WO2009098848A1 - Climatiseur - Google Patents

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Publication number
WO2009098848A1
WO2009098848A1 PCT/JP2009/000323 JP2009000323W WO2009098848A1 WO 2009098848 A1 WO2009098848 A1 WO 2009098848A1 JP 2009000323 W JP2009000323 W JP 2009000323W WO 2009098848 A1 WO2009098848 A1 WO 2009098848A1
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WO
WIPO (PCT)
Prior art keywords
area
human body
person
sensor
region
Prior art date
Application number
PCT/JP2009/000323
Other languages
English (en)
Japanese (ja)
Inventor
Yoshikimi Tatsumu
Masami Hayashi
Yuji Inoue
Tomiyuki Noma
Original Assignee
Panasonic Corporation
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
Priority claimed from JP2008029002A external-priority patent/JP5117214B2/ja
Priority claimed from JP2008028999A external-priority patent/JP2009186134A/ja
Priority claimed from JP2008190910A external-priority patent/JP2010025520A/ja
Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Priority to CN2009801016038A priority Critical patent/CN101910739B/zh
Publication of WO2009098848A1 publication Critical patent/WO2009098848A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/07—Arrangements for adjusting the solid angle of collected radiation, e.g. adjusting or orienting field of view, tracking position or encoding angular position
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
    • G01J5/0025—Living bodies

Definitions

  • the present invention relates to a floor-standing air conditioner in which an indoor unit is provided with a human body detection sensor for detecting the presence or absence of a person, and an air conditioning operation is performed based on an output of the human body detection sensor.
  • a human body detection sensor is provided in an indoor unit, and the presence or absence of a person is detected by the human body detection sensor, so that a comfortable and efficient air conditioning operation is performed (for example, Patent Document 1). Or refer to 2).
  • FIG. 45 illustrates an indoor unit of an air conditioner described in Patent Document 1, in which a sensor storage unit is provided at a corner formed by the front surface and the lower surface of the housing 120 in which the blower fan 122 and the heat exchanger 124 are stored. 126, and a human body detection sensor 128 including a Fresnel lens and a pyroelectric element attached to a circuit board is provided in the sensor housing 126.
  • the human body detection sensor is in the vicinity of the air outlet provided in the center of the front surface of the indoor unit body. There is a problem in that a sufficient visual field range cannot be obtained because it is disposed on the left and right blades.
  • the human body detection sensor is located in the vicinity of the air outlet, there is a problem that the ambient temperature changes due to the influence of the blown-out air and affects the sensitivity of the human body detection sensor.
  • the human body detection sensor 128 is disposed on the front surface of the casing 120 of the indoor unit so as to be substantially flush with the outer surface or inwardly, and the human body detection sensor 128, particularly Since the front Fresnel lens can be easily touched, the Fresnel lens may be damaged or broken. In addition, it is easy to touch the circuit board and the connectors and lead wires on the circuit board, and if dust or the like accumulates, it may cause tracking, which causes a safety problem.
  • the arrangement position of the human body detection sensor 128 has been determined, and there has been a design problem such that the connector and the lead wire on the circuit board can be seen from the outside.
  • the present invention has been made in view of the above-described problems of the prior art.
  • the present invention is not affected by blown air and has a sufficient field of view for a human body detection sensor.
  • An object of the present invention is to provide a floor-standing air conditioner having indoor units arranged in positions and directions.
  • Another object of the present invention is to provide a floor-standing air conditioner that has a configuration in which the human body detection sensor cannot be easily touched and has improved safety and design.
  • the present invention has a blower fan and a heat exchanger housed inside a housing, and a suction port is formed below the housing and at the upper front of the housing.
  • a floor-mounted air conditioner in which an air outlet is formed, and wind direction blades for controlling the air direction are arranged at the air outlet, a Fresnel lens that collects infrared light, an element that senses infrared light, and the element mounted
  • a human body detection sensor having a substrate for determining whether or not a person is present based on an output from the element is provided in the housing, and the human body detection sensor is disposed below the outlet on the front surface of the housing. It is characterized by.
  • the center position of the human body detection sensor in the front surface of the housing at a height of 100 to 120 cm from the bottom surface of the housing.
  • the upper limit of the visual field range of the human body detection sensor it is preferable to set the upper limit of the visual field range of the human body detection sensor approximately 5 degrees above the horizontal direction when viewed from the human body detection sensor.
  • a cover that covers the human body detection sensor, and a spacer having a through hole on the infrared light receiving path may be further provided between the cover and the human body detection sensor.
  • a rib protruding toward the human body detection sensor in the infrared light receiving path is provided on the cover, the height of the rib is changed according to the incident angle of the infrared ray, and the infrared passing distance in the rib is set to a predetermined value or less. That's fine.
  • the thickness of the cover can be changed according to the incident angle of infrared rays, and the infrared passing distance in the cover can be set to a predetermined value or less.
  • Ribs may be formed in portions other than the infrared light receiving path in the through hole portion of the spacer.
  • a cylindrical rib extending from the periphery of the through hole of the spacer toward the outer peripheral portion of the Fresnel lens may be formed.
  • the lower limit of the vertical visual field range where infrared rays enter the human body detection sensor is set downward from the horizontal
  • the upper limit of the vertical visual field range where infrared rays enter the human body detection sensor is set upward from the horizontal.
  • the downward inclination angle of the lower limit of the visual field range is set larger than the upward inclination angle of the upper limit of the visual field range.
  • an out-of-field infrared light shielding member is provided around the human body detection sensor to block incident infrared light from outside the field of view, and the downward angle with respect to the horizontal plane of the out-of-field infrared light shielding member located near the lower limit of the field of view range It is preferable to set it larger than the upward angle with respect to the horizontal plane of the infrared ray shielding member outside the field of view located in the vicinity of the upper limit.
  • the out-of-view infrared light shielding member may be a cylindrical rib that separates the inside and outside of the field of view of the human body detection sensor.
  • the human body detection sensor is disposed below the air outlet formed in the housing, it is difficult to be affected by the air blown from the air outlet, and the sensitivity of the human body detection sensor can be stabilized. In addition to this, it is possible to secure a wide field of view for detecting people in the room.
  • the human body detection sensor if the human body detection sensor is at a high position, a human body detection sensor that looks near and a human body detection sensor that looks far away are required.
  • the center position is located at the front of the housing, 100 to 120 cm above the bottom of the housing, which corresponds to the position of the head when a person is sitting on a chair, so even if a person is near the air conditioner It can be sensed even from a distance.
  • the upper limit of the visual field range of the human body detection sensor is set to approximately 5 degrees above the horizontal direction when viewed from the human body detection sensor, the entire visual field range in the vertical direction of the human body detection sensor can be used effectively.
  • the strength of the cover can be improved without reducing the sensitivity of the human body detection sensor, and the air conditioning operation with high accuracy is possible.
  • the human body detection sensor when the human body detection sensor is tilted and fixed, if only the circuit board or lead wire is covered, the shape of the cover becomes complicated and the workability deteriorates. However, it is simple to cover the entire human body detection sensor including the lens. The cover can be used to easily cover the human body detection sensor.
  • the lower angle of the lower limit of the visual field range of the human body detection sensor By setting the lower angle of the lower limit of the visual field range of the human body detection sensor to be larger than the upper angle of the upper limit, it becomes possible to detect people regardless of the distance from the air conditioner to the person, and to detect infrared rays. The number of blind spots that cannot be reduced can be reduced as much as possible.
  • FIG. 1 is a perspective view of an indoor unit of a floor-standing air conditioner according to the present invention.
  • 2 is a partial cross-sectional view of the indoor unit of FIG. 1 when viewed from the side.
  • 3 is a partially exploded perspective view of the indoor unit of FIG. 4 is a partially exploded perspective view of a sensor unit provided in the indoor unit of FIG. 5A is a schematic plan view showing a light receiving range of the sensor unit of FIG. 5B is a schematic front view showing a light receiving range of the sensor unit of FIG. 6 is a perspective view when the cover constituting the sensor unit of FIG. 4 is reinforced with ribs.
  • 7 is a cross-sectional view of the cover of FIG. FIG.
  • FIG. 8 is a graph showing the relationship between infrared transmittance and cover thickness.
  • Fig. 9 is a cross-sectional view when the cover is reinforced by changing the thickness.
  • FIG. 10 is a perspective view of the spacer when the cover is reinforced with the spacer.
  • 11 is a cross-sectional view taken along line AA in FIG.
  • FIG. 12A is a front view showing a configuration in which the circuit board of the sensor unit is protected by a spacer.
  • 12B is a horizontal sectional view of the configuration of FIG. 12A.
  • 12C is a vertical sectional view of the configuration of FIG. 12A.
  • FIG. 13A is a partial perspective view showing the closed state of the sensor cover in the indoor unit when the elevating sensor cover is attached to the front panel.
  • FIG. 13B is a partial perspective view showing an open state of the sensor cover in the indoor unit of FIG. 13A.
  • 14A is a partial cross-sectional view showing a closed state of the sensor cover of FIG. 13A.
  • 14B is a partial cross-sectional view showing an open state of the sensor cover of FIG. 13B.
  • FIG. 15 is a perspective view when the rotary sensor cover is attached to the front panel.
