WO2024077985A1 - Procédé et dispositif de commande pour liaison de dispositifs à air frais, et système domestique intelligent - Google Patents

Procédé et dispositif de commande pour liaison de dispositifs à air frais, et système domestique intelligent Download PDF

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Publication number
WO2024077985A1
WO2024077985A1 PCT/CN2023/099587 CN2023099587W WO2024077985A1 WO 2024077985 A1 WO2024077985 A1 WO 2024077985A1 CN 2023099587 W CN2023099587 W CN 2023099587W WO 2024077985 A1 WO2024077985 A1 WO 2024077985A1
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WIPO (PCT)
Prior art keywords
current
temperature
fresh air
room
rate
Prior art date
Application number
PCT/CN2023/099587
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English (en)
Chinese (zh)
Inventor
王文博
郝本华
刘月亭
Original Assignee
青岛海尔空调器有限总公司
青岛海尔空调电子有限公司
海尔智家股份有限公司
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Publication of WO2024077985A1 publication Critical patent/WO2024077985A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • 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
    • 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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/64—Airborne particle content
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/74—Ozone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/80—Electric charge
    • 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 application relates to the field of smart home technology, and for example, to a control method and device for a linked fresh air device and a smart home system.
  • two adjacent rooms can be set with the same set temperature so that the temperature in both rooms can be adjusted to the set temperature, so that the user can have a better temperature experience when moving back and forth between the two rooms.
  • the two adjacent rooms can be two adjacent offices in an office scene, or two adjacent rooms in a home scene.
  • users not only have needs for indoor temperature, but also have certain needs for the freshness of indoor air.
  • Outdoor air can be supplied into a room through a fresh air device to provide fresh air for the room to improve the freshness of the air in the room.
  • an indoor temperature sensor can be used to detect the indoor temperature
  • an outdoor temperature sensor can be used to detect the outdoor temperature
  • the temperature difference between the indoor temperature and the outdoor temperature can be calculated.
  • the speed of the air intake fan can be controlled according to the temperature difference. For example, when the temperature difference is greater than or equal to a first threshold, the air intake fan is controlled to run at full speed; when the temperature difference is less than the first threshold and greater than or equal to a second threshold, the air intake fan is controlled to run at medium speed; when the temperature difference is less than the second threshold and greater than zero, the air intake fan is controlled to run at low speed; when the temperature difference is equal to zero, the air intake fan is turned off. In this way, the energy consumption of the air conditioner can be reduced in the process of adjusting the indoor temperature using the air conditioner.
  • the embodiments of the present application provide a control method, device and smart home system for a linked fresh air device, so that the temperature of the two rooms can be stabilized at the set temperature more quickly while adjusting the temperature and air freshness of the two rooms at the same time.
  • a first fresh air device is provided in the first room
  • a second fresh air device is provided in the second room
  • a control method for linking the fresh air devices includes: obtaining a current first indoor temperature of the first room, a current second indoor temperature of the second room, set temperatures of the first room and the second room, and a current outdoor temperature of an outdoor environment, wherein the set temperature is a set temperature of a temperature regulating device of the first room and the second room;
  • the current outdoor temperature When the current first indoor temperature is lower than the current outdoor temperature, the current outdoor temperature is lower than the set temperature, and the set temperature is lower than the current second indoor temperature, or when the current first indoor temperature is higher than the current outdoor temperature, the current outdoor temperature is higher than the set temperature, and the set temperature is higher than the current second indoor temperature, a current first temperature difference between the current first indoor temperature and the set temperature, and a current second temperature difference between the second indoor temperature and the set temperature are obtained;
  • the current first fresh air rate is determined according to the current first temperature difference, and the current first fresh air rate is positively correlated with the current first temperature difference;
  • the current second temperature difference is greater than or equal to the second temperature threshold, the current second fresh air rate is determined according to the current second temperature difference, and the current second fresh air rate is positively correlated with the current second temperature difference;
  • the first preset fresh air rate is used as the current first fresh air rate
  • the second preset fresh air rate is used as the current second fresh air rate
  • the first fresh air device is controlled according to the current first fresh air rate
  • the second fresh air device is controlled according to the current second fresh air rate
  • determining the current first fresh air rate based on the current first temperature difference includes: obtaining the current third temperature difference between the current first indoor temperature and the current outdoor temperature; determining a current first additional fresh air rate that is positively correlated with the product of the current first temperature difference and the current third temperature difference; determining the current first fresh air rate based on the sum of the current first additional fresh air rate and the third preset fresh air rate.
  • determining the current second fresh air rate based on the current second temperature difference includes: obtaining the current fourth temperature difference between the current second indoor temperature and the current outdoor temperature; determining a current second additional fresh air rate that is positively correlated with the product of the current second temperature difference and the current fourth temperature difference; determining the current second fresh air rate based on the sum of the current second additional fresh air rate and the fourth preset fresh air rate.
  • determining a current first additional fresh air rate that is positively correlated with the product of the current first temperature difference and the current third temperature difference includes: determining a first inside-outside ventilation rate based on the product of the current first temperature difference and the current third temperature difference; obtaining the current second air quality of the second room, the smaller the value of the current second air quality is, the higher the air quality in the second room is; determining a first flow coefficient that is negatively correlated with the current second air quality based on the negative correlation between air quality and the gas flow rate in the room; determining the current first indoor ventilation rate based on the product of the current first temperature difference and the first flow coefficient; determining the current first additional fresh air rate based on the sum of the first inside-outside ventilation rate and the first indoor ventilation rate.
  • determining a current second additional fresh air rate that is positively correlated with the product of the current second temperature difference and the current fourth temperature difference includes: determining a second internal and external ventilation rate based on the product of the second temperature difference and the current fourth temperature; obtaining the current first air quality of the first room, the smaller the value of the current first air quality is, the higher the air quality in the first room is; determining a second flow coefficient that is negatively correlated with the current first air quality based on the negative correlation between air quality and the amount of gas flow in the room; determining the current second indoor ventilation rate based on the product of the current second temperature difference and the second flow coefficient; determining the current second additional fresh air rate based on the sum of the second internal and external ventilation rate and the second indoor ventilation rate.
  • the current first indoor ventilation rate is determined based on the product of the current first temperature difference and the first flow coefficient, including: determining a set first pressure difference between the indoor pressure and the outdoor pressure of the first room based on the product of the current first temperature difference and the first flow coefficient; and determining the current first indoor ventilation rate corresponding to the set first pressure difference based on the positive correlation between the pressure difference and the indoor ventilation rate.
  • the current second indoor ventilation rate is determined based on the product of the current second temperature difference and the second flow coefficient, including: determining a set second pressure difference between the indoor pressure and the outdoor pressure of the second room based on the product of the current second temperature difference and the second flow coefficient; and determining the current second indoor ventilation rate corresponding to the set second pressure difference based on the positive correlation between the pressure difference and the indoor ventilation rate.
  • control method of the linked fresh air device also includes: when the current first indoor temperature is greater than or equal to the current outdoor temperature, and the current first indoor temperature is lower than the set temperature, or when the current first indoor temperature is lower than or equal to the current outdoor temperature, and the current first indoor temperature is greater than the set temperature, using the first preset fresh air rate as the current first fresh air rate.
  • the first fresh air device is a first fresh air air conditioner
  • the second fresh air device is a second fresh air air conditioner
  • the control method of the linked fresh air device also includes: obtaining a current fifth temperature difference between the current first indoor temperature and the current second indoor temperature; determining a first temperature compensation coefficient corresponding to the current fifth temperature difference according to a correspondence between the temperature difference and a compensation parameter; obtaining a current pressure difference between the current first pressure and the current second pressure; determining a second temperature compensation coefficient corresponding to the current pressure difference according to a correspondence between the pressure difference and the compensation parameter; inputting the current first temperature difference into a first temperature control model to obtain a first temperature control parameter corresponding to the current first temperature difference output by the first temperature control model, the first temperature control model corresponding to the first fresh air air conditioner; adjusting the first temperature control parameter using the first temperature compensation parameter and the second temperature compensation parameter, and Control the first fresh air air conditioner according to the adjusted first temperature control parameter; input the current second temperature difference into the second temperature control model, obtain the second temperature control parameter corresponding
  • the first temperature control parameter is adjusted using the first temperature compensation parameter and the second temperature compensation parameter, including: when the first fresh air air conditioner is in cooling mode, the cooling power of the first fresh air air conditioner for the first room when operating according to the first temperature control parameter compensated by the first temperature compensation parameter is weaker than the cooling power of the first fresh air air conditioner for the first room when operating according to the first temperature control parameter; the cooling power of the first fresh air air conditioner for the first room when operating according to the first temperature control parameter compensated by the second temperature compensation parameter is weaker than the cooling power of the first fresh air air conditioner for the first room when operating according to the first temperature control parameter.
