EP4119860A1 - Système de climatisation - Google Patents

Système de climatisation Download PDF

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Publication number
EP4119860A1
EP4119860A1 EP20924444.1A EP20924444A EP4119860A1 EP 4119860 A1 EP4119860 A1 EP 4119860A1 EP 20924444 A EP20924444 A EP 20924444A EP 4119860 A1 EP4119860 A1 EP 4119860A1
Authority
EP
European Patent Office
Prior art keywords
air conditioner
air
air conditioning
assisting device
thermal image
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.)
Pending
Application number
EP20924444.1A
Other languages
German (de)
English (en)
Other versions
EP4119860A4 (fr
Inventor
Ena Kudo
Hidetoshi Muramatsu
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 EP4119860A1 publication Critical patent/EP4119860A1/fr
Publication of EP4119860A4 publication Critical patent/EP4119860A4/fr
Pending legal-status Critical Current

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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
    • F24F11/50—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
    • 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
    • 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
    • F24F11/62—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
    • 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
    • F24F11/64—Electronic processing using pre-stored data
    • 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
    • F24F11/67—Switching between heating and cooling modes
    • 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
    • F24F2120/10—Occupancy

Definitions

  • the present disclosure relates to an air conditioning system for air conditioning of a room.
  • air conditioners including a thermal image sensor that is attached to a main unit and detects the temperature in a room have been proposed (refer to Patent Literature 1, for example).
  • air conditioning systems including a plurality of air conditioners connected to a communication network have also been proposed (refer to Patent Literature 2, for example).
  • a sensor transmits thermal image data generated by detecting temperature to a device such as a personal computer, for example, and the device determines control content to be performed by each of air conditioners and instructs each of the air conditioners to perform the content.
  • a space and an object are recognized by a camera, and each of the air conditioners is thus associated with a space in which the air conditioner performs control.
  • the sensor For controlling an air conditioner on the basis of a result of temperature detection obtained by a sensor for detecting temperature, the sensor needs to be mounted on each air conditioner. Thus, with the technology of the related art, it is difficult to control an air conditioner that does not support attachment of the sensor on the basis of a result obtained by the sensor.
  • the present disclosure has been made in view of the above, and an object thereof is to provide an air conditioning system that controls each of a plurality of air conditioners, which do not support attachment of a sensor for detecting temperature, on the basis of results obtained by the sensor.
  • an air conditioning system includes: a plurality of air conditioners each installed on a wall or a ceiling; and an air conditioning assisting device installed at a position at an equal distance from each of the air conditioners on the wall or the ceiling.
  • the air conditioning assisting device includes: a thermal image sensor that detects temperature; an assisting side communication unit that receives information relating to operation states of some or all of the air conditioners from some or all of the air conditioners, and transmits commands for air conditioning to some or all of the air conditioners; a storage unit that stores information obtained by the thermal image sensor and information received by the assisting side communication unit; and a processing unit that analyzes the information obtained by the thermal image sensor and the information received by the assisting side communication unit, and generates the commands.
  • An air conditioning system produces an effect of enabling control of each of a plurality of air conditioners, which do not support attachment of a sensor for detecting temperature, on the basis of a result obtained by the sensor.
  • FIG. 1 is a diagram illustrating a configuration of the air conditioning system 1 according to the embodiment.
  • the air conditioning system 1 includes a first air conditioner 2a, a second air conditioner 2b, a third air conditioner 2c, and a fourth air conditioner 2d installed on a ceiling of a room to be air-conditioned.
  • the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d are examples of a plurality of air conditioners.
  • the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d are each an indoor unit.
  • FIG. 2 is a diagram illustrating an example in which the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d included in the air conditioning system 1 according to the embodiment are installed on a ceiling C.
  • the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d are each installed in any one of the four regions.
  • the individual four regions are regions defined by solid lines on the ceiling C in FIG. 2 .
  • the number of air conditioners installed in each of the four regions is not more than one.
  • Each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d is installed at the center of one of the four regions.
  • Some or all of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d may be installed on a wall of the room to be air-conditioned.
  • the wall is an inner wall of the room.
  • each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d is set to vertically downward.
  • the air volume of each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d is set to a maximum volume of its capacity.
  • the air conditioning system 1 further includes a first outdoor unit 3a associated with the first air conditioner 2a, a second outdoor unit 3b associated with the second air conditioner 2b, a third outdoor unit 3c associated with the third air conditioner 2c, and a fourth outdoor unit 3d associated with the fourth air conditioner 2d.
  • the first outdoor unit 3a, the second outdoor unit 3b, the third outdoor unit 3c, and the fourth outdoor unit 3d are installed outside of the room to be air-conditioned.
  • the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, the fourth air conditioner 2d, the first outdoor unit 3a, the second outdoor unit 3b, the third outdoor unit 3c, and the fourth outdoor unit 3d perform air conditioning of the room.
