CN220706029U - Centrifugal wind wheel with collector - Google Patents
Centrifugal wind wheel with collector Download PDFInfo
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- CN220706029U CN220706029U CN202322339548.6U CN202322339548U CN220706029U CN 220706029 U CN220706029 U CN 220706029U CN 202322339548 U CN202322339548 U CN 202322339548U CN 220706029 U CN220706029 U CN 220706029U
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- air inlet
- impeller
- air
- wind wheel
- centrifugal wind
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- 238000011144 upstream manufacturing Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model provides a centrifugal wind wheel with mass flow device, includes impeller and mass flow device, and the mass flow device sets up on the air intake of impeller, is provided with the fresh air inlet on the mass flow device, and the air intake inserts in the fresh air inlet, is provided with the clearance between air intake and the fresh air inlet, fresh air inlet and clearance intercommunication, and the annular distributes on the impeller has a plurality of fin, and the fin is close to the clearance setting. According to the utility model, the small fins are added on the wheel cover, meanwhile, the diameter of the throat part of the current collector is larger than that of the air inlet of the impeller, namely, the air inlet is inserted into the air inlet hole, and a gap is arranged between the air inlet and the air inlet hole, so that the main body of the impeller can apply work, meanwhile, the fins also apply work to air flow, (the air flow flows in from the upstream gap and flows into the main air flow of the air outlet of the impeller after the air flow applies work), and the air inlet area is increased due to the fact that the diameter of the throat part of the current collector is increased, and meanwhile, the air flow of the wind wheel under the same rotating speed can be improved by more than 15% due to the fact that the air flow on the wheel cover applies work.
Description
Technical Field
The utility model relates to the technical field of centrifugal wind wheels, in particular to a centrifugal wind wheel with a collector.
Background
The Chinese patent document No. CN219472416U discloses an industrial fan inlet current collector in 2023, 8 and 4 days, and comprises an impeller and a current collector, wherein the current collector is cylindrical, the air outlet end of the current collector extends into the wheel cover of the impeller, a gap is arranged between the air outlet end of the current collector and the wheel cover of the impeller, a sealing structure is arranged at the gap, and the sealing structure consists of a sealing cover plate and an elastic hook lock component; a safety gap (the impeller is a rotating part, the collector is a static part) exists between the collector and the wheel cover of the industrial fan, leakage airflow exists at the gap, and in order to reduce leakage loss of the airflow at the gap, the diameter of the throat of the collector is smaller than that of the air inlet of the impeller, but the air inlet area of the collector is reduced to a certain extent, and the air quantity of the fan is further reduced.
Therefore, further improvements are needed.
Disclosure of Invention
The utility model aims to provide a centrifugal wind wheel with a collector, which has the advantages of simple structure, large air quantity, large air inlet area and strong practicability, so as to overcome the defects in the prior art.
According to the centrifugal wind wheel with current collector of this purpose design, including impeller and current collector, the current collector sets up on the air intake of impeller, is provided with the fresh air inlet on the current collector, its characterized in that: the air inlet is inserted into the air inlet hole, a gap is arranged between the air inlet and the air inlet hole, the air inlet hole is communicated with the gap, a plurality of fins are annularly distributed on the impeller, and the fins are arranged close to the gap.
The impeller comprises a wheel cover, blades and a wheel disc, the blades are annularly distributed between the wheel cover and the wheel disc, the air inlet is formed in the wheel cover, and the fins are annularly distributed on the wheel cover.
The diameter of the air inlet hole is D1, and the diameter of the air inlet is D2, wherein D1 is more than D2.
The number of fins is N and the number of blades is N, N >2*N.
The wing panel is vertically mounted on the wheel cover surface.
The height of the fin is h, h=4-12 mm.
The thickness of the gap is (D1-D2)/2, 4< (D1-D2)/2<h.
The mounting direction of the wing panel is the same as the mounting direction of the blade.
An air outlet is formed between two adjacent blades, the air inlet is communicated with the air outlet, one end of the wing piece is close to the gap, and the other end of the wing piece is close to the air outlet.
The lower side of the collector extends downwards to form a throat part, and the air inlet is arranged in the throat part.
According to the utility model, the small fins are added on the wheel cover, meanwhile, the diameter of the throat part of the current collector is larger than that of the air inlet of the impeller, namely, the air inlet is inserted into the air inlet hole, and a gap is arranged between the air inlet and the air inlet hole, so that the main body of the impeller can apply work, meanwhile, the fins also apply work to air flow, (the air flow flows in from the upstream gap and flows into the main air flow of the air outlet of the impeller after the air flow applies work), and the air inlet area is increased due to the fact that the diameter of the throat part of the current collector is increased, and meanwhile, the air flow of the wind wheel under the same rotating speed can be improved by more than 15% due to the fact that the air flow on the wheel cover applies work.
Drawings
Fig. 1 is a schematic view of the overall structure of a centrifugal wind wheel according to an embodiment of the present utility model.
Fig. 2 is a front view of a centrifugal rotor in accordance with an embodiment of the present utility model.
