CN108731072A - A kind of kitchen ventilator with the cellular noise filtering device of multilayer - Google Patents
A kind of kitchen ventilator with the cellular noise filtering device of multilayer Download PDFInfo
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- CN108731072A CN108731072A CN201810772837.6A CN201810772837A CN108731072A CN 108731072 A CN108731072 A CN 108731072A CN 201810772837 A CN201810772837 A CN 201810772837A CN 108731072 A CN108731072 A CN 108731072A
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- 230000001413 cellular effect Effects 0.000 title claims abstract description 82
- 238000001914 filtration Methods 0.000 title claims abstract description 82
- 239000000779 smoke Substances 0.000 claims abstract description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- 230000001788 irregular Effects 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000002103 nanocoating Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 241000219146 Gossypium Species 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 244000299507 Gossypium hirsutum Species 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 240000001085 Trapa natans Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 235000009165 saligot Nutrition 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
- F24C15/2035—Arrangement or mounting of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
A kind of kitchen ventilator with the cellular noise filtering device of multilayer is provided with smoke machine main body and can eliminate the cellular noise filtering device of noise, and cellular noise filtering device is assemblied in smoke machine body interior.Multiple through-holes for eliminating noise are distributed in cellular noise filtering device.Cellular noise filtering device is provided with multilayer honeycomb boards, and multilayer honeycomb boards are assemblied in smoke machine body interior respectively.By adjusting the edge of the apertures of different through-holes, through-hole, either cellular noise filtering device reaches specific unifrequency noise or specific multi-frequency noise noise reduction to the kitchen ventilator with the cellular noise filtering device of multilayer with the combination at a distance from smoke machine main body with the edge minimum range of adjacent through-holes.The kitchen ventilator has the advantages that low cost, reliability are high, and can effectively reduce specific unifrequency noise and broadband noise, and noise reduction wide frequency range can reduce the noise of multiple frequencies.
Description
Technical field
The present invention relates to kitchen ventilator field, more particularly to a kind of kitchen ventilator with the cellular noise filtering device of multilayer.
Background technology
It is chronically in the environment of high noisy, the hearing of people is often damaged, and can also be made in the environment of having noise for a long time
At user emotion problem.As people's quality of the life improves, people are also lower and lower to the tolerance of noise.Therefore kitchen ventilator
Noise reduction is also increasingly paid attention to.
Kitchen ventilator noise reduction in the prior art is mostly the reduction that noise is realized by active noise reduction and passive noise reduction mode.
Active noise reduction mode can only act on noise of the frequency within 1000Hz, can only be by passive for the noise more than 1000Hz
Noise reduction technology processing.And the specific noise frequency of reduction can be arranged in the passive denoising device of the prior art, for not
Same kitchen ventilator, the frequency for the maximum noise that may mainly generate is not and identical, the kitchen ventilator of the prior art, is directed to main
Frequency into noise reduction.Again since the noisy frequency range that kitchen ventilator generates can be 100Hz~8000Hz, it is clear that single-frequency
The passive denoising device of section can not be directed to kitchen ventilator and generate good noise reduction.
Therefore, in view of the shortcomings of the prior art, a kind of kitchen ventilator with the cellular noise filtering device of multilayer of offer is to solve
Prior art deficiency is very necessary.
Invention content
A kind of cellular noise filtering of band multilayer is provided it is an object of the invention to avoid the deficiencies in the prior art place
The kitchen ventilator of device.The kitchen ventilator with the cellular noise filtering device of multilayer can reduce specific unifrequency noise or specific
Multi-frequency noise noise reduction.
The above-mentioned purpose of the present invention is realized by following technical measures：
A kind of kitchen ventilator with the cellular noise filtering device of multilayer is provided, smoke machine main body is provided with and noise can be eliminated
Cellular noise filtering device, cellular noise filtering device is assemblied in smoke machine body interior.
Multiple through-holes for eliminating noise are distributed in cellular noise filtering device.
Cellular noise filtering device is provided with multilayer honeycomb boards, and multilayer honeycomb boards are assemblied in smoke machine body interior respectively.
Preferably, the through-hole of above-mentioned every layer of honeycomb boards is completely or partially mutually aligned with the through-hole of adjacent honeycomb boards.
Preferably, the through-hole of the through-hole of above-mentioned every layer of honeycomb boards and adjacent honeycomb boards is in completely or partially to mutually stagger to set
It sets.
