Ground electrode of high energy-gathered electric detonation device

A ground electrode of a high energy-gathered electric detonation device comprises a cylindrical ground electrode head part, a cylindrical ground electrode middle body, a cylindrical ground electrode supporting body and a cylindrical ground electrode tail part, and is combined with an insulation material layer and a through hole. The cylindrical ground electrode head part, the cylindrical ground electrode middle body, the cylindrical ground electrode supporting body and the cylindrical ground electrode tail part are of an integrated structure. The ground electrode effectively overcomes the defects that a metal wire is poor in conducting performance, accidents are caused by guide arcs at high energy-gathered electric detonation time, phenomena of a sintered metal wire and a through hole often occur, a metal wire is often stuck due to the fact that a through hole is too small, a current sensor below a ground electrode is not good in insulation performance, and a cylindrical structural body is not enough in stren