WO2020187252A1 - Procédé de commande d'humidification pour auto-nettoyage de climatiseur - Google Patents

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

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Publication number
WO2020187252A1
WO2020187252A1 PCT/CN2020/079951 CN2020079951W WO2020187252A1 WO 2020187252 A1 WO2020187252 A1 WO 2020187252A1 CN 2020079951 W CN2020079951 W CN 2020079951W WO 2020187252 A1 WO2020187252 A1 WO 2020187252A1
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WIPO (PCT)
Prior art keywords
self
humidification
air conditioner
cleaning
water
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PCT/CN2020/079951
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English (en)
Chinese (zh)
Inventor
于洋
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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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Publication of WO2020187252A1 publication Critical patent/WO2020187252A1/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 humidification control method for 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.
  • the effect of self-cleaning has a great relationship with the intensity of frost, and the intensity of frost has a great relationship with indoor humidity.
  • the indoor air quality is poor, if the moisture in the indoor air is used for frosting, it will also bring in the dust in the air and affect the self-cleaning effect. Moreover, excessive humidification will cause the self-cleaning frost to be too thick, which may cause certain damage to the machine.
  • the present invention proposes a self-cleaning humidification control method for an air conditioner to solve the above-mentioned problems.
  • the present invention proposes a self-cleaning and humidifying control method for an air conditioner.
  • the air conditioner includes an indoor unit and is defrosted after frosting
  • the indoor unit is self-cleaned
  • the air conditioner self-cleaning and humidifying control method includes the following steps: S110.
  • step S140 specifically includes: when the current humidity of the indoor air is lower than the target humidity, calculating the humidity of the indoor air according to the target humidity. The amount of humidification water required by the target humidity; and the indoor air is humidified according to the amount of humidification water.
  • step S140 specifically includes: when the current humidity of the indoor air is not lower than the target humidity, not humidifying the indoor air.
  • the air conditioner further includes a water storage cavity and a humidification module provided in the indoor unit, and the humidification module can mist the water in the water storage cavity
  • the air conditioner self-cleaning and humidifying control method further includes: before humidifying the indoor air, obtaining water volume and water quality information in the water storage cavity; according to the water volume and water quality information It is determined whether to activate the humidification module; wherein the indoor air can be humidified after the humidification module is activated.
  • the step of “determining whether to activate the humidification module according to the water volume and the water quality information” includes: when the water volume is greater than or equal to the humidification water volume and the When the water quality information meets the preset water quality standard, the humidification module is activated.
  • the step of "determining whether to activate the humidification module according to the water quantity and the water quality information" includes: when the water quantity is less than the humidification water quantity and the water quality When the information meets the preset water quality standard, the humidification module is activated and a reminder message is sent; wherein the reminder message is used to remind the user to add water to the water storage cavity.
  • the step of "determining whether to activate the humidification module based on the water quantity and the water quality information" includes: when the water quality information does not meet the preset water quality standard, not starting the The humidification module sends out reminding information; wherein, the reminding information is used to remind the user to replace the water in the water storage cavity.
  • the air conditioner self-cleaning and humidifying control method further includes: setting the operating frequency of the humidifying module to a first preset when the humidifying module is activated Working frequency; obtaining the real-time temperature of the indoor unit coil; selectively adjusting the working frequency of the humidification module according to the real-time temperature.
  • the step of “selectively adjusting the operating frequency of the humidification module according to the real-time temperature” specifically includes: making the operating frequency of the humidification module follow the real-time temperature The temperature decreases as the temperature increases, and when the real-time temperature decreases 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 A preset frequency.
  • the step of “selectively adjusting the operating frequency of the humidification module according to the real-time temperature” further includes: when the humidification module is in the second preset After the operating frequency is operated for the first 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 the second preset time, the humidification module is stopped.
  • 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 indoor humidity. If the frost is too thick, it may cause certain damage to the air conditioner. Therefore, the present invention controls the amount of humidification of the indoor air, thereby effectively avoiding the situation that the indoor air humidity is too low to reach the preset frosting intensity and avoiding the situation that the indoor air is still humidified due to the high humidity of the indoor air, ensuring that The frosting thickness of the air conditioner during the self-cleaning process further enhances the self-cleaning effect of the air conditioner.
