CN106439961A - Side suction type extractor hood noise reduction device - Google Patents
Side suction type extractor hood noise reduction device Download PDFInfo
- Publication number
- CN106439961A CN106439961A CN201610790408.2A CN201610790408A CN106439961A CN 106439961 A CN106439961 A CN 106439961A CN 201610790408 A CN201610790408 A CN 201610790408A CN 106439961 A CN106439961 A CN 106439961A
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- China
- Prior art keywords
- noise reduction
- circle
- ring
- noise
- air
- 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.)
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Classifications
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- 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 the field of kitchen utensils, and aims at providing a side suction type extractor hood noise reduction device. The side suction type extractor hood noise reduction device comprises an exhaust fume collecting hood provided with an air inlet opening, and further comprises an air stopping ring arranged at an inlet of the air inlet opening and connected with the exhaust fume collecting hood and a noise reduction air guide plate assembly; and the noise reduction air guide plate assembly comprises an air guide ring, a noise absorption and noise reduction ring and a transparent air guide plate, wherein the air guide ring is provided with noise reduction hole sets, the back end of the air guide ring is detachably connected with the air stopping ring, and the transparent air guide plate presses the noise absorption and noise reduction ring and is connected with the air guide ring. The side suction type extractor hood noise reduction device is good in noise reduction effect.
Description
Technical field
The present invention relates to kitchen utensils field, especially a kind of side extraction cooking fume extractor denoising device.
Background technology
Side extraction cooking fume extractor aspirates oil smoke from behind and above can improve operating environment, and reduces the requirement for height to kitchen；
A kind of smoke exhaust ventilator denoising device of the disclosure of the invention of Chinese Patent Application No. CN CN201310647938.8, including smoke exhaust pipe,
Sponge and reclaimed rubber, described denoising device is made up of the sponge arranged successively and reclaimed rubber, is wrapped in outside smoke exhaust pipe, device
Absorption frequency is relatively big, the medium and low frequency noise basic absorption that can produce smoke pipe vibration, is substantially reduced smoke exhaust ventilator noise.This oil pumping
There is the poor deficiency of noise reduction for side extraction cooking fume extractor in cigarette machine denoising device, therefore, a kind of noise reduction of design is relatively
Good side extraction cooking fume extractor denoising device, becomes problem demanding prompt solution.
Content of the invention
The invention aims to overcome current smoke exhaust ventilator denoising device to there is fall for side extraction cooking fume extractor
The poor deficiency of effect of making an uproar, provides a kind of noise reduction preferable side extraction cooking fume extractor denoising device.
The concrete technical scheme of the present invention is：
A kind of side extraction cooking fume extractor denoising device, including：It is provided with the exhaust fume collecting hood of air inlet；Described side extraction cooking fume extractor fall
Device of making an uproar also includes：It is located at air inlet import and the choke circle being connected with exhaust fume collecting hood, noise reduction air deflection assemblies；Noise reduction wind deflector group
Part includes：It is provided with noise reduction aperture group and air-ducting ring that rear end removably connects with choke circle, absorbing sound and lowering noise circle, push down absorbing sound and lowering noise
Circle and the transparent wind deflector being connected with air-ducting ring.This side extraction cooking fume extractor denoising device noise reduction is preferable；It is located at air inlet
Choke circle and noise reduction air deflection assemblies coordinate with choke circle air inlet formed negative pressure, beneficially air intake happy property, subtract
Few turbulent flow reduces noise；Replace the constant spout of the gross area with a lot of little spouts, when air-flow is through small holes, jet noise
Frequency spectrum will shift to high frequency or hyperfrequency, makes the audible sound composition i.e. noise in frequency spectrum substantially reduce；Noise reduction aperture drops with sound-absorbing
Circle of making an uproar combines, and noise reduction is more preferable.
As preferably, described air-ducting ring is provided with to be blocked the inner shield ring of gusset in absorbing sound and lowering noise circle and blocks absorbing sound and lowering noise circle
The outer back-up ring of outer gusset；The wind-guiding noise reduction aperture that noise reduction aperture group is coaxially disposed by some circles is constituted；The two of wind-guiding noise reduction aperture
Hold through with air-ducting ring rear end and holding ring groove bottom respectively.Inner shield ring and outer back-up ring improve air-ducting ring rigidity to be prevented vibration and makes
Absorbing sound and lowering noise circle is easy for installation firm；The two ends of wind-guiding noise reduction aperture respectively with air-ducting ring rear end and the through energy of holding ring groove bottom
Improve noise reduction.
