CN112628201B - Diversion type axial flow wind wheel and axial flow fan with same - Google Patents
Diversion type axial flow wind wheel and axial flow fan with same Download PDFInfo
- Publication number
- CN112628201B CN112628201B CN202011432520.1A CN202011432520A CN112628201B CN 112628201 B CN112628201 B CN 112628201B CN 202011432520 A CN202011432520 A CN 202011432520A CN 112628201 B CN112628201 B CN 112628201B
- Authority
- CN
- China
- Prior art keywords
- guide ring
- blade
- axial flow
- wind wheel
- edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003068 static effect Effects 0.000 abstract description 5
- 239000000411 inducer Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
- F04D29/386—Skewed blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a diversion type axial flow wind wheel and an axial flow fan with the same, comprising a hub and a guide ring, wherein blades are arranged between the hub and the guide ring; the guide ring is of a cylindrical structure, the upper side of the guide ring is an inlet, and the lower side of the guide ring is an outlet; the blade comprises a blade front edge, a blade outer edge and a blade tail edge, wherein the blade outer edge is connected with the inner wall of the guide ring, and the blade outer edge and the blade tail edge extend upwards out of the guide ring; through the design of the improved blades and the guide ring, the original leakage flow and tip vortex of the axial flow wind wheel can be eliminated, the pressure rise and static pressure efficiency of the wind wheel are improved, and the effect of reducing the noise of the fan is also achieved.
Description
Technical Field
The invention relates to the technical field of axial flow fans, in particular to a diversion type axial flow wind wheel and an axial flow fan with the same.
Background
The axial flow fan blade has very wide application in daily life, and the axial flow refers to the air flow flowing in the same direction with the axis of the fan blade, such as an electric fan and an air conditioner outdoor unit, which are fans running in an axial flow mode. Axial flow fans with axial flow blades are generally used in occasions with higher flow requirements and lower pressure requirements, and are widely used in the field of air conditioning. The axial flow wind wheel inducer of the air conditioner outdoor unit has a gap with the wind wheel, namely a blade top gap, when the wind wheel rotates, leakage flow and blade tip vortex can be generated at the outer edge of the blade, and the pressure rise and efficiency of the wind wheel are reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a diversion type axial flow wind wheel and an axial flow fan with the same.
The technical scheme adopted for solving the technical problems is as follows: the guide flow type axial flow wind wheel comprises a hub and a guide ring, wherein blades are arranged between the hub and the guide ring; the guide ring is of a cylindrical structure, the upper side of the guide ring is an inlet, and the lower side of the guide ring is an outlet; the blade comprises a blade front edge, a blade outer edge and a blade tail edge, wherein the blade outer edge is connected with the inner wall of the guide ring, and the blade outer edge and the blade tail edge extend upwards out of the guide ring; the diameter of the diversion type axial flow wind wheel is defined as D, the distance between the inlet of the guide ring and the outlet of the guide ring is L, and the value of D and L is satisfied, and L is more than or equal to 0.1D and less than or equal to 0.15D.
According to the diversion type axial flow wind wheel provided by the invention, through the improved blade and guide ring designs, the original leakage flow and tip vortex of the axial flow wind wheel can be eliminated, the pressure rise and static pressure efficiency of the wind wheel are improved, and the effect of reducing the noise of a fan is also achieved.
As some preferred embodiments of the invention, the thickness of the guide ring is defined as delta, and the delta is satisfied with the value of 0.05 D.ltoreq.delta.ltoreq.0.08D.
As some preferred embodiments of the invention, the distance from the lowest point of the tail edge of the blade to the outlet of the guide ring is defined as H, and the values of H and L are satisfied, wherein H is more than or equal to 0.2L and less than or equal to 0.3L.
As some preferred embodiments of the present invention, an inner flow guiding sloping plate is arranged between the tail edge of the blade and the guide ring.
An axial flow fan comprises the diversion type axial flow wind wheel.
According to the axial flow fan provided by the invention, the original leakage flow and tip vortex of the axial flow wind wheel can be eliminated by adopting the improved blade and guide ring design, the pressure rise and static pressure efficiency of the wind wheel are improved, and the effect of reducing the noise of the fan is also achieved.
The beneficial effects of the invention are as follows: by adopting the improved blade and guide ring design, the original leakage flow and tip vortex of the axial flow wind wheel can be eliminated, the pressure rise and static pressure efficiency of the wind wheel are improved, and the effect of reducing the noise of the fan is also achieved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a perspective view of the present invention;
fig. 2 is a schematic structural view of the present invention.
Reference numerals:
hub 100, blade 200, blade leading edge 210, blade outer edge 220, blade trailing edge 230, inner swash plate 240, and guide ring 300.
