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Proceedings 2017, 1(4), 359; doi:10.3390/proceedings1040359

Development of Small-Footprint Thermal Sensor Detecting Airflow at Mouth in Baby

1
Hiroshima City University, 3-4-1, Ozuka-Higashi, Asa-Minami-Ku, Hiroshima 731-3194, Japan
2
Nagoya University, 1-1-20, Daiko-Minami, Higashi-ku, Nagoya 461-8673, Japan
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
*
Author to whom correspondence should be addressed.
Published: 7 August 2017
Download PDF [1471 KB, uploaded 4 September 2017]

Abstract

This paper presents a novel tube flow sensor to measure airflow in mouths for detecting respiration and heartbeat signals of premature babies in incubators. A flow rate sensor with temperature compensation and a flow direction sensor were combined to decrease their footprint on a sensor film. The fabricated sensor film was assembled onto the inside surface of the tube, and its detection properties were investigated. The sensor output in the flow rate sensor obeyed King’s model. The value of output in the flow-direction sensor was changed in accordance with the change of the airflow direction.
Keywords: flow sensor; temperature compensation; respiration flow sensor; temperature compensation; respiration
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Mitsunari, Y.; Hasegawa, Y.; Matsushima, M.; Kawabe, T.; Shikida, M. Development of Small-Footprint Thermal Sensor Detecting Airflow at Mouth in Baby. Proceedings 2017, 1, 359.

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