WO2020187224A1 - Procédé de commande d'auto-nettoyage pour climatiseur, et climatiseur - Google Patents

Procédé de commande d'auto-nettoyage pour climatiseur, et climatiseur Download PDF

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Publication number
WO2020187224A1
WO2020187224A1 PCT/CN2020/079890 CN2020079890W WO2020187224A1 WO 2020187224 A1 WO2020187224 A1 WO 2020187224A1 CN 2020079890 W CN2020079890 W CN 2020079890W WO 2020187224 A1 WO2020187224 A1 WO 2020187224A1
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WO
WIPO (PCT)
Prior art keywords
preset
self
time
air conditioner
control method
Prior art date
Application number
PCT/CN2020/079890
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English (en)
Chinese (zh)
Inventor
于洋
Original Assignee
青岛海尔空调器有限总公司
海尔智家股份有限公司
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Application filed by 青岛海尔空调器有限总公司, 海尔智家股份有限公司 filed Critical 青岛海尔空调器有限总公司
Publication of WO2020187224A1 publication Critical patent/WO2020187224A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • 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
    • F24F11/41—Defrosting; Preventing freezing
    • F24F11/43—Defrosting; Preventing freezing of indoor units
    • 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
    • F24F11/00—Control or safety arrangements
    • F24F11/88—Electrical aspects, e.g. circuits

