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Electronic pests killing lamp circuit diagram 5

2016-08-12 20:21  
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Electronic pests killing lamp circuit diagram 5
The electronic pests killing lamp circuit consists of high voltage generator circuit and lighting circuit, and the circuit is shown as the chart. Lighting circuit is composed of the resistor R2, capacitor C5 and trap lamp EL. High voltage generator is composed of the resistor R1, capacitors C1 ~ C4, diodes VD1 ~ VD4 and the high voltage grid ( the high voltage electrodes A, B ). One way of the AC 220V voltage limited and bucked by R2, C5 and added on the both ends of EL will make the light turn on; another way limited and bucked by R1, R2 and C1 ~ C4, 4 times voltage doubled and rectified by VD1 ~ VD4 will generate the DC high pressure voltage, which is added to the high voltage electrodes A, B and when the pests flies to EL and they would be killed by the DC high voltage. R1 and R2 select 2W metal film resistors. VD1 ~ VD4 use 1N4007 silicon rectifier diodes.