WO2020192597A1 - Procédé et appareil de commande de nettoyage automatique pour climatiseur - Google Patents

Procédé et appareil de commande de nettoyage automatique pour climatiseur Download PDF

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Publication number
WO2020192597A1
WO2020192597A1 PCT/CN2020/080504 CN2020080504W WO2020192597A1 WO 2020192597 A1 WO2020192597 A1 WO 2020192597A1 CN 2020080504 W CN2020080504 W CN 2020080504W WO 2020192597 A1 WO2020192597 A1 WO 2020192597A1
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air conditioner
parameter
indoor
use time
outdoor
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English (en)
Chinese (zh)
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吴先锋
李桂玉
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/22—Cleaning ducts or apparatus

Definitions

  • This application relates to the field of smart home technology, and in particular to a control method and device for automatic cleaning of air conditioners.
  • Air conditioner is a kind of equipment that uses artificial means to adjust and control the temperature, humidity, cleanliness and other parameters of the ambient air in a building or building.
  • the compressor compresses the refrigerant into a high-temperature and high-pressure gaseous refrigerant, and then sends it to the outdoor unit to be converted into a liquid refrigerant through the condenser.
  • the heat generated by this heat dissipation process passes through the room by the outdoor unit
  • the machine blows into the room to provide hot air for the room; during the cooling process of the air conditioner, the compressor compresses the liquid refrigerant to the evaporator.
  • the liquid refrigerant will vaporize into a low-temperature gaseous refrigerant. Absorb a lot of heat. At this time, the evaporator will cool down greatly.
  • the fan of the indoor unit blows the indoor air through the evaporator, and delivers cold air to the room through heat exchange.
  • the air conditioner will not only circulate indoor air, but also introduce part of the outdoor air.
  • the indoor air and outdoor air are processed inside the air conditioner, and the dust and particles in the air will be affected. It is directly attached to the inside of the air conditioner. With the continuous use of the air conditioner, if the dirt accumulated inside is not cleaned up in time, it will blow the dirt into the room and affect human health.
  • the present application provides a control method and device for automatic cleaning of an air conditioner to solve the problem of inaccurate control of the existing air conditioner cleaning time point.
  • the first aspect of the present application provides a method for controlling automatic cleaning of an air conditioner, the method including:
  • time segments of the air conditioner from the last cleaning action to the current moment include: use time segments and non-use time segments;
  • the first indoor parameters, the first outdoor parameters, and all the use time segments calculate the first whole volume gray value of the air conditioner; according to the second indoor parameters, the second outdoor parameters and all the Calculate the second whole volume ash value of the air conditioner according to the non-use time segment;
  • the cleaning mode of the air conditioner is activated.
  • the method further includes:
  • the acquiring the first indoor parameter and the first outdoor parameter corresponding to the air conditioner in each use time segment, and acquiring the specific details of the second indoor parameter and the second outdoor parameter corresponding to the air conditioner in each non-use time segment The steps include:
  • the environmental parameters of each of the use time segments and each of the non-use time segments are correspondingly acquired, and the environmental parameters include: dust particle size in the air, air flow rate, weather conditions, and air conditioning oscillations parameter;
  • the first time segment of each time segment is calculated according to the dust particle size in the air, the air flow rate, the weather condition, and the air conditioning oscillation parameter An indoor parameter, a first outdoor parameter and a second indoor parameter, and a second outdoor parameter.
  • the steps also include:
  • the average gas flow rate is a disturbance gas flow rate greater than a preset gas flow rate threshold, acquiring the historical first indoor parameter or the historical second indoor parameter in the disturbance time segment corresponding to the disturbance gas flow rate;
  • the first indoor disturbance parameter is determined to be the first indoor parameter corresponding to the use time segment
  • the second indoor disturbance parameter is determined to be the second indoor parameter corresponding to the non-use time segment.
  • the specific steps of starting the cleaning mode of the air conditioner include:
  • Acquire current use parameters of the air conditioner where the current use parameters include: scheduled use time and scheduled remaining use time;
  • the air conditioner cleaning mode is started
  • a second aspect of the present application provides a control device for automatic cleaning of an air conditioner, the device including:
  • the time segment acquisition unit is configured to acquire all the time segments of the air conditioner from the last cleaning action to the current moment, and the time segments include: use time segments and non-use time segments;
  • the parameter acquisition unit is configured to acquire the first indoor parameter and the first outdoor parameter corresponding to the air conditioner in each of the use time segments, and acquire the second indoor parameter and the second outdoor parameter corresponding to the air conditioner in each of the non-use time segments.
