CN113847683B - Cleaning control method and device for air conditioner, processor and air conditioning system - Google Patents
Cleaning control method and device for air conditioner, processor and air conditioning system Download PDFInfo
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- CN113847683B CN113847683B CN202111057051.4A CN202111057051A CN113847683B CN 113847683 B CN113847683 B CN 113847683B CN 202111057051 A CN202111057051 A CN 202111057051A CN 113847683 B CN113847683 B CN 113847683B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 234
- 238000000034 method Methods 0.000 title claims abstract description 102
- 238000004378 air conditioning Methods 0.000 title claims abstract description 13
- 230000005494 condensation Effects 0.000 claims abstract description 149
- 238000009833 condensation Methods 0.000 claims abstract description 149
- 238000010257 thawing Methods 0.000 claims abstract description 113
- 238000005406 washing Methods 0.000 claims abstract description 55
- 230000001954 sterilising effect Effects 0.000 claims abstract description 37
- 230000007423 decrease Effects 0.000 claims description 28
- 238000005057 refrigeration Methods 0.000 claims description 26
- 230000015572 biosynthetic process Effects 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000004659 sterilization and disinfection Methods 0.000 claims description 17
- 238000010926 purge Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 36
- 230000008569 process Effects 0.000 description 27
- 230000006870 function Effects 0.000 description 10
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
- F24F11/64—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
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application provides a cleaning control method, a control device, a processor and an air conditioning system of an air conditioner, wherein the air conditioner comprises a compressor, and the cleaning control method comprises the following steps: determining a current cleaning stage of the air conditioner, wherein the current cleaning stage is the current cleaning stage, and the current cleaning stage is one of the following stages: an inner machine condensation stage, an inner machine frosting stage, an inner machine defrosting and sterilizing stage and an outer machine condensation and frosting stage; acquiring target parameters of a current cleaning stage, controlling the frequency of the compressor according to the target parameters, wherein the frequency of the compressor corresponding to any two cleaning stages is controlled in different modes, and the target parameters at least comprise one of the following parameters: the heat exchanger tube temperature of the indoor side, the heat exchanger tube temperature of the outdoor side and the outdoor side environment temperature. This scheme has guaranteed that each washing stage can both reach better automatically cleaning effect, has still guaranteed that the reliability of compressor is higher to the not good problem of air conditioner automatically cleaning effect among the prior art has been solved.
Description
Technical Field
The application relates to the field of cleaning control of air conditioners, in particular to a cleaning control method and a cleaning control device of an air conditioner, a computer readable storage medium, a processor and an air conditioning system.
Background
With the market expansion of the inverter air conditioner and the concern about the air cleanness, the air conditioner cleaning function gradually becomes one of the requirements of the purchaser for the air conditioner.
For the cleaning function of the existing air conditioner, the control method of the operation frequency of the existing compression only aims at cleaning an indoor heat exchanger or only aims at cleaning an outdoor heat exchanger, and the cleaning method only can clean one side of the air conditioner, but the improvement of the whole cleaning effect of the air conditioner is not obvious. In addition, when the existing air conditioner performs a cleaning function, the selection and judgment conditions of the frequency range of the compressor are too single under different working conditions and different cleaning stages, so that the self-cleaning effect of the inner machine and the outer machine is not obvious, and the cleaning process can also have faults and the like.
Therefore, a method for determining the operating frequency of the compressor according to different working conditions and different washing stages is needed to solve the problem of poor cleaning effect.
The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
Disclosure of Invention
The present application mainly aims to provide a cleaning control method, a control device, a computer-readable storage medium, a processor and an air conditioning system for an air conditioner, so as to solve the problem of poor self-cleaning effect of the air conditioner in the prior art.
In order to achieve the above object, according to an aspect of the present application, there is provided a wash control method of an air conditioner including a compressor, the wash control method including: determining a current cleaning stage of the air conditioner, wherein the current cleaning stage is the current cleaning stage, and the current cleaning stage is one of the following stages: an inner machine condensation stage, an inner machine frosting stage, an inner machine defrosting and sterilizing stage and an outer machine condensation and frosting stage; acquiring target parameters of the current cleaning stage, and controlling the frequency of the compressor according to the target parameters, wherein the frequency of the compressor corresponding to any two cleaning stages is controlled in different ways, and the target parameters at least comprise one of the following parameters: the temperature of the heat exchanger tube on the indoor side, the temperature of the heat exchanger tube on the outdoor side and the ambient temperature on the outdoor side.
Optionally, obtaining a target parameter of the current cleaning stage, and controlling the frequency of the compressor according to the target parameter includes: determining a target frequency operation curve of the compressor according to at least a first target parameter, and controlling the compressor to operate according to the target frequency operation curve, wherein the first target parameter at least comprises one of the following parameters: the indoor-side heat exchanger temperature, the outdoor-side environment temperature, a first target temperature and a second target temperature, wherein the first target temperature is a difference value between the indoor-side heat exchanger temperature and an indoor-machine frosting target temperature, and the second target temperature is a difference value between the outdoor-side heat exchanger temperature and an outdoor-machine dewing frosting target temperature.
Optionally, before determining a target frequency operating curve of the compressor according to at least a first target parameter and controlling the compressor to operate according to the target frequency operating curve, the control method further includes: controlling the compressor to operate in an initial operation curve under the condition that the current cleaning stage is the internal machine condensation stage or the external machine condensation and frost stage; and controlling the compressor to stop operating in the initial operation curve under the condition that the compressor operates in the initial operation curve for the first preset time.
Optionally, when the current cleaning stage is the indoor unit condensation stage, controlling the compressor to operate in an initial operation curve includes: acquiring the outdoor ambient temperature under the condition that the current cleaning stage is the indoor unit condensation stage; determining the initial operation curve according to the outdoor side environment temperature, wherein the initial operation curve is a lower limit frequency curve under the condition that the outdoor side environment temperature is less than a first preset temperature, the initial operation curve is a condensation frequency curve under the condition that the outdoor side environment temperature is less than a second preset temperature and is more than or equal to the first preset temperature, the initial operation curve is a conventional refrigeration frequency curve under the condition that the outdoor side environment temperature is more than or equal to the second preset temperature, and the first preset temperature is less than the second preset temperature; controlling the compressor to operate at an initial operating curve.
Optionally, in a case that the current cleaning stage is an external unit condensation and frost formation stage, controlling the compressor to operate in an initial operation curve includes: and controlling the compressor to operate according to a conventional refrigeration frequency curve.
Optionally, when the current cleaning stage is the indoor unit condensation stage, determining a target frequency operation curve of the compressor at least according to a first target parameter, and controlling the compressor to operate according to the target frequency operation curve, including: under the condition that the initial operation curve is a lower limit frequency curve and the temperature of the heat exchanger tube at the indoor side is in a first preset range, determining that the target frequency operation curve is a current frequency operation curve, and controlling the compressor to operate at the current frequency operation curve; under the condition that the initial operation curve is the lower limit frequency curve and the temperature of the heat exchanger tube on the indoor side is in a second preset range, determining that the target frequency operation curve is a condensation frequency curve, controlling the current frequency of the compressor to rise by a first preset value every second preset time until the current frequency rises to the condensation frequency curve, and controlling the compressor to operate at the condensation frequency curve; under the condition that the initial operation curve is the dew condensation frequency curve and the temperature of the heat exchanger tube on the indoor side is in the first preset range, determining that the target frequency operation curve is the current frequency operation curve, and controlling the compressor to operate at the current frequency operation curve; under the condition that the initial operation curve is the condensation frequency curve and the temperature of the heat exchanger tube on the indoor side is in the second preset range, determining that the target frequency operation curve is the condensation frequency curve, controlling the current frequency of the compressor to rise to the first preset value every third preset time until the current frequency rises to the condensation frequency curve, and controlling the compressor to operate according to the condensation frequency curve; under the condition that the initial operation curve is a conventional refrigeration frequency curve and the temperature of the heat exchanger pipe at the indoor side is in the first preset range, determining that the target frequency operation curve is a current frequency operation curve, and controlling the compressor to operate at the current frequency operation curve; and under the condition that the initial operation curve is the conventional refrigeration frequency curve and the temperature of the heat exchanger tube at the indoor side is in the second preset range, determining that the target frequency operation curve is an upper limit frequency curve, controlling the current frequency of the compressor to rise by the first preset value every fourth preset time until the upper limit frequency curve is reached, and controlling the compressor to operate at the upper limit frequency curve, wherein the maximum value of the first preset range is smaller than the minimum value of the second preset range.
Optionally, when the current cleaning stage is the internal machine frosting stage, determining a target frequency operation curve of the compressor according to at least a first target parameter, and controlling the compressor to operate according to the target frequency operation curve includes: under the condition that the first target temperature is in a third preset range, determining the target frequency operation curve as an upper limit frequency curve, controlling the current frequency of the compressor to directly rise to the upper limit frequency curve, and controlling the compressor to operate with the upper limit frequency curve; under the condition that the first target temperature is within a fourth preset range, determining that the target frequency operation curve is the upper limit frequency curve, controlling the current frequency of the compressor to rise by a second preset value every fifth preset time until the current frequency rises to the upper limit frequency curve, and controlling the compressor to operate by the upper limit frequency curve; under the condition that the first target temperature is within a fifth preset range, determining the target frequency operation curve as a current operation curve, and controlling the compressor to operate according to the current operation curve; under the condition that the first target temperature is in a sixth preset range, determining that the target frequency operation curve is a lower limit frequency curve, controlling the current frequency of the compressor to decrease by a third preset value every fifth preset time until the current frequency of the compressor decreases to the lower limit frequency curve, and controlling the compressor to operate by the lower limit frequency curve; under the condition that the first target temperature is within a seventh preset range, determining that the target frequency operation curve is the lower limit frequency curve, controlling the current frequency of the compressor to decrease by a fourth preset value every fifth preset time until the current frequency of the compressor decreases to the lower limit frequency curve, and controlling the compressor to operate by the lower limit frequency curve; under the condition that the first target temperature is in an eighth preset range, determining that the target frequency operation curve is the lower limit frequency curve, controlling the current frequency of the compressor to be reduced to the lower limit frequency curve, and controlling the compressor to operate at the lower limit frequency curve; wherein a maximum value of the fourth predetermined range is smaller than a minimum value of the third predetermined range, a maximum value of the fifth predetermined range is smaller than a minimum value of the fourth predetermined range, a maximum value of the sixth predetermined range is smaller than a minimum value of the fifth predetermined range, a maximum value of the seventh predetermined range is smaller than a minimum value of the sixth predetermined range, and a maximum value of the eighth predetermined range is smaller than a minimum value of the seventh predetermined range.
