CN110206759A - Air inlet ring and volute for range hood and range hood - Google Patents
Air inlet ring and volute for range hood and range hood Download PDFInfo
- Publication number
- CN110206759A CN110206759A CN201810887011.4A CN201810887011A CN110206759A CN 110206759 A CN110206759 A CN 110206759A CN 201810887011 A CN201810887011 A CN 201810887011A CN 110206759 A CN110206759 A CN 110206759A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- inlet ring
- air
- ontology
- spiral case
- 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.)
- Withdrawn
Links
- 239000007787 solid Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000007704 transition Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 125000001475 halogen functional group Chemical group 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/4233—Fan casings with volutes extending mainly in axial or radially inward direction
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
Abstract
The invention discloses an air inlet ring and a volute for a range hood and the range hood, wherein the air inlet ring comprises an air inlet ring body and an airflow dividing piece, the air inlet ring body comprises a fixing part and a guiding part, the guiding part is arranged on the inner side of the fixing part and is fixedly connected with the fixing part, and the airflow dividing piece is arranged on the guiding part of the air inlet ring body along the circumferential direction of the air inlet ring body. The fixed part and the guide part are arranged, so that the fixed part is connected with the air inlet of the volute body of the range hood, and the guide part guides the airflow outside the volute into the volute; in practical application, the included angle between the airflow direction at the end point of one end of the guide part close to the wind wheel and the radial airflow direction of the wind wheel in the volute is smaller than 90 degrees, so that the airflow is smoother and smoother in the process of converting axial flow into radial flow, and particularly, the airflow separation is effectively improved and the generation of vortexes is reduced at one end of the air inlet ring close to the wind wheel.
Description
Technical field
The present invention relates to range hood technical fields, and in particular to a kind of air inlet ring for range hood and have should be into
The spiral case of solar or lunar halo and range hood with the spiral case.
Background technique
Range hood is discharged fume generally by blower fan system, and blower fan system generally includes spiral case, wind wheel and air inlet ring,
Wind wheel is set in spiral case, and air inlet ring is installed on the air inlet of spiral case.Smoke evacuation when, air-flow by outside spiral case through air inlet ring stream
Enter, air flow direction changes later, becomes radial from axial, the air outlet outflow through wind wheel, spiral case.As it can be seen that air inlet ring is one
Critical component, it is axial admission device, and effect is that gas is smoothly directed to wind wheel.But existing air inlet coil structures,
Since the angle of the air flow direction at the endpoint of one end of wind wheel and wind wheel radial air flow flow direction is greater than or equal to 90 °,
It can not make air-flow smooth during the axial flow transition Radial Flow, and one of the close wind wheel in air inlet ring
End is easy to produce whirlpool.
Summary of the invention
In order to overcome the above-mentioned problems of the prior art, the main purpose of the present invention is to provide one kind can make air-flow
From axial flow transition be Radial Flow during smooth, and be effectively improved gas close to one end of wind wheel in air inlet ring
Flow separation reduces the air inlet ring for range hood that whirlpool generates.
To achieve the goals above, the present invention specifically uses following technical scheme:
The present invention provides a kind of air inlet ring for range hood, which includes air inlet ring ontology, the air inlet
Circle ontology includes fixed part and guidance part, and the guidance part, which is set to the inside of the fixed part and fixes with the fixed part, to be connected
It connects.
It preferably, further include air-flow cutting plate, the air-flow cutting plate is set to institute along the circumferential direction of the air inlet ring ontology
On the guidance part for stating air inlet ring ontology.
Preferably, the quantity of the air-flow cutting plate is N, and 10≤N≤120.
Preferably, the air-flow cutting plate is distributed evenly in the guidance part of the air inlet ring ontology.
Preferably, along the radial direction of the air inlet ring ontology, its height is gradually increased each air-flow cutting plate from outside to inside.
Preferably, the fixed part of the air inlet ring ontology, guidance part and air-flow cutting plate are integrally formed.
Preferably, the guidance part of the air inlet ring ontology is set as circular arc type.
