WO2020255875A1 - 空気質制御システム、空気質制御方法、及び、プログラム - Google Patents

空気質制御システム、空気質制御方法、及び、プログラム Download PDF

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Publication number
WO2020255875A1
WO2020255875A1 PCT/JP2020/023209 JP2020023209W WO2020255875A1 WO 2020255875 A1 WO2020255875 A1 WO 2020255875A1 JP 2020023209 W JP2020023209 W JP 2020023209W WO 2020255875 A1 WO2020255875 A1 WO 2020255875A1
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WIPO (PCT)
Prior art keywords
air
indoor space
ventilation device
air quality
sensor
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Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2020/023209
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English (en)
French (fr)
Japanese (ja)
Inventor
茂俊 堀切
建太朗 野村
早崎　嘉城
坂元　豪介
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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Priority to JP2021528176A priority Critical patent/JP7742550B2/ja
Publication of WO2020255875A1 publication Critical patent/WO2020255875A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the present disclosure relates to an air quality control system, an air quality control method, and a program using the air quality control method.
  • Patent Document 1 describes the results of an air conditioning control support device including a processing unit that sets a set value of air conditioning control in a living room so as to have a predetermined temperature and humidity, and a sensor that measures the set value and the air environment. Based on the above, a building management system including a facility control controller for controlling air conditioning equipment is disclosed.
  • windows and ventilation equipment are usually installed in the room of the facility.
  • the outdoor air flows into the indoor space when the user opens the window or the user operates the ventilation device.
  • the indoor temperature changes.
  • the air conditioner which is an air conditioner
  • the air conditioner is controlled so that the temperature and humidity of the air in the indoor space become a predetermined temperature and humidity.
  • the air conditioner may be controlled after the temperature and humidity of the air in the indoor space change significantly. Therefore, it may not be possible to provide a comfortable indoor environment.
  • the air quality control system includes an air conditioner for adjusting the temperature and humidity of air in the first indoor space of the facility, and the outdoor air is supplied to the first indoor space and described as described above.
  • a first ventilation device that exhausts the air in the first indoor space to the outside, and a pollutant contained in the outdoor air when the first ventilation device supplies the outdoor air to the first indoor space.
  • the first air purifier that purifies the outdoor air by removing it, the indoor sensor that detects the environment of the first indoor space, and the air conditioner based on the detection result detected by the indoor sensor. It also includes a control device for controlling the first ventilation device.
  • the temperature and humidity of the air in the first indoor space of the facility are adjusted by an air conditioner, and the outdoor air is adjusted by the first ventilation device.
  • the said The air conditioner and the first ventilation device are based on the results of purifying the outdoor air, detecting the environment of the first indoor space, and detecting the environment of the first indoor space. Including to control.
  • the program according to one aspect of the present disclosure is a program for causing a computer to execute an air quality control method.
  • the air quality control system and the like disclosed in the present disclosure can provide a comfortable indoor environment as before.
  • FIG. 1 is a block diagram illustrating an air quality control system according to an embodiment.
  • FIG. 2 is a diagram illustrating control commands of the air quality control system according to the embodiment.
  • FIG. 3 is a diagram illustrating information indicating the environment of the first indoor space displayed on the operation terminal of the air quality control system according to the embodiment.
  • FIG. 4 is a flowchart illustrating the operation of the first ventilation device and the air conditioner according to the concentration of pollutants in the air of the first indoor space.
  • FIG. 5 is a flowchart illustrating the operation of the first ventilation device and the air conditioner depending on the presence or absence of a user in the first indoor space.
  • FIG. 6 is a flowchart illustrating the operation of the air quality control system according to the embodiment in which FIGS. 4 and 5 are combined.
  • FIG. 4 is a flowchart illustrating the operation of the air quality control system according to the embodiment in which FIGS. 4 and 5 are combined.
  • FIG. 7 is a flowchart illustrating the operation of the second ventilation device and the second air purifier according to the temperature and humidity of the air in the second indoor space.
  • FIG. 8 is a flowchart illustrating the operation of the second ventilation device and the second air purifier depending on the presence or absence of a user in the second indoor space.
  • FIG. 9 is a flowchart illustrating the operation of the air quality control system according to the embodiment in which FIGS. 7 and 8 are combined.
  • each figure is a schematic diagram and is not necessarily exactly illustrated. Further, in each figure, substantially the same configuration may be designated by the same reference numerals, and duplicate description may be omitted or simplified.
  • FIG. 1 is a block diagram illustrating the air quality control system 1 according to the embodiment.
  • the air quality control system 1 is a system capable of adjusting the indoor environment in a facility 10 such as a house.
  • the air quality control system 1 controls the air conditioner 21 and the first ventilation device 22 installed in each room, so that each of the plurality of indoor spaces in the facility 10 has a temperature (Celsius temperature). ) And humidity (relative humidity) are adjusted to the specified temperature and humidity.
  • the air quality control system 1 is a system that adjusts the concentration of pollutants in the air in the indoor space so as to be equal to or less than the specified concentration by controlling the first ventilation device 22 or the like installed in each room. But also.
  • the air quality control system 1 is installed in the facility 10 installed in a hot and humid area such as a tropical climate, but may be installed in the facility 10 installed in a cold area. ..
  • the facility 10 has a plurality of rooms. Specifically, the facility 10 is a room different from the first room 11 forming the first indoor space 11a and the first room 11 among the rooms forming the plurality of indoor spaces, and the second room. It has a second room 12 that forms a space 12a.
  • the air quality control system 1 regulates the temperature and humidity of the first room 11 and the second room 12, and regulates the concentration of pollutants.
  • the air quality control system 1 includes an air conditioner 21, a first ventilation device 22, a first air purifier 23, a first air quality sensor 24a included in the indoor sensor 24, and a first air quality sensor 24a included in the indoor sensor 24.
  • the air conditioner 21 is an air conditioner that is installed on the wall, ceiling, or the like of the first room 11 in the facility 10 and controls the temperature and humidity in the first room space 11a of the first room 11.
  • the air conditioner 21 performs air conditioning control so that the temperature and humidity in the first indoor space 11a become the specified temperature and humidity in response to the control command acquired from the control device 40.
  • the air conditioner 21 may be able to independently adjust the temperature and humidity in the first indoor space 11a by the operation of the user (person).
  • the first ventilation device 22 is installed on the wall, ceiling, or the like of the first room 11 in the facility 10, supplies the outdoor air to the first indoor space 11a, and exhausts the air of the first indoor space 11a to the outside. It is a ventilation device that has both functions.
  • the first ventilation device 22 ventilates the first indoor space 11a in response to a control command acquired from the control device 40.
  • the outdoor means the outside of the first room 11, for example, a room different from the first room 11, an outdoor room outside the facility 10, and the like.
  • the first room 11 is a bedroom
  • the first ventilation device 22 is installed on the wall, ceiling, or the like of the bedroom.
  • the first ventilation device 22 is a heat exchange type ventilation device.
  • the first ventilation device exchanges heat between the indoor air and the outdoor air, the air supply air passage that communicates from the outdoor suction port to the indoor air supply port, and the exhaust air passage that communicates from the indoor exhaust port to the outdoor exhaust port. It has a heat exchange element.
