CN106322474A - Flow-guiding, sound-absorbing and three-dimensional noise-reducing system of kitchen ventilator - Google Patents
Flow-guiding, sound-absorbing and three-dimensional noise-reducing system of kitchen ventilator Download PDFInfo
- Publication number
- CN106322474A CN106322474A CN201610738828.6A CN201610738828A CN106322474A CN 106322474 A CN106322474 A CN 106322474A CN 201610738828 A CN201610738828 A CN 201610738828A CN 106322474 A CN106322474 A CN 106322474A
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- water conservancy
- conservancy diversion
- sound
- absorbing
- 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.)
- Granted
Links
- 230000009467 reduction Effects 0.000 claims description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 239000006096 absorbing agent Substances 0.000 claims description 24
- 239000006233 lamp black Substances 0.000 claims description 23
- 239000011358 absorbing material Substances 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 241000886569 Cyprogenia stegaria Species 0.000 abstract 2
- 230000000644 propagated effect Effects 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Duct Arrangements (AREA)
Abstract
The invention discloses a flow-guiding, sound-absorbing and three-dimensional noise-reducing system of a kitchen ventilator, and aims to provide the flow-guiding, sound-absorbing and three-dimensional noise-reducing system of the kitchen ventilator, wherein the system not only can reduce noise, but also can improve the air suction effect of the kitchen ventilator. The flow-guiding, sound-absorbing and three-dimensional noise-reducing system of the kitchen ventilator comprises a main machine shell and an air flue system arranged in the main machine shell, wherein the air flue system comprises a fan shell and a fan air inlet formed in the fan shell; a main flow-guiding and noise-reducing body which extends up and down is arranged on the inner side of the main machine shell and opposite to the fan air inlet; the main flow-guiding and noise-reducing body is provided with left and right main flow-guiding inclined surfaces; and the distance between the left main flow-guiding inclined surface and the right main flow-guiding inclined surface is gradually reduced from the inner side, on which the main flow-guiding and noise-reducing body is, of the main machine shell to the air fan inlet.
Description
Technical field
The present invention relates to lampblack absorber field, be specifically related to the water conservancy diversion sound-absorbing solid noise reduction system of a kind of lampblack absorber.
Background technology
In prior art, when cigarette machine operation, turbine noise is not only propagated along chimneying, and can pass through casing
Outwards radiated noise, meanwhile, pneumatic noise and the electromagnetic noise of blower fan group are the most outwards propagated, and pollute surrounding.When environment is made an uproar
When tone mark alignment request is higher, only can not efficiently control noise with general soundproof measures, it is necessary to consider noise control side
Case.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that one can not only reduce noise, and
And the water conservancy diversion sound-absorbing solid noise reduction system of the lampblack absorber of lampblack absorber air draught effect can be improved.
The technical scheme is that
A kind of water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber, including host shell, the ducting system that is arranged in host shell,
Described ducting system includes blower housing, the air inlet being arranged on blower housing, relative with described air inlet
The medial surface of host shell is provided with the major flow noise reduction body extended up and down, and described major flow noise reduction body has left and right two
Spacing between major flow inclined-plane, and left and right two major flow inclined-planes is by the host shell medial surface at major flow noise reduction body place
It is gradually reduced toward air inlet direction.
In lampblack absorber work process, the least air flow swirl, these air flow swirl inside host shell, can be produced
Noise can be produced after colliding, and make air-flow carry out in-fighting in inside, affect the lifting of air quantity；Thus this programme is with described
The medial surface of the host shell that air inlet is relative is provided with the major flow noise reduction body extended up and down, by left and right two masters
The air-flow vortex within lampblack absorber main frame, the collision being prevented effectively between vortex are put out in water conservancy diversion inclined-plane, so can make an uproar in reduction
While sound, lead along internal air-flow, make air-flow more smooth and easy, thus add air quantity, improve lampblack absorber air draught effect.
As preferably, in major flow noise reduction body, it is provided with the first hollow lumen, if the lateral surface of major flow noise reduction body is provided with
The dry noise reduction hole being connected with the first hollow lumen, is provided with interior sound-absorbing material in described first hollow lumen.
