CN212274121U - Air condensing units and air-out grid thereof - Google Patents
Air condensing units and air-out grid thereof Download PDFInfo
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- CN212274121U CN212274121U CN202020456945.5U CN202020456945U CN212274121U CN 212274121 U CN212274121 U CN 212274121U CN 202020456945 U CN202020456945 U CN 202020456945U CN 212274121 U CN212274121 U CN 212274121U
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Abstract
The utility model discloses an air condensing units and air-out grid thereof, the air-out grid includes: the annular frames are coaxial and are sequentially distributed at intervals along the radial direction; the plurality of radial grid groups are sequentially arranged between two adjacent annular frames; the radial grid set includes: the plurality of air guide ribs are uniformly distributed at intervals along the circumferential direction, and the whole air guide ribs extend in a spiral radial direction; the plurality of baffle rods are sequentially arranged between two circumferentially adjacent air guide ribs, the extension directions of the baffle rods along the radial direction are consistent with those of the circumferentially adjacent air guide ribs, and the cross-sectional areas of the baffle rods in the circumferential direction are smaller than those of the air guide ribs in the circumferential direction; the number of the air guide ribs of each radial grid group is gradually increased from inside to outside along the radial direction. The utility model has the advantages that: not only can satisfy the security performance, and effectively improve the static pressure ability, increase air output to reduce the noise.
Description
Technical Field
The utility model relates to an air conditioning technology field especially relates to an air condensing units and air-out grid thereof.
Background
In the air conditioner outdoor unit, in order to ensure the safe operation of a fan, a ventilation grille needs to pass a finger-test safety test. Aiming at the problems, the traditional solution is that a plurality of air guide ribs extending along the radial direction are arranged on the ventilation grid at intervals in the circumferential direction, and the air guide ribs are twisted at a certain angle to guide the wind, so that the static pressure resistance can be improved to a certain extent; however, because the finger-test safety inspection is required, the air guide ribs are usually arranged densely, so that the gap between two adjacent air guide ribs is small, the air output is small, and the noise is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the defects of the prior art are overcome, and the air outlet grille of the air conditioner outdoor unit is provided, so that the static pressure characteristic can be increased, the air outlet quantity is increased, the noise is reduced, and the safety requirement of the trial finger can be met.
In order to achieve the above object, a first aspect of the present invention provides an air outlet grille for an outdoor unit of an air conditioner, including:
the annular frames are coaxial and are sequentially distributed at intervals along the radial direction;
the plurality of radial grid groups are sequentially arranged between two adjacent annular frames; the radial grid set includes:
the air guide ribs are uniformly distributed at intervals along the circumferential direction, and the whole air guide ribs extend in a spiral radial direction;
the plurality of baffle rods are sequentially arranged between two circumferentially adjacent air guide ribs, the extension directions of the baffle rods along the radial direction are consistent with those of the circumferentially adjacent air guide ribs, and the circumferential cross-sectional areas of the baffle rods are smaller than those of the air guide ribs;
the number of the air guide ribs of each radial grid group is gradually increased from inside to outside along the radial direction.
Preferably, the cross-sectional development shape of the stop lever in the circumferential direction is a circle or a rectangle.
Preferably, the stop lever is located on an axial rear side of the adjacent air guide rib.
Preferably, a connecting line between the inner end and the outer end of the rear end edge of the air guide rib is defined as a reference line, a front bend angle is defined between the tangent direction of the rear end edge of the air guide rib at the outer end and the reference line, and the front bend angle is 0-20 degrees;
the forward bending angle of the air guide ribs of each radial grid group is gradually increased from inside to outside along the radial direction.
Preferably, the air-guiding ribs include, as viewed in a development view of a circumferential cross section of the air-guiding ribs:
a trailing edge, which is arc-shaped;
the front edge is arranged on the front side of the rear edge along the axial direction;
the first side edge is arc-shaped, and two ends of the first side edge are respectively connected with the same side end parts of the front edge and the rear edge; and
the second side edge is arc-shaped, and two ends of the second side edge are respectively connected with the other end parts of the front edge and the rear edge;
and the camber line is defined by camber lines with two ends respectively connected with the midpoint of the front edge and the midpoint of the rear edge, the bending directions of the first lateral edge and the second lateral edge are consistent with the bending direction of the camber line, and the distance between any point on the first lateral edge and the camber line is equal to the distance between the corresponding point on the second lateral edge and the camber line.
