WO2016139729A1 - 空気調和機の室内機 - Google Patents

空気調和機の室内機 Download PDF

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Publication number
WO2016139729A1
WO2016139729A1 PCT/JP2015/056114 JP2015056114W WO2016139729A1 WO 2016139729 A1 WO2016139729 A1 WO 2016139729A1 JP 2015056114 W JP2015056114 W JP 2015056114W WO 2016139729 A1 WO2016139729 A1 WO 2016139729A1
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WO
WIPO (PCT)
Prior art keywords
air
infrared sensor
outlet
plate
rectifying plate
Prior art date
Application number
PCT/JP2015/056114
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
代田　光宏
淳一 岡崎
薦正 田辺
平川　誠司
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to CN201580076429.1A priority Critical patent/CN107250682B/zh
Priority to EP15871293.5A priority patent/EP3104092B1/en
Priority to SG11201704709WA priority patent/SG11201704709WA/en
Priority to JP2017503232A priority patent/JP6317030B2/ja
Priority to US15/532,541 priority patent/US20170336083A1/en
Priority to RU2017125457A priority patent/RU2664220C1/ru
Priority to TR2016/16931T priority patent/TR201616931T1/tr
Priority to PCT/JP2015/056114 priority patent/WO2016139729A1/ja
Publication of WO2016139729A1 publication Critical patent/WO2016139729A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy
    • F24F2120/12—Position of occupants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy
    • F24F2120/14—Activity of occupants

Definitions

  • the present invention relates to an indoor unit of an air conditioner that suppresses erroneous recognition of an infrared sensor.
  • Conventional air conditioner indoor units are known in which a sensor for detecting the state of a human body or the like is arranged at one of the left and right ends of the front portion of a casing (for example, a patent) Reference 1).
  • conditioned air from the air outlet may hit the vicinity of the sensor.
  • the temperature of the object or the position of the human body is detected by the sensor that has been struck by the conditioned air or the sensor that has been struck by the case where the conditioned air is provided with the sensor, There was a problem of the possibility of recognition.
  • This invention is for solving the said subject, and it aims at providing the indoor unit of the air conditioner which suppresses that conditioned air hits the infrared sensor vicinity.
  • An indoor unit of an air conditioner includes a suction port provided in an upper part, a blower outlet provided in a lower front part, a housing having a heat exchanger and a fan arranged therein, and the blower outlet.
  • a left and right wind direction plate that varies the air from the air outlet in the left-right direction; a vertical air direction plate that is disposed at the air outlet and varies the air from the air outlet in the vertical direction;
  • An infrared sensor disposed at one end of the direction next to the left and right ends of the air outlet of the housing, and the end of the left and right wind direction plate on the arrangement side of the infrared sensor and the infrared sensor And a rectifying unit that rectifies air from the air outlet.
  • the conditioned air from the outlet is provided by including the rectifying unit disposed between the end of the left and right wind direction plates on the arrangement side of the infrared sensor and the infrared sensor. Blows out in a direction avoiding the infrared sensor, so that conditioned air can be prevented from hitting the vicinity of the infrared sensor.
  • FIG. 1 is a perspective view showing an indoor unit 1 of an air conditioner according to Embodiment 1 of the present invention.
  • the indoor unit 1 of an air conditioner is configured by connecting an inverter-driven compressor, a four-way valve, a condensing side heat exchanger, a pressure reducing device, and an evaporation side heat exchanger that can control the rotation speed.
  • This is a wall-mounted indoor unit capable of cooling and heating cycle operation.
  • an indoor unit 1 of an air conditioner includes a main body 2 that is a casing that constitutes the indoor unit 1, a panel 3 that constitutes the indoor unit 1, and a design surface that constitutes the indoor unit 1. And a grill 4.
  • the indoor unit 1 of an air conditioner is provided with an air inlet 22 provided in the upper part of the main body 2 and an internal heat exchanger (not shown) provided in the lower front part of the main body 2 from the inlet 22.
  • An air outlet 23 that passes through and is blown out by a cross-flow fan (not shown).
  • the indoor unit 1 of an air conditioner is disposed at the air outlet 23, and is disposed at the air outlet 23 and the right and left wind direction plates 7a and 7b that change the direction of the wind blown from the air outlet 23 in the left and right direction of the living space.
