Air conditioner control methods, devices, storage media and air conditioners

Abstract

This application provides a control method, apparatus, storage medium, and air conditioner for an air conditioner. The method includes: acquiring the surface dust accumulation of a target heat exchanger, which is installed inside the target air conditioner, and the surface dust accumulation is the cumulative mass of contaminants on the surface of the target heat exchanger; acquiring the surface frost thickness of the target heat exchanger; determining operating parameters of the target air conditioner based on the surface dust accumulation and surface frost thickness, the operating parameters including drying temperature and drying time; and controlling the target air conditioner to perform self-cleaning based on the operating parameters to reduce the surface dust accumulation and surface frost thickness of the target heat exchanger, wherein the self-cleaning mode includes a drying process mode. This method, by appropriately increasing the drying temperature and drying time based on the surface dust accumulation and surface frost thickness of the target heat exchanger, can more effectively achieve sterilization.

Description

Technical Field

[0001] This application relates to the field of air purification, and more specifically, to a control method, apparatus, computer-readable storage medium, and air conditioner for an air conditioner. Background Technology

[0002] Over time, air conditioners accumulate a large amount of dust and bacteria on their internal heat exchangers. When airflow passes through these dirty heat exchangers and is delivered indoors, it can significantly impact human health. Therefore, regular cleaning of air conditioners is necessary. Most current air conditioners use self-cleaning mechanisms to remove surface dust and other contaminants.

[0003] When an air conditioner performs self-cleaning, the amount of residual water on the heat exchanger may vary before the drying stage begins due to factors such as high indoor humidity. This can result in insufficient temperature or time during the high-temperature drying stage of the heat exchanger, failing to achieve the expected cleaning and sterilization effect. Summary of the Invention

[0004] The main objective of this application is to provide a control method, apparatus, computer-readable storage medium, and air conditioner for an air conditioner, so as to at least solve the problem that the actual sterilization temperature or time in the drying stage of the self-cleaning program of existing air conditioners is insufficient, making it difficult to achieve the expected effect.

[0005] To achieve the above objectives, according to one aspect of this application, a control method for an air conditioner is provided, comprising: obtaining the surface dust accumulation of a target heat exchanger, the target heat exchanger being installed inside a target air conditioner, the surface dust accumulation being the cumulative mass of contaminants on the surface of the target heat exchanger; obtaining the surface frost thickness of the target heat exchanger, the surface frost thickness being the thickness of frost formed on the surface of the target heat exchanger; determining operating parameters of the target air conditioner based on the surface dust accumulation and the surface frost thickness of the target heat exchanger, the operating parameters including a drying temperature and a drying time; and controlling the target air conditioner to perform self-cleaning based on the operating parameters to reduce the surface dust accumulation and the surface frost thickness of the target heat exchanger, wherein the self-cleaning mode includes a drying process mode.

[0006] Optionally, the operating parameters of the target air conditioner are determined based on the surface ash accumulation and frost thickness of the target heat exchanger. These operating parameters include drying temperature and drying time. The process includes: constructing a mapping relationship characterizing the relationship between the surface ash accumulation, frost thickness, and residual water volume of the heat exchanger (the residual water volume is the amount of water remaining on the surface of the heat exchanger after defrosting); determining the residual water volume of the target heat exchanger based on the mapping relationship, the surface ash accumulation, and the frost thickness; and determining the drying temperature and drying time based on the residual water volume, wherein the drying temperature and drying time are negatively correlated.

[0007] Optionally, obtaining the surface dust accumulation of the target heat exchanger includes: obtaining a first airflow rate of the indoor fan of the target air conditioner, wherein the first airflow rate is the actual airflow rate of the indoor fan at an initial moment, and the initial moment is the moment when the target air conditioner activates the self-cleaning mode; obtaining a second airflow rate of the indoor fan of the target air conditioner, wherein the second airflow rate is the set airflow rate of the indoor fan at the initial moment when the target heat exchanger is free of contamination; and determining the surface dust accumulation of the target heat exchanger based on the first airflow rate and the second airflow rate.

[0008] Optionally, determining the surface dust accumulation of the target heat exchanger based on the first air volume and the second air volume includes: obtaining the difference between the first air volume and the second air volume, and determining the surface dust accumulation of the target heat exchanger based on the difference between the first air volume and the second air volume; and / or, obtaining the ratio of the first air volume to the second air volume, and determining the surface dust accumulation of the target heat exchanger based on the ratio of the first air volume to the second air volume.

[0009] Optionally, the self-cleaning mode includes a frosting mode. Before the drying mode, the frosting mode involves obtaining the surface frost thickness of the target heat exchanger, including: obtaining a second airflow rate of the indoor fan of the target air conditioner, where the second airflow rate is the set airflow rate of the indoor fan at an initial moment when the target heat exchanger is uncontaminated; obtaining a third airflow rate of the indoor fan of the target air conditioner, where the third airflow rate is the airflow rate of the indoor fan at an end moment when the target heat exchanger completes the frosting mode; and determining the surface frost thickness of the target heat exchanger based on the second and third airflow rates.

[0010] Optionally, determining the surface frost thickness of the target heat exchanger based on the second air volume and the third air volume includes: obtaining the difference between the second air volume and the third air volume, and determining the surface frost thickness of the target heat exchanger based on the difference between the second air volume and the third air volume; and / or, obtaining the ratio of the second air volume to the third air volume; and determining the surface frost thickness of the target heat exchanger based on the ratio of the second air volume to the third air volume.

[0011] Optionally, obtaining the surface dust accumulation of the target heat exchanger further includes: obtaining the cumulative operating time of the target air conditioner, the cumulative operating time being the total time from the start of operation of the target air conditioner to the activation of the self-cleaning mode; obtaining the average concentration of indoor pollutants within the cumulative operating time, the indoor pollutants being pollutants in the air within the preset space where the target air conditioner is located; and determining the surface dust accumulation of the target heat exchanger based on the cumulative operating time and the average concentration of indoor pollutants.

[0012] According to another aspect of this application, a control device for a target air conditioner is provided, comprising: a first acquisition unit for acquiring the surface dust accumulation of a target heat exchanger, the target heat exchanger being installed inside the target air conditioner, the surface dust accumulation being the cumulative mass of contaminants on the surface of the target heat exchanger; a second acquisition unit for acquiring the surface frost thickness of the target heat exchanger, the surface frost thickness being the thickness of frost formed on the surface of the target heat exchanger; a determination unit for determining operating parameters of the target air conditioner based on the surface dust accumulation and the surface frost thickness of the target heat exchanger, the operating parameters including a drying temperature and a drying time; and an execution unit for controlling the target air conditioner to perform self-cleaning based on the operating parameters to reduce the surface dust accumulation and the surface frost thickness of the target heat exchanger, wherein the self-cleaning mode includes a drying process mode.

[0013] According to another aspect of this application, a computer-readable storage medium is provided, the computer-readable storage medium including a stored program, wherein, when the program is executed, it controls the device where the computer-readable storage medium is located to perform any of the control methods of the air conditioner described above.

[0014] According to another aspect of this application, an air conditioner is provided, comprising: one or more processors, a memory, a display device, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including a control method for performing any of the air conditioners described above.

