基于单片机的家用热水器控制器设计毕业设计论文

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摘要

我的毕业设计题目是：基于单片机的家用热水器控制器的设计。目前热水器已成为日常生活中不可缺少的家用电器，设计制造更实用、更方便、更安全、更节能的热水器是产品设计师和生产厂商不断追求的目标[1]。家用热水器具有体积小、使用安全、安装方便等优点。系统硬件电路设计包括加热控制、温度检测等电路的设计。电热水器是一种可供洗手间、厨房、浴室使用的家用电器，具有无污染、安全、保温时间长、使用方便等优点。随着人民生活水平的不断提高和我国电力工业的不断发展,电热水器得到不断普及。本文给出了一种基于51单片机实现的热水器电加热器的设计方案。本文运用以AT89S51为控制核心的方法，提出了利用DS18B20来实现温度检测，并设计一个由继电器控制的电路，利用继电器来改变小电流控制的电路功率，构建了一个加热控制电路，从而得出了可以实现加热以及保温的结论。

关键字：热水器，单片机，DS18B20温度检测器，继电器

Micro-controller of water

Abstract

My graduation project topic is: the design of micro controller-based the daily life of and manufacture of more practical, more convenient, safer, more energy-efficient water including circuit design.Electric water available toilet, kitchen, bathroom and , safe, long this paper, based on 51 single-chip design of the auxiliary this paper, AT89S51 as the control core, DS18B20 temperature detection, and to design a relay control circuit, use the relay to change the small-current control circuit power to build a order to get conclusion of water be achieved and the keeping of temperature.. Keywords：Water ＆Instrumentation,2010(7):24-27

[10] 李章勇,官方勇.太阳能热水器智能控制器研制[J].2008年家用自动控制器技术国际研讨会,2008（11):

[11] 苗红蕾.一款新型的智能家用电热水器[J].邢台职业技术学院学报,2005(11):60-63

[12] 郁玉龙,赵宁卢,洪武.用AT89C51单片机设计智能家用电热水器[J].实用电子制作,2007(10):33-35

[13] 蔡满军,吴磊.智能温度控制器的设计[J].自动化仪表,2010(10):68-75

[14] Huang Dinp jin,Fei Han，Li Liang，Zhu Yun zhou.Design for N+I Fault-tolerant Integrated Solar Controller[J].Automation＆Instrumentation,2010(10):

[15]Surachai Panich.Development of Fuzzy Controller for Water Level in Stream Boiler Tank[J].Journal of Computer Science,2010(11):

附录一原理图

附录二PCB图

、

附录三仿真图

附录四程序

*头文件*

#include

sbit p15 = P1^5;

sbit p16 = P1^6;

sbit p30 = P3^0;

sbit p31 = P3^1;

sbit k0 = P1^0;

sbit k1 = P1^1;

sbit k2 = P1^2;

sbit k3 = P1^3;

uchar table1[] =" chen bei bei ";

uchar table2[] =" TEMP:00.0C ";

uchar table3[] =" SET TEMP: ";

uchar table4[] ="H:60C L:40C";

uchar table[];

uchar H = 60,L = 40;

*1MS为单位的延时程序*

void delay_1ms(uint x)

{

uchar j;

while(x--){

for(j=0;j<125;j++)

{;}

}

}

*1602函数*

void write_com(uint com)

{

lcdrs=0;

rw=0;

P0=com;

delay_1ms(1);

lcden=1;

delay_1ms(1);

lcden=0;

}

void write_date(uint date) {

lcdrs=1;

rw=0;

P0=date;

delay_1ms(1);

lcden=1;

delay_1ms(1);

lcden=0;

}

void lcd_init()

{

lcden=0;

write_com(0x38);

write_com(0x0c);

write_com(0x06);

write_com(0x01);

write_com(0x80);

}

void set(uchar add,uchar dat) {

uchar shi,ge;

shi = dat10;