CN213273136U - Air outlet grille and air conditioner outdoor unit with same - Google Patents
Air outlet grille and air conditioner outdoor unit with same Download PDFInfo
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- CN213273136U CN213273136U CN202021750740.4U CN202021750740U CN213273136U CN 213273136 U CN213273136 U CN 213273136U CN 202021750740 U CN202021750740 U CN 202021750740U CN 213273136 U CN213273136 U CN 213273136U
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- 238000005452 bending Methods 0.000 claims abstract description 51
- 230000007704 transition Effects 0.000 claims abstract description 7
- 239000003507 refrigerant Substances 0.000 description 5
- 238000012803 optimization experiment Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model provides an air-out grid and air condensing units who has it. The air outlet grille is used for being installed on an outer shell of an air conditioner outdoor unit and comprises an outer frame, an inner frame, a plurality of curve ribs and a plurality of annular ribs. An air outlet area is formed between the outer frame and the inner frame, each curved rib comprises a first bending section, a transition section and a second bending section which sequentially extend from the inner frame to the outer frame, and the bending directions and the curvature radiuses of the first bending section and the second bending section are different; the annular ribs are concentrically arranged by taking the center of the inner frame as a circle center, are crossed with the curved ribs and are configured to divide the air outlet area into a plurality of air outlet sub-areas so as to discharge heat exchange air flow of the outdoor unit through the air outlet sub-areas. The utility model discloses a curve rib bending direction is different with curvature radius, can prolong the distance between outer frame and the internal frame, and the air-out resistance that reduces as far as possible improves heat exchange efficiency, and the appearance is pleasing to the eye, easily promotes.
Description
Technical Field
The utility model relates to an air conditioning technology field especially relates to an air-out grid and air condensing units who has it.
Background
An air outlet grille of an outdoor unit of an air conditioner is generally installed on a casing of the outdoor unit and located at an air outlet, and mainly functions in guiding air, rectifying air and protecting safety. However, due to the unreasonable design of the air outlet grille of the conventional outdoor unit, the air blown out from the air outlet grille may be sucked back to the air inlet side of the outdoor unit to cause a return air phenomenon, which affects the heat exchange of the outdoor unit.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome at least one defect among the prior art, provide an air-out grid for air condensing units.
The utility model discloses a further purpose makes the heat exchange efficiency who improves the off-premises station.
Particularly, the utility model provides an air-out grid for air condensing units, a serial communication port, be used for installing on air condensing units's the shell, include:
the air outlet device comprises an outer frame and an inner frame, wherein an air outlet area is formed between the outer frame and the inner frame;
a plurality of curved ribs, each of which comprises a first bending section, a transition section and a second bending section which are sequentially extended from the inner frame to the outer frame, wherein the bending directions of the first bending section and the second bending section are different, and the curvature radiuses of the first bending section and the second bending section are different; and
the annular ribs are concentrically arranged by taking the center of the inner frame as a circle center, are crossed with the curve ribs, and are configured to divide the air outlet area into a plurality of air outlet sub-areas so as to discharge heat exchange air flow of the outdoor unit through the air outlet sub-areas.
Further, the flow area of the air outlet region between two adjacent curved ribs is gradually increased along the direction from the inner frame to the outer frame.
Further, the inner frame is circular; and is
And the central angle corresponding to the arc length between the intersection points of two adjacent first bending sections on the inner frame is 10-13 degrees.
Further, the outer frame is square, and a circular space is formed in the middle of the outer frame; and is
The inner frame is positioned in the circular space and is concentric and coplanar with the outer frame.
Further, the first bending section bends towards a clockwise direction, and the second bending section bends towards a counterclockwise direction; and is
The radius of curvature of the first curved section is greater than the radius of curvature of the second curved section.
Further, the radius of curvature of the first curved section is 1.1-1.5 times of the radius of curvature of the second curved section.
Further, the cross section of the annular rib is gradually reduced from the middle part to the inside and the outside of the air outlet grille to form a flat shape; and is
The height of annular rib is 2 ~ 5mm, the width of annular rib is 5 ~ 8 mm.
Furthermore, the outer frame is provided with a plurality of mounting holes and a plurality of clamping parts for fixing the outer frame and the shell of the air conditioner outdoor unit.
Furthermore, the curved ribs and the annular ribs are of an integrally formed structure.
Particularly, the utility model provides an air condensing units, include:
a housing; and an air outlet grille according to any one of the above.
