Title:
ION GENERATION DEVICE AND ELECTRIC APPARATUS EQUIPPED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2014/069072
Kind Code:
A1
Abstract:
Provided is an ion generation device capable of reducing the noise level of the discharge sound without reducing the generated ion concentration. The ion generation device comprises: induction electrodes (8a, 8b); discharge electrodes (7a, 7b) for generating ions between the discharge electrodes (7a, 7b) and the induction electrodes (8a, 8b); and a voltage application circuit (40) for applying a pulse-shaped voltage to the discharge electrodes (7a, 7b). The voltage application circuit (40) includes: a transformer (22) for boosting voltage and applying the boosted voltage to the discharge electrodes (7a, 7b); resisters (24a, 24b) connected between the discharge electrodes (7a, 7b) and the transformer (22); and capacitors (25a, 25b) arranged in parallel with a current path constituted by the resisters (24a, 24b), the discharge electrodes (7a, 7b), and the induction electrodes (8a, 8b). When the electrostatic capacitance generated by the discharge electrodes (7a, 7b) and the induction electrodes (8a, 8b) is set to CA, the electrostatic capacitance of the capacitors is set to CB, and the resistance is set to R, the time constant constituted by R × CA × CB/(CA + CB) is set to minimize the harmonic component of the pulse-shaped voltage.
Inventors:
NISHIKAWA KAZUHIRO
KAWAI MASANORI
UEGAKI SHINYA
NAKATANI MASAJI
KAWAI MASANORI
UEGAKI SHINYA
NAKATANI MASAJI
Application Number:
PCT/JP2013/072089
Publication Date:
May 08, 2014
Filing Date:
August 19, 2013
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
H01T23/00; H01T19/04
Foreign References:
| JP2010049977A | 2010-03-04 | |||
| JP2002268331A | 2002-09-18 | |||
| JP2008155174A | 2008-07-10 |
Attorney, Agent or Firm:
SANO SHIZUO (JP)
Shizuo Sano (JP)
Shizuo Sano (JP)
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