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WO2025005408A1 - Climatiseur - Google Patents

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Publication number
WO2025005408A1
WO2025005408A1 PCT/KR2024/005046 KR2024005046W WO2025005408A1 WO 2025005408 A1 WO2025005408 A1 WO 2025005408A1 KR 2024005046 W KR2024005046 W KR 2024005046W WO 2025005408 A1 WO2025005408 A1 WO 2025005408A1
Authority
WO
WIPO (PCT)
Prior art keywords
blade
motor
air conditioner
air
housing
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.)
Pending
Application number
PCT/KR2024/005046
Other languages
English (en)
Korean (ko)
Inventor
윤성현
임용빈
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to US18/643,375 priority Critical patent/US20250003606A1/en
Publication of WO2025005408A1 publication Critical patent/WO2025005408A1/fr
Anticipated expiration legal-status Critical
Pending 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
    • 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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • 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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • 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
    • F24F11/79—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
    • 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
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • 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
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • 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
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
    • 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
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1453—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with cables, e.g. bowden cables
    • 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
    • F24F13/20—Casings or covers
    • F24F2013/205—Mounting a ventilator fan therein
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/17—Details or features not otherwise provided for mounted in a wall

Definitions

  • an air conditioner is a device that uses a refrigeration cycle to control temperature, humidity, airflow, and distribution suitable for human activities, while removing dust, etc. from the air.
  • the main components that make up the refrigeration cycle include a compressor, condenser, and evaporator.
  • Air conditioners can be divided into separate air conditioners in which the indoor and outdoor units are installed separately, and integrated air conditioners in which the indoor and outdoor units are installed together in a single cabinet.
  • the indoor unit of the separate air conditioner includes a heat exchanger that heat-exchanges air sucked into the panel, a blower that sucks indoor air into the panel and blows the sucked air back into the room, and an exhaust port that discharges the airflow generated by the blower.
  • the direction and speed of the airflow blown through the exhaust port not only affect the rate of temperature change in the indoor area and the temperature difference between areas, but also affect the emotions felt by the user through the airflow.
  • One aspect of the disclosure is to provide an air conditioner capable of implementing various airflow modes.
  • One aspect of the disclosure is to provide an air conditioner capable of implementing various airflow modes without significantly altering its appearance.
  • the front panel which shares the same rotation axis as the blades, can open and close the exhaust port to implement various airflow modes, providing an air conditioner capable of supplying cooling air in all directions without any blind spots.
  • An air conditioner may include: a housing having an air intake port and an air outlet port; a heat exchanger within the housing; a blower within the housing configured to move air through the air intake port to the heat exchanger and then discharge air through the air outlet port; a first motor and a second motor disposed within the housing; a rotary shaft including a first shaft connected to the first motor and a second shaft connected to the second motor; a first blade configured to control a direction of air moved by the blower and discharged from a first portion of the air outlet port, the first blade being disposed on a first side of the rotary shaft and receiving power from the first motor; and a second blade configured to control a direction of air moved by the blower and discharged from a second portion of the air outlet port, the second blade being disposed on a second side of the rotary shaft and receiving power from the second motor.
  • the first motor may be arranged on a first side in the extension direction of the rotating shaft, and the second motor may be arranged on a second side in the extension direction of
  • An air conditioner according to another aspect of the present disclosure may further include a first coupling portion formed at one end of the first blade; and a second coupling portion formed at one end of the second blade, wherein the first coupler and the second coupler may be configured to be coupled to form a shaft structure having a common rotational axis through which the first blade and the second blade can rotate, and the first blade may be on a first side of the shaft structure, and the second blade may be on a second side of the shaft structure.
  • the first coupling portion may be formed at the upper end of the first blade, and the second coupling portion may be formed at the lower end of the second blade.
  • the first motor may be located on one of the left and right sides of the shaft structure, and the second motor may be located on the other of the left and right sides of the shaft structure.
  • An air conditioner according to another aspect of the present disclosure may further include a first insertion hole formed in the first coupling portion to allow the first shaft to be inserted; and a second insertion hole formed in the second coupling portion to allow the second shaft to be inserted.
  • the device may further include an insertion portion formed at an upper end of the first blade to be inserted into the second blade; and a receiving portion formed at a lower end of the second blade corresponding to the insertion portion to receive the insertion portion of the first blade; and the first coupling portion may include a left first coupler on the left side of the insertion portion and a right first coupler on the right side of the insertion portion, and the second coupling portion may include a left second coupler on the left side of the receiving portion and a right second coupler on the right side of the receiving portion.
  • An air conditioner according to another aspect of the present disclosure may further include a first fixed panel disposed within the housing and to which the first motor is coupled; and a second fixed panel disposed within the housing and to which the second motor is coupled.
  • the second blade is a front panel of the housing configured to cover the second portion of the air outlet, and the front panel can be rotated about a common rotation axis with the blade.
  • the above first blade and the above second blade can be arranged along the left and right directions of the air outlet.
  • the first motor and the second motor may both be arranged on the left side of the shaft structure, or both may be arranged on the right side of the shaft structure.
  • An air conditioner according to another aspect of the present disclosure may further include a belt connecting the second shaft and the second blade.
  • the first motor and the second motor may be arranged along the front-rear direction of the air conditioner, the first shaft may protrude from the first motor toward the first blade and connect the first motor to the first blade, and the second shaft may protrude from the second motor and be coupled to the second blade by the belt.
  • the first blade and the second blade may be configured to cover the air outlet together, and the first coupling portion and the second coupling portion may be positioned at the air outlet.
  • An air conditioner according to another aspect of the present disclosure may further include an exhaust passage formed between the blower and the air outlet within the housing to guide movement of air from the blower to the air outlet, and the first shaft and the second shaft may be positioned in the exhaust passage.
  • An air conditioner may further include a controller.
  • the controller may be configured to control the first motor and the second motor to rotate the first shaft to adjust the direction of air discharged from the first portion of the air outlet toward the bottom of the air conditioner by rotating the first blade, or to rotate the second shaft to adjust the direction of air discharged from the second portion of the air outlet toward the front or upper side of the air conditioner by rotating the second blade.
  • the controller may be further configured to control the first motor to rotate the first blade and to control the second blade to rotate the second blade to open the air outlet.
  • the above shaft structure may have a first side and a second side opposite to the first side, and the first motor may be located on the first side and the second motor may be located on the second side.
  • the above first motor and the above second motor can be configured to rotate around a common rotation axis of the first shaft and the above second shaft.
  • An air conditioner according to another aspect of the present disclosure may further include a fixed panel within the housing to which the first motor and the second motor are coupled.
  • An air conditioner may further include a controller.
  • the controller may be configured to control the first motor and the second motor to close the air outlet, such that the first motor rotates the first blade and the second motor rotates the second blade, wherein the first blade may include a first plurality of holes formed such that air discharged from the first portion is discharged through the first plurality of holes when the air outlet is closed, and the second blade may further include a second plurality of holes formed such that air discharged from the second portion is discharged through the second plurality of holes when the air outlet is closed.
  • An air conditioner may include a housing including an outlet and a front panel configured to form a front portion, a heat exchanger accommodated in the housing, a motor disposed in the housing, a rotating shaft connected to the motor, and a blade coupled with the rotating shaft and configured to open and close a portion of the outlet.
  • the above front panel may be configured to rotate about the same axis as the blade to open or close another portion of the outlet.
  • An air conditioner may include a heat exchanger, a housing that accommodates the heat exchanger and has an outlet formed therein, a first motor and a second motor arranged within the housing, a rotary shaft connected to the first motor and the second motor, a first blade arranged on a lower side of the rotary shaft and connected to the first motor and configured to control the direction of air discharged through the outlet, and a second blade arranged on an upper side of the rotary shaft and connected to the second motor and configured to control the direction of air discharged through the outlet.
  • FIG. 1 is a perspective view of an air conditioner according to one embodiment of the disclosure.
  • FIG. 2 is a perspective view of an air conditioner according to one embodiment of the disclosure.
  • FIG. 3 is a perspective view of an air conditioner according to one embodiment of the disclosure.
  • FIG. 4 is an exploded perspective view of an air conditioner according to one embodiment of the disclosure.
  • FIG. 5 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • FIG. 6 is a perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • FIG. 7 is an exploded perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • FIG. 9 is an exploded perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • FIG. 10 is an exploded perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • FIG. 11 is an enlarged cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • Fig. 12 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • Fig. 13 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • Fig. 14 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • Fig. 15 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • Fig. 16 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • Fig. 17 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • Fig. 18 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • Fig. 19 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • FIG. 20 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • FIG. 21 is a schematic diagram illustrating wind direction in an air conditioner according to one embodiment of the disclosure.
  • Fig. 22 is a schematic diagram showing the wind direction in an air conditioner according to one embodiment of the disclosure.
  • Fig. 23 is a schematic diagram showing wind direction in an air conditioner according to one embodiment of the disclosure.
  • FIG. 24 is a perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • FIG. 25 is a perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • FIG. 26 is an enlarged perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • Fig. 27 is an exploded perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • Fig. 28 is an exploded perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • FIG. 29 is a perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • FIG. 30 is an exploded perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • Fig. 31 is a control block diagram of an air conditioner according to one embodiment of the disclosure.
  • each of the phrases “A or B”, “at least one of A and B”, “at least one of A or B”, “A, B, or C”, “at least one of A, B, and C”, and “at least one of A, B, or C” can include any one of the items listed together in that phrase, or all possible combinations of them.
  • a component e.g., a first component
  • another component e.g., a second component
  • the component can be connected to the other component directly (e.g., wired), wirelessly, or through a third component.
  • An air conditioner is a device that performs functions such as air purification, ventilation, humidity control, cooling or heating in an air-conditioned space (hereinafter referred to as “indoor”), and means a device equipped with at least one of these functions.
  • the air conditioner may include a heat pump device to perform a cooling function or a heating function.
  • the heat pump device may include a refrigeration cycle in which a refrigerant is circulated along a compressor, a first heat exchanger, an expansion device, and a second heat exchanger. All components of the heat pump device may be built into a single housing forming the exterior of the air conditioner, and a window air conditioner or a portable air conditioner corresponds to such an air conditioner. On the other hand, some components of the heat pump device may be built into a plurality of housings forming a single air conditioner, and this includes a wall-mounted air conditioner, a stand-alone air conditioner, a system air conditioner, etc.
  • An air conditioner including a plurality of housings may include at least one outdoor unit installed outdoors and at least one indoor unit installed indoors.
  • the air conditioner may be provided such that one outdoor unit and one indoor unit are connected via a refrigerant pipe.
  • the air conditioner may be provided such that one outdoor unit is connected to two or more indoor units via refrigerant pipes.
  • the air conditioner may be provided such that two or more outdoor units and two or more indoor units are connected via a plurality of refrigerant pipes.
  • the outdoor unit can be electrically connected to the indoor unit.
  • information (or commands) for controlling the air conditioner can be input through an input interface provided on the outdoor unit or the indoor unit, and the outdoor unit and the indoor unit can operate simultaneously or sequentially in response to the user input.
