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WO2024219633A1 - Climatiseur et son procédé de commande - Google Patents

Climatiseur et son procédé de commande Download PDF

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Publication number
WO2024219633A1
WO2024219633A1 PCT/KR2024/002488 KR2024002488W WO2024219633A1 WO 2024219633 A1 WO2024219633 A1 WO 2024219633A1 KR 2024002488 W KR2024002488 W KR 2024002488W WO 2024219633 A1 WO2024219633 A1 WO 2024219633A1
Authority
WO
WIPO (PCT)
Prior art keywords
temperature
indoor
air conditioner
air
dew
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/KR2024/002488
Other languages
English (en)
Korean (ko)
Inventor
서범석
이경애
김영진
이효규
주영주
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
Priority claimed from KR1020230123497A external-priority patent/KR20240155721A/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of WO2024219633A1 publication Critical patent/WO2024219633A1/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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
    • F24F1/027—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle mounted in wall openings, e.g. in windows
    • 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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/028—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by air supply means, e.g. fan casings, internal dampers or ducts
    • 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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/0328—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing with means for purifying supplied air
    • F24F1/035—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing with means for purifying supplied air characterised by the mounting or arrangement of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
    • F24F2130/20—Sunlight

Definitions

  • the disclosed invention relates to an air conditioner and a control method therefor, and more particularly, to an air conditioner having an improved structure and a control method therefor.
  • An air conditioner is a device that performs functions such as air purification, ventilation, humidity control, cooling or heating in an air-conditioned space, and means a device equipped with at least one of these functions.
  • An air conditioner can cool or heat a space using a refrigeration cycle.
  • An air conditioner can include a compressor, a condenser, an expansion device, an evaporator, and piping.
  • a refrigerant can circulate through the compressor, condenser, expansion device, and evaporator along the piping.
  • Air conditioners can be divided into separate air conditioners and integrated air conditioners.
  • a separate air conditioner can include an indoor unit placed indoors and an outdoor unit placed outdoors.
  • An integrated air conditioner can have both an indoor unit and an outdoor unit placed in one housing.
  • One aspect of the disclosed invention provides an air conditioner capable of increasing the temperature of discharged air discharged from the air conditioner and increasing the contact area of the discharged air to reduce condensation.
  • An air conditioner may include: a compressor; an indoor heat exchanger; an indoor temperature sensor for detecting an indoor temperature; an outdoor temperature sensor for detecting an outdoor temperature; an indoor humidity sensor for detecting an indoor humidity; a heat exchanger temperature sensor for detecting a temperature of the indoor heat exchanger; and a control unit for determining a dew point temperature based on the detected indoor temperature and indoor humidity, determining a temperature of discharge air based on the determined dew point temperature, the detected temperature of the indoor heat exchanger, and the outdoor temperature, and determining whether to perform a dew formation protection operation based on the determined dew point temperature and the temperature of the discharge air.
  • a control method of an air conditioner comprises: a compressor; an indoor heat exchanger; an indoor temperature sensor for detecting indoor temperature; an outdoor temperature sensor for detecting outdoor temperature; an indoor humidity sensor for detecting indoor humidity; and a heat exchanger temperature sensor for detecting the temperature of the indoor heat exchanger;
  • the control method of an air conditioner may include: determining a dew point temperature based on the detected indoor temperature and indoor humidity; determining a temperature of discharge air based on the determined dew point temperature, the detected temperature of the indoor heat exchanger, and the outdoor temperature; and determining whether to perform a dew formation protection operation based on the determined dew point temperature and the temperature of the discharge air.
  • FIG. 1 is a drawing illustrating an air conditioning system according to one embodiment of the present disclosure.
  • FIG. 2 is a drawing showing an air conditioner according to one embodiment of the present disclosure from one direction.
  • FIG. 3 is a drawing showing an air conditioner according to one embodiment of the present disclosure from another direction.
  • FIG. 4 is a rear view drawing of an air conditioner according to one embodiment of the present disclosure.
  • FIG. 5 is an exploded view of an air conditioner according to one embodiment of the present disclosure.
  • FIG. 6 is an exploded view of an air conditioner according to one embodiment of the present disclosure.
  • FIG. 7 is a cross-sectional view of an air conditioner according to one embodiment of the present disclosure.
  • FIG. 8 is a drawing showing a control block diagram of an air conditioner according to one embodiment of the present disclosure.
  • FIG. 9 is a flowchart showing a method for controlling an air conditioner according to one embodiment of the present disclosure.
  • FIGS. 10 and 11 are flowcharts showing a process of performing dew formation protection control according to one embodiment of the present disclosure.
  • FIG. 12 is a diagram showing control according to dew formation protection according to one embodiment of the present disclosure.
  • FIG. 13 is a flowchart showing terminating dew formation protection control according to one embodiment of the present 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.
  • part can be implemented in hardware or software.
  • a plurality of “parts”, “modules”, and “members” can be implemented as a single component, or a single “part”, “module”, or “member” can include a plurality of components.
  • 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 divided and built into a plurality of housings forming a single air conditioner, and this includes a wall-mounted air conditioner, a standing 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 placed in an outdoor unit, an indoor heat exchanger provided in an indoor unit, and a refrigerant pipe directly or indirectly 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, 2-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 unit can cool the indoor space by blowing the cooled indoor air through the indoor heat exchanger.
  • the refrigerant can release heat to the indoor air, and the indoor unit can heat the indoor space by blowing the heated indoor air through the 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 a gaseous refrigerant (hereinafter referred to as “refrigerant gas”) through a suction portion and compress the refrigerant gas.
  • the compressor can discharge a high-temperature and high-pressure refrigerant gas through a discharge portion.
  • the compressor may be placed inside the outdoor unit.
