JP2014126318A - Outdoor unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent water from splashing on a humidification rotor.SOLUTION: An outdoor unit includes: an outdoor fan; and a humidification rotor 63 through which an air flow generated by the outdoor fan passes. A space where the outdoor fan is arranged communicates with a space where the humidification rotor 63 is arranged via a communication channel 69 located between the outdoor fan and the humidification rotor, and a water shut-off member 80 is arranged in this communication channel 69.

Description

  The present invention relates to an outdoor unit having a humidification rotor, and more particularly to an outdoor unit in which a space in which a fan is disposed and a space in which a humidification rotor is disposed communicate between the fan and the humidification rotor.

  Conventionally, as an outdoor unit of an air conditioner, there is one provided with a humidifying unit for humidifying indoor air (see, for example, Patent Documents 1 and 2). This humidification unit has a humidification rotor formed of a moisture absorbing / releasing material such as zeolite.

  In the outdoor unit described in Patent Document 2, the humidification rotor is disposed above the fan, and the air flow generated by the fan passes through a part of the humidification rotor from the top to the bottom, and is then blown out from the outlet by the fan. It has become so.

JP 2002-89896 A Japanese Patent Application No. 2012-121527

  However, as in Patent Document 2, when the space in which the humidification rotor is disposed and the space in which the fan is disposed are communicated between the humidification rotor and the fan, the space in which the fan is disposed is a suction port. In addition, since it is in communication with the air outlet, rainwater that has entered from the air inlet or air outlet may be splashed by the fan and the humidifying rotor may get wet. In addition, when the outdoor unit is washed with water, the humidification rotor may get wet by water that has entered the outdoor unit from the suction port or the outlet. When the humidification rotor gets wet, mold may be generated, and the humidification performance may be reduced, or humid air with a mold odor may be conveyed into the room.

  Accordingly, an object of the present invention is to provide an outdoor unit that can prevent water from splashing on the humidification rotor.

  An outdoor unit according to a first aspect of the present invention includes an outdoor fan and a humidification rotor through which an air flow generated by the outdoor fan passes, a space in which the outdoor fan is disposed, and a space in which the humidification rotor is disposed. However, it communicates in the communication channel located between the outdoor fan and the humidification rotor, and a water shielding member is arranged in the communication channel.

  In this outdoor unit, since a water shielding member is disposed between the outdoor fan and the humidification rotor, even if rainwater or water for cleaning the outdoor unit enters the space where the outdoor fan is disposed, It is possible to prevent water from splashing on the rotor.

  The outdoor unit according to a second aspect of the present invention is characterized in that, in the first aspect, a water shielding member is disposed to face the humidification rotor.

  In this outdoor unit, since the water shielding member is disposed so as to face the humidification rotor, it is possible to efficiently use the area of the water shielding member and prevent the humidification rotor from being splashed with water.

  An outdoor unit according to a third invention is characterized in that, in the second invention, the water shielding member includes a first plate member having at least one opening.

  In this outdoor unit, an air flow can be passed through the water shielding member.

  An outdoor unit according to a fourth aspect of the present invention is the outdoor unit according to the third aspect, wherein the water shielding member is composed of a plurality of the first plate members stacked with a gap therebetween, as viewed from the stacking direction. The opening has a portion overlapping with a non-opening portion of the adjacent first plate member.

  In this outdoor unit, the opening of the first plate member overlaps the non-opening portion of the adjacent first plate member, and a gap is formed between the first plate members. It is possible to prevent water from being applied to the humidification rotor as compared with the case where the first plate member alone is used.

  An outdoor unit according to a fifth aspect of the present invention is the outdoor unit according to the third aspect, wherein the water shielding member includes the first plate member and the second plate member, and the second plate member is the opening of the first plate member. It is possible to move between a blocking position where the first plate member is blocked and a communication position where the opening of the first plate member is not blocked.

  In this outdoor unit, when the second plate member is in the communication position, the ventilation resistance of the water shielding member can be reduced. When the second plate member is at the blocking position, the ventilation resistance of the water blocking member is higher than when the second plate member is at the communication position, but it is possible to more reliably prevent water from splashing on the humidification rotor.

  An outdoor unit according to a sixth aspect of the present invention includes a drive unit that moves the second plate member between the blocking position and the communication position in the fifth aspect, and the second plate member is in a humidifying operation. It arrange | positions at the said communication position, and when not performing the humidification driving | operation, it arrange | positions at the said interruption | blocking position, It is characterized by the above-mentioned.

  In this outdoor unit, since the second plate member is disposed at the communication position during the humidifying operation, it is possible to allow the air flow to pass through the humidifying rotor and the water shielding member while preventing water from splashing on the humidifying rotor. In addition, when the humidification operation is stopped without passing the air flow through the humidification rotor, it is possible to more reliably prevent water from splashing on the humidification rotor by disposing the second plate member at the blocking position.

  The outdoor unit according to a seventh aspect of the present invention is the outdoor unit according to the fifth or sixth aspect, wherein the second plate member has an opening, and the second plate member is in the communication position when the second plate member is in the communication position. And the opening of the first plate member overlap each other.

  In this outdoor unit, since the second plate member has an opening, when the second plate member is in the communication position, the second plate member is arranged so that the opening of the second plate member and the opening of the first plate member overlap each other. The plate member can be disposed opposite to the plate member. Therefore, the movement distance of the second plate member from the communication position to the blocking position can be shortened as compared with the case where the second plate member does not have an opening.

  An outdoor unit according to an eighth aspect of the present invention is characterized in that, in any of the fifth to seventh aspects, the second plate member is rotatable about a rotation axis of the humidification rotor.

  In this outdoor unit, since the second plate member rotates around the rotation axis of the humidification rotor, the movement range of the second plate member is made smaller than when the second plate member moves linearly in the surface direction. This can reduce the installation space for the water shielding member.

  In the outdoor unit according to a ninth aspect of the present invention, in the second aspect, the water shielding member includes a plurality of inclined plate pieces inclined with respect to the surface direction of the humidifying rotor arranged in the surface direction with a gap therebetween. It is the structure.

  In this outdoor unit, it is possible to allow an air flow to pass through the gap between the inclined plate pieces while preventing the humidifying rotor from being splashed with water by the inclined plate pieces.

  The outdoor unit according to a tenth aspect of the present invention is the outdoor unit according to the ninth aspect, wherein the humidifying rotor in the rotational axis direction of the humidifying rotor is closer to the rotational axis of the humidifying rotor as the inclined plate piece is closer to the rotational axis of the humidifying rotor in the surface direction of the humidifying rotor. It is characterized in that it is inclined away from.

