Electronic safety insurance circuit applied to artificial rain rocket shell
An electronic safety and safety circuit technology, which is applied in the direction of rocket engine devices, weapon accessories, jet propulsion devices, etc., can solve the problems of inability to design perfect safety devices, etc., and achieve the effect of low cost and high reliability
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[0011] The present invention will be further described below in conjunction with the accompanying drawings.
[0012] Such as figure 1 As shown, about 0.2s after the circuit receives the pulse voltage VCC from the engine control box, the engine ignition signal FIRE SIGNAL 1 is sent out, the thyristor Q1 is turned on, and the ignition capacitor C4 is closed through the thyristor Q1, capacitor C4, and ignition head F1 The circuit discharges, the ignition head F1 acts and detonates the ignition powder of the engine, see figure 2 , the engine ignition charge ignites the engine charge, the rocket flies out, and the high-temperature flame generated by the combustion of the engine charge will fuse the EN connection wire of the signal switch MAX4641 in the A-B part of the engine, see figure 2 , the potential of the EN line changes from ground level to high level 5V, see figure 1 , NO1-COM1 and NO2-COM2 of MAX4641 are turned on, that is, the channel path between the secondary and te...
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