CN113324323B - Air conditioner control method and device, air conditioner and readable storage medium - Google Patents
Air conditioner control method and device, air conditioner and readable storage medium Download PDFInfo
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- CN113324323B CN113324323B CN202110506767.1A CN202110506767A CN113324323B CN 113324323 B CN113324323 B CN 113324323B CN 202110506767 A CN202110506767 A CN 202110506767A CN 113324323 B CN113324323 B CN 113324323B
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
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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
- 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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid 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
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- 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 present disclosure proposes an air conditioner control method, apparatus, air conditioner and readable storage medium, wherein the method comprises: receiving a sterilization mode starting instruction, acquiring an actual measurement temperature at a preset time interval, and respectively calculating a first temperature difference and a second temperature difference, wherein the first temperature difference is a difference value between a user set temperature and an environment actual measurement temperature, and the second temperature difference is a difference value between the actual measurement temperature and a target temperature of an evaporator coil of the air conditioner; and under the condition that the first temperature difference meets a first preset condition, adjusting the operating frequency of a compressor of the air conditioner and/or the wind speed of a fan of the air conditioner according to the second temperature difference so that the second temperature difference is in a target interval. The coil temperature is controlled through the alternative control of the compressor and the fan, so that the high-temperature sterilization function of the air conditioner is realized, and the heating function of the air conditioner is not influenced.
Description
Technical Field
The disclosure relates to the technical field of air conditioners, in particular to an air conditioner control method and device, an air conditioner and a readable storage medium.
Background
In winter and spring, the outdoor temperature is low, the activity time of people in the room is increased, and in order to keep the room warm, the indoor door and window are usually in a closed state. In warm environments, the activity level of microorganisms also increases, manifested by rapid proliferation, growth and longer survival time. If pathogenic bacteria such as pathogenic bacteria or viruses exist in the microorganisms, people who are in the same room with the microorganisms can be threatened, and people are more easily infected with the bacteria or the viruses to cause diseases.
Currently, some air conditioners have the functions of self-cleaning and managing the quality of indoor air, such as air conditioners with a sterilization function which are currently favored by consumers. The common sterilization method for the air conditioner comprises the following steps: ultraviolet sterilization, high-temperature sterilization, plasma sterilization, anion sterilization and the like. The high-temperature sterilization is to eliminate germs by high temperature, and the specific embodiment is to increase the temperature of a coil of a heat exchanger (evaporator) of an indoor unit of the air conditioner to a certain temperature range, and to increase the temperature of indoor air circulating to the vicinity of the heat exchanger by the heat exchange effect of the coil and the indoor air. Most of microbes such as bacteria and viruses are inactivated in a high-temperature environment, so that the sterilization function of the air conditioner and the purpose of purifying indoor air can be realized. However, the method of sterilizing at high temperature in the air conditioner may affect the heating function of the air conditioner.
Disclosure of Invention
The present disclosure is directed to solve the technical problems in the prior art, and an object of the present disclosure is to provide an air conditioner control method, an air conditioner control device, an air conditioner, and a readable storage medium, which can implement a high-temperature sterilization function without affecting a heating function of the air conditioner.
In one aspect, the present disclosure provides an air conditioner control method, including: receiving a sterilization mode starting instruction, acquiring an actual measurement temperature at a preset time interval, and respectively calculating a first temperature difference and a second temperature difference, wherein the first temperature difference is a difference value between a user set temperature and an environment actual measurement temperature, and the second temperature difference is a difference value between the actual measurement temperature and a target temperature of an evaporator coil of the air conditioner; and under the condition that the first temperature difference meets a first preset condition, adjusting the operating frequency of a compressor of the air conditioner and/or the wind speed of a fan of the air conditioner according to the second temperature difference so that the second temperature difference is in a target interval.
Optionally, the method further comprises: and under the condition that the first temperature difference meets the second preset condition, controlling the compressor to adjust the frequency in a conventional mode and controlling the fan to adjust the wind speed according to the wind speed set by a user.
In another aspect, the present disclosure provides an air conditioning control apparatus, including: a first controller and a second controller in communication with each other; the first controller receives and responds to a sterilization mode starting instruction, obtains measured temperature from a temperature sensor of the air conditioner at preset time intervals, calculates a first temperature difference and a second temperature difference respectively, and sends the first temperature difference and the second temperature difference to the second controller, wherein the first temperature difference is a difference value between a user set temperature and an environment measured temperature, and the second temperature difference is a difference value between the measured temperature of an evaporator coil of the air conditioner and a target temperature; the second controller is used for adjusting the frequency of a compressor of the air conditioner and/or triggering the first controller to adjust the wind speed of a fan of the air conditioner according to the second temperature difference under the condition that the first temperature difference meets a first preset condition, so that the second temperature difference is in a target interval; the first controller is further used for adjusting the wind speed of a fan of the air conditioner based on the triggering of the second controller and according to the second temperature difference under the condition that the first temperature difference meets a first preset condition, so that the second temperature difference is in the target interval in cooperation with the second controller.
Optionally, in a case that the first temperature difference satisfies a second preset condition: the second controller is used for controlling the compressor to adjust the frequency in a conventional manner; the first controller is used for controlling the fan to adjust the wind speed according to the wind speed set by the user.
