CN209944584U - Air inlet grille and air condensing units - Google Patents
Air inlet grille and air condensing units Download PDFInfo
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- CN209944584U CN209944584U CN201920641253.5U CN201920641253U CN209944584U CN 209944584 U CN209944584 U CN 209944584U CN 201920641253 U CN201920641253 U CN 201920641253U CN 209944584 U CN209944584 U CN 209944584U
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- inlet grille
- conservancy diversion
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Abstract
The utility model discloses an air-inlet grille and air condensing units, air-inlet grille are located the air inlet side of fan, and air-inlet grille includes: circumferential guide vanes and radial guide vanes. The circumferential guide vane positioned at the inner side of the two adjacent circumferential guide vanes is positioned at the upstream of the other circumferential guide vane; two adjacent circumference water conservancy diversion piece passes through radial water conservancy diversion piece links to each other, and 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 range of R/H is 1.5 ~ 3. From this, through circumference water conservancy diversion piece and radial water conservancy diversion piece, can carry out the rectification to the air current before the air current gets into the fan, can make the direction of admitting air of air current and the wind wheel angle of attack of fan match more to can improve the flow efficiency of air current, and, also can prevent that the air-inlet grille from becoming the toper, can make the air current gather together to the center of air-inlet grille better.
Description
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: the air flow guiding device comprises a plurality of annular circumferential flow guiding sheets, wherein the plurality of circumferential flow guiding sheets are sequentially sleeved in the radial direction, and in the air flow direction, the circumferential flow guiding sheet positioned on the inner side in two adjacent circumferential flow guiding sheets is positioned on the upstream of the other circumferential flow guiding sheet; radial guide vane, adjacent two the circumference guide vane passes through radial guide vane links to each other, and 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 range of R/H is 1.5 ~ 3.
According to the utility model discloses an air-inlet grille, through circumference water conservancy diversion piece and radial water conservancy diversion piece, 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, and, also can prevent that air-inlet grille from becoming the toper, can make the air current gather together to air-inlet grille's center better.
In some examples of the invention, each circumferential deflector extends obliquely towards a center of the air intake grille; radial water conservancy diversion piece is a plurality of, and is a plurality of radial water conservancy diversion piece sets up along circumference interval, every radial water conservancy diversion piece is respectively with a plurality of the circumference water conservancy diversion piece links to each other, and is a plurality of the inner of radial water conservancy diversion piece links to each other into the convergent point, the convergent point is located the most inboard the inboard of circumference water conservancy diversion piece sets 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 surface is alpha, and is a plurality of in the direction from radial outside to radial inboard the contained angle alpha that the circumference water conservancy diversion piece corresponds increases gradually, wherein the reference surface be with every the central axis vertically plane of circumference water conservancy diversion piece.
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 invention, the mounting face of the mounting ring is parallel to the datum plane.
In some examples of the invention, the plurality of radial baffles are circumferentially evenly spaced apart.
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.
In some examples of the invention, the circumferential baffle and the radial baffle are integrally formed.
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 according to any one of claims 1 to 9, and is positioned 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, and the air-inlet grille 10 includes: a plurality of annular circumferential guide vanes 1 and radial guide vanes 2. In the radial direction, the plurality of circumferential baffles 1 are sequentially sleeved, and two adjacent circumferential baffles 1 are arranged at intervals, in the air flowing direction, i.e. in the front-back direction in fig. 5, the circumferential baffle 1 positioned at the inner side of the two adjacent circumferential baffles 1 is positioned at the upstream of the other circumferential baffle 1, the two adjacent circumferential baffles 1 are connected through the radial baffles 2, in the axial direction, the thickness of the air inlet grille 10 is H, the radius of the outer circumferential wall of the air inlet grille 10 is R, wherein the value range of R/H is 1.5-3, so that the air inlet grille 10 can be protruded towards the air inlet side of the fan 40, the air inlet grille 10 can be prevented from being tapered, after the air flow passes through the air inlet grille 10, the air inlet grille 10 can enable the air flow to better gather towards the center of the air inlet grille 10, and the air flow can more smoothly enter the fan 40, so that the intake of the fan 40 can be increased.
In some embodiments of the present invention, each circumferential baffle 1 is obliquely extended towards the center of the air inlet grille 10. And, the radial guide vanes 2 are plural, the radial guide vanes 2 are arranged at intervals along the circumferential direction, each radial guide vane 2 is connected with the circumferential guide vanes 1, the inner ends of the radial guide vanes 2 are connected to form a convergence point, the convergence point is located at the inner side of the innermost circumferential guide vane 1, the intersection line of each circumferential guide vane 1 and any one of the radial guide vanes 2 is set as a first intersection line 4, the included angle between the first intersection line 4 and the reference plane 5 is alpha, and the included angle alpha corresponding to the circumferential guide vanes 1 is gradually increased in the direction from the radial outer side to the radial inner side, when the air flows through the air inlet grille 10 from the side of the air blower 40, the air inlet grille 10 can guide the air flow to the air blower 40, so that the air inlet direction of the air flow is more matched with the attack angle of the wind wheel of the air blower 40, and the flow efficiency of the air flow can be improved. Note that the reference surface 5 is a plane perpendicular to the central axis of each circumferential vane 1.