  • the air conditioner may include an outdoor heat exchanger provided in an outdoor unit, an indoor heat exchanger provided in an indoor unit, and a refrigerant pipe connecting the outdoor heat exchanger and the indoor heat exchanger.
  • the outdoor heat exchanger can perform heat exchange between the refrigerant and the outdoor air by utilizing the phase change of the refrigerant (e.g., evaporation or condensation). For example, while the refrigerant condenses in the outdoor heat exchanger, the refrigerant can release heat to the outdoor air, and while the refrigerant flowing in the outdoor heat exchanger evaporates, the refrigerant can absorb heat from the outdoor air.
  • the phase change of the refrigerant e.g., evaporation or condensation
  • Indoor units are installed indoors.
  • indoor units can be classified into ceiling-mounted indoor units, stand-alone indoor units, and wall-mounted indoor units depending on how they are placed.
  • ceiling-mounted indoor units can be classified into 4-way indoor units, 1-way indoor units, and duct-type indoor units depending on how air is discharged.
  • the indoor heat exchanger can perform heat exchange between the refrigerant and indoor air by utilizing the phase change of the refrigerant (e.g., evaporation or condensation).
  • the refrigerant e.g., evaporation or condensation
  • the refrigerant can absorb heat from the indoor air, and the indoor space can be cooled by blowing the cooled indoor air while passing through the cooled indoor heat exchanger.
  • the refrigerant can release heat to the indoor air, and the indoor space can be heated by blowing the heated indoor air while passing through the high-temperature indoor heat exchanger.
  • the air conditioner performs a cooling or heating function through a phase change process of the refrigerant circulating through the outdoor heat exchanger and the indoor heat exchanger.
  • the air conditioner may include a compressor that compresses the refrigerant.
  • the compressor can suck in refrigerant gas through the suction portion and compress the refrigerant gas.
  • the compressor can discharge high-temperature and high-pressure refrigerant gas through the discharge portion.
  • the compressor may be placed inside the outdoor unit.
  • the refrigerant may be circulated through the refrigerant pipes in the order of a compressor, an outdoor heat exchanger, an expansion device, and an indoor heat exchanger, or in the order of a compressor, an indoor heat exchanger, an expansion device, and an outdoor heat exchanger.
  • the refrigerant can be arranged to circulate between one outdoor unit and one indoor unit through the refrigerant pipe.
  • the refrigerant can flow to multiple indoor units through refrigerant pipes branching from the outdoor unit.
  • the refrigerants discharged from multiple indoor units can be combined and circulated to the outdoor unit.
  • multiple indoor units can be directly connected to one outdoor unit in parallel through separate refrigerant pipes.
  • the multiple indoor units can be operated independently according to the operation mode set by the user. That is, some of the multiple indoor units can be operated in cooling mode while others can be operated in heating mode at the same time. At this time, the refrigerant can be selectively introduced into each indoor unit in a high or low pressure state along a designated circulation path through a flow switching valve described later, and discharged and circulated to the outdoor unit.
  • the refrigerant discharged from the multiple outdoor units may join and flow through a single refrigerant pipe before branching off again at some point and flowing into multiple indoor units.
  • the plurality of outdoor units may be driven or at least some of them may not be driven depending on the operating load according to the operating amount of the plurality of indoor units.
  • the refrigerant may be arranged to be introduced into the outdoor unit that is selectively driven through the refrigerant diverter valve and circulated.
  • the air conditioner may include an expansion device to reduce the pressure of the refrigerant introduced into the heat exchanger.
  • the expansion device may be placed inside the indoor unit or the outdoor unit, or may be placed in both.
  • the expansion device can lower the temperature and pressure of the refrigerant by, for example, using the throttling effect.
  • the expansion device can include an orifice that can reduce the cross-sectional area of the passage. The refrigerant passing through the orifice can have its temperature and pressure lowered.
  • the expansion device can be implemented as, for example, an electronic expansion valve capable of controlling the opening ratio (the ratio of the cross-sectional area of the valve's flow path in a partially open state to the cross-sectional area of the valve's flow path in a fully open state).
  • the opening ratio the ratio of the cross-sectional area of the valve's flow path in a partially open state to the cross-sectional area of the valve's flow path in a fully open state.
  • the opening ratio of the electronic expansion valve the amount of refrigerant passing through the expansion device can be controlled.
  • the air conditioner may further include a flow diverter valve disposed on the refrigerant circulation path.
  • the flow diverter valve may include, for example, a 4-way valve.
  • the flow diverter valve may determine the circulation path of the refrigerant depending on the operating mode of the indoor unit (for example, cooling operation or heating operation).
  • the flow diverter valve may be connected to the discharge port of the compressor.
  • the air conditioner may include an accumulator.
  • the accumulator may be connected to the suction side of the compressor.
  • the accumulator may receive low temperature, low pressure refrigerant vaporized in an indoor heat exchanger or an outdoor heat exchanger.
  • the accumulator can separate the refrigerant liquid from the refrigerant gas when the refrigerant, which is a mixture of refrigerant liquid and refrigerant gas, is introduced, and provide the refrigerant gas from which the refrigerant liquid has been separated to the compressor.
  • An outdoor fan may be provided near the outdoor heat exchanger.
  • the outdoor fan may blow outdoor air to the outdoor heat exchanger to promote heat exchange between the refrigerant and the outdoor air.
  • the outdoor unit of the air conditioner may include at least one sensor.
  • the sensor of the outdoor unit may be provided as an environment sensor.
  • the outdoor unit sensor may be placed at any location inside or outside the outdoor unit.
  • the outdoor unit sensor may include a temperature sensor for detecting air temperature around the outdoor unit, a humidity sensor for detecting air humidity around the outdoor unit, a refrigerant temperature sensor for detecting refrigerant temperature of a refrigerant pipe passing through the outdoor unit, or a refrigerant pressure sensor for detecting refrigerant pressure of a refrigerant pipe passing through the outdoor unit.
  • An outdoor unit of an air conditioner may include an outdoor unit communication unit.
  • the outdoor unit communication unit may be provided to receive a control signal from a control unit of an indoor unit of the air conditioner, which will be described later.
  • the outdoor unit may control the operation of a compressor, an outdoor heat exchanger, an expansion device, a plenum switching valve, an accumulator, or an outdoor fan based on the control signal received through the outdoor unit communication unit.
  • the outdoor unit may transmit a sensing value detected from an outdoor unit sensor to the control unit of the indoor unit through the outdoor unit communication unit.
  • An indoor unit of an air conditioner may include a housing, a blower for circulating air into or out of the housing, and an indoor heat exchanger for exchanging heat with air flowing into the interior of the housing.
  • the housing may include an intake port through which indoor air may be drawn into the interior of the housing.
  • the indoor unit of the air conditioner may include a filter provided to filter foreign substances in the air flowing into the housing through the intake port.
  • the housing may include an exhaust port. Air flowing within the housing may be exhausted to the exterior of the housing through the exhaust port.
  • the housing of the indoor unit may be provided with an airflow guide that guides the direction of air discharged through the exhaust port.
  • the airflow guide may include a blade positioned on the exhaust port.
  • the airflow guide may include an auxiliary fan for controlling the exhaust airflow. Without being limited thereto, the airflow guide may be omitted.
  • An indoor heat exchanger and a blower may be provided inside the housing of the indoor unit, which are arranged on a path connecting the intake and exhaust ports.
  • the blower may include an indoor fan and a fan motor.
  • the indoor fan may include an axial fan, a diffusion fan, a crossflow fan, or a centrifugal fan.
  • the indoor heat exchanger may be positioned between the blower and the exhaust, or between the intake and the blower.
  • the indoor heat exchanger may absorb heat from air introduced through the intake, or may transfer heat to air introduced through the intake.
  • the indoor heat exchanger may include heat exchange tubes through which refrigerant flows, and heat exchange fins in contact with the heat exchange tubes to increase the heat transfer area.
  • the indoor unit of the air conditioner may include a drain tray arranged below the indoor heat exchanger to collect condensate generated in the indoor heat exchanger.
  • the condensate collected in the drain tray may be drained to the outside through a drain hose.
  • the drain tray may be provided to support the indoor heat exchanger.
  • the indoor unit of the air conditioner may include an input interface.
  • the input interface may include any type of user input means including buttons, switches, a touch screen, and/or a touch pad.
  • the user may directly input setting data (e.g., desired indoor temperature, operation mode setting of cooling/heating/dehumidification/air purification, outlet selection setting, and/or air volume setting) through the input interface.
  • the input interface may be connected to an external input device.
  • the input interface may be electrically connected to a wired remote controller.
  • the wired remote controller may be installed at a specific location in an indoor space (e.g., a part of a wall).
  • a user may input setting data regarding the operation of the air conditioner by operating the wired remote controller.
  • An electrical signal corresponding to the setting data acquired through the wired remote controller may be transmitted to the input interface.
  • the input interface may include an infrared sensor.
  • a user may input setting data regarding the operation of the air conditioner remotely using the wireless remote controller.
  • the setting data input through the wireless remote controller may be transmitted to the input interface as an infrared signal.
  • the input interface may include a microphone.
  • a user's voice command may be acquired through the microphone.
  • the microphone may convert the user's voice command into an electrical signal and transmit the converted electrical signal to an indoor unit control unit.
  • the indoor unit control unit may control components of the air conditioner to execute a function corresponding to the user's voice command.
  • Setting data acquired through the input interface e.g., desired indoor temperature, operation mode setting of cooling/heating/dehumidification/air purification, outlet selection setting, and/or wind speed setting
  • the setting data acquired through the input interface may be transmitted to the outside, i.e., to an outdoor unit or a server, through an indoor unit communication unit described below.
  • the indoor unit of the air conditioner may include a power module.
  • the power module may be connected to an external power source to supply power to components of the indoor unit.
  • An indoor unit of an air conditioner may include an indoor unit sensor.
  • the indoor unit sensor may be an environmental sensor disposed in a space inside or outside the housing.
  • the indoor unit sensor may include one or more temperature sensors and/or humidity sensors disposed in a predetermined space inside or outside the housing of the indoor unit.
  • the indoor unit sensor may include a refrigerant temperature sensor for detecting a refrigerant temperature of a refrigerant pipe passing through the indoor unit.
  • the indoor unit sensor may include respective refrigerant temperature sensors for detecting an inlet, an intermediate, and/or an outlet temperature of a refrigerant pipe passing through the indoor heat exchanger.
  • each environmental information detected by an indoor unit sensor can be transmitted to the indoor unit control unit described later or transmitted externally through the indoor unit communication unit described later.
  • the indoor unit of the air conditioner may include an indoor unit communication unit.
  • the indoor unit communication unit may include at least one of a short-range communication module and a long-range communication module.
  • the indoor unit communication unit may include at least one antenna for wirelessly communicating with another device.
  • the outdoor unit may include an outdoor unit communication unit.
  • the outdoor unit communication unit may also include at least one of a short-range communication module and a long-range communication module.
