WO2009107452A1 - Climatiseur - Google Patents

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Publication number
WO2009107452A1
WO2009107452A1 PCT/JP2009/051640 JP2009051640W WO2009107452A1 WO 2009107452 A1 WO2009107452 A1 WO 2009107452A1 JP 2009051640 W JP2009051640 W JP 2009051640W WO 2009107452 A1 WO2009107452 A1 WO 2009107452A1
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WO
WIPO (PCT)
Prior art keywords
air
opening
unit
valve body
pipe
Prior art date
Application number
PCT/JP2009/051640
Other languages
English (en)
Japanese (ja)
Inventor
勝則 村田
幸子 松本
秀紀 三軒家
健郎 濱
幸治 木本
哲二 井上
Original Assignee
ダイキン工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ダイキン工業株式会社 filed Critical ダイキン工業株式会社
Priority to EP09714381.2A priority Critical patent/EP2267374A4/fr
Publication of WO2009107452A1 publication Critical patent/WO2009107452A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems
    • F24F3/0442—Systems in which all treatment is given in the central station, i.e. all-air systems with volume control at a constant temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
    • F24F3/1423—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with a moving bed of solid desiccants, e.g. a rotary wheel supporting solid desiccants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • F24F2013/225—Means for preventing condensation or evacuating condensate for evacuating condensate by evaporating the condensate in the cooling medium, e.g. in air flow from the condenser