  • 16A is a partial cross-sectional view showing a closed state of the sensor cover of FIG. 16B is a partial cross-sectional view showing an open state of the sensor cover of FIG.
  • FIG. 17 shows the range in which the sensor unit senses infrared rays.
  • FIG. 18 is a schematic diagram illustrating a human body position determination area depending on the arrangement of indoor units.
  • FIG. 19 is a perspective view showing the movable mechanism of the sensor unit.
  • FIG. 20 is a perspective view showing the viewing angle adjustment mechanism of the sensor unit.
  • FIG. 21 is a schematic diagram showing a human body position discrimination region according to the shape of the living room.
  • FIG. 22 is a perspective view showing the rotation mechanism of the sensor unit.
  • FIG. 23 is a schematic diagram showing a human body position determination area detected by each sensor unit provided in the human body detection device.
  • FIG. 24 is a flowchart for setting region characteristics in each region shown in FIG.
  • FIG. 25 is a flowchart for finally determining the presence or absence of a person in each area shown in FIG.
  • FIG. 26 is a timing chart showing the presence / absence determination of a person by each sensor unit.
  • 27 is a schematic plan view of a residence where the indoor unit of FIG. 1 is installed.
  • FIG. 30 is a graph showing the long-term cumulative result of each sensor unit in the residence of FIG.
  • FIG. 31 is a flowchart showing a method for classifying human activities.
  • FIG. 32 is a schematic view of the air outlet showing the operating state and set angle of the left and right blades provided in the indoor unit of FIG. 1 (when the existing area is one area).
  • FIG. 33 is a schematic view of the air outlet showing the operating state and set angle of the left and right blades provided in the indoor unit of FIG. 1 (when the area is two areas).
  • FIG. 34 is a schematic view of the air outlet showing the operating state and the set angle of the left and right blades provided in the indoor unit of FIG. 1 (when the area is two areas).
  • FIG. 35 is a horizontal cross-sectional view when the central blade unit is moved forward from the left blade unit and the right blade unit.
  • FIG. 36 is a horizontal sectional view when the blade interval of the central blade unit is set smaller than the blade interval of the left blade unit and the right blade unit.
  • FIG. 37 is a horizontal sectional view when the left and right blades of the left and right blade units are curved.
  • FIG. 38 is a horizontal sectional view when the left and right blades of the left and right blade units and the left and right blades of the central blade unit and the right and left blades are curved.
  • FIG. 39 is a horizontal sectional view when the central blade unit has four left and right blades, the left and right blades are curved on the left side, and the right and left blades are curved on the right side.
  • FIG. 40 is a horizontal cross-sectional view when the left and right blades of the central blade unit can be independently angle-changed on the left and right halves.
  • 41 is a horizontal sectional view when the rotation range of the left and right blades of each unit is changed.
  • FIG. 42 is a timing chart showing temperature control during heating.
  • FIG. 43 is a timing chart showing temperature control during cooling.
  • FIG. 44 is a timing chart when power saving operation is achieved by controlling the air volume of the blower fan and the capacity of the compressor provided in the outdoor unit.
  • FIG. 45 is a sectional view of a conventional air conditioner indoor unit provided with a human body detection sensor.
  • FIG. 1 is a perspective view of a floor-standing air conditioner according to the present invention
  • FIG. 2 is a partial cross-sectional view along a center line in a vertical direction.
  • This floor-standing air conditioner is composed of an outdoor unit and an indoor unit connected to each other by a refrigerant pipe, and FIGS. 1 and 2 particularly show the indoor unit.
  • the floor-standing air conditioner includes a substantially rectangular parallelepiped housing 1, and a horizontally long surface for sucking room air in the lower front portion of the housing 1.
  • a vertical suction port 2b for sucking room air is similarly formed at the corners between the front surface and both side surfaces below the housing 1.
  • a horizontally long air outlet 5 for blowing air sucked from the air inlets 2a and 2b into the room is formed in the upper front portion of the housing 1.
  • a blower fan 3 is disposed below the inside of the housing 1, and a heat exchanger 4 is disposed above the blower fan 3, and indoor air is sucked by the blower fan 3 through the suction ports 2 a and 2 b.
  • the heat is exchanged by the heat exchanger 4 and blown out into the room through the blowout port 5. Therefore, the heat exchanger 4 is located on the downstream side of the blower fan 3 when viewed from the air flow passing through the inside of the housing 1.
  • a plurality of upper and lower blades (first airflow blades) 6 extending in the lateral direction for blowing the blown air up and down are arranged behind the blowout port 5.
  • a plurality of left and right blades (second wind direction blades) 8 extending in the vertical direction for blowing the blown air left and right are arranged.
  • the upper and lower blades 6 are connected to a drive motor 7 and are driven by the drive motor 7 so that the plurality of upper and lower blades 6 integrally swing up and down.
  • the left and right blades 8 are composed of, for example, nine sheets, and the outlet 5 is divided into three areas on the left side, the center, and the right side.
  • the blade unit 8a, the central blade unit 8b, and the right blade unit 8c are arranged, and a drive motor (stepping motor) 10 is connected to each unit, and the left and right blades 8a, 8b, and 8c in the three areas are independently changed in angle. be able to.
  • a front panel 11 is provided below the air outlet 5, and the front panel 11 includes a plurality of (for example, three) sensor units (for example, three) constituting a human body detection device.
  • a human body detection sensor 12 is attached in a state where it does not protrude from the main plane of the front panel 11.
  • These sensor units 12 are held by a sensor holder 13 attached to the housing 1 with the center sensor unit 12 facing the front and the sensor units 12 on both sides facing the left diagonally forward or right diagonally forward.
  • a sensor cover 14 is attached in front of the sensor units 12 so as to cover the front opening of the sensor holder 13.
  • the sensor cover 14 is attached to a horizontally long rectangular opening 11a formed in the front panel 11, and prevents dust from entering the device and at the same time prevents a human hand from directly touching the sensor unit 12. Is for.
  • the sensor cover 14 is made of, for example, polyethylene, and is set to a thickness of about 0.5 millimeters in order to improve infrared transmittance.
  • Each sensor unit 12 includes a circuit board 12a attached to the sensor holder 13 and electrically connected to an indoor unit control device (not shown), a Fresnel lens 12b attached to the circuit board 12a, and a Fresnel lens 12b. It is comprised with the human body detection element (not shown) mounted in the inside. Furthermore, the human body detection element is composed of an infrared element that detects the presence or absence of a person by detecting infrared rays radiated from the human body, for example, and a pulse that is output according to a change in the amount of infrared rays detected by the infrared element. The presence or absence of a person is determined by the circuit board 12a based on the signal.
  • reference numeral 12c indicates an infrared light receiving path that passes through a plurality of focal points of the Fresnel lens 12a.
  • a spacer 15 is provided between the sensor unit 12 and the sensor cover 14. Since the sensor cover 14 is relatively thin and may be deformed (dented) when pressurized from outside, the spacer 15 is provided to reinforce the sensor cover 14, and the infrared light receiving path 12 c of the sensor unit 12 is provided. Circular or elliptical through-holes 15a, 15b, 15c are formed at positions that pass through the plurality of sensor units 12 in the spacer 15 so that the infrared light receiving path 12c is not blocked.
  • FIG. 6 is a perspective view of the sensor cover 14 as viewed from the back side.
  • the sensor cover 14 is set to have a thickness that does not block the infrared light receiving path 12c, and the blocking portion is set to be thinner than the thickness of the portion that does not block.
  • the grid-like ribs 14 a protruding toward the sensor unit 12 it is possible to ensure the strength required for the sensor cover 14.
  • the height of the rib 14a is set to be different depending on the position, and the reason will be described with reference to the graph of FIG.
  • FIG. 8 is a graph showing the relationship between the infrared transmittance and the thickness of the sensor cover 14, and the infrared transmittance gradually decreases as the thickness of the sensor cover 14 increases.
  • the minimum allowable transmittance is set based on the sensitivity of the sensor unit 12
  • the maximum allowable thickness of the sensor cover 14 is determined from the graph of FIG. 8 according to the minimum allowable transmittance.
  • the “thickness” of the sensor cover 14 is a length of infrared rays passing through the sensor cover 14, and is a thickness of the sensor cover 14 along the infrared light receiving path 12 c (corresponding to an infrared ray passing distance). That is.
  • the height of the rib 14a varies depending on the incident angle of infrared rays so that the infrared passing distance does not exceed t. Further, by changing the height of the rib 14a according to the position of the rib 14a, the thickness of the sensor cover 14 is set to be smaller than the maximum allowable thickness t in all of the plurality of infrared passage paths 12c.
  • the sensor cover 14 is gradually changed in thickness so that the infrared passing distance does not exceed the maximum allowable thickness t in accordance with the infrared incident angle.
  • the cover 14 can be reinforced.
  • 10 and 11 show still another method for reinforcing the sensor cover 14, and are substantially the same in the region where the through holes 15a, 15b, 15c of the spacer 15 are formed with the gap of the infrared light receiving path 12c.
  • the deflection of the sensor cover 14 can be reduced.
