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CN110762820B - Flow guiding device and air conditioner - Google Patents

Flow guiding device and air conditioner Download PDF

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Publication number
CN110762820B
CN110762820B CN201911086390.8A CN201911086390A CN110762820B CN 110762820 B CN110762820 B CN 110762820B CN 201911086390 A CN201911086390 A CN 201911086390A CN 110762820 B CN110762820 B CN 110762820B
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CN
China
Prior art keywords
air
flow guiding
rectifying
flow
air conditioner
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Application number
CN201911086390.8A
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CN110762820A (en
Inventor
吴俊鸿
肖洪力
黄鑫
李业强
梁博
李树云
李建建
何博
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201911086390.8A priority Critical patent/CN110762820B/en
Publication of CN110762820A publication Critical patent/CN110762820A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)

Abstract

The application provides a flow guiding device and an air conditioner. The flow guiding device comprises a flow guiding ring (1) and a flow guiding plate (2) arranged in the flow guiding ring (1), wherein the flow guiding plate (2) extends along the axial direction of the flow guiding ring (1), two sides of the flow guiding plate (2) are connected to the inner wall of the flow guiding ring (1), and a flow guiding channel of the flow guiding ring (1) is divided into at least two flow guiding areas by the flow guiding plate (2). According to the flow guiding device, the airflow flowing through the flow guiding device can be rectified more thoroughly, so that the flow loss of the airflow is greatly reduced, and the flow efficiency of the airflow is improved.

Description

Flow guiding device and air conditioner
Technical Field
The application relates to the technical field of flow guiding devices, in particular to a flow guiding device and an air conditioner.
Background
Because the axial flow fan easily generates the air flow in the irregular direction, and the air flow has high diffusivity, and the impact on the air duct component is large, the air conditioner adopting the axial flow fan has the common problems of high noise, relatively chaotic air flow and the like.
In order to rectify the air-out airflow, the problem of airflow confusion is reduced, the airflow flowing efficiency is improved, and the airflow is rectified in the airflow flowing process generally.
In the prior art, the annular rectifying ring is generally adopted to rectify the air flow, however, the range of the air flow which can be acted by the annular rectifying ring is smaller in the rectifying process, so that the actual rectifying effect is smaller, the auxiliary effect on the air flow is not great, the air flow efficiency is still lower, and the flow loss is still larger.
Disclosure of Invention
Therefore, the technical problem to be solved by the application is to provide the flow guiding device and the air conditioner, which can play a more thorough rectifying role on the airflow flowing through the flow guiding device, greatly reduce the flow loss of the airflow and improve the flow efficiency of the airflow.
In order to solve the above problems, the present application provides a flow guiding device, which includes a flow guiding ring and a rectifying plate disposed in the flow guiding ring, wherein the rectifying plate extends along an axial direction of the flow guiding ring, two sides of the rectifying plate are connected to an inner wall of the flow guiding ring, and the rectifying plate divides a flow guiding channel of the flow guiding ring into at least two rectifying areas.
Preferably, the extension line of the rectifying plate along the axial direction is a straight line.
Preferably, the rectifying plate is a straight plate or an arc plate.
Preferably, the number of the rectifying plates is multiple, and the plurality of the rectifying plates are parallel or intersected in the guide ring.
Preferably, the rectifying plate comprises at least two straight plates, wherein the two straight plates are perpendicularly intersected, and the intersection line is located on the central axis of the guide ring.
Preferably, the plurality of rectifying plates are divided into two groups, each rectifying plate in the first group of rectifying plates is parallel to each other, each rectifying plate in the second group of rectifying plates is parallel to each other, and the first group of rectifying plates is perpendicular to the second group of rectifying plates.
Preferably, the inner peripheral wall of the guide ring is provided with a first silencing hole.
Preferably, the guide ring comprises a first inner cylinder and a first outer cylinder, the first inner cylinder is positioned on the inner peripheral side of the first outer cylinder, and a first silencing hole is formed in the first inner cylinder.
