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WO2018069961A1 - Appareil de climatisation - Google Patents

Appareil de climatisation Download PDF

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Publication number
WO2018069961A1
WO2018069961A1 PCT/JP2016/080112 JP2016080112W WO2018069961A1 WO 2018069961 A1 WO2018069961 A1 WO 2018069961A1 JP 2016080112 W JP2016080112 W JP 2016080112W WO 2018069961 A1 WO2018069961 A1 WO 2018069961A1
Authority
WO
WIPO (PCT)
Prior art keywords
human body
temperature
air
age group
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2016/080112
Other languages
English (en)
Japanese (ja)
Inventor
真理 折戸
古橋　拓也
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
Priority to PCT/JP2016/080112 priority Critical patent/WO2018069961A1/fr
Priority to EP16918648.3A priority patent/EP3527904B1/fr
Priority to CN201680089126.8A priority patent/CN109790993B/zh
Priority to JP2018544593A priority patent/JP6658907B2/ja
Publication of WO2018069961A1 publication Critical patent/WO2018069961A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • F24F11/70—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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • F24F2120/12—Position of occupants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/10—Pressure
    • F24F2140/12—Heat-exchange fluid pressure

Definitions

  • This invention relates to an air conditioner.
  • an air conditioner equipped with a situation recognition device which has an air conditioning control unit that realizes air conditioning control based on the situation recognition result identified by the situation recognition means is known.
  • a foot position detecting means for detecting the foot position of the person and a head position detecting means for detecting the head position of the person are provided, and the foot position information obtained by the foot position detecting means and the head
  • a device using height estimation means for detecting the height of a person using head position information obtained by the part position detection means is known (for example, see Patent Document 1).
  • the conventional air conditioner disclosed in Patent Document 1 performs air conditioning control based on the result estimated by the height estimating means, for example, for a child with a short height, the wind from the air conditioner is It is possible not to directly apply air conditioning with a weak air flow, but to directly apply the air from the air conditioner to an adult with a sufficiently high height to perform air conditioning with a strong air flow.
  • the purpose of the air conditioner is to be able to achieve appropriate conditioned air blowing according to the age group of the user, and thus improve the comfort of the user, regardless of the height of the user. Is to provide.
  • the housing formed with the suction port and the air outlet, and the air that is provided inside the housing and exchanges heat with the air sucked from the suction port to generate conditioned air.
  • a heat exchanger and a blower mechanism that is provided in the housing and generates an air flow that sucks air from the suction port and blows out conditioned air from the blower outlet, and can change a wind direction of the conditioned air blown out from the blower outlet;
  • a temperature detecting means for detecting a surface temperature within a preset detection range; and a control device for controlling the air blowing mechanism in accordance with a detection result of the temperature detecting means, the temperature detecting means detecting
  • the wind direction of the conditioned air is set to the direction of the human body, and the wind direction of the conditioned air is maintained in the direction of the human body until the surface temperature of the human body reaches a reference temperature.
  • the reference temperature is configured to be set in accordance with the variation of the human
  • the air-conditioning apparatus it is possible to realize appropriate conditioned air blowing according to the age group of the user without being influenced by the height of the user, and thus improve the user's comfort. There is an effect that can be.
  • FIG. 1 to 10 relate to Embodiment 1 of the present invention.
  • FIG. 1 is an external perspective view of an air conditioner
  • FIG. 2 is a longitudinal sectional view of the air conditioner
  • FIG. 3 is a human body included in the air conditioner.
  • FIG. 4 is a diagram illustrating the detection range of the human body sensor in the depth direction of the air conditioning apparatus
  • FIG. 5 is a diagram illustrating the detection range of the human body sensor in the horizontal direction of the air conditioning apparatus
  • FIG. 6 is a block diagram showing the configuration of the control system of the air conditioner
  • FIG. 7 is a block diagram showing the functional configuration of the control device of the air conditioner
  • FIG. 8 is a graph showing the foot temperature of the human body during the heating operation of the air conditioner.
  • FIG. 1 is an external perspective view of an air conditioner
  • FIG. 2 is a longitudinal sectional view of the air conditioner
  • FIG. 3 is a human body included in the air conditioner.
  • FIG. 4 is a diagram illustrating the detection range of the human body sensor in
  • FIG. 9 is a diagram showing an example of a change with time
  • FIG. 9 is a diagram showing an example of a change with time of the head temperature of the human body during the heating operation of the air conditioner
  • FIG. 10 is a flowchart showing the air flow control during the heating operation of the air conditioner It is.
  • the air conditioner 100 according to Embodiment 1 of the present invention is, for example, an indoor unit of an air conditioner. Therefore, the air conditioning apparatus 100 is installed on an indoor wall surface or ceiling surface. Here, it is assumed that the air conditioner 100 is installed on an indoor wall surface.
  • the air conditioner 100 includes a housing 110.
  • the casing 110 of the air conditioner 100 is formed in a substantially rectangular parallelepiped shape that is horizontally long and has a smooth curved surface from the front surface to the lower surface.
  • a suction port 111 is formed on the upper surface of the housing 110.
  • the suction port 111 is an opening for taking air into the housing 110 from the outside.
  • An air outlet 112 is formed in the lower front portion of the housing 110.
  • the air outlet 112 is an opening for discharging air from the inside of the housing 110 to the outside.
  • the front upper portion of the housing 110 is covered with a front panel 113.
  • the upper and lower wind direction plates 131, 132, 141, 142 are provided at the air outlet 112. These up-and-down wind direction plates are for adjusting the blowing angle in the vertical direction of the air blown out from the blow-out port 112.
  • the up-and-down wind direction plates are respectively installed on the front side and the back side toward the front of the air conditioner 100. Further, the up and down wind direction plates on the near side and the far side are respectively divided into left and right. That is, the front side vertical wind direction plate is divided into a left front side vertical wind direction plate 131 on the left side and a right front side vertical wind direction plate 132 on the right side facing the front of the air conditioner 100. Further, the back side up / down wind direction plate is divided into a left back side up / down wind direction plate 141 and a right back side up / down wind direction plate 142 facing the front of the air conditioner 100.
  • each vertical wind direction plate is divided into right and left is approximately the center in the longitudinal direction (left and right direction of the air outlet 112) toward the front of the air conditioner 100.
  • a slight gap is formed between the left front side vertical wind direction plate 131 and the right front side vertical wind direction plate 132.
  • a slight gap is also formed between the left back side vertical wind direction plate 141 and the right back side vertical wind direction plate 142.
