《基于AT89S52单片机的带红外线的可遥控暖风机设计》-毕业论文（设计）.doc

摘要 I 摘要 本文设计了一种以AT89S52单片机为核心的低成本、高精度、微型化液晶显示温湿度监测系统。系统由单片机、温度检测电路、红外线控制电路、报警电路以及显示电路构成。由芯片AT89S52控制温湿度传感器检测到的温湿度值进行存储转换，从而在显示电路液晶中显示出来。本系统具有易安装检测、软件功能完善，工作可靠、准确度高等优点。 本文论述了单片机技术研制成功的暖风机的监测系统的基本原理，温湿度传感器信号采集通过单片机来实现方案。采用软件校正，提高了测量精度和整机的可靠性。实际使用表明，极大的提高了安全性、可靠性和准确度。 关键词：暖风机，温湿度传感器，单片机AT89S52 、红外线控制 II Abstract Abstract This paper designs an AT89S52 single chip microcomputer as the core of low cost, high precision, miniaturization, liquid crystal display temperature and humidity monitoring system.System by single chip microcomputer, temperature detection circuit, infrared control circuit, alarm circuit and display circuit.By the chip AT89S52 control temperature and humidity sensors to detect temperature and humidity value for storage, which is displayed in the LCD display circuit.This system is easy to install detection, the software function is perfect, reliable operation, high accuracy, etc. This paper discusses the single chip microcomputer technology successfully developed monitoring system of the basic principle of heater, temperature and humidity sensor signal acquisition scheme by single chip microcomputer.Using software correction, improve the measurement precision and reliability of the machine.Practical use shows that greatly improves the safety, reliability and accuracy. Keywords: heater, temperature and humidity sensor, single-chip microcomputer AT89S52 目录  目录 TOC \o 1-3 \h \u HYPERLINK \l _Toc19320 摘要 PAGEREF _Toc19320 I HYPERLINK \l _Toc31350 Abstract PAGEREF _Toc31350 II HYPERLINK \l _Toc7638 1 绪论 PAGEREF _Toc7638 1 HYPERLINK \l _Toc14749 1.1选题背景 PAGEREF _Toc14749 1 HYPERLINK \l _Toc20424 1.2研究的目的和意义 PAGEREF _Toc20424 1 HYPERLINK \l _Toc7989 1.3暖风机发展 PAGEREF _Toc7989 2 HYPERLINK \l _Toc20438 1.4设计过程及工艺要求 PAGEREF _Toc20438 3 HYPERLINK \l _Toc9002 1.5设计的重点与难点 PAGEREF _Toc9002 3 HYPERLINK \l _Toc29619 2 方案论证与比较 PAGEREF _Toc29619 5 HYPERLINK \l _Toc29688 2.1温度传感器的选择 PAGEREF _Toc29688 5 HY