WO2024029015A1 - 室内機、および空気調和機 - Google Patents

室内機、および空気調和機 Download PDF

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Publication number
WO2024029015A1
WO2024029015A1 PCT/JP2022/029882 JP2022029882W WO2024029015A1 WO 2024029015 A1 WO2024029015 A1 WO 2024029015A1 JP 2022029882 W JP2022029882 W JP 2022029882W WO 2024029015 A1 WO2024029015 A1 WO 2024029015A1
Authority
WO
WIPO (PCT)
Prior art keywords
biological information
detection device
information detection
indoor unit
range
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2022/029882
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
淳一 岡崎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to DE112022007626.7T priority Critical patent/DE112022007626T5/de
Priority to PCT/JP2022/029882 priority patent/WO2024029015A1/ja
Priority to US18/844,639 priority patent/US20250198642A1/en
Priority to JP2024538598A priority patent/JPWO2024029015A1/ja
Publication of WO2024029015A1 publication Critical patent/WO2024029015A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • 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
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • 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
    • 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
    • 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
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • 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
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • 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

Definitions

  • the present disclosure relates to an indoor unit and an air conditioner.
  • Patent Document 1 describes a configuration in which a non-contact sleep sensor including a Doppler sensor is externally attached to an indoor unit.
  • the biometric information detecting device In the indoor unit as described above, depending on the position where the biometric information detecting device is placed, it may be difficult to obtain sufficient accuracy in detecting biometric information by the biometric information detecting device.
  • one of the objects of the present disclosure is to provide an indoor unit having a structure that can improve the detection accuracy of biological information by a biological information detection device, and an air conditioner equipped with such an indoor unit. .
  • One aspect of the indoor unit according to the present disclosure is an indoor unit of an air conditioner, which includes a casing in which an air outlet is formed, a heat exchanger housed inside the casing, and a heat exchanger housed in the casing.
  • the air blower includes a blower that is housed inside and sends air to the air outlet, and a biological information detection device capable of detecting biological information regarding the living body from a living body located within a detection range, and the air outlet includes a blower that sends air to the air outlet.
  • the biological information detection device is housed inside the housing, and the detection range of the biological information detection device is provided outside the movable range of the opening/closing section. ing.
  • One aspect of the air conditioner according to the present disclosure includes the above indoor unit and an outdoor unit.
  • FIG. 1 is a schematic diagram showing a schematic configuration of an air conditioner in Embodiment 1.
  • FIG. 1 is a perspective view showing an indoor unit in Embodiment 1.
  • FIG. 1 is a sectional view showing an indoor unit in Embodiment 1.
  • FIG. 1 is a diagram showing a biological information detection sensor in Embodiment 1.
  • FIG. 3 is a schematic diagram for explaining the principle of detection of biological information by the biological information detection device in Embodiment 1.
  • FIG. FIG. 3 is a perspective view showing an indoor unit in Embodiment 2.
  • FIG. FIG. 3 is a sectional view showing an indoor unit in Embodiment 2.
  • the drawings appropriately indicate an X axis, a Y axis, and a Z axis.
  • the X-axis indicates one of the horizontal directions.
  • the Y axis indicates the other horizontal direction.
  • the Z axis indicates the vertical direction.
  • the horizontal direction along the X-axis will be referred to as the "back-and-forth direction ”.
  • the front-rear direction X, the left-right direction Y, and the vertical direction Z are directions that are orthogonal to each other.
  • the side of the vertical direction Z that the Z-axis arrow points to (+Z side) is referred to as the upper side
  • the side of the vertical direction Z that is opposite to the side that the Z-axis arrow points to (-Z side) is referred to as the lower side.
  • the front-rear direction X the side toward which the X-axis arrow points (+X side) is the front side
  • the front-rear direction X the side opposite to the side toward which the X-axis arrow points (-X side) is the rear side.
  • the left-right direction Y is the left-right direction when the indoor unit of the following embodiment is viewed from the front (+X direction).
  • the side of the left-right direction Y that the Y-axis arrow points to (+Y side) is the right side
  • the side of the left-right direction Y that is opposite to the side that the Y-axis arrow points to (-Y side) is the left side
  • FIG. 1 is a schematic diagram showing a schematic configuration of an air conditioner 100 in the first embodiment.
  • the air conditioner 100 includes an outdoor unit 10, an indoor unit 20, and a circulation path section 18.
  • the outdoor unit 10 is placed outdoors.
  • the indoor unit 20 is placed indoors.
  • the outdoor unit 10 and the indoor unit 20 are connected to each other by a circulation path section 18 through which a refrigerant 19 circulates.
  • the air conditioner 100 can adjust the temperature of indoor air by exchanging heat between the refrigerant 19 flowing in the circulation path section 18 and the air in the room where the indoor unit 20 is placed.
  • the refrigerant 19 include a fluorine-based refrigerant or a hydrocarbon-based refrigerant that has a low global warming potential (GWP).
  • GWP global warming potential
  • the outdoor unit 10 includes a housing 11, a compressor 12, a heat exchanger 13, a flow rate adjustment valve 14, a blower 15, a four-way valve 16, and a control section 17. Inside the housing 11, a compressor 12, a heat exchanger 13, a flow rate regulating valve 14, an air blower 15, a four-way valve 16, and a control unit 17 are housed.
  • the compressor 12, the heat exchanger 13, the flow rate adjustment valve 14, and the four-way valve 16 are provided in a portion of the circulation path portion 18 located inside the housing 11.
  • the compressor 12, the heat exchanger 13, the flow rate adjustment valve 14, and the four-way valve 16 are connected by a portion of the circulation path portion 18 located inside the housing 11.
