WO2010041300A1 - 空気調和機 - Google Patents

空気調和機 Download PDF

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Publication number
WO2010041300A1
WO2010041300A1 PCT/JP2008/003747 JP2008003747W WO2010041300A1 WO 2010041300 A1 WO2010041300 A1 WO 2010041300A1 JP 2008003747 W JP2008003747 W JP 2008003747W WO 2010041300 A1 WO2010041300 A1 WO 2010041300A1
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WO
WIPO (PCT)
Prior art keywords
area
detection
air
person
air conditioner
Prior art date
Application number
PCT/JP2008/003747
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
能登谷義明
永田孝夫
上田貴郎
松島秀行
Original Assignee
日立アプライアンス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日立アプライアンス株式会社 filed Critical 日立アプライアンス株式会社
Priority to IN2068DEN2012 priority Critical patent/IN2012DN02068A/en
Priority to KR1020117007839A priority patent/KR101291967B1/ko
Priority to CN200880131416.XA priority patent/CN102171517B/zh
Publication of WO2010041300A1 publication Critical patent/WO2010041300A1/ja

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by 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
    • 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
    • F24F1/0083—Indoor units, e.g. fan coil units with dehumidification means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy

Definitions

  • the present invention relates to an air conditioner equipped with an infrared sensor, and more particularly to an improvement in human detection function.
  • the air conditioner circulates indoor air to a heat exchanger, adjusts it by a heating, cooling, dehumidifying function and the like, and blows the air into the room to air-condition the room. At this time, if it is possible to send an air-conditioned air flow to the location of the room occupant, the room occupant does not have to bother with one-by-one operation, the satisfaction of the room occupant increases, and only the surroundings of the room occupant are comfortable. Energy saving of the air conditioner.
  • One possible method is to mount an infrared sensor on the air conditioner, detect the position of the occupant, and increase or decrease the wind direction, air volume, cooling / heating capacity, etc. according to the position of the occupant.
  • Various devices have been devised to achieve this.
  • Japanese Patent No. 02921256, Japanese Patent Laid-Open No. 2000-230737, and Japanese Patent Laid-Open No. 2008-101893 are known.
  • Patent Document 1 changes the setting temperature by the setting temperature changing means from the output of the position detecting means which detects the direction of the human body and the distance from the air conditioner, changes the blowing direction by the wind direction changing means, and the air speed by the wind speed changing means.
  • the main control means made it possible to change
  • a control device for an air conditioner, a human body detection sensor, and an air conditioner that automatically and comfortably control an air conditioner according to the movement of a person without performing troublesome and difficult setting operations are described.
  • Patent document 2 arranges the 1st and 2nd human sensor which detects a person so that a detection range may overlap partially, and is provided in the front panel of an indoor unit. Then, a first area A in which only the first and second human sensors can detect a room, a second area B in which both the first and second human sensors can detect, and a first and second human sense It divides into the 3rd field C which only a sensor can detect, and sets up the discharge direction of the air-conditioned air based on the detection signal. In this way, by providing a plurality of first and second human sensors 3, 4, a room can be divided into a plurality of areas so that a person can be detected, and an air conditioner that automatically performs optimum air conditioning is described. There is.
  • Patent Document 3 divides the area to be air conditioned into a plurality of areas by a plurality of human body detection sensors according to the position of the person in the area to be air conditioned, sets the area characteristic of each area according to the frequency of people being present, Determination conditions indicating the presence of a person are set in each area characteristic according to the reaction result of the human body detection sensor with respect to time, and the presence or absence of a person in each area is estimated according to the set determination conditions.
  • a method of estimating the position of a person performing the air conditioning operation efficiently by accurately estimating the position of the person in the area to be air conditioned using a plurality of human body detection sensors and an air conditioner employing the method are described. .
  • the left and right sensors are used to divide the detection area into three in the left and right, and when both the left and right sensors detect, it is assumed that there is a person in the center, and further, air according to the magnitude of the detection output of the sensors.
  • This is a method to determine the distance from the conditioner, and to distinguish between the case where there is a person in the central part and the case where there are people on the left and right when both left and right sensors detect. There is no description of how to judge entering or leaving the room under any conditions, and the effectiveness is poor.
  • Patent Document 3 the area characteristic has to be set in advance for each detection area, and this function can not be confirmed in a test run immediately after installation, which gives the user anxiety.
  • the determination condition of presence / absence must be set in the area characteristic, the development burden of control software is large and the development cost is increased.
  • the amount of activity of the occupants Furthermore, there is no description on how to distinguish between the case where there is a person in the overlapping part and the case where there is a person in the non-overlapping part when a plurality of sensors detect it.
  • An object of the present invention is to make a person who is in a room comfortable without having to operate in a manner that is friendly to resource saving and does not require complicated operations.
  • the problem to be solved by the present invention is to distinguish an area where people are present without increasing the number of human detection sensors, and to automatically operate an air conditioner that performs a comfortable operation or an energy saving operation according to the condition of the occupant. It is to provide.
  • the problem to be solved by the present invention is that a housing having an air inlet and an air outlet, a heat exchanger disposed in the housing, and room air drawn from the air inlet through the heat exchanger
  • a blower fan for blowing air from the air outlet, a left and right air direction plate provided in the air outlet of the air fan, an up and down air direction plate, and at least first and second infrared sensors;
  • an infrared detection device for estimating presence or absence of a room occupant
  • the first and second infrared sensors are disposed such that portions of detection areas of the first and second infrared sensors overlap.
  • the air conditioner determines whether only the area where the detection areas of the first and second infrared sensors overlap is the presence area Be done.
  • the air conditioner according to claim 2 is the air conditioner according to claim 1, wherein the activity pulse digitally output based on the output of the infrared sensor is read at a constant cycle, and the number of times of detection within a predetermined time is counted.
  • the number of times of detection based on the outputs of the first and second infrared sensors exceeds a presence threshold for determining presence or absence of a person
  • the overlapping area is determined to be an existing area
  • the detection area of the first and second infrared sensors is determined to be the existing area.
  • the air conditioner according to claim 3 is the air conditioner according to claim 2, wherein if only the number of times of detection based on the output of the first infrared sensor is greater than or equal to the existing threshold, from the detection area of the first infrared sensor An area excluding the detection area of the other infrared sensors is determined as the existing area.
  • the air conditioner according to claim 4 is the air conditioner according to any one of claims 1 to 3, wherein the latest plurality of determination results among the presence or absence of the person and the determination result of the presence region are accumulated, and the plurality The internal device is controlled based on the ranking, the present presence / absence of the person, and the determination result of the existing area, in the order of the highest ranked number of times the area is determined to be the existing area among the areas. is there.
  • the air conditioner according to claim 5 is the air conditioner according to claim 4, wherein air conditioning air is sent to the lowest area of the areas among the areas or an area adjacent to the area judged to be the existing area. It is.
  • the air conditioner according to claim 6 is the air conditioner according to any one of claims 1 to 5, wherein an operation of directing air conditioning air to the existing area and an operation of directing the air conditioning air to a wide range alternately.
  • the operation time for directing the conditioned air to the existing area is controlled to be shorter than the operation time for directing the conditioned air widely.
  • the air conditioner according to claim 7 is the air conditioner according to any one of claims 1 to 6, when the activity amount of the person in the area determined to be the existing area is large compared to when it is small, during heating operation.
  • the set temperature is changed to a lower value, and during the cooling or dehumidifying operation, the set temperature is changed to a higher value.
  • the air conditioner according to claim 8 is the air conditioner according to claim 7, wherein when the number of times of detection of the activity pulse is less than or equal to the existing threshold continues for a second predetermined time, the activity amount is at the time of heating operation.
  • the amount of decrease of the set temperature corresponding to the largest case is used, and the amount of increase of the set temperature corresponding to the case where the amount of activity is the smallest during the cooling or dehumidifying operation is used.
  • the air conditioner according to claim 9 is the air conditioner according to claim 2, wherein the threshold value can be changed.
  • the area where the person is present is distinguished without increasing the number of the human detection sensors, and the comfortable driving and the energy saving operation are automatically performed according to the state of the occupant.
  • the existing area is properly determined in accordance with the combination of the infrared sensors that output the signal exceeding the existing determination level.
  • the existing area is estimated by dividing into the constituent units of the area, and appropriate operation according to the existing area is performed.
  • the air conditioner is properly controlled in consideration of the indoor use tendency.
  • the responsiveness of the control is adjusted according to the installation environment of the air conditioner and the intention of the user, and energy saving or satisfaction is enhanced.
  • FIG. 1 is a block diagram of the air conditioner of the embodiment.
  • FIG. 2 is a cross-sectional view of the indoor unit of the air conditioner.
  • FIG. 3 is a cross-sectional view of the outdoor unit of the air conditioner.
  • FIG. 4 is a refrigerant circuit diagram of the air conditioner, (a) shows a flow direction of the refrigerant during the cooling / dehumidifying operation, and (b) shows a flow direction of the refrigerant during the heating operation.
  • the air conditioner 1 connects the indoor unit 2 and the outdoor unit 6 with a connection pipe 8 to air-condition the room.
