CN107990443B - Air outlet cover and air conditioner outdoor unit - Google Patents
Air outlet cover and air conditioner outdoor unit Download PDFInfo
- Publication number
- CN107990443B CN107990443B CN201711280824.9A CN201711280824A CN107990443B CN 107990443 B CN107990443 B CN 107990443B CN 201711280824 A CN201711280824 A CN 201711280824A CN 107990443 B CN107990443 B CN 107990443B
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- Prior art keywords
- guide strip
- air guide
- main
- air
- wind
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/40—Vibration or noise prevention at outdoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
Abstract
The invention discloses an air outlet cover and an air conditioner outdoor unit, wherein the air outlet cover comprises a middle connecting disc, a plurality of fixing rings with different diameters, an outer frame fixing frame, a plurality of main air guide strips and auxiliary air guide strips, wherein the main air guide strips and the auxiliary air guide strips are arranged from one side of the middle connecting disc to one side of the outer frame fixing frame, the main air guide strips and the auxiliary air guide strips are both arc-shaped, the bending directions of the main air guide strips and the auxiliary air guide strips are the same, and one ends of the auxiliary air guide strips, close to the middle connecting disc, are connected with the main air guide strips. The air outlet cover of the invention is provided with the main air guide strip and the auxiliary air guide strip which have the same bending direction and are connected, thereby reducing the pneumatic noise generated by the fan, reducing the loss of the rotational kinetic energy when being matched with the impeller for use, and improving the efficiency of the fan.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air outlet cover and an air conditioner outdoor unit.
Background
Currently, an axial flow fan is installed in an outdoor unit of an air conditioner, and a motor drives a impeller to rotate so as to form an air flow blowing outwards. An air outlet cover is arranged at the air outlet of the casing to prevent sundries and the like from entering the casing through the air outlet, and the use safety of the air conditioner outdoor unit is ensured. The traditional air outlet cover has large wind resistance, and the air outlet efficiency of the axial flow fan is influenced.
Therefore, there is a need to provide a new type of air outlet housing to solve the above technical problems.
Disclosure of Invention
The invention mainly aims to provide an air outlet cover, and aims to solve the problem that rotary airflow generated by an impeller generates larger airflow resistance through a traditional air outlet cover, so that the efficiency of an axial flow fan is low.
In order to achieve the purpose, the air outlet cover provided by the invention comprises a middle connecting disc, a plurality of fixing rings with different diameters, an outer frame fixing frame, a main air guide strip and an auxiliary air guide strip, wherein the main air guide strip and the auxiliary air guide strip are arranged along one side of the middle connecting disc to one side of the outer frame fixing frame, the main air guide strip and the auxiliary air guide strip are both arc-shaped, the bending directions of the main air guide strip and the auxiliary air guide strip are the same, and one end, close to the middle connecting disc, of the auxiliary air guide strip is connected with the main air guide strip.
Preferably, the main air guide strip comprises a plurality of first main air guide strips and second main air guide strips which are arranged at intervals in sequence, the auxiliary air guide strips are arranged between the first main air guide strips and the second main air guide strips, and the auxiliary air guide strips are connected with the first main air guide strips.
Preferably, one end of the main air guide strip is connected with the middle connecting disc, the other end of the main air guide strip is connected with the outer frame fixing frame, one end of the auxiliary air guide strip is connected with the first main air guide strip, and the other end of the auxiliary air guide strip is connected with the outer frame fixing frame.
Preferably, along the direction from the middle connecting disc to the outer frame fixing frame, the distance between the auxiliary air guide strip and the adjacent first main air guide strip and the distance between the auxiliary air guide strip and the adjacent second main air guide strip are gradually increased.
Preferably, the included angle formed by the two ends of the first main air guide strip and the connecting line of the center of the middle connecting disc is 0-70 degrees; the included angle formed by the two ends of the second main air guide strip and the connecting line of the center of the middle connecting disc is 0-70 degrees; and the two ends of the auxiliary air guide strip form an included angle of 0-70 degrees with a connecting line of the center of the middle connecting disc respectively.
