一种新型数字冷端补偿方法  

A New Compensation Method for Thermocouple Cold Junction

作　　者：戴文进[1] 欧阳慧平[2] 

机构地区：[1]南昌大学,江西南昌330029 [2]江西工业工程职业技术学院,江西萍乡337055

出　　处：《微特电机》2007年第4期22-23,45,共3页Small & Special Electrical Machines

摘　　要：文中介绍了一种具有冷端补偿的单片K型热电偶放大器与数字转换器器件的特点和工作原理,并具体介绍了其与单片机的硬件连接电路及软件实现方法。该方法对于单片机嵌入式系统的组成有普遍的推广意义。In this article, a method of the compensation based on the microcomputer and the digital converter - MAX6675 for thermoeouple cold junction was introduced. The method can perfectly meet the demands of the measurement and control for temperature in the temperature system of industrial stoves. The adopted design scheme was being of universal significance to the composition of embedded single - sheet computer systems.

关 键 词：热电偶 冷端补偿 单片机嵌入式系统 

分 类 号：TH7[机械工程—仪器科学与技术]