When pneumatic noise and the electromagnetic noise of blower fan group are outwards propagated, during by major flow noise reduction body, through noise reduction hole, its
Middle a part of noise is absorbed by interior sound-absorbing material, reaches secondary and reduces function of noise.
As preferably, on the medial surface of host shell and be positioned at the lower section of ducting system and be provided with the auxiliary water conservancy diversion of horizontal expansion
Noise reduction body, described auxiliary water conservancy diversion noise reduction body has upper and lower two auxiliary water conservancy diversion inclined-planes, and upper and lower two auxiliary water conservancy diversion inclined-planes
Between spacing be gradually reduced from the host shell medial surface assisting water conservancy diversion noise reduction body place toward host shell center position.
What this programme cross section was triangular in shape assists water conservancy diversion noise reduction body can put open the fraction within lampblack absorber main frame
Vortex, reduces the collision between vortex, while reducing noise, leads along internal air-flow, makes air-flow more smooth and easy, improves oil
Cigarette machine air draught effect.
As preferably, it is provided with the second hollow lumen in auxiliary water conservancy diversion noise reduction body, the lateral surface of auxiliary water conservancy diversion noise reduction body sets
There are some noise reduction holes being connected with the second hollow lumen, in described second hollow lumen, are provided with sound-absorbing material in also.
When pneumatic noise and the electromagnetic noise of blower fan group are outwards propagated, during by auxiliary water conservancy diversion noise reduction body, through noise reduction hole,
A portion noise is assisted the interior sound-absorbing material in water conservancy diversion noise reduction body to absorb, and reaches secondary and reduces function of noise.
As preferably, the lateral surface of host shell is provided with main frame sound-absorbing material.Main frame sound-absorbing material to pneumatic noise and
Electromagnetic noise absorbs further, reaches three times and reduces function of noise.
As preferably, main frame sound-absorbing material is externally provided with host panel.
As preferably, major flow noise reduction body is connected with host shell by bolt.
As preferably, auxiliary water conservancy diversion noise reduction body is connected with host shell by bolt.
The invention has the beneficial effects as follows: noise can not only be reduced, and the lampblack absorber of lampblack absorber air draught effect can be improved
Water conservancy diversion sound-absorbing solid noise reduction system.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the water conservancy diversion sound-absorbing solid noise reduction system of the lampblack absorber of the present invention.
Fig. 2 is the cross-sectional view in Fig. 1 at A-A.
Fig. 3 is the cross-sectional view in Fig. 1 at B-B.
Fig. 4 is a kind of structural representation of the major flow noise reduction body of the lampblack absorber of the present invention.
Fig. 5 is the cross-sectional view in Fig. 4 at C-C.
In figure: host shell 1, host panel 2, main frame sound-absorbing material 3, major flow noise reduction body 4, major flow inclined-plane 41, interior
Sound-absorbing material 42, ducting system 5, blower housing 51, centrifugal impeller 52, air inlet 53, centrifugal blower 54, auxiliary water conservancy diversion fall
Make an uproar body 6, auxiliary water conservancy diversion inclined-plane 61.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
As it is shown in figure 1, the water conservancy diversion sound-absorbing solid noise reduction system of a kind of lampblack absorber includes host shell 1 and is arranged on host shell
Interior ducting system 5.Host shell is vertically arranged.The cross section of host shell is rectangular.Host shell is by all around four
Side surrounds.The lateral surface of host shell is provided with main frame sound-absorbing material 3, in the present embodiment, the outer leading flank of host shell, outer
It is equipped with main frame sound-absorbing material on left surface and external right side face.Main frame sound-absorbing material is externally provided with host panel 2.
Ducting system includes blower housing 51 and the air inlet 53 being arranged on blower housing.The blower fan of the present embodiment
Shell is centrifugal blower volute, is provided with centrifugal impeller 52 and centrifugal blower 54 in centrifugal blower volute.The rotating shaft of centrifugal blower with
Front and back sides is parallel.The air inlet of the present embodiment is arranged on the end face of volute of blower, and the both ends of the surface of volute of blower
It is equipped with air inlet.The air inlet of the present embodiment towards host shell by left surface or right flank.
