摘  要：蓄水池对于大家来说并不陌生，它的水位高低与我们日常生产和生活密切相关。我国多处地方经常出现水位过高溢水现象，从而引发了很多大大小小的事故，因此本课题设计了一个能够监控蓄水池水位的装置。

该装置是基于51单片机的一个水位监测监控装置。它可以被应用于蓄水池的水位高低的实时监测，然后当高于警戒液面的时候就会触发该系统的声光报警装置，发出警报的同时驱动水泵实现抽水功能，直到水位降到警戒值以下。本系统能够有效的实现水位实时监控功能，对于生活中蓄水池的水位高低情况和人们的常生活有非常积极的影响。

本设计论文包含2个表格、7张图和13篇参考文献。

关键词： 蓄水池  程序设计  单片机 

An Apparatus for Monitoring and Controlling Liquid Level

Abstract：Reservoir is not strange for everybody, its water level is closely related to our daily life and production. Many places in China often appear high water overflow phenomenon, which caused a lot of big and small accident. So this topic has designed a device that can monitor the reservoir water level.

It is based on the hardware design of single chip and a water level monitoring and control device. When the level of the water level is above the alert level, the audible and visual alarm device of the system is triggered and the water pump is driven to realize the pumping function at the same time until the water level falls below the alert value. The system can effectively realize the real-time monitoring function of water level, and has a very positive impact on the water level of the reservoir in daily life and people's daily life. The technology used in this design includes water level sensing technology, C language program and algorithm, and the related knowledge of single chip microcomputer. 

This design paper contains 7 drawings, 2 forms and 13 references. 

Key Words: MCU  Sensing technology  Reservoir

目  录

摘  要 I

ABSTRACT II

目  录 III

图清单 IV

表清单 IV

1 绪论 1

1.1 课题背景 1

1.2 研究的目的与意义 1

1.3 课题研究的设计思路 1

1.4 设计特色与创新 1

2 系统总体方案的选择与设计 2

2.1 压力传感器的比较和选择 2

2.2 系统的整体介绍 2

2.3 STC89C51单片机 3

2.4 系统的驱动模块 4

2.5 LCD1602液晶显示 5

2.6 系统的A/D转换电路 7

3 结论 11

参考文献 12

致谢 13

附录1 系统原理图和实物图 14

附录2 系统源程序 16

图清单

图序号 图名称 页码

图2-1 图2-1 系统总体框架图 3

图2-2