WO2022137366A1 - Système de climatisation - Google Patents

Système de climatisation Download PDF

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Publication number
WO2022137366A1
WO2022137366A1 PCT/JP2020/048048 JP2020048048W WO2022137366A1 WO 2022137366 A1 WO2022137366 A1 WO 2022137366A1 JP 2020048048 W JP2020048048 W JP 2020048048W WO 2022137366 A1 WO2022137366 A1 WO 2022137366A1
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WO
WIPO (PCT)
Prior art keywords
unit
wind direction
human body
thermal image
control unit
Prior art date
Application number
PCT/JP2020/048048
Other languages
English (en)
Japanese (ja)
Inventor
崇明 杉本
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2020/048048 priority Critical patent/WO2022137366A1/fr
Priority to JP2022570836A priority patent/JP7438407B2/ja
Publication of WO2022137366A1 publication Critical patent/WO2022137366A1/fr

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    • 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
    • F24F11/523—Indication arrangements, e.g. displays for displaying temperature 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
    • F24F11/70—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
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy
    • F24F2120/12—Position of occupants

Definitions

  • This disclosure relates to an air conditioning system that harmonizes indoor air.
  • the wind blowout which is an operation target image in which the wind blows from the element indicating the main body of the air conditioner, is displayed on the touch panel unit, and the wind direction is changed based on the operation of touching and moving the operation target image.
  • An air conditioning control terminal that transmits setting information including the above to the main body of the air conditioner is disclosed.
  • the present disclosure has been made in view of the above, and an object of the present invention is to obtain an air conditioning system capable of automatically blowing air toward the user even when the user moves.
  • the air conditioner system includes an air conditioner arranged in a room to blow the conditioned air into the room and a terminal device for controlling the operation of the air conditioner. And prepare.
  • the air conditioner includes a thermal image information acquisition unit that acquires thermal image information that is information on the thermal image of the temperature distribution of the surface temperature in the room, an air conditioner communication unit that communicates with an external device, and an air conditioner. It is equipped with an air conditioning control unit that performs air conditioning control.
  • the terminal device is aimed at a user who is indoors in air conditioning control, an operation unit that accepts the operation setting operation of the air conditioner, a display unit that displays a thermal image, and a terminal communication unit that communicates with an external device.
  • a terminal control unit that determines a target wind direction, which is a wind direction for blowing air, at a predetermined cycle and transmits it to an air conditioning control unit.
  • the terminal control unit displays the thermal image and the detected human body detected in the thermal image on the display unit at a predetermined cycle based on the thermal image information, and the detected human body selected from the detected human bodies displayed on the display unit. Determines the wind direction toward the existing area in the thermal image as the target wind direction.
  • the air conditioning control unit controls the wind direction based on the target wind direction.
  • the air conditioning system according to the present disclosure has the effect that even if the user moves, the air can be automatically blown to the user.
  • a block diagram schematically showing the configuration of the air conditioning system according to the first embodiment Functional block diagram showing the functional configuration of the air conditioner according to the first embodiment
  • Front view showing the appearance of the indoor unit in the air conditioner according to the first embodiment.
  • Front view schematically showing the wind direction plate of the indoor unit in the air conditioner according to the first embodiment.
  • Schematic diagram showing an example of the temperature detection range in the infrared sensor according to the first embodiment.
  • the figure which shows an example of the hardware composition of the processing circuit which concerns on Embodiment 1.
  • a flowchart showing the operation of the indoor unit in the air conditioning system according to the first embodiment A flowchart showing the operation of the terminal device in the air conditioning system according to the first embodiment.
  • FIG. 1 is a configuration diagram schematically showing the configuration of the air conditioning system 100 according to the first embodiment.
  • FIG. 2 is a functional block diagram showing a functional configuration of the air conditioner 10 according to the first embodiment.
  • FIG. 2 shows the indoor unit 11 of the air conditioner 10 and the terminal device 14 in the configuration of the air conditioner system 100.
  • the indoor unit 11 installed indoors, the outdoor unit 12 installed outdoors, and the refrigerant between the indoor unit 11 and the outdoor unit 12.
  • the air conditioner 10 is provided with a refrigerant pipe 13 for circulating the air conditioner, and a terminal device 14 for transmitting a control instruction command to the air conditioner 10 to the indoor unit 11.
  • the outdoor unit 12 can communicate with the indoor unit 11 via a communication line (not shown).
  • the air conditioner 10 forms one complete refrigeration cycle with the indoor unit 11 and the outdoor unit 12.
  • the air conditioner 10 uses a refrigerant that circulates between the indoor unit 11 and the outdoor unit 12 through the refrigerant pipe 13, and heat is transferred between the indoor air and the outdoor air, which are the air conditioning target spaces.