Preferably, a transverse baffle is further arranged between the first inner cylinder and the first outer cylinder, the transverse baffle is arranged along the circumferential direction of the guide ring, and a cavity enclosed by the first inner cylinder and the first outer cylinder is divided into at least two along the axial direction.
Preferably, the transverse baffle has a thickness of 3mm.
Preferably, a second inner cylinder is further arranged between the first inner cylinder and the first outer cylinder, and a first silencing hole is formed in the second inner cylinder.
Preferably, a second outer cylinder is arranged between the second inner cylinder and the first outer cylinder, and a first silencing hole is arranged on the second outer cylinder.
Preferably, the thickness of the second inner cylinder is larger than that of the second outer cylinder
Preferably, the thickness of the second inner cylinder is 4mm and the thickness of the second outer cylinder is 2mm.
Preferably, the rectifying plate is provided with a second silencing hole; and/or the rectifying plate is made of sound absorbing materials.
According to an embodiment of the present application, an air conditioner includes a flow guiding device, which is the flow guiding device described above.
Preferably, the air conditioner further comprises an air conditioner shell, the air conditioner shell comprises an upper air port and a lower air port, a fan and a heat exchanger are arranged between the upper air port and the lower air port, and the guide ring is arranged in an air channel between the fan and the heat exchanger.
Preferably, the fan is an axial flow fan, the axial flow fan is arranged in an air duct between the upper air opening and the lower air opening, and the heat exchanger is arranged at the lower air opening; and/or the flow guiding ring of the flow guiding device is annular, the sectional area of the flow guiding ring is gradually decreased along the direction from the upper air opening to the lower air opening, and the section of the annular wall of the flow guiding ring is arc-shaped.
Preferably, the upper air port is an annular air outlet; and/or, the lower tuyere comprises two tuyeres which are oppositely arranged.
Preferably, the axial flow fan is a disrotatory axial flow fan, and the disrotatory axial flow fan comprises an upper axial flow fan blade and a lower axial flow fan blade, and the air supply directions of the upper axial flow fan blade and the lower axial flow fan blade are consistent.
Preferably, the air conditioner case includes an upper case and a lower case, the upper case and the lower case being different in shape.
Preferably, the upper shell is a cylinder, and the lower shell is a cuboid; or the upper shell is a cylinder, and the lower shell is a cube.
The application provides a flow guiding device which comprises a flow guiding ring and a flow rectifying plate arranged in the flow guiding ring, wherein the flow rectifying plate extends along the axial direction of the flow guiding ring, two sides of the flow rectifying plate are connected to the inner wall of the flow guiding ring, and the flow rectifying plate divides the inner ring of the flow guiding ring into at least two flow rectifying areas. This guiding device has set up the rectifying plate in the water conservancy diversion circle, because the rectifying plate is located the water conservancy diversion circle inside, and separate into two at least rectification regions through the water conservancy diversion circle, consequently, not only can utilize the water conservancy diversion circle itself to rectify the air current of water conservancy diversion circle inner periphery side, but also can utilize the rectifying plate to rectify the air current that the water conservancy diversion circle is close to the rectifying plate region, consequently, can carry out the rectification of a larger range and bigger region to the air current that flows through the water conservancy diversion circle for the air current homoenergetic that flows through the water conservancy diversion circle can effectively rectify, consequently can reduce the flow loss that the air current is in the flow of wind channel random and disorder and causes to a greater extent, improve air current flow efficiency, improve the water conservancy diversion effect of water conservancy diversion circle.
Drawings
FIG. 1 is a schematic perspective view of a deflector according to an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a flow guiding device according to an embodiment of the present application;
FIG. 3 is an enlarged schematic view of the structure at A of FIG. 2;
Fig. 4 is a perspective view of an air conditioner according to an embodiment of the present application;
FIG. 5 is a flow chart of the air conditioner under refrigeration condition according to the embodiment of the present application;
Fig. 6 is an airflow chart of a heating operation of an air conditioner according to an embodiment of the present application.
