CN113432236B - Method of controlling air conditioner, and computer-readable storage medium - Google Patents
Method of controlling air conditioner, and computer-readable storage medium Download PDFInfo
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- CN113432236B CN113432236B CN202110740209.1A CN202110740209A CN113432236B CN 113432236 B CN113432236 B CN 113432236B CN 202110740209 A CN202110740209 A CN 202110740209A CN 113432236 B CN113432236 B CN 113432236B
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims description 36
- 238000005057 refrigeration Methods 0.000 claims description 16
- 238000004590 computer program Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 description 25
- 238000001816 cooling Methods 0.000 description 15
- 239000003507 refrigerant Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 239000007791 liquid phase Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000013400 design of experiment Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/87—Control 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
- F24F11/871—Control 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- 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)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a method for controlling an air conditioner, an air conditioner and a computer readable storage medium. The method of controlling an air conditioner includes: responding to a starting instruction of starting a mute or sleep mode, and controlling the indoor fan to reduce the rotating speed; acquiring the coil temperature of an indoor heat exchanger; adjusting the swing angle of the indoor swing structure according to the temperature of the coil pipe of the indoor heat exchanger; acquiring the indoor environment temperature; and adjusting the rotating speed of the outdoor fan according to the indoor environment temperature. According to the method for controlling the air conditioner, disclosed by the embodiment of the invention, the air conditioner effectively reduces the noise of the air conditioner by adjusting the air speed of the indoor fan, the swing angle of the indoor swing structure and the rotating speed of the outdoor fan under the condition of a mute or sleep mode.
Description
Technical Field
The present invention relates to the field of air conditioners, and in particular, to a method for controlling an air conditioner, and a computer-readable storage medium.
Background
In a silent mode or a sleep mode of the mobile air conditioner, the noise is controlled by reducing the wind speed of an indoor fan or adjusting the outdoor rotating speed, and the control methods are basically controlled by the indoor environment temperature.
In the related art, the method for controlling the noise of the air conditioner mainly aims at adjusting the output capacity of the whole air conditioner, but not aiming at controlling the noise under the special condition of a silent mode or a sleep mode, and the noise is controlled only by the indoor ambient temperature, so that the effect of reducing the noise is not ideal.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a method for controlling an air conditioner, which effectively reduces noise of the air conditioner by adjusting the wind speed of an indoor fan, the wind swinging angle of an indoor wind swinging structure and the rotating speed of an outdoor fan under a mute or sleep mode condition.
The second objective of the present invention is to provide an air conditioner.
It is a further object of the present invention to provide a computer-readable storage medium.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a method for controlling an air conditioner, including: responding to a starting instruction of starting a mute or sleep mode, and controlling the indoor fan to reduce the rotating speed; acquiring the coil temperature of an indoor heat exchanger; adjusting the air swinging angle of an indoor air swinging structure according to the temperature of a coil pipe of the indoor heat exchanger; acquiring the indoor environment temperature; and adjusting the rotating speed of the outdoor fan according to the indoor environment temperature.
According to the method for controlling the air conditioner, the air swinging angle of the indoor air swinging structure is further adjusted according to the temperature of the coil pipe of the indoor heat exchanger on the basis of reducing the air speed of the indoor fan when the air conditioner enters a mute or sleep mode, so that the noise of the air conditioner is effectively reduced. On the basis of reducing the rotating speed of the indoor fan and adjusting the swing angle of the indoor swing structure, the rotating speed of the outdoor fan is adjusted according to the indoor environment temperature, the indoor environment temperature can be adaptively adjusted, the refrigerating and heating effects of the air conditioner are guaranteed, the comfort level of a user is guaranteed, and the noise of the air conditioner can be reduced to a certain extent.
In some embodiments of the present invention, adjusting a wind swing angle of an indoor wind swing structure according to a coil temperature of the indoor heat exchanger includes: detecting a heating mode of the air conditioner; determining that the temperature of a coil pipe of the indoor heat exchanger is lower than a first preset temperature, and controlling the indoor air swinging structure to adjust to a minimum allowable air swinging angle; and determining that the temperature of the coil pipe of the indoor heat exchanger is greater than or equal to the first preset temperature, and maintaining the current swing angle of the indoor swing structure unchanged.
In some embodiments of the present invention, adjusting the rotation speed of the outdoor fan according to the indoor ambient temperature includes: determining that the indoor environment temperature is lower than a second preset temperature, and controlling an outdoor fan to operate at a first speed gear, wherein the second preset temperature is lower than the first preset temperature; and determining that the indoor environment temperature is greater than or equal to the second preset temperature, and controlling an outdoor fan to operate at a second rotating speed gear, wherein the rotating speed corresponding to the second rotating speed gear is less than the rotating speed corresponding to the first rotating speed gear.
In some embodiments of the present invention, the first preset temperature T1 takes a value as follows: t1 is more than or equal to 45 ℃ and less than or equal to 65 ℃.
