Discharging device and air supply device

Abstract

Provided are: a discharge device capable of easily generating ions in different air paths; and an air blowing device provided with the discharge device. A discharge device (100) is provided with a voltage generation unit (120), a first electrode (130a), and a second electrode (130b). The first electrode (130a) is disposed in the first wind path (Wp1). A voltage is applied to the first electrode (130a) from the voltage generation unit (120). The second electrode (130b) is disposed in the second air passage (Wp2). A voltage is applied to the second electrode (130b) from the voltage generation unit (120).

Description

Technical Field

[0001] The invention relates to a discharge device and an air supply device. Background Art

[0002] Conventionally, there is known a technique for purifying the air by generating plasma discharge in the air using a discharge device (for example, Japanese Patent Application Laid-Open No. 2014-119186).

[0003] Japanese Patent Publication No. 2014-119186 discloses a discharge unit for purifying air by discharging air flowing in an air passage in an air purifier or an air conditioner. In the discharge unit of Japanese Patent Publication No. 2014-119186, a discharge device for discharging between two electrodes and a power supply device are housed in a housing component, thereby miniaturizing the discharge unit. Summary of the invention

[0004] However, in the discharge unit of Japanese Patent Application Laid-Open No. 2014-119186, discharge can only occur in a specific direction with respect to one housing member. In addition, when it is desired to generate ions in different air passages, a plurality of discharge units must be arranged.

[0005] One aspect of the present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a discharge device and an air supply device capable of simply generating ions in different air passages.

[0006] A discharge device according to one aspect of the present invention includes: a voltage generator; a first electrode disposed in a first air passage and to which a voltage is applied from the voltage generator; and a second electrode disposed in a second air passage and to which a voltage is applied from the voltage generator.

[0007] An air supply device according to one aspect of the present invention comprises: a wind generating unit that generates wind; a first wind path through which a part of the wind generated by the wind generating unit flows; a second wind path through which another part of the wind generated by the wind generating unit flows; and a discharge device that discharges in each of the first wind path and the second wind path. The discharge device comprises: a voltage generating unit; a first electrode that is disposed in the first wind path and to which a voltage is applied from the voltage generating unit; and a second electrode that is disposed in the second wind path and to which a voltage is applied from the voltage generating unit.

[0008] According to one embodiment of the present invention, ions can be easily generated in different air passages. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1A It is a schematic perspective view of the discharge device of this embodiment. Figure 1BThis is a schematic diagram of the discharge device of this embodiment in which ions are generated from different electrodes in different air paths. Figure 2 It is a schematic perspective view of the discharge device of this embodiment. Figure 3A It is a schematic perspective view of the discharge device of this embodiment. Figure 3B It is a schematic side view of the discharge device of this embodiment. Figure 4 It is a schematic exploded perspective view of the discharge device of this embodiment. Figure 5 It is a schematic perspective view of the discharge device of this embodiment. Figure 6 It is an exploded perspective view of the discharge device according to this embodiment. Fig. 7A It is an exploded perspective view of the discharge device according to this embodiment. Figure 7B It is a partial enlarged view of the discharge device of this embodiment. Fig. 8A It is a schematic perspective view for explaining the assembly of the discharge device according to the present embodiment. Figure 8B It is a schematic perspective view for explaining the assembly of the discharge device according to the present embodiment. Figure 8C It is a schematic perspective view for explaining the assembly of the discharge device according to the present embodiment. Fig.8D It is a schematic perspective view for explaining the assembly of the discharge device according to the present embodiment. Fig. 8E It is a schematic perspective view for explaining the assembly of the discharge device according to the present embodiment. Fig.8F It is a schematic perspective view for explaining the assembly of the discharge device according to the present embodiment. Fig. 9 : is a circuit diagram of the discharge device of this embodiment. Fig. 10A It is a schematic perspective view of the discharge device of this embodiment. Fig. 10B It is a schematic side view of the discharge device of this embodiment. Fig. 10C This is a schematic perspective view of a state where the discharge device of this embodiment is installed in the first air duct and the second air duct. Fig.11A It is a schematic perspective view of the discharge device of this embodiment. FIG. 11B is a schematic exploded perspective view showing the first electrode to the fourth electrode and the circuit board in the discharge device of the present embodiment. FIG11C is a schematic side view showing the first to fourth electrodes and the circuit board in the discharge device of the present embodiment. FIG11D is a schematic bottom view of the discharge device of this embodiment. Fig. 12A It is a schematic perspective view of the discharge device of this embodiment. Fig. 12B It is a schematic side view showing the first electrode to the fourth electrode and the circuit board in the discharge device of the present embodiment. Fig. 12C It is a schematic side view of the discharge device of this embodiment. Fig.12D It is a schematic bottom view of the discharge device according to this embodiment. Fig.13A It is a schematic perspective view of the discharge device of this embodiment. Fig. 13B It is a schematic diagram of electrodes in the discharge device of this embodiment. Fig.14A It is a schematic perspective view showing a first electrode, a second electrode, and a circuit board in the discharge device according to the present embodiment. Fig. 14B It is a schematic side view showing a first electrode, a second electrode, and a circuit board in the discharge device of the present embodiment. Fig. 14C It is a side view of the discharge device of this embodiment. Fig.14D It is a top view of the discharge device according to this embodiment. Fig.14E It is a side view of the discharge device of this embodiment. Fig.15A It is a schematic perspective view of the discharge device of this embodiment. Fig. 15B It is a schematic perspective view of the discharge device of this embodiment. Fig.16A It is a schematic side view of the discharge device of this embodiment. Fig. 16B 1 is a schematic plan view of the discharge device according to the present embodiment. Fig. 16C It is a schematic side view of the discharge device of this embodiment. Fig.17A This is a schematic diagram of the discharge device of this embodiment in which ions are generated from different electrodes in different air paths. Fig. 17BThis is a schematic diagram of the discharge device of this embodiment in which ions are generated from different electrodes in different air paths. Fig.18A It is a schematic diagram of the air supply device of this embodiment. Fig.18B It is a schematic diagram of the air supply device of this embodiment. Fig.19A It is a schematic diagram of a hair dryer having the discharge device according to the present embodiment. Fig.19B It is a schematic diagram of a hair dryer having the discharge device according to the present embodiment. Fig. 20 It is a schematic diagram of an air conditioner including the discharge device according to the present embodiment. Fig.21A It is a schematic perspective view of the discharge device of this embodiment. Fig. 21B This is a schematic diagram of the discharge device of this embodiment in which ions are generated from different electrodes in different air paths. Fig. 22 It is a schematic perspective view of the discharge device of this embodiment. Fig.23 It is a schematic exploded perspective view of the discharge device of this embodiment. Fig.24A It is a schematic perspective view of the discharge device of this embodiment. Fig. 24B This is a schematic diagram of the discharge device of this embodiment in which ions are generated from different electrodes in different air paths. Fig.25 It is a schematic perspective view of the discharge device of this embodiment. Fig.26 It is a schematic exploded perspective view of the discharge device of this embodiment. DETAILED DESCRIPTION

[0010] Hereinafter, an embodiment of a discharge device and a blower device according to one aspect of the present invention will be described with reference to the accompanying drawings. In addition, in the drawings, the same reference numerals are given to the same or corresponding parts, and the description thereof will not be repeated.

[0011] In this specification, in order to facilitate understanding of the present invention, mutually orthogonal X-axis, Y-axis and Z-axis are recorded. In this specification, for convenience, the direction in which the electrode of the discharge device extends is sometimes indicated in the Z-axis direction. In the figure, for ease of understanding, the X-axis, Y-axis and Z-axis of the three-dimensional orthogonal coordinate system are appropriately recorded. In one example, the positive direction of the Z-axis represents the upper direction, and the negative direction of the Z-axis represents the lower direction. However, the up and down directions, the upper direction and the lower direction are determined for the convenience of explanation and do not need to be consistent with the vertical direction. In addition, the up and down directions are defined only for the convenience of explanation, and do not limit the direction of the discharge device of one embodiment of the present invention when used and assembled. In addition, in this specification, "parallel directions" also include approximately parallel directions, and orthogonal directions also include approximately orthogonal directions. In addition, in this specification, the Z direction is sometimes recorded as the first reference direction, the Y direction is recorded as the second reference direction, and the X direction is recorded as the third reference direction.

[0012] First, refer to Figure 1A The discharge device 100 according to the present embodiment will be described. Figure 1A 1 is a schematic perspective view of the discharge device 100 according to the present embodiment.

[0013] like Figure 1A As shown, the discharge device 100 includes a housing 110, a voltage generating unit 120, a first electrode 130a, and a second electrode 130b. The housing 110 has an internal space. The housing 110 accommodates the voltage generating unit 120. The housing 110 accommodates at least a portion of the first electrode 130a and the second electrode 130b. Typically, the housing 110 is formed of an insulating material.

[0014] Here, the outer shape of the housing 110 is a substantially cubic shape. In the outer shape of the housing 110, the length along the X direction, the length along the Y direction, and the length along the Z direction are substantially equal.

[0015] The voltage generating unit 120 is disposed in the housing 110. The voltage generating unit 120 is electrically connected to the first electrode 130a and the second electrode 130b. The voltage generating unit 120 generates a voltage to be applied to the first electrode 130a and the second electrode 130b. The voltage generating unit 120 may generate a higher voltage for the input voltage.

[0016] The first electrode 130a is a conductive member. Here, the first electrode 130a is in a rod shape, and the thickness of the first electrode 130a is fixed. The first electrode 130a protrudes from the housing 110 in the first direction D1. For example, the first electrode 130a is fixed to the housing 110 and protrudes from the surface of the housing 110 in the first direction D1. The first electrode 130a extends from the surface of the housing 110 on the -Z direction side toward the -Z direction.

[0017] For example, the first electrode 130a penetrates the surface of the housing 110. The first electrode 130a protrudes from a hole provided on the surface of the housing 110. The first electrode 130a may be pressed into the hole of the housing 110.

[0018] In addition, the first electrode 130a may be held by a holding member in the housing 110. For example, the first electrode 130a may be held by a member that electrically connects the first electrode 130a and the voltage generating unit 120. Alternatively, the first electrode 130a may be held by an insulating member filled in the housing 110.

[0019] The first electrode 130a is electrically connected to the voltage generating unit 120. The voltage generated in the voltage generating unit 120 is applied to the first electrode 130a. Therefore, ions can be generated in the first electrode 130a outside the housing 110.

[0020] The second electrode 130b is a conductive member. Here, the second electrode 130b is in a rod shape, and the thickness of the second electrode 130b is fixed. The second electrode 130b protrudes from the housing 110 in the second direction D2. The second electrode 130b is fixed to the housing 110 and protrudes from the surface of the housing 110 in the second direction D2. The second electrode 130b extends from the surface of the housing 110 on the +Z direction side toward the +Z direction.

[0021] For example, the second electrode 130b penetrates the surface of the housing 110. The second electrode 130b protrudes from a hole provided on the surface of the housing 110. The second electrode 130b may be pressed into the hole of the housing 110.

[0022] In addition, the second electrode 130b may be held by a holding member in the housing 110. For example, the second electrode 130b may be held by a member that electrically connects the second electrode 130b and the voltage generating unit 120. Alternatively, the second electrode 130b may be held by an insulating member filled in the housing 110.

[0023] The second electrode 130b is electrically connected to the voltage generating unit 120. The voltage generated in the voltage generating unit 120 is applied to the second electrode 130b. Therefore, ions can be generated in the second electrode 130b outside the housing 110.

[0024] In this specification, the first electrode 130 a and the second electrode 130 b are sometimes collectively referred to as electrodes 130 .

[0025] The voltage generating unit 120 may apply only one of a voltage of one polarity (e.g., a voltage of a negative polarity) and a voltage of another polarity (e.g., a voltage of a positive polarity) to the first electrode 130a. Similarly, the voltage generating unit 120 may apply only one of a voltage of one polarity (e.g., a voltage of a negative polarity) and a voltage of another polarity (e.g., a voltage of a positive polarity) to the second electrode 130b.

[0026] For example, when the discharge device 100 is placed in the air, negative ions can be generated by applying a negative voltage to the first electrode 130a and the second electrode 130b. In one example, negative ions are oxygen ions (O2 - ) is a cluster ion [O2 - (H2O) n (n is any positive number greater than zero)]. Alternatively, by applying a positive voltage to the first electrode 130a and the second electrode 130b, positive ions can be generated. In one example, the positive ions are cluster ions [H + (H2O) m (m is an arbitrary positive number greater than zero)].

[0027] The released positive ions and negative ions surround the mold floating in the air, for example, and cause a chemical reaction on the surface of the mold. The active species of hydroxyl radicals (·OH) are generated by the chemical reaction. Then, the mold is removed by the action of the hydroxyl radicals (OH).

[0028] The first electrode 130a may be electrically connected to the second electrode 130b. Furthermore, the voltage applied to the second electrode 130b may be a voltage of the same polarity as the voltage applied to the first electrode 130a. For example, a negative voltage may be applied to the first electrode 130a and the second electrode 130b, and negative ions may be generated from the first electrode 130a and the second electrode 130b, respectively. Alternatively, a positive voltage may be applied to the first electrode 130a and the second electrode 130b, and positive ions may be generated from the first electrode 130a and the second electrode 130b, respectively.

[0029] Alternatively, a voltage having a different polarity from that applied to the first electrode 130a may be applied to the second electrode 130b. A positive voltage may be applied to one of the first electrode 130a and the second electrode 130b, and a negative voltage may be applied to the other of the first electrode 130a and the second electrode 130b.

[0030] Alternatively, the first electrode 130a and the second electrode 130b may be formed of a single conductive member. In this case, a voltage of the same polarity is applied to the first electrode 130a and the second electrode 130b.

[0031] Next, refer to Figure 1A as well as Figure 1B , the discharge device 100 of this embodiment is described. Figure 1B Schematic diagram of the discharge device 100 of the present embodiment that generates ions in the first air passage Wp1 and the second air passage Wp2.

[0032] like Figure 1B As shown, in the discharge device 100, the first electrode 130a and the second electrode 130b protrude from the housing 110 in different directions. Typically, in the discharge device 100, at least a portion of the first electrode 130a is exposed in the first air passage Wp1. The housing 110 is disposed between the first air passage Wp1 and the second air passage Wp2. In addition, in the discharge device 100, at least a portion of the second electrode 130b is exposed in the second air passage Wp2.

[0033] The first air passage Wp1 and the second air passage Wp2 extend in parallel to each other in the X direction. Here, in each of the first air passage Wp1 and the second air passage Wp2, wind flows from the -X direction to the +X direction. Figure 1B 2 shows wind Wd1 flowing through the first wind passage Wp1 and wind Wd2 flowing through the second wind passage Wp2.

[0034] As described above, the housing 110 is disposed between the first air passage Wp1 and the second air passage Wp2. Specifically, a portion of the housing 110 contacts the outer wall of the first air passage Wp1, and another portion of the housing 110 contacts the outer wall of the second air passage Wp2.

[0035] A portion of the outer wall of the first wind passage Wp1 is open, and the first electrode 130a of the discharge device 100 protrudes from the opening of the outer wall of the first wind passage Wp1. Here, the first direction D1 in which the first electrode 130a extends intersects with the wind Wd1 flowing in the first wind passage Wp1. The first direction D1 in which the first electrode 130a extends may be orthogonal to the wind Wd1 flowing in the first wind passage Wp1.

[0036] A portion of the outer wall of the second air passage Wp2 is open, and the second electrode 130b of the discharge device 100 protrudes from the opening of the outer wall of the second air passage Wp2. Here, the second direction D2 in which the second electrode 130b extends intersects with the wind Wd2 flowing through the second air passage Wp2. The second direction D2 in which the second electrode 130b extends may be orthogonal to the wind Wd2 flowing through the second air passage Wp2.

[0037] By applying a voltage to the first electrode 130a, discharge can be generated in the first electrode 130a, and ions can be generated in the first air passage Wp1. In addition, by making the first electrode 130a protrude from the housing 110, the generated ions can be prevented from adhering to the housing 110 or the outer wall of the first air passage Wp1.

[0038] In addition, by applying a voltage to the second electrode 130b, discharge can be generated in the second electrode 130b, and ions can be generated in the second air passage Wp2. In addition, since the second electrode 130b protrudes from the housing 110, it is possible to suppress the generated ions from adhering to the housing 110 or the outer wall of the second air passage Wp2. In this way, the discharge device 100 can generate ions in the first air passage Wp1 and the second air passage Wp2.

[0039] According to the present embodiment, the discharge device 100 includes a housing 110, a voltage generating unit 120, a first electrode 130a, and a second electrode 130b. The voltage generating unit 120 is disposed in the housing 110. The first electrode 130a protrudes from the housing 110 in a first direction D1. A voltage is applied to the first electrode 130a from the voltage generating unit 120. The second electrode 130b protrudes from the housing 110 in a second direction D2 different from the first direction D1. A voltage is applied to the second electrode 130b from the voltage generating unit 120.