Correspondingly, the present invention also provides a kind of spiral case, which includes spiral case ontology, wind wheel and air inlet ring, it is described into
Solar or lunar halo is above-mentioned air inlet ring, and the wind wheel is set in the spiral case ontology, and the air inlet ring is set to the spiral case ontology
Air inlet, the fixed part of the air inlet ring ontology with the air inlet of the spiral case ontology for connecting, the air inlet ring ontology
Guidance part be used to import the air-flow outside spiral case in spiral case, and the guidance part of the air inlet ring ontology is close to one end of wind wheel
Endpoint at air flow direction and wind wheel radial air flow flow to angle less than 90 °.
Preferably, there are two the air inlet ring settings, which is respectively arranged at the two sides of the spiral case ontology
Air inlet.
Correspondingly, the present invention also provides a kind of range hood, which includes above-mentioned spiral case.
Compared with the prior art, air inlet ring of the invention includes air inlet ring ontology, and the air inlet ring ontology includes fixed part
And guidance part, the guidance part are set to the inside of the fixed part and are fixedly connected with the fixed part；The present invention is by setting
It is equipped with fixed part and guidance part, to connect by the air inlet of fixed part and the spiral case ontology of range hood, passes through guidance part
Air-flow outside spiral case is imported in spiral case；In practical applications, make guidance part air flow direction at the endpoint of one end of wind wheel
The angle flowed to wind wheel radial air flow in spiral case can make air-flow from axial flow transition Radial Flow in this way less than 90 °
During more smooth, be especially effectively improved air-flow separation close to one end of wind wheel in air inlet ring, reduce whirlpool
It generates.
Detailed description of the invention
Fig. 1 is the air inlet ring perspective view of the embodiment of the present invention；
Fig. 2 is the spiral case stereogram exploded view of the embodiment of the present invention；
Fig. 3 is the spiral case three-dimensional assembly diagram of the embodiment of the present invention；
Fig. 4 is the A of the embodiment of the present invention to air-flow and B to air-flow angle schematic diagram, wherein A is wind wheel radial air flow stream
To B is guidance part air flow direction at the endpoint of lubrication groove one end；
In figure, 1, air inlet ring ontology；11, fixed part；12, guidance part；2, air-flow cutting plate；3, spiral case ontology；31, it enters the wind
Mouthful；32, air outlet；4, wind wheel.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, embodiment of the invention discloses a kind of air inlet ring for range hood, the air inlet ring include into
If solar or lunar halo ontology 1 and dry plate air-flow cutting plate 2, which is equipped with fixed part 11 and guidance part 12.Wherein, fixed part
11 are set as plane, and guidance part 12 is set as circular arc type, and guidance part 12 be set to fixed part 11 inside and with fixation
Portion 11 is fixedly connected.Air-flow cutting plate 2 along the circumferentially fixed guidance part 12 for being set to air inlet ring ontology 1 of air inlet ring ontology 1,
Several drafts can will be divided by the air-flow flowed into spiral case outside spiral case by the air-flow cutting plate 2, flow air-flow
Enter restrained in the flow transition in spiral case.To guarantee that the air inlet air-flow of wind wheel 4 is more uniform, reaches and improve wind wheel 4
Efficiency reduces the purpose of 4 noise of wind wheel.
Specifically, the quantity of air-flow cutting plate 2 is set as N, wherein 10≤N≤120, and each air-flow cutting plate 2 is uniform
Ground is distributed on the guidance part 12 of air inlet ring ontology 1, and each air-flow cutting plate 2 along air inlet ring ontology 1 radial direction from outside to inside
Its height is gradually increased.Because air-flow is more easy to produce whirlpool when flowing to spiral case 3 inside of ontology by outside, closer to wind wheel 4
Whirlpool, and make air-flow cutting plate 2 along airflow direction its height is gradually increased and can preferably inhibit the generation of whirlpool from outside to inside.?
In the present embodiment, it is preferable that N=60.In other embodiments, N may be set to be 50,70 or 80, with specific reference to practical need
It sets.