  • the left front side vertical wind direction plate 131, the right front side vertical wind direction plate 132, the left back side vertical wind direction plate 141, and the right back side vertical wind direction plate 142 are plate-like members that are elongated in the left and right direction of the air outlet 112, respectively. Further, these up-and-down wind direction plates 131, 132, 141, 142 are each curved so that a cross section perpendicular to the longitudinal direction is arcuate.
  • the vertical wind direction plates 131, 132, 141, 142 are each attached to the housing 110 via support arms (not shown). Each support arm is rotatably attached to the housing 110. Each support arm rotates with respect to the housing 110 so that the direction of the vertical wind direction plate can be changed. And the air conditioning apparatus 100 can change the ventilation direction up and down by changing the direction of an up-and-down wind direction board.
  • Each support arm of the vertical wind direction plate is provided so that the angle can be adjusted by driving the stepping motor for the vertical wind direction plate.
  • the directions of the left front side vertical wind direction plate 131 and the left back side vertical wind direction plate 141 are changed by the left vertical wind direction plate stepping motor 161 here.
  • the directions of the right front side vertical wind direction plate 132 and the right back side vertical wind direction plate 142 are changed by the stepping motor 162 for the right vertical wind direction plate.
  • the vertical blowing angle (air blowing direction) of the air blown from the left side of the air outlet 112 and the vertical blowing angle (air blowing direction) of the air blown from the right side of the air outlet 112 are adjusted separately. be able to.
  • the left-side up / down wind direction plate stepping motor 161 and the right-side up / down wind direction plate stepping motor 162 are not shown in FIGS. 1 and 2.
  • Left and right wind direction plates 150 are provided on the back side of the up and down wind direction plates 131, 132, 141, and 142 at the air outlet 112.
  • the left and right wind direction plates 150 are for adjusting the blowing angle in the left and right direction of the air blown from the blower outlet 112.
  • the left and right wind direction plates 150 are configured by a plurality of plates arranged in the longitudinal direction (left and right direction of the air outlet 112) toward the front of the air conditioner 100.
  • the left and right wind direction plates 150 are attached so that the angle can be adjusted by driving a stepping motor 163 for left and right wind direction plates (not shown in FIGS. 1 and 2), similarly to the upper and lower wind direction plates 131, 132, 141, 142. Yes.
  • a heat exchanger 121 is installed on the leeward side of the suction port 111 in the air passage.
  • the heat exchanger 121 exchanges heat with the air flowing through the air passage to heat or cool the air flowing through the air passage. Whether the air is heated or cooled depends on whether the air-conditioning apparatus 100 is in a heating operation or a cooling operation. Specifically, the heat exchanger 121 heats the air during the heating operation. On the other hand, the heat exchanger 121 cools the air during the cooling operation.
  • the heat exchanger 121 adjusts the temperature, humidity, and the like of the air by heating or cooling the air flowing through the air passage, and generates conditioned air. In this way, the heat exchanger 121 exchanges heat with the air sucked from the suction port 111 to generate conditioned air. Note that warm air is generated as conditioned air during heating operation, and cold air is generated as conditioned air during cooling operation.
  • a blower fan 122 is installed on the leeward side of the heat exchanger 121 in the air path.
  • the blower fan 122 is for generating an air flow from the inlet 111 to the outlet 112 in the air passage.
  • the blower fan 122, the up / down wind direction plates 131, 132, 141, 142, the left / right wind direction plate 150, the up / down wind direction plate stepping motors 161, 162, and the left / right wind direction plate stepping motor 163 are provided in a blower mechanism provided in the housing 110. Is configured.
  • the air blowing mechanism configured as described above can generate an air flow that sucks air from the suction port 111 and blows out conditioned air from the blower outlet 112, and can change the wind direction of the conditioned air blown from the blower outlet 112.
  • a human body sensor 170 is attached to the center of the front surface of the air conditioner 100.
  • the mounting position of the human body sensor 170 is not limited to the center of the front surface of the air conditioning apparatus 100.
  • the human body sensor 170 may be attached to the left or right end of the housing 110.
  • the human body sensor 170 includes, for example, a plurality of infrared sensors (light receiving elements) arranged in the vertical direction.
  • the human body sensor 170 includes, for example, eight infrared sensors (light receiving elements).
  • Each of these eight infrared sensors is a detection element that can individually perform infrared light reception and temperature detection.
  • these infrared sensors (light receiving elements) are arranged in a straight line in the vertical direction inside a cylindrical metal can 171. Accordingly, the human body sensor 170 has a function of detecting the room temperature by dividing it into eight areas having different heights.
  • the detection ranges of these eight infrared sensors are set as rectangular areas having the same size as shown in FIG.
  • the light distribution viewing angle of one infrared sensor is set such that, for example, the vertical light distribution viewing angle in the vertical direction is set to 7 °, and the horizontal light distribution viewing angle in the horizontal direction is set to 8 °.
  • the light distribution viewing angle 173 of the whole human body sensor 170 that combines the light distribution viewing angles of the respective infrared sensors is set as an elongated area in the vertical direction.
  • the light distribution viewing angle (detection range) of each infrared sensor does not need to have the same shape and the same size.
  • specific values of the vertical light distribution viewing angle and the horizontal light distribution viewing angle are not limited to the above-described examples.
  • the number of infrared sensors (light receiving elements) is not limited to eight, and the human body sensor 170 includes an arbitrary number of infrared sensors (light receiving elements) of 7 or less or 9 or more. Also good.
  • the human body sensor 170 can change the direction of a plurality of infrared sensors arranged vertically by a sensor stepping motor 172 (not shown in FIGS. 1 and 2) to the left and right within a preset angle range. By doing in this way, each of the plurality of infrared sensors arranged vertically is scanned in the left-right direction, and within a preset detection range (hereinafter referred to as “temperature detection target range”) in front of the air conditioner 100. The surface temperature can be detected.
  • the human body sensor 170 scans the temperature detection target range and acquires the surface temperature distribution (thermal image) in the range without contact. That is, the human body sensor 170 constitutes temperature detecting means for detecting a surface temperature within a preset detection range.
  • the detection result of the human body sensor 170 that is, the surface temperature distribution (thermal image) data acquired by the human body sensor 170 is processed by the control device 180 or the like to include a person in the room from a temperature difference with the background, for example.
  • the presence / absence and position of the heat source, the surface temperature of the human body, the body part of the human body (exposed and unexposed portions of the skin, head, etc.), etc. can be detected.
