The Detection System of Air Quality for the Decorative Environment Based on DSP

Xin Min Xiong; Yan Hou

doi:10.4028/www.scientific.net/AMM.333-335.2338

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 333-335The Detection System of Air Quality for the...

The Detection System of Air Quality for the Decorative Environment Based on DSP

Abstract:

In the system, the gas concentration values about formaldehyde, benzene and ammonia are detected by the gas sensors of high precision, high selectivity and its signal adjusting circuit. The digital signal processor (DSP) is used as the core controller. Three sets of three bit digital tubes are adopted to display gas concentration value. Sound and light alarm signals are send out with the light emitting diode and a buzzer. The ventilation device is configured to promote indoor air circulation and reduce pollution gas concentration. In addition, the modular program of the system is written with the assembly language. The system has the advantages of simple operation and stronger practicability.

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Periodical:

Applied Mechanics and Materials (Volumes 333-335)

Pages:

2338-2342

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.333-335.2338

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Online since:

July 2013

Authors:

Xin Min Xiong, Yan Hou

Keywords:

Air Quality, Decorative Environment, Detection System, Digital Signal Processor (DSP)

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References

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