EP2423608A2 - Innenraumeinheit für eine Klimaanlage und Steuerungsverfahren dafür - Google Patents

Innenraumeinheit für eine Klimaanlage und Steuerungsverfahren dafür Download PDF

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Publication number
EP2423608A2
EP2423608A2 EP11176864A EP11176864A EP2423608A2 EP 2423608 A2 EP2423608 A2 EP 2423608A2 EP 11176864 A EP11176864 A EP 11176864A EP 11176864 A EP11176864 A EP 11176864A EP 2423608 A2 EP2423608 A2 EP 2423608A2
Authority
EP
European Patent Office
Prior art keywords
indoor unit
sensing
unit
indoor
distance
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.)
Granted
Application number
EP11176864A
Other languages
English (en)
French (fr)
Other versions
EP2423608A3 (de
EP2423608B1 (de
Inventor
Kidong Kim
Hojung Kim
Sungwon Han
Inho Choi
Kunghwan Kim
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP2423608A2 publication Critical patent/EP2423608A2/de
Publication of EP2423608A3 publication Critical patent/EP2423608A3/de
Application granted granted Critical
Publication of EP2423608B1 publication Critical patent/EP2423608B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • F24F1/0038—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room in combination with simultaneous exhaustion of inside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature

Definitions

  • Exemplary embodiments of the present invention relate to an indoor unit for an air conditioner and a control method thereof.
  • an air conditioner as a cooling/heating system that suctions indoor air to exchange heat with refrigerant and thereafter, discharge heat-exchanged air to a room is an apparatus forming a refrigeration cycle constituted by a compressor, a condenser, an expansion device, and an evaporator.
  • the air conditioner is classified into a separate type air conditioner in which an outdoor unit and an indoor unit are separated and installed and an integral air conditioner in which the outdoor unit and the indoor unit are integrally installed.
  • the separate type air conditioner includes the outdoor unit installed outdoors and the indoor unit installed in a building.
  • a heat exchanger can be provided in each of the outdoor unit and the indoor unit.
  • the indoor unit may be buried in a ceiling.
  • the indoor unit may be called a ceiling buried indoor unit. Air of which heat is exchanged in the ceiling buried indoor unit may be discharged downwardly from the ceiling.
  • the amount of air discharged from the indoor unit is controlled to vary depending on the height of the ceiling. That is, as the ceiling is higher, a discharge amount of air may be controlled to be larger.
  • the height of the ceiling in which the ceiling buried indoor unit is installed may be various depending on the structure or size of the building.
  • the ceiling buried indoor unit in the related art was installed in an installation space, there was inconvenience that the size of the installation space, e.g., the height of the ceiling should be additionally set.
  • the height of the ceiling was not set or wrongly set, the amount of air discharged from the indoor unit was inappropriately controlled.
  • an operation of the indoor unit in the related art is not controlled depending on the actual height of the ceiling but controlled depending on a height section divided with a predetermined width. That is, when different ceiling heights are included in the same height section, air of the same amount may be controlled to be discharged.
  • a person who lives in an indoor space having a relatively low ceiling height among the ceiling heights included in the same height section feels the cold and a person who lives in an indoor space having a relatively high ceiling height feels the heat.
  • the indoor unit when the indoor unit is installed to be concentrated on any one side of the indoor space, that is, the indoor unit is installed to be closer to the other wall surface than one wall surface, the discharge amount of air is unbalanced with respect to the entirety of the indoor space.
  • the present invention has been made in an effort to provide an indoor unit for an air conditioner in which the discharge of air can be appropriately controlled depending on an installation height of the indoor unit.
  • the present invention has been made in an effort to provide an indoor unit for an air conditioner in which the discharge amount of air can be appropriately controlled depending on a distance between the indoor unit and a wall surface.
  • an exemplary embodiment of the present invention provides an indoor unit for an air conditioner buried in a ceiling and including a heat exchanger with respect to an indoor space defined by a bottom surface, the ceiling, and a plurality of wall surface including: a front panel where a suction part suctioning air of the indoor space; a discharge hole placed on at least one side of the suction part and discharging heat-exchanged air from the heat exchanger; an opening member provided movably to selectively open the discharge hole; a distance sensing unit sensing at least one of a distance up to the bottom surface from the front panel or the indoor unit and a distance up to the wall surface from the indoor unit; and a controller controlling the opening degree of the opening member based on a sensing result sensed by the distance sensing unit.
