CN115435479A

CN115435479A - Control method and control device for air conditioner and storage medium

Info

Publication number: CN115435479A
Application number: CN202211096244.5A
Authority: CN
Inventors: 张心怡; 王飞; 许文明; 林超; 王麒澄
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: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-12-06
Also published as: WO2024051020A1

Abstract

The application relates to the technical field of air conditioners, and discloses a control method for an air conditioner, which comprises the following steps: the air conditioner comprises a compressor, a four-way valve, an indoor heat exchanger, a throttling device and an outdoor heat exchanger, wherein the indoor heat exchanger comprises a first heat exchange passage, a second heat exchange passage, a third heat exchange passage, a first bypass pipeline and a second bypass pipeline. The first control valve is arranged on the first bypass pipeline; the second control valve is arranged on the second bypass pipeline; the control method comprises the following steps: acquiring an operation mode of the air conditioner; and controlling the on-off states of the first control valve and the second control valve according to the running mode of the air conditioner. Therefore, the heat exchange area of the indoor heat exchanger can be adjusted, and the energy efficiency of the air conditioner is greatly improved. The embodiment of the disclosure also provides a control device and a storage medium for the air conditioner.

Description

Control method and control device for air conditioner and storage medium

Technical Field

The present invention relates to the field of air conditioner technology, and for example, to a control method and a control device for an air conditioner, and a storage medium.

Background

At present, an air conditioner generally comprises a refrigerant circulation loop consisting of a compressor, an indoor heat exchanger, a throttling device, a four-way valve and an outdoor heat exchanger, and the flow direction of a refrigerant in the refrigerant circulation loop is changed by the four-way valve, so that the refrigeration function and the heating function of the air conditioner are respectively realized. When the air conditioner operates in a refrigeration mode, the indoor heat exchanger serves as an evaporator; when the air conditioner operates in a heating mode, the indoor heat exchanger serves as a condenser; the circulation flow directions of the refrigerant in different modes are opposite, and the circulation paths of the refrigerant in different modes affect the refrigeration and heating performances of the indoor heat exchanger and the air conditioner.

The related art discloses a heat exchanger for an air conditioning device and the air conditioning device, which comprise a heat exchange section and a supercooling section which are connected in series, wherein the supercooling section is provided with a main pipe section and at least one bypass pipe section, and each bypass pipe section is connected with at least part of the main pipe section in parallel; and each bypass pipe section is provided with a one-way valve which is communicated in one way, and the orientation of the one-way valve is arranged as follows: when the heat exchanger is used as a condenser, the bypass pipe section where the heat exchanger is located is blocked so that the refrigerant only flows through the main pipe section, and when the heat exchanger is used as an evaporator, the bypass pipe section where the heat exchanger is located is conducted so that the refrigerant is divided into at least two flow paths in the supercooling section and flows through the main pipe section and each bypass pipe section respectively.

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:

although the flow path of the heat exchanger is variable in different operation modes, the heat exchange area cannot be adjusted in the same mode, so that the energy efficiency of the heat exchanger is low.

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 control method and a control device for an air conditioner and a storage medium, and solves the problem that the heat exchange area cannot be adjusted in the same mode.

In some embodiments, the control method for an air conditioner includes: the air conditioner includes compressor, cross valve, indoor heat exchanger, throttling arrangement and outdoor heat exchanger, wherein, indoor heat exchanger includes:

the refrigerant pipes form a first heat exchange passage, a second heat exchange passage and a third heat exchange passage;

the first flow dividing element is communicated with the first end of the first heat exchange passage and is provided with a first refrigerant inlet and a first refrigerant outlet;

a second flow dividing element communicating the first end of the second heat exchange path and the first end of the third heat exchange path, the second flow dividing element communicating with the first flow dividing element through a first bypass line;

a third flow dividing element communicating the second end of the first heat exchange passage and the second end of the second heat exchange passage;

the fourth flow dividing element is communicated with the second end of the third heat exchange passage, is provided with a second refrigerant inlet and outlet and is communicated with the third flow dividing element through a second bypass pipeline;

the first control valve is arranged on the first bypass pipeline;

the second control valve is arranged on the second bypass pipeline;

the control method comprises the following steps:

acquiring an operation mode of the air conditioner;

and controlling the on-off states of the first control valve and the second control valve according to the running mode of the air conditioner.

In some embodiments, the control device for an air conditioner includes a processor and a memory storing program instructions, wherein the processor is configured to execute the control method for an air conditioner according to any one of the above embodiments when executing the program instructions.

