Abstract: Disclosed are an air conditioner and a control method therefor. The air conditioner includes: a main body; a filter configured to filter impurities externally introduced into the main body; a fan configured to introduce the impurities into the main body through the filter; a sensor configured to detect a filter state value for determining a state of the filter; and a processor configured to determine that a replacement time of the filter arrives when an impurity purification capacity calculated on the basis of the filter state value detected in real time by the sensor is lower than a reference value.

Abstract: An appliance for dehumidification, with a body having an inflow unit and an outflow unit; a heat-exchanging apparatus to condense vapor in the air; a fan to forcedly move the air; a tray to collect condensation water descending from a cooling apparatus; a water container detachably provided at an upper portion of the body to store the condensation water; a pump to pump the condensation water from the tray to the water container; and a drain pipe to guide the condensation water from the pump to the water container. The water container may be easily separated from the appliance to empty the water container when the water container is full, and then the water container may be easily mounted again.

Abstract: Disclosed are an air conditioner and a control method therefor. The air conditioner includes: a main body; a filter configured to filter impurities externally introduced into the main body; a fan configured to introduce the impurities into the main body through the filter; a sensor configured to detect a filter state value for determining a state of the filter; and a processor configured to determine that a replacement time of the filter arrives when an impurity purification capacity calculated on the basis of the filter state value detected in real time by the sensor is lower than a reference value.

Abstract: Disclosed herein are a humidifier and a control method of a humidifier providing with the hygienic humidification since it is possible to completely evaporate water remaining in a water tub because a humidifying element of a humidifier is disposed adjacent to the bottom of the water tub, further, since the humidifier has a structure configured to raise the humidifying element over the water surface of the water tub after the end of the humidifying operation, it is possible to provide the hygienic humidification without contamination of the humidifying element.

Abstract: An evaporative humidifier includes a main body; a reservoir provided in the main body to store water; and a humidifying element assembly rotatably provided in the main body. The humidifying element assembly includes a humidifying element which is configured to absorb water and perform humidification, and a frame to support the humidifying element, the frame including at least one guider portion which guides the water of the reservoir toward one side surface of the humidifying element.

Abstract: An evaporative humidifier includes a main body; a reservoir provided in the main body to store water; and a humidifying element assembly rotatably provided in the main body. The humidifying element assembly includes a humidifying element which is configured to absorb water and perform humidification, and a frame to support the humidifying element, the frame including at least one guider portion which guides the water of the reservoir toward one side surface of the humidifying element.

Abstract: Disclosed herein is a dehumidifier having an outer case having a first inlet hole, a second inlet hole, a first outlet hole, and a second outlet hole, a first draft fan to move air from the first inlet hole to the first outlet hole, a second draft fan to move air from the second inlet hole to the second outlet hole, an evaporator to remove moisture included in the air inlet from the first inlet hole, a compressor to compress refrigerant evaporated at the evaporator, a first condenser disposed at a moving path of the air moved by use of the first draft fan, a second condenser disposed at a moving path of the air moved by use of the second draft fan, and an expansion apparatus to expand the refrigerant condensed at the first condenser or the second condenser.

Abstract: An appliance for dehumidification, with a body having an inflow unit and an outflow unit; a heat-exchanging apparatus to condense vapor in the air; a fan to forcedly move the air; a tray to collect condensation water descending from a cooling apparatus; a water container detachably provided at an upper portion of the body to store the condensation water; a pump to pump the condensation water from the tray to the water container; and a drain pipe to guide the condensation water from the pump to the water container. The water container may be easily separated from the appliance to empty the water container when the water container is full, and then the water container may be easily mounted again.

Abstract: A sterilizing method and apparatus in which neutral atoms and anions are coupled to produce a sterilizing substance which is, in turn, used to remove an object to be removed by sterilization. The sterilizing apparatus includes a cation generator and an anion generator, which are separate from each other. Also disclosed as an air cleaning method and apparatus using the sterilizing method and apparatus.

Abstract: An air filter, an elevator having the same, and an air conditioning control method thereof purify the air inside the elevator to make the air safe and pleasant using a micro plasma ion generator (MPI). The elevator includes a cage which moves up and down in a vertical direction of a building and an air filter which purifies the air inside the cage. The air filter includes an ion generator which generates ions by a plasma discharge to discharge the ions into the cage, a dust sensor which detects a dust contamination level in the cage, and a controller which compares the dust contamination level detected by the dust sensor with a predetermined standard contamination level and operates the ion generator If the dust contamination level is equal to or greater than the predetermined standard contamination level.

