CN210861438U - Air inlet grille and air condensing units - Google Patents

Air inlet grille and air condensing units Download PDF

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Publication number
CN210861438U
CN210861438U CN201920641010.1U CN201920641010U CN210861438U CN 210861438 U CN210861438 U CN 210861438U CN 201920641010 U CN201920641010 U CN 201920641010U CN 210861438 U CN210861438 U CN 210861438U
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China
Prior art keywords
air
radial
water conservancy
conservancy diversion
diversion piece
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CN201920641010.1U
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Chinese (zh)
Inventor
宋英杰
马列
周何杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Priority to CN201920641010.1U priority Critical patent/CN210861438U/en
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Abstract

The utility model discloses an air inlet grid and air condensing units, air inlet grid is located the air inlet side of fan, air inlet grid includes circumference water conservancy diversion piece and radial water conservancy diversion piece, every circumference water conservancy diversion piece extends towards air inlet grid's central slope, link to each other through radial water conservancy diversion piece between two adjacent circumference water conservancy diversion pieces, set for the intersection line of every circumference water conservancy diversion piece and arbitrary one radial water conservancy diversion piece to be first intersection line, the contained angle between first intersection line and the reference surface is α, in the direction from radial outside to radial inboard, the contained angle α that a plurality of circumference water conservancy diversion pieces correspond increases gradually, wherein the reference surface is the plane perpendicular with the central axis of every circumference water conservancy diversion piece, through circumference water conservancy diversion piece and radial water conservancy diversion piece cooperation, can carry out the rectification to the air current before the air current gets into the fan, can make the air inlet direction of air current and the wind wheel attack angle of fan more match, thereby can improve the flow efficiency of air current.