  • the refrigerant may be circulated through the refrigerant pipes in the order of the compressor, outdoor heat exchanger, expansion device, and indoor heat exchanger, or in the order of the compressor, indoor heat exchanger, expansion device, and outdoor heat exchanger.
  • the refrigerant circulation order may be changed depending on the operating mode of the air conditioner.
  • the refrigerant can be arranged to circulate between one outdoor unit and one indoor unit through the refrigerant pipe.
  • the refrigerant may flow to multiple indoor units through refrigerant pipes branching from the outdoor unit.
  • the refrigerants discharged from multiple indoor units may be combined and circulated to the outdoor unit.
  • multiple indoor units may 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 to be circulated to the outdoor unit.
  • the refrigerants discharged from the multiple outdoor units may merge and flow through a single refrigerant pipe, then branch off at some point and flow 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 plenum switching valve and circulated.
  • the air conditioner may include an expansion device to reduce the pressure of the refrigerant introduced into the indoor heat exchanger or the outdoor 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 flow path as the refrigerant moves from upstream to downstream.
  • 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 refrigerant diverter valve disposed on the refrigerant circulation path.
  • the refrigerant diverter valve may include, for example, a 4-way valve.
  • the refrigerant diverter valve may determine the refrigerant circulation path depending on the operating mode of the indoor unit (for example, cooling operation or heating operation). For example, the refrigerant 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.
  • refrigerant liquid When a mixture of liquid refrigerant (hereinafter referred to as “refrigerant liquid”) and refrigerant gas is introduced into the accumulator, the accumulator can separate the refrigerant liquid from the refrigerant gas and provide the refrigerant gas from which the refrigerant liquid has been separated to the compressor.
  • An outdoor fan may be placed 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 (hereinafter, “outdoor unit sensor”).
  • the outdoor unit sensor 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, for example, 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 generated 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 a control unit of the indoor unit through the outdoor unit communication unit.
  • the outdoor unit communication unit may include at least one of a short-range communication module or a long-range communication module.
  • 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 outlet. Air flowing within the housing may be discharged to the exterior of the housing through the outlet.
  • the indoor unit may include an airflow guide that guides the direction of air discharged through the outlet.
  • the airflow guide may include a blade positioned on the outlet.
  • 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 outlet.
  • 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 placed between the blower and the outlet, 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 surface 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.
  • An indoor unit of an 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.
  • User input for setting data e.g., desired room temperature, operation mode setting for cooling/heating/dehumidification/air purification, outlet selection setting, and/or air volume setting
  • desired room temperature e.g., desired room temperature, operation mode setting for cooling/heating/dehumidification/air purification, outlet selection setting, and/or air volume setting
  • 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).
  • the wired remote controller may receive setting data regarding the operation of the air conditioner as a user input.
  • 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.
  • the wireless remote controller may receive setting data regarding the operation of the air conditioner as a user input.
  • 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, which will be described later.
  • 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 sensor 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 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 the 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 flow switching 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 the refrigerant circulation circuit including the compressor, the flow switching 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 window-type air conditioner installed on a window and/or window frame will be described as an example.
  • the contents of the present disclosure may also be applied to other types of air conditioners.
  • the contents of the present disclosure may also be applied to a portable air conditioner, a wall-mounted air conditioner, a ceiling-type air conditioner, and a floor-type air conditioner.
  • the terms “upper”, “lower”, “front”, “rear”, etc. used in the following description are defined based on the drawings, and the shape and position of each component are not limited by these terms.
  • the direction facing indoors may be defined as forward (+X direction), and the direction in which the air conditioner (3) faces outdoors may be defined as rear (-X direction).
  • the direction facing vertically upward may be defined as upward (+Z direction), and the direction in which the air conditioner (3) faces vertically downward may be defined as downward (-Z direction).
  • the directions parallel to the +Y direction and the -Y direction may be defined as left and right directions based on the drawings.
  • FIG. 1 is a drawing illustrating an air conditioning system according to one embodiment of the present disclosure.
  • an air conditioning system (1) may include a mounting assembly (2).
  • the mounting assembly (2) can be provided to mount an air conditioner (3) to be described later.
  • the mounting assembly (2) can allow the air conditioner (3) to be mounted on the structure (A).
  • the mounting assembly (2) may be provided so as to be installable on the structure (A).
  • the mounting assembly (2) may be provided so as to be mountable on the structure (A).
  • the mounting assembly (2) may be provided so as to be fixed to the structure (A).
  • the mounting assembly (2) may be provided to seal between the air conditioner (3) and the structure (A).
  • the mounting assembly (2) may be provided to seal between the indoor (I) and the outdoors (O).
  • the structure (A) may include a window and/or a window frame.
  • the present disclosure is not limited thereto.
  • the structure (A) may be provided in various ways depending on the type of the air conditioner (3).
  • the structure (A) may include at least one of a wall, a ceiling, or a floor.
  • An air conditioning system (1) may include an air conditioner (3).
  • the air conditioner (3) may be arranged to be mounted on the mounting assembly (2).
  • the air conditioner (3) may be arranged to be mounted on the structure (A) by being mounted on the mounting assembly (2).
  • the air conditioner (3) may be installed on the structure (A) via the mounting assembly (2).
  • the present disclosure is not limited thereto.
  • the air conditioner (3) may be mounted on the structure (A) without the mounting assembly (2).
  • the air conditioner (3) may be arranged to perform the air conditioning function without being mounted on the structure (A).
  • the air conditioner (3) may be provided to cool or heat the room (I).
  • the air conditioner (3) may be provided to exchange heat between indoor air and outdoor air, respectively.