In some embodiments, the storage medium stores program instructions that, when executed, perform the control method for an air conditioner according to any one of the above embodiments.

The control method, the control device and the storage medium for the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:

in the heating mode of the air conditioner, a refrigerant enters the first flow dividing element from the first refrigerant inlet and outlet; in the air conditioner in a refrigerating mode, the refrigerant enters the fourth flow dividing element from the second refrigerant inlet and outlet. Furthermore, the on-off state of the first control valve and the second control valve is controlled, the heat exchange area of the indoor heat exchanger in the same mode can be adjusted, and the energy efficiency of the air conditioner is greatly 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 by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is a schematic diagram of a control method for an air conditioner according to an embodiment of the present disclosure;

fig. 2 is a schematic diagram of another control method for an air conditioner according to an embodiment of the present disclosure;

fig. 3 is a schematic diagram of another control method for an air conditioner according to an embodiment of the present disclosure;

fig. 4 is a schematic diagram of another control method for an air conditioner according to an embodiment of the present disclosure;

fig. 5 is a schematic diagram of another control method for an air conditioner according to an embodiment of the present disclosure;

fig. 6 is a schematic diagram of another control method for an air conditioner according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of an air conditioner provided in an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of an indoor heat exchanger provided in an embodiment of the present disclosure;

FIG. 9 is a schematic flow diagram of an indoor heat exchanger provided by an embodiment of the present disclosure;

FIG. 10 is another schematic flow path diagram of an indoor heat exchanger provided by an embodiment of the present disclosure;

FIG. 11 is another schematic flow diagram of an indoor heat exchanger provided by embodiments of the present disclosure;

fig. 12 is another schematic flow path diagram of an indoor heat exchanger provided by an embodiment of the disclosure.

Reference numerals:

100: a first refrigerant inlet and outlet; 110: a second refrigerant inlet and outlet;

200: a first heat exchange path; 210: a second heat exchange path; 220: a third heat exchange path; 230: a first bypass line; 240: a second bypass pipeline;

300: a first shunt element; 310: a second flow dividing element; 320: a third flow dividing element; 330: a fourth shunt element;

400: a first control valve; 410: a second control valve;

500: a compressor; 510: an indoor heat exchanger; 520: an outdoor heat exchanger; 530: and a throttling device.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. 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 under appropriate circumstances such that embodiments of the present disclosure described herein may be made. 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. For example, a and/or B, represents: a or B, or A and B.

The term "correspond" may refer to an association or binding relationship, and a corresponds to B refers to an association or binding relationship between a and B.

In the disclosed embodiment, the terminal device is an electronic device with a wireless connection function, and the terminal device can be in communication connection with the above intelligent household appliance by connecting to the internet, or can be in communication connection with the above intelligent household appliance directly in a bluetooth mode, a wifi mode, or the like. In some embodiments, the terminal device is, for example, a mobile device, a computer, a vehicle-mounted device built in a hovercar, or the like, or any combination thereof. The mobile device may include, for example, a cell phone, a smart home device, a wearable device, a smart mobile device, a virtual reality device, and the like, or any combination thereof, where the wearable device includes, for example: smart watches, smart bracelets, pedometers, and the like.

As shown in fig. 7, an embodiment of the present disclosure provides an air conditioner including a compressor 500, a four-way valve, an indoor heat exchanger 510, a throttling device 530, and an outdoor heat exchanger 520. As shown in fig. 8, the indoor heat exchanger 510 is a heat exchanger having a variable dividing function, and includes a first dividing element 300, a second dividing element 310, a third dividing element 320, a fourth dividing element 330, a first control valve 400, a second control valve 410, and a plurality of refrigerant pipes. Wherein, the plurality of refrigerant pipes form a first heat exchange passage 200, a second heat exchange passage 210 and a third heat exchange passage 220; the first flow dividing element 300 is communicated with a first end of the first heat exchange passage 200, and the first flow dividing element 300 is provided with a first refrigerant inlet and outlet 100; second dividing element 310 communicates between the first end of second heat exchange path 210 and the first end of third heat exchange path 220, and second dividing element 310 communicates with first dividing element 300 through first bypass line 230; the third flow dividing element 320 communicates the second end of the first heat exchange passage 200 and the second end of the second heat exchange passage 210; the fourth flow dividing element 330 is communicated with the second end of the third heat exchanging channel 220, the fourth flow dividing element 330 is provided with a second refrigerant inlet/outlet 110, and the fourth flow dividing element 330 is communicated with the third flow dividing element 320 through a second bypass pipeline 240; the first control valve 400 is provided in the first bypass line 230; the second control valve 410 is disposed at the second bypass line 240.