[0040] In the discharge device 100 , the common voltage generator 120 can generate ions in different directions with respect to the housing 110 by applying voltage to the first electrode 130 a and the second electrode 130 b protruding in different directions with respect to the housing 110 .

[0041] According to the present embodiment, the discharge device 100 includes, in addition to the voltage generator 120, the first electrode 130a, and the second electrode 130b, a housing 110 that accommodates at least a portion of the first electrode 130a and the second electrode 130b, and the voltage generator 120. Thus, the voltage generator 120 that applies voltage to the first electrode 130a and the second electrode 130b can be accommodated together.

[0042] In addition, in reference Figure 1A as well as Figure 1B In the above description, the housing 110 accommodates the voltage generating unit 120 and at least a part of the electrode 130, but the present embodiment is not limited thereto. The housing accommodating the voltage generating unit 120 may be different from the housing accommodating at least a part of the electrode 130. In addition, in the above description, the housing 110 accommodates a part of each of the first electrode 130a and the second electrode 130b, but the housing accommodating a part of the first electrode 130a may be different from the housing accommodating a part of the second electrode 130b.

[0043] According to the present embodiment, the discharge device 100 includes a voltage generator 120, a first electrode 130a, and a second electrode 130b. The first electrode 130a is disposed in the first air passage Wp1. A voltage is applied to the first electrode 130a from the voltage generator 120. The second electrode 130b is disposed in the second air passage Wp2. A voltage is applied to the second electrode 130b from the voltage generator 120.

[0044] In the discharge device 100 , by supplying voltage from the common voltage generator 120 to the different electrodes 130 , ions can be generated from the different electrodes 130 toward the different air passages.

[0045] In addition, in reference Figure 1B In the description, the discharge device 100 generates ions in the first air passage Wp1 and the second air passage Wp2 that are not directly connected to each other, but the discharge device 100 may generate ions in a predetermined space that is connected to each other.

[0046] In addition, Figure 1A as well as Figure 1B In the discharge device 100 shown, the electrodes 130 extend linearly from the housing 110 in one direction, but the present embodiment is not limited thereto. The electrodes 130 may extend linearly from the housing 110 in two or more directions.

[0047] In addition, Figure 1A as well as Figure 1B In the discharge device 100 shown, the outer surface of the housing 110 is composed of a plurality of mutually orthogonal flat surfaces, but the present embodiment is not limited thereto. The outer surface of the housing 110 may also have a surface that is inclined relative to an adjacent surface. Alternatively, a concave and convex surface may be provided on the outer surface of the housing 110. Alternatively, the outer surface of the housing 110 may have a curved surface, and the first electrode 130a and the second electrode 130b may also protrude from the curved surface of the housing 110 in different directions.

[0048] In addition, Figure 1A as well as Figure 1B In the discharge device 100 shown, the first electrode 130a and the second electrode 130b are different rod-shaped members, but the present embodiment is not limited thereto. The first electrode 130a and the second electrode 130b may also be a single rod-shaped member.

[0049] Next, refer to Figure 1A , Figure 1B as well as Figure 2 , the discharge device 100 of this embodiment is described. Figure 2 It is a schematic perspective view of the discharge device 100 according to the present embodiment.

[0050] like Figure 2As shown, the discharge device 100 includes a housing 110, a voltage generating unit 120, a first electrode 130a, and a second electrode 130b. The first electrode 130a extends from the housing 110 in the -Z direction. The first electrode 130a protrudes from the housing 110 in the first direction D1. The second electrode 130b extends from the housing 110 in the +Z direction. The second electrode 130b protrudes from the housing 110 in the second direction D2.

[0051] Here, the first electrode 130a and the second electrode 130b are parts of a rod-shaped member 130R. The rod-shaped member 130R has conductivity. The rod-shaped member 130R extends linearly. The rod-shaped member 130R penetrates the housing 110 in the Z direction.

[0052] The first electrode 130a is located on the -Z direction side of the rod-shaped member 130R. The second electrode 130b is located on the +Z direction side of the rod-shaped member 130R.

[0053] The rod-shaped member 130R is electrically connected to the voltage generating unit 120. The voltage generating unit 120 applies a voltage to the rod-shaped member 130R. Here, a voltage of the same polarity is applied from the voltage generating unit 120 to the first electrode 130a and the second electrode 130b. For example, a negative voltage is applied from the voltage generating unit 120 to the first electrode 130a and the second electrode 130b. Alternatively, a positive voltage is applied from the voltage generating unit 120 to the first electrode 130a and the second electrode 130b. Alternatively, an alternating voltage whose polarity changes over time or an instantaneous pulse voltage may be applied from the voltage generating unit 120 to the first electrode 130a and the second electrode 130b.

[0054] For example, the voltage generating unit 120 may apply a voltage of only one polarity (e.g., a voltage of a negative polarity) to the first electrode 130a and the second electrode 130b. In this case, a voltage of a negative polarity may be applied to the first electrode 130a and the second electrode 130b, and negative ions may be generated from the first electrode 130a and the second electrode 130b, respectively. When the discharge device 100 is disposed in the air, negative ions may be generated by applying a voltage of a negative polarity to the first electrode 130a and the second electrode 130b.

[0055] Alternatively, the voltage generating unit 120 may apply only a voltage of the other polarity (e.g., a voltage of a positive polarity) to the first electrode 130a and the second electrode 130b. In this case, a voltage of a positive polarity may be applied to the first electrode 130a and the second electrode 130b, and positive ions may be generated from the first electrode 130a and the second electrode 130b, respectively. Positive ions may be generated by applying a voltage of a positive polarity to the first electrode 130a and the second electrode 130b.

[0056] Voltages of the same polarity are applied to the first electrode 130 a and the second electrode 130 b from the voltage generator 120 , so that ions of the same polarity can be generated in different directions with respect to the housing 110 .

[0057] According to the present embodiment, voltages of the same polarity are applied to the first electrode 130a and the second electrode 130b from the voltage generator 120. Ions of the same polarity can be generated in different air passages.

[0058] In addition, Figure 1A to Figure 2 In the discharge device 100 shown, the first electrode 130a and the second electrode 130b are in the shape of a rod with a certain thickness, but the present embodiment is not limited thereto. The thickness of the first electrode 130a and the second electrode 130b may be changed depending on the location.

[0059] Next, refer to Figure 1A to Figure 3B The discharge device 100 according to this embodiment will be described. Figure 3A is a schematic perspective view of a discharge device 100 according to this embodiment. Figure 3B It is a schematic side view of the discharge device 100 according to the present embodiment.

[0060] like Figure 3A As shown, the housing 110 has a plurality of surfaces 110p exposed to the outside. Here, the outer shape of the housing 110 is substantially a cubic shape. The plurality of surfaces 110p include a first surface 110p1 and a second surface 110p2.

[0061] The first surface 110p1 is located on the -Z direction side among the plurality of surfaces 110p. The first surface 110p1 faces the -Z direction. The second surface 110p2 is located on the +Z direction side among the plurality of surfaces 110p. The second surface 110p2 faces the +Z direction.

[0062] The first electrode 130a is needle-shaped and protrudes from the first surface 110p1 of the housing 110 in the first direction D1. The first electrode 130a penetrates the first surface 110p1 of the housing 110. At the front end of the first electrode 130a, the diameter of the first electrode 130a gradually decreases as it moves away from the housing 110.

[0063] The second electrode 130b is needle-shaped and protrudes from the second surface 110p2 of the housing 110 in the second direction D2. The second electrode 130b penetrates the second surface 110p2 of the housing 110. At the front end of the second electrode 130b, the diameter of the second electrode 130b gradually decreases as it moves away from the housing 110.

[0064] The discharge device 100 may further include a circuit board 140. For example, the circuit board 140 is a thin plate member extending in the XY plane. The circuit board 140 is disposed in the housing 110. The circuit board 140 is electrically connected to the voltage generating unit 120.

[0065] The first electrode 130a and the second electrode 130b are mounted on the circuit substrate 140. Here, the first electrode 130a extends from the circuit substrate 140 in the -Z direction. In addition, the second electrode 130b extends from the circuit substrate 140 in the +Z direction.

[0066] The circuit substrate 140 has a conductive circuit provided on an insulating substrate. The voltage generating unit 120 is electrically connected to the first electrode 130a through the circuit of the circuit substrate 140. In addition, the voltage generating unit 120 is electrically connected to the second electrode 130b through the circuit of the circuit substrate 140.

[0067] like Figure 3A and Figure 3B As shown, the first electrode 130a extends in the first direction D1 from the first surface 110p1 of the housing 110. The first electrode 130a protrudes from the first surface 110p1 of the housing 110 to the front end of the first electrode 130a by a length LD1.

[0068] The second electrode 130b extends in the second direction D2 from the second surface 110p2 of the housing 110. The second electrode 130b protrudes from the second surface 110p2 of the housing 110 toward the front end of the second electrode 130b by a length LD2.

[0069] The first electrode 130a has a first linear portion 130a1 and a front end portion 130a2. The first linear portion 130a1 protrudes in the first direction D1. The front end portion 130a2 is located on the -Z direction side relative to the first linear portion 130a1. The diameter of the front end portion 130a2 is smaller than the diameter of the first linear portion 130a1. The diameter of the front end portion 130a2 gradually decreases as it moves away from the first linear portion 130a1. Therefore, the first electrode 130a is needle-shaped.

[0070] The second electrode 130b has a second linear portion 130b1 and a front end portion 130b2. The second linear portion 130b1 protrudes in the second direction D2. The front end portion 130b2 is located on the +Z direction side relative to the second linear portion 130b1. The diameter of the front end portion 130b2 is smaller than the diameter of the second linear portion 130b1. The diameter of the front end portion 130b2 gradually decreases as it moves away from the second linear portion 130b1. Therefore, the second electrode 130b is needle-shaped.

[0071] The length LD2 of the second electrode 130b protruding from the second surface 110p2 of the housing 110 is substantially equal to the length LD1 of the first electrode 130a protruding from the first surface 110p1 of the housing 110. For example, the length LD2 is 80% or more and 120% or less relative to the length LD1. The length LD2 is 90% or more and 110% or less relative to the length LD1. Alternatively, the length LD2 may be 95% or more and 105% or less relative to the length LD1.

[0072] In addition, Figure 3A as well as Figure 3B In the embodiment, the first electrode 130a and the second electrode 130b penetrate the first surface 110p1 and the second surface 110p2 of the housing 110 which are opposite to each other. However, the first electrode 130a and the second electrode 130b may penetrate different surfaces among the plurality of surfaces 110p.

[0073] According to the present embodiment, the housing 110 has a plurality of surfaces 110p exposed to the outside. The plurality of surfaces 110p include a first surface 110p1 and a second surface 110p2. The first electrode 130a penetrates the first surface 110p1. The second electrode 130b penetrates the second surface 110p2. The first electrode 130a and the second electrode 130b can generate ions on different surfaces of the plurality of surfaces 110p of the housing 110.

[0074] The first electrode 130a includes a first linear portion 130a1 and a front end 130a2. The first linear portion 130a1 extends from the first surface 110p1 to the outside of the housing 110. The front end 130a2 is located on the first direction D1 side of the first linear portion 130a1 and is thinner than the first linear portion 130a1.

[0075] The second electrode 130b has a second linear portion 130b1 and a front end portion 130b2. The second linear portion 130b1 extends from the second surface 110p2 to the outside of the housing 110. The front end portion 130b2 is thinner than the second linear portion 130b1 at an end portion located on the second direction D2 side relative to the second linear portion 130b1. Thus, the generation efficiency of ions in the first electrode 130a and the second electrode 130b can be improved.

[0076] In the discharge device 100 of the present embodiment, the length LD1 of the first electrode 130a from the first surface 110p1 to the front end located outside the housing 110 is 80% or more and 120% or less of the length LD2 of the second electrode 130b from the second surface 110p2 to the front end located outside the housing 110. Thus, the same amount of ions can be generated on two of the multiple surfaces 110p of the housing 110.

[0077] In addition, Figure 1A to Figure 3BIn the discharge device 100 shown, the outer shape of the housing 110 is a substantially cubic shape, but the present embodiment is not limited thereto. The outer shape of the housing 110 may be a substantially rectangular parallelepiped shape whose length in the Z direction is smaller than the lengths in the X and Y directions.

[0078] Next, refer to Figure 1A to Figure 4 The discharge device 100 according to this embodiment will be described. Figure 4 It is a schematic exploded perspective view of the discharge device 100 according to the present embodiment.

[0079] like Figure 4 As shown, the housing 110 is in the shape of a thin box. The outer shape of the housing 110 is a substantially rectangular parallelepiped shape in which the length in the Z direction is smaller than the lengths in the X direction and the Y direction.

[0080] The housing 110 has a plurality of surfaces 110p exposed to the outside. Here, the plurality of surfaces 110p include a first main surface 110m1, a second main surface 110m2, and a plurality of side surfaces 110s. The plurality of side surfaces 110s are located between the first main surface 110m1 and the second main surface 110m2.

[0081] The first major surface 110m1 is located on the -Z direction side of the plurality of surfaces 110p. The first major surface 110m1 faces the -Z direction. The first major surface 110m1 has a larger area than each of the plurality of side surfaces 110s. The first electrode 130a penetrates the first major surface 110m1.

[0082] The second main surface 110m2 is located on the +Z direction side of the plurality of surfaces 110p. The second main surface 110m2 faces the +Z direction. The second main surface 110m2 has a larger area than each of the plurality of side surfaces 110s. For example, the area of ​​the second main surface 110m2 is substantially equal to the area of ​​the first main surface 110ml. The second electrode 130b penetrates the second main surface 110m2.

[0083] As described above, the plurality of side surfaces 110s are located between the first main surface 110m1 and the second main surface 110m2. Two adjacent side surfaces 110s among the plurality of side surfaces 110s are orthogonal to each other. The plurality of side surfaces 110s include a first side surface 110s1, a second side surface 110s2, a third side surface 110s3 and a fourth side surface 110s4.

[0084] The first side surface 110s1 is located on the +X direction side among the plurality of surfaces 110p. The first side surface 110s1 faces the +X direction.

[0085] The second side surface 110s2 is located on the +Y direction side among the plurality of surfaces 110p. The second side surface 110s2 faces the +Y direction.

[0086] The third side surface 110s3 is located on the -X direction side of the plurality of surfaces 110p. The third side surface 110s3 faces the -X direction. The third side surface 110s3 is opposite to the first side surface 110s1.

[0087] The fourth side surface 110s4 is located on the -Y direction side of the plurality of surfaces 110p. The fourth side surface 110s4 faces the -Y direction. The fourth side surface 110s4 is opposite to the second side surface 110s2.

[0088] In the present embodiment, the plurality of surfaces 110p include a first principal surface 110m1, a second principal surface 110m2, and a plurality of side surfaces 110s. The first principal surface 110m1 is the first surface 110p1 penetrated by the first electrode 130a. The second principal surface 110m2 is opposite to the first principal surface 110m1. The second principal surface 110m2 is the second surface 110p2 penetrated by the second electrode 130b. The plurality of side surfaces 110s are arranged between the first principal surface 110m1 and the second principal surface 110m2. Thus, ions can be efficiently generated on two opposing principal surfaces (the first principal surface 110m1 and the second principal surface 110m2) among the plurality of surfaces 110p of the housing 110.

[0089] in addition, Figure 1A to Figure 4 The discharge device 100 shown in the figure includes a first electrode 130a and a second electrode 130b as the electrode 130, but the present embodiment is not limited thereto. The discharge device 100 may include three or more electrodes.

[0090] In addition, Figure 1A to Figure 4 In the discharge device 100 shown, the first electrode 130a is located on the first surface 110p1 of the housing 110, and the second electrode 130b is located on the second surface 110p2 of the housing 110, but the present embodiment is not limited thereto. Two or more electrodes having different polarities of applied voltages may be provided on the first surface 110p1 and the second surface 110p2 of the housing 110, respectively.

[0091] Next, refer to Figure 1A to Figure 5 The discharge device 100 according to this embodiment will be described. Figure 5 1 is a schematic perspective view of the discharge device 100 according to the present embodiment.

[0092] like Figure 5As shown in FIG. 1 , the discharge device 100 includes a housing 110, a voltage generating unit 120, a first electrode 130a, a second electrode 130b, a third electrode 130c, and a fourth electrode 130d. The housing 110 accommodates the voltage generating unit 120. In addition, the housing 110 accommodates at least a portion of the first electrode 130a, the second electrode 130b, the third electrode 130c, and the fourth electrode 130d. In this specification, the first electrode 130a, the second electrode 130b, the third electrode 130c, and the fourth electrode 130d are sometimes collectively referred to as electrodes 130.

[0093] Here, the housing 110 has a thin box shape and has a first main surface 110m1, a second main surface 110m2, and a side surface 110s.

[0094] The first electrode 130 a and the third electrode 130 c extend from the first main surface 110 m 1 of the housing 110 in the −Z direction.

