Design and Research of Wireless Passive High-Temperature Sensor Based on SIW Resonance.
Design and Research of Wireless Passive High-Temperature Sensor Based on SIW Resonance.
复制标题
基于SIW谐振的无线无源高温传感器的设计与研究
DOI：
10.3390/mi13071035
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发表时间：
2022-06-29
期刊：
影响因子：
3.4
通讯作者：
中科院分区：
文献类型：
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作者：
The temperature of advanced components in aviation and aerospace fields is difficult to obtain timely. In this study, we aimed to investigate microwave backscattering technology combined with the theory of substrate integrated waveguide and resonant cavity to design a wireless passive temperature sensor and explore its potential in this field. We employed silicon carbide and aluminum ceramic as the substrate to make sensors. The interrogation antenna was designed to test the sensor, which could completely cover the working frequency of the sensor and had good radiation characteristics. Based on the test results, the silicon carbide sensor was capable of bearing a temperature limit of about 1000 °C compared to the alumina sensor. From 25 °C to 500 °C, its sensitivity was 73.68 kHz/°C. Furthermore, the sensitivity was 440 kHz/°C in the range of 501 °C to 1000 °C. Moreover, we observed the surface of this sensor by using the scanning electron microscope, and the results showed that the damage to the sensor surface film structure caused by long-term high temperature is the major reason for the failure of the sensor. In conclusion, the performance of the silicon carbide sensor is superior to the alumina sensor.
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DOI：
10.3390/s150511454
发表时间：
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期刊：
Sensors (Basel, Switzerland)
影响因子：
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发表时间：
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期刊：
Sensors (Basel, Switzerland)
影响因子：
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通讯作者：
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