Optionally, when the current cleaning stage is the internal defrosting and sterilizing stage, determining a target frequency operation curve of the compressor according to at least a first target parameter, and controlling the compressor to operate according to the target frequency operation curve, includes: determining a defrosting frequency coefficient according to the outdoor side environment temperature, determining that the defrosting frequency coefficient is a first defrosting frequency coefficient when the outdoor side environment temperature is in a ninth predetermined range, determining that the defrosting frequency coefficient is a second defrosting frequency coefficient when the outdoor side environment temperature is in a tenth predetermined range, determining that the defrosting frequency coefficient is a third defrosting frequency coefficient when the outdoor side environment temperature is in an eleventh predetermined range, and determining that the defrosting frequency coefficient is a fourth defrosting frequency coefficient when the outdoor side environment temperature is in a twelfth predetermined range, wherein the maximum value of the ninth predetermined range is smaller than the minimum value of the tenth predetermined range, the maximum value of the tenth predetermined range is smaller than the minimum value of the eleventh predetermined range, the maximum value of the eleventh predetermined range is smaller than the minimum value of the twelfth predetermined range, the first defrosting frequency coefficient is larger than the second defrosting frequency coefficient, the third defrosting frequency coefficient is larger than the third defrosting frequency coefficient, and the fourth defrosting frequency coefficient is equal to the fourth defrosting frequency coefficient; and adjusting a conventional heating frequency curve by adopting the defrosting frequency coefficient to obtain a target frequency curve, and controlling the compressor to operate according to a target frequency operation curve.
Optionally, when the current cleaning stage is the external unit condensation and frost formation stage, determining a target frequency operation curve of the compressor at least according to a first target parameter, and controlling the compressor to operate according to the target frequency operation curve, including: under the condition that the second target temperature is in a thirteenth preset range, determining the target frequency operation curve as an upper limit frequency curve, controlling the current frequency of the compressor to rise to the upper limit frequency curve, and controlling the compressor to operate according to the upper limit frequency curve; under the condition that the second target temperature is in a fourteenth preset range, determining that the target frequency operation curve is the upper limit frequency curve, controlling the current frequency of the compressor to rise by a fifth preset value every sixth preset time until the current frequency rises to the upper limit frequency curve, and controlling the compressor to operate by the upper limit frequency curve; under the condition that the second target temperature is in a fifteenth preset range, determining the target frequency operation curve as a current operation curve, and controlling the compressor to operate according to the current operation curve; under the condition that the second target temperature is within a sixteenth preset range, determining that the target frequency operation curve is a lower limit frequency curve, controlling the current frequency of the compressor to be reduced to a sixth preset value every sixth preset time until the current frequency of the compressor is reduced to the lower limit frequency curve, and controlling the compressor to operate with the lower limit frequency curve; under the condition that the second target temperature is within a seventeenth preset range, determining that the target frequency operation curve is the lower limit frequency curve, controlling the current frequency of the compressor to decrease by a seventh preset value every sixth preset time until the current frequency of the compressor decreases to the lower limit frequency curve, and controlling the compressor to operate by the lower limit frequency curve; in a case that the second target temperature is within an eighteenth predetermined range, determining that the target frequency operation curve is the lower limit frequency curve, controlling the current frequency of the compressor to drop to the lower limit frequency curve, and controlling the compressor to operate at the lower limit frequency curve, wherein a maximum value of the fourteenth predetermined range is less than a minimum value of the thirteenth predetermined range, a maximum value of the fifteenth predetermined range is less than a minimum value of the fourteenth predetermined range, a maximum value of the sixteenth predetermined range is less than a minimum value of the fifteenth predetermined range, a maximum value of the seventeenth predetermined range is less than a minimum value of the sixteenth predetermined range, and a maximum value of the eighteenth predetermined range is less than a minimum value of the seventeenth predetermined range.
Optionally, in a case that the cleaning stage is the indoor unit condensation stage or the indoor unit frost stage, after controlling the compressor to operate according to the target frequency operation curve, the control method further includes: determining whether the tube temperature of the heat exchanger on the indoor side reaches a corresponding nineteenth predetermined range; and under the condition that the corresponding nineteenth preset range is reached, controlling the compressor to maintain the current frequency operation curve and operate for a seventh preset time.
Optionally, in a case that the cleaning stage is the external unit condensation and frost formation stage, after controlling the compressor to operate according to the target frequency operation curve, the control method further includes: determining whether a heat exchanger tube temperature outside the chamber is within a twentieth predetermined range; and in the case of reaching the twentieth preset range, controlling the compressor to maintain the current frequency and operate to the eighth preset time.
Optionally, the control method further includes: determining whether the current cleaning phase reaches an exit condition; and controlling the compressor to exit the current cleaning stage under the condition that the current cleaning stage reaches the exit condition.
According to another aspect of the present application, there is provided a wash control device of an air conditioner including a compressor, the wash control device including: a determining unit, configured to determine a current cleaning stage of the air conditioner, where the current cleaning stage is a current cleaning stage, and the current cleaning stage is one of the following: an inner machine condensation stage, an inner machine frosting stage, an inner machine defrosting and sterilizing stage and an outer machine condensation and frosting stage; an obtaining unit, configured to obtain a target parameter of the current cleaning stage, and control the frequency of the compressor according to the target parameter, where the frequency of the compressor corresponding to any two cleaning stages is controlled in different manners, and the target parameter at least includes one of: the temperature of the heat exchanger tube on the indoor side, the temperature of the heat exchanger tube on the outdoor side and the ambient temperature on the outdoor side.
According to still another aspect of the present application, there is provided a computer-readable storage medium including a stored program, wherein the program executes any one of the control methods.
According to still another aspect of the present application, there is provided a processor for executing a program, wherein the program executes any one of the control methods.
According to an aspect of the present application, there is provided an air conditioning system including an air conditioner, the air conditioning system further including a cleaning control device of the air conditioner, the cleaning control device of the air conditioner being configured to perform any one of the control methods.
According to the technical scheme, in the cleaning method of the air conditioner, the current cleaning stage of the air conditioner is determined, then the target parameters and the target preset conditions of the current cleaning stage are obtained, and the frequency of the compressor is controlled according to the target parameters and the target preset conditions, wherein the frequency of the compressor corresponding to any two cleaning stages is controlled in different modes. The scheme of this application can select the target parameter self-adaptation adjustment current washing stage's that corresponds washing stage operation frequency according to the current washing stage that the air conditioner is located, corresponding target parameter is confirmed according to the washing stage of difference promptly, thereby confirm the frequency of compressor according to target parameter, avoided the frequency of the compressor in the washing stage of difference select with judge the relatively single problem that the condition leads to of condition relatively poor cleaning, guaranteed that each washing stage can both reach better automatically cleaning effect, still guaranteed that the reliability of compressor is higher, realized simultaneously to the interior machine of air conditioner, outer machine whole automatically cleaning, the problem of easy trouble appearing in the cleaning process has been avoided, thereby the not good problem of air conditioner automatically cleaning effect among the prior art has been solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 illustrates a schematic diagram of a wash control method of an air conditioner according to an embodiment of the present application;
FIG. 2 illustrates a schematic diagram of a purge control apparatus of an air conditioner according to an embodiment of the present application;
FIG. 3 illustrates a compressor operating frequency curve according to an embodiment of the present application;
FIG. 4 illustrates a compressor operating frequency curve according to another embodiment of the present application;
FIG. 5 illustrates a flow chart of a compressor frequency control method during the indoor unit condensation phase according to one embodiment of the present application;
FIG. 6 illustrates a flow chart of a compressor frequency control method of an inner frost stage according to an embodiment of the present application;
FIG. 7 illustrates a flow chart of a compressor frequency control method for an internal defrost sterilization stage according to an embodiment of the present application;
fig. 8 shows a flow chart of a compressor frequency control method in an outdoor unit condensation frost formation stage according to an embodiment of the present application.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As described in the background art, the air conditioner in the prior art has a poor self-cleaning effect, and in order to solve the above problems, the present application provides a cleaning control method, a control device, a computer readable storage medium, a processor and an air conditioning system for an air conditioner.
According to an embodiment of the present application, there is provided a washing control method of an air conditioner.
Fig. 1 is a flowchart of a wash control method of an air conditioner according to an embodiment of the present application. As shown in fig. 1, the control method includes the steps of:
step S101, determining a current cleaning stage of the air conditioner, wherein the current cleaning stage is the current cleaning stage, and the current cleaning stage is one of the following stages: an inner machine condensation stage, an inner machine frosting stage, an inner machine defrosting and sterilizing stage and an outer machine condensation and frosting stage;
step S102, obtaining a target parameter of the current cleaning stage, and controlling the frequency of the compressor according to the target parameter, where the frequency of the compressor corresponding to any two cleaning stages is controlled in different manners, and the target parameter at least includes one of the following: the heat exchanger tube temperature of the indoor side, the heat exchanger tube temperature of the outdoor side and the outdoor side environment temperature.
In the method for cleaning the air conditioner, the current cleaning stage of the air conditioner is determined, then a target parameter and a target preset condition of the current cleaning stage are obtained, and the frequency of the compressor is controlled according to the target parameter and the target preset condition, wherein the frequency of the compressor corresponding to any two cleaning stages is controlled in different modes. The scheme of this application can select the target parameter self-adaptation adjustment current washing stage's that corresponds washing stage operation frequency according to the current washing stage that the air conditioner is located, corresponding target parameter is confirmed according to the washing stage of difference promptly, thereby confirm the frequency of compressor according to target parameter, avoided the frequency of the compressor in the washing stage of difference select with judge the relatively single problem that the condition leads to of condition relatively poor cleaning, guaranteed that each washing stage can both reach better automatically cleaning effect, still guaranteed that the reliability of compressor is higher, realized simultaneously to the interior machine of air conditioner, outer machine whole automatically cleaning, the problem of easy trouble appearing in the cleaning process has been avoided, thereby the not good problem of air conditioner automatically cleaning effect among the prior art has been solved.
In the practical application process, the cleaning of the inner unit and the outer unit of the air conditioner is divided into six stages, namely an inner unit condensation stage, an inner unit frosting stage, an inner unit defrosting and sterilizing stage, an outer unit condensation and frosting stage, an outer unit defrosting stage and a self-cleaning function exit stage, wherein the stages related to the frequency control of the compressor comprise an inner unit condensation stage, an inner unit frosting stage, an inner unit defrosting and sterilizing stage and an outer unit condensation and frosting stage.
In an embodiment of the present application, obtaining a target parameter of the current cleaning stage, and controlling a frequency of the compressor according to the target parameter includes: determining a target frequency operation curve of the compressor at least according to a first target parameter, and controlling the compressor to operate according to the target frequency operation curve, wherein the first target parameter at least comprises one of the following parameters: the indoor-side heat exchanger tube temperature, the outdoor-side ambient temperature, a first target temperature and a second target temperature, wherein the first target temperature is a difference value between the indoor-side heat exchanger tube temperature and an indoor-unit frosting target temperature, and the second target temperature is a difference value between the outdoor-side heat exchanger tube temperature and an outdoor-unit dewing and frosting target temperature. In the embodiment, the target frequency curve of the compressor is determined at least according to the first target parameter, so that the target frequency operation curve of the compressor is flexibly adjusted according to the current operation condition of the compressor, the high reliability of the compressor in the operation process is ensured, and the good self-cleaning effect of the air conditioner is further ensured.
In an actual application process, in order to adjust the operating frequency of the compressor according to the obtained heat exchanger tube temperature and ensure that the obtained heat exchanger tube temperature is accurate in the following process, in another embodiment of the present application, before determining a target frequency operating curve of the compressor at least according to a first target parameter and controlling the compressor to operate according to the target frequency operating curve, the method further includes: controlling the compressor to operate in an initial operation curve under the condition that the current cleaning stage is the internal unit condensation stage or the external unit condensation and frost stage; and under the condition that the compressor operates in the initial operation curve for the first preset time, controlling the compressor to stop operating in the initial operation curve.