Preferably, along the air outlet direction of the outdoor unit of the air conditioner, the thickness of the air inlet end of the main air guide strip is greater than that of the air outlet end of the main air guide strip, and the thickness of the air inlet end of the secondary air guide strip is greater than that of the air outlet end of the secondary air guide strip.
Preferably, the air outlet cover is used for being matched with the impeller, and the bending direction is opposite to the rotating direction of the impeller.
Preferably, the air outlet cover is used for an air conditioner outdoor unit, the main air guide strip and the auxiliary air guide strip both comprise a concave surface which is concave along the rotating airflow direction of the air conditioner outdoor unit and a convex surface which is convex along the rotating airflow direction of the air conditioner outdoor unit, and one end of the convex surface, which is close to the air inlet end, faces the impeller.
Preferably, the air inlet angle of the air inlet end of the main air guide strip and the air inlet angle of the auxiliary air guide strip are 50-80 degrees, and the air outlet angle of the air outlet end of the main air guide strip and the air outlet end of the auxiliary air guide strip are 85-95 degrees.
The invention also provides an air conditioner outdoor unit which comprises the impeller and the air outlet cover.
In the technical scheme of the invention, the arc-shaped main air guide strip and the auxiliary air guide strip are connected, so that the pneumatic noise generated by the outdoor unit of the air conditioner can be effectively reduced; when the air outlet cover is matched with the impeller for use, the bending directions of the main air guide strip and the auxiliary air guide strip can be arranged opposite to the rotating direction of the impeller, the rotating airflow deviating from the axial direction is corrected to be axial airflow, the static pressure efficiency of the fan is improved, and the performance of the outdoor unit of the air conditioner is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an air outlet housing according to an embodiment of the present invention;
FIG. 2 is a schematic view of an air outlet housing according to an embodiment of the present invention;
FIG. 3 is a schematic view of a partially enlarged structure of the outlet housing shown in FIG. 1;
FIG. 4 is a schematic cross-sectional view of the exhaust hood shown in FIG. 1 along line A-A;
FIG. 5 is an enlarged view of the portion B shown in FIG. 4;
fig. 6 is a schematic cross-sectional structure view of a secondary air guide strip according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional structure view of a secondary air guiding strip according to another embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
1 | Intermediate connecting |
| 2 | |
3 | |
| 4 | |
5 | Outer |
| 7 | Main |
71 | First main |
| 73 | Second main |
9 | Auxiliary |
| 91 | |
93 | |
| 95 | |
97 | Convex |
| 200 | Impeller |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes 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 such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The present invention provides an air outlet cover 100.
Please refer to fig. 1, the wind outlet cover 100 includes a middle connection disc 1, a plurality of fixing rings 3 with different diameters, an outer frame fixing frame 5, a main wind guiding strip 7 and an auxiliary wind guiding strip 9 arranged along one side of the middle connection disc 1 to one side of the outer frame fixing frame 5, wherein the main wind guiding strip 7 and the auxiliary wind guiding strip 9 are both arc-shaped, the bending directions of the main wind guiding strip 7 and the auxiliary wind guiding strip 9 are the same, and one end of the auxiliary wind guiding strip 9 close to the middle connection disc 5 is connected with the main wind guiding strip 7.
Further, the air-out cover 100 is used for matching with the impeller 200, and the bending direction is opposite to the rotation direction of the impeller 200.
Referring to fig. 2, when the outdoor unit of the air conditioner uses the axial flow fan to dissipate heat, the absolute speed C of the air discharged by the axial flow fan2Can be decomposed into axial speed C along the air outlet direction of the outdoor unit of the air conditioner2aAnd the peripheral speed C of the rotating airflow moving in the circumferential direction of the impeller 2002uWherein the peripheral speed C2uThe air outlet of the outdoor unit of the air conditioner has larger rotating airflow to form rotation loss, and the loss of rotation kinetic energy delta P is 0.5 multiplied by rho C2u 2And ρ is the air density. In the invention, the main air guide strip 7 and the auxiliary air guide strip 9 are both arc-shaped, and the bending direction is opposite to the rotating direction of the impeller 200, so that the peripheral speed C of the rotating air flow is ensured when the rotating air flow passes through the main air guide strip 7 and the auxiliary air guide strip 92uConversion to axial speed C2a. While ensuring the safe use of the impeller 200, the peripheral speed C of the rotating airflow direction can be effectively eliminated2uSetting the original rotational kinetic energy loss Δ P to 0.5 × ρ C2u 2The static pressure energy is converted, the rotating airflow deviating from the axial direction is corrected to be the axial airflow, the static pressure efficiency of the fan is improved, and the performance of the air conditioner outdoor unit is improved.
