CN100475353C - Electrostatic atomizing device - Google Patents
Electrostatic atomizing device Download PDFInfo
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- CN100475353C CN100475353C CNB2005800106147A CN200580010614A CN100475353C CN 100475353 C CN100475353 C CN 100475353C CN B2005800106147 A CNB2005800106147 A CN B2005800106147A CN 200580010614 A CN200580010614 A CN 200580010614A CN 100475353 C CN100475353 C CN 100475353C
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Abstract
An electrostatic atomizer requiring no water tank and capable of exhibiting an electrostatic atomization effect instantaneously. The electrostatic atomizer comprises a discharge electrode, a counter electrode facing the discharge electrode, a unit for supplying water onto the discharge electrode, and a high voltage source for applying a high voltage between the discharge electrode and the counter electrode. Water on the discharge electrode is electrostatically charged by applying a high voltage, and fine particles of charged water are emitted from the discharge end at the forward end of the discharge electrode. The water supply unit is so structured as to condense water in the surrounding air on the discharge electrode, and water can be supplied onto the discharge electrode in a short time without utilizing an extra water tank. Consequently, fine particles of charged water can be atomized immediately upon use of the atomizer.
Description
Technical field
The present invention relates to a kind of electrostatic atomization apparatus, relate more specifically to make water-cooled coalescence contained in the air to charge with the electrostatic atomization apparatus of ejection nanoscale water particulate with the water of electrostatic means to condensation.
Background technology
Japanese kokai publication hei No.5-345156A has disclosed a kind of electrostatic atomization apparatus of prior art, and it produces charged nanoscale water particulate (spraying of nanometer size).This device is configured to apply high voltage on emission electrode that is provided with water and comparative electrode, so that the water generation Rayleigh that carries on the emission electrode decomposes (Rayleigh disintegration), thereby makes water fogging.Thus obtained fine particles of charged water comprises free radical (radical), and remains in long-time section and be diffused in the space in large quantities, thereby can react effectively with the sharp aroma that is attached to locular wall, clothing or curtain, so that it is carried out deodorizing.
But, provide to the water tank of the water of emission electrode owing to said apparatus depends on to comprise by capillary effect, so it forces the user that water tank is replenished.In order to eliminate this inconvenience, can use by air ring and come the heat exchanger of condensed water, and the water of heat exchanger place condensation is provided to emission electrode around thing.Yet, this scheme will be lasted at least, and a few minutes obtain the water (condensed water) of heat exchanger place generation and condensed water are provided to emission electrode, therefore having caused following problem, is unpractical for the equipment that for example hair-dryer etc. is only operated very short time promptly.
Summary of the invention
The present invention finishes in view of above problem, and to provide a solution, this scheme provides the electrostatic atomization apparatus that can cancel water tank and produce the electrostatic atomization effect immediately.
Electrostatic atomization apparatus according to the present invention comprises: emission electrode; Comparative electrode, it is relative with emission electrode; Water-feed is configured to provide water on emission electrode; And high voltage source, be configured to high voltage is applied on described emission electrode and the described comparative electrode, thereby the water on the emission electrode charged, with discharge end ejection fine particles of charged water from emission electrode with electrostatic means.Water-feed is configured to water is condensate on the emission electrode from surrounding air.Therefore, water contained in the air can be condensed on the emission electrode, thereby can in short time period water be provided to emission electrode, and does not use additional water tank.Thereby, use this device can obtain the atomizing of fine particles of charged water immediately.
Preferably, water-feed comprises refrigerator, this refrigerator cooling emission electrode, thus water can be condensate on the emission electrode from surrounding air.
Water-feed can be configured to have the freezing function of moisture freezes on emission electrode with surrounding air, and has the thawing function that water melts of freezing on the emission electrode.