  • the air conditioner (3) may perform a heat exchange operation using a refrigerant cycle, and may be provided to heat-exchange indoor air and a refrigerant, and may be provided to heat-exchange outdoor air and a refrigerant.
  • the air conditioner (3) may be provided to absorb heat from indoor air and transfer heat to outdoor air when cooling the room (I).
  • the air conditioner (3) may be provided to transfer heat to indoor air and absorb heat from outdoor air when heating the room (I).
  • One part of the air conditioner (3) may be arranged to face the interior (I). Another part of the air conditioner (3) may be arranged to face the exterior (O).
  • the air conditioning system (1) described above with reference to FIG. 1 is only an example of a system in which an air conditioner is installed and operates in an air conditioning system according to the concept of the present disclosure, and the concept of the present disclosure is not limited thereto.
  • FIG. 2 is a drawing of an air conditioner according to an embodiment of the present disclosure from one direction.
  • FIG. 3 is a drawing of an air conditioner according to an embodiment of the present disclosure from another direction.
  • FIG. 4 is a drawing of an air conditioner according to an embodiment of the present disclosure from the rear.
  • FIG. 5 is an exploded view of an air conditioner according to an embodiment of the present disclosure.
  • FIG. 6 is an exploded view of an air conditioner according to an embodiment of the present disclosure.
  • FIG. 7 is a cross-sectional view of an air conditioner according to an embodiment of the present disclosure.
  • an air conditioner (3) may include a housing (10).
  • the housing (10) may be provided to form the overall appearance of the air conditioner (3).
  • the housing (10) may form at least a portion of the outer surface of the air conditioner (3).
  • the housing (10) may be provided to accommodate various components of the air conditioner (3) therein.
  • the housing (10) may have an approximately box shape.
  • the housing (10) may include a front case (11).
  • the housing (10) may include a rear case (12).
  • the front case (11) may be provided to be detachably coupleable to the rear case (12).
  • the front case (11) may be arranged to face the interior (I, see Fig. 1).
  • the front case (11) may be arranged to form at least a part of the front portion of the exterior of the air conditioner (3).
  • the rear case (12) may be arranged to face the outside (O, see FIG. 1).
  • the rear case (12) may be arranged to form at least a portion of the rear exterior of the air conditioner (3).
  • the housing (10) may include a front panel (14).
  • the front panel (14) may form at least a portion of the front surface of the housing (10).
  • a second discharge port (11b), which will be described later, may be formed in the front panel (14).
  • the front panel (14) may be covered at least in part by the discharge panel (50) described below.
  • the front panel (14) may be substantially entirely covered by the discharge panel (50), so that the front panel (14) may not be exposed to the front exterior of the air conditioner (3).
  • the present invention is not limited thereto, and the front panel (14) may have a part thereof covered by the discharge panel (50), while another part thereof is not covered by the discharge panel (50) and is exposed to the outside to form a part of the front exterior of the air conditioner (3).
  • the housing (10) may include a top panel (15).
  • the top panel (15) may form the upper surface of the air conditioner (3).
  • the housing (10) may include a first side panel (16).
  • the first side panel (16) may form a right side among the two sides in the horizontal direction (Y direction) of the air conditioner (3).
  • the housing (10) may include a second side panel (17).
  • the second side panel (17) may form a left side among the two sides in the horizontal direction (Y direction) of the air conditioner (3).
  • the second side panel (17) may be provided on the opposite side of the first side panel (16).
  • the housing (10) may include a rear panel (18).
  • the rear panel (18) may form the rear of the air conditioner (3).
  • the housing (10) may include a base (13).
  • the base (13) may form a lower surface of the air conditioner (3).
  • the base (13) may be arranged to support at least a portion of a component arranged inside the air conditioner (3).
  • the housing (10) may include a top cover (19).
  • the top cover (19) may be provided to form a portion of the upper surface and/or a portion of the rear surface of the air conditioner (3).
  • the housing (10) may not include a separate top cover (19).
  • the top cover (19) may be provided as a component of the top panel (15) or as a component of the rear panel (18).
  • a portion of the top cover (19) may be provided as a component of the top panel (15), and another portion of the top cover (19) may be provided as a component of the rear panel (18).
  • the front case (11) is illustrated as including a front panel (14), a top panel (15), a first side panel (16), and a second side panel (17), but the present disclosure is not limited thereto.
  • the front case (11) may be formed to include only the front panel (14) and the top panel (15).
  • the front case (11) may further include other configurations in addition to the front panel (14), the top panel (15), the first side panel (16), and the second side panel (17).
  • the rear case (12) is illustrated as including a rear panel (18), a base (13), and a top cover (19), but the present disclosure is not limited thereto.
  • the rear case (12) may be formed to include only the rear panel (18).
  • the rear case (12) may further include other configurations in addition to the rear panel (18), the base (13), and the top cover (19).
  • the housing (10) of the air conditioner (3) described above is only an example of a housing provided in an air conditioner according to the concept of the present disclosure, and the concept of the present disclosure is not limited thereto.
  • An air conditioner according to the concept of the present disclosure may include a housing having various structures and shapes.
  • the housing (10) may include a first inlet (12a) formed to allow outdoor air to flow in.
  • the outdoor air may flow into the interior of the housing (10) through the first inlet (12a).
  • the first inlet (12a) may be arranged to face the outdoors (O, see FIG. 1).
  • the first inlet (12a) may be in communication with the outdoors (O).
  • the first inlet (12a) may be formed in the rear case (12) so that outdoor air may be introduced.
  • the first inlet (12a) may be formed in the rear panel (18).
  • the present disclosure is not limited thereto, and the first inlet (12a) may be formed in various parts of the housing (10) facing the outdoors (O).
  • the housing (10) may include a first discharge port (12b) formed so that air that has exchanged heat with the first heat exchanger (40) is discharged to the outdoors (O).
