红外热辐射温度测量系统的设计与研究.doc

本 科 毕 业 设 计（论文） 题 目：红外热辐射温度测量系统的设计与研究 摘 要 针对高速公路路面温度测量的问题，首先分析了传统的温度测量方法和目前高速公路对路面温度测量的措施，了解了对高速路路面温度测量对交通安全的重要性，在此基础上提出了红外热辐射温度测量系统的设计和方案。应用红外热辐射非接触式温度测量技术来精确检测公路表面温度。该系统以89C51单片机为控制中心，TN9红外探测器，经过数据处理后将测得结果显示在LCD显示屏上。主要设计成果有： 根据非接触式红外热辐射温度测量的要求，设计了基于TN9温度传感器针对高速公路路面温度测量的方案。 根据系统方案的设计要求，设计了基于89C51单片机为控制中心的远距离温度测量系统。包括电源模块，红外热温度传感器TN9模块，RS232电路转换模块，LCD1602显示模块的设计。 完成了软件流程图，以keil uVision4为平台，编写模块初始化程序及显示程序等的设计。 根据系统设计要求，完成了protues软件设计及与仿真。 关键字：红外热辐射；红外单片机显示 Abstract Aiming at the problem of highway road surface temperature measurement, the first analysis of the traditional temperature measurement method and current highway measures of road surface temperature measurement, learned to highway road surface temperature measurement of the importance of traffic safety, based on this, advances the infrared radiation temperature measurement system design and solutions. Application of infrared thermal radiation contactless temperature measurement technology to accurately detect road surface temperature. The system with 89 c51 microcontroller as the control center, TN9 infrared detector, after data processing results show that measured on the LCD screen. The main design results are: 1.According to the requirements of non-contact infrared thermal radiation temperature measurement based on TN9 temperature sensor for highway pavement temperature measurement scheme. 2.According to the requirements of the system design, the design based on 89 c51 microcontroller as the control center of remote temperature measurement system. Including power supply module, TN9 infrared temperature sensor module, RS232 circuit conversion module, LCD1602 display module design. 3. Completed the software flow chart to keil uVision4 as the platform, write module initialization program, display program design, etc. 4. Based on the system design requirements, completed the design and simulation protu