  • the temperature of the human body in the room can also be obtained.
  • the human body with exposed skin is more likely to detect the sensible temperature.
  • the detection accuracy of the human body sensor 170 increases as the number of pixels of the light receiving element used in the human body sensor 170 increases. Specifically, for example, if a light receiving element having 30 or more pixels is used, the position of a person in the room and the distance from the human body sensor 170 to the person can be accurately detected.
  • the human body sensor 170 detects the temperature of the temperature detection target while scanning the temperature detection target range left and right.
  • the left and right are the left and right when viewed from the air conditioner 100 side.
  • the direction of the human body sensor 170 is moved left and right by the sensor stepping motor 172, and the rotation of the sensor stepping motor 172 (that is, the human body sensor).
  • (Rotation in the direction of 170) is stopped for a certain time at every certain angle.
  • the fixed angle at this time is set to 1 to 5 °, for example. Further, the fixed time at this time is, for example, 0.1 to 0.2 seconds.
  • the change of the orientation of the human body sensor 170 is stopped, it waits for a time shorter than the predetermined time (0.1 to 0.2 seconds), and the detection results (thermal results) of the 8 human body sensors 170 are detected.
  • Image data may be a time shorter than the predetermined time (0.1 to 0.2 seconds), and the detection results (thermal results) of the 8 human body sensors 170 are
  • the sensor stepping motor 172 is rotated again by the predetermined angle and stopped again, and the detection result (thermal image data) of the human body sensor 170 is acquired by the same operation.
  • the detection results of the human body sensor 170 are obtained at, for example, 90 to 100 locations in the left-right direction within the detection range.
  • the thermal image data (temperature distribution data) of the temperature detection target range can be obtained from the acquired detection result of the human body sensor 170.
  • FIG. 4 is a diagram for explaining the detection range of the human body sensor 170 in the depth direction as viewed from the air conditioning apparatus 100.
  • This FIG. 4 has shown the state which looked at the room
  • the air conditioner 100 is installed at a height of about 1800 mm, and the state where the distance from the air conditioner 100 to the human body is about 3600 mm is illustrated.
  • the detection range of the human body sensor 170 is divided into a plurality of regions equal to the number of infrared sensors (light receiving elements) (here, 8) in the depth direction. That is, the indoor space is divided into eight regions corresponding to the light distribution viewing angles of the respective light receiving elements in the depth direction. The width of each divided area is set according to the vertical spread angle of the light distribution viewing angle.
  • the lowermost light receiving element of the human body sensor 170 detects the human body in the area on the near side closest to the air conditioner 100.
  • the light receiving element on the upper side of the human body sensor 170 is configured to detect a human body in a far region.
  • FIG. 5 is a diagram for explaining the detection range of the human body sensor 170 in the left-right direction as viewed from the air conditioning apparatus 100.
  • This FIG. 5 has shown the state which looked at the room
  • the detection range of the human body sensor 170 is divided into a plurality of regions with respect to the predetermined angle when the human body sensor 170 is rotated by the sensor stepping motor 172 in the left-right direction.
  • FIG. 5 illustrates a case where the detection range in the left-right direction of the human body sensor 170 is set to about 90 °.
  • the detection range in the left-right direction of the human body sensor 170 is not limited to this angle.
  • the human body sensor 170 can be completely rotated by the sensor stepping motor 172, and the detection range is set to 360 °. May be.
  • the human body sensor 170 may be swung in the vertical direction by another stepping motor or the like. By making the orientation of the human body sensor 170 changeable in the vertical direction, detailed thermal image data can be acquired not only in the horizontal direction but also in the vertical direction.
  • the human body sensor 170 may be configured to use an infrared sensor and another detection device in combination.
  • the position, shape, and distance to the human body may be detected using a camera, an ultrasonic sensor, or the like. That is, as the human body sensor 170, in addition to the infrared sensor, for example, an ultrasonic sensor capable of detecting an object may be further provided. By doing in this way, the detection accuracy of the position and distance of the human body by the human body sensor 170 can be improved. Or it is good also as a structure which detects the position of the human body in the depth direction (front-back direction) seen from the air conditioning apparatus 100 using the pyroelectric sensor using a Fresnel lens.
  • the air conditioning apparatus 100 includes a control device 180 and an operation display unit 190.
  • the control device 180 is configured by an electric circuit including, for example, a microcomputer.
  • the control device 180 includes a processor 181 and a memory 182.
  • the memory 182 stores a control program.
  • the processor 181 reads and executes a program stored in the memory 182.
  • the control device 180 executes a preset process to control the operation of the air conditioner 100.
  • the processor 181 executes the program stored in the memory 182 to realize the functions of the human body detection unit 183, the region specifying unit 184, the age group determination unit 186, and the air blow control unit 187, which will be described later.
  • a sensor system including a human body sensor 170 and the like is connected to the input side of the control device 180.
  • various actuators including a blower fan 122, a stepping motor 161 for the left and right wind direction plate, a stepping motor 162 for the right and left wind direction plate, a stepping motor 163 for the left and right wind direction plate, and a sensor stepping motor 172. Is connected.
  • the operation display unit 190 is used for the user to input various setting values and also displays various information to the user.
  • the operation display unit 190 is, for example, a remote controller (remote controller).
  • the operation display unit 190 is connected to the control device 180 so as to be able to communicate with each other.
  • the user can perform power ON / OFF, switching between heating operation and cooling operation, setting of temperature, wind direction, air volume, and the like.
  • the operation display unit 190 includes, for example, a liquid crystal display that displays various types of information. On the liquid crystal display of the operation display unit, for example, setting contents such as an operation mode, temperature, wind direction, and air volume are displayed.
  • the control device 180 drives each actuator based on the input from the sensor system and the operation display unit 190, and controls the operation of the air conditioner 100.
  • the control executed by the control device 180 includes, for example, control such as cooling operation, heating operation, air blowing operation, and scanning operation of the human body sensor 170. That is, the control device 180 performs control of the air blowing mechanism according to the detection result of the human body sensor 170 which is a temperature detection unit, for example.
  • the control device 180 includes a human body detection unit 183, a part specification unit 184, a temperature storage unit 185, an age group determination unit 186, and a ventilation control unit 187.
  • the human body detection unit 183 detects a human body existing within the temperature detection target range of the human body sensor 170 based on the detection result of the human body sensor 170 which is a temperature detection unit.
  • the human body can be detected using, for example, the shape, distribution (relative positional relationship), area, and the like of each region where the surface temperature detected by the human body sensor 170 is equal to or higher than a preset reference temperature.
