CN201757445U - Range hood fan set with commutating function - Google Patents
Range hood fan set with commutating function Download PDFInfo
- Publication number
- CN201757445U CN201757445U CN2010202878751U CN201020287875U CN201757445U CN 201757445 U CN201757445 U CN 201757445U CN 2010202878751 U CN2010202878751 U CN 2010202878751U CN 201020287875 U CN201020287875 U CN 201020287875U CN 201757445 U CN201757445 U CN 201757445U
- Authority
- CN
- China
- Prior art keywords
- range hood
- volute
- air inlet
- blower
- screens
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a range hood fan set with a commutating function, which comprises a fan volute (centrifugal fan volute) with an air outlet pipe and a centrifugal fan cavity, an impeller arranged inside the fan volute and a motor driving the impeller to rotate. A commutating screen fixedly covers and is installed at an air inlet of the fan volute, and when air flow enters the air inlet, flue gas cannot generate turbulence during entering the air inlet under commutation of the commutating screen.
Description
Technical field
The utility model relates to a kind of blower fan group structure, especially a kind of range hood air unit with rectified action.
Background technology
At present, range hood does not have rectifier structure at the air inlet place of blower fan, and when blower fan turned round, powerful air-flow directly sucked by air inlet, forms eddy current or turbulent flow at the air inlet place, makes range hood air draught decrease in efficiency and produces the eddy current noise.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of range hood air unit with rectified action, can effectively reduce the noise of range hood.
The utility model for the technical scheme that solves its technical problem and adopt is:
A kind of range hood air unit with rectified action, comprise tool discharge pipe and centrifugal blower chamber volute of blower (centrifugal fan volute), be located at the motor that impeller in the volute of blower and impeller are rotated, the fixing covering in the air inlet place of this volute of blower is equipped with screens, when air-flow enters air inlet, by the rectified action of screens, flue gas can not form turbulent flow when entering air inlet.
As further improvement of the utility model, described volute of blower is single air inlet spiral case.
As further improvement of the utility model, described volute of blower is two air inlet spiral cases.
As further improvement of the utility model, the mesh of described screens is a kind of in square and the rhombus, can certainly be any other shape, and the wire side of screens can be to work out or be crushed to.
As further improvement of the utility model, the mesh area of described screens is 4mm
2～3600mm
2
The beneficial effects of the utility model are: the air inlet place at blower fan sets up screens, makes flue gas can't form turbulent flow or eddy current when entering air inlet, thereby has improved the air draught efficient of range hood and reduced noise.
Description of drawings
Fig. 1 does not install the structural representation of screens for the utility model;
Fig. 2 is a schematic appearance of the present utility model;
Fig. 3 is a volute of blower schematic diagram described in the utility model;
Fig. 4 is the screens schematic diagram of diamond-shaped meshes described in the utility model;
Fig. 5 is the screens schematic diagram of square mesh described in the utility model.
The specific embodiment
Embodiment: a kind of range hood air unit with rectified action, comprise tool discharge pipe and centrifugal blower chamber volute of blower 1 (centrifugal fan volute), be located at the motor 3 that impeller 2 in the volute of blower and impeller are rotated, the fixing covering in the air inlet place of this volute of blower 1 is equipped with screens 4, when air-flow enters air inlet, by the rectified action of screens 4, flue gas can not form turbulent flow when entering air inlet.
Described volute of blower 1 can be single air inlet spiral case; Also can be two air inlet spiral cases.
The mesh of described screens 4 is a kind of in square and the rhombus, can certainly be any other shape, and the wire side of screens can be to work out or be crushed to.
The mesh area of described screens 4 is 4mm
2～3600mm
2
Claims (5)
1. range hood air unit with rectified action, comprise tool discharge pipe and centrifugal blower chamber volute of blower (1), be located at the motor (3) that impeller (2) in the volute of blower and impeller are rotated, it is characterized in that: the fixing covering in the air inlet place of this volute of blower (1) is equipped with screens (4).
2. the range hood air unit with rectified action according to claim 1 is characterized in that: described volute of blower (1) is single air inlet spiral case.
3. the range hood air unit with rectified action according to claim 1 is characterized in that: described volute of blower (1) is two air inlet spiral cases.
4. according to claim 2 or 3 described range hood air units, it is characterized in that with rectified action: the mesh of described screens (4) for the square and rhombus in a kind of.
5. the range hood air unit with rectified action according to claim 4 is characterized in that: the mesh area of described screens (4) is 4mm
2～3600mm
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202878751U CN201757445U (en) | 2010-08-09 | 2010-08-09 | Range hood fan set with commutating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202878751U CN201757445U (en) | 2010-08-09 | 2010-08-09 | Range hood fan set with commutating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201757445U true CN201757445U (en) | 2011-03-09 |
Family
ID=43644724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202878751U Expired - Fee Related CN201757445U (en) | 2010-08-09 | 2010-08-09 | Range hood fan set with commutating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201757445U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182707A (en) * | 2011-05-09 | 2011-09-14 | 美的集团有限公司 | Centrifugal fan for range hood and volute profile generation method thereof |
| CN105091280A (en) * | 2015-09-07 | 2015-11-25 | 珠海格力电器股份有限公司 | Deflecting cover, air inlet system and round cabinet body |
| CN106196207A (en) * | 2016-07-22 | 2016-12-07 | 宁波方太厨具有限公司 | A kind of range hood |
-
2010
- 2010-08-09 CN CN2010202878751U patent/CN201757445U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182707A (en) * | 2011-05-09 | 2011-09-14 | 美的集团有限公司 | Centrifugal fan for range hood and volute profile generation method thereof |
| CN102182707B (en) * | 2011-05-09 | 2013-10-09 | 美的集团股份有限公司 | Centrifugal fan for oil and smoke exhaust machine and method for manufacturing volute profile line thereof |
| CN105091280A (en) * | 2015-09-07 | 2015-11-25 | 珠海格力电器股份有限公司 | Deflecting cover, air inlet system and round cabinet body |
| CN106196207A (en) * | 2016-07-22 | 2016-12-07 | 宁波方太厨具有限公司 | A kind of range hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110309 Termination date: 20140809 |
|
| EXPY | Termination of patent right or utility model |