JP2012071247A - Apparatus for generating active species and indoor unit of air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus for generating active species which can be made compact, and an indoor unit of an air conditioner which includes the apparatus for generating active species.SOLUTION: The apparatus 30 for generating active species includes: a first rectangular electrode 32 on which a discharge needle 34 is arranged; a second rectangular electrode 35 arranged so as to cross a discharge needle-arranged portion of the first rectangular electrode 32 in planar view; two supporting parts 44a, 44b for supporting the first electrode 32 on both sides of the discharge needle 34; and two supporting parts 45a, 45b for supporting the second electrode 35 on both sides of the crossing portion thereof with the first electrode 32. The supporting parts 44a, 44b are arranged between two straight lines which pass the supporting parts 45a, 45b respectively and are orthogonal to a straight line connecting the supporting parts 45a, 45b in planar view. In the apparatus 30 for generating active species, a voltage is applied between the first electrode 32 and the second electrode 35 to generate active species.

Description

  The present invention relates to an active species generator and an indoor unit of an air conditioner including the active species generator.

  2. Description of the Related Art Conventionally, active species generating apparatuses that generate active species such as electrons and radicals using discharge are known. The active species has the ability to decompose harmful components and odor components contained in the air, and the active species generator is provided in an air purifier, an air conditioner, or the like.

  For example, a streamer discharge unit (active species generation device) described in Patent Document 1 is disposed opposite to a rectangular discharge electrode plate provided with a discharge needle so as to be rectangular and have a longitudinal direction that coincides with the discharge electrode plate. A grounding plate. The discharge electrode plate and the ground plate are each supported by two insulating columns at both ends. The four insulating struts are arranged on a straight line on the same plane.

JP 2007-215985 A

  However, in the streamer discharge unit of Patent Document 1, the longitudinal direction of the two electrode plates (discharge electrode plate and ground plate) and the direction of the creeping distance between the insulating post for the adjacent electrode plate and the insulating post for the ground plate And are consistent. Therefore, in order to ensure a creepage distance that does not cause creeping discharge, it is necessary to increase the length of the electrode plate. Therefore, it has been difficult to downsize the streamer discharge unit.

  Then, an object of this invention is to provide the active species production | generation apparatus which can be reduced in size, and the indoor unit of an air conditioner provided with the same.

  In order to solve the above-described problem, an active species generating apparatus according to a first invention includes a rectangular first electrode provided with a discharge needle, and a portion of the first electrode provided with the discharge needle in plan view. A rectangular second electrode arranged to intersect the first electrode, two first support parts for supporting the first electrode on both sides of the discharge needle, and the first electrode on both sides of the intersection with the first electrode. Two second support portions that support two electrodes, and the two first support portions are orthogonal to a straight line connecting the two second support portions in a plan view and are provided with the two second support portions. The active species are generated by applying a voltage between the first electrode and the second electrode. The active species are generated between the first electrode and the second electrode.

  In this active species generating device, the first electrode and the second electrode are arranged so as to intersect each other, and the two first support parts that support the first electrode have two two electrodes that support the second electrode in plan view. Since it is arranged between two straight lines that are orthogonal to the straight line connecting the second support parts and that passes through the two second support parts, it is possible to ensure a sufficient creepage distance between the first support part and the second support part. As compared with the case where the two first support portions and the two second support portions are arranged in a straight line in a plan view, the active species generating apparatus can be downsized in the linear direction connecting the two second support portions.

  The active species generating apparatus according to the second invention is characterized in that, in the first invention, the distance between the two first support portions is shorter than the distance between the two second support portions.

  In this active species generating device, the active species generating device can be prevented from increasing in size in the linear direction connecting the two first support portions.

  In the first or second invention, the active species generating apparatus according to the third invention is characterized in that the first electrode and the second electrode are substantially orthogonal in a plan view.

  In this active species generating apparatus, since the first electrode and the second electrode are substantially orthogonal, the creeping distance between the first support portion and the second support portion can be all made the same. Therefore, since all the creepage distances can be set to the minimum necessary distance, the active species generating apparatus can be further downsized while ensuring the insulation between the first electrode and the second electrode.