  • the indoor heat exchanger 33 is placed at the central portion of the housing base 21, and the cross flow fan type indoor blower fan 311 having a length substantially equal to the width of the heat exchanger 33 is provided downstream of the heat exchanger 33. It arrange
  • An indoor blower fan 311 is provided downstream of the air flow of the indoor heat exchanger 33, and when the indoor blower fan 311 rotates, indoor air is supplied from the air suction port 27 provided in the indoor unit 2 to the indoor heat exchanger 33 and the indoor blower fan.
  • the air flows through the air blowing passage 290 having a width substantially equal to the length of the indoor air blowing fan 311 through the air passage 311 and is deflected in the left and right direction of the air flow by the left and right air direction plates 295 disposed in the middle of the air blowing passage 290.
  • the up and down direction of the air flow is deflected by the up and down air direction plates 291 and 292 arranged in the and the air is blown out into the room.
  • Attached to the case base 21 are basic internal structures such as the indoor blower fan 311, the filters 231 and 231 ', the indoor heat exchanger 33, the heat sink 33, the upper and lower air direction plates 291 and 292, and the left and right air direction plate 295.
  • These basic internal structures are contained in a housing 20 consisting of a housing base 21, a cosmetic frame 23, and a front panel 25 to constitute the indoor unit 2.
  • the outdoor unit 6 includes a compressor 75 and an outdoor heat exchanger 73 mounted on a base 61 and is covered by an outer case 62. Outside air is allowed to flow to the outdoor heat exchanger 73 by the outdoor fan 63 to exchange heat with refrigerant flowing inside. , Blow out through the blower cover 635 to the outside of the machine.
  • the compressor in the cooling / dehumidifying operation, as shown in FIG. 4A, the compressor includes the compressor 75, the refrigerant flow switching valve 72, the outdoor heat exchanger 73, the cooling / heating expansion device 74, the dehumidification heater 332, the dehumidification expansion device 34, dehumidification cooling Flow back to the compressor 75 and control the refrigerant by appropriately squeezing or opening the cooling / heating expansion device 74 and the dehumidification expansion device 34 in accordance with the cooling / dehumidifying operation.
  • the outdoor blower 63 and the indoor blower fan 311 are operated at an appropriate rotational speed to perform known cooling and dehumidifying operation.
  • the refrigerant flow path switching valve 72 is switched to flow the refrigerant in the reverse direction, and similarly known heating operation is performed.
  • a display device 397 for displaying the driving situation and a light receiving unit 396 for receiving an infrared operation signal from the separate remote control 5 are disposed.
  • An air outlet 29 formed on the lower surface of the decorative frame 23 is disposed adjacent to the divided portion with the front panel 25 and is in communication with the back air passage 290.
  • the two upper and lower air flow direction plates 291 and 292 are configured to have a large curved surface continuous with the bottom surface of the indoor unit 2 by substantially concealing the blowoff air passage 290 in the closed state.
  • the vertical air flow direction plates 291 and 292 have the rotation axes provided at both ends as a fulcrum, and in response to an instruction from the remote control 5, the drive motor rotates the required angle during operation of the air conditioner 1
  • the outlet 29 is opened and held in that state.
  • the vertical air flow direction plates 291 and 292 are controlled to close the air outlet 29.
  • the left and right air direction plates 295 are rotated by the drive motor with a rotation axis provided at the lower end as a fulcrum, and are rotated according to an instruction from the remote control 5 and held in that state. As a result, the blowoff air is blown out in the left and right desired directions. It is also possible to periodically swing the upper and lower wind direction plates 291, 292 and the left and right wind direction plates 295 during operation of the air conditioner 1 by instructing from the remote control 5, and periodically send out the blowing air to a wide range of the room. it can.
  • the movable panel 251 is pivoted by a drive motor with a pivot shaft provided at a lower portion as a fulcrum, and is configured to open the front air suction portion 230 'when the air conditioner 1 is in operation. As a result, room air is also drawn into the indoor unit 2 from the front air suction portion 230 'during operation. When the air conditioner 1 is stopped, the front air suction portion 230 'is controlled to close.
  • the indoor unit 2 is provided with a control board in an internal electric component box, and a microcomputer is provided on the control board.
  • the microcomputer receives signals from various sensors such as an indoor temperature sensor and an indoor humidity sensor, and receives an operation signal from the remote control 5 through the light receiving unit 396.
  • the microcomputer controls the indoor blower fan 311, the movable panel drive motor, the vertical air flow direction plate drive motor, the horizontal air flow direction plate drive motor, etc. based on these signals, and controls the communication with the outdoor unit 6. Integrate and control the
  • the filters 231 and 231 ′ are for removing dust contained in the sucked indoor air, and are disposed so as to cover the suction side of the indoor heat exchanger 33.
  • the dew tray 35 is disposed below the lower ends of the front and rear sides of the indoor heat exchanger 33, and is provided to receive condensed water generated in the indoor heat exchanger 33 during the cooling operation or the dehumidifying operation. The condensed water received and collected is discharged to the outside through the drain pipe 37.
  • FIG. 5 is a cross-sectional view of the indoor unit during the cooling / dehumidifying operation.
  • FIG. 6 is a cross-sectional view of the indoor unit during the heating operation.
  • the upper and lower wind direction plates are composed of the upper and lower upper wind direction plates 291 and the lower upper and lower wind direction plates 292 as described above.
  • the upper and lower wind direction plates 291 will be mainly described. Therefore, when the upper and lower wind direction plates are simply described, the upper and lower wind direction plates are indicated, and when the lower upper and lower wind direction plates are described, the lower upper and lower wind direction plates are described. .
  • the vertical air flow direction plate 291 is provided at the entire width of the upper portion of the air outlet 29 and deflects the air to the lower air outlet or the horizontal air outlet by an upper air outlet direction plate drive motor (not shown).
  • the upper side vertical wind direction plate 291, the lower side vertical wind direction plate 292, and the movable panel 251 are controlled by the control device to close the air outlet 29.
  • the upper upper and lower wind direction plates 291 are pivoted and stored at a position in front of the upper enlarged portion 290 e of the blow air path 290 to shield the upper air path enlarged portion 290 e and cooperate with the lower upper and lower wind direction plate 292. Close the outlet 29.
  • An infrared detection device 14 described later is provided substantially at the center of the air path upper enlarged portion 290e.
  • the outer air direction surface serving as the outer surface is a smooth curved surface having a large curvature to match the outer shape of the air conditioner.
  • the infrared detecting device 14 to be said to be an eye of the air conditioner is also covered by the upper and lower wind direction plates 291 and the appearance of the air conditioner is soft and calm without unnecessary unevenness. It becomes a shape and does not disturb the atmosphere in the room.
  • the upper and lower wind direction plates 291 and the lower upper and lower wind direction plate 292 are used in a substantially parallel or horizontal direction with the upper wall 290a and the lower wall 290b of the blowoff air passage 290. Be done.
  • the directions of the up and down wind direction plates 291, 292 and the left and right wind direction plate 295 are appropriately changed by the remote control 5, and the surroundings of the occupant Keep the temperature and humidity comfortable.
  • the upper and lower air flow direction plates 291 are slightly upward as shown in FIG. 20, and the lower upper and lower air flow direction plates 292 are substantially closed as shown by a broken line.
  • the blowout air flow is caused to flow to the upper enlarged portion 290e which expands upward.
  • part of the blown air becomes extremely weak wind and diffuses into the room softly through the upper enlarged portion 290 e to perform weak cooling or heating.
  • air conditioners such as a drying operation of a heat exchanger and a deodorizing operation inside an air conditioner, are performed by performing a short circuit operation in which the blown-out wind is sucked immediately from the suction port 27 using the upper expanded portion 290e. It is also possible to perform the maintenance operation of
  • the upper and lower wind direction plates 291, 292 are used in a nearly vertical posture as shown in FIG. By doing this, the warm air flowing in the blowing air passage 290 blows downward from the air conditioner, reaches near the floor surface, warms the vicinity of the foot, and makes the room a comfortable environment.
  • FIG. 7 is an external perspective view of the indoor unit.
  • FIG. 8 is an external perspective view of the indoor unit with the upper and lower air direction plates opened.
  • FIG. 9 is a block diagram of an infrared detector incorporated in the indoor unit.
  • FIG. 10 is a layout diagram of the Fresnel lens of the detection device.
  • FIG. 11 is a detection range diagram of the detection device.
  • FIG. 12 is an external view of the detection device, (a) is a plan view, (b) is a front view, (c) is a side view, and (d) is an attached side view.
  • FIG. 13 is a diagram of a detection area by the detection device.
  • FIG. 14 is a circuit diagram of the detection device.
  • the main purpose is to save energy or operate the air conditioner when there are no people in the room, and when there are few people in the room, the wind is
  • the purpose is to save energy by dedicated operation such as sending and to avoid the troublesome operation accompanying the movement of a person.
  • a plurality of human detection sensors using pyroelectric infrared sensors etc. are attached, the room is divided into a plurality of areas, and where the occupants are from the air conditioner is It is made to detect.
  • the detection areas of the human detection sensor are installed so as to overlap with each other so that no non-detection area is formed between the detection areas of the human detection sensor.