In some embodiments of the present invention, adjusting a wind swing angle of an indoor wind swing structure according to a coil temperature of the indoor heat exchanger includes: detecting a cooling mode of the air conditioner; determining that the temperature of a coil pipe of the indoor heat exchanger is greater than or equal to a third preset temperature, and controlling the indoor air swinging structure to adjust to a minimum allowable air swinging angle; and determining that the temperature of the coil pipe of the indoor heat exchanger is lower than the third preset temperature, and maintaining the current swing angle of the indoor swing structure unchanged.
In some embodiments of the present invention, adjusting the rotation speed of the outdoor fan according to the indoor ambient temperature includes: determining that the indoor environment temperature is lower than a fourth preset temperature, and controlling an outdoor fan to operate at a second rotating speed gear, wherein the fourth preset temperature is higher than the third preset temperature; and determining that the indoor environment temperature is greater than or equal to the fourth preset temperature, and controlling the outdoor fan to operate at a first rotating speed gear, wherein the rotating speed corresponding to the second rotating speed gear is less than the rotating speed corresponding to the first rotating speed gear.
In some embodiments of the present invention, the third preset temperature T2 is: t2 is more than 0 ℃ and less than or equal to 8 ℃.
In some embodiments of the present invention, the obtaining the coil temperature of the indoor heat exchanger comprises: recording the running time of the air conditioner after the indoor fan is controlled to reduce the rotating speed; and when the running time reaches a preset time, acquiring the temperature of the coil of the indoor heat exchanger.
In order to achieve the above object, an embodiment of a second aspect of the present invention provides an air conditioner, including: the system comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger and a throttling unit; an indoor fan, an outdoor fan and a wind swinging structure; the first temperature sensor is used for collecting the temperature of a coil of the indoor heat exchanger; the second temperature sensor is used for collecting the indoor environment temperature; a controller connected to the first temperature sensor and the second temperature sensor, for controlling the indoor fan, the outdoor fan and the air-swinging structure according to the method of controlling an air conditioner of any of the above embodiments.
According to the air conditioner disclosed by the embodiment of the invention, in the cooling mode or the heating mode, the controller responds to the starting instruction of starting the mute or sleep mode, the indoor fan is controlled to reduce the rotating speed, the coil temperature of the indoor heat exchanger is acquired from the first temperature sensor, and the wind swinging angle of the indoor wind swinging structure is adjusted according to the coil temperature of the indoor heat exchanger, so that the noise of the air conditioner is effectively reduced. The controller still acquires indoor ambient temperature from second temperature sensor department to according to the rotational speed of indoor ambient temperature adjustment outdoor fan, pinch the ambient temperature with the adaptability adjustment, thereby guarantee the air conditioner refrigeration or heat the effect, can reduce the noise of air conditioner simultaneously to a certain extent, promote user's comfort level.
In order to achieve the above object, a computer-readable storage medium according to a third embodiment of the present invention is a computer program stored thereon, wherein the computer program is configured to implement the method for controlling an air conditioner according to any one of the above embodiments when executed.
According to the computer readable storage medium of the embodiment of the invention, the computer program is stored on the storage medium, when the computer program is executed, the computer program can read the instruction and obtain the operation parameters of each component in the air conditioner, and calculate and process the operation parameters and the like, and has memory for the operation state of each component in the air conditioner, so that the method for controlling the air conditioner of any one of the above embodiments is realized, the comfort of a user is ensured, and the noise of the air conditioner can be effectively reduced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flowchart of a method of controlling an air conditioner according to an embodiment of the present invention;
fig. 2 is a flowchart of a method of controlling an air conditioner according to another embodiment of the present invention;
fig. 3 is a flowchart of a method of controlling an air conditioner according to still another embodiment of the present invention;
fig. 4 is a flowchart of a method of controlling an air conditioner according to still another embodiment of the present invention;
fig. 5 is a flowchart of a method of controlling an air conditioner according to still another embodiment of the present invention;
fig. 6 is a block diagram of an air conditioner according to an embodiment of the present invention.
Reference numerals:
an air conditioner 100;
the air conditioner comprises a compressor 1, an indoor heat exchanger 2, an outdoor heat exchanger 3, a throttling unit 4, an indoor fan 5, an outdoor fan 6, an air swinging structure 7, a first temperature sensor 8, a second temperature sensor 9 and a controller 10.
Detailed Description
Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.
In order to solve the problem that the noise reduction effect is not ideal when the air conditioner enters a mute or sleep mode, the embodiment of the invention provides a method for controlling the air conditioner and the air conditioner adopting the method.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The air conditioner performs a cooling/heating cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. Wherein the refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies a refrigerant to the air that has been conditioned and heat-exchanged.
The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and the heat is released to the surrounding environment through the condensation process.