[0095] The second electrode 130 b and the fourth electrode 130 d extend from the second main surface 110 m 2 of the housing 110 in the +Z direction.

[0096] For example, voltages of different polarities may be applied to the first electrode 130a and the third electrode 130c from the voltage generating unit 120. For example, a voltage of one polarity is applied to the first electrode 130a from the voltage generating unit 120, and a voltage of another polarity is applied to the third electrode 130c from the voltage generating unit 120. In one example, a negative voltage is applied to the first electrode 130a from the voltage generating unit 120, and a positive voltage is applied to the third electrode 130c from the voltage generating unit 120.

[0097] The voltage generator 120 applies voltages of different polarities to the first electrode 130a and the third electrode 130c protruding from the first main surface 110m1 of the housing 110 . This allows ions of different polarities to be generated on the first main surface 110m1 of the housing 110 .

[0098] Similarly, voltages of different polarities may be applied to the second electrode 130b and the fourth electrode 130d from the voltage generating unit 120. For example, a voltage of one polarity is applied to the second electrode 130b from the voltage generating unit 120. A voltage of another polarity is applied to the fourth electrode 130d from the voltage generating unit 120. In one example, a negative voltage is applied to the second electrode 130b from the voltage generating unit 120, and a positive voltage is applied to the fourth electrode 130d from the voltage generating unit 120.

[0099] The voltage generator 120 applies voltages of different polarities to the second electrode 130b and the fourth electrode 130d protruding from the second main surface 110m2 of the housing 110. As a result, ions of different polarities can be generated on the second main surface 110m2 of the housing 110.

[0100] According to the present embodiment, the discharge device 100 includes a third electrode 130c and a fourth electrode 130d in addition to the first electrode 130a and the second electrode 130b. The third electrode 130c is on the first surface 110p1 of the housing 110 and protrudes from the housing 110 in the first direction D1. A voltage having a different polarity from that of the first electrode 130a is applied to the third electrode 130c from the voltage generating unit 120.

[0101] The fourth electrode 130d is on the second surface 110p2 of the housing 110 and protrudes from the housing 110 toward the second direction D2. A voltage having a polarity different from that of the second electrode 130b is applied to the fourth electrode 130d from the voltage generating unit 120. Thus, by having different polarities of the voltages applied to the first electrode 130a and the third electrode 130c, ions having different polarities can be generated on the first surface 110p1 of the housing 110. In addition, by having different polarities of the voltages applied to the second electrode 130b and the fourth electrode 130d, ions having different polarities can be generated on the second surface 110p2 of the housing 110.

[0102] In the discharge device 100 of the present embodiment, the housing 110 is in a box shape surrounding an internal space. The housing 110 may be composed of two members.

[0103] Next, refer to Figure 1A to Figure 6 The discharge device 100 according to this embodiment will be described. Figure 6 It is a schematic exploded perspective view of the discharge device 100 according to the present embodiment.

[0104] like Figure 6 As shown, the discharge device 100 includes a housing 110 , a voltage generator 120 , a first electrode 130 a , a second electrode 130 b , a third electrode 130 c , a fourth electrode 130 d , and a circuit board 140 . The voltage generator 120 and the circuit board 140 are disposed in the housing 110 .

[0105] The first electrode 130a, the second electrode 130b, the third electrode 130c, and the fourth electrode 130d are mounted on the circuit substrate 140. For example, the first electrode 130a and the second electrode 130b are bonded to the circuit substrate 140 by the same bonding member. In addition, the third electrode 130c and the fourth electrode 130d are bonded to the circuit substrate 140 by the same bonding member.

[0106] The housing 110 includes a housing 112 and a cover 114. The housing 112 is in a box shape with an open top surface and a recessed bottom surface exposed. The housing 112 houses the voltage generating unit 120 and the circuit substrate 140. In addition, the housing 112 houses at least a portion of each of the first electrode 130a, the second electrode 130b, the third electrode 130c, and the fourth electrode 130d.

[0107] A hole 112p and a hole 112q are provided on the bottom surface of the housing portion 112. When the circuit substrate 140 is housed in the housing portion 112, the first electrode 130a passes through the hole 112p, and the third electrode 130c passes through the hole 112q.

[0108] The cover 114 covers the storage part 112. The cover 114 contacts the side of the storage part 112. The cover 114 may be in a flat plate shape. In addition, the cover 114 may be in a concave shape with the lower surface facing the storage part 112 open.

[0109] The cover 114 is provided with a hole 114p and a hole 114q. When the housing portion 112 housing the circuit board 140 is covered with the cover 114, the second electrode 130b passes through the hole 114p, and the fourth electrode 130d passes through the hole 114q.

[0110] The voltage generating unit 120 includes a boost circuit 122 for boosting an input voltage. The boost circuit 122 includes an input substrate 122s and a transformer 122t. The input substrate 122s is arranged adjacent to the transformer 122t. The transformer 122t is located between the input substrate 122s and the circuit substrate 140. The input voltage is input to the input substrate 122s. The transformer 122t boosts the voltage input to the input substrate 122s. In addition, the winding on the secondary side of the transformer 122t is shown here, and on the other hand, in order to avoid excessive complexity of the drawings, the winding on the primary side of the transformer 122t and the input terminal are omitted. The primary winding of the transformer 122t is located on the +Y direction side relative to the secondary winding of the transformer 122t.

[0111] The circuit substrate 140 electrically connects the voltage generator 120 to the first electrode 130a, the second electrode 130b, the third electrode 130c, and the fourth electrode 130d. The voltage generated in the voltage generator 120 is applied to the first electrode 130a, the second electrode 130b, the third electrode 130c, and the fourth electrode 130d via the circuit substrate 140.

[0112] As described above, the voltage generating unit 120 includes the booster circuit 122 including a transformer for boosting an input voltage. The booster circuit 122 includes the first output terminal 122a electrically connected to the first electrode 130a and the second electrode 130b.

[0113] The circuit substrate 140 includes an insulating substrate 141, a circuit 142, a diode 143, and a diode 144. The insulating substrate 141 is an insulating thin plate. The circuit 142 is a conductive thin wire. The circuit 142 is disposed on the insulating substrate 141. The circuit 142 is connected to the first output terminal 122a of the booster circuit 122.

[0114] The diode 143 and the diode 144 are arranged on the circuit 142. Typically, the diode 143 and the diode 144 are electrically connected via the circuit 142.

[0115] A voltage of one polarity among the voltages input to the circuit 142 passes through the diode 143. The voltage passed through the diode 143 is applied to the first electrode 130a and the second electrode 130b.

[0116] In addition, a voltage of the other polarity among the voltages input to the circuit 142 passes through the diode 144. The voltage that has passed through the diode 144 is applied to the third electrode 130c and the fourth electrode 130d.

[0117] According to the present embodiment, the housing 110 includes the housing portion 112 and the cover 114. The housing portion 112 houses the voltage generating unit 120 and the circuit board 140. The cover 114 covers the housing portion 112. Thus, the discharge device 100 can be easily assembled.

[0118] The discharge device 100 includes a housing 110, a voltage generator 120, and an electrode 130, and further includes a circuit substrate 140. The circuit substrate 140 is disposed in the housing 110. A first electrode 130a and a second electrode 130b are provided on the circuit substrate 140. Thus, in the housing 110, the first electrode 130a and the second electrode 130b can be mounted on the circuit substrate 140 provided with a circuit 142 that electrically connects the voltage generator 120 and the first electrode 130a and the second electrode 130b.

[0119] The voltage generating unit 120 includes a booster circuit 122 including a transformer 122t for boosting an input voltage. The booster circuit 122 includes a first output terminal 122a electrically connected to the first electrode 130a and the second electrode 130b. Thus, the boosted voltage in the housing 110 can be applied to the first electrode 130a and the second electrode 130b.

[0120] According to the present embodiment, the discharge device 100 includes a third electrode 130c and a fourth electrode 130d in addition to the voltage generator 120, the first electrode 130a, and the second electrode 130b. The third electrode 130c protrudes from the first main surface 110m1 of the housing 110 in the first direction D1 in the same manner as the first electrode 130a, and is therefore arranged in the first air passage Wp1 in the same manner as the first electrode 130a. A voltage having a different polarity from that of the first electrode 130a is applied to the third electrode 130c from the voltage generator 120.

[0121] In addition, the fourth electrode 130d protrudes from the second main surface 110m2 of the housing 110 in the second direction D2 in the same manner as the second electrode 130b, so the fourth electrode 130d is arranged in the second air passage Wp2 in the same manner as the second electrode 130b. A voltage having a different polarity from that of the second electrode 130b is applied to the fourth electrode 130d from the voltage generating unit 120. By having different polarities of the voltages supplied to the first electrode 130a and the third electrode 130c, ions having different polarities can be generated in the first air passage Wp1. In addition, by having different polarities of the voltages supplied to the second electrode 130b and the fourth electrode 130d, ions having different polarities can be generated in the second air passage Wp2.

[0122] According to the present embodiment, the voltage generating unit 120 includes the boost circuit 122 including a transformer for boosting the input voltage. Thus, the voltage generating unit 120 can generate a boosted voltage.

[0123] In the discharge device 100 , discharge occurs according to a voltage indicating a difference between a potential applied to the electrode 130 and a potential around the electrode 130 , thereby generating ions. The discharge device 100 may include a component indicating a potential serving as a reference with respect to the potential of the electrode 130 .

[0124] Next, refer to Figure 1A to Figure 7B The discharge device 100 according to this embodiment will be described. Fig. 7A It is a schematic exploded perspective view of the discharge device 100 according to the present embodiment. Figure 7B yes Fig. 7A The electrode 130, the circuit substrate 140 and the electrode substrate 150 are partially enlarged. Fig. 7A The discharge device 100 has the following features except that it further includes an electrode substrate 150 and an insulating member 170. Figure 6 The discharge device 100 has the same structure, and repeated description is omitted for the purpose of avoiding redundant description.

[0125] like Fig. 7AAs shown, the discharge device 100 includes an electrode substrate 150. The electrode substrate 150 is accommodated in the housing portion 112. The electrode substrate 150 is arranged at a position away from the circuit substrate 140 and overlaps with the circuit substrate 140. The electrode substrate 150 is electrically connected to the voltage generating portion 120. The electrode substrate 150 indicates a potential that serves as a reference with respect to the potential of the electrode 130.

[0126] As described above, the booster circuit 122 includes the first output terminal 122 a . The first output terminal 122 a is electrically connected to the circuit 142 of the circuit substrate 140 .

[0127] The boost circuit 122 has a second output terminal 122b in addition to the first output terminal 122a. The first output terminal 122a is located on one side of the secondary coil of the transformer 122t, and the second output terminal 122b is located on the other side of the secondary coil of the transformer 122t. The second output terminal 122b is electrically connected to the electrode substrate 150.

[0128] The electrode substrate 150 includes an insulating substrate 151 and a sensing electrode 152. The insulating substrate 151 is a thin insulating substrate. The sensing electrode 152 is located on the main surface of the insulating substrate 151. For example, the sensing electrode 152 is located on both the +Z direction side and the -Z direction side of the insulating substrate 151, but the sensing electrode 152 may be located only on the +Z direction side or only on the -Z direction side of the insulating substrate 151.

[0129] The sensing electrode 152 is electrically connected to the voltage generating unit 120. Preferably, a potential having a greater potential difference than the potential applied to the electrode 130 is applied to the sensing electrode 152. The sensing electrode 152 is electrically connected to the second output terminal 122b. In addition, the second output terminal 122b may also be electrically connected to the ground of the input terminal included in the booster circuit 122.

[0130] Therefore, it is possible to stably generate discharge while reducing the influence of the surrounding environment based on the voltage indicating the difference between the potential applied to the electrode 130 and the potential of the electrode substrate 150. Thus, ions can be stably generated.

[0131] The discharge device 100 includes an insulating member 170. The insulating member 170 has insulating properties. The insulating member 170 is accommodated in the housing portion 112. The insulating member 170 is filled in the housing portion 112 in a state where the voltage generating unit 120, the circuit substrate 140, and the electrode substrate 150 are arranged in the housing portion 112. For example, the insulating member 170 is formed of an insulating curable resin.

[0132] In this embodiment, the boost circuit 122 has, in addition to the first output terminal 122a, a second output terminal 122b electrically connected to the sensing electrode 152. Thus, a potential having a large potential difference from the potential applied to the first electrode 130a and the second electrode 130b can be stably applied to the sensing electrode 152, thereby improving the efficiency of ion generation in the first electrode 130a and the second electrode 130b. The sensing electrode 152 is provided on an electrode substrate 150 different from the circuit substrate 140 on which the first electrode 130a and the second electrode 130b are mounted.

[0133] Next, refer to Figure 1A to Figure 8F , the assembly of the discharge device 100 according to the present embodiment will be described. Figure 8A to Figure 8F It is a schematic perspective view for explaining the assembly of the discharge device 100 .

[0134] like Fig. 8A As shown, the housing portion 112, the cover 114, the voltage generating portion 120, the first electrode 130a, the second electrode 130b, the third electrode 130c, the fourth electrode 130d and the circuit board 140 are prepared. The housing portion 112 has holes 112p and 112q on its bottom surface.

[0135] The circuit board 140 includes an insulating substrate 141 , a circuit 142 , a diode 143 , and a diode 144 . The insulating substrate 141 is an insulating thin plate. The circuit 142 is a conductive thin wire. The circuit 142 is disposed on the insulating substrate 141 .

[0136] The insulating substrate 141 is provided with a hole 141p and a hole 141q. The hole 141p penetrates the insulating substrate 141 in the thickness direction. Similarly, the hole 141q penetrates the insulating substrate 141 in the thickness direction.

[0137] The diode 143 and the diode 144 are disposed on the insulating substrate 141. Typically, the diode 143 and the diode 144 are electrically connected via the circuit 142.

[0138] The diode 143 transfers the voltage on one side to the other side. In addition, the diode 143 transfers a voltage of one polarity among the voltages generated in the voltage generating unit 120 .

[0139] Likewise, the diode 144 transmits the voltage on one side to the other side. In addition, the diode 144 transmits a voltage of one polarity among the voltages generated in the voltage generating unit 120 .

[0140] like Figure 8BAs shown, the first electrode 130a passes through the hole 112p of the receiving portion 112, and the third electrode 130c passes through the hole 112q of the receiving portion 112. Here, the inner diameter of the hole 112p of the receiving portion 112 is substantially equal to the diameter of the first electrode 130a. Therefore, the first electrode 130a contacts the inner periphery of the hole 112p of the receiving portion 112, and the first electrode 130a is pressed into the hole 112p of the receiving portion 112.

[0141] The inner diameter of the hole 112q of the housing portion 112 is substantially equal to the diameter of the third electrode 130c. Therefore, the third electrode 130c contacts the inner periphery of the hole 112q of the housing portion 112 and is pressed into the hole 112q of the housing portion 112.

[0142] like Figure 8C As shown, the voltage generating unit 120 and the circuit board 140 are arranged in the housing portion 112. The voltage generating unit 120 includes a booster circuit 122. The booster circuit 122 includes an input substrate 122s and a transformer 122t.

[0143] The first electrode 130a and the third electrode 130c are mounted on the circuit substrate 140. The second electrode 130b and the fourth electrode 130d are mounted on the circuit substrate 140. Then, a cover is mounted on the front end of the first electrode 130a, the second electrode 130b, the third electrode 130c, and the fourth electrode 130d for protection. Here, the second electrode 130b is electrically connected to the first electrode 130a. The fourth electrode 130d is electrically connected to the third electrode 130c.

[0144] like Fig.8D As shown, an electrode substrate 150 is further configured. The electrode substrate 150 includes an insulating substrate 151 and a sensing electrode 152. The electrode substrate 150 is configured to overlap the circuit substrate 140 at a position away from the circuit substrate 140 in the +Z direction. The sensing electrode 152 of the electrode substrate 150 is electrically connected to the second output terminal 122b of the boost circuit 122.

[0145] like Fig. 8E As shown, a liquid curable resin material is injected into the housing portion 112. The housing portion 112 that accommodates the voltage generating portion 120, the circuit substrate 140, and the electrode substrate 150 is filled with the curable resin material. The curable resin may be a heat-curable epoxy resin.

[0146] like Fig.8F As shown, the curable resin material is cured in the housing 112. The curing of the curable resin material forms the insulating member 170. The insulating member 170 fills the interior of the housing 110. The insulating member 170 can suppress the electrical connection in the housing 110 from being changed due to the adhesion of dust or the like.

[0147] Typically, the curing of the curable resin material is performed by light or heat. After that, the housing portion 112 housing the voltage generating portion 120, the circuit substrate 140, and the electrode substrate 150 is covered with the cover 114. At this time, the second electrode 130b penetrates the hole 114p of the cover 114, and the fourth electrode 130d penetrates the hole 114q of the cover 114. Thus, the discharge device 100 can be assembled.