  • the air conditioning system 1 further includes an air conditioning assisting device 4 on the ceiling C of the room to be air-conditioned.
  • the air conditioning assisting device 4 installed in one room. In the room, no air conditioning assisting device other than the air conditioning assisting device 4 is installed.
  • the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, the fourth air conditioner 2d, and the air conditioning assisting device 4 are arranged.
  • the air conditioning assisting device 4 is a device for controlling the operations of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d.
  • the air conditioning assisting device 4 is connected with each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d via a communication network 5.
  • the air conditioning assisting device 4 is installed at a position at an equal distance from each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d.
  • the air conditioning assisting device 4 is installed at the center of the ceiling C.
  • the air conditioning assisting device 4 may be located on a wall.
  • the wall is an inner wall of the room to be air-conditioned.
  • the air conditioning assisting device 4 is installed at an equal distance from each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d.
  • the first air conditioner 2a includes an air conditioning side communication unit 21a that communicates with the air conditioning assisting device 4.
  • the second air conditioner 2b includes an air conditioning side communication unit 21b that communicates with the air conditioning assisting device 4.
  • the third air conditioner 2c includes an air conditioning side communication unit 21c that communicates with the air conditioning assisting device 4.
  • the fourth air conditioner 2d includes an air conditioning side communication unit 21d that communicates with the air conditioning assisting device 4.
  • FIG. 3 is a diagram illustrating a configuration of the air conditioning assisting device 4 included in the air conditioning system 1 according to the embodiment.
  • the air conditioning assisting device 4 includes a thermal image sensor 41 that detects temperature. Specifically, the thermal image sensor 41 detects the temperature of the room in which the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d are installed.
  • the air conditioning assisting device 4 further includes an assisting side communication unit 42 that communicates with each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d.
  • the assisting side communication unit 42 communicates with each of the air conditioning side communication unit 21a, the air conditioning side communication unit 21b, the air conditioning side communication unit 21c, and the air conditioning side communication unit 21d. Furthermore, the assisting side communication unit 42 is connected with each of the air conditioning side communication unit 21a, the air conditioning side communication unit 21b, the air conditioning side communication unit 21c, and the air conditioning side communication unit 21d via the communication network 5, and communicates with the air conditioning side communication unit 21a, the air conditioning side communication unit 21b, the air conditioning side communication unit 21c, and the air conditioning side communication unit 21d via the communication network 5.
  • the assisting side communication unit 42 communicates at least one of the air conditioning side communication unit 21a, the air conditioning side communication unit 21b, the air conditioning side communication unit 21c, and the air conditioning side communication unit 21d to receive information relating to operation states of some or all of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d from some or all of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d.
  • An operation state includes some or all of the temperature of the room in which the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d are installed, the humidity of the room, and the air volume of each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d.
  • the assisting side communication unit 42 also has a function of transmitting commands for air conditioning to some or all of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d.
  • the air conditioning assisting device 4 further includes a storage unit 43 for storing information obtained by the thermal image sensor 41 and information received by the assisting side communication unit 42.
  • An example of the storage unit 43 is a semiconductor memory.
  • the air conditioning assisting device 4 further includes a processing unit 44 for analyzing information obtained by the thermal image sensor 41 and information received by the assisting side communication unit 42, and generating the commands.
  • the processing unit 44 also has a function of detecting a human on the basis of heat distribution on a thermal image obtained by the thermal image sensor 41.
  • the processing unit 44 also has a function of determining which part of the room is to be controlled by each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d.
  • the air conditioning assisting device 4 causes one of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d to perform cooling operation.
  • the storage unit 43 stores information associating an area in which the temperature detected by the thermal image sensor 41 is a predetermined cooling reference temperature with the air conditioner that is performing the cooling operation.
  • the thermal image sensor 41 may detect the temperature of the room before the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d operate.
  • the air conditioning assisting device 4 causes one of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d to perform heating operation on the basis of the temperature detected by the thermal image sensor 41.
  • the storage unit 43 stores information associating an area in which the temperature detected by the thermal image sensor 41 is a predetermined heating reference temperature with the air conditioner that is performing the heating operation.
  • the air conditioning assisting device 4 may determine whether to cause each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d to perform cooling operation or heating operation on the basis of the temperature detected by the thermal image sensor 41.
  • the storage unit 43 may store calendar information indicating monthly details of operations of an air conditioner.
  • the air conditioning assisting device 4 may determine whether to cause each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d to perform cooling operation or heating operation on the basis of the calendar information stored in the storage unit 43 and the current month.
