1、Error! No text of specified style in document.毕业设计论文_液位检测显示控制系统设计摘 要水位测量在日常生活和工业领域有着广泛的应用,比如江河湖泊,地下水,水电站等都需要进行水位监测,以此来了解水位的工作情况以方便工作。水位监测系统目前在国里外都有广泛的应用。水位检测就是水位数据的采集、存储、传输、处理等技术的集成。水位检测的方法有很多种,如人工检测、传感器检测等等。本文介绍的是基于压力传感器实现的液位控制器的设计方法,该控制器以STC89C51 单片机为核心,并辅以外围硬件电路来实现控制要求。本文首先介绍总体的设计方案,接着重点介绍各功能模块的作
2、用及实现方法。最后,介绍proteus 仿真软件。关键词: 水位检测 单片机 控制 传感器Error! No text of specified style in document.Error! No text of specified style in document.ABSTRACTWater level measurement in daily life and industrial fields have a wide range of applications, such as rivers, lakes, groundwater, hydropower, all these ne
3、ed water level monitoring , in order to understand the changes in the water level to facilitate the work. Water level monitoring system are widely used inside and outside currently. Level detection is the level of data collection, storage, transmission, processing and other technology integration. L
4、evel detection methods are many, such as artificial detection, sensor detection and so on. This article is based on a pressure sensor to achieve the level controller design method, the controller STC89C51 microcontroller as the core, supplemented by peripheral hardware circuit to achieve control req
5、uirements. This paper describes the overall design scheme, and then focuses on the role of various functional modules and implementation. Finally, proteus simulation software is introduced.Keywords: level detection single chip microcomputer control sensor Error! No text of specified style in documen
6、t.Error! No text of specified style in document. i目 录第一章 绪 论 .31.1液位自动检测的现状及发展趋势31.2课题背景及研Error! No text of specified style in document. i究意义31.3方案规划3第二章 单片机最小系统设计 .32.1单片机最小系统的功能32.2Error! No text of specified style in document. i51系列单片机32.3单片机最小系统的结构32.3.1时Error! No text of specified style in document. i钟电路32.3.2复位电路32.4最小系统的电路设计3第三章 水位测量与显示模块的设计 .3Error! No text of specified style in document. i3.1传感器的介绍33.20804模数转换器33.3LCD液Error! No text of specified style in document. i晶显示模块电路设计33.4报警电路的设计33.5控制电路的