WO2022270514A1 - Dispositif de climatisation - Google Patents

Dispositif de climatisation Download PDF

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Publication number
WO2022270514A1
WO2022270514A1 PCT/JP2022/024774 JP2022024774W WO2022270514A1 WO 2022270514 A1 WO2022270514 A1 WO 2022270514A1 JP 2022024774 W JP2022024774 W JP 2022024774W WO 2022270514 A1 WO2022270514 A1 WO 2022270514A1
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WO
WIPO (PCT)
Prior art keywords
air
indoor
outdoor
ventilation
unit
Prior art date
Application number
PCT/JP2022/024774
Other languages
English (en)
Japanese (ja)
Inventor
裕記 藤岡
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 CN202280043680.8A priority Critical patent/CN117501053A/zh
Publication of WO2022270514A1 publication Critical patent/WO2022270514A1/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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0041—Indoor units, e.g. fan coil units characterised by exhaustion of inside air from the room
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • Patent Document 1 Japanese Patent Application Laid-Open No. 2005-172280 discloses an air conditioner capable of air supply operation and exhaust operation.
  • exhaust operation is performed based on the output of a sensor that detects air contamination, and then air supply operation is performed.
  • An air conditioner is an air conditioner that performs at least one of cooling operation and dehumidifying operation, and includes a ventilator, a control unit, and a flow path member.
  • the ventilation device performs a first ventilation operation for supplying outdoor air indoors and a second ventilation operation for discharging indoor air to the outdoors.
  • the control unit controls to perform the first ventilation operation or the second ventilation operation during the cooling operation or the dehumidifying operation.
  • the channel member connects the indoor space and the outdoor space to form a channel. In the first ventilation operation, outdoor air is supplied indoors through the flow path. In the second ventilation operation, indoor air is discharged to the outside through the flow path.
  • the flow path member that configures the flow path for the outdoor air (supply air) and the flow path member that configures the flow path for the indoor air (exhaust air) are used together.
  • supply air supply air
  • exhaust air exhaust air
  • the air conditioner according to the second aspect is the indoor unit of the air conditioner according to the first aspect, further comprising a remote control for switching between the first ventilation operation and the second ventilation operation.
  • the user can voluntarily select the first ventilation operation and the second ventilation operation.
  • the air conditioner according to the third aspect is the air conditioner according to the first aspect or the second aspect, and further includes a human detection sensor that detects the presence or absence of a person in the room.
  • the control unit controls to perform the first ventilation operation or the second ventilation operation when the human detection sensor detects a person.
  • the air conditioner of the third aspect can perform the first or second ventilation operation when detecting the presence of a person in the room. Therefore, it is possible to promote the discharge of viruses, dust, etc. brought into the room by people to the outside.
  • the air conditioner according to the fourth aspect is the air conditioner according to the first to third aspects, and the control unit performs automatic operation to automatically switch between the first ventilation operation and the second ventilation operation.
  • the air conditioner of the fourth aspect switches between the first ventilation operation and the second ventilation operation according to the temperature, humidity, etc. of the indoor air and the outdoor air. Therefore, the efficiency of cooling operation and dehumidifying operation can be improved.
  • the air conditioner according to the fifth aspect is the air conditioner according to the fourth aspect, and the control unit performs the second ventilation operation when the temperature of the indoor air is higher than the temperature of the outdoor air.
  • the air conditioner according to the fifth aspect discharges the indoor air to the outside when the temperature of the indoor air is higher than the temperature of the outdoor air. As a result, it is possible to reduce the need to cool or dehumidify the indoor air having a high temperature, so that the efficiency of the cooling operation and the dehumidification operation can be improved.
  • An air conditioner according to a sixth aspect is the air conditioner according to the fourth aspect or the fifth aspect, wherein the control unit performs the first ventilation operation when the temperature of the indoor air is lower than the temperature of the outdoor air. conduct.
  • the air conditioner according to the sixth aspect supplies the outdoor air indoors when the temperature of the indoor air is lower than the temperature of the outdoor air. As a result, indoor air having a low temperature is not discharged to the outside, so the efficiency of the cooling operation and the dehumidifying operation can be improved.
  • the air conditioner according to the seventh aspect is the air conditioner according to the first to sixth aspects, further comprising an indoor unit that is arranged indoors and includes an indoor heat exchanger.
  • the indoor unit is formed with an air supply port through which outdoor air is introduced.
  • the air supply port is provided upstream of the indoor heat exchanger. Outdoor air introduced from the air supply port passes through the indoor heat exchanger.
  • the outdoor air introduced from the outside passes through the indoor heat exchanger, so the outdoor air is cooled or dehumidified. Therefore, it is possible to suppress a decrease in the efficiency of the cooling operation and the dehumidifying operation.
  • the air conditioner according to the eighth aspect is the air conditioner according to the first to seventh aspects, further comprising an indoor unit arranged indoors.
  • An air supply/exhaust port is formed in the indoor unit.
  • outdoor air is supplied indoors through the air supply/exhaust port as a flow path.
  • the indoor air is discharged to the outside through the air supply/exhaust port as a flow path.
  • the supply/exhaust port is formed in common as the supply port through which the outdoor air is introduced and the exhaust port through which the indoor air is discharged. Therefore, it is possible to increase the amount of air supplied in the first ventilation operation and the amount of exhaust air discharged in the second ventilation operation.
  • the air conditioner according to the ninth aspect is the air conditioner according to the first to eighth aspects, further comprising an outdoor unit arranged outdoors.
  • the ventilation device includes a ventilation unit and a hose.
  • a ventilation unit is provided in the outdoor unit.
  • a hose connects the ventilation unit and the indoor unit.
  • the channel member includes a hose.
  • the air conditioner according to the ninth aspect since the hose through which the outdoor air to be supplied and the indoor air to be exhausted pass is common, the amount of air supplied in the first ventilation operation and the exhaust discharged in the second ventilation operation You can increase the amount.
  • FIG. 1 is an external view of an air conditioner according to an embodiment of the present disclosure
  • FIG. It is a system diagram of a refrigerant circuit used in an air conditioner with an outline of the air flow. It is an exploded perspective view of an outdoor unit and a ventilator. It is an exploded perspective view (first state) of the damper. It is an exploded perspective view (second state) of the damper. It is a cross-sectional perspective view which shows the flow of the air in the damper of a 1st state.
  • FIG. 7 is a cross-sectional perspective view showing air flow in the damper in the second state; (a) is a schematic diagram showing air flow in a damper in a first state, and (b) is a schematic diagram showing air flow in a damper in a second state.
  • FIG. 10 is a schematic diagram showing the air flow in the damper in the third state; It is a block diagram of a control part. It is a top view of a remote control. 4 is a flow chart showing control by a human detection sensor; It is a flow chart which shows control by automatic operation.