  • the air conditioning assisting device 4 associates one area in which the thermal image sensor 41 has detected the temperature with the one air conditioner, and then associates another air conditioner different from the one air conditioner among the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d with another area different from the one area in the room, the following operations may be performed. Specifically, the air conditioning assisting device 4 may cause the another air conditioner to perform operation different from that of the one air conditioner.
  • the air conditioning assisting device 4 may cause the air conditioner that is newly associated to perform operation different from that of the air conditioner that was last associated.
  • the air conditioning assisting device 4 may stop the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d for a predetermined time period.
  • the air conditioning assisting device 4 may cause the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d to perform fan operation for a predetermined time period.
  • FIG. 4 is a diagram schematically illustrating an example of a floor surface of the room to be air-conditioned by the air conditioning system 1 according to the embodiment.
  • the room is a room in which the air conditioning assisting device 4 is installed.
  • the air conditioning assisting device 4 recognizes the floor surface in the 64 blocks 401,..., 464.
  • the air conditioning assisting device 4 When the air conditioning assisting device 4 has detected a human in any of the 64 blocks 401,..., 464, the air conditioning assisting device 4 generates commands to cause some or all of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d to perform one or more of starting operation, changing temperature, and changing air volume, for example.
  • information indicating operations to be performed by each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d is set in advance for each of a plurality of situations.
  • FIG. 5 is a flowchart illustrating part of an example of procedures of one operation of the air conditioning assisting device 4 included in the air conditioning system 1 according to the embodiment.
  • the air conditioning assisting device 4 instructs only the first air conditioner 2a to perform cooling operation via the communication network 5. Only the first air conditioner 2a performs cooling operation (S1). In FIG. 5 , the operation in step S1 is described as the following wording: "only one air conditioner performs cooling operation".
  • the air conditioning assisting device 4 determines whether or not a predetermined time has elapsed since the air conditioning assisting device 4 instructed the first air conditioner 2a to perform cooling operation (S2). If it is determined that the predetermined time has not elapsed (No in S2), the air conditioning assisting device 4 performs the operation in step S2.
  • the air conditioning assisting device 4 detects the temperature of the room by the thermal image sensor 41, and recognizes, as a control area of the first air conditioner 2a, a block in which the temperature is a preset cooling reference temperature among the 64 blocks 401,..., 464 (S3). Specifically, in step S3, the air conditioning assisting device 4 associates a block in which the detected temperature is the cooling reference temperature among the 64 blocks 401,..., 464 with the first air conditioner 2a.
  • a block is an example of an area.
  • the operation in step S3 is described as the following wording: "recognize block in which temperature is cooling reference temperature as control area of one air conditioner".
  • the air conditioning assisting device 4 stores the recognized matter in the storage unit 43.
  • step S3 After performing the operation in step S3, the air conditioning assisting device 4 instructs the first air conditioner 2a to stop operating.
  • the first air conditioner 2a stops operating (S4).
  • the operation in step S4 is described as the following wording: "one air conditioner stops operating”. As a result, the operation of associating the first air conditioner 2a with the block to be controlled by the first air conditioner 2a is terminated.
  • the air conditioning assisting device 4 performs an operation of associating the second air conditioner 2b with a block to be controlled by the second air conditioner 2b in accordance with the procedures in the flowchart of FIG. 5 .
  • the first air conditioner 2a in the description above with reference to FIG. 5 is replaced with the second air conditioner 2b.
  • the air conditioning assisting device 4 sequentially performs an operation of associating the third air conditioner 2c with a block to be controlled by the third air conditioner 2c, and an operation of associating the fourth air conditioner 2d with a block to be controlled by the fourth air conditioner 2d. In this manner, the air conditioning assisting device 4 associates each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d with one of the 64 blocks 401,..., 464.
  • the air conditioning assisting device 4 may associate each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d with one of the 64 blocks 401,..., 464 in accordance with procedures of a flowchart in FIG. 6.
  • FIG. 6 is a flowchart illustrating part of an example of procedures of another operation of the air conditioning assisting device 4 included in the air conditioning system 1 according to the embodiment.
  • the air conditioning assisting device 4 detects the temperature of the room by the thermal image sensor 41 before causing the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d to operate (S11).
  • the air conditioning assisting device 4 determines whether or not the temperature detected by the thermal image sensor 41 is equal to or higher than a preset reference room air temperature (S12). If the temperature detected by the thermal image sensor 41 is determined to be equal to or higher than the reference room air temperature (Yes in S12), the air conditioning assisting device 4 instructs only the first air conditioner 2a to perform cooling operation via the communication network 5. Only the first air conditioner 2a performs cooling operation (S13). In FIG. 6 , the operation in step S13 is described as the following wording: "only one air conditioner performs cooling operation".
  • the air conditioning assisting device 4 determines whether or not a predetermined time has elapsed since the air conditioning assisting device 4 instructed the first air conditioner 2a to perform cooling operation (S14). If it is determined that the predetermined time has not elapsed (No in S14), the air conditioning assisting device 4 performs the operation in step S14.
