EP2354691B1 - Climatiseur - Google Patents

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Publication number
EP2354691B1
EP2354691B1 EP10009043.0A EP10009043A EP2354691B1 EP 2354691 B1 EP2354691 B1 EP 2354691B1 EP 10009043 A EP10009043 A EP 10009043A EP 2354691 B1 EP2354691 B1 EP 2354691B1
Authority
EP
European Patent Office
Prior art keywords
power consumption
amount
air conditioner
emission
indoor unit
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.)
Active
Application number
EP10009043.0A
Other languages
German (de)
English (en)
Other versions
EP2354691A2 (fr
EP2354691A3 (fr
Inventor
Masanori Aoki
Yasuhito Kumashiro
Naoya Matsunaga
Hidetoshi Marumatsu
Yasushi Kuwabara
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP2354691A2 publication Critical patent/EP2354691A2/fr
Publication of EP2354691A3 publication Critical patent/EP2354691A3/fr
Application granted granted Critical
Publication of EP2354691B1 publication Critical patent/EP2354691B1/fr
Active 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
    • 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
    • F24F11/46—Improving electric energy efficiency or saving
    • 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
    • F24F11/52—Indication arrangements, e.g. displays
    • 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
    • F24F11/46—Improving electric energy efficiency or saving
    • F24F11/47—Responding to energy costs
    • 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
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • 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
    • F24F11/56—Remote control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/60—Energy consumption