  • FIG. 4 is a schematic diagram showing air flow through an air supply port;
  • FIG. 4 is a schematic diagram showing an air flow when an air supply operation is performed during cooling operation or dehumidifying operation;
  • FIG. 10 is a schematic diagram showing an air flow when an exhaust operation is performed during cooling operation or dehumidifying operation;
  • an air conditioner 1 air-conditions and ventilates a room such as a building.
  • the air conditioner 1 includes an air conditioner 1a that air-conditions the room, a ventilator 1b that ventilates the room, and a controller 100 (see FIG. 10).
  • the air conditioner 1a performs at least one of cooling operation and dehumidifying operation.
  • the air conditioner 1a of this embodiment performs a cooling operation, a dehumidifying operation, and a heating operation.
  • the air conditioner 1a has an indoor unit 2, an outdoor unit 3, and connecting pipes 31 and 32.
  • the indoor unit 2 is arranged indoors.
  • the outdoor unit 3 is arranged outdoors.
  • Communication pipes 31 and 32 connect the indoor unit 2 and the outdoor unit 3 .
  • a vapor compression refrigerant circuit is configured by connecting the indoor unit 2 and the outdoor unit 3 via connecting pipes 31 and 32 .
  • the ventilation device 1b performs a first ventilation operation (hereinafter also referred to as an air supply operation) for supplying outdoor air to the room and a second ventilation operation (hereinafter also referred to as an exhaust operation) for discharging the indoor air to the outside. .
  • the ventilation device 1b of the present embodiment performs an air supply operation, an exhaust operation, and a humidification operation in which outdoor air is humidified and supplied indoors.
  • the ventilation device 1b has a ventilation unit 4 and a hose 6.
  • the ventilation unit 4 is arranged indoors or outdoors, and is arranged in the outdoor unit 3 here.
  • the hose 6 connects the indoor unit 2 and the outdoor unit 3, and connects the ventilation unit 4 and the indoor unit 2 here.
  • the control unit 100 controls components of the air conditioner 1a and the ventilator 1b.
  • the control unit 100 performs control to perform the air supply operation or the exhaust operation during the cooling operation or the dehumidifying operation.
  • the air conditioner 1 further includes a channel member.
  • the flow path member connects the indoor and the outdoor and forms a flow path for indoor air and outdoor air.
  • the flow path is, for example, the internal space of the hose 6 of the ventilator 1b, the air supply/exhaust port 14 of the indoor unit 2, and the like.
  • the flow path member is, for example, the hose 6, the member forming the air supply/exhaust port 14 (the air supply/exhaust port member 14a in FIG. 15), and the like.
  • In the air supply operation outdoor air is supplied indoors through the flow path.
  • In the exhaust operation indoor air is discharged to the outside through the flow path. In this way, the member forming the flow path through which the outdoor air passes during the air supply operation and the member forming the flow path through which the indoor air passes during the exhaust operation are common.
  • the indoor unit 2 of this embodiment is a wall-mounted type. As shown in FIG. 2 , the indoor unit 2 includes an indoor heat exchanger 11 , an indoor fan 12 and a fan motor 13 .
  • the indoor heat exchanger 11 includes a heat transfer tube that is folded back multiple times at both ends in the length direction, and a plurality of fins through which the heat transfer tube is inserted, and performs heat exchange with the air that comes into contact with the heat transfer tube.
  • the indoor fan 12 is, for example, a cross-flow fan.
  • the indoor fan 12 has a cylindrical shape, has a large number of blades on its peripheral surface, and generates an air flow in a direction intersecting the rotation axis.
  • the indoor fan 12 draws indoor air into the indoor unit 2 and blows out the air after heat exchange with the indoor heat exchanger 11 into the room.
  • the fan motor 13 rotates the indoor fan 12 .
  • the indoor unit 2 is formed with an air supply/exhaust port 14 .
  • the air supply/exhaust port 14 is an air supply port through which outdoor air is introduced during an air supply operation, and an exhaust port through which indoor air is discharged during an exhaust operation.
  • the outdoor air in the air supply operation, the outdoor air is supplied into the room through the air supply/exhaust port 14 , and in the exhaust operation, the indoor air is discharged to the outside through the air supply/exhaust port 14 .
  • the air supply/exhaust port 14 is a channel through which the outdoor air passes during the air supply operation and a channel through which the indoor air passes during the exhaust operation.
  • the air supply/exhaust port 14 is an opening formed in the wall of the room.
  • the indoor unit 2 further includes an air supply/exhaust port member 14 a (see FIG. 15 ) that forms the air supply/exhaust port 14 .
  • the air supply/exhaust port member 14 a is connected to the hose 6 . Therefore, the air supply/exhaust port 14 and the internal space of the hose 6 communicate with each other.
  • the air supply/exhaust port 14 is provided upstream of the indoor heat exchanger 11 . Outdoor air introduced from the air supply/exhaust port 14 during the air supply operation passes through the indoor heat exchanger 11 . Therefore, during the cooling operation or the dehumidifying operation, the outdoor air is cooled or dehumidified by the indoor heat exchanger 11 and then supplied indoors. In addition, the outdoor air that is not humidified when the air supply operation is performed during the heating operation or the humidified outdoor air when the humidification operation is performed during the heating operation is heated by the indoor heat exchanger 11 and then supplied to
  • an indoor temperature sensor 15, an indoor humidity sensor 16, and a human detection sensor 17 are arranged in the indoor unit 2. As shown in FIG.
  • the indoor temperature sensor 15 detects the indoor temperature.
  • the indoor humidity sensor 16 detects indoor humidity.
  • the indoor temperature sensor 15 and the indoor humidity sensor 16 may be indoor temperature and humidity sensors that detect indoor temperature and indoor humidity.
  • the human detection sensor 17 detects the presence or absence of people in the room.
  • the human detection sensor 17 is, for example, an infrared sensor having one or more infrared light receiving elements.
  • the indoor temperature sensor 15, the indoor humidity sensor 16, and the human detection sensor 17 may be arranged somewhere in the room instead of the indoor unit 2.
  • Outdoor unit 3 includes a compressor 21, a four-way switching valve 22, an accumulator 23, an outdoor heat exchanger 24, an expansion valve 25, a filter 26, a liquid closing valve 27, It includes a gas shutoff valve 28 , an outdoor fan 29 and a fan motor 30 .
  • the compressor 21 is a mechanism that compresses the low-pressure refrigerant in the refrigeration cycle to high pressure.
  • the four-way switching valve 22 is connected to the discharge side of the compressor 21 .
  • the accumulator 23 is connected to the suction side of the compressor 21 .
  • the outdoor heat exchanger 24 is connected to the four-way switching valve 22 .
  • the expansion valve 25 is connected to the outdoor heat exchanger 24 .
  • the expansion valve 25 is connected to a connecting pipe 32 via a filter 26 and a liquid closing valve 27, and is connected to one end of the indoor heat exchanger 11 via this connecting pipe 32.
