Vehicle leave-behind passenger detection apparatus
A technology of personnel detection and state detection, which is applied in the field of detection devices for omission of personnel in vehicles, can solve problems such as potential safety hazards, prone to heatstroke, frostbite and freezing to death, and achieve the effects of avoiding dangerous accidents, simple structure, and convenient installation
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[0012] Example: such as figure 1 , figure 2 , image 3 As shown, in a kind of omission personnel detection device in the car, be made up of microprocessor control system 1, car door switch state detection system 2, passenger detection system 3, relay and coil drive system 4 and sound and light alarm system 5, described The microprocessor control system uses the AT89C51 single-chip microcomputer as the control core; the door switch state detection system is composed of KW7N series micro switches; the passenger detection system uses the KP500B pyroelectric human body infrared sensor as the core; the relay And the coil drive system is composed of HJR-3FF-S-Z relay; the door switch state detection system is installed on the driver's side of the car body near the door, and the door switch state detection system is connected with the sound and light alarm system; Two groups of passenger detection systems are installed above the car door, and the passenger detection system is conn...
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