[0015] Applying the technical solution of this application, the control method for the aforementioned air conditioner first obtains the surface dust accumulation of the target heat exchanger, which is installed inside the target air conditioner, and the surface dust accumulation is the cumulative mass of contaminants on the surface of the target heat exchanger; then, it obtains the surface frost thickness of the target heat exchanger, which is the thickness of the frost layer formed on the surface of the target heat exchanger; subsequently, based on the surface dust accumulation and surface frost thickness of the target heat exchanger, it determines the operating parameters of the target air conditioner, including drying temperature and drying time; finally, based on the operating parameters, it controls the target air conditioner to perform self-cleaning, thereby reducing the surface dust accumulation and surface frost thickness of the target heat exchanger, wherein the self-cleaning mode includes a drying process mode. This method, by obtaining the surface dust accumulation and surface frost thickness of the target heat exchanger and appropriately increasing the drying temperature and drying time, can more effectively achieve the sterilization function and improve the sterilization effect. It solves the problem that the actual sterilization temperature or time in the drying stage of the existing air conditioner self-cleaning program is insufficient, making it difficult to achieve the expected effect. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. In the drawings:

[0017] Figure 1 This is a hardware structure block diagram of an air conditioner, which is a control method for an air conditioner according to an embodiment of the present invention.

[0018] Figure 2 A flowchart illustrating a control method for an air conditioner provided in an embodiment of this application is shown.

[0019] Figure 3 A flowchart illustrating yet another method of controlling an air conditioner according to an embodiment of this application is shown;

[0020] Figure 4 A flowchart illustrating another method of controlling an air conditioner according to an embodiment of this application is shown;

[0021] Figure 5 A schematic diagram of a control device for an air conditioner provided according to an embodiment of this application is shown. Detailed Implementation

[0022] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0023] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0024] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0025] As described in the background section, the drying time and temperature of the self-cleaning mode of existing air conditioners are fixed. When faced with pollutants that are difficult to clean, the cleaning effect is not good. In order to solve the problem that the actual sterilization temperature or time of the drying stage of the self-cleaning program of existing air conditioners is insufficient and it is difficult to achieve the expected effect, the embodiments of this application provide an air conditioner control method, device, computer-readable storage medium and air conditioner.

[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0027] The methods and embodiments provided in this application can be executed in an air conditioner, a computer terminal, or a similar computing device. Taking operation on an air conditioner as an example, Figure 1 This is a hardware structure block diagram of an air conditioner, illustrating a control method for an air conditioner according to an embodiment of the present invention. (See diagram below.) Figure 1 As shown, an air conditioner may include one or more ( Figure 1 Only one is shown in the diagram. A processor 102 (which may include, but is not limited to, a microprocessor MCU or a programmable logic device FPGA, etc.) and a memory 104 for storing data are also shown. The air conditioner may further include a transmission device 106 for communication functions and an input / output device 108. Those skilled in the art will understand that... Figure 1 The structure shown is for illustrative purposes only and does not limit the structure of the air conditioner described above. For example, the air conditioner may also include components that are more... Figure 1The more or fewer components shown, or having the same Figure 1 The different configurations shown.

[0028] The memory 104 can be used to store computer programs, such as application software programs and modules, like the computer program corresponding to the device information display method in this embodiment of the invention. The processor 102 executes various functional applications and data processing by running the computer program stored in the memory 104, thereby implementing the above-described method. The memory 104 may include high-speed random access memory and non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some instances, the memory 104 may further include memory remotely located relative to the processor 102, and these remote memories can be connected to the mobile terminal via a network. Examples of the aforementioned networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof. The transmission device 106 is used to receive or send data via a network. Specific examples of the aforementioned networks may include wireless networks provided by the mobile terminal's communication provider. In one example, the transmission device 106 includes a network interface controller (NIC), which can be connected to other network devices via a base station to communicate with the Internet. In one example, the transmission device 106 may be a radio frequency (RF) module, which is used to communicate with the Internet wirelessly.

[0029] This embodiment provides a control method for an air conditioner that runs on a mobile terminal, computer terminal, or similar computing device. It should be noted that the steps shown in the flowchart in the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions. Also, although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in a different order than that shown here.

[0030] Current air conditioners generally employ a self-cleaning method, using system control to clean the heat exchanger through processes such as condensation, frosting, defrosting, and drying to remove surface contaminants like dust. In particular, when the drying stage is maintained at 56°C or higher for 30 minutes or more, the air conditioner's self-cleaning process also has a bactericidal effect, removing bacteria and other microorganisms from the heat exchanger's surface.

[0031] When an air conditioner performs self-cleaning, the sterilization effect is highly dependent on the temperature and duration of the drying phase. Generally, a temperature of 56°C for at least 30 minutes is required to achieve a good sterilization effect, and current air conditioners typically operate according to this fixed parameter. However, due to factors such as high indoor humidity, thick frost, or differences in the surface and contamination of the heat exchanger, the amount of residual water on the heat exchanger after the defrosting phase and before the drying phase begins can vary. This can result in insufficient temperature or time during the high-temperature drying phase of the heat exchanger, failing to achieve the expected cleaning and sterilization effect.

[0032] Figure 2 This is a flowchart of an air conditioner control method according to an embodiment of this application. Figure 2 As shown, the method includes the following steps:

[0033] Step S101: Obtain the surface dust accumulation of the target heat exchanger, which is installed inside the target air conditioner. The surface dust accumulation is the cumulative mass of contaminants on the surface of the target heat exchanger.

[0034] Because contaminants and frost on the surface of the target heat exchanger obstruct airflow, resulting in a decrease in air volume, those skilled in the art will understand that the amount of ash accumulation on the surface of the target heat exchanger, the outlet air volume generated by the internal fan at the same rotation speed, the pressure difference across the heat exchanger, or the internal fan resistance (manifested as internal fan current) will also differ. Therefore, the amount of ash accumulation on the surface of the target heat exchanger can be indirectly characterized by testing the differences in these parameters. The specific implementation steps of step S101 are as follows:

[0035] Step S1011: Obtain the first air volume of the indoor fan of the target air conditioner. The first air volume is the actual air volume of the indoor fan at the initial moment. The initial moment is the moment when the target air conditioner starts the self-cleaning mode. Specifically, the initial moment is also the starting moment of condensation.

[0036] Step S1012: Obtain the second air volume of the indoor fan of the target air conditioner. The second air volume is the set air volume of the indoor fan at the initial moment when the target heat exchanger is free from pollution. Specifically, the second air volume is the air volume set at the factory when the target air conditioner leaves the factory.

[0037] Step S1013: Determine the surface dust accumulation of the target heat exchanger based on the first air volume and the second air volume.

[0038] In one example, determining the surface dust accumulation of the target heat exchanger based on the first and second air outlet volumes includes: obtaining the difference between the first and second air outlet volumes, and determining the surface dust accumulation of the target heat exchanger based on the difference; and / or, obtaining the ratio of the first and second air outlet volumes, and determining the surface dust accumulation of the target heat exchanger based on the ratio. The specific function mapping relationship can be obtained experimentally.

[0039] Specifically, Table 1 shows the relationship between the surface dust accumulation of the target heat exchanger and the difference between the first and second outlet air volumes, as verified by experiments. The experiment used a 1.5 HP, Grade 1 energy-efficient air conditioner in a dust laboratory (using standard artificial dust) for a long-term test. The ambient temperature and humidity were controlled to accelerate dust deposition, and the change in outlet air volume at the same rotation speed was tested periodically to simulate the change in air volume parameters after the air conditioner becomes dirty during actual use. This serves as an example to demonstrate the feasibility of the above scheme. The attenuation amount in the table refers to the difference between the first and second outlet air volumes.

[0040] Table 1. Relationship between surface dust content and air volume changes in air conditioners

[0041]

[0042] Based on the test data above, the heat exchanger fouling can be appropriately graded according to the airflow reduction, as shown in Table 2:

[0043] Table 2. Relationship between airflow reduction and heat exchanger surface fouling

[0044] <![CDATA[Attenuation amount m 3 / h]]> Soil and dirt condition (grading assessment) \ \ 10-29 1 30-54 2 55-80 3 81-100 4

[0045] The aforementioned level of dirt can also be determined by the resistance of the internal fan. The magnitude of this resistance can be directly determined by the operating parameters of the internal fan motor, such as the internal fan current. This eliminates the need for sensors such as wind speed and air volume, further reducing technical costs.

