CN110469942B - Self-cleaning device and method of air conditioning system and air conditioner - Google Patents

Abstract

The application relates to a self-cleaning device of an air conditioning system, comprising: a cleaning module configured to spray a cleaning liquid to clean a heat exchanger of the air conditioning system; an aeration module configured to provide the cleaning solution with an aeration effect; and a controller configured to control an aeration operation of the aeration module according to the state parameter of the heat exchanger. The aeration module is arranged on the heat exchanger, so that the cleaning liquid in the self-cleaning process generates cavitation, and the dust is stripped from the heat exchanger by utilizing cavitation bubble breakage, thereby accelerating the self-cleaning speed. The application also discloses a self-cleaning method of the air conditioning system and an air conditioner.

Description

Self-cleaning device, method and air conditioner for air conditioning system

technical field

The present application relates to the technical field of air conditioners, for example, to a self-cleaning device and method of an air conditioning system, and an air conditioner.

Background technique

The air conditioner is a device that can cool/heat indoors. With the passage of time, the accumulation of dust on the indoor unit and outdoor unit of the air conditioner will gradually increase. After the accumulation of dust to a certain extent, a large number of bacteria will breed, especially indoors. When the air flows through the indoor unit, it will carry a lot of dust and bacteria, so the air conditioner needs to be cleaned in time. At present, many air conditioners have been provided with the self-cleaning function of the air conditioner, including a related technology that cleans the heat exchanger by flushing dust with condensed water.

In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art: in the cleaning process, since some oily dust and the outer wall of the heat exchanger are firmly adhered, it takes a long time to repeatedly wash To ensure the cleaning effect, the overall time of the air conditioner cleaning process takes a long time.

SUMMARY OF THE INVENTION

In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not intended to be an extensive review, nor to identify key/critical elements or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

Embodiments of the present disclosure provide a self-cleaning device for an air conditioning system.

In some embodiments, the apparatus includes: a cleaning module configured to spray cleaning liquid to clean the heat exchanger of the air conditioning system; an aeration module configured to cause the cleaning liquid to have an aeration effect and a controller configured to control the aeration operation of the aeration module according to the state parameters of the heat exchanger.

This embodiment provides a self-cleaning method for an air conditioning system.

In some embodiments, the method includes: when the cleaning module is in a working state of a self-cleaning mode, acquiring a state parameter of the heat exchanger; and controlling the aeration module of the aeration module according to the state parameter of the heat exchanger Air operation.

Embodiments of the present disclosure provide an air conditioner.

In some embodiments, the air conditioner includes: the above-mentioned self-cleaning device of the air conditioning system.

Embodiments of the present disclosure provide an electronic device.

In some embodiments, the electronic device includes:

at least one processor; and

a memory communicatively coupled to the at least one processor; wherein,

The memory stores instructions executable by the at least one processor, and when the instructions are executed by the at least one processor, the at least one processor causes the at least one processor to execute the above-described self-cleaning method for an air conditioning system.

Embodiments of the present disclosure provide a computer-readable storage medium.

In some embodiments, the computer-readable storage medium stores computer-executable instructions configured to perform the above-described self-cleaning method of an air-conditioning system.

Embodiments of the present disclosure provide a computer program product.

In some embodiments, the computer program product includes a computer program stored on a computer-readable storage medium, the computer program including program instructions that, when executed by a computer, cause the computer to execute the above-described air The self-cleaning method of the conditioning system.

Some technical solutions provided by the embodiments of the present disclosure can achieve the following technical effects:

In the embodiment of the present disclosure, by arranging an aeration module on the heat exchanger, the cleaning liquid in the self-cleaning process produces cavitation, and the cavitation bubbles are ruptured to peel off the dust from the heat exchanger, thereby speeding up the rate of self-cleaning.

