CN112413837A - Variable frequency air conditioner control method and device, air conditioner and storage medium - Google Patents
Variable frequency air conditioner control method and device, air conditioner and storage medium Download PDFInfo
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- CN112413837A CN112413837A CN201910777048.6A CN201910777048A CN112413837A CN 112413837 A CN112413837 A CN 112413837A CN 201910777048 A CN201910777048 A CN 201910777048A CN 112413837 A CN112413837 A CN 112413837A
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- air conditioner
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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
- F24F11/70—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
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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
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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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
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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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
Abstract
The application provides a control method and device for a variable frequency air conditioner, an air conditioner and a storage medium, wherein the method comprises the following steps: controlling the variable frequency air conditioner to carry out frequency rising according to a preset frequency rising mode; before the frequency of the variable frequency air conditioner reaches a target frequency or within a preset time length after the frequency rising starting moment of the variable frequency air conditioner, controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be larger than a preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be larger than a preset rotating speed. The return air temperature can be effectively improved, the return oil is optimized, and the oil return performance of the compressor is improved.
Description
Technical Field
The application relates to the technical field of electric appliances, in particular to a control method and device of a variable frequency air conditioner, an air conditioner and a storage medium.
Background
With the rapid development of science and technology, air conditioners are becoming common electronic devices in people's lives, and can provide cool or warm environments for users.
The air conditioner is very easily influenced by the ambient temperature under the low-temperature refrigeration mode, if the external ambient temperature is too low, the oil return of the compressor is easily poor, the lubrication is influenced, and therefore the performance of the compressor is reduced.
Therefore, how to ensure the oil return performance of the compressor becomes a technical problem which needs to be solved urgently.
Disclosure of Invention
In order to solve the problems in the prior art, the application provides a control method and device for a variable frequency air conditioner, an air conditioner and a storage medium, so as to overcome the defects that the oil return performance of a compressor in the prior art is poor and the like.
The application provides a control method of an inverter air conditioner in a first aspect, which comprises the following steps:
controlling the variable frequency air conditioner to carry out frequency rising according to a preset frequency rising mode;
before the frequency of the variable frequency air conditioner reaches a target frequency or within a preset time length after the frequency rising starting moment of the variable frequency air conditioner, controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be larger than a preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be larger than a preset rotating speed.
In a preferred embodiment of the above method, the method further comprises:
before the frequency of the variable frequency air conditioner reaches the target frequency or within a preset time length after the frequency rising starting moment of the variable frequency air conditioner, controlling the angle of a first stepping motor of the variable frequency air conditioner so as to enable the vertical swing air volume to be larger than the first preset air volume, and/or controlling the angle of a second stepping motor of the variable frequency air conditioner so as to enable the horizontal swing air volume to be larger than the second preset air volume.
In a preferred embodiment of the above method, the method further comprises:
after the frequency of the variable frequency air conditioner reaches a target frequency or the rising frequency starting time of the variable frequency air conditioner is taken as the starting time and the preset time duration elapses, controlling the angle of the first stepping motor of the variable frequency air conditioner according to the angle control instruction of the first stepping motor input by the user and/or controlling the angle of the second stepping motor of the variable frequency air conditioner according to the angle control instruction of the second stepping motor input by the user.
In a preferred technical solution of the above method, the controlling an angle of a first stepping motor of the inverter air conditioner to make an up-and-down swinging air volume greater than a first preset air volume, and/or controlling an angle of a second stepping motor of the inverter air conditioner to make a left-and-right swinging air volume greater than a second preset air volume includes:
and controlling the angle of a first stepping motor of the variable frequency air conditioner so as to enable the vertical swing air quantity to be the maximum air quantity, and/or controlling the angle of a second stepping motor of the variable frequency air conditioner so as to enable the horizontal swing air quantity to be the maximum air quantity.
In a preferred embodiment of the above method, the method further comprises:
and after the frequency of the variable frequency air conditioner reaches the target frequency or the rising frequency starting time of the variable frequency air conditioner is taken as the starting time, after the preset time, restoring the opening degree of an electronic expansion valve of the variable frequency air conditioner to the factory-set opening degree corresponding to the target frequency and/or controlling the rotating speed of the fan according to a fan rotating speed control instruction input by a user.
In a preferred technical scheme of the method, the controlling an opening degree of an electronic expansion valve of the inverter air conditioner to be greater than a preset opening degree and/or controlling a rotation speed of a fan in an indoor unit of the inverter air conditioner to be greater than a preset rotation speed includes:
and if the outdoor temperature of the variable frequency air conditioner during starting is determined to be less than or equal to the preset temperature, controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be greater than the preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be greater than the preset rotating speed.
In a preferred technical scheme of the method, the controlling an opening degree of an electronic expansion valve of the inverter air conditioner to be greater than a preset opening degree and/or controlling a rotation speed of a fan in an indoor unit of the inverter air conditioner to be greater than a preset rotation speed includes:
and controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be the maximum opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be the maximum rotating speed.
