CN221236915U - High-efficient cooling fan is used to inverter motor - Google Patents
High-efficient cooling fan is used to inverter motor Download PDFInfo
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- CN221236915U CN221236915U CN202322393794.XU CN202322393794U CN221236915U CN 221236915 U CN221236915 U CN 221236915U CN 202322393794 U CN202322393794 U CN 202322393794U CN 221236915 U CN221236915 U CN 221236915U
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- ring part
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- cooling fan
- airflow
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- 238000001816 cooling Methods 0.000 title claims abstract description 23
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004512 die casting Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a high-efficiency cooling fan for a variable frequency motor, which comprises an air pipe and a fan main body positioned in the air pipe, wherein a blade body is sleeved on a rotating shaft of the fan main body; the air quantity centralized assembly comprises an inner ring part, a middle ring part and an outer ring part, wherein a plurality of arc-shaped reinforcing ribs are uniformly distributed on the inner ring part. The beneficial effects are that: the airflow effect of the outlet of the backward fan is improved, the full pressure energy of the backward fan is effectively improved, the fan efficiency is also improved, the evenly distributed salient points and the arc-shaped blades enable airflow to form a plurality of small eddies at the position, and the airflow of the boundary layer becomes turbulent flow due to the extremely tiny boundary layer and the viscous effect generated when the airflow flows, so that the flow of the boundary layer airflow is changed into turbulent flow, the flow separation when the airflow flows through the wind wheel is inhibited, the efficiency of the wind wheel is improved, and the rotation efficiency of the centrifugal wind wheel is improved.
Description
Technical Field
The utility model relates to the field of cooling fans, in particular to a high-efficiency cooling fan for a variable frequency motor.
Background
The cooling fan is composed of a water cooling system and an air supply system, hot air is cooled by the water cooling system and then is sent out by the air supply system to achieve the cooling effect, the impeller of the cooling fan forms a wing shape through an injection molding die casting process, small auxiliary parts for reducing noise, increasing strength and improving efficiency can be easily added on the impeller, the air flow velocity near the wind wheel part is slowed down due to the boundary layer phenomenon on the surface of the impeller, an obvious wake structure is generated, the flow loss inside the impeller is increased by the wake structure, the efficiency is reduced, and the matching property of the impeller and rear elements is reduced.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of utility model
Aiming at the problems in the related art, the utility model provides a high-efficiency cooling fan for a variable frequency motor, which aims to overcome the technical problems in the prior related art.
For this purpose, the utility model adopts the following specific technical scheme:
the efficient cooling fan for the variable frequency motor comprises an air pipe and a fan main body positioned in the air pipe, wherein a blade body is sleeved on a rotating shaft of the fan main body; the air quantity centralized assembly comprises an inner ring part, a middle ring part and an outer ring part, wherein a plurality of arc-shaped reinforcing ribs are uniformly distributed on the inner ring part, and one end of each arc-shaped reinforcing rib is connected with the rotating shaft sleeve.
Preferably, a plurality of evenly distributed salient points are arranged on one side of the top ends of the inner ring part, the middle ring part and the outer ring part, and grooves are formed in the top ends of the salient points.
Preferably, the top ends of the middle ring part and the outer ring part are respectively provided with a plurality of arc-shaped blades which are uniformly distributed, and the length of the arc-shaped blades is increased.
Preferably, the arc-shaped blades are obliquely arranged, and protrusions are arranged on the outer walls of the blade bodies.
Preferably, the top end of the arc-shaped reinforcing rib is provided with an inclined plane, and the inner side of the inclined plane is low and the outer side of the inclined plane is high.
Preferably, the thickness of the blades of the inner ring portion is greater than the thickness of the blades of the outer ring portion.
The beneficial effects of the utility model are as follows: through the arrangement design of the inner ring part, the middle ring part and the outer ring part, the air flow effect of the outlet of the backward fan is improved, the full pressure energy of the backward fan is effectively improved, the fan efficiency is also improved, the uniformly distributed salient points and the arc-shaped blades enable the air flow to form a plurality of small eddies at the positions, and the flow of the boundary layer air flow is changed into turbulent flow due to the extremely tiny boundary layer and the viscous effect generated when the air flow flows, so that the flow separation of the air flow flowing through the wind wheel is inhibited, the efficiency of the wind wheel is improved, and the rotation efficiency of the centrifugal wind wheel is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a high-efficiency cooling fan for a variable frequency motor according to an embodiment of the present utility model;
fig. 2 is a side view of a fan body of a high-efficiency cooling fan for a variable frequency motor according to an embodiment of the present utility model;
FIG. 3 is a side view of a blade body in a high efficiency cooling fan for a variable frequency motor in accordance with an embodiment of the present utility model;
Fig. 4 is an enlarged schematic view at a in fig. 3.
In the figure:
1. An air duct; 2. a fan main body; 3. a blade body; 4. a swivel sleeve; 5. an inner ring portion; 6. a middle ring portion; 7. an outer ring portion; 8. arc-shaped reinforcing ribs; 9. a bump; 10. a groove; 11. an arc-shaped blade; 12. a protrusion.
