Electronic circuitry for timing and delay circuits
    21.
    发明授权
    Electronic circuitry for timing and delay circuits 失效
    用于定时和延迟电路的电子电路

    公开(公告)号:US5912428A

    公开(公告)日:1999-06-15

    申请号:US879162

    申请日:1997-06-19

    申请人: Robert S. Patti

    发明人: Robert S. Patti

    摘要: An electronic delay circuit (10) useful for the delayed initiation of detonators illustrates several novel features that may be combined, including a novel oscillator (34), a programmable timer circuit (32) and a run control circuit (46). The oscillator (34) generates a clock signal determined by the rate of discharge of a capacitor (34a) relative to a reference voltage REF. A second capacitor (34b) is charged to a voltage that exceeds REF, and when the first capacitor (34a) falls below REF, an internal signal is generated and the capacitors are switched, so that the first capacitor gets charged while the second is discharged. A latch (34f) produces clock pulses in response to the internal signals. The programmable timer circuit (32) includes a ripple counter (38) and a program bank (40) that loads a count in the counter upon initialization. Each stage of the counter (38) has separate inputs for set and clear signals, and the program bank (40) has a setting circuit and a clearing circuit for each counter stage. Each clearing circuit generates a signal of fixed duration and each setting circuit can generate a signal of two different durations, one of which exceeds the clear signal. During programming, the set signal of short or long duration is chosen and, in loading the counter, the longer of the set signal or the clear signal determines the state of the counter stage. The run control circuit (46) controls a gate (34h) that permits oscillator pulses to increment the counter (38), but closes gate (34h) should a temporary loss in power occur thus preventing the timer (32) from being re-initialized.

    摘要翻译: 用于延迟启动雷管的电子延迟电路(10)示出了可组合的若干新颖特征,包括新颖的振荡器(34),可编程定时器电路(32)和运行控制电路(46)。 振荡器(34)产生由电容器(34a)相对于参考电压REF的放电速率确定的时钟信号。 第二电容器(34b)被充电到超过REF的电压,并且当第一电容器(34a)低于REF时,产生内部信号并切换电容器,使得第一电容器在第二电容器被放电时被充电 。 锁存器(34f)响应于内部信号产生时钟脉冲。 可编程定时器电路(32)包括纹波计数器(38)和程序库(40),其在初始化时加载计数器中的计数。 计数器(38)的每个级具有用于置位和清除信号的单独输入,并且程序库(40)具有用于每个计数器级的设置电路和清零电路。 每个清除电路产生固定持续时间的信号,并且每个设置电路可以产生两个不同持续时间的信号,其中一个持续时间超过清除信号。 在编程期间,选择短或长持续时间的设定信号,并且在加载计数器时,设置信号的时间越长或清除信号确定计数器级的状态。 运行控制电路(46)控制允许振荡器脉冲增加计数器(38)的门(34h),但是如果暂时的功率损耗发生,则关闭门(34h),从而防止定时器(32)被重新初始化 。

    Missile safety system for assuring minimum safe distance
    22.
    发明授权
    Missile safety system for assuring minimum safe distance 失效
    用于确保最小安全距离的导弹安全系统

    公开(公告)号:US5886284A

    公开(公告)日:1999-03-23

    申请号:US423640

    申请日:1964-12-28

    CPC分类号: F42C15/40 F42C11/00

    摘要: An arming and safing system for a missile having an acceleration responsive mechanism for actuating a timing device upon launching to insure arming only after the passage of a predetermined period of time, and an omnidirectional impact switch for activating a dudding switch in case of missile impact at a distance less than a minimum safe distance from the launching vehicle.

    摘要翻译: 一种用于导弹的装备和安全系统,具有加速响应机构,用于在发射时致动定时装置,以便仅在经过预定时间段之后确保布防;以及全向撞击开关,用于在导弹冲击的情况下激活布置开关 距离发射车辆的距离小于最小安全距离。

    Sequential blasting system
    23.
    发明授权
    Sequential blasting system 失效
    连续爆破系统

    公开(公告)号:US5571985A

    公开(公告)日:1996-11-05

    申请号:US428300

    申请日:1995-04-25

    IPC分类号: F42C11/06 F42C15/40 F42D1/055

    CPC分类号: F42D1/055

    摘要: A sequential blasting system for use in particular in mining comprises a plurality of detonator stages S1, S2, . . . , each of which contains a series circuit consisting of a thyristor T and a detonator means ZE, said series circuit being interposed between two supply leads A, O; B, 0. The signal voltage for the thyristor T in each stage is derived solely from the switching state of the thyristor T of the preceding stage. This causes activation to be transferred from stage to stage independently of the detonator means ZE, in particular irrespectively of whether or not a detonator has been attached and whether or not this detonator becomes highly resistive or not as it should upon being activated. This eliminates the errors that have occurred in known circuits. Upon firing the blasting system, such errors can cause the detonation to occur not only at the first detonator stage, but simultaneously at a location where a detonator is missing as well. In other cases, such errors terminate the detonating sequence at the site of an improperly functioning detonator and induce impermissible delays and thus considerably shorten the length of time between the electrical sequence and the blast, thus causing undesirable changes in the shock wave caused by the blasting sequence.