  An indoor unit of an air conditioner according to a fourth invention is characterized by including the active species generating device according to any one of the first to third inventions.

  Since this indoor unit of an air conditioner includes an active species generating device that can be reduced in size, the degree of freedom in design is improved.

  As described above, according to the present invention, the following effects can be obtained.

  In the first invention, the first electrode and the second electrode are arranged so as to intersect with each other, and the two first support portions that support the first electrode have two second supports that support the second electrode in plan view. Since it is arranged between two straight lines that are orthogonal to the straight line that connects the two support parts and passes through the two second support parts, while ensuring a sufficient creepage distance between the first support part and the second support part, Compared with the case where the two first support portions and the two second support portions are arranged in a straight line in a plan view, the active species generating apparatus can be downsized in the linear direction connecting the two second support portions.

  In the second invention, it is possible to prevent the active species generator from increasing in size in the linear direction connecting the two first support portions.

  In the third invention, since the first electrode and the second electrode are substantially orthogonal to each other, the creeping distance between the first support portion and the second support portion can be all made the same. Therefore, since all the creepage distances can be set to the minimum necessary distance, the active species generating apparatus can be further downsized while ensuring the insulation between the first electrode and the second electrode.

  In the fourth invention, since the active species generating device that can be reduced in size is provided, the degree of freedom in design is improved.

It is a perspective view of the indoor unit concerning the embodiment of the present invention. It is the sectional view on the AA line of FIG. It is a perspective view of the indoor unit in a state where the front panel is opened. It is a perspective view of an indoor unit in a state where a streamer discharge unit is removed. It is a perspective view of a streamer discharge unit. (A) is a top view of a streamer discharge unit, (b) is a partially omitted sectional view taken along the line BB of (a), and (c) is a part of the CC line of (a). FIG. (A) is a top view of the streamer discharge unit in a state where the cover is removed, and (b) is a view taken in the direction of arrow D in (a). (A) is a top view of the frame of a streamer discharge unit, (b) is an E arrow view of (a). It is a schematic plan view of the active species production | generation apparatus which concerns on other embodiment of this invention. (A) is a schematic plan view of the active species production | generation apparatus which concerns on other embodiment of this invention, (b) is the figure which looked at (a) from the downward direction in the figure.

  Hereinafter, an indoor unit 1 of an air conditioner according to an embodiment of the present invention will be described.

  As shown in FIG. 1, the indoor unit 1 of this embodiment has an elongated shape in one direction as a whole, and is installed on a wall surface in the room so that the longitudinal direction is horizontal. The indoor unit 1 constitutes an air conditioner together with an outdoor unit (not shown), and performs indoor air conditioning. In the following description, the direction protruding from the wall to which the indoor unit 1 is attached is referred to as “front”, and the opposite direction is referred to as “rear”. Further, the left-right direction in FIG. 1 is simply referred to as “left-right direction”.

  As shown in FIG. 2, the indoor unit 1 includes a casing 10, a main body 20 accommodated in the casing 10, and a streamer discharge unit (active species generation device) 30.

  As shown in FIG. 2 and FIG. 3, the casing 10 is formed in a substantially rectangular parallelepiped box shape with the rear opening. The casing 10 includes a grill 11 having an opening 11 c on the front surface, and a front panel 12 that opens and closes the opening 11 c of the grill 11. As shown in FIGS. 1 and 2, a suction port 11 a is formed in the ceiling of the grill 11. The suction port 11 a is a plurality of slit-like openings that are long in the longitudinal direction of the indoor unit 1. As shown in FIG. 2, a suction port 12 a is formed at the upper end of the front panel 12. The suction port 11a and the suction port 12a are combined into a suction port 10a. A blower outlet 11 b is formed in the lower part of the grill 11. The blower outlet 11b is a rectangular opening long in the left-right direction.

