JP5978186B2 - Air conditioner - Google Patents

Description

  The present invention relates to an air conditioner that detects a room temperature and a person to control the room temperature, and relates to a control technology for a sensor that detects the room temperature and a person.

In recent years, air sensors have been equipped with image sensors and temperature sensors to detect the temperature distribution in the room and the actions of people in the room, and control the temperature, direction, and volume of the blown air to improve air conditioning comfort and save energy A harmony machine has been realized.
Said air conditioner is disclosed by patent document 1, for example. Specifically, the air conditioner of Patent Document 1 is equipped with an image sensor that captures image information of the indoor space, detects movement based on the acquired image information, and controls the vertical flap and the left and right that control the vertical direction of the indoor unit. The left and right flaps that control the wind direction of the direction are configured to distribute the airflow as a flap mechanism that freely controls the airflow regardless of the location of the person, and the position of the person is identified from the amount of movement of the image information, The direction and distance of blowing air toward the existing area are controlled.
Furthermore, the air conditioner of Patent Document 1 is equipped with a floor temperature sensor that detects the floor temperature of an area that is divided into several parts in the left-right and up-down directions, and according to the floor temperature in the vicinity of the position of the person acquired by the image sensor, A technique for setting an optimal set temperature and controlling the rotation speed of a fan is disclosed.

  In addition, the air conditioner disclosed in Patent Document 2 acquires an indoor thermal image by rotating and scanning an infrared sensor in which eight light receiving elements are vertically arranged in the left-right direction. While detecting the temperature of the wall surface, the position of a person is detected from the change in the thermal image data to control the air conditioning of the air conditioner.

JP 2006-220405 A JP 2010-276324 A

As described above, by mounting an image sensor and a temperature sensor, it becomes easy to grasp indoor conditions and detect people, and to perform fine air conditioning management. However, as described in Patent Document 2, an infrared sensor used for temperature detection generally has a slower response speed than an image sensor such as a CCD. For this reason, a deviation may occur between the actual temperature at a predetermined position of the captured image detected by the image sensor and the temperature detected by a temperature sensor such as an infrared sensor.
Further, there is no two-dimensional high resolution infrared sensor used for temperature detection like an image sensor such as a CCD. For this reason, since the one-dimensional sensor is scanned and used, temperature detection is performed a plurality of times, and it takes time to scan the detection region. For this reason, there is a problem that the temperature at a predetermined position cannot be obtained accurately.
In addition, an image sensor that can grasp both short-term changes such as people entering and exiting and detecting the amount of activity, and relatively long-term changes such as room layout and optimization of air conditioning in areas with sunlight. There is a need for a temperature sensor control method.
An object of the present invention is to provide an air conditioner equipped with a detection device in which an imaging device and a temperature sensor are operated in cooperation to reduce the influence of the response speed of the temperature detection sensor.

In order to solve the above problems, an air conditioner of the present invention rotates in the left-right direction by rotating in the left-right direction, and rotates in the left-right direction independently of the imaging unit, thereby And a sensor driving unit that starts rotation of the imaging unit when the imaging region of the imaging unit and the detection region of the temperature detection unit partially overlap each other in the left-right direction. The detection region of the temperature detection unit is narrower than the imaging region of the imaging unit, and the imaging unit is configured such that the detection region in the left-right direction of the temperature detection unit is located within the imaging region in the left-right direction of the imaging unit. Image was taken.
Further, in another aspect, the imaging unit of the air conditioner of the present invention is to rotate about the one direction disposed an imaging element in two-dimensional images a room where the air conditioner, the temperature detecting parts are rotated about the arrangement direction disposed the heat receiving element in one dimension to detect the radiant heat of the indoor, rotation of the rotation and the temperature detecting portion of the front SL imaging unit parallel a first operating state of operating, rotating operation of the rotating operation and the temperature detecting portion of the imaging unit has to have a second operation state takes place sequentially.

  Since the air conditioner to which the present invention is applied can reduce adverse effects due to the response speed of the temperature detection sensor, the comfort of the occupant can be improved and the energy saving effect can be increased.