  • the cylindrical (conical) rib 15e extending from the periphery of the through holes 15a, 15b, and 15c of the spacer 15 toward the outer periphery of the Fresnel lens 12b of the sensor unit 12 is integrated with the spacer 15. It is formed so as to cover the circuit board 12a when viewed from the outside of the device. With this configuration, even if the sensor cover 14 is pierced with a sharp object, the circuit board 12a is not touched by hands, so there is no possibility of electric shock and the safety is improved. be able to.
  • the above-described sensor cover 14 is fixed to the front panel 11.
  • a movable sensor cover is employed instead of the fixed sensor cover 14, and the movable sensor cover is controlled to open and close by an indoor unit controller.
  • the movable sensor cover may be closed when the conditioner is stopped, while the movable sensor cover may be opened while the air conditioner is in operation.
  • FIGS. 13A, 13B, 14A, and 14B show an example in which the elevating sensor cover 14A is attached to the back surface of the front panel 11.
  • FIGS. 13A and 14A show the closed state of the sensor cover 14A.
  • 14B shows the opened state of the sensor cover 14A.
  • a sensor cover 14A is attached to the back surface of the front panel 11 so as to be movable up and down, and the front panel 11 above the opening 11a that opens and closes the sensor cover 14A.
  • a drive source 17 such as an electric motor is attached to the back surface.
  • the open signal of the sensor cover 14A is not input to the drive source 17 from the controller of the indoor unit, and the sensor cover 14A is in the closed position as shown in FIGS. 13A and 14A.
  • an open signal of the sensor cover 14A is input from the indoor unit controller to the drive source 17, and the sensor cover 14A is moved upward by the drive source 17 as shown in FIGS. 13B and 14B. And the sensor unit 12 is in a state where it can detect the presence or absence of a person. Thereafter, when the air conditioner stops, a closing signal for the sensor cover 14A is input from the indoor unit controller to the drive source 17, and the sensor cover 14A slides downward by the drive source 17 to fully close the opening 11a. Held in position.
  • the sensor unit 12 when the air conditioner is in a stopped state, the sensor unit 12 is covered with the sensor cover 14A, so that it is not easily touched by residents and is excellent in design.
  • FIGS. 15 and 16A and 16B show another example of the movable sensor cover, in which the rotary sensor cover 14B is attached to the front panel 11.
  • FIG. 16A shows the closed state of the sensor cover 14B
  • FIGS. 15 and 16B show the opened state of the sensor cover 14B.
  • a substantially cylindrical recess 11b is formed in the front panel 11, and the sensor holder 13 shown in FIG. 4 to which a plurality of sensor units 12 are attached is formed integrally with a substantially cylindrical sensor cover 14B.
  • the sensor cover 14B is rotatably accommodated in the recess 11b.
  • a part of the sensor cover 14B is formed on a flat surface, and a rectangular opening 14C is formed in the flat surface.
  • the plurality of sensor units 12 are exposed from the opening 14C, and the back side of the sensor unit 12 is covered with the sensor cover 14B. Covering.
  • the sensor cover 14B is connected to a drive mechanism (not shown) including a drive source such as an electric motor.
  • the opening signal of the sensor cover 14B is not input to the drive mechanism from the controller of the indoor unit, and as shown in FIG. 16A, the opening 11a of the front panel 11 is closed by the sensor cover 14B.
  • the sensor unit 12 faces rearward.
  • an open signal of the sensor cover 14B is input to the drive mechanism from the controller of the indoor unit, and as shown in FIGS. 15 and 16B, the drive mechanism connects the sensor cover 14B to the sensor unit 12.
  • the sensor unit 12 is rotated by 180 degrees to expose the sensor unit 12 through the opening 14C of the sensor cover 14B and the opening 11a of the front panel 11.
  • the close signal of the sensor cover 14B is input from the indoor unit control device to the drive mechanism, and the sensor cover 14B is rotated 180 degrees by the drive mechanism and held at the fully closed position of the opening 11a. Is done.
  • This configuration is excellent in design because the sensor unit 12 is housed inside the housing 1 when the air conditioner is stopped, so that it is not easily touched by residents. Further, since a drive mechanism for rotating the sensor unit 12 is provided, this drive mechanism can also be used as a drive source for automatically adjusting the orientation of the sensor unit 12, and the rotation drive mechanism and automatic adjustment of the sensor unit 12 can be used.
  • the mechanism can be made inexpensive and simple.
  • the sensor unit 12 is attached at a center position in the vertical direction at a height of 100 to 120 centimeters from the bottom surface of the housing 1, that is, the indoor floor surface where the indoor unit is installed. Mounted at a height of 110 centimeters from the bottom of the body 1.
  • FIG. 17A shows a range (shaded portion) in which the sensor unit 12 can sense the presence of a person when the sensor unit 12 is disposed at a height of 110 centimeters from the bottom surface of the housing 1.
  • the position of the head when a person sits on a chair is about 110 cm from the floor, and the height of furniture such as sofas and tables placed in the room is about 90 cm or less.
  • the upper limit of the visual field range in the vertical direction of the sensor unit 12 is set slightly above the horizontal direction when viewed from the sensor unit 12, the distance from the near side to the far side is not affected. It can sense the movement of a person's head.
  • the upper limit of the visual field range of the sensor unit 12 is preferably set, for example, approximately 3 degrees above the horizontal direction, and it has been confirmed that it is acceptable up to approximately 5 degrees above.
  • the lower limit of the visual field range in the vertical direction of the sensor unit 12 is set as downward as possible from the horizontal direction when viewed from the sensor unit 12, and the lower limit of the visual field range is lower than the upward angle of the upper limit of the visual field range in the vertical direction.
  • FIG. 12C shows a vertical cross-sectional view of the mounting portion of the sensor unit 12, and as shown in FIG. 12C, the outer periphery of the Fresnel lens 12b of the sensor unit 12 from the periphery of the through holes 15a, 15b, 15c of the spacer 15.
  • the cylindrical (conical) rib 15e extending toward the portion is provided so as to partition the upper outside vicinity of the upper and lower limits of the visual field range in the vertical direction of the infrared light receiving path 12c.
  • the downward inclination of the rib member 15e located near the lower part of the lower limit of the vertical visual field range with respect to the horizontal plane is smaller than the upward inclination angle of the rib member 15e located near the upper part of the upper limit of the vertical visual field range.
  • FIG. 17B shows a range (shaded portion) in which the sensor unit 12 can sense the presence of a person when the sensor unit 12 is disposed on the upper portion of the casing 1 having a height of 190 cm from the bottom surface of the casing 1.
  • the air outlet 5 is located below the sensor unit 12, and during heating, the warm air rises from the bottom to the top, and the surface temperature changes due to the flow of the air blowing on the surface of the sensor unit 12.
  • the sensitivity of the sensor unit 12 may become unstable due to the influence of the change in the surface temperature.
  • a blind spot that cannot detect infrared rays is generated on the front side of the indoor unit (black part in FIG. 17B). In order to detect this blind spot part, a new sensor unit is provided, and FIG. As shown, blind spots must be reduced, increasing costs.
  • the sensitivity of the sensor unit 12 is stabilized, and a system that can detect a person can be constructed with the blind spot being reduced as much as possible despite being inexpensive.
  • FIGS. 18 (a), (b), and (c) show a form as shown in FIGS. 18 (a), (b), and (c)
  • FIG. 18 (a) shows a case where the indoor unit is arranged at substantially the center of one wall surface of the living room 99 surrounded by four wall surfaces
  • FIG. 18 (b) shows the indoor unit at the corner of the two wall surfaces.
  • FIG. 18C shows a case where the indoor unit is arranged along the back of the indoor unit main body at the end of one wall surface of the living room 99.
  • the sector shapes 100a and 100b indicate human body position determination areas detected by the sensor unit 12.
  • the entire area of the living room 99 cannot be covered unless it is a human body position determination region having a fan-shaped 100a with a wide central angle, whereas in the form shown in FIG. 18 (b).
  • the human body position determination area of the sector 100a having a wide central angle since both sides of the human body position determination area are blocked by the two wall surfaces of the living room 99, there are cases where effective human body position determination cannot be performed.
  • the human body position discriminating area 100b is preferable. Further, in the form shown in FIG.
  • the human body position determination area can be adjusted according to the installation position of the indoor unit by setting the sensor unit 12 to be movable with respect to the housing 1.
  • the configuration will be described.
  • FIG. 19 shows the movable mechanism of the sensor unit 12.
  • the sensor unit 12 includes a circuit board 12a and a Fresnel lens 12b (including a human body detection element).
  • the Fresnel lens 12b is provided with a pair of upper and lower rotating shafts 12b1 having a common axis.
  • the Fresnel lens 12b is rotatably attached to the substantially U-shaped sensor unit support member 112 via the pair of rotating shafts 12b1.
  • the sensor unit support member 112 is attached to the housing 1, and the sensor unit 12 is configured to be able to rotate in a substantially horizontal direction with respect to the housing 1.
  • FIG. 19 shows one of the plurality of sensor units 12, but the same mechanism is provided in each of the plurality of sensor units 12, and each of the plurality of sensor units 12 is configured to move independently so that a fan shape of the human body position determination region can be obtained. Can be adjusted to be wide or narrow, or the center position of the sector can be shifted.