  In this outdoor unit, it is possible to prevent water flying from the outdoor fan side of the communication flow path toward the central side of the humidification rotor from being applied to the humidification rotor. Therefore, it can prevent more reliably that the water for washing | cleaning an outdoor unit splashes on a humidification rotor. Further, when the flow direction of the air in the communication channel is the direction from the humidifying rotor to the outdoor fan, the air flow discharged from the gaps between the plurality of inclined plate pieces flows along the inclined direction of the inclined plate pieces. The air flow can be collected on the rotating shaft side of the humidification rotor, and is easily sucked into the outdoor fan.

  In the outdoor unit according to an eleventh aspect of the present invention, in the ninth or tenth aspect, the plurality of inclined plate pieces have an arc shape and are arranged concentrically about the rotation axis of the humidifying rotor. It is characterized by.

  In this outdoor unit, when the shape of the component that supports the plurality of inclined plate pieces is a fan shape or a circular shape, it is easy to produce a water shielding member.

  An outdoor unit according to a twelfth aspect of the present invention is the outdoor unit according to any one of the second to eleventh aspects, wherein the water shielding member is disposed to face the humidifying rotor with a gap therebetween, and the communication channel is The air flow is configured to pass through the outside in the surface direction of the water shielding member.

  In this outdoor unit, the communication flow path is configured so that the air flow can pass through the outside in the surface direction of the water shielding member. Therefore, the outdoor fan and the humidification space are humidified regardless of the ventilation resistance of the water shielding member. The space in which the rotor is arranged can be communicated.

  An outdoor unit according to a thirteenth aspect is characterized in that, in the twelfth aspect, the water shielding member does not have an opening.

  In this outdoor unit, since the water shielding member does not have an opening, it is possible to reliably prevent the humidifying rotor from being splashed with water.

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

  In the first invention, since the water shielding member is disposed between the outdoor fan and the humidification rotor, even if rainwater or water for cleaning the outdoor unit enters the space where the outdoor fan is disposed, It is possible to prevent water from splashing on the humidification rotor.

  In the second invention, since the water shielding member is disposed opposite to the humidification rotor, it is possible to efficiently use the area of the water shielding member and prevent water from splashing on the humidification rotor.

  In the third invention, an air flow can be passed through the water-impervious member.

  In the fourth invention, the opening of the first plate member overlaps the non-opening portion of the adjacent first plate member, and a gap is formed between the first plate members. It is possible to prevent water from being applied to the humidification rotor as compared with the case where the first plate member is constituted by only one sheet.

  In 5th invention, when the 2nd board member exists in a communicating position, the ventilation resistance of a water-impervious member can be reduced. When the second plate member is at the blocking position, the ventilation resistance of the water blocking member is higher than when the second plate member is at the communication position, but it is possible to more reliably prevent water from splashing on the humidification rotor.

  In the sixth aspect of the invention, since the second plate member is disposed at the communication position during the humidifying operation, it is possible to allow the air flow to pass through the humidifying rotor and the water shielding member while preventing water from splashing on the humidifying rotor. In addition, when the humidification operation is stopped without passing the air flow through the humidification rotor, it is possible to more reliably prevent water from splashing on the humidification rotor by disposing the second plate member at the blocking position.

  In the seventh invention, since the second plate member has an opening, when the second plate member is in the communication position, the second plate member is arranged so that the opening of the second plate member and the opening of the first plate member overlap. One plate member can be arranged oppositely. Therefore, the movement distance of the second plate member from the communication position to the blocking position can be shortened as compared with the case where the second plate member does not have an opening.

  In the eighth invention, since the second plate member rotates around the rotation axis of the humidifying rotor, the movement range of the second plate member is larger than when the second plate member moves linearly in the surface direction. The installation space for the water shielding member can be reduced.

  In the ninth invention, it is possible to allow an air flow to pass through the gap between the inclined plate pieces while preventing the humidifying rotor from being splashed with water by the inclined plate pieces.

  In the tenth invention, it is possible to prevent water flying from the outdoor fan side of the communication flow path toward the center side of the humidification rotor from being applied to the humidification rotor. Therefore, it can prevent more reliably that the water for washing | cleaning an outdoor unit splashes on a humidification rotor. Further, when the flow direction of the air in the communication channel is the direction from the humidifying rotor to the outdoor fan, the air flow discharged from the gaps between the plurality of inclined plate pieces flows along the inclined direction of the inclined plate pieces. The air flow can be collected on the rotating shaft side of the humidification rotor, and is easily sucked into the outdoor fan.

  In the eleventh invention, when the shape of the component that supports the plurality of inclined plate pieces is a fan shape or a circular shape, it is easy to produce a water shielding member.

  In the twelfth invention, since the communication flow path is configured so that the air flow can pass through the outside in the surface direction of the water shielding member, regardless of the ventilation resistance of the water shielding member, the space in which the outdoor fan is disposed The space where the humidification rotor is arranged can be communicated.

  In the thirteenth invention, since the water shielding member does not have an opening, it is possible to reliably prevent water from splashing on the humidification rotor.

It is a figure which shows schematic structure of the air conditioner which concerns on 1st Embodiment of this invention. It is a circuit diagram of an air conditioner. It is a perspective view which shows the state which removed the grill from the outdoor unit. It is a perspective view of the state which removed the front plate and top plate of the casing from the outdoor unit of FIG. It is a rear view of a grill and a casing. It is a rear view of a grill. It is the perspective view which looked at the grille from the back side. It is the sectional view on the AA line of FIG. It is a top view of the state which installed the humidification rotor in the bottom member of a humidification unit. FIG. 10 is a sectional view taken along line B-B in FIG. 9. It is a figure explaining the flow of the air which passes a humidification rotor. It is a perspective view of the bottom member of a humidification unit. It is a top view of the bottom member of a humidification unit. It is a top view of two board members which constitute a water-impervious member. It is sectional drawing of the water-impervious member and humidification rotor which concern on 2nd Embodiment of this invention. It is a perspective view of the water-impervious member shown in FIG. It is a top view of the water-impervious member shown in FIG. It is sectional drawing of the water shielding member and humidification rotor which concern on the example of a change of 2nd Embodiment. It is a top view of the impermeable member which concerns on the example of a change of 2nd Embodiment. It is a top view of two board members which constitute a water shielding member concerning a 3rd embodiment of the present invention. It is sectional drawing of the impermeable member and humidification rotor which concern on 3rd Embodiment, Comprising: (a) has shown the state during humidification driving | operation, (b) has shown the state during humidification driving | operation stop. It is a top view of the impermeable member concerning the example of a change of a 3rd embodiment, and (a) shows the state under humidification operation, and (b) shows the state under humidification operation stop. It is a top view of the impermeable member concerning the example of a change of a 3rd embodiment, and (a) shows the state under humidification operation, and (b) shows the state under humidification operation stop. It is sectional drawing of the outdoor unit which concerns on 4th Embodiment of this invention, Comprising: It is a figure corresponded in FIG.