  • the infrared detection device 14 is provided at the center of the blowout air path upper enlarged portion 290e in the longitudinal direction and shielded from the room by the upper upper and lower wind direction plates 291 as shown in FIG. I did not give discomfort to the room.
  • the infrared detection device 14 mounts the infrared sensor 410 on the substrate 416 via the pedestal 415 and covers the Fresnel lens 417 and arranges it on the left and right as shown in FIG.
  • the infrared sensor 410 has a smooth light receiving surface 411, the direction in which the light receiving surface 411 faces is the main detection direction, and the central axis 412 directed from the center of the light receiving surface 411 in the main detection direction is the direction with the best detection sensitivity. A good detection range of detection sensitivity is spread around.
  • the left and right infrared sensors 410a and c are mounted by the pedestals 415 so that the direction of the central axis 412 is different, and naturally the main detection directions are also different, so that the detection range can be configured in a wide angle as shown in FIG.
  • the detection device 14 By mounting the detection device 14 with a depression angle as shown in FIG. 12 (d), most of the indoor floor surface can be included in the field of view.
  • the Fresnel lens 417 is shaped to form a hemispherical surface as shown in FIG. 10, and the hemispherical surface is divided into a plurality of segments, and in each segment, infrared rays coming from a specific direction in the room are collected at the center of the hemispherical surface.
  • a small Fresnel lens is formed, and the light receiving surface 411 of the infrared sensor 410 is arranged at the center of the hemispherical surface.
  • the infrared sensor 410 detects this when entering and exiting several detection spots.
  • the size of one detection spot at a position 6 m away from the infrared sensor 410 is approximately equal to the size of the human body (width 0.3 to 0.5 m, height was set to be 1.6 to 1.8 m).
  • the infrared detection device 14 comprises a left human detection sensor 140a, a right human detection sensor 140c, and an arithmetic control unit 132.
  • the left and right human detection sensors 140a, c are infrared sensors 410a, c, infrared sensors 410a, c.
  • a band pass filter for extracting human motion a comparator 131 for converting the output into a digital signal, the above-mentioned pedestal 415, a Fresnel lens 417 and the like.
  • the infrared sensors 410a, c in the human detection sensors 140a, c detect this movement and output a signal.
  • the outputs from the infrared sensors 410a and 410c are converted by the human detection sensors 140a and 140c into a form suitable for processing by the arithmetic control unit 132, read by the arithmetic control unit 132, and air conditioning according to the result of the arithmetic processing. Control of aircraft capacity, wind direction, etc. is performed.
  • the pyroelectric infrared sensors 410a and c output analog signals according to the presence of the environment and the human body and the activity of the human body, and are amplified by the amplifier 130.
  • a band pass filter extracts a signal near 1 Hz which is mainly included in human activity, and the comparator 131 removes minute signals and noises and converts the signal into a digitized activity pulse.
  • the signal converted into the active pulse is input from the read control port of the calculation control unit 132 to the calculation control unit 132, and is arithmetically processed.
  • the conditioned air is blown by the indoor blower fan 311 by directing or avoiding the vertical wind direction plates 291 and 292 and the left and right wind direction plates 295 to the area where it is determined that the human body is present.
  • FIG. 15 is a view showing the movement when a person enters the room.
  • 16 shows waveform output of the human detection sensor in the case of FIG. 15, (a) is an analog waveform of left infrared sensor output, (b) is a digital waveform of left human detection sensor output, and (c) is an analog of right infrared sensor output
  • the waveform (d) is a digital waveform of the right human detection sensor output.
  • FIG. 17 is a diagram showing divided detection areas of the human detection sensor.
  • the infrared sensor 410a of the person detection sensor 140a has an analog as shown in FIG. Output a signal.
  • the human detection sensor 140a processes this analog output with an amplifier 130, a comparator 131, etc. so as to output an active pulse (Hi pulse in the embodiment) when the absolute value of the analog output exceeds a certain level.
  • the digital waveform is converted to a digital waveform as shown in FIG. This digital waveform is read in a fixed cycle in the operation control unit 132 of the infrared detection device 14, and the number of times the active pulse is detected is counted.
  • the arithmetic control unit 132 determines that the left person detection sensor 140a has detected a person.
  • the infrared sensor 410c and the right person detection sensor 140c output signals as shown in FIGS. 16 (c) and 16 (d), and similarly, for example, when there is a person at positions R and S, the arithmetic control unit 132 It is determined that the detection sensor 140c has detected a person.
  • the predetermined time is set to 30 seconds, so entering the room
  • the reaction of only a few seconds between the movement and the movement does not make a judgment on the presence of people, but the reaction on the detection of the natural movement after the person stops the movement will determine the majority.
  • the predetermined time it is possible to greatly reduce the risk of determining that there is a person and performing unnecessary control when only passing.
  • an area where only the left person detection sensor 140a detects the detection area, an area where only the right person detection sensor 140c detects, and an area where the left and right person detection sensors 140a, c detect It can be divided into three.
  • the activity pulse is set to Hi pulse, but conversely, the output of the human detection sensor 140 when there is no person in the room is set to Hi and the output when the person is activated is set to Lo.
  • the number of times of detection of the activity pulse may be counted.
  • the infrared detection device 14 is attached to the indoor unit 2, and this detection area is lowered to the height of the floor and represented as shown in FIG. 17 for simplicity, and the human detection sensors 140a and 140c on the left and right sides of the room are independent as described above.
  • the detection areas 610A, C to be detected and the left and right human detection sensors 140a, c are divided into detection areas 610AC to be redundantly detected.
  • the area 610A may be abbreviated as (1), the area 610C as (2), and the area 610AC as (3).
  • FIG. 18 is an explanatory view of the region, (a) is the region of the sum of A and C, (b) is the region of the exclusive sum of A and C, (c) is the region of difference excluding A to C, (d) Is the difference area excluding A from A, and (e) is the area of the product of A and C.
  • the area in which it is estimated that a person is present from the output of the human detection sensor 140 is configured by the sum, exclusive sum, difference, or product of detection areas of the left and right human detection sensors 140a and c.
  • a detection area A of the left person detection sensor 140a is indicated by a symbol A
  • a detection area C of the right person detection sensor 140c is indicated by a symbol C as shown in FIG. 18A
  • the sum of the area A and the area C is shown in FIG. 18B
  • the shaded area in (d) and the product of the area A and the area C are defined as the hatched area in FIG. Such definitions can be easily analogized from group theory and easy to understand.
  • FIG. 19 is an explanatory view for dividing the detection area by the up and down wind direction plates.
  • FIG. 20 is a diagram showing a far area detection state by the up and down wind direction plates.
  • FIG. 21 is a state diagram of middle area detection by the up and down wind direction plates.
  • FIG. 22 is a state diagram of near region detection by the up and down wind direction plates.
  • the detection area is divided using the up and down wind direction plates 291 also in the room in the depth direction of the air conditioner.
  • the upper side vertical wind direction plate 291 has the function of guiding the blowout air flow to the upper enlargement portion 290e which is provided on the downstream side of the blowoff air passage 290 and which is expanded upward.
  • the upper upper and lower air flow direction plate 291 is pivoted to a position where the view of the human detection sensor 140 is partially blocked and stopped.
  • the position to stop the upper upper and lower wind direction plates 291 is, as shown in FIG. 19, at the position of the symbol i, j, k and m attached to the tip of the upper upper and lower wind direction plate 291 respectively. Call it like 491i, j, k, m.
  • the entire field of view of the human detection sensor 140 is hidden by the upper upper and lower wind direction plate 291, and it is not possible to detect the presence or absence of the occupant.
  • the detection range 591j can be detected at the upper upper and lower wind direction plate position 491j, and only the detection range 591k can be detected at the upper upper and lower wind direction plate position 491k.
  • the detection range 591 m the entire visual field can be detected at the upper side vertical wind direction plate position 491 m.
  • the upper and lower wind direction plates 291 are stopped at the upper and lower wind direction plate position 491j as shown in FIG. Detect presence or absence of occupancy. At this time, when a room occupant is detected, it is known that the room occupant is in the detection range 591 j.
  • the upper upper and lower wind direction plates 291 are stopped at the upper upper and lower wind direction plate position 491k, and the presence or absence of the occupant is detected by the human detection sensor 140.
  • the room occupant is detected, it is known that the room occupant is in a detection range 591k including the detection range 591j.
  • a person is not detected in the detection range 591j in the previous detection operation, it is known that a person is in a range excluding the detection range 591j from the detection range 591k.
  • the upper side upper and lower air direction plates 291 are stopped at the upper side upper and lower air direction plate position 491 m, and the presence or absence of the occupant is detected by the human detection sensor 140.
  • the human detection sensor 140 detects whether a room occupant is detected.
  • the room occupant is in a detection range 591 m including the detection range 591 k.
  • the detection range 591k is in the previous detection operation, it is known that there is a person in the range excluding the detection range 591k from the detection range 591m.
  • FIG. 23 is a sectional view of a detection area in the far and near direction by the up and down wind direction plate viewed in the vertical plane.
  • FIG. 24 is a sectional view of the detection area of the floor surface by the up and down wind direction plates.