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

Description of drawings

One or more embodiments are exemplified by the accompanying drawings, which are not intended to limit the embodiments, and elements with the same reference numerals in the drawings are shown as similar elements, The drawings do not constitute a limitation of scale, and in which:

1 is a schematic diagram of a self-cleaning device of an air conditioning system provided by an embodiment of the present disclosure;

2 is a second schematic diagram of a self-cleaning device of an air conditioning system provided by an embodiment of the present disclosure;

3 is a schematic diagram of a controller of a self-cleaning device of an air conditioning system provided by an embodiment of the present disclosure;

4 is a flowchart of a self-cleaning method for an air conditioning system provided by an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of an air conditioner provided by an embodiment of the present disclosure; and

FIG. 6 is a schematic structural diagram of an electronic device provided by an embodiment of the present disclosure.

Reference number:

10: Aeration module; 11: Ultrasonic component; 111: Ultrasonic generator; 112: Ultrasonic transducer;

20: cleaning module; 21: spray pipe; 22: water pump;

30: heat exchanger; 31: thickness detection sensor; 32: timer; 33: temperature sensor;

40: controller;

50: air conditioner;

60: processor; 601: memory; 602: communication interface; 603: bus.

Detailed ways

In order to understand the features and technical contents 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, which are for reference only and are not intended to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, numerous 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 in order to simplify the drawings.

An embodiment of the present disclosure provides a self-cleaning device for an air conditioning system, as shown in FIG. 1 , including:

The cleaning module 20 is configured to spray cleaning liquid to clean the heat exchanger 30 of the air conditioner;

an aeration module 10 arranged to aerate the cleaning liquid; and

The controller 40 is configured to control the aeration operation of the aeration module 10 according to the state parameters of the heat exchanger 30 .

In some embodiments, the aeration module 10 is used to aerate the cleaning liquid sprayed by the spray device, so that it has the aeration effect to form bubbles, and when the bubbles burst, a strong shock wave is generated, and the fouling layer is self-contained in the heat exchanger. The surface layer of 30 peels off, disperses, emulsifies and falls off. The aeration module 10 is disposed on one or more outer sides of the outer wall of the heat exchanger 30 shell. Optionally, the aeration module 10 is arranged on the top of the outer wall of the heat exchanger 30, and the cleaning liquid sprayed by the spray device forms bubbles from top to bottom, so that the bubbles adhere to the heat exchanger from top to bottom. After cleaning and peeling off the outer wall of the shell of the heat exchanger 30, it falls into the water receiving tray at the bottom of the heat exchanger 30; optionally, the aeration module 10 is arranged at the bottom of the outer wall of the shell of the heat exchanger 30, and the cleaning solution is first matched with the The bottom of the heat exchanger 30 with more fouling is aerated. Optionally, the aeration module 10 is arranged on the side of the outer wall of the heat exchanger 30, and the heat exchanger 30 is surrounded by aeration, and the aeration is carried out from the middle section of the heat exchanger 30 to both ends, and the cleaning progress distribution is more uniform. . Optionally, the aeration module 10 may be an aeration pump, a microporous aerator or an ultrasonic assembly 11 .

In some embodiments, as shown in FIG. 2 , the aeration module 10 includes an ultrasonic component 11 ; the ultrasonic component 11 is configured to aerate the cleaning liquid to cause cavitation of the cleaning liquid. Optionally, the ultrasonic assembly 11 includes an ultrasonic generator 111, and an ultrasonic transducer 112 connected with the ultrasonic generator 111; the ultrasonic transducer 112 is configured to cavitate the cleaning liquid. Ultrasonic action on the medium will produce a series of physical and chemical reactions, including cavitation effect, mechanical effect and thermal effect. Among them, the cavitation effect means that when the ultrasonic wave passes through the liquid medium, cavitation bubbles are generated, and the ultrasonic wave propagates in the medium in the form of alternating positive and negative pressure. This propagation form causes the volume of the cavitation bubbles to become larger and larger. When sized, the cavitation bubbles collapse, producing energy. Applied to this embodiment, the ultrasonic component 11 acts on the cleaning liquid, so that the cleaning liquid generates cavitation bubbles due to the cavitation phenomenon. It is peeled off under the action; the cavitation bubbles penetrate into the gaps and gaps between the fouling layer formed by the impact and the surface layer of the heat exchanger 30, and the cavitation bubbles and the sound pressure expand and contract synchronously, so they repeatedly act on the fouling layer, the fouling The layer continues to be peeled off, and the cavitation bubbles continue to penetrate inward until the fouling layer is completely peeled off.

