CN218523668U - Air outlet grille, air conditioner external unit and air conditioner - Google Patents
Air outlet grille, air conditioner external unit and air conditioner Download PDFInfo
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- CN218523668U CN218523668U CN202222732477.1U CN202222732477U CN218523668U CN 218523668 U CN218523668 U CN 218523668U CN 202222732477 U CN202222732477 U CN 202222732477U CN 218523668 U CN218523668 U CN 218523668U
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Abstract
Provided are an air outlet grille, an air conditioner outdoor unit and an air conditioner. The air-out grid includes: the main body is provided with a groove on the windward side, and the groove is positioned on the grid bars of the main body and is arranged to correspond to the blades of the fan blades. The air outlet grille is applied to an air conditioner external unit, the windward side of the air outlet grille faces the fan blade, the groove corresponds to the blade of the fan blade, the air outlet airflow blown by the blade of the fan blade flows towards the windward side of the air outlet grille, the air outlet airflow at the upstream of the groove firstly enters the groove and then contacts with the grille strip at the bottom of the groove, the blowing stroke of the air outlet airflow at the upstream of the groove reaching the air outlet grille is farther, so that the vortex and the wind resistance generated at the groove by the air outlet airflow at the upstream of the groove are smaller, and the pneumatic noise and the air outlet pressure loss generated at the groove by the air outlet grille are smaller.
Description
Technical Field
The application relates to but not limited to electrical equipment technical field, specifically indicates an air-out grid, outer machine of air conditioner and air conditioner.
Background
The existing air conditioner external unit is provided with a shell, an air outlet grille, a heat exchanger and a fan assembly. Both the heat exchanger and the fan assembly are disposed within the housing. The air outlet grille is arranged at the air outlet of the shell and used for rectifying wind, preventing a user from contacting with the rotating fan blade of the fan assembly and preventing foreign objects from entering the shell to damage the fan blade.
However, the existing air outlet grille has the problems of large pneumatic noise and large air outlet pressure loss in the using process.
SUMMERY OF THE UTILITY MODEL
The technical problem that this application will be solved provides an air-out grid, can reduce the windage, reduces aerodynamic noise.
The application also provides an air conditioner outer unit and an air conditioner.
The air-out grid that this application embodiment provided includes: the fan blade comprises a main body, wherein a groove is arranged on the windward side of the main body, is positioned on a grid strip of the main body, and is arranged to correspond to the blades of the fan blade.
In some exemplary embodiments, the groove comprises a plurality of grooves arranged in a circular configuration.
In some exemplary embodiments, the radius of the circular structure is 0.4 × r to 0.8 × r, r being the radius of the fan blade.
In some exemplary embodiments, the groove comprises a plurality of grooves arranged circumferentially in an annular configuration.
In some exemplary embodiments, the ring structure includes a plurality of ring structures, and the plurality of ring structures are sequentially arranged from inside to outside.
In some exemplary embodiments, the outer ring radius R of the annular structure 1 Is 0.4R-0.8R, and R is the radius of the fan blade.
In some exemplary embodiments, the width L of the grooves along the length direction of the grating strips is 0.05 × w to 0.8 × w, the depth h of the grooves along the width direction of the grating strips is 0.05 × w to 0.8 × w, w is the width of the grating strips.
In some exemplary embodiments, the groove has a semicircular shape, a triangular shape, or a rectangular shape in cross section.
In some exemplary embodiments, the body includes: a frame; the long rib plates are sequentially arranged in the frame at intervals and connected with the frame through end parts, and the grooves are positioned on the rib plates; the connecting rods are connected with the adjacent rib plates and also connected with the rib plate positioned on the outermost side and the frame; wherein the grid strip comprises a plurality of rib plates.
In some exemplary embodiments, the leeward surface of the main body is provided with a convex hull, and the convex hull is positioned on the grating bars and corresponds to the groove position.
The embodiment of the utility model provides an air conditioner outer unit, including shell, fan subassembly and the air-out grid of any above-mentioned embodiment, the air-out grid is installed in the air outlet department of shell, the fan subassembly is located in the shell; the fan assembly comprises a fan blade and a motor driving the fan blade to rotate, and the grooves correspond to the fan blade of the fan blade.
The embodiment of the utility model provides an air conditioner, including above-mentioned arbitrary embodiment the outer machine of air conditioner.