The expansion valve expands the high-temperature and high-pressure liquid-phase refrigerant condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a refrigerating effect by heat exchange with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.
The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.
The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.
An air conditioner according to some embodiments of the present application includes an air conditioner indoor unit installed in an indoor space. The indoor unit, i.e., the indoor unit, is connected to an outdoor unit, i.e., the outdoor unit, installed in an outdoor space through a pipe. The outdoor unit of the air conditioner may be provided with a compressor, an outdoor heat exchanger, an outdoor fan, an expander, and the like for a refrigeration cycle, and the indoor unit of the air conditioner may be provided with an indoor heat exchanger and an indoor fan.
A method of controlling an air conditioner according to an embodiment of the present invention will be described with reference to fig. 1 to 5. Note that the step numbers such as S1 to S5 in the present application are only for convenience of describing the present embodiment, and are not to be construed as limiting the order of the steps. That is, the execution order of steps S1 to S5, for example, may be specifically determined according to actual needs, and is not limited to the control in the order of steps in the following embodiments.
In some embodiments of the present invention, as shown in fig. 1, a flowchart of a method for controlling an air conditioner according to an embodiment of the present invention is provided, wherein the method for controlling the air conditioner includes steps S1-S5, which are described as follows.
S1, responding to a start instruction of starting a mute or sleep mode, and controlling an indoor fan to reduce the rotating speed.
When the air conditioner is in an operating state, a user selects to enter a mute or sleep mode, for example, a start instruction for starting the mute or sleep mode is sent to the air conditioner through a remote controller of the air conditioner, a touch-controllable electronic display screen in the air conditioner, a mobile terminal and other modules with a human-computer interaction function, and the air conditioner responds to the start instruction to enter the mute or sleep mode. The air conditioner should have an indoor fan with a second gear or above, and after the air conditioner enters the mute or sleep mode, the rotating speed of the indoor fan is reduced, for example, after the mute or sleep mode is started, the indoor fan can be operated by reducing the first gear, or before the mute or sleep mode is started, the indoor fan is operated at the lowest gear, and after the mute or sleep mode is started, the indoor fan is still operated according to the lowest gear. Taking the indoor fan with the function of three wind gears, namely a high wind gear, a medium wind gear and a low wind gear as an example, if the indoor fan operates at the high wind gear in the front room in the start-mute or sleep mode, the indoor fan is reduced to operate at the medium wind gear after the start-mute or sleep mode, if the indoor fan operates at the medium wind gear in the front room in the start-mute or sleep mode, the indoor fan is reduced to operate at the low wind gear after the start-mute or sleep mode, and if the indoor fan operates at the low wind gear in the front room in the start-mute or sleep mode, the indoor fan still operates at the low wind gear after the start-mute or sleep mode. The noise of the air conditioner can be reduced to a certain extent by reducing the rotating speed of the fan.
S2, acquiring the temperature of the coil of the indoor heat exchanger.
In an embodiment, the indoor heat exchanger includes a coil therein, and a temperature sensor may be provided in the indoor heat exchanger to detect a temperature of the coil. After the indoor fan is controlled to reduce the rotating speed, the running time of the air conditioner is recorded, the running time reaches the preset time, and the temperature of the coil pipe of the indoor heat exchanger is obtained. The preset time period can be set according to needs or under laboratory conditions, for example, the preset time period can be set to 2 minutes, that is, the coil temperature is detected 2 minutes after the air conditioner enters a silent or sleep mode, and the detected coil temperature of the indoor heat exchanger is stable.
And S3, adjusting the wind swinging angle of the indoor wind swinging structure according to the temperature of the coil pipe of the indoor heat exchanger.
The indoor air swinging structure can comprise indoor air swinging fan blades arranged in the vertical direction and air swinging fan blades arranged in the horizontal direction, wherein the air swinging fan blades arranged in the vertical direction can swing left and right to change the left and right air outlet directions, and the air swinging fan blades arranged in the horizontal defensive line can swing up and down to change the up and down air outlet directions.
For example, in the heating mode, when the coil temperature of the indoor heat exchanger is low, the indoor air swing structure is controlled to be adjusted to the minimum allowable air swing angle, for example, the angle of the air swing fan blades arranged in the vertical direction is controlled to be adjusted to the minimum angle, and the angle of the air swing fan blades arranged in the horizontal direction is controlled to be adjusted to the minimum angle, or when the coil temperature of the indoor heat exchanger is high, the current air swing angle of the indoor air swing structure is maintained unchanged. For another example, in the cooling mode, when the temperature of the coil of the indoor heat exchanger is high, the indoor air-swinging structure is controlled to be adjusted to the minimum allowable air-swinging angle, for example, the angle of the air-swinging fan blades arranged in the vertical direction is controlled to be adjusted to the minimum angle, and the angle of the air-swinging fan blades arranged in the horizontal direction is controlled to be adjusted to the minimum angle, or when the temperature of the coil of the indoor heat exchanger is low, the current air-swinging angle of the indoor air-swinging structure is maintained unchanged. The air swing angle of the indoor air swing structure is further adjusted on the basis of reducing the air speed of the indoor fan, so that the noise of the air conditioner is effectively reduced.