Optionally, there are two or more ultrasonic transducers 112 , which are evenly distributed on the outer wall of the shell of the heat exchanger 30 . The ultrasonic transducers 112 are arranged in a uniform distribution, so that the emitted ultrasonic waves can cover the heat exchanger 30 evenly, and the cavitation bubbles can be distributed more comprehensively, thereby improving the cleaning rate.

Optionally, two or more ultrasonic transducers 112 are provided, and are circumferentially arranged on the outer wall of the shell of the heat exchanger 30 . The ultrasonic transducers 112 are arranged in the circumferential direction, so that the emitted ultrasonic waves can cover the heat exchanger 30 in an all-round way, thereby improving the cleaning rate.

In some embodiments, the cleaning module 20 includes a spray pipe 21 disposed on the outer wall of the shell of the heat exchanger 30 , and the spray pipe 21 sprays the heat exchanger 30 with cleaning liquid. Optionally, the liquid inlet end of the spray pipe 21 is connected to the cleaning liquid tank; optionally, a water pump 22 is also provided on the spray pipe 21, and the cleaning hydraulic pressure in the cleaning liquid tank is injected into the spray pipe 21, The shower pipe 21 is sprayed onto the shell of the heat exchanger 30 . Optionally, the cleaning solution is RT-808 ultrasonic cleaning agent. The dissolving process of the cleaning agent to the dirt can be accelerated by the ultrasonic component 11, so that the chemical cleaning and the physical cleaning are combined, and the self-cleaning time is further shortened.

In some embodiments, the controller 40 is further configured to obtain the working state of the cleaning module 20; when the cleaning module 20 is in the working state of the self-cleaning mode, control the aeration module according to the state parameters of the heat exchanger 30 10 aeration operations. Optionally, in the working state of the self-cleaning mode, for example, the water pump 22 of the cleaning device starts to run, and the water pump 22 is connected to the controller 40 through wired or wireless communication. By configuring the controller 40, when the cleaning module 20 is in the working state of the self-cleaning mode, the state parameters of the heat exchanger 30 are obtained, and the aeration operation of the aeration module 10 is controlled according to the state parameters. When the cleaning module 20 is not in the working state of the self-cleaning mode, the active acquisition of the state parameters of the heat exchanger 3020 is not performed, which avoids frequent starting and stopping of various electrical components and prolongs the service life of the device.

In some embodiments, as shown in FIG. 3 , the controller 40 is configured to: control the aeration operation of the aeration module 10 according to one or more of the following state parameters of the heat exchanger 30 : the shell of the heat exchanger 30 The thickness of the fouling layer on the outer wall; the self-cleaning interval time of the heat exchanger 30 ; the temperature of the outer wall of the shell of the heat exchanger 30 .

In some embodiments, the controller 40 is configured to: control one or more of the following aeration operations of the aeration module 10 according to the state parameters of the heat exchanger 30: the operating frequency of the aeration module 10; the aeration module 10 The working power of the aeration module 10; the working time of the aeration module 10. Optionally, the operating frequency of the aeration module 10 is, for example, the operating frequency of the ultrasonic component 11 , and the operating frequency of the ultrasonic transducer 112 is changed by controlling the output frequency of the ultrasonic generator 111 . Optionally, the working power of the aeration module 10 is, for example, the working power of the ultrasonic assembly 11, and the working power of the ultrasonic assembly 11 is changed by controlling the input voltage. Optionally, the working time of the aeration module 10 , for example, the working time of the ultrasonic component 11 , is controlled by the timer 32 connected to the controller 40 .