As preferably, described choke circle is provided with the annular endoporus that shape of cross section is rectangle and is filled in annular endoporus
Absorbing sound and lowering noise ring；Choke circle is provided with some circles and lays respectively at choke circle front end and interior gusset and the choke connecting with annular endoporus
Noise reduction aperture.Reduce noise in air inlet to be conducive to absorbing vibrating noise and wind noise.
As preferably, the material of described absorbing sound and lowering noise circle is acoustical cotton；The material of absorbing sound and lowering noise ring is acoustical cotton.Cost
Low and absorbing sound and lowering noise effect is good.
It as preferably, between described choke circle rear end and exhaust fume collecting hood, is provided with absorbing sound and lowering noise pad；The material of absorbing sound and lowering noise pad
For acoustical cotton.Absorbing sound and lowering noise pad can reduce vibration and the noise of choke circle and exhaust fume collecting hood.
As preferably, described air-ducting ring rear end is provided with and is positioned at the magnetic block of bottom and at least one extension superposed
Ring；Choke circle upper front end is provided with the number hook identical with link number；Hook and link one_to_one corresponding and hook link；Magnetic
Suction block holds choke circle front end.
Described air-ducting ring rear end is provided with several magnetic blocks and is positioned at least one link of upper rear end；Before choke circle
End top is provided with number hook that is identical with link number and that mate with link；Hook and link 16 one_to_one corresponding and hook extension
Ring；Magnetic block holds choke circle front end.Hooking link, magnetic block holds choke circle front end, make noise reduction air deflection assemblies with
Air-ducting ring stable connection and be convenient to mount and dismount quick, and do not produce vibration and noise.
Compared with prior art, the invention has the beneficial effects as follows：This side extraction cooking fume extractor denoising device noise reduction is relatively
Good；Be located at the choke circle of air inlet and noise reduction air deflection assemblies coordinate with choke circle and forms negative pressure in air inlet, be conducive to into
The happy property of wind, minimizing turbulent flow reduce noise；Replace the constant spout of the gross area with a lot of little spouts, when air-flow is through small holes
When, the frequency spectrum of jet noise will shift to high frequency or hyperfrequency, make the audible sound composition i.e. noise in frequency spectrum substantially reduce；Noise reduction
Aperture is combined with absorbing sound and lowering noise circle, and noise reduction is more preferable.Inner shield ring and outer back-up ring improve air-ducting ring rigidity to be prevented vibration and makes suction
Sound noise reduction circle is easy for installation firm；The two ends of wind-guiding noise reduction aperture are through with air-ducting ring rear end and holding ring groove bottom respectively can be carried
High noise reduction.Choke circle is provided with annular endoporus and the absorbing sound and lowering noise ring being filled in annular endoporus, and choke circle is provided with some circles
Laying respectively at choke circle front end and interior gusset and the choke noise reduction aperture connecting with annular endoporus, reducing noise in air inlet has
It is beneficial to absorb vibrating noise and wind noise.Absorbing sound and lowering noise pad can reduce vibration and the noise of choke circle and exhaust fume collecting hood.Hook hooks
Link, magnetic block holds choke circle front end, makes noise reduction air deflection assemblies and air-ducting ring stable connection and is convenient to mount and dismount quick, and not
Produce vibration and noise.The material of absorbing sound and lowering noise circle, absorbing sound and lowering noise ring and absorbing sound and lowering noise pad is acoustical cotton, low cost and sound-absorbing
Excellent noise reduction effect.
Brief description
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is the detonation configuration schematic diagram of noise reduction air deflection assemblies；
Fig. 3 is the enlarged drawing in Fig. 1 at A；
Fig. 4 is the outline drawing of the present invention.
In figure：Air inlet the 1st, exhaust fume collecting hood the 2nd, choke circle the 3rd, noise reduction air deflection assemblies the 4th, noise reduction aperture group the 5th, air-ducting ring the 6th, sound-absorbing
The 10th, annular endoporus the 11st, absorbing sound and lowering noise ring the 12nd, the choke noise reduction of noise reduction circle the 7th, transparent wind deflector the 8th, inner shield ring the 9th, wind-guiding noise reduction aperture is little
The 17th, the 13rd, absorbing sound and lowering noise pad the 14th, magnetic block the 15th, link the 16th, outer back-up ring in hole links up with 18.
