CN115183429B - Air conditioner self-cleaning control method and device, air conditioner and storage medium - Google Patents

Air conditioner self-cleaning control method and device, air conditioner and storage medium Download PDF

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Publication number
CN115183429B
CN115183429B CN202210986708.3A CN202210986708A CN115183429B CN 115183429 B CN115183429 B CN 115183429B CN 202210986708 A CN202210986708 A CN 202210986708A CN 115183429 B CN115183429 B CN 115183429B
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air conditioner
temperature
evaporator
refrigerating
target
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CN202210986708.3A
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CN115183429A (en
Inventor
张世纪
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Ningbo Aux Electric Co Ltd
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Ningbo Aux Electric Co Ltd
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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
    • F24F11/62—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
    • F24F11/30—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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G13/00—Appliances or processes not covered by groups F28G1/00 - F28G11/00; Combinations of appliances or processes covered by groups F28G1/00 - F28G11/00
    • 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
    • F24F2110/20—Humidity
    • 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

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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

The embodiment of the invention provides an air conditioner self-cleaning control method, an air conditioner self-cleaning control device, an air conditioner and a storage medium, and relates to the technical field of air conditioner control. Under the condition that the air conditioner receives a shutdown instruction, acquiring indoor environment temperature and outdoor environment temperature; determining whether the air conditioner meets a self-cleaning condition according to the indoor environment temperature and the outdoor environment temperature; under the condition that the air conditioner meets the self-cleaning condition, the communication module is controlled to acquire the ambient humidity of the position where the air conditioner is located; and performing corresponding self-cleaning operation according to the ambient humidity to clean the evaporator. The method can execute corresponding self-cleaning operation according to the ambient humidity under the condition that the air conditioner meets the self-cleaning condition, so that the evaporator can be cleaned in time, the pollution to the evaporator caused by excessive dust is avoided, the refrigeration efficiency of the air conditioner can be improved, and the refrigeration effect of the air conditioner is ensured.

Description

Air conditioner self-cleaning control method and device, air conditioner and storage medium
Technical Field
The invention relates to the technical field of air conditioner control, in particular to an air conditioner self-cleaning control method, an air conditioner self-cleaning control device, an air conditioner and a storage medium.
Background
At present, the air conditioner needs to filter the dust that gets into the evaporimeter through the filter screen in the use, but after long-term use, still can pile up a certain amount of dust in the evaporimeter, if not in time clear up it, thereby can lead to the dust excessive and make the evaporimeter contaminated, and then make the refrigeration efficiency of air conditioner reduce, and can influence the refrigeration effect of air conditioner.
Disclosure of Invention
The invention solves the problem of cleaning the evaporator in time so as to improve the refrigerating efficiency of the air conditioner and ensure the refrigerating effect.
In order to solve the problems, the embodiment of the invention provides an air conditioner self-cleaning control method, an air conditioner self-cleaning control device, an air conditioner and a storage medium, which can clean an evaporator in time, improve the refrigerating efficiency of the air conditioner and ensure the refrigerating effect.
In a first aspect, the present invention provides a self-cleaning control method of an air conditioner, which is applied to the air conditioner, wherein the air conditioner comprises a communication module, and the method comprises:
Under the condition of receiving a shutdown instruction, acquiring indoor environment temperature and outdoor environment temperature;
Determining whether the air conditioner meets a self-cleaning condition according to the indoor environment temperature and the outdoor environment temperature;
controlling the communication module to acquire the ambient humidity of the position of the air conditioner under the condition that the air conditioner meets the self-cleaning condition;
And executing corresponding self-cleaning operation according to the ambient humidity so as to clean the evaporator.
According to the self-cleaning control method for the air conditioner, whether the air conditioner meets the self-cleaning condition or not can be determined through the indoor environment temperature and the outdoor environment temperature, so that the environment humidity of the place where the air conditioner is located is obtained under the condition that the air conditioner meets the self-cleaning condition, corresponding self-cleaning operation is executed according to the environment humidity, and the evaporator is cleaned. The method can execute corresponding self-cleaning operation according to the ambient humidity under the condition that the air conditioner meets the self-cleaning condition, so that the evaporator can be cleaned in time, the pollution to the evaporator caused by excessive dust is avoided, the refrigeration efficiency of the air conditioner can be improved, and the refrigeration effect of the air conditioner is ensured.
In an alternative embodiment, the determining whether the air conditioner satisfies a self-cleaning condition according to the indoor environment temperature and the outdoor environment temperature includes:
and under the condition that the difference value between the outdoor environment temperature and the indoor environment temperature reaches a preset temperature threshold value, determining that the air conditioner meets a self-cleaning condition.
According to the self-cleaning control method for the air conditioner, provided by the embodiment of the invention, under the condition that the difference value between the outdoor environment temperature and the indoor environment temperature reaches the preset temperature threshold value, the air conditioner can be determined to meet the self-cleaning condition, and as the difference value between the indoor environment temperature and the outdoor environment temperature is too small, the condensation capacity of the air conditioner is weak, so that the work done by the air conditioner is increased during self-cleaning, and a large amount of resources are consumed. On the basis, under the condition that the difference value between the outdoor environment temperature and the indoor environment temperature reaches the preset temperature threshold value, the air conditioner is determined to meet the self-cleaning condition, and the air conditioner can be prevented from consuming excessive resources.
In an alternative embodiment, the performing a corresponding self-cleaning operation according to the ambient humidity includes:
Controlling the air conditioner to operate for a first refrigeration time period according to a first refrigeration temperature under the condition that the ambient humidity reaches a humidity threshold value so as to enable the surface of the evaporator to be frosted;
And after the air conditioner is controlled to run for a first refrigerating time period, controlling the air conditioner to execute defrosting operation so as to enable the surface of the evaporator to generate condensed water and discharge the condensed water so as to clean the evaporator.
According to the self-cleaning control method for the air conditioner, when the ambient humidity reaches the humidity threshold, the air conditioner is controlled to operate for the first refrigerating time according to the first refrigerating temperature, so that frost is formed on the surface of the evaporator, and then the air conditioner is controlled to execute defrosting operation, so that the condensed water is generated on the surface of the evaporator and is discharged, and self-cleaning of the air conditioner is completed.