In yet another aspect, the present disclosure provides an air conditioner including a memory, a processor, and an air conditioner control program stored in the memory and executable on the processor, the air conditioner control program implementing the steps in the air conditioner control method as described in any one of the above when executed by the processor.
In yet another aspect, the present disclosure provides a storage medium having stored thereon an air conditioning control program that, when executed by a processor, implements the steps in the air conditioning control method as recited in any one of the above.
The present disclosure provides an air conditioner control method, an air conditioner control device, an air conditioner and a readable storage medium, which stabilize the measured temperature of a coil within a range allowed by a target temperature by alternately controlling the running wind speed of a fan and the running frequency of a compressor, so as to ensure that the air conditioner in a sterilization mode can achieve a high-temperature sterilization effect through the heat exchange effect between the coil and air. Specifically, the increasing rate or the decreasing rate of the rotating speed of the fan impeller is controlled according to the difference value between the measured temperature of the coil pipe and the target temperature of the coil pipe; meanwhile, the frequency conversion mode of the compressor is controlled and the speed of the running frequency of the compressor is increased or reduced by combining the difference between the environment actual temperature and the user set temperature. According to the method, the indoor environment temperature and the indoor blowing air speed of the air conditioner are balanced by taking the user set air speed and the user set temperature as reference standards in the process of controlling the actually measured temperature of the panel tube, so that the heating function of the air conditioner is not influenced in the high-temperature sterilization process.
Drawings
The technical solutions and other advantages of the present disclosure will become apparent from the following detailed description of specific embodiments of the present disclosure, which is to be read in connection with the accompanying drawings.
Fig. 1 is a schematic diagram of an air conditioning structure of a hardware operating environment according to an embodiment of the present disclosure.
Fig. 2 is a schematic flow chart of an air conditioner control method according to an embodiment of the present disclosure.
Fig. 3 is a schematic flow chart illustrating a process of controlling a compressor adjusting frequency according to a second temperature difference according to an embodiment of the disclosure.
Fig. 4 is a schematic flow chart illustrating a process of controlling a fan to adjust a wind speed according to a second temperature difference according to an embodiment of the disclosure.
Fig. 5 is a schematic flowchart of an air conditioner control method according to a first embodiment to a third embodiment of the present disclosure.
Fig. 6 is a schematic flow chart of an air conditioner control method according to a fourth embodiment of the present disclosure
Fig. 7 is a schematic structural diagram of an air conditioner control device according to an embodiment of the present disclosure.
Detailed Description
The technical solution in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings. The terms "first," "second," "third," and the like in the description and in the claims of the present disclosure and in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so described are interchangeable under appropriate circumstances. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover a non-exclusive inclusion. In the description of the present disclosure, "a plurality" means two or more unless specifically limited otherwise. Throughout the description of the present disclosure, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.
An air conditioner is generally composed of two parts, an indoor unit and an outdoor unit. Wherein, indoor unit includes: indoor machine shell, evaporator (heat exchanger), indoor fan, air deflector, etc.; the indoor apparatus includes: outdoor unit casing, condenser (heat exchanger), outdoor fan, compressor, etc.
The air conditioner has a high-temperature sterilization function, and the specific implementation mode is that the temperature of a coil of a heat exchanger (an evaporator) is increased to a certain temperature range, and the indoor air is heated through the heat exchange effect of the coil and the indoor air, so that partial germs in the air are removed through high temperature. Therefore, the sterilization mode of the air conditioner generally has a heating effect. In general, in order to achieve a sterilization effect, the sterilization temperature set by an air conditioner factory is high, generally about 55 ℃, and exceeds a comfortable sensible temperature range of human beings. If the air conditioner is in the sterilization mode, the conventional control method is still adopted to control the temperature of the evaporator coil to be increased, so that the ambient temperature is possibly overhigh, and the use experience of a user is influenced.
The embodiment of the disclosure provides an air conditioner control method and device, an air conditioner and a readable storage medium, the temperature of an evaporator coil is stably increased by adjusting the air speed of an indoor fan, the frequency of a compressor and the angle of an air deflector, and the sterilization effect can be achieved without affecting heating.
Fig. 1 is a schematic view of an air-conditioning structure of a hardware operating environment according to an embodiment of the present disclosure. The air conditioner 100 may include: a communication bus 101, a processor 102, a memory 103, a user interface 104, a network interface 105. The communication bus 101 is used for realizing connection communication among the above components. The processor 102 may be a Central Processing Unit (CPU), which is a core of operation and control of the computer system and is a final execution Unit for information Processing and program operation. The Memory 103 may be a Random Access Memory (RAM) capable of directly exchanging data with the CPU, or a Non-Volatile Memory (NVM), such as a disk Memory. Alternatively, the memory 103 may be a storage device independent of the processor 102. The user interface 104 is mainly used for connecting and communicating data with a user terminal, and the user interface 104 may include a display unit (e.g., a display screen) and an input unit (e.g., a keyboard), and optionally, the user interface 104 may also include a standard wired interface and a standard wireless interface. The network interface 105 is mainly used for connecting to a backend server and performing data communication with the backend server, and the network interface 105 may include a standard wired interface, a wireless interface (such as a WI-FI interface), and the like.
It will be understood by those skilled in the art that the air conditioning structure shown in fig. 1 does not constitute a limitation of the air conditioner. In practice, the air conditioner 100 may include more or less components or some combination of components than those shown, and the arrangement of the various components in the air conditioner 100 is not limited to the arrangement shown in fig. 1.