Definitions

  • the present invention relates to an air conditioner having a function of supplying outdoor air into the room.
  • an air conditioner equipped with an air supply unit that supplies outdoor air into the room.
  • an air conditioner disclosed in Patent Document 1 Japanese Patent Laid-Open No. 2006-10307 includes an air supply unit having a humidifying function. This air supply unit can humidify outdoor air and supply the humidified outdoor air into the room. Thereby, in this air conditioner, the inside of a room can be humidified.
  • the air conditioner disclosed in Patent Document 1 is configured such that one air supply unit is provided for one room. For this reason, when supplying outdoor air into a plurality of rooms, a plurality of air supply units must be provided. Then, the subject of this invention is providing the air conditioner which can implement
  • the air conditioner according to the first aspect of the present invention includes a first indoor unit, a second indoor unit, and an air supply unit.
  • the first indoor unit is disposed in the first room.
  • the second indoor unit is disposed in the second room.
  • the air supply unit includes a first pipe, a second pipe, and an air supply unit main body.
  • the first pipe is connected to the first indoor unit.
  • the second pipe is connected to the second indoor unit.
  • the air supply unit main body can supply outdoor air to the first indoor unit via the first pipe.
  • the air supply unit main body can supply outdoor air to the second indoor unit through the second pipe.
  • the air conditioner according to the first invention includes an air supply unit having a first pipe, a second pipe, and an air supply unit main body.
  • outdoor air can be supplied to the 1st indoor unit via the 1st piping, and outdoor air can be supplied to the 2nd indoor unit via the 2nd piping.
  • the air supply to the plurality of rooms can be realized by one air supply unit.
  • the air conditioner according to the second invention is the air conditioner according to the first invention, and the air supply unit further includes a switching unit.
  • the switching unit switches the connection state between the first pipe and the second pipe so that outdoor air is supplied to the first indoor unit and the second indoor unit. For this reason, outdoor air can be supplied to the first indoor unit and the second indoor unit.
  • An air conditioner according to a third aspect of the present invention is the air conditioner of the second aspect, wherein the air supply unit further includes a third pipe.
  • An opening for taking in outdoor air is formed in the third pipe.
  • the switching unit has a partition member.
  • the partition member communicates with the first space and the first space so that the third space in the third pipe communicates with at least one of the first space in the first pipe and the second space in the second pipe. It is possible to partition the two spaces. For this reason, for example, when the first space is partitioned by the partition member, the third space and the second space are in communication with each other. Further, when the second space is partitioned by the partition member, the third space and the first space are in communication with each other. Thereby, the connection state between the third pipe and at least one of the first pipe and the second pipe can be switched.
  • the air conditioner according to the fourth aspect of the present invention is the air conditioner of the third aspect, wherein the first pipe and the second pipe use pipes having a diameter smaller than that of the third pipe. For this reason, for example, the pressure loss in the third pipe can be reduced as compared with the case where a pipe having a diameter larger than the diameter of the third pipe is used for the first pipe and the second pipe.
  • An air conditioner according to a fifth aspect of the present invention is the air conditioner of the third or fourth aspect, further comprising a control unit.
  • the control unit performs control to slide the partition member so that at least one of the first space and the second space communicates with the third space. For this reason, in this air conditioner, the switching unit can be switched by sliding the partition member.
  • the air conditioner pertaining to a sixth aspect of the invention is the air conditioner of the third aspect or the fourth aspect of the invention, further comprising a control unit.
  • the control unit performs control to rotate the partition member so that at least one of the first space and the second space communicates with the third space. For this reason, in this air conditioner, the switching unit can be switched by rotating the partition member.
  • An air conditioner according to a seventh aspect of the present invention is the air conditioner of the fifth aspect or the sixth aspect, wherein the control unit performs the control so that the first space, the second space, and the third space are simultaneously performed. It is possible to communicate. For this reason, outdoor air can be simultaneously supplied to the first indoor unit and the second indoor unit. Thus, it is possible to supply air into a plurality of rooms at the same time.
  • An air conditioner according to an eighth aspect of the present invention is the air conditioner according to any one of the third to seventh aspects, wherein the air supply unit includes the first pipe, the second pipe, and the third pipe.
  • the air in the room and the second room can be exhausted to the outside. For this reason, in this air conditioner, the air in the room can be exhausted to the outside.
  • An air conditioner according to a ninth aspect of the present invention is the air conditioner according to any of the fifth to eighth aspects of the present invention, wherein the control unit performs the above-described control so that the inside of the first pipe and the inside of the second pipe The flow rate of the air flowing through can be adjusted. For this reason, the amount of air supplied to each indoor unit can be adjusted.
  • An air conditioner is the air conditioner of the second aspect, wherein the air supply unit further includes a duct.
  • the duct is formed with an air intake port for taking in outdoor air.
  • the switching unit has a shielding mechanism.
  • the shielding mechanism can block at least one of circulation of air flowing inside the duct and the inside of the first pipe and circulation of air flowing inside the duct and the inside of the second pipe.
  • the shielding mechanism includes a flow path forming member, a first valve body, a second valve body, a first urging member, and a second urging member.
  • a first opening and a second opening are formed in the flow path forming member.
  • the first opening is an opening through which air flowing inside the first pipe passes.
  • the second opening is an opening through which air flowing through the second pipe passes.
  • the first valve body moves in a direction intersecting the surface of the flow path forming member, thereby approaching or leaving the first opening.
  • the second valve body moves in a direction intersecting the surface of the flow path forming member, thereby approaching or leaving the second opening.
  • the first urging member is an elastically deformable member, and urges the first valve body to close the first opening when the first valve body moves so as to be close to the first opening.
  • the second urging member is an elastically deformable member, and urges the second valve body to close the second opening when the second valve body moves so as to approach the second opening.
  • the first valve body is urged by the first urging member when the first valve body moves so as to approach the first opening.
  • the second valve body is urged by the second urging member. Therefore, for example, the first valve body and the second valve body can be pressed against the first opening and the second opening as compared with the case where the opening is closed only by the movement of the valve body. This can reduce the risk of air leaking from the gap of the shielding mechanism.
  • the first urging member and the second urging member include a resin member or a rubber member, the first urging member and the second urging member cause the first valve body and The second valve body can be biased.
  • the first biasing member including the resin member or the rubber member is the end portion closer to the first opening among the end portions of the first valve body. If the air gap is provided between the first biasing member and the opening vicinity side end portion of the first valve body, one valve body is close to the first opening. After the first urging member is brought into contact with the first opening and further moved so that the first valve body is close to the first opening, the shape of the first urging member is deformed. Therefore, for example, compared with the case where the opening is closed only by the valve body, it is possible to reduce the possibility that a gap is generated between the first opening and the first valve body.
  • the second biasing member including a resin member or a rubber member is at least a part of the end portion near the opening which is an end portion closer to the second opening among the end portions of the second valve body.
  • the second valve body is close to the second opening. Then, after the second urging member comes into contact with the second opening, the shape of the second urging member is deformed by moving the second valve body closer to the second opening. Therefore, for example, compared with the case where the opening is closed only by the valve body, it is possible to reduce the possibility that a gap is generated between the second opening and the second valve body.
  • the shielding mechanism has a moving mechanism capable of moving the first valve body and the second valve body in a direction intersecting the surface of the flow path forming member
  • the first biasing force is provided by the moving mechanism.
  • the member and the second urging member can be elastically deformed.
  • the first biasing member and the second biasing member include spring members
  • the first valve body and the second valve body can be biased by the spring members.
  • a spring member included in the first urging member and the second urging member urges the first valve body and the second valve body so that the first opening and the second opening are closed. When the most contracted state is sometimes obtained, the first valve body and the second valve body can be biased by the most contracted spring member.
  • the air conditioner according to the eleventh aspect of the present invention is the air conditioner of the second aspect, wherein the air supply unit further includes a duct.
  • the duct is formed with an air intake port for taking in outdoor air.
  • the switching unit has a shielding mechanism.
  • the shielding mechanism can shield at least one of circulation of air flowing inside the duct and the inside of the first pipe and circulation of air flowing inside the duct and the inside of the second pipe.
  • the shielding mechanism includes a flow path forming member, a first valve body, and a second valve body.
  • a first opening and a second opening are formed in the flow path forming member.
  • the first opening is an opening through which air flowing inside the first pipe passes.
  • the second opening is an opening through which air flowing through the second pipe passes.
  • the first valve body can open and close the first opening by linearly moving in a direction intersecting the surface of the flow path forming member.
  • the second valve body can open and close the second opening by moving linearly in a direction intersecting the surface of the flow
  • the first valve body and the second valve body open and close the first opening and the second opening by moving linearly. For this reason, for example, when the first opening and the second opening are closed by the first valve body and the second valve body, the flow path is compared with the shielding mechanism in which the opening is closed by sliding the valve body. It is possible to reduce a possibility that a gap is generated between the forming member and the first valve body and the second valve body. This can reduce the risk of air leaking from the gap of the shielding mechanism.
  • An air conditioner according to a twelfth aspect of the present invention is the air conditioner of the eleventh aspect, wherein the shielding mechanism further includes a drive unit and a conversion mechanism.
  • the conversion mechanism converts the rotational force transmitted from the drive unit into a linear moving force and transmits the converted force to the first valve body and the second valve body. For this reason, a rotational motion can be converted into a linear motion and transmitted to the first valve body and the second valve body.
  • the conversion mechanism is a cam mechanism and has a cylindrical cam whose center line is the movement center axis of the valve body
  • the one valve body and the second valve body are linearly moved by the cylindrical cam. Can be moved to.
  • the cam mechanism has an inclined cam surface, the first valve body and the second valve body can be moved smoothly.
  • An air conditioner according to a thirteenth aspect of the present invention is the air conditioner of the second aspect, wherein the air supply unit further includes a duct.
  • the duct is formed with an air intake port for taking in outdoor air.
  • the switching unit has a shielding mechanism.
  • the shielding mechanism can shield at least one of circulation of air flowing inside the duct and the inside of the first pipe and circulation of air flowing inside the duct and the inside of the second pipe.
  • the shielding mechanism includes a flow path forming member, a first valve body, a second valve body, and a valve body driving unit.
  • a first opening and a second opening are formed in the flow path forming member.
  • the first opening is an opening through which air flowing inside the first pipe passes.
  • the second opening is an opening through which air flowing through the second pipe passes.
  • the first valve body can close the first opening.
  • the second valve body can close the second opening.
  • a valve body drive part drives a 1st valve body and a 2nd valve body synchronously using the rotational
  • the first valve body and the second valve body can be driven in synchronization using the rotational force transmitted from one motor. For this reason, the first opening and the second opening can be closed by one motor. Therefore, the flow of air flowing through the inside of the duct and the inside of the first pipe and the flow of air flowing through the inside of the duct and the inside of the second pipe can be shielded by one motor. As a result, it is possible to shield a plurality of air flow paths without increasing the number of parts as compared with the case where one motor is used to drive one valve element.
  • An air conditioner according to a fourteenth aspect of the present invention is the air conditioner of the thirteenth aspect, wherein the valve body drive unit includes a conversion mechanism.
  • the conversion mechanism converts the rotational force transmitted from the motor into a linear moving force and transmits it to the first valve body and the second valve body. For this reason, the valve body drive part can drive the 1st valve body and the 2nd valve body linearly.
  • An air conditioner according to a fifteenth aspect of the present invention is the air conditioner according to any one of the thirteenth aspect and the fourteenth aspect of the present invention, further comprising a control unit that controls driving of the motor.
  • the controller switches between the first state and the second state by controlling the driving of the motor.
  • the first state is a state where the first opening is open and the second opening is closed.
  • the second state is a state where the first opening is closed and the second opening is opened. For this reason, any one opening of a 1st opening or a 2nd opening can be made into the open state.
  • the control unit controls the driving of the motor to further switch to the third state in which the first opening and the second opening are closed, the first opening and the first opening are simultaneously performed. Can be closed. Therefore, the flow of air flowing through the duct and the first pipe and the flow of air flowing through the duct and the second pipe can be shielded.
  • the shielding mechanism has a detection unit that can detect whether the first opening or the second opening is opened, it is detected that the first opening or the second opening is opened. be able to. Further, for example, when the control unit can determine whether the first state or the second state is based on the rotation direction of the motor and the detection result by the detection unit. It is possible to determine which of the first pipe and the second pipe has air flowing therein.
  • the air conditioner according to the sixteenth aspect of the present invention is the air conditioner of the second aspect, wherein the air supply unit further includes a duct.
  • the duct is formed with an air intake port for taking in outdoor air.
  • the switching unit has a shielding mechanism.
  • the shielding mechanism can shield at least one of circulation of air flowing inside the duct and the inside of the first pipe and circulation of air flowing inside the duct and the inside of the second pipe.
  • the shielding mechanism includes a flow path forming member, a valve body, and a valve body moving mechanism.
  • a first opening and a second opening are formed in the flow path forming member.
  • the first opening is an opening through which air flowing inside the first pipe passes.
  • the second opening is an opening through which air flowing through the second pipe passes.
  • the valve body can open and close the first opening and the second opening by linearly moving in a direction intersecting the surface of the flow path forming member.
  • the valve body moving mechanism has a rotating member that is rotated by a driving source.
  • the valve body moving mechanism can move the valve body by converting the rotation of the rotating member into a linear motion so that the first opening and the second opening are opened and closed.
  • the valve body moving mechanism is configured so that the first opening and the second opening are closed by the valve body when the rotation reference position is within a predetermined area that occupies a predetermined angle range of the rotation member as the rotation member rotates. It is configured.
  • the first opening and the second opening are shielded by the valve element.
  • the first opening and the second opening are shielded by the valve element.
  • the first opening and the possibility that the second opening is not shielded can be reduced. This can reduce the risk of air leaking from the gap of the shielding mechanism.
  • the rotation reference position is a position that does not vary due to the rotation of the rotating member.
  • An air conditioner according to a seventeenth aspect of the present invention is the air conditioner according to the sixteenth aspect of the present invention, further comprising detection means for detecting that the valve body is in a predetermined first position.
  • the drive source is a stepping motor. Further, the drive source rotationally drives the rotation member so that the rotation reference position falls within a predetermined region of the rotation member in accordance with the number of pulses supplied from the predetermined first position or the predetermined second position.
  • the predetermined second position is a position that is in the vicinity of the predetermined first position and is determined based on the predetermined first position.
  • the valve body moving mechanism moves the valve body from the predetermined first position or the predetermined second position to the shield position by rotationally driving the rotating member according to the number of pulses supplied by the stepping motor.
  • the shielding position is a position where the first opening and the second opening are closed by the valve body.
  • the valve element moves from the predetermined first position or the predetermined second position to the shielding position by rotating the rotating member according to the number of pulses supplied by the stepping motor. For this reason, even if the driving source is a stepping motor that rotates according to the number of supplied pulses, the valve element can be moved to the shielding position when the rotation reference position is within a predetermined region of the rotating member. . Thereby, the possibility that the first opening and the second opening are not shielded can be reduced.
  • the number of supplied pulses is the number of pulses supplied to the motor.
  • An air conditioner is the air conditioner of the second aspect, wherein the air supply unit further includes a duct.
  • the duct is formed with an air intake port for taking in outdoor air.
  • the switching unit has a shielding mechanism.
  • the shielding mechanism can shield at least one of circulation of air flowing inside the duct and the inside of the first pipe and circulation of air flowing inside the duct and the inside of the second pipe.
  • the shielding mechanism includes a flow path forming member, a first valve body, a second valve body, and a valve body moving mechanism.
  • a first opening and a second opening are formed in the flow path forming member.
  • the first opening is an opening through which air flowing inside the first pipe passes.
  • the second opening is an opening through which air flowing through the second pipe passes.
  • the first valve body can close the first opening.
  • the second valve body can close the second opening.
  • the valve body moving mechanism has a rotating member that is rotationally driven by one motor that can rotate forward and backward. Further, the valve body moving mechanism can move the first valve body and the second valve body by converting the rotation of the rotating member into a linear motion so that the first opening and the second opening are opened and closed. . Furthermore, the valve body moving mechanism can move the first valve body and the second valve body so as to be in the first state, the second state, or the third state.
  • the first state is a state where the first opening is open and the second opening is closed.
  • the second state is a state where the first opening is closed and the second opening is opened.
  • the third state is a state where the first opening and the second opening are closed. Further, the valve body moving mechanism is configured to be in the third state when the rotation member is rotated and the rotation reference position is within a predetermined region occupying a predetermined angle range of the rotation member.
  • the valve body can be moved so that the first opening and the second opening are closed. Therefore, for example, even in a motor that rotates forward and backward according to the number of pulses supplied by the motor, by rotating the rotating member so that the rotation reference position falls within a predetermined region, the first opening and The second opening can be closed. This can reduce the risk of air leaking from the gap of the shielding mechanism.
  • An air conditioner according to a nineteenth aspect of the present invention is the air conditioner according to any one of the second to eighteenth aspects, wherein the switching unit is built in the air supply unit body. For this reason, the operation
  • An air conditioner according to a twentieth aspect of the present invention is the air conditioner according to any one of the second to nineteenth aspects, wherein the switching unit is disposed outside the air supply unit body. For this reason, compared with the case where a switching part is arrange
  • An air conditioner pertaining to a twenty-first invention is the air conditioner of any of the first to twentieth inventions, wherein the air supply unit further comprises a humidifying part.
  • the humidifying unit can humidify the air taken from outside the room. Thereby, humid air can be supplied into the room.
  • the air supply to the plurality of rooms can be realized by one air supply unit.
  • outdoor air can be supplied to the first indoor unit and the second indoor unit.
  • the connection state between the third pipe and at least one of the first pipe and the second pipe can be switched.
  • the pressure loss in the third pipe can be reduced.
  • the switching unit can be switched by sliding the partition member.
  • the switching unit can be switched by rotating the partition member.
  • air can be supplied simultaneously into a plurality of rooms.
  • the air conditioner can exhaust the air in the room to the outside.
  • the amount of air supplied to each indoor unit can be adjusted.
  • the risk of air leaking from the gaps in the shielding mechanism can be reduced.
  • the risk of air leaking from the gap of the shielding mechanism can be reduced.
  • the rotational motion can be converted into a linear motion and transmitted to the first valve body and the second valve body.
  • the plurality of air flow paths can be shielded without increasing the number of parts.
  • the first valve body and the second valve body can be driven linearly.
  • any one of the first opening and the second opening can be opened.
  • the risk of air leaking from the gap of the shielding mechanism can be reduced.
  • the risk that the first opening and the second opening are not shielded can be reduced.
  • the risk of air leaking from the gaps in the shielding mechanism can be reduced.
  • the work of installing the switching unit separately from the air supply unit main body can be eliminated.
  • the size of the air supply unit can be reduced.
  • humidified air can be supplied into the room.
  • FIG. 1 is a schematic refrigerant circuit diagram of an air conditioner according to a first embodiment of the present invention.
  • the reactor fixed to the partition plate is shown in (a) front view, (b) left side view, and (c) right side view.
  • the (a) front view and the (b) left view which show the modification of a 3rd raising part.
  • FIG. 7A A plan view of the air flow path switching portion in the first state, (b) a cross-sectional view showing the flow of air at the time of air supply (corresponding to the cross-section VII-VII in FIG. 7A), and (c) Sectional drawing which shows the flow of the air at the time of exhaust (equivalent to the VII-VII VII cross section of Fig.7 (a)).