  As shown in FIG. 2, the main body 20 includes a fan 21, a heat exchanger 22, two dustproof filters (not shown), an attachment 23 to which the streamer discharge unit 30 is attached, and a horizontal blade 24. ing.

  The fan 21 is disposed such that its axial direction is along the left-right direction. The fan 21 sucks up and down air and blows it out downward. The heat exchanger 22 is arranged so as to surround the upper side and the front side of the fan 21.

  The horizontal blade | wing 24 is arrange | positioned in the vicinity of the blower outlet 11b. The horizontal blades 24 change the wind direction in the vertical direction of the airflow blown from the air outlet 11b, and open and close the air outlet 11b.

  The two dustproof filters (not shown) are arranged side by side in the grill 11 at a position close to the suction port 10a. The dust filter is provided to capture relatively large dust contained in the passing air. The range in the left-right direction in which the right dustproof filter is disposed is a range A1 illustrated in FIG. 3 and includes the range in the left-right direction in which the streamer discharge unit 30 is disposed. The range in the left-right direction in which the left dustproof filter is disposed is a range A2 shown in FIG. The length of the range A1 and the range A2 in the left-right direction is substantially the same.

  As shown in FIG. 3, the attachment portion 23 is disposed on the right side portion in the grill 11. As shown in FIG. 2, the attachment portion 23 is disposed between the front portion of the suction port 10 a and the heat exchanger 22. As shown in FIGS. 3 and 4, the attachment portion 23 has an opening portion 23a that opens downward, and the streamer discharge unit 30 can be attached to the attachment portion from the opening portion 23a in a state where the front panel 12 is opened. 23 is inserted and removed.

  The streamer discharge unit 30 (active species generator) is detachably attached to the attachment portion 23. As shown in FIG. 2, the streamer discharge unit 30 is disposed in parallel to the inclined surface 22 a on the front side of the heat exchanger 22. In the following description of the streamer discharge unit 30, the up-down direction, the front-rear direction, and the left-right direction with the streamer discharge unit 30 attached to the attachment portion 23 are simply referred to as the up-down direction, the front-rear direction, and the left-right direction.

  As shown in FIGS. 5 and 6, the streamer discharge unit 30 includes a substantially rectangular frame 40, a cover 50 attached to the front side of the frame 40, and a discharge unit 31 disposed between the frame 40 and the cover 50. And a rectangular plate-shaped deodorizing filter 60 attached to the rear side of the frame 40. As shown in FIG. 6, the discharge unit 31 includes a substantially rectangular discharge electrode plate (first electrode) 32, a discharge needle 34 provided on the discharge electrode plate 32, and a rectangular shape that is longer than the discharge electrode plate. And an electrode plate (second electrode) 35. In FIG. 6B and FIG. 6C, a part of the frame 40 and the deodorizing filter 60 are omitted.

  As shown in FIGS. 5 and 8, the frame 40 is provided with a rectangular outer frame portion 41, a substantially plate-like pedestal portion 43 disposed inside the outer frame portion 41, and the pedestal portion 43. It has 1st support pillar (1st support part) 44a, 44b and 2nd support pillar (2nd support part) 45a, 45b. The frame 40 is made of an insulating synthetic resin material.

As shown in FIG. 5, quarter-circle holes 41 a are formed at the four corners of the outer frame portion 41. A 1/4 circular holding portion 42a is provided behind the hole 41a. The holding part 42a holds the deodorizing filter 60 between the front part of the outer frame part 41 together with holding parts 42b and 42c described later. A semicircular hole 41b is formed in the central part of the left and right sides of the outer frame part 41 and the central part of the upper side, and a semicircular holding part 42b is provided behind the hole 41b. . As shown in FIG. 6A, two semicircular holding portions 42 c are provided on the lower side of the outer frame portion 41.
As shown in FIGS. 5 and 6C, a communication hole 41 d for allowing air to pass through is formed in the front portion of the outer frame portion 41.

  As shown in FIGS. 6B and 8, the pedestal portion 43 is formed with a plurality of circular holes 43 a for allowing air to pass therethrough.