[0148] According to the present embodiment, the discharge device 100 further includes an insulating member 170. The insulating member 170 is disposed in the housing portion 112. The insulating member 170 covers the first electrode 130a, the second electrode 130b, and the circuit substrate 140. Thus, unexpected abnormal discharge (leakage) in the first electrode 130a, the second electrode 130b, and the circuit substrate 140 can be suppressed in the housing portion 112.

[0149] In addition, according to the present embodiment, a hole 112p through which the first electrode 130a passes is provided in the housing portion 112. At least a portion of the first electrode 130a is in contact with the inner periphery of the hole 112p in the housing portion 112. Thus, by pressing the first electrode 130a into the hole 112p of the housing portion 112, the first electrode 130a can be fixed to the housing portion 112. In addition, when a curable resin is used as the insulating member 170, it is possible to suppress the curable resin from leaking from the hole 112p through which the first electrode 130a passes before the curable resin is cured.

[0150] Next, refer to Figure 1A to Figure 9 , the discharge device 100 of this embodiment is described. Fig. 9 is a circuit diagram of the discharge device 100 .

[0151] like Fig. 9 As shown, the discharge device 100 includes a voltage generator 120 , a first electrode 130 a , a second electrode 130 b , a third electrode 130 c , a fourth electrode 130 d , a circuit 142 , a diode 143 , a diode 144 , and an induction electrode 152 .

[0152] The voltage generating unit 120 includes a booster circuit 122. The booster circuit 122 has a first output terminal 122a and a second output terminal 122b. The first output terminal 122a is located at one side of the secondary coil, and the second output terminal 122b is located at the other side of the secondary coil.

[0153] The boost circuit 122 boosts the AC voltage input as the input voltage. In this case, the voltage indicating the potential of the first output terminal 122a relative to the potential of the second output terminal 122b becomes the AC voltage.

[0154] The first output terminal 122 a is electrically connected to the circuit 142 of the circuit substrate 140 . The second output terminal 122 b is electrically connected to the sensing electrode 152 of the electrode substrate 150 .

[0155] The first output terminal 122a is electrically connected to the first electrode 130a and the second electrode 130b via the diode 143. The diode 143 allows a voltage of one polarity to pass with respect to the potential of the sensing electrode 152.

[0156] The first output terminal 122a is electrically connected to the third electrode 130c and the fourth electrode 130d via the diode 144. The diode 144 allows a voltage of the other polarity to pass with respect to the potential of the sensing electrode 152.

[0157] For example, when the diode 143 passes a negative voltage to the sensing electrode 152, the diode 144 passes a positive voltage to the sensing electrode 152. In this case, a negative voltage can be applied from the voltage generating unit 120 to the first electrode 130a and the second electrode 130b, and a positive voltage can be applied from the voltage generating unit 120 to the third electrode 130c and the fourth electrode 130d.

[0158] In addition, Figure 1A to Figure 8F In the discharge device 100 shown, the outer shape of the housing 110 is a cube or a cuboid, and the exposed surfaces of the housing 110 are perpendicular to the adjacent surfaces, but the present embodiment is not limited thereto. The housing 110 may have surfaces inclined relative to the adjacent surfaces.

[0159] Next, refer to Figures 10A to 10C The discharge device 100 according to the present embodiment will be described. Fig. 10A 1 is a schematic perspective view of the discharge device 100 according to the present embodiment. Fig. 10B 1 is a schematic side view of the discharge device 100 according to the present embodiment. Fig. 10C It is a schematic exploded perspective view showing a state where the discharge device 100 of the present embodiment is mounted in the first air passage Wp1 and the second air passage Wp2 .

[0160] like Fig. 10A as well as Fig. 10B As shown, the housing 110 has a plurality of surfaces 110p. The plurality of surfaces 110p include a first main surface 110m1, a second main surface 110m2, and a plurality of side surfaces 110s. The plurality of side surfaces 110s include a first side surface 110s1, a second side surface 110s2, a third side surface 110s3, and a fourth side surface 110s4.

[0161] The first electrode 130a and the third electrode 130c protrude in the first direction D1 from the first main surface 110m1 of the housing 110. The second electrode 130b and the fourth electrode 130d protrude in the second direction D2 from the second main surface 110m2 of the housing 110.

[0162] As described above, the housing 110 has a substantially rectangular parallelepiped shape that is thin in the Z direction. Therefore, the short side direction of the housing 110 is parallel to the Z direction. Here, the Z direction is referred to as the first reference direction Rd1. The first reference direction Rd1 is the direction in which the first principal surface 110m1 and the second principal surface 110m2 face each other.

[0163] The first side surface 110s1 is located on the +X direction side of the plurality of side surfaces 110s and faces the +X direction. The short side direction of the first side surface 110s1 is the first reference direction Rd1, and the long side direction of the first side surface 110s1 is the second reference direction Rd2.

[0164] The second side surface 110s2 is located on the +Y direction side of the side surfaces 110s and faces the +Y direction. The short side direction of the second side surface 110s2 is the first reference direction Rd1, and the long side direction of the second side surface 110s2 is the third reference direction Rd3.

[0165] The third side surface 110s3 is located on the -X direction side of the plurality of side surfaces 110s and faces the -X direction. The short side direction of the third side surface 110s3 is the first reference direction Rd1, and the long side direction of the third side surface 110s3 is the second reference direction Rd2.

[0166] The fourth side surface 110s4 is located on the -Y direction side of the plurality of side surfaces 110s and faces the -Y direction. The short side direction of the fourth side surface 110s4 is the first reference direction Rd1, and the long side direction of the fourth side surface 110s4 is the third reference direction Rd3.

[0167] The plurality of surfaces 110p include: an inclined surface 110n1 continuous with the first principal surface 110m1 and the second side surface 110s2; and an inclined surface 110n2 continuous with the first principal surface 110m1 and the fourth side surface 110s4. The inclined surface 110n1 is inclined with respect to the first principal surface 110m1 and the second side surface 110s2, respectively. The inclined surface 110n2 is inclined with respect to the first principal surface 110m1 and the fourth side surface 110s4, respectively. In this specification, the inclined surface 110n1 and the inclined surface 110n2 are sometimes collectively referred to and recorded as the inclined surface 110n.

[0168] In addition, Fig. 10A and Fig. 10BIn the discharge device 100 shown, the plurality of surfaces 110p have the inclined surface 110n1 and the inclined surface 110n2, but the plurality of surfaces 110p may have only one of the inclined surface 110n1 and the inclined surface 110n2. For example, the plurality of surfaces 110p may have the inclined surface 110n1 inclined with respect to the first principal surface 110m1 and the second side surface 110s2, respectively, between the first principal surface 110m1 and the second side surface 110s2, and the first principal surface 110m1 and the fourth side surface 110s4 are orthogonal to and in contact with each other. Alternatively, the plurality of surfaces 110p may have the inclined surface 110n2 inclined with respect to the first principal surface 110m1 and the fourth side surface 110s4, respectively, between the first principal surface 110m1 and the fourth side surface 110s4, and the first principal surface 110m1 and the second side surface 110s2 are orthogonal to and in contact with each other. In addition, although the inclined surface 110n is provided continuously to the first main surface 110m1 here, the inclined surface 110n may be provided continuously to the second main surface 110m2.

[0169] The plurality of side surfaces 110s include a first side surface 110s1, a second side surface 110s2, a third side surface 110s3, and a fourth side surface 110s4. The first side surface 110s1 has a second reference direction Rd2 intersecting with the first reference direction Rd1 as a long side direction, and the first reference direction Rd1 is a direction in which the first main surface 110m1 and the second main surface 110m2 are opposite. The second side surface 110s2 has a third reference direction Rd3 intersecting with the first reference direction Rd1 and the second reference direction Rd2 as a long side direction. The second side surface 110s2 is connected to the first side surface 110s1.

[0170] The third side surface 110s3 has the second reference direction Rd2 as its long side direction. The third side surface 110s3 is connected to the second side surface 110s2. The fourth side surface 110s4 has the third reference direction Rd3 as its long side direction. The fourth side surface 110s4 is connected to the third side surface 110s3 and the first side surface 110s1.

[0171] The length of each of the second side surface 110s2 and the fourth side surface 110s4 in the third reference direction Rd3 is greater than the length of each of the first side surface 110s1 and the third side surface 110s3 in the second reference direction Rd2.

[0172] The inclined surface 110n is continuous with one of the first main surface 110m1 and the second main surface 110m2 and at least one of the second side surface 110s2 and the fourth side surface 110s4. Thus, the inclined surface 110n is provided along the longitudinal direction of the housing 110, so that a large area of ​​the inclined surface can be ensured.

[0173] like Fig. 10A as well as Fig. 10BAs shown, the discharge device 100 may be asymmetrically configured with respect to a plane parallel to the XY plane. Thus, the discharge device 100 can be prevented from being mounted in an unexpected orientation relative to the housing mounting portion, depending on the shape of the housing mounting portion of the housing 110 to which the discharge device 100 is mounted.

[0174] like Figures 10A to 10C As shown, the discharge device 100 is fixed to the first air passage Wp1 and the second air passage Wp2. In the discharge device 100, the first electrode 130a and the third electrode 130c are arranged in the first air passage Wp1, and the second electrode 130b and the fourth electrode 130d are arranged in the second air passage Wp2.

[0175] A partition wall Pw is provided at the boundary between the first air passage Wp1 and the second air passage Wp2 to prevent the first air passage Wp1 from communicating with the second air passage Wp2, and a case mounting portion 800 is provided on the partition wall Pw. The case 110 of the discharge device 100 is mounted on the case mounting portion 800. The case 110 is mounted on the case mounting portion 800 along the third reference direction Rd3.

[0176] The box mounting portion 800 has a first side wall 802, a second side wall 804, a connecting wall 806, an inclined wall 803, and an inclined wall 805. The first side wall 802 extends in the first reference direction Rd1 and the third reference direction Rd3 of the box 110. When the box 110 is mounted on the box mounting portion 800, the first side wall 802 is opposite to the fourth side surface 110s4 of the box 110.

[0177] The second side wall 804 extends in the first reference direction Rd1 and the third reference direction Rd3 of the box 110. When the box 110 is mounted on the box mounting portion 800, the second side wall 804 faces the second side surface 110s2 of the box 110.

[0178] The connection wall 806 extends in the second reference direction Rd2 and the third reference direction Rd3 of the housing 110. When the housing 110 is mounted on the housing mounting portion 800, the connection wall 806 faces the first main surface 110m1 of the housing 110.

[0179] The inclined wall 803 connects the first side wall 802 and the connecting wall 806. The inclined wall 803 is inclined with respect to the first side wall 802 and the connecting wall 806. When the box 110 is mounted on the box mounting portion 800, the inclined wall 803 faces the inclined surface 110n2 of the box 110.

[0180] The inclined wall 805 connects the second side wall 804 and the connecting wall 806. The inclined wall 805 is inclined relative to the second side wall 804 and the connecting wall 806. When the case 110 of the discharge device 100 is mounted on the case mounting portion 800, the inclined wall 805 faces the inclined surface 110n1 of the case 110.

[0181] According to the present embodiment, the plurality of surfaces 110p, in addition to the first principal surface 110m1, the second principal surface 110m2, and the first to fourth side surfaces 110s1 to 110s4, further include an inclined surface 110n, which is continuous with one of the first principal surface 110m1 and the second principal surface 110m2 and at least one of the plurality of side surfaces 110s. The inclined surface 110n is inclined relative to one of the first principal surface 110m1 and the second principal surface 110m2 and at least one of the plurality of side surfaces 110s. The inclined surface 110n can increase the area of ​​the box mounting portion 800 on which the box 110 is mounted and the box 110, and can improve the position accuracy of the box 110.

[0182] Furthermore, according to the present embodiment, the shape of the case mounting portion 800 of the case 110 to which the discharge device 100 is mounted can prevent the discharge device 100 from being mounted in a different orientation with respect to the case mounting portion 800 .

[0183] As described above, the input voltage is input from the outside to the discharge device 100. In this case, the housing 110 may be provided with a mounting portion to which a connector for inputting the input voltage from the outside is mounted.

[0184] Next, refer to Figure 1A to Figure 11D The discharge device 100 according to the present embodiment will be described. Fig.11A 1 is a schematic perspective view of the discharge device 100 according to the present embodiment. Fig. 11B It is a schematic exploded perspective view of the circuit substrate 140 and the first to fourth electrodes 130 a to 130 d in the discharge device 100 of the present embodiment. Fig. 11C It is a schematic side view of the circuit board 140 and the first electrode 130 a to the fourth electrode 130 d in the discharge device 100 of the present embodiment. Fig.11D It is a schematic bottom view of the discharge device 100 according to the present embodiment.

[0185] like Fig.11A As shown, a connector mounting portion 110c is provided on the housing 110. The connector is mounted on the connector mounting portion 110c. If the connector is mounted on the connector mounting portion 110c, the connector is connected to the input substrate 122s ( Figure 6 )Enter the input voltage.

[0186] Here, the connector mounting portion 110c is located between the third side surface 110s3 and the fourth side surface 110s4. The connector mounting portion 110c extends in the -X direction. Therefore, the connector can be mounted on the connector mounting portion 110c by moving the connector in the +X direction relative to the connector mounting portion 110c.

[0187] The first electrode 130a, the second electrode 130b, the third electrode 130c and the fourth electrode 130d are located on the +X direction side of the first main surface 110m1 and the second main surface 110m2 in the housing 110. On the other hand, the connector mounting portion 110c is located on the -X direction side of the first main surface 110m1 and the second main surface 110m2 in the housing 110.

[0188] like Fig. 11B As shown, a hole 141p and a hole 141q are provided in an insulating substrate 141 of a circuit substrate 140. Here, in order to avoid excessive complication of the drawing, the insulating substrate 141, the hole 141p, and the hole 141q are shown in the circuit substrate 140.

[0189] like Fig. 11B and Fig. 11C As shown in FIG. 1 , the first electrode 130 a and the second electrode 130 b are inserted into the hole 141 p of the insulating substrate 141 . Also, the third electrode 130 c and the fourth electrode 130 d are inserted into the hole 141 q of the insulating substrate 141 .

[0190] like Fig.11A and Fig.11D As shown, a connector mounting portion 110c for mounting a connector is provided on the box 110. The connector mounting portion 110c is located between the third side surface 110s3 on the -X direction side and the fourth side surface 110s4 on the -Y direction side in the box 110.

[0191] In this embodiment, the third side surface 110s3 of the housing 110 is provided with a connector mounting portion 110c, to which a connector for inputting an input voltage to the voltage generating unit 120 can be mounted. Thus, in the housing 110, when the connector is mounted on the connector mounting portion 110c, the length of the guide for moving the connector in the +X direction can be sufficiently ensured, and the connector mounting accuracy can be improved.

[0192] In addition, Figure 1A to Figure 11D In the discharge device 100 shown, the first electrode 130 a and the second electrode 130 b protrude from two opposing surfaces of the housing 110 , but the present embodiment is not limited thereto. The first electrode 130 a and the second electrode 130 b may protrude from non-opposing surfaces of the housing 110 .

[0193] Next, refer to Figure 1A to Figure 12D The discharge device 100 according to the present embodiment will be described. Fig. 12A 1 is a schematic perspective view of the discharge device 100 according to the present embodiment. Fig. 12B It is a schematic side view of the circuit board 140 and the electrode 130 in the discharge device 100 of the present embodiment. Fig. 12C 1 is a schematic side view of the discharge device 100 according to the present embodiment. Fig.12D It is a schematic bottom view of the discharge device 100 according to the present embodiment.

[0194] like Fig. 12A As shown, the first electrode 130a protrudes from the first side surface 110s1 of the housing 110 in the +X direction, and the second electrode 130b extends from the second main surface 110m2 of the housing 110 in the +Z direction. Therefore, the first direction D1 in which the first electrode 130a protrudes from the housing 110 is orthogonal to the second direction D2 in which the second electrode 130b protrudes from the housing 110.

[0195] Furthermore, the third electrode 130 c protrudes from the first side surface 110 s 1 of the housing 110 in the +X direction, and the fourth electrode 130 d extends from the second main surface 110 m 2 of the housing 110 in the +Z direction.

[0196] like Fig. 12B As shown in FIG. 1 , the electrodes 130 are mounted on an insulating substrate 141 . The first electrode 130 a is mounted parallel to the main surface of the insulating substrate 141 . Similarly, the third electrode 130 c is also mounted parallel to the main surface of the insulating substrate 141 .

[0197] The second electrode 130 b is mounted so as to be perpendicular to the main surface of the insulating substrate 141 . Similarly, the fourth electrode 130 d is also mounted so as to be perpendicular to the main surface of the insulating substrate 141 .

[0198] like Fig. 12A and Fig. 12C As shown, the first electrode 130a and the third electrode 130c protrude in the +X direction from the first side surface 110s1 of the housing 110. Therefore, discharge can be generated on the first side surface 110s1 of the housing 110 by the first electrode 130a and the third electrode 130c, thereby generating ions.

