WO2024084648A1 - 空気調和機及び空気調和方法 - Google Patents

空気調和機及び空気調和方法 Download PDF

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Publication number
WO2024084648A1
WO2024084648A1 PCT/JP2022/039070 JP2022039070W WO2024084648A1 WO 2024084648 A1 WO2024084648 A1 WO 2024084648A1 JP 2022039070 W JP2022039070 W JP 2022039070W WO 2024084648 A1 WO2024084648 A1 WO 2024084648A1
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WIPO (PCT)
Prior art keywords
unit
user
air conditioning
preference
control unit
Prior art date
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Ceased
Application number
PCT/JP2022/039070
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English (en)
French (fr)
Japanese (ja)
Inventor
佳 曲
祥太郎 三輪
弘志 ▲廣▼▲崎▼
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to PCT/JP2022/039070 priority Critical patent/WO2024084648A1/ja
Priority to JP2023579033A priority patent/JP7551013B2/ja
Publication of WO2024084648A1 publication Critical patent/WO2024084648A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/64—Airborne particle content

Definitions

  • This disclosure relates to an air conditioner and an air conditioning method.
  • Patent Document 1 describes a technology that estimates a user's thermal sensation from the detection results of a vital sign measuring device, and controls the operation of an air conditioner to provide the user with a comfortable thermal sensation.
  • the conventional technology if the estimated thermal sensation is the same, the same control is performed on the air conditioner. However, even if the estimated thermal sensation is the same, each user has different preferences regarding air conditioning. Therefore, with the conventional technology, it is not possible to control air conditioning according to the preferences of a user who is actually in the space where air conditioning is performed.
  • one or more aspects of the present disclosure aim to make it possible to control air conditioning so as to improve the comfort of users in the space where air conditioning is performed.
  • An air conditioner is characterized by comprising an air conditioning unit that conditions the space in which a user is present according to a set value, a biometric information detection unit that detects biometric information of the user, and a control unit that determines the user's sense of comfort from the biometric information, identifies the user's preferences regarding the air conditioning from the sense of comfort, and controls the air conditioning according to the identified preferences.
  • An air conditioning method is characterized in that it conditions the space in which a user is present according to a set value, detects biometric information of the user, determines the user's sense of comfort from the biometric information, identifies the user's preferences regarding the air conditioning from the sense of comfort, and controls the air conditioning according to the identified preferences.
  • air conditioning can be controlled according to the air conditioning preferences of the user in the space where the air conditioning is being performed.
  • FIG. 1 is a block diagram illustrating a schematic configuration of an air conditioner according to first to fourth embodiments.
  • FIG. 2 is a block diagram illustrating a schematic configuration of a main part of an indoor unit according to the first embodiment.
  • FIG. 13 is a block diagram illustrating a schematic configuration of a control unit in the first and third embodiments.
  • 1A and 1B are block diagrams showing an example of a hardware configuration. 4 is a flowchart showing the operation of the air conditioner in the first embodiment.
  • FIG. 11 is a block diagram illustrating a schematic configuration of a main portion of an indoor unit according to a second embodiment.
  • FIG. 11 is a block diagram illustrating a schematic configuration of a control unit in a second embodiment.
  • FIG. 1 is a block diagram illustrating a schematic configuration of an air conditioner according to first to fourth embodiments.
  • FIG. 2 is a block diagram illustrating a schematic configuration of a main part of an indoor unit according to the first embodiment.
  • FIG. 13 is a block diagram
  • FIG. 11 is a block diagram illustrating a schematic configuration of a main portion of an indoor unit according to a third embodiment.
  • FIG. 13 is a block diagram illustrating a schematic configuration of a main portion of an indoor unit according to a fourth embodiment.
  • FIG. 13 is a block diagram illustrating a schematic configuration of a control unit in a fourth embodiment.
  • FIG. 1 is a block diagram showing a schematic configuration of an air conditioner 100 using a refrigeration cycle according to a first embodiment.