  As shown in FIGS. 6B and 6C, the first support columns 44 a and 44 b and the second support columns 45 a and 45 b are substantially forward from the pedestal portion 43 (specifically, orthogonal to the pedestal portion 43. Protruding in the direction). The first support columns 44a and 44b and the second support columns 45a and 45b are columnar and have screw holes therein. The discharge electrode plate 32 is fixed to the first support columns 44a and 44b by screws 46a and 46b, and the counter electrode plate 35 is fixed to the second support columns 45a and 45b by screws 47a and 47b.

  As shown in FIG.6 (c), the protrusion length from the base part 43 of the 1st support pillars 44a and 44b is mutually the same. Moreover, as shown in FIG.6 (b), the protrusion length from the base part 43 of the 2nd support pillars 45a and 45b is mutually the same, and is longer than the 1st support pillars 44a and 44b.

  As shown in FIG. 8A, the first support pillars 44a and 44b are arranged away from each other in the vertical direction at the approximate center in the horizontal direction of the frame 40. Further, the second support pillars 45a and 45b are disposed apart from each other in the left-right direction at the approximate center of the frame 40 in the up-down direction. Further, the intermediate position between the first support pillars 44a and 44b and the intermediate position between the second support pillars 45a and 45b substantially coincide.

  Further, as shown in FIG. 6B, the discharge needle 34 is disposed at a position intermediate between the second support pillars 45a and 45b. The distance between the two second support columns 45 a and 45 b is such that when a predetermined voltage is applied between the discharge electrode plate 32 and the counter electrode plate 35, the second support columns 45 a and 45 b and the discharge needle 34 are separated from each other. The distance is set such that no discharge occurs between the two. The distance between the two first support columns 44a and 44b is shorter than the distance between the two second support columns 45a and 45b.

  Further, creepage distances (distances along the unevenness of the front surface of the pedestal portion 43) D1 to D4 (see FIG. 8A) between the first support columns 44a and 44b and the second support columns 45a and 45b are discharge electrode plates. The distance is set such that creeping discharge does not occur between the first support columns 44a and 44b and the second support columns 45a and 45b when a predetermined voltage is applied between the first support columns 44 and the counter electrode plate 35. ing.

  The discharge electrode plate 32 is fixed to the first support column 44b in the vicinity of one end in the longitudinal direction (lower end in FIG. 7A), and is slightly separated from the other end in the longitudinal direction (upper end in FIG. 7A). The position is fixed to the first support column 44a. As shown in FIG. 6A, the upper end portion 32 a of the discharge electrode plate 32 is exposed outside the cover 50.

  As shown in FIG. 7A, a discharge needle holding portion 33 is provided at an intermediate position between the first support columns 44 a and 44 b of the discharge electrode plate 32. As shown in FIG. 7B, the discharge needle holding portion 33 protrudes from the discharge electrode plate 32 in a direction orthogonal to the pedestal portion 43. The distal end portion of the discharge needle holding portion 33 is folded, and the discharge needle 34 is sandwiched between the folded portions. Both ends of the discharge needle 34 protrude from the discharge needle holding portion 33. The discharge needle 34 is made of a tungsten wire having a wire diameter of 0.2 mm, for example. In the present embodiment, the discharge needle 34 is arranged in a direction orthogonal to the longitudinal direction of the discharge electrode plate 32 in plan view, but may be arranged in a direction orthogonal to the longitudinal direction of the counter electrode plate 35. Good.

  The counter electrode plate 35 is fixed to the second support column 45a in the vicinity of one end in the longitudinal direction (left end in FIG. 7A), and is slightly separated from the other end in the longitudinal direction (right end in FIG. 7A). The position is fixed to the second support pillar 45b. Accordingly, the counter electrode plate 35 is disposed so as to face the discharge electrode plate 32 in a plan view. As shown in FIG. 6A, the right end portion 35 a of the counter electrode plate 35 is exposed outside the cover 50.