The embodiment of the utility model provides a technical scheme, the windward side of air-out grid is equipped with the recess, the recess is located the grid strip, the air-out grid is applied to the outer machine of air conditioner, the windward side of air-out grid is towards the fan blade, the recess is corresponding to the blade of fan blade, the air-out air current that the fan blade blown flows to the windward side of air-out grid, the air-out air current on recess upper reaches the recess earlier, then tank bottom and the grid strip contact at the recess, the air-out air current on this scheme recess upper reaches the blowing stroke that the air-out grid passed through farther, the vortex that the air-out air current on recess upper reaches the recess production and the windage that receives are littleer like this, consequently, the air-out grid is littleer at the pneumatic noise that the recess produced and the air-out pressure loss that causes.
Drawings
Fig. 1 is a schematic perspective view of an air outlet grille according to some embodiments of the present disclosure;
FIG. 2 is a schematic left side view of an exemplary grid bar of FIG. 1;
fig. 3 is a left side view of another example of the grating strip of fig. 1.
In the drawings, the reference numbers indicate the following list of parts:
100 main body, 110 grid bars, 111 grooves, 112 convex hulls, 121 windward side, 122 leeward side, 130 annular structure, 140 frames and 150 connecting rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; "coupled" may be direct or indirect through an intermediary, and may be internal to two elements or an interaction of two elements unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.
The air-out grid that this application embodiment provided is applied to the outer machine of air conditioner. As shown in fig. 1 and 2, the air outlet grille includes: the main body 100, the windward side 121 of the main body 100 is provided with a groove 111, and the groove 111 is located on the grid bar 110 of the main body 100 and is arranged corresponding to the blade of the fan blade.
The wind-facing surface 121 of the wind outlet grille is provided with a groove 111, the groove 111 is positioned on the grid bar 110, the wind outlet grille is applied to an air conditioner external machine, the wind-facing surface 121 of the wind outlet grille faces the fan blade, the notch of the groove 111 faces the annular region where the fan blade is positioned, the wind outlet airflow blown by the fan blade flows towards the wind-facing surface 121 of the wind outlet grille, the wind outlet airflow at the upstream of the groove 111 firstly enters the groove 111 and then contacts with the grid bar 110 at the groove bottom of the groove 111, the blowing stroke of the wind outlet airflow at the upstream of the groove 111 reaching the wind outlet grille is farther, so that the vortex and the wind resistance generated at the groove 111 by the wind outlet airflow at the upstream of the groove 111 are smaller, and the pneumatic noise and the wind pressure loss caused by the wind outlet grille at the groove 111 are smaller.
In some exemplary embodiments, as shown in fig. 1 and 2, the plurality of grooves 111 includes a plurality of grooves 111, the plurality of grooves 111 are circumferentially arranged in a ring structure 130 (the ring structure 130 may be configured as a circular ring structure), the blowing strokes of the outlet airflow upstream of the ring structure 130 to the outlet grille are all farther (i.e., the strokes increase the distance of the depth of the grooves 111), the vortex and the wind resistance of the outlet airflow upstream of the ring structure 130 at the ring structure 130 are smaller, and therefore the aerodynamic noise and the outlet pressure loss of the outlet grille at the ring structure 130 are smaller.
In some examples, as shown in fig. 1, the ring structure 130 includes a plurality of ring structures 130, and the plurality of ring structures 130 are sequentially and concentrically nested, which may better reduce the vortex and the wind resistance of the outlet airflow at the ring structure 130, thereby further reducing the aerodynamic noise and the outlet pressure loss generated by the outlet grille at the ring structure 130. Wherein, a plurality of can be two, three or four etc. all can realize the purpose of this application, and its purpose does not break away from the utility model discloses a design idea, no longer gives unnecessary details here, all should belong to the scope of protection of this application.
Of course, the purpose of the present application can also be achieved by one ring structure, the purpose of which does not depart from the design concept of the present invention, and the design concept is not described herein again and shall also fall within the protection scope of the present application.
In some embodiments, the outer ring radius R of the ring structure 130 1 0.4R to 0.8R, which is the radius of the fan blade, such as the radius R of the innermost annular structure 130, to ensure that at least part of the groove 111 corresponds to the blade of the fan blade, thereby reducing the aerodynamic noise generated by the outlet grille at the annular structure 130 and the resulting outlet pressure loss 1 Set to 0.4R, the radius R of the outermost ring structure 130 1 Set to 0.8 ar.
