用性。该声光来控制继电器里面衔铁的吸合带动触电的接通去实现开关的设计主要由STC89C52微型计算机系统和±5V和5V的直流稳压电压源电路和声音功率放大器电路、光信号的采集功率放大处理控制电路以及微处理器和继电器的触发电路。测试结果证明该声光来控制继电器里面衔铁的吸合带动触电的接通去实现开关的设计性能稳定、操作方便，具有较强的实用价值。

在本文中，控制系统的组成，硬件和软件设计，详细讨论了其工作原理。

关键词：单片机；语音控制；灯光控制；自动开关

Microcontroller Based Sound And Light Control Switch

Abstract

With the continuous development of society, especially the development of electronic technology, it changed the status of people"s lives. The development of electronic technology to make people"s lives more automated intelligent. Lighting automatic digital circuit technology, can effectively reduce energy consumption, energy saving, extended lamp life, life, people"s lives more convenient. Switch lights often cumbersome and easily damaged, and install the switch on the wall unsightly wall openings also in a high failure rate, Wei-Li is too much trouble but also a waste of money cost is not high, easy to form a security risk. For residential corridors are not only appropriate and suitable for factories, office buildings, public places, to people"s lives bring great convenience. So the design of lighting control switch is in the low-carbon life is very necessary.

The graduation project is based on the current reality design. Sound and light control circuit through an external sound and light to control the relay inside the armature pull-driven shock turned to achieve automatic switch-off function, has strong applicability. The sound and light control relay inside the armature pull-driven shock turned to achieve STC89C52 switch is designed mainly by a microcomputer system and ± 5V and DC voltage source circuit and a sound amplifier circuit, optical signal acquisition 5V power enlargement processing control circuit and trigger circuit microprocessor and relays. Test results show that the sound and light control relay armature inside the pick-up drive is turned on stable electric shock to realize switch design, easy to operate, with a strong practical value.

In this paper, control system components, hardware and software design are discussed in detail how it works.

Keywords: SCM; Sound Control; Light Control；Automatic Switch

目 录

摘 要 I

Abstract II

目 录 III

第一章 引 言 1

1.1 课题背景 1

1.2 研究目的和意义 1

1.3 国内外概况 1

1.4 论文章节安排 2

第二章 系统设计方案及元器件 3

2.1 引 言 3

2.2 系统设计方案 3

2.2.1 系统设计的原理框图 3

2.2.2 系统设计的原理框图解析 3

2.3 单片机概述 4

2.4 驻极体话筒 4

2.5 光敏电阻 5

2.6 本章小结 6

第三章 硬件电路的设计 7

3.1 电源电路 7

3.2 光控电路 7

3.3 声控电路 8

3.4 单片机控制电路 8

3.5 继电器驱动电路 9

3.6 本章小结 10

第四章 系统软件设计 11

4.1 引 言 11

4.2 程序设计流程 11

4.3 软件开发环境 11

4.4 软件总体设计框架 11

4.5 本章小结 12

第五章 安装调试 13

5.1 元器件焊接技术 13

5.2 全面检查 13

5.3 电路调试 13

5.4 本章小结 14

第六章 结束语 15

致 谢 16

参考文献 17

附 录 18

第一章 引 言

1.1 课题背景

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