CN112880142B - Control method and device for air conditioner and air conditioner - Google Patents
Control method and device for air conditioner and air conditioner Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 55
- 230000008859 change Effects 0.000 claims abstract description 99
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- 230000008569 process Effects 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 10
- 238000005057 refrigeration Methods 0.000 claims description 9
- 230000000875 corresponding effect Effects 0.000 description 40
- 238000010586 diagram Methods 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 6
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- 230000000694 effects Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
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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
- 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
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
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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
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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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- 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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Abstract
The application relates to the technical field of intelligent household appliances, and discloses a control method for an air conditioner, which comprises the following steps: controlling the inner fan to rotate reversely according to a set rotating speed under the condition that the indoor environment temperature reaches the preset shutdown temperature of the compressor; acquiring a motor temperature change value in the process of reversing the inner fan; under the condition that the difference value of the temperature change value and the temperature change threshold value corresponding to the indoor environment temperature is larger than the set difference value, correcting the preset shutdown temperature according to the operation mode of the air conditioner to obtain the corrected shutdown temperature; and performing shutdown control on the air conditioner according to the corrected shutdown temperature. And judging whether to perform temperature correction on the preset shutdown temperature by using the difference value and the set difference value of the temperature change value and the temperature change threshold value of the motor under the condition of the reverse rotation of the fan in the air conditioner, and performing shutdown control on the air conditioner according to the corrected shutdown temperature, so that the indoor average temperature is closer to the preset shutdown temperature of the air conditioner when the air conditioner performs the shutdown control. The application also discloses a controlling means and air conditioner for the air conditioner.
Description
Technical Field
The application relates to the technical field of intelligent household appliances, for example, to a control method and device for an air conditioner and the air conditioner.
Background
At present, with the continuous improvement of the living standard of people, the air conditioner has gradually become an essential household appliance for family life. Generally, after detecting that the ambient temperature reaches the shutdown temperature during operation of the air conditioner, the air conditioner controls the compressor to automatically shut down to prevent over-regulation of indoor air. However, in actual use, the average temperature in the chamber may not reach the shutdown temperature when the shutdown control is performed. In the related art, the ambient temperature is corrected by a fixed compensation value set in advance to reduce the influence of the ambient temperature detection result on the shutdown state of the compressor.
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: when the ambient temperature is corrected through the set value, the correction of the ambient temperature is not accurate enough, the average indoor temperature still cannot reach the expected temperature when the air conditioner is stopped and controlled, and the user experience is poor.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a control method and device for an air conditioner and the air conditioner, and aims to solve the technical problems that when the ambient temperature is corrected through a set value at present, the correction of the ambient temperature is not accurate enough, the indoor average temperature still cannot reach the expected temperature when the air conditioner is stopped and controlled, and the user experience is poor.
In some embodiments, a control method for an air conditioner includes: controlling the inner fan to rotate reversely according to the set rotating speed under the condition that the indoor environment temperature reaches the preset shutdown temperature of the compressor; acquiring a motor temperature change value in the reverse rotation process of the inner fan; under the condition that the difference value of the temperature change value of the motor and the temperature change threshold value corresponding to the indoor environment temperature is larger than a set difference value, correcting the preset shutdown temperature according to the operation mode of the air conditioner to obtain the corrected shutdown temperature; and performing shutdown control on the air conditioner according to the corrected shutdown temperature.
Optionally, the temperature change threshold corresponding to the indoor environment temperature is determined as follows: determining a temperature interval to which the indoor environment temperature belongs; and determining the temperature change threshold corresponding to the temperature interval as the temperature change threshold corresponding to the indoor environment temperature.
Optionally, the obtaining a motor temperature variation value during the reverse rotation of the inner fan includes: acquiring a temperature value of a motor in the process of reversing the inner fan; and under the condition that the temperature value of the motor is kept unchanged in a set time period, determining the difference value between the temperature value of the motor in the reversing process and the temperature value of the motor before reversing as the temperature change value of the motor.
Optionally, the correcting the preset shutdown temperature according to the operation mode of the air conditioner includes: determining a corresponding correction value according to the difference value between the temperature change value and the temperature change threshold value; and correcting the preset shutdown temperature according to the correction value based on the operation mode of the air conditioner.