As shown in FIG. 2, the upper end portion 32 a of the discharge electrode plate 32 is disposed so as to be insertable / removable between a main body connecting portion 25 provided in the main body portion 20 and the sandwiching portion 26, and It is connected. The main body connection part 25 is connected to the positive electrode side of a power supply part (not shown).
Although not shown, the right end portion of the counter electrode plate 35 is electrically connected to a ground connection portion provided in the main body portion 20. The ground connection part (not shown) is connected to the negative electrode side (ground side) of the power supply part (not shown).

  When a voltage is applied between the discharge electrode plate 32 and the counter electrode plate 35, streamer discharge is generated from both ends of the discharge needle 34 toward the counter electrode plate 35, thereby generating low-temperature plasma. This low-temperature plasma generates active species such as fast electrons, ions, hydroxyl radicals, and excited oxygen molecules. These active species have the ability to decompose harmful components and odor components in the air composed of small organic molecules such as ammonia, aldehydes and nitrogen oxides.

  As shown in FIGS. 5 and 6, the cover 50 is disposed in front of the pedestal portion 43. The cover 50 is formed of an insulating synthetic resin material, and is a box that is open at the rear. The cover 50 has a protruding portion 55 that protrudes downward. As shown in FIGS. 6B and 6C, the discharge part 31 is disposed in a space 51 (hereinafter referred to as a discharge space 51) formed between the cover 50 and the pedestal part 43. .

  Further, as shown in FIG. 5, a cutout portion 52 a is formed on the right side surface 52 of the cover 50. The right end portion 35 a of the counter electrode plate 35 protrudes outside the cover 50 from the cutout portion 52 a. Further, as shown in FIGS. 6A and 6C, a notch 53a is formed at the center in the left-right direction of the upper surface 53 of the cover 50. An upper end portion 32 a of the discharge electrode plate 32 protrudes from the cutout portion 53 a to the outside of the cover 50.

  As shown in FIG. 6A, the upper surface 53 of the cover 50 is formed with a plurality of circular holes 53b for allowing air to pass therethrough. As shown in FIG. 6B, a plurality of circular holes 54a for allowing air to pass therethrough are formed in the lower surface 54 of the cover 50. Further, as shown in FIG. 6C, the protrusion 55 of the cover 50 has an opening 55 a at a position corresponding to the communication hole 41 d formed in the outer frame 41.

  The deodorizing filter 60 is formed in a rectangular plate shape having substantially the same size as the inner peripheral surface of the outer frame portion 41. As described above, the deodorizing filter 60 is held between the outer frame portion 41 and the holding portions 42a, 42b, and 42c. The deodorizing filter 60 is obtained by, for example, supporting an adsorbent and a plasma catalyst on the surface of a substrate having a honeycomb structure. The adsorbent adsorbs odor components and harmful components in the air, and specifically, zeolite or activated carbon is used. The plasma catalyst activates active species generated in the discharge unit 31 to promote decomposition of harmful components and odor components, and specifically, a manganese-based catalyst or a noble metal-based catalyst is used.

Next, the operation of the indoor unit 1 will be described.
By driving the fan 21, air is sucked into the casing 10 from the suction port 10a. The air sucked from the left portion of the suction port 10a passes through the dust filter (not shown) on the left side, passes through the heat exchanger 22 and is heat-exchanged, and then passes through the fan 21 to blow out the air outlet 11b. Is blown out.

  Moreover, the air sucked from the right portion of the suction port 10a passes through the right dust filter (not shown). A part of the air that has passed through the right dustproof filter flows into the mounting portion 23 from the opening 23 a, and then passes through the communication hole 41 d of the frame 40, the opening 55 a of the cover 50, and the circular hole 54 a, thereby discharging the space 51. Flow into.

  In the discharge space 51, streamer discharge is generated between the discharge needle 34 and the counter electrode plate 35, thereby generating active species. The air in the discharge space 51 passes through the deodorizing filter 60 after being discharged from the discharge space 51 through the circular hole 53 b of the cover 50 and the circular hole 43 a of the pedestal 43. Then, it passes through the heat exchanger 22 and the fan 21 and is blown out from the air outlet 11b.