  • the air conditioner 100 includes an outdoor unit 101 installed outdoors, a remote controller 102, and an indoor unit 110 installed indoors.
  • the outdoor unit 101 performs the outdoor operation in the refrigeration cycle.
  • the outdoor unit 101 is equipped with an electric motor that generates a driving force to drive a specific part of the outdoor unit 101, a driving device that drives the electric motor, an outdoor air conditioning unit that is driven by the driving force generated by the electric motor and includes a compressor, a heat exchanger on the outdoor unit 101 side, and a blower on the outdoor unit 101 side, etc., and a communication unit that communicates with the indoor unit 110.
  • the remote controller 102 functions as an input receiving unit that receives input of various instructions. For example, the remote controller 102 receives an input to start operation of the air conditioner 100.
  • the indoor unit 110 includes a vital sign detection unit 111 , a first communication unit 112 , a second communication unit 113 , an environment detection unit 114 , an air conditioning unit 115 , and a control unit 116 .
  • the vital sign detection unit 111 is a biological information detection unit that detects vital signs as biological information that indicates the state of a human body.
  • the vital sign detection unit 111 detects the vital signs of a user who is in the space in which the indoor unit 110 is installed.
  • the vital sign detection unit 111 can be configured, for example, by a vital sign sensor such as a Doppler sensor.
  • the first communication unit 112 is a first communication I/F (Interface) that communicates with the outdoor unit 101 .
  • the second communication unit 113 is a second communication I/F that performs communication with the remote controller 102 .
  • the environment detection unit 114 detects physical quantities related to the environment in which the air conditioner 100 is installed.
  • the environment detection unit 114 detects the indoor temperature, which is the temperature of the space in which the indoor unit 110 is installed, in other words, the space in which the user is present.
  • the air conditioning unit 115 conditions the space in which the user is present. For example, the air conditioning unit 115 conditions the space in which the user is present according to a set value. The set value is set by the control unit 116. The air conditioning unit 115 conditions the space in which the user is present by controlling at least one of the temperature, humidity, and airflow. Specifically, the air conditioning unit 115 includes a heat exchanger on the indoor unit 110 side, a blower on the indoor unit 110 side, and an air deflector that changes the output direction of the air output from the blower.
  • the control unit 116 controls the processing in the indoor unit 110 .
  • the control unit 116 determines the user's sense of comfort from the vital signs, and identifies the user's preferences regarding air conditioning from the sense of comfort. Then, the control unit 116 controls the air conditioning in accordance with the identified preferences.
  • the control unit 116 identifies the user's preferences regarding air conditioning by gradually changing the setting values so as to improve the user's sense of comfort.
  • the control unit 116 changes the setting values from the initial values determined in advance in accordance with the operating status of the air conditioner 100, and identifies the user's preferences.
  • the operating status of the air conditioner 100 includes at least one of the indoor temperature, which is the temperature detected by the indoor unit 110, and the setting status of the air conditioner 100.
  • the setting status includes the set temperature set in the air conditioner 100, the set humidity set in the air conditioner 100, and the operating status such as dehumidification, cooling, or heating.
  • the operating status may also include the outside air temperature, which is the temperature detected by the outdoor unit 101.
  • control unit 116 controls the air conditioning unit 115 using a value determined in advance according to the identified preference as the set value.
  • the control unit 116 controls the airflow from the indoor unit 110.
  • the control unit 116 controls the airflow in accordance with the identified preference.
  • FIG. 3 is a block diagram showing a schematic configuration of the control unit 116.
  • the control unit 116 includes an environment determination unit 117 , an initial control unit 118 , a comfort determination unit 119 , a preference search unit 120 , and a preference determination unit 121 .
  • the environment identification unit 117 identifies physical quantities in the space in which the air conditioner 100 is installed.
  • the environment identification unit 117 identifies the indoor temperature, which is the temperature of the space in which the indoor unit 110 is installed, in other words, the space in which the user is present.