<First Embodiment>
The first embodiment of the present invention will be described below with reference to the drawings.

[Outline of air conditioner 10]
As shown in FIG. 1, the air conditioner 10 of the present embodiment is configured by connecting an indoor unit 20 installed indoors and an outdoor unit 30 installed outdoors by a connecting pipe 12. The air conditioner 10 has a plurality of operation modes such as a cooling operation, a heating operation, a humidifying operation, a dehumidifying operation, and an air supply operation, and these operation modes can be implemented in combination as appropriate.

  In the cooling operation and the heating operation, the refrigerant and the indoor air sent from the outdoor unit 30 are subjected to heat exchange in the indoor heat exchanger 21 of the indoor unit 20 to cool or heat the indoor air. In the humidifying operation, the humidifying unit 60 of the outdoor unit 30 takes in moisture from the outside air to generate humidified air, and supplies the humidified air to the indoor unit 20. In the air supply operation, the outside air is supplied to the indoor unit 20 without being humidified.

  As shown in FIG. 2, the air conditioner 10 has a refrigerant circuit that circulates refrigerant between the outdoor unit 30 and the indoor unit 20. This refrigerant circuit includes an indoor heat exchanger 21 of the indoor unit 20, a compressor 31 of the outdoor unit 30, a four-way switching valve 32, an outdoor heat exchanger 33, an electric valve 34, an accumulator 35, a liquid closing valve 36, and a gas closing A valve 37 is connected. Further, in the communication pipe 12, there are a liquid refrigerant pipe 14 that connects the indoor heat exchanger 21 and the liquid closing valve 36, and a gas refrigerant pipe 16 that connects the indoor heat exchanger 21 and the gas closing valve 37. Contained.

  During the cooling operation, the four-way switching valve 32 is in a solid line state in FIG. 2, and the refrigerant compressed by the compressor 31 is supplied to the outdoor heat exchanger 33 via the four-way switching valve 32. The refrigerant whose heat has been removed by heat exchange with the outside air in the outdoor heat exchanger 33 is depressurized by the motor-operated valve 34 and then supplied to the indoor heat exchanger 21 through the liquid closing valve 36 and the liquid refrigerant pipe 14 in order. Is done. The refrigerant whose temperature has risen due to heat exchange with room air in the indoor heat exchanger 21 is returned to the compressor 31 through the gas refrigerant pipe 16, the gas closing valve 37, the four-way switching valve 32, and the accumulator 35 in this order.

  During the heating operation, the four-way switching valve 32 is in a dotted line state in FIG. 2, and the refrigerant compressed by the compressor 31 passes through the four-way switching valve 32, the gas closing valve 37, and the gas refrigerant pipe 16 in order. And supplied to the indoor heat exchanger 21. The refrigerant whose heat has been removed by the heat exchange with the indoor air in the indoor heat exchanger 21 passes through the liquid refrigerant pipe 14 and the liquid closing valve 36 in order, and is then depressurized by the motor-operated valve 34, and then the outdoor heat exchanger. 33. The refrigerant whose temperature has risen due to heat exchange with the outside air in the outdoor heat exchanger 33 is returned to the compressor 31 via the accumulator 35.

  As shown in FIG. 2, the indoor unit 20 includes an indoor fan 22 including a cross flow fan in addition to the indoor heat exchanger 21. When the indoor fan 22 is driven, indoor air is sucked from the upper suction port 23 of the outdoor unit 30, passes through the indoor heat exchanger 21, and then blows out into the room from the outlet 24.

  The indoor unit 20 is connected to the humidification unit 60 of the outdoor unit 30 through the humidification duct 18 accommodated in the communication pipe 12. The air supply port 25 of the humidification duct 18 is disposed upstream of the indoor heat exchanger 21 with respect to the air flow direction. During the humidifying operation, the humidifying air is blown into the room from the outlet 24 by driving the indoor fan 22 in a state where the humidifying air is supplied from the outdoor unit 30 via the humidifying duct 18.

[Configuration of outdoor unit 30]
The outdoor unit 30 includes a casing 40 and a grill 56 attached to the front surface of the casing 40. As shown in FIGS. 1 and 4, the inside of the casing 40 is partitioned into a blower chamber 41 and a machine chamber 42 by a partition plate 43. In the blower chamber 41, an outdoor heat exchanger 33 and an outdoor fan are provided. 39 and a humidification unit 60 are arranged, and in the machine room 42, a compressor 31, a four-way switching valve 32, an electric valve 34, and an accumulator 35 are arranged. In the following description, the left-right direction, the front-rear direction, and the up-down direction when the outdoor unit 30 is viewed from the front are simply referred to as the left-right direction, the front-rear direction, and the up-down direction, respectively.

  As shown in FIG. 3, the casing 40 has a substantially rectangular parallelepiped shape, and includes a front plate 46, a rear plate 50 (see FIG. 5), a right side plate 47, a left side plate 51 (see FIG. 4), a top plate 48, and A bottom plate 49 is used.

  The front plate 46 is formed with a circular outlet 46a. The air outlet 46a is formed on the left side of the central portion of the front plate 46 in the left-right direction. A ring-shaped bell mouth 52 is attached around the air outlet 46a. In the upper left portion of the front plate 46, a horizontally elongated substantially rectangular moisture absorption opening 46b is formed. On the right side of the moisture absorption opening 46b, a horizontally elongated moisture release opening 46c is formed.

  As shown in FIG. 5, most of the rear plate 50 other than the right end is opened, and a protective wire mesh (not shown) is attached to the opening 50a. The left side plate 51 is formed with a lattice-like opening (not shown). The openings of the rear plate 50 and the left side plate 51 constitute a suction port for taking outside air into the casing 40.

  As shown in FIG. 4, the partition plate 43 is installed on the bottom plate 49 and extends in the vertical direction. The height of the upper end of the partition plate 43 is lower than the height of the upper end of the side plate of the casing 40. The partition plate 43 extends from the right end portion of the rear plate 50 to the front plate 46 as viewed from above. The left side of the partition plate 43 is the blower chamber 41, and the right side of the partition plate 43 is the machine chamber 42.

