CN110887186A - Method and device for controlling reliable air outlet of unit and unit - Google Patents
Method and device for controlling reliable air outlet of unit and unit Download PDFInfo
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- CN110887186A CN110887186A CN201911061437.5A CN201911061437A CN110887186A CN 110887186 A CN110887186 A CN 110887186A CN 201911061437 A CN201911061437 A CN 201911061437A CN 110887186 A CN110887186 A CN 110887186A
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- air
- unit
- mode
- controlling
- air inlet
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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
- F24F11/74—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
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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
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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
Abstract
The invention discloses a method, a device and a unit for controlling reliable air outlet of the unit, wherein the method comprises the following steps: determining the operation mode of the unit; when the operation mode is a heating mode, detecting whether the unit enters a cold air prevention mode or a defrosting mode; and if the unit enters a cold air prevention mode or a defrosting mode, controlling the unit to wind out through a side wind outlet and wind back through a lower wind outlet. Therefore, when in the cold air prevention mode or the defrosting mode, air does not need to be blown out through the lower air opening, and the inner fan does not need to be controlled to stop running so as to avoid blowing out cold air. The pressure of the unit can be guaranteed to be in a normal range, so that the user experience is met, the defrosting effect is improved, and the reliability of the unit is improved.
Description
Technical Field
The invention relates to the technical field of units, in particular to a method, a device and a unit for controlling reliable air outlet of the unit.
Background
At present, when the existing air conditioner operates in a cooling mode or a heating mode, an air outlet and an air return outlet are usually fixed. In such a structure, when the air conditioner enters the heating mode, the cold air prevention mode is usually turned on. The inner fan is closed, and the opening time of the inner fan is controlled according to the pipe temperature of the inner pipeline, so that the influence on the use experience of a user due to the fact that cold air is blown out is avoided. However, this method is likely to cause the system pressure to be too high, and the reliability of the air conditioner is reduced. In the defrosting process of the air conditioner, the inner fan needs to be closed for improving indoor comfort, so that the system pressure is too low, the defrosting time is longer, defrosting is not clean, and even the heating effect is poor.
Aiming at the problems that in the related art, the reliability of a unit is reduced and the heating effect of the unit is poor due to the fact that an air conditioner closes an inner fan in a cold air prevention mode and a defrosting mode, an effective solution is not provided at present.
Disclosure of Invention
In order to solve the technical problems that in the related art, the reliability of the unit is reduced and the heating effect of the unit is poor due to the fact that the air conditioner is in the cold air prevention mode and the defrosting mode and the inner fan is closed, the embodiment of the invention provides a method, a device and the unit for controlling the unit to reliably output air.
In a first aspect, an embodiment of the present invention provides a method for controlling air outlet of a unit, where the method includes:
determining the operation mode of the unit;
when the operation mode is a heating mode, detecting whether the unit enters a cold air prevention mode or a defrosting mode;
and if the unit enters the cold air prevention mode or the unit enters the defrosting mode, controlling the unit to discharge air through a side air outlet and return air through a lower air outlet of the unit.
Further, after determining the operation mode of the unit, the method further comprises:
and when the operation mode is a refrigeration mode, controlling the unit to discharge air through the side air outlet and return air through the lower air inlet.
Further, when the operation mode is a heating mode, after detecting whether the unit enters a cold air prevention mode or a defrosting mode, the method further includes:
and if the unit does not enter the cold air prevention mode and the unit does not enter the defrosting mode, controlling the unit to discharge air through the lower air outlet and return air through the side air inlet.
Further, control the unit through down wind mouth air-out, side wind mouth return air, include:
controlling the operation of the air outlet fan blade and the motor at the lower air inlet, and controlling the opening of the filtering device at the lower air inlet so as to enable the unit to be air-out through the lower air inlet;
and controlling the air outlet fan blade and the motor at the side air inlet to stop running, and controlling the filter device at the side air inlet to be closed so that the unit returns air through the side air inlet.
Further, control the unit through the side wind gap air-out of self, down wind gap return air, include:
controlling the operation of the air outlet fan blade and the motor at the side air inlet, and controlling the opening of the filter device at the side air inlet so as to enable the unit to be air-out through the side air inlet;
and controlling the air outlet fan blade and the motor at the lower air inlet to stop running, and controlling the filter device at the lower air inlet to be closed so that the unit returns air through the lower air inlet.