  When air discharged from the discharge space 51 passes through the deodorizing filter 60, harmful components and odor components in the air are adsorbed by the deodorizing filter 60, so that the air is deodorized and sterilized. The active species contained in the air is activated by the plasma catalyst and decomposes harmful components and odor components adsorbed on the deodorizing filter 60. Thereby, the adsorption performance of the deodorizing filter 60 is regenerated.

  The remaining air that has passed through the right dustproof filter (not shown) passes through the heat exchanger 22 and the fan 21 and is blown out from the outlet 11b without passing through the streamer discharge unit 30.

In the streamer discharge unit 30 of the present embodiment described above, the discharge electrode plate 32 and the counter electrode plate 35 are arranged to face each other so as to be orthogonal to each other. Therefore, compared with the case where the discharge electrode plate and the counter electrode plate are disposed to face each other so that the longitudinal directions thereof coincide with each other, and the two first support columns are disposed between the two second support columns, Even if the creeping distance between the first support portion and the second support portion is the same, the discharge portion 31 can be shortened by the distance between the two first support pillars in the longitudinal direction of the discharge electrode plate.
In addition, compared with the case where the discharge electrode plate and the counter electrode plate are disposed to face each other so that the longitudinal directions thereof coincide with each other, and two second support columns are disposed between the two first support columns, Even if the creeping distance between the first support portion and the second support portion is the same, the discharge portion 31 is provided by the distance between the adjacent first support column and the second support column in the longitudinal direction of the discharge electrode plate. Can be shortened.
Thus, the streamer discharge unit 30 can be downsized in the longitudinal direction of the discharge electrode plate 32 as compared with the case where the four support portions that support the electrode plate are arranged in a straight line. As a result, since the freedom degree of arrangement | positioning of the streamer discharge unit 30 improves, the freedom degree of design of the indoor unit 1 improves.

  The distance between the two first support columns 44a and 44b is shorter than the distance between the two second support columns 45a and 45b. Therefore, it is possible to prevent the streamer discharge unit 30 from increasing in size in the linear direction connecting the two first support portions 44a and 44b.

  Further, since the discharge electrode plate 32 and the counter electrode plate 35 are orthogonal to each other, the creeping distances D1 to D4 between the first support portions 44a and 44b and the second support portions 45a and 45b (see FIG. 8A). Can all be the same. Therefore, since the creepage distances D1 to D4 can be set to the minimum necessary distance, the streamer discharge unit 30 is compared with the case where the discharge electrode plate 32 and the counter electrode plate 35 are not orthogonal while ensuring insulation between the discharge electrode plate 32 and the counter electrode plate 35. Can be made smaller.

  Also, the right dustproof filter among the two dustproof filters (not shown) arranged side by side is arranged in a range (range A1 in FIG. 3) including the range in which the streamer discharge unit 30 is arranged in the horizontal direction. Is done. For this reason, the lengths of the two dustproof filters in the left-right direction depend on the length of the streamer discharge unit 30 in the left-right direction. Cannot be the same. In this embodiment, since the streamer discharge unit 30 can be reduced in size in the left-right direction, the left-right lengths of the left and right dustproof filters (the lengths of the ranges A1, A2 in FIG. 3) can be made the same.

In the present embodiment, the discharge needle 34 is arranged in a direction orthogonal to the longitudinal direction of the discharge electrode plate 32 in plan view. Therefore, the length in the longitudinal direction of the discharge electrode plate 32 can be shortened as compared with the case where the discharge needles 34 are arranged in a direction orthogonal to the longitudinal direction of the counter electrode plate 35.
Further, when the discharge needles 34 are arranged in a direction orthogonal to the longitudinal direction of the counter electrode plate 35, the length of the counter electrode plate 35 in the longitudinal direction can be shortened as compared with the present embodiment.

  As mentioned above, although embodiment of this invention was described, it should be thought that the specific structure of this invention is not limited to the said embodiment. The scope of the present invention is shown not only by the description of the above-described embodiment but also by the scope of claims for patent, and further includes meanings equivalent to the scope of claims for patent and all modifications within the scope. Note that the modifications described below can be implemented in appropriate combination.

