CN111637543B - Air guide device and method and air conditioner outdoor unit - Google Patents
Air guide device and method and air conditioner outdoor unit Download PDFInfo
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- CN111637543B CN111637543B CN202010520420.8A CN202010520420A CN111637543B CN 111637543 B CN111637543 B CN 111637543B CN 202010520420 A CN202010520420 A CN 202010520420A CN 111637543 B CN111637543 B CN 111637543B
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/46—Component arrangements in separate outdoor units
- F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/40—Damper positions, e.g. open or closed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Other Air-Conditioning Systems (AREA)
- Air-Flow Control Members (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides an air guide device, which is applied to a side plate of an air conditioner outdoor unit, wherein at least one air inlet hole is formed in the side plate, and the air guide device comprises: at least one guide vane (31) is arranged on the air inlet hole (2) and used for generating prewhirl on the airflow flowing through the air inlet hole (2). According to the impeller rotating speed of the air conditioner outdoor unit, the air inlet angle of the air inlet hole is adjusted through the guide vane, and the air inlet flow disorder of the air inlet hole caused by the change of the impeller rotating speed can be avoided.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air guide device, an air guide method and an air conditioner outdoor unit.
Background
The left side plate of the outdoor unit of the air conditioner is one of important parts in an air duct of the air conditioner. The design of the air inlet hole on the left side plate of the air conditioner outdoor unit can directly influence the air flow direction of air entering from the left side plate of the air conditioner outdoor unit. In the prior art, the air flow entering the air conditioner outdoor unit from the left side plate of the air conditioner outdoor unit has an air inlet direction substantially perpendicular to the left side plate. When the impeller in the air conditioner outdoor unit does work, the direction of the air flow flowing through the left side plate can be changed, the air inlet flow is disordered, air inlet is influenced, noise is increased, and the air cooling heat exchange effect of the air conditioner is further influenced.
Disclosure of Invention
The present invention provides an air guiding device, an air guiding method and an air conditioner outdoor unit, which are used for at least partially solving the above technical problems.
In order to solve the above problems, an aspect of the present invention provides an air guiding device 3, which is applied to a side plate 1 of an air conditioner outdoor unit, wherein the side plate 1 is provided with at least one air inlet 2, and the air guiding device 3 includes: and the guide vane 31 is arranged on the air inlet hole 2 and is used for generating prerotation on the airflow flowing through the air inlet hole 2.
Therefore, the air inlet direction of the air inlet holes 2 is adjusted to be a preset angle, so that the air flow flowing through the air inlet holes 2 is prerotated, the air flow disorder caused by the rotation of an impeller of the air conditioner outdoor unit is avoided, and the noise caused by the air flow disorder is reduced.
Optionally, the guide vanes 31 are arranged on the air inlet holes 2 at a preset inclination angle.
Therefore, the direction of the air flow passing through the air inlet holes 2 can be changed, the air flow is prerotated, and the air flow disorder caused by the rotation of an impeller of the air conditioner outdoor unit is avoided.
Optionally, the preset inclination angle of each guide vane 31 is different according to the relative position of each guide vane 31 and the impeller in the air conditioner outdoor unit.
Therefore, the guide vanes 31 at different positions can be set to different preset inclination angles according to the influence degree of the air flow at the position on the impeller, so that the guide vanes at all positions can enable the air flow to generate reasonable prerotation, and the air flow disorder is avoided to the maximum extent.
Optionally, the air guiding device further includes: and the driving device 32 is connected with the guide vane 31 and is used for controlling the guide vane 31 to adjust the angle.
Therefore, the angle of the guide vane 31 can be flexibly adjusted according to the rotating speed of the impeller, so that the prerotation angle of the air inlet flow is correspondingly changed, and the air flow is prevented from being affected and disordered by the impeller.
Optionally, each guide vane 31 is connected to one of the drive devices 32.
Thus, the angle of each guide vane 31 is adjusted, and the pre-rotation angle of the air flow is adjusted more accurately.
Optionally, when the driving device 32 is not operated, the guide vane 31 and the air inlet 2 are at the preset inclination angle.
Therefore, when the impeller of the air conditioner outdoor unit starts to operate, the air inlet holes 2 in the side plate 1 of the air conditioner can smoothly enter air, and air flow disorder is avoided to a certain extent.