Detailed description of the invention
It is shown below in conjunction with the accompanying drawings that the present invention is described further.
As shown in accompanying drawing the 1st, accompanying drawing the 2nd, accompanying drawing the 3rd, accompanying drawing 4：A kind of side extraction cooking fume extractor denoising device, including：Be provided with into
The exhaust fume collecting hood 2 in air port 1, is located at air inlet 1 import and the choke circle 3 being connected with exhaust fume collecting hood 2 screw, noise reduction air deflection assemblies 4；Fall
Air deflection assemblies of making an uproar 4 includes：It is provided with the air-ducting ring 6 that noise reduction aperture group 5 and rear end removably connect, absorbing sound and lowering noise with choke circle 3
Circle 7, pushes down absorbing sound and lowering noise circle 7 and the transparent wind deflector 8 being connected with air-ducting ring 6 screw.
Described air-ducting ring 6 is provided with to be blocked the inner shield ring 9 of gusset in absorbing sound and lowering noise circle 7 and blocks outside absorbing sound and lowering noise circle 7
The outer back-up ring 17 enclosing；The wind-guiding noise reduction aperture 10 that noise reduction aperture group 5 is coaxially disposed by six circles is constituted；The two of wind-guiding noise reduction aperture 10
Hold through with air-ducting ring 6 rear end and holding ring groove bottom respectively.
Described choke circle 3 is provided with the annular endoporus 11 that shape of cross section is rectangle and the suction being filled in annular endoporus 11
Sound noise reduction ring 12；Choke circle 3 is provided with four circles and lays respectively at choke circle 3 front end and interior gusset and the choke connecting with annular endoporus 11
Noise reduction aperture 13；One circle choke noise reduction aperture 13 is positioned at choke circle 3 front end；Three circle choke noise reduction apertures 13 are positioned at choke circle 3
Gusset and edge are in tandem.
It is provided with absorbing sound and lowering noise pad 14 between described choke circle 3 rear end and exhaust fume collecting hood 2.
In the present embodiment, described air-ducting ring 6 rear end is provided with and is positioned at the magnetic block 15 of bottom and superposed two extensions
Ring 16；Choke circle 3 upper front end is provided with the number hook 18 identical with link 16 number；Hook 18 with link 16 one_to_one corresponding and
Hook link 16；Magnetic block 15 holds choke circle 3 front end.
The material of described absorbing sound and lowering noise circle 7 is acoustical cotton；The material of absorbing sound and lowering noise ring 12 is acoustical cotton；Absorbing sound and lowering noise pad
The material of 14 is acoustical cotton；The material of transparent wind deflector 8 is glass；Magnetic block 15 is magnet steel.
The invention has the beneficial effects as follows：This side extraction cooking fume extractor denoising device noise reduction is preferable；It is located at air inlet
Choke circle and noise reduction air deflection assemblies coordinate with choke circle and form negative pressure, the beneficially happy property of air intake, minimizing in air inlet
Turbulent flow reduces noise；Replace the constant spout of the gross area with a lot of little spouts, when air-flow is through small holes, the frequency of jet noise
Compose and can shift to high frequency or hyperfrequency, make the audible sound composition i.e. noise in frequency spectrum substantially reduce；Noise reduction aperture and absorbing sound and lowering noise
Circle combines, and noise reduction is more preferable.Inner shield ring and outer back-up ring improve air-ducting ring rigidity to be prevented vibration and makes absorbing sound and lowering noise circle installation side
Just consolidate；The two ends of wind-guiding noise reduction aperture are through with air-ducting ring rear end and holding ring groove bottom respectively can improve noise reduction.Resistance
Solar or lunar halo is provided with annular endoporus and the absorbing sound and lowering noise ring being filled in annular endoporus, and choke circle is provided with some circles and lays respectively at choke circle
Front end and interior gusset and the choke noise reduction aperture connecting with annular endoporus, reduces noise in air inlet and is conducive to absorption vibration to make an uproar
Sound and wind noise.Absorbing sound and lowering noise pad can reduce vibration and the noise of choke circle and exhaust fume collecting hood.Hook 18 hooks link, and magnetic block is inhaled
Live choke circle front end, make noise reduction air deflection assemblies and air-ducting ring stable connection and be convenient to mount and dismount quick, and do not produce vibration and make an uproar
Sound.The material of absorbing sound and lowering noise circle, absorbing sound and lowering noise ring and absorbing sound and lowering noise pad is acoustical cotton, and low cost and absorbing sound and lowering noise effect are good.