  • the short-range wireless communication module may include, but is not limited to, a Bluetooth communication module, a BLE (Bluetooth Low Energy) communication module, a Near Field Communication module, a WLAN (Wi-Fi) communication module, a Zigbee communication module, an infrared (IrDA, infrared Data Association) communication module, a WFD (Wi-Fi Direct) communication module, a UWB (ultrawideband) communication module, an Ant+ communication module, a microwave (uWave) communication module, etc.
  • a Bluetooth communication module a BLE (Bluetooth Low Energy) communication module, a Near Field Communication module, a WLAN (Wi-Fi) communication module, a Zigbee communication module, an infrared (IrDA, infrared Data Association) communication module, a WFD (Wi-Fi Direct) communication module, a UWB (ultrawideband) communication module, an Ant+ communication module, a microwave (uWave) communication module, etc.
  • the long-distance communication module may include a communication module that performs various types of long-distance communication and may include a mobile communication unit.
  • the mobile communication unit transmits and receives a wireless signal with at least one of a base station, an external terminal, and a server on a mobile communication network.
  • the indoor unit communication unit can communicate with external devices such as a server, mobile devices, and other home appliances through a surrounding access point (AP).
  • the access point (AP) can connect a local area network (LAN) to which the air conditioner or user device is connected to a wide area network (WAN) to which the server is connected.
  • the air conditioner or user device can be connected to the server through the wide area network (WAN).
  • the indoor unit of the air conditioner can include an indoor unit control unit that controls components of the indoor unit including a blower, etc.
  • the outdoor unit of the air conditioner can include an outdoor unit control unit that controls components of the outdoor unit including a compressor, etc.
  • the indoor unit control unit can communicate with the outdoor unit control unit through the indoor unit communication unit and the outdoor unit communication unit.
  • the outdoor unit communication unit can transmit a control signal generated by the outdoor unit control unit to the indoor unit communication unit, or transmit a control signal transmitted from the indoor unit communication unit to the outdoor unit control unit.
  • the outdoor unit and the indoor unit can communicate in both directions.
  • the outdoor unit and the indoor unit can transmit and receive various signals generated during the operation of the air conditioner.
  • the outdoor unit control unit can be electrically connected to components of the outdoor unit and can control the operation of each component. For example, the outdoor unit control unit can adjust the frequency of the compressor and control the refrigerant diverting valve to change the circulation direction of the refrigerant. The outdoor unit control unit can adjust the rotation speed of the outdoor fan. In addition, the outdoor unit control unit can generate a control signal for adjusting the opening degree of the expansion valve. Under the control of the outdoor unit control unit, the refrigerant can be circulated along a refrigerant circulation circuit including the compressor, the refrigerant diverting valve, the outdoor heat exchanger, the expansion valve, and the indoor heat exchanger.
  • Various temperature sensors included in the outdoor unit and the indoor unit can transmit electrical signals corresponding to the detected temperature to the outdoor unit control unit and/or the indoor unit control unit, respectively.
  • humidity sensors included in the outdoor unit and the indoor unit can transmit electrical signals corresponding to the detected humidity to the outdoor unit control unit and/or the indoor unit control unit, respectively.
  • the indoor unit control unit can obtain user input from a user device, including a mobile device, through the indoor unit communication unit, and can obtain user input directly or through a remote controller through an input interface.
  • the indoor unit control unit can control components of the indoor unit, including a blower, in response to the received user input.
  • the indoor unit control unit can transmit information about the received user input to the outdoor unit control unit of the outdoor unit.
  • the outdoor unit control unit can control the configurations of the outdoor unit, including the compressor, based on information about the user input received from the indoor unit. For example, when a control signal corresponding to a user input for selecting an operation mode, such as cooling operation, heating operation, ventilation operation, defrosting operation, or dehumidifying operation, is received from the indoor unit, the outdoor unit control unit can control the configurations of the outdoor unit so that the operation of the air conditioner corresponding to the selected operation mode is performed.
  • an operation mode such as cooling operation, heating operation, ventilation operation, defrosting operation, or dehumidifying operation
  • the outdoor unit control unit and the indoor unit control unit may each include a processor and a memory.
  • the indoor unit control unit may include at least one first processor and at least one first memory, and the outdoor unit control unit may include at least one second processor and at least one second memory.
  • the memory can store/remember various information necessary for the operation of the air conditioner.
  • the memory can store instructions, applications, data, and/or programs necessary for the operation of the air conditioner.
  • the memory can store various programs for cooling operation, heating operation, dehumidification operation, and/or defrosting operation of the air conditioner.
  • the memory can include volatile memory such as S-RAM (Static Random Access Memory, S-RAM) and D-RAM (Dynamic Random Access Memory) for temporarily storing data.
  • the memory can include nonvolatile memory such as ROM (Read Only Memory), EPROM (Erasable Programmable Read Only Memory), and EEPROM (Electrically Erasable Programmable Read Only Memory) for long-term storage of data.
  • the processor can generate control signals for controlling the operation of the air conditioner based on instructions, applications, data and/or programs stored in the memory.
  • the processor as hardware, can include logic circuits and arithmetic circuits.
  • the processor can process data according to the program and/or instructions provided from the memory, and generate control signals according to the processing results.
  • the memory and the processor can be implemented as one control circuit or implemented as multiple circuits.
  • An indoor unit of an air conditioner may include an output interface.
  • the output interface is electrically connected to an indoor unit control unit and may output information related to the operation of the air conditioner under the control of the indoor unit control unit. For example, information such as an operation mode, wind direction, wind volume, and temperature selected by a user input may be output.
  • the output interface may output sensing information obtained from an indoor unit sensor or an outdoor unit sensor, and warning/error messages.
  • the output interface may include a display and a speaker.
  • the speaker may be an acoustic device that outputs various sounds.
  • the display may display information input by a user or information provided to a user as various graphic elements. For example, operation information of an air conditioner may be displayed as at least one of an image or text.
  • the display may include an indicator that provides specific information.
  • the display may include a liquid crystal display panel (LCD panel), a light emitting diode panel (LED panel), an organic light emitting diode panel (OLED panel), a micro LED panel, and/or a plurality of LEDs.
  • a wall-mounted air conditioner is described below, the present disclosure is not limited to a wall-mounted air conditioner and can be applied to various air conditioners.
  • FIG. 1 is a perspective view of an air conditioner according to one embodiment of the disclosure.
  • FIG. 2 is a perspective view of an air conditioner according to one embodiment of the disclosure.
  • FIG. 3 is a perspective view of an air conditioner according to one embodiment of the disclosure.
  • Figures 2 and 3 are bottom perspective views of the air conditioner shown in Figure 1.
  • Figure 2 shows a state where the airflow guide of the air conditioner has its exhaust port closed
  • Figure 3 shows a state where the airflow guide of the air conditioner has its exhaust port open.
  • an air conditioner (1) includes a housing (10, 20), an intake port (11), and an exhaust port (12).
  • the housing (10, 20) can form the exterior of the air conditioner (1).
  • An inlet (11) and an outlet (12) can be formed in the housing (10, 20).
  • the inlet (11) and the outlet (12) can be formed on the outer surface and/or the outer wall of the housing (10, 20).
  • the inlet (11) can be formed by opening in the upper portion of the housing (10, 20)
  • the outlet (12) can be formed by opening in the lower portion of the housing (10, 20).
  • a filter can be arranged in the inlet (11) to filter air flowing into the housing (10, 20).
  • the outlet (12) can be opened so that air exits toward the front, upper portion, and/or lower portion of the air conditioner.
  • the outlet (12) can be referred to as an opening (12) of the housing (10, 20).
  • An air conditioner (1) may further include an airflow guide (100).
  • the airflow guide (100) is configured to control the direction of air moved by the blower (30) and discharged to the outlet (12).
  • the airflow guide (100) may cover an opening of the housing (10, 20).
  • the airflow guide (100) may cover an outlet (12) of the housing (10, 20).
  • the airflow guide (100) may cover a lower portion and/or a front portion of the housing (10, 20).
  • the airflow guide (100) may be positioned on the outlet (12).
  • the airflow guide (100) may cover an opening of the housing (10, 20).
  • the airflow guide (100) may cover the outlet (12) of the housing (10, 20).
  • the airflow guide (100) may cover a lower portion and/or a front portion of the housing (10, 20).
  • the airflow guide (100) can open and close the housing (10, 20).
  • the airflow guide (100) can open and close the exhaust port (12) of the housing (10, 20).
  • air can be discharged as a direct wind toward the outside of the housing (10, 20).
  • airflow guide (100) opens the exhaust port (12)
  • air can flow toward the front, upward, and/or downward of the air conditioner.
  • the airflow guide (100) When air is discharged in the low-speed wind mode, minimum wind volume mode, or no-wind mode in the air conditioner (1), the airflow guide (100) may have the outlet (12) closed.
  • the name of the discharge method is not limited to the above-mentioned example. Through this, the user of the air conditioner can achieve the purpose of air conditioning without being directly exposed to the wind, thereby improving user satisfaction.
  • the airflow guide (100) may include a plurality of holes (13). In the minimum wind volume mode of the air conditioner where the airflow guide (100) has the outlet (12) closed, air may also be discharged through the plurality of holes (13) of the airflow guide (100) (see FIG. 11).
  • FIG. 4 is an exploded perspective view of an air conditioner according to one embodiment of the disclosure.
  • FIG. 4 is a perspective view taken from the bottom of an exploded air conditioner according to one embodiment.
  • FIG. 5 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • FIG. 5 is a cross-sectional view taken along line A-A' of the air conditioner illustrated in FIG. 1.
  • an airflow guide (100) may include blades (110, 120).
  • the blades (110, 120) may be positioned on an outlet (12).
  • the blades (110, 120) may cover an opening of a housing.
  • the blades (110, 120) may cover an outlet (12) of the housing.
  • the blades (110, 120) may cover a lower portion and/or a front portion of the housing.
  • the blades (110, 120) may include a first blade (110) and a second blade (120).
  • the first blade (110) may be a lower blade (110)
  • the second blade (120) may be an upper blade (120).
  • the first blade (120) may become the upper blade (120) and the second blade (110) may become the lower blade (110).
  • the blades (110, 120) can open and close the housing (10, 20).
  • the blades (110, 120) can open and close the exhaust port (12) of the housing (10, 20).
  • air can be discharged in a direct wind direction toward the outside of the housing (10, 20).
  • air can flow toward the front, upward, and/or downward of the air conditioner.
  • the blades (110, 120) When air is discharged in the low-speed wind mode, minimum wind volume mode, or no-wind mode in the air conditioner (1), the blades (110, 120) may have the outlet (12) closed.
  • the blades (110, 120) may include a plurality of holes. In the minimum wind volume mode of the air conditioner where the blades (110, 120) have the outlet (12) closed, air may also be discharged through the plurality of holes of the blades (110, 120) (see FIG. 11).
  • the plurality of holes may be distributed over the entire area of the blades (110, 120). However, it is not limited thereto, and the plurality of holes may be distributed over a specific area of the blades (110, 120).