  • the heat exchange element has a function of recovering the heat of the indoor air passing through the exhaust air passage and giving the recovered heat to the outdoor air passing through the supply air air passage.
  • the first ventilation device 22 is not limited to the heat exchange type ventilation device. That is, the first ventilation device 22 may have an air supply fan that supplies outdoor air to the first indoor space 11a. In this case, it may be used in an area other than a hot and humid area.
  • the air in the first indoor space 11a may be naturally exhausted by supplying the outdoor air by the air supply fan. That is, the air supply fan naturally exhausts the air in the first indoor space 11a by supplying the outdoor air.
  • the first ventilation device 22 may further have an exhaust fan for exhausting the air in the first indoor space 11a.
  • the first air purifier 23 purifies the outdoor air by removing pollutants contained in the outdoor air when the first ventilation device 22 supplies the outdoor air to the first indoor space 11a.
  • the pollutant is a substance that causes indoor air pollution, for example, CO 2 , PM (Particulate Matter), VOC (Volatile Organic Compounds), NO X (nitrogen oxide), and the like. SO X (sulfur oxides), O 3 (ozone), showing mold, bacteria, deodorization viruses, and, at least one of dust.
  • the first air purifier 23 may have a function of deodorizing or sterilizing.
  • the first air purifier 23 is provided, for example, on the upstream side of the outdoor suction port in the first ventilation device 22. Further, the first air purifier 23 includes, for example, an air filter. Examples of the air filter include a HEPA (High Efficiency Particulate Air) filter and the like. The air filter may be changed as appropriate depending on the area where it is installed.
  • HEPA High Efficiency Particulate Air
  • the first air purifier 23 uses an air filter. Filters the outdoor air with a filter to remove contaminants. The outdoor air that has been cleaned by removing contaminants by the first air purifier 23 is supplied to the first indoor space 11a via the air supply air passage of the first ventilation device 22.
  • the indoor sensor 24 is a sensor that detects the environment of the first indoor space 11a.
  • the environment of the first indoor space 11a is a situation relating to the air of the first indoor space 11a, which is indicated by the temperature, humidity, concentration of pollutants, etc. in the first indoor space 11a.
  • the environment of the first indoor space 11a also includes the presence or absence of a user in the first indoor space 11a.
  • the indoor sensor 24 has a first air quality sensor 24a and a first motion sensor 24b.
  • the first air quality sensor 24a is a sensor that measures the air quality of the first indoor space 11a.
  • the air quality is the concentration of pollutants in the air, and in the present embodiment, it is the concentration of each pollutant such as CO 2 concentration and PM concentration in the first indoor space 11a.
  • the first air quality sensor 24a detects the concentration of pollutants in the air of the first indoor space 11a, and outputs the first information indicating the detected detection result to the control device 40.
  • the first information is a result of the detection, CO 2 concentration, PM concentration, VOC concentration, NO X concentration, SO X concentration, O 3 concentration, the number of molds, the number of bacteria, viral load, or a dust number like.
  • the first information includes the temperature and humidity of the air in the first indoor space 11a.
  • the first air quality sensor 24a can communicate with the control device 40 and outputs the first information to the control device 40. Further, the first air quality sensor 24a outputs the first information to the control device 40 at regular intervals.
  • the first air quality sensor 24a includes a semiconductor gas sensor capable of sensing the concentration of pollutants, a temperature sensor, a humidity sensor, an air flow sensor, an image sensor such as a camera, and the like.
  • the first air quality sensor 24a is a PM concentration sensor, a CO 2 concentration sensor, a temperature sensor, and a humidity sensor.
  • the first motion sensor 24b is a sensor that detects a user existing in the first indoor space 11a.
  • the first motion sensor 24b can communicate with the control device 40, and when it detects a user existing in the first indoor space 11a, it outputs second information indicating the detected detection result to the control device 40.
  • the first motion sensor 24b is a microphone, a sonar sensor, an infrared imaging device, an image sensor such as a camera, a pyroelectric infrared sensor, or the like.
  • the first motion sensor 24b may estimate the user existing in the first indoor space 11a based on the change in the CO 2 concentration detected by the first air quality sensor 24a. Further, the first motion sensor 24b outputs the second information indicating the detection result to the control device 40 every predetermined period.
  • the second ventilation device 31 is a ventilation device having a function of exhausting the air of the second indoor space 12a, which is an indoor space different from the first indoor space 11a, to the outside of the room.
  • the second ventilation device 31 exhausts the second indoor space 12a in response to a control command acquired from the control device 40.
  • the second ventilation device 31 is realized by, for example, a blower (fan).
  • the outdoor means the outside of the second room 12, for example, a room different from the second room 12, an outdoor room outside the facility 10, and the like.
  • the second room 12 is a bathroom, a toilet, etc.
  • the second ventilation device 31 is installed on a wall, a ceiling, or the like of the bathroom, the toilet, or the like.
  • the second air purifier 32 has a function of purifying the air in the second indoor space 12a by deodorizing or sterilizing (removing pollutants) the air. That is, the second air purifier 32 has a function of reducing the concentration of pollutants in the air of the second indoor space 12a.
  • the second air purifier 32 purifies the air by deodorizing or sterilizing the air in the second indoor space 12a in response to the control command acquired from the control device 40.
  • the second air purifier 32 is an air purifier that deodorizes or sterilizes using electrolyzed water containing hypochlorous acid or the like.
  • the second air purifier 32 is a spraying device that atomizes and ejects electrolyzed water having a deodorizing effect, a bactericidal effect, or a sterilizing effect.
  • the second air purifier 32 may detect the mold, bacteria, virus, etc. existing in the second indoor space 12a, and may eject the atomized electrolyzed water toward the detected position.
  • the second air quality sensor 33a is a sensor that measures the air quality of the second indoor space 12a.
  • the second air quality sensor 33a measures the temperature and humidity in the second indoor space 12a.
  • the second air quality sensor 33a detects the temperature and humidity of the air in the second indoor space 12a, and outputs the third information indicating the detected detection result.
  • the third information is a detection result includes but is temperature and humidity of the air in the second interior space 12a, further, CO 2 concentration, PM concentration, VOC concentration, NO X concentration, SO X concentration, O 3 concentration, At least one such as hypochlorite concentration, mold number, fungus number, virus amount, dust number and the like may be contained.
  • the second air quality sensor 33a can communicate with the control device 40, and outputs the third information indicating the detected detection result to the control device 40. Further, the second air quality sensor 33a outputs the third information to the control device 40 at regular intervals.
  • the second air quality sensor 33a is a temperature sensor, a humidity sensor, and the like.
  • the second air quality sensor 33a may further include a semiconductor gas sensor, a PM concentration sensor, a CO 2 concentration sensor, an odor sensor, an air flow sensor, an image sensor, and the like capable of sensing the concentration of pollutants. ..
  • the second motion sensor 33b is a sensor that detects a user existing in the second indoor space 12a.
  • the second motion sensor 33b can communicate with the control device 40, and when it detects a user existing in the second indoor space 12a, it outputs a fourth information indicating the detected detection result to the control device 40.
  • the second motion sensor 33b is a microphone, a sonar sensor, an infrared imaging device, an image sensor such as a camera, a pyroelectric infrared sensor, or the like.