  • the four-way switching valve 22 is also connected to a connecting pipe 31 via a gas shutoff valve 28 , and is connected to the other end of the indoor heat exchanger 11 via this connecting pipe 31 .
  • These connecting pipes 31 and 32 form a collective connecting pipe 7 together with the hose 6 described above.
  • the outdoor fan 29 exhausts the outdoor air after heat exchange in the outdoor heat exchanger 24 to the outside.
  • the outdoor fan 29 is, for example, a propeller fan.
  • the fan motor 30 rotationally drives the outdoor fan 29 .
  • the outdoor unit 3 is configured by casing members such as a front panel 51, side plates 52 and 53, a protective wire mesh (not shown), and a metal bottom plate 54, refrigerant circuit components housed inside, and the like. It is configured.
  • the front panel 51 is a member made of resin that covers the front surface of the outdoor unit 3 and is arranged downstream of the outdoor heat exchanger 24 for the air passing through the outdoor heat exchanger 24 .
  • the front panel 51 is provided with an air outlet 51a consisting of a plurality of slit-shaped openings, and the air that has passed through the outdoor heat exchanger 24 passes through the air outlet 51a from the inside of the outdoor unit 3 to the outdoor unit 3. blow out to the outside of A fan outlet member 56 and a partition plate 57 are attached to the rear of the front panel 51 .
  • the side plates 52 and 53 are metal members that cover the sides of the outdoor unit 3 .
  • a right side plate 52 is provided on the right side
  • a left side plate 53 is provided on the left side.
  • the side plates 52 and 53 are provided substantially parallel to the blowing direction of the air that passes through the outdoor heat exchanger 24 and blows out from the blowout port 51a.
  • a shut-off valve cover 55 is attached to the right side plate 52 to protect the liquid shut-off valve 27 and the gas shut-off valve 28 (see FIG. 2).
  • the outdoor heat exchanger 24 has a substantially L shape in plan view, and is arranged in front of the protective wire mesh that covers the back surface of the outdoor unit 3 .
  • An outdoor fan 29 and a fan motor 30 are provided in a ventilation space in front of the outdoor heat exchanger 24 and between the partition plate 57 and the left side plate 53 .
  • the outdoor fan 29 brings the air taken into the outdoor unit 3 into contact with the outdoor heat exchanger 24, and exhausts the air forward of the front panel 51 from the outlet 51a.
  • the parts that make up the refrigerant circuit such as the compressor 21, the accumulator 23, the four-way switching valve 22, and the expansion valve 25, are arranged in the machine room between the partition plate 57 and the right side plate 52.
  • An electric component unit 58 is attached to the upper portion of the outdoor unit 3 .
  • the electrical component unit 58 is composed of an electrical component box and a printed circuit board on which circuit components for controlling each part are mounted.
  • a flameproof plate 59 is attached above the electrical component unit 58 .
  • the outdoor unit 3 is provided with an outdoor temperature sensor 33 and an outdoor humidity sensor 34 .
  • the outdoor temperature sensor 33 detects the outdoor temperature.
  • the outdoor humidity sensor 34 detects outdoor humidity.
  • the outdoor temperature sensor 33 and the outdoor humidity sensor 34 may be outdoor temperature and humidity sensors that detect outdoor temperature and outdoor humidity.
  • outdoor temperature sensor 33 and the outdoor humidity sensor 34 may be arranged somewhere outside the outdoor unit 3 instead of the outdoor unit 3 .
  • the ventilation unit 4 performs an air supply operation (first ventilation operation) for supplying outdoor air to the room and an exhaust operation (second ventilation operation) for discharging indoor air to the outside. It is a unit that can Here, the ventilation unit 4 can perform an air supply operation, an exhaust operation, and a humidification operation. The air supply operation and the humidification operation are the same in that outdoor air is supplied indoors. It is different from the humidification operation performed.
  • the ventilation unit 4 of this embodiment is arranged above the outdoor unit 3 and integrated with it.
  • the configuration of the ventilation unit 4 will be described below mainly with reference to FIG.
  • the ventilation unit 4 includes a casing 40 , an absorbent/humidifying rotor 41 , a heater assembly 42 , a radial fan assembly 43 , a damper 44 , an adsorption side duct 45 and an adsorption fan 46 .
  • the casing 40 covers the front, rear and both sides of the ventilation unit 4 and is arranged so as to be in contact with the top of the outdoor unit 3 .
  • Adsorption air outlets 40a consisting of a plurality of slit-shaped openings are provided on the front surface of the casing 40, and outdoor air is blown out of the outdoor unit 3 through the adsorption air outlets 40a.
  • an adsorption air suction port 40b and an air supply/exhaust port 40c are provided side by side in the left-right direction.
  • the adsorption air suction port 40b is an opening through which air taken in from the outside in order to cause the adsorption/humidification rotor 41 to adsorb moisture.
  • the air supply/exhaust port 40c is an opening through which the air taken in to be sent to the indoor unit 2 passes, or the air taken in from the indoor unit 2 and exhausted to the outside passes through.
  • the upper part of the casing 40 is covered with a top plate 66.
  • the right side is a space for housing the suction/humidification rotor 41 and the like, and the left side is a suction fan housing space SP1 for housing the suction fan 46 and the like.
  • an absorbent/humidifying rotor 41, a heater assembly 42, a radial fan assembly 43, a damper 44, an adsorption side duct 45, an adsorption fan 46, and the like are arranged.
  • the absorption and humidification rotor 41 is a ceramic rotor having a honeycomb structure having a substantially disk shape, and has a structure through which air can easily pass.
  • the absorbent/humidifying rotor 41 has a circular shape in plan view.
  • the humidifying/absorbing rotor 41 has a fine honeycomb shape in a horizontal cross section. The air passes through a large number of cylindrical portions of the humidifying/absorbing rotor 41 having polygonal cross sections.
  • the main part of the humidifying rotor 41 is sintered from an adsorbent such as zeolite, silica gel, or alumina.
  • This adsorbent has the property of adsorbing moisture in the air it comes in contact with, and releasing the adsorbed moisture when heated.
  • the adsorption/humidification rotor 41 is rotatably supported by a support shaft 40d provided on the casing 40 side via a rotor guide (not shown).
  • a gear is formed on the peripheral surface of the humidifying/absorbing rotor 41 and meshes with a rotor drive gear 48 attached to the drive shaft of a rotor drive motor 47 .
  • the heater assembly 42 is composed of a heater cover 42a and a heater main body 42b (see FIG. 10) housed therein. Heat the air sent to 41.
  • the heater assembly 42 is attached above the absorbent/humidifying rotor 41 via a heater support plate 49 .
  • the radial fan assembly 43 is arranged on the side of the humidifying/absorbing rotor 41, and rotates the radial fan 430 (see FIG. 8(a)) and the radial fan 430. and a radial fan motor 431 (see FIG. 10). 4, the radial fan assembly 43 shares an upper lid 73 with the damper 44, and the upper lid 73 closes the bottom surface of the radial fan assembly 43. As shown in FIG. The upper lid 73 is provided with a blowout port 73a and an intake port 73b. The air outlet 73a is an opening through which air sent from the radial fan assembly 43 into the damper 44 passes.