In an alternative embodiment, the performing a corresponding self-cleaning operation according to the ambient humidity includes:
Under the condition that the ambient humidity does not reach the humidity threshold value, controlling the fan to be switched to the maximum rotating speed, and controlling the air conditioner to operate for a second refrigerating time period according to a second refrigerating temperature so as to enable the surface of the evaporator to be frosted;
And after the air conditioner is controlled to operate for a second refrigerating time period, controlling the air conditioner to execute defrosting operation so as to enable the surface of the evaporator to generate condensed water and discharge the condensed water so as to clean the evaporator.
According to the self-cleaning control method for the air conditioner, when the ambient humidity does not reach the humidity threshold, the fan is controlled to be switched to the maximum rotating speed, the air conditioner is controlled to operate for a second refrigerating time according to the second refrigerating temperature so that frost is formed on the surface of the evaporator, and then the air conditioner is controlled to execute defrosting operation so that the surface of the evaporator generates condensed water and is discharged, so that self-cleaning of the air conditioner is achieved.
In an alternative embodiment, the method further comprises:
If the communication module cannot acquire the ambient humidity of the position where the air conditioner is located, determining a target rotating speed of a fan, a target refrigerating temperature of the air conditioner and a target refrigerating time according to the indoor ambient temperature and the outdoor ambient temperature;
Controlling the fan to be switched to the target rotating speed, and controlling the air conditioner to operate for a target refrigerating time according to the target refrigerating temperature so as to enable the surface of the evaporator to be frosted;
And after controlling the air conditioner to operate for the target refrigerating time, controlling the air conditioner to execute defrosting operation so as to enable the surface of the evaporator to generate condensed water and discharge the condensed water so as to clean the evaporator.
According to the self-cleaning control method for the air conditioner, when the communication module cannot acquire the ambient humidity of the position where the air conditioner is located, the target rotating speed of the fan can be determined according to the indoor ambient temperature and the outdoor ambient temperature, the target refrigerating temperature and the target refrigerating time length of the air conditioner are convenient for the air conditioner to control the fan to switch to the target rotating speed, the target refrigerating time length is operated according to the target refrigerating temperature, the surface of the evaporator is frosted, and then the frosting operation is performed, so that the surface of the evaporator generates condensed water and is discharged.
In an optional embodiment, the determining the target rotation speed, the target cooling temperature and the target cooling duration of the fan according to the indoor environment temperature and the outdoor environment temperature includes:
If the difference value between the outdoor environment temperature and the indoor environment temperature is larger than or equal to a preset first environment temperature difference value and smaller than a preset second environment temperature difference value, determining that the target rotating speed of the fan is the first rotating speed, the target refrigerating temperature of the air conditioner is the third refrigerating temperature, and the target refrigerating duration is the third refrigerating duration;
if the difference value between the outdoor environment temperature and the indoor environment temperature is larger than or equal to the second environment temperature difference value and smaller than a preset third environment temperature difference value, determining that the target rotating speed of the fan is the second rotating speed, the target refrigerating temperature of the air conditioner is the fourth refrigerating temperature, and the target refrigerating duration is the fourth refrigerating duration;
If the difference value between the outdoor environment temperature and the indoor environment temperature is greater than or equal to the third environment temperature difference value, determining that the target rotating speed of the fan is the third rotating speed, the target refrigerating temperature of the air conditioner is the fifth refrigerating temperature, and the target refrigerating duration is the fifth refrigerating duration;
Wherein the first rotational speed is greater than the second rotational speed is greater than the third rotational speed.
According to the air conditioner self-cleaning control method provided by the embodiment of the invention, the target rotating speed of the fan, the target refrigerating temperature of the air conditioner and the target refrigerating time length can be determined according to the difference value between the outdoor environment temperature and the indoor environment temperature, wherein if the difference value is larger than or equal to the first environment temperature difference value and smaller than the second environment temperature difference value, the target rotating speed is the first rotating speed, the target refrigerating temperature is the third refrigerating temperature, the target refrigerating time length is the third refrigerating time length, if the difference value is larger than or equal to the second environment temperature difference value and smaller than the third environment temperature difference value, the target rotating speed is the second rotating speed, the target refrigerating temperature is the fourth refrigerating temperature, the target refrigerating time length is the fourth refrigerating time length, and if the difference value is larger than or equal to the third environment temperature difference value, the target rotating speed is the third rotating speed, the target refrigerating temperature is the fifth refrigerating time length, and the first rotating speed is larger than the second rotating speed. By the method, when the difference between the outdoor environment temperature and the indoor environment temperature is in a small range, the target rotating speed is determined to be a large rotating speed, so that when the condensing capacity of the air conditioner is weak, the frost condensing capacity of the evaporator is improved by increasing the air inlet quantity of the surface of the evaporator, the frost condensing capacity of the surface of the evaporator is ensured, and when the difference between the outdoor environment temperature and the indoor environment temperature is in a large range, the target rotating speed is determined to be a small rotating speed, so that when the condensing capacity of the air conditioner is strong, the frost condensing capacity of the evaporator is realized, and meanwhile, the excessive air conditioner resources are not consumed.
In a second aspect, the present invention provides an air conditioner self-cleaning control device, applied to an air conditioner, the air conditioner including a communication module, the device including:
The acquisition module is used for acquiring indoor environment temperature and outdoor environment temperature under the condition of receiving a shutdown instruction;
The determining module is used for determining whether the air conditioner meets a self-cleaning condition according to the indoor environment temperature and the outdoor environment temperature;
The control module is used for controlling the communication module to acquire the ambient humidity of the position where the air conditioner is located under the condition that the air conditioner meets the self-cleaning condition;
the control module is also used for executing corresponding self-cleaning operation according to the ambient humidity so as to clean the evaporator.