  • the up-and-down wind direction plates 8a and 8b that change the direction of the wind blown from the outlet 23 in the height direction (vertical direction) of the living space, the nozzle 28 that constitutes the outlet 23, the indoor floor temperature, and the wall surface temperature
  • an infrared sensor 35 for measuring the position of the human body and the activity state of the human body.
  • the infrared sensor 35 is disposed at one end on the right side of the main body 2 in the left-right direction in the left-right direction and adjacent to the air outlet 23 of the main body 2 in the left-right direction.
  • the structure provided with the crossflow fan in the downstream of the heat exchanger is demonstrated here, you may provide another fan, for example, a propeller fan.
  • the structure provided with another fan, for example, a propeller fan, in the upstream of a heat exchanger may be sufficient.
  • FIG. 2 is an external view showing the nozzle 28 of the indoor unit 1 of the air conditioner according to Embodiment 1 of the present invention.
  • the nozzle 28 which comprises the blower outlet 23 changes the direction of the right-and-left wind direction board 7a, 7b which changes the direction of the wind which blows off into the living space from the blower outlet 23 in the left-right direction, and the left-right wind direction board 7a.
  • the left and right wind direction plate driving motor 25b driven when changing the direction of the left and right wind direction plate 7b, and the direction of the vertical wind direction plate 8a.
  • An up / down air direction plate driving motor 24a to be driven and an up / down air direction plate driving motor 24b to be driven when changing the direction of the up / down air direction plate 8b are provided.
  • the left and right wind direction plates 7a and 7b and the up and down wind direction plates 8a and 8b are respectively provided with independent drive motors 25a, 25b, 24a and 24b, the floor temperature, the wall surface temperature, the position of the human body measured by the infrared sensor 35, Depending on the activity state of the human body, for example, when there are people in two places in the room, the left and right wind direction plates 7a and 7b and the upper and lower wind direction plates 8a and 8b are separated from the outlet 23 on the left and right sides. By blowing out airflows with different wind directions, it is possible to perform air conditioning at two locations.
  • the vertical wind direction plates 8a and 8b that are driven independently on the left and right sides are installed, but a single vertical wind direction plate that is not divided on the left and right sides may be used.
  • the left and right wind direction plates 7a and 7b that are driven independently on the left and right sides are installed.
  • one left and right wind direction can be obtained by connecting the left and right wind direction plates 7a and 7b with a link mechanism. It may be driven by a plate driving motor. Moreover, it is good also as a structure which can change the direction of the left-right direction manually instead of a motor.
  • FIG. 3 is a block diagram showing the configuration of the control device 12 of the indoor unit 1 of the air conditioner according to Embodiment 1 of the present invention.
  • the control device 12 shown in FIG. 3 is composed of, for example, a microcomputer and is built in the indoor unit 1.
  • the control device 12 includes an input unit 12a, a CPU 12b that executes arithmetic processing, determination processing, and the like, a memory 12c that stores various control setting values and control programs according to operation modes such as cooling and heating, and a CPU 12b.
  • an output unit 12d that outputs drive signals corresponding to the output information of the calculation results and the determination results to the motors 25a, 25b, 24a, and 24b.
  • the input unit 12a receives operation information (operation mode, set temperature, set humidity, air volume setting, wind direction setting, etc.) from the remote controller 11 and inputs it to the CPU 12b. Further, the input unit 12a receives the temperature information of the indoor space detected by the infrared sensor 35 rotated to the left and right and the detected temperature (room temperature) of a room temperature thermistor (not shown) built in the main body 2 to the CPU 12b. input. In this case, the CPU 12b compares the temperature information (the temperature distribution of the indoor space) based on the room temperature with the control setting value stored in the memory 12c, and the indoor floor temperature, wall surface temperature, human body position, human body position, Get information about activity status.
  • operation information operation mode, set temperature, set humidity, air volume setting, wind direction setting, etc.
  • the rotational speed (air volume) of the fan motor 6a is controlled by the drive signal output from the output unit 12d, and the rotational angles of the left and right right and left wind direction plate driving motors 25a and 25b are controlled. Further, the rotation angles of the left and right up / down wind direction plate driving motors 24a, 24b are controlled by the drive signal from the output unit 12d.
  • FIG. 4 is an enlarged view showing the periphery of the infrared sensor 35 of the indoor unit 1 of the air conditioner according to Embodiment 1 of the present invention.
