CN111706969A - Control method and device for dehumidification of air conditioner and air conditioner - Google Patents
Control method and device for dehumidification of air conditioner and air conditioner Download PDFInfo
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- CN111706969A CN111706969A CN202010496182.1A CN202010496182A CN111706969A CN 111706969 A CN111706969 A CN 111706969A CN 202010496182 A CN202010496182 A CN 202010496182A CN 111706969 A CN111706969 A CN 111706969A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0083—Indoor units, e.g. fan coil units with dehumidification means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application relates to the technical field of intelligent household appliances, and discloses a control method for air conditioner dehumidification, which comprises the steps of acquiring an environment temperature and a set temperature in a dehumidification mode; and when the difference value between the environment temperature and the set temperature meets a first condition, controlling the frequency of the compressor to be a first frequency, and periodically correcting the frequency of the compressor. Can carry out the control of compressor frequency according to air-conditioner internal environment temperature in the dehumidification, still revise the frequency through setting for the temperature and current ambient temperature to when making satisfy indoor room dehumidification demand, accurate control compressor frequency carries out stable regulation to the room air, improves user's comfort level. The embodiment of the disclosure also provides a control device for air conditioner dehumidification and an air conditioner.
Description
Technical Field
The application relates to the technical field of intelligent household appliances, for example to a control method and a control device for air conditioner dehumidification and an air conditioner.
Background
At present, along with the gradual improvement of living standard, the requirement of user to indoor air quality is also higher and higher, and air conditioner often has the dehumidification function for according to instruction or intelligent air humidity. The dehumidification principle is as follows: the fan sucks in the moist air, the moist air is condensed into water when passing through the low-temperature evaporator, the condensed water is collected in the water storage container or drained away through the water pipe in a drainage mode, the dry and comfortable air is discharged from the air outlet through the condenser, and the indoor humidity can be gradually reduced through continuous circular operation of sucking, dehumidifying and blowing out of the indoor air.
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:
in the above embodiments, the dehumidification of the indoor air may affect the normal air conditioning performance of the air conditioner to a greater or lesser extent, which may affect the comfort experience of the user.
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 air conditioner dehumidification and an air conditioner, and aims to solve the technical problems that when the air conditioner is operated in dehumidification, the indoor air conditioning performance is affected, and the use comfort of a user is affected.
In some embodiments, the method comprises: 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 frequency of the compressor to be a first frequency, and periodically correcting the frequency of the compressor.
In some embodiments, the apparatus comprises: the system comprises a processor and a memory storing program instructions, wherein the processor is configured to execute the control method for dehumidifying the air conditioner when executing the program instructions.
In some embodiments, the air conditioner comprises the control device for dehumidifying of the air conditioner.
The control method and the control device for air conditioner dehumidification and the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:
according to the control method for air conditioner dehumidification, the compressor frequency is controlled according to the environment temperature in the air conditioner during dehumidification, and the frequency is corrected through the set temperature and the current environment temperature, so that the dehumidification requirement of an indoor room is met, the compressor frequency is accurately controlled, the indoor air is stably regulated, and the use comfort of a user 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 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 flow chart of a control method for dehumidification of an air conditioner according to an embodiment of the present disclosure;
fig. 2 is a schematic flow chart of another control method for dehumidifying air conditioners according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a control device for dehumidification of an air conditioner according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram of another control device for dehumidification of an air conditioner according to an embodiment of the present disclosure.
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 in the claims, and the above-described drawings of embodiments of the present disclosure, 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.
Referring to fig. 1, an embodiment of the present disclosure provides a control method for dehumidification of an air conditioner, including:
in step S01, in the dehumidification mode, the ambient temperature and the set temperature are acquired.
In an embodiment, when a user sets the air conditioner to the dehumidification mode, it is generally aimed to perform humidity adjustment of an indoor environment using the air conditioner. However, when the air conditioner performs humidity adjustment, the indoor environment temperature is often adjusted synchronously, and at this time, the acquired indoor environment temperature is used for further setting the air conditioner in the dehumidification mode, so as to adjust the indoor environment temperature in the dehumidification mode at the same time. Therefore, the control method for dehumidifying the air conditioner provided by the embodiment of the disclosure is a control flow started when the air conditioner operates in a dehumidification mode.
In step S02, when the difference between the ambient temperature and the set temperature satisfies a first condition, the frequency of the compressor is controlled to be a first frequency, and the frequency of the compressor is periodically corrected.
Here, the first condition is used to describe a condition relating to the ambient temperature and the set temperature, and different values may be assigned to the first condition according to different seasons, temperatures, weather conditions, and the like. Therefore, the intelligent control of the air conditioner is realized, and the frequency of the compressor is adjusted when a certain difference value exists between the indoor environment temperature of a user and the set temperature, so that the stability of indoor air conditioning is improved.