Optionally, the determining, according to the difference between the temperature change value and the temperature change threshold, a corresponding correction value includes: when the difference value between the temperature change value and the temperature change threshold value is greater than a first preset value, the corresponding correction value is a first correction value; when the difference value between the temperature change value and the temperature change threshold value is smaller than or equal to a first preset value and is larger than a second preset value, the corresponding correction value is a second correction value; the difference value between the temperature change value and the temperature change threshold is smaller than or equal to a second preset value, and when the difference value is larger than a third preset value, the corresponding correction value is a third correction value; wherein the value of the first correction value is greater than the value of the second correction value, and the value of the second correction value is greater than the value of the third correction value.
Optionally, the modifying the preset shutdown temperature according to the operation mode of the air conditioner based on the operation mode of the air conditioner includes: when the operation mode of the air conditioner is a heating mode, increasing the preset shutdown temperature according to the correction value; and when the operation mode of the air conditioner is a refrigeration mode, reducing the preset shutdown temperature according to the correction value.
Optionally, it is determined that the indoor ambient temperature reaches a preset shutdown temperature of the compressor as follows: in the cooling mode, when the indoor ambient temperature is less than or equal to a first shutdown temperature, it is determined that the indoor ambient temperature reaches the preset shutdown temperature, or, in the heating mode, when the indoor ambient temperature is greater than or equal to a second shutdown temperature, it is determined that the indoor ambient temperature reaches the preset shutdown temperature.
In some embodiments, a control apparatus for an air conditioner includes:
the acquisition module is configured to control the inner fan to rotate reversely according to a set rotating speed under the condition that the indoor environment temperature reaches the preset shutdown temperature of the compressor, and acquire a motor temperature change value in the reverse rotation process of the inner fan;
and the control module is configured to correct the preset shutdown temperature according to the operation mode of the air conditioner to obtain a corrected shutdown temperature and perform shutdown control on the air conditioner according to the corrected shutdown temperature under the condition that the difference value between the motor temperature variation value and the temperature variation threshold value corresponding to the indoor environment temperature is greater than a set difference value.
In some embodiments, a control apparatus for an air conditioner includes a processor configured to execute the aforementioned control method for an air conditioner when executing program instructions and a memory storing the program instructions.
In some embodiments, the air conditioner includes the control device for an air conditioner described above.
The control method and device for the air conditioner and the air conditioner provided by the embodiment of the disclosure can achieve the following technical effects:
under the condition that different environmental temperatures are obtained in advance, the temperature change threshold of the motor is obtained when the inner fan rotates reversely, when the indoor environmental temperature reaches the preset shutdown temperature of the compressor, the inner fan is controlled to rotate reversely according to the set rotating speed, the temperature change value of the motor in the rotating process of the inner fan is obtained, whether the preset shutdown temperature needs to be subjected to temperature correction or not is judged by utilizing the difference value of the temperature change threshold corresponding to the indoor environmental temperature obtained in advance, how the preset shutdown temperature needs to be subjected to temperature correction is obtained, the corrected shutdown temperature is obtained under the condition that the temperature correction needs to be carried out, and the shutdown control is carried out on the air conditioner according to the corrected shutdown temperature. So, utilize the motor temperature variation value of interior fan reversal in-process to have the characteristic of difference under different indoor ambient temperature, judge whether indoor ambient temperature reaches preset shutdown temperature now, and according to the shutdown temperature of the difference dynamic adjustment compressor of the temperature variation threshold value that motor temperature variation value and indoor ambient temperature correspond, indoor average temperature is closer to the preset shutdown temperature of air conditioner when helping making the air conditioner carry out shutdown control, satisfy user's user demand, improve user and use experience.
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 flowchart of a control method for an air conditioner according to an embodiment of the present disclosure;
fig. 2 is a flowchart illustrating another control method for an air conditioner according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a control device for an air conditioner according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of another control device for an air conditioner according to an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and advantages of the embodiments of the present disclosure can be understood in detail, a more particular description of the embodiments of the disclosure, briefly summarized above, may be had by reference to the appended drawings, which are included to illustrate, but are not intended to limit the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and 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 as appropriate for the embodiments of the disclosure described herein. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. E.g., a and/or B, represents: a or B, or A and B.