The invention adopts the connection of the arc-shaped main air guide strip 7 and the auxiliary air guide strip 9, thereby effectively reducing the pneumatic noise generated by the outdoor unit of the air conditioner; the bending directions of the main air guide strips 7 and the auxiliary air guide strips 9 are opposite to the rotating direction of the impeller 200, so that when the main air guide strips are matched with the impeller 200, the rotating airflow deviating from the axial direction can be corrected into the axial airflow, the static pressure efficiency of a fan is improved, and the performance of an outdoor unit of an air conditioner is improved.
It should be noted that, in this embodiment, the air-out cover 100 is a bowl, the intermediate connection disc 1 and the outer frame fixing frame 5 are coaxially arranged, the intermediate connection disc 1 is arranged in the bowl at the bottom of the air-out cover 100, the outer frame fixing frame 5 forms the opening of the air-out cover 100 in the bowl, and the opening direction of the air-out cover 100 in the bowl faces the impeller 200. It can be understood by those skilled in the art that the middle connecting disc 1, the outer frame fixing frame 5 and the fixing ring 3 can also be in the same plane, and the whole air outlet cover 100 is in a flat plate shape. It should be noted that, in this embodiment, the middle connection disc 1 and the outer frame fixing frame 5 are circular, and in other embodiments, the middle connection disc 1 and the outer frame fixing frame 5 may also be in other shapes than circular, for example: the outer frame fixing frame 5 is square, rhombic and the like.
In this embodiment, the quantity of retainer plate 3 is a plurality of, and the diameter size of a plurality of retainer plates 3 is all inequality, and a plurality of retainer plates 3 set up between intermediate junction dish 1 and frame mount 5, set up around intermediate junction dish 1, and the diameter of the retainer plate 3 that is close to intermediate junction dish 1 is minimum, and the diameter of the retainer plate 3 of keeping away from intermediate junction dish 1 is maximum. Specifically, in this embodiment, the fixing ring 3 can form a stable sleeving structure with the middle connection disc 1 and the outer frame fixing frame 5 through the main wind guide strip 7, and a grid is formed by the fixing ring 3, the main wind guide strip 7 and the auxiliary wind guide strip 9.
Referring to fig. 1 again, in another embodiment, the main wind guide strip 7 includes a plurality of first main wind guide strips 71 and second main wind guide strips 73 sequentially arranged at intervals, the secondary wind guide strip 9 is arranged between the adjacent first main wind guide strip 71 and second main wind guide strip 73, and the secondary wind guide strip 9 is connected with the first main wind guide strip 71. The auxiliary air guide strips 9 are respectively arranged between the adjacent first main air guide strips 71 and the adjacent second main air guide strips 73, so that only the main air guide strips 7 are arranged on the part, close to the central connecting disc, of the air outlet cover 100, and the distribution density of the main air guide strips 7 and the auxiliary air guide strips 9 is balanced.
Further, one end of the main air guide strip 7 is connected with the middle connection disc 1, the other end of the main air guide strip is connected with the outer frame fixing frame 5, one end of the auxiliary air guide strip 9 is connected with the first main air guide strip 71, and the other end of the auxiliary air guide strip is connected with the outer frame fixing frame 5. In other embodiments, both ends of the main wind guide strip 7 and one end of the auxiliary wind guide strip 9 may not be connected to the outer frame fixing frame 5.
In another embodiment, the distance between the secondary air guiding strip 9 and the adjacent first main air guiding strip 71 and second main air guiding strip 73 gradually increases along the direction from the middle connecting disc 1 to the outer frame fixing frame 5.
