Discharge device and air-conditioning device equipped with same

The present invention removes electric charges that have accumulated on an electrode, and resets the voltage required for discharging. A discharge device 9 is provided with a discharge electrode 12, a counter electrode 17, a high-voltage electrode 19, a ground electrode 20, a control unit 30, a high...

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Bibliographische Detailangaben
Hauptverfasser: KOMAE, Sota, SAIKI, Ayumi, FURUHASHI, Takuya
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention removes electric charges that have accumulated on an electrode, and resets the voltage required for discharging. A discharge device 9 is provided with a discharge electrode 12, a counter electrode 17, a high-voltage electrode 19, a ground electrode 20, a control unit 30, a high-voltage power supply 40 and the like. The counter electrode 17 is formed of a conductive resin having a volume resistivity of not more than 107 Ω·cm. When the output voltage of the high-voltage power supply 40 is less than a trigger voltage A, the control unit 30 executes a discharge mode, and causes the high-voltage power supply 40 to generate a discharge between the discharge electrode 12 and the counter electrode 17. When the output voltage of the high-voltage power supply 40 has reached the trigger voltage A, a transition is made to a voltage decrease mode, in which output of the voltage by the high-voltage power supply 40 is temporarily suspended. Further, when a lapse of time since the transition to the voltage decrease mode has reached a prescribed voltage decrease time, a transition is made to return to a discharge mode.