[0199] The second electrode 130b and the fourth electrode 130d extend in the +Z direction from the second principal surface 110m2 of the housing 110. Therefore, the second electrode 130b and the fourth electrode 130d can generate discharge on the second principal surface 110m2 of the housing 110 and generate ions.

[0200] like Fig.12DAs shown, a connector mounting portion 110c for mounting a connector is provided on the box 110. The connector mounting portion 110c is located between the third side surface 110s3 on the -X direction side and the fourth side surface 110s4 on the -Y direction side in the box 110.

[0201] In addition, Figure 1A to Figure 12D In the illustrated discharge device 100 , the electrode 130 is in a rod shape or a needle shape, but the present embodiment is not limited thereto and the electrode 130 may be in other shapes.

[0202] Next, refer to Figure 1A to Figure 13B The discharge device 100 according to the present embodiment will be described. Fig.13A is a schematic perspective view of a discharge device 100 according to this embodiment. Fig. 13B yes Fig.13A Schematic diagram of the electrode 130 in the discharge device 100.

[0203] like Fig.13A As shown, the discharge device 100 includes a housing 110, a first electrode 130a, and a second electrode 130b. The housing 110 has an internal space. The housing 110 accommodates the voltage generating unit 120. The first electrode 130a and the second electrode 130b are brush-shaped discharge electrodes. The front ends of the first electrode 130a and the second electrode 130b are brush-shaped.

[0204] Fig. 13B As shown in the figure, the electrode 130 has a plurality of linear conductors 131, a base end portion 132 on which the plurality of conductors 131 are mounted, and a front end portion 133 in which the conductors 131 are separated into a brush shape. The front end portion 133 is formed by the conductor 131 which is closer to the front end than the base end portion 132. More specifically, the front end portion 133 represents a portion from the front end of the conductor 131 formed in a brush shape to the connection end (contact end) with the base end portion 132. In addition, the linear conductor 131 may also be in a filament shape, a fiber shape, or a metal wire shape.

[0205] The front end portion 133 is formed of a conductive material such as metal, carbon fiber, conductive fiber, conductive resin, etc. The outer diameter of each of the plurality of conductors 131 in the front end portion 133 is greater than or equal to 5 μm and less than or equal to 30 μm. The conductor 131 may be carbon fiber or conductive fiber made of SUS (stainless steel).

[0206] The base end portion 132 has a function of mounting the electrode 130 on the circuit board 140 ( Figure 5 and a bundling portion 132b for bundling a plurality of conductors 131 in the front end portion 133 through the above-mentioned connecting end.

[0207] In addition, Figure 1A to Figure 13BIn the discharge device 100 shown, the linear electrode 130 protrudes from the housing 110 in a straight line, but the present embodiment is not limited thereto. The linear electrode 130 may protrude from the housing 110 while changing its direction.

[0208] Next, refer to Figure 1A to Figure 14E The discharge device 100 according to the present embodiment will be described. Fig.14A It is a schematic perspective view of the insulating substrate 141 , the first electrode 130 a , and the second electrode 130 b in the discharge device 100 of the present embodiment. Fig. 14B 1 is a schematic side view of the insulating substrate 141 , the first electrode 130 a , and the second electrode 130 b in the discharge device 100 of the present embodiment. Fig. 14C 1 is a schematic side view of the discharge device 100 according to the present embodiment. Fig.14D 1 is a schematic plan view of the discharge device 100 according to the present embodiment. Fig.14E It is a schematic side view of the discharge device 100 according to the present embodiment.

[0209] like Fig.14A As shown in FIG. 1 , the first electrode 130a and the second electrode 130b are brush-shaped discharge electrodes. The ends of the first electrode 130a and the second electrode 130b are located in the hole 141h of the insulating substrate 141. Here, the first electrode 130a has two ends extending in the Z direction and a middle portion extending in the X direction between the two ends. Similarly, the second electrode 130b has two ends extending in the Z direction and a middle portion extending in the X direction between the two ends.

[0210] like Fig.14A and Fig. 14B As shown, the first electrode 130a extends in the -Z direction relative to the insulating substrate 141, then extends in the -X direction, and then extends in the -Z direction. In addition, the second electrode 130b extends in the +Z direction relative to the insulating substrate 141, then extends in the +X direction, and then extends in the +Z direction.

[0211] like Figure 14C to Figure 14E As shown, the first electrode 130a protrudes in the -X direction along the first main surface 110m1 outside the housing 110, and further extends in the -Z direction at a position opposite to the first main surface 110m1 of the housing 110. The second electrode 130b protrudes in the +X direction along the second main surface 110m2 outside the housing 110, and further extends in the +Z direction at a position not opposite to the second main surface 110m2 of the housing 110.

[0212] In addition, Figure 1A to Figure 14EIn the discharge device 100 shown, since the electrode 130 protrudes from the housing 110 , if a component other than the discharge device 100 is located near the periphery of the housing 110 , the electrode 130 may come into contact with the other component.

[0213] Next, refer to Figure 1A to Figure 15B The discharge device 100 according to this embodiment will be described. Fig.15A as well as Fig. 15B It is a schematic perspective view of the discharge device 100 according to the present embodiment.

[0214] like Fig.15A As shown, the discharge device 100 of the present embodiment includes a housing 110 , a first electrode 130 a , a second electrode 130 b , a third electrode 130 c , and a fourth electrode 130 d .

[0215] The housing 110 has a first main surface 110m1, a second main surface 110m2, and a plurality of side surfaces 110s. An electrode protection component 118 is mounted on the housing 110. The electrode protection component 118 prevents at least one of the first electrode 130a to the fourth electrode 130d from contacting other components. For example, the electrode protection component 118 extends parallel to the direction in which the electrode 130 extends from the surface protruding from at least one of the first electrode 130a to the fourth electrode 130d relative to the housing 110. In one example, the electrode protection component 118 extends from the first main surface 110m1 in the -Z direction, similarly to the first electrode 130a and the third electrode 130c. In addition, the electrode protection component 118 extends from the second main surface 110m2 in the +Z direction, similarly to the second electrode 130b and the fourth electrode 130d.

[0216] For example, the electrode protection member 118 extends from the end portion on the +Y direction side and the end portion on the -Y direction side on the +X direction side of each of the first main surface 110m1 and the second main surface 110m2 toward the -Z direction and the +Z direction, respectively. Here, the electrode protection member 118 includes a protrusion 118a1, a protrusion 118a2, a protrusion 118b1, a protrusion 118b2, a protrusion 118c1, a protrusion 118c2, a protrusion 118d1, and a protrusion 118d2.

[0217] The protrusions 118a1 and 118a2 extend from the end portion on the -Y direction side to the -Z direction on the +X direction side of the first main surface 110m1. The protrusions 118a1 and 118a2 are opposite to the first electrode 130a. In the X direction, the first electrode 130a is located between the protrusions 118a1 and 118a2. The length of the protrusions 118a1 and 118a2 relative to the first main surface 110m1 is greater than the length of the first electrode 130a relative to the first main surface 110m.

[0218] In addition, the protrusions 118c1 and 118c2 are on the +X direction side of the first main surface 110m1, and extend from the end on the +Y direction side to the -Z direction. The protrusions 118c1 and 118c2 are opposite to the third electrode 130c. In the X direction, the third electrode 130c is located between the protrusions 118c1 and 118c2. The lengths of the protrusions 118c1 and 118c2 relative to the first main surface 110m1 are greater than the length of the third electrode 130c relative to the first main surface 110m1.

[0219] The protrusions 118b1 and 118b2 extend from the end on the -Y direction side to the +Z direction on the +X direction side of the second main surface 110m2. The protrusions 118b1 and 118b2 are opposite to the second electrode 130b. In the X direction, the second electrode 130b is located between the protrusions 118b1 and 118b2. The length of the protrusions 118b1 and 118b2 relative to the second main surface 110m2 is greater than the length of the second electrode 130b relative to the second main surface 110m2.

[0220] The protrusions 118d1 and 118d2 extend from the end on the +Y direction side to the +Z direction on the +X direction side of the second main surface 110m2. The protrusions 118d1 and 118d2 are opposite to the fourth electrode 130d. In the X direction, the fourth electrode 130d is located between the protrusions 118d1 and 118d2. The length of the protrusions 118d1 and 118d2 relative to the second main surface 110m2 is greater than the length of the fourth electrode 130d relative to the second main surface 110m2.

[0221] In addition, Fig.15A In the discharge device 100 shown, when a relatively large component approaches the first main surface 110m1 and / or the second main surface 110m2 of the housing 110, any one of the protrusions 118a1 to 118d2 of the electrode protection component 118 contacts the component before the electrode 130 contacts the component, thereby preventing the electrode 130 from contacting the component and deforming. For example, when a component longer than the length in the long-side direction of the first main surface 110m1 and the second main surface 110m2 approaches the first main surface 110m1 and / or the second main surface 110m2 of the housing 110, any one of the protrusions 118a1 to 118d2 of the electrode protection component 118 contacts the component before the electrode 130 contacts the component, thereby preventing the electrode 130 from contacting the component and deforming.

[0222] However, from the perspective of suppressing contact between the electrode 130 and the component, it is preferred that the protrusions 118a1 to 118d2 of the electrode protection component 118 contact the relatively small component before the electrode 130 contacts the component when the relatively small component approaches the first main surface 110m1 and the second main surface 110m2 of the housing 110.

[0223] like Fig. 15B As shown, the discharge device 100 of the present embodiment includes a housing 110 , a first electrode 130 a , a second electrode 130 b , a third electrode 130 c , and a fourth electrode 130 d .

[0224] The housing 110 has a first main surface 110m1, a second main surface 110m2, and a plurality of side surfaces 110s. An electrode protection component 118 is mounted on the housing 110. The electrode protection component 118 prevents at least one electrode 130 of the first electrode 130a to the fourth electrode 130d from contacting other components. For example, the electrode protection component 118 extends from a surface protruding from at least one electrode of the first electrode 130a to the fourth electrode 130d relative to the housing 110 in parallel with the direction in which the electrode extends. In one example, similarly to the first electrode 130a and the third electrode 130c, the electrode protection component 118 extends from the first main surface 110m1 to the -Z direction. In addition, similarly to the second electrode 130b and the fourth electrode 130d, the electrode protection component 118 extends from the second main surface 110m2 to the +Z direction.

[0225] Here, the electrode protection member 118 includes a first protection body 118p and a second protection body 118q. The first protection body 118p is located on the +X direction side of the first main surface 110m1 of the housing 110. The second protection body 118q is located on the +X direction side of the second main surface 110m2 of the housing 110. The first protection body 118p and the second protection body 118q have the same structure.

[0226] The first protection body 118p includes a protection portion 118a, a protection portion 118c, and a wall member 118w1. The protection portion 118a, the protection portion 118c, and the wall member 118w1 protrude from the first main surface 110m1 of the housing 110 in the -Z direction.

[0227] The protection portion 118a is provided on the -Y direction side of the first main surface 110m1 of the housing 110. The protection portion 118a covers the periphery of the first electrode 130a. For example, the protection portion 118a includes an annular portion extending in the Y direction on the -X direction side relative to the first electrode 130a and an annular portion extending in the Y direction on the +X direction side relative to the first electrode 130a. The protection portion 118a protects the first electrode 130a.

[0228] The protection portion 118c is provided on the +Y direction side of the first main surface 110m1 of the housing 110. The protection portion 118c covers the periphery of the third electrode 130c. For example, the protection portion 118c has an annular portion extending in the Y direction on the -X direction side relative to the third electrode 130c and an annular portion extending in the Y direction on the +X direction side relative to the third electrode 130c. The protection portion 118c protects the third electrode 130c.

[0229] The wall member 118w1 is disposed between the first electrode 130a and the third electrode 130c. The wall member 118w1 can extend the leakage path of the current that may be generated between the first electrode 130a and the third electrode 130c. In addition, the wall member 118w1 can prevent the ions released into the space from being attached and / or disappearing near the first main surface 110m1 of the housing 110.

[0230] The second protection body 118q includes a protection portion 118b, a protection portion 118d, and a wall member 118w2. The protection portion 118b, the protection portion 118d, and the wall member 118w2 protrude from the second main surface 110m2 of the housing 110 in the +Z direction.

[0231] The protection portion 118b is provided on the -Y direction side of the second main surface 110m2 of the housing 110. The protection portion 118b covers the periphery of the second electrode 130b. For example, the protection portion 118b has an annular portion extending in the Y direction on the -X direction side relative to the second electrode 130b and an annular portion extending in the Y direction on the +X direction side relative to the second electrode 130b. The protection portion 118b protects the second electrode 130b.

[0232] The protection portion 118d is provided on the +Y direction side of the second main surface 110m2 of the housing 110. The protection portion 118d covers the periphery of the fourth electrode 130d. For example, the protection portion 118d includes an annular portion extending in the Y direction on the -X direction side relative to the fourth electrode 130d and an annular portion extending in the Y direction on the +X direction side relative to the fourth electrode 130d. The protection portion 118d protects the fourth electrode 130d.

[0233] The wall member 118w2 is disposed between the second electrode 130b and the fourth electrode 130d. The wall member 118w2 can extend the leakage path of the current that may be generated between the second electrode 130b and the fourth electrode 130d. In addition, the wall member 118w2 can prevent the ions released into the space from being attached and / or disappearing near the second main surface 110m2 of the housing 110.

[0234] In this embodiment, the discharge device 100 further includes an electrode protection member 118 protruding from the periphery of at least one of the first electrode 130a and the second electrode 130b to the outside of the housing 110. The electrode protection member 118 can prevent at least one of the first electrode 130a and the second electrode 130b from contacting other members.

[0235] Next, refer to Figure 1A to Figure 16C , the discharge device 100 of this embodiment is described. Fig.16A 1 is a schematic side view of the discharge device 100 according to the present embodiment. Fig. 16B 1 is a schematic plan view of the discharge device 100 according to the present embodiment. Fig. 16C 1 is a schematic side view of the discharge device 100 according to the present embodiment.

[0236] like Fig.16A The first electrode 130a and the third electrode 130c protrude from the first main surface 110m1 of the housing 110 in the -Z direction, and the second electrode 130b and the fourth electrode 130d extend from the second main surface 110m2 of the housing 110 in the +Z direction.

[0237] Here, the electrode protection member 118 extends from the ends on the +Y direction side and the -Y direction side on the +X direction side of each of the first main surface 110m1 and the second main surface 110m2 in the -Z direction. Here, the electrode protection member 118 includes protection parts 118a, 118b, 118c, and 118d.

[0238] The protection portion 118a extends from the end portion on the -Y direction side to the -Z direction on the +X direction side of the first main surface 110m1. The protection portion 118a is opposite to the first electrode 130a. In the Y direction, the first electrode 130a and the protection portion 118a are arranged opposite to each other. The length of the protection portion 118a relative to the first main surface 110ml is greater than the length of the first electrode 130a relative to the first main surface 110ml.

[0239] In addition, the protection portion 118c extends from the end portion on the +Y direction side to the -Z direction on the +X direction side of the first main surface 110m1. The protection portion 118c is opposite to the third electrode 130c. In the Y direction, the third electrode 130c is located at a position opposite to the protection portion 118c. The length of the protection portion 118c relative to the first main surface 110m1 is greater than the length of the third electrode 130c relative to the first main surface 110m1.

[0240] The protection portion 118b extends from the end portion on the -Y direction side to the +Z direction on the +X direction side of the second main surface 110m2. The protection portion 118b is opposite to the second electrode 130b. In the Y direction, the second electrode 130b is located at a position opposite to the protection portion 118b. The length of the protection portion 118b relative to the second main surface 110m2 is greater than the length of the second electrode 130b relative to the second main surface 110m2.

[0241] The protection portion 118d extends from the end portion on the +Y direction side to the +Z direction on the +X direction side of the second main surface 110m2. The protection portion 118d is opposite to the fourth electrode 130d. In the Y direction, the fourth electrode 130d is located at a position opposite to the protection portion 118d. The length of the protection portion 118d relative to the second main surface 110m2 is greater than the length of the fourth electrode 130d relative to the second main surface 110m2.

[0242] like Fig. 16B As shown, a connector mounting portion 110c is provided on the housing 110. The connector is mounted on the connector mounting portion 110c. The connector mounting portion 110c is located between the third side surface 110s3 and the fourth side surface 110s4. The connector mounting portion 110c extends along the -X direction. Therefore, the connector is mounted on the connector mounting portion 110c by moving the connector relative to the connector mounting portion 110c along the +X direction.

[0243] like Fig. 16C As shown, the protection portion 118c protrudes in an annular shape from the first main surface 110m1. When the discharge device 100 is viewed from the -Y direction, the first electrode 130a is surrounded by the annular protection portion 118a and is visible. Similarly, the protection portion 118b protrudes in an annular shape from the second main surface 110m2. When the discharge device 100 is viewed from the -Y direction, the second electrode 130b is surrounded by the annular protection portion 118b and is visible.

