CN220582693U - Band saw tooth grille and air conditioner - Google Patents
Band saw tooth grille and air conditioner Download PDFInfo
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- CN220582693U CN220582693U CN202322201357.3U CN202322201357U CN220582693U CN 220582693 U CN220582693 U CN 220582693U CN 202322201357 U CN202322201357 U CN 202322201357U CN 220582693 U CN220582693 U CN 220582693U
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- saw tooth
- frame body
- band saw
- inner frame
- guide vanes
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Abstract
The utility model discloses a band saw tooth grille and an air conditioner, wherein the band saw tooth grille comprises: an inner frame body; an outer frame body; the circumferential ribs are arranged between the inner frame body and the outer frame body, and the plurality of circumferential ribs are sequentially arranged from inside to outside and sequentially become larger in diameter; blade groups are arranged between the inner frame body and the innermost circumferential rib, between the outer frame body and the outermost circumferential rib and between two adjacent circumferential ribs, and each blade group comprises a plurality of guide vanes which are circumferentially distributed around the axis of the inner frame body; at least one guide vane in the blade group is provided with a sawtooth structure; the guide vane of the band saw tooth grating can guide airflow to flow, disperse outlet airflow, reduce flow loss of airflow and improve air outlet rate. In addition, as the plurality of sawtooth structures of the plurality of guide vanes of the same blade group are spirally distributed, namely the air outlet between two adjacent guide vanes of the same blade group is staggered, the superposition interference is avoided, and the noise is reduced.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to a band saw tooth grille and an air conditioner.
Background
The air outlet grille is an important component of an air duct of the air conditioner outdoor unit and is usually arranged on a shell of the outdoor unit, and mainly plays roles in wind guiding rectification and safety protection. When the axial flow fan of the outdoor unit rotates at high speed, air flow with centrifugal effect is generated, and when the air flow passes through the air outlet grille, a centripetal rotation angle is formed, and noise and wind resistance are easy to form through the air outlet grille. As the last component of the air flow outlet duct, the structure of the air flow outlet duct has important influence on the air outlet rate and noise of the outdoor unit. Therefore, how to effectively reduce wind resistance and noise is a urgent problem to be solved by those skilled in the art.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the utility model provides a band saw tooth grille and an air conditioner.
In a first aspect, embodiments of the present utility model provide a band saw tooth grating, comprising:
an inner frame body;
the outer frame body is positioned on the outer side of the inner frame body, and the outer frame body and the inner frame body are coaxially arranged;
the circumferential ribs are arranged between the inner frame body and the outer frame body, and the plurality of circumferential ribs are sequentially arranged from inside to outside and sequentially become larger in diameter;
blade groups are arranged between the inner frame body and the innermost circumferential rib, between the outer frame body and the outermost circumferential rib and between two adjacent circumferential ribs, and each blade group comprises a plurality of guide vanes which are circumferentially distributed around the axis of the inner frame body;
at least one guide vane in the blade group is provided with a sawtooth structure, and a plurality of sawtooth structures of a plurality of guide vanes of the same blade group are spirally distributed.
The band saw tooth grille according to the embodiment of the utility model has at least the following technical effects: the guide vane of the band saw tooth grating can guide airflow to flow, disperse outlet airflow, reduce flow loss of airflow and improve air outlet rate. In addition, as the plurality of sawtooth structures of the plurality of guide vanes of the same blade group are spirally distributed, namely the air outlet between two adjacent guide vanes of the same blade group is staggered, mutual superposition interference is avoided, and noise is reduced.
According to some embodiments of the utility model, the height of the guide vane is H, the depth of the saw tooth structure is X, satisfying: x is more than or equal to 0.1H and less than or equal to 0.3H.
According to some embodiments of the utility model, in the same blade group, the distance between two adjacent guide vanes is C, which satisfies: c is more than or equal to 7mm and less than or equal to 9.5mm.