Optionally, the thickness of the fouling layer on the outer wall of the shell of the heat exchanger 30 is obtained by the thickness detection sensor 31, and the thickness detection sensor 31 is connected to the controller 40 through wired or wireless communication. Optionally, the thickness of the fouling layer on the outer wall of the shell of the heat exchanger 30 is proportional to the operating frequency of the aeration module 10. The thicker the fouling layer thickness, the higher the operating frequency of the controller 40 to control the aeration module 10. The operating frequency of the ultrasonic component 11 is higher. Optionally, the thickness of the fouling layer on the outer wall of the shell of the heat exchanger 30 is proportional to the working power of the aeration module 10. The thicker the fouling layer thickness, the higher the working power of the aeration module 10 is controlled by the controller 40. The higher the working power of the ultrasonic component 11 is. Optionally, the thickness of the fouling layer on the outer wall of the shell of the heat exchanger 30 is proportional to the working time of the aeration module 10. The thicker the fouling layer thickness, the longer the controller 40 controls the working time of the aeration module 10, and the controller 40 controls The longer the working time of the ultrasonic assembly 11 is.

Optionally, the self-cleaning interval duration of the heat exchanger 30 is obtained through the timer 32, and the timer 32 is connected to the controller 40 through wired or wireless communication; the self-cleaning interval duration of the heat exchanger 30 is obtained from the heat exchanger 30 Counted from the end of the last self-cleaning mode. Optionally, the self-cleaning interval of the heat exchanger 30 is proportional to the operating frequency of the aeration module 10. The longer the self-cleaning interval is, the higher the operating frequency of the aeration module 10 is controlled by the controller 40. The operating frequency of the ultrasonic component 11 is higher. Optionally, the duration of the self-cleaning interval of the heat exchanger 30 is proportional to the working power of the aeration module 10. The longer the self-cleaning interval is, the higher the working power of the aeration module 10 is controlled by the controller 40, and the higher the working power of the controller 40 is to control the ultrasonic wave. The higher the operating power of the component 11 . Optionally, the self-cleaning interval of the heat exchanger 30 is proportional to the working time of the aeration module 10. The longer the self-cleaning interval is, the longer the controller 40 controls the working time of the aeration module 10, and the controller 40 controls the ultrasonic wave. The longer the working time of the component 11.

Optionally, the temperature of the outer wall of the shell of the heat exchanger 30 is obtained through a temperature sensor 33, and the temperature sensor 33 is connected to the controller 40 through wired or wireless communication. Optionally, the temperature of the outer wall of the shell of the heat exchanger 30 is inversely proportional to the operating frequency of the aeration module 10. The lower the temperature of the outer wall of the shell is, the higher the operating frequency of the aeration module 10 is controlled by the controller 40. The operating frequency of the ultrasonic component 11 is higher. Optionally, the temperature of the outer wall of the shell of the heat exchanger 30 is inversely proportional to the working power of the aeration module 10. The higher the working power of the ultrasonic component 11 is. Optionally, the temperature of the shell outer wall of the heat exchanger 30 is inversely proportional to the working time of the aeration module 10. The lower the temperature of the shell outer wall is, the longer the controller 40 controls the working time of the aeration module 10, and the controller 40 controls The longer the working time of the ultrasonic assembly 11 is.