[0244] It should be noted that Fig. 16C Although not shown in the figure, the third electrode 130c and the protection part 118c are the same as the first electrode 130a and the protection part 118a. In addition, the fourth electrode 130d and the protection part 118d are the same as the second electrode 130b and the protection part 118b.

[0245] In addition, in reference Figures 15A to 16C In the description, the height of the electrode protection component 118 is greater than the height of the opposite electrode 130 relative to the first main surface 110m1 and / or the second main surface 110m2 of the housing 110, but the present embodiment is not limited thereto. The height of the electrode protection component 118 may be the same as the height of the opposite electrode 130, or may be less than the height of the opposite electrode 130.

[0246] In addition, Figure 1B In the embodiment, the discharge device 100 generates ions in the first air passage Wp1 and the second air passage Wp2 through which air flows respectively, but the present embodiment is not limited thereto. The air passages Wp through which ions are generated by the discharge device 100 may be connected to each other.

[0247] Next, refer to Figure 1A to Figure 17B , the discharge device 100 of this embodiment is described. Figures 17A to 17B Schematic diagram of the discharge device 100 according to the present embodiment.

[0248] like Fig.17A As shown, the discharge device 100 is disposed at the positions of the first air passage Wp1 and the second air passage Wp2 where ions are generated. In the discharge device 100, the first electrode 130a generates ions in the first air passage Wp1, and the second electrode 130b generates ions in the second air passage Wp2. Here, the housing 110 is disposed between the first air passage Wp1 and the second air passage Wp2.

[0249] The downstream of the first air passage Wp1 communicates with the downstream of the second air passage Wp2. Specifically, the downstream of the first air passage Wp1 and the downstream of the second air passage Wp2 communicate with the common air passage Wp3a.

[0250] The wind flowing in the first wind path Wp1 flows toward the common wind path Wp3a through the first electrode 130a. In addition, the wind flowing in the second wind path Wp2 flows toward the common wind path Wp3a through the second electrode 130b. Therefore, in the common wind path Wp3a, both the ions generated in the first electrode 130a and the ions generated in the second electrode 130b flow.

[0251] Fig. 17B As shown, the downstream of the first air passage Wp1 communicates with the upstream of the second air passage Wp2. Specifically, the upstream of the first air passage Wp1 and the upstream of the second air passage Wp2 communicate with the common air passage Wp3b.

[0252] Therefore, part of the wind flowing in the common wind path Wp3b flows into the first wind path Wp1 and flows in the first wind path Wp1 together with the ions generated in the first electrode 130a. In addition, another part of the wind flowing through the common wind path Wp3b flows into the second wind path Wp2 and flows through the second wind path Wp2 together with the ions generated in the second electrode 130b.

[0253] Furthermore, the discharge device 100 of this embodiment may be mounted on the air blowing device 200. In this case, the discharge device 100 generates ions in the wind output from the air blowing device 200. The air blowing device 200 sends the ions generated in the discharge device 100 to the outside.

[0254] Next, refer to Figure 1A to Figure 18B, the air supply device 200 including the discharge device 100 according to the present embodiment will be described. Fig.18A and Fig.18B It is a schematic diagram of the air supply device 200 of this embodiment.

[0255] like Fig.18A As shown, the air supply device 200 of this embodiment includes the discharge device 100, the wind generating unit 210, and the air passage 220. At least a part of the discharge device 100 is disposed in the air passage 220. For example, in the discharge device 100, the first electrode 130a and the second electrode 130b are disposed in the air passage 220.

[0256] The wind generating unit 210 generates wind. Here, the wind generated in the wind generating unit 210 flows along the wind path 220. The wind generating unit 210 includes a fan.

[0257] The air passage 220 includes a first air passage 220a and a second air passage 220b. The second air passage 220b is located at a different place from the first air passage 220a, and the wind flowing through the second air passage 220b does not flow to the first air passage 220a.

[0258] The air passage 220 includes a common air passage 220c in addition to the first air passage 220a and the second air passage 220b. The common air passage 220c is located at least one of the upstream and downstream of the first air passage 220a and the second air passage 220b.

[0259] exist Fig.18A In the embodiment, the common air passage 220c is located upstream of the first air passage 220a and the second air passage 220b. In addition, the wind generating unit 210 is located in the common air passage 220c.

[0260] A part of the wind generated in the wind generating unit 210 flows through the first wind path 220a from the common wind path 220c. In addition, another part of the wind generated in the wind generating unit 210 flows through the second wind path 220b from the common wind path 220c.

[0261] In addition, the cross-sectional area of ​​the common air passage 220c along the wind flow direction may be larger than the cross-sectional areas of the first air passage 220a and the second air passage 220b along the wind flow direction. In one example, the cross-sectional area of ​​the common air passage 220c along the wind flow direction is substantially equal to the sum of the cross-sectional areas of the first air passage 220a and the second air passage 220b along the wind flow direction and the cross-sectional area of ​​the installation portion of the housing 110.

[0262] In addition, Fig.18A In the embodiment, the wind generated in the common wind generating unit 210 flows through the first wind passage 220a and the second wind passage 220b, but the present embodiment is not limited thereto. Wind mainly generated in different wind generating units may flow through the first wind passage 220a and the second wind passage 220b.

[0263] like Fig.18B As shown, the air supply device 200 includes: a discharge device 100, a first wind generating unit 210, a second wind generating unit 210b, and an air passage 220. The air passage 220 includes a first air passage 220a and a second air passage 220b. The second air passage 220b is located at a different place from the first air passage 220a, and the wind flowing in the second air passage 220b does not flow to the first air passage 220a. Here, the first air passage 220a and the second air passage 220b are arranged in parallel with each other.

[0264] At least a portion of the discharge device 100 is disposed on the air passage 220. For example, in the discharge device 100, the first electrode 130a is disposed on the first air passage 220a, and the second electrode 130b is disposed on the second air passage 220b.

[0265] The first wind generating unit 210a is disposed in the first wind passage 220a. The first wind generating unit 210a generates wind. The wind generated in the first wind generating unit 210a flows along the first wind passage 220a toward the downstream of the first wind passage 220a. The first wind generating unit 210a includes a fan.

[0266] The second wind generating unit 210b is disposed in the second wind passage 220b. The second wind generating unit 210b generates wind. The wind generated in the second wind generating unit 210b flows along the second wind passage 220b toward the downstream of the second wind passage 220b. The second wind generating unit 210b includes a fan.

[0267] The air supply device 200 of this embodiment includes: a wind generating unit 210, a first wind path 220a, a second wind path 220b, and a discharge device 100. The wind generating unit 210 generates wind. A part of the wind generated by the wind generating unit 210 flows in the first wind path 220a. Another part of the wind generated by the wind generating unit 210 flows in the second wind path 220b. The discharge device 100 performs discharge in the first wind path 220a and the second wind path 220b. The discharge device 100 includes a voltage generating unit 120, a first electrode 130a, and a second electrode 130b. The first electrode 130a is arranged in the first wind path Wp1. A voltage is applied to the first electrode 130a from the voltage generating unit 120. The second electrode 130b is arranged in the second wind path Wp2. A voltage is applied to the second electrode 130b from the voltage generating unit 120. In the air blowing device 200 , by applying voltage from the common voltage generating unit 120 to different electrodes 130 , ions can be generated in different air passages to blow air.

[0268] According to the present embodiment, ions can be easily generated in each of the first air passage 220a and the second air passage 220b by the discharge device 100. For example, the discharge device 100 may be mounted on a hair dryer.

[0269] Next, refer to Figure 1A to Figure 19B , a dryer 300 including the discharge device 100 according to the present embodiment will be described. Fig.19A 1 is a schematic external view of a hair dryer 300 including the discharge device 100 according to the present embodiment. Fig.19B Schematic diagram of a hair dryer 300 equipped with the discharge device 100 of this embodiment. The hair dryer 300 can be used to dry human hair. The hair dryer 300 is also called a hair dryer.

[0270] like Fig.19A and Fig.19B As shown, the hair dryer 300 includes an air supply device 200, a grip portion 310, a main body 320, an air inlet 330, a heater 340, an air outlet 350, and a power switch 360. The air inlet 330 is located at one end of the main body 320, and the air outlet 350 is located at the other end of the main body 320. The main body 320 is provided with an air passage from the air inlet 330 to the air outlet 350.

[0271] Here, the grip portion 310 is located on the −Y direction side with respect to the main body portion 320. The grip portion 310 is for a user to grip.

[0272] The suction port 330 is located on the −X direction side with respect to the main body 320 . Air is sucked into the main body 320 from the suction port 330 .

[0273] The air supply device 200 and the heater 340 are accommodated in the main body 320. The air supply device 200 is located in the path from the suction port 330 to the blow-out port 350 of the main body 320. The air supply device 200 generates wind that flows in the wind path from the suction port 330 to the blow-out port 350. The air supply device 200 sucks the air into the main body 320 from the suction port 330, and the wind flowing in the main body 320 is blown out from the blow-out port 350 to the outside. The heater 340 heats the wind generated by the air supply device 200.

[0274] The blowout port 350 is located on the +X direction side with respect to the main body 320 . The air in the main body 320 is blown out from the blowout port 350 .

[0275] The blowout port 350 includes a first blowout port 350a and a second blowout port 350b. The first blowout port 350a is located on one side relative to the main body 320, and the second blowout port 350b is located on the other side relative to the main body 320. For example, the first blowout port 350a is located on the +X direction side and the -Z direction side relative to the main body 320, and the second blowout port 350b is located on the +X direction side and the +Z direction side relative to the main body 320.

[0276] The air supply device 200 includes the discharge device 100 , an air generation unit 210 , and an air passage 220 . The air generation unit 210 is located upstream of the air passage 220 relative to the heater 340 .

[0277] The air passage 220 includes a common air passage 220c, a first air passage 220a, and a second air passage 220b. The common air passage 220c is located upstream of the first air passage 220a and the second air passage 220b. The heater 340 is disposed in the common air passage 220c.

[0278] The first air passage 220a is located between the common air passage 220c and the air outlet 350. Specifically, the first air passage 220a is located between the common air passage 220c and the first air outlet 350a.

[0279] The second air passage 220b is located between the common air passage 220c and the air outlet 350. Specifically, the second air passage 220b is located between the common air passage 220c and the second air outlet 350b.

[0280] The discharge device 100 can generate ions in the first air passage 220a and the second air passage 220b. At least a portion of the first electrode 130a of the discharge device 100 is located in the first air passage 220a. At least a portion of the second electrode 130b of the discharge device 100 is located in the second air passage 220b.

[0281] In this embodiment, the hair dryer 300 can output wind from the first outlet 350a and the second outlet 350b, respectively. Thus, the hair can be dried quickly while suppressing damage to the hair. In addition, ions can be generated in the discharge device 100 in the dryer 300, so that the hair can be moisturized while being coated on the surface of the hair.

[0282] In addition, Fig.19B In the embodiment, the discharge device 100 of the present embodiment is mounted on the dryer 300, but the discharge device 100 may be mounted on an air conditioner.

[0283] Next, refer to Figure 1A to Figure 20 , an air conditioner 400 including the discharge device 100 according to the present embodiment will be described. Fig. 20 1 is a schematic diagram of an air conditioner 400 including the discharge device 100 according to the present embodiment. Here, the air conditioner 400 functions as a so-called air cleaner.

[0284] like Fig. 20 As shown, the air conditioner 400 includes a discharge device 100, a housing 410, a deodorizing filter 430, a dust collecting filter 440, a blower 450, and an air flow separator 460. The discharge device 100, the deodorizing filter 430, the dust collecting filter 440, the blower 450, and the air flow separator 460 are accommodated in the housing 410.

[0285] The housing 410 communicates with the outside and the inside via the pre-filter 422 of the rear panel 420. In addition, the housing 410 has a ventilation path 425, a blow-out port 425C, and a blow-out port 425D. The blow-out port 425C is arranged forward at the upper part of the housing 410, and the blow-out port 425D is arranged backward and upward at the upper part of the housing 410. The blow-out port 425C and the blow-out port 425D communicate the inside of the housing 410 with the outside.

[0286] The air existing around the housing 410 is sucked into the interior of the housing 410 through the pre-filter 422. The ventilation path 425 is a passage for the air provided inside the housing 410. The air sucked into the interior of the housing 410 by the air supply unit 450 is then sucked into the ventilation path 425. The air sucked into the ventilation path 425 passes through the ventilation path 425. The air passing through the ventilation path 425 is blown out from the blow-out port 425C toward the front direction and from the blow-out port 425D toward the rear and upper direction. In addition, the case where the air existing around the housing 410 is sucked into the interior of the housing 410 through the pre-filter 422 of the rear panel 420 is described, but if the air is sucked into the interior of the housing 410, the housing 410 and the rear panel 420 can be of any structure. For example, a through-hole (not shown) for sucking in the surrounding air can also be provided in the housing 410. In addition, for example, the pre-filter 422 can also be not provided.

[0287] The air supply unit 450 is arranged inside the ventilation passage 425 to generate an air flow. The air supply unit 450 is composed of a centrifugal fan such as a Sirocco fan, for example. The air supply unit 450 sucks air from the rear area 425A of the air supply unit of the ventilation passage 425, and sends air to the upper area 425B of the air supply unit of the ventilation passage 425. By operating the air supply unit 450, the air existing around the housing 410 is sucked into the interior of the housing 410. The air sucked into the interior of the housing 410 is blown to the outside of the housing 410 through the ventilation passage 425. As a result, the air existing around the housing 410 is replaced by the air that has passed through the deodorizing filter 430 and the dust collecting filter 440 inside the air conditioner 400.

[0288] The dust filter 440 is arranged in the rear area 425A of the air supply unit, allowing the air flow generated by the air supply unit 450 to pass through and capture particles contained in the air. The air after the particles contained are captured is blown out to the outside of the air conditioner 400. As a result, the air existing around the air conditioner 400 is replaced by air in which particles are captured. The particles captured by the dust filter 440, for example, as described above, include microscopic particles such as PM2.5 with a particle size smaller than fine dust and a specified particle size (for example, 3 μm). The dust filter 440 includes, for example, a HEPA (High Efficiency Particulate Air) filter formed by forming a non-woven fabric into a paper shape.

[0289] The deodorizing filter 430 is arranged behind the dust collecting filter 440 in the air supply unit rear area 425A. The deodorizing filter 430, like the dust collecting filter 440, allows the air flow generated by the air supply unit 450 to pass through and captures the odor contained in the air. The deodorizing filter 430 is composed of, for example, a polyester nonwoven fabric in which activated carbon is evenly dispersed. The components of the odor captured by the deodorizing filter 430 are, for example, acetaldehyde, ammonia, acetic acid, etc.

[0290] When the air supply unit 450 is driven, the air existing outside the housing 410 is sucked in to generate the first airflow F1. The air existing outside the housing 410 becomes the first airflow F1 and flows into the ventilation path 425 through the pre-filter 422. The air flowing into the ventilation path 425 passes through the deodorizing filter 430 and the dust collecting filter 440, becomes the second airflow F2 toward the air supply unit 450, and then becomes the third airflow F3 toward the inside of the air supply unit 450.

[0291] The air sucked into the air supply unit 450 becomes the fourth airflow F4 toward the upper area 425B of the air supply unit, and moves to the upper area 425B of the air supply unit. The air moved to the upper area 425B of the air supply unit becomes the fifth airflow F5 toward the airflow separation unit 460, and moves to the airflow separation unit 460. The air moved to the airflow separation unit 460 is separated into the sixth airflow F6 toward the blowout port 425C and the seventh airflow F7 toward the blowout port 425D. The air moved to the blowout port 425C as the sixth airflow F6 is blown out from the blowout port 425C to the outside of the housing 410. The air moved to the blowout port 425D as the seventh airflow F7 is blown out from the blowout port 425D to the outside of the housing 410.

[0292] In this embodiment, the discharge device 100 is disposed in the airflow separation unit 460. The first electrode 130a and the third electrode 130c of the discharge device 100 generate ions in the air of the sixth airflow F6. In addition, the second electrode 130b and the fourth electrode 130d of the discharge device 100 generate ions in the air of the seventh airflow F7. Thus, ions can be easily generated for the air blown out from different outlets.

[0293] In addition, refer to Figures 19A to 20 Although a hair dryer and an air conditioner are described as specific examples of electronic devices equipped with the discharge device 100 of the present embodiment, the electronic devices equipped with the discharge device 100 of the present embodiment are of course not limited to the hair dryer and the air conditioner.

[0294] In addition, Figure 1A to Figure 20 In the discharge device 100 shown, the voltage generator 120 and at least a part of the electrode 130 are housed in one housing 110, but the present embodiment is not limited thereto. The voltage generator 120 and the electrode 130 may be housed in different housings.

[0295] Next, refer to Fig.21A The discharge device 100 according to the present embodiment will be described. Fig.21A 1 is a schematic perspective view of the discharge device 100 according to the present embodiment.