  • the air conditioning assisting device 4 detects the temperature of the room by the thermal image sensor 41, and recognizes, as a control area of the first air conditioner 2a, a block in which the temperature is a preset cooling reference temperature among the 64 blocks 401,..., 464 (S15). Specifically, in step S15, the air conditioning assisting device 4 associates a block in which the detected temperature is the cooling reference temperature among the 64 blocks 401,..., 464 with the first air conditioner 2a. In FIG. 6 , the operation in step S15 is described as the following wording: "recognize block in which temperature is cooling reference temperature as control area of one air conditioner". The air conditioning assisting device 4 stores the recognized matter in the storage unit 43.
  • the air conditioning assisting device 4 instructs the first air conditioner 2a to stop operating.
  • the first air conditioner 2a stops operating (S16).
  • the operation in step S16 is described as the following wording: "one air conditioner stops operating”. As a result, the operation of associating the first air conditioner 2a with the block to be controlled by the first air conditioner 2a is terminated.
  • the air conditioning assisting device 4 instructs only the first air conditioner 2a to perform heating operation via the communication network 5. Only the first air conditioner 2a performs heating operation (S17). In FIG. 6 , the operation in step S17 is described as the following wording: "only one air conditioner performs heating operation”.
  • the air conditioning assisting device 4 determines whether or not a predetermined time has elapsed since the air conditioning assisting device 4 instructed the first air conditioner 2a to perform heating operation (S18). If it is determined that the predetermined time has not elapsed (No in S18), the air conditioning assisting device 4 performs the operation in step S18.
  • the air conditioning assisting device 4 detects the temperature of the room by the thermal image sensor 41, and recognizes, as a control area of the first air conditioner 2a, a block in which the temperature is a preset heating reference temperature among the 64 blocks 401,..., 464 (S19). Specifically, in step S19, the air conditioning assisting device 4 associates a block in which the detected temperature is the heating reference temperature among the 64 blocks 401,..., 464 with the first air conditioner 2a. In FIG. 6 , the operation in step S19 is described as the following wording: "recognize block in which temperature is heating reference temperature as control area of one air conditioner". The air conditioning assisting device 4 stores the recognized matter in the storage unit 43.
  • the air conditioning assisting device 4 instructs the first air conditioner 2a to stop operating.
  • the first air conditioner 2a stops operating (S20).
  • the operation in step S20 is described as the following wording: "one air conditioner stops operating”. As a result, the operation of associating the first air conditioner 2a with the block to be controlled by the first air conditioner 2a is terminated.
  • the air conditioning assisting device 4 performs an operation of associating the second air conditioner 2b with a block to be controlled by the second air conditioner 2b in accordance with the procedures in the flowchart of FIG. 6 .
  • the first air conditioner 2a in the description above with reference to FIG. 6 is replaced with the second air conditioner 2b. If it is determined by the air conditioning assisting device 4 that the temperature detected by the thermal image sensor 41 is equal to or higher than the reference room air temperature (Yes in S12), the operations in step S13 and subsequent steps are performed. If it is determined by the air conditioning assisting device 4 that the temperature detected by the thermal image sensor 41 is lower than the reference room air temperature (No in S12), the operations in step S17 and subsequent steps are performed.
  • the air conditioning assisting device 4 sequentially performs an operation of associating the third air conditioner 2c with a block to be controlled by the third air conditioner 2c, and an operation of associating the fourth air conditioner 2d with a block to be controlled by the fourth air conditioner 2d. In this manner, the air conditioning assisting device 4 associates each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d with one of the 64 blocks 401,..., 464.
  • the air conditioning assisting device 4 may associate each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d with one of the 64 blocks 401,..., 464 in accordance with procedures of a flowchart in FIG. 7.
  • FIG. 7 is a flowchart illustrating part of an example of procedures of still another operation of the air conditioning assisting device 4 included in the air conditioning system 1 according to the embodiment.
  • the air conditioning assisting device 4 determines whether or not the current month is any one of May to September (S21). If the current month is determined to be any of May to September (Yes in S21), the air conditioning assisting device 4 instructs only the first air conditioner 2a to perform cooling operation via the communication network 5. Only the first air conditioner 2a performs cooling operation (S22). In FIG. 7 , the operation in step S22 is described as the following wording: "only one air conditioner performs cooling operation".
  • the air conditioning assisting device 4 determines whether or not a predetermined time has elapsed since the air conditioning assisting device 4 instructed the first air conditioner 2a to perform cooling operation (S23). If it is determined that the predetermined time has not elapsed (No in S23), the air conditioning assisting device 4 performs the operation in step S23.
