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Development of low-cost indoor air quality monitoring devices: Recent advancements

机译：低成本室内空气质量监测设备的开发：最近的进步

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摘要

The use of low-cost sensor technology to monitor air pollution has made remarkable strides in the last decade. The development of low-cost devices to monitor air quality in indoor environments can be used to understand the behaviour of indoor air pollutants and potentially impact on the reduction of related health impacts. These user-friendly devices are portable, require low-maintenance, and can enable near real-time, continuous monitoring. They can also contribute to citizen science projects and community-driven science. However, low-cost sensors have often been associated with design compromises that hamper data reliability. Moreover, with the rapidly increasing number of studies, projects, and grey literature based on low-cost sensors, information got scattered. Intending to identify and review scientifically validated literature on this topic, this study critically summarizes the recent research pertinent to the development of indoor air quality monitoring devices using low-cost sensors. The method employed for this review was a thorough search of three scientific databases, namely: ScienceDirect, IEEE, and Scopus. A total of 891 titles published since 2012 were found and scanned for relevance. Finally, 41 research articles consisting of 35 unique device development projects were reviewed with a particular emphasis on device development: calibration and performance of sensors, the processor used, data storage and communication, and the availability of real-time remote access of sensor data. The most prominent finding of the study showed a lack of studies consisting of sensor performance as only 16 out of 35 projects performed calibration/validation of sensors. An even fewer number of studies conducted these tests with a reference instrument. Hence, a need for more studies with calibration, credible validation, and standardization of sensor performance and assessment is recommended for subsequent research.
机译：使用低成本的传感器技术来监测空气污染在过去十年中取得了卓越的进步。在室内环境中监测空气质量的低成本设备的开发可用于了解室内空气污染物的行为，并可能对减少相关健康影响的影响。这些用户友好的设备是便携式的，需要低维护，并可实现近实时，连续监控。他们还可以为公民科学项目和社区驱动的科学做出贡献。然而，低成本传感器通常与妨碍数据可靠性的设计妥协相关。此外，随着基于低成本传感器的研究，项目和灰色文献的迅速越来越多，信息被散落。本研究将识别和审查科学验证的文献，批判性总结了利用低成本传感器开发室内空气质量监测装置的最新研究。该审查所采用的方法是对三个科学数据库的彻底搜索，即：SciEncirect，IEEE和Scopus。从2012年开始出版的891个标题并扫描相关性。最后，由35个独特的设备开发项目组成的41篇，特别强调设备开发：传感器的校准和性能，使用的处理器，数据存储和通信，以及传感器数据的实时远程访问的可用性。该研究中最突出的发现表明，由于35个项目中只有16个，仅16个项目的校准/验证传感器的传感器性能组成的研究缺乏。使用参考仪器进行了更少的研究数量的研究。因此，在随后的研究中建议使用具有更多校准，可信验证和评估的标准化的更多研究。

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  • 来源
    《The Science of the Total Environment》 |2020年第jul20期|138385.1-138385.18|共18页
  • 作者

    H. Chojer; P.T.B.S. Branco; F.G. Martins; M.C.M. Alvim-Ferraz; S.I.V. Sousa;

  • 作者单位

    LEPABE - Laboratory for Process Engineering Environment Biotechnology and Energy Faculty of Engineering University of Porto Rua Dr. Roberto Frias 4200-465 Porto Portugal;

    LEPABE - Laboratory for Process Engineering Environment Biotechnology and Energy Faculty of Engineering University of Porto Rua Dr. Roberto Frias 4200-465 Porto Portugal;

    LEPABE - Laboratory for Process Engineering Environment Biotechnology and Energy Faculty of Engineering University of Porto Rua Dr. Roberto Frias 4200-465 Porto Portugal;

    LEPABE - Laboratory for Process Engineering Environment Biotechnology and Energy Faculty of Engineering University of Porto Rua Dr. Roberto Frias 4200-465 Porto Portugal;

    LEPABE - Laboratory for Process Engineering Environment Biotechnology and Energy Faculty of Engineering University of Porto Rua Dr. Roberto Frias 4200-465 Porto Portugal;

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  • 正文语种 eng
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  • 关键词

    Low-cost sensors; Sensor development; Sensor specifications; Indoor air quality; Air quality monitoring;

    机译：低成本传感器;传感器开发;传感器规格;室内空气质量;空气质量监测;

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