Further, as a computer-readable storage medium, the memory 103 includes: the system comprises an operating system, a network communication module, a user interface module and an air conditioner control program. When the processor 102 calls and executes the air-conditioning control program in the memory 103, the steps in the air-conditioning control method described in the embodiment of the present disclosure can be implemented.
Please refer to fig. 2, which is a flowchart illustrating an air conditioner control method according to an embodiment of the present disclosure. By adopting the method to control the compressor to adjust the frequency and/or control the fan to adjust the air speed, the high-temperature sterilization function of the air conditioner can be realized on the premise of not influencing the heating function of the air conditioner.
It should be noted that, the compressor described in this embodiment is an inverter compressor, and the operating frequency of the inverter compressor is variable compared to the fixed operating frequency of the fixed-frequency compressor. The frequency conversion principle is that the power supply frequency of the compressor is changed through the frequency conversion controller, and then the rotating speed of a motor in the compressor is changed. In this embodiment, therefore, the regulation of the frequency of the compressor essentially means the regulation of the frequency of the power supply to the motor of the compressor.
It should be noted that, the fan described in this embodiment is an axial flow fan installed indoors in an air conditioner, and the controlling of the wind speed of the fan refers to controlling the wind speed generated by the fan by controlling the rotation speed of the fan impeller. It will be appreciated by those skilled in the art that, in general, the greater the fan wheel speed, the greater the wind speed generated by the fan. Therefore, the following description of increasing the wind speed, maintaining the current wind speed, or decreasing the wind speed essentially refers to increasing the rotational speed of the fan wheel, maintaining the current rotational speed of the fan wheel, or decreasing the rotational speed of the fan wheel.
Specifically, the method comprises the following steps:
s200: and receiving a sterilization mode starting instruction, acquiring the measured temperature at a preset time interval, and respectively calculating a first temperature difference and a second temperature difference.
In this step, after receiving a sterilization mode start command of the air conditioner, the opening angle of the air deflector is adjusted according to the sterilization mode, and in the sterilization mode, the opening angle of the air deflector is 15 to 30 degrees. After the air conditioner enters the sterilization mode, the compressor starts to work at a first preset frequency, wherein the first preset frequency can be the corresponding operating frequency of the compressor in the rapid heating mode or the operating frequency of the compressor before the air conditioner enters the sterilization mode. After entering the sterilization mode, the compressor selects the higher frequency of the two as the initial working frequency.
In this embodiment, the first temperature difference is a difference between a user set temperature of the air conditioner and an environment measured temperature. The environment measured temperature refers to the measured temperature of the environment where the air conditioner is located, and the user set temperature refers to the environment temperature set by the user. After the air conditioner starts to operate, the environment temperature is adjusted according to the temperature set by the user, so that the actually measured environment temperature meets the temperature set by the user. Specifically, in the present embodiment, the calculation formula of the first temperature difference is as follows:
ΔT environment(s) ＝T Environmental survey -T User settings
Wherein, Delta T Environment(s) Representing a first temperature difference; t is Environmental survey Represents a measured temperature of the environment; t is User settings Indicating a user set temperature.
The second temperature difference is the difference between the measured temperature of the coil and the target temperature, wherein the target temperature of the coil corresponds to the sterilization temperature, and when the temperature of the coil reaches the target temperature, the sterilization function of the air conditioner starts to work. Specifically, in the present embodiment, the calculation formula of the second temperature difference is as follows:
ΔT coil pipe ＝T Coil pipe actual measurement -T Coiled tubing target
Wherein, Delta T Coil pipe Representing a second temperature difference; t is Coil pipe actual measurement Representing the measured temperature of the coil; t is Coiled tubing target Representing the target temperature of the coil.
In the subsequent frequency control and wind speed control processes, the first temperature difference and the second temperature difference are respectively obtained once every preset time so as to accurately select the operating conditions of the fan and the compressor.
S300: and under the condition that the first temperature difference meets a first preset condition, adjusting the operating frequency of a compressor of the air conditioner and/or the air speed of a fan of the air conditioner according to the second temperature difference so as to enable the second temperature difference to be in a target interval.
S400: and under the condition that the first temperature difference meets a second preset condition, controlling the compressor to adjust the frequency according to a conventional mode and controlling the fan to adjust the wind speed according to the wind speed set by the user.
In this embodiment, the first preset condition is that the first temperature difference is greater than 1.5 degrees celsius; the second preset condition is that the first temperature difference is equal to or less than 1.5 ℃. It should be noted that, in some possible embodiments of the present disclosure, the first preset condition or the second preset condition is not limited thereto.
At the beginning of the air conditioner entering the sterilization mode, S300 or S400 is selectively executed according to the magnitude of the difference (first temperature difference) between the user set temperature and the environment measured temperature.
If the difference between the user set temperature and the environment measured temperature is not more than 1.5 ℃ (second preset condition), the difference indicates that the environment measured temperature is close to the user set temperature at the moment, and the sterilization function of the air conditioner can be realized without influencing heating without adjusting the wind speed and the frequency in a targeted manner. At the moment, the compressor is controlled to operate according to a conventional frequency conversion mode, and the fan is controlled to adjust the wind speed according to the wind speed set by a user. Here, the second preset condition that the measured ambient temperature approaches the user set temperature is the target condition of the first temperature difference.