The first frequency is an initial frequency value smaller than the maximum operation frequency of the compressor in the dehumidification mode, and the frequency of the compressor is adjusted to the first frequency under the condition that the difference value between the ambient temperature and the set temperature meets a first condition. In this embodiment, 50Hz is assigned to the first frequency, and 65Hz is assigned to the maximum operation frequency of the compressor in the dehumidification mode. In other embodiments of the present disclosure, the first frequency may also be determined according to one or more of an ambient temperature, an ambient humidity, a target temperature, and a target humidity of the air conditioner.
The control method for dehumidifying the air conditioner provided by the embodiment of the disclosure is adopted, when dehumidification is carried out, the frequency of the compressor is controlled according to the internal environment temperature of the air conditioner, the frequency is corrected through the set temperature and the current environment temperature, so that the dehumidification requirement of an indoor room is met, the frequency of the compressor is accurately controlled, the temperature reduction condition in the dehumidification process is adjusted, the temperature adjusting precision in the dehumidification process of the air conditioner can be effectively improved, the air conditioner is stable to adjust the indoor air, and the adverse effect of the air conditioner on the temperature adjusting function is improved when the air conditioner operates in the dehumidification mode.
Optionally, the first condition includes: the difference range of the environment temperature and the set temperature is within the interval of (-1, 3).
The intelligent control of the air conditioner is realized by setting the difference relation between the ambient temperature and the set temperature, and when the indoor ambient temperature where a user is located has a certain difference with the set temperature, the frequency of the compressor is controlled to compensate the current ambient temperature.
Different humidity thresholds may be selected for the first condition according to different seasons, temperatures, or weather conditions. According to different indoor temperature conditions, the incidence relation between the indoor environment temperature and the first condition can be preset in an electric control board of the air conditioner, so that the first condition corresponding to the temperature can be called when the indoor environment is at a certain temperature, the intelligent control of the air conditioner is realized, the indoor environment where a user is located can reach the optimal temperature and humidity condition, and the problem of air supercooling caused by excessive dehumidification is prevented.
Optionally, periodically correcting the compressor frequency, comprising: periodically acquiring the current dew point temperature of the air conditioner; and correcting the frequency of the compressor according to the difference between the current dew point temperature and the target dew point temperature.
Here, the values of the detection period for acquiring the current dew point temperature of the air conditioner may be 30 seconds, 60 seconds, and 120 seconds, or may be set according to the ambient temperature. The incidence relation between the indoor environment temperature and the detection period can be preset in an electric control board of the air conditioner, so that when the indoor environment is at a certain temperature, the current dew point temperature can be obtained at regular time to correct the frequency of the compressor, and the intelligent control of the air conditioner is realized. The dew point temperature is the temperature at which water vapor and water in the air reach an equilibrium state, and the value can be obtained by a dew point meter, or by the ambient temperature and the relative humidity.
Optionally, the current dew point temperature is obtained from the ambient temperature and the relative humidity. Compared with a dew point temperature measuring instrument, the measuring process of the environmental temperature and the relative humidity is simpler, the operation is convenient, and the error is not easy.
Optionally, the current dew point temperature is obtained by:
Td＝a+b×Tr+c×Rh(1)
wherein, TdIs the current dew point temperature, TrRh is the relative humidity, and a, b, c are weights greater than 0 for the ambient temperature.
Thus, the current dew point temperature can be estimated from the ambient temperature and the relative humidity according to equation (1). 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 equation (1), T is performedrAnd the algebraic expression of the Rh numerical value is evaluated without unit conversion.
Optionally, the values of the weighted values b and c are related to the working mode of the air conditioner before the air conditioner receives the dehumidification instruction. And setting different values for the weighted values b and c according to different working modes. Optionally, the value of the weighting value a is related to the change speed of the indoor environment temperature. The faster the indoor ambient temperature changes, the smaller the value of the weighted value a.
Optionally, when the frequency of the compressor is corrected, the larger the difference between the current dew point temperature and the set dew point temperature, the higher the change value of the frequency of the compressor. Specifically, under the condition that the difference value between the current dew point temperature and the set dew point temperature is greater than a first threshold value, the frequency of the compressor is increased; and reducing the frequency of the compressor under the condition that the difference value between the current dew point temperature and the set dew point temperature is less than or equal to a first threshold value.