  • FIG. 13 The conceptual diagram of the air conditioner which concerns on 2nd Embodiment of this invention.
  • A a plan view of the air flow path switching portion in the first state
  • A a plan view of the air flow path switching portion in the 21st state
  • (b) a cross-sectional view showing the flow of air during supply corresponding to the XIV-XIV cross section of FIG.
  • the disassembled perspective view of a shielding part. (A) The top view of a gear in a cylindrical cam part, (b) The side view which looked at the gear from the arrow K1 direction of Fig.22 (a).
  • In the cylindrical cam portion (a) a plan development view showing a driving cam deployed on a plane, (b) a plan development view showing a gear side cam portion deployed on a plane.
  • the air conditioner 1 which concerns on 1st Embodiment of this invention is demonstrated.
  • the air conditioner 1 is a multi-type air conditioner in which one outdoor unit 3 and two indoor units 2a and 2b are connected in parallel by a refrigerant pipe.
  • the air conditioner 1 can perform operations such as normal operation including cooling operation and heating operation, humidification operation, air supply operation, and exhaust operation.
  • the outdoor unit 3 includes an outdoor air conditioning unit 5 that houses an outdoor heat exchanger 24, an outdoor fan 29, and the like, and a humidification unit 4. Indoor heat exchangers 11a and 11b are accommodated in the indoor units 2a and 2b.
  • the intake / exhaust hose 6a, 6b which can be connected with the internal space of the humidification unit 4 and the internal space of indoor unit 2a, 2b is provided.
  • the intake / exhaust hoses 6a and 6b are composed of outdoor ducts 8a and 8b arranged outside and indoor ducts 9a and 9b arranged indoors.
  • the first indoor unit 2a is a wall-mounted indoor unit that is disposed in the first room 1a and is installed on the wall surface of the first room 1a.
  • the second indoor unit 2b is a wall-mounted indoor unit that is disposed in the second room 1b and is installed on a wall surface or the like in the second room 1b in the same manner as the first indoor unit 2a.
  • the 1st indoor unit 2a and the 2nd indoor unit 2b are connected to the outdoor unit 3 via refrigerant
  • the 1st indoor unit 2a and the 2nd indoor unit 2b are the same structures, only the structure of the 1st indoor unit 2a is demonstrated here.
  • a first indoor fan 12a, the above-described first indoor heat exchanger 11a, and the like are accommodated in the first indoor unit 2a.
  • the first indoor heat exchanger 11a includes a heat transfer tube that is bent back and forth at both ends in the longitudinal direction and a plurality of fins that are inserted from the heat transfer tube, and performs heat exchange between the air that contacts the heat transfer tube.
  • the 1st indoor fan 12a is comprised by the cylindrical shape, and the blade
  • the first indoor fan 12a is driven to generate an air flow in a direction crossing the rotation axis.
  • the first indoor fan 12a causes the air in the first room 1a to be sucked into the first indoor unit 2a, and the air after the heat exchange with the first indoor heat exchanger 11a is performed in the first room 1a. Blow in.
  • a first indoor duct 9a which is a part of the first intake / exhaust hose 6a, is disposed in the first indoor unit 2a.
  • the first indoor duct 9a is provided with an opening, and this opening is disposed at a position facing the surface of the first indoor heat exchanger 11a.
  • the specific position of the opening is the downstream side of the air intake port provided in the upper part of the first indoor unit 2a in a state where the first indoor fan 12a rotates and an air flow is generated, and , Upstream of the first indoor heat exchanger 11a.
  • the outdoor unit 3 includes a lower outdoor air conditioning unit 5 and an upper humidification unit 4. For this reason, in this outdoor unit 3, the power supply of the outdoor air conditioning unit 5 and the humidification unit 4 can be unified.
  • the outdoor air conditioning unit 5 has an outdoor unit casing 43 as shown in FIG. Further, in the outdoor unit casing 43, as shown in FIG. 1, the compressor 21, the four-way switching valve 22 connected to the discharge side of the compressor 21, and the accumulator connected to the suction side of the compressor 21 23, an outdoor heat exchanger 24 connected to the four-way switching valve 22, and outdoor expansion valves 25a and 25b connected to the outdoor heat exchanger 24 are accommodated.
  • the outdoor expansion valves 25a and 25b are connected to the liquid refrigerant pipe via the filters 26a and 26b and the liquid closing valves 27a and 27b, and are connected to one end of the indoor heat exchangers 11a and 11b via the liquid refrigerant pipe. ing.
  • the four-way switching valve 22 is connected to a gas refrigerant pipe via gas closing valves 28a and 28b, and is connected to the other ends of the indoor heat exchangers 11a and 11b via the gas refrigerant pipe.
  • the outdoor air conditioning unit 5 is partitioned by a partition plate 44 into a blower chamber in which the outdoor fan 29 is disposed and a machine chamber in which the compressor 21 is disposed. Yes. Further, a reactor 50 is accommodated in the outdoor air conditioning unit 5, and the reactor 50 is fixed above the partition plate 44. Further, as shown in FIGS. 4 and 5, the partition plate 44 is provided with cut-and-raised portions 44a, 44b, 44c, dowels 44d, and screw holes 44e for fixing the reactor fixing plate 45.
  • the cut and raised parts 44a, 44b and 44c are provided on the partition plate 44 so as to protrude from the blower chamber side to the machine room side (first cut and raised parts 44a, second cut and raised parts 44b and third cut and raised parts 44c). .
  • the first cut-and-raised 44a and the second cut-and-raised 44b are substantially triangular cut-and-raised, and are provided in a bag shape. Further, the first cut-and-raised 44a and the second cut-and-raised 44b are respectively provided so as to coincide with the upper right and lower ends of the reactor fixing plate 45 when the partition plate 44 is viewed from the machine room side.
  • the third cut-and-raised 44 c is a cut-and-raised formed along the short direction of the partition plate 44 and is provided so as to coincide with the lower left end of the reactor fixing plate 45.
  • the screw hole 44e is a hole provided so that it may correspond with the upper left part of the reactor fixing plate 45, as shown in FIG.
  • the dowel 44d is provided in the vicinity of the screw hole 44e.
  • the reactor fixing plate 45 is provided with a hole 45a at a position that coincides with the screw hole 44e, and a recess 45b at a position that coincides with the dowel 44d.
  • the fixing work of the reactor 50 is performed by the installation operator inserting the reactor fixing plate 45 into the cut and raised portions 44a, 44b and 44c of the partition plate 44 in the direction of arrow A3 in FIG. This is performed by screwing with a screw 46 so as to pass through the hole 45a provided and the screw hole 44e provided in the partition plate 44.
  • the right upper and lower ends of the reactor 50 are raised and supported by the upper and lower ends 44 a, 44 b, 44 c, and the right upper end is fixed by the screw 46.
  • the upper right and lower ends of the right side of the reactor 50 are supported by bag-shaped cuts 44a, 44b and 44c.
  • the third cut-and-raised 144 c may have a shape such that its tip extends along the longitudinal direction of the partition plate 144. Further, by providing a gap necessary for inserting the reactor fixing plate 45 into the third cut and raised 144c so as not to reduce the efficiency of the fixing work, the work to the fixing work is not deteriorated and the partition plate 44 is not deteriorated.
  • the reactor 50 can be fixed more reliably.
  • the humidification unit 4 is arrange
  • the humidification unit 4 can exhaust the air taken in from the rooms 1a and 1b to the outside of the room, and supply the air taken from outside the rooms to the rooms 1a and 1b. Moreover, the air taken in from the outside can be humidified and supplied into the rooms 1a and 1b.
  • the humidification unit casing 7 includes a humidification rotor 51, a heating device 52, a humidification fan 54, an intake / exhaust switching damper 53, a suction blower 55, an air flow path switching unit 30, and the like. Is housed. As shown in FIGS. 1 and 3, an adsorption air blowing port 7 a made up of a plurality of slit-shaped openings is provided on the front surface of the humidifying unit casing 7. Further, an adsorption air intake port 7 b and an intake / exhaust port 7 c are provided on the back surface of the humidifying unit casing 7.
  • the air intake port 7b for adsorption is an opening through which air taken in from the outdoor in order to cause the humidifying rotor 51 to adsorb moisture.
  • the intake / exhaust port 7c is an opening through which air taken into the humidification unit 4 from the outside and sent to the indoor units 2a and 2b passes during the intake operation and the humidification operation.
  • the intake / exhaust port 7c is an opening through which air taken in from the indoor units 2a and 2b and exhausted from the inside of the humidifying unit 4 to the outside during exhaust operation passes.
  • the humidification unit body 6 includes a humidification rotor 51, a heating device 52, an intake / exhaust switching damper 53, a humidification fan 54, an adsorption blower 55, and the like.
  • the humidification rotor 51 is a ceramic rotor having a honeycomb structure, and has a generally disk-shaped outer shape.
  • the humidification rotor 51 is rotatably provided and is driven to rotate by a rotor driving motor. Further, the main part of the humidification rotor 51 is fired from an adsorbent such as zeolite.
  • Adsorbents such as zeolite have the property of adsorbing moisture in the contacting air and desorbing the adsorbed moisture when heated.
  • zeolite is used as the adsorbent, but silica gel, alumina, or the like can also be used as the adsorbent.
  • the heating device 52 is located above the humidification rotor 51 and is disposed to face the humidification rotor 51.
  • the heating device 52 can heat the humidification rotor 51 by heating the air sent to the humidification rotor 51.
  • the humidifying fan 54 is a radical fan assembly that is disposed on the side of the humidifying rotor 51 and generates a flow of air that is taken from the outside and sent to the indoor units 2a and 2b.
  • the humidifying fan 54 generates a flow of air from the intake / exhaust port 7c through the humidifying rotor 51 and the intake / exhaust switching damper 53 into the rooms 1a, 1b, and the air taken from outside is sent to the indoor units 2a, 2b. And send.
  • the humidifying fan 54 can also discharge the air in the rooms 1a and 1b taken from the indoor units 2a and 2b to the outside.
  • the humidifying fan 54 switches between these operations when the intake / exhaust switching damper 53 is switched.
  • the humidifying fan 54 absorbs air that has passed through a portion of the humidifying rotor 51 that faces the heating device 52 when sending air taken from the outside to the indoor units 2 a and 2 b.
  • the exhaust gas is sent to the intake / exhaust duct 58 through the exhaust switch damper 53.
  • the intake / exhaust duct 58 is connected to the intake / exhaust hoses 6a and 6b via an air flow path switching unit 30 described later, and the humidifying fan 54 includes an intake / exhaust duct 58, an air Outdoor air is supplied to the indoor units 2a and 2b via the flow path switching unit 30 and the intake / exhaust hoses 6a and 6b.
  • the air sent to the indoor units 2a and 2b through the intake and exhaust hoses 6a and 6b is blown out to the surfaces of the indoor heat exchangers 11a and 11b in the indoor units 2a and 2b as described above.
  • the suction blower 55 includes a suction fan motor 59 and a suction fan 61 that is rotationally driven by the suction fan motor 59, and air that passes through a portion of the humidification rotor 51 that does not face the heating device 52. Generate a flow.
  • the suction blower 55 is sucked from the suction air intake 7b, passes through a portion of the humidification rotor 51 that does not face the heating device 52, passes through the opening of the bell mouth 62, and passes through the opening of the bell mouth 62.
  • emitted from 7a outdoors is produced
  • the intake / exhaust switching damper 53 is a rotary air flow path switching mechanism including an intake / exhaust damper and an intake / exhaust damper drive motor 53a (see FIG. 10) for rotating the intake / exhaust damper.
  • the intake / exhaust switching damper 53 is disposed below the humidifying fan 54. Further, in the intake / exhaust switching damper 53, the intake / exhaust damper driving motor 53a rotates the intake / exhaust damper to switch between the air supply state and the exhaust state. In the air supply state, the humidifying fan 54 generates an air flow from the humidifying unit 4 side toward the indoor units 2a and 2b.
  • the intake / exhaust switching damper 53 when the intake / exhaust switching damper 53 is in an air supply state and an air flow path switching unit 30 to be described later is in a first state, the air blown from the humidifying fan 54 flows into the intake / exhaust duct 58 and the air flow path switching unit 30. Then, the air is supplied to the indoor units 2a and 2b through the intake and exhaust hoses 6a and 6b. Thereby, in the air supply state, air flows in the A1 direction shown in FIG. 1, and the outdoor air is humidified or supplied to the indoor units 2a and 2b through the intake and exhaust hoses 6a and 6b without being humidified. .
  • the humidifying fan 54 In the exhaust state, the humidifying fan 54 generates an air flow from the indoor units 2a and 2b to the humidifying unit 4 side.
  • the intake / exhaust switching damper 53 when the intake / exhaust switching damper 53 is in the exhaust state and the air flow path switching unit 30 to be described later is in the first state, the air in the rooms 1a and 1b taken in from the indoor units 2a and 2b flows into the intake and exhaust hose 6a. , 6b, the air flows through the air flow switching unit 30 and the intake / exhaust duct 58 and is exhausted to the outside.
  • the humidifying unit 4 includes an air flow path switching unit 30.
  • the air flow path switching unit 30 is a slide type air flow path switching means connected to the intake / exhaust duct 58 and the intake / exhaust hoses 6a and 6b, as shown in FIGS. Further, the air flow path switching unit 30 is accommodated in the humidification unit casing 7. As shown in FIGS. 7A, 8A, and 9A, the air flow path switching unit 30 includes a switching unit casing 31 and a partition portion 32.
  • the switching unit casing 31 includes a first switching unit casing 33 and a second switching unit casing 34.
  • the first switching portion casing 33 includes a first upper portion 33a that means the upper side in FIGS. 7, 8, and 9, a first side portion 33b that stands from the edge of the first upper portion 33a, and a first upper portion 33a. It is a substantially rectangular parallelepiped member formed from the first lower portion 33c having substantially the same shape. Further, a partition portion 32 is accommodated in the first switching portion casing 33. Further, the first upper portion 33a of the first switching portion casing 33 is provided with a first opening 35a at a substantially central portion and a second opening 35b at one end portion.
  • the first lower portion 33c of the first switching portion casing 33 is provided with a third opening 35c and a fourth opening 35d adjacent to each other at a substantially central portion.
  • the first intake / exhaust hose 6a is connected to the third opening 35c, and the second intake / exhaust hose 6b is connected to the fourth opening 35d.
  • the first side portion 33b is provided with a connection port 35e, and the first switching portion casing 33 is connected to the intake / exhaust duct 58 via the connection port 35e.
  • the second switching portion casing 34 has a substantially elliptical columnar shape composed of an elliptical second upper portion 34a and a second side portion 34b erected from the edge of the second upper portion 34a, and is a box opened at the lower side. It has a shape. Further, as shown in FIGS. 7, 8, and 9, the second upper portion 34a has an area smaller than the area of the first upper portion 33a.
  • the second switching part casing 34 is disposed above the first upper part 33 a so as to cover the first opening 35 a and the second opening 35 b of the first switching part casing 33.
  • the first switching unit casing 33 and the second switching unit casing 34 communicate with each other via the first opening 35a and the second opening 35b.
  • the partition part 32 is comprised from the 3rd upper part 32a, the 3rd side part 32b, the 3rd lower part 32c, and the inner wall part 36, and has a substantially rectangular parallelepiped shape.
  • the third upper portion 32a is a rectangular plate-like member, and a fifth opening 36a is provided in a substantially central portion.
  • the area of the fifth opening 36 a is larger than the area of a sixth opening 36 b described later and the area of the first opening 35 a provided in the switching unit casing 31.
  • the third side portion 32b extends upward from the edge of the third lower portion 32c to the edge of the third upper portion 32a.
  • the third lower portion 32c is a rectangular plate-like member having an area larger than the area of the third upper portion 32a, and a sixth opening 36b is provided at a substantially central portion. Further, the area of the sixth opening 36b is about the same size as the total area of the third opening 35c and the area of the fourth opening 35d provided in the first switching section casing 33.
  • the inner wall portion 36 is a substantially elliptical columnar member that extends upward from the periphery of the sixth opening 36b of the third lower portion 32c to the periphery of the fifth opening 36a of the third upper portion 32a.
  • the partition portion 32 has the first switching so that the fifth opening 36a faces the first opening 35a and the sixth opening 36b faces at least one of the third opening 35c and the fourth opening 35d. Is accommodated in the inner casing 33.
  • the fifth opening 36a is formed so as to always face the first opening 35a.
  • the air flow path switching unit 30 can be switched to three states (first state, second state, and third state) as the partition portion 32 slides in the first switching unit casing 33. It is.
  • the sliding movement of the partition part 32 is performed when the partition part drive motor 42 (refer FIG. 10) drives.
  • the first state, the second state, and the third state will be described with reference to FIGS. 7, 8, and 9.
  • the first state as shown in FIG. 7, the sixth opening 36 b of the partition part 32 is arranged at a position facing the third opening 35 c and the fourth opening 35 d provided in the first switching part casing 33. It is in a state.
  • the inner wall 36 communicates with the first opening 35a on the upper side and communicates with the third opening 35c and the fourth opening 35d on the lower side, whereby the second switching unit casing 34 and the first intake / exhaust hose 6a.
  • the second intake / exhaust hose 6b is in communication with the first intake / exhaust hose 6a and the second intake / exhaust hose 6b.
  • the air flows from the third opening 35c to the first intake / exhaust hose 6a and from the fourth opening 35d to the second intake / exhaust hose 6b.
  • the air that has passed through the first intake / exhaust hose 6a passes through the second opening / exhaust hose 6b via the third opening 35c.
  • the second state is a state in which the sixth opening 36 b of the partition portion 32 is disposed at a position facing the third opening 35 c provided in the first switching portion casing 33. .
  • the fourth opening 35d is shielded by the third lower portion 32c of the partition portion 32. Therefore, the inner wall portion 36 communicates with the first opening 35a on the upper side and communicates with the third opening 35c on the lower side, thereby connecting the inside of the second switching portion casing 34 and the first intake / exhaust hose 6a. Therefore, the intake / exhaust duct 58 and the first intake / exhaust hose 6a communicate with each other.
  • the air supply state as shown in FIG.
  • the air that has passed through the intake / exhaust duct 58 passes through the inside of the first switching portion casing 33 and the inside of the second switching portion casing 34.
  • the first intake / exhaust hose 6a is supplied from the third opening 35c.
  • the air that has passed through the first intake / exhaust hose 6a passes through the third opening 35c and the first switching portion casing 34 and the first switching portion. Flows into the intake / exhaust duct 58 through the inside of the inner casing 33.
  • the third state is a state in which the sixth opening 36 b of the partition portion 32 is disposed at a position facing the fourth opening 35 d provided in the first switching portion casing 33. .
  • the third opening 35 c is shielded by the third lower portion 32 c of the partition portion 32. Therefore, the inner wall portion 36 communicates with the first opening 35a on the upper side and communicates with the fourth opening 35d on the lower side, thereby connecting the inside of the second switching portion casing 34 and the second intake / exhaust hose 6b. Therefore, the intake / exhaust duct 58 and the second intake / exhaust hose 6b communicate with each other.
  • the air supply state as shown in FIG.
  • the air from the intake / exhaust duct 58 passes through the first switching unit casing 33 and the second switching unit casing 34 through the first switching unit casing 33 and the second switching unit casing 34. Air is supplied to the second intake / exhaust hose 6b from the four openings 35d. Further, in the exhaust state, as shown in FIG. 9C, the air that has passed through the second intake / exhaust hose 6b passes through the fourth opening 35d and the second switching unit casing 34 and the first It flows into the intake / exhaust duct 58 through the inside of the switching portion casing 33.
  • the opening state of the opening can be adjusted by adjusting the driving of the partition 32 by the partition drive motor 42 (see FIG. 10). For this reason, for example, in the case of an air supply state, the amount of air flowing through the intake / exhaust hoses 6a and 6b can be adjusted.
  • the control unit 60 is connected to various devices such as the indoor units 2a and 2b, the outdoor air conditioning unit 5 and the humidifying unit 4, and receives an operation command from a person to be air-conditioned via the remote controller 80 or the like. Based on this, operation control of various devices can be performed according to each operation mode such as normal operation, humidification operation, air supply operation, and exhaust operation.
  • the operation of the air conditioner 1 during each air conditioning operation will be described.
  • the compressor 21 is driven and the outdoor expansion valves 25a and 25b are throttled to a predetermined opening, so that the refrigerant circulates in the refrigerant circuit and the indoor heat exchangers 11a and 11b are evaporators or condensers. It functions as a vessel. Further, when the indoor fans 12a and 12b are driven, the indoor fans 12a and 12b are sucked into the indoor units 2a and 2b from the air intake port, and then blown into the room through the indoor heat exchangers 11a and 11b. An air flow is generated. Thereby, cooling or heating in the rooms 1a and 1b can be performed.
  • the control unit 60 controls the operation of the air conditioner 1 so that the humidification operation is performed. In addition, this humidification operation is often performed together with the heating operation.
  • the control unit 60 drives the partition unit driving motor 42 so that the air flow path switching unit 30 is in the first state. Let When the humidifying operation is performed only with the first indoor unit 2a, the control unit 60 drives the partition unit driving motor 42 so that the air flow path switching unit 30 is in the second state. Further, when the humidifying operation is performed only by the second indoor unit 2b, the control unit 60 drives the partition unit driving motor 42 so that the air flow path switching unit 30 is in the third state.
  • the control unit 60 controls the intake / exhaust switching damper 53 to be switched to the air supply state and the air flow path switching unit 30 to the first state, and drives the motor for rotating the humidifying fan 54 and the suction fan motor 59. .
  • the control unit 60 controls the heating device 52 to be energized.
  • the air that has entered the humidifying unit casing 7 passes through a portion of the humidifying rotor 51 that does not face the heating device 52. At this time, the humidification rotor 51 adsorbs moisture from the air passing through the adsorption position of the humidification rotor 51. The air that has passed through the humidification rotor 51 is folded downward and discharged from the adsorption air outlet 7a to the outside of the outdoor unit.
  • the air that has passed through the humidification rotor 51 passes through the humidification fan 54, the intake / exhaust switching damper 53, and the air flow path switching unit 30, and is sent to the intake / exhaust hoses 6a and 6b.
  • the air sent to the intake / exhaust hoses 6a and 6b passes through the indoor heat exchangers 11a and 11b and is blown out into the rooms 1a and 1b from the air outlet.
  • the air sent to the indoor units 2a and 2b contains the moisture adsorbed by the humidification rotor 51, thereby enabling humidification of the room without water supply.
  • the moisture contained in the air introduced into the humidification unit 4 from the outside by the rotation of the adsorption fan 61 is adsorbed to the humidification rotor 51 and the air heated by the heating device 52 is rotated by the rotation of the humidification fan 54.
  • the air containing moisture separated from the humidification rotor 51 is supplied to the indoor units 2a and 2b via the intake / exhaust duct 58, the air flow path switching unit 30, and the intake / exhaust hoses 6a and 6b. is doing.