According to the self-cleaning control device for the air conditioner, the determining module can determine whether the air conditioner meets the self-cleaning condition through the indoor environment temperature and the outdoor environment temperature, so that the control module obtains the environment humidity of the place where the air conditioner is located under the condition that the air conditioner meets the self-cleaning condition, and performs corresponding self-cleaning operation according to the environment humidity to clean the evaporator. The device can be used for executing corresponding self-cleaning operation according to the ambient humidity under the condition that the air conditioner meets the self-cleaning condition, so that the evaporator can be cleaned in time, the pollution to the evaporator caused by excessive dust is avoided, the refrigerating efficiency of the air conditioner can be improved, and the refrigerating effect is ensured.
In an alternative embodiment, the determining module is further configured to determine that the air conditioner meets a self-cleaning condition when a difference between the outdoor ambient temperature and the indoor ambient temperature reaches a preset temperature threshold.
In a third aspect, the present invention provides an air conditioner comprising a controller and a communication module, the controller being executable by a computer program to implement the method of any of the preceding embodiments.
In a fourth aspect, the present invention provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method according to any of the preceding embodiments.
Drawings
Fig. 1 is a schematic block diagram of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of an air conditioner self-cleaning control method according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of another method for controlling self-cleaning of an air conditioner according to an embodiment of the present invention;
fig. 4 is a schematic flow chart of another method for controlling self-cleaning of an air conditioner according to an embodiment of the present invention;
fig. 5 is a schematic flow chart of another method for controlling self-cleaning of an air conditioner according to an embodiment of the present invention;
fig. 6 is a functional block diagram of an air conditioner self-cleaning control device according to an embodiment of the present invention.
Reference numerals illustrate:
10-an air conditioner; 100-a controller; 110-a communication module; 120-an ambient temperature acquisition device; 130-a fan; 140-an evaporator; 200-an acquisition module; 210-a determination module; 220-control module.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
Referring to fig. 1, a block diagram of an air conditioner 10 according to an embodiment of the invention is shown, where the air conditioner 10 includes a controller 100, a communication module 110, an ambient temperature acquisition device 120, a fan 130, and an evaporator 140.
The controller 100 is connected to the communication module 110, the ambient temperature collecting device 120, and the blower 130 is connected to the evaporator 140.
Optionally, the controller 100 is configured to receive data sent by the communication module 110 and the ambient temperature acquisition device 120, and control the operation of the air conditioner.
Alternatively, the communication module 110 may be a wifi module, a bluetooth module, or the like, and the communication module 110 may be configured to obtain an IP address of a location of the air conditioner by means of networking, bluetooth transmission, or the like, and obtain the air humidity of the location of the air conditioner according to the IP address.
Optionally, the environmental temperature collection device 120 may include an indoor environmental temperature collection device and an outdoor environmental temperature collection device, where the indoor environmental temperature collection device may be disposed on an indoor unit of the air conditioner, for collecting an indoor environmental temperature value; the outdoor environment temperature acquisition device can be arranged on an outdoor unit of the air conditioner and is used for acquiring an outdoor environment temperature value.
Alternatively, the ambient temperature acquisition device 120 may be an ambient temperature sensor.
Alternatively, the blower 130 may be connected to a fan blade, and may switch different wind speeds during operation of the air conditioner.
Optionally, the evaporator 140 is used for utilizing liquid low-temperature refrigerant to be easily evaporated under low pressure, converted into vapor and absorbing heat of the cooled medium for refrigeration purposes.
Optionally, the embodiment of the application further provides a computer readable storage medium, on which a computer program is stored, and when the computer program is executed by the controller, the self-cleaning control method of the air conditioner provided by the embodiment of the application can be implemented.
Next, the self-cleaning control method of the air conditioner according to the embodiment of the present invention will be described by way of example with reference to the air conditioner 10 in fig. 1 as an execution subject, and specifically, fig. 2 is a schematic flow chart of the self-cleaning control method of the air conditioner according to the embodiment of the present invention, and please refer to fig. 2, wherein the method includes:
step S20, under the condition of receiving a shutdown instruction, acquiring indoor environment temperature and outdoor environment temperature;
Optionally, the shutdown instruction is used for instructing the air conditioner to shutdown, and the shutdown instruction may be an instruction sent by a user through an intelligent terminal such as a remote controller or a mobile phone, or an instruction obtained when the air conditioner meets a preset shutdown condition.
In this embodiment, after the air conditioner obtains the shutdown instruction, the indoor environment temperature acquisition device and the outdoor environment temperature acquisition device may send an environment temperature request instruction to the indoor environment temperature acquisition device and the outdoor environment temperature acquisition device, respectively, so that the indoor environment temperature acquisition device and the outdoor environment temperature acquisition device send the indoor environment temperature and the outdoor environment temperature to the controller of the air conditioner under the condition that the indoor environment temperature acquisition device and the outdoor environment temperature acquisition device receive the environment temperature request instruction.
Step S21, determining whether the air conditioner meets self-cleaning conditions according to the indoor environment temperature and the outdoor environment temperature;
Step S22, under the condition that the air conditioner meets the self-cleaning condition, the communication module is controlled to acquire the ambient humidity of the position of the air conditioner;
In one possible implementation manner, the air conditioner can automatically control the communication module to acquire the ambient humidity of the position where the air conditioner is located under the condition that the air conditioner determines that the air conditioner meets the self-cleaning condition; in another possible implementation manner, the air conditioner may send a reminding signal to the user when determining that the air conditioner meets the self-cleaning condition, so as to prompt the user to perform self-cleaning of the air conditioner at the moment, and control the communication module to obtain the ambient humidity of the position where the air conditioner is located when receiving the self-cleaning instruction sent by the user.
Optionally, the air conditioner can remind the user that the air conditioner can be cleaned by the means of voice prompt, indication lamp lighting, intelligent equipment or remote controller prompt. For example, the air conditioner may send a self-cleaning prompt signal to an intelligent device or a remote controller communicatively connected to the air conditioner when it is determined that the air conditioner itself satisfies the self-cleaning condition, so that the intelligent device or the remote controller alerts a user through a pop-up window or the like.
Optionally, the communication module may first obtain an IP address of the location of the air conditioner, and then obtain, according to the IP address, an ambient humidity published by the local meteorological office, where the ambient humidity is the ambient humidity of the location of the air conditioner.
Step S23, corresponding self-cleaning operation is performed according to the ambient humidity to clean the evaporator.
