JP6009233B2 - Ion generator and electric device equipped with ion generator - Google Patents

Description

  The present invention relates to an ion generator that generates positive ions, negative ions, and electrons that make positive ions neutral atoms.

  Japanese Patent Application Laid-Open No. 2006-34957 (Patent Document 1) includes a positive ion generator that generates positive ions, a negative ion, and a negative ion generator that generates electrons that make the positive ions neutral. An ion generator is disclosed. Japanese Patent Application Laid-Open No. 2011-86600 discloses a positive ion generator having an induction electrode and a discharge electrode.

  The discharge electrode for generating positive ions has a predetermined shape including a plurality of discharge portions having a sharp shape and a conductive portion connecting the plurality of discharge portions. Many positive ions are generated at the discharge site. When the generated positive ions are circulated to the negative ion generation unit by a blowing means or the like, they are combined with electrons generated in the negative ion generation unit to become neutral atoms.

JP 2006-34957 A JP 2011-86600 A

  By the way, depending on the shape of the discharge electrode, positive ions generated at the discharge site may pass through the conductive site before reaching the negative ion generation part. In such a case, since the positive ions and the conductive site are at the same potential, a repulsive force in a direction away from the conductive site may act on the positive ions that have passed through the conductive site. Therefore, there is a problem that positive ions flow away from the negative ion generation part and the ratio of positive ions to neutral atoms in the negative ion generation part decreases. Such a problem is not considered at all in the above-mentioned publication and cannot be solved.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to suppress positive ions generated in the positive ion generation unit from flowing away from the negative ion generation unit and It is to provide an electric device provided with an ion generator.

  An ion generator according to an aspect of the present invention includes a positive ion generator having a discharge electrode formed on a surface of a dielectric, an induction electrode disposed opposite to the discharge electrode with the dielectric interposed therebetween, and a negative ion generator. A negative ion generation unit that generates ions and electrons for making positive ions into neutral atoms. The discharge electrode includes a conductive part to which a positive voltage is applied and a sharp discharge part that is electrically connected to the conductive part and generates positive ions. The discharge part is provided at a position where no conductive part is interposed between the negative ion generation part.

Preferably, the discharge site is provided between the negative ion generator and the conductive site.
More preferably, the positive ion is H ⁺ (H ₂ O) m (m is an arbitrary natural number). The negative ion is O ₂ ⁻ (H ₂ O) n (n is zero or any natural number).

More preferably, the negative ion generator includes a needle electrode.
An electric device according to another aspect of the present invention includes an ion generator and a blower that generates a flow of air from the positive ion generator toward the negative ion generator.

  According to this invention, the positive ions generated from the discharge site can be circulated to the negative ion generator without passing through the conductive site. Therefore, when positive ions flow toward the negative ion generation part, generation of repulsive force in a direction away from the conductive portion can be suppressed. Therefore, the ion generator which suppresses that the positive ion which generate | occur | produced in the positive ion generation part distribute | circulates away from a negative ion generation part, and the electric equipment provided with the ion generator can be provided.

It is a figure which shows the external appearance of an air cleaner provided with the ion generator which concerns on this Embodiment. It is a figure which shows the BB cross section of FIG. It is a figure (the 1) which shows the structure of the ion generator which concerns on this Embodiment. It is FIG. (2) which shows the structure of the ion generator which concerns on this Embodiment. It is FIG. (3) which shows the structure of the ion generator which concerns on this Embodiment. It is a figure for demonstrating the effect | action of the ion generator which concerns on this Embodiment. It is FIG. (1) which shows the other example of the shape of a discharge electrode. It is FIG. (2) which shows the other example of the shape of a discharge electrode. It is FIG. (3) which shows the other example of the shape of a discharge electrode. It is FIG. (4) which shows the other example of the shape of a discharge electrode.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the same parts are denoted by the same reference numerals. Their names and functions are also the same. Therefore, detailed description thereof will not be repeated.

  In FIG. 1, the external appearance of the air cleaner 1 which is an example of the electric equipment provided with the ion generator which concerns on this Embodiment is shown. In addition to the air purifier 1, the ion generator according to the present embodiment includes an ion generator, an air conditioner (including a vehicle), a ventilator, a refrigerator, a washing machine, a vacuum cleaner, a dryer, and a humidifier. It may be provided in an electric device such as a machine, a dehumidifier, a hair dryer, a ceramic fan heater, or a fan.