  • the intake port 73b is an opening through which air sent from within the damper 44 to the radial fan assembly 43 passes.
  • the radial fan assembly 43 generates an air flow from the air supply/exhaust port 40c to the interior of the room through the humidification/humidification rotor 41 and the damper 44, and sends the air taken in from the outside to the indoor unit 2.
  • the radial fan assembly 43 can also discharge the air taken in from the indoor unit 2 to the outside.
  • the radial fan assembly 43 switches these operations by switching the damper 44 .
  • the radial fan assembly 43 When the outdoor air taken in from the outside is sent to the indoor unit 2 , the radial fan assembly 43 sends the outdoor air that has passed through the right half of the humidification/humidification rotor 41 through the damper 44 to the air supply/exhaust duct 61 . send to The air supply/exhaust duct 61 is connected to the hose 6 (see FIG. 1), and the radial fan assembly 43 supplies outdoor air to the indoor unit 2 via the air supply/exhaust duct 61 and the hose 6 .
  • the radial fan assembly 43 passes the air sent from the air supply/exhaust duct 61 to the outside through the air supply/exhaust port 40c provided on the back surface of the casing 40.
  • the damper 44 is rotary airflow switching means arranged below the radial fan assembly 43, and switches between the first state, the second state and the third state.
  • the air blown out from the radial fan assembly 43 is supplied to the indoor unit 2 through the air supply/exhaust duct 61 and the hose 6 .
  • the air flows in the direction indicated by the solid-line arrow A1 in FIG.
  • the indoor air flows in the direction of the arrow indicated by the dashed arrow A2 in FIG.
  • the air is exhausted from the three-dimensional structure 43 to the outside through the air supply/exhaust port 40c.
  • the adsorption side duct 45 covers a portion of the upper surface of the adsorption/humidification rotor 41 where the heater assembly 42 is not located (approximately half portion on the left).
  • the suction-side duct 45 forms an air flow path leading from the left half of the suction/humidification rotor 41 to the suction fan storage space SP1, which will be described below, together with the suction-side bell mouth 63, which will be described later.
  • the suction fan 46 housed in the suction fan housing space SP1 is a centrifugal fan rotated by a suction fan motor 65.
  • An air current is generated that flows from the adsorption air suction port 40b to the opening 63a via the adsorption/humidification rotor 41.
  • the adsorption fan 46 exhausts the dry air having moisture adsorbed while passing through the adsorption/humidification rotor 41 toward the front of the casing 40 from the adsorption air outlet 40a.
  • the adsorption-side bell mouth 63 is provided above the adsorption fan storage space SP1, and plays a role of guiding the air coming through the air flow path formed by the adsorption-side duct 45 to the adsorption fan 46 .
  • the casing 71 is composed of a casing side wall 71a and a casing bottom plate 71b, and is open at the top.
  • the casing side wall 71a extends upward from the casing bottom plate 71b and curves sideways in an arc shape.
  • a part of the casing 71 has a casing side opening 71c where the casing side wall 71a does not exist, and the space inside the casing 71 is a space opened to the side by the casing side opening 71c.
  • a rail 71d protruding upward from the casing bottom plate 71b is provided near the center of the casing bottom plate 71b, and is curved so as to be substantially parallel to the casing side wall 71a.
  • a space sandwiched between the rail 71d and the casing side wall 71a serves as a moving space in which the channel switching member 72 rotates.
  • a portion of the casing bottom plate 71b through which the passage switching member 72 passes is provided with a casing bottom opening 71e, which is connected to a hole of a connection pipe 71f provided on the outer surface of the casing bottom plate 71b.
  • the air supply/exhaust duct 61 is connected to the connecting pipe 71f.
  • the upper lid 73 is a plate-like member that covers the upper surface of the casing 71, and the radial fan assembly 43 is attached thereon. As described above, the upper lid 73 is provided with the blowout port 73a and the intake port 73b.
  • the air outlet 73 a is an opening through which air sent from the radial fan assembly 43 into the damper 44 passes, and is provided above the casing bottom opening 71 e of the casing 71 .
  • the intake port 73b is an opening through which air sent from the damper 44 to the radial fan assembly 43 passes, and is provided to face the space between the casing bottom opening 71e and the casing side opening 71c in the movement space. It is
  • the flow path switching member 72 is a member that switches the flow of air passing through the damper 44 by moving in the movement space.
  • the flow path switching member 72 divides the space inside the casing 71 formed by the casing 71 and the upper lid 73 into a space SP2 inside the flow path switching member 72 and a space SP3 outside the flow path switching member 72 ( 8(a), 8(b) and 9).
  • the channel switching member 72 is mainly composed of an inner wall 72a, an outer wall 72b, flat walls 72c and 72d, and a bottom plate 72e.
  • the channel switching member 72 is open at the top and closed at the top by the top lid 73 .
  • the inner wall 72a and the outer wall 72b are parallel to each other and curved laterally in an arc having a central angle of about 90 degrees.
  • the outer wall 72b is provided on the casing side wall 71a side, and the inner wall 72a is provided on the rail 71d side.
  • a gear 72 f is provided on the outer surface of the inner wall 72 a and meshes with a gear 740 of the damper drive motor 74 to transmit the rotation of the damper drive motor 74 to the flow path switching member 72 .
  • the flat side walls 72c and 72d are plate-like members connecting side ends of the inner wall 72a and the outer wall 72b, and the flat side wall 72c is provided with a side opening 72g. 72 g of side openings are connected with the hole of 72 h of piping provided in the outer surface of the flat side wall 72c.
  • the pipe 72h is curved downward by about 90 degrees from the outer surface of the flat side wall 72c, and the air entering from the lower hole of the pipe 72h is directed from the side opening 72g to the space SP2 inside the flow path switching member 72. and send.
  • a bottom opening 72i is provided in the bottom plate 72e.
  • the size of the flow path switching member 72, the position of the bottom opening 72i, and the like are determined when the bottom opening 72i is positioned right above the casing bottom opening 71e of the casing 71, as shown in FIG.
  • the space SP2 inside the flow path switching member 72 is determined to communicate with the intake port 73b of the upper lid 73 and not communicate with the blowout port 73a when positioned directly above the casing bottom opening 71e of the 71b. .
  • the damper drive motor 74 is provided to rotate the flow path switching member 72 as shown in FIGS.
  • the damper drive motor 74 rotates the flow path switching member 72, and the first state in which the flow path switching member 72 is in the rotational position shown in FIGS.
  • the second state in which the rotational position shown in FIG. 8B is reached and the third state in which the rotational position shown in FIG. 9 is reached are switched.
  • the limit switch 75 is provided so as to operate when the flow path switching member 72 moves normally. It can be detected whether the state, the second state and the third state could be switched.