  • FIG. 25 is a diagram showing divided detection areas by the left and right infrared sensors and the vertical wind direction plate.
  • the upper upper and lower wind direction plates 291 are stopped at the upper upper and lower wind direction plate position 491j as shown in FIG.
  • the visual field of the human detection sensor 140 is limited to the detection range 591j, so the occupant of the detection area 691J is detected.
  • the field of view of the human detection sensor 140 is expanded to the detection range 591k. It will detect the room person.
  • the field of view of the human detection sensor 140 is not blocked at all and spreads over the detection range 591 m.
  • the occupants of the detection areas 691J, K, and M are detected.
  • the above detection area is as shown in FIG. 24 when it is spread on the floor surface, and the detection area can be divided in the depth direction of the room.
  • the room is divided in the left and right direction using the plurality of human detection sensors 140a and 140c shown in FIG. 11 described above, and the room is divided in the front and rear direction using the upper upper and lower wind direction plate 291.
  • the room can be divided into nine areas of the cross detection area 710JA to MC in the front, back, left, and right to know the direction of the occupant and the depth range, and use this to control the air conditioner appropriately. can do.
  • the boundary of the detection area is placed at a position where the boundary of the detection area reaches the floor surface for the sake of simplicity, but in fact, the face and neck of a person who can easily detect the human detection sensor 140 Because of differences in position, whether a person is standing up, sitting in a chair, sitting on a floor, sleeping, etc., the boundary of the detection area can not be determined strictly. However, roughly speaking, it is possible to make divisions such as when people are far in the room, at medium positions, near, etc., and the air conditioning range of the air conditioner is mainly for the purpose. Because of the wide spread, even air conditioning according to the above-mentioned division can have sufficient effect.
  • FIG. 26 is a flowchart of the main part of the detection procedure.
  • FIG. 27 is an input signal count time chart.
  • the air conditioner estimates the position of a person in the room, and controls the air conditioner so as to achieve appropriate air conditioning according to the position.
  • FIG. 26 is a flowchart for determining the position of a person, and a method of estimating the position of a person with reference to this will be described below.
  • step S 1 the infrared detection device 14 enters a detection period of a predetermined time for detecting a person in the room, and as described above, the input signal from the person detection sensor 140 to the calculation control unit 132 is read at a predetermined cycle, The number of times the output of the medium is Hi is counted to determine the number of times of detection of the active pulse.
  • reading is performed for 30 seconds in a cycle of 10 ms, and when the input signal from the left human detection sensor 140a is Hi, the number of Hi times of the left human detection sensor is increased by one.
  • the left person detection sensor 140a and the right person detection sensor 140c are abbreviated as a left sensor and a right sensor.
  • the reading cycle is 10 ms in the embodiment, the appropriate range of this cycle changes depending on the resolution of the Fresnel lens and the moving speed of a person, and 50 ms when it is considered for indoor use at home. If it is the following cycle, there is no hindrance to detection of fast movement in the room. Even if the reading cycle is shorter than 10 ms, the accuracy of detecting human motion is almost the same as in the case of 10 ms cycle, and there is no problem in detecting human motion, but The amount is large, and shortening the cycle has no effect.
  • FIG. 28 shows the temporary area judgment method.
  • Figure 29 is the correspondence diagram A of the number of times of detection of activity pulse of the human detection sensor and the presence territory, (a) when absent, (b) when there are people in the left territory, (c) the person in the right territory Is the case.
  • FIG. 30 is a table showing temporary determination of the existing area.
  • FIG. 31 is an explanatory view of area selection in the case where both of the human detection sensors are present;
  • FIG. 31 (a) is an area (3), and
  • FIG. 31 (b) is an area (1) + (2) + (3). It is a case where there are people dispersed in).
  • Fig. 32 is a correspondence diagram B between the number of times of detection of activity pulse of human detection sensor and existing area B, when there are people concentrated in the central area, and when there are people dispersed in all areas. That's the case.
  • step S2 of FIG. 26 the number of detections of the activity pulse of each human detection sensor 140 is compared with the existing threshold as shown in FIG. 28, and when the number of detections of the activity pulse of the left human detection sensor 140a is greater than the existing threshold, It is determined that the left person detection sensor 140a detects a person, and the right person detection sensor 140c detects a person when the number of times of detection of the activity pulse of the right person detection sensor 140c is equal to or more than the existing threshold.
  • the existing threshold there is a person in the central region 610AC (ii) a person in the region 610A and the region 610C (iii) a person in the region 610A and the region 610AC (iv) a person in the region 610AC and the region 610C (v)
  • the left and right person detection sensors 140a, c detect the movement of the same person, so the left and right person detection sensors 140a, c show almost the same response as shown in FIG. 31 (a). Since the number of times of detection of the activity pulse is almost the same as the number of times of detection, when the difference in the number of times of detection of the activity pulse of the human detection sensors 140a and 140c on the left and right is less than the predetermined difference (s), as shown in FIG. An existing area where a person is present is taken as an area 610 AC.
  • the left and right person detection sensors 140a and 140c detect people, but the amount and time of movement of the people differ among individuals, As a matter of course, the results of detecting the motion of a plurality of different people are different, and the difference in the number of times of detection of the activity pulse becomes large. Therefore, when the difference in the number of times of detection of the activity pulse is equal to or more than the above-mentioned predetermined difference (s), the existing area where a person is present is set as an area 610A, an area 610AC, and an area 610C as shown in FIG.
  • the outputs of the left and right human detection sensors 140a and 140c in the detection section for a predetermined time are read at a constant cycle, the number of times of Hi is counted, the number of detections of the active pulse is determined, Determine the existence and presence of people.
  • the presence / absence of the person and the presence region are the absence of FIG. 29 (a), the region (1) of FIG. 29 (b), the region (2) of FIG. 29 (c) and the region (3) of FIG. And the region (1) + (2) + (3) in FIG. 32 (b).
  • (1), (2) and (3) are unit areas
  • (1) + (2) + (3) is a combination of a plurality of unit areas
  • (1) + (2), (1) + (3), (2) + (3), (1) + (2) + (3) are representative areas.
  • FIG. 33 is an explanatory view of a two-step estimation method.
  • a section from the start of the detection section described above to the start of the next detection section is referred to as a temporary determination section, and the presence / absence of a person determined in this detection section and the existing area are referred to as a temporary determination result.
  • the temporary determination section is repeated a predetermined number of times, and the final determination is performed according to the temporary determination results. That is, as shown in FIG. 33, there is a detection section of a predetermined time shorter than this in the temporary determination section, temporary determination is made from the detection result in the detection section, and final determination is made from the temporary determination result a predetermined number of times.
  • the final determination result reflects the detection result of a long time interval including the predetermined number of temporary determination sections, and the movement tendency of the person is captured in a long time, and the position where the person is present is reliably determined.
  • the air conditioner is controlled in accordance with the final determination result.
  • FIG. 26 shows a tentative judgment method for the size of the amount of activity, (a) when a person is in (1) or (2), (b) when a person is in (3), (c) a person Is in (1) + (2).
  • FIG. 35 shows the results of the provisional determination of the magnitude of the amount of activity, where (a) shows the case where a person is in a single area, and (b) shows the case where a person is in a plurality of areas or absent.
  • a stage of the magnitude of the amount of activity of the person in the room is determined.
  • Stages of the size of the amount of human activity in the room are divided into three stages of small, medium and large, and it is recommended to roughly determine as follows.
  • Stage "large" of the magnitude of activity People are dispersed in (1) + (2) + (3), are present, and the reaction is large. ⁇ People are moving widely.
  • Stage of "magnitude of activity” People are dispersed in (1) + (2) + (3), present, and less responsive.
  • ⁇ People are moving moderately in a wide range. Or A person is present in (1), (2) or (3) and is highly responsive.
  • ⁇ People are moving in a narrow range.
  • Stage "small" of the size of activity volume A person is present in (1), (2) or (3) and is less responsive. ⁇ People are moving moderately in a narrow range.
  • the size of the activity was divided into three stages, which are necessary for home air conditioners, taking into consideration the general building structure and the number of people in the room according to the area, and the required cooling and heating capacity. Since it is made to ask for simplicity, the large-scale state of the size of the active mass in which several people are moving in a large area is almost commensurate with the rated capacity of the air conditioner. On the other hand, there is a need for energy saving operation when the amount of activity is small, so the range for raising and lowering the set temperature is up to about 2 ° C. so that the comfort is not lost. From these facts, even if the activity level is divided into many stages, the change in the set temperature is subdivided, and the energy saving effect does not differ greatly. For this reason, it is realistic to divide the size of the amount of activity into about three stages so as not to complicate the control.
  • FIG. 34 (a) is the case where the existing area is (1) or (2), and when the number of times of detection of the activity pulse of either of the left and right human detection sensors 140a, c is less than the activity threshold 1 When the activity level is 1 or more, the activity magnitude level is "medium".
  • FIG. 34 (b) is the case where the existing area is (3), and when the average of the number of times of detection of the activity pulse of the human detection sensors 140a and 140c on the left and right is less than the activity threshold 1, When the activity amount threshold is 1 or more, the level of the activity amount is "medium".
  • 34C shows the case where the existing area is (1) + (2) + (3), and the sum of the number of times of detection of the activity pulse of the human detection sensors 140a and 140c on the left and right is less than the activity threshold 2
  • the stage of the magnitude of the amount of activity is "middle", and the level of the magnitude of the amount of activity is "large” when the level is 2 or more.
  • the stage of the size of the lowest activity is set, and the stage of the size of the activity is "small”.
  • FIG. FIG. 36 is a prompt decision method
  • (a) is a case where a person is in a single area
  • (b) is a case in which a person is in a plurality of areas.
  • FIG. 37 shows the result of the prompt decision determination.
  • FIG. 37 (a) shows the case where a person is in a single area
  • FIG. 37 (b) shows the case where a person is in a plurality of areas or absent.
  • step S3 of FIG. 26 it is determined whether or not the number of times of detection of the activity pulse in the temporary determination section matches the prompt decision condition.
  • the prompt decision condition is a condition for the area where a person is present to be clearly apparent from the result of one temporary determination, and the figure according to the above-mentioned temporary determination result of the presence and absence of the person and the existing area and the number of times of detection of the activity pulse. It is determined as shown in FIG.
  • FIG. 36 (a) shows the case where the existing area is (1), (2) or (3), and the number of times of detection of the activity pulse of either human detection sensor 140a or 140c on either side is greater than the existing threshold. If it exceeds, it is determined that the prompt decision condition is satisfied, and if it is less than the prompt decision threshold 1, it is determined that the prompt decision condition is not satisfied.
  • FIG. 36 (b) is the case where the existing area is (1) + (2) + (3), and the prompt decision threshold 2 in which the total of the number of times of detection of activity pulses of the human detection sensors 140a and 140c on the left and right is larger than prompt decision threshold 1 In the case where it exceeds, the prompt decision condition is satisfied, and in the case where the prompt decision threshold is less than 2, the prompt decision condition is not satisfied.
  • the existing area is (1), (2) or (3) according to the existing area and the number of times of detection of the activity pulse of the left and right human detection sensors 140a and c, as shown in FIG. Whether or not the prompt decision condition is met is required, and if the existing area is (1) + (2) + (3), it is sought whether the prompt decision condition is met as shown in FIG. 37 (b). In the case of absence, the prompt decision condition is not satisfied.
  • step S7 If the prompt decision condition is established, the process proceeds to step S4.
  • step S4 If it is determined in step S4 that the number of times of temporary determination execution has reached a predetermined number, the temporary determination is ended, and the process proceeds to step S5 to make a final determination, and it is determined whether all N temporary determination results are absent.
  • step S5 If all of the N provisional determination results in step S5 are absent, the process proceeds to step S6, and there is a high possibility that the room will be absent continuously, and the set temperature is largely changed to further enhance energy saving.
  • the energy saving operation control is performed, the process returns to step S1, and the next determination section is entered, and the detection operation in the first temporary determination section is performed.
  • step S5 If the temporary determination result of the existing area is one or more times in step S5, the process proceeds to step S8, and from the N temporary determination results and the last determination result of the previous time, the presence or absence of the present person and the size of the existing area and activity amount The final determination of the stage is performed, and the process proceeds to step S9.
  • step S3 If the prompt decision condition is satisfied in step S3, the provisional decision result of the temporary decision section in which the prompt decision condition is met in step S7 is adopted as the final decision result, and the process proceeds to step S9.
  • step S9 human detection is performed in the region division in the depth direction of the room using the upper side upper and lower air direction plates 291 as a shield plate of the infrared sensor 410, and the process proceeds to step S10.
  • step S10 as described later, the history of the existing area is updated, and the air conditioner is controlled according to the above-described final determination result, the human detection result in the depth direction, the history of the existing area, etc.
  • the detection operation in the first temporary judgment section is executed.
  • FIG. 38 is an explanatory view of repetitive control.
  • the final determination of the position of a person is normally performed for each determination section having a fixed time, and the control of the air conditioner is updated or maintained at each final determination.
  • N 4 in this embodiment
  • the human detection sensor 140 is detected during a detection interval of a predetermined time shorter than the temporary determination interval.
  • the output is read, and the read data is processed to make the above-mentioned tentative judgment.
  • the temporary determination is performed for each temporary determination section, and the final position of the person is determined according to the result of each temporary determination and the last final determination result.
  • the subsequent temporary determination section is omitted as shown by the dotted arrow in FIG.
  • the temporary determination result of the temporary determination section is adopted, and the final determination result is obtained.
  • the equipment to be controlled includes a compressor built in the air conditioner, a refrigerant circuit control device, a blower fan, left and right air direction plates, upper and lower air direction plates, display devices, etc., ventilation devices, air cleaning devices, deodorization
  • a compressor built in the air conditioner
  • refrigerant circuit control device a blower fan
  • left and right air direction plates upper and lower air direction plates
  • display devices etc.
  • ventilation devices air cleaning devices
  • deodorization There are various devices such as devices, electrostatic atomizers, anion generators, humidifiers, oxygen enrichment devices, intrusion detectors, etc.
  • operation / stop of devices change of capacity, heating / It is possible to switch between cooling and dehumidifying, change the direction of blowoff air, and threaten / alert / report when an intruder is detected.
  • a case having an air inlet and an air outlet, a heat exchanger disposed in the case, and room air drawn from the air inlet, the heat exchange And a plurality of indoor and outdoor air flow sensors, at least a first and a second infrared sensor, and a plurality of indoor and outdoor air flow direction plates provided in the air flow path of the air flow fan.
  • an infrared detection device for estimating presence or absence of a room occupant by The first and second infrared sensors are disposed such that portions of detection areas of the first and second infrared sensors overlap. According to the output of the signals of the first and second infrared sensors, it is determined whether only the area where the detection areas of the first and second infrared sensors overlap is the existing area.
  • the existing area is determined based on the output of the infrared sensor related to the overlapping area. It is determined by dividing it into the overlapping area or the area of the sum of the detection areas of all the infrared sensors, and air conditioning the room according to the existing area.
  • the pyroelectric infrared sensor shows a large response if there are many people in the detection area, and hardly responds in the absence.
  • the pyroelectric infrared sensor shows a large response if there are many people in the detection area, and hardly responds in the absence.
  • the number of divisions in the horizontal direction of a room of about 20 tatami at most will be sufficiently practical if there are only 3 areas. This is because the air conditioner has the capacity and the installation position so that it can air-condition the whole room, so there are people in (1), people in (2) and people in (3). In the state where it is, by directing the wind to the area where people are present, it is possible to save energy with some ability.
  • the ability to cool or heat the room can be adjusted, the humidity setting for dehumidification can be changed, or the occupant is not present, without increasing the number of human detection sensors.
  • Change the temperature setting to save energy when it lasts for a predetermined period of time, stop the air conditioner when there is a further absence, spot-air conditioning the existing area, or ventilate the existing area.
  • Control of the air conditioner such as increasing the air conditioning capacity, adjusting the intensity of the air flow, etc., without disturbing the human operator. It becomes an air conditioner with excellent operability and convenience, such as being able to automatically change and notify the display according to changes in operating conditions.
  • the air conditioner reads the activity pulse that is digitally output based on the output of the infrared sensor at a constant cycle, and counts the number of times of detection within a predetermined time, In the case where the number of times of detection based on the outputs of the first and second infrared sensors exceeds a presence threshold for determining presence or absence of a person, When the difference between the number of times of detection based on the outputs of the first and second infrared sensors is less than a predetermined value, the overlapping area is determined to be an existing area, When the difference between the number of times of detection based on the outputs of the first and second infrared sensors is equal to or more than a predetermined value, the detection area of the first and second infrared sensors is determined as the existing area.
  • each area is captured by the field of view (detection area) of one or more human detection sensors, and in response to the movement of a person in each area, an infrared sensor having a detection area related to the formation of the boundary of the area.
  • the output changes.
  • the output of the infrared sensor changes in response to the movement of a person, and the change in the output of the infrared sensor is captured, and pulses indicative of activity are output from each human detection sensor.
  • the presence or absence of the person in the room and the presence area can be determined by reading in a fixed cycle, counting the number of detections in a predetermined time, and analyzing.
  • the detection area of that infrared sensor is an area excluding the detection areas of other infrared sensors.
  • (1) or (2) is the area where people are present.
  • both infrared sensors detect the movement of the same person, so the infrared sensors show almost the same response, and the activity pulse output from both of the human detection sensors Since the number of times of detection of is also substantially the same, it can be determined that there is a person in (3) when the difference in the number of times of detection of activity pulses of both human detection sensors is less than a predetermined difference.
  • both infrared sensors There are differences in the amount of human movement among individuals, so the results of detecting the movement of multiple separate people will of course differ, and the detection of activity pulses output by both human detection sensors The difference in the number becomes large. Therefore, when the difference between the number of times of detection of the activity pulse of both human detection sensors is equal to or more than the above-mentioned predetermined difference, it is determined that a person is present in (1) + (2) + (3) as a representative.
  • the detection area of the other infrared sensor is excluded from the detection area of the first infrared sensor.
  • the determined area is determined to be an existing area.
  • all detection areas of the first and second infrared sensors are filled with unit areas (1), (2) and (3) which are constituent units of the area, and the presence or absence of human beings in each unit area Can be estimated individually.
  • FIG. 39 shows an example of the presence area determination
  • (b) shows the presence area weighting coefficient.
  • FIG. 40 shows an example of step determination of the magnitude of the amount of activity.
  • FIG. 41 shows an example of the step determination result of the size of the existing area and the amount of activity.
  • the ⁇ marks are present regions tentatively determined in each temporary determination section, and the parentheses indicate weighting points given to the present regions.
  • the presence or absence of the person of the air conditioner of the embodiment and the division of the existing area are absent as described above, and in five ways of (1), (2), (3), (1) + (2) + (3)
  • a point of ⁇ 1 is given to the first temporary determination result area (1)
  • a second temporary determination result area (3) is subjected to ⁇ 2 and 3 temporary determination result areas (1).
  • ⁇ 3 the region (1) + (2) of the 4th tentative determination result ⁇ 5 in the region 5
  • a point of ⁇ is given to the area (1) of the last final determination result.
  • the ⁇ marks indicate the stage of the magnitude of the amount of activity when the presence region in each temporary determination section is the same as the presence region ((1) in this example) finally determined. It is a weighting point given to the step of the magnitude of the activity.
  • the stage of the magnitude of the amount of activity in the area (1) which is the existing area of the above-described final determination result is determined.
  • the stage of the magnitude of the amount of activity is divided into three stages as described above, and the point of the magnitude of the amount of activity at the time of provisional determination where each temporary determination result of the existing area is the area (1) is weighted.
  • the provisional determination result of the existing area gives points to the division of the first, third, fifth,..., N-th activity magnitude of area (1).
  • the first time is "small” at the stage of the activity size " ⁇ 1”
  • the third time is " ⁇ 3" at the stage "small” of the activity size
  • the fifth is " ⁇ 5" at the stage of "activity" size ...
  • N give a point of ⁇ N to the stage “small” of the magnitude of the activity.
  • the sum of the points given for each division of the size of the activity size is calculated, and the size "small” of the size of the activity volume for which the sum of the given points is the maximum (27 points in this example) is this time It is finally determined that the stage of activity of the
  • the ⁇ marks are present areas temporarily determined in each temporary determination section, and the characters “middle” and “small” are stages of the magnitude of the amount of activity at the time of temporary determination, and the score is a weighting point It is.
  • the stage of the magnitude of the active mass is the largest in the area (1) at four points of the stage "medium” of the magnitude of the active mass in the provisional determination section 4, and the final assessment is made in the stage of the magnitude of the active mass Be done.
  • FIG. 42 is a perspective view.
  • FIG. 43 is an enlarged cross-sectional view of the vertical wind direction plate portion during the cooling and dehumidifying operation of the indoor unit.
  • the position of the upper upper and lower air direction plate 291 can be viewed from the human conditioner sensor 140 so as to look from the near position to the far position from the air conditioner. Away from it, it is placed at a close position, which is the upper vertical wind direction plate position 491 m in FIG. 19, to detect the presence or absence of a person in a detection range 591 m.
  • step S9 the position of the upper upper and lower wind direction plates 291 is placed at a distance between the upper upper and lower wind direction plates 491j and 491k in FIG. 19 and at an intermediate position to detect the presence or absence of a person in the detection range 591j and 591k.
  • step S8 when the final determination result is absent, the detection operation at the distant position and the middle position is omitted. This is to say that there are no people in the range from the near position to the far position, and it is useless to perform the detection operation in the depth direction.
  • step S8 If it is determined in step S8 that there is a person in the room, the upper upper and lower air direction plates 291 are rotated to a distant position to perform the detection operation. When a person is detected by the detection operation at a distant position, it is determined that a person is at a distance, and the detection operation at the next intermediate position is omitted.
  • the air conditioner air-conditions the room, and when there are people in the distance, it is necessary to air-condition so that the wind can reach far in order to air-condition so that the people in this distance are satisfied. Because people in the middle and in the vicinity also become air conditioning without complaints substantially, it becomes the same control regardless of whether there is a person in the middle or near, it is possible to omit the detection operation in the next middle position is there.
  • the detection operation at the middle position is performed. If a person is detected by the detection operation at the middle position, it is determined that there is a person in the middle, and if it is not detected by the detection operation at the middle position, it is determined that there is a person nearby .
  • the indoor blower fan 311, the vertical air flow direction plates 291, 292, etc. are controlled to an appropriate strength and direction according to the final judgment of the distant position to the near position where a person is present.
  • the upper and lower air flow direction plates 291 are substantially parallel to the upper wall 290a and the lower wall 290b of the air passage 290 as shown in FIG.
  • the refrigeration cycle of the air conditioner does not show a large change because of the heat capacity it holds, and the change of the cooling / dehumidifying capacity to the room is also not big.
  • the up and down wind direction is disturbed during this time, which slightly affects the occupants of the room, but because it has a short time, it is a light change equal to or less than the swing control of automatic wind direction plates generally performed. There is no inhibition of
  • the time other than the detection section in the temporary judgment section can be oriented in any direction or automatically rocked, which impairs convenience. There is no such thing.
  • FIG. 44 shows a method of determining the past existing area history, (a) shows an example of accumulated past data, and (b) shows an example of the order of areas where people are present.
  • step S10 the latest final determination results of the plurality of existing areas are accumulated, and the existing areas are ranked by the number of accumulations. This is because, as shown in FIG. 44A, every time the final determination result of the existing area is obtained, the oldest data of accumulated data of the final determination result of the existing area a plurality of times (255 times in the embodiment) Is discarded and this final judgment result is added and updated. Further, as shown in FIG. 44 (b), the number of accumulations is counted for each existing area, and the existing areas are ranked according to the number of accumulations, and the existing area with the largest number of accumulations is made first. At this time, the characteristic of this area may be said to be "a place always present". The area with the least number of times of accumulation is the fourth, and its characteristic may be called "a place not always present".
  • the air conditioner according to the embodiment accumulates the latest multiple determination results among the determination results of the presence and absence of the person and the presence region, and the number of times of determination as the presence region among the plurality of regions.
  • An internal device is controlled based on the order, the current presence / absence of a person, and the determination result of the present area.
  • the air conditioner of an Example sends air-conditioning air to the area
  • FIG. 45 is a change sequence of the wind direction.
  • FIG. 46 shows an example of energy saving control based on the level of the amount of activity.
  • FIG. 47 shows an example of air flow direction, (a): left corner air flow, (b): right corner air flow, (c): front air flow, (d): wide air flow.
  • control is performed to alternately repeat the spot air conditioning operation to direct the wind in the direction of the person and the air conditioning operation of the entire room sending the wind to a wide area of the room.
  • the time to receive the wind is set short, if you want to extend the time to hit the wind, shake the hand toward the air conditioner, etc. to make a large movement and omit the above-mentioned temporary judgment section In the final judgment of the existing area, the time to hit the wind can be extended. Conversely, if the time to receive the wind is set to a long time, it will hit the wind enough, so even if you want to go back to the air conditioning of the whole room, if you move away from the wind, it will detect the movement Then, the wind can not chase and escape, and the remote control can be operated to change the wind direction, or it can only endure and wait for the passage of time, which is inconvenient.
  • the wind may be directed to a direction other than the direction in which people are present.
  • the direction other than the direction in which people are present if the wind is directed to the area where the above-mentioned ranking is low next to the area where people are present, wind entrainment toward the next area or a wind that hits the wall Indirectly receiving soft wind such as reflection, comfort is maintained even when not directly receiving wind.
  • the energy saving operation is performed automatically according to the size of the activity amount by using the result of the size of the activity amount, so that control is performed to perform a balanced operation of comfort and energy saving. is there.
  • the set humidity is raised (by up to 15% in the embodiment) as the step of the magnitude of the activity amount becomes smaller.
  • the smaller the amount of activity and the smaller the calorific value of the human body, the higher the humidity, and the larger the calorific value of the human activity the smaller the width of the increased humidity to balance energy saving and comfort .
  • step S6 of FIG. 26 as absence energy saving operation control performed when absence continues, control according to the stage of the size of the largest activity amount during heating is performed, and the minimum activity during cooling and dehumidification If control is performed according to the stage of the magnitude of the amount, it is suitable for energy saving as standby air conditioning at the time of a relatively long seat of the occupant, and when the occupant returns, a short time from the standby air conditioning The room can be changed to a comfortable space, and the satisfaction of the occupants will not be impaired.
  • the absent energy saving operation control is performed when the absent time (second predetermined time) lasts for 20 minutes.
  • FIG. 47 shows an example of the wind direction when the indoor unit 2 is viewed from the top in the case of changing the wind direction according to the final determination result of the existing area, for example, when directing the wind direction to the area (1)
  • the left and right wind direction plates 295 are controlled, the area (2) is (b), the area (3) is (c), and the area (1) + (2) + (3) is (d) Control the left and right wind direction plates 295.