  • (3) Air Supply Operation When the control unit 60 receives an instruction for the air supply operation from the remote controller 80, the control unit 60 controls the operation of the air conditioner 1 so that the air supply operation is performed.
  • the suction fan motor 59 When the air supply operation is performed, the suction fan motor 59 is not operated, and the heating device 52 is not energized, and the same operation as the humidification operation described above is performed. Thereby, the air taken in from the outside is sent to the indoor units 2a and 2b through the same path as described above without being humidified.
  • the control unit 60 controls the operation of the air conditioner 1 so that the exhaust operation is performed.
  • the control unit 60 drives the partition unit drive motor 42 so that the air flow path switching unit 30 is in the first state.
  • the control unit 60 drives the partition unit drive motor 42 so that the air flow path switching unit 30 is in the second state.
  • the control unit 60 drives the partition unit drive motor 42 so that the air flow path switching unit 30 is in the third state.
  • the control unit 60 controls the intake / exhaust switching damper 53 to switch to the exhaust state and the air flow path switching unit 30 to switch to the first state, and drives the motor that rotates the humidifying fan 54.
  • the suction fan motor 59 is not driven and the heating device 52 is not energized.
  • the humidifying fan 54 is driven, the air in the rooms 1a and 1b taken in from the indoor units 2a and 2b is taken into the humidifying unit 4 through the intake and exhaust hoses 6a and 6b, and during the humidification operation described above. Is discharged outside by flowing in the opposite direction.
  • the air taken into the humidifying unit main body 6 from the intake / exhaust duct 58 passes through the air flow switching unit 30, the intake / exhaust switching damper 53, the humidifying fan 54, and passes through the humidifying rotor 51 from below to above.
  • the air is discharged from the intake / exhaust port 7c to the outside of the room.
  • the air supply operation or the exhaust operation is performed for two rooms, but the air flow path is performed so that the air supply operation and the exhaust operation are performed in two or more rooms.
  • a switching unit may be configured.
  • an air conditioner including an air supply unit that supplies outdoor air into the room.
  • an air conditioner disclosed in Japanese Patent Laid-Open No. 2006-10307 includes an air supply unit having a humidifying function.
  • the air supply unit provided in the air conditioner can humidify outdoor air and supply the humidified outdoor air into the room.
  • the air conditioner can humidify the room.
  • this air conditioner is configured such that one air supply unit is provided for one room. For this reason, when supplying outdoor air into a plurality of rooms, a plurality of air supply units must be provided. Therefore, in the above embodiment, one outdoor unit 3 having the humidifying unit 4 is provided.
  • the humidification unit 4 can supply the air taken in from the outdoor to the indoor units 2a and 2b via the intake and exhaust hoses 6a and 6b. Thereby, the supply of air into the rooms 1a and 1b can be realized by the single outdoor unit 3.
  • the number of humidification units corresponding to the indoor units is unnecessary, manufacturing costs and installation space can be reduced.
  • the air flow path switching unit 30 is provided.
  • the air flow path switching unit 30 can be in the first state, the second state, and the third state as the partition unit 32 slides in the first switching unit casing 33.
  • the sixth opening 36b is disposed at a position facing the third opening 35c and the fourth opening 35d.
  • the sixth opening 36 b is disposed at a position facing the third opening 35 c, and the fourth opening 35 d is shielded by the third lower part 32 c of the partition part 32.
  • the sixth opening 36 b is disposed at a position facing the fourth opening 35 d, and the third opening 35 c is shielded by the third lower part 32 c of the partition part 32.
  • the intake / exhaust duct 58 is in communication with the first intake / exhaust hose 6a and the second intake / exhaust hose 6b.
  • the intake / exhaust duct 58 and the first intake / exhaust hose 6a communicate with each other.
  • the intake / exhaust duct 58 and the second intake / exhaust hose 6b communicate with each other.
  • the communication state between the intake / exhaust duct 58 and at least one of the first intake / exhaust hose 6a or the second intake / exhaust hose 6b can be switched.
  • the first state since the intake / exhaust duct 58 is in communication with the first intake / exhaust hose 6a and the second intake / exhaust hose 6b, air can be supplied into the rooms 1a, 1b at the same time.
  • a first indoor heat exchanger 11a is accommodated in the first indoor unit 2a, and a second indoor heat exchanger 11b is accommodated in the second indoor unit 2b.
  • the outdoor air that has passed through the first intake / exhaust hose 6a or the second intake / exhaust hose 6b is heat-exchanged by the respective heat exchangers 11a, 11b and is supplied into the respective rooms 1a, 1b. . Therefore, for example, even when the set temperature of the first indoor unit 2a is different from the set temperature of the second indoor unit 2b, each room is based on the set temperature set in each indoor unit 2a, 2b.
  • the conditioned air can be generated from the air taken in from the insides 1a and 1b and the outdoor air and supplied into the respective rooms 1a and 1b.
  • the humidification unit 4 can exhaust the air taken in from the indoor units 2a and 2b via the intake / exhaust hoses 6a and 6b outside. For this reason, the air in the rooms 1a and 1b can be exhausted to the outside.
  • the partition part drive motor 42 can adjust the open state of opening by adjusting the drive of the partition part 32. FIG. For this reason, for example, in the case of an air supply state, the amount of air flowing through the intake / exhaust hoses 6a and 6b can be adjusted.
  • the amount of air supplied into the rooms 1a and 1b can be adjusted.
  • the air flow path switching unit 30 is accommodated in the humidification unit casing 7. As a result, the work of installing the air flow path switching unit 30 separately from the humidification unit 4 can be eliminated.
  • the humidification unit 4 can humidify the air taken in from the outdoor via the intake / exhaust hoses 6a and 6b, and can supply it to the indoor units 2a and 2b. Thus, humidified air can be supplied into the rooms 1a and 1b.
  • the power supply of the outdoor air conditioning unit 5 and the humidification unit 4 is unified.
  • control unit is provided with a current detection circuit so that the amount of current supplied to the outdoor air conditioning unit and the humidification unit can be monitored. And adjusting the amount of current supplied to the outdoor air conditioning unit and the humidifying unit by setting the maximum amount of current supplied to the outdoor air conditioning unit and the humidifying unit, for example, to be less than the breaker capacity for home use. Can do.
  • the air conditioner 100 is a multi-type air conditioner in which one outdoor unit 103 and two indoor units 102a and 102b are connected in parallel by a refrigerant pipe.
  • intake / exhaust hoses 106a and 106b capable of communicating with the internal space of the humidification unit 104 and the internal space of the indoor units 102a and 102b are provided.
  • the intake / exhaust hoses 106a and 106b are composed of outdoor ducts 108a and 108b arranged outside and indoor ducts 109a and 109b arranged indoors.
  • the humidifying unit casing 107 houses a humidifying rotor 151, a heating device 152, a humidifying fan 154, an intake / exhaust switching damper 153, an adsorption blower 155, and the like.
  • an adsorption air outlet 107a including a plurality of slit-shaped openings is provided on the front surface of the humidifying unit casing 107.
  • an adsorption air intake port 107b and an intake / exhaust port 107c are provided on the back surface of the humidifying unit casing 107.
  • the air intake port 107b for adsorption is an opening through which air taken in from the outdoor in order to cause the humidifying rotor 151 to adsorb moisture.
  • the intake / exhaust port 107c is an opening through which air that is taken into the humidification unit 104 from the outside and sent to the indoor units 102a and 102b during the intake operation and the humidification operation passes.
  • the intake / exhaust port 107c is an opening through which air that is taken in from the indoor units 102a and 102b and exhausted from the humidifying unit 104 to the outside during exhaust operation passes.
  • the humidifying unit casing 107 is provided with a duct connection port, and the intake / exhaust duct 158 extends from the inside of the humidifying unit casing 107 to the outside of the humidifying unit casing 107 via the duct connecting port.
  • the pipe diameter applied to the intake / exhaust duct 158 is larger than the pipe diameter applied to the intake / exhaust hoses 106a and 106b.
  • the air flow path switching unit 130 is a rotary air flow path switching unit connected to the intake / exhaust duct 158 and the intake / exhaust hoses 106a and 106b, as shown in FIGS. Moreover, the air flow path switching unit 130 is disposed outside the humidifying unit casing 107 as shown in FIGS. 11 and 12. As shown in FIGS. 13, 14, and 15, the air flow path switching unit 130 includes a switching unit casing 131, a damper 132, and a damper drive motor 142 (see FIG. 16).
  • the switching unit casing 131 includes a first switching unit casing 133 and a second switching unit casing 134.
  • the first switching portion casing 133 has a substantially cylindrical shape as shown in FIGS.
  • the second switching part casing 134 is a substantially circular member, and the area thereof is substantially the same as the area of the lower opening of the first switching part casing 133. Further, the second switching portion casing 134 is provided with a first opening 135a and a second opening 135b. The area of the first opening 135a and the area of the second opening 135b are the same.
  • the areas of the first opening 135a and the second opening 135b are smaller than the area of the upper opening of the first switching portion casing 133.
  • the first connection portion extends downward from the peripheral portion of the first opening 135a
  • the second connection portion extends downward from the peripheral portion of the second opening 135b.
  • the switching portion casing 131 is connected to the intake / exhaust duct 158 via the upper opening, is connected to the first intake / exhaust hose 106a via the lower first opening 135a, and the second opening 135b. Is connected to the second intake / exhaust hose 106b.
  • the damper 132 is a substantially semicircular plate-like member, and is rotatably attached to the second switching portion casing 134.
  • the damper 132 is rotated by driving a damper drive motor 142 (see FIG. 16).
  • the air flow path switching unit 130 can be switched to three states (first state, second state, and third state) as the damper 132 rotates.
  • first state, the second state, and the third state will be described with reference to FIGS. 13, 14, and 15.
  • the damper 132 In the first state, as shown in FIG. 13A, the damper 132 is disposed so as to open the first opening 135a and the second opening 135b provided in the second switching portion casing 134. It is.
  • the switching unit casing 131 is connected to the intake / exhaust duct 158 on the upper side, and communicates with the first opening 135a and the second opening 135b on the lower side, so that the second switching unit casing 134 and the first intake / exhaust hose are connected. 106a and the second intake / exhaust hose 106b are connected. Therefore, the intake / exhaust duct 158 is in communication with the first intake / exhaust hose 106a and the second intake / exhaust hose 106b. As a result, in the air supply state, as shown in FIG. 13B, the air that has passed through the intake / exhaust duct 158 passes through the switching portion casing 131 to the first intake / exhaust from the first opening 135a.
  • the hose 106a flows from the second opening 135b to the second intake / exhaust hose 106b.
  • the air that has passed through the first intake / exhaust hose 106a passes through the first opening 135a and the air that has passed through the second intake / exhaust hose 106b.
  • the second state is a state in which the damper 132 is disposed so as to cover the second opening 135b provided in the second switching portion casing 134, as shown in FIG. 14 (a). Further, the first opening 135a is in an open state. Therefore, the switching unit casing 131 is connected to the intake / exhaust duct 158 on the upper side, and the second switching unit casing 134 and the first intake / exhaust hose 106a are connected to each other by communicating with the first opening 135a on the lower side. ing. Therefore, the intake / exhaust duct 158 and the first intake / exhaust hose 106a communicate with each other. Thus, in the air supply state, as shown in FIG.
  • the air that has passed through the intake / exhaust duct 158 passes through the switching portion casing 131 and passes through the first opening 135a to the first intake / exhaust air. It flows to the hose 106a.
  • the air that has passed through the first intake / exhaust hose 106a passes through the inside of the switching portion casing 131 through the first opening 135a, and is then taken in and out of the air. It flows to the duct 158.
  • the 3rd state is a state where damper 132 is arranged so that the 1st opening 135a provided in the 2nd change part casing 134 may be covered as shown in Drawing 15 (a). Further, the second opening 135b is in an open state. Therefore, the switching portion casing 131 is connected to the intake / exhaust duct 158 on the upper side, and the second switching portion casing 134 and the second intake / exhaust hose 106b are connected to each other by communicating with the second opening 135b on the lower side. ing. Therefore, the intake / exhaust duct 158 communicates with the second intake / exhaust hose 106b. As a result, in the air supply state, as shown in FIG.
  • the air that has passed through the intake / exhaust duct 158 passes through the switching portion casing 131 to the second intake / exhaust from the second opening 135 b. It flows to the hose 106b.
  • the air that has passed through the second intake / exhaust hose 106b passes through the inside of the switching portion casing 131 through the second opening 135b, and is taken in and out of the air. It flows to the duct 158.
  • the damper drive motor 142 adjusts the drive of the damper 132, whereby the open state of the openings 135a and 135b can be adjusted. For this reason, for example, in the supply state, the amount of air flowing through the intake / exhaust hoses 106a and 106b can be adjusted.
  • the control unit 160 is connected to various devices such as the indoor units 102a and 102b, the outdoor air conditioning unit 105, and the humidifying unit 104, and receives an operation command from a person to be air-conditioned via the remote controller 180 or the like. Based on this, operation control of various devices can be performed according to each operation mode such as normal operation, humidification operation, air supply operation, and exhaust operation.
  • the operation of the air conditioner 100 during each air conditioning operation will be described.
  • the indoor fans 112a and 112b are driven, the indoor fans 112a and 112b are sucked into the indoor units 102a and 102b from the air intake port, and then blown out into the room through the indoor heat exchangers 111a and 111b. An air flow is generated. Thereby, cooling or heating in the rooms 101a and 101b can be performed.
  • the control unit 160 controls the operation of the air conditioner 100 so that the humidification operation is performed. In addition, this humidification operation is often performed together with the heating operation.
  • the control unit 160 drives the damper drive motor 142 so that the air flow path switching unit 130 is in the first state.
  • the control unit 160 drives the damper drive motor 142 so that the air flow path switching unit 130 is in the second state.
  • the control unit 160 drives the damper drive motor 142 so that the air flow path switching unit 130 is in the third state.
  • the control unit 160 controls the intake / exhaust switching damper 153 to switch to the air supply state and the air flow path switching unit 130 to switch to the first state, and drives the motor for rotating the humidifying fan 154 and the suction fan motor 159 .
  • the control unit 160 controls the heating device 152 to be energized.
  • the air that has entered the humidifying unit casing 107 passes through a portion of the humidifying rotor 151 that does not face the heating device 152. At this time, the humidification rotor 151 adsorbs moisture from the air passing through the adsorption position of the humidification rotor 151. The air that has passed through the humidification rotor 151 is folded downward and discharged from the adsorption air outlet 107a to the outside of the outdoor unit.
  • outdoor air is taken into the humidifying unit 104 and supplied into the rooms 101a and 101b through the intake and exhaust hoses 106a and 106b and the indoor units 102a and 102b. That is, outdoor air is taken into the humidifying unit casing 107 from the intake / exhaust port 107c, passes through the humidifying rotor 151 from below to above and heated by the heating device 152, and then passes through the humidifying rotor 151 from above. To pass through. At this time, the moisture adsorbed on the humidification rotor 151 is excited and desorbs from the humidification rotor 151 into the air.
  • the air that has passed through the humidifying rotor 151 passes through the humidifying fan 154, the intake / exhaust switching damper 153, and the air flow path switching unit 130, and is sent to the intake / exhaust hoses 106a and 106b.
  • the air sent to the intake / exhaust hoses 106a, 106b passes through the indoor heat exchangers 111a, 111b and is blown out into the rooms 101a, 101b from the air outlets.
  • the air sent to the indoor units 102a and 102b includes the moisture adsorbed by the humidification rotor 151, thereby enabling humidification in the room without supplying water.
  • the controller 160 controls the operation of the air conditioner 100 so that the air supply operation is performed.
  • the suction fan motor 159 is not operated, and the heating device 152 is not energized, and the same operation as the humidification operation described above is performed.
  • the air taken in from the outside is sent to the indoor units 102a and 102b through the same path as described above without being humidified.
  • the control unit 160 controls the operation of the air conditioner 100 so that the exhaust operation is performed.
  • the control unit 160 drives the damper drive motor 142 so that the air flow path switching unit 130 is in the first state.
  • the control unit 160 drives the damper drive motor 142 so that the air flow path switching unit 130 is in the second state.
  • the control unit 160 drives the damper drive motor 142 so that the air flow path switching unit 130 is in the third state.
  • the control unit 160 controls the intake / exhaust switching damper 153 to switch to the exhaust state and the air flow path switching unit 130 to switch to the first state, and drives the motor that rotates the humidifying fan 154.
  • the suction fan motor 159 is not driven and the heating device 152 is not energized.
  • the humidifying fan 154 is driven, the air in the rooms 101a and 101b taken in from the indoor units 102a and 102b is taken into the humidifying unit 104 via the intake and exhaust hoses 106a and 106b, and during the humidifying operation described above. Is discharged outside by flowing in the opposite direction.
  • the air taken into the humidifying unit main body 106 from the intake / exhaust duct 158 passes through the air flow switching unit 130, the intake / exhaust switching damper 153, the humidifying fan 154, and passes through the humidifying rotor 151 from below to above. It is discharged from the intake / exhaust port 107c to the outside of the room.
  • the air supply operation or the exhaust operation is performed on the two rooms 101a and 101b, but the air supply operation and the exhaust operation are performed on two or more rooms.
  • An air flow path switching unit may be configured.
  • the air flow path switching unit 130 is disposed outside the humidification unit casing 107. For this reason, compared with the case where the air flow path switching part 130 is arrange
  • this air conditioner 201 is a multi-type air conditioner in which one outdoor unit 203 and two indoor units 202a and 202b are connected in parallel by refrigerant piping.
  • the air conditioner 201 can perform operations such as a cooling operation, a heating operation, a dehumidifying operation, a humidifying operation, an air supply operation, and an exhaust operation.
  • the outdoor unit 203 includes an outdoor air conditioning unit 204 that houses an outdoor heat exchanger 224, an outdoor fan 229, and the like, and a humidification unit 205.
  • Indoor heat exchangers 211a and 211b and indoor fans 212a and 212b are accommodated inside the indoor units 202a and 202b.
  • an intake / exhaust duct 206 is provided between the humidification unit 205 and the indoor units 202a and 202b, which can communicate with the internal space of the humidification unit 205 and the internal spaces of the indoor units 202a and 202b.
  • the intake / exhaust duct 206 mainly includes indoor ducts 209a and 209b disposed indoors, a humidifying duct 258 disposed in the humidifying unit 205, and the outdoor connecting the indoor ducts 209a and 209b and the humidifying duct 258. It is composed of ducts 208a and 208b.
  • the humidification unit 205 with which the air conditioner 201 is provided is demonstrated.
  • the humidification unit 205 is arrange
  • the humidification unit 205 is provided with the humidification unit casing 207 and the humidification unit main body 205a, as shown in FIG.17 and FIG.19.
  • the humidifying unit main body 205a includes a humidifying rotor 251, a heating device 252, an intake / exhaust switching damper 253, an intake / exhaust fan 254, an adsorption blower 255, an air flow path switching unit 230, and the like.
  • the humidifying unit casing 207 houses a humidifying rotor 251, a heating device 252, an intake / exhaust fan 254, an intake / exhaust switching damper 253, an adsorption blower 255, an air flow path switching unit 230, and the like.
  • the front surface of the humidifying unit casing 207 is provided with an adsorption air outlet 207 a composed of a plurality of slit-shaped openings.
  • an adsorption air intake port 207b and an intake / exhaust port 207c are provided on the back surface of the humidifying unit casing 207.
  • the adsorption air intake port 207b is an opening through which air taken in from the outside passes in order to cause the humidification rotor 251 to adsorb moisture.
  • the intake / exhaust port 207c is an opening through which air taken into the humidification unit 205 from the outside and sent to the indoor units 202a and 202b passes during the air supply operation and the humidification operation.
  • the intake / exhaust port 207c is an opening through which air taken in from the indoor units 202a and 202b and exhausted from the humidification unit 205 to the outside during exhaust operation passes.
  • the humidification rotor 251 is a ceramic rotor having a honeycomb structure and has a generally disk-shaped outer shape.
  • the humidification rotor 251 is rotatably provided and is driven to rotate by a rotor driving motor. Furthermore, the main part of the humidification rotor 251 is fired from an adsorbent such as zeolite.
  • the heating device 252 is located above the humidification rotor 251 and is disposed to face the humidification rotor 251. Further, the heating device 252 can heat the humidification rotor 251 by heating the air sent to the humidification rotor 251.
  • the intake / exhaust fan 254 is a radical fan assembly that is disposed on the side of the humidification rotor 251 and generates a flow of air that is taken in from outside and sent to the indoor units 202a and 202b.
  • the intake / exhaust fan 254 generates an air flow from the intake / exhaust port 207c through the humidification rotor 251 and the intake / exhaust switching damper 253 into the rooms 201a and 201b, and the air taken from outside the indoor units 202a and 202b. Can be sent to.
  • the intake / exhaust fan 254 can also discharge the air in the rooms 201a and 201b taken from the indoor units 202a and 202b to the outside.
  • the intake / exhaust fan 254 conveys air taken from outside through the intake / exhaust port 207c to the indoor units 202a and 202b, and air inside the rooms 201a and 201b taken from the indoor units 202a and 202b. It can be transported outside.
  • the intake / exhaust fan 254 switches these operations when the intake / exhaust switching damper 253 is switched.
  • the intake / exhaust fan 254 sends air taken from outside to the first indoor unit 202a or the second indoor unit 202b, as shown in FIG. 17, a portion of the humidifying rotor 251 that faces the heating device 252 The air that has passed through is sent to the first outdoor duct 208a or the second outdoor duct 208b via the intake / exhaust switching damper 253 and the air flow path switching unit 230.
  • the humidification duct 258 communicates with the external space of the humidification unit casing 207 through the intake / exhaust port 207c. Further, the humidification duct 258 is connected to the outdoor ducts 208a and 208b as described above.
  • outdoor air flowing in the internal space of the humidification duct 258 can be supplied to the indoor units 202a and 202b via the outdoor ducts 208a and 208b.
  • the air sent to the indoor units 202a and 202b through the outdoor ducts 208a and 208b is blown out to the surfaces of the indoor heat exchangers 211a and 211b inside the indoor units 202a and 202b.
  • the intake / exhaust fan 254 when exhausting the air in the rooms 201a and 201b taken from the indoor units 202a and 202b to the outside, the rooms 201a and 201b that have passed through the outdoor ducts 208a and 208b and the humidifying duct 258.