  • the indoor unit 11 and the outdoor unit 12 are connected by a refrigerant pipe 13, and the pressure of the refrigerant flowing in the refrigerant pipe 13 is changed by the compressor provided in the outdoor unit 12, and air conditioning is achieved by absorbing and radiating heat from the refrigerant. conduct.
  • the indoor unit 11 includes a temperature information acquisition unit 21, a thermal image information acquisition unit 22, an indoor unit storage unit 23, an air conditioning control unit 24, an indoor unit communication unit 25, a wind direction plate drive unit 26, and a wind direction plate. 27 and.
  • FIG. 3 is a front view showing the appearance of the indoor unit 11 in the air conditioner 10 according to the first embodiment.
  • FIG. 4 is a front view schematically showing the wind direction plate 27 of the indoor unit 11 in the air conditioner 10 according to the first embodiment.
  • the indoor unit 11 is provided with a temperature information acquisition unit 21, an indoor unit communication unit 25, and a wind direction plate 27 on the front surface.
  • the temperature information acquisition unit 21 acquires indoor temperature information, which is information on the indoor temperature state.
  • a temperature detection sensor including an infrared sensor such as a thermal diode infrared sensor is exemplified.
  • the temperature information acquisition unit 21 measures the surface temperature over a wide area in the room, which is the monitoring range.
  • the infrared sensor periodically detects the infrared intensity of the monitoring range at a predetermined cycle at a preset predetermined time.
  • the infrared sensor converts the infrared intensity of the detected monitoring range into temperature by performing a predetermined conversion process on the detected infrared intensity detection result, and generates temperature distribution information showing the temperature distribution of the indoor surface temperature. Then, it is transmitted to the thermal image information acquisition unit 22 as indoor temperature information.
  • FIG. 5 is a schematic diagram showing an example of the temperature detection range in the infrared sensor according to the first embodiment.
  • the left-right direction corresponding to the width direction of the room is the X direction
  • the vertical direction corresponding to the height direction of the room is the Y direction.
  • the infrared sensor can detect the surface temperature at a distant point, and can comprehensively detect the surface temperature of the entire room. That is, the infrared sensor can acquire the surface temperature of the room as indoor information.
  • An example of an infrared sensor is a thermal diode infrared sensor.
  • the thermal diode infrared sensor converts the temperature measured by the thermal diode receiving infrared rays into a format that can be transmitted to the thermal image information acquisition unit 22, and generates temperature distribution information indicating the temperature distribution of the surface temperature in the room. ..
  • the infrared sensor detects the surface temperature from the ceiling surface of the room to the floor surface directly below the indoor unit 11.
  • the indoor monitoring area monitored by the infrared sensor to acquire the temperature information of the surface temperature is the monitoring range A1, the monitoring range A2, the monitoring range A3, the monitoring range A4, and the monitoring range A5 from above in the Y direction. It is divided into a monitoring range A6 and a monitoring range A7.
  • the infrared sensor monitors the monitoring range A1 and acquires the indoor surface temperature of the monitoring range A1.
  • the infrared sensor monitors the monitoring range A2 to acquire the surface temperature in the room of the monitoring range A2, monitors the monitoring range A3 to acquire the surface temperature of the room in the monitoring range A3, and monitors the monitoring range A4.
  • the surface temperature inside the room of the monitoring range A4 is acquired, the surface temperature inside the room of the monitoring range A5 is acquired by monitoring the monitoring range A5, and the surface temperature inside the room of the monitoring range A6 is acquired by monitoring the monitoring range A6.
  • the monitoring range A7 is monitored and the surface temperature in the room of the monitoring range A7 is acquired.
  • the indoor unit 11 includes a direction changing unit that changes the direction of the infrared sensor in the X direction.
  • the direction of the infrared sensor is the direction toward the detection target portion of the surface temperature.
  • the direction changing unit includes a mechanism for driving the direction of the infrared sensor in the X direction, changes the direction of the infrared sensor to the left and right, and moves the infrared sensor in the horizontal direction at regular intervals.
  • the infrared sensor detects the surface temperature of the entire room while changing the detection target part of the surface temperature in the X direction by driving the direction changing part, and creates a temperature distribution which is the temperature information of the room in the XY plane.
  • the thermal image information acquisition unit 22 generates thermal image information which is thermal image information expressing the temperature distribution of the surface temperature in the room by the color temperature from the temperature distribution information received from the temperature information acquisition unit 21.
  • the thermal image information is information showing the room temperature information as an image.
  • the thermal image information acquisition unit 22 transmits the thermal image information to the air conditioning control unit 24. Further, the thermal image information acquisition unit 22 can also generate information on the human body detection region in which the human body is detected in the thermal image and transmit it to the air conditioning control unit 24 together with the thermal image information.
  • the indoor unit storage unit 23 stores information necessary for air conditioning control in the air conditioner 10. Further, the indoor unit storage unit 23 stores indoor temperature information and thermal image information.
