WO2023236570A1

WO2023236570A1 - Method and apparatus for controlling air conditioner, air conditioner and storage medium

Info

Publication number: WO2023236570A1
Application number: PCT/CN2023/075158
Authority: WO
Inventors: 秦玲; 王贵新; 徐永伟
Original assignee: 青岛海尔空调器有限总公司; 青岛海尔空调电子有限公司; 海尔智家股份有限公司
Priority date: 2022-06-09
Filing date: 2023-02-09
Publication date: 2023-12-14
Also published as: CN115127229A

Abstract

The present application relates to the technical field of intelligent household appliances, and provides a method for controlling an air conditioner. The air conditioner is provided with a spraying device. The method comprises: under the condition that a heat exchanger of the air conditioner has a cleaning requirement, controlling the air conditioner to start a cooling operation until a condensate layer is formed on the surface of the heat exchanger; controlling the spraying device to spray a cleaning medium to the condensate layer; and after a preset staying duration, controlling the air conditioner to start to operate in a self-cleaning mode. According to the present application, the air conditioner is controlled to conduct a cooling operation, such that a condensate layer is formed on the surface of the heat exchanger, then the spraying device of the air conditioner is controlled to spray the cleaning medium to the condensate layer, and the cleaning medium stays for a period of time, such that the cleaning medium is fully mixed with the condensate layer, and oil stains attached to the surface of the heat exchanger are fully dissolved in the condensate layer. In this way, in the process that the air conditioner operates in the self-cleaning mode, the condensate layer can take away oil stains attached to the surface of the heat exchanger, and effective cleaning of the heat exchanger of the air conditioner is achieved. Also disclosed in the present application are an apparatus for controlling an air conditioner, the air conditioner and a storage medium.

Description

Method and device for controlling air conditioner, air conditioner, storage medium

This application is filed based on a Chinese patent application with application number 202210645483.5 and a filing date of June 9, 2022, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby incorporated by reference into this application.

Technical field

This application relates to the technical field of smart home appliances, for example, to a method and device for controlling air conditioners, air conditioners, and storage media.

Background technique

In recent years, with the continuous improvement of people's living standards, the requirements for the comfort of the indoor environment are getting higher and higher. Gradually, in order to improve the comfort of home life, users have installed air conditioners not only in spaces such as living rooms and bedrooms, but also in kitchens, restaurants and other spaces. However, after the air conditioner is used for a period of time, dirt will accumulate on the air conditioner filter, heat exchanger surface, etc., which not only affects the air quality in the indoor environment, but also affects the efficiency of the air conditioner in regulating the indoor environment.

In order to deal with the above-mentioned dirt accumulation problem, some existing air conditioners use self-cleaning procedures to regularly self-clean the heat exchanger of the air conditioner, and some use the method of spraying condensate water into the heat exchanger or air conditioner filter to exchange heat of the air conditioner. Wash and clean the air conditioner or air conditioner filter.

In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in related technologies:

For air conditioners installed in restaurants or kitchens, after using the above cleaning method to clean the heat exchanger, the cooling or heating effect of the air conditioner is still poor. As a result, the user experience after purchasing the air conditioner is not as good as before after using it for a period of time.

Contents of the invention

In order to provide a basic understanding of some aspects of the disclosed embodiments, a simplified summary is provided below. This summary is not intended to be a general review, nor is it intended to identify key/important elements or delineate the scope of the embodiments, but is intended to serve as a prelude to the detailed description that follows.

Embodiments of the present disclosure provide a method and device for controlling an air conditioner, an air conditioner, and a storage medium to effectively clean the oil and dirt attached to the surface of the heat exchanger, thereby ensuring the cooling or heating effect of the cleaned air conditioner.

In some embodiments, the method for controlling the air conditioner is configured with a spray device; the method for controlling the air conditioner includes: when the heat exchanger of the air conditioner needs to be cleaned, controlling the air conditioner to start the refrigeration operation until the heat exchanger is replaced. A condensation layer forms on the surface of the heater; control the spray device to spray the cleaning medium to the condensation layer; after the preset residence time, control the air Turn on the self-cleaning mode.

In some embodiments, controlling the air conditioner to start cooling operation until a condensation layer is formed on the surface of the heat exchanger includes: controlling the air conditioner to continue operating at a preset cooling temperature for a target duration to form a condensation layer on the surface of the heat exchanger.