In some embodiments, the controller 40 is further configured to control the cleaning module 20 to cooperate with the heat exchanger 30 according to the state parameters of the heat exchanger 30 . Optionally, according to the thickness of the fouling layer on the outer wall of the shell of the heat exchanger 30 and the self-cleaning time interval of the heat exchanger 30, the cleaning module 20 is controlled to work with the heat exchanger 30. When the self-cleaning time interval meets the first set threshold, according to the numerical relationship between the thickness of the fouling layer on the outer wall of the heat exchanger 30 and the second set threshold, the cleaning module 20 and the heat exchanger 30 are controlled to work together; 30 When the thickness of the dirt layer on the outer wall of the shell meets the second set threshold, control the heat exchanger 30 to first run the self-cleaning process of first frosting and then defrosting, and then the cleaning module 20 starts to spray cleaning liquid, and the aeration module 10 according to the dirt The thickness of the layer is adjusted to the working frequency, so that the cleaning liquid has an aeration effect, and cavitation bubbles are formed to perform secondary cleaning on the heat exchanger 30; when the thickness of the dirt layer on the outer wall of the heat exchanger 30 shell does not meet the second set threshold, change the The heat exchanger 30 does not run the self-cleaning process of first frosting and then defrosting, the cleaning module 20 sprays the cleaning liquid on the heat exchanger 30, and the aeration module 10 adjusts the working frequency according to the thickness of the dirt layer, so that the cleaning liquid has an aeration effect, The formation of cavitation bubbles cleans the heat exchanger 30 . When the self-cleaning time interval satisfies the first set threshold, and when the thickness of the dirt layer does not meet the second set threshold, the dirt layer is relatively thin, and the operation of the aeration module 10 in conjunction with the cleaning module 20 can achieve rapid cleaning; the thickness of the dirt layer When the second set threshold is met, the fouling layer is thick, and the heat exchanger 30 and the cleaning module 20 operate cooperatively, which can quickly complete the self-cleaning process of the heat exchanger 30, further shorten the self-cleaning time, and improve the self-cleaning efficiency.

The embodiment of the present disclosure provides a self-cleaning method for an air conditioning system, as shown in FIG. 4 , including:

S400, when the cleaning module is in the working state of the self-cleaning mode, obtain the state parameters of the heat exchanger;

S401, according to the state parameter of the heat exchanger, control the aeration operation of the aeration module.

According to the working state of the cleaning module of the air conditioning system, it is determined whether to acquire the state parameters of the heat exchanger. When the working state of the cleaning module is in the working state of the self-cleaning mode, the state parameters of the heat exchanger are obtained; when the working state of the cleaning module of the air conditioning system is in the working state of the non-self-cleaning mode, the heat exchanger is not performed. Get the status parameter of . Optionally, for example, the water pump of the cleaning device starts to run, and the water pump is connected to the controller through wired or wireless communication. When the heat exchanger is in a non-self-cleaning mode, no active acquisition of the state parameters of the heat exchanger is performed, which avoids frequent starting and stopping of various electrical components and prolongs the service life of the device.

In some embodiments, in step S401, the state parameters of the heat exchanger include one or more of the following: the thickness of the fouling layer on the outer wall of the shell of the heat exchanger; the self-cleaning interval time of the heat exchanger; The temperature of the outer wall of the housing.

In some embodiments, in step S401, controlling the aeration operation of the aeration module includes controlling the next one or more aeration operations of the aeration module: the working frequency of the aeration module; the working power of the aeration module; The working time of the aeration module. Optionally, the working frequency of the aeration module, for example, the working frequency of the ultrasonic component, can be changed by controlling the output frequency. Optionally, the working power of the aeration module is changed by controlling the input voltage. Optionally, the working time of the aeration module is controlled by a timer connected to the controller.

Optionally, the thickness of the fouling layer on the outer wall of the shell of the heat exchanger is obtained by a thickness detection sensor, and the thickness detection sensor is connected to the controller through wired or wireless communication. Optionally, in step S401, the thickness of the fouling layer on the outer wall of the shell of the heat exchanger is proportional to the working frequency of the aeration module; the thickness of the fouling layer on the outer wall of the shell of the heat exchanger is proportional to the working power of the aeration module; The thickness of the fouling layer on the outer wall of the shell of the heater is proportional to the working time of the aeration module.

Optionally, the self-cleaning interval of the heat exchanger is obtained through a timer, and the timer is connected to the controller through wired or wireless communication; to calculate. Optionally, in step S401, the duration of the self-cleaning interval of the heat exchanger is proportional to the working frequency of the aeration module; the duration of the self-cleaning interval of the heat exchanger is proportional to the working power of the aeration module; The duration of the self-cleaning interval is proportional to the working time of the aeration module.

