WO2021166079A1 - Dispositif de commande de climatisation intégré, et système et procédé de commande de climatisation - Google Patents

Dispositif de commande de climatisation intégré, et système et procédé de commande de climatisation Download PDF

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Publication number
WO2021166079A1
WO2021166079A1 PCT/JP2020/006328 JP2020006328W WO2021166079A1 WO 2021166079 A1 WO2021166079 A1 WO 2021166079A1 JP 2020006328 W JP2020006328 W JP 2020006328W WO 2021166079 A1 WO2021166079 A1 WO 2021166079A1
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WIPO (PCT)
Prior art keywords
air
photographing
air conditioning
unit
integrated controller
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Application number
PCT/JP2020/006328
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English (en)
Japanese (ja)
Inventor
中野　聡
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三菱電機株式会社
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Priority to JP2022501445A priority Critical patent/JP7357757B2/ja
Priority to PCT/JP2020/006328 priority patent/WO2021166079A1/fr
Publication of WO2021166079A1 publication Critical patent/WO2021166079A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy

Definitions

  • the present disclosure relates to an air conditioning integrated controller, an air conditioning control system, and an air conditioning control method that control the operation of a plurality of air conditioners in an air conditioning control system.
  • a thermal image processing device acquires a thermal image from a plurality of infrared sensors arranged in space, and corrects each thermal image based on an offset amount consisting of a photographing position and a photographing inclination of each thermal image. , A technique for generating an overall thermal image of the entire space using the corrected thermal image is disclosed.
  • the thermal image processing apparatus cannot accurately detect the position of the heat source, that is, the person, the offset amount cannot be accurately obtained from the thermal image. Therefore, the thermal image processing apparatus has a problem that it cannot generate an overall thermal image with high accuracy.
  • the present disclosure has been made in view of the above, and an object of the present disclosure is to obtain an air-conditioning integrated controller capable of improving the detection accuracy of the number and position of people in the air-conditioning target space.
  • the present disclosure includes a plurality of photographing units installed in an air-conditioned target space, each of which faces a designated target range and outputs a thermal image. It is an air conditioning integrated controller that controls the operation of a plurality of air conditioners in an air conditioning control system.
  • the air-conditioning integrated controller includes a synchronous control unit that controls a plurality of imaging units to be synchronized and simultaneously photographed, and a plurality of detection information for a plurality of thermal images, which is information on the number and position of people detected from the thermal image.
  • a control signal for controlling the operation is sent to the occupancy determination unit that outputs information and the air conditioner that controls the air conditioning at the position where a person exists among a plurality of air conditioners by inputting the occupancy information. It is equipped with an air conditioning control unit that outputs.
  • the air-conditioning integrated controller according to the present disclosure has the effect of improving the detection accuracy of the number and position of people in the air-conditioning target space.
  • a flowchart showing the operation of the air conditioning integrated controller according to the first embodiment The figure which shows the example of the arrangement of the heat source photographed by the imaging apparatus which concerns on Embodiment 1. The figure which shows the example of the arrangement of the heat source photographed by the two imaging apparatus which concerns on Embodiment 1.
  • a flowchart showing the operation of the photographing apparatus according to the second embodiment A flowchart showing the operation of the air conditioning integrated controller according to the second embodiment.
  • FIG. 1 is a diagram showing a configuration example of the air conditioning control system 1 according to the first embodiment.
  • the air conditioner control system 1 includes an image pickup device 2a, 2b, an air conditioner indoor unit 3a, 3b, 3c, 3d, 3e, 3f, 3g, 3h, an air conditioner outdoor unit 4a, 4b, 4c, 4d, and an air conditioner integrated controller 5. , And a remote controller 6.
  • the air conditioner control system 1 is a system in which the air conditioner integrated controller 5 controls the operations of the air conditioner indoor units 3a to 3h and the air conditioner outdoor units 4a to 4d in the air conditioner target space.
  • the photographing device 2a and the air-conditioning indoor units 3a to 3d are connected by the air-conditioning remote control communication line 7a, and the photographing device 2b and the air-conditioning indoor units 3e to 3h are connected by the air-conditioning remote control communication line 7b.
  • the air conditioner indoor units 3a and 3b and the air conditioner outdoor unit 4a are connected by the air conditioner internal / external communication line 8a, and the air conditioner indoor units 3c and 3d and the air conditioner outdoor unit 4b are connected by the air conditioner internal / external communication line 8b.
