研究背景病毒对人类的危害越来越严重。公共电话是极易传播病毒的工具。我想到采用臭氧发生器对公共电话机进行消毒、除异味。首先对公共电话机加装一个门罩。门罩起到防尘,创造消毒环境的作用;利用门罩开、关进行安全控制。装置启动消毒、除异味前,有声音提示。消毒、除异味过 Research Background Viruses have become more and more harmful to humans. Public telephones are tools that can easily spread viruses. I think of using ozone generators to disinfect and deodorize public telephones. First install a door cover on the public telephone. The door cover plays a role in dust prevention and creates a sterilizing environment; the door cover is opened and closed for safety control. Before the device starts to disinfect and remove odor, there is a voice prompt. Disinfecting and deodorizing