As shown in Figure 1, Figure 3, the medial surface of relative with air inlet host shell is provided with extend up and down leading
Stream noise reduction body 4.It is equipped with on left and right two medial surface of host shell relative with air inlet in the present embodiment and extends up and down
Major flow noise reduction body.Major flow noise reduction body is connected with host shell by bolt.The cross section of major flow noise reduction body is three
Dihedral.Having left and right two major flow inclined-planes 41 on major flow noise reduction body, left and right two major flow inclined-planes constitute major flow fall
Make an uproar the left and right sides of body.In the spacing between left and right two the major flow inclined-planes host shell by major flow noise reduction body place
Side is gradually reduced toward air inlet direction.
As shown in Figure 2 and Figure 3, on the medial surface of host shell and be positioned at the lower section of ducting system and be provided with the auxiliary of horizontal expansion
The assistant director of a film or play flows noise reduction body 6.The auxiliary water conservancy diversion noise reduction body of the present embodiment is two, and two auxiliary water conservancy diversion noise reduction bodies are arranged on host shell
Before and after on two medial surface.Auxiliary water conservancy diversion noise reduction body extends along the rotating shaft of the impeller of centrifugal blower.Auxiliary water conservancy diversion noise reduction body passes through
Bolt is connected with host shell.The cross section of auxiliary water conservancy diversion noise reduction body is triangular in shape.Have upper and lower on auxiliary water conservancy diversion noise reduction body
Two auxiliary water conservancy diversion inclined-planes 61, upper and lower two auxiliary water conservancy diversion inclined-planes constitute the upper and lower two sides of auxiliary water conservancy diversion noise reduction body.Upper and lower
Spacing between two auxiliary water conservancy diversion inclined-planes is from the host shell medial surface assisting water conservancy diversion noise reduction body place toward host shell center
Direction is gradually reduced.
As shown in Figure 1, Figure 4, Figure 5, it is provided with the first hollow lumen in major flow noise reduction body.The lateral surface of major flow noise reduction body
It is provided with some noise reduction holes being connected with the first hollow lumen.Interior sound-absorbing material 42 it is provided with in first hollow lumen.
Being provided with the second hollow lumen in auxiliary water conservancy diversion noise reduction body, the lateral surface of auxiliary water conservancy diversion noise reduction body is provided with some with the
The noise reduction hole that two hollow lumen are connected, is provided with sound-absorbing material in also in described second hollow lumen.The main frame of the present embodiment is inhaled
Sound material and interior sound-absorbing material are silencing cotton or damping fiber etc..
Claims (8)
1. a water conservancy diversion sound-absorbing solid noise reduction system for lampblack absorber, including host shell, be arranged in host shell air channel system
System, described ducting system includes blower housing, the air inlet being arranged on blower housing, it is characterized in that, with described blower fan
The medial surface of the host shell that air inlet is relative is provided with the major flow noise reduction body extended up and down, and described major flow noise reduction body has
There is the spacing between left and right two major flow inclined-planes, and left and right two major flow inclined-planes by the main frame at major flow noise reduction body place
Case inside face is gradually reduced toward air inlet direction.
The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber the most according to claim 1, is characterized in that, described major flow noise reduction
Internal first hollow lumen that is provided with, the lateral surface of major flow noise reduction body is provided with some noise reductions being connected with the first hollow lumen
Hole, is provided with interior sound-absorbing material in described first hollow lumen.
The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber the most according to claim 1 and 2, is characterized in that, described main case
On the medial surface of body and be positioned at the lower section of ducting system and be provided with the auxiliary water conservancy diversion noise reduction body of horizontal expansion, described auxiliary water conservancy diversion noise reduction
There is the spacing between upper and lower two auxiliary water conservancy diversion inclined-planes, and upper and lower two auxiliary water conservancy diversion inclined-planes by assisting water conservancy diversion noise reduction on body
The host shell medial surface at body place is gradually reduced toward host shell center position.
