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WO2025234643A1 - Appareil de traitement de vêtements et son procédé de commande - Google Patents

Appareil de traitement de vêtements et son procédé de commande

Info

Publication number
WO2025234643A1
WO2025234643A1 PCT/KR2025/005354 KR2025005354W WO2025234643A1 WO 2025234643 A1 WO2025234643 A1 WO 2025234643A1 KR 2025005354 W KR2025005354 W KR 2025005354W WO 2025234643 A1 WO2025234643 A1 WO 2025234643A1
Authority
WO
WIPO (PCT)
Prior art keywords
tub
treatment device
drum
drying
water level
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/KR2025/005354
Other languages
English (en)
Korean (ko)
Inventor
이송재
강민희
김대환
박동근
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 KR1020240121165A external-priority patent/KR20250162283A/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to US19/205,084 priority Critical patent/US20250347045A1/en
Publication of WO2025234643A1 publication Critical patent/WO2025234643A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
    • D06F33/52—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/62—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/58—Indications or alarms to the control system or to the user

Definitions

  • a washing machine with a dryer is a device that uses the driving force of a motor to mix laundry, water, and detergent inside a tub together, thereby washing through friction between them.
  • the cycles performed by the dryer-type washing machine may include a washing cycle in which detergent and water are supplied to a tub containing laundry and the drum is rotated to wash the laundry, a rinsing cycle in which water is supplied to the tub and the drum is rotated to rinse the laundry, and a dehydration cycle in which water is discharged from the tub and the drum is rotated to remove moisture from the laundry.
  • the cycle performed by a washer/dryer may include a drying cycle in which heat generated by the drying device is blown into a space containing laundry to dry laundry.
  • the washer/dryer may include a drying device to perform the drying cycle.
  • the drying device may include a heat exchanger, a compressor, and a fan, and may drain condensate generated by the heat exchanger into a tub. The condensate generated during the drying cycle may be stored at the bottom of the tub.
  • a washer/dryer can detect the water level in the tub via a water level sensor, determine the dryness level of the item based on the water level in the tub, and terminate the drying process based on this.
  • the water level sensor is installed in a hose connected to the tub connection pipe and detects the pressure inside the hose corresponding to the water level in the tub.
  • the drain device is connected to the tub via the tub connection pipe, and the drain pump pumps the water in the tub and discharges it through the drain pipe to the outside.
  • the water level sensor may be affected by the drainage installation environment in which the washer/dryer is installed.
  • the washer/dryer When the washer/dryer is installed in a high drainage environment, some of the water discharged through the drain pipe flows back into the washer/dryer because the drain hose connected to the drain pipe of the washer/dryer is connected to a drain located at a height of, for example, 8 ft (2.43 m) or 9 ft (2.74 m) or higher.
  • the flowed back water affects the water level in the tub. Therefore, the flowed back water is mistakenly recognized as condensate generated during the drying cycle. As a result, the dryness of the object to be dried based on the water level in the tub (20) is incorrectly determined, and the drying cycle cannot be terminated at the correct time.
  • One aspect of the disclosed invention is to address the above-mentioned problems and/or disadvantages and to provide at least the advantages described below.
  • one aspect of the present disclosure provides a garment treatment device and a control method thereof that can accurately and reliably determine the dryness level of a garment even when the garment treatment device is installed in a high-drainage installation environment.
  • a clothing treatment device may include: a drying device including a heat exchanger, a compressor, and a fan, and having a drainage hole formed therein for draining condensate generated by the heat exchanger; a tub provided at a lower side of the drying device and storing condensate drained through the drainage hole; a drainage pump for draining the condensate stored in the tub; a water level sensor for detecting a water level of the tub; a drum rotatably provided in the tub; a temperature sensor for detecting a temperature of air discharged from the drum; and a control unit for operating the drying device based on the start of a drying cycle, operating the drainage pump based on the water level of the tub reaching a preset level while the drying cycle is in progress, and determining a dryness level of an article of clothing accommodated in the drum based on a temperature of exhaust air from the drum based on the number of times the drainage pump is operated being a predetermined number or more during a preset period
  • a method for controlling a clothes treatment device comprises: a drying device including a heat exchanger, a compressor, and a fan, and a drainage hole formed to drain condensate generated by the heat exchanger; a tub provided on a lower side of the drying device and storing condensate drained through the drainage hole; the method may include: operating the drying device based on the start of a drying cycle; operating a drainage pump for draining condensate stored in the tub based on the fact that a water level in the tub reaches a preset level while the drying cycle is in progress; and determining a dryness level of an article of clothing accommodated in the drum based on the temperature of air discharged from a drum rotatably provided in the tub based on the fact that the number of times the drainage pump operates is a predetermined number or more during a preset period of time after the start of the drying cycle.
  • FIG. 1 illustrates a garment treatment device according to one embodiment of the present disclosure.
  • Figure 2 illustrates a cross-section of a garment treatment device according to one embodiment of the present disclosure.
  • FIG. 3 illustrates a part of a configuration arranged inside a garment treatment device according to one embodiment of the present disclosure.
  • FIG. 4 illustrates a configuration arranged inside a garment treatment device according to one embodiment of the present disclosure from a different direction than that illustrated in FIG. 3.
  • FIG. 5 illustrates a network of a garment treatment device according to one embodiment of the present disclosure.
  • FIG. 6 illustrates a control block of a garment treatment device according to one embodiment of the present disclosure.
  • FIG. 7 illustrates an example of a flowchart of a method for controlling a garment treatment device according to one embodiment of the present disclosure.
  • FIG. 8 illustrates a drainage operation according to the water level of a tub in a garment treatment device according to one embodiment of the present disclosure.
  • FIG. 9 illustrates water discharged from a garment treatment device according to one embodiment of the present disclosure flowing back again.
  • FIG. 10 illustrates changes in the water level of a tub when water discharged from a garment treatment device according to one embodiment of the present disclosure flows back again.
  • FIG. 11 illustrates an example of a flow chart for performing a drying process according to a drainage installation environment in which a garment treatment device according to one embodiment of the present disclosure is installed.
  • FIG. 12 illustrates a garment treatment device according to one embodiment of the present disclosure performing a drying process based on the temperature of the exhaust air of the drum.
  • FIG. 13 illustrates a garment treatment device according to one embodiment of the present disclosure installed in a high-drainage installation environment.
  • FIG. 14 illustrates a garment treatment device according to one embodiment of the present disclosure installed in a low-drainage installation environment.
  • 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” may include any one of the items listed together in that phrase, or all possible combinations thereof.
  • 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.
  • Washing machines may include top-loading washing machines in which the laundry inlet for loading or removing laundry is provided facing upward, or front-loading washing machines in which the laundry inlet is provided facing forward. Washing machines according to various embodiments may include washing machines of other loading methods other than top-loading washing machines and front-loading washing machines.
  • the front-loading washing machine may include a washing machine with a dryer that can dry the laundry contained inside the drum.
  • the washing machine with a dryer may include a hot air supply device for supplying high-temperature air into the drum and a condensing device for removing moisture from the air discharged from the drum.
  • the washing machine with a dryer may include a heat pump device.
  • the washing machine according to various embodiments may include a washing machine with a washing method other than the washing method described above.
  • Washing machines may include a housing that accommodates various components therein.
  • the housing may be provided in the form of a box with a laundry inlet formed on one side.
  • a washing machine may include a door for opening and closing the laundry compartment.
  • the door may be rotatably mounted to the housing by a hinge. At least a portion of the door may be transparent or translucent to allow the interior of the housing to be viewed.
  • a washing machine may include a tub provided within a housing to store water.
  • the tub may be provided in a generally cylindrical shape with a tub opening formed on one side, and may be positioned within the housing such that the tub opening corresponds to a laundry inlet.
  • the tub may be connected to the housing by a damper.
  • the damper can absorb vibrations generated when the drum rotates, thereby reducing the vibrations transmitted to the housing.
  • a washing machine may include a drum configured to accommodate laundry.
  • the drum may be positioned within the tub such that the drum opening provided on one side corresponds to the laundry inlet and the tub opening. Laundry may be sequentially passed through the laundry inlet, the tub opening, and the drum opening to be accommodated within the drum or taken out from the drum.
  • the drum rotates within the tub and can perform each of the washing, rinsing, and/or dehydration operations.
  • the cylindrical wall of the drum is formed with a number of perforations, allowing water stored in the tub to flow into or out of the drum.
  • a washing machine may include a drive device configured to rotate a drum.
  • the drive device may include a drive motor and a rotating shaft for transmitting driving force generated by the drive motor to the drum.
  • the rotating shaft may be connected to the drum by penetrating the tub.
  • the driving device can rotate the drum forward or backward to perform each operation according to the washing, rinsing, and/or dehydration, or drying cycle.
  • a washing machine may include a water supply device configured to supply water to a tub.
  • the water supply device may include a water supply pipe and a water supply valve provided on the water supply pipe.
