DEVICE ELECTROMAGNETIC PROTECTION OF SHIELDED ROOM Russian patent published in 2016 - IPC H05K9/00 

FIELD: electrical engineering.

SUBSTANCE: invention relates to shielding vehicles or their parts of electric or magnetic fields with indication of electric values and is intended for protection of shipborne radio-electronic equipment from adverse factors electromagnetic gun. Said technical result is achieved in disclosed device comprising a shielded door, a generator of radio-frequency signal (generator) with an antenna mounted inside door, receiver of RF signal (receiver) with an antenna mounted to outer side of door and connected to it exit registrar received signal level, as well as sensor of door, interacting with input start generator, supplemented by two threshold circuits, three modules of delay, two switches, two indicators from reset input, generator is designed as a generator of single pulse sensor mechanical closing of door is provided with output, corresponding to direction of its opening, and an output corresponding to direction of its closing, output of receiver is connected to two threshold circuits, receiver is provided with automatic level control gain is inversely proportional to noise level at input due to electromagnetic environment generator is also provided with a switch on an additional increase of output level signal by standard value of coefficient shielding door (this standard value can be determined, for example, coefficient shielding door defined by technical specifications thereof) and automatic level control of output signal is directly proportional to noise level at receiver input, output of motion sensor door corresponding to its direction of movement towards closing, connected to input of recorder and input of first module of delay, output of which is connected to trigger input of second delay unit, input start generator and control input of switch automatically controls outputs of second delay unit connected to input of third delay unit and control input of switch output level of generator in its additional increase in value of standard values of shielding doors, outputs a first threshold circuit connected to control input of switch run generator and indicator of poor closing of door, output of third delay unit is connected through switch startup controlled oscillator first threshold circuit at start input of generator, output of recorder is connected through switch of automatic regulators, with first unit delay to automatic regulators receiver and generator, output of second threshold circuit connected to indicator of quality of door, sensor output direction of door movement in direction of its opening is connected to reset inputs indicators of poor quality, and closing of door.

EFFECT: technical result is reducing visibility of objects with electromagnetic shielded room, doors are provided with protection from intentional destructive electromagnetic impacts, and improving electrical safety are protected from impacts of these projects.

1 cl, 2 dwg