  The outdoor heat exchanger 33 is substantially L-shaped when viewed from above, and is disposed along the left side plate 51 and the rear plate 50 of the casing 40. The outdoor heat exchanger 33 is installed on the bottom plate 49 and extends in the vertical direction. The height of the upper end of the outdoor heat exchanger 33 is substantially the same as the height of the upper end of the side plate of the casing 40.

  The outdoor fan 39 is a propeller fan and is driven by a fan motor 38. The fan motor 38 is disposed behind the outdoor fan 39 and is connected to a rotation shaft 39 a of the outdoor fan 39. The outdoor fan 39 is supported by a fan motor support member 53. The fan motor support member 53 is attached to the bottom plate 49 and the upper end of the outdoor heat exchanger 33.

  When the outdoor fan 39 is driven, outside air is sucked from the suction port 50a of the rear plate 50 and the suction port (not shown) of the left side plate 51, passes through the outdoor heat exchanger 33, and then blows off the front plate 46. It blows out from the exit 46a.

  The grill 56 has a rectangular plate shape, is attached to a position closer to the left than the central portion in the left-right direction of the front plate 46, and covers the air outlet 46a. As shown in FIG. 8, the grill 56 is disposed with a gap between it and the front plate 46. As shown in FIG. 1, a large number of crosspieces 56 d are provided on almost the entire surface of the grill 56. As shown in FIG. 6 and FIG. 7, an opening is formed between the crosspiece 56 d and the crosspiece 56 d in a portion of the lower portion of the grill 56 approximately 3/4. A lattice-shaped opening 56a is formed.

  Further, a lattice-shaped moisture release opening 56p is formed at a position facing the moisture release opening 46c of the front plate 46 in the approximately 1/4 portion of the upper side of the grill 56 (see FIG. 5). ). A rib 56q protruding rearward is formed around the moisture releasing opening 56p (see FIG. 7). The protruding tip of the rib 56q is in contact with the front plate 46.

  In addition, in a portion of the upper side of the grill 56 that is substantially ¼, a portion 56b other than the moisture release opening 56p (hereinafter referred to as a non-opening portion 56b) is closed between the crosspiece 56d and the crosspiece 56d. . The non-opening 56b overlaps with a part of the air outlet 46a of the front plate 46 in a front view. This overlapping portion is referred to as an overlapping portion 56b2. Moreover, the part which overlaps with the outer peripheral side part of the blower outlet 46a in front view among the non-opening parts 56b is made into the overlap part 56b1.

  Also, ribs 56s projecting rearward are formed at the left and right ends of the lower end of the non-opening 56b. Further, a rib 56r that connects the rib 56q and the rib 56s is formed in the non-opening portion 56b. The rib 56r is formed on the outer peripheral side of the air outlet 46a. That is, the rib 56r is formed in the overlapping portion 56b1. The protruding tips of the ribs 56r and 56s are in contact with the front plate 46.

  The moisture absorption opening 46b of the front plate 46 faces the area Ar indicated by the two-dot chain line in FIG. 7 of the non-opening 56b. Therefore, the air flow r (see FIG. 7) blown from the vicinity of the upper end of the air outlet 46a is guided to the flow path surrounded by the ribs 56r, 56q, the non-opening 56b, and the front plate 46, and the moisture absorbing opening. It flows into the casing 40 from 46b.

[Configuration of humidification unit 60]
As shown in FIG. 4, the humidification unit 60 is disposed in the upper part of the internal space of the casing 40. The humidifying unit 60 is disposed on the partition plate 43 and a portion extending in front of the fan motor support member 53. The height of the upper surface of the humidifying unit 60 is substantially the same as the height of the upper end of the outdoor heat exchanger 33.

  As shown in FIGS. 9 and 11, the humidification unit 60 includes an annular humidification rotor 63 that is rotationally driven by a motor 65. The humidification rotor 63 is made of a moisture absorbing / releasing material such as zeolite. The humidification rotor 63 is formed in a honeycomb structure, and allows air to pass in the thickness direction. Moisture-absorbing and releasing materials such as zeolite have the property of absorbing moisture in the air when in contact with air at room temperature and releasing the retained moisture into the air when heated.

  A gear portion 64 is provided on the outer peripheral surface of the humidifying rotor 63. The humidification rotor 63 is rotationally driven by the gear portion 64 and the gear of the motor 65 meshing with each other.

  In addition, as shown in FIG. 11, the humidification unit 60 includes a moisture absorption channel 61 for absorbing moisture in the outside air to the humidification rotor 63 and moisture retained by the humidification rotor 63 to humidify the air. A moisture release channel 62 is formed. The moisture absorption channel 61 and the moisture release channel 62 are partitioned so as not to communicate with each other. A region of the humidifying rotor 63 through which the air flow of the moisture absorption passage 61 passes is referred to as a moisture absorption portion 63a, and a region of the moisture release passage 62 through which the air flow passes is referred to as a moisture release portion 63b.

  The moisture absorption channel 61 includes a moisture absorption duct 68 (see FIG. 4) for guiding the air flowing into the moisture absorption opening 46 b from the air outlet 46 a to the moisture absorption portion 63 a of the humidification rotor 63 and the moisture absorption portion 63 a of the humidification rotor 63. A moisture absorbing guide wall 69 for guiding the air that has passed to the outdoor fan 39 and a water shielding member 80 disposed inside the moisture absorbing guide wall 69 are provided. The moisture absorption guide wall 69 constitutes the communication channel of the present invention.

  As shown in FIG. 4, the moisture absorption duct 68 is arranged so as to cover the upper surface of the moisture absorption portion 63 a of the humidification rotor 63, and has an intake port 68 a at a position facing the moisture absorption opening 46 b of the front plate 46. . The intake port 68a is approximately the same size as the moisture absorption opening 46b. A filter 68f is attached to the intake port 68a.

  As shown in FIGS. 12 and 13, the moisture absorption guide wall 69 is provided on the bottom member 60 a of the humidification unit 60 and is disposed between the humidification rotor 63 and the outdoor fan 39. The moisture absorption guide wall 69 is formed in a fan-shaped cylindrical shape having substantially the same size as the moisture absorption portion 63 a of the humidification rotor 63. The upper end of the arc-shaped portion of the moisture absorption guide wall 69 is connected to an arc-shaped support portion 70 that supports the gear portion 64.

