System of protection for detection of gradient of pressure of enclosures subjected to overpression or depression (Machine-translation by Google Translate, not legally binding)

摘要

System of protection for detection of gradient of pressure of enclosures subjected to overpression or depression. It comprises a central control unit (2) that government: elements of activation-deactivation of an alarm unit (13), as well as the closure and opening of the enclosure (16); elements (9, 11) to pressure or depress the enclosure; elements (5) detectors of presence of people in the enclosure, as well as a comparing unit (8) that regulates the operation of pressure sensors (7) located inside the enclosure, that transmit their signal to the unit (8) which once sends a signal to the unit (2). It has special utility in armored cameras. (Machine-translation by Google Translate, not legally binding)