Referring to fig. 1, an embodiment of the present disclosure provides a control method for an air conditioner, including:
s101, controlling the inner fan to rotate reversely according to a set rotating speed under the condition that the indoor environment temperature reaches the preset shutdown temperature of the compressor.
The indoor environment temperature refers to the indoor environment temperature detected by the air conditioner temperature detection device, and can be represented as the local environment temperature of the area where the air conditioner temperature detection device is located. The air conditioner temperature detection device can be arranged on an air conditioner, or can be arranged on other household equipment, or can be independently arranged indoors as independent equipment to detect the indoor environment temperature.
Optionally, it is determined that the indoor ambient temperature reaches a preset shutdown temperature of the compressor in the following manner: in the refrigeration mode, when the indoor environment temperature is less than or equal to a first shutdown temperature, determining that the indoor environment temperature reaches a preset shutdown temperature; or, in the heating mode, when the indoor ambient temperature is greater than or equal to the second shutdown temperature, it is determined that the indoor ambient temperature reaches the preset shutdown temperature.
That is, the preset shutdown temperature may be embodied as a first shutdown temperature in the cooling mode, and a second shutdown temperature in the heating mode. If the air conditioner runs in a refrigeration mode, when the indoor environment temperature is less than or equal to a first shutdown temperature, the preset shutdown temperature is determined to be reached, and shutdown control can be performed according to the scheme; if the air conditioner operates in the heating mode, when the indoor environment temperature is greater than or equal to the second shutdown temperature, the preset shutdown temperature can be determined to be reached, and shutdown control can be performed according to the scheme disclosed by the invention.
The first shutdown temperature and the second shutdown temperature may be default temperatures or may be temperatures determined by a user according to usage requirements. Since the first shutdown temperature refers to a temperature in the air-conditioning cooling mode and the second shutdown temperature refers to a temperature in the air-conditioning heating mode, the first shutdown temperature is typically less than the second shutdown temperature, for example, the first shutdown temperature may be 17 degrees celsius and the second shutdown temperature may be 30 degrees celsius. The size relationship, specific values and the like of the first shutdown temperature and the second shutdown temperature can be determined by combining actual use conditions.
And S102, acquiring a motor temperature change value of the inner fan.
Optionally, obtaining a motor temperature variation value of the inner fan includes: acquiring a temperature value of the motor in the process of reversing the inner fan; and under the condition that the temperature value of the motor is kept unchanged in a set time length, determining the difference value between the temperature value of the motor in the reversal process and the temperature value of the motor before reversal as the temperature change value of the motor.
The motor temperature variation value of the inner fan is different under different indoor environment temperatures. The temperature change value of the inner machine motor during the reverse rotation of the inner fan under different environmental temperatures can be tested in advance, and the corresponding relation between the temperature change value and the temperature change value is obtained. The corresponding relation can be stored in a cloud server and acquired by accessing the cloud server when needed; alternatively, the corresponding relationship may be stored in the air conditioner, for example, written into a computer board of the air conditioner, and obtained by local reading when needed.
Therefore, when the shutdown control is carried out, the temperature change value tested in advance can be compared with the motor temperature change value actually acquired, and whether the current indoor environment temperature reaches the preset shutdown temperature or not can be judged.
The set rotating speed can be any rotating speed for ensuring normal reverse rotation of the inner fan, besides the control of the set rotating speed, the obtained motor temperature change value of the inner fan can also be obtained within the same set time, and the set time is set according to the fact that the temperature value of the motor of the inner fan can be stabilized. The same set time length is adopted when the temperature change value of the inner fan motor is tested in advance when the inner fan rotates reversely at different temperatures and when the motor temperature change value of the inner fan is actually obtained. Therefore, the effect of controlling the variable can be better achieved, and the implementation rationality of the scheme is improved.
And S103, under the condition that the difference value of the temperature change value of the motor and the temperature change threshold value corresponding to the indoor environment temperature is larger than the set difference value, correcting the preset shutdown temperature according to the operation mode of the air conditioner.
And S104, performing shutdown control on the air conditioner according to the corrected shutdown temperature.