  • the indoor unit communication unit 25 is an air conditioner communication unit for the indoor unit 11 to communicate with an external device of the indoor unit 11.
  • the indoor unit communication unit 25 receives the information transmitted from the terminal communication unit 33 of the terminal device 14 and transmits it to the air conditioning control unit 24. Further, the indoor unit communication unit 25 transmits the information processed and transmitted by the thermal image information acquisition unit 22 and the information transmitted from the air conditioning control unit 24 to the terminal communication unit 33.
  • the information processed and transmitted by the thermal image information acquisition unit 22 is exemplified by thermal image information.
  • information transmitted from the air conditioning control unit 24 information such as the current wind direction information is exemplified.
  • the indoor unit communication unit 25 may be any communication method as long as it can communicate with the terminal communication unit 33 mounted on the terminal device 14.
  • a general communication method using a wireless router or a wireless LAN (Local Area Network) adapter as a repeater is exemplified.
  • the air conditioning control unit 24 has various information related to the operation of the air conditioning device 10, such as information received from the thermal image information acquisition unit 22, instruction information received from the terminal device 14, and information stored in advance in the air conditioning control unit 24.
  • the operation of the air conditioner 10 is controlled based on the information. That is, the air conditioning control unit 24 has the wind direction which is the direction of the airflow blown into the room from the indoor unit 11, the strength of the airflow blown into the room from the indoor unit 11, and the room based on various information regarding the operation of the air conditioning machine 10. It controls the setting of air-conditioning operation such as the temperature of the airflow blown into the room from the machine 11, and controls the operation of the air-conditioning machine 10.
  • the wind direction of the airflow blown into the room from the indoor unit 11 is changed by the wind direction plate 27 provided on the front surface of the indoor unit 11.
  • a wind direction plate 27 for changing the wind direction of the airflow blown into the room from the indoor unit 11 On the front surface of the indoor unit 11, as a wind direction plate 27 for changing the wind direction of the airflow blown into the room from the indoor unit 11, a first wind direction plate 27a having a louver for changing the wind direction of the airflow blown into the room from the indoor unit 11 in the vertical direction.
  • a second wind direction plate 27b and a third wind direction plate 27c having a louver for changing the horizontal direction of the air flow blown into the room from the indoor unit 11 are provided.
  • the third wind direction plate 27c is provided on the inner side of the first wind direction plate 27a and the second wind direction plate 27b.
  • the first wind direction plate 27a and the second wind direction plate 27b are rotated by the wind direction plate drive unit 26 with rotation axes (not shown) provided at both ends as fulcrums.
  • the third wind direction plate 27c is rotated by the wind direction plate drive unit 26 with a rotation shaft (not shown) provided at the lower part as a fulcrum.
  • the wind direction plate drive unit 26 drives the wind direction plate 27 in accordance with a command from the air conditioning control unit 24.
  • the air conditioned control unit 24 changes the directions of the first wind direction plate 27a and the second wind direction plate 27b, and changes the wind direction from downward to upward. It suffices to control the change to.
  • the first wind direction plate 27a shows a state in which the wind direction of the airflow blown into the room from the indoor unit 11 is directed downward
  • the second wind direction plate 27b shows the state of the airflow blown into the room from the indoor unit 11. It shows how the wind direction is turned up.
  • the third wind direction plate 27c can change the wind direction to the left and right, and is composed of, for example, a plurality of fins.
  • the wind direction plate drive unit 26 is driven according to a command from the air conditioning control unit 24 to change the attitude of the wind direction plate 27.
  • the wind direction plate drive unit 26 is exemplified by a motor such as a stepping motor.
  • the strength of the airflow blown into the room from the indoor unit 11 is changed by adjusting the rotation speed of the motor of the fan (not shown). Further, the temperature of the airflow blown from the indoor unit 11 into the room is changed by changing the temperature of the refrigerant of the heat exchanger (not shown).
  • the air conditioning control unit 24 is realized as, for example, a processing circuit having a hardware configuration shown in FIG.
  • FIG. 6 is a diagram showing an example of the hardware configuration of the processing circuit according to the first embodiment.
  • the air conditioning control unit 24 is realized, for example, by the processor 101 executing the program stored in the memory 102 shown in FIG. ..
  • a plurality of processors and a plurality of memories may cooperate to realize the above function.
  • a part of the functions of the air conditioning control unit 24 may be implemented as an electronic circuit, and the other part may be realized by using the processor 101 and the memory 102.
  • the indoor unit communication unit 25 may be configured to be realized by the processor 101 executing a program similarly stored in the memory 102. Further, the processor and memory for realizing the indoor unit communication unit 25 may be the same as the processor and memory for realizing the air conditioning control unit 24, or may be another processor and memory.
  • the terminal device 14 includes an operation unit 31, a display unit 32, a terminal communication unit 33, a terminal storage unit 34, and a terminal control unit 35.
  • Each component in the terminal device 14 can exchange information with each other.
