1、- I - 基于单片机的红外温度测量系统基于单片机的红外温度测量系统 摘要摘要 红外测温技术在生产过程中的产品质量控制和监测、设备在线故障的诊 断、设备安全保护以及节约能源等方面发挥着重要作用。温度在绝对零度以上 的物体，都会因自身的分子运动而辐射出红外线。通过红外探测器将物体辐射 的功率信号转换成电信号。红外检测器将吸收的辐射转化为热能，因此提高检 测器的温度，并把温度变化数据转化成电子信号，放大显示出来。红外测温打 破了传统的测温模式，并且具备远距离非接触式测量、回应速度快、测量精度 高、测量范围广和可同时测量环境温度和目标温度的特点，测量距离可达 30 米 左右。 单片机具有体积小、功能
2、强、成本低、应用面广等优点，可以说，智能控 制与自动控制的核心就是单片机，单片机在检测和控制系统中得到广泛的应 用, 温度则是系统常需要测量、控制和保持的一个量。 本文主要介绍了利用单片机实现温度控制系统的设计过程，并基于单片机 控制技术实现红外温度的测量，系统采用具有 SPI（串行外围接口）接口的 TN 系列红外温度传感器来测量温度信号，可同时测量目标温度和环境温度，并将 测量的数据送给 SPCE061A 单片机处理，之后送数码管显示，同时利用 SPCE061A 单片机的语音功能播报温度值。该温度计以其准确快捷的测量功 能、清晰易懂的数字化显示方便人们日常生活使用，语音播报功能使其更加智 能
3、化、人性化。 关键词关键词 红外测温；TN9；单片机 - II - A System of Infrared Temperature Measurement Based on Single-chip Microcontroller Abstract Infrared temperature-measuring in the process of product quality control and monitoring, equipment, equipment on-line fault diagnosis safety protection and energy saving etc p
4、lays a very important role. Temperature of objects above absolute zero, the molecules are due to their own movement, the infra-red radiation. Through the infrared detector we can change the power signals which objects radiate into electrical signals. Infrared detector will absorb the radiation into
5、heat, thereby increasing the temperature detector, and temperature data into electronic signals, amplified displayed. Infrared temperature-measuring broke traditional temperature measurement model, and long-distance non-contact measurement, the response speed and high precision measurement, the meas
6、urement range and simultaneous measurement of environmental temperature and temperature characteristic, measurement target distance can reach 30 meters. SCM has small, strong function, low cost, application, advantages and intelligent control and automatic control of single-chip microcomputer in the core is, inspection and control system has been widely used in the system, the temperature is often need to measure and control and maintain a quantity. This paper introduced the use of single chip
