CN209501129U - A kind of air filter - Google Patents
A kind of air filter Download PDFInfo
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- CN209501129U CN209501129U CN201920138444.XU CN201920138444U CN209501129U CN 209501129 U CN209501129 U CN 209501129U CN 201920138444 U CN201920138444 U CN 201920138444U CN 209501129 U CN209501129 U CN 209501129U
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- air
- wind wheel
- leaf
- drainage
- centrifugal wind
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Abstract
The utility model discloses a kind of air filters, including the ontology with air inlet and air outlet, the filter core in the ontology, motor and centrifugal wind wheel, the motor drives the centrifugal wind wheel to be rotated such that outside air is entered by the air inlet and is discharged from the air outlet, the drainage leaf of arc is equipped between the centrifugal wind wheel and the air outlet, the centrifugal flow of the centrifugal wind wheel output is drained to the air outlet via the drainage leaf, and the gas of the air outlet flows out the air outlet along the axial direction of the centrifugal wind wheel.Leaf is drained by setting, air-flow is oriented to, the torsion loss of air-flow is reduced, keeps the velocity flow profile of air outlet more uniform, backflow effeet is reduced, so that the filter effect of air filter is more preferable.
Description
Technical field
The utility model relates to a kind of air filters.
Background technique
In the related technology, air filter generally includes the ontology with air inlet and air outlet, the filter in ontology
Core, motor and centrifugal wind wheel, motor drive centrifugal wind wheel to be rotated such that outside air is entered by air inlet and arranged from air outlet
Out.However, existing air filter, the centrifugal flow of centrifugal wind wheel output is all directly to exclude from air outlet, the torsion of air-flow
Turn loss it is larger, the velocity flow profile of air outlet is uneven, caused by local resistance loss it is larger, backflow effeet is obvious.
Utility model content
The utility model is to solve the above problems, provide a kind of air filter, by setting drainage leaf, to air-flow progress
Guiding reduces the torsion loss of air-flow, keeps the velocity flow profile of air outlet more uniform, backflow effeet is reduced, so that air
The filter effect of filter is more preferable.
To achieve the above object, the technical solution adopted in the utility model are as follows: a kind of air filter, including there is air inlet
Ontology, the filter core in the ontology, motor and the centrifugal wind wheel of mouth and air outlet, the motor drive the centrifugal wind wheel
It is rotated such that outside air is entered by the air inlet and is discharged from the air outlet, the centrifugal wind wheel and the air outlet
Between be equipped with the drainage leaf of arc, the centrifugal flow of centrifugal wind wheel output is drained to the outlet air via the drainage leaf
Mouthful, the gas of the air outlet flows out the air outlet along the axial direction of the centrifugal wind wheel.
Optionally, the angular range of the air inlet angle θ 1 of the drainage leaf is 38 °~41 °, the outlet air angle θ 2 of the drainage leaf
Angular range be 85 °~90 °, it is described drainage leaf air inlet angle θ 1 be it is described drainage leaf it is interior tangentially with the centrifugal wind wheel
Radial angle, the outlet air angle θ 2 of the drainage leaf is the outer tangentially radial with the centrifugal wind wheel of the drainage leaf
Angle.
Optionally, the width of blade of the drainage leaf inner end is greater than the width of blade of the drainage leaf outer end, draws described
Under the action of flowing leaf, the centrifugal flow of the centrifugal wind wheel output is spread toward center.
Optionally, drain leaf inner end width of blade and drainage leaf outer end width of blade ratio range be 1.4~
1.5。
Optionally, the drainage leaf is equipped with multi-disc, and is provided at circumferentially spaced on drainage seat.
Optionally, the quantity of the drainage leaf is 8~9.
Optionally, it is equipped with windshield at the air outlet of the ontology, the outlet air is covered equipped with spaced grid, institute
Grid helically structure is stated, and the inclination angle alpha range of the grid is 16 °~24 °.
The beneficial effects of the utility model are:
1, by setting drainage leaf, air-flow is oriented to, the torsion loss of air-flow is reduced, makes the velocity flow profile of air outlet
It is more uniform, backflow effeet is reduced, so that the filter effect of air filter is more preferable.
2, the width of blade for draining leaf inner end is greater than the width of blade of the drainage leaf outer end, so that centrifugal flow is toward center
Diffusion.