If the first temperature difference is greater than 1.5 ℃ (first preset condition), it indicates that the actually measured ambient temperature is low, and the indoor ambient temperature cannot be adjusted by only a conventional frequency conversion mode or a user-set wind speed to meet the user requirement. At this time, the temperature of the coil needs to be increased to increase the amount of heat dissipated, thereby increasing the indoor ambient temperature. However, in the sterilization mode, the coil can achieve a sterilization effect after reaching a target temperature. Therefore, if the temperature of the coil is increased in a conventional manner to increase heating, the measured temperature of the coil may exceed the target temperature of the coil, which not only increases the energy consumption of the air conditioner, but also may affect the heating function of the air conditioner, such as excessive heating, due to the fact that heat cannot be dissipated in time in the conventional heat dissipation manner during the continuous temperature rise of the coil. Therefore, in the case that the first temperature difference satisfies the first preset condition (does not satisfy the target condition), the air conditioner control method according to the present disclosure needs to be adopted to alternately control the fan regulation rotation speed and/or the compressor regulation frequency, so that the measured indoor environment temperature satisfies the user set temperature, and the measured coil temperature reaches the coil target temperature. It should be noted that, in the process of alternately controlling the compressor and the fan, the first temperature difference and the second temperature difference need to be obtained once every predetermined time to adjust the control strategy in real time, so as to meet the above requirements.
Referring to fig. 3, the method provided in this embodiment controls the frequency of the compressor according to the value interval of the second temperature difference, and the frequency variation amplitude varies with the value of the second temperature difference as shown in table 1.
Specifically, in this embodiment, when the first temperature difference satisfies the first preset condition, S310, S320, or S330 is selectively performed according to the value range where the second temperature difference is located, so as to control the compressor to adjust the frequency.
S310: if the second temperature difference is in the first preset interval, continuously adjusting the operating frequency of the compressor upwards according to the second temperature difference;
s320: if the second temperature difference is in a second preset interval, continuously adjusting the operating frequency of the compressor downwards according to the second temperature difference;
s330: and if the second temperature difference is in a third preset interval, keeping the operating frequency of the compressor unchanged.
The controlling the compressor to decrease the frequency means that the measured temperature of the coil is higher, and the operation frequency of the compressor needs to be decreased to slow down the heating speed of the compressor, that is, S310 is executed. Controlling the compressor to increase the frequency means that the measured temperature of the coil is low at this time, and the heating speed of the compressor needs to be increased, so the frequency of the compressor needs to be increased, that is, S320 is executed. Controlling the compressor to maintain the current operating frequency means that the measured temperature of the coil at the moment meets the requirement of the target temperature of the coil, and the compressor can maintain the operating frequency at the moment without adjusting, namely executing S330.
Further, in case that the first temperature difference satisfies the first preset condition, the frequency adjusting operation for the compressor of the air conditioner is performed according to the second temperature difference with reference to the manner shown in table 1.
As can be seen from Table 1, whenThe second temperature difference is within a first preset interval (delta T) Coil pipe <At 0 deg.c), the compressor is controlled to raise the frequency, and the smaller the value of the first temperature difference, the faster the compressor frequency is raised, indicating that the measured temperature of the coil is lower than the target temperature, and the heating needs to be accelerated, so the compressor needs to be controlled to raise the operating frequency more quickly. When the second temperature difference is within the first preset interval (delta T is more than or equal to 0℃) Coil pipe <2 deg.C), the frequency of the compressor is not changed. When the second temperature difference is within a first preset interval (delta T) Coil pipe >2 deg.c), the compressor is controlled to decrease the frequency, and the larger the value of the first temperature difference, the faster the compressor frequency decreases, indicating that the measured temperature of the coil exceeds the target temperature more, and that heating needs to be slowed down, so the compressor needs to be controlled to decrease the operating frequency more quickly.
Referring to fig. 4, in the method provided by this embodiment, the wind speed of the fan is controlled according to the value interval of the second temperature difference, and as shown in table 2, the variation range of the wind speed (the rotation speed of the impeller of the fan) varies with the value of the second temperature difference.
Specifically, in this embodiment, when the first temperature difference meets the first preset condition, S410, S420, or S430 is selectively performed according to the value interval where the second temperature difference is located, so as to control the fan to adjust the wind speed.
S410: if the second temperature difference is in the first preset interval, continuously adjusting the wind speed of the fan downwards according to the second temperature difference;
s420: if the second temperature difference is in a second preset interval, continuously adjusting the wind speed of the fan upwards according to the second temperature difference;
s430: and if the second temperature difference is in a third preset interval, keeping the wind speed of the fan unchanged.
The control of the fan to increase the wind speed indicates that the actually measured temperature of the coil pipe is higher at this time, and the wind speed generated by the fan needs to be increased to accelerate the heat dissipation of the coil pipe, that is, S410 is executed. Controlling the fan to decrease the wind speed means that the measured temperature of the coil is lower at this time, and the heat dissipation amount needs to be decreased, so the wind speed of the fan needs to be decreased, that is, S420 is executed. And controlling the fan to maintain the current wind speed, namely the actually measured temperature of the coil at the moment meets the requirement of the target temperature of the coil, and the fan can maintain the running state at the moment without being adjusted, namely S430 is executed.
