CN104728158A - Wind wheel for range hood - Google Patents
Wind wheel for range hood Download PDFInfo
- Publication number
- CN104728158A CN104728158A CN201510143743.9A CN201510143743A CN104728158A CN 104728158 A CN104728158 A CN 104728158A CN 201510143743 A CN201510143743 A CN 201510143743A CN 104728158 A CN104728158 A CN 104728158A
- Authority
- CN
- China
- Prior art keywords
- wind wheel
- die cavity
- range hood
- blade
- wheel used
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 10
- 230000030279 gene silencing Effects 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 abstract description 9
- 241000251468 Actinopterygii Species 0.000 description 8
- 241000283153 Cetacea Species 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011664 nicotinic acid Substances 0.000 description 4
- 230000009182 swimming Effects 0.000 description 4
- 238000010411 cooking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005406 washing 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
- F04D29/283—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage type
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
-
- 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 relates to a wind wheel for a range hood, which is characterized in that: including support frame (1) and establishing a plurality of blades (2) on support frame (1), blade (2) include die cavity (21) and establish in die cavity (21) cavity, core (22) that have the amortization function be equipped with a plurality of bloops (211) on die cavity (21), this range hood wind wheel can reduce the vortex noise, can improve the flow of cigarette machine simultaneously, reduces the resistance of wind wheel, raises the efficiency.
Description
[technical field]
The present invention relates to a kind of wind wheel used for range hood.
[background technique]
Range hood is also known as range hood, it is a kind of kitchen appliance purifying kitchen environment, it is arranged on above fume exhauster for kitchen cooking stove, the harmful oil smoke produced can be taken away rapidly, outside discharge chamber in the refuse of cooking stove burning and cooking process, decreasing pollution, purify air, and have gas defence, explosion-proof safety guarantee effect, range hood needs regularly to clean, simple cleaning processes to fall greasy dirt, and cleaning fan of sucking oil fume must use the washing agent of specialty to clean.
Range hood be ordinary family indispensable kitchen electricity product, range hood noise is all larger on the market now, range hood main noise is divided into mechanical noise and aerodynamic noise, mechanical noise is mainly the mechanical noise that when cigarette machine runs, vibration produces, and aerodynamic noise is mainly the eddy current crack in the rotational noise of wind wheel and runner.
1, mechanical noise: because traditional range hood cigarette machine main motion parts is wind wheel, and wind wheel is generally stamped to form with the sheet metal of several uniform thickness, blade rigid is poor, in addition because wind wheel is in manufacturing technology, each blade has weight differential, cause wind wheel weight in circumferentially maldistribution, wind wheel easily produces vibration when High Rotation Speed, thus produces mechanical noise.
2, aerodynamic noise: the strike air of the blade cyclic on impeller, causes gas pressure to pulse the noise produced.Often there is separation of flow district in the Ye Dao outlet port of wind wheel, air-flow is uneven and the eddy current crack caused.
It is many that present range hood is studied in snail tongue noise reduction, and the research of wind wheel aspect is fewer, and range hood wind wheel blade on the market all uses steel plate punched shaping now, and this wind wheel design technology is simple, and fabricating cost is low, but shortcoming to be noise ratio larger.
In addition because traditional range hood wind wheel adopts the steel plate punched of uniform thickness to form, as shown in Figure 8, this wind wheel Ye Daonei swirl rate is more, and eddy current can not only produce noise, and cigarette engine efficiency can be caused lower.
Tradition range hood wind wheel has above problems, is necessary to redesign.
[summary of the invention]
Technical problem to be solved by this invention is, for above-mentioned deficiency of the prior art, to provide a kind of wind wheel used for range hood, and this wind wheel used for range hood can reduce eddy current crack, can improve the flow of cigarette machine simultaneously, reduces the resistance of wind wheel, raises the efficiency.
For achieving the above object, present invention employs following technical proposals:
A kind of wind wheel used for range hood, comprises supporting frame and is located at the multiple blades on support frame as described above, and described blade comprises die cavity and is located at the core that described die cavity cavity is interior, have silencing function, and described die cavity is provided with multiple bloop.
Blade described above is sheet galleyproof type along the length direction of blade, and described blade is arc-shaped along the cross section of the width direction of blade.
The cross section of die cavity described above comprises air intake and outlet air end, and described air intake is brachycephalic, and described outlet air end is tip-type.
Die cavity integral thickness described above is uneven, and described air intake thickness is slightly large, and described outlet air end reduces gradually along tip direction thickness.