Further, after detecting whether the unit enters a cold air prevention mode or a defrosting mode, the method further includes:
if the unit enters the cold air prevention mode, controlling the electric auxiliary heat device to be started;
judging whether the temperature of the inner pipeline meets a first preset condition or not;
if so, controlling the unit to discharge air through the lower air outlet and return air through the side air inlet.
Further, after detecting whether the unit enters a cold air prevention mode or a defrosting mode, the method further includes:
if the unit enters the defrosting mode, controlling an electric auxiliary heating device to be started;
judging whether the temperature of the outer pipeline meets a second preset condition or not;
if so, controlling the unit to discharge air through the lower air outlet and return air through the side air inlet.
Further, the first preset condition is that: the temperature of the inner pipeline is greater than or equal to a first preset value.
Further, the second preset condition is that: the temperature of the outer pipeline is greater than or equal to a second preset value.
In a second aspect, an embodiment of the present invention provides an apparatus for controlling outlet air of a unit, where the apparatus is configured to perform the method according to the first aspect, and the apparatus includes:
the determining module is used for determining the operation mode of the unit;
the detection module is used for detecting whether the unit enters a cold air prevention mode or a defrosting mode when the operation mode is a heating mode;
and the control module is used for controlling the unit to wind out through a side wind outlet and wind back through a lower wind outlet if the unit enters the cold air prevention mode or the unit enters the defrosting mode.
Further, the control module is further configured to control the unit to discharge air through the side air outlet and return air through the lower air inlet when the operation mode is the cooling mode after the operation mode of the unit is determined.
Further, the control module is further configured to, when the operation mode is the heating mode, detect whether the unit enters a cold air prevention mode or a defrosting mode, and if the unit does not enter the cold air prevention mode and the unit does not enter the defrosting mode, control the unit to discharge air through the lower air outlet and return air through the side air outlet.
Furthermore, the control module is also used for controlling the operation of the air outlet fan blade and the motor at the lower air inlet and controlling the opening of the filtering device at the lower air inlet so as to enable the unit to be air-out through the lower air inlet; and controlling the air outlet fan blade and the motor at the side air inlet to stop running, and controlling the filter device at the side air inlet to be closed so that the unit returns air through the side air inlet.
Furthermore, the control module is also used for controlling the air outlet fan blades and the motor at the side air inlet to operate, and controlling the filter device at the side air inlet to be opened so as to enable the unit to outlet air through the side air inlet; and controlling the air outlet fan blade and the motor at the lower air inlet to stop running, and controlling the filter device at the lower air inlet to be closed so that the unit returns air through the lower air inlet.
Further, the control module is further configured to control the electric auxiliary heating device to be turned on if the unit enters the cold air prevention mode after detecting whether the unit enters the cold air prevention mode or the defrosting mode;
judging whether the temperature of the inner pipeline meets a first preset condition or not;
if so, controlling the unit to discharge air through the lower air outlet and return air through the side air inlet.
Further, the control module is further configured to detect whether the unit enters a cold air prevention mode or a defrosting mode, and control the electric auxiliary heating device to be turned on if the unit enters the defrosting mode;
judging whether the temperature of the outer pipeline meets a second preset condition or not;
if so, controlling the unit to discharge air through the lower air outlet and return air through the side air inlet.
In a third aspect, an embodiment of the present invention provides an assembly, where the assembly includes the device of the second aspect, and the assembly is an air conditioner.
The technical scheme of the invention is applied, and the method comprises the following steps: determining the operation mode of the unit; when the operation mode is a heating mode, detecting whether the unit enters a cold air prevention mode or a defrosting mode; and if the unit enters a cold air prevention mode or a defrosting mode, controlling the unit to wind out through a side wind outlet and wind back through a lower wind outlet. Therefore, when in the cold air prevention mode or the defrosting mode, air does not need to be blown out through the lower air opening, and the inner fan does not need to be controlled to stop running so as to avoid blowing out cold air. The pressure of the unit can be guaranteed to be in a normal range, so that the user experience is met, the defrosting effect is improved, and the reliability of the unit is improved.
