JP2014165147A - Active ingredient generator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an active ingredient generator capable of generating an active ingredient with a simple configuration.SOLUTION: The active ingredient generator includes: an application part that applies a voltage; a first discharge electrode that discharges with the voltage being applied to cause a first discharge to generate an ion of a first polarity; a charged body to be charged by the first discharge; and a second discharge electrode facing the charged body. The electro static charge of the charged body causes a second discharge to generate an ion of a second polarity opposite to the first polarity between the second discharge electrode and the charged body.

Description

  The present invention relates to an active ingredient generator that generates an active ingredient by discharge.

  Various active ingredient generators that generate active ingredients by electric discharge have been developed. Patent document 1 discloses an electrostatic atomizer as an active ingredient generator. The electrostatic atomizer of patent document 1 is provided with the acicular electrode to which a high voltage is applied, and the earthed electrode grounded. The ground electrode is disposed to face the needle electrode. If a discharge is caused between the needle electrode and the ground electrode after the water supply to the needle electrode, charged fine particle water is generated as an active ingredient having a beneficial effect such as sterilization. As another active ingredient generator, an ion generator that applies high voltage to an electrode and generates ions as an active ingredient without supplying water to the electrode may be used.

JP 2009-202094 A

  An active ingredient generator that can simultaneously generate ions having a positive polarity (positive ions) and ions having a negative polarity (negative ions) is effective for the purpose of deodorization and allergen reduction. However, in order to generate positive ions and negative ions simultaneously, a power source for generating positive ions exclusively and a power source for generating negative ions exclusively are required. Therefore, the structure of the active ingredient generator is complicated or enlarged.

  An object of the present invention is to provide an active ingredient generator which generates an active ingredient under a simple design.

  An active ingredient generator according to one aspect of the present invention includes an application unit that applies a voltage, a first discharge electrode that generates a first discharge that discharges under the application of the voltage and generates ions of a first polarity, A charged body charged by the first discharge, and a second discharge electrode facing the charged body.

  According to the above configuration, when the application unit applies a voltage, the first discharge electrode generates a first discharge. The first discharge generates ions of the first polarity and charges the charged body with the first polarity. Since the charged body is charged with the first polarity, a discharge occurs between the charged body and the second discharge electrode. Since the discharge between the charged body and the second discharge electrode generates ions having a polarity opposite to the first polarity, the active ingredient generator can generate a plurality of types of ions. Since the active ingredient generator generates a plurality of types of ions using a charged body, the active ingredient generator can be formed under a simple design.

  In the above configuration, the charging of the charged body may cause a second discharge that generates ions of a second polarity opposite to the first polarity between the second discharge electrode and the charged body.

  According to the above configuration, as a result of charging of the charged body, a second discharge is generated between the second discharge electrode and the charged body. Since the second discharge generates ions having the second polarity opposite to the first polarity, the active ingredient generator can generate a plurality of types of ions under a simple design.

  In the above configuration, the charged body may include a first surface and a second surface opposite to the first surface. The second discharge electrode may be opposed to the second surface. The first discharge electrode may include an end located closer to the first surface than the second surface. The first discharge may be generated from the end portion.

  According to the above configuration, the first discharge is generated between the first surface and the end portion of the first discharge electrode. As a result, ions of the first polarity are generated in the space where the first surface faces. As a result of the first discharge, the charged body is charged with the first polarity. The charging of the charged body causes a discharge between the second surface and the second electrode. As a result, ions having a polarity opposite to the first polarity are generated in the space where the second surface faces. Therefore, the active ingredient generator can efficiently generate ions in a wide space.

  In the above-described configuration, the active ingredient generator may further include a liquid supply unit that supplies liquid to at least one of the first discharge electrode and the second discharge electrode.

  According to the above configuration, the liquid supply unit supplies the liquid to at least one of the first discharge electrode and the second discharge electrode, so that the charged fine particle liquid can be appropriately generated.

  In the above configuration, the first polarity may be a positive polarity. The second polarity may be a negative polarity. The liquid supply unit may supply the liquid to the second discharge electrode.

  According to the above configuration, since the liquid supply unit supplies the liquid to the second discharge electrode that generates ions having a negative polarity, the fine particle liquid charged with the negative polarity can be appropriately generated.

  In the above configuration, the charged body may be formed using a resin material.

  According to the above configuration, since the charged body is formed using the resin material, the active ingredient generator is manufactured at a low cost.

  The active ingredient generator according to the present invention can generate an active ingredient under a simple design.