Alternatively, the air conditioner may determine a self-cleaning operation that should be currently performed according to the acquired ambient humidity, thereby performing a corresponding self-cleaning operation to clean the evaporator.
According to the self-cleaning control method for the air conditioner, whether the air conditioner meets the self-cleaning condition or not can be determined through the indoor environment temperature and the outdoor environment temperature, so that the environment humidity of the place where the air conditioner is located is obtained under the condition that the air conditioner meets the self-cleaning condition, corresponding self-cleaning operation is executed according to the environment humidity, and the evaporator is cleaned. The method can execute corresponding self-cleaning operation according to the ambient humidity under the condition that the air conditioner meets the self-cleaning condition, so that the evaporator can be cleaned in time, the pollution to the evaporator caused by excessive dust is avoided, the refrigeration efficiency of the air conditioner can be improved, and the refrigeration effect is ensured.
Alternatively, when the air conditioner is self-cleaned, the surface of the evaporator can be frosted firstly, and then the surface of the evaporator is frosted to generate condensed water, so that dust on the evaporator is adsorbed in the condensed water, and the dust is discharged to the outside along with the condensed water through the drain pipe.
On this basis, considering that the difference between the indoor and outdoor environments affects the condensing capacity of the air conditioner, that is, when the difference between the indoor and outdoor environments is small, the condensing capacity of the air conditioner is weak, and if the evaporator surface is required to be frosted, the air conditioner needs to be increased to apply work, and a large amount of resources are consumed, so that in order to avoid the large amount of resource loss of the air conditioner, a temperature threshold value can be set in the air conditioner in advance, and the self-cleaning condition can include that the difference between the indoor and outdoor environments reaches the temperature threshold value.
Specifically, the above step S21 may also be implemented by:
and under the condition that the difference value between the outdoor environment temperature and the indoor environment temperature reaches a preset temperature threshold value, determining that the air conditioner meets the self-cleaning condition.
Alternatively, the preset temperature threshold may be determined according to the local environment in which the air conditioner is located, for example, ambient humidity, ambient temperature, and the like. In one possible implementation, the preset temperature threshold may be 8 ℃.
It can be understood that if the difference between the outdoor environment temperature and the indoor environment temperature reaches the preset temperature threshold, it is indicated that the air conditioner meets the self-cleaning condition.
Optionally, a time threshold may be stored in the air conditioner in advance, and the self-cleaning condition may further include that a time interval from the current time to the time when the air conditioner performs self-cleaning last time reaches the time threshold. It can be understood that in this case, the air conditioner determines that the air conditioner satisfies the self-cleaning condition when the difference between the outdoor ambient temperature and the indoor ambient temperature reaches the preset temperature threshold and the time interval between the current time and the time when the air conditioner performs self-cleaning last time reaches the time threshold.
Alternatively, the time threshold may be set by the user according to actual needs. In one possible implementation, the time threshold may be one month.
Alternatively, since the condensing effect of the air conditioner is also affected to some extent by the ambient humidity, the corresponding self-cleaning operation may be determined for different ambient humidities. For example, a humidity threshold value may be set in advance so that a self-cleaning operation that should be performed at this time is determined from a relationship between the humidity threshold value and the acquired ambient humidity.
In one possible implementation manner, if the ambient humidity reaches the humidity threshold, it is indicated that the frost condensation capability of the air conditioner is stronger at this time, so that the frost condensation on the surface of the evaporator can be directly implemented through the cooling operation. Specifically, fig. 3 is another flow chart of the self-cleaning control method of the air conditioner according to the embodiment of the present invention, please refer to fig. 3, and the step S23 may be implemented by:
Step S23-1, controlling the air conditioner to operate for a first refrigeration time period according to a first refrigeration temperature under the condition that the ambient humidity reaches a humidity threshold value so as to enable the surface of the evaporator to be frosted;
Optionally, the first cooling temperature and the first cooling duration may be temperatures and durations set in advance by a user according to actual requirements. In one possible implementation, the first refrigeration temperature may be 24 ℃ and the first refrigeration run time may be 30 minutes. Optionally, the rotation speed of the fan is not adjusted at this time, and the fan is controlled to keep the original rotation speed to run.
And S23-2, after the air conditioner is controlled to operate for a first refrigerating time period, controlling the air conditioner to execute defrosting operation so as to enable the surface of the evaporator to generate condensed water and discharge the condensed water so as to clean the evaporator.
It can be appreciated that when the air conditioner operates at the first cooling temperature for the first cooling period, the evaporator surface frost is considered to be completed at this time, and the air conditioner can be controlled to perform the defrosting operation at this time.
Alternatively, the air conditioner may perform defrosting according to a first defrosting temperature set in advance, and during defrosting, the evaporator surface may generate condensed water to adsorb dust, and then be discharged through the condensation pipe, so as to achieve self-cleaning of the air conditioner. In one possible implementation, the air conditioner may stop defrosting after the first defrosting duration is run.
Alternatively, the first defrosting temperature and the first defrosting duration may be set in advance and stored in the air conditioner. In one possible implementation, the first defrosting temperature may be 24 ℃, and the first defrosting duration may be 10 minutes.
In another possible implementation manner, if the ambient humidity does not reach the humidity threshold, it is indicated that the condensation capacity of the air conditioner is poor at this time, so that the condensation on the surface of the evaporator can be achieved with the aid of adjusting the rotation speed of the blower. Specifically, fig. 4 is another flow chart of the self-cleaning control method of the air conditioner according to the embodiment of the present invention, please refer to fig. 4, and the step S23 may be implemented by:
Step S23-3, when the ambient humidity does not reach the humidity threshold value, controlling the fan to switch to the maximum rotating speed, and controlling the air conditioner to operate for a second refrigerating time period according to a second refrigerating temperature so as to condensate frost on the surface of the evaporator;
Optionally, the rotation speed of the fan in the air conditioner may include a plurality of rotation speeds, and if the ambient humidity does not reach the humidity threshold, the air conditioner may control the rotation speed of the fan to be switched to the maximum rotation speed, so that the fan operates according to the maximum rotation speed, thereby increasing the air intake of the surface of the evaporator and improving the frost condensation capability of the air conditioner.
