JP4645121B2 - Electrostatic atomizer - Google Patents

Description

  The present invention relates to an electrostatic atomizer that generates fine mist by applying static electricity to a liquid.

  Conventionally, as an atomizer that generates mist, there is an electrostatic atomizer as disclosed in Patent Document 1. This is a water tank that is a storage part for storing water that is the liquid to be atomized, a water absorber that sucks up the water in this water tank by capillary action and leads it to the needle-like atomization part at the tip, and a water absorber The water-absorbent needle is a discharge point between the counter electrode and the counter electrode facing the needle-shaped atomizing portion, and a high-voltage generating circuit that applies a voltage to the water in the water tank via the application electrode. Mist is generated by causing Rayleigh splitting in the water present in the atomized portion and atomizing it.

Moreover, in said patent document 1, although the capillary structure like a water absorption body is used as a conveyance body for conveying a liquid to an atomization part, what comprises a ceramic porous body as this conveyance body is also provided. Has been.
Japanese Patent No. 3260150

  By the way, when a carrier porous body 1 'formed of a ceramic porous body in a cylindrical shape as shown in FIG. 23 is used, the liquid to be atomized by the capillary phenomenon generated in the ceramic porous body from one end side. It conveys to the other end side. FIG. 24 is a cross-sectional view of a ceramic porous body. 1a ′ is a ceramic particle, and 1b ′ is a capillary through which a liquid passes by capillary action. However, the capillary 1b 'in the ceramic porous body formed of the ceramic particles 1a' becomes a meandering flow path, so that the pipe loss is large, and the capillary 1b 'continues from one end side to the other end side of the carrier 1'. Therefore, a certain amount of time is required to transport the liquid in the storage section to the atomizing section of the transport body. Therefore, for example, when it is necessary to supply a new liquid to the storage unit every time it is used, it takes time until mist is generated, which is difficult for the user to use.

  In addition, if the needle-shaped atomizing section is composed of the same capillary structure as the carrier 1 ', the liquid exists in the needle-shaped atomizing section only in the same shape and size as the hole diameter of the capillary structure. For this reason, it has been difficult to supply a large amount of liquid to the needle-like atomization section. Therefore, in this case as well, it has been necessary to transport and supply a large amount of liquid to the needle-shaped atomization unit as much as possible.

  The present invention has been invented in view of the above-described conventional problems, and by rapidly transporting the liquid to be atomized in the transport body, the liquid supply to the atomizing unit is accelerated and the amount of liquid supplied In addition, the electrostatic atomizer capable of generating mist quickly even when it is necessary to supply the liquid to be newly atomized to the storage unit every time it is used. It is to be an issue.

The electrostatic atomizer of claim 1 of the present invention to solve the above problems, a liquid supply means for supplying liquid for atomization, the application electrode for applying a voltage to the liquid, one longitudinal end the liquid supply means the liquid has an atomizing area on the tip of the distal end portion to be tapered is formed on the other longitudinal end side together with the base end side which is the side to contact the liquid present in the liquid supply means a conveying member for conveying the atomization unit from, a counter electrode facing the atomization unit of the carrier, the static liquid in which the carrier is sucked up from the liquid supply means atomization portion of the carrier an electrostatic atomizer for atomizing, the carrier will be juxtaposed to the flat faces of the bar-like member having a longitudinal direction substantially parallel to the flat surface of the carrier is opposed via a gap in is formed, the with establishing communication the gap between the flat surface to the tip from a proximal end of said carrier Is opened in the direction perpendicular to the longitudinal direction of both sides to the conveying member in the longitudinal direction of the Okukarada, characterized in that the gap has a conveying passage of the liquid. According to such a configuration, the gap serving as the conveyance channel passes from one end of the conveyance body to the other end, and the liquid rises by capillary action along the gap, so that the tip atomization is faster than the conventional one. The amount of liquid transported as it reaches the part also increases. Therefore, it is possible to atomize the liquid to be atomized in a relatively early time even after the liquid to be atomized is put into the liquid supply means.

According to a second aspect of the present invention, there is provided an electrostatic atomizer comprising: a liquid supply means for supplying a liquid for atomization; an application electrode for applying a voltage to the liquid; An atomizing section, a transport body for transporting the liquid from the liquid supply means to the atomization section, and a counter electrode facing the atomization section of the transport body, the transport body from the liquid supply means An electrostatic atomization device that electrostatically atomizes the sucked-up liquid at an atomization section of the transport body, wherein the transport body is a rod-shaped member having a flat surface substantially parallel to the longitudinal direction of the transport body. In a cross-section in a direction orthogonal to the direction of transporting the liquid of the transport body , the gap between the flat surfaces is formed by arranging them side by side so as to face each other with a gap therebetween as the liquid transport channel . tilting the flat surface as the gap between the flat surface becomes narrower as towards the center of the cross section Characterized in that is.

According to a third aspect of the present invention, there is provided an electrostatic atomizer comprising: a liquid supply means for supplying a liquid for atomization; an application electrode for applying a voltage to the liquid; An atomizing section, a transport body for transporting the liquid from the liquid supply means to the atomization section, and a counter electrode facing the atomization section of the transport body, the transport body from the liquid supply means An electrostatic atomization device that electrostatically atomizes the sucked-up liquid at an atomization section of the transport body, wherein the transport body is a rod-shaped member having a flat surface substantially parallel to the longitudinal direction of the transport body. In a cross-section in a direction parallel to the direction of transporting the liquid of the transport body , the gap between the flat surfaces is formed by arranging them side by side so as to face each other with a gap therebetween as the liquid transport channel . tilting said flat surface so that a gap between the flat surface becomes narrower as towards the atomizing part of the tip Characterized in that is.