[0046] like Figure 3 As shown, in one scheme, after the air conditioner starts running the self-cleaning mode, the dirt condition of the heat exchanger surface and the thickness of the frost layer on the heat exchanger surface are first obtained. Then, based on the dirt condition of the heat exchanger surface and the thickness of the frost layer, the residual water on the surface of the heat exchanger after defrosting is calculated. Based on the residual water on the surface of the heat exchanger, the target parameters for the self-cleaning and drying stage are determined. Finally, the air conditioner is controlled to operate according to the target parameters.

[0047] For example, obtaining the surface dust accumulation of the target heat exchanger further includes: obtaining the cumulative operating time of the target air conditioner, wherein the cumulative operating time is the cumulative time from the start of operation of the target air conditioner to the activation of the self-cleaning mode; obtaining the average concentration of indoor pollutants within the cumulative operating time, wherein the indoor pollutants are pollutants in the air within a preset space where the target air conditioner is located; and determining the surface dust accumulation of the target heat exchanger based on the cumulative operating time and the average concentration of indoor pollutants. Specifically, the surface dust accumulation of the target heat exchanger is the product of the cumulative operating time and the average concentration of indoor pollutants.

[0048] Alternatively, the amount of dust accumulation on the surface of the target heat exchanger can be determined directly by the cumulative running time or the interval since the last self-cleaning, or it can be judged intuitively by visualization technology such as cameras.

[0049] Step S103: Obtain the surface frost thickness of the target heat exchanger, wherein the surface frost thickness is the thickness of the frost that forms on the surface of the target heat exchanger.

[0050] Those skilled in the art will understand that the surface frost thickness of the target heat exchanger, the airflow generated by the internal fan at the same rotation speed, the pressure difference across the heat exchanger, or the internal fan resistance (manifested as internal fan current) are all different. Therefore, the surface frost thickness of the target heat exchanger can be indirectly characterized by testing the differences in these parameters. Specifically, the implementation steps of step S103 are as follows:

[0051] Step S1031: Obtain the second air volume of the indoor fan of the target air conditioner. The second air volume is the set air volume of the indoor fan at the initial moment when the target heat exchanger is free from pollution. The initial moment is the moment when the target air conditioner starts the self-cleaning mode.

[0052] Step S1032: Obtain the third airflow rate of the indoor fan of the target air conditioner. The third airflow rate is the airflow rate of the indoor fan at the end time. The end time is the time when the target heat exchanger completes the frosting process. The end time is the time when the frosting stage ends or the defrosting stage begins, i.e., the time of maximum frost thickness.

[0053] Step S1033: Determine the surface frost thickness of the target heat exchanger based on the second and third air volumes.

[0054] In one embodiment, determining the surface frost thickness of the target heat exchanger based on the second and third air volumes includes: obtaining the difference between the second and third air volumes, and determining the surface frost thickness of the target heat exchanger based on the difference between the second and third air volumes; and / or obtaining the ratio between the second and third air volumes; and determining the surface frost thickness of the target heat exchanger based on the ratio between the second and third air volumes.

[0055] Furthermore, the thickness of the frost layer on the surface of the aforementioned target heat exchanger can also be determined by the resistance of the internal fan. This resistance can be directly determined by the operating parameters of the internal fan motor, eliminating the need for related sensors and further reducing technical costs. Moreover, the thickness of the surface frost layer can also be determined by combining changes in ambient temperature and humidity with air conditioner operating parameters, or directly obtained through methods such as an internal camera.

[0056] Step S105: Based on the amount of dust accumulation on the surface of the target heat exchanger and the thickness of the frost layer on the surface of the target heat exchanger, determine the operating parameters of the target air conditioner, including the drying temperature and drying time.

[0057] Those skilled in the art will understand that different frost thicknesses naturally result in different defrosting water volumes, and variations in heat exchanger dirt levels will also lead to differences in the amount of residual water remaining on the heat exchanger. This, in turn, causes variations in the temperature and time required to dry the surface moisture and achieve high-temperature sterilization. Therefore, the target parameters for high-temperature drying and sterilization are related to the amount of residual water, which in turn is related to the actual frost thickness and the degree of heat exchanger dirtiness. Therefore, the specific implementation steps of step S105 are as follows:

[0058] Step S1051: Construct a mapping relationship. The mapping relationship is used to characterize the mapping relationship between the amount of ash accumulation on the surface of the heat exchanger, the thickness of the frost layer on the surface of the heat exchanger, and the amount of residual water in the heat exchanger. The amount of residual water in the heat exchanger is the amount of water remaining on the surface of the heat exchanger after defrosting. The mapping relationship can be obtained experimentally.

[0059] Step S1052: Determine the residual water volume of the target heat exchanger based on the above mapping relationship, the amount of dust accumulation on the surface of the target heat exchanger, and the thickness of the frost layer on the surface of the target heat exchanger.

[0060] In addition, the residual water volume of the aforementioned target heat exchanger can also be obtained through the second and third air outlet volumes.

[0061] Step S1053: Determine the drying temperature and drying time based on the residual water volume of the target heat exchanger, wherein the drying temperature and drying time are negatively correlated.

[0062] The drying temperature and drying time are equivalent in effect; that is, increasing the drying temperature reduces the drying time, while decreasing the drying temperature requires extending the drying time. The functional mapping relationship between the drying temperature, drying time, and residual moisture can be calculated using the theory of moisture evaporation or obtained experimentally.

[0063] In addition, to ensure the high-temperature sterilization effect, the target drying temperature T needs to be greater than or equal to 56℃, and the drying time t needs to be greater than or equal to 30min.

[0064] Among them, when the drying temperature is fixed at 56℃, the drying time t is only related to the residual water volume m, that is, t=f(m) or t=km+c, where c is a constant and k is the correlation coefficient between the residual water volume and the drying time.

[0065] like Figure 4 As shown, after the air conditioner starts running the self-cleaning mode, only the thickness of the frost layer on the surface of the heat exchanger is obtained. Then, the residual water on the surface of the heat exchanger after defrosting is calculated based on the thickness of the frost layer. The target parameters for the self-cleaning drying stage are determined based on the residual water on the surface of the heat exchanger. Finally, the air conditioner is controlled to operate according to the target parameters.

[0066] Step S107: Based on the aforementioned operating parameters, the target air conditioner is controlled to perform self-cleaning, thereby reducing the amount of dust accumulation on the surface of the target heat exchanger and decreasing the thickness of the frost layer on the surface of the target heat exchanger. The self-cleaning mode includes a drying process. Determining and optimizing the temperature and duration of the self-cleaning drying stage based on the amount of residual water after defrosting ensures better cleaning and sterilization effects.

[0067] It should be noted that the steps shown in the flowchart in the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and although a logical order is shown in the flowchart, in some cases the steps shown or described may be executed in a different order than that shown here.

