非接触式高精度红外测温终端的设计

Desigh of a high-precision Non-contact infrared temperature measurement terminal

采用集成的红外温度传感器、51系列单片机、外部E2PROM芯片、12位高速A/D转换芯片以及工业级RS485串口通信芯片等,设计了一台非接触式高精度红外测温终端。本文详细介绍了终端硬件电路设计方案、通信接口设计和底层软件设计等,经试验,该终端的基本测量精度达到了±1℃或满量程的1%。

Ainfrared temperature sensor,51 series single-chip,external E2PROM chip,12-bit high speed A/D converter chip and industrial RS485 serial communication chip were used in this paper to design a hign precision non-contact infrared temperature measure-ment terminal,the design of the terminal hardware,communication interface and the underlying software design,etc.were described in this paper.After testing,the end of the basic measurement accuracy is of±1℃.