  • the air conditioner indoor units 3e and 3f and the air conditioner outdoor unit 4c are connected by the air conditioner internal / external communication line 8c, and the air conditioner indoor units 3g and 3h and the air conditioner outdoor unit 4d are connected by the air conditioner internal / external communication line 8d. Further, in the air conditioner control system 1, the air conditioner outdoor units 4a to 4d and the air conditioner integrated controller 5 are connected by an air conditioner centralized communication line 9.
  • the photographing devices 2a and 2b when the photographing devices 2a and 2b are not distinguished, they are referred to as the photographing device 2, when the air conditioner indoor units 3a to 3h are not distinguished, they are referred to as the air conditioner indoor unit 3, and when the air conditioner outdoor units 4a to 4d are not distinguished, they are referred to. It may be referred to as an air conditioner outdoor unit 4. Further, the air conditioner indoor units 3a to 3h and the air conditioner outdoor units 4a to 4d may be collectively referred to as an air conditioner.
  • the air conditioner integrated controller 5 controls the operation of the air conditioner
  • the air conditioner integrated controller 5 controls the operation of the air conditioner indoor unit 3
  • the air conditioner integrated controller 5 controls the operation of the air conditioner outdoor unit 4
  • the air conditioner integrated controller 5 controls the operation of the air conditioner outdoor unit 4.
  • the controller 5 controls the operations of the air conditioner indoor unit 3 and the air conditioner outdoor unit 4.
  • the air-conditioning remote control communication lines 7a and 7b are not distinguished, it may be referred to as an air-conditioning remote control communication line 7, and when the air-conditioning internal / external communication lines 8a to 8d are not distinguished, it may be referred to as an air-conditioning internal / external communication line 8.
  • the photographing device 2 and the air conditioner integrated controller 5 communicate with each other via the air conditioner remote controller communication line 7, the air conditioner indoor unit 3, the air conditioner internal / external communication line 8, the air conditioner outdoor unit 4, and the air conditioner centralized communication line 9. conduct. Further, the air conditioner integrated controller 5 and the air conditioner outdoor unit 4 communicate with each other via the air conditioner centralized communication line 9. Further, the air conditioner integrated controller 5 and the air conditioner indoor unit 3 communicate with each other via the air conditioner centralized communication line 9, the air conditioner outdoor unit 4, and the air conditioner internal / external communication line 8. In the following description, the configuration via the route may be omitted.
  • FIG. 2 is a diagram showing an arrangement example of the photographing devices 2a and 2b and the air conditioner indoor units 3a to 3h in the air conditioner control system 1 according to the first embodiment.
  • the photographing devices 2a and 2b and the air-conditioning indoor units 3a to 3h are installed on the ceiling of the air-conditioning target space 100 or the like.
  • the photographing device 2a photographs the range of the photographing range 101a in the air-conditioned space 100.
  • the photographing device 2a can detect the heat source 102 within the photographing range 101a.
  • the photographing device 2b photographs the range of the photographing range 101b in the air-conditioned space 100.
  • the photographing device 2b can detect the heat source 102 within the photographing range 101b.
  • the configuration of the air conditioning control system 1 shown in FIGS. 1 and 2 is an example, and is not limited thereto.
  • the number of air conditioner indoor units 3 connected to the photographing device 2 is not limited to four.
  • the air conditioning control system 1 can also include three or more photographing devices 2.
  • the installation positions of the photographing devices 2a and 2b are not limited to the ceiling, and may be installed at a high position near the ceiling of the wall surface as long as the heat source in the air-conditioned space can be detected.
  • the configuration of the photographing device 2 will be described.
  • the photographing device 2 includes a photographing unit 21 and an image analysis unit 22.
  • the photographing unit 21 is installed in the air-conditioning target space, and shoots in the direction of the target range designated by the air-conditioning integrated controller 5.
  • the shooting unit 21 is a movable infrared camera whose shooting direction can be changed.
  • the photographing unit 21 outputs the thermal image obtained by photographing to the image analysis unit 22.
  • the plurality of photographing units 21 are installed in the air-conditioning target space, and each of them faces the direction of the designated target range to shoot and output a thermal image.
  • each of the plurality of photographing units 21 can independently change the photographing direction by the rotation operation.
  • the image analysis unit 22 detects the number and position of people included in the thermal image from the thermal image acquired from the photographing unit 21.
  • the image analysis unit 22 outputs the detection information, which is the information on the number and position of the detected people, to the air conditioning integrated controller 5. That is, each of the plurality of photographing devices 2 outputs the detection information to the air conditioning integrated controller 5.