  • Outdoor parameters
  • the whole volume gray value calculation unit is configured to calculate the first whole volume gray value of the air conditioner according to the first indoor parameter, the first outdoor parameter, and all the use time segments; according to the second indoor parameter, Calculating the second whole volume gray value of the air conditioner with the second outdoor parameter and all the non-use time segments;
  • the current dust accumulation value calculation unit of the air conditioner is configured to calculate the current dust accumulation value of the air conditioner according to the first whole volume dust value, the second whole volume dust value and a preset dust accumulation weight;
  • the cleaning mode activation unit is configured to activate the cleaning mode of the air conditioner if the current dust accumulation value reaches the preset cleaning value.
  • the device further includes:
  • the operating parameter acquisition unit is used to acquire the corresponding operating parameters of the air conditioner in each use time segment, and the operating parameters include: fan speed and gas flow;
  • the first whole-volume gray value calculation unit is configured to calculate the air conditioner's performance according to the fan speed and the air flow rate corresponding to the air conditioner in each use time segment, as well as the first indoor parameter and the first outdoor parameter The first full volume ash value.
  • the parameter acquisition unit includes:
  • a geographic location acquiring unit configured to acquire geographic locations of the air conditioner in each of the use time segments and each of the non-use time segments;
  • the environmental parameter acquisition unit is configured to correspondingly acquire environmental parameters of each of the use time segments and each of the non-use time segments according to each of the geographic locations, and the environmental parameters include: dust particle size in the air, air Flow velocity, weather conditions and air conditioning oscillation parameters;
  • An outdoor parameter determination unit configured to correspond to each of the use time segments and each of the non-use time segments, according to the dust particle size in the air, the air flow rate, the weather condition and the air conditioning oscillation parameter Calculate the first indoor parameter, the first outdoor parameter, the second indoor parameter, and the second outdoor parameter for each time segment.
  • the parameter acquiring unit further includes:
  • An average gas flow rate obtaining unit configured to obtain the average gas flow rate in the room where the air conditioner is located in each time segment
  • a historical indoor parameter obtaining unit configured to obtain a historical first indoor parameter in the disturbance time segment corresponding to the disturbance gas flow rate, or history, if the average gas flow rate is a disturbance gas flow rate greater than a preset gas flow rate threshold
  • the second indoor parameters
  • An indoor disturbance parameter calculation unit configured to calculate a first indoor disturbance parameter of the air conditioner when the disturbance time segment is a usage time segment according to the disturbance gas flow rate and the historical first indoor parameter;
  • An indoor parameter determining unit is configured to determine that the first indoor disturbance parameter is a first indoor parameter corresponding to the use time segment, and determine that the second indoor disturbance parameter is a second indoor parameter corresponding to the non-use time segment.
  • the cleaning mode activation unit includes:
  • the current use parameter obtaining unit is configured to obtain current use parameters of the air conditioner, where the current use parameters include: scheduled use time and predetermined remaining use time;
  • the air conditioner state judgment unit is configured to judge whether the current air conditioner can switch the working mode according to the predetermined use time, the predetermined remaining use time and the preset air conditioner shutdown threshold;
  • the switching unit is used to start the cleaning mode of the air conditioner if the current dust accumulation value reaches the preset cleaning value and the current air conditioner can switch the working mode;
  • the blocking unit is configured to maintain the current mode of the air conditioner if the current dust accumulation value reaches the preset cleaning value and the current air conditioner cannot switch the working mode.
  • the status of the air conditioner is divided into use and non-use, and the degree of dust accumulation of the air conditioner in these two states is different.
  • the air conditioner is usually composed of an indoor unit and an outdoor unit. Therefore, the indoor environment and the outdoor environment affect the dust accumulation of the air conditioner at the same time.
  • the dust accumulation weight is set for calculating the dust accumulation of the air conditioner in the two states. According to the calculated current dust accumulation value, it can be accurately determined whether the air conditioner needs to be cleaned at the current moment, and then the cleaning time point of the air conditioner can be accurately controlled.