In some embodiments, the target duration is determined in the following manner: obtaining the indoor ambient humidity and detecting the current temperature of the heat exchanger; and determining the target duration for the air conditioner to continue cooling operation based on the indoor ambient humidity and the current temperature.

In some embodiments, controlling the air conditioner to start operating in the self-cleaning mode includes: controlling the fan of the air conditioner to stop running, and controlling the air conditioner to continue cooling operation until frost forms on the surface of the heat exchanger; and controlling the air conditioner after frost forms on the surface of the heat exchanger. Stop the cooling operation and control the fan to run at the first speed; after the preset protection time, control the air conditioner to start the heating operation and control the fan to run at the second speed; wherein the first speed of the fan is greater than the second speed.

In some embodiments, after the self-cleaning mode operation ends, the method for controlling the air conditioner further includes: controlling the water receiving tray of the air conditioner to perform a first drainage operation; and after ending the first drainage operation, controlling the air conditioner to perform a water washing operation.

In some embodiments, controlling the air conditioner to perform a water washing operation includes: controlling a spraying device to spray water on the surface of the heat exchanger to wash the heat exchanger; and during the process of spraying water by the spraying device, controlling the water receiving tray of the air conditioner to perform the first step. Secondary drainage operation.

In some embodiments, controlling the water collecting tray of the air conditioner to perform the second drainage operation includes: obtaining the oil content in the water collecting tray to be drained; and controlling the spraying device to stop sprinkling water when the oil content is less than a reference value.

In some embodiments, the device for controlling air conditioning includes a processor and a memory storing program instructions, wherein the processor executes the above method for controlling air conditioning when running the program instructions.

In some embodiments, the air conditioner includes a spray device and a device for controlling the air conditioner as described above.

In some embodiments, the storage medium stores program instructions, and when the program instructions are run, the above-mentioned method for controlling the air conditioner is executed.

The methods and devices for controlling air conditioners, air conditioners, and storage media provided by embodiments of the present disclosure can achieve the following technical effects:

When the heat exchanger of the air conditioner needs to be cleaned, first control the refrigeration operation of the air conditioner to form a condensation layer on the surface of the heat exchanger, and then control the spray device of the air conditioner to spray the cleaning medium to the condensation layer and leave it there for a period of time. So that the cleaning medium and the condensate layer are fully mixed and the oil stain attached to the surface of the heat exchanger is fully dissolved in the condensate layer; in this way, when the air conditioner is operating in the self-cleaning mode, the condensate layer can take away the surface of the heat exchanger. The attached oil dirt can be effectively cleaned inside the air conditioners installed in restaurants and kitchens, thereby ensuring the cooling or heating effect of the cleaned air conditioners.

The above general description and the following description are exemplary and explanatory only and are not intended to limit the application.

Description of the drawings

One or more embodiments are exemplified by corresponding drawings. These exemplary descriptions and drawings do not constitute limitations to the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements. The drawings are not limited to scale and in which:

Figure 1 is a schematic diagram of a method for controlling air conditioning provided by an embodiment of the present disclosure;

Figure 2 is a schematic diagram of another method for controlling air conditioning provided by an embodiment of the present disclosure;

Figure 3 is a schematic diagram of another method for controlling air conditioning provided by an embodiment of the present disclosure;

Figure 4 is a schematic diagram of another method for controlling air conditioning provided by an embodiment of the present disclosure;

Figure 5 is a schematic diagram of another method for controlling air conditioning provided by an embodiment of the present disclosure;

Figure 6 is a schematic diagram of a device for controlling air conditioning provided by an embodiment of the present disclosure.

Detailed ways

In order to understand the characteristics and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. The attached drawings are for reference only and are not intended to limit the embodiments of the present disclosure. In the following technical description, for convenience of explanation, multiple details are provided to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown simplified to simplify the drawings.

The terms "first", "second", etc. in the description and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that data so used are interchangeable under appropriate circumstances for the purposes of the embodiments of the disclosure described herein. Furthermore, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion.

Unless otherwise stated, the term "plurality" means two or more.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an "or" relationship. For example, A/B means: A or B.

The term "and/or" is an association relationship describing objects, indicating that three relationships can exist. For example, A and/or B means: A or B, or A and B.

The term "correspondence" can refer to an association relationship or a binding relationship. The correspondence between A and B refers to an association relationship or a binding relationship between A and B.