  • the reference temperature at this time is specifically set to, for example, 30 ° C. in consideration of the human body temperature.
  • the part specifying unit 184 specifies the determination part of the human body detected by the human body detecting unit 183.
  • the determination part is a part of the human body that is used by the age group determination unit 186 to determine the age group of the human body. Which part of the human body is determined as the determination part is specified in advance.
  • the determination part may be specified by first specifying the entire shape of the human body, and then specifying the determination part from the entire shape of the human body, or specifying the determination part directly. .
  • the part specifying unit 184 When specifying the entire shape of the human body, the part specifying unit 184 first specifies a region where the human body detected by the human body detecting unit 183 exists.
  • the region where the human body exists can be specified using, for example, the shape, distribution (relative positional relationship), area, and relative magnitude relationship of the temperature of each region where the surface temperature is equal to or higher than a certain temperature.
  • region will also be specified, ie, the shape of a human body can be specified.
  • the part specifying unit 184 may specify the entire area where the human body exists, or the area where the human body exists may be individually specified for each part of the human body. You may specify. In the case of individually specifying the region existing for each part of the human body, the part specifying unit 184, for example, for each part of the human head, chest, arm, upper leg, lower leg, hand and foot, Each of the areas where the Here, the “hand” refers to a portion on the tip side of the wrist. Further, the “foot” here refers to a portion on the tip side of the ankle.
  • the part specifying unit 184 particularly sets a part where the surface temperature detected by the human body sensor 170 is equal to or higher than a preset temperature as a region where at least one of the head, chest, and abdomen of the human body exists. It may be specified. Moreover, when specifying the region where each part of the human body exists, the part specifying unit 184 may specify the temperature, position, and clothing state of each part.
  • the “clothing state” is a state relating to whether the skin of the part is covered with clothes or the like or exposed.
  • the part specifying unit 184 determines whether the human body is based on the detection result of the infrared sensor and the detection result of the ultrasonic sensor. It is preferable to identify the region where the detected human body exists.
  • the uppermost light receiving element detects the head of the human body.
  • the head is exposed and the skin temperature is higher than other parts of the human body, for example, a skin temperature of 30 ° C. or higher. Therefore, the part specifying unit 184 can identify the region to which the head of the human body belongs based on the thermal image data acquired by the human body sensor 170. More specifically, the part specifying unit 184 analyzes thermal image data acquired by the uppermost light receiving element by scanning in the horizontal direction. And when the shape of the heat source whose detected temperature is 30 ° C. or more in the horizontal direction matches the shape of the human head that is stored in advance (for example, a circular shape), this heat source is specified as the head.
  • the second light receiving element from the top detects the chest and arms of the human body.
  • the chest is almost always covered with clothes and the skin is rarely exposed.
  • the arm portion may or may not be exposed to the skin.
  • the part specifying unit 184 can determine whether or not the arm part is exposed based on the surface temperature detected by the human body sensor 170. Specifically, when the skin of the arm portion is exposed, a skin temperature equivalent to or slightly lower than that of the head is detected at a position corresponding to the arm portion. This is because the arm may be cooler than the head, and in this case, the temperature of the arm is detected as a temperature lower than the head.
  • the third light receiving element from the top detects the upper leg of the human body.
  • the upper leg is covered with clothes.
  • the surface temperature of clothes is detected at a position corresponding to the upper leg.
  • the surface temperature of the garment is lower than the temperature of the skin.
  • a temperature equal to or lower than that of the head is detected at the position of the hand.
  • the hand may be colder than the head. In this case, a temperature lower than that of the head is detected at the position of the hand.
  • the fourth light receiving element from the top detects the lower leg of the human body.
  • the human body wears clothing such as socks
  • the surface temperature of the clothing is detected at the position of the lower leg.
  • the feet are cold, a temperature lower than the surface temperature of the clothing is detected at a position corresponding to the lower leg regardless of whether or not the clothing is worn.
  • the part specifying unit 184 determines the shape of the region above a certain temperature in advance. By comparing and comparing the shape of each part stored with each other, an area where each part exists is specified.
  • the age group determination unit 186 determines the age group of the human body based on the surface temperature of the determination part of the human body.
  • the determination part of the human body is a part specified by the part specifying unit 184 as the determination part among the parts of the human body.
  • the surface temperature of the determination part of the human body the surface temperature detected by the human body sensor 170 as temperature detecting means is used.
  • the age group determination part 186 determines the age group of the said human body based on the variation
  • the age group determined by the age group determination unit 186 includes at least adults and children.
  • an age group other than an adult and a child for example, an elderly person can be considered.
  • an example in which the age group is two adults and children will be described.
  • FIG. 8 shows an example of temporal changes in the temperature of the feet of adults and children after the start of heating operation.
  • FIG. 9 is an example of the time change of the temperature of the head of an adult and a child after heating operation start.
  • FIG. 8 and FIG. 9 as the heating operation is started and the room temperature rises, the temperature of both feet and heads of adults and children rises. At this time, as shown in FIG. 9, there is not much difference in the amount of temperature change with the passage of time between the adult and the child, as shown in FIG.
  • thermoregulatory functions are more susceptible to ambient temperature than adults.
  • the temperature of the foot is susceptible to the temperature of the floor with which the foot is in contact, and the floor temperature is lower than the room temperature at the start of heating operation, so the child is more susceptible to the floor temperature below this room temperature. It can be considered that the temperature of the foot of a person is less likely to rise than the temperature of the foot of an adult.
  • the human foot is designated in advance as the determination part. That is, the part specifying unit 184 specifies the part of the human foot detected by the human body detecting unit 183.
  • the age group determination unit 186 determines the age group of the human body based on the surface temperature of the human foot detected by the human body sensor 170. More specifically, the age group determination unit 186 determines the age group of the human body based on the amount of change per unit time in the surface temperature of the foot, which is the determination site.
  • the age group determination unit 186 determines that the age group of the human body is a child when the amount of change in the surface temperature of the human foot (determination site) per unit time is equal to or less than a preset reference value ⁇ . judge. On the other hand, the age group determination unit 186 determines that the age group of the human body is an adult when the change amount per unit time of the surface temperature of the foot of the human body is not less than the reference value ⁇ .
  • the control device 180 includes a temperature storage unit 185 in order to obtain a change amount per unit time of the surface temperature of the determination part.
  • the temperature storage unit 185 stores the value of the surface temperature of the determination part (here, the foot) of the human body detected by the human body sensor 170 for each unit time.