It can be understood that the temperature change values of the internal machine motor when the internal fan rotates reversely under different environmental temperatures tested in advance are temperature change thresholds corresponding to different indoor environmental temperatures in the embodiment of the present disclosure, and if the actually obtained temperature change values of the motor substantially match the temperature change thresholds tested in advance, it is determined that the room temperature reaches the preset shutdown temperature, and the air conditioner can be shutdown. The judgment basis of the numerical value coincidence is that the difference value of the motor temperature change value and the temperature change threshold value corresponding to the indoor environment temperature is smaller than or equal to the set difference value, and the set difference value is equivalent to a reasonable fluctuation range of the motor temperature change value relative to the temperature change threshold value.
Optionally, modifying the preset shutdown temperature according to the operation mode of the air conditioner includes: when the air conditioner operates in a heating mode, the preset shutdown temperature is increased; and when the air conditioner operates in a refrigeration mode, reducing the preset shutdown temperature. Under the condition that the air conditioner operates to stop according to the preset stop temperature, the actual indoor environment temperature generally does not reach the preset stop temperature, and the actual indoor environment temperature is still lower than the preset stop temperature when the air conditioner operates in a heating mode or is still higher than the preset stop temperature when the air conditioner operates in a cooling mode, so that the stop temperature is further increased in the heating mode, and the stop temperature is further reduced in the cooling mode, so that the indoor environment temperature is closer to or reaches an initial set value.
In the embodiment of the disclosure, temperature change values of the inner machine motor during the reverse rotation of the inner fan at different temperatures are tested before actual operation, the temperature change values are set as temperature change thresholds and written into a computer board, during actual operation, the temperature change values of the inner machine motor during the reverse rotation of the inner fan are obtained on the premise of ensuring the same set rotating speed with the advance test, when the difference value between the difference value and the set difference value is larger than the set difference value, it is determined that the current indoor environment temperature does not reach the preset shutdown temperature, at the moment, different methods for correcting the preset shutdown temperature are adopted according to the operation mode of the air conditioner, namely, when the air conditioner operates in a heating mode, the shutdown temperature is increased, and when the air conditioner operates in a cooling mode, the shutdown temperature is reduced. Therefore, the purpose of correcting the shutdown temperature of the air conditioner can be achieved, when the air conditioner performs shutdown control according to the corrected shutdown temperature of the air conditioner, the indoor environment temperature gradually reaches the preset shutdown temperature initially set by a user, and the air conditioner use experience of the user is optimized.
Referring to fig. 2, an embodiment of the present disclosure provides another control method for an air conditioner, including:
s201, controlling the inner fan to rotate reversely according to a set rotating speed under the condition that the indoor environment temperature reaches the preset shutdown temperature of the compressor, and acquiring a motor temperature change value in the reverse rotation process of the inner fan.
When the indoor ambient temperature reaches the preset shutdown temperature of the compressor, the operation state of the compressor can include two conditions: stopping the compressor; the compressor is not stopped temporarily and the existing operation state is kept continuously. After the air conditioner is started, the air conditioner is operated according to the preset shutdown temperature until the air conditioner is about to be shut down, the actual indoor environment temperature generally does not reach the set value, and the compressor is temporarily not shut down at the moment, so that the effect of saving time and enabling the temperature correction process to be continuous can be achieved.
Optionally, obtaining a motor temperature variation value of the inner fan includes: acquiring a temperature value of the motor in the process of reversing the inner fan; and under the condition that the temperature value of the motor is kept unchanged within the set time length, determining the difference value between the temperature value of the motor in the reversing process and the temperature value of the motor before reversing as the temperature change value of the motor.
S202, judging whether the difference value of the temperature change value of the motor and the temperature change threshold value corresponding to the indoor environment temperature is larger than a set difference value. When the difference value of the temperature change value of the motor and the temperature change threshold value corresponding to the indoor environment temperature is larger than the set difference value, S203 is executed; when the difference between the motor temperature variation value and the temperature variation threshold corresponding to the indoor ambient temperature is less than or equal to the set difference, S205 is performed.
Determining a temperature change threshold corresponding to the indoor environment temperature according to the following modes: determining a temperature interval to which the indoor environment temperature belongs; and determining the temperature change threshold value corresponding to the temperature interval as the temperature change threshold value corresponding to the indoor environment temperature.