In the embodiments of the present disclosure, smart home appliances refer to home appliances that are formed by introducing microprocessors, sensor technology, and network communication technology into home appliances. They have the characteristics of intelligent control, smart perception, and smart applications. The operation process of smart home appliances often Relying on the application and processing of modern technologies such as the Internet of Things, the Internet, and electronic chips, for example, smart home appliances can be connected to electronic devices to enable users to remotely control and manage smart home appliances.

In the embodiment of the present disclosure, the terminal device refers to an electronic device with a wireless connection function. The terminal device can connect to Connect to the Internet to communicate with the above smart home appliances, or directly communicate with the above smart home appliances through Bluetooth, wifi, etc. In some embodiments, the terminal device is, for example, a mobile device, a computer, or a vehicle-mounted device built into a floating vehicle, or any combination thereof. Mobile devices may include, for example, mobile phones, smart home devices, wearable devices, smart mobile devices, virtual reality devices, etc., or any combination thereof. Wearable devices may include, for example, smart watches, smart bracelets, pedometers, etc.

In embodiments of the present disclosure, the air conditioner is configured with a spray device; the spray device may be used to spray liquid on the surface of the heat exchanger. Optionally, the spraying device may be filled with cleaning medium and configured to spray the cleaning medium to the condensation layer when a condensation layer is formed on the surface of the heat exchanger. Optionally, the spraying device may be filled with water and configured to, when the air conditioner receives a water washing instruction, sprinkle water on the surface of the heat exchanger to perform a water washing operation on the surface of the heat exchanger.

The method for controlling the air conditioner provided by the embodiment of the present disclosure includes: when the heat exchanger of the air conditioner needs to be cleaned, control the air conditioner to start the refrigeration operation until a condensation layer is formed on the surface of the heat exchanger; control the spray device to spray the condensation water Spray the cleaning medium layer by layer; after the preset stay time, control the air conditioner to start the self-cleaning mode.

Optionally, the execution subject that performs the above steps may be an air conditioner, which is a smart home appliance. Specifically, when the heat exchanger has a need to be cleaned, the air conditioner starts the refrigeration operation until a condensation layer forms on the surface of the heat exchanger; when a condensation layer forms on the surface of the heat exchanger, the air conditioner controls the spraying device to spray the water into the condensation layer. Spray the cleaning medium; the air conditioner starts the self-cleaning mode after the preset stay time.

Optionally, the air conditioner may also have an associated server. The server is an intelligent gateway, and the intelligent gateway is connected to the air conditioner for communication. Specifically, when the heat exchanger of the air conditioner needs to be cleaned, the server sends a control instruction to start the refrigeration operation to the air conditioner, so that the air conditioner starts the refrigeration operation until a condensation layer is formed on the surface of the heat exchanger; the server determines that the air conditioner When a condensate layer forms on the surface of the heat exchanger, a control command is sent to the spray device to spray the cleaning medium onto the condensate layer; the server sends a control command to the air conditioner to start the self-cleaning mode after the preset dwell time. , so that the air conditioner starts operating in self-cleaning mode.

Optionally, determine whether the heat exchanger of the air conditioner needs to be cleaned in the following way: obtain the oil content information of the water accumulated in the water receiving tray of the air conditioner; the oil content information indicates that the oil content in the water accumulated in the water receiving tray exceeds the reference value. In this case, it is determined that the heat exchanger of the air conditioner needs to be cleaned.

In the embodiment of the present disclosure, determining whether the heat exchanger of the air conditioner has cleaning requirements can also be determined by detecting the degree of contamination of the heat exchanger in the related art. In one example, determining whether the heat exchanger of the air conditioner has cleaning needs may include: detecting the cooling efficiency of the air conditioner; and when the cooling efficiency is lower than a preset efficiency threshold, determining that the heat exchanger has cleaning needs. In another example, determining whether the heat exchanger of the air conditioner has cleaning needs may include: detecting pressure values on both sides of the heat exchanger of the air conditioner, and when the difference between the pressure values on both sides is less than a preset pressure threshold , determine whether the heat exchanger needs cleaning.

As shown in FIG. 1 , an embodiment of the present disclosure provides a method for controlling air conditioning, including:

S01. When the heat exchanger of the air conditioner needs to be cleaned, control the air conditioner to start cooling operation until a condensation layer forms on the surface of the heat exchanger.

S02. Control the spraying device to spray the cleaning medium to the condensate layer.

S03. After the preset stay time, control the air conditioner to start the self-cleaning mode.

