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A Study on Eco-friendly Quarantine System Using Antiviral Surface Lighting

Due to the aftermath of COVID-19, we are using a continuous sterilization response system, such as sterilizing the interior of the building or using sterilized air in the air conditioning system. Chemical spraying is cumbersome and requires a lot of labor, and air conditioning systems have good air cleaning functions, but sterilization functions are difficult because they require sufficient residence time. Therefore, we developed an eco-friendly sterilization system that can disinfect the entire building with a single switch by adding a sterilization function to the existing lighting. It is a concept that sterilizes the space sufficiently by combining UVC-LED with high sterilization power with the existing LED surface lighting, using lighting during the day and sterilizing light inside the building without people at night. A PIR sensor was attached to each entrance or light to stop disinfection with a human body sensor in case people enter even at night. For the sterilization performance test, it was confirmed that 99.99% of 5 types of bacteria were sterilized as a result of testing the sterilization performance of attached bacteria at the maximum height of 1.5m or less of the certification body. The radiation intensity was simulated with a value similar to the dose irradiated in the experiment to have sterilizing power at the lighting height of 2.6m in an actual general office. As a result of calculating the sterilization time of the indoor space by coding the UVC-Led specification and the office space with MATLAB as input conditions, sterilization is possible if it is more than 4 hours. Through this study, an eco-friendly smart disinfection system was developed that disinfects the entire building with one switch when UVC is combined with general lighting and controlled from the central control room.

Pandemic, Antibiotic Building, UVC-LEDs, Sterilization, Radiation, Simulation

Ji-won Kim, Chang-shin Lee, Jeong-ja Bae. (2023). A Study on Eco-friendly Quarantine System Using Antiviral Surface Lighting. American Journal of Environmental Science and Engineering, 7(3), 61-66.

Copyright © 2023 Authors retain the copyright of this article.
This article 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.

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