Definitions

  • the invention belongs to the technical field of air conditioners, and specifically provides a self-cleaning control method for an air conditioner and an air conditioner.
  • the air conditioner is a device that can cool/heat the room. As time goes by, the dust accumulation on the indoor unit of the air conditioner will gradually increase. When the dust accumulation reaches a certain level, a large number of bacteria will breed, especially when the indoor air flows through the room. The air conditioner needs to be cleaned in time because it will carry a lot of dust and bacteria when it is running.
  • Now air conditioners mostly adopt a self-cleaning method, that is, by controlling the operation of the indoor unit, the evaporator is frosted first and then defrosted, and the evaporator is cleaned by defrosting.
  • both the frosting time and the defrosting time are fixed, and the fixed time is generally a value determined under ideal and specific test conditions.
  • the actual operation of the air conditioner there may be some differences between the actual operating conditions and the ideal and specific test conditions. This leads to the problem of insufficient control accuracy when the air conditioner runs in accordance with the existing self-cleaning procedures. , Such as insufficient cleaning due to too short frosting time.
  • the present invention provides a self-cleaning control method for an air conditioner.
  • the air conditioner includes an indoor unit and defrosts after frosting.
  • the indoor unit is self-cleaned in a manner, and the air conditioner self-cleaning control method includes the following steps: S110.
  • the air conditioner self-cleaning control method includes the following steps: S110.
  • the process of the air conditioner running the standard self-cleaning mode obtain the current value I of the indoor fan at the current speed S120, detecting the current indoor air humidity T; S130, selectively adjusting the frosting time and/or defrosting time of the standard self-cleaning mode according to the current value I and the indoor air humidity T.
  • step S130 specifically includes: when the second preset current value ⁇ I ⁇ the first preset current value and the second preset humidity value ⁇ T ⁇ the first preset humidity Value, execute the standard self-cleaning mode of the air conditioner.
  • step S130 specifically includes: when the second preset current value ⁇ I ⁇ the first preset current value and T ⁇ the first preset humidity value, the standard The frosting time of the self-cleaning mode is reduced by the first preset time.
  • step S130 specifically includes: when the second preset current value ⁇ I ⁇ the first preset current value and T ⁇ the second preset humidity value, the standard The frosting time of the self-cleaning mode is increased by a second preset time.
  • step S130 specifically includes: when I ⁇ a second preset current value and the second preset humidity value ⁇ T ⁇ the first preset humidity value, the standard The frosting time of the self-cleaning mode is increased by a second preset time, and the defrosting time of the standard self-cleaning mode is increased by the first preset time.
  • step S130 specifically includes: when I ⁇ a second preset current value and T ⁇ a first preset humidity value, defrosting time of the standard self-cleaning mode Increase the first preset time.
  • step S130 specifically includes: when I ⁇ a second preset current value and T ⁇ a second preset humidity value, reducing the frosting time of the standard self-cleaning mode The third preset time is increased, and the defrosting time of the standard self-cleaning mode is increased by the first preset time.
  • the first preset time is any time between 0.5-1.5 minutes; the second preset time is any time between 4.5-5.5 minutes; The third preset time is any time between 9-11 minutes.
  • the first preset time is 1 minute; the second preset time is 5 minutes, and the third preset time is 10 minutes.
  • the present invention also provides an air conditioner including a controller configured to execute the above-mentioned air conditioner self-cleaning control method.
  • the present invention selectively adjusts the frosting time and/or defrosting time of the standard self-cleaning mode according to the current value I of the indoor fan and the indoor air humidity T.
  • the present invention can accurately control the frosting time and defrosting time of the standard self-cleaning mode of the air conditioner according to the actual operating conditions of the air conditioner , Thereby greatly improving the cleaning effect of the air conditioner during self-cleaning operation, thereby enhancing the user experience.
  • Fig. 1 is a main flow chart of the air conditioner self-cleaning control method of the present invention.
  • the air conditioner self-cleaning control method provided by the present invention aims to more accurately control the self-cleaning of the air conditioner.
  • the air conditioner of the present invention includes an indoor unit and an outdoor unit, and the indoor unit is self-cleaned by first frosting and then defrosting .
  • Fig. 1 is a main flowchart of the self-cleaning control method of an air conditioner of the present invention.
  • the self-cleaning control method of the air conditioner of the present invention includes the following steps: S110, acquiring the current value I of the indoor fan at the current speed during the air conditioner running the standard self-cleaning mode; S120, detecting the current Indoor air humidity T; S130, selectively adjusting the frosting time and/or defrosting time of the standard self-cleaning mode according to the current value I and the indoor air humidity T.
  • step S130 the following conditions can be specifically followed Adjust the frosting time and/or defrosting time in the self-cleaning mode.
  • Case 1 When the second preset current value ⁇ I ⁇ the first preset current value, and the second preset humidity value ⁇ T ⁇ the first preset humidity value, the standard self-cleaning mode of the air conditioner is executed.
  • the first preset current value and the second preset current value can be obtained by those skilled in the art through experiments.
  • the heat exchanger of the indoor unit is in a general dirty state.
  • the second preset humidity value and the first preset humidity value can also be obtained by those skilled in the art through experiments.
  • the indoor air humidity T is between the second preset humidity value and the first preset humidity value, it is determined that the current indoor humidity is Humidity is a general humidity state.
  • the standard self-cleaning mode of the air conditioner is executed, that is, the frosting/defrosting time in the self-cleaning mode is not increased or decreased.
  • the frosting time of the standard self-cleaning mode is reduced by the first preset time.
  • the first preset time may be obtained by those skilled in the art according to experiments.
  • the first preset time may be 1 minute, or any time between 0.5 and 1.5 minutes.
  • Case 3 When the second preset current value ⁇ I ⁇ the first preset current value, and T ⁇ the second preset humidity value, the frosting time from the standard cleaning mode is increased by the second preset time. Specifically, as described above, when the current value of the indoor fan is between the first preset current value and the second preset current value, it is determined that the heat exchanger of the indoor unit is in a general dirty state; when the indoor air humidity is T When it is lower than the second preset humidity value, it can be determined that the current indoor air humidity is in a dry state. In this case, the frosting time of the standard self-cleaning mode is increased by the second preset time, and the defrosting time remains unchanged.
  • the second preset time may be obtained by those skilled in the art according to experiments. For example, the second preset time may be 5 minutes, or any time between 4.5-5.5 minutes.
  • the frosting time of the standard self-cleaning mode is increased by the second preset time
  • the defrosting time of the standard self-cleaning mode is increased by the first preset time.
  • the first preset time and the second preset time can be obtained by those skilled in the art according to experiments.
  • the first preset time can be 1 minute, or any time between 0.5-1.5 minutes
  • the second preset The time can be 5 minutes, or any time between 4.5-5.5 minutes.
  • Case 5 When I ⁇ the second preset current value and T ⁇ the first preset humidity value, increase the defrosting time of the standard self-cleaning mode by the first preset time. Specifically, when the current of the indoor fan is lower than the second preset threshold, it can be determined that the indoor unit heat exchanger is in a severely dirty state; when the indoor air humidity T is higher than the first preset humidity value, it can be determined that the current indoor air The humidity is humid. In this case, the defrosting time of the standard self-cleaning mode is increased by the first preset time, and the frosting time remains unchanged.
  • the first preset time may be obtained by those skilled in the art according to experiments. For example, the first preset time may be 1 minute, or any time between 0.5 and 1.5 minutes.
  • the third preset time and the first preset time can be obtained by those skilled in the art according to experiments.
  • the third preset time can be 10 minutes, or any time between 9-11 minutes
  • the first preset The time can be 1 minute, or any time between 0.5-1.5 minutes.
  • the first preset current value and the second preset current value mentioned above can be obtained by those skilled in the art through experiments, specifically when the heat exchanger of the indoor unit is in a general dirty state obtained through experimental data.
  • the first preset humidity value and the second preset humidity value can also be obtained by those skilled in the art through experiments.
  • the interval range when the indoor air humidity is at the general humidity is obtained through test data, and the interval range is determined After that, if the indoor air humidity is higher than the upper limit of the interval range, it means that the indoor air humidity is in a humid state; if the indoor air humidity is lower than the lower limit of the interval range, it means that the indoor air humidity is dry.
  • the first preset time, the second preset time, and the third preset time can also be obtained by those skilled in the art through experiments.
  • the present invention also provides an air conditioner, which includes a controller, and the controller is configured to execute the above-mentioned air conditioner self-cleaning control method.
  • the specific air conditioner self-cleaning control method refers to the above, and will not be repeated here.

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

Abstract

La présente invention concerne un procédé de commande d'auto-nettoyage pour un climatiseur. Le procédé comprend les étapes suivantes consistant à : quand un climatiseur fonctionne dans un mode d'auto-nettoyage standard, acquérir une valeur actuelle I d'un ventilateur intérieur à la vitesse de rotation actuelle ; détecter l'humidité d'air intérieur actuelle T ; et ajuster de manière sélective un temps de givrage et/ou un temps de dégivrage du mode d'auto-nettoyage standard en fonction de la valeur actuelle I et de l'humidité d'air intérieur T.
PCT/CN2020/079890 2019-03-21 2020-03-18 Procédé de commande d'auto-nettoyage pour climatiseur, et climatiseur WO2020187224A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910218978.8 2019-03-21
CN201910218978.8A CN109916051B (zh) 2019-03-21 2019-03-21 空调器自清洁控制方法和空调器

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WO2020187224A1 true WO2020187224A1 (fr) 2020-09-24

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CN109916051B (zh) * 2019-03-21 2021-05-25 青岛海尔空调器有限总公司 空调器自清洁控制方法和空调器
WO2023173587A1 (fr) * 2022-03-16 2023-09-21 广东美的制冷设备有限公司 Procédé de commande de climatiseur, climatiseur, et support de stockage lisible par ordinateur

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