Optionally, the temperature of the outer wall of the shell of the heat exchanger is obtained through a temperature sensor, and the temperature sensor is connected to the controller through wired or wireless communication. Optionally, in step S401, the temperature of the shell outer wall of the heat exchanger is inversely proportional to the working frequency of the aeration module; the temperature of the shell outer wall of the heat exchanger is inversely proportional to the working power of the aeration module; the shell of the heat exchanger is inversely proportional to the working power of the aeration module. The external wall temperature is inversely proportional to the working time of the aeration module.

Optionally, in step S401, controlling the aeration operation of the aeration module according to the state parameters of the heat exchanger, including: when the state parameters of the heat exchanger meet the set conditions, controlling the aeration module to cooperate with the heat exchanger to operate. Optionally, the defrosting operation is performed cooperatively, including controlling the heat exchanger to enter a self-cleaning mode of first defrosting and then defrosting, and then controlling the defrosting module to perform aeration operation when the state parameters of the heat exchanger meet the set conditions.

An embodiment of the present disclosure provides an air conditioner 50, as shown in FIG. 5, including the above-mentioned self-cleaning device for an air conditioning system.

In some embodiments, the self-cleaning device of the air conditioning system is used to self-clean the indoor side heat exchanger 30 of the air conditioner 50 . The controller 50 of the self-cleaning device of the air conditioning system operates after the cleaning module 20 enters the self-cleaning mode according to the operation instruction of the air conditioner 50. The controller 50 controls the self-cleaning device according to the state parameters of the heat exchanger 30 on the indoor side. The aeration operation of the aeration module 10 can shorten the self-cleaning time of the air conditioner 50 and improve the self-cleaning efficiency of the air conditioner 50 . Optionally, the self-cleaning device of the air conditioning system can also be used to self-clean the outdoor side heat exchanger 30 of the air conditioner 50 .

Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions, where the computer-executable instructions are configured to execute the above-mentioned self-cleaning method for an air conditioning system.

The 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, and when the program instructions are executed by a computer, the computer is made to execute the above air conditioning system. Self-cleaning method.

The above-mentioned computer-readable storage medium may be a transient computer-readable storage medium, and may also be a non-transitory computer-readable storage medium.

An embodiment of the present disclosure provides an electronic device, the structure of which is shown in FIG. 6 , and the electronic device includes:

At least one processor (processor) 600, a processor 600 is taken as an example in FIG. 6; and a memory (memory) 601, which may also include a communication interface (Communication Interface) 602 and a bus 603. The processor 600 , the communication interface 602 , and the memory 601 can communicate with each other through the bus 603 . Communication interface 602 may be used for information transfer. The processor 600 may invoke the logic instructions in the memory 601 to execute the self-cleaning method of the air conditioning system of the above-mentioned embodiment.

In addition, the above-mentioned logic instructions in the memory 601 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 601 can be used to store software programs and computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 600 executes functional applications and data processing by running the software programs, instructions and modules stored in the memory 601, that is, to implement the self-cleaning method of the air conditioning system in the above method embodiments.

The memory 601 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, the memory 601 may include high-speed random access memory, and may also include non-volatile memory.

The technical solutions of the embodiments of the present disclosure may be embodied in the form of software products, and the computer software products are stored in a storage medium and include one or more instructions to enable a computer device (which may be a personal computer, a server, or a network equipment, etc.) to execute all or part of the steps of the methods described in the embodiments of the present disclosure. The aforementioned storage medium may be a non-transitory storage medium, including: U disk, removable 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 codes, and can also be a transient storage medium.