It is a schematic sectional drawing of the active ingredient generator of a 1st embodiment. It is a schematic sectional drawing of the active ingredient generator of a 2nd embodiment. It is a schematic sectional drawing of the active ingredient generator of a 3rd embodiment.

  Hereinafter, an exemplary active ingredient generator will be described with reference to the drawings. It should be noted that terms used in the following description, such as “up”, “down”, “left”, and “right”, are merely for the purpose of clarifying the description. Therefore, these terms do not limit the principle of the active ingredient generator.

<First Embodiment>
FIG. 1 is a schematic cross-sectional view of an active ingredient generator 100 according to the first embodiment. With reference to FIG. 1, an active ingredient generator 100 is described.

  The active ingredient generator 100 includes a first needle electrode 110, a second needle electrode 120, a power source 130, and a box 140. The power supply 130 applies a high voltage to the first needle electrode 110. The second needle electrode 120 is grounded. The box 140 forms an accommodation space 141 for accommodating the first acicular electrode 110 and the second acicular electrode 120. In the present embodiment, the power supply 130 is exemplified as the application unit.

  The box 140 includes a bottom wall 142, a peripheral wall 143, and a top wall 150. The peripheral wall 143 is erected on the bottom wall 142. The top wall 150 facing the bottom wall 142 is supported by the peripheral wall 143. The accommodation space 141 is defined as a space surrounded by the bottom wall 142, the peripheral wall 143, and the top wall 150.

  The first needle electrode 110 and the second needle electrode 120 are fixed to the bottom wall 142. The first needle electrode 110 extends from the bottom wall 142 toward the top wall 150. Similar to the first needle electrode 110, the second needle electrode 120 also extends from the bottom wall 142 toward the top wall 150.

  The first needle-like electrode 110 includes a first tip portion 111 that is pointed toward the top wall 150. A first opening 151 is formed in the top wall 150. The first opening 151 is opposed to the first tip 111. The power supply 130 applies a high voltage to the first needle electrode 110. The voltage applied by the power source 130 may be alternating current or direct current.

  When the power supply 130 applies a voltage to the first needle-like electrode 110, corona discharge occurs at the first tip portion 111. As a result of the corona discharge, ions having a positive or negative polarity are generated around the first tip portion 111. In the present embodiment, the power source 130 applies a voltage to the first needle electrode 110 so that positive polarity ions (hereinafter referred to as “plus ions”) are generated around the first tip portion 111. Apply. Alternatively, the power supply 130 applies a voltage to the first needle electrode 110 so that negative polarity ions (hereinafter, referred to as “negative ions”) are generated around the first tip portion 111. May be.

  In the present embodiment, the positive polarity ions generated around the first tip 111 are exemplified as the first polarity ions. The corona discharge generated from the first tip 111 is exemplified as the first discharge. The 1st acicular electrode 110 is illustrated as a 1st discharge electrode.

  Most of the positive ions generated by the corona discharge described above are released to the external space (the space outside the box 140) through the first opening 151. Some of the positive ions heading from the accommodation space 141 to the external space adhere to the top wall 150.

  The top wall 150 may be formed of a resin material that is easily charged. Examples of resin materials that can be used for the ceiling wall 150 include polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyamide, polycarbonate, polyethylene terephthalate, fluororesin, polyetherimide, acrylic resin, and other general engineering plastics. . The peripheral wall 143 is formed using a material capable of maintaining the charged state of the top wall 150. In the present embodiment, the top wall 150 is exemplified as a charged body.

  As described above, since the positive ions adhere to the top wall 150, the top wall 150 is charged with a positive polarity. If the power supply 130 applies a voltage to the first needle electrode 110 so that negative ions are generated around the first tip portion 111, the ceiling wall 150 is charged with a negative polarity.

  The second needle electrode 120 facing the top wall 150 is grounded. Therefore, a potential difference is generated between the top wall 150 and the second needle electrode 120 due to the charging of the top wall 150. When the potential difference exceeds a predetermined level (that is, when the amount of positive ions attached to the top wall 150 exceeds a predetermined level), a discharge is also generated between the top wall 150 and the second needle electrode 120. The discharge between the top wall 150 and the second needle electrode 120 generates negative ions. If the top wall 150 is charged with a negative polarity, the discharge between the top wall 150 and the second needle electrode 120 generates positive ions. In this embodiment, the 2nd acicular electrode 120 is illustrated as a 2nd discharge electrode.

