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CN110454914A - Clean method, device, air conditioner and the electronic equipment of air conditioner - Google Patents

Clean method, device, air conditioner and the electronic equipment of air conditioner Download PDF

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Publication number
CN110454914A
CN110454914A CN201910716063.XA CN201910716063A CN110454914A CN 110454914 A CN110454914 A CN 110454914A CN 201910716063 A CN201910716063 A CN 201910716063A CN 110454914 A CN110454914 A CN 110454914A
Authority
CN
China
Prior art keywords
heat exchanger
controlling
outdoor heat
air conditioner
rotating speed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910716063.XA
Other languages
Chinese (zh)
Other versions
CN110454914B (en
Inventor
杜顺开
单方坚
陈枫
李丰
吴楠
王侃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea Refrigeration Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201910716063.XA priority Critical patent/CN110454914B/en
Publication of CN110454914A publication Critical patent/CN110454914A/en
Application granted granted Critical
Publication of CN110454914B publication Critical patent/CN110454914B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14Heat exchangers specially adapted for separate outdoor units
    • F24F1/16Arrangement or mounting thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41Defrosting; Preventing freezing
    • F24F11/42Defrosting; Preventing freezing of outdoor units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/87Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
    • F24F11/871Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28GCLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G15/00Details
    • F28G15/003Control arrangements

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Signal Processing (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

This application discloses a kind of clean methods of air conditioner, wherein this method comprises: identification air conditioner receives cleaning instruction;It controls outdoor heat exchanger surface and carries out frosting;Control carries out defrost to outdoor heat exchanger, to be dusted to outdoor heat exchanger.The application can be after identification air conditioner receives cleaning instruction, frosting and defrost are carried out on outdoor heat exchanger surface based on control air conditioner, and then continue after defrost control outdoor heat exchanger in all blowers with different rotating speeds combine carry out antiport, so as to form front wind field, outdoor heat exchanger is dusted, the dust stratification that outdoor heat exchanger surface can be reduced ensure that the heat transfer effect of air conditioner chamber's external heat exchanger, air conditioner allowed to play optimum performance.

Description

Cleaning method and device for air conditioner, air conditioner and electronic equipment
Technical Field
The application relates to the technical field of air conditioners, in particular to a cleaning method and device of an air conditioner, the air conditioner and electronic equipment.
Background
When the outdoor unit of the air conditioner operates, dust can be deposited on the surface of the outdoor heat exchanger, the heat exchange effect of the outdoor heat exchanger can be influenced by untimely cleaning, and even the performance of the air conditioner can be attenuated. Therefore, in order to reduce the occurrence of the similar situation, it is necessary to remove dust from the surface of the outdoor heat exchanger.
Disclosure of Invention
The embodiment of the application provides a cleaning method and device for an air conditioner, the air conditioner and electronic equipment, so that the dust deposition on the surface of an outdoor heat exchanger is reduced, the heat exchange effect of the outdoor heat exchanger of the air conditioner is ensured, and the air conditioner can exert the best performance.
In order to achieve the above object, the present application provides a cleaning method of an air conditioner, comprising the steps of: recognizing that the air conditioner receives a cleaning instruction; controlling the surface of the outdoor heat exchanger to frost; and controlling defrosting of the outdoor heat exchanger so as to remove dust of the outdoor heat exchanger.
In addition, the cleaning method of the air conditioner according to the above embodiment of the present application may further have the following additional technical features:
according to one embodiment of the application, the frosting on the surface of the outdoor heat exchanger is controlled, and the frosting control method comprises the following steps: recognizing that the air conditioner enters a heating mode; and controlling to reduce the temperature of the refrigerant flowing through the outdoor heat exchanger so as to frost the surface of the outdoor heat exchanger.
According to an embodiment of the application, controlling defrosting the outdoor heat exchanger comprises: and controlling the air conditioner to be switched from the heating mode to the cooling mode so as to defrost the outdoor heat exchanger.
According to an embodiment of the present application, the controlling of decreasing the temperature of the refrigerant flowing through the outdoor heat exchanger includes: controlling a fan in the outdoor heat exchanger to stop rotating; and/or, controlling to decrease the opening of the throttling element; and/or controlling the running frequency of the compressor to a set value; and/or controlling an indoor fan in the indoor heat exchanger to continue to operate.
According to an embodiment of the application, after defrosting the outdoor heat exchanger, the method further comprises: and controlling the fan in the outdoor heat exchanger to run reversely.
According to an embodiment of the present application, controlling a fan in the outdoor heat exchanger to run in reverse includes: controlling all fans in the outdoor heat exchanger to form different rotating speed combinations at the same time to perform reverse operation; or controlling all the fans to reversely rotate at the same first rotating speed; or the fan is controlled to gradually increase the rotating speed to the target rotating speed in the process of reverse rotation in sequence.
According to an embodiment of the application, the control forms different speed combinations between the fans at the same moment to carry out reverse operation, including: controlling all fans to reversely rotate at different second rotating speeds for a first time period; and controlling a part of fans and the rest of fans to alternately rotate reversely to a second time period at a third rotating speed which is greater than or equal to a preset rotating speed and a fourth rotating speed which is less than the preset rotating speed in a second time period.
