CN115614920A

CN115614920A - Method and device for controlling electronic expansion valve, air conditioner and storage medium

Info

Publication number: CN115614920A
Application number: CN202211255636.1A
Authority: CN
Inventors: 周小光; 宋力钊; 房玉博
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-01-17

Abstract

The application relates to the technical field of intelligent household appliances, and discloses a method for controlling an electronic expansion valve, which comprises the following steps: acquiring the frequency and the current operation mode of a compressor; determining a target temperature according to the current operation mode; determining a defrosting correction coefficient according to the current operation mode; determining a target gas discharge temperature according to the target temperature, the compressor frequency and the defrosting correction coefficient; and controlling the electronic expansion valve to operate according to the target spitting temperature. Thus, the target expiratory temperature is affected differently due to different parameters in different current operating modes. Therefore, the target temperature and the defrosting correction coefficient are determined according to the current operation mode, and the target spitting temperature is calculated. The target air-out temperature can be more reasonably determined, so that the electronic expansion valve can be more reasonably adjusted, and the refrigeration effect of the air conditioner is improved. The application also discloses a device for controlling the electronic expansion valve, an air conditioner and a storage medium.

Description

Method and device for controlling electronic expansion valve, air conditioner and storage medium

Technical Field

The present invention relates to the field of intelligent household appliance technology, and for example, to a method and an apparatus for controlling an electronic expansion valve, an air conditioner, and a storage medium.

Background

Generally, an electronic expansion valve needs to be controlled in the operation process of an air conditioner so as to adjust the refrigerating capacity of the air conditioner, and the air conditioner has a good refrigerating effect. In the related art, the discharge air temperature is generally calculated based on the compressor frequency and the outdoor ambient temperature, and the electronic expansion valve is controlled based on the discharge air temperature.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: the air outlet temperature is calculated only according to the frequency of the compressor and the outdoor environment temperature, and the calculated air outlet temperature is unreasonable, so that the control on the electronic expansion valve is unreasonable, and the refrigerating effect of the air conditioner is poor.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a method and a device for controlling an electronic expansion valve, an air conditioner and a storage medium, so that the refrigeration effect of the air conditioner can be improved.

In some embodiments, the method for controlling an electronic expansion valve comprises: acquiring the frequency and the current operation mode of a compressor; determining a target temperature according to the current operation mode; determining a defrosting correction coefficient according to the current operation mode; determining a target air-discharge temperature according to the target temperature, the compressor frequency and the defrosting correction coefficient; and controlling the electronic expansion valve to operate according to the target gas spitting temperature.

In some embodiments, the determining the target temperature according to the current operation mode includes: under the condition that the current operation mode is a refrigeration operation mode, acquiring outdoor environment temperature; determining the outdoor ambient temperature as a target temperature; and/or acquiring the indoor environment temperature under the condition that the current operation mode is the heating operation mode; determining the indoor ambient temperature as a target temperature.

In some embodiments, the determining the defrosting correction coefficient according to the current operation mode includes: under the condition that the current operation mode is a refrigeration operation mode, determining a first preset value as a defrosting correction coefficient; and/or acquiring the outdoor environment temperature under the condition that the current operation mode is the heating operation mode; and determining a defrosting correction coefficient according to the outdoor environment temperature.

In some embodiments, determining a defrost correction factor based on the outdoor ambient temperature comprises: determining a first preset value as a defrosting correction coefficient under the condition that the outdoor environment temperature is in a preset range; otherwise, calculating by using the outdoor environment temperature according to a first preset algorithm to obtain a defrosting correction coefficient.

In some embodiments, the calculating according to a first preset algorithm by using the outdoor environment temperature to obtain the defrosting correction coefficient includes: calculating d =2 | -Tao +2 | -18 to obtain a defrosting correction coefficient; wherein d is a defrosting correction coefficient; tao is the outdoor ambient temperature.

In some embodiments, determining a target discharge temperature based on the target temperature, the compressor frequency, and the defrost correction factor comprises: acquiring a compressor coefficient, an outer ring temperature coefficient and a conventional coefficient; and determining a target gas discharge temperature according to the compressor coefficient, the outer ring temperature coefficient, the conventional coefficient, the target temperature, the compressor frequency and the defrosting correction coefficient.