[0068] The control method for the air conditioner described in this application first obtains the surface dust accumulation of a target heat exchanger, which is installed inside the target air conditioner, and the surface dust accumulation is the cumulative mass of contaminants on the surface of the target heat exchanger. Next, it obtains the surface frost thickness of the target heat exchanger, which is the thickness of the frost layer formed on the surface of the target heat exchanger. Then, based on the surface dust accumulation and surface frost thickness of the target heat exchanger, it determines the operating parameters of the target air conditioner, including drying temperature and drying time. Finally, based on the operating parameters, it controls the target air conditioner to perform self-cleaning, thereby reducing the surface dust accumulation and surface frost thickness of the target heat exchanger. The self-cleaning mode includes a drying process. This method, by obtaining the surface dust accumulation and surface frost thickness of the target heat exchanger and appropriately increasing the drying temperature and drying time, can more effectively achieve the sterilization function and improve the sterilization effect. It solves the problem that the actual sterilization temperature or time in the drying stage of the existing air conditioner self-cleaning program is insufficient, making it difficult to achieve the expected effect.

[0069] This application also provides a control device for an air conditioner. It should be noted that the control device for the air conditioner in this application can be used to execute the control method for an air conditioner provided in this application. This device is used to implement the above embodiments and preferred embodiments; details already described will not be repeated. As used below, the term "module" can refer to a combination of software and / or hardware that implements a predetermined function. Although the device described in the following embodiments is preferably implemented in software, hardware implementation, or a combination of software and hardware, is also possible and contemplated.

[0070] The control device for the air conditioner provided in the embodiments of this application will be described below.

[0071] Figure 5 This is a schematic diagram of the control device for an air conditioner according to an embodiment of this application. Figure 5As shown, the device includes: a first acquisition unit 01, used to acquire the surface dust accumulation of a target heat exchanger, the target heat exchanger being installed inside a target air conditioner, the surface dust accumulation being the cumulative mass of contaminants on the surface of the target heat exchanger; a second acquisition unit 02, used to acquire the surface frost thickness of the target heat exchanger, the surface frost thickness being the thickness of the frost layer formed on the surface of the target heat exchanger; a determination unit 03, used to determine the operating parameters of the target air conditioner based on the surface dust accumulation and the surface frost thickness of the target heat exchanger, the operating parameters including drying temperature and drying time; and an execution unit 04, used to control the target air conditioner to perform self-cleaning based on the operating parameters to reduce the surface dust accumulation and the surface frost thickness of the target heat exchanger, wherein the self-cleaning mode includes a drying process mode.

[0072] As an optional solution, the aforementioned determining unit includes a construction module, a first determining module, and a second determining module. The construction module is used to construct a mapping relationship, which characterizes the mapping relationship between the surface ash accumulation of the heat exchanger, the surface frost thickness of the heat exchanger, and the residual water volume of the heat exchanger. The residual water volume is the amount of water remaining on the surface of the heat exchanger after defrosting. The first determining module is used to determine the residual water volume of the target heat exchanger based on the mapping relationship, the surface ash accumulation of the target heat exchanger, and the surface frost thickness of the target heat exchanger. The second determining module is used to determine the drying temperature and the drying time based on the residual water volume of the target heat exchanger, wherein the drying temperature and the drying time are negatively correlated. By analyzing the changes in parameters such as the fan during the condensation and frosting stages, the degree of dirtiness and the frost thickness of the heat exchanger are analyzed to determine the residual water volume after defrosting. Based on the difference in residual water volume, the target temperature and time of the drying stage are adjusted to ensure the best high-temperature sterilization effect.

[0073] In one optional scheme, the first acquisition unit includes a first acquisition module, a second acquisition module, and a third determination module. The first acquisition module acquires the first airflow rate of the indoor fan of the target air conditioner, where the first airflow rate is the actual airflow rate of the indoor fan at an initial moment, and the initial moment is the moment when the target air conditioner activates the self-cleaning mode. The second acquisition module acquires the second airflow rate of the indoor fan of the target air conditioner, where the second airflow rate is the set airflow rate of the indoor fan at the initial moment, assuming the target heat exchanger is free of contamination. The third determination module determines the surface dust accumulation on the target heat exchanger based on the first and second airflow rates. Combining the first and second airflow rates allows for an indirect determination of the surface dust accumulation on the target air conditioner.

[0074] In this embodiment, the third determining module includes a first acquiring subunit and / or a second acquiring subunit. The first acquiring subunit is used to acquire the difference between the first air volume and the second air volume, and to determine the surface dust accumulation of the target heat exchanger based on the difference between the first air volume and the second air volume. The second acquiring subunit is used to acquire the ratio between the first air volume and the second air volume, and to determine the surface dust accumulation of the target heat exchanger based on the ratio between the first air volume and the second air volume. The surface dust accumulation of the target heat exchanger can be determined more accurately based on the difference or ratio.

[0075] In another optional embodiment, the self-cleaning mode includes a frosting mode preceding the drying mode. The second acquisition unit comprises a third acquisition module, a fourth acquisition module, and a fourth determination module. The third acquisition module acquires the second airflow rate of the indoor fan of the target air conditioner, which is the set airflow rate of the indoor fan at the initial moment when the target heat exchanger is uncontaminated. The initial moment is the moment when the target air conditioner activates the self-cleaning mode. The fourth acquisition module acquires the third airflow rate of the indoor fan of the target air conditioner, which is the airflow rate of the indoor fan at the end moment when the target heat exchanger completes the frosting mode. The fourth determination module determines the surface frost thickness of the target heat exchanger based on the second and third airflow rates. The surface frost thickness of the target air conditioner can be indirectly determined by combining the third and second airflow rates.

[0076] For example, the fourth determining module includes a third acquiring subunit, and / or a fourth acquiring subunit. The third acquiring subunit is used to acquire the difference between the second air volume and the third air volume, and to determine the surface frost thickness of the target heat exchanger based on the difference between the second air volume and the third air volume. The fourth acquiring subunit is used to acquire the ratio between the second air volume and the third air volume, and to determine the surface frost thickness of the target heat exchanger based on the ratio between the second air volume and the third air volume. The surface frost thickness of the target heat exchanger can be determined more accurately based on the difference or ratio.

[0077] In another optional embodiment, the first acquisition unit further includes a fifth acquisition unit, a sixth acquisition unit, and a fifth determination unit. The fifth acquisition unit is used to acquire the cumulative operating time of the target air conditioner, which is the cumulative time from the start of operation to the activation of the self-cleaning mode. The sixth acquisition unit is used to acquire the average concentration of indoor pollutants within the cumulative operating time, where the indoor pollutants are pollutants in the air within the preset space where the target air conditioner is located. The fifth determination unit is used to determine the surface dust accumulation of the target heat exchanger based on the cumulative operating time and the average concentration of indoor pollutants. This allows for a simpler and more explicit determination of the surface dust accumulation of the target heat exchanger.

[0078] The control device for the air conditioner described in this application includes: a first acquisition unit for acquiring the surface dust accumulation of a target heat exchanger, the target heat exchanger being installed inside the target air conditioner, and the surface dust accumulation being the cumulative mass of contaminants on the surface of the target heat exchanger; a second acquisition unit for acquiring the surface frost thickness of the target heat exchanger, the surface frost thickness being the thickness of the frost layer formed on the surface of the target heat exchanger; a determination unit for determining operating parameters of the target air conditioner based on the surface dust accumulation and the surface frost thickness of the target heat exchanger, the operating parameters including drying temperature and drying time; and an execution unit for controlling the target air conditioner to perform self-cleaning based on the operating parameters to reduce the surface dust accumulation and the surface frost thickness of the target heat exchanger, wherein the self-cleaning mode includes a drying process mode. By acquiring the surface dust accumulation and surface frost thickness of the target heat exchanger and appropriately increasing the drying temperature and drying time, this device can more effectively achieve sterilization and improve the sterilization effect. This solves the problem that the actual sterilization temperature or time in the drying stage of the existing air conditioner's self-cleaning program is insufficient, making it difficult to achieve the expected results.