  • the water supply pipe may be connected to an external water source.
  • the water supply pipe may extend from the external water source to a detergent supply device and/or the tub. Water may be supplied to the tub via the detergent supply device. Water may be supplied to the tub without passing through the detergent supply device.
  • the water supply valve can open or close the water supply pipe in response to an electrical signal from the control unit.
  • the water supply valve can allow or block the supply of water to the tub from an external water source.
  • the water supply valve may include, for example, a solenoid valve that opens and closes in response to an electrical signal.
  • a washing machine may include a detergent supply device configured to supply detergent to a tub.
  • the detergent supply device may include a manual detergent supply device that requires a user to add detergent for each wash cycle, and an automatic detergent supply device that stores a large amount of detergent and automatically supplies a predetermined amount of detergent during a wash cycle.
  • the detergent supply device may include a detergent compartment for storing detergent.
  • the detergent supply device may be configured to supply detergent into the tub during a water supply process. Water supplied through a water supply pipe may be mixed with detergent via the detergent supply device. The water mixed with detergent may be supplied into the tub.
  • Detergent is used as a comprehensive term for pre-wash detergent, main wash detergent, fabric softener, bleach, etc., and the detergent compartment may be divided into a pre-wash detergent storage area, a main wash detergent storage area, a fabric softener storage area, and a bleach storage area.
  • the washing machine may include a control panel positioned on one side of the housing.
  • the control panel may provide a user interface for a user to interact with the washing machine.
  • the user interface 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, a course selection dial (or a course selection button), and a wash/rinse/spin 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 micro switch, a touch switch, a touch pad, a touch screen, a jog dial, and/or a microphone.
  • At least one output interface can visually or audibly convey information related to the operation of the washing machine to the user.
  • At least one output interface may transmit information related to the washing cycle and operating time of the washing machine, as well as washing/rinsing/spin settings to the user. Information related to the operation of the washing machine may be output via a screen, indicator, voice, etc.
  • At least one output interface may 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 washing machine may include a communication module for communicating with external devices via wires and/or wirelessly.
  • the communication module can transmit data to or receive data from external devices (e.g., a server, a user device, and/or a home appliance).
  • external devices e.g., a server, a user device, and/or a home appliance.
  • the communication module can establish communication with a server, a user device, and/or a home appliance, and transmit and receive various data.
  • the communication module may support the establishment of a direct (e.g., wired) communication channel or a wireless communication channel between external devices, and the performance of communication through the established communication channel.
  • the communication module may include a wireless communication module (e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module (e.g., a local area network (LAN) communication module, or a power line communication module).
  • GNSS global navigation satellite system
  • any of these communication modules may communicate with the external device via a first network (e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network (e.g., a long-range communication network such as a legacy cellular network, a fifth generation (5G) network, a next-generation communication network, the Internet, or a computer network (e.g., a LAN or a WAN)).
  • a first network e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)
  • a second network e.g., a long-range communication network such as a legacy cellular network, a fifth generation (5G) network, a next-generation communication network, the Internet, or a computer network (e.g., a LAN or a WAN)
  • 5G fifth generation
  • next-generation communication network the Internet
  • 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 wireless LAN (WLAN) (Wi-Fi) communication module, a Zigbee communication module, an infrared (IrDA, infrared Data Association) communication module, a WFD (Wi-Fi Direct) communication module, an 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 wireless signals with at least one of a base station, an external terminal, and a server on a mobile communication network.
  • the communication module can communicate with external devices such as a server, a user device, and other home appliances through a peripheral access point (AP).
  • the access point (AP) can connect a local area network (LAN) to which the washing machine or the user device is connected to a wide area network (WAN) to which the server is connected.
  • the washing machine or the user device can be connected to the server through the wide area network (WAN).
  • the control unit can control various components of the washing machine, such as a drive motor and a water inlet valve.
  • the control unit can control various components of the washing machine to perform at least one cycle, including water supply, washing, rinsing, and/or spin-drying, according to a user input.
  • the control unit can control the drive motor to adjust the rotation speed of the drum, or control the water inlet valve of the water supply device to supply water to the tub.
  • the control unit may include hardware such as a central processing unit (CPU) or memory, and software such as a control program.
  • the control unit may include an algorithm for controlling the operation of components within the washing machine, at least one memory for storing program-type data, and at least one processor for performing the aforementioned operations 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. Additionally, the memory and the processor may be implemented as a single chip.
  • the X-axis direction can be defined as the front-back direction
  • the Y-axis direction can be defined as the left-right direction
  • the Z-axis direction can be defined as the up-down direction.
  • each flowchart can be executed by one or more computer programs containing computer-executable instructions.
  • One or more computer programs may be stored entirely in a single memory device, or one or more computer programs may be divided into multiple memory devices, each storing different portions.
  • the single processor or combination of processors is a circuit that performs processing and includes an application processor (AP, e.g., a central processing unit (CPU)), a communication processor (CP, e.g., a modem), a graphics processing unit (GPU), a neural network processing unit (NPU, e.g., an artificial intelligence (AI) chip), a wireless LAN (Wi-Fi) chip, a Bluetooth chip, a global positioning system (GPS) chip, a near-field communication (NFC) chip, a connection chip, a sensor controller, a touch controller, a fingerprint sensor controller, a display driver integrated circuit (IC), an audio codec chip, a universal serial bus (USB) controller, a camera controller, an image processing IC, a microprocessor unit (MPU), a system on a chip (SoC), an IC, or a similar circuit.
  • AP application processor
  • CP e.g., a modem
  • GPU graphics processing unit
  • NPU e.
  • FIG. 1 illustrates a garment treatment device according to one embodiment of the present disclosure.
  • FIG. 2 illustrates a cross-section of a garment treatment device according to one embodiment of the present disclosure.
  • FIG. 3 illustrates a portion of a component arranged inside a garment treatment device according to one embodiment of the present disclosure.
  • FIG. 4 illustrates a component arranged inside a garment treatment device according to one embodiment of the present disclosure from a different direction than that illustrated in FIG. 3.
  • a garment treatment device (1) may include a housing (10) that accommodates various components therein.
  • the housing (10) may be provided in the form of a box with a laundry inlet (11) formed on one side.
  • the laundry inlet (11) may be provided to face approximately forward.
  • the garment treatment device (1) may include a laundry door (17) for opening and closing the laundry inlet (11).
  • the laundry door (17) may be rotatably mounted to the housing (10) by a hinge. At least a portion of the laundry door (17) may be transparent or translucent so as to allow the interior of the housing (10) to be visible.
  • the laundry door (17) may include tempered glass.
  • the garment treatment device (1) may include a lower door (18) configured to allow access to a lower detergent supply device (60).
  • the garment treatment device (1) may include an upper door (19) configured to allow access to an upper detergent supply device (50) and a filter (95).
  • the clothing treatment device (1) may include a tub (20) provided inside the housing (10) to store water.
  • the tub (20) is provided in a roughly cylindrical shape with a tub opening (21) formed on one side, and may be arranged inside the housing (10) so that the tub opening (21) corresponds to the laundry inlet (11).
  • the tub opening (21) may be provided to face approximately forward.
  • the tub (20) can be connected to the housing (10) by a damper (25).
  • the damper (25) can absorb vibrations generated when the drum (30) rotates and attenuate vibrations transmitted to the housing (10).
  • a clothing treatment device (1) may include a drum (30) configured to accommodate laundry. At least one lifter (33) may be provided inside the drum (30) to perform washing by raising and lowering laundry.
  • the drum (30) may be placed inside the tub (20) such that the drum opening (31) provided on one side corresponds to the laundry inlet (11) and the tub opening (21). Laundry may pass through the laundry inlet (11), the tub opening (21) and the drum opening (31) in sequence to be accommodated inside the drum (30) or taken out from the drum (30).
  • the drum opening (31) may be provided to face approximately forward.
  • the drum (30) can perform each operation according to the washing, rinsing, and/or dehydration process while rotating inside the tub (20).
  • a plurality of holes (32) are formed in the cylindrical wall of the drum (30), so that water stored in the tub (20) can flow into the inside of the drum (30) or flow out from the outside of the drum (30).
  • the garment treatment device (1) may include a driving device (36) configured to rotate a drum (30).
  • the driving device (36) may include a motor and a rotating shaft for transmitting driving force generated by the motor to the drum (30).
  • the rotating shaft may pass through the tub (20) and be connected to the drum (30).
  • the driving device (36) can rotate the drum (30) forward or backward to perform each operation according to the washing, rinsing, and/or dehydration, or drying cycle.
  • the clothing treatment device (1) may include a water supply device (40) configured to supply water to the tub (20).
  • the water supply device (40) may include a water supply valve (41, 42) that can be connected to an external water source.
  • the water supply valve (41, 42) may include a hot water valve (41) for supplying hot water and a cold water valve (42) for supplying cold water.