According to some embodiments of the utility model, the saw tooth structure comprises a plurality of grooves, the grooves being spaced apart along the direction of extension of the guide vane.
According to some embodiments of the utility model, the groove is triangular in shape.
According to some embodiments of the utility model, the grooves are trapezoidal in shape.
According to some embodiments of the utility model, the groove is arcuate.
In a second aspect, an embodiment of the present utility model further provides an air conditioner, including:
the shell is provided with an opening, a wind wheel is arranged in the shell, and an air outlet of the wind wheel faces the opening;
according to the band saw tooth grille of the embodiment of the first aspect of the utility model, the band saw tooth grille is arranged at the opening and the saw tooth structure is positioned at one side close to the wind wheel.
The air conditioner provided by the embodiment of the utility model has at least the following technical effects: when the wind wheel rotates to pass through, air flows out through the openings to pass through the band saw tooth grille, the guide vanes guide the air flow to flow, the outlet air flow is dispersed, the flow loss of the air flow is reduced, and the air outlet rate of the air conditioner is improved. In addition, as the plurality of sawtooth structures of the plurality of guide vanes of the same blade group are spirally distributed, namely the air outlet between two adjacent guide vanes of the same blade group is staggered, mutual superposition interference is avoided, and noise is reduced.
According to some embodiments of the utility model, the number of the guide vanes of the blade group is a, the number of the blades of the wind wheel is B, and a and B are prime numbers.
According to some embodiments of the utility model, the radius of the wind wheel is R1, the radial distance of the saw tooth structure from the axis of the inner frame body is R2, satisfying: 0.3R1R 2 is less than or equal to 0.5R1.
Additional aspects and advantages of the utility model 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 utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a band saw tooth grid according to some embodiments of the present utility model;
FIG. 2 is a top view of a band saw tooth grid in accordance with some embodiments of the utility model;
FIG. 3 is a schematic view of a portion of a band saw tooth grid according to some embodiments of the utility model;
FIG. 4 is an enlarged schematic view at A of FIG. 3;
FIG. 5 is a schematic structural view of a vane of some embodiments of the utility model.
Reference numerals:
the inner frame body 100, the outer frame bodies 110, zhou Xiangjin, the blade group 130, the guide vane 140, the sawtooth structure 150, the groove 160 and the spiral line 170.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Embodiments of the present utility model will be further described below with reference to the accompanying drawings.
According to some embodiments of the present utility model, referring to fig. 1 to 4, a band saw tooth grid includes an inner frame body 100, an outer frame body 110, and circumferential ribs 120. The outer frame 110 is ring-shaped, the outer frame 110 is positioned outside the inner frame 100, and the outer frame 110 is coaxially disposed with the inner frame 100. The circumferential ribs 120 are annular, the circumferential ribs 120 are located between the inner frame body 100 and the outer frame body 110, the plurality of circumferential ribs 120 are coaxially arranged and sequentially arranged from inside to outside, and the diameters of the plurality of circumferential ribs 120 sequentially become larger from inside to outside. The vane group 130 is provided between the inner frame body 100 and the innermost circumferential rib 120, the vane group 130 is also provided between the outer frame body 110 and the outermost circumferential rib 120, and the vane group 130 is also provided between two adjacent circumferential ribs 120. The blade set 130 includes a plurality of guide vanes 140, and the plurality of guide vanes 140 are circumferentially distributed around the axis of the inner frame body 100. Among the plurality of blade groups 130, the plurality of vanes 140 in at least one blade group 130 are provided with a saw-tooth structure 150, and the saw-tooth structure 150 is provided on the lower side of the vanes 140. The plurality of saw tooth structures 150 of the plurality of vanes 140 of the same vane pack 130 are spirally distributed.