According to a fourth aspect of the present invention, there is provided an electrostatic atomizer comprising: a liquid supply means for supplying a liquid for atomization; an application electrode for applying a voltage to the liquid; An atomizing section, a transport body for transporting the liquid from the liquid supply means to the atomization section, and a counter electrode facing the atomization section of the transport body, the transport body from the liquid supply means An electrostatic atomization device that electrostatically atomizes the sucked-up liquid at an atomization section of the transport body, wherein the transport body is a rod-shaped member having a flat surface substantially parallel to the longitudinal direction of the transport body. The gaps between the flat surfaces are formed so as to be opposed to each other with a gap between them, and the liquid transport channel is used as the liquid transport channel, and the plurality of rod- like members arranged in parallel are connected to the tips of the plurality of rod-like members. be characterized in that the envelope is arranged such that the most convex curve the tip of the rod-shaped member in the vicinity of the center .

According to a fifth aspect of the present invention, there is provided an electrostatic atomizer comprising: a liquid supply means for supplying a liquid for atomization; an application electrode for applying a voltage to the liquid; An atomizing section, a transport body for transporting the liquid from the liquid supply means to the atomization section, and a counter electrode facing the atomization section of the transport body, the transport body from the liquid supply means An electrostatic atomization device that electrostatically atomizes the sucked-up liquid at an atomization section of the transport body, wherein the transport body is a rod-shaped member having a flat surface substantially parallel to the longitudinal direction of the transport body. The gaps between the flat surfaces are formed so as to be opposed to each other with a gap between them, and the liquid transport channel is used as the liquid transport channel, and the plurality of rod- like members arranged in parallel are connected to the tips of the plurality of rod-like members. while the envelope is arranged such that the most convex curve the tip of the rod-shaped member in the vicinity of the center, near the center Characterized in that to allow a depression in the center of definitive.

According to a sixth aspect of the present invention, there is provided an electrostatic atomizer comprising: a liquid supply means for supplying a liquid for atomization; an application electrode for applying a voltage to the liquid; An atomizing section, a transport body for transporting the liquid from the liquid supply means to the atomization section, and a counter electrode facing the atomization section of the transport body, the transport body from the liquid supply means An electrostatic atomization device that electrostatically atomizes the sucked-up liquid at an atomization section of the transport body, wherein the transport body is a rod-shaped member having a flat surface substantially parallel to the longitudinal direction of the transport body. each other and the transport passage of the liquid the gap between the flat surface is formed by juxtaposed to face each other with a gap, a plurality of the conveyance passage, the liquid from the conveying passage adjacent It has the flow path which flows in .

According to a seventh aspect of the present invention, there is provided an electrostatic atomizer comprising: a liquid supply means for supplying a liquid for atomization; an application electrode for applying a voltage to the liquid; An atomizing section, a transport body for transporting the liquid from the liquid supply means to the atomization section, and a counter electrode facing the atomization section of the transport body, the transport body from the liquid supply means An electrostatic atomization device that electrostatically atomizes the sucked-up liquid at an atomization section of the transport body, wherein the transport body is a rod-shaped member having a flat surface substantially parallel to the longitudinal direction of the transport body. Bars formed in parallel so that they are opposed to each other through a gap, and the gap between the flat surfaces is used as the liquid transport flow path, and the rod-shaped members arranged in parallel so that the flat surfaces are opposed to each other, It has a force that works in the direction of leaving, and the rod is not to spread in the direction of leaving. The support for supporting the is characterized in that to keep a constant distance between the bar-shaped member that is said juxtaposed.

According to the configuration of the second to seventh aspects, the gap serving as the conveyance channel communicates from one end to the other end of the conveyance body, and the liquid rises by capillary action along the gap, so that the tip is quicker than the conventional one. The amount of liquid that is transported increases as it reaches the atomization section. Therefore, it is possible to atomize the liquid to be atomized in a relatively early time even after the liquid to be atomized is put into the liquid supply means.

In addition, in Claims 2 and 3, the unreached distance (distance that does not reach) to the atomizing section is shortened, and the liquid can be easily supplied to the atomizing section. According to a fourth aspect of the present invention, when a high voltage is applied between the counter electrode and the counter electrode, the liquid is pulled up by static electricity and supplied from a plurality of transport paths so as to collect in the central atomizing section, and the liquid is smoothly supplied to the atomizing section. To be supplied. In claim 5, when a high voltage is applied between the counter electrode, the liquid is pulled up by static electricity and is supplied from a plurality of transport passages so as to gather in the central atomizing section, and further, in the depression of the atomizing section. Liquid droplets are accumulated in the size of the depression, and the liquid is smoothly supplied to the atomization section. According to the sixth aspect of the present invention, the liquid flows from the plurality of transport channels to the central transport channel so that the liquid can be smoothly supplied to the central atomizing section and the supply amount of the liquid can be increased. According to the seventh aspect of the present invention, it is possible to form a transport body with little variation in the dimensional accuracy of the transport channel.