In some embodiments, determining a target discharge air temperature based on the compressor coefficient, the outer ring temperature coefficient, the normal coefficient, the target temperature, the compressor frequency, and the defrost correction coefficient comprises: calculating DisT = K1 × Hz + K2 × Tca + c + d to obtain a target spitting temperature; wherein DisT is the target expiratory temperature; k1 is the compressor coefficient; hz is the compressor frequency; k2 is the outer ring temperature coefficient; tca is the target temperature; c is a conventional coefficient; d is the defrosting correction coefficient.

In some embodiments, the apparatus for controlling an electronic expansion valve comprises: an acquisition module configured to acquire a compressor frequency and a current operation mode; a target temperature determination module configured to determine a target temperature according to the current operating mode; a defrosting correction coefficient determination module configured to determine a defrosting correction coefficient according to the current operation mode; a target gas discharge temperature determination module configured to determine a target gas discharge temperature based on the target temperature, the compressor frequency, and the defrost correction factor; and the operation module is configured to control the operation of the electronic expansion valve according to the target spitting air temperature.

In some embodiments, the air conditioner includes a processor and a memory storing program instructions, the processor being configured to execute the above-described method for controlling an electronic expansion valve when executing the program instructions.

In some embodiments, the storage medium stores program instructions that, when executed, perform the method for controlling an electronic expansion valve described above.

The method and the device for controlling the electronic expansion valve, the air conditioner and the storage medium provided by the embodiment of the disclosure can realize the following technical effects: by acquiring the compressor frequency and the current operating mode. And determining the target temperature according to the current operation mode. And determining a defrosting correction coefficient according to the current operation mode. And determining the target air discharge temperature according to the target temperature, the compressor frequency and the defrosting correction coefficient. And controlling the electronic expansion valve to operate according to the target gas spitting temperature. Thus, the target discharge temperature is affected differently in different current operating modes due to different parameters. Therefore, the target temperature and the defrosting correction coefficient are determined according to the current operation mode, and the target spitting temperature is calculated. The target air-out temperature can be more reasonably determined, so that the electronic expansion valve can be more reasonably adjusted, and the refrigeration effect of the air conditioner is improved.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated in the accompanying drawings, which correspond to the accompanying drawings and not in a limiting sense, in which elements having the same reference numeral designations represent like elements, and in which:

fig. 1 is a schematic diagram of a first method for controlling an electronic expansion valve provided by an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a second method for controlling an electronic expansion valve provided by an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of a third method for controlling an electronic expansion valve provided by an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of a fourth method for controlling an electronic expansion valve provided by embodiments of the present disclosure;

FIG. 5 is a schematic diagram of an apparatus for controlling an electronic expansion valve according to an embodiment of the present disclosure;

fig. 6 is a schematic diagram of an air conditioner according to an embodiment of the present disclosure.

Detailed Description

So that the manner in which the features and advantages of the embodiments of the present disclosure can be understood in detail, a more particular description of the embodiments of the disclosure, briefly summarized above, may be had by reference to the appended drawings, which are included to illustrate, but are not intended to limit the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order 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 in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and claims of the embodiments of the disclosure and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged as appropriate for the embodiments of the disclosure described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The term "plurality" means two or more, unless otherwise specified.

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

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. E.g., a and/or B, represents: a or B, or A and B.

The application is applied to the air conditioner and used for improving the refrigeration effect of the air conditioner. By acquiring the compressor frequency and the current operating mode. And determining the target temperature according to the current operation mode. And determining a defrosting correction coefficient according to the current operation mode. And determining the target air-discharge temperature according to the target temperature, the compressor frequency and the defrosting correction coefficient. And controlling the electronic expansion valve to operate according to the target gas spitting temperature. Thus, the target discharge temperature is affected differently in different current operating modes due to different parameters. Therefore, the target temperature and the defrosting correction coefficient are determined according to the current operation mode, and the target spitting temperature is calculated. The target air-out temperature can be more reasonably determined, so that the electronic expansion valve can be more reasonably adjusted, and the refrigerating effect of the air conditioner can be improved.