Drawings
Fig. 1 is a flowchart of a method for controlling outlet air of a unit according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a side outlet and a lower outlet air return mode of the unit according to the embodiment of the invention;
fig. 3 is a flowchart of a method for controlling outlet air of a unit according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a down-draft outlet and a side-draft outlet air return mode of the unit according to the embodiment of the invention;
fig. 5 is a flowchart of a method for controlling outlet air of a unit according to an embodiment of the present invention;
FIG. 6 is a flow chart of a method for controlling outlet air of a unit according to an embodiment of the present invention;
fig. 7 is a flowchart of a method for controlling outlet air of a unit according to an embodiment of the present invention;
fig. 8 is a block diagram of an apparatus for controlling outlet air of a unit according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments, it being understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
In order to solve the technical problems that the reliability of a unit is reduced and the heating effect of the unit is deteriorated due to the fact that an inner fan is turned off in a cold air prevention mode and a defrosting mode of an air conditioner, an embodiment of the invention provides a method for controlling the unit to reliably output air, and as shown in fig. 1, the method comprises the following steps:
step S101, determining an operation mode of a unit;
step S102, when the operation mode is the heating mode, detecting whether the unit enters a cold air prevention mode or a defrosting mode;
and S103, if the unit enters a cold air prevention mode or a defrosting mode, controlling the unit to wind air out through a side air outlet and wind air return through a lower air outlet.
Therefore, when in the cold air prevention mode or the defrosting mode, air does not need to be blown out through the lower air opening, and the inner fan does not need to be controlled to stop running so as to avoid blowing out cold air. The pressure of the unit can be guaranteed to be in a normal range, so that the user experience is met, and meanwhile, the reliability and the comfort of the unit are improved. And the selling points of the air conditioner can be increased, and the market competitiveness of the product is improved.
It can be understood that the unit can be an air conditioner, when the air conditioner just starts to operate in a heating mode, the temperature of the inner pipeline is low, the blown air is cold air, the use experience of a user can be influenced, and a cold air prevention mode can be set. In the prior art, the inner fan of the air conditioner stops running in the cold air prevention mode. In this implementation, in the cold air prevention mode, the inner fan does not need to stop running, but the air outlet mode of the air conditioner is controlled to be air outlet through the side air outlet and air return through the lower air outlet (as shown in fig. 2), that is, the side air outlet is used as the air outlet, and the lower air outlet is used as the air return outlet. Therefore, the phenomenon that the air outlet of the lower air outlet directly blows to a user to influence the use experience of the user can be avoided. When the air conditioner runs in a heating mode, the air conditioner can enter a defrosting mode at regular time so as to prevent the surface of an outer machine heat exchanger from frosting and reduce the heat exchange efficiency. In the implementation mode, the inner fan does not need to stop running in the defrosting mode, but the air outlet mode of the air conditioner is controlled to be air outlet through the side air outlet and air return through the lower air outlet. The air outlet of the lower air outlet is prevented from being directly blown to a user, the user can normally defrost while using experience is guaranteed, and the heating effect is prevented from being poor due to incomplete defrosting. And the inner fan normally operates, so that the over-high system pressure can be prevented, and the reliability of the unit is improved.
In a possible implementation manner, as shown in fig. 3, after determining the operation mode of the unit in step S101, the method further includes:
and step S104, controlling the unit to wind out through the side wind outlet and wind back through the lower wind inlet when the operation mode is the refrigeration mode.
Understandably, in this embodiment, the air-out mode is reverse air-out, specifically is: in the cooling mode, the unit is controlled to discharge air through the side air outlet and return air through the lower air inlet (as shown in fig. 2), so that cold air can be prevented from blowing to users. In the heating mode, air is discharged from the lower air outlet, and air is returned from the side air inlet (as shown in fig. 4). Because the hot air can come up, during the mode of heating, adopt this kind of air-out mode can be when heating indoor air, guarantee user's use and experience. And when the operation mode is a heating mode, after detecting whether the unit enters a cold air prevention mode or a defrosting mode, the method further comprises the following steps: and if the unit does not enter the cold air prevention mode and the unit does not enter the defrosting mode, controlling the unit to discharge air through the lower air outlet and return air through the side air inlet. It can be understood that when the unit does not enter the defrosting mode and does not enter the cold air prevention mode, the unit normally operates in the heating mode, and the air outlet mode is air outlet through the lower air outlet and air return through the side air inlet. At this time, each component of the air conditioner operates in the heating mode. And the electric auxiliary heating device of the air conditioner can be opened according to the user requirement, for example: and determining whether the starting is needed according to factors such as the temperature set by a user, the ambient temperature in the room and the like.