Definitions

  • An aspect of the present invention relates to an air conditioner having a device for displaying a CO 2 emission resultant from energy consumption.
  • WO 2009/022 453 A1 discloses a monitoring system for air conditioners, according to the preamble of claim 1, which is provided with a plurality of air conditioners having a refrigerant circuit of vapor compression refrigeration cycle; local controllers, which are arranged for the air conditioners, respectively, and receive data outputted from the air conditioners and transmit prescribed operation data; and a host controller which receives the operation data for the air conditioners transmitted from the loyal controllers through a communication circuit.
  • JP 2000 274 778 discloses an energy management apparatus which comprises a comfort index calculator for calculating a plurality of comfort indexed from measured results of indoor sensors, a resident state input to input means and a plurality of set operation mode candidates held by set operation mode memories, facility load calculators for calculating a plurality of facility loads from measured results of atmospheric sensors, a measured result of an indoor load sensor, characteristics of a structure input to a structure characteristic input means and a plurality of set operation mode candidates held by set operation mode memories.
  • the related-art air conditioner has a low degree of accuracy of integration of power consumption used for calculating an amount of CO 2 emission and has hitherto drawbacks; namely, being able to display only rough power consumption and an rough amount of CO 2 emission, only displaying a mere comparison of power consumption integrated over a predetermined period with a predetermined threshold value, etc.
  • an aspect of the present invention may make it possible for an air conditioner to accurately calculate an amount of power used.
  • another aspect of the present invention may make it possible for an air conditioner to display, in a comparative manner, an amount of CO 2 emission generated in a present day and an amount of CO 2 emission generated in a preceding day and also displaying a daily amount of CO 2 emission and a monthly amount of CO 2 emission, thereby making a user aware of an amount of CO 2 emission resultant from operation of an air conditioner and prompting the user to select energy-saving operation.
  • an air conditioner comprising: an air conditioner main unit including at least one indoor unit and an outdoor unit; and a remote controller for remotely controlling the air conditioner main unit, wherein the at least one indoor unit includes a representative indoor unit, wherein the outdoor unit collects a power consumption calculated by the at least one indoor unit and totalizes a power consumption calculated by the outdoor unit and the collected power consumption, thereby obtaining a total power consumption, and transmits the total power consumption to the representative indoor unit, wherein the representative indoor unit integrates the total power consumption and calculates an amount of power consumption, and transmits the amount of power consumption to the remote controller, and wherein the amount of power consumption is converted into an amount of CO 2 emission, and the amount of CO 2 emission is displayed.
  • the remote controller may display an integrated value of the amount of CO 2 emission generated by a current time in a present day and an integrated value of the amount of CO 2 emission generated in a preceding day side by side.
  • Fig. 1 is a schematic view of an air conditioner of a first exemplary embodiment of the present invention
  • Fig. 2 is a coolant circuit diagram of the air conditioner of the first exemplary embodiment of the present invention
  • Fig. 3 is a schematic view of other air conditioners of the first exemplary embodiment of the present invention.
  • an air conditioner 100 includes a separation-type air conditioner main unit 10 and a remote controller 20.
  • the air conditioner main unit 10 an outdoor unit 1 and an indoor unit 2 are separated from each other and connected together by a coolant pipe and a control communication line.
  • the remote controller 20 is connected to a control communication section of the indoor unit, transmits operation command information to the air conditioner main unit 10, and displays operation information.
  • the air conditioner main unit 10 includes a compressor 3, a four-way valve 4, a first heat exchanger 5, an expansion mechanism 6, and a second heat exchanger 7. They are sequentially connected together by a coolant pipe, thereby forming a refrigeration cycle.
  • the outdoor unit 1 includes the compressor 3, the four-way valve 4, the first heat exchanger 5, and the expansion mechanism 6, and the indoor unit 2 includes the second heat exchanger 7.
  • the first heat exchanger 5 operates as a condenser, and the second heat exchanger operates as an evaporator.
  • the four-way valve 4 is switched, and the second heat exchanger operates as the condenser, and the first heat exchanger operates as the evaporator.
  • the remote controller 20 has a display unit 21 and an input section 22 and remotely controls the air conditioner main unit 10.
  • the display unit 21 is configured to display an operating state of the air conditioner main unit 10.
  • the display unit 21 is configured to display whether or not the air conditioner is in operation, an operating mode (a cooling mode/a heating mode), a preset temperature, preset air capacity, a direction of wind, etc.
  • the input section 22 includes a plurality of buttons (switches) and control information can be inputted For example, an operation/stop command, switching of an operation mode, a preset temperature, preset air capacity, a direction of the wind, etc., can be inputted.
  • the air conditioner shown in Fig. 3 is a multi-type air conditioner in which a plurality of indoor units are connected to one outdoor unit, and includes a one-coolant system.
  • the one-coolant system forms a coolant circulation circuit in which a coolant discharged from the compressor 3 located in the outdoor unit 1 returns to the outdoor unit 1 by way of the indoor unit 2 and flows into an inlet side of the compressor 3.