  An electrostatic atomizing apparatus according to an eighth aspect of the present invention is the electrostatic atomizing device according to any one of the first to third aspects, wherein a concave portion in which liquid is accumulated is provided in an atomizing portion at a tip of the conveying body, and the concave portion and the conveying body. It is characterized by communicating with the gap. In this case, when a high voltage is applied between the counter electrode and the counter electrode, the liquid is pulled up by static electricity, and droplets are accumulated in the concave portion of the atomizing portion in the size of the concave portion, so that the liquid is smoothly supplied to the atomizing portion.

  The electrostatic atomizer according to claim 9 of the present invention is characterized in that, in claim 4, the rod-shaped material is a conductor, and at least the surface of the atomizing portion at the tip in the transport direction is an insulator. To do. In this case, discharge is generated from the liquid in the atomizing section, and the atomization can be smoothly performed.

  In the present invention, as described above, the gap serving as the conveyance channel passes from one end of the conveyance body to the other end, and the liquid rises by capillary action along the gap, so that the atomizing portion at the tip is quicker than the conventional one. As a result, the amount of the liquid to be conveyed increases and the amount of the liquid to be transported increases, so that it is possible to atomize the liquid to be atomized in a relatively early time even after the liquid to be atomized is placed in the liquid supply means.

  Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings. First, an example of the first embodiment of the present invention will be described with reference to FIGS. FIG. 1 shows the overall structure of an electrostatic atomizer, which includes a liquid reservoir 2 as a liquid supply means provided in a lower part, and a casing 4 having a cylindrical shape and a vent hole 3 opened on a peripheral surface. The counter electrode 5 disposed on the upper portion of the housing portion 4, the application electrode 6 that is fitted in the lower portion of the housing portion 4 to apply voltage to the liquid L, and is held by the application electrode 6. A plurality of transport bodies 1 are included. The liquid reservoir 2 is supplied with a liquid L for electrostatic atomization. The transport body 1 is in contact with the liquid L in the liquid reservoir 2 and, as will be described later, the atomizing section 7 at the tip of the transport body 1 by a capillary phenomenon through the transport flow path of the gap 12 between the opposing flat surfaces 9. To supply liquid. A high voltage can be applied from the voltage application unit 8 between the application electrode 6 and the counter electrode 5. Then, by applying a voltage from the voltage application unit 8, the liquid L existing in the atomization unit 7 is caused to discharge by discharging between the atomization unit 7 at the tip of the carrier 1 and the counter electrode 5, thereby causing the liquid to break. L is electrostatically atomized to generate mist of the liquid L.

The voltage application unit 8 that applies a high voltage between the counter electrode 5 and the application electrode 6 is preferably one that can provide an electric field strength of 500 V / mm or more. Further, as means for supplying the liquid L to the liquid reservoir 2 as the liquid supply means, for example, a method of directly injecting the liquid L into the liquid reservoir 2, a method of flowing in through a felt or the like having a liquid supply action, and a method for flowing the condensed water of moisture was more by condensation to be cooled in the atmosphere. The liquid L to be used is water such as tap water, ground water, electrolyzed water, pH-adjusted water, mineral water, useful ingredients such as vitamin C and amino acids, liquids containing aroma oil, fragrance, deodorant, etc. is assumed.

  The counter electrode 5 and the application electrode 6 are both conductive by being formed of a synthetic resin mixed with a conductive material such as carbon or a metal such as stainless steel. The material of the carrier 1 may be a conductive metal or a material that does not easily flow electricity, such as ceramic or glass, as long as it is a medium-density material. For example, there are metals, such as stainless steel, which have excellent corrosion resistance, wear resistance, and chemical resistance, and titanium coated with platinum.

  Moreover, in order to discharge between the opposing electrodes 5, the atomization part 7 of the front-end | tip of the conveyance body 1 is sharpened as shown in the figure, for example, the angle is 30-45 degrees. If the discharge is concentrated, the tip diameter should be narrow. A plurality of the transport bodies 1, in the illustrated example, six transport bodies 1 are attached to the application electrode 6, the upper part projects upward from the application electrode 6, and the lower part projects downward and the liquid reservoir 2. It is in contact with the liquid L inside.

  FIG. 24 shows a cross-sectional view when the conventional carrier 1 ′ is made of porous ceramics. The particle diameter of the ceramic particles 1a ′ is 2 to 500 μm, and the diameter of the capillary 1b ′ is 1 to 250 μm. Is desirable from the viewpoint of strength and liquid transportability. However, since the porous ceramic is composed of ceramic particles 1a 'and capillaries 1b' which are crushed together, the hole as the flow path of the carrier 1 'leads from the base end side opposite to the tip of the carrier 1' to the tip. However, even if it is communicated, there is a problem that the pipe resistance of this flow path is large, and it takes time for the liquid L to reach the tip of the carrier 1 '.

  Therefore, in the present invention, the transport body 1 has a rod-like material 11 having a flat surface 9 substantially parallel to the longitudinal direction of the transport body 1 as shown in FIGS. It is made by arranging them side by side. In other words, the transport body 1 is substantially cylindrical and is formed in a conical shape with a sharp tip, but the transport body 1 is divided into a plurality of parts on a plane passing through a center line parallel to the longitudinal direction of the transport body 1. A plurality of rod-shaped members 11 are arranged side by side, the flat surfaces 9 of the rod-shaped members 11 are opposed to each other via a gap 12, and this gap 12 is used as a conveyance channel. By doing so, the gap 12 communicates from the proximal end to the distal end of the carrier 1, and the liquid L rises by capillary action along the gap 12, so that the liquid L is faster than the conventional one. The amount of the liquid L that is transported as it reaches the leading end of the liquid also increases. Therefore, it is possible to atomize the liquid L to be atomized in a relatively early time even after the liquid L to be atomized is placed in the liquid reservoir 2. Further, the tip arrival time can be controlled by adjusting the gap 12.