  • the air-conditioning integrated controller 5 includes a synchronous control unit 51, an occupant determination unit 52, an air-conditioning control unit 53, and a display unit 54.
  • the synchronization control unit 51 controls a plurality of photographing units 21, that is, a plurality of photographing devices 2 to be synchronized and simultaneously photographed. Specifically, the synchronization control unit 51 specifies a target range for a plurality of shooting units 21, and synchronously operates the plurality of shooting units 21 so as to shoot the same target range from different directions at the same time. ..
  • the occupant determination unit 52 acquires detection information from each of the plurality of photographing devices 2.
  • the occupant determination unit 52 inputs a plurality of detection information for a plurality of thermal images from the plurality of photographing devices 2 and information on the positions, shooting directions, and shooting times of the plurality of photographing devices 2, and has a target range. Determine the number and location of people in the room included in.
  • the occupancy determination unit 52 outputs occupancy information indicating the number and position of persons included in the target range to the air conditioning control unit 53.
  • the air conditioning control unit 53 receives occupant information as input, and outputs a control signal for controlling the operation to the air conditioner that controls the air conditioning at the position where a person exists among the plurality of air conditioners.
  • the display unit 54 displays occupant information.
  • the administrator of the air-conditioning control system 1 can grasp the area with many people by checking the occupant information displayed on the display unit 54, and can manually change to an appropriate air-conditioning control.
  • the remote controller 6 the user sets the operation mode, the desired temperature, and the like for the air conditioner indoor unit 3.
  • the remote controller 6 is connected only to the air conditioner indoor unit 3h, but each air conditioner indoor unit 3 may be provided with the remote controller 6.
  • one remote controller 6 may be able to connect to a plurality of air conditioner indoor units 3.
  • the remote controller 6 may include a display unit similar to the display unit 54 included in the air conditioning integrated controller 5 and display occupant information.
  • FIG. 3 is a flowchart showing the operation of the photographing apparatus 2 according to the first embodiment.
  • the photographing unit 21 determines whether or not there is an instruction of the target range of photographing from the air conditioning integrated controller 5 (step S101). When there is no instruction of the target range from the air-conditioning integrated controller 5 (step S101: No), the photographing unit 21 waits until the air-conditioning integrated controller 5 instructs the target range. When the air-conditioning integrated controller 5 instructs the target range (step S101: Yes), the photographing unit 21 determines the photographing direction and photographs the instructed target range (step S102).
  • the air-conditioning integrated controller 5 may instruct each photographing device 2 to individually instruct the photographing device 2 to photograph the same target range.
  • the air-conditioning integrated controller 5 calculates the photographing direction individually for each photographing device 2, a processing load is applied.
  • the air-conditioning integrated controller 5 may instruct each photographing device 2 to photograph the same target range by giving a common instruction using coordinates capable of specifying the target range.
  • the air-conditioning integrated controller 5 since the air-conditioning integrated controller 5 only gives a common instruction to each photographing device 2, the processing load can be reduced. However, since it is necessary for the photographing device 2 to calculate the actual photographing direction so as to face the direction of the instructed target range, a processing load is applied.
  • one of the methods may be selected in consideration of the processing capacity of the air conditioning integrated controller 5 and the photographing device 2, the number of the photographing devices 2, and the like.
  • the method of instructing the photographing range from the air conditioning integrated controller 5 to the photographing device 2 is not limited to these methods.
  • the photographing unit 21 outputs the thermal image obtained by the photographing to the image analysis unit 22 (step S103).
  • the image analysis unit 22 detects the number and position of people from the thermal image acquired from the photographing unit 21 (step S104).
  • FIG. 4 is a diagram showing an example of an actual target range as seen from the photographing apparatus 2 according to the first embodiment.
  • FIG. 5 is a diagram showing an example of a thermal image obtained by photographing the target range shown in FIG. 4 by the photographing apparatus 2 according to the first embodiment.
  • FIG. 6 is a diagram showing the relationship between the distance from the photographing device 2 to the heat source and the size in the thermal image according to the first embodiment.
  • the two heat sources 201 and 202 shown in FIG. 4 are represented as heat sources 211 and 122 in the thermal image shown in FIG. When the actual heat sources 201 and 202 are humans, they can be regarded as having a constant size on average.
  • the size in the thermal image and the position in the thermal image also differ depending on the distance between the photographing device 2 and the heat source 222. This is because, as in the shooting range 221 of the width 223 to 227 that fits in one pixel of the shooting unit 21 shown in FIG. 6, the farther the distance from the shooting device 2 is, the larger the range that fits in one pixel in the thermal image. Because.
