基于单片机的热电偶冷端补偿方法的设计与实现  

Design and Implementation of a Compensation Method at the Thermocouple Cold End Based on Single Chip Microcomputer

作　　者：万军[1] 吕值敏 

机构地区：[1]重庆科创职业学院,重庆永川402160

出　　处：《安徽电子信息职业技术学院学报》2015年第3期23-26,共4页Journal of Anhui Vocational College of Electronics & Information Technology

摘　　要：以美国ATMEL公司生产的AT89C2051单片机作为控制核心,采用MAX6675作为从设备,解决热电偶冷端补偿、温度与热电势非线性影响热电偶测量精度的问题。整个电路具有结构简单、体积小、控制方便、可靠性高等优点,具有广泛的实用价值。Based on the AT89C2051 single chip microcomputer produced by the ATMEL Company as the control core and the MAX6675 as a sub-equipment, the problem of the thermocouple measurement accuracy affected non-linearly by the thermocouple cold end compensation, temperature and the thermoelectric potential is solved. The whole circuit has advantages of simple structure, small volume, convenient control and high reliability etc., so it has wide practical value.

关 键 词：热电偶 冷端 单片机AT89C2051 MAX6675 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]