  • the four-way valve 16 is provided in a portion of the circulation path section 18 that is connected to the discharge side of the compressor 12.
  • the four-way valve 16 can reverse the direction of the refrigerant 19 flowing within the circulation path section 18 by switching a part of the circulation path section 18 .
  • the path connected by the four-way valve 16 is the path shown by the solid line in the four-way valve 16 in FIG. 1
  • the refrigerant 19 flows in the circulation path section 18 in the direction shown by the solid line arrow in FIG.
  • the path connected by the four-way valve 16 is the path shown by the broken line in the four-way valve 16 in FIG. 1
  • the refrigerant 19 flows in the circulation path portion 18 in the direction shown by the broken line arrow in FIG.
  • the indoor unit 20 includes a housing 21, a heat exchanger 22, a blower 23, and a control section 24.
  • the housing 21 accommodates a heat exchanger 22, a blower 23, and a control unit 24 therein.
  • the indoor unit 20 is capable of a cooling operation that cools the air in the room where the indoor unit 20 is placed, and a heating operation that warms the air in the room where the indoor unit 20 is placed.
  • the refrigerant 19 flowing within the circulation path section 18 flows in the direction shown by the solid arrow in FIG. 1. That is, when the indoor unit 20 is operated for cooling, the refrigerant 19 flowing in the circulation path section 18 is transferred to the compressor 12, the heat exchanger 13 of the outdoor unit 10, the flow rate adjustment valve 14, and the heat exchanger 22 of the indoor unit 20. are circulated in this order and returned to the compressor 12.
  • the heat exchanger 13 in the outdoor unit 10 functions as a condenser
  • the heat exchanger 22 in the indoor unit 20 functions as an evaporator.
  • the refrigerant 19 flowing within the circulation path section 18 flows in the direction shown by the broken line in FIG. That is, when the indoor unit 20 is operated for heating, the refrigerant 19 flowing in the circulation path section 18 is transferred to the compressor 12, the heat exchanger 22 of the indoor unit 20, the flow rate adjustment valve 14, and the heat exchanger 13 of the outdoor unit 10. are circulated in this order and returned to the compressor 12.
  • the heat exchanger 13 in the outdoor unit 10 functions as an evaporator
  • the heat exchanger 22 in the indoor unit 20 functions as a condenser.
  • FIG. 2 is a perspective view showing the indoor unit 20.
  • FIG. 3 is a sectional view showing the indoor unit 20.
  • the indoor unit 20 is a wall-mounted indoor unit that is fixed to a wall in the room.
  • the indoor unit 20 has a substantially rectangular parallelepiped shape that is long in the left-right direction Y.
  • the housing 21 of the indoor unit 20 has a substantially rectangular parallelepiped box-shaped main body part 21a that is long in the left-right direction Y, and an opening/closing part 21b attached to the main body part 21a.
  • the housing 21 is formed with an inlet 20a and an outlet 20b.
  • the suction port 20a is formed on the upper surface of the main body portion 21a of the housing 21.
  • the air outlet 20b is formed across the lower front portion of the main body portion 21a and the lower front portion of the main body portion 21a.
  • the air outlet 20b opens forward (+X direction) and downward. As shown in FIG. 2, the air outlet 20b extends in the left-right direction Y.
  • the right end of the air outlet 20b is located farther to the left (in the ⁇ Y direction) than the right end of the housing 21.
  • the center of the air outlet 20b in the left-right direction Y is located to the left of the center of the housing 21 in the left-right direction Y.
  • the suction port 20a and the blowout port 20b may be formed anywhere in the housing 21.
  • the air outlet 20b is provided with an opening/closing portion 21b that opens and closes at least a portion of the air outlet 20b.
  • the opening/closing part 21b opens and closes the front side (+X side) opening of the air outlet 20b.
  • the opening/closing portion 21b is attached to the upper edge of the portion of the air outlet 20b that is open to the front surface of the main body portion 21a.
  • the opening/closing part 21b is rotatable around a rotation axis R1 shown in FIG.
  • the rotation axis R1 is a virtual axis extending in the left-right direction Y through a portion of the main body portion 21a to which the opening/closing portion 21b is attached.
  • the opening/closing part 21b is rotated about a rotation axis R1 by a motor (not shown).
  • the motor is controlled by the control unit 24.
  • the opening/closing part 21b constitutes a part of the front wall of the housing 21 when the front (+X side) opening of the air outlet 20b is closed.
  • the opening/closing portion 21b has a substantially rectangular plate shape that is long in the left-right direction Y.
  • the plate surface of the opening/closing part 21b faces in the front-rear direction X when the opening/closing part 21b closes the front opening of the air outlet 20b.
  • 2 and 3 show a state in which the opening/closing part 21b is opened and the front opening of the air outlet 20b is opened forward. In the open state, the opening/closing part 21b projects forward from the main body part 21a. In the opened state, the plate surface of the opening/closing part 21b faces the vertical direction Z. Note that the opening/closing part 21b may be arranged in any manner with respect to the air outlet 20b.
  • the air outlet 20b is provided with vertical wind direction adjustment members 26a, 26b and a left and right wind direction adjustment member 26c.
  • the vertical wind direction adjustment members 26a, 26b and the left and right wind direction adjustment members 26c are wind direction adjustment members that can adjust the direction of air blown out from the air outlet 20b.
  • the vertical wind direction adjustment members 26a and 26b are members for adjusting the direction of the air blown out from the air outlet 20b in the vertical direction Z.