  Here, when the vertical direction in which the front end of the transport body 1 faces upwards, the clearance 12 between the flat surface 9 and the flat surface 9 is, for example, 0.01 to 0.2 mm, and the transport is 10 to 30 mm. If it is the height of the body 1, when the liquid L is water, it reaches the tip in several seconds to several tens of seconds. In the case of liquids other than water, the suction speed varies depending on the viscosity according to the basic equation of the capillary phenomenon, but the arrival time at the tip can be controlled by adjusting the gap 12.

  In a hand-held type electric device that is used by hand, the electrostatic atomizing device can be used in any direction at 360 °, so the direction in which gravity acts is not constant. Therefore, when the transport body 1 is used in a direction other than the vertical direction in which the front end is directed upward or the vertical direction in which the front end is directed downward (that is, whether it is sideways or oblique), the gap 12 is formed so as not to be affected by gravity. It is preferable to divide the angle equally into a plurality (three or more). For example, as shown in FIG. 3, the angle between the gap 12 and the gap 12 is 120 degrees and is divided into three parts, and as shown in FIG. 4, the gap 12 and the gap 12 is 90 degrees and is divided into four parts. However, it is not limited to these (any number of divisions may be used). Further, in this way, not only can it be prevented from being affected by gravity, but also the amount of liquid L supplied to the tip can be increased.

  Next, another embodiment of the present invention will be described with reference to FIGS. In this example, the atomizing portion 7 at the tip of the transport body 1 is provided with a recess 13 at the center in a cross section perpendicular to the liquid transport direction, and the gap 12 is communicated with the recess 13.

  Here, the height of the conveyance body 1 is 10 to 30 mm, the outer diameter of the conveyance body 1 other than the pointed portion is 2 to 8 mm, and the diameter of the conveyance body 1 is 0.2 to 0. When the gap 1 between the flat surfaces 9 is 5 mm and the gap 12 between the flat surfaces 9 is 0.01 to 0.2 mm and the transport body 1 is oriented in the vertical direction so that the tip is up, the liquid L is as shown in FIG. As shown to (a), it is sucked up in several seconds-dozens of seconds until it is just below the lowermost surface of the recessed part 13 of the front-end | tip part of the conveyance body 1. FIG. However, the liquid L that has risen in the gap 12 of the carrier 1 by capillary action does not rise to the tip of the carrier 1 as shown in FIG. Therefore, for example, by applying a high voltage of 500 V / mm or more between the counter electrode 5 by setting the depth of the recess 13 to 0.01 to 0.1 mm and the diameter of the recess 13 to 0.1 to 0.4 mm, As shown in FIG. 6B, when the liquid L is pulled up from the bottom surface of the concave portion 13 by the electrostatic force as indicated by the arrow a, the liquid droplets are accumulated in the concave portion 13 at the tip portion, and a higher voltage is applied. Atomization starts as shown by arrow b in FIG. If the carrier 1 is a conductor, it is desirable that the cross section has an arc shape as shown in the figure so as not to cause concentrated discharge near the counter electrode 5.

  As described above, in this example, when a high voltage is applied between the counter electrode 5 and the counter electrode 5, the electrostatic force pulls up from the bottom surface of the concave portion 13, and droplets are accumulated in the size of the concave portion 13 at the tip. Thereby, the liquid L is smoothly supplied to the atomization part 7. FIG. At this time, the liquid droplets collected at the tip can be controlled by the diameter and depth of the recess 13. When a higher voltage is applied, atomization starts and the electrostatic atomization is smooth.

  Next, another embodiment of the present invention will be described with reference to FIG. In the case of this example, in the cross section perpendicular to the transport direction of the liquid L of the transport body 1, the gap 12 is inclined so as to decrease toward the center of the cross section. For example, the outermost clearance 12 of the carrier 1 is 0.1 to 0.2 mm, narrowing toward the center, and the clearance 12 near the center is 0.1 to 0.01 mm. Capillary phenomenon is that the larger the gap 12 is, the higher the sucking height and speed are, but the unreachable distance (distance that does not reach) becomes longer. Becomes shorter, and the supply of the liquid to the atomizing section 7 is facilitated. Further, when the carrier 1 is a conductor, it is desirable that the cross section has an arc shape as shown in the drawing so as not to cause concentrated discharge near the counter electrode 5.

  Next, another embodiment of the present invention will be described with reference to FIG. In the case of this example, in the cross section parallel to the conveyance direction of the conveyance body 1, the gap 12 is inclined so as to become narrower toward the atomizing portion 7 at the tip. For example, the gap 12 at the base end of the carrier 1 is 0.1 to 0.2 mm, and becomes narrower toward the tip, and the gap 12 near the tip is 0.1 to 0.01 mm. As for the capillary phenomenon, as the gap 12 is larger, the sucking height and sucking speed are faster, but the unreachable distance becomes longer. Supply of the liquid L to the atomization part 7 becomes easy. When the carrier 1 is a conductor, it is desirable that the cross section has an arc shape so as not to cause concentrated discharge near the counter electrode 5.