Preferably, the distance between the first side edge and the mean camber line, and the distance between the second side edge and the mean camber line, decrease from inside to outside along the mean camber line; or
The distance between the first lateral edge and the mean camber line and the distance between the second lateral edge and the mean camber line are uniformly consistent.
Preferably, a plane perpendicular to a central axis of the outlet grille is defined as a reference plane, an outlet angle is defined between a tangential direction of an axially upper front end of the camber line and the reference plane, and the outlet angle is 80 ° to 90 °.
Preferably, the distance between the midpoint of the trailing edge and the midpoint of the leading edge is 10 mm to 15 mm.
Preferably, the air outlet grille includes 5 annular frames, the annular frame located at the innermost side in the radial direction is a central platform, the annular frame located at the outermost side in the radial direction is a fixed ring, and the rest of the annular frames are sequentially provided with a first circumferential rib, a second circumferential rib and a third circumferential rib from inside to outside in the radial direction;
the radius of the central table is 70 mm to 90 mm, a group of radial grid groups are arranged between the first circumferential ribs and the central table, between the second circumferential ribs and the first circumferential ribs, between the third circumferential ribs and the second circumferential ribs and between the fixed ring and the third circumferential ribs, and the radial width of each radial grid group is 40 mm to 60 mm.
Preferably, the number of the air guide ribs connected between the first circumferential rib and the central platform is 38 to 46, the number of the air guide ribs connected between the second circumferential rib and the first circumferential rib is 56 to 68, the number of the air guide ribs connected between the third circumferential rib and the second circumferential rib is 76 to 88, and the number of the air guide ribs connected between the fixing ring and the third circumferential rib is 90 to 98.
Preferably, a plane perpendicular to the central axis of the outlet grille is defined as a reference plane, and an inlet angle is defined between a tangential direction of the rear end of the camber line in the axial direction and the reference plane;
the air guide ribs are arranged between the first circumferential ribs and the central platform, and the range of the air inlet angle of the air guide ribs is 54-68 degrees, and the air inlet angle is gradually increased from inside to outside along the radial direction;
the air guide ribs are arranged between the second circumferential ribs and the first circumferential ribs, and the range of the air inlet angle of the air guide ribs is 69-71 degrees and gradually increases from inside to outside along the radial direction;
the air guide ribs are arranged between the third circumferential ribs and the second circumferential ribs, and the range of the air inlet angle of the air guide ribs is 65-71 degrees and gradually decreases from inside to outside along the radial direction;
and the range of the air inlet angle of the air guide ribs arranged between the fixed ring and the third circumferential ribs is 25-65 degrees, and the air inlet angle is gradually reduced from inside to outside along the radial direction.
Preferably, the first, second, and third circumferential ribs have a thickness of 1.3 mm to 1.5 mm in the radial direction and a length of 14 mm to 16 mm in the axial direction, respectively.
In a second aspect of the present invention, there is provided an air conditioner outdoor unit, wherein the air outlet grille includes an air guide rib and a plurality of air guide vanes, and the air guide rib is disposed on the air guide rib.
The embodiment of the utility model provides an air condensing units and air-out grid thereof compares with prior art, and its beneficial effect lies in:
the air outlet grille of the embodiment of the utility model is sequentially provided with a plurality of radial grille groups along the radial direction, and the number of the air guide ribs of each radial grille group is gradually increased along the radial direction from inside to outside; in addition, in order to meet the requirement of finger test detection, a blocking rod with the cross section area smaller than that of each air guide rib is arranged between every two circumferentially adjacent air guide ribs, so that the arrangement density of the air guide ribs can be greatly reduced, the safety requirement can be met, the air output cannot be reduced, and the noise cannot be increased.
Drawings
Fig. 1 is a schematic structural view of an air outlet grille of an air conditioner outdoor unit according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an air outlet grille of an air conditioner outdoor unit according to an embodiment of the present invention;
FIG. 3 is an enlarged view of part A of FIG. 2;
fig. 4 is a schematic cross-sectional view of an air outlet grille of an air conditioner outdoor unit according to an embodiment of the present invention, the cross-sectional view being along a circumferential direction of the air outlet grille with respect to air guide ribs and stopper rods;
fig. 5 is a schematic structural view of an air guide rib of an outdoor unit of an air conditioner according to an embodiment of the present invention.