  • the first temperature control parameter is adjusted using the first temperature compensation parameter and the second temperature compensation parameter, including: when the first fresh air air conditioner is in heating mode, the heating power of the first fresh air air conditioner to the first room when operating according to the first temperature control parameter compensated by the first temperature compensation parameter is weaker than the heating power of the first fresh air air conditioner to the first room when operating according to the first temperature control parameter; the heating power of the first fresh air air conditioner to the first room when operating according to the first temperature control parameter compensated by the second temperature compensation parameter is weaker than the heating power of the first fresh air air conditioner to the first room when operating according to the first temperature control parameter.
  • the second temperature control parameter is adjusted using the first temperature compensation parameter and the second temperature compensation parameter, including: when the second fresh air air conditioner is in cooling mode, the cooling power of the second fresh air air conditioner for the second room when operating according to the second temperature control parameter compensated by the first temperature compensation parameter is weaker than the cooling power of the second fresh air air conditioner for the second room when operating according to the second temperature control parameter; the cooling power of the second fresh air air conditioner for the second room when operating according to the second temperature control parameter compensated by the second temperature compensation parameter is weaker than the cooling power of the second fresh air air conditioner for the second room when operating according to the second temperature control parameter.
  • the second temperature control parameter is adjusted using the first temperature compensation parameter and the second temperature compensation parameter, including: when the second fresh air air conditioner is in heating mode, the heating power of the second fresh air air conditioner to the second room when operating according to the second temperature control parameter compensated by the first temperature compensation parameter is weaker than the heating power of the second room when the second fresh air air conditioner operates according to the second temperature control parameter; the heating power of the second fresh air air conditioner to the second room when operating according to the second temperature control parameter compensated by the second temperature compensation parameter is weaker than the heating power of the second fresh air air conditioner to the second room when operating according to the second temperature control parameter.
  • a first fresh air device is provided in the first room
  • a second fresh air device is provided in the second room
  • a control device for linking the fresh air devices includes a first obtaining module, a second obtaining module, a first determining module, a second determining module, and a control module;
  • the first obtaining module is used to obtain the current first indoor temperature of the first room, the current second indoor temperature of the second room, the set temperatures of the first room and the second room, and the current outdoor temperature of the outdoor environment, wherein the set temperatures are the set temperatures of the temperature adjustment devices of the first room and the second room;
  • the second obtaining module is used for obtaining a current first temperature difference between the current first indoor temperature and the set temperature, and a current second temperature difference between the second indoor temperature and the set temperature, when the current first indoor temperature is lower than the current outdoor temperature, the current outdoor temperature is lower than the set temperature, and the set temperature is lower than the current second indoor temperature, or when the current first indoor temperature is higher than the current outdoor temperature, the current outdoor temperature is higher than the set temperature, and the set temperature is higher than the current second indoor temperature;
  • the first determination module is used to determine the current first fresh air rate according to the current first temperature difference if the current first temperature difference is greater than or equal to the first temperature threshold, and the current first fresh air rate is positively correlated with the current first temperature difference; if the current second temperature difference is greater than or equal to the second temperature threshold, determine the current second fresh air rate according to the current second temperature difference, and the current second fresh air rate is positively correlated with the current second temperature difference;
  • the second determination module is used for, if the current first temperature difference is less than the first temperature threshold, and the current second temperature difference is less than the second temperature threshold, using the first preset fresh air rate as the current first fresh air rate and the second preset fresh air rate as the current second fresh air rate, so that the current pressure difference between the current first pressure of the first room and the current second pressure of the second room is less than or equal to the pressure ignoring threshold;
  • the control module is used to control the first fresh air device according to the current first fresh air rate, and to control the second fresh air device according to the current second fresh air rate.
  • control device of the linked fresh air device includes a processor and a memory storing program instructions, and the processor is configured to execute the control method of the linked fresh air device provided in the above embodiments when executing the program instructions.
  • the smart home system includes a control device for the linked fresh air device provided in the aforementioned embodiments.
  • control method, device and smart home system of the linkage fresh air device provided in the embodiments of the present application can achieve the following technical effects:
  • the current outdoor temperature is lower than the set temperature, and the set temperature is lower than the current second indoor temperature, or when the current first indoor temperature is higher than the current outdoor temperature, the current outdoor temperature is higher than the set temperature, and the set temperature is higher than the current second indoor temperature, supplying fresh air to the first room and the second room is beneficial to causing the current first indoor temperature and the current second indoor temperature to change in the direction of approaching the set temperature.
  • the energy consumption of the air conditioner can be reduced; and when the current first indoor temperature and the current second indoor temperature are higher than the current In the process of the indoor temperature changing towards the set temperature, if the current first temperature difference is greater than or equal to the first temperature threshold, the current first fresh air rate is positively correlated with the first temperature difference; if the second temperature difference is greater than or equal to the second temperature threshold, the current second fresh air rate is positively correlated with the second temperature difference.
  • the first fresh air device in the first room is controlled according to the first preset fresh air rate
  • the second fresh air device in the second room is controlled according to the second preset fresh air rate, so that the current pressure difference between the first pressure of the first room and the current second pressure of the second room is less than or equal to the pressure ignoring threshold, so as to reduce the air flow between the two rooms as much as possible, and thus reduce the heat flow between the two rooms, so as to reduce the adverse effect of the heat flow between the two rooms on the temperature stability of each room, so that the current first indoor temperature of the first room and the current second indoor temperature of the second room can be stabilized at the set temperature more quickly.
  • FIG1 is a schematic diagram of an implementation environment of a control method for a linkage fresh air device provided in an embodiment of the present application
  • FIG2 is a schematic flow chart of a control method for a linkage fresh air device provided in an embodiment of the present application
  • FIG3 is a schematic diagram of a process for determining a current first fresh air rate provided by an embodiment of the present application
  • FIG4 is a schematic diagram of a process for determining a current second fresh air rate provided by an embodiment of the present application
  • FIG5 is a schematic diagram of a temperature control process provided by an embodiment of the present application.
  • FIG6 is a schematic diagram of a control device for a linked fresh air device provided in an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a control device for a linked fresh air device provided in an embodiment of the present application.
  • the term “plurality” means more than two.
  • A/B means: A or B.
  • a and/or B means: A or B, or, A and B.
  • FIG1 is a schematic diagram of an implementation environment of a control method for a linked fresh air device provided in an embodiment of the present application.
  • Room R1 and room R2 can be two rooms in a home scene or two rooms in an office scene; there is air flow between room R1 and room R2, for example, room R1 is not equipped with a door, or room R1 is equipped with a door but the door is open, and room R1 is connected to corridor C; room R2 is not equipped with a door, or room R2 is equipped with a door but the door is open, and room R2 is connected to corridor C. In this state, there is air flow between room R1 and room R2.
  • the first fresh air device F1 is arranged in the first room R1, and the second fresh air device F2 is arranged in the second room R1.
  • One end of the first fresh air device F1 is connected to the first room R1, and the other end is connected to the outside, and is used to provide outdoor air to the first room R1;
  • one end of the second fresh air device F2 is connected to the second room R2, and the other end is connected to the outside, and is used to provide outdoor air to the second room R2.
  • the first room R1 is also provided with a first temperature sensor T1, a first pressure sensor P1 and a first air quality sensor PM1.
  • the first temperature sensor T1 is used to detect the first indoor temperature in the first room R1
  • the first pressure sensor P1 is used to detect the first pressure in the first room R1
  • the first air quality sensor PM1 is used to detect the first air quality in the first room R1
  • the second room R2 is also provided with a second temperature sensor T2, a second pressure sensor P2 and a second air quality sensor PM2.
  • the second temperature sensor T2 is used to detect the second indoor temperature in the second room R2, the second pressure sensor P2 is used to detect the second pressure in the second room R2, and the second air quality sensor PM2 is used to detect the second air quality in the second room R2.
  • a third temperature sensor T3 is also provided outdoors to detect the outdoor temperature.
  • the control method of the linkage fresh air device provided in the embodiment of the present application.
