Dual redundancy system for electronic detonators

Details Dual redundancy system for electronic detonators Dual redundancy system for electronic detonators

F - Mech Eng,Light,Heat,Weapons

42

B

F42B 3/12 (2006.01) F42C 11/06 (2006.01) F42D 1/05 (2006.01)

Patent

CA 2410874

A detonator assembly (10) comprising a housing (12) disclosed and claimed. The assembly comprises an main circuit (11) comprising an electrically operable fuse (16) located in the housing. The assembly further comprises at least a first redundancy circuit (13) wherein at least one element of the main circuit is duplicated (18 for 16) also located in the housing. The invention also includes within its scope an initiation system (42) comprising at least one level of redundancy which may be in one or more or all of a blast controller (24), a harness (40) and detonator assemblies 10.1 to 10.n forming part of the system.

La présente invention concerne un ensemble détonateur (10) comportant un boîtier (12). L'ensemble comprend un circuit principal (11) comportant une mèche à commande électrique (16) logée dans le boîtier. L'ensemble comporte en outre un premier circuit de redondance (13) dans lequel au moins un élément du circuit principal est doublé (18 pour 16) qui est également logé dans le boîtier. L'invention concerne également un système d'amorçage (42) comprenant au moins un niveau de redondance pouvant se trouver dans une ou des ou toutes les parties suivantes: une commande d'explosion (24), un faisceau (40) et les ensembles détonateurs (10.1 à 10.n) faisant partie du système.

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