  Next, examples of other embodiments of the present invention will be described with reference to FIGS. In the case of this example, the envelope A connecting the tips of the plurality of rod-shaped members 11 arranged side by side is the plurality of rod-shaped materials 11 so that the tip of the rod-shaped material 11 near the center of the plurality of rod-shaped materials 11 is the most convex curve. The structure is arranged.

  The plurality of rod-shaped members 11 are, for example, stainless steel plates having a thickness of 0.05 to 0.20 mm and have a shape with sharp tips as shown in the figure. In addition, the tip angle α of the rod-shaped member 11 made of this plate material is 30 to 40 °. The rod-shaped material 11 made of this plate material is arranged with a constant gap 12 of about 0.01 to 0.2 mm and shifted so that the tip angle β of the envelope A connecting the tips becomes 30 to 45 °. . Further, when the rod-shaped material 11 is a conductor, it is impossible to provide an edge at a portion facing the counter electrode 5. In the figure, the part indicated by reference numeral B is rounded so that there is no edge at the part where the edge is not possible.

  The plurality of gaps 12 formed between the plurality of rod-like members 11 can independently transport the liquid L by capillary action, and have a distance that does not reach the tip as shown in FIG. When a high voltage is applied to the counter electrode 5, the liquid L in the gap 12 in the bar-shaped material 11 near the center is pulled up by an electrostatic force as indicated by an arrow a in FIG. Then, the liquid L is supplied to the rod-like material 11 at the center. When a higher voltage is applied, atomization starts from the upper surface of the central bar 11 as indicated by the arrow b in FIG. In the above example, the tip is “up”, but the present invention is not limited to this. For example, the tip may be directed horizontally or downward. Moreover, as shown in FIG. 11, even if there is no bar-like material 11 in the center, if there is a gap 12 between the bar-like materials 11 in the center, when a high voltage is applied, the upper surface of the liquid L in the central gap 12 is indicated by an arrow b. Atomization begins. As a result, the liquid L reaches the tip portion earlier than the conventional one, and the amount of the liquid L to be transported increases, so that the atomized liquid is atomized in a relatively early time even after being put into the liquid reservoir 2. Is possible. Further, the tip arrival time can be controlled by adjusting the gap 12.

  Next, another embodiment of the present invention will be described with reference to FIGS. In the case of this example, the envelope A connecting the tips of the plurality of rod-shaped members 11 arranged side by side is the plurality of rod-shaped materials 11 so that the tip of the rod-shaped material 11 near the center of the plurality of rod-shaped materials 11 is the most convex curve. The recess 14 is formed in the center near the center while having the arranged structure.

  The plurality of rod-shaped members 11 are, for example, stainless steel plates having a thickness of 0.05 to 0.20 mm and have a shape with sharp tips as shown in the figure. In addition, the tip angle α of the rod-shaped member 11 made of this plate material is 30 to 40 °. The rod-shaped material 11 made of this plate material is arranged with a certain gap 12 of about 0.01 to 0.2 mm and shifted so that the tip angle β of the envelope A connecting the tips becomes 30 to 45 °. The depression 14 is formed by lowering only the central part by 0.01 to 0.1 mm. Also in this case, when the rod-shaped material 11 is a conductor, it is impossible to provide an edge at a portion facing the counter electrode 5. In the figure, the part indicated by reference numeral B is rounded so that there is no edge at the part where the edge is not possible.

  The gaps 12 formed between the plurality of rod-like members 11 can each independently transport the liquid L by capillary action, and have a distance that does not reach the tip as shown in FIG. When a high voltage is applied to the counter electrode 5, the liquid L in the gap 12 in the bar-shaped material 11 near the center is pulled up by an electrostatic force as indicated by an arrow a in FIG. Then, the liquid L is supplied to the rod-like material 11 at the center. At this time, in the central portion, it is pulled up from the bottom surface of the recess 14 by electrostatic force, and a liquid droplet is accumulated in the central recess 14 near the center. When a higher voltage is applied, atomization starts from the upper surface of the central bar 11 as indicated by the arrow b in FIG. At this time, the droplet accumulated at the tip can be controlled by the size of the recess 14. As a result of the above, the liquid L reaches the tip portion earlier than the conventional one and the amount of the liquid L to be transported also increases. It is possible to Further, the tip arrival time can be controlled by adjusting the gap 12. Furthermore, the size of the atomized droplet can be controlled by the size of the central depression 14. Further, as shown in FIG. 14, even if there is no bar-like material 11 in the center, if there is a gap 12 between the bar-like materials 11 in the center, when a high voltage is applied, the upper surface of the liquid L in the central gap 12 is indicated by an arrow b. Atomization begins.

  Next, another embodiment of the present invention will be described with reference to FIG. In the case of this example, the rod-shaped material 11 is a conductor, and the surface of the atomizing portion 7 at least at the tip in the transport direction is an insulator 15.

  The plurality of rod-shaped members 11 are, for example, stainless steel plates having a thickness of 0.05 to 0.20 mm and have a shape with sharp tips as shown in the figure. In addition, the tip angle α of the rod-shaped member 11 made of this plate material is 30 to 40 °. The rod-shaped material 11 made of this plate material is arranged with a constant gap 12 of about 0.01 to 0.2 mm and shifted so that the tip angle β of the envelope A connecting the tips becomes 30 to 45 °. .

  When the rod-shaped material 11 is a conductor, when a high voltage is applied, if there is an edge, discharge occurs from a portion close to the counter electrode 5. When the edge of the rod-shaped material 11 cannot be removed, all the rod-shaped material 11 in the area closest to the counter electrode 5 (electric field space in the drawing) is insulated so that even if there is an edge, there is no concentrated discharge there. A discharge is generated from the liquid L, which is a conductive material in the electric field space, and can be atomized. By doing in this way, the stable atomization is attained by discharging directly from the liquid L.

