HARDWARE CIRCUIT DESIGN AND ENGINEERING APPLICATION OF MULTI-CHANNEL THERMOCOUPLES ACQUISITION

被引：2
|
作者：
Yu Hang [1 ]
Yuan Xuewen [1 ]
Xie Chuanlin [1 ]
Gu Jingliang [1 ]
Zhou Yanqing [1 ]
Wang Jianwei [1 ,2 ]
机构：
[1] China Acad Engn Phys, Inst Appl Elect, Mianyang 621900, Sichuan, Peoples R China
[2] China Acad Engn Phys, Grad Sch, Beijing 100088, Peoples R China
来源：
2022 19TH INTERNATIONAL COMPUTER CONFERENCE ON WAVELET ACTIVE MEDIA TECHNOLOGY AND INFORMATION PROCESSING (ICCWAMTIP) | 2022年
关键词：
ADS1258; Multichannel; Cold junction compensation; Ground loop; Equivalent circuit of parallel thermocouple; Open-sensor detection;
D O I：
10.1109/ICCWAMTIP56608.2022.10016528
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Thermocouples have become the most widely used in the field of temperature measurement, due to its wide temperature coverage range, fast response time, simple structure, durability and other characteristics. This paper outlines the working principle of thermocouples, and describes in detail the circuit design of multi-channel thermocouples data acquisition using the precision ADC ADS1258, as well as the data acquisition and processing flow, And how to solve the influence of multiple thermocouples hot-junction grounding in engineering application and the features of using parallel thermocouples for temperature measurement.
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页数：6
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