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    • 89. 发明申请
    • DETONATOR FIRING CIRCUIT
    • 雷管电路
    • WO2011014891A3
    • 2011-03-31
    • PCT/ZA2010000038
    • 2010-07-28
    • DETNET SOUTH AFRICA PTY LTDKOEKEMOER ANDRELABUSCHAGNE ALBERTUS ABRAHAM
    • KOEKEMOER ANDRELABUSCHAGNE ALBERTUS ABRAHAM
    • F42D1/04
    • F42D1/042
    • A circuit (10) for firing an initiating element (24) of a detonator, the circuit including an integrated circuit controller (12), an energy storage device (18), a first switch (28), and current regulating structure (26), wherein the current regulating structure and the first switch are connected in series with the initiating element, the current regulating structure includes a switching arrangement (32), the current limiting structure (36) which is connected in parallel to the arrangement, and the controller is operable, with the voltage of the energy storage device below a defined level, to close the first switch to allow a test current to pass through the structure and the element and, with the voltage of the device at an operative level, which is greater than the defined level, to close the first switch to cause closure of the arrangement, to allow a firing current, produced by the device, to pass through the arrangement and the element.
    • 一种用于点燃雷管的启动元件(24)的电路(10),该电路包括集成电路控制器(12),能量存储装置(18),第一开关(28)和电流调节结构(26) ,其中所述电流调节结构和所述第一开关与所述起动元件串联连接,所述电流调节结构包括开关装置(32),所述限流结构(36)与所述装置并联连接,所述控制器 在能量存储装置的电压低于限定电平的情况下,可操作以闭合第一开关以允许测试电流通过结构和元件,并且在器件的电压处于可操作水平的情况下,其大于 以便关闭第一开关以使装置闭合,以允许装置产生的点火电流通过装置和元件。