  • the photographing device 2 when the photographing device 2 is installed at a high position such as the ceiling of the air-conditioned space and the image is taken diagonally downward, the closer the heat source is to the photographing device 2, the larger the size in the thermal image. It becomes larger and its position in the thermal image is lower. Further, the farther the heat source is from the photographing device 2, the smaller the size in the thermal image and the higher the position in the thermal image. Therefore, if the image analysis unit 22 has information on the height of the photographing device 2 from the floor surface, the photographing direction of the photographing unit 21, and the height of the heat source from the floor, the thermal image is obtained together with the thermal image shown in FIG.
  • the position of the heat source can be specified from the characteristics of the size and position of the heat source represented inside.
  • the height of the heat source from the floor can be regarded as the same for any heat source as long as it is a human.
  • FIG. 7 is a flowchart showing an operation in which the image analysis unit 22 according to the first embodiment detects the number and position of people who are heat sources from the thermal image.
  • the flowchart shown in FIG. 7 shows the details of the operation of step S104 of the flowchart shown in FIG.
  • the image analysis unit 22 extracts one heat source included in the thermal image from the thermal image acquired from the photographing unit 21 (step S201). In the example of FIG. 5, there are two heat sources included in the thermal image.
  • the image analysis unit 22 identifies the position of the extracted heat source from the position and size of the extracted heat source in the thermal image (step S202). When all the heat sources have not been extracted from the thermal image (step S203: No), the image analysis unit 22 returns to step S201 and repeats the above operation. When all the heat sources are extracted from the thermal image (step S203: Yes), the image analysis unit 22 ends the detection operation from the thermal image.
  • the image analysis unit 22 can grasp the number of people by returning to step S201 and counting the number of repeating the
  • the image analysis unit 22 generates detection information which is information indicating the number and positions of people included in the thermal image (step S105).
  • the image analysis unit 22 outputs the generated detection information to the air conditioning integrated controller 5 (step S106).
  • FIG. 8 is a flowchart showing the operation of the air conditioning integrated controller 5 according to the first embodiment.
  • the synchronous control unit 51 has instructed the plurality of photographing devices 2 to take a picture in the target range last time, that is, a predetermined period has elapsed since the plurality of taking pictures 2 were made to take a picture of the air-conditioned space. Whether or not it is determined (step S301). If the specified period has not elapsed (step S301: No), the synchronization control unit 51 waits until the specified period elapses.
  • the synchronization control unit 51 instructs the plurality of imaging devices 2 to capture the target range (step S302).
  • the synchronization control unit 51 may instruct each photographing device 2 to individually instruct the photographing direction for each photographing device 2, or may use coordinates or the like that can specify the target range to each photographing device 2 in common. May be instructed.
  • the synchronous control unit 51 may instruct only the photographing device 2 whose imaging range includes the target range. In this case, the synchronization control unit 51 notifies the occupant determination unit 52 of information such as the number of photographing devices 2 that have indicated the target range.
  • the occupant determination unit 52 determines whether or not the detection information has been acquired from all the imaging devices 2 for the imaging device 2 for which the synchronization control unit 51 has instructed the imaging direction (step S303). When the detection information has not been acquired from at least one photographing device 2 (step S303: No), the occupant determination unit 52 waits until the detection information is acquired from all the photographing devices 2. When the detection information is acquired from all the photographing devices 2 (step S303: Yes), the occupancy determination unit 52 determines the number and position of the persons included in the target range (step S304).
  • FIG. 9 is a diagram showing an example of arrangement of heat sources 303 and 304 photographed by the photographing apparatus 2a according to the first embodiment.
  • FIG. 9 shows an example in which the photographing apparatus 2a is installed on the ceiling 301 of the air-conditioned space, and the heat sources 303 and 304 are present on the floor 302.
  • the photographing apparatus 2a detects the heat sources 303 and 304 as one heat source. Therefore, in the detection information output from the photographing device 2a, the number of heat sources, that is, the number of people is one.
  • FIG. 10 is a diagram showing an example of arrangement of heat sources 303 and 304 photographed by the two imaging devices 2a and 2b according to the first embodiment.
  • FIG. 10 shows an example in which the photographing devices 2a and 2b are installed on the ceiling 301 of the air-conditioned space, and the heat sources 303 and 304 are present on the floor 302.
  • the photographing apparatus 2b can detect the heat sources 303 and 304 as two heat sources. Therefore, in the detection information output from the photographing device 2b, the number of heat sources, that is, the number of people is two.
  • the occupant determination unit 52 acquires detection information having different contents from the photographing devices 2a and 2b shown in FIG. However, as shown in FIG.