Optionally, the second cooling temperature and the second cooling duration may be temperatures and durations set in advance by the user according to actual requirements. In one possible implementation, the second cooling temperature may be the same as the first cooling temperature or different from the first cooling temperature, and the second cooling duration may be the same as the first cooling duration or different from the first cooling duration.
And S23-4, after the air conditioner is controlled to operate for a second refrigerating time period, controlling the air conditioner to execute defrosting operation so as to enable the surface of the evaporator to generate condensed water and discharge the condensed water so as to clean the evaporator.
It can be understood that when the air conditioner operates for a second refrigerating period according to the maximum rotation speed of the fan and the second refrigerating temperature, the surface frost of the evaporator is considered to be completed at the moment, and the air conditioner can be controlled to perform defrosting operation at the moment.
Alternatively, the air conditioner may defrost according to a second defrosting temperature set in advance, and during defrosting, the evaporator surface may generate condensed water to adsorb dust, and then be discharged through the condensing tube, so as to achieve self-cleaning of the air conditioner. In one possible implementation, the air conditioner may stop defrosting after the second defrosting duration is run.
Alternatively, the second defrosting temperature and the second defrosting duration may be set in advance and stored in the air conditioner. In one possible implementation, the second defrosting temperature may be the same as the first defrosting temperature or may be different from the first defrosting temperature, and the second defrosting duration may be the same as the first defrosting duration or may be different from the first defrosting duration.
According to the self-cleaning control method for the air conditioner, when the ambient humidity does not reach the humidity threshold, the fan is controlled to be switched to the maximum rotating speed, the air conditioner is controlled to operate for a second refrigerating time according to the second refrigerating temperature so that frost is formed on the surface of the evaporator, and then the air conditioner is controlled to execute defrosting operation so that the surface of the evaporator generates condensed water and is discharged, so that self-cleaning of the air conditioner is achieved.
Optionally, because there may be a condition that the communication module is disconnected or disconnected, the communication module cannot obtain the ambient humidity at this time, so in order to better realize self-cleaning of the air conditioner under this condition, the air conditioner may determine the target rotation speed of the fan according to the indoor ambient temperature and the outdoor ambient temperature, and the target refrigeration temperature and the target refrigeration duration of the air conditioner, so as to realize self-cleaning of the evaporator.
Specifically, fig. 5 is another schematic flow chart of a self-cleaning method of an air conditioner according to an embodiment of the present invention, please refer to fig. 5, and the method further includes:
Step S10, if the communication module cannot acquire the ambient humidity of the position where the air conditioner is located, determining a target rotating speed of the fan, a target refrigerating temperature of the air conditioner and a target refrigerating time according to the indoor ambient temperature and the outdoor ambient temperature;
Optionally, the target rotation speed is the rotation speed at which the fan should operate in order to realize frost on the surface of the evaporator in the current environment; the target refrigeration temperature is the refrigeration temperature at which the air conditioner should operate in order to realize the frost condensation on the surface of the evaporator in the current environment; the target refrigeration time is the time that the air conditioner should operate in order to realize the frost on the surface of the evaporator in the current environment.
Step S11, controlling the fan to switch to a target rotating speed, and controlling the air conditioner to operate for a target refrigerating time according to a target refrigerating temperature so as to enable the surface of the evaporator to condensate;
And step S12, after controlling the air conditioner to operate for the target refrigerating time, controlling the air conditioner to execute defrosting operation so as to enable the surface of the evaporator to generate condensed water and discharge the condensed water so as to clean the evaporator.
It can be understood that when the air conditioner runs for the target refrigerating time, the frost on the surface of the evaporator is considered to be completed, and the air conditioner can be controlled to execute the defrosting operation.
Alternatively, the air conditioner may perform defrosting according to a preset defrosting temperature, and during defrosting, the evaporator surface may generate condensed water to adsorb dust, and then be discharged through the condensing tube, so as to achieve self-cleaning of the air conditioner. In one possible implementation, the air conditioner may stop defrosting after a previously set defrosting period is run.
Alternatively, since the difference in temperature between the indoor and outdoor environments affects the condensing ability of the air conditioner, the target rotation speed, the target cooling temperature, and the target cooling time period may be determined according to the difference in temperature between the indoor and outdoor environments. Specifically, on the basis of fig. 5, the determining the target rotation speed of the fan, the target cooling temperature of the air conditioner and the target cooling duration according to the indoor environment temperature and the outdoor environment temperature in the step S10 may further be implemented by the following steps:
If the difference value between the outdoor environment temperature and the indoor environment temperature is larger than or equal to the preset first environment temperature difference value and smaller than the preset second environment temperature difference value, determining that the target rotating speed of the fan is the first rotating speed, the target refrigerating temperature of the air conditioner is the third refrigerating temperature, and the target refrigerating duration is the third refrigerating duration;
Optionally, the preset first ambient temperature difference value and the second ambient temperature difference value may be adaptively set by the user according to an environmental factor of the location of the air conditioner.
In this embodiment, if the difference between the outdoor ambient temperature and the indoor ambient temperature is greater than or equal to the first ambient temperature difference and less than the second ambient temperature difference, the target rotation speed is determined to be the first rotation speed, the target refrigeration temperature is the third refrigeration temperature, and the target refrigeration duration is the third refrigeration duration. Optionally, the third cooling temperature and the third cooling duration may be set according to actual requirements, and in a possible implementation manner, the third cooling temperature may be the same as or different from the first cooling temperature or the second cooling temperature, and the third cooling duration may be the same as or different from the first cooling duration or the second cooling duration.
Optionally, when the target rotation speed is the first rotation speed, the target refrigeration temperature is the third refrigeration temperature, and the target refrigeration duration is the third refrigeration duration, the air conditioner can defrost according to the third defrosting temperature, and during defrosting, the surface of the evaporator can generate condensed water so as to adsorb dust, and then the dust is discharged through the condensing tube, so that the self-cleaning of the air conditioner is realized. In one possible implementation, the air conditioner may stop defrosting after the third defrosting duration is run.