And S4, acquiring the indoor environment temperature. Wherein a temperature sensor may be provided to collect the indoor ambient temperature.
And S5, adjusting the rotating speed of the outdoor fan according to the indoor environment temperature.
In an embodiment, the indoor ambient temperature is the temperature most directly sensed by a human body, and the main purpose of the air conditioner is to adjust the indoor ambient temperature to meet the user's demand in a cooling mode or a heating mode.
In the cooling or heating mode, after the mute or sleep mode is started, the air speed of the indoor fan and the swing angle of the indoor swing structure are adjusted to reduce the noise of the air conditioner, but if only the air speed of the indoor fan and the swing angle of the indoor swing structure are adjusted, the cooling or heating effect of the air conditioner may be affected. For example, after the air speed of the indoor fan is reduced or the air swing angle of the indoor air swing structure is controlled to be reduced, the problems of poor refrigerating or heating effect and the like can occur, the rotating speed of the outdoor fan is adjusted according to the indoor environment temperature adaptability, and the noise of the air conditioner can be prevented from causing too large interference to the indoor environment while the comfort of a user is ensured.
Specifically, for example, in the heating mode, if the indoor ambient temperature is low, the heating effect of the air conditioner needs to be improved, and the heating effect is improved by adjusting the outdoor fan to operate at a higher wind level. Or in the refrigeration mode, if the indoor environment temperature is higher, the refrigeration effect of the air conditioner needs to be improved, and the refrigeration effect is improved by adjusting the outdoor fan to operate at a higher wind shield. Through adjusting outdoor fan rotational speed, guarantee the refrigeration or the heating capacity of air conditioner, can not cause too big interference to indoor simultaneously, compare in the mode that promotes indoor fan's wind shelves in order to promote indoor ambient temperature, the noise of production is littleer. For another example, in a heating or cooling mode, if the indoor environment temperature is appropriate, the heating or cooling effect of the air conditioner does not need to be improved, the outdoor fan can be controlled to operate at a lower wind level, and the noise generated when the outdoor fan operates is reduced while the heating or cooling effect is ensured.
According to the method for controlling the air conditioner, the air swinging angle of the indoor air swinging structure is further adjusted according to the temperature of the coil pipe of the indoor heat exchanger on the basis of reducing the air speed of the indoor fan when the air conditioner enters a mute or sleep mode, so that the noise of the air conditioner is effectively reduced. On the basis of reducing the rotating speed of the indoor fan and adjusting the swing angle of the indoor swing structure, the rotating speed of the outdoor fan is adjusted according to the indoor environment temperature, the indoor environment temperature can be adaptively adjusted, the refrigerating and heating effects of the air conditioner are guaranteed, the comfort level of a user is guaranteed, and the noise of the air conditioner can be reduced to a certain extent.
In some embodiments of the present invention, as shown in fig. 2, there is a flowchart of a method for controlling an air conditioner according to another embodiment of the present invention, wherein the swing angle of the indoor swing structure is adjusted according to the coil temperature of the indoor heat exchanger, i.e. the above step S3 includes steps S31-S33, which are as follows.
And S31, detecting the heating mode of the air conditioner.
In an embodiment, after the air conditioner is started to operate, the air conditioner is detected to operate in a heating mode, and at the moment, an indoor heat exchanger of the air conditioner is used as a condenser, and an outdoor heat exchanger of the air conditioner is used as an evaporator.
And S32, determining that the temperature of the coil pipe of the indoor heat exchanger is lower than a first preset temperature, and controlling the indoor air swinging structure to be adjusted to the minimum allowable air swinging angle.
Wherein, the first preset temperature is recorded as T1, the first preset temperature T1 can be set according to the requirement or under the laboratory condition, and the value of the first preset temperature T1 is more than or equal to 45 ℃ and less than or equal to 65 ℃. Specifically, since when the coil temperature of the indoor heat exchanger is close to 60 ℃, the evaporator temperature is easily caused to be too high, so that the compressor pressure is caused to be too high, the compressor protector is triggered to protect and stop the machine, and then the first preset temperature T1 can be set to 55 ℃.
In an embodiment, in the heating mode, when the collected coil temperature of the indoor heat exchanger is less than the first preset temperature T1, the coil temperature of the indoor heat exchanger is low, and the indoor swing structure is controlled to be adjusted to a minimum allowable swing angle, for example, the swing fan blade angle arranged in the vertical direction is controlled to be adjusted to a minimum angle, and the swing fan blade angle arranged in the horizontal direction is controlled to be adjusted to a minimum angle. The air swing angle of the indoor air swing structure is further reduced on the basis of reducing the air speed of the indoor fan, so that the noise of the air conditioner is effectively reduced.