Here, the set dew point temperature value is related to the target ambient temperature and the target humidity. During dehumidification, the ambient temperature decreases and the ambient humidity increases, so that the value of the obtained current dew point temperature also changes. When the difference value between the current dew point temperature and the set dew point temperature is larger than a first value, the frequency of the compressor is increased to increase the circulation amount of the refrigerant, so that the rise of the environmental temperature can be realized; when the difference value between the current dew point temperature and the set dew point temperature is smaller than or equal to a first threshold value, the frequency of the compressor is reduced, the temperature rising speed is restrained to a certain extent, and the influence on the comfort level of a user caused by the continuous falling of the current dew point temperature is avoided. Optionally, a value of 0.5 is assigned to the first threshold. Namely, under the condition that the difference value between the current dew point temperature and the set dew point temperature is more than 0.5, the frequency of the compressor is increased according to the correction value; and reducing the frequency of the compressor according to the correction value under the condition that the difference value between the current dew point temperature and the set dew point temperature is less than or equal to 0.5.
Alternatively, the greater the difference between the current dew point temperature and the set dew point temperature, the higher the frequency value of the compressor increase.
Optionally, the step of increasing the frequency of the compressor comprises: determining a temperature interval in which the difference value between the current dew point temperature and the set dew point temperature is located; determining a frequency correction value corresponding to the temperature interval according to a preset corresponding relation; and increasing the frequency of the compressor according to the frequency correction value.
For example, when the difference between the current dew point temperature and the set dew point temperature is greater than or equal to 2, the frequency correction value is the first correction parameter, and the frequency of the compressor of the air conditioner is increased by the first correction parameter on the basis of the first frequency. And when the difference value between the current dew point temperature and the set dew point temperature is within the interval of (0.5, 2), the frequency correction value is a second correction parameter, the second correction parameter is smaller than the first correction parameter, and the frequency of the compressor of the air conditioner is increased by the second correction parameter on the basis of the first frequency. Here, the corresponding relation between the temperature section of the difference between the current dew point temperature and the set dew point temperature and the frequency correction value is preset in the air conditioner. The larger the minimum critical value of the temperature interval is, the larger the value of the corresponding correction parameter is. Optionally, the first modification parameter is assigned a value of 2 and the second modification parameter is assigned a value of 0.
Here, the step of decreasing the frequency of the compressor, corresponding to the step of increasing the frequency of the compressor, includes: determining a temperature interval in which the difference value between the current dew point temperature and the set dew point temperature is located; determining a frequency correction value corresponding to the temperature interval according to a preset corresponding relation; and reducing the frequency of the compressor according to the frequency correction value. For example, when the difference between the current dew point temperature and the set dew point temperature is less than 0.5, the frequency correction value is 2, and the frequency of the compressor of the air conditioner is reduced by 2Hz on the basis of the first frequency. It should be noted that in the process of periodically correcting the frequency of the compressor, after each frequency correction value is obtained, the correction is performed on the basis of the frequency of the compressor which is increased or decreased in the previous time.
Optionally, the value of the compressor boost frequency is also related to the difference between the current ambient temperature and the set temperature. Here, the temperature difference value is positively correlated with the frequency value for controlling the compressor to increase, and the smaller the value of the temperature difference value is, the smaller the frequency value for controlling the compressor to increase is; and the larger the value of the temperature difference value is, the larger the frequency value for controlling the compressor to increase is.
Therefore, after the first frequency of the compressor is adjusted according to the difference between the ambient temperature and the set temperature in the embodiment of the disclosure, the frequency of the compressor is further corrected according to the corresponding relationship between the difference between the current dew point temperature and the set dew point temperature and the frequency correction value, so that the dehumidification requirement of an indoor room is met, the frequency of the compressor is accurately controlled, the indoor air is stably adjusted, and the use comfort of a user is improved.
Alternatively, in the case of increasing the compressor frequency, when coil temperature freeze protection is present, increasing the compressor frequency is stopped.
Alternatively, in the case of increasing the compressor frequency, when the corrected compressor frequency value is higher than the maximum operating frequency of the compressor in the dehumidification mode, the compressor is controlled to operate at the maximum operating frequency of the compressor in the dehumidification mode.
Optionally, in the case of reducing the frequency of the compressor, when the difference between the acquired coil temperature and the current dew point temperature is less than the second threshold value, the reduction of the frequency of the compressor is stopped. At this moment, the coil pipe temperature is lower, continues to reduce compressor frequency and causes indoor ambient temperature too low easily, influences user's comfort level.
Alternatively, in the case of reducing the compressor frequency, when the corrected compressor frequency value is lower than the minimum operating frequency of the compressor in the dehumidification mode, the compressor is controlled to operate at the minimum operating frequency of the compressor in the dehumidification mode.
Referring to fig. 2, a control method for dehumidification of an air conditioner according to an embodiment of the present disclosure includes:
and step S10, entering a dehumidification mode according to the instruction, controlling the frequency of the compressor to operate at the maximum operation frequency in the dehumidification mode, and adjusting the indoor fan to operate at a low wind speed. Here, the compressor frequency is controlled to run at 65 Hz.
