DEVICE FOR CHECKING AND BLASTING OF EXPLOSIVE CHARGE Russian patent published in 1995 - IPC

FIELD: anti-fire equipment. SUBSTANCE: device has explosive charges 1-4, light-emitting diodes 5-8 for checking condition of explosive charges, resistors 9-12 disposed in circuits of light-emitting diodes, diodes 13-16, relays 17-19 for sequent blasting of explosive charges, explosive charges operation relays 20-22, explosive charges circuit forced blasting relays 23-25, delay relay 26, malfunction panel 27, reject button 28, explosive charges forced blasting button 29, capacitor 30 and resistor 31 of RC-circuit for pulsed operation of relays 23-25, check switch 33, operation switch 34, power supply 35, power unit buses 36-38. EFFECT: improved reliability of blasting. 1 dwg