S33, determining that the temperature of the coil pipe of the indoor heat exchanger is greater than or equal to a first preset temperature, and maintaining the current swing angle of the indoor swing structure unchanged.
Specifically, when the coil temperature of the indoor heat exchanger who gathers was greater than or equal to first preset temperature T1, the coil temperature of indoor heat exchanger was higher, and the evaporimeter temperature probably was too high this moment, maintained the current pendulum wind angle of indoor pendulum wind structure unchangeable, thereby can prevent the evaporimeter high temperature and cause compressor pressure too high to trigger the condition that compressor protector protection caused the shut down.
In some embodiments of the present invention, as shown in fig. 3, which is a flowchart of a method of controlling an air conditioner according to another embodiment of the present invention, wherein the rotation speed of the outdoor fan is adjusted according to the indoor ambient temperature, i.e., the above step S5 includes steps S51 and S52, as follows.
And S51, determining that the indoor environment temperature is lower than a second preset temperature, and controlling the outdoor fan to operate at a first speed gear, wherein the second preset temperature is lower than the first preset temperature.
The second preset temperature H can be recorded as H, and a value of the second preset temperature H can be set in a system debugging process of the air conditioner or under a laboratory condition. For example, when the second preset temperature H is set to 12 ℃, if the indoor ambient temperature is lower than the second preset temperature H, the outdoor fan is controlled to operate at the first speed.
Specifically, for example, the outdoor fan of the air conditioner includes two rotation speed gears such as a high gear and a low gear, the high gear is set as a first rotation speed gear, the low gear is set as a second rotation speed gear, and if the indoor ambient temperature is less than a second preset temperature H, the outdoor fan is controlled to operate at the high gear. For another example, the outdoor fan of the air conditioner includes more than two rotational speed gears, such as a high gear, a medium gear, a low gear, and a low gear, etc., the high gear and the medium gear may be set as a first rotational speed gear, the low gear and the low gear may be set as a second rotational speed gear, and if the indoor ambient temperature is less than the second preset temperature H, the outdoor fan is controlled to operate at the high gear or the medium gear.
Under the heating mode, when indoor ambient temperature is less than the second and predetermines temperature H, indoor ambient temperature is lower, needs to promote the effect of heating of air conditioner, is first rotational speed gear through adjusting outdoor fan rotational speed, can keep outdoor fan operation in higher gear, promotes the effect of heating, can not cause too big interference to indoor simultaneously, compares in the mode that the gear that promotes indoor fan promoted indoor ambient temperature, and the noise of production is littleer.
And S52, determining that the indoor environment temperature is greater than or equal to a second preset temperature, and controlling the outdoor fan to operate at a second rotating speed gear, wherein the rotating speed corresponding to the second rotating speed gear is less than the rotating speed corresponding to the first rotating speed gear. In this case, the second predetermined temperature H is 14 ℃.
Specifically, taking the example that the outdoor fan of the air conditioner includes two rotation speed gears, such as a high gear and a low gear, the high gear is set as a first rotation speed gear, the low gear is set as a second rotation speed gear, and if the indoor environment temperature is greater than or equal to a second preset temperature H, the outdoor fan is controlled to operate at the low gear. For another example, the outdoor fan of the air conditioner includes more than two rotational speed gears, such as a high gear, a medium gear, a low gear, and a gentle gear, etc., the high gear and the medium gear may be set as a first rotational speed gear, the low gear and the gentle gear may be set as a second rotational speed gear, and if the indoor ambient temperature is greater than or equal to the second preset temperature H, the outdoor fan is controlled to operate at the low gear or the gentle gear.
Under the heating mode, when the indoor ambient temperature is greater than or equal to the second preset temperature H, the indoor ambient temperature is proper, the heating effect of the air conditioner does not need to be improved, the rotating speed of the outdoor fan is adjusted to be the second rotating speed gear, the rotating speed corresponding to the second rotating speed gear is smaller than the rotating speed corresponding to the first rotating speed gear, the outdoor fan can be kept running at the lower gear, the heating effect is guaranteed, and meanwhile, the noise generated when the outdoor fan runs is reduced.
In some embodiments of the present invention, as shown in fig. 4, there is a flowchart of a method for controlling an air conditioner according to another embodiment of the present invention, wherein the swing angle of the indoor swing structure is adjusted according to the coil temperature of the indoor heat exchanger, i.e. step S3 above further includes steps S34-S36, as follows.
And S34, detecting the air conditioner operation cooling mode.
In an embodiment, after the air conditioner is started to operate, the air conditioner is detected to operate in a cooling mode, and at the moment, an indoor heat exchanger of the air conditioner is used as an evaporator, and an outdoor heat exchanger of the air conditioner is used as a condenser.
