CN111706968A - Air conditioner dehumidification control method and control device, and air conditioner - Google Patents

Abstract

The present application relates to the technical field of smart home appliances, and discloses a control method for dehumidification of an air conditioner, which includes obtaining an ambient temperature and a set temperature in a dehumidification mode; The target temperature of the inner coil is the first temperature, and the target temperature of the inner coil is periodically corrected. It can control the target temperature of the inner coil according to the indoor ambient temperature of the air conditioner while dehumidifying, and periodically correct the target temperature value, so as to meet the dehumidification requirements of the indoor room and accurately set and correct the indoor coil. The target temperature of the operation of the tube can be adjusted to stabilize the indoor air and improve the user's comfort. Embodiments of the present disclosure also provide a control device for dehumidification of an air conditioner, and an air conditioner.

Description

Air conditioner dehumidification control method and control device, and air conditioner

technical field

The present application relates to the technical field of smart home appliances, for example, to a control method, control device and air conditioner for air conditioner dehumidification.

Background technique

At present, with the gradual improvement of living standards, users have higher and higher requirements for indoor air quality. Air conditioners often have a dehumidification function to adjust the air humidity according to instructions or intelligence. The dehumidification principle is as follows: the fan draws in the moist air, which condenses into water when passing through the low-temperature evaporator, and the condensed water is collected into the water storage container or drained through the water pipe, and the dry air is discharged from the air outlet through the condenser. The air is continuously pumped in, dehumidified, and blown out, which can gradually reduce the indoor humidity.

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 process of dehumidifying the indoor air shown in the above embodiments will more or less affect the normal air conditioning performance of the air conditioner and affect the user's comfort experience.

SUMMARY OF THE INVENTION

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

The embodiments of the present disclosure provide a control method, a control device and an air conditioner for air conditioner dehumidification, so as to solve the technical problem of affecting indoor air conditioning performance and user comfort during air conditioner dehumidification operation.

In some embodiments, the method includes: in the dehumidification mode, acquiring an ambient temperature and a set temperature; when the difference between the ambient temperature and the set temperature satisfies a first condition, controlling the target temperature of the inner coil to be first temperature, and periodically correct the target temperature of the inner coil.

In some embodiments, the apparatus includes: a processor and a memory storing program instructions, the processor is configured to execute the above-mentioned control method for air conditioner dehumidification when executing the program instructions.

In some embodiments, the air conditioner includes the above-mentioned control device for air conditioner dehumidification.

The control method, control device and air conditioner for air conditioning dehumidification provided by the embodiments of the present disclosure can achieve the following technical effects:

In the control method for air conditioner dehumidification provided by the embodiment of the present disclosure, while dehumidifying, the target temperature of the inner coil is controlled according to the indoor ambient temperature of the air conditioner, and the target temperature value is periodically corrected, so that the indoor room dehumidification is satisfied. At the same time, accurately design and correct the target temperature of indoor coil operation to achieve stable adjustment of indoor air and improve user comfort.

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

Description of drawings

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

1 is a schematic flowchart of a control method for air conditioner dehumidification provided by an embodiment of the present disclosure;

2 is a schematic flowchart of another control method for air conditioner dehumidification provided by an embodiment of the present disclosure;

3 is a schematic diagram of a control device for air conditioning dehumidification provided by an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of another air conditioner dehumidification control device provided by an embodiment of the present disclosure.

Detailed ways

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

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

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

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

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

With reference to FIG. 1 , an embodiment of the present disclosure provides a control method for air conditioner dehumidification, including:

Step S01, in the dehumidification mode, obtain the ambient temperature and the set temperature.

In the embodiment, when the user sets the air conditioner to the dehumidification mode, the general purpose is to use the air conditioner to adjust the humidity of the indoor environment. However, when the air conditioner performs humidity adjustment, the indoor ambient temperature is often adjusted synchronously. At this time, the indoor ambient temperature is obtained and used to further set the air conditioner in the dehumidification mode, so as to adjust the indoor ambient temperature in the dehumidification mode at the same time. . Therefore, the control method for air conditioner dehumidification provided by the embodiments of the present disclosure is a control flow activated when the air conditioner operates in the dehumidification mode.

Step S02, when the difference between the ambient temperature and the set temperature satisfies the first condition, control the target temperature of the inner coil to be the first temperature, and periodically correct the target temperature of the inner coil.