The utility model discloses an among the air-out grid, the first crooked district section and the crooked district section of second of curved rib are curved state to its crooked orientation is different and curvature radius is different, also is that curved rib roughly can be the S type and extends by the inside outer frame of frame. For the grid that has the curved rib to the unilateral bending, the distance between outer frame and the inner frame can be prolonged to the curved rib of S type, promptly, can set up the air-out region that the area is bigger between outer frame and the inner frame to optimize heat exchange efficiency. In addition, the S-shaped curved ribs can also comb an air outlet flow line, air outlet resistance is reduced as much as possible, heat exchange efficiency is further improved, and the effect verification of trial-manufactured products is achieved in the mode.
The utility model discloses an among the air-out grid, because the cross section of annular rib is from the inside and outside convergent of middle part to the air-out grid to form the platykurtic, consequently, the air current is less than the area of contact at middle part with the inboard area of contact of annular rib when the air current blows off from the inboard of off-premises station, with the inboard area of contact of annular rib is less, this makes and reduces at the air current and the inboard energy loss of contact of annular rib, make the velocity of flow of air current accelerate, further improved heat exchange efficiency.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of an outdoor unit of an air conditioner according to an embodiment of the present invention;
fig. 2 is a front view of an air outlet grille in an outdoor unit of an air conditioner according to an embodiment of the present invention;
fig. 3 is a schematic view of a curved rib in an outdoor unit of an air conditioner according to an embodiment of the present invention;
fig. 4 is a partial sectional view of an air outlet grille of an outdoor unit of an air conditioner according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a ring rib in an outdoor unit of an air conditioner according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1, fig. 1 is a schematic view of an outdoor unit of an air conditioner according to an embodiment of the present invention. The present invention provides an outdoor unit 10 of an air conditioner, which may include a casing 100, protecting important components in the casing 100, such as a compressor, etc. The casing 100 is generally provided therein with an axial flow fan for promoting the formation of heat exchange air flow to accelerate the heat dissipation of the outdoor unit 10 of the air conditioner, and the casing 100 is provided thereon with an opening for guiding out the heat exchange air flow from the casing 100.
In this embodiment, the outlet grille 200 is further installed at the opening of the casing 100, so as to communicate the inside and the outside of the casing 100, and effectively prevent foreign matters or small animals from entering the casing 100.
Referring to fig. 1 to 3, fig. 2 is a front view of an air outlet grille in an outdoor unit of an air conditioner according to an embodiment of the present invention, and fig. 3 is a schematic view of a curved rib in an outdoor unit of an air conditioner according to an embodiment of the present invention. The outlet grill 200 may include an outer frame 210, an inner frame 220, a plurality of curved ribs 230, and a plurality of annular ribs 240.
An air outlet area is formed between the outer frame 210 and the inner frame 220; the plurality of curved ribs 230 may further include a first bending section 232, a transition section 234, and a second bending section 236 extending from the inner frame 220 to the outer frame 210 in sequence, and the first bending section 232 and the second bending section 236 have different bending directions and different curvature radii; the plurality of annular ribs 240 are concentrically disposed around the center of the inner frame 220, intersect the plurality of curved ribs 230, and are configured to divide the air outlet area into a plurality of air outlet areas 250, so that the heat exchange air flow of the outdoor unit 10 is discharged through the air outlet areas 250.
Generally, components such as a compressor and a condenser are provided in the outdoor unit 10, and when the air conditioner is in a cooling state, the compressor compresses a refrigerant into refrigerant vapor having a high temperature and a high pressure, and then discharges the refrigerant vapor to the condenser. The high-temperature and high-pressure refrigerant steam exchanges heat with heat exchange airflow formed by the axial flow fan at the condenser, and then is cooled into high-pressure and normal-temperature refrigerant liquid, and the heat exchange airflow after heat exchange is discharged to the outside from the air outlet region 250.
As described in the background art, the outlet grille of the conventional outdoor unit of an air conditioner is not designed properly, and the air blown from the outlet grille may be sucked back to the air inlet side of the outdoor unit to cause a return air phenomenon, which affects the heat exchange of the outdoor unit of the air conditioner.
In the present embodiment, the first bending section 232 and the second bending section 236 of the curved rib 230 may be in a bending state, and the bending directions thereof are different and the curvature radii thereof are different, that is, the curved rib 230 may extend from the inner frame 220 to the outer frame 210 in a substantially S-shape. The S-shaped curved ribs 230 may extend the distance between the outer frame 210 and the inner frame 220, relative to a grid having curved ribs bent to one side. In other words, an air outlet area with a larger area may be disposed between the outer frame 210 and the inner frame 220 to optimize the heat exchange efficiency. In addition, the S-shaped curved ribs 230 can also comb the air outlet flow lines, so that the air outlet resistance is reduced as much as possible, and the heat exchange efficiency is further improved.