The reference numerals are expressed as:
1. A guide ring; 2. a rectifying plate; 3. a first sound deadening hole; 4. a first inner cylinder; 5. a first outer cylinder; 6. a second inner cylinder; 7. a second outer cylinder; 8. a transverse baffle; 9. a second sound deadening hole; 10. an air-conditioning case; 11. an upper air port; 12. a lower tuyere; 13. a disrotatory axial flow fan; 14. a heat exchanger.
Detailed Description
As shown in fig. 1 to 3, according to an embodiment of the present application, the flow guiding device includes a flow guiding ring 1 and a rectifying plate 2 disposed in the flow guiding ring 1, the rectifying plate 2 extends along an axial direction of the flow guiding ring 1, both sides of the rectifying plate 2 are connected to an inner wall of the flow guiding ring 1, and the rectifying plate 2 divides a flow guiding channel of the flow guiding ring 1 into at least two rectifying areas.
This guiding device has set up rectification board 2 in guide ring 1, because rectification board 2 is located guide ring 1 inside, and separate into two at least rectification regions through guide ring 1, consequently, not only can utilize guide ring 1 itself to rectify the air current of guide ring 1 inner periphery side, but also can utilize rectification board 2 to rectify the air current that flows through guide ring 1 and be close to rectification board 2 regional, consequently, can carry out the rectification of a greater range and a greater region to the air current that flows through guide ring 1, make the air current that flows through guide ring 1 all can effectively rectify, consequently, can reduce the flow loss that the air current flows in the wind channel disordered way and causes to a greater extent, improve the air current flow efficiency, improve the water conservancy diversion effect of guide ring 1.
The rectifying plate 2 is straight along the axial extension line, so that the rectifying plate 2 can be prevented from bending in the process of extending along the axial direction, a more effective rectifying effect can be achieved, the air flow entering the guide ring 1 can form regular straight-line air flow under the rectifying action of the rectifying plate 2, and the flow loss generated in the air flow flowing process in the air duct can be effectively reduced.
The rectifying plate 2 is a straight plate or an arc plate. In this embodiment, the rectifying plate 2 is a straight plate or an arc plate, specifically, on the basis that an extension line of the rectifying plate along the axial direction is a straight line, the rectifying plate is a straight line or an arc line in a section perpendicular to the extension line. The rectification plate formed under the condition, whether the rectification plate is an arc plate or a straight plate, has a straight rectification effect on the airflow in the flowing direction of the airflow, has good rectification effect, and reduces the flowing resistance of the airflow.
Preferably, the number of the rectifying plates 2 is plural, and the plurality of rectifying plates 2 are parallel or intersected in the guide ring 1. The internal flow channel of the guide ring 1 can be divided into a plurality of rectifying areas by the plurality of rectifying plates 2, so that the flow rate of gas flowing through each rectifying area is limited, and therefore, the rectifying plates 2 on the periphery of each area have more obvious rectifying effect on the gas flow flowing through the area, and the gas flow in the center and the periphery of the guide ring 1 can be effectively rectified, so that better rectifying effect is achieved.
Preferably, the rectifying plate 2 includes at least two straight plates, wherein the two straight plates are perpendicularly intersected, and an intersection line is located on a central axis of the guide ring 1, so that an air flow located in a centremost area and not easily rectified by an inner peripheral wall of the guide ring 1 can be guaranteed, and the air flow can be rectified by the straight plate-shaped rectifying plate 2, so that effective rectification can be guaranteed in each area of a guide channel of the guide ring 1, and the rectifying effect is further improved.
In this embodiment, the number of rectifying plates 2 is plural, the number of rectifying plates 2 is divided into two groups, each rectifying plate 2 in the first group of rectifying plates 2 is parallel to each other, each rectifying plate 2 in the second group of rectifying plates 2 is parallel to each other, and the first group of rectifying plates 2 is perpendicular to the second group of rectifying plates 2. In this embodiment, each group of rectifying plates 2 includes three rectifying plates 2, and six rectifying plates 2 are matched with the guide ring 1 in total, so that the guide channel of the guide ring 1 is divided into 16 rectifying areas, when the fan blows out rotating and irregular air flow, the air flow is guided by the guide ring 1 to flow from the 16 rectifying areas to form regular straight-line air flow, thereby playing the role of an air rectifier and reducing flow loss caused by disordered flow of the air flow in the air duct.