It is apparent to one skilled in the art that the present invention can change into various ways, and such change is not considered as
Depart from the scope of the present invention.All such technical staff to described field obviously change, and are included within this right
Within the scope of requirement.
Claims (6)
1. a side extraction cooking fume extractor denoising device, including：It is provided with the exhaust fume collecting hood of air inlet；It is characterized in that：Described side is inhaled
Formula range hood denoising device also includes：It is located at air inlet import and the choke circle being connected with exhaust fume collecting hood, noise reduction air deflection assemblies；
Noise reduction air deflection assemblies includes：It is provided with noise reduction aperture group and air-ducting ring that rear end removably connects with choke circle, absorbing sound and lowering noise circle,
Push down absorbing sound and lowering noise circle and the transparent wind deflector being connected with air-ducting ring.
2. side extraction cooking fume extractor denoising device according to claim 1, is characterized in that：Described air-ducting ring is provided with to be blocked
The inner shield ring of gusset and the outer back-up ring blocking the outer gusset of absorbing sound and lowering noise circle in absorbing sound and lowering noise circle；Noise reduction aperture group is coaxial by some circles
The wind-guiding noise reduction aperture arranging is constituted；The two ends of wind-guiding noise reduction aperture are through with air-ducting ring rear end and holding ring groove bottom respectively.
3. side extraction cooking fume extractor denoising device according to claim 1, is characterized in that：Described choke circle is provided with transversal
Face is shaped as the annular endoporus of rectangle and the absorbing sound and lowering noise ring being filled in annular endoporus；Choke circle is provided with some circles and lays respectively at
Choke circle front end and interior gusset and the choke noise reduction aperture connecting with annular endoporus.
4. side extraction cooking fume extractor denoising device according to claim 3, is characterized in that：Described；Absorbing sound and lowering noise circle
Material is acoustical cotton；The material of absorbing sound and lowering noise ring is acoustical cotton.
5. the side extraction cooking fume extractor denoising device according to claim 1 or 2 or 3 or 4, is characterized in that：Described choke
It is provided with absorbing sound and lowering noise pad between circle rear end and exhaust fume collecting hood；The material of absorbing sound and lowering noise pad is acoustical cotton.
6. the side extraction cooking fume extractor denoising device according to claim 1 or 2 or 3 or 4, is characterized in that：Described wind-guiding
Circle rear end is provided with and is positioned at the magnetic block of bottom and at least one link superposed；Choke circle upper front end is provided with number and extension
The identical hook of ring number；Hook and link one_to_one corresponding and hook link；Magnetic block holds choke circle front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610790408.2A CN106439961B (en) | 2016-08-31 | 2016-08-31 | Side extraction cooking fume extractor denoising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610790408.2A CN106439961B (en) | 2016-08-31 | 2016-08-31 | Side extraction cooking fume extractor denoising device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106439961A true CN106439961A (en) | 2017-02-22 |
| CN106439961B CN106439961B (en) | 2018-06-12 |
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ID=58163918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610790408.2A Active CN106439961B (en) | 2016-08-31 | 2016-08-31 | Side extraction cooking fume extractor denoising device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106439961B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801903A (en) * | 2017-03-22 | 2017-06-06 | 广东美的厨房电器制造有限公司 | side-suction type range hood |
