CN112944619A - Method and device for controlling air outlet of air conditioner, air conditioner and storage medium - Google Patents
Method and device for controlling air outlet of air conditioner, air conditioner and storage medium Download PDFInfo
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- CN112944619A CN112944619A CN202110192478.9A CN202110192478A CN112944619A CN 112944619 A CN112944619 A CN 112944619A CN 202110192478 A CN202110192478 A CN 202110192478A CN 112944619 A CN112944619 A CN 112944619A
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- 238000010438 heat treatment Methods 0.000 description 32
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- 238000005057 refrigeration Methods 0.000 description 3
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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Abstract
The invention discloses a method and a device for controlling air outlet of an air conditioner, the air conditioner and a storage medium, wherein the method comprises the following steps: detecting that the air conditioner heats; controlling the air conditioner to enter a first air outlet mode; recording the initial indoor environment temperature entering the first air outlet mode; obtaining an indoor environment temperature difference according to the current indoor environment instantaneous temperature and the initial indoor environment temperature; and determining that the indoor environment temperature difference is greater than a preset temperature difference threshold value, and controlling the air conditioner to be switched from the first air outlet mode to the second air outlet mode. The method, the device and the air conditioner can quickly heat, quickly balance the indoor temperature field and improve the comfort.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a method for controlling air outlet of an air conditioner, a device for controlling air outlet of the air conditioner, the air conditioner and a computer storage medium.
Background
For the air conditioner with large-sized air deflector, when the air conditioner is operated in heating mode, the air deflector is usually controlled to shield the air outlet direction so as to force the hot air to sink, thereby realizing the so-called "floor wind". However, this "floor wind" mode actually increases the wind-out resistance, causes energy efficiency loss in long-term operation, and spatial temperature distribution is uneven, and the comfort is low.
And the air outlet of the traditional air conditioner is usually deviated to the upper part in the air, namely the so-called flat blowing. However, in the 'flat blowing' mode, hot air is difficult to sink, so that heat is layered in space, the lower body of a user is cold, and the comfort is low.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, a first objective of the present invention is to provide a method for controlling the outlet air of an air conditioner, which can quickly balance the indoor temperature field and improve the comfort.
A second object of the invention is to propose a computer storage medium.
The third purpose of the invention is to provide a device for controlling the air outlet of the air conditioner.
A fourth object of the present invention is to provide an air conditioner.
In order to achieve the above object, a method for controlling outlet air of an air conditioner according to an embodiment of a first aspect of the present invention includes: detecting that the air conditioner heats; controlling the air conditioner to enter a first air outlet mode; recording the initial indoor environment temperature entering the first air outlet mode; obtaining an indoor environment temperature difference according to the current indoor environment instantaneous temperature and the initial indoor environment temperature; determining that the indoor environment temperature difference is greater than a preset temperature difference threshold value, and controlling the air conditioner to be switched from the first air outlet mode to a second air outlet mode; the first indoor area is an indoor low-altitude area, and the first rotating speed is smaller than a first rotating speed threshold value; and under the second air outlet mode, controlling the fan to operate at a second rotating speed, and controlling the air deflector to rotate to a second angle so as to enable the outlet air to blow towards a second indoor area, wherein the second indoor area is arranged above the first indoor area, the second rotating speed is greater than a second rotating speed threshold value, and the second rotating speed threshold value is greater than the first rotating speed threshold value.
According to the method for controlling the air outlet of the air conditioner, when the air conditioner heats, a first air outlet mode and a second air outlet mode are combined, wherein in the first air outlet mode, the fan operates at a first rotating speed and the air deflector rotates to a first angle so that the air outlet blows to an indoor low-altitude area, the temperature of the indoor low altitude can be increased, and the purpose of quickly heating is achieved, in the second air outlet mode, the fan operates at a second rotating speed and the air deflector rotates to a second angle so that the air outlet blows to an indoor high-altitude area, the second rotating speed is obviously higher than the first rotating speed, the purpose of quickly stirring the indoor air temperature can be achieved when the temperature gradient exists in the indoor high-altitude area, and when the temperature difference of an indoor environment is higher than a preset temperature difference threshold value, the air conditioner is controlled to be switched from the first air outlet mode to the second air outlet mode, so that the temperature field of the indoor space can be quickly improved, the heating capacity is reasonably distributed, the balance of an indoor temperature field is quickly realized, the temperature gradient is reduced, and the comfort is improved.
In some embodiments, after obtaining an indoor ambient temperature difference from a current indoor ambient instantaneous temperature and the initial indoor ambient temperature, the method further comprises: and determining that the indoor environment temperature difference is smaller than or equal to the preset temperature threshold value, and controlling the air conditioner to maintain the first air outlet mode.