It should be noted that, referring to fig. 1 and 2, the band saw tooth grille in the present embodiment includes four circumferential ribs 120 and five blade groups 130, the guide vanes 140 of the third, fourth and fifth blade groups 130 are all provided with a saw tooth structure 150 from inside to outside, and the guide vanes 140 of the first and second blade groups 130 are not provided with a saw tooth structure 150. Whether any blade set 130 needs to be provided with the saw tooth structure 150 can be adjusted according to the requirement.
It should be further noted that, referring to fig. 3 and fig. 4, the plurality of saw tooth structures 150 of the plurality of guide vanes 140 of the same blade set 130 are spirally distributed, that is, the plurality of saw tooth structures 150 of the plurality of guide vanes 140 of the same blade set 130 are distributed along the spiral line 170, and the ends of the spiral line 170 are not connected, that is, the curvature changes with the angle, so that the adjacent two guide vanes 140 of the same blade set 130 are staggered to discharge air, thereby avoiding mutual overlapping interference and reducing noise.
The guide vane 140 of the band saw tooth grating can guide airflow to flow, disperse outlet airflow, reduce flow loss of airflow and improve air outlet rate. In addition, since the plurality of saw tooth structures 150 of the plurality of guide vanes 140 of the same blade group 130 are spirally distributed, that is, the air outlets between two adjacent guide vanes 140 of the same blade group 130 are staggered, mutual superposition interference is avoided, and noise is reduced.
According to some embodiments of the utility model, referring to fig. 5, the height of the vane 140 is H and the depth of the saw tooth structure 150 is X, satisfying: x is more than or equal to 0.1H and less than or equal to 0.3H. The guide of the air flow by the guide vane 140 is prevented from being influenced by too large X, and the outlet air flow is prevented from being dispersed effectively due to too small X.
According to some embodiments of the utility model, referring to fig. 4, in the same blade group 130, the distance between two adjacent vanes 140 is C, satisfying: c is more than or equal to 7mm and less than or equal to 9.5mm. Avoid that C is too big and can't effectively guide the air current flow, avoid that C is too little and stop the air current flow simultaneously.
According to some embodiments of the present utility model, referring to fig. 4 and 5, the saw tooth structure 150 includes a plurality of grooves 160, the grooves 160 being spaced apart along the extending direction of the guide vane 140. The plurality of grooves 160 can effectively disperse the air flow and reduce noise.
Preferably, the groove 160 has a triangular shape, a trapezoidal shape, an arc shape, or the like. The shape of the groove 160 is not limited herein.
According to some embodiments of the present utility model, an air conditioner includes a housing and a band saw tooth grille. The shell is provided with an opening, a wind wheel is arranged in the shell, and an air outlet of the wind wheel faces the opening. The sawtooth grille is installed on the shell and positioned at the opening, and the sawtooth structure 150 is positioned at one side close to the wind wheel to effectively guide the wind outlet airflow of the wind wheel.
When the wind wheel rotates to pass through, air flows out through the openings and then passes through the band saw tooth grille, the guide vanes 140 guide the air flow to flow, the outlet air flow is dispersed, the flow loss of the air flow is reduced, and the air outlet rate of the air conditioner is improved. In addition, since the plurality of saw tooth structures 150 of the plurality of guide vanes 140 of the same blade group 130 are spirally distributed, that is, the air outlets between two adjacent guide vanes 140 of the same blade group 130 are staggered, mutual superposition interference is avoided, and noise is reduced.
According to some embodiments of the present utility model, the number of the guide vanes 140 of the blade group 130 is a, the number of the blades of the wind wheel is B, and a and B are prime numbers, so as to reduce aerodynamic noise. It is understood that the number of vanes 140 between the blade sets 130 is also prime to each other.
According to some embodiments of the utility model, the radius of the wind wheel is R1 and the radial distance of the saw tooth structure 150 from the axis of the inner frame 100 is R2, satisfying: 0.3R1R 2 is less than or equal to 0.5R1.
