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Electrostatic atomization device

An electrostatic atomization, high-voltage technology, applied in electrostatic spray devices, spray electric energy devices, emergency protection circuit devices, etc., can solve the problem that electrostatic atomization devices cannot convert electrostatic atomization.

Inactive Publication Date: 2012-09-12
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In this electrostatic atomization device, when the voltage at no load is too high, air discharge will occur, in this case, the electrostatic atomization device may not switch to electrostatic atomization

Method used

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Examples

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Embodiment Construction

[0015] An electrostatic atomizing device 1 according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0016] figure 1 The high voltage generating circuit 2 of the electrostatic atomization device 1 is shown. The high voltage generating circuit 2 applies a high voltage between the discharge electrode 3 and the ground, that is, the ground electrode 4 , which forms a discharge unit provided in the electrostatic atomization device 1 . The discharge electrode 3 and the ground electrode 4 are spaced apart from each other by a predetermined distance. The high voltage generating circuit 2 applies a high voltage between the ground electrode 4 and the discharge electrode 3 in a state where water as a liquid is supplied to the distal end of the discharge electrode 3 .

[0017] Therefore, the Coulomb force partially raises the liquid level of the water supplied to the distal end of the discharge electrode 3 to form a conica...

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Abstract

An electrostatic atomization device (1) provided with a transformer including primary and secondary coils (5a, 5b). A switching element (6) is connected in series to the primary coil. A switching element drive circuit (8) provides the switching element with a pulse signal to perform a switching operation and generate high voltage from the secondary coil. A discharge unit including a discharge electrode (3, 4) performs electrostatic atomization on liquid supplied to the discharge electrode to generate charged fine liquid droplets when high voltage generated by the secondary coil is applied to the discharge electrode. The switching element drive circuit generates a pulse signal having an oscillation frequency set so that the transformer has drooping characteristics that prevent air discharge from occurring between the discharge electrode and ground even when load on the discharge unit varies and prevents the generation of ozone having a predetermined concentration or greater when the liquid undergoes electrostatic atomization.

Description

technical field [0001] The invention relates to an electrostatic atomization device. Background technique [0002] Japanese Patent Laid-Open Nos. 2006-334503 and 2007-21370 each disclose a prior art example of an electrostatic atomization device that generates charged water droplets of a nanometer size. The electrostatic atomization device applies a high voltage to the discharge electrode in a state where water is supplied to the distal end of the discharge electrode by capillary action. When a high voltage is applied to the discharge electrodes, the water supplied to the discharge electrodes is charged. This leads to repeated occurrences of Rayleigh splitting and to electrostatic atomization of water. Therefore, the electrostatic atomization device generates charged water droplets of nanometer size. [0003] In this type of electrostatic atomization device, a self-oscillating flyback oscillation-choke converter (ringing choke converter, RCC) is used as a switching power ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/00
CPCB05B5/0255B05B5/053H02M3/3381
Inventor 今井文吾北村浩康山下干弘
Owner PANASONIC CORP
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