In another embodiment of the present application, when the current cleaning stage is the indoor unit condensation stage, controlling the compressor to operate according to an initial operation curve includes: acquiring the outdoor ambient temperature when the current cleaning stage is the indoor unit condensation stage, determining the initial operation curve according to the outdoor ambient temperature, wherein the initial operation curve is a lower limit frequency curve when the outdoor ambient temperature is lower than a first predetermined temperature, the initial operation curve is a condensation frequency curve when the outdoor ambient temperature is lower than a second predetermined temperature and is higher than or equal to the first predetermined temperature, the initial operation curve is a normal refrigeration frequency curve when the outdoor ambient temperature is higher than or equal to the second predetermined temperature, and the first predetermined temperature is lower than the second predetermined temperature; and controlling the compressor to operate according to the initial operation curve. In this embodiment, the initial operating curve is determined according to the acquired ambient temperature of the outdoor side, so that it is ensured that the acquired initial operating curve is relatively accurate, and subsequently, after the compressor is controlled to operate for the first predetermined time according to the initial operating curve, it is further ensured that the acquired temperature of the heat exchanger on the indoor side is relatively accurate, and it is further ensured that the operating frequency of the compressor is relatively accurate according to the temperature of the heat exchanger on the indoor side.
In a specific embodiment of the present application, after the air conditioner receives the signals of the self-cleaning functions of the indoor unit and the outdoor unit, and starts to enter the condensation stage of the indoor unit, the air conditioner starts to detect the outdoor ambient temperature, and selects the initial operating curve according to the determination method in the following table one. In addition, in the present application, the difference of the above-described initial operation curve is considered depending on the current environment for the dew condensation effect, the cooling load, and the reliability of the air conditioner. And controlling the compressor to operate for the first predetermined time according to the initial operation curve after determining the initial operation curve according to the outdoor side environment temperature.
Watch 1
In practical application, the first predetermined time may be 4 minutes and 30 seconds, but is not limited to 4 minutes and 30 seconds, and other times are also possible; the first predetermined temperature may be 15 ℃, but is not limited to 15 ℃; the second predetermined temperature may be 30 ℃, but is not limited to 30 ℃.
In order to ensure that the temperature of the heat exchanger on the outdoor side obtained subsequently is accurate, in another implementation of the present application, under the condition that the current cleaning stage is an outdoor unit condensation and frosting stage, the compressor is controlled to operate by an initial operation curve, including: and controlling the compressor to operate according to a conventional refrigeration frequency curve.
In the practical application process, as shown in fig. 3 and 4, the curve trends of the lower limit frequency curve, the dew condensation frequency curve, the conventional refrigeration frequency curve and the conventional heating frequency curve adopted in the present solution are the same as those of the prior art, but in the present solution, the curve frequency values under different working conditions are different from those of the prior art.
In a specific embodiment of the present application, when the current cleaning stage is an external unit condensation and frost formation stage, the compressor frequency is controlled to operate to a conventional refrigeration frequency curve, and the operation lasts for 60 seconds.
In an embodiment of the application, when the current cleaning stage is the indoor unit condensation stage, determining a target frequency operation curve of the compressor according to at least a first target parameter, and controlling the compressor to operate according to the target frequency operation curve includes: under the condition that the initial operation curve is a lower limit frequency curve and the temperature of the heat exchanger tube at the indoor side is in a first preset range, determining the target frequency operation curve as a current frequency operation curve, and controlling the compressor to operate at the current frequency operation curve; when the initial operation curve is the lower limit frequency curve and the temperature of the heat exchanger tube at the indoor side is in a second preset range, determining that the target frequency operation curve is a condensation frequency curve, controlling the current frequency of the compressor to rise by a first preset value at intervals of second preset time until the current frequency rises to the condensation frequency curve, and controlling the compressor to operate at the condensation frequency curve; determining the target frequency operation curve as a current frequency operation curve and controlling the compressor to operate at the current frequency operation curve when the initial operation curve is the dew condensation frequency curve and the temperature of the heat exchanger tube at the indoor side is within the first predetermined range; when the initial operation curve is the dew condensation frequency curve and the temperature of the heat exchanger tube at the indoor side is in the second preset range, determining that the target frequency operation curve is the dew condensation frequency curve, controlling the current frequency of the compressor to increase by the first preset value at intervals of third preset time until the current frequency rises to the dew condensation frequency curve, and controlling the compressor to operate at the dew condensation frequency curve; determining the target frequency operation curve as a current frequency operation curve and controlling the compressor to operate at the current frequency operation curve under the condition that the initial operation curve is a conventional refrigeration frequency curve and the temperature of the heat exchanger tube at the indoor side is in the first preset range; and if the initial operation curve is the normal refrigeration frequency curve and the temperature of the heat exchanger tube at the indoor side is in the second predetermined range, determining that the target frequency operation curve is an upper limit frequency curve, controlling the current frequency of the compressor to rise by the first preset value every fourth predetermined time until the current frequency rises to the upper limit frequency curve, and controlling the compressor to operate on the upper limit frequency curve, wherein the maximum value of the first predetermined range is smaller than the minimum value of the second predetermined range. In the embodiment, the operation frequency of the compressor is adjusted according to the initial operation curve and the temperature of the heat exchanger tube on the indoor side, so that the operation frequency of the compressor is adjusted according to the actual working condition of the operation of the air conditioner, the high reliability of the compressor is further ensured, and the good cleaning effect in the cleaning stage is further ensured.
In a specific embodiment of the present application, in the case of the dewing stage of the indoor unit, after controlling the compressor to operate for 4 minutes and 30 seconds according to the initial operation curve, the indoor measured heat exchanger tube temperature (i.e. T) is measured Inner pipe ) And judging, comparing the tube temperature of the heat exchanger measured indoors with the judged temperature point according to the following table II, and selecting a corresponding frequency control method for frequency adjustment.
Watch two
In order to further ensure the reliability of the compressor and make the cleaning effect of the inner machine frosting stage better, in another implementation of the present application, in the case that the current washing stage is the inner machine dewing stage, determining a target frequency operation curve of the compressor at least according to a first target parameter, and controlling the compressor to operate according to the target frequency operation curve, the method includes: determining the target frequency operation curve as an upper limit frequency curve under the condition that the first target temperature is in a third preset range, controlling the current frequency of the compressor to directly rise to the upper limit frequency curve, and controlling the compressor to operate on the upper limit frequency curve; under the condition that the first target temperature is in a fourth preset range, determining the target frequency operation curve as the upper limit frequency curve, controlling the current frequency of the compressor to rise by a second preset value every fifth preset time until the current frequency rises to the upper limit frequency curve, and controlling the compressor to operate by the upper limit frequency curve; determining the target frequency operation curve as a current operation curve and controlling the compressor to operate according to the current operation curve under the condition that the first target temperature is within a fifth preset range; under the condition that the first target temperature is in a sixth preset range, determining that the target frequency operation curve is a lower limit frequency curve, controlling the current frequency of the compressor to decrease by a third preset value every fifth preset time until the current frequency decreases to the lower limit frequency curve, and controlling the compressor to operate by the lower limit frequency curve; under the condition that the first target temperature is in a seventh preset range, determining that the target frequency operation curve is the lower limit frequency curve, controlling the current frequency of the compressor to decrease by a fourth preset value every fifth preset time until the current frequency of the compressor decreases to the lower limit frequency curve, and controlling the compressor to operate by the lower limit frequency curve; determining the target frequency operation curve as the lower limit frequency curve, controlling the current frequency of the compressor to be reduced to the lower limit frequency curve, and controlling the compressor to operate on the lower limit frequency curve when the first target temperature is within an eighth predetermined range; wherein a maximum value of the fourth predetermined range is smaller than a minimum value of the third predetermined range, a maximum value of the fifth predetermined range is smaller than a minimum value of the fourth predetermined range, a maximum value of the sixth predetermined range is smaller than a minimum value of the fifth predetermined range, a maximum value of the seventh predetermined range is smaller than a minimum value of the sixth predetermined range, and a maximum value of the eighth predetermined range is smaller than a minimum value of the seventh predetermined range.
In a specific embodiment of the present application, after entering the internal machine frosting stage, the compressor runs for 60 seconds at the frequency when entering the internal machine frosting stage, and then the frequency of the compressor in the internal machine frosting stage is adjusted according to the third table below.
Watch III
In another specific embodiment of the present application, the first target temperature is a difference between a tube temperature of the heat exchanger on the indoor side and a target temperature of frost formation in the indoor unit. Of course, in the actual application process, the target internal machine frosting temperature may be-10 ℃, but is not limited to-10 ℃, and specifically, the target internal machine frosting temperature may be adjusted according to the current environment to select a suitable temperature value.
In another embodiment of the present application, when the current cleaning stage is the internal defrosting and sterilizing stage, determining a target frequency operation curve of the compressor according to at least a first target parameter, and controlling the compressor to operate according to the target frequency operation curve includes: determining a defrosting frequency coefficient according to the outdoor side ambient temperature, determining the defrosting frequency coefficient as a first defrosting frequency coefficient when the outdoor side ambient temperature is within a ninth predetermined range, determining the defrosting frequency coefficient as a second defrosting frequency coefficient when the outdoor side ambient temperature is within a tenth predetermined range, determining the defrosting frequency coefficient as a third defrosting frequency coefficient when the outdoor side ambient temperature is within an eleventh predetermined range, and determining the defrosting frequency coefficient as a fourth defrosting frequency coefficient when the outdoor side ambient temperature is within a twelfth predetermined range, wherein the maximum value of the ninth predetermined range is smaller than the minimum value of the tenth predetermined range, the maximum value of the tenth predetermined range is smaller than the minimum value of the eleventh predetermined range, the maximum value of the eleventh predetermined range is smaller than the minimum value of the twelfth predetermined range, the first defrosting frequency coefficient is larger than the second defrosting frequency coefficient, the second defrosting frequency coefficient is larger than the third defrosting frequency coefficient, and the fourth defrosting frequency coefficient is equal to the third defrosting frequency coefficient; and adjusting a conventional heating frequency curve by adopting the defrosting frequency coefficient to obtain a target frequency curve, and controlling the compressor to operate according to an operation curve at the target frequency. In the embodiment, the corresponding defrosting frequency coefficient is determined according to the outdoor side environment temperature, then the defrosting frequency coefficient is adopted to adjust the conventional heating frequency curve, and the compressor is controlled to operate according to the adjusted conventional heating frequency curve, so that better cleaning in the indoor defrosting sterilization stage is further ensured.
In a specific embodiment of the present application, after entering the internal defrosting sterilization stage, the corresponding operating frequency of the compressor can be selected according to the following table four, where T is Outer ring I.e. the outdoor ambient temperature. In addition, the defrosting frequency coefficient is selected to ensure that the defrosting and sterilizing effect of the air conditioner is in the best state under any environment.