Another aspect of the present invention provides an air guiding method applied to the air guiding device 3 according to any one of the first aspect, including: when an impeller of an air conditioner outdoor unit works, detecting the rotating speed of the impeller; and controlling the guide vanes 31 arranged on the air inlet holes 2 of the side plates 1 to be adjusted to preset air inlet angles according to the rotating speed.
Therefore, when the rotating speed of the impeller of the outdoor unit of the air conditioner changes, the air inlet direction of the air inlet holes 2 is actively adjusted to be the preset air inlet angle by adjusting the angle of the guide vane 31, so that airflow disorder caused by the change of the airflow direction due to the change of the rotating speed of the impeller is reduced, noise is reduced, and the effect of the air conditioner is prevented from being influenced by the airflow disorder.
Optionally, according to the rotating speed, the guide vane 31 arranged on the air inlet 2 of the side plate 1 is controlled to adjust to a preset air inlet angle, including: acquiring a preset angle comparison table, wherein the angle comparison table comprises the corresponding relation between the rotating speed of an impeller and the preset air inlet angle of the guide vane 31 on each air inlet hole 2; and driving the guide vanes 31 arranged on the air inlets 2 with different heights to be respectively adjusted to corresponding preset air inlet angles according to the angle comparison table.
Therefore, the guide vanes 31 of the air inlets 2 with different heights are respectively adjusted to the corresponding preset air inlet angles.
Optionally, before the obtaining of the preset angle comparison table, the method further includes: calculating the difference value between the rotating speed and the rotating speed of the impeller in the previous period; and when the difference value is greater than or equal to a preset threshold value, acquiring the angle comparison table.
Therefore, the guide vane 31 can be adjusted in angle in time when the rotating speed changes, and the guide vane 31 does not need to change the angle frequently.
The invention further provides an outdoor unit of an air conditioner, which comprises the air guide device 3 in any one of the first aspect.
The air conditioner outdoor unit has the same advantages as the air guide device 3, and the description thereof is omitted.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 schematically illustrates a schematic view of an air guiding device 3 according to an embodiment of the present invention;
fig. 2 schematically illustrates a partial schematic view of an air guiding device 3 according to an embodiment of the present invention;
fig. 3 schematically illustrates a flowchart of a wind guiding method according to an embodiment of the present invention.
Description of the drawings:
1-side plate of air conditioner outdoor machine;
2-air inlet hole, 21-air inlet hole A, 22-air inlet hole B;
3-wind guiding device, 31-guide vane, 32-driving device.
Detailed Description
In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 schematically illustrates a schematic view of an air guiding device 3 according to an embodiment of the present invention, and fig. 2 schematically illustrates a partial schematic view of the air guiding device 3 according to an embodiment of the present invention.
Referring to fig. 1, an air guiding device 3 according to an embodiment of the present invention is applied to a side plate 1 of an air conditioner outdoor unit, the side plate 1 is provided with at least one air inlet 2, and the air guiding device 3 includes: at least one guide vane 31 is arranged on the air inlet hole 2 and used for generating prerotation on the airflow flowing through the air inlet hole 2. When the guide vanes 31 are not arranged on the air inlet holes 2, the air inlet direction of the air flow is almost vertical to the side plate 1, and after the air flow enters an air conditioner external unit, the rotation of the impeller can change the direction of the air flow, so that the air flow is disordered, the air inlet is influenced, and the noise is generated; after the guide vane 31 is arranged on the air inlet 2, the guide vane 31 can change the air inlet direction of the airflow, so that the airflow is pre-rotated, the phenomenon of airflow disorder is reduced to a certain extent, and the noise can be reduced.
In one embodiment of the present disclosure, the air guiding device further includes: and the driving device 32 is connected with the guide vane 31 and is used for controlling the guide vane 31 to adjust the angle. Because the rotating speed of the impeller can change along with the using power of the air conditioner, the higher the using power of the air conditioner is, the faster the rotating speed of the impeller is, the greater the influence on the airflow flowing from the air inlet 2 is, and the angle of the guide vane 31 is adjusted along with the change of the rotating speed of the impeller through the driving device 32, the degree of airflow disorder caused by the impeller can be reduced to the maximum extent, and the noise of the air conditioner is controlled to the minimum.
Alternatively, the driving device 32 may be a power mechanism such as a stepping motor.
