CN114719340B - Air conditioner control method - Google Patents

Air conditioner control method Download PDF

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Publication number
CN114719340B
CN114719340B CN202210340032.0A CN202210340032A CN114719340B CN 114719340 B CN114719340 B CN 114719340B CN 202210340032 A CN202210340032 A CN 202210340032A CN 114719340 B CN114719340 B CN 114719340B
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CN
China
Prior art keywords
air conditioner
fan blade
time period
equal
fan
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Application number
CN202210340032.0A
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Chinese (zh)
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CN114719340A (en
Inventor
寇永春
李德清
符龙
钟浩
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Application filed by Gree Green Refrigeration Technology Center Co Ltd of Zhuhai filed Critical Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Priority to CN202210340032.0A priority Critical patent/CN114719340B/en
Publication of CN114719340A publication Critical patent/CN114719340A/en
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Publication of CN114719340B publication Critical patent/CN114719340B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/81—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the air supply to heat-exchangers or bypass channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
    • F28G1/166—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris from external surfaces of heat exchange conduits
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Thermal Sciences (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The application provides an air conditioner control method, which is suitable for an air conditioner, wherein the air conditioner comprises an air conditioner outdoor unit and an air conditioner indoor unit, and the air conditioner indoor unit comprises: an inner machine housing; the evaporator is arranged in the inner machine shell; the first fan blade and the second fan blade are arranged on one side of the evaporator and face the evaporator, and the second fan blade is arranged below the evaporator, so that when the evaporator is cleaned by controlling the first fan blade to reversely rotate, the indoor air is blown by controlling the second fan blade to rotate. The air conditioner solves the problem that the heat exchange efficiency is easily affected by dust and other impurities accumulated on the heat exchanger of the air conditioner in the prior art.

Description

Air conditioner control method
Technical Field
The application relates to the technical field of air conditioners, in particular to an air conditioner control method.
Background
With the rapid development of the fields of the internet, the internet of things, cloud recording, artificial intelligence and the like, the country is continuously required to increase the investment construction of network infrastructure, and the construction speed and the number of communication base stations are increasing.
Meanwhile, the energy efficiency requirements of the communication base station on the used air conditioner (called as a base station air conditioner herein) are also higher, and the base station air conditioner needs to maintain higher heat exchange efficiency for a long time in order to reduce energy consumption. However, since the communication base station is not cleaned by people for a long time, and a great amount of dust, flock and other impurities are accumulated on the heat exchanger of the base station air conditioner in the process of 24 hours of continuous operation, the heat exchange efficiency of the heat exchanger is greatly reduced.
Disclosure of Invention
The application mainly aims to provide an air conditioner control method for solving the problem that heat exchange efficiency is easily affected by dust and other impurities accumulated on a heat exchanger of an air conditioner in the prior art.
In order to achieve the above object, according to one aspect of the present application, there is provided an air conditioner including an air conditioner outdoor unit and an air conditioner indoor unit, the air conditioner indoor unit including: an inner machine housing; the evaporator is arranged in the inner machine shell; the first fan blade and the second fan blade are arranged on one side of the evaporator and face the evaporator, and the second fan blade is arranged below the evaporator, so that when the evaporator is cleaned by controlling the first fan blade to reversely rotate, the indoor air is blown by controlling the second fan blade to rotate.
Further, the indoor unit of the air conditioner is an indoor unit of a cabinet air conditioner, the first fan blades are multiple, the first fan blades are sequentially arranged at intervals along the direction close to the supporting base surface of the indoor unit of the air conditioner, and the second fan blades are located below the first fan blades.
Further, the air conditioner indoor unit includes: the support plate is positioned in the inner machine shell and is arranged at intervals with the bottom and the top of the inner machine shell; the first fan blade bracket is arranged in the inner machine shell and positioned between the top of the inner machine shell and the supporting plate, and the first fan blade is rotatably arranged on the first fan blade bracket and positioned at one side of the first fan blade bracket far away from the evaporator; the second fan blade support is arranged in the inner machine shell and positioned between the support plate and the bottom of the inner machine shell, and the second fan blade is rotatably arranged on the second fan blade support and positioned on one side of the second fan blade support.