  As shown in FIG. 10, the water shielding member 80 is disposed inside the moisture absorption guide wall 69 and faces the moisture absorption portion 63 a of the humidification rotor 63. The water shielding member 80 is composed of two plate members 81 and 82. The plate members 81 and 82 are supported by stepped support portions 69a and 69b formed at the lower end of the moisture absorption guide wall 69, and are stacked with a gap therebetween. As shown in FIG. 14, the plate members 81 and 82 are fan-shaped plate-like bodies having substantially the same size as the hygroscopic portion 63 a. Although not shown, a gap is formed between the right side edge (straight edge) of the water shielding member 80 and the hygroscopic guide wall 69 so that air can pass therethrough. . The bottom member 60a may be configured so that air cannot pass between the outer peripheral end of the water-impervious member 80 and the moisture-absorbing guide wall 69.

  A plurality of fan-shaped openings 81 a are formed in the plate member 81. As shown in FIG. 14, the plurality of openings 81a are arranged in the circumferential direction and the radial direction. Specifically, the plurality of openings 81a are arranged such that the openings 81a and the non-openings are alternately arranged in the circumferential direction, and the openings 81a and the non-openings are alternately arranged in the radial direction.

  A plurality of fan-shaped openings 82 a are formed in the plate member 82. The plurality of openings 82 a of the plate member 82 overlap with the non-opening portions of the plate member 81 as viewed from the top and bottom directions, and do not overlap with the openings 81 a of the plate member 81. Further, the non-opening portion of the plate member 82 overlaps the opening 81 a of the plate member 81.

  When the outdoor fan 39 is driven, after the air blown from the vicinity of the upper end of the air outlet 46a passes through the gap between the non-opening portion 56b of the grill 56 and the front plate 46, as shown in FIG. The air is sucked into the moisture absorption duct 68 from the intake port 68a through the moisture absorption opening 46b of the front plate 46. At that time, the air passes through the filter 68f attached to the intake port 68a.

  As shown in FIG. 10, the air that has flowed into the moisture absorption duct 68 passes through the moisture absorption portion 63 a of the humidification rotor 63 from the top to the bottom, and then flows into the moisture absorption guide wall 69. The air flowing into the moisture absorption guide wall 69 passes through the openings 81 a and 82 a of the water shielding member 80 and is sent to the space above the outdoor fan 39. And this air is blown out again from the blower outlet 46a by the outdoor fan 39. When air passes through the moisture absorption part 63 a of the humidification rotor 63, moisture contained in the air is absorbed by the humidification rotor 63.

  As shown in FIG. 4, a heater 71 that heats the moisture release portion 63 b of the humidification rotor 63 and a humidification fan 75 that is a turbofan are disposed in the moisture release flow path 62. The moisture discharge passage 62 is used to guide the air that has passed through the moisture release portion 63b of the humidification rotor 63 to the humidification duct 18 and the first moisture discharge duct 72 for guiding outside air to the moisture release portion 63b of the humidification rotor 63. It has the 2nd duct 73 for moisture release (refer FIG. 8).

  The heater 71 is disposed above the humidification rotor 63. As shown in FIG. 8, the heater 71 includes a heater cover 71a disposed so as to cover the upper surface of the moisture releasing portion 63b of the humidification rotor 63, and a heating wire 71b disposed inside the heater cover 71a. Air can pass through the inside of the heater cover 71a.

  The first moisture releasing duct 72 is disposed so as to cover a part of the lower surface of the moisture releasing portion 63 b of the humidifying rotor 63. As shown in FIG. 4, the first moisture releasing duct 72 has an air inlet 72 a at a position facing the moisture releasing opening 46 c of the front plate 46. The air inlet 72a is approximately the same size as the moisture release opening 46c.

  The second moisture release duct 73 is disposed below the moisture release portion 63b of the humidification rotor 63, and covers a portion of the moisture release portion 63b that is not covered with the first moisture release duct 72. The exhaust port of the second moisture releasing duct 73 is connected to the suction side of the humidifying fan 75. The blowing side of the humidifying fan 75 is connected to the humidifying duct 18. Further, the second moisture release duct 73 is provided with a damper 74 (see FIG. 2) for preventing the backflow of air.

  When the humidifying fan 75 is driven, outside air is sucked into the first moisture release duct 72 from the intake port 72a through the moisture release opening 46c of the front plate 46. The air that has flowed into the first moisture releasing duct 72 passes through the moisture releasing portion 63b of the humidifying rotor 63 from the bottom to the top and then flows into the heater 71, and then moves the moisture releasing portion 63b of the humidifying rotor 63 downward from the top. pass. The humidifying rotor 63 is heated by the heater 71 to release moisture absorbed by the moisture releasing unit 63b, so that the air is humidified when the air passes through the moisture releasing unit 63b of the humidifying rotor 63. The air that has passed through the moisture release portion 63b of the humidification rotor 63 from the top to the bottom passes through the moisture release second duct 73 and the humidification duct 18, and is supplied to the indoor unit 20.

  The outdoor unit of this embodiment has the following characteristics.

  Since the water shielding member 80 is disposed between the outdoor fan 39 and the humidification rotor 63, even if rainwater or water for cleaning the outdoor unit enters the space where the outdoor fan 39 is disposed, the humidification rotor 63. Water can be prevented from splashing on the surface.

  Moreover, in this embodiment, since the water shielding member 80 is disposed opposite to the humidification rotor 63, it is possible to efficiently use the area of the water shielding member 80 and prevent the humidification rotor 63 from being splashed with water.

  Moreover, in this embodiment, since the water-impervious member 80 is comprised by the two board members 81 and 82 which have opening 81a, 82a, an air flow can be allowed to pass through the water-impermeable member 80. FIG.

  Further, in the present embodiment, the plate members 81 and 82 are stacked with a gap therebetween, and the opening 81a of the plate member 81 and the non-opening portion of the plate member 82 overlap with each other, and the opening 82a of the plate member 82 Since the non-opening portion of the plate member 82 is overlapped, it is possible to prevent the humidifying rotor 63 from being splashed with water compared to the case where the water shielding member is composed of only one plate member 81.

  In addition, the outdoor unit of 1st Embodiment can be changed and implemented as follows.

  In the above embodiment, the openings 81a and 82a are formed in a fan shape, but may have a shape other than the fan shape such as a circular shape. The opening may be a notch formed at the edge of the plate member. Moreover, the number of arrangement | sequences of the circumferential direction of an opening and the number of arrangement | sequences of radial direction are not limited to what is shown in FIG. Further, the arrangement direction of the openings may not be the circumferential direction and the radial direction. For example, you may arrange in the left-right direction and the front-back direction. Further, only one opening may be formed for one plate member.