The second aspect of the present application provides a control device for an inverter air conditioner, comprising:
the first control module is used for controlling the frequency rising of the variable frequency air conditioner according to a preset frequency rising mode;
and the second control module is used for controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be larger than a preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be larger than a preset rotating speed before the frequency of the variable frequency air conditioner reaches a target frequency or within a preset time length after the frequency rising starting moment of the variable frequency air conditioner.
In a preferred embodiment of the foregoing apparatus, the second control module is further configured to:
before the frequency of the variable frequency air conditioner reaches the target frequency or within a preset time length after the frequency rising starting moment of the variable frequency air conditioner, controlling the angle of a first stepping motor of the variable frequency air conditioner so as to enable the vertical swing air volume to be larger than the first preset air volume, and/or controlling the angle of a second stepping motor of the variable frequency air conditioner so as to enable the horizontal swing air volume to be larger than the second preset air volume.
In a preferred embodiment of the foregoing apparatus, the second control module is further configured to:
after the frequency of the variable frequency air conditioner reaches a target frequency or the rising frequency starting time of the variable frequency air conditioner is taken as the starting time and the preset time duration elapses, controlling the angle of the first stepping motor of the variable frequency air conditioner according to the angle control instruction of the first stepping motor input by the user and/or controlling the angle of the second stepping motor of the variable frequency air conditioner according to the angle control instruction of the second stepping motor input by the user.
In a preferred technical solution of the above apparatus, the second control module is specifically configured to:
and controlling the angle of a first stepping motor of the variable frequency air conditioner so as to enable the vertical swing air quantity to be the maximum air quantity, and/or controlling the angle of a second stepping motor of the variable frequency air conditioner so as to enable the horizontal swing air quantity to be the maximum air quantity.
In a preferred embodiment of the foregoing apparatus, the second control module is further configured to:
and after the frequency of the variable frequency air conditioner reaches the target frequency or the rising frequency starting time of the variable frequency air conditioner is taken as the starting time, after the preset time, restoring the opening degree of an electronic expansion valve of the variable frequency air conditioner to the factory-set opening degree corresponding to the target frequency and/or controlling the rotating speed of the fan according to a fan rotating speed control instruction input by a user.
In a preferred technical solution of the above apparatus, the second control module is specifically configured to:
and if the outdoor temperature of the variable frequency air conditioner during starting is determined to be less than or equal to the preset temperature, controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be greater than the preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be greater than the preset rotating speed.
In a preferred technical solution of the above apparatus, the second control module is specifically configured to:
and controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be the maximum opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be the maximum rotating speed.
A third aspect of the present application provides an air conditioner comprising: at least one processor and memory;
the memory is configured to store computer-executable instructions for causing the at least one processor to execute the computer-executable instructions to implement the method provided by the first aspect.
A fourth aspect of the present application provides a computer-readable storage medium having stored thereon computer-executable instructions for implementing the method provided by the first aspect when executed by a processor.
The technical personnel in the field can understand that, the inverter air conditioner control method, the inverter air conditioner control device, the air conditioner and the storage medium control the opening degree of the electronic expansion valve of the inverter air conditioner to be greater than the preset opening degree and/or control the rotating speed of the fan in the indoor unit of the inverter air conditioner to be greater than the preset rotating speed by controlling the frequency to reach the target frequency or within the preset time length after the frequency rising starting moment of the inverter air conditioner in the frequency rising process of the inverter air conditioner, so that the return air temperature can be effectively increased, the oil return is optimized, and the oil return performance of the compressor is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an inverter air conditioner based on an embodiment of the present application;
fig. 2 is a schematic flowchart of a control method of an inverter air conditioner according to an embodiment of the present application;
fig. 3 is a schematic flowchart of a method for controlling an inverter air conditioner according to another embodiment of the present application;
fig. 4 is a schematic flowchart illustrating a control method of an inverter air conditioner according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an inverter air conditioner control device according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an air conditioner according to an embodiment of the present application.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
First, it should be understood by those skilled in the art that these embodiments are merely illustrative of the present application and are not intended to limit the scope of the present application. And can be adjusted as needed by those skilled in the art to suit particular applications.
The control method of the variable frequency air conditioner is suitable for a refrigerating scene in a low-temperature environment. Referring to fig. 1, fig. 1 is a schematic structural diagram of an inverter air conditioner according to an embodiment of the present application. The inverter air conditioner comprises a storage tank 11, a compressor 12, a condenser 13 and an evaporator 14, wherein a four-way valve 15 is arranged between the compressor 12 and the condenser 13, and an electronic expansion valve 16 is arranged between the condenser 13 and the evaporator 14.
Referring to fig. 1, during refrigeration of the inverter air conditioner, a refrigerant in a storage tank 11 enters a compressor 12, high-temperature high-pressure superheated blow-by gas obtained by compressing the refrigerant by the compressor 12 is discharged from an exhaust port of the compressor 12, the high-temperature high-pressure superheated blow-by gas enters a condenser 13 through a four-way valve 15, the high-temperature high-pressure superheated blow-by gas exchanges heat in the condenser 13, formed hot gas is blown out of an air port through a fan (such as an axial flow fan) of an outdoor unit and enters the outdoor unit, meanwhile, high-temperature high-pressure superheated steam is changed into low-temperature high-pressure liquid, and the low-temperature high-pressure liquid enters. The low-temperature high-pressure liquid is vaporized in the evaporator 14, absorbs a large amount of heat from the room, and is turned into dry saturated vapor again, and the formed cold air is blown out by a fan (such as a cross-flow fan) of the indoor unit and enters the room. The dry saturated vapor finally enters the storage tank 11 through the four-way valve 16, and then enters the compressor from the storage tank 11 to continue the next refrigeration cycle.