Further, the air conditioner indoor unit includes: and a temperature detecting part provided on the evaporator for detecting a temperature of the evaporator.
According to another aspect of the present application, there is provided an air conditioner control method, which is applied to the above air conditioner, comprising: the method comprises the steps of controlling a compressor and an external fan of an air conditioner outdoor unit of an air conditioner to start, controlling a first fan blade of an air conditioner indoor unit to rotate, and controlling a second fan blade of the air conditioner indoor unit not to rotate; recording a first time t of compressor operation 1 The method comprises the steps of carrying out a first treatment on the surface of the Judging a first time period t 1 Whether or not to equal the first preset time period t 10 The method comprises the steps of carrying out a first treatment on the surface of the When the first time period t 1 Equal to a first preset time period t 10 Time controlThe air conditioner starts a self-cleaning mode.
Further, the self-cleaning mode includes: the method comprises the steps of controlling the compressor to be closed, controlling the first fan blade and the outer fan to stop rotating, and controlling the four-way valve of the air conditioner outdoor unit to keep a power-off state; when the air conditioner is in a refrigerating mode, the second fan blade is controlled to rotate; when the air conditioner is in the heating mode, the second fan blade is controlled to be closed.
Further, the self-cleaning mode includes: recording a second time t for closing the compressor 2 The method comprises the steps of carrying out a first treatment on the surface of the Judging the second time period t 2 Whether or not to equal the second preset time period t 20 The method comprises the steps of carrying out a first treatment on the surface of the When the second time period t 2 Equal to a second preset time period t 20 And when the air conditioner is started, the compressor and the external fan are controlled to be started.
Further, the self-cleaning mode includes: detecting real-time temperature T of evaporator 0 And recording a third duration t of compressor start 3 The method comprises the steps of carrying out a first treatment on the surface of the Judging the real-time temperature T 0 Whether or not it is greater than or equal to a first preset temperature T 10 And a third time period t 3 Whether greater than or equal to a third preset time period t 30 The method comprises the steps of carrying out a first treatment on the surface of the When the real-time temperature T 0 Greater than or equal to a first preset temperature T 10 And a third time period t 3 Is greater than or equal to a third preset time period t 30 And controlling the first fan blade to reversely rotate.
Further, when the air conditioner is in the cooling mode, a first preset temperature T 10 Equal to-5 ℃, a third preset time period t 30 Equal to 180 seconds; when the air conditioner is in the heating mode, a first preset temperature T 10 Equal to-2 ℃, a third preset time period t 30 Equal to 180 seconds; when the first fan blade is controlled to reversely rotate, the self-cleaning mode further comprises the step of controlling the external fan to reversely rotate.
Further, the air conditioner control method includes: continuing to detect the real-time temperature T of the evaporator 0 And recording a fourth time t of reverse rotation of the first fan blade 4 The method comprises the steps of carrying out a first treatment on the surface of the Judging the real-time temperature T 0 Whether or not it is greater than or equal to a second preset temperature T 20 Or a fourth time period t 4 Whether greater than or equal to a fourth preset time period t 40 The method comprises the steps of carrying out a first treatment on the surface of the When the real-time temperature T 0 Greater than or equal to a second preset temperature T 20 Or a fourth time period t 4 Is greater than or equal to a fourth preset time period t 40 And when the air conditioner is controlled to exit the self-cleaning mode.
Further, when the air conditioner is in the cooling mode, the second preset temperature T 20 Equal to 10 ℃, a fourth preset time period t 40 Equal to 10 minutes; when the air conditioner is in the heating mode, the second preset temperature T 20 Equal to 7 ℃, a fourth preset time period t 40 Equal to 8 minutes.
Further, the air conditioner control method includes: when the air conditioner exits from the self-cleaning mode, the compressor and the first fan blade are controlled to be closed, and the external fan is controlled to reversely rotate; when the air conditioner is in the cooling mode, the air conditioner control method further comprises the following steps: controlling the second fan blade to rotate; when the air conditioner is in the heating mode, the air conditioner control method further comprises the following steps: and controlling the second fan blade to be closed.