Preferably, the inner peripheral wall of the deflector ring 1 is provided with a first sound deadening hole 3. By arranging the silencing holes on the guide ring 1, the air flow passing through the guide ring 1 can be silenced by utilizing the silencing Kong Duiliu on the guide ring 1, so that the pneumatic noise of the air flow flowing through the guide ring 1 is reduced. Preferably, the aperture of the first sound deadening holes 3 is between 0.5 and 1.5mm, and the interval between adjacent first sound deadening holes 3 is 6mm in the section perpendicular to the central axis, so that a microporous sound deadening cylinder can be formed, which has sound deadening characteristics of wide frequency band, small volume, high efficiency, and the above aperture size is selected, which can also be easily processed and is not easily blocked in use.
The water conservancy diversion circle 1 includes first inner tube 4 and first urceolus 5, and first inner tube 4 is located the inner periphery side of first urceolus 5, is provided with first amortization hole 3 on the first inner tube 4. And a silencing cavity communicated with the first silencing hole 3 is formed between the first inner cylinder 4 and the second inner cylinder 5, so that the noise reduction effect of the guide ring 1 can be further enhanced by utilizing the silencing cavity.
Preferably, a transverse baffle plate 8 is further arranged between the first inner cylinder 4 and the first outer cylinder 5, the transverse baffle plate 8 is arranged along the circumferential direction of the guide ring 1, and a cavity enclosed by the first inner cylinder 4 and the first outer cylinder 5 is divided into at least two along the axial direction. Through setting up transverse baffle 8, can effectively prevent to take place along the sound wave propagation of the axial direction of pipe in the cavity between first inner tube 4 and the first urceolus 5, further improve amortization noise reduction effect.
Preferably, the transverse baffle 8 has a thickness of 3mm.
A second inner cylinder 6 is also arranged between the first inner cylinder 4 and the first outer cylinder 5, and a first silencing hole 3 is arranged on the second inner cylinder 6.
A second outer cylinder 7 is arranged between the second inner cylinder 6 and the first outer cylinder 5, and a first silencing hole 3 is arranged on the second outer cylinder 7. Through increasing second inner tube 6 and second outer section of thick bamboo 7, and all set up the first amortization hole 3 that link up on second inner tube 6 and second outer section of thick bamboo 7, can form the multilayer and perforate a section of thick bamboo to form multilayer amortization noise reduction structure on the section of thick bamboo wall of water conservancy diversion circle 1, play better amortization noise reduction effect.
Preferably, the thickness of the second inner cylinder 6 is greater than the thickness of the second outer cylinder 7. Specifically, in this embodiment, the thickness of the second inner tube 6 is 4mm, and the thickness of the second outer tube 7 is 2mm, so that the occupation of the tube body to the tube wall space of the guide ring 1 can be reduced, thereby more effectively forming a silencing cavity and improving the silencing effect. In the present embodiment, the thickness of the second outer cylinder 7 is smaller than that of the second inner cylinder 6, because the second inner cylinder 6 is closer to the air flow, so that the influence of vibration generated when the air flow flows on the second inner cylinder 6 is greater, if the thickness of the second inner cylinder 6 is too small, the second inner cylinder 6 is caused to vibrate along with the flow of the air flow, resulting in a reduction in vibration and noise reduction effect of the second inner cylinder 6 on the air flow.
Preferably, the rectifying plate 2 is provided with a second silencing hole 9; and/or the rectifying plate 2 is made of sound absorbing material. When the airflow flows through the rectifying plate 2, the rectifying plate 2 can not only rectify the airflow, but also can play a silencing role, so that the airflow flowing loss can be reduced, and the airflow flowing noise can be reduced.
When the inner wall of the guide ring 1 and the rectifying plate 2 are provided with the silencing holes, the guide ring and the rectifying plate are combined to be silenced, so that pneumatic noise and wind cavity resonance can be reduced to the greatest extent.
Referring to fig. 4 to 6 in combination, according to an embodiment of the present application, an air conditioner includes a deflector, which is the deflector described above. The air conditioner is preferably a cabinet air conditioner.