The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber the most according to claim 1 and 2, is characterized in that, described auxiliary is led
Being provided with the second hollow lumen in stream noise reduction body, the lateral surface of auxiliary water conservancy diversion noise reduction body is provided with and some is connected with the second hollow lumen
Logical noise reduction hole, is provided with sound-absorbing material in also in described second hollow lumen.
The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber the most according to claim 1 and 2, is characterized in that, described main case
The lateral surface of body is provided with main frame sound-absorbing material.
The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber the most according to claim 5, is characterized in that, described main frame sound absorber
Material is externally provided with host panel.
The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber the most according to claim 1 and 2, is characterized in that, described major flow
Noise reduction body is connected with host shell by bolt.
The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber the most according to claim 3, is characterized in that, described auxiliary water conservancy diversion drops
Body of making an uproar is connected with host shell by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738828.6A CN106322474B (en) | 2016-08-28 | 2016-08-28 | A kind of water conservancy diversion sound-absorbing solid noise reduction system of kitchen ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738828.6A CN106322474B (en) | 2016-08-28 | 2016-08-28 | A kind of water conservancy diversion sound-absorbing solid noise reduction system of kitchen ventilator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106322474A true CN106322474A (en) | 2017-01-11 |
| CN106322474B CN106322474B (en) | 2019-04-19 |
Family
ID=57791548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610738828.6A Active CN106322474B (en) | 2016-08-28 | 2016-08-28 | A kind of water conservancy diversion sound-absorbing solid noise reduction system of kitchen ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106322474B (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595649A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595630A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of range hood |
| CN109595638A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595636A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595640A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595654A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595650A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595637A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595635A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595652A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN110145772A (en) * | 2018-02-12 | 2019-08-20 | 青岛海尔智慧厨房电器有限公司 | Smoke exhaust ventilator with noise reduction function |
| CN110685963A (en) * | 2019-09-23 | 2020-01-14 | 浙江工业大学 | Noise-reduction vibration-reduction type air duct system for integrated cooker |
| CN110822506A (en) * | 2018-08-10 | 2020-02-21 | 佛山市顺德区美的洗涤电器制造有限公司 | Volute for range hood, fan and range hood |
| CN111006273A (en) * | 2020-01-03 | 2020-04-14 | 宁波方太厨具有限公司 | Flow guide device, range hood applying flow guide device and control method |
| CN112555942A (en) * | 2020-12-02 | 2021-03-26 | 青岛海尔智慧厨房电器有限公司 | Noise reduction structure of range hood and range hood |
| CN112815371A (en) * | 2021-03-02 | 2021-05-18 | 广东澄一科技有限公司 | Smoke machine |
| EP4043796A4 (en) * | 2019-11-11 | 2022-11-09 | Foshan Shunde Midea Washing Appliances Manufacturing Co., Ltd. | Range hood |
| CN115727364A (en) * | 2021-08-30 | 2023-03-03 | 佛山市顺德区美的洗涤电器制造有限公司 | Range hood noise reduction structure and range hood |