In the present embodiment, in the heating mode of the air conditioner, the indoor heat exchanger 510 serves as a condenser, the first refrigerant inlet/outlet 100 of the indoor heat exchanger 510 is communicated with the exhaust port of the compressor 500 through the four-way valve, and the second refrigerant inlet/outlet 110 of the indoor heat exchanger 510 is communicated with the outdoor heat exchanger 520 through the throttling device 530. The refrigerant discharged from the compressor 500 through the discharge port enters the first flow dividing element 300 through the first refrigerant inlet/outlet 100. In the cooling mode of the air conditioner, the indoor heat exchanger 510 serves as an evaporator, the outdoor heat exchanger 520 is communicated with the exhaust port of the compressor 500 through the four-way valve, the outdoor heat exchanger 520 is communicated with the second refrigerant inlet/outlet 110 of the indoor heat exchanger 510 through the throttling device 530, and the refrigerant discharged by the compressor 500 through the exhaust port sequentially enters the fourth flow dividing element 330 from the outdoor heat exchanger 520, the throttling device 530 and the second refrigerant inlet/outlet 110.

Based on the air conditioner, as shown in fig. 1, an embodiment of the present disclosure provides a control method for an air conditioner, including:

s10: acquiring an operation mode of an air conditioner;

s20: the on-off states of the first control valve 400 and the second control valve 410 are controlled according to the operation mode of the air conditioner.

In the heating mode of the air conditioner, the refrigerant enters the first flow dividing element 300 from the first refrigerant inlet/outlet 100; in the cooling mode of the air conditioner, the refrigerant enters the fourth dividing element 330 from the second refrigerant inlet/outlet 110. Furthermore, by controlling the on/off states of the first control valve 400 and the second control valve 410, the heat exchange area of the indoor heat exchanger 510 in the same mode can be adjusted, and the energy efficiency of the air conditioner is greatly improved.

Optionally, as shown in fig. 2, in step S20, controlling the on-off states of the first control valve 400 and the second control valve 410 according to the operation mode of the air conditioner includes:

s21: acquiring indoor ambient temperature and indoor relative humidity under the condition that the operation mode of the air conditioner is a refrigeration mode or a dehumidification mode;

s22: the on-off states of the first control valve 400 and the second control valve 410 are controlled according to the indoor ambient temperature and the indoor relative humidity.

In this embodiment, the air conditioner is provided with a temperature sensor and a humidity sensor for detecting the indoor ambient temperature and the indoor relative humidity, respectively. When the difference between the indoor ambient temperature and the preset temperature is less than or equal to the temperature threshold and the indoor relative humidity is less than or equal to the preset humidity, the first control valve 400 is controlled to be turned on and the second control valve 410 is controlled to be turned off. Wherein the temperature threshold value ranges from 1.5 ℃ to 2.5 ℃, and the preset humidity ranges from 60% to 70%.

Illustratively, the air conditioner operates in a cooling mode with a preset temperature of 21 ℃, a temperature threshold of 2 ℃ and a preset temperature of 65%. The temperature sensor detects that the indoor ambient temperature is 20 ℃, the humidity sensor detects that the indoor relative humidity is 55%, and at this moment, the indoor side cooling demand is smaller, and the first control valve 400 is controlled to be switched on and the second control valve 410 is controlled to be switched off. As shown in fig. 9, the refrigerant flows into the indoor heat exchanger 510 from the second refrigerant inlet/outlet 110, and then flows to the second flow dividing element 310 along the third heat exchange path 220. The refrigerant of the second flow dividing element 310 has two flow paths, the first path flows to the first flow dividing element 300 along the second heat exchange path 210 and the first heat exchange path 200, and the second path flows to the first flow dividing element 300 along the first bypass line 230. Here, since the first path has a long distance and a large on-way resistance, the refrigerant flow speed is low and the flow rate is small. The distance of the second path is short and the resistance is small, and most of the refrigerant of the second flow dividing element 310 flows along the second path. Finally, the refrigerant of the first flow dividing element 300 flows out of the indoor heat exchanger 510 through the first refrigerant inlet/outlet 100. Therefore, under the condition that the indoor side cooling demand is small, the cooling demand can be met by mainly adopting the refrigerant to exchange heat in the third heat exchange passage 220. And at this time, the rest of the pipelines of the indoor heat exchanger 510 can be regarded as part of the refrigerant, and the refrigerant circulation rate is reduced, so that the energy efficiency of the air conditioner is greatly improved. If the indoor heat exchanger 510 adopts the above-described refrigerant circulation path in the dehumidification mode, the comfort of dehumidification may be improved.