With reference to fig. 1, a first method for controlling an electronic expansion valve is provided in an embodiment of the present disclosure, including:

step S101, the air conditioner acquires the frequency of the compressor and the current operation mode.

And S102, the air conditioner determines the target temperature according to the current operation mode.

And step S103, the air conditioner determines a defrosting correction coefficient according to the current operation mode.

And step S104, the air conditioner determines the target air-out temperature according to the target temperature, the compressor frequency and the defrosting correction coefficient.

And step S105, controlling the operation of the electronic expansion valve by the air conditioner according to the target spitting temperature.

By adopting the method for controlling the electronic expansion valve provided by the embodiment of the disclosure, the frequency of the compressor and the current operation mode are obtained. And determining the target temperature according to the current operation mode. And determining a defrosting correction coefficient according to the current operation mode. And determining the target air-discharge temperature according to the target temperature, the compressor frequency and the defrosting correction coefficient. And controlling the electronic expansion valve to operate according to the target gas spitting temperature. Thus, the target discharge temperature is affected differently in different current operating modes due to different parameters. Therefore, the target temperature and the defrosting correction coefficient are determined according to the current operation mode, and the target spitting temperature is calculated. The target air-out temperature can be more reasonably determined, so that the electronic expansion valve can be more reasonably adjusted, and the refrigeration effect of the air conditioner is improved.

Optionally, the determining the target temperature according to the current operation mode includes: under the condition that the current operation mode is a refrigeration operation mode, acquiring the outdoor environment temperature; determining an outdoor ambient temperature as a target temperature; and/or acquiring the indoor environment temperature under the condition that the current operation mode is the heating operation mode; the indoor ambient temperature is determined as a target temperature. The current operation mode is a mode in which the air conditioner operates when the air conditioner executes the instruction for acquiring the current operation mode. Thus, the target discharge temperature is affected differently in different current operation modes due to the temperature. In the case of operating the cooling operation mode, the outdoor ambient temperature is acquired as the target temperature. In the case of operating the heating operation mode, the indoor ambient temperature is acquired as the target temperature. And further the degree of influence of the bonding temperature on the target exhalation temperature. Therefore, the target air-out temperature can be more reasonably determined, the electronic expansion valve can be more reasonably adjusted, and the refrigeration effect of the air conditioner is improved.

Referring to fig. 2, a second method for controlling an electronic expansion valve is provided in an embodiment of the present disclosure, including:

in step S201, the air conditioner acquires the compressor frequency and the current operation mode, and then performs step S202.

In step S202, the air conditioner determines a defrosting correction coefficient according to the current operation mode, and then performs step S203.

In step S203, the air conditioner determines whether the current operation mode is the cooling operation mode. If the current operation mode is the cooling operation mode, step S204 is performed. If the current operation mode is not the cooling operation mode, step S205 is performed.

Step S204, the air conditioner acquires the outdoor ambient temperature; the outdoor ambient temperature is determined as the target temperature and then step S207 is performed.

In step S205, the air conditioner determines whether the current operation mode is the heating operation mode. If the current operation mode is the heating operation mode, executing step S206; if the current operation mode is not the heating operation mode, step S209 is executed.

Step S206, the air conditioner obtains the indoor environment temperature; the indoor ambient temperature is determined as the target temperature, and then step S207 is performed.

In step S207, the air conditioner determines a target discharge temperature according to the target temperature, the compressor frequency, and the defrost correction coefficient, and then performs step S208.

And step S208, controlling the operation of the electronic expansion valve by the air conditioner according to the target spitting temperature.

In step S209, the flow ends.

By adopting the method for controlling the electronic expansion valve provided by the embodiment of the disclosure, the frequency of the compressor and the current operation mode are obtained. And determining the target temperature according to the current operation mode. And determining a defrosting correction coefficient according to the current operation mode. And determining the target air-discharge temperature according to the target temperature, the compressor frequency and the defrosting correction coefficient. And controlling the electronic expansion valve to operate according to the target gas spitting temperature. Thus, the target discharge temperature is affected differently in different current operating modes due to different parameters. Therefore, the target temperature and the defrosting correction coefficient are determined according to the current operation mode, and then the target spitting temperature is calculated. The target air-out temperature can be more reasonably determined, so that the electronic expansion valve can be more reasonably adjusted, and the refrigerating effect of the air conditioner can be improved.