If 0.5 ℃ can be set as the interval length, the change value of the reverse rotation temperature of the motor of the inner fan corresponding to the indoor environment temperature is measured every 0.5 ℃, and is set as the temperature change threshold corresponding to all temperatures in the temperature interval.
S203, determining a corresponding correction value according to the difference value between the temperature change value and the temperature change threshold value.
Optionally, when the difference between the temperature change value of the motor and the temperature change threshold is greater than a first preset value, the corresponding correction value is a first correction value; when the difference value between the temperature change value of the motor and the temperature change threshold value is less than or equal to a first preset value and is greater than a second preset value, the corresponding correction value is a second correction value; when the difference value between the temperature change value of the motor and the temperature change threshold value is smaller than or equal to a second preset value and is larger than a third preset value, the corresponding correction value is a third correction value; wherein the value of the first correction value is greater than the value of the second correction value, and the value of the second correction value is greater than the value of the third correction value.
The respective preset values and correction values may be set as described below, and the correction values may be obtained as follows:
T N ＝T+P N
wherein, T N Denotes a correction value, T denotes a difference between a motor temperature change value and a temperature change threshold value, P N Refers to the temperature compensation value, and the value of N is 1, 2 or 3. Correspondingly, T 1 Refers to a first correction value, T 2 Means a second correction value, T 3 Refers to a third correction value, P 1 Refers to a first temperature compensation value, P 2 Refers to the second temperature compensation value, P 3 Refers to the third temperature compensation value.
The larger the difference between the actually measured motor temperature variation value and the temperature variation threshold value is, the more the temperature compensation value is, that is, the temperature compensation value P N And is positively correlated with the difference value T between the motor temperature change value and the temperature change threshold value. The first preset value can be 5 ℃, the second preset value can be 3 ℃, the third preset value can be 1 ℃, and P is 1 At 3 degrees Celsius, P 2 Is 2 degree centigrade, P 3 At 1 degree celsius. The preset value and the correction value are set in such a way that the temperature correction is more accurate and reasonable, and the temperature correction efficiency is improved to a certain extent.
And S204, based on the operation mode of the air conditioner, correcting the preset shutdown temperature according to the correction value to obtain the corrected shutdown temperature, returning to S201 to determine whether the new indoor environment temperature reaches the corrected shutdown temperature, and performing a new shutdown control.
Optionally, the correcting the preset shutdown temperature according to the correction value based on the operation mode of the air conditioner includes: when the operation mode of the air conditioner is a heating mode, increasing the preset shutdown temperature according to the correction value; and when the operation mode of the air conditioner is a refrigeration mode, reducing the preset shutdown temperature according to the correction value.
And S205, controlling the compressor to stop.
If the compressor is stopped when the indoor environment temperature reaches the preset stop temperature of the compressor in the step S201, the step may maintain the stop state of the compressor; if the compressor continues to operate when the indoor ambient temperature reaches the preset shutdown temperature of the compressor in S201, the step may control the compressor to shutdown.
In the embodiment of the disclosure, the temperature change value of the inner machine motor when the inner fan rotates reversely at different temperatures is measured, the temperature change threshold corresponding to each temperature interval is determined through the set temperature interval and written into the computer board, the temperature change value of the inner machine motor when the inner fan rotates reversely at the same set rotating speed is obtained during actual operation, and the corresponding temperature correction operation is determined to be executed or the compressor is stopped by judging the magnitude relation between the difference value of the temperature change value of the motor and the temperature change threshold corresponding to the indoor environment temperature and the set difference value. Through the temperature interval and the setting of each preset value and correction value, the judgment and correction of the temperature are more accurate and flexible, the purpose that the indoor environment temperature is gradually corrected to the initial preset shutdown temperature is achieved, the indoor temperature value is close to or reaches the temperature desired by a user after being adjusted, and the using effect of the air conditioner is improved.
With reference to fig. 3, a control apparatus for an air conditioner according to an embodiment of the present disclosure includes an obtaining module 301 and a control module 302, where the obtaining module 301 is configured to control an inner fan to rotate reversely according to a set rotation speed and obtain a motor temperature variation value during reverse rotation of the inner fan when an indoor environment temperature reaches a preset shutdown temperature of a compressor; the control module 302 is configured to modify the preset shutdown temperature according to the operation mode of the air conditioner to obtain a modified shutdown temperature, and perform shutdown control on the air conditioner according to the modified shutdown temperature, in a case that a difference between the motor temperature variation value and a temperature variation threshold corresponding to the indoor ambient temperature is greater than a set difference.
