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Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
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Sensors and Materials, Volume 36, Number 2(3) (2024)
Copyright(C) MYU K.K.
pp. 745-759
S&M3558 Research Paper of Special Issue
https://doi.org/10.18494/SAM4792
Published: February 29, 2024

Automatic Delayed Alcohol Sprayer for Door-handle Disinfection [PDF]

Chien-Nan Chen

(Received September 8, 2023; Accepted February 19, 2024)

Keywords: infrared sensor, epidemic prevention measures, prototype design, cross-domain integration design, public health

In this study, a device that can automatically disinfect door handles and prevent contact infection was designed. This device will spray alcohol onto door handles –6 s after the user leaves, as detected by infrared sensing. We used observation and design thinking methods to carry out needs analysis, prototype design, experimental testing, and effect evaluation. The experimental results showed that this delayed spraying method can effectively reduce the amount of bacteria and dirt on door handles and also increase the user’s sense of hygiene and safety. Moreover, this method can contribute to epidemic prevention without spraying alcohol directly onto the human body.

Corresponding author: Chien-Nan Chen


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This work is licensed under a Creative Commons Attribution 4.0 International License.

Cite this article
Chien-Nan Chen, Automatic Delayed Alcohol Sprayer for Door-handle Disinfection, Sens. Mater., Vol. 36, No. 2, 2024, p. 745-759.



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