3, the quantity for draining leaf is more, and the distribution of air-flow is more uniform, and the loss of on-way resistance caused by air-flow reverses is smaller.
4, outlet air is covered equipped with spaced grid, can block the structure cloth of filter interior to a certain extent
It sets, improves visual experience.Helically the tilt angle of structure grid is 16 °~24 °, meets the windup-degree of centrifugal flow, is dropped
The low local pressure loss.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is the overall perspective view of the air filter of an embodiment of the present invention；
Fig. 2 is the stereogram exploded view of the air filter of an embodiment of the present invention；
Fig. 3 is the partial sectional view of the air filter of an embodiment of the present invention；
Fig. 4 is the drainage leaf of the air filter of an embodiment of the present invention and the cross-sectional view for draining seat cooperation；
Fig. 5 is the cross-sectional view of the drainage leaf of the air filter of an embodiment of the present invention；
Fig. 6 is the top view for going out windshield of the air filter of an embodiment of the present invention；
Fig. 7 is the sectional view of A-A in Fig. 6.
In figure:
10- ontology；11- air inlet；12- air outlet；
20- filter core；
30- motor；
40- centrifugal wind wheel；
50- stream guiding barrel；51- upper shell；52- lower shell；
60- goes out windshield；61- grid；α-grid tilt angle；
70- drains leaf；71- drains leaf inner end；72- drains leaf outer end；The air inlet angle of θ 1- drainage leaf；θ 2- drains going out for leaf
Wind angle；
80- drains seat.
Specific embodiment
In order to be clearer and more clear technical problem to be solved in the utility model, technical solution and beneficial effect, with
Under in conjunction with the accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
As shown in Figures 1 to 7, a kind of air filter of the utility model, including with air inlet 11 and air outlet 12
Ontology 10, the filter core 20 in ontology 10, motor 30 and centrifugal wind wheel 40, motor 30 drive centrifugal wind wheel 40 rotate so that
It obtains outside air to be entered by air inlet 11 and be discharged from air outlet 12, drawing equipped with arc between centrifugal wind wheel 40 and air outlet 12
Flow leaf 70, the centrifugal flow that centrifugal wind wheel 40 exports is drained to air outlet 12 via drainage leaf 70, the gas of air outlet 12 along
The axial outflow air outlet 12 of centrifugal wind wheel 40.Leaf 70 is drained by setting, air-flow is oriented to, reduces the torsion damage of air-flow
Consumption, keeps the velocity flow profile of air outlet 12 more uniform, backflow effeet is reduced, so that the filter effect of air filter is more
It is good.
As shown in figure 5, the angular range of the air inlet angle θ 1 of the drainage leaf 70 of the present embodiment is 38 °~41 °, drainage leaf 70
The angular range of outlet air angle θ 2 be 85 °~90 °, drainage leaf 70 air inlet angle θ 1 be drainage leaf 70 it is interior tangentially with centrifugal wind wheel
40 radial angle, the outlet air angle θ 2 of drainage leaf 70 are the outer tangentially folder with the radial direction of centrifugal wind wheel 40 for draining leaf 70
Angle.
In the present embodiment, the width of blade of drainage leaf inner end 71 is greater than the width of blade of drainage leaf outer end 72, in drainage leaf
Under the action of 70, the centrifugal flow that centrifugal wind wheel 40 exports is spread toward center.Specifically, drainage leaf inner end 71 width of blade with
The ratio range for draining the width of blade of leaf outer end 72 is 1.4~1.5.
In the present embodiment, drainage leaf 70 is equipped with multi-disc, and the quantity of drainage leaf 70 is preferably 8~9, and is provided at circumferentially spaced
It drains on seat 80, drainage seat 80 sets between centrifugal wind wheel 40 and air outlet 12 and is located in the axial direction of centrifugal wind wheel 40.Drainage
The quantity of leaf 70 is more, and the distribution of air-flow is more uniform, and the loss of on-way resistance caused by air-flow reverses is smaller.
In the present embodiment, it is equipped with windshield 60 at the air outlet 12 of ontology 10, windshield 60 is equipped with spaced lattice out
Grid 61, the helically structure of grid 61, and the inclination angle alpha range of grid 61 are 16 °~24 °, meet the torsion of centrifugal flow
Angle reduces the local pressure loss.