  • the age group determination unit 186 calculates the amount of change per unit time of the surface temperature of the determination part using the value of the surface temperature of the determination part stored in the temperature storage unit 185. Then, the age group determination unit 186 determines whether the human body is an adult or a child by comparing the amount of change in the surface temperature of the calculated determination site per unit time with the reference value ⁇ described above. Do.
  • a foot is designated as a determination part.
  • the part of the human body as the determination part is not limited to the foot.
  • the age group determination unit 186 determines whether the age group of the human body is a child depending on whether the absolute value of the amount of change in the surface temperature of the human foot per unit time is equal to or less than the reference value ⁇ described above. Or whether it is an adult.
  • the air blowing control unit 187 controls the air blowing mechanism described above based on the age group of the human body determined by the age group determining unit 186 as described above.
  • the specific contents of the control of the air blowing mechanism based on the determination result of the age group of the human body will be described next for each of the heating operation and the cooling operation.
  • control of the ventilation mechanism based on the determination result of the human body age group described below may be performed only in one of the heating operation and the cooling operation, or may be performed in both.
  • the blower control unit 187 controls the blower mechanism so that the wind direction of the conditioned air is directed to the position of the human body. . Further, when the temperature of the human body detected by the human body sensor 170 during the heating operation is equal to or higher than the heating reference temperature, the air blowing control unit 187 sets the air blowing mechanism so that the conditioned air direction is different from the position of the human body. Control and perform the so-called “human blow”.
  • the air blowing mechanism It is desirable to control the air blowing mechanism so that the distance between the human body and the air flow of conditioned air is 0.3 m or more when performing this “human air blowing”. It is preferable to set the distance so that the distance between the conditioned air flow and the human body is 0.3 m or more even at the closest position. According to this setting, even if the airflow of the conditioned air is diffused to some extent, it is possible to sufficiently suppress the airflow from hitting the human body.
  • the “heating reference temperature” used as a reference in such air blowing control is a temperature that is a criterion for determining whether or not the human body needs to be warmed.
  • the “heating reference temperature” is set according to the age group determined by the age group determining unit 186. That is, in the first embodiment of the present invention, specifically, the adult heating reference temperature and the child heating reference temperature can be set as the “heating reference temperature”.
  • the adult heating reference temperature is a reference value used when the age group determined by the age group determination unit 186 is an adult.
  • the child heating reference temperature is a reference value used when the age group determined by the age group determination unit 186 is a child.
  • each of the adult heating reference temperature and the child heating reference temperature is, for example, when the part specifying unit 184 specifies each part of the human body individually, It is calculated using the temperature of all or part of each part of the arm, upper leg, lower leg, hand and foot. At this time, for each temperature of each part, a product obtained by multiplying a preset weighting coefficient may be used for the calculation. In this case, the weighting coefficient is set in advance and stored in advance in the memory 182 of the control device 180.
  • the temperature of each part used for calculating the heating reference temperature for example, the surface temperature of each part detected by the human body sensor 170 is used.
  • the human body part and weighting coefficient used for calculating the adult heating reference temperature may be different from the human body part and weighting coefficient used for calculating the child heating reference temperature.
  • the temperature of each part of the human body is used to calculate the adult heating reference temperature
  • each part of the upper body of the human body (the human head, chest, arms and hands) is used to calculate the child heating reference temperature. ) Temperature may be used.
  • the air blowing control unit 187 sets the heating reference temperature according to the age group determined by the age group determining unit 186, and controls the air blowing mechanism. That is, the air blowing control unit 187 controls the air blowing mechanism described above based on the age group of the human body determined by the age group determining unit 186.
  • the air blow control unit 187 determines whether the human body temperature corresponds to each age group.
  • the air blowing mechanism may be controlled so that the wind direction of the conditioned air is directed to the position of the human body at an intermediate point between two or more human bodies lower than the heating reference temperature.
  • the plurality of human bodies mentioned here include both combinations of the same age group (adults and adults, children and children) and combinations of those of different age groups (adults and children).
  • the air blow control unit 187 controls the air blow mechanism so that the air direction of the conditioned air is directed to the position of the human body when the temperature of the human body detected by the human body sensor 170 is equal to or higher than the cooling reference temperature during the cooling operation. . Further, when the temperature of the human body detected by the human body sensor 170 during the cooling operation is lower than the cooling reference temperature, the air blowing control unit 187 sets the air blowing mechanism so that the conditioned air is directed in a direction different from the position of the human body. Control and perform the so-called “human blow”. At this time, as in the case of the heating operation, it is desirable to control the air blowing mechanism so that the distance between the human body and the air flow of the conditioned air is 0.3 m or more.
  • the “cooling reference temperature” of the human body is a temperature that is a criterion for determining whether or not the human body needs to be cooled.
  • the “cooling reference temperature” is set according to the age group determined by the age group determining unit 186. That is, in the first embodiment of the present invention, specifically, two adult cooling reference temperatures and child cooling reference temperatures can be set as the “cooling reference temperature”.
  • the adult cooling reference temperature is a reference value used when the age group determined by the age group determination unit 186 is an adult.
  • the child cooling reference temperature is a reference value used when the age group determined by the age group determination unit 186 is a child.
  • the adult cooling reference temperature and the child cooling reference temperature are set in the same manner as the adult heating reference temperature and the child heating reference temperature. That is, each of the adult cooling reference temperature and the child cooling reference temperature uses, for example, the temperature of all or part of the human head, chest, arms, upper legs, lower legs, hands and feet. Calculated. At this time, for each temperature of each part, a product obtained by multiplying a preset weighting coefficient may be used for the calculation.
  • the human body part and weighting coefficient used for calculating the adult cooling reference temperature may be different from the human body part and weighting coefficient used for calculating the child cooling reference temperature.
  • the air blowing control unit 187 sets the cooling reference temperature according to the age group determined by the age group determining unit 186, and controls the air blowing mechanism. That is, the air blowing control unit 187 controls the air blowing mechanism described above based on the age group of the human body determined by the age group determining unit 186.
  • step S1 the human body sensor 170 starts detecting the surface temperature, and the human body detection unit 183 includes the human body sensor 170. The detection of the human body based on the detection result is started.
  • step S ⁇ b> 2 the human body detection unit 183 confirms whether or not a human body has been detected based on the detection result of the human body sensor 170. If no human body is detected, the process returns to step S1. On the other hand, when the human body detection unit 183 detects a human body, the process proceeds to step S3.