  • one of the pair of rotating shafts 12b1 can be connected to a drive source such as an electric motor.
  • a remote controller remote control device
  • the sensor unit movable mechanism can also be driven by a drive source by operating.
  • buttons such as “center installation”, “left installation”, “right installation” or “corner installation” indicating the installation position of the indoor unit are provided on the remote control, and the indoor unit as shown in FIG.
  • the “center installation” button is shown, and when the indoor unit is installed as shown in FIG. 18B, the “corner installation” button is shown in FIG. 18C.
  • the center position and center angle of the fan-shaped human body position determination area can be automatically set by pressing the “right installation” button. Driving can be performed easily.
  • the area on the right side of the figure may be determined as a non-living area where no person lives based on the detection results of the plurality of sensor units 12.
  • each sensor unit 12 is automatically moved to the opposite side of the non-living area by the sensor moving mechanism to shift the fan-shaped center position of the human body position determination area and the center angle.
  • FIG. 20 shows the viewing angle adjustment mechanism of the sensor unit 12.
  • the viewing angle adjustment mechanism has a pair of substantially U-shaped shielding members 113a and 113b, and one end of each of the upper and lower arms 113a1 and 113b1 of each shielding member 113a and 113b is a Fresnel lens.
  • a pair of support shafts 12b2 having a common axis provided above and below 12b are rotatably attached to each other.
  • the lens shielding portions 113a2 and 113b2 of the pair of shielding members 113a and 113b are located on both sides of the front surface of the Fresnel lens 12b, and can shield a part of infrared rays entering the sensor unit 12.
  • the movable mechanism of the sensor unit 12 shown in FIG. 19 and the viewing angle adjustment mechanism of the sensor unit 12 shown in FIG. 20, and arbitrarily change the indoor area division detected by the sensor unit 12. can do.
  • the human body position can be determined effectively within a narrow range by setting the viewing angle of the Fresnel lens 12b to be narrow with the shielding members 113a and 113b.
  • the pair of rotating shafts 12b1 can be used as the support shafts 12b2 of the shielding members 113a and 113b.
  • the sensor unit 12 is disposed at a height of 100 to 120 centimeters, preferably 110 centimeters from the floor of the living room, so that it can be easily touched by a person and manually operated. Adjustment is possible.
  • the human body position determination region is preferably a sector 100a having a wide central angle, but is shown in FIG. 21B.
  • the human body position determination region is preferably the sector 100b having a narrow central angle rather than the sector 100a having a large central angle. It is preferable to determine the presence or absence of a person for each region divided in the distance direction on a substantially straight line from the front of the indoor unit.
  • FIG. 22 shows a sensor unit rotation mechanism, in which a plurality of sensor units 12 each composed of a circuit board 12a and a Fresnel lens 12b are attached to a sensor mount 16 that is rotatably attached to a sensor holder 13. It is configured so as to be compatible with both the human body position determination area of the sector 100a having a wide central angle and a short depth and the human body position determination area of the sector 100b having a narrow central angle and a long depth.
  • the sensor unit 12 is used in the state shown in FIG. 22 (a) for the human body position determination region of the sector 100a having a wide central angle, while FIG. As shown in FIG. 22, for the human body position determination region of the sector shape 100b having a narrow central angle, the sensor mounting base 16 is rotated 90 degrees from the state shown in FIG.
  • the human body position determination area is divided into a plurality of areas divided in the distance direction on a substantially straight line from the front of the indoor unit narrowly in the width direction from the fan shape 100a wide in the width direction when viewed from the indoor unit. The position can be determined.
  • the sensor mounting base 16 is attached to the sensor holder 13 so that the front surface of each Fresnel lens 12b faces slightly downward in the state of FIG.
  • the upper sensor unit 12 indicates whether or not a person is in the farthest area from the indoor unit as shown in FIG. 21 (b). The presence / absence of a person in the area is determined by the lower sensor unit 12 in the area closest to the indoor unit.
  • the human position determination method will be described with reference to an example of a fan shape in which the human body position determination area is wide in the width direction as viewed from the indoor unit as shown in FIG.
  • FIG. 23 is a plan view showing divisions of the human body position determination area detected by the human body detection device constituted by the three sensor units 12, and it is possible to detect in which region a person is present by the human body detection device.
  • the sensor unit 12 disposed on the left side of the sensor unit 12 is referred to as sensor A
  • the sensor unit 12 disposed in the center is referred to as sensor B
  • the sensor unit 12 disposed on the right side is referred to as sensor C.
  • the areas where the presence / absence of a person is detected by the sensors A, B, and C are as follows.
  • Sensor A Area A (area on the left side of the indoor unit)
  • Sensor B Area B (center area facing the indoor unit)
  • Sensor C Region C (region on the right side toward the indoor unit)
  • FIG. 24 is a flowchart for setting region characteristics to be described later in each of the regions A to C using the sensors A, B, and C.
  • FIG. 25 shows the region using the sensors A, B, and C.
  • 10 is a flowchart for determining in which area of A to C a person is present.
  • step S1 the presence or absence of a person in each region is determined based on Table 1 at a predetermined period T1 (for example, 5 seconds), and all sensor outputs are cleared in step S2.
  • the presence / absence of a person in each of the areas A, B, and C is similarly determined for each period T1.
  • each of the areas A to C is divided into a first area where a person is good (a good place) and a second area where a person is short (a person simply passes through). And a third area (a non-living area where people hardly go, such as walls and windows).
  • the first region, the second region, and the third region are referred to as a life category I, a life category II, and a life category III, respectively, and the life category I, the life category II, and the life category III are respectively a region characteristic I. It can also be said that the region of region characteristic II, region of region characteristic II, region of region characteristic III.
  • life category I region characteristic I
  • life category II region characteristic II
  • life category III region characteristic III
  • the area of life may be broadly classified according to the frequency of the presence or absence of a person.
  • FIG. 27 shows a case where the indoor unit of the air conditioner according to the present invention is installed in an LD of 1 LDK consisting of one Japanese-style room, LD (living room / dining room) and kitchen, and is indicated by an ellipse in FIG. The area shows the well-placed place where the subject reported.
  • LD living room / dining room
  • the presence / absence of a person in each of the areas A to C is determined every period T1, and 1 (with a reaction) or 0 (without a reaction) is output as a reaction result (determination) of the period T1, Is repeated a plurality of times, and in step S3, it is determined whether or not the cumulative operation time of a predetermined air conditioner has elapsed. If it is determined in step S3 that the predetermined time has not elapsed, the process returns to step S1. On the other hand, if it is determined that the predetermined time has elapsed, two reaction results accumulated in the predetermined time in each of the areas A to C are obtained. Each area A to C is determined as one of the life categories I to III by comparing with the threshold value.
  • a first threshold value and a second threshold value smaller than the first threshold value are set, and in step S4, the long-term accumulation result of each region A to C is set. Is determined to be greater than the first threshold, and the region determined to be greater is determined to be the life category I in step S5. If it is determined in step S4 that the long-term accumulation result of each region A to C is less than the first threshold value, whether or not the long-term accumulation result of each region A to C is greater than the second threshold value in step S6.
  • the region determined to be large is determined to be the life category II in step S7, while the region determined to be small is determined to be the life category III in step S8.
  • regions A and C are determined as life category I, and region B is determined as life category II.
  • FIG. 29 shows a case where the indoor unit of the air conditioner according to the present invention is installed in another LDK LD, and FIG. 30 discriminates each region A to C based on the long-term accumulation result in this case. Results are shown.
  • the region B is determined as the life category I
  • the region C is determined as the life category II
  • the wall side region A is determined as the life category III.
  • step S13 it is determined whether or not a predetermined number M (for example, 15 times) of reaction results in the period T1 has been obtained. If it is determined that the period T1 has not reached the predetermined number M, the process returns to step S11. If it is determined that the period T1 has reached the predetermined number M, in step S14, the total number of reaction results in the period T1 ⁇ M is used as the cumulative reaction period number, and the cumulative reaction period number for one time is calculated.
  • a predetermined number M for example, 15 times
  • step S17 1 is subtracted from the calculation number (N) of the cumulative reaction period, and the process returns to step S11, whereby the calculation of the cumulative reaction period is repeated for a predetermined number of times.
  • Table 2 shows a history of reaction results for the latest one time (time T1 ⁇ M).
  • ⁇ A0 means the number of cumulative reaction periods for one time in the region A.
  • the cumulative reaction period number for one time immediately before ⁇ A0 is ⁇ A1
  • the cumulative reaction period number for one previous time is ⁇ A2,...
  • N 4
  • the history for the past four times ( ⁇ A4, ⁇ A3) , .SIGMA.A2, .SIGMA.A1), for life category I it is determined that there is a person if the cumulative reaction period is one or more.
  • life category II if there are two or more cumulative reaction periods in the past four histories, it is determined that there is a person
  • life category III the past four histories Among them, if the cumulative reaction period number of 2 times or more is 3 times or more, it is determined that there is a person.
  • the presence / absence determination of the person is performed based on the next four histories ( ⁇ A3, ⁇ A2, ⁇ A1, ⁇ A0).
  • the region characteristics obtained by accumulating the region determination results for each predetermined period for a long period of time and the region determination results for each predetermined cycle are accumulated N times, and the cumulative reaction of each region obtained is obtained.