Further, the air conditioner control method includes: recording a fifth time t for reverse rotation of the outer fan 5 The method comprises the steps of carrying out a first treatment on the surface of the Judging a fifth time period t 5 Whether or not to be equal to a fifth preset time period t 50 The method comprises the steps of carrying out a first treatment on the surface of the When the fifth time period t 5 Equal to a fifth preset time period t 50 And returning to the step of starting with the control of the compressor and the external fan of the air conditioner outdoor unit of the air conditioner, the control of the rotation of the first fan blade of the air conditioner indoor unit and the control of the non-rotation of the second fan blade of the air conditioner indoor unit.
Further, the air conditioner control method includes: when the compressor is started in a refrigerating mode of the air conditioner, the four-way valve of the air conditioner outdoor unit is controlled to be powered off; when the compressor is started in the heating mode of the air conditioner, the four-way valve of the air conditioner outdoor unit is controlled to be powered on.
By applying the technical scheme of the application, the air conditioner comprises an air conditioner outdoor unit and an air conditioner indoor unit, and the air conditioner indoor unit comprises: an inner machine housing; the evaporator is arranged in the inner machine shell; the first fan blade is positioned at one side of the evaporator and is arranged towards the evaporator, so that air flow from the side of the evaporator is blown to the outside of the air-conditioning indoor unit through forward rotation of the first fan blade when the air-conditioning is in operation, or air flow from the outside of the air-conditioning indoor unit is blown to the evaporator through reverse rotation of the first fan blade when the air-conditioning indoor unit is in a self-cleaning mode, and the evaporator is cleaned; the second fan blade is positioned below the evaporator, so that when the evaporator is cleaned by controlling the first fan blade to reversely rotate, the indoor temperature is reduced by controlling the second fan blade to rotate so as to supply air indoors. Therefore, under the condition that the refrigerating effect on the indoor environment temperature is not affected, the automatic cleaning of the heat exchanger of the base station air conditioner is realized, the heat exchange efficiency of the heat exchanger of the base station air conditioner is improved, the energy efficiency of the base station air conditioner is improved, the energy consumption of the base station air conditioner is reduced, and the problem that the heat exchange efficiency is easily affected due to accumulation of impurities such as dust on the heat exchanger of the air conditioner in the prior art is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
fig. 1 illustrates a cross-sectional view of an air conditioner indoor unit according to an embodiment of the present application;
fig. 2 illustrates a side view of the indoor unit of the air conditioner illustrated in fig. 1;
fig. 3 illustrates a flowchart of an air conditioner control method according to the present application when an air conditioner is in a cooling mode; and
fig. 4 shows a flowchart of an air conditioner control method according to the present application when the air conditioner is in a heating mode.
Wherein the above figures include the following reference numerals:
10. an inner machine housing; 20. an evaporator; 30. a first fan blade; 31. a first fan blade bracket; 40. a second fan blade; 41. the second fan blade bracket; 50. and a support plate.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 and 2, the present application provides an air conditioner including an air conditioner outdoor unit and an air conditioner indoor unit, the air conditioner indoor unit including: an inner machine housing 10; an evaporator 20 provided in the inner housing 10; the first fan blade 30 and the second fan blade 40, the first fan blade 30 is located at one side of the evaporator 20 and is disposed towards the evaporator 20, and the second fan blade 40 is located below the evaporator 20, so that when the evaporator 20 is cleaned by controlling the first fan blade 30 to rotate reversely, the indoor air is blown by controlling the second fan blade 40 to rotate.
The air conditioner of the application comprises an air conditioner outdoor unit and an air conditioner indoor unit, wherein the air conditioner indoor unit comprises: an inner machine housing 10; an evaporator 20 provided in the inner housing 10; the first fan blade 30 and the second fan blade 40, the first fan blade 30 is located at one side of the evaporator 20 and is disposed towards the evaporator 20, so that the air flow from the side of the evaporator 20 is blown to the outside of the air-conditioning indoor unit through the forward rotation of the first fan blade 30 when the air-conditioner is in operation, or the air flow from the outside of the air-conditioning indoor unit is blown to the evaporator through the reverse rotation of the first fan blade 30 when the air-conditioner is in self-cleaning mode, so as to clean the evaporator; the second fan 40 is located under the evaporator 20 to reduce the indoor temperature by controlling the rotation of the second fan 40 to supply air into the room when the evaporator 20 is cleaned by controlling the reverse rotation of the first fan 30. Therefore, under the condition that the refrigerating effect on the indoor environment temperature is not affected, the automatic cleaning of the heat exchanger of the base station air conditioner is realized, the heat exchange efficiency of the heat exchanger of the base station air conditioner is improved, the energy efficiency of the base station air conditioner is improved, the energy consumption of the base station air conditioner is reduced, and the problem that the heat exchange efficiency is easily affected due to accumulation of impurities such as dust on the heat exchanger of the air conditioner in the prior art is solved.