The air conditioner further comprises an air conditioner shell 10, the air conditioner shell 10 comprises an upper air port 11 and a lower air port 12, a fan and a heat exchanger 14 are arranged between the upper air port 11 and the lower air port 12, and the guide ring 1 is arranged in an air channel between the fan and the heat exchanger 14. The guide ring 1 is located between the fan and the heat exchanger 14, and is used for guiding the airflow in the internal air duct, on one hand, guiding and rectifying the airflow flowing through the guide ring 1, and on the other hand, silencing the airflow flowing through the guide ring 1, reducing airflow flowing noise and improving airflow flowing efficiency. The internal air duct is respectively communicated with the upper air port 11 and the lower air port 12.
The fan is an axial flow fan, the axial flow fan is arranged in an air channel between the upper air inlet 11 and the lower air inlet 12, and the heat exchanger 14 is arranged at the lower air inlet 12. In the working process of the air conditioner, when the air conditioner is in a refrigerating state, a lower air inlet upper air outlet mode can be selected, so that cold air enters the air channel through the lower air inlet 12, flows out of the air channel through the upper air inlet 11, and then forms bath type air outlet; when in a heating state, a lower air outlet and upper air inlet mode can be selected, so that cold air enters the air channel through the upper air inlet 11 and flows out of the air channel through the lower air inlet 12, and then transpiration type air outlet is formed, and the air outlet comfort level is improved. The upper air opening 11 is an annular air outlet; and/or the lower tuyere 12 comprises two tuyeres arranged opposite to each other. In this embodiment, the upper air opening 11 is an annular air outlet, and the lower air opening 12 includes a plurality of air openings, so that wide-angle air supply can be realized, and the effects of enhancing convection and heat exchange are achieved.
The axial flow fan is a disrotatory axial flow fan 13, and the disrotatory axial flow fan 13 comprises an upper axial flow fan blade and a lower axial flow fan blade, and the air supply directions of the upper axial flow fan blade and the lower axial flow fan blade are consistent.
The air conditioner case 10 includes an upper case and a lower case, which are different in shape.
Preferably, the guide ring 1 of the guide device is annular, the sectional area of the guide ring 1 decreases along the direction from the upper air port 11 to the lower air port 12, and the section of the annular wall of the guide ring 1 is arc-shaped.
The upper shell is a cylinder, and the lower shell is a cuboid; or the upper shell is a cylinder, and the lower shell is a cube.
In this embodiment, the upper housing is a cylinder, the lower housing is a cuboid, in the axial projection, the projection of the cuboid is a rectangle, the projection of the cylinder is a circle, and the rectangle is inscribed and circular. The lower shell is arranged to be cuboid, so that the arrangement of the heat exchanger is facilitated, the lower shell of the cuboid is adopted, the structure of the lower shell is more matched with that of the heat exchanger, the heat exchanger can be fully contacted with air at the air outlet 12, the heat exchange efficiency is improved, and meanwhile, the waste of the inner space of the lower shell can be avoided.
In this embodiment, the upper edge of the guide ring 1 extends to the inner wall of the upper housing, and the lower edge of the guide ring 1 extends to the end face of the heat exchanger and corresponds to the inner edge of the heat exchanger.
When the air conditioner is in an upper air inlet and lower air outlet mode, air flow enters the upper shell from the upper air inlet 11, then moves downwards under the action of the axial flow fan, enters the inner peripheral side of the heat exchanger after being subjected to flow guiding and noise reduction through the flow guiding device, and flows out from the lower air inlet 12 of the lower shell after heat exchange through the heat exchanger, so that the air flow and the heat exchanger perform full heat exchange, the heat exchange efficiency is improved, meanwhile, the air flow noise possibly caused by the change of the cross section of the shell at the connecting position of the upper shell and the lower shell can be effectively reduced by utilizing the structure of the flow guiding device, and the noise quantity is reduced while the air flow efficiency is improved.
