一种低成本空气净化器的设计与构建，该净化器利用强多向电场和紫外线的组合来杀灭空气中的有害微生物。
Design and construction of a low cost air purifier for killing harmful airborne microorganisms using a combination of a strong multi-directional electric-field and an ultra violet light.
作者信息
Ruwan Jayakantha D N P, Bandara H M N, Gunawardana Nadeesha M, Jayantha Rajapakse R P V, Thilakarathne Dulari S, Comini Elisabetta, Gunawardhana Nanda, Karunarathne S M M L
机构信息
Office of Research and International Affairs, Sri Lanka Technological Campus, Padukka, Sri Lanka.
Sensor Lab, Department of Information Engineering, Brescia University, Brescia 25133, Italy.
出版信息
HardwareX. 2022 Feb 11;11:e00279. doi: 10.1016/j.ohx.2022.e00279. eCollection 2022 Apr.
In this work we have designed and developed a low cost and simple instrument to purify air in an enclosure. The device sucks up the air in the enclosed area, kills the microorganisms and let clean air flow out. A combination of an ultra violet light and an electric field are used to kill the microorganisms in air. Three electric field chambers (radial, parallel, perpendicular) are used to clean air more effectively. Stainless steel meshes were used to increase the density of the electric fields. The outer covers were made with plastic and wood. The instrument was tested against an evaporated bacterial solution (Staphylococcus aureus) by letting it flow through the instrument and measuring the bacterial concentration of the output air. The results showed the instrument is extremely effective even when tested against high bacterial concentrations. The instrument is extremely useful to clean air in closed rooms such as in hospitals, schools, etc. and prevent the spread of airborne diseases.
在这项工作中，我们设计并开发了一种低成本且简单的仪器，用于净化封闭空间内的空气。该设备吸入封闭区域内的空气，杀灭微生物，然后让清洁的空气流出。利用紫外线和电场的组合来杀灭空气中的微生物。使用了三个电场室（径向、平行、垂直）来更有效地净化空气。不锈钢网用于增加电场密度。外壳由塑料和木材制成。通过让蒸发的细菌溶液（金黄色葡萄球菌）流经该仪器并测量输出空气的细菌浓度，对该仪器进行了测试。结果表明，即使在高细菌浓度下进行测试，该仪器也极其有效。该仪器对于净化医院、学校等封闭房间内的空气以及防止空气传播疾病的传播非常有用。
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