In the figure, 1, a ring frame; 11. a center table; 12. a stationary ring; 13. a first circumferential rib; 14. a second circumferential rib; 15. a third circumferential rib; 2. a radial grid set; 21. wind guide ribs; 211. a trailing edge; 212. a leading edge; 213. a first side edge; 214. a second lateral edge; a. a mean camber line; α, exit angle; beta, inlet angle; x, a reference line; 22. a gear lever.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "first", "second", and the like are used in the present invention to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
In addition, in the present embodiment, "front" and "rear" respectively mean: when the air outlet grille is arranged on the outdoor unit of the air conditioner, the part close to the user side is front, and the part away from the user side is back.
As shown in fig. 1-5, an air outlet grille for an outdoor unit of an air conditioner according to a preferred embodiment of the present invention includes a plurality of annular frames 1 and a plurality of radial grille groups 2, wherein the plurality of annular frames 1 are coaxial and radially distributed at intervals in sequence, and a group of radial grille groups 2 is disposed between two adjacent annular frames 1; the radial grid group 2 comprises a plurality of air guide ribs 21 and a plurality of stop rods 22, the air guide ribs 21 are uniformly distributed at intervals along the circumferential direction, the whole air guide ribs 21 extend in a spiral radial direction, the stop rods 22 are arranged between two circumferentially adjacent air guide ribs 21, the radial extending direction of each stop rod 22 is consistent with the circumferential adjacent air guide ribs 21, and the circumferential cross-sectional area of each stop rod 22 is smaller than that of each air guide rib 21; the number of the air guiding ribs 21 of each radial grid group 2 is gradually increased from inside to outside in the radial direction.
Based on the technical scheme, a plurality of radial grid groups 2 are sequentially arranged in a ring mode along the radial direction, the number of the air guide ribs 21 of each radial grid group 2 is gradually increased from inside to outside along the radial direction, and the static pressure of the fan can be improved by arranging the air guide ribs 21 with different numbers in different areas as the air speed blown out by the fan impeller is gradually increased from inside to outside along the radial direction; in addition, in order to meet the requirement of finger test detection, a blocking rod 22 with the cross section area smaller than that of each air guide rib 21 is arranged between every two circumferentially adjacent air guide ribs 21, and the number of the air guide ribs 21 can be reduced by at least 30% by arranging the blocking rods 22 compared with the traditional air outlet grille, so that the safety requirement can be met, the loss of air volume can be reduced, and the noise can be reduced.
In this embodiment, the shape of the expanded cross section of the blocking rod 22 in the circumferential direction is circular or rectangular, and the cross section of the blocking rod 22 in the circumferential direction is ensured, and the circumferential thickness is much smaller than the air guide ribs 21, so that the air output can be ensured not to be weakened.
In this embodiment, preferably, the stop lever 22 is closer to the axial rear side of the air outlet grille than the circumferentially adjacent air guiding ribs 21, as shown in fig. 4; experiments show that the stop lever 22 is arranged at the rear end of the air guide rib 21 to maximize the air volume.
In this embodiment, for example, in a cross-sectional expanded view of the stopper rod 22 in the circumferential direction, the stopper rod 22 is circular with a diameter of 2 mm, and an axial distance between a front end of the stopper rod 22 and a rear end of the air guide rib 21 adjacent in the axial direction is 2 mm.
The stopper rod 22 may be provided on the front side in the axial direction of the air guide rib 21 connected thereto, and is not limited thereto.
Continuing to refer to fig. 5, a connection line between the inner end and the outer end of the rear end edge of the air guiding rib 21 is defined as a reference line x, a forward bending angle σ is defined between the tangential direction of the rear end edge of the air guiding rib 21 at the outer end thereof and the reference line x, and the forward bending angle σ ranges from 0 to 20 °; the forward bending angle σ of the air guiding ribs 21 of each radial grid group 2 gradually increases from inside to outside along the radial direction; experiments show that the maximum static pressure resistance and the maximum air output can be realized by reasonably setting the range of the front bend angle sigma.
Referring to fig. 4, as seen in an expanded view of a circumferential cross section of the air guiding rib 21, the air guiding rib 21 includes a rear edge 211, a front edge 212, a first side edge 213, and a second side edge 214; the rear edge 211 is arc-shaped, the front edge 212 is axially disposed at the front side of the rear edge 211, and may be straight or arc-shaped, but not limited thereto, the first side edge 213 is arc-shaped, two ends of the first side edge 213 are respectively connected to the same side end portions of the front edge 212 and the rear edge 211, the second side edge 214 is arc-shaped, and two ends of the second side edge 214 are respectively connected to the other side end portions of the front edge 212 and the rear edge 211; an arc line connecting two ends of the front edge 212 and the rear edge 211 respectively to a midpoint thereof defines a mean arc line y, the bending directions of the first side edge 213 and the second side edge 214 are both consistent with the bending direction of the mean arc line y, and a distance between any point on the first side edge 213 and the mean arc line y is equal to a distance between a corresponding point on the second side edge 214 and the mean arc line y.