  • the water supply device (40) may include a water supply pipe (43, 44).
  • the water supply pipe (43, 44) may be connected to a water supply valve (41, 42).
  • the water supply pipe (43, 44) may be provided as a hose or pipe made of a flexible material.
  • the water supply pipes (43, 44) may include a hot water pipe (43) connected to a hot water valve (41) and a cold water pipe (44) connected to a cold water valve (42). At least one of the water supply pipes (43, 44) may guide water from the water supply valve (41, 42) to the tub (20). At least one of the water supply pipes (43, 44) may extend from the water supply valve (41, 42) to the tub (20). Water may be supplied to the lower detergent supply device (60) via the tub (20). Water may also be supplied to the lower detergent supply device (60) without passing through the tub (20).
  • the water supply valves (41, 42) can open or close the water supply guides (43, 44) in response to an electrical signal from the control unit.
  • the water supply valves (41, 42) can allow or block the supply of water from an external water source to the tub (20).
  • the water supply valves (41, 42) can include, for example, a solenoid valve that opens and closes in response to an electrical signal.
  • the garment treatment device (1) may include a detergent supply device (50, 60) configured to supply detergent to the tub (20).
  • the detergent supply device (50, 60) may include an upper detergent supply device (50) and a lower detergent supply device (60).
  • the term "detergent” may be used as a comprehensive term for pre-wash detergent, main wash detergent, fabric softener, bleach, etc.
  • the upper detergent supply device (50) may be located at the upper part of the tub (20).
  • the upper detergent supply device (50) may be located above the tub (20) in the vertical direction.
  • the upper detergent supply device (50) may include a manual detergent supply device that requires the user to add detergent for each wash, or an automatic detergent supply device that stores a large amount of detergent and automatically adds a predetermined amount of detergent during the wash.
  • the upper detergent supply device (50) may be connected to the tub (20) via a detergent connection pipe (51).
  • the upper detergent supply device (50) may be provided to supply solid detergent and/or fabric softener to the tub (20).
  • the type of detergent is not limited to the above-described examples.
  • the lower detergent supply device (60) may be located at the bottom of the tub (20).
  • the lower detergent supply device (60) may be located below the tub (20) in the direction of gravity.
  • the lower detergent supply device (60) may include a manual detergent supply device that requires the user to add detergent to be used for each wash, and an automatic detergent supply device that stores a large amount of detergent and automatically adds a predetermined amount of detergent during the wash.
  • the lower detergent supply device (60) may be provided to supply liquid detergent and/or fabric softener to the tub (20).
  • the type of detergent is not limited to the above-described examples.
  • the clothing treatment device (1) may include a drainage device (70) configured to discharge water contained in the tub (20) to the outside.
  • the drainage device (70) may include a drainage pump (71) for discharging water in the tub (20) to the outside of the housing (10).
  • the clothing treatment device (1) may include a circulation pump (76) to circulate water in the tub (20) back to the tub (20) through the lower detergent supply device (60).
  • the drainage device (70) can be connected to the tub (20) through a tub connection pipe (72).
  • the drainage device (70) can discharge water from the tub (20) to the outside of the housing (10) through a drain pipe (73).
  • a connecting hose (121a) can be connected to the branch pipe (72a) of the tub connecting pipe (72) so as to detect the water level inside the tub (20) through pressure changes.
  • This connecting hose (121a) can be connected to a water level sensor (121) installed at the bottom of the upper detergent supply device (50).
  • the garment treatment device (1) may include a control panel (15) arranged on one side of the housing (10).
  • the control panel (15) may provide a user interface for interaction between a user and the garment treatment device (1).
  • the clothing treatment device (1) may include a drying device (80) for drying laundry accommodated inside a drum (30).
  • the drying device (80) may be configured to heat air and supply it to the inside of a tub (20).
  • the drying device (80) may be configured to dry and heat air discharged from the tub (20) and circulate the dried and heated air into the inside of the tub (20) to dry clothing inside the drum (30).
  • the drying device (80) according to various embodiments may be arranged on top of the tub (20).
  • the drying device (80) may include a drying case (81) in which a heat pump system for drying air may be installed.
  • the drying case (81) may include a drying base (81a) and a drying cover (81b) that is coupled to the drying base (81a) and is provided to form a path through which air can move.
  • the drying cover (81b) may cover the open upper surface of the drying base (81a).
  • a drying device (80) may include a heat pump system.
  • the heat pump system may include a compressor (91), a heat exchanger (92, 93) (a condenser (92) and an evaporator (93)), an expansion valve, and a refrigerant pipe (94) through which refrigerant circulates.
  • the compressor (91), condenser (92), evaporator (93), etc., which constitute the heat pump system, may be placed in a drying case (81).
  • the drying device (80) may include a cooling fan (91a) for cooling the compressor (91).
  • the drying device (80) may be mounted as a single module.
  • the compressor (91) compresses the refrigerant, and the compressed high-temperature, high-pressure refrigerant can move to the condenser (92).
  • the condenser (92) can cool the refrigerant and heat the surrounding air. The heated air can be introduced into the drum (30) to dry clothes.
  • the refrigerant expanded through the expansion valve can absorb heat in the evaporator (93) and cool the surrounding air. That is, the evaporator (93) can cool the high-temperature, humid air that has passed through the inside of the drum (30) and remove moisture.
  • the air from which moisture has been removed passes through the condenser (92) and can be reheated through heat exchange with the refrigerant passing through the condenser (92). That is, the condenser (92) can heat the air that has passed through the evaporator (93).
  • the drying device (80) may further include a drying heater (99).
  • the drying heater (99) may increase the drying efficiency of the drying device (80).
  • the drying device (80) may also replace heat pump components with the drying heater (99).
  • the drying heater (99) can heat the air flowing into the interior of the drying device (80).
  • the drying heater (99) can be placed in the heating path (86).
  • the drying heater (99) can be placed downstream from the condenser (92) along the flow of air passing through the drying device (80).
  • the drying heater (99) can be provided in a relatively small size so as to minimize the resistance of the path.
  • the drying heater (99) can be a sheath heater.
  • a drying device (80) may be placed on the upper side of the tub (20).
  • An inlet passage (85) through which air discharged from the tub (20) flows may be formed in the drying device (80).
  • a heating passage (86) may be formed in the drying device (80) for heat exchange with air flowing into the drying device (80) through the inlet passage (85).
  • a supply passage (87) may be formed in the drying device (80) for supplying air that has passed through the heating passage (86) and has undergone heat exchange to the tub (20).
  • An inlet passage (85) may be provided so that air passing through the interior of the tub (20) may be introduced into the drying device (80).
  • the inlet passage (85) may be located on the upper side of the tub (20).
  • the inlet passage (85) may be connected to an exhaust passage (P) formed at the rear of the tub (20).
  • the drying device (80) may include an inlet guide (84) connected to the tub (20).
  • the inlet guide (84) may guide air discharged from the tub (20) to an inlet passage (85).
  • the inlet passage (85) may be communicated with an exhaust passage (P) formed in the tub (20) through the inlet guide (84). Air passing through the exhaust passage (P) may be introduced into the inlet passage (85) of the drying device (80) through the inlet guide (84).
  • a filter (95) may be provided in the inlet passage (85) to filter out foreign substances such as lint contained in the air flowing in through the exhaust passage (P) from the tub (20).
  • the air flowing in through the inlet passage (85) may pass through the filter (95) and then move to the heating passage (86).
  • a condenser (92) and an evaporator (93) may be arranged in the heating passage (86).
  • the air flowing into the heating passage (86) may be hot and humid because it has passed through the interior of the tub (20).
  • the hot and humid air may be cooled in the evaporator (93) arranged in the heating passage (86) to remove moisture.
  • the air from which moisture has been removed in the evaporator (93) may be reheated by passing through the condenser (92).
  • the drying device (80) may include a washing device (96) for washing the condenser (92) and/or the evaporator (93).
  • the washing device (96) may be provided in the heating passage (86).
  • the washing device (96) may receive water from the water supply device (40) and spray the washing water toward the condenser (92) and/or the evaporator (93).
  • a clothing treatment device (1) may include a drain line (97) for guiding water discharged from a drying device (80).
  • the drain line (97) may guide the washing water sprayed by the washing device (96) for washing the heat exchanger (92, 93) to the outside of the drying device (80).
  • the drain line (97) can guide condensate generated in the heat exchanger (92, 93) of the drying device (80) to the outside of the drying device (80).
  • the drain line (97) can be connected to a drain device (70). Water discharged from the drying device (80) can flow to the drain device (70) along the drain line (97).
  • the condensate can flow from the drying device (80) to the drain pump (71) along the drain line (97) formed between the drying case (81) and the drain pump (71).
  • the drain line (97) can be provided with a hose, a pipe, a duct, or the like to form a condensate path through which the condensate can move.
  • the drain line (97) can connect a drain hole formed in the drying base (81a) and the drain pump (71).