  • the occupant determination unit 52 uses information on the height of the photographing devices 2a and 2b from the floor 302, the photographing direction, and the height of the heat sources 303 and 304 from the floor 302, as shown in FIG. It is possible to grasp the positional relationship between the photographing devices 2a and 2b and the heat sources 303 and 304. Therefore, in the occupancy determination unit 52, the detection information of the photographing device 2a is photographed by overlapping the heat sources 303 and 304, so that the detected heat source, that is, the person is less than the detection information of the photographing device 2b. Can be determined. In this way, the occupant determination unit 52 acquires detection information from the plurality of photographing devices 2 and uses the plurality of detection information to accurately determine the number and position of people actually in the target range. be able to.
  • FIG. 11 is a flowchart showing an operation in which the occupant determination unit 52 according to the first embodiment determines the number and position of people from the detection information.
  • the flowchart shown in FIG. 11 shows the details of the operation of step S304 of the flowchart shown in FIG.
  • the occupancy determination unit 52 determines whether or not the number of detected persons is the same in all the acquired detection information (step S401). When the number of detected persons is different (step S401: No), the occupant determination unit 52 determines the height of the photographing devices 2a and 2b from the floor 302, the photographing direction, and the heat sources 303 and 304 from the floor 302. By using information such as height information, the number of people actually in the target range is specified (step S402).
  • step S401 determines the position of each detected person (step S403).
  • the occupant determination unit 52 determines that the person is at the position indicated by the detection information when the position of the person indicated by each detection information is the same.
  • the position of each person for example, when the position of the person indicated by each detection information is different, the occupant determination unit 52 determines that there is a person between the positions indicated by each detection information.
  • the occupancy determination unit 52 generates occupancy information indicating the number and position of persons included in the target range (step S305).
  • the occupancy determination unit 52 outputs the occupancy information to the display unit 54 and the air conditioning control unit 53 (step S306).
  • the display unit 54 displays the occupant information (step S307).
  • the air-conditioning control unit 53 receives occupant information as input, and controls the operation of the air-conditioner that controls the air-conditioning at the position where a person exists among the plurality of air-conditioners included in the air-conditioning control system 1.
  • a signal is generated (step S308) and output (step S309).
  • FIG. 12 is a diagram showing an example of a processing circuit included in the air conditioning integrated controller 5 according to the first embodiment.
  • the display unit 54 is a monitor such as an LCD (Liquid Crystal Display).
  • the synchronous control unit 51, the occupancy determination unit 52, and the air conditioning control unit 53 are realized by a processing circuit.
  • the processing circuit is, for example, a processor 91 that executes a program stored in the memory 92, and a memory 92.
  • each function of the processing circuit is realized by software, firmware, or a combination of software and firmware.
  • the software or firmware is written as a program and stored in the memory 92.
  • each function is realized by the processor 91 reading and executing the program stored in the memory 92. It can also be said that these programs cause the computer to execute the procedures and methods of the air conditioning integrated controller 5.
  • the processor 91 may be a CPU (Central Processing Unit), a processing device, an arithmetic unit, a microprocessor, a microcomputer, a DSP (Digital Signal Processor), or the like.
  • the memory 92 includes, for example, non-volatile or volatile such as RAM (Random Access Memory), ROM (Read Only Memory), flash memory, EPROM (Erasable Programmable ROM), and EPROM (registered trademark) (Electrically EPROM).
  • RAM Random Access Memory
  • ROM Read Only Memory
  • flash memory EPROM (Erasable Programmable ROM), and EPROM (registered trademark) (Electrically EPROM).
  • Semiconductor memory magnetic disk, flexible disk, optical disk, compact disk, mini disk, DVD (Digital Versatile Disc), etc. are applicable.
  • the processing circuit may be dedicated hardware.
  • the processing circuit is, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate). Array), or a combination of these.
  • Each function of the air conditioning integrated controller 5 may be realized by a processing circuit for each function, or each function may be collectively realized by a processing circuit.
  • a part may be realized by dedicated hardware and a part may be realized by software or firmware.
  • the processing circuit can realize each of the above-mentioned functions by the dedicated hardware, software, firmware, or a combination thereof.
  • the photographing unit 21 is an infrared sensor that can obtain a thermal image as described above.
  • the image analysis unit 55 is realized by a processing circuit.
  • the processing circuit may be composed of a processor 91 and a memory 92, or may be dedicated hardware.
  • the air conditioning integrated controller 5 instructs a plurality of photographing devices 2 to photograph a target range in the air conditioning target space.