  As shown in FIG. 1, the air cleaner 1 is provided with a first air outlet 2 at the center upper portion as viewed from the front (as viewed from the arrow A in FIG. 1). A suction port (see FIG. 2) is provided on the back surface of the air cleaner 1. Inside the air cleaner 1, there are provided a blower and an ion generator (see FIG. 2) that operate by receiving power. During the operation of the air cleaner 1, the air taken in from the suction port by the blower is blown out from the first outlet 2 together with the ions generated in the ion generator.

  In FIG. 2, the BB cross section of the air cleaner 1 of FIG. 1 is shown. As shown in FIG. 2, the air purifier 1 includes a housing 3, a blower 5, an ion generator 10, and a duct 11. The blower 5, the ion generator 10, and the duct 11 are provided at predetermined positions inside the housing 3.

  The upper surface of the housing 3 of the air cleaner 1 is formed so as to be inclined toward the back side. A second air outlet 4 is provided on the upper surface of the housing 3. Below the center of the back surface of the housing 3, a projecting surface is formed that projects to the back side of the other surface in order to secure a space for disposing the blower 5. The suction port 6 is formed on the projecting surface. Is formed.

  The inlet 6 is provided with a lattice grill 7 made of resin. A mesh-like thin filter 8 is attached to the inside of the grill 7. A fan guard 9 is provided behind the filter 8 (on the air blower 5 side) so that foreign matter or a user's finger does not enter the air blower 5.

  The blower 5 is provided on the lower side in the housing 3 and sends the air sucked from the suction port 6 to one end of the duct 11. The blower 5 is, for example, a cross flow fan, but is not particularly limited thereto.

  The duct 11 is provided inside the housing 3 along the vertical direction. An opening at the lower end of the duct 11 is provided to face the suction port 6. A blower 5 is provided at the opening at the lower end of the duct 11. The upper end of the duct 11 is connected to each of the first air outlet 2 and the second air outlet 4.

  The ion generator 10 is provided in the center part between the upper end and lower end of the duct 11, as shown to the broken-line frame of FIG. The ion generator 10 includes a rectangular case 12, a positive ion generator 13, and a negative ion generator 14. The positive ion generator 13 and the negative ion generator 14 are provided on any one of the plurality of surfaces of the case 12. The positive ion generator 13 and the negative ion generator 14 are provided so as to be separated by a predetermined distance. The case 12 is not particularly limited to a rectangular shape as long as the relative positional relationship between the positive ion generator 13 and the negative ion generator 14 can be regulated.

  An opening for attaching the ion generator 10 is formed at the center of the duct 11. The ion generator 10 is attached so as to close the opening of the duct 11. At this time, the ion generator 10 is attached to the duct 11 such that the surface of the case 12 on which the positive ion generator 13 and the negative ion generator 14 are provided is integrated with the inner wall surface of the duct 11. When the ion generator 10 is attached to the duct 11, the position of the positive ion generator 13 is closer to the lower end side of the duct 11 (upstream of the air flow) than the position of the negative ion generator 14. Become position.

  As shown by the arrow in FIG. 2, the air sucked from the suction port 6 by the operation of the blower 5 is sent to the lower end of the duct 11 via the blower 5. The air sent to the lower end of the duct 11 flows toward the upper end of the duct 11 together with the ions generated in the ion generator 10 in the duct 11. The air and ions circulated to the upper end of the duct 11 are discharged from the first blower outlet 2 toward the front of the air cleaner 1 and discharged from the second blower outlet 4 toward the diagonally rear of the air cleaner 1. Is done.

As a result of applying a positive voltage to the positive ion generator 13 of the ion generator 10, moisture in the air is ionized by creeping discharge, and H ⁺ (H ₂ O) m (m is an arbitrary natural number) (hereinafter, an arbitrary natural number) Simply described as positive ions). On the other hand, as a result of applying a negative voltage to the negative ion generator 14, electrons and O ₂ ⁻ (H ₂ O) n (n is zero or any natural number) due to discharge (in the following description, simply negative) Described as ions).

  When the blower 5 operates, the positive ions generated in the positive ion generator 13 flow to the negative ion generator 14 side. The positive ions flowing to the negative ion generation unit 14 side become hydrogen atoms (neutral atoms) when combined with the electrons generated in the negative ion generation unit 14. Hydrogen atoms are released from the first air outlet 2 or the second air outlet 4 to the outside of the air cleaner 1 together with the negative ions generated in the negative ion generator 14.