  • the left-right wind direction adjustment member 26c is a member for adjusting the direction in the left-right direction Y of air blown out from the air outlet 20b.
  • the vertical wind direction adjustment members 26a and 26b are plate-shaped and extend in the left-right direction Y.
  • the vertical wind direction adjustment members 26a and 26b are rotatable around axes extending in the left-right direction Y, respectively.
  • the vertical wind direction adjustment members 26a and 26b are each rotated around an axis extending in the left-right direction Y by a motor (not shown).
  • the motor is controlled by the control unit 24.
  • the vertical wind direction adjusting member 26a is located further forward (+X direction) than the vertical wind direction adjusting member 26b.
  • the vertical wind direction adjusting members 26a and 26b are opening/closing parts that open and close a part of the air outlet 20b.
  • the vertical wind direction adjustment members 26a and 26b can open and close the lower opening of the air outlet 20b.
  • the vertical air direction adjusting member 26a can open and close the front portion of the lower opening of the air outlet 20b.
  • the vertical air direction adjustment member 26b can open and close the rear portion of the lower opening of the air outlet 20b.
  • 2 and 3 show a state in which the vertical wind direction adjustment members 26a, 26b open the air outlet 20b.
  • the vertical wind direction adjusting member 26a and the vertical wind direction adjusting member 26b each constitute a part of the lower wall of the housing 21 in a state where a part of the air outlet 20b is closed.
  • the left-right wind direction adjustment member 26c is arranged at the front side (+X side) and lower end of the air outlet 20b.
  • the left-right wind direction adjusting member 26c has a plurality of blade portions 26d arranged at intervals in the left-right direction Y.
  • the plurality of blade portions 26d are plate-shaped with plate surfaces facing in the left-right direction Y.
  • the plurality of blade parts 26d are rotatable around an axis extending in the vertical direction Z.
  • the left and right wind direction adjusting member 26c is rotated around an axis extending in the vertical direction Z by a motor (not shown). The motor is controlled by the control unit 24.
  • the left and right wind direction adjustment member 26c is attached to the up and down wind direction adjustment member 26a.
  • the left-right wind direction adjustment member 26c may be attached to the housing 21.
  • the left-right wind direction adjusting member 26c may be arranged between the vertical wind direction adjusting member 26a and the vertical wind direction adjusting member 26b.
  • the vertical wind direction adjustment members 26a, 26b and the left and right wind direction adjustment members 26c may be arranged in any manner with respect to the air outlet 20b.
  • the blower 23 is housed in the upper part inside the housing 21.
  • the blower 23 is a propeller fan that sends air downward in the vertical direction Z.
  • Two blowers 23 are provided side by side in the left-right direction Y. Note that only one blower 23 may be provided, or three or more blowers 23 may be provided.
  • the blower 23 is located below the suction port 20a.
  • a filter 25 is arranged between the blower 23 and the suction port 20a in the vertical direction Z.
  • a heat exchanger 22 is arranged below the blower 23. Note that the structure and arrangement of the blower 23 and the structure and arrangement of the heat exchanger 22 are not limited to the above and are not particularly limited.
  • the blower 23 By driving the blower 23, indoor air is sucked into the housing 21 from the suction port 20a. Air sucked into the housing 21 from the suction port 20a passes through the filter 25, is sucked into the blower 23, and is sent downward from the blower 23. After the air sent downward from the blower 23 passes through the heat exchanger 22, it is blown into the room from the air outlet 20b. In this way, the blower 23 sends air to the outlet 20b. In the first embodiment, the air outlet 20b is located below the blower 23.
  • a housing portion 28 is formed in a portion of the housing 21 located in front of the blower 23 (in the +X direction).
  • the housing section 28 houses therein a biological information detection device 40, which will be described later.
  • the wall located at the front is a part of the front panel 21 c of the housing 21 .
  • the front panel 21c is made of resin.
  • the housing portion 28 is located at the front (+X side) end of the upper end of the housing 21 .
  • the housing portion 28 extends in the left-right direction Y.
  • the indoor unit 20 includes an indoor information detection device 30 that can detect information about the room in which the indoor unit 20 is installed.
  • the information about the room includes information about the indoor environment itself and information about objects existing in the room.
  • Objects existing in the room include inanimate objects such as furniture and living things (living organisms) such as humans.
  • Information regarding the room includes information such as the presence or absence of a person in the room, the position of the person in the room, and the number of people in the room.
  • the indoor information detection device 30 is provided in a portion of the lower end of the housing 21 located to the right (+Y direction) of the air outlet 20b.
  • the indoor information detection device 30 is provided at the right end of the lower end of the housing 21 .
  • the indoor information detection device 30 has a substantially cylindrical shape extending in the vertical direction Z.
  • the indoor information detection device 30 is movable in the vertical direction Z with respect to the housing 21 and can be switched between a state protruding downward from the lower surface of the housing 21 and a state housed within the housing 21.
  • FIG. 2 shows a state in which the indoor information detection device 30 protrudes downward from the lower surface of the housing 21. In FIG.
  • the indoor information detection device 30 protrudes from the housing 21 and detects information regarding the room.
  • the indoor information detection device 30 has a base portion 31 and a detection main body portion 32.
  • the base portion 31 is a portion connected to the housing 21.
  • the detection main body 32 is attached to the lower end of the base 31.
  • the detection main body part 32 is rotatable around a rotation axis R2 extending in the vertical direction Z with respect to the base part 31.
  • the detection main body portion 32 is movable relative to the housing 21 by rotating around the rotation axis R2 with respect to the base portion 31.
  • the detection main body portion 32 is rotatable by 360° with respect to the base portion 31 around the rotation axis R2.