[0079] The control device of the aforementioned air conditioner includes a processor and a memory. The first acquisition unit and others are all stored as program units in the memory, and the processor executes the program units stored in the memory to achieve the corresponding functions. All of the above modules are located in the same processor; alternatively, the various modules may be located in different processors in any combination.

[0080] The processor contains a kernel, which retrieves the corresponding program unit from memory. One or more kernels can be configured; by adjusting kernel parameters, the problem of insufficient actual sterilization temperature or time during the drying stage of the self-cleaning program in existing air conditioners, thus failing to achieve the desired effect, can be addressed.

[0081] The memory may include non-permanent memory in computer-readable media, such as random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash RAM, and the memory includes at least one memory chip.

[0082] This invention provides a computer-readable storage medium including a stored program, wherein, when the program is executed, it controls the device containing the computer-readable storage medium to perform the air conditioner control method.

[0083] Specifically, the control methods for air conditioners include:

[0084] Step S101: Obtain the surface ash accumulation of the target heat exchanger, which is installed inside the target air conditioner. The surface ash accumulation is the cumulative mass of contaminants on the surface of the target heat exchanger. Specifically, since the contaminants on the surface of the target heat exchanger and the frost on the surface of the target heat exchanger obstruct airflow and cause a decrease in airflow, those skilled in the art can understand that the surface ash accumulation of the target heat exchanger is different from parameters such as the airflow generated by the internal fan at the same speed, the pressure difference across the heat exchanger, or the internal fan resistance (expressed as internal fan current). Therefore, the surface ash accumulation of the target heat exchanger can be indirectly characterized by testing the differences in the above parameters.

[0085] Step S103: Obtain the surface frost thickness of the target heat exchanger. The surface frost thickness is the thickness of the frost that forms on the surface of the target heat exchanger. Specifically, those skilled in the art will understand that the surface frost thickness of the target heat exchanger varies depending on parameters such as the airflow generated by the internal fan at the same rotation speed, the pressure difference across the heat exchanger, or the internal fan resistance (expressed as internal fan current). Therefore, the surface frost thickness of the target heat exchanger can be indirectly characterized by testing the differences in these parameters.

[0086] Step S105: Based on the amount of dust accumulation and the thickness of the frost layer on the surface of the target heat exchanger, determine the operating parameters of the target air conditioner. These operating parameters include drying temperature and drying time. Specifically, those skilled in the art will understand that different frost thicknesses naturally result in different defrosting water volumes, and variations in the degree of dirtiness of the heat exchanger will also lead to differences in the amount of residual water remaining on the heat exchanger. This results in variations in the temperature and time required to dry the surface moisture and achieve high-temperature sterilization. Therefore, the target parameters for high-temperature drying and sterilization are related to the amount of residual water, which in turn is related to the actual frost thickness and the degree of dirtiness of the heat exchanger.

[0087] Step S107: Based on the aforementioned operating parameters, the target air conditioner is controlled to perform self-cleaning, thereby reducing the amount of dust accumulation on the surface of the target heat exchanger and decreasing the thickness of the frost layer on the surface of the target heat exchanger. The self-cleaning mode includes a drying process. Specifically, determining and optimizing the temperature and duration of the self-cleaning drying stage based on the amount of residual water after defrosting ensures better cleaning and sterilization effects.

[0088] Optionally, the operating parameters of the target air conditioner are determined based on the surface ash accumulation and frost thickness of the target heat exchanger. These operating parameters include drying temperature and drying time. The process includes: constructing a mapping relationship, which characterizes the mapping between the surface ash accumulation, frost thickness, and residual water volume of the heat exchanger, where residual water volume is the amount of water remaining on the surface of the heat exchanger after defrosting; determining the residual water volume of the target heat exchanger based on the mapping relationship, the surface ash accumulation, and the frost thickness; and determining the drying temperature and drying time based on the residual water volume, wherein the drying temperature and drying time are negatively correlated.

[0089] Optionally, obtaining the surface dust accumulation of the target heat exchanger includes: obtaining the first airflow of the indoor fan of the target air conditioner, wherein the first airflow is the actual airflow of the indoor fan at an initial moment, and the initial moment is the moment when the target air conditioner starts the self-cleaning mode; obtaining the second airflow of the indoor fan of the target air conditioner, wherein the second airflow is the set airflow of the indoor fan at the initial moment when the target heat exchanger is free of contamination; and determining the surface dust accumulation of the target heat exchanger based on the first airflow and the second airflow.

[0090] Optionally, determining the surface dust accumulation of the target heat exchanger based on the first air volume and the second air volume includes: obtaining the difference between the first air volume and the second air volume, and determining the surface dust accumulation of the target heat exchanger based on the difference between the first air volume and the second air volume; and / or, obtaining the ratio of the first air volume to the second air volume, and determining the surface dust accumulation of the target heat exchanger based on the ratio of the first air volume to the second air volume.

[0091] Optionally, the self-cleaning mode includes a frosting mode, which is performed before the drying mode. The frosting mode involves obtaining the surface frost thickness of the target heat exchanger, including: obtaining the second airflow rate of the indoor fan of the target air conditioner, where the second airflow rate is the set airflow rate of the indoor fan at the initial moment when the target heat exchanger is uncontaminated; obtaining the third airflow rate of the indoor fan of the target air conditioner, where the third airflow rate is the airflow rate of the indoor fan at the end moment when the target heat exchanger completes the frosting mode; and determining the surface frost thickness of the target heat exchanger based on the second and third airflow rates.

[0092] Optionally, determining the surface frost thickness of the target heat exchanger based on the second and third air volumes includes: obtaining the difference between the second and third air volumes, and determining the surface ash accumulation of the target heat exchanger based on the difference between the second and third air volumes; and / or, obtaining the ratio of the second and third air volumes; and determining the surface ash accumulation of the target heat exchanger based on the ratio of the second and third air volumes.

[0093] Optionally, obtaining the surface dust accumulation of the target heat exchanger further includes: obtaining the cumulative operating time of the target air conditioner, the cumulative operating time being the cumulative time from the start of operation of the target air conditioner to the activation of the self-cleaning mode; obtaining the average concentration of indoor pollutants within the cumulative operating time, the indoor pollutants being pollutants in the air within the preset space where the target air conditioner is located; and determining the surface dust accumulation of the target heat exchanger based on the cumulative operating time and the average concentration of indoor pollutants.

[0094] This invention provides a processor for running a program, wherein the program executes the control method of the air conditioner.

[0095] Specifically, the control methods for air conditioners include:

[0096] Step S101: Obtain the surface ash accumulation of the target heat exchanger, which is installed inside the target air conditioner. The surface ash accumulation is the cumulative mass of contaminants on the surface of the target heat exchanger. Specifically, since the contaminants on the surface of the target heat exchanger and the frost on the surface of the target heat exchanger obstruct airflow and cause a decrease in airflow, those skilled in the art can understand that the surface ash accumulation of the target heat exchanger is different from parameters such as the airflow generated by the internal fan at the same speed, the pressure difference across the heat exchanger, or the internal fan resistance (expressed as internal fan current). Therefore, the surface ash accumulation of the target heat exchanger can be indirectly characterized by testing the differences in the above parameters.

[0097] Step S103: Obtain the surface frost thickness of the target heat exchanger. The surface frost thickness is the thickness of the frost that forms on the surface of the target heat exchanger. Specifically, those skilled in the art will understand that the surface frost thickness of the target heat exchanger varies depending on parameters such as the airflow generated by the internal fan at the same rotation speed, the pressure difference across the heat exchanger, or the internal fan resistance (expressed as internal fan current). Therefore, the surface frost thickness of the target heat exchanger can be indirectly characterized by testing the differences in these parameters.