In some embodiments, the air conditioner is provided with a temperature sensor, and the outdoor ambient temperature is acquired through the temperature sensor. Or, a temperature sensor is arranged outdoors, and the temperature sensor transmits the outdoor environment temperature to the air conditioner in a wireless transmission mode. Or the temperature sensor is arranged outdoors, the temperature sensor transmits the outdoor environment temperature to the server in a wireless transmission mode, and the air conditioner receives the outdoor environment temperature sent by the server. Wherein, wireless transmission mode includes bluetooth, wifi etc..

In some embodiments, the air conditioner is provided with a temperature sensor, and the indoor ambient temperature is acquired through the temperature sensor. Or, the indoor temperature sensor is arranged and transmits the indoor environment temperature to the air conditioner in a wireless transmission mode. Or, the indoor temperature sensor is arranged indoors, the indoor environment temperature is transmitted to the server through the temperature sensor in a wireless transmission mode, and the air conditioner receives the indoor environment temperature sent by the server. Wherein, wireless transmission mode includes bluetooth, wifi etc..

Optionally, determining the defrosting correction factor according to the current operation mode includes: under the condition that the current operation mode is a refrigeration operation mode, determining a first preset value as a defrosting correction coefficient; and/or acquiring the outdoor environment temperature under the condition that the current operation mode is the heating operation mode; and determining a defrosting correction coefficient according to the outdoor environment temperature. Wherein the first predetermined value is 0.

Further, determining a defrost correction factor based on the outdoor ambient temperature includes: under the condition that the outdoor environment temperature is in a preset range, determining a first preset value as a defrosting correction coefficient; otherwise, calculating by using the outdoor environment temperature according to a first preset algorithm to obtain a defrosting correction coefficient. Wherein the preset range is-10 ℃ to 6 ℃. Thus, when the heating is performed, the frost formation region is at-10 to 6 degrees centigrade. Therefore, when the outdoor environment temperature is within the preset range, the first preset value is set to represent the influence of the air conditioner frosting on the target air-spitting temperature. And when the outdoor environment temperature is not in the preset range, the influence of the frosting of the air conditioner on the target air spitting temperature is reflected through a first preset algorithm. The defrosting correction coefficient is adjusted according to different frosting conditions of the air conditioner, and the target air-out temperature can be reasonably determined, so that the operation of the electronic expansion valve can be reasonably adjusted, and the control of the electronic expansion valve can be more reasonable.

Referring to fig. 3, a third method for controlling an electronic expansion valve is provided in an embodiment of the present disclosure, including:

in step S301, the air conditioner acquires the compressor frequency and the current operation mode, and then performs step S302.

In step S302, the air conditioner determines a target temperature according to the current operation mode, and then performs step S303.

In step S303, the air conditioner determines whether the current operation mode is the cooling operation mode. If the current operation mode is the cooling operation mode, step S304 is performed. If the current operation mode is not the cooling operation mode, step S305 is performed.

Step S304, the air conditioner determines a first preset value as a defrosting correction coefficient; then, step S307 is executed.

In step S305, the air conditioner determines whether the current operation mode is the heating operation mode. Executing step S306 under the condition that the current operation mode is the heating operation mode; in the case where the current operation mode is not the heating operation mode, step S309 is performed.

Step S306, the air conditioner obtains the outdoor environment temperature; determining a defrosting correction coefficient according to the outdoor environment temperature; then, step S307 is executed.

In step S307, the air conditioner determines a target discharge temperature according to the target temperature, the compressor frequency, and the defrost correction coefficient, and then performs step S308.

And step S308, controlling the electronic expansion valve to operate according to the target air-spitting temperature by the air conditioner.

In step S309, the flow ends.

