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Electrostatic atomization device

An electrostatic atomization, high-voltage technology, applied in the direction of spraying electric energy devices, output power conversion devices, electrical components, etc., can solve the problems of complex circuit structure, cost and volume increase of electrostatic atomization devices, etc.

Inactive Publication Date: 2011-12-28
PANASONIC ELECTRIC WORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This complicates the circuit structure, leading to an increase in the cost and volume of the electrostatic atomization device

Method used

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Experimental program
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no. 1 approach

[0017] Such as figure 2 As shown, the electrostatic atomization device according to the first embodiment of the present invention includes: a discharge electrode 1; The electrode 2 has a circular inner edge as a substantial electrode; a high voltage generating circuit 3 for applying a high voltage between the discharge electrode and the counter electrodes 1, 2 to cause a discharge therebetween; and for stabilizing An output stabilization circuit 6 for the output voltage of the high voltage generation circuit 3 . In the first embodiment, the counter electrode 2 provided in the electrostatic atomization device is grounded. During the discharge process, a high negative or positive voltage (such as a negative voltage of several thousand volts) is applied to the discharge electrode 1 . At the same time, liquid (such as water) is supplied to the discharge electrode 1 through an existing supplier (such as a water tank or a cooler described in "Background Art", not shown in the fig...

no. 2 approach

[0028] Such as image 3 As shown, like the electrostatic atomizing device of the first embodiment, the electrostatic atomizing device of the second embodiment of the present invention includes a discharge electrode 1 , a counter electrode 2 , a high voltage generating circuit 3 and an output stabilizing circuit 6 . The electrostatic atomization device of the second embodiment is characterized in that it further includes: a discharge current detection circuit 4 that detects a discharge current flowing between the discharge electrode and the counter electrodes 1, 2 through the counter electrode 2; and a discharge current detection circuit based on 4, the control circuit 5 that controls the output of the high voltage generating circuit 3 in such a manner as to maintain a required discharge state, wherein the operating power of the control circuit 5 is obtained from a reference voltage.

[0029] Figure 4 It is a circuit diagram showing a specific circuit configuration of the ele...

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Abstract

The invention discloses an electrostatic atomization device, which can use low withstand voltage circuit elements, simplify the circuit structure, and stably generate nano-scale mist droplets. In the electrostatic atomization device of the present invention, in the process of applying a high voltage from the high voltage generating part to the discharge electrode supplied with the liquid to be electrostatically atomized, the output voltage of the high voltage generating part is stabilized by the output stabilizing part to cause discharge Instead, the liquid is electrostatically atomized. The high voltage generating section includes a self-excited oscillation type DC / DC converter having a transformer and a switching element; the output stabilizing section, based on a voltage induced in the control winding while the switching element is in an on state, A time period during which the switching element is in a conducting state is adjusted.

Description

technical field [0001] The invention relates to an electrostatic atomization device for generating nano-scale droplets. Background technique [0002] There is known an electrostatic atomization device which, when a liquid such as water is supplied to a discharge electrode, applies a high voltage between the discharge electrode and a counter electrode to cause a discharge therebetween, thereby generating The Rayleigh breakup (Rayleigh breakup) atomizes the liquid held on the discharge electrode to produce nano-scale charged water droplets (ie, nano-scale droplets). [0003] The charged micro-water droplets are characterized by containing radicals and having a relatively long fog state duration, thereby being able to diffuse in a large amount in the target space to effectively act on wall surfaces, clothes, etc. attached to, for example, rooms. And odorous substances on the curtains, and play a deodorizing effect. [0004] In an electrostatic atomization device in which wate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B5/053
CPCB05B5/10H02M3/33507
Inventor 和田澄夫裹谷丰松元宇宙
Owner PANASONIC ELECTRIC WORKS CO LTD
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