It is a figure which shows the front external appearance of the air conditioner of an Example. It is a sectional side view of the indoor unit 1 of an Example. It is a figure explaining the horizontal scan of the thermopile 27b of the temperature detection means 27. FIG. It is a figure explaining the horizontal scanning of the CCD image sensor 26b of the imaging means 26. FIG. It is a figure explaining the relationship of the rotation angle of CCD image sensor 26b of the imaging means 26, and the thermopile 27b of the temperature detection means 27. It is a figure which shows the imaging result of the temperature detection means 27. FIG. It is a figure which shows the imaging result of the imaging means. It is a figure which shows an example of the structure of a gear connection in connection with the mechanism of a temperature detection means or an imaging means. It is a figure which shows an example of a structure of a 4 node link connection in connection with the mechanism of a temperature detection means or an imaging means. It is a figure which shows the imaging state of the vertical cross section of the temperature detection means 27. It is a control block diagram of the air conditioner of an Example. It is a figure explaining operation | movement of the temperature detection means at the time of room monitoring mode, and an imaging means. It is a figure explaining operation | movement of the temperature detection means at the time of person monitoring mode, and an imaging means. It is a temperature detection flowchart which reduces a time gap.

  Embodiments of the present invention will be described below with reference to the drawings. In each drawing and each embodiment, the same or similar components are denoted by the same reference numerals, and redundant description is omitted.

  FIG. 1 is a front view showing the appearance of the air conditioner according to the present embodiment. The air conditioner is composed of an indoor unit 1, an outdoor unit 2, and a remote controller 3. The indoor unit 1 and the outdoor unit 2 are connected by a refrigerant pipe (not shown), and the indoor unit is connected by a known refrigerant cycle. Air-condition the room where 1 is installed. Moreover, the indoor unit 1 and the outdoor unit 2 mutually transmit / receive information via a communication cable (not shown).

  The remote controller 3 is operated by the user, and transmits an infrared signal corresponding to the user's operation instruction to the remote controller 3 receiver of the indoor unit 1. The contents of the signal are commands such as an operation request, a change in set temperature, a timer, an operation mode change, and a stop request. Based on these signals, the air conditioner performs air conditioning operations such as a cooling mode, a heating mode, and a dehumidifying mode.

In addition, an imaging unit 26 and a temperature detection unit 27, which will be described in detail later, are provided in front of the indoor unit 1 of the air conditioner.
The indoor unit includes a sensor unit 4 including a room temperature sensor that measures the temperature of air taken into the indoor unit 1, a humidity sensor, and an illuminance sensor. The outdoor unit 2 is similarly provided with an outside air temperature sensor.
Reference numeral 11 denotes an electrical component, which includes a control unit 7 that controls the air conditioner 1. Details will be described with reference to FIG.

FIG. 2 is a side sectional view of the indoor unit 1. The housing base 8 accommodates internal structures such as a heat exchanger 9, a blower fan 10, an electrical component 11 (see FIG. 1), a sensor unit 4 (see FIG. 1), an imaging unit 26, and a temperature detecting unit 27. Yes.
The heat exchanger 9 has a plurality of heat transfer tubes, heats the air taken into the indoor unit 1 by the blower fan 10 with a refrigerant flowing through the heat transfer tubes, and heats or cools the air. It is configured. The heat transfer tube communicates with the above-described refrigerant pipe (not shown) and constitutes a part of a known refrigerant cycle (not shown).

The left and right wind direction plates 13 are rotated by a motor (not shown) for the left and right wind direction plates 13 according to an instruction from the control unit 7 (see FIG. 8) with a rotation shaft (not shown) provided at the bottom as a fulcrum. The
The vertical wind direction plate 14 is rotated by a motor (not shown) for the vertical wind direction plate 14 with pivot shafts (not shown) provided at both ends as fulcrums according to instructions from the control unit 7 (see FIG. 8). Is done.
The front panel 15 is installed so as to cover the front surface of the indoor unit 1, and is configured to be rotatable by a motor (not shown) for the front panel 15 with the lower end as an axis. Incidentally, the front panel 15 may be configured to be fixed to the upper end or may not be able to rotate.

When the blower fan 10 shown in FIG. 2 rotates, the room air is taken in from the front surface of the indoor unit 1 through the air suction port 17 and the filter 16, and the air exchanged by the heat exchanger 9 is blown out. Led to. Further, the air guided to the blowout air passage 18 is adjusted in the wind direction by the left and right wind direction plates 13 and the up and down wind direction plates 14 and is sent to the outside from the air blowing port 19 to air-condition the room.
That is, the amount of blown air is controlled by the rotation speed of the blower fan 10, the left and right blowing directions are controlled by the rotation of the left and right wind direction plates 13, and the upper and lower blowing directions are controlled by the rotation of the upper and lower wind direction plates 14.