Referring to fig. 1, when the number of the air intake holes 2 is plural, the plural air intake holes 2 are sequentially arranged along the height direction of the side plate 1. Wherein, the shape of each air inlet 2 is long rectangle, and each air inlet 2 can also be divided into a plurality of apertures, and the shape of aperture can be square, rectangle, rhombus etc., and a plurality of apertures are arranged in a row in the horizontal direction, and the shape of aperture does not influence the air intake direction. Referring to fig. 1, the air inlet 2 can be divided into an air inlet a and an air inlet B, which have different shapes and are horizontally arranged in a row.
In one embodiment of the present disclosure, the guide vane 31 is disposed on the air inlet 2 at a predetermined inclination angle, so that the air flowing through the air inlet 2 can be prerotated when entering the air conditioner external unit at the predetermined angle, thereby alleviating turbulence of the impeller to the air flow and reducing noise.
In one embodiment of the present disclosure, the preset inclination angle of each guide vane 31 is different according to the relative position of each guide vane 31 and the impeller in the air conditioner outdoor unit. Because the positions of the air inlets 2 relative to the impeller are different, the impeller has different influences on the air flow flowing through the air inlets 2, and the guide vanes 31 at different positions are set to different preset inclination angles, so that the air flow flowing through the air inlets at various positions generates reasonable prerotation, and the air flow disorder is avoided to the maximum extent.
Furthermore, because the positions of the air inlet holes 2 relative to the impeller are different, and the flow rate of the air flow passing through the air inlet holes 2 is different, different numbers of guide vanes 31 can be respectively arranged on the air inlet holes 2, the distance between the guide vanes 31 can be different, and the direction of the air inlet flow of the air inlet holes 2 can be more accurately adjusted.
In one of the embodiments of the present disclosure, when the number of the driving devices 32 is identical to the number of the guide vanes 31, each guide vane 31 is connected with one driving device 32. Each driving device 32 is correspondingly connected with one guide vane 31, and the angle of each guide vane 31 can be respectively adjusted according to the position of each guide vane 31, so that each guide vane 31 is respectively adjusted to be a respective preset angle. In addition, each driving device 32 may also be linked with a plurality of guide vanes 31, and control the plurality of guide vanes 31 connected thereto to adjust to the same preset angle, which is not limited to one-to-one connection.
Alternatively, the driving devices 32 are disposed on one side of the intake ports 2 corresponding to the vanes 31 in the order of connection with the vanes 31.
The driving devices 32 connected with the guide vanes 31 are orderly arranged on one side of the air inlet 2, and the corresponding relation between the driving devices 32 and the guide vanes 31 is clear at a glance, so that the maintenance and the management are convenient.
Optionally, when each driving device 32 is not operated, the guide vane (31) and the air inlet hole (2) form the preset inclined angle.
In this embodiment, when the rotation speed of the impeller inside the outdoor unit of the air conditioner changes, the air intake directions of the air intake holes 2 with different heights can be changed, resulting in air intake disorder, the guide vanes 31 on the air intake holes 2 with different heights are respectively adjusted to the corresponding preset angles through the driving device 32, the air intake directions of the air intake holes 2 with different heights are respectively changed through the guide vanes 31, the problem of air flow disorder caused by the rotation speed change of the impeller inside the outdoor unit of the air conditioner can be effectively avoided, noise generated by the air flow disorder is reduced, and the problem that the air conditioning efficiency is affected by the air flow disorder is solved.
Still another embodiment of the present invention further provides a wind guiding method, fig. 3 schematically illustrates a flowchart of the method, and the method is applied to the wind guiding device 3 shown in fig. 1 or fig. 2, as shown in fig. 3, and the method includes operations S310 to S320.
And S310, detecting the rotating speed of the impeller when the impeller of the air conditioner outdoor unit works.
And S320, controlling the guide vanes 31 arranged on the air inlet holes 2 of the side plates 1 to be adjusted to preset air inlet angles according to the rotating speed.
In this embodiment, when the change of the operating speed of the impeller is detected, the driving devices 32 connected to the guide vanes 31 are controlled to drive the guide vanes 31 connected thereto to adjust the angle, respectively, so as to actively adjust the air inlet direction of the air inlet holes 2 to the preset air inlet angle, thereby reducing the airflow disturbance caused by the change of the airflow direction due to the change of the impeller speed, reducing the noise, and preventing the air conditioning efficiency from being affected by the airflow disturbance.