In some embodiments, the method further comprises: recording a first indoor environment temperature at a first moment and a second indoor environment temperature at a second moment in the second air outlet mode, wherein the second moment is separated from the first moment by a preset time length; obtaining the indoor temperature change rate within the preset time according to the first indoor environment temperature and the second indoor environment temperature; and determining that the indoor temperature change rate is smaller than or equal to a preset change rate threshold value, and controlling the air conditioner to be switched from the second air outlet mode to the first air outlet mode.
In some embodiments, after obtaining the rate of change of the indoor temperature for the preset time period from the first indoor ambient temperature and the second indoor ambient temperature, the method further comprises: and determining that the indoor temperature change rate is greater than the preset change rate threshold value, and controlling the air conditioner to maintain the second air outlet mode.
In some embodiments, the method further comprises: and controlling the air conditioner to alternately operate the first air outlet mode and the second air outlet mode according to the indoor environment temperature difference and the indoor temperature change rate.
In some embodiments, the second indoor area is a horizontal outlet area corresponding to the outlet or an outlet area above the outlet level.
The computer storage medium of the embodiment of the second aspect of the present invention stores a computer program thereon, and the computer program is executed by a processor to implement the method for controlling the air outlet of the air conditioner.
In order to achieve the above object, an apparatus for controlling outlet air of an air conditioner according to an embodiment of the third aspect of the present invention includes: the detection module is used for detecting that the air conditioner heats; the recording module is used for recording the initial indoor environment temperature entering the first air outlet mode; the control module is used for controlling the air conditioner to enter a first air outlet mode, obtaining an indoor environment temperature difference according to the current indoor environment instantaneous temperature and the initial indoor environment temperature, determining that the indoor environment temperature difference is greater than a preset temperature difference threshold value, and controlling the air conditioner to be switched from the first air outlet mode to a second air outlet mode; in the first air outlet mode, a fan of the air conditioner is controlled to operate at a first rotating speed, and an air deflector of the air conditioner is controlled to rotate to a first angle so that air is blown to a first indoor area, wherein the first indoor area is an indoor low-altitude area, and the first rotating speed is smaller than a first rotating speed threshold value; and under the second air outlet mode, controlling the fan to operate at a second rotating speed, and controlling the air deflector to rotate to a second angle so as to enable the outlet air to blow towards a second indoor area, wherein the second indoor area is arranged above the first indoor area, the second rotating speed is greater than a second rotating speed threshold value, and the second rotating speed threshold value is greater than the first rotating speed threshold value.
According to the device for controlling the air outlet of the air conditioner, when the air conditioner is controlled to heat, a first air outlet mode and a second air outlet mode are combined, the fan operates at a first rotating speed and the air deflector rotates to a first angle so that the air outlet blows to an indoor low-altitude area, the temperature of the indoor low altitude can be increased, the purpose of quickly heating is achieved, the fan operates at a second rotating speed and the air deflector rotates to a second angle so that the air outlet blows to an indoor medium-altitude area, the second rotating speed is obviously higher than the first rotating speed, the purpose of quickly stirring the indoor air temperature can be achieved when a temperature gradient exists between the indoor upper area and the indoor lower area, when the indoor environment temperature difference is determined to be higher than a preset temperature difference threshold value, the air conditioner is controlled to be switched from the first air outlet mode to the second air outlet mode, the indoor space temperature field can be quickly improved, and the heating quantity can be reasonably distributed, the indoor temperature field is balanced quickly, the temperature gradient is reduced, and the comfort is improved.
In order to achieve the above object, an air conditioner according to a fourth aspect of the present invention includes: the air guide plate and the fan; the temperature sensor is used for acquiring the indoor environment temperature; the air conditioner comprises a processor and a memory which is in communication connection with the processor, wherein a computer program which can be executed by the processor is stored in the memory, and the processor executes the computer program to realize the method for controlling the air outlet of the air conditioner.
According to the air conditioner provided by the embodiment of the invention, when the processor executes the computer program in the memory, the method for controlling the air outlet of the air conditioner is realized, and when heating is carried out, the first air outlet mode and the second air outlet mode are combined, so that the temperature field of an indoor space can be rapidly improved, the heating quantity is reasonably distributed, the balance of the indoor temperature field is rapidly realized, the temperature gradient is reduced, and the comfort is improved.
In some embodiments, the temperature sensor is disposed at an air inlet of the air conditioner.