  • the environment identification unit 117 identifies the indoor temperature by acquiring the indoor temperature detected by the environment detection unit 114. The detected indoor temperature is provided to the initial control unit 118.
  • the initial control unit 118 sets initial values in the air conditioning unit 115 and causes the air conditioning unit 115 to perform air conditioning with those initial values. For example, the initial control unit 118 sets initial values in the air conditioning unit 115 when an instruction to start air conditioning such as dehumidification, cooling or heating is received from the remote controller 102, or when air conditioning is started by a timer or the like.
  • the comfort determination unit 119 determines the comfort of the user in the space in which the indoor unit 110 is installed from the vital signs detected by the vital sign detection unit 111.
  • the comfort level is the degree to which the user feels comfortable.
  • the comfort determination unit 119 may determine the user's comfort from the vital signs using a determination table as comfort determination information that associates vital signs with the user's comfort.
  • the comfort determination unit 119 may also determine the user's comfort from the vital signs using a function for calculating the user's comfort from the vital signs.
  • a determination table or function is determined in advance by conducting experiments, and is stored in a storage unit (not shown).
  • the preference search unit 120 searches for a setting value that can improve the sense of comfort determined by the comfort determination unit 119 by gradually changing the setting value from the initial value set by the initial control unit 118.
  • the preference search unit 120 may use an existing search algorithm to perform the search, such as continuing to change the setting value in a certain direction if changing the setting value in that direction increases the sense of comfort, and stopping changing the setting value in that direction if changing the setting value in that direction decreases the sense of comfort.
  • the preference search unit 120 provides the setting value at the time when the search termination condition is satisfied as the search result to the preference identification unit 121.
  • the setting value that is the search result is also called a preferred setting value.
  • the preference identification unit 121 causes the air conditioning unit 115 to operate based on the search results from the preference search unit 120, and identifies the air conditioning preferences of the user in the space in which the indoor unit 110 is installed, based on a combination of the operating status of the air conditioner 100 and the search results.
  • a preference table which is preference correspondence information that corresponds a combination of driving conditions and search results with a user's preferences regarding air conditioning, such as being sensitive to cold, being normal, or being sensitive to heat, is predefined, and the preference identification unit 121 uses the preference table to identify the preference.
  • the preferences are not limited to three, namely, sensitive to cold, normal, and sensitive to heat, and more preferences may be provided.
  • each of "sensitive to cold", “normal”, and “sensitive to heat” may include multiple preferences.
  • “sensitive to cold” may include preferences such as “very sensitive to cold”, “normal sensitive to cold”, and “slightly sensitive to cold”.
  • the preference identification unit 121 When the preference identification unit 121 identifies the user's preferences regarding air conditioning, it controls the air conditioning according to the identified preferences. For example, the user's preferences regarding air conditioning, the operating status of the air conditioner 100, and the air conditioning setting values are associated in advance, and when the operating status of the air conditioner 100 changes, the preference identification unit 121 controls the air conditioning unit 115 to provide air conditioning that corresponds to the user's preferences by using the setting values that correspond to the user's preferences and the changed operating status.
  • control unit 116 can be configured, for example, as shown in FIG. 4(A), with a memory 10 and a processor 11 such as a CPU (Central Processing Unit) that executes a program stored in the memory 10.
  • a program may be provided over a network, or may be provided by recording it on a recording medium. That is, such a program may be provided, for example, as a program product.
  • control unit 116 can be configured with a processing circuit 12 such as a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), or an FPGA (Field Programmable Gate Array), as shown in FIG. 4B.
  • a processing circuit 12 such as a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), or an FPGA (Field Programmable Gate Array), as shown in FIG. 4B.
  • the control unit 116 can be configured with processing circuitry.
  • the vital sign detection unit 111 and the comfort determination unit 119 can also be configured as a single sensor.