  In the embodiment described above, the opening 81a of the plate member 81 and the opening 82a of the plate member 82 do not overlap at all, but may be formed so as to partially overlap when viewed from above and below.

  In the said embodiment, although the water-impervious member 80 is comprised by the two plate members 81 and 82, you may be comprised by the 3 or more plate member. In this case, the opening of a plate member should just be formed so that it may have a part which overlaps with the non-opening part of an adjacent plate member.

Second Embodiment
Next, a second embodiment of the present invention will be described. In addition, about the thing which has the structure similar to the said 1st Embodiment, the description is abbreviate | omitted suitably using the same code | symbol.
As shown in FIG. 15, the outdoor unit according to this embodiment is different from the water shielding member 80 of the first embodiment in the configuration of the water shielding member 180, and the other configurations are substantially the same as those of the first embodiment. is there.

  As shown in FIGS. 16 and 17, the water shielding member 180 of this embodiment includes a fan-shaped frame 183 and a plurality of arc-shaped inclined plate pieces 184 provided inside the frame 183.

  The frame 183 is a frame body that is formed in a fan shape that is substantially the same size as the moisture absorbing portion 63 a of the humidifying rotor 63. Although not shown, the frame 183 is supported by the lower end of the moisture absorption guide wall 69.

  The plurality of inclined plate pieces 184 are each formed in an arc shape, and are arranged concentrically around the fan-shaped center of the frame 183 (coincident with the rotation axis C of the humidification rotor 63). The inclined plate piece 184 is inclined downward as it approaches the rotation axis C of the humidifying rotor 63 in the horizontal direction. Two inclined plate pieces 184 adjacent in the radial direction are arranged with a gap W in the plate thickness direction. In addition, the two inclined plate pieces 184 that are adjacent in the radial direction when viewed in the vertical direction do not overlap with each other and are arranged with a gap D therebetween.

  In the present embodiment, the air that has flowed into the hygroscopic guide wall 69 is sent to the space above the outdoor fan 39 through the gaps between the plurality of inclined plate pieces 184.

  The outdoor unit of this embodiment has the following characteristics.

  In the outdoor unit of the present embodiment, since the water shielding member 180 is disposed between the outdoor fan 39 and the humidification rotor 63 as in the first embodiment, rainwater or the like enters the space in which the outdoor fan 39 is disposed. Even so, it is possible to prevent the humidifying rotor 63 from being splashed with water.

  In the present embodiment, the water shielding member 180 has a configuration in which a plurality of inclined plate pieces 184 inclined with respect to the surface direction of the humidifying rotor 63 are arranged in the surface direction with a gap therebetween. The air flow can be passed through the gap between the inclined plate pieces 184 while preventing the humidifying rotor 63 from being splashed by the water 184.

  In the present embodiment, the plurality of inclined plate pieces 184 are inclined so as to move away from the humidification rotor 63 as they approach the rotation axis C of the humidification rotor 63 with respect to the surface direction of the humidification rotor 63. It is possible to prevent water flying from the outdoor fan 39 side toward the central side of the humidification rotor 63 from being applied to the humidification rotor 63. Therefore, it is possible to more reliably prevent water for cleaning the outdoor unit from being applied to the humidification rotor 63. Further, since the air flow discharged from the gaps between the plurality of inclined plate pieces 184 flows along the inclined direction of the inclined plate pieces 184, the air flow can be collected on the rotating shaft C side of the humidifying rotor 63, and the outdoor fan It becomes easy to be sucked into 39.

  Further, in this embodiment, the frame 183 that supports the plurality of inclined plate pieces 184 has a fan shape, and thus the plurality of inclined plate pieces 184 are formed in an arc shape, so that they are shielded from the case where they are formed in a linear shape. The water member 180 is easy to produce.

  In addition, the outdoor unit of 2nd Embodiment can be changed and implemented as follows.

  In the above embodiment, the inclined plate pieces 184 are arranged in three rows in the radial direction, but may be two rows or four or more rows.

  In the above embodiment, the two inclined plate pieces 184 that are adjacent to each other in the radial direction when viewed from above and below do not overlap, but two sheets that are adjacent to each other in the radial direction, for example, a water shielding member 1180 shown in FIG. The inclined plate pieces 1184 may partially overlap each other.

  In the above-described embodiment, the inclined plate piece 184 extends in an arc shape, but a plurality of inclined plate pieces 2184 may extend linearly, for example, as a water shielding member 2180 shown in FIG. . In FIG. 19, the inclined plate piece 2184 extends in the left-right direction, and more than the inclined plate piece 2184 disposed in front of the rotation axis C of the humidification rotor 63 and the rotation axis C of the humidification rotor 63. The inclined plate pieces 2184 arranged on the rear side are inclined in the opposite direction, and both of them are inclined downward toward the rotating shaft C of the humidifying rotor 63.

  In the above-described embodiment, the inclined plate piece 184 is inclined so as to go downward as it approaches the rotation axis C of the humidification rotor 63 in the horizontal direction, but as it approaches the rotation axis C of the humidification rotor 63, it goes upward. It may be inclined like this.

<Third Embodiment>
Next, a third embodiment of the present invention will be described. In addition, about the thing which has the structure similar to the said 1st Embodiment, the description is abbreviate | omitted suitably using the same code | symbol.
The outdoor unit according to the present embodiment is different in the structure of the water-impervious member 280 from the water-impervious member 80 of the first embodiment, and has driving means that the outdoor unit of the first embodiment does not have. Other configurations are substantially the same as those of the first embodiment.

  As shown in FIG. 20, the water-impervious member 280 of this embodiment includes a fan-shaped plate member 281 and a circular plate member 282. Although not shown, the plate members 281 and 282 are supported by the lower end portion of the moisture absorption guide wall 69. As shown in FIG. 21, the plate members 281 and 282 are stacked with a gap therebetween. The size of the gap may be smaller than the gap between the plate members 81 and 82 of the first embodiment. Further, the plate member 282 is disposed so that the center thereof coincides with the rotation axis C of the humidification rotor 63, and is rotatably supported by the moisture absorption guide wall 69.

  The plate member 281 has a plurality of fan-shaped openings 281a arranged in the circumferential direction and the radial direction. The positions and sizes of the plurality of openings 281a are substantially the same as the plurality of openings 81a of the plate member 81 of the first embodiment. However, the angles of the plurality of openings 281a are all the same. In addition, the angles of the non-opening portions of the plate member 281 (portions between the two openings 281a adjacent in the circumferential direction) are all the same.