  • the air conditioning assisting device 4 detects the temperature of the room by the thermal image sensor 41, and recognizes, as a control area of the first air conditioner 2a, a block in which the temperature is a preset cooling reference temperature among the 64 blocks 401,..., 464 (S24). Specifically, in step S24, the air conditioning assisting device 4 associates a block in which the detected temperature is the cooling reference temperature among the 64 blocks 401,..., 464 with the first air conditioner 2a.
  • the operation in step S24 is described as the following wording: "recognize block in which temperature is cooling reference temperature as control area of one air conditioner".
  • the air conditioning assisting device 4 stores the recognized matter in the storage unit 43.
  • the air conditioning assisting device 4 instructs the first air conditioner 2a to stop operating.
  • the first air conditioner 2a stops operating (S25).
  • the operation in step S25 is described as the following wording: "one air conditioner stops operating”. As a result, the operation of associating the first air conditioner 2a with the block to be controlled by the first air conditioner 2a is terminated.
  • the air conditioning assisting device 4 instructs only the first air conditioner 2a to perform heating operation via the communication network 5. Only the first air conditioner 2a performs heating operation (S26). In FIG. 7 , the operation in step S26 is described as the following wording: "only one air conditioner performs heating operation”.
  • the air conditioning assisting device 4 determines whether or not a predetermined time has elapsed since the air conditioning assisting device 4 instructed the first air conditioner 2a to perform heating operation (S27). If it is determined that the predetermined time has not elapsed (No in S27), the air conditioning assisting device 4 performs the operation in step S27.
  • the air conditioning assisting device 4 detects the temperature of the room by the thermal image sensor 41, and recognizes, as a control area of the first air conditioner 2a, a block in which the temperature is a preset heating reference temperature among the 64 blocks 401,..., 464 (S28). Specifically, in step S28, the air conditioning assisting device 4 associates a block in which the detected temperature is the heating reference temperature among the 64 blocks 401,..., 464 with the first air conditioner 2a.
  • the operation in step S28 is described as the following wording: "recognize block in which temperature is heating reference temperature as control area of one air conditioner".
  • the air conditioning assisting device 4 stores the recognized matter in the storage unit 43.
  • the air conditioning assisting device 4 instructs the first air conditioner 2a to stop operating.
  • the first air conditioner 2a stops operating (S29).
  • the operation in step S29 is described as the following wording: "one air conditioner stops operating”. As a result, the operation of associating the first air conditioner 2a with the block to be controlled by the first air conditioner 2a is terminated.
  • the air conditioning assisting device 4 performs an operation of associating the second air conditioner 2b with a block to be controlled by the second air conditioner 2b in accordance with the procedures in the flowchart of FIG. 7 .
  • the first air conditioner 2a in the description above with reference to FIG. 7 is replaced with the second air conditioner 2b. If it is determined by the air conditioning assisting device 4 that the current month is any of May to September (Yes in S21), the operations in step S22 and subsequent steps are performed. If it is determined by the air conditioning assisting device 4 that the current month is none of May to September (No in S21), the operations in step S26 and subsequent steps are performed.
  • the air conditioning assisting device 4 sequentially performs an operation of associating the third air conditioner 2c with a block to be controlled by the third air conditioner 2c, and an operation of associating the fourth air conditioner 2d with a block to be controlled by the fourth air conditioner 2d. In this manner, the air conditioning assisting device 4 associates each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d with one of the 64 blocks 401,..., 464.
  • the first air conditioner 2a stops, and the second air conditioner 2b performs cooling operation.
  • the air conditioning assisting device 4 may recognize a wrong block as a block to be controlled by the second air conditioner 2b.
  • the air conditioning assisting device 4 may associate each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d with any one of the 64 blocks 401,..., 464 in accordance with procedures of a flowchart in FIG. 8.
  • FIG. 8 is a flowchart illustrating part of an example of procedures of still another operation of the air conditioning assisting device 4 included in the air conditioning system 1 according to the embodiment.
  • the air conditioning assisting device 4 detects the temperature of the room by the thermal image sensor 41 before causing the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d to operate (S31).
  • the air conditioning assisting device 4 determines whether or not the temperature detected by the thermal image sensor 41 is equal to or higher than a preset reference room air temperature (S32). If the temperature detected by the thermal image sensor 41 is determined to be equal to or higher than the reference room air temperature (Yes in S32), the air conditioning assisting device 4 instructs only the first air conditioner 2a to perform cooling operation via the communication network 5. Only the first air conditioner 2a performs cooling operation (S33). In FIG. 8 , the operation in step S33 is described as the following wording: "only one air conditioner performs cooling operation".
  • the air conditioning assisting device 4 determines whether or not a predetermined time has elapsed since the air conditioning assisting device 4 instructed the first air conditioner 2a to perform cooling operation (S34). If it is determined that the predetermined time has not elapsed (No in S34), the air conditioning assisting device 4 performs the operation in step S34.