  • the control unit 116 excluding the comfort determination unit 119 can be configured as shown in FIG. 4(A) or (B).
  • FIG. 5 is a flowchart showing the operation of the air conditioner 100 in the first embodiment.
  • the control unit 116 starts operation of the air conditioning unit 115 in response to the instruction from the user (S11).
  • the initial control unit 118 sets initial values in the air conditioning unit 115 according to the instructions from the user (S12). As a result, the air conditioning unit 115 starts air conditioning the space in which the user is present according to the initial values.
  • the preference search unit 120 searches for setting values that the user feels comfortable with (S13). For example, the preference searching unit 120 may search for a setting value depending on whether or not changing the setting value set in the air conditioning unit 115 improves the sense of comfort determined by the comfort determining unit 119 .
  • the preference search unit 120 determines whether the end condition of the search is met (S14). If the end condition is met (Yes in S14), the process proceeds to step S15.
  • the preference identification unit 121 receives the search results from the preference search unit 120, and causes the air conditioning unit 115 to operate based on the search results, and identifies the air conditioning preferences of the user in the space in which the indoor unit 110 is installed, based on a combination of the operating status of the air conditioner 100 and the search results.
  • the air conditioner 100 can identify the user's preferences. This allows, for example, by associating the user's preferences with the operating status of the air conditioner 100 and the air conditioning settings, when the operating status of the air conditioner 100 changes, such as when the user changes the set temperature of the air conditioner 100, the air conditioning unit 115 can perform air conditioning at the setting value corresponding to that operating status and the user's preferences. This allows the air conditioner 100 to provide air conditioning according to the user's preferences.
  • an air conditioner 200 according to the second embodiment includes an outdoor unit 101 , a remote controller 102 , and an indoor unit 210 .
  • the outdoor unit 101 and the remote controller 102 of the air conditioner 200 according to the second embodiment are similar to the outdoor unit 101 and the remote controller 102 of the air conditioner 100 according to the first embodiment.
  • Fig. 6 is a block diagram showing a schematic configuration of a main part of an indoor unit 210 in embodiment 2. Only parts related to embodiment 2 are shown here.
  • the indoor unit 210 includes a vital sign detection unit 111 , a first communication unit 112 , a second communication unit 113 , an environment detection unit 114 , an air conditioning unit 115 , a control unit 216 , and a human body detection unit 240 .
  • the vital sign detection unit 111, the first communication unit 112, the second communication unit 113, the environment detection unit 114, and the air conditioning unit 115 of the indoor unit 210 in embodiment 2 are similar to the vital sign detection unit 111, the first communication unit 112, the second communication unit 113, the environment detection unit 114, and the air conditioning unit 115 of the indoor unit 110 in embodiment 1.
  • the human body detection unit 240 detects the human body of a user who is in the space in which the indoor unit 210 is installed.
  • the human body detection unit 240 can be realized by an infrared sensor that serves as a thermal image acquisition unit that acquires a thermal image of the space.
  • the human body detection unit 240 detects the user's body by acquiring a thermal image that shows the temperature distribution in the space.
  • the control unit 216 controls the processing in the indoor unit 210 .
  • the control unit 216 controls the air conditioning by the indoor unit 210 .
  • the control unit 216 determines the detected surface temperature of the human body, and changes the set value from a predetermined initial value corresponding to the surface temperature to identify the user's preference. For example, the control unit 216 gradually changes the set value so as to improve the user's comfort.
  • the initial value in the second embodiment is determined by a combination of the operating status of the air conditioner 200 and the detected surface temperature of the human body.
  • the operating status of the air conditioner 200 includes the object temperature, which is the temperature of the object around the user.
  • FIG. 7 is a block diagram showing a schematic configuration of the control unit 216.
  • the control unit 216 includes an environment determination unit 217 , an initial control unit 218 , a comfort determination unit 119 , a preference search unit 120 , a preference determination unit 121 , and a surface temperature determination unit 222 .