  • the second motion sensor 33b may estimate the user existing in the second indoor space 12a based on the change in the CO 2 concentration detected by the second air quality sensor 33a. Further, the second motion sensor 33b outputs the fourth information to the control device 40 at regular intervals.
  • Control device 40 First, the air quality control in the first indoor space 11a by the control device 40 will be described.
  • the control device 40 is a device that controls the air conditioner 21 and the first ventilation device 22 in cooperation with each other based on the detection results (first information and second information) detected by the indoor sensor 24.
  • the control device 40 has a control unit 41, a storage unit 42, and a communication unit 43.
  • the control unit 41 acquires the first information indicating the detection result detected by the first air quality sensor 24a via the communication unit 43.
  • the control unit 41 determines whether or not the concentration of the pollutant indicated in the first information detected by the first air quality sensor 24a is equal to or higher than the first concentration.
  • the control unit 41 issues a control command to increase the supply / exhaust air volume and the exhaust air volume of the first ventilation device 22 (hereinafter referred to as the air supply / exhaust volume of the first ventilation device 22) and increase the output of the air conditioner 21. It is transmitted to the first ventilation device 22 and the air conditioner 21 via the communication unit 43.
  • the control device 40 increases the air supply / exhaust amount of the first ventilation device 22 and outputs the air conditioner 21.
  • the first concentration and the second concentration are examples of the specified concentration.
  • control unit 41 determines the air supply / exhaust amount of the first ventilation device 22 and the output of the air conditioner 21 according to the concentration of pollutants in the air of the first indoor space 11a. If the concentration of pollutants in the air of the first indoor space 11a is higher than the first concentration and is equal to or higher than the second concentration, the control unit 41 outputs the air supply / exhaust amount of the first ventilation device 22 and the output of the air conditioner 21.
  • a control command (hereinafter referred to as a first control command) for making it “strong” may be output to the first ventilation device 22 and the air conditioner 21 via the communication unit 43.
  • the control unit 41 outputs the air supply / exhaust amount of the first ventilation device 22 and the output of the air conditioner 21.
  • a control command for making it "weak” (hereinafter referred to as a second control command) may be output to the first ventilation device 22 and the air conditioner 21 via the communication unit 43.
  • the control unit 41 is a control command for stopping the operation of the first ventilation device 22 and the air conditioner 21 if the concentration of pollutants in the air of the first indoor space 11a is less than the first concentration (hereinafter, A stop command) may be output to the first ventilation device 22 and the air conditioner 21 via the communication unit 43.
  • FIG. 2 is a diagram illustrating control commands of the air quality control system 1 according to the embodiment.
  • control command indicates information for specifying the "indoor space” in the facility 10, information for specifying the "device” to be controlled, and "scene” when a user exists in the indoor space.
  • Information and information indicating "control contents" for controlling the device to be controlled are included.
  • Such control commands may be preset or generated by the operating terminal 50.
  • the control device 40 determines the amount of air supply / exhaust from the first ventilation device 22. Increase and increase the output of the air conditioner 21.
  • the control unit 41 acquires the second information from the first motion sensor 24b via the communication unit 43, the air supply / exhaust amount of the first ventilation device 22 and the output of the air conditioner 21 are "weak". Even if it is set to, the control unit 41 outputs the first control command to the first ventilation device 22 and the air conditioner 21 via the communication unit 43. Further, even if the first ventilation device 22 and the air conditioner 21 are stopped, the control unit 41 issues the first control command or the second control command via the communication unit 43 to the first ventilation device 22 and the air conditioner 21. Output to the machine 21. The control unit 41 changes the output control command depending on the concentration of pollutants in the air of the first indoor space 11a.
  • the air supply / exhaust amount of the first ventilation device 22 increases, and the output of the air conditioner 21 increases.
  • the control device 40 when there are no more people in the first indoor space 11a (after the bathroom, toilet, etc. have been used), that is, when the control device 40 does not acquire the second information, the control device 40 has a concentration of pollutants. If is greater than or equal to the second concentration, these outputs may remain "strong". Further, when no one is present in the first indoor space 11a, the control device 40 issues a second control command to the first ventilation device 22 and the first ventilation device 22 if the concentration of the pollutant is equal to or more than the first concentration and less than the second concentration. It may be output to the air conditioner 21. Further, when no one is present in the first indoor space 11a, the control device 40 outputs a stop command to the first ventilation device 22 and the air conditioner 21 when the concentration of the pollutant becomes less than the first concentration. You may.
  • the air supply / exhaust amount of the first ventilation device 22 may decrease, and the output of the air conditioner 21 may decrease.
  • control device 40 has the second ventilation device 31 and the second ventilation device 31 based on the detection results (third information and fourth information) detected by the second air quality sensor 33a and the second motion sensor 33b, which are indoor sensors. , Controls the second air purifier 32.
  • the control unit 41 acquires the third information indicating the detection result detected by the second air quality sensor 33a via the communication unit 43.
  • the control unit 41 determines whether or not the temperature is the first temperature or higher and the humidity is the first humidity or higher, which is shown in the third information detected by the second air quality sensor 33a.
  • the control unit 41 increases the exhaust air volume of the second ventilation device 31 and is second. 2
  • a control command for increasing the output of the air purifier 32 is transmitted to the second ventilation device 31 and the second air purifier 32 via the communication unit 43.
  • control device 40 increases the exhaust air volume of the second ventilation device 31 and , Increase the output of the second air purifier 32.
  • control unit 41 determines the exhaust air volume of the second ventilation device 31 and the output of the second air purifier 32 according to the temperature and humidity of the air in the second indoor space 12a.
  • the control unit 41 is a second ventilation device if the temperature of the air in the second indoor space 12a is higher than the second temperature higher than the first temperature and the humidity is higher than the first humidity second humidity or higher.
  • a control command (hereinafter referred to as a third control command) for increasing the exhaust air volume of 31 and the output of the second air purifier 32 to "strong" is issued to the second ventilation device 31 and the second air via the communication unit 43. It may be output to the purifier 32.
  • control unit 41 is a second ventilation device if the temperature of the air in the second indoor space 12a is the first temperature or more and lower than the first second temperature and the humidity is the first humidity or more and less than the second humidity.
  • a control command (hereinafter referred to as a fourth control command) for reducing the exhaust air volume of the 31 and the output of the second air purifier 32 to "weak" is issued to the second ventilation device 31 and the second air via the communication unit 43. It may be output to the purifier 32.
  • the exhaust air volume of the second ventilation device 31 and the output of the second air purifier 32 have been described in two stages of "strong" and "weak", three or more stages may be set. It may be a stage setting. That is, there may be additional thresholds for temperature and humidity.
  • control device 40 controls the second ventilation device 31 so that the humidity in the second indoor space 12a is 0% or more and 60% or less. If the humidity in the second indoor space 12a is kept at 0% or more and 60% or less, mold and the like are less likely to occur.