  • the condensate can be discharged from the drying device (80) through the drain hole, pass through the drain line (97), and flow into the drain pump (71).
  • Condensate introduced by the drain pump (71) can be stored in the lower part of the tub (20) via the tub connection pipe (72). Therefore, condensate generated during the drying process can be stored in the lower part of the tub (20). If condensate is stored in the lower part of the tub (20), it may not be drained immediately.
  • the supply path (87) may be arranged to supply heated air back into the interior of the tub (20) by passing through the condenser (92).
  • the supply path (87) may be connected to the heating path (86) and may extend downward to discharge heated air toward the opening of the tub (20).
  • a fan (87a) may be provided in the supply path (87) to cause air to flow into the interior of the tub (20). That is, the fan (87a) may cause air to flow and supply it to laundry inside the drum (30), and may transmit the internal air of the drum (30) to the drying device (80).
  • the fan (97a) may include a sirocco fan.
  • the inlet path (85), the heating path (86), and the supply path (87) can circulate air into the interior of the tub (20) and the drying device (80).
  • a clothing treatment device (1) can supply air discharged from a tub (20) to the interior of the tub (20) after sequentially passing through an inlet passage (85), a heating passage (86), and a supply passage (87) of a drying device (80) located on the upper side of the tub (20).
  • An exhaust path (P) may be provided to discharge moist air passing through the tub (20).
  • the exhaust path (P) may be provided at the rear of the tub (20).
  • the garment treatment device (1) may include a duct cover (29) for forming at least a portion of an exhaust path (P).
  • the duct cover (29) may be provided to cover an open rear surface of a tub duct (28).
  • the tub (20) may include the duct cover (29).
  • the duct cover (29) may form at least a portion of an exhaust path (P) through which air discharged through the tub exhaust port (27) flows to the drying device (80).
  • a tub duct (28) may include a recessed portion (28a) forming a portion of an exhaust path (P) through which air discharged from the inside of the tub (20) flows.
  • a tub exhaust port (27) for discharging air from the inside of the tub (20) may be formed in the recessed portion (28a).
  • the tub duct (28) may include a duct connection portion (28b) that forms another portion of the exhaust path (P) through which air passing through the recess portion (28a) flows.
  • the duct connection portion (28b) may protrude radially outwardly from the outer surface of the tub (20).
  • the duct connection portion (28b) may protrude approximately upwardly from the outer surface of the tub (20).
  • the duct connection portion (28b) may protrude upwardly from the rear end of the tub (20).
  • the present invention is not limited thereto, and the duct connection portion (28b) may be positioned in various ways depending on the position of the drying device (80).
  • the duct connection (28b) can connect the inlet guide (84) of the drying device (80) and the tub duct (28).
  • the duct connection (28b) can extend the exhaust path (P) upward.
  • the duct connection (28b) can form a portion of the exhaust path (P) together with the recessed portion (28a) and the duct cover (29).
  • the duct connection portion (28b) may be formed into a rectangular parallelepiped shape with open upper and rear surfaces.
  • the duct cover (29) may cover the open rear surface of the duct connection portion (28b).
  • the duct cover (29) may be formed to only form one side of the exhaust passage, thereby facilitating the connection and sealing structure.
  • the duct cover (29) can cover the tub duct (28) and the duct connection portion (28b).
  • the duct cover (29) can cover an open side of the tub duct (28) and an open rear side of the duct connection portion (28b).
  • An exhaust path (P) can be formed by the duct cover (29) covering the recessed portion (28a) and the duct connection portion (28b). Since the exhaust path (P) is connected to the inlet path (85), air introduced into the exhaust path (P) through the tub exhaust port (27) can move along the exhaust path (P) and be introduced into the drying device (80) through the inlet path (85).
  • the duct connection portion (28b) may be provided in the shape of a rectangular parallelepiped with only the upper surface through which air is discharged open and the rear surface not open.
  • the duct cover (29) may only cover the tub duct (28).
  • the duct connection portion (28b) may be provided in a configuration included in the tub duct (28).
  • the duct connection portion (28b) of the tub duct (28) may extend from the recess portion (28a) to the inflow guide (84).
  • the tub duct (28) may be connected to the inflow guide (84) by the duct connection portion (28b).
  • the duct connection portion (28b) according to one embodiment of the present disclosure may be described in a configuration included in the tub duct (28).
  • the tub duct (28) may include a step portion (28c) for expanding the cross-sectional area of the exhaust passage (P).
  • the exhaust passage (P) may be provided so that the width of the portion formed by the duct connection portion (28b) is larger than the width of the portion formed in the recess portion (28a) by the step portion (28c).
  • the air inside the tub (20) can be discharged to the tub duct (28) through the tub exhaust port (27) formed in the tub (20).
  • the air discharged to the tub duct (28) can flow along the exhaust path (P) and be supplied to the drying device (80).
  • Heated air from the drying device (80) can be supplied into the interior of the drum (30).
  • the tub exhaust port (27) may be provided at a position opposite to the air inlet (26) through which the heated air from the drying device (80) is supplied to the tub (20).
  • the tub exhaust port (27) may be provided at a position opposite to the air inlet (26) through which the heated air from the drying device (80) is supplied to the tub (20).
  • the supply path (87) for supplying the heated air into the interior of the drum (30) and the tub exhaust port (27) may be arranged to be spaced apart from each other.
  • the clothing treatment device (1) can heat air through a drying device (80) placed on the upper portion of the tub (20) and supply the heated air to the interior of the drum (30).
  • the drying device (80) can dry and heat the air discharged from the drum (30) and circulate the dried and heated air into the interior of the drum (30) to dry the clothes inside the drum (30).
  • the clothing treatment device (1) can supply air discharged from the drum (30) into the interior of the drum (30) after sequentially passing through the inlet path (85), heating path (86), and supply path (87) of the drying device (80).
  • the air that has passed through the inside of the drum (30) can pass through the exhaust path (P) formed at the rear of the tub (20) and then flow into the inlet path (85) of the drying device (80) that is connected to the exhaust path (P).
  • Air introduced into the inlet passage (85) can be heated by passing through the heating passage (86) of the drying device (80).
  • the high temperature and humidity air introduced into the heating passage (86) can be cooled in the evaporator (93) disposed in the heating passage (86) to remove moisture, and then passed through the condenser (92) to be heated again.
  • the heated air passing through the heating path (86) can be supplied back into the interior of the drum (30) through the supply path (87) connected to the heating path (86).
  • the inlet path (85), the heating path (86), and the supply path (87) can circulate air into the interior of the drum (30) and the drying device (80).
  • a garment treatment device (1) may include a temperature sensor (122) configured to detect the temperature of air discharged from a drum (30).
  • This temperature sensor (122) is provided on an inlet passage (85) and can detect the temperature of high-temperature, humid air discharged from the drum (30) and introduced into a drying device (80).
  • the garment treatment device (1) may further include a temperature sensor configured to detect the temperature of air flowing into the drum (30). This temperature sensor may be provided on the supply path (87) and may detect the temperature of heated air heated in the drying device (80) and supplied into the interior of the drum (30).
  • the clothing treatment device (1) may include a washing water heater (24).
  • the washing water heater is provided at the lower side of the tub (20) and can heat the washing water during washing.
  • FIG. 5 illustrates a network of a garment treatment device according to one embodiment of the present disclosure.
  • the clothing treatment device (1) can communicate with other home appliances (not shown), user devices (2), or servers (3).
  • the other appliance may be at least one of various types of home appliances.
  • the other appliance may include, but is not limited to, at least one of a refrigerator, a dishwasher, an electric range, an electric oven, an air conditioner, a washing machine, a dryer, and a microwave oven.
  • the other appliance may include various types of home appliances not shown in the drawings, such as a cleaning robot, a vacuum cleaner, and a television.
  • the aforementioned appliances are merely examples.
  • the server (3) may include a communication module capable of communicating with another server, a garment treatment device (1), or a user device (2), at least one processor capable of processing data received from another server, a garment treatment device (1), or a user device (2), and at least one memory capable of storing a program for processing data or processed data.
  • the server (3) may be implemented as various computing devices such as a workstation, a cloud, a data drive, or a data station.
  • the server (3) may be implemented as one or more servers that are physically or logically separated based on function, detailed configuration of function, or data, and may transmit and receive data through communication between each server and process the transmitted and received data.
  • the server (3) can perform functions such as managing user accounts, registering a garment processing device (1) by linking it to a user account, and managing or controlling the registered garment processing device (1).
  • a user can access the server (3) through a user device (2) and create a user account.
  • the user account can be identified by an ID and password set by the user.
  • the server (3) can register the garment processing device (1) to the user account according to a set procedure.
  • the server (3) can link identification information (e.g., serial number or MAC address) of the garment processing device (1) to the user account, thereby registering, managing, and controlling the garment processing device (1).