The image pickup means 26 is, for example, a CCD (Charge Coupled Device) image sensor 26b (see FIG. 3B), and is installed at the lower center of the front panel 15 in the left-right direction .
Further, the temperature detection means 27 is a thermopile 27b (see FIG. 3a) composed of, for example, 1 × 1 pixel, 4 × 4 pixel, and 1 × 8 pixel in the horizontal and vertical directions, and is a lower portion of the front panel 15 at the center in the horizontal direction. Is installed. In this embodiment, a case where a thermopile 27b composed of 1 × 8 pixels is used will be described. In addition, thermography may be used.

The imaging means 26 and the temperature detection means 27 are installed such that the optical axis 36 of the lens faces downward with respect to the horizontal line 37 by a predetermined angle so that the room in which the indoor unit 1 is installed can be appropriately imaged. It has become. The angle at which the imaging unit 26 faces downward is substantially the same as the angle at which the temperature detection unit 27 faces downward.
When the detection ranges in the vertical direction of the imaging unit 26 and the temperature detection unit 27 are different, the upper ends of the detection ranges are aligned. Alternatively, the lower ends may be aligned.

The angle of view in the horizontal direction of the image pickup means 26 and the temperature detection means 27 is substantially the same angle. Alternatively, one may be larger than the other, and a substantially equivalent angle of view may be obtained by changing the angle of view by turning. The imaging means 26 and the temperature detection means 27 are provided so as to be positioned in the horizontal direction or the vertical direction.
In addition, it is desirable that the image pickup unit 26 and the temperature detection unit 27 be provided close to a position where space can be detected, such as the front central portion or the upper front portion of the indoor unit 1. Thereby, the deviation | shift amount of the acquired image of the imaging means 26 and the acquired image of the temperature detection means 27 can be made small.
Further, the imaging means 26 or the temperature detection means 27 may be at the upper end of the front panel 15 so that a wider range of the room can be seen with the same angle of view.

  Next, imaging by the imaging means 26 and the temperature detection means 27 will be described with reference to FIGS. 3a and 3b. The imaging means 26 is constituted by a CCD image sensor 26b having 640 × 480 pixels, and the temperature detecting means 27 is constituted by a thermopile 27b having 1 × 8 pixels. A lens is provided in front of the CCD image sensor 26b and the thermopile 27b, and a field image is formed on the sensor.

  The detection element of the thermopile 27b is a heat receiving element arranged one-dimensionally. As shown in FIG. 3a, scanning is performed in a direction perpendicular to the arrangement direction of the detection elements by rotating the thermopile 27b with the arrangement direction of the detection elements as a rotation axis. Thereby, a two-dimensional radiant heat image of 8 pixels can be acquired in the vertical direction. The number of pixels in the scanning direction (horizontal direction) of the acquired image will be described later.

  The CCD image sensor 26b is a two-dimensional image pickup device. In order to widen the acquired image range of the image pickup means 26, as shown in FIG. 3B, the CCD image sensor 26b has the vertical direction of the CCD image sensor 26b as the rotation axis. Rotate to scan in the horizontal direction. Thereby, a captured image larger than the number of pixels in the horizontal direction of the CCD image sensor 26b can be obtained.

  FIG. 4 is a diagram for explaining the relationship between the rotation angles of the CCD image sensor 26b of the image pickup means 26 and the thermopile 27b of the temperature detection means 27. Here, the CCD image sensor 26b has an angle of view of 60 °, the thermopile 27b has an angle of view of 5 °, and the imaging means 26 and the temperature detection means 27 have the same angle of view with a horizontal direction of 150 °. It is assumed that an image of the visual field is acquired.

  A solid line in FIG. 4 indicates a single imaging angle range of the CCD image sensor 26b, and a dotted line indicates a single detection angle range of the thermopile 27b. As shown in the figure, in order to obtain an acquired image having an angle of view of 150 °, the thermopile 27b acquires a radiant heat image in the central left and right range of 75 ° for each rotation angle of 5 °, and the CCD image sensor 26b. The image acquisition may be performed by performing imaging at three rotation angles of 45 ° to the left and right of the center.

