| 一种新型高温热电偶性能测试系统的研制 |
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| 引用本文： | 陈清清,潘江,袁定琨.一种新型高温热电偶性能测试系统的研制[J].计量学报,2022,43(11):1424-1430. |
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| 作者姓名： | 陈清清 潘江 袁定琨 |
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| 作者单位： | 中国计量大学计量测试工程学院, 浙江 杭州 310018 |
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| 基金项目： | 国家自然科学基金(52006206) |
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| 摘 要： | 热电偶在高温使用时容易受到材料相容性、氧化等多种因素的影响,产生显著的不均匀性,需要对其进行性能测试,以进一步判断其测温准确度。研制了一种新结构的高温管式炉,控温热电偶布置方式有利于提高恒温段温度均匀性;在此基础上,搭建了一套高温热电偶测试系统,并对系统性能进行了理论模拟和实验研究。测试结果显示,在400~1000℃范围内,测试系统的温度稳定性优于±0.25℃;长度为150mm的恒温段的温度均匀性优于±0.35℃,表明测试系统的性能够满足热电偶性能测试的需求。
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| 关 键 词： | 计量学 高温管式炉 热电偶性能测试 温度场 均匀性 稳定性 |
| 收稿时间： | 2021-05-24 |
Development of a New High Temperature Thermocouple Performance Testing System |
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| CHEN Qing-qing,PAN Jiang,YUAN Ding-kun.Development of a New High Temperature Thermocouple Performance Testing System[J].Acta Metrologica Sinica,2022,43(11):1424-1430. |
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| Authors: | CHEN Qing-qing PAN Jiang YUAN Ding-kun |
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| Affiliation: | College of Metrology and Measurement Engineering, China Jiliang University, Hangzhou, Zhejiang 310018, China |
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| Abstract: | A high temperature thermocouple testing system is developed, including a new structure of high temperature tube furnace, a temperature control module and a temperature measuring module, and the temperature stability and uniformity of the constant temperature section are experimentally studied. The temperature stability of the test system is better than ±0.25℃ in the range of 400℃ to 1000℃; The temperature uniformity of the constant temperature section with a length of 150mm is better than ±0.35℃. The experimental results show that the performance of the test system can meet the requirements of thermocouple performance test. |
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| Keywords: | metrology high temperature tabular furnace thermocouple performance test temperature field homogeneity stability |
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