According to an embodiment of the application, after controlling the partial fans and the remaining fans to alternately run in reverse at a third rotation speed greater than or equal to a preset rotation speed and a fourth rotation speed less than the preset rotation speed in a second period, the method further includes: and controlling all fans to reversely rotate at a fifth rotating speed which is greater than or equal to the preset rotating speed.
According to an embodiment of the application, control and form different rotational speed combinations at the same moment and carry out reverse operation between all fans, still include: and controlling part of the fans to reversely rotate at a sixth rotating speed which is greater than or equal to the preset rotating speed, and controlling the rest of the fans to reversely rotate at a seventh rotating speed which is less than the preset rotating speed.
According to an embodiment of the present application, further comprising: and recognizing that the rotating speed of one fan reaches the target rotating speed, and controlling the rotating speed of the one fan to fluctuate according to a preset amplitude.
According to an embodiment of the present application, controlling a reverse operation of a fan in the outdoor heat exchanger includes: and controlling the reverse operation of the fan in the outdoor heat exchanger according to the preset times and/or the preset dedusting time.
In order to achieve the above object, the present application provides a cleaning device of an air conditioner, comprising: the recognition module is used for recognizing that the air conditioner receives a cleaning instruction; and the control module is used for controlling the surface of the outdoor heat exchanger to frost and controlling the outdoor heat exchanger to defrost so as to remove dust of the outdoor heat exchanger.
In addition, the cleaning device of the air conditioner according to the above embodiment of the present application may further have the following additional technical features:
according to an embodiment of the application, the control module is further configured to: controlling the surface of an outdoor heat exchanger to frost, comprising: recognizing that the air conditioner enters a heating mode; and controlling to reduce the temperature of the refrigerant flowing through the outdoor heat exchanger so as to frost the surface of the outdoor heat exchanger.
According to an embodiment of the application, the control module is further configured to: controlling defrosting of the outdoor heat exchanger, comprising: and controlling the air conditioner to be switched from the heating mode to the cooling mode so as to defrost the outdoor heat exchanger.
According to an embodiment of the application, the control module is further configured to: the control of reducing the temperature of the refrigerant flowing through the outdoor heat exchanger comprises the following steps: controlling a fan in the outdoor heat exchanger to stop rotating; and/or, controlling to decrease the opening of the throttling element; and/or controlling the running frequency of the compressor to a set value; and/or controlling an indoor fan in the indoor heat exchanger to continue to operate.
According to an embodiment of the application, the control module is further configured to: after defrosting the outdoor heat exchanger, still include: and controlling the fan in the outdoor heat exchanger to run reversely.
According to an embodiment of the application, the control module is further configured to: controlling a fan in the outdoor heat exchanger to run in reverse, comprising: controlling all fans in the outdoor heat exchanger to form different rotating speed combinations at the same time to perform reverse operation; or controlling all the fans to reversely rotate at the same first rotating speed; or the fan is controlled to gradually increase the rotating speed to the target rotating speed in the process of reverse rotation in sequence.
According to an embodiment of the application, the control module is further configured to: controlling to form different rotating speed combinations between the fans at the same moment to perform reverse operation, and the method comprises the following steps: controlling all fans to reversely rotate at different second rotating speeds for a first time period; and controlling a part of fans and the rest of fans to alternately rotate reversely to a second time period at a third rotating speed which is greater than or equal to a preset rotating speed and a fourth rotating speed which is less than the preset rotating speed in a second time period.
According to an embodiment of the application, the control module is further configured to: after controlling the partial fans and the residual fans to alternately and reversely rotate at a third rotating speed which is greater than or equal to a preset rotating speed and a fourth rotating speed which is less than the preset rotating speed in a second time, the method further comprises the following steps: and controlling all fans to reversely rotate at a fifth rotating speed which is greater than or equal to the preset rotating speed.
According to an embodiment of the application, the control module is further configured to: control and form different rotational speed combinations at the same moment and carry out reverse operation between all fans, still include: and controlling part of the fans to reversely rotate at a sixth rotating speed which is greater than or equal to the preset rotating speed, and controlling the rest of the fans to reversely rotate at a seventh rotating speed which is less than the preset rotating speed.
According to an embodiment of the application, the identification module is further configured to: and recognizing that the rotating speed of one fan reaches the target rotating speed, and controlling the rotating speed of the one fan to fluctuate according to a preset amplitude.
According to an embodiment of the application, the control module is further configured to: controlling the reverse operation of the fan in the outdoor heat exchanger, comprising: and controlling the reverse operation of the fan in the outdoor heat exchanger according to the preset times and/or the preset dedusting time.
In order to achieve the above object, the present application proposes an air conditioner including the cleaning device of the air conditioner described above.
In order to achieve the above object, the present application provides an electronic device, which includes a memory, a processor, and a program stored in the memory and executable on the processor, wherein the processor executes the program to implement the above cleaning method for the air conditioner.