Watch four
| Ambient temperature outside the chamber | Operating target frequency |
| T Outer ring ＜14℃ | 1.0 × conventional heating frequency curve |
| 14℃≤T Outer ring ＜20℃ | 0.9 x conventional heating frequency curve |
| 20℃≤T Outer ring ＜24℃ | 0.8 x conventional heating frequency curve |
| 24℃≤T Outer ring | 1.0 × conventional heating frequency curve |
In order to further ensure the reliability of the compressor and make the cleaning effect of the internal machine condensation stage better, in another embodiment of the present application, when the current washing stage is the external machine condensation and frost formation stage, determining a target frequency operation curve of the compressor at least according to a first target parameter, and controlling the compressor to operate according to the target frequency operation curve includes: when the second target temperature is in a thirteenth preset range, determining the target frequency operation curve as an upper limit frequency curve, controlling the current frequency of the compressor to rise to the upper limit frequency curve, and controlling the compressor to operate on the upper limit frequency curve; when the second target temperature is in a fourteenth preset range, determining the target frequency operation curve as the upper limit frequency curve, controlling the current frequency of the compressor to increase by a fifth preset value every sixth preset time until the current frequency of the compressor increases to the upper limit frequency curve, and controlling the compressor to operate by the upper limit frequency curve; determining the target frequency operation curve as a current operation curve and controlling the compressor to operate at the current operation curve when the second target temperature is within a fifteenth predetermined range; when the second target temperature is within a sixteenth predetermined range, determining that the target frequency operation curve is a lower limit frequency curve, controlling the current frequency of the compressor to be reduced to a sixth preset value every sixth predetermined time until the current frequency of the compressor is reduced to the sixth preset value, and controlling the compressor to operate according to the lower limit frequency curve; when the second target temperature is within a seventeenth predetermined range, determining that the target frequency operation curve is the lower limit frequency curve, controlling the current frequency of the compressor to decrease by a seventh preset value every sixth predetermined time until the current frequency of the compressor decreases to the lower limit frequency curve, and controlling the compressor to operate by the lower limit frequency curve; when the second target temperature is within an eighteenth predetermined range, the target frequency operation curve is determined as the lower limit frequency curve, the current frequency of the compressor is controlled to be decreased to the lower limit frequency curve, and the compressor is controlled to operate on the lower limit frequency curve, wherein a maximum value of the fourteenth predetermined range is smaller than a minimum value of the thirteenth predetermined range, a maximum value of the fifteenth predetermined range is smaller than a minimum value of the fourteenth predetermined range, a maximum value of the sixteenth predetermined range is smaller than a minimum value of the fifteenth predetermined range, a maximum value of the seventeenth predetermined range is smaller than a minimum value of the sixteenth predetermined range, and a maximum value of the eighteenth predetermined range is smaller than a minimum value of the seventeenth predetermined range.
In a specific embodiment of the present application, after entering the external unit condensation and frost formation stage, the frequency of the compressor is controlled to operate to the conventional refrigeration frequency curve, and after operating for 60 seconds, the frequency of the compressor is controlled to rise and fall according to the following table five.
Watch five
In an actual application process, the second target temperature is a difference value between the tube temperature of the heat exchanger on the outdoor side and the condensation and frosting target temperature of the outdoor unit, the condensation and frosting target temperature of the outdoor unit can be set to be-15 ℃, but is not limited to-15 ℃, and the condensation and frosting target temperature of the outdoor unit can be selected according to the working conditions of the environment commonly used by a user.
In another embodiment of the present application, in a case that the cleaning stage is the indoor unit condensation stage or the indoor unit frost stage, after controlling the compressor to operate according to the target frequency operation curve, the method further includes: determining whether the temperature of the heat exchanger tube at the indoor side reaches the corresponding nineteenth preset range; and under the condition that the corresponding nineteenth preset range is reached, controlling the compressor to maintain the current frequency operation curve and operate to the seventh preset time, so that the cleaning effect of the cleaning stage can reach an optimal cleaning effect.
In a specific embodiment of the present application, when the cleaning stage is the internal machine condensation stage, after the frequency adjustment is performed by selecting a corresponding frequency control method according to the current indoor heat exchanger tube temperature and the judgment temperature point, it is judged whether the indoor heat exchanger tube temperature after the frequency adjustment reaches the nineteenth predetermined range, and when the indoor heat exchanger tube temperature reaches the nineteenth predetermined range, the compressor is controlled to operate for a seventh predetermined time according to the current frequency operation curve.
In an actual application process, the nineteenth predetermined range may be selected according to an actual operating condition, and the seventh predetermined range may be selected according to an actual operating condition.
In another specific embodiment of the present application, when the cleaning stage is the internal machine frosting stage, the predetermined range of the temperature point is determined according to the difference between the tube temperature of the heat exchanger on the indoor side and the target internal machine frosting temperature until the temperature reaches to T ≦ 2 ℃ ≦ T Inner pipe -T Target inner tube temperature of frosting of inner machine After the temperature is lower than 5 ℃, the running frequency of the compressor reaches a stable value.
In order to ensure that the operating frequency of the compressor can reach a stable value, in an embodiment of the present application, in the case that the cleaning stage is the external unit condensation and frost formation stage, after controlling the compressor to operate according to the target frequency operating curve, the method further includes: determining whether the tube temperature of the heat exchanger outside the chamber reaches a twentieth predetermined range; and under the condition that the current frequency is within the twentieth preset range, controlling the compressor to maintain the current frequency and operating the compressor to the eighth preset time.
In a specific embodiment of the present application, a frequency control method of the compressor is selected according to a difference between the temperature of the heat exchanger tube on the outdoor side and a target outdoor unit condensation and frost formation temperature, and the compressor is controlled to operate at the current frequency for the eighth predetermined time when the temperature of the heat exchanger tube on the outdoor side of the compressor reaches the twentieth predetermined range. Of course, in an actual application process, the twentieth predetermined range may be selected according to an actual operating condition, and the eighth predetermined range may be selected according to an actual operating condition.
In another embodiment of the present application, the control method further includes: determining whether the current cleaning stage reaches an exit condition; and under the condition that the current cleaning stage reaches the exit condition, controlling the compressor to exit the current cleaning stage. In this embodiment, when the current cleaning stage reaches the exit condition, the current cleaning stage exits, which ensures that resources are saved, and a subsequent cleaning stage can be entered, thereby further ensuring that the whole cleaning stage can be completed quickly.
In an actual application process, the exit condition of the indoor unit condensation stage can be that the timing is started from the time point of starting to detect the outdoor side environment temperature, the indoor unit condensation stage is exited after the continuous operation time meets the condensation time, and the indoor unit frosting stage is entered; the exit condition of the inner machine frosting stage can be that the timing is started from entering the inner machine frosting stage, the inner machine frosting stage is exited after the running time meets the frosting time, and the inner machine defrosting sterilization stage is entered; the exit condition of the internal defrosting sterilization stage can be that the timing is started after the time of entering the internal defrosting sterilization stage, the time of operating the internal defrosting sterilization stage meets the maximum defrosting sterilization time, the timing is exited from the internal defrosting stage, the external unit condensation frosting stage is entered, the exit condition of the external unit condensation frosting stage can be that the timing is started after the time of entering the external unit condensation frosting stage, and the time of operating the external unit condensation frosting stage meets the maximum dewing time, the time of exiting from the external unit condensation frosting stage is entered into the external unit defrosting stage.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
The embodiment of the present application further provides a cleaning control device for an air conditioner, and it should be noted that the cleaning control device for an air conditioner in the embodiment of the present application may be used to execute the cleaning control method for an air conditioner provided in the embodiment of the present application. The following describes a cleaning control device for an air conditioner according to an embodiment of the present application.
Fig. 2 is a schematic view of a wash control device of an air conditioner according to an embodiment of the present application. As shown in fig. 2, the apparatus includes:
a first determining unit 10, configured to determine a current cleaning stage of the air conditioner, where the current cleaning stage is a current cleaning stage, and the current cleaning stage is one of the following: an inner machine condensation stage, an inner machine frosting stage, an inner machine defrosting and sterilizing stage and an outer machine condensation and frosting stage;
an obtaining unit 20, configured to obtain a target parameter of the current cleaning stage, and control a frequency of the compressor according to the target parameter, where the frequency of the compressor corresponding to any two cleaning stages is controlled in different manners, and the target parameter at least includes one of: the heat exchanger tube temperature of the indoor side, the heat exchanger tube temperature of the outdoor side and the outdoor side environment temperature.
In the above-mentioned washing control device of an air conditioner, the first determining unit is configured to determine a current washing stage of the air conditioner, where the current washing stage is a current washing stage, and the current washing stage is one of: an inner machine condensation stage, an inner machine frosting stage, an inner machine defrosting and sterilizing stage and an outer machine condensation and frosting stage; the acquiring unit is configured to acquire a target parameter of the current cleaning stage, and control the frequency of the compressor according to the target parameter, where the frequency of the compressor corresponding to any two cleaning stages is controlled in different manners, and the target parameter includes at least one of: the temperature of the heat exchanger tube on the indoor side, the temperature of the heat exchanger tube on the outdoor side and the ambient temperature on the outdoor side. The scheme of this application can select the target parameter self-adaptation adjustment current washing stage's that corresponds washing stage operation frequency according to the current washing stage that the air conditioner is located, corresponding target parameter is confirmed according to the washing stage of difference promptly, thereby confirm the frequency of compressor according to target parameter, avoided the frequency of the compressor in the washing stage of difference select with judge the relatively single problem that the condition leads to of condition relatively poor cleaning, guaranteed that each washing stage can both reach better automatically cleaning effect, still guaranteed that the reliability of compressor is higher, realized simultaneously to the interior machine of air conditioner, outer machine whole automatically cleaning, the problem of easy trouble appearing in the cleaning process has been avoided, thereby the not good problem of air conditioner automatically cleaning effect among the prior art has been solved.
In the practical application process, the cleaning of the inner machine and the outer machine of the air conditioner is divided into six stages which are respectively an inner machine condensation stage, an inner machine frosting stage, an inner machine defrosting and sterilizing stage, an outer machine condensation and frosting stage, an outer machine defrosting stage and a self-cleaning function exit stage, wherein the stages related to the frequency control of the compressor comprise an inner machine condensation stage, an inner machine frosting stage, an inner machine defrosting and sterilizing stage and an outer machine condensation and frosting stage.
In an embodiment of the application, the obtaining unit further includes a first determining module, configured to determine a target frequency operating curve of the compressor according to at least a first target parameter, and control the compressor to operate according to the target frequency operating curve, where the first target parameter at least includes one of: the indoor-side heat exchanger tube temperature, the outdoor-side ambient temperature, a first target temperature and a second target temperature, wherein the first target temperature is a difference value between the indoor-side heat exchanger tube temperature and an indoor-unit frosting target temperature, and the second target temperature is a difference value between the outdoor-side heat exchanger tube temperature and an outdoor-unit dewing and frosting target temperature. In the embodiment, the target frequency curve of the compressor is determined at least according to the first target parameter, so that the target frequency operation curve of the compressor is flexibly adjusted according to the current operation condition of the compressor, the high reliability of the compressor in the operation process is ensured, and the good self-cleaning effect of the air conditioner is further ensured.
In an actual application process, in order to facilitate subsequent adjustment of the operating frequency of the compressor according to the obtained heat exchanger tube temperature and ensure that the obtained heat exchanger tube temperature is relatively accurate, in another embodiment of the present application, a target frequency operating curve of the compressor is determined at least according to a first target parameter, and before the compressor is controlled to operate according to the target frequency operating curve, the apparatus further includes a first control unit and a second control unit, where the first control unit is configured to control the compressor to operate according to an initial operating curve when the current cleaning stage is the internal machine condensation stage or the external machine condensation and frost stage; the second control unit is configured to control the compressor to stop operating in the initial operation curve when the compressor operates in the initial operation curve for a first predetermined time.
