| 摘要 |
An electronic blasting system ( 1 ) comprising a control unit ( 3 ), a surface harness and electronic detonators ( 4 ) connected to the surface harness by a 2-wire lead, the detonators ( 4 ) being adapted to provide information to the control unit ( 3 ) in response to command signals transmitted by the control unit ( 3 ) along the surface harness; wherein the surface harness comprises a primary line ( 2 ) with trunk lines ( 5 ) connect to it, wherein each trunk line ( 5 ) has connected to it individual detonators ( 4 ) making up the same row, wherein each trunk line ( 5 ) is connected to the primary line ( 2 ) by an actuator ( 6 ), and wherein each trunk line ( 5 ) includes an actuator ( 7 ) between adjacent detonators ( 4 ).
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