Ratio between die cavity thickness described above to the distance A and the total length L of described die cavity of described air intake termination is: 0.35 ~ 0.45.
The internal diameter of bloop described above is 1 ~ 5mm.
Die cavity described above is made up of rigid material, and described core is made up of flexible material.
Supporting frame described above comprises epipleural, latus inframedium and lower side panel.
The invention has the beneficial effects as follows:
1, adopt airflow design to reduce vane nose among the present invention, and leaf road is middle and the eddy current of blade tail end, can reduce eddy current crack, can improve the flow of cigarette machine simultaneously, reduce the resistance of wind wheel, raise the efficiency.
2, the cavity appearance of the Leaf of the present invention has several apertures, and aperture can absorb the extraneous a part of noise produced, and a part of noise enters core by aperture in addition.
3, among the present invention, core adopts flexible sound absorbing material to form, and can absorb the noise that aperture and cavity wall import into further.
4, among the present invention, die cavity is generally formed with the higher material of strength ratio, and can not destroy to meet wind wheel when high speed operation, core adopts flexible material can absorb die cavity vibration operationally further, reduces noise further.
5, among the present invention, wind wheel blade can absorb with the mechanical vibration noise in the external world and aerodynamic noise, and the eddy current reduced between leaf road also can improve the efficiency of cigarette machine.
6, the Leaf of the present invention is sheet galleyproof type along the length direction of blade, described blade is arc-shaped along the cross section of the width direction of blade, this arc-shaped curve both can with bionic as fish, the axle of birds surveys profile, also can use space shuttle aerofoil profile, and fish resistance of swimming as whale swims is minimum, this is the reason due to long-term evolution, its profile is streamlined, and such resistance is minimum, so aircraft wing is also designed to streamlined.
7, among the present invention, wind wheel blade cross section comprises air intake and outlet air end, described air intake is brachycephalic, described outlet air end is tip-type, from air intake along wind wheel blade width direction, the thickness of blade first increases gradually, when reaching certain thickness, the thickness of wind wheel blade diminishes gradually, ratio between described die cavity thickness to the distance A and the total length L of described die cavity of described air intake termination is: 0.35 ~ 0.45, and the wind wheel blade of this moulding is convenient to air flowing and greatly reduces the noise produced in working procedure.
[accompanying drawing explanation]
Fig. 1 is three-dimensional view of the present invention.
Fig. 2 is explosive view of the present invention.
Fig. 3 is the three-dimensional view of wind wheel blade of the present invention.
Fig. 4 is the partial elevation view of wind wheel blade of the present invention.
Fig. 5 is the A-A sectional view among Fig. 4.
Fig. 6 is wind wheel blade thickness of the present invention, length ratio schematic diagram.
Fig. 7 is the schematic diagram that air of the present invention flows through wind wheel blade.
Fig. 8 is the schematic diagram that prior art air flows through wind wheel blade.
[embodiment]
Below in conjunction with accompanying drawing, further detailed description is done to the present invention.
As shown in Figures 1 to 8, a kind of wind wheel used for range hood, the multiple blades 2 comprising supporting frame 1 and be located on support frame as described above 1, described blade 2 comprises die cavity 21 and is located in described die cavity 21 cavity, there is the core 22 of silencing function, described die cavity 21 is provided with multiple bloop 211, airflow design is adopted to reduce vane nose among the present invention, and leaf road is middle and the eddy current of blade tail end, eddy current crack can be reduced, the flow of cigarette machine can be improved simultaneously, reduce the resistance of wind wheel, raise the efficiency, the die cavity appearance of blade has several bloops, bloop can absorb the extraneous a part of noise produced, a part of noise enters core by bloop in addition.
As shown in Fig. 5, Fig. 6, Fig. 7, in the present embodiment, described blade 2 is sheet galleyproof type along the length direction of blade, described blade 2 is arc-shaped along the cross section of the width direction of blade, this arc-shaped curve both can with bionic as fish, the axle of birds surveys profile, also space shuttle aerofoil profile can be used, fish as whale swim swimming resistance be minimum, this is the reason due to long-term evolution, its profile is streamlined, and such resistance is minimum, so aircraft wing is also designed to streamlined.
As shown in Fig. 5, Fig. 6, Fig. 7, in the present embodiment, the cross section of described die cavity 21 comprises air intake 212 and outlet air end 213, described air intake 212 is brachycephalic, and described outlet air end 213 is tip-type, adopts airflow design can reduce in the middle of vane nose and leaf road and the eddy current of blade tail end, eddy current crack can be reduced, the flow of cigarette machine can be improved simultaneously, reduce the resistance of wind wheel, raise the efficiency.