  • the plurality of photographing devices 2 simultaneously photograph the designated target range from different directions, detect the number and position of people from the obtained thermal image, and output the detection information to the air conditioning integrated controller 5.
  • the air-conditioning integrated controller 5 has decided to determine the actual number and position of people by using a plurality of detection information from thermal images taken from different directions. As a result, the air-conditioning integrated controller 5 uses the detection information of the heat image taken by the other photographing device 2 even when the heat source, that is, the person is photographed overlapping, in the thermal image taken by the one photographing device 2.
  • the air-conditioning integrated controller 5 can improve the detection accuracy of the number and position of people in the air-conditioning target space.
  • the air-conditioning control system 1 can perform comfortable air-conditioning control according to the number and position of people who have detected it with high accuracy.
  • the photographing device 2 includes an image analysis unit 22 and outputs detection information to the air conditioning integrated controller 5.
  • the air-conditioning integrated controller includes an image analysis unit and the photographing device outputs a thermal image to the air-conditioning integrated controller will be described.
  • FIG. 13 is a diagram showing a configuration example of the air conditioning control system 1a according to the second embodiment.
  • the air conditioning control system 1a replaces the photographing devices 2a and 2b and the air conditioning integrated controller 5 with the photographing devices 10a and 10b and the air conditioning integrated controller 5a with respect to the air conditioning control system 1 of the first embodiment shown in FIG. be.
  • the photographing devices 10a and 10b when they are not distinguished, they may be referred to as the photographing device 10.
  • the configuration of the photographing device 10 will be described.
  • the photographing device 10 includes a photographing unit 21.
  • the photographing unit 21 is the same as the photographing unit 21 of the first embodiment shown in FIG. 1, but the output destination of the thermal image obtained by photographing is different.
  • the photographing unit 21 of the second embodiment outputs the heat image obtained by taking a picture to the air conditioning integrated controller 5a. That is, each of the plurality of photographing devices 10 outputs a thermal image to the air conditioning integrated controller 5a.
  • FIG. 14 is a flowchart showing the operation of the photographing apparatus 10 according to the second embodiment.
  • the photographing unit 21 determines whether or not there is an instruction of the target range of photographing from the air conditioning integrated controller 5a (step S501). When there is no instruction of the target range from the air-conditioning integrated controller 5a (step S501: No), the photographing unit 21 waits until the air-conditioning integrated controller 5a instructs the target range. When the air-conditioning integrated controller 5a instructs the target range (step S501: Yes), the photographing unit 21 determines the photographing direction and photographs the instructed target range (step S502). The photographing unit 21 outputs the thermal image obtained by the photographing to the air conditioning integrated controller 5a (step S503).
  • the configuration of the air conditioning integrated controller 5a will be described.
  • the air-conditioning integrated controller 5a is an image analysis unit 55 added to the air-conditioning integrated controller 5 of the first embodiment shown in FIG.
  • the operation of the image analysis unit 55 is the same as the operation of the image analysis unit 22 included in the photographing apparatus 2 of the first embodiment shown in FIG.
  • the image analysis unit 55 acquires thermal images from each of the plurality of photographing devices 10, detects the number and position of people included in the thermal image from each thermal image, and uses the information on the number and position of the detected people. Outputs multiple detection information for a plurality of thermal images.
  • FIG. 15 is a flowchart showing the operation of the air conditioning integrated controller 5a according to the second embodiment.
  • the synchronization control unit 51 has instructed the plurality of photographing devices 10 for the shooting target range last time, that is, a predetermined period has elapsed since the plurality of shooting devices 10 were allowed to shoot the air-conditioning target space. Whether or not it is determined (step S601). If the specified period has not elapsed (step S601: No), the synchronization control unit 51 waits until the specified period elapses. When the specified period has elapsed (step S601: Yes), the synchronization control unit 51 instructs the plurality of imaging devices 10 to photograph the target range (step S602).
  • the image analysis unit 55 determines whether or not thermal images have been acquired from all the imaging devices 10 for the imaging device 10 for which the synchronization control unit 51 has instructed the imaging direction (step S603). When the thermal image is not acquired from at least one photographing device 10 (step S603: No), the image analysis unit 55 waits until the thermal image is acquired from all the photographing devices 10.
  • the image analysis unit 55 detects the number and position of people from the thermal images acquired from the photographing unit 21 (step S604).
  • the image analysis unit 55 generates detection information which is information indicating the number and positions of people included in the thermal image (step S605).