And S35, determining that the temperature of the coil pipe of the indoor heat exchanger is greater than or equal to a third preset temperature, and controlling the indoor air swinging structure to be adjusted to the minimum allowable air swinging angle.
The third preset temperature is recorded as T2, the third preset temperature T2 can be set according to needs or under laboratory conditions, and the value of the third preset temperature T2 is more than 0 ℃ and less than or equal to T2 and less than or equal to 8 ℃. Specifically, since when the coil temperature of the indoor heat exchanger approaches 0 ℃, the evaporator temperature is easily caused to be too low to be frozen, thereby affecting heat dissipation, the third preset temperature T2 may be set to 2 ℃.
In an embodiment, in the cooling mode, when the collected coil temperature of the indoor heat exchanger is greater than or equal to the third preset temperature T2, the coil temperature of the indoor heat exchanger is higher, and the indoor swing structure is controlled to be adjusted to the minimum allowable swing angle, for example, the swing fan blade angle arranged in the vertical direction is controlled to be adjusted to the minimum angle, and the swing fan blade angle arranged in the horizontal direction is controlled to be adjusted to the minimum angle. The air swing angle of the indoor air swing structure is further reduced on the basis of reducing the air speed of the indoor fan, so that the noise of the air conditioner is effectively reduced.
And S36, determining that the temperature of the coil pipe of the indoor heat exchanger is lower than a third preset temperature, and maintaining the current swing angle of the indoor swing structure unchanged.
Specifically, when the coil temperature of the indoor heat exchanger collected is less than the third preset temperature T2, the coil temperature of the indoor heat exchanger is low, the temperature of the evaporator is low at the moment, the current swing angle of the indoor swing structure is maintained unchanged, and the evaporator temperature is prevented from being too low to freeze so as to influence heat dissipation.
In some embodiments of the present invention, as shown in fig. 5, there is a flowchart of a method of controlling an air conditioner according to another embodiment of the present invention, wherein the rotation speed of the outdoor fan is adjusted according to the indoor ambient temperature, i.e., the above step S5 includes steps S53 and S54, which are as follows.
And S53, determining that the indoor environment temperature is lower than a fourth preset temperature, and controlling the outdoor fan to operate at a second rotating speed gear, wherein the fourth preset temperature is higher than the third preset temperature.
The fourth preset temperature C may be recorded as C, and a value of the fourth preset temperature C may be set in a system debugging process of the air conditioner or under a laboratory condition. For example, when the fourth preset temperature C is set to 29 ℃, if the indoor environment temperature is lower than the fourth preset temperature C, the outdoor fan is controlled to operate at the second speed gear.
Specifically, for example, the outdoor fan of the air conditioner includes two rotation speed gears, such as a high gear and a low gear, the high gear is set as a first rotation speed gear, the low gear is set as a second rotation speed gear, and if the indoor ambient temperature is less than a fourth preset temperature C, the outdoor fan is controlled to operate at the low gear. For another example, the outdoor fan of the air conditioner includes more than two rotational speed gears, such as a high gear, a medium gear, a low gear, and a gentle gear, etc., the high gear and the medium gear may be set as a first rotational speed gear, the low gear and the gentle gear may be set as a second rotational speed gear, and if the indoor environment temperature is less than the fourth preset temperature C, the outdoor fan is controlled to operate at the low gear or the gentle gear.
Under the refrigeration mode, when indoor ambient temperature is less than fourth preset temperature C, indoor ambient temperature is comparatively suitable, need not to promote the refrigeration effect of air conditioner, is the second rotational speed gear through adjusting outdoor fan rotational speed, can keep outdoor fan operation in lower gear, when guaranteeing the refrigeration effect, reduces the noise that outdoor fan produced when operation.
And S54, determining that the indoor environment temperature is greater than or equal to a fourth preset temperature, and controlling the outdoor fan to operate at a first rotating speed gear, wherein the rotating speed corresponding to the second rotating speed gear is less than the rotating speed corresponding to the first rotating speed gear. Wherein, the fourth preset temperature C is 31 ℃ for example.
Specifically, taking the example that the outdoor fan of the air conditioner includes two rotation speed gears, such as a high gear and a low gear, the high gear is set as a first rotation speed gear, the low gear is set as a second rotation speed gear, and if the indoor environment temperature is greater than or equal to a second preset temperature H, the outdoor fan is controlled to operate at the low gear. For another example, the outdoor fan of the air conditioner includes more than two rotational speed gears, such as a high gear, a medium gear, a low gear, and a gentle gear, etc., the high gear and the medium gear may be set as a first rotational speed gear, the low gear and the gentle gear may be set as a second rotational speed gear, and if the indoor ambient temperature is greater than or equal to the fourth preset temperature C, the outdoor fan is controlled to operate at the low gear or the gentle gear.