  • Yet another exemplary embodiment of the present invention provides a control method of an indoor unit for an air conditioner buried in a ceiling and including a heat exchanger for cooling or heating and discharge veins controlling the discharge amount of air passing through the heat exchanger with respect to an indoor space defined by a bottom surface, a ceiling, and a plurality of wall surface, including: sensing an installation height of the indoor unit based on the bottom surface; determining the discharge amount of the air based on the installation height of the indoor unit; and starting the indoor unit.
  • the installation height of the indoor unit can be measured by the distance sensing sensor and the discharge amount of air can be appropriately controlled depending on the measured height.
  • the indoor space can be effectively cooled or heated.
  • the distance between the indoor unit and the wall surface can be measured by the distance sensing sensor and the discharge amount of air can be appropriately controlled depending on the measured distance up to the wall surface.
  • FIG. 1 is a perspective view of an indoor unit according to a first exemplary embodiment of the present invention.
  • the indoor unit 100 includes a body 110 buried in a ceiling and including a plurality of components for air conditioning, which are incorporated therein and a front panel 150 provided on the front of the body 110 and exposed from the ceiling to the outside.
  • the suction part 120 is formed at the center of the front panel 150 and the plurality of discharge holes 155 may be provided around the suction part 120. However, forming positions of the suction part 120 and the discharge hole 155 are not limited thereto.
  • a discharge vein 164 as an "opening member" selectively opening the discharge hole 155 is included in the front panel 150.
  • the discharge vein 164 may be provided movably at one side of the discharge hole 155. According to movement of the discharge vein 164, e.g., a rotation operation, the amount or a discharge direction of air discharged through the discharge hole 155 may be controlled.
  • a heat exchange for cooling or heating the air suctioned into the indoor unit 100 and a blowing fan providing suction force may be provided in the body 110.
  • the height sensing unit 170 is provided on a front surface of the front panel 150 and may be placed downwardly.
  • a distance measuring sensor may be included in the height sensing unit 170.
  • FIG. 2 is a diagram showing a configuration of the indoor unit according to the first exemplary embodiment of the present invention.
  • the indoor unit 100 includes the height sensing unit 170 sensing the height of the ceiling where the indoor unit 100 is installed and a temperature sensing unit 175 sensing the temperature of the indoor space.
  • the temperature sensing unit 175 may include a temperature sensor.
  • the indoor unit 100 further includes a fan assembly 180 capable of adjusting the discharge amount of air depending on the height sensed by the height sensing unit 170.
  • the fan assembly 180 includes a fan motor 182 providing driving force and a blowing fan 184 provided to be rotatable by the fan motor 182.
  • the RPM of the fan motor 182 is controlled to increase or decrease in proportion to the height of the ceiling.
  • the indoor unit 100 further includes a memory unit 190 storing data.
  • a table associated with the height sensed by the height sensing unit 170 and the RPM of the fan motor 182 may be mapped and stored.
  • the indoor unit 100 further includes a discharge control unit 160 controlling the amount or discharge direction of the air discharged through the discharge hole 155.
  • the discharge control unit 160 includes the discharge vein selectively opening the discharge hole 155 and a discharge motor 162 providing driving force to the discharge vein 164.
  • the discharge vein 164 may be provided to be rotatable or movable straightly.
  • the plurality of discharge veins 164 may be provided to correspond to the discharge holes 155.
  • the indoor unit 100 further includes a controller 200 receiving information sensed by the sensing units 170 and 175 and controlling the driving motors 162 and 182.
  • FIG. 3 is a flowchart of a control method of the indoor unit according to the first exemplary embodiment of the present invention. Referring to FIG. 3 , the control method of the indoor unit according to the exemplary embodiment of the present invention will be described.
  • Power is applied to the indoor unit 100.
  • the power of the indoor unit may be controlled remotely by a remote controller.
  • the installation height of the indoor unit i.e., the height of the ceiling may be sensed by the height sensing unit 170 (S12).
  • the fan motor 182 is controlled with RPM corresponding to the sensed height, and as a result, the blowing fan 184 may be rotated.
  • the RPM of the fan motor 182 may be higher (S 13).
  • the control for compensating for a difference between the indoor temperature sensed by the temperature sensing unit 175 and a set (target) temperature is performed.
  • the compensation control may be performed based on the height of the ceiling.
  • a predetermined error value may be generated between a surrounding temperature of the temperature sensing unit 175 positioned around the ceiling and a temperature between locations (approximately 1 to 1.5 m from the bottom surface) which residents feel.