Through setting air guide rib 21 to above-mentioned structure, can effectively improve wind-guiding ability to can effectively improve antistatic characteristic.
More specifically, the air guiding ribs 21 may be provided in a wing shape or a plate shape; fig. 4 shows a specific structure of the air guiding rib 21 as an airfoil, in which the distance between the first side edge 213 and the mean camber line y and the distance between the second side edge 214 and the mean camber line y are gradually reduced from inside to outside along the mean camber line y; when the air guiding ribs 21 are of a plate type, the distance between the first side edge 213 and the camber line y and the distance between the second side edge 214 and the camber line y are uniformly maintained.
In this embodiment, in order to guide the wind to be output axially and improve the efficiency and static pressure resistance of the fan, referring to fig. 4, a plane perpendicular to the central axis of the outlet grille is defined as a reference plane, an outlet angle α is defined between the tangential direction of the axial upper front end of the camber line y and the reference plane, and the outlet angle α ranges from 80 ° to 90 °.
Furthermore, a connecting line between the midpoint of the trailing edge 211 and the midpoint of the leading edge 212 is defined as a chord length, and the chord length is preferably 10 mm to 15 mm, so that the working area for wind can be reduced, and the noise can be reduced; more preferably, the chord length is 10 mm.
In order to reasonably arrange each radial grid group and achieve the best effect of air guiding capability, the air outlet grid in this embodiment includes 5 annular frames 1, specifically, as shown in fig. 1 to 3, the annular frame 1 located at the innermost side in the radial direction is a central platform 11, the annular frame 1 located at the outermost side in the radial direction is a fixed ring 12, and the rest of the annular frames 1 are sequentially a first circumferential rib 13, a second circumferential rib 14 and a third circumferential rib 15 from inside to outside in the radial direction; the radius of the central table 11 is 70 mm to 90 mm, a group of radial grid groups 2 are respectively arranged between the first circumferential ribs 13 and the central table 11, between the second circumferential ribs 14 and the first circumferential ribs 13, between the third circumferential ribs 15 and the second circumferential ribs 14, and between the fixed ring 12 and the third circumferential ribs 15, and the radial width of each radial grid group 2 is 40 mm to 60 mm.
The three axial ribs radially divide the air guiding area into four areas, and preferably, the number of the air guiding ribs connected between the first circumferential rib 13 and the center block 11 is 38 to 46, the number of the air guiding ribs connected between the second circumferential rib 14 and the first circumferential rib 13 is 56 to 68, the number of the air guiding ribs connected between the third circumferential rib 15 and the second circumferential rib 14 is 76 to 88, and the number of the air guiding ribs connected between the fixed ring 12 and the third circumferential rib 15 is 90 to 98.
More specifically, the radius of the central table 11 is 79 mm, the distance between the first circumferential ribs 13 and the central axis of the central table 11 is 130 mm, the distance between the second circumferential ribs 14 and the central axis of the central table 11 is 182 mm, the distance between the third circumferential ribs 15 and the central axis of the central table 11 is 234 mm, and the distance between the fixed ring 12 and the central axis of the central table 11 is 288 mm.
Correspondingly, there are 42 air guiding ribs 21 connected between the first circumferential rib 13 and the center block 11, 60 air guiding ribs 21 connected between the second circumferential rib 14 and the first circumferential rib 13, 80 air guiding ribs 21 connected between the third circumferential rib 15 and the second circumferential rib 14, and 94 air guiding ribs 21 connected between the fixing ring 12 and the third circumferential rib 15.
