中温区真空标准黑体辐射源研制

doi:10.3969/j.issn.1000-1158.2021.02.01

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摘要介绍了中国计量科学研究院研制的中温区真空标准黑体辐射源的结构设计,工作原理,测试结果和不确定度评定。黑体辐射源工作温度范围为320～500K,黑体空腔开口直径为50mm,空腔深度为260mm,表面喷涂了耐高温漆,空腔发射率优于0.999。真空环境下测试了黑体在335～500K温度范围内的轴向温度均匀性,温度稳定性及黑体辐射源亮度温度等性能指标,结果显示黑体温度均匀性优于0.15K,40min内温度稳定性优于0.03K。分析了黑体辐射源的不确定度来源,黑体辐射源的合成标准不确定度优于0.04K。

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	杨延龙
	郝小鹏
	宋健
	刘洋
	扈又华
	谢臣瑜
	刘延
	谢琳琳

关键词 ：计量学, 红外遥感;黑体辐射源;中温区;发射率;辐射亮度温度;不确定度

Abstract：The structure design, working principle, test results and uncertainty evaluation of the medium temperature vacuum standard blackbody radiation source developed by National Institution of Metrology in China are introduced. The black body radiation source has a working temperature range of 320～500K, the black body cavity aperture diameter is 50mm, the cavity depth is 260mm, the surface is sprayed with high temperature paint, and the cavity emissivity is better than 0.999. The blackbodys axial temperature uniformity, temperature stability and blackbody radiation source brightness temperature were tested in vacuum, and the blackbody temperature uniformity is better than 0.15K, and the temperature stability within 40min is better than 0.03K. The uncertainty sources of black body radiation source are analyzed, and the combined standard uncertainty of the black body radiation source is better than 0.04K.

Key words： metrology infrared remote sensing black body radiation source middle temperature zone emissivity radiant brightness temperature uncertainty analysis

收稿日期: 2020-11-05 发布日期: 2021-02-18

PACS:

TB942

基金资助:国家重点研发计划(2018YFB0504700,2018YFB0504702)

通讯作者: 郝小鹏(1980-),男,天津人,中国计量科学研究院研究员,博士,主要从事红外遥感亮度温度标准装置和量值传递方法的研究。Email: haoxp@min.ac.cn E-mail: 1324865879@qq.com

作者简介: 杨延龙(1993-),男,甘肃武威人,成都理工大学硕士研究生,研究方向为红外辐射温度测量。Email: 844100163@qq.com

引用本文:

杨延龙,郝小鹏,宋健,刘洋,扈又华,谢臣瑜,刘延,谢琳琳. 中温区真空标准黑体辐射源研制[J]. 计量学报, 2021, 42(2): 129-136.
YANG Yan-long,HAO Xiao-peng,SONG Jian,LIU Yang,HU You-hua,XIE Chen-yu,LIU Yan,XIE Lin-lin. Development of Vacuum Standard Blackbody Radiation Source in Middle Temperature Zone. Acta Metrologica Sinica, 2021, 42(2): 129-136.

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http://jlxb.china-csm.org:81/Jwk_jlxb/CN/10.3969/j.issn.1000-1158.2021.02.01 或 http://jlxb.china-csm.org:81/Jwk_jlxb/CN/Y2021/V42/I2/129

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