CN214092440U

CN214092440U - Axial flow wind wheel, fan and air conditioner

Info

Publication number: CN214092440U
Application number: CN202022109732.8U
Authority: CN
Inventors: 程守炤; 王垚琦; 叶涛; 覃万翔; 潘翠秋
Original assignee: Guangdong Sunwill Precising Plastic Co Ltd
Current assignee: Guangdong Sunwill Precising Plastic Co Ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-08-31
Anticipated expiration: 2030-09-23

Abstract

The utility model provides an axial flow wind wheel, including wheel hub, blade, fin. At least one blade is connected to the peripheral wall of the hub, the blade including a blade root connected to the hub and a blade tip radially remote from the hub, the blade including a base including a leading edge and a trailing edge disposed on opposite sides of the base between the blade tip and the blade root; the empennage is connected to the blade, and the empennage extends between the blade tip and the blade root. The pressure of the pressure surface at the blade tail can be reduced by arranging the tail wing at the blade tail, so that the vortex at the blade tail can be effectively improved, and the problems of low-energy fluid aggregation and channel blockage caused by the vortex at the blade tail can be solved. Therefore, the noise can be reduced, the wind loss can be reduced, and the pneumatic performance can be improved.

Description

Axial flow wind wheel, fan and air conditioner

Technical Field

The utility model relates to an axial compressor wind wheel field specifically relates to an axial compressor wind wheel with empennage.

Background

When the axial flow wind wheel rotates, the pressure of the pressure surface at the air outlet of the blade tail is large, and the pressure of the suction surface is small, so that airflow backflow can be caused at the pressure surface, vortexes are generated, noise is generated, and wind loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an axial flow wind wheel.

The utility model also provides a fan of having above-mentioned axial compressor wind wheel.

The utility model also provides an air conditioner of having above-mentioned fan.

According to the utility model discloses an axial compressor wind wheel of first aspect embodiment, include: hub, blade, fin. At least one blade is connected to the peripheral wall of the hub, the blade comprising a blade root connected to the hub and a blade tip remote from the hub in a radial direction of the hub, the blade comprising a base comprising a leading edge and a trailing edge arranged on opposite sides of the base between the blade tip and the blade root; the empennage is connected to the blade, and the empennage extends between the blade tip and the blade root.

According to the utility model discloses axial compressor wind wheel of first aspect embodiment has following beneficial effect at least: the pressure of the pressure surface at the blade tail can be reduced by arranging the tail wing at the blade tail, so that the vortex at the blade tail can be effectively improved, and the problems of low-energy fluid aggregation and channel blockage caused by the vortex at the blade tail can be solved. Therefore, the noise can be reduced, the wind loss can be reduced, and the pneumatic performance can be improved.

According to some embodiments of the utility model, the basal portion has the pressure surface and deviates from the suction surface of pressure surface, the fin skew the pressure surface sets up just the suction surface with the fin is located same one side of pressure surface.

According to some embodiments of the invention, the width of the empennage is greater than or equal to 2 millimeters and less than or equal to 10 millimeters.

According to some embodiments of the invention, the length of the empennage is greater than or equal to half the length of the blade tail.

According to some embodiments of the invention, the extending direction of the tail fin and the extending direction of the pressure surface have an included angle α, α is greater than or equal to 3 ° and less than or equal to 45 °.

According to some embodiments of the invention, the tail extends from the tip to the root.

According to some embodiments of the invention, the empennage has an intermediate position thereon, the intermediate position being equidistant from the tip and the root, the empennage extending from the tip to the intermediate position.

According to some embodiments of the invention, the blade is provided with five, five the blade is followed wheel hub the circumference of periphery wall evenly sets up.

According to the utility model discloses a fan of second aspect embodiment, include the utility model discloses axial compressor wind wheel of first aspect embodiment.

According to the utility model discloses a fan of second aspect embodiment has following beneficial effect at least: through adopting the utility model discloses axial compressor wind wheel of first aspect embodiment sets up the fin through locating at the leaf tail, can reduce the pressure of leaf tail department pressure surface to can improve the vortex of leaf tail department effectively, thereby can improve the problem of low energy fluid gathering, jam runner that the leaf tail department caused because the vortex. Therefore, the noise can be reduced, the wind loss can be reduced, and the pneumatic performance can be improved.

According to the utility model discloses an air conditioner of third aspect embodiment, include the fan of second aspect embodiment of the utility model

According to the utility model discloses an air conditioner of second aspect embodiment has following beneficial effect at least: through adopting the utility model discloses the fan of second aspect embodiment through set up the fin in leaf tail department, can reduce the pressure of leaf tail department pressure surface to can improve the vortex of leaf tail department effectively, thereby can improve the problem of low energy fluid gathering, jam runner that leaf tail department caused because the vortex. Therefore, the noise can be reduced, the wind loss can be reduced, and the pneumatic performance can be improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an axial flow wind wheel of the present invention;

fig. 2 is a schematic structural view of the axial-flow wind wheel in fig. 1 from another perspective.

Reference numerals:

the axial-flow wind wheel 100 is provided with,

blade 200, blade root 201, blade tip 202, base 203, leading edge 204, blade tail 205, tail wing 206, pressure surface 207, suction surface 208,

hub 300, outer peripheral wall 301.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to, for example, the upper, lower, inner, outer, etc., is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, the first, second and third are only used for distinguishing technical features, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features or implicitly indicate the precedence of the indicated technical features.

In the description of the present invention, unless otherwise clear and definite limitations, words such as setting, installing, connecting, assembling, matching, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention by combining the specific contents of the technical solutions.