It will be appreciated that the third defrosting temperature may be the same as or different from the first defrosting temperature or the second defrosting temperature, and the third defrosting duration may be the same as or different from the first defrosting duration or the second defrosting duration.
If the difference value between the outdoor environment temperature and the indoor environment temperature is larger than or equal to the second environment temperature difference value and smaller than the preset third environment temperature difference value, determining that the target rotating speed of the fan is the second rotating speed, the target refrigerating temperature of the air conditioner is the fourth refrigerating temperature, and the target refrigerating duration is the fourth refrigerating duration;
Optionally, the preset third ambient temperature difference may be adaptively set by the user according to an environmental factor of the location of the air conditioner.
In this embodiment, if the difference between the outdoor ambient temperature and the indoor ambient temperature is greater than or equal to the second ambient temperature difference and less than the third ambient temperature difference, the target rotation speed is determined to be the second rotation speed, the target refrigeration temperature is the fourth refrigeration temperature, and the target refrigeration duration is the fourth refrigeration duration.
Optionally, the fourth cooling temperature and the fourth cooling duration may be set according to actual requirements, and in a possible implementation manner, the fourth cooling temperature may be the same as or different from the first cooling temperature, the second cooling temperature, or the third cooling duration, and the third cooling duration may be the same as or different from the first cooling duration, the second cooling duration, or the third cooling duration.
Optionally, when the target rotation speed is the second rotation speed, the target refrigeration temperature is the fourth refrigeration temperature, and the target refrigeration duration is the fourth refrigeration duration, the air conditioner can defrost according to the fourth defrosting temperature, and during defrosting, the surface of the evaporator can generate condensed water so as to adsorb dust, and then the dust is discharged through the condensing tube, so that the self-cleaning of the air conditioner is realized. In one possible implementation, the air conditioner may stop defrosting after the fourth defrosting duration is run.
It will be appreciated that the fourth defrosting temperature may be the same as, or different from, the first defrosting temperature, the second defrosting temperature, or the third defrosting temperature, and the fourth defrosting duration may be the same as, or different from, the first defrosting duration, the second defrosting duration, or the third defrosting duration.
If the difference value between the outdoor environment temperature and the indoor environment temperature is greater than or equal to the third environment temperature difference value, determining that the target rotating speed of the fan is the third rotating speed, the target refrigerating temperature of the air conditioner is the fifth refrigerating temperature, and the target refrigerating duration is the fifth refrigerating duration;
Wherein the first rotational speed is greater than the second rotational speed and greater than the third rotational speed.
In this embodiment, if the difference between the outdoor ambient temperature and the indoor ambient temperature is greater than or equal to the third ambient temperature difference, the target rotation speed is determined to be the third rotation speed, the target refrigeration temperature is the fifth refrigeration temperature, and the target refrigeration duration is the fifth refrigeration duration.
Optionally, the fifth cooling temperature and the fifth cooling duration may be set according to actual requirements, and in a possible implementation manner, the fifth cooling temperature may be the same as or different from the first cooling temperature, the second cooling temperature, the third cooling duration, or the fourth cooling duration, and the third cooling duration may be the same as or different from the first cooling duration, the second cooling duration, the third cooling duration, or the fourth cooling duration.
Optionally, when the target rotation speed is the third rotation speed, the target refrigeration temperature is the fifth refrigeration temperature, and the target refrigeration duration is the fifth refrigeration duration, the air conditioner can defrost according to the fifth defrosting temperature, and during defrosting, the surface of the evaporator can generate condensed water so as to adsorb dust, and then the dust is discharged through the condensing tube, so that the self-cleaning of the air conditioner is realized. In one possible implementation, the air conditioner may stop defrosting after the fifth defrosting duration is run.
It is understood that the fifth defrosting temperature may be the same as or different from the first defrosting temperature, the second defrosting temperature, the third defrosting temperature, or the fourth defrosting temperature, and the fifth defrosting duration may be the same as or different from the first defrosting duration, the second defrosting duration, the third defrosting duration, or the fourth defrosting duration.
It is understood that the first ambient temperature difference is less than the second ambient temperature difference and less than the third ambient temperature difference. In one possible implementation, the first ambient temperature difference may be the same as the preset temperature threshold described above. In one example, the first ambient temperature difference may be 8 ℃, the second ambient temperature difference may be 10 ℃, and the third ambient temperature difference may be 12 ℃.
In one example, when the air conditioner is judged, whether the difference between the outdoor environment temperature and the indoor environment temperature is larger than or equal to a preset first environment temperature difference and smaller than a preset second environment temperature difference can be judged first, if yes, the target rotating speed of the fan is determined to be the first rotating speed, the target refrigerating temperature of the air conditioner is determined to be the third refrigerating temperature, the target refrigerating duration is determined to be the third refrigerating duration, and if not, the air conditioner judges whether the difference between the outdoor environment temperature and the indoor environment temperature is larger than or equal to the second environment temperature difference and smaller than the preset third environment temperature difference.
If yes, determining that the target rotating speed of the fan is the second rotating speed, the target refrigerating temperature of the air conditioner is the fourth refrigerating temperature, and the target refrigerating time length is the fourth refrigerating time length, and if not, determining that the target rotating speed of the fan is the third rotating speed, the target refrigerating temperature of the air conditioner is the fifth refrigerating temperature, and the target refrigerating time length is the fifth refrigerating time length.
Optionally, the first rotation speed may be a larger rotation speed of the fan rotation speed, and correspondingly, a larger air volume may be generated; the second rotating speed can be a medium rotating speed in the rotating speeds of the fans, and correspondingly, the medium air quantity can be generated; the third rotational speed may be a smaller rotational speed of the fan rotational speed, and correspondingly may generate a smaller air volume. The first rotation speed, the second rotation speed and the third rotation speed can be specifically determined according to the model of the air conditioner.
In one example, if the fan speed is divided into 5 levels, namely, a maximum speed, a larger speed, a middle speed, a smaller speed and a minimum speed, the first speed may be set to be the maximum speed, the second speed may be the middle speed, and the third speed may be the minimum speed according to actual requirements.