Under the refrigeration mode, when indoor ambient temperature is more than or equal to the fourth temperature C of predetermineeing, indoor ambient temperature is higher suitable, then need promote the refrigeration effect of air conditioner, be first rotational speed gear through adjusting outdoor fan rotational speed, and the second rotational speed gear corresponds the rotational speed and is less than first rotational speed gear and corresponds the rotational speed, can keep outdoor fan operation in higher gear, promote the refrigeration effect, can not cause too big interference to the indoor simultaneously, compare in the mode that the gear that promotes indoor fan reduces indoor ambient temperature, the noise of production is littleer.
In some embodiments of the present invention, the method for controlling an air conditioner according to the present invention is applied to a north american 10K mobile air conditioner, as shown in table 1, and is a comparison table of the improvement effect when a user selects to enter a sleep mode in a heating mode. Wherein, the air conditioner product is designed according to DOE (DESIGN OF EXPERIMENT) standard.
TABLE 1
As shown in table 1, when the air conditioner is operated in the heating mode, the user selects to enter the sleep mode, and the set indoor ambient temperature is 21 ℃. The air conditioner product adopting the existing scheme has the noise value at the front of the machine of 57.41dB, the noise value at the back of the machine of 59.61dB, the heating capacity of 3635W and the power of 1452W. The air conditioner product adopting the technical scheme of the invention has the noise value at the front of the machine of 54.81dB, the noise value at the back of the machine of 57.31dB, the heating capacity of 3561W and the power of 1439W. Under the conditions of the same operation mode and the same indoor environment temperature, compared with the air conditioner product adopting the existing scheme, the air conditioner product adopting the technical scheme of the invention greatly reduces the noise of the whole machine, and has no obvious difference between the heating capacity and the power. When the method for controlling the air conditioner is applied to actual products, the noise of the whole air conditioner can be effectively reduced, and the comfort level of a user can be ensured.
In some embodiments of the present invention, as shown in fig. 6, a block diagram of an air conditioner according to an embodiment of the present invention is shown, wherein the air conditioner 100 includes a compressor 1, an indoor heat exchanger 2, an outdoor heat exchanger 3, a throttling unit 4, an indoor fan 5, an outdoor fan 6, a swinging structure 7, a first temperature sensor 8, a second temperature sensor 9, and a controller 10.
The coil pipe is arranged in the indoor heat exchanger 2, and the first temperature sensor 8 can be arranged in the indoor heat exchanger 2 and used for collecting the temperature of the coil pipe of the indoor heat exchanger 2.
The second temperature sensor 9 is used to detect the indoor ambient temperature. The position of the second temperature sensor 9 is not limited, for example, the second temperature sensor 9 may be disposed at an air inlet of an indoor unit of the air conditioner 100 to detect the air temperature at the air inlet of the indoor unit as the indoor ambient temperature.
The controller 10 is connected with the first temperature sensor 8 and the second temperature sensor 9 for controlling the indoor fan 5, the outdoor fan 6, and the wind swinging structure 7 according to the method of controlling an air conditioner of the above first aspect embodiment.
The controller 10 may obtain and respond to a start instruction for starting the mute or sleep mode, obtain the temperature parameters detected by the first temperature sensor 8 and the second temperature sensor 9, and calculate and process the obtained temperature parameters.
Specifically, when a user has a requirement for starting a mute mode or a sleep mode, the controller 10 responds to a starting instruction for starting the mute mode or the sleep mode, controls the indoor fan 5 to reduce the rotating speed, obtains the coil temperature of the indoor heat exchanger from the first temperature sensor 8, analyzes and processes the coil temperature of the indoor heat exchanger 2, and adjusts the wind swinging angle of the indoor wind swinging structure 7 according to the coil temperature of the indoor heat exchanger 2, so that the noise of the air conditioner is reduced more effectively. And the indoor environment temperature is obtained from the second temperature sensor 9, the rotating speed of the outdoor fan 6 is adjusted according to the indoor environment temperature, the refrigerating or heating effect of the air conditioner is guaranteed, and meanwhile, the noise of the air conditioner cannot cause great interference to the indoor environment.
According to the air conditioner 100 of the embodiment of the invention, in the cooling mode or the heating mode, the controller 10 responds to the start instruction of the start mute or sleep mode, controls the indoor fan 5 to reduce the rotating speed, obtains the coil temperature of the indoor heat exchanger 2 from the first temperature sensor 8, and adjusts the wind swinging angle of the indoor wind swinging structure 7 according to the coil temperature of the indoor heat exchanger 2, thereby more effectively reducing the noise of the air conditioner. The controller 10 also obtains the indoor ambient temperature from the second temperature sensor 9, and adjusts the rotating speed of the outdoor fan 6 according to the indoor ambient temperature, so that the adaptive adjustment is the ambient temperature, thereby ensuring the refrigeration or heating effect of the air conditioner, and simultaneously reducing the noise of the air conditioner 100 to a certain extent, and improving the comfort level of users.
