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Chin. Phys. B, 2015, Vol. 24(4): 048801    DOI: 10.1088/1674-1056/24/4/048801
INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY Prev   Next  

Wireless contactless pressure measurement of an LC passive pressure sensor with a novel antenna for high-temperature applications

Li Chena b, Tan Qiu-Lina b, Xue Chen-Yanga, Zhang Wen-Dongb, Li Yun-Zhib, Xiong Ji-Juna
a Science and Technology on Electronic Test and Measurement Laboratory, North University of China, Taiyuan 030051, China;
b Key Laboratory of Instrumentation Science and Dynamic Measurement, Ministry of Education, North University of China, Taiyuan 030051, China
Abstract  In this paper, a novel antenna is proposed for high-temperature test, which can make the high-temperature pressure characteristics of a wireless passive ceramic pressure sensor demonstrated at up to a temperature of 600 ℃. The design parameters of the antenna are similar to those of the sensor, which will increase the coupling strength between the sensor and testing antenna. The antenna is fabricated in thick film integrated technology, and the properties of the alumina ceramic and silver ensure the feasibility of the antenna in high-temperature environments. The sensor, coupled with the ceramic antenna, is investigated using a high-temperature pressure testing platform. The experimental measurement results show that the pressure signal in a harsh environment can be detected by the frequency diversity of the sensor.
Keywords:  ceramic antenna      contactless pressure measurement      high-temperature application      wireless passive pressure sensor     
Received:  14 August 2014      Published:  05 April 2015
PACS:  88.10.gk (High-temperature logging tools and sensors)  
  07.07.Df (Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing)  
  07.20.Ka (High-temperature instrumentation; pyrometers)  
  43.20.Ye (Measurement methods and instrumentation)  
Fund: Project supported by the National Natural Science Foundation for Distinguished Young Scholars, China (Grant No. 51425505), the National Natural Science Foundation of China (Grant No. 61471324), the Program for the Outstanding Innovative Teams of Higher Learning Institutions of Shanxi Province, China (Grant No. 2013-077), and the Graduate Students Outstanding Innovation Project of Shanxi Province, China (Grant No. 20143020).
Corresponding Authors:  Tan Qiu-Lin, Xiong Ji-Jun     E-mail:  tanqlnuc@163.com;xiongjijun@nuc.edu.cn

Cite this article: 

Li Chen, Tan Qiu-Lin, Xue Chen-Yang, Zhang Wen-Dong, Li Yun-Zhi, Xiong Ji-Jun Wireless contactless pressure measurement of an LC passive pressure sensor with a novel antenna for high-temperature applications 2015 Chin. Phys. B 24 048801

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