  • the two rooms have a certain temperature difference, and the outdoor environment and the set temperature are between the temperature difference.
  • one room is the kitchen and the other is the living room.
  • the temperature of the living room is set to a relatively low level before, but because an elderly person or a baby is visiting, the temperature of the living room needs to be raised; the kitchen has been cooked and the temperature of the kitchen is high, so the temperature of the kitchen needs to be lowered;
  • one room is a bathroom and the other is a living room.
  • the temperature of the living room is set relatively low.
  • the temperature of the bathroom needs to be lowered and the temperature of the living room needs to be increased.
  • the fresh air function of the fresh air device is controlled in combination with the indoor temperature adjustment process, such as the process of adjusting the current indoor temperature to the set temperature.
  • the indoor temperature is adjusted by using outdoor air at a certain temperature to achieve energy saving.
  • the heat flow between the two rooms is adjusted based on the relationship between the indoor temperature and the set temperature, so that the temperatures of the two rooms can be stabilized at the set temperature relatively quickly.
  • the fresh air device in the embodiment of the present application may be an independent fresh air fan, or may be a fresh air device integrated with an air conditioner (such as a fresh air air conditioner).
  • an air conditioner such as a fresh air air conditioner
  • FIG2 is a flow chart of a control method for a linkage fresh air device provided by an embodiment of the present application, which can be executed by a server of a smart home system, or by a controller of the fresh air device, or by a controller of a fresh air air conditioner. During the execution of the control method, the temperature of the first room and the second room can be adjusted.
  • control method of the linkage fresh air device includes:
  • the current first indoor temperature can be obtained through the first temperature sensor in the first room.
  • the first temperature sensor can be independently set and can be set in the first fresh air device. In the case where the first fresh air device and the air conditioner are independent devices, the first temperature sensor can also be arranged on the air conditioner.
  • the current second indoor temperature can be obtained through a second temperature sensor in the second room.
  • the second temperature sensor can be set independently and can be set on the second fresh air device. When the second fresh air device and the air conditioner are independent devices, the second temperature sensor can also be set on the air conditioner.
  • the current outdoor temperature of the outdoor environment may be obtained through a third temperature sensor disposed outdoors.
  • the set temperature can be set by the user, or the existing healthy temperature recommendation algorithm can be used to recommend the set temperature.
  • the first room and the second room use the same set temperature, so that when the user moves between the first room and the second room, the user's sense of hot and cold temperature difference can be reduced, thereby improving the user's temperature comfort experience.
  • the temperature regulating device may be heating equipment such as air conditioner, electric heater, electric hot air, etc.
  • the temperature regulating device may be an air conditioner.
  • the air conditioner in the embodiment of the present application may be a multi-split air conditioner, a split air conditioner or a central air conditioner.
  • a multi-split air conditioner refers to one outdoor unit corresponding to multiple indoor units
  • a split air conditioner refers to one outdoor unit corresponding to one indoor unit.
  • the current first fresh air rate is determined according to the current first temperature difference, and the current first fresh air rate is positively correlated with the current first temperature difference; if the current second temperature difference is greater than or equal to the second temperature threshold, the current second fresh air rate is determined according to the current second temperature difference, and the current second fresh air rate is positively correlated with the current second temperature difference.
  • the specific implementation of this step includes:
  • the current first temperature difference is greater than or equal to the first temperature threshold, and the current second temperature difference is greater than or equal to the second temperature threshold, the current first fresh air rate is determined according to the current first temperature difference, and the current second fresh air rate is determined according to the current second temperature difference;
  • the current first temperature difference is greater than or equal to the first temperature threshold, and the current second temperature difference is less than the second temperature threshold, the current first fresh air rate is determined according to the current first temperature difference, and the current second fresh air rate is determined according to the current second temperature difference;
  • the current first temperature difference is less than the first temperature threshold, and the current second temperature difference is greater than or equal to the second temperature threshold, the current first fresh air rate is determined according to the current first temperature difference, and the current second fresh air rate is determined according to the current second temperature difference.
  • the fresh air rate (the current first fresh air rate or the current second fresh air rate) can be represented by the fan speed of the fresh air fan, and the fan speed can be measured by a fan current or speed sensor.
  • the positive correlation between the current first fresh air rate and the current first temperature difference, and the positive correlation between the current second fresh air rate and the current second temperature difference can be obtained by a person skilled in the art through experiments.
  • the indoor temperature of the first room is raised from the first temperature to the set temperature multiple times, and the indoor temperature of the second room is lowered from the second temperature to the set temperature multiple times.
  • the positive correlation between the current first fresh air rate and the current first temperature difference, and the positive correlation between the current second fresh air rate and the current second temperature difference are adjusted respectively to maintain the set parameters of the air conditioner in the first room and the air conditioner in the second room unchanged.
  • the time required for the indoor temperature of the first room and the indoor temperature of the second room to stabilize to the set temperature in each experiment is counted, and the corresponding relationship between the current first fresh air rate and the current first temperature difference in the adjustment process corresponding to the shortest time, as well as the positive correlation between the current second fresh air rate and the current second temperature difference are recorded.
  • the first preset fresh air rate is used as the current first fresh air rate
  • the second preset fresh air rate is used as the current second fresh air rate
  • the current second temperature difference is less than the second temperature threshold
  • the current second fresh air rate will not be too large, and will not introduce too much cold or heat from the outside into the second room, which has little impact on the stability of the current second indoor temperature reaching the set temperature
  • the current first temperature difference is less than the first temperature threshold, and the current second temperature difference is greater than or equal to the second temperature threshold, even if the current first The temperature difference is less than the second temperature threshold. Since the current first fresh air rate is positively correlated with the current first temperature threshold, the current first fresh air rate will not be too large, and will not introduce too much heat or cold from the outside into the first room; the current first indoor temperature has little impact on the stability of reaching the set temperature.
  • the above-mentioned process of making the current pressure difference between the current first pressure of the first room and the current second pressure of the second room less than or equal to the pressure ignoring threshold is used to describe the size relationship between the first preset fresh air rate and the second preset fresh air rate.
  • the larger the volume difference between the first room and the second room the larger the rate difference between the first preset fresh air rate and the second preset fresh air rate needs to be maintained in order to make the current pressure difference between the current first pressure and the current second pressure less than or equal to the pressure ignoring threshold; if the volume difference between the first room and the second room is smaller, the smaller the rate difference between the first preset fresh air rate and the second preset fresh air rate needs to be maintained in order to make the current pressure difference between the current first pressure and the current second pressure less than or equal to the pressure ignoring threshold.
  • the heat flow between the first room and the second room can be ignored by the temperature control model of the air conditioner in the first room and the temperature control model of the air conditioner in the second room.
  • This is related to the control accuracy of the temperature control model of the air conditioner. The higher the control accuracy of the temperature control model of the air conditioner, the less heat flow can be ignored; the lower the control accuracy of the temperature control model of the air conditioner, the more heat flow can be ignored.
  • a first fresh air device is provided in the first room, and the first fresh air device is used to draw outdoor air into the first room.
  • a second fresh air device is provided in the second room, and the second fresh air device is used to draw outdoor air into the second room. There is air flow between the first room and the second room.
  • the current outdoor temperature is lower than the set temperature, and the set temperature is lower than the current second indoor temperature, or when the current first indoor temperature is higher than the current outdoor temperature, the current outdoor temperature is higher than the set temperature, and the set temperature is higher than the current second indoor temperature, supplying fresh air to the first room and the second room is beneficial to causing the current first indoor temperature and the current second indoor temperature to change in the direction of approaching the set temperature.
  • the energy consumption of the air conditioner can be reduced; and when the current first indoor temperature and the current second indoor temperature are higher than the current In the process of the indoor temperature changing towards the set temperature, if the current first temperature difference is greater than or equal to the first temperature threshold, the current first fresh air rate is positively correlated with the first temperature difference; if the second temperature difference is greater than or equal to the second temperature threshold, the current second fresh air rate is positively correlated with the second temperature difference.
  • the first fresh air device in the first room is controlled according to the first preset fresh air rate
  • the second fresh air device in the second room is controlled according to the second preset fresh air rate, so that the current pressure difference between the first pressure of the first room and the current second pressure of the second room is less than or equal to the pressure ignoring threshold, so as to reduce the air flow between the two rooms as much as possible, and thus reduce the heat flow between the two rooms, so as to reduce the adverse effect of the heat flow between the two rooms on the temperature stability of each room, so that the current first indoor temperature of the first room and the current second indoor temperature of the second room can be stabilized at the set temperature more quickly.