  • the outdoor air that has entered the housing (10) through the first inlet port (12a) may be discharged to the outdoors (O) through the first discharge port (12b) after undergoing heat exchange with the first heat exchanger (40).
  • the first exhaust port (12b) may be arranged to face the outdoors (O, see FIG. 1).
  • the first exhaust port (12b) may be communicated with the outdoors (O).
  • the first exhaust port (12b) may be formed in the rear case (12).
  • the first exhaust port (12b) may be formed in the rear panel (18).
  • the present disclosure is not limited thereto, and the first exhaust port (12b) may be formed in various parts of the housing (10) facing the outdoors (O).
  • the first outlet (12b) can be distinguished from the first inlet (12a).
  • the first outlet (12b) can be formed spaced apart from the first inlet (12a).
  • a first flow path (P1) may be formed inside the housing (10).
  • the first flow path (P1) may be formed such that air introduced from the outside may flow therethrough.
  • the first flow path (P1) may be formed between the first inlet (12a) and the first outlet (12b).
  • the first heat exchanger (40) may be provided on the first flow path (P1).
  • the first fan assembly (100) may be provided on the first flow path (P1).
  • the housing (10) may include a second inlet (11a) formed to allow indoor air to flow in. Indoor air may flow into the interior of the housing (10) through the second inlet (11a).
  • the second inlet (11a) may be arranged to face the room (I, see FIG. 1).
  • the second inlet (11a) may be communicated with the room (I).
  • the second inlet (11a) may be formed in the front case (11) so that indoor air may be introduced.
  • the second inlet (11a) may be formed in the second side panel (17).
  • the present disclosure is not limited thereto, and the second inlet (11a) may be formed in various parts of the housing (10) facing the room (I).
  • the housing (10) may include a second discharge port (11b) formed so that air that has exchanged heat with the second heat exchanger (60) is discharged to the outside of the housing (10).
  • Indoor air that has been introduced into the housing (10) through the second inlet port (11a) may be discharged to the outside of the housing (10) through the second discharge port (11b) after being subjected to heat exchange with the second heat exchanger (60).
  • air that has been discharged to the outside of the housing (10) through the second discharge port (11b) may be discharged to the inside of the housing (I, see FIG. 1) through an opening formed in the discharge panel (50) or a plurality of discharge holes (50h) each having a size smaller than the opening.
  • the second discharge port (11b) may be arranged to face the interior (I, see FIG. 1).
  • the second discharge port (11b) may be communicated with the interior (I).
  • the second discharge port (11b) may be formed in the front case (11).
  • the second discharge port (11b) may be formed in the front panel (14) and may be covered by the discharge panel (50).
  • the present disclosure is not limited thereto, and the second discharge port (11b) may be formed in various parts of the housing (10) facing the interior (I).
  • the second outlet (11b) can be distinguished from the second inlet (11a).
  • the second outlet (11b) can be formed spaced apart from the second inlet (11a).
  • a second flow path (P2) may be formed inside the housing (10).
  • the second flow path (P2) may be formed so that air introduced from the room can flow.
  • the second flow path (P2) may be formed between the second inlet (11a) and the second outlet (11b).
  • the second heat exchanger (60) may be provided on the second flow path (P2).
  • the second fan assembly (200) may be provided on the second flow path (P2).
  • the first flow path (P1) and the second flow path (P2) may be arranged to be separated from each other.
  • the outdoor air flowing through the first flow path (P1) and the indoor air flowing through the second flow path (P2) may not be mixed inside the housing (10).
  • the air conditioner (3) may include a discharge panel (50).
  • the discharge panel (50) may cover at least a portion of the housing (10). Specifically, the discharge panel (50) may cover a portion of the housing (10) where a second discharge port (11b) is formed.
  • the discharge panel (50) may be arranged on one side of the second discharge port (11b).
  • the discharge panel (50) may be arranged spaced apart from the second discharge port (11b).
  • the discharge panel (50) may cover the front panel (14) in which the second discharge port (11b) is formed.
  • the discharge panel (50) may form at least a portion of the front exterior of the air conditioner (3).
  • the discharge panel (50) may be arranged to discharge at least a portion of the air discharged through the second discharge port (11b). That is, indoor air that is introduced into the housing (10) through the second inlet port (11a) from the indoor space (I, see FIG. 1) is heat-exchanged with the second heat exchanger (60), and then at least a portion of the heat-exchanged air may be discharged back into the indoor space (I) through the second discharge port (11b) and the discharge panel (50) sequentially.
  • the discharge panel (50) may include a plurality of discharge holes (50h) provided to discharge air flowing from the second discharge port (11b).
  • the plurality of discharge holes (50h) formed in the discharge panel (50) may be formed so that each discharge hole (50h) has a smaller size than the second discharge port (11b).
  • an opening may be formed in the discharge panel (50) to allow air discharged through the second discharge port (11b) to be discharged.
  • the opening formed in the discharge panel (50) may be formed to have a size larger than each of the plurality of discharge holes (50h) described above.
  • the discharge panel (50) can be coupled to the housing (10). Specifically, the discharge panel (50) can be coupled to the front case (11). The discharge panel (50) can maintain a fixed position with respect to the housing (10).
  • the discharge panel (50) may be formed in a substantially flat plate shape. However, this is not limited to the shape, and the discharge panel (50) may be formed in various shapes.
  • the air conditioner (3) may include a blade (20).
  • the blade (20) may be arranged to open or cover an opening of the discharge panel (50).
  • the blade (20) may have a shape that roughly corresponds to the opening of the discharge panel (50).
  • the blade (20) may be arranged to cover the opening of the discharge panel (50) at a position spaced apart from the second discharge port (11b). When covering the opening of the discharge panel (50), the blade (20) may be arranged to be approximately parallel to the discharge panel (50).