Using the method for controlling the air conditioner provided by the embodiment of the present disclosure, when the heat exchanger of the air conditioner needs to be cleaned, the refrigeration operation of the air conditioner is first controlled to form a condensation layer on the surface of the heat exchanger, and then the spraying of the air conditioner is controlled. The device sprays cleaning medium into the condensate layer and stays there for a period of time so that the cleaning medium and the condensate layer are fully mixed and the oil attached to the surface of the heat exchanger is fully dissolved in the condensate layer; in this way, the air conditioner operates in self-cleaning mode During the process, the condensate layer can take away the oil stains attached to the surface of the heat exchanger, achieving effective cleaning of the interior of the air conditioners installed in restaurants and kitchens, thereby ensuring the cooling or heating effect of the cleaned air conditioners.

Optionally, controlling the air conditioner to start cooling operation until a condensation layer is formed on the surface of the heat exchanger includes: controlling the air conditioner to continue operating at a preset cooling temperature for a target duration to form a condensation layer on the surface of the heat exchanger. Among them, the preset cooling temperature can be selected within a temperature range less than or equal to -5 degrees Celsius. In this way, the air conditioner is controlled to run for a target duration at a cooling temperature less than or equal to -5 degrees Celsius, so that condensation water can be generated on the surface of the heat exchanger to form a condensation layer.

In practical applications, the preset stay time is generally 4 to 6 minutes; specifically, the preset protection time can be selected from 4 minutes, 4.5 minutes, 5 minutes, 5.5 minutes or 6 minutes.

Here, the condensation layer can be used to characterize the water film layer formed by the condensation water condensed on the surface of the heat exchanger and attached to the surface of the heat exchanger.

Optionally, controlling the air conditioner to start cooling operation until a condensation layer is formed on the surface of the heat exchanger may also include: controlling the air conditioner to continue operating at a preset cooling temperature for a target duration, and controlling the fan of the air conditioner to run at a low speed. Specifically, controlling the fan of the air conditioner to run at a low speed may include: the air conditioner information database stores fan speeds of multiple gears; when the heat exchanger of the air conditioner has a cleaning requirement, the air conditioner starts the heat exchanger cleaning mode; in response to The heat exchanger cleaning mode command causes the air conditioner to run at the preset cooling temperature and controls the fan to run at the smallest fan speed among multiple speeds.

Optionally, determine the target duration in the following ways: obtain the indoor ambient humidity and detect the current temperature of the heat exchanger; determine the target duration for the air conditioner to continue cooling operation based on the indoor ambient humidity and current temperature. Wherein, the current temperature of the heat exchanger may be the coil temperature of the heat exchanger detected by the coil temperature sensor.

Optionally, determine the target duration of the air conditioner's continuous cooling operation based on the indoor ambient humidity and current temperature, which may include: obtaining a preset function saved by the air conditioner for calculating the cooling operation duration; inputting the indoor ambient humidity and current temperature into the preset Function to obtain the cooling operation time of an air conditioner; determine the obtained cooling operation time of the air conditioner as the target time.

Optionally, after obtaining the cooling operation time of the air conditioner based on the preset function, it is determined to form condensation on the surface of the heat exchanger. The target duration of the water layer may also include: determining the energy attenuation factor during the cooling operation of the heat exchanger, and determining the product of the cooling operation duration of the air conditioner and the energy attenuation factor based on the preset function as the target duration. The energy attenuation factor may be a preset value. For example, the energy conversion loss of the heat exchanger is 5%, and 95% obtained from 1-5% is used as the value corresponding to the energy attenuation factor.

In this way, the cooling operation time determined by taking into account the indoor ambient humidity can better ensure that the condensation layer can be formed on the surface of the heat exchanger after the air conditioner operates for the target cooling time.

Optionally, controlling the spraying device to spray the cleaning medium to the condensation layer includes: when it is determined that the condensation layer has been formed on the surface of the heat exchanger, controlling the spraying device to spray the cleaning medium to the condensation layer.

Optionally, determine whether a condensation layer is formed on the surface of the heat exchanger by: determining whether a condensation layer is formed on the surface of the heat exchanger based on the duration of the refrigeration operation; or, based on the humidity of the surface of the heat exchanger. The detection information of the sensor determines whether a condensation layer has formed on the surface of the heat exchanger.

In one example, based on a preset function, the target duration of the air conditioner's continuous cooling operation determined based on the indoor ambient humidity and the current temperature; after the air conditioner has been running for the target duration of cooling, it is determined that condensation has formed on the surface of the heat exchanger. layer.