The method for controlling the inverter air conditioner provided in the embodiment of the application, when refrigeration is started, the inverter air conditioner is controlled to perform frequency rising according to a preset frequency rising mode, for example, frequency rising is performed according to a frequency rising mode of 1Hz/s, before a target frequency is reached, or within a preset time after a frequency rising starting moment of the inverter air conditioner, in order to optimize oil return, the opening degree of an electronic expansion valve of the inverter air conditioner is controlled to be larger than a preset opening degree, and/or the rotating speed of a fan in an indoor unit of the inverter air conditioner is controlled to be larger than a preset rotating speed, the opening degree of the electronic expansion valve is opened to increase the flow quantity of a refrigerant, increase the return air temperature, increase the coil temperature of the indoor unit by increasing the rotating speed of the fan in the indoor unit, further increase the return air temperature, optimize.
Furthermore, it should be noted that the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the following embodiments, "plurality" means two or more unless specifically limited otherwise.
The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
An embodiment of the application provides a control method for a variable frequency air conditioner, which is used for controlling the variable frequency air conditioner and improving oil return performance. The execution main body of the embodiment is an inverter air conditioner control device, and the device can be arranged in an air conditioner, and specifically can be an inverter air conditioner.
Referring to fig. 2, fig. 2 is a schematic flow chart of a control method of an inverter air conditioner according to the present embodiment, where the method includes:
Specifically, when the variable frequency air conditioner starts to refrigerate, the variable frequency air conditioner can be controlled to increase the frequency according to a preset frequency increasing mode. The preset up-conversion mode may be up-conversion at a preset up-conversion rate. The preset rate can be set according to actual requirements, for example, the preset rate can be 1Hz/s, and can also be set to other rates. Alternatively, the preset frequency-increasing mode may be that the frequency is increased according to the preset frequency-increasing rate, and the oil return frequency is maintained for a time duration, and the time duration may be, for example, 1 min. The oil return frequency is, for example, 38Hz, 58Hz, 88 Hz.
And 102, before the frequency of the variable frequency air conditioner reaches the target frequency or within a preset time length after the frequency rising starting moment of the variable frequency air conditioner, controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be larger than a preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be larger than a preset rotating speed.
Specifically, in the frequency up-conversion process, before the frequency reaches the target frequency, or within a preset time period after the frequency up-conversion starting time of the variable frequency air conditioner, the opening degree of the electronic expansion valve of the variable frequency air conditioner may be controlled to be greater than the preset opening degree, or the rotation speed of the fan in the indoor unit of the variable frequency air conditioner may be controlled to be greater than the preset rotation speed, or the opening degree of the electronic expansion valve of the variable frequency air conditioner may be controlled to be greater than the preset opening degree and the rotation speed of the fan in the indoor unit of the variable frequency air conditioner may be controlled to be greater. The opening of the electronic expansion valve is large, the flow quantity of a refrigerant can be increased, the return air temperature is increased, the temperature of a coil pipe of the indoor unit can be increased by adjusting the rotating speed of a fan in the indoor unit to be large, the return air temperature is further increased, oil return can be optimized, and the oil return performance of the compressor is improved.
The target frequency in this embodiment may be calculated by the inverter air conditioner control device according to the ambient temperature when the inverter air conditioner is turned on.
The preset time duration may be a time duration from the frequency boost to the highest working frequency that the inverter air conditioner can reach in a preset frequency boost mode of the inverter air conditioner.
The preset opening degree may be an opening degree smaller than the maximum opening degree of the electronic expansion valve, and may be specifically set according to actual requirements, for example, the preset opening degree may be m times of the maximum opening degree, and m may be, for example, but is not limited to, any value in the set [ 90% -99% ].
The preset rotation speed may be a rotation speed less than the maximum rotation speed of the fan in the indoor unit, and may be specifically set according to actual requirements, for example, the preset rotation speed may be n times of the maximum rotation speed of the fan in the indoor unit, and n may be, for example, but is not limited to, any value in the set [ 90% to 99% ].
Optionally, controlling the opening degree of an electronic expansion valve of the inverter air conditioner to be greater than a preset opening degree and/or controlling the rotation speed of a fan in an indoor unit of the inverter air conditioner to be greater than a preset rotation speed includes:
and controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be the maximum opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be the maximum rotating speed.
The opening degree of an electronic expansion valve of the variable frequency air conditioner is controlled to be the maximum opening degree, the flow quantity of a refrigerant can be increased as much as possible, the return air temperature is improved, the rotating speed of a fan in an indoor unit of the variable frequency air conditioner is controlled to be the maximum rotating speed, the temperature of a coil pipe of the indoor unit can be improved as much as possible, the return air temperature is improved in a phase-changing manner, and the return air temperature can be effectively improved by combining the opening degree and the rotating speed, so that the performance of.
