Design and Property With Digital Measuring Temperature System

doi:10.3696/j.issn.1672-6952.2010.02.020

Journal of Liaoning Petrochemical University ›› 2010, Vol. 30 ›› Issue (2): 71-73.DOI: 10.3696/j.issn.1672-6952.2010.02.020

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Design and Property With Digital Measuring Temperature System

FU Shi-min, YU Zhen

Department of Physics, Bohai University, Jinzhou Liaoning 121013, P.R.China

Received:2009-12-12 Published:2010-06-25 Online:2017-07-05

数显测温系统设计与特性的研究

符时民,于震

渤海大学物理系,辽宁锦州121013

作者简介:符时民(1958-),男,辽宁凌海市,副教授。
基金资助:
辽宁省教育厅科研项目(2008Z005)。

Abstract

Abstract: A digital thermometer with 0.01 ℃ precision was introduced, whose A/D converter is made of the digital voltmeter, whose magnify circuit is made of the integrated operational amplifier OP07 and whose temperature sensor is made of a transistor tube. The principle of temperature sensor and the procedures of the hardware structuring as well as working principle of this kind of digital thermometers were introduced. The experiments and tests results show that the digital measuring temperature system has up to the required standards.

Key words: , Digital themometer , Digital voltmeter , Temperature sensor , A/D converter

摘要： 用晶体三极管PN结做温度传感器,用集成运放OP07等做放大电路,用数字电压表做A/D转换器,
制作了测量精度可达0.01℃的数显温度计。主要介绍数显温度计的传感器原理和硬件电路以及工作原理,实验测
试表明,所设计的数显测温系统达到要求。

关键词: 数显温度计 , , 数字电压表 , , 温度传感器 , A/D转换器

FU Shi-min, YU Zhen. Design and Property With Digital Measuring Temperature System[J]. Journal of Liaoning Petrochemical University, 2010, 30(2): 71-73.

符时民,于震. 数显测温系统设计与特性的研究[J]. 辽宁石油化工大学学报, 2010, 30(2): 71-73.

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Design and Property With Digital Measuring Temperature System

数显测温系统设计与特性的研究

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