  • the blade (20) may be provided to be rotatable relative to the housing (10). Additionally, the blade (20) may be provided to be rotatable relative to the discharge panel (50). The blade (20) may be coupled to the housing (10).
  • the blade (20) may be provided to guide indoor air discharged through the opening of the discharge panel (50).
  • the blade (20) may be provided to control the discharge direction of air discharged into the indoor space through the opening of the discharge panel (50).
  • the blade (20) may be arranged to discharge a portion of the air discharged from the second discharge port (11b) while covering the opening of the second discharge port (11b) or the discharge panel (50). That is, after the indoor air (I, see FIG. 1) flows into the housing (10) through the second inlet port (11a) and undergoes heat exchange with the second heat exchanger (60), a portion of the heat-exchanged air may sequentially pass through the second discharge port (11b) and the blade (20) and be discharged back into the indoor space (I).
  • the blade (20) may include a plurality of exhaust holes (20h) provided to exhaust air flowing from the second exhaust port (11b).
  • the plurality of exhaust holes (20h) formed in the blade (20) may be formed so that each exhaust hole (20h) has a smaller size than the second exhaust port (11b).
  • a portion of the air exhausted from the second exhaust port (11b) may be exhausted through the plurality of exhaust holes (20h) of the blade (20).
  • An air conditioner (3) may operate in a windless operation mode to implement windless airflow.
  • the windless operation mode may mean a low-wind volume operation mode in which air is discharged at a certain speed or less while not directly blowing air to a user.
  • air that has exchanged heat with the heat exchanger (60) may be discharged through a plurality of discharge holes (50h) of the discharge panel (50) and/or a plurality of discharge holes (20h) of the blades (20).
  • the blades (20) may be arranged to cover the openings of the discharge panel (50).
  • the air conditioner (3) may include a first heat exchanger (40).
  • the first heat exchanger (40) may be arranged to exchange heat with outdoor air introduced through the first inlet (12a).
  • the first heat exchanger (40) may be arranged inside the housing (10).
  • the first heat exchanger (40) may be arranged on the first flow path (P1).
  • the first heat exchanger (40) may be arranged to face the first inlet (12a).
  • the first heat exchanger (40) may also be referred to as an 'outdoor heat exchanger' in that it exchanges heat with outdoor air.
  • the air conditioner (3) may include a second heat exchanger (60).
  • the second heat exchanger (60) may be arranged to exchange heat with indoor air introduced through the second inlet (11a).
  • the second heat exchanger (60) may be arranged inside the housing (10).
  • the second heat exchanger (60) may be arranged on the second flow path (P2). At least a portion of the second heat exchanger (60) may be arranged to face the second inlet (11a).
  • the second heat exchanger (60) may be arranged to surround at least a portion of the second fan assembly (200).
  • the second heat exchanger (60) may be arranged to cover at least a portion of the second fan assembly (200).
  • the second heat exchanger (60) may also be referred to as an 'indoor heat exchanger' in that it exchanges heat with indoor air.
  • the first heat exchanger (40) may be provided as a condenser, and the second heat exchanger (60) may be provided as an evaporator. At this time, the air conditioner (3) may be provided to cool the room.
  • the present disclosure is not limited thereto.
  • the first heat exchanger (40) may be provided as an evaporator, and the second heat exchanger (60) may be provided as a condenser. At this time, the air conditioner (3) may be provided to heat the room.
  • the air conditioner (3) may include a drain pan (80).
  • the drain pan (80) may be provided to collect condensate generated in the second heat exchanger (60).
  • the drain pan (80) may be provided to support the second heat exchanger (60).
  • the drain pan (80) may be provided to support the second fan assembly (200).
  • the drain pan (80) may include a mounting portion (81) on which the base (230) of the second fan assembly (200) is mounted.
  • the air conditioner (3) may include a compressor (70).
  • the compressor (70) may be provided to compress the refrigerant for heat exchange operation by the first heat exchanger (40) and the second heat exchanger (60).
  • the compressor (70) may be provided to compress the refrigerant to a high temperature and high pressure state.
  • the refrigerant compressed in the compressor (70) may be introduced into the first heat exchanger (40) or the second heat exchanger (60).
  • the compressor (70) may be positioned beneath the second fan assembly (200).
  • the compressor (70) may be positioned beneath the drain pan (80).
  • the air conditioner (3) may include a compressor cover (71).
  • the compressor cover (71) may be provided to cover the compressor (70).
  • the compressor cover (71) may prevent the compressor (70) from being exposed to the outside.
  • the compressor cover (71) may be provided to protect the compressor (70).
  • the air conditioner (3) may include an expansion device.
  • the expansion device may be provided to expand the refrigerant discharged from the first heat exchanger (40) or the refrigerant discharged from the second heat exchanger (60).
  • the air conditioner (3) may include a control box (90).
  • the control box (90) may accommodate a printed circuit board on which various electronic components are mounted.
  • the air conditioner (3) may include a control panel (30).
  • the control panel (30) may be provided to obtain user input.
  • the control panel (30) may be provided to display information about the operation, status, various settings, indoor temperature or humidity, etc. of the air conditioner (3).
  • the control panel (30) may be electrically connected to the control unit of the air conditioner (3).
  • the control panel (30) may be placed in front of the front case (11).
  • the air conditioner (3) may include a first fan assembly (100).
  • the first fan assembly (100) may be arranged to cause outdoor air to flow within the housing (10).
  • the first fan assembly (100) may be arranged to cause outdoor air to flow between the first inlet (12a) and the first outlet (12b).
  • the suction side (101) of the first fan assembly (100) may be arranged to face the first inlet (12a).
