文档介绍：-I- JIU JIANG UNIVERSITY 毕业论文(设计) 姓名黄火亮学号 21113050322 题目单片机控制的智能家用电热水器学院机械与材料工程学院专业机电一体化班级 B1123 班指导教师胡云堂二零一三年十一月- II- 摘要本次设计采用ATME L公司生产的AT89S5 1芯片作为智能电热水器的控制芯片, 对该芯片的引脚和功能做了详细的介绍。在硬件系统设计方面,对电源电路、键盘接口电路、报警电路、模数转换电路、温度检测电路,水位检测电路等进行了分析和设计。在软件设计方面,采用汇编语言程序编程,汇编语言易于为单片机所识别, 而且执行速度快。本次设计所用到的芯片主要有 AT89S51,74LS377,DS18B20 ,ADC0809 等。该智能电热水器设计完善,设计方案简单易行,采用软件设计控制,可以实现智能检测水位及水温,智能加热,并且提高整机的可靠性和准确性。关键词:单片机智能控制- III- ABSTRACT AT89S51 single-chip puter isa production of ATMEL corporation ,I use it to control intelligent electric water heaters .I also introduce its pin and function in detail . The hardware system consist of power circuit ,keyboard interface circuit ,alarm circuit ,analog-to-digital conversion circuit ,temperature testing circuit and water level detection circuit .I analysis and design them .When I begin to design the software system ,I use assembly language to write program .The assembly language is easy to be distinguished by single-chip puter ,and the execution speed is fast .This design used some chips ,including AT89S51 , 74LS377 , DS18B20,ADC0809 and so on. This design is perfect ,simple and easy .Using software to control the intelligent electric water heater to achieve the goal of detecting water temperature and level ,it can improve reliability and accuracy of the system . Keywords: single - chip puter, controller, intelligence -1- 目录第1章绪论···························································································· 热水器的发展现状········································································· 国内外电热水器的研究成果····························································· 设计初步探讨····························&#