  As shown in FIG. 3, the positive ion generator 13 includes a first dielectric 15 and a discharge electrode 16 formed on the surface of the first dielectric. The first dielectric 15 is an insulator such as ceramic formed in a plate shape. The discharge electrode 16 is an electrode that generates positive ions when a positive voltage is applied. The discharge electrode 16 is, for example, a printed electrode printed on the upper surface of the first dielectric, but is not particularly limited to the printed electrode. The discharge electrode 16 includes a plurality of discharge parts 17 having a sharp shape and a conductive part 18 connecting the plurality of discharge parts 17. In the present embodiment, the plurality of discharge portions 17 and the conductive portions 18 are described as being provided on the same plane, but are not particularly limited to being provided on the same plane.

  When a positive voltage is applied to the discharge electrode 16, a large number of positive ions are generated particularly at the sharp tips of the plurality of discharge portions 17.

  In the ion generator 10 having such a configuration, when positive ions generated in the discharge site 17 pass through the conductive site 18 before reaching the negative ion generator 14, the positive ions and the conductive site 18 are the same. Since it has a polar potential, a repulsive force in a direction away from the conductive portion 18 may act on positive ions. Therefore, positive ions flow away from the negative ion generation unit 14, and the ratio of positive ions to neutral atoms in the negative ion generation unit 14 may decrease.

  Therefore, in the present embodiment, in the positive ion generator 13 of the ion generator 10, the discharge site 17 of the discharge electrode 16 is provided at a position where the conductive site 18 does not intervene between the negative ion generator 14. It is characterized by.

  FIG. 4 shows the configuration of the ion generator 10 as viewed from the arrow C in FIG. The discharge electrode 16 is formed to have a predetermined shape. As shown in FIG. 4, in the present embodiment, discharge electrode 16 is formed to have a rectangular shape as a whole, for example.

  Specifically, the discharge electrode 16 includes a portion formed by three line segments of the same length arranged in parallel along a direction in which air flows, and a left end portion of each of the three line segments. A portion formed by a connecting line segment, a portion formed by a line segment connecting the right end portions of the three line segments, and a center line segment of the three line segments intersect 2 Part formed by the intersection line of the book. The shape of the discharge electrode 16 is not particularly limited to such a shape.

  Each of the three line segments is provided with three discharge portions 17 having a sharp shape at equal intervals. The discharge portion 17 is provided with a tip portion directed toward the downstream side of the air flow. In addition, although the shape of the discharge site | part 17 demonstrates as what has a triangular shape, as long as the front-end | tip part has the sharp shape provided toward the downstream of the flow of air, it is specifically limited to a triangular shape. It is not a thing. Further, the number of discharge sites 17 is not particularly limited. The conductive portion 18 refers to a portion of the discharge electrode 16 other than the plurality of discharge portions 17.

  In the present embodiment, the discharge site provided at a position where the conductive site 18 does not intervene with the negative ion generator 14 is the discharge site within the broken line frame in FIG. That is, the discharge part provided at a position where the conductive part 18 does not intervene with the negative ion generator 14 is arranged on the most downstream side of the three line segments arranged along the air flow direction. The three discharge sites 17 are provided in the portion corresponding to the line segment.

  The ion generator 10 viewed from the arrow D of FIG. 4 is shown in FIG. As shown in FIG. 5, the positive ion generator 13 further includes a second dielectric 19 and an induction electrode 20 in addition to the first dielectric 15 and the discharge electrode 16 described above. The second dielectric 19 is formed in a plate shape having the same size as the first dielectric 15 using an insulator such as ceramic. The induction electrode is disposed to face the discharge electrode 16 with the first dielectric 15 interposed therebetween. The induction electrode 20 is a printed electrode printed on the upper surface of the second dielectric 19. Therefore, the positive ion generator 13 is formed by laminating the discharge electrode 16, the first dielectric 15, the induction electrode 20, and the second dielectric 19. In the positive ion generator 13, a coating layer that prevents oxidation or wear of the discharge electrode 16 may be formed on the upper surface of the discharge electrode 16.