In the present embodiment, further include be set to ontology 10 in and stream guiding barrel 50 up and down, stream guiding barrel 50 include it is upper
The upper shell 51 and lower shell 52 of lower arrangement, motor 30 and centrifugal wind wheel 40 are set in stream guiding barrel 50, and stream guiding barrel 50 limits
An airflow channel out,
When work, motor 30 is rotated, and motor 30 drives centrifugal wind wheel 40 to rotate so that outside air through ontology into
Air port 11 enters in ontology 10, then flow to centrifugal wind wheel 40 after filtering via filter core 20, then throws away through the centrifugation of centrifugal wind wheel 40,
The centrifugal flow that centrifugal wind wheel 40 exports flow to air outlet 12 through draining the drainage of leaf 70, finally flows out from air outlet 12.
The preferred embodiment of the utility model has shown and described in above description, as previously described, it should be understood that this is practical new
Type is not limited to forms disclosed herein, and should not be regarded as an exclusion of other examples, and can be used for various other groups
Conjunction, modification and environment, and above-mentioned introduction or the technology of related fields can be passed through within the scope of the inventive concept described herein
Or knowledge is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, then
It all should be in the protection scope of the appended claims for the utility model.
Claims (7)
1. a kind of air filter, including the ontology with air inlet and air outlet, the filter core in the ontology, motor and
Centrifugal wind wheel, the motor drive the centrifugal wind wheel be rotated such that outside air entered by the air inlet and from it is described go out
Air port discharge, which is characterized in that the drainage leaf of arc, the centrifugal wind wheel are equipped between the centrifugal wind wheel and the air outlet
The centrifugal flow of output is drained to the air outlet via the drainage leaf, and the gas of the air outlet is along the centrifugal wind wheel
Axial direction flow out the air outlet.
2. air filter according to claim 1, which is characterized in that the angular range of the air inlet angle θ 1 of the drainage leaf
It is 38 °~41 °, the angular range of the outlet air angle θ 2 of the drainage leaf is 85 °~90 °, and the air inlet angle θ 1 of the drainage leaf is institute
The interior tangentially with the radial angle of the centrifugal wind wheel of drainage leaf is stated, the outlet air angle θ 2 of the drainage leaf is the drainage leaf
The outer tangentially radial angle with the centrifugal wind wheel.
3. air filter according to claim 1, which is characterized in that the width of blade of the drainage leaf inner end is greater than institute
The width of blade for stating drainage leaf outer end, under the action of the drainage leaf, centrifugal flow that the centrifugal wind wheel exports is toward center
Diffusion.
4. air filter according to claim 3, which is characterized in that outside the width of blade and drainage leaf of drainage leaf inner end
The ratio range of the width of blade at end is 1.4~1.5.
5. air filter according to claim 1, which is characterized in that the drainage leaf is equipped with multi-disc, and circumferentially-spaced
Setting is on drainage seat.
6. air filter according to claim 1, which is characterized in that the quantity of the drainage leaf is 8~9.
7. air filter according to claim 1, which is characterized in that it is equipped with windshield at the air outlet of the ontology,
The outlet air is covered equipped with spaced grid, the grid helically structure, and the inclination angle alpha range of the grid
It is 16 °~24 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920138444.XU CN209501129U (en) | 2019-01-25 | 2019-01-25 | A kind of air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920138444.XU CN209501129U (en) | 2019-01-25 | 2019-01-25 | A kind of air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209501129U true CN209501129U (en) | 2019-10-18 |
Family
ID=68202741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920138444.XU Active CN209501129U (en) | 2019-01-25 | 2019-01-25 | A kind of air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209501129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115006933A (en) * | 2022-05-13 | 2022-09-06 | 上海铂钺制冷科技有限公司 | Oil-gas separator with built-in blade type fluid director and conical oil collector |
-
2019
- 2019-01-25 CN CN201920138444.XU patent/CN209501129U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115006933A (en) * | 2022-05-13 | 2022-09-06 | 上海铂钺制冷科技有限公司 | Oil-gas separator with built-in blade type fluid director and conical oil collector |
| CN115006933B (en) * | 2022-05-13 | 2023-11-03 | 上海铂钺制冷科技有限公司 | Oil-gas separator with built-in vane type fluid director and conical oil collector |
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