Abstract:
Disclosed are a clothes treating apparatus with a heat pump and an operating method thereof. For a clothes treating apparatus comprising a drum configured to accommodate therein an object to be dried, an air suction means configured to form a flow path of air introduced into the drum, an air exhaustion means configured to form a flow path of air exhausted from the drum, a condenser disposed to heat air sucked into the drum through the air suction means, an evaporator disposed to cool air exhausted from the drum through the air exhaustion means, a compressor configured to compress a refrigerant introduced from the evaporator, and a variable expander configured to expand a refrigerant introduced from the condenser, and having a variable open degree, the operation method includes measuring a temperature (Tei) of a refrigerant introduced into the evaporator, and a temperature (Tci) of a refrigerant introduced into the compressor, and decreasing an open degree of the variable expander when a temperature difference (Tci-Tei) between the two measured temperatures is less than a predetermined first value, wherein in the step of decreasing the open degree of the variable expander, an open degree decrease width when the open degree is small is set to be narrower than that when the open degree is large.
Abstract:
Disclosed is a laundry treating apparatus including: a cabinet having a laundry inlet and a filter insertion hole defined in a front face thereof; a drum rotatably disposed inside the cabinet and having a laundry storage space defined therein communicating with the laundry inlet; a duct disposed inside the cabinet, wherein the duct defines a channel for supplying air discharged from the drum back to the drum; a fan to move air along the duct; a heat exchanger including a heat-absorber to remove moisture from air introduced into the duct and a heat-emitter disposed inside the duct to heat air passing through the heat-absorber; a water collector constructed to communicate with the duct and to store therein water discharged from the water passing through the heat-absorber; a filter assembly including: a filter assembly body attachable to or detachable from the duct and constructed to be extended from or retractable into the cabinet through the filter insertion hole; a first filter disposed in the filter assembly body to filter fluid moving to the heat-absorber; and a second filter disposed in the filter assembly body to filter fluid moving to the water collector, wherein the second filter is positioned below the first filter; a water discharger detachably disposed in the cabinet and having a water storage space defined therein; a water discharger supply pipe for supplying water stored in the water collector to the water discharger; a water ejector configured to eject water into the first filter; and a water ejector supply pipe for supplying water stored in the water collector to the water ejector. Further, a method for controlling the apparatus is disclosed.
Abstract:
Disclosed is a laundry treating apparatus including: a water discharger supply pipe for supplying water stored in a water collector to a water discharger; a water supply pipe constructed to connect the water discharger and the water collector to each other; and a water collector water-level sensor for measuring a water-level inside the water collector, and a controller configured to control the laundry treating apparatus comprising: a water-level sensing operation in which the water collector water-level sensor measures the water-level of the water collector during a drying operation; and a cleaning water supply operation in which when the water-level of the water collector is lower than a predefined cleaning-related reference water-level, a water supply valve is controlled to supply water stored in the water discharger to the water collector.
Abstract:
Disclosed is a method for controlling a laundry treating apparatus, wherein the laundry treating apparatus includes: a drum having a laundry storage space defined therein; a duct defining a channel for supplying air discharged from the drum back to the drum; a fan to move air along the duct; a heat-absorber for removing moisture from air introduced into the duct; a heat-emitter disposed inside the duct to heat air passing through the heat-absorber; a water collector for storing therein water discharged from air passing through the heat-absorber; a first filter for filtering air flowing from the drum to the duct; a second filter positioned between the first filter and the heat-absorber and filtering air passing through the first filter; a water discharger having a water storage space defined therein; a water discharger supply pipe for supplying water stored in the water collector to the water discharger; a water ejector for ejecting water into at least one of the second filter or the heat-absorber; a water ejector supply pipe for supplying water stored in the water collector to the water ejector; a water supply pipe constructed to connect the water discharger and the water collector to each other; a water supply valve for controlling opening and closing of the water supply pipe.