  The second needle-like electrode 120 includes a second tip 121 that is pointed toward the top wall 150. A second opening 152 is formed in the top wall 150. The second opening 152 is opposed to the second tip portion 121. Due to the charging of the ceiling wall 150, a discharge is generated between the ceiling wall 150 and the second tip portion 121. Negative ions generated by the discharge between the top wall 150 and the second tip 121 are discharged from the accommodation space 141 to the external space through the second opening 152. In the present embodiment, negative ions generated around the second tip 121 are exemplified as ions of the second polarity. The discharge between the top wall 150 and the second tip 121 is exemplified as the second discharge.

Second Embodiment
FIG. 2 is a schematic cross-sectional view of an active ingredient generator 100A according to the second embodiment. The active ingredient generator 100A is described with reference to FIG. In addition, the same code | symbol is attached | subjected with respect to the element same as 1st Embodiment. Description of 1st Embodiment is used with respect to the element to which the same code | symbol was attached | subjected.

  As in the first embodiment, the active ingredient generator 100A includes a second needle electrode 120, a power source 130, and a box 140. The active ingredient generator 100A further includes a first needle electrode 110A and a pedestal portion 160. The pedestal portion 160 is installed on the bottom wall 142 in the accommodation space 141. 110 A of 1st acicular electrodes are installed in the base part 160. FIG. The power source 130 is electrically connected to the first needle electrode 110 </ b> A through the base portion 160. Therefore, the power supply 130 can apply a high voltage to the first needle electrode 110A, as in the first embodiment.

  The top wall 150 includes a lower surface 153 facing the accommodation space 141, and an upper surface 154 opposite to the lower surface 153. The upper surface 154 faces the external space. The lower surface 153 faces the second needle electrode 120. In the present embodiment, the upper surface 154 is exemplified as the first surface. The lower surface 153 is exemplified as the second surface.

  The first acicular electrode 110 </ b> A protrudes upward from the box 140 through the first opening 151. Similar to the first embodiment, the first needle-like electrode 110A includes a sharp first tip portion 111A. Unlike the first embodiment, the first tip portion 111A exists in the external space. Therefore, the first tip portion 111 </ b> A exists closer to the upper surface 154 than the lower surface 153. In the present embodiment, the first tip portion 111A is exemplified as an end portion.

  When the power supply 130 applies a high voltage to the first needle electrode 110A, the electric field concentrates on the first tip 111A. As a result, corona discharge occurs between the first tip 111A and the upper surface 154. In the present embodiment, the power supply 130 applies a voltage to the first needle electrode 110A so that positive ions are generated around the first tip portion 111A. As a result, positive ions are generated outside the box 140. Some of the positive ions adhere to the top wall 150. As a result, the ceiling wall 150 is charged with a positive polarity. As a result of charging of the top wall 150, a discharge occurs between the top wall 150 and the second tip portion 121, and negative ions are generated in the accommodation space 141. Since the generation spaces of positive ions and negative ions are different, the active ingredient generator 100A can efficiently generate positive ions and negative ions.

  Alternatively, the power source 130 may apply a voltage to the first needle electrode 110A so that negative ions are generated around the first tip portion 111A. In this case, some of the negative ions adhere to the top wall 150. As a result, the top wall 150 is charged with a negative polarity. As a result of the charging of the ceiling wall 150, a discharge occurs between the ceiling wall 150 and the second tip portion 121, and positive ions are generated. Since the generation spaces of positive ions and negative ions are different, the active ingredient generator 100A can efficiently generate positive ions and negative ions.

<Third Embodiment>
FIG. 3 is a schematic cross-sectional view of an active ingredient generator 100B of the third embodiment. With reference to FIG. 3, the active ingredient generator 100B will be described. In addition, the same code | symbol is attached | subjected with respect to the element same as 2nd Embodiment. The description of the second embodiment is used for elements having the same reference numerals.

  Similarly to the second embodiment, the active ingredient generator 100B includes a first needle electrode 110A, a power source 130, and a pedestal portion 160. The active ingredient generator 100B further includes an atomization electrode 120B, a box 140B, a cooling module 170, and a heat dissipation module 180.

  Similar to the second embodiment, the box body 140 </ b> B includes a peripheral wall 143 and a top wall 150. The box 140B further includes a bottom wall 142B. The accommodation space 141 may be defined as a space surrounded by the peripheral wall 143, the top wall 150, and the bottom wall 142B.

  The bottom wall 142 may be designed to support the heat dissipation module 180. The heat radiation module 180 is exposed to the accommodation space 141 and the external space. The cooling module 170 is installed on the heat dissipation module 180 in the accommodation space 141. The atomization electrode 120 </ b> B is installed on the cooling module 170.