Optionally, the obtaining module 301 is configured to determine that the indoor ambient temperature reaches the preset shutdown temperature of the compressor in the following manner: in the cooling mode, when the indoor ambient temperature is less than or equal to the first shutdown temperature, it is determined that the indoor ambient temperature reaches the preset shutdown temperature, or, in the heating mode, when the indoor ambient temperature is greater than or equal to the second shutdown temperature, it is determined that the indoor ambient temperature reaches the preset shutdown temperature.
Optionally, the control module 302 is configured to determine the temperature change threshold corresponding to the indoor ambient temperature in the following manner: determining a temperature interval to which the indoor environment temperature belongs; and determining the temperature change threshold corresponding to the temperature interval as the temperature change threshold corresponding to the indoor environment temperature.
By adopting the control device for the air conditioner, the preset shutdown temperature is correspondingly corrected according to different running modes of the air conditioner by taking the temperature change value of the motor with the inner fan reversing as a judgment basis, so that the problem that the temperature does not reach the preset set temperature when the air conditioner runs to the compressor shutdown according to the set temperature after the air conditioner is started is solved, the shutdown and startup control of the air conditioner is more accurate and sensitive, and the running function of the air conditioner is perfected.
As shown in fig. 4, an embodiment of the present disclosure provides a control apparatus for an air conditioner, including a processor (processor)400 and a memory (memory) 401. Optionally, the apparatus may also include a Communication Interface 402 and a bus 403. The processor 400, the communication interface 402, and the memory 401 may communicate with each other through a bus 403. Communication interface 402 may be used for information transfer. The processor 400 may call logic instructions in the memory 401 to perform the control method for the air conditioner of the above-described embodiment.
In addition, the logic instructions in the memory 401 may be implemented in the form of software functional units and may be stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 401 is a computer-readable storage medium and can be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 400 executes functional applications and data processing by executing program instructions/modules stored in the memory 401, that is, implements the control method for the air conditioner in the above-described embodiment.
The memory 401 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 401 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 the air conditioner.
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 disclosed embodiments provide a computer program product including a computer program stored on a computer-readable storage medium, the computer program including program instructions that, when executed by a computer, cause the computer to execute the above-described control method for an air conditioner.
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, which is stored in a storage medium and includes one or more instructions for enabling 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 according to 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 the 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 for example only and are not limiting upon 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 additional identical elements in the process, method or apparatus comprising the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment 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 technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be only one type of logical functional division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (9)
1. A control method for an air conditioner, characterized by comprising:
controlling the inner fan to rotate reversely according to a set rotating speed under the condition that the indoor environment temperature reaches the preset shutdown temperature of the compressor;
acquiring a temperature value of the motor in the process of reversing the inner fan;
under the condition that the temperature value of the motor is kept unchanged within a set time length, determining the difference value between the temperature value of the motor in the reversing process and the temperature value of the motor before reversing as the temperature change value of the motor;
under the condition that the difference value of the temperature change value of the motor and the temperature change threshold value corresponding to the indoor environment temperature is larger than a set difference value, correcting the preset shutdown temperature according to a refrigeration mode or a heating mode of the air conditioner to obtain the corrected shutdown temperature;
and performing shutdown control on the air conditioner according to the corrected shutdown temperature.
2. The method of claim 1, wherein the temperature change threshold corresponding to the indoor ambient temperature is determined as follows:
determining a temperature interval to which the indoor environment temperature belongs;
and determining the temperature change threshold corresponding to the temperature interval as the temperature change threshold corresponding to the indoor environment temperature.
3. The method as claimed in claim 1, wherein the correcting the preset shutdown temperature according to a cooling mode or a heating mode of the air conditioner comprises:
determining a corresponding correction value according to the difference value between the temperature change value and the temperature change threshold value;
and correcting the preset shutdown temperature according to the corrected value based on the refrigeration mode or the heating mode of the air conditioner.