Further, calculating by using the outdoor environment temperature according to a first preset algorithm to obtain a defrosting correction coefficient, including: obtaining a defrosting correction coefficient by calculating d =2 | -Tao +2 | -18; wherein d is a defrosting correction coefficient; tao is the outdoor ambient temperature. Where ". X" is a multiplication.

Optionally, determining the target discharge temperature based on the target temperature, the compressor frequency, and the defrost correction factor comprises: acquiring a compressor coefficient, an outer ring temperature coefficient and a conventional coefficient; and determining the target air discharge temperature according to the compressor coefficient, the outer ring temperature coefficient, the conventional coefficient, the target temperature, the compressor frequency and the defrosting correction coefficient.

Further, the compressor coefficient is obtained by: acquiring the model of an air conditioner; and performing table look-up operation on the air conditioner model by using a preset first parameter database to obtain a compressor coefficient corresponding to the air conditioner model. The first parameter database stores the corresponding relation between the air conditioner model and the compressor coefficient.

Further, the outer ring temperature coefficient is obtained by the following method: acquiring the type of an air conditioner; and performing table look-up operation on the air conditioner model by using a preset second parameter database to obtain an outer loop temperature coefficient corresponding to the air conditioner model. The second parameter database stores the corresponding relation between the air conditioner model and the external environment temperature coefficient.

Further, the regular coefficient is obtained by: acquiring the type of an air conditioner; and performing table look-up operation on the air conditioner model by using a preset third parameter database to obtain a conventional coefficient corresponding to the air conditioner model. The third parameter database stores the corresponding relation between the air conditioner model and the conventional coefficient. In some embodiments, the first parameter database, the second parameter database, and the third parameter database are the same database. In this way, the compressor coefficient, the outer ring temperature coefficient and the conventional coefficient are matched through the air conditioner model. The calculated target air-discharge temperature can be more consistent with the characteristics of the air conditioner. Therefore, the target spitting temperature can be more reasonably determined, and the electronic expansion valve can be more reasonably controlled.

Further, determining a target discharge temperature according to the compressor coefficient, the outer ring temperature coefficient, the conventional coefficient, the target temperature, the compressor frequency and the defrosting correction coefficient includes: obtaining a target gas spitting temperature by calculating DisT = K1 Hz + K2 Tca + c + d; wherein DisT is the target expiratory temperature; k1 is the compressor coefficient; hz is the compressor frequency; k2 is the outer ring temperature coefficient; tca is the target temperature; c is a conventional coefficient; d is the defrosting correction coefficient. Thus, the target discharge air temperature is determined based on the compressor coefficient, the outer ring temperature coefficient, the normal coefficient, the target temperature, the compressor frequency, and the defrost correction coefficient, rather than calculating the discharge air temperature from only the compressor frequency and the outdoor ambient temperature. The calculated target air-out temperature is more reasonable, so that the control of the electronic expansion valve is more reasonable, and the refrigeration effect of the air conditioner is improved.

Optionally, controlling the operation of the electronic expansion valve according to the target spitting air temperature comprises: and performing table look-up operation on the target air spitting temperature by using a preset control database to obtain the opening degree of the expansion valve corresponding to the target air spitting temperature. And controlling the electronic expansion valve to operate according to the opening degree of the expansion valve. The control database stores a correspondence relationship between a target discharge air temperature and an opening degree of the expansion valve.

With reference to fig. 4, a fourth method for controlling an electronic expansion valve is provided in an embodiment of the present disclosure, including:

in step S401, the air conditioner acquires the compressor frequency and the current operation mode.

And step S402, the air conditioner determines a target temperature according to the current operation mode.

In step S403, the air conditioner determines a defrosting correction coefficient according to the current operation mode.

In step S404, the air conditioner determines a target air-discharge temperature according to the target temperature, the compressor frequency and the defrosting correction coefficient.

Step S405, the air conditioner performs table look-up operation on the target air-spitting temperature by using a preset control database to obtain the opening degree of an expansion valve corresponding to the target air-spitting temperature; and controlling the electronic expansion valve to operate according to the opening degree of the expansion valve.