In the step of S11,obtaining ambient temperature TrAnd a set temperature Ts。
Step S12, when-1<Tr-Ts<And 3, controlling the frequency of the compressor to be the first frequency. Here, the first frequency is 50Hz, i.e. the compressor frequency is controlled to run at 50 Hz.
Step S13, obtaining the set dew point temperature TdsAnd periodically calculating the current dew point temperature T by taking 30 seconds as a perioddAnd the set dew point temperature TdsI.e. the dew point deviation e.
In step S14, the compressor frequency is periodically corrected based on the value of the dew point deviation e. Specifically, when the dew point deviation e is greater than or equal to 2, the frequency of the compressor is controlled to be increased by 2 Hz; when the dew point deviation e is less than or equal to 0.5, controlling the frequency of the compressor to be reduced by 2 Hz; when 0.5< e <2, the frequency of the compressor is controlled to be constant.
In step S14, the method further includes: when the corrected compressor frequency is higher than the maximum operation frequency in the dehumidification mode, controlling the compressor to operate at 65 Hz; and when the corrected compressor frequency is lower than the minimum operating frequency in the dehumidification mode, controlling the compressor to operate at the minimum operating frequency in the dehumidification mode.
Referring 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 an ambient temperature and a set temperature in the dehumidification mode; the control module 22 is configured to control the compressor frequency to a first frequency and periodically modify the compressor frequency when the difference between the ambient temperature and the set temperature satisfies a first condition.
Adopt the controlling means of the air conditioner dehumidification that this disclosed embodiment provided, in the dehumidification, carry out the control of compressor frequency according to air conditioner internal environment temperature, still revise the frequency through setting for the temperature and current ambient temperature, thereby when making satisfy indoor room dehumidification demand, accurate control compressor frequency, and then realize the regulation to the dehumidification in-process temperature reduction condition, can effectively improve the regulation precision to the temperature at air conditioner dehumidification in-process, make the air conditioner stable adjust the room air, thereby improve the air conditioner when operation dehumidification mode, adverse effect to the temperature regulation function.
As shown in fig. 4, an embodiment of the present disclosure provides a control device for dehumidifying air conditioner, which includes a processor (processor)100 and a memory (memory) 101. Optionally, the apparatus may also include a Communication Interface (Communication Interface)102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via a bus 103. The communication interface 102 may be used for information transfer. The processor 100 may call the logic instructions in the memory 101 to execute the control method of air conditioning dehumidification according to the above embodiment.
In addition, the logic instructions in the memory 101 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 101, which is a computer-readable storage medium, may 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 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, that is, implements the control method of air conditioning dehumidification in the above-described embodiment.
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 a high-speed random access memory, and may also include a nonvolatile memory.
The embodiment of the disclosure provides an air conditioner, which comprises the control device for dehumidifying the air conditioner.
The embodiment of the disclosure provides a computer-readable storage medium storing computer-executable instructions configured to execute the control method for dehumidifying air conditioner.
The disclosed embodiments provide a computer program product comprising a computer program stored on a computer-readable storage medium, the computer program comprising program instructions that, when executed by a computer, cause the computer to execute the above-described control method of air conditioning dehumidification.
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 an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises 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 merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or 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 (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 frequency of the compressor to be a first frequency, and periodically correcting the frequency of the compressor.
2. The control method according to claim 1, wherein the first condition includes that the difference between the ambient temperature and the set temperature is within an interval of (-1, 3).
3. The control method of claim 1, wherein said periodically modifying said compressor frequency comprises:
periodically acquiring the current dew point temperature of the air conditioner;
and correcting the frequency of the compressor according to the difference between the current dew point temperature and the target dew point temperature.
4. The control method according to claim 3, characterized in that the current dew point temperature is obtained from the ambient temperature and relative humidity.
5. The control method according to claim 4, characterized in that the current dew point temperature is obtained by:
Td＝a+b×Tr+c×Rh
wherein, TdIs the current dew point temperature, TrRh is the relative humidity, and a, b, c are weights greater than 0 for the ambient temperature.
6. The method of claim 3, wherein the modifying the frequency of the compressor based on the difference between the current dew point temperature and the set dew point temperature comprises:
under the condition that the difference value between the current dew point temperature and the set dew point temperature is greater than a first threshold value, increasing the frequency of the compressor;
and reducing the frequency of the compressor under the condition that the difference value between the current dew point temperature and the set dew point temperature is less than or equal to a first threshold value.
7. The control method of claim 6, wherein the compressor is increased by a higher frequency value the greater the difference between the current dew point temperature and the set dew point temperature.
8. The control method of claim 6, wherein the step of increasing the compressor frequency comprises:
determining a temperature interval in which the difference value between the current dew point temperature and the set dew point temperature is located;
determining a frequency correction value corresponding to the temperature interval according to a preset corresponding relation;
and increasing the frequency of the compressor according to the frequency correction value.
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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