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 for controlling outlet air of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic view of the wind outlet directions and the indoor temperature difference distribution of the first wind outlet mode and the second wind outlet mode according to an embodiment of the invention;
fig. 3 is a flowchart of a method for controlling outlet air of an air conditioner according to an embodiment of the present invention;
fig. 4 is a flowchart of a method for controlling outlet air of an air conditioner according to another embodiment of the present invention;
fig. 5 is a block diagram of an apparatus for controlling outlet air of an air conditioner according to an embodiment of the present invention;
fig. 6 is a block diagram of an air conditioner according to an embodiment of the present invention.
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.
The air conditioner performs a refrigeration cycle by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies 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 heat is released to the surrounding environment through the condensation process.
The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state 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 cooling effect by heat-exchanging 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.
A method for controlling outlet air of an air conditioner according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 to 3.
Fig. 1 is a flowchart of a method for controlling outlet air of an air conditioner according to an embodiment of the present invention, and as shown in fig. 1, the method of the embodiment of the present invention at least includes the following steps S1-S3, which are described in detail below.
And S1, detecting the air conditioner to operate in a heating mode.
In an embodiment, a user may select an operation mode and set mode parameters of the air conditioner through a remote controller and transmit a remote control signal to the air conditioner, for example, select a heating mode. The air conditioner receives the remote control signal, starts the heating mode and operates the heating mode according to the mode parameters.
And S2, acquiring the indoor environment temperature.
Specifically, the indoor ambient temperature may be sensed by an indoor temperature sensor, and the sensed indoor ambient temperature may be transmitted to a processor of the air conditioner.
In some embodiments, the indoor ambient temperature may be set at the air outlet, the temperature of the air inlet may also change significantly with changes in the indoor ambient temperature, and the indoor ambient temperature sensor collects the temperature of the air outlet as the indoor ambient temperature.
And S3, controlling the air conditioner to alternately operate the first air outlet mode and the second air outlet mode according to the indoor environment temperature.
In an embodiment, in the first air outlet mode, the fan of the air conditioner is controlled to operate at a first rotation speed, and the air deflector of the air conditioner is controlled to rotate to a first angle so that the outlet air is blown to a first indoor area, the first indoor area is an indoor low-altitude area, and the first rotation speed is smaller than a first rotation speed threshold. The indoor low-altitude area may be a floor area or an area close to the floor, and the purpose of warming the feet or the lower body of the human body is achieved in this mode.
And under a second air outlet mode, the fan is controlled to operate at a second rotating speed, and the air deflector is controlled to rotate to a second angle so that the outlet air blows towards a second indoor area, wherein the second indoor area is arranged above the first indoor area, the second rotating speed is greater than a second rotating speed threshold value, and the second rotating speed threshold value is greater than the first rotating speed threshold value. In some embodiments, the second indoor area is a horizontal outlet area corresponding to the outlet or an outlet area above the outlet level. In this mode, the purpose is to stir the temperature of the indoor temperature field in which a temperature gradient exists.
Fig. 2 is a schematic view of the outlet direction of the air deflector and the distribution of the indoor temperature field in the first outlet mode and the second outlet mode according to an embodiment of the present invention.
In the arrangement of the air deflector as shown in fig. 2, the first angle may be a position which is opened from the closing direction of the air outlet to the opening direction, such as a limit position of the air deflector moving downwards, or other angle positions, so that the wind blows towards the low-altitude area in the room, such as the ground area, and the feet or the lower body of the human body is preferably warmed. In the first air-out mode, the fan is controlled to operate at a first rotating speed to output the air quantity Q1, the air quantity Q1 is smaller than the air quantity Q2 output by the fan in the second air-out mode, and at the moment, the air-out temperature is higher, and the air deflector is controlled to rotate to a first angle to ensure that hot air is guided downwards. As shown in fig. 2, at this time, the air conditioner discharges air toward the indoor floor, that is, a so-called "floor wind" is realized.
In an embodiment, as shown in fig. 2, the second angle may be a position where the air deflector is closed from the opening direction of the outlet to the closing direction, for example, the second angle is an angle corresponding to the air deflector when the air volume is maximum, or another angle, so that the air is blown to the second indoor area, that is, the air is blown to the upper part of the indoor low-altitude area, and preferably, the air is blown to a position area horizontal to or above the outlet as shown in fig. 2. Under the second air-out mode, the fan is controlled to operate at a second rotating speed, the air-out volume is Q2, the second rotating speed is greater than the first rotating speed, so that the component Q2 is obviously higher than the air volume Q1, and the air deflector is controlled to horizontally blow or blow air to an indoor overhead area, so that the purposes of stirring and balancing the temperature in the temperature field can be achieved when the temperature difference exists in the temperature field.
