Electronic delay detonator

Details Electronic delay detonator Electronic delay detonator

F - Mech Eng,Light,Heat,Weapons

42

C

F42C 11/06 (2006.01) F42D 1/055 (2006.01)

Patent

CA 2154186

An electronic delay detonator (30) in which only energy is received only from a blasting unit (1) to determine a delay time, has an oscillating circuit (20) which outputs oscillation pulses in a first transitory oscillation state in which the oscillation pulses are output immediately after the oscillating circuit (20) starts to operate based on storage energy in an energy storing circuit (9), and in a second steady oscillation state. The steady oscillation state of the oscillating circuit is switched, based on an enable signal generated after a predetermined period of time.

L'invention concerne un détonateur électronique à retard (30). Dans ce détonateur, l'énergie reçue ne provient que d'une unité de tir à l'explosif (1) pour déterminer un temps de retard. Ce détonateur comprend un circuit oscillant (20) qui émet des impulsions d'oscillation dans un premier état d'oscillation transitoire, ces impulsions d'oscillation étant générées immédiatement après le démarrage du circuit oscillant (20) fonctionnant en fonction de l'énergie de stockage dans un circuit de stockage d'énergie (9), et dans un deuxième état d'oscillation stationnaire. L'état d'oscillation stationaire du circuit oscillant est commuté en fonction du signal de validation généré après un laps de temps prédéterminé.

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