  • the housing (10, 20) may include a first housing (10) and a second housing (20).
  • the first housing (10) may be placed in front of the second housing (20).
  • the first housing (10) may be referred to as a front housing (10).
  • the first housing (10) may cover the second housing (20) and the components within the second housing (20).
  • the first housing (10) may be referred to as a cover housing (10).
  • the first housing (10) can form a front portion, both side portions, and a portion of the upper and lower portions of the housing (10, 20).
  • An exhaust port (12) through which air is discharged can be formed in the front portion and/or the lower portion of the first housing (10).
  • the first housing (10) can include a front portion (10a), a lower portion (10c), and a side portion (10b).
  • the front portion (10a), the lower portion (10c), and the side portion (10b) can cover various components of the air conditioner between the first housing (10) and the second housing (20).
  • An exhaust port (12) can be formed in the front portion (10a) and the lower portion (10c) of the first housing (10).
  • the exhaust port (12) can be formed by being opened in the front portion (10a) and the lower portion (10c).
  • the second housing (20) may be arranged at the rear of the first housing (10).
  • the second housing (20) may be referred to as a rear housing (20).
  • Various components of an air conditioner may be coupled to the second housing (20).
  • the second housing (20) may support various components of the air conditioner.
  • a blower (30) and a heat exchanger (40), etc. may be coupled to the second housing (20), supported by the second housing (20), and accommodated between the first housing and the second housing.
  • the second housing (20) may be referred to as a support housing (20).
  • the second housing (20) may form the rear and upper portions of the housings (10, 20).
  • a suction port (11) may be formed on the upper surface and/or upper wall of the second housing (20).
  • the second housing may further include a suction panel (21).
  • a suction port (11) may be formed on the suction panel (21).
  • An air conditioner may further include a blower (30) and a heat exchanger (40).
  • the blower (30) and the heat exchanger (40) may be accommodated in the housing (10, 20).
  • the blower (30) may blow air so that the air is discharged to the outside of the housing (10, 20) in a direct wind mode or a minimum wind volume mode.
  • the heat exchanger (40) may exchange heat with air introduced into the housing (10, 20) through the intake port (11) and discharge the cooled air through the exhaust port (12).
  • the blower (30) may be placed inside the housing (10, 20).
  • the blower (30) may be a cross-flow fan having the same length direction as the length direction of the housing (10, 20).
  • the blower (30) may blow air so as to suck in air from the intake port (11) and discharge the air through the exhaust port (12).
  • the heat exchanger (40) may be arranged to cover the front and upper side of the blower (30).
  • the heat exchanger (40) may be arranged adjacent to the blower (30).
  • the heat exchanger (40) is preferably arranged between the suction port (11) and the blower (30). Through this, the outside air may be sucked in through the suction port (11), exchanged with the heat exchanger (40), and then discharged to the outside of the housing (10, 20) through the discharge port (12).
  • a drain panel (60) may be provided at the bottom of the heat exchanger (40) so that moisture condensing in the heat exchanger (40) can be collected.
  • the drain panel (60) is connected to a drain hose connected to the outside of the housing (10, 20) so that moisture condensing in the heat exchanger (40) can be discharged to the outside of the housing (10, 20).
  • An air conditioner may further include a stabilizer (50).
  • the stabilizer (50) may include a plurality of fins (51) for guiding air laterally, a link structure (52) for rotating the plurality of fins (51), and a driving device (53) connected to the link structure (52) to rotate the plurality of fins (51).
  • the driving device (53) may be coupled and/or fixed to the second housing (20).
  • the plurality of fins (51) may guide air blown to the exhaust port (12) laterally by left-right rotation.
  • An air conditioner according to one embodiment may further include a drain panel (60).
  • the drain panel (60) allows moisture condensing in the heat exchanger (40) to collect at the bottom of the heat exchanger (40).
  • the drain panel (60) is connected to a drain hose connected to the outside of the housing (10, 20) so that moisture condensing in the heat exchanger (40) can be discharged to the outside of the housing (10, 20).
  • the drain panel (60) may be equipped with a stabilizer (50) that determines the blowing direction of the blower (30).
  • the air conditioner may further include an exhaust path (70).
  • the exhaust path (70) may guide air passing through the heat exchanger (40) and the blower (30) to the exhaust port (12).
  • the exhaust path (70) may be formed within the housing (10, 20).
  • the exhaust path (70) may be formed by the exhaust path guide (22) and the drain panel (60) of the second housing (20).
  • the exhaust path (70) is arranged downstream of the blower (30), and air passing through the exhaust path (70) may be guided to the exhaust port (12).
  • the outlet (12) may include a first outlet (12a) and a second outlet (12b).
  • the outlet (12) is described by dividing it into a first outlet (12a) and a second outlet (12b), but the first outlet (12a) and the second outlet (12b) may be connected to form a single outlet (12).
  • the first outlet (12a) may be positioned lower than the second outlet (12b).
  • the first outlet (12a) may be opened and closed by the first blade (110).
  • the first blade (110) may open the first outlet (12a) to allow air to flow out of the housing (10, 20) through the first outlet (12a) (see FIGS. 15 and 16).
  • the second outlet (12b) may be arranged above the first outlet (12a).
  • the second outlet (12b) may be opened and closed by the second blade (120).
  • the second blade (120) may open the second outlet (12b) to allow air to flow out of the housing (10, 20) through the second outlet (12b) (see FIGS. 17 and 18).
  • the second blade (120) may rotate approximately 90 degrees from the position where the second outlet (12b) is closed.
  • the rotation angle of the second blade (120) is not limited thereto.
  • the air conditioner can also have the first blade (110) open the first outlet (12a) and the second blade (120) open the second outlet (12b) at the same time, so that air is discharged upward, horizontally, and/or downward from the housing (10, 20) at the same time (see FIG. 20).
  • FIG. 6 is a perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • FIG. 7 is an exploded perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • FIG. 8 is an exploded perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • an airflow guide may include a first blade (110) and a second blade (120).
  • the first blade (110) may be positioned below the second blade (120), and the second blade (120) may be positioned above the first blade (110).
  • the first blade (110) may be referred to as a lower blade (110), and the second blade (120) may be referred to as an upper blade (120).
  • the number of blades is not limited to the above example, and may be provided in three or more.
  • An airflow guide (100) may include a motor (130, 140).
  • the motor (130, 140) may further include a first motor (130) and a second motor (140).
  • the first motor (130) and the second motor (140) may be coupled and/or mounted to the first blade (110) and the second blade (120).
  • the first motor (130) and the second motor (140) may be motors capable of bidirectional rotation.
  • the first motor (130) and the second motor (140) can be arranged on a line.
  • the first motor (130) and the second motor (140) can be arranged along the left and right directions. Through this, the first blade (110) and the second blade (120) can be rotated based on a common rotation axis.
  • first motor (130) and the second motor (140) are arranged are not limited to the above example.
  • first motor (130) and the second motor (140) may be arranged only on one side of the left and right directions.
  • Only one motor (130, 140) may be provided. Only one motor (130, 140) may be provided to transmit power to the first blade (110) and the second blade (120). One motor (130, 140) may be selectively connected to the first blade (110) and the second blade (120) through an additional link device so that the first blade (110) and the second blade (120) may open and close the exhaust port (12).
  • the controller (180) described below may control one motor (130, 140) and the link device so that the first blade (110) and the second blade (120) may operate with only one motor.
  • the airflow guide (100) may further include a fixed panel (150).
  • the fixed panel (150) may allow the first motor (130) and the second motor (140) to be fixed within the housing (10, 20).
  • the fixed panel (150) may be accommodated within the housing (10, 20) and coupled with the housing (10, 20).
  • the fixed panel (150) may be positioned adjacent to the discharge port (12).
  • the fixed panel (150) may be a part of the housing (10, 20) or a part of the drain panel (60).
  • the fixed panel (150) may be provided separately from the drain panel (60) so that the motors (130, 140) may be fixed within the housing (10, 20).
  • the shape of the fixed panel (150) is not limited to that illustrated.
  • Figures 7 and 8 are exploded perspective views showing the relationship between the first motor (130) and the first blade (110) and the second blade (120).
  • the first blade (110) may include a body (111), a first coupling portion (112), a first insertion hole (113a, 113b), and an insertion portion (114).
  • a plurality of holes (13) may be formed in the body (111) to implement a minimum airflow mode.
  • the first coupling portion (112) can allow the first blade (110) and the second blade (120) to be coupled.
  • the first coupling portion (112) can be coupled to the second coupling portion (122) of the second blade (120) through the first shaft (161).
  • the first coupling portion (112) can be formed at the upper end of the body (111) of the first blade (110).
  • the first coupling portion (112) can be formed at both the left and right ends of the body (111).
  • the first insertion hole (113a) may be formed in the first joint part (112).
  • the first shaft (161) may be inserted through the first insertion hole (113a) provided on the left side of the airflow guide. Since the first shaft (161) is inserted into the first insertion hole (113a), the first blade (110) may receive driving force from the first motor (130) and rotate around the first shaft (161) as a rotation axis.
  • the first insertion hole (113a) and the first shaft (161) may be formed correspondingly.
  • the insertion portion (114) may be provided between a plurality of first coupling portions (112) provided on the left and right ends of the body (111).
  • the insertion portion (114) may be inserted into the receiving portion (124) of the second blade (120), so that the insertion portion (114) and the receiving portion (124) may form an axial structure having a common rotational axis along which the first blade (110) and the second blade (120) can rotate (see FIGS. 7 to 20).
  • the insertion portion (114) may extend in the left-right direction.
  • the insertion portion (114) may be formed corresponding to the receiving portion (124).
  • the second blade (120) may be a part of the housing (10, 20).
  • the second blade (120) may cover the second outlet (12b) as a part of the housing (10, 20).
  • the second blade (120) may be a front panel (120) included in the housing (10, 20).
  • the front panel (120) may form a front portion and a lower portion of the housing (10, 20).
  • the first blade (110) may be referred to as a blade (110).
  • the front panel (120) may rotate about the same axis as the blade (110).
  • the second blade (120) may include a body (121), a second connecting portion (122), a second insertion hole (123a, 123b), and a receiving portion (124).
  • the body (121) may include a first body portion (121a) and a second body portion (121b).
  • the first body portion (121a) may be provided below the second body portion (121b).
  • the first body portion (121a) may cover a second discharge port (12b) formed in a portion of the lower portion of the housing (10, 20) when the second blade (120) closes the second discharge port (12b).
  • a second coupling portion (122) and a receiving portion (124) may be formed at the lower portion of the first body portion (121a).
  • the first body portion (121a) may be arranged on the same line as the lower portion (10c) of the housing (10, 20).
  • the second body part (121b) may be provided on the first body part (121a).
  • the first body part (121a) and the second body part (121b) may be connected.
  • the second body part (121b) may cover the second discharge port (12b) formed in a part of the front part of the housing (10, 20) in a state where the second blade (120) closes the second discharge port (12b).
  • the second body part (121b) may be arranged on the same line as the front part (10a) of the housing (10, 20).