    摘要翻译: 特别用于采矿的连续爆破系统包括多个雷管级S1,S2。 。 。 每个电路包含由晶闸管T和雷管装置ZE组成的串联电路,所述串联电路插在两个电源引线A,O之间; B,0.每级的晶闸管T的信号电压仅来自前级晶闸管T的开关状态。 这导致激活独立于雷管装置ZE而从阶段转移到阶段,特别是不管雷管是否已被附接,以及该雷管是否变得高度阻力或者不起作用。 这消除了已知电路中发生的错误。 在发射爆破系统时,这种错误可能导致爆震不仅在第一个雷管阶段发生,而且也会在雷管丢失的位置同时发生。 在其他情况下,这种错误会在不正确起作用的雷管的位置处终止引爆序列,并引起不允许的延迟,从而大大缩短电气序列与爆炸之间的时间长度,从而导致由爆破引起的冲击波的不希望的变化 序列。

    Multifunctional magnetic fuze
    25.
    发明授权
    Multifunctional magnetic fuze 失效
    多功能磁性引信

    公开(公告)号:US5497704A

    公开(公告)日:1996-03-12

    申请号:US176355

    申请日:1993-12-30

    IPC分类号: F42C11/06 F42C11/04 F42C9/14

    CPC分类号: F42C11/06

    摘要: A multifunctional magnetic fuze is disclosed. The sensor includes an apparatus and method for counting each rotation of a projectile after firing from a weapon. A signal is generated which indicates the rotations of the projectile and a counter counts the turns so that the projectile may detonate at a predetermined nominal number of turns. The turns count may also be used to calculate spin rate and muzzle velocity so that the nominal turns count may be adjusted based on actual velocity. The fuze also may include a timer for counting a time to burst of a projectile. The turns count and/or the times count may be utilized to provide accurate detonation.

    摘要翻译: 公开了一种多功能磁性引信。 传感器包括用于对从武器进行射击后的射弹的每次旋转进行计数的装置和方法。 产生一个指示弹丸的旋转的信号,并且计数器对转弯进行计数,使得抛射体可以以预定的标称匝数引爆。 匝数也可用于计算旋转速度和枪口速度,从而可以根据实际速度调整额定转数。 引信还可以包括一个计时器来计算射弹的时间。 转弯计数和/或时间计数可用于提供精确的爆震。

    Electronic delay circuit for firing ignition element
    26.
    发明授权
    Electronic delay circuit for firing ignition element 失效
    点火元件点火电子延时电路

    公开(公告)号:US5363765A

    公开(公告)日:1994-11-15

    申请号:US31323

    申请日:1993-03-15

    摘要: An electronic delay circuit for firing an ignition element. The delay circuit includes a capacitor which stores electric energy supplied from an electric blasting machine, an oscillator generating a clock pulse train, a circuit for over-exciting the oscillator, a counter which counts clock pulses of the clock pulse train, and a circuit for maintaining a reset state of the counter for a predetermined time period after the electric energy is supplied. The counter produces a trigger signal when it counts a predetermined number of the clock pulses, and the electric energy stored in the capacitor is discharged to the ignition element. Since the oscillator enters into the steady state in a very short time by the over-excitation, the delay circuit has large resistance to external noise.

    摘要翻译: 一种用于点燃点火元件的电子延迟电路。 延迟电路包括:电容器,其存储从电喷砂机提供的电能,产生时钟脉冲串的振荡器,用于使振荡器过激励的电路;计数时钟脉冲串的时钟脉冲的计数器;以及用于 在提供电能之后的预定时间段内保持计数器的复位状态。 当计数预定数量的时钟脉冲时,计数器产生触发信号,并且存储在电容器中的电能被释放到点火元件。 由于振荡器通过过激励在非常短的时间内进入稳态,所以延迟电路对外部噪声具有很大的阻力。

    System of firing control with programmable delays for projectile having
at least one warhead
    27.
    发明授权
    System of firing control with programmable delays for projectile having at least one warhead 失效
    用于具有可编程延迟的系统,具有至少一个WARHEAD的项目

    公开(公告)号:US5180882A

    公开(公告)日:1993-01-19

    申请号:US684252

    申请日:1991-04-12

    申请人: Joel Bansard

    发明人: Joel Bansard

    IPC分类号: F42C11/06

    CPC分类号: F42C11/065

    摘要: This system includes, in a projectile P bearing explosive warheads 2, 4, with their firing device 3, 5, impact detectors 1, an inertial unit 6 and a computer 7. The computer 7 determines, on the basis of the signals from the detectors 1, the instant of impact To and the angle of incidence I of the projectile on the target and, on the basis of the signals from the inertial unit 6, the speed V of the projectile at the instant of impact. Using the data V, I and the data on the type of target C, the computer 7 determines, in real time, the optimum delay with respect to the instant To for the firing of each warhead, and applies this delay to the firing command.