  • the comfort determination unit 119, the preference search unit 120, and the preference specification unit 121 of the control unit 216 in the second embodiment are similar to the comfort determination unit 119, the preference search unit 120, and the preference specification unit 121 of the control unit 116 in the first embodiment.
  • the environment determining unit 217 determines the indoor temperature and also determines the object temperature. For example, the environment determination unit 217 determines, from a thermal image acquired by the human body detection unit 240, the temperature of at least one of the wall and floor surrounding the human body included in the thermal image as the object temperature.
  • the surface temperature identification unit 222 identifies the surface temperature of the human body detected by the human body detection unit 240. For example, the surface temperature identification unit 222 identifies the surface temperature of the human body contained in the thermal image from the human body detection unit 240.
  • the initial control unit 218 sets an initial value in the air conditioning unit 115 and causes the air conditioning unit 115 to perform air conditioning with that initial value. For example, when the initial control unit 218 receives an instruction from the remote controller 102 to start air conditioning such as dehumidification, cooling or heating, or when air conditioning is started by a timer or the like, it sets an initial value in the air conditioning unit 115 based on the surface temperature identified by the surface temperature identification unit 222.
  • the initial control unit 218 sets the wind direction so that the wind is directed toward the user.
  • the initial control unit 218 sets the wind direction so that the wind is directed away from the user the lower the surface temperature.
  • the threshold here may be predetermined according to the operating status of the air conditioner 100.
  • the initial control unit 218 sets the wind direction so that the wind hits the user. And, in heating operation, if the identified surface temperature is equal to or higher than a predetermined threshold, the initial control unit 218 sets the wind direction so that the wind moves away from the user the higher the surface temperature.
  • the initial control unit 218 may change the airflow volume and the set temperature. For example, in cooling operation, when the identified surface temperature is higher than a predetermined threshold, the initial control unit 218 may set the air conditioning unit 115 to an initial value with a stronger airflow volume or a lower set temperature than the user's set value. In addition, in cooling operation, when the identified surface temperature is equal to or lower than a predetermined threshold, the initial control unit 218 may set the air conditioning unit 115 to an initial value with a weaker airflow volume or a higher set temperature than the user's set value.
  • the initial control unit 218 may set the air conditioning unit 115 to an initial value that is stronger in airflow or a higher set temperature than the user's setting. Also, in heating operation, when the identified surface temperature is equal to or higher than a predetermined threshold, the initial control unit 218 may set the air conditioning unit 115 to an initial value that is weaker in airflow or a lower set temperature than the user's setting.
  • the initial settings of the air conditioner 200 are determined based on the surface temperature of the user's body, so that the user can receive comfortable air conditioning from the initial operation of the air conditioner 200.
  • the search results of the preference search unit 120 can be obtained in a shorter period of time.
  • an air conditioner 300 according to the third embodiment includes an outdoor unit 101 , a remote controller 102 , and an indoor unit 310 .
  • the outdoor unit 101 and the remote controller 102 of the air conditioner 300 according to the third embodiment are similar to the outdoor unit 101 and the remote controller 102 of the air conditioner 100 according to the first embodiment.
  • Fig. 8 is a block diagram showing a schematic configuration of a main part of an indoor unit 310 in embodiment 3. Only parts related to embodiment 3 are shown here.
  • the indoor unit 310 includes a vital sign detection unit 111 , a first communication unit 112 , a second communication unit 113 , an environment detection unit 114 , an air conditioning unit 115 , a control unit 316 , and a memory unit 341 .
  • the vital sign detection unit 111, the first communication unit 112, the second communication unit 113, the environment detection unit 114, and the air conditioning unit 115 of the indoor unit 310 in embodiment 3 are similar to the vital sign detection unit 111, the first communication unit 112, the second communication unit 113, the environment detection unit 114, and the air conditioning unit 115 of the indoor unit 110 in embodiment 1.