  • the inside air is discharged from the intake / exhaust port 207c to the outside of the room.
  • the suction blower 255 has a suction fan motor 259b and a suction fan 259a that is rotationally driven by the suction fan motor 259b, and the air that passes through a portion of the humidification rotor 251 that does not face the heating device 252. Generate a flow.
  • the suction blower 255 is sucked from the suction air intake 207b, passes through a portion of the humidification rotor 251 that does not face the heating device 252, passes through the opening of the bell mouth 259c, and passes through the opening of the bell mouth 259c. A flow of air discharged from 207a to the outside of the room is generated.
  • the intake / exhaust switching damper 253 is a rotary air flow path switching means including an intake / exhaust damper and a damper drive motor 253a (see FIG. 37) for rotating the intake / exhaust damper.
  • the intake / exhaust switching damper 253 is disposed below the intake / exhaust fan 254. Further, in the intake / exhaust switching damper 253, the intake / exhaust damper driving motor 253a rotates the intake / exhaust damper to switch between the air supply state and the exhaust state. In the air supply state, the intake / exhaust fan 254 generates an air flow from the humidifying unit 205 side toward the indoor units 202a and 202b.
  • the intake / exhaust switching damper 253 when the intake / exhaust switching damper 253 is in an air supply state and the air flow path switching unit 230 is in the first state, the air blown from the intake / exhaust fan 254 passes through the humidifying duct 258 and passes through the first outdoor duct 208a. Thus, the first indoor unit 202a is supplied. Therefore, when the intake / exhaust switching damper 253 is in the air supply state and the air flow path switching unit 230 is in the first state, air flows in the A3 direction shown in FIG. 17 and the outdoor air is humidified, or It is supplied to the first indoor unit 202a through the first outdoor duct 208a without being humidified.
  • the intake / exhaust switching damper 253 when the intake / exhaust switching damper 253 is in the supply state and the air flow path switching unit 230 is in the second state, the air blown from the intake / exhaust fan 254 passes through the humidification duct 258 and the second outdoor duct 208b. Then, it is supplied to the second indoor unit 202b. For this reason, when the intake / exhaust switching damper 253 is in the supply state and the air flow path switching unit 230 is in the second state, air flows in the A4 direction shown in FIG. 17 and the outdoor air is humidified, or It is supplied to the second indoor unit 202b through the second outdoor duct 208b without being humidified.
  • the intake / exhaust fan 254 In the exhaust state, the intake / exhaust fan 254 generates an air flow from the indoor units 202a and 202b to the humidifying unit 205.
  • the intake / exhaust switching damper 253 when the intake / exhaust switching damper 253 is in the exhaust state and the air flow path switching unit 230 is in the first state, the intake / exhaust fan 254 rotates to move into the first room 201a taken in from the first indoor unit 202a. The air is exhausted to the outside through the humidifying duct 258 via the first outdoor duct 208a.
  • the intake / exhaust switching damper 253 when the intake / exhaust switching damper 253 is in the exhaust state and the air flow path switching unit 230 is in the first state, air flows in the A5 direction shown in FIG. The air that has passed through the duct 208a and the humidifying duct 258 is exhausted to the outside through the intake / exhaust port 207c.
  • the air flow path switching unit 230 is an air flow path switching means housed in the humidification unit 205.
  • the configuration of the air flow path switching unit 230 will be described.
  • the air flow path switching unit 230 opens and closes openings 236 and 237 formed in the lower casing 232 described later, thereby forming an air flow path formed between the humidification unit 205 and the first indoor unit 202a, that is, The flow of air flowing through the humidifying duct 258, the first outdoor duct 208a and the first indoor duct 209a, and the air flow path formed between the humidifying unit 205 and the second indoor unit 202b, that is, the humidifying duct 258, the first The flow of the air flowing through the two outdoor ducts 208b and the second indoor duct 209b is shielded or opened.
  • the air flow path switching unit 230 includes a switching unit casing 233 that is a part of the humidification duct 258 and a shielding unit 240.
  • the switching unit casing 233 houses the intake / exhaust fan 254 therein. Further, as shown in FIGS. 19 and 20, the switching unit casing 233 mainly includes an upper casing 231 and a lower casing 232.
  • the upper casing 231 is formed with openings 231a and 231b through which shafts 247 and 297 of a shield 240 described later can be inserted. Further, when the switching unit casing 233 and the shielding unit 240 are combined, the mounting plate 282 is mounted on the upper side of the upper casing 231 so as to cover the openings 231a and 231b.
  • the lower casing 232 is formed with an opening 234 through which the intake / exhaust fan 254 sucks air and two openings 236 and 237 connected to the outdoor ducts 208a and 208b.
  • the openings 236 and 237 of the lower casing 232 are provided at positions facing the openings 231a and 231b of the upper casing 231 when the lower casing 232 and the upper casing 231 are combined.
  • the internal space of the switching unit casing 233 and the internal space of the first outdoor duct 208a communicate with each other via the opening 236, and the internal space of the switching unit casing 233 and the second space
  • the interior space of the outdoor duct 208 b communicates with the opening 237.
  • the upper casing 231 and the lower casing 232 are combined and joined, so that the air flowing from the intake / exhaust fan 254 flows from the inside of the switching unit casing 233 through the openings 236 and 237 to the respective outdoor ducts. It flows to 208a and 208b.
  • the switching unit casing 233 is a part of the humidification duct 258 through which air flowing from the outside to the inside of the rooms 201a and 201b or from the inside of the rooms 201a and 201b passes. Therefore, the air flowing inside the switching unit casing 233 is conveyed by the intake / exhaust fan 254 from the outside to the rooms 201a and 201b or from the rooms 201a and 201b to the outside.
  • the shielding unit 240 mainly includes a drive unit 271 having one motor 271a, two cylindrical cams 242 and 292 that are rotationally driven by the drive unit 271, and two valve bodies 243. 293.
  • the drive unit 271 includes a motor 271a and a gear group 270 for transmitting the rotational force of the motor 271a to the driven gears 246a and 296a of the cylindrical cams 242 and 292.
  • the cylindrical cams 242 and 292 have cylindrical cam portions 241 and 291 and guide plates 245 and 295.
  • the valve bodies 243 and 293 have shafts 247 and 297, presser plates 248 and 298, and packings 249 and 299, respectively.
  • each component with which the shielding part 240 is provided is demonstrated.
  • the shielding unit 240 includes the two cylindrical cams 242 and 292.
  • the cylindrical cams 242 and 292 convert the rotational force transmitted from the motor 271a into a linear moving force. By transmitting to the valve bodies 243 and 293, the valve bodies 243 and 293 can be moved linearly. Further, the cylindrical cams 242 and 292 have cylindrical cam portions 241 and 291 and guide plates 245 and 295, respectively.
  • the configurations of the two cylindrical cams 242 and 292 are the same, only the configuration of the cylindrical cam 242 will be described here, and the cylindrical cam 292 is the same as that of the cylindrical cam 242. The explanation is omitted by replacing the reference numerals in the 240s attached to the components with the 290s.
  • the guide plate 245 is a substantially cylindrical member having a hole 245a formed at the center thereof.
  • One end of a shaft 247 described later is inserted through the hole 245a, and the guide plate 245 is attached to the shaft 247 by E-rings 241b and 241i.
  • the guide plate 245 is restricted from moving in the axial direction of the shaft 247, that is, up and down.
  • the guide plate 245 is provided with a protruding portion 245b that protrudes outward from the outer peripheral surface thereof.
  • the guide plate 245 is disposed inside the cylindrical cam portion 241 so that the protruding portion 245b is sandwiched between a gear-side cam surface 246d and a drive cam-side cam surface 244d described later.
  • the cylindrical cam portion 241 is configured by combining a substantially cylindrical drive cam 244 having openings at both ends and a gear 246 fitted inside the drive cam 244.
  • the gear 246 includes a disk portion 246b that is a disk-shaped plate member, and a gear side cam portion 246c that is erected from the edge of the disk portion 246b.
  • the gear side cam portion 246c has a gear side cam surface 246d at its upper end.
  • the gear-side cam surface 246d includes a horizontally extending bottom surface portion 246e and a horizontally extending upper surface portion 246h, as shown in FIG. 23B, which is a developed plan view showing the gear-side cam portion 246c expanded on a plane.
  • slope portions 246f and 246g that are inclined at a predetermined angle to connect the bottom surface portion 246e and the top surface portion 246h.
  • the slope portions 246f and 246g are composed of a first slope portion 246g formed continuously from the upper surface portion 246h and a second slope portion 246f formed continuously from the bottom surface portion 246e. Further, as shown in FIG. 23B, the second slope portion 246f has a gentler slope than the slope of the first slope portion 246g.
  • the gear side cam portion 246c has an engaged portion 246i. Further, a driven gear 246a that rotates when the rotational force from the motor 271a is transmitted is formed below the disc portion 246b. In addition, a hole 246j into which the shaft 247 can be inserted is formed in the center of the disc portion 246b and the driven gear 246a.
  • the drive cam 244 is a substantially cylindrical member having openings at both ends thereof. The drive cam 244 is outward from the edge of the first portion 244a and the first portion 244a, that is, the outer periphery.
  • a second portion 244b formed to extend in the direction, and a second portion 244b formed to extend in a direction opposite to the extending direction of the first portion 244a from the edge of the second portion 244b.
  • the second portion 244b includes a drive cam side cam surface 244d that is disposed so as to face the gear side cam surface 246d with a predetermined gap in a state where the gear 246 and the drive cam 244 are combined.
  • the predetermined interval that is, the distance between the gear side cam surface 246d and the drive cam side cam surface 244d is longer than the length of the diameter of the end surface of the protruding portion 245b of the guide plate 245.
  • the driving cam side cam surface 244d includes an upper surface portion 244h facing the upper surface portion 246h of the gear side cam surface 246d and a bottom surface portion 244e facing the bottom surface portion 246e of the gear side cam surface 246d. And slope portions 244f and 244g facing the slope portions 246f and 246g of the gear-side cam surface 246d.
  • the slope portions 244f and 244g of the drive cam side cam surface 244d are similar to the slope portions 246f and 246g of the gear side cam surface 246d and the first slope portion 244g formed continuously from the top surface portion 244h and the bottom surface, respectively.
  • the second inclined surface portion 244f is formed continuously from the portion 244e. As shown in FIG.
  • the second slope portion 244f has a gentler slope than the slope of the first slope portion 244g.
  • the second portion 244b has an engaging portion 244i that can be engaged with the engaged portion 246i of the gear-side cam portion 246c.
  • the gear-side cam surface 246d and the drive cam-side cam surface 244d are arranged to face each other with a predetermined interval.
  • FIG. 25 is a plan development view showing the cylindrical cam portions 241 and 291 developed on a plane.
  • FIG. 26 is a diagram schematically showing the relationship between the cylindrical cam portions 241 and 291 and the cam grooves 241a and 291a. As shown in FIG.
  • the cam groove 241a includes an upper groove portion 241h including the upper surface portions 244h and 246h on the wall surface, a lower groove portion 241e including the bottom surface portions 244e and 246e on the wall surface, and inclined surfaces 244f, 244g, 246f, Middle groove portions 241f and 241g including 246g are included.
  • the middle groove portions 241f and 241g include a first middle groove portion 241g including first slope portions 244g and 246g on the wall surface, and a second middle groove portion 241f including second slope portions 244f and 246f on the wall surface. For this reason, the second middle groove portion 241f has a gentler slope than the slope of the first middle groove portion 241g.
  • the cylindrical cam portion 241 can be rotated by a predetermined angle (342.6 ° in the present embodiment) in the forward direction or the reverse direction when the drive portion 271 is driven (see FIG. 26). For this reason, the protruding portion 245b of the guide plate 245 is guided in the cam groove 241a that changes according to the rotation angle of the cylindrical cam portion 241. Accordingly, the position of the protruding portion 245b in the cam groove 241a changes according to the rotation angle of the cylindrical cam portion 241.
  • the range (angle range) in which the upper groove portion 241h is formed is indicated by W1
  • the range in which the first middle groove portion 241g is formed is indicated by W2
  • the second middle groove portion is indicated by the second middle groove portion.
  • a range in which 241f is formed is indicated by W3, and a range in which the lower groove portion 241e is formed is indicated by W4 and W5.
  • the range W4 is a range in which the protruding portions 245b and 295b of the guide plates 245 and 295 are both located in the lower groove portions 241e and 291e.
  • valve body 243 includes a shaft 247, a presser plate 248, and a packing 249.
  • the holding plate 248 is a substantially truncated cone-shaped member in which a hole 248a through which the shaft 247 is inserted is formed at the center thereof. Further, as shown in FIG. 27A, a groove portion 248 b into which the end portion of the packing 249 can be fitted is formed on the upper side surface of the holding plate 248. Further, a recess 248 c is formed in the lower part of the side surface of the pressing plate 248.
  • the shaft 247 is inserted into the hole 245a of the guide plate 245, and the guide plate 245 is attached to one end thereof.
  • the guide plate 245 is attached to the shaft 247 by E-rings 241b and 241i so as to be movable by a predetermined distance in the axial direction of the shaft 247 (see FIG. 36).
  • the other end portion of the shaft 247 (corresponding to the end portion near the opening) is inserted through a hole 248 a formed in the presser plate 248.
  • the presser plate 248 is fixed to the shaft 247 by E-rings 241c and 241d.
  • the packing 249 is a bottomed cylindrical member made of an elastically deformable material made of rubber or resin, and is fitted into the presser plate 248 from the lower side of the presser plate 248. Further, the side surface portion of the packing 249 is formed so as not to coincide with the side surface portion of the pressing plate 248. For this reason, as shown in FIG. 27, in a state where the packing 249 is mounted on the holding plate 248, a space S1 in which the opening of the recessed portion 248c is covered with the packing 249 is formed inside the recessed portion 248c of the holding plate 248.
  • the drive unit 271 transmits one motor 271a as a drive source and the driven gears 246a and 296a of the cylindrical cams 242 and 292 to the rotational force of the motor 271a.
  • a gear group 270 is a stepping motor capable of forward and reverse rotation controlled by a drive instruction from the control unit 260 described later, that is, the number of pulses supplied from the control unit 260.
  • a drive gear 271b is fixed to the drive shaft of the motor 271a. As shown in FIG. 28, the drive gear 271b is arranged to mesh with the first gear 270a included in the gear group 270.
  • the first gear 270a is arranged so as to mesh with the driven gear 246a of the cylindrical cam 242.
  • FIG. 28 is a plan view of the shielding portion 240, and shows the positions when the cylindrical cams 242 and 292 are attached to the mounting plate 282, that is, the positions of the cam grooves 241a and 291a at the assembly position of the shielding portion 240.
  • FIG. 28 is a plan view of the shielding portion 240, and shows the positions when the cylindrical cams 242 and 292 are attached to the mounting plate 282, that is, the positions of the cam grooves 241a and 291a at the assembly position of the shielding portion 240.
  • the gear group 270 is arranged so as to mesh with a driven gear 246a of a cylindrical cam portion 241 (hereinafter referred to as the first cylindrical cam portion 241) arranged on the right side in FIG.
  • the second gear 270b, and a cylindrical cam portion 291 (a cylindrical cam portion arranged on the left side in FIG.
  • a third gear 270c disposed to mesh with the driven gear 296a of the portion 291) and the second gear 270b. Therefore, when the motor 271a is driven, the driving gear 271b is rotated, and the driven gear 246a of the first cylindrical cam portion 241 is rotated via the first gear 270a.
  • the driven gear 246a rotates
  • the driven gear 296a of the second cylindrical cam portion 291 rotates via the second gear 270b and the third gear 270c.
  • the two cylindrical cam portions 241 and 291 can be driven synchronously by one motor 271a.
  • the shielding part 240 includes a cover 272.
  • the cover 272 includes a plate-like upper surface portion 273 having a shape in which two circles overlap so that the outer circumferences of the two cylindrical cam portions 241 and 291 can be covered, and an upper surface And a side portion 274 erected from the end of the portion 273.
  • the cover 272 has an inner surface part 275.
  • the inner surface portion 275 is disposed inside the cover 272 so that a part thereof faces the side surface portion 274.
  • the inner surface portion 275 has a cylindrical shape having openings at both ends, and the opening at one end thereof is covered with the upper surface portion 273.
  • the inner surface portion 275 has an opening diameter larger than the diameter of the disk-shaped portion of the guide plates 245 and 295 so that the disk-shaped portion of the guide plates 245 and 295 can be accommodated therein. It is formed to become. Further, as shown in FIGS. 29 and 30, the inner surface portion 275 is formed with a slit-like cutout portion 275 a extending in the vertical direction. In the slit-shaped notch 275a, the protruding portions 245b and 295b of the guide plates 245 and 295 are accommodated in a state where the cylindrical cams 242 and 292 and the cover 272 are combined.
  • the protruding portions 245b and 295b are accommodated in the slit-shaped cutout portion 275a, it is possible to prevent the guide plates 245 and 295, the drive cams 244 and 294, and the gears 246 and 296 from rotating together. That is, the rotation of the guide plates 245 and 295 can be restricted.
  • the valve bodies 243 and 293 having the guide plates 245 and 295 and the shafts 247 and 297 to which the guide plates 245 and 295 are attached do not rotate. Move to.
  • the notch part 275a of the inner surface part 275 is formed at a position where the end surfaces of the projecting parts 245b and 295b of the two guide plates 245 and 295 are opposed to each other.
  • an opening 274 a into which the switch shaft 276 can be inserted is formed in the lower portion of the side surface portion 274 of the cover 272.
  • the switch shaft 276 pushes the lever 281 of the limit switch 280 by contacting a convex portion 294ca provided on the third portion 294c of the drive cam 294.
  • the convex portion 294ca of the drive cam 294 can push the lever 281 via the switch shaft 276 of the cover 272.
  • the two cylindrical cams 242 and 292, the two valve bodies 243 and 293, and the drive unit 271 are attached to the attachment plate 282 as shown in FIGS.
  • the cylindrical cam portions 241 and 291 included in the cylindrical cams 242 and 292 are disposed at positions that are point-symmetric with respect to the point O shown in FIG. Further, a point O in FIG. 28 is a point on the line connecting the centers of the two cylindrical cams 242, 292, that is, the distance from the center of the two cylindrical cam portions 241, 291 is equal, that is, a symmetrical center. This is the point. Therefore, the cylindrical cam portion 291 is disposed at a position where the cylindrical cam portion 241 is rotated 180 degrees around the point O shown in FIG.
  • the shielding unit 240 includes a limit switch 280.
  • the limit switch 280 is a micro switch having a lever 281 and outputs an ON signal when the lever 281 is pressed.
  • the lever 281 is always in contact with the switch shaft 276 of the cover 272, and is pushed by the switch shaft 276 facing the convex portion 294ca of the drive cam 294.
  • the limit switch 280 emits an ON signal when the lever 281 is pushed by the convex portion 294ca via the switch shaft 276 (FIGS. 33A and 35A). reference).
  • the limit switch 280 issues an OFF signal because the lever 281 is not pushed by the convex portion 294ca (see FIGS. 28 and 34A).
  • the ON signal or OFF signal output from the limit switch 280 is taken into the control unit 260 described later.
  • the driving gear 271b rotates when the motor 271a is driven, and the driven gear of the first cylindrical cam part 241 via the first gear 270a when the driving gear 271b rotates.
  • 246a rotates.
  • the driven gear 246a of the first cylindrical cam portion 241 rotates
  • the driven gear 296a of the second cylindrical cam portion 291 rotates via the second gear 270b and the third gear 270c.
  • the driven gear 296a of the second cylindrical cam portion 291 rotates.
  • the cylindrical cam portions 241 and 291 rotate.
  • the guide plates 245 and 295 can be moved to predetermined positions (the first position P1 and the second position P2 shown in FIGS. 20 and 25) in the axial direction of the shafts 247 and 297, that is, the vertical direction.
  • the shafts 247 and 297 to which the guide plates 245 and 295 are attached are straight in the vertical direction, that is, in the direction intersecting the surface of the lower casing 232. Move on. Therefore, the guide plates 245 and 295 are guided downward from the upper groove portions 241h and 291h toward the lower groove portions 241e and 291e, so that the guide plates 245 and 295 are moved downward (FIG. 25). reference). Further, by moving the guide plates 245 and 295 downward, the holding plates 248 and 298 and the packings 249 and 299 of the valve bodies 243 and 293 are moved to the third position P3b (corresponding to a predetermined second position) shown in FIG.
  • the cylindrical cam portions 241 and 291 rotate about the movement center axis of the valve bodies 243 and 293 as a rotation center.
  • the rotation center axis (corresponding to the center line) of the cylindrical cam portions 241 and 291 is on the same line as the movement center axis of the valve bodies 243 and 293.
  • the guide plates 245 and 295 are guided upward from the lower groove portions 241e and 291e toward the upper groove portions 241h and 291h, so that the guide plates 245 and 295 are moved upward (see FIG. 25). ).
  • the holding plates 248 and 298 and the packings 249 and 299 of the valve bodies 243 and 293 are also moved upward.
  • the openings 236 and 237 closed by the presser plates 248 and 298 and the packings 249 and 299 are opened.
  • the air flow path switching unit 230 drives the motor 271a to rotate the cylindrical cam portions 241 and 291 to move the valve bodies 243 and 293 in the vertical direction, thereby opening the opening 236 (hereinafter referred to as the first opening).
  • a first state in which the opening 237 (hereinafter referred to as a second opening) is closed, and a second state in which the first opening 236 is closed and the second opening 237 is open (see FIG. 31). It is possible to switch to the third state (see FIG. 32) in which the first opening 236 and the second opening 237 are closed.
  • the first state, the second state, and the third state will be described with reference to FIGS. 20, 25, 31, and 32.
  • the first projecting portion 245b that is the projecting portion of the guide plate 245 guided by the first cylindrical cam portion 241 is located in the upper groove portion 241h formed inside the first cylindrical cam portion 241.
  • the second projecting portion 295b, which is the projecting portion of the guide plate 295 guided by the second cylindrical cam portion 291 is located in the lower groove portion 291e formed inside the second cylindrical cam portion 291. It is.
  • the presser plate 248 and the packing 249 of the first valve body 243 are disposed at the third position P3b where the first opening 236 is opened, and the presser plate 298 of the second valve body 293 is disposed.
  • the packing 299 is arrange
  • FIG. Therefore, the internal space of the humidification duct 258 and the internal space of the first outdoor duct 208a communicate with each other through the first opening 236. Thereby, in the air supply state, the air that has passed through the humidification duct 258 is supplied to the first indoor unit 202a.
  • the second state is a state in which the first protrusion 245b is located in the lower groove 241e and the second protrusion 295b is located in the upper groove 291h.
  • the presser plate 248 and the packing 249 of the first valve body 243 are disposed at the fourth position P4 where the first opening 236 is blocked, and the presser plate 298 of the second valve body 293 and The packing 299 is disposed at a third position P3b that is a position where the second opening 237 is opened. Therefore, the internal space of the humidification duct 258 and the internal space of the second outdoor duct 208b communicate with each other through the second opening 237.
