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首页> 外文期刊>IEEE sensors journal >Screen-Printed Remotely Readable Environmental Sensor Pair
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Screen-Printed Remotely Readable Environmental Sensor Pair

机译：丝网印刷的远程可读环境传感器对

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摘要

In this paper, we present the fabrication methods and the characterization results of a remotely readable flexible temperature/humidity sensor pair. The sensor pair has been fabricated with a screen printing technology, and it consists of a polymer-based capacitor as a temperature and humidity sensitive component added to the antenna coil for remote reading purposes. The sensor pair relays its operation to the double sensor structure in order to produce the environmental temperature and relative humidity readings. The resonance frequency of the sensor (i.e., the formed network designed to 13.56 MHz) is measured as a function of temperature and relative humidity. Temperature is sensed with the reference sensor with full lamination and the relative humidity with the active sensor with a lamination opening over the polymer capacitor. The sensor has been characterized in the temperature and humidity ranges of 0 °C–70 °C and 45%RH–95%RH, respectively. The simple data-analysis algorithm developed enables the calculation of both temperature and relative humidity from the corresponding measured resonance frequencies. The relative humidity sensitivity (fRES/%RH) of the sensor was between 3.6–5.3 kHz/%RH in the temperature range of 30 °C–50 °C. The temperature sensor in the sensor pair had the sensitivity of 9 kHz/°C in the applied temperature range. In addition, the temperature compensation of the polymer humidity sensor is considered, based on the data-analysis algorithm. Finally, the calibration and the effect of the installation medium of such a sensor pair are discussed.
机译：在本文中，我们介绍了一种可远程读取的柔性温度/湿度传感器对的制造方法和表征结果。传感器对是采用丝网印刷技术制造的，它由基于聚合物的电容器组成，作为对温度和湿度敏感的组件，添加到天线线圈中以进行远程读取。传感器对将其操作中继到双传感器结构，以产生环境温度和相对湿度读数。根据温度和相对湿度来测量传感器的谐振频率（即设计为13.56 MHz的成形网络）。使用完全层压的参考传感器感测温度，而使用在聚合物电容器上方层压的有源传感器感测相对湿度。传感器的特征是温度和湿度范围分别为0°C–70°C和45％RH–95％RH。开发的简单数据分析算法可以根据相应的测得的共振频率计算温度和相对湿度。在30°C–50°C的温度范围内，传感器的相对湿度灵敏度（fRES /％RH）在3.6–5.3 kHz /％RH之间。传感器对中的温度传感器在应用温度范围内的灵敏度为9 kHz /°C。另外，基于数据分析算法，考虑了聚合物湿度传感器的温度补偿。最后，讨论了这种传感器对的安装介质的校准和效果。

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