Preprint Communication Version 1 This version is not peer-reviewed

Standalone Solar-Powered Ultraviolet Mobile Disinfectant: Bringing Solar Energy in the Global Fight against COVID-19

Version 1 : Received: 24 May 2020 / Approved: 25 May 2020 / Online: 25 May 2020 (17:59:50 CEST)

How to cite: Mahammedi, N.A.; Mahammedi, A. Standalone Solar-Powered Ultraviolet Mobile Disinfectant: Bringing Solar Energy in the Global Fight against COVID-19. Preprints 2020, 2020050415 (doi: 10.20944/preprints202005.0415.v1). Mahammedi, N.A.; Mahammedi, A. Standalone Solar-Powered Ultraviolet Mobile Disinfectant: Bringing Solar Energy in the Global Fight against COVID-19. Preprints 2020, 2020050415 (doi: 10.20944/preprints202005.0415.v1).

Abstract

As the first initiative of its kind in Algeria, here is presented a solar-powered mobile “Ultraviolet Germicidal Irradiation” disinfection unit (UVGI) based on a special germicidal ultraviolet-C (UVC) radiator. The system was designed to disinfect several objects such as: medical tools, reusable masks, face-shields, gloves, phones, laptops, keys, money and many other portable devices that need to be disinfected/sterilized. It offers the advantage of complete autonomy through the built-in photovoltaic (PV) system that includes a solar panel, a gel battery, a charge controller and a power inverter. The system provides an extra 220V-50Hz outlet with 375VA maximum power to be used when energy is needed. The system is easily scalable to generate higher ultraviolet dosages by adding more UVC lamps. The chemical-free germicidal UVC sanitizing method employed by this device effectively disactivates a very wide range of microorganisms (microbes, bacteria and fungi and viruses including the actual SARS-CoV-2 that causes COVID-19 respiratory disease) and it has several advantages in comparison to chemical-based sanitizing methods. The total cost to make this open source device is below 1000 € and is easily customizable and scalable. This device is an open source, secure and fast equipment for objects and surface disinfection. The device will be fully automated by adding PIR sensors or remote control after further funding will be received.

Subject Areas

solar energy; photovoltaics; UVGI; UVC; COVID-19; coronavirus; SARS-CoV-2

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