  • step S3 the air blowing control unit 187 controls the air blowing mechanism so as to blow conditioned air toward the position of the human body detected by the human body detecting unit 183. In addition, since it is heating operation here, the conditioned air sent is warm air. After step S3, the process proceeds to step S4.
  • step S4 first, the part specifying unit 184 specifies a region where the human body detected by the human body detecting unit 183 is present. And the part specific
  • part of a human body is a leg
  • the part specifying unit 184 specifies the determination part of the human body, that is, the foot
  • the human body sensor 170 detects the temperature of the foot (determination site) of the human body at regular time intervals, for example, every unit time.
  • the temperature of the human foot (determination part) detected by the human body sensor 170 is stored in the temperature storage unit 185 as time series data.
  • step S5 first, the age group determination unit 186 calculates the amount of change in foot temperature per unit time based on the time-series data of the temperature of the human foot (determination part) stored in the temperature storage unit 185. To do. Next, the age group determination unit 186 checks whether or not the calculated amount of change in the foot temperature of the human body per unit time is equal to or less than the reference value ⁇ described above. When the amount of change in the foot temperature of the human body per unit time is equal to or less than the reference value ⁇ , the process proceeds to step S6.
  • step S6 the age group determination unit 186 determines that the age group of the human body is a child. And it progresses to step S7, First, the ventilation control part 187 calculates the specific value of the child heating reference temperature, and sets the calculated child heating reference temperature as heating reference temperature. Next, the air blow control unit 187 confirms whether or not the temperature of the human body is equal to or higher than the child heating reference temperature. If the temperature of the human body is not equal to or higher than the child heating reference temperature, the process proceeds to step S8.
  • step S8 the blowing control unit 187 controls the blowing mechanism so as to blow conditioned air toward the position of the human body. After step S8, the process returns to step S7, and the air blowing toward the human body is continued until the temperature of the human body becomes equal to or higher than the child heating reference temperature.
  • step S9 the age group determination unit 186 determines that the age group of the human body is an adult. And it progresses to step S10, and the ventilation control part 187 calculates the concrete value of adult heating reference temperature first, and sets the calculated adult heating reference temperature as heating reference temperature.
  • the air blow control unit 187 confirms whether or not the temperature of the human body is equal to or higher than the adult heating reference temperature. If the temperature of the human body is not equal to or higher than the adult heating reference temperature, the process proceeds to step S11.
  • step S11 the air blowing control unit 187 controls the air blowing mechanism so as to blow conditioned air toward the position of the human body. After step S11, the process returns to step S10, and the air blowing toward the human body is continued until the temperature of the human body becomes equal to or higher than the adult heating reference temperature.
  • step S7 if the temperature of the human body is equal to or higher than the child heating reference temperature, the process proceeds to step S12. Moreover, also when the temperature of the said human body becomes more than adult heating reference temperature by step S10, it progresses to step S12.
  • step S ⁇ b> 12 the air blowing control unit 187 performs so-called human air blowing. That is, the air blowing mechanism is controlled so as to blow conditioned air in a direction different from the position of the human body detected by the human body sensor 170. And although a series of operation
  • the heating operation is almost the same in the cooling operation. That is, the operation when the air-conditioning apparatus 100 starts the cooling operation by the user's operation on the operation display unit 190 or the like is the heating shown in FIG. 8 for steps S1 to S6, S8, S9, S11, and S12. Same as driving.
  • step S7 of the cooling operation first, the air blow control unit 187 calculates a specific value of the child cooling reference temperature, and sets the calculated child cooling reference temperature as the cooling reference temperature. Next, the air blow control unit 187 confirms whether or not the temperature of the human body is equal to or higher than the child cooling reference temperature. If the temperature of the human body is equal to or higher than the child cooling reference temperature, the process proceeds to step S8. On the other hand, if the temperature of the human body is not equal to or higher than the child cooling reference temperature, the process proceeds to step S12.
  • step S10 of the cooling operation the air blowing control unit 187 first calculates a specific value of the adult cooling reference temperature, and sets the calculated adult cooling reference temperature as the cooling reference temperature. Next, the air blow control unit 187 confirms whether or not the temperature of the human body is equal to or higher than the adult cooling reference temperature. If the temperature of the human body is equal to or higher than the adult cooling reference temperature, the process proceeds to step S11. On the other hand, if the temperature of the human body is not equal to or higher than the adult cooling reference temperature, the process proceeds to step S12.
  • the air-conditioning apparatus 100 configured as described above includes a human body detection unit 183 that detects a human body based on the surface temperature detected by the human body sensor 170, and a part that specifies a predetermined determination site of the detected human body.
  • An age group determination unit 186 that determines the age group of the human body based on the surface temperature of the determination part of the human body based on the specifying unit 184, and a ventilation control unit that controls the blower mechanism based on the determined age group of the human body 187.
  • the conditioned air can be appropriately blown according to the age group of the user.
  • the user's comfort can be improved.
  • the human body sensor 170 such as an infrared sensor without taking an image of the user's face and using an image recognition technique or the like. Therefore, the cost required for manufacturing the product can be kept low.
  • the thermal sensation may be different even in the same environment.
  • children are hotter than adults (especially women), and if there are children and adult women at the same time in a heated room, adult women feel cold at the temperature set for the child, conversely Children often feel hot at preset temperatures tailored to adult women.
  • the reference temperature for performing “human ventilation” can be changed based on the age group of the human body determined by the age group determination unit 186. Therefore, even if a child and an adult with the same height are in the same room, the conditioned air can be appropriately blown to the child and the adult, thereby improving the user's comfort. it can.
  • an adult misidentified as a child can be prevented from feeling cold due to the wind even though it has not reached a sufficiently warm state.
  • cooling operation it is possible to prevent a child erroneously determined as an adult from being windshielded and feeling hot even though the child has not reached a sufficiently cool state.
  • the air direction of the conditioned air can be switched to a direction other than the human body to shift to heating of the entire room.
  • the effect of reducing noise can be obtained by reducing the air volume.
  • the age group of the human body is determined based on the amount of change in the surface temperature of the human body per unit time, and the heating reference temperature or the cooling reference temperature is set according to the determined age group. It was a thing. However, regarding this point, in the first embodiment, the heating reference temperature or the cooling reference temperature may be set directly from the amount of change in the surface temperature of the human body without determining the age group of the human body.
  • the air conditioner 100 specifies a human body from the distribution of the surface temperature detected by the human body sensor 170 that is a temperature detection means
  • the air direction of the conditioned air is set to the direction of the human body
  • the surface temperature of the human body is You may make it hold
  • the heating reference temperature or the cooling reference temperature which is the reference temperature at this time, is set according to the amount of change in the surface temperature of the human body.