  • the compensation control may be appreciated as a control method for compensating the error value to an appropriate level.
  • the difference between the indoor temperature and the set temperature as a first temperature difference may be recognized as 5°C.
  • an actual temperature difference (a second temperature difference) is just recognized as 5°C.
  • the ceiling height (the installation height of the indoor unit), 3.2 may be a predetermined installation height which is a reference for adding or subtracting the compensation constant.
  • the second temperature difference when the installation height of the indoor unit is higher than 3.2 , the second temperature difference is compensated to be larger than the first temperature difference and when the installation height of the indoor unit is lower than 3.2 m, the second temperature difference may be compensated to be smaller than the first temperature difference.
  • data associated with the application of the compensation constant and the temperature compensation may be stored in the memory unit 190 in advance (S14).
  • an opening angle of the discharge vein 164 may be adjusted by controlling the discharge motor 162, and as a result, the direction or amount of the air discharge through the discharge hole 155 may be controlled (S15). After the set-up is made, the indoor unit 100 may start (S16).
  • FIG. 4 is a graph showing variation in flow rate of discharged air depending on the height of the indoor unit in the first exemplary embodiment of the present invention.
  • the amount of the air discharged from the indoor unit 100 varies in linear proportion to the height of the ceiling.
  • the flow rate of the air discharged through the discharge hole 155 may be controlled as Wo.
  • the flow rate of the air discharged through the discharge hole 155 may be controlled by the RPM of the blowing fan 184 or the opening degree of the discharge vein 164.
  • the flow rate corresponding to the height may be stored in the memory unit 190 in advance.
  • the flow rate of the discharged air increases linearly (WO ⁇ W1 ⁇ W2). That is, the flow rate of the discharged air may be appropriately controlled to correspond to the actual height of the ceiling.
  • the flow rate may be automatically controlled depending on the sensed information of the height sensing unit 170 without additionally setting the height.
  • FIG. 5 is a block diagram showing a configuration of an indoor unit according to a second exemplary embodiment of the present invention
  • FIG. 6 is a flowchart of a control method of the indoor unit according to the second exemplary embodiment of the present invention
  • FIG. 7 is a diagram showing the flow rate of discharged air depending on a position where the indoor unit is placed.
  • the indoor unit 100 includes a wall surface sensing unit 172 sensing a distance to a wall surface of an indoor space from the indoor unit 100 or a front panel 150.
  • the wall surface sensing unit 172 may include a distance sensor.
  • the wall surface sensing unit 172 and the height sensing unit 170 may be called a "distance sensing unit”.
  • the wall surface sensing unit 172 is provided on the front panel 150 and may be placed so that a sensing direction of the wall surface sensing unit 172 face the wall surface.
  • the wall surface sensing unit 172 may be constituted by a plurality of sensors facing a plurality of wall surfaces.
  • the wall surface sensing unit 172 may be constituted by one sensor and installed to be rotatable.
  • the wall surface sensing unit 172 senses a distance up to one wall surface and thereafter, rotates while facing one direction and may sense a distance up to the other wall surface while facing the other direction.
  • the wall surface sensing unit 172 may further include a direction switching unit switching the direction to face the plurality of wall surfaces.
  • the indoor unit 100 includes a discharge control unit 260 including a plurality of discharge veins.
  • the plurality of discharge veins include a first discharge vein 261, a second discharge vein 262, a third discharge vein 263, and a fourth discharge vein 264.
  • Opening or not or opening degree of the plurality of discharge veins 261, 262, 263, and 264 may be controlled independently.
  • the indoor unit 100 may include one or more discharge motors for independently driving the plurality of discharge veins 261, 262, 263, and 264.
  • a table associated with the distance values sensed by the height sensing unit 170 or the wall surface sensing unit 172 and the RPM of the fan motor 182 or the opening degree of the discharge control unit 260 may be mapped and stored in the memory unit 190.
  • data regarding application of a compensation constant depending on the distance value and temperature compensation may be stored in the memory unit 190 in advance.
  • an installation height of the indoor unit may be sensed by the height sensing unit 170 (S21 and S22).
  • distances up to the plurality of wall surfaces from the indoor unit 100 may be respectively sensed through the wall surface sensing unit 172.
  • an output (RPM) of the fan motor 182 is controlled and compensation control for a difference between an indoor temperature and a set temperature depending on the height may be performed (S25).
