EP2368074B1 - Air conditioner and method for controlling the same - Google Patents

Air conditioner and method for controlling the same Download PDF

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Publication number
EP2368074B1
EP2368074B1 EP09835196.8A EP09835196A EP2368074B1 EP 2368074 B1 EP2368074 B1 EP 2368074B1 EP 09835196 A EP09835196 A EP 09835196A EP 2368074 B1 EP2368074 B1 EP 2368074B1
Authority
EP
European Patent Office
Prior art keywords
air
conditioning
unit
wind
temperature
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.)
Not-in-force
Application number
EP09835196.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2368074A2 (en
EP2368074A4 (en
Inventor
Ho-Jung Kim
Jae-Dong Jang
Kyung-Hwan 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 EP2368074A2 publication Critical patent/EP2368074A2/en
Publication of EP2368074A4 publication Critical patent/EP2368074A4/en
Application granted granted Critical
Publication of EP2368074B1 publication Critical patent/EP2368074B1/en
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
    • 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
    • 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
    • F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy
    • F24F2120/12—Position of occupants

Definitions

  • the present disclosure relates to an air conditioner and, more particularly, to an air conditioner and a method for controlling the air conditioner.
  • An air conditioner is an appliance that cools or heats an indoor space.
  • the air conditioner includes a compressor, an expanding device, an indoor heat exchanger, and an outdoor heat exchanger that constitute a heat-exchange cycle.
  • the indoor space is cooled or heated by the heat exchange between a refrigerant and indoor or outdoor air passing through the indoor and outdoor heat exchangers.
  • an indoor heat exchanger for air-conditioning an indoor space is provided in an indoor unit 1.
  • the indoor unit 1 is provided with an air inlet 2 for introducing indoor air and an air outlet 3 for discharging the air introduced through the air inlet 2 and heat-exchanging with the indoor heat exchanger.
  • An input unit 4 for receiving manipulation signals for the air-conditioning of the indoor space is provided in the indoor unit 1.
  • the air outlet 2 is provided with vertical and horizontal adjusting units for adjusting a discharging direction of the air discharged to the indoor space.
  • Embodiments provide an air conditioner and a method for controlling the air conditioner, which can economically control air in an indoor space in accordance with a location of a user.
  • an air conditioner as defined by independent claim 1 includes: an input unit receiving an input cooling or heating temperature for an indoor space; an air-conditioning unit generating a cool wind having the input cooling temperature or a hot wind having the input heating temperature; a wind direction adjusting unit adjusting a direction of the cool or hot wind generated by the air-conditioning unit; a location detecting unit detecting a user located in one of a plurality of air-conditioning sections defined by dividing the indoor space; and a control unit that controls the wind direction adjusting unit such that the cool or hot wind is generated as a direct or indirect wind and corrects the input cooling and heating temperatures in accordance with whether the user exits in one of the air-conditioning sections, which is determined by a user's location detected by the location detecting unit, and a time for which the user exists in one of the air-conditioning sections.
  • a method for controlling an air conditioner comprising an air-conditioning unit generating a cool or hot wind having an input air-conditioning temperature for an indoor space; a wind direction adjusting unit for adjusting a direction of the cool or hot wind generated by the air-conditioning unit, a location detecting unit for detecting a user's location in the indoor space, and a control unit controlling the air-conditioning unit is provided, the method including: determining if the location detecting unit detects the user in the indoor space; allowing the control unit to determine if the user exists in the indoor space in accordance with whether the user is detected in the indoor unit by the location detecting unit; and allowing the control unit to control the air-conditioning unit and the wind direction adjusting unit such that a direction of the cool or hot wind is adjusted in accordance with whether the user exits in the indoor space.
  • the indoor space can be more pleasantly air-conditioned.
  • Fig. 2 is a block diagram of an air conditioner according to an embodiment and Fig. 3 is a view illustrating air-conditioning sections according to an embodiment.
  • an air conditioner includes an air-conditioning unit 10, an input unit 20, a wind direction adjusting unit 30, a location detecting unit 40, and a control unit 50.
  • the air-conditioning unit functions to control indoor air.
  • the input unit 20 receives manipulation signals of the air-conditioning unit 10 and the wind direction adjusting unit 30 adjusts directions of cool winds and hot winds generated from the air conditioning-unit 10.