In a possible implementation manner, as shown in fig. 4, the controlling unit outputs air through the lower air outlet and returns air through the side air inlet, including: controlling the air outlet fan blade and the motor 4 at the lower air inlet to operate, and controlling the filter device at the lower air inlet to be opened so as to enable the unit to be exhausted through the lower air inlet; and controlling the air outlet fan blade at the side air inlet and the motor 3 to stop running, and controlling the filter device at the side air inlet to be closed so that the unit returns air through the side air inlet. As shown in fig. 2, the control unit controls the air outlet and the air return of the lower air inlet through the side air outlet of the control unit, and includes: controlling the air outlet fan blade and the motor 3 at the side air inlet to operate, and controlling the filter device at the side air inlet to be opened so as to enable the unit to air out through the side air inlet; and controlling the air outlet fan blade at the lower air inlet and the motor 4 to stop running, and controlling the filter device at the lower air inlet to be closed so that the unit returns air through the lower air inlet.
Wherein, the filtering device can be a filter screen. When the air outlet is used as an air outlet, the blown air does not need to be filtered, and correspondingly, the filter screen at the air outlet can be opened. When the air inlet is used as a return air inlet, return air needs to be filtered, and accordingly, a filter screen at the air inlet needs to be closed.
In one possible implementation manner, as shown in fig. 5, after detecting whether the unit enters the cold air prevention mode or the defrosting mode in step S102, the method further includes:
step S501, if the unit enters a cold air prevention mode, controlling the electric auxiliary heating device to be started;
step S502, judging whether the temperature of the inner pipeline meets a first preset condition;
and S503, if so, controlling the unit to discharge air through a lower air outlet and return air through a side air outlet.
Wherein the first preset condition is as follows: the temperature of the inner pipeline is greater than or equal to a first preset value. The electric auxiliary heating means are located inside the evaporator, as shown in fig. 2 or 5 in fig. 4.
It can be understood that, in the cold air prevention mode, whether the temperature of the inner pipeline is greater than or equal to the first preset value or not can be determined in real time or intermittently. If yes, the inner pipeline is heated at the moment, cold air cannot be blown out, and the heating mode can be normally operated. And change the air-out mode into: the lower air outlet and the side air inlet return air to meet the setting requirements of users.
Similarly, in a possible implementation manner, as shown in fig. 6, after detecting whether the unit enters the cold air prevention mode or the defrosting mode in step S102, the method further includes:
step S601, if the unit enters a defrosting mode, controlling the electric auxiliary heating device to be started;
step S602, judging whether the temperature of the outer pipeline meets a second preset condition;
and S603, if so, controlling the unit to discharge air through a lower air outlet and return air through a side air outlet.
And the second preset condition is that the temperature of the outer pipeline is greater than or equal to a second preset value.
It can be understood that, in the defrosting mode, whether the temperature of the external pipeline is greater than or equal to the second preset value can be determined in real time or intermittently. If yes, the defrosting mode can be exited, and the heating mode is operated normally. And change the air-out mode into: the lower air outlet and the side air inlet return air to meet the setting requirements of users.
Fig. 7 illustrates a method for controlling outlet air of a unit according to an embodiment of the present invention, and as shown in fig. 7, the method includes:
step S701, normal heating operation of the air conditioner is performed;
step S702, detecting whether the air conditioner enters a cold wind prevention or defrosting mode; if yes, go to step S703; if not, go to step S704;
step S703, detecting whether the mode is a cold air prevention mode; if yes, go to step S705; if not, executing step S706;
step S704, normally operating each part of the air conditioner according to a heating mode;
step S705, the air conditioner is changed from the current heating mode to a cold wind prevention mode to operate, the lower air outlet fan blade and the motor stop operating, the electric auxiliary heat device is started, and the lower air outlet filter screen is closed; the side air-out fan blade and the motor operate, and the side air-out filter screen is opened; then step S707 is executed;
step S706, judging that the air conditioner operates in the defrosting mode, converting the current operation mode of the air conditioner into the defrosting mode, stopping the operation of the lower air outlet fan blade and the motor, starting the electric auxiliary heat device, and closing the lower air outlet filter screen; the side air-out fan blade and the motor operate, and the side air-out filter screen is opened; then step S708 is executed;
step S707, detecting whether the temperature of the inner pipeline meets the requirement; if yes, executing step S701; if not, returning to execute the step S705;
step S708, detecting whether the temperature of the outer pipeline meets the requirement, and if so, executing step S701; if not, the step S706 is executed in a returning way.
Therefore, when in the cold air prevention mode or the defrosting mode, air does not need to be blown out through the lower air opening, and the inner fan does not need to be controlled to stop running so as to avoid blowing out cold air. The pressure of the unit can be guaranteed to be in a normal range, so that the user experience is met, and meanwhile, the reliability of the unit is improved.