  • both the base portion 31 and the detection main body portion 32 are movable in the vertical direction Z with respect to the housing 21.
  • the detection main body 32 has one or more non-contact sensors.
  • the non-contact type sensor includes a thermal infrared detection sensor such as a pyroelectric type or a thermoelectromotive force type, a visible light camera, a distance measuring sensor, a light intensity sensor, a microphone, a bolometer, and the like.
  • the non-contact type sensor may be a sensor having an SOI (Silicon On Insulator) structure.
  • the detection main body 32 detects information about the room in which the indoor unit 20 is installed using one or more non-contact sensors.
  • the detection main body 32 detects information inside the room while rotating around the rotation axis R2 with respect to the base 31, for example. Thereby, the indoor information detection device 30 can detect information regarding the room from almost all locations in the room.
  • the detection main body 32 may detect information regarding the room without rotating with respect to the base 31.
  • the indoor information detection device 30 may be immovable in the vertical direction Z with respect to the casing 21, or may always protrude from the casing 21 without being accommodated within the casing 21. Further, the configuration and arrangement of the indoor information detection device 30 are not limited to those described above, and are not particularly limited.
  • the indoor unit 20 includes a cleaning device 50 that cleans the filter 25.
  • the cleaning device 50 is located above the blower 23.
  • a filter 25 is removably built into the cleaning device 50.
  • the cleaning device 50 and the filter 25 constitute a cleaning unit.
  • the cleaning device 50 removes dust and the like attached to the filter 25 using a brush (not shown) while winding up the filter 25. Note that the configuration and arrangement of the cleaning device 50 are not limited to the above and are not particularly limited.
  • the indoor unit 20 includes a biological information detection device 40.
  • the biological information detection device 40 is capable of detecting biological information regarding a living body located within the detection range 44 .
  • the biometric information is not particularly limited as long as it is information related to a living body.
  • the biological information includes the position of the living body, the movement of the living body, the movement of blood flow in the living body, the pulse rate (heart rate) of the living body, and the like. Living organisms are not limited to humans, but also include animals such as dogs and cats.
  • the biological information detection device 40 is housed inside the housing 21.
  • the biological information detection device 40 is housed inside the housing section 28 .
  • the biological information detection device 40 is located above the center of the housing 21 in the vertical direction Z.
  • the biological information detection device 40 is located in front of the center of the housing 21 in the front-rear direction X (in the +X direction).
  • biological information detection device 40 is located in front of blower 23 .
  • the biological information detection device 40 overlaps the blower 23 when viewed in the front-rear direction X.
  • the biological information detection device 40 is located above the heat exchanger 22.
  • the biological information detection device 40 is located below the suction port 20a and above the air outlet 20b.
  • the biological information detection device 40 overlaps the air outlet 20b when viewed in the vertical direction Z.
  • the biological information detection device 40 is located above the front end (+X side) of the air outlet 20b.
  • the biological information detection device 40 is housed inside the housing 21 in a portion of the housing 21 that is closer to the left side (closer to the -Y side) than the center in the left-right direction Y. As shown in FIG.
  • the biological information detection device 40 includes a biological information detection sensor 41 and a sensor holding member 45 that holds the biological information detection sensor 41.
  • the sensor holding member 45 is fixed within the housing section 28.
  • the biological information detection sensor 41 is a Doppler type sensor.
  • FIG. 4 is a diagram showing the biological information detection sensor 41.
  • FIG. 5 is a schematic diagram for explaining the principle of detection of biological information by the biological information detection device 40. Note that FIG. 5 shows a human H as an example of a living body.
  • the biological information detection sensor 41 includes a substrate 42, and a transmitting section 43a and a receiving section 43b provided on the substrate 42.
  • the substrate 42 has a rectangular plate shape. As shown in FIG. 5, the substrate 42 is disposed obliquely in the front-rear direction X with respect to the vertical direction Z. The substrate 42 is located at the front (+X direction) as it goes upward.
  • the plate surface of the substrate 42 is inclined in the front-back direction X with respect to a plane (YZ plane) perpendicular to the front-back direction X.
  • the inclination ⁇ of the plate surface of the substrate 42 with respect to a plane (YZ plane) perpendicular to the front-rear direction X is, for example, approximately 5° or more and 45° or less. Note that the plate surface of the substrate 42 may be orthogonal to the front-rear direction X.
  • the front side (+X side) of the board surfaces of the board 42 is a mounting surface 42a.
  • the mounting surface 42a faces forward and downward.
  • the angle of depression in which the mounting surface 42a faces with respect to the horizontal direction is the same angle as the inclination ⁇ of the board surface of the board 42.
  • FIG. 4 shows a state in which the biological information detection sensor 41 is viewed from the front side in a direction perpendicular to the mounting surface 42a.
  • a transmitter 43a and a receiver 43b are provided on the mounting surface 42a. As shown in FIG. 5, the transmitter 43a is located above and in front (+X direction) of the receiver 43b. Note that the arrangement relationship between the transmitting section 43a and the receiving section 43b is not limited to the above arrangement relationship, and is not particularly limited.
  • the transmitter 43a and the receiver 43b may be arranged side by side in the left-right direction Y, for example.
  • the transmitting section 43a may be located to the right (+Y direction) of the receiving section 43b, or may be located to the left (-Y direction) of the receiving section 43b.
  • the transmitter 43a is an antenna that transmits the signal S1. In the first embodiment, the transmitter 43a transmits the signal S1 forward (+X direction) and downward.
  • the signal S1 is transmitted to the outside of the indoor unit 20 through a front panel 21c made of resin that constitutes the front wall of the housing section 28.