As shown in fig. 2, in the heating mode, when the first air outlet mode is operated, the temperature of the indoor low-altitude area gradually increases with time, and the temperature of the lower part of the indoor temperature field is higher and the temperature of the upper part is cooler, so that a temperature gradient is gradually generated, and the comfort of the human body is reduced. When the second air outlet mode is operated, the temperature in the temperature field can be rapidly stirred under the condition that the indoor temperature field is uneven, for example, the lower temperature is higher than the upper temperature, so that the indoor temperature is rapid and uniform, and the weakening of the temperature gradient is realized.
In the embodiment of the invention, the first air outlet mode and the second air outlet mode are combined, and the two modes are switched according to the change of the indoor environment temperature, namely the angle of the air deflector and the rotating speed of the fan are adjusted. For example, in the first air outlet mode, as the air conditioner operates, the temperature of the indoor low-altitude area gradually rises, hot air rises under the action of density, and when the low-altitude temperature begins to overflow, in order to reduce discomfort caused by temperature gradient to human body, the stirring and mixing of the indoor air temperature needs to be increased, and then the second air outlet mode can be switched. Under the second air-out mode, control aviation baffle to second angle is in order to raise the air-out angle, makes the air-out blow to indoor high-altitude area, for example the air-out blow to with air outlet horizontal position or above position and increase the air output to can rapid mixing room air make its mix, reduce temperature gradient, improve indoor travelling comfort. Furthermore, when the indoor temperature does not change or changes little any more, the air conditioner can be switched to the first air outlet mode, and the first air outlet mode and the second air outlet mode are executed alternately, so that the heating purpose can be achieved quickly, the adverse effect of indoor temperature field unevenness on human bodies can be reduced, and the comfort is improved.
According to the method for controlling the air outlet of the air conditioner, when the air conditioner heats, a first air outlet mode and a second air outlet mode are combined, wherein in the first air outlet mode, the fan operates at a first rotating speed and the air deflector rotates to a first angle so that the air outlet blows to an indoor low-altitude area, the temperature of the indoor low altitude can be increased, and the purpose of quickly heating is achieved, in the second air outlet mode, the fan operates at a second rotating speed and the air deflector rotates to a second angle so that the air outlet blows to an indoor high-altitude area, the second rotating speed is obviously higher than the first rotating speed, the purpose of quickly stirring the indoor air temperature can be achieved when the indoor high-altitude area and the indoor low-altitude area have a temperature gradient, the indoor space temperature field can be quickly improved and the heating quantity can be reasonably distributed by controlling the air conditioner to alternately execute the first air outlet mode and the second air outlet mode according to the indoor environment temperature, the indoor temperature field is balanced quickly, the temperature gradient is reduced, and the comfort is improved.
In the embodiment of the invention, under the heating mode, the switching time of the first air-out mode and the second air-out mode is controlled according to the change of the indoor environment temperature.
Specifically, fig. 3 is a flowchart of a method for controlling outlet air of an air conditioner according to an embodiment of the present invention, including the following steps:
and S101, detecting that the air conditioner performs heating.
And S102, controlling the air conditioner to enter a first air outlet mode.
And S103, recording the initial indoor environment temperature entering the first air outlet mode.
And S104, obtaining the indoor environment temperature difference according to the current indoor environment instantaneous temperature and the initial indoor environment temperature.
And S105, determining that the indoor environment temperature difference is greater than a preset temperature difference threshold value, and controlling the air conditioner to be switched from the first air outlet mode to the second air outlet mode.
For example, when a heating mode of the air conditioner is detected, the air conditioner is controlled to enter a first air outlet mode, in the first air outlet mode, the fan is controlled to operate at a first rotation speed to output an air volume Q1, at this time, the air outlet temperature is higher, the air deflector of the air conditioner is controlled to operate at an angle α 1, for example, α 1 may be a limit position of downward movement of the air deflector as set in fig. 2, the air deflector operates at the angle α 1 to ensure that hot air is guided downward, and a processor of the air conditioner records the indoor ambient temperature at this time to serve as an initial indoor ambient temperature entering the first air outlet mode. The temperature of the indoor low-altitude area can be gradually increased along with the operation of the system, hot air rises under the action of density, therefore, the indoor environment temperature such as the air inlet temperature of an air conditioner can be gradually increased, a temperature variation threshold value, namely a preset temperature difference threshold value delta 1, for example, 2 ℃, is set, the current indoor environment instantaneous temperature is obtained, the indoor environment temperature difference delta 2, namely the instantaneous temperature variation is calculated, and the indoor environment temperature difference delta 2 is equal to the current indoor environment instantaneous temperature-the initial indoor environment temperature. If the indoor environment temperature delta 2 is larger than the preset temperature threshold delta 1, the temperature of the indoor low-altitude area begins to overflow, stirring and mixing for increasing the indoor temperature are the first time, and the second air-out mode is switched.