Specifically, the air outlet housing 100 is divided into a first area 2 close to the middle connecting disc 1 and a second area 4 close to the outer frame fixing frame 5. Relative to the impeller 200 matched with the wind outlet housing 100, the first area 2 is opposite to the hub of the impeller 200, and the second area 4 is opposite to the rim of the impeller 200, namely, the second area 4 is opposite to the blade edge of the impeller 200. Because the wind speed is maximum in front of the rim of the impeller 200 and gradually decreases toward the hub of the impeller 200. According to the invention, the distance between the auxiliary air guide strips 9 and the adjacent first main air guide strips 71 and second main air guide strips 73 is gradually increased along the direction from the fixing ring 3 to the outer frame fixing frame 5, so that the main air guide strips 7 and the auxiliary air guide strips 9 formed in the first area 2 are distributed densely, the main air guide strips 7 and the auxiliary air guide strips 9 formed in the second area 4 are distributed sparsely, and the resistance of the main air guide strips 7 and the auxiliary air guide strips 9 distributed in the second area 4 to axial airflow can be further reduced.
Please refer to fig. 3, which is a partially enlarged view of the wind outlet cover 100 shown in fig. 1. The included angle alpha formed by the two ends of the first main air guide strip 71 and the connecting line of the center of the middle connecting disc 1 is 0-70 degrees; the included angle theta formed by the two ends of the second main air guide strip 73 and the connecting line of the center of the middle connecting disc 1 is 0-70 degrees; and the two ends of the auxiliary air guide strip 9 form an included angle beta of 0-70 degrees with a connecting line of the center of the middle connecting disc 1. Specifically, two ends of the first main wind guiding strip 71 are a connecting end of the first main wind guiding strip 71 and the middle connecting disc 1 and a connecting end of the first main wind guiding strip and the outer frame fixing frame 5; the two ends of the second main air guide strip 73 are the connecting end of the second main air guide strip 73 and the middle connecting disc 1 and the connecting end of the outer frame fixing frame 5; the two ends of the auxiliary air guide strip 9 are the connecting end of the auxiliary air guide strip 9 and the middle connecting disc 1 and the connecting end of the outer frame fixing frame 5. The distance from the connecting end of the secondary air guide strip 9 and the first main air guide strip 71 to the center of the middle connecting disc 1 is d1, and d1 is 60-120 mm. In the present embodiment, the degrees of the included angle α, the included angle θ and the included angle β are not the same. Preferably, the distances between the connecting ends of the auxiliary air guide strips 9 and the outer frame fixing frame 5, between the connecting ends of the first main air guide strips 71 and the outer frame fixing frame 5, and between the connecting ends of the second main air guide strips 73 and the outer frame fixing frame 5 can be equal by adjusting the included angle α, the included angle θ, and the included angle β.
Referring to fig. 4 and 5, the air outlet cover 100 is used for an outdoor unit of an air conditioner, and along an air outlet direction of the outdoor unit of the air conditioner, a thickness of an air inlet end 91 of the main air guide strip 7 is greater than a thickness of an air outlet end 93 of the main air guide strip 7, and a thickness of an air inlet end 91 of the auxiliary air guide strip 9 is greater than a thickness of an air outlet end 93 of the auxiliary air guide strip 9. Along air condensing units's air-out direction, the thickness of the air inlet end 91 of leading air strip 7 is greater than the thickness of the air-out end 93 of leading air strip 7, the thickness of the air inlet end 91 of vice wind guide strip 9 is greater than the thickness of the air-out end 93 of vice wind guide strip 9. Compared with the planar air guide strips in the prior art, the main air guide strip 7 and the auxiliary air guide strips 9 have higher lift coefficient, and the capability of converting the rotating airflow into the axial airflow is stronger.
Referring to fig. 6, the main air guide strip 7 and the auxiliary air guide strip 9 each include a concave surface 95 recessed along the direction of the rotating airflow of the outdoor unit of the air conditioner and a convex surface 97 protruding along the direction of the rotating airflow of the outdoor unit of the air conditioner, and one end of the convex surface 97 close to the air inlet end 91 faces the impeller 200. Specifically, the concave surface 95 and the convex surface 97 are oppositely arranged, and the concave surface 95 and the convex surface 97 are smooth surfaces so as to reduce wind resistance. The rotation of the impeller 200 generates a rotating airflow in accordance with the rotation direction, and the concave surface 95 faces the rotating airflow to change the rotating airflow into an axial airflow. One end of the convex surface 97 close to the air inlet end 91 faces the impeller 200 to reduce blocking to the axial air flow.
