Wireless detonator assembly, and methods of blasting

F - Mech Eng,Light,Heat,Weapons – 42 – B

Patent

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Details

F42B 3/18 (2006.01) F42D 1/02 (2006.01) F42D 1/055 (2006.01) F42D 5/04 (2006.01)

Patent

CA 2598836

A wireless detonator assembly (10) for blasting arrangements comprising a detonator with a base charge (18), command signal receiving (11) and processing means (12), a charge storage device (13) with a firing circuit (15) for storing electrical energy, at least one power source (14) to power said command signal receiving (11) and processing means (12), and to charge said charge storage device (13), each of said at least one power source (14) capable of supplying a maximum voltage or current that is less than a threshold voltage or current to actuate said base charge (18), and said base charge (18) actuating if a voltage or current in the firing circuit (15) resulting from discharge of the electrical energy from said charge storage device (13) exceeds said threshold voltage or current.

L'invention concerne un ensemble à détonateur sans fil (10) pour l'abattage à l'explosif de structures, comprenant un détonateur comportant une charge de base (18), des moyens de réception (11) et de traitement (12) de signaux de commande, un dispositif de stockage de charge (13) comprenant un circuit de mise à feu (15) pour stocker de l'énergie électrique, au moins une source d'énergie (14) pour alimenter lesdits moyens de réception (11) et de traitement (12) de signaux, et pour charger ledit dispositif de stockage de charge (13), ladite au moins une source d'énergie (14) étant capable de fournir une tension ou une intensité de courant maximale inférieure à une tension ou une intensité de courant seuil pour activer ladite charge de base (18), et ladite charge de base (18) étant activée si une tension ou une intensité de courant dans le circuit de mise à feu (15) résultant de la décharge de l'énergie électrique dudit dispositif de stockage de charge (13) excède ladite tension ou intensité de courant seuil.

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