In addition, device of the present invention preferably includes fan, and it is configured near the air access path is introduced into surrounding air emission electrode.Utilize this configuration, wet air can be provided near the emission electrode, with the condensation water quantity that keeps being scheduled to consistently.In addition, utilize the air stream of gained to carry, and particulate is outwards discharged from the spraying of the fine particles of charged water of emission electrode emission.
Refrigerator and radiator combination are to constitute heat exchanger, and this heat exchanger holds in the enclosure with emission electrode.In this case, shell can be formed with the heat exchange path of separating with the air access path, surrounding air is introduced into radiator and it is discharged shell.Therefore, introduce from the outside and can not leak into the emission electrode side by the air of radiators heat, thereby near the temperature the emission electrode that can not raise, thereby avoid reducing the water condensation efficient at emission electrode place.
In addition, emission electrode is preferably formed with the water receptacle of splendid attire certain volume water, thereby it can water storage in case find excessive condensation, and can utilize the water in the container to guarantee the water yield that atomizes under being difficult to produce the situation of water.In addition, can reduce excessive water intrusion other parts and cause risk of short-circuits.
Refrigerator can be realized by small-sized amber ear card (Peltier) effect electrothermal module with high cooling efficiency.
In addition, the present invention has disclosed the device that is provided with a plurality of emission electrodes.In this case, a plurality of emission electrode heat are coupled to refrigerator, so that discharge end separately is cooled to uniform temp; And be electrically coupled to high voltage source simultaneously, so that discharge end separately receives identical electric-field intensity.Therefore, can utilize single refrigerator that the spraying of a large amount of fine particles of charged water is provided.
A plurality of emission electrodes preferably are integrated in the single electrod assembly.This electrod assembly has the single bar that is coupled to refrigerator, and emission electrode extends via branch respectively from single bar.The electrod assembly that utilization is integrated with a plurality of emission electrodes causes being easy to making.In addition, utilize the emission electrode of equal length and the branch of equal length, identical chilling temperature can be provided for the discharge end of each emission electrode.In this case, all emission electrode has their discharge ends separately, and described discharge end and comparative electrode be equidistance at interval, thereby produces uniform spray amount with stable manner from a plurality of emission electrodes.
In addition, electrod assembly preferably is manufactured from the same material integrative-structure, and wherein emission electrode claims to be provided with around this pole pair.
In addition, electrod assembly preferably is connected to and is receiving high voltage to the tie point of refrigerator skew from high voltage source from branch.Therefore, can apply high voltage to each emission electrode, the discharge end at each emission electrode keeps chilling temperature constant simultaneously, thereby guarantees to produce spraying with stable manner.
In order to cool off the discharge end of emission electrode effectively, electrod assembly preferably is equipped with adiabatic sheath layer, and it covers the part that extends to refrigerator from branch.
In addition, can be provided with equally and the corresponding a plurality of comparative electrodes of emission electrode.In this case, each comparative electrode and each autocorrelative emission electrode be same distance at interval, thereby for the discharge end of each emission electrode provides identical electric-field intensity, guarantees to produce a large amount of sprayings with stable manner.
Description of drawings
Fig. 1 is the stereogram according to the electrostatic atomization apparatus of first embodiment of the invention;
Fig. 2 is the vertical view of said apparatus;
Fig. 3 is the sectional view along 3-3 line among Fig. 2;
Fig. 4 is the sectional view along 4-4 line among Fig. 2;
Fig. 5 is the stereogram of the remodeling of said apparatus;
Fig. 6 is the vertical view of another remodeling of said apparatus;
Fig. 7 is the vertical cross-section diagram of the another remodeling of said apparatus;
Fig. 8 is a stereogram of removing the electrostatic atomization apparatus of a part according to second embodiment of the invention;
Fig. 9 (A), Fig. 9 (B) and Fig. 9 (C) are the key diagrams that the different shape emission electrode that can be used among the present invention is shown respectively; And
Figure 10 (A), Figure 10 (B), Figure 10 (C) and Figure 10 (D) are the key diagrams that the different shape emission electrode that can be used among the present invention is shown respectively.
The specific embodiment
＜the first embodiment 〉
With reference to the electrostatic atomization apparatus of description of drawings according to first embodiment of the invention.As shown in Figures 1 to 4, this electrostatic atomization apparatus comprises housing 10, is provided with a plurality of emission electrodes 21 in this housing 10.Be connected with the battery lead plate of a plurality of comparative electrodes 30 integrated in the open top of housing 10, described comparative electrode 30 is relative with the end of emission electrode 21 with preset distance respectively.This battery lead plate is formed with a plurality of circular opens 32, and described circular open 32 has central axis respectively, and the tip of each corresponding emission electrode 21 is arranged on the described central axis.
Realize refrigerator 40 by peltier effect electrothermal module (after this being called Poltier module), this module has cold side, the end relative with discharge end 22 of this cold side and emission electrode 21 couples, thereby, emission electrode 21 is cooled to the temperature of the dew point that is lower than water by applying constant voltage in the thermoelectric element that constitutes Poltier module.Poltier module is configured to have a plurality of thermoelectric elements that are connected in parallel between conductive circuit board, thereby cools off emission electrode 21 with the speed of determining from cooling controller 50 given variable voltages.One of conductive circuit board on the cold side is coupled to emission electrode 21, and another circuit board on the heated side is coupled to the radiator 45 with fin 46.Poltier module is provided with thermistor, is used to detect the chilling temperature of emission electrode 21; And cooling controller 50 is configured to control the temperature of Poltier module 40, thereby keeps electrode temperature corresponding with environment temperature and humidity, and promptly this temperature makes that the water of capacity is condensable on emission electrode.
A plurality of emission electrodes 21 are integrated in the electrod assembly 20 of one (unitary) structure.Electrod assembly 20 is made by the material with satisfactory electrical conductivity and high-termal conductivity (for example copper, aluminium, silver or their alloy), have single bar (stem) 24 and from the upper end of bar 24 horizontally extending a plurality of branches 25, each emission electrode 21 erects from the end of each branch 25.Bar 24 has the flange 26 of the cold side that is coupled to Poltier module 40.Bar 24 passes the upper wall 16 of lower house 15 and the diapire 12 of upper shell 11 extends, and branch 25 is along the top surface extension of diapire 12.Lower house 15 and upper shell 11 are all made by the dielectric material with well insulated.In this case, on the bar 24 that extends to branch 25 from Poltier module 40, adiabatic sheath layer can be set, thereby improve the thermal insulation between electrod assembly 20 and the housing 10.
Each emission electrode 21 is of similar shape, and from the upper end of bar 24 by branch 25 horizontal intervals of equal length, as shown in Figure 2, thereby be cooled to uniform temp.The discharge end 22 of each emission electrode 21 is arranged on the central axis of circular window 32 of each corresponding comparative electrode 30, having identical electric-field intensity, thereby can discharge the spraying of fine particles of charged water from each emission electrode 21 equally.
Fig. 5 illustrates the remodeling of the foregoing description, and wherein the comparative electrode 30 that is used in combination with two emission electrodes 21 is formed with single circular window 32, and discharge end is arranged on the radially opposite end of circular window 32.In this case, between the inner rim of circular window 32 and each discharge end 22, discharge, thus the spraying that produces fine particles of charged water.
Fig. 6 illustrates another remodeling, and wherein three emission electrode 21 isogonism ground at interval.Equally in this case, emission electrode 21 is integrated in the electrod assembly of integrative-structure (as in the above-described embodiments), and is coupled to the upper end of bar 24 via the branch 25 of equal length, thereby is cooled to uniform temp.Comparative electrode 30 is configured as has three circular windows 32, and described circular window 32 all has the central axis that is provided with each emission electrode.
Though the foregoing description and remodeling have disclosed the device that is equipped with a plurality of emission electrodes, the present invention should be not limited thereto, and can be configured to only use single emission electrode 21, as shown in Figure 7.In this remodeling, tubular shell 10 is vertically separated by dividing plate 13, and emission electrode 21 passes this dividing plate 13 and extends.The lower end of housing 10 is coupled to heat sink 45, and Poltier module 40 is contained between dividing plate 13 and the heat sink 45.Poltier module 40 is configured to have a plurality of thermoelectric elements that are arranged between pair of conductive circuit board 41 and 42, and has the cold side circuit board 41 that is coupled to the flange 26 of emission electrode 21 lower ends through the good dielectric sheet of thermal conductivity.Flange 26 is surrounded by adiabatic sheath layer 7, to reduce the heat absorption for housing.Emission electrode 21 is connected to the electrode terminal 18 on dividing plate 13 downsides, and Poltier module is connected to the connector 19 that outwards protrudes from the lower end of housing 10.The upside of dividing plate 13 is provided with water receptacle 28, and it absorbs the excessive water that emission electrode 21 places produce, and leaks into electrode terminal 18 and Poltier module 40 sides to prevent water.
＜the second embodiment 〉
Fig. 8 illustrates the electrostatic atomization apparatus according to second embodiment of the invention, and except fan 110 was in housing 10 is contained in single shell 100, it was same as the previously described embodiments basically.The housing 10 of carrying emission electrode 21, comparative electrode 30, Poltier module 40 and fin 46 is arranged on the upper end of shell 100, and fan 110 is arranged on the lower end of shell 100.In the present embodiment, the heat exchanger of Poltier module other end formation refrigerator as an end constitutes radiator.Fan 110 is set obtaining ambient air, and the air access path 104 in being formed on shell 106 and heat exchange path 106 are with its outside release through air intake 102.Air access path 104 is formed on the downstream (downstream) of the fan 110 between housing 10 and the shell 100, the air stream A that is forced to that fan was produced enters housing 10 from air intake 14 with guiding, and through the circular window 32 of comparative electrode 30 with its outside release, airborne during this period condensate moisture is on emission electrode 21, and the spraying of the charged corpuscle that discharges from emission electrode 21 is carried with outside ejection by being forced to air stream.
And on the other hand, heat exchange path 106 is set is forced to fin 46 on every side the path of air stream B on the downstream of passing through fan 110 with guiding, and the liberation port in the wall of shell 100 108 is with its outside ejection.Therefore, air stream contacts with fin 46, to improve the cooling effect at Poltier module 40 places.Heat exchange path 106 is separated with air access path 104, leaks to emission electrode 21 with the air of avoiding the fin heating.Thus, provide fresh air, with condensed water therefrom effectively to emission electrode 21.
Temperature-humidity sensor 80 is set near air intake 102, is used for the testing environment temperature and humidity.Cooling controller 50 control is applied to the voltage of Poltier module 40, emission electrode 21 is cooled to the temperature of being determined by environment temperature and humidity, promptly is cooled to the temperature that on emission electrode 21 condensation goes out enough water.In addition, cooling controller 50 is connected to galvanometer 70, is used to monitor the discharge current that flows between emission electrode 21 and the comparative electrode 30, thereby the control Poltier module is so that discharge current keeps constant.Because the water yield of condensation is proportional on the amount of discharge current and the fine particles of charged water that discharges from discharge end 22 or the emission electrode, so keep constant discharge current by control Poltier module 40, can continue the spraying of release fine particles of charged water quantitatively.
Fan 110 is connected to air stream controller 120, is used to regulate the air mass flow that provides to emission electrode 21 and fin 46.Air stream controller 120 is connected to galvanometer 70 and temperature-humidity sensor 80, to regulate air mass flow according to discharge current and environment temperature and humidity.For example, when having very big difference between environment temperature and the emission electrode, air mass flow increases to improve the cooling effectiveness at Poltier module place.In addition, when the water shortage of condensation on the emission electrode, air mass flow increases so that more substantial surrounding air is provided to emission electrode.On the other hand, when condensation had enough water on the emission electrode, fan stopped or air mass flow reduces, thus the spraying that keeps continuing quantitatively the release fine particles of charged water.
When emission electrode 21 under specific environment during supercooling, the water of condensation may freeze on the emission electrode 21.In case freeze, discharge current reduces, and this situation controller 50 that can be cooled knows.In this case, cooling controller 50 control Poltier modules 40 freeze thereby eliminate to improve the temperature of emission electrode 21.For example, the cooling of being undertaken by Poltier module reduces or stops.In addition, the polarity that is applied to the voltage of Poltier module can temporarily be reversed, with heating emission electrode 21.In this case, cooling controller 50 can be configured to and switches freezing airborne moisture and melting the function of freezing water, thereby an amount of water is provided to emission electrode 21.
As shown in Figure 9, emission electrode 21 can be formed with the water receptacle of temporary transient splendid attire excessive water.Fig. 9 (A) illustrates an example, thereby wherein emission electrode 21 has been formed centrally therein to be made by porous ceramics and has capillary water receptacle 90A.An example shown in Fig. 9 (B), wherein emission electrode 21 is formed with the capillary channel of extending vertically at its outer surface, to limit water receptacle 90B.In arbitrary example, water receptacle is carried out hydrophilic treated, and other parts for example are carried out hydrophobic treatment by applying watertight composition.In Fig. 9 (C), emission electrode 21 inside are formed with the capillary gap of extending vertically, to limit water receptacle 90C.For example, by with emission electrode dimidiation or three parts, can form this gap in the inside of emission electrode.
The discharge end 22 that Figure 10 is depicted as emission electrode 21 far-ends provides the various structures of the amount of being filled with water of increase.Figure 10 (A) illustrates an example, and wherein discharge end 22 is formed with the plane, preserves water thereon with the surface tension by water.Figure 10 (B) illustrates an example, and wherein centre in the plane is formed with sharp projection, so that electric charge is converged at herein.An example shown in Figure 10 (C), wherein discharge end is formed with recess, to preserve water within it.An example shown in Figure 10 (D), wherein the middle part on recess is formed with sharp projection.In arbitrary example, provide to the water of discharge end and can suitably be kept at the there, the Rayleigh that water can successfully take place water is decomposed, therefore guarantee to provide electrostatic atomization with stable manner.Can form more than a projection to increase spray amount.
Claims (14)
1, a kind of electrostatic atomization apparatus comprises:
Emission electrode;
Comparative electrode, it is relative with described emission electrode;
Water-feed, being configured to provides water on described emission electrode;
High voltage source is configured to high voltage is applied on described emission electrode and the described comparative electrode, thereby with electrostatic means the water on the described emission electrode is charged, with the discharge end ejection fine particles of charged water from described emission electrode;
Wherein, described water-feed is configured to water is condensate in from surrounding air on the described emission electrode.
2, device as claimed in claim 1, wherein:
Described water-feed comprises refrigerator, and this refrigerator cools off described emission electrode, so that water is condensate in from surrounding air on the described emission electrode.
3, device as claimed in claim 1, wherein:
Described water-feed has the moisture freezes of surrounding air at the freezing function on the described emission electrode and with the thawing function that water melts of freezing on the described emission electrode.
4, device as claimed in claim 2 also comprises:
Fan, it is configured near the air access path is introduced into surrounding air described emission electrode.
5, device as claimed in claim 4, wherein:
Described refrigerator and radiator combination are to constitute heat exchanger;
Described heat exchanger holds in the enclosure with described emission electrode;
Described shell is formed with the heat exchange path of separating with described air access path, surrounding air is introduced into described radiator and it is discharged described shell.
6, device as claimed in claim 1, wherein:
Described emission electrode is formed with the water receptacle of splendid attire certain volume water.
7, device as claimed in claim 2, wherein:
Described refrigerator is to realize that by the peltier effect electrothermal module with cold side and heated side described cold side is coupled to described emission electrode so that it is cooled off.
8, device as claimed in claim 2, wherein:
Be provided with a plurality of described emission electrodes;
Described emission electrode heat is coupled to described refrigerator, so that discharge end separately is cooled to uniform temp;
Described emission electrode is electrically coupled to described high voltage source, so that discharge end separately receives identical electric-field intensity.
9, device as claimed in claim 8, wherein:
A plurality of described emission electrodes are integrated in the electrod assembly, and this electrod assembly has the single bar that is coupled to described refrigerator;
Described emission electrode extends via branch respectively from described single bar.
10, device as claimed in claim 8, wherein:
Whole described emission electrodes have their discharge ends separately, and described discharge end and described comparative electrode be equidistance at interval.
11, device as claimed in claim 9, wherein:
Described electrod assembly is manufactured from the same material integrative-structure, and described emission electrode claims to be provided with around described pole pair.
12, device as claimed in claim 11, wherein:
Described electrod assembly is connected to and is receiving high voltage to the tie point of described refrigerator skew from described high voltage source from described branch.
13, device as claimed in claim 9, wherein:
Described electrod assembly is equipped with adiabatic sheath layer, and it covers the part that extends to described refrigerator from described branch.
14, device as claimed in claim 8, wherein:
A plurality of described comparative electrodes are respectively with respect to described emission electrode setting;
Each described comparative electrode and each autocorrelative described emission electrode be same distance at interval.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP114364/2004 | 2004-04-08 | ||
| JP2004114364A JP4625267B2 (en) | 2004-04-08 | 2004-04-08 | Electrostatic atomizer |
| JP182920/2004 | 2004-06-21 | ||
| JP018682/2005 | 2005-01-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1938103A CN1938103A (en) | 2007-03-28 |
| CN100475353C true CN100475353C (en) | 2009-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800106147A Active CN100475353C (en) | 2004-04-08 | 2005-04-01 | Electrostatic atomizing device |
| CNB2005800106151A Active CN100463727C (en) | 2004-04-08 | 2005-04-05 | Electrostatic atomizing device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800106151A Active CN100463727C (en) | 2004-04-08 | 2005-04-05 | Electrostatic atomizing device |
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|---|---|
| JP (1) | JP4625267B2 (en) |
| CN (2) | CN100475353C (en) |
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| JP5609457B2 (en) * | 2010-03-29 | 2014-10-22 | パナソニック株式会社 | refrigerator |
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| JP5097261B2 (en) * | 2010-12-07 | 2012-12-12 | パナソニック株式会社 | Electrostatic atomizer |
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| JP2019098244A (en) * | 2017-12-01 | 2019-06-24 | パナソニックＩｐマネジメント株式会社 | Electrostatic atomizer |
| US11850617B2 (en) | 2018-04-06 | 2023-12-26 | Panasonic Intellectual Property Management Co., Ltd. | Electrostatic atomizing apparatus and electrostatic atomizing method |
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| CN110433973B (en) * | 2019-08-28 | 2024-02-09 | 安徽未来表面技术有限公司 | Experimental device for spraying plastic powder on metal surface |
| JP2021116933A (en) * | 2020-01-22 | 2021-08-10 | パナソニックＩｐマネジメント株式会社 | refrigerator |
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| JP5149473B2 (en) * | 2001-09-14 | 2013-02-20 | パナソニック株式会社 | Deodorization device |
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| JP3260150B2 (en) * | 1990-11-12 | 2002-02-25 | ザ プラクター アンド ギャムブル カンパニー | Cartridge and electrostatic spray device |
| CN1470291A (en) * | 2002-06-25 | 2004-01-28 | ���µ繤��ʽ���� | Air purifying machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100463727C (en) | 2009-02-25 |
| CN1938103A (en) | 2007-03-28 |
| JP2005296753A (en) | 2005-10-27 |
| JP4625267B2 (en) | 2011-02-02 |
| CN1938104A (en) | 2007-03-28 |
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