The air conditioner outdoor unit comprises an outer machine shell, a condenser, a compressor, an outer fan and a four-way valve, wherein the condenser, the compressor, the outer fan and the four-way valve are arranged in the outer machine shell, and the outer fan is arranged towards the condenser so as to blow air flow in the air conditioner outdoor unit to the outside of the air conditioner outdoor unit through forward rotation of the outer fan when the air conditioner works, or blow air flow outside the air conditioner outdoor unit to the condenser through reverse rotation of the outer fan when the air conditioner works in a self-cleaning mode so as to clean the condenser.
Specifically, the indoor unit of the air conditioner is an indoor unit of a cabinet air conditioner, the first fan blades 30 are multiple, the first fan blades 30 are sequentially arranged at intervals along a direction close to a supporting base surface of the indoor unit of the air conditioner, and the second fan blades 40 are located below the first fan blades 30.
The supporting base surface of the indoor unit of the air conditioner can be a horizontal surface such as the ground.
In the embodiment shown in fig. 1 and 2 of the present application, the number of the first fan blades 30 is two, the number of the second fan blades 40 is one, the two first fan blades 30 and the one second fan blade 40 are sequentially arranged at intervals from top to bottom, and the first fan blades 30 and the second fan blades 40 are both axial flow fan blades.
As shown in fig. 1, a support plate 50 is located within the inner housing 10 and is spaced apart from both the bottom and top of the inner housing 10; the first fan blade bracket 31 is arranged in the inner machine shell 10 and is positioned between the top of the inner machine shell 10 and the supporting plate 50, and the first fan blade 30 is rotatably arranged on the first fan blade bracket 31 and is positioned on one side of the first fan blade bracket 31 far away from the evaporator 20; the second fan blade bracket 41 is disposed in the inner housing 10 and between the support plate 50 and the bottom of the inner housing 10, and the second fan blade 40 is rotatably mounted on the second fan blade bracket 41 and is located at one side of the second fan blade bracket 41.
The indoor unit of the air conditioner of the application comprises: and a temperature detecting part provided on the evaporator 20 for detecting a temperature of the evaporator 20.
Specifically, the temperature detecting member is a bulb.
As shown in fig. 3 and 4, the present application provides an air conditioner control method, which is applicable to the above air conditioner, and the air conditioner control method includes: the method comprises the steps of controlling the starting of a compressor and an external fan of an air conditioner outdoor unit of an air conditioner, controlling the rotation of a first fan blade 30 of an air conditioner indoor unit, and controlling the non-rotation of a second fan blade 40 of the air conditioner indoor unit; recording a first time t of compressor operation 1 The method comprises the steps of carrying out a first treatment on the surface of the Judging a first time period t 1 Whether or not to equal the first preset time period t 10 The method comprises the steps of carrying out a first treatment on the surface of the When the first time period t 1 Equal to a first preset time period t 10 And when the air conditioner is controlled to start the self-cleaning mode.
As shown in fig. 3 and 4, in the case where the air conditioner is operating normally, the air conditioner control method includes: when the compressor is started in a refrigerating mode of the air conditioner, the four-way valve of the air conditioner outdoor unit is controlled to be powered off; when the compressor is started in the heating mode of the air conditioner, the four-way valve of the air conditioner outdoor unit is controlled to be powered on.