The present invention is by adjusting the edge minimum range in the aperture of different through-holes, the edge of through-hole and adjacent through-holes or bee
Combination of the nido noise filtering device at a distance from smoke machine main body reaches specific unifrequency noise or specific multi-frequency noise drop
It makes an uproar.
Preferably, the aperture of above-mentioned through-hole is defined as d, and d≤30mm.
Preferably, the minimum range between the edge of above-mentioned through-hole and the edge of adjacent through-holes is b, and b is arbitrary more than 0
Value.
Preferably, the value of above-mentioned d is multiple.
Preferably, the value of above-mentioned b is multiple.
Preferably, the shape of above-mentioned through-hole is circle, ellipse, triangle, square, rectangle, pentagon, six sides
At least one of shape, diamond shape or irregular shape.
Preferably, there are gaps between above-mentioned honeycomb boards and the immediate wall surface of smoke machine main body, by the distance definition in gap
For H1。
Preferably, above-mentioned smoke machine main body is provided with sound-absorbing part, the gap that sound-absorbing part is assemblied in.
Preferably, the thickness of above-mentioned sound-absorbing part is defined as H2, and H2≤0.6H1。
Preferably, above-mentioned sound-absorbing part is fiber, PP cottons, polyester fiber, Carbon fibe or porous foam；Or
The sound-absorbing part is porous plate.
Preferably, above-mentioned honeycomb boards are ceramic honeycomb plate or carbon honeycomb plate.
Preferably, the surface of above-mentioned honeycomb boards is provided with the nano coating of oleophobic.
Preferably, it is 100Hz~8000Hz that above-mentioned cellular noise filtering device, which eliminates noisy frequency range,.
A kind of kitchen ventilator with the cellular noise filtering device of multilayer of the present invention is provided with smoke machine main body and can eliminate
The cellular noise filtering device of noise, cellular noise filtering device are assemblied in smoke machine body interior.Cellular noise filtering
Multiple through-holes for eliminating noise are distributed in device.Cellular noise filtering device is provided with multilayer honeycomb boards, multilayer honeycomb
Plate is assemblied in smoke machine body interior respectively.The kitchen ventilator with the cellular noise filtering device of multilayer is by adjusting different through-holes
Aperture, the edge of through-hole are at a distance from the edge minimum range of adjacent through-holes or cellular noise filtering device and smoke machine main body
Combination reach specific unifrequency noise or specific multi-frequency noise noise reduction.The kitchen ventilator has low cost, reliability high
Advantage, and specific unifrequency noise and broadband noise can be effectively reduced, noise reduction wide frequency range can reduce multiple frequencies
Noise.
Description of the drawings
Using attached drawing, the present invention is further illustrated, but the content in attached drawing does not constitute any limit to the present invention
System.
Fig. 1 is the cellular noise filtering device perspective structure schematic diagram of embodiment 1.
Fig. 2 is the schematic partial cross-sectional view of Fig. 1.
Fig. 3 is the edge minimum range schematic diagram at the aperture of through-hole and the edge of through-hole and adjacent through-holes in Fig. 1.
Fig. 4 is the cellular noise filtering device perspective structure schematic diagram of embodiment 2.
Fig. 5 is the schematic partial cross-sectional view of Fig. 4.
Fig. 6 is the cellular noise filtering schematic device of embodiment 3.
Fig. 7 is the cellular noise filtering schematic device of embodiment 4.
Fig. 8 is a kind of kitchen ventilator with the cellular noise filtering device of multilayer of embodiment 5.
In Fig. 1 to Fig. 8, include：
Honeycomb boards 1, through-hole 11,
Smoke machine main body 2, sound-absorbing part 21.
Specific implementation mode
Technical scheme of the present invention is described further with the following Examples.
Embodiment 1.
A kind of kitchen ventilator with the cellular noise filtering device of multilayer is provided with smoke machine main body 2 and energy as shown in Figures 1 to 3
The cellular noise filtering device of noise is enough eliminated, cellular noise filtering device is assemblied in inside smoke machine main body 2.
Multiple through-holes 11 for eliminating noise are distributed in cellular noise filtering device.Cellular noise filtering device is set
Multilayer honeycomb boards 1 are equipped with, multilayer honeycomb boards 1 are assemblied in respectively inside smoke machine main body 2.The honeycomb boards 1 of specific the present embodiment are set
It is set to two layers, two layers of honeycomb boards 1 is assemblied in smoke machine main body 2.
It should be noted that 1 number of plies of honeycomb boards of the invention can be two layers, or be more than 2 arbitrary positive integer, tool
Body embodiment is depending on actual conditions.
