Protection circuit and method for intelligently eliminating impact of UV lamp
A protection circuit, intelligent technology, applied in the direction of lamp circuit layout, electric light source, electrical components, etc., can solve the problem of electronic switch components such as impact
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[0030] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0031] Such as figure 1 As shown, the embodiment includes a power module, an MCU controller, a zero-crossing detection module, a safety voltage detection module and an electronic switch; the power module provides the required power for the MCU controller and the UV lamp, and the zero-crossing detection module detects the AC power supply of the UV lamp The phase voltage is close to the zero potential point and output; the safety voltage detection module detects and outputs the safe voltage of the capacitor voltage of the UV lamp; the electronic switch is connected in series in the AC power supply circuit of the UV lamp; the MCU controller inputs the zero-crossing detection of the output of the zero-crossing detection module The signal and the safety voltage detection signal output by the safety voltage detection module output a control signal according ...
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