Further, in the case where the first temperature difference satisfies the first preset condition, the wind speed adjusting operation for the fan of the air conditioner is performed according to the second temperature difference with reference to the manner shown in table 2.
As can be seen from Table 2, when the second temperature difference is within the first predetermined interval (Δ T) Coil pipe <And when the temperature is 0 ℃, controlling the fan impeller to reduce the rotating speed, wherein the smaller the numerical value of the first temperature difference is, the faster the rotating speed of the fan impeller is reduced, the lower the actually measured temperature of the coil pipe is to be higher than the target temperature, and the heat dissipation needs to be reduced, so that the fan is required to be controlled to reduce the rotating speed of the impeller more quickly. When the second temperature difference is within the first preset interval (delta T is more than or equal to 0℃) Coil pipe <At 2 deg.C, the rotation speed of the fan impeller is not changed. When the second temperature difference is within a first preset interval (delta T) Coil pipe >2 ℃), controlling the fan impeller to increase the rotating speed, wherein the larger the numerical value of the first temperature difference is, the faster the rotating speed of the fan impeller is increased, which indicates that the actually measured temperature of the coil pipe exceeds the target temperature more, and the heat dissipation needs to be faster, so that the fan needs to be controlled to increase the rotating speed of the impeller more quickly. And when the first temperature difference is greater than or equal to 6 ℃, the rotating speed of the impeller is increased at the maximum speed which can be borne by the fan.
In combination with the steps of the above method, in the initial stage of entering the sterilization mode, when the first temperature difference satisfies the first preset condition (does not satisfy the target condition), S510, S520, or S530 shown in fig. 5 is selectively executed according to the value interval in which the value of the second temperature difference is located.
The first embodiment is as follows:
s510: if the second temperature difference is in the first preset interval, continuously adjusting the operating frequency of the compressor upwards according to the second temperature difference;
specifically, in this embodiment, the second temperature difference being in the first preset interval means that the second temperature difference is less than 0 degrees celsius, which indicates that the measured temperature of the coil is lower than the target temperature and needs to be raised, and at this time, the frequency is adjusted upward by controlling the compressor to accelerate the heating speed (refer to table 1). Further, when the operating frequency of the compressor is raised to the maximum frequency for a preset time period or the operating frequency of the compressor has been raised to a preset limit frequency, S511 is performed.
S511: and if the operating frequency of the compressor is increased to the maximum frequency and lasts for a preset time or the operating frequency of the compressor is increased to a preset limit frequency, triggering the air speed adjusting operation of a fan of the air conditioner.
In the first embodiment, in the process of adjusting the operation frequency of the compressor, if the operation frequency of the compressor has risen to the maximum frequency and continues for a preset time period, for example, the compressor has reached the maximum frequency and continues to operate for 3 minutes, or the operation frequency of the compressor has risen to a preset limit frequency, if the first temperature difference still does not satisfy the target condition (meets the first preset condition), the wind speed adjustment operation for the fan of the air conditioner is triggered, and the adjustment process may refer to table 2.
The second embodiment:
s520: if the second temperature difference is in a second preset interval, continuously adjusting the wind speed of the fan upwards according to the second temperature difference;
specifically, in this embodiment, the second temperature difference being in the second preset interval means that the second temperature difference is not less than 2 degrees celsius, and it indicates that the actually measured temperature of the coil pipe is higher than the target temperature and needs to be cooled, and at this time, the wind speed is adjusted upwards by controlling the fan to accelerate the heat dissipation speed. Further, when the wind speed of the wind turbine reaches the wind speed threshold, S521 is performed.
S521: and if the wind speed of the fan is increased to the wind speed threshold value, stopping the wind speed adjusting operation, and triggering the frequency adjusting operation of the compressor of the air conditioner to be continuously executed.
In the process of adjusting the wind speed, if the wind speed of the fan reaches the wind speed set by the user, and if the first temperature difference still does not meet the target condition (meets the first preset condition), the wind speed adjusting operation is stopped, the compressor adjusting frequency is controlled according to the second temperature difference, and the control process can refer to table 1.
Example three:
s530: and if the second temperature difference is in a third preset interval, keeping the wind speed of the fan and the operating frequency of the compressor unchanged.
Specifically, in this embodiment, the second temperature difference being in the third preset interval means that the second temperature difference is less than 2 degrees celsius and not less than 0 degrees celsius, which indicates that the actually measured temperature of the coil pipe meets the allowable range of the target temperature, that is, the third preset interval is the target interval of the second temperature difference. At this time, as shown in tables 1 and 2, the fan may be controlled to maintain the wind speed and the compressor may be controlled to maintain the frequency. And if the second temperature difference is not in a third preset interval in the subsequent process, alternately controlling the frequency of the compressor and the wind speed of the fan to be adjusted according to the actual conditions of the first temperature difference and the second temperature difference by combining the steps in the method so as to enable the second temperature difference to fall back to the third preset interval.
Example four:
referring to fig. 6, in the process of performing the above S510, S520, or S530 to control the fan to adjust the wind speed, when the wind speed of the fan reaches the wind speed threshold (the wind speed set by the user), if the first temperature difference still satisfies the first preset condition and the second temperature difference still stays in the second preset interval, the following operations are performed:
s610: if the wind speed threshold value is smaller than the first preset wind speed, adjusting the wind speed of the fan to the first preset wind speed;
s620: and if the wind speed threshold value is not less than the first preset wind speed, maintaining the wind speed of the fan.
