Document Type

Article

Publication Date

2004

Publication Title

International Journal of Modern Engineering

Volume

4

Issue

2

Pages

10 pp.

Abstract

This is a design project of an air-filter sensor to be used in home heating and cooling system. The project includes conceptual design, analysis, implementation, tests and modifications. First, the air quality and power consumption between a clean air filter and a dirty air filter is studied. Then, a photo sensor circuit with an ultra high brightness LED emitter and a phototransistor receiver is used to detect dust particles. A red warning LED lights up when a specified amount of dust is collected on the filter and blocks the light beam between the emitter and the receiver. The emitter and receiver are mounted on a simple fixture and can be easily fitted on any air filter. In addition, the cost analysis shows that this design can significantly reduce the electricity bill if the filters are properly replaced.

Comments

"IJME is a highly-selective, peer-reviewed online/print open access journal covering topics that appeal to a broad readership of various branches of engineering and related fields"

Original Publication Citation

Lin, C. Y., Hsiung, S. C., Verma, A. K., & Crossman, G. R. (2004). Design and Analysis of an Air Filter Sensor for a Residential Heating and Cooling System. International Journal of Modern Engineering, 4(2).

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