  • the infrared sensor 35 is covered by the case 36 of the main body 2 and protrudes from the design surface of the main body 2 together with the case 36.
  • the infrared sensor 35 is arrange
  • the infrared sensor 35 is rotated by a motor (not shown) and can acquire temperature information of the indoor space over a wide range.
  • a large rectifying plate 41 and a small rectifying plate 43 are provided on the upper and lower wind direction plates 8b as rectifying portions on the upper surface facing the infrared sensor 35 when the upper and lower wind direction plates 8b are opened during operation.
  • the large rectifying plate 41 and the small rectifying plate 43 are disposed between the end portions of the left and right wind direction plates 7 b on the arrangement side of the infrared sensor 35 and the infrared sensor 35.
  • the large rectifying plate 41 and the small rectifying plate 43 are erected on the upper surface of the vertical airflow direction plate 8 b so as to block the plate surface vertically upward in the left-right direction of the air outlet 23.
  • the large rectifying plate 41 is provided at the end portion (the right end portion in FIG. 4) of the up / down airflow direction plate 8b on the infrared sensor 35 side of the small rectifying plate 43.
  • the large rectifying plate 41 also serves as a bearing portion 44 that receives the output shafts of the up / down air direction plate 8b and the up / down air direction plate driving motor 24b.
  • the large rectifying plate 41 also serves as the bearing portion 44, the strength of the bearing portion 44 can be increased, and the amount of resin used can be reduced as compared with the case where the large rectifying plate 41 is provided separately. .
  • FIG. 5 is a side view showing an operation stop state of the indoor unit 1 of the air-conditioning apparatus according to Embodiment 1 of the present invention. As shown in FIG. 5, the large current plate 41 is sized to fit on the side surface of the indoor unit 1 when operation is stopped.
  • an upper rectifying plate 42 is provided on the upper surface of the outlet 23 as a rectifying unit.
  • the upper rectifying plate 42 is disposed between the end portions of the left and right wind direction plates 7 b on the arrangement side of the infrared sensor 35 and the infrared sensor 35.
  • the upper rectifying plate 42 is erected on the upper surface of the air outlet 23 so that the plate surface is vertically downward and shields the left and right direction of the air outlet 23.
  • two large rectifying plates 41 and two small rectifying plates 43 are provided on the upper and lower airflow direction plates 8 b, and one upper rectifying plate 42 is provided on the upper surface of the outlet 23.
  • the upper rectifying plate 42 is disposed between the two large rectifying plates 41 and the small rectifying plate 43 provided on the up / down airflow direction plate 8b. That is, the large rectifying plate 41, the small rectifying plate 43, and the upper rectifying plate 42 are all located between the end of the left and right wind direction plate 7 b on the side where the infrared sensor 35 is disposed and the infrared sensor 35.
  • the large rectifying plate 41, the small rectifying plate 43, and the upper rectifying plate 42 are arranged in the order of the large rectifying plate 41, the upper rectifying plate 42, and the small rectifying plate 43 from the infrared sensor 35 side.
  • a pseudo air passage portion 45 is provided.
  • the pseudo air passage portion 45 covers a part of the opening of the air outlet 23 with a cover.
  • the pseudo air passage portion 45 has a side wall surface of the air passage in the vicinity because the side wall surface of the air passage is not in the vicinity when the left and right wind direction plates 7b are directed to the right side in the figure. Compared to the case, the airflow can be sent to the right side.
  • FIG. 6 is a side view showing a horizontal blowing operation state of the indoor unit 1 of the air conditioner according to Embodiment 1 of the present invention.
  • FIG. 7 is a schematic diagram showing the flow of airflow in the vicinity of the air outlet 23 during the horizontal blowing operation of the indoor unit 1 of the air conditioner according to Embodiment 1 of the present invention.
  • FIG. 8 is an enlarged view showing the flow of airflow around the infrared sensor 35 during the horizontal blowing operation of the indoor unit 1 of the air conditioner according to Embodiment 1 of the present invention.
  • the vertical wind direction plate 8b is generally horizontal blowing, and the left and right wind direction plate 7b is operating toward the right side (infrared sensor 35 side) shown in FIGS.
  • the conditioned air exiting from the outlet 23 is directed to the right side shown in FIGS. 7 and 8 by the left and right wind direction plates 7b.
  • the conditioned air is divided into two airflows that flow on the lower surface of the vertical airflow direction plate 8b that does not face the infrared sensor 35 and the upper surface on the opposite side.
  • the conditioned air flowing on the lower surface of the upper and lower wind direction plate 8b that does not face the infrared sensor 35 flows to the indoor space at an angle bent by the left and right wind direction plate 7b.
  • the conditioned air flowing on the upper surface of the vertical airflow direction plate 8b on the side facing the infrared sensor 35 is partially drifted in the front direction by the small current plate 43 provided on the vertical airflow direction plate 8b.
  • the conditioned air flowing above 43 flows to the infrared sensor 35 side.
  • the conditioned air that has flowed from the upper side of the small rectifying plate 43 toward the infrared sensor 35 is partly drifted in the front direction by the upper rectifying plate 42 provided on the upper surface (nozzle 28) of the suction port 22, and the upper rectifying plate.
  • the conditioned air flowing below 42 flows to the infrared sensor 35 side.
  • the conditioned air that has flowed from the lower side of the upper rectifying plate 42 toward the infrared sensor 35 side is biased in the front direction by the large rectifying plate 41 that shields the air path on the upper surface side of the upper and lower airflow direction plate 8b.
  • the conditioned air that flows toward the infrared sensor 35 in the order of the small rectifying plate 43, the upper rectifying plate 42, and the large rectifying plate 41 has the three small rectifying plates 43, the upper rectifying plate 42, and the large rectifying plate 41 in the vertical direction.
  • the flow resistance at the time of passing through the maze structure constructed by staggering is increased as it goes to the infrared sensor 35 side, and gradually drifts in the front direction. And drifted.
  • the small rectifying plate 43 has a rectifying effect, but if it is enlarged, it causes condensation on the negative pressure surface side during cooling operation. Therefore, the small rectifying plate 43 is formed small and causes a leakage flow toward the infrared sensor 35 side.
  • the conditioned air in the vicinity of the infrared sensor 35 at the outlet 23 is rectified in the front direction by the three small rectifying plates 43, the upper rectifying plate 42 and the large rectifying plate 41, so that the conditioned air is the infrared sensor 35 and the infrared sensor. It is possible to avoid directly hitting the case 36 covering 35.
  • the conditioned airflow from the outlet 23 touches the case 36 covering the infrared sensor 35, and the temperature in the case 36 is different from the room temperature, and the conditioned air coming out of the outlet 23 is different. It changes with the fluctuation of air temperature. For this reason, the amount of infrared rays detected by the infrared sensor 35 is not accurate due to being disturbed by the temperature of the case 36, and the infrared sensor 35 obtains information on the floor temperature, the wall surface temperature, the position of the human body, and the activity state of the human body. It becomes impossible to obtain accurately.
  • the conditioned air near the infrared sensor 35 at the outlet 23 is rectified in the front direction by the small rectifying plate 43, the upper rectifying plate 42, and the large rectifying plate 41.
  • the temperature in the case 36 can be kept equal to the room temperature, the amount of infrared rays detected by the infrared sensor 35 is accurate, and the infrared sensor 35 has a floor temperature and a wall surface. It is possible to accurately obtain information on the temperature, the position of the human body, and the activity state of the human body.
  • the conditioned air does not hit the case 36, and the conditioned air is blown in the horizontal direction on the infrared sensor 35 side toward the human body.
  • movement etc. which can be taken out and suppressed the cool wind feeling can also be implemented.
  • FIG. 9 is a side view showing a down-blowing operation state of the indoor unit 1 of the air conditioner according to Embodiment 1 of the present invention.
  • FIG. 10 is a schematic diagram showing the flow of airflow in the vicinity of the air outlet during the down-blow operation of the indoor unit 1 of the air conditioner according to Embodiment 1 of the present invention.
  • the up / down wind direction plate 8b is down blowing, and the left / right wind direction plate 7b is operating toward the right side (infrared sensor 35 side) shown in FIG.
  • the conditioned air exiting from the outlet 23 is directed to the right side shown in FIG. 10 by the left and right wind direction plates 7b.
  • the airflow is delivered to the indoor space at an angle bent by the left and right wind direction plates 7b along the lower surface of the upper and lower wind direction plates 8b on the side not facing the infrared sensor 35.
  • the conditioned air hardly flows on the upper surface of the vertical airflow direction plate 8b facing the infrared sensor 35, and the conditioned air does not reach the vicinity of the infrared sensor 35. For this reason, the amount of infrared rays detected by the infrared sensor 35 is made accurate, and the infrared sensor 35 can accurately acquire information on the floor temperature, the wall surface temperature, the position of the human body, and the activity state of the human body.
  • the vertical air direction is set to the bottom and the indoor floor surface is directly warmed to improve indoor comfort. Therefore, the wide angle in the left and right direction of the airflow is important. Since there is no rectifying effect by the small rectifying plate 43, the upper rectifying plate 42 and the large rectifying plate 41 at the time of the bottom blowing, the wide angle property of the air flow in the left-right direction is not impaired.
  • the case where the three small rectifying plates 43, the upper rectifying plate 42, and the large rectifying plate 41 are provided has been described.
  • the number of the rectifying plates may be increased, or at least, By restricting the size and the movable range of the left and right wind direction plates, the arrival of conditioned air near the infrared sensor 35 can be avoided.
  • the case where the pseudo air passage portion 45 is provided has been described. Similarly, even in the case where the pseudo air passage portion 45 is not provided, the conditioned air is supplied to the vicinity of the infrared sensor 35 by providing a rectifying plate. Reaching can be avoided.
  • FIG. FIG. 11 is an enlarged view showing the flow of airflow around the infrared sensor 35 during the horizontal blowing operation of the indoor unit 1 of the air conditioner according to Embodiment 2 of the present invention.
  • the upper rectifying plate 42 is provided as the rectifying plate.
  • Only the bearing portion 44 is provided at the end of the up-and-down airflow direction plate 8b on the infrared sensor 35 side where the large current plate 41 is provided in the first embodiment.
  • FIG. FIG. 12 is an enlarged view showing the flow of airflow around the infrared sensor 35 during the horizontal blowing operation of the indoor unit 1 of the air conditioner according to Embodiment 3 of the present invention.
  • Embodiment 3 only the small rectifying plate 43 is provided as the rectifying plate. Only the bearing portion 44 is provided at the end of the up-and-down airflow direction plate 8b on the infrared sensor 35 side where the large current plate 41 is provided in the first embodiment.
  • FIG. FIG. 13 is an enlarged view which shows the flow of the airflow around the infrared sensor 25 at the time of the horizontal blowing operation of the indoor unit 1 of the air conditioner according to Embodiment 4 of the present invention.
  • the fourth embodiment includes a small rectifying plate 43 provided on the vertical airflow direction plate 8 b and an upper rectifying plate 42 provided on the upper surface of the air outlet 23 as the rectifying plate. Yes. Only the bearing portion 44 is provided at the end of the up-and-down airflow direction plate 8b on the infrared sensor 35 side where the large current plate 41 is provided in the first embodiment.
  • the indoor unit 1 including the small rectifying plate 43 and the upper rectifying plate 42 is operated in the vertical and horizontal wind direction and the left and right wind direction and right direction during the cooling operation or the heating operation.
  • the cold air that has exited from the air outlet 23 has a high air density, and the flow along the upper surface of the up-and-down air direction plate 8b becomes the mainstream.
  • the cold air that has exited from the air outlet 23 is rectified in the front direction by the small rectifying plate 43 and does not reach the vicinity of the infrared sensor 35.
  • the warm air from the air outlet 23 has a low air density, and the air passage upper side above the upper surface of the vertical air direction plate 8b becomes the mainstream. For this reason, the warm air coming out from the outlet 23 is rectified in the front direction by the upper rectifying plate 42 and does not reach the vicinity of the infrared sensor 35.
  • the fourth embodiment it is possible to suppress the arrival of the airflow near the infrared sensor 35 during the cooling operation and the heating operation.
  • the large rectifying plate 41, the small rectifying plate 43 and the upper rectifying plate 42 are arranged between the end portions of the left and right wind direction plates 7 b on the arrangement side of the infrared sensor 35 and the infrared sensor 35.
  • the airflow in the left-right direction flowing out from the outlet 23 can be rectified in the front direction by the large rectifying plate 41, the small rectifying plate 43 and the upper rectifying plate 42 before reaching the vicinity of the infrared sensor 35. It is possible to suppress erroneous detection due to wind hitting the windshield.
  • the case 36 that covers the infrared sensor 35 is substantially the same as the room temperature, and the amount of infrared rays detected by the infrared sensor 35 is accurate without being disturbed by the temperature of the case 36.
  • the infrared sensor 35 is accurate to the floor temperature, wall surface temperature, human body It is possible to accurately acquire information about the position of the human body and the activity state of the human body.
  • the large rectifying plate 41 and the small rectifying plate 43 are provided on the up / down airflow direction plate 8b. According to this, the airflow in the left-right direction flowing out from the outlet 23 can be rectified in the front direction by the large rectifying plate 41 and the small rectifying plate 43 before reaching the infrared sensor 35, and the wind hits the vicinity of the infrared sensor 35. False detection can be suppressed.
  • the upper rectifying plate 42 is provided on the upper surface of the air outlet 23. According to this, the airflow in the left-right direction flowing out from the outlet 23 can be rectified in the front direction by the upper rectifying plate 42 before reaching the infrared sensor 35, and erroneous detection due to wind hitting the vicinity of the infrared sensor 35 is suppressed. be able to.
  • the upper rectifying plate 42 is disposed between the large rectifying plate 41 and the small rectifying plate 43. According to this, before reaching the infrared sensor 35, the two large rectifying plates 41 and the small rectifying plate 43 and the upper rectifying plate 42 arranged therebetween are constituted before the left and right airflow flowing out from the outlet 23 reaches the infrared sensor 35. With the labyrinth structure, the flow path resistance until it reaches the infrared sensor 35 can be increased and rectified in the front direction, and erroneous detection due to wind hitting the vicinity of the infrared sensor 35 can be suppressed.
  • the large rectifying plate 41 constitutes a bearing portion 44 of the up / down airflow direction plate 8b. According to this, the intensity
  • the large rectifying plate 41 on the arrangement side of the infrared sensor 35 has a larger area than the other small rectifying plate 43. According to this, it is possible to reduce the amount of material to be used while increasing the flow path resistance until reaching the infrared sensor 35.
  • the small rectifying plate 43 has a rectifying effect, if it is enlarged, it causes condensation on the negative pressure surface side during cooling operation. Therefore, a leakage flow is generated, and the pressure surface and the negative pressure surface of the small rectifying plate 43 are generated. Condensation is suppressed by reducing the temperature difference.
  • a leakage flow is generated in the small rectifying plate 43, but the arrival of airflow to the infrared sensor 35 can be suppressed.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Air-Flow Control Members (AREA)
PCT/JP2015/056114 2015-03-02 2015-03-02 空気調和機の室内機 WO2016139729A1 (ja)

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CN201580076429.1A CN107250682B (zh) 2015-03-02 2015-03-02 空气调节机的室内机
EP15871293.5A EP3104092B1 (en) 2015-03-02 2015-03-02 Indoor unit for air conditioner
SG11201704709WA SG11201704709WA (en) 2015-03-02 2015-03-02 Indoor unit for air-conditioning apparatus
JP2017503232A JP6317030B2 (ja) 2015-03-02 2015-03-02 空気調和機の室内機
US15/532,541 US20170336083A1 (en) 2015-03-02 2015-03-02 Indoor unit for air-conditioning apparatus
RU2017125457A RU2664220C1 (ru) 2015-03-02 2015-03-02 Устанавливаемый внутри помещения блок устройства для кондиционирования воздуха
TR2016/16931T TR201616931T1 (tr) 2015-03-02 2015-03-02 Klima cihazı iç ünitesi.
PCT/JP2015/056114 WO2016139729A1 (ja) 2015-03-02 2015-03-02 空気調和機の室内機

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CN108954770A (zh) * 2018-08-30 2018-12-07 珠海格力电器股份有限公司 导风装置、空调器及空调导风装置的控制方法
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WO2021054286A1 (ja) * 2019-09-17 2021-03-25 ダイキン工業株式会社 空調室内機
CN115540305B (zh) * 2022-08-30 2024-06-18 青岛海尔空调器有限总公司 挂壁式空调器室内机的控制方法及挂壁式空调器室内机

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US20170336083A1 (en) 2017-11-23
EP3104092B1 (en) 2019-02-06
RU2664220C1 (ru) 2018-08-15
CN107250682A (zh) 2017-10-13
CN107250682B (zh) 2019-11-19
EP3104092A4 (en) 2017-04-19
SG11201704709WA (en) 2017-09-28
EP3104092A1 (en) 2016-12-14
TR201616931T1 (tr) 2017-02-21
JPWO2016139729A1 (ja) 2017-08-24

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