The through-hole 11 of every layer of honeycomb boards 1 of the present embodiment and the through-hole 11 of adjacent honeycomb boards 1 are all mutually aligned.Through excessive
Secondary experimental data proves that the effect that the through-hole 11 of every layer of honeycomb boards 1 and the through-hole 11 of adjacent honeycomb boards 1 are all mutually aligned is preferable.
It should be noted that the through-hole 11 of every layer of honeycomb boards 1 of the invention and the through-hole 11 of adjacent honeycomb boards 1 are all mutually right
Neat is preferred, or the through-hole 11 of every layer of honeycomb boards 1 and 11 part of through-hole of adjacent honeycomb boards 1 are mutually aligned, and also may be used
The through-hole 11 of the through-hole 11 for thinking every layer of honeycomb boards 1 and adjacent honeycomb boards 1 is all or part of in setting is mutually staggered, and is embodied
Mode is depending on actual conditions.
The shape of through-hole 11 of the present invention is circle, ellipse, triangle, square, rectangle, pentagon, hexagon, water chestnut
At least one of shape or irregular shape.The present embodiment through-hole 11 is preferably shaped to hexagon.
It should be noted that the shape of through-hole 11 may be ellipse, triangle, square, rectangle, pentagon, six sides
Shape, diamond shape or irregular shape, or the combination of the shape of above-mentioned a variety of through-holes 11, specific embodiment is with reality
Depending on situation.
The present invention by adjusting the aperture of different through-holes 11, the edge and adjacent through-holes 11 of through-hole 11 edge minimum range
Either combination of the cellular noise filtering device at a distance from smoke machine main body 2 reaches specific unifrequency noise or specific multi-frequency
Noise noise reduction.
The aperture of the through-hole 11 of the present invention is defined as d, and d≤30mm；Wherein the value of d is 1.The through-hole 11 of the present invention
The edge minimum range of edge and adjacent through-holes 11 is b, and b is the arbitrary value more than 0, and wherein the value of b is 1.The present embodiment
Kitchen ventilator is the kitchen ventilator for eliminating unifrequency noise.
In aperture, d is constant, the smaller elimination of value at the edge of through-hole 11 and the edge minimum range b of adjacent through-holes 11
Target noise frequency it is bigger.Constant, the aperture at the edge of through-hole 11 and the edge minimum range b of adjacent through-holes 11
The smaller target noise frequency to be eliminated of the value of d is with regard to smaller.It, can be with it should be noted that when the value of value and d for b is unique
To specific unifrequency noise noise reduction.But specific single-frequency can be combined into according to matching for the two value when b and d is multiple and different value
Rate noise or specific multi-frequency noise noise reduction.The number of the value of b and the value of d, size are depending on actual conditions.
The denoising device principle of the present invention is such：In limited closed space, cellular make an uproar is traveled in noise source
When sound filter device, noise reduction is carried out.Sound wave is usually propagated with negative direction touching cellular noise filtering device, so big portion
The incidence wave divided can be interfered with back wave.In specific distance, about a quarter of noise source wavelength away from degree at, particle
Speed reach highest.
Cellular noise filtering device carries out noise reduction using the principle of resonance, when the edge of aperture d and through-hole 11 and phase
After the edge minimum range b of adjacent through-hole 11 is determined, in space specific unifrequency be already provided with the cellular of target frequency
Noise filtering device forms covibration.
The through-hole 11 of the present invention forms independent space in cellular noise filtering device, it is ensured that cellular noise
Filter device keeps the resonant frequency of itself in sound wave under incidence angles degree, is conducive to the noise reduction of specific frequency noise
Stability.
When resonance occurs, the sound wave of oscillation can intensely pierce into out through-hole 11 back and forth in air, and the acoustic energy of noise exists
It is converted to friction loss during this, achievees the effect that eliminate target frequency noise.
The present invention a kind of kitchen ventilator with the cellular noise filtering device of multilayer by adjusting different through-holes 11 aperture,
The edge of through-hole 11 is at a distance from the edge minimum range of adjacent through-holes 11 or cellular noise filtering device and smoke machine main body 2
Combination reach specific unifrequency noise or specific multi-frequency noise noise reduction.The kitchen ventilator has low cost, reliability high
Advantage, and can effectively reduce specific unifrequency noise and broadband noise.
Embodiment 2.
A kind of kitchen ventilator with the cellular noise filtering device of multilayer, as shown in Fig. 4 to 5, other features and 1 phase of embodiment
Together, the difference is that, the through-hole 11 of every layer of honeycomb boards 111 of the present embodiment is with the through-hole 11 of adjacent honeycomb boards 1 all in phase
Mutual stagger setting.