  • the user device (2) may include a communication module capable of communicating with the garment treatment device (1) or the server (3), a user interface for receiving user input or outputting information to the user, at least one processor for controlling the operation of the user device (2), and at least one memory in which a program for controlling the operation of the user device (2) is stored.
  • the user device (2) may be carried by the user or placed in the user's home or office, etc.
  • the user device (2) may include, but is not limited to, a personal computer, a terminal, a portable telephone, a smart phone, a handheld device, a wearable device, etc.
  • a program for controlling the garment treatment device (1) i.e., an application
  • the application may be sold installed in the user device (2) or downloaded and installed from an external server.
  • a user can access a server (3) by executing an application installed on a user device (2), create a user account, and register a garment processing device (1) by communicating with the server (3) based on the logged-in user account.
  • the garment treatment device (1) can be registered in the user account by registering the identification information (e.g., serial number or MAC address) of the garment treatment device (1) in the corresponding user account on the server (3).
  • the identification information e.g., serial number or MAC address
  • a user can control a garment treatment device (1) using an application installed on a user device (2). For example, when a user logs into a user account using an application installed on the user device (2), a garment treatment device (1) registered to the user account appears, and when a control command for the garment treatment device (1) is input, the control command can be transmitted to the garment treatment device (1) via the server (3).
  • a network can include both wired and wireless networks.
  • Wired networks include cable networks or telephone networks, while wireless networks can include any network that transmits and receives signals via radio waves. Wired and wireless networks can be interconnected.
  • a network may include a wide area network (WAN) such as the Internet, a local area network (LAN) formed around an access point (AP), and a short-range wireless network that does not use an access point (AP).
  • WAN wide area network
  • LAN local area network
  • AP access point
  • Short-range wireless networks may include, but are not limited to, Bluetooth TM (IEEE 802.15.1), Zigbee (IEEE 802.15.4), Wi-Fi Direct, Near Field Communication (NFC), Z-Wave, etc.
  • An access point can connect a garment processing device (1) or a user device (2) to a wide area network (WAN) to which a server (3) is connected.
  • the garment processing device (1) or a user device (2) can be connected to the server (3) via the wide area network (WAN).
  • the access point (AP) communicates with the clothing treatment device (1) or user device (2) using wireless communication such as Wi-Fi (Wi-Fi TM , IEEE 802.11), Bluetooth (Bluetooth TM , IEEE 802.15.1), Zigbee (IEEE 802.15.4), and can connect to a wide area network (WAN) using wired communication, but is not limited thereto.
  • Wi-Fi Wi-Fi TM , IEEE 802.11
  • Bluetooth Bluetooth TM , IEEE 802.15.1
  • Zigbee IEEE 802.15.4
  • the garment treatment device (1) may be directly connected to a user device (2) or a server (3) without going through an access point (AP).
  • AP access point
  • the clothing treatment device (1) can be connected to a user device (2) or a server (3) via a long-distance wireless network or a short-distance wireless network.
  • the garment treatment device (1) can be connected to the user device (2) via a short-range wireless network (e.g., Wi-Fi Direct).
  • a short-range wireless network e.g., Wi-Fi Direct
  • the garment treatment device (1) can be connected to a user device (2) or a server (3) via a wide area network (WAN) using a long-distance wireless network (e.g., a cellular communication module).
  • WAN wide area network
  • a long-distance wireless network e.g., a cellular communication module
  • the clothing treatment device (1) can be connected to a wide area network (WAN) using wired communication and connected to a user device (2) or a server (3) through the wide area network (WAN).
  • WAN wide area network
  • the garment treatment device (1) can connect to a wide area network (WAN) using wired communication, it can also function as a connection relay. Accordingly, the garment treatment device (1) can connect other home appliances to the wide area network (WAN) to which the server (3) is connected. In addition, other home appliances can connect the garment treatment device (1) to the wide area network (WAN) to which the server (3) is connected.
  • WAN wide area network
  • the garment treatment device (1) can transmit information about its operation or status to another home appliance, a user device (2), or a server (3) via a network.
  • the garment treatment device (1) can transmit information about its operation or status to another home appliance, a user device (2), or the server (3) when a request is received from the server (3), when a specific event occurs in the garment treatment device (1), or periodically or in real time.
  • the server (3) receives information about its operation or status from the garment treatment device (1), it can update the stored information about the operation or status of the garment treatment device (1), and transmit the updated information about the operation and status of the garment treatment device (1) to the user device (2) via a network.
  • updating information can include various operations in which existing information is changed, such as an operation of adding new information to existing information, an operation of replacing existing information with new information, etc.
  • the garment treatment device (1) can obtain various information from other home appliances, user devices (2), or servers (3), and provide the obtained information to the user.
  • the garment treatment device (1) can obtain information related to the function of the garment treatment device (1) (e.g., cooking methods, washing instructions, etc.) and various environmental information (e.g., weather, temperature, humidity, etc.) from the server (3), and output the obtained information through a user interface.
  • information related to the function of the garment treatment device (1) e.g., cooking methods, washing instructions, etc.
  • various environmental information e.g., weather, temperature, humidity, etc.
  • the garment treatment device (1) can operate according to a control command received from another home appliance, a user device (2), or a server (3). For example, if the garment treatment device (1) obtains prior approval from the user so that it can operate according to a control command from the server (3) even without a user input, the garment treatment device (1) can operate according to a control command received from the server (3).
  • the control command received from the server (3) may include, but is not limited to, a control command input by the user through the user device (2) or a control command based on preset conditions.
  • the user device (2) can transmit information about the user to the clothing treatment device (1) or the server (3) via the communication module.
  • the user device (2) can transmit information about the user's location, health status, preferences, schedule, etc. to the server (3).
  • the user device (2) can transmit information about the user to the server (3) with the user's prior consent.
  • the garment treatment device (1), user device (2), or server (3) may determine control commands using technologies such as artificial intelligence.
  • the server (3) may receive information regarding the operation or status of the garment treatment device (1) or information regarding the user of the user device (2), process the information using technologies such as artificial intelligence, and transmit the processing results or control commands to the garment treatment device (1) or the user device (2) based on the processing results.
  • FIG. 6 illustrates a control block of a garment treatment device according to one embodiment of the present disclosure.
  • the clothing treatment device (1) may include a driving device (36), a water supply device (40), a detergent supply device (50, 60), a drainage device (70), a drying device (80), a fan (87a), a user interface device (100), a communication unit (110), a sensor unit (120), and a control unit (130).
  • the driving device (36) may include a motor (36a) configured to rotate the drum (30).
  • the driving device (36) may drive the motor (36a) to rotate the drum (30) forward or backward, thereby performing each operation according to the washing cycle, the rinsing cycle, and/or the dehydration cycle, the drying cycle, or the drying cycle alone.
  • the user interface device (100) may include at least one input interface (101) and at least one output interface (102).
  • At least one input interface (101) can convert sensory information received from a user into an electrical signal.
  • At least one input interface (101) may include a power button, an operation button, a course selection dial (or a course selection button), and a wash/rinse/spin/dry/dry-only setting button.
  • the at least one input interface (101) may include, for example, a tact switch, a push switch, a slide switch, a toggle switch, a micro switch, a touch switch, a touch pad, a touch screen, a jog dial, and/or a microphone.
  • At least one output interface (102) can visually or audibly convey information related to the operation of the garment treatment device (1) to the user.
  • At least one output interface (102) can transmit information related to the washing/drying course and the operating time of the garment treatment device (1), washing settings/rinsing settings/spin settings/drying settings/drying only settings to the user. Information related to the operation of the garment treatment device can be output through a screen, an indicator, voice, etc.
  • At least one output interface (102) 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 communication unit (110) may include at least one communication module.
  • the communication module may support the establishment of a direct (e.g., wired) communication channel or a wireless communication channel between external devices, and the performance of communication through the established communication channel.
  • the communication module may include a wireless communication module (e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module (e.g., a local area network (LAN) communication module, or a power line communication module).
  • GNSS global navigation satellite system
  • a corresponding communication module may communicate with the external device through a first network (e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network (e.g., a long-range communication network such as a legacy cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., a LAN or WAN)).
  • a first network e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)
  • a second network e.g., a long-range communication network such as a legacy cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., a LAN or WAN)
  • a first network e.g., a short-range communication network such as Bluetooth, wireless
  • 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, an UWB (ultrawideband) communication module, an Ant+ communication module, a microwave (uWave) communication module, etc.
  • the communication module can communicate with external devices such as a server (3), a user device (2), and other home appliances via a peripheral access point (AP).
  • the access point (AP) can connect a local area network (LAN) to which the garment treatment device (1) or the user device (2) is connected to a wide area network (WAN) to which the server is connected.
  • the garment treatment device (1) or the user device (2) can be connected to the server (3) via the wide area network (WAN).
  • the sensor unit (120) may include at least one sensor that obtains information related to the status of the garment treatment device (1).
  • the sensor unit (120) may transmit sensor data collected by at least one sensor to the control unit (130).