[0296] like Fig.21A As shown, the discharge device 100 includes a voltage generator 120, a voltage generator housing case 120h, a first electrode 130a, a second electrode 130b, an electrode support 130h, and a wiring 160. The voltage generator housing case 120h houses the voltage generator 120.

[0297] The electrode support portion 130h supports the first electrode 130a and the second electrode 130b. For example, the first electrode 130a and the second electrode 130b protrude from the electrode support portion 130h. The first electrode 130a protrudes from the electrode support portion 130h in the first direction D1. The second electrode 130b protrudes from the electrode support portion 130h in the second direction D2. Typically, the electrode support portion 130h accommodates at least a portion of the first electrode 130a and the second electrode 130b. In addition, the electrode support portion 130h may support the first electrode 130a and the second electrode 130b without accommodating the first electrode 130a and the second electrode 130b. In one example, the first electrode 130a and the second electrode 130b may not be accommodated in the electrode support portion 130h, but may be fixed to the outside of the electrode support portion 130h by wiring passing through the electrode support portion 130h.

[0298] The wiring 160 electrically connects the voltage generating unit 120 to the first electrode 130a and the second electrode 130b, respectively. The wiring 160 extends from the voltage generating unit housing case 120h to the electrode supporting unit 130h. The wiring 160 is electrically connected to the voltage generating unit 120 in the voltage generating unit housing case 120h, and extends to the outside of the voltage generating unit housing case 120h through the hole of the voltage generating unit housing case 120h. In addition, the wiring 160 is electrically connected to the first electrode 130a and the second electrode 130b in the electrode supporting unit 130h, and extends to the outside of the electrode supporting unit 130h through the hole of the electrode supporting unit 130h.

[0299] Next, refer to Fig.21A and Fig. 21B , the discharge device 100 of this embodiment is described. Fig. 21B It is a schematic diagram of the discharge device 100 of this embodiment that generates ions in the first air passage Wp1 and the second air passage Wp2.

[0300] like Figure 1B As shown, in the discharge device 100, the first electrode 130a and the second electrode 130b protrude from the electrode support part 130h in different directions. Typically, in the discharge device 100, at least a portion of the first electrode 130a is exposed in the first air passage Wp1. The electrode support part 130h is arranged between the first air passage Wp1 and the second air passage Wp2. In addition, in the discharge device 100, at least a portion of the second electrode 130b is exposed in the second air passage Wp2.

[0301] The first air passage Wp1 and the second air passage Wp2 extend in parallel to each other in the X direction. Here, in each of the first air passage Wp1 and the second air passage Wp2, wind flows from the -X direction to the +X direction.

[0302] By applying voltage to the first electrode 130a, discharge can be generated in the first electrode 130a, and ions can be generated in the first air passage Wp1. In addition, since the first electrode 130a protrudes from the housing 110, the generated ions can be prevented from adhering to the electrode support portion 130h or the outer wall of the first air passage Wp1.

[0303] In addition, by applying a voltage to the second electrode 130b, discharge can be generated in the second electrode 130b, and ions can be generated in the second air passage Wp2. In addition, since the second electrode 130b protrudes from the housing 110, it is possible to suppress the generated ions from adhering to the electrode support portion 130h or the outer wall of the second air passage Wp2. In this way, the discharge device 100 can generate ions in the first air passage Wp1 and the second air passage Wp2.

[0304] According to the present embodiment, the discharge device 100 includes a voltage generating unit housing case 120h, an electrode supporting portion 130h, and a wiring 160 in addition to the voltage generating unit 120, the first electrode 130a, and the second electrode 130b. The voltage generating unit housing case 120h houses the voltage generating unit 120. The electrode supporting portion 130h supports the first electrode 130a and the second electrode 130b. The wiring 160 electrically connects the voltage generating unit 120 to the first electrode 130a and the second electrode 130b. Thus, the first electrode 130a and the second electrode 130b and the voltage generating unit 120 that applies voltage to the first electrode 130a and the second electrode 130b can be arranged in different places.

[0305] In the discharge device 100 , the common voltage generator 120 can generate ions in different directions with respect to the electrode support part 130 h by applying voltage to the first electrode 130 a and the second electrode 130 b protruding in different directions with respect to the electrode support part 130 h .

[0306] In addition, Fig.21A and Fig. 21B In the discharge device 100 shown, the first electrode 130a and the second electrode 130b protrude from the voltage generating unit housing case 120h, but the present embodiment is not limited thereto. Three or more electrodes may protrude from the voltage generating unit housing case 120h.

[0307] Next, refer to Fig. 22 The discharge device 100 according to this embodiment will be described. Fig. 22 1 is a schematic perspective view of the discharge device 100 according to the present embodiment.

[0308] like Fig. 22 As shown, the discharge device 100 includes a voltage generating unit 120, a voltage generating unit housing box 120h, a first electrode 130a, a second electrode 130b, a third electrode 130c, a fourth electrode 130d, and an electrode support part 130h. The voltage generating unit housing box 120h houses the voltage generating unit 120. The electrode support part 130h supports the first electrode 130a to the fourth electrode 130d. For example, the electrode support part 130h accommodates at least a portion of the first electrode 130a to the fourth electrode 130d.

[0309] The first electrode 130a to the fourth electrode 130d protrude from the electrode support portion 130h. The first electrode 130a and the third electrode 130c protrude from the electrode support portion 130h in the first direction D1. The second electrode 130b and the fourth electrode 130d protrude from the electrode support portion 130h in the second direction D2.

[0310] According to the present embodiment, the discharge device 100 includes a first electrode 130a, a second electrode 130b, a third electrode 130c, and a fourth electrode 130d. The first electrode 130a and the third electrode 130c protrude from the electrode support portion 130h in the first direction D1 on the main surface where the electrode support portion 130h is provided. A voltage having a different polarity from that of the first electrode 130a is applied to the third electrode 130c from the second voltage generating unit 120.

[0311] The second electrode 130b and the fourth electrode 130d protrude from the electrode support part 130h toward the second direction D2 on the other main surface of the electrode support part 130h. A voltage having a different polarity from that of the second electrode 130b is applied to the fourth electrode 130d from the voltage generating unit 120. Thus, the polarities of the voltages applied to the first electrode 130a and the third electrode 130c are different, and ions having different polarities can be generated on one main surface of the electrode support part 130h. In addition, since the polarities of the voltages applied to the second electrode 130b and the fourth electrode 130d are different, ions having different polarities can be generated on the other main surface of the electrode support part 130h.

[0312] Next, refer to Figure 21A to Figure 23 The discharge device 100 according to the present embodiment will be described. Fig.23 It is a schematic exploded perspective view of the discharge device 100 according to the present embodiment.

[0313] like Fig.23 As shown, the discharge device 100 includes a voltage generating unit 120, a voltage generating unit housing case 120h, a first electrode 130a, a second electrode 130b, a third electrode 130c, a fourth electrode 130d, a circuit substrate 140, an electrode substrate 150, an electrode support unit 130h, and wirings 160a and 160b. The voltage generating unit 120 is housed in the voltage generating unit housing case 120h. At least a portion of the first electrode 130a, the second electrode 130b, the third electrode 130c, and the fourth electrode 130d is housed in the electrode support unit 130h. The circuit substrate 140 and the electrode substrate 150 are housed in the electrode support unit 130h.

[0314] The voltage generating unit 120 includes a boost circuit 122 for boosting an input voltage. The boost circuit 122 includes an input substrate 122s and a transformer 122t. The input substrate 122s and the transformer 122t are arranged adjacent to each other. The transformer 122t is located between the input substrate 122s and the circuit substrate 140. The input voltage is input to the input substrate 122s. The transformer 122t boosts the voltage input to the input substrate 122s.

[0315] The boost circuit 122 has a first output terminal 122a and a second output terminal 122b. The first output terminal 122a is located on one side of the secondary coil of the transformer 122t, and the second output terminal 122b is located on the other side of the secondary coil of the transformer 122t. The second output terminal 122b is electrically connected to the electrode substrate 150.

[0316] The first electrode 130a, the second electrode 130b, the third electrode 130c, and the fourth electrode 130d are mounted on the circuit substrate 140. For example, the first electrode 130a and the second electrode 130b are bonded to the circuit substrate 140 by the same bonding member. In addition, the third electrode 130c and the fourth electrode 130d are bonded to the circuit substrate 140 by the same bonding member.

[0317] The wiring 160a electrically connects the voltage generating unit 120 and the circuit substrate 140. The wiring 160a extends from the hole of the voltage generating unit housing case 120h that accommodates the voltage generating unit 120 to the outside of the voltage generating unit housing case 120h. In addition, the wiring 160a extends from the hole of the electrode supporting unit 130h that accommodates the circuit substrate 140 to the outside of the electrode supporting unit 130h.

[0318] In addition, the wiring 160b electrically connects the voltage generating unit 120 and the electrode substrate 150. The wiring 160b extends from the hole of the voltage generating unit housing case 120h housing the voltage generating unit 120 to the outside of the voltage generating unit housing case 120h. Furthermore, the wiring 160a extends from the hole of the electrode supporting unit 130h housing the electrode substrate 150 to the outside of the electrode supporting unit 130h.

[0319] The voltage generating unit housing box 120h includes a housing portion 120ha and a cover 120hb. The housing portion 120ha is in a box shape with an open top surface and a recessed bottom surface exposed. The housing portion 120ha houses the voltage generating unit 120.

[0320] The cover 120hb covers the housing portion 120ha. The cover 120hb contacts the side of the housing portion 120ha. The cover 120hb may be in the shape of a flat plate.

[0321] The electrode support portion 130h includes a housing portion 130ha and a cover 130hb. The housing portion 130ha is a box-shaped portion with an open top surface and a recessed bottom surface exposed. The housing portion 130ha houses at least a portion of each of the first electrode 130a, the second electrode 130b, the third electrode 130c, and the fourth electrode 130d. The housing portion 130ha houses the circuit substrate 140 and the electrode substrate 150.

[0322] The bottom surface of the housing portion 130ha is provided with a hole 130hap and a hole 130haq. When the circuit board 140 is housed in the housing portion 130ha, the first electrode 130a passes through the hole 130hap, and the third electrode 130c passes through the hole 130haq.

[0323] The cover 130hb covers the housing portion 130ha. The cover 130hb is in contact with the side of the housing portion 130ha. The cover 130hb may also be in the shape of a flat plate.

[0324] The circuit substrate 140 electrically connects the voltage generator 120 to each of the first electrode 130a, the second electrode 130b, the third electrode 130c, and the fourth electrode 130d. The voltage generated in the voltage generator 120 is applied to the first electrode 130a, the second electrode 130b, the third electrode 130c, and the fourth electrode 130d via the circuit substrate 140.

[0325] The circuit board 140 includes an insulating substrate 141 , a circuit 142 , a diode 143 , and a diode 144 . The insulating substrate 141 is an insulating thin plate. The circuit 142 is a conductive thin wire. The circuit 142 is disposed on the insulating substrate 141 .

[0326] The diode 143 and the diode 144 are arranged on the circuit 142. Typically, the diode 143 and the diode 144 are electrically connected via the circuit 142.

[0327] A voltage of one polarity among the voltages input to the circuit 142 passes through the diode 143. The voltage passed through the diode 143 is applied to the first electrode 130a and the second electrode 130b.

[0328] In addition, a voltage of the other polarity among the voltages input to the circuit 142 passes through the diode 144. The voltage passed through the diode 144 is applied to the third electrode 130c and the fourth electrode 130d.

[0329] The electrode substrate 150 is accommodated in the electrode support part 130h. The electrode substrate 150 is arranged at a position away from the circuit substrate 140 and overlapped with the circuit substrate 140. The electrode substrate 150 is electrically connected to the voltage generating part 120. The electrode substrate 150 indicates a potential that serves as a reference with respect to the potential of the electrode 130.

[0330] Therefore, it is possible to stably generate discharge while reducing the influence of the surrounding environment based on the voltage indicating the difference between the potential applied to the electrode 130 and the potential of the electrode substrate 150. Therefore, ions are stably generated.

[0331] The electrode substrate 150 includes an insulating substrate 151 and a sensing electrode 152. The insulating substrate 151 is a thin insulating substrate. The sensing electrode 152 is located on the main surface of the insulating substrate 151. For example, the sensing electrode 152 is located on both the +Z direction side and the -Z direction side of the insulating substrate 151, but the sensing electrode 152 may be located only on the +Z direction side or only on the -Z direction side of the insulating substrate 151.

[0332] The induction electrode 152 is electrically connected to the voltage generating unit 120. A potential having a large potential difference from the potential applied to the electrode 130 is applied to the induction electrode 152.

[0333] The wiring 160a connects the first output terminal 122a of the booster circuit 122 to the circuit 142 of the circuit board 140. The wiring 160a connects the first output terminal 122a of the booster circuit 122 to the circuit board 140 via the hole of the housing portion 120ha and the hole of the housing portion 130ha.

[0334] The wiring 160b connects the second output terminal 122b of the booster circuit 122 to the induction electrode 152 of the electrode substrate 150. The wiring 160b connects the second output terminal 122b of the booster circuit 122 to the induction electrode 152 via the hole of the housing portion 120ha and the hole of the housing portion 130ha.

[0335] The cover 130hb is provided with a hole 130hbp and a hole 130hbq. When the housing portion 130ha housing the circuit board 140 is covered with the cover 130hb, the second electrode 130b passes through the hole 130hbp, and the fourth electrode 130d passes through the hole 130hbq.

[0336] The discharge device 100 includes an insulating member 170a and an insulating member 170b. The insulating member 170a and the insulating member 170b have insulating properties. The insulating member 170a is accommodated in the accommodation portion 120ha. The insulating member 170a is filled in the accommodation portion 120ha in a state where the voltage generating unit 120 is arranged in the accommodation portion 120ha. For example, the insulating member 170a is formed of an insulating curable resin.

[0337] The insulating member 170b is accommodated in the accommodation portion 130ha. The insulating member 170a is filled in the electrode supporting portion 130h in a state where the circuit substrate 140 and the electrode substrate 150 on which the first to fourth electrodes 130a to 130d are mounted are arranged in the accommodation portion 130ha. For example, the insulating member 170b is formed of an insulating curable resin.

[0338] In addition, Figure 1A to Figure 23In the illustrated discharge device 100 , all electrodes 130 protrude from the housing 110 or the electrode support portion 130 h , but in the discharge device 100 , the electrodes 130 may protrude from a plurality of housings.

[0339] Next, refer to Fig.24A The discharge device 100 according to this embodiment will be described. Fig.21A 1 is a schematic perspective view of the discharge device 100 according to the present embodiment.

[0340] like Fig.24A As shown, the discharge device 100 includes a voltage generator 120, a voltage generator housing case 120h, a first electrode 130a, a second electrode 130b, a first electrode support 130hp, a second electrode support 130hq, a first wiring 160p, and a second wiring 160q. The voltage generator housing case 120h houses the voltage generator 120.

[0341] The first electrode supporting part 130hp supports the first electrode 130a. For example, the first electrode supporting part 130hp receives at least a portion of the first electrode 130a. The first electrode 130a protrudes from the first electrode supporting part 130hp. The first electrode 130a protrudes from the first electrode supporting part 130hp in the first direction D1.

[0342] The second electrode supporting portion 130hq supports the second electrode 130b. For example, the second electrode supporting portion 130hq accommodates at least a portion of the second electrode 130b. The second electrode 130b protrudes from the second electrode supporting portion 130hq. The second electrode 130b protrudes from the second electrode supporting portion 130hq in the second direction D2.

[0343] The first wiring 160p electrically connects the voltage generating unit 120 and the first electrode 130a. The first wiring 160p is electrically connected to the voltage generating unit 120 in the voltage generating unit housing case 120h, and extends to the outside of the voltage generating unit housing case 120h through the hole of the voltage generating unit housing case 120h. In addition, the first wiring 160p is electrically connected to the first electrode 130a in the first electrode supporting part 130hp, and extends to the outside of the first electrode supporting part 130hp through the hole of the first electrode supporting part 130hp.

[0344] Similarly, the second wiring 160q electrically connects the voltage generating unit 120 and the second electrode 130b. The second wiring 160q is electrically connected to the voltage generating unit 120 in the voltage generating unit housing case 120h, and extends to the outside of the voltage generating unit housing case 120h through the hole of the voltage generating unit housing case 120h. In addition, the second wiring 160q is electrically connected to the second electrode 130b in the second electrode supporting part 130hq, and extends to the outside of the second electrode supporting part 130hq through the hole of the second electrode supporting part 130hq.

[0345] Next, refer to Fig.24A and Fig. 24B , the discharge device 100 of this embodiment is described. Fig. 24B It is a schematic diagram of the discharge device 100 of this embodiment that generates ions in the first air passage Wp1 and the second air passage Wp2.

