WO2020187249A1 - Procédé de commande d'auto-nettoyage pour climatiseur et climatiseur associé - Google Patents

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

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Publication number
WO2020187249A1
WO2020187249A1 PCT/CN2020/079946 CN2020079946W WO2020187249A1 WO 2020187249 A1 WO2020187249 A1 WO 2020187249A1 CN 2020079946 W CN2020079946 W CN 2020079946W WO 2020187249 A1 WO2020187249 A1 WO 2020187249A1
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WO
WIPO (PCT)
Prior art keywords
air conditioner
self
humidification module
control method
preset
Prior art date
Application number
PCT/CN2020/079946
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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 WO2020187249A1 publication Critical patent/WO2020187249A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—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
    • F24F11/52—Indication arrangements, e.g. displays
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof

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.
  • 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. At present, the self-cleaning of air conditioners uses moisture in the indoor air to form frost. When the indoor air quality is poor, dust in the air will be brought in, which will affect the self-cleaning effect.
  • the present invention proposes an air conditioner self-cleaning control method and an air conditioner to solve the above-mentioned problems.
  • the present invention proposes a self-cleaning control method for an air conditioner.
  • the air conditioner includes an indoor unit and is defrosted after frosting.
  • the indoor unit is self-cleaned, and the air inlet of the indoor unit is provided with a cover that can open or close the air inlet of the air conditioner;
  • the self-cleaning control method of the air conditioner includes the following steps: S110.
  • the cover is controlled to close the air inlet of the air conditioner;
  • S120 detecting a value of dust in the indoor air;
  • S130 performing a corresponding self-cleaning operation according to the dust value.
  • the air conditioner further includes a water storage cavity and a humidification module arranged in the indoor unit, and the water in the water storage cavity can be stored in the humidification module. Under the action, it is atomized into water vapor and diffused into the interior of the indoor unit; step S130 specifically includes: when the dust value is higher than a preset value, firstly activate the humidification module and then make the air conditioner perform self-cleaning.
  • step S130 specifically further includes: when the dust value is lower than a preset value, detecting indoor air humidity; if the indoor air humidity is higher than the preset humidity, then Directly make the air conditioner perform self-cleaning; if the indoor air humidity is lower than the preset humidity, start the humidification module first and then make the air conditioner perform self-cleaning.
  • the air conditioner self-cleaning control method further includes: before starting the humidification module, obtaining water quality information in the water storage cavity; and judging according to the water quality information Whether to start the humidification module.
  • the step of "determining whether to activate the humidification module according to the water quality information" specifically includes: when the water quality information meets a preset water quality standard, then the humidification module is activated When the water quality information does not meet the preset water quality standards, the humidification module is not activated and a reminder message is sent; wherein, the reminder message is used to remind the user to replace the water in the water storage cavity.
  • the water in the water storage cavity is condensed water generated by the purified indoor unit heat exchanger; or the water in the water storage cavity is water added by the user .
  • the air conditioner self-cleaning control method further includes: setting the operating frequency of the humidifying module to the first preset operating frequency when the humidifying module is activated Obtain the real-time temperature of the indoor unit coil; control the operating frequency of the humidification module according to the real-time temperature.
  • the step of "controlling the operating frequency of the humidification module according to the real-time temperature” specifically includes: making the operating frequency of the humidification module change as the real-time temperature decreases. Increase, and when the real-time temperature drops to a preset temperature, the operating frequency of the humidification module is fixed at a second preset operating frequency; wherein, the second preset frequency>the first preset frequency .
  • the step of “controlling the operating frequency of the humidification module according to the real-time temperature” further includes: when the humidification module operates at the second preset operating frequency After a preset time, the operating frequency of the humidification module is reduced with the increase of the operating time, and after the humidification module continues to work for a second preset time, the humidification module is stopped.
  • the present invention also provides an air conditioner including a controller configured to execute the above-mentioned air conditioner self-cleaning control method.
  • the cover plate is controlled to close the air inlet of the air conditioner, so that the air conditioner can self-clean the air conditioner in a closed environment.
  • the dust value of the indoor air is higher than the preset value (indicating that the indoor air quality is poor)
  • the moisture in the indoor air is used to form frost, the dust in the air will be brought in, which will affect the self-cleaning effect.
  • Fig. 1 is a main flow chart of the air conditioner self-cleaning control method of the present invention.
  • the air conditioner of the present invention includes an indoor unit and self-cleans the indoor unit by first forming frost and then defrosting.
  • the air inlet of the indoor unit is provided with a cover that can open or close the air inlet of the air conditioner.
  • the air conditioner further includes a water storage cavity and a humidification module arranged in the indoor unit, and the water in the water storage cavity can be atomized into water vapor under the action of the humidification module and diffused into the indoor unit.
  • 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, when the air conditioner needs to perform self-cleaning, control the cover to close the air inlet of the air conditioner; S120, detect the dust in the indoor air Numerical value; S130, perform corresponding operations according to the dust value.
  • step S130 when the dust value is higher than the preset value, the humidification module is activated first, and then the air conditioner performs self-cleaning.
  • the cover plate is controlled to close the air inlet of the air conditioner, so that the air conditioner can self-clean the air conditioner in a closed environment.
  • the dust value of the indoor air is higher than the preset value (indicating that the indoor air quality is poor)
  • the moisture in the indoor air is used to form frost, the dust in the air will be brought in, which will affect the self-cleaning effect.
  • the value of dust can be the value of PM2.5, which represents the content of fine particles per cubic meter of air.
  • PM2.5 concentration index of 10 micrograms/cubic meter is 10.
  • the preset value can be set to 100 Any value between -150.
  • step S130 when the dust value is lower than the preset value, the indoor air humidity is detected; if the indoor air humidity is higher than the preset humidity, the air conditioner is directly caused to perform self-cleaning, if the indoor air humidity is lower than the preset humidity , Start the humidification module first and then make the air conditioner perform self-cleaning.
  • the humidification module needs to be activated for humidification to ensure the self-cleaning effect of the air conditioner.
  • the air conditioner self-cleaning control method of the present invention further includes: before starting the humidification module, obtaining water quality information in the water storage cavity; and judging whether to start the humidification module according to the water quality information. Specifically, when the water quality information meets the preset water quality standard, the humidification module is activated; when the water quality information does not meet the preset water quality standard, the humidification module is not activated and a reminder message is issued. Among them, the reminder information is used to remind the user to replace the water in the water storage cavity.
  • the self-cleaning effect of the air conditioner has a great relationship with the intensity of frosting, and the intensity of frosting has a great relationship with the indoor humidity, if poor water quality is used to humidify the indoor air, it may pollute the indoor air and cause condensation.
  • frosting dust in the air is brought in, which affects the self-cleaning effect. Only clean water can have a better cleaning effect. Therefore, only when the water quality information meets the preset water quality standard can the humidification module humidify the indoor air to prevent indoor air pollution.
  • the water in the water storage cavity is condensed water generated by the purified indoor unit heat exchanger, or the water in the water storage cavity is water added by the user. That is to say, the water in the water storage cavity can be the collected condensate water of the indoor heat exchanger, or it can be pure water added by the user.
  • the self-cleaning humidification control method of the air conditioner of the present invention further includes: setting the working frequency of the humidifying module to the first preset working frequency; obtaining the real-time temperature of the indoor unit coil; and controlling the working frequency of the humidifying module according to the real-time temperature.
  • the temperature of the heat exchanger of the indoor unit is gradually reduced, so for better frosting effect, the operating frequency of the humidification module can be changed with the temperature of the heat exchanger of the indoor unit.
  • the operating frequency of the humidification module is set to the first preset operating frequency, and it is assumed that the value of the first preset operating frequency is 1. Then obtain the real-time temperature of the indoor unit coil, and make the working frequency of the humidification module increase with the decrease of the real-time temperature, and when the real-time temperature drops to the preset temperature, fix the working frequency of the humidification module at the second preset working frequency .
  • the second preset frequency >the first preset frequency.
  • the preset temperature can be determined by those skilled in the art through experiments to determine a reasonable temperature value.
  • the operating frequency of the humidification module is fixed at 1.5 or 2 or other reasonable operating frequencies.
  • the process of increasing the operating frequency of the humidification module as the real-time temperature decreases can be linear or non-linear, which can be determined by those skilled in the art through experiments according to actual application scenarios.
  • the working frequency of the humidification module is reduced as the working time increases, and after the humidification module continues to work for the second preset time, the humidification module is stopped jobs.
  • Both the first preset time and the second preset time can be flexibly determined by those skilled in the art according to actual conditions, and the first preset time and the second preset time are not limited here.
  • the present invention also provides an air conditioner, including an indoor unit, the air inlet of the indoor unit is provided with a cover, and the cover can open or close the air inlet of the indoor unit.
  • the indoor unit further includes a water storage cavity and a humidification module, and the water in the water storage cavity can be atomized into water vapor under the action of the humidification module and diffused into the indoor unit.
  • the air conditioner of the present invention further includes a controller configured to be able to execute the above-mentioned air conditioner self-cleaning control method.
  • a controller configured to be able to execute the above-mentioned air conditioner self-cleaning control method.

