METHOD OF PREVENTING FALSE ACTUATION OF A SECURITY DETECTOR AND AN ALARM SYSTEM Russian patent published in 2024 - IPC G08B13/22 

FIELD: technical means of security alarm.

SUBSTANCE: group of inventions relates to a method for preventing the generation of a false alarm signal by a security detector and an alarm system. Alarm system includes control panel (101) configured to generate an alarm signal, and security detector (102) connected to said receiving-control device (101) by an alarm loop. Alarm loop connects receiving-control device (101) simultaneously with power contacts and relay contacts (106) of security annunciator (102). At that, receiving-control device (101) is made with possibility to measure values of supply voltage on alarm loop, power contacts and contacts of relay (106) of security annunciator (102), determining the current consumed by security detector (102), and blocking the generation of the alarm signal in case the obtained value of the current strength goes beyond the threshold values when the contacts of relay (106) of security detector (102) are opened. In standby mode, the contacts of relay (106) of security detector (102) are normally closed, and in alarm mode, they are open.

EFFECT: high reliability of generating an alarm signal in an alarm system.

5 cl, 2 dwg