Here, the first condition is used to express a condition related to the ambient temperature and the set temperature. Different values may be assigned to the first condition according to different seasons, temperatures or weather conditions. In this way, the intelligent control of the air conditioner is realized, so that when there is a certain difference between the indoor ambient temperature where the user is located and the set temperature, the target temperature of the inner coil is adjusted to improve the stability of indoor air conditioning.

The first temperature is the initial target temperature of the coil in the air conditioner in the dehumidification mode, and the higher the indoor temperature of the air conditioner, the higher the value of the first temperature. Here, during the continuous dehumidification process, the indoor ambient temperature is easily affected. Under the condition that the target temperature of the air conditioner remains unchanged, the decrease of the indoor ambient temperature will lead to the operation of some components of the air conditioner, such as fans, compressors, and throttling devices. parameters change. Therefore, adjusting the target temperature of the inner coil during the dehumidification process can make the air conditioner operate relatively smoothly, and can reduce the influence of temperature fluctuations caused by cooling during the dehumidification process on the air conditioner.

Optionally, after the target temperature of the inner coil is adjusted to the first temperature, the method further includes controlling the compressor to operate at the first frequency. Here, the first frequency is an initial frequency value smaller than the maximum operating frequency of the compressor in the dehumidification mode. In this embodiment, the first frequency is assigned as 50 Hz, and the maximum operating frequency of the compressor in the dehumidification mode is assigned as 65 Hz. In other embodiments of this solution, the first frequency may also be determined according to one or more of the ambient temperature, ambient humidity, target temperature, and target humidity of the air conditioner.

Using the control method for air conditioner dehumidification provided by the embodiment of the present disclosure, while dehumidifying, the target temperature of the inner coil is controlled according to the indoor ambient temperature of the air conditioner, and the target temperature value is periodically corrected, so as to satisfy the indoor room temperature. At the same time of dehumidification demand, accurately set and correct the target temperature of indoor coil operation to realize stable adjustment of indoor air, which can effectively improve the adjustment accuracy of temperature in the process of air conditioning dehumidification, so that the air conditioner can stably adjust the indoor air. Adjustment, thereby improving the adverse effect of the air conditioner on the temperature adjustment function when the air conditioner is running in the dehumidification mode.

Optionally, the first condition includes: the range of the difference between the ambient temperature and the set temperature is within the interval of (-1, 3).

Here, by setting the difference between the ambient temperature and the set temperature, the intelligent control of the air conditioner is realized, so that when there is a certain difference between the indoor ambient temperature where the user is located and the set temperature, the target of the inner coil can be adjusted. The temperature is controlled to compensate for the current ambient temperature.

Different humidity thresholds may also be selected in the first condition according to different seasons, temperatures or weather conditions. According to different indoor temperature conditions, the relationship between the indoor ambient temperature and the first condition can be preset in the electric control panel of the air conditioner, so that when the indoor environment is at a certain temperature, the first condition corresponding to the temperature can be called, thereby Realize the intelligent control of the air conditioner, so that the indoor environment where the user is located can reach the best temperature and humidity conditions, and prevent the problem of air being too cold due to excessive dehumidification.

Optionally, the period for correcting the target temperature of the inner coil may be 1 minute, 2 minutes, 3 minutes, 4 minutes or 5 minutes, or may be set according to the ambient temperature. The relationship between the indoor ambient temperature and the detection period can be preset in the electric control panel of the air conditioner, so that when the indoor environment is at a certain temperature, the detection parameters can be obtained regularly to correct the target temperature of the inner coil, so as to realize the air conditioner. of intelligent control. Considering the speed of temperature change, in order to reduce data redundancy, in this embodiment, the period value is 5 minutes, that is, the target temperature of the inner coil is corrected every 5 minutes.

Optionally, the target temperature of the inner coil is determined according to:

T _ps =k×T _d +a (1)

Among them, T _ps is the target temperature of the inner coil, T _d is the current dew point temperature, a is the correction coefficient, and k is a weighted value greater than 0.

Optionally, the correction coefficient may be a constant, or may be a variable value determined according to factors such as ambient temperature and relative humidity. In this way, according to the formula (1), the real-time adjustment of the inner coil temperature according to the current dew point temperature is realized, so as to compensate and adjust the current ambient temperature. The higher the current dew point temperature, the higher the target temperature of the inner coil of the air conditioner.

Optionally, the value of the weighted value k is related to the working mode of the air conditioner before receiving the dehumidification command. According to different working modes, different values are set for the weighting value k. Optionally, the value of the weighted value k is related to the change speed of the indoor ambient temperature. The faster the indoor ambient temperature changes, the smaller the weighted value k is.