  • the receiving section 43b is an antenna that receives a signal S2, which is a signal S1 transmitted from the transmitting section 43a that hits an object and is reflected.
  • the signal S2 is transmitted from the outside of the indoor unit 20 through the front panel 21c and is received by the receiving section 43b.
  • Signals S1 and S2 are microwaves.
  • the biological information detection device 40 can obtain information regarding the living body by comparing and analyzing the phase of the signal S2 reflected by the living body with the phase of the transmitted signal S1. Information regarding the living body detected by the living body information detection device 40 is sent to the control unit 24.
  • the biological information detection device 40 is electrically connected to the control unit 24 by wiring (not shown). Note that the biological information detection device 40 may send information regarding the biological body to the control unit 24 wirelessly. Furthermore, the configuration and arrangement of the biological information detection device 40 are not limited to the above.
  • the detection range 44 of the biological information detection device 40 is the detection range 44 of the biological information detection sensor 41.
  • the detection range 44 is a range where the signal S1 transmitted from the transmitting section 43a is irradiated and the receiving section 43b can receive the signal S2 reflected after being irradiated.
  • a specific example of the detection range 44 is a design value defined for the biological information detection device 40.
  • the detection range 44 of the biological information detection device 40 is, for example, a range defined as a design value.
  • the detection range 44 extends forward (+X direction) from the biological information detection device 40.
  • the detection range 44 is limited to It spreads forward and diagonally downward.
  • the detection range 44 expands on both sides in the vertical direction Z and on both sides in the left-right direction Y as it moves away from the biological information detection device 40 in the forward and diagonally downward direction.
  • the spread angle ⁇ z of the detection range 44 in the vertical direction Z is, for example, approximately 20° or more and 120° or less.
  • the spread angle ⁇ y of the detection range 44 shown in FIG. 2 in the left-right direction Y is, for example, approximately 90° or more and 170° or less.
  • the spread angle ⁇ y in the left-right direction Y is larger than the spread angle ⁇ z in the vertical direction Z.
  • the biological information detection device 40 is fixed to the housing 21 and does not move relative to the housing 21. Therefore, the detection range 44 of the biological information detection device 40 also does not change.
  • the detection range 44 of the biometric information detection device 40 is set to be somewhat wide, for example, so that biometric information of the person H living in the room where the indoor unit 20 is installed can be easily detected.
  • the opening/closing part 21b in the open state is located outside the detection range 44.
  • the open/close portion 21b in the closed state is also located outside the detection range 44. That is, the detection range 44 of the biological information detection device 40 is provided outside the movable range of the opening/closing part 21b.
  • the opening/closing section 21b is located behind the detection range 44 (in the -X direction).
  • the indoor information detection device 30 is located outside the detection range 44. That is, the detection range 44 of the biological information detection device 40 is provided outside the movable range of the detection main body portion 32 in the indoor information detection device 30.
  • the vertical wind direction adjustment members 26a, 26b and the left and right wind direction adjustment members 26c are located outside the detection range 44. That is, the detection range 44 of the biological information detection device 40 is provided outside the movable range of the vertical wind direction adjustment members 26a, 26b and the left and right wind direction adjustment members 26c, which are wind direction adjustment members.
  • the cleaning device 50 is located outside the detection range 44 . That is, the detection range 44 of the biological information detection device 40 is provided outside the movable range of the cleaning device 50.
  • all movable parts among the parts constituting the indoor unit 20 are located outside the detection range 44.
  • the detection range 44 of the biological information detection device 40 is provided outside the movable range of all movable parts among the parts constituting the indoor unit 20.
  • the movable parts among the parts constituting the indoor unit 20 are parts that can move automatically in response to signals from the control unit 24 and the like.
  • the movable parts include the opening/closing part 21b, the vertical wind direction adjustment members 26a and 26b, the left and right wind direction adjustment members 26c, the blower 23, the detection main body part 32 of the indoor information detection device 30, and the cleaning device 50.
  • the heat exchanger 22 is located outside the detection range 44. That is, the detection range 44 of the biological information detection device 40 is provided in an area outside the heat exchanger 22.
  • control unit 24 is housed inside the right (+Y side) end of the housing 21.
  • the control unit 24 is located to the right (+Y direction) of the air outlet 20b.
  • the control unit 24 controls at least some of the components that make up the indoor unit 20.
  • the control section 24 controls each section of the indoor unit 20. Specifically, the control section 24 controls the blower 23, the opening/closing section 21b, the vertical wind direction adjustment members 26a, 26b, the left and right wind direction adjustment members 26c, the blower 23, the indoor information detection device 30, the cleaning device 50, and the biological information detection device 40. do.
  • the control unit 24 controls at least some of the components that constitute the indoor unit 20 based on the biological information detected by the biological information detection device 40. For example, when the biological information detection device 40 acquires the pulse rate of the human H as the biological information of the human H, the control unit 24 determines the state of the human H according to the magnitude of the pulse rate, and determines the state of the human H. The direction, air volume, and speed of air blown into the room from the indoor unit 20, the set temperature of the indoor unit 20, etc. are adjusted accordingly. For example, when the control unit 24 determines that the human H is in a relaxed state, the control unit 24 controls the blower 23, the vertical wind direction adjusting members 26a, 26b, and the left and right wind direction adjusting members 26c, so that the human H can be more relaxed.
  • control unit 24 determines whether the human H is sleeping or awake based on the biological information detected by the biological information detection device 40, and controls the indoor unit 20 according to the determined state of the human H. The direction of the air blown into the room, the air volume, the air speed, the set temperature of the indoor unit 20, etc. are adjusted.
