声光控延时楼道灯控制电路

吉林建筑大学吉林建筑大学电气与计算机学院电气与计算机学院数字电子技术课程设计报告数字电子技术课程设计报告设计题目：设计题目：声光控延时楼道灯控制电路声光控延时楼道灯控制电路专业班级：专业班级：自动化自动化 151151 学生姓名：学生姓名：学学号：号：指导教师：指导教师：张立辉张立辉王亚娟王亚娟设计时间：设计时间：2016.12.122016.12.12- -2017.01.062017.01.06 教师评语：成绩评阅教师日期 1 目目录录第 1 章绪论······························································ 1 1.1 ············································································ 1 1.2 ············································································ 1 第 2 章电路工作原理·················································· 2 2.1 ··············································································· 2 2.2 ··············································································· 2 2.3 ··············································································· 3 2.4 ··············································································· 4 第 3 章电路设计························································ 5 3.1 ·············································································· 5 3.2 ·············································································· 5 3.3 ·············································································· 6 第 4 章制作与安装····················································· 7 4.1 ··············································································· 7 4.2 ··············································································· 8 4.3 ··············································································· 9 4.4 ··············································································· 9 4.5 ··············································································10 第 5 章调试分析与性能测试········································11 5.1 ··············································································11 5.2 ··············································································11 5.3 ··············································································12 总结 ·······································································13 参考文献 ·································································14 元件清单 ·································································15 2 第第1 1章章绪论绪论 1.11.1 课程设计目的课程设计目的声光控延时楼道灯控制电路是一种声光控电子照明装置，利用声波为控制源的新型智能开关，同时具有自动延时熄灭的功能。它避免了繁琐的人工开灯，同时具有自动延时熄灭功能，更加节能，且无机械触点、无火花、寿命长，广泛应用于各种建筑的楼梯过道、走廊等公共场所，声光控延时楼道控制电路也是一种声光控电子照明装置，它由音频放大电路、电平比较电路、延时开启电路、触发控制电路、恒压源电路和晶闸管主回路等组成。 1.21.2 设计任务设计任务音频放大电路是一种对音频信号进行放大的功率放大电路，与电压放大电路实质上都是能量转换电路，但二者所要完成的任务不同，功率放大电路主要是为负载提供一定不失真、功率大、效率高的输出功率。在设计电路时考虑到晶体管发射结正向偏置时才导通，所以选用两个性能对称的异型管，组成互补对称电路。电平比较电路，该电路的工作是类似的二进制小数转换小数。为此，电路放大信号和一个参考电压进行比较。该电路可分为若干阶段。若干阶段，可以根据需要增加或减少。每个阶段包含两个运算放大器(TL084)。(OP - AMP的左侧)是用于比较目的。其他(在右边的运算放大器)被用来作为一个固定的增益(完全 2)非反相放大器。输入电压连接到每个运算放大器的非反相引脚/终端。数字输出是从比较运算放大器和运算放大器是美联储下一阶段的输入放大器的输出的输出获得。要获得一个参考电压，使用两个电阻。延时开启电路、触发控制电路、恒压源电路及晶闸管暂时不做多的解释，其主原理详情见电路图。 1 第第2 2章章电路工作原理电路工作原理 2.1 2.1 电路原理示意图电路原理示意图 2.2 2.2 电路工作原理电路工作原理它是由音