5a and 5b are diagrams showing the imaging results of the imaging means 26 and the temperature detection means 27 that have taken images under the above conditions. The imaging means 26 can acquire an image having a field angle of 150 ° in the horizontal direction and a number of pixels of 1600 × 480. The temperature detection unit 27 can acquire a thermal image having a field angle of 150 ° in the horizontal direction and a pixel number of 30 × 8.
At this time, since there are overlapping areas in the captured image by the imaging unit 26, the image acquisition with the above-described number of pixels is performed by appropriately deleting or averaging.

The number of pixels of the acquired image is an example, and it is needless to say that various selections can be made depending on the angle of view to be acquired and the type of the CCD image sensor 26b and the thermopile 27b to be used.
At first glance, it seems that the resolution of the thermopile 27b is low, but if it is an application for measuring the temperature distribution in the room for air blow control of the air conditioner as in the embodiment, the above resolution is sufficient. Can be done. Of course, it is needless to say that high resolution is desirable.

  Next, a mechanism for rotating the thermopile 27b or the CCD image sensor 26b will be described. 6a and 6b are diagrams showing an outline of the mechanism. Here, it is assumed that a stepping motor 42 is used as a drive source for rotating the thermopile 27b or the CCD image sensor 26b. 6a and 6b,

In the mechanism shown in FIG. 6a, the rotating shaft that rotates the thermopile 27b or the CCD image sensor 26b and the drive shaft of the stepping motor 42 are connected via a gear. Even a stepping motor 42 with a small number of steps can obtain a desired rotation angle by selecting a gear ratio.
In the mechanism shown in FIG. 6b, the rotary shaft that rotates the thermopile 27b or the CCD image sensor 26b and the drive shaft of the stepping motor 42 are connected by a four-bar link, and the rotary motion can be converted into a swing motion.

  When the drive shaft is connected by the above-described gear or link, an error may occur in the rotational position accuracy due to gear backlash or link “play”. For this reason, it is desirable that the rotation direction at the time of imaging of the thermopile 27b or the CCD image sensor 26b at the time of imaging is set to one direction so that an error of the rotation angle due to “play” does not occur. Further, an adjustment amount for absorbing “play” may be obtained in advance, and adjustment may be performed when the rotation direction is reversed.

  FIG. 7 is a diagram illustrating an imaging state of a vertical cross section of the temperature detection unit 27. As described above, the thermopile 27b of the temperature detecting means 27 is composed of eight elements in the vertical direction. The radiant heat in the region 1 to 8 in FIG. 7 is detected by the heat receiving element. As can be seen from FIG. 7, the upper and lower sides of the imaging result correspond to the indoor wall and floor, respectively.

FIG. 8 is a configuration diagram of a control circuit of the air conditioner according to the embodiment.
The CCD image sensor 26b of the imaging unit 26 and the thermopile 27b of the temperature detection unit 27 are driven to rotate independently by the sensor rotation control unit 50, respectively. From the output signals of the CCD image sensor 26b and the thermopile 27b, the temperature distribution generation / determination processing unit 5 generates a two-dimensional radiant heat image and a captured image shown in FIGS. 5a and 5b.

The temperature distribution generation / determination processing unit 5 analyzes the two-dimensional captured image and the radiant heat image, and calculates the layout state, the presence / absence of a person, the number of persons, the activity rate, and the temperature distribution.
Then, the air conditioning temperature / wind direction processing unit 6 calculates the calculation result, the input values of the outside air temperature sensor control unit 51, the room temperature sensor control unit 52, the humidity sensor control unit 53, the illuminance sensor control unit 54, the remote control control unit 55, With reference to the set values by the remote controller 3 that communicates, the control amount such as the temperature / air volume and direction of the air is determined.
Based on the instruction from the air conditioning temperature / wind direction processing unit 6, the device control unit 7 controls the compressor driving unit 22 b, the outdoor unit fan motor driving unit 24, the four-way valve driving unit 34, and the motorized valve driving unit 35 of the outdoor unit 2. In addition to controlling the refrigerant cycle for cooling and heating, based on the instructions of the air conditioning temperature / wind direction processing unit 6, the up / down air direction plate driving unit 14b, the left / right air direction plate driving unit 13b, and the blower fan driving unit 10b. To control the blowing direction and air volume of cooling air and heating air.
The air conditioning temperature / wind direction processing unit 6 sets the operation state of the sensor rotation control unit 50.

  The temperature distribution generation / determination processing unit 5, the air conditioning temperature / wind direction processing unit 6, and the device control unit 7 are realized by a program process by a microprocessor.