In the present embodiment, the fixed part 11 of air inlet ring ontology 1, guidance part 12 and air-flow cutting plate 2 pass through injection molding manner
Molding, i.e., the fixed part 11 of air inlet ring ontology 1, guidance part 12 and air-flow cutting plate 2 are integrally formed.And in other embodiments
In, the guidance part 12 of the fixed part 11 of air inlet ring ontology 1 and guidance part 12 or air-flow cutting plate 2 and air inlet ring ontology 1 can also be with
It is made by welding.
As shown in Figure 2 and Figure 3, the invention also discloses a kind of spiral case, which includes spiral case ontology 3, wind wheel 4 and above-mentioned
Air inlet ring, wherein wind wheel 4 is set in spiral case ontology 3, and air inlet ring is set to the two sides of spiral case ontology 3.And air inlet ring ontology
1 fixed part 11 is fixedly connected by screw with the air inlet 31 of spiral case ontology 3, and the guidance part 12 of air inlet ring ontology 1 is used for will
Air-flow outside spiral case imports in spiral case, and the guidance part 12 of air inlet ring ontology 1 air-flow stream at the endpoint of one end of wind wheel 4
Angle is flowed to less than 90 ° to the radial air flow with wind wheel 4 in spiral case ontology 3.Specifically, air-flow by outside spiral case through air inlet ring ontology
1 flows into, and air flow direction changes later, becomes the radial direction of wind wheel 4 from the axial direction of wind wheel 4, and the air outlet 32 through spiral case ontology 3 flows
Out, and due to the radial air flow of the wind wheel 4 in air flow direction at the endpoint of one end of wind wheel 4 and spiral case ontology 3 of guidance part 12
Angle is flowed to less than 90 °, therefore air-flow changes angle less than 90 °, allow the flow to smoothed when from axially becoming radial
It crosses.
In the present embodiment, the guidance part 12 of air inlet ring ontology 1 air flow direction and snail at the endpoint of one end of wind wheel 4
The angle of the radial air flow flow direction of wind wheel 4 is 64 ° in shell ontology 3, as shown in figure 4, A is the radial gas of wind wheel 4 in spiral case ontology 3
Stream flow direction, B be air inlet ring ontology 1 guidance part 12 at the endpoint of one end of wind wheel 4 air flow direction.And in other embodiments
In, the radial air flow of the wind wheel 4 in air flow direction at the endpoint of one end of wind wheel 4 and spiral case ontology 3 of guidance part 12 flows to folder
Angle may be designed in other angles, such as 50 °, 70 ° or 80 °, specifically when design, according to actual needs by changing air inlet ring
The radian of the guidance part 12 of ontology 1.
Correspondingly, the present embodiment also discloses a kind of range hood, which includes above-mentioned spiral case.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (10)
1. a kind of air inlet ring for range hood, which is characterized in that including air inlet ring ontology (1), the air inlet ring ontology (1)
Including fixed part (11) and guidance part (12), the guidance part (12) be set to the inside of the fixed part (11) and with it is described solid
Determine portion (11) to be fixedly connected.
2. the air inlet ring according to claim 1 for range hood, which is characterized in that it further include air-flow cutting plate (2),
The air-flow cutting plate (2) is set to the guidance part (12) of the air inlet ring ontology (1) along the circumferential direction of the air inlet ring ontology (1)
On.
3. the air inlet ring according to claim 2 for range hood, which is characterized in that the air-flow cutting plate (2)
Quantity is N, and 10≤N≤120.
4. the air inlet ring according to claim 3 for range hood, which is characterized in that the air-flow cutting plate (2) is equal
It is distributed in the guidance part (12) of the air inlet ring ontology (1) evenly.
5. the air inlet ring according to claim 2 for range hood, which is characterized in that each air-flow cutting plate (2) edge
Its height is gradually increased the radial direction of the air inlet ring ontology (1) from outside to inside.
6. the air inlet ring according to claim 2 for range hood, which is characterized in that the air inlet ring ontology (1)
Fixed part (11), guidance part (12) and air-flow cutting plate (2) are integrally formed.
