Air Purifier Based on Sensorless DC Motor and Composite Photocatalyst Technique

Wei Song; Ming Li; Ning Xie

doi:10.4028/www.scientific.net/AMR.546-547.1519

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 546-547Air Purifier Based on Sensorless DC Motor and...

Air Purifier Based on Sensorless DC Motor and Composite Photocatalyst Technique

Abstract:

This project is purposed to design an air purifier based on composite photocatalyst technique. Photocatalyst could work normally only in limited condition with ultraviolet light and light intensity strong enough. In order to overcome the deficiencies above, this project uses composite photocatalyst technique to improve purification efficiency of the air purifier. The composite photocatalyst technique comprehensively combines photocatalyst technique and traditional air purification technology. Moreover, the utilization of multi-thread algorithm has decreased the response time of this design to great extent. The brushless direct current motor without hall sensor charged by direct current frequency conversion technique decreases the noise of the air purifier, prolongs its life, and protects environment by saving energy.

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Periodical:

Advanced Materials Research (Volumes 546-547)

Pages:

1519-1525

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.546-547.1519

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Online since:

July 2012

Authors:

Wei Song, Ming Li, Ning Xie

Keywords:

Brushless Direct Current Motor without Hall Sensor, Composite Photocatalyst Technique, Multi-Thread Algorithm

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