摘要：    为期一学期的时间我设计了以AT89C51单片机为基础的设计,主要分为温度检测系统，其中包括AT89C51、温度传感器DS1621、报警模块、温度设置模块及LCD液晶模块显示模块。传感器收集到温度数据进行反馈，其输出温度采用数字显示，用AMPIRE128*64LCD显示传送数据，实现显示器上出现温度数据。此系统除了温度检测还能起到控制报警的作用，还可以设置上限、下限阀值报警温度，当温度超过阀值时，则显示灯不亮。23245
 以下本文将介绍一些硬件的性质和内容、系统模块具体的一些设计。设计过程中遇到了很多难题，首先要先学习DS1621芯片，这是第一次使用，要了解他独有的特性和编程习惯。其次，要考虑周全整个系统需要那些电路构成，不是把几个模块设计的硬件放一起就完成的。在这十优尔周的时间里，在同学和老师的帮助下，我不断完善了自己的设计。
毕业论文关键词：单片机系统；数据采集；传感器；温度检测；DS1621
The development of temperature detection control system based on Proteus simulation
Abstract:     I for one semester designed to AT89C51-based design for one semester , pided into temperature detection and alarm systems, including AT89C51 micro-controller, temperature sensor DS1621, alarm circuit, the temperature setting system and the LCD display module circuit. Sensor received the data and gave it to the C51.Its output temperature with digital display, with AMPIRE128 * 64LCD display data transmission, temperature display, can accurately meet the above requirements. This temperature detection system is a versatile system can be used to measure the temperature of the ambient temperature, you can also set the upper and lower temperature alarm when the temperature range is not set, the display does not light.
       The following article describes the nature and content of some of the hardware, the overall hardware circuit design, software part of the design.The design process encountered many problems, first of all have to learn DS1621 chip, which is the first time, to understand his unique features and programming practices. Secondly, the entire system needs to be thoughtful of those circuits, not the several modules designed to complete the hardware put together. In the sixteen-week period, the students and the teacher's help, I constantly improve their own designs.
Keywords:    Single chip microcomputer system; Data acquisition; sensor; Temperature detection; DS1621
目录
摘要    2
Abstract    2
目录    4
1    绪论    5
1.1    任务课题的背景介绍.5
1.2    课题研究的内容及要求    5
1.2.1课题的主要研究的内容    6
    1.2.2课题的主要研究的要求6
2    课题任务分析及硬件介绍    7
2.1    任务分析及方案选择    7
2.2    AT89C51系列单片机介绍    7
2.2.1 AT89C51系列引脚功能.7
    2.2.2 AT89C51系列单片机的功能单元10
2.3    芯片DS1621介绍    11
  2.4  AMPIRE128*64LCD简介.12
3    硬件设计    17
  3.1 整体硬件电路设计    17
3.1.1 时钟电路设计.19
  3.2 温度检测部分20
  3.3 警报部分    22
  3.4 显示部分.23
4    软件设计    24
4.1    主程序流程图    24
4.2    读温度流程图    25 51单片机温度检测控制系统设计+源程序+电路图:http://www.youerw.com/zidonghua/lunwen_16218.html