  • the terminal device 14 shown in the first embodiment is a terminal device 14 separate from the indoor unit 11, and for example, a smartphone is used.
  • a mobile phone terminal such as a smartphone used by the user, or a communication device such as a tablet terminal.
  • the operation unit 31 accepts the setting operation of the air conditioning setting requested by the user. That is, the operation unit 31 is an interface for remotely controlling the operation of the air conditioner 10, and receives instructions from the user regarding the operation of the air conditioner 10 and operation setting information for setting the operation of the air conditioner 10. ..
  • the operation unit 31 starts the operation of the air conditioner 10, stops the operation of the air conditioner 10, selects the operation mode of the air conditioner 10 including the automatic wind direction tracking control, changes the set temperature, changes the set humidity, and sets the air volume. It is configured so that the user can arbitrarily select various functions related to the air-conditioning operation in the air-conditioning machine 10, such as setting the wind direction and changing the setting of operation prohibition items.
  • the operation unit 31 transmits various received information to the terminal control unit 35.
  • the display unit 32 displays various information related to the operation of the air conditioner 10, including the operation content received by the operation unit 31 and the thermal image image received from the indoor unit 11.
  • the terminal communication unit 33 receives instruction information for remote control of the operation of the air conditioner 10 from the operation unit 31.
  • the terminal communication unit 33 transmits the instruction information received from the operation unit 31 to the indoor unit communication unit 25 of the indoor unit 11. Further, the terminal communication unit 33 receives various information from the indoor unit communication unit 25 of the indoor unit 11. The terminal communication unit 33 transmits the received information to the terminal control unit 35.
  • the terminal communication unit 33 may be any communication method as long as it can communicate with the indoor unit communication unit 25 mounted on the indoor unit 11.
  • the terminal storage unit 34 stores information necessary for remote control of air conditioning control in the air conditioner 10 and information necessary for controlling the terminal device 14.
  • the terminal control unit 35 controls the operation of the terminal device 14 based on the instruction information received from the operation unit 31.
  • the terminal control unit 35 transmits the information received from the operation unit 31 and the instruction information necessary for operating the air conditioner 10 to the indoor unit communication unit 25 of the indoor unit 11 via the terminal communication unit 33.
  • the terminal control unit 35 transmits the information of the target wind direction determined in the wind direction automatic tracking control to the indoor unit communication unit 25 of the indoor unit 11 via the terminal communication unit 33.
  • the target wind direction is a wind direction that blows air toward a user in the room in the wind direction automatic tracking control.
  • the terminal control unit 35 controls to display various information on the display unit 32. Based on the current wind direction information and the thermal image information acquired from the indoor unit 11, the display unit 32 controls to display the current indoor thermal image and the current wind direction in the indoor unit 11. That is, the terminal control unit 35 has a function as an image processing unit and a function as a display control unit.
  • the mobile phone terminal can be used as the terminal device 14 by making the indoor unit communication unit 25 of the indoor unit 11 correspond to these communications.
  • FIG. 7 is a flowchart showing the operation of the indoor unit 11 in the air conditioning system 100 according to the first embodiment.
  • step S110 the air conditioning control unit 24 analyzes the received data received from the terminal device 14. Specifically, the air conditioning control unit 24 receives the data transmitted from the terminal device 14 via the indoor unit communication unit 25 of the indoor unit 11. The air conditioning control unit 24 analyzes the received data and determines whether or not there is wind direction instruction information specified in the terminal device 14 for instructing the change of the wind direction.
  • step S120 If it is determined that there is wind direction instruction information, the process proceeds to step S120. If it is determined that there is no wind direction instruction information, the air conditioning control unit 24 performs a process based on the instruction information included in the received data and repeats step S110.
  • step S120 the air conditioning control unit 24 controls the wind direction of the air blown into the room from the indoor unit 11 so as to be the wind direction specified in the wind direction instruction information.
  • the air harmonization control unit 24 indicates the postures of the first wind direction plate 27a, the second wind direction plate 27b, and the third wind direction plate 27c in the wind direction instruction information by the wind direction of the air blown into the room from the indoor unit 11.
  • the drive amount of the wind direction plate drive unit 26 is controlled so as to be displaced to the position where the wind direction is set. If it is determined in step S110 that there is no wind direction instruction information, the air conditioning control unit 24 does not control the wind direction plate drive unit 26.
  • the thermal image information acquisition unit 22 acquires thermal image information which is thermal image information expressing the temperature distribution of the surface temperature in the room by the color temperature. Specifically, first, the temperature information acquisition unit 21 acquires indoor temperature information, which is information on the temperature state in the room. For example, when the temperature information acquisition unit 21 is an infrared sensor, the temperature information acquisition unit 21 measures the surface temperature over a wide area in the room, which is the monitoring range. The infrared sensor periodically detects the infrared intensity of the monitoring range at a predetermined cycle with a preset predetermined time.