Alternatively, as shown in fig. 3, the step S20 of controlling the on/off states of the first control valve 400 and the second control valve 410 according to the operation mode of the air conditioner includes:

s23: acquiring the operating frequency of the compressor 500 under the condition that the operating mode of the air conditioner is a cooling mode or a dehumidifying mode;

s24: comparing the magnitude relation between the operating frequency of the compressor 500 and a first preset frequency;

s25: the on-off states of the first control valve 400 and the second control valve 410 are controlled according to the magnitude relation.

In the present embodiment, the frequency of the compressor 500 is F, and the first predetermined frequency is F1 (F1 ≧ 40 Hz). When the operating frequency of the compressor 500 is greater than or equal to the first preset frequency, i.e., F ≧ F1, the first control valve 400 is controlled to be opened and the second control valve 410 is controlled to be opened. At this time, the frequency of the compressor 500 is high, and the compressor is suitable for a large heat exchange area. As shown in fig. 10, the refrigerant flows into the indoor heat exchanger 510 from the second refrigerant inlet/outlet 110, and the flow path of the refrigerant in the indoor heat exchanger 510 is: the first heat exchange path 200, the second heat exchange path 210, the third heat exchange path 220, the first bypass path 230, and the second bypass path 240 finally flow out of the indoor heat exchanger 510 through the first refrigerant inlet/outlet 100 of the first flow dividing element 300. Thus, the refrigerant participates in heat exchange through the three heat exchange paths, and circulates through the first bypass pipeline 230 and the second bypass pipeline 240, so that the circulation speed of the refrigerant in the indoor heat exchanger 510 is increased, and the requirement of large indoor cooling is met.

In case that the operation frequency of the compressor 500 is less than the first preset frequency, i.e., F < F1, the first control valve 400 is controlled to be turned on and the second control valve 410 is controlled to be turned off. At this time, the frequency of the compressor 500 is low, and the compressor is suitable for a small heat exchange area. As shown in fig. 9, the refrigerant flows into the indoor heat exchanger 510 from the second refrigerant inlet/outlet 110, and then flows to the second flow dividing element 310 along the third heat exchange path 220. The refrigerant of the second flow dividing element 310 has two flow paths, the first path flows to the first flow dividing element 300 along the second heat exchange path 210 and the first heat exchange path 200, and the second path flows to the first flow dividing element 300 along the first bypass line 230. Here, since the first path has a long distance and a large on-way resistance, the refrigerant flow speed is low and the flow rate is small. The distance of the second path is short and the resistance is small, and most of the refrigerant of the second flow dividing element 310 flows along the second path. Finally, the refrigerant of the first flow dividing element 300 flows out of the indoor heat exchanger 510 through the first refrigerant inlet/outlet 100. In this way, under the condition of the low frequency of the compressor 500 in the refrigeration mode, the refrigerant entering the indoor heat exchanger 510 mainly flows through the third heat exchange path 220 to participate in heat exchange, thereby improving the energy efficiency of the air conditioner.

Alternatively, as shown in fig. 4, step S20 of controlling the on/off states of the first control valve 400 and the second control valve 410 according to the operation mode of the air conditioner includes:

s26: acquiring the operating frequency of the compressor 500 under the condition that the operating mode of the air conditioner is a heating mode;

s27: comparing the operation frequency of the compressor 500 with a second preset frequency;

s28: the on-off states of the first control valve 400 and the second control valve 410 are controlled according to the magnitude relation.