In some embodiments, the indoor environment temperature difference is determined to be less than or equal to the preset temperature threshold, and the air conditioner is controlled to maintain the first air outlet mode. For example, if the indoor environment temperature difference Δ 2 is less than or equal to the preset temperature threshold Δ 1, which indicates that there is a significant layering between the temperature of the low-altitude area and the temperature of the middle-upper area, the second air-out mode is switched to be unfavorable for reducing the vertical temperature difference, so that the air conditioner is controlled to maintain the first air-out mode.
According to the method for controlling the air outlet of the air conditioner, when the air conditioner heats, the air conditioner is controlled to enter the first air outlet mode, the purpose of rapid heating can be achieved, when the indoor environment temperature difference is larger than the preset temperature difference threshold value, the air conditioner is controlled to be switched from the first air outlet mode to the second air outlet mode, the indoor space temperature field can be rapidly improved, the heating capacity is reasonably distributed, the balance of the indoor temperature field is rapidly realized, the temperature gradient is reduced, and the comfort is improved.
In the embodiment, in the second air-out mode, a first indoor ambient temperature at a first moment and a second indoor ambient temperature at a second moment in the second air-out mode are recorded, wherein the second moment is separated from the first moment by a preset time length; obtaining an indoor temperature change rate within a preset time according to the first indoor environment temperature and the second indoor environment temperature; and determining that the indoor temperature change rate is smaller than or equal to a preset change rate threshold value, and controlling the air conditioner to be switched from the second air outlet mode to the first air outlet mode. Or determining that the indoor temperature change rate is larger than a preset change rate threshold value, and controlling the air conditioner to maintain the second air outlet mode.
For example, when the air conditioner enters the second air outlet mode, the angle of the air deflector is adjusted to be a second angle α 2, the second angle α 2 may be the angle of the air deflector corresponding to the maximum air supply amount, and the fan is controlled to operate at the second rotation speed, the air amount is Q2, and Q2 is significantly higher than Q1, for example, Q1 is about 480m3H, Q2 about 620m3And h, the air outlet of the air conditioner blows out horizontally or upwards at the moment, so that the indoor temperature is uniform and fast, and the temperature gradient is weakened. The parameter for controlling the second outlet mode conversion is an indoor temperature change rate β, where β is (first indoor ambient temperature — second indoor ambient temperature)/a preset time period, for example, β is (indoor ambient temperature before 5min — current indoor ambient temperature)/5 min. For the second air-out mode, the air volume is large, so that the indoor air can be rapidly stirred and mixed, therefore, when the change rate of the inlet air temperature within a certain time difference, namely the indoor temperature change rate beta is less than or equal to a preset change rate threshold value, for example, equal to zero, the temperature in the indoor space is considered to be basically uniform, no temperature gradient exists, and the first air-out mode is switched to at this moment. Or determining that the indoor temperature change rate beta is greater than a preset change rate threshold value, considering that a temperature gradient still exists in the indoor space temperature field, controlling the air conditioner to maintain the second air outlet mode, namely, continuously stirring the indoor air until the temperature is determined to be uniform, and switching to the first air outlet mode.
In some embodiments, the comfort of the indoor environment within a certain period of time, for example, two hours, can be improved by controlling the air conditioner to alternately operate the first air outlet mode and the second air outlet mode according to the indoor environment temperature difference and the indoor temperature change rate.
For example, the air conditioner is controlled to enter a first air outlet mode to obtain an initial indoor environment temperature when the air conditioner is detected to operate to heat, an indoor environment temperature difference is obtained according to the current indoor environment instantaneous temperature and the initial indoor environment temperature, the indoor environment temperature difference is determined to be larger than a preset temperature difference threshold value, and the air conditioner is controlled to be switched from the first air outlet mode to a second air outlet mode. And entering a second air-out mode, obtaining the indoor temperature change rate at two moments separated by preset time, determining that the indoor temperature change rate is less than or equal to a preset change rate threshold value, and controlling the air conditioner to be switched into the first air-out mode from the second air-out mode. And thirdly, obtaining an indoor environment temperature difference in the first air-out mode, determining whether to switch the air-out mode according to the indoor environment temperature difference, and repeatedly operating the first air-out mode and the second air-out mode alternately.