  • a plurality of holes (13) may be formed in the body (121) to implement a minimum airflow mode.
  • the second coupling part (122) can couple the first blade (110) and the second blade (120).
  • the second coupling part (122) can be coupled to the first coupling part (112) of the first blade (110) through the first shaft (161).
  • the second coupling part (122) can be formed at the bottom of the body (121) of the second blade (120).
  • the second coupling part (122) can cover the first coupling part (112).
  • the second coupling part (122) can be formed at both left and right ends of the body (121).
  • first coupling portion (112) is provided at both ends of the first blade (110) and the second coupling portion (122) is provided at both ends of the second blade (120), the first blade (110) and the second blade (120) can be stably coupled.
  • the second coupling portion (122) may include a first portion (122a) and a second portion (122b).
  • the first portion (122a) may cover the first coupling portion (112).
  • the first portion (122a) may surround the first coupling portion (112).
  • the second portion (122b) may protrude from the first portion (122a) toward the motor.
  • the second portion (122b) may form a second insertion hole (123a).
  • the first portion (122a) may be a base (122a), and the second portion (122b) may be a protrusion (122b).
  • the protrusion (122b) may be inserted through the fastening hole (151).
  • the second insertion hole (123a) is formed in the second connecting portion (122).
  • the first shaft (161) can be inserted through the second insertion hole (123a) provided on the left side of the airflow guide (100). Since the first shaft (161) is inserted into the second insertion hole (123a), the first blade (110) and the second blade (120) can be combined.
  • the receiving portion (124) may be provided between a plurality of second coupling portions (122) provided on the left and right ends of the body (121).
  • the receiving portion (124) may receive the insertion portion (114) of the first blade (110), so that the insertion portion (114) and the receiving portion (124) may form a shaft structure having a common rotational axis along which the first blade (110) and the second blade (120) can rotate. (See FIGS. 7 to 20).
  • the receiving portion (124) may extend in the left-right direction.
  • the receiving portion (124) may be formed corresponding to the insertion portion (114).
  • the first motor (130) may include a motor unit (131) and a fastening unit (132).
  • the motor unit (131) may produce power to rotate the first blade (110).
  • the motor unit (131) may transmit power to the first blade (110) through the first shaft (161).
  • the fastening unit (132) may be provided on both sides of the motor unit (131) to fasten the first motor (130) to the fixed panel (150).
  • An airflow guide may include a rotating shaft (161, 162) connected to a motor (130, 140) to transmit power to the blades (110, 120).
  • the rotating shaft (161, 162) may further include a first shaft (161).
  • the first shaft (161) may be connected to the first motor (130).
  • the first shaft (161) may protrude from the motor unit (131) of the first motor (130) toward the first blade (110) and the second blade (120).
  • the first shaft (161) may be coupled with the first blade (110) and the second blade (120).
  • the first shaft (161) may be inserted into the first coupling portion (112) and the second coupling portion (122) by penetrating the fastening hole (151) of the fixed panel (150).
  • the first shaft (161) may be inserted into the first insertion hole (113a) of the first blade (110) and mounted on the first blade (110) so that the first motor (130) transmits power to the first blade (110).
  • Fig. 9 is an exploded perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • Fig. 10 is an exploded perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • Figs. 9 and 10 are exploded perspective views illustrating the coupling relationship between a second motor (140) and a first blade (110) and a second blade (120).
  • the first coupling portion (112) can couple the first blade (110) and the second blade (120).
  • the first coupling portion (112) can be coupled to the second coupling portion (122) of the second blade (120) through the second shaft (162).
  • the first insertion hole (113b) is formed in the first joint part (112).
  • the first insertion hole (113b) provided on the right side of the airflow guide (100) may be blocked, with a part of the second shaft (162) inserted therein, but the second shaft (162) does not pass through it.
  • the second coupling part (122) can couple the first blade (110) and the second blade (120).
  • the second coupling part (122) can be coupled through the first coupling part (112) of the first blade (110) and the second shaft (162).
  • first coupling portion (112) is provided at both ends of the first blade (110) and the second coupling portion (122) is provided at both ends of the second blade (120), the first blade (110) and the second blade (120) can be stably coupled.
  • the second coupling portion (122) may include a first portion (122a) and a second portion (122b).
  • the first portion (122a) may cover the first coupling portion (112).
  • the second portion (122b) may protrude from the first portion (122a) toward the motor (130, 140).
  • the second portion (122b) may form a second insertion hole (123b).
  • the second insertion hole (123b) is formed in the second joint part (122).
  • the second shaft (162) can be inserted through the second insertion hole (123b) provided on the right side of the airflow guide (100). Since the second shaft (162) is inserted into the second insertion hole (123b), the first blade (110) and the second blade (120) can be combined.
  • the second blade (120) can receive driving force from the second motor (140) and rotate around the second shaft (162) as a rotation axis.
  • the second insertion hole (123b) and the second shaft (162) can be formed correspondingly.
  • the second motor (140) may include a motor unit (141) and a fastening unit (142).
  • the motor unit (141) may produce power to rotate the second blade (120).
  • the motor unit (141) may transmit power to the second blade (120) through the second shaft (162).
  • the fastening unit (142) may be provided on both sides of the motor unit (141) to fasten the second motor (140) to the fixed panel (150).
  • the rotating shaft (161, 162) may further include a second shaft (162).
  • the second shaft (162) may be connected to the second motor (140).
  • the second shaft (162) may protrude from the motor unit (141) of the second motor (140) toward the first blade (110) and the second blade (120).
  • the second shaft (162) may be coupled with the first blade (110) and the second blade (120).
  • the second shaft (162) may be inserted into the first coupling portion (112) and the second coupling portion (122) by penetrating the fastening hole (151) of the fixed panel (150).
  • the second shaft (162) may be inserted into the second insertion hole (123b) of the second blade (120) and mounted on the second blade (120) so that the second motor (140) transmits power to the second blade (120).
  • the first shaft (161) and the second shaft (162) can be extended along the same line. Through this, they can be rotated around a common rotation axis of the first blade (110) and the second blade (120).
  • the upper blade is the second blade (120) and the lower blade is the first blade (110).
  • the upper blade may be the first blade (120) and the lower blade may be the second blade (110).
  • the second connecting portion (122) and the second insertion hole (123a, 123b) of the first blade (120), which is the upper blade (120) may become the first connecting portion (122) and the first insertion hole (123a, 123b), and the first connecting portion (112) and the first insertion hole (113a, 113b) of the second blade (110), which is the lower blade (110), may become the second connecting portion (112) and the second insertion hole (113a, 113b).
  • the first shaft (161) may be referred to as the second shaft (161)
  • the second shaft (162) may be referred to as the first shaft (162).
  • Fig. 11 is an enlarged cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • Fig. 11 is an enlarged view of area B in the air conditioner illustrated in Fig. 5.
  • an airflow guide (100) may cover an exhaust port (12).
  • a first blade (110) may cover a first exhaust port (12a)
  • a second blade (120) may cover a second exhaust port (12b).
  • the first blade (110) may further include an insertion portion (114).
  • the insertion portion (114) may be inserted into the second blade (120) so that the first blade (110) may be mounted on the second blade (120).
  • the insertion portion (114) may be provided at the upper end of the first blade (110).
  • the insertion portion (114) may be provided between a plurality of first coupling portions (112).
  • the insertion portion (114) may be formed corresponding to the receiving portion (124).
  • the insertion portion (114) may include a cylindrical shape.
  • the insertion portion (114) may extend in the left-right direction.
  • the insertion portion (114) may be a rotation axis that serves as a rotation reference for the first blade (110) and the second blade (120).
  • the second blade (120) may further include a receiving portion (124).
  • the receiving portion (124) may be provided at the lower end of the first body (121) of the second blade (120).
  • the receiving portion (124) may allow the first blade (110) to be mounted on the second blade (120).
  • the receiving portion (124) may be a mounting portion (124).
  • the insertion portion (114) may be accommodated in the receiving portion (124).
  • the receiving portion (124) may surround the insertion portion (114).
  • the receiving portion (124) may be provided between a plurality of second coupling portions (122).
  • the receiving portion (124) may be formed corresponding to the insertion portion (114).
  • the receiving portion (124) may be a hollow portion (124).
  • the receiving portion (124) may include an arc shape. Since a part of the receiving portion (124) is open, the insertion portion (114) of the first blade (110) can freely rotate within the receiving portion (124), and the first blade (110) can freely adjust the direction of air discharged from the discharge port (12).
  • the second blade (120) may further include a stopper (126, 127).
  • the stopper (126, 127) may be provided at the lower end of the first body (121a) of the second blade (120).
  • the stopper (126, 127) may guide the rotational position of the first blade (110) and/or the second blade (120). For example, when the first blade (110) opens the first outlet (12a) so that the air conditioner operates in a general airflow mode, the stopper (127) may contact the inner surface (110b, or rear surface) of the first blade (110) to guide the position of the first blade (110) (see FIG. 15).
  • the stopper (126) can guide the position of the first blade (110) by contacting the outer surface (110a, or front) of the first blade (110) (see FIG. 16).
  • the stoppers (126, 127) may include a first stopper (126) and a second stopper (127).
  • the first stopper (126) and the second stopper (127) may be the first and second ends of the receiving portion (124), respectively.
  • the first stopper (126) may be provided at the lower front portion of the first body (121a) when the air conditioner is not operating or is operating in the minimum airflow mode.
  • the first stopper (126) may contact the outer surface (110a, or front) of the first blade (110) in the downward airflow mode to guide the position (P3) of the first blade (110) (see FIG. 17).
  • the second stopper (127) may be provided at the lower rear portion of the first body (121a) when the air conditioner is not operating or is operating in the minimum airflow mode.
  • the second stopper (127) can guide (P2) the position of the first blade (110) by contacting the inner surface (110b, or rear surface) of the first blade (110) in the normal airflow mode (see FIG. 15).
  • first stopper (126) and the second stopper (127) can be arranged along the front-back direction while the air conditioner is not operating or is operating in the minimum airflow mode. Also, for example, the first stopper (126) and the second stopper (127) can be arranged along the up-down direction while the air conditioner is operating in the horizontal airflow mode.
  • the second blade (120) can be a front panel (120) that is a part of the housing (10, 20).
  • the first blade (110) can be a blade (110).
  • the front panel (120) can rotate around the same rotation axis as the blade (110).
  • the rotation axis of the blade (110) can be located at the top of the blade (110) so that the blade (110) can rotate around the top.
  • the rotation axis of the blade (110) can be the insertion portion (114).
  • the rotation axis of the front panel (120) can be located at the bottom of the front panel (120) so that the front panel (120) can rotate around the bottom.
  • the rotation axis of the front panel (120) can be the receiving portion (124).
  • the blade (110) can open and close a portion of the exhaust port (12), and the front panel (120) can open and close another portion of the exhaust port (12).
  • the blade (110) can open and close a first exhaust port (12a), and the front panel (120) can open and close a second exhaust port (12b).
  • the first motor (130) and the second motor (140) can rotate the first blade (110) and the second blade (120) using the insertion portion (114) extending in the left and right directions as a rotation axis.