In this embodiment, since the thickness of the air inlet end 91 of the main air guide strip 7 is greater than the thickness of the air outlet end 93 of the main air guide strip 7, and the thickness of the air inlet end 91 of the secondary air guide strip 9 is greater than the thickness of the air outlet end 93 of the secondary air guide strip 9, the curvatures of the concave surface 95 and the convex surface 97 are different. Referring to fig. 7, in another embodiment, the thicknesses of the air inlet end 91 and the air outlet end 93 of the primary air guide strip 7 or the secondary air guide strip 9 are the same, and the curvatures of the concave surface 95a and the convex surface 97a are the same.
The air inlet angle gamma of the main air guide strip 7 and the air inlet end 91 of the auxiliary air guide strip 9 is 50-80 degrees, and the air outlet angle delta of the main air guide strip 7 and the air outlet end 93 of the auxiliary air guide strip 9 is 85-95 degrees. The wind inlet angle γ is an included angle between a tangent line of the end part of the concave surface of the main wind guide strip 7 or the auxiliary wind guide strip 9 close to the impeller 200 and a horizontal plane of the windshield 100 perpendicular to the axial airflow. The wind outlet angle δ is an included angle between a tangent line of the end part of the concave surface of the main wind guide strip 7 or the auxiliary wind guide strip 9 far away from the impeller 200 and a horizontal plane of the windshield 100 perpendicular to the axial airflow. Preferably, the outlet angle δ is 90 degrees, so that the air outlet end 93 of the primary air guide strip 7 or the secondary air guide strip 9 is consistent with the direction of the axial air flow, which is beneficial to converting the rotary air flow into the axial air flow and reducing the wind resistance. In this embodiment, the air inlet angles γ degrees of the primary air guide strip 7 and the secondary air guide strip 9 are the same, and in other embodiments, they may not be the same; in this embodiment, the wind outlet angles δ degrees of the primary wind guide strip 7 and the secondary wind guide strip 9 are the same, but may not be the same in other embodiments.
The invention also provides an outdoor unit (not shown) of an air conditioner, which comprises the impeller 200 and the air outlet cover 100. The specific structure of the air outlet cover 100 refers to the above embodiments, and since the air conditioner outdoor unit adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. An air outlet cover is characterized by comprising a middle connecting disc, a plurality of fixing rings with different diameters, an outer frame fixing frame and a main air guide strip and an auxiliary air guide strip, wherein the main air guide strip and the auxiliary air guide strip are arranged from one side of the middle connecting disc to one side of the outer frame fixing frame and are both arc-shaped; the air outlet cover is used for being matched with an impeller, and the bending direction is opposite to the rotating direction of the impeller so as to convert the rotating airflow of the air outlet of the impeller into axial airflow; the main air guide strip and the auxiliary air guide strip respectively comprise a concave surface which is concave along the rotating airflow direction of the air conditioner outdoor unit and a convex surface which is convex along the rotating airflow direction of the air conditioner outdoor unit, and one end of the convex surface, which is close to the air inlet end, faces the impeller; the thickness of the air inlet end of the main air guide strip is greater than that of the air outlet end of the main air guide strip, and the thickness of the air inlet end of the auxiliary air guide strip is greater than that of the air outlet end of the auxiliary air guide strip.
2. The exhaust hood according to claim 1, wherein the main wind guide strip includes a plurality of first main wind guide strips and second main wind guide strips arranged at intervals in sequence, the secondary wind guide strip is arranged between the adjacent first main wind guide strip and the second main wind guide strip, and the secondary wind guide strip is connected with the first main wind guide strip.
3. The exhaust hood according to claim 2, wherein one end of the main wind guide strip is connected to the middle connection plate, the other end of the main wind guide strip is connected to the outer frame fixing frame, one end of the auxiliary wind guide strip is connected to the first main wind guide strip, and the other end of the auxiliary wind guide strip is connected to the outer frame fixing frame.