Abstract:
Disclosed are a method for diagnosing a clothes treating apparatus, and a clothes treating apparatus having a refrigerant leakage detecting means. In a clothes treating apparatus comprising a drum configured to accommodate therein an object to be dried, an air suction means configured to form a flow path of air introduced into the drum, an air exhaustion means configured to form a flow path of air exhausted from the drum, a condenser disposed to heat air sucked into the drum through the air suction means, an evaporator disposed to cool air exhausted from the drum through the air exhaustion means, and a compressor and an expander configured to constitute a heat pump together with the condenser and the evaporator, the method includes a temperature detection step of detecting a temperature change of air passing through the condenser or the air suction means, and a determination step of determining that refrigerant leakage has occurred when a temperature decrease amount measured in the temperature detection step is more than a predetermined level.
Abstract:
Disclosed is a method for controlling a laundry treating apparatus including an efficiency increasing operation and an efficiency maintaining operation, wherein the efficiency increasing operation includes a first efficiency increasing operation, wherein the controller controls the first driver such that an RPM of the drum corresponds to a first drum RPM and controls the second driver such that an RPM of the fan corresponds to a first fan RPM to perform a first efficiency increasing process, and a second efficiency increasing operation, wherein, after the first efficiency increasing operation, the controller controls the first driver such that the RPM of the drum corresponds to the first drum RPM and controls the second driver such that the RPM of the fan corresponds to a second fan RPM higher than the first fan RPM to perform a second efficiency increasing process.
Abstract:
Disclosed is a laundry treating apparatus including a cabinet, a drum, a fluid circulator, an air circulator including a humidity sensor, a driver, and a controller, wherein a drying operation includes an efficiency increasing process for increasing drying efficiency inside the drum, an efficiency maintaining process for maintaining the drying efficiency, and an efficiency decreasing process for reducing the drying efficiency, wherein the controller performs the drying operation while distinguishing the efficiency increasing process, the efficiency maintaining process, and the efficiency decreasing process from each other using a measured value of the humidity sensor.
Abstract:
A laundry machine (100) is disclosed. The laundry machine (100) includes a tub (120), an air supply unit (160) configured to circulate air in the tub (120), a heat pump including a compressor (165), an evaporator (220), an expansion valve, and a condenser (240), the heat pump being configured to dehumidify and heat the air from the air supply unit (160), and a cooling unit (300, 400, 500) installed at the compressor (165) to cool the compressor (165) using a supplied fluid.
Abstract:
A laundry machine (100) is disclosed. The laundry machine (100) includes a cabinet (110) defining an exterior of the laundry machine (100), a tub(120) provided to the cabinet (110), a drum (150) rotatably provided in the tub (120), a suction duct (162) positioned on an outer circumferential surface of a rear portion of the tub (120) to suction air from the tub (120), a discharge duct (168) positioned at a front of the tub (120) to supply air to the tub (120), a connection duct (163) positioned between the suction duct (162) and the discharge duct (168), the connection duct (163) being provided with a heat exchanger (200, 300) for heating of the air, and a circulation fan (167) positioned between the connection duct (163) and the discharge duct (168) to circulate the air.
Abstract:
Disclosed is a clothes dryer having a heat pump, the clothes dryer capable of enhancing energy efficiency by recovering waste heat to the maximum in correspondence to a capacity of the heat pump, capable of enhancing reliability by preventing overheating of a compressor and a heat exchange means, and capable of shortening drying time. The clothes dryer includes a body, a tub rotatably installed in the body, a suction duct installed at the body, and configured to suck external air and to supply the external air into the tub, an exhaustion duct configured to exhaust air having passed through the tub to outside of the body, and a heat pump having a heat exchange means for recovering waste heat by heat-exchanging air passing through the exhaustion duct, wherein part of the air exhausted via the exhaustion duct is heat-exchanged with the heat exchange means of the heat pump.