  • Fig. 1 is a main flow chart of the self-cleaning humidification control method of an air conditioner of the present invention.
  • Fig. 1 is a main flowchart of the self-cleaning and humidifying control method of an air conditioner of the present invention. As shown in Fig.
  • the air conditioner self-cleaning and humidifying control method of the present invention includes the following steps: S110, in a situation where the air conditioner needs to perform self-cleaning, acquiring the current humidity of the indoor air and the heat exchanger image of the indoor unit; S120, Process the heat exchanger image to obtain the turbidity of the heat exchanger; S130, calculate the frosting intensity according to the turbidity of the heat exchanger and the target humidity of the indoor air required to meet the frosting intensity; S140, according to the current indoor air Humidity and the target humidity of indoor air control the amount of humidification of indoor air; wherein the frosting intensity is the amount of frosting during the self-cleaning process of the air conditioner.
  • step S140 when the current humidity of the indoor air is lower than the target humidity, the amount of humidification water required to humidify the indoor air to the target humidity is calculated according to the target humidity, and then the indoor air is humidified according to the humidification water amount.
  • the current humidity of the indoor air is not lower than the target humidity, it indicates that the current humidity of the indoor air can meet the preset frosting intensity, so the indoor air is not humidified.
  • the frosting thickness of the air conditioner during the self-cleaning process further enhances the self-cleaning effect of the air conditioner.
  • the present invention calculates the required frosting intensity of the indoor unit based on the turbidity of the heat exchanger obtained after image processing of the heat exchanger. For example, the higher the turbidity of the heat exchanger, the more dirty the heat exchanger, that is, the greater the frosting intensity required.
  • step S140 when the current humidity of the indoor air is detected, it only needs to be compared with the target humidity value.
  • the target humidity value minus the current humidity value is the humidity value that needs to be humidified, and the required humidification amount can be determined according to the humidity value needed to ensure that the air conditioner is self-cleaning The amount of frost in the process to improve the self-cleaning effect.
  • the heat exchanger image is processed to obtain the turbidity of the heat exchanger.
  • This step can be implemented using an image recognition module.
  • the image recognition module can use any existing chip used for image processing, as long as it can achieve the purpose of image analysis and processing to obtain turbidity. For example, you can compare the acquired image of the heat exchanger with the image of a clean heat exchanger (that is, not covered with dirt and other contaminants) to obtain the amount of dust on the current heat exchanger image, and then calculate this according to the set algorithm The dirtiness of the dust. Those skilled in the art can also use any other reasonable algorithm to calculate the turbidity on the heat exchanger, which will not be described in detail here.
  • a camera set above the heat exchanger can be used for shooting and collection.
  • a water storage cavity and a humidification module may be provided on the indoor unit, and the humidification module is used to atomize the water in the water storage cavity to humidify the indoor air.
  • the air conditioner self-cleaning and humidification control method of the present invention further includes: when the indoor air needs to be humidified (that is, the current humidity of the indoor air is lower than the target humidity), acquiring the water volume and water quality information in the water storage cavity; Determine whether to activate the humidification module according to the water volume and water quality information. After the humidification module is activated, the indoor air can be humidified. Specifically, when the water volume is greater than or equal to the humidification water volume and the water quality information meets the preset water quality standard, the humidification module is activated.
  • the humidification module When the water volume is less than the humidification water volume and the water quality information meets the preset water quality standards, the humidification module is activated and a reminder message is sent; among them, the reminder message is used to remind the user to add water to the water storage cavity.
  • the humidification module When the water quality information does not meet the preset water quality standard, the humidification module is not activated and a reminder message is sent; among them, the reminder message is used to remind the user to replace the water in the water storage cavity.
  • Those skilled in the art can understand that if poor water quality is used to humidify the indoor air, it may pollute the indoor air, causing dust in the air to be brought in when frosting, which affects the effect of self-cleaning. Only clean water can achieve better results. Good 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 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 selectively adjusting the operation of the humidifying module according to the real-time temperature frequency.
  • the temperature of the heat exchanger of the indoor unit is gradually reduced, so in order to achieve a 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 may 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.