7. the air inlet ring according to claim 1 for range hood, which is characterized in that the air inlet ring ontology (1)
Guidance part (12) is set as circular arc type.
8. a kind of spiral case, which is characterized in that wanted including spiral case ontology (3), wind wheel (4) and air inlet ring, the air inlet ring for right
1 to 7 described in any item air inlet rings are sought, the wind wheel (4) is set in the spiral case ontology (3), and the air inlet ring is set to
The fixed part (11) of the air inlet (31) of the spiral case ontology (3), the air inlet ring ontology (1) is used for and the spiral case ontology
(3) air inlet (31) connection, the guidance part (12) of the air inlet ring ontology (1) are used to the air-flow outside spiral case importing spiral case
It is interior, and the guidance part (12) of the air inlet ring ontology (1) air flow direction and wind wheel at the endpoint of the one end of wind wheel (4)
(4) radial air flow flows to angle less than 90 °.
9. spiral case according to claim 8, which is characterized in that there are two the air inlet ring settings, two air inlet rings point
It is not set at the two sides air inlet (31) of the spiral case ontology (3).
10. a kind of range hood, which is characterized in that including spiral case as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887011.4A CN110206759A (en) | 2018-08-06 | 2018-08-06 | Air inlet ring and volute for range hood and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887011.4A CN110206759A (en) | 2018-08-06 | 2018-08-06 | Air inlet ring and volute for range hood and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110206759A true CN110206759A (en) | 2019-09-06 |
Family
ID=67779799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810887011.4A Withdrawn CN110206759A (en) | 2018-08-06 | 2018-08-06 | Air inlet ring and volute for range hood and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110206759A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550853A (en) * | 2020-06-12 | 2020-08-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Guiding device and range hood |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006307651A (en) * | 2005-04-26 | 2006-11-09 | Kunihiro Miyake | Multiblade fan |
| CN201935263U (en) * | 2010-12-28 | 2011-08-17 | 比亚迪股份有限公司 | Exhaust device of range hood |
| CN104179728A (en) * | 2014-08-22 | 2014-12-03 | 广东海信家电有限公司 | Multi-wing centrifugal fan |
| CN106015092A (en) * | 2016-07-13 | 2016-10-12 | 重庆沃亚机械有限公司 | High-efficiency energy-saving fan |
| US20170306985A1 (en) * | 2014-11-04 | 2017-10-26 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Protective grille with improved efficiency and noise characteristics |
| CN107313951A (en) * | 2017-08-04 | 2017-11-03 | 广东美的制冷设备有限公司 | Double centrifugal blowers and air conditioner |
| CN208831337U (en) * | 2018-08-06 | 2019-05-07 | 华帝股份有限公司 | Air inlet ring and volute for range hood and range hood |
-
2018
- 2018-08-06 CN CN201810887011.4A patent/CN110206759A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006307651A (en) * | 2005-04-26 | 2006-11-09 | Kunihiro Miyake | Multiblade fan |
| CN201935263U (en) * | 2010-12-28 | 2011-08-17 | 比亚迪股份有限公司 | Exhaust device of range hood |
| CN104179728A (en) * | 2014-08-22 | 2014-12-03 | 广东海信家电有限公司 | Multi-wing centrifugal fan |
| US20170306985A1 (en) * | 2014-11-04 | 2017-10-26 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Protective grille with improved efficiency and noise characteristics |
| CN106015092A (en) * | 2016-07-13 | 2016-10-12 | 重庆沃亚机械有限公司 | High-efficiency energy-saving fan |
| CN107313951A (en) * | 2017-08-04 | 2017-11-03 | 广东美的制冷设备有限公司 | Double centrifugal blowers and air conditioner |
| CN208831337U (en) * | 2018-08-06 | 2019-05-07 | 华帝股份有限公司 | Air inlet ring and volute for range hood and range hood |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550853A (en) * | 2020-06-12 | 2020-08-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Guiding device and range hood |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190906 |
|
| WW01 | Invention patent application withdrawn after publication |