In another embodiment of the application, when the current cleaning stage is the indoor unit condensation stage, the first control unit further includes a first obtaining module, a second determining module, and a first control module, where the first obtaining module is configured to obtain the outdoor ambient temperature when the current cleaning stage is the indoor unit condensation stage; the second determining module is configured to determine the initial operation curve based on the outdoor side ambient temperature, where the initial operation curve is a lower limit frequency curve when the outdoor side ambient temperature is lower than a first predetermined temperature, the initial operation curve is a dew condensation frequency curve when the outdoor side ambient temperature is lower than a second predetermined temperature and is equal to or higher than the first predetermined temperature, the initial operation curve is a normal refrigeration frequency curve when the outdoor side ambient temperature is equal to or higher than the second predetermined temperature, and the first predetermined temperature is lower than the second predetermined temperature; the first control module is used for controlling the compressor to operate according to an initial operation curve. In this embodiment, the initial operating curve is determined according to the acquired ambient temperature of the outdoor side, so that it is ensured that the acquired initial operating curve is relatively accurate, and subsequently, after the compressor is controlled to operate for the first predetermined time according to the initial operating curve, it is further ensured that the acquired temperature of the heat exchanger on the indoor side is relatively accurate, and it is further ensured that the operating frequency of the compressor is relatively accurate according to the temperature of the heat exchanger on the indoor side.
In a specific embodiment of the present application, after the air conditioner receives the signals of the self-cleaning functions of the indoor unit and the outdoor unit, and starts to enter the condensation stage of the indoor unit, the air conditioner starts to detect the outdoor ambient temperature, and selects the initial operating curve according to the determination method in the following table one. In addition, in the present application, the difference of the initial operation curve is considered depending on the current environment for the dew condensation effect, the cooling load, and the reliability of the air conditioner. And controlling the compressor to operate for the first predetermined time according to the initial operation curve after determining the initial operation curve according to the outdoor side ambient temperature.
Watch 1
| Ambient temperature outside the chamber | Initial operating curve |
| T Outer ring ＜15℃ | Lower limit frequency curve |
| 15℃≤T Outer ring ＜30℃ | Frequency curve of dew formation |
| 30℃≤T Outer ring | Conventional refrigeration frequency curve |
In practical application, the first predetermined time may be 4 minutes and 30 seconds, but is not limited to 4 minutes and 30 seconds, and other times are also possible; the first predetermined temperature may be 15 ℃, but is not limited to 15 ℃; the second predetermined temperature may be 30 ℃, but is not limited to 30 ℃.
In order to ensure that the subsequently acquired temperature of the heat exchanger on the outdoor side is accurate, in another embodiment of the present application, the first control unit further includes a second control module for controlling the compressor to operate according to a conventional refrigeration frequency curve under the condition that the current cleaning stage is an outdoor unit condensation and frosting stage.
In the practical application process, as shown in fig. 3 and 4, the curve trends of the lower limit frequency curve, the dew condensation frequency curve, the conventional refrigeration frequency curve and the conventional heating frequency curve adopted in the present solution are the same as those of the prior art, but in the present solution, the curve frequency values under different working conditions are different from those of the prior art.
In a specific embodiment of the present application, when the current cleaning stage is an external unit condensation and frost formation stage, the compressor frequency is controlled to operate to a conventional refrigeration frequency curve, and the current cleaning stage is operated for 60 seconds.
In an embodiment of the application, when the current cleaning stage is the internal machine dewing stage, the first determining module further includes a first determining submodule, a second determining submodule, and a third determining submodule, where the first determining submodule is configured to determine that the target frequency operating curve is a current frequency operating curve and control the compressor to operate according to the current frequency operating curve when an initial operating curve is a lower limit frequency curve and a temperature of the heat exchanger tube on the indoor side is within a first predetermined range; when the initial operation curve is the lower limit frequency curve and the temperature of the heat exchanger tube at the indoor side is in a second preset range, determining that the target frequency operation curve is a condensation frequency curve, controlling the current frequency of the compressor to rise by a first preset value at intervals of second preset time until the current frequency rises to the condensation frequency curve, and controlling the compressor to operate at the condensation frequency curve; the second determining submodule is configured to determine that the target frequency operation curve is a current frequency operation curve and control the compressor to operate at the current frequency operation curve, when the initial operation curve is the dew condensation frequency curve and the temperature of the heat exchanger tube on the indoor side is within the first predetermined range; determining the target frequency operation curve as the dew condensation frequency curve and controlling the compressor to operate at the current frequency operation curve when the initial operation curve is the dew condensation frequency curve and the temperature of the heat exchanger tube at the indoor side is in the second predetermined range; controlling the current frequency of the compressor to rise to the first preset value every third preset time until the current frequency rises to the dew condensation frequency curve, and controlling the compressor to operate on the dew condensation frequency curve; the third determining submodule is configured to determine that the target frequency operation curve is a current frequency operation curve when the initial operation curve is a normal refrigeration frequency curve and the temperature of the indoor heat exchanger tube is within the first predetermined range, determine that the target frequency operation curve is an upper limit frequency curve when the initial operation curve is the normal refrigeration frequency curve and the temperature of the indoor heat exchanger tube is within the second predetermined range, control the current frequency of the compressor to increase by the first preset value every fourth predetermined time until the current frequency increases by the upper limit frequency curve, and control the compressor to operate on the upper limit frequency curve, wherein a maximum value of the first predetermined range is smaller than a minimum value of the second predetermined range. In this embodiment, the operating frequency of the compressor is adjusted according to the initial operating curve and the pipe temperature of the heat exchanger on the indoor side, so that the operating frequency of the compressor is adjusted according to the actual operating condition of the air conditioner, the high reliability of the compressor is further ensured, and the good cleaning effect at the cleaning stage is further ensured.
In a specific embodiment of the present application, in the case of the dewing stage of the indoor unit, after controlling the compressor to operate for 4 minutes and 30 seconds according to the initial operation curve, the indoor measured heat exchanger tube temperature (i.e. T) is measured Inner pipe ) And judging, comparing the tube temperature of the heat exchanger measured indoors with the judged temperature point according to the following table II, and selecting a corresponding frequency control method for frequency adjustment.
Watch two
In order to further ensure the reliability of the compressor and make the cleaning effect of the inner machine frost formation stage better, in another embodiment of the present application, in a case that the current washing stage is the inner machine frost formation stage, the first determining module further includes a fourth determining sub-module, a fifth determining sub-module, a sixth determining sub-module, a seventh determining sub-module, an eighth determining sub-module, and a ninth determining sub-module, where the fourth determining sub-module is configured to determine, when the first target temperature is within a third predetermined range, that the target frequency operation curve is an upper limit frequency curve, control the current frequency of the compressor to directly increase to the upper limit frequency curve, and control the compressor to operate with the upper limit frequency curve; the fifth determining submodule is configured to determine that the target frequency operation curve is the upper limit frequency curve when the first target temperature is within a fourth predetermined range, control the current frequency of the compressor to increase by a second predetermined value every fifth predetermined time until the current frequency increases to the upper limit frequency curve, and control the compressor to operate on the upper limit frequency curve; the sixth determining submodule is configured to determine that the target frequency operation curve is a current operation curve and control the compressor to operate according to the current operation curve when the first target temperature is within a fifth predetermined range; the seventh determining submodule is configured to determine that the target frequency operation curve is a lower limit frequency curve when the first target temperature is within a sixth predetermined range, control the current frequency of the compressor to decrease by a third preset value every fifth predetermined time until the current frequency decreases to the lower limit frequency curve, and control the compressor to operate on the lower limit frequency curve; the eighth determining submodule is configured to determine that the target frequency operation curve is the lower limit frequency curve when the first target temperature is within a seventh predetermined range, control the current frequency of the compressor to decrease by a fourth predetermined value every fifth predetermined time until the current frequency decreases to the lower limit frequency curve, and control the compressor to operate on the lower limit frequency curve; the ninth determining submodule is configured to determine that the target frequency operation curve is the lower limit frequency curve, control a current frequency of the compressor to decrease to the lower limit frequency curve, and control the compressor to operate on the lower limit frequency curve when the first target temperature is within an eighth predetermined range; wherein a maximum value of the fourth predetermined range is smaller than a minimum value of the third predetermined range, a maximum value of the fifth predetermined range is smaller than a minimum value of the fourth predetermined range, a maximum value of the sixth predetermined range is smaller than a minimum value of the fifth predetermined range, a maximum value of the seventh predetermined range is smaller than a minimum value of the sixth predetermined range, and a maximum value of the eighth predetermined range is smaller than a minimum value of the seventh predetermined range.
In a specific embodiment of the present application, after entering the internal machine frosting stage, the compressor runs for 60 seconds at the frequency when entering the internal machine frosting stage, and then the frequency of the compressor in the internal machine frosting stage is adjusted according to the third table below.
Watch III
In another specific embodiment of the present application, the first target temperature is a difference between a tube temperature of the heat exchanger on the indoor side and a target temperature of frost formation in the indoor unit. Of course, in the actual application process, the target internal machine frosting temperature may be-10 ℃, but is not limited to-10 ℃, and specifically, the target internal machine frosting temperature may be adjusted according to the current environment to select a suitable temperature value.
In another embodiment of the present application, when the current cleaning stage is the internal defrosting sterilization stage, the first determining module further includes a tenth determining submodule and an adjusting submodule, wherein the tenth determining submodule is configured to determine a defrosting frequency coefficient according to the outdoor-side ambient temperature, determine the defrosting frequency coefficient as a first defrosting frequency coefficient when the outdoor-side ambient temperature is within a ninth predetermined range, determine the defrosting frequency coefficient as a second defrosting frequency coefficient when the outdoor-side ambient temperature is within a tenth predetermined range, determine the defrosting frequency coefficient as a third defrosting frequency coefficient when the outdoor-side ambient temperature is within an eleventh predetermined range, and determine the defrosting frequency coefficient as a fourth defrosting frequency coefficient when the outdoor-side ambient temperature is within a twelfth predetermined range, wherein a maximum value of the ninth predetermined range is smaller than a minimum value of the tenth predetermined range, a maximum value of the tenth predetermined range is smaller than a minimum value of the eleventh predetermined range, a maximum value of the eleventh predetermined range is smaller than a twelfth predetermined range, the twelfth predetermined range is larger than the fourth defrosting frequency coefficient, and the third defrosting frequency coefficient is larger than the fourth defrosting frequency coefficient; the adjusting submodule is used for adjusting a conventional heating frequency curve by adopting the defrosting frequency coefficient to obtain a target frequency curve, and controlling the compressor to operate according to the target frequency operation curve. In the embodiment, the corresponding defrosting frequency coefficient is determined according to the outdoor side environment temperature, then the defrosting frequency coefficient is adopted to adjust the conventional heating frequency curve, and the compressor is controlled to operate according to the adjusted conventional heating frequency curve, so that better cleaning in the indoor defrosting sterilization stage is further ensured.
In a specific embodiment of the present application, upon entryAfter the internal defrosting and sterilizing stage, the corresponding compressor running frequency can be selected according to the following four tables, wherein T Outer ring I.e. the outdoor ambient temperature. In addition, the defrosting frequency coefficient is selected to ensure that the defrosting and sterilizing effect of the air conditioner is in the best state under any environment.