  • the area to be air-conditioned by the indoor unit of the air conditioner according to the present invention is divided into a plurality of areas A to C by the sensors A, B and C, the area characteristics of each area A to C (life classification) I to III) are determined, and the time required for the presence estimation and the time required for the absence estimation are changed according to the region characteristics of the regions A to C.
  • the time required to estimate the presence / absence of an area determined as life category II as a standard in the area determined as life category I, there is a person at a shorter time interval than the area determined as life category II. In contrast, when there are no more people in the area, the absence of the person is estimated at a longer time interval than the area identified as Living Category II, thereby shortening the time required for the presence estimation.
  • the time required for estimation is set to be long.
  • the presence of a person is estimated at a longer time interval than the area determined to be life category II.
  • the time required for the presence estimation is set longer, and the time required for the absence estimation is set shorter. Furthermore, as described above, the life division of each region changes depending on the long-term accumulation result, and accordingly, the time required for the presence estimation and the time required for the absence estimation are variably set.
  • a person's activity level is a concept that indicates the degree of human movement, and is classified into multiple activity level levels. For example, “rest”, “high activity level”, “active level”, “low activity level” are categorized.
  • “Relax” refers to a situation where a person is still in the same place, such as relaxing on the sofa, watching TV, or operating a computer. If it persists, it will feel cold with decreased metabolic rate.
  • the amount of activity “Large” means that the person is active in a wide area such as indoor cleaning, and feels hot due to increased metabolic rate.
  • the activity amount “medium” means that it is active in a narrow area such as cooking, and it feels a little hot due to an increase in metabolic rate.
  • the activity amount “small” means that the activity is somewhat in the same place such as a meal, and no significant change in the metabolic rate is observed.
  • step S21 the reaction frequency (with output pulse) of each sensor A, B, C is measured every predetermined time T1, and in step S22, it is determined whether or not the number of times of measurement has reached a predetermined number.
  • the predetermined time T1 is the same as the predetermined period T1 in the above-described presence / absence determination of a person, but here, for example, it is set to 2 seconds, for example, and the predetermined number of measurement times is set to 15 times, for example. It is assumed that 15 measurements are collectively referred to as 1 unit measurement (measurement for 30 seconds).
  • the “number of times of measurement” here is the number of times of measurement in any one of the regions A to C, and the same measurement is performed for all the regions A to C.
  • step S22 If it is determined in step S22 that the number of measurements has not reached the predetermined number of times, the process returns to step S21. If it is determined that the number of times of measurement has reached the predetermined number of times and one unit measurement has been completed, four unit measurements ( It is determined whether the measurement for 2 minutes has been completed. In step S23, if 4-unit measurement is not completed, the process returns to step S21. If 4-unit measurement is completed, the process proceeds to step S24.
  • step S24 it is determined whether or not the total reaction frequency of the sensor for four unit measurement (the last four unit measurements including the current one unit measurement) has reached a predetermined number (for example, five times). If it has reached, the total unit count (p, which will be described in detail later) after being determined as “active amount small” is cleared in step S25, and then the process proceeds to step S26.
  • a predetermined number for example, five times.
  • step S26 it is determined whether or not the total response frequency of the sensors in all the areas A to C has reached a predetermined number (for example, 40 times). All regions determined to be present except for the region determined to be “high activity amount” are determined to be “high activity amount”, but if the predetermined number has not been reached, the total response frequency of the 4-unit measurement sensor is determined in step S28. Is determined to be “medium amount of activity”. After the activity amount determination in step S27 or step S28, 1 is subtracted from the unit measurement number (q) in step S29, and the process returns to step S21.
  • a predetermined number for example, 40 times. All regions determined to be present except for the region determined to be “high activity amount” are determined to be “high activity amount”, but if the predetermined number has not been reached, the total response frequency of the 4-unit measurement sensor is determined in step S28. Is determined to be “medium amount of activity”. After the activity amount determination in step S27 or step S28, 1 is subtracted from the unit measurement number (q) in step
  • the area in which the total response frequency of each sensor exceeds a predetermined number and is determined to be “high activity amount” or “medium activity amount” in four consecutive unit measurements is the next four units after the next one unit measurement.
  • the total response frequency of measurement exceeds a predetermined number it is determined that the activity level is “high” or “medium”.
  • step S30 If it is determined in step S24 that the total response frequency of the sensor is less than the predetermined number in the 4-unit measurement, it is determined in step S30 whether or not the area is “rest”. It is determined that “activity is small”. In the next step S32, the total number of unit measurements (p) after being determined as “small amount of activity” is counted, and in step S33, 60 units are measured after being determined as “low amount of activity” (measurement for 30 minutes). ) Is finished.
  • step S33 If it is determined in step S33 that the 60 unit measurement has not been completed, the process proceeds to step S29. On the other hand, if it is determined that the 60 unit measurement has been completed, all of the 60 unit measurements are determined to be “active amount small”. After the determined area is determined to be “rest” in step S34, the process proceeds to step S29. In other words, by moving to step S29, each of the areas A to C is “active mass”, “active mass medium” according to the total response frequency of each sensor in the past four unit measurements including the next one unit measurement. ”,“ Low activity ”or“ rest ”.
  • step S34 the area continuously determined as “low activity amount” is determined as “rest” in step S34 after the end of the measurement of 60 units, and if the total response frequency of the 4-unit measurement sensor is less than the predetermined number after that, Subsequently, it is determined as “rest”.
  • step S25 the reason for clearing the total unit count (p) after it is determined that “activity is small” in step S25 is that the determination of “rest” starts from the determination of “activity is small”. It is.
  • each of the sensors A, B, and C functions as an activity amount detection means in addition to a function as a human body detection means, and the areas A to C are determined, for example, as follows by the flowchart of FIG.
  • Large activity amount Total sum of sensor response frequencies in all areas A to C is 40 times / 2 minutes, at least one When the sensor response frequency in the region lasts 5 times or more in 2 minutes, all regions except the region determined to be “rest”
  • Activity amount The sum of the sensor response frequencies of all regions A to C is 40 times Area where sensor response frequency continued 5 times or more in 2 minutes when less than / 2 minutes (4) Activity level small Area where activity level was low, activity level was not determined as active
  • the airflow direction control of the upper and lower blades 6 and the left and right blades 8 and the rotational speed control of the blower fan 3 are performed according to the air conditioning setting in each of the areas A to C. These controls will be described below.
  • the wind direction control is based on the selection of whether or not the resident wants to directly hit the wind by providing a windshield selection means on the remote control or the like that can select whether or not to direct the wind to the area determined to have a person. It is possible to change a wind direction setting that directs the wind to an area determined to have a person and a wind direction setting that directs the wind to an area determined to have no person.
  • An output signal from the remote controller is input to a control device of the indoor unit, and the air direction control of the upper and lower blades 6 and the left and right blades 8 and the rotation speed control of the blower fan 3 are performed by this control device.
  • the angle of the upper and lower blades 6 is set downward to aim at the floor direction in order to warm the feet when no windbreak is selected, When windbreak is selected, set upward so that warm air does not directly hit the body.
  • the angle of the upper and lower blades 6 is controlled slightly downward from the horizontal aiming at the upper body of the person when no windbreak is selected, and is set upward so that the cold wind does not directly hit the body when the windshield is selected.
  • the three left blade units 8 a existing in the left area are connected to one drive motor (stepping motor) 10, and the three left blade units 8 a according to the rotation angle of the drive motor 10. Are configured to rotate in the same direction at the same angle and to be variably set to a predetermined angle.
  • the three central blade units 8b and the three right blade units 8c are connected to the drive motor 10 and controlled to rotate, and the nine left and right blades 8 are arranged in the left, center and right, respectively.
  • the angle is set independently in a state where each area is separated.
  • the left and right blades 8 are basically controlled as follows. (1) When “No windbreak” is selected by the windbreak selection means • All the left and right blades 8 are controlled toward a region where a person is present. (2) When “Wind Shield Existence” is selected by the Wind Shield Selection Unit The left and right blades 8 are controlled toward each area where there is no person. In this case, the control is performed based on the degree of adjacency of the area where there is no person ( This is performed according to the degree of adjacency) or the area characteristics of the area where no person is present. The degree of adjacency means the distance of the area where there is no person to the area where the person is present.
  • the area A and the area C are compared with the area B. If the region A has a person and the regions B and C have no people, the region B has a higher degree of adjacency than the region C. (I) When the degree of adjacency of two areas where there is no person to the area where there is a person is the same ⁇ Control the left and right blades 8 so that the air volume in the area where the person is high is larger than the air volume in the area where the frequency is low To do. When the frequency of people is the same, the left and right blades 8 are controlled so that the air volumes in the plurality of regions are the same.
  • FIG. 32 shows an example of setting the wind direction angle of the left and right blades 8 when there is no windshield and when there is a windshield when there is one region determined to have a person.
  • (a1) and (a2) are when the person is in the front area B
  • (b) is when the person is in the left area A
  • (c) is when the person is in the right area C. .
  • the setting of the left and right wind direction when no windbreak is selected sets the angle of each left and right blade 8 so that the blown airflow is directed toward the area where the person is present.