  • the limit switch 75 is connected to the control section 100 and sends detection results to the control section 100 .
  • the space SP2 inside the flow path switching member 72 communicates with the blowout port 73a through the open upper portion, and the casing 71 through the bottom opening 72i. of the casing bottom opening 71e.
  • the space SP3 outside the channel switching member 72 communicates with the intake port 73b.
  • the passage for guiding the outdoor air that has passed through the heater assembly 42 and the humidifying/humidifying rotor 41 to the damper 44 and the space SP3 outside the flow path switching member 72 communicate through the casing side opening 71c.
  • the outdoor air passing through the heater assembly 42 and the humidifying/humidifying rotor 41 passes through the intake port 73b into the radial fan assembly 43 as the radial fan 430 accommodated in the radial fan assembly 43 rotates. come in.
  • the outdoor air blown out from the outlet 73a passes through the space SP2 inside the flow path switching member 72, the bottom opening 72i of the flow path switching member 72, the casing bottom opening 71e, and the connection pipe 71f to the outside of the damper 44. Sent. Since the connecting pipe 71f is connected to the hose 6 via the air supply/exhaust duct 61 (see FIGS.
  • connection pipe 71f communicates with the space SP2 inside the flow path switching member 72 via the pipe 72h.
  • space SP2 inside the flow path switching member 72 communicates with the intake port 73b of the radial fan assembly 43 through the open top.
  • the blowout port 73a of the radial fan assembly 43 communicates with the space SP3 outside the flow path switching member 72 and connects to a passage leading to the outside of the outdoor unit 3 via the casing side opening 71c. Therefore, in the second state, the indoor air flows in the direction of the arrows shown in FIGS. The air is blown out from the side opening 71 c and is exhausted to the outside of the outdoor unit 3 through the air supply/exhaust port 40 c of the casing 40 .
  • the channel switching member 72 is positioned between the first state and the second state.
  • the intake port 73b of the radial fan assembly 43 communicates with the space SP3 outside the flow path switching member 72.
  • the outlet 73 a of the radial fan assembly 43 communicates with the space SP ⁇ b>2 inside the flow path switching member 72 .
  • the bottom opening 72i of the channel switching member 72 and the lower opening 720h of the pipe 72h are closed by the casing bottom plate 71b of the casing 71 .
  • a casing bottom opening 71 e of the casing 71 is also closed by a bottom plate 72 e of the channel switching member 72 .
  • the air path connecting the outdoor unit 3 and the indoor unit 2 is closed by the damper 44 .
  • (2-4) Hose As shown in FIGS. 1 and 2, between the indoor unit 2 and the outdoor unit 3, when the outdoor air from the ventilation unit 4 is supplied to the indoor unit 2 side, and when the indoor air A hose 6 is provided to be used when discharging to the outside of the room.
  • the hose 6 connects the ventilation unit 4 and the indoor unit 2 .
  • one end of the hose 6 is connected to an air supply/exhaust port member 14a (see FIG. 15) forming the air supply/exhaust port 14 of the indoor unit 2, and the other end of the hose 6 is connected to the ventilation unit 4. . Therefore, in the air supply operation, the outdoor air is supplied into the room through the hose 6, and in the exhaust operation, the indoor air is discharged to the outside through the hose 6.
  • the hose 6 is a member that forms a flow path for the outdoor air during the air supply operation, and a member that forms a flow path for the indoor air during the exhaust operation. Also, the hose 6 is a member that further configures a flow path through which humidified outdoor air passes during the humidification operation.
  • Remote Controller A remote controller 102 shown in FIGS. 10 and 11 is provided indoors.
  • the remote controller 102 may be wired or wirelessly connected to the control unit 100 via a transmission line, a communication line, or the like.
  • the remote control 102 allows the user to select various operations such as air conditioning operation and ventilation operation. As shown in FIG. 11, the remote controller 102 of the present embodiment selects heating operation, cooling operation and dehumidification operation as air conditioning operation, air supply operation, exhaust operation and humidification operation as ventilation operation, setting of air conditioning operation, and the like. Including buttons.
  • the remote controller 102 switches between air supply operation and exhaust operation.
  • the button 102a When the button 102a is pushed, the air supply operation is started.
  • the button 102b When the button 102b is pushed, the exhaust operation is started.
  • the user can select between the air supply operation and the exhaust operation using the buttons 102a and 102b of the remote control 102.
  • the exhaust operation can be performed by the user pressing the button 102b when eating or when the number of people in the room increases.
  • the remote control 102 further includes a display section 102c.
  • the display unit 102c displays the selected operation, set temperature, humidity, message, and the like.
  • the control unit 100 shown in FIG. 10 is realized by, for example, a computer.
  • the computer for example, includes a control computing device and a storage device.
  • a processor can be used for the control computing unit.
  • the control unit 100 has a CPU as a processor.
  • the control arithmetic unit reads out a program stored in a storage device, for example, and performs predetermined image processing, arithmetic processing, or sequence processing according to the program. Further, the control arithmetic device can write the arithmetic result to the storage device and read the information stored in the storage device according to the program, for example.
  • a storage device can be used as a database.
  • the control unit 100 has a memory as a storage device.
  • the control unit 100 of this embodiment is divided into the indoor unit 2, the outdoor unit 3, the ventilation unit 4, and the like of the air conditioner 1.
  • the controller 100 includes an outdoor temperature sensor 33, an outdoor humidity sensor 34, an indoor temperature sensor 15, an indoor humidity sensor 16, a limit switch 75, an indoor unit 2, an outdoor unit 3, and a ventilation unit 4. connected to each device in the
  • the control unit 100 operates each device according to various operations such as heating operation, cooling operation, dehumidification operation, air supply operation, exhaust operation, and humidification operation based on operation commands from the remote controller 102 or the like, or automatically. control.
  • the control unit 100 controls to perform air supply operation or exhaust operation during cooling operation or dehumidifying operation.
  • the control unit 100 of the present embodiment further controls to perform the air supply operation, the exhaust operation, or the humidification operation during the heating operation.
  • control unit 100 controls to continue the humidifying operation even if an instruction to perform the exhaust operation is received during the humidifying operation. Specifically, when the exhaust operation button 102b is pressed from the remote controller 102 during the humidification operation, the control unit 100 continues the humidification operation, and displays the message "The humidification operation is in progress, so it cannot be used.” ” to indicate that the exhaust operation cannot be used.
  • control unit 100 may stop the humidification operation and switch to the air supply operation when receiving an instruction to perform the air supply operation during the humidification operation, or may continue the humidification operation.
  • step S1 Control by Human Detection Sensor
  • the control section 100 controls to perform air supply operation or exhaust operation. Specifically, as shown in FIG. 12, when the ventilation setting by the human detection sensor 17 is set to ON and the air conditioning operation (here, cooling operation or dehumidification operation) is set to ON, the control unit 100 Air-conditioning operation is performed (step S1). In this step S1, when there is no person in the room, ventilation is not performed, but air conditioning is performed to make the room comfortable. In this state, the presence or absence of a person in the room is detected by the human detection sensor 17 (step S2).