Optionally, the correction factor is determined according to the difference between the current dew point temperature and the set dew point temperature. By obtaining the current dew point temperature and determining the correction coefficient according to the difference between the dew point temperature and the set dew point temperature, the target temperature of the inner coil can be corrected differently according to different temperature and humidity conditions, thereby realizing the intelligence of the air conditioner. control. In this way, when the target temperature of the inner coil is set according to the current dew point temperature, the target temperature of the inner coil is corrected by the difference between the current dew point temperature and the set dew point temperature. In the process of dehumidifying the room, the air humidity is constantly rising, and its change speed is faster than the temperature change speed. By correcting the target temperature of the inner coil by the difference between the current dew point temperature and the set dew point temperature, the target temperature of the inner coil can be adjusted in time and the influence on the ambient temperature during the dehumidification process can be reduced.

Optionally, periodically correcting the target temperature of the inner coil includes: obtaining the current dew point temperature of the air conditioner as the target temperature of the inner coil; periodically obtaining the difference between the current dew point temperature and the target dew point temperature, and determining a correction coefficient ; Correct the target temperature of the inner coil according to the correction factor. Here, the value of the target dew point temperature is related to the target ambient temperature and the target humidity. During the dehumidification process, the ambient temperature will drop and the ambient humidity will rise, so the value of the current dew point temperature obtained will also change. Here, the dew point temperature refers to the temperature at which water vapor and water in the air reach an equilibrium state. The value can be obtained by a dew point meter, or by ambient temperature and relative humidity.

Optionally, the larger the difference between the current dew point temperature and the set dew point temperature, the smaller the value of the correction coefficient.

Optionally, determining the correction coefficient according to the difference between the current dew point temperature and the set dew point temperature includes: determining a temperature interval in which the difference between the current dew point temperature and the set dew point temperature is located; and determining the corresponding temperature interval according to a preset correspondence relationship. correction parameters.

For example, when the difference between the current dew point temperature and the set dew point temperature is greater than or equal to 3, the correction parameter is the first correction parameter. At this time, the target temperature of the control inner coil is based on the initial value determined according to the current dew point temperature. Increase the first correction parameter. When the difference between the current dew point temperature and the set dew point temperature is within the temperature range of (1, 3), the correction parameter is the second correction parameter, and the target temperature of the control inner coil is at the initial value determined according to the current dew point temperature On the basis of , the second correction parameter is added. When the difference between the current dew point temperature and the set dew point temperature is within the temperature range of [-1, 1], the correction parameter is the third correction parameter. At this time, the target temperature of the control inner coil is within the initial value determined according to the current dew point temperature. On the basis of the value, the third correction parameter is added. When the difference between the current dew point temperature and the set dew point temperature is less than -1, the correction parameter is the fourth correction parameter. At this time, the target temperature of the control inner coil is based on the initial value determined according to the current dew point temperature, and the fourth correction parameter is added. Correction parameters. Wherein, the first correction parameter, the second correction parameter, the third correction parameter, and the fourth correction parameter increase sequentially. Optionally, the first correction parameter is assigned as -3, the second correction parameter is assigned as -1, the third correction parameter is assigned as 0, and the fourth correction parameter is assigned as 1.

Optionally, the current dew point temperature in the above embodiment is obtained through ambient temperature and relative humidity.

Specifically, the current dew point temperature is obtained by:

T _d =a+b× _Tr +c×Rh (2)

Among them, T _d is the current dew point temperature, T _r is the ambient temperature, Rh is the relative humidity, and a, b, and c are weighted values greater than 0.

In this way, according to formula (2), the current dew point temperature can be obtained by calculating the ambient temperature and relative humidity. The higher the ambient temperature, the higher the current dew point temperature; the higher the relative humidity, the higher the current dew point temperature. It should be noted that, in the calculation of the formula (2), the algebraic evaluation of the values of _Tr and Rh is performed, and the unit conversion is not performed.

Optionally, the values of the weighted values b and c are related to the working mode of the air conditioner before receiving the dehumidification command. According to different working modes, set different values for the weighted values b and c. Optionally, the value of the weighted value a is related to the change speed of the indoor ambient temperature. The faster the indoor ambient temperature changes, the smaller the value of the weighted value a.

Here, the numerical value of the set dew point temperature is related to the target ambient temperature and the target humidity. During the dehumidification process, the ambient temperature will drop and the ambient humidity will rise, so the value of the current dew point temperature obtained will also change.