As above, the switching time of the first air-out mode and the second air-out mode is controlled according to the indoor environment temperature difference and the indoor environment temperature change rate, so that the first air-out mode and the second air-out mode can be operated alternately, the heat can be quickly generated, the discomfort caused by the upper and lower temperature difference of the indoor space can be reduced, and the comfort is improved.
TABLE 1 relevant parameters for reference in the operation and switching between the first air-out mode and the second air-out mode
| Item | First air-out mode | Second air-out mode |
| Air quantity | Q1 | Q2 |
| Temperature difference of indoor environment | Δ1 | —— |
| Wind deflector angleDegree of rotation | α1 | α2 |
| Rate of change of indoor ambient temperature | —— | β |
Fig. 4 is a flowchart of a method for controlling outlet air of an air conditioner according to an embodiment of the present invention, referring to parameters shown in table 1, as shown in fig. 4, the method includes:
and S100, Q is Q1, and alpha is alpha 1, namely, the first air outlet mode is executed, and the heating operation is carried out for 10 min. Wherein, alpha is the angle of the air deflector, and Q is the air outlet quantity.
S101, obtaining the indoor environment temperature difference delta 1.
S102, judging whether delta 1 is greater than delta or not, wherein delta is a preset temperature difference threshold value. If yes, the process proceeds to step S103, and if not, the process returns to step S100.
And S103, Q is Q2, and α is α 2, that is, the second air-out mode is executed, and the heating operation is performed for 10 min.
And S104, obtaining the indoor environment temperature change rate beta.
S105 determines whether β is 0, and if so, the process proceeds to step S100, and if not, the process proceeds to step S103.
Taking the following application scenarios as an example, if the initial indoor ambient temperature of the heating working condition is 20 ℃, the air conditioner is turned on to operate the heating mode, and the current indoor ambient temperature detection value recorded by the main control of the air conditioner is 20 ℃. At this time, the air conditioner operates in a first air outlet mode, namely, the air deflector is positioned at an angle of alpha 1 to blow air towards the indoor ground, the fan operates at a first rotating speed, and the air quantity is Q1-480 m3H is used as the reference value. When the air conditioner runs for a period of time, the heat on the ground slowly floats to the upper part of the indoor space, the current indoor environment instantaneous temperature is 23 ℃, delta 1 is 23-20 ℃ and is more than 2 ℃, the air conditioner is switched to a second air outlet mode, namely the air deflector moves to a flat blowing modeThe angle alpha 2, and the fan is controlled to operate at the second rotating speed, and the output air quantity Q2 is 620m3The room temperature was stirred uniformly, assuming a mixing temperature of 25 ℃. Because the air current is more even, the indoor ambient temperature is 25 ℃ all the time within 5min, then beta is 0, at this moment, switches into first air-out mode by the second air-out mode. During the operation for a period of time, the air in the upper space of the room is not heated continuously, the temperature of the low-altitude area of the room is heated, the heat can overflow, if the delta 1 is higher than 2 ℃ again, the mode switching is repeated, and if the delta 1 is lower than 2 ℃, the first air outlet mode is maintained unchanged. Thus, the first air outlet mode and the second air outlet mode are alternately executed.
According to the method for controlling the air outlet of the air conditioner, during heating operation, the first air outlet mode and the second air outlet mode are combined, the first air outlet mode is operated at the beginning, the air volume is small, the air outlet temperature is increased, the feet or the lower body of a user can feel temperature change firstly, and the user feels mild due to low hot air speed and experiences good; after the temperature in space appears changing in a certain time, switch to second air-out mode, the amount of wind is big this moment, thereby, the upper portion of indoor space forms low-pressure area, with this hot-air that stimulates the space lower part shifts up rapidly, in addition because the wind speed can be with the temperature field intensive mixing on space upper portion greatly, make the temperature promote rapidly and even, the temperature that appears certain decline in indoor low-altitude area switches to first air-out mode again, with this two kinds of air-out modes of alternate operation, make the space temperature field improve rapidly, with heating capacity rational distribution, user experience is better.
An embodiment of a second aspect of the present invention provides a computer storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method for controlling outlet air of an air conditioner of the above embodiment.
An apparatus for controlling outlet air of an air conditioner according to a third embodiment of the present invention will be described with reference to fig. 5.
As shown in fig. 5, the apparatus 10 for controlling air outlet of an air conditioner according to an embodiment of the present invention includes a detection module 11, a recording module 12, and a control module 13.