  • the air conditioner according to the embodiment alternately performs the operation of directing the conditioned air to the existing area and the operation of directing the conditioned air to the wide area, and directing the conditioned air to the existing area.
  • the time of driving operation is controlled to be shorter than the driving time of directing the conditioned air to a wide range.
  • the time to receive the wind is set to a long time, it will hit the wind enough, so even if you want to go back to the air conditioning of the whole room, if you move away from the wind, it will detect the movement Then, the wind can not chase and escape, and the remote control can be operated to change the wind direction, or it can only endure and wait for the passage of time, which is inconvenient.
  • the setting temperature is changed to a lower temperature during heating operation compared to the case where the activity amount of a person in the region determined to be the existing region is large, and is lower during cooling or dehumidifying operation. Change the set temperature to a higher level and operate.
  • the set temperature is lowered during the heating operation according to the large, medium, and small levels of the magnitude of the activity amount.
  • the set temperature corresponds to the case where the activity amount is largest during heating operation.
  • the descent amount is used, and during the cooling or dehumidifying operation, the set temperature is increased corresponding to the smallest amount of activity.
  • the energy saving operation is desired.
  • the values of these thresholds can be changed, the responsiveness of control is adjusted according to the user's intention, energy saving or satisfaction It can be enhanced.
  • the same effect can be obtained by storing the threshold in a removable storage device and changing the threshold by replacing the removable storage device. In this case, it goes without saying that it is possible to change the control corresponding to various environments other than the change of the threshold.
  • the existing threshold can be changed.
  • the threshold value is stored in the removable storage device or the storage device which can be rewritten from the operation unit, and the threshold value is changed by replacement of the removable storage device or rewriting of the rewritable storage device.
  • the detection sensitivity is degraded, frequent changes in operation of the air conditioner are suppressed, and if the threshold value is changed to a smaller value, the detection sensitivity is sharpened, and the air conditioner operation change.
  • the responsiveness of control can be adjusted according to the installation environment of an air conditioner, or a user's intention, and the energy saving or the air conditioner which raises satisfaction can be provided.
  • FIG. 48 is a detection range diagram of the infrared detection device of the second embodiment.
  • FIG. 49 is a diagram of detection area division of the detection device.
  • Fig. 50 shows the existing area estimation diagram of the detection device, (a) is a schematic view of the area division, (b) is the existing area when the difference between a and b is large, and (c) is the case where the difference between a and b is small It is a present area.
  • the number of infrared sensors 410 in the first embodiment is increased from two to three, and the left person detection sensor 140a, the middle person detection sensor 140b, and the middle person detection sensor 140b are adjacent to each other.
  • the detection ranges of the right person detection sensor 140c are partially overlapped, and the detection ranges of the left person detection sensor 140a and the right person detection sensor 140c at both ends are not overlapped.
  • FIG. 49 is a division diagram of the detection area in this case, and the detection area is increased from three areas to five areas in the first embodiment, and it is possible to more finely divide and detect the position where a person is present.
  • the temporary determination of the existing area when only one or two human detection sensors 140a to 140c detect a person may be performed in the same manner as in the first embodiment.
  • FIG. 50 shows the relationship between the number of times of detection of activity pulses and the existing area when all three human detection sensors 140a to 140c detect a human.
  • the detection frequency of the activity pulse of the left person detection sensor 140a is a
  • the detection frequency of the activity pulse of the middle person detection sensor 140b is b
  • the detection frequency of the activity pulse of the right person detection sensor 140c is c.
  • the area 610A is represented by A
  • the detection area 610AB is represented by AB
  • the detection area 610B is represented by B
  • the detection area 610BC is represented by BC
  • the detection area 610C is represented by C.
  • the difference between a and b is predetermined by provisionally determining the existing area in the same way as in the first embodiment for each of the three human detection sensors 140a to 140c.
  • the existing area is A + B + C + AB + BC when the difference between b and c exceeds the predetermined difference s
  • the existing area is A + B + AB + BC when the difference between b and c is less than the predetermined difference s.
  • the existing region is made B + C + AB + BC when the difference between b and c exceeds the predetermined difference s, and the difference between b and c is When the predetermined difference s or less, the existing region is AB + BC.
  • the area where people are present can be further subdivided to control the air conditioner as in the first embodiment.
  • FIG. 51 is a schematic view of a detection area of the infrared detection device of the third embodiment.
  • FIG. 52 is a diagram of detection area division of the detection device.
  • Fig. 53 is an estimation diagram of the existing area of the detection device, (a) is a schematic view of the area division, (b) is an existing area when the difference between a and b is large, and (c) is a case where the difference between a and b is small It is a present area.
  • the arrangement of the human detection sensors 140a to 140c of the second embodiment is changed, and the left human detection sensor 140a, the middle human detection sensor 140b, the middle human detection sensor 140b, and the right human are adjacent.
  • the detection range of the detection sensor 140c is partially overlapped, and the detection ranges of the left person detection sensor 140a and the right person detection sensor 140c at both ends are also partially overlapped, and all the human detection sensors 140a to 140c are further included.
  • the detection ranges of are also arranged so as to partially overlap.
  • the direction of the central axis of the central human detection sensor 140b is lower than the direction of the central axes of the left and right human detection sensors 140a and 140c at both ends, and the central human detection sensor 140b It is possible to focus on the area close to the area, and the central area where the wind is easy to go.
  • FIG. 52 is a division diagram of the detection area in this case, and the detection area is increased from 5 areas to 7 areas in the second embodiment, and it is possible to more finely divide and detect the position where a person is present.
  • the temporary determination of the existing area when only one or two human detection sensors 140a to 140c detect a person may be performed in the same manner as in the first embodiment.
  • FIG. 53 shows the relationship between the number of times of detection of activity pulses and the existing area when all three human detection sensors 140a to 140c detect a human.
  • the same abbreviations as in the second embodiment are given, and the detection area 610AC is represented by AC, and the detection area 610ABC is represented by ABC.
  • the difference between a and b is predetermined by provisionally determining the existing area in the same way as in the first embodiment for each of the three human detection sensors 140a to 140c.
  • the difference between b and c exceeds the predetermined difference s
  • the difference between b and c is less than the predetermined difference s
  • the difference between c and a exceeds the predetermined difference s.
  • the existing region is A + B + AB + BC + AC + ABC when the difference between c and a is equal to or less than the predetermined difference s.
  • the existing area is the whole area A + B + C + AB + BC + AC + ABC.
  • the existing region is B + C + AB + BC + AC + ABC when the difference between c and a is less than the predetermined difference s.
  • the existing region is determined as A + C + AB + BC + AC + ABC when the difference between c and a exceeds the predetermined difference s.
  • the existing region is AB + BC + AC + ABC when the difference between c and a is less than or equal to the predetermined difference s.
  • the area where people are present can be further subdivided to control the air conditioner as in the first embodiment.
  • FIG. 54 is a schematic view of a vertical air conditioner.
  • the present invention is not limited to this, and an air conditioner equipped with left and right wind direction plates and up and down wind direction plates
  • the blower fan is not limited to the cross flow fan but may be a turbo fan, a sirocco fan, a propeller fan or the like, and the form is not limited to the wall hanging type.
  • the present invention can be applied regardless of the type of ceiling installation type, floor installation type, window installation type, etc., partially shielding the field of view of the infrared sensor with either or both of the left and right wind direction boards and the vertical wind direction boards, By performing the human detection operation, it is possible to estimate the presence or absence of the room occupant and the position of the room occupant.
  • the present invention can be applied to an air conditioner as shown in FIG. 54 in which the cross flow fan is installed in the vertical direction, and in this case, the detection in the left and right direction is performed by changing the position of the left and right wind direction plates.
  • the same effect can be realized by adding ingenuity such as performing detection with infrared sensors arranged vertically.
  • the case having the air inlet and the air outlet, the heat exchanger disposed in the case, and the indoor air as the air inlet
  • a blower fan which sucks more and blows out from the air outlet through the heat exchanger, left and right air direction plates provided in the air outlet of the air fan, upper and lower air direction plates, and at least first and second infrared sensors
  • an infrared detection device that divides the room into a plurality of areas to estimate the presence or absence of a room occupant
  • the first and second infrared sensors are disposed such that portions of detection areas of the first and second infrared sensors overlap. According to the output of the signals of the first and second infrared sensors, it is determined whether only the area where the detection areas of the first and second infrared sensors overlap is the existing area.
  • the existing area is determined based on the output of the infrared sensor related to the overlapping area. It is determined by dividing it into the overlapping area or the area of the sum of the detection areas of all the infrared sensors, and air conditioning the room according to the existing area.
  • the pyroelectric infrared sensor shows a large response if there are many people in the detection area, and hardly responds in the absence.
  • the pyroelectric infrared sensor shows a large response if there are many people in the detection area, and hardly responds in the absence.
  • the number of divisions in the horizontal direction of a room of about 20 tatami at most will be sufficiently practical if there are only 3 areas. This is because the air conditioner has the capacity and the installation position so that it can air-condition the whole room, so there are people in (1), people in (2) and people in (3). In the state where it is, by directing the wind to the area where people are present, it is possible to save energy with some ability.
  • the ability to cool or heat the room can be adjusted, the humidity setting for dehumidification can be changed, or the occupant is not present, without increasing the number of human detection sensors.
  • Change the temperature setting to save energy when it lasts for a predetermined period of time, stop the air conditioner when there is a further absence, spot-air conditioning the existing area, or ventilate the existing area.
  • Control of the air conditioner such as increasing the air conditioning capacity, adjusting the intensity of the air flow, etc., without disturbing the human operator. It becomes an air conditioner with excellent operability and convenience, such as being able to automatically change and notify the display according to changes in operating conditions.
  • the activity pulse digitally output based on the output of the infrared sensor is read at a constant cycle, and the number of times of detection within a predetermined time is counted.
  • the number of times of detection based on the outputs of the first and second infrared sensors exceeds a presence threshold for determining presence or absence of a person.
  • the overlapping area is determined to be an existing area
  • the detection area of the first and second infrared sensors is determined as the existing area.
  • each area is captured by the field of view (detection area) of one or more human detection sensors, and in response to the movement of a person in each area, an infrared sensor having a detection area related to the formation of the boundary of the area.
  • the output changes.
  • the output of the infrared sensor changes in response to the movement of a person, and the change in the output of the infrared sensor is captured, and pulses indicative of activity are output from each human detection sensor.
  • the presence or absence of the person in the room and the presence area can be determined by reading in a fixed cycle, counting the number of detections in a predetermined time, and analyzing.
  • the detection area of that infrared sensor is an area excluding the detection areas of other infrared sensors.
  • (1) or (2) is the area where people are present.
  • both infrared sensors detect the movement of the same person, so the infrared sensors show almost the same response, and the activity pulse output from both of the human detection sensors Since the number of times of detection of is also substantially the same, it can be determined that there is a person in (3) when the difference in the number of times of detection of activity pulses of both human detection sensors is less than a predetermined difference.
  • both infrared sensors There are differences in the amount of human movement among individuals, so the results of detecting the movement of multiple separate people will of course differ, and the detection of activity pulses output by both human detection sensors The difference in the number becomes large. Therefore, when the difference between the number of times of detection of the activity pulse of both human detection sensors is equal to or more than the above-mentioned predetermined difference, it is determined that a person is present in (1) + (2) + (3) as a representative.
  • the detection range of the first infrared sensor from the other infrared sensors is determined as the existing area.
  • all detection areas of the first and second infrared sensors are filled with unit areas (1), (2) and (3) which are constituent units of the area, and the presence or absence of human beings in each unit area Can be estimated individually.
  • the latest plural determination results among the determination result of the presence / absence of the person and the presence region are accumulated, and it is determined as the presence region among the plurality of regions.
  • An upper device is ranked in descending order of the number of times, and the internal device is controlled based on the above-mentioned order, the presence or absence of the present person, and the determination result of the existing area.
  • conditioned air is sent to the area
  • the operation of sending the conditioned air to the existing area and the operation of sending the conditioned air to the wide area alternately are performed, and the conditioned air is supplied to the existing area.
  • the time of operation for directing is controlled to be shorter than the operation time for directing the conditioned air widely.
  • the time to receive the wind is set to a long time, it will hit the wind enough, so even if you want to go back to the air conditioning of the whole room, if you move away from the wind, it will detect the movement Then, the wind can not chase and escape, and the remote control can be operated to change the wind direction, or it can only endure and wait for the passage of time, which is inconvenient.
  • the set temperature is changed to a lower value during the heating operation as compared with the case where it is small. At the time of dehumidification operation, change the setting temperature to high and operate.
  • the set temperature is lowered during the heating operation according to the large, medium, and small levels of the magnitude of the activity amount.
  • slightly lower slightly increase the set temperature during cooling operation, raise slightly, increase slightly, set humidity slightly during dehumidification, slightly increase, slightly increase, to save energy and increase or decrease the amount of activity Drive with consideration for comfort.
  • the air conditioner of claim 8 when the number of times of detection of the activity pulse is less than the existing threshold continues for a second predetermined time, it corresponds to the case where the activity amount is largest during heating operation. In the cooling or dehumidifying operation, the amount of increase in the set temperature corresponds to the case where the amount of activity is the smallest.
  • the said existing threshold value can be changed.
  • the threshold value is stored in the removable storage device or the storage device which can be rewritten from the operation unit, and the threshold value is changed by replacement of the removable storage device or rewriting of the rewritable storage device.
  • the detection sensitivity is degraded, frequent changes in operation of the air conditioner are suppressed, and if the threshold value is changed to a smaller value, the detection sensitivity is sharpened, and the air conditioner operation change.
  • the responsiveness of control can be adjusted according to the installation environment of an air conditioner and a user's intention, and the air conditioner which can improve energy saving or satisfaction can be obtained.
  • the block diagram of the air conditioner of an Example Sectional drawing of the indoor unit of the air conditioner. Sectional drawing of the outdoor unit of the air conditioner. The refrigerant circuit figure of the air conditioner. Sectional drawing at the time of cooling / dehumidification operation of the indoor unit. Sectional drawing at the time of the heating operation of the same indoor unit.
  • the external appearance perspective view of the indoor unit The appearance perspective view which opened the up-and-down wind direction board of the indoor unit.
  • the block diagram of the infrared detection apparatus incorporated in the same indoor unit.
  • FIG. Explanatory drawing which divides a detection area by the same up-and-down wind direction board.
  • FIG. 8 is a detection range diagram of the infrared detection device of the second embodiment.
  • FIG. 10 is a schematic view of a detection area of the infrared detection device of the third embodiment.

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* Cited by examiner, † Cited by third party
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EP2813773A1 (en) * 2013-06-12 2014-12-17 Samsung Electronics Co., Ltd. Air conditioner and control method thereof
WO2016012625A1 (fr) 2014-07-25 2016-01-28 Société Muller & Cie Dispositif de détection rétractable pour un appareil à fixation murale

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Publication number Priority date Publication date Assignee Title
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CN114838489B (zh) * 2022-04-24 2023-06-23 广东鸿禾智能环境科技有限公司 一种基于位置检测的智能家居空调控制系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0278848A (ja) * 1988-09-14 1990-03-19 Sharp Corp 空気調和装置
JPH02213635A (ja) * 1989-02-13 1990-08-24 Mitsubishi Electric Corp 空気調和装置
JPH05187682A (ja) * 1991-11-14 1993-07-27 Mitsubishi Electric Corp 空気調和機の制御装置及び人体検知センサー及び空気調和機
JPH06323599A (ja) * 1993-05-18 1994-11-25 Sharp Corp 空気調和装置
JPH07103551A (ja) * 1993-10-08 1995-04-18 Mitsubishi Electric Corp 空気調和機の制御装置
JPH0875216A (ja) * 1994-08-31 1996-03-19 Sharp Corp 空気調和機の人体検知方法
JP2000230737A (ja) * 1999-02-05 2000-08-22 Sanyo Electric Co Ltd 空気調和機

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3807305B2 (ja) * 2001-12-28 2006-08-09 ダイキン工業株式会社 空気調和機
DE102004005059A1 (de) * 2004-02-01 2005-08-18 Martin Seeger Verfahren zur energiesparenden Heizungsregelung mit Personenerkennung
CN1603704A (zh) * 2004-11-05 2005-04-06 鲁舜 一种分区温控和智能分级换气的空调

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0278848A (ja) * 1988-09-14 1990-03-19 Sharp Corp 空気調和装置
JPH02213635A (ja) * 1989-02-13 1990-08-24 Mitsubishi Electric Corp 空気調和装置
JPH05187682A (ja) * 1991-11-14 1993-07-27 Mitsubishi Electric Corp 空気調和機の制御装置及び人体検知センサー及び空気調和機
JPH06323599A (ja) * 1993-05-18 1994-11-25 Sharp Corp 空気調和装置
JPH07103551A (ja) * 1993-10-08 1995-04-18 Mitsubishi Electric Corp 空気調和機の制御装置
JPH0875216A (ja) * 1994-08-31 1996-03-19 Sharp Corp 空気調和機の人体検知方法
JP2000230737A (ja) * 1999-02-05 2000-08-22 Sanyo Electric Co Ltd 空気調和機

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2813773A1 (en) * 2013-06-12 2014-12-17 Samsung Electronics Co., Ltd. Air conditioner and control method thereof
US9657743B2 (en) 2013-06-12 2017-05-23 Samsung Electronics Co., Ltd. Air conditioner and control method thereof
CN103398452A (zh) * 2013-07-31 2013-11-20 Tcl空调器(中山)有限公司 空调器以及空调器的控制方法
CN103398452B (zh) * 2013-07-31 2017-07-28 Tcl空调器(中山)有限公司 空调器以及空调器的控制方法
WO2016012625A1 (fr) 2014-07-25 2016-01-28 Société Muller & Cie Dispositif de détection rétractable pour un appareil à fixation murale
FR3024211A1 (fr) * 2014-07-25 2016-01-29 Muller & Cie Soc Dispositif a fixation murale dote d'un capteur de presence retractable

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KR20110057205A (ko) 2011-05-31
CN102171517A (zh) 2011-08-31
JP2010091142A (ja) 2010-04-22

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