  In the case 12, a rectangular recess corresponding to the shape of the positive ion generator 13 is formed, and the positive ion generator 13 is disposed in the formed recess. When a positive voltage is applied to the discharge electrode 16, positive ions are generated at the discharge site 17 due to creeping discharge. The positive voltage is, for example, 3.9 kV to 4.3 kV, but is not particularly limited to a voltage in such a range.

  As shown in FIGS. 3 and 4, the negative ion generation unit 14 includes a needle electrode 21 and a protective cover 22.

  The needle electrode 21 is provided at a position separated from the positive ion generator 13 by a predetermined distance. In the present embodiment, the needle electrode 21 is provided at a position separated from the positive ion generator 13 by a predetermined distance. Depending on the distance between the needle electrode 21 and the positive ion generator 13, the positive ion generator Since the number of positive ions generated from 13 changes to hydrogen atoms, it is desirable to adapt the distance between the two based on the size of the positive ion generator 13 and the height of the needle electrode 21.

  The protective cover 22 suppresses contact of the operator with the needle-like electrode 21 during manufacture or repair of the air cleaner 1. The protective cover 22 has, for example, a shape in which an air flowing direction is opened. Further, the protective cover 22 has a shape in which a portion facing the tip of the needle electrode 21 is opened.

  As shown in FIG. 5, the negative ion generator 14 further includes a counter electrode 23 in addition to the needle electrode 21. When a negative voltage is applied to the needle electrode 21, electrons are emitted from the needle electrode 21 into the air by discharge. Since the electrons released into the air are unstable, they are trapped by oxygen molecules and the negative ions described above are generated. The negative voltage is, for example, −3.6 kV to −3.2 kV, but is not particularly limited to such a voltage range.

  The operation of the ion generator 10 according to the present embodiment based on the above structure will be described with reference to FIG.

  For example, the case where operation for operating the air cleaner 1 is performed by the user is assumed. By this operation, electric power is supplied to each of the blower 5 and the ion generator 10, and the operation of the blower 5 and the ion generator 10 is started.

  Therefore, since a positive voltage is applied to the positive ion generator 13 of the ion generator 10, positive ions are generated at the discharge site 17. Since a negative voltage is applied to the negative ion generator 14, electrons and negative ions are generated in the needle electrode 21.

  By the operation of the blower 5, an air flow is formed in the duct 11 from the lower end toward the upper end. Therefore, the positive ions generated in the positive ion generator 13 move in the direction in which the air flows (see white arrows in FIG. 6).

  As described with reference to FIG. 5, positive ions generated from the discharge portions 17 of the two upstream line segments among the three line segments provided along the direction in which the air of the discharge electrode 16 flows are: At least the portion of the conductive portion 18 on the most downstream line segment is passed. Therefore, a repulsive force in a direction away from the conductive portion 18 of the most downstream line segment acts on the positive ions generated from the discharge sites 17 of the two upstream line segments. As a result, the positive ions are separated from the ion generating device 10 and diffuse toward the inner wall surface of the duct 11 facing the ion generating device 10 as indicated by the broken line arrows in FIG. As a result, the concentration of positive ions in the air moving toward the needle electrode 21 is lowered. Therefore, the ratio of positive ions to hydrogen atoms in the negative ion generator 14 is lower than when the positive ions follow the path indicated by the solid line arrow in FIG.

  On the other hand, since the conductive part 18 is not interposed between the discharge part 17 on the most downstream line segment and the negative ion generator 14, the positive ions generated from the discharge part 17 are in a direction away from the ion generator 10. No repulsive force is generated.

  Moreover, since the discharge part 17 of the most downstream line segment is provided between the conductive part 18 to which the discharge part 17 is connected and the negative ion generator 14, the positive ions generated from the discharge part 17 are A repulsive force acts in a direction away from the conductive part connected to the discharge part 17 (that is, the same direction as the air flows and the direction toward the negative ion generation unit 14).

  As a result, as shown in the broken line frame in FIG. 6, positive ions generated in the discharge part 17 on the most downstream line segment circulate toward the negative ion generation unit 14. As a result, the concentration of positive ions in the air moving toward the needle electrode 21 is increased. Therefore, the rate at which positive ions become hydrogen atoms in the negative ion generator 14 is higher than when the positive ions follow the path indicated by the dashed arrow in FIG.