The detection module 11 is used for detecting that the air conditioner performs heating; the recording module 12 is configured to record an initial indoor environment temperature entering the first air outlet mode; the control module 13 is used for controlling the air conditioner to enter a first air outlet mode, obtaining an indoor environment temperature difference according to the current indoor environment instantaneous temperature and the initial indoor environment temperature, determining that the indoor environment temperature difference is greater than a preset temperature difference threshold value, and controlling the air conditioner to switch from the first air outlet mode to a second air outlet mode.
In an embodiment, in a first air outlet mode, a fan of an air conditioner is controlled to operate at a first rotating speed, and an air deflector of the air conditioner is controlled to rotate to a first angle so as to blow outlet air to a first indoor area, wherein the first indoor area is an indoor low-altitude area, and the first rotating speed is smaller than a first rotating speed threshold value; and under a second air outlet mode, the fan is controlled to operate at a second rotating speed, and the air deflector is controlled to rotate to a second angle so that the outlet air blows towards a second indoor area, wherein the second indoor area is arranged above the first indoor area, the second rotating speed is greater than a second rotating speed threshold value, and the second rotating speed threshold value is greater than the first rotating speed threshold value.
In an embodiment, as shown in fig. 2, the first angle may be a position where the air guiding plate is opened from the closing direction of the air outlet to the opening direction, such as an extreme position of the air guiding plate moving downward, or other angle positions, so as to make it possible to blow the wind to a low-altitude area in the room, such as a ground area, to give priority to warm feet or lower body of a human body. The second angle may be a position where the outlet is closed from the opening direction to the closing direction, for example, the second angle is an angle corresponding to the air deflector when the air blowing amount is the maximum, or another angle, so that the outlet blows toward the second indoor area, that is, the outlet blows toward the upper side of the indoor low-altitude area, and preferably, the outlet blows toward a position area horizontal to or above the outlet.
According to the device 10 for controlling the air outlet of the air conditioner of the embodiment of the invention, when the air conditioner is controlled to heat, a first air outlet mode and a second air outlet mode are combined, the fan is operated at a first rotating speed and the air deflector rotates to a first angle so that the air outlet blows to an indoor low-altitude area, the temperature of the indoor low altitude can be increased, and the purpose of rapid heating is achieved, the fan is operated at a second rotating speed and the air deflector rotates to a second angle so that the air outlet blows to an indoor high-altitude area, the second rotating speed is obviously higher than the first rotating speed, the purpose of rapid stirring of the indoor air temperature can be achieved when a temperature gradient exists in the indoor high-altitude area, and when the temperature difference of the indoor environment is determined to be higher than a preset temperature difference threshold value, the control module 13 controls the air conditioner to switch from the first air outlet mode to the second air outlet mode, so that the temperature field of the indoor space can be rapidly improved, the heating capacity is reasonably distributed, the balance of an indoor temperature field is quickly realized, the temperature gradient is reduced, and the comfort is improved.
An air conditioner according to a fourth aspect of the present invention will be described with reference to fig. 6.
As shown in fig. 6, the air conditioner 100 according to the embodiment of the present invention includes a wind deflector 101, a fan 102, a temperature sensor 103, a processor 104, and a memory 105.
The air deflector 101 can be used for adjusting the air outlet direction of the air conditioner, and the fan 102 can adjust the output air volume. The temperature sensor 103 is used for collecting the indoor ambient temperature, and in some embodiments, the temperature sensor 103 may be disposed at the air inlet of the air conditioner 100, that is, detect the temperature at the air inlet as the indoor ambient temperature.
The processor 104 may be a main control unit of the air conditioner 100, and the memory 105 is in communication connection with the processor 104, wherein the memory 105 stores a computer program executable by the processor 105, and the processor 104 implements the method for controlling air outlet of the air conditioner according to the above embodiment when executing the computer program.
According to the air conditioner 100 of the embodiment of the present invention, when the processor 105 executes the computer program in the memory 105, the method for controlling the air outlet of the air conditioner of the above embodiment is implemented, and when heating is performed, the first air outlet mode and the second air outlet mode are combined, so that the temperature field of the indoor space can be rapidly improved, the heating capacity can be reasonably distributed, the indoor temperature field can be rapidly balanced, the temperature gradient can be reduced, and the comfort can be improved.