  • the sensor unit (120) may include a water level sensor (121) that detects the water level of the tub (20) and a temperature sensor (122) that detects the temperature of air discharged from the drum (30).
  • the water level sensor (121) may be installed at the end of the connecting hose (121a) connected to the tub connecting pipe (72). At this time, the water level of the connecting hose (121a) may be the same as the water level of the tub (20). As the water level of the tub (20) rises, the water level of the connecting hose (121a) rises, and as the water level of the connecting hose (121a) rises, the pressure inside the connecting hose (121a) may increase.
  • the water level sensor (121) can detect the pressure inside the connecting hose (121a) and output an electrical signal corresponding to the detected pressure to the control unit (130).
  • the control unit (130) can obtain the water level of the connecting hose (121a), i.e., the water level of the tub (20), based on the pressure of the connecting hose (121a) detected by the water level sensor (121).
  • the water level sensor (121) can detect a frequency that changes according to the pressure of the connecting hose (121a).
  • control unit (130) can obtain the water level of the tub (20) by analyzing the frequency (water level frequency) of an electrical signal corresponding to the output value of the water level sensor (121).
  • a water level sensor (121) may be installed inside the lower part of the tub (20). As the water level of the tub (20) rises, the pressure applied to the water level sensor (121) increases, and accordingly, the water level sensor (121) can detect a frequency that changes according to the water level when the drum (30) rotates.
  • control unit (130) can obtain the water level of the tub (20) by analyzing the frequency (water level frequency) of an electrical signal corresponding to the output value of the water level sensor (121).
  • the control unit (130) can obtain the temperature of the air discharged from the drum (30) from an electrical signal corresponding to the output value of the temperature sensor (122).
  • control unit (130) can control the driving device (36), the water supply device (40), the detergent supply device (50, 60), the drain device (70), the drying device (80), the fan (87a), etc. to perform at least one operation including a washing operation, a rinsing operation, a dehydration operation, and/or a drying operation.
  • control unit (130) can adjust the rotation speed of the motor (36a) to control the rotation speed of the drum (30).
  • control unit (130) can adjust the rotation speed of the fan (87a) to control the circulation speed of the internal and external air of the drum (30).
  • the control unit (130) can be electrically connected to the driving unit (36), the water supply unit (40), the detergent supply unit (50, 60), the drainage unit (70), the drying unit (80), the fan (87a), the user interface unit (100), the communication unit (110), the water level sensor (121), and the temperature sensor (122).
  • the control unit (130) may be composed of hardware such as a CPU, Micom, or memory, and software such as a control program.
  • the control unit (130) may be implemented by including an algorithm for controlling the operation of components within the garment treatment device (1), at least one memory (132) storing data in the form of a program, and at least one processor (131) performing the aforementioned operation using the data stored in the at least one memory (132).
  • the memory (132) and the processor (131) may each be implemented as separate chips.
  • the memory (132) and the processor (131) may be implemented as a single chip.
  • the processor (131) can process output signals of the driving device (36), the water supply device (40), the detergent supply device (50, 60), the drain device (70), the drying device (80), the user interface device (100), the communication unit (110), the water level sensor (121) and/or the temperature sensor (122), and can include an operation circuit, a memory circuit and a control circuit that output control signals to the driving device (36), the water supply device (40), the detergent supply device (50, 60), the drain device (70), the drying device (80), the user interface device (100), the communication unit (110), etc. based on the processed output signals.
  • the memory (132) may include volatile memory such as Static Random Access Memory (S-RAM) and Dynamic Random Access Memory (D-RAM), and non-volatile memory such as Read Only Memory (ROM) and Erasable Programmable Read Only Memory (EPROM).
  • volatile memory such as Static Random Access Memory (S-RAM) and Dynamic Random Access Memory (D-RAM)
  • non-volatile memory such as Read Only Memory (ROM) and Erasable Programmable Read Only Memory (EPROM).
  • FIG. 7 illustrates an example of a flowchart of a method for controlling a garment treatment device according to one embodiment of the present disclosure.
  • control unit (130) can start the drying process (200).
  • the drying process can be started after performing at least one of the washing process, rinsing process, and spin-drying process.
  • the control unit (130) can operate the drying device (80) when the drying process starts (210).
  • the control unit (130) can initialize the drain pump (71) to initialize the water level of the tub (20) when the drying process starts.
  • the control unit (130) can initialize the water level of the tub (20) by initializing the drain pump (71) to drain the condensate stored in the tub (20) when the drying process starts.
  • control unit (130) can operate the fan (87a) and the compressor (91) of the heat pump system to perform the drying process.
  • the fan (87a) and the compressor (91) operate, high-temperature dry hot air is supplied to the drying process contained in the drum (30), thereby drying the drying process.
  • the condensate can be introduced into the tub (20).
  • the condensate can be introduced from the drying device (80) to the drain pump (71) through the drain line (97) connecting the drain hole formed in the drying case (81) and the drain pump (71).
  • the condensate can be discharged from the drying device (80) through the drain hole, passed through the drain line (97), and introduced into the drain pump (71).
  • the condensate introduced into the drain pump (71) can be stored in the lower part of the tub (20) through the tub connecting pipe (72).
  • the condensate generated during the drying process can be stored in the lower part of the tub (20). If the condensate is stored in the lower part of the tub (20), it may not be drained immediately. When the condensate level reaches a preset level, draining can proceed.
  • the water level sensor (121) can detect the water level of the tub (20). In one embodiment, as the water level of the tub (20) rises, the water level of the connecting hose (121a) can rise. As the water level of the connecting hose (121a) rises, the pressure inside the connecting hose (121a) can increase. The water level sensor (121) can detect the pressure inside the connecting hose (121a). Accordingly, the water level sensor (121) can detect a frequency that changes according to the pressure inside the connecting hose (121a). The control unit (130) can obtain the water level of the tub (20) by analyzing the frequency (water level frequency) of the electrical signal corresponding to the output value of the water level sensor (121).
  • the control unit (130) can obtain the water level of the tub (20) based on the output value of the water level sensor (121) during the drying process (220).
  • the control unit (130) can determine whether the water level of the tub (20) is higher than a preset water level (230).
  • the preset water level may be a drainage water level at which the drainage pump (71) of the drainage device (70) operates.
  • the control unit (130) can reacquire the water level of the tub (20) (220) if the water level of the tub (20) has not reached the preset water level (230, No).
  • the control unit (130) can operate the drain pump (710) (240) when the water level of the tub (20) reaches a preset water level (230, example). In the drying process, the control unit (130) can operate the drain pump (71) to discharge the condensate stored in the tub (20) when the water level of the tub (20) reaches a drain water level (e.g., 24600 Hz or lower) at which the drain pump (71) operates.
  • a drain water level e.g., 24600 Hz or lower
  • FIG. 8 illustrates a drainage operation according to the water level of a tub in a garment treatment device according to one embodiment of the present disclosure.
  • the left vertical axis represents the water level frequency
  • the right vertical axis represents the rotation speed of the drainage pump (71)
  • the horizontal axis represents time.
  • the water level sensor (121) generally detects a lower water level frequency as the water level of the tub (20) increases, and may detect a higher water level frequency as the water level of the tub (20) decreases.
  • the drainage pump (71) When the water level of the tub (20) reaches the drainage level at which the drainage pump (71) operates (e.g., 24600 Hz or less), the drainage pump (71) operates and the condensate stored in the tub (20) is drained.
  • control unit (130) can count the number of operations of the drain pump (71) (250).
  • the control unit (130) can store the number of operations of the drain pump (71) in the memory (132).
  • the control unit (130) can determine whether the number of times the drain pump (71) operates is greater than a predetermined number of times during a preset time after starting the drying process (260).
  • the control unit (130) can determine the dryness of the object to be dried based on the water level of the tub (20) (270) if the number of times the drain pump (71) operates is not more than a predetermined number of times for a preset time after starting the drying process (260, No).
  • the dryness of the object to be dried can be determined based on the water level of the tub (20).
  • the control unit (130) can determine the dryness corresponding to the water level value and the water level change amount of the tub (20) as the dryness of the object to be dried.
  • the control unit (130) can end the drying process when the dryness of the object to be dried reaches a preset dryness level. In various embodiments, the control unit (130) can end the drying process when the water level of the tub (20) is lower than the first water level and the water level change amount is lower than the first change amount.
  • the control unit (130) can determine the dryness of the object to be dried based on the exhaust air temperature of the drum (30) (280). For example, if the number of times the drain pump (71) operates is two or more within 5 minutes after starting the drying process, the dryness of the object to be dried can be determined based on the exhaust air temperature of the drum (30) instead of the water level of the tub (20). The control unit (130) can determine the dryness corresponding to the exhaust air temperature of the drum (30) as the dryness of the object to be dried. If the dryness of the object to be dried reaches the preset dryness, the control unit (130) can end the drying process.