An embodiment of the present invention further provides a device for controlling air outlet of a unit, where the device is configured to execute the method shown in fig. 1, and as shown in fig. 8, the device includes:
a determining module 801, configured to determine an operation mode of the unit;
the detection module 802 is configured to detect whether the unit enters a cold air prevention mode or a defrosting mode when the operation mode is a heating mode;
and the control module 803 is used for controlling the unit to wind out through a side wind outlet and wind back through a lower wind outlet if the unit enters a cold air prevention mode or the unit enters a defrosting mode.
Therefore, when in the cold air prevention mode or the defrosting mode, air does not need to be blown out through the lower air opening, and the inner fan does not need to be controlled to stop running so as to avoid blowing out cold air. The pressure of the unit can be guaranteed to be in a normal range, so that the user experience is met, and meanwhile, the reliability of the unit is improved.
In a possible implementation manner, the control module 803 is further configured to, after determining the operation mode of the unit, control the unit to wind air through the side wind outlet and wind air back through the bottom wind outlet when the operation mode is the cooling mode.
In a possible implementation manner, the control module 803 is further configured to, when the operation mode is the heating mode, detect whether the unit enters the cold air prevention mode or the defrosting mode, and if the unit does not enter the cold air prevention mode and does not enter the defrosting mode, control the unit to discharge air through the lower air outlet and return air through the side air inlet.
In a possible implementation manner, the control module 803 is further configured to control the operation of the air outlet fan blade and the motor at the lower air inlet, and control the opening of the filtering device at the lower air inlet, so that the unit is air-out through the lower air inlet; and controlling the air outlet fan blade and the motor at the side air inlet to stop running, and controlling the filter device at the side air inlet to be closed so that the unit returns air through the side air inlet.
In a possible implementation manner, the control module 803 is further configured to control the air outlet fan blade and the motor at the side air outlet to operate, and control the filter device at the side air outlet to be opened, so that the unit exhausts air through the side air outlet; and controlling the air outlet fan blade and the motor at the lower air inlet to stop running, and controlling the filter device at the lower air inlet to be closed so that the unit returns air through the lower air inlet.
In a possible implementation manner, the control module 803 is further configured to control the electric auxiliary heating device to be turned on if the unit enters the cold air prevention mode after detecting whether the unit enters the cold air prevention mode or the defrosting mode;
judging whether the temperature of the inner pipeline meets a first preset condition or not;
if so, the unit is controlled to discharge air through the lower air outlet and return air through the side air inlet.
In a possible implementation manner, the control module 803 is further configured to detect whether the unit enters a cold air prevention mode or a defrosting mode, and if the unit enters the defrosting mode, control the electric auxiliary heating device to be turned on;
judging whether the temperature of the outer pipeline meets a second preset condition or not;
if so, the unit is controlled to discharge air through the lower air outlet and return air through the side air inlet.
The embodiment of the invention also provides a unit, which comprises the device shown in the figure 8, and the unit can be an air conditioner.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a mobile terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments illustrated in the drawings, the present invention is not limited to the embodiments, which are illustrative rather than restrictive, and it will be apparent to those skilled in the art that many more modifications and variations can be made without departing from the spirit of the invention and the scope of the appended claims.
Claims (19)
1. A method of controlling the outlet air of a unit, the method comprising:
determining the operation mode of the unit;
when the operation mode is a heating mode, detecting whether the unit enters a cold air prevention mode or a defrosting mode;
and if the unit enters the cold air prevention mode or the unit enters the defrosting mode, controlling the unit to discharge air through a side air outlet and return air through a lower air outlet of the unit.
2. The method of claim 1, after determining the operating mode of the crew, the method further comprising:
and when the operation mode is a refrigeration mode, controlling the unit to discharge air through the side air outlet and return air through the lower air inlet.
3. The method of claim 1, wherein after detecting whether the unit enters a cold air prevention mode or a defrost mode when the operation mode is a heating mode, the method further comprises:
and if the unit does not enter the cold air prevention mode and the unit does not enter the defrosting mode, controlling the unit to discharge air through the lower air outlet and return air through the side air inlet.
4. The method of claim 3, wherein controlling the unit to wind through the lower outlet and the side outlet and return air comprises:
controlling the operation of the air outlet fan blade and the motor at the lower air inlet, and controlling the opening of the filtering device at the lower air inlet so as to enable the unit to be air-out through the lower air inlet;
and controlling the air outlet fan blade and the motor at the side air inlet to stop running, and controlling the filter device at the side air inlet to be closed so that the unit returns air through the side air inlet.