In this embodiment, the frequency of the compressor 500 is F, and the second predetermined frequency is F2 (F2 ≧ 50 Hz). And controlling the first control valve 400 to be conducted and the second control valve 410 to be conducted under the condition that the running frequency of the compressor 500 is greater than or equal to a second preset frequency, namely F is greater than or equal to F2. At this time, the frequency of the compressor 500 is high, and the compressor is suitable for a large heat exchange area. As shown in fig. 11, the refrigerant flows into the indoor heat exchanger 510 from the first refrigerant inlet/outlet 100, and the flow path of the refrigerant in the indoor heat exchanger 510 is: the first heat exchange path 200, the second heat exchange path 210, the third heat exchange path 220, the first bypass path 230, and the second bypass path 240 finally flow out of the indoor heat exchanger 510 through the second refrigerant inlet/outlet 110 of the fourth bypass element 330. Thus, the refrigerant participates in heat exchange through the three heat exchange paths, and circulates through the first bypass pipeline 230 and the second bypass pipeline 240, so that the circulation speed of the refrigerant in the indoor heat exchanger 510 is increased, and the heat supply requirement of the indoor side is met.

Under the condition that the operating frequency of the compressor 500 is less than the second preset frequency, namely, F < F2, the frequency of the compressor 500 is lower, and the heat exchanger is suitable for a smaller heat exchange area. At this time, the first control valve 400 is controlled to be blocked and the second control valve 410 is controlled to be opened. As shown in fig. 12, the refrigerant flows into the indoor heat exchanger 510 from the first refrigerant inlet/outlet 100, and then flows toward the third flow dividing element 320 along the first heat exchange path 200. The refrigerant of the third flow dividing element 320 has two flow paths, the first path flows to the fourth flow dividing element 330 along the second heat exchange path 210 and the third heat exchange path 220, and the second path flows to the fourth flow dividing element 330 along the second bypass line 240. Here, since the first path has a long distance and a large on-way resistance, the refrigerant flow speed is low and the flow rate is small. The distance of the second path is short and the resistance is small, and most of the refrigerant of the third flow dividing element 320 flows along the second path. Finally, the refrigerant of the fourth flow dividing element 330 flows out of the indoor heat exchanger 510 through the second refrigerant inlet/outlet 110. In this way, under the condition of the heating mode and the low frequency of the compressor 500, the refrigerant entering the indoor heat exchanger 510 mainly flows through the first heat exchange path 200 to participate in heat exchange, thereby improving the energy efficiency of the air conditioner.

Alternatively, step S20 of controlling the on-off states of the first control valve 400 and the second control valve 410 according to the operation mode of the air conditioner includes:

when the operation mode of the air conditioner is the defrosting mode, the refrigerant flows in from the first refrigerant inlet/outlet 100, and the first control valve 400 and the second control valve 410 are controlled to be turned on.

In the present embodiment, as shown in fig. 11, in the defrost mode, the indoor heat exchanger 510 serves as a condenser, and the refrigerant flows into the first flow dividing element 300 from the first refrigerant inlet/outlet 100. In addition, when both the first control valve 400 and the second control valve 410 are in the on state, the refrigerant flows through the first bypass line 230 and the second bypass line 240, as compared with the off state. This accelerates the circulation speed of the refrigerant in the indoor heat exchanger 510, improves the defrosting efficiency, and reduces the heat loss at the indoor side.

Referring to fig. 5, an embodiment of the present disclosure provides another control method for an air conditioner, including:

s231: in a starting-up stage before the refrigeration mode or the dehumidification mode is operated, or in a switching stage of switching to the refrigeration mode or the dehumidification mode, the first control valve 400 and the second control valve 410 are controlled to be conducted, and the compressor 500 is controlled to operate for a first set time period;

In the present embodiment, the first set period of time ranges from 4 to 6 minutes. In the start-up stage and the switching stage, the frequency of the compressor 500 is unstable and each temperature node of the air conditioning system is unstable. The compressor 500 is operated for a first set period of time, for example, 5 minutes, such that the respective temperature nodes and the compressor 500 frequency tend to level off. Then, the on-off states of the first control valve 400 and the second control valve 410 are controlled according to the operating frequency of the compressor 500, so that the adjustment is performed for the small oscillation of the air conditioning system. The air conditioning system is prevented from being in an unstable state, and the first control valve 400 and the second control valve 410 are adjusted to aggravate system fluctuation, so that the indoor temperature fluctuation is large, and the user experience is influenced.

Referring to fig. 6, another control method for an air conditioner according to an embodiment of the present disclosure includes:

s261: at a start-up stage before the heating mode is operated, or at a switching stage when the heating mode is switched, controlling the first control valve 400 and the second control valve 410 to be conducted, and controlling the compressor 500 to operate for a second set time period;

s27: comparing the operating frequency of the compressor 500 with a second preset frequency;

In the present embodiment, the second set period of time ranges from 4 to 6 minutes. In the startup stage and the switching stage, the compressor 500 operates for a second set time period, for example, after 5 minutes of operation, the on-off states of the first control valve 400 and the second control valve 410 are controlled according to the operating frequency of the compressor 500. Therefore, after the frequency of each temperature node of the system and the frequency of the compressor 500 tend to be stable, the vibration of the air conditioning system is adjusted to be small, the indoor temperature fluctuation can be small, and the user experience is improved.

