【正文】 or singlechip programming, and then piled into a hex file, through proteus simulation software, in order to achieve the desired effect. Key words Singlechipmicroputer Loadandwaterlevelsensor LCD Singleasynchronous motor III 目 錄 摘 要 .............................................................. I Abstract ..................................................................................................................... II 第 1 章 緒論 ............................................................................................................... 1 課題研發(fā)背景 ............................................................................................... 1 設(shè)計(jì)的目的和意義 ....................................................................................... 1 國(guó)內(nèi)外洗衣機(jī)的發(fā)展概述 ........................................................................... 1 第 2 章 設(shè)計(jì)方案 ....................................................................................................... 3 洗衣工作方式選擇 ....................................................................................... 3 洗滌程序的選擇 ........................................................................................... 4 水位的選擇 ................................................................................................... 4 液晶顯示 ....................................................................................................... 4 洗衣機(jī)報(bào)警 ................................................................................................... 4 洗衣機(jī)的按鍵 ............................................................................................... 4 第 3 章 硬件設(shè)計(jì) ....................................................................................................... 5 單片機(jī)的選型 ............................................................................................... 5 單片機(jī)的選型比較 ............................................................................. 5 AT89C51 芯片的特點(diǎn) ......................................................................... 6 單片機(jī)時(shí)鐘電路 ........................................................................................... 8 復(fù)位電路 ....................................................................................................... 8 8255 外擴(kuò) I/O 口電路 ................................................................................... 9 74L373 鎖存器介紹 ............................................................................ 9 8255 芯片介紹 ..................................................................................... 9 負(fù)載和液位傳感器檢測(cè)電路 ......................................................................11 ADC0809 芯片介紹 ............................................................................11 負(fù)載和液位傳感器的選型 ................................................................11 負(fù)載和液位 傳感器電路 ....................................................................11 電動(dòng)機(jī)的驅(qū)動(dòng)控制電路 ............................................................................. 12 電機(jī)的工作方式 ............................................................................... 12 電機(jī)整體控制電路 ........................................................................... 14 IV 進(jìn)水 /排水閥控制電路 ................................................................................ 14 液晶顯示電路 ............................................................................................. 15 按鍵電路 ..................................................................................................... 16 報(bào)警電路 ................................................................................................... 17 洗衣機(jī)電源電路 ....................................................................................... 17 ISP 下載電路 ............................................................................................. 18 第 4 章 軟件設(shè)計(jì) ..................................................................................................... 19 主程序設(shè)計(jì) ................................................................................................. 19 洗滌模式程序設(shè)計(jì) ..................................................................................... 19 漂洗程序的設(shè)計(jì) ......................................................................................... 20 脫水程序的設(shè)計(jì) ......................................................................................... 20 中斷程序的設(shè)計(jì) ......................................................................................... 21 第 5 章 仿真 ............................................................................................................. 22 仿真軟件的介紹 ......................................................................................... 22 仿真電路 ..................................................................................................... 22 各個(gè)功能仿真 ............................................................................................. 23 結(jié) 論 ......................................................................................................................... 29 致 謝 ......................................................................................................................... 30 參考文獻(xiàn) ................................................................................................................... 31 附錄 1 ........................................................................................................................ 32 附錄 2 ........................................................................................................................ 44 1 第 1 章 緒論 課題研發(fā)背景 隨著人民生活水平的提高，越來(lái)越多的人需要使用洗衣機(jī)?？傊?，每一項(xiàng)技術(shù)的進(jìn)步極大地推動(dòng)了洗衣過(guò)程自動(dòng)化程度的提高。這就要求設(shè)計(jì)者們有更高的專(zhuān)業(yè)和技術(shù)水平，能夠提出更多好的建議和新的課題，將人們的需要變成現(xiàn)實(shí)，設(shè)計(jì)出更節(jié)能、功能更全面、更人性化的全自動(dòng)洗衣機(jī)