二线制温度变送器的设计  

Design of Two-Wire Temperature Transducer

作　　者：杨明欣[1] 谢明元[1] 杨玲[1] 

机构地区：[1]成都信息工程学院电子系

出　　处：《传感器世界》2002年第11期19-25,共7页Sensor World

摘　　要：本文介绍了二线制热电阻热电偶温度变送器的电路设计, 文章分析了系统实现的理论依据及硬件实现方案,说明了利用VB设计的辅助设计软件。该装置具有精度高、可靠性较好、电路简单、成本低、体积小、生产调试方便等特点, 具有广泛的应用前景。The two-wire temperature transducer with heat resistors and thermocouple is introduced in this paper. The theory and hardware circuits of system are also analyzed. Auxiliary design software with VB is introduced too. This system has many advantages such as high accuracy, high reliability, small volume ,simple circuits , low cost ,easy debugging and so on. So it has a wide application prospect.

关 键 词：二线制 温度变送器 设计 热电阻 热电偶 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]