The foregoing description and drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural, logical, electrical, process, and other changes. The examples represent only possible variations. Unless expressly required, individual components and functions 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. The scope of the disclosed embodiments includes the full scope of the claims, along with all available equivalents of the claims. When used in this application, although the terms "first," "second," etc. may be used in this application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, without changing the meaning of the description, a first element could be termed a second element, and similarly, a second element could be termed a first element, so long as all occurrences of "the first element" were consistently renamed and all occurrences of "the first element" were named consistently The "second element" can be renamed consistently. The first element and the second element are both elements, but may not be the same element. Also, the terms used in this application are used to describe the embodiments only and not to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a" (a), "an" (an) and "the" (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 include any and all possible combinations of one or more of the associated listings. Additionally, when used in this application, the term "comprise" and its variations "comprises" and/or including and/or the like refer to stated features, integers, steps, operations, elements, and/or The presence of a component does not preclude 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 qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, or device that includes the element. Herein, each embodiment may focus on the differences from other embodiments, and the same and similar parts between the various embodiments may refer to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method section disclosed in the embodiments, reference may be made to the description of the method section for relevant parts.

Those skilled in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented by 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. Skilled artisans may use different methods for implementing the described functionality for each particular application, but such implementations should not be considered beyond the scope of the disclosed embodiments. The skilled person can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described systems, devices and units can refer to the corresponding processes in the foregoing method embodiments, and details are not repeated here.

In the embodiments disclosed herein, the disclosed methods and products (including but not limited to apparatuses, devices, etc.) may be implemented in other ways. For example, the apparatus 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 omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection 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 components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. This embodiment may be implemented by selecting some or all of the units according to actual needs. 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 flowchart 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 functions for implementing the specified logical function(s) executable instructions. In some alternative implementations, the functions noted in the blocks may occur out of the order noted in the figures. For example, two blocks in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon 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 different sequences than those disclosed in the description, and sometimes there is no specific relationship between different operations or steps. order. For example, two consecutive operations or steps may, in fact, be performed substantially concurrently, or they may sometimes be performed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented in special purpose hardware-based systems that perform the specified functions or actions, or special purpose hardware implemented in combination with computer instructions.

Claims (6)