  • the control device 40 may control the second ventilation device 31 and the second air purifier 32 according to the presence / absence of the second indoor space 12a of the user. Specifically, when the user is present in the second indoor space 12a, the control device 40 sets the humidity in the second indoor space 12a to 40% or more and 60% or less (first mode), and sets the humidity in the second indoor space 12a. When the user does not exist, the humidity in the second indoor space 12a may be controlled to be 0% or more and 60% or less (second mode). That is, the control device 40 can control the exhaust air volume of the second ventilation device 31 and the output of the second air purifier 32 by switching the control between the first mode and the second mode. As a result, the environment (air quality) of the second indoor space 12a is adjusted.
  • control unit 41 If the temperature of the air in the second indoor space 12a is equal to or lower than the first temperature, the control unit 41 outputs a stop command to the second ventilation device 31 and the second air purifier 32 via the communication unit 43. You may.
  • control device 40 when the control device 40 acquires a detection result indicating that a person exists in the second indoor space 12a from the second motion sensor 33b, the control device 40 reduces at least the output of the second air purifier 32. In the present embodiment, when the control device 40 acquires the detection result indicating that a person exists in the second indoor space 12a from the second motion sensor 33b, the control device 40 determines the exhaust air volume of the second ventilation device 31. A case where the amount is reduced and the output of the second air purifier 32 is reduced will be described.
  • the control unit 41 acquires the fourth information from the second motion sensor 33b via the communication unit 43, the exhaust air volume of the second ventilation device 31 and the output of the second air purifier 32 are ". Even if it is set to "strong”, the control unit 41 outputs the third control command to the second ventilation device 31 and the second air purifier 32 via the communication unit 43. Further, even if the exhaust air volume of the second ventilation device 31 and the output of the second air purifier 32 are set to "weak", the control unit 41 issues a stop command via the communication unit 43 to the second ventilation device. Output to 31 and the second air purifier 32.
  • the control device 40 may change the output control command depending on the temperature and humidity of the air in the second indoor space 12a.
  • the control device 40 when no one exists in the second indoor space 12a, that is, when the control device 40 does not acquire the fourth information, the control device 40 has a second temperature of the air in the second indoor space 12a equal to or higher than the first temperature. If the temperature is lower than the temperature and the humidity is equal to or higher than the first humidity and lower than the second humidity, these outputs may be left “weak”. When no one is present in the second indoor space 12a, the control device 40 determines that the temperature of the air in the second indoor space 12a is the second temperature or higher and the humidity is the second humidity or higher. The third control command may be output to the second ventilation device 31 and the second air purifier 32.
  • the control device 40 When no one is present in the second indoor space 12a, the control device 40 has the control device 40 in which the temperature of the air in the second indoor space 12a is lower than the first temperature and the humidity of the air in the second indoor space 12a is the first. If the humidity is lower than the humidity, a stop command may be output to the second ventilation device 31 and the second air purifier 32.
  • the exhaust air volume of the second ventilation device 31 may increase and the output of the second air purifier 32 may increase.
  • control device 40 controls the first ventilation device 22 and the air conditioner 21 in conjunction with the activation of the second ventilation device 31.
  • control device 40 increases the exhaust air volume of the second ventilation device 31, the control device 40 increases the air supply / exhaust volume of the first ventilation device 22 and increases the output of the air conditioner 21.
  • the control device 40 outputs the air supply / exhaust volume of the first ventilation device 22 and the output of the air conditioner 21 to "strong" or "weak".
  • the control device 40 stops the first ventilation device 22 and the air conditioner 21.
  • the storage unit 42 is a storage device that stores a plurality of control commands for adjusting the environment of the first indoor space 11a and the second indoor space 12a. Further, the storage unit 42 stores historical information such as past PM concentration, CO 2 concentration, temperature and humidity (information indicating the environment of the past first indoor space 11a and second indoor space 12a) and the like.
  • the storage unit 42 is realized by a semiconductor memory or the like.
  • the communication unit 43 is a communication module capable of wireless or wired communication with the air conditioner 21, the first ventilation device 22, the second ventilation device 31, the second air purifier 32, and the like.
  • the communication unit 43 transmits information indicating the environment of the first indoor space 11a and the second indoor space 12a to the operation terminal 50, and receives and transmits control commands.
  • the operation terminal 50 is an information terminal possessed by the user, and is, for example, a mobile terminal such as a smartphone or a tablet terminal.
  • the operation terminal 50 may be an information terminal installed on a wall or the like, or may be an information terminal integrated with a gateway.
  • one operation terminal 50 may be provided for one facility 10, one may be provided for each indoor space, and the number of operation terminals 50 is not limited.
  • the operation terminal 50 may be integrated with the first air quality sensor 24a and the first motion sensor 24b, and the second air quality sensor 33a and It may be integrated with the second motion sensor 33b.
  • the operation terminal 50 has a display unit 51, a storage unit 52, a processing unit 53, an operation input unit 54, and a communication unit 55.
  • FIG. 3 is a diagram illustrating information indicating the environment of the first indoor space 11a displayed on the operation terminal 50 of the air quality control system 1 according to the embodiment.
  • the display unit 51 displays information indicating the environment of the first indoor space 11a and the second indoor space 12a.
  • the display unit 51 displays the PM concentration, CO 2 concentration, temperature, humidity, etc. in the first indoor space 11a and the outside of the facility, the temperature, humidity, etc. in the second indoor space 12a.
  • the display unit 51 is, for example, a liquid crystal panel, an organic EL panel, or the like.
  • the storage unit 52 is a storage device that stores a plurality of control commands for adjusting the environment of the first room space 11a and the second room space 12a. Further, the storage unit 52 stores a computer program for generating a control command by receiving an input from the operation input unit 54 by the user, past PM concentration, CO 2 concentration, history information such as temperature and humidity, and the like. ing.
  • the storage unit 52 is realized by a semiconductor memory or the like.
  • the processing unit 53 acquires the information indicating the environment such as the first indoor space 11a and the second indoor space 12a from the control device 40, the processing unit 53 obtains the acquired information indicating the environment such as the first indoor space 11a and the second indoor space 12a. It is displayed on the display unit 51.
  • the processing unit 53 When the processing unit 53 receives the user's operation via the operation input unit 54, the processing unit 53 is a control command for adjusting the temperature, humidity, and the like of the air in the first room space 11a and the second room space 12a, which are preset by the user. Is read from the storage unit 52 and transmitted to the control device 40 via the communication unit 55. Further, the processing unit 53 may generate a desired control command via the operation input unit 54 in order to adjust the environment such as the first room space 11a and the second room space 12a.
  • the operation input unit 54 is a touch panel, a hardware key, or the like, and is an input interface that accepts user operations.
  • the communication unit 55 is a communication module capable of wireless or wired communication with the control device 40.
  • the communication unit 55 receives information indicating the environment of the first indoor space 11a and transmits a control command.
  • the outdoor sensor 60 detects the environment outside the facility 10, and outputs outdoor environment information indicating the environment outside the facility 10 as a detection result.
  • the outdoor sensor 60 can communicate with the control device 40, and transmits outdoor environment information to the control device 40 and the operation terminal 50.
  • the outdoor sensor 60 is a semiconductor gas sensor, a temperature sensor, a humidity sensor, or the like capable of sensing the above-mentioned gas concentration.
  • the outdoor environment information may be acquired from an external server device that manages weather forecast information and the like via a wide area communication network.