  • the infrared sensor converts the infrared intensity of the detected monitoring range into temperature by performing a predetermined conversion process on the detected infrared intensity detection result, and generates temperature distribution information showing the temperature distribution of the indoor surface temperature. Then, it is transmitted to the thermal image information acquisition unit 22 as indoor temperature information which is indoor information.
  • the thermal image information acquisition unit 22 receives temperature distribution information, which is indoor temperature information, from the temperature information acquisition unit 21, stores it, and holds it.
  • the thermal image information acquisition unit 22 generates thermal image information which is the information of the thermal image expressing the temperature distribution of the surface temperature in the room by the color temperature from the temperature distribution information received from the temperature information acquisition unit 21.
  • the thermal image information acquisition unit 22 transmits the thermal image information to the air conditioning control unit 24.
  • step S140 the air conditioning control unit 24 communicates the information on the wind direction of the air blown into the room from the indoor unit 11 controlled in step S120 and the thermal image information acquired from the thermal image information acquisition unit 22. It is transmitted to the terminal device 14 via the unit 25.
  • the wind direction information of the air blown into the room from the indoor unit 11 controlled in step S120 is the same as the wind direction information instructed in the wind direction instruction information, and can be said to be the current wind direction information in the indoor unit 11.
  • the indoor unit 11 repeatedly controls the processes from step S110 to step S140 described above in a predetermined cycle.
  • the control cycle of the indoor unit 11 at this time is not synchronized with the control cycle of the terminal device 14.
  • FIG. 8 is a flowchart showing the operation of the terminal device 14 in the air conditioning system 100 according to the first embodiment.
  • step S210 the terminal control unit 35 analyzes the received data received from the indoor unit 11. Specifically, the terminal control unit 35 receives the current wind direction information and the thermal image information transmitted from the indoor unit 11 via the terminal communication unit 33. The terminal control unit 35 analyzes the current wind direction information and the thermal image information, and creates the current indoor thermal image shown in the thermal image information and the display data for displaying the current wind direction in the indoor unit 11. do. Further, in the thermal image, the human body detection region detected as a human body by the terminal control unit 35 by a known method is displayed so that the user can understand that it is a human body. When the terminal control unit 35 receives the display operation information instructing the screen display of the thermal image in the current room and the current wind direction in the indoor unit 11 from the operation unit 31, the terminal control unit 35 transmits the created display data to the display unit 32. do.
  • step S220 the display unit 32 displays the current indoor thermal image and the current wind direction in the indoor unit 11 on the screen. Specifically, the display unit 32 receives the display data transmitted from the terminal control unit 35, and displays the current indoor thermal image and the current wind direction in the indoor unit 11 on the screen based on the display data. As a result, the current thermal image of the room and the current wind direction in the indoor unit 11 are visualized on the display unit 32. The current wind direction is superimposed and displayed on the thermal image in the current room.
  • the user can visually and intuitively recognize the current thermal image in the room and the current wind direction in the indoor unit 11.
  • the display screen of the current indoor thermal image in the display unit 32 and the current wind direction in the indoor unit 11 is updated every time the terminal control unit 35 analyzes the received data in step S210.
  • step S230 the terminal control unit 35 determines the user operation regarding the setting of the wind direction automatic tracking control. Specifically, the terminal control unit 35 determines whether or not the tracking mode is set by the user operation on the operation unit 31.
  • the wind direction automatic tracking control is a control that automatically blows air to a user in the room. In the following, "wind direction automatic tracking control" may be referred to as "tracking mode".
  • the operation unit 31 transmits the tracking mode instruction information for instructing the tracking mode to the terminal control unit 35.
  • the terminal control unit 35 When the terminal control unit 35 receives the tracking mode instruction information, it determines that the tracking mode has been set by the user operation for the operation unit 31, and sets the execution of the tracking mode to the terminal control unit 35. In addition, there are two types of tracking modes, an individual tracking mode and a plurality of people tracking mode. Based on the tracking mode instruction information, the terminal control unit 35 determines whether the tracking mode set by the user operation is the individual tracking mode or the tracking mode of a plurality of people. When the tracking mode instruction information is not received, the terminal control unit 35 determines that the tracking mode is not set by the user operation on the operation unit 31. Further, after receiving the tracking mode instruction information once, the terminal control unit 35 states that the tracking mode is set by the user operation on the operation unit 31 until the tracking mode end information instructing the end of the tracking mode is received. judge.
  • step S210 the process returns to step S210 without being performed after step S240.
  • step S240 the terminal control unit 35 determines the target human body according to the type of the set tracking mode.
  • the target human body is a control that automatically blows air toward a user in the room in the tracking mode.
  • step S250 the terminal control unit 35 determines the target wind direction to be transmitted to the indoor unit 11 based on the area in the room where the determined target human body exists.