In order to achieve the above object, the present application proposes a computer-readable storage medium having a computer program stored thereon, wherein the program, when executed by a processor, implements any one of the above-mentioned cleaning methods of an air conditioner.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. because can receive clean instruction in this application after discerning the air conditioner, control air conditioner entering dust removal mode to refrigerant in the control air conditioner frosts on outdoor heat exchanger surface, continues to control the air conditioner after the frosting is accomplished and changes frost, utilizes the rivers that form after changing frost, makes the dust of piling up on heat exchanger surface clear away.
2. Because can control the air conditioner in this application and get into the dust removal mode after, based on controlling all fans in the outdoor heat exchanger and carry out reverse operation, remove dust to the outdoor heat exchanger, can reduce the deposition on outdoor heat exchanger surface, guaranteed the heat transfer effect of air conditioner outdoor heat exchanger for the air conditioner can exert best performance.
3. Because means such as can go on operating through control outdoor fan stall, reduction throttling element's aperture, compressor operating frequency and indoor fan in this application, reduce and flow through the temperature of outdoor heat exchanger's refrigerant for the refrigerant can frosting on outdoor heat exchanger surface better, so that can be to cleaing away the dust in the air conditioner after the follow-up defrosting.
4. Because can control all fans in this application and carry out the reversal operation with different rotational speed combinations to can form positive wind field, overcome the poor problem of dust removal effect that exists when the single rotational speed of air conditioner carries out the reversal operation, can enlarge the blow-off area under the effect of wind field, increase the dust removal area promptly, be favorable to improving the dust removal effect of air conditioner.
5. Because can be in this application after the rotational speed of discerning one of them fan reaches the target rotational speed, the rotational speed of controlling one of them fan is undulant according to the predetermined range, and the fluctuation through the rotational speed can further form the wind field, has promoted the dust removal effect of air conditioner.
Drawings
Fig. 1 is a schematic flow chart illustrating a cleaning method of an air conditioner according to an embodiment of the present disclosure;
FIG. 2 is a schematic flow chart illustrating a cleaning method for an air conditioner according to another embodiment of the present disclosure;
fig. 3 is a schematic view of an outdoor unit of an air conditioner according to another embodiment of the present disclosure;
FIG. 4 is a schematic flow chart illustrating a cleaning method for an air conditioner according to another embodiment of the present disclosure;
FIG. 5 is a schematic flow chart illustrating a cleaning method for an air conditioner according to another embodiment of the present disclosure;
fig. 6 is a schematic structural view of a cleaning device of an air conditioner according to an embodiment of the present disclosure;
fig. 7 is a schematic structural view of an air conditioner disclosed in an embodiment of the present application;
fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
For a better understanding of the above technical solutions, exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
The following describes a cleaning method and device of an air conditioner, the air conditioner and an electronic device according to an embodiment of the application with reference to the accompanying drawings.
Fig. 1 is a schematic flow chart illustrating a cleaning method of an air conditioner according to an embodiment of the present disclosure.
As shown in fig. 1, the cleaning method of the air conditioner includes the steps of:
and S101, identifying that the air conditioner receives a cleaning instruction.
As a possible implementation, the dust thickness value and/or the dust weight value of the outdoor heat exchanger surface may be first obtained and then compared with preset values, respectively.
Optionally, if the dust thickness value is greater than or equal to the preset thickness value, a cleaning instruction may be automatically generated to instruct the air conditioner to enter a dust removal mode; and if the dust thickness value is smaller than the preset thickness value, controlling the air conditioner to maintain the current working mode. Wherein, the preset thickness value can be set according to the actual situation.
Alternatively, if the dust weight value is greater than or equal to a preset weight value, a cleaning instruction may be automatically generated to instruct the air conditioner to enter a dust removal mode; and if the dust weight value is less than the preset weight value, controlling the air conditioner to maintain the current working mode. Wherein, the preset weight value can be set according to actual conditions.
Optionally, if the dust thickness value and the dust weight value are both greater than or equal to respective preset values, a cleaning instruction may be automatically generated to instruct the air conditioner to enter a dust removal mode; otherwise, the air conditioner is controlled to maintain the current working mode.
As a possible implementation manner, the accumulated operation time of the outdoor heat exchanger may be first obtained and then compared with a preset time threshold. If the accumulated running time is greater than or equal to the preset time threshold, a cleaning instruction can be automatically generated to indicate the air conditioner to enter a dust removal mode; and if the accumulated running time is less than the preset time threshold, controlling the air conditioner to maintain the current working mode. The preset time threshold value can be set according to actual conditions. For example, the preset duration threshold may be set to 8 hours.
As a possible implementation manner, whether a shutdown instruction for closing the outdoor heat exchanger is received or not can be judged, and if the shutdown instruction for closing the outdoor heat exchanger is received, a cleaning instruction can be automatically generated to instruct the air conditioner to enter a dust removal mode; otherwise, the air conditioner is controlled to maintain the current working mode.
S102, controlling the surface of the outdoor heat exchanger to frost.
When the frosting on the surface of the outdoor heat exchanger is attempted to be controlled, it needs to be determined whether the current operation mode of the air conditioner is the heating mode. If the current working mode of the air conditioner is a heating mode, the current working mode of the air conditioner is maintained to be operated; and switching the current working mode of the air conditioner to the heating mode for operation if the current working mode of the air conditioner is not the heating mode.