  • the image analysis unit 55 outputs the generated detection information to the occupant determination unit 52 (step S606).
  • the occupant determination unit 52 acquires a plurality of detection information for a plurality of thermal images from the image analysis unit 55.
  • the occupant determination unit 52 determines the number and position of persons included in the target range (step S607).
  • the occupancy determination unit 52 generates occupancy information indicating the number and position of persons included in the target range (step S608).
  • the occupancy determination unit 52 outputs the occupancy information to the display unit 54 and the air conditioning control unit 53 (step S609).
  • the display unit 54 displays the occupant information (step S610).
  • the air-conditioning control unit 53 receives occupant information as input, and controls the operation of the air-conditioner that controls the air-conditioning at the position where a person exists among the plurality of air-conditioners provided in the air-conditioning control system 1a. A signal is generated (step S611) and output (step S612).
  • the image analysis unit 55 is realized by a processing circuit like the image analysis unit 22 of the imaging device 2 of the first embodiment.
  • the processing circuit may be composed of a processor 91 and a memory 92, or may be dedicated hardware.
  • the plurality of photographing devices 10 output thermal images to the air conditioning integrated controller 5a.
  • the air conditioning integrated controller 5a has decided to detect the number and position of people from the obtained thermal image. Even in this case, the air conditioning control system 1a can obtain the same effect as the air conditioning control system 1 of the first embodiment.
  • the photographing device 10 since the photographing device 10 outputs a thermal image to the air conditioning integrated controller 5a, air conditioning is compared with the case where the photographing device 2 outputs the detection information to the air conditioning integrated controller 5 in the first embodiment. The amount of data due to communication within the control system 1a increases. Further, since the air-conditioning integrated controller 5a of the second embodiment performs image analysis on the thermal images of all the photographing devices 10, the processing load increases as compared with the air-conditioning integrated controller 5 of the first embodiment. On the other hand, since each photographing device 10 does not include the image analysis unit 22, the configuration can be simplified and the cost can be suppressed.
  • the administrator of the air conditioning control system considers the communication capacity in the air conditioning control system, the number of photographing devices to be used, and the like, and considers the air conditioning control system 1 of the first embodiment or the air conditioning control system 1a of the second embodiment. You can choose either.
  • Embodiment 3 In the first embodiment, it is assumed that all the heat sources detected in the thermal image captured by the imaging unit 21 of the imaging device 2 are humans. However, when the air-conditioning target space targeted by the air-conditioning control system 1 is an office floor or the like, devices such as a personal computer and a monitor used in the air-conditioning target space are also heat sources. In the third embodiment, a method of excluding a heat source other than a human from the thermal image captured by the imaging unit 21 of the imaging device 2 will be described. Although the first embodiment will be described as an example, it can also be applied to the second embodiment.
  • FIG. 16 is a flowchart showing the operation of the image analysis unit 22 according to the third embodiment.
  • the flowchart shown in FIG. 16 shows the details of the operation of step S104 of the flowchart shown in FIG.
  • the image analysis unit 22 stores the thermal image acquired from the photographing unit 21 (step S701).
  • the image analysis unit 22 extracts one heat source included in the thermal image from the thermal image (step S702).
  • the image analysis unit 22 uses the heat image stored in the past to determine whether or not the extracted heat source is moving in a specified period (step S703).
  • step S703: No When there is no movement in the specified period (step S703: No), the image analysis unit 22 considers that the extracted heat source is not a person and excludes the extracted heat source from the count of the number of people. The image analysis unit 22 returns to step S702 and repeats the above operation.
  • step S703: Yes the image analysis unit 22 considers that the extracted heat source is a person, and determines that the extracted heat source has a position and size in the thermal image of the extracted heat source. The position is specified (step S704). When all the heat sources have not been extracted from the thermal image (step S705: No), the image analysis unit 22 returns to step S702 and repeats the above operation.
  • the image analysis unit 22 ends the detection operation from the thermal image. In this way, the image analysis unit 22 excludes the heat source included in the thermal image from the target of the detection information as the heat source that does not move in the specified period as the heat source other than the human.
  • the image analysis unit 55 of the air conditioning integrated controller 5a shown in FIG. 13 performs the same operation as described above.
  • the image analysis unit 22 of the photographing device 2 moves in a predetermined period in the thermal image obtained by being photographed by the photographing unit 21. Exclude the heat source without a person from the count of the number of people, assuming that it is not a person.
  • the image analysis unit 22 generates detection information that counts only people and outputs it to the air conditioning integrated controller 5.