  • the RPM of the discharge motor or the opening angels of the discharge veins 261, 262, 263, and 264 are adjusted to correspond to the sensed distances up to the wall surface to control a discharge direction and discharge flow rate of air (S26).
  • the indoor unit 100 starts.
  • the opening degrees of the discharge veins 261, 262, 263, and 264 may be controlled to be different from each other (S27).
  • FIG. 7 three cases in which the indoor unit 100 is placed at different positions in an indoor space 300. It is assumed that the indoor space 300 has a substantially square shape.
  • the opening degrees of the first to fourth discharge veins 261, 262, 263, and 264 may be substantially the same as each other.
  • the flow rate of the air discharged from the indoor unit 100 have substantially equal to each other with respect to four directions.
  • the opening degree of the second discharge vein 262 is small and the flow rate of the air discharge from the second discharge vein 262 may be thus smallest.
  • the flow rate discharged from the third discharge vein 263 is largest and the flow rates discharged from the first discharge vein 261 and the fourth discharge vein 264 may be larger than the flow rate discharged from the second discharge vein and smaller than the flow rate discharged from the third discharge vein 263.
  • the opening degrees of the discharge veins will be controlled to increase in the order of the second discharge vein 262, the first and fourth discharge veins 261 and 264, and the third discharge vein 263.
  • the opening degree of each of the discharge veins 261, 262, 263, and 264 corresponding thereto may be controlled.
  • the flow rates discharged from the first discharge vein 261 and the third discharge vein 263 may be smallest.
  • the flow rates discharged from the second discharge vein 262 and the fourth discharge vein 264 may be larger than the flow rates discharged from the first discharge vein 261 and the third discharge vein 263.
  • the plurality of discharge veins are placed to face the plurality of wall surfaces and the opening degree of the discharge vein may be controlled to correspond to the distance value up to the wall surface which each discharge vein faces. That is, as the distance value is larger, the opening degree of the corresponding discharge vein may be larger in proportion thereto.
  • the opening degree of the discharge vein corresponding to each wall surface may be controlled depending on the distances up to the plurality of wall surfaces, the entire indoor space can be evenly cooled or heated.
  • FIG. 8 is a block diagram showing a configuration of an indoor unit according to a third exemplary embodiment of the present invention.
  • the indoor unit 100 or the front panel 150 includes one distance sensing unit 270 sensing the height of the indoor space or the distance up to the wall surface.
  • the distance sensing unit 270 includes a sensing sensor 272 sensing a distance up to the bottom surface or one wall surface of the indoor space or from the front panel 150 and a direction switching unit 274 switching a placement direction of the sensing sensor 272.
  • the direction switching unit 274 includes a motor or an actuator.
  • the sensing sensor 272 may sense the installation height of the indoor unit while facing one direction. In addition, the sensing sensor 272 is moved by the direction switching motor 274 and thereafter, may sense a distance up to one wall surface among the plurality of wall surfaces while facing the other direction.
  • the sensing sensor 272 may respectively sense the distances up to the plurality of wall surfaces while the direction is switched. As described above, one sensing sensor 272 can be direction-switched to sense the installation height of the indoor unit and the distances up to the wall surface in sequence.
  • the configuration of the indoor unit becomes compact and a fabrication cost can be saved.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
EP11176864.4A 2010-08-23 2011-08-08 Innenraumeinheit für eine Klimaanlage und Steuerungsverfahren dafür Not-in-force EP2423608B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100081405A KR20120018519A (ko) 2010-08-23 2010-08-23 공기 조화기의 실내기 및 그 제어방법

Publications (3)

Publication Number Publication Date
EP2423608A2 true EP2423608A2 (de) 2012-02-29
EP2423608A3 EP2423608A3 (de) 2013-04-17
EP2423608B1 EP2423608B1 (de) 2017-01-18

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EP11176864.4A Not-in-force EP2423608B1 (de) 2010-08-23 2011-08-08 Innenraumeinheit für eine Klimaanlage und Steuerungsverfahren dafür

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Country Link
US (1) US20120042662A1 (de)
EP (1) EP2423608B1 (de)
KR (1) KR20120018519A (de)
CN (1) CN102374590B (de)
ES (1) ES2621221T3 (de)

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KR101823208B1 (ko) 2015-12-04 2018-01-29 엘지전자 주식회사 공기 조화기 및 그 제어방법
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KR102043123B1 (ko) * 2018-02-08 2019-11-11 엘지전자 주식회사 천장형 공기조화기
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CN102374590B (zh) 2016-05-04
ES2621221T3 (es) 2017-07-03
EP2423608A3 (de) 2013-04-17
CN102374590A (zh) 2012-03-14
KR20120018519A (ko) 2012-03-05
US20120042662A1 (en) 2012-02-23
EP2423608B1 (de) 2017-01-18

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