Referring to fig. 2, in some embodiments, the flow area of the air outlet region 250 between two adjacent curved ribs 230 gradually increases along the direction from the inner frame 220 to the outer frame 210, so that the distance between the air outlet regions 250 is as far as possible under the condition of ensuring the strength, so as to improve the air outlet efficiency.
In some embodiments, the inner frame 220 may also be circular; and the central angle corresponding to the arc length between the meeting points of two adjacent first bending sections 232 on the inner frame 220 is 10-13 °.
Referring to fig. 2, the first bending section 232 is disposed to extend from the inner frame 220 to the outer frame 210, that is, the first bending section 232 is formed on the outer edge of the inner frame 220. The arc length between the intersection points of two adjacent first bending sections 232 on the outer edge of the inner frame 220 can also be understood as the side length of one air outlet region 250 closest to the inner frame 220. Since the flow area of the air outlet region 250 between two adjacent curved ribs 230 gradually increases along the direction from the inner frame 220 to the outer frame 210, that is, the arc length is the side length of the air outlet region 250 with the shortest arc length.
Further, through a large number of optimization experiments of the inventor, the following results are found: when the central angle corresponding to the arc length is configured to be any value within the range of 10-13 degrees (for example, 10 degrees, 12 degrees or 13 degrees), the air outlet efficiency is improved to a certain extent and the appearance is attractive.
Further, referring to fig. 2, the outer frame 210 is square, and the middle of the outer frame 210 has a circular space; and the inner frame 220 is positioned within the circular space, concentrically and coplanar with the outer frame 210.
In the embodiment, the air outlet region formed between the outer frame 210 and the inner frame 220 is annular, and the annular ribs 240 are concentrically disposed around the center of the inner frame 220 (i.e., the center of the inner frame 220), that is, the outer frame 210, the inner frame 220, and the annular ribs 240 are concentrically disposed. The circular ribs 240 and the curved ribs 230 are arranged in a crossed manner, and when the curved ribs 230 extend from the inner frame 220 to the outer frame 210, the curved ribs 230 can fix the plurality of circular ribs 240 between the outer frame 210 and the inner frame 220 to form a stable structure.
Of course, the skilled person in the art knows the technical solution of the present invention and can also set the outer frame 210, the inner frame 220 and the air outlet area formed between the outer frame 210 and the inner frame 220 into other shapes, which can also obtain the above technical effects of the present invention, and the description thereof is omitted.
In some embodiments, the first curved section 232 curves in a clockwise direction and the second curved section 236 curves in a counter-clockwise direction; and the radius of curvature of the first curved section 232 is greater than the radius of curvature of the second curved section 236.
Referring to fig. 2 and 3, fig. 3 is a schematic view of a curved rib in an outdoor unit of an air conditioner according to an embodiment of the present invention, wherein R1 represents a radius of an arc where a first bending section 232 is located, and R2 represents a radius of an arc where a second bending section 236 is located. It will be readily seen that the first curved section 232 is oriented differently from the second curved section 236, and that the radius of curvature R1 of the first curved section 232 is greater than the radius of curvature R2 of the second curved section 236. When the first bending section 232 is bent in a clockwise direction after extending from the inner frame 220, a transition section 234 is formed at an end of the first bending section 232, and then a second bending section 236 extends from the end of the transition section 234 toward the outer frame 210. The transition section 234 may be a common tangent line of the first bending section 232 and the second bending section 236, so that the first bending section 232 and the second bending section 236 are smoothly transited.
In some preferred embodiments, the inventors found through extensive optimization experiments that: when the curvature radius R1 of the first curved section 232 is 1.1-1.5 times, for example, 1.1, 1.3 or 1.5 times, the curvature radius R2 of the second curved section 236, the air-out efficiency is improved to a certain extent, and the curved ribs 230 are formed in a radial shape, so that the outdoor unit 10 is more beautiful.
Referring to fig. 4 and 5, fig. 4 is a partial cross-sectional view of an air outlet grille of an outdoor unit of an air conditioner according to an embodiment of the present invention, and fig. 5 is a cross-sectional view of a ring rib of an outdoor unit of an air conditioner according to an embodiment of the present invention, wherein a dotted arrow shows an inside airflow direction of the air outlet grille 200. In some embodiments, the cross-section of the annular rib 240 tapers from the middle to the inside and outside of the outlet grill 200 to form a flat shape.