Detailed Description
The present application will be described in further detail with reference to the drawings and embodiments, in order to make the objects, technical solutions and advantages of the present application more apparent. In the following description, certain specific details are set forth in order to provide a thorough understanding of the application. While the application may be practiced without these specific details, it is possible that those skilled in the art will be able to more effectively introduce their operational nature to other persons of skill in the art using the descriptions and statements herein. Furthermore, it should be noted that the words "upper," "lower," and the like used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component, and that simple and non-inventive adjustments by those skilled in the relevant arts are not to be construed as outside the scope of the present application. It should be understood that the detailed description is presented merely to illustrate the application and is not intended to limit the actual scope of the application.
Fig. 1 is a perspective view of an embodiment of the present invention, and referring to fig. 1, an embodiment of the present invention provides a flow-guiding axial flow wind turbine, which includes a hub 100 and an inducer 300, and blades 200 are disposed between the hub 100 and the inducer 300.
Further, the guide ring 300 has a cylindrical structure, the upper side of the guide ring 300 is an inlet, and the lower side of the guide ring 300 is an outlet.
Still further, the blade 200 includes a blade leading edge 210, a blade outer edge 220, and a blade trailing edge 230, wherein the blade outer edge 220 is connected to an inner wall of the guide ring 300, and the blade outer edge 220 and the blade trailing edge 230 extend upward from the guide ring 300.
Still further, referring to fig. 2, a diameter of the guide-type axial flow wind wheel is defined as D, wherein the diameter of the wind wheel refers to a diameter of the position of the blade 200 on the guide-type axial flow wind wheel, a distance between an inlet of the guide ring 300 and an outlet of the guide ring 300 is L, and values of D and L are satisfied, and L is more than or equal to 0.1D and less than or equal to 0.15D.
The design of the improved blade 200 and the guide ring 300 can eliminate the original leakage flow and tip vortex of the axial flow wind wheel, improve the pressure rise and static pressure efficiency of the wind wheel, and simultaneously, the elimination of the vortex flow also has the effect of reducing the noise of the fan.
An axial flow fan comprises the diversion type axial flow wind wheel.
The above disclosure of a flow guiding axial flow wind wheel and an axial flow fan is only a preferred embodiment of the present invention, and is only for illustrating the technical scheme of the present invention, but not for limiting the same. It should be understood by those skilled in the art that the technical solutions described in the foregoing technical solutions may be modified or supplemented by the combination of the prior art, or some of the technical features may be replaced by equivalents thereof; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the invention.
Reference will now be made in detail to some embodiments, examples of which are illustrated in the accompanying drawings, wherein the reference to "an embodiment" refers to a particular feature, structure, or characteristic that may be included in at least one implementation of the present application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Furthermore, the details of one or more embodiments are not fixed to any particular order, nor is it intended to be limiting.
In embodiment 1, the thickness delta of the guide ring 300 is defined as delta, the delta value is satisfied, delta is more than or equal to 0.05D and less than or equal to 0.08D, and the structural strength is ensured.
In embodiment 2, the distance from the lowest point of the blade tail edge 230 to the outlet of the guide ring 300 is defined as H, and the values of H and L are satisfied, and 0.2L is less than or equal to 0.3L, so that the path loss of the air flow in the guide ring 300 can be reduced, the efficiency is improved, the air flow velocity of the air just flowing out of the blade tail edge at the position of the blade tail edge 230 near the outlet of the guide ring 300 is faster, and when the air flows into the next stage of grille, enough kinetic energy is provided for sending the air, and the phenomenon that the air kinetic energy is insufficient and is blocked by the grille to cause backflow and wind dispersion in the prior art is avoided.
In embodiment 3, an inner guiding inclined plate 240 is disposed between the vane tail edge 230 and the guide ring 300, so as to further improve the drainage effect and ensure the structural strength.
In embodiment 4, the diameter of the guide-type axial flow wind wheel is D, the distance between the inlet of the guide ring 300 and the outlet of the guide ring 300 is L, the thickness of the guide ring 300 is δ, the distance between the lowest point of the blade tail edge 230 and the outlet of the guide ring 300 is H, l=0.1d, δ=0.05d, and h=0.2L.
In embodiment 5, the diameter of the guide-type axial flow wind wheel is D, the distance between the inlet of the guide ring 300 and the outlet of the guide ring 300 is L, the thickness of the guide ring 300 is δ, the distance between the lowest point of the blade tail edge 230 and the outlet of the guide ring 300 is H, l=0.12D, δ=0.06D, and h=0.25L.
In embodiment 6, the diameter of the guide-type axial flow wind wheel is D, the distance between the inlet of the guide ring 300 and the outlet of the guide ring 300 is L, the thickness of the guide ring 300 is δ, the distance between the lowest point of the blade tail edge 230 and the outlet of the guide ring 300 is H, l=0.15D, δ=0.08D, and h=0.3L.
The present invention is also capable of suitable alterations and modifications in the above-described embodiments, in light of the above principles. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention.