Optionally, before the frequency of the variable frequency air conditioner reaches the target frequency, or within a preset time period after the frequency rising starting moment of the variable frequency air conditioner, the angle of a first stepping motor of the variable frequency air conditioner can be controlled, so that the vertical pendulum air volume is larger than the first preset air volume, and/or the angle of a second stepping motor of the variable frequency air conditioner is controlled, so that the horizontal pendulum air volume is larger than the second preset air volume. The temperature of the coil pipe of the indoor unit can be increased by adjusting the air quantity of the vertical swing air and the air quantity of the horizontal swing air, namely, the temperature of dry saturated gas in the compressor is relatively increased, and the oil return performance of the compressor can be improved.
Further, after the frequency of the inverter air conditioner reaches the target frequency or the rising frequency starting time of the inverter air conditioner is taken as the starting time and a preset time duration elapses, the angle of the first stepping motor of the inverter air conditioner can be controlled according to the angle control instruction of the first stepping motor input by the user and/or the angle of the second stepping motor of the inverter air conditioner can be controlled according to the angle control instruction of the second stepping motor input by the user.
Optionally, the angle of the first step motor of the control frequency conversion air conditioner to make the vertical pendulum air volume be greater than the first preset air volume, and/or the angle of the second step motor of the control frequency conversion air conditioner to make the horizontal pendulum air volume be greater than the second preset air volume includes:
and/or controlling the angle of a second stepping motor of the variable frequency air conditioner to enable the left and right swinging air volume to be the maximum air volume.
Further, after the frequency of the variable frequency air conditioner reaches the target frequency or the rising frequency starting time of the variable frequency air conditioner is taken as the starting time and a preset time is passed, the opening degree of the electronic expansion valve of the variable frequency air conditioner can be restored to the factory-set opening degree corresponding to the target frequency and/or the rotating speed of the fan can be controlled according to a fan rotating speed control instruction input by a user.
Further, controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be larger than a preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be larger than a preset rotating speed comprises the following steps:
and if the outdoor temperature when the variable frequency air conditioner is started is determined to be less than or equal to the preset temperature, controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be greater than the preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be greater than the preset rotating speed.
That is, when the inverter air conditioner is started, if the outdoor temperature is less than or equal to the preset temperature, the opening degree of the electronic expansion valve of the inverter air conditioner is controlled to be greater than the preset opening degree and/or the rotation speed of the fan in the indoor unit of the inverter air conditioner is controlled to be greater than the preset rotation speed before the frequency of the inverter air conditioner reaches the target frequency or within the preset time length after the frequency rising starting time of the inverter air conditioner. If the outdoor temperature is higher than the preset temperature, the frequency of the variable frequency air conditioner can be directly controlled to be increased according to a preset frequency increasing mode until the target frequency is reached.
The outdoor temperature can be detected by an outer ring temperature sensor of the inverter air conditioner. The preset temperature can be set according to actual requirements, for example, the preset temperature can be 10-15 ℃.
In the variable frequency air conditioner control method provided by this embodiment, in the frequency rising process of the variable frequency air conditioner, the opening degree of the electronic expansion valve of the variable frequency air conditioner is controlled to be greater than the preset opening degree and/or the rotation speed of the fan in the indoor unit of the variable frequency air conditioner is controlled to be greater than the preset rotation speed before the frequency reaches the target frequency or within the preset time after the frequency rising start time of the variable frequency air conditioner, so that the return air temperature can be effectively increased, the return oil is optimized, and the oil return performance of the compressor is improved.
The method provided by the above embodiment is further described in an additional embodiment of the present application.
Referring to fig. 3, fig. 3 is a schematic flow chart of the inverter air conditioner control method provided in this embodiment.
As a practical way, on the basis of the above embodiment, optionally, the method further includes:
and 2011, before the frequency of the variable frequency air conditioner reaches the target frequency or within a preset time length after the rising frequency starting moment of the variable frequency air conditioner, controlling the angle of a first stepping motor of the variable frequency air conditioner so that the vertical swing air volume is larger than the first preset air volume, and/or controlling the angle of a second stepping motor of the variable frequency air conditioner so that the horizontal swing air volume is larger than the second preset air volume.
That is, before the frequency of the inverter air conditioner reaches the target frequency, or within a preset time period after the rising frequency starting time of the inverter air conditioner, on the basis of controlling the opening degree of an electronic expansion valve of the inverter air conditioner to be larger than a preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the inverter air conditioner to be larger than a preset rotating speed, the angle of a first stepping motor of the inverter air conditioner can be controlled, so that the vertical air volume is larger than a first preset air volume, and/or the angle of a second stepping motor of the inverter air conditioner is controlled, so that the horizontal air volume is larger than a second preset air volume. The temperature of the coil pipe of the indoor unit is further improved, and the return air temperature is improved, so that the oil return performance of the compressor is improved.
The first preset air volume may be an air volume smaller than the maximum air volume of the up-down pendulum air, and may be specifically set according to actual requirements, for example, the first preset air volume may be p times of the maximum air volume of the up-down pendulum air, and p may be, for example, but not limited to, any value in a set [ 90% -99% ].
