摘要：本文论述了即热式电热水器的工作原理，即热式电热水器主要可以分为加热模块，温度检测模块和控制模块。为了简化设计，提高效率，在本次设计中我们省略掉加热模块，只保留了温度检测和控制模块，加热模块可用电烙铁简单模拟，控制模块由C51单片机完成。电路主要实现了对温度的检测和显示，设置加热温度范围，智能停止加热以及断电，加热档位设置等功能。电路主要由四个LED显示器；一个DS18B20温度检测；一个STC89C52RC微处理器；四个按键和一个电源键组成。前2位LED显示温度；第3位LED显示“点”时为电源ON，不显示时为OFF；第4位LED显示3个功率档位指示。按【SET】键电源ON、OFF；连续按【↑】键三次加热功率+1，连续按【↓】键三次加热功率-1。24761
毕业论文关键词：单片机；加热；温度检测；温度控制；加热功率
Instant water heater design based on C51
Abstract: This paper discusses the working principle of instant water heater, instant water heater can be pided into main heating module, temperature detection module and control module. In order to simplify the design, improve efficiency, we omit the heating module in this design, only keep the temperature detection and control module, the heating module can use soldering iron simple simulation, the control module is completed by C51. Circuit mainly realizes the temperature detection and display, set the heating temperature range, smart stop heating and electricity, heating gear set. The circuit is mainly composed by four LED display; one DS18B20 temperature detection; one microprocessor STC89C52RC; Four buttons and a power key. The former two LED display temperature; Third LED display "points" for the supply ON, when you don't see, means OFF; Fourth LED display three power gear indicator. Press "SET" key to power ON and OFF; Continuous press 【↑】 button three times for heating power + 1, press 【↓】three times in a row heating power - 1.
Keywords: Microcomputer; Heating; Temperature detection; Temperature control; Heating power
目录
1. 绪论 5
1.1 基本概念 6
1.2 国内外产品分析 6
1.2.1 及时加热技术 6
1.2.2 加热功率控制 7
1.3 本次设计思路 8
1.3.1 加热控制电路 8
1.3.2 温度检测电路 8
2. 理论分析 9
2.1 电热水器分类 9
2.2 即热式电热水器 9
2.2.1 即热式电热水器分类 10
2.3 产品特点 11
2.3.1 产品优点 11
2.3.2 对比 13
2.3.3 关于节能 14
2.4 加热技术的四大门派 17
2.5 相关知识 21
2.5.1 专业常识 21
2.5.2 安装及选购建议 23
2.5.3 安装要点 23
2.5.4 安装注意事项 23
2.5.5 保养常识 24
3. 即热式电热水器的设计 27
3.1 硬件电路设计 27
3.1.1 单片机外围电路 28
3.1.2 按键输入电路 29 51单片机即热式电热水器设计+电路图+源程序:http://www.youerw.com/zidonghua/lunwen_18382.html