In the above embodiment, the discharge electrode plate 32 and the counter electrode plate 35 are orthogonal to each other in plan view, but the present invention is not limited to this configuration. As shown in FIG. 9, the first support portions 144a and 144b that support the discharge electrode plate 132 are orthogonal to the straight line L1 that connects the second support portions 145a and 145b that support the counter electrode plate 135 in the plan view. 2 Disposed between two straight lines L2 and L3 that respectively pass through the support portions 145a and 145b, the discharge electrode plate 132 and the counter electrode plate 135 intersect at an angle other than 90 ° in plan view. Also good. Even in this configuration, the length of the counter electrode plate 135 can be shortened as compared with the case where the discharge electrode plate and the counter electrode plate are arranged to face each other so that the longitudinal directions thereof coincide with each other. In this case, the discharge needle 134 is provided at the intersection of the discharge electrode plate 132 with the counter electrode plate 135. Further, the creepage distance between the first support portion 144a and the second support portions 145a and 145b and the creepage distance between the first support portion 145b and the second support portions 145a and 145b are set to a distance at which creeping discharge does not occur. ing.
The angle formed by the discharge electrode plate and the counter electrode plate is preferably 70 ° to 110 °, and more preferably 80 ° to 100 °.

  In the said embodiment, although the 1st support pillar 44a, 44b and the 2nd support pillar 45a, 45b protrude from the base part 43, it is not limited to this structure. For example, as shown in FIG. 10, the first support columns 244a and 244b and the second support columns 245a and 245b are connected by connecting portions 248a, 248b, 248c and 248d, and the discharge electrode plate 232 and the counter electrode plate 235 are connected to each other. The structure arrange | positioned between these may be sufficient. In this case, the creepage distance between the first support columns 244a and 244b and the second support columns 245a and 245b is a distance along the surfaces of the connecting portions 248a, 248b, 248c, and 248d.

  In the said embodiment, although the deodorizing filter 60 is attached to the flame | frame 40 of the streamer discharge unit 30, it is not limited to this structure. The frame for attaching the deodorizing filter 60 may be separate from the frame 40 of the streamer discharge unit 30.

  The arrangement position of the streamer discharge unit 30 in the indoor unit 1 is not limited to the position of the above embodiment as long as the air sucked by the fan 21 passes through.

  In the streamer discharge unit 30 of the above embodiment, active species are generated by streamer discharge. However, active species may be generated by glow discharge or barrier discharge.

  In the above embodiment, an example in which the active species generating device is applied to an indoor unit of an air conditioner has been described. However, the active species generating device of the present invention is also applicable to devices other than the indoor unit of an air conditioner such as an air purifier. Is possible.

  By utilizing the present invention, the active species generating apparatus can be reduced in size.

1 Air conditioner indoor unit 30 Streamer discharge unit (active species generator)
44a, 44b 1st support pillar (1st support part)
45a, 45b 2nd support pillar (2nd support part)
32 Discharge electrode plate (first electrode)
34 Discharge needle 35 Counter electrode plate (second electrode)

Claims (4)

A rectangular first electrode provided with a discharge needle;
A rectangular second electrode disposed so as to intersect a portion of the first electrode provided with the discharge needle in plan view;
Two first support parts for supporting the first electrode on both sides of the discharge needle;
Two second support portions for supporting the second electrode on both sides of the intersection with the first electrode,
The two first support portions are arranged between two straight lines that are orthogonal to a straight line connecting the two second support portions and pass through the two second support portions in plan view,
An active species generating apparatus that generates active species by applying a voltage between the first electrode and the second electrode.   2. The active species generating apparatus according to claim 1, wherein a distance between the two first support portions is shorter than a distance between the two second support portions. 3. The active species generating apparatus according to claim 1, wherein the first electrode and the second electrode are substantially orthogonal in a plan view. The indoor unit of the air conditioner provided with the active species production | generation apparatus in any one of Claims 1-3.