  As described above, according to ion generator 10 according to the present embodiment, discharge site 17 is provided at a position where conductive site 18 is not interposed between negative ion generation unit 14. Thereby, the positive ions generated from the discharge site 17 can be circulated to the negative ion generator 14 without passing through the conductive site 18. Therefore, when positive ions circulate toward the negative ion generator 14, generation of repulsive force in a direction away from the conductive portion 18 can be suppressed. Therefore, the ion generator which suppresses that the positive ion which generate | occur | produced in the positive ion generation part distribute | circulates away from a negative ion generation part, and the electric equipment provided with the ion generator can be provided.

  Furthermore, by providing the discharge part 17 between the conductive part 18 and the negative ion generation part 14, a repulsive force in the direction toward the negative ion generation part 14 can be applied to the positive ions. Therefore, positive ions can be distributed toward the negative ion generator.

  In the present embodiment, the discharge electrode 16 has been described as having a rectangular shape as a whole. However, the discharge electrode 16 is not limited to having a rectangular shape.

  For example, the shape of the discharge electrode 16 may be the shape shown in FIG. The ion generator 10 shown in FIG. 7 has the same configuration as that of the ion generator 10 shown in FIGS. 3 to 6 except for the shape of the discharge electrode 16. They are given the same reference numerals. Therefore, detailed description thereof will not be repeated.

  The discharge electrode 16 shown in FIG. 7 connects a portion formed by two parallel line segments arranged along the direction in which air flows and an upstream end of the two parallel line segments. Part formed by a line.

  In the portion formed by the left line segment of the two parallel line segments, three discharge portions 37 having a sharp shape are provided at equal intervals toward the two parallel line segments. It is done. Further, in the part formed by the left line segment, two discharge portions 37 having a sharp shape are provided toward two parallel line segments. Five discharge portions 37 having a sharp shape are provided at equal intervals in a portion formed by a line connecting the end portions of two parallel line segments. Since the shape of discharge portion 37 is the same as the shape of discharge portion 17, detailed description thereof will not be repeated. The conductive portion 38 refers to a portion of the discharge electrode 16 other than the plurality of discharge portions 37.

  The discharge site 37 included in the discharge electrode 16 shown in FIG. 7 is provided at a position where the conductive site 38 is not interposed between the discharge site 37 and the negative ion generator 14. Even in this case, the positive ions generated from the discharge part 37 can be circulated to the negative ion generator 14 without passing through the conductive part 38. Therefore, the generation of repulsive force in the direction away from the ion generator 10 can be suppressed.

  Furthermore, in a portion formed by a line connecting the end portions of two parallel line segments, a discharge portion 37 is provided between the conductive portion 38 and the negative ion generating portion 14. Therefore, a repulsive force in the direction toward the negative ion generator 14 can be applied to positive ions generated at the discharge site.

  Alternatively, the shape of the discharge electrode 16 may be the shape shown in FIG. The ion generator 10 shown in FIG. 8 has the same configuration as that of the ion generator 10 shown in FIGS. 3 to 6 except for the shape of the discharge electrode 16. They are given the same reference numerals. Therefore, detailed description thereof will not be repeated.

  The discharge electrode 16 shown in FIG. 8 includes a portion formed by one line segment arranged in a direction orthogonal to the air flow. In this portion, seven discharge portions 47 having a sharp shape are provided at equal intervals along the line segment. The seven discharge portions 47 are all provided such that their tip portions are directed in the direction in which air flows. Since the shape of discharge site 47 is the same as the shape of discharge site 17, detailed description thereof will not be repeated. The conductive portion 48 refers to a portion of the discharge electrode 16 other than the plurality of discharge portions 47.

  The discharge site 47 included in the discharge electrode 16 shown in FIG. 8 is provided at a position where the conductive site 48 is not interposed between the discharge site 47 and the negative ion generator 14. Even in this case, the positive ions generated from the discharge site 47 can be circulated to the negative ion generator 14 without passing through the conductive site 48. Therefore, the generation of repulsive force in the direction away from the ion generator 10 can be suppressed.

  Furthermore, by providing the discharge part 47 between the conductive part 48 and the negative ion generator 14, a repulsive force in the direction toward the negative ion generator 14 can be applied to the positive ions.