[0098] Step S105: Based on the amount of dust accumulation and the thickness of the frost layer on the surface of the target heat exchanger, determine the operating parameters of the target air conditioner. These operating parameters include drying temperature and drying time. Specifically, those skilled in the art will understand that different frost thicknesses naturally result in different defrosting water volumes, and variations in the degree of dirtiness of the heat exchanger will also lead to differences in the amount of residual water remaining on the heat exchanger. This results in variations in the temperature and time required to dry the surface moisture and achieve high-temperature sterilization. Therefore, the target parameters for high-temperature drying and sterilization are related to the amount of residual water, which in turn is related to the actual frost thickness and the degree of dirtiness of the heat exchanger.

[0099] Step S107: Based on the aforementioned operating parameters, the target air conditioner is controlled to perform self-cleaning, thereby reducing the amount of dust accumulation on the surface of the target heat exchanger and decreasing the thickness of the frost layer on the surface of the target heat exchanger. The self-cleaning mode includes a drying process. Specifically, determining and optimizing the temperature and duration of the self-cleaning drying stage based on the amount of residual water after defrosting ensures better cleaning and sterilization effects.

[0100] Optionally, the operating parameters of the target air conditioner are determined based on the surface ash accumulation and frost thickness of the target heat exchanger. These operating parameters include drying temperature and drying time. The process includes: constructing a mapping relationship, which characterizes the mapping between the surface ash accumulation, frost thickness, and residual water volume of the heat exchanger, where residual water volume is the amount of water remaining on the surface of the heat exchanger after defrosting; determining the residual water volume of the target heat exchanger based on the mapping relationship, the surface ash accumulation, and the frost thickness; and determining the drying temperature and drying time based on the residual water volume, wherein the drying temperature and drying time are negatively correlated.

[0101] Optionally, obtaining the surface dust accumulation of the target heat exchanger includes: obtaining the first airflow of the indoor fan of the target air conditioner, wherein the first airflow is the actual airflow of the indoor fan at an initial moment, and the initial moment is the moment when the target air conditioner starts the self-cleaning mode; obtaining the second airflow of the indoor fan of the target air conditioner, wherein the second airflow is the set airflow of the indoor fan at the initial moment when the target heat exchanger is free of contamination; and determining the surface dust accumulation of the target heat exchanger based on the first airflow and the second airflow.

[0102] Optionally, determining the surface dust accumulation of the target heat exchanger based on the first air volume and the second air volume includes: obtaining the difference between the first air volume and the second air volume, and determining the surface dust accumulation of the target heat exchanger based on the difference between the first air volume and the second air volume; and / or, obtaining the ratio of the first air volume to the second air volume, and determining the surface dust accumulation of the target heat exchanger based on the ratio of the first air volume to the second air volume.

[0103] Optionally, the self-cleaning mode includes a frosting mode, which is performed before the drying mode. The frosting mode involves obtaining the surface frost thickness of the target heat exchanger, including: obtaining the second airflow rate of the indoor fan of the target air conditioner, where the second airflow rate is the set airflow rate of the indoor fan at the initial moment when the target heat exchanger is uncontaminated; obtaining the third airflow rate of the indoor fan of the target air conditioner, where the third airflow rate is the airflow rate of the indoor fan at the end moment when the target heat exchanger completes the frosting mode; and determining the surface frost thickness of the target heat exchanger based on the second and third airflow rates.

[0104] Optionally, determining the surface frost thickness of the target heat exchanger based on the second and third air volumes includes: obtaining the difference between the second and third air volumes, and determining the surface ash accumulation of the target heat exchanger based on the difference between the second and third air volumes; and / or, obtaining the ratio of the second and third air volumes; and determining the surface ash accumulation of the target heat exchanger based on the ratio of the second and third air volumes.

[0105] Optionally, obtaining the surface dust accumulation of the target heat exchanger further includes: obtaining the cumulative operating time of the target air conditioner, the cumulative operating time being the cumulative time from the start of operation of the target air conditioner to the activation of the self-cleaning mode; obtaining the average concentration of indoor pollutants within the cumulative operating time, the indoor pollutants being pollutants in the air within the preset space where the target air conditioner is located; and determining the surface dust accumulation of the target heat exchanger based on the cumulative operating time and the average concentration of indoor pollutants.

[0106] This invention provides a device including a processor, a memory, and a program stored in the memory and executable on the processor. When the processor executes the program, it performs at least the following steps:

[0107] Step S101: Obtain the surface dust accumulation of the target heat exchanger, which is installed inside the target air conditioner. The surface dust accumulation is the cumulative mass of contaminants on the surface of the target heat exchanger.

[0108] Step S103: Obtain the surface frost thickness of the target heat exchanger, wherein the surface frost thickness is the thickness of the frost that forms on the surface of the target heat exchanger.

[0109] Step S105: Based on the amount of dust accumulation on the surface of the target heat exchanger and the thickness of the frost layer on the surface of the target heat exchanger, determine the operating parameters of the target air conditioner, including the drying temperature and drying time.

[0110] Step S107: Based on the above operating parameters, control the target air conditioner to perform self-cleaning to reduce the amount of dust accumulation on the surface of the target heat exchanger and reduce the thickness of the frost layer on the surface of the target heat exchanger. The self-cleaning mode includes a drying process mode.

[0111] The devices mentioned in this article can be servers, PCs, tablets, mobile phones, etc.

[0112] Optionally, the operating parameters of the target air conditioner are determined based on the surface ash accumulation and frost thickness of the target heat exchanger. These operating parameters include drying temperature and drying time. The process includes: constructing a mapping relationship, which characterizes the mapping between the surface ash accumulation, frost thickness, and residual water volume of the heat exchanger, where residual water volume is the amount of water remaining on the surface of the heat exchanger after defrosting; determining the residual water volume of the target heat exchanger based on the mapping relationship, the surface ash accumulation, and the frost thickness; and determining the drying temperature and drying time based on the residual water volume, wherein the drying temperature and drying time are negatively correlated.

[0113] Optionally, obtaining the surface dust accumulation of the target heat exchanger includes: obtaining the first airflow of the indoor fan of the target air conditioner, wherein the first airflow is the actual airflow of the indoor fan at an initial moment, and the initial moment is the moment when the target air conditioner starts the self-cleaning mode; obtaining the second airflow of the indoor fan of the target air conditioner, wherein the second airflow is the set airflow of the indoor fan at the initial moment when the target heat exchanger is free of contamination; and determining the surface dust accumulation of the target heat exchanger based on the first airflow and the second airflow.

[0114] Optionally, determining the surface dust accumulation of the target heat exchanger based on the first air volume and the second air volume includes: obtaining the difference between the first air volume and the second air volume, and determining the surface dust accumulation of the target heat exchanger based on the difference between the first air volume and the second air volume; and / or, obtaining the ratio of the first air volume to the second air volume, and determining the surface dust accumulation of the target heat exchanger based on the ratio of the first air volume to the second air volume.

[0115] Optionally, the self-cleaning mode includes a frosting mode, which is performed before the drying mode. The frosting mode involves obtaining the surface frost thickness of the target heat exchanger, including: obtaining the second airflow rate of the indoor fan of the target air conditioner, where the second airflow rate is the set airflow rate of the indoor fan at the initial moment when the target heat exchanger is uncontaminated; obtaining the third airflow rate of the indoor fan of the target air conditioner, where the third airflow rate is the airflow rate of the indoor fan at the end moment when the target heat exchanger completes the frosting mode; and determining the surface frost thickness of the target heat exchanger based on the second and third airflow rates.