  Next, another embodiment of the present invention will be described with reference to FIGS. In the case of this example, it has a some conveyance path by the clearance gap 12 between the some rod-shaped material 11, and has a flow path so that the liquid L may flow from an adjacent conveyance path.

  The plurality of rod-shaped members 11 are, for example, stainless steel plates having a thickness of 0.05 to 0.20 mm and have a shape with sharp tips as shown in the figure. In addition, the tip angle α of the rod-shaped member 11 made of this plate material is 30 to 40 °. The rod-shaped material 11 made of this plate material is arranged with a constant gap 12 of about 0.01 to 0.2 mm and shifted so that the tip angle β of the envelope A connecting the tips becomes 30 to 45 °. . Also in this case, when the rod-shaped material 11 is a conductor, it is impossible to provide an edge at a portion facing the counter electrode 5. A hole 22 is bored in the rod-shaped material 11 so as to communicate the conveyance channel formed by the gap 12, and the adjacent conveyance channel is communicated by the hole 22.

  When a high voltage is applied to the counter electrode 5, the liquid L in the gap 12 between the rod-shaped members 11 near the center is pulled up by an electrostatic force as indicated by an arrow a in FIG. 17A, and a higher voltage is applied. Sometimes atomization starts as shown by the arrow b in FIG. At this time, the liquid L that has normally risen by the capillary phenomenon in the gap 12 as the transport channel is atomized from the central liquid L in the vicinity of the center by the atomization section 7 at the tip of the transport body 1, A hole 22 is formed as a flow path so that the liquid L flows from the adjacent transport flow path as shown by an arrow c, although it is pulled up by a capillary phenomenon from the central transport flow path near the center for replenishing the lost liquid L. By increasing the amount of liquid supply in the central portion in the vicinity of the center and supplying the liquid L to be atomized next even when atomized, the liquid can be efficiently atomized. In this case, if there is no bar-like material 11 in the center and the gap 12 between the bar-like materials 11 is in the center, atomization starts from the upper surface of the liquid L in the central gap 12 when a high voltage is applied.

  Next, when assembling the transport body 1 by arranging the rod-shaped members 11 made of a plurality of plate members side by side through the gap 12, a method of integrally bonding the plurality of rod-shaped materials 11 will be described with reference to FIGS. This is applied in the examples shown in FIGS. 9 to 17, but is illustrated by the examples in FIGS.

  In the example of FIG. 18, they are coupled in a skewered manner. In this case, a spacer 16 is provided for securing gaps 12 between the plurality of rod-shaped members 11, and the skewer member 17 is passed through the plurality of rod-shaped members 11 at a portion where the spacer 16 is interposed. Or both ends of the skewer member 17 are fixed by crimping. The spacer 16 and the skewer member 17 may be metal or resin.

  In the example of FIG. 19, they are connected by a frame type. Also in this case, a spacer 16 is provided for securing gaps 12 between the plurality of rod-shaped members 11, and in this state, a cylindrical frame 18 is mounted so as to be fitted outside. The spacer 16 may be anything as long as it has a gap, and is formed of metal, resin, or the like. The frame 18 may be a metal or a resin, and can be joined by welding in the case of a metal, and can be joined by adhesion in the case of a resin. Moreover, the inner dimension of the frame 18 can be made smaller and fixed by press-fitting.

  Next, another example of the embodiment of the present invention will be described with reference to FIGS. In this example, the rod-shaped members 11 arranged side by side so that the flat surfaces 9 face each other have a force in a direction away from each other, and the rod-shaped member 11 is supported by a support body that supports the rod-shaped member 11 from the outside so as not to spread. The distance between the rod-shaped members 11 arranged side by side is kept constant.

FIG. 20 shows the carrier 1 of the electrostatic atomizer. The transport body 1 includes a U-shaped member 19 and an outer frame 20 that is a support. The U-shaped member 19 is formed by bending a mold having a rectangular cross section into a U shape, and is provided so that the flat surfaces 9 of the pair of rod-shaped members 11 face each other. Further, it has a force to spread in the direction of arrow d in FIG. 20A, that is, outside, and is held in pressure contact within the outer frame 20. That is, in the state where the U-shaped member 19 is removed from the outer frame 20, the tip is widened as shown in FIG. 21. In other words, the pressure contact between the U-shaped member 19 and the outer frame 20 is retained by the action of a so-called U-shaped spring of the U-shaped member 19. The outer frame 20 has a circular outer shape as shown in FIG. 22 and has a rectangular through hole 21. The dimension of the rectangular through hole 21 and the dimension of the U-shaped member 19 are as follows.
Dimension E ≧ Dimension e
Dimension F = Dimension f × 2 + Dimension t
That is, in order for the width dimension e of the U-shaped member 19 to enter, the width dimension E of the rectangular through hole 21 may be larger than the dimension e, but the dimension F of the rectangular through hole 21 is equal to the thickness of the rod-shaped member 11. It is set to be the same as the sum of the dimension f × 2 which is the dimension and the dimension t of the gap suitable for transporting the liquid L to be atomized by the capillary phenomenon. About the dimension t of this clearance gap, an optimal value is determined from the structure of the whole electrostatic atomizer. When water is selected as the liquid L to be atomized, the gap t is preferably set to about 0.05 mm to 0.2 mm. However, as described in the example of the previous embodiment, too. It does not necessarily have to be the same from the front end to the base end. In any case, the gap is extremely small, and high machining accuracy is required to secure the target gap over the entire length in the longitudinal direction of the rod-shaped material 11 and to arrange the rod-shaped materials 11 in parallel. When the U-shaped member 19 and the outer frame 20 are pressed and held as in this example, the gap dimension t is determined by the thickness dimension of the U-shaped member 19 and the square hole machining accuracy of the outer frame 20, so that the gap dimension t is relatively large. The variation of can be reduced.