When the air conditioner heats, the outdoor heat exchanger absorbs heat from outdoor air, and the outdoor heat exchanger operates at a low temperature, so that water vapor in the air is gradually condensed into frost.
In the application, after the air conditioner operates in the heating mode, the operation parameters of the air conditioner can be adjusted, so that the frosting phenomenon appears on the surface of the outdoor heat exchanger. In general, the lower the temperature of the refrigerant, the more frost is formed on the outdoor heat exchanger, and thus, the frost formation on the surface of the outdoor heat exchanger can be accelerated by reducing the temperature of the refrigerant flowing through the outdoor heat exchanger.
S103, controlling the outdoor heat exchanger to defrost so as to remove dust of the outdoor heat exchanger.
It should be noted that, when the defrosting of the outdoor heat exchanger is attempted to be controlled, the operation mode of the air conditioner needs to be switched from the heating mode to the cooling mode, and then the air conditioner is controlled to enter the cooling operation mode, so as to increase the temperature of the outdoor heat exchanger, so that the frost on the surface of the outdoor heat exchanger can be melted, and the dust accumulated on the surface of the heat exchanger can be removed by using the water flow formed after the defrosting.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
1. because can receive clean instruction in this application after discerning the air conditioner, control air conditioner entering dust removal mode to refrigerant in the control air conditioner frosts on outdoor heat exchanger surface, continues to control the air conditioner after the frosting is accomplished and changes frost, utilizes the rivers that form after changing frost, makes the dust of piling up on heat exchanger surface clear away.
The factors that can reduce the temperature of the refrigerant include: an operation mode of a fan in the outdoor heat exchanger, an opening degree of the throttling element, an operation frequency of the compressor, and an operation mode of an indoor fan in the indoor heat exchanger. The outdoor unit is controlled to be powered off, so that water can be conveniently drained from the outdoor unit, and frosting is facilitated; the opening degree of the throttling element is reduced, so that the temperature of the throttled refrigerant can be reduced, and frosting is facilitated; the running frequency of the compressor is controlled to a set value, so that frosting is facilitated; the indoor fan in the indoor heat exchanger is controlled to continue to operate, the heat of the refrigerant is reduced through blowing, namely, the temperature of the refrigerant is reduced, and frosting is facilitated.
Therefore, the cleaning method of the air conditioner comprehensively considers the factor capable of reducing the temperature of the refrigerant, and greatly improves the dust removal effect of the air conditioner.
In the present application, when the refrigerant temperature is decreased, one of the above operations may be performed, or a combination of the above operations may be performed.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
because means such as can go on operating through control outdoor fan stall, reduction throttling element's aperture, compressor operating frequency and indoor fan in this application, reduce and flow through the temperature of outdoor heat exchanger's refrigerant for the refrigerant can frosting on outdoor heat exchanger surface better, so that can be to cleaing away the dust in the air conditioner after the follow-up defrosting.
Further, after defrosting the outdoor heat exchanger, all fans in the outdoor heat exchanger can be controlled to run reversely at different rotating speed combinations at the same time to form a front wind field, and dust or frosted water in the outdoor heat exchanger is blown away through the wind field. Specifically, all fans in the outdoor heat exchanger can be controlled to run reversely to remove dust from the outdoor heat exchanger; wherein, the number of fans in the outdoor heat exchanger is more than 1.
It should be noted that, as shown in fig. 3, the outdoor heat exchanger of the air conditioner is provided with a counter-rotating wind wheel, i.e. a primary wind wheel and a secondary wind wheel, and after the fan corresponding to the wind wheel is turned on, the counter-rotating wind wheel can rotate to supply air to the outside for removing dust.
Specifically, at least two fans in the outdoor heat exchanger can be controlled to run reversely to form a front wind field, and then dust on the surface of the outdoor heat exchanger is blown away through the wind field.
As a possible implementation, all fans may be controlled to run in reverse at the same first rotational speed. The first rotation speed may be a value greater than a preset rotation speed, or a value less than the preset rotation speed, that is, the first rotation speed may be an ultrahigh rotation speed, or a low rotation speed or a normal rotation speed. Wherein, the first rotating speed can be set according to the actual situation. For example, the first rotation speed may be set to 1100 rpm. For example, all fans may be controlled to run in reverse at 1100 rpm.
As another possible implementation manner, in order to form a front wind field, all the fans may be controlled to perform reverse operation at different rotation speed combinations in the present application. Alternatively, all the fans can be controlled to form different rotating speed combinations at the same time to perform reverse operation. For example, one fan may be controlled to run in reverse at a speed, while the other fan may be controlled to run in reverse at B speed, where a and B have different values.