    摘要翻译: 该系统包括在射弹P轴承爆炸弹头2,4以及其击发装置3,5,冲击检测器1,惯性单元6和计算机7.计算机7基于来自检测器的信号 1,射弹瞬间和目标射弹的入射角I,并根据惯性单元6的信号,射弹瞬间的速度V。 使用数据V,I和关于目标C的类型的数据,计算机7实时确定关于每个弹头的触发的瞬间To的最佳延迟,并将该延迟应用于击发命令。

    Electronic device
    28.
    发明授权
    Electronic device 失效
    电子设备

    公开(公告)号:US5159149A

    公开(公告)日:1992-10-27

    申请号:US724492

    申请日:1991-06-24

    申请人: Mark Marsden

    发明人: Mark Marsden

    IPC分类号: F42B3/12 F42C11/06 F42D1/055

    CPC分类号: F42B3/122 F42C11/06 F42D1/055

    摘要: An electronic detonator system 10 comprises a remote RF transmitter 11 and a transportable housing 12 comprising means 13 for charging energy storage means in the detonator 15 and means 14 for programming delay time means in the detonator. The programming means 14 and charging means 13 are connected to a connector 26. Detonator 15 comprises an antenna 29, a RF receiver 30, programmable delay time means 32, a switch 33, a fuse 34 and energy storage means 35. The delay time means 32 and energy storage means 35 are connected to a connector 28. In use, connector 26 is connected to connector 28 at the blast site and storage device 35 is charged and delay time means 32 is programmed. A fire command signal is then transmitted by transmitter 11 and after the delay time, switch 33 connects storage means 35 to fuse 34 thereby to energize the fuse.

    摘要翻译: 电子雷管系统10包括远程RF发射器11和可运输壳体12,其包括用于对雷管15中的能量存储装置进行充电的装置13和用于在雷管中编程延迟时间装置的装置14。 编程装置14和充电装置13连接到连接器26.雷管15包括天线29,RF接收器30,可编程延迟时间装置32,开关33,保险丝34和能量存储装置35。 32和能量存储装置35连接到连接器28.在使用中,连接器26在爆炸位置处连接到连接器28,并且存储装置35被充电,并且对延迟时间装置32进行编程。 然后由发射机11发射火情指令信号,在延迟时间之后,开关33将存储装置35连接到熔丝34,从而为保险丝通电。

    CMOS capacitive charging circuit for electrical detonators

    公开(公告)号:USH1068H

    公开(公告)日:1992-07-07

    申请号:US805353

    申请日:1991-12-09

    IPC分类号: F42C11/06 H03K17/687

    CPC分类号: F42C11/06 H03K17/6872

    摘要: In an electrical detonator, an electrical circuit includes a network for rging the fire pulse capacitor. After battery activation and gun launch, but before arming, the circuit (via an n channel MOS transistor within the CMOS) operates to ground the fire pulse capacitor. At "arm minus 50 msec", the n channel is turned OFF and the p channel transistor is turned ON. This charges the fire pulse capacitor to the battery voltage within 50 msec. The CMOS issues an "ARM COMMAND" to fire the piston actuator (PA) discharging the fire pulse capacitor until PA fires. The fire pulse capacitor is recharged in the 50 msec interval between ARM and FIRE. Logic within the CMOS is used to monitor the fire pulse capacitor. These circuits will detect premature voltage on the fire pulse capacitor and DUD the fuze.

    Delay circuit for use in electric blasting system
    30.
    发明授权
    Delay circuit for use in electric blasting system 失效
    延迟电路用于电喷射系统

    公开(公告)号:US4984519A

    公开(公告)日:1991-01-15

    申请号:US309157

    申请日:1989-02-13

    CPC分类号: F42D1/055

    摘要: A delay circuit for use in an electric blasting system including a capacitor for storing electric energy supplied from an electric blaster, an actuation circuit for detecting the stop of voltage supply from the blaster to generate an actuation signal, a circuit for generating clock pulses, a circuit for counting a predetermined number of clock pulses in response to the actuation signal to generate an igniting signal, and a switching circuit for responding to the igniting signal to discharge the electric energy stored in the capacitor through an igniting resistor, the actuation circuit having a zener diode with a threshold voltage. When the voltage supply from the blaster is stopped and the voltage across the zener diode becomes lower than the threshold voltage, the zener diode is cut-off to generate the actuation signal.

    摘要翻译: 一种用于电喷射系统的延迟电路,包括用于存储从电动发生器供应的电能的电容器,用于检测从起动器停止供电以产生致动信号的致动电路,用于产生时钟脉冲的电路, 电路,用于响应于所述致动信号计数预定数量的时钟脉冲以产生点火信号;以及开关电路,用于响应于所述点火信号,以通过点火电阻放电存储在所述电容器中的电能,所述致动电路具有 具有阈值电压的齐纳二极管。 当来自爆破器的电压停止并且齐纳二极管两端的电压变得低于阈值电压时,该齐纳二极管被切断以产生致动信号。