Doze induction alarm system for preventing fatigue driving

The utility model discloses a doze induction alarm system for preventing fatigue driving, which comprises the following components: a single-chip microcomputer, a photoelectric detection circuit module which is used for detecting closing or opening of human eyes, an alarm circuit module and a power...

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Bibliographic Details
Main Author LIU YINJIE
Format Patent
LanguageChinese
English
Published 12.06.2013
Subjects
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Summary:The utility model discloses a doze induction alarm system for preventing fatigue driving, which comprises the following components: a single-chip microcomputer, a photoelectric detection circuit module which is used for detecting closing or opening of human eyes, an alarm circuit module and a power supply circuit. The photoelectric detection circuit module is connected with an input end of the single-chip microcomputer. The alarm circuit module is connected with the output end of the single-chip microcomputer. The photoelectric detection circuit module comprises an infrared LED with a peak wavelength of 1450nm, a silicon photocell, and a signal amplifying and adjusting circuit. The silicon photocell is connected with the signal amplifying and adjusting circuit. The power supply circuit comprises a button cell set and a voltage stabilizing circuit. The button cell set is composed of two CR2032 button cells. The single-chip microcomputer, the infrared LED, the signal amplifying and adjusting circuit, the button
Bibliography:Application Number: CN20122621787U