摘 要..................................................................................................................................................1
Abstract:..........................................................................................................................................1
一、绪论............................................................................................................................................0
二、硬件组成及原理........................................................................................................................1
2.1 水位控制系统整体结构.....................................................................................................1
2.1.1 水位测量电路.........................................................................................................1
2.1.2 水位显示电路.........................................................................................................1
2.1.3 水位响应电路.........................................................................................................1
2.2 水位系统的工作原理.........................................................................................................1
2.2.1 水位检测原理........................................................................................................2
2.2.2 水位显示原理........................................................................................................2
2.2.3 上水原理................................................................................................................2
2.2.4 报警原理................................................................................................................2
2.3 水位控制系统工作流程图..................................................................................................2
2.4 单片机简介........................................................................................................................3
三、水位检测装置的设计................................................................................................................5
四、水位显示电路的设计................................................................................................................7
五、水位响应电路的设计................................................................................................................8
5.1 上水部分............................................................................................................................8
5.2 报警部分............................................................................................................................8
六 原件选定......................................................................................................................................8
6.1 电源....................................................................................................................................8
6.2 9013 三极管放大器...........................................................................................................8
6.3 蜂鸣器................................................................................................................................9
6.4 ULN2003..............................................................................................................................9
6.5 直流电机..........................................................................................................................11
6.6.74HC573..........................................................................................................................11
6.7 七段数码管....................................................................................................................12
七、电路综合设计..........................................................................................................................13
7.1 水位显示电路..................................................................................................................13
7.2 水位响应电路..................................................................................................................14
7.2.1 报警部分...............................................................................................................14
7.2.2 上水部分...............................................................................................................14
7.3 实物图..............................................................................................................................15
7.4 芯片引脚详细位置...........................................................................................................15
附录:..............................................................................................................................................18
附录一 系统电路图................................................................................................................18
附录二 系统代码....................................................................................................................19
附录三 外文文献参考文献:................................................................................................22
参考文献:......................................................................................................................................23