  Of course, in order for the U-shaped member 19 and the outer frame 20 to be held in pressure contact, the tip dimension w shown in FIG. 21 with the U-shaped member 19 removed from the outer frame 20 is larger than the dimension F. It is necessary to design the U-shaped member 19 so as to exhibit the characteristics of a U-shaped spring. At this time, the material of the U-shaped member 19 is preferably excellent in springiness, and stainless steel or copper alloy is generally used. Further, since the outer frame 20 also needs to withstand the spring force of the U-shaped member 19, mechanical strength performance such as a certain degree of rigidity is required. In this case, the metal material is most advantageous in terms of mechanical strength. When both the U-shaped member 19 and the outer frame 20 are made of a metal material, it is necessary to consider the following. That is, in the electrostatic atomizer, the U-shaped member 19 and the outer frame 20 apply a high voltage, and the U-shaped member 19 and the outer frame 20 are immersed in a liquid L such as water for atomization. It is necessary to consider contact corrosion with dissimilar metals. The simplest countermeasure is to use the same metal material for the U-shaped member 19 and the outer frame 20.

It is a perspective view which shows the whole electrostatic atomizer of an example of embodiment of this invention. An example of a conveyance body same as the above is shown, (a) is a plan view, (b) is a front view, and (c) is a bottom view. The other example of a conveyance body same as the above is shown, (a) is a top view, (b) is a front view, (c) is a bottom view. The other example of a conveyance body same as the above is shown, (a) is a top view, (b) is a front view, (c) is a bottom view. The other example of a conveyance body same as the above is shown, (a) is a top view, (b) is a front view, (c) is a bottom view. (A) (b) (c) is sectional drawing explaining the operation | movement of a conveyance body same as the above, Comprising: It cuts in the XX line of Fig.5 (a). The other example of a conveyance body same as the above is shown, (a) is a top view, (b) is a front view, (c) is a bottom view, and (d) is a sectional view taken along line XX of (a). The other example of a conveyance body same as the above is shown, (a) is a top view, (b) is a front view, (c) is a bottom view, and (d) is a sectional view taken along line XX of (a). The other example of a conveyance body same as the above is shown, (a) is a front view, (b) is a side view, and (c) is a bottom view. (A) (b) is a front view explaining operation | movement of a conveyance body same as the above. It is a front view of the modification same as the above. The other example of a conveyance body same as the above is shown, (a) is a front view, (b) is a side view, and (c) is a bottom view. (A) (b) is a front view explaining operation | movement of a conveyance body same as the above. It is a front view of the modification same as the above. The other example same as the above is shown, (a) is a front view, (b) is a side view, and (c) is a bottom view. The other example of a conveyance body same as the above is shown, (a) is a front view, (b) is a side view, and (c) is a bottom view. (A) (b) is a front view explaining operation | movement of a conveyance body same as the above. The other example of a conveyance body same as the above is shown, (a) is a front view, (b) is a side view, (c) is a bottom view, and (d) is a sectional view taken along line XX of (c). The other example of a conveyance body same as the above is shown, (a) is a front view, (b) is a side view, (c) is a bottom view, and (d) is a sectional view taken along line XX of (c). The other example of a conveyance body same as the above is shown, (a) is a top view, (b) is a front view, (c) is a sectional view along line XX in (a). The U-shaped member is shown, wherein (a) is a front view and (b) is a side view. The outer frame same as the above is shown, (a) is a plan view and (b) is a front view. The conveyance body of a prior art example is shown, (a) is a top view, (b) is a front view, (c) is a bottom view. It is explanatory drawing which shows the structure | tissue of a ceramic porous body same as the above.

DESCRIPTION OF SYMBOLS 1 Conveyance body 2 Liquid storage part 5 Counter electrode 6 Application electrode 7 Atomization part 8 Voltage application part 9 Flat surface 11 Rod-shaped material 12 Crevice 13 Recess 14 Depression A Envelope L Liquid

Claims (9)