Description

Air inlet grille and air condensing units
Technical Field
The utility model belongs to the technical field of life electrical apparatus and specifically relates to an air-inlet grille and have air condensing units of this air-inlet grille and relate to.
Background
In the related art, an air inlet grille at an inlet of a fan of an outdoor unit of an air conditioner has no flow guide effect, airflow is directly sucked into an air duct by the fan, the airflow at the inlet is not rectified, the flowing efficiency of the airflow is low, and the power of the fan is high when the outdoor unit of the air conditioner works.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an air-inlet grille, this air-inlet grille can improve the flow efficiency of air current.
The utility model discloses an air condensing units is further provided.
According to the utility model discloses an air-inlet grille, air-inlet grille is located the air inlet side of fan, air-inlet grille includes a plurality of annular circumference water conservancy diversion pieces, in radial direction, a plurality of circumference water conservancy diversion piece overlaps in proper order and establishes the setting, and in the flow direction of air, two adjacent lie in inboard in the circumference water conservancy diversion piece is located another the upstream of circumference water conservancy diversion piece, every the circumference water conservancy diversion piece is towards the central slope of air-inlet grille extends, radial water conservancy diversion piece, adjacent two link to each other through radial water conservancy diversion piece between the circumference water conservancy diversion piece, set for every circumference water conservancy diversion piece and arbitrary one the intersection line of radial water conservancy diversion piece is first intersection line, contained angle between first intersection line and the reference plane is α, from radial outside to radial inboard direction, a plurality of contained angle α that the circumference water conservancy diversion piece corresponds increases gradually, wherein the reference plane be with every the central axis vertically plane of circumference water conservancy diversion piece.
According to the utility model discloses an air-inlet grille, through circumference water conservancy diversion piece and radial water conservancy diversion piece cooperation, can carry out the rectification to the air current before the air current gets into the fan, can make the inlet direction of air current and the wind wheel angle of attack of fan match more to can improve the flow efficiency of air current.
In some examples of the present invention, the air inlet grille further comprises an annular mounting ring, the mounting ring is sleeved with a plurality of circumferential baffles, the mounting ring and the circumferential baffles located at the outermost side are connected by radial baffles.
In some examples of the present invention, the radial baffles are a plurality of and circumferentially spaced apart, each radial baffle is a plurality of circumferentially spaced apart from each other and the circumferential baffles are spaced apart from each other by a mounting ring.
In some examples of the invention, the plurality of radial baffles are circumferentially evenly spaced apart.
In some examples of the invention, the mounting face of the mounting ring is parallel to the datum plane.
The utility model discloses an in some examples, in the axial direction, the thickness of air inlet grille is H, the radius of air inlet grille's periphery wall is R, and wherein the value scope of R/H is 2.0 ~ 3.5.
In some examples of the invention, the gap between two adjacent circumferential deflectors increases gradually in a direction from the radially inner side to the outer side.
In some examples of the invention, the radial guide vanes are perpendicular to the datum plane.
In some examples of the present invention, the radial guide vanes extend in a curved manner, and the curved direction of the plurality of radial guide vanes is the same.
According to the utility model discloses an air condensing units includes: casing, fan and air inlet grid. The shell is provided with an air inlet and an air outlet; the fan is arranged in the shell; the air inlet grille is the air inlet grille, and the air inlet grille is located on the air inlet side of the fan.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of an air intake grille and a housing according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an air intake grille assembled with a housing in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of an air intake grille according to an embodiment of the present invention;
FIG. 4 is a front view of an air intake grille according to an embodiment of the present invention;
FIG. 5 is a side view of an air intake grille according to an embodiment of the present invention;
FIG. 6 is an enlarged view at A in FIG. 5;
fig. 7 is a schematic diagram of a relationship between a fan intake and a fan power according to an embodiment of the present invention.
Reference numerals:
an air-inlet grille 10;
a circumferential guide vane 1; radial guide vanes 2; a mounting ring 3; a first intersection line 4; a reference surface 5;
a housing 20; an air inlet 30; a fan 40.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An air intake grille 10 according to an embodiment of the present invention is described below with reference to fig. 1 to 7.