Compared with Example 1, the surface area bigger of the cellular noise filtering device of the present embodiment, can ensure bigger model
Exclosure reduces noise.
Embodiment 3.
A kind of kitchen ventilator with the cellular noise filtering device of multilayer, as shown in fig. 6, other features are same as Example 1,
The difference is that the value of the through-hole 11d and b of the present embodiment are 2.The kitchen ventilator of the present embodiment is to eliminate multi-frequency noise
Kitchen ventilator
Compared with Example 1, the value of the d and b of this implementation are two, the combination of the two can Cheng Erwei eliminate multi-frequency and make an uproar
Sound.11 inner space of through-hole of the present embodiment is used to adjust the noise for eliminating different frequency, improves the frequency range of noise.
Embodiment 4.
A kind of kitchen ventilator with the cellular noise filtering device of multilayer, as shown in fig. 7, other features are same as Example 3,
The difference is that the shape of the through-hole 11 of the present embodiment is hexagon and circular combination.
The circular through hole 11 of the present embodiment made in technique it is upper relatively easy, and because of the interference of not no corner angle, with embodiment 1
It is optimal compared to noise reduction.The present embodiment compared with Example 1, increases the diversity of 11 shape of through-hole setting.
Embodiment 5.
A kind of kitchen ventilator with the cellular noise filtering device of multilayer, as shown in figure 8, other features are same as Example 1,
The difference is that there are gap between 2 immediate wall surface of cellular noise filtering device and smoke machine main body, by gap away from
From being defined as H1。
The denoising device principle of the present invention：Cellular noise filtering device can be in limited closed space, in noise
When source travels to cellular noise filtering device, noise reduction is carried out.Sound wave is usually touching cellular noise filtering device with anti-
Direction is propagated, so most incidence wave can be interfered with back wave.The four of the fixed distance of characteristic about noise source wavelength
/ mono- away from i.e. H at degree1, the speed of particle reaches highest, because the present invention passes through cellular noise filtering device and smoke machine master
The distance of the internal face of body 2 noise source wavelength a quarter away from degree at, the noise of the wavelength can be effectively eliminated.
Smoke machine main body 2 is provided with sound-absorbing part 21, and sound-absorbing part assembles smoke machine main body 2.The thickness of sound-absorbing part 21 is defined as H2, and
H2≤0.6H1.The gap that sound-absorbing part 21 is assemblied in.
The density and material of sound-absorbing part 21 also have important influence, sound wave can directly through the sound-absorbing part of extremely-low density,
The frictional wear of acoustic energy can not be increased；Under high density, noise sound wave then can be reflected away directly, can not be entered cellular
The through-hole 11 of noise filtering device.Therefore the present invention sound-absorbing part 21 be preferably fiber, PP cottons, polyester fiber, Carbon fibe or
Porous foam.Or sound-absorbing part 21 is porous plate.
The determinant of the resonant frequency of the cellular noise filtering device of the present invention：The aperture of through-hole 11, through-hole 11
Edge and the edge minimum range of adjacent through-holes 11 or cellular noise filtering device at a distance from smoke machine main body 2 and through-hole 11
It whether is independent space inside cellular noise filtering device, just can determine that the resonance frequency of cellular noise filtering device
Rate achievees the purpose that reduce specific frequency.
The present embodiment increases sound-absorbing part 21 compared with embodiment 1, and the setting of sound-absorbing part 21 can increase the consume of friction, reinforce drop
It makes an uproar effect.
Embodiment 6.
A kind of kitchen ventilator with the cellular noise filtering device of multilayer, other features are same as Example 1, and difference exists
In the honeycomb boards 1 of the present embodiment are ceramic honeycomb plate 1.The surface of honeycomb boards 1 is provided with the nano coating of oleophobic.
It should be noted that honeycomb boards 1 of the invention are preferably ceramic honeycomb plate 1 or carbon honeycomb plate 1, it is specific real
Mode is applied depending on actual conditions.
It is 100Hz~8000Hz that the cellular noise filtering device of the present invention, which eliminates noisy frequency range,.
The cellular noise filtering device of the present embodiment has the advantages that durable, oleophobic and elimination noisy frequency range are wide.
Embodiment 7.
A kind of design of the kitchen ventilator with the cellular noise filtering device of multilayer：
Target frequency：8000Hz.