[0116] Optionally, determining the surface frost thickness of the target heat exchanger based on the second and third air volumes includes: obtaining the difference between the second and third air volumes, and determining the surface ash accumulation of the target heat exchanger based on the difference between the second and third air volumes; and / or, obtaining the ratio of the second and third air volumes; and determining the surface ash accumulation of the target heat exchanger based on the ratio of the second and third air volumes.

[0117] Optionally, obtaining the surface dust accumulation of the target heat exchanger further includes: obtaining the cumulative operating time of the target air conditioner, the cumulative operating time being the cumulative time from the start of operation of the target air conditioner to the activation of the self-cleaning mode; obtaining the average concentration of indoor pollutants within the cumulative operating time, the indoor pollutants being pollutants in the air within the preset space where the target air conditioner is located; and determining the surface dust accumulation of the target heat exchanger based on the cumulative operating time and the average concentration of indoor pollutants.

[0118] This application also provides a computer program product, which, when executed on a data processing device, is suitable for executing an initialization program having at least the following method steps: An embodiment of the present invention provides a device including a processor, a memory, and a program stored in the memory and executable on the processor. When the processor executes the program, it performs at least the following steps:

[0119] Step S101: Obtain the surface dust accumulation of the target heat exchanger, which is installed inside the target air conditioner. The surface dust accumulation is the cumulative mass of contaminants on the surface of the target heat exchanger.

[0120] Step S103: Obtain the surface frost thickness of the target heat exchanger, wherein the surface frost thickness is the thickness of the frost that forms on the surface of the target heat exchanger.

[0121] Step S105: Based on the amount of dust accumulation on the surface of the target heat exchanger and the thickness of the frost layer on the surface of the target heat exchanger, determine the operating parameters of the target air conditioner, including the drying temperature and drying time.

[0122] Step S107: Based on the above operating parameters, control the target air conditioner to perform self-cleaning to reduce the amount of dust accumulation on the surface of the target heat exchanger and reduce the thickness of the frost layer on the surface of the target heat exchanger. The self-cleaning mode includes a drying process mode.

[0123] Optionally, the operating parameters of the target air conditioner are determined based on the surface ash accumulation and frost thickness of the target heat exchanger. These operating parameters include drying temperature and drying time. The process includes: constructing a mapping relationship, which characterizes the mapping between the surface ash accumulation, frost thickness, and residual water volume of the heat exchanger, where residual water volume is the amount of water remaining on the surface of the heat exchanger after defrosting; determining the residual water volume of the target heat exchanger based on the mapping relationship, the surface ash accumulation, and the frost thickness; and determining the drying temperature and drying time based on the residual water volume, wherein the drying temperature and drying time are negatively correlated.

[0124] Optionally, obtaining the surface dust accumulation of the target heat exchanger includes: obtaining the first airflow of the indoor fan of the target air conditioner, wherein the first airflow is the actual airflow of the indoor fan at an initial moment, and the initial moment is the moment when the target air conditioner starts the self-cleaning mode; obtaining the second airflow of the indoor fan of the target air conditioner, wherein the second airflow is the set airflow of the indoor fan at the initial moment when the target heat exchanger is free of contamination; and determining the surface dust accumulation of the target heat exchanger based on the first airflow and the second airflow.

[0125] Optionally, determining the surface dust accumulation of the target heat exchanger based on the first air volume and the second air volume includes: obtaining the difference between the first air volume and the second air volume, and determining the surface dust accumulation of the target heat exchanger based on the difference between the first air volume and the second air volume; and / or, obtaining the ratio of the first air volume to the second air volume, and determining the surface dust accumulation of the target heat exchanger based on the ratio of the first air volume to the second air volume.

[0126] Optionally, the self-cleaning mode includes a frosting mode, which is performed before the drying mode. The frosting mode involves obtaining the surface frost thickness of the target heat exchanger, including: obtaining the second airflow rate of the indoor fan of the target air conditioner, where the second airflow rate is the set airflow rate of the indoor fan at the initial moment when the target heat exchanger is uncontaminated; obtaining the third airflow rate of the indoor fan of the target air conditioner, where the third airflow rate is the airflow rate of the indoor fan at the end moment when the target heat exchanger completes the frosting mode; and determining the surface frost thickness of the target heat exchanger based on the second and third airflow rates.

[0127] Optionally, determining the surface frost thickness of the target heat exchanger based on the second and third air volumes includes: obtaining the difference between the second and third air volumes, and determining the surface ash accumulation of the target heat exchanger based on the difference between the second and third air volumes; and / or, obtaining the ratio of the second and third air volumes; and determining the surface ash accumulation of the target heat exchanger based on the ratio of the second and third air volumes.

[0128] Optionally, obtaining the surface dust accumulation of the target heat exchanger further includes: obtaining the cumulative operating time of the target air conditioner, the cumulative operating time being the cumulative time from the start of operation of the target air conditioner to the activation of the self-cleaning mode; obtaining the average concentration of indoor pollutants within the cumulative operating time, the indoor pollutants being pollutants in the air within the preset space where the target air conditioner is located; and determining the surface dust accumulation of the target heat exchanger based on the cumulative operating time and the average concentration of indoor pollutants.

[0129] It is obvious to those skilled in the art that the modules or steps of the present invention described above can be implemented using general-purpose computing devices. They can be centralized on a single computing device or distributed across a network of multiple computing devices. They can be implemented using computer-executable program code, and thus can be stored in a storage device for execution by a computing device. In some cases, the steps shown or described can be performed in a different order than those described herein, or they can be fabricated as separate integrated circuit modules, or multiple modules or steps can be fabricated as a single integrated circuit module. Thus, the present invention is not limited to any particular combination of hardware and software.

[0130] Those skilled in the art will understand that embodiments of this application can be provided as methods, systems, or computer program products. Therefore, this application can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0131] This application is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this application. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, generate instructions for implementing the flowchart... Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0132] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0133] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0134] In a typical configuration, a computing device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0135] Memory may include non-persistent memory in computer-readable media, such as random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash RAM. Memory is an example of computer-readable media.

[0136] Computer-readable media includes both permanent and non-permanent, removable and non-removable media that can store information using any method or technology. Information can be computer-readable instructions, data structures, modules of programs, or other data. Examples of computer storage media include, but are not limited to, phase-change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, CD-ROM, digital versatile optical disc (DVD) or other optical storage, magnetic tape, magnetic magnetic disk storage or other magnetic storage devices, or any other non-transferable medium that can be used to store information accessible by a computing device. As defined herein, computer-readable media does not include transient computer-readable media, such as modulated data signals and carrier waves.

[0137] It should also be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0138] As can be seen from the above description, the embodiments of this application achieve the following technical effects:

[0139] 1) The control method for the air conditioner described in this application first obtains the surface dust accumulation of a target heat exchanger, which is installed inside the target air conditioner, and the surface dust accumulation is the cumulative mass of contaminants on the surface of the target heat exchanger; then, it obtains the surface frost thickness of the target heat exchanger, which is the thickness of the frost layer formed on the surface of the target heat exchanger; then, based on the surface dust accumulation and the surface frost thickness of the target heat exchanger, it determines the operating parameters of the target air conditioner, including drying temperature and drying time; finally, based on the operating parameters, it controls the target air conditioner to perform self-cleaning to reduce the surface dust accumulation and the surface frost thickness of the target heat exchanger, wherein the self-cleaning mode includes a drying process mode. This method, by obtaining the surface dust accumulation and surface frost thickness of the target heat exchanger and appropriately increasing the drying temperature and drying time, can more effectively achieve the sterilization function and improve the sterilization effect. It solves the problem that the actual sterilization temperature or time in the drying stage of the existing air conditioner self-cleaning program is insufficient, making it difficult to achieve the expected effect.