Referring to fig. 1 to 2, an axial wind wheel 100 according to an embodiment of the first aspect of the present invention. Including hub 300, blades 200, tail 206. At least one blade 200 is attached to the peripheral wall 301 of the hub 300, the blade 200 comprising a blade root 201 attached to the hub 300 and a blade tip 202 located radially away from the hub 300 of the blade 200. The blade 200 includes a base 203, the base 203 including a leading edge 204 and a trailing edge 205 disposed on opposite sides between a tip 202 and a root 201. An empennage 206 is attached to the tail 205 of the blade 200, the empennage 206 extending between the tip 202 and the root 201. By arranging the tail wing 206 at the blade tail 205, the pressure of the pressure surface 207 at the blade tail 205 can be reduced, so that the vortex at the blade tail 205 can be effectively improved, and the problems of low-energy fluid accumulation and channel blockage caused by the vortex at the blade tail 205 can be improved. Therefore, the noise can be reduced, the wind loss can be reduced, and the pneumatic performance can be improved.

Referring to fig. 1-2, in some embodiments, the base 203 has a pressure surface 207 and a suction surface 208 facing away from the pressure surface 207, the flight 206 is disposed offset from the pressure surface 207 and the suction surface 208 is on the same side of the pressure surface 207 as the flight 206. By biasing the flight 206 towards the suction surface 208, noise at the pressure surface 207 is reduced, reducing backflow.

Referring to fig. 1-2, in some embodiments, the tail 206 has a width W that is greater than or equal to 2 millimeters and less than or equal to 10 millimeters. The width of the tail wing 206 is set to be greater than or equal to 2 mm and less than or equal to 10 mm, so that the air volume can be ensured while the backflow is reduced.

Referring to fig. 1-2, in some embodiments, the length of the tail wing 206 is equal to or greater than half the length of the blade tail 205. The tail 206 needs to have a proper length to achieve the effect of reducing the backflow, and thus the length of the tail 206 cannot be excessively short.

Referring to FIGS. 1-2, in some embodiments, the direction D1 of extension of the flight 206 is at an angle α, 3 ≦ α ≦ 45, to the direction D2 of extension of the pressure surface 207. The included angle between the extending direction of the tail wing 206 and the extending direction of the pressure surface 207 cannot be too small or too large, so that backflow can be reduced, wind resistance can be reduced, the working performance can be guaranteed, and the energy efficiency can be improved.

Referring to fig. 1-2, in some embodiments, the tail fin 206 extends from the tip 202 to the root 201 to better reduce backflow.

Referring to fig. 1-2, in some embodiments, the tail wing 206 has an intermediate position that is equidistant from the tip 202 and the root 201, and the tail wing 206 extends from the tip 202 to the intermediate position. This can save material while reducing backflow.

Referring to fig. 1-2, in some embodiments, the blades 200 are provided in five, with the five blades 200 being uniformly disposed along the circumference of the outer peripheral wall 301 of the hub 300. A tail fin 206 is provided on each blade 200 to reduce backflow.

According to the utility model discloses fan of second aspect embodiment, include the axial compressor wind wheel 100 of the first aspect embodiment of the utility model. Through adopting the utility model discloses axial compressor wind wheel 100 of the first aspect embodiment, through set up fin 206 in leaf tail 205 department, can reduce the pressure of leaf tail 205 department pressure surface 207 to can improve the vortex of leaf tail 205 department effectively, thereby can improve the problem that leaf tail 205 department caused low energy fluid gathering, jam runner because of the vortex. Therefore, the noise can be reduced, the wind loss can be reduced, and the pneumatic performance can be improved.

According to the utility model discloses the air conditioner of third aspect embodiment, including the fan of this implementation novel second aspect embodiment. Through adopting the utility model discloses fan of second aspect embodiment through set up fin 206 in leaf tail 205 department, can reduce the pressure of leaf tail 205 department pressure surface 207 to can improve the vortex of leaf tail 205 department effectively, thereby can improve the problem that leaf tail 205 department caused low energy fluid gathering, jam runner because the vortex. Therefore, the noise can be reduced, the wind loss can be reduced, and the pneumatic performance can be improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An axial flow wind wheel, comprising:

a hub;

at least one blade connected to the peripheral wall of the hub, the blade including a blade root connected to the hub and a blade tip radially remote from the hub, the blade including a base including a leading edge and a blade tail disposed on opposite sides of the base between the blade tip and the blade root;

an empennage connected to the blade tail of the blade, the empennage extending between the tip and the root.

2. The axial flow wind wheel according to claim 1, characterized in that: the base portion is provided with a pressure surface and a suction surface deviating from the pressure surface, the tail wing deviates from the pressure surface, and the suction surface and the tail wing are located on the same side of the pressure surface.

3. The axial flow wind wheel according to claim 1, characterized in that: the width of the tail wing is more than or equal to 2 mm and less than or equal to 10 mm.

4. The axial flow wind wheel according to claim 1, characterized in that: the length of the tail wing is more than or equal to half of the length of the blade tail.

5. The axial flow wind wheel according to claim 2, characterized in that: the extending direction of the tail wing and the extending direction of the pressure surface form an included angle alpha which is more than or equal to 3 degrees and less than or equal to 45 degrees.

6. The axial flow wind wheel according to claim 1, characterized in that: the empennage extends from the tip to the root.

7. The axial flow wind wheel according to claim 1, characterized in that: the tail wing has an intermediate position located equidistant from the tip and the root, the tail wing extending from the tip to the intermediate position.

8. The axial wind wheel according to any of claims 1 to 7, characterized in that: the blade is provided with five, five the blade is followed the wheel hub the circumference of periphery wall evenly sets up.

9. A fan comprising an axial flow wind wheel according to any of claims 1 to 8.

10. An air conditioner comprising the fan as claimed in claim 9.