  • the outdoor environment information may be an air quality index (AQI: Air Quality Index).
  • FIG. 4 is a flowchart illustrating the operation of the first ventilation device 22 and the air conditioner 21 according to the concentration of pollutants in the air of the first indoor space 11a.
  • FIG. 4 describes the operation of the air quality control system 1 in the first room space 11a of the first room 11.
  • the air supply / exhaust amount of the first ventilation device 22 and the output of the air conditioner 21 can be set to two stages of “strong” and “weak”. There is. Further, it is assumed that the first ventilation device 22 and the air conditioner 21 are stopped.
  • pollutants shall be PM and CO 2 .
  • the first air quality sensor 24a measures the air quality of the first indoor space 11a. That is, the first air quality sensor 24a detects the concentration of pollutants in the air of the first indoor space 11a (S11), and outputs the first information indicating the detected detection result to the control device 40.
  • the control unit 41 of the control device 40 determines whether the concentration of the pollutant in the air of the first indoor space 11a shown in the first information is equal to or higher than the second concentration. Is determined (S12). When the concentration of the pollutant is the second concentration or more, it indicates that the concentration of the pollutant in the air of the first indoor space 11a is high, that is, the air is polluted. Therefore, when the control unit 41 determines that the concentration of the pollutant in the air of the first indoor space 11a is equal to or higher than the second concentration (YES in S12), the control device 40 determines the air supply / exhaust amount of the first ventilation device 22. The output of the air conditioner 21 is increased (S14). That is, the control unit 41 outputs the first control command to the first ventilation device 22 and the air conditioner 21 via the communication unit 43.
  • the air supply / exhaust amount of the first ventilation device 22 and the output of the air conditioner 21 are set to "strong". Will be done. Then, the control device 40 ends the process.
  • the concentration of the pollutant shown in the first information is equal to or higher than the first concentration. It is determined whether or not (S13). If the concentration of pollutants in the air of the first indoor space 11a is equal to or more than the first concentration and less than the second concentration, it means that the concentration of pollutants in the air of the first indoor space 11a is medium, that is, the air is slightly polluted. Shown.
  • the control unit 41 determines that the concentration of the pollutant in the air of the first indoor space 11a is equal to or more than the first concentration and less than the second concentration (YES in S13), the control device 40 is the first ventilation device 22.
  • the air supply / exhaust amount is increased, and the output of the air conditioner 21 is increased (S15). That is, the control unit 41 outputs the second control command to the first ventilation device 22 and the air conditioner 21 via the communication unit 43.
  • the air supply / exhaust amount of the first ventilation device 22 and the output of the air conditioner 21 are set to "weak". .. Then, the control device 40 ends the process.
  • control unit 41 determines that the concentration of the pollutant in the air of the first indoor space 11a is less than the first concentration (NO in S13)
  • the control unit 41 issues a stop command via the communication unit 43 to the first ventilation device.
  • Output to 22 and the air conditioner 21 S16. This indicates that the concentration of pollutants in the air of the first indoor space 11a is low, that is, the air is clear, so that the first ventilation device 22 and the air conditioner 21 are stopped.
  • the first ventilation device 22 and the air conditioner 21 in the stopped state when the stop command is acquired, the first ventilation device 22 and the air conditioner 21 keep the stopped state.
  • the first ventilation device 22 and the air conditioner 21 are stopped when the stop command is acquired. Then, the control device 40 ends the process.
  • FIG. 5 is a flowchart illustrating the operation of the first ventilation device 22 and the air conditioner 21 depending on the presence or absence of a user in the first indoor space 11a.
  • the control device 40 determines whether or not a user exists in the first indoor space 11a (S21). Specifically, when the first motion sensor 24b detects a user existing in the first indoor space 11a, it outputs second information indicating the detected detection result to the control device 40. When the control unit 41 of the control device 40 acquires the second information, it determines that a person exists in the second indoor space 12a (YES in S21).
  • the control device 40 increases the air supply / exhaust amount of the first ventilation device 22 and air.
  • the output of the air conditioner 21 is increased (S22). This is because when the user exists in the first room space 11a, the CO 2 concentration in the first room space 11a increases with the passage of time due to the user's breathing, and the PM is wound up by the user's movement, so that the first room The PM concentration of air in space 11a increases. Therefore, the control unit 41 needs to exhaust the air in the first indoor space 11a and supply the air from the outside. That is, if the outdoor air is dirty, it is necessary to clean the outdoor air before inhaling. Therefore, by installing the first air purifier 23 on the upstream side of the first ventilation device 22, the outdoor air purified through the first air purifier 23 is supplied to the first indoor space 11a. ..
  • the control unit 41 outputs the first control command or the second control command to the first ventilation device 22 and the air conditioner 21 via the communication unit 43.
  • the air supply / exhaust amount of the first ventilation device 22 and the output of the air conditioner 21 become "strong" or "weak”. Become. Then, the control device 40 ends the process.
  • the control unit 41 does not acquire the second information, so that no person exists in the second indoor space 12a. Judgment (NO in S21).
  • step S21 when the air supply / exhaust amount of the first ventilation device 22 and the output of the air conditioner 21 are “strong”, if NO in step S21, the control device 40 reduces the air supply / exhaust amount of the first ventilation device 22. Moreover, the output of the air conditioner 21 is reduced (S23). This is because when the user is not present in the first indoor space 11a, the CO 2 concentration in the first indoor space 11a decreases with the passage of time due to the movement of air, and the PM concentration decreases. Therefore, the control unit 41 does not need to exhaust much air from the first indoor space 11a, and does not need to supply much air from the outside.
  • control unit 41 outputs a second control command or a stop command to the first ventilation device 22 and the air conditioner 21 via the communication unit 43.
  • the air supply / exhaust amount of the first ventilation device 22 and the output of the air conditioner 21 become "weak", or the first The ventilation device 22 and the air conditioner 21 are stopped. Then, the control device 40 ends the process.
  • FIG. 6 is a flowchart illustrating the operation of the air quality control system 1 according to the embodiment in which FIGS. 4 and 5 are combined.
  • step S13 the control unit 41 of the control device 40 determines whether or not a user exists in the first indoor space 11a (S21a).
  • the control unit 41 determines that a person exists in the first indoor space 11a (YES in S21a)
  • the control unit 41 proceeds to step S14a.
  • the control unit 41 outputs the first control command to the first ventilation device 22 and the air conditioner 21 via the communication unit 43.
  • the air supply / exhaust amount of the first ventilation device 22 and the output of the air conditioner 21 become “strong” (S14a).
  • the air supply / exhaust amount of the first ventilation device 22 and the output of the air conditioner 21 are "weak", but the presence of the user in the first indoor space 11a causes the control device 40 to perform the first ventilation.
  • the air supply / exhaust amount of the device 22 is increased, and the output of the air conditioner 21 is increased. Then, the control device 40 ends the process.
  • control unit 41 determines that no person exists in the first indoor space 11a (NO in S21a)
  • the control unit 41 proceeds to step S15a.
  • the control unit 41 outputs the second control command to the first ventilation device 22 and the air conditioner 21 via the communication unit 43.
  • the air supply / exhaust amount of the first ventilation device 22 and the output of the air conditioner 21 become “weak” (S15a).