As shown in fig. 3, when the air conditioner is in the cooling mode, the air conditioner control method includes: the compressor and the external fan of the air conditioner outdoor unit of the air conditioner are controlled to be started, the first fan blade 30 of the air conditioner indoor unit is controlled to rotate, the second fan blade 40 of the air conditioner indoor unit is controlled not to rotate, and the four-way valve of the air conditioner outdoor unit is controlled to be powered off.
As shown in fig. 4, when the air conditioner is in the heating mode, the air conditioner control method includes: when the fifth time period t 5 When the time is equal to 3 minutes, the compressor and the external fan of the air conditioner outdoor unit of the air conditioner are controlled to be started, the first fan blade 30 of the air conditioner indoor unit is controlled to rotate, the second fan blade 40 of the air conditioner indoor unit is controlled not to rotate, and the four-way valve of the air conditioner outdoor unit is controlled to be powered on.
The self-cleaning mode of the present application includes: the compressor is controlled to be closed, the first fan blade 30 and the outer fan are controlled to stop rotating, and the four-way valve of the air conditioner outdoor unit is controlled to be powered off; when the air conditioner is in the refrigerating mode, the self-cleaning mode further comprises controlling the second fan blade 40 to rotate; when the air conditioner is in the heating mode, the self-cleaning mode further includes controlling the second fan 40 to be turned off.
Specifically, a first preset time period t 10 =240 hours.
As shown in fig. 3, when the air conditioner is in the cooling mode, the first time period t 1 When the time is 240 hours, the air conditioner is controlled to be in a self-cleaning mode, the compressor is controlled to be closed, the first fan blade 30 and the external fan are controlled to stop rotating, the second fan blade 40 is controlled to rotate, and the four-way valve of the air conditioner outdoor unit is controlled to be in a power-off state.
As shown in fig. 4, when the air conditioner is in the heating mode, the first time period t 1 When the time is 240 hours, the compressor is controlled to be closed, the first fan blade 30 and the external fan are controlled to stop rotating, the second fan blade 40 is controlled to be kept closed, and the four-way valve of the air conditioner outdoor unit is controlled to be powered off.
As shown in fig. 3 and 4, the self-cleaning mode includes: record compressionSecond duration t of machine shutdown 2 The method comprises the steps of carrying out a first treatment on the surface of the Judging the second time period t 2 Whether or not to equal the second preset time period t 20 The method comprises the steps of carrying out a first treatment on the surface of the When the second time period t 2 Equal to a second preset time period t 20 When the air conditioner is in a refrigerating mode or a heating mode, the compressor and the external fan are controlled to be started.
Specifically, the second preset time period t 20 =3 min.
Specifically, the self-cleaning mode includes: detecting real-time temperature T of evaporator 20 0 And recording a third duration t of compressor start 3 The method comprises the steps of carrying out a first treatment on the surface of the Judging the real-time temperature T 0 Whether or not it is greater than or equal to a first preset temperature T 10 And a third time period t 3 Whether greater than or equal to a third preset time period t 30 The method comprises the steps of carrying out a first treatment on the surface of the When the real-time temperature T 0 Greater than or equal to a first preset temperature T 10 And a third time period t 3 Is greater than or equal to a third preset time period t 30 And at this time, the first fan blade 30 is controlled to reversely rotate.
As shown in fig. 3, when the air conditioner is in the cooling mode, a first preset temperature T 10 Equal to-5 ℃, a third preset time period t 30 Equal to 180 seconds; when the real-time temperature T 0 Greater than or equal to-5 ℃ and a third time period t 3 And when the speed is greater than or equal to 180 seconds, controlling the first fan blade 30 to reversely rotate.
As shown in fig. 4, when the air conditioner is in the heating mode, a first preset temperature T 10 Equal to-2 ℃, a third preset time period t 30 Equal to 180 seconds; when the real-time temperature T 0 Greater than or equal to-2 ℃ and a third time period t 3 When the speed is greater than or equal to 180 seconds, the first fan blade 30 is controlled to reversely rotate, and the outer fan is controlled to reversely rotate.