  • the indoor unit 20 includes the biological information detection device 40 that is capable of detecting biological information related to a living body located within the detection range 44 .
  • the biological information detection device 40 is housed inside the housing 21 .
  • a detection range 44 of the biological information detection device 40 is provided outside the movable range of the opening/closing part 21b. Therefore, even if the opening/closing part 21b moves, the opening/closing part 21b does not enter the detection range 44. As a result, the biological information detection device 40 does not detect the movement of the opening/closing portion 21b, and the detection of biological information by the biological information detection device 40 is not inhibited by the movement of the opening/closing portion 21b.
  • the accuracy of detecting biological information by the biological information detection device 40 can be improved. Furthermore, since the biological information detection device 40 is housed inside the housing 21, the design of the exterior of the indoor unit 20 is improved compared to a case where the biological information detection device 40 is exposed outside the housing 21. You can improve.
  • the indoor unit 20 includes an indoor information detection device 30 that can detect information regarding the room in which the indoor unit 20 is installed.
  • the indoor information detection device 30 has a detection main body portion 32 that is movable relative to the housing 21 .
  • the detection range 44 of the biological information detection device 40 is provided outside the movable range of the detection main body 32 in the indoor information detection device 30. Therefore, the biological information detection device 40 does not detect the movement of the detection main body portion 32, and the detection of biological information by the biological information detection device 40 is not inhibited by the movement of the detection main body portion 32. Therefore, the accuracy of detecting biological information by the biological information detection device 40 can be further improved.
  • the air outlet 20b is provided with vertical air direction adjusting members 26a, 26b and left and right air direction adjusting members 26c as air direction adjusting members that can adjust the direction of the air blown out from the air outlet 20b.
  • the detection range 44 of the biological information detection device 40 is provided outside the movable range of the vertical wind direction adjustment members 26a, 26b and the left and right wind direction adjustment members 26c. Therefore, the biological information detecting device 40 does not detect the movement of the vertical wind direction adjusting members 26a, 26b and the movement of the left and right wind direction adjusting member 26c, and the biological information detecting device 40 cannot detect biological information due to the movement of each wind direction adjusting member. not be hindered. Therefore, the accuracy of detecting biological information by the biological information detection device 40 can be further improved.
  • the indoor unit 20 includes a cleaning device 50 that cleans the filter 25.
  • a detection range 44 of the biological information detection device 40 is provided outside the movable range of the cleaning device 50. Therefore, the biological information detection device 40 does not detect the movement of the cleaning device 50, and the detection of biological information by the biological information detection device 40 is not inhibited by the movement of the cleaning device 50. Therefore, the accuracy of detecting biological information by the biological information detection device 40 can be further improved.
  • the indoor unit 20 is a wall-mounted indoor unit.
  • the air outlet 20b is located below the blower 23.
  • the biological information detection device 40 is located in front of the blower 23.
  • the detection range 44 of the biological information detection device 40 extends forward from the biological information detection device 40 . Therefore, the blower 23 does not enter the detection range 44.
  • the biological information detecting device 40 does not detect the movement of the blower 23, and the movement of the blower 23 does not inhibit the biological information detecting device 40 from detecting biological information. Therefore, the accuracy of detecting biological information by the biological information detection device 40 can be further improved.
  • the air outlet 20b is located below the blower 23 and the biological information detection device 40 is arranged in front of the air blower 23
  • the air sent from the blower 23 to the air outlet 20b in the indoor unit 20 hits the portion of the indoor unit 20.
  • the detection of biological information by the biological information detection device 40 can be further suppressed from being inhibited, and the detection accuracy of biological information by the biological information detection device 40 can be further improved.
  • the detection range 44 of the biological information detection device 40 extends forward and diagonally downward from the biological information detection device 40. Therefore, a portion of the indoor space that is located below the wall-mounted indoor unit 20 and relatively close to the indoor unit 20 in the front-rear direction X can be included in the detection range 44 . Therefore, the biometric information detection device 40 can easily detect biometric information of a living body located at a position relatively close to the indoor unit 20 in the front-rear direction X.
  • the biological information detection device 40 is located above the center of the housing 21 in the vertical direction Z. Therefore, the detection range 44 that extends forward and downward from the biological information detection device 40 tends to include a portion of the indoor space that is located relatively far away from the indoor unit 20 in the front direction. This makes it easier for the biological information detection device 40 to detect biological information of a living body located far forward from the indoor unit 20. Further, even if the opening/closing part 21b protrudes forward in the open state as in the first embodiment, the opening/closing part in the open state extends the detection range 44 forward and downward from the biological information detection device 40. 21b, and the detection range 44 can be easily provided outside the movable range of the opening/closing part 21b.
  • the detection range 44 of the biological information detection device 40 is provided outside the movable range of all movable parts among the parts constituting the indoor unit 20. Therefore, the biological information detection device 40 does not detect the movement of any movable parts in the indoor unit 20, and the detection of biological information by the biological information detection device 40 is inhibited by the movable parts in the indoor unit 20. None. Therefore, the detection accuracy of biological information by the biological information detection device 40 can be improved more suitably.
  • the biological information detection device 40 can also remove signals reflected by objects other than a living body to some extent as noise through analysis.
  • the noise becomes large, the detection accuracy of the biological information detection device 40 decreases.
  • the influence of the noise tends to become larger.
  • the movement of the movable parts of the indoor unit 20 is not detected by the biological information detection device 40, and the movement is caused by a signal reflected by an object other than the living body. It is possible to suitably reduce noise. Thereby, the detection accuracy of biological information by the biological information detection device 40 can be suitably improved.