  • control device 180 stores in advance a table of the heating reference temperature or the cooling reference temperature corresponding to the amount of change per unit time of the surface temperature of the human body. And the control apparatus 180 sets the heating reference temperature or the cooling reference temperature from the detection result of the human body sensor 170 with reference to the content of this table.
  • the determination result of the age group determination unit may be displayed on the operation display unit 190. That is, the air conditioning apparatus 100 may include a display unit that displays the determination result of the age group determination unit. By doing in this way, the user can know how the user's own age group is determined by the air conditioning apparatus 100 by confirming the display of the operation display unit 190.
  • FIG. FIG. 11 relates to Embodiment 2 of the present invention, and is a flowchart showing air blow control during heating operation of the air conditioner.
  • Embodiment 2 described here is a configuration in which the determination of the age group of the human body based on the height of the human body is used in combination with the configuration of the first embodiment described above. That is, the height of the human body detected by the human body sensor 170 is detected, and the age group determination unit 186 first determines the age group based on the height of the human body. As described in the first embodiment, the age group is determined based on the temperature of the determination part of the human body.
  • the air conditioning apparatus according to the second embodiment will be described focusing on the differences from the first embodiment.
  • the basic configuration of the air conditioner 100 according to the second embodiment is the same as that shown in FIGS. 1 to 6 shown in the first embodiment.
  • the structure of the control apparatus 180 with which the air conditioning apparatus 100 which concerns on Embodiment 2 is provided is fundamentally the same as the structure of Embodiment 1 shown in FIG.
  • the function of the age group determination unit 186 is different from that of the first embodiment. That is, in the second embodiment, the age group determination unit 186 first detects the height of the human body based on the shape of the human body specified by the region specifying unit 184. Then, the age group determination unit 186 determines the age group of the human body based on the detected height of the human body.
  • the age group determination unit 186 determines that the age group of the human body is a child when the detected height of the human body is equal to or less than the height reference value.
  • the height reference value is set in advance after individual consideration according to the setting place, application, and the like of the air conditioner 100. Specific examples of the height reference value include a value such as 130 cm.
  • the age group determination unit 186 determines the age group of the human body based on the surface temperature of the determination part of the human body.
  • the determination of the age group of the human body based on the surface temperature of the determination part of the human body is exactly the same as in the first embodiment. Other configurations are the same as those in the first embodiment, and detailed description thereof is omitted.
  • steps S1 to S3 are the same as steps S1 to S3 of the flowchart of FIG. And in this Embodiment 2, it progresses to step S21 after step S3.
  • step S21 the age group determination unit 186 detects the height of the human body based on the shape of the human body specified by the region specifying unit 184. After step S21, the process proceeds to step S22.
  • step S22 the age group determination unit 186 checks whether or not the height of the human body detected in step S21 is equal to or less than the height reference value. If the height of the human body is less than or equal to the height reference value, the process proceeds to step S6, and the age group determination unit 186 determines that the age group of the human body is a child.
  • step S4 the age group determination unit 186 determines the age group based on the temperature of the determination part of the human body. Steps S4 to S12 are the same as steps S4 to S12 in the flowchart of FIG.
  • the air conditioning apparatus 100 configured as described above first attempts to determine whether or not the age group of the human body is a child based on the height of the human body. If it can be determined that the age group of the human body is a child based on the height of the human body, the age group of the human body is assumed to be a child at that time. On the other hand, when it cannot be determined that the age group of the human body is a child based on the height of the human body, the age group is determined based on the temperature of the determination part of the human body as described in the first embodiment.
  • the human body sensor 170 detects a plurality of human bodies, it is possible to expect a significant improvement in the processing speed of the control device 180 by reducing the processing load on the control device 180.
  • the height reference value is set to a value that can be determined to be a child, and first, it is determined whether or not the age group of the human body is a child based on the height of the human body.
  • the height reference value may be set to a value that can be determined to be an adult, and first, based on the height of the human body, it may be determined whether or not the age group of the human body is an adult. .
  • the height reference value is a value such as 170 cm.
  • the age group determination part 186 determines with the age group of the said human body being an adult, when the height of the detected human body is more than a height reference value. On the other hand, when the detected height of the human body is less than the height reference value, the age group determination unit 186 determines the age group of the human body based on the surface temperature of the determination part of the human body.
  • FIG. 12 and 13 relate to Embodiment 3 of the present invention.
  • FIG. 12 is a diagram showing an example of changes in the foot temperature of the human body during the heating operation of the air conditioner
  • FIG. 13 is the heating of the air conditioner. It is a flowchart which shows the ventilation control at the time of a driving
  • Embodiment 1 and Embodiment 2 described above determine the age group of the human body based on the amount of change per unit time in the surface temperature of the determination part of the human body.
  • the third embodiment described here is based on the amount of change in the surface temperature of the determination part of the human body when the room temperature changes by the unit temperature in the configuration of the first or second embodiment described above.
  • the age group of the human body is determined.
  • the air conditioner according to the third embodiment will be described focusing on differences from the first embodiment, taking an example configured based on the first embodiment.
  • the basic configuration of the air conditioner 100 according to the third embodiment is the same as that shown in FIGS. 1 to 6 shown in the first embodiment.
  • the structure of the control apparatus 180 with which the air conditioning apparatus 100 which concerns on Embodiment 3 is provided is fundamentally the same as the structure of Embodiment 1 shown in FIG.
  • the function of the age group determination unit 186 is different from that of the first embodiment. That is, in the third embodiment, the age group determination unit 186 is configured so that the age group determination unit 186 is based on the amount of change in the surface temperature of the determination part of the human body when the room temperature changes by the unit temperature. Determine the age group.
  • FIG. 12 shows an example of the relationship between the room temperature after the start of heating operation and the temperature of the feet of adults and children. As the heating operation starts and the room temperature rises, the temperature of the feet of adults and children rises. In this case, as shown in FIG. 12, the inventor compared the amount of change in foot temperature in the case of a child when the room temperature changes by a unit temperature in comparison with the amount of change in foot temperature in the case of an adult. I found it smaller.
  • the human foot is designated in advance as the determination part. That is, the part specifying unit 184 specifies the part of the human foot detected by the human body detecting unit 183. Then, the age group determination unit 186 determines the age group of the human body based on the amount of change in the surface temperature of the foot, which is the determination site, per unit time when the room temperature changes by the unit temperature.