  • the third state is a state in which the first projecting portion 245b is located in the lower groove portion 241e and the second projecting portion 295b is located in the lower groove portion 291e.
  • the presser plate 248 and the packing 249 of the first valve body 243 are disposed at the fourth position P4 where the first opening 236 is blocked, and the presser plate 298 of the second valve body 293 and The packing 299 is disposed at a fourth position P4, which is a position where the second opening 237 is blocked.
  • the internal space of the humidifying duct 258 and the internal spaces of the outdoor ducts 208a and 208b are not in communication with each other, so that the air flow from the outdoor to the indoor is blocked. As a result, air is not supplied from the humidifying unit 205 to the indoor units 202a and 202b.
  • FIG. 33 (a), 34 (a) and 35 (a) show the positions of the cam grooves 241a and 291a and the projections 244ca and 294ca in the cylindrical cam portions 241 and 291 in the plan view of the shielding portion 240. It is the schematic which shows a position. 33 (a) and 35 (a), the cylindrical cam portion when the convex portion 294ca faces the lever 281, that is, when the signal output from the limit switch 280 switches from the OFF signal to the ON signal.
  • the rotational positions (states) of 241 and 291 are schematically shown.
  • FIG. 33 (b) shows the rotational positions of the cylindrical cam portions 241, 291, that is, the protrusions 245b, 295b located at the rotation reference position and the cam grooves 241a, 291a in the cylindrical cam portions 241, 291. It is the schematic which shows the distance from the opening 236,237 of the valve bodies 243,293 in the position shown to a), ie, the position of the valve bodies 243,293.
  • FIG. 34B is a schematic diagram showing the positions of the valve bodies 243 and 293 when the rotational positions of the cylindrical cam portions 241 and 291 are at the positions shown in FIG. FIG.
  • 35B is a schematic diagram showing the positions of the valve bodies 243 and 293 when the rotational positions of the cylindrical cam portions 241 and 291 are at the positions shown in FIG. 33 (b) indicates a detection position (corresponding to a predetermined first position) that is the position of the valve bodies 243 and 293 at the time when the signal output from the limit switch 280 switches from the OFF signal to the ON signal.
  • P3b indicates the position of the valve bodies 243 and 293 in a state where the openings 236 and 237 are completely opened (corresponding to the fully opened state), that is, the protruding portions 245b and 295b are positioned in the upper grooves 241h and 291h.
  • the third position which is the position of the valve bodies 243, 293, is indicated, and the symbol P4 indicates the fourth position, which is the position of the valve bodies 243, 293 in the state where the openings 236, 237 are closed.
  • the motor 271a is a motor that can rotate forward and backward
  • the driven gear 246a of the first cylindrical cam portion 241 rotates in the forward direction.
  • the driven gear 296a of the second cylindrical cam portion 291 rotates in the reverse direction, which is the direction opposite to the normal direction.
  • the motor 271a rotates in the reverse direction (the direction of arrow Y2 in FIG. 35)
  • the driven gear 246a of the first cylindrical cam portion 241 rotates in the reverse direction
  • the driven gear of the second cylindrical cam portion 291. 296a rotates in the forward direction, which is the opposite direction to the reverse direction.
  • the air flow path switching portion 230 when the air flow path switching portion 230 is in the third state, that is, in the lower groove portion 241e in which the first protruding portion 245b is formed inside the first cylindrical cam portion 241, the range shown in FIG. 25 and FIG.
  • the motor When 271a rotates in the forward direction, the first projecting portion 245b is guided from the lower groove portion 241e formed inside the first cylindrical cam portion 241 to the upper groove portion 241h through the middle groove portions 241f and 241g. (See FIGS. 25, 26, 33, and 34).
  • the first protrusion 245b is moved from the position of the range W4 shown in FIGS. 25 and 26 in the lower groove portion 241e through the range W3 shown in FIGS. 25 and 26 and the range W2 shown in FIGS. 25 and the position of the range W1 shown in FIG.
  • the first guide plate 245 that is the guide plate 245 having the first projecting portion 245b is moved upward, the first valve body 243 that is the valve body 243 fixed to the first guide plate 245 is also used. Moved upward. Accordingly, the first opening 236 that is closed by the presser plate 248 and the packing 249 of the first valve body 243 is opened (see FIG. 33B).
  • first cylindrical cam portion 241 and the second cylindrical cam portion 291 are disposed at positions that are point-symmetric with respect to the point O in FIG. 295b is guided in the range W5 shown in FIGS. 25 and 26 by the lower groove portion 291e formed inside the second cylindrical cam portion 291.
  • the second guide plate 295 that is the guide plate 295 having the second projecting portion 295b is not moved in the vertical direction, the second valve body 293 that is the valve body 293 fixed to the second guide plate 295 is also moved. Instead, the state where the second opening 237 is closed is maintained (see FIG. 33B).
  • the state of the air flow path switching unit 230 is switched from the third state to the first state.
  • the air flow path switching portion 230 is in the first state, that is, in the upper groove portion 241h in which the first protruding portion 245b is formed inside the first cylindrical cam portion 241, the range W1 shown in FIG. 25 and FIG.
  • the second projecting portion 295b is located in the range W5 shown in FIGS. 25 and 26 in the lower groove portion 291e formed inside the second cylindrical cam portion 291. Is rotated in the reverse direction, the first projecting portion 245b is guided from the upper groove portion 241h formed inside the first cylindrical cam portion 241 to the lower groove portion 241e through the middle groove portions 241f and 241g ( 25, FIG. 26, FIG.
  • the first protrusion 245b is moved from the position of the range W1 shown in FIGS. 25 and 26 in the upper groove portion 241h through the range W2 shown in FIGS. 25 and 26 and the range W3 shown in FIGS. 25 and the position of the range W4 shown in FIG.
  • the first guide plate 245 since the first guide plate 245 is moved downward, the first valve body 243 is also moved downward. Accordingly, the opened first opening 236 is closed by the presser plate 248 and the packing 249 of the first valve body 243 (see FIG. 34B). Further, the second projecting portion 295b is guided to the range W4 shown in FIGS. 25 and 26 in the lower groove portion 291e formed inside the second cylindrical cam portion 291.
  • the state of the air flow path switching unit 230 is switched from the first state to the third state. Further, when the air flow path switching portion 230 is in the third state, that is, in the lower groove portion 241e in which the first projecting portion 245b is formed inside the first cylindrical cam portion 241, the range W4 shown in FIGS. And the second projecting portion 295b is located in the range W4 shown in FIGS. 25 and 26 in the lower groove portion 291e formed inside the second cylindrical cam portion 291. Is rotated in the opposite direction, the first projecting portion 245b is guided in the range W5 shown in FIGS. 25 and 26 by the lower groove portion 241e formed inside the first cylindrical cam portion 241. (See FIGS. 25, 26, 34, and 35).
  • the first guide plate 245 since the first guide plate 245 is not moved in the vertical direction, the first valve body 243 does not move, and the state where the first opening 236 is closed by the presser plate 248 and the packing 249 of the first valve body 243 is maintained. (See FIG. 35B). Further, the second projecting portion 295b is guided from the lower groove portion 291e formed inside the second cylindrical cam portion 291 to the upper groove portion 291h via the middle groove portions 291f and 291g (FIGS. 25, 26, and 34). And FIG. 35). In other words. The second projecting portion 295b extends from the position of the range W4 shown in FIGS. 25 and 26 in the lower groove portion 291e, through the range W3 shown in FIGS.
  • the state of the air flow path switching unit 230 is switched from the third state to the second state. Further, when the air flow path switching unit 230 is in the second state, that is, the first projecting portion 245b is located in the range W5 where the lower groove portion 241e is formed in the first cylindrical cam portion 241, and the first When the motor 271a rotates in the forward direction in a state where the second projecting portion 295b is located in the range W1 where the upper groove portion 291h is formed in the second cylindrical cam portion 291, the first projecting portion 245b The lower groove portion 241e formed inside the one cylindrical cam portion 241 is guided to the range W4 shown in FIGS.
  • the first guide plate 245 since the first guide plate 245 is not moved in the vertical direction, the first valve body 243 does not move, and the first opening 236 is kept closed by the presser plate 248 and the packing 249 of the first valve body 243. Is done.
  • the second projecting portion 295b is guided from the upper groove portion 291h formed inside the second cylindrical cam portion 291 to the lower groove portion 291e through the middle groove portions 291f and 291g (FIGS. 25, 26, and 34). And FIG. 35). In other words, the second protruding portion 295b is moved from the position of the range W1 shown in FIGS. 25 and 26 in the upper groove portion 291h through the range W2 shown in FIGS. 25 and 26 and the range W3 shown in FIGS.
  • the state of the air flow path switching unit 230 is switched from the second state to the third state.
  • the state of the air flow path switching unit 230 is switched from the first state to the third state and the motor 271a is further rotated in the reverse direction
  • the first projecting portion 245b is moved to the first cylindrical cam portion 241.
  • the lower groove portion 241e formed on the inner side is guided to the range W5 shown in FIG. 25 and FIG.
  • the first valve body 243 since the first guide plate 245 is not moved in the vertical direction, the first valve body 243 also does not move, and the state where the first opening 236 is closed by the presser plate 248 and the packing 249 of the first valve body 243 is maintained. Is done.
  • the second projecting portion 295b is guided from the lower groove portion 291e formed inside the second cylindrical cam portion 291 to the upper groove portion 291h via the middle groove portions 291f and 291g (FIGS. 25, 26, and 33). , FIG. 34 and FIG. 35).
  • the second guide plate 295 is moved upward, the second valve body 293 is also moved upward. Accordingly, the second opening 237 that is closed by the presser plate 298 and the packing 299 of the second valve body 293 is opened.
  • the state of the air flow path switching unit 230 is switched from the first state to the second state. Further, when the state of the air flow path switching unit 230 is switched from the second state to the third state and the motor 271a is further rotated in the forward direction, the first projecting portion 245b is moved to the first cylindrical cam. The lower groove portion 241e formed inside the portion 241 is guided to the upper groove portion 241h through the middle groove portions 241f and 241g (see FIGS. 25, 26, 33, 34, and 35). At this time, since the first guide plate 245 is moved upward, the first valve body 243 is also moved upward. Accordingly, the first opening 236 that is closed by the presser plate 248 and the packing 249 of the first valve body 243 is opened.
  • the second projecting portion 295b is guided to the range W5 shown in FIGS. 25 and 26 in the lower groove portion 291e formed inside the second cylindrical cam portion 291. For this reason, the second opening 237 is maintained in a state where it is closed by the presser plate 298 and the packing 299 of the second valve body 293.
  • the state of the air flow path switching unit 230 is switched from the second state to the first state.
  • the shafts 247 and 297 pass through the guide plates 245 and 295, and the vertical movement of the guide plates 245 and 295, as shown in FIG. It is regulated by the E-rings 241b, 241i, 291b, 291i arranged at the position P6.
  • the guide plates 245 and 295 can move in a vertical direction within a range W6 shown in FIG.
  • the shielding part 240 has spring members 247a and 297a that can be elastically changed, and spring receivers 247b and 297b.
  • the spring members 247a and 297a and the spring receivers 247b and 297b are disposed between the guide plates 245 and 295 and the E rings 241b and 291b.
  • the spring receivers 247b and 297b are fixed by E-rings 241b and 291b, and the vertical movement of the spring members 247a and 297a is restricted by the guide plates 245 and 295 and the spring receivers 247b and 297b.
  • the spring members 247a and 297a are compressed by the guide plates 245 and 295 and the spring receivers 247b and 297b, thereby pressing the spring receivers 247b and 297b downward. Therefore, the spring members 247a and 297a can be urged so that the valve bodies 243 and 293 close the openings 236 and 237.
  • the guide plates 245 and 295 are moved upward by the protrusions 245b and 295b of the guide plates 245 and 295 being guided from the lower grooves 241e and 291e to the upper grooves 241h and 291h, the second middle In the groove portions 241f and 291f, the guide plates 245 and 295 are pressed upward by the reaction force of the spring members 247a and 297a. Therefore, the spring members 247a and 297a can be urged so that the valve bodies 243 and 293 open the openings 236 and 237.
  • the second middle groove portions 241f and 291f are inclined more gently than the first middle groove portions 241g and 291g, so that the second middle groove portions 241f and 291f have the same inclination as the first middle groove portions 241g and 291g.
  • the driving torque of the motor 271a for compressing the spring members 247a and 297a can be reduced.
  • control unit 260 for driving the drive unit 271 will be described.
  • control unit 260 is connected to various devices such as the indoor units 202a and 202b, the outdoor air conditioning unit 204, and the humidifying unit 205, and is based on a command from the user via the remote controller 290.
  • the operation control of various devices is performed according to each operation mode such as heating operation, dehumidifying operation, humidifying operation, air supply operation, and exhaust operation.
  • the control unit 260 includes a shielding mechanism control unit 261.
  • the shielding mechanism control unit 261 switches the state of the air flow path switching unit 230 based on a control instruction from the control unit 260.
  • the shielding mechanism control unit 261 includes a storage unit 262, a motor drive control unit 264, a determination unit 265, and a detection unit 263.
  • the storage unit 262 stores the switched state of the air flow path switching unit 230 as the current state of the air flow path switching unit 230. In addition, when the current state of the air flow path switching unit 230 is stored, the storage unit 262 deletes the previously stored information about the state of the air flow path switching unit 230.
  • the case where the state of the air flow path switching unit 230 is switched refers to the case where the shielding mechanism control unit 261 determines that the state of the air flow path switching unit 230 has been switched. For this reason, the current state of the air flow path switching unit 230 stored in the storage unit 262 is the same as the state of the air flow path switching unit 230 determined by the shielding mechanism control unit 261.
  • the motor drive control unit 264 controls the amount and direction of rotation of the motor 271a. Specifically, the motor drive control unit 264 supplies a predetermined number of pulses to the motor 271a so that the motor 271a rotates by a predetermined amount. Further, the motor drive control unit 264 supplies a rotation direction control signal for controlling the rotation direction of the motor 271a to the motor 271a so that the motor 271a rotates in the forward direction or the reverse direction. For this reason, the motor 271a rotates by a predetermined amount in the forward direction or the reverse direction according to the rotation direction control signal and the number of pulses supplied from the motor drive control unit 264. Therefore, by controlling the rotation direction and rotation amount of the motor 271a, the driven gears 246a and 296a of the cylindrical cam portions 241 and 291 can be rotated by a predetermined amount in a predetermined direction. It can be moved up and down.
  • the number of pulses and the rotation direction control signal supplied to the motor 271a by the motor drive control unit 264 are determined based on a signal output from the determination unit 265 or the detection unit 263.
  • the motor drive control unit 264 gives priority to the signal from the detection unit 263 over the signal from the determination unit 265.
  • the determination unit 265 determines the rotation direction and the number of pulses of the motor 271a supplied to the motor 271a by the motor drive control unit 264.
  • a signal relating to the determined rotation direction and the number of pulses is output to the motor drive control unit 264.
  • the determination unit 265 stores the state of the air flow path switching unit 230 in the third state and stores the current state of the air flow path switching unit 230 in the storage unit 262 as the first state.
  • the rotation direction control signal is “reverse direction” and the number of pulses supplied to the motor drive control unit 264 is a predetermined first pulse number (eg, 3000 pl). And a signal relating to the number of pulses.
  • the determination unit 265 stores the state of the air flow path switching unit 230 in the third state and the storage unit 262 stores the current state of the air flow path switching unit 230 as the second state.
  • a signal related to the rotation direction and the number of pulses is output to the motor drive control unit 264 so that the rotation direction control signal is “positive direction” and the number of supplied pulses is equal to the predetermined first pulse number.
  • the determination unit 265 stores the state of the air flow path switching unit 230 in the third state and the storage unit 262 stores the current state of the air flow path switching unit 230 as the third state. In this case, no signal is output to the motor drive control unit 264.
  • the motor 271a rotates the cylindrical cam portions 241 and 291 about 155 degrees when the number of pulses supplied from the motor drive control unit 264 is a predetermined first pulse number. For this reason, when the state of the air flow path switching unit 230 is the first state, if the motor 271a rotates in the reverse direction by a predetermined first number of pulses, the first cylindrical cam portion 241 rotates in the reverse direction. Thus, the one projecting portion 245b is guided in the range W4 from the upper groove portion 241h formed inside the first cylindrical cam portion 241 to the lower groove portion 241e.
  • the state of the air flow path switching unit 230 becomes the third state. That is, the state of the air flow path switching unit 230 is switched from the first state to the third state.
  • the state of the air flow path switching unit 230 is the second state
  • the motor 271a rotates in the forward direction by a predetermined first number of pulses
  • the first cylindrical cam portion 241 rotates in the forward direction.
  • the one projecting portion 245b is guided from the range W5 to the range W4 of the lower groove portion 241e formed inside the first cylindrical cam portion 241.
  • the second cylindrical cam portion 291 rotates in the reverse direction, and the second projecting portion 295b is formed inside the second cylindrical cam portion 291. Guided within a range W4 from the upper groove portion 291h to the lower groove portion 291e.
  • the first valve body 243 does not move and continues to be positioned at the fourth position P4, and the second valve body 293 moves from the third position P3b to the fourth position P4.
  • the state of the air flow path switching unit 230 becomes the third state. That is, the state of the air flow path switching unit 230 is switched from the second state to the third state.
  • the determination unit 265 stores the state of the air flow path switching unit 230 in the first state and the storage unit 262 stores the current state of the air flow path switching unit 230 as the second state.
  • the rotation direction and the number of pulses so that the rotation direction control signal is “positive direction” and the number of pulses supplied to the motor drive control unit 264 is a predetermined second number of pulses (for example, 6000 pl).
  • the signal for is output.
  • the determination unit 265 stores the state of the air flow path switching unit 230 in the first state and the storage unit 262 stores the current state of the air flow path switching unit 230 as the third state.
  • a signal related to the rotation direction and the number of pulses is output to the motor drive control unit 264 so that the rotation direction control signal is “positive direction” and the number of supplied pulses is equal to the predetermined first pulse number.
  • the determination unit 265 stores the state of the air flow path switching unit 230 in the first state and the storage unit 262 stores that the current state of the air flow path switching unit 230 is the first state. In this case, no signal is output to the motor drive control unit 264.
  • the motor 271a rotates the cylindrical cam portions 241 and 291 about 310 degrees when the number of pulses supplied from the motor drive control unit 264 is a predetermined second number of pulses. For this reason, when the state of the air flow path switching unit 230 is the second state, the motor 271a rotates in the forward direction by a predetermined second number of pulses, thereby rotating the second cylindrical cam portion 291 in the reverse direction. An ON signal can be output from the limit switch 280. Further, as described above, when the number of pulses supplied from the motor drive control unit 264 is the predetermined first pulse number, the motor 271a rotates the cylindrical cam portions 241 and 291 by about 155 degrees.
  • the motor 271a rotates in the forward direction by a predetermined first number of pulses, thereby rotating the second cylindrical cam portion 291 in the reverse direction.
  • An ON signal can be output from the limit switch 280.
  • the determination unit 265 stores the state of the air flow path switching unit 230 in the second state and the storage unit 262 stores the current state of the air flow path switching unit 230 as the first state.
  • a signal related to the rotation direction and the number of pulses is output to the motor drive control unit 264 so that the rotation direction control signal is “reverse direction” and the supplied number of pulses is equal to the predetermined second number of pulses.
  • the determination unit 265 stores the state of the air flow path switching unit 230 in the second state and the storage unit 262 stores the current state of the air flow path switching unit 230 as the third state.
  • a signal related to the rotation direction and the number of pulses is output to the motor drive control unit 264 so that the rotation direction control signal is “reverse direction” and the supplied number of pulses is equal to the predetermined first pulse number.
  • the determination unit 265 stores the state of the air flow path switching unit 230 in the second state and the storage unit 262 stores the current state of the air flow path switching unit 230 as the second state. In this case, no signal is output to the motor drive control unit 264.
  • the motor 271a rotates the cylindrical cam units 241 and 291 by about 310 degrees. For this reason, when the state of the air flow path switching unit 230 is the first state, the motor 271a rotates in the reverse direction by a predetermined second number of pulses to rotate the second cylindrical cam portion 291 in the forward direction. An ON signal can be output from the limit switch 280. Further, as described above, when the number of pulses supplied from the motor drive control unit 264 is the predetermined first pulse number, the motor 271a rotates the cylindrical cam portions 241 and 291 by about 155 degrees.
  • the motor 271a rotates in the reverse direction by a predetermined first number of pulses, thereby rotating the second cylindrical cam unit 291 in the forward direction.
  • An ON signal can be output from the limit switch 280.
  • the detection unit 263 detects that the first valve body 243 or the second valve body 293 is at the detection position P3a based on a signal output from the limit switch 280. That is, the detection unit 263 can detect whether or not the openings 236 and 237 are opened. Specifically, the detection unit 263 indicates that the first valve body 243 or the second valve body 293 is at the detection position P3a when the signal output from the limit switch 280 is switched from the OFF signal to the ON signal. That is, it is detected that the openings 236 and 237 are opened.
  • the detection unit 263 controls the motor drive control unit 264.
  • the rotation direction control signal is the current rotation direction, and a signal relating to the rotation direction and the pulse number is output so that the supplied pulse number becomes a predetermined third pulse number (for example, 500 pl) (see FIG. 38). .
  • the detection position P3a is when the projecting portions 245b and 295b are located in the first middle groove portions 241g and 291g formed inside the cylindrical cam portions 241 and 291. This is the position of the valve bodies 243 and 293 when the protrusions 245b and 295b are located within the range W2.
  • the motor drive control unit 264 prioritizes the signal output from the detection unit 263 over the signal output from the determination unit 265.
