A Low-Cost Wireless Temperature Sensor: Evaluation for Use in Environmental Monitoring Applications
A Low-Cost Wireless Temperature Sensor: Evaluation for Use in Environmental Monitoring Applications
复制标题
低成本无线温度传感器：环境监测应用的评估
DOI：
10.1175/jtech-d-13-00217.1
复制
发表时间：
2014
影响因子：
2.2
通讯作者：
Cai X
中科院分区：
文献类型：
--
作者：
Cai X
广泛的环境应用将受益于密集的气温观测网络。然而，由于成本、现有选址准则和损害风险的限制，需要新的方法来获得对农业和城市气象现象(如城市热岛)的温度时空模式的高分辨率理解。随着新一代低成本传感器的推出，部署网络以更精细的空间分辨率监测气温成为可能。这项研究调查了具有定制辐射屏蔽(加在一起不到150美元)的Aginova Sentinel Micro(ASM)传感器，该传感器可以利用现有(或用户部署的)Wi-Fi网络向服务器提供安全的、接近实时的气温数据。这使得它非常适合部署在无线通信随时存在的地方，特别是城市地区。在水浴和大气室中对ASM相对于可追踪标准的性能评估表明，它具有良好的测量精度，在−25°C和30°C之间的平均误差为±0.22°C，在环境空气中的时间常数为110±15 S。随后的现场测试还表明，相对于可追踪的气象局可追踪式铂电阻温度计，ASM在一系列气象条件下具有优异的性能(RMSE=0.13°C)。这些结果表明，与现有的观测技术相比，ASM和辐射屏蔽更适合在环境监测应用中以相对较低的成本进行密集网络部署。
A wide range of environmental applications would benefit from a dense network of air temperature observations. However, with limitations of costs, existing siting guidelines, and risk of damage, new methods are required to gain a high-resolution understanding of spatiotemporal patterns of temperature for agricultural and urban meteorological phenomena such as the urban heat island. With the launch of a new generation of low-cost sensors, it is possible to deploy a network to monitor air temperature at finer spatial resolutions. This study investigates the Aginova Sentinel Micro (ASM) sensor with a custom radiation shield (together less than USD$150) that can provide secure near-real-time air temperature data to a server utilizing existing (or user deployed) Wi-Fi networks. This makes it ideally suited for deployment where wireless communications readily exist, notably urban areas. Assessment of the performance of the ASM relative to traceable standards in a water bath and atmospheric chamber show it to have good measurement accuracy with mean errors <±0.22°C between −25° and 30°C, with a time constant in ambient air of 110 ±15 s. Subsequent field tests also showed the ASM (in the custom shield) had excellent performance (RMSE = 0.13°C) over a range of meteorological conditions relative to a traceable operational Met Office platinum resistance thermometer. These results indicate that the ASM and radiation shield are more than fit for purpose for dense network deployment in environmental monitoring applications at relatively low cost compared to existing observation techniques.
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影响因子：
2.2
作者：
Nakamura, R;Mahrt, L
通讯作者：
Mahrt, L
影响因子：
8
作者：
Muller C
通讯作者：
Muller C
自然通风对史蒂文森屏内温度的影响
影响因子：
8.9
作者：
Richard Harrison
通讯作者：
Richard Harrison
影响因子：
3.2
作者：
Hubbart, J;Link, T;Cobos, D
通讯作者：
Cobos, D
伯明翰城市气候实验室 (BUCL)：城市温度网络的经验、挑战和应用
DOI：
--
发表时间：
2013
期刊：
影响因子：
--
作者：
C. Muller;L. Chapman;D. Young;S. Grimmond;Xiaoming Cai
通讯作者：
Xiaoming Cai