In another example, a humidity sensor is provided on the surface of the heat exchanger. When the humidity sensor detects that a water film layer has formed on the surface of the heat exchanger, it is determined that condensation has formed on the surface of the heat exchanger. layer.

As shown in FIG. 2 , an embodiment of the present disclosure provides another method for controlling air conditioning, including:

S11. Obtain the indoor ambient humidity and detect the current temperature of the heat exchanger.

S12. Determine the target length of continuous cooling operation of the air conditioner based on the indoor ambient humidity and current temperature.

S13. When the heat exchanger of the air conditioner needs to be cleaned, control the air conditioner to continue running at the preset cooling temperature for the target duration.

Using the method for controlling the air conditioner provided by the embodiment of the present disclosure, when the heat exchanger of the air conditioner has a cleaning requirement, the refrigeration operation of the air conditioner is first controlled; and the refrigeration operation time is determined according to the indoor ambient humidity to ensure that the air conditioner is in operation. A condensate layer can form on the surface of the heat exchanger after the target refrigeration operation time; when it is determined that a condensate layer has formed on the surface of the heat exchanger, control the spray device of the air conditioner to spray the cleaning medium to the condensate layer and leave it there for a period of time so that The cleaning medium is fully mixed with the condensate layer and the oil stain attached to the surface of the heat exchanger is fully dissolved in the condensate layer; in this way, during the operation of the air conditioner in self-cleaning mode, the condensate layer can take away the oil stains attached to the surface of the heat exchanger. Oil stains can be effectively cleaned inside air conditioners installed in restaurants and kitchens, thereby ensuring the cooling or heating effect of the cleaned air conditioners.

Optionally, controlling the air conditioner to start operating in the self-cleaning mode includes: controlling the fan of the air conditioner to stop running, and controlling the air conditioner to continue cooling operation until frost forms on the surface of the heat exchanger; and controlling the air conditioner to stop cooling after frost forms on the surface of the heat exchanger. operation, and control the fan to run at the first speed; after the preset protection time, control the air conditioner to start heating operation and control the fan The fan operates at a second rotational speed; wherein the first rotational speed of the fan is greater than the second rotational speed.

When the cleaning medium is fully mixed with the condensate layer on the surface of the heat exchanger and the oil stain attached to the surface of the heat exchanger is fully dissolved in the condensate layer, control the air conditioner to continue cooling operation and control the fan of the air conditioner to stop running so that the exchanger can The condensation layer of dissolved cleaning medium and oil on the surface of the heater forms frost. During this process, controlling the fan to stop running can accelerate the rate of frost formation on the condensate layer on the surface of the heat exchanger. In practical applications, the preset protection time is generally 8 to 12 minutes; specifically, the preset protection time can be selected from 8 minutes, 9 minutes, 10 minutes, 11 minutes or 12 minutes.

During the preset protection period, the fan is controlled to run at high speed. The high-speed operation here may include controlling the fan to run at a preset speed; or, controlling the fan to run at the largest speed gear among multiple fan speeds in the air conditioning information. Within the preset protection time, the purpose of controlling the fan to run at high speed is to accelerate the heat exchange between the heat exchanger and the environment, and to avoid damage to the heat exchanger of the air conditioner when the heat exchanger suddenly switches from the cooling state to the heating state.

After it is determined that the surface of the heat exchanger has been frosted and has stayed for a preset protection time, the air conditioner is controlled to perform heating operation and the fan is controlled to run at low speed. The low-speed operation here may include controlling the fan to run at a preset speed; or, controlling the fan to run at the smallest speed gear among multiple fan speeds in the air-conditioning information.

As shown in FIG. 3 , an embodiment of the present disclosure provides another method for controlling air conditioning, including:

S21. Control the fan of the air conditioner to stop running, and control the air conditioner to continue cooling operation until frost forms on the surface of the heat exchanger.

S22. After frost forms on the surface of the heat exchanger, control the air conditioner to stop cooling operation and control the fan to run at the first speed.

S23. After the preset protection time, control the air conditioner to start heating operation and control the fan to run at the second speed.

