基于89C2051单片机的远距离高精度温度测控电路  

The Circuit Testing and Controlling Temperature Accurately in a Long Distance Based on the Microcontroller 89C2051

作　　者：雷建龙[1] 李秉玉[1] 

机构地区：[1]武汉船舶职业技术学院,武汉430050

出　　处：《中国仪器仪表》2003年第1期8-9,共2页China Instrumentation

摘　　要：使用AD590作为温度传感器辅之以高输入阻抗的运算放大器,可用于远距离测量;用89C2051作为测量与控制核心可使整个电路简单、紧凑,且具有智能性;温度显示、设定直观方便;对温度的控制合理、有效。AD590 is used as a temperature sensor assisted by operation magnifier with high input resistance which can be used for long distance testing.89C2051 is used as core of testing and controlling ,which makes the circuit compact intellectualized. The display and inialization of temperature is direct and convenient .The control of the temperature is reasonable and effective.

关 键 词：89C2051单片机 远距离 高精度 温度测控电路 频率 传感器 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]