| CN108240652A (en) * | 2017-10-31 | 2018-07-03 | 宁波方太厨具有限公司 | A kind of frequency conversion noise reduction outlet housing of range hood |
| CN108488103A (en) * | 2018-06-26 | 2018-09-04 | 杭州老板电器股份有限公司 | Denoising device, wind turbine and kitchen ventilator |
| CN109595639A (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 |
| CN112393299A (en) * | 2020-11-27 | 2021-02-23 | 宜兴市泰宇汽车零部件有限公司 | Frame-type range hood sound absorbing device based on plastic and sound absorbing cotton combined material |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040194776A1 (en) * | 2003-04-03 | 2004-10-07 | Silentium Ltd. | Method for reducing noise of a cooking hood and a cooking hood based on such method |
| ES2216706B1 (en) * | 2003-04-07 | 2006-01-16 | Cata Electrodomesticos, S.L. | MUFFLER FOR SMOKE EXTRACTOR HOODS. |
| FR2911520A1 (en) * | 2007-01-19 | 2008-07-25 | Roblin Sas Soc Par Actions Sim | HOOD ASPIRING FOR KITCHEN |
| TWM355351U (en) * | 2008-10-22 | 2009-04-21 | ming-xuan Liu | Noise-eliminating and odor-eliminating case for oil smoke exhauster |
| CN201269569Y (en) * | 2008-06-13 | 2009-07-08 | 马利华 | Silencer |
| CN102767541A (en) * | 2012-07-04 | 2012-11-07 | 宁波方太厨具有限公司 | Noise reducing flow concentration ring and range hood employing same |
| 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 |
| CN204176710U (en) * | 2014-08-22 | 2015-02-25 | 广东海信家电有限公司 | A kind of top-sucking kitchen ventilator with smoke deflector |
| WO2016067540A1 (en) * | 2014-10-28 | 2016-05-06 | パナソニックＩｐマネジメント株式会社 | Signal processing device, program, range hood device, and selection method for frequency bins in signal processing device |
| DE102015100564A1 (en) * | 2015-01-15 | 2016-07-21 | Miele & Cie. Kg | Hood |
| CN206073185U (en) * | 2016-08-31 | 2017-04-05 | 杭州老板电器股份有限公司 | Side-suction type range hood denoising device |
-
2016
- 2016-08-31 CN CN201610790408.2A patent/CN106439961B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040194776A1 (en) * | 2003-04-03 | 2004-10-07 | Silentium Ltd. | Method for reducing noise of a cooking hood and a cooking hood based on such method |
| ES2216706B1 (en) * | 2003-04-07 | 2006-01-16 | Cata Electrodomesticos, S.L. | MUFFLER FOR SMOKE EXTRACTOR HOODS. |
| FR2911520A1 (en) * | 2007-01-19 | 2008-07-25 | Roblin Sas Soc Par Actions Sim | HOOD ASPIRING FOR KITCHEN |
| CN201269569Y (en) * | 2008-06-13 | 2009-07-08 | 马利华 | Silencer |
| TWM355351U (en) * | 2008-10-22 | 2009-04-21 | ming-xuan Liu | Noise-eliminating and odor-eliminating case for oil smoke exhauster |
| CN102767541A (en) * | 2012-07-04 | 2012-11-07 | 宁波方太厨具有限公司 | Noise reducing flow concentration ring and range hood employing same |
| 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 |
| CN204176710U (en) * | 2014-08-22 | 2015-02-25 | 广东海信家电有限公司 | A kind of top-sucking kitchen ventilator with smoke deflector |
| WO2016067540A1 (en) * | 2014-10-28 | 2016-05-06 | パナソニックＩｐマネジメント株式会社 | Signal processing device, program, range hood device, and selection method for frequency bins in signal processing device |
| DE102015100564A1 (en) * | 2015-01-15 | 2016-07-21 | Miele & Cie. Kg | Hood |
| CN206073185U (en) * | 2016-08-31 | 2017-04-05 | 杭州老板电器股份有限公司 | Side-suction type range hood denoising device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801903A (en) * | 2017-03-22 | 2017-06-06 | 广东美的厨房电器制造有限公司 | side-suction type range hood |
| CN109595639A (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 |
| CN109595639B (en) * | 2017-09-30 | 2024-01-16 | 宁波方太厨具有限公司 | Near-suction type range hood |
| CN108240652A (en) * | 2017-10-31 | 2018-07-03 | 宁波方太厨具有限公司 | A kind of frequency conversion noise reduction outlet housing of range hood |
| CN108240652B (en) * | 2017-10-31 | 2024-01-16 | 宁波方太厨具有限公司 | Variable-frequency noise-reduction air outlet cover of range hood |
| CN108488103A (en) * | 2018-06-26 | 2018-09-04 | 杭州老板电器股份有限公司 | Denoising device, wind turbine and kitchen ventilator |
| CN112393299A (en) * | 2020-11-27 | 2021-02-23 | 宜兴市泰宇汽车零部件有限公司 | Frame-type range hood sound absorbing device based on plastic and sound absorbing cotton combined material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106439961B (en) | 2018-06-12 |
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