As shown in fig. 3 and 4, the air conditioner control method includes: continuing to detect the real-time temperature T of the evaporator 0 And a fourth time period t for recording the reverse rotation of the first fan blade 30 4 The method comprises the steps of carrying out a first treatment on the surface of the Judging the real-time temperature T 0 Whether or not it is greater than or equal to a second preset temperature T 20 Or a fourth time period t 4 Whether greater than or equal to a fourth preset time period t 40 The method comprises the steps of carrying out a first treatment on the surface of the When the real-time temperature T 0 Greater than or equal to a second preset temperature T 20 Or at the fourth timeLong t 4 Is greater than or equal to a fourth preset time period t 40 And when the air conditioner is in the refrigerating mode or the heating mode, the air conditioner is controlled to exit the self-cleaning mode.
Specifically, when the air conditioner is in the cooling mode, the second preset temperature T 20 Equal to 10 ℃, a fourth preset time period t 40 Equal to 10 minutes; when the air conditioner is in the heating mode, the second preset temperature T 20 Equal to 7 ℃, a fourth preset time period t 40 Equal to 8 minutes.
As shown in fig. 3 and 4, the air conditioner control method includes: when the air conditioner exits from the self-cleaning mode, the compressor and the first fan blade 30 are controlled to be closed, and the external fan is controlled to reversely rotate; when the air conditioner is in the cooling mode, the air conditioner control method further comprises the following steps: controlling the second fan blade 40 to rotate; when the air conditioner is in the heating mode, the air conditioner control method further comprises the following steps: the second fan 40 is controlled to be closed.
As shown in fig. 3, when the air conditioner is in the cooling mode, after the air conditioner exits the self-cleaning mode, the compressor is controlled to be turned off, the first fan blade 30 is controlled to rotate reversely, and the second fan blade 40 is controlled to continue to rotate.
As shown in fig. 4, when the air conditioner is in the heating mode, after the air conditioner exits the self-cleaning mode, the compressor and the first fan blade 30 are controlled to be turned off, the external fan is controlled to keep rotating reversely, and the second fan blade 40 is controlled to be turned off continuously.
As shown in fig. 3 and 4, the air conditioner control method includes: recording a fifth time t for reverse rotation of the outer fan 5 The method comprises the steps of carrying out a first treatment on the surface of the Judging a fifth time period t 5 Whether or not to be equal to a fifth preset time period t 50 The method comprises the steps of carrying out a first treatment on the surface of the When the fifth time period t 5 Equal to a fifth preset time period t 50 And returning to the step of starting with the control of the compressor and the external fan of the air conditioner outdoor unit of the air conditioner, the control of the rotation of the first fan blade 30 of the air conditioner indoor unit and the control of the non-rotation of the second fan blade 40 of the air conditioner indoor unit.
Specifically, the fifth preset time period t 50 =3 min.
As shown in fig. 3, when the air conditioner is in the cooling mode, the fifth time period t 5 Equal to 3 minutesReturning to the step of starting the compressor and the external fan of the air conditioner outdoor unit of the air conditioner, controlling the first fan blade 30 of the air conditioner indoor unit to rotate, controlling the second fan blade 40 of the air conditioner indoor unit not to rotate, and controlling the four-way valve of the air conditioner outdoor unit to be powered off.
As shown in fig. 4, when the air conditioner is in the heating mode, the fifth time period t 5 And when the temperature is equal to 3 minutes, the method returns to the step of starting with the control of the compressor and the external fan of the air conditioner outdoor unit of the air conditioner, the control of the rotation of the first fan blade 30 of the air conditioner indoor unit, the control of the non-rotation of the second fan blade 40 of the air conditioner indoor unit and the control of the four-way valve of the air conditioner outdoor unit.