In some embodiments of the present invention, a computer-readable storage medium is also provided, on which a computer program is stored, the computer program, when executed, implementing the method of controlling an air conditioner of any of the above embodiments.
According to the computer readable storage medium of the embodiment of the invention, the computer program is stored on the storage medium, when the computer program is executed, the computer program can read the instruction and obtain the operation parameters of each component in the air conditioner, and calculate and process the operation parameters and the like, and has memory for the operation state of each component in the air conditioner, so that the method for controlling the air conditioner of any one of the above embodiments is realized, the comfort of a user is ensured, and the noise of the air conditioner can be effectively reduced.
Other configurations and operations of the air conditioner 100 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. A method of controlling an air conditioner, comprising:
responding to a starting instruction for starting a mute or sleep mode, and controlling the indoor fan to reduce the rotating speed;
acquiring the coil temperature of an indoor heat exchanger;
adjusting the air swinging angle of an indoor air swinging structure according to the temperature of a coil pipe of the indoor heat exchanger;
acquiring the indoor environment temperature;
adjusting the rotating speed of an outdoor fan according to the indoor environment temperature;
wherein, the coil pipe temperature of obtaining the indoor heat exchanger includes:
after controlling the indoor fan to reduce the rotating speed, recording the running time of the air conditioner;
when the running time reaches a preset time, acquiring the temperature of a coil of the indoor heat exchanger;
wherein, according to the indoor heat exchanger's coil pipe temperature adjustment indoor pendulum wind angle of structure includes:
detecting an air conditioner running refrigeration mode;
determining that the temperature of a coil pipe of the indoor heat exchanger is greater than or equal to a third preset temperature, and controlling the indoor air swinging structure to adjust to a minimum allowable air swinging angle;
determining that the temperature of a coil pipe of the indoor heat exchanger is lower than the third preset temperature, and maintaining the current swing angle of the indoor swing structure unchanged;
wherein, according to indoor heat exchanger's coil pipe temperature adjustment indoor pendulum wind angle of structure still includes:
detecting a heating mode of the air conditioner;
determining that the temperature of a coil pipe of the indoor heat exchanger is lower than a first preset temperature, and controlling the indoor air swinging structure to be adjusted to a minimum allowable air swinging angle;
and determining that the temperature of the coil pipe of the indoor heat exchanger is greater than or equal to the first preset temperature, and maintaining the current swing angle of the indoor swing structure unchanged.
2. The method of controlling an air conditioner according to claim 1, wherein adjusting a rotation speed of an outdoor fan according to the indoor ambient temperature includes:
determining that the indoor environment temperature is lower than a second preset temperature, and controlling an outdoor fan to operate at a first speed gear, wherein the second preset temperature is lower than the first preset temperature;
and determining that the indoor environment temperature is greater than or equal to the second preset temperature, and controlling the outdoor fan to operate at a second rotating speed gear, wherein the rotating speed corresponding to the second rotating speed gear is less than the rotating speed corresponding to the first rotating speed gear.
3. The method of claim 1, wherein the first preset temperature T1 is selected from the group consisting of: t1 is more than or equal to 45 ℃ and less than or equal to 65 ℃.
4. The method of controlling an air conditioner according to claim 1, wherein adjusting a rotation speed of an outdoor fan according to the indoor ambient temperature includes:
determining that the indoor environment temperature is lower than a fourth preset temperature, and controlling an outdoor fan to operate at a second rotating speed gear, wherein the fourth preset temperature is higher than the third preset temperature;
and determining that the indoor environment temperature is greater than or equal to the fourth preset temperature, and controlling the outdoor fan to operate at a first rotating speed gear, wherein the rotating speed corresponding to the second rotating speed gear is less than the rotating speed corresponding to the first rotating speed gear.
5. The method of claim 4, wherein the third preset temperature T2 is set to a value: t2 is more than 0 ℃ and less than or equal to 8 ℃.
6. An air conditioner, comprising:
the system comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger and a throttling unit;
the system comprises an indoor fan, an outdoor fan and a wind swinging structure;
the first temperature sensor is used for collecting the temperature of a coil of the indoor heat exchanger;
the second temperature sensor is used for collecting the indoor environment temperature;
a controller connected to the first temperature sensor and the second temperature sensor, for controlling the indoor fan, the outdoor fan and the wind swinging structure according to the method of controlling an air conditioner of any one of claims 1 to 5.
7. A computer-readable storage medium on which a computer program is stored, characterized in that the computer program, when executed, implements the method of controlling an air conditioner of any one of claims 1-5.
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| CN115560456A (en) * | 2022-10-31 | 2023-01-03 | 青岛海尔空调器有限总公司 | Control method and device for wall-mounted air conditioner indoor unit and wall-mounted air conditioner indoor unit |
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