  • the location detecting unit 40 detects a location of a user (i.e., a learner) located in the indoor space.
  • the control unit 50 controls the air-conditioning unit 10 and the wind adjusting unit 30 according to the signals input to the input unit 20 and the learner's location detected by the location detecting unit 40.
  • the air-conditioning unit 10 includes a variety of components for controlling the indoor air, i.e., generating the cool and hot winds. That is, the air-conditioning unit 10 includes components constituting a heat exchange cycle, such as a compressor, a condenser, an expansion unit, and an evaporating unit.
  • the air-conditioning unit 10 includes an indoor unit and an outdoor unit, which may be separately provided or integrated with each other.
  • the input unit 20 receives a manipulation signal for setting cooling and heating temperatures and a manipulation signal for an amount of cool and hot winds. Particularly, the input unit 20 receives input air-conditioning temperatures such as an input cooling temperature and an input heating temperature.
  • the wind direction adjusting unit 30 includes a vertical adjusting unit 31 and a horizontal adjusting unit 33.
  • the vertical adjusting unit 31 adjusts a vertical direction of the cool and hot winds generated from the air-conditioning unit 10.
  • the horizontal adjusting unit 33 adjusts a horizontal direction of the cool and hot winds.
  • veins may be used as the vertical adjusting unit 31 and the louvers may be used as the horizontal adjusting unit 33.
  • the location detecting unit 40 may be installed at, for example, a side of the air-conditioning unit 10. Accordingly, when the air-conditioning unit 10 includes the indoor and outdoor units, the location detecting unit 40 may be installed in the indoor unit. Needless to say, the location detecting unit 40 may be installed at other places rather than the air-conditioning unit 10. An infrared sensor may be used as the location detecting unit 40.
  • the location detecting unit 40 determines if the user is located in one of air-conditioning sections Z1 to Z9 that are defined by dividing the indoor space in accordance with a distance from the air-conditioning unit 10 and an angle with respect to the air-conditioning unit 10.
  • the air-conditioning sections Z1 to Z9 are defined by dividing the indoor space along a plurality of imaginary latitude lines that are spaced apart from each other by predetermined radii from a center of the air-conditioning unit 10 and extend in a circumferential direction and longitudinal lines extending in a radial direction and spaced apart from each other by predetermined central angles with respect to the center of the air-conditioning unit 10.
  • the indoor space is divided into nine air-conditioning sections Z1 to Z9.
  • the present invention is not limited to this.
  • control unit 50 controls such that the air-conditioning unit 10 cools or heats the indoor space in response to the input cooling and heat temperatures input to the input unit 20. Especially, the control unit 50 determines if the user exists in the indoor space, i.e., in one of the air-conditioning sections Z1 to Z9 in accordance with the user's location detected by the location detecting unit 40. The control unit 50 adjusts the cooling and hot winds as direct or indirect winds in accordance with whether the user exists in one of the air-conditioning sections Z1 to Z9. In addition, the control unit 50 corrects the input cooling and heating temperatures when the user exists in one of the air-conditioning sections Z1 to Z9 for a predetermined time or more.
  • control unit 50 controls the wind direction adjusting unit 30 such that the direct wind having the input cooling or heating temperature can be directly directed to one of the air-conditioning sections Z1 to Z9 where the user is detected by the location detecting unit 40.
  • control unit 40 controls the wind direction adjusting unit 30 such that the indirect wind having the input cooling and heating temperatures can be indirectly directed toward at least three of the air-conditioning sections Z1 to Z9.
  • the control unit 50 corrects the input cooling and heating temperatures into preset corrected cooling and heating temperatures. Further, the control unit 50 controls the wind direction adjusting unit 30 such that the hot wind having the corrected heating temperature or the cool wind having the corrected heating temperature is directed toward at least three of the air-conditioning sections Z1 to Z9 as the indirect wind. At this point, the corrected cooling - temperature is set to be higher than the input cooling temperature by 2°C and the corrected heating temperature is set to be lower than the input heating temperature by 2°C.
  • Fig. 4 is a flowchart illustrating an air-conditioning process by an air conditioner controlling method of an embodiment.
  • Fig. 4 illustrates a cooling mode case.
  • the present invention can be identically applied to a heat mode case.
  • the input cooling temperature is first input to the input the unit 20 (S11). Needless to say, other manipulation signals such as a wind volume may be further input to the input unit 20.
