光电控制电路及应用毕业论文
2022-02-28 09:02
论文总字数:13523字
摘 要
随着科学技术的发展,生活方式将越来越便捷。如何有效地将科学技术与人类生活相结合是公众关注的热点问题。在人们的生活中,电梯、自动感应门、火灾自动报警器等一系类科技来方便人们生活,而这些科技之所以如此方便,最重要的就是其中的传感器装置,这些传感器通过感应外界变化进而发出信号启动电路达到设计者的目的,方便快捷并且价格低廉。
而本文所设计的报警器便是使用一种热释电传感器re200b作为信号测量装置。在整体电路中还有测量信号的多运放处理、继电器控制电路、太阳能充电等三个部分组合。通过多运放信号处理部分来接受并处理由re200b所传递出的信号,而太阳能充电部分则保证在电源停电的情况下装置能够正常运行。整体装置经济、便捷,使用方便。
关键词:re200b、充电电路、多运放信号处理、继电器
Abstract
With the development of science and technology, society will become an automated and convenient society, how to effectively combine technology with human life is a hot issue of concern to the community. In the life of people, elevators, automatic door sensors, automatic fire alarm and a series of technology to facilitate people, and these technologies are so convenient, The most important is one of the sensor device, these sensors through the induction of external changes and then send a signal Change the circuit to the designer's purpose. Convenient and inexpensive.
The alarm device designed in this paper is to use a pyroelectric sensor re200b as a signal device. In the overall circuit there are relay control circuit, solar charging, multi-op amp signal processing system and other three parts of the combination. The signal delivered by re200b is accepted and processed by the multi-op amp signal processing section, while the solar charging section ensures that the device can operate normally in the event of a power failure. The overall device is economical, convenient and suitable for use.
Key words:re200b、Charging circuit、Multi-op amp signal processing、relay
目 录
摘要.........................................................I
ABSTRACT..............................................................II
引言.....................................................1
第一章 课题概述.......................................2
1.1 课题系统功能分析..............................................2
1.2 课题系统框图.............................................2
第二章 电路组成和各部分分析...............................3
2.1 电源部分—充电电路介绍........................................3
2.2信号接收部分分析..............................................3
2.3 信号放大部分分析..............................................3
2.4报警延时部分介绍..............................................4
2.5显示模块......................................................4
第三章 核心元件介绍...................................5
3.1 RE200B介绍....................................................5
3.2太阳能电池...................................................8
3.3继电器介绍...................................................11
3.4三端稳压器—LM7812...........................................15
第四章 总结与展望.........................................19
4.1 设计过程中遇到的困难及其解决方法.........................19
4.2 总结和工作展望..........................................20
参考文献....................................................21
致谢..............................................................22
引言
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