Optionally, since the first rotation speed is greater than the second rotation speed and greater than the third rotation speed, the air conditioner can determine that the target rotation speed is a greater rotation speed when the difference between the outdoor environment temperature and the indoor environment temperature is in a smaller range, so that when the condensation capacity of the air conditioner is weaker, the frost condensation capacity of the surface of the evaporator is ensured by increasing the air inlet quantity of the surface of the evaporator, and when the difference between the outdoor environment temperature and the indoor environment temperature is in a larger range, the target rotation speed is determined to be a smaller rotation speed, thereby realizing the frost condensation of the evaporator and simultaneously ensuring that excessive air conditioner resources are not consumed when the condensation capacity of the air conditioner is stronger.
In order to perform the respective steps of the above embodiments and of the various possible ways, an implementation of a self-cleaning control device for an air conditioner is given below. Further, referring to fig. 6, fig. 6 is a functional block diagram of an air conditioner self-cleaning control device according to an embodiment of the invention. It should be noted that, the basic principle and the technical effects of the self-cleaning control device for air conditioner provided in this embodiment are the same as those of the above embodiment, and for brevity, reference should be made to the corresponding contents in the above embodiment. The self-cleaning control device of the air conditioner comprises: an acquisition module 200, a determination module 210, and a control module 220.
The obtaining module 200 is configured to obtain an indoor environment temperature and an outdoor environment temperature when a shutdown instruction is received;
it is understood that the obtaining module 200 may be configured to perform the step S20 described above;
the determining module 210 is configured to determine whether the air conditioner satisfies a self-cleaning condition according to an indoor environment temperature and an outdoor environment temperature;
it is understood that the determining module 210 may be configured to perform the step S21 described above;
The control module 220 is configured to control the communication module to obtain an ambient humidity of a location where the air conditioner is located when the air conditioner satisfies a self-cleaning condition;
it is understood that the control module 220 may be configured to perform the step S22 described above;
the control module 220 is further configured to perform a corresponding self-cleaning operation according to the ambient humidity, so as to clean the evaporator.
It is understood that the control module 220 may also be used to perform the above step S23.
Optionally, the determining module 210 is further configured to determine that the air conditioner satisfies the self-cleaning condition when the difference between the outdoor ambient temperature and the indoor ambient temperature reaches a preset temperature threshold.
Optionally, the control module 220 is further configured to control the air conditioner to operate at the first refrigeration temperature for a first refrigeration period to cause frost on the surface of the evaporator when the ambient humidity reaches the humidity threshold; after the air conditioner is controlled to operate for a first refrigerating time period, the air conditioner is controlled to execute defrosting operation so that condensed water is generated on the surface of the evaporator and discharged, and the evaporator is cleaned.
It is understood that the control module 220 may also be used to perform the steps S23-1 through S23-2 described above.
Optionally, the control module 220 is further configured to control the fan to switch to a maximum rotation speed and control the air conditioner to operate for a second refrigeration period according to a second refrigeration temperature so as to condense frost on the surface of the evaporator when the ambient humidity does not reach the humidity threshold; and after the air conditioner is controlled to operate for a second refrigerating time period, controlling the air conditioner to execute defrosting operation so as to enable the surface of the evaporator to generate condensed water and discharge the condensed water so as to clean the evaporator.
It will be appreciated that the control module 220 may also be used to perform steps S23-3 through S23-4 described above.
Optionally, the control module is further configured to determine a target rotation speed of the fan, a target refrigeration temperature of the air conditioner, and a target refrigeration duration according to the indoor environment temperature and the outdoor environment temperature if the communication module cannot acquire the ambient humidity of the position where the air conditioner is located; the fan is controlled to be switched to a target rotating speed, and the air conditioner is controlled to operate for a target refrigerating time according to a target refrigerating temperature so as to enable the surface of the evaporator to be frosted; after controlling the air conditioner to operate for a target refrigerating time period, controlling the air conditioner to execute defrosting operation so as to enable the surface of the evaporator to generate condensed water and discharge the condensed water so as to clean the evaporator.
It will be appreciated that the control module 220 may also be used to perform steps S10-S12 described above.
Optionally, the control module 220 is further configured to determine that the target rotation speed of the fan is the first rotation speed, the target refrigeration temperature of the air conditioner is the third refrigeration temperature, and the target refrigeration duration is the third refrigeration duration if the difference between the outdoor ambient temperature and the indoor ambient temperature is greater than or equal to a preset first ambient temperature difference and less than a preset second ambient temperature difference; if the difference value between the outdoor environment temperature and the indoor environment temperature is larger than or equal to the second environment temperature difference value and smaller than the preset third environment temperature difference value, determining that the target rotating speed of the fan is the second rotating speed, the target refrigerating temperature of the air conditioner is the fourth refrigerating temperature, and the target refrigerating duration is the fourth refrigerating duration; if the difference value between the outdoor environment temperature and the indoor environment temperature is greater than or equal to the third environment temperature difference value, determining that the target rotating speed of the fan is the third rotating speed, the target refrigerating temperature of the air conditioner is the fifth refrigerating temperature, and the target refrigerating duration is the fifth refrigerating duration; wherein the first rotational speed is greater than the second rotational speed and greater than the third rotational speed.
According to the self-cleaning control device for the air conditioner, the determining module can determine whether the air conditioner meets the self-cleaning condition through the indoor environment temperature and the outdoor environment temperature, so that the control module obtains the environment humidity of the place where the air conditioner is located under the condition that the air conditioner meets the self-cleaning condition, and performs corresponding self-cleaning operation according to the environment humidity to clean the evaporator. The device can be used for executing corresponding self-cleaning operation according to the ambient humidity under the condition that the air conditioner meets the self-cleaning condition, so that the evaporator can be cleaned in time, the pollution to the evaporator caused by excessive dust is avoided, the refrigerating efficiency of the air conditioner can be improved, and the refrigerating effect is ensured.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.