5. The method of claim 1, wherein controlling the unit to return air through its side outlets and bottom outlets comprises:
controlling the operation of the air outlet fan blade and the motor at the side air inlet, and controlling the opening of the filter device at the side air inlet so as to enable the unit to be air-out through the side air inlet;
and controlling the air outlet fan blade and the motor at the lower air inlet to stop running, and controlling the filter device at the lower air inlet to be closed so that the unit returns air through the lower air inlet.
6. The method of claim 1, wherein after detecting whether the unit is in a cold air protection mode or a defrost mode, the method further comprises:
if the unit enters the cold air prevention mode, controlling the electric auxiliary heat device to be started;
judging whether the temperature of the inner pipeline meets a first preset condition or not;
if so, controlling the unit to discharge air through the lower air outlet and return air through the side air inlet.
7. The method of claim 1, wherein after detecting whether the unit is in a cold air protection mode or a defrost mode, the method further comprises:
if the unit enters the defrosting mode, controlling an electric auxiliary heating device to be started;
judging whether the temperature of the outer pipeline meets a second preset condition or not;
if so, controlling the unit to discharge air through the lower air outlet and return air through the side air inlet.
8. The method of claim 6,
the first preset condition is as follows: the temperature of the inner pipeline is greater than or equal to a first preset value.
9. The method of claim 7,
the second preset condition is as follows: the temperature of the outer pipeline is greater than or equal to a second preset value.
10. An apparatus for controlling the outlet air of a unit, the apparatus being configured to perform the method of any one of claims 1 to 9, the apparatus comprising:
the determining module is used for determining the operation mode of the unit;
the detection module is used for detecting whether the unit enters a cold air prevention mode or a defrosting mode when the operation mode is a heating mode;
and the control module is used for controlling the unit to wind out through a side wind outlet and wind back through a lower wind outlet if the unit enters the cold air prevention mode or the unit enters the defrosting mode.
11. The apparatus of claim 10, wherein the control module is further configured to control the unit to output air through the side air outlet and return air through the bottom air outlet when the operation mode is the cooling mode after determining the operation mode of the unit.
12. The device of claim 10, wherein the control module is further configured to, when the operation mode is a heating mode, detect whether the unit enters a cold air prevention mode or a defrosting mode, and if the unit does not enter the cold air prevention mode and the unit does not enter the defrosting mode, control the unit to wind air through the lower wind outlet and return air through the side wind outlet.
13. The apparatus of claim 12,
the control module is also used for controlling the operation of the air outlet fan blade and the motor at the lower air inlet and controlling the opening of the filtering device at the lower air inlet so as to enable the unit to be air-out through the lower air inlet;
and controlling the air outlet fan blade and the motor at the side air inlet to stop running, and controlling the filter device at the side air inlet to be closed so that the unit returns air through the side air inlet.
14. The apparatus of claim 10,
the control module is also used for controlling the air outlet fan blade and the motor at the side air inlet to operate and controlling the filter device at the side air inlet to be opened so as to enable the unit to be air-out through the side air inlet;
and controlling the air outlet fan blade and the motor at the lower air inlet to stop running, and controlling the filter device at the lower air inlet to be closed so that the unit returns air through the lower air inlet.
15. The device of claim 10, wherein the control module is further configured to control the electric auxiliary heating device to be turned on if the unit enters the cold air prevention mode after detecting whether the unit enters the cold air prevention mode or the defrosting mode;
judging whether the temperature of the inner pipeline meets a first preset condition or not;
if so, controlling the unit to discharge air through the lower air outlet and return air through the side air inlet.
16. The apparatus of claim 10,
the control module is further used for detecting whether the unit enters a cold air prevention mode or a defrosting mode, and controlling the electric auxiliary heating device to be started if the unit enters the defrosting mode;
judging whether the temperature of the outer pipeline meets a second preset condition or not;
if so, controlling the unit to discharge air through the lower air outlet and return air through the side air inlet.
17. An assembly comprising a device according to any one of claims 10 to 16, the assembly being an air conditioner.
18. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor executes the program to implement the method of controlling the outlet air of a unit according to any one of claims 1 to 9.
19. A storage medium containing computer executable instructions for performing a method of controlling unit outlet air according to any one of claims 1 to 9 when executed by a computer processor.
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| CN201911061437.5A CN110887186B (en) | 2019-11-01 | 2019-11-01 | Method and device for controlling air outlet of unit, computer equipment and storage medium |
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