Working principle of electronic fishing machine circuit

The fishing machine is powered by a 12V battery (commonly known as battery), and the battery can make it from 6 to 8 hours when the capacity is 30AH. When used, the circuit outputs a pulse above 20 kV, and the pulse power is greater than 100W. Put the high voltage output two electrodes from 0.5 to 1 m into the water. Press SB to make the fish within a certain range, the fish drifts toward the water after electrical injury, and fishing with the net. It is a time to wake up for a period of time, and become a live fish. The electronic fishing machine is shown in Figure 12-105. Figure 12-105 Electronic fishing machine circuit working principle The CD4069 six inverter integrated circuit and R2, RP, and C constitute a basic oscillation circuit, generate a pulse signal having a certain frequency, adjusting the frequency of the RP adjustable output pulse. VT1, VT2, VT3 coupling as a pushing excitation circuit. VT4 ~ VT7 four high-power triodes are used in parallel, as the pulse power output stage, the total operating current is around 3A. The autographs transformer T generate high pressure pulses above 20kV, and the pulse power is about 100 W, and the discharge electrodes A, B are output. The regulator VD provides a 6V operating voltage of the integrated circuit. At the time of production, the IC used the CD4069 six-inverter, Vd of 6V regulator tube, VT1 to VT3 VCEO "50V, β" "60, VT4 ~ VT7 VCEO" 150V, when IC = 2.5a, the β value was substantially the same. The autoiler transformer T uses the JQ-86 vehicle high energy electronic igniter. Adjusting RP makes the total current of 3 to 4A. VT4 ~ VT7 should be added enough heat sink, and the high voltage output line should adopt a good dedicated high voltage line. The choice of other components is shown in the figure. Pay attention to your own safety during use, and pay attention to protect aquatic resources. Editor in charge: LQ6, read full text

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