  • the motor 271a when the motor 271a outputs a signal regarding the number of pulses from the detection unit 263 even if the motor 271a does not rotate by the number of pulses determined by the determination unit 265, the motor 271a The number of pulses is supplied to the motor 271a so as to rotate by the number of third pulses. For this reason, when the signal output from the limit switch 280 is switched from the OFF signal to the ON signal, the motor 271a rotates by the predetermined third number of pulses supplied from the time when the signal is switched and stops. . Accordingly, the cylindrical cam portions 241 and 291 are further rotated by the predetermined number of third pulses by the motor 271a from the rotation position at the time when the signal output from the limit switch 280 is switched from the OFF signal to the ON signal. Stop.
  • the motor 271a rotates the cylindrical cam portions 241 and 291 about 20 degrees when the number of pulses supplied from the motor drive control unit 264 is a predetermined third number of pulses. Therefore, when the detection unit 263 detects that the first valve body 243 or the second valve body 293 is at the detection position P3a when the motor 271a rotates in the forward direction, that is, the first opening 236 or When it is detected that the second opening 237 is opened, the motor 271a further rotates in the forward direction by a predetermined third number of pulses, whereby the first cylindrical cam portion 241 further rotates in the forward direction, and 1
  • the protruding portion 245b is guided by an upper groove portion 241h formed inside the first cylindrical cam portion 241.
  • the second cylindrical cam portion 291 further rotates in the reverse direction, and the second projecting portion 295b is formed inside the second cylindrical cam portion 291.
  • the lower groove portion 291e is moved. Accordingly, the first valve body 243 moves to the third position P3b. Thereby, the state of the air flow path switching unit 230 becomes the first state.
  • the second valve body 293 is located at the fourth position P4.
  • the detection unit 263 detects that the first valve body 243 or the second valve body 293 is at the detection position P3a when the motor 271a rotates in the reverse direction, that is, the first opening 236 or the first When it is detected that the two openings 237 are opened, the motor 271a further rotates in the reverse direction by a predetermined third number of pulses, so that the first cylindrical cam portion 241 further rotates in the reverse direction, and the first The protruding portion 245b moves in the lower groove portion 241e formed inside the first cylindrical cam portion 241. Further, when the first cylindrical cam portion 241 further rotates in the reverse direction, the second cylindrical cam portion 291 further rotates in the forward direction, and the second projecting portion 295b is formed inside the second cylindrical cam portion 291.
  • the upper groove 291h is guided. Accordingly, the second valve body 293 moves to the third position P3b. Thereby, the state of the air flow path switching unit 230 becomes the second state. At this time, the first valve body 243 is located at the fourth position P4.
  • the shielding mechanism control unit 261 determines whether the state of the air flow path switching unit 230 is the first state or the second state based on the rotation direction of the motor 271a and the detection result of the detection unit 263. Determine whether or not. Specifically, in the shielding mechanism control unit 261, the signal related to the rotation direction output from the detection unit 263 is “positive direction”, that is, the signal related to the rotation direction output from the determination unit 265 is “positive direction”. When the detection unit 263 detects that the openings 236 and 237 are opened, it is estimated that the first opening 236 is opened. Then, when it is estimated that the first opening 236 is opened, the shielding mechanism control unit 261 determines that the state of the air flow path switching unit 230 has been switched to the first state.
  • the shielding mechanism control unit 261 determines that the state of the air flow path switching unit 230 is the first state. Further, the shielding mechanism control unit 261 has a signal related to the rotation direction output from the detection unit 263 as “reverse direction”, that is, a signal related to the rotation direction output from the determination unit 265 is “reverse direction”, and When the detection unit 263 detects that the openings 236 and 237 are opened, it is estimated that the second opening 237 is opened. Then, when it is estimated that the second opening 237 is opened, the shielding mechanism control unit 261 determines that the state of the air flow path switching unit 230 has been switched to the second state. Then, the shielding mechanism control unit 261 determines that the state of the air flow path switching unit 230 is the second state.
  • the signal related to the rotation direction output from the determination unit 265 is “positive direction”, and the signal related to the number of pulses output from the determination unit 265 is a predetermined first pulse number,
  • the signal output from the limit switch 280 is switched from the ON signal to the OFF signal, it is estimated that the first opening 236 and the second opening 237 are closed.
  • the shielding mechanism control unit 261 estimates that the first opening 236 and the second opening 237 are closed under the above-described conditions, the state of the air flow path switching unit 230 is switched from the second state to the third state. Judge that Then, the shielding mechanism control unit 261 determines that the state of the air flow path switching unit 230 is the third state.
  • the signal related to the rotation direction output from the determination unit 265 is “reverse direction”, and the signal related to the number of pulses output from the determination unit 265 is a predetermined first pulse number,
  • the signal output from the limit switch 280 is switched from the ON signal to the OFF signal, it is estimated that the first opening 236 and the second opening 237 are closed.
  • the shielding mechanism control unit 261 estimates that the first opening 236 and the second opening 237 are closed under the above-described conditions, the state of the air flow path switching unit 230 is switched from the first state to the third state. to decide. Then, the shielding mechanism control unit 261 determines that the state of the air flow path switching unit 230 is the third state.
  • the motor drive control unit 264 does not supply the rotation direction and the number of pulses to the motor 271a.
  • the shielding mechanism control unit 261 determines that it is not necessary to switch the state of the air flow path switching unit 230.
  • the storage unit 262 displays the currently stored state of the air flow path switching unit 230 as the current air. This is stored as the state of the flow path switching unit 230.
  • the control unit 260 controls the first indoor unit 202a. To determine whether or not humidified air is being supplied into the first room 201a. When the controller 260 determines that the humidified air is not supplied from the first indoor unit 202a into the first room 201a, the controller 260 includes the humidifying unit 205 so that the humidified air is generated from the outdoor air. Control various devices. In addition, the control unit 260 outputs a control instruction to the shielding mechanism control unit 261 so that the state of the air flow path switching unit 230 becomes the second state.
  • the shielding mechanism control unit 261 starts control for switching the state of the air flow path switching unit 230 to the second state based on a control instruction from the control unit 260. Specifically, the shielding mechanism control unit 261 determines the number of pulses and the rotation direction based on the current state of the air flow path switching unit 230 stored in the storage unit 262, and determines the determined rotation direction and number of pulses. Supply to the motor 271a. Then, the motor 271a rotates by the number of pulses supplied in the rotation direction supplied from the motor drive control unit 264, whereby the state of the air flow path switching unit 230 is switched to the second state.
  • the control unit 260 switches the intake / exhaust switching damper 253 to the air supply state and rotationally drives the intake / exhaust fan 254. Accordingly, humidified air is supplied from the humidifying unit 205 into the second chamber 201b.
  • control unit 260 determines that the humidified air is being supplied from the first indoor unit 202a into the first room 201a
  • the control unit 260 determines that the state of the air flow path switching unit 230 is the second state.
  • a control instruction is not output to the shielding mechanism control unit 261 so as to be in a state.
  • humidified air is not supplied from the humidifying unit 205 into the second chamber 201b.
  • a notification that the humidifying operation is being performed in the first indoor unit 202a may be notified from the notification unit of the second indoor unit 202b.
  • the spring members 247a and 297a are compressed by the guide plates 245 and 295 and the spring receivers 247b and 297b, thereby pressing the spring receivers 247b and 297b downward. Therefore, the spring members 247a and 297a can bias the valve bodies 243 and 293 so that the openings 236 and 237 are closed.
  • the air flow path switching unit 230 it is possible to reduce the risk of air leaking from the gaps between the valve bodies 243 and 293 and the openings 236 and 237. Further, since the possibility that the air in the humidification duct 258 leaks into the outdoor ducts 208a and 208b can be reduced, the possibility that condensation occurs in the outdoor ducts 208a and 208b after the humidification operation is stopped in the air conditioner 201 is reduced. be able to. For this reason, when the humidification operation is started again after the humidification operation is stopped, it is possible to reduce a possibility that abnormal noise is generated by the dew condensation water in the outdoor ducts 208a and 208b.
  • the spring members 247a and 297a urge the valve bodies 243 and 293 to reduce the possibility that the openings 236 and 237 are not blocked even when the mounting dimensions between the parts in the vertical direction vary. it can.
  • humidified air is contained in the air which flows through the switching part casing 233 inside. For this reason, in this air conditioner 201, the air flow switching unit 230 can block the circulation of the humidified air.
  • the switching unit casing 233 is a part of the humidification duct 258 through which the air flowing from the outside to the inside of the rooms 201a and 201b or from the inside of the rooms 201a and 201b passes. For this reason, the air flowing through the switching unit casing 233 can be conveyed from the outside into the rooms 201a and 201b or from the inside of the rooms 201a and 201b to the outside by the intake / exhaust fan 54. Therefore, in this air conditioner 201, the air flow switching unit 230 can block the flow of air conveyed from the outside into the rooms 201a and 201b.
  • the packings 249 and 299 are elastically deformable materials made of rubber or resin, and are fitted to the presser plates 248 and 298 from below the presser plates 248 and 298. Further, in the state where the packings 249 and 299 are mounted on the holding plates 248 and 298, the openings of the recessed portions 248c and 298c are covered with the packings 249 and 299 inside the recessed portions 248c and 298c of the holding plates 248 and 298. S1 is formed.
  • the holding plates 248 and 298 of the valve bodies 243 and 293 and the packings 249 and 299 are further moved downward, so that the packing 249 , 299 bends inward.
  • the volume of the space S1 formed between the presser plates 248, 298 and the packings 249, 299 is reduced. Therefore, the packings 249 and 299 can bias the valve bodies 243 and 293 so that the openings 236 and 237 are closed by the own weight and the spring pressure by the spring members 247a and 297a. Therefore, a possibility that a gap may be generated between the valve bodies 243 and 293 and the openings 236 and 237 can be reduced.
  • valve bodies 243 and 293 are linearly moved in the vertical direction by the cylindrical cams 242 and 292. Further, the spring members 247a and 297a and the packings 249 and 299 are elastically deformed by the cylindrical cams 242 and 292. Therefore, in the air conditioner 201, the valve bodies 243 and 293 can be moved by the cylindrical cams 242 and 292 so that the openings 236 and 237 are shielded or opened.
  • the spring members 247a and 297a are most compressed.
  • the spring members 247a and 297a are compressed by the guide plates 245 and 295 and the spring receivers 247b and 297b, thereby pressing the spring receivers 247b and 297b downward. Therefore, the spring members 247a and 297a allow the valve bodies 243 and 293 to be closed so that the openings 236 and 237 are closed when the protruding portions 245b and 295b of the guide plates 245 and 295 are guided by the lower grooves 241e and 291e. Can be energized.
  • the second opening 237 is closed when the first opening 236 is opened, and the first opening 236 is closed when the second opening 237 is opened.
  • the first opening 236 is closed when the second opening 237 is opened.
  • the shielding of the closed side opening is incomplete, air passes through the open side opening.
  • air may leak into the opening on the closed side.
  • the flow velocity of the air that has passed through the opening on the closed side is slower than the flow velocity of the air that has passed through the opening on the opened side. For this reason, there exists a possibility that dew condensation may occur in the outdoor duct connected to the humidification duct through the opening on the closed side.
  • the openings 236 and 237 are urged by the spring members 247a and 297a and the packings 249 and 299.
  • biasing members such as a spring member or packing
  • a possibility that a clearance gap may arise between valve body 243,293 and opening 236,237 can be reduced. Therefore, the risk of air leaking from the closed side opening to the outdoor duct can be reduced, so that the possibility of condensation in the outdoor duct can be reduced.
  • the shafts 247 and 297 move linearly in the vertical direction, that is, in the direction intersecting the surface of the lower casing 232. Further, as the shafts 247 and 297 move, the pressing plates 248 and 298 and the packings 249 and 299 move linearly in a direction intersecting the surface of the lower casing 232. That is, the valve bodies 243 and 293 linearly move in a direction intersecting the surface of the lower casing 232, so that the openings 236 and 237 are closed. Therefore, for example, the lower casing 232 and the valve body when the openings 236 and 237 are closed by the valve bodies 243 and 293 as compared with an air flow path switching unit that closes the opening by sliding the valve body. It is possible to reduce the possibility that a gap will be formed between 243 and 293. Therefore, the possibility that air leaks from the gap between the lower casing 232 and the valve bodies 243 and 293 can be reduced.
  • the cylindrical cams 242 and 292 linearly move the valve bodies 243 and 293 by converting the rotational force transmitted from the motor 271a into the linear movement force and transmitting it to the valve bodies 243 and 293. For this reason, the valve bodies 243 and 293 can be linearly moved by the cylindrical cams 242 and 292.
  • cam grooves 241a and 291a for guiding the protruding portions 245b and 295b of the guide plates 245 and 295 are formed inside the cylindrical cam portions 241 and 291, respectively.
  • the cam grooves 241a and 291a include middle groove portions 241f, 241g, 291f, and 291g formed to have a predetermined inclination. For this reason, when guiding the protruding portions 245b and 295b of the guide plates 245 and 295 from the upper groove portions 241h and 291h to the lower groove portions 241e and 291e, or from the lower groove portions 241e and 291e to the upper groove portions 241h and 291h, it is smoothly performed. Can be moved.
  • the valve bodies 243 and 293 can be smoothly moved in the vertical direction.
  • the second middle groove portions 241f and 291f have a gentler slope than the first middle groove portions 241g and 291g.
  • the driving torque of the motor 271a for compressing the spring members 247a and 297a can be reduced as compared with the case where the second middle groove portion has the same inclination as the first middle groove portion.
  • the shielding unit 240 includes a driving unit 271 having one motor 271a, two cylindrical cams 242 and 292 that are rotationally driven by the driving unit 271, and two valve bodies 243 and 293. Yes.
  • the valve bodies 243 and 293 can open and close the openings 236 and 237 by moving in the vertical direction. For this reason, the air flow path switching unit 230 can block the two openings 236 and 237.
  • the flow of air flowing through the air flow path (humidification duct 258, first outdoor duct 208a, and first indoor duct 209a) formed between the humidification unit 205 and the first indoor unit 202a, and the humidification unit 205 And air flow (humidification duct 258, second outdoor duct 208b, and second indoor duct 209b) formed between the second indoor unit 202b and the second indoor unit 202b can be blocked.
  • the two cylindrical cam portions 241 and 291 are driven in synchronization by one motor 271a. Further, the guide plates 245 and 295 can be moved by rotating the cylindrical cam portions 241 and 291.
  • the guide plates 245 and 295 are moved, so that the press plates 248 and 298 and the packings 249 and 299 of the valve bodies 243 and 293 are moved.
  • the holding plates 248 and 298 and the packings 249 and 299 are moved, so that the openings 236 and 237 are closed. Therefore, the openings 236 and 237 can be closed by one motor 271a. Therefore, air flow formed between the humidification unit 205 and the first indoor unit 202a by one motor 271a, that is, the flow of air flowing through the humidification duct 258, the first outdoor duct 208a, and the first indoor duct 209a. And the air flow path formed between the humidification unit 205 and the second indoor unit 202b, that is, the circulation of air flowing through the humidification duct 258, the second outdoor duct 208b, and the second indoor duct 209b. it can.
  • the motor 271a is a stepping motor that can rotate forward and backward.
  • the cylindrical cam portions 241 and 291 can be rotated in the forward direction or the reverse direction by the motor 271a rotating in the forward direction or the reverse direction.
  • the valve bodies 243 and 293 can be moved by the cylindrical cam portions 241 and 291 rotating in the forward direction or the reverse direction. For this reason, the valve bodies 243 and 293 can be moved by the motor 271a rotating in the forward direction or the reverse direction.
  • the state of the air flow path switching unit 230 is switched by the motor drive control unit 264 controlling the rotation amount and rotation direction of the motor 271a. Further, the state of the air flow path switching unit 230 includes a first state in which the internal space of the humidification duct 258 and the internal space of the first outdoor duct 208a communicate with each other via the first opening 236, and the humidification duct 258. The second state in which the internal space communicates with the internal space of the second outdoor duct 208b through the second opening 237 and the communication between the internal space of the humidifying duct 258 and the internal spaces of the outdoor ducts 208a and 208b are shielded. The third state is included.
  • the shielding unit 240 includes the limit switch 280 that emits an ON signal when the switch shaft 276 faces the convex portion 294ca and emits an OFF signal when the switch shaft 276 does not face the convex portion 294ca. ing. Further, the detection unit 263 detects whether or not the openings 236 and 237 are opened based on a signal output from the limit switch 280. For this reason, it can be detected whether the 1st opening 236 or the 2nd opening 237 was open
  • the rotational positions of the cylindrical cam portions 241 and 291 are the positions shown in FIG. 34A, that is, the lower groove portion 241 e in which the first protruding portion 245 b is formed inside the first cylindrical cam portion 241. 25 and the range W4 shown in FIG. 26, and the second projecting portion 295b is located in the range W4 shown in FIGS. 25 and 26 in the lower groove portion 291e formed inside the second cylindrical cam portion 291.
  • the first opening 236 and the second opening 237 are closed by the valve bodies 243 and 293.
  • the protrusions 245b and 295b are located in the range W4 in the lower groove portions 241e and 291e.
  • the first opening 236 and the second opening 237 can be closed.
  • the motor 271a rotates in the reverse direction by a predetermined amount, whereby the first valve body 243 closes the first opening 236, and the motor 271a rotates in the forward direction by a predetermined amount.
  • the first opening 236 is opened.
  • the second opening 237 is opened when the motor 271a rotates in a reverse direction by a predetermined amount, and the second valve body 293 causes the second opening 237 to be opened by rotating the motor 271a by a predetermined amount in the forward direction. Closed state.
  • the openings 236 and 237 are closed or opened.
  • the first opening 236 is closed by the first valve body 243
  • the first opening 236 is opened and the first opening 236 is opened by rotating the motor 271a by a predetermined amount in the first direction (forward direction).
  • the first opening 236 is closed by the first valve body 243 by rotating the motor 271a by a predetermined amount in the second direction (reverse direction).
  • the second opening 237 is closed by the second valve body 293
  • the second opening 237 is opened and the second opening 237 is opened by rotating the motor 271a by a predetermined amount in the second direction (reverse direction).
  • the second opening 237 is closed by the second valve body 293 by rotating the motor 271a by a predetermined amount in the first direction (forward direction). For this reason, the state of the air flow path switching unit 230 can be switched by controlling the rotation direction and the rotation amount of the motor 271a.
  • the cylindrical cam portions 241 and 291 are rotated about 155 degrees by the motor 271a rotating by a predetermined first number of pulses. Therefore, when the state of the air flow path switching unit 230 is the first state and the motor 271a rotates in the reverse direction by a predetermined first number of pulses, the first cylindrical cam portion 241 rotates in the reverse direction and 2 The cylindrical cam portion 291 rotates in the forward direction, and the protruding portions 245b and 295b of the guide plates 245 and 295 move in the vertical direction along the cam grooves 241a and 291a, so that the position of the first valve body 243 is changed.
  • the state of the air flow path switching unit 230 is the second state
  • the motor 271a rotates in the forward direction by a predetermined first number of pulses
  • the first cylindrical cam portion 241 rotates in the forward direction
  • the cylindrical cam portion 291 rotates in the opposite direction
  • the protrusions 245b and 295b of the guide plates 245 and 295 move in the vertical direction along the cam grooves 241a and 291a, so that the position of the first valve body 243 is
  • the second valve body 293 moves from the third position P3b to the fourth position P4 without moving and continuing to be positioned at the fourth position P4.
  • the state where the first opening 236 and the second opening 237 are closed that is, the state of the air flow path switching unit 230 becomes the third state.
  • the projecting portions 245b and 295b are located in the range W4 of the lower groove portions 241e and 291e, the first valve body 243 and the second valve body 293 can be disposed at the fourth position P4. Therefore, the possibility that the first opening 236 and the second opening 237 are not blocked can be reduced.
  • outdoor air can be supplied into the two rooms 201a and 201b from the outside by operating the humidification unit 205.
  • outdoor air may be supplied to three or more rooms, that is, a plurality of rooms.
  • outdoor air is supplied from outside to three rooms by installing one indoor unit in one room. Supply is possible.
  • Each indoor unit is connected with an indoor duct and an outdoor duct with respect to each indoor unit.
  • each outdoor duct and the humidifying duct are formed in the lower casing of the air flow path switching unit, and each outdoor duct is connected to the humidifying duct via each opening.
  • the shielding part of the air flow path switching part includes, in addition to the driving part, three cylindrical cams and three valve bodies for opening and closing each opening.
  • an air flow path switching unit including an air flow path switching mechanism capable of shielding a plurality of openings with a plurality of valve bodies
  • humid air is supplied from one outdoor unit to a plurality of indoor units. Can be supplied. Thereby, the inside of a plurality of rooms can be humidified by one outdoor unit.
  • the motor drive control unit 264 supplies the predetermined first pulse number to the motor 271a so that the valve body moves from the third position P3b to the fourth position P4. Instead, a predetermined number of pulses may be supplied to the motor so that the valve body moves from the detection position P3a to the fourth position P4.
  • the openings 236 and 237 are opened and closed by the valve bodies 243 and 293.
  • a lid member attached in the vicinity of the opening may be opened and closed by a link rod.
  • One opening may be opened and closed by a shielding part having a structure of a ball valve type three-way valve (for example, a three-way valve for water).
  • the air flow path switching unit 230 is disposed in the humidification unit 205, but the present invention is not limited to this, and the air flow path switching unit may be disposed outside the humidification unit.
  • the present invention can realize air supply into a plurality of rooms by one air supply unit, it is effective to apply to an air conditioner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Air Humidification (AREA)