  • the embodiments of the present application involve two situations: the current first indoor temperature is lower than the current outdoor temperature, the current outdoor temperature is lower than the set temperature, and the set temperature is lower than the current second indoor temperature; and the current first indoor temperature is higher than the current outdoor temperature, the current outdoor temperature is higher than the set temperature, and the set temperature is higher than the current second indoor temperature.
  • the first fresh air device When the first fresh air device is controlled according to the current first fresh air rate, on the one hand, outdoor air can be sucked into the first room to adjust the freshness of the air in the first room.
  • the larger the current first fresh air rate is the more beneficial it is to improve the freshness of the air in the first room; and, if the current first indoor temperature of the first room is lower than the current outdoor temperature, the outdoor air is also beneficial to improving the current first indoor temperature.
  • the larger the current first fresh air rate is, the more beneficial it is to improve the current first indoor temperature in the first room.
  • the first fresh air device can be controlled according to the first fresh air rate to adjust the freshness of the air in the first room.
  • the current first pressure is used to change the current pressure difference between the current first pressure and the current second pressure of the second room, change the air flow rate between the first room and the second room, and then adjust the heat flow between the first room and the second room.
  • the current second fresh air rate is used to control the second fresh air rate.
  • outdoor air can be sucked into the second room to adjust the freshness of the air in the second room.
  • the second fresh air device can be controlled according to the second fresh air rate to adjust the current second pressure of the second room to change the current pressure difference between the current second pressure and the current first pressure of the first room, change the air flow rate between the first room and the second room, and then adjust the heat flow between the first room and the second room.
  • the heat flow between the first room and the second room is adjusted as follows:
  • the current first fresh air rate is positively correlated with the current first temperature difference, so as to introduce more outdoor air into the first room, that is, to introduce more heat from the outside into the first room, which is conducive to raising the current first indoor temperature more quickly, and in the process of the air conditioner in the first room adjusting the current first indoor temperature to the set temperature, less electricity can be consumed.
  • the current second fresh air rate is positively correlated with the current second temperature difference, so as to introduce more outdoor air into the second room, that is, to introduce more cold air from the outside into the second room.
  • This is conducive to lowering the current second indoor temperature more quickly, and in the process of the air conditioner in the second room adjusting the current second indoor temperature to the set temperature, less electric energy can be consumed.
  • the current first pressure of the first room and the current second pressure of the second room are difficult to be completely equal, that is, in this control process, there is often a certain amount of heat flow between the first room and the second room.
  • the air in the first room will flow to the second room, carrying the coldness of the first room to the second room. Since the current first indoor temperature is lower than the current outdoor temperature, the coldness carried by a certain mass of air flowing from the first room into the second room is greater than the coldness carried by the certain mass of air sucked into the second room from the outside. Therefore, the present technical solution is conducive to lowering the current second indoor temperature of the second room as quickly as possible, and reducing the electric energy required by the air conditioner to adjust the current second indoor temperature of the second room to the set temperature.
  • the present technical solution is conducive to raising the current first indoor temperature of the first room as quickly as possible, and reducing the electric energy required by the air conditioner to adjust the current first temperature of the first room to the set temperature.
  • the air in the second room will flow to the first room and carry the heat of the second room to the first room. Since the current second indoor temperature is higher than the current outdoor temperature, the heat carried by a certain mass of air flowing from the second room into the first room is greater than the heat carried by the certain mass of air sucked into the first room from the outside. Therefore, the present technical solution is conducive to increasing the current first indoor temperature of the first room as quickly as possible and reducing the electric energy required by the air conditioner to adjust the current first indoor temperature of the first room to the set temperature.
  • the present technical solution is conducive to lowering the current second indoor temperature of the second room as quickly as possible and reducing the electric energy required by the air conditioner to adjust the current second indoor temperature of the second room to the set temperature.
  • the heat flow between the two rooms has a promoting effect on the goal of eliminating the current first temperature difference and the current second temperature difference relatively quickly.
  • the first fresh air device When the first fresh air device is controlled according to the current first fresh air rate, on the one hand, outdoor air can be sucked into the first room to adjust the freshness of the air in the first room. For example, the larger the current first fresh air rate is, the more beneficial it is to improve the freshness of the air in the first room. Moreover, if the current first indoor temperature of the first room is greater than the current outdoor temperature, the outdoor air can also help to lower the current first indoor temperature. For example, the larger the current first fresh air rate is, the more beneficial it is to lower the current first indoor temperature in the first room.
  • the first fresh air device can be controlled according to the first fresh air rate to adjust the freshness of the air in the first room.
  • the current first pressure is used to change the current pressure difference between the current first pressure and the current second pressure of the second room, change the air flow rate between the first room and the second room, and then adjust the heat flow between the first room and the second room.
  • the current second fresh air rate is used to control the second fresh air rate.
  • outdoor air can be sucked into the second room to adjust the freshness of the air in the second room.
  • the second fresh air device can be controlled according to the second fresh air rate to adjust the current second pressure of the second room to change the current pressure difference between the current second pressure and the current first pressure of the first room, change the air flow rate between the first room and the second room, and then adjust the heat flow between the first room and the second room.
  • the heat flow between the first room and the second room is adjusted as follows:
  • the current first fresh air rate is positively correlated with the current first temperature difference, so as to introduce more outdoor air into the first room, that is, to introduce more cold air from the outside into the first room, which is conducive to lowering the current first indoor temperature more quickly, and in the process of the air conditioner in the first room adjusting the current first indoor temperature to the set temperature, less electric energy can be consumed.
  • the current second fresh air rate is positively correlated with the current second temperature difference, so as to introduce more outdoor air into the second room, that is, introduce more heat from the outside into the second room, which is conducive to raising the current second indoor temperature more quickly, and in the process of the air conditioner in the second room adjusting the current second indoor temperature to the set temperature, less electric energy can be consumed.
  • the current first pressure of the first room and the current second pressure of the second room are difficult to be completely equal, that is, in this control process, there is often a certain amount of heat flow between the first room and the second room.
  • the air in the first room will flow to the second room and carry the heat of the first room to the second room. Since the current first indoor temperature is higher than the current outdoor temperature, the heat carried by a certain mass of air flowing from the first room into the second room is greater than the heat carried by the certain mass of air sucked into the second room from the outside. Therefore, the present technical solution is conducive to increasing the current second indoor temperature of the second room as quickly as possible and reducing the electric energy required by the air conditioner to adjust the current second indoor temperature of the second room to the set temperature.
  • the present technical solution is conducive to lowering the current first indoor temperature of the first room as quickly as possible and reducing the electric energy required by the air conditioner to adjust the current first temperature of the first room to the set temperature.
  • the air in the second room will flow to the first room and carry the heat of the second room to the first room. Since the current second indoor temperature is lower than the current outdoor temperature, the coldness carried by a certain mass of air flowing from the second room into the first room is greater than the coldness carried by the certain mass of air sucked into the first room from the outside. Therefore, this technical solution is conducive to lowering the current first indoor temperature of the first room as quickly as possible and reducing the electric energy required by the air conditioner to adjust the current first indoor temperature of the first room to the set temperature.
  • this technical solution is conducive to raising the current second indoor temperature of the second room as quickly as possible and reducing the electric energy required by the air conditioner to adjust the current second indoor temperature of the second room to the set temperature.
  • the heat flow between the two rooms has a promoting effect on the goal of eliminating the current first temperature difference and the current second temperature difference relatively quickly.
  • the current first temperature difference is constantly decreasing, and the current second temperature difference is constantly decreasing.
  • the determination strategy of the current first fresh air rate and the current second fresh air rate is changed.
  • the overall goal of determining the current first fresh air rate and the current second fresh air rate is to make the current pressure difference between the current first pressure of the first room and the current second pressure of the second room less than or equal to the pressure neglect threshold, thereby reducing the air flow rate between the first room and the second room to within the expected range, that is, reducing the heat flow rate between the first room and the second room to within the expected range.
  • the specific scheme is: use the first preset fresh air rate as the current first fresh air rate, and use the second preset fresh air rate as the current second fresh air rate.
  • the mutual influence between the heating process of the first room and the cooling process of the second room is reduced, the external interference of the heating model of the first room is reduced, and the external interference of the cooling model of the second room is reduced, which is beneficial for the air conditioner in the first room to stabilize the current first indoor temperature at the set temperature relatively quickly, and is beneficial for the air conditioner in the second room to stabilize the current second indoor temperature at the set temperature relatively quickly.