  • the target wind direction is a wind direction that blows air toward a user in the room in the tracking mode.
  • the terminal control unit 35 determines whether or not the specific part displayed in the thermal image is a human body based on the thermal image information acquired from the indoor unit 11.
  • the method for determining whether or not the specific portion displayed in the thermal image is a human body can be performed by a known method such as determination using a temperature threshold value, and is not particularly limited.
  • the human body detection region detected as a human body by the terminal control unit 35 by a known method is displayed so that the user can understand that it is a human body. Further, details of the method of determining the target human body in step S240 and the method of determining the target wind direction in step S250 will be described later.
  • step S260 the terminal control unit 35 transmits the information of the target human body determined in step S240 and the information of the target wind direction determined in step S250 to the indoor unit 11 via the terminal communication unit 33.
  • the terminal device 14 repeatedly controls the processes from step S210 to step S260 described above in a predetermined cycle.
  • the control cycle of the terminal device 14 at this time is not synchronized with the control cycle of the indoor unit 11.
  • the air conditioning control unit 24 of the indoor unit 11 receives information on the target wind direction from the terminal device 14, and controls the wind direction of the airflow blown into the room from the indoor unit 11 based on the information on the target wind direction. Each time the air conditioning control unit 24 receives information on the target wind direction from the terminal device 14, the air conditioning control unit 24 updates and controls the wind direction of the airflow blown into the room from the indoor unit 11. Therefore, when the tracking mode is set, the air conditioning control unit 24 can automatically control the wind direction based on the information of the target wind direction received from the terminal device 14.
  • FIG. 9 is a flowchart showing the operation of the terminal control unit 35 in the terminal device 14 of the air conditioning system 100 according to the first embodiment. The following processing is the processing performed in step S230.
  • step S310 the terminal control unit 35 determines whether or not the tracking mode instruction information has been received.
  • a tracking mode setting operation which is an operation for setting the tracking mode in the operation unit 31 of the terminal device 14
  • the operation unit 31 transmits the tracking mode instruction information instructing the setting of the tracking mode to the terminal control unit 35. do.
  • the operation unit 31 When the user performs a tracking mode setting operation, which is an operation for setting an individual tracking mode in the operation unit 31 of the terminal device 14, the operation unit 31 outputs the individual tracking mode instruction information for instructing the individual tracking mode to the terminal control unit. Send to 35.
  • the user targets the individual tracking mode in the human body detection area detected as the human body in the thermal image displayed on the display unit 32. Select one human body detection area. The user can select the human body detection area on the display unit 32 configured by the touch panel, for example.
  • the operation unit 31 transmits the information of one selected human body detection area to the terminal control unit 35 together with the personal tracking mode instruction information.
  • the information of one selected human body detection area is information for designating one target human body.
  • the user selects only one of the human body detection areas detected as a human body in the thermal image on the tracking mode setting screen displayed on the display unit 32, so that the individual tracking mode can be selected. It may be the tracking mode setting operation of.
  • the personal tracking mode instruction information and the information of one selected human body detection area are transmitted to the terminal control unit 35.
  • the operation unit 31 When the user performs a tracking mode setting operation, which is an operation of setting the tracking mode of a plurality of people in the operation unit 31 of the terminal device 14, the operation unit 31 outputs the tracking mode instruction information of a plurality of people instructing the tracking mode of the plurality of people. It is transmitted to the terminal control unit 35.
  • the user When the user performs the tracking mode setting operation of the tracking mode of a plurality of people, the user is in the tracking mode of a plurality of people among the plurality of human body detection areas detected as human bodies in the thermal image displayed on the display unit. Select multiple target human body detection areas.
  • the operation unit 31 transmits the information of the selected plurality of human body detection areas to the terminal control unit 35 together with the tracking mode instruction information of the plurality of people.
  • the information of the selected plurality of human body detection areas is the information for designating a plurality of target human bodies.
  • the user can track a plurality of people by selecting only a plurality of human body detection areas among the human body detection areas detected as human bodies in the thermal image on the tracking mode setting screen displayed on the display unit 32. It may be a mode tracking mode setting operation. In this case, by selecting a plurality of human body detection areas by the operation unit 31, the tracking mode instruction information of a plurality of people and the information of the selected plurality of human body detection areas are transmitted to the terminal control unit 35.
  • step S210 If it is determined that the tracking mode instruction information has not been received, the process returns to step S210. If it is determined that the tracking mode instruction information has been received, the process proceeds to step S320.
  • step S320 the terminal control unit 35 determines whether the tracking mode instructed in the tracking mode instruction information is an individual or a plurality of tracking modes. Specifically, the terminal control unit 35 determines whether the tracking mode shown in the tracking mode instruction information is the individual tracking mode or the tracking mode of a plurality of people.
  • the selection of "individual tracking mode” and “multiple person tracking mode” here is how many human bodies are selected in the acquired thermal image, and when only one person is selected.
