[1]杜玉玺,胡振琪,葛运航,等.距离对不同强度热源红外测温影响及补偿[J].红外技术,2019,41(10):976-981.[doi:doi:10.11846/j.issn.1001_8891.201910014]
 DU Yuxi,HU Zhenqi,GE Yunhang,et al.Distance Influence and Compensation of Infrared Temperature Measurement with Different Intensity Heat Sources[J].Infrared Technology,2019,41(10):976-981.[doi:doi:10.11846/j.issn.1001_8891.201910014]
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距离对不同强度热源红外测温影响及补偿
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《红外技术》[ISSN:1001-8891/CN:CN 53-1053/TN]

卷:
41卷
期数:
2019年第10期
页码:
976-981
栏目:
出版日期:
2019-10-21

文章信息/Info

Title:
Distance Influence and Compensation of Infrared Temperature Measurement with Different Intensity Heat Sources
文章编号:
1001-8891(2019)10-0976-06
作者:
杜玉玺12胡振琪12葛运航2黄 华2陈瑞涛2汪 勇2王志萌2
1. 中国矿业大学(北京)土地复垦与生态重建研究所,北京 100083;
2. 中国矿业大学(北京)地球科学与测绘工程学院,北京 100083
Author(s):
DU Yuxi12HU Zhenqi12GE Yunhang2HUANG Hua2CHEN Ruitao2WANG Yong2WANG Zhimeng2
1.Institute of Land Reclamation and Ecological Restoration, China University of Mining and Technology(Beijing),
Beijing 100083, China;
2.College of Geoscience and Surveying Engineering, China University of Mining & Technology(Beijing),Beijing 100083,China
关键词:
红外热像仪测温距离指数模型误差修正温度补偿
Keywords:
thermal imager distance of temperature measurement exponential model error correction temperature compensation
分类号:
TN215,TN219
DOI:
doi:10.11846/j.issn.1001_8891.201910014
文献标志码:
A
摘要:
距离是影响热红外测温精度的主要因素。为研究不同距离下不同热源强度的热红外测温精度,设计野外实验,布设460 K和505 K两个热源温度,分别在20 m的距离以间隔为1 m的测温距离采集温度数据,通过函数拟合,分析不同距离下测温值与真实值之间的变化关系。结论如下:1)随着距离的增加,红外测温值呈现先急剧下降,之后逐渐平缓至某一稳定状态的趋势,且当热源温度越高,达到这一稳定状态的距离就越长。2)通过比较多项式和指数拟合函数的相关系数,提出了基于指数函数的温度-距离拟合关系,相关系数最大为0.999。3)依据温度变化速率提出温度-距离的分段数学模型对测温数据进行误差补偿,经过补偿后红外测温值与真实值最大相对误差仅为0.59%。
Abstract:
 In this study, field experiments were designed to determine the accuracy of thermal infrared temperature with different intensity heat sources at different distances. Source temperatures of two different heat intensities (460 K and 505 K) were set up, and temperature data were collected at distances ranging from 1?20 m using a sampling interval of 0.5 m. Furthermore, the relationship between the measured temperature and the actual value was analyzed, and the following conclusions were reached: 1)With an increase in distance, the infrared temperature value declined sharply at first, and then gradually became stable; the higher the temperature of the heat source, the longer the distance required to reach the stable state. 2)By comparing the correlation coefficients of polynomials and the exponential fitting function, a temperature-distance fitting relationship based on the exponential function is proposed; the maximum correlation coefficient is 0.999. 3)The temperature-distance segmentation mathematical model is given based on the temperature change rate used to compensate the temperature measurement data; the maximum relative error between the infrared temperature measurement and the true value was only 0.59% after compensation.

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备注/Memo

备注/Memo:
收稿日期:2018-06-20;修订日期:2018-09-27.
作者简介:杜玉玺(1993-),男,硕士,主要从事土地复垦与生态修复、热红外等方面的研究。E-mail:yuxidu2627@163.com。
通信作者:胡振琪(1963-),男,教授,博士生导师,主要从事土地复垦与生态修复等方面的研究。E-mail:huzq1963@163.com。
基金项目:国家自然科学基金项目“基于温度探测的煤矸石山自燃监测原理与方法”(41371502)。
更新日期/Last Update: 2019-10-23