Charging circuit and discharging circuit of hair removal instrument and hair removal instrument
The invention discloses an unhairing instrument charging circuit, a discharging circuit and an unhairing instrument, and the charging circuit comprises a charging capacitor which is connected with an IPL lamp tube of the unhairing instrument; the voltage acquisition circuit is connected with the cha...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses an unhairing instrument charging circuit, a discharging circuit and an unhairing instrument, and the charging circuit comprises a charging capacitor which is connected with an IPL lamp tube of the unhairing instrument; the voltage acquisition circuit is connected with the charging capacitor and is used for acquiring the charging voltage of the charging capacitor; the control chip is connected with the voltage acquisition circuit and is used for outputting a first control signal according to the charging voltage; a rectifying circuit; the first switching device is used for controlling on-off of a loop between the alternating-current input voltage and the rectifying circuit; the first switching device control circuit is used for controlling the on-off of a first switching device according to the value of the first control signal; and the quick charging circuit comprises a switching power supply chip and is used for charging the charging capacitor after the switching power supply chip is |
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