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首页> 外文期刊>Science and Technology for the Built Environment >Response of eight low-cost particle sensors and consumer devices to typical indoor emission events in a real home (ASHRAE 1756-RP)
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Response of eight low-cost particle sensors and consumer devices to typical indoor emission events in a real home (ASHRAE 1756-RP)

机译：八个低成本粒子传感器和消费设备在真实家庭（Ashrae 1756-RP）中典型的室内排放事件的响应

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摘要

Many consumer-grade low-cost particle sensors have recently entered the market, potentially providing a means of inexpensively monitoring indoor air quality and eventually being used to control building systems. In this study, we evaluate several such products: three bare sensors (BS) and five integrated devices (ID) containing one or more of these sensors and additional features. We collocated the sensors with reference instruments in a real indoor environment for two and half months. During this time, we conducted 27 particle emission events of several different types (incense, candle, toast, spray, cooking, humidifier and open window). All ID and BS exhibited an ability to respond to different PM sources, although the magnitude of their responses varied. The ratio of the time-integrated signals and peaks of the sensor signals to the reference instruments during each event varied from close to zero to around approximately three. Similarly, correlations between one-minute low-cost sensor data and similar reference instrument data varied widely among the sensors and devices tested, with R-2 values between near zero and near one observed.
机译：许多消费级低成本粒子传感器最近进入了市场，可能提供廉价地监测室内空气质量，最终用于控制建筑系统的手段。在这项研究中，我们评估了几种这样的产品：三个裸声传感器（BS）和五个集成设备（ID），其中包含其中一个或多个传感器和其他功能。我们将传感器置于真正的室内环境中的参考仪器，两个半月。在此期间，我们进行了27种不同类型的粒子排放事件（香，蜡烛，多士，喷雾，烹饪，加湿器和开窗）。所有ID和BS都表现出响应不同PM源的能力，尽管其响应的大小不同。在每个事件期间，传感器信号的时间集成信号和峰值与参考仪器的比率从接近到大约大约三个。类似地，一分钟的低成本传感器数据和类似的参考仪器数据之间的相关性广泛在测试的传感器和设备之间变化，R-2在接近零附近之间的R-2值。

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