  • the air conditioning assisting device 4 detects the temperature of the room by the thermal image sensor 41, and recognizes, as a control area of the first air conditioner 2a, a block in which the temperature is a preset cooling reference temperature among the 64 blocks 401,..., 464 (S35). Specifically, in step S35, the air conditioning assisting device 4 associates a block in which the detected temperature is the cooling reference temperature among the 64 blocks 401,..., 464 with the first air conditioner 2a. In FIG. 8 , the operation in step S35 is described as the following wording: "recognize block in which temperature is cooling reference temperature as control area of one air conditioner". The air conditioning assisting device 4 stores the recognized matter in the storage unit 43.
  • the air conditioning assisting device 4 instructs the first air conditioner 2a to stop operating.
  • the first air conditioner 2a stops operating (S36).
  • the operation in step S36 is described as the following wording: "one air conditioner stops operating”. As a result, the operation of associating the first air conditioner 2a with the block to be controlled by the first air conditioner 2a is terminated.
  • step S36 the air conditioning assisting device 4 instructs only the second air conditioner 2b to perform heating operation via the communication network 5. Only the second air conditioner 2b performs heating operation (S37).
  • the operation in step S37 is described as the following wording: "only another air conditioner performs heating operation”.
  • the air conditioning assisting device 4 determines whether or not a predetermined time has elapsed since the air conditioning assisting device 4 instructed the second air conditioner 2b to perform heating operation (S38). If it is determined that the predetermined time has not elapsed (No in S38), the air conditioning assisting device 4 performs the operation in step S38.
  • the air conditioning assisting device 4 detects the temperature of the room by the thermal image sensor 41, and recognizes, as a control area of the second air conditioner 2b, a block in which the temperature is a preset heating reference temperature among the 64 blocks 401,..., 464 (S39). Specifically, in step S39, the air conditioning assisting device 4 associates a block in which the detected temperature is the heating reference temperature among the 64 blocks 401,..., 464 with the second air conditioner 2b.
  • the operation in step S39 is described as the following wording: "recognize block in which temperature is heating reference temperature as control area of another air conditioner".
  • the air conditioning assisting device 4 stores the recognized matter in the storage unit 43.
  • step S39 the air conditioning assisting device 4 instructs the second air conditioner 2b to stop operating.
  • the second air conditioner 2b stops operating (S40).
  • the operation in step S40 is described as the following wording: "another air conditioner stops operating”. As a result, the operation of associating the second air conditioner 2b with the block to be controlled by the second air conditioner 2b is terminated.
  • the air conditioning assisting device 4 instructs only the third air conditioner 2c to perform cooling operation via the communication network 5. Specifically, after the operation in step S40 is performed, the air conditioning system 1 performs the operations from step S33 to step S40.
  • the first air conditioner 2a in the description above with reference to FIG. 8 is replaced with the third air conditioner 2c
  • the second air conditioner 2b in the description above with reference to FIG. 8 is replaced with the fourth air conditioner 2d.
  • the air conditioning assisting device 4 instructs only the first air conditioner 2a to perform heating operation via the communication network 5. Only the first air conditioner 2a performs heating operation (S41). In FIG. 8 , the operation in step S41 is described as the following wording: "only one air conditioner performs heating operation”.
  • the air conditioning assisting device 4 determines whether or not a predetermined time has elapsed since the air conditioning assisting device 4 instructed the first air conditioner 2a to perform heating operation (S42). If it is determined that the predetermined time has not elapsed (No in S42), the air conditioning assisting device 4 performs the operation in step S42.
  • the air conditioning assisting device 4 detects the temperature of the room by the thermal image sensor 41, and recognizes, as a control area of the first air conditioner 2a, a block in which the temperature is a preset heating reference temperature among the 64 blocks 401,..., 464 (S43). Specifically, in step S43, the air conditioning assisting device 4 associates a block in which the detected temperature is the heating reference temperature among the 64 blocks 401,..., 464 with the first air conditioner 2a. In FIG. 8 , the operation in step S43 is described as the following wording: "recognize block in which temperature is heating reference temperature as control area of one air conditioner". The air conditioning assisting device 4 stores the recognized matter in the storage unit 43.
  • the air conditioning assisting device 4 instructs the first air conditioner 2a to stop operating.
  • the first air conditioner 2a stops operating (S44).
  • the operation in step S44 is described as the following wording: "one air conditioner stops operating”. As a result, the operation of associating the first air conditioner 2a with the block to be controlled by the first air conditioner 2a is terminated.
  • the air conditioning assisting device 4 instructs only the second air conditioner 2b to perform cooling operation via the communication network 5. Only the second air conditioner 2b performs cooling operation (S45).
  • the operation in step S45 is described as the following wording: "only another air conditioner performs cooling operation”.