  In the plate member 282, a plurality of openings 282a arranged at the same pitch and size as the plurality of openings 281a of the plate member 281 are formed over the entire circumference.

  The humidification unit according to the present embodiment includes a driving unit (not shown) that rotationally drives the plate member 282. For example, a gear may be formed on the outer peripheral surface of the plate member 282, and a gear that meshes with the gear and a motor that rotates the gear may be used as the driving means.

  The driving means rotates the plate member 282 by substantially the same angle as the angle of the non-opening portion of the plate member 282 when the humidifying operation is started and when the humidifying operation is stopped. The rotation direction at the start of the humidification operation and the rotation direction at the stop of the humidification operation are the same. As shown in FIG. 21, during the humidification operation, the plate member 282 is disposed at a position (communication position) where the opening 282a overlaps the opening 281a of the plate member 281 and the humidification operation is stopped (air conditioning without the humidification operation). The plate member 282 is disposed at a position (blocking position) where the non-opening portion overlaps the opening 281a of the plate member 281.

  In the present embodiment, air that has flowed into the moisture absorption guide wall 69 during the humidification operation passes through the openings 281 a and 282 a of the water shielding member 280 and is sent to the space above the outdoor fan 39.

  The outdoor unit of this embodiment has the following characteristics.

  In the outdoor unit of this embodiment, the water shielding member 280 is disposed between the outdoor fan 39 and the humidification rotor 63 as in the first embodiment, so that rainwater or the like enters the space in which the outdoor fan 39 is disposed. Even so, it is possible to prevent the humidifying rotor 63 from being splashed with water.

  Moreover, in this embodiment, since the water-impervious member 280 includes the two plate members 281 and 282 having the openings 281a and 282a, an air flow can be passed through the water-impervious member 80.

  In the present embodiment, the plate member 282 can move between a blocking position where the opening 281a of the plate member 281 is closed and a communication position where the opening 281a of the plate member 281 is not blocked. When it is, the ventilation resistance of the water shielding member 280 can be reduced. Further, when the plate member 282 is in the blocking position, it is possible to more reliably prevent water from splashing on the humidification rotor 63.

  Further, in the present embodiment, the plate member 282 is disposed at the communication position during the humidification operation, so that the outdoor fan 39 generates the humidification rotor 63 and the water shielding member 280 while preventing the water from splashing on the humidification rotor 63. Air flow can be passed. In addition, when the humidification operation is stopped without allowing the air flow to pass through the humidification rotor 63, it is possible to more reliably prevent the humidification rotor 63 from being splashed with water by disposing the plate member 282 at the blocking position.

  In the present embodiment, since the plate member 282 has the opening 282a, the plate member 282 is overlapped with the opening 282a of the plate member 282 and the opening of the plate member 281 when the plate member 282 is in the communication position. Can be disposed opposite to the plate member 281. Therefore, compared with the case where the plate member 282 does not have an opening, the moving distance of the plate member 282 from the communication position to the blocking position can be shortened.

  Moreover, in this embodiment, since the plate member 282 rotates around the rotation axis C of the humidification rotor 63, the movement range of the plate member 282 is larger than when the plate member 282 moves linearly in the surface direction. The installation space for the water shielding member 280 can be reduced.

  In addition, the outdoor unit of 3rd Embodiment can be changed and implemented as follows.

  In the above embodiment, the openings 281a and 282a are formed in a fan shape, but may have a shape other than a fan shape such as a circular shape. Further, the openings 281a and 282a may be notches formed at the edge of the plate member. Further, the number of openings 281a, 282a arranged in the circumferential direction and the number arranged in the radial direction are not limited to those shown in FIG. The number of openings 281a formed in the plate member 281 may be one. In this case, the number of openings 282a formed in the plate member 282 may be one or plural.

  In the above embodiment, the plate member 282 has a circular shape, but may have a fan shape. In this case, the direction in which the plate member 282 is rotated when the humidifying operation is started is opposite to the direction in which the plate member 282 is rotated when the humidifying operation is stopped.

The shape of the plate member 282 and the configuration (shape and arrangement) of the openings 281a formed in the plate member 281 are not limited to the configuration of the above embodiment, and the plate member 282 is moved by moving the plate member 282. What is necessary is just the structure which can be switched to the state which 282 closes the opening 281a of the board member 281 and the state which does not close the opening 281a.
For example, like the water shielding member 1280 shown in FIG. 22, one fan-shaped opening 1282a is formed in the plate member 1281, and the plate member 1282 is a substantially fan-shaped flat plate having substantially the same size as the opening 1282a. During the humidification operation, the plate member 1281 may be disposed at a position (communication position) that overlaps with the non-opening portion, and during the humidification operation stop, the plate member 1281 may be disposed at a position (blocking position) that overlaps the opening 1281a. .

  In the above embodiment, when the plate member 282 is in the communication position, the opening 282a of the plate member 282 does not overlap the non-opening portion of the plate member 281 at all, but may overlap partially.

  In the above embodiment, the plate member 282 is disposed so as to be rotatable around the rotation axis of the humidification rotor 63 and is driven to rotate by the driving means. However, the moving direction of the plate member 282 is not limited to this. Absent. For example, like the water-impervious member 2280 shown in FIG. 23, the member 2282 is configured to move horizontally in the left-right direction, and is disposed at a position overlapping the non-opening portion of the plate member 2281 during the humidification operation. During operation stop, the plate member 2281 may be disposed at a position overlapping the plurality of openings 2281a.

  In the above embodiment, the plate member 282 is moved by the driving means when the humidifying operation is started and when the humidifying operation is stopped, but the driving means may not be provided. For example, when installing an outdoor unit, the plate member 282 is disposed at a position (blocking position) where the plurality of openings 281a of the plate member 281 are closed, or a position where the plurality of openings 281a of the plate member 281 are not blocked (communication position) ) May be selected and the plate member 282 may be moved manually. However, in this modified example, when the plate member 282 is in the blocking position, the size of the gap between the plate members 281 and 282 is set so that the air can pass through the water blocking member 280. , 82 and the size of the gap.

<Fourth embodiment>
Next, a fourth embodiment of the present invention will be described. In addition, about the thing which has the structure similar to the said 1st Embodiment, the description is abbreviate | omitted suitably using the same code | symbol.
The outdoor unit according to this embodiment is different from the first embodiment in the configuration of the moisture absorption guide wall and the water shielding member, and the other configurations are substantially the same as those in the first embodiment.