The contact area of the air stream with the inner side of the annular rib 240 is smaller than the contact area of the middle part. When the air current blows from the inside of the outdoor unit 10, the air current contacts the inside of the annular rib 240 in the lateral direction, and the contact area of the inside of the annular rib 240 is relatively small, so that the energy loss caused by the contact of the air current and the inside of the annular rib 240 is reduced, the flow velocity of the air current is increased, and the heat exchange efficiency is improved.
Referring to fig. 4, in the present embodiment, the crossing position of the circular rib 240 and the curved rib 230 may be located in the middle of the circular rib 240 with a larger thickness, so that the circular rib 240 and the curved rib 230 are more stable.
Referring to fig. 5, H in fig. 5 represents the height of the annular rib 240, and L represents the width of the annular rib 240. In some preferred embodiments, the inventors found through extensive optimization experiments that: when the height H of the annular rib 240 is 2-5 mm, for example, 2mm, 3.5mm or 5mm, and the width L of the annular rib is 5-8 mm, for example, 5mm, 7.5mm or 8mm, the air outlet efficiency is improved to a certain extent.
Referring to fig. 2, the outer frame 210 is further provided with a plurality of mounting holes 212 and a plurality of engaging portions 260 for fixing the outer frame 210 to the casing 100 of the outdoor unit 10.
Correspondingly, the casing 100 of the outdoor unit 10 may further include screw holes for engaging with the mounting holes 212 and slots for engaging with the engaging portions 260, so as to fix the outer frame 210 and the casing 100 of the outdoor unit 10 together. Of course, the above-mentioned fixing method can be formed in many ways known to those skilled in the art, and will not be described herein.
In some embodiments, the curved ribs 230 and the annular ribs 240 are integrally formed, and the integrally formed structure can make the structure of the air outlet grille 200 more stable and easy for mass production.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. An air outlet grille for an outdoor unit of an air conditioner, for being mounted on a casing of the outdoor unit of the air conditioner, comprising:
the air outlet device comprises an outer frame and an inner frame, wherein an air outlet area is formed between the outer frame and the inner frame;
a plurality of curved ribs, each of which comprises a first bending section, a transition section and a second bending section which are sequentially extended from the inner frame to the outer frame, wherein the bending directions of the first bending section and the second bending section are different, and the curvature radiuses of the first bending section and the second bending section are different; and
the annular ribs are concentrically arranged by taking the center of the inner frame as a circle center, are crossed with the curve ribs, and are configured to divide the air outlet area into a plurality of air outlet sub-areas so as to discharge heat exchange air flow of the outdoor unit through the air outlet sub-areas.
2. An air-outlet grille according to claim 1,
the flow area of the air outlet region between every two adjacent curve ribs is gradually increased along the direction from the inner frame to the outer frame.
3. An air-outlet grille according to claim 2,
the inner frame is circular; and is
And the central angle corresponding to the arc length between the intersection points of two adjacent first bending sections on the inner frame is 10-13 degrees.
4. An air-outlet grille according to claim 3,
the outer frame is square, and a circular space is formed in the middle of the outer frame; and is
The inner frame is positioned in the circular space and is concentric and coplanar with the outer frame.
5. An air-outlet grille according to claim 1,
the first bending section bends towards the clockwise direction, and the second bending section bends towards the anticlockwise direction; and is
The radius of curvature of the first curved section is greater than the radius of curvature of the second curved section.
6. An air-outlet grille according to claim 5,
the curvature radius of the first bending section is 1.1-1.5 times of the curvature radius of the second bending section.
7. An air-outlet grille according to claim 1,
the cross section of the annular rib is gradually reduced from the middle part to the inside and the outside of the air outlet grille to form a flat shape; and is
The height of annular rib is 2 ~ 5mm, the width of annular rib is 5 ~ 8 mm.
8. An air-outlet grille according to claim 1,
the outer frame is further provided with a plurality of mounting holes and a plurality of clamping parts, and the mounting holes are used for fixing the outer frame and the shell of the air conditioner outdoor unit.
9. An air-outlet grille according to claim 1,
the curved ribs and the annular ribs are of an integrally formed structure.
10. An outdoor unit of an air conditioner, characterized in that,
a housing; and
comprising a wind outlet grille according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021750740.4U CN213273136U (en) | 2020-08-20 | 2020-08-20 | Air outlet grille and air conditioner outdoor unit with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021750740.4U CN213273136U (en) | 2020-08-20 | 2020-08-20 | Air outlet grille and air conditioner outdoor unit with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213273136U true CN213273136U (en) | 2021-05-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021750740.4U Active CN213273136U (en) | 2020-08-20 | 2020-08-20 | Air outlet grille and air conditioner outdoor unit with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213273136U (en) |
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2020
- 2020-08-20 CN CN202021750740.4U patent/CN213273136U/en active Active
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