Abstract

L'invention porte sur un climatiseur capable de distribuer de l'air dans de multiples salles par une unique unité de distribution d'air. Le climatiseur (1) comporte une première unité intérieure (2a), une seconde unité intérieure (2b), et une unité d'humidification (4). La première unité intérieure (2a) est montée dans une première salle (1a). La seconde unité intérieure (2b) est montée dans une seconde salle (1b). L'unité d'humidification (4) comporte un premier tuyau d'aspiration et de décharge d'air (6a), un second tuyau d'aspiration et de décharge d'air (6b), et un corps d'unité d'humidification (6). Le premier tuyau d'aspiration et de décharge d'air (6a) est relié à la première unité intérieure (2a). Le second tuyau d'aspiration et de décharge d'air (6b) est relié à la seconde unité intérieure (2b). Le corps d'unité d'humidification (6) peut distribuer de l'air extérieur à la première unité intérieure (2a) par l'intermédiaire du premier tuyau d'aspiration et de décharge d'air (6a). Le corps d'unité d'humidification (6) peut distribuer de l'air extérieur à la seconde unité intérieure (2b) par l'intermédiaire du second tuyau d'aspiration et de décharge d'air (6b).
PCT/JP2009/051640 2008-02-27 2009-01-30 Climatiseur WO2009107452A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09714381.2A EP2267374A4 (fr) 2008-02-27 2009-01-30 Climatiseur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008-046737 2008-02-27
JP2008046737 2008-02-27

Publications (1)

Publication Number Publication Date
WO2009107452A1 true WO2009107452A1 (fr) 2009-09-03

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PCT/JP2009/051640 WO2009107452A1 (fr) 2008-02-27 2009-01-30 Climatiseur

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EP (1) EP2267374A4 (fr)
JP (2) JP4433091B2 (fr)
WO (1) WO2009107452A1 (fr)

Cited By (2)

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DE102017112269A1 (de) * 2017-06-02 2018-12-06 Rüdiger Stadler Klimatisierungsvorrichtung mit Befeuchtung
CN116651884A (zh) * 2023-07-31 2023-08-29 山西誉恒天祥实验室设备有限公司 一种通风柜

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JP4466786B2 (ja) * 2008-09-30 2010-05-26 ダイキン工業株式会社 空気調和機
KR101171776B1 (ko) 2010-12-22 2012-08-06 한국광기술원 Ｌｅｄ 조명 디퓨저를 이용한 공조 장치와 방법
JP2023070461A (ja) * 2021-11-09 2023-05-19 ダイキン工業株式会社 空気調和機の室外機

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JPH05272797A (ja) * 1992-03-24 1993-10-19 Shibaura Eng Works Co Ltd 風量調整ダンパ装置
JPH06257787A (ja) * 1993-03-09 1994-09-16 Tokyo Gas Co Ltd ダクト式空調システムにおける分岐チャンバー
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Publication number Priority date Publication date Assignee Title
DE102017112269A1 (de) * 2017-06-02 2018-12-06 Rüdiger Stadler Klimatisierungsvorrichtung mit Befeuchtung
CN116651884A (zh) * 2023-07-31 2023-08-29 山西誉恒天祥实验室设备有限公司 一种通风柜
CN116651884B (zh) * 2023-07-31 2023-10-13 山西誉恒天祥实验室设备有限公司 一种通风柜

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JP2009236481A (ja) 2009-10-15
EP2267374A1 (fr) 2010-12-29
JP2009229054A (ja) 2009-10-08
EP2267374A4 (fr) 2015-01-14
JP4433091B2 (ja) 2010-03-17

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