1. A self-cleaning device for an air-conditioning system, characterized in that, comprising: a cleaning module, configured to spray cleaning liquid to clean the heat exchanger of the air conditioning system; an aeration module, disposed on one or more outer sides of the outer wall of the heat exchanger shell, configured to aerate the cleaning liquid; and a controller configured to control the aeration operation of the aeration module according to the state parameters of the heat exchanger; Wherein, the aeration module includes an ultrasonic component; the ultrasonic component is configured to cause cavitation of the cleaning liquid; the ultrasonic component includes an ultrasonic generator, and an ultrasonic transducer connected with the ultrasonic generator ; the ultrasonic transducer is set to cavitate the cleaning liquid; the ultrasonic transducer is provided with a plurality of and circumferentially arranged on the outer wall of the shell of the heat exchanger; The state parameters of the heat exchanger include: the thickness of the fouling layer on the outer wall of the shell of the heat exchanger; and, the self-cleaning interval time of the heat exchanger; The controlling the aeration operation of the aeration module according to the state parameters of the heat exchanger includes: in the case that the state parameters of the heat exchanger satisfy a set condition, controlling the aeration module to communicate with the aeration module. The heaters work together; The controlling the aeration module to cooperate with the heat exchanger to operate under the condition that the state parameter of the heat exchanger satisfies the set condition includes: when the self-cleaning interval duration of the heat exchanger satisfies the first set condition; In the case of a certain threshold value, according to the numerical relationship between the thickness of the fouling layer on the outer wall of the heat exchanger shell and the second set threshold value, the cleaning module is controlled to cooperate with the heat exchanger; in the heat exchanger shell When the thickness of the dirt layer on the outer wall satisfies the second set threshold, the heat exchanger is controlled to first run the self-cleaning process of first frosting and then defrosting, and then the cleaning module starts to spray cleaning liquid, and the The aeration module adjusts the working frequency according to the thickness of the fouling layer, so that the cleaning liquid has an aeration effect and forms cavitation bubbles for secondary cleaning of the heat exchanger; In the case that the thickness of the fouling layer on the outer wall of the heat exchanger shell does not meet the second set threshold, the heat exchanger does not run the self-cleaning process of first frosting and then defrosting. The heat exchanger is sprayed with cleaning liquid, and the aeration module adjusts the working frequency according to the thickness of the fouling layer, so that the cleaning liquid has an aeration effect and forms cavitation bubbles to clean the heat exchanger; Wherein, the state parameter of the heat exchanger satisfies the set condition, including: the self-cleaning interval duration of the heat exchanger satisfies the first set threshold, and the thickness of the fouling layer on the outer wall of the heat exchanger shell satisfies all the set conditions. the second set threshold. 2 . The device according to claim 1 , wherein the ultrasonic transducers are provided with two or more than two and are evenly distributed on the outer wall of the shell of the heat exchanger. 3 . 3. The apparatus of claim 1, wherein the controller is further configured to: obtain the working status of the cleaning module; and When the cleaning module is in the working state of the self-cleaning mode, the aeration operation of the aeration module is controlled according to the state parameters of the heat exchanger. 4. A self-cleaning method for an air conditioning system, comprising: In the case where the cleaning module is in the working state of the self-cleaning mode, obtain the state parameters of the heat exchanger; and Control the aeration operation of the aeration module according to the state parameters of the heat exchanger; Wherein, the aeration module is arranged on one or more outer surfaces of the outer wall of the heat exchanger shell; the aeration module includes an ultrasonic component; the ultrasonic component is configured to cause cavitation of the cleaning liquid; the The ultrasonic component includes an ultrasonic generator and an ultrasonic transducer connected with the ultrasonic generator; the ultrasonic transducer is configured to cavitate the cleaning liquid; the ultrasonic transducer is provided with a plurality of, and circumferentially arranged on the outer wall of the shell of the heat exchanger; The state parameters of the heat exchanger include: the thickness of the fouling layer on the outer wall of the shell of the heat exchanger; and, the self-cleaning interval time of the heat exchanger; The controlling the aeration operation of the aeration module according to the state parameters of the heat exchanger includes: in the case that the state parameters of the heat exchanger satisfy a set condition, controlling the aeration module to communicate with the aeration module. The heaters work together; The controlling the aeration module to cooperate with the heat exchanger to operate under the condition that the state parameter of the heat exchanger meets the set condition includes: when the self-cleaning interval duration of the heat exchanger satisfies the first set condition; In the case of a certain threshold value, according to the numerical relationship between the thickness of the fouling layer on the outer wall of the heat exchanger shell and the second set threshold value, the cleaning module is controlled to cooperate with the heat exchanger; in the heat exchanger shell When the thickness of the dirt layer on the outer wall satisfies the second set threshold, the heat exchanger is controlled to first run the self-cleaning process of first frosting and then defrosting, and then the cleaning module starts to spray cleaning liquid, and the The aeration module adjusts the working frequency according to the thickness of the fouling layer, so that the cleaning liquid has an aeration effect and forms cavitation bubbles for secondary cleaning of the heat exchanger; In the case that the thickness of the fouling layer on the outer wall of the heat exchanger shell does not meet the second set threshold, the heat exchanger does not run the self-cleaning process of first frosting and then defrosting. The heat exchanger is sprayed with cleaning liquid, and the aeration module adjusts the working frequency according to the thickness of the fouling layer, so that the cleaning liquid has an aeration effect and forms cavitation bubbles to clean the heat exchanger; Wherein, the state parameter of the heat exchanger satisfies the set condition, including: the self-cleaning interval duration of the heat exchanger satisfies the first set threshold, and the thickness of the fouling layer on the outer wall of the heat exchanger shell satisfies all the set conditions. the second set threshold. 5. The method according to claim 4, wherein said controlling the aeration operation of the aeration module comprises controlling one or more of the following aeration operations of the aeration module: the operating frequency of the aeration module; the working power of the aeration module; The working time of the aeration module. 6. An air conditioner, characterized by comprising the self-cleaning device for an air conditioning system according to any one of claims 1 to 3.

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