  • the first blade (110) and the second blade (120) can rotate based on a common rotation axis.
  • the first shaft (161) and the second shaft (162) can be arranged on the same line.
  • the first motor (130), the second motor (140), the first shaft (161), and the second shaft (162) can be arranged on the outer line of the housing (10, 20).
  • the first motor (130), the second motor (140), the first shaft (161), and the second shaft (162) may be positioned on the discharge port (12) so that the exterior of the first housing (10) does not protrude or sink.
  • the first blade (110) and the second blade (120) may cover the discharge port (12), and the first coupling part (112) and the second coupling part (122) may be positioned on the discharge port (12).
  • the arrangement positions of the first motor (130), the second motor (140), the first shaft (161), and the second shaft (162) are not limited to the above-described examples.
  • the first motor (130), the second motor (140), the first shaft (161), and the second shaft (162) may be arranged inside the housing (10, 20). Accordingly, the common rotation axis of the first blade (110) and the second blade (120) may be arranged inside the housing.
  • the first motor (130), the second motor (140), the first shaft (161), and the second shaft (162) may be positioned on the exhaust path (70) so as to be adjacent to the blower (30) and the heat exchanger (40).
  • the common rotation axis of the first blade and the second blade may be positioned on the exhaust path (70) inside the housing (10, 20).
  • the power generated from the first motor (130) and the second motor (140) may be transmitted to the first blade (110) and the second blade (120) through a separate link device or belt device.
  • FIG. 12 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • FIG. 13 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • FIG. 14 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • the first blade (110) and the second blade (120) can rotate around the same axis.
  • the first blade (110) and the second blade (120) are depicted as having the same rotation radius in the drawing, the lengths of the rotation radii of the first blade (110) and the second blade (120) are not limited to being the same, and the first blade (110) and the second blade (120) can have different rotation radii.
  • the first blade (110) may have multiple positions (P1, P2, P3).
  • the first blade (110) may have a first position (P1), a second position (P2), and a third position (P3).
  • the first blade (110) may cover and/or close the first exhaust port (12a) at the first position (P1).
  • the first blade (110) may rotate inward and/or rearward of the housing (10, 20) from the first position (P1) to be positioned at the second position (P2).
  • the first blade (110) may provide a general airflow mode at the second position (P2) to allow air to flow directly to the user (see FIG. 15).
  • the first blade (110) can be rotated from the first position (P1) toward the outside and/or forward of the housing (10, 20) to be positioned at the third position (P3).
  • the first blade (110) can provide a downward airflow mode at the third position (P3) to allow direct downward airflow to the user (see FIG. 16).
  • the first blade (110) can freely rotate about 90 degrees or more about the same axis as the second blade (120) between the second position (P2) and the third position (P3).
  • the mode in which the first blade (110) is freely rotated can be referred to as the first swing mode.
  • the second blade (120) may have multiple positions (P4, P5, P6).
  • the second blade (120) may have a first position (P4), a second position (P5), and a third position (P6).
  • the second blade (120) may cover and/or close the second exhaust port (12b) at the first position (P4).
  • the second blade (120) may rotate from the first position (P4) outward and/or forward of the housing (10, 20) to be positioned at the second position (P5).
  • the second blade (120) may provide an upward airflow mode at the second position (P5) to cause air within the housing (10, 20) to flow upward (see FIG. 17).
  • the second blade (120) can be positioned at the third position (P6) by rotating further outward and/or forward of the housing (10, 20) than the second position (P5) from the first position (P4).
  • the second blade (120) can provide a horizontal airflow mode at the third position (P6) to allow air inside the housing (10, 20) to flow in a horizontal direction (see FIG. 18).
  • the second blade (120) can freely rotate about 90 degrees about the same axis as the second blade (120) between the first position (P4) and the third position (P6).
  • the mode in which the second blade (120) freely rotates can be referred to as a second swing mode.
  • both the first blade (110) and the second blade (120) can rotate by about 90 degrees, the first blade (110) and the second blade (120) can freely rotate around the same rotation axis within a range of about 180 degrees, so that the discharge of cold air can be guided outside the housing without any restriction in the up-down direction.
  • the air conditioner according to one embodiment can provide air inside the housing (10, 20) to the user in various directions without any restriction in the up-down direction according to the user's needs, so that the usability of the air conditioner can be increased.
  • the first swing mode and the second swing mode can be operated simultaneously.
  • Fig. 15 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • Fig. 15 is an enlarged view of an air conditioner according to one embodiment of the disclosure, showing a normal airflow mode.
  • the first blade of the air conditioner of Fig. 15 may be positioned at the second position.
  • the first blade (110) of the airflow guide (100) of the air conditioner can rotate rearward to open the exhaust port (12).
  • the first blade (110) can open the first exhaust port (12a).
  • the first blade (110) receives power from the first motor (130) through the first shaft (161) and can rotate toward the inside of the housing (10, 20) based on the rotation axis provided on the insertion portion (114).
  • the first blade (110) can rotate and/or move from the first position (P1) to the second position (P2).
  • the first blade (110) can directly discharge cold air to a user at the lower side of the housing (10, 20) so that the air conditioner provides a direct airflow mode at the second position (P2).
  • the first blade (110) can rotate to a position where the inner surface (110b, rear) contacts the drain panel (60) in the housing (10, 20) and/or the second stopper (127).
  • the drain panel (60) can be a stopper (60) for the first blade (110).
  • the air conditioner can discharge air toward the lower side of the housing (10, 20) and provide cooled air directly to a space to be cooled (e.g., indoors), thereby quickly providing cooled air to the user.
  • Fig. 16 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • Fig. 16 is an enlarged view of an air conditioner according to one embodiment of the disclosure, showing a downward airflow mode.
  • the first blade of the air conditioner of Fig. 16 may be positioned at a third position.
  • the first blade (110) of the airflow guide (100) of the air conditioner can rotate forward to open the exhaust port (12).
  • the first blade (110) can open the first exhaust port (12a).
  • the first blade (110) receives power from the first motor (130) through the first shaft (161) and can rotate toward the outside of the housing (10, 20) based on the rotation axis provided on the insertion portion (114).
  • the first blade (110) can rotate and/or move from the first position (P1) or the second position (P2) to the third position (P3). At this time, the first blade (110) can rotate in the opposite direction to the rotation direction of the first blade (110) of FIG. 15.
  • the first blade (110) can cause the air conditioner to discharge cool air downwardly of the housing (10, 20) at the third position (P3) so as to provide a downward airflow mode.
  • the downward airflow mode can direct cooled air downward more directly than the general airflow mode.
  • the first blade (110) can cause the air inside the housing (10, 20) to discharge cool air downwardly in a horizontal direction and a vertical direction (e.g., a direction forming a 90 degree angle with the horizontal direction) at the third position (P3).
  • the discharge direction of cool air at the third position (P3) of the first blade (110) is not limited to a horizontal direction and a vertical direction.
  • the rotational position of the first blade (110) can be guided by the contact between the first stopper (126) and the outer surface (110a) of the first blade (110).
  • the contact between the first stopper (126) and the outer surface (110a) of the first blade (110) can prevent the first blade (110) from rotating any further.
  • the air conditioner can discharge air toward the lower side of the housing (10, 20) and provide cooled air directly to a space to be cooled (e.g., indoors), thereby quickly providing cooled air to the user.
  • Fig. 17 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • Fig. 17 is an enlarged view of an air conditioner according to one embodiment of the disclosure, showing an upward airflow mode.
  • the second blade of the air conditioner of Fig. 17 may be positioned at a second position.
  • the second blade (120) of the airflow guide (100) of the air conditioner can rotate forward to open the exhaust port (12).
  • the second blade (120) can open the second exhaust port (12b).
  • the second blade (120) receives power from the second motor (140) through the second shaft (162) and can rotate around a rotation axis provided on the insertion portion (114).
  • the second blade (120) can rotate and/or move from the first position (P4) to the second position (P5).
  • the second blade (120) can cause the air conditioner to discharge cold air upwardly from the second position (P5) so that the air conditioner provides an upward airflow mode.
  • the second blade (120) can cause the air inside the housing (10, 20) to discharge cold air upwardly in a horizontal direction and a vertical direction (e.g., a direction forming a 90 degree angle) from the second position (P5).
  • the discharge direction of cold air from the second position (P5) of the second blade (120) is not limited to a horizontal direction and a vertical direction.
  • the air conditioner can discharge air toward the upper side of the housing (10, 20), and the cooled air is distributed on the ceiling and gradually sinks downward due to its density, enabling overall cooling of the space to be cooled (e.g., indoors).
  • Fig. 18 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • Fig. 18 is an enlarged view of an air conditioner according to one embodiment of the disclosure, showing a horizontal airflow mode.
  • the second blade of the air conditioner of Fig. 18 may be positioned at a third position.
  • the second blade (120) of the airflow guide (100) of the air conditioner can rotate forward to open the exhaust port (12).
  • the second blade (120) can open the second exhaust port (12b).
  • the second blade (120) receives power from the second motor (140) through the second shaft (162) and can rotate around a rotation axis provided on the insertion portion (114).
  • the second blade (120) can rotate and/or move from the first position (P4) or the second position (P5) to the third position (P6).
  • the second blade (120) can rotate at a larger angle forward and/or toward the outside of the housing than the position of the second blade (120) of FIG. 17.
  • the second blade (120) can discharge cold air in a direction horizontal to the housing (10, 20) so that the air conditioner provides a horizontal airflow mode at the third position (P6).
  • the rotational position of the second blade (120) can be guided by the contact between the first stopper (126) and the outer surface (110a) of the first blade (110).
  • the contact between the first stopper (126) and the outer surface (110a) of the first blade (110) can prevent the second blade (120) from rotating any further.
  • the air conditioner can discharge air toward the horizontal direction of the housing (10, 20), and the cooling air located at the upper part of the space to be cooled (e.g., indoor) sinks due to its density, thereby enabling overall cooling of the space.
  • Fig. 19 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • Fig. 19 is an enlarged view of an air conditioner according to one embodiment of the disclosure, showing a minimum airflow mode.
  • the first blade (110) and the second blade (120) of the airflow guide (100) of the air conditioner may close the exhaust port (12).
  • the first blade (110) and the second blade (120) may not rotate.
  • the first blade (110) may be positioned at the first position (P1) and the second blade (120) may be positioned at the first position (P4).
  • cooled air may be discharged through a plurality of minute holes (13) formed in the blades (110, 120).
  • the minimum air volume mode may have an air volume that is 1/10 or less of the amount of cooling air discharged in the upward airflow mode, the horizontal airflow mode, the downward airflow mode, and the general airflow mode.
  • the speed of the air discharged in the minimum air volume mode may be 0.15 m/s, which may provide the user with soft cooling air.
  • the air discharge speed is not limited to the above example.
  • the plurality of holes may be distributed throughout the entire area of the blade (110, 120). However, this is not limited to the case, and the plurality of holes (13) may be distributed only in a specific area of the blade (110, 120).