Claims (2)
1. A water conservancy diversion formula axial flow wind wheel, its characterized in that: the novel hub comprises a hub (100) and a guide ring (300), wherein blades (200) are arranged between the hub (100) and the guide ring (300);
The guide ring (300) is of a cylindrical structure, an inlet is formed in the upper side of the guide ring (300), and an outlet is formed in the lower side of the guide ring (300);
The blade (200) comprises a blade front edge (210), a blade outer edge (220) and a blade tail edge (230), wherein the blade outer edge (220) is connected with the inner wall of the guide ring (300), and the blade outer edge (220) and the blade tail edge (230) extend upwards out of the guide ring (300);
Defining the diameter of the diversion type axial flow wind wheel as D, wherein the distance between an inlet of the guide ring (300) and an outlet of the guide ring (300) is L, and the value of D and L is satisfied, and L is more than or equal to 0.1D and less than or equal to 0.15D;
defining the thickness of the guide ring (300) as delta, wherein the delta is satisfied with the value of 0.05D or more and 0.08D or less;
defining the distance from the lowest point of the blade tail edge (230) to the outlet of the guide ring (300) as H, wherein the values of H and L are satisfied, and H is more than or equal to 0.2L and less than or equal to 0.3L;
an inner flow guiding inclined plate (240) is arranged between the blade tail edge (230) and the guide ring (300).
2. An axial flow fan comprising the flow-guiding axial flow wind wheel according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011432520.1A CN112628201B (en) | 2020-12-10 | 2020-12-10 | Diversion type axial flow wind wheel and axial flow fan with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011432520.1A CN112628201B (en) | 2020-12-10 | 2020-12-10 | Diversion type axial flow wind wheel and axial flow fan with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112628201A CN112628201A (en) | 2021-04-09 |
| CN112628201B true CN112628201B (en) | 2024-06-18 |
Family
ID=75309382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011432520.1A Active CN112628201B (en) | 2020-12-10 | 2020-12-10 | Diversion type axial flow wind wheel and axial flow fan with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112628201B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214661053U (en) * | 2020-12-10 | 2021-11-09 | 广东顺威精密塑料股份有限公司 | Flow guide type axial flow wind wheel and axial flow fan with same |
| CN219622932U (en) * | 2023-01-13 | 2023-09-01 | 广东顺威精密塑料股份有限公司 | Axial flow wind wheel and axial flow fan with local secondary warping of outer edge |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208918908U (en) * | 2018-10-24 | 2019-05-31 | 美的集团股份有限公司 | Axial-flow windwheel, wind wheel component, air-conditioner outdoor unit and air conditioner |
-
2020
- 2020-12-10 CN CN202011432520.1A patent/CN112628201B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214661053U (en) * | 2020-12-10 | 2021-11-09 | 广东顺威精密塑料股份有限公司 | Flow guide type axial flow wind wheel and axial flow fan with same |
| CN219622932U (en) * | 2023-01-13 | 2023-09-01 | 广东顺威精密塑料股份有限公司 | Axial flow wind wheel and axial flow fan with local secondary warping of outer edge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112628201A (en) | 2021-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11506211B2 (en) | Counter-rotating fan | |
| CN109611356B (en) | Backward centrifugal fan | |
| CN110374900B (en) | Mixed flow fan with sinusoidal meridian flow channel | |
| CN104295531A (en) | Centrifugal fan and air conditioner | |
| CN108412809B (en) | Flow guide ring, centrifugal fan and air conditioner | |
| CN113175443A (en) | Efficient low-noise three-dimensional flow impeller of backward centrifugal fan without volute | |
| KR20040032342A (en) | centrifugal blower with blade preventing eddy | |
| CN214661053U (en) | Flow guide type axial flow wind wheel and axial flow fan with same | |
| CN112628201B (en) | Diversion type axial flow wind wheel and axial flow fan with same | |
| CN117450113A (en) | Axial flow fan and guiding device thereof | |
| CN215765401U (en) | Fresh air fan and air conditioner indoor unit | |
| CN215566847U (en) | Backward centrifugal impeller and ventilator thereof | |
| CN213953981U (en) | Integrated centrifugal fan | |
| CN209818372U (en) | Negative pressure formula axial fan of high-efficient silence | |
| CN110425157B (en) | Efficient gas mixing centrifugal fan | |
| WO2021139508A1 (en) | Diffuser, air supply apparatus, and dust collection equipment | |
| CN113309714A (en) | Multi-wing centrifugal fan and household appliance | |
| CN112177976B (en) | Integrated centrifugal fan | |
| CN204113746U (en) | Centrifugal fan and air conditioner | |
| CN216788809U (en) | Current collector for centrifugal fan and multi-wing centrifugal fan applying same | |
| CN214247797U (en) | Centrifugal fan and air conditioner | |
| CN212868009U (en) | Impeller and bladeless fan | |
| CN113417886B (en) | Backward centrifugal impeller and ventilator thereof | |
| CN217381021U (en) | Pneumatic component, dust collector and compressor comprising axial diffuser | |
| CN112762009B (en) | Cross-flow blade, cross-flow fan and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |