FIELD: fire safety.
SUBSTANCE: fire-warning aspiration device is used to control the protected object environment for the subject of fire hazard. The fire-warning aspiration device is made in the form of the casing with in-coming air inlet and the exhaust pipes, the fan and the sensors, installed inside the casing to control the fire-hazardous parameters with the control processor. According to the invention the in-coming pipe is connected to the vacuum compartment, at the outlet of which there is the centrifugal fan, the outlet of which is connected to the air discharge compartment, which is simultaneously connected in the maximum angular velocities area of the discharged air flow to the exhaust pipe, and in the minimum velocities area of the discharged air it is connected through the hole in the wall to the measurements compartment, in which the fire hazard parameters control sensors and control processor are installed, additionally the measurement compartment through the ejector is connected to the maximum angular velocities area of the air discharge compartment.
EFFECT: reduction of maintenance time and extended fire-warning device service life.
7 cl, 5 dwg
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