Overpressure-based System to protect vertical evacuation routes against smoke infiltration

Abstract

The present Invention relates to an overpressure-based system applied to protect vertical evacuation routes against smoke infiltration, that can be used in the objects such as hospitals or laboratories, where it is necessary to accurately maintain the pressure difference between two zones on a preset level, characterised in that the system's controlling & working unit 14 is connected with the upper fan's frequency converter 19 through the upper fan's controller 15 , and, next, through the reversible upper fan 4 , and this system's unit is also connected with the upper fan's frequency converter 20 through the lower fan's controller 16 . and, next, with the reversible lower fan 5.

1 . An overpressure-based system to control and protect evacuation routes against smoke infiltration, where the space being secured and protected is equipped with at least, two pressure-regulating governors, at least two reversible fans, at least two air admitting ducts, at least two pressure sensors, at least two temperature sensors, at least two controllers of pressure-controlling governors, at least two controllers of frequency converters, at least one input card with at least two temperature sensors connected thereto and, also, two pressure sensors, and, at least two frequency converters, wherein the system's controlling & working unit  14  is connected with the upper fan's frequency converter  19  through the upper fan's controller  15 , and, next, through the reversible upper fan  4 , and this system's unit is also connected with the upper fan's frequency converter  20  through the lower fan's controller  16 , and, next, with the reversible lower fan  5 . The input card of the upper fan;s controller  17  is connected with the system's controlling & working unit  14  through the upper fan's controller, and the input card of the lower fan's controller  18  is connected with the system's controlling & working unit  14  through the lower fan's controller  16 . Moreover, the system's controlling & working unit  14  is connected with the upper and lower pressure regulating governors  2  and  3  through the upper controller  10  and lower controller  11 ; next, the upper and lower pressure sensors  8  and  9 , placed in the upper and lower air admitting ducts  6  and  7 , are connected with the system's controlling & working unit  11  through the input card of the upper fan's controller  17 , and, next, through the upper fan's controller  15 , and the internal and external temperature sensors  12  and  13  are connected with the system's controlling and working unit  14  through the input card of the lower fan's controller  18 , and, next through the lower fan's controller  16 . 
     
     
         2 . The system according to  claim 1 , wherein, the upper and lower pressure sensors  8  and  9 , placed in the upper and lower air admitting ducts  6  and  7 , are connected with the system's controlling & working unit  14  through the input card of the upper fan's controller  17 , and, next, through the upper fan's controller  15 , and the internal and external temperature sensors  12  and  13  are connected with the system's controlling & working unit  14  through the input card of the upper fan's controller  17 , and, next, through the upper fan's controller  15 . 
     
     
         3 . The system according to  claim 1 , wherein, the upper and lower pressure sensors  8  and  9 , placed in the upper and lower air admitting ducts  6  and  7 , are connected with the system's controlling & working unit  14  through the input card of the lower fan's controller  18 , and, next, through the lower fan's controller  16 , and the internal and external temperature sensors  12  and  13  are connected with the system's controlling & working unit  14  through the input card of the lower fan's controller  18 , and, next, through the upper fan's controller  16 . 
     
     
         4 . System according to  claim 1 , wherein, the upper and lower pressure sensors  8  and  9  placed in the upper and lower air admitting ducts  6  and  7  are connected with the system's controlling & working unit  14  through the input card of the lower fan's controller  18 , and, next, through the lower fan's controller  16 , and the internal and external temperature sensors  12  and  13  are connected with the system's controlling & working unit  14  through the input card of the upper fan's controller  17 , and, next through the upper fan's controller  15 . 
     
     
         5 . The system according to  claim 1  and/or  2 , and to  claims 3  and/or  4 , wherein, provided the value of external temperature is higher than the value of internal temperature, the system activates the blowing function of the reversible upper fan  4  and of the upper pressure-regulating governor  3 , and the exhaust function of the reversible lower fan  5  and of the lower pressure-regulating governor  2 . 
     
     
         6 . The system according to  claims 1  and/or  2 , and the  claims 3  and/or  4 , wherein provided the value of external temperature is lower than or equal the value of internal temperature, the system activates the exhaust function of the reversible upper fan  4  and of the upper pressure-regulating governor  3 , and the blowing function of the reversible lower fan  5  and of the lower pressure-regulating governor  2 . 
     
     
         7 . The system according to  claims 1  and/or  2 , and to  claims 3  and/or  4 , wherein, the air flow inside the vertical evacuation route  1  is controlled and adjusted based on the information acquired from the sensors of the internal and external temperature  12  and a respectively, as well as from the upper and lower pressure-regulating governors  2  and  3 , respectively, since this information forces a preset distribution of pressures not exceeding 50 Pa+/−10%.