  • the remote controller 20 is connected to one of the plurality of indoor units 2 by the control communication line.
  • the connected indoor unit receives operation command information from the remote controller 20. The information is then transmitted to another indoor unit by way of a crossover control communication line connected among the indoor units.
  • one indoor unit 2 is connected to the outdoor unit 1 by the control communication line and the information is transmitted to the outdoor unit 1 by the control communication line.
  • the drawing illustrates a case where the outdoor unit 1 is linked to the indoor unit 2 that is connected to the remote controller 20, by the control communication line.
  • the outdoor unit 1 may be connected to another indoor unit 2.
  • Fig. 4 is a descriptive view of a display method for the air conditioner of the first exemplary embodiment of the present invention, showing the information displayed on the display unit 21 of the remote controller 20 shown in Fig. 1 .
  • a message "An amount of CO 2 emission is now being collected” showing that data are now being collected appears on the display unit 21 for about 5 to 10 seconds.
  • an amount of CO 2 emission integrated in a present day and an amount of CO 2 emission integrated in a preceding day are displayed side by side.
  • a message showing that an integrated value of the amount of CO 2 emission generated as a result of air conditioning being performed by operating the air conditioner on the present day, by a current time on the present day when operation of the air conditioner is stopped is 12.5 kg
  • another message showing that a recorded value of the amount of CO 2 emission generated in the preceding day is 120.5 kg are displayed side by side.
  • the integrated amount of emission generated in the present day and the integrated amount of emission generated in the preceding day are displayed side by side. Hence, the user becomes possible to easily compare the amounts of CO 2 emission, to thus become aware of energy saving.
  • Fig. 5 is a descriptive view of the display method for the air conditioner of the first exemplary embodiment of the present invention, showing the information displayed on the display unit 21 of the remote controller 20 shown in Fig. 1 .
  • a main menu is invoked on a display screen by actuation of a button on the remote controller 20.
  • a menu titled “Display an amount of CO 2 emission” is selected, the next screen titled “An amount of CO 2 emission display menu” appears.
  • “Daily data (Data pertaining to amounts of CO 2 emission generated last week)” or “monthly data (Data pertaining to amounts of CO 2 emission generated for the last 14 months)” is selected in the screen titled "An amount of CO 2 emission display menu", information [Display B] or [Display C] shown in Fig.
  • the address is used so as to enable a selection of a coolant system to which a specific air conditioner belongs.
  • the specific air conditioner may be an air conditioner which information related to thereof is displayed and controlled.
  • Fig. 6 is a flowchart of the air conditioner of the first exemplary embodiment of the present invention.
  • the outdoor unit 1 and the indoor units 2 independently calculate their own power consumptions (S1).
  • the outdoor unit 1 detects an average bus voltage and a corrected average primary current for each sample period and calculates the power consumption from the thus detected voltage and current.
  • each of the indoor units 2 calculates a power consumption (OI) according to the number of rotations of a fan (the target number of rotations of a fan for control purpose).
  • the outdoor unit calculates the power consumption for each sampling period of a predetermined time, whilst the indoor unit 2 calculates the power consumption when a change occurs in the power consumption as a result of a change having arisen in the number of rotations of the fan.
  • a drain pump correction value is added to the power consumption of the indoor unit as required.
  • the indoor units 2 transmit data pertaining to the calculated power consumptions (OI) of the respective indoor units to the outdoor unit 1 by way of transceiving device.
  • the power consumptions are transmitted every time a change has arisen in power consumptions of the indoor units (S2).
  • a volume of control communication between the outdoor unit 1 and the respective indoor units 2 can thereby be suppressed and capacity and capability for control communication can be lessened.
  • the power consumptions (OI) calculated by the respective indoor units are received by the outdoor unit.
  • the power consumption (OC) of the outdoor unit is added to the power consumptions (OI), thereby calculating a total power consumption (Pt) of the air conditioner main unit (S3).
  • a previously-set representative indoor unit receives the total power consumption (Pt) from the outdoor unit 1 (S4).
  • the representative indoor unit calculates an average value every minute and integrates calculation results, thereby calculating an amount of power consumption (S5).
  • the thus-calculated amount of power consumption is stored in a storage device section of the representative indoor
  • a signal for requesting data pertaining to the amount of power consumption from the remote controller 20 arrives to the representative indoor unit (S6).
  • Data pertaining to the integrated, stored amount of power consumption are transmitted from the representative indoor unit to the remote controller 20.
  • the remote controller 20 converts the received amount of power consumption into an amount of CO 2 emission [kg] by using a CO 2 conversion coefficient. As shown in Fig. 5 , the amount of CO 2 emission is displayed on the display unit 21 (S7).
  • the CO 2 conversion coefficient can be set by the remote controller so as to be able to address different power situations.
  • the air conditioner 100 of the first exemplary embodiment of the present invention allows to efficiently inform a user of an amount of CO 2 emission resultant from operation of the air conditioner 100.