As shown in Fig. 5, Fig. 6, Fig. 7, in the present embodiment, described die cavity 21 integral thickness is uneven, described air intake 212 thickness is slightly large, described outlet air end 213 reduces gradually along tip direction thickness, this streamline curve both can with bionic as fish, the axle of birds surveys appearance curve, also space shuttle Curve of wing can be used, fish as whale swim swimming resistance be minimum, this is due to long-term evolution, and its profile is streamlined, such resistance is minimum, so aircraft wing is also designed to streamlined.
As shown in Figure 6, ratio between described die cavity 21 thickness to the distance A and the total length L of described die cavity 21 of described air intake 212 termination is: 0.35 ~ 0.45, this streamline curve both can with bionic as fish, the axle of birds surveys appearance curve, also can use space shuttle Curve of wing, and fish resistance of swimming as whale swims is minimum, this is the reason due to long-term evolution, its profile is streamlined, and such resistance is minimum, so aircraft wing is also designed to streamlined.
As shown in Figure 3, Figure 4, in the present embodiment, the internal diameter of described bloop 211 is 1 ~ 5mm, can absorb with the mechanical vibration noise in the external world and aerodynamic noise.
As shown in Fig. 3, Fig. 4, Fig. 5, in the present embodiment, described die cavity 21 is made up of rigid material, described core 22 is made up of flexible material, among the present invention, die cavity is generally formed with the material that strength ratio is higher, can not destroy to meet wind wheel when high speed operation, core adopts flexible material can absorb die cavity vibration operationally further, reduces noise further.
As shown in Figure 1 and Figure 2, in the present embodiment, support frame as described above 1 comprises epipleural 11, latus inframedium 12 and lower side panel 13, is convenient to the installation of blade, is convenient to the overall smooth running of wind wheel.
Claims (8)
1. a wind wheel used for range hood, it is characterized in that: comprise supporting frame (1) and be located at the multiple blades (2) on support frame as described above (1), described blade (2) comprises die cavity (21) and is located at the core (22) that described die cavity (21) cavity is interior, have silencing function, and described die cavity (21) is provided with multiple bloop (211).
2. wind wheel used for range hood according to claim 1, is characterized in that: described blade (2) is sheet galleyproof type along the length direction of blade, and described blade (2) is arc-shaped along the cross section of the width direction of blade.
3. wind wheel used for range hood according to claim 1 and 2, it is characterized in that: the cross section of described die cavity (21) comprises air intake (212) and outlet air end (213), described air intake (212) is brachycephalic, and described outlet air end (213) is tip-type.
4. wind wheel used for range hood according to claim 3, it is characterized in that: described die cavity (21) integral thickness is uneven, described air intake (212) thickness is slightly large, and described outlet air end (213) reduces gradually along tip direction thickness.
5. wind wheel used for range hood according to claim 4, is characterized in that: the ratio between described die cavity (21) thickness to the distance A and the total length L of described die cavity (21) of described air intake (212) termination is: 0.35 ~ 0.45.
6. wind wheel used for range hood according to claim 1 or 5, is characterized in that: the internal diameter of described bloop (211) is 1 ~ 5mm.
7. wind wheel used for range hood according to claim 6, is characterized in that: described die cavity (21) is made up of rigid material, and described core (22) is made up of flexible material.