  • the air conditioning assisting device 4 determines whether or not a predetermined time has elapsed since the air conditioning assisting device 4 instructed the second air conditioner 2b to perform cooling operation (S46). If it is determined that the predetermined time has not elapsed (No in S46), the air conditioning assisting device 4 performs the operation in step S46.
  • the air conditioning assisting device 4 detects the temperature of the room by the thermal image sensor 41, and recognizes, as a control area of the second air conditioner 2b, a block in which the temperature is a preset cooling reference temperature among the 64 blocks 401,..., 464 (S47). Specifically, in step S47, the air conditioning assisting device 4 associates a block in which the detected temperature is the cooling reference temperature among the 64 blocks 401,..., 464 with the second air conditioner 2b.
  • the operation in step S47 is described as the following wording: "recognize block in which temperature is cooling reference temperature as control area of another air conditioner".
  • the air conditioning assisting device 4 stores the recognized matter in the storage unit 43.
  • step S47 the air conditioning assisting device 4 instructs the second air conditioner 2b to stop operating.
  • the second air conditioner 2b stops operating (S48).
  • the operation in step S48 is described as the following wording: "another air conditioner stops operating”. As a result, the operation of associating the second air conditioner 2b with the block to be controlled by the second air conditioner 2b is terminated.
  • the air conditioning assisting device 4 instructs only the third air conditioner 2c to perform heating operation via the communication network 5. Specifically, after the operation in step S48 is performed, the air conditioning system 1 performs the operations from step S41 to step S48.
  • the first air conditioner 2a in the description above with reference to FIG. 8 is replaced with the third air conditioner 2c
  • the second air conditioner 2b in the description above with reference to FIG. 8 is replaced with the fourth air conditioner 2d.
  • the air conditioning assisting device 4 associates each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d with one of the 64 blocks 401,..., 464.
  • the wind direction of each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d during operation may be set to vertically downward so as to prevent cool air or warm air from spreading to cause a temperature difference in the room before each operation is performed.
  • the wind direction of each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d during operation may be set to vertically downward so as to prevent cool air or warm air from spreading to cause a temperature difference in the room before each operation is performed.
  • the air volume of each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d during operation may be set to a maximum volume of its capacity.
  • the air conditioning assisting device 4 may stop the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d for a predetermined time period each time association of any of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d with one of the 64 blocks 401,..., 464 is terminated, so as to make the temperature of the room uniform in advance for the purpose of appropriately determining a temperature difference.
  • the air conditioning assisting device 4 may cause the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d to perform fan operation for a predetermined time period each time association of any of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d with one of the 64 blocks 401,..., 464 is terminated, so as to make the temperature of the room uniform in advance for the purpose of appropriately determining a temperature difference.
  • the air conditioning system 1 includes the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d, and also includes the air conditioning assisting device 4.
  • the air conditioning assisting device 4 includes the thermal image sensor 41 for detecting temperature, and controls the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d on the basis of results obtained by the thermal image sensor 41.
  • the air conditioning assisting device 4 which includes the thermal image sensor 41 for detecting temperature, can control the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d on the basis of results obtained by the thermal image sensor 41.
  • the air conditioning system 1 can thus control each of a plurality of air conditioners, which do not support attachment of a sensor for detecting temperature, on the basis of a result obtained by the sensor.
  • the air conditioning system 1 can associate each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d with a space to be controlled by the air conditioner without using an external device such as a personal computer.
  • the air conditioning system 1 can analyze operation states of and determine control of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d without using an external device such as a personal computer.
  • an operation state includes some or all of the temperature of the room in which the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d are installed, the humidity of the room, and the air volume of each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d.
  • FIG. 9 is a diagram illustrating a processor 91 in a case where the thermal image sensor 41, the assisting side communication unit 42, and the processing unit 44 included in the air conditioning assisting device 4 of the air conditioning system 1 according to the embodiment are at least partially implemented by the processor 91.
  • the processor 91 executing programs stored in a memory 92.
  • the processor 91 is a central processing unit (CPU), a processing device, a computing device, a microprocessor, or a digital signal processor (DSP).
  • FIG. 9 also illustrates the memory 92.
  • the processor 91 In the case where at least some of the functions of the thermal image sensor 41, the assisting side communication unit 42, and the processing unit 44 are implemented by the processor 91, the at least some of the functions are implemented by the processor 91 and software, firmware, or combination of software and firmware.
  • the software or firmware is described in the form of programs and stored in the memory 92.
  • the processor 91 reads and executes programs stored in the memory 92 to implement at least some of the functions of the thermal image sensor 41, the assisting side communication unit 42, and the processing unit 44.
  • the air conditioning assisting device 4 includes the memory 92 for storing programs that result in execution of at least some of the steps performed by the thermal image sensor 41, the assisting side communication unit 42, and the processing unit 44.