Using the control method for air conditioner dehumidification provided by the embodiment of the present disclosure, while dehumidifying, the target temperature of the inner coil is controlled according to the indoor ambient temperature of the air conditioner, and the target temperature value is periodically corrected, so as to satisfy the indoor room temperature. At the same time of dehumidification demand, accurately set and correct the target temperature of indoor coil operation to realize stable adjustment of indoor air, which can effectively improve the adjustment accuracy of temperature in the process of air conditioning dehumidification, so that the air conditioner can stably adjust the indoor air. Adjustment, thereby improving the adverse effect of the air conditioner on the temperature adjustment function when the air conditioner is running in the dehumidification mode.

With reference to FIG. 2 , the control method for air conditioner dehumidification provided by the embodiment of the present disclosure includes:

Step S10, enter the dehumidification mode according to the instruction, control the compressor frequency to run at the maximum operating frequency in the dehumidification mode, and adjust the indoor fan to run at a low wind speed. Here, the compressor frequency is controlled to run at 65Hz.

In step S11, the ambient temperature Tr and the set temperature Ts are acquired.

Step S12, when -1<T _r -T _s <3, enter the inner coil PID control, and control the compressor frequency to be the first frequency. Here, the compressor frequency is controlled to run at 50Hz.

Step S13, set the inner coil temperature T _ps =T _d +a, and periodically calculate the difference between the current dew point temperature T _d and the set dew point temperature T _ds , that is, the dew point deviation e, with a period of 5 minutes.

Step S14, periodically determine the value of the correction coefficient a according to the value of the dew point deviation e, and correct the target temperature of the inner coil. Specifically, when e≥3, the correction coefficient a=-3; when 1<e<3, the correction coefficient a=-1; when -1≤e≤1, the correction coefficient a=0; when the dew point deviation e When <-1, the correction coefficient a=1. Here, on the basis of the current dew point temperature T _d obtained periodically, the value of the current dew point temperature T _d is increased or decreased according to the correction coefficient a, as the target temperature of the inner coil, so as to realize stable adjustment of indoor air.

Optionally, it also includes: determining corresponding operating parameters according to the target temperature of the inner coil, and controlling the air conditioner to operate according to the operating parameters; wherein the operating parameters include the speed of the outdoor fan of the air conditioner, the speed of the indoor fan, and the frequency of the compressor. one or more. In this way, during the dehumidification process of the air conditioner, the target temperature of the inner coil is set through the current dew point temperature, and the operating parameters of the air conditioner are adjusted according to the target temperature of the inner coil. After the operating parameters of the air conditioner are adjusted accordingly, it can ensure that the air conditioner runs smoothly while dehumidifying, so as to avoid temperature fluctuations and affect the user's comfort. Optionally, the air conditioner is preset with a corresponding relationship between the target temperature of the inner coil and one or more of the rotational speed of the fan, the rotational speed of the indoor fan, and the frequency of the compressor in the operating parameters.

Using the control method for air conditioner dehumidification provided by the embodiment of the present disclosure, while dehumidifying, the target temperature of the inner coil is controlled according to the indoor ambient temperature of the air conditioner, and the target temperature value is periodically corrected, so as to satisfy the indoor room temperature. At the same time of dehumidification demand, accurately set and correct the target temperature of indoor coil operation to realize stable adjustment of indoor air, which can effectively improve the adjustment accuracy of temperature in the process of air conditioning dehumidification, so that the air conditioner can stably adjust the indoor air. Adjustment, thereby improving the adverse effect of the air conditioner on the temperature adjustment function when the air conditioner is running in the dehumidification mode.

With reference to FIG. 3 , an embodiment of the present disclosure provides a control device for air conditioning dehumidification, including a detection module 21 and a control module 22 . The detection module 21 is configured to obtain the ambient temperature and the set temperature in the dehumidification mode; the control module 22 is configured to control the target temperature of the inner coil to be the first condition when the difference between the ambient temperature and the set temperature satisfies the first condition. temperature, and periodically correct the target temperature of the inner coil.

Using the control device for air conditioner dehumidification provided by the embodiment of the present disclosure, while dehumidifying, the target temperature of the inner coil is controlled according to the indoor ambient temperature of the air conditioner, and the target temperature value is periodically corrected, so as to satisfy the indoor room temperature. At the same time of dehumidification demand, accurately set and correct the target temperature of indoor coil operation to realize stable adjustment of indoor air, which can effectively improve the adjustment accuracy of temperature in the process of air conditioning dehumidification, so that the air conditioner can stably adjust the indoor air. Adjustment, thereby improving the adverse effect of the air conditioner on the temperature adjustment function when the air conditioner is running in the dehumidification mode.