  • step S3 When it is detected in step S2 that a person is present in the room, the control unit 100 starts an air supply operation or an exhaust operation (ventilation operation) (step S3). From the viewpoint of eliminating viruses, it is preferable that the control unit 100 performs an exhaust operation when a person is detected by the human detection sensor 17 . On the other hand, when it is detected in step S2 that no one is present in the room, the control unit 100 continues the air conditioning operation without performing the air supply operation and exhaust operation (ventilation operation).
  • the control unit 100 may perform automatic operation in which air supply operation and exhaust operation are automatically switched. Automatic driving can be selected by the user with the remote controller 102 .
  • the controller 100 switches between the air supply operation and the exhaust operation based on the temperature of the indoor air and the temperature of the outdoor air.
  • step S11 when the automatic ventilation operation is set to ON and the air conditioning operation (here, the cooling operation or the dehumidifying operation) is set to ON, the control unit 100 controls the air conditioning operation.
  • step S12 the controller 100 determines whether the temperature of the indoor air is higher than the temperature of the outdoor air (step S12).
  • step S12 the control unit 100 acquires the temperature of the outdoor air detected by the outdoor temperature sensor 33 and the temperature of the indoor air detected by the indoor temperature sensor 15. High and low are determined based on the temperature.
  • step S12 when the temperature of the indoor air is higher than the temperature of the outdoor air, the controller 100 performs the exhaust operation (step S13).
  • step S14 when the temperature of the indoor air is lower than the temperature of the outdoor air in step S12, the controller 100 performs the air supply operation (step S14).
  • step S12 the step of determining whether the temperature of the indoor air is higher than the temperature of the outdoor air (step S12) is performed at an arbitrary timing.
  • control unit 100 may switch between the air supply operation and the exhaust operation based on the humidity of the indoor air and the humidity of the outdoor air. Specifically, the control unit 100 performs the exhaust operation when the humidity of the indoor air is higher than the humidity of the outdoor air. The controller 100 performs the air supply operation when the humidity of the indoor air is lower than the humidity of the outdoor air. More specifically, the control unit 100 acquires the humidity of the outdoor air detected by the outdoor humidity sensor 34 and the humidity of the indoor air detected by the indoor humidity sensor 16, Air supply operation or exhaust operation is performed based on the relative humidity of the air.
  • the air conditioner 1 of the present embodiment performs heating operation, cooling operation, and dehumidification operation as air conditioning operation, and performs air supply operation, exhaust operation, and humidification operation as ventilation operation. Various operations are performed by the control unit 100 controlling each component.
  • control unit 100 When performing the cooling operation, the control unit 100 causes the outdoor heat exchanger 24 to function as a refrigerant radiator and the indoor heat exchanger 11 to function as a refrigerant evaporator.
  • the four-way switching valve 22 is switched.
  • low-pressure refrigerant in the refrigeration cycle is sucked into the compressor 21, compressed to high pressure in the refrigeration cycle, and then discharged.
  • a high-pressure refrigerant discharged from the compressor 21 is sent to the outdoor heat exchanger 24 through the four-way switching valve 22 .
  • the high-pressure refrigerant sent to the outdoor heat exchanger 24 exchanges heat with the outdoor air supplied by the outdoor fan 29 in the outdoor heat exchanger 24 to radiate heat.
  • the high-pressure refrigerant that has released heat in the outdoor heat exchanger 24 is sent to the expansion valve 25 and decompressed to a low pressure in the refrigeration cycle.
  • the low-pressure refrigerant decompressed by the expansion valve 25 is sent to the indoor heat exchanger 11 through the filter 26 , liquid closing valve 27 and connecting pipe 32 .
  • the low-pressure refrigerant sent to the indoor heat exchanger 11 exchanges heat with the indoor air supplied by the indoor fan 12 in the indoor heat exchanger 11 and evaporates. As a result, the indoor air is cooled and blown into the room.
  • the low-pressure refrigerant evaporated in the indoor heat exchanger 11 is sucked into the compressor 21 again through the connecting pipe 31 , the gas shutoff valve 28 , the four-way switching valve 22 and the accumulator 23 .
  • the controller 100 causes the refrigerant sealed in the refrigerant circuit to circulate through the compressor 21, the outdoor heat exchanger 24, the expansion valve 25, and the indoor heat exchanger 11 in that order.
  • (5-2) Dehumidifying operation When performing the dehumidifying operation, the control unit 100 causes the outdoor heat exchanger 24 to function as a refrigerant radiator and the indoor heat exchanger 11 to function as a refrigerant evaporator, as in the cooling operation.
  • the four-way switching valve 22 is switched so as to function as a In the dehumidification operation, as in the cooling operation, the controller 100 causes the refrigerant sealed in the refrigerant circuit to circulate in the order of the compressor 21, the outdoor heat exchanger 24, the expansion valve 25, and the indoor heat exchanger 11. done.
  • control unit 100 sets the outdoor heat exchanger 24 to function as a refrigerant evaporator and the indoor heat exchanger 11 to function as a refrigerant radiator.
  • the four-way switching valve 22 is switched.
  • the high-pressure refrigerant that has radiated heat in the indoor heat exchanger 11 is sent to the expansion valve 25 through the connecting pipe 32, the liquid closing valve 27 and the filter 26, and is decompressed to the low pressure in the refrigeration cycle.
  • the low-pressure refrigerant decompressed by the expansion valve 25 is sent to the outdoor heat exchanger 24 .
  • the low-pressure refrigerant sent to the outdoor heat exchanger 24 exchanges heat with the outdoor air supplied by the outdoor fan 29 in the outdoor heat exchanger 24 and evaporates.
  • the low-pressure refrigerant evaporated in the outdoor heat exchanger 24 is sucked into the compressor 21 again through the four-way switching valve 22 and the accumulator 23 .
  • the controller 100 causes the refrigerant sealed in the refrigerant circuit to circulate through the compressor 21, the indoor heat exchanger 11, the expansion valve 25, and the outdoor heat exchanger 24 in this order.
  • the radial fan assembly 43 when the radial fan assembly 43 is driven, as shown in FIG. portion and into the heater assembly 42 .
  • the outdoor air that has entered the heater assembly 42 passes through the right half of the humidifying rotor 41, passes through the casing side opening 71c of the damper 44, and enters the radial fan assembly 43 through the interior of the damper 44. to reach.
  • Such airflow is produced by the radial fan assembly 43 .
  • the radial fan assembly 43 sends the outdoor air that has passed through the suction/humidification rotor 41 and the damper 44 as described above to the indoor unit 2 from the air supply/exhaust port 14 via the damper 44, the air supply/exhaust duct 61, and the hose 6. .