  • the storage unit 341 stores the user preferences previously identified by the control unit 316 . In other words, the storage unit 341 stores the user's preferences regarding air conditioning that were previously identified as reference preferences.
  • the control unit 316 controls the processing in the indoor unit 310 .
  • the control unit 316 controls the air conditioning of the space in which the indoor unit 310 is installed.
  • the control unit 316 specifies the user's preferences regarding air conditioning by changing the setting values from the initial values that are predetermined in accordance with the reference preferences stored in the storage unit 341. For example, the control unit 316 gradually changes the setting values so as to improve the user's sense of comfort. Then, the control unit 316 updates the reference preferences stored in the storage unit 341 with the preferences specified in this manner.
  • the control unit 316 includes an environment determination unit 117 , an initial control unit 318 , a comfort determination unit 119 , a preference search unit 120 , and a preference identification unit 121 .
  • the environment determination unit 117, comfort determination unit 119, preference search unit 120, and preference identification unit 121 of the control unit 316 in embodiment 3 are similar to the environment determination unit 117, comfort determination unit 119, preference search unit 120, and preference identification unit 121 of the control unit 116 in embodiment 1.
  • the initial control unit 318 sets initial values in the air conditioning unit 115, and the air conditioning is performed by the air conditioning unit 115 using those initial values. For example, when the initial control unit 318 receives an instruction from the remote controller 102 to start air conditioning such as dehumidification, cooling or heating, or when air conditioning is started by a timer or the like, it sets initial values in the air conditioning unit 115 based on preferences stored in the memory unit 341.
  • the operating status of the air conditioner 300, the user's preferences, and the setting values are associated in advance, and the initial control unit 318 identifies the setting value corresponding to the preference stored in the memory unit 341 according to the operating status of the air conditioner 300, and sets the identified setting value as the initial value in the air conditioning unit 115.
  • the storage unit 341 described above can be realized using volatile or non-volatile memory.
  • the initial settings of the air conditioner 300 are determined based on the user's preferences identified in the past, so that the user can receive comfortable air conditioning from the initial operation of the air conditioner 300.
  • the search results of the preference search unit 120 can be obtained in a shorter period of time.
  • an air conditioner 400 according to the fourth embodiment includes an outdoor unit 101 , a remote controller 102 , and an indoor unit 410 .
  • the outdoor unit 101 and the remote controller 102 of the air conditioner 400 according to the fourth embodiment are similar to the outdoor unit 101 and the remote controller 102 of the air conditioner 100 according to the first embodiment.
  • Fig. 9 is a block diagram showing a schematic configuration of a main part of an indoor unit 410 in embodiment 4. Only parts related to embodiment 4 are shown here.
  • the indoor unit 410 includes a vital sign detection unit 111 , a first communication unit 112 , a second communication unit 113 , an environment detection unit 114 , an air conditioning unit 115 , a control unit 416 , and a memory unit 441 .
  • the vital sign detection unit 111, the first communication unit 112, the second communication unit 113, the environment detection unit 114, and the air conditioning unit 115 of the indoor unit 410 in embodiment 4 are similar to the vital sign detection unit 111, the first communication unit 112, the second communication unit 113, the environment detection unit 114, and the air conditioning unit 115 of the indoor unit 110 in embodiment 1.
  • the storage unit 441 stores preferences for each user previously identified by the control unit 416. In other words, the storage unit 441 stores preferences related to air conditioning for each user previously identified as reference preferences. Specifically, the storage unit 441 stores a preference table as preference information that associates a user with the reference preference of the user.
  • the control unit 416 controls the processing in the indoor unit 410 .
  • the control unit 416 controls the air conditioning of the space in which the indoor unit 410 is installed.
  • the control unit 416 also identifies the reference preferences of the authenticated user from the preference table stored in the storage unit 441, and changes the setting values from the initial values determined in advance in accordance with the identified reference preferences to identify the user's preferences regarding air conditioning. For example, the control unit 416 gradually changes the setting values so as to improve the user's sense of comfort.
