热电偶测温技术的研究  

Research on Thermocouple Temperature Measurement Technology

作　　者：韩剑 HAN Jian(Shaanxi Weihe Binzhou Chemical Co.,Ltd.,Xianyang,Shaanxi 713500,China)

机构地区：[1]陕西渭河彬州化工有限公司,陕西咸阳713500

出　　处：《自动化应用》2024年第21期134-141,144,共9页Automation Application

摘　　要：作为石油化工、煤化工、航空航天等领域中的重要测温传感器,热电偶具有用量大、用途广、寿命长等优点。主要依据现行热电偶国家标准、行业标准以及计量标准,简介了热电偶的测温原理、分度号以及分度表,详述了热电偶的结构、类型、补偿导线以及测温方式,同时对比了不同分度号、不同等级热电偶的检定规程或校准规范,以期为热电偶的选型和学习提供参考和指导。As an important temperature sensor in the fields of petrochemicals,coal chemicals,aerospace,etc.,thermocouples have the advantages of large usage,wide application,and long service life.Based on the current national standards,industry standards,and measurement standards for thermocouples,this article briefly introduces the temperature measurement principle,division marks,and division tables of thermocouples.It details the structure,types,compensation wires,and temperature measurement methods of thermocouples,and compares the calibration regulations or standards for thermocouples with different division marks and grades,in order to provide reference and guidance for the selection and learning of thermocouples.

关 键 词：热电偶 测温 补偿导线 套管 

分 类 号：TH811[机械工程—仪器科学与技术]