The second preset air volume may be an air volume smaller than the maximum left-right swaying air volume, and may be specifically set according to actual requirements, for example, the second preset air volume may be q times of the maximum left-right swaying air volume, and q may be, for example, but not limited to, any numerical value in the set [ 90% -99% ].
Optionally, the method may further include:
That is to say, after the frequency of the inverter air conditioner reaches the target frequency, or after a preset time duration with the frequency-rising start time of the inverter air conditioner as the start time, the angle of the first stepping motor of the inverter air conditioner may be controlled according to the angle control instruction of the first stepping motor input by the user, the angle of the second stepping motor of the inverter air conditioner may also be controlled according to the angle control instruction of the second stepping motor input by the user, the angle of the first stepping motor of the inverter air conditioner may also be controlled according to the angle control instruction of the first stepping motor input by the user, and the angle of the second stepping motor of the inverter air conditioner may also be controlled according to the angle control instruction of the second stepping motor input by the user.
It can be understood that, before the frequency of the inverter air conditioner reaches the target frequency, or within a preset time period after the rising start time of the inverter air conditioner, the method further includes controlling an angle of a first stepping motor of the inverter air conditioner so that the vertical air volume is greater than a first preset air volume: after the frequency of the variable frequency air conditioner reaches the target frequency or the rising frequency starting moment of the variable frequency air conditioner is taken as the starting moment and after a preset time length, controlling the angle of a first stepping motor of the variable frequency air conditioner according to an angle control instruction of the first stepping motor input by a user.
Before the frequency of the variable frequency air conditioner reaches the target frequency, or within a preset time length after the rising frequency starting moment of the variable frequency air conditioner, the method comprises the step of controlling the angle of a second stepping motor of the variable frequency air conditioner so as to enable the left and right swaying air volume to be larger than the second preset air volume, after the frequency of the variable frequency air conditioner reaches the target frequency, or after the preset time length by taking the rising frequency starting moment of the variable frequency air conditioner as the starting moment, the method further comprises the following steps: and controlling the angle of a second stepping motor of the variable frequency air conditioner according to the angle control instruction of the second stepping motor input by the user.
Before the frequency of the inverter air conditioner reaches the target frequency, or within a preset time after the rising frequency starting moment of the inverter air conditioner, if the angle of the first stepping motor is controlled so that the vertical pendulum air volume is greater than the first preset air volume, and the angle of the second stepping motor is controlled so that the horizontal pendulum air volume is greater than the second preset air volume, after the frequency of the inverter air conditioner reaches the target frequency, or the rising frequency starting moment of the inverter air conditioner is taken as the starting moment, after the preset time, the method further comprises the following steps: and controlling the angle of a first stepping motor of the variable frequency air conditioner according to an angle control instruction of the first stepping motor input by a user, and controlling the angle of a second stepping motor of the variable frequency air conditioner according to an angle control instruction of the second stepping motor input by the user.
The angle control instruction of the first stepping motor and the angle control instruction of the second stepping motor can be input by a user before the variable frequency air conditioner is shut down last time; the angle control instruction of the first stepping motor and the angle control instruction of the second stepping motor can be input by a user before the frequency of the variable frequency air conditioner reaches the target frequency or within a preset time length after the frequency rising starting moment of the variable frequency air conditioner; the angle control instruction of the first stepping motor and the angle control instruction of the second stepping motor can be input by a user when the frequency of the variable frequency air conditioner reaches the target frequency or after a preset time period by taking the frequency-increasing starting time of the variable frequency air conditioner as the starting time. And a user can input the angle control instruction of the first stepping motor and the angle control instruction of the second stepping motor through a remote controller or a variable frequency air conditioner input interface.
The angle of a guide plate of the variable frequency air conditioner can be controlled by controlling the angle of the first stepping motor, so that the aim of adjusting the air volume of the vertical swinging air is fulfilled; the number of the first stepping motors may be one or two. The angle of the swinging blade of the variable frequency air conditioner can be controlled by controlling the angle of the second stepping motor, so that the aim of adjusting the left and right swinging air quantity is fulfilled; the number of the second stepping motors may be one.
Optionally, the angle of the first step motor of the control frequency conversion air conditioner to make the vertical pendulum air volume be greater than the first preset air volume, and/or the angle of the second step motor of the control frequency conversion air conditioner to make the horizontal pendulum air volume be greater than the second preset air volume includes:
and/or controlling the angle of a second stepping motor of the variable frequency air conditioner to enable the left and right swinging air volume to be the maximum air volume.
The air quantity of the vertical swing air is adjusted to the maximum air quantity, and the air quantity of the left swing air and the right swing air is adjusted to the maximum air quantity, so that the temperature of a coil pipe of the indoor unit can be increased as much as possible, and the return air temperature is increased, and the oil return performance of the compressor is effectively improved.