  • the programs stored in the memory 92 cause a computer to execute at least part of the thermal image sensor 41, the assisting side communication unit 42, and the processing unit 44.
  • the memory 92 is a nonvolatile or volatile semiconductor memory such as a random access memory (RAM), a read only memory (ROM), a flash memory, and an erasable programmable read only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM) (registered trademark); a magnetic disk; a flexible disk; an optical disk; a compact disc; a mini disc; a digital versatile disk (DVD); or the like, for example.
  • RAM random access memory
  • ROM read only memory
  • EPROM erasable programmable read only memory
  • EEPROM electrically erasable programmable read-only memory
  • FIG. 10 is a diagram illustrating processing circuitry 93 in a case where the thermal image sensor 41, the assisting side communication unit 42, and the processing unit 44 included in the air conditioning assisting device 4 of the air conditioning system 1 according to the embodiment are at least partially implemented by the processing circuitry 93.
  • the thermal image sensor 41, the assisting side communication unit 42, and the processing unit 44 may be at least partially implemented by the processing circuitry 93.
  • the processing circuitry 93 is dedicated hardware.
  • the processing circuitry 93 is a single circuit, a composite circuit, a programmed processor, a parallel-programmed processor, an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or a combination thereof, for example.
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • Part of the thermal image sensor 41, the assisting side communication unit 42, and the processing unit 44 may be dedicated hardware separate from the remaining part thereof.
  • a plurality of functions of the thermal image sensor 41, the assisting side communication unit 42, and the processing unit 44 may be implemented by software or firmware, and the remaining functions may be implemented by dedicated hardware. As described above, a plurality of functions of the thermal image sensor 41, the assisting side communication unit 42, and the processing unit 44 can be implemented by hardware, software, firmware, or a combination thereof.
  • At least part of the air conditioning side communication unit included by each of the first air conditioner 2a, the second air conditioner 2b, the third air conditioner 2c, and the fourth air conditioner 2d may be implemented by a processor, or may be implemented by processing circuitry.
  • each of the air conditioning side communication unit 21a, the air conditioning side communication unit 21b, the air conditioning side communication unit 21c, and the air conditioning side communication unit 21d may be at least partially implemented by a processor or processing circuitry.
  • 1 air conditioning system 2a first air conditioner; 2b second air conditioner; 2c third air conditioner; 2d fourth air conditioner; 3a first outdoor unit; 3b second outdoor unit; 3c third outdoor unit; 3d fourth outdoor unit; 4 air conditioning assisting device; 5 communication network; 21a, 21b, 21c, 21d air conditioning side communication unit; 41 thermal image sensor; 42 assisting side communication unit; 43 storage unit; 44 processing unit; 91 processor; 92 memory; 93 processing circuitry.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)
  • Central Air Conditioning (AREA)
EP20924444.1A 2020-03-11 2020-03-11 Système de climatisation Pending EP4119860A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/010589 WO2021181571A1 (fr) 2020-03-11 2020-03-11 Système de climatisation

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EP4119860A4 EP4119860A4 (fr) 2023-07-19

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US (1) US20230011111A1 (fr)
EP (1) EP4119860A4 (fr)
JP (1) JP7246564B2 (fr)
CN (1) CN115315596A (fr)
AU (1) AU2020434523B2 (fr)
WO (1) WO2021181571A1 (fr)

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JP2006105487A (ja) * 2004-10-06 2006-04-20 Hitachi Ltd 空気調和システム
JP5017353B2 (ja) * 2009-11-17 2012-09-05 三菱電機株式会社 空調制御システム、空気調和装置、空調制御方法、温度計測システム及び温度計測方法
WO2012011400A1 (fr) 2010-07-20 2012-01-26 三洋電機株式会社 Dispositif de gestion des sorties
EP2687790B1 (fr) * 2011-03-16 2018-09-05 Mitsubishi Electric Corporation Dispositif de gestion de système de climatisation
EP2927613B1 (fr) * 2012-11-30 2019-09-04 Mitsubishi Electric Corporation Dispositif, système et procédé de fonctionnement d'équipements d'installations, et programme
WO2015079548A1 (fr) * 2013-11-29 2015-06-04 三菱電機株式会社 Système de conditionnement d'air
JP6755322B2 (ja) * 2016-09-16 2020-09-16 三菱電機株式会社 支援装置、空調システム、および、導出方法

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US20230011111A1 (en) 2023-01-12
AU2020434523A1 (en) 2022-09-08
JPWO2021181571A1 (fr) 2021-09-16
WO2021181571A1 (fr) 2021-09-16
JP7246564B2 (ja) 2023-03-27
EP4119860A4 (fr) 2023-07-19
CN115315596A (zh) 2022-11-08

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