Detailed Description
For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.
According to the embodiment of the utility model, a high-efficiency cooling fan for a variable frequency motor is provided.
Embodiment one;
As shown in fig. 1-4, the efficient cooling fan for the variable frequency motor according to the embodiment of the utility model comprises an air pipe 1 and a fan main body 2 positioned in the air pipe 1, wherein a blade body 3 is sleeved on a rotating shaft of the fan main body 2, and the efficient cooling fan is characterized in that the blade body 3 is connected with the rotating shaft through a rotating shaft sleeve 4, and one side of the blade body 3 is provided with an air quantity concentration assembly; the air quantity centralized assembly comprises an inner ring part 5, a middle ring part 6 and an outer ring part 7, wherein a plurality of arc-shaped reinforcing ribs 8 are uniformly distributed on the inner ring part 5, and one end of each arc-shaped reinforcing rib 8 is connected with the rotating shaft sleeve 4.
Embodiment two;
As shown in fig. 1-4, a plurality of evenly distributed protruding points 9 are arranged on one side of the top ends of the inner ring part 5, the middle ring part 6 and the outer ring part 7, grooves 10 are formed in the top ends of the protruding points 9, a plurality of evenly distributed arc-shaped blades 11 are arranged on the top ends of the middle ring part 6 and the outer ring part 7, the length of each arc-shaped blade 11 is increased, the arc-shaped blades 11 are obliquely arranged, and protrusions 12 are arranged on the outer wall of the blade body 3.
Embodiment three;
As shown in fig. 1-4, the top end of the arc-shaped reinforcing rib 8 is provided with an inclined plane, the inner side of the inclined plane is low, the outer side of the inclined plane is high, and the thickness of the blade of the inner ring part 5 is larger than that of the blade of the outer ring part 7.
In summary, by means of the above technical solution of the present utility model, through the arrangement design of the inner ring portion 5, the middle ring portion 6 and the outer ring portion 7, the effect of the airflow at the outlet of the wind turbine is improved, the total pressure energy of the backward wind turbine is effectively improved, the efficiency of the wind turbine is also improved, and the uniformly distributed salient points 9 and the arc-shaped blades 11 enable the airflow to form a plurality of small vortices at the locations, and the airflow of the boundary layer becomes turbulent due to the extremely tiny boundary layer and the viscous effect generated when the airflow flows, so that the flow separation of the airflow flowing through the wind turbine is inhibited, the efficiency of the wind turbine is improved, and the rotation efficiency of the centrifugal wind turbine is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (4)
1. The efficient cooling fan for the variable frequency motor comprises an air pipe (1) and a fan main body (2) positioned in the air pipe (1), wherein a blade body (3) is sleeved on a rotating shaft of the fan main body (2), and the efficient cooling fan is characterized in that the blade body (3) is connected with the rotating shaft through a rotating shaft sleeve (4), and one side of the blade body (3) is provided with an air quantity concentration assembly; the air quantity centralized assembly comprises an inner ring part (5), a middle ring part (6) and an outer ring part (7), wherein a plurality of arc reinforcing ribs (8) are uniformly distributed on the inner ring part (5), one end of each arc reinforcing rib (8) is connected with a rotating shaft sleeve (4), a plurality of uniformly distributed protruding points (9) are arranged on one side of the top end of the inner ring part (5), the middle ring part (6) and one side of the top end of the outer ring part (7), grooves (10) are formed in the top ends of the protruding points (9), a plurality of uniformly distributed arc blades (11) are arranged on the top ends of the middle ring part (6) and the outer ring part (7), and the lengths of the arc blades (11) are gradually increased.
2. The efficient cooling fan for the variable frequency motor according to claim 1, wherein the arc-shaped blades (11) are obliquely arranged, and protrusions (12) are arranged on the outer walls of the blade bodies (3).
3. The efficient cooling fan for the variable frequency motor according to claim 1, wherein an inclined plane is arranged at the top end of the arc-shaped reinforcing rib (8), and the inner side of the inclined plane is low and the outer side of the inclined plane is high.
4. A high efficiency cooling fan for a variable frequency motor according to claim 1, characterized in that the thickness of the blades of the inner ring portion (5) is greater than the thickness of the blades of the outer ring portion (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322393794.XU CN221236915U (en) | 2023-09-05 | 2023-09-05 | High-efficient cooling fan is used to inverter motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322393794.XU CN221236915U (en) | 2023-09-05 | 2023-09-05 | High-efficient cooling fan is used to inverter motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221236915U true CN221236915U (en) | 2024-06-28 |
Family
ID=91598803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322393794.XU Active CN221236915U (en) | 2023-09-05 | 2023-09-05 | High-efficient cooling fan is used to inverter motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221236915U (en) |
-
2023
- 2023-09-05 CN CN202322393794.XU patent/CN221236915U/en active Active
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