  • FIG. 1 is a flowchart of a method for controlling automatic cleaning of an air conditioner according to an embodiment of the application
  • FIG. 2 is a schematic diagram of a scene of an air-conditioning working environment provided by an embodiment of the application
  • FIG. 3 is a schematic structural diagram of a control device for automatic cleaning of an air conditioner according to an embodiment of the application.
  • This application provides a method for controlling automatic cleaning of an air conditioner.
  • the method includes:
  • S104 Calculate the current dust accumulation value of the air conditioner according to the first entire volume ash value, the second entire volume ash value and a preset dust accumulation weight;
  • the state of air conditioner is divided into use and non-use.
  • dust will accumulate.
  • the internal components of the air conditioner such as fans, compressors, and output Air pipes, etc., will affect the ability of the air conditioner to absorb dust during use, and change the degree of dust accumulation during use of the air conditioner. Therefore, in order to accurately calculate the dust accumulation value of the air conditioner in the two states of use and non-use, it is necessary to accurately obtain the use time segment and the non-use time segment of the air conditioner.
  • the air conditioner is usually composed of an indoor unit 1 and an outdoor unit 4.
  • the indoor unit 1 and the outdoor unit 4 are connected by an air pipe 3 through the wall 2.
  • the cleaning of the air conditioner generally targets the indoor unit 1.
  • the dust accumulation value of the indoor unit 1 is affected by the outdoor unit 4, and the difference between the indoor environment and the outdoor environment will also affect the dust accumulation value of the air conditioner.
  • the indoor environment has only biological activities, and If there is no wind, the dust accumulation value of the indoor unit is mainly related to the free fall of dust 5 and the living activities of living things; the outdoor environment has many factors that affect the dust accumulation value such as sunlight, wind 6 and rain.
  • the dust accumulation value will superimpose the influence value of outdoor environmental factors on the basis of normal dust falling. Therefore, in order to accurately calculate the dust accumulation value of the air conditioner in the indoor environment and the outdoor environment, it is necessary to accurately obtain the first indoor parameter, the first outdoor parameter, the second indoor parameter, and the second outdoor parameter.
  • the air conditioner In the actual application of the air conditioner, the air conditioner is simultaneously affected by the superposition of the use state and environmental factors. Therefore, in order to accurately calculate the current dust accumulation value of the air conditioner, it is necessary to obtain the first indoor parameters and the first indoor parameters corresponding to the air conditioner in the use time segment. Outdoor parameters, as well as the corresponding second indoor parameters and second outdoor parameters of the air conditioner in the non-use time segment, and calculate the first whole volume gray value of the air conditioner in use and the second whole volume in the non-use state Fouling value.
  • the air conditioner has different dust adsorption capacity in the use and non-use state, in order to highlight the influence of the use state on the dust accumulation of the air conditioner, reserve a suitable cleaning time for calculating the dust accumulation of the air conditioner in the two states Set the weight of fouling.
  • the humidity is k4 and s1, k5 and s2, k6 and s3, k7 and s4, k8 and s5, and the daily dust levels corresponding to L2 are k9 and s6, k10 and s7, k11 and
  • the calculated current dust accumulation value it can be accurately determined whether the air conditioner needs to be cleaned at the current moment, and then the cleaning time point of the air conditioner can be accurately controlled.
  • the method further includes:
  • S202 Calculate the first whole volume ash value of the air conditioner according to the fan speed and the gas flow rate corresponding to the air conditioner in each use time segment, as well as the first indoor parameter and the first outdoor parameter.
  • the fan of the internal unit rotates, and the swirling flow will be generated during the rotation of the fan, which will enhance the air conditioner’s adsorption force for dust in the surrounding air.
  • the higher the fan speed the stronger the adsorption force.
  • the weaker the adsorption force The gas flow rate is the total amount of gas blown into the room within a certain period of time. The larger the gas flow rate, the more dust originally accumulated on the air conditioner will be removed, and vice versa.
  • the embodiment of the present application only exemplarily discloses a calculation method of the current ash accumulation value, and various calculation methods can be set according to actual needs.
  • the dust accumulation value of the air conditioner in the use time segment can be calculated more accurately.