4. The method of claim 3, wherein determining the corresponding correction value based on the difference between the temperature change value and the temperature change threshold value comprises:
when the difference value between the temperature change value and the temperature change threshold value is greater than a first preset value, the corresponding correction value is a first correction value;
when the difference value between the temperature change value and the temperature change threshold value is less than or equal to a first preset value and greater than a second preset value, the corresponding correction value is a second correction value;
when the difference value between the temperature change value and the temperature change threshold value is less than or equal to a second preset value and is greater than a third preset value, the corresponding correction value is a third correction value;
wherein the value of the first correction value is greater than the value of the second correction value, and the value of the second correction value is greater than the value of the third correction value.
5. The method according to claim 3, wherein the correcting the preset shutdown temperature according to the correction value based on a cooling mode or a heating mode of the air conditioner includes:
when the operation mode of the air conditioner is a heating mode, increasing the preset shutdown temperature according to the correction value;
and when the operation mode of the air conditioner is a refrigeration mode, reducing the preset shutdown temperature according to the correction value.
6. The method according to any one of claims 1 to 5, wherein it is determined that the indoor ambient temperature reaches a preset shutdown temperature of the compressor in the following manner:
determining that the indoor ambient temperature reaches the preset shutdown temperature when the indoor ambient temperature is less than or equal to a first shutdown temperature in the cooling mode, or,
in the heating mode, when the indoor environment temperature is greater than or equal to a second shutdown temperature, it is determined that the indoor environment temperature reaches the preset shutdown temperature.
7. A control device for an air conditioner, characterized by comprising:
the acquisition module is configured to control the inner fan to rotate reversely according to a set rotating speed under the condition that the indoor environment temperature reaches the preset shutdown temperature of the compressor; acquiring a temperature value of a motor in the process of reversing the inner fan, and under the condition that the temperature value of the motor is kept unchanged in a set time period, determining a difference value between the temperature value of the motor in the reversing process and the temperature value of the motor before reversing as a motor temperature change value;
and the control module is configured to correct the preset shutdown temperature according to a refrigeration mode or a heating mode of the air conditioner to obtain a corrected shutdown temperature and perform shutdown control on the air conditioner according to the corrected shutdown temperature under the condition that a difference value between the motor temperature variation value and a temperature variation threshold value corresponding to the indoor environment temperature is greater than a set difference value.
8. 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 6 when executing the program instructions.
9. An air conditioner characterized by comprising the control device for an air conditioner according to claim 7 or 8.
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| CN107421062A (en) * | 2017-07-10 | 2017-12-01 | 广东美的暖通设备有限公司 | Air-conditioning system, modification method and computer-readable recording medium can be needed |
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| JPH0252944A (en) * | 1988-08-15 | 1990-02-22 | Hitachi Ltd | Controller for total outdoor air air-conditioner |
| CN102829512B (en) * | 2011-08-03 | 2014-12-24 | 深圳市中兴新地通信器材有限公司 | Integrated automatic dedusting energy-saving system and conversion method thereof |
| CN104110726B (en) * | 2013-07-25 | 2017-03-22 | 广东美的制冷设备有限公司 | Wall-mounted air conditioner |
| CN103743057A (en) * | 2013-11-26 | 2014-04-23 | 中山市蓝水能源科技发展有限公司 | Central air-conditioning energy-saving control system |
| CN104374044A (en) * | 2014-10-22 | 2015-02-25 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN105605734B (en) * | 2015-12-23 | 2018-12-25 | 珠海格力电器股份有限公司 | Method and device for determining whether fan motor of air conditioner is reversely rotated |
| JP6843555B2 (en) * | 2016-08-26 | 2021-03-17 | シャープ株式会社 | Air conditioner, internal drying method of air conditioner, and control program of air conditioner |
| CN209512207U (en) * | 2019-01-30 | 2019-10-18 | 合肥顺泽能源环境科技有限公司 | Heating,Ventilating and Air Conditioning cold-heat-exchanging exchange system |
| CN112254290B (en) * | 2020-09-18 | 2021-10-29 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner fan and air conditioner |
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| CN107421062A (en) * | 2017-07-10 | 2017-12-01 | 广东美的暖通设备有限公司 | Air-conditioning system, modification method and computer-readable recording medium can be needed |
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