8. wind wheel used for range hood according to claim 1, is characterized in that: support frame as described above (1) comprises epipleural (11), latus inframedium (12) and lower side panel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510143743.9A CN104728158A (en) | 2015-03-30 | 2015-03-30 | Wind wheel for range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510143743.9A CN104728158A (en) | 2015-03-30 | 2015-03-30 | Wind wheel for range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104728158A true CN104728158A (en) | 2015-06-24 |
Family
ID=53452417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510143743.9A Pending CN104728158A (en) | 2015-03-30 | 2015-03-30 | Wind wheel for range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104728158A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568109A (en) * | 2016-11-11 | 2017-04-19 | 宁波方太厨具有限公司 | Noise reducing impeller and range hood applying impeller |
| CN106762843A (en) * | 2017-02-27 | 2017-05-31 | 江苏杰尔科技股份有限公司 | A kind of vane diffuser with silencer |
| CN108180521A (en) * | 2018-01-29 | 2018-06-19 | 美的集团股份有限公司 | Fume extractor |
| CN108374803A (en) * | 2018-02-24 | 2018-08-07 | 西安交通大学 | A kind of antecurvature formula multi-wing centrifugal fan blade of imitative Scad sections fish and preparation method thereof |
| CN108386383A (en) * | 2018-02-24 | 2018-08-10 | 西安交通大学 | A kind of intersection bionic blade and preparation method thereof of combination Scad section's fish bodies and pinion |
| WO2020125087A1 (en) * | 2018-12-18 | 2020-06-25 | 南京磁谷科技有限公司 | Inlet air sound attenuation structure for magnetic levitation blower |
| CN111828383A (en) * | 2020-08-06 | 2020-10-27 | 苏州顶裕节能设备有限公司 | Impeller with dolphin-like streamline blades |
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|---|---|---|---|---|
| CN2159467Y (en) * | 1992-07-24 | 1994-03-23 | 魏厚瑶 | High effective, energy saving and low noise blower |
| CN101052784A (en) * | 2005-05-28 | 2007-10-10 | 西门子公司 | Air inlet for turbine supercharger of internal-combustion engine |
| US20100074758A1 (en) * | 2008-09-25 | 2010-03-25 | Rawdon Blaine K | Laminar flow rotor and related methods and systems |
| CN102900694A (en) * | 2011-07-26 | 2013-01-30 | 珠海格力电器股份有限公司 | Air-conditioner and centrifugal fan thereof |
| CN202852930U (en) * | 2012-10-16 | 2013-04-03 | 中山华帝燃具股份有限公司 | Wind wheel of range hood |
| CN202883470U (en) * | 2012-09-24 | 2013-04-17 | 浙江苏泊尔家电制造有限公司 | Fan structure of noise-reduction type extractor hood |
| CN204572554U (en) * | 2015-03-30 | 2015-08-19 | 华帝股份有限公司 | Wind wheel for range hood |
-
2015
- 2015-03-30 CN CN201510143743.9A patent/CN104728158A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159467Y (en) * | 1992-07-24 | 1994-03-23 | 魏厚瑶 | High effective, energy saving and low noise blower |
| CN101052784A (en) * | 2005-05-28 | 2007-10-10 | 西门子公司 | Air inlet for turbine supercharger of internal-combustion engine |
| US20100074758A1 (en) * | 2008-09-25 | 2010-03-25 | Rawdon Blaine K | Laminar flow rotor and related methods and systems |
| CN102900694A (en) * | 2011-07-26 | 2013-01-30 | 珠海格力电器股份有限公司 | Air-conditioner and centrifugal fan thereof |
| CN202883470U (en) * | 2012-09-24 | 2013-04-17 | 浙江苏泊尔家电制造有限公司 | Fan structure of noise-reduction type extractor hood |
| CN202852930U (en) * | 2012-10-16 | 2013-04-03 | 中山华帝燃具股份有限公司 | Wind wheel of range hood |
| CN204572554U (en) * | 2015-03-30 | 2015-08-19 | 华帝股份有限公司 | Wind wheel for range hood |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568109A (en) * | 2016-11-11 | 2017-04-19 | 宁波方太厨具有限公司 | Noise reducing impeller and range hood applying impeller |
| CN106568109B (en) * | 2016-11-11 | 2019-07-26 | 宁波方太厨具有限公司 | A kind of application has the range hood of noise reduction impeller |
| CN106762843A (en) * | 2017-02-27 | 2017-05-31 | 江苏杰尔科技股份有限公司 | A kind of vane diffuser with silencer |
| CN108180521A (en) * | 2018-01-29 | 2018-06-19 | 美的集团股份有限公司 | Fume extractor |
| CN108374803A (en) * | 2018-02-24 | 2018-08-07 | 西安交通大学 | A kind of antecurvature formula multi-wing centrifugal fan blade of imitative Scad sections fish and preparation method thereof |
| CN108386383A (en) * | 2018-02-24 | 2018-08-10 | 西安交通大学 | A kind of intersection bionic blade and preparation method thereof of combination Scad section's fish bodies and pinion |
| WO2020125087A1 (en) * | 2018-12-18 | 2020-06-25 | 南京磁谷科技有限公司 | Inlet air sound attenuation structure for magnetic levitation blower |
| CN111828383A (en) * | 2020-08-06 | 2020-10-27 | 苏州顶裕节能设备有限公司 | Impeller with dolphin-like streamline blades |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150624 |
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| RJ01 | Rejection of invention patent application after publication |