As another practicable manner, on the basis of the foregoing embodiment, optionally, the method further includes:
Before the frequency of the inverter air conditioner reaches the target frequency, or within a preset time after the frequency rising starting moment of the inverter air conditioner, under the condition that the opening degree of an electronic expansion valve of the inverter air conditioner is controlled to be larger than the preset opening degree, the control method of the inverter air conditioner further comprises the following steps: after the frequency of the variable frequency air conditioner reaches the target frequency or the frequency-rising starting time of the variable frequency air conditioner is taken as the starting time, and after a preset time period, the opening degree of an electronic expansion valve of the variable frequency air conditioner is restored to the factory-set opening degree corresponding to the target frequency. Before the frequency of the inverter air conditioner reaches the target frequency, or within a preset time after the frequency rising starting moment of the inverter air conditioner, under the condition that the rotating speed of a fan in an indoor unit of the inverter air conditioner is controlled to be greater than the preset rotating speed, the control method of the inverter air conditioner further comprises the following steps: after the frequency of the variable frequency air conditioner reaches the target frequency or the frequency rising starting moment of the variable frequency air conditioner is taken as the starting moment and after a preset time, controlling the rotating speed of the fan according to a fan rotating speed control instruction input by a user.
The fan rotating speed control instruction can be input by a user before the variable frequency air conditioner is shut down last time, or input by the user before the frequency of the variable frequency air conditioner reaches the target frequency, or input within a preset time after the frequency rising starting time of the variable frequency air conditioner, or input by the user after the preset time by taking the frequency rising starting time of the variable frequency air conditioner as the starting time. A user can input a fan rotating speed control instruction through a remote controller or a variable frequency air conditioner input interface.
As another implementable manner, on the basis of the foregoing embodiment, optionally, controlling the opening degree of the electronic expansion valve of the inverter air conditioner to be greater than a preset opening degree and/or controlling the rotation speed of the fan in the indoor unit of the inverter air conditioner to be greater than a preset rotation speed includes:
and if the outdoor temperature when the variable frequency air conditioner is started is determined to be less than or equal to the preset temperature, controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be greater than the preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be greater than the preset rotating speed.
That is, when the inverter air conditioner is started, if the outdoor temperature is less than or equal to the preset temperature, the opening degree of the electronic expansion valve of the inverter air conditioner is controlled to be greater than the preset opening degree and/or the rotation speed of the fan in the indoor unit of the inverter air conditioner is controlled to be greater than the preset rotation speed before the frequency of the inverter air conditioner reaches the target frequency or within the preset time length after the frequency rising starting time of the inverter air conditioner. If the outdoor temperature is higher than the preset temperature, the frequency of the variable frequency air conditioner can be directly controlled to be increased according to a preset frequency increasing mode until the target frequency is reached.
As another implementable manner, on the basis of the foregoing embodiment, optionally, controlling the opening degree of the electronic expansion valve of the inverter air conditioner to be greater than a preset opening degree and/or controlling the rotation speed of the fan in the indoor unit of the inverter air conditioner to be greater than a preset rotation speed includes:
and controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be the maximum opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be the maximum rotating speed.
The opening degree of an electronic expansion valve of the variable frequency air conditioner is controlled to be the maximum opening degree, the flow quantity of a refrigerant can be increased as much as possible, the return air temperature is improved, the rotating speed of a fan in an indoor unit of the variable frequency air conditioner is controlled to be the maximum rotating speed, the temperature of a coil pipe of the indoor unit can be improved as much as possible, the return air temperature is improved in a phase-changing manner, and the return air temperature can be effectively improved by combining the opening degree and the rotating speed, so that the performance of.
As an exemplary implementation manner, referring to fig. 4, fig. 4 is an exemplary flowchart of the inverter air conditioner control method provided in this embodiment. When the variable frequency air conditioner is started in a refrigerating mode:
1. the outdoor temperature Tw is detected.
2. And judging whether Tw is less than or equal to a preset temperature T0.
3. And if Tw is greater than T0, executing conventional oil return, namely performing frequency rising according to a preset frequency rising mode, and maintaining the oil return frequency for a period of time.
4. If Tw is less than or equal to T0, controlling the electronic expansion valve to be at the maximum opening degree, controlling the fan of the indoor unit to be at the maximum rotating speed, controlling the vertical swing angle of the stepping motor to be the maximum (namely controlling the angle of a first stepping motor of the variable frequency air conditioner so as to enable the vertical swing air volume to be the maximum air volume), controlling the horizontal swing angle of the stepping motor to be vertical (namely controlling the angle of a second stepping motor of the variable frequency air conditioner so as to enable the horizontal swing air volume to be the maximum air volume), until the target frequency is reached, finishing the frequency rising, and recovering the opening degree of the electronic expansion valve, the rotating speed of the fan, the vertical swing angle of the stepping motor and the horizontal swing angle.
It should be noted that the respective implementable modes in the present embodiment may be implemented individually, or may be implemented in combination in any combination without conflict, and the present application is not limited thereto.
In the variable frequency air conditioner control method provided by this embodiment, in the frequency rising process of the variable frequency air conditioner, the opening degree of the electronic expansion valve of the variable frequency air conditioner is controlled to be greater than the preset opening degree and/or the rotation speed of the fan in the indoor unit of the variable frequency air conditioner is controlled to be greater than the preset rotation speed before the frequency reaches the target frequency or within the preset time after the frequency rising start time of the variable frequency air conditioner, so that the return air temperature can be effectively increased, the return oil is optimized, and the oil return performance of the compressor is improved.