  • the outdoor air supplied to the indoor unit 2 is blown indoors through the indoor heat exchanger 11 .
  • the indoor air taken in from the indoor unit 2 passes through the air supply/exhaust port 14, the hose 6, the air supply/exhaust duct 61, and the interior of the damper 44 to the radial fan assembly 43. and arrive.
  • the room air that has reached the radial fan assembly 43 passes through the interior of the damper 44 again and is blown out of the damper 44 through the casing side opening 71c of the damper 44 .
  • the room air blown out of the damper 44 passes through substantially the right half of the humidifying/absorbing rotor 41 and is introduced into the heater assembly 42 .
  • the room air that has entered the heater assembly 42 passes through the right half portion of the suction/humidification rotor 41 and is discharged to the outside through the air supply/exhaust port 40c.
  • the indoor air taken in from the indoor unit 2 passes in the opposite direction to the flow path during the air supply operation, and is discharged from the ventilation unit 4 to the outside.
  • the humidification operation is basically the same as the flow path through which the outdoor air is supplied to the indoor air during the air supply operation, but differs in that the outdoor air is humidified.
  • the ventilation unit 4 rotates the adsorption fan 46 to take air from the outside into the casing 40 through the adsorption air inlet 40b, as shown in FIG.
  • the air that has entered the casing 40 passes through the substantially left half of the humidifying/adsorbing rotor 41, and flows through the air flow path formed by the adsorption-side duct 45 and the adsorption-side bell mouth 63 shown in FIG.
  • the fan 46 the air is discharged from the adsorption fan storage space SP1 to the front of the outdoor unit 3 through the adsorption air outlet 40a (see arrow A3 in FIG. 2 and FIG. 3).
  • the humidifying/absorbing rotor 41 adsorbs moisture contained in the air.
  • the left approximately half portion of the adsorption/humidification rotor 41 that has adsorbed moisture in this adsorption step becomes the right approximately half portion of the adsorption/humidification rotor 41 as it rotates.
  • the moisture that has moved here is then released by the heat from the heater assembly 42 into the airflow generated by the radial fan assembly 43 .
  • the outdoor air sent to the indoor unit 2 contains moisture that has been adsorbed by the adsorption/humidification rotor 41 .
  • the control unit 100 performs control so that the above cooling operation or dehumidifying operation is performed by the air conditioner 1a and the above air supply operation is performed by the ventilator 1b. do.
  • the ventilation unit 4 supplies outdoor air to the air supply/exhaust port 14 of the indoor unit 2 via the hose 6 in accordance with the air supply operation described above.
  • This outdoor air passes through the indoor heat exchanger 11, is cooled or dehumidified, and is supplied indoors. Therefore, the supplied outdoor air is supplied indoors together with the indoor air that has been cooled or dehumidified by the air conditioner 1a.
  • the control unit 100 controls the air conditioner 1a to perform the cooling operation or the dehumidifying operation, and the ventilator 1b to perform the exhaust operation.
  • the ventilation unit 4 supplies indoor air from the air supply/exhaust port 14 of the indoor unit 2 to the ventilation unit 4 via the hose 6 .
  • This indoor air is discharged from the ventilation unit 4 to the outside. Therefore, part of the indoor air is discharged to the outside by the ventilation device 1b, and the other part of the indoor air is cooled or dehumidified through the indoor heat exchanger 11 by the air conditioner 1a, and is discharged indoors. supplied.
  • the control unit 100 performs control so that the air supply operation or humidification operation is performed by the ventilator 1b while the air conditioner 1a performs the above heating operation. .
  • the ventilation unit 4 supplies the outdoor air that has not been humidified according to the air supply operation or the outdoor air that has been humidified according to the humidification operation through the air supply/exhaust port of the indoor unit 2 via the hose 6. 14.
  • This outdoor air is heated and supplied through the indoor heat exchanger 11 . Therefore, the outdoor air introduced by the ventilator 1b is supplied indoors together with the indoor air heated by the air conditioner 1a.
  • the control unit 100 performs control so that the air conditioner 1a performs the above-described heating operation and the ventilator 1b performs the above-described exhaust operation.
  • the ventilation unit 4 supplies indoor air from the air supply/exhaust port 14 of the indoor unit 2 to the ventilation unit 4 via the hose 6 .
  • This indoor air is discharged from the ventilation unit 4 to the outside. Therefore, part of the room air is discharged to the outside by the ventilation device 1b, and the other part of the room air is heated through the indoor heat exchanger 11 by the air conditioner 1a and supplied to the room. be.
  • the air conditioner 1 of the present embodiment is an air conditioner 1 that performs at least one of the cooling operation and the dehumidifying operation, and includes a ventilator 1b, a control unit 100, and a flow path member.
  • the ventilation device 1b performs a first ventilation operation for supplying outdoor air indoors and a second ventilation operation for discharging indoor air to the outdoors.
  • the control unit 100 controls to perform the first ventilation operation or the second ventilation operation during the cooling operation or the dehumidifying operation.
  • the flow path member connects the indoor and the outdoor and forms a flow path for indoor air and outdoor air. In the first ventilation operation, outdoor air is supplied indoors through the flow path. In the second ventilation operation, indoor air is discharged to the outside through the flow path.
  • the channel member that configures the channel through which the outdoor air passes and the channel member that configures the channel through which the indoor air passes are used together.
  • the air supply operation is performed during the cooling operation or the dehumidifying operation
  • the cooled or dehumidified air and the supplied air can form a large flow as indicated by an arrow A12. Therefore, the flow of air from the air supply port 18 can be increased as indicated by arrow A13. This makes it possible to improve the ventilation unevenness in the region R1. Further, as shown in FIG.
  • the air that has been cooled or dehumidified can create a flow as indicated by the arrow A14, and the exhaust air can flow as indicated by the arrow A15. can create a flow in the opposite direction to the air that has been cooled or dehumidified, such as Thereby, the ventilation unevenness in the region R2 can be improved. Therefore, the air conditioner 1 of this embodiment can reduce ventilation unevenness by performing ventilation control.
  • control unit 100 can select the first ventilation operation by supplying air and the second ventilation operation by exhausting air. Therefore, when it is difficult to push out the indoor air in the first ventilation operation by air supply, the ventilation unevenness can be reduced by switching to the second ventilation operation by exhaust air. Specifically, as shown in FIG. 15, although the ventilation unevenness in the region R1 is improved by the air supply operation, if the ventilation unevenness in the region R2 remains, as shown in FIG. By switching to the exhaust operation, it is possible to improve the ventilation unevenness in the region R2. In this way, ventilation can be efficiently performed by switching between the air supply operation and the exhaust operation.
  • the air conditioner 1 of the present embodiment further includes a remote controller 102 for switching between air supply operation and exhaust operation. By operating the remote control 102, the user can select either air supply operation or exhaust operation.
  • the air conditioner 1 of this embodiment further includes a human detection sensor 17 that detects the presence or absence of a person in the room.