As another possible implementation manner, the fan may be sequentially controlled to gradually increase the rotation speed to the target rotation speed in the process of reverse rotation. For example, the target rotation speed may be preset to be the C rotation speed, and the fan 1 may be controlled to continuously increase the rotation speed to the C rotation speed, and then the other fan 2 may be controlled to continuously increase the rotation speed to the C rotation speed. Optionally, the rotation speed may be increased in stages, that is, the fan 1 is controlled to increase the rotation speed to a rotation speed, the fan 2 is controlled to increase the rotation speed to a rotation speed, the fan 1 is controlled to increase the rotation speed from a rotation speed to B rotation speed, the fan 2 is controlled to increase the rotation speed from a rotation speed to B rotation speed, and the above control process is repeated until the two fans sequentially increase the rotation speeds to the target rotation speed C. Wherein, the rotating speed of A is less than the rotating speed of B, and the values of A and B are both less than the value of C.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
1. because can control the air conditioner in this application and get into the dust removal mode after, based on controlling all fans in the outdoor heat exchanger and carry out reverse operation, remove dust to the outdoor heat exchanger, can reduce the deposition on outdoor heat exchanger surface, guaranteed the heat transfer effect of air conditioner outdoor heat exchanger for the air conditioner can exert best performance.
The process of controlling all fans to form different rotating speed combinations at the same time to perform reverse operation specifically comprises the following steps as shown in fig. 4:
s301, controlling all the fans to reversely rotate at different second rotating speeds for a first time period.
Specifically, the second rotation speed of each fan may be preset, and the second rotation speed of each fan may be sequentially marked. For example, W may be preset and marked1,W2,W3,~Wn. Wherein, WnThe second rotating speed of the nth fan is different from the second rotating speed of all the fans.
It should be noted that, in general, the second rotation speed is an ultrahigh rotation speed or a normal rotation speed, and a higher rotation speed provides a larger blowing capacity, so as to take away dust.
Further, all the n fans can be controlled to rotate reversely from the same time to the first time length at the preset second rotating speed. The first duration can be set according to actual conditions. For example, the first time period may be set to any one of 5 to 10 min. Wherein, the number n of the fans can be set according to the actual situation. For example, n may be set to 2. For another example, n may be set to 4.
For example, when the air conditioner has 2 fans, the second rotation speed of the first fan may be set to 650rpm, the second rotation speed of the second fan may be set to 1500rpm, and the first time period may be 10 min. Further, all 2 fans can be controlled to operate in reverse for 10min from the same moment at the respective preset second rotating speed.
S302, controlling a part of fans and the rest of fans to alternately rotate reversely to a second time period at a third rotating speed which is greater than or equal to the preset rotating speed and a fourth rotating speed which is less than the preset rotating speed.
Specifically, a third rotational speed greater than or equal to a preset rotational speed and a fourth rotational speed less than the preset rotational speed may be set in advance. The preset rotating speed is a critical value between the ultrahigh rotating speed and the normal rotating speed, and can be set according to actual conditions. For example, the preset rotation speed may be set to 1000 rpm.
Further, it is possible to first control part of the fans to be operated in reverse at the third rotation speed for a third period of time, and control the remaining fans to be operated in reverse at the fourth rotation speed for the third period of time from the same time. Wherein the third duration may be set to any duration less than the second duration. For example, when the second time period is 12min, the third time period may be set to 7 min.
Further, after all the fans are operated for the third time period, the remaining fans may be controlled to be operated in the reverse direction at the third rotation speed for the fourth time period, and some of the fans may be controlled to be operated in the reverse direction at the fourth rotation speed for the fourth time period from the same time. Wherein the fourth duration is a difference between the second duration and the third duration. For example, when the second time period is 12min and the third time period is 7min, the fourth time period is 5 min.
For example, when the air conditioner has 2 fans in total, the preset rotation speed is 1000rpm, and the second duration is 12min, the third rotation speed may be set to 1500rpm, and the fourth rotation speed may be set to 800rpm in advance. Further, the first fan may be controlled to perform reverse operation at 1500rpm for 7min, and the second fan may be controlled to perform reverse operation at 800rpm for 7min from the same time. After the reverse operation is carried out for 7min, the second fan can be controlled to carry out the reverse operation at 1500rpm for 5min, and the first fan can be controlled to carry out the reverse operation at 800rpm for 5min from the same moment.
And S303, controlling all fans to reversely rotate at a fifth rotating speed which is greater than or equal to the preset rotating speed.
Specifically, after all the fans are alternately operated reversely at a third rotation speed greater than or equal to the preset rotation speed and a fourth rotation speed less than the preset rotation speed for a second period, all the fans can be controlled to be operated reversely at a fifth rotation speed for a fifth period. The fifth rotating speed can be set to be greater than or equal to the preset rotating speed according to the actual condition, or can be set to be less than the preset rotating speed, and the fifth time length can be set according to the actual condition.
For example, when the fifth rotation speed is 1200rpm and the fifth time period is 6min, after all the fans are operated to the second time period, all the fans may be controlled to perform reverse operation at 1200rpm for 6 min.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
because can control all fans in this application and carry out the reversal operation with different rotational speed combinations to can form positive wind field, overcome the poor problem of dust removal effect that exists when the single rotational speed of air conditioner carries out the reversal operation, can enlarge the blow-off area under the effect of wind field, increase the dust removal area promptly, be favorable to improving the dust removal effect of air conditioner.
It should be noted that, in this application, when controlling all fans in the outdoor heat exchanger to run in reverse, can also control some fans to run in reverse with the sixth rotational speed all the time, control remaining fan to continue to run in reverse with the seventh rotational speed all the time simultaneously for some fans and remaining fan still keep different rotational speeds at the same moment. The sixth rotation speed may be a value greater than or equal to the preset rotation speed, and the seventh rotation speed may be a value less than the preset rotation speed.