By adopting the method for controlling the electronic expansion valve provided by the embodiment of the disclosure, the frequency of the compressor and the current operation mode are obtained through the air conditioner. And determining the target temperature according to the current operation mode. And determining a defrosting correction coefficient according to the current operation mode. And determining the target air-discharge temperature according to the target temperature, the compressor frequency and the defrosting correction coefficient. Performing table look-up operation on the target spitting temperature by using a preset control database to obtain the opening degree of the expansion valve corresponding to the target spitting temperature; and controlling the electronic expansion valve to operate according to the opening degree of the expansion valve. Thus, the target expiratory temperature is affected differently due to different parameters in different current operating modes. Therefore, the target temperature and the defrosting correction coefficient are determined according to the current operation mode, and then the target spitting temperature is calculated. The target air-out temperature can be more reasonably determined, so that the electronic expansion valve can be more reasonably adjusted, and the refrigeration effect of the air conditioner is improved.

Referring to fig. 5, an embodiment of the present disclosure discloses an apparatus 1 for controlling an electronic expansion valve, including: the device comprises an acquisition module 2, a target temperature determination module 3, a defrosting correction coefficient determination module 4, a target spitting air temperature determination module 5 and an operation module 6. An acquisition module 2 configured to acquire a compressor frequency and a current operation mode; a target temperature determination module 3 configured to determine a target temperature according to a current operation mode; a defrosting correction coefficient determination module 4 configured to determine a defrosting correction coefficient according to the current operation mode; a target gas-discharge temperature determination module 5 configured to determine a target gas-discharge temperature from the target temperature, the compressor frequency, and the defrost correction coefficient; and the operation module 6 is configured to control the operation of the electronic expansion valve according to the target spitting air temperature.

By adopting the device for controlling the electronic expansion valve provided by the embodiment of the disclosure, the frequency and the current operation mode of the compressor are obtained through the obtaining module. The target temperature determination module determines a target temperature according to a current operation mode. And the defrosting correction coefficient determining module determines a defrosting correction coefficient according to the current operation mode. A target discharge temperature determination module determines a target discharge temperature based on the target temperature, the compressor frequency, and the defrost correction factor. The operation module controls the operation of the electronic expansion valve according to the target spitting temperature. Thus, the target discharge temperature is affected differently in different current operating modes due to different parameters. Therefore, the target temperature and the defrosting correction coefficient are determined according to the current operation mode, and the target spitting temperature is calculated. The target air-out temperature can be more reasonably determined, so that the electronic expansion valve can be more reasonably adjusted, and the refrigeration effect of the air conditioner is improved.

As shown in fig. 6, an embodiment of the present disclosure provides an air conditioner 7 including a processor (processor) 8 and a memory (memory) 9. Optionally, the apparatus may further include a Communication Interface (Communication Interface) 10 and a bus 11. The processor 8, the communication interface 10 and the memory 9 may communicate with each other through a bus 11. Communication interface 10 may be used for information transfer. The processor 8 may call logic instructions in the memory 9 to perform the method for controlling an electronic expansion valve of the above embodiment.

Furthermore, the logic instructions in the memory 9 may be implemented in the form of software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product.

The memory 9 is a computer readable storage medium, and can be used for storing software programs, computer executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 8 executes functional applications and data processing by executing program instructions/modules stored in the memory 9, i.e. implements the method for controlling the electronic expansion valve in the above-described embodiment.

The memory 9 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 air conditioner, and the like. Further, the memory 9 may include a high-speed random access memory, and may also include a nonvolatile memory.

By adopting the air conditioner disclosed by the embodiment of the disclosure, the frequency of the compressor and the current operation mode are obtained. And determining the target temperature according to the current operation mode. And determining a defrosting correction coefficient according to the current operation mode. And determining the target air discharge temperature according to the target temperature, the compressor frequency and the defrosting correction coefficient. And controlling the electronic expansion valve to operate according to the target spitting temperature. Thus, the target expiratory temperature is affected differently due to different parameters in different current operating modes. Therefore, the target temperature and the defrosting correction coefficient are determined according to the current operation mode, and then the target spitting temperature is calculated. The target air-out temperature can be more reasonably determined, so that the electronic expansion valve can be more reasonably adjusted, and the refrigerating effect of the air conditioner can be improved.