In some embodiments, the width L of the groove 111 is 0.05 × W to 0.8 × W (the dimension of the groove 111 along the length direction (i.e., up and down direction) of the air outlet grille 110 is the width dimension of the groove 111), the depth h of the groove 111 is 0.05 × W to 0.8 × W (the dimension of the groove 111 in the direction from the windward side 121 to the leeward side 122 (i.e., the width direction, i.e., the front-back direction) is the depth dimension of the groove 111), and W is the width of the air outlet grille 110 (the dimension of the air outlet grille 110 in the direction from the windward side 121 to the leeward side 122 is the width dimension of the air outlet grille 110), so that the air outlet grille generates less aerodynamic noise and causes less air outlet pressure loss at the annular structure 130.
The groove 111 may be a semicircular groove (i.e., the groove 111 has a semicircular cross section), the notch width of the semicircular groove is 0.05 × w to 0.8 × w, and the depth of the semicircular groove is 0.05 × w to 0.8 × w. Or the radius of the semicircular groove is set to be 0.05-0.8W, and the width of the notch of the semicircular groove is 0.1-1.6W; the semicircular groove is easier to manufacture and mold, and the pneumatic noise generated by the air outlet grille at the annular structure 130 is smaller, and the air outlet pressure loss is smaller;
or the groove 111 may be a triangular groove (i.e., the cross section of the groove 111 is triangular), the width of the notch of the triangular groove is 0.05 × w to 0.8 × w, and the depth of the triangular groove is 0.05 × w to 0.8 × w; the triangular groove is easier to manufacture and mold, and the pneumatic noise generated by the air outlet grille at the annular structure 130 is smaller, and the air outlet pressure loss is smaller;
or the grooves 111 may be rectangular grooves (that is, the cross section of the groove 111 is rectangular), the width of the notch of the rectangular groove is 0.05 × w to 0.8 × w, and the depth of the rectangular groove is 0.05 × w to 0.8 × w; the rectangular groove is easier to manufacture and mold, and the pneumatic noise generated by the air outlet grille at the annular structure 130 is smaller, and the air outlet pressure loss is smaller;
the above can achieve the purpose of the present application, and the purpose of the present application does not depart from the design concept of the present invention, which is not repeated herein, and all should fall within the protection scope of the present application.
In some exemplary embodiments, as shown in fig. 1, the body 100 includes: a frame 140; a plurality of elongated rib plates sequentially arranged in the frame 140 at intervals and connected to the frame 140 through two end portions, wherein the grooves 111 are located on the rib plates; the connecting rods 150 are connected with adjacent rib plates and also connected with the rib plate positioned at the outermost side and the frame 140, the connecting rods 150 and the rib plates are connected together; wherein the grate bar 110 comprises a plurality of ribs. The connecting rod 150 may be cylindrical or prismatic, and the outlet grille may be an integrally injection-molded part or a welded part. The main body 100 has advantages of simple structure, high strength, long service life, etc.
A plurality of rib plates may be sequentially arranged in the up-down direction, and each rib plate extends in the left-right direction (the dimension of the rib plate in the front-back direction is the width dimension of the rib plate); alternatively, as shown in fig. 1 and fig. 2, a plurality of rib plates may be sequentially arranged in the left-right direction, and each rib plate extends in the up-down direction (the dimension of the rib plate in the front-back direction is the width dimension of the rib plate); the mode that a plurality of rib plates are mutually parallel can be adopted; the above can achieve the purpose of the present application, and the purpose of the present application does not depart from the design concept of the present invention, which is not repeated herein, and all should fall within the protection scope of the present application.
The leeward surface 122 of the body 100 may be a flat surface (as understood with reference to fig. 2); or, as shown in fig. 3, the leeward surface 122 of the main body 100 is provided with a convex hull 112 (not shown in the figure), the convex hull 112 is located on the grid bar 110 and corresponds to the groove 111, and the contour of the convex hull 112 can be changed according to the contour of the groove 111, so that the strength of the grid bar 110 and the aesthetic property of the front side surface of the main body 100 can be improved; the above can achieve the purpose of the present application, and the purpose of the present application does not depart from the design concept of the present invention, which is not repeated herein, and all should fall within the protection scope of the present application.
In some embodiments, the plurality of grooves are arranged in a circular configuration (i.e., the projection of the plurality of grooves toward the front side of the body is circular), which is relatively easy to implement. The radius of the circular structure is 0.4R-0.8R, and R is the radius of the fan blade, so that the pneumatic noise generated by the air outlet grating at the annular structure 130 is smaller, and the air outlet pressure loss is also smaller.
The air conditioner outdoor unit (not shown in the figure) provided by the embodiment of the utility model comprises a shell, a fan component and the air outlet grille described in any embodiment, wherein the air outlet grille is arranged at the air outlet of the shell, and the fan component is positioned in the shell; the fan assembly comprises fan blades and a motor driving the fan blades to rotate, and the grooves correspond to the blades of the fan blades.