As shown in fig. 1-7, according to the air inlet grille 10 of the embodiment of the present invention, the air inlet grille 10 is located on the air inlet side of the fan 40, the air inlet grille 10 includes a plurality of annular circumferential deflectors 1 and radial deflectors 2, in the radial direction, the plurality of circumferential deflectors 1 are sequentially sleeved and disposed, and two adjacent circumferential deflectors 1 are disposed at intervals, in the flow direction of air, i.e., in the front-back direction in fig. 5, the inner circumferential deflector 1 of the two adjacent circumferential deflectors 1 is located at the upstream of the other circumferential deflector 1, each circumferential deflector 1 is disposed to extend obliquely toward the center of the air inlet grille 10, and the two adjacent circumferential deflectors 1 are connected by the radial deflectors 2, the intersection line of each circumferential deflector 1 and any one radial deflector 2 is set to be a first intersection line 4, the included angle between the first intersection line 4 and the reference plane 5 is α, in the direction from the radial outside to the radial inside, the plurality of circumferential deflectors 1 correspond to an included angle α that is gradually increased, when the airflow flows through the air inlet grille 10 from the radial side, the airflow guide vanes 10 can be more illustrated as the flow efficiency of the air inlet grille 40.
When the fan 40 starts to work, the airflow flows through the air inlet grille 10 from the air inlet side of the fan 40, and then flows into the fan 40. When the air current flows through the air inlet grille 10, under the combined action of the circumferential guide vane 1 and the radial guide vane 2, the air current can be rectified before entering the fan 40, so that the air current can flow more uniformly, and the flowing efficiency of the air current can be further improved. Meanwhile, as shown in fig. 7, compared with the case that the air inlet grille 10 of the present application is not installed on the air inlet side of the fan 40, the air inlet grille 10 of the present application is installed on the air inlet side of the fan 40, and under the condition of the same air inlet amount, the power consumed by the motor is reduced after the air inlet grille 10 of the present application is installed on the fan 40, so that the power consumed by the fan 40 can be reduced after the air inlet grille 10 is installed on the fan 40.
From this, through the cooperation of circumference water conservancy diversion piece 1 and radial water conservancy diversion piece 2, can carry out the rectification to the air current before the air current gets into fan 40, can make the direction of admitting air of air current and fan 40's wind wheel angle of attack more match to the flow efficiency of air current can be improved.
In some embodiments of the present invention, as shown in fig. 3-5, the air-inlet grille 10 may further include: annular collar 3, 3 overcoat of collar are in the outside of a plurality of circumference water conservancy diversion pieces 1, that is to say, in radial direction, 3 overcoat of collar are in the outside of the circumference water conservancy diversion piece 1 in the outside, collar 3 can link to each other through radial water conservancy diversion piece 2 with the circumference water conservancy diversion piece 1 that is located the outside, so set up and can save to set up other spare parts and be connected collar 3 and circumference water conservancy diversion piece 1, can will reduce the spare part quantity of constituteing air inlet grille 10, thereby can reduce the manufacturing cost of air inlet grille 10, and, also can simplify the structure of air inlet grille 10, thereby can reduce the manufacturing degree of difficulty of air inlet grille 10, and then can promote the production efficiency of air inlet grille 10.
The utility model discloses an in some embodiments, radial guide vane 2 is a plurality of, and a plurality of radial guide vanes 2 are along circumference interval distribution moreover, also can understand, and a plurality of radial guide vanes 2 are spaced apart in the circumference direction of air-inlet grille 10 and are arranged, and every radial guide vane 2 is spaced apart with a plurality of circumference guide vanes 1 and collar 3 respectively and is set up, sets up like this and can guarantee that the air current can flow through air-inlet grille 10 smoothly, can guarantee that the air current can flow in fan 40. And, a plurality of radial guide vanes 2 can support a plurality of circumference guide vanes 1 to can make the overall structure of air-inlet grille 10 more stable, when the air current flows through air-inlet grille 10, can avoid a plurality of circumference guide vanes 1 to vibrate, thereby can reduce the operating noise of air-inlet grille 10.
The utility model discloses an in some embodiments, a plurality of radial water conservancy diversion pieces 2 are along the even spaced apart setting of circumference, so set up and to support a plurality of circumference water conservancy diversion pieces 1 better, also can make a plurality of circumference water conservancy diversion pieces 1 support a plurality of radial water conservancy diversion pieces 2, can promote the overall structure intensity of air-inlet grille 10, when the air current flows through air-inlet grille 10, can prevent radial water conservancy diversion piece 2 and the deformation of circumference water conservancy diversion piece 1, thereby can prevent radial water conservancy diversion piece 2 and the fracture of circumference water conservancy diversion piece 1, and then can prolong the life of air-inlet grille 10.
The utility model discloses an in some embodiments, the installation face of collar 3 is on a parallel with reference surface 5, sets up like this and can install collar 3 firmly in the air inlet side of fan 40, also can reduce the assembly degree of difficulty of collar 3 and fan 40.
In some embodiments of the utility model, as shown in fig. 4 and 5, in the axial direction, the thickness of air-inlet grille 10 is H, the radius of the periphery wall of air-inlet grille 10 is R, wherein the value scope of R/H is 2.0 ~ 3.5, so set up and to make air-inlet grille 10 bulge towards the air inlet side of fan 40, can prevent that air-inlet grille 10 from becoming the toper, after air current flows air-inlet grille 10, air-inlet grille 10 can make the air current gather together to air-inlet grille 10's center better, can make the air current get into fan 40 more smoothly, thereby can increase fan 40's intake.
The utility model discloses a some embodiments, in the direction from radial inboard to radial outside, the clearance between two adjacent circumference water conservancy diversion pieces 1 increases gradually, sets up the intake that can increase air-inlet grille 10 like this, in the unit interval, can make more air currents get into fan 40 to can further improve the flow efficiency of air current.