The present application further provides an inverter air conditioner control device, configured to execute the method provided in the foregoing embodiment.
Referring to fig. 5, fig. 5 is a schematic structural diagram of the inverter air conditioner control device provided in this embodiment. The inverter air conditioner control device 30 includes a first control module 31 and a second control module 32.
The first control module is used for controlling the variable frequency air conditioner to carry out frequency raising according to a preset frequency raising mode; and the second control module is used for controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be larger than the preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be larger than the preset rotating speed before the frequency of the variable frequency air conditioner reaches the target frequency or within the preset time length after the frequency rising starting moment of the variable frequency air conditioner.
The specific manner in which the respective modules perform operations has been described in detail in relation to the apparatus in this embodiment, and will not be elaborated upon here.
According to the control device of the variable frequency air conditioner provided by the embodiment, in the frequency rising process of the variable frequency air conditioner, the opening degree of the electronic expansion valve of the variable frequency air conditioner is controlled to be larger than the preset opening degree and/or the rotating speed of the fan in the indoor unit of the variable frequency air conditioner is controlled to be larger than the preset rotating speed before the frequency reaches the target frequency or within the preset time after the frequency rising starting moment of the variable frequency air conditioner, so that the return air temperature can be effectively increased, the return oil is optimized, and the oil return performance of the compressor is improved.
The present application further provides a supplementary description of the apparatus provided in the above embodiments.
As a practical way, on the basis of the above embodiment, optionally, the second control module is further configured to:
before the frequency of the variable frequency air conditioner reaches the target frequency or within a preset time length after the frequency rising starting moment of the variable frequency air conditioner, controlling the angle of a first stepping motor of the variable frequency air conditioner so that the vertical swing air volume is larger than the first preset air volume, and/or controlling the angle of a second stepping motor of the variable frequency air conditioner so that the horizontal swing air volume is larger than the second preset air volume.
Optionally, the second control module is further configured to:
after the frequency of the variable frequency air conditioner reaches the target frequency or the rising frequency starting time of the variable frequency air conditioner is taken as the starting time and after a preset time length, controlling the angle of a first stepping motor of the variable frequency air conditioner according to an angle control instruction of the first stepping motor input by a user and/or controlling the angle of a second stepping motor of the variable frequency air conditioner according to an angle control instruction of the second stepping motor input by the user.
Optionally, the second control module is specifically configured to:
and/or controlling the angle of a second stepping motor of the variable frequency air conditioner to enable the left and right swinging air volume to be the maximum air volume.
As another implementable manner, on the basis of the above embodiment, the second control module is further configured to:
after the frequency of the variable frequency air conditioner reaches the target frequency or the frequency rising starting time of the variable frequency air conditioner is taken as the starting time, after a preset time, the opening degree of an electronic expansion valve of the variable frequency air conditioner is restored to the factory-set opening degree corresponding to the target frequency and/or the rotating speed of the fan is controlled according to a fan rotating speed control instruction input by a user.
As another implementable manner, on the basis of the foregoing embodiment, the second control module is specifically configured to:
and if the outdoor temperature when the variable frequency air conditioner is started is determined to be less than or equal to the preset temperature, controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be greater than the preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be greater than the preset rotating speed.
As another implementable manner, on the basis of the foregoing embodiment, the second control module is specifically configured to:
and controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be the maximum opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be the maximum rotating speed.
The specific manner in which the respective modules perform operations has been described in detail in relation to the apparatus in this embodiment, and will not be elaborated upon here.
It should be noted that the respective implementable modes in the present embodiment may be implemented individually, or may be implemented in combination in any combination without conflict, and the present application is not limited thereto.
According to the control device of the variable frequency air conditioner in the embodiment, in the frequency rising process of the variable frequency air conditioner, the opening degree of the electronic expansion valve of the variable frequency air conditioner is controlled to be larger than the preset opening degree and/or the rotating speed of the fan in the indoor unit of the variable frequency air conditioner is controlled to be larger than the preset rotating speed before the frequency reaches the target frequency or within the preset time after the frequency rising starting moment of the variable frequency air conditioner, so that the return air temperature can be effectively increased, the return oil is optimized, and the oil return performance of the compressor is improved.
Yet another embodiment of the present application provides an air conditioner for performing the method provided by the above embodiment.
Referring to fig. 6, fig. 6 is a schematic structural diagram of an air conditioner according to an embodiment. The air conditioner 50 includes: at least one processor 51 and memory 52;
the memory is used for storing computer-executable instructions to cause the at least one processor to execute the computer-executable instructions to implement the methods provided by the above-described embodiments.
According to the air conditioner of the embodiment, in the frequency rising process of the variable frequency air conditioner, the opening degree of the electronic expansion valve of the variable frequency air conditioner is controlled to be larger than the preset opening degree and/or the rotating speed of the fan in the indoor unit of the variable frequency air conditioner is controlled to be larger than the preset rotating speed within the preset time length before the frequency reaches the target frequency or after the frequency rising starting moment of the variable frequency air conditioner, the return air temperature can be effectively improved, the return oil is optimized, and the oil return performance of the compressor is improved.