For example, when the air conditioner has 2 fans and the preset rotation speed is 1000rpm, the sixth rotation speed may be 1300rpm and the seventh rotation speed is 900 rpm. Further, the first fan may be controlled to always perform reverse operation at 1300rpm, and the second fan may be controlled to always perform reverse operation at 900rpm from the same time.
It should be noted that, when all the fans are controlled to form different rotation speed combinations at the same time to perform reverse operation in the present application, specific rotation speeds or lengths of time for which the fans operate at the same rotation speed are not limited, and may be set according to actual needs.
Optionally, when all the fans are controlled to run reversely at different rotation speed combinations at the same time in the application, part of the fans can be controlled to stop running, and the rest of the fans are controlled to run reversely or part of the fans are controlled to stop running, and the rest of the fans are controlled to form different rotation speed combinations to run reversely.
Furthermore, after the fans are controlled in sequence to gradually increase the rotating speed to the target rotating speed in the process of reverse rotation, the rotating speeds of all the fans can be detected in real time, and after the rotating speed of one of the fans is recognized to reach the target rotating speed, the rotating speed of one of the fans is controlled to fluctuate according to a preset amplitude, so that different front wind fields are formed, and the dust removal effect of the air conditioner is further improved. The preset amplitude can be set according to the actual situation. For example, the preset amplitude may be set to 200 rpm.
Further, when the reverse operation of the fan in the outdoor heat exchanger is controlled, the steps can be executed according to preset times or preset dedusting duration. The preset times and the preset dust removal duration can be set according to actual conditions. For example, the preset number of times may be set to 3, and the preset dust removal time period may be set to 20 min. Taking the flow chart of the cleaning method of the air conditioner shown in fig. 4 as an example, the air conditioner may be controlled to sequentially execute steps S301 to S303 for 3 times.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
1. because can control the air conditioner in this application and get into the dust removal mode after, based on controlling all fans in the outdoor heat exchanger and carry out reverse operation, remove dust to the outdoor heat exchanger, can reduce the deposition on outdoor heat exchanger surface, guaranteed the heat transfer effect of air conditioner outdoor heat exchanger for the air conditioner can exert best performance.
2. Because can control all fans in this application and carry out the reversal operation with different rotational speed combinations to can form positive wind field, overcome the poor problem of dust removal effect that exists when the single rotational speed of air conditioner carries out the reversal operation, can enlarge the blow-off area under the effect of wind field, increase the dust removal area promptly, be favorable to improving the dust removal effect of air conditioner.
3. Because can be in this application after the rotational speed of discerning one of them fan reaches the target rotational speed, the rotational speed of controlling one of them fan is undulant according to the predetermined range, and the fluctuation through the rotational speed can further form the wind field, has promoted the dust removal effect of air conditioner.
Fig. 5 is a flowchart illustrating a cleaning method of an air conditioner according to an embodiment of the present disclosure.
As shown in fig. 5, taking a method of controlling all fans to form different rotation speed combinations at the same time for reverse operation as an example, the cleaning method of the air conditioner specifically includes the following steps:
s401, recognizing that the air conditioner receives a cleaning instruction.
S402, controlling the surface of the outdoor heat exchanger to frost.
And S403, controlling defrosting of the outdoor heat exchanger.
And S404, controlling all fans to reversely rotate at 900rpm for 5 min.
And S405, controlling a part of fans to reversely rotate at 1200rpm for 2min, and simultaneously controlling the rest of fans to reversely rotate at 900rpm for 2 min.
And S406, controlling the residual fans to reversely rotate at 1200rpm for 2min, and controlling part of the fans to reversely rotate at 900rpm for 2 min.
It should be noted that, when steps S405 to S406 are executed, some fans may be controlled to operate at 1200rpm for 2min in reverse direction, and the remaining fans may be controlled to operate at 0rpm, that is, the operation may be stopped.
And S407, controlling all fans to reversely rotate at 1200rpm for 2 min.
S408, judging whether the steps S405 to S407 are executed for 3 times in sequence.
And S409, controlling the air conditioner to finish dedusting.
It should be noted that after step S403 and after controlling defrosting of the outdoor heat exchanger, step S404 may be executed to control all fans to reversely rotate at a normal rotation speed of 900rpm for 5min, step S405 may be executed to control part of the fans to reversely rotate at an ultrahigh rotation speed of 1200rpm for 2min, and at the same time, the remaining fans are controlled to reversely rotate at a normal rotation speed of 900rpm for 2min, and then the exchange speed between part of the fans and the remaining fans is controlled, step S406 is executed to control the remaining fans to reversely rotate at an ultrahigh rotation speed of 1200rpm for 2min, and at the same time, part of the fans are controlled to reversely rotate at a normal rotation speed of 900rpm for 2min, and step S407 may be executed to control all the fans to reversely rotate at an ultrahigh rotation speed of 1200rpm for 2 min.