It should be noted that, in this embodiment, the first preset wind speed represents a wind speed corresponding to a neutral gear of an air conditioner. Specifically, when the wind speed generated by the fan is equal to the wind speed set by the user, if the first temperature difference meets a first preset condition and the second temperature difference is within a second preset interval, it indicates that the actually measured ambient temperature is lower and the actually measured coil temperature is higher. Therefore, while controlling the compressor to adjust the frequency downwards (to slow down the heating speed), the air speed of the fan is also required to be controlled not to be lower than the medium wind gear of the air conditioner (to ensure the heat dissipation capacity of the coil), so as to ensure that the coil is cooled to the target temperature of the coil and the actually measured temperature of the environment is raised to the set temperature.
The embodiment of the disclosure provides an air conditioner control method, which enables the actually measured temperature of a coil to reach the target temperature of the coil by alternately controlling a fan to adjust the air speed and controlling a compressor to adjust the frequency so as to ensure that the air conditioner in a sterilization mode can realize a high-temperature sterilization effect. In addition, the method can also use the user set wind speed and the user set temperature as reference standards in real time in the process of controlling the actual temperature measurement of the panel duct, so that the heating capacity of the air conditioner is balanced while the high-temperature sterilization effect is realized.
To achieve the above object, an embodiment of the present disclosure further provides an air conditioning control device as shown in fig. 7, where the air conditioning control device 700 includes a first controller 710 and a second controller 720 that communicate with each other.
The first controller 710 receives and responds to a sterilization mode start instruction of the air conditioner, obtains an actual measurement temperature from a temperature sensor of the air conditioner at a preset time interval, respectively obtains a first temperature difference and a second temperature difference, and sends the first temperature difference and the second temperature difference to the second controller to trigger the second controller to control the operation at a first preset frequency. The first temperature difference is the difference value between the set temperature of a user and the actually measured temperature of the environment, and the second temperature difference is the difference value between the actually measured temperature of the evaporator coil of the air conditioner and the target temperature.
The second controller 720 is configured to, when the first temperature difference satisfies a first preset condition, adjust a frequency of a compressor of the air conditioner and/or trigger the first controller 710 to adjust a wind speed of a fan of the air conditioner according to the second temperature difference, so that the second temperature difference is within a target interval.
The first controller 710 is further configured to adjust the wind speed of the fan of the air conditioner based on the trigger of the second controller 720 and according to the second temperature difference when the first temperature difference meets a first preset condition, so as to cooperate with the second controller 720 to enable the second temperature difference to be in the target interval.
Specifically, in this embodiment, when the first temperature difference satisfies the first preset condition, the first controller 710 selectively executes the steps in S410, S420, or S430 according to the value interval where the second temperature difference is located, so as to control the fan to adjust the wind speed, which is as follows:
when the second temperature difference is within the first preset interval, the first controller 710 continuously adjusts the wind speed of the fan downwards according to the second temperature difference;
when the second temperature difference is within a second preset interval, the first controller 710 continuously adjusts the wind speed of the fan upward according to the second temperature difference. And if the wind speed of the wind turbine has risen to the wind speed threshold, stopping the wind speed adjusting operation, and triggering the second controller 720 to continue the frequency adjusting operation for the compressor of the air conditioner by sending a first frequency control command to the second controller 720.
When the second temperature difference is within a third preset interval, the first controller 710 keeps the wind speed of the fan unchanged.
Specifically, in this embodiment, when the first temperature difference meets the first preset condition, the second controller 720 selectively executes the steps in S310, S320, or S330 according to the value interval of the second temperature difference to control the adjustment frequency of the compressor, which is as follows:
When the second temperature difference is within the first preset interval, the second controller 720 continuously adjusts the operating frequency of the compressor upward according to the second temperature difference. And if the operating frequency of the compressor has risen to the maximum frequency for a preset duration or the operating frequency of the compressor has risen to a preset limit frequency, triggering the first controller 710 to perform an air speed adjustment operation for a fan of the air conditioner by sending a first air speed control instruction to the first controller 710;
when the second temperature difference is within a second preset interval, the second controller 720 continuously adjusts the operating frequency of the compressor downward according to the second temperature difference;
when the second temperature difference is within a third predetermined interval, the second controller 720 keeps the frequency of compression unchanged.
Further, in a case where the first temperature difference satisfies the first preset condition, and when the second temperature difference is in a third preset interval:
the first controller 710 keeps the wind speed of the fan constant;
the second controller 720 keeps the frequency of the compressor unchanged, wherein the third preset interval is the target interval of the second temperature difference.
In this embodiment, when the first temperature difference satisfies a second preset condition:
A second controller 720 for controlling the compressor to adjust the frequency in a conventional manner;
the first controller 710 is configured to control the fan to adjust the wind speed according to the user-set wind speed.
To achieve the above object, the present disclosure also provides an air conditioner including a memory, a processor, and an air conditioner control program stored in the memory and executable on the processor, wherein the air conditioner control program, when executed by the processor, implements the steps in the air conditioner control method according to any one of the above.
To achieve the above object, the present disclosure provides a readable storage medium having stored thereon an air conditioning control program that, when executed by a processor, implements the steps in the air conditioning control method as described in any one of the above.