  • the discharge side (102) of the first fan assembly (100) may be arranged to face the first discharge port (12b).
  • the first fan assembly (100) may include a first fan (110).
  • the first fan (110) may be positioned to face at least a portion of the first heat exchanger (40).
  • the first fan assembly (100) may include a first fan motor (120) for driving the first fan (110).
  • the first fan assembly (100) may include a first frame (130) configured to guide outdoor air.
  • the first frame (130) may extend along an extension direction of the first fan (110).
  • the first frame (130) may have a shape extending approximately in a vertical direction (Z direction).
  • the air conditioner (3) may include a second fan assembly (200).
  • the second fan assembly (200) may be arranged to circulate indoor air within the housing (10).
  • the second fan assembly (200) may be arranged to circulate indoor air between the second inlet (11a) and the second outlet (11b).
  • the intake side (201) of the second fan assembly (200) may be arranged to face the second inlet (11a).
  • the discharge side (202) of the second fan assembly (200) may be arranged to face the second discharge port (11b).
  • the discharge side (202) of the second fan assembly (200) may be arranged to face the blade (20).
  • the second fan assembly (200) may include a second fan (210).
  • the second fan (210) may be positioned to face at least a portion of the second heat exchanger (60).
  • the second fan assembly (200) may include a second fan motor (220) for driving the second fan (210).
  • the second fan assembly (200) may include a second frame (240) configured to guide indoor air.
  • the second frame (240) may extend along an extension direction of the second fan (210).
  • the second frame (240) may have a shape extending approximately in a vertical direction (Z direction).
  • the first frame (130) and the second frame (240) may be arranged to be in contact.
  • the first frame (130) and the second frame (240) may be arranged to partition the first fan (110) and the second fan (210).
  • the partition part (132) of the first frame (130) and the second frame (240) may be arranged to partition the first fan (110) and the second fan (210) by being coupled to each other.
  • the first frame (130) and the second frame (240) may be arranged to partition the first flow path (P1) and the second flow path (P2). As a result, indoor air and outdoor air may not be mixed inside the housing (10).
  • the configurations of the air conditioner (3) described above with reference to FIGS. 2 to 7 are merely examples of the configurations provided in the air conditioner according to the concept of the present disclosure, and the air conditioner according to the concept of the present disclosure may include various configurations.
  • the control for dew formation protection is described. Also, for convenience of explanation, the second fan assembly (200) mentioned above is described below as an indoor fan (200), and the second heat exchanger (60) is described below as an indoor heat exchanger (60).
  • FIG. 8 is a drawing showing a control block diagram of an air conditioner according to one embodiment of the present disclosure.
  • the air conditioner (3) may include, in addition to the compressor (70), indoor heat exchanger (60), indoor fan (200) and blade (20) described above, an indoor temperature sensor (310) for detecting indoor temperature, an outdoor temperature sensor (320) for detecting outdoor temperature, an indoor humidity sensor (330) for detecting indoor humidity, and a heat exchanger temperature sensor (340) for detecting the temperature of the indoor heat exchanger, and a control unit (150), and the control unit (150) may include at least one processor and memory.
  • the control unit (150) may include a memory (152) that stores a control program and control data for controlling a compressor (70), an indoor fan (200), and a blade (20) for dew formation protection, and a processor (151) that generates a control signal according to the control program and control data stored in the memory.
  • the memory (152) and the processor (151) may be provided integrally or separately.
  • the memory (152) can store conditions for dew formation protection and programs and data for controlling the compressor (70), indoor fan (200) and blade (20).
  • the memory (152) may include volatile memory such as Static Random Access Memory (S-RAM) and Dynamic Random Access Memory (D-RAM) for temporarily storing data.
  • the memory (152) may include nonvolatile memory such as Read Only Memory (ROM), Erasable Programmable Read Only Memory (EPROM), and Electrically Erasable Programmable Read Only Memory (EEPROM) for storing data for a long period of time.
  • ROM Read Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • EEPROM Electrically Erasable Programmable Read Only Memory
  • the processor (151) may include various logic circuits and operation circuits, process data according to a program provided from memory (152), and generate a control signal according to the processing result.
  • the control unit (150) can determine the dew point temperature based on the detected indoor temperature and indoor humidity, and can determine the temperature of the discharged air discharged from the air conditioner (3) based on the determined dew point temperature, the detected temperature of the indoor heat exchanger, and the outdoor temperature.
  • the control unit (150) can determine whether to perform dew condensation protection operation based on the determined dew point temperature and the temperature of the discharged air. That is, if the temperature of the discharged air is lower than the dew point temperature, it is determined that dew condensation may occur, and dew condensation protection operation can be performed. This will be described in detail below.
  • FIG. 9 is a flowchart showing a method for controlling an air conditioner according to one embodiment of the present disclosure.
  • control unit (150) can determine the dew point temperature based on the detected indoor temperature and indoor humidity, and can determine the temperature of the discharged air based on the determined dew point temperature, the detected temperature of the indoor heat exchanger (60), and the outdoor temperature.
  • the dew point temperature can be determined, for example, using the mathematical expression 1 below.
  • Dew point temperature -22.1 + (0.9383 * room temperature) + (0.25 * relative humidity)
  • the temperature of the discharged air may be detected by a separate temperature sensor provided on the discharge port side, but may also be determined by the following mathematical expression 2 without including such a separate configuration.
  • Discharge air temperature a - (b * dew point temperature) + (c * indoor heat exchanger temperature) - d * outdoor temperature)
  • a, b, c and d in the above mathematical expression 2 may be values determined by experiments to determine the temperature of the discharged air and are values that may change.
  • the value of a may be 9.94
  • the value of b may be 0.137
  • the value of c may be 1.106
  • the value of d may be 0.1808.