[0346] like Fig. 24B As shown, in the discharge device 100, the first electrode 130a protrudes from the first electrode support part 130hp in the first direction D1, and at least a portion of the first electrode 130a is located in the first wind path Wp1. The second electrode 130b protrudes from the second electrode support part 130hq in the second direction D2, and at least a portion of the second electrode 130b is located in the second wind path Wp2.

[0347] Typically, in the discharge device 100, at least a portion of the first electrode 130a is exposed in the first air passage Wp1. The first electrode support portion 130hp is disposed between the first air passage Wp1 and the second air passage Wp2. For example, the first electrode support portion 130hp is disposed along the first air passage Wp1.

[0348] In addition, in the discharge device 100, at least a portion of the second electrode 130b is exposed in the second air passage Wp2. The second electrode support portion 130hq is disposed between the first air passage Wp1 and the second air passage Wp2. For example, the second electrode support portion 130hq is disposed along the second air passage Wp2.

[0349] By applying voltage to the first electrode 130a, discharge can be generated in the first electrode 130a, and ions can be generated in the first air passage Wp1. Also, by making the first electrode 130a protrude from the housing 110, the generated ions can be prevented from adhering to the first electrode support 130hp or the outer wall of the first air passage Wp1.

[0350] In addition, by applying a voltage to the second electrode 130b, discharge can be generated in the second electrode 130b, and ions can be generated in the second air passage Wp2. In addition, since the second electrode 130b protrudes from the housing 110, the generated ions can be prevented from adhering to the second electrode support portion 130hq or the outer wall of the second air passage Wp2. In this way, the discharge device 100 can generate ions in the first air passage Wp1 and the second air passage Wp2.

[0351] According to the present embodiment, in the discharge device 100 , the common voltage generator 120 applies voltage to the first electrode 130 a and the second electrode 130 b located in different air passages, thereby generating ions in the first air passage Wp1 and the second air passage Wp2 .

[0352] In addition, Fig.24A In the discharge device 100 shown in FIG. 24B , the first electrode 130a protrudes from the first electrode support portion 130hp, and the second electrode 130b protrudes from the second electrode support portion 130hq, but the present embodiment is not limited thereto. Alternatively, two or more electrodes may protrude from the first electrode support portion 130hp, and two or more electrodes may protrude from the second electrode support portion 130hq.

[0353] Next, refer to Fig.25 The discharge device 100 according to this embodiment will be described. Fig.25 It is a schematic perspective view of the discharge device 100 according to the present embodiment.

[0354] like Fig.25 As shown, the discharge device 100 includes a voltage generating unit 120, a voltage generating unit housing case 120h, a first electrode 130a, a second electrode 130b, a third electrode 130c, a fourth electrode 130d, a first electrode support part 130hp, a second electrode support part 130hq, a first wiring 160p, and a second wiring 160q. The voltage generating unit housing case 120h houses the voltage generating unit 120. The first electrode support part 130hp supports the first electrode 130a and the fourth electrode 130d. For example, the first electrode support part 130hp houses at least a portion of the first electrode 130a and the fourth electrode 130d. The second electrode support part 130hq supports the second electrode 130b and the third electrode 130c. For example, the second electrode support part 130hq houses at least a portion of the second electrode 130b and the third electrode 130c.

[0355] The first electrode 130a and the fourth electrode 130d protrude from the first electrode supporting portion 130hp. The first electrode 130a and the fourth electrode 130d protrude from the first electrode supporting portion 130hp in the first direction D1 and the second direction D2, respectively.

[0356] The second electrode 130b and the third electrode 130c protrude from the second electrode supporting portion 130hq. The second electrode 130b and the third electrode 130c protrude from the second electrode supporting portion 130hq in the second direction D2 and the first direction D1, respectively.

[0357] The first wiring 160p electrically connects the voltage generating unit 120 with the first electrode 130a and the fourth electrode 130d. The first wiring 160p is electrically connected to the voltage generating unit 120 in the voltage generating unit housing case 120h, and extends to the outside of the voltage generating unit housing case 120h through the hole of the voltage generating unit housing case 120h. In addition, the first wiring 160p is electrically connected to the first electrode 130a and the fourth electrode 130d in the first electrode supporting part 130hp, and extends to the outside of the first electrode supporting part 130hp through the hole of the first electrode supporting part 130hp.

[0358] The second wiring 160q connects the voltage generating unit 120 with the second electrode 130b and the third electrode 130c. The second wiring 160q is electrically connected to the voltage generating unit 120 in the voltage generating unit housing case 120h, and extends to the outside of the voltage generating unit housing case 120h through the hole of the voltage generating unit housing case 120h. In addition, the second wiring 160q is electrically connected to the second electrode 130b and the third electrode 130c in the second electrode supporting part 130hq, and extends to the outside of the second electrode supporting part 130hq through the hole of the second electrode supporting part 130hq.

[0359] According to the present embodiment, the discharge device 100 includes a voltage generating unit housing case 120h, a first electrode supporting part 130hp, a second electrode supporting part 130hq, a first wiring 160p, and a second wiring 160q in addition to the voltage generating unit 120, the first electrode 130a, and the second electrode 130b. The first electrode supporting part 130hp supports the first electrode 130a. The second electrode supporting part 130hq supports the second electrode 130b. The voltage generating unit housing case 120h houses the voltage generating unit 120. The first wiring 160p electrically connects the voltage generating unit 120 and the first electrode 130a. The second wiring 160q electrically connects the voltage generating unit 120 and the second electrode 130b. The first electrode 130a, the second electrode 130b, and the voltage generating unit 120 that applies voltage to the first electrode 130a and the second electrode 130b can be arranged in different places.

[0360] Next, refer to Figure 25-26 The discharge device 100 according to this embodiment will be described. Fig.26 : is a schematic exploded perspective view of the discharge device 100 of this embodiment. Fig.26In addition to the point that the electrode support portion 130h is separated into the first electrode support portion 130hp and the second electrode support portion 130hq in the discharge device 100, there is also a reference Fig.23 The configuration is the same as that of the above-described discharge device 100 , and duplicate descriptions thereof will be omitted for the purpose of avoiding redundancy.

[0361] like Fig.26 As shown, the discharge device 100 includes a voltage generating unit 120, a voltage generating unit housing box 120h, a first electrode 130a, a second electrode 130b, a third electrode 130c, a fourth electrode 130d, a first circuit substrate 140p, a second circuit substrate 140q, an electrode substrate 150p, an electrode substrate 150q, a first electrode supporting unit 130hp, a second electrode supporting unit 130hq, wiring 160pa, wiring 160pb, wiring 160qa and wiring 160qb.

[0362] The first electrode support part 130hp receives the first circuit substrate 140p and the electrode substrate 150p. In addition, the first electrode support part 130hp supports the first electrode 130a and the fourth electrode 130d. For example, the first electrode support part 130hp receives at least a portion of the first electrode 130a and the fourth electrode 130d.

[0363] The first electrode 130a and the fourth electrode 130d are mounted on the first circuit substrate 140p. For example, the first electrode 130a and the fourth electrode 130d are bonded to the first circuit substrate 140p by the same bonding member.

[0364] The second electrode supporting portion 130hq accommodates the second circuit substrate 140q and the electrode substrate 150q. The second electrode supporting portion 130hq also supports the second electrode 130b and the third electrode 130c. For example, the second electrode supporting portion 130hq accommodates at least a portion of the second electrode 130b and the third electrode 130c.

[0365] The second electrode 130b and the third electrode 130c are mounted on the second circuit substrate 140q. For example, the second electrode 130b and the third electrode 130c are bonded to the second circuit substrate 140q by the same bonding member.

[0366] The wiring 160pa electrically connects the voltage generating unit 120 and the first circuit substrate 140p. The wiring 160pa extends from a hole of the voltage generating unit housing case 120h housing the voltage generating unit 120 to the outside of the voltage generating unit housing case 120hp. Also, the wiring 160a extends from a hole of the first electrode supporting unit 130hp housing the first circuit substrate 140p to the outside of the first electrode supporting unit 130hp.

[0367] In addition, the wiring 160pb electrically connects the voltage generating unit 120 and the electrode substrate 150p. The wiring 160pb extends from the hole of the voltage generating unit housing case 120h housing the voltage generating unit 120 to the outside of the voltage generating unit housing case 120h. In addition, the wiring 160pa extends from the hole of the first electrode supporting unit 130hp housing the electrode substrate 150p to the outside of the first electrode supporting unit 130hp.

[0368] The wiring 160qa electrically connects the voltage generating unit 120 and the second circuit substrate 140q. The wiring 160qa extends from a hole of the voltage generating unit housing case 120h housing the voltage generating unit 120 to the outside of the voltage generating unit housing case 120hp. Furthermore, the wiring 160qa extends from a hole of the second electrode supporting unit 130hq housing the second circuit substrate 140q to the outside of the second electrode supporting unit 130hq.

[0369] In addition, the wiring 160qb electrically connects the voltage generating unit 120 and the electrode substrate 150q. The wiring 160qb extends from the hole of the voltage generating unit housing case 120h housing the voltage generating unit 120 to the outside of the voltage generating unit housing case 120h. Furthermore, the wiring 160qb extends from the hole of the second electrode supporting part 130hq housing the electrode substrate 150q to the outside of the second electrode supporting part 130hq.

[0370] The first electrode support part 130hp includes a housing part 130hpa and a cover 130hpb. The housing part 130hpa is a box-shaped part with an open top surface and a recessed bottom surface exposed. The housing part 130hpa houses at least a portion of each of the first electrode 130a and the fourth electrode 130d. The housing part 130hpa houses the first circuit substrate 140p and the electrode substrate 150p.

[0371] The second electrode support part 130hq includes a housing part 130hqa and a cover 130hqb. The housing part 130hqa is a box-shaped part with an open top surface and a recessed bottom surface exposed. The housing part 130hqa houses at least a portion of each of the second electrode 130b and the third electrode 130c. The housing part 130hqa houses the second circuit substrate 140q and the electrode substrate 150q.

[0372] The first circuit substrate 140p includes an insulating substrate 141, a circuit 142, and a diode 143. The circuit 142 is disposed on the insulating substrate 141. The diode 143 passes a voltage of one polarity among voltages input to the circuit 142. The voltage passed through the diode 143 is applied to the first electrode 130a and the fourth electrode 130d.

[0373] The second circuit substrate 140q includes an insulating substrate 141, a circuit 142, and a diode 144. The circuit 142 is disposed on the insulating substrate 141. The diode 144 passes a voltage of the other polarity among the voltages input to the circuit 142. The voltage passed through the diode 144 is applied to the second electrode 130b and the third electrode 130c.

[0374] The electrode substrate 150p is accommodated in the first electrode supporting part 130hp. The electrode substrate 150p is arranged at a position away from the first circuit substrate 140p and overlapped with the first circuit substrate 140p. The electrode substrate 150p includes an insulating substrate 151p and an induction electrode 152p.

[0375] The electrode substrate 150q is accommodated in the second electrode supporting portion 130hq. The electrode substrate 150q is arranged at a position away from the second circuit substrate 140q and overlapping with the second circuit substrate 140q. The electrode substrate 150q includes an insulating substrate 151q and an induction electrode 152q.

[0376] The wiring 160pa connects the first output terminal 122a of the booster circuit 122 to the circuit 142 of the first circuit substrate 140p. The wiring 160pa extends from the hole of the housing portion 120ha that houses the booster circuit 122 to the outside of the housing portion 120ha. In addition, the wiring 160pa extends from the hole of the housing portion 130hpa that houses the first circuit substrate 140p to the outside of the housing portion 130hpa.

[0377] In addition, the wiring 160pb connects the second output terminal 122b of the boost circuit 122 to the induction electrode 152p of the electrode substrate 150p. The wiring 160pb extends from the hole of the housing portion 120ha that houses the boost circuit 122 to the outside of the housing portion 120ha. The wiring 160pb extends from the hole of the housing portion 130hpa that houses the electrode substrate 150p to the outside of the housing portion 130hpa.

[0378] The wiring 160qa connects the first output terminal 122a of the booster circuit 122 and the circuit 142 of the second circuit substrate 140q. The wiring 160qa extends from the hole of the housing portion 120ha that houses the booster circuit 122 to the outside of the housing portion 120ha. In addition, the wiring 160qa extends from the hole of the housing portion 130hqa that houses the second circuit substrate 140q to the outside of the housing portion 130hqa.

[0379] In addition, the wiring 160qb connects the second output terminal 122b of the booster circuit 122 and the induction electrode 152 of the electrode substrate 150q. The wiring 160qb extends from the hole of the housing portion 120ha that houses the booster circuit 122 to the outside of the housing portion 120ha. The wiring 160qb extends from the hole of the housing portion 130hqa that houses the electrode substrate 150q to the outside of the housing portion 130hqa.

[0380] The discharge device 100 includes an insulating member 170a, an insulating member 170p, and an insulating member 170q. The insulating member 170a, the insulating member 170p, and the insulating member 170q have insulating properties. The insulating member 170a is accommodated in the accommodation portion 120ha. The insulating member 170p is accommodated in the first electrode support portion 130hp. The insulating member 170q is accommodated in the second electrode support portion 130hq.

[0381] According to the present embodiment, the discharge device 100 includes a first circuit substrate 140p and a second circuit substrate 140q in addition to the voltage generating unit 120, the first electrode 130a, the second electrode 130b, the first electrode supporting unit 130hp, and the second electrode supporting unit 130hq. The first circuit substrate 140p is arranged in the first electrode supporting unit 130hp. The first electrode 130a is mounted on the first circuit substrate 140p. The second circuit substrate 140q is arranged in the second electrode supporting unit 130hq. The second electrode 130b is mounted on the second circuit substrate 140q. The first electrode 130a and the second electrode 130b may be mounted on the first circuit substrate 140p and the second circuit substrate 140q of the first electrode supporting unit 130hp and the second electrode supporting unit 130hq, respectively.

[0382] The embodiments of the present invention are described above with reference to the accompanying drawings. However, the present invention is not limited to the above-mentioned embodiments, and can be implemented in various ways without departing from the scope of its purpose. In addition, various inventions can be formed by appropriately combining the multiple components disclosed in the above-mentioned embodiments. For example, several components can also be deleted from all the components shown in the embodiments. Furthermore, the components related to different embodiments can also be appropriately combined. For ease of understanding, the drawings are schematically shown with each component as the main body, and the thickness, length, number, spacing, etc. of each component shown in the drawings are sometimes different from the actual ones from the perspective of the drawing production. In addition, the material, shape, size, etc. of each component shown in the above-mentioned embodiments are just examples, and are not particularly limited. Various changes can be made within the scope that does not substantially depart from the effect of the present invention. Industrial Applicability

[0383] One embodiment of the present invention can be applied to a discharge device.

Claims

1. A discharge device, characterized in that: have: a voltage generating unit; a first electrode disposed in the first air passage and to which a voltage is applied from the voltage generating unit; and The second electrode is disposed in the second air passage and is applied with a voltage from the voltage generating unit.

2. The discharge device according to claim 1, characterized in that: The voltage generating unit applies voltages of the same polarity to the first electrode and the second electrode.

3. The discharge device according to claim 2, characterized in that: Also available: a third electrode disposed in the first air passage and to which a voltage having a polarity different from that of the first electrode is applied from the voltage generating unit; and The fourth electrode is disposed in the second air passage, and a voltage having a polarity different from that of the second electrode is applied from the voltage generating unit.

4. The discharge device according to any one of claims 1 to 3, characterized in that: The invention further includes a housing that accommodates at least a part of the first electrode and the second electrode and the voltage generating unit.

5. The discharge device according to any one of claims 1 to 3, characterized in that: Also available: A first electrode supporting portion, which supports the first electrode; a second electrode supporting portion, which supports the second electrode; A voltage generating unit housing box housing the voltage generating unit; a first wiring electrically connecting the voltage generating unit and the first electrode; as well as A second wiring electrically connects the voltage generating unit and the second electrode.

6. The discharge device according to claim 5, characterized in that: Also available: a first circuit substrate, which is disposed in the first electrode supporting portion and is mounted with the first electrode; and The second circuit substrate is arranged in the second electrode supporting portion and is mounted with the second electrode.

7. The discharge device according to any one of claims 1 to 3, characterized in that: Also available: an electrode supporting portion, which supports the first electrode and the second electrode; A voltage generating unit housing box housing the voltage generating unit; A wiring electrically connects the voltage generating unit to the first electrode and the second electrode.

8. The discharge device according to any one of claims 1 to 3, characterized in that: The voltage generating unit includes a boost circuit including a transformer that boosts an input voltage.

9. An air supply device, characterized in that: have: a wind generating part that generates wind; a first wind path through which a portion of the wind generated by the wind generating unit flows; a second wind path through which another part of the wind generated by the wind generating unit flows; and A discharge device, which performs discharge in the first air passage and the second air passage respectively; the discharge device comprises: a voltage generating unit; A first electrode, at least a portion of which is disposed in the first air passage and to which a voltage is applied from the voltage generating unit; and The second electrode has at least a portion disposed in the second air passage and receives a voltage from the voltage generating unit.

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