Specifically, step S320 includes steps S321 to S322.
S321, obtaining a preset angle comparison table, wherein the angle comparison table comprises the corresponding relation between the rotating speed of the impeller and the preset air inlet angle of the guide vane 31 on each air inlet hole 2.
In this embodiment, under the condition that the air guiding device 3 is not disposed on the side plate 1, the rotation speed of the impeller of the air conditioner outdoor unit is gradually adjusted according to a fixed rotation speed interval, and each time the rotation speed is adjusted to a value, the air inlet angles of the air inlet holes 2 with different heights on the side plate 1 of the air conditioner outdoor unit are measured, and the air inlet angles are the preset air inlet angles of the guide vanes 31 corresponding to the air inlet holes 2 with different heights. And recording the current rotating speed and the air inlet angles of the air inlets 2 with different heights to obtain an angle comparison table. As shown in table 1, table 1 schematically shows the preset intake angles of the guide vanes 31 corresponding to the intake holes 2 with different heights when the rotation speed of the impeller is 50RPM and 80RPM, wherein the intake holes 2 are numbered in sequence from high to low, and the preset intake angles are the included angles between the intake direction and the horizontal direction.
TABLE 1
S322, according to the angle comparison table, the guide vanes 31 arranged on the air inlet holes 2 with different heights are driven to be respectively adjusted to the corresponding preset air inlet angles.
In this embodiment, according to the angle comparison table, the air inlet angle is actively adjusted to the preset air inlet angle by the guide vanes 31 on the air inlet holes 2 with different heights, so that the air flow disorder caused by the change of the impeller rotation speed is relieved. Specifically, referring to table 1, when the impeller rotation speed becomes 80RPM, each driving device 32 drives the guide vanes 31 corresponding to the air inlets 2 of different heights to be respectively adjusted to a preset air intake angle according to the angle comparison table, wherein the air intake angles of the plurality of guide vanes 31 corresponding to the air inlets 2 of the first height are all adjusted to 30 °, the air intake angles of the plurality of guide vanes 31 corresponding to the air inlets 2 of the second height are all adjusted to 45 °, and the air intake angles of the plurality of guide vanes 31 corresponding to the air inlets 2 of the third height are all adjusted to 60 °.
In one embodiment of the present disclosure, before step S321, the method further includes:
s3210, calculating a difference between the rotating speed and the rotating speed of the impeller in the previous period;
and S3211, when the difference is greater than or equal to a preset threshold, acquiring an angle comparison table.
In this embodiment, when the impeller of the outdoor unit of the air conditioner starts to work, the working speed of the impeller is detected in real time or at regular time, and when the working speed of the impeller is detected to change and the change difference is not less than the preset threshold, the angle comparison table is obtained, so that each guide vane 31 is adjusted to be the preset air inlet angle, and unnecessary resource waste and hardware loss caused by too frequent adjustment of the guide vane 31 are avoided. Specifically, assuming that the preset threshold is 20RPM, if the original rotation speed of the impeller is 30RPM, when the rotation speed of the impeller becomes 50RPM, obtaining an angle comparison table, driving each driving device 32 to operate according to the angle comparison table, so that the guide vanes 31 corresponding to the air inlets 2 with different heights are respectively adjusted to the preset air inlet angles corresponding to the current rotation speed, for example, the air inlet angles of the plurality of guide vanes 31 corresponding to the air inlets 2 with the first height are all adjusted to 15 °, the air inlet angles of the plurality of guide vanes 31 corresponding to the air inlets 2 with the second height are all adjusted to 20 °, and the air inlet angles of the plurality of guide vanes 31 corresponding to the air inlets 2 with the third height are all adjusted to 35 °.
The following provides a detailed example of an air guiding method provided by the present application.