  • step S13 the control device 40 determines whether or not a user exists in the first indoor space 11a (S21b).
  • the control unit 41 determines that a person exists in the first indoor space 11a (YES in S21b)
  • the control unit 41 proceeds to step S15a. That is, originally, the first ventilation device 22 and the air conditioner 21 are stopped, but the control device 40 increases the air supply / exhaust amount of the first ventilation device 22 due to the presence of the user in the first indoor space 11a. Moreover, the output of the air conditioner 21 is increased.
  • control unit 41 determines that no person exists in the first indoor space 11a (NO in S21b)
  • the control unit 41 proceeds to step S16. Then, the control device 40 ends the process.
  • the first ventilation device 22 and the air conditioner depend on the high concentration of pollutants in the air of the first indoor space 11a rather than whether or not the user exists in the first indoor space 11a. Change the output of 21. That is, in the first indoor space 11a, the process of FIG. 4 may be prioritized over the process of FIG.
  • FIG. 7 is a flowchart illustrating the operation of the second ventilation device 31 and the second air purifier 32 according to the temperature and humidity of the air in the second indoor space 12a.
  • the exhaust air volume of the second ventilation device 31 and the output of the second air purifier 32 can be set to two stages of “strong” and “weak”. ing. Further, it is assumed that the second ventilation device 31 and the second air purifier 32 are stopped.
  • the second air quality sensor 33a measures the air quality of the second indoor space 12a. That is, the second air quality sensor 33a detects the temperature and humidity of the air in the second indoor space 12a (S41), and outputs the third information indicating the detected detection result to the control device 40.
  • the control unit 41 of the control device 40 has the air temperature of the second indoor space 12a shown in the third information equal to or higher than the second temperature and the humidity is high. It is determined whether or not the humidity is equal to or higher than the second humidity (S42). If the temperature is the second temperature or higher and the humidity is the second humidity or higher, the humidity and temperature of the air in the second indoor space 12a are high, that is, an environment in which mold, bacteria, viruses, etc. are likely to occur. Indicates that it is in. Therefore, when the control unit 41 determines that the temperature of the air in the second indoor space 12a is the second temperature or higher and the humidity is the second humidity or higher (YES in S42), the control device 40 is in the second position. The exhaust air volume of the ventilation device 31 is increased, and the output of the second air purifier 32 is increased (S44). That is, the control unit 41 outputs the third control command to the second ventilation device 31 and the second air purifier 32 via the communication unit 43.
  • control device 40 performs the process of step S44, increases at least the air supply air volume of the first ventilation device 22, and increases the output of the air conditioner 21 (S45). That is, the control unit 41 outputs the first control command to the first ventilation device 22 and the air conditioner 21 via the communication unit 43.
  • the air supply air volume of the first ventilation device 22 and the output of the air conditioner 21 are set to "strong".
  • the first ventilation device 22 is activated to supply air.
  • the output of the air conditioner 21 is increased (in the present embodiment, the air conditioner 21 is started).
  • the control device 40 ends the process.
  • the control unit 41 determines that the temperature of the air in the second indoor space 12a is lower than the second temperature and the humidity is lower than the second humidity (NO in S42), the temperature indicated in the third information. Is above the first temperature and the humidity is above and below the first humidity (S43). If the temperature of the air in the second indoor space 12a is the first temperature or more and less than the second temperature, and the humidity is the first humidity or more and less than the second humidity, the temperature and humidity in the air of the second indoor space 12a are medium. Degree, that is, it indicates that the environment is slightly susceptible to mold, bacteria, viruses, and the like.
  • control unit 41 determines that the temperature of the air in the second indoor space 12a is the first temperature or more and less than the second temperature, and the humidity is the first humidity or more and less than the second humidity (YES in S43).
  • the control device 40 increases the exhaust air volume of the second ventilation device 31 and increases the output of the second air purifier 32 (S46). That is, the control unit 41 outputs the fourth control command to the second ventilation device 31 and the second air purifier 32 via the communication unit 43.
  • control device 40 processes step S46, increases at least the air supply air volume of the first ventilation device 22, and increases the output of the air conditioner 21 (S47). That is, the control unit 41 outputs the second control command to the first ventilation device 22 and the air conditioner 21 via the communication unit 43.
  • the air supply air volume of the first ventilation device 22 and the output of the air conditioner 21 are set to "weak".
  • air is supplied by increasing the air supply air volume of the first ventilation device 22 in the first indoor space 11a (in the present embodiment, the first ventilation device 22 is activated).
  • the output of the air conditioner 21 is increased (in the present embodiment, the air conditioner 21 is started).
  • the control device 40 ends the process.
  • control unit 41 determines that the temperature of the air in the second indoor space 12a is lower than the first temperature and the humidity is lower than the first humidity (NO in S43)
  • the control unit 41 issues a stop command to the communication unit 43.
  • the second ventilation device 31 and the second air purifier 32 in the stopped state, when the stop command is acquired, the second ventilation device 31 and the second air purifier 32 keep the stopped state.
  • the second ventilation device 31 and the second air purifier 32 are movable, the second ventilation device 31 and the second air purifier 32 are stopped. Then, the control device 40 ends the process.
  • FIG. 8 is a flowchart illustrating the operation of the second ventilation device 31 and the second air purifier 32 depending on the presence or absence of a user in the second indoor space 12a.
  • the control device 40 determines whether or not a user exists in the second indoor space 12a (S51). Specifically, when the second motion sensor 33b detects a user existing in the second indoor space 12a, the second motion sensor 33b outputs the fourth information indicating the detected detection result to the control device 40. When the control unit 41 of the control device 40 acquires the fourth information, it determines that a person exists in the second indoor space 12a (YES in S51).
  • step S51 when the exhaust air volume of the second ventilation device 31 and the output of the second air purifier 32 are "strong", if YES in step S51, the control device 40 reduces the exhaust air volume of the second ventilation device 31. Moreover, the output of the second air purifier 32 is reduced (S52). This is because when the user is present in the second indoor space 12a, the user may inhale electrolyzed water having a deodorizing effect, a bactericidal effect, or a sterilizing effect, so the process of step S52 is performed.
  • the control unit 41 outputs the fourth control command or the stop command to the second ventilation device 31 and the second air purifier 32 via the communication unit 43.
  • the second ventilation device 31 and the second air purifier 32 acquire the fourth control command or the stop command
  • the exhaust air volume of the second ventilation device 31 and the output of the second air purifier 32 are "weak" or stopped. To do. Then, the control device 40 ends the process.
  • the control unit 41 does not acquire the fourth information, so that no person exists in the second indoor space 12a. Judgment (NO in S51).
  • step S51 when the second ventilation device 31 and the second air purifier 32 are stopped, if NO in step S51, the control device 40 increases the exhaust air volume of the second ventilation device 31 and the second The output of the air purifier 32 is increased (S53). This is because if the user does not exist in the second indoor space 12a, the user does not inhale the electrolyzed water having a deodorizing effect, a bactericidal effect, or a sterilizing effect, so the process of step S53 is performed.
  • control unit 41 outputs the fourth control command or the third control command to the second ventilation device 31 and the second air purifier 32 via the communication unit 43.