The aperture d=10mm of through-hole 11, the edge of through-hole 11 and the edge minimum range b=23mm of adjacent through-holes 11, H1
=2.5mm, through-hole 11 are rectilinear through-hole 11.
It should be noted that the present embodiment only lists the design parameter for the single goal frequency that frequency is 8000Hz, not table
The generation present invention can only be directed to the noise of this frequency, only corresponding different parameter, and the present invention can eliminate specific unifrequent
Noise.
Embodiment 8.
A kind of design of the kitchen ventilator with the cellular noise filtering device of multilayer：
Target frequency：100Hz.
The aperture d=2mm of through-hole 11, the edge of through-hole 11 and the edge minimum range b=23mm of adjacent through-holes 11, H1=
50mm, through-hole 11 are rectilinear through-hole 11.
It should be noted that the present embodiment only lists the design parameter for the single goal frequency that frequency is 100Hz, not table generation
The present invention can only be directed to the noise of this frequency, only corresponding different parameter, and the present invention can eliminate specifically unifrequent make an uproar
Sound.
Embodiment 9.
A kind of design of the kitchen ventilator with the cellular noise filtering device of multilayer：
Target frequency 1：800Hz.
The aperture d=4mm of through-hole 11, the edge of through-hole 11 and the edge minimum range b=18mm of adjacent through-holes 11, H1=
20mm, through-hole 11 are rectilinear through-hole 11.
Target frequency 2：800Hz.
The aperture d=5mm of through-hole 11, the edge of through-hole 11 and the edge minimum range b=23mm of adjacent through-holes 11, H1=
20mm, through-hole 11 are rectilinear through-hole 11.
The present embodiment lists two different d and b combinations, can generate identical target frequency.
It should be noted that the present embodiment only lists the design parameter of 800Hz target frequencies, the present invention can also be directed to not
With unifrequent noise, target frequency is obtained by different parameter regulations, identical target frequency also can be by other parameter tune
Section combination obtains identical effect.
Embodiment 10.
A kind of design of the kitchen ventilator with the cellular noise filtering device of multilayer：
Target frequency 1：7000Hz.
The aperture d=10mm of through-hole 11, the edge of through-hole 11 and the edge minimum range b=23mm of adjacent through-holes 11, H1
=2.6mm, 11 bevel edge through-hole 11 of through-hole.
Target frequency 2：800Hz.
The aperture d=5mm of through-hole 11, the edge of through-hole 11 and the edge minimum range b=23mm of adjacent through-holes 11, H1=
20mm, 11 bevel edge through-hole 11 of through-hole.
Therefore the kitchen ventilator only can be effectively eliminated in the characteristic with the corresponding through-hole of above-mentioned two target frequency 11
The noise of corresponding frequency.
It should be noted that the present embodiment only lists the design parameter of two target frequencies, table can not only for the present invention
For the noise of two kinds of frequencies, only corresponding different parameter, the noise of the invention that can eliminate multi-frequency reach wideband frequency drop
It makes an uproar purpose.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than is protected to the present invention
The limitation of range, although being explained in detail to the present invention with reference to preferred embodiment, those skilled in the art should manage
Solution, can be modified or replaced equivalently technical solution of the present invention, without departing from the essence and model of technical solution of the present invention
It encloses.
Claims (10)
1. a kind of kitchen ventilator with the cellular noise filtering device of multilayer, it is characterised in that：It is provided with smoke machine main body and can disappear
Except the cellular noise filtering device of noise, cellular noise filtering device is assemblied in smoke machine body interior；
Multiple through-holes for eliminating noise are distributed in the cellular noise filtering device；
The cellular noise filtering device is provided with multilayer honeycomb boards, and multilayer honeycomb boards are assemblied in smoke machine body interior respectively.
2. the kitchen ventilator according to claim 1 with the cellular noise filtering device of multilayer, it is characterised in that：It is every layer described
The through-hole of honeycomb boards and the through-hole of adjacent honeycomb boards are completely or partially mutually aligned.
3. the kitchen ventilator according to claim 1 with the cellular noise filtering device of multilayer, it is characterised in that：It is every layer described
The through-hole of the through-hole of honeycomb boards and adjacent honeycomb boards is in completely or partially to mutually stagger setting.
4. the kitchen ventilator according to claim 2 or 3 with the cellular noise filtering device of multilayer, it is characterised in that：Pass through
Adjust the aperture of different through-holes, the edge of through-hole and adjacent through-holes edge minimum range or cellular noise filtering device with
The combination of the distance of smoke machine main body reaches specific unifrequency noise or specific multi-frequency noise noise reduction.