<Example 1>
As described above, the imaging unit 26 and the temperature detection unit 27 can perform an imaging operation independently. For this reason, the operations of the image pickup means 26 and the temperature detection means 27 are changed in accordance with the function of the air conditioner. Here, the imaging function of the air conditioner includes a function mode (hereinafter referred to as a person monitoring mode) that controls the temperature, wind direction, and air volume by detecting the entry and exit of people, the number of people and the position and movement of people, and opening and closing of the door A function mode (hereinafter referred to as a room monitoring mode) is provided for detecting a change in the floor plan or an area in which the day is inserted and controlling the temperature, the wind direction, and the air volume.
In the person monitoring mode, in order to detect the temperature corresponding to the position of the person identified by the image pickup means 26, the image pickup means 26 and the temperature detection means 27 are operated in parallel (first operation state). In the room monitoring mode, the image pickup means 26 and the temperature detection means 27 may be operated individually in order (second operation state). Details of each operation will be described below.

FIG. 9A shows the operation of the image pickup means 26, the temperature detection means 27, and the operation in the room monitoring mode. The horizontal axis of FIG. 9a shows the time change, and the vertical axis shows the rotation angle of the CCD image sensor 26b and the thermopile 27b. Here, the rotation angle of the vertical axis corresponds to 30 rotation angles of the thermopile of FIG.
In the room monitoring mode of the air conditioner, since the rapid temperature change accompanying the change in the indoor situation is not assumed, the image pickup means 26 and the temperature detection means 27 may be alternately operated individually. First, the image of the room such as the wall position and the opening / closing of the door is recognized from the captured image of the imaging means 26, and the temperature, wind direction, and air volume are controlled based on this. Next, the temperature, the wind direction, and the air volume are feedback-controlled by the change in the temperature distribution detected by the temperature detector 27.
Here, the CCD image sensor 26b and the thermopile 27b may be imaged at an appropriate timing.
In the room monitoring mode, the imaging means 26 and the temperature detecting means 27 need only be operated at low speed or with low frequency, which is advantageous in terms of component life.

  In the person monitoring mode, a person is recognized from the captured image of the imaging means 26, and the temperature, wind direction, and air volume are controlled in accordance with the amount of activity and the location of the person. For this reason, in order to reduce the timing difference between the recognition of the person and the temperature detection, the imaging means 26 and the temperature detection means 27 are rotated in parallel. FIG. 9b shows the operation of the image pickup means 26 and the temperature detection means 27.

  As shown in FIG. 9b, the thermopile 27b of the temperature detecting means 27 is driven at a constant rotational angular velocity at 30 detection points, and is imaged (signal detection) at regular intervals. On the other hand, the CCD image sensor 26b of the image pickup means 26 performs a rotation operation for every 10 detection points of the thermopile 27b. The timing of imaging (signal detection) of the CCD image sensor 26b is set to the center of the range of 10 detection points of the thermopile 27b. This reduces the timing difference between the recognition of the person and the temperature detection.

More specifically, when the thermopile 27b is at a rotation angle of 1 to 9 shown in FIG. 4, the CCD image sensor 26b is at a position where the rotation angle is 1, and the rotation angle of the thermopile 27b is a position where the rotation angle is 5. Then, the CCD image sensor 26b is imaged.
Next, when the rotation angle of the thermopile 27b reaches the position of 10, the CCD image sensor 26b is driven to the position of the rotation angle 10. Then, when the rotation angle of the thermopile 27b reaches the position 15, the CCD image sensor 26b is imaged.
Further, when the rotation angle of the thermopile 27b reaches the 19th position, the CCD image sensor 26b is driven to the rotation angle 19 position. Then, when the rotation angle of the thermopile 27b reaches the position 26, the CCD image sensor 26b is imaged.

<Example 2>
FIG. 10 shows a control flow for reducing the timing of person recognition and temperature detection. In the above-described embodiment, the image pickup unit 26 and the temperature detection unit 27 are operated in parallel, and the image pickup unit 26 is picked up at a predetermined timing. In the present embodiment, the temperature of the person is detected by rotating to the position of the person who recognized the thermopile 27b and performing imaging.
Specifically, the room is imaged by the imaging means 26 (S101), the position of the person is identified by image recognition (S102), the rotation angle of the thermopile 27b corresponding to the person position is calculated (S103), and the thermopile 27b is driven to the rotation angle and imaged to detect the temperature (S104).
When a plurality of persons are recognized, temperature detection is performed by repeating the above process for each identified person.
As described above, more accurate temperature measurement is possible.