  • the control unit 100 controls to perform air supply operation or exhaust operation. Therefore, it is possible to promote the discharge of viruses, dust, etc. brought into the room by people to the outside.
  • control unit 100 performs automatic operation in which air supply operation and exhaust operation are automatically switched.
  • the control unit 100 can switch between the air supply operation and the exhaust operation according to the temperature and humidity of the indoor air and the outdoor air. Therefore, the efficiency of cooling operation and dehumidifying operation can be improved.
  • the controller 100 performs exhaust operation when the temperature of the indoor air is higher than the temperature of the outdoor air. Therefore, when the temperature of the indoor air is higher than the temperature of the outdoor air, the indoor air can be discharged to the outdoor. Therefore, the indoor cooling load can be reduced, and the efficiency of the cooling operation and the dehumidifying operation can be improved.
  • the controller 100 performs the air supply operation when the temperature of the indoor air is lower than the temperature of the outdoor air. Therefore, when the temperature of the indoor air is lower than the temperature of the outdoor air, the outdoor air can be supplied indoors. Therefore, since indoor air having a low temperature is not discharged to the outside, the efficiency of the cooling operation and the dehumidifying operation can be improved.
  • the air conditioner 1 of the present embodiment further includes an indoor unit 2 that is arranged indoors and includes an indoor heat exchanger 11 .
  • the indoor unit 2 is formed with an air supply port (air supply/exhaust port 14 in the present embodiment) through which outdoor air is introduced.
  • the air supply port is provided upstream of the indoor heat exchanger 11 .
  • Outdoor air introduced from the air supply port passes through the indoor heat exchanger 11 . Since the outdoor air introduced from the outside passes through the indoor heat exchanger 11 by the ventilation device 1b, the outdoor air is cooled or dehumidified. Therefore, it is possible to suppress a decrease in the efficiency of the cooling operation and the dehumidifying operation.
  • the air conditioner 1 of this embodiment further includes an indoor unit 2 arranged indoors.
  • An air supply/exhaust port 14 is formed in the indoor unit 2 .
  • outdoor air is supplied indoors through the air supply/exhaust port 14 as a flow path.
  • the exhaust operation the indoor air is discharged to the outside through the air supply/exhaust port 14 as a flow path.
  • the air supply/exhaust port 14 is formed as a common air supply port through which the outdoor air is introduced and an exhaust port through which the indoor air is discharged.
  • the amount of air supplied in the air supply operation and the amount of exhaust gas discharged in the exhaust operation can be increased. Therefore, it is possible to further reduce ventilation irregularities.
  • the air conditioner 1 of this embodiment further includes an outdoor unit 3 arranged outdoors.
  • Ventilation device 1 b includes ventilation unit 4 and hose 6 .
  • a ventilation unit 4 is provided in the outdoor unit 3 .
  • a hose 6 connects the ventilation unit 4 and the indoor unit 2 .
  • the channel member includes the hose 6 .
  • the hose 6 is common for the outdoor air to be supplied and the indoor air to be exhausted.
  • the diameter of the hose 6 can be increased despite the restriction on the size of the air supply/exhaust port 14, so the amount of air supplied in the air supply operation and the amount of exhaust gas discharged in the exhaust operation can be increased. . Therefore, it is possible to further reduce ventilation irregularities.
  • the hose 6 and the air supply/exhaust port 14 are described as examples of flow path members that form flow paths for the outdoor air and the indoor air, but the present invention is not limited to this.
  • the flow path member is the hose 6, but the indoor unit 2 may have an air supply port and an air exhaust port formed separately.
  • the outdoor air is supplied from the hose 6 through the air supply port during the air supply operation, and the indoor air is introduced into the hose 6 through the exhaust port during the exhaust operation.
  • the indoor unit of the present disclosure is not limited to this.
  • the indoor unit of the present disclosure can adopt any type such as a ceiling-embedded type or a floor-mounted type.
  • the air conditioner 1 including one indoor unit 2 was described as an example, but the air conditioner of the present disclosure is not limited to this.
  • the air conditioner of the present disclosure can also be applied to a multi-type having multiple indoor units 2 .
  • Air conditioner 1a Air conditioner 1b: Ventilator 2: Indoor unit 3: Outdoor unit 4: Ventilation unit 6: Hose 11: Indoor heat exchanger 14: Air supply/exhaust port 17: Human detection sensor 100: Control unit 102: Remote controller

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Abstract

L'invention concerne un dispositif de climatisation (1) effectuant une opération de refroidissement et/ou une opération de déshumidification, et comprenant: un dispositif de ventilation (1b) ; une unité de commande (100) ; et un élément formant voie d'écoulement. Le dispositif de ventilation (1b) effectue une première opération de ventilation de fourniture de l'air extérieur dans un espace intérieur, et une seconde opération de ventilation d'évacuation de l'air intérieur vers l'extérieur. L'unité de commande (100) effectue une commande de manière à effectuer la première opération de ventilation ou la seconde opération de ventilation pendant l'opération de refroidissement ou l'opération de déshumidification. L'élément formant voie d'écoulement relie l'espace intérieur à l'extérieur pour former une voie d'écoulement. Lors de la première opération de ventilation, l'air extérieur est fourni à l'espace intérieur à travers la voie d'écoulement. Lors de la seconde opération de ventilation, l'air intérieur est évacué vers l'extérieur à travers la voie d'écoulement.
PCT/JP2022/024774 2021-06-23 2022-06-21 Dispositif de climatisation WO2022270514A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06123473A (ja) * 1992-10-09 1994-05-06 Daikin Ind Ltd 空気調和装置
JPH11153332A (ja) * 1997-11-25 1999-06-08 Matsushita Seiko Co Ltd 多機能空調システム
JP2001304661A (ja) * 2000-04-21 2001-10-31 Daikin Ind Ltd 天井埋込型空気調和機用室内機
JP2004225945A (ja) * 2003-01-20 2004-08-12 Daikin Ind Ltd 空気調和機および空気調和機の制御方法
WO2018189790A1 (fr) * 2017-04-10 2018-10-18 三菱電機株式会社 Dispositif de ventilation pour climatisation, système de climatisation, et procédé de commande

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06123473A (ja) * 1992-10-09 1994-05-06 Daikin Ind Ltd 空気調和装置
JPH11153332A (ja) * 1997-11-25 1999-06-08 Matsushita Seiko Co Ltd 多機能空調システム
JP2001304661A (ja) * 2000-04-21 2001-10-31 Daikin Ind Ltd 天井埋込型空気調和機用室内機
JP2004225945A (ja) * 2003-01-20 2004-08-12 Daikin Ind Ltd 空気調和機および空気調和機の制御方法
WO2018189790A1 (fr) * 2017-04-10 2018-10-18 三菱電機株式会社 Dispositif de ventilation pour climatisation, système de climatisation, et procédé de commande

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