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用于极地的多层海冰温度传感器的设计与性能分析。

Design and Performance Analysis of a Multilayer Sea Ice Temperature Sensor Used in Polar Region.

机构信息

College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan 030024, China.

SOA Key Laboratory for Polar Science, Polar Research Institute of China, Shanghai 200136, China.

出版信息

Sensors (Basel). 2018 Dec 17;18(12):4467. doi: 10.3390/s18124467.

DOI:10.3390/s18124467
PMID:30562991
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6308691/
Abstract

Temperature profiles of sea ice have been recorded more than a few decades. However, few high-precision temperature sensors can complete the observation of temperature profile of sea ice, especially in extreme environments. At present, the most widely used sea ice observation instruments can reach an accuracy of sea ice temperature measurement of 0.1 °C. In this study, a multilayer sea ice temperature sensor is developed with temperature measurement accuracy from -0.0047 °C to 0.0059 °C. The sensor system composition, structure of the thermistor string, and work mode are analyzed. The performance of the sensor system is evaluated from -50 °C to 30 °C. The temperature dependence of the constant current source, the amplification circuit, and the analog-to-digital converter (ADC) circuit are comprehensive tested and quantified. A temperature correction algorithm is designed to correct any deviation in the sensor system. A sea-ice thickness discrimination algorithm is proposed in charge of determining the thickness of sea ice automatically. The sensor system was field tested in Wuliangsuhai, Yellow River on 31 January 2018 and the second reservoir of Fen River, Yellow River on 30 January 2018. The integral practicality of this sensor system is identified and examined. The multilayer sea ice temperature sensor will provide good temperature results of sea ice and maintain stable performance in the low ambient temperature.

摘要

海冰的温度剖面已经被记录了几十年。然而,很少有高精度的温度传感器能够完成海冰温度剖面的观测,尤其是在极端环境下。目前,应用最广泛的海冰观测仪器能够达到 0.1°C 的海冰温度测量精度。在本研究中,开发了一种具有从-0.0047°C 到 0.0059°C 的温度测量精度的多层海冰温度传感器。分析了传感器系统组成、热敏电阻串结构和工作模式。在-50°C 到 30°C 的范围内评估了传感器系统的性能。对恒流源、放大电路和模数转换器(ADC)电路的温度依赖性进行了全面测试和量化。设计了温度校正算法来校正传感器系统中的任何偏差。提出了一种海冰厚度判别算法,负责自动确定海冰的厚度。该传感器系统于 2018 年 1 月 31 日在黄河乌梁素海和 2018 年 1 月 30 日在黄河汾河二库进行了现场测试。验证并检验了该传感器系统的整体实用性。多层海冰温度传感器将为海冰提供良好的温度结果,并在低温环境下保持稳定的性能。

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本文引用的文献

1
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Sensors (Basel). 2018 Nov 27;18(12):4162. doi: 10.3390/s18124162.
2
A High-Precision CMOS Temperature Sensor with Thermistor Linear Calibration in the (-5 °C, 120 °C) Temperature Range.在(-5°C,120°C)温度范围内具有热敏电阻线性校准功能的高精度 CMOS 温度传感器。
Sensors (Basel). 2018 Jul 5;18(7):2165. doi: 10.3390/s18072165.
3
The central role of diminishing sea ice in recent Arctic temperature amplification.
海冰减少在最近北极温度升高中的核心作用。
Nature. 2010 Apr 29;464(7293):1334-7. doi: 10.1038/nature09051.