  The present invention is not limited to the configuration of the above-described embodiment, and any configuration can be used as long as the functions shown in the claims or the functions of the configuration of the present embodiment can be achieved. Is also applicable.

5 Temperature distribution generation / determination processing unit 6 Air conditioning temperature / wind direction processing unit 7 Device control unit 10b Blower fan driving unit 13b Left / right air direction plate driving unit 14b Upper / lower air direction plate driving unit 26b Imaging device CCD
27b Temperature detection means thermopile 50 sensor rotation control unit

Claims (8)

An imaging unit that rotates in the left-right direction to image the room;
A temperature detection unit that rotates in the left-right direction independently of the imaging unit and detects radiant heat in the room;
A sensor driving unit that starts rotation of the imaging unit when the imaging region of the imaging unit and the detection region of the temperature detection unit partially overlap ,
The detection region of the temperature detection unit in the left-right direction is narrower than the imaging region of the imaging unit,
The air conditioner characterized in that the imaging unit performs imaging when a detection region in the left-right direction of the temperature detection unit is located within an imaging region in the left-right direction of the imaging unit. In the air conditioner according to claim 1,
The imaging unit is rotated about the one direction disposed an imaging element in two-dimensional images a room where the air conditioner,
The temperature detection unit rotates around the arrangement direction of the heat receiving elements arranged one-dimensionally to detect the radiant heat in the room ,
A first operating state in which rotation of the rotation and the temperature detecting portion of the imaging unit is operated in parallel,
An air conditioner characterized by having a second operating state in which rotation operation of the rotating operation and the temperature detecting portion of the imaging unit is performed in sequence. In the air conditioner according to claim 1 or 2,
The imaging unit has a plurality of imaging positions in the rotation direction,
The temperature detection unit has a temperature detection position with more points than the imaging position in the rotation direction,
In the case of the first operating state in which rotation of said temperature detecting unit and the imaging unit is in parallel operation,
The air conditioner characterized in that imaging by the imaging unit and temperature detection by the temperature detection unit are performed at a temperature detection position having substantially the same rotation angle in the imaging direction of the imaging unit. In the air conditioner according to claim 3,
The imaging unit has three imaging positions of a left point, a center point, and a right point in the rotation direction,
The temperature detector has 30 detection positions in the rotation direction,
When the imaging unit is located at the center point, the temperature detection unit performs temperature detection at 10 detection positions at the center of the 30 points, and the temperature detection unit is at the center of the 10 points at the center. When temperature detection is performed at the point, the imaging unit performs imaging at that position,
When the imaging unit is at the left point or the right point, the temperature detection unit performs temperature detection at the detection position of the left part or the right part of the center of the 30 points, and the temperature detection part When the temperature is detected at the center of the left or right 10 points, the image pickup unit picks up an image at that position. In the air conditioner according to any one of claims 1 to 4,
Imaging of the imaging unit is performed in one rotation direction of rotation of the imaging unit,
The temperature detection of the temperature detection unit is performed in one rotation direction of the rotation of the temperature detection unit,
And, an air conditioner, wherein the imaging unit is a better direction same as the direction for imaging. In the air conditioner according to claim 2 ,
The second operation state in which the rotation operation of the imaging unit and the rotation operation of the temperature detection unit are sequentially performed is:
It is performed in a room monitoring mode that controls the temperature, wind direction, and air volume by detecting changes in the layout of doors, etc., and detecting changes in indoor temperature.
The first operation state in which the rotation of the imaging unit and the temperature detection unit operates in parallel is a person monitoring mode in which the temperature, the wind direction, and the air volume are controlled by detecting the entry / exit of a person in the room, the number of persons, the position / movement of the person, and the like. An air conditioner characterized by The air conditioner according to claim 6,
When a person is detected from the image information of the imaging unit in the room monitoring mode,
Calculating a rotation angle corresponding to the detected person position;
A rotation angle corresponding to the calculated person position is set in the temperature detection unit,
An air conditioner that detects the temperature by driving the temperature detector at the rotation angle. In the air conditioner according to any one of claims 1 to 7,
The temperature detection unit includes a thermopile,
The air conditioner, wherein the imaging unit includes a CCD image sensor.

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