It will be appreciated that since the wind turbine outlet airflow velocity increases gradually in the radial direction from inside to outside, i.e. the smaller diameter region of the saw tooth structure 150 serves a smaller function, referring to fig. 1, the third, fourth and fifth vane sets 130 are each provided with a saw tooth structure 150 from inside to outside, whereas the first and second vane sets 130 are not provided with saw tooth structures 150 in the vane sets 140, since the saw tooth structure 150 from the third vane set 130 serves a larger function, whereas the first and second vane sets 130 do not need to be provided with saw tooth structures 150.
I.e. the radial distance R2 of the saw tooth structure 150 of the vanes 140 of the innermost vane set 130 from the axis of the inner frame body 100. The problem that the partial saw tooth structure 150 is not effective due to the fact that R2 is too small is avoided, and manufacturing cost is wasted; and at the same time, avoid that R2 is too large to effectively utilize the saw tooth structure 150.
In the description of the present specification, reference to the term "some embodiments" 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A band saw tooth grating, comprising:
an inner frame (100);
an outer frame (110), wherein the outer frame (110) is positioned outside the inner frame (100), and the outer frame (110) and the inner frame (100) are coaxially arranged;
the circumferential ribs (120) are arranged between the inner frame body (100) and the outer frame body (110), and the plurality of circumferential ribs (120) are sequentially arranged from inside to outside and have sequentially larger diameters;
blade groups (130) are arranged between the inner frame body (100) and the innermost circumferential rib (120), between the outer frame body (110) and the outermost circumferential rib (120) and between two adjacent circumferential ribs (120), and the blade groups (130) comprise a plurality of guide vanes (140), and the guide vanes (140) are circumferentially distributed around the axis of the inner frame body (100);
at least one vane (140) in the vane group (130) is provided with a sawtooth structure (150), and a plurality of sawtooth structures (150) of a plurality of vanes (140) of the same vane group (130) are spirally distributed.
2. The band saw tooth grille of claim 1, wherein the height of the guide vanes (140) is H and the depth of the saw tooth structure (150) is X, satisfying: x is more than or equal to 0.1H and less than or equal to 0.3H.
3. The band saw tooth grid according to claim 1, characterized in that in the same blade group (130), the distance between two adjacent guide vanes (140) is C, satisfying: c is more than or equal to 7mm and less than or equal to 9.5mm.
4. The band saw tooth grille of claim 1, wherein the saw tooth structure (150) comprises a plurality of grooves (160), the grooves (160) being spaced apart along the direction of extension of the guide vanes (140).
5. The band saw tooth grating according to claim 4, wherein the grooves (160) are triangular in shape.
6. The band saw tooth grating according to claim 4, wherein the grooves (160) are trapezoidal in shape.
7. The band saw tooth grille of claim 4, wherein the grooves (160) are arcuate.
8. An air conditioner, comprising:
the shell is provided with an opening, a wind wheel is arranged in the shell, and an air outlet of the wind wheel faces the opening;
the band saw tooth grille of any one of claims 1 to 7, mounted to the opening and the saw tooth structure (150) is located on a side proximate to the wind wheel.
9. The air conditioner according to claim 8, wherein the number of the guide vanes (140) of the blade group (130) is a, the number of the blades of the wind wheel is B, and a and B are prime numbers.
10. An air conditioner according to claim 8, wherein the radius of the wind wheel is R1, the radial distance of the saw tooth structure (150) from the axis of the inner frame (100) is R2, satisfying: 0.3R1R 2 is less than or equal to 0.5R1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322201357.3U CN220582693U (en) | 2023-08-15 | 2023-08-15 | Band saw tooth grille and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322201357.3U CN220582693U (en) | 2023-08-15 | 2023-08-15 | Band saw tooth grille and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220582693U true CN220582693U (en) | 2024-03-12 |
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ID=90119280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322201357.3U Active CN220582693U (en) | 2023-08-15 | 2023-08-15 | Band saw tooth grille and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220582693U (en) |
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2023
- 2023-08-15 CN CN202322201357.3U patent/CN220582693U/en active Active
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