The embodiment of the disclosure provides an air conditioner control method and device, an air conditioner and a readable storage medium, wherein the actually measured temperature of a coil is stabilized within a range allowed by a target temperature through the alternate control of the running wind speed of a fan and the running frequency of a compressor, so that the air conditioner in a sterilization mode can achieve the effect of high-temperature sterilization through the heat exchange effect of the coil and air. Specifically, the increasing rate or the decreasing rate of the rotating speed of the fan impeller is controlled according to the difference value between the measured temperature of the coil pipe and the target temperature of the coil pipe; meanwhile, the frequency conversion mode of the compressor is controlled and the speed of the running frequency of the compressor is increased or reduced by combining the difference between the environment actual temperature and the user set temperature. According to the method, the indoor environment temperature and the indoor blowing air speed of the air conditioner are balanced by taking the user set air speed and the user set temperature as reference standards in the process of controlling the actually measured temperature of the panel tube, so that the heating function of the air conditioner is not influenced in the high-temperature sterilization process.
As will be appreciated by one of skill in the art, embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and so forth) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The disclosure may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While alternative embodiments of the present disclosure have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including alternative embodiments and all such alterations and modifications as fall within the scope of the disclosure.
It will be apparent to those skilled in the art that various changes and modifications can be made in the present disclosure without departing from the spirit and scope of the disclosure. Thus, if such modifications and variations of the present disclosure fall within the scope of the claims of the present disclosure and their equivalents, the present disclosure is intended to include such modifications and variations as well. In the above embodiments, the principle and the implementation manner of the present disclosure are explained by applying specific embodiments, and descriptions of various embodiments have respective emphasis, and for parts which are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments. The above description of the embodiments is only for helping understanding the technical solutions of the present disclosure and the core ideas thereof; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.
Claims (11)
1. An air conditioning control method, characterized by comprising:
receiving a sterilization mode starting instruction, acquiring an actual measurement temperature at a preset time interval, and respectively calculating a first temperature difference and a second temperature difference, wherein the first temperature difference is a difference value between a user set temperature and an environment actual measurement temperature, and the second temperature difference is a difference value between the actual measurement temperature and a target temperature of an evaporator coil of the air conditioner;
when the first temperature difference meets a first preset condition, adjusting the operating frequency of a compressor of the air conditioner and/or the wind speed of a fan of the air conditioner according to the second temperature difference so as to enable the second temperature difference to be in a target interval;
adjusting the operating frequency of a compressor of the air conditioner and/or the wind speed of a fan of the air conditioner according to the second temperature difference, specifically:
when the second temperature difference is in a first preset interval, continuously adjusting the operating frequency of the compressor upwards according to the second temperature difference, and when the operating frequency of the compressor is increased to the maximum frequency and continues for a preset time or the operating frequency of the compressor is increased to a preset limit frequency, triggering the air speed adjusting operation of a fan of the air conditioner;
When the second temperature difference is in a second preset interval, continuously adjusting the running frequency of the compressor downwards according to the second temperature difference;
and when the second temperature difference is in a third preset interval, keeping the running frequency of the compressor unchanged.
2. The method of claim 1, wherein the wind speed adjustment operation comprises:
when the second temperature difference is within the first preset interval, continuously adjusting the wind speed of the fan downwards according to the second temperature difference;
when the second temperature difference is within the second preset interval, continuously adjusting the wind speed of the fan upwards according to the second temperature difference, and when the wind speed of the fan rises to a wind speed threshold value, stopping the wind speed adjusting operation and triggering the frequency adjusting operation of a compressor of the air conditioner to be continuously executed;
and when the second temperature difference is in the third preset interval, keeping the wind speed of the fan unchanged.
3. The method of claim 2, wherein the wind speed threshold is a user-set wind speed, and when the wind speed of the wind turbine reaches the wind speed threshold, when the first temperature difference satisfies the first preset condition and the second temperature difference is within the second preset interval, performing the following:
When the wind speed threshold is smaller than a first preset wind speed, adjusting the wind speed of the fan to the first preset wind speed;
and when the wind speed threshold is not less than the first preset wind speed, maintaining the wind speed of the fan.
4. The method according to any one of claims 1 to 3, characterized in that, in the case where said first temperature difference satisfies said first preset condition, the following operations are carried out:
and when the second temperature difference is in a third preset interval, keeping the wind speed of the fan unchanged and keeping the frequency of the compressor unchanged, wherein the third preset interval is the target interval of the second temperature difference.
5. The method of claim 4, further comprising:
and under the condition that the first temperature difference meets the second preset condition, controlling the compressor to adjust the frequency in a conventional mode and controlling the fan to adjust the wind speed according to the wind speed set by a user.
