Study and development of a negative ion driving circuit with 8kV/4kV dual-output for air purifier

In recent years, the negative ions generator has been widely used to deal with air pollution problems. In this paper, a negative ion generating circuit with 8kV/4kV dual-output is developed for air purifier applications, which circuit generates the high electric field to ionize the air. The number of active particles increases in the air, which react with the exhaust gas and make the air clean. The circuit analysis and results are presented in this paper, and a prototype is also realized to verify the performance.