4. The exhaust hood according to claim 2, wherein the distance between the secondary wind guide strip and the adjacent first main wind guide strip and the second main wind guide strip is gradually increased along the direction from the middle connecting disc to the outer frame fixing frame.
5. The wind outlet cover of claim 2, wherein the two ends of the first main wind guiding strip form an included angle of 0-70 degrees with the connecting line of the center of the middle connecting disc; the included angle formed by the two ends of the second main air guide strip and the connecting line of the center of the middle connecting disc is 0-70 degrees; and the two ends of the auxiliary air guide strip form an included angle of 0-70 degrees with a connecting line of the center of the middle connecting disc respectively.
6. The fan housing of claim 1, wherein the fan housing is used for an outdoor unit of an air conditioner.
7. The fan housing according to claim 1, wherein the wind inlet angle of the wind inlet end of the main wind guide strip and the wind outlet angle of the wind outlet end of the secondary wind guide strip are 50-80 degrees, and the wind outlet angle of the wind outlet end of the main wind guide strip and the wind outlet end of the secondary wind guide strip are 85-95 degrees.
8. An outdoor unit of an air conditioner, comprising an impeller and the outlet cover according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711280824.9A CN107990443B (en) | 2017-12-06 | 2017-12-06 | Air outlet cover and air conditioner outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711280824.9A CN107990443B (en) | 2017-12-06 | 2017-12-06 | Air outlet cover and air conditioner outdoor unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107990443A CN107990443A (en) | 2018-05-04 |
| CN107990443B true CN107990443B (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711280824.9A Active CN107990443B (en) | 2017-12-06 | 2017-12-06 | Air outlet cover and air conditioner outdoor unit |
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| CN (1) | CN107990443B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208382403U (en) * | 2018-06-20 | 2019-01-15 | 广东美的制冷设备有限公司 | Air-conditioner outdoor unit |
| CN109974141A (en) * | 2019-04-08 | 2019-07-05 | 广东美的暖通设备有限公司 | The air outlet mesh and air conditioner of air conditioner |
| CN211176964U (en) * | 2019-11-11 | 2020-08-04 | 佛山市顺德区美的洗涤电器制造有限公司 | Net cover, fan and range hood |
| CN111964178A (en) * | 2020-08-24 | 2020-11-20 | 深圳市安拓浦科技有限公司 | Grid body, wind gap grid and air purifier |
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| JP2004156883A (en) * | 2002-11-08 | 2004-06-03 | Daikin Ind Ltd | Fan guard for blower unit |
| US20100322764A1 (en) * | 2002-04-30 | 2010-12-23 | Wen-Shi Huang | Cooling fan |
| CN104048369A (en) * | 2014-07-04 | 2014-09-17 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and air outlet grating thereof |
| CN104110810A (en) * | 2013-07-29 | 2014-10-22 | 广东美的制冷设备有限公司 | Air conditioner and air guide device thereof |
| CN106016511A (en) * | 2016-07-14 | 2016-10-12 | 广东美的暖通设备有限公司 | Air outlet hood and air-conditioning outdoor unit equipped with same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837832B (en) * | 2017-01-22 | 2019-03-22 | 佛山市顺德区新双岭机电科技有限公司 | A kind of novel portable electric fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100322764A1 (en) * | 2002-04-30 | 2010-12-23 | Wen-Shi Huang | Cooling fan |
| JP2004156883A (en) * | 2002-11-08 | 2004-06-03 | Daikin Ind Ltd | Fan guard for blower unit |
| CN104110810A (en) * | 2013-07-29 | 2014-10-22 | 广东美的制冷设备有限公司 | Air conditioner and air guide device thereof |
| CN104048369A (en) * | 2014-07-04 | 2014-09-17 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and air outlet grating thereof |
| CN106016511A (en) * | 2016-07-14 | 2016-10-12 | 广东美的暖通设备有限公司 | Air outlet hood and air-conditioning outdoor unit equipped with same |
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| Publication number | Publication date |
|---|---|
| CN107990443A (en) | 2018-05-04 |
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