Using the method for controlling the air conditioner provided by the embodiment of the present disclosure, when the heat exchanger of the air conditioner needs to be cleaned, the surface of the heat exchanger of the air conditioner is first allowed to form a condensation layer and the spray device of the air conditioner is controlled to spray the condensation layer. Spray the cleaning medium and leave it for a period of time so that the cleaning medium and the condensate layer are fully mixed and the oil stain attached to the surface of the heat exchanger is fully dissolved in the condensate layer; then, control the air conditioner to perform self-cleaning of first frosting and then defrosting. steps, so that the condensate layer can take away the oil stains attached to the surface of the heat exchanger during the process of frosting and defrosting, so as to effectively clean the inside of the air conditioners installed in restaurants and kitchens, thus ensuring the cooling of the cleaned air conditioners. or heating effect.

Optionally, after the self-cleaning mode operation is completed, the method for controlling the air conditioner further includes: controlling the water receiving tray of the air conditioner to perform a first drainage operation; and after ending the first drainage operation, controlling the air conditioner to perform a water washing operation. Wherein, the first drainage operation includes draining the water dripping from the condensate layer in the water receiving pan from defrost to the water receiving pan. After the control process of the above-mentioned self-cleaning mode is completed, the water with dissolved oil stains and cleaning medium dropped from the water receiving tray is discharged, so that after subsequent water washing, the washing water in the water receiving tray can be detected to determine whether there is oil contamination on the surface of the heat exchanger. Be effectively cleaned.

Optionally, controlling the air conditioner to perform a water washing operation includes: controlling a spraying device to sprinkle water on the surface of the heat exchanger to wash the heat exchanger; and controlling the water receiving tray of the air conditioner to perform the second drainage while the spraying device is spraying water. operate. Among them, the second drainage operation includes detecting and discharging the washing water dripping after washing the heat exchanger.

As shown in FIG. 4 , an embodiment of the present disclosure provides another method for controlling air conditioning, including:

S31. After the self-cleaning mode operation ends, control the water receiving tray of the air conditioner to perform the first drainage operation.

S32. After the first drainage operation is completed, control the spraying device to sprinkle water on the surface of the heat exchanger.

S33. During the process of sprinkling water by the sprinkler device, control the water receiving tray of the air conditioner to perform the second drainage operation.

Using the method for controlling the air conditioner provided by the embodiment of the present disclosure, after the air conditioner completes the self-cleaning step of first frosting and then defrosting, the spray device of the air conditioner is then controlled to sprinkle water on the heat exchanger to realize the cleaning of the heat exchanger surface. Secondary water washing ensures the cleaning effect of oil stains attached to the surface of the heat exchanger, and achieves effective cleaning of the interior of air conditioners installed in restaurants and kitchens, thus ensuring the cooling or heating effect of the cleaned air conditioners.

Optionally, during the sprinkler operation of the sprinkler, the air conditioner is controlled to continue heating operation, and when the coil temperature on the surface of the heat exchanger reaches the spray temperature threshold, the sprinkler is controlled to start the sprinkler operation. The spray temperature threshold can take a value from 47 to 52 degrees Celsius. Specifically, the spraying temperature can be selected from 47 degrees Celsius, 48 degrees Celsius, 49 degrees Celsius, 50 degrees Celsius, 51 degrees Celsius or 52 degrees Celsius. In this way, when the spraying device sprays water onto the surface of the heat exchanger, due to the higher temperature of the heat exchanger surface, the water can be heated to about 40 degrees Celsius at the moment when the water contacts the surface of the heat exchanger, thereby causing damage to the surface of the heat exchanger. The water washing operation achieves a better cleaning effect, so that the oil stains on the surface of the heat exchanger are effectively cleaned.

Optionally, controlling the water collecting tray of the air conditioner to perform a second drainage operation includes: obtaining the oil content in the water collecting tray to be drained; and controlling the spraying device to stop sprinkling water when the oil content is less than the reference value. Alternatively, controlling the water tray of the air conditioner to perform the second drainage operation may also include: obtaining the pH value to be drained in the water tray; when the pH value meets the reference value, controlling the sprinkler device to stop sprinkling water. This ensures that the water washing operation will effectively remove oil stains, cleaning media, etc. attached to the surface of the heat exchanger.

As shown in FIG. 5 , an embodiment of the present disclosure provides another method for controlling air conditioning, including:

S41. During the process of sprinkling water by the sprinkler device, obtain the oil content in the drain pan to be drained.

S42. When the oil content is less than the reference value, control the sprinkler device to stop sprinkling water.