Further, the air conditioner may be controlled to repeatedly execute steps S405 to S407 in sequence, and perform real-time detection to determine whether steps S405 to S407 are executed for 3 times in sequence. If the steps S405 to S407 are executed for 3 times in sequence, the step S409 is executed to control the air conditioner to finish dedusting; if the steps S405 to S407 are executed for less than 3 times in sequence, the steps S405 to S407 are continuously executed, and the detection is carried out in real time.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
1. because can control the air conditioner in this application and get into the dust removal mode after, based on controlling all fans in the outdoor heat exchanger and carry out reverse operation, remove dust to the outdoor heat exchanger, can reduce the deposition on outdoor heat exchanger surface, guaranteed the heat transfer effect of air conditioner outdoor heat exchanger for the air conditioner can exert best performance.
2. Because can control all fans in this application and carry out the reversal operation with different rotational speed combinations to can form positive wind field, overcome the poor problem of dust removal effect that exists when the single rotational speed of air conditioner carries out the reversal operation, can enlarge the blow-off area under the effect of wind field, increase the dust removal area promptly, be favorable to improving the dust removal effect of air conditioner.
Based on the same application concept, the embodiment of the application also provides a device corresponding to the cleaning method of the air conditioner.
Fig. 6 is a schematic structural diagram of a cleaning device of an air conditioner according to an embodiment of the present application. As shown in fig. 6, the cleaning apparatus 400 of the air conditioner includes: an identification module 41 and a control module 42.
The identification module 41 is used for identifying that the air conditioner receives a cleaning instruction; the control module 42 is used for controlling the surface of the outdoor heat exchanger to frost and controlling the outdoor heat exchanger to defrost so as to remove dust from the outdoor heat exchanger.
According to an embodiment of the present application, the control module 42 is further configured to: controlling the surface of an outdoor heat exchanger to frost, comprising: recognizing that the air conditioner enters a heating mode; and controlling to reduce the temperature of the refrigerant flowing through the outdoor heat exchanger so as to frost the surface of the outdoor heat exchanger.
According to an embodiment of the present application, the control module 42 is further configured to: controlling defrosting of the outdoor heat exchanger, comprising: and controlling the air conditioner to be switched from the heating mode to the cooling mode so as to defrost the outdoor heat exchanger.
According to an embodiment of the present application, the control module 42 is further configured to: the control of reducing the temperature of the refrigerant flowing through the outdoor heat exchanger comprises the following steps: controlling a fan in the outdoor heat exchanger to stop rotating; and/or, controlling to decrease the opening of the throttling element; and/or controlling the running frequency of the compressor to a set value; and/or controlling an indoor fan in the indoor heat exchanger to continue to operate.
According to an embodiment of the present application, the control module 42 is further configured to: after defrosting the outdoor heat exchanger, still include: and controlling the fan in the outdoor heat exchanger to run reversely.
According to an embodiment of the present application, the control module 42 is further configured to: controlling a fan in the outdoor heat exchanger to run in reverse, comprising: controlling all fans in the outdoor heat exchanger to form different rotating speed combinations at the same time to perform reverse operation; or controlling all the fans to reversely rotate at the same first rotating speed; or the fan is controlled to gradually increase the rotating speed to the target rotating speed in the process of reverse rotation in sequence.
According to an embodiment of the present application, the control module 42 is further configured to: controlling to form different rotating speed combinations between the fans at the same moment to perform reverse operation, and the method comprises the following steps: controlling all fans to reversely rotate at different second rotating speeds for a first time period; and controlling a part of fans and the rest of fans to alternately rotate reversely to a second time period at a third rotating speed which is greater than or equal to a preset rotating speed and a fourth rotating speed which is less than the preset rotating speed in a second time period.
According to an embodiment of the present application, the control module 42 is further configured to: after controlling the partial fans and the residual fans to alternately and reversely rotate at a third rotating speed which is greater than or equal to a preset rotating speed and a fourth rotating speed which is less than the preset rotating speed in a second time, the method further comprises the following steps: and controlling all fans to reversely rotate at a fifth rotating speed which is greater than or equal to the preset rotating speed.
According to an embodiment of the present application, the control module 42 is further configured to: control and form different rotational speed combinations at the same moment and carry out reverse operation between all fans, still include: and controlling part of the fans to reversely rotate at a sixth rotating speed which is greater than or equal to the preset rotating speed, and controlling the rest of the fans to reversely rotate at a seventh rotating speed which is less than the preset rotating speed.
According to an embodiment of the present application, the identifying module 41 is further configured to: and recognizing that the rotating speed of one fan reaches the target rotating speed, and controlling the rotating speed of the one fan to fluctuate according to a preset amplitude.
According to an embodiment of the present application, the control module 42 is further configured to: controlling the reverse operation of the fan in the outdoor heat exchanger, comprising: and controlling the reverse operation of the fan in the outdoor heat exchanger according to the preset times and/or the preset dedusting time.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
because can receive clean instruction in this application after discerning the air conditioner, control the air conditioner and get into the dust removal mode to refrigerant in the control air conditioner frosts on outdoor heat exchanger surface, continues to control the air conditioner after the frosting is accomplished and changes frost, utilizes to change the frost and makes the dust of piling up on the heat exchanger surface clear away.