  Alternatively, the shape of the discharge electrode 16 may be the shape shown in FIG. The ion generator 10 shown in FIG. 9 has the same configuration as that of the ion generator 10 shown in FIGS. 3 to 6 except for the shape of the discharge electrode 16. They are given the same reference numerals. Therefore, detailed description thereof will not be repeated.

  The discharge electrode 16 shown in FIG. 9 includes a portion having a V shape that is open to the negative ion generation unit 14 side. Four discharge parts 57 having a sharp shape are provided at equal intervals in a portion formed by the left line segment of the two line segments constituting the V shape. Three discharge parts 57 having a sharp shape are provided at equal intervals in a portion formed by the right line segment of the two line segments constituting the V shape. Each of the seven discharge sites 57 is formed such that the tip portion faces the negative ion generator 14. Since the shape of discharge portion 57 is the same as the shape of discharge portion 17, detailed description thereof will not be repeated. The conductive portion 58 refers to a portion of the discharge electrode 16 other than the plurality of discharge portions 57.

  The discharge site 57 included in the discharge electrode 16 shown in FIG. 9 is provided at a position where the conductive site 58 is not interposed between the discharge site 57 and the negative ion generator 14. Even in this case, the positive ions generated from the discharge part 57 can be circulated to the negative ion generator 14 without passing through the conductive part 58. Therefore, the generation of repulsive force in the direction away from the ion generator 10 can be suppressed.

  Furthermore, by providing the discharge part 57 between the conductive part 58 and the negative ion generator 14, a repulsive force in the direction toward the negative ion generator 14 can be applied to the positive ions.

  Alternatively, the shape of the discharge electrode 16 may be the shape shown in FIG. The ion generator 10 shown in FIG. 10 has the same configuration as that of the ion generator 10 shown in FIGS. 3 to 6 except for the shape of the discharge electrode 16. They are given the same reference numerals. Therefore, detailed description thereof will not be repeated.

  The discharge electrode 16 shown in FIG. 10 connects a portion formed by two parallel line segments arranged along the air flow direction and an upstream end of the two parallel line segments. Part formed by a line.

  In each of the portions formed by the two parallel line segments, three discharge portions 67 having a sharp shape are provided at equal intervals toward the two parallel line segments. In addition, since the shape of the discharge part 67 is the same as the shape of the discharge part 17, the detailed description is not repeated. The conductive portion 68 is a portion of the discharge electrode 16 other than the plurality of discharge portions 67.

  The discharge site 67 included in the discharge electrode 16 shown in FIG. 10 is provided at a position where the conductive site 68 is not interposed between the discharge site 16 and the negative ion generator 14. Even in this case, the positive ions generated from the discharge part 67 can be circulated to the negative ion generation unit 14 without passing through the conductive part 68. Therefore, the generation of repulsive force in the direction away from the ion generator 10 can be suppressed.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

  DESCRIPTION OF SYMBOLS 1 Air cleaner, 2, 4 Suction port, 3 Housing, 5 Air blower, 6 Suction port, 7 Grill, 8 Filter, 9 Fan guard, 10 Ion generator, 11 Duct, 12 Case, 13 Positive ion generator, 14 Negative ion generator, 15, 19 dielectric, 16 discharge electrode, 17, 37, 47, 57, 67 discharge site, 18, 38, 48, 58, 68 conductive site, 20 induction electrode, 21 needle electrode, 22 protection Cover, 23 Counter electrode.

Claims (5)

A positive ion generator having a discharge electrode formed on the surface of the dielectric, and an induction electrode disposed opposite to the discharge electrode with the dielectric interposed therebetween;
A negative ion generator that generates negative ions and electrons for making the positive ions neutral.
The discharge electrode includes a conductive portion to which a positive voltage is applied, and a sharp discharge portion that is electrically connected to the conductive portion and generates positive ions,
The said discharge site | part is an ion generator provided in the position where the said electroconductive site | part does not interpose between the said negative ion generation part.   The ion generator according to claim 1, wherein the discharge part is provided between the negative ion generator and the conductive part. The positive ion is H ⁺ (H ₂ O) m (m is an arbitrary natural number),
The ion generator according to claim 1, wherein the negative ions are O ₂ ⁻ (H ₂ O) n (n is zero or any natural number).   The ion generator according to claim 1, wherein the negative ion generator includes a needle electrode. The ion generator according to any one of claims 1 to 4,
An electric device comprising: a blower that generates a flow of air from the positive ion generator to the negative ion generator.

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