  • control method of the linked fresh air device also includes: when the current first indoor temperature is greater than or equal to the current outdoor temperature, and the current first indoor temperature is lower than the set temperature, or when the current first indoor temperature is lower than or equal to the current outdoor temperature, and the current first indoor temperature is greater than the set temperature, using the first preset fresh air rate as the current first fresh air rate.
  • the relationship between the current first indoor temperature and the current outdoor temperature is judged: if the current first indoor temperature is within the range defined by the current outdoor temperature and the set temperature, the first preset fresh air rate is used as the current first fresh air rate; if the current first indoor temperature is outside the range defined by the current outdoor temperature and the set temperature, the current first fresh air rate is determined according to the current first temperature difference.
  • the relationship between the current first indoor temperature and the current outdoor temperature is judged: if the current first indoor temperature is outside the range defined by the current outdoor temperature and the set temperature, the current first fresh air rate is determined according to the first temperature difference; if the current first indoor temperature is within the range defined by the current outdoor and set temperatures, the first preset fresh air rate is determined as the current first fresh air rate.
  • FIG3 is a schematic diagram of a process for determining a current first fresh air rate provided in an embodiment of the present application.
  • determining the current first fresh air rate according to the current first temperature difference includes:
  • S302 Determine a current first additional fresh air rate that is positively correlated with the product of the current first temperature difference and the current third temperature difference.
  • the product of the current first temperature difference and the current third temperature difference may be in a positively correlated linear relationship with the current first additional fresh air rate.
  • the positive correlation coefficient may be obtained by experimentation, so that the sum of the current first additional fresh air rate and the third preset fresh air rate is less than or equal to the maximum fresh air rate of the first fresh air device, and greater than or equal to the first preset fresh air rate.
  • determining a current first additional fresh air rate that is positively correlated with the product of a current first temperature difference and a current third temperature difference may include: determining a first inside-outside ventilation rate based on the product of a current first temperature difference and a current third temperature difference; obtaining a current second air quality of the second room, wherein a smaller value of the current second air quality indicates a higher air quality in the second room; determining a first flow coefficient that is negatively correlated with the current second air quality based on a negative correlation between air quality and the amount of gas flow in the room; determining a current first indoor ventilation rate based on the product of the current first temperature difference and the first flow coefficient; and determining the current first additional fresh air rate based on the sum of the first inside-outside ventilation rate and the first indoor ventilation rate.
  • the first internal and external ventilation rate refers to the ventilation rate between the first room and the outside.
  • the product of the current first temperature difference and the current third temperature difference may be positively correlated with the first internal and external ventilation rate.
  • the product of the current first temperature difference and the current third temperature difference is positively proportional to the first internal and external ventilation rate, and the proportionality coefficient may be obtained by experiment. During the experiment, the pressure in the first room and the outdoor pressure need to meet conventional requirements.
  • the level of air quality reflects the degree of air pollution.
  • the expression of air quality includes but is not limited to the concentration of volatile organic compounds, the concentration of inhalable particles and the concentration of carbon dioxide.
  • the flow coefficient can be minimized to zero.
  • the negative correlation between the air quality and the amount of gas flow in the room can be obtained through experiments.
  • the above-mentioned current first indoor ventilation rate refers to the ventilation rate between the first room and the second room.
  • the product of the current first temperature difference and the first flow coefficient may be positively correlated with the current first indoor ventilation rate.
  • the product of the current first temperature difference and the first flow coefficient is in a positive proportional relationship with the first indoor ventilation rate.
  • the proportional coefficient can be obtained by experiment. During the experiment, it is necessary to make the pressure in the first room and the outdoor pressure meet the conventional requirements.
  • determining the current first indoor ventilation rate according to the product of the current first temperature difference and the first flow coefficient may include: determining a set first pressure difference between the indoor pressure and the outdoor pressure of the first room according to the product of the current first temperature difference and the first flow coefficient; determining the set first pressure difference between the indoor pressure and the outdoor pressure of the first room according to the pressure difference and the indoor ventilation rate; A positive correlation is established to determine the current first indoor ventilation rate corresponding to the set first pressure difference.
  • the product of the current first temperature difference and the first flow coefficient has a positive correlation with the set first pressure difference.
  • the product of the current first temperature difference and the first flow coefficient has a positive proportional relationship with the set first pressure difference.
  • the proportional coefficient can be obtained by experiment. During the experiment, the pressure in the first room and the outdoor pressure need to meet conventional requirements.
  • the sum of the first inside-outside ventilation rate and the first indoor ventilation rate can be used as the current first additional fresh air rate, or, according to actual conditions, the sum of the first inside-outside ventilation rate and the first indoor ventilation rate can be fine-tuned, and the fine-tuned ventilation rate can be used as the current first additional fresh air rate.
  • the fine-tuning method can be to increase or decrease.
  • the third preset fresh air rate is less than or equal to the first preset fresh air rate.
  • the larger the current first temperature difference is, the larger the current first fresh air rate is, which is conducive to eliminating the current first temperature difference as soon as possible, and then conducive to stabilizing the current first indoor temperature at the set temperature as soon as possible, and is conducive to reducing air conditioning energy consumption;
  • the larger the third temperature difference between the current outdoor temperature and the current first indoor temperature is, the larger the current first fresh air rate is, which is also conducive to allowing the gas in the first room to flow into the second room, the first room can be heated up relatively quickly while the second room can be cooled down relatively quickly, or, the first room can be cooled down relatively quickly while the second room can be heated up relatively quickly, so that the current first indoor temperature of the first room and the current second indoor temperature of the second room can both reach the set temperature relatively quickly.
  • FIG. 4 is a schematic diagram of a process for determining a current second fresh air rate provided in an embodiment of the present application.
  • determining the current second fresh air rate according to the current second temperature difference includes:
  • S402 Determine a current second additional fresh air rate that is positively correlated with the product of the current second temperature difference and the current fourth temperature difference.
  • the product of the current second temperature difference and the current third temperature difference may be in a positively correlated linear relationship with the current second additional fresh air rate.
  • the positive correlation coefficient may be determined experimentally so that the sum of the current second additional fresh air rate and the fourth preset fresh air rate is less than or equal to the maximum fresh air rate of the second fresh air device, and greater than or equal to the first preset fresh air rate.
  • determining a current second additional fresh air rate that is positively correlated with the product of a current second temperature difference and a current fourth temperature difference includes: determining a second internal and external ventilation rate based on the product of the second temperature difference and the current fourth temperature; obtaining the current first air quality of the first room, the smaller the value of the current first air quality is, the higher the air quality in the first room is; determining a second flow coefficient that is negatively correlated with the current first air quality based on the negative correlation between the air quality and the amount of gas flow in the room; determining the current second indoor ventilation rate based on the product of the current second temperature difference and the second flow coefficient; determining the current second additional fresh air rate based on the sum of the second internal and external ventilation rate and the second indoor ventilation rate.
  • the second internal and external ventilation rate refers to the ventilation rate between the second room and the indoor and outdoor.
  • the product of the current second temperature difference and the fourth temperature difference may be positively correlated with the second internal and external ventilation rate.
  • the product of the current second temperature difference and the current fourth temperature difference may be positively proportional to the first internal and external ventilation rate, and the proportionality coefficient may be obtained by experiment. During the experiment, the pressure in the second room and the outdoor pressure need to meet conventional requirements.
  • the flow coefficient can be minimized to zero.
  • the negative correlation between the air quality and the amount of gas flow in the room can be obtained through experiments.
  • the second indoor ventilation rate refers to the ventilation rate between the first room and the second room.
  • the product of the current second temperature difference and the second flow coefficient is positively correlated with the current second indoor ventilation rate.
  • the product of the current first temperature difference and the first flow coefficient is positively proportional to the first indoor ventilation rate.
  • the proportional coefficient can be obtained by experiment. During the experiment, the pressure in the second room and the outdoor pressure need to meet the conventional requirements.
  • determining the current second indoor ventilation rate according to the product of the current second temperature difference and the second flow coefficient may include: determining a set second pressure difference between the indoor pressure and the outdoor pressure of the second room according to the product of the current second temperature difference and the second flow coefficient; determining the set second pressure difference between the indoor pressure and the outdoor pressure of the second room according to the product of the pressure difference and the indoor ventilation rate; A positive correlation is established to determine the current second indoor ventilation rate corresponding to the set second pressure difference.
