Burglar alarm based on human body infrared induction module
An anti-theft alarm and human body infrared technology, which is applied in the electronic field, can solve the problems that the anti-theft alarm cannot actively warn, and achieve the effect of protection safety and good effect
Inactive Publication Date: 2017-03-22
GUANGXI UNIV
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Abstract
The invention provides a burglar alarm based on a human body infrared induction module whose circuit adopts a 12V battery (GB) to provide power. The cathode of the battery (GB) is grounded and the anode is in serial connection with the switch (S) and then provides 12V power supply to the following circuits. The following circuits comprise a human body infrared induction circuit and a sound-light warning circuit. The infrared induction module HC-SR501 of the human body infrared induction circuit is capable of monitoring the infrared pyroelectric signals within 5 meters of a human body. When a thief comes close to the monitoring area of a balcony, the alarm can actively generate a sound-light alarm and deter the thief in advance so that the thief dare not to conduct stealth easily and that the household property safety can be further protected. Since the burglar alarm of the invention has the active alarm function, it can achieve a better performance and is very worth being widely promoted into the market.
Application Domain
Burglar alarm
Technology Topic
Human bodyAnode +1
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