The embodiment of the present disclosure also provides a control device for an air conditioner, including a processor (processor) and a memory (memory). Optionally, the apparatus may further comprise a Communication Interface (Communication Interface) and a bus. The processor, the communication interface and the memory can complete mutual communication through the bus. The communication interface may be used for information transfer. The processor may call logic instructions in the memory to perform the control method for the air conditioner of the above-described embodiment.

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

The memory, which is a computer-readable storage medium, may be used to store software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor executes the functional application and data processing by executing the program instructions/modules stored in the memory, namely, the method for 8230in the above embodiment is realized.

The memory 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. Further, the memory may include high speed random access memory and may also include non-volatile memory.

Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described control method for an air conditioner.

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 one of 8230," does not exclude the presence of additional like elements in a process, method or device 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 disclosures, 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 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 control method for an air conditioner, the air conditioner comprising a compressor, a four-way valve, an indoor heat exchanger, a throttle device, and an outdoor heat exchanger, wherein the indoor heat exchanger comprises:

the first control valve is arranged on the first bypass pipeline;

the second control valve is arranged on the second bypass pipeline;

the control method comprises the following steps:

acquiring an operation mode of the air conditioner;

and controlling the on-off state of the first control valve and the second control valve according to the running mode of the air conditioner.

2. The control method according to claim 1, wherein controlling the on-off states of the first control valve and the second control valve according to the operation mode of the air conditioner includes:

acquiring indoor ambient temperature and indoor relative humidity under the condition that the operation mode of the air conditioner is a refrigeration mode or a dehumidification mode;

and controlling the on-off state of the first control valve and the second control valve according to the indoor environment temperature and the indoor relative humidity.

3. The control method according to claim 2, wherein controlling the on-off states of the first control valve and the second control valve according to the indoor ambient temperature and the indoor relative humidity includes:

and under the condition that the difference value between the indoor environment temperature and the preset temperature is less than or equal to a temperature threshold value and the indoor relative humidity is less than or equal to the preset humidity, controlling the first control valve to be conducted and the second control valve to be blocked.

4. The control method according to claim 3,

the range of the preset humidity is 60% -70%.

5. The control method according to claim 1, wherein controlling the on-off states of the first control valve and the second control valve according to the operation mode of the air conditioner includes:

acquiring the operating frequency of the compressor under the condition that the operating mode of the air conditioner is a refrigeration mode or a dehumidification mode;

comparing the magnitude relation between the running frequency of the compressor and a first preset frequency;

and controlling the on-off state of the first control valve and the second control valve according to the size relation.

6. The control method according to claim 5, wherein controlling the on-off states of the first control valve and the second control valve according to the magnitude relation includes:

under the condition that the running frequency of the compressor is smaller than a first preset frequency, controlling the first control valve to be conducted and the second control valve to be blocked;

and controlling the first control valve to be conducted and the second control valve to be conducted under the condition that the running frequency of the compressor is greater than or equal to a first preset frequency.

7. The control method according to claim 1, wherein controlling the on-off states of the first control valve and the second control valve according to the operation mode of the air conditioner includes:

acquiring the operating frequency of the compressor under the condition that the operating mode of the air conditioner is a heating mode;

comparing the magnitude relation between the running frequency of the compressor and a second preset frequency;

8. The control method according to claim 7, wherein controlling the on-off states of the first control valve and the second control valve according to the magnitude relation includes:

under the condition that the running frequency of the compressor is smaller than a second preset frequency, the first control valve is controlled to be blocked, and the second control valve is controlled to be conducted;

and controlling the first control valve to be conducted and the second control valve to be conducted under the condition that the running frequency of the compressor is greater than or equal to a second preset frequency.

9. A control apparatus for an air conditioner comprising a processor and a memory storing program instructions, characterized in that the processor is configured to execute the control method for an air conditioner according to any one of claims 1 to 8 when executing the program instructions.

10. A storage medium storing program instructions, characterized in that the program instructions, when executed, perform the control method for an air conditioner according to any one of claims 1 to 8.