In order to adapt to different air inlet directions along the radial direction, in the embodiment, a plane perpendicular to the central axis of the air outlet grille is defined as a reference plane, and an inlet angle β is defined between the tangential direction of the rear end of the camber line y along the axial direction and the reference plane; the air guide ribs 21 are arranged between the first circumferential ribs 13 and the central platform 11, and the air inlet angle beta ranges from 54 degrees to 68 degrees and gradually increases from inside to outside along the radial direction; the air guide ribs 21 are arranged between the second circumferential ribs 14 and the first circumferential ribs 13, and the air inlet angle beta ranges from 69 degrees to 71 degrees and gradually increases from inside to outside along the radial direction; the air guide ribs 21 are arranged between the third circumferential ribs 15 and the second circumferential ribs 14, and the air inlet angle beta ranges from 65 degrees to 71 degrees and is gradually reduced from inside to outside along the radial direction; the air guide ribs 21 are arranged between the fixed ring 12 and the third circumferential ribs 15, and the air inlet angle beta of the air guide ribs 21 ranges from 25 degrees to 65 degrees and is gradually reduced from inside to outside along the radial direction.
Alternatively, the air intake angle β of the air-guiding rib 21 provided between the first circumferential rib 13 and the center base 11 may be set to 61 °, the air intake angle β of the air-guiding rib 21 provided between the second circumferential rib 14 and the first circumferential rib 13 may be set to 70 °, the air intake angle β of the air-guiding rib 21 provided between the third circumferential rib 15 and the second circumferential rib 14 may be set to 68 °, and the air intake angle β of the air-guiding rib 21 provided between the fixing ring 12 and the third circumferential rib 15 may be set to 45 °.
In this embodiment, the first circumferential ribs 13, the second circumferential ribs 14, and the third circumferential ribs 15 each have a thickness in the radial direction of 1.3 mm to 1.5 mm and a length in the axial direction of 14 mm to 16 mm, which can further enhance the air guiding capability.
In a second aspect of the embodiment of the present invention, an outdoor unit of an air conditioner is further provided, which includes a wind wheel and an air outlet grille as in any one of the first aspect, wherein the rotation direction of the wind guiding ribs 21 is opposite to the rotation direction of the wind wheel to adapt to the rotation of the wind wheel, so as to reduce noise.
In addition, the outdoor unit of the air conditioner in this embodiment includes the air outlet grille of the first aspect, so that the outdoor unit of the air conditioner has all the beneficial effects of the air outlet grille, and is not described herein again.
To sum up, the embodiment of the present invention provides an air conditioner outdoor unit and an air outlet grille thereof, wherein a plurality of radial grille sets are sequentially arranged in the air outlet grille along a radial direction, and the number of the air guide ribs of each radial grille set is gradually increased from inside to outside along the radial direction; in addition, in order to meet the requirement of finger test detection, a blocking rod with the cross section area smaller than that of each air guide rib is arranged between every two circumferentially adjacent air guide ribs, so that the arrangement density of the air guide ribs can be greatly reduced, the safety requirement can be met, the air output cannot be reduced, and the noise cannot be increased.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (13)
1. The utility model provides an air-out grid for air condensing units which characterized in that includes:
the annular frames are coaxial and are sequentially distributed at intervals along the radial direction;
the plurality of radial grid groups are sequentially arranged between two adjacent annular frames; the radial grid set includes:
the air guide ribs are uniformly distributed at intervals along the circumferential direction, and the whole air guide ribs extend in a spiral radial direction;
the plurality of baffle rods are sequentially arranged between two circumferentially adjacent air guide ribs, the extension directions of the baffle rods along the radial direction are consistent with those of the circumferentially adjacent air guide ribs, and the circumferential cross-sectional areas of the baffle rods are smaller than those of the air guide ribs;
the number of the air guide ribs of each radial grid group is gradually increased from inside to outside along the radial direction.
2. The air outlet grille of claim 1, wherein the cross-sectional development shape of the baffle rod in the circumferential direction is circular or rectangular.
3. An air outlet grille according to claim 1 wherein the stop bar is located axially rearward of the adjacent air guide ribs.
4. The air outlet grille of claim 1, wherein a connecting line between the inner end and the outer end of the rear end edge of the air guiding rib is defined as a reference line, a tangential direction of the rear end edge of the air guiding rib at the outer end thereof and the reference line define a front bend angle, and the front bend angle is 0-20 degrees;
the forward bending angle of the air guide ribs of each radial grid group is gradually increased from inside to outside along the radial direction.