  • the left blade unit 8a and the right blade unit 8c are set at an inward angle of 35 degrees, and the central blade unit 8b is set to 0 degrees in the front direction. Set to.
  • the opening width of the blown airflow in the front direction of the region B can be reduced, and the blown airflow can be concentrated in the region B where people are present, and the air conditioning range is limited to the region where people are present. Air conditioning can be performed.
  • the left blade unit 8a and the central blade unit 8b are set to an angle of 35 degrees to the left, and the right blade unit 8c is set to 50 degrees to the left.
  • the opening width of the blown airflow toward the left direction toward the region A is reduced, and the blown airflow can be concentrated in the region A where people are present, and the air conditioning range is limited to the region where people are present. Good air conditioning can be done.
  • the angles of the left and right blades 8 are set so that the blown airflow is directed toward each region where there is no person.
  • the area characteristics of the area A where there is no person are The area characteristics of the life section I and the area C where there is no person will be described for the life section II.
  • the life divisions in the two areas A and C where no person is adjacent to the area B where the person is present are compared, and the blowing airflow toward the area A where the frequency of the person is higher is more frequent.
  • the left blade unit 8a and the central blade unit 8b are set at an angle of 35 degrees to the left so that the opening ratio of the outlet is larger than the blowing airflow in the direction of the low region C, and the right blade unit 8c is set to an angle of 35 degrees to the right. Set to an angle.
  • it is possible to perform more efficient air conditioning by reducing useless air conditioning for areas where there is a low possibility of people being present.
  • the left blade unit 8a is set to an angle of 35 degrees to the left
  • the right blade unit 8c is set to an angle of 35 degrees to the right
  • the central blade unit 8b is set to an angle of 35 degrees to the left and the right 35 It is set so that it swings between the angle of degree.
  • the central blade unit 8b is fixed in the region A for a predetermined time, then swings in the direction of the region C and is fixed in the region C for a predetermined time, and then swings in the direction of the region A and is predetermined in the region A. Repeat the operation of fixed time.
  • the wind direction of the upper and lower blades 6 is set to be slightly higher or lower so as not to hit the person in the front area B. This makes it possible to distribute the ratio of the air flow rate of the blown airflow to the area A and the area C to about 1: 1, and to perform windbreak for the person so as not to impair the comfort of the area B where the person is present as much as possible. it can.
  • the left blade unit 8a and the central blade unit 8b are in front so that the blowing airflow to the region B adjacent to the region A where the person is present is larger than the blowing airflow toward the non-adjacent region C.
  • the angle is set to an angle of 0 degrees
  • the right blade unit 8c is set to an angle of 35 degrees to the right. This makes it possible to distribute the ratio of the air flow rate of the blown airflow to the region B and the region C to about 2: 1, giving priority to the region B adjacent to the region A where the person is present among the regions B and C where there is no person.
  • Air conditioning it is possible to avoid wind damage to the person so as not to impair the comfort of the area A in which people are present as much as possible, and to reduce wasteful air-conditioning to the area C away from the area A in which people are present.
  • Air conditioning can be performed.
  • the distribution of the air volume ratio is the same when the area B is a non-living area (living category III).
  • the area B A case will be described in which the characteristic is the life category II and the region characteristic of the region A where there is no person is the life category III.
  • the angle of the left and right blades 8 is set so as to distribute 100% of the air volume to the area B which is a living area.
  • the area to be air-conditioned is divided into four or more areas, and the control is performed in the same manner when there is one area determined to have a person.
  • the wind direction control of the left and right blades 8 is performed paying attention to two regions having different degrees of adjacency with respect to a region where a person is present.
  • the left and right blades 8 are basically controlled as follows. (1) When “No windbreak” is selected by the windscreen selection means In this case, the wind direction control of the left and right blades 8 sets the angle of each left and right blade 8 so as to direct the blown airflow in the direction of each region where a person is present. . The air volume ratio of the blown airflow is performed according to the region characteristics or activity amount of each region where a person is present. (I) When the amount of human activity in the two areas is the same-The left and right blades 8 are controlled so that the air volume in the area where the frequency of human presence is higher than the air volume in the area where the frequency of human activity is low.
  • the left and right blades 8 are controlled so that the air volumes in the plurality of regions are the same.
  • the left and right blades 8 are controlled so that the air volume in the area with a large amount of activity is greater than the air volume in the area with a small amount of activity.
  • the left and right blades 8 are controlled so that the air volume in the region with a large amount of activity is less than the air volume in the region with a small amount of activity.
  • the left and right blades 8 are controlled as in (ii) with priority given to the amount of activity.
  • “Wind Shield” is selected by the Wind Shield Selector • All the left and right blades 8 are controlled to face an area where no people are present.
  • FIGS. FIG. 33 and FIG. 34 show an example of setting the wind direction angle of the left and right blades 8 when there is no wind protection and when there is wind protection when there are two regions determined to have people.
  • (d1) and (d2) of FIG. 33 when there are people in the left region A and the right region C
  • (e1) and (e2) of FIG. 34 there are people in the front region B and the right region C.
  • (f) a person is present in the left area A and the front area B.
  • the right blade unit 8c is set to an angle of 35 degrees to the right.
  • the left blade unit 8a is set to an angle of 35 degrees to the left and the right blade unit 8c is to the right.
  • the central blade unit 8b is set to swing (swing) between an angle of 35 degrees leftward and an angle of 35 degrees rightward.
  • the central blade unit 8b is fixed in the region A for a predetermined time, then swings in the direction of the region C and is fixed in the region C for a predetermined time, and then swings in the direction of the region A and is predetermined in the region A. Repeat the operation of fixed time. This makes it possible to distribute the ratio of the air flow rate of the blown airflow to the area A and the area C to about 1: 1, so that the comfort of the areas A and C in which people are present is comfortable without waste. Air conditioning can be performed.
  • the left and right blades 8 are controlled in the same manner, and the left blade unit 8a has a front direction of 0 degrees.
  • the right blade unit 8c is set to an angle of 35 degrees to the right, and the central blade unit 8b swings (oscillates) between an angle of 0 degrees facing the front and an angle of 35 degrees to the right.
  • the area characteristics of the two areas B and C where there are persons are A case where the amount of activity is the same and the amount of activity is different (the amount of activity in the region B where the person is present is resting and the amount of activity in the region C where the person is present is medium) will be described.
  • the amount of activity in the two regions B and C where the person is present is compared.
  • the air flow in the direction of the region C where the amount of activity is larger is blown out in the direction of the region B where the amount of activity is smaller.
  • the left blade unit 8a is set to an angle of 0 degrees in the front direction
  • the central blade unit 8b and the right blade unit 8c are set to an angle of 35 degrees in the right direction so that the opening ratio of the air outlet becomes larger than the air flow.
  • This makes it possible to distribute the ratio of the air flow rate of the blown airflow to the area B and the area C to about 1: 2, and preferentially air-condition the area C having a larger activity amount among the areas B and C where people are present.
  • More comfortable air conditioning can be performed according to the activity state.
  • the air flow in the direction of the region C where the amount of activity is larger is opposite to that during cooling, and the opening ratio of the air outlet is larger than the air flow in the direction of the region B where the amount of activity is smaller.
  • the left blade unit 8a and the central blade unit 8b are set to an angle of 0 degrees facing the front, and the right blade unit 8c is set to an angle of 35 degrees to the right so that the airflow to the areas B and C is reduced.
  • region characteristics of the two regions A and B where there are people A case will be described where the amount of activity is different (when the amount of activity in the region A where the person is present is small and the region characteristic is I, and the amount of activity in the region B where the person is present is medium and the region characteristic is II).
  • region B has a larger amount of activity and region properties are smaller than region A. That is, region B has a higher priority in the priority order based on the amount of activity, and region A has a higher priority in the priority order in the region characteristics.
  • the air volume distribution of the blown airflow is determined giving priority to the activity amount reflecting the current heat and coldness.
  • the left blade unit 8a is configured such that the blowout airflow in the direction of the region B where the activity amount is larger is larger than the blowing airflow in the direction of the region A where the activity amount is smaller. Is set to an angle of 35 degrees to the left, and the central blade unit 8b and the right blade unit 8c are set to an angle of 0 degrees facing the front. Thereby, it becomes possible to distribute the ratio of the air flow rate of the blown airflow to the area A and the area B to about 1: 2, and it is possible to perform more comfortable air conditioning according to the activity state of each person in each area. .
  • the area A where the activity amount is smaller is preferentially air-conditioned among the areas A and B where people are present.
  • the wind direction control of the left and right blades 8 when there are two areas determined to have people and windbreaks are set is to set the angles of the left and right blades 8 so that the blown airflow is directed toward the areas where there are no people To do.
  • the wind direction control of the left and right blades 8 in this case will be described by taking as an example the case where there is a person in the front area B and the right area C and there is no person in the left area A as shown in (e1).
  • the left blade unit 8a and the central blade unit 8b are set to an angle of 35 degrees to the left
  • the right blade unit 8c is set to 50 degrees to the left.
  • the left and right blades 8 are set at an angle so that the blown airflow is concentrated in an area where no person is present.