Watch four
| Ambient temperature outside the room | Operating target frequency |
| T Outer ring ＜14℃ | 1.0 × conventional heating frequency curve |
| 14℃≤T Outer ring ＜20℃ | 0.9 x conventional heating frequency curve |
| 20℃≤T Outer ring ＜24℃ | 0.8 x conventional heating frequency curve |
| 24℃≤T Outer ring | 1.0 × conventional heating frequency curve |
In order to further ensure the reliability of the compressor and make the cleaning effect of the condensation stage of the internal machine better, in another embodiment of the present application, when the current washing stage is the condensation and frost stage of the external machine, the first determining module further includes an eleventh determining submodule, a twelfth determining submodule, a thirteenth determining submodule, a fourteenth determining submodule, a fifteenth determining submodule and a sixteenth determining submodule, wherein the eleventh determining submodule is configured to determine that the target frequency operation curve is an upper limit frequency curve when the second target temperature is within a thirteenth predetermined range, control the current frequency of the compressor to rise to the upper limit frequency curve, and control the compressor to operate on the upper limit frequency curve; the twelfth determining submodule is configured to determine that the target frequency operation curve is the upper limit frequency curve when the second target temperature is within a fourteenth predetermined range, control the current frequency of the compressor to increase by a fifth preset value every sixth predetermined time until the current frequency of the compressor increases to the upper limit frequency curve, and control the compressor to operate on the upper limit frequency curve; the thirteenth determining submodule is configured to determine that the target frequency operation curve is a current operation curve and control the compressor to operate according to the current operation curve when the second target temperature is within a fifteenth predetermined range; the fourteenth determining submodule is configured to determine that the target frequency operation curve is a lower limit frequency curve when the second target temperature is within a sixteenth predetermined range, control the current frequency of the compressor to decrease to a sixth preset value every sixth predetermined time until the current frequency decreases to the lower limit frequency curve, and control the compressor to operate on the lower limit frequency curve; the fifteenth determining submodule is configured to determine that the target frequency operation curve is the lower limit frequency curve when the second target temperature is within a seventeenth predetermined range, control the current frequency of the compressor to decrease by a seventh preset value every sixth predetermined time until the current frequency decreases to the lower limit frequency curve, and control the compressor to operate on the lower limit frequency curve; the sixteenth determining submodule is configured to determine that the target frequency operation curve is the lower limit frequency curve, control the current frequency of the compressor to decrease to the lower limit frequency curve, and control the compressor to operate on the lower limit frequency curve when the second target temperature is within an eighteenth predetermined range, wherein a maximum value of the fourteenth predetermined range is smaller than a minimum value of the thirteenth predetermined range, a maximum value of the fifteenth predetermined range is smaller than a minimum value of the fourteenth predetermined range, a maximum value of the sixteenth predetermined range is smaller than a minimum value of the fifteenth predetermined range, a maximum value of the seventeenth predetermined range is smaller than a minimum value of the sixteenth predetermined range, and a maximum value of the eighteenth predetermined range is smaller than a minimum value of the seventeenth predetermined range.
In a specific embodiment of the present application, after entering the external unit condensation and frost formation stage, the frequency of the compressor is controlled to operate to the conventional refrigeration frequency curve, and after operating for 60 seconds, the frequency of the compressor is controlled to rise and fall according to the following table five.
Watch five
In an actual application process, the second target temperature is a difference value between the tube temperature of the heat exchanger on the outdoor side and the condensation and frosting target temperature of the outdoor unit, the condensation and frosting target temperature of the outdoor unit can be set to be-15 ℃, but is not limited to-15 ℃, and the condensation and frosting target temperature of the outdoor unit can be selected according to the working conditions of the environment commonly used by a user.
In one implementation of the present application, in a case that the cleaning stage is the indoor unit condensation stage or the indoor unit frost stage, after controlling the compressor to operate according to the target frequency operation curve, the apparatus further includes a second determining unit and a third controlling unit, where the second determining unit is configured to determine whether a temperature of the heat exchanger tube inside the room is within a nineteenth predetermined range; the third control unit is configured to control the compressor to maintain a current frequency operation curve and operate for a seventh predetermined time when the current frequency operation curve is within the corresponding nineteenth predetermined range.
In a specific embodiment of the present application, when the cleaning stage is the internal machine condensation stage, after the frequency adjustment is performed by selecting a corresponding frequency control method according to the current indoor heat exchanger tube temperature and the judgment temperature point, it is judged whether the indoor heat exchanger tube temperature after the frequency adjustment reaches the nineteenth predetermined range, and when the indoor heat exchanger tube temperature reaches the nineteenth predetermined range, the compressor is controlled to operate for a seventh predetermined time according to the current frequency operation curve.
In an actual application process, the nineteenth predetermined range may be selected according to an actual operating condition, and the seventh predetermined range may be selected according to an actual operating condition.
In another specific embodiment of the present application, in the case that the cleaning stage is the inner unit frosting stage, the predetermined range where the temperature point is located is determined according to the difference between the tube temperature of the heat exchanger on the indoor side and the target frosting temperature of the inner unit until the temperature reaches to 2 ℃ ≦ T Inner pipe -T Target inner tube temperature of frosting of inner machine After the temperature is lower than 5 ℃, the running frequency of the compressor reaches a stable value.
In order to ensure that the operating frequency of the compressor can reach a stable value, in another embodiment of the present invention, in the case that the cleaning stage is the external unit condensation and frost formation stage, after controlling the compressor to operate according to the target frequency operating curve, the apparatus further includes a third determining unit and a fourth controlling unit, wherein the third determining unit is configured to determine whether the temperature of the heat exchanger tube on the outdoor side reaches a twentieth predetermined range; the fourth control unit is used for controlling the compressor to maintain the current frequency and operate to the eighth preset time under the condition that the twenty-second preset range is reached.
In a specific embodiment of the present application, a frequency control method of the compressor is selected according to a difference between the temperature of the heat exchanger tube on the outdoor side and a target outdoor unit condensation and frost formation temperature, and the compressor is controlled to operate at the current frequency for the eighth predetermined time when the temperature of the heat exchanger tube on the outdoor side of the compressor reaches the twentieth predetermined range. Of course, in an actual application process, the twentieth predetermined range may be selected according to an actual operating condition, and the eighth predetermined range may be selected according to an actual operating condition.
In another embodiment of the present application, the control device further includes a fourth determining unit and a fifth control unit, wherein the fourth determining unit is configured to determine whether the current washing stage reaches an exit condition; the fifth control unit is configured to control the compressor to exit the current cleaning stage when the current cleaning stage reaches the exit condition.
In an actual application process, the exit condition of the indoor unit condensation stage can be that the timing is started from the time point of starting to detect the outdoor side environment temperature, the indoor unit condensation stage is exited after the continuous operation time meets the condensation time, and the indoor unit condensation stage is entered; the exit condition of the indoor unit frosting stage can be that the timing is started when the indoor unit frosting stage is entered, the indoor unit frosting stage is exited after the running time meets the frosting time, and the indoor unit defrosting sterilization stage is entered; the exit condition of the inner defrosting sterilization stage can be that the timing is started after the inner defrosting sterilization stage is entered, the time of operation meets the maximum defrosting sterilization time, the timing is exited from the inner defrosting stage, the outer machine dewing and frosting stage is entered, the exit condition of the outer machine dewing and frosting stage can be that the timing is started after the outer machine dewing and frosting stage is entered, the time of operation meets the maximum dewing and frosting time, the outer machine dewing and frosting stage is exited, and the outer machine frosting stage is entered.
In order to make the technical solutions of the present application more clearly understood and more obvious to those skilled in the art, the following description is given with reference to specific embodiments:
example 1
As shown in fig. 3 and 5, acquiring an execution signal for starting the full cleaning function of the inner machine and the outer machine, entering an inner machine condensation stage, starting the air conditioner to detect the outside environment temperature of the room, determining an initial operation curve, after determining the initial operation curve, operating for 4 minutes and 30 seconds according to the initial operation curve, judging the temperature of the heat exchanger tube measured indoors, selecting a corresponding frequency control method to perform frequency adjustment by comparing the current temperature of the heat exchanger tube measured indoors with a judgment temperature point, controlling the compressor to maintain the current frequency curve to operate after the frequency adjustment meets the target inner tube temperature, after operating to a preset time, determining whether an exit condition is reached, if the current exit condition is reached, exiting the current stage, and entering an inner machine frosting stage.
Example 2
As shown in fig. 6, in the indoor unit frosting stage, after the compressor runs for 60 seconds at the frequency when the compressor enters the indoor unit frosting stage, the compressor frequency in the indoor unit frosting stage is adjusted according to the difference value between the current inner pipe temperature and the target inner pipe temperature (namely, the first target temperature), when the frequency adjustment meets the target inner pipe temperature, the compressor is controlled to maintain the current frequency curve running, after the compressor runs for the preset time, whether the exiting condition is reached is determined, if the exiting condition is reached, the compressor exits from the current stage, and the indoor unit defrosting sterilization stage is entered.
Example 3
As shown in fig. 4 and 7, after the internal defrosting sterilization stage is entered, the operating frequency (i.e., the conventional heating frequency curve) of the corresponding compressor is selected according to the outdoor ambient temperature, the corresponding defrosting frequency coefficient is selected according to the outdoor ambient temperature, the conventional heating frequency curve is adjusted by using the defrosting frequency coefficient, a target operating curve is obtained, the compressor is controlled to operate according to the target frequency curve, after the compressor is operated for a predetermined time, whether an exit condition is reached is determined, if the current exit condition is reached, the compressor exits from the current stage, and the outdoor unit condensation and frosting stage is entered.
Example 4
As shown in fig. 8, in the dew condensation and frost formation stage of the external unit, the frequency of the compressor is operated to the frequency of the conventional refrigeration curve, after the operation lasts for 60 seconds, the frequency control method of the compressor is selected according to the difference value between the current outer tube temperature and the target outer tube temperature (i.e., the second target temperature), after the frequency is adjusted to meet the corresponding target outer tube temperature, the compressor is controlled to operate in the current frequency curve, after the operation lasts for a predetermined time, whether the exit condition is met is determined, if the exit condition is met, the current stage is exited, and the defrosting stage of the external unit is entered. Since the external defrosting stage does not involve the frequency control of the compressor, it is not described herein, but does not represent that the external defrosting stage and the self-cleaning function exit stage are not performed.
The cleaning control device of the air conditioner comprises a processor and a memory, wherein the first determining unit, the acquiring unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, and the problem of poor air conditioning self-cleaning effect in the prior art is solved by adjusting the kernel parameters.
The memory may include volatile memory in a computer readable medium, random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
An embodiment of the present invention provides a storage medium having a program stored thereon, the program implementing the above-described washing control method of an air conditioner when being executed by a processor.
The embodiment of the invention provides a processor, which is used for running a program, wherein the program executes a cleaning control method of the air conditioner when running.
The embodiment of the invention also provides an air conditioning system which comprises an air conditioner and a cleaning control device of the air conditioner, wherein the cleaning control device of the air conditioner is used for executing any one of the control methods.