  • the product of the current second temperature difference and the second flow coefficient has a positive correlation with the set second pressure difference.
  • the product of the current second temperature difference and the second flow coefficient has a positive proportional relationship with the set second pressure difference.
  • the proportional coefficient can be obtained by experiment. During the experiment, the pressure in the second room and the outdoor pressure need to meet conventional requirements.
  • the sum of the second indoor and outdoor ventilation rate and the second indoor ventilation rate can be used as the current second additional fresh air rate, or, according to actual conditions, the sum of the second indoor and outdoor ventilation rate and the second indoor ventilation rate can be fine-tuned, and the fine-adjusted ventilation rate can be used as the current second additional fresh air rate, and the fine-tuning method can be to increase or decrease.
  • S403 Determine the current second fresh air rate according to the sum of the current second additional fresh air rate and the fourth preset fresh air rate.
  • the current fourth preset fresh air rate is less than or equal to the second preset fresh air rate.
  • the larger the current second temperature difference is, the larger the current second fresh air rate is, which is conducive to eliminating the current second temperature difference as soon as possible, and then conducive to stabilizing the current second indoor temperature at the set temperature as soon as possible, and is conducive to reducing air conditioning energy consumption;
  • the larger the fourth temperature difference between the current outdoor temperature and the current second indoor temperature is, the larger the current second fresh air rate is, which is also conducive to allowing the gas in the second room to flow into the first room, and the second room can be cooled down relatively quickly while the first room can be heated up relatively quickly, or, the second room can be heated up relatively quickly while the first room can be cooled down relatively quickly, so that the current second indoor temperature of the second room and the current first indoor temperature of the first room can both reach the set temperature relatively quickly.
  • the above technical solution is conducive to making the current first pressure of the first room greater than the current second pressure of the second room, and the gas in the first room easily flows to the second room, thereby causing the cold or heat in the first room to easily flow to the second room, so as to adjust the current second indoor temperature of the second room.
  • the electric energy consumed by the air conditioner to eliminate the current second temperature difference can be reduced;
  • the above technical solution is conducive to making the current first pressure of the second room greater than the current second pressure of the second room, and the gas in the second room easily flows to the first room, thereby causing the heat or cold in the second room to flow to the first room, so as to adjust the current first indoor temperature of the first room.
  • the electric energy consumed by the air conditioner to eliminate the current first temperature difference can be reduced.
  • the above embodiment illustrates the control method of the fresh air function of the fresh air device. While the fresh air function is controlled to adjust the freshness of the indoor air, the indoor temperature is also adjusted.
  • the fresh air device is an independent fresh air fan, the indoor temperature can be adjusted by the air conditioner; when the fresh air device is integrated with the air conditioner to form a fresh air air conditioner, the indoor temperature adjustment process is directly achieved by the fresh air air conditioner.
  • the following is an exemplary description of the indoor temperature adjustment process in combination with the control process of the fresh air device.
  • the first fresh air device is a first fresh air air conditioner
  • the second fresh air device is a second fresh air air conditioner.
  • FIG. 5 is a schematic diagram of a temperature control process provided in an embodiment of the present application.
  • the temperature control process accompanying the fresh air control process includes:
  • S502 Determine a first temperature compensation coefficient corresponding to the current fifth temperature difference according to the corresponding relationship between the temperature difference and the compensation parameter.
  • the correspondence between the temperature difference and the compensation parameter can be stored in the database in the form of a one-to-one correspondence data table. After obtaining the current fifth temperature difference, the first temperature compensation coefficient corresponding to the current fifth temperature difference can be obtained by querying the database.
  • the correspondence between the temperature difference and the compensation parameter can be expressed in the form of a formula. After obtaining the current fifth temperature difference, the current fifth temperature difference is substituted into the formula to obtain the first temperature compensation coefficient corresponding to the current fifth temperature difference.
  • S503 Obtain a current pressure difference between a current first pressure of the first room and a current second pressure of the second room.
  • S504 Determine a second temperature compensation coefficient corresponding to the current pressure difference according to the corresponding relationship between the pressure difference and the compensation parameter.
  • the correspondence between the pressure difference and the compensation parameter can be stored in the database in the form of a one-to-one correspondence data table. After obtaining the current pressure difference, the second temperature compensation coefficient corresponding to the current pressure difference can be obtained by querying the database.
  • the corresponding relationship between the pressure difference and the compensation parameter can be expressed in the form of a formula. After obtaining the current pressure difference, the current pressure difference is substituted into the formula to obtain the second temperature compensation coefficient corresponding to the current pressure difference.
  • S505 Input the current first temperature difference into the first temperature control model to obtain a first temperature control parameter corresponding to the current first temperature difference output by the first temperature control model, where the first temperature control model corresponds to the first fresh air air conditioner.
  • the first temperature control model is a default temperature control algorithm in the air conditioner. Those skilled in the art may adopt a suitable first temperature control model according to actual conditions.
  • S506 Adjust the first temperature control parameter using the first temperature compensation parameter and the second temperature compensation parameter, and control the first fresh air air conditioner according to the adjusted first temperature control parameter.
  • the second temperature control model is a default temperature control algorithm in the air conditioner. Those skilled in the art can adopt a suitable second temperature control model according to actual conditions.
  • the speed at which the current first indoor temperature of the first room is stabilized at the set temperature can be increased, and the speed at which the current second indoor temperature of the second room is stabilized at the set temperature can be increased.
  • parameters such as the current outdoor temperature, the current first fresh air rate, the current first indoor temperature, the current second fresh air rate and the current second indoor temperature can be reduced, which will have an adverse effect on the current first indoor temperature stably reaching the set temperature, as well as an adverse effect on the current second indoor temperature stably reaching the set temperature, thereby making it easier for the current first indoor temperature to stabilize at the set temperature, and making it easier for the current second indoor temperature to stabilize at the set temperature.
  • the following is an exemplary description of the process of adjusting the first temperature control parameter and the second temperature control parameter.
  • the first temperature control parameter is adjusted using the first temperature compensation parameter and the second temperature compensation parameter, including: when the first fresh air air conditioner is in cooling mode, the cooling power of the first fresh air air conditioner for the first room when it operates according to the first temperature control parameter compensated by the first temperature compensation parameter, is weaker than the cooling power of the first room when the first fresh air air conditioner operates according to the first temperature control parameter; the cooling power of the first fresh air air conditioner for the first room when it operates according to the first temperature control parameter compensated by the second temperature compensation parameter is weaker than the cooling power of the first fresh air air conditioner for the first room when it operates according to the first temperature control parameter.
  • the current first indoor temperature is greater than the current outdoor temperature
  • the current outdoor temperature is greater than the set temperature
  • the set temperature is greater than the current second indoor temperature
  • the first temperature control parameter in the cooling power of the first room when the first fresh air air conditioner is operating according to the first temperature control parameter, and the first temperature control parameter in the cooling power of the first room when the first fresh air air conditioner is operating according to the first temperature control parameter refers to the uncompensated temperature control parameter directly output by the first temperature control model after the current first temperature difference is input into the first temperature control model.
  • the first temperature control parameter is used to control the compressor frequency of the first fresh air air conditioner, the outdoor fan speed of the first fresh air air conditioner, etc., and may not be used to control the indoor fan speed of the first fresh air air conditioner.
  • the first temperature control parameter is adjusted using the first temperature compensation parameter and the second temperature compensation parameter, including: when the first fresh air air conditioner is in the heating mode, the heating power of the first room by the first fresh air air conditioner when operating according to the first temperature control parameter compensated by the first temperature compensation parameter is weaker than the heating power of the first room when the first fresh air air conditioner is operating according to the first temperature control parameter; the heating power of the first room by the first fresh air air conditioner when operating according to the first temperature control parameter compensated by the second temperature compensation parameter is weaker than the heating power of the first room when the first fresh air air conditioner is operating according to the first temperature control parameter.
  • the first fresh air air conditioner is in heating mode.
  • the heating power of the first room when the first fresh air air conditioner is operating according to the first temperature control parameter, and the first temperature control parameter of the heating power of the first room when the first fresh air air conditioner is operating according to the first temperature control parameter refer to the uncompensated temperature control parameter directly output by the first temperature control model after the current first temperature difference is input into the first temperature control model.