5. the kitchen ventilator of noise filtering function spiral case according to claim 4, it is characterised in that：The aperture of the through-hole is fixed
Justice is d, and d≤30mm.
6. the kitchen ventilator according to claim 5 with the cellular noise filtering device of multilayer, it is characterised in that：The through-hole
Edge and the edge of adjacent through-holes between minimum range be b, b is arbitrary value more than 0.
7. the kitchen ventilator according to claim 6 with the cellular noise filtering device of multilayer, it is characterised in that：The d's
Value is multiple；
The value of the b is multiple.
8. the kitchen ventilator according to claim 6 with the cellular noise filtering device of multilayer, it is characterised in that：The through-hole
Shape be in circle, ellipse, triangle, square, rectangle, pentagon, hexagon, diamond shape or irregular shape
It is at least one.
9. the kitchen ventilator according to claim 8 with the cellular noise filtering device of multilayer, it is characterised in that：The honeycomb
There are gaps between plate and the immediate wall surface of smoke machine main body, are H by the distance definition in gap1；
The smoke machine main body is provided with sound-absorbing part, the gap that sound-absorbing part is assemblied in；
The thickness of the sound-absorbing part is defined as H2, and H2≤0.6H1；
The sound-absorbing part is fiber, PP cottons, polyester fiber, Carbon fibe or porous foam；Or
The sound-absorbing part is porous plate.
10. the kitchen ventilator according to claim 9 with the cellular noise filtering device of multilayer, it is characterised in that：The bee
Nest plate is ceramic honeycomb plate or carbon honeycomb plate；
The surface of the honeycomb boards is provided with the nano coating of oleophobic；
It is 100Hz~8000Hz that the cellular noise filtering device, which eliminates noisy frequency range,.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750393A (en) * | 2019-03-29 | 2020-10-09 | 青岛海尔智能技术研发有限公司 | Fume exhauster |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4235303A (en) * | 1978-11-20 | 1980-11-25 | The Boeing Company | Combination bulk absorber-honeycomb acoustic panels |
| JP2007163685A (en) * | 2005-12-12 | 2007-06-28 | Nec Viewtechnology Ltd | Muffling device, and electronic equipment |
| KR20090055270A (en) * | 2007-11-28 | 2009-06-02 | 성균관대학교산학협력단 | Sound-proof panel used between for construction |
| KR100924958B1 (en) * | 2009-06-04 | 2009-11-06 | 한국방진방음 주식회사 | Duct Silencer for Air Conditioning Having Resonance Type Splitter |
| EP2754967A1 (en) * | 2013-01-11 | 2014-07-16 | Miele & Cie. KG | Extractor hood |
| CN106871204A (en) * | 2017-03-31 | 2017-06-20 | 广东美的厨房电器制造有限公司 | Range hood |
| CN107316632A (en) * | 2017-06-14 | 2017-11-03 | 中国农业大学 | A kind of sound absorber and sound absorption method |
| CN208794486U (en) * | 2018-07-14 | 2019-04-26 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator with the cellular noise filtering device of multilayer |
-
2018
- 2018-07-14 CN CN201810772837.6A patent/CN108731072A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4235303A (en) * | 1978-11-20 | 1980-11-25 | The Boeing Company | Combination bulk absorber-honeycomb acoustic panels |
| JP2007163685A (en) * | 2005-12-12 | 2007-06-28 | Nec Viewtechnology Ltd | Muffling device, and electronic equipment |
| KR20090055270A (en) * | 2007-11-28 | 2009-06-02 | 성균관대학교산학협력단 | Sound-proof panel used between for construction |
| KR100924958B1 (en) * | 2009-06-04 | 2009-11-06 | 한국방진방음 주식회사 | Duct Silencer for Air Conditioning Having Resonance Type Splitter |
| EP2754967A1 (en) * | 2013-01-11 | 2014-07-16 | Miele & Cie. KG | Extractor hood |
| CN106871204A (en) * | 2017-03-31 | 2017-06-20 | 广东美的厨房电器制造有限公司 | Range hood |
| CN107316632A (en) * | 2017-06-14 | 2017-11-03 | 中国农业大学 | A kind of sound absorber and sound absorption method |
| CN208794486U (en) * | 2018-07-14 | 2019-04-26 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator with the cellular noise filtering device of multilayer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750393A (en) * | 2019-03-29 | 2020-10-09 | 青岛海尔智能技术研发有限公司 | Fume exhauster |
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