Yet another embodiment of the present application provides a computer-readable storage medium, in which computer-executable instructions are stored, and when the computer-executable instructions are executed by a processor, the computer-executable instructions are used to implement the method provided in any one of the above embodiments.
According to the computer-readable storage medium of the embodiment, in the frequency rising process of the variable frequency air conditioner, the opening degree of the electronic expansion valve of the variable frequency air conditioner is controlled to be larger than the preset opening degree and/or the rotating speed of the fan in the indoor unit of the variable frequency air conditioner is controlled to be larger than the preset rotating speed within the preset time length before the frequency reaches the target frequency or after the frequency rising starting time of the variable frequency air conditioner, so that the return air temperature can be effectively increased, the return oil is optimized, and the oil return performance of the compressor is improved.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application 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 integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It is obvious to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above described functions. For the specific working process of the device described above, reference may be made to the corresponding process in the foregoing method embodiment, which is not described herein again.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A control method of a variable frequency air conditioner is characterized by comprising the following steps:
controlling the variable frequency air conditioner to carry out frequency rising according to a preset frequency rising mode;
before the frequency of the variable frequency air conditioner reaches a target frequency or within a preset time length after the frequency rising starting moment of the variable frequency air conditioner, controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be larger than a preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be larger than a preset rotating speed.
2. The method of claim 1, further comprising:
before the frequency of the variable frequency air conditioner reaches the target frequency or within a preset time length after the frequency rising starting moment of the variable frequency air conditioner, controlling the angle of a first stepping motor of the variable frequency air conditioner so as to enable the vertical swing air volume to be larger than the first preset air volume, and/or controlling the angle of a second stepping motor of the variable frequency air conditioner so as to enable the horizontal swing air volume to be larger than the second preset air volume.
3. The method of claim 2, further comprising:
after the frequency of the variable frequency air conditioner reaches a target frequency or the rising frequency starting time of the variable frequency air conditioner is taken as the starting time and the preset time duration elapses, controlling the angle of the first stepping motor of the variable frequency air conditioner according to the angle control instruction of the first stepping motor input by the user and/or controlling the angle of the second stepping motor of the variable frequency air conditioner according to the angle control instruction of the second stepping motor input by the user.
4. The method according to claim 2, wherein the controlling the angle of the first stepping motor of the inverter air conditioner to make the up-and-down swing air volume greater than a first preset air volume and/or the controlling the angle of the second stepping motor of the inverter air conditioner to make the left-and-right swing air volume greater than a second preset air volume comprises:
and controlling the angle of a first stepping motor of the variable frequency air conditioner so as to enable the vertical swing air quantity to be the maximum air quantity, and/or controlling the angle of a second stepping motor of the variable frequency air conditioner so as to enable the horizontal swing air quantity to be the maximum air quantity.
5. The method of claim 1, further comprising:
and after the frequency of the variable frequency air conditioner reaches the target frequency or the rising frequency starting time of the variable frequency air conditioner is taken as the starting time, after the preset time, restoring the opening degree of an electronic expansion valve of the variable frequency air conditioner to the factory-set opening degree corresponding to the target frequency and/or controlling the rotating speed of the fan according to a fan rotating speed control instruction input by a user.
6. The method of claim 1, wherein the controlling the opening degree of the electronic expansion valve of the inverter air conditioner to be greater than a preset opening degree and/or controlling the rotation speed of a fan in an indoor unit of the inverter air conditioner to be greater than a preset rotation speed comprises:
and if the outdoor temperature of the variable frequency air conditioner during starting is determined to be less than or equal to the preset temperature, controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be greater than the preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be greater than the preset rotating speed.
7. The method according to any one of claims 1 to 6, wherein the controlling the opening degree of the electronic expansion valve of the inverter air conditioner to be larger than a preset opening degree and/or controlling the rotation speed of a fan in an indoor unit of the inverter air conditioner to be larger than a preset rotation speed comprises:
and controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be the maximum opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be the maximum rotating speed.
8. The utility model provides a variable frequency air conditioner controlling means which characterized in that includes:
the first control module is used for controlling the frequency rising of the variable frequency air conditioner according to a preset frequency rising mode;
and the second control module is used for controlling the opening degree of an electronic expansion valve of the variable frequency air conditioner to be larger than a preset opening degree and/or controlling the rotating speed of a fan in an indoor unit of the variable frequency air conditioner to be larger than a preset rotating speed before the frequency of the variable frequency air conditioner reaches a target frequency or within a preset time length after the frequency rising starting moment of the variable frequency air conditioner.
9. An air conditioner, comprising: at least one processor and memory;
the memory is to store computer-executable instructions to cause the at least one processor to execute the computer-executable instructions to implement the method of any one of claims 1-7.
10. A computer-readable storage medium having computer-executable instructions stored thereon, which when executed by a processor, perform the method of any one of claims 1-7.
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| CN201910777048.6A CN112413837A (en) | 2019-08-22 | 2019-08-22 | Variable frequency air conditioner control method and device, air conditioner and storage medium |
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| CN201910777048.6A CN112413837A (en) | 2019-08-22 | 2019-08-22 | Variable frequency air conditioner control method and device, air conditioner and storage medium |
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