The air conditioner control method comprises the steps that the air conditioner and a cleaning control device of the air conditioner are included, the cleaning control device of the air conditioner can execute any one of the air conditioner control methods, in the air conditioner control method, the running frequency of a compressor in the current cleaning stage can be adaptively adjusted according to the target parameters of the current cleaning stage where the air conditioner is located, namely, the corresponding target parameters are determined according to different cleaning stages, so that the frequency of the compressor is determined according to the target parameters, the problem that the cleaning effect is poor due to the fact that the frequency of the compressor in different cleaning stages is selected and the judgment condition is single is solved, the good self-cleaning effect can be achieved in each cleaning stage, the reliability of the compressor is high, the integral self-cleaning of an inner machine and an outer machine of the air conditioner is achieved, the problem that faults are prone to occur in the cleaning process is solved, and the problem that the self-cleaning effect of the air conditioner in the prior art is poor is solved.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein when the processor executes the program, at least the following steps are realized:
step S101, determining a current cleaning stage of the air conditioner, wherein the current cleaning stage is the current cleaning stage, and the current cleaning stage is one of the following stages: an inner machine condensation stage, an inner machine frosting stage, an inner machine defrosting and sterilizing stage and an outer machine condensation and frosting stage;
step S102, obtaining a target parameter of the current cleaning stage, and controlling the frequency of the compressor according to the target parameter, where the frequency of the compressor corresponding to any two cleaning stages is controlled in different manners, and the target parameter at least includes one of the following: the heat exchanger tube temperature of the indoor side, the heat exchanger tube temperature of the outdoor side and the outdoor side environment temperature.
The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program of initializing at least the following method steps when executed on a data processing device:
step S101, determining a current cleaning stage of the air conditioner, wherein the current cleaning stage is the current cleaning stage, and the current cleaning stage is one of the following stages: an inner machine condensation stage, an inner machine frosting stage, an inner machine defrosting and sterilizing stage and an outer machine condensation and frosting stage;
step S102, obtaining a target parameter of the current cleaning stage, and controlling the frequency of the compressor according to the target parameter, where the frequency of the compressor corresponding to any two cleaning stages is controlled in different manners, and the target parameter at least includes one of the following: the temperature of the heat exchanger tube on the indoor side, the temperature of the heat exchanger tube on the outdoor side and the ambient temperature on the outdoor side.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical 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 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 invention 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, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
1) The method for cleaning the air conditioner comprises the steps of firstly determining the current cleaning stage of the air conditioner, then obtaining a target parameter and a target preset condition of the current cleaning stage, and controlling the frequency of the compressor according to the target parameter and the target preset condition, wherein the frequency of the compressor corresponding to any two cleaning stages is controlled in different modes. The scheme of this application can be according to the current washing stage that the air conditioner located current washing stage select the operating frequency of the compressor of corresponding washing stage of target parameter self-adaptation regulation current washing stage, corresponding target parameter is confirmed according to the washing stage of difference promptly, thereby confirm the frequency of compressor according to target parameter, avoided the problem that the frequency of the compressor in different washing stages is selected and the judgement condition is more single and the cleaning performance is relatively poor that leads to, guaranteed that each washing stage can both reach better automatically cleaning effect, still guaranteed that the reliability of compressor is higher, realized simultaneously to the interior of air conditioner, outer machine whole automatically cleaning, the problem of breaking down easily among the cleaning process has been avoided, thereby the not good problem of air conditioner automatically cleaning performance among the prior art has been solved.
2) In the cleaning control device for an air conditioner of the present application, the first determining unit is configured to determine a current cleaning stage of the air conditioner, where the current cleaning stage is a current cleaning stage, and the current cleaning stage is one of: an inner machine condensation stage, an inner machine frosting stage, an inner machine defrosting and sterilizing stage and an outer machine condensation and frosting stage; the acquiring unit is configured to acquire a target parameter of the current cleaning stage, and control the frequency of the compressor according to the target parameter, where the frequency of the compressor corresponding to any two cleaning stages is controlled in different manners, and the target parameter includes at least one of: the heat exchanger tube temperature of the indoor side, the heat exchanger tube temperature of the outdoor side and the outdoor side environment temperature. The scheme of this application can select the target parameter self-adaptation adjustment current washing stage's that corresponds washing stage operation frequency according to the current washing stage that the air conditioner is located, corresponding target parameter is confirmed according to the washing stage of difference promptly, thereby confirm the frequency of compressor according to target parameter, avoided the frequency of the compressor in the washing stage of difference select with judge the relatively single problem that the condition leads to of condition relatively poor cleaning, guaranteed that each washing stage can both reach better automatically cleaning effect, still guaranteed that the reliability of compressor is higher, realized simultaneously to the interior machine of air conditioner, outer machine whole automatically cleaning, the problem of easy trouble appearing in the cleaning process has been avoided, thereby the not good problem of air conditioner automatically cleaning effect among the prior art has been solved.
3) The air conditioning system comprises the air conditioner and a cleaning control device of the air conditioner, the cleaning control device of the air conditioner can execute any control method of the air conditioner, in the control method of the air conditioner, the target parameters corresponding to the cleaning stage can be selected according to the current cleaning stage where the air conditioner is located, the running frequency of a compressor in the current cleaning stage can be adjusted in a self-adaptive mode, namely, the corresponding target parameters are determined according to different cleaning stages, the frequency of the compressor is determined according to the target parameters, the problem that the cleaning effect is poor due to the fact that the frequency of the compressor in different cleaning stages is selected and the judgment conditions are single is solved, the good self-cleaning effect can be achieved in each cleaning stage, the high reliability of the compressor is guaranteed, the integral self-cleaning of an inner machine and an outer machine of the air conditioner is achieved simultaneously, the problem that faults are prone to occur in the cleaning process is solved, and the problem that the self-cleaning effect of the air conditioner is poor in the prior art is solved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (14)
1. A purge control method of an air conditioner, the air conditioner including a compressor, the purge control method comprising:
determining a current cleaning stage of the air conditioner, wherein the current cleaning stage is the current cleaning stage, and the current cleaning stage is one of the following stages: an inner machine condensation stage, an inner machine frosting stage, an inner machine defrosting and sterilizing stage and an outer machine condensation and frosting stage;
acquiring target parameters of the current cleaning stage, and controlling the frequency of the compressor according to the target parameters, wherein the frequency of the compressor corresponding to any two cleaning stages is controlled in different ways, and the target parameters at least comprise one of the following parameters: the temperature of the heat exchanger tube on the indoor side, the temperature of the heat exchanger tube on the outdoor side and the ambient temperature on the outdoor side;
acquiring a target parameter of the current cleaning stage, and controlling the frequency of the compressor according to the target parameter, wherein the method comprises the following steps:
determining a target frequency operation curve of the compressor according to at least a first target parameter, and controlling the compressor to operate according to the target frequency operation curve, wherein the first target parameter at least comprises one of the following parameters: the indoor side heat exchanger tube temperature, the outdoor side environment temperature, a first target temperature and a second target temperature, wherein the first target temperature is the difference value between the indoor side heat exchanger tube temperature and the indoor machine frosting target temperature, and the second target temperature is the difference value between the outdoor side heat exchanger tube temperature and the outdoor machine dewing and frosting target temperature;
under the condition that the current cleaning stage is the internal machine condensation stage, determining a target frequency operation curve of the compressor at least according to a first target parameter, and controlling the compressor to operate according to the target frequency operation curve, wherein the method comprises the following steps:
under the condition that the initial operation curve is a lower limit frequency curve and the temperature of the heat exchanger tube at the indoor side is in a first preset range, determining that the target frequency operation curve is a current frequency operation curve, and controlling the compressor to operate at the current frequency operation curve; under the condition that the initial operation curve is the lower limit frequency curve and the temperature of the heat exchanger tube on the indoor side is in a second preset range, determining that the target frequency operation curve is a condensation frequency curve, controlling the current frequency of the compressor to rise by a first preset value every second preset time until the current frequency rises to the condensation frequency curve, and controlling the compressor to operate at the condensation frequency curve;
under the condition that the initial operation curve is the dew condensation frequency curve and the temperature of the heat exchanger tube on the indoor side is in the first preset range, determining that the target frequency operation curve is the current frequency operation curve, and controlling the compressor to operate at the current frequency operation curve; under the condition that the initial operation curve is the condensation frequency curve and the temperature of the heat exchanger tube on the indoor side is in the second preset range, determining that the target frequency operation curve is the condensation frequency curve, controlling the current frequency of the compressor to rise to the first preset value every third preset time until the current frequency rises to the condensation frequency curve, and controlling the compressor to operate according to the condensation frequency curve;
under the condition that the initial operation curve is a conventional refrigeration frequency curve and the temperature of the heat exchanger tube at the indoor side is in the first preset range, determining that the target frequency operation curve is a current frequency operation curve, and controlling the compressor to operate at the current frequency operation curve; determining that the target frequency operation curve is an upper limit frequency curve under the condition that the initial operation curve is the conventional refrigeration frequency curve and the temperature of the heat exchanger tube at the indoor side is in the second preset range, controlling the current frequency of the compressor to rise to the first preset value every fourth preset time until the current frequency rises to the upper limit frequency curve, and controlling the compressor to operate at the upper limit frequency curve,
wherein a maximum value of the first predetermined range is less than a minimum value of the second predetermined range.
2. The control method of claim 1, wherein before determining a target frequency operating curve for the compressor based on at least a first target parameter and controlling the compressor to operate according to the target frequency operating curve, the control method further comprises:
controlling the compressor to operate according to an initial operation curve under the condition that the current cleaning stage is the internal unit condensation stage or the external unit condensation and frost stage;
and controlling the compressor to stop operating in the initial operation curve under the condition that the compressor operates in the initial operation curve for the first preset time.
3. The control method according to claim 2, wherein in a case where the current purge stage is the indoor unit condensation stage, controlling the compressor to operate at an initial operation curve includes:
acquiring the outdoor ambient temperature under the condition that the current cleaning stage is the indoor unit condensation stage;
determining the initial operation curve according to the outdoor side environment temperature, wherein the initial operation curve is a lower limit frequency curve under the condition that the outdoor side environment temperature is less than a first preset temperature, the initial operation curve is a condensation frequency curve under the condition that the outdoor side environment temperature is less than a second preset temperature and is more than or equal to the first preset temperature, the initial operation curve is a conventional refrigeration frequency curve under the condition that the outdoor side environment temperature is more than or equal to the second preset temperature, and the first preset temperature is less than the second preset temperature;
controlling the compressor to operate at an initial operating curve.
4. The control method according to claim 2, wherein in the case where the current washing stage is an outdoor unit condensation and frost formation stage, controlling the compressor to operate at an initial operation curve includes:
and controlling the compressor to operate according to a conventional refrigeration frequency curve.
