Design of a filtering car air purifier

Abstract Aiming at serious air pollution in the passenger car, in this paper, a filtering car air purifier is designed. This paper mainly consists of selection of the fan, design of the filter, design of the shell, processing of all parts, assembly of the complete machine, usage, operation process, and usage. Finally, through the detection of the filtering car air purifier designed in this paper, the test shows that this filtering air purifier can remove harmful substances, such as formaldehyde, in the car.