Novel noncontact temperature fiber sensor for multi-spot field measurements

Optomechatronic Technologies (ISOT), 2010 International Symposium on : 25-27 Oct. 2010 : [Toronto, ON]. International Symposium on Optomechatronic Technologies (2010 : Toronto, Ont.) Pub Date : 2010-10-01 DOI:10.1109/ISOT.2010.5687327

M. Jurca, C. Urs

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引用次数: 2

Abstract

The present paper shows the results of a new development in the field of industrial contactless temperature measurement typically in the range of 650 K up to 1200 K. Using fiber optics, the new sensor head has a small size matching the requirements for integration in demanding applications. The sensor delivers an irradiance dependent signal of the targeted (metallic) surface under test together with the acquired distance in the same measuring spot and the corresponding surface reflectivity. Thus a simple processing unit can calculate in realtime the emissivity and the influence of the measuring distance on the temperature measurement. The target application of this sensor is a multi-spot temperature profile acquisition for on-line monitoring of joining processes (welding, brazing, etc.) or any heat affected metal processing including the case of low-emissivity materials like Aluminum.

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用于多点现场测量的新型非接触式光纤温度传感器

本文介绍了工业非接触式温度测量领域的一项新进展，测量范围通常为650 K至1200 K。新型传感器头采用光纤，尺寸小，符合苛刻应用的集成要求。传感器提供被测目标(金属)表面的辐照度相关信号，以及在同一测点获得的距离和相应的表面反射率。这样，一个简单的处理单元就可以实时计算出发射率和测量距离对温度测量的影响。该传感器的目标应用是多点温度剖面采集，用于在线监测连接过程(焊接，钎焊等)或任何受热影响的金属加工，包括铝等低发射率材料的情况。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Optomechatronic Technologies (ISOT), 2010 International Symposium on : 25-27 Oct. 2010 : [Toronto, ON]. International Symposium on Optomechatronic Technologies (2010 : Toronto, Ont.)

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