基于单片机的水箱水位控制系统.doc

题 目：基于单片机的水箱水位自动控制系统 英文题目：The water tank level automatic control system based on microcontroller 二零一二年 月 日摘 关键词：单片机 ；水箱水位；自动控制； 水位显示；报警 ABSTRACT Large water tanks are a lot of companies essential to the production process of parts, its performance and the quality of work not only on production of the fine has enormous influence, but also the safety of production. In the past, many of the tanks are operated by the staff to operate, so that artificial means a lot of drawbacks, such as the water level control, water tanks at all times to monitor the environment, and so on the night of monitoring, the operator slightly negligence, or damage to the Summary of the monitoring device will bring irreparable damage will be even more serious crisis in production, such as the personal safety of staff. Therefore, control of water tanks, if the use of sophisticated and can totally be run in strict accordance with the provisions of the automated production system that can maximize the chances of avoiding accidents, but also save resources and can effectively improve the efficiency of production. The purpose of single-chip system design is the application of single-chip control technology, to 8051 as the core to control the water level in water tanks, and of the alarm and manual, automatic switching function. The system is easy to operate, good performance, more in line with the power to control the production of the necessary water system. KEY WORDS: Single chip microcomputer ；Voluntarily control the Lever level ； Relay；Auto-protecting；Alarm  目 录 摘 要 I ABSTRACT 。 第一章 绪 论 1 第二章 系统设计 3 2.1系统设计任务和主要内容 3 2.2系统方案 3 2.2.1总体思路 3 2.1.2设计方案 4 2.2系统方案选取 4 2.2.1传感器选择方案 4 2.2.2 A/D转换方案 4 2.2.3单片机复位方案 5 2.2.4单片机起振方案 5 2.2.5水位显示驱动方案 5 2.2.6电机驱动方案 6 2.2.7电机选择方案 6 第三章 硬件设计 7 3.1单元模块设计 7 3.1.1 A/D转换设计 7 3.1.2起振电路设计 8 3.1.3数码显示设计 9 3.1.4电机驱动设计 10 3.1.5电机控制 10 3.1.6报警电路 11 3.2系统整机分析 12 第四章 软件设计 13 4.1 详细流程图 13 4.1.