| CN116045323A (en) * | 2021-10-28 | 2023-05-02 | 佛山市顺德区美的洗涤电器制造有限公司 | Rectifiers and range hoods for range hoods |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2210270Y (en) * | 1994-09-27 | 1995-10-18 | 西安交通大学 | A centrifugal fan guide sound absorption device |
| US5720274A (en) * | 1994-12-05 | 1998-02-24 | Gaggenau-Werke Haus-Und Lufttechnik Gmbh | Low-noise vapor exhaust hood |
| CN2480759Y (en) * | 2001-04-17 | 2002-03-06 | 财团法人工业技术研究院 | Fan filter unit with wedge-shaped sound-absorbing structure |
| CN2695702Y (en) * | 2004-03-12 | 2005-04-27 | 江苏省交通科学研究院有限公司 | Silencer for axial fan |
| KR100599860B1 (en) * | 2003-02-17 | 2006-07-12 | 주식회사 에어로네트 | Combined multistage axial blower with hood |
| CN200993431Y (en) * | 2006-12-22 | 2007-12-19 | 博西华电器（江苏）有限公司 | Kitchen hood |
| CN102109192A (en) * | 2009-12-28 | 2011-06-29 | 樱花卫厨（中国）股份有限公司 | Range hood with noise reduction structure |
| CN103562562A (en) * | 2011-06-09 | 2014-02-05 | 松下电器产业株式会社 | Blower with silencer |
| CN103697512A (en) * | 2013-11-30 | 2014-04-02 | 宁波方太厨具有限公司 | Silent range hood |
| CN104180412A (en) * | 2014-08-09 | 2014-12-03 | 华帝股份有限公司 | Smoke absorbing and noise reducing device of range hood |
| CN105485743A (en) * | 2016-01-15 | 2016-04-13 | 宁波方太厨具有限公司 | Extractor hood with noise lowering mechanism |
| CN105716135A (en) * | 2016-04-14 | 2016-06-29 | 广东美的厨房电器制造有限公司 | Extractor hood |
-
2016
- 2016-08-28 CN CN201610738828.6A patent/CN106322474B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2210270Y (en) * | 1994-09-27 | 1995-10-18 | 西安交通大学 | A centrifugal fan guide sound absorption device |
| US5720274A (en) * | 1994-12-05 | 1998-02-24 | Gaggenau-Werke Haus-Und Lufttechnik Gmbh | Low-noise vapor exhaust hood |
| CN2480759Y (en) * | 2001-04-17 | 2002-03-06 | 财团法人工业技术研究院 | Fan filter unit with wedge-shaped sound-absorbing structure |
| KR100599860B1 (en) * | 2003-02-17 | 2006-07-12 | 주식회사 에어로네트 | Combined multistage axial blower with hood |
| CN2695702Y (en) * | 2004-03-12 | 2005-04-27 | 江苏省交通科学研究院有限公司 | Silencer for axial fan |
| CN200993431Y (en) * | 2006-12-22 | 2007-12-19 | 博西华电器（江苏）有限公司 | Kitchen hood |
| CN102109192A (en) * | 2009-12-28 | 2011-06-29 | 樱花卫厨（中国）股份有限公司 | Range hood with noise reduction structure |
| CN103562562A (en) * | 2011-06-09 | 2014-02-05 | 松下电器产业株式会社 | Blower with silencer |
| CN103697512A (en) * | 2013-11-30 | 2014-04-02 | 宁波方太厨具有限公司 | Silent range hood |
| CN104180412A (en) * | 2014-08-09 | 2014-12-03 | 华帝股份有限公司 | Smoke absorbing and noise reducing device of range hood |
| CN105485743A (en) * | 2016-01-15 | 2016-04-13 | 宁波方太厨具有限公司 | Extractor hood with noise lowering mechanism |
| CN105716135A (en) * | 2016-04-14 | 2016-06-29 | 广东美的厨房电器制造有限公司 | Extractor hood |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595637B (en) * | 2017-09-30 | 2024-01-16 | 宁波方太厨具有限公司 | Near-suction type range hood |
| CN109595635A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595638A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595636A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595640A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595654A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595650A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595637A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595630B (en) * | 2017-09-30 | 2024-02-20 | 宁波方太厨具有限公司 | Fume exhauster |
| CN109595652A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595650B (en) * | 2017-09-30 | 2024-01-16 | 宁波方太厨具有限公司 | Near-suction type range hood |
| CN109595649A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595635B (en) * | 2017-09-30 | 2023-11-24 | 宁波方太厨具有限公司 | Near-suction type range hood |
| CN109595638B (en) * | 2017-09-30 | 2024-01-16 | 宁波方太厨具有限公司 | Near-suction type range hood |
| CN109595630A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of range hood |
| CN109595636B (en) * | 2017-09-30 | 2024-01-16 | 宁波方太厨具有限公司 | Near-suction type range hood |
| CN109595652B (en) * | 2017-09-30 | 2024-01-16 | 宁波方太厨具有限公司 | Near-suction type range hood |