5. The control method according to claim 1, wherein in a case where the current washing stage is the internal machine frosting stage, determining a target frequency operation curve of the compressor based on at least a first target parameter, and controlling the compressor to operate according to the target frequency operation curve includes:
under the condition that the first target temperature is in a third preset range, determining the target frequency operation curve as an upper limit frequency curve, controlling the current frequency of the compressor to directly rise to the upper limit frequency curve, and controlling the compressor to operate with the upper limit frequency curve;
under the condition that the first target temperature is within a fourth preset range, determining that the target frequency operation curve is the upper limit frequency curve, controlling the current frequency of the compressor to rise by a second preset value every fifth preset time until the current frequency rises to the upper limit frequency curve, and controlling the compressor to operate by the upper limit frequency curve;
under the condition that the first target temperature is within a fifth preset range, determining the target frequency operation curve as a current operation curve, and controlling the compressor to operate according to the current operation curve;
under the condition that the first target temperature is within a sixth preset range, determining that the target frequency operation curve is a lower limit frequency curve, controlling the current frequency of the compressor to decrease by a third preset value every fifth preset time until the current frequency of the compressor decreases to the lower limit frequency curve, and controlling the compressor to operate by the lower limit frequency curve;
under the condition that the first target temperature is within a seventh preset range, determining that the target frequency operation curve is the lower limit frequency curve, controlling the current frequency of the compressor to decrease by a fourth preset value every fifth preset time until the current frequency of the compressor decreases to the lower limit frequency curve, and controlling the compressor to operate by the lower limit frequency curve;
under the condition that the first target temperature is in an eighth preset range, determining the target frequency operation curve as the lower limit frequency curve, controlling the current frequency of the compressor to be reduced to the lower limit frequency curve, and controlling the compressor to operate in the lower limit frequency curve;
wherein the maximum value of the fourth predetermined range is smaller than the minimum value of the third predetermined range, the maximum value of the fifth predetermined range is smaller than the minimum value of the fourth predetermined range, the maximum value of the sixth predetermined range is smaller than the minimum value of the fifth predetermined range, the maximum value of the seventh predetermined range is smaller than the minimum value of the sixth predetermined range, and the maximum value of the eighth predetermined range is smaller than the minimum value of the seventh predetermined range.
6. The control method according to claim 1, wherein in a case where the current washing stage is the internal defrosting sterilization stage, determining a target frequency operation curve of the compressor according to at least a first target parameter, and controlling the compressor to operate according to the target frequency operation curve includes:
determining a defrosting frequency coefficient according to the outdoor side environment temperature, determining that the defrosting frequency coefficient is a first defrosting frequency coefficient when the outdoor side environment temperature is in a ninth predetermined range, determining that the defrosting frequency coefficient is a second defrosting frequency coefficient when the outdoor side environment temperature is in a tenth predetermined range, determining that the defrosting frequency coefficient is a third defrosting frequency coefficient when the outdoor side environment temperature is in an eleventh predetermined range, and determining that the defrosting frequency coefficient is a fourth defrosting frequency coefficient when the outdoor side environment temperature is in a twelfth predetermined range, wherein the maximum value of the ninth predetermined range is smaller than the minimum value of the tenth predetermined range, the maximum value of the tenth predetermined range is smaller than the minimum value of the eleventh predetermined range, the maximum value of the eleventh predetermined range is smaller than the minimum value of the twelfth predetermined range, the first defrosting frequency coefficient is larger than the second defrosting frequency coefficient, the third defrosting frequency coefficient is larger than the third defrosting frequency coefficient, and the fourth defrosting frequency coefficient is equal to the fourth defrosting frequency coefficient;
and adjusting a conventional heating frequency curve by adopting the defrosting frequency coefficient to obtain a target frequency curve, and controlling the compressor to operate according to a target frequency operation curve.
7. The control method according to claim 1, wherein in a case where the current cleaning stage is the outdoor unit condensation and frost formation stage, determining a target frequency operation curve of the compressor according to at least a first target parameter, and controlling the compressor to operate according to the target frequency operation curve includes:
under the condition that the second target temperature is in a thirteenth preset range, determining the target frequency operation curve as an upper limit frequency curve, controlling the current frequency of the compressor to rise to the upper limit frequency curve, and controlling the compressor to operate according to the upper limit frequency curve;
when the second target temperature is within a fourteenth preset range, determining that the target frequency operation curve is the upper limit frequency curve, controlling the current frequency of the compressor to rise to a fifth preset value every sixth preset time until the current frequency rises to the upper limit frequency curve, and controlling the compressor to operate according to the upper limit frequency curve;
determining the target frequency operation curve as a current operation curve and controlling the compressor to operate according to the current operation curve when the second target temperature is within a fifteenth predetermined range;
under the condition that the second target temperature is within a sixteenth preset range, determining that the target frequency operation curve is a lower limit frequency curve, controlling the current frequency of the compressor to be reduced to a sixth preset value every sixth preset time until the current frequency of the compressor is reduced to the lower limit frequency curve, and controlling the compressor to operate with the lower limit frequency curve;
under the condition that the second target temperature is within a seventeenth preset range, determining that the target frequency operation curve is the lower limit frequency curve, controlling the current frequency of the compressor to decrease by a seventh preset value every sixth preset time until the current frequency of the compressor decreases to the lower limit frequency curve, and controlling the compressor to operate by the lower limit frequency curve;
determining the target frequency operation curve as the lower limit frequency curve, controlling the current frequency of the compressor to fall to the lower limit frequency curve, and controlling the compressor to operate with the lower limit frequency curve, when the second target temperature is within an eighteenth predetermined range,
wherein the maximum value of the fourteenth predetermined range is less than the minimum value of the thirteenth predetermined range, the maximum value of the fifteenth predetermined range is less than the minimum value of the fourteenth predetermined range, the maximum value of the sixteenth predetermined range is less than the minimum value of the fifteenth predetermined range, the maximum value of the seventeenth predetermined range is less than the minimum value of the sixteenth predetermined range, and the maximum value of the eighteenth predetermined range is less than the minimum value of the seventeenth predetermined range.
8. The control method according to claim 1, wherein in a case where the purge stage is the inner condensation stage or the inner frost stage, after controlling the compressor to operate in accordance with the target frequency operation curve, the control method further comprises:
determining whether the tube temperature of the heat exchanger on the indoor side reaches a corresponding nineteenth predetermined range;
and under the condition that the corresponding nineteenth preset range is reached, controlling the compressor to maintain the current frequency operation curve and operate for a seventh preset time.
9. The control method according to claim 1, wherein in the case where the washing stage is the outdoor unit condensation and frost formation stage, after controlling the compressor to operate according to the target frequency operation curve, the control method further comprises:
determining whether a heat exchanger tube temperature outside the chamber is within a twentieth predetermined range;
and in the case of reaching the twentieth preset range, controlling the compressor to maintain the current frequency and operating the compressor for an eighth preset time.
10. The control method according to claim 8 or 9, characterized by further comprising:
determining whether the current wash stage meets an exit condition;
and under the condition that the current cleaning stage reaches the exit condition, controlling the compressor to exit the current cleaning stage.
11. A washing control apparatus of an air conditioner, characterized in that the air conditioner includes a compressor, the washing control apparatus comprising:
a first determining unit, configured to determine a current washing stage of the air conditioner, where the current washing stage is a current washing stage, and the current washing stage is one of the following: an inner machine condensation stage, an inner machine frosting stage, an inner machine defrosting and sterilizing stage and an outer machine condensation and frosting stage;
an obtaining unit, configured to obtain a target parameter of the current cleaning stage, and control the frequency of the compressor according to the target parameter, where the frequency of the compressor corresponding to any two cleaning stages is controlled in different manners, and the target parameter at least includes one of: the temperature of the heat exchanger tube at the indoor side, the temperature of the heat exchanger tube at the outdoor side and the ambient temperature at the outdoor side;
the obtaining unit further comprises a first determining module, configured to determine a target frequency operating curve of the compressor at least according to a first target parameter, and control the compressor to operate according to the target frequency operating curve, where the first target parameter at least includes one of: the indoor side heat exchanger tube temperature, the outdoor side environment temperature, a first target temperature and a second target temperature, wherein the first target temperature is the difference value between the indoor side heat exchanger tube temperature and the indoor machine frosting target temperature, and the second target temperature is the difference value between the outdoor side heat exchanger tube temperature and the outdoor machine dewing and frosting target temperature;
the first determining module further comprises a first determining submodule, a second determining submodule and a third determining submodule, wherein the first determining submodule is used for determining that the target frequency operation curve is the current frequency operation curve and controlling the compressor to operate at the current frequency operation curve under the condition that the current cleaning stage is the internal machine condensation stage and the initial operation curve is the lower limit frequency curve and the temperature of the heat exchanger tube at the indoor side is within a first preset range; under the condition that the initial operation curve is the lower limit frequency curve and the temperature of the heat exchanger tube on the indoor side is in a second preset range, determining that the target frequency operation curve is a condensation frequency curve, controlling the current frequency of the compressor to increase by a first preset value every second preset time until the current frequency of the compressor increases to the condensation frequency curve, and controlling the compressor to operate according to the condensation frequency curve; the second determining submodule is used for determining that the target frequency operation curve is the current frequency operation curve and controlling the compressor to operate at the current frequency operation curve under the condition that the initial operation curve is the condensation frequency curve and the temperature of the heat exchanger tube on the indoor side is within the first preset range; under the condition that the initial operation curve is the condensation frequency curve and the temperature of the heat exchanger tube on the indoor side is in the second preset range, determining that the target frequency operation curve is the condensation frequency curve, controlling the current frequency of the compressor to rise to the first preset value every third preset time until the current frequency rises to the condensation frequency curve, and controlling the compressor to operate according to the condensation frequency curve; the third determining submodule is used for determining the target frequency operation curve as the current frequency operation curve and controlling the compressor to operate at the current frequency operation curve under the condition that the initial operation curve is a conventional refrigeration frequency curve and the temperature of the heat exchanger tube at the indoor side is in the first preset range; and under the condition that the initial operation curve is the conventional refrigeration frequency curve and the temperature of the heat exchanger pipe at the indoor side is in the second preset range, determining that the target frequency operation curve is an upper limit frequency curve, controlling the current frequency of the compressor to rise to the first preset value every fourth preset time until the current frequency rises to the upper limit frequency curve, and controlling the compressor to operate at the upper limit frequency curve, wherein the maximum value of the first preset range is smaller than the minimum value of the second preset range.
12. A computer-readable storage medium characterized by comprising a stored program, wherein the program executes the control method of any one of claims 1 to 10.
13. A processor, characterized in that the processor is configured to run a program, wherein the program is configured to execute the control method according to any one of claims 1 to 10 when running.
14. An air conditioning system comprising an air conditioner, characterized in that the air conditioning system further comprises a purge control device of the air conditioner for performing the control method of any one of claims 1 to 10.
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| KR0169461B1 (en) * | 1996-09-25 | 1999-02-01 | 김광호 | Airconditioner and its control method |
| CN109469965B (en) * | 2017-09-08 | 2020-10-23 | 奥克斯空调股份有限公司 | Cleaning method of air conditioner |
| CN110848920A (en) * | 2019-11-29 | 2020-02-28 | 广东美的制冷设备有限公司 | Air conditioner and self-cleaning control method and device thereof |
| CN111854045B (en) * | 2020-07-24 | 2021-12-31 | 广东美的暖通设备有限公司 | Self-cleaning method and device of air conditioner, air conditioner and electronic equipment |
| CN111981646B (en) * | 2020-08-12 | 2021-11-09 | Tcl空调器(中山)有限公司 | Cleaning method of air conditioner, air conditioner and readable storage medium |
| CN112254219A (en) * | 2020-10-12 | 2021-01-22 | 海信（山东）空调有限公司 | Self-cleaning control method for indoor unit of air conditioner |
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