Abstract: A sterilizing method and apparatus in which neutral atoms and anions are coupled to produce a sterilizing substance which is, in turn, used to remove an object to be removed by sterilization. The sterilizing apparatus includes a cation generator and an anion generator, which are separate from each other. Also disclosed as an air cleaning method and apparatus using the sterilizing method and apparatus.

Abstract: A sterilizing method and apparatus in which neutral atoms and anions are coupled to produce a sterilizing substance which is, in turn, used to remove an object to be removed by sterilization. The sterilizing apparatus includes a cation generator and an anion generator, which are separate from each other. Also disclosed as an air cleaning method and apparatus using the sterilizing method and apparatus.

Abstract: An air filter, an elevator having the same, and an air conditioning control method thereof purify the air inside the elevator to make the air safe and pleasant using a micro plasma ion generator (MPI). The elevator includes a cage which moves up and down in a vertical direction of a building and an air filter which purifies the air inside the cage. The air filter includes an ion generator which generates ions by a plasma discharge to discharge the ions into the cage, a dust sensor which detects a dust contamination level in the cage, and a controller which compares the dust contamination level detected by the dust sensor with a predetermined standard contamination level and operates the ion generator If the dust contamination level is equal to or greater than the predetermined standard contamination level.

Abstract: A ceramic electrode structure designed to have an enhanced construction, wherein an induction electrode has an area larger than that of a discharge electrode. A high square pulse voltage is applied to the enhanced ceramic electrode structure, thereby increasing an efficiency of ion generation and effectively restricting generation of ozone.

Abstract: Disclosed are a refrigerator equipped with an ion generator and a method for controlling the same, capable of maintaining the density of ozone, which is generated together with ions, to a level less than a predetermined level. The refrigerator and the method for controlling the same can adjust the density of ozone in the refrigerator without employing additional equipment or the control for the equipment such that the ozone is not harmful to a human body by incorporating an operational pattern of a damper operating according to the temperatures of both a freezing chamber and a refrigerating chamber with the operation of the ion generator in order to control the density of the ozone generated from the insides of plural storage rooms by the operation of the ion generator.

Abstract: A filter sterilizer for an air purifier and a method for controlling the same. The filter sterilizer includes a filter unit for purifying indoor air, and a controller for controlling the operation of sterilizing the filter. The controller operates both an air blast fan and an ion generator in an air purification mode, to sterilize indoor air, and stops the operation of the air blast fan and operates the ion generator independently in a filter sterilization mode, to sterilize the filter unit. The filter sterilizer sterilizes the filter unit for purifying air without a separate sterilizing apparatus, thereby reducing a user's economic burden and simply sterilizing the filter unit.

Abstract: A refrigerator with an evaporator having a refrigerant pipe, and a defrosting heater placed below the evaporator and defrosting the evaporator, wherein the refrigerant pipe includes a main refrigerant pipe evaporating a refrigerant, and a heat-transfer refrigerant pipe extended from a lower part of the main refrigerant pipe so as to exchange heat, and disposed adjacent to the defrosting heater. Therefore, the refrigerator can defrost an evaporator quickly and uniformly.

Abstract: An ion generation apparatus. The ion generation apparatus includes: an ion generator including a positive ion generation electrode and/or a negative ion generation electrode, for receiving a high voltage to generate ions; a high voltage generator for applying a high voltage to the ion generator; and a controller for changing the high voltage applied to the ion generator. The ion generation apparatus can easily change the quantity of positive(+) or negative(?) ions generated from the ion generator by changing a high voltage applied to an electrode of the ion generator so that a user can conveniently use the ion generation apparatus irrespective of installation environments.

Abstract: A ceramic electrode structure designed to have an enhanced construction, wherein an induction electrode has an area larger than that of a discharge electrode. A high square pulse voltage is applied to the enhanced ceramic electrode structure, thereby increasing an efficiency of ion generation and effectively restricting generation of ozone.

Abstract: A filter sterilizer for an air purifier and a method for controlling the same. The filter sterilizer includes a filter unit for purifying indoor air, and a controller for controlling the operation of sterilizing the filter. The controller operates both an air blast fan and an ion generator in an air purification mode, to sterilize indoor air, and stops the operation of the air blast fan and operates the ion generator independently in a filter sterilization mode, to sterilize the filter unit. The filter sterilizer sterilizes the filter unit for purifying air without a separate sterilizing apparatus, thereby reducing a user's economic burden and simply sterilizing the filter unit.