  • Fig. 20 is a cross-sectional view of an air conditioner according to one embodiment of the disclosure.
  • the first blade of the air conditioner of Fig. 20 may be positioned at a third position, and the second blade may be positioned at a second position or a third position.
  • the first blade (110) and the second blade (120) of the airflow guide (100) of the air conditioner can open the exhaust port (12) at the same time.
  • the air conditioner can rotate the first blade (110) and the second blade (120) at the same time so that the first blade (110) opens the first exhaust port (12a) and the second blade (120) opens the second exhaust port (12b).
  • the first blade (110) can be in a third position (P3) rotated from the first position (P1) toward the outside and/or the front of the housing (10, 20), and the second blade (120) can be in a second position (P5) or a third position (P6) rotated from the first position (P4) toward the outside and/or the front.
  • first blade (110) and the second blade (120) can rotate forward about the rotation axis to simultaneously implement downward airflow and upward airflow.
  • the air conditioner can discharge air toward the upper and lower directions of the housing (10, 20), and the overall cooling of the space to be cooled (e.g., indoors) is possible by causing the cooling air to settle therein, while at the same time, the cooling air is directly provided, enabling faster provision of cooling air.
  • Fig. 21 is a schematic diagram illustrating wind directions in an air conditioner according to one embodiment of the disclosure.
  • Fig. 21 illustrates an air conditioner operated in a normal airflow mode and/or a downward airflow mode.
  • an air conditioner can provide cold air (F) directly toward a user (U).
  • the air conditioner can provide strong cold air to a user (U) who wants a strong cooling effect in a short period of time while operating in a normal airflow mode (see FIG. 15) or a downward airflow mode (see FIG. 16).
  • Fig. 22 is a schematic diagram illustrating wind directions in an air conditioner according to one embodiment of the disclosure.
  • Fig. 22 illustrates an air conditioner operated in an upward airflow mode and/or a horizontal airflow mode.
  • an air conditioner can provide cool air (F) throughout an indoor space by causing air to flow over a user (U) and the heavy air to descend (see FIGS. 17 and 18). Accordingly, if a user wants indirect cool air, the upward airflow mode and/or the horizontal airflow mode can be used, thereby increasing user convenience.
  • Fig. 23 is a schematic diagram showing wind direction in an air conditioner according to one embodiment of the disclosure.
  • Fig. 23 shows an air conditioner operated in a minimum wind speed mode.
  • cold air inside the housing (10, 20) can be discharged through a plurality of holes (13) formed in the blades (110, 120), and while providing cold air (F) as indirect wind to the user (U), the purpose of air conditioning can be achieved throughout the indoor space, thereby improving user satisfaction (see FIG. 19).
  • an air conditioner can guide cold air by rotating the first blade (110) and the second blade (120) at various angles, so that a user can allow the cold air to flow upward into the indoor space and fall downward, receive the cold air as a direct wind, or receive the cold air in a minimum wind speed mode, as needed.
  • both the first discharge port (12a) and the second discharge port (12b) can be opened so that cold air can flow upward into the indoor space while also receiving direct wind downward, so that the air conditioner according to one embodiment can discharge cold air to meet various user needs.
  • FIG. 24 is a perspective view of an airflow guide in an air conditioner according to one embodiment of the disclosure.
  • an air conditioner may include an airflow guide (200).
  • the airflow guide (200) may include a first blade (210), a second blade (220), a third blade (230), and a fourth blade (240).
  • the first blade (210) and the second blade (220) may be arranged along the left-right direction.
  • the third blade (230) and the fourth blade may be arranged along the left-right direction.
  • Each of the first blade (210), the second blade (220), the third blade (230), and the fourth blade (240) can open and close the exhaust port (12).
  • the first blade (210) can open and close the lower right side of the exhaust port (12)
  • the second blade (220) can open and close the lower left side of the exhaust port (12)
  • the third blade (230) can open and close the upper left side of the exhaust port (12)
  • the fourth blade (240) can open and close the upper right side of the exhaust port (12).
  • the air conditioner can implement various airflow modes by controlling each of the first blade (210), the second blade (220), the third blade (230), and the fourth blade (240).
  • the first blade (210) may share the same rotation axis as the third blade (230), and the second blade (220) and the fourth blade (240) may share the same rotation axis.
  • first blade (210) and the third blade (230) may rotate together, or the second blade (220) may rotate together with the fourth blade (240).
  • first blade (210) and the third blade (230) may rotate together, and the second blade (220) and the fourth blade (240) may rotate together.
  • first blade (210) and the third blade (230) may be left blades
  • second blade (220) and the fourth blade (240) may be right blades.
  • the second blade (210) and the fourth blade (240) may be referred to as left blades.
  • FIG. 25 is a bottom perspective view of an airflow guide in an air conditioner according to one embodiment
  • FIG. 26 is an enlarged rear view of the air conditioner according to one embodiment illustrated in FIG. 25
  • FIGS. 27 and 28 are exploded perspective views of the air conditioner according to one embodiment illustrated in FIGS. 25 and 26.
  • an air conditioner may include an airflow guide (300).
  • the airflow guide (300) may include a first motor (130) and a second motor (140).
  • the first motor (130) and the second motor (140) may be placed within the housing (10, 20).
  • the first motor (130) and the second motor (140) may be placed on one side in the left-right direction within the housing (10, 20).
  • the first motor (130) and the second motor (140) may be placed on the left or right side of the first blade (110) and the second blade (120).
  • the first motor (130) and the second motor (140) can be arranged along one line.
  • the first motor (130) and the second motor (140) can be arranged along one direction.
  • the first motor (130) and the second motor (140) can be arranged along the front-back direction.
  • the first motor (130) can be arranged in front of the second motor (140)
  • the second motor (140) can be arranged in the rear of the first motor (130).
  • the airflow guide (300) may further include a fixed panel (150).
  • the fixed panel (150) may further include a fixed projection (152).
  • the fixed projection (152) may protrude toward the motor (130, 140).
  • the fixed projection (152) may support the fastening portion (132, 142) of the motor (130, 140) and may be screw-coupled with the fastening portion (132, 142).
  • the fixed projections (152) may be provided in multiple numbers.
  • the airflow guide (300) may further include a belt (170).
  • the belt (170) may enable power generated from the second motor (140) to be transmitted to the second blade (120).
  • the protrusion (122b) of the second coupling portion (122) may be provided to penetrate the fastening hole (151), and the belt (170) may be provided to wrap around the second shaft (162) and the protrusion (122b) of the second coupling portion (122).
  • the belt (170) may be arranged between the fixed panel (150) and the first motor (130) and the second motor (140).
  • first shaft (161) and the first insertion hole (113) are directly connected to transmit power from the first motor (130) to the first blade (110), and the second shaft (162) is connected to the second coupling part (122) via a belt to transmit power to the second blade (120).
  • first motor (130) and the second motor (140) are placed on either the left or right side of the first blade (110) and the second blade (120), the first motor (130) and the second motor (140) do not occupy the left and right spaces in the housing (10, 20) at the same time, efficient space utilization is possible.
  • FIG. 29 is a bottom perspective view of an airflow guide in an air conditioner according to one embodiment
  • FIG. 30 is an exploded perspective view of the air conditioner according to one embodiment shown in FIG. 29.
  • the first motor (130) and the second motor (140) may be placed within the housing (10, 20).
  • the first motor (130) and the second motor (140) may be placed on one side in the left-right direction within the housing (10, 20).
  • the first motor (130) and the second motor (140) may be placed on the left or right side of the first blade (110) and the second blade (120).
  • the second blade (120) may further include a motor cover (125).
  • the motor cover (125) may be provided to surround the first motor (130).
  • the motor cover (125) may have a cylindrical shape.
  • the motor cover (125) may include a first cover part (125a) and a second cover part (125b).
  • the first cover part (125a) may be arranged on both left and right sides of the first motor (130) while the first motor (130) is arranged within the motor cover (125).
  • the second cover part (125b) may be arranged between the first cover parts (125a) to surround the periphery of the first motor (130).
  • the first cover part (125a) and the second cover part (125b) may form an accommodation space (125c).
  • a first motor (130) can be accommodated in the accommodation space (125c).
  • a fastening hole (125) may be formed in the first cover part (125a).
  • a second shaft (162) may be inserted into the fastening hole (125d).
  • the second shaft (162) may be custom-fitted to the motor cover (125) through the fastening hole (125d) so that power generated from the second motor (140) is transmitted to the second blade (120). Accordingly, as the second motor (140) operates, the motor cover (125) rotates, and the second blade (120) may also rotate.
  • the first motor (130) is positioned closer to the first blade (110) and the second blade (120) than the second motor (140), and the second motor (140) is positioned further away from the first motor (130); however, the positional relationship between the first motor (130) and the second motor (140) is not limited to what is illustrated. Accordingly, the first motor (130) may be positioned farther away from the first blade (110) and the second blade (120) than the second motor (140), and the second motor (140) may be positioned closer to the first motor (130).
  • Fig. 31 is a control block diagram of an air conditioner according to one embodiment of the disclosure.
  • the air conditioner (1) may include a user interface device (80), a controller (180), and a driving device (130, 140).
  • the air conditioner (1) may include a user interface (80) for interacting with a user.
  • the user interface (80) may include at least one input interface and at least one output interface.
  • At least one input interface can convert sensory information received from a user into an electrical signal.
  • At least one input interface may include a power button, an operation button, and a direct airflow mode and a minimum airflow mode setting button.
  • the at least one input interface may include an upward airflow mode, a downward airflow mode, a horizontal airflow mode, a normal airflow mode, and a minimum airflow mode setting button.
  • the at least one input interface may include, for example, a tact switch, a push switch, a slide switch, a toggle switch, a microswitch, a touch switch, a touch pad, a touch screen, a jog dial, and/or a microphone.
  • At least one output interface can transmit various data related to the operation of the air conditioner (1) to the user by generating sensory information.
  • At least one output interface can transmit information related to the operating time, direct airflow mode, and minimum airflow mode of the air conditioner (1) to the user.
  • at least one output interface can transmit information related to the upward airflow mode, downward airflow mode, horizontal airflow mode, normal airflow mode, and minimum airflow mode to the user.
  • At least one output interface can include, for example, a liquid crystal display (LCD) panel, a light emitting diode (LED) panel, a speaker, etc.
  • LCD liquid crystal display
  • LED light emitting diode
  • the driving device (130, 140) may include a motor (130, 140) that provides driving force to the blade to rotate the blade.
  • the motor (130, 140) may operate based on a control signal of the controller (180).
  • the motor (130, 140) may include a first motor (130) and a second motor (140).
  • the first motor (130) may provide driving force to the first blade (110) so that the first blade (110) rotates
  • the second motor (140) may provide driving force to the second blade (120) so that the second blade (120) rotates.
  • the controller (180) can control various components of the air conditioner (1) (e.g., user interface (80), driving device (130, 140), etc.).
  • the controller (180) can control various components of the air conditioner (1) to perform at least one mode including an upward airflow mode, a downward airflow mode, a horizontal airflow mode, a normal airflow mode, a minimum airflow mode, etc. according to a user input.