  • the air-conditioning unit 10 starts the air-conditioning with the input cooling temperature input to the input unit 20 (S13). That is, the air-conditioning unit 10 generates a cool wind having the input cooling temperature and sends the cool wind to the indoor space.
  • the location detecting unit 40 detects if the user is located in the indoor space (S 15). In more detail, the location detecting unit 40 detects if the user exists in one of the air-conditioning sections Z1 to Z9.
  • control unit 50 determines if the user exists in one of the air-conditioning sections Z1 and Z9 or not in accordance with the user's location detected by the location detecting unit 40 (S 17).
  • the control unit controls the cool wind generated by the air-conditioning unit 10 as the direct or indirect wind in accordance with the existence of the user in one of the air-conditioning sections Z1 to Z9 or corrects the input cooling temperature into the preset corrected cooling temperature.
  • control unit 50 controls the wind direction adjusting unit 30 such that the cool wind having the input cooling temperature and generated from the air-conditioning unit 10 is directly directed to one of the air-conditioning sections Z1 to Z9 where the user exits (S 19). Therefore, the user existing in one of the air-conditioning sections Z1 to Z9 can feel the more comfort.
  • control unit 50 determines if the air-conditioning is finished (S21). It can be determined whether the air-conditioning is finished in accordance with the finish of the air-conditioning time that is set by a manipulation signal input to the input unit 20 or whether a manipulation signal for finishing the air-conditioning is put by the user. When it is determined that the air-conditioning is not finished, Step 15 and the followings are performed.
  • the control unit 50 controls the wind direction adjusting unit 30 such that the cool wind having the input cooling temperature and generated by the air-conditioning unit 10 is formed in the indirect wind directing toward at least three of the air-conditioning sections Z1 to Z9 (S23).
  • the control unit 50 may control the wind direction adjusting unit 30 such that the indirect wind is directed to substantially all of the air-conditioning sections Z1 to Z9.
  • the location detecting unit 40 detects the user's location (S25).
  • the control unit 50 determines if the user exists in the indoor space in accordance with the user's location detected by the location detecting unit 40 S27.
  • the control unit 50 When it is determined that the user exits in the indoor space, the control unit 50, Step 19 and the following steps are performed. However, when it is determined that the user does not exist in the indoor space, the control unit determines if a preset detection time has elapsed (S29). When it is determined that the preset detection time has elapsed, the control unit 50 corrects the input cooling temperature into the preset corrected cooling temperature and controls the wind direction adjusting unit 30 such that the air-conditioning sections Z1 to Z9 are cooled according to the preset corrected cooling temperature (S31). However, when it is determined that the preset detection time has not elapsed, Step 23 and the following steps are preformed.
  • the cool and hot winds generated by the air-conditioning unit are formed in the direct or indirect wind in accordance with whether the user exists in the indoor space. Therefore, the user's comfort can be enhanced.
  • the input cooling or heating temperature is corrected when it is detected that the user does not exist in the indoor space for the preset time. Therefore, when the user does not exist in the indoor space, the cooling or heating load can be substantially reduced and thus the cooling and heating can be more economically realized.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)
EP09835196.8A 2008-12-23 2009-12-07 Air conditioner and method for controlling the same Not-in-force EP2368074B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080132435A KR101584801B1 (ko) 2008-12-23 2008-12-23 공기조화기 및 그 제어방법
PCT/KR2009/007280 WO2010074430A2 (en) 2008-12-23 2009-12-07 Air conditioner and method for controlling the same

Publications (3)

Publication Number Publication Date
EP2368074A2 EP2368074A2 (en) 2011-09-28
EP2368074A4 EP2368074A4 (en) 2012-10-17
EP2368074B1 true EP2368074B1 (en) 2016-05-18

Family

ID=42288240

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09835196.8A Not-in-force EP2368074B1 (en) 2008-12-23 2009-12-07 Air conditioner and method for controlling the same

Country Status (6)

Country Link
US (1) US20110277982A1 (ko)
EP (1) EP2368074B1 (ko)
KR (1) KR101584801B1 (ko)
CN (1) CN102239367B (ko)
ES (1) ES2573466T3 (ko)
WO (1) WO2010074430A2 (ko)

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Also Published As

Publication number Publication date
EP2368074A2 (en) 2011-09-28
WO2010074430A3 (en) 2010-09-10
KR101584801B1 (ko) 2016-01-12
CN102239367B (zh) 2014-05-28
EP2368074A4 (en) 2012-10-17
ES2573466T3 (es) 2016-06-08
WO2010074430A2 (en) 2010-07-01
KR20100073696A (ko) 2010-07-01
CN102239367A (zh) 2011-11-09
US20110277982A1 (en) 2011-11-17

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