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 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A method for controlling air outlet of an air conditioner is characterized by comprising the following steps:
detecting that the air conditioner heats;
controlling the air conditioner to enter a first air outlet mode;
recording the initial indoor environment temperature entering the first air outlet mode;
obtaining an indoor environment temperature difference according to the current indoor environment instantaneous temperature and the initial indoor environment temperature;
determining that the indoor environment temperature difference is greater than a preset temperature difference threshold value, and controlling the air conditioner to be switched from the first air outlet mode to a second air outlet mode;
in the first air outlet mode, a fan of the air conditioner is controlled to operate at a first rotating speed, and an air deflector of the air conditioner is controlled to rotate to a first angle so that air is blown to a first indoor area, wherein the first indoor area is an indoor low-altitude area, and the first rotating speed is smaller than a first rotating speed threshold value;
and under the second air outlet mode, controlling the fan to operate at a second rotating speed, and controlling the air deflector to rotate to a second angle so as to enable the outlet air to blow towards a second indoor area, wherein the second indoor area is arranged above the first indoor area, the second rotating speed is greater than a second rotating speed threshold value, and the second rotating speed threshold value is greater than the first rotating speed threshold value.
2. The method of controlling outlet air of an air conditioner according to claim 1, wherein after obtaining an indoor environment temperature difference from a current indoor environment instantaneous temperature and the initial indoor environment temperature, the method further comprises:
and determining that the indoor environment temperature difference is smaller than or equal to the preset temperature threshold value, and controlling the air conditioner to maintain the first air outlet mode.
3. The method for controlling outlet air of an air conditioner according to claim 1, further comprising:
recording a first indoor environment temperature at a first moment and a second indoor environment temperature at a second moment in the second air outlet mode, wherein the second moment is separated from the first moment by a preset time length;
obtaining the indoor temperature change rate within the preset time according to the first indoor environment temperature and the second indoor environment temperature;
and determining that the indoor temperature change rate is smaller than or equal to a preset change rate threshold value, and controlling the air conditioner to be switched from the second air outlet mode to the first air outlet mode.
4. The method of controlling outlet air of an air conditioner according to claim 3, wherein after obtaining the indoor temperature change rate within the preset time period from the first indoor ambient temperature and the second indoor ambient temperature, the method further comprises:
and determining that the indoor temperature change rate is greater than the preset change rate threshold value, and controlling the air conditioner to maintain the second air outlet mode.
5. The method for controlling outlet air of an air conditioner according to claim 3, characterized in that the method further comprises:
and controlling the air conditioner to alternately operate the first air outlet mode and the second air outlet mode according to the indoor environment temperature difference and the indoor temperature change rate.
6. The method for controlling air outlet of an air conditioner according to any one of claims 1 to 5, wherein the second indoor area is a corresponding air outlet horizontal air outlet area or an air outlet area above the corresponding air outlet level.
7. A computer storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the method of controlling outlet air of an air conditioner according to any one of claims 1 to 6.
8. The utility model provides a device of control air conditioner air-out which characterized in that includes:
the detection module is used for detecting that the air conditioner heats;
the recording module is used for recording the initial indoor environment temperature entering the first air outlet mode;
the control module is used for controlling the air conditioner to enter a first air outlet mode, obtaining an indoor environment temperature difference according to the current indoor environment instantaneous temperature and the initial indoor environment temperature, determining that the indoor environment temperature difference is greater than a preset temperature difference threshold value, and controlling the air conditioner to be switched from the first air outlet mode to a second air outlet mode;
in the first air outlet mode, a fan of the air conditioner is controlled to operate at a first rotating speed, and an air deflector of the air conditioner is controlled to rotate to a first angle so that air is blown to a first indoor area, wherein the first indoor area is an indoor low-altitude area, and the first rotating speed is smaller than a first rotating speed threshold value;
and under the second air outlet mode, controlling the fan to operate at a second rotating speed, and controlling the air deflector to rotate to a second angle so as to enable the outlet air to blow towards a second indoor area, wherein the second indoor area is arranged above the first indoor area, the second rotating speed is greater than a second rotating speed threshold value, and the second rotating speed threshold value is greater than the first rotating speed threshold value.
9. An air conditioner, comprising:
the air guide plate and the fan;
the temperature sensor is used for acquiring the indoor environment temperature;
the air conditioner comprises a processor and a memory which is in communication connection with the processor, wherein a computer program which can be executed by the processor is stored in the memory, and when the computer program is executed by the processor, the method for controlling air outlet of the air conditioner is realized according to any one of claims 1-6.
10. The air conditioner of claim 9, wherein the temperature sensor is disposed at an air inlet of the air conditioner.
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| CN114326852A (en) * | 2021-11-23 | 2022-04-12 | 中建二局第一建筑工程有限公司 | Constant temperature control method, device, controller and storage medium |
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Address after: 266100 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Applicant after: Hisense Air Conditioning Co.,Ltd. Address before: 266100 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Applicant before: HISENSE (SHANDONG) AIR-CONDITIONING Co.,Ltd. |
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