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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)

Abstract

La présente invention, qui se rapporte au domaine technique des climatiseurs, concerne en particulier un procédé de commande d'humidification pour l'auto-nettoyage d'un climatiseur. Afin d'améliorer l'effet d'auto-nettoyage du climatiseur, le procédé de commande d'humidification pour l'auto-nettoyage d'un climatiseur, selon la présente invention, consiste : à obtenir, si un climatiseur doit exécuter un auto-nettoyage, l'humidité actuelle de l'air intérieur et une image d'un échangeur de chaleur d'une unité intérieure ; à traiter l'image de l'échangeur de chaleur afin d'obtenir le niveau de saleté de l'échangeur de chaleur ; à calculer, en fonction du niveau de saleté de l'échangeur de chaleur, l'intensité du givre et l'humidité cible de l'air intérieur requise pour satisfaire à l'intensité du givre ; à réguler la quantité d'humidification pour l'air intérieur en fonction de l'humidité actuelle de l'air intérieur et de l'humidité cible de l'air intérieur. La régulation de la quantité d'humidification pour l'air intérieur, selon la présente invention, évite efficacement la situation selon laquelle l'humidité de l'air intérieur est trop faible pour atteindre l'intensité du givre préétablie, et la situation selon laquelle l'humidité de l'air intérieur est trop élevée mais l'air intérieur est toujours humidifié ; ainsi l'épaisseur de givre du climatiseur pendant l'auto-nettoyage est assuré, et, en outre, l'effet d'auto-nettoyage du climatiseur est amélioré.
PCT/CN2020/079951 2019-03-21 2020-03-18 Procédé de commande d'humidification pour auto-nettoyage de climatiseur WO2020187252A1 (fr)

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CN201910219004.1A CN109916039B (zh) 2019-03-21 2019-03-21 空调器自清洁加湿控制方法
CN201910219004.1 2019-03-21

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109916039B (zh) * 2019-03-21 2021-01-29 青岛海尔空调器有限总公司 空调器自清洁加湿控制方法
CN110736195B (zh) * 2019-09-30 2021-11-23 青岛海尔空调器有限总公司 空调自清洁控制的方法及装置、空调
CN113357789B (zh) * 2021-05-20 2022-10-28 青岛海尔空调器有限总公司 用于空调自清洁的控制方法及装置、空调

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103292417A (zh) * 2013-05-20 2013-09-11 四川长虹电器股份有限公司 空调除尘的方法
CN107514681A (zh) * 2017-07-26 2017-12-26 青岛海尔空调器有限总公司 空调器室内机
CN107525216A (zh) * 2017-07-26 2017-12-29 青岛海尔空调器有限总公司 具有自清洁功能的空调器及其控制方法
CN109916039A (zh) * 2019-03-21 2019-06-21 青岛海尔空调器有限总公司 空调器自清洁加湿控制方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3071074B2 (ja) * 1993-10-01 2000-07-31 シャープ株式会社 空気調和機
US10119718B2 (en) * 2011-06-20 2018-11-06 Honeywell International Inc. Methods and systems for monitoring an air filter of an HVAC system
JP6802851B2 (ja) * 2016-03-02 2020-12-23 エンジェイ エービー 換気のためのシステム、方法およびフィルタ
CN106322663B (zh) * 2016-08-24 2019-02-05 青岛海尔空调器有限总公司 一种空调自清洁控制方法
CN106556106B (zh) * 2016-11-09 2020-03-31 青岛海尔空调器有限总公司 一种空调室内机自清洁的控制方法及装置
JP2018115821A (ja) * 2017-01-19 2018-07-26 国立大学法人 東京大学 空調システム
CN107514682A (zh) * 2017-07-26 2017-12-26 青岛海尔空调器有限总公司 具有自清洁功能的空调器室内机
CN108413558A (zh) * 2018-01-26 2018-08-17 青岛海尔空调器有限总公司 一种空调的控制方法及装置
CN108800381B (zh) * 2018-06-12 2020-12-29 Tcl德龙家用电器（中山）有限公司 空调器清洁方法、空调器以及可读存储介质
CN108826576B (zh) * 2018-07-13 2019-11-29 珠海格力电器股份有限公司 一种定频空调自清洁的控制方法
CN109373504B (zh) * 2018-11-22 2020-01-17 珠海格力电器股份有限公司 一种提高霜层厚度的蒸发器自清洁方法及空调器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103292417A (zh) * 2013-05-20 2013-09-11 四川长虹电器股份有限公司 空调除尘的方法
CN107514681A (zh) * 2017-07-26 2017-12-26 青岛海尔空调器有限总公司 空调器室内机
CN107525216A (zh) * 2017-07-26 2017-12-29 青岛海尔空调器有限总公司 具有自清洁功能的空调器及其控制方法
CN109916039A (zh) * 2019-03-21 2019-06-21 青岛海尔空调器有限总公司 空调器自清洁加湿控制方法

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