  • the tracking mode is "individual tracking mode individual", and the tracking mode when two or more people are selected is “plural”.
  • the number of people selected is not particularly limited.
  • step S330 If it is determined that the tracking mode is an individual tracking mode, the process proceeds to step S330. If it is determined that the tracking mode is the tracking mode of a plurality of people, the process proceeds to step S240.
  • step S330 the terminal control unit 35 holds the average temperature of the selected target human body. Specifically, the terminal control unit 35 acquires the temperature of the selected target human body from the thermal image at a predetermined number of times when repeating the processes from step S210 to step S260, and the selected target human body. Calculate and store the average temperature of. That is, the average temperature of the selected target human body is the average temperature in a predetermined period. If it is determined in step S320 that the tracking mode is the tracking mode for a plurality of people, the process proceeds to step S240 without maintaining the average temperature of the selected target human body.
  • FIG. 10 is a flowchart showing a procedure for determining a target human body in the terminal device 14 of the air conditioning system 100 according to the first embodiment. The following processing is the processing performed in step S240.
  • step S410 the terminal control unit 35 calculates and holds the average temperature of the detected human body detected in the thermal image. Specifically, the terminal control unit 35 calculates and stores the average temperature of the detected human body, which is the human body detected in the acquired thermal image, in a predetermined period for each detected human body. That is, the terminal control unit 35 acquires, calculates, and stores the average temperature of the human body detection region detected in the acquired thermal image from the thermal image for each human body detection region. When repeating the process of the cycle from step S210 to step S260, the terminal control unit 35 acquires the temperature of the detected human body from the thermal image at a predetermined number of times, calculates the average temperature of the detected human body, and stores it. do.
  • the terminal control unit 35 may calculate the average temperature of the detected human body at a predetermined number of times from the cycle following the cycle in which the tracking mode instruction information is received, and is predetermined from the cycle in which the tracking mode instruction information is received.
  • the average temperature of the detected human body may be calculated based on the number of times.
  • step S420 the terminal control unit 35 determines whether the tracking mode instructed in the tracking mode instruction information is an individual or a plurality of tracking modes. Specifically, the terminal control unit 35 determines whether the tracking mode shown in the tracking mode instruction information is the individual tracking mode or the tracking mode of a plurality of people. The method of determining the target human body differs depending on whether the tracking mode instructed in the tracking mode instruction information is an individual or a plurality of tracking modes, as will be described later.
  • step S420 If it is determined that the tracking mode is an individual tracking mode, the process proceeds to step S420. If it is determined that the tracking mode is the tracking mode of a plurality of people, the process proceeds to step S440.
  • step S430 the terminal control unit 35 has the average temperature of the detected human body stored in step S410, and the average temperature in a predetermined period acquired from the thermal image is the average of the target human body held in step S330 described above.
  • the detected human body closest to the temperature is determined to be the target human body.
  • the target human body determined in step S430 is the human body selected by the user when the individual tracking mode is set. After that, the process proceeds to step S250.
  • step S440 the terminal control unit 35 determines what the operation mode of the air conditioner 10 is. Specifically, the terminal control unit 35 acquires information on the current operation mode of the air conditioner 10 from the air conditioner control unit 24 of the indoor unit 11.
  • the method for determining the target human body is further different depending on whether the operation mode of the air conditioner 10 is cooling or heating.
  • step S450 If it is determined that the operation mode of the air conditioner 10 is cooling, the process proceeds to step S450. If it is determined that the operation mode of the air conditioner 10 is heating, the process proceeds to step S460.
  • step S450 the terminal control unit 35 determines that the detected human body having the highest average temperature among the plurality of detected human bodies for which the average temperature has been calculated in the predetermined period in step S410 is the target human body.
  • the detected human body with the highest average temperature is considered to be the person who feels the hottest. After that, the process proceeds to step S250.
  • step S460 the terminal control unit 35 determines that the detected human body having the lowest average temperature in a predetermined period is the target human body among the plurality of detected human bodies whose average temperature was calculated in step S410.
  • the detected human body with the lowest average temperature is considered to be the person who feels the coldest. After that, the process proceeds to step S250.
  • FIG. 11 is a diagram showing a method of determining a target wind direction in the terminal device 14 of the air conditioning system 100 according to the first embodiment.
  • the terminal control unit 35 divides the wind direction division in the thermal image acquired from the indoor unit 11 and displayed on the display unit 32.
  • the determined target human body (1) and the determined target human body (2) are shown as the target human bodies, but here, the target human body (1) and the target human body (2) are 2 Not at the same time as the target human body. Since there is a difference in the target wind direction determination method between the target human body (1) and the target human body (2), the target human body (1) and the target human body (2) are shown as examples.
  • the target wind direction determination category is indicated by a combination of the categories in the vertical axis direction and the horizontal axis direction of the thermal image shown in FIG. 11, such as "aA" and "bC".