  • the acquiring the first indoor parameter and the first outdoor parameter corresponding to the air conditioner in each use time segment, and acquiring the specific details of the second indoor parameter and the second outdoor parameter corresponding to the air conditioner in each non-use time segment The steps include:
  • the environmental parameters of each of the use time segments and each of the non-use time segments are correspondingly acquired, and the environmental parameters include: dust particle size in the air, air flow rate, weather conditions, and air conditioning oscillations parameter;
  • each of the use time segments and each of the non-use time segments calculate each time segment according to the dust particle size in the air, the air flow rate, the weather condition, and the air conditioning oscillation parameter The first indoor parameter, the first outdoor parameter and the second indoor parameter, the second outdoor parameter.
  • GPS and other positioning devices can be installed on the air conditioner to obtain the real-time position of the air conditioner.
  • the location of the air conditioner is likely to change between two cleaning actions, such as moving from City A to City B. At this time, it cannot be used all the time.
  • the geographic location information of City A as the geographic location changes, the corresponding environmental parameters will also change; at the same time, the air conditioner will oscillate during the transportation process, causing the dust on the air conditioner to fall. Therefore, during the transportation process of the air conditioner ,
  • the oscillation parameters of the air conditioner need to be obtained for calculation. For example, as shown in Figure 3, the air conditioner is usually packaged in a truck for transportation. Therefore, the oscillation parameter corresponds to the non-use time segment of the air conditioner.
  • the influence of weather conditions on the dust accumulation value of air conditioners is mainly reflected in the air humidity, whether there is rain, and snow. For example, the higher the air humidity, the easier it is to absorb dust; rain and snow will reduce the dust in the air. Therefore, when calculating the first outdoor parameter and the second outdoor parameter, on the basis of the calculation method disclosed in the above embodiment, it is necessary to add the relevant weather parameters of air humidity and subtract the relevant weather parameters of rain/snow.
  • the steps also include:
  • the window opening time is short, if the calculation of the disturbance gas flow rate corresponding to the window opening time does not actually affect the indoor dust level, it will Affect the overall calculation accuracy of the dust accumulation value. Therefore, the average gas flow rate is calculated.
  • the first indoor parameter and the second indoor parameter are used to calculate the dust accumulation value of the air conditioner more accurately.
  • the historical first indoor parameter is P1
  • the historical second indoor parameter is P3
  • the corresponding average gas flow rates are v1 and v2, respectively.
  • the superimposed first indoor parameter is P1*v1
  • the second indoor parameter is P2*v2.
  • the specific steps of starting the cleaning mode of the air conditioner include:
  • S502 Determine whether the current air conditioner can switch the working mode according to the predetermined use time, the predetermined remaining use time, and a preset air conditioning shutdown threshold;
  • the current time cannot be switched to the cleaning mode. If the predetermined remaining time is less than or equal to the preset air conditioning shutdown threshold, the current time can be switched to the cleaning mode. If the dust accumulation value reaches the preset cleaning value, and the cleaning mode can be switched to at the current moment, the cleaning mode of the air conditioner is activated to start automatic cleaning.
  • FIG. 3 is a schematic structural diagram of a control device for automatic cleaning of an air conditioner provided by this application, and the device includes:
  • the time segment acquisition unit 7 is configured to acquire all the time segments of the air conditioner from the last cleaning action to the current moment, and the time segments include: use time segments and non-use time segments;
  • the parameter acquisition unit 8 is configured to acquire the first indoor parameter and the first outdoor parameter corresponding to the air conditioner in each of the use time segments, and acquire the second indoor parameter and the first outdoor parameter corresponding to the air conditioner in each of the non-use time segments. Two outdoor parameters;
  • the whole-volume gray value calculation unit 9 is configured to calculate the first whole-volume gray value of the air conditioner according to the first indoor parameter, the first outdoor parameter, and all the use time segments; according to the second indoor parameter , The second outdoor parameter and all the non-use time segments, calculating the second whole volume gray value of the air conditioner;
  • the current dust accumulation value calculation unit 10 of the air conditioner is configured to calculate the current dust accumulation value of the air conditioner according to the first whole volume dust value, the second whole volume dust value and a preset dust accumulation weight;
  • the cleaning mode activation unit 11 is configured to activate the cleaning mode of the air conditioner if the current dust accumulation value reaches the preset cleaning value.