[0140] 2) The control device for the air conditioner described in this application includes: a first acquisition unit for acquiring the surface dust accumulation of a target heat exchanger, the target heat exchanger being installed inside the target air conditioner, and the surface dust accumulation being the cumulative mass of contaminants on the surface of the target heat exchanger; a second acquisition unit for acquiring the surface frost thickness of the target heat exchanger, the surface frost thickness being the thickness of the frost layer formed on the surface of the target heat exchanger; a determination unit for determining operating parameters of the target air conditioner based on the surface dust accumulation and the surface frost thickness of the target heat exchanger, the operating parameters including drying temperature and drying time; and an execution unit for controlling the target air conditioner to perform self-cleaning based on the operating parameters to reduce the surface dust accumulation and the surface frost thickness of the target heat exchanger, wherein the self-cleaning mode includes a drying process mode. This device, by acquiring the surface dust accumulation and surface frost thickness of the target heat exchanger and appropriately increasing the drying temperature and drying time, can more effectively achieve the sterilization function and improve the sterilization effect. This solves the problem that the actual sterilization temperature or time in the drying stage of the existing air conditioner's self-cleaning program is insufficient, making it difficult to achieve the expected results.

[0141] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A control method for an air conditioner, characterized in that, include: The surface dust accumulation of the target heat exchanger, which is installed inside the target air conditioner, is obtained. The surface dust accumulation is the cumulative mass of contaminants on the surface of the target heat exchanger. The thickness of the frost layer on the surface of the target heat exchanger is obtained, where the thickness of the frost layer is the thickness of the frost that forms on the surface of the target heat exchanger. The operating parameters of the target air conditioner are determined based on the amount of dust accumulation on the surface of the target heat exchanger and the thickness of the frost layer on the surface of the target heat exchanger. The operating parameters include drying temperature and drying time. Based on the operating parameters, the target air conditioner is controlled to perform self-cleaning, thereby reducing the amount of dust accumulation on the surface of the target heat exchanger and reducing the thickness of the frost layer on the surface of the target heat exchanger. The self-cleaning mode includes a drying process mode. Based on the surface dust accumulation and frost thickness of the target heat exchanger, the operating parameters of the target air conditioner are determined. These operating parameters include drying temperature and drying time. A mapping relationship is constructed, which is used to characterize the mapping relationship between the amount of surface dust accumulation of the heat exchanger, the thickness of the surface frost layer of the heat exchanger, and the amount of residual water in the heat exchanger. The amount of residual water in the heat exchanger is the amount of water remaining on the surface of the heat exchanger after defrosting. The residual water content of the target heat exchanger is determined based on the mapping relationship, the amount of ash accumulation on the surface of the target heat exchanger, and the thickness of the frost layer on the surface of the target heat exchanger. The drying temperature and the drying time are determined based on the residual water volume of the target heat exchanger, wherein the drying temperature and the drying time are negatively correlated.

2. The control method according to claim 1, characterized in that, To obtain the surface dust accumulation of the target heat exchanger, including: The first air volume of the indoor fan of the target air conditioner is obtained. The first air volume is the actual air volume of the indoor fan at the initial moment. The initial moment is the moment when the target air conditioner turns on the self-cleaning mode. The second air volume of the indoor fan of the target air conditioner is obtained, wherein the second air volume is the set air volume of the indoor fan at the initial moment when the target heat exchanger is free from pollution; The amount of dust accumulation on the surface of the target heat exchanger is determined based on the first air volume and the second air volume.

3. The control method according to claim 2, characterized in that, Determining the surface dust accumulation of the target heat exchanger based on the first air volume and the second air volume includes: The difference between the first air volume and the second air volume is obtained, and the surface dust accumulation of the target heat exchanger is determined based on the difference between the first air volume and the second air volume. And / or, Obtain the ratio of the first air volume to the second air volume, and determine the surface dust accumulation of the target heat exchanger based on the ratio of the first air volume to the second air volume.

4. The control method according to claim 1, characterized in that, The self-cleaning mode includes a frosting treatment mode, which, prior to the drying treatment mode, acquires the surface frost layer thickness of the target heat exchanger, including: The second air volume of the indoor fan of the target air conditioner is obtained. The second air volume is the set air volume of the indoor fan at the initial moment when the target heat exchanger is free from pollution. The initial moment is the moment when the target air conditioner turns on the self-cleaning mode. The third air volume of the indoor fan of the target air conditioner is obtained. The third air volume is the air volume of the indoor fan at the end time. The end time is the time when the target heat exchanger completes the frosting treatment mode. The thickness of the frost layer on the surface of the target heat exchanger is determined based on the second and third air volume.

5. The control method according to claim 4, characterized in that, Determining the surface frost thickness of the target heat exchanger based on the second and third airflow rates includes: The difference between the second air volume and the third air volume is obtained, and the surface frost thickness of the target heat exchanger is determined based on the difference between the second air volume and the third air volume. And / or, Obtain the ratio of the second air volume to the third air volume; and determine the surface frost thickness of the target heat exchanger based on the ratio of the second air volume to the third air volume.

6. The control method according to any one of claims 1 to 5, characterized in that, Obtaining the surface dust accumulation of the target heat exchanger also includes: The cumulative runtime of the target air conditioner is obtained, which is the cumulative time from the start of operation to the activation of the self-cleaning mode. The average concentration of indoor pollutants within the cumulative operating time is obtained, wherein the indoor pollutants are the pollutants in the air within the preset space where the target air conditioner is located; The surface dust accumulation of the target heat exchanger is determined based on the cumulative operating time and the average concentration of indoor pollutants.

7. A control device for an air conditioner, characterized in that, include: The first acquisition unit is used to acquire the surface ash accumulation of the target heat exchanger, which is installed inside the target air conditioner, and the surface ash accumulation is the cumulative mass of contaminants on the surface of the target heat exchanger. The second acquisition unit is used to acquire the surface frost thickness of the target heat exchanger, wherein the surface frost thickness is the thickness of the frost that forms on the surface of the target heat exchanger. The determining unit is used to determine the operating parameters of the target air conditioner based on the amount of dust accumulation on the surface of the target heat exchanger and the thickness of the frost layer on the surface of the target heat exchanger. The operating parameters include drying temperature and drying time. An execution unit is configured to control the target air conditioner to perform self-cleaning based on the operating parameters, thereby reducing the amount of dust accumulation on the surface of the target heat exchanger and reducing the thickness of the frost layer on the surface of the target heat exchanger. The self-cleaning mode includes a drying process mode. The determining unit includes a construction module, a first determining module, and a second determining module. The construction module is used to construct a mapping relationship, which characterizes the mapping relationship between the surface ash accumulation of the heat exchanger, the surface frost thickness of the heat exchanger, and the residual water volume of the heat exchanger. The residual water volume of the heat exchanger is the amount of water remaining on the surface of the heat exchanger after defrosting. The first determining module is used to determine the residual water volume of the target heat exchanger based on the mapping relationship, the surface ash accumulation of the target heat exchanger, and the surface frost thickness of the target heat exchanger. The second determining module is used to determine the drying temperature and the drying time based on the residual water volume of the target heat exchanger, wherein the drying temperature and the drying time are negatively correlated.

8. A computer-readable storage medium, characterized in that, The computer-readable storage medium includes a stored program, wherein, when the program is executed, it controls the device containing the computer-readable storage medium to perform the control method of the air conditioner according to any one of claims 1 to 6.

9. An air conditioner, characterized in that, include: One or more processors, a memory, a display device, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including a control method for performing an air conditioner according to any one of claims 1 to 6.

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