The air conditioner outdoor unit has all the advantages of the air outlet grille provided by any one of the above embodiments, and is not described herein again.
In some embodiments, the hub of the fan blade is located inside the annular structure, and the center of the annular structure is generally located on the axis of the hub of the fan blade.
The embodiment of the utility model provides an air conditioner (not shown in the figure), including the outer machine of air conditioner of above-mentioned arbitrary embodiment.
The air conditioner has all the advantages of the air conditioner outdoor unit provided by any one of the embodiments, and the description is omitted here.
To sum up, the embodiment of the utility model provides a technical scheme, the windward side of air-out grid is equipped with the recess, the recess is located the grid strip, the air-out grid is applied to the outer machine of air conditioner, the windward side of air-out grid is towards the fan blade, the recess is corresponding to the blade of fan blade, the air-out air current that the fan blade blown flows to the windward side of air-out grid, the air-out air current on recess upper reaches the recess earlier, then the tank bottom and the grid strip contact at the recess, the air-out air current on this scheme recess upper reaches the air-out grid and passes through blows the stroke farther, the vortex that the air-out air current on recess upper reaches the recess production and the windage that receives like this are littleer, consequently the air-out grid is less at the pneumatic noise that the recess produced and the air-out pressure loss that causes.
In the description of the present application, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means 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 application. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are exemplary and should not be construed as limiting the present application and that changes, modifications, substitutions and alterations in the above embodiments may be made by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. The utility model provides an air-out grid, its characterized in that includes:
the fan blade comprises a main body, wherein a groove is formed in the windward side of the main body, is positioned on a grid strip of the main body and is arranged to correspond to blades of the fan blade.
2. An air outlet grille according to claim 1, characterized in that the grooves comprise a plurality of grooves which are arranged circumferentially in an annular configuration or in a circular configuration.
3. An air outlet grille according to claim 2, characterized in that a plurality of said grooves are arranged circumferentially in a plurality of said ring-shaped structures, which are arranged one after the other from inside to outside.
4. An air-outlet grille according to claim 2,
a plurality of the grooves are arranged in the circumferential direction to form the annular structure, and the outer ring radius R of the annular structure 1 Is 0.4R-0.8R, and R is the radius of the fan blade; or
The grooves are arranged into the circular structure, the radius of the circular structure is 0.4-0.8R, and R is the radius of the fan blade.
5. An air outlet grille according to claim 1, characterized in that the width L of the grooves along the length direction of the grille strips is 0.05 w-0.8 w, the depth h of the grooves along the width direction of the grille strips is 0.05 w-0.8 w, w is the width of the grille strips.
6. The air outlet grid according to claim 1, characterized in that the cross section of the groove is semicircular, triangular or rectangular.
7. An air outlet grille according to any one of claims 1 to 6, characterized in that the main body comprises:
a frame;
the long rib plates are sequentially arranged in the frame at intervals and connected with the frame through end parts, and the grooves are positioned on the rib plates; and
the connecting rods are connected with the adjacent rib plates and also connected with the rib plate positioned on the outermost side and the frame;
wherein the grid strip comprises a plurality of rib plates.
8. The air outlet grille according to any one of claims 1 to 6, characterized in that the leeward surface of the main body is provided with a convex hull, and the convex hull is positioned on the grille strip and corresponds to the groove.
9. An outdoor unit of an air conditioner, comprising a casing, a fan assembly and the air outlet grille of any one of claims 1 to 8, wherein the air outlet grille is installed at the air outlet of the casing, and the fan assembly is positioned in the casing;
the fan assembly comprises a fan blade and a motor driving the fan blade to rotate, and the grooves correspond to the fan blade of the fan blade.
10. An air conditioner characterized by comprising the outdoor unit of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222732477.1U CN218523668U (en) | 2022-10-17 | 2022-10-17 | Air outlet grille, air conditioner external unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222732477.1U CN218523668U (en) | 2022-10-17 | 2022-10-17 | Air outlet grille, air conditioner external unit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218523668U true CN218523668U (en) | 2023-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222732477.1U Active CN218523668U (en) | 2022-10-17 | 2022-10-17 | Air outlet grille, air conditioner external unit and air conditioner |
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| Country | Link |
|---|---|
| CN (1) | CN218523668U (en) |
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- 2022-10-17 CN CN202222732477.1U patent/CN218523668U/en active Active
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