  • These values may also be the average values of a, b, c, and d, respectively, determined by multiple experiments.
  • the discharge air temperature can be predicted even without including a separate discharge air temperature sensor.
  • the control unit (150) can perform dew formation protection operation (905) if the operation time of the windless operation mode is longer than the first hour (example of 901) and the value obtained by subtracting the determined dew point temperature from the determined discharge air temperature is less than the reference value (example of 903).
  • the dew protection operation can be performed when the operation time of the windless driving mode is longer than a first hour, wherein the first hour can be set to an appropriate time for protecting against condensation, for example, 30 minutes.
  • Dew condensation protection is intended to prevent dew condensation by increasing the discharge air temperature so that the discharge air temperature is higher than the dew point temperature by a certain value or more, and this dew condensation protection operation may include control so that the discharge air temperature is higher than the dew point temperature.
  • control unit (150) can maintain the existing control without performing dew protection operation (907) if the value obtained by subtracting the determined dew point temperature from the determined discharge air temperature is equal to or higher than the reference value (No of 903).
  • FIGS. 10 and 11 are flowcharts showing a process of performing dew formation protection control according to one embodiment of the present disclosure
  • FIG. 12 is a drawing showing control according to dew formation protection according to one embodiment of the present disclosure.
  • control unit (150) can perform dew formation protection operation if the operation time of the windless operation mode is longer than the first hour and the value obtained by subtracting the determined dew point temperature from the determined discharge air temperature is less than the reference value.
  • a first mode can be performed in which the operating frequency of the compressor (70) is reduced to a first frequency lower than the reference frequency (1001).
  • the operating frequency of the compressor (70) is reduced, the discharge temperature discharged from the air conditioner (3) increases, thereby becoming higher than the dew point temperature by a certain value or more, thereby reducing the dew formation.
  • the reference frequency can be 24 Hz and the first frequency can be 15 Hz lower than the reference frequency. This is just an example and can be set to various frequencies.
  • the control unit (150) can terminate the dew protection operation if the value obtained by subtracting the determined dew point temperature from the determined discharge air temperature after the first mode is performed is greater than or equal to a reference value.
  • the control unit (150) can open the blade (20) to protect against dew formation, increase the rotation speed of the indoor fan (200) by a preset speed from the reference speed, and perform the second mode to increase the operating frequency of the compressor (70) to the reference frequency (1005).
  • the operating frequency of the compressor (70) can be increased to the existing frequency.
  • the second time can be set as an appropriate time to perform dew protection control, for example, 1 hour.
  • the preset speed can be set based on the user's input.
  • the indoor fan (200) can rotate at a standard speed of about 850 RPM in the windless operation mode, and the rotation speed can be increased by a preset speed based on the user's input.
  • the preset speed can be, for example, 25 RPM to 375 RPM. This is also just an example, and can be set at various RPMs.
  • the control unit (150) can execute the first mode again (1103).
  • control unit (150) can maintain the second mode (1105) if the indoor temperature detected after the execution of the second mode exceeds the preset temperature (No of 1101).
  • control unit (150) can perform control for dew formation protection in response to each operating condition.
  • the operating frequency of the compressor (70) is operated at a reference frequency, the blade (20) is in a closed state, and the indoor fan (200) can rotate at a reference speed.
  • the operating frequency of the compressor (70) is reduced to the first frequency.
  • the second mode for condensation protection can be performed.
  • the operating frequency of the compressor (70) is increased to a reference frequency
  • the blade (20) is opened, and the rotation speed of the indoor fan (200) can be increased from the reference speed to a preset speed.
  • FIG. 13 is a flowchart showing terminating dew formation protection control according to one embodiment of the present disclosure.
  • the control unit (150) can terminate the dew protection operation (1305) if the value obtained by subtracting the determined dew point temperature from the determined discharge air temperature after performing the first or second mode for dew protection (1301) is greater than or equal to the reference value (example of 1303).
  • control unit (150) can prevent dew formation when the discharge air temperature becomes higher than the dew point temperature by a certain value or more during the dew formation protection control, and thus can terminate the dew formation protection operation.
  • An air conditioner may include: a compressor; an indoor heat exchanger; an indoor temperature sensor for detecting an indoor temperature; an outdoor temperature sensor for detecting an outdoor temperature; an indoor humidity sensor for detecting an indoor humidity; a heat exchanger temperature sensor for detecting a temperature of the indoor heat exchanger; and a control unit for determining a dew point temperature based on the detected indoor temperature and indoor humidity, determining a temperature of discharge air based on the determined dew point temperature, the detected temperature of the indoor heat exchanger, and the outdoor temperature, and determining whether to perform a dew formation protection operation based on the determined dew point temperature and the temperature of the discharge air.
  • the temperature of discharged air discharged from an air conditioner can be increased and the contact area of the discharged air can be increased to reduce dew formation.
  • the above dew formation protection operation may include control so that the discharge air temperature becomes higher than the dew point temperature.
  • the above control unit can perform the dew formation protection operation when the operation time of the windless operation mode is 1 hour or longer and the value obtained by subtracting the determined dew point temperature from the determined temperature of the discharged air is less than a reference value.
  • the above control unit can perform a first mode for reducing the operating frequency of the compressor to a first frequency lower than the reference frequency for the purpose of protecting against dew formation.
  • the above control unit can terminate the dew formation protection operation if the value obtained by subtracting the determined dew point temperature from the determined discharge air temperature after the first mode is performed is equal to or greater than a reference value.
  • the device further includes a blade; and an indoor fan; and the control unit may perform a second mode for opening the blade for dew protection and increasing the rotation speed of the indoor fan by a preset speed from a reference speed, and increasing the operating frequency of the compressor to the reference frequency, if the first mode is maintained for a second time or longer.