Fig. 3 is a cross-sectional view of a centrifugal rotor in an embodiment of the utility model.
Fig. 4 is a schematic view of the overall structure of the impeller according to an embodiment of the present utility model.
Fig. 5 is a schematic view of the overall structure of a current collector according to an embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Referring to fig. 1-5, the centrifugal wind wheel with the current collector comprises an impeller 1 and the current collector 2, wherein the current collector 2 is arranged on an air inlet 3 of the impeller 1, an air inlet 2.1 is arranged on the current collector 2, the air inlet 3 is inserted into the air inlet 2.1, a gap 4 is arranged between the air inlet 3 and the air inlet 2.1, the air inlet 2.1 is communicated with the gap 4, a plurality of fins 5 are annularly distributed on the impeller 1, and the fins 5 are arranged close to the gap 4; after entering the air inlet hole 2.1, one part of the air flow enters the air inlet 3 of the impeller 1, and the other part of the air flow reaches the fins 5 through the gap 4.
The impeller 1 comprises a wheel cover 6, blades 7 and a wheel disc 8, wherein the blades 7 are annularly distributed between the wheel cover 6 and the wheel disc 8, the air inlet 3 is formed in the wheel cover 6, and the fins 5 are annularly distributed on the wheel cover 6.
The diameter of the air inlet hole 2.1 is D1, the diameter of the air inlet 3 is D2, and D1 is more than D2.
The number of fins 5 is N and the number of blades 7 is N, N >2*N.
The fins 5 are vertically mounted on the surface of the wheel cover 6.
The height of the fins 5 is h=4 to 12mm, preferably 5mm, 8mm and 10mm.
The thickness of the gap 4 is (D1-D2)/2, 4< (D1-D2)/2<h.
The direction of installation of the fins 5 is the same as the direction of installation of the blades 7.
An air outlet 9 is formed between two adjacent blades 7, the air inlet 3 is communicated with the air outlet 9, one end of each wing piece 5 is close to the gap 4, the other end of each wing piece is close to the air outlet 9, and air flow entering the impeller 1 from the air inlet 3 flows out through the air outlet 9.
The underside of the collector 2 extends downwards to form a throat part 2.2, and the air inlet 2.1 is arranged in the throat part 2.2.
The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a centrifugal wind wheel with mass collector, includes impeller (1) and mass collector (2), and mass collector (2) set up on air intake (3) of impeller (1), are provided with inlet opening (2.1), its characterized in that on mass collector (2): the air inlet (3) is inserted into the air inlet hole (2.1), a gap (4) is arranged between the air inlet (3) and the air inlet hole (2.1), the air inlet hole (2.1) is communicated with the gap (4), a plurality of fins (5) are annularly distributed on the impeller (1), and the fins (5) are close to the gap (4).
2. The centrifugal wind wheel with collector according to claim 1, wherein: impeller (1) are including wheel casing (6), blade (7) and rim plate (8), and blade (7) annular distribution is between wheel casing (6) and rim plate (8), and air intake (3) set up on wheel casing (6), and fin (5) annular distribution is on wheel casing (6).
3. A centrifugal wind wheel with a collector according to claim 2, wherein: the diameter of the air inlet hole (2.1) is D1, and the diameter of the air inlet (3) is D2, wherein D1 is more than D2.
4. A centrifugal wind wheel with a collector according to claim 2, wherein: the number of fins (5) is N and the number of blades (7) is N, N >2*N.
5. A centrifugal wind wheel with a collector according to claim 3, wherein: the wing pieces (5) are vertically arranged on the surface of the wheel cover (6).
6. The centrifugal wind wheel with collector according to claim 5, wherein: the height of the fin (5) is h, h=4-12 mm.
7. The centrifugal wind wheel with collector according to claim 6, wherein: the thickness of the gap (4) is (D1-D2)/2, 4< (D1-D2)/2<h.
8. A centrifugal wind wheel with a collector according to claim 2, wherein: the mounting direction of the wing (5) is the same as the mounting direction of the blade (7).
9. A centrifugal wind wheel with a collector according to claim 2, wherein: an air outlet (9) is formed between two adjacent blades (7), the air inlet (3) is communicated with the air outlet (9), one end of each wing piece (5) is close to the gap (4), and the other end of each wing piece is close to the air outlet (9).
10. A centrifugal wind wheel with a collector according to any of claims 1-9, wherein: the lower side of the collector (2) extends downwards to form a throat part (2.2), and the air inlet (2.1) is arranged in the throat part (2.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322339548.6U CN220706029U (en) | 2023-08-28 | 2023-08-28 | Centrifugal wind wheel with collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322339548.6U CN220706029U (en) | 2023-08-28 | 2023-08-28 | Centrifugal wind wheel with collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220706029U true CN220706029U (en) | 2024-04-02 |
Family
ID=90447680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322339548.6U Active CN220706029U (en) | 2023-08-28 | 2023-08-28 | Centrifugal wind wheel with collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220706029U (en) |
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2023
- 2023-08-28 CN CN202322339548.6U patent/CN220706029U/en active Active
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