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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)
  • Air Conditioning Control Device (AREA)

Claims (5)

  1. Climatiseur comprenant :
    une unité principale de climatiseur (10) qui comprend une unité extérieure (1) et au moins une unité intérieure (2) connectée à l'unité extérieure (1) ; et
    un dispositif de commande à distance (20) destiné à commander à distance l'unité principale de climatiseur (10) ;
    dans lequel la ou les unités intérieures (2) comprennent une unité intérieure représentative ;
    caractérisé en ce que l'unité extérieure (1) est configurée de façon à détecter une tension de bus moyenne et un courant primaire moyen corrigé pour chaque période échantillon, et à calculer une consommation d'énergie (OC) à partir de la tension de bus moyenne détectée et du courant primaire moyen corrigé ;
    dans lequel la ou les unités intérieures (2) sont configurées de façon à calculer une consommation d'énergie (OI) quand un changement s'est produit dans la vitesse de rotation d'une soufflante de ladite ou desdites unités intérieures (2), et à transmettre la consommation d'énergie calculée (OI) à l'unité extérieure (1) chaque fois qu'un changement s'est produit dans la consommation d'énergie calculée (OI) ;
    dans lequel l'unité extérieure (1) est configurée de façon à totaliser la consommation d'énergie (OC) calculée par l'unité extérieure (1) et la consommation d'énergie (OI) transmise par l'unité intérieure (2), en obtenant de ce fait une consommation d'énergie totale (Pt), et à transmettre la consommation d'énergie totale (Pt) à l'unité intérieure représentative (2) lors de chaque communication qui est exécutée de manière périodique ;
    dans lequel l'unité intérieure représentative est configurée de façon à intégrer la consommation d'énergie totale (Pt), et à calculer une quantité de consommation d'énergie, et à transmettre la quantité de consommation d'énergie au dispositif de commande à distance (20) ; et
    dans lequel le dispositif de commande à distance (20) est configuré de façon à convertir la quantité de consommation d'énergie en une quantité d'émission de CO2, et à afficher la quantité d'émission de CO2.
  2. Climatiseur selon la revendication 1, dans lequel, lors de la réception de la consommation d'énergie totale (Pt), l'unité intérieure représentative est configurée de façon à calculer une valeur moyenne à chaque moment prédéterminé, et ainsi à calculer et à stocker une quantité de consommation d'énergie ; et, lors de la réception d'une demande de données qui se rapportent à la quantité de consommation d'énergie, l'unité intérieure représentative est configurée de façon à transmettre au dispositif de commande à distance (20) les données qui se rapportent à la quantité de consommation d'énergie.
  3. Climatiseur selon la revendication 1 ou la revendication 2, dans lequel le dispositif de commande à distance (20) est configuré de façon à afficher côte à côte, une valeur intégrée de la quantité d'émission de CO2 générée à l'instant présent du jour présent, et une valeur intégrée de la quantité d'émission de CO2 générée dans le passé.
  4. Climatiseur selon la revendication 1 ou la revendication 2, dans lequel la quantité quotidienne d'émission de CO2 et la quantité mensuelle d'émission de CO2, sont affichées en commutant un mode d'affichage du dispositif de commande à distance (20).
  5. Climatiseur selon l'une quelconque des revendications 1 à 4, dans lequel la quantité d'émission de CO2 est affichée sur le dispositif de commande à distance (20) indépendamment du fait que l'unité principale de climatiseur (10) soit ou non en service.
EP10009043.0A 2010-01-18 2010-08-31 Climatiseur Active EP2354691B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010007988A JP5446906B2 (ja) 2010-01-18 2010-01-18 空気調和機

Publications (3)

Publication Number Publication Date
EP2354691A2 EP2354691A2 (fr) 2011-08-10
EP2354691A3 EP2354691A3 (fr) 2014-12-17
EP2354691B1 true EP2354691B1 (fr) 2018-03-21

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EP10009043.0A Active EP2354691B1 (fr) 2010-01-18 2010-08-31 Climatiseur

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JP (1) JP5446906B2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102143348B1 (ko) * 2013-05-08 2020-08-11 엘지전자 주식회사 공기조화기 및 그 동작방법
CN105276758B (zh) * 2014-07-25 2019-07-26 海信（山东）空调有限公司 一种变频空调器耗电量估算方法及装置
CN105091220B (zh) * 2015-07-31 2017-11-10 广东美的制冷设备有限公司 空调器的耗电量检测方法、装置和空调器
CN105091223B (zh) * 2015-07-31 2017-11-10 广东美的制冷设备有限公司 空调器的耗电量检测方法、装置和空调器
CN105091222B (zh) * 2015-07-31 2017-11-10 广东美的制冷设备有限公司 空调器的耗电量检测方法、装置和空调器
CN105066346B (zh) * 2015-07-31 2017-12-19 广东美的制冷设备有限公司 空调器的耗电量检测方法、装置和空调器
WO2024154929A1 (fr) * 2023-01-19 2024-07-25 삼성전자주식회사 Climatiseur et procédé de commande associé

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Also Published As

Publication number Publication date
EP2354691A2 (fr) 2011-08-10
JP5446906B2 (ja) 2014-03-19
EP2354691A3 (fr) 2014-12-17
JP2011145038A (ja) 2011-07-28

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