Since the device described in the embodiments of the present application is a device used for implementing the cleaning method of the air conditioner provided in the embodiments of the present application, based on the method described in the embodiments of the present application, a person skilled in the art can understand the specific structure and the modification of the system, and thus the detailed description is omitted here. All the devices adopted by the cleaning method of the air conditioner provided by the embodiment of the application belong to the protection scope of the application.
As shown in fig. 7, an air conditioner 500 according to an embodiment of the present application includes a cleaning device 400 of the air conditioner.
Because can receive clean instruction in this application after discerning the air conditioner, control the air conditioner and get into the dust removal mode to refrigerant in the control air conditioner frosts on outdoor heat exchanger surface, continues to control the air conditioner after the frosting is accomplished and changes frost, utilizes to change the frost and makes the dust of piling up on the heat exchanger surface clear away.
As shown in fig. 8, an embodiment of the present application further provides an electronic device 600, where the electronic device 600 includes: a memory 61, a processor 62 and a computer program stored on the memory 61 and executable on the processor, the processor executing the program to implement the above-mentioned cleaning method of the air conditioner.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The application can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (15)

1. A cleaning method of an air conditioner is characterized by comprising the following steps:
recognizing that the air conditioner receives a cleaning instruction;
controlling the surface of the outdoor heat exchanger to frost;
and controlling defrosting of the outdoor heat exchanger so as to remove dust of the outdoor heat exchanger.
2. The method of claim 1, wherein the controlling outdoor heat exchanger surfaces from frosting comprises:
recognizing that the air conditioner enters a heating mode;
and controlling to reduce the temperature of the refrigerant flowing through the outdoor heat exchanger so as to frost the surface of the outdoor heat exchanger.
3. The method of claim 2, wherein the controlling defrosting the outdoor heat exchanger comprises:
and controlling the air conditioner to be switched from the heating mode to the cooling mode so as to defrost the outdoor heat exchanger.
4. The method as claimed in claim 2, wherein the controlling to reduce the temperature of the refrigerant flowing through the outdoor heat exchanger comprises:
controlling a fan in the outdoor heat exchanger to stop rotating; and/or the presence of a gas in the gas,
controlling to reduce the opening degree of the throttling element; and/or the presence of a gas in the gas,
controlling the running frequency of the compressor to a set value; and/or the presence of a gas in the gas,
and controlling the indoor fan in the indoor heat exchanger to continue to operate.
5. The method according to any one of claims 1-4, further comprising, after defrosting the outdoor heat exchanger:
and controlling the fan in the outdoor heat exchanger to run reversely.
6. The method of claim 5, wherein the controlling the fan in the outdoor heat exchanger to run in reverse comprises:
controlling all fans in the outdoor heat exchanger to form different rotating speed combinations at the same time to perform reverse operation; or,
controlling all fans to reversely rotate at the same first rotating speed; or,
and controlling the fan to gradually increase the rotating speed to the target rotating speed in the process of reverse rotation in sequence.
7. The method of claim 6, wherein the controlling the reverse operation at the same time with different combinations of rotational speeds between the fans comprises:
controlling all fans to reversely rotate at different second rotating speeds for a first time period;
and controlling a part of fans and the rest of fans to alternately rotate reversely to a second time period at a third rotating speed which is greater than or equal to a preset rotating speed and a fourth rotating speed which is less than the preset rotating speed in a second time period.
8. The method of claim 3, wherein the controlling further comprises, after the reversing operation of the partial blower and the remaining blower alternately at a third speed greater than or equal to a preset speed and a fourth speed less than the preset speed for a second period of time, the controlling further comprises:
and controlling all fans to reversely rotate at a fifth rotating speed which is greater than or equal to the preset rotating speed.
9. The method of claim 5, wherein controlling all fans to reverse at the same time with different combinations of speeds, further comprises:
and controlling part of the fans to reversely rotate at a sixth rotating speed which is greater than or equal to the preset rotating speed, and controlling the rest of the fans to reversely rotate at a seventh rotating speed which is less than the preset rotating speed.
10. The method of claim 5, further comprising:
and recognizing that the rotating speed of one fan reaches the target rotating speed, and controlling the rotating speed of the one fan to fluctuate according to a preset amplitude.
11. The method of claim 5, wherein said controlling reverse operation of a fan in said outdoor heat exchanger comprises:
and controlling the reverse operation of the fan in the outdoor heat exchanger according to the preset times and/or the preset dedusting time.
12. A cleaning apparatus of an air conditioner, comprising:
the recognition module is used for recognizing that the air conditioner receives a cleaning instruction;
and the control module is used for controlling the surface of the outdoor heat exchanger to frost and controlling the outdoor heat exchanger to defrost so as to remove dust of the outdoor heat exchanger.
13. An air conditioner, comprising: the cleaning apparatus of an air conditioner as claimed in claim 8.
14. An electronic device comprising a memory, a processor;
wherein the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory, for implementing the cleaning method of the air conditioner as set forth in any one of claims 1 to 11.
15. A computer-readable storage medium storing a computer program, characterized in that the program, when executed by a processor, implements a cleaning method of an air conditioner according to any one of claims 1 to 11.
CN201910716063.XA 2019-08-05 2019-08-05 Cleaning method and device for air conditioner, air conditioner and electronic equipment Active CN110454914B (en)

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