  • the controller (180) can be an indoor unit control unit.
  • the controller (180) can control the first motor (130) and/or the second motor (140).
  • the controller (180) can control the first motor (130) to rotate the first blade (110) toward the position (P3) of the downward airflow mode and the position (P2) of the normal airflow mode, or control the second motor (140) to rotate the second blade (120) toward the position (P5) of the upward airflow mode and the position (P6) of the horizontal airflow mode, or control the first blade (110) and the second blade (120) so that the first blade (110) and the second blade (120) do not rotate in the minimum airflow mode and the first outlet (12a) and the second outlet (12b) are in closed positions (P1, P4).
  • the first outlet (12a) and the second outlet (12b) can be selectively opened and closed.
  • controller (180) can control the first motor (130) and the second motor (140) simultaneously to open and close the first outlet (12a) and the second outlet (12b) simultaneously.
  • the controller (180) can control the driving device (130, 140) so that the first outlet (12a) or the second outlet (12b) repeatedly opens and closes.
  • the controller (180) can control the first motor (130) and the second motor (140) so that the air conditioner is operated in the first swing mode and/or the second swing mode.
  • the controller (180) can control the first motor (130) so that the first blade (110) repeatedly rotates from the position (P2) in the normal airflow mode to the position (P3) in the downward airflow mode.
  • the controller (180) can control the second motor (140) so that the second blade (120) repeatedly rotates from the position (P4) in the minimum airflow mode to the position (P6) in the horizontal airflow mode.
  • controller (180) can control the driving device (130, 140) so that the first outlet (12a) is sequentially opened and closed and the second outlet (12b) is sequentially opened and closed.
  • controller (180) can control the driving device (130, 140) so that the second outlet (12b) is sequentially opened and closed and the first outlet (12a) is sequentially opened and closed.
  • controller (180) can control the driving device (130, 140) so that the first outlet (12a) and the second outlet (12b) are simultaneously opened and closed.
  • the controller (180) may include hardware such as a CPU, Micom, or memory, and software such as a control program.
  • the controller (180) may include at least one memory storing data in the form of a program, an algorithm for controlling the operation of components in the air conditioner (1), and at least one processor performing the operations described above and the operations to be described below using data stored in the at least one memory.
  • the memory and the processor may each be implemented as separate chips.
  • the processor may include one or more processor chips or one or more processing cores.
  • the memory may include one or more memory chips or one or more memory blocks. In addition, the memory and the processor may be implemented as a single chip.
  • An air conditioner may include a heat exchanger (40), a blower (30) configured to move air to the heat exchanger, a housing (10, 20) that accommodates the heat exchanger and the blower and has an exhaust port (12) formed therein, a first motor (130) and a second motor (140) disposed within the housing, and a rotating shaft (161, 162) including a first shaft (161) connected to the first motor and a second shaft (162) connected to the second motor.
  • An air conditioner may include a first blade (110) configured to control the direction of air moved by the blower and discharged through the outlet, the first blade being arranged on a first side of the rotating shaft and receiving power from the first motor, and a second blade (120) configured to control the direction of air moved by the blower and discharged through the outlet, the second blade being arranged on a second side of the rotating shaft and receiving power from the second motor.
  • the first motor (130) may be arranged on a first side in the extension direction of the rotating shaft (161, 162), and the second motor (140) may be arranged on a second side in the extension direction of the rotating shaft (161, 162).
  • It may further include a first coupling portion (112) formed at one end of the first blade to be coupled with the rotating shaft, and a second coupling portion (122) formed at one end of the second blade to be coupled with the rotating shaft and the first coupling portion.
  • the first coupling portion may be formed at the upper end of the first blade, and the second coupling portion may be formed at the lower end of the second blade.
  • the first motor may be arranged on one of the left and right sides of the first blade and the second blade
  • the second motor may be arranged on the other of the left and right sides of the first blade and the second blade.
  • It may include a first insertion hole (113) formed in the first coupling portion so that the first shaft can be inserted, and a second insertion hole (123) formed in the second coupling portion so that the second shaft can be inserted.
  • the first coupling portions are provided in plurality at both ends along the left-right direction of the first blade
  • the second coupling portions are provided in plurality at both ends along the left-right direction of the second blade
  • the air conditioner may include an insertion portion (114) formed between the plurality of first coupling portions at the upper end of the first blade so as to be inserted into the second blade, and a receiving portion (124) formed corresponding to the insertion portion between the plurality of second coupling portions at the lower end of the second blade so as to receive the insertion portion of the first blade.
  • It may further include a fixed panel (150) disposed within the housing and to which the first motor and the second motor are coupled.
  • the first blade is a blade (110)
  • the second blade is a front panel (120) forming a part of the housing configured to cover the discharge port, and the front panel can be rotated around the same rotational axis as the blade.
  • the above first blade and the above second blade can be arranged along the left and right directions.
  • the first motor (130) and the second motor (140) can be placed on one of the left and right sides of the first blade and the second blade.
  • the first motor and the second motor are arranged along the front-back direction, the first shaft protrudes from the first motor toward the first blade to connect the first motor to the first blade, the second shaft protrudes from the second motor, and may include a belt (170) connecting the second shaft and the second blade.
  • the first blade and the second blade may be configured to cover the discharge port, and the first coupling portion and the second coupling portion may be positioned on the discharge port.
  • the housing further includes an exhaust path (70) formed between the blower and the exhaust port to guide the movement of air from the blower to the exhaust port, and the first shaft and the second shaft can be positioned on the exhaust path.
  • the above controller can open the exhaust port by controlling the first motor and the second motor to simultaneously rotate the first blade and the second blade.
  • An air conditioner may include a housing (10, 20) including an outlet (12) and a front panel (120) configured to form a front portion, a heat exchanger (40) accommodated in the housing, a motor (130, 140) arranged in the housing, a rotation shaft (161, 162) connected to the motor, and a blade (110) coupled with the rotation shaft and configured to open and close a portion of the outlet (12).
  • the front panel (120) may be configured to rotate around the same rotation axis as the blade (110) to open and close another portion of the outlet.
  • It may include a first motor arranged on a first side according to the left-right direction of the blade and a second motor arranged on a second side according to the left-right direction of the blade.
  • a rotary shaft including a first motor and a second motor arranged on one of the left and right sides of the blade, a first shaft protruding from the first motor so that power is transmitted from the first motor to the blade, and a second shaft protruding from the second motor so that power is transmitted from the second motor to the front panel, and a belt connecting the second shaft and the front panel, wherein the first motor and the second motor can be arranged along the front-back direction.
  • It comprises a first motor and a second motor arranged on one of the left and right sides of the blade, a first shaft protruding from the first motor and a second shaft protruding from the second motor to connect the first motor to the blade, and the first motor and the second motor can be arranged along the left and right direction.
  • An air conditioner may include a controller (180) configured to selectively control the first motor to rotate the first blade to guide movement of air within the housing toward a lower portion of the housing, or to selectively control the second motor to rotate the second blade to guide movement of air within the housing toward a front or upper portion of the housing.
  • a controller 180 configured to selectively control the first motor to rotate the first blade to guide movement of air within the housing toward a lower portion of the housing, or to selectively control the second motor to rotate the second blade to guide movement of air within the housing toward a front or upper portion of the housing.
  • an air conditioner in which a front panel sharing the same rotation axis as the blades can open and close an exhaust port, thereby enabling implementation of various airflow modes.
  • the air conditioner can provide cooling air in all directions of 180 degrees without any blind spots by implementing various airflow modes such as an upward airflow mode, a horizontal airflow mode, a downward airflow mode, a normal airflow mode, and a minimum airflow mode. Accordingly, the cooling performance of the air conditioner can be improved, and the usability for users can be greatly increased.
  • the air conditioner can implement various airflow modes, such as an upward airflow mode, a horizontal airflow mode, a downward airflow mode, a normal airflow mode, and a minimum airflow mode.

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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)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

Ce climatiseur peut comprendre : un logement qui possède une entrée d'air et une sortie d'air ; un échangeur de chaleur dans le logement ; une soufflante dans le logement, la soufflante étant configurée pour déplacer de l'air vers l'échangeur de chaleur à travers l'entrée d'air, puis évacuer l'air à travers la sortie d'air ; un premier moteur et un second moteur qui sont disposés dans le logement ; un arbre rotatif qui comprend un premier arbre relié au premier moteur et un second arbre relié au second moteur ; une première pale qui est configurée pour commander la direction de l'air déplacé par la soufflante et évacué d'une première partie de la sortie d'air, et qui est agencée sur un premier côté de l'arbre rotatif pour recevoir de l'énergie transmise par le premier moteur ; et une seconde pale qui est configurée pour commander la direction de l'air déplacé par la soufflante et évacué d'une seconde partie de la sortie d'air, et qui est agencée sur un second côté de l'arbre rotatif pour recevoir de l'énergie transmise par le second moteur. Le premier moteur peut être agencé sur un premier côté dans le sens d'extension de l'arbre rotatif, et le second moteur peut être agencé sur un second côté dans le sens d'extension de l'arbre rotatif.
PCT/KR2024/005046 2023-06-27 2024-04-16 Climatiseur Pending WO2025005408A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US18/643,375 US20250003606A1 (en) 2023-06-27 2024-04-23 Air conditioner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020230083020A KR20250000790A (ko) 2023-06-27 2023-06-27 공기조화기
KR10-2023-0083020 2023-06-27

Related Child Applications (1)

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WO2025005408A1 true WO2025005408A1 (fr) 2025-01-02

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PCT/KR2024/005046 Pending WO2025005408A1 (fr) 2023-06-27 2024-04-16 Climatiseur

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US (1) US20250003606A1 (fr)
KR (1) KR20250000790A (fr)
WO (1) WO2025005408A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108317601A (zh) * 2018-01-12 2018-07-24 青岛海尔空调器有限总公司 壁挂式空调室内机
KR20190087756A (ko) * 2018-01-17 2019-07-25 삼성전자주식회사 공기조화기
CN110822550A (zh) * 2018-07-23 2020-02-21 青岛海尔空调器有限总公司 一种室内机及空调器
CN113701243A (zh) * 2020-05-22 2021-11-26 海信（山东）空调有限公司 一种空调室内机
CN115264590A (zh) * 2022-06-17 2022-11-01 青岛海尔空调器有限总公司 空调

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108317601A (zh) * 2018-01-12 2018-07-24 青岛海尔空调器有限总公司 壁挂式空调室内机
KR20190087756A (ko) * 2018-01-17 2019-07-25 삼성전자주식회사 공기조화기
CN110822550A (zh) * 2018-07-23 2020-02-21 青岛海尔空调器有限总公司 一种室内机及空调器
CN113701243A (zh) * 2020-05-22 2021-11-26 海信（山东）空调有限公司 一种空调室内机
CN115264590A (zh) * 2022-06-17 2022-11-01 青岛海尔空调器有限总公司 空调

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US20250003606A1 (en) 2025-01-02

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