热释电红外探测器在安全防护系统中的应用研究

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Abstract Using the infrared ray of human body, which is received and magnified by pyroelectric infrared sensor to form a certain voltage control signal，and using the control signal to trigger a voice recording-reproducing circuit，a pyroelectric infrared detector voice device with auto-control function designed. The circuit adopted new pyroelectric infrared detector assembly and voice recording-reproducing assembly. When someone is present in the detectable range of the pyroelectric infrared detector，first, the pyroelectric infrared sensor will transform the incepted radiation energy to a electric signal，which is then magnified and compared by an inside circuit, and an output control signal，touches off the voice recording-reproducing assembly with the reproducer sending out a beforehand transcribed caution voice to wise the man who does not know well the surrounding condition that the frontage is a danger zone and should not be approched. With the design of integrated structures, the distance-warning device has the advantages of strong anti-jamming ability, low temperature resistance, working stability and use-convenience, and it can be suitably installed and used in several locations which may endanger person safety, such as substation, high voltage switch panel, electric transformer, etc.

Key words：Infrared ray;Pyroelectric infrared sensor;Pyroelectric infrared detector assembly;Voice recording-reproducing assembly

Received: 2005-09-08 Accepted: 2005-12-23

ZTFLH:

TH744.4

Corresponding Authors: WANG Song-de

Cite this article:

WANG Song-de,ZHANG Shuan-ji,ZHU Xiao-long, et al. Study on the Application of Pyroelectric Infrared Sensor to Safety Protection System[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(11): 2027-2029.

URL:

https://www.gpxygpfx.com/EN/Y2006/V26/I11/2027

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