  • the air supply / exhaust amount of the first ventilation device 22 and the output of the air conditioner 21 are "weak” or "strong”. Is set to. Then, the control device 40 ends the process.
  • FIG. 9 is a flowchart illustrating the operation of the air quality control system 1 according to the embodiment, in which FIGS. 7 and 8 are combined.
  • step S42 the control device 40 determines whether or not the user exists in the second indoor space 12a (S51a).
  • the control unit 41 of the control device 40 determines that no person exists in the second indoor space 12a (NO in S51a)
  • the process proceeds to step S44a.
  • the control unit 41 outputs the third control command to the second ventilation device 31 and the second air purifier 32 via the communication unit 43 (S44a). Then, the exhaust air volume of the second ventilation device 31 and the output of the second air purifier 32 become "strong".
  • control unit 41 outputs the first control command to the first ventilation device 22 and the air conditioner 21 via the communication unit 43 (S45a). Then, the air supply air volume of the first ventilation device 22 and the output of the air conditioner 21 become "strong”. Then, the control device 40 ends the process.
  • control unit 41 determines that a person exists in the second indoor space 12a (YES in S51a). Further, when the control unit 41 determines that a person exists in the second indoor space 12a (YES in S51a), the control unit 41 proceeds to step S46a.
  • the control unit 41 outputs the fourth control command to the second ventilation device 31 and the second air purifier 32 via the communication unit 43 (S46a). Then, the exhaust air volume of the second ventilation device 31 and the output of the second air purifier 32 become "weak". That is, originally, the exhaust air volume of the second ventilation device 31 and the output of the second air purifier 32 are "strong", but due to the presence of the user in the second indoor space 12a, the control device 40 becomes the second. The exhaust air volume of the ventilation device 31 is reduced, and the output of the second air purifier 32 is reduced.
  • control unit 41 outputs the second control command to the first ventilation device 22 and the air conditioner 21 via the communication unit 43 (S47a). Then, the air supply air volume of the first ventilation device 22 and the output of the air conditioner 21 become "weak”. Then, the control device 40 ends the process.
  • step S42 determines whether or not the user exists in the second indoor space 12a (S51b).
  • the control unit 41 determines that no person exists in the second indoor space 12a (NO in S51b)
  • the control unit 41 proceeds to step S46a.
  • step S48 when the control unit 41 determines that a person exists in the second indoor space 12a (YES in S51b), the control unit 41 proceeds to step S48. That is, originally, the exhaust air volume of the second ventilation device 31 and the output of the second air purifier 32 are "weak", but due to the presence of the user in the second indoor space 12a, the control device 40 becomes the second. The exhaust air volume of the ventilation device 31 is reduced, and the output of the second air purifier 32 is reduced. As a result, the second ventilation device 31 and the second air purifier 32 are stopped. Then, the control device 40 ends the process.
  • the outputs of the second ventilation device 31 and the second air purifier 32 are changed depending on the presence or absence of the user rather than the high temperature and humidity of the air in the second indoor space 12a. .. That is, in the second indoor space 12a, the process of FIG. 8 may be prioritized over the process of FIG. 7.
  • the air quality control system 1 has an air conditioner 21 that adjusts the temperature and humidity of the air in the first indoor space 11a of the facility 10 and the outdoor air in the first indoor space 11a.
  • the first ventilation device 22 that supplies air to the room and exhausts the air of the first indoor space 11a to the outside and the first ventilation device 22 supplies the outdoor air to the first indoor space 11a
  • the outdoor The first air purifier 23 that purifies the outdoor air by removing the pollutants contained in the air
  • the indoor sensor 24 that detects the environment of the first indoor space 11a
  • the detection result detected by the indoor sensor 24 Based on the above, the air conditioner 21 and the control device 40 for controlling the first ventilation device 22 are provided.
  • the control device 40 moves the first ventilation device 22 to exhaust the air of the first indoor space 11a to the outside and to the outside. Air is supplied to the room. At this time, the temperature and humidity of the air in the first indoor space 11a are about to change. However, the control device 40 also moves the air conditioner 21 so that the temperature and humidity of the air in the first indoor space 11a do not change (so as to suppress the change) based on the detection result detected by the indoor sensor 24. Let me. Therefore, changes in the temperature and humidity of the air in the first indoor space 11a can be suppressed.
  • the outdoor air of a facility contains a large amount of pollutants
  • a conventional air quality control system when used, when the first ventilation device is moved, the outdoor air containing a large amount of pollutants is indoors. Will be supplied with air.
  • the pollutants contained in the outdoor air are removed. , Clean the air. Therefore, even if the first ventilation device 22 is movable, the purified outdoor air can be supplied to the first indoor space 11a. Therefore, the pollutants contained in the air of the first indoor space 11a can be efficiently discharged, and it is difficult to supply the pollutants to the first indoor space 11a when supplying the outdoor air.
  • this air quality control system 1 can provide a comfortable indoor environment as before.
  • the temperature and humidity of the air in the first indoor space 11a of the facility 10 are adjusted by the air conditioner 21, and the outdoor air is controlled by the first ventilation device 22.
  • the air conditioner 21 and the first ventilation Including controlling the device 22.
  • the program according to this embodiment causes a computer to execute an air quality control method.
  • the indoor sensor 24 has an air quality sensor that detects the concentration of pollutants in the air of the first indoor space 11a. Further, when the concentration of pollutants in the air of the first indoor space 11a is equal to or higher than the specified concentration based on the detection result detected by the air quality sensor, the control device 40 determines the supply air volume and the exhaust air volume of the first ventilation device 22 ( The air supply / exhaust amount of the first ventilation device 22) is increased, and the output of the air conditioner 21 is increased.
  • the concentration of pollutants in the air of the first indoor space 11a increases, the outdoor air purified by the first ventilation device 22 is supplied to the first indoor space 11a, and the first indoor space 11a Exhaust pollutants contained in the air. Therefore, the concentration of pollutants in the air of the first indoor space 11a can be reduced. Further, even if the first ventilation device 22 exhausts and supplies air, the air conditioner 21 is movable, so that the temperature and humidity of the air in the first indoor space 11a are unlikely to change. As a result, the air in the first indoor space 11a is purified, so that the air quality control system 1 can provide a more comfortable indoor environment.
  • the indoor sensor 24 has a first motion sensor 24b that detects a user existing in the first indoor space 11a. Then, when the control device 40 acquires the detection result indicating that the user exists in the first indoor space 11a from the first motion sensor 24b, the control device 40 increases the supply air volume and the exhaust air volume of the first ventilation device 22. Moreover, the output of the air conditioner 21 is increased.
  • the CO 2 concentration in the first room space increases with the passage of time due to the user's breathing, and the PM is wound up by the user's movement to wind up the air in the first room space. PM concentration increases.
  • the control device 40 increases the supply air volume and the exhaust air volume of the first ventilation device 22 when the user is present in the first indoor space 11a, and outputs the air conditioner 21. To increase. As a result, the air in the first indoor space 11a is purified, and the temperature and humidity of the air in the first indoor space 11a are maintained. Therefore, the air quality control system 1 provides a more comfortable indoor environment. be able to.