  • the age group determination unit 186 when the change in the surface temperature of the human foot (determination site) when the room temperature changes by the unit temperature is equal to or less than a preset reference value ⁇ , Determine that the human body is a child. On the other hand, if the amount of change in the surface temperature of the human foot when the room temperature changes by the unit temperature is not less than the reference value ⁇ , the age group determination unit 186 determines that the age group of the human body is an adult. .
  • the air conditioner 100 in order to obtain the amount of change in the surface temperature of the human foot (determination site) when the room temperature changes by the unit temperature, the air conditioner 100 includes room temperature detection means for detecting the room temperature. ing.
  • a temperature sensor may be provided in the casing 110, the suction port 111, and the like of the air conditioner 100.
  • a temperature sensor may be provided in a location different from the casing 110 of the air conditioner 100, and the temperature sensor and the air conditioner 100 may be connected to be communicable.
  • the temperature of the indoor floor surface or wall surface detected by the infrared sensor included in the human body sensor 170 may be used as the room temperature.
  • the human body sensor 170 serves as both a temperature detection unit that detects a surface temperature within a preset detection range and a room temperature detection unit that detects a room temperature.
  • the temperature storage unit 185 stores the value of the surface temperature of the determination part (here, the foot) of the human body detected by the human body sensor 170 and the value of the room temperature detected by the room temperature detection means for a certain period of time.
  • the age group determination unit 186 calculates the amount of change in the surface temperature of the determination part when the room temperature changes by the unit temperature, using the surface temperature value and the room temperature value of the determination part stored in the temperature storage unit 185. To do. Then, the age group determination unit 186 determines whether the human body is an adult or a child by comparing the calculated amount of change in the surface temperature of the determination site with the reference value ⁇ described above.
  • Other configurations are the same as those in the first embodiment, and detailed description thereof is omitted.
  • steps S1 to S4 are the same as steps S1 to S4 of the flowchart of FIG. And in this Embodiment 3, it progresses to step S31 after step S4.
  • step S31 the age group determination unit 186, the age group determination unit 186, based on the temperature of the human foot (determination site) stored in the temperature storage unit 185 and the time-series data of the room temperature, the room temperature is the unit temperature only. The amount of change in foot temperature when changing is calculated.
  • the age group determination unit 186 checks whether or not the calculated change in the foot temperature of the human body is equal to or less than the reference value ⁇ described above. When the amount of change in the human foot temperature is equal to or less than the reference value ⁇ , the process proceeds to step S6. On the other hand, if the amount of change in the foot temperature of the human body is not less than or equal to the reference value ⁇ , the process proceeds to step S9. Steps S6 to S12 are the same as steps S6 to S12 in the flowchart of FIG.
  • the air conditioning apparatus 100 configured as described above is configured to determine the age group of the human body based on the amount of change in the surface temperature of the determination part of the human body when the room temperature changes by the unit temperature. .
  • the change amount per unit time of the surface temperature of the determination part of the human body is used as in the first embodiment, the temperature change amount per unit time is small when the heating and cooling set temperatures are close to the room temperature. Therefore, there is a possibility that the situation is not suitable for determination of the age group.
  • the amount of change in the surface temperature of the determination part of the human body when the room temperature changes by the unit temperature this is not the case, and in many cases the age group based on the surface temperature of the determination part Judgment can be made.
  • the air when blowing air toward the human body, the air may be directed toward a specific part of the human body instead of the entire human body. Specifically, for example, the air may be intensively directed toward the feet of the human body. In addition, for example, the air may be intensively directed toward the human hand.
  • the air flow control may be performed using temperature information such as room temperature, temperature at the air inlet 111 of the air conditioner, temperature at the air outlet 112, and the like. At this time, a change amount or a change rate per unit time of the temperature information can also be used.
  • the present invention can be used for an air conditioner equipped with a blowing mechanism capable of changing the wind direction of the conditioned air blown out from the outlet.
  • Air conditioning apparatus 110 Case 111 Inlet port 112 Outlet port 113 Front panel 121 Heat exchanger 122 Blower fan 131 Left front side up-and-down air direction plate 132 Right front side up-and-down air direction plate 141 Left back side up-and-down air direction plate 142 Right back side up-and-down air direction plate 150 Left and right wind direction plate 161 Step motor for left and right wind direction plate 162 Step motor for right and left wind direction plate 163 Step motor for left and right wind direction plate 170 Human body sensor 171 Metal can 172 Sensor stepping motor 173 Light distribution viewing angle 180 Controller 181 Processor 182 Memory 183 Human body detection unit 184 Site identification unit 185 Temperature storage unit 186 Age group determination unit 187 Air blow control unit 190 Operation display unit

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Abstract

Appareil de climatisation qui peut souffler de manière appropriée de l'air climatisé conformément au groupe d'âge d'un utilisateur, sans être affecté par la hauteur de l'utilisateur. Par conséquent, cet appareil de climatisation est pourvu : d'un mécanisme de soufflage d'air qui est disposé dans un boîtier, produit un écoulement d'air par aspiration d'air à partir d'un orifice d'admission et souffle de l'air climatisé à partir d'un orifice de soufflage, et peut changer la direction de vent du soufflage d'air climatisé à partir de l'orifice de soufflage ; d'un moyen de détection de température qui détecte la température de surface dans une plage de détection prédéfinie ; et d'un dispositif de commande qui commande le mécanisme de soufflage d'air conformément à un résultat de détection du moyen de détection de température ; dans le cas où un corps humain a été identifié à partir de la distribution de la température de surface détectée par le moyen de détection de température, la direction de vent de l'air climatisé est réglée de manière à être orientée vers le corps humain, et la direction de vent de l'air climatisé est maintenue de manière à être orientée vers le corps humain jusqu'à ce que la température de surface du corps humain atteigne une température de référence. La température de référence est réglée conformément à la quantité de changement de la température de surface du corps humain.
PCT/JP2016/080112 2016-10-11 2016-10-11 Appareil de climatisation Ceased WO2018069961A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2016/080112 WO2018069961A1 (fr) 2016-10-11 2016-10-11 Appareil de climatisation
EP16918648.3A EP3527904B1 (fr) 2016-10-11 2016-10-11 Appareil de climatisation
CN201680089126.8A CN109790993B (zh) 2016-10-11 2016-10-11 空调装置
JP2018544593A JP6658907B2 (ja) 2016-10-11 2016-10-11 空気調和装置

Applications Claiming Priority (1)

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