LOW-FREQUENCY TRANSMITTING DEVICE FOR BROADCASTING THE ALARM SIGNAL THROUGH THE ROCK MASS

Low-frequency transmitting device for broadcasting the alarm signal through the rock mass, assembled in the case (10), inside the case there are: the main transmitting unit (1), the amplification unit (2), the transformer unit (3), the capacitor unit (4), the antenna switch unit (5) and the power supply unit, withal in this case, the output of the main transmitting unit (2) is connected to the input of the signal amplification unit (2), the output of the amplification unit is connected to the input of the transformer unit (3), the output of the transformer unit (3) is connected to the input of the capacitor unit (4), the output of the capacitor bank (4) is connected to the input of the antenna switch unit (5), the output of the antenna switch unit (5) is intended for connecting the antenna device, and the power supply supplies power to the units. The device is characterized in that it additionally contains a backup transmitting unit (7) and an automatic transfer unit (8), while the output of the main transmitting unit (1) is connected to the input of the automatic transfer unit (8), the output of which is connected to the input of the backup transmitting unit (1), the output of which is connected to the input of the main transmitting unit (1), moreover, the main transmitting unit is additionally connected by a control circuit with the antenna switch unit (5) and the monitoring circuit is connected to the capacitor bank (4), and also contains an additional antenna monitoring unit (9), which is connected in the gap between the transformer unit (3) and the capacitor bank (4). Zemo frekvenču pārraidošā ierīce avārijas signāla translācijai caur iežu kārtu, saliktā korpusā (10), kurā iekšienē ir izvietots galvenais pārraidošais bloks (1), pastiprināšanas bloks (2), transformatoru bloks (3), kondensatoru bloks (4), antenu komutatora bloks (5) un barošanas bloks, turklāt pamata pārraidošā bloka izeja ir saistīta ar signāla pastiprināšanas bloka (2) ieeju, pastiprināšanas bloka (2) izeja ir saistīta ar transformatoru bloka (3) ieeju, transformatoru bloka (3) izeja ir saistīta ar kondensatoru bloka (4) ieeju, kondensatoru bloka (4) izeja ir saistīta ar antenu komutatora bloka (5) ieeju, antenu komutatora bloka (5) izeja ir paredzēta antenu ierīces pieslēgšanai, turklāt barošanas bloks nodrošina blokus ar elektroenerģiju, kas raksturīgs ar to, kas papildus ietver rezerves pārraidošo bloku (7) un automātiskās rezerves ievadīšanas bloku (8), turklāt galvenā pārraidošā