Claims (5)

1. An air conditioner self-cleaning control method is characterized by being applied to an air conditioner, wherein the air conditioner comprises a communication module, and the method comprises the following steps:
Under the condition of receiving a shutdown instruction, acquiring indoor environment temperature and outdoor environment temperature;
Determining whether the air conditioner meets a self-cleaning condition according to the indoor environment temperature and the outdoor environment temperature;
The determining whether the air conditioner meets the self-cleaning condition according to the indoor environment temperature and the outdoor environment temperature comprises the following steps:
determining that the air conditioner meets a self-cleaning condition when a difference value between the outdoor environment temperature and the indoor environment temperature reaches a preset temperature threshold value and a time interval between a current time and a time when the air conditioner performs self-cleaning last time reaches a time threshold value;
controlling the communication module to acquire the ambient humidity of the position of the air conditioner under the condition that the air conditioner meets the self-cleaning condition;
Performing a corresponding self-cleaning operation according to the ambient humidity to clean the evaporator;
The method for performing corresponding self-cleaning operation according to the ambient humidity to clean the evaporator comprises the following steps:
Controlling the air conditioner to operate for a first refrigeration time period according to a first refrigeration temperature under the condition that the ambient humidity reaches a humidity threshold value so as to enable the surface of the evaporator to be frosted;
after controlling the air conditioner to operate for a first refrigerating time period, controlling the air conditioner to execute defrosting operation so as to enable the surface of the evaporator to generate condensed water and discharge the condensed water so as to clean the evaporator;
Under the condition that the ambient humidity does not reach the humidity threshold value, controlling the fan to be switched to the maximum rotating speed, and controlling the air conditioner to operate for a second refrigerating time period according to a second refrigerating temperature so as to enable the surface of the evaporator to be frosted;
after controlling the air conditioner to operate for a second refrigerating time period, controlling the air conditioner to execute defrosting operation so as to enable the surface of the evaporator to generate condensed water and discharge the condensed water so as to clean the evaporator;
If the communication module cannot acquire the ambient humidity of the position where the air conditioner is located, determining a target rotating speed of a fan, a target refrigerating temperature of the air conditioner and a target refrigerating time according to the indoor ambient temperature and the outdoor ambient temperature;
Controlling the fan to be switched to the target rotating speed, and controlling the air conditioner to operate for a target refrigerating time according to the target refrigerating temperature so as to enable the surface of the evaporator to be frosted;
And after controlling the air conditioner to operate for the target refrigerating time, controlling the air conditioner to execute defrosting operation so as to enable the surface of the evaporator to generate condensed water and discharge the condensed water so as to clean the evaporator.
2. The method of claim 1, wherein the determining a target rotational speed of a blower, a target cooling temperature, and a target cooling duration from the indoor ambient temperature and the outdoor ambient temperature comprises:
If the difference value between the outdoor environment temperature and the indoor environment temperature is larger than or equal to a preset first environment temperature difference value and smaller than a preset second environment temperature difference value, determining that the target rotating speed of the fan is the first rotating speed, the target refrigerating temperature of the air conditioner is the third refrigerating temperature, and the target refrigerating duration is the third refrigerating duration;
if the difference value between the outdoor environment temperature and the indoor environment temperature is larger than or equal to the second environment temperature difference value and smaller than a preset third environment temperature difference value, determining that the target rotating speed of the fan is the second rotating speed, the target refrigerating temperature of the air conditioner is the fourth refrigerating temperature, and the target refrigerating duration is the fourth refrigerating duration;
If the difference value between the outdoor environment temperature and the indoor environment temperature is greater than or equal to the third environment temperature difference value, determining that the target rotating speed of the fan is the third rotating speed, the target refrigerating temperature of the air conditioner is the fifth refrigerating temperature, and the target refrigerating duration is the fifth refrigerating duration;
Wherein the first rotational speed is greater than the second rotational speed is greater than the third rotational speed.
3. An air conditioner self-cleaning control device, characterized in that is applied to the air conditioner, the air conditioner includes communication module, the device includes:
The acquisition module is used for acquiring indoor environment temperature and outdoor environment temperature under the condition of receiving a shutdown instruction;
The determining module is used for determining whether the air conditioner meets a self-cleaning condition according to the indoor environment temperature and the outdoor environment temperature;
The determining module is further configured to determine that the air conditioner satisfies a self-cleaning condition when a difference between the outdoor ambient temperature and the indoor ambient temperature reaches a preset temperature threshold and a time interval between a current time and a time when the air conditioner performs self-cleaning last time reaches a time threshold;
The control module is used for controlling the communication module to acquire the ambient humidity of the position where the air conditioner is located under the condition that the air conditioner meets the self-cleaning condition;
the control module is also used for executing corresponding self-cleaning operation according to the ambient humidity so as to clean the evaporator;
The control module is further used for controlling the air conditioner to operate for a first refrigeration time period according to a first refrigeration temperature under the condition that the ambient humidity reaches a humidity threshold value so as to enable the surface of the evaporator to be frosted; after controlling the air conditioner to operate for a first refrigerating time period, controlling the air conditioner to execute defrosting operation so as to enable the surface of the evaporator to generate condensed water and discharge the condensed water so as to clean the evaporator;
The control module is further used for controlling the fan to be switched to the maximum rotating speed under the condition that the ambient humidity does not reach the humidity threshold value, and controlling the air conditioner to operate for a second refrigerating time period according to a second refrigerating temperature so as to enable the surface of the evaporator to be frosted; after controlling the air conditioner to operate for a second refrigerating time period, controlling the air conditioner to execute defrosting operation so as to enable the surface of the evaporator to generate condensed water and discharge the condensed water so as to clean the evaporator;
The control module is further configured to determine a target rotation speed of the fan, a target refrigeration temperature of the air conditioner, and a target refrigeration duration according to the indoor environment temperature and the outdoor environment temperature if the communication module cannot acquire the ambient humidity of the position where the air conditioner is located; controlling the fan to be switched to the target rotating speed, and controlling the air conditioner to operate for a target refrigerating time according to the target refrigerating temperature so as to enable the surface of the evaporator to be frosted; and after controlling the air conditioner to operate for the target refrigerating time, controlling the air conditioner to execute defrosting operation so as to enable the surface of the evaporator to generate condensed water and discharge the condensed water so as to clean the evaporator.
4. An air conditioner comprising a controller and a communication module, the controller being executable by a computer program to implement the method of any one of claims 1-2.
5. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed by a controller, implements the method according to any of claims 1-2.
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