When an impeller of an air conditioner outdoor unit starts to work, regularly detecting the working rotating speed of the impeller every 5 seconds, if the current rotating speed of the impeller is 50RPM, the rotating speed of the impeller detected at the last moment is 80RPM, and assuming that the preset threshold value of the rotating speed change of the impeller is 20RPM, acquiring an angle comparison table because the difference value of the rotating speed change is greater than the preset threshold value, driving guide vanes 31 with different heights to be respectively adjusted to preset air inlet angles corresponding to the rotating speed of the impeller with 50RPM according to the angle comparison table, referring to the table 1, adjusting the air inlet angles of a plurality of guide vanes 31 corresponding to air inlet holes 2 with a first height from 30 degrees to 15 degrees, adjusting the air inlet angles of a plurality of guide vanes 31 corresponding to air inlet holes 2 with a second height from 45 degrees to 20 degrees, and adjusting the air inlet angles of a plurality of guide vanes 31 corresponding to air inlet holes 2 with a third height from 60 degrees to 35 degrees; assuming that the current impeller rotation speed is 60RPM, the detected impeller rotation speed at the last moment is 50RPM, and assuming that the preset threshold value of the impeller rotation speed variation is 20RPM, since the impeller rotation speed is less than the preset threshold value, the angle of the guide vane 31 does not need to be changed.
According to the air guide method, the corresponding adjustment angles of the guide vanes 31 arranged on the air inlet holes can be controlled according to the change of the impeller of the outdoor unit of the air conditioner, and the preset air inlet angles of the corresponding guide vanes on the air inlet holes with different heights are different, so that the air flow disorder caused by the change of the air flow direction due to the change of the rotating speed of the impeller can be reduced, the noise is reduced, and the effect of the air conditioner is prevented from being influenced by the air flow disorder.
An embodiment of the present application further provides an outdoor unit of an air conditioner, which includes the air guiding device 3 shown in fig. 1 and 2.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The utility model provides an air ducting, is applied to air condensing units's curb plate (1), seted up a plurality of inlet ports (2) on curb plate (1), its characterized in that, air ducting (3) include:
the guide vanes (31) are arranged on the air inlet holes (2) at preset inclination angles and are used for pre-rotating the airflow flowing through the air inlet holes (2);
the driving device (32) is connected with the guide vanes (31) and used for driving the guide vanes (31) arranged on the air inlet holes (2) to be respectively adjusted to corresponding preset air inlet angles according to a preset angle comparison table;
the angle comparison table comprises the corresponding relation between the rotating speed of an impeller in the air conditioner outdoor unit and the preset air inlet angle of a guide vane (31) on each air inlet hole (2).
2. The air guiding device as recited in claim 1, characterized in that the preset inclination angle of each guide vane (31) is different according to the relative position of each guide vane (31) and an impeller in the air conditioner outdoor unit.
3. The air guiding device as defined in claim 1, wherein each guide vane (31) is connected to one of the drive devices (32).
4. The air guiding device as defined in claim 1, wherein the guide vane (31) and the air inlet hole (2) are at the preset inclination angle when the driving device (32) is not in operation.
5. An air guiding method applied to the air guiding device according to any one of claims 1 to 4, comprising:
when an impeller of an air conditioner outdoor unit works, detecting the rotating speed of the impeller;
according to the rotational speed, control is located stator (31) adjustment on the inlet port (2) of curb plate (1) is the preset angle of admitting air, includes:
acquiring a preset angle comparison table, wherein the angle comparison table comprises the corresponding relation between the rotating speed of an impeller and the preset air inlet angle of a guide vane (31) on each air inlet hole (2);
and driving guide vanes (31) arranged on the air inlets (2) with different heights to be respectively adjusted to corresponding preset air inlet angles according to the angle comparison table.
6. The method of claim 5, wherein before obtaining the preset angle lookup table, the method further comprises:
calculating the difference value between the rotating speed and the rotating speed of the impeller in the previous period;
and when the difference value is greater than or equal to a preset threshold value, acquiring the angle comparison table.
7. An outdoor unit of an air conditioner, comprising the air guide device according to any one of claims 1 to 4.
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| CN202010520420.8A CN111637543B (en) | 2020-06-09 | 2020-06-09 | Air guide device and method and air conditioner outdoor unit |
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|---|---|---|---|
| CN202010520420.8A CN111637543B (en) | 2020-06-09 | 2020-06-09 | Air guide device and method and air conditioner outdoor unit |
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| CN111637543A CN111637543A (en) | 2020-09-08 |
| CN111637543B true CN111637543B (en) | 2021-09-28 |
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| CN116026001A (en) * | 2022-12-23 | 2023-04-28 | 珠海格力电器股份有限公司 | Method and device for determining target angle of air conditioner air inlet grille and electronic equipment |
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|---|---|---|---|---|
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| JP2828434B2 (en) * | 1996-03-21 | 1998-11-25 | 三星電子株式会社 | Inlet opening and closing device for air conditioner |
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