  • the control unit 416 then updates the corresponding reference preferences stored in the storage unit 441 with the preferences identified in this manner.
  • FIG. 10 is a block diagram showing a schematic configuration of the control unit 416.
  • the control unit 416 includes an environment determination unit 117 , an initial control unit 418 , a comfort determination unit 119 , a preference search unit 120 , a preference identification unit 121 , and an authentication unit 423 .
  • the environment determination unit 117, the comfort determination unit 119, the preference search unit 120, and the preference identification unit 121 of the control unit 416 in embodiment 4 are similar to the environment determination unit 117, the comfort determination unit 119, the preference search unit 120, and the preference identification unit 121 of the control unit 116 in embodiment 1.
  • the authentication unit 423 authenticates the user who uses the air conditioner 400.
  • the authentication unit 423 may perform authentication by acquiring user identification information, which is identification information for identifying the user, from the remote controller 102 via the second communication unit 113.
  • the user identification information may be a user ID or biometric information such as a fingerprint of the user.
  • the authentication unit 423 may obtain a thermal image from the environment detection unit 114 and perform authentication of the user based on the thermal image.
  • the authentication unit 423 provides the user identification information of the authenticated user to the initial control unit 418 .
  • the initial control unit 418 sets initial values in the air conditioning unit 115, and the air conditioning is performed by the air conditioning unit 115 with the initial values. For example, when the initial control unit 418 receives an instruction from the remote controller 102 to start air conditioning such as dehumidification, cooling or heating, or when air conditioning is started by a timer or the like, it sets initial values in the air conditioning unit 115 based on the reference preferences stored in the memory unit 341.
  • the initial control unit 418 identifies the reference preferences associated with the user identified by the user identification information from the authentication unit 423 by referring to the preference table stored in the storage unit 441 .
  • the operating status of the air conditioner 400, the user's reference preferences, and setting values are associated in advance, and the initial control unit 418 identifies a setting value that corresponds to the identified reference preferences according to the operating status of the air conditioner 400, and sets the identified setting value as an initial value in the air conditioning unit 115.
  • the storage unit 441 described above can be realized using volatile or non-volatile memory.
  • the initial settings of the air conditioner 400 are determined based on the preferences of each user that were previously identified, so that the user can receive comfortable air conditioning from the initial operation of the air conditioner 400.
  • the search results of the preference search unit 120 can be obtained in a shorter period of time.
  • the airflow is controlled by the control units 116 to 416 provided in the indoor units 110 to 410, but embodiments 1 to 4 are not limited to such examples.
  • the airflow may be controlled by a control unit provided in the outdoor unit 101.
  • control units 116 to 416 control the air conditioning unit 115 to identify the user's preferences based on the user's sense of comfort.
  • the control units 116 to 416 can control only the airflow generating unit (not shown) included in the air conditioning unit 115 to control the airflow from the indoor units 110 to 410, identify the user's preferences based on the user's sense of comfort, and control the airflow according to the identified preferences.
  • the user's preferences can be identified based on the user's sense of comfort without changing the set temperature and set humidity.
  • the airflow generating unit is a functional unit composed of the blower and air direction plate of the indoor units 110, 210, and 310.
  • the airflow is controlled by the wind direction and air volume.
  • Air conditioner 101 Outdoor unit, 102 Remote controller, 110, 210, 310, 410 Indoor unit, 111 Vital sign detection unit, 112 First communication unit, 113 Second communication unit, 115 Air conditioning unit, 116, 216, 316, 416 Control unit, 118, 218, 318, 418 Initial control unit, 119 Comfort judgment unit, 120 Preference search unit, 121 Preference identification unit, 222 Surface temperature identification unit, 423 Authentication unit, 240 Human body detection unit, 341, 441 Memory unit.

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PCT/JP2022/039070 2022-10-20 2022-10-20 空気調和機及び空気調和方法 Ceased WO2024084648A1 (ja)

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