  • the first temperature control parameter is used to control the compressor frequency of the first fresh air air conditioner, the outdoor fan speed of the first fresh air air conditioner, etc., and may not be used to control the indoor fan speed of the first fresh air air conditioner.
  • the second temperature control parameter is adjusted using the first temperature compensation parameter and the second temperature compensation parameter, including: when the second fresh air air conditioner is in cooling mode, the cooling power of the second room by the second fresh air air conditioner when operating according to the second temperature control parameter compensated by the first temperature compensation parameter is weaker than the cooling power of the second room when the second fresh air air conditioner is operating according to the second temperature control parameter; the cooling power of the second room by the second temperature control parameter when operating according to the second temperature compensation parameter is weaker than the cooling power of the second room when the second fresh air air conditioner is operating according to the second temperature control parameter compensated by the second temperature compensation parameter.
  • the current outdoor temperature is lower than the set temperature
  • the set temperature is lower than the current second indoor temperature
  • the second temperature control parameter in the cooling power of the second room when the second fresh air air conditioner is operating according to the second temperature control parameter refers to the uncompensated temperature control parameter directly output by the second temperature control model after the current second temperature difference is input into the second temperature control model.
  • the second temperature control parameter is used to control the compressor frequency of the second fresh air air conditioner, the outdoor fan speed of the second fresh air air conditioner, etc., and may not be used to control the indoor fan speed of the second fresh air air conditioner.
  • the second temperature control parameter is adjusted using the first temperature compensation parameter and the second temperature compensation parameter, including: when the second fresh air air conditioner is in the heating mode, the heating power of the second room by the second fresh air air conditioner when operating according to the second temperature control parameter compensated by the first temperature compensation parameter is weaker than the heating power of the second room when the second fresh air air conditioner is operating according to the second temperature control parameter; the heating power of the second room by the second fresh air air conditioner when operating according to the second temperature control parameter compensated by the second temperature compensation parameter is weaker than the heating power of the second room when the second fresh air air conditioner is operating according to the second temperature control parameter.
  • the current outdoor temperature is greater than the set temperature
  • the set temperature is greater than the current second indoor temperature
  • the second temperature control parameter in the heating power of the second room when the second fresh air air conditioner is operating according to the second temperature control parameter refers to the uncompensated temperature control parameter directly output by the second temperature control model after the current second temperature difference is input into the second temperature control model.
  • the second temperature control parameter is used to control the compressor frequency of the second fresh air air conditioner, the outdoor fan speed of the second fresh air air conditioner, etc., and may not be used to control the indoor fan speed of the second fresh air air conditioner.
  • Fig. 6 is a schematic diagram of a control device for a linkage fresh air device provided in an embodiment of the present application.
  • the control of the linkage fresh air device can be implemented in the form of software, hardware or a combination of software and hardware.
  • the control device of the linked fresh air device includes a first obtaining module 61 , a second obtaining module 62 , a first determining module 63 , a second determining module 64 and a first control module 65 .
  • the first obtaining module 61 is used to obtain the current first indoor temperature of the first room, the current second indoor temperature of the second room, the set temperatures of the first room and the second room, and the current outdoor temperature of the outdoor environment, where the set temperature is the set temperature of the temperature regulating device of the first room and the second room;
  • the second obtaining module 62 is used to obtain a current first temperature difference between the current first indoor temperature and the set temperature, and a current second temperature difference between the second indoor temperature and the set temperature when the current first indoor temperature is lower than the current outdoor temperature, the current outdoor temperature is lower than the set temperature, and the set temperature is lower than the current second indoor temperature; or when the current first indoor temperature is higher than the current outdoor temperature, the current outdoor temperature is higher than the set temperature, and the set temperature is higher than the current second indoor temperature;
  • the first determination module 63 is used to determine the current first fresh air rate according to the current first temperature difference if the current first temperature difference is greater than or equal to the first temperature threshold, and the current first fresh air rate is positively correlated with the current first temperature difference; if the current second temperature difference is greater than or equal to the second temperature threshold, determine the current first fresh air rate according to the current first temperature difference.
  • the second temperature difference determines the current second fresh air rate, and the current second fresh air rate is positively correlated with the current second temperature difference;
  • the second determination module 64 is configured to use the first preset fresh air rate as the current first fresh air rate and the second preset fresh air rate as the current second fresh air rate if the current first temperature difference is less than the first temperature threshold and the current second temperature difference is less than the second temperature threshold, so that the current pressure difference between the current first pressure of the first room and the current second pressure of the second room is less than or equal to the pressure ignoring threshold;
  • the first control module 65 is used to control the first fresh air device according to the current first fresh air rate, and to control the second fresh air device according to the current second fresh air rate.
  • the first determining module 63 includes a first determining unit and a second determining unit;
  • a first determination unit is used to obtain a current third temperature difference between a current first indoor temperature and a current outdoor temperature; determine a current first additional fresh air rate that is positively correlated with the product of the current first temperature difference and the current third temperature difference; and determine a current first fresh air rate according to the sum of the current first additional fresh air rate and the third preset fresh air rate;
  • the second determination unit is used to obtain the current fourth temperature difference between the current second indoor temperature and the current outdoor temperature; determine the current second additional fresh air rate that is positively correlated with the product of the current second temperature difference and the current fourth temperature difference; and determine the current second fresh air rate based on the sum of the current second additional fresh air rate and the fourth preset fresh air rate.
  • determining a current first additional fresh air rate that is positively correlated with the product of a current first temperature difference and a current third temperature difference includes: determining a first inside-outside ventilation rate based on the product of a current first temperature difference and a current third temperature difference; obtaining a current second air quality of the second room, the smaller the value of the current second air quality is, the higher the air quality in the second room is; determining a first flow coefficient that is negatively correlated with the current second air quality based on a negative correlation between air quality and the amount of gas flow in the room; determining a current first indoor ventilation rate based on the product of the current first temperature difference and the first flow coefficient; determining the current first additional fresh air rate based on the sum of the first inside-outside ventilation rate and the first indoor ventilation rate.
  • determining a current second additional fresh air rate that is positively correlated with the product of a current second temperature difference and a current fourth temperature difference includes: determining a second internal and external ventilation rate based on the product of the second temperature difference and the current fourth temperature; obtaining the current first air quality of the first room, the smaller the value of the current first air quality is, the higher the air quality in the first room is; determining a second flow coefficient that is negatively correlated with the current first air quality based on the negative correlation between the air quality and the amount of gas flow in the room; determining the current second indoor ventilation rate based on the product of the current second temperature difference and the second flow coefficient; determining the current second additional fresh air rate based on the sum of the second internal and external ventilation rate and the second indoor ventilation rate.
  • the current first indoor ventilation rate is determined based on the product of the current first temperature difference and the first flow coefficient, including: determining a set first pressure difference between the indoor pressure and the outdoor pressure of the first room based on the product of the current first temperature difference and the first flow coefficient; and determining the current first indoor ventilation rate corresponding to the set first pressure difference based on the positive correlation between the pressure difference and the indoor ventilation rate.
  • the current second indoor ventilation rate is determined based on the product of the current second temperature difference and the second flow coefficient, including: determining a set second pressure difference between the indoor pressure and the outdoor pressure of the second room based on the product of the current second temperature difference and the second flow coefficient; and determining the current second indoor ventilation rate corresponding to the set second pressure difference based on the positive correlation between the pressure difference and the indoor ventilation rate.
  • control device of the linked fresh air device also includes a second control module; the second control module is used to use the first preset fresh air rate as the current first fresh air rate when the current first indoor temperature is greater than or equal to the current outdoor temperature and the current first indoor temperature is lower than the set temperature, or when the current first indoor temperature is lower than or equal to the current outdoor temperature and the current first indoor temperature is greater than the set temperature.
  • the first fresh air device is a first fresh air air conditioner
  • the second fresh air device is a second fresh air air conditioner
  • the control device of the linked fresh air device also includes a third acquisition module, a third determination module, a fourth acquisition module, a fourth determination module, a fifth acquisition module, a third control module, a sixth acquisition module and a fourth control module.