When the air conditioner is in a lower air inlet and upper air outlet mode, air flow enters the lower shell from the lower air inlet 12 of the lower shell, enters the inner peripheral side of the heat exchanger after heat exchange of the heat exchanger, then ascends under the action of the axial flow fan, enters the upper shell after flow diversion and noise reduction of the flow diversion device when reaching the position of the flow diversion device, and then is blown out from the upper air inlet 11 of the upper shell under the action of the axial flow fan.
The air conditioning case 10 may be formed entirely as a cylinder, a rectangular parallelepiped, a square, or the like.
The heat exchanger 14 may be configured in a "V" shape, an "inverted V" shape, a "straight" shape, or a "C" shape.
The number of the upper and lower tuyeres may be one or more.
In the structure of the air conditioner in fig. 5, two air outlets 12 are arranged in the circumferential direction of the heat exchanger 14, the structure is a combined surface of two curved surfaces and a plane, the circular heat exchanger is arranged in the internal air duct, the fan assembly is composed of a plurality of axial flow fan blades, a fixing piece and a driving piece, the fan assembly is arranged in the internal air duct and is located above the heat exchanger 14, the two axial flow fan blades are preferably 2 axial flow fan blades in this embodiment, namely an upper axial flow fan blade and a lower axial flow fan blade, the air supply directions of the plurality of axial flow fan blades are identical when the fan operates, and the rotation directions of at least two or more axial flow fan blades are opposite.
In fig. 5, a flow diagram of the air flow structure under the refrigeration condition is shown. When the air conditioner is used for refrigerating, as shown by the arrow in fig. 5, the fan driving assembly is used for controlling the multi-axial fan to rotate simultaneously, so that cold air is blown upwards, the air enters into a heat exchange air duct of the air conditioner from the lower air opening 12, enters into the circular heat exchanger 14 for heat exchange after being rectified and silenced by the guide ring 1, is blown out from the upper annular air opening, cold air blown out from the air conditioner can be conveyed to a longer distance, the air supply angle is wider, the convection and heat exchange of the air flow are enhanced, and the rapid refrigerating is realized.
In fig. 6, a flow diagram of the air flow structure in the heating operation is shown. When the air conditioner heats, as shown by the arrow in fig. 6, the fan driving assembly controls the multi-axial fan to rotate simultaneously, so that hot air is blown downwards, the air enters into the heat exchange air duct of the air conditioner from the upper annular air opening, enters into the circular heat exchanger 14 for heat exchange after being rectified and silenced by the guide ring 1, and is blown out from the lower air opening of the air conditioner, so that hot air in the air conditioner is blown out from the lower part and then rises upwards, and the lower part is provided with a plurality of air openings, so that the air supply distance of the hot air is farther, the air supply range is larger, the cold and hot air in the whole space is subjected to convection and heat exchange, the temperature distribution in the room is uniform, and the use comfort of a user is improved.
It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application. The foregoing is merely a preferred embodiment of the present application, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present application, and these modifications and variations should also be regarded as the scope of the application.

Claims (19)

1. The flow guiding device is characterized by comprising a flow guiding ring (1) and a flow guiding plate (2) arranged in the flow guiding ring (1), wherein the flow guiding plate (2) extends along the axial direction of the flow guiding ring (1), two sides of the flow guiding plate (2) are connected to the inner wall of the flow guiding ring (1), and the flow guiding plate (2) divides a flow guiding channel of the flow guiding ring (1) into at least two flow guiding areas;
The inner peripheral wall of the guide ring (1) is provided with a first silencing hole (3), the guide ring (1) comprises a first inner cylinder (4) and a first outer cylinder (5), the first inner cylinder (4) is positioned on the inner peripheral side of the first outer cylinder (5), and the first inner cylinder (4) is provided with the first silencing hole (3); the novel air conditioner is characterized in that a transverse baffle (8) is further arranged between the first inner cylinder (4) and the first outer cylinder (5), the transverse baffle (8) is arranged along the circumferential direction of the guide ring (1), and a cavity surrounded by the first inner cylinder (4) and the first outer cylinder (5) is divided into at least two along the axial direction.
2. A deflector according to claim 1, characterized in that the straightening plate (2) is rectilinear in its axial extension.