  • the air quality control system 1 includes a second ventilation device 31 that exhausts air in a second indoor space 12a different from the first indoor space 11a of the facility 10 to the outside, and a second indoor space 12a.
  • a second air purifier 32 for deodorizing or sterilizing the air in the room and a second human sensor 33b for detecting a user existing in the second indoor space 12a are provided. Then, when the control device 40 acquires the detection result indicating that the user exists in the second indoor space 12a from the second motion sensor 33b, the control device 40 reduces at least the output of the second air purifier 32.
  • the control device 40 increases the exhaust air volume of the second ventilation device 31, the supply air volume and the exhaust air volume of the first ventilation device 22 are increased, and the exhaust air volume is increased. , Increase the output of the air conditioner 21.
  • the control device 40 is set in the first indoor space 11a in order to exhaust the air in the second indoor space 12a more efficiently.
  • the purified outdoor air is supplied.
  • the purified outdoor air is supplied from the first indoor space 11a to the second indoor space 12a.
  • the control device 40 prevents the temperature and humidity of the air in the first indoor space 11a from changing.
  • the output of the air conditioner 21 is controlled.
  • this air quality control system 1 can provide a more comfortable indoor environment.
  • control device 40 controls the second ventilation device 31 so that the humidity in the second indoor space 12a is 0% or more and 60% or less.
  • the pollutant indicates at least one of CO 2 and PM (Particulate Matter).
  • these pollutants can be removed from the first indoor space 11a or the second indoor space 12a.
  • the air quality control system 1 includes an operation terminal 50 capable of wireless communication with the control device 40. Then, the operation terminal 50 has a display unit 51 that displays information indicating the environment of at least the first indoor space 11a.
  • the user can correctly recognize the environment of at least the first indoor space 11a.
  • the operation terminal 50 stores a storage unit 52 that stores one or more control commands for controlling the control device 40 for adjusting the environment of the first indoor space 11a. Have. Then, the operation terminal 50 selects a control command corresponding to the user from one or more control commands by identifying the user, and transmits the selected control command to the control device 40.
  • the control command that suits the user's preference is stored in the storage unit 52, the control command that matches the user's preference is selected, and the environment of the first indoor space 11a becomes a desired environment. Can be adjusted to.
  • the first ventilation device 22 is a heat exchange type ventilation device.
  • the air quality control system 1 is excellent in energy efficiency.
  • the facility 10 is installed in a hot and humid area.
  • the air conditioner 21 lowers the temperature and humidity of the air in the first indoor space 11a. Since it is movable, the first indoor space 11a and the second indoor space 12a can be made into a comfortable environment even in a hot and humid area.
  • the air purifier, the second air quality sensor, the second human sensor, and the control device may have a power supply unit for supplying power.
  • the power supply unit may be a battery such as a battery or a power supply circuit that converts electric power supplied from a commercial power source.
  • control devices include an air conditioner, a first ventilation device, a first air purifier, a first air quality sensor, a first human sensor, and a second ventilation. It may be mounted on any of the device, the second air purifier, the second air quality sensor, the second human sensor, and the operation terminal, or may be another independent device.
  • a plurality of first air quality sensors may be provided in the first indoor space.
  • the first air quality sensor or control device is used to distribute the air quality in the first indoor space (the distribution of the above-mentioned CO 2 concentration and the like indicated by the first information). It may have a function of predicting.
  • a plurality of second air quality sensors may be provided in the second indoor space.
  • the second air quality sensor or control device predicts the distribution of air quality in the second indoor space (the distribution of the above-mentioned humidity and the like indicated by the second information). It may have a function to perform.
  • the air quality control method, and the program according to each of the above embodiments when a water surrounding space exists in the first indoor space, it is based on a change in humidity or the like shown in the first information. , The presence or absence of the user may be estimated, or the presence or absence of water may be estimated. In this way, the first motion sensor can estimate the presence of the user based on the first information indicating the air quality of the first indoor space.
  • the control device may estimate the existence of the user instead of the first motion sensor.
  • the first motion sensor, the second motion sensor, or the control device is in the absence of a user in the indoor space. Based on this, the user's life rhythm may be learned. Further, the control device may have a function of automatically controlling the air quality of the indoor space according to the user's life.
  • the air quality control system, the air quality control method, and the program according to each of the above embodiments are typically realized as an LSI which is an integrated circuit. These may be individually integrated into one chip, or may be integrated into one chip so as to include a part or all of them.
  • the integrated circuit is not limited to the LSI, and may be realized by a dedicated circuit or a general-purpose processor.
  • An FPGA Field Programmable Gate Array
  • a reconfigurable processor that can reconfigure the connection and setting of circuit cells inside the LSI may be used.
  • each component may be configured by dedicated hardware or may be realized by executing a software program suitable for each component.
  • Each component may be realized by a program execution unit such as a CPU or a processor reading and executing a software program recorded on a recording medium such as a hard disk or a semiconductor memory.
  • the division of the functional block in the block diagram is an example, and a plurality of functional blocks can be realized as one functional block, one functional block can be divided into a plurality of functional blocks, and some functions can be transferred to other functional blocks. You may. Further, the functions of a plurality of functional blocks having similar functions may be processed by a single hardware or software in parallel or in a time division manner.
  • each step in the flowchart is executed is for the purpose of exemplifying the present disclosure in detail, and may be an order other than the above. Further, a part of the above steps may be executed at the same time (parallel) as other steps.
  • Air quality control system 10 Facility 11a 1st indoor space 12a 2nd indoor space 21 Air conditioner 22 1st ventilation equipment 23 1st air purifier 24 Indoor sensor 24a 1st air quality sensor (air quality sensor) 24b 1st motion sensor 31 2nd ventilation device 32 2nd air purifier 33b 2nd motion sensor 40 Control device 50 Operation terminal 51 Display 52 Storage

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  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)
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JP2022159634A (ja) * 2021-04-05 2022-10-18 有限会社住空想建築工房 給換気システム
WO2023007666A1 (ja) * 2021-07-29 2023-02-02 日立ジョンソンコントロールズ空調株式会社 空調換気システム
WO2023062735A1 (ja) * 2021-10-13 2023-04-20 三菱電機株式会社 換気システム及び報知制御方法
JP2023086032A (ja) * 2021-12-09 2023-06-21 株式会社富士通ゼネラル 空気調和機及び空気調和システム
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JP2024532353A (ja) * 2021-08-27 2024-09-05 グーグル エルエルシー Ｖｏｃ検出に基づく健康アセスメント生成
CN119987227A (zh) * 2025-04-11 2025-05-13 南京工业大学 一种基于人工智能的运营期建筑节能低碳控制方法及系统
JP2025096086A (ja) * 2023-12-15 2025-06-26 研能科技股▲ふん▼有限公司 室内空気清浄システム
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JP2025096086A (ja) * 2023-12-15 2025-06-26 研能科技股▲ふん▼有限公司 室内空気清浄システム
JP2025107148A (ja) * 2024-01-05 2025-07-17 研能科技股▲ふん▼有限公司 室内空気清浄システム
CN119987227A (zh) * 2025-04-11 2025-05-13 南京工业大学 一种基于人工智能的运营期建筑节能低碳控制方法及系统

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