  • the detection range 44 of the biological information detection device 40 is provided in an area outside the heat exchanger 22. Therefore, the signal S1 transmitted from the biological information detection device 40 and the signal S2 received by the biological information detection device 40 are not blocked by the metal heat exchanger 22. Thereby, the signal S1 transmitted from the biological information detection device 40 can be suitably irradiated onto the living body, and the signal S2 reflected by the living body can be suitably received by the living body information detection device 40. Therefore, the detection accuracy of biological information by the biological information detection device 40 can be improved more suitably.
  • the biological information detection device 40 includes the biological information detection sensor 41 as a Doppler type sensor. Therefore, by comparing and analyzing the phase of the signal S1 irradiated to the living body from the biological information detection sensor 41 and the phase of the signal S2 reflected by the living body and received by the biological information detection sensor 41, biological information of the living body can be obtained. can be suitably detected.
  • the indoor unit 20 includes the control section 24.
  • the control unit 24 controls at least some of the components constituting the indoor unit 20 based on the biological information detected by the biological information detection device 40. Therefore, according to the biological information of the living body, that is, the human H, who is present in the room where the indoor unit 20 is installed, the indoor air can be suitably adjusted so that the human H can spend a comfortable time indoors.
  • the detection range 44 of the biological information detection device 40 is a range defined as a design value. Therefore, by designing the design values of the biological information detection device 40 according to the indoor unit 20, the detection range 44 can be easily set. Note that even if the actual detection range of the biological information detection device 40 deviates from the detection range 44 defined as a design value, the actual detection range may be outside the movable range of movable parts such as the opening/closing part 21b. Easy to set up. Therefore, as described above, the accuracy of detecting biological information by the biological information detection device 40 can be suitably improved.
  • FIG. 6 is a perspective view showing the indoor unit 220 in the second embodiment.
  • FIG. 7 is a sectional view showing the indoor unit 220 in the second embodiment. Note that, in the following description, the same components as those in the embodiment described above may be given the same reference numerals as appropriate, and the description thereof may be omitted.
  • the air outlet 220b is formed on the lower surface of the central portion of the main body portion 221a in the longitudinal direction X.
  • the air outlet 220b opens downward.
  • the air outlet 220b extends in the left-right direction Y and is formed over almost the entire lower surface of the housing 221 in the left-right direction Y.
  • the air outlet 220b is provided with vertical wind direction adjustment members 226a, 226b and a left and right wind direction adjustment member 226c.
  • the vertical wind direction adjustment members 226a and 226b are wind direction adjustment members for adjusting the direction of the air blown out from the air outlet 220b in the vertical direction Z, and are also opening/closing parts that can open and close a part of the air outlet 220b, respectively.
  • the left-right wind direction adjustment member 226c is a wind direction adjustment member for adjusting the direction in the left-right direction Y of air blown out from the air outlet 220b.
  • the housing 221 has a housing section 228.
  • the housing portion 228 is located at a lower portion of the front (+X side) end of the housing 221 .
  • the housing portion 228 extends in the left-right direction Y.
  • the front (+X side) wall of the walls forming the housing portion 228 is the lower portion of the front panel 221c of the housing 221.
  • a lower wall portion of the wall portions constituting the accommodating portion 228 is an inclined wall portion 221e.
  • the inclined wall portion 221e extends forward (+X direction) and upward from the front end of the air outlet 220b when viewed in the left-right direction Y.
  • the inclined wall portion 221e is made of resin.
  • control section 224 is housed in the housing section 228.
  • Control unit 224 has the same configuration as control unit 24 of Embodiment 1, except that the control unit 224 is housed in a different position in housing 221.
  • the housing section 228 also houses a device that generates electrically charged water particles (mist), a receiving device that receives signals from the remote controller, and the like.
  • the indoor information detection device 230 is provided at the right (+Y side) end of the inclined wall portion 221e.
  • the other configurations of the indoor information detection device 230 are the same as the other configurations of the indoor information detection device 30 in the first embodiment.
  • the blower 223 is located inside the rear portion of the housing 221 at the center in the vertical direction Z.
  • the blower 223 is a crossflow fan that extends in the left-right direction Y.
  • the blower 223 has an impeller that rotates around an axis extending in the left-right direction Y.
  • the blower 223 is located at the rear (-X direction) of the housing section 228.
  • the blower 223 overlaps the housing portion 228 when viewed in the front-rear direction X.
  • the blower 223 is located at the upper end of the air passage 221d formed within the housing 221.
  • the air passage 221d extends downward and forward from the blower 223 and is connected to the air outlet 220b.
  • a heat exchanger 222 is arranged above the blower 223.
  • the heat exchanger 222 includes a portion located above the blower 223 and a portion located in front (+X direction) of the upper portion of the blower 223.
  • a filter 225 is arranged above the heat exchanger 222. Filter 225 is located between heat exchanger 222 and suction port 220a formed on the top surface of casing 221.
  • the cleaning device 250 is located above the heat exchanger 222.
  • the cleaning device 250 and the filter 225 constitute a cleaning unit.
  • the cleaning device 250 includes a cleaning main body portion 251 that cleans the filter 225 and a filter accommodating portion 252 that accommodates the filter 225.
  • the cleaning main body portion 251 is located at the upper end of the front portion of the housing 221 .
  • the cleaning main body part 251 is located above the housing part 228.
  • the filter accommodating portion 252 extends further rearward (in the ⁇ X direction) than the cleaning main body portion 251.
  • the filter accommodating portion 252 is disposed below and facing the suction port 220a.