3. A deflector according to claim 2, characterized in that the rectifying plate (2) is a straight plate or an arcuate plate.
4. A deflector according to claim 1, characterized in that the number of said rectifying plates (2) is plural, and that the plurality of said rectifying plates (2) are parallel or intersect in said deflector (1).
5. A deflector according to claim 4, characterized in that the rectifying plate (2) comprises at least two straight plates, wherein the two straight plates intersect perpendicularly, the intersection line being located on the central axis of the deflector (1).
6. The flow guiding device according to claim 1, wherein the number of the rectifying plates (2) is two, the rectifying plates (2) are divided into two groups, the rectifying plates (2) in the first group of rectifying plates (2) are parallel to each other, the rectifying plates (2) in the second group of rectifying plates (2) are parallel to each other, and the rectifying plates (2) in the first group of rectifying plates (2) are perpendicular to the rectifying plates (2) in the second group.
7. A deflector according to claim 1, characterized in that the thickness of the transverse baffle (8) is 3mm.
8. The flow guiding device according to claim 1, characterized in that a second inner cylinder (6) is further arranged between the first inner cylinder (4) and the first outer cylinder (5), and the first silencing hole (3) is arranged on the second inner cylinder (6).
9. A deflector according to claim 8, characterized in that a second outer cylinder (7) is arranged between the second inner cylinder (6) and the first outer cylinder (5), the second outer cylinder (7) being provided with the first sound damping hole (3).
10. A deflector according to claim 9, characterized in that the thickness of the second inner cylinder (6) is greater than the thickness of the second outer cylinder (7).
11. A deflector according to claim 10, characterized in that the thickness of the second inner cylinder (6) is 4mm and the thickness of the second outer cylinder (7) is 2mm.
12. A deflector according to any one of claims 1 to 6, characterized in that the rectifying plate (2) is provided with a second sound-deadening hole (9); and/or the rectifying plate (2) is made of sound absorbing materials.
13. An air conditioner comprising a deflector, wherein the deflector is as claimed in any one of claims 1 to 12.
14. The air conditioner according to claim 13, further comprising an air conditioning housing (10), wherein the air conditioning housing (10) comprises an upper air port (11) and a lower air port (12), a fan and a heat exchanger (14) are arranged between the upper air port (11) and the lower air port (12), and the guide ring (1) is arranged in an air duct between the fan and the heat exchanger (14).
15. The air conditioner according to claim 14, wherein the fan is an axial flow fan, the axial flow fan is arranged in an air duct between the upper air port (11) and the lower air port (12), and the heat exchanger (14) is arranged at the lower air port (12); and/or the guide ring (1) of the guide device is annular, the sectional area of the guide ring (1) is gradually reduced along the direction from the upper air opening (11) to the lower air opening (12), and the section of the annular wall of the guide ring (1) is arc-shaped.
16. An air conditioner according to claim 14, wherein the upper air opening (11) is an annular air outlet; and/or, the lower tuyere (12) comprises two tuyeres which are oppositely arranged.
17. The air conditioner according to claim 15, wherein the axial flow fan is a counter-rotating axial flow fan (13), the counter-rotating axial flow fan (13) comprises an upper axial flow fan blade and a lower axial flow fan blade, and the air supply directions of the upper axial flow fan blade and the lower axial flow fan blade are consistent.
18. An air conditioner according to claim 14, wherein the air conditioner case (10) includes an upper case and a lower case, the upper case and the lower case being different in shape.
19. The air conditioner of claim 18, wherein the upper case is a cylinder and the lower case is a rectangular parallelepiped; or, the upper shell is a cylinder, and the lower shell is a cube.
CN201911086390.8A 2019-11-08 2019-11-08 Flow guiding device and air conditioner Active CN110762820B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911086390.8A CN110762820B (en) 2019-11-08 2019-11-08 Flow guiding device and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911086390.8A CN110762820B (en) 2019-11-08 2019-11-08 Flow guiding device and air conditioner

Publications (2)

Publication Number Publication Date
CN110762820A CN110762820A (en) 2020-02-07
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