  • control unit (130) may terminate the drying process based on the exhaust air temperature of the drum (30) if the number of times the drain pump (71) operates is a predetermined number or more for a preset time after starting the drying process. For example, the control unit (130) may terminate the drying process if the exhaust air temperature of the drum (30) is higher than a preset temperature.
  • FIG. 9 illustrates water discharged from a garment treatment device according to one embodiment of the present disclosure flowing back again.
  • the water level of the tub (20) first reaches the drain water level, and even after the draining process, the water level of the tub (20) can repeatedly reach the drain water level.
  • the clothing treatment device (1) is installed in a high-level drainage installation environment where the drained water may flow back due to the high height of the drain outlet, and thus some of the drained water may not be discharged to the outside but instead flow back toward the drain pump (71) (see FIG. 9).
  • the drain hose (73a) connected to the drain pipe (73) of the clothing treatment device (1) is connected to a drain located at a height of, for example, 8 ft (2.43 m) or 9 ft (2.74 m) or higher.
  • the flowed back water increases the pressure in the connection hose (121a) connected to the tub connection pipe (72) and affects the water level of the tub (20) based on this.
  • the backflowed water may be mistakenly recognized as condensate generated during the drying process.
  • the drying process cannot be terminated at the correct time.
  • FIG. 10 illustrates changes in the water level of a tub when water discharged from a garment treatment device according to one embodiment of the present disclosure flows back again.
  • control unit (130) can initialize the water level of the tub (20) by operating the drainage pump (71) at time t0 after the drying process starts, for example, to drain the condensate stored in the tub (20).
  • the control unit (130) can obtain the water level of the tub (20) by analyzing the frequency (water level frequency) of the electrical signal corresponding to the output value of the water level sensor (121) after the drying process starts or after the operation of the drain pump (71) for initializing the water level of the tub.
  • the control unit (130) can operate the drainage pump (71) at a time point t0 to t1 to discharge the condensate stored in the tub (20).
  • the control unit (130) can detect the water level of the tub (20) through the water level sensor (121) after the drain pump (71) operates.
  • control unit (130) can operate the drain pump (71) at time t1 to time t2 to discharge the condensate stored in the tub (20) again.
  • time t0 to time t2 may be 5 minutes.
  • the control unit (130) can repeatedly operate the drain pump (71) to repeatedly discharge the condensate stored in the tub (20) whenever the water level of the tub (20) reaches the drain water level again at a time point t2 to t9.
  • the clothing treatment device (1) when the clothing treatment device (1) is installed in a low-level drainage installation environment (e.g., a drainage installation environment of less than 8 ft (2.43 m) or 9 ft (2.74 m)), which is a general drainage installation environment, the water level of the tub (20) first reaches the drainage water level after, for example, 20 minutes after starting the drying process, and at this time, the drainage pump (71) can be operated.
  • a low-level drainage installation environment e.g., a drainage installation environment of less than 8 ft (2.43 m) or 9 ft (2.74 m)
  • the drainage pump (71) can be operated.
  • the high temperature and humidity air discharged from the drum (30) is cooled in the evaporator (93), and at this time, moisture in the air condenses, generating condensate.
  • the condensate can be discharged from the drying device (80) through the drain hole, passed through the drain line (97), and introduced into the drain pump (71).
  • the condensate introduced into the drain pump (71) can be stored in the lower part of the tub (20) through the tub connecting pipe (72).
  • the condensate generated during the drying process can be stored in the lower part of the tub (20).
  • the water level of the tub (20) reaches the drain level more than twice repeatedly within 5 minutes after the drying process starts or the drain pump (71) operates at the beginning of the drying process, and the drain pump (71) operates more than twice repeatedly, this may mean that the water level of the tub (20) is not normal condensate. This is because the water condenses within 5 minutes after the drying process starts and the water level of the tub (20) does not reach the drain level at which the drain pump (71) operates.
  • the amount of water required to reach the drainage level that operates the drain pump (71) may be approximately 500 ml.
  • a condensed water amount of 1 L or more is required within 5 minutes.
  • the drying cycle cannot start and the water cannot condense within 5 minutes, generating a condensed water amount of 1 L or more. Therefore, it can be seen that this is not an increase in the condensed water amount, but rather an increase in the water level of the tub (20) due to another cause.
  • the number of times the drain pump (71) operates may be two or more times within five minutes after the drying process begins.
  • the clothing treatment device (1) When the clothing treatment device (1) is installed in a high-level drainage environment where the drain height is high and drained water may flow back, some of the drained water may not be discharged to the outside but may flow back toward the drain pump (71). The flowed back water may increase the pressure of the connecting hose (121a) connected to the tub connecting pipe (72) and thereby raise the water level of the tub (20).
  • the drain pump (71) may repeatedly operate, continuously increasing the drying time. As a result, even if the object to be dried is sufficiently dried, the drying process may continue for an unnecessarily long time.
  • the garment treatment device (1) can determine the dryness of the object to be dried based on the exhaust air temperature of the drum (30) instead of the water level of the tub (20) if the number of times the drain pump (71) operates is two or more within 5 minutes after starting the drying process. That is, when installed in a high-drainage installation environment, the dryness can be determined using the exhaust air temperature of the drum (30) that is not affected by the backflow water, instead of the water level of the tub (20) that is affected by the backflow water.
  • the clothing treatment device (1) according to one embodiment of the present disclosure is installed in a high-drainage installation environment, the dryness of the object to be dried can be accurately and reliably determined, thereby preventing the drying process from lasting unnecessarily long.
  • FIG. 11 illustrates an example of a flow chart for performing a drying process according to a drainage installation environment in which a garment treatment device according to one embodiment of the present disclosure is installed.
  • control unit (130) can determine whether the number of times the drain pump (71) operates is greater than a predetermined number of times during a preset time after starting the drying process (300).
  • control unit (130) can detect the temperature of the air discharged from the drum (30) through the temperature sensor (122) and determine whether the temperature change of the air discharged from the drum (30) exceeds the preset temperature (302).
  • FIG. 12 illustrates a garment treatment device according to one embodiment of the present disclosure performing a drying process based on the temperature of air discharged from a drum.
  • the control unit (130) can determine that the drainage installation environment of the clothing treatment device (1) is a high drainage installation environment (e.g., a height of 8 ft (2.43 m) or 9 ft (2.74 m) or higher) in which the drained water flows back due to a high drainage hole height when the change in exhaust air temperature of the drum (30) exceeds a preset temperature (304).
  • a high drainage installation environment e.g., a height of 8 ft (2.43 m) or 9 ft (2.74 m) or higher
  • the temperature of the exhaust air of the drum (30) at the start of the drying process is referred to as the initial temperature
  • the temperature of the exhaust air of the drum (30) exceeds 1°C compared to the initial temperature within 5 minutes after the start of the drying process, it can be determined that the clothing treatment device (1) is installed in a high-drainage installation environment.
  • FIG. 13 illustrates a garment treatment device according to one embodiment of the present disclosure installed in a high-drainage installation environment.
  • the backflow of water increases the pressure in the connecting hose (121a) connected to the tub connecting pipe (72) and affects the water level in the tub (20) based on this.
  • Heated air supplied from the drying device (80) into the drum (30) may come into contact with the object to be dried contained within the drum (30) to absorb moisture and then be introduced into the drying device (80). If the object to be dried contains a lot of water, the air will absorb more moisture. The more moisture the air absorbs, the more heat energy in the air is used to evaporate the water. As the water evaporates, the air loses heat, which causes the temperature of the air to drop.
  • the temperature of the discharged air of the drum (30) may not exceed 1°C compared to the initial temperature within 5 minutes.
  • control unit (130) determines that the clothing treatment device (1) is installed in a high-drainage installation environment, it can detect the exhaust air temperature of the drum (30) through the temperature sensor (122) (306).
  • the control unit (130) can determine the dryness of the material to be dried based on the exhaust air temperature of the drum (30) instead of the water level of the tub (20) (308).
  • the control unit (130) can determine the dryness of the object to be dried as the dryness corresponding to the temperature of the exhaust air of the drum (30).
  • the control unit (130) can determine whether the dryness of the object to be dried exceeds a preset dryness level (310).
  • the control unit (130) can terminate the drying process (312) when the dryness of the object to be dried exceeds the preset dryness level (310, example).
  • the control unit (130) can maintain the drying process (314) if the dryness of the object to be dried is lower than the preset dryness level (310, no).
  • the control unit (130) may determine that the drainage installation environment of the clothing treatment device (1) is a low-level drainage installation environment (e.g., a height of less than 8 ft (2.43 m) or 9 ft (2.74 m)) in which the drained water does not flow back due to a low drain height (316).
  • a low-level drainage installation environment e.g., a height of less than 8 ft (2.43 m) or 9 ft (2.74 m)
  • the clothing treatment device (1) is installed in a low drainage installation environment.
  • FIG. 14 illustrates a garment treatment device according to one embodiment of the present disclosure installed in a low-drainage installation environment.