  • the air-conditioning integrated controller 5 can perform comfortable air-conditioning control according to the number and positions of people who have detected it with high accuracy.
  • the configuration shown in the above embodiments is an example, and can be combined with another known technique, can be combined with each other, and does not deviate from the gist. It is also possible to omit or change a part of the configuration.
  • 1,1a air conditioner control system 2a, 2b, 10a, 10b imaging device, 3a to 3h air conditioner indoor unit, 4a to 4d air conditioner outdoor unit, 5,5a air conditioner integrated controller, 6 remote controller, 7a, 7b air conditioner remote control communication line, 8a-8d air conditioner internal / external communication line, 9 air conditioner centralized communication line, 21 photographing unit, 22,55 image analysis unit, 51 synchronous control unit, 52 occupant determination unit, 53 air conditioner control unit, 54 display unit.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

L'invention concerne un système de commande de climatisation (1) doté d'une pluralité d'unités de capture d'images (21), chaque unité étant installée dans un espace à climatiser, et chaque unité permettant de capturer une image lorsque l'unité fait face à la direction d'une zone cible spécifiée, et de délivrer une image thermique. Un dispositif de commande de climatisation intégré (5), destiné à commander le fonctionnement d'une pluralité de climatiseurs, comprend : une unité de commande de synchronisation (51) destinée à commander la pluralité d'unités de capture d'images (21) afin de les synchroniser et de capturer des images simultanément ; une unité de détermination des occupants de l'espace (52) destinée à faire intervenir, en tant qu'entrées, une pluralité d'ensembles d'informations de détection correspondant à la pluralité d'images thermiques, lesdites informations concernant le nombre et les positions des personnes détectées à partir des images thermiques, et des informations concernant les positions, les directions de capture d'image et les temps de capture d'image de la pluralité d'unités de capture d'images (21), à déterminer le nombre et les positions des personnes comprises dans la zone cible, et à délivrer des informations des occupants de l'espace indiquant le nombre et les positions des personnes comprises dans la zone cible ; et une unité de commande de climatisation (53) destinée à utiliser les informations des occupants de l'espace en tant qu'entrée, et à délivrer un signal de commande permettant de commander le fonctionnement des climatiseurs, parmi la pluralité de climatiseurs, servant à réguler la climatisation pour les positions où des personnes sont présentes.
PCT/JP2020/006328 2020-02-18 2020-02-18 Dispositif de commande de climatisation intégré, et système et procédé de commande de climatisation WO2021166079A1 (fr)

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PCT/JP2020/006328 WO2021166079A1 (fr) 2020-02-18 2020-02-18 Dispositif de commande de climatisation intégré, et système et procédé de commande de climatisation

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JP2009092281A (ja) * 2007-10-05 2009-04-30 Mitsubishi Electric Building Techno Service Co Ltd 空調制御システム
JP2014240729A (ja) * 2013-06-12 2014-12-25 株式会社東芝 空調エネルギー管理システム、方法、およびプログラム
WO2016157568A1 (fr) * 2015-03-30 2016-10-06 三菱電機株式会社 Ventilateur soufflant et système de soufflage d'air
JP2016205633A (ja) * 2015-04-15 2016-12-08 アズビル株式会社 空調制御装置
WO2018211592A1 (fr) * 2017-05-16 2018-11-22 三菱電機株式会社 Système de climatisation

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JP2010266169A (ja) 2009-05-18 2010-11-25 Mitsubishi Electric Corp 空調制御装置
JP5882095B2 (ja) 2012-03-23 2016-03-09 三機工業株式会社 タスク・アンビエント空調システム
JP2018067755A (ja) 2016-10-17 2018-04-26 シャープ株式会社 検出データ管理装置
JP2019015459A (ja) 2017-07-07 2019-01-31 三菱重工サーマルシステムズ株式会社 空調制御装置、空調システム、空調制御方法、及びプログラム

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Publication number Priority date Publication date Assignee Title
JP2009092281A (ja) * 2007-10-05 2009-04-30 Mitsubishi Electric Building Techno Service Co Ltd 空調制御システム
JP2014240729A (ja) * 2013-06-12 2014-12-25 株式会社東芝 空調エネルギー管理システム、方法、およびプログラム
WO2016157568A1 (fr) * 2015-03-30 2016-10-06 三菱電機株式会社 Ventilateur soufflant et système de soufflage d'air
JP2016205633A (ja) * 2015-04-15 2016-12-08 アズビル株式会社 空調制御装置
WO2018211592A1 (fr) * 2017-05-16 2018-11-22 三菱電機株式会社 Système de climatisation

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