| CN109595640B (en) * | 2017-09-30 | 2024-01-16 | 宁波方太厨具有限公司 | Near-suction type range hood |
| CN109595654B (en) * | 2017-09-30 | 2024-01-16 | 宁波方太厨具有限公司 | Near-suction type range hood |
| CN109595649B (en) * | 2017-09-30 | 2024-01-16 | 宁波方太厨具有限公司 | Near-suction type range hood |
| CN110145772A (en) * | 2018-02-12 | 2019-08-20 | 青岛海尔智慧厨房电器有限公司 | Smoke exhaust ventilator with noise reduction function |
| CN110822506A (en) * | 2018-08-10 | 2020-02-21 | 佛山市顺德区美的洗涤电器制造有限公司 | Volute for range hood, fan and range hood |
| CN110685963A (en) * | 2019-09-23 | 2020-01-14 | 浙江工业大学 | Noise-reduction vibration-reduction type air duct system for integrated cooker |
| EP4043796A4 (en) * | 2019-11-11 | 2022-11-09 | Foshan Shunde Midea Washing Appliances Manufacturing Co., Ltd. | Range hood |
| US11867406B2 (en) | 2019-11-11 | 2024-01-09 | Foshan Shunde Midea Washing Appliances Manufacturing Co., Ltd. | Range hood |
| CN111006273A (en) * | 2020-01-03 | 2020-04-14 | 宁波方太厨具有限公司 | Flow guide device, range hood applying flow guide device and control method |
| CN111006273B (en) * | 2020-01-03 | 2021-12-03 | 宁波方太厨具有限公司 | Flow guide device, range hood applying flow guide device and control method |
| CN112555942A (en) * | 2020-12-02 | 2021-03-26 | 青岛海尔智慧厨房电器有限公司 | Noise reduction structure of range hood and range hood |
| CN112815371A (en) * | 2021-03-02 | 2021-05-18 | 广东澄一科技有限公司 | Smoke machine |
| CN115727364A (en) * | 2021-08-30 | 2023-03-03 | 佛山市顺德区美的洗涤电器制造有限公司 | Range hood noise reduction structure and range hood |
| CN116045323A (en) * | 2021-10-28 | 2023-05-02 | 佛山市顺德区美的洗涤电器制造有限公司 | Rectifiers and range hoods for range hoods |
| CN116045323B (en) * | 2021-10-28 | 2025-11-21 | 佛山市顺德区美的洗涤电器制造有限公司 | Rectifying device for range hood and range hood |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106322474B (en) | 2019-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106322474B (en) | A kind of water conservancy diversion sound-absorbing solid noise reduction system of kitchen ventilator | |
| CN206073182U (en) | The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber | |
| CN210662985U9 (en) | A kind of range hood | |
| CN102042628B (en) | Range hood with flow-stabilizing and noise-reducing structure | |
| CN205446190U (en) | Centrifugal fan spiral case, fan subassembly and air conditioner | |
| CN201925993U (en) | Range hood with current-stabilization noise-reduction structure | |
| CN201277205Y (en) | Denoising centrifugal ventilation machine | |
| CN111022381B (en) | Flow guide noise reduction device and range hood applying same | |
| CN206207518U (en) | A kind of noise reduction impeller and application have the range hood of the impeller | |
| CN103423201B (en) | Centrifugal fan volute and manufacturing method thereof | |
| CN106482187A (en) | A kind of noise reduction impeller and application have the range hood of this impeller | |
| CN104566636B (en) | Air duct machine and air conditioner with same | |
| CN105020757A (en) | Extractor hood fan structure capable of forming man-made tornado | |
| CN105276650B (en) | A kind of lampblack absorber with auxiliary air inlet function | |
| CN104515281A (en) | Double-suction type ventilation device and air conditioner | |
| CN104990118B (en) | Check-valves and lampblack absorber | |
| CN106032811A (en) | Denoising centrifugation ventilator | |
| CN211009279U (en) | Induction ring, fan and device with fan | |
| CN201196171Y (en) | Fan hood | |
| CN208565069U (en) | A kind of low noise mixed flow fan case | |
| CN218325470U (en) | A fan deflector with noise reduction structure | |
| CN203608004U (en) | Motor with noise reduction device | |
| CN205639022U (en) | A fan wall of making an uproar falls for having shell centrifugal fan | |
| CN205349808U (en) | Silent fan | |
| CN205747270U (en) | A kind of vertical air conditioner fan of noise reduction modified form |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |