JP5314606B2 - Electrostatic atomization method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electrostatic atomizing method used without the need for users to take time and effort for water replenishment or the removal of a deposited material, by which the rapid mist production can be achieved. <P>SOLUTION: The ion mist is produced by cooling a discharge electrode 11 by heat exchange to cool air around the discharge electrode 11 to produce the dew-condensed water on the surface of the discharge electrode 11 and applying high voltage to concentrate the electrical charge to the tip of the discharge electrode 11 on which water is dew-condensed. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to an electrostatic atomization method.

  The electrostatic atomizer includes a discharge electrode, a counter electrode positioned opposite the discharge electrode, and a supply means for supplying water to the discharge electrode, and applies a high voltage between the discharge electrode and the counter electrode. By doing so, the water held by the discharge electrode is atomized to generate a negative ion mist (hereinafter referred to as nano ion mist) having a strong charge in the nano size (see Patent Document 1). The particle size of the nano ion mist is about 3 to several tens of nm, which is smaller than 70 nm, which is the size of the horny cells of the human body. Therefore, exposure of the nano ion mist causes moisture to reach the back of the stratum corneum surface. It is fully replenished and has a high moisturizing effect. Moreover, since other effects, such as a deodorizing effect and the moisture retention effect of hair, are also acquired now, various effects are acquired by preparing for various goods.

However, the conventional electrostatic atomizer as shown in the above-mentioned Patent Document 1 uses, as water supply means, a water tank filled with water and transports the water in the water tank to the discharge electrode by capillary action. Since it has a structure including a water transporting unit, the user needs to continue to replenish water in the water tank, and there is a problem that troublesome water replenishment is required. In the above electrostatic atomizer, when the water to be supplied to the water tank is water containing impurities such as Ca and Mg such as tap water, the impurities react with CO ₂ in the air. As a result, CaCO ₃ , MgO, or the like is deposited on the tip of the water transport unit to prevent the generation of nano ion mist.

In order to solve the above problem, instead of the water tank, a heat exchanging unit that generates water by cooling air is provided, and the water generated in the heat exchanging unit is discharged by the water transport unit. It is conceivable to transport the product to According to the above configuration, it is unnecessary to supply water and impurities are not contained in the obtained water, so that deposition of CaCO ₃ or MgO is prevented. However, in the electrostatic atomizer having the above-described configuration, at least several minutes from when cooling is started in the heat exchange unit to when the generated water is conveyed to the discharge electrode to generate nano ion mist. It takes a certain amount of time, and there is a problem that it is unsuitable for preparing products that are used only for a short time such as a hair dryer.

Japanese Patent No. 3260150

  The present invention has been invented in view of the above problems, and quickly generates a mist that can be used without requiring the user to replenish water or remove deposits. It is an object of the present invention to provide it as something that can be performed.

In order to solve the above-described problems, the present invention is configured to cool the air around the discharge electrode 11 by supplying the external air to the discharge electrode 11 by driving the blower 15 and cooling the discharge electrode 11 by heat exchange. Then, condensed water is generated on the surface of the discharge electrode 11, and in a state where water is condensed on the discharge electrode 11, a high voltage is applied so that charges are concentrated on the tip of the discharge electrode 11 to generate ion mist. The external air supplied to the discharge electrode 11 is an electrostatic atomization method characterized by attracting the generated ion mist to the outside . As described above, since water is directly generated in the discharge electrode 11 portion based on the moisture in the air, there is no need for water replenishment and deposit removal, and the mist is started after use. It takes a short time to generate the error. Also, the structure of the entire apparatus is simplified. It is preferable that the dew condensation water is generated directly at the tip portion 11 a of the discharge electrode 11.

In addition, the present invention supplies the external air to the discharge electrode 11 by driving the air blower 15 and cools the discharge electrode 11 by heat exchange, thereby cooling the air around the discharge electrode 11 and the discharge electrode 11. The surface of the electrode 11 is frozen, and the frozen ice is melted to generate water. With the water held in the discharge electrode 11, a high voltage is applied so that charges are concentrated on the tip of the discharge electrode 11. Thus, the external air that generates ion mist and supplies it to the discharge electrode 11 may be an electrostatic atomization method that further attracts the generated ion mist toward the outside .

  INDUSTRIAL APPLICABILITY The present invention can provide an electrostatic atomization method that can be used without forcing a user to replenish water or remove deposits, as an apparatus that can quickly generate mist. There is an effect.

It is explanatory drawing which shows the cross-sectional shape of the electrostatic atomizer used for the electrostatic atomization method of an example in embodiment of this invention. It is explanatory drawing which shows the other cross-sectional shape of an electrostatic atomizer same as the above. It is explanatory drawing which shows the whole electrostatic atomizer same as the above. It is explanatory drawing which shows the cross-sectional shape of the electrostatic atomizer used for the electrostatic atomization method of the other example in embodiment of this invention. It is a schematic sectional drawing which shows another form of the water retention part of a discharge electrode same as the above, (a) is a form whose axial center part is a water retention part, (b) is a form whose outer surface is a water retention part, (c) is divided into two. In this manner, the gap is used as a water retaining portion. It is a schematic sectional drawing which shows the form which provided the water retention surface in the discharge electrode same as the above, (a) is the form which made the water retention surface flat, (b) is the form which provided the protrusion in the water retention surface of (a), ( c) shows a form in which the water retention surface is formed into a concave curved surface, and (d) shows a form in which protrusions are provided on the water retention surface in (c).

  Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings. 1 to 3 show an electrostatic atomizer used in an electrostatic atomization method as an example in the embodiment of the present invention. The main body case 10 constituting the outer shell of the electrostatic atomizer of this example connects the square cylinder-shaped mist generating case 1 having both ends opened and the square cylinder-shaped air blowing / radiating case 2 having one end opened. It is formed by that. A heat exchange section arrangement port 3 is opened on the connection side of the blower / heat radiation case 2 with the mist generating case 1, and the heat exchange section 4 is fitted in the heat exchange section arrangement port 3. The heat exchanging unit 4 connects the flat cooling unit 6 to the heat absorption side of the Peltier element 5 which is a semiconductor electronic heat exchange element, and connects the fin-shaped heat dissipation unit 7 to the heat dissipation side of the Peltier element 5. Is formed. The heat radiating portion 7 is formed of a material having high thermal conductivity (in this example, aluminum), and the cooling portion 6 is a material having high thermal conductivity and low electrical conductivity (insulating). It was formed by.

  The heat radiating part 7 of the heat exchanging part 4 is located in the air blowing / heat radiating case 2, and the cooling part 6 is located in the mist generating case 1. The discharge electrode 11 is erected on the cooling unit 6 by embedding the base end portion 11b of the discharge electrode 11 in the base portion 6a that is raised. The discharge electrode 11 is a cylindrical member formed using a material having high thermal conductivity and high electrical conductivity (aluminum in this example), and the tip end portion 11a has a sharp conical shape. A ring-shaped counter electrode 13 is positioned at the center portion of the mist discharge port 12 that is opened on the side of the mist generating case 1 facing the tip portion 11 a of the discharge electrode 11. The counter electrode 13 and the discharge electrode 11 are connected via a high voltage application unit 14, and the tip 11 a side of the discharge electrode 11 is a negative electrode between the tip 11 a of the discharge electrode 11 and the counter electrode 13. Thus, a high voltage is applied.

  In the blower / heat radiating case 2, a blower 15 that is a motor fan is arranged so as to face the heat radiating part 7, and by driving the blower 15, from the blower / heat radiating case 2 side to the mist generating case 1 side. An air flow is generated toward the In the air blowing / radiating case 2, a partition wall 16 surrounding the heat radiating unit 7 is extended from the opening edge of the heat exchange unit arrangement port 3 toward the heat radiating unit 7, and is surrounded by the partition wall 16. A heat radiating port 22 in which the internal space where the heat radiating portion 7 is located and the outside of the air blowing / heat radiating case 2 are opened in the side peripheral wall 2a of the air radiating / heat radiating case 2 and in the vicinity of the heat radiating portion 7. Communicating via In addition, a predetermined gap 17 is provided between the side peripheral wall 2 a of the air blowing / heat radiating case 2 and the partition wall 16, and the air gap 17 is formed in the vicinity of the heat exchange portion arrangement port 3 of the air blowing / heat radiating case 2. It communicates with the inside of the mist generating case 1 through the ventilation port 18.

  Reference numeral 19 in the figure denotes a blow control unit 19 that controls the amount of air generated from the blower 15 by controlling the power supply to the blower 15, and 20 in the figure denotes the Peltier element 5. It is a cooling control part which controls the cooling capacity of this Peltier element 5 (namely, heat exchange part 4) by controlling power supply.

  Thus, in the electrostatic atomizer described above, when DC power is supplied to the Peltier element 5 of the heat exchanging unit 4 by the cooling control unit 20, heat transfer occurs in the Peltier element 5 and is connected to the heat absorption side. The discharge electrode 11 is cooled via a certain cooling unit 6, and the air around the discharge electrode 11 is cooled to reach a dew point or lower, so that dew condensation water is generated on the surface of the discharge electrode 11. When high voltage is applied by the high voltage application unit 14 so that the tip 11a side of the discharge electrode 11 becomes a negative electrode and water is condensed in the state where water is condensed particularly on the tip 11a of the discharge electrode 11, the tip 11a. The water (that is, the dew condensation water) held in the tank receives a large amount of energy and repeats Rayleigh splitting to generate a large amount of nano ion mist M. The nano-ion mist M is discharged to the counter electrode 13 side facing the discharge electrode 11 and discharged to the outside of the mist generating case 1 through the mist discharge port 12. In this example, the discharge electrode 11 has the same cross-sectional shape except for the tip end portion 11a. However, the base end portion 11b is formed in a flat plate shape, and the flat portion of the base end portion 11b is used for cooling the heat exchanging portion 4. When arranged so as to be connected to the part 6, the discharge electrode 11 can be more efficiently cooled to generate the nano ion mist M efficiently. Further, the electric field lines can be formed with a high density so that the tip end portion 11a of the discharge electrode 11 is sharply formed, and the discharge efficiency can be increased. The distance between the distal end portion 11a of the discharge electrode 11 and the counter electrode 13 should be set to an appropriate spatial distance so that the lines of electric force are formed at a high density and the nano ion mist M is generated with high efficiency. Is preferred. The material of the mist generating case 1 is preferably an insulating material. However, if a conductive material similar to the counter electrode 13 is used, sufficient air is provided between the discharge electrode 11 and the mist generating case 1. It is necessary to provide an insulation distance.

That is, in the electrostatic atomizer of this example, the discharge electrode 11 is cooled by using the heat exchange unit 4 as supply means for supplying water to the discharge electrode 11, and the discharge electrode 11 portion (particularly, the tip end portion 11a) is formed by condensation. The water generation means for directly generating water is used. By using such means, the user himself does not need to replenish water, and the water generated by condensation has impurities. Since it is not included, deposition of CaCO ₃ or MgO is prevented. In addition, since water is directly generated on the discharge electrode 11, the time from the start of operation (that is, cooling is started by the heat exchanging unit 4) to the generation of the nano ion mist M can be shortened. It is possible to prepare for products used only for time without any problems. In addition, since it is not necessary to provide a member such as a water tank for filling water or a water transport unit for transporting the water in the water tank to the discharge electrode 11, the entire apparatus is made compact.

  In this example, the discharge electrode 11 is configured to be directly connected to the high voltage application unit 14. However, the configuration is not limited to the above configuration. For example, the cooling unit 6 has a high thermal conductivity and a high electrical conductivity like the discharge electrode 11. The cooling unit 6 is connected to the high voltage application unit 14 and a high voltage is applied between the cooling unit 6 and the counter electrode 13 by the high voltage application unit 14. The charge may be concentrated on the distal end portion 11 a of the discharge electrode 11. In the case where the cooling unit 6 and the discharge electrode 11 are formed of the same material such as aluminum, the cooling unit 6 and the discharge electrode 11 may be integrally formed. According to this, the heat conduction loss is small and the structure is compact. There is an advantage that However, when the cooling unit 6 is formed of a material having high thermal conductivity as described above, a material having high thermal conductivity and low electrical conductivity is interposed between the Peltier element 5 and the cooling unit 6. It is preferable.

  Further, in the electrostatic atomizer of this example, as means for generating water in the discharge electrode 11 portion, dew condensation means for directly condensing moisture in the air to the discharge electrode 11 by cooling the discharge electrode 11 is used. When the cooling capacity of the heat exchange unit 4 is too strong, moisture in the air is generated by freezing on the discharge electrode 11 by cooling. In this case, the heat exchanging unit 4 functions as an icing means for icing moisture in the air to the discharge electrode 11 by cooling the discharge electrode 11, but the ice frozen on the discharge electrode 11 is dissolved to generate water. By providing the dissolving means, water can be generated in the discharge electrode 11 without any problem. As the melting means, the heat exchanging unit 4 is also preferably used, and the temperature of the discharge electrode 11 is raised by temporarily lowering or stopping energization to the heat exchanging unit 4 by energization control from the cooling control unit 20. Alternatively, the frozen ice can be melted by heating the discharge electrode 11 by switching the heat absorption side and the heat dissipation side of the heat exchange unit 4 by reversing the polarity.

  Furthermore, in the electrostatic atomizer of this example, when the blower control unit 19 drives the blower 15, an air flow is generated from the blower / heat radiating case 2 side toward the mist generating case 1 as described above. It will be. A plurality of circular inlets 8 are opened on the side peripheral wall 2a of the blower / heat radiating case 2 on the side opposite to the side where the heat radiating part 7 is arranged with the blower 15 interposed therebetween. External air is introduced into the blower / heat radiating case 2, that is, the main body case 1 through the intake port 8 by driving the portion 15, and is sent out toward the heat radiating portion 7. The flow path from the blower 15 includes a heat release flow path R1 that flows into the internal space surrounded by the partition wall 16 and then is discharged to the outside through the heat release port 22 and the blower / heat release case before reaching the heat release section 7. The mist is discharged after passing through the gap 17 between the side peripheral wall 2a of the second wall 2 and the partition wall 16 and flowing into the mist generating case 1 through the vent 18 and passing through the vicinity of the tip 11a of the discharge electrode 11 to be cooled. It branches off to the cooling flow path R2 discharged from the outlet 12 to the outside (see arrows in FIGS. 1 and 2). Here, the air passing through the heat radiating flow path R1 passes through the vicinity of the heat radiating portion 7 in the internal space of the partition wall 16 and is discharged outside, so that the heat radiating performance of the heat exchanging portion 4 is improved. It has become. In addition, the air passing through the cooling flow path R2 continuously supplies external air to the discharge electrode 11 in particular to the tip portion 11a to improve the amount of water generated, and the nano ion mist M generated from the generated water to the outside. Attracting momentum towards.

  That is, the air blower 15 of this example sends out air to each of the heat radiating part 7 side and the discharge electrode 11 side, but as described above, a cooling flow path for supplying external air from the air blower 15 to the discharge electrode 11 By providing a heat dissipation flow path R1 that is a flow path different from R2 and that is discharged from the blower 15 to the heat dissipation section 7 and then discharged to the outside, water is easily generated at the discharge electrode 11. This is because, if the air heated and dried on the side of the heat radiating section 7 is sent to the discharge electrode 11 side and cooled, the relative humidity is difficult to rise, so that it is difficult to produce water. In addition, by forming the external air flow path as a separate flow path so that the discharge electrode 11 is not positioned downstream of the heat radiating portion 7, the relative humidity is likely to increase on the discharge electrode 11 side, and water is likely to be generated. . In addition, if the air that has passed through the discharge electrode 11 is sent to the heat radiating portion 7, the nano ion mist M generated at the discharge electrode 11 adheres to the heat radiating portion 7 and is difficult to be discharged to the outside. There is also an advantage that the discharge efficiency of the nano ion mist M is improved by forming the flow path of the external air as a separate flow path so that the heat radiating portion 7 is not positioned downstream of the discharge electrode 11 as in the example.

  Moreover, in the electrostatic atomizer of this example, the cooling control unit 20 and the air blowing control unit 19 are discharged from the cooling capacity of the heat exchanging unit 4 and the discharge unit 15 based on the water generation state in the discharge electrode 11. 11 is controlled so that the generation of water is suppressed in a state where water is easily generated, and the generation of water is promoted in a state where water is difficult to be generated. Here, the applied current between the discharge electrode 11 and the counter electrode 13 and the temperature and humidity of the external air supplied to the discharge electrode 11 are highly correlated with the water generation state in the discharge electrode 11. Therefore, in this example, as water generation detection means for detecting the generation state of water at the discharge electrode 11, an applied current detection unit 23 that detects an applied current between the discharge electrode 11 and the counter electrode 13, A temperature / humidity sensor 24 that detects at least one of the temperature and humidity of the external air supplied to the discharge electrode 11 is provided. For example, when icing occurs in the discharge electrode 11, the applied current decreases. This is detected by the applied current detection unit 23, and based on the output of the applied current detection unit 23, the cooling control unit 20. However, the cooling capacity of the heat exchanging unit 4 is reduced, or the air blowing control unit 19 increases the amount of air blown from the air blowing unit 15, whereby the temperature of the discharge electrode 11 can be raised and the frozen ice can be melted. In general, when the temperature or humidity of the external air sent to the discharge electrode 11 is low, it is difficult to generate water due to condensation or the like. For example, the temperature / humidity sensor 24 disposed near the inlet 8 in the main body case 1. When the temperature or humidity detected in step S3 is low, the cooling control unit 20 improves the cooling capacity of the heat exchange unit 4 based on the output of the temperature / humidity sensor 24, or the air blow control unit 19 By reducing the amount of blown air, the temperature of the discharge electrode 11 can be lowered to make it easy to generate water by condensation or the like. That is, according to the above configuration, it is possible to stably generate water on the discharge electrode 11 and continuously generate the nano ion mist M regardless of whether or not the environment easily generates water.

In the electrostatic atomizer of this example, about 20 trillion nano ion mists M are attracted to the air sent out by the blower 15 and discharged to the outside in one hour, and in the air for about 20 minutes after the discharge. Therefore, various effects such as high moisturizing effect and deodorizing effect due to exposure of the nano ion mist M can be obtained. In addition, it is guessed that the deodorizing effect here is because the radical enclosed in nano ion mist M decompose | disassembles various odor components like following reaction formula, for example.
Ammonia: 2NH ₃ + 6 · OH → N ₂ + 6H ₂ O
Acetaldehyde: CH ₃ CHO + 6 · OH + O ₂ → 2CO ₂ + 5H ₂ O
Acetic acid: CH ₃ COOH + 4 · OH + O ₂ → 2CO ₂ + 4H ₂ O
Methane gas: CH + 4 · OH + O ₂ → CO ₂ + H ₂ O
Carbon monoxide: CO + 2 · OH → CO ₂ + H ₂ O
Nitric oxide: 2NO + 4 · OH → N ₂ + 2CO ₂ + 2H ₂ O
Formaldehyde: HCHO + 4 · OH → CO ₂ + 3H ₂ O
That is, the electrostatic atomizer of this example has a high moisturizing effect and a deodorizing effect, and does not require the need for water replenishment or removal of deposits. Since it takes only a short time to generate odor and is formed compactly as a whole, it can be used for humidifiers, esthetic steamers, air purifiers, etc. Or, it can be added to products that are used only for a short time, such as a hand-held electric appliance such as a hair dryer or a hair quality improvement appliance, without problems, and can provide added value.

  Next, although the electrostatic atomizer used for the electrostatic atomization method of the other example in embodiment of this invention is demonstrated, while omitting description about the structure similar to an example, it is different from an example. Only the configuration is described below. As shown in FIG. 4, the electrostatic atomizer of this example is provided with a water retaining portion 25 that can retain excess water over a long period of time by capillarity on the discharge electrode 11. It is. The water retaining portion 25 is composed of a metal mesh portion 26 that forms the outer peripheral portion of the discharge electrode 11 having a columnar shape. The discharge electrode 11 includes the metal mesh portion 26 at the outer peripheral portion and the discharge electrode main body portion 27 at the axial center portion. And a two-layer structure. In addition, a felt part 28 that is a water retaining part 25 that can hold water by capillarity is arranged around the base end part 11b of the discharge electrode 11 in the main body case 1, and the metal mesh part 26 and the felt are provided. The portion 28 is connected so that water flows between each other via a water guide portion 28a projecting from the felt portion 28 side.

  With the above configuration, in the electrostatic atomizer of the present example, when a large amount of water is generated in the discharge electrode 11 due to condensation or the like, a surplus of water constitutes the outer peripheral portion of the discharge electrode 11. In the case where the excess amount of water stored in the portion 26 is larger, the water is sent to the felt portion 28 via the water guide portion 28a and stored, so that the amount of water discharged is larger than the amount of water atomized at the tip portion 11a of the discharge electrode 11. When the amount of water generated in the electrode 11 portion is larger, the surplus is stored in the water retaining portion 25 including the metal mesh portion 26 and the felt portion 28, and the amount of water atomized at the tip portion 11a of the discharge electrode 11 When the amount of water produced in the discharge electrode 11 is smaller than that, the water stored in the water retention part 25 can be supplied to the tip part 11 a of the discharge electrode 11. In addition, there is an advantage that the excess water is prevented from flowing into other members such as the Peltier element 5 to cause a short circuit. In addition, in this example, since the metal mesh portion 26 that is the water retaining portion 25 constitutes the outer peripheral portion of the discharge electrode 11, water is also directly generated in the metal mesh portion 26 due to condensation or the like. There is an advantage that water is efficiently generated and held, and since the discharge electrode main body 27 constitutes an axial center portion, there is an advantage that the tip portion 11a is easily cooled.

  Moreover, the electrostatic atomizer of the present example has a configuration in which a plurality of discharge electrodes 11 are erected on one cooling unit 6, and a large amount of nano ion mist M can be generated by the above simple configuration. Yes.

  In FIG. 5, another form of the water retention part 25 formed in a part of the discharge electrode 11 is shown. In FIG. 5 (a), the axial center portion of the cylindrical discharge electrode 11 is a water retaining portion 25 made of a material capable of causing capillary action such as porous ceramics, and the outer peripheral portion has thermal conductivity and electrical conductivity. The thing of the two-layer structure which is the discharge electrode main-body part 27 which consists of a high metal material etc. is shown. Further, in FIG. 5 (b), the outer surface portion 29 of the cylindrical discharge electrode 11 is provided with an uneven shape capable of causing a capillary phenomenon by forming a groove by etching or the like, and this outer surface portion 29 is provided as a water retaining portion. In FIG. 5C, the discharge electrode 11 having a cylindrical shape is divided into two along the axial direction, and a gap 30 that can cause capillary action is formed on both halves. It is the structure which faced through, and this gap 30 serves as water retention part 25.

  5 (a) to 5 (c), only a part of the discharge electrode 11 is used as a water retaining part 25 capable of causing capillary action, and a part other than the water retaining part 25 is in a bulk shape (that is, a gap is clogged). State), heat and electricity are transmitted with high efficiency at portions other than the water retention unit 25 to generate the nano ion mist M, and the water retention unit 25 retains excess water as described above. Can be kept. In the structure of FIG. 5A, it is preferable that only the water retaining portion 25 is treated to be hydrophilic and the surface of the other portion is treated to be water repellent. Further, as another means for forming the water retaining portion 25 on the outer surface portion 29 of the discharge electrode 11 as in the structure of FIG. 5B, the outer surface portion 29 is subjected to plasma treatment or alumite treatment to impart hydrophilicity. It is also preferable to apply a hydrophilicity imparting material to the outer surface portion 29. Further, in the structure shown in FIG. 5C, the discharge electrode 11 may not be divided into two parts like a fountain pen, and is divided into three or more parts along the axial direction, and each divided part is a capillary tube. Any structure may be used as long as it is associated with the gap 30 that may cause a phenomenon.

  FIG. 6 shows another embodiment of the discharge electrode 11 in which a water retaining surface 31 for holding water generated by condensation or the like by surface tension is formed on the tip portion 11a forming the conical shape of the discharge electrode 11. ing. 6 (a) and 6 (b) have a structure in which the water retaining surface 31 is provided flat, and those shown in FIGS. 6 (c) and 6 (d) have a structure in which the water retaining surface 31 is provided in a concave curved surface shape. However, in any structure, the water generated in the discharge electrode 11 portion is stored on the water retaining surface 31, so that the atomization occurs continuously and stably. Moreover, the amount of atomization will also increase. 6 (b) and 6 (d) each have a structure in which one or more (one in this example) needle-like protrusions 32 are provided on the water retention surface 31, but by providing the protrusions 32, the structure shown in FIGS. The amount of atomization can be increased by concentrating charges on the protrusion 32 portion.

4 Heat Exchanger 6 Cooling Unit 7 Heat Dissipating Unit 11 Discharge Electrode 13 Counter Electrode 14 High Voltage Application Unit 15 Blower Unit 19 Blower Control Unit 20 Cooling Control Unit 23 Applied Current Detection Unit 24 Temperature / Humidity Sensor 25 Water Retention Unit R1 Heat Dissipation Channel R2 Cooling Channel M Nano ion mist

Claims (3)

External air is supplied to the discharge electrode by driving the air blower, and the discharge electrode is cooled by heat exchange, thereby cooling the air around the discharge electrode and generating condensed water on the surface of the discharge electrode. With water condensing on the electrode, high voltage is applied to concentrate the charge at the tip of the discharge electrode to generate ion mist, and the external air supplied to the discharge electrode further removes the generated ion mist to the outside. An electrostatic atomization method characterized by attracting toward the surface.   2. The electrostatic atomization method according to claim 1, wherein condensed water is directly generated at a tip portion of the discharge electrode. External air is supplied to the discharge electrode by driving the air blowing unit, and the discharge electrode is cooled by heat exchange, thereby cooling the air around the discharge electrode to cause icing on the surface of the discharge electrode, and freezing Ice was dissolved to produce water, and with the water held in the discharge electrode, a high voltage was applied so that the electric charge was concentrated on the tip of the discharge electrode, and ion mist was generated and supplied to the discharge electrode. The external atomizing method further comprises attracting the generated ion mist to the outside .

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