From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:
the air conditioner of the application comprises an air conditioner outdoor unit and an air conditioner indoor unit, wherein the air conditioner indoor unit comprises: an inner machine housing 10; an evaporator 20 provided in the inner housing 10; the first fan blade 30 and the second fan blade 40, the first fan blade 30 is located at one side of the evaporator 20 and is disposed towards the evaporator 20, so that the air flow from the side of the evaporator 20 is blown to the outside of the air-conditioning indoor unit through the forward rotation of the first fan blade 30 when the air-conditioner is in operation, or the air flow from the outside of the air-conditioning indoor unit is blown to the evaporator through the reverse rotation of the first fan blade 30 when the air-conditioner is in self-cleaning mode, so as to clean the evaporator; the second fan 40 is located under the evaporator 20 to reduce the indoor temperature by controlling the rotation of the second fan 40 to supply air into the room when the evaporator 20 is cleaned by controlling the reverse rotation of the first fan 30. Therefore, under the condition that the refrigerating effect on the indoor environment temperature is not affected, the automatic cleaning of the heat exchanger of the base station air conditioner is realized, the heat exchange efficiency of the heat exchanger of the base station air conditioner is improved, the energy efficiency of the base station air conditioner is improved, the energy consumption of the base station air conditioner is reduced, and the problem that the heat exchange efficiency is easily affected due to accumulation of impurities such as dust on the heat exchanger of the air conditioner in the prior art is solved.
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 is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (8)

1. An air conditioner control method is characterized in that the air conditioner control method is suitable for an air conditioner, and comprises an air conditioner outdoor unit and an air conditioner indoor unit, wherein the air conditioner indoor unit comprises:
an inner machine housing (10);
an evaporator (20) disposed within the inner housing (10);
the first fan blade (30) and the second fan blade (40), wherein the first fan blade (30) is positioned at one side of the evaporator (20) and faces the evaporator (20), and the second fan blade (40) is positioned below the evaporator (20) so as to control the second fan blade (40) to rotate to supply air indoors when the first fan blade (30) is controlled to rotate reversely to clean the evaporator (20);
the air conditioner control method comprises the following steps:
the method comprises the steps of controlling a compressor and an external fan of an air conditioner outdoor unit of the air conditioner to start, controlling the first fan blade (30) of the air conditioner indoor unit to rotate, and controlling the second fan blade (40) of the air conditioner indoor unit not to rotate;
recording a first time period t1 of the operation of the compressor;
judging whether the first time period t1 is equal to a first preset time period t10 or not;
when the first time period t1 is equal to the first preset time period t10, controlling the air conditioner to start a self-cleaning mode;
the self-cleaning mode includes:
the compressor is controlled to be closed, the first fan blade (30) and the outer fan are controlled to stop rotating, and the four-way valve of the air conditioner outdoor unit is controlled to be kept in a power-off state;
when the air conditioner is in a refrigerating mode, the second fan blade (40) is controlled to rotate; when the air conditioner is in a heating mode, the second fan blade (40) is controlled to be closed;
recording a second time period t2 when the compressor is turned off;
judging whether the second time period t2 is equal to a second preset time period t20 or not;
when the second time period t2 is equal to the second preset time period t20, controlling the start of the compressor and the external fan;
detecting a real-time temperature T0 of the evaporator (20) and recording a third duration T3 of the start of the compressor;
judging whether the real-time temperature T0 is greater than or equal to a first preset temperature T10 or not, and whether the third duration T3 is greater than or equal to a third preset duration T30 or not;
when the real-time temperature T0 is greater than or equal to a first preset temperature T10 and the third time period T3 is greater than or equal to a third preset time period T30, controlling the first fan blade (30) to reversely rotate;
when the air conditioner is in a refrigeration mode, the first preset temperature T10 is equal to-5 ℃, and the third preset time period T30 is equal to 180 seconds; when the air conditioner is in a heating mode, the first preset temperature T10 is equal to-2 ℃, and the third preset time period T30 is equal to 180 seconds; when the first fan blade (30) is controlled to reversely rotate, the self-cleaning mode further comprises the step of controlling the external fan to reversely rotate;
when the air conditioner exits from the self-cleaning mode, the compressor and the first fan blade (30) are controlled to be closed, and the external fan is controlled to reversely rotate;
when the air conditioner is in the cooling mode, the air conditioner control method further comprises the following steps: controlling the second fan blade (40) to rotate; when the air conditioner is in the heating mode, the air conditioner control method further includes: and controlling the second fan blade (40) to be closed.
2. The air conditioner control method according to claim 1, wherein the air conditioner indoor unit is an indoor unit of a cabinet air conditioner, the first fan blades (30) are plural, the plural first fan blades (30) are sequentially arranged at intervals along a direction approaching a supporting base surface of the air conditioner indoor unit, and the second fan blades (40) are located below the plural first fan blades (30).