  • the biological information detection device 240 is arranged inside the housing section 228. As shown in FIG. 6, the biological information detection device 240 is located in the right side (+Y side) of the housing section 228. The biological information detection device 240 is located to the left ( ⁇ Y direction) of the indoor information detection device 230. As shown in FIG. 7, the biological information detection device 240 is located below the center of the housing 221 in the vertical direction Z. The biological information detection device 240 is located in front of the blower 223 (in the +X direction). The biological information detection device 240 overlaps the lower part of the blower 223 when viewed in the front-rear direction X. Biological information detection device 240 is located below cleaning device 250. The biological information detection device 240 is located ahead of the air outlet 220b, the vertical wind direction adjustment members 226a, 226b, and the left and right wind direction adjustment member 226c.
  • the biological information detection device 240 includes a biological information detection sensor 241.
  • the biological information detection sensor 241 is arranged in the same posture as the biological information detection sensor 41 of the first embodiment, although the position in the housing 221 is different.
  • the biological information detection sensor 241 is a Doppler type sensor as in the first embodiment.
  • a detection range 244 of the biological information detection device 240 extends forward and downward from the biological information detection device 240.
  • the detection range 244 is the same as the detection range 44 of Embodiment 1, except that the position of the biological information detection device 240 serving as a starting point within the housing 221 is different.
  • the detection range 244 of the biological information detection device 240 is provided outside the movable range of movable parts including the vertical wind direction adjustment members 226a and 226b as opening/closing parts. There is. Therefore, similarly to Embodiment 1, the detection accuracy of biological information by the biological information detection device 240 can be improved.
  • the biological information detection device 240 is located below the center of the housing 221 in the vertical direction Z. Therefore, the detection range 244 that extends forward and downward from the biological information detection device 240 tends to include a portion of the indoor space that is located below the indoor unit 220. This makes it easier to detect biological information of a living body located relatively close to the wall-mounted indoor unit 220 in the front-rear direction X.
  • the biological information detection device may have any configuration as long as it can detect biological information related to a living body.
  • the biological information detection device may include a radar type sensor such as an FMCW (Frequency Modulated Continuous Wave) radar type instead of or in addition to the Doppler type sensor in the embodiments described above. good.
  • the biological information detection device may include a thermal infrared detection sensor such as a pyroelectric type or a thermoelectromotive force type, a visible light camera, and a measurement sensor instead of or in addition to the Doppler type sensor in the embodiments described above. It may have one or more sensors such as a distance sensor and a bolometer.
  • the detection range of the biological information detection device is determined based on the plurality of sensors.
  • the detection range of the biological information detection device is, for example, a range where the detection ranges of a plurality of sensors overlap.
  • the biological information detection device has a visible light camera
  • the biological information detected by the visible light camera includes a person's facial color and the like.
  • the biological information detection device may be provided at any position within the casing of the indoor unit as long as the detection range is outside the movable range of the opening/closing part.
  • the biological information detection device may be placed in any orientation within the housing. That is, the position and orientation of the biological information detection device described in each of the embodiments described above are merely examples.
  • the relative positional relationship of each part in the biological information detection device described in each embodiment mentioned above is an example, and the relative positional relationship of each part in the biological information detection device is not particularly limited.
  • the detection range of the biological information detection device is not particularly limited as long as it is provided outside the movable range of the opening/closing part that opens and closes at least a portion of the air outlet.
  • the detection range of the biological information detection device may include the movable range of some movable parts among the parts constituting the indoor unit.
  • the biological information detection device may be attached to the housing via a structure that absorbs vibrations, such as a spring or a sponge. In this case, it is possible to suppress the biological information detection device from vibrating due to the vibration of the indoor unit, and it is possible to suppress a decrease in the detection accuracy of the biological information detection device.
  • the detection range of the biological information detection device provided outside the movable range of the opening/closing part may be a range in which biological information can actually be detected by the biological information detection device.
  • the range in which biometric information can actually be detected by the biometric information detection device may deviate from the detection range defined as a design value in the biometric information detection device. If the detection range of the biological information detection device installed outside the movable range of the opening/closing part is within the range specified as the design value, the detection range specified as the design value may be different from the movable parts such as the opening/closing part mentioned above.
  • the actual detection range of the biological information detection device may be set in any manner as long as the positional relationship is satisfied.
  • the detection range of the biological information detection device installed outside the movable range of the opening/closing part is the range in which biological information can actually be detected by the biological information detecting device
  • the actual detection range is the range of the opening/closing part etc. mentioned above.
  • the detection range defined as a design value in the biological information detection device may be provided in any manner as long as the positional relationship with the movable parts is satisfied.
  • the number of wind direction adjusting members is not particularly limited, and only one, or two or more may be provided.
  • the number of vertical wind direction adjusting members in the above-described embodiment may be one, or three or more.
  • the indoor information detection device may not be provided.
  • a cleaning device for cleaning the filter may not be provided.
  • the indoor unit according to the present disclosure may be any type of indoor unit, and may be an indoor unit installed on a ceiling or a floor-standing indoor unit.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Fluid Mechanics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)
PCT/JP2022/029882 2022-08-04 2022-08-04 室内機、および空気調和機 Ceased WO2024029015A1 (ja)

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DE112022007626.7T DE112022007626T5 (de) 2022-08-04 2022-08-04 Inneneinheit und Klimaanlage
PCT/JP2022/029882 WO2024029015A1 (ja) 2022-08-04 2022-08-04 室内機、および空気調和機
US18/844,639 US20250198642A1 (en) 2022-08-04 2022-08-04 Indoor unit and air conditioner
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