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Multifunctional Detection Sensor and Sensitivity Improvement of a Double Solenoid Coil Sensor
A multifunction detection sensor for hydraulic oil contaminants based on a microfluidic chip is proposed, which consists of double solenoid coils and a straight microchannel. The inductance detection model of metal particles and capacitance detection model of nonmetal particles are constructed theor...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6631882/ https://www.ncbi.nlm.nih.gov/pubmed/31195719 http://dx.doi.org/10.3390/mi10060377 |
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author | Ma, Laihao Xu, Zhiwei Zhang, Hongpeng Qiao, Weiliang Chen, Haiquan |
author_facet | Ma, Laihao Xu, Zhiwei Zhang, Hongpeng Qiao, Weiliang Chen, Haiquan |
author_sort | Ma, Laihao |
collection | PubMed |
description | A multifunction detection sensor for hydraulic oil contaminants based on a microfluidic chip is proposed, which consists of double solenoid coils and a straight microchannel. The inductance detection model of metal particles and capacitance detection model of nonmetal particles are constructed theoretically. In order to further improve detection sensitivity, experiments of effects of silicon steel sheets on the sensitivity of detection are carried out. Experimental results show that the silicon steel sheets can significantly improve the detection sensitivity of metal particles. The inductance amplitude and signal-to-noise (SNR) of iron particles ranging from 60–130 μm and copper particles ranging from 120–180 μm can be increased by at least 7.0–2.4 and 4.5–2.0 times, respectively. We demonstrate the successful detection of 30 μm iron particles and 90 μm copper particles using double solenoid coils with silicon steel sheets. In capacitance detection experiments, the silicon steel sheets can improve the sensitivity of capacitance detection, but the improvement effect is not obvious. We demonstrate the successful detection of 140 μm water droplets and 240 μm bubbles using double solenoid coils with and without silicon steel sheets. The capacitance amplitude and SNR of detecting water droplets ranging from 140–150 μm and bubbles ranging from 240–250 μm can be increased by 37.4–21.9% and 18.5–8.0% using double solenoid coils with silicon steel sheets, respectively. |
format | Online Article Text |
id | pubmed-6631882 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-66318822019-08-19 Multifunctional Detection Sensor and Sensitivity Improvement of a Double Solenoid Coil Sensor Ma, Laihao Xu, Zhiwei Zhang, Hongpeng Qiao, Weiliang Chen, Haiquan Micromachines (Basel) Article A multifunction detection sensor for hydraulic oil contaminants based on a microfluidic chip is proposed, which consists of double solenoid coils and a straight microchannel. The inductance detection model of metal particles and capacitance detection model of nonmetal particles are constructed theoretically. In order to further improve detection sensitivity, experiments of effects of silicon steel sheets on the sensitivity of detection are carried out. Experimental results show that the silicon steel sheets can significantly improve the detection sensitivity of metal particles. The inductance amplitude and signal-to-noise (SNR) of iron particles ranging from 60–130 μm and copper particles ranging from 120–180 μm can be increased by at least 7.0–2.4 and 4.5–2.0 times, respectively. We demonstrate the successful detection of 30 μm iron particles and 90 μm copper particles using double solenoid coils with silicon steel sheets. In capacitance detection experiments, the silicon steel sheets can improve the sensitivity of capacitance detection, but the improvement effect is not obvious. We demonstrate the successful detection of 140 μm water droplets and 240 μm bubbles using double solenoid coils with and without silicon steel sheets. The capacitance amplitude and SNR of detecting water droplets ranging from 140–150 μm and bubbles ranging from 240–250 μm can be increased by 37.4–21.9% and 18.5–8.0% using double solenoid coils with silicon steel sheets, respectively. MDPI 2019-06-05 /pmc/articles/PMC6631882/ /pubmed/31195719 http://dx.doi.org/10.3390/mi10060377 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Ma, Laihao Xu, Zhiwei Zhang, Hongpeng Qiao, Weiliang Chen, Haiquan Multifunctional Detection Sensor and Sensitivity Improvement of a Double Solenoid Coil Sensor |
title | Multifunctional Detection Sensor and Sensitivity Improvement of a Double Solenoid Coil Sensor |
title_full | Multifunctional Detection Sensor and Sensitivity Improvement of a Double Solenoid Coil Sensor |
title_fullStr | Multifunctional Detection Sensor and Sensitivity Improvement of a Double Solenoid Coil Sensor |
title_full_unstemmed | Multifunctional Detection Sensor and Sensitivity Improvement of a Double Solenoid Coil Sensor |
title_short | Multifunctional Detection Sensor and Sensitivity Improvement of a Double Solenoid Coil Sensor |
title_sort | multifunctional detection sensor and sensitivity improvement of a double solenoid coil sensor |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6631882/ https://www.ncbi.nlm.nih.gov/pubmed/31195719 http://dx.doi.org/10.3390/mi10060377 |
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