3. The air conditioner control method according to claim 1, wherein the air conditioner indoor unit includes:
the support plate (50) is positioned in the inner machine shell (10) and is arranged at intervals with the bottom and the top of the inner machine shell (10);
the first fan blade bracket (31) is arranged in the inner machine shell (10) and is positioned between the top of the inner machine shell (10) and the supporting plate (50), and the first fan blade (30) is rotatably arranged on the first fan blade bracket (31) and is positioned on one side, far away from the evaporator (20), of the first fan blade bracket (31);
the second fan blade support (41) is arranged in the inner machine shell (10) and located between the supporting plate (50) and the bottom of the inner machine shell (10), and the second fan blade (40) is rotatably installed on the second fan blade support (41) and located on one side of the second fan blade support (41).
4. The air conditioner control method according to claim 1, wherein the air conditioner indoor unit includes: and a temperature detection member provided on the evaporator (20) for detecting the temperature of the evaporator (20).
5. The air conditioner control method according to claim 1, characterized in that the air conditioner control method comprises:
continuously detecting the real-time temperature T of the evaporator 0 And recording a fourth time period t of the reverse rotation of the first fan blade (30) 4 ；
Judging the real-time temperature T 0 Whether or not it is greater than or equal to a second preset temperature T 20 Or said fourth time period t 4 Whether greater than or equal to a fourth preset time period t 40 ；
When the real-time temperature T 0 Greater than or equal to a second preset temperature T 20 Or said fourth time period t 4 Is greater than or equal to the fourth preset time period t 40 And when the air conditioner is controlled to exit the self-cleaning mode.
6. The air conditioner control method according to claim 5, wherein,
when the air conditioner is in the refrigeration mode, the second preset temperature T 20 Equal to 10 ℃, the fourth preset time period t 40 Equal to 10 minutes;
when the air conditioner is in the heating mode, the second preset temperature T 20 Equal to 7 ℃, the fourth preset time period t 40 Equal to 8 minutes.
7. The air conditioner control method according to claim 1, characterized in that the air conditioner control method comprises:
recording a fifth time t of the reverse rotation of the outer fan 5 ；
Judging the fifth time period t 5 Whether or not to be equal to a fifth preset time period t 50 ；
When the fifth time period t 5 Equal to the fifth preset time period t 50 And returning to the step of starting with the control of the compressor and the external fan of the air conditioner outdoor unit of the air conditioner, the control of the rotation of the first fan blade (30) of the air conditioner indoor unit and the control of the non-rotation of the second fan blade (40) of the air conditioner indoor unit.
8. The air conditioner control method according to claim 1, characterized in that the air conditioner control method comprises:
when the compressor is started in a refrigerating mode of the air conditioner, the four-way valve of the air conditioner outdoor unit is controlled to be powered off;
when the compressor is started in a heating mode of the air conditioner, the four-way valve of the air conditioner outdoor unit is controlled to be powered on.
CN202210340032.0A 2022-04-01 2022-04-01 Air conditioner control method Active CN114719340B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03251621A (en) * 1990-02-28 1991-11-11 Matsushita Electric Ind Co Ltd Air conditioner
CN104075379A (en) * 2014-06-26 2014-10-01 美的集团武汉制冷设备有限公司 Air-conditioner
CN109916029A (en) * 2019-03-21 2019-06-21 青岛海尔空调器有限总公司 Air conditioner automatically cleaning control method
CN110454906A (en) * 2019-08-05 2019-11-15 广东美的制冷设备有限公司 Dust removal method, device, air conditioner and the electronic equipment of air conditioner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03251621A (en) * 1990-02-28 1991-11-11 Matsushita Electric Ind Co Ltd Air conditioner
CN104075379A (en) * 2014-06-26 2014-10-01 美的集团武汉制冷设备有限公司 Air-conditioner
CN109916029A (en) * 2019-03-21 2019-06-21 青岛海尔空调器有限总公司 Air conditioner automatically cleaning control method
CN110454906A (en) * 2019-08-05 2019-11-15 广东美的制冷设备有限公司 Dust removal method, device, air conditioner and the electronic equipment of air conditioner

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