  As shown in FIG. 24, the water-impervious member 380 of the present embodiment is a fan-shaped flat plate having substantially the same size as the moisture-absorbing portion 63a of the humidification rotor 63 and does not have an opening. The water shielding member 380 is supported by a support portion 369 a formed at the lower end of the moisture absorption guide wall 369. The moisture absorption guide wall 369 has an exhaust port 369b above the support portion 369a (specifically, above the upper surface of the water shielding member 380). Although not shown, a gap is formed between the right side edge (straight edge) of the water shielding member 380 and the moisture absorbing guide wall 369 so that air can pass therethrough. .

  In the present embodiment, the air that has flowed into the moisture absorption guide wall 369 passes through the exhaust port 369b, the gap between the right side edge of the water shielding member 380 and the moisture absorption guide wall 369, and the outside of the moisture absorption guide wall 69. To be discharged. The discharged air passes through the outside in the surface direction of the water shielding member 380 downward and is sent to the space above the outdoor fan 39.

  The outdoor unit of this embodiment has the following characteristics.

  In the outdoor unit of the present embodiment, since the water shielding member 380 is disposed between the outdoor fan 39 and the humidification rotor 63 as in the first embodiment, rainwater or the like enters the space in which the outdoor fan 39 is disposed. Even so, it is possible to prevent the humidifying rotor 63 from being splashed with water.

  Further, in the present embodiment, the moisture absorption guide wall 369 is configured so that the air flow passes through the outer surface in the surface direction of the water shielding member 380, and therefore the outdoor fan 39 regardless of the ventilation resistance of the water shielding member 380. Can be communicated with the space in which the humidifying rotor 63 is disposed.

  Moreover, in this embodiment, since the water-impervious member 380 does not have an opening, it is possible to reliably prevent the humidifying rotor 63 from being splashed with water.

  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 1st-4th 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.

  For example, the exhaust port 369b of the hygroscopic guide wall 369 of the fourth embodiment may be applied to the first to third embodiments.

  The structure of the water-impervious member through which the air flow can pass is not limited to the water-impervious member of the first to third embodiments and the modified examples. For example, the water shielding member may be configured only by the plate member 81 of the first embodiment.

  Moreover, in the said 1st-4th embodiment, although the water-impervious member is supported by the moisture absorption guide wall, you may be supported by the member different from the moisture absorption guide wall provided in the bottom member 60a. .

  Moreover, the structure of the humidification unit and outdoor fan to which this invention is applied is not limited to the structure of 1st-4th embodiment. In the first to fourth embodiments, air flows in the moisture absorption guide wall (communication flow path) in the direction from the humidification rotor 63 toward the outdoor fan 39. However, the communication flow path of the present invention includes the humidification rotor and the outdoor. If it is located between the fans, the air flow direction may be opposite. Further, depending on the shape of the communication flow path and the direction of the humidification rotor, the water shielding member may not be disposed to face the surface of the humidification rotor.

  Moreover, in the said 1st-4th embodiment, although the humidification unit 60 is arrange | positioned above the outdoor fan 39, the position with respect to the outdoor fan 39 of the humidification unit 60 is not limited to this. For example, the humidification unit may be disposed below the outdoor fan, on the right side of the outdoor fan, or in front of the outdoor fan.

  If this invention is utilized, it can prevent that water splashes on the humidification rotor of an outdoor unit.

39 Fan 60 Humidification unit 61 Humidity absorption channel 63 Humidification rotor 63a Moisture absorption area 69 Moisture absorption guide wall 80 Water blocking member 81, 82 Plate member (first plate member)
81a, 82b Openings 180, 1180, 2180 Water shielding members 184, 1184, 2184 Inclined plate pieces 280, 1280, 2280 Water shielding members 281, 1281, 2281 Plate members (first plate members)
281a, 1281a, 2281a Openings 282, 1282, 2282 Plate member (second plate member)
282a, 1282a Opening 380 Water shielding member 369 Moisture absorbing guide wall 369b Exhaust port

Claims (13)

With outdoor fans,
A humidifying rotor through which an air flow generated by the outdoor fan passes,
The space in which the outdoor fan is disposed and the space in which the humidification rotor is disposed communicate with each other in a communication channel located between the outdoor fan and the humidification rotor.
An outdoor unit, wherein a water shielding member is disposed in the communication channel.   The outdoor unit according to claim 1, wherein the water shielding member is disposed to face the humidification rotor.   The outdoor unit according to claim 2, wherein the water shielding member includes a first plate member having at least one opening. The water-impervious member comprises a plurality of the first plate members stacked with a gap therebetween,
4. The outdoor unit according to claim 3, wherein the opening of the first plate member has a portion overlapping with a non-opening portion of the adjacent first plate member when viewed from the stacking direction. The water-impervious member comprises the first plate member and the second plate member;
The said 2nd board member is movable over the interruption | blocking position which obstruct | occludes the said opening of the said 1st board member, and the communicating position which does not obstruct | occlude the said opening of the said 1st board member, The Claim 3 characterized by the above-mentioned. The outdoor unit described. Drive means for moving the second plate member between the blocking position and the communication position;
The outdoor unit according to claim 5, wherein the second plate member is disposed at the communication position during a humidifying operation, and is disposed at the blocking position when the humidifying operation is not performed. The second plate member has an opening;
The outdoor unit according to claim 5 or 6, wherein when the second plate member is in the communication position, the opening of the second plate member and the opening of the first plate member overlap each other.   The outdoor unit according to any one of claims 5 to 7, wherein the second plate member is rotatable about a rotation axis of the humidification rotor.   The outdoor unit according to claim 2, wherein the water shielding member has a configuration in which a plurality of inclined plate pieces inclined with respect to the surface direction of the humidification rotor are arranged in the surface direction with a gap therebetween. .   The inclined plate piece is inclined so as to move away from the humidification rotor in the rotation axis direction of the humidification rotor as it approaches the rotation axis of the humidification rotor in the surface direction of the humidification rotor. The outdoor unit described in.   The outdoor unit according to claim 9 or 10, wherein the plurality of inclined plate pieces have an arc shape and are arranged concentrically around a rotation axis of the humidification rotor. The water-impervious member is disposed opposite to the humidifying rotor with a gap therebetween,
The outdoor unit according to any one of claims 2 to 11, wherein the communication channel is configured such that the air flow passes outside in the surface direction of the water shielding member.   The outdoor unit according to claim 12, wherein the water shielding member does not have an opening.