6. An air conditioner control device is characterized by comprising a first controller and a second controller which are communicated with each other;
the first controller receives a sterilization mode starting instruction, then obtains measured temperature from a temperature sensor of the air conditioner at a preset time interval, calculates a first temperature difference and a second temperature difference respectively, and sends the first temperature difference and the second temperature difference to the second controller, wherein the first temperature difference is a difference value between user set temperature and environment measured temperature, and the second temperature difference is a difference value between the measured temperature of an evaporator coil of the air conditioner and a target temperature;
The second controller is used for adjusting the frequency of a compressor of the air conditioner and/or triggering the first controller to adjust the wind speed of a fan of the air conditioner according to the second temperature difference under the condition that the first temperature difference meets a first preset condition, so that the second temperature difference is in a target interval;
in a case where the first temperature difference satisfies the first preset condition, the second controller performs a frequency adjustment operation for a compressor of the air conditioner according to the second temperature difference in the following manner:
when the second temperature difference is in a first preset interval, continuously adjusting the operating frequency of the compressor upwards according to the second temperature difference, and if the operating frequency of the compressor is increased to the maximum frequency and continues for a preset time or the operating frequency of the compressor is increased to a preset limit frequency, sending a first wind speed control instruction to a first controller to trigger the first controller to execute a wind speed adjusting operation aiming at a fan of the air conditioner;
when the second temperature difference is in a second preset interval, continuously adjusting the running frequency of the compressor downwards according to the second temperature difference;
when the second temperature difference is in a third preset interval, keeping the frequency of the compressor unchanged;
The first controller is further used for adjusting the wind speed of a fan of the air conditioner based on the triggering of the second controller and according to the second temperature difference under the condition that the first temperature difference meets a first preset condition, so that the second temperature difference is in the target interval in cooperation with the second controller.
7. The apparatus of claim 6, wherein in case the first temperature difference satisfies the first preset condition, the first controller performs the wind speed adjusting operation in a manner of:
when the second temperature difference is within the first preset interval, continuously adjusting the wind speed of the fan downwards according to the second temperature difference;
when the second temperature difference is within the second preset interval, continuously adjusting the wind speed of the fan upwards according to the second temperature difference, and if the wind speed of the fan is increased to a wind speed threshold value, stopping the wind speed adjustment operation, and sending a first frequency control instruction to a second controller to trigger the second controller to continuously execute the frequency adjustment operation of the compressor of the air conditioner;
and when the second temperature difference is in the third preset interval, keeping the wind speed of the fan unchanged.
8. The device according to any one of claims 6 to 7, characterized in that, in the case where said first temperature difference satisfies said first preset condition, and when said second temperature difference is in a third preset interval:
the first controller keeps the wind speed of the fan unchanged;
the second controller keeps the frequency of the compressor unchanged, wherein the third preset interval is the target interval of the second temperature difference.
9. The device according to claim 8, characterized in that, in the case where said first temperature difference satisfies a second preset condition:
the second controller is used for controlling the compressor to adjust the frequency in a conventional manner;
the first controller is used for controlling the fan to adjust the wind speed according to the wind speed set by a user.
10. A storage medium having stored thereon an air conditioning control program which, when executed by a processor, implements the steps in the air conditioning control method according to any one of claims 1 to 5.
11. An air conditioner comprising the air conditioning control device according to any one of claims 6 to 9.
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| KR900002143B1 (en) * | 1985-03-29 | 1990-04-02 | 미쯔비시 덴끼 가부시기가이샤 | Duct type multizone air-conditioning system |
| JP3773767B2 (en) * | 2000-08-28 | 2006-05-10 | シャープ株式会社 | Air purifier and air conditioner equipped with an ion generator |
| JP2008032370A (en) * | 2006-08-01 | 2008-02-14 | Sanyo Electric Co Ltd | Air conditioner |
| CN101706145B (en) * | 2009-11-13 | 2012-08-22 | 广东美的电器股份有限公司 | Control method for improving comfort of air conditioner |
| JP5792221B2 (en) * | 2013-04-19 | 2015-10-07 | ミサワホーム株式会社 | Indoor air conditioning system |
| CN104913429B (en) * | 2014-03-10 | 2018-04-13 | 广东美的制冷设备有限公司 | Air conditioner method for disinfection and air conditioner |
| CN105485853B (en) * | 2015-12-29 | 2018-11-09 | 珠海格力电器股份有限公司 | The setting method and device of compressor of air conditioner running frequency |
| CN106225176B (en) * | 2016-08-24 | 2019-05-31 | 青岛海尔空调器有限总公司 | Operation of air conditioner control method |
| CN110094839B (en) * | 2018-01-31 | 2021-08-24 | 青岛海尔智能技术研发有限公司 | Sterilization method for indoor unit of air conditioner and sterilization air conditioner |
| CN111561765A (en) * | 2019-06-17 | 2020-08-21 | 广东Tcl智能暖通设备有限公司 | Control method for rapid refrigeration or rapid heating and variable frequency air conditioner |
| CN110513819B (en) * | 2019-08-29 | 2021-05-18 | Tcl空调器(中山)有限公司 | Air conditioner control method, air conditioner and storage medium |
| CN111336656B (en) * | 2020-03-13 | 2021-07-16 | 广东美的制冷设备有限公司 | Air conditioner disinfection control method, air conditioner and readable storage medium |
| CN111397128A (en) * | 2020-03-27 | 2020-07-10 | 广东美的制冷设备有限公司 | High-temperature sterilization method, frequency control method and air conditioner |
| CN111397130A (en) * | 2020-03-27 | 2020-07-10 | 广东美的制冷设备有限公司 | Air conditioner control method, air conditioner and storage medium |
| CN111795466B (en) * | 2020-06-02 | 2021-09-07 | 宁波奥克斯电气股份有限公司 | Air conditioner heating and air-releasing control method and device, air conditioner and computer readable storage medium |
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