  • the third obtaining module is used to obtain a current fifth temperature difference between the current first indoor temperature and the current second indoor temperature;
  • the third determination module is used to determine the first temperature compensation coefficient corresponding to the current fifth temperature difference according to the corresponding relationship between the temperature difference and the compensation parameter;
  • the fourth obtaining module is used to obtain a current pressure difference between a current first pressure and a current second pressure
  • the fourth determination module is used to determine the second temperature compensation coefficient corresponding to the current pressure difference according to the corresponding relationship between the pressure difference and the compensation parameter;
  • the fifth obtaining module is used to input the current first temperature difference into the first temperature control model to obtain the first temperature control parameter corresponding to the current first temperature difference output by the first temperature control model, and the first temperature control model corresponds to the first fresh air air conditioner;
  • the third control module is used to adjust the first temperature control parameter using the first temperature compensation parameter and the second temperature compensation parameter, and control the first fresh air air conditioner according to the adjusted first temperature control parameter;
  • the sixth acquisition module is used to input the current second temperature difference into the second temperature control model to obtain the second temperature control parameter corresponding to the current second temperature difference output by the second temperature first control module, and the second temperature control model corresponds to the second fresh air air conditioner;
  • the fourth control module is used to adjust the second temperature control parameter using the first temperature compensation parameter and the second temperature compensation parameter, and control the second fresh air air conditioner according to the adjusted second temperature control parameter.
  • the third control module is specifically used to, when the first fresh air air conditioner is in cooling mode, the cooling power of the first room when the first fresh air air conditioner operates according to the first temperature control parameter compensated by the first temperature compensation parameter, is weaker than the cooling power of the first room when the first fresh air air conditioner operates according to the first temperature control parameter; the cooling power of the first room when the first fresh air air conditioner operates according to the first temperature control parameter compensated by the second temperature compensation parameter is weaker than the cooling power of the first room when the first fresh air air conditioner operates according to the first temperature control parameter.
  • the third control module is specifically used to, when the first fresh air air conditioner is in the heating mode, the heating power of the first room when the first fresh air air conditioner operates according to the first temperature control parameter compensated by the first temperature compensation parameter, is weaker than the heating power of the first room when the first fresh air air conditioner operates according to the first temperature control parameter; the heating power of the first room when the first fresh air air conditioner operates according to the first temperature control parameter compensated by the second temperature compensation parameter is weaker than the heating power of the first room when the first fresh air air conditioner operates according to the first temperature control parameter.
  • the fourth control module is specifically used for: when the second fresh air air conditioner is in cooling mode, the cooling power of the second room when the second fresh air air conditioner operates according to the second temperature control parameters compensated by the first temperature compensation parameters is weaker than the cooling power of the second room when the second fresh air air conditioner operates according to the second temperature control parameters compensated by the second temperature compensation parameters; the cooling power of the second room when the second fresh air air conditioner operates according to the second temperature control parameters compensated by the second temperature compensation parameters is weaker than the cooling power of the second room when the second fresh air air conditioner operates according to the second temperature control parameters.
  • the fourth control module is specifically used for: when the second fresh air air conditioner is in the heating mode, the heating power of the second fresh air air conditioner to the second room when it operates according to the second temperature control parameter compensated by the first temperature compensation parameter is weaker than the heating power of the second room when the second fresh air air conditioner operates according to the second temperature control parameter compensated by the second temperature compensation parameter; the heating power of the second room when the second fresh air air conditioner operates according to the second temperature control parameter compensated by the second temperature compensation parameter is weaker than the heating power of the second room when the second fresh air air conditioner operates according to the second temperature control parameter.
  • control device of the linked fresh air device includes a processor and a memory storing program instructions, and the processor is configured to execute the control method of the linked fresh air device provided in the above embodiments when executing the program instructions.
  • FIG7 is a schematic diagram of a control device for a linkage fresh air device provided in an embodiment of the present application.
  • the control device for the linkage fresh air device includes:
  • the processor 71 and the memory 72 may also include a communication interface 73 and a bus 74.
  • the processor 71, the communication interface 73, and the memory 72 may communicate with each other through the bus 74.
  • the communication interface 73 may be used for information transmission.
  • the processor 71 may call the logic instructions in the memory 72 to execute the control method of the linkage fresh air device provided in the aforementioned embodiment.
  • logic instructions in the above-mentioned memory 72 can be implemented in the form of software functional units and can be stored in a computer-readable storage medium when sold or used as an independent product.
  • the memory 72 is a computer-readable storage medium that can be used to store software programs and computer executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present application.
  • the processor 71 executes functional applications and data processing by running the software programs, instructions, and modules stored in the memory 72, that is, implementing the methods in the above method embodiments.
  • the memory 72 may include a program storage area and a data storage area, wherein the program storage area may store an operating system and an application required for at least one function; the data storage area may store data created according to the use of the terminal device, etc.
  • the memory 72 may include a high-speed random access memory and may also include a non-volatile memory.
  • An embodiment of the present application provides a smart home system, comprising a control device for a linked fresh air device provided in the aforementioned embodiment.
  • An embodiment of the present application provides a computer-readable storage medium storing computer-executable instructions, wherein the computer-executable instructions are configured to execute the control method for the linked fresh air device provided in the aforementioned embodiment.
  • An embodiment of the present application provides a computer program product, which includes a computer program stored on a computer-readable storage medium.
  • the computer program includes program instructions.
  • the program instructions When the program instructions are executed by a computer, the computer executes the control method of the linked fresh air device provided in the aforementioned embodiment.
  • the computer-readable storage medium mentioned above may be a transient computer-readable storage medium or a non-transitory computer-readable storage medium.
  • the technical solution of the embodiment of the present application can be embodied in the form of a software product, which is stored in a storage medium and includes one or more instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method in the embodiment of the present application.
  • the aforementioned storage medium may be a non-transient storage medium, including: a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and other media that can store program codes, or a transient storage medium.
  • the term “comprise” and its variants “comprises” and/or including (comprising) refer to the existence of stated features, wholes, steps, operations, elements, and/or components, but do not exclude the existence or addition of one or more other features, wholes, steps, operations, elements, components and/or these groups.
  • the elements defined by the sentence “comprising a " do not exclude the existence of other identical elements in the process, method or device comprising the elements.
  • each embodiment may focus on the differences from other embodiments, and the same or similar parts between the embodiments may refer to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method part disclosed in the embodiments, then the relevant parts can refer to the description of the method part.
  • the disclosed methods and products can be implemented in other ways.
  • the device embodiments described above are only schematic, for example, the division of units can be only a logical function division, and there can be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.
  • the coupling or direct coupling or communication connection between each other shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.
  • each functional unit in the embodiment of the present application can be integrated in a processing unit, or each unit can exist physically alone, or two or more units can be integrated in one unit.
  • each square box in the flow chart or block diagram can represent a part of a module, program segment or code, and a part of a module, program segment or code includes one or more executable instructions for realizing the logical function of the specification.
  • the function marked in the square box can also occur in a sequence different from that marked in the accompanying drawings.
  • two continuous square boxes can actually be executed substantially in parallel, and they can also be executed in the opposite order sometimes, which can be determined by the functions involved.
  • Each square box in the block diagram and/or flow chart, and the combination of the square boxes in the block diagram and/or flow chart can be realized by a dedicated hardware-based system that performs the function or action of the specification, or can be realized by a combination of special-purpose hardware and computer instructions.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente demande se rapporte au domaine technique des maisons intelligentes, et divulgue un procédé de commande pour la liaison de dispositifs à air frais. Le procédé de commande consiste à : obtenir la première différence de température actuelle entre la première température intérieure actuelle et une température réglée, et la seconde différence de température actuelle entre la seconde température intérieure actuelle et la température réglée ; lorsque la première différence de température actuelle et/ou la seconde différence de température actuelle sont fortes, en fonction de la première différence de température actuelle, déterminer le premier débit d'air frais actuel corrélé positivement à la première différence de température actuelle, et en fonction de la seconde différence de température actuelle, déterminer le second débit d'air frais actuel corrélé positivement à la seconde différence de température actuelle ; lorsque la première différence de température actuelle et la seconde différence de température actuelle sont petites, amener la différence de pression actuelle entre la première pression actuelle d'une première pièce et la seconde pression actuelle d'une seconde pièce à être inférieure ou égale à un seuil d'ignorance de pression ; en conséquence, commander un premier dispositif à air frais et un second dispositif à air frais. En utilisant le procédé de commande, les températures des deux pièces peuvent être rapidement stabilisées à la température réglée. La présente demande concerne en outre un dispositif de commande pour la liaison de dispositifs à air frais, et un système domestique intelligent.
PCT/CN2023/099587 2022-10-09 2023-06-12 Procédé et dispositif de commande pour liaison de dispositifs à air frais, et système domestique intelligent WO2024077985A1 (fr)

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