The embodiment of the disclosure provides a storage medium storing program instructions, which when executed, execute the method for controlling an electronic expansion valve.

Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described method for controlling an electronic expansion valve.

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

The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising a" \8230; "does not exclude the presence of additional like elements in a process, method or apparatus comprising the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosure, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.

Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be only one type of logical functional division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are 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, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown 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 description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed 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 by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

Claims

1. A method for controlling an electronic expansion valve, comprising:

acquiring the frequency and the current operation mode of a compressor;

determining a target temperature according to the current operation mode;

determining a defrosting correction coefficient according to the current operation mode;

determining a target air-discharge temperature according to the target temperature, the compressor frequency and the defrosting correction coefficient;

and controlling the electronic expansion valve to operate according to the target gas spitting temperature.

2. The method of claim 1, wherein the current operating mode is a cooling operating mode or a heating operating mode, and wherein determining a target temperature based on the current operating mode comprises:

under the condition that the current operation mode is a refrigeration operation mode, acquiring the outdoor environment temperature; determining the outdoor ambient temperature as a target temperature; and/or the presence of a gas in the gas,

acquiring the indoor environment temperature under the condition that the current operation mode is the heating operation mode; determining the indoor ambient temperature as a target temperature.

3. The method of claim 1, wherein the current operating mode is a cooling operating mode or a heating operating mode, and wherein determining a defrost correction factor based on the current operating mode comprises:

under the condition that the current operation mode is a refrigeration operation mode, determining a first preset value as a defrosting correction coefficient; and/or the presence of a gas in the gas,

under the condition that the current operation mode is a heating operation mode, acquiring outdoor environment temperature; and determining a defrosting correction coefficient according to the outdoor environment temperature.

4. The method of claim 3, wherein determining a defrost correction factor based on the outdoor ambient temperature comprises:

determining a first preset value as a defrosting correction coefficient under the condition that the outdoor environment temperature is in a preset range; otherwise, calculating by using the outdoor environment temperature according to a first preset algorithm to obtain a defrosting correction coefficient.

5. The method of claim 4, wherein calculating using the outdoor ambient temperature according to a first predetermined algorithm to obtain a defrost correction factor comprises:

calculating d =2 | -Tao +2 | -18 to obtain a defrosting correction coefficient;

wherein d is a defrosting correction coefficient; tao is the outdoor ambient temperature.

6. The method of claim 1, wherein determining a target de-aeration temperature based on the target temperature, the compressor frequency, and the defrost correction factor comprises:

acquiring a compressor coefficient, an outer ring temperature coefficient and a conventional coefficient;

and determining a target air discharge temperature according to the compressor coefficient, the outer ring temperature coefficient, the conventional coefficient, the target temperature, the compressor frequency and the defrosting correction coefficient.

7. The method of claim 6, wherein determining a target de-aeration temperature from the compressor coefficient, the outer loop temperature coefficient, the normal coefficient, the target temperature, the compressor frequency, and the defrost correction coefficient comprises:

calculating DisT = K1 Hz + K2 Tca + c + d to obtain a target gas spitting temperature;

wherein DisT is the target expiratory temperature; k1 is the compressor coefficient; hz is the compressor frequency; k2 is the outer ring temperature coefficient; tca is the target temperature; c is a conventional coefficient; d is the defrosting correction coefficient.

8. An apparatus for controlling an electronic expansion valve, comprising:

an acquisition module configured to acquire a compressor frequency and a current operation mode;

a target temperature determination module configured to determine a target temperature according to the current operating mode;

a defrosting correction coefficient determination module configured to determine a defrosting correction coefficient according to the current operation mode;

a target gas discharge temperature determination module configured to determine a target gas discharge temperature based on the target temperature, the compressor frequency, and the defrost correction factor;

an operation module configured to control an electronic expansion valve to operate according to the target spitting air temperature.

9. An air conditioner comprising a processor and a memory storing program instructions, characterized in that the processor is configured to perform the method for controlling an electronic expansion valve according to any of claims 1 to 7 when executing the program instructions.

10. A storage medium storing program instructions which, when executed, perform a method for controlling an electronic expansion valve according to any one of claims 1 to 7.