A liquid supply means for supplying liquid for atomization, the application electrode for applying a voltage to the liquid, the longitudinal direction together with the base end side of the one longitudinal end is in contact with the liquid present in the liquid supply means a conveying member for conveying the liquid to the atomization unit from said liquid supply means to the distal end of the distal end portion to be tapered is formed at the other end has an atomizing area, facing the atomization unit of the carrier and a counter electrode, a liquid in which the carrier is sucked up from the liquid supply means an electrostatic atomizer that electrostatically atomized in the atomizing unit of the carrier, the carrier is in the carrier longitudinal and flat faces the rod-like member having a substantially parallel flat surface is formed by juxtaposed to face each other with a gap, until the tip clearance between the flat surface from the proximal end of the carrier And both sides in the longitudinal direction of the transport body and perpendicular to the longitudinal direction of the transport body Direction is opened, the electrostatic atomizing device, characterized in that the gap has a conveying passage of the liquid. A liquid supply means for supplying a liquid for atomization; an application electrode for applying a voltage to the liquid; and an atomizing portion at a tip which is in contact with the liquid, and the liquid is supplied from the liquid supply means. A transport body transported to the atomization section; and a counter electrode facing the atomization section of the transport body. The liquid sprayed by the transport body from the liquid supply means is electrostatically atomized by the atomization section of the transport body. In the electrostatic atomizing apparatus, the transport body is arranged in parallel so that the flat surfaces face each other with a gap between the flat surfaces having a flat surface substantially parallel to the longitudinal direction of the transport body. The gap between the flat surfaces is defined as the liquid transport channel, and in the cross section in a direction perpendicular to the liquid transport direction of the transport body, the gap between the flat surfaces is the center of the cross section. The electrostatic atomizer characterized by being inclined so that it may become so narrow that it goes to. A liquid supply means for supplying a liquid for atomization; an application electrode for applying a voltage to the liquid; and an atomizing portion at a tip which is in contact with the liquid, and the liquid is supplied from the liquid supply means. A transport body transported to the atomization section; and a counter electrode facing the atomization section of the transport body. The liquid sprayed by the transport body from the liquid supply means is electrostatically atomized by the atomization section of the transport body. In the electrostatic atomizing apparatus, the transport body is arranged in parallel so that the flat surfaces face each other with a gap between the flat surfaces having a flat surface substantially parallel to the longitudinal direction of the transport body. The gap formed between the flat surfaces is defined as the liquid transfer channel, and the gap between the flat surfaces is the mist at the tip in the cross section in a direction parallel to the liquid transfer direction of the transfer body. The electrostatic atomizer characterized by being inclined so that it may become so narrow that it goes to the formation part. A liquid supply means for supplying a liquid for atomization; an application electrode for applying a voltage to the liquid; and an atomizing portion at a tip which is in contact with the liquid, and the liquid is supplied from the liquid supply means. A transport body transported to the atomization section; and a counter electrode facing the atomization section of the transport body. The liquid sprayed by the transport body from the liquid supply means is electrostatically atomized by the atomization section of the transport body. In the electrostatic atomizing apparatus, the transport body is arranged in parallel so that the flat surfaces face each other with a gap between the flat surfaces having a flat surface substantially parallel to the longitudinal direction of the transport body. The formed gap between the flat surfaces is used as the liquid transport channel, and the plurality of rods arranged side by side has an envelope connecting the tips of the plurality of rods. The electrostatic atomizer characterized by arrange | positioning so that it may become. A liquid supply means for supplying a liquid for atomization; an application electrode for applying a voltage to the liquid; and an atomizing portion at a tip which is in contact with the liquid, and the liquid is supplied from the liquid supply means. A transport body transported to the atomization section; and a counter electrode facing the atomization section of the transport body. The liquid sprayed by the transport body from the liquid supply means is electrostatically atomized by the atomization section of the transport body. In the electrostatic atomizing apparatus, the transport body is arranged in parallel so that the flat surfaces face each other with a gap between the flat surfaces having a flat surface substantially parallel to the longitudinal direction of the transport body. The formed gap between the flat surfaces is used as the liquid transport channel, and the plurality of rods arranged side by side has an envelope connecting the tips of the plurality of rods. It was arranged so that a depression was made at the center near the center. Electrostatic atomizer according to claim. A liquid supply means for supplying a liquid for atomization; an application electrode for applying a voltage to the liquid; and an atomizing portion at a tip which is in contact with the liquid, and the liquid is supplied from the liquid supply means. A transport body transported to the atomization section; and a counter electrode facing the atomization section of the transport body. The liquid sprayed by the transport body from the liquid supply means is electrostatically atomized by the atomization section of the transport body. In the electrostatic atomizing apparatus, the transport body is arranged in parallel so that the flat surfaces face each other with a gap between the flat surfaces having a flat surface substantially parallel to the longitudinal direction of the transport body. A gap between the formed flat surfaces is used as the liquid transport channel, and there are a plurality of transport channels. The electrostatic channel has a channel through which liquid flows from the adjacent transport channel. Atomization device. A liquid supply means for supplying a liquid for atomization; an application electrode for applying a voltage to the liquid; and an atomizing portion at a tip which is in contact with the liquid, and the liquid is supplied from the liquid supply means. A transport body transported to the atomization section; and a counter electrode facing the atomization section of the transport body. The liquid sprayed by the transport body from the liquid supply means is electrostatically atomized by the atomization section of the transport body. In the electrostatic atomizing apparatus, the transport body is arranged in parallel so that the flat surfaces face each other with a gap between the flat surfaces having a flat surface substantially parallel to the longitudinal direction of the transport body. The formed rod-shaped material is a gap between the flat surfaces, and the rod-shaped members arranged in parallel so that the flat surfaces face each other have a force acting in a direction away from each other. It is arranged side by side with the support that supports the rod-shaped material from the outside so that it does not spread in the direction of leaving. Electrostatic atomizer being characterized in that to keep the distance between the bar-shaped member fixed. The electrostatic according to any one of claims 1 to 3, wherein a recess for storing liquid is provided in an atomizing portion at a tip of the transport body, and the recess and the clearance between the transport body are communicated with each other. Atomization device. The electrostatic atomizer according to claim 4, wherein the rod-shaped material is a conductor, and at least a surface of an atomizing portion at a tip end in the transport direction is an insulator.

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