  • the determination category of the target wind direction for the target human body (1) is in the area of "aa”.
  • the determination category of the target wind direction is in the area of "cc”.
  • the terminal control unit 35 determines which area of the subdivided wind direction division area in which the target temperature zone of the target human body is further divided into nine divided wind direction division areas is present most. , Determine the target wind direction.
  • the target temperature zone of the target human body is the hatched region of the diagonal line in FIG.
  • the target wind direction is the divided wind direction category "b-A" because all the target temperature zones of the target human body are in the same divided wind direction category area. Will be.
  • the human body determined in step S240 is the target human body (2), there are the most four subdivided wind direction divisions among the target temperature zones of the target human body straddling the eight subdivided wind direction divisions.
  • the split wind direction category "c-C" is determined as the target wind direction.
  • the temperature information acquisition unit 21 of the indoor unit 11 generates temperature distribution information at a predetermined cycle and transmits it to the thermal image information acquisition unit 22. do. Further, the thermal image information acquisition unit 22 of the indoor unit 11 generates thermal image information at a predetermined cycle and transmits it to the air conditioning control unit 24 together with the current wind direction information. Further, since the air conditioning control unit 24 of the terminal device 14 receives the current wind direction information and the thermal image information in a predetermined cycle in step S210, the processes from step S210 to step S260 are predetermined. It is carried out in a cycle, and the determined target human body information and the target wind direction information are transmitted to the indoor unit 11.
  • the air conditioning control unit 24 of the indoor unit 11 controls the wind direction of the airflow blown into the room from the indoor unit 11 at a predetermined cycle toward the person determined as the target human body. Can be changed.
  • the air conditioning system 100 can automatically change the wind direction by analyzing the human body detection information of the thermal image information received from the indoor unit 11 at regular time intervals and performing temperature determination. Further, the air conditioning system 100 updates and shares the changed wind direction information between the indoor unit 11 and the terminal device 14, so that the user can always visually understand the changed wind direction information.
  • the wind direction can be automatically controlled appropriately based on the information of the human body detected in the thermal image, so that the user himself changes the wind direction every time the user moves the position of the room. It is possible to eliminate the annoyance of having to do so, and it is possible to improve the comfort and convenience of the user by air conditioning.
  • the configuration shown in the above embodiment is an example, and can be combined with another known technique, or a part of the configuration may be omitted or changed without departing from the gist. It is possible.

Abstract

L'invention concerne un climatiseur (10) comprenant une unité d'acquisition d'informations d'image thermique (22) qui acquiert des informations d'image thermique, qui sont des informations concernant une image thermique d'une distribution de température d'une température de surface à l'intérieur d'une pièce. Un dispositif terminal (14) comprend une unité de commande de terminal (36) qui définit, selon un cycle prédéterminé, une direction d'air cible, qui est une direction d'air dans laquelle de l'air est soufflé vers un utilisateur dans la pièce dans une commande de climatisation et transmet la direction d'air cible à une unité de commande de climatisation (24). L'unité de commande de terminal (36) affiche, sur la base des informations d'image thermique, l'image thermique et un corps humain détecté qui a été détecté dans l'image thermique sur une unité d'affichage (32) selon un cycle prédéterminé et définit, en tant que direction d'air cible, une direction d'air vers une zone dans l'image thermique dans laquelle le corps humain détecté sélectionné à partir du corps humain détecté affiché sur l'unité d'affichage est présent. L'unité de commande de climatisation (24) commande la direction d'air sur la base de la direction de l'air cible.
PCT/JP2020/048048 2020-12-22 2020-12-22 Système de climatisation WO2022137366A1 (fr)

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Citations (5)

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Publication number Priority date Publication date Assignee Title
JP2011257071A (ja) * 2010-06-09 2011-12-22 Mitsubishi Electric Corp 空気調和機
JP2015052425A (ja) * 2013-09-06 2015-03-19 日立アプライアンス株式会社 空気調和機
JP2015164844A (ja) * 2013-05-17 2015-09-17 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 制御装置、湿度算出方法、および、制御方法
JP2015215146A (ja) * 2014-05-13 2015-12-03 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 制御方法及び通信装置
WO2020188771A1 (fr) * 2019-03-19 2020-09-24 三菱電機株式会社 Climatiseur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011257071A (ja) * 2010-06-09 2011-12-22 Mitsubishi Electric Corp 空気調和機
JP2015164844A (ja) * 2013-05-17 2015-09-17 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 制御装置、湿度算出方法、および、制御方法
JP2015052425A (ja) * 2013-09-06 2015-03-19 日立アプライアンス株式会社 空気調和機
JP2015215146A (ja) * 2014-05-13 2015-12-03 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 制御方法及び通信装置
WO2020188771A1 (fr) * 2019-03-19 2020-09-24 三菱電機株式会社 Climatiseur

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