温度对NDIR气体分析仪信噪比影响的研究

2020 International Conference on Virtual Reality and Intelligent Systems (ICVRIS) Pub Date : 2020-07-01 DOI:10.1109/ICVRIS51417.2020.00121

Hongmei Liu, Chuanwu Tan

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引用次数: 0

摘要

为了提高非光谱红外气体分析仪的信噪比，分析红外池温度稳定性对气体吸收的影响，本文对非光谱红外气体分析仪在室温和恒温控制环境下进行了对比测试。在实验中，采用增量式PID算法的高精度恒温系统将恒温点控制在48±0.1℃，通过在高精度恒温系统下的测试对比表明，气体分析仪的信噪比明显提高。

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Study on the effect of temperature on the ratio of signal to noise for NDIR gas analyzer

In order to improve the signal-to-noise ratio of the non spectroscopic infrared gas analyzer and analyze the influence of the temperature stability in the infrared pool on the absorption of the gas, this paper makes a comparative test on the non spectroscopic infrared gas analyzer in the room temperature and constant temperature control environment. In the experiment, the high-precision constant temperature system with incremental PID algorithm is used to control the constant temperature point at 48 ± 0.1 °C, which is shown by the test comparison under the high-precision constant temperature system, The signal-to-noise ratio of the gas analyzer is improved obviously.

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2020 International Conference on Virtual Reality and Intelligent Systems (ICVRIS)

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