  • the device further includes: an operating parameter obtaining unit for obtaining corresponding operating parameters of the air conditioner in each use time segment, the operating parameters including: fan speed and gas flow; calculation of the first whole volume ash value
  • the unit is configured to calculate the first whole volume ash value of the air conditioner according to the fan speed and the air flow rate corresponding to the air conditioner in each time segment, as well as the first indoor parameter and the first outdoor parameter.
  • the parameter obtaining unit includes: a geographic location obtaining unit, configured to obtain the geographic location of the air conditioner in each of the use time segments and each of the non-use time segments;
  • the geographic location corresponds to acquiring environmental parameters of each of the use time segments and each of the non-use time segments, and the environmental parameters include: dust particle size in the air, air flow rate, weather conditions, and air conditioning oscillation parameters;
  • An outdoor parameter determination unit configured to correspond to each of the use time segments and each of the non-use time segments, according to the dust particle size in the air, the air flow rate, the weather condition and the air conditioning oscillation parameter Calculate the first indoor parameter, the first outdoor parameter, the second indoor parameter, and the second outdoor parameter for each time segment.
  • the parameter obtaining unit further includes: an average gas flow rate obtaining unit, configured to obtain an average gas flow rate in the room where the air conditioner is located in each of the time segments; and a historical indoor parameter obtaining unit, configured to determine if the average gas flow rate is Is the disturbance gas flow rate greater than the preset gas flow rate threshold, then the historical first indoor parameter or the historical second indoor parameter in the disturbance time segment corresponding to the disturbance gas flow rate is obtained; the indoor disturbance parameter calculation unit is used for According to the disturbance gas flow rate and the historical first indoor parameter, the first indoor disturbance parameter of the air conditioner when the disturbance time segment is the use time segment is calculated; or, according to the disturbance gas flow rate and the historical second indoor parameter Indoor parameters, calculating the second indoor disturbance parameter of the air conditioner when the disturbance time segment is a non-use time segment; an indoor parameter determination unit, configured to determine that the first indoor disturbance parameter is the first of the corresponding use time segment Indoor parameters, determining that the second indoor disturbance parameter is a second indoor parameter corresponding to a non-use time segment.
  • the cleaning mode activation unit includes: a current use parameter acquisition unit for acquiring current use parameters of the air conditioner, and the current use parameters include: a scheduled use time and a predetermined remaining use time; and an air conditioning state judgment unit for According to the predetermined use time, the predetermined remaining use time and the preset air conditioner shutdown threshold, it is determined whether the current air conditioner can switch the working mode; the switching unit is used if the current dust accumulation value reaches the preset cleaning value and the current air conditioner is OK Switching the working mode starts the cleaning mode of the air conditioner; the blocking unit is used to maintain the current mode of the air conditioner if the current dust accumulation value reaches the preset cleaning value and the current air conditioner cannot switch the working mode.

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Abstract

La présente invention concerne un procédé et un appareil de commande de nettoyage automatique pour un climatiseur. Le procédé comprend les étapes consistant : à obtenir tous les segments de temps d'un climatiseur à partir du moment d'arrêt de la dernière action de nettoyage jusqu'au moment actuel, les segments de temps comprenant des segments de temps de service et des segments de temps de non-service ; à obtenir des premiers paramètres d'intérieur et des premiers paramètres d'extérieur correspondants du climatiseur dans chaque segment de temps de service et à obtenir des seconds paramètres d'intérieur et des seconds paramètres d'extérieur correspondants du climatiseur dans chaque segment de temps de non-service ; à calculer une première valeur d'accumulation de poussière générale du climatiseur en fonction des premiers paramètres d'intérieur, des premiers paramètres d'extérieur et de tous les segments de temps de service ; à calculer une seconde valeur d'accumulation de poussière générale du climatiseur selon les seconds paramètres d'intérieur, les seconds paramètres d'extérieur et tous les segments de temps de non-service ; à calculer la valeur d'accumulation de poussière actuelle du climatiseur en fonction de la première valeur d'accumulation de poussière générale, de la seconde valeur d'accumulation de poussière générale et d'un poids d'accumulation de poussière prédéfini ; et si la valeur d'accumulation de poussière actuelle atteint une valeur de nettoyage prédéfinie, à démarrer le mode de nettoyage du climatiseur.
PCT/CN2020/080504 2019-03-27 2020-03-20 Procédé et appareil de commande de nettoyage automatique pour climatiseur Ceased WO2020192597A1 (fr)

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