And, a plurality of radial guide vanes 2 are along circumference interval distribution, and a plurality of radial guide vanes 2 are spaced apart in the circumferential direction of air-inlet grille 10 and are arranged, and the setting can guarantee that the air current can flow through air-inlet grille 10 smoothly like this, can guarantee that the air current can flow into 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.
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 match more to can improve the flow efficiency of air current, and, also can prevent that air-inlet grille 10 from becoming the toper, can make the air current gather together to air-inlet grille 10's center better.
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, 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.
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, a plurality of circumference water conservancy diversion pieces 1 and a plurality of radial water conservancy diversion piece 2 are integrated into one piece spare, and integrated into one piece spare's structural strength is big, so set up the utmost point structural strength that can promote air-inlet grille 10, can prevent that circumference water conservancy diversion piece 1 and radial water conservancy diversion piece 2 from separating to can guarantee the operational reliability of air-inlet grille 10.
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 flow guiding device comprises a plurality of annular circumferential flow guiding sheets, wherein the plurality of circumferential flow guiding sheets are sequentially sleeved in the radial direction, and in the air flow direction, the circumferential flow guiding sheet positioned on the inner side in two adjacent circumferential flow guiding sheets is positioned on the upstream of the other circumferential flow guiding sheet;
radial guide vane, adjacent two the circumference guide vane passes through radial guide vane links to each other, and 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 range of R/H is 1.5 ~ 3.
2. An air intake grille according to claim 1 wherein each of the circumferential deflectors extends obliquely towards a centre of the air intake grille;
radial water conservancy diversion piece is a plurality of, and is a plurality of radial water conservancy diversion piece sets up along circumference interval, every radial water conservancy diversion piece is respectively with a plurality of the circumference water conservancy diversion piece links to each other, and is a plurality of the inner of radial water conservancy diversion piece links to each other into the convergent point, the convergent point is located the most inboard the inboard of circumference water conservancy diversion piece sets 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 surface is alpha, and is a plurality of in the direction from radial outside to radial inboard the contained angle alpha that the circumference water conservancy diversion piece corresponds increases gradually, wherein the reference surface be with every the central axis vertically plane of circumference water conservancy diversion piece.
3. An air intake grille according to claim 2 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.
4. A grill as claimed in claim 3 wherein the mounting surface of the mounting ring is parallel to the datum surface.
5. The air intake grille of claim 2, wherein the plurality of radial baffles are evenly circumferentially spaced.
6. 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.
7. An air intake grille according to claim 2 wherein the radial guide vanes are perpendicular to the datum plane.
8. An air intake grille according to claim 2, wherein the radial guide vanes extend in a curved manner, and the curved directions of the plurality of radial guide vanes are the same.
9. An air intake grille according to any one of claims 2 to 8 wherein the plurality of circumferential deflectors and the plurality of radial deflectors are an integral part.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920641253.5U CN209944584U (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 |
|---|---|---|---|
| CN201920641253.5U CN209944584U (en) | 2019-05-05 | 2019-05-05 | Air inlet grille and air condensing units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209944584U true CN209944584U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920641253.5U Active CN209944584U (en) | 2019-05-05 | 2019-05-05 | Air inlet grille and air condensing units |
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| Country | Link |
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| CN (1) | CN209944584U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442573A (en) * | 2020-04-07 | 2020-07-24 | 河南江扬机电设备安装有限公司 | Central air conditioning equipment with external defrosting function |
| CN111828392A (en) * | 2020-06-28 | 2020-10-27 | 宁波方太厨具有限公司 | Air inlet ring assembly, fan system and range hood |
-
2019
- 2019-05-05 CN CN201920641253.5U patent/CN209944584U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442573A (en) * | 2020-04-07 | 2020-07-24 | 河南江扬机电设备安装有限公司 | Central air conditioning equipment with external defrosting function |
| CN111828392A (en) * | 2020-06-28 | 2020-10-27 | 宁波方太厨具有限公司 | Air inlet ring assembly, fan system and range hood |
| CN111828392B (en) * | 2020-06-28 | 2021-07-23 | 宁波方太厨具有限公司 | Air inlet ring assembly, fan system and range hood |
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