METHOD OF ADAPTIVE ADDRESS SIGNALING SYSTEM Russian patent published in 2006 - IPC G08B25/00 

FIELD: fire-guard systems.

SUBSTANCE: addresses of on-guard areas of signal tail is determined which tail has on-duty state normally closed relay outputs of fire alarms connected in series corresponding address resistors connected in parallel and end address resistor. Resistors have resistances being individually distinguished at all possible combinations of alarm guard areas at operation of total complex of exploitation, industrial factors and errors in conversions and calculations. According to the method, alarm tail is powered through resistance of power resistor Rpcur, errors in output voltage of alarm tail are filtered, current voltage Upcur of power source and current voltage Utcur of alarm tail are sampled after tail is subject to low frequency filtration. Sampling is subject to analog-to-digital conversion to get number of digits providing true distinction of turning-off and turning-in of minimal resistance of address resistor of alarm tail at background of its maximal possible resistance while taking errors and deviations into account. Digital analog of current resistance RΣcur of alarm tail is calculated and digital identification model of real alarm multiplicity of alarm tail resistances is formed as well as digital identification model of real multiplicity of tail faults. Current group of adjacent like identification fields is formed which fields have to be alarm field and field of faults of tail resistance identification multiplicity to one of which the calculated value of RΣcur or alarm tail fault resistance necessary and exactly belongs. Internal fields of resistances of prophylactic address alarm tail are formed at borders of any alarm current field of alarm identification multiplicity. Moreover, storage of current interpreted values of alarm areas, conditions of prophylactic and malfunction of alarm address tail are used. On the base of results of storage the decision is made on alarm state of guarded areas, prophylactic and malfunction of address alarm tail. By means of dichotomy the address of identification group of that group of adjacent like fields of resistances is searched in memory (alarm field with two prophylactic fields and field of tail resistance malfunction) to which of one the calculated value of current resistance of address alarm tail falls. The last value has to be identified one.

EFFECT: ability to build modern multifunctional adaptive address alarm device; higher efficiency of guard.

4 cl, 1 dwg