  • water discharged through the drain pipe (73) does not flow back into the drain pipe (73).
  • control unit (130) can obtain the water level of the tub (20) through the water level sensor (121) (318).
  • the control unit (130) can determine the dryness of the object to be dried based on the water level of the tub (20) (320).
  • the control unit (130) can determine the dryness of the object to be dried based on the water level value and water level change amount of the tub (20).
  • the control unit (130) determines whether the dryness of the object to be dried exceeds a preset dryness level (310). If the dryness of the object to be dried exceeds the preset dryness level (310, Yes), the control unit (130) can terminate the drying process (312). If the dryness of the object to be dried is lower than the preset dryness level (310, No), the control unit (130) can maintain the drying process (314).
  • the clothing treatment device (1) can accurately and reliably determine the dryness of a drying object even when installed in a high-drainage installation environment, thereby preventing the drying process from lasting unnecessarily long.
  • a clothing treatment device (1) comprises: a drying device (80) including a heat exchanger (92, 93), a compressor (91), and a fan (97a), and having a drainage hole formed therein for draining condensate generated by the heat exchanger (92, 93); a tub (20) provided on a lower side of the drying device (80) and storing condensate drained through the drainage hole; a drainage pump (71) for draining condensate stored in the tub (20); a water level sensor (121) for detecting a water level of the tub (20); a drum (30) rotatably provided in the tub (20); a temperature sensor (122) for detecting a temperature of air discharged from the drum (30); And it may include a control unit (130) that operates the drying device (80) based on the start of the drying process, operates the drain pump based on the water level of the tub (20) reaching a preset level while the drying process is in progress, and determines the dryness of the object to be dried contained in
  • the control unit (130) can determine the drainage installation environment of the garment treatment device based on the change in exhaust air temperature of the drum (30) when the number of times the drainage pump operates is greater than or equal to the predetermined number of times during the preset time after the drying process has started.
  • the control unit (130) may determine that the garment treatment device is installed in a low-drainage installation environment based on the fact that the temperature change of the exhaust air of the drum (30) is below a preset temperature.
  • the control unit (130) can determine the dryness of the object to be dried based on the water level of the tub (20) when it is determined that the clothing treatment device is installed in the low drainage installation environment.
  • the control unit (130) may determine that the garment treatment device is installed in a high-drainage installation environment based on the change in temperature of the exhaust air of the drum (30) exceeding a preset temperature.
  • the above control unit (130) can determine the dryness of the object to be dried based on the temperature of the exhaust air of the drum (30) when it is determined that the garment treatment device is installed in the high-level drainage installation environment.
  • the control unit (130) can terminate the drying process based on the fact that the number of times the drain pump operates is greater than or equal to the predetermined number of times during the preset time after the drying process has started, and that the exhaust air temperature of the drum (30) is greater than or equal to the preset temperature.
  • the control unit (130) can terminate the drying process according to the amount of change in the water level of the tub (20) based on the fact that the number of times the drain pump (71) operates is less than the predetermined number of times during the preset time after the drying process has started.
  • the control unit (130) can determine the dryness of the object to be dried based on the water level of the tub (20) based on the number of times the drain pump operates being less than or equal to the predetermined number of times during the preset time after the drying process has started.
  • the control unit (130) can initially operate the drain pump (71) to initialize the water level of the tub (20) based on the start of the drying process, and can determine the dryness of the object to be dried contained in the drum (30) based on the temperature of the exhaust air of the drum (30) based on the number of times the drain pump operates being equal to or greater than a predetermined number of times during a preset time period after the drain pump (71) is initially operated.
  • a method for controlling a clothing treatment device (1) comprises: a drying device (80) including a heat exchanger (92, 93), a compressor (91), and a fan (97a), and having a drainage hole formed to drain condensate generated by the heat exchanger (92, 93); and a tub (20) provided on a lower side of the drying device (80) and storing condensate drained through the drainage hole, the method comprising: operating the drying device (80) based on the start of a drying cycle; operating a drainage pump (71) for draining condensate stored in the tub (20) based on the water level of the tub (20) reaching a preset water level while the drying cycle is in progress; It may include determining the dryness of the object to be dried contained in the drum (30) based on the temperature of the air discharged from the drum (30) rotatably provided in the tub (20) based on the number of times the drainage pump (71) operates being a predetermined number or more for a preset time after the
  • the above clothing treatment device may include determining the dryness of the object to be dried based on the water level of the tub (20).
  • the above clothing treatment device may include determining the dryness of the object to be dried based on the temperature of the exhaust air of the drum (30).
  • the method may further include terminating the drying process based on the exhaust air temperature of the drum (30) being equal to or greater than the preset temperature when the number of times the drain pump operates is equal to or greater than the predetermined number of times during the preset time after the drying process has started.
  • the method may further include determining the dryness of the object to be dried based on the water level of the tub (20).
  • the disclosed embodiments may be implemented in the form of a storage medium storing computer-executable instructions.
  • the instructions may be stored in the form of program code, and when executed by a processor, may generate program modules to perform the operations of the disclosed embodiments.
  • the method according to various embodiments disclosed in the present document may be provided as included in a computer program product.
  • the computer program product may be traded as a product between a seller and a buyer.
  • the computer program product may be distributed in the form of a machine-readable storage medium (e.g., compact disc read only memory (CD-ROM)), or may be distributed online (e.g., downloaded or uploaded) via an application store (e.g., Play StoreTM) or directly between two user devices (e.g., smartphones).
  • CD-ROM compact disc read only memory
  • an application store e.g., Play StoreTM
  • smartphones directly between two user devices
  • At least a portion of the computer program product may be temporarily stored or temporarily generated in a machine-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or an intermediary server.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

Un appareil de traitement de vêtements selon la présente divulgation comprend : un dispositif de séchage comprenant un échangeur de chaleur, un compresseur et un ventilateur, et présentant un orifice d'écoulement qui permet de faire sortir l'eau de condensation générée par l'échangeur de chaleur ; une cuve disposée sur le côté inférieur du dispositif de séchage, et stockant l'eau de condensation sortant par l'orifice d'écoulement ; une pompe de vidange qui vidange l'eau de condensation stockée dans la cuve ; un capteur de niveau qui détecte le niveau d'eau de la cuve ; un tambour disposé rotatif dans la cuve ; un capteur de température qui détecte la température de l'air évacué du tambour ; et une unité de commande qui fait fonctionner le dispositif de séchage lorsqu'un un cycle de séchage a été lancé, fait fonctionner la pompe de vidange lorsque le niveau d'eau de la cuve atteint un niveau d'eau prédéfini pendant le cycle de séchage, et, lorsque le nombre d'opérations de la pompe de vidange est supérieur ou égal à un nombre prédéterminé de fois pendant un temps prédéfini après le démarrage du cycle de séchage, détermine le degré de séchage d'objets à sécher placés dans le tambour en fonction de la température de l'air évacué du tambour.
PCT/KR2025/005354 2024-05-10 2025-04-21 Appareil de traitement de vêtements et son procédé de commande Pending WO2025234643A1 (fr)

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KR20240062056 2024-05-10
KR10-2024-0062056 2024-05-10
KR10-2024-0121165 2024-09-05
KR1020240121165A KR20250162283A (ko) 2024-05-10 2024-09-05 의류처리장치 및 그 제어방법

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110132151A (ko) * 2010-06-01 2011-12-07 삼성전자주식회사 건조기 및 건조도 측정 방법
KR20180013535A (ko) * 2016-07-29 2018-02-07 엘지전자 주식회사 히트펌프를 구비한 세탁건조기 및 그의 건조운전제어방법
KR20190143317A (ko) * 2018-06-20 2019-12-30 삼성전자주식회사 건조기 및 그의 건조 방법
US20200217002A1 (en) * 2019-01-03 2020-07-09 Haier Us Appliance Solutions, Inc. Method for drain standpipe height detection
US20210115619A1 (en) * 2019-10-22 2021-04-22 Haier Us Appliance Solutions, Inc. Controlling refrigerant and air mass flow rate based on moisture extraction rate in a dryer appliance

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110132151A (ko) * 2010-06-01 2011-12-07 삼성전자주식회사 건조기 및 건조도 측정 방법
KR20180013535A (ko) * 2016-07-29 2018-02-07 엘지전자 주식회사 히트펌프를 구비한 세탁건조기 및 그의 건조운전제어방법
KR20190143317A (ko) * 2018-06-20 2019-12-30 삼성전자주식회사 건조기 및 그의 건조 방법
US20200217002A1 (en) * 2019-01-03 2020-07-09 Haier Us Appliance Solutions, Inc. Method for drain standpipe height detection
US20210115619A1 (en) * 2019-10-22 2021-04-22 Haier Us Appliance Solutions, Inc. Controlling refrigerant and air mass flow rate based on moisture extraction rate in a dryer appliance

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