  The cooling module 170 may be a device including a Peltier element that cools the atomizing electrode 120B. The heat dissipating module 180 may be a heat dissipating fin that promotes heat generated from the Peltier element used for cooling the atomizing electrode 120B to the external space.

  The atomizing electrode 120 </ b> B includes a rod-shaped body portion 122 and a substantially spherical head portion 123. The body portion 122 is installed on the cooling module 170. The head 123 is disposed between the trunk 122 and the top wall 150. In this embodiment, the atomization electrode 120B is illustrated as a 2nd discharge electrode.

  When the cooling module 170 cools the atomizing electrode 120B, the surface of the atomizing electrode 120B is condensed. As described in relation to the second embodiment, application of a voltage to the first needle electrode 110 </ b> A by the power supply 130 results in charging of the top wall 150. In the present embodiment, the top wall 150 is charged with a positive polarity. In this embodiment, the cooling module 170 is illustrated as a liquid supply part. Alternatively, another device that can supply the liquid to the atomizing electrode 120B (for example, a dropping device that drops the liquid onto the atomizing electrode 120B) may be used as the liquid supply unit.

  As a result of charging the top wall 150, a potential difference is generated between the atomizing electrode 120 </ b> B and the top wall 150. The potential difference between the atomizing electrode 120B and the ceiling wall 150 causes a Coulomb force that acts on the water attached to the atomizing electrode 120B. As a result, a Taylor cone TC is formed on the head 123.

  When the potential difference between the atomizing electrode 120B and the ceiling wall 150 exceeds a predetermined level, discharge starts between the atomizing electrode 120B and the ceiling wall 150. As a result, particulate water charged with a negative polarity is generated around the head 123. The particulate water is discharged through the second opening 152 to the external space.

  In the present embodiment, the cooling module 170 exemplified as the liquid supply unit supplies water to the atomizing electrode 120B that discharges with a negative polarity. If necessary, the liquid supply unit may supply liquid to the electrode that discharges with a positive polarity. Alternatively, the liquid supply unit may supply liquid to an electrode that discharges with a positive polarity and an electrode that discharges with a negative polarity. The type and amount of liquid supplied by the liquid supply unit may be determined according to the application of the active ingredient generator.

  In the present embodiment, the head 123 of the atomizing electrode 120B is spherical. Alternatively, the atomizing electrode may have other shapes that can form a Taylor cone. The shape of the atomizing electrode does not limit the principle of this embodiment at all.

  In the various embodiments described above, the top wall 150 exemplified as the charged body is formed of a resin material. Alternatively, the charged body may be formed of another material that is more easily charged than the support member used for supporting the charged body.

  In the various embodiments described above, the power source 130 exemplified as the application unit applies a DC voltage or an AC voltage. If the DC voltage is used for discharge, the magnitude of the DC voltage is set so that discharge occurs between the charged body and the electrode. If the AC voltage is used for discharging, the amplitude and frequency of the AC voltage are set so that a discharge occurs between the charged body and the electrode. If necessary, the AC voltage applied by the applying unit may include a DC component.

  The principle of this embodiment is suitably used for an apparatus for generating an active ingredient such as charged fine particle water or ions.

100, 100A, 100B... Active ingredient generator 110, 110A... First needle electrode 111, 111A. ... the second needle electrode 120B ... the atomizing electrode 130 ...・ ・ ・ ・ Power supply 150 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Top wall 153 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Lower surface 154 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・・ ・ ・ ・ ・ ・ Top 170 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Cooling module

Claims (6)

An application unit for applying a voltage;
A first discharge electrode for generating a first discharge that discharges under application of the voltage and generates ions of a first polarity;
A charged body charged by the first discharge;
An active ingredient generator, comprising: a second discharge electrode facing the charged body.   2. The charging of the charged body causes a second discharge that generates ions of a second polarity opposite to the first polarity between the second discharge electrode and the charged body. The active ingredient generator described in 1. The charged body includes a first surface and a second surface opposite to the first surface;
The second discharge electrode is opposed to the second surface,
The first discharge electrode includes an end located closer to the first surface than the second surface;
The active ingredient generator according to claim 1, wherein the first discharge is generated from the end portion.   The active ingredient generator according to claim 2, further comprising a liquid supply unit that supplies liquid to at least one of the first discharge electrode and the second discharge electrode. The first polarity is a positive polarity;
The second polarity is a negative polarity,
The active ingredient generator according to claim 4, wherein the liquid supply unit supplies the liquid to the second discharge electrode.   The active ingredient generator according to any one of claims 1 to 5, wherein the charged body is formed using a resin material.

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