Using the method for controlling the air conditioner provided by the embodiment of the present disclosure, since after the self-cleaning step is completed, the first drainage operation is performed to drain the water dissolved in the oil stain and cleaning medium that fell into the water tray; therefore, after the self-cleaning step, the first drainage operation is performed. After the heat exchanger surface is washed twice, the content to be drained in the water tray can be detected to determine the cleaning status of the oil stain on the heat exchanger surface during this cleaning operation, and then to determine if the oil content is less than the reference value. , that is, to ensure that the oil stains on the surface of the heat exchanger have been effectively cleaned, control the spray device to stop sprinkling water, thus ending this cleaning operation.

As shown in FIG. 6 , an embodiment of the present disclosure provides a device for controlling air conditioning, including a processor 100 and a memory 101 . Optionally, the device may also include a communication interface (Communication Interface) 102 and a bus 103. Among them, the processor 100, the communication interface 102, and the memory 101 can complete the related tasks through the bus 103. communication between each other. Communication interface 102 may be used for information transmission. The processor 100 may call logical instructions in the memory 101 to execute the method for controlling air conditioning in the above embodiment.

In addition, the above-mentioned logical instructions in the memory 101 can be implemented in the form of software functional units and can be stored in a computer-readable storage medium when sold or used as an independent product.

As a computer-readable storage medium, the memory 101 can be used to store software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes the program instructions/modules stored in the memory 101 to execute functional applications and data processing, that is, to implement the method for controlling the air conditioner in the above embodiment.

The memory 101 may include a stored program area and a stored data area, wherein the stored program area may store an operating system and at least one application program required for a function; the stored data area may store data created according to the use of the terminal device, etc. In addition, the memory 101 may include a high-speed random access memory and may also include a non-volatile memory.

An embodiment of the present disclosure provides an air conditioner, including a spray device and the above-mentioned device for controlling the air conditioner.

Using the air conditioner provided by the embodiment of the present disclosure, the air conditioner is equipped with a spray device, and when the heat exchanger has a cleaning requirement, the refrigeration operation of the air conditioner is first controlled to form a condensation layer on the surface of the heat exchanger, and then the spraying of the air conditioner is controlled. The device sprays cleaning medium into the condensate layer and stays there for a period of time so that the cleaning medium and the condensate layer are fully mixed and the oil attached to the surface of the heat exchanger is fully dissolved in the condensate layer; in this way, the air conditioner operates in self-cleaning mode During the process, the condensate layer can take away the oil stains attached to the surface of the heat exchanger, achieving effective cleaning of the interior of the air conditioners installed in restaurants and kitchens, thereby ensuring the cooling or heating effect of the cleaned air conditioners.

Embodiments of the present disclosure provide a computer-readable storage medium that stores computer-executable instructions, and the computer-executable instructions are configured to execute the above method for controlling air conditioning.

Embodiments of the present disclosure provide a computer program product. The computer program product includes a computer program stored on a computer-readable storage medium. The computer program includes program instructions. When the program instructions are executed by a computer, the The computer executes the above method for controlling the air conditioner.

The above-mentioned computer-readable storage medium may be a transient computer-readable storage medium or a non-transitory computer-readable storage medium.

An embodiment of the present disclosure provides a computer program that, when executed by a computer, causes the computer to implement the above method for controlling an air conditioner.

Embodiments of the present disclosure provide a computer program product. The computer program product includes computer instructions stored on a computer-readable storage medium. When the program instructions are executed by a computer, the computer implements the above-mentioned control of air conditioners. Methods.

The technical solutions of the embodiments of the present disclosure may be embodied in the form of software products. The computer software products are stored in A storage medium includes one or more instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in the embodiments of the present disclosure. The aforementioned storage media can be non-transitory storage media, including: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk, etc. A medium that can store program code or a temporary storage medium.

The foregoing description and drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples represent only possible variations. Unless explicitly required, individual components and features are optional and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. Furthermore, the words used in this application are used only to describe the embodiments and not to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. . Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed items. In addition, when used in this application, the term "comprise" and its variations "comprises" and/or "comprising" etc. refer to stated features, integers, steps, operations, elements, and/or The presence of a component does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groupings of these. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method or apparatus including the stated element. In this article, each embodiment may focus on its differences from other embodiments, and the same and similar parts among various embodiments may be referred to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method part disclosed in the embodiment, then the relevant parts can be referred to the description of the method part.

Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented with electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software may depend on the specific application and design constraints of the technical solution. The skilled person may use different methods to implement the described functionality for each specific application, but such implementations should not be considered to be beyond the scope of the disclosed embodiments. The skilled person can clearly understand that for the convenience and simplicity of description, the specific working processes of the systems, devices and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be described again here.

In the embodiments disclosed herein, the disclosed methods and products (including but not limited to devices, equipment, etc.) can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units may only be a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined. Either it can be integrated into another system, or some features can be ignored, or not implemented. in addition, The coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to implement this embodiment. In addition, each functional unit in the embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.

The flowcharts and block diagrams in the Figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods, and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code that contains one or more components for implementing the specified logical function(s). Executable instructions. In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two consecutive blocks may actually execute substantially in parallel, or they may sometimes execute in the reverse order, depending on the functionality involved. In the descriptions corresponding to the flowcharts and block diagrams in the accompanying drawings, operations or steps corresponding to different blocks may also occur in a sequence different from that disclosed in the description, and sometimes there is no specific distinction between different operations or steps. order. For example, two consecutive operations or steps may actually be performed substantially in parallel, or they may sometimes be performed in reverse order, depending on the functionality involved. Each block in the block diagram and/or flowchart illustration, and combinations of blocks in the block diagram and/or flowchart illustration, may be implemented by special purpose hardware-based systems that perform the specified functions or actions, or may be implemented using special purpose hardware implemented in combination with computer instructions.

Claims

A method for controlling an air conditioner, characterized in that the air conditioner is equipped with a spray device;

The methods include:

When the heat exchanger of the air conditioner needs to be cleaned, control the air conditioner to start cooling operation until a condensation layer is formed on the surface of the heat exchanger;

Control the spraying device to spray cleaning medium to the condensate layer;

After the preset stay time, the air conditioner is controlled to start operating in the self-cleaning mode.
The method of claim 1, wherein controlling the air conditioner to start cooling operation until a condensation layer is formed on the surface of the heat exchanger includes:

The air conditioner is controlled to run at a preset cooling temperature for a target duration so that a condensation layer is formed on the surface of the heat exchanger.
The method according to claim 2, characterized in that the target duration is determined in the following manner:

Obtain the indoor ambient humidity and detect the current temperature of the heat exchanger;

According to the indoor ambient humidity and current temperature, a target duration for the air conditioner to continue cooling operation is determined.
The method according to any one of claims 1 to 3, wherein controlling the air conditioner to start operating in a self-cleaning mode includes:

Control the fan of the air conditioner to stop running, and control the air conditioner to continue cooling operation until frost forms on the surface of the heat exchanger;

After frost forms on the surface of the heat exchanger, control the air conditioner to stop cooling operation and control the fan to run at a first speed;

After the preset protection duration, control the air conditioner to start heating operation and control the fan to run at a second speed;

Wherein, the first rotation speed of the fan is greater than the second rotation speed.
The method according to any one of claims 1 to 4, characterized in that, after the self-cleaning mode operation ends, the method further includes:

Control the water receiving tray of the air conditioner to perform the first drainage operation;

After the first drainage operation is completed, the air conditioner is controlled to perform a water washing operation.
The method according to claim 5, wherein the controlling the air conditioner to perform a water washing operation includes:

Control the spraying device to spray water on the surface of the heat exchanger to wash the heat exchanger;

During the process of sprinkling water by the spraying device, the water receiving tray of the air conditioner is controlled to perform a second drainage operation.
The method according to claim 6, characterized in that said controlling the water receiving tray of said air conditioner executes the first Secondary drainage operations include:

Obtain the oil content in the drain pan to be drained;

When the oil content is less than the reference value, the spray device is controlled to stop sprinkling water.
A device for controlling air conditioning, including a processor and a memory storing program instructions, characterized in that the processor is configured to execute the method according to any one of claims 1 to 7 when executing the program instructions. The above-mentioned method for controlling air conditioning.
An air conditioner, characterized by comprising a spray device and a device for controlling the air conditioner as claimed in claim 8.
A storage medium stores program instructions, characterized in that when the program instructions are run, the method for controlling air conditioning according to any one of claims 1 to 7 is executed.
A computer program, when the computer program is executed by a computer, causes the computer to implement the method for controlling air conditioning according to any one of claims 1 to 7.
A computer program product. The computer program product includes computer instructions stored on a computer-readable storage medium. When the program instructions are executed by a computer, the computer implements any one of claims 1 to 7. method for controlling air conditioning.