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

Abstract

L'invention concerne un procédé de commande d'auto-nettoyage pour un climatiseur et un climatiseur associé. L'invention concerne un procédé de commande d'auto-nettoyage comprenant : S110, lorsqu'un climatiseur doit effectuer un auto-nettoyage, commander une plaque de couverture pour fermer une entrée d'air du climatiseur ; S120, détecter une valeur numérique de poussière dans l'air intérieur ; et S130, effectuer une opération d'auto-nettoyage correspondante en fonction de la valeur numérique de la poussière. Le climatiseur comprend un dispositif de commande, qui est conçu pour être capable de mettre en œuvre le procédé de commande d'auto-nettoyage pour un climatiseur.
PCT/CN2020/079946 2019-03-21 2020-03-18 Procédé de commande d'auto-nettoyage pour climatiseur et climatiseur associé WO2020187249A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910218910.XA CN109916003B (zh) 2019-03-21 2019-03-21 空调器自清洁控制方法
CN201910218910.X 2019-03-21

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WO2020187249A1 true WO2020187249A1 (fr) 2020-09-24

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WO (1) WO2020187249A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109916003B (zh) * 2019-03-21 2020-11-03 青岛海尔空调器有限总公司 空调器自清洁控制方法
CN110470029B (zh) * 2019-07-22 2022-04-19 青岛海尔空调器有限总公司 用于控制空调自清洁的方法及装置、空调
CN110887201A (zh) * 2019-11-08 2020-03-17 珠海格力电器股份有限公司 清洁装置、清洁方法及空调器
CN112097362A (zh) * 2020-09-03 2020-12-18 南京天加环境科技有限公司 一种空调系统自清洁控制方法
CN112524778A (zh) * 2020-11-20 2021-03-19 青岛海尔空调器有限总公司 用于空调蒸发器自清洁的方法、装置及空调器
CN113639429B (zh) * 2021-07-29 2023-03-21 青岛海尔空调器有限总公司 用于控制空调的方法、装置和智能空调

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