With reference to FIG. 4 , an embodiment of the present disclosure provides a control device for dehumidification of an air conditioner, including a processor (processor) 100 and a memory (memory) 101 . Optionally, the apparatus may further include a communication interface (Communication Interface) 102 and a bus 103 . The processor 100 , the communication interface 102 , and the memory 101 can communicate with each other through the bus 103 . The communication interface 102 may be used for information transfer. The processor 100 may invoke the logic instructions in the memory 101 to execute the control method for air conditioner dehumidification in the above embodiments.

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

As a computer-readable storage medium, the memory 101 can be used to store software programs and computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes the function application and data processing by running the program instructions/modules stored in the memory 101 , that is, the control method of the air conditioner dehumidification in the above embodiment is implemented.

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

An embodiment of the present disclosure provides an air conditioner, including the above-mentioned control device for air conditioner dehumidification.

Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions, where the computer-executable instructions are configured to execute the above control method for air conditioner dehumidification.

An embodiment of the present disclosure provides a computer program product, where the computer program product includes a computer program stored on a computer-readable storage medium, and the computer program includes program instructions that, when executed by a computer, cause all The computer executes the above control method of air conditioner dehumidification.

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

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

The foregoing description and drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural, logical, electrical, process, and other changes. The examples are only representative of possible variations. Unless expressly required, individual components and functions are optional and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. Also, the terms used in this application are used to describe the embodiments only and not to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a" (a), "an" (an) and "the" (the) are intended to include the plural forms as well, unless the context clearly dictates otherwise. . Similarly, the term "and/or" as used in this application is meant to include any and all possible combinations of one or more of the associated listings. Additionally, when used in this application, the term "comprise" and its variations "comprises" and/or including and/or the like refer to stated features, integers, steps, operations, elements, and/or The presence of a component does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groupings of these. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, or device that includes the element. Herein, each embodiment may focus on the differences from other embodiments, and the same and similar parts between the various embodiments may refer to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method section disclosed in the embodiments, reference may be made to the description of the method section for relevant parts.

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

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

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

Claims (10)

1. A control method for dehumidification of an air conditioner is characterized by comprising the following steps:

in a dehumidification mode, acquiring an ambient temperature and a set temperature;

and when the difference value between the environment temperature and the set temperature meets a first condition, controlling the target temperature of the inner coil to be the first temperature, and periodically correcting the target temperature of the inner coil.

2. The control method of claim 1, wherein the target temperature of the inner coil is determined according to:

T_ps＝k×T_d+a

wherein, T_psIs the target temperature of the inner coil, T_dThe current dew point temperature is a correction coefficient, and k is a weighted value larger than 0.

3. The control method according to claim 2, wherein the correction coefficient is determined based on a difference between the current dew point temperature and the set dew point temperature.

4. The control method of claim 3, wherein the periodically modifying the target temperature of the inner coil comprises:

acquiring the current dew point temperature of the air conditioner as the target temperature of the inner coil;

periodically acquiring a difference value between the current dew point temperature and a target dew point temperature, and determining a correction coefficient;

and correcting the target temperature of the inner coil according to the correction coefficient.

5. The control method according to claim 3, wherein the larger the difference between the current dew point temperature and the set dew point temperature is, the smaller the value of the correction coefficient is.

6. The control method of claim 5, wherein determining the correction factor based on the difference between the current dew point temperature and the set dew point temperature comprises:

determining a temperature interval in which the difference value between the current dew point temperature and the set dew point temperature is located;

and determining the correction parameters corresponding to the temperature intervals according to a preset corresponding relation.

7. The control method according to any one of claims 2 to 6, wherein the current dew point temperature is obtained from an ambient temperature and a relative humidity of the air conditioner.

8. The control method according to claim 7, characterized in that the current dew point temperature is obtained by:

T_d＝a+b×T_r+c×Rh

wherein, T_dIs the current dew point temperature, T_rRh is the relative humidity, and a, b, c are weights greater than 0 for the ambient temperature.

9. A control device for dehumidification of an air conditioner, comprising a processor and a memory in which program instructions are stored, characterized in that the processor is configured to carry out the control method for dehumidification of an air conditioner according to any one of claims 1 to 8, when said program instructions are executed.

10. An air conditioner characterized by comprising the control device of air conditioning dehumidification according to claim 9.

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