  • the area to be air-conditioned is divided into four or more areas, and the same control is performed when there are two areas determined to have people. That is, when two regions where people are adjacent to each other, for example, the wind direction control of the left and right blades 8 is performed focusing on two regions where people are present and one region adjacent to these regions. When two areas are not adjacent to each other, for example, the wind direction control of the left and right blades 8 is performed by paying attention to two areas where people are present and one area located between these areas.
  • the left and right blades 8 of each area separated to the left, center, and right are controlled toward each area, while when the windbreak is present With the left and right blades 8 of each area facing each region, the upper and lower blades 6 are set upward.
  • the area to be air-conditioned is divided into four or more areas and there are three areas determined to have people, if there is no windbreak, the left and right blades 8 of each area separated into left, center and right
  • the left and right blades 8 of each area are angled so that the blown airflow is concentrated on an area where no person is present.
  • the rotation speed of each area is set according to each of the areas A to C in which air conditioning is performed as follows.
  • Area B 400 rpm (during heating), 300 rpm (during cooling)
  • Area A, C 450 rpm (during heating), 350 rpm (during cooling)
  • relative position is introduced as an expression representing the positional relationship with the indoor unit such as the distance from the indoor unit in each region, the angle from the front of the indoor unit, and the height difference.
  • the degree of air conditioning that is easy to air-condition and difficult to air-condition in each area is expressed by the expression of air-conditioning requirement.
  • the set rotational speed of the blower fan 3 when air conditioning is performed in each of the areas A to C is set higher as the air conditioning requirement level is higher. That is, the set rotational speed of the blower fan 3 is set higher in a region shifted to the left and right from the front. Further, when there is one area to be air-conditioned, it is set to the set rotation speed (air volume) of that area, and when there are a plurality of areas to be air-conditioned, it is set to the set rotation speed of the area where the degree of air conditioning requirement is high.
  • the living room 99 is a horizontally long rectangle, and the indoor unit is installed on the wall having a short side.
  • the sensor unit 12 is rotated 90 degrees from the state shown in FIG. 22A to the state shown in FIG. 22B, the air direction control of the upper and lower blades 6 and the rotational speed control of the blower fan 3 are performed. explain.
  • the angle of the upper and lower blades 6 is set aiming at the front edge (the edge on the indoor unit side) of the area where people are present in order to warm the feet.
  • windbreak protection is selected, set upward so that warm air does not directly hit the body.
  • the angle of the upper and lower blades 6 is set slightly downward from the horizontal aiming at the upper body of the person, and when selecting with windbreak, it is set upward so that the cold wind does not directly hit the body.
  • all the left and right blades 8 are controlled so as to face an area where a person is present.
  • a plurality of upper and lower blades 6 may be integrally swung up and down, and the upper and lower blades 6 are composed of three upper and lower blades 6, the upper upper and lower blades 6, and the lower upper and lower blades 6. It is also possible to swing the blades 6 independently.
  • the upper and lower blades 6 are controlled as follows. (1) When “No windbreak” is selected by the windbreak selection means • During cooling: The upper and lower blades 6 are controlled slightly downward from the horizontal. -During heating: The upper and lower blades 6 are controlled aiming at the leading edge of the area where people are present. (2) When “With windbreak” is selected by the windbreak selection means • The upper and lower blades 6 are controlled upward regardless of the area where the person is present and the air conditioning.
  • the upper and lower blades 6 are controlled as follows. (1) When “No windbreak” is selected by the windbreak selection means • During heating: The upper and lower blades 6 are controlled aiming at the leading edge of the area close to the indoor unit among two or more areas where people are present. -During cooling: The upper and lower blades 6 are controlled slightly downward from the horizontal. (2) When “With windbreak” is selected by the windbreak selection means • The upper and lower blades 6 are controlled upward regardless of the area where the person is present and the air conditioning.
  • each of the upper and lower blades 6 is controlled in the same manner as a configuration in which the plurality of upper and lower blades 6 are integrally swung up and down.
  • the upper and lower blades 6 are controlled as follows. (1) When “No windbreak” is selected by the windbreak selection means In this case, the angle of the wind direction control of the upper and lower blades 6 is set so that the blown airflow is directed toward each region where a person is present. The air volume ratio of the blown airflow is performed according to the region characteristics or activity amount of each region where a person is present. (I) When the amount of human activity in the two areas is the same: The upper and lower blades 6 are controlled so that the air volume in the area where the frequency of human presence is higher than the air volume in the area where the frequency of human activity is low.
  • the upper and lower blades 6 are controlled as described in (ii) with priority given to the amount of activity.
  • the lower upper and lower blades 6 are controlled aiming at a region close to the indoor unit, the central upper and lower blades 6 are controlled aiming at the central region, and the upper upper and lower blades 6 are controlled aiming at a region far from the indoor unit.
  • the upper and lower blades 6 are controlled upward.
  • the rotation speed of each area is set according to each area where air conditioning is performed.
  • Area close to indoor unit 800 rpm (during heating), 600 rpm (during cooling)
  • Central area 1000 rpm (during heating), 720 rpm (during cooling)
  • Area far from indoor unit 1200 rpm (during heating), 850 rpm (during cooling)
  • the angle of the left and right blades 8 can be set as appropriate so that the airflow ratio of the blown airflow from the indoor unit to the area A and the area C can be distributed to about 2: 1, about 1: 1, etc.
  • the right and left blades 8 become resistance, and the amount of blown air decreases.
  • the position of the rotation shaft 8b1 of the center blade unit 8b is moved forward from the position of the rotation shaft 8a1 of the left blade unit 8a and the rotation shaft 8c1 of the right blade unit 8c.
  • the distance B between the left blade unit 8a (or right blade unit 8c) and the central blade unit 8b when the angle is tilted is such that the rotation shaft 8b1 of the central blade unit 8b and the rotation shaft 8a1 of the left blade unit 8a and the right blade unit 8c It can be taken larger than the interval A in the case of being arranged in a straight line with the rotary shaft 8c1.
  • both the left and right blades of the left blade unit 8a and the right blade unit 8c may be curved so as to be convex inward. That is, by changing the left and right blades of the left blade unit 8a to the left side and the right and left blades of the right blade unit 8c to the right side, the airflow in the left direction and the right direction can be changed more easily.
  • the blade shape of the central blade unit 8b may be a flat plate shape or a shape having convex surfaces on both sides.
  • the left and right blades of the central blade unit 8b are on the left side, and the right and left blades are on the right side. If each is curved, the airflow change in the left-right direction can be more easily performed. If the central blade unit 8b is composed of an odd number of left and right blades, the left and right blades on the left side of the central blade unit 8b can be curved on the left side, and the left and right blades on the right side can be curved on the right side. That's fine.
  • the central blade unit 8b is composed of four left and right blades.
  • the two left and right blades of the central blade unit 8b are on the left side, and the two right and left blades are on the right side.
  • the central blade unit 8b is composed of an even number of left and right blades
  • the left and right blades positioned on the left side of the center may be curved on the left side
  • the left and right blades positioned on the right side may be curved on the right side.
  • the left and right blades located in the left half are connected by the connecting bars 18, and the left and right blades located in the right half are connected by the connecting bars 19.
  • Each of them is connected to a drive device (not shown) so that the left and right blades of the central blade unit 8b can be independently angle-changed by left and right halves.
  • the left air unit 8a is directed to the left
  • the left half of the central blade unit 8b is directed to the left
  • the right blade unit 8c is directed to the right
  • the right half of the central blade unit 8b is directed to the right.
  • the left blade unit 8a is directed to the left
  • the central blade unit 8b is directed to the left of both the left and right halves
  • the right blade unit 8c is directed to the right, whereby the amount of air blown to the left
  • the amount of air blown to the right side can be divided into about 2: 1.
  • the shape of the left and right blades changes the wind to the left and right when the left and right blades located on the left side of the center are curved on the left side and the left and right blades located on the right side are curved on the right side.
  • it may be flat or may have a convex surface on both sides.
  • the angle change of the left blade unit 8a, the central blade unit 8b, and the right blade unit 8c is changed from the zero point where the drive motor 10 is set by an instruction of an electronic control unit (not shown) incorporated in the housing 1. This is done by rotating the indicated angle. For this reason, when the air conditioner starts operation, the left and right blades are temporarily set to a zero point and are controlled to rotate to the designated position.
  • the indoor unit shown in FIG. 1 is provided with a movable front panel (not shown) for opening the air outlet 5 during operation of the air conditioner and closing the air outlet 5 when the air conditioner is stopped.
  • the left and right blades of the center blade unit 8b Is set to be symmetrical (for example, ⁇ 35 °), even if the central blade unit 8b is tilted to the right or left as much as possible, it collides with the movable front panel when stopped. Therefore, the maximum rotation angle of either the left or right blade of the central blade unit 8b is set to be larger than the normal rotation range, and when the air conditioner is stopped, the left and right blades of the central blade unit 8b are set to a maximum rotation.
  • the rotation range of each unit is changed.
  • the left blade unit 8a is ⁇ 50 ° (the rotation range is symmetrical and total 100 °)
  • the central blade unit 8b is + 80 ° to -35 ° (the rotation range when operating the air conditioner is symmetrical and total 70 ° ( ⁇ 35 °), the maximum rotation angle when the air conditioner is stopped is + 80 °)
  • the right blade unit 8c is ⁇ 50 ° (rotation range) Is set to a rotation range of 100 ° in total, and provided with a stopper (not shown) for contacting the left and right blades so that the left and right blades do not rotate beyond the rotation range.
  • the left and right blades on the right side of the left blade unit 8a and the left and right blades on the left side of the central blade unit 8b, or the left and right blades on the right side of the central blade unit 8b and the left and right blades on the right blade unit 8c There has been set the center of rotation of the left and right wings in a position not in contact. For this reason, even if the left and right blades stop at any position, the three units can be rotated at the same time when the zero point is set, so the time required for initialization can be shortened.
  • the clockwise rotation is (+) and the counterclockwise rotation is ( ⁇ ).
  • a timer is provided in the indoor unit, and the absence detection energy saving control and the forgetting-off prevention control are performed using this timer.
  • the absence detection energy-saving control and the forgetting-off prevention control will be described below.
  • FIG. 42 shows an example of the temperature shift.
  • the set temperature Tset is 28 ° C. and the target temperature (limit value) is 20 ° C.
  • ⁇ T is a temperature difference between the set temperature Tset and the target temperature.
  • the timer starts counting. After the timer starts counting, there is no person at time t1 (for example, 10 minutes). If confirmed, the set temperature Tset is automatically reduced by 2 ° C. (1 / 4 ⁇ T). Further, when the absence of a person is confirmed at time t2 (for example, 30 minutes after the start of counting), the set temperature Tset is automatically further reduced by 2 ° C. (1 / 4 ⁇ T). Similarly, when the absence of a person is confirmed at time t3 (eg, 1 hour after the start of counting) and time t4 (eg, 2 hours after the start of counting), the set temperature Tset is set to 2 ° C. (1 / 4 ⁇ T), respectively. Reduce automatically.
  • the total temperature is reduced by 8 ° C. from the set temperature Tset to 20 ° C., which is equal to the target temperature. Therefore, the set temperature Tset is maintained at the target temperature until time t5 (for example, 4 hours after the start of counting).
  • time t5 for example, 4 hours after the start of counting.
  • the operation of the air conditioner is stopped to prevent forgetting to turn off the air conditioner.
  • the temperature is returned to the set temperature Tset before time t1.
  • the temperature shift width (reduced temperature) is set as shown in Table 4 according to the temperature difference ⁇ T between the set temperature Tset and the target temperature, and the temperature shift width is smaller as the temperature difference ⁇ T is smaller.
  • the set temperature Tset is lower than the target temperature, the current temperature is maintained.
  • the absence of a person is confirmed at time t5
  • the operation of the air conditioner is stopped in the same manner as in the example of FIG. is there.
  • FIG. 43 shows an example of the temperature shift.
  • the set temperature Tset is 20 ° C. and the target temperature (limit value) is 28 ° C.
  • ⁇ T is a temperature difference between the set temperature Tset and the target temperature.
  • the timer starts counting. After the timer starts counting, there is no person at time t1 (for example, 10 minutes). If confirmed, the set temperature Tset is automatically increased by 2 ° C. (1 / 4 ⁇ T). Further, when the absence of a person is confirmed at time t2 (for example, 30 minutes after the start of counting), the set temperature Tset is automatically further increased by 2 ° C. (1 / 4 ⁇ T). Similarly, when the absence of a person is confirmed at time t3 (eg, 1 hour after the start of counting) and time t4 (eg, 2 hours after the start of counting), the set temperature Tset is set to 2 ° C. (1 / 4 ⁇ T), respectively. Increases automatically.
  • the total temperature is increased by 8 ° C. from the set temperature Tset to 28 ° C., which is equal to the target temperature. Therefore, the set temperature Tset is maintained at the target temperature until time t5 (for example, 4 hours after the start of counting).
  • time t5 for example, 4 hours after the start of counting.
  • the operation of the air conditioner is stopped to prevent forgetting to turn off the air conditioner.
  • the temperature is returned to the set temperature Tset before time t1.
  • the temperature shift width (increased temperature) is set as shown in Table 5 according to the temperature difference ⁇ T between the set temperature Tset and the target temperature, and the temperature shift width is smaller as the temperature difference ⁇ T is smaller.
  • the set temperature Tset is higher than the target temperature, the current temperature is maintained.
  • the absence of a person is confirmed at time t5, the operation of the air conditioner is stopped in the same manner as in the example of FIG. is there.
  • FIG. 44 shows an example in which the power saving operation is achieved by controlling the air volume (rotation speed) of the blower fan 3 and the capacity of the compressor provided in the outdoor unit.
  • the timer starts counting, and after the timer starts counting, the time t1
  • the air volume of the blower fan 3 is increased as shown in FIG. 44 (b)
  • the compressor as shown in FIG. 44 (c).
  • time t2 for example, 30 minutes after the start of counting.
  • the air volume of the blower fan 3 is kept constant (limit value), and after the time t2, the compressor frequency is kept constant (limit value), but the time t2, time t3 (for example, count)
  • time t4 for example, 2 hours after the start of counting
  • time t5 for example, 4 hours after the start of counting
  • absence detection energy saving control and forgetting prevention control are air conditioners provided with at least one human body detection sensor in the indoor unit, absence detection energy saving control and forgetting prevention control are performed according to the output from one human body detection sensor. It can be performed.
  • At least one human body detection sensor is attached to the lower side of the air outlet of the indoor unit, so that a sufficient visual field range is secured to accurately grasp the presence or absence of a person. Since the cover that covers the human body detection sensor can be provided and the cover is reinforced by providing the spacer between the cover and the human body detection sensor, various air conditioners including a general home air conditioner Useful as.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
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  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention concerne un boîtier d'un climatiseur monté sur le sol qui est pourvu d'un capteur de corps humain comportant une lentille Fresnel pour collecter des rayons infrarouges émis à partir d'une personne dans la pièce, un élément pour détecter des rayons infrarouges, et une carte de circuit imprimé qui est montée sur l'élément et qui détermine si une personne et présente ou non, sur la base de la sortie de l'élément. Le capteur de corps humain est prévu dans une position inférieure à la sortie d'air dans la face avant du boîtier.
PCT/JP2009/000323 2008-02-08 2009-01-28 Climatiseur WO2009098848A1 (fr)

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JP2008-029002 2008-02-08
JP2008029002A JP5117214B2 (ja) 2008-02-08 2008-02-08 空気調和機
JP2008-028999 2008-02-08
JP2008028999A JP2009186134A (ja) 2008-02-08 2008-02-08 空気調和機
JP2008-190910 2008-07-24
JP2008190910A JP2010025520A (ja) 2008-07-24 2008-07-24 空気調和機

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WO2014126469A1 (fr) * 2013-02-18 2014-08-21 Tvilight B.V. Système détecteur de mouvement, système d'éclairage muni d'un tel système et procédé de détection de véhicules et/ou de piétons en mouvement
WO2014198126A1 (fr) * 2013-06-14 2014-12-18 珠海格力电器股份有限公司 Contrôleur de ligne
GB2595932A (en) * 2020-06-12 2021-12-15 Nanjing Enwell Tech Service Co Ltd Smart air-heating bathroom heater

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JP6473289B2 (ja) * 2013-10-23 2019-02-20 日立ジョンソンコントロールズ空調株式会社 空気調和機の室内機及びこれを用いた空気調和機
CN105371421B (zh) * 2014-09-02 2019-04-23 青岛海尔空调器有限总公司 一种空调控制方法和空调器
CN104566871A (zh) * 2015-02-03 2015-04-29 珠海格力电器股份有限公司 红外线传感器的调节装置以及空调
JPWO2016143396A1 (ja) * 2015-03-10 2017-09-14 三菱電機株式会社 空気清浄機
WO2016143393A1 (fr) * 2015-03-12 2016-09-15 三菱電機株式会社 Purificateur d'air
CN106288137A (zh) * 2015-06-12 2017-01-04 广东美的制冷设备有限公司 空调器室内机
CN105258226B (zh) * 2015-11-17 2019-03-12 美的集团武汉制冷设备有限公司 空调室内机
CN107421070A (zh) * 2017-07-28 2017-12-01 珠海格力电器股份有限公司 空调送风方法、控制装置及具有该装置的空调
CN107366974B (zh) * 2017-08-30 2023-12-12 广东美的制冷设备有限公司 空调柜机
JP2020029966A (ja) * 2018-08-21 2020-02-27 パナソニックＩｐマネジメント株式会社 空気清浄機
WO2020194665A1 (fr) * 2019-03-28 2020-10-01 三菱電機株式会社 Dispositif de fixation de carte, dispositif de détection de fluide frigorigène et dispositif à cycle de réfrigération

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WO2014126469A1 (fr) * 2013-02-18 2014-08-21 Tvilight B.V. Système détecteur de mouvement, système d'éclairage muni d'un tel système et procédé de détection de véhicules et/ou de piétons en mouvement
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WO2014198126A1 (fr) * 2013-06-14 2014-12-18 珠海格力电器股份有限公司 Contrôleur de ligne
GB2595932A (en) * 2020-06-12 2021-12-15 Nanjing Enwell Tech Service Co Ltd Smart air-heating bathroom heater

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