The utility model discloses an in some embodiments, radial guide vane 2 can be perpendicular to reference surface 5, that is to say, radial guide vane 2 is perpendicular with collar 3, and in the in-process that the air current flowed through air-inlet grille 10, so set up and to avoid radial guide vane 2 to block the air current and flow through air-inlet grille 10, can make the air current flow through air-inlet grille 10 smoothly to can guarantee fan 40's intake.
The utility model discloses a some embodiments, the crooked extension of radial guide vane 2, the crooked direction of a plurality of radial guide vanes 2 is the same, sets up the air inlet area that can increase air-inlet grille 10 like this, can make the flow direction of air current more orderly, when the air current flows into fan 40 from the air inlet side of fan 40, can further improve the whole flow efficiency of air current.
The utility model discloses an in some embodiments, radial water conservancy diversion piece 2 can clockwise or anticlockwise deflect, and when the air current flowed through air-inlet grille 10, radial water conservancy diversion piece 2 can produce certain effect of spiraling in advance to the air current, can further promote the flow efficiency of air current.
As shown in fig. 1 to 5, an outdoor unit of an air conditioner according to an embodiment of the present invention includes: a casing 20, a fan 40 and an air intake grill 10. The air inlet grille 10 is the air inlet grille 10 of the above embodiment, the casing 20 is provided with the air inlet 30 and the air outlet, the fan 40 is arranged in the casing 20, the air inlet grille 10 is located on the air inlet side of the fan 40, the air inlet grille 10 can rectify the air flow before the air flow enters the fan 40, the air inlet direction of the air flow can be matched with the wind wheel attack angle of the fan 40, the flowing efficiency of the air flow can be improved, and the working performance of the air conditioning outdoor unit can be improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides an air-inlet grille, air-inlet grille is located the air inlet side of fan, its characterized in that, air-inlet grille includes:
the air inlet grille is characterized by comprising a plurality of annular circumferential guide vanes, wherein the plurality of circumferential guide vanes are sequentially sleeved in the radial direction, in the air flowing direction, the circumferential guide vane positioned at the inner side in two adjacent circumferential guide vanes is positioned at the upstream of the other circumferential guide vane, and each circumferential guide vane obliquely extends towards the center of the air inlet grille;
radial water conservancy diversion piece, adjacent two pass through between the circumference water conservancy diversion piece radial water conservancy diversion piece links to each other, sets for every circumference water conservancy diversion piece and arbitrary one the line of intersection of radial water conservancy diversion piece is first line of intersection, contained angle between first line of intersection and the reference surface is α, and is a plurality of in the direction from radial outside to radial inboard contained angle α that the circumference water conservancy diversion piece corresponds crescent, wherein the reference surface be with every the central axis vertically plane of circumference water conservancy diversion piece.
2. An air intake grille according to claim 1 further comprising an annular mounting ring surrounding the plurality of circumferential deflectors, the mounting ring and the outermost circumferential deflector being connected by the radial deflector.
3. The air intake grille of claim 2, wherein the radial baffles are circumferentially spaced apart, and each radial baffle is spaced apart from a plurality of the circumferential baffles and the mounting ring.
4. The air intake grille of claim 3, wherein the plurality of radial baffles are evenly circumferentially spaced.
5. The air intake grille of claim 2 wherein the mounting face of the mounting ring is parallel to the datum plane.
6. The air inlet grille of claim 1, wherein the thickness of the air inlet grille in the axial direction is H, and the radius of the outer peripheral wall of the air inlet grille is R, wherein R/H ranges from 2.0 to 3.5.
7. A grille shutter according to claim 1 wherein the gap between adjacent ones of the circumferential deflectors increases in a direction from a radially inner side to an outer side.
8. An air intake grille according to claim 1 wherein the radial guide vanes are perpendicular to the reference plane.
9. An air intake grille according to claim 1, wherein the radial guide vanes extend in a curved manner, and the curved directions of the plurality of radial guide vanes are the same.
10. An outdoor unit of an air conditioner, comprising:
the air conditioner comprises a shell, a fan and a fan, wherein the shell is provided with an air inlet and an air outlet;
the fan is arranged in the shell;
the air-inlet grille according to any one of claims 1 to 9, the air-inlet grille being located on an air-inlet side of the fan.
CN201920641010.1U 2019-05-05 2019-05-05 Air inlet grille and air condensing units Active CN210861438U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920641010.1U CN210861438U (en) 2019-05-05 2019-05-05 Air inlet grille and air condensing units

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920641010.1U CN210861438U (en) 2019-05-05 2019-05-05 Air inlet grille and air condensing units

Publications (1)

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CN210861438U true CN210861438U (en) 2020-06-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112503030A (en) * 2020-12-03 2021-03-16 泛仕达机电股份有限公司 Noise-reduction flow guide grid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112503030A (en) * 2020-12-03 2021-03-16 泛仕达机电股份有限公司 Noise-reduction flow guide grid
CN112503030B (en) * 2020-12-03 2023-04-25 泛仕达机电股份有限公司 Noise reduction flow guide grid

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