  • the above control unit can terminate the dew formation protection operation if the value obtained by subtracting the determined dew point temperature from the determined discharge air temperature after the second mode is performed is equal to or greater than a reference value.
  • the above preset speed can be set based on user input.
  • the above control unit can perform the first mode if the detected indoor temperature is lower than a preset temperature after performing the second mode.
  • a control method of an air conditioner comprises: a compressor; an indoor heat exchanger; an indoor temperature sensor for detecting an indoor temperature; an outdoor temperature sensor for detecting an outdoor temperature; an indoor humidity sensor for detecting an indoor humidity; and a heat exchanger temperature sensor for detecting a temperature of the indoor heat exchanger;
  • the control method of an air conditioner may include: determining a dew point temperature based on the detected indoor temperature and indoor humidity; determining a temperature of discharge air based on the determined dew point temperature, the detected temperature of the indoor heat exchanger, and the outdoor temperature; and determining whether to perform a dew protection operation based on the determined dew point temperature and the temperature of the discharge air.
  • the above dew formation protection operation may include control so that the discharge air temperature becomes higher than the dew point temperature.
  • Determining whether to perform the above dew protection operation may include performing the above dew protection operation if the operation time of the windless operation mode is a first hour or longer and the value obtained by subtracting the determined dew point temperature from the determined temperature of the discharged air is less than a reference value.
  • Performing the above dew formation protection operation may include performing a first mode for reducing the operating frequency of the compressor to a first frequency lower than a reference frequency for the purpose of the dew formation protection.
  • Determining whether to perform the dew protection operation may include terminating the dew protection operation if the value obtained by subtracting the determined dew point temperature from the determined temperature of the discharge air after performing the first mode is equal to or greater than a reference value.
  • the method may further include: performing a second mode for opening the blades for dew protection, increasing the rotation speed of the indoor fan by a preset speed from a reference speed, and increasing the operating frequency of the compressor to the reference frequency when the first mode is maintained for a second time or longer.
  • Determining whether to perform the dew protection operation may include terminating the dew protection operation if the value obtained by subtracting the determined dew point temperature from the determined temperature of the discharge air after performing the second mode is equal to or greater than a reference value.
  • the above preset speed can be set based on user input.
  • Performing the above dew protection operation may include performing the first mode when the detected indoor temperature is below a preset temperature after performing the second mode.
  • the temperature of discharged air discharged from an air conditioner can be increased and the contact area of the discharged air can be increased to reduce dew formation.
  • the disclosed embodiments may be implemented in the form of a recording medium storing instructions executable by a computer.
  • the instructions may be stored in the form of program codes, and when executed by a processor, may generate program modules to perform the operations of the disclosed embodiments.
  • the recording medium may be implemented as a computer-readable recording medium.
  • Computer-readable storage media include all types of storage media that store instructions that can be deciphered by a computer. Examples include ROM (Read Only Memory), RAM (Random Access Memory), magnetic tape, magnetic disk, flash memory, and optical data storage devices.
  • ROM Read Only Memory
  • RAM Random Access Memory
  • magnetic tape magnetic tape
  • magnetic disk magnetic disk
  • flash memory optical data storage devices

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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)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

Un climatiseur selon un aspect de l'invention peut comprendre : un compresseur ; un échangeur de chaleur intérieur ; un capteur de température intérieure destiné à détecter la température intérieure ; un capteur de température extérieure destiné à détecter la température extérieure ; un capteur d'humidité intérieure destiné à détecter l'humidité intérieure ; un capteur de température d'échangeur de chaleur destiné à détecter la température de l'échangeur de chaleur intérieur ; et une unité de commande destinée à déterminer la température de point de rosée sur la base de la température intérieure et de l'humidité intérieure détectées, déterminer la température de l'air de décharge sur la base de la température de point de rosée déterminée, de la température détectée de l'échangeur de chaleur intérieur et de la température extérieure, et déterminer, sur la base de la température de point de rosée déterminée et de la température de l'air de décharge, s'il faut empêcher la condensation.
PCT/KR2024/002488 2023-04-20 2024-02-27 Climatiseur et son procédé de commande Pending WO2024219633A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20230052260 2023-04-20
KR10-2023-0052260 2023-04-20
KR1020230123497A KR20240155721A (ko) 2023-04-20 2023-09-15 공기 조화기 및 그 제어 방법
KR10-2023-0123497 2023-09-15

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09236298A (ja) * 1996-02-27 1997-09-09 Hitachi Ltd 空気調和装置
US20180172305A1 (en) * 2016-12-21 2018-06-21 Samsung Electronics Co., Ltd. Air conditioner and control method thereof
KR102170562B1 (ko) * 2018-09-13 2020-10-27 오텍캐리어 주식회사 공기조화기용 제습운전 제어장치
KR20220064686A (ko) * 2020-11-12 2022-05-19 엘지전자 주식회사 공기조화기
KR20230009731A (ko) * 2021-07-09 2023-01-17 삼성전자주식회사 공기조화기 및 그 제어 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09236298A (ja) * 1996-02-27 1997-09-09 Hitachi Ltd 空気調和装置
US20180172305A1 (en) * 2016-12-21 2018-06-21 Samsung Electronics Co., Ltd. Air conditioner and control method thereof
KR102170562B1 (ko) * 2018-09-13 2020-10-27 오텍캐리어 주식회사 공기조화기용 제습운전 제어장치
KR20220064686A (ko) * 2020-11-12 2022-05-19 엘지전자 주식회사 공기조화기
KR20230009731A (ko) * 2021-07-09 2023-01-17 삼성전자주식회사 공기조화기 및 그 제어 방법

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