5. An air outlet grille according to any one of claims 1 to 4 wherein, as viewed in an expanded view of a circumferential cross-section of said air guiding rib, said air guiding rib comprises:
a trailing edge, which is arc-shaped;
the front edge is arranged on the front side of the rear edge along the axial direction;
the first side edge is arc-shaped, and two ends of the first side edge are respectively connected with the same side end parts of the front edge and the rear edge; and
the second side edge is arc-shaped, and two ends of the second side edge are respectively connected with the other end parts of the front edge and the rear edge;
and the camber line is defined by camber lines with two ends respectively connected with the midpoint of the front edge and the midpoint of the rear edge, the bending directions of the first lateral edge and the second lateral edge are consistent with the bending direction of the camber line, and the distance between any point on the first lateral edge and the camber line is equal to the distance between the corresponding point on the second lateral edge and the camber line.
6. An air outlet grille according to claim 5 wherein the distance between the first side edge and the mean camber line and the distance between the second side edge and the mean camber line decrease from inside to outside along the mean camber line; or
The distance between the first lateral edge and the mean camber line and the distance between the second lateral edge and the mean camber line are uniformly consistent.
7. An air outlet grille according to claim 5, characterized in that a plane perpendicular to the central axis of the air outlet grille is defined as a reference plane, and an outlet angle is defined between a tangential direction of the axially forward end of the camber line and the reference plane, and the outlet angle is 80 ° to 90 °.
8. The air outlet grille of claim 5 wherein the distance between the midpoint of the trailing edge and the midpoint of the leading edge is in the range of 10 mm to 15 mm.
9. An air outlet grille according to claim 5, characterized in that, the air outlet grille comprises 5 annular frames, the annular frame positioned at the innermost side in the radial direction is a central platform, the annular frame positioned at the outermost side in the radial direction is a fixed ring, and the rest of the annular frames are sequentially provided with a first circumferential rib, a second circumferential rib and a third circumferential rib from inside to outside in the radial direction;
the radius of the central table is 70 mm to 90 mm, a group of radial grid groups are arranged between the first circumferential ribs and the central table, between the second circumferential ribs and the first circumferential ribs, between the third circumferential ribs and the second circumferential ribs and between the fixed ring and the third circumferential ribs, and the radial width of each radial grid group is 40 mm to 60 mm.
10. An air outlet grille according to claim 9 wherein the number of air guiding ribs connected between said first circumferential rib and said center console is 38 to 46, the number of air guiding ribs connected between said second circumferential rib and said first circumferential rib is 56 to 68, the number of air guiding ribs connected between said third circumferential rib and said second circumferential rib is 76 to 88, and the number of air guiding ribs connected between said fixing ring and said third circumferential rib is 90 to 98.
11. An air outlet grille according to claim 9 wherein a plane perpendicular to the central axis of the air outlet grille is defined as a reference plane, and an inlet angle is defined between a tangential direction of the rear end of the camber line in the axial direction and the reference plane;
the air guide ribs are arranged between the first circumferential ribs and the central platform, and the range of the air inlet angle of the air guide ribs is 54-68 degrees, and the air inlet angle is gradually increased from inside to outside along the radial direction;
the air guide ribs are arranged between the second circumferential ribs and the first circumferential ribs, and the range of the air inlet angle of the air guide ribs is 69-71 degrees and gradually increases from inside to outside along the radial direction;
the air guide ribs are arranged between the third circumferential ribs and the second circumferential ribs, and the range of the air inlet angle of the air guide ribs is 65-71 degrees and gradually decreases from inside to outside along the radial direction;
and the range of the air inlet angle of the air guide ribs arranged between the fixed ring and the third circumferential ribs is 25-65 degrees, and the air inlet angle is gradually reduced from inside to outside along the radial direction.
12. The air outlet grille of claim 9, wherein the first, second and third circumferential ribs each have a thickness in the radial direction of 1.3 mm to 1.5 mm and a length in the axial direction of 14 mm to 16 mm.
13. An outdoor unit of an air conditioner, comprising:
a wind impeller;
and the air outlet grid of any one of claims 1 to 12, wherein the rotation direction of the air guiding ribs is opposite to that of the wind impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020456945.5U CN212274121U (en) | 2020-03-31 | 2020-03-31 | Air condensing units and air-out grid thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020456945.5U CN212274121U (en) | 2020-03-31 | 2020-03-31 | Air condensing units and air-out grid thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024114768A1 (en) * | 2022-12-02 | 2024-06-06 | 青岛海尔空调器有限总公司 | Air outlet grille and air conditioner outdoor unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024114768A1 (en) * | 2022-12-02 | 2024-06-06 | 青岛海尔空调器有限总公司 | Air outlet grille and air conditioner outdoor unit |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |