CN108731080A - A kind of kitchen ventilator of the three-dimensional noise filtering device of band - Google Patents
A kind of kitchen ventilator of the three-dimensional noise filtering device of band Download PDFInfo
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- CN108731080A CN108731080A CN201810776888.6A CN201810776888A CN108731080A CN 108731080 A CN108731080 A CN 108731080A CN 201810776888 A CN201810776888 A CN 201810776888A CN 108731080 A CN108731080 A CN 108731080A
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- 238000001914 filtration Methods 0.000 title claims abstract description 95
- 239000000779 smoke Substances 0.000 claims abstract description 48
- 230000009467 reduction Effects 0.000 claims abstract description 25
- 238000009826 distribution Methods 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 5
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 3
- 241000219146 Gossypium Species 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 239000004519 grease Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000001788 irregular Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
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- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing 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
- 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)
- Ventilation (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
A kind of kitchen ventilator of the three-dimensional noise filtering device of band is provided with smoke machine main body and can reduce the noise filtering device of specific unifrequency noise or multi-frequency noise, and noise filtering device is assemblied in smoke machine main body.There are gaps between the noise filtering device and the immediate wall surface of smoke machine main body.The noise filtering device is set as that multiple panels for eliminating the through-hole of specific unifrequency noise or multi-frequency noise are distributed with.A kind of kitchen ventilator of the three-dimensional noise filtering device of band of the present invention can adjust the aperture of different through-holes, edge and the edge minimum range of adjacent through-holes, the through-hole of panel of through-hole are distributed either noise filtering device and the specific unifrequency noise of combination or multi-frequency noise noise reduction at a distance from smoke machine main body.The noise filtering device can keep long-term good noise reduction, the noise filtering device to have the advantages that be easy to arrange, and dust, the grease on surface etc. can be by removing cleaning.The noise filtering device has the advantages that low cost, reliability are high.
Description
Technical field
The present invention relates to kitchen ventilator field, more particularly to the kitchen ventilator of a kind of three-dimensional noise filtering device of band.
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.
Existing kitchen ventilator noise reduction in the prior art, is mostly the drop that noise is realized by active noise reduction and passive noise reduction mode
It is low.Active noise reduction mode can only act on noise of the frequency within 1000Hz, and the noise more than 1000Hz can only be passed through
Passive noise reduction technology processing.And the specific noise frequency of reduction can be arranged in the passive denoising device of the prior art, it is right
In different kitchen ventilators, the frequency for the maximum noise that may mainly generate is not and identical, and the kitchen ventilator of the prior art is not 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
The passive denoising device of frequency band can not be directed to kitchen ventilator and generate good noise reduction.
Therefore in view of the shortcomings of the prior art, providing a kind of kitchen ventilator of the three-dimensional noise filtering device of band to solve existing skill
Art deficiency is very necessary.
Invention content
A kind of three-dimensional noise filtering device of band is provided it is an object of the invention to avoid the deficiencies in the prior art place
Kitchen ventilator.The kitchen ventilator with three-dimensional noise filtering device have can reduce specific unifrequency noise or multi-frequency noise
The advantages of.
The above-mentioned purpose of the present invention is realized by following technical measures：
A kind of kitchen ventilator of the three-dimensional noise filtering device of band is provided, smoke machine main body is provided with and specific unifrequency can be reduced
The noise filtering device of noise or multi-frequency noise, noise filtering device are assemblied in smoke machine main body.
There are gaps between the noise filtering device and the immediate wall surface of smoke machine main body.
The noise filtering device is set as being distributed with multiple for eliminating specific unifrequency noise or multi-frequency noise
Through-hole panel.
Preferably, above-mentioned gap is full open type space.
Another preferred, above-mentioned smoke machine main body also sets up protrusion, protrusion integrally connected and wall surface.
Preferably, above-mentioned gap is disconnected by the protrusion of smoke machine main body and constitutes semi-open-type space.
Preferably, above-mentioned noise filtering device is additionally provided with sound-absorbing part, and sound-absorbing part assembles smoke machine main body.
It is H by the distance definition of noise filtering device and the immediate wall surface of smoke machine main body1, the thickness of sound-absorbing part is defined as
H2, and H2≤0.6H1。
Preferably, above-mentioned sound-absorbing part is fixed on panel and is located towards a side of smoke machine main body；Or
The sound-absorbing part is fixed on the surface of panel and the nearest wall surface of smoke machine main body；Or
The sound-absorbing part is fixed between panel and the nearest wall surface gap of smoke machine main body.
Preferably, the aperture of above-mentioned through-hole is defined as d, and d≤30mm.
Preferably, above-mentioned d is single numerical value or multiple numerical value.
Preferably, the edge minimum range of the edge of above-mentioned through-hole and adjacent through-holes is b, and b is the arbitrary value more than 0.
Preferably, above-mentioned b is single numerical value or multiple numerical value.
The present invention adjust the edge minimum range in the aperture of different through-holes, the edge of through-hole and adjacent through-holes, panel it is logical
The pore size distribution either specific unifrequency noise of combination of the noise filtering device at a distance from smoke machine main body or multi-frequency noise noise reduction.
Preferably, the thickness of above-mentioned panel is less than 20mm.
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, 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 panel is metal decking, plastic front board or alloy panel.
Preferably, above-mentioned panel is fixedly connected with reinforced structure.
Preferably, above-mentioned reinforced structure is convex closure, recessed packet or reinforcing rib.
Preferably, it is 100Hz~8000Hz that above-mentioned noise filtering device, which eliminates noisy frequency range,.
Preferably, above-mentioned panel is provided with multiple regions, and multiple through-holes are by area distribution in corresponding positions of panels.
Preferably, above-mentioned zone is divergence expression region, spiral region, wave region, winding type region or removing
The random mode region of above-mentioned zone.
Preferably, above-mentioned zone is symmetrical formula region, formula region symmetrical above and below or asymmetric formula region.
A kind of kitchen ventilator of the three-dimensional noise filtering device of band of the present invention is provided with smoke machine main body and can reduce specific list
The noise filtering device of frequency noise or multi-frequency noise, noise filtering device are assemblied in smoke machine main body.The noise filtering
There are gaps between device and the immediate wall surface of smoke machine main body.The noise filtering device is set as being distributed with multiple for disappearing
Except specific unifrequency noise or the panel of the through-hole of multi-frequency noise.Denoising device in the prior art can only be directed to single
Target frequency noise reduction.A kind of kitchen ventilator of the three-dimensional noise filtering device of band of the present invention can adjust the hole of different through-holes
The edge minimum range of diameter, the edge of through-hole and adjacent through-holes, the through-hole distribution of panel or noise filtering device and smoke machine master
The specific unifrequency noise of combination or multi-frequency noise noise reduction of the distance of body.The noise filtering device can keep long-term good drop
It makes an uproar effect, which has the advantages that be easy to arrange, and dust, the grease on surface etc. can be by removing cleaning.It should
Noise filtering device has the advantages that low cost, reliability are high.The material of the noise filtering device be anticorrosive, chemical resistance and
It is hardly damaged.Narrow frequency noise and broadband noise can be effectively reduced, noise reduction wide frequency range can reduce the noise of multiple frequencies.
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 a kind of range hood structure schematic diagram of the three-dimensional noise filtering device of band of embodiment 1.
Fig. 2 is the panel schematic diagram in Fig. 1.
Fig. 3 is a kind of range hood structure schematic diagram of the three-dimensional noise filtering device of band of embodiment 2.
Fig. 4 is the panel schematic diagram of embodiment 4.
Fig. 5 is the panel construction schematic diagram of the embodiment of the present invention 5.
Fig. 6 is through-hole different zones distribution mode, and the B in A and Fig. 6 in Fig. 6 is symmetrical formula region, the C in Fig. 6
It is formula region symmetrical above and below with the D in Fig. 6, the F in E and Fig. 6 in Fig. 6 is asymmetric formula region.
Fig. 7 is the panel construction schematic diagram of the embodiment of the present invention 6.
Fig. 8 is through-hole different zones distribution mode, and the B in A and Fig. 8 in Fig. 8 is divergence expression region, C and figure in Fig. 8
D in 8 is spiral region, and the F in E and Fig. 8 in Fig. 8 is wave region, and the H in G and Fig. 8 in Fig. 8 is winding type
Region, the J in I and Fig. 8 in Fig. 8 are random mode region.
In Fig. 1 to Fig. 8, include：
Noise filtering device 1,
Panel 11, through-hole 111, reinforced structure 112,
Sound-absorbing part 12,
Smoke machine main body 2,
Full open type space 21, semi-open-type space 22, wall surface 23, protrusion 24.
Specific implementation mode
Technical scheme of the present invention is described further with the following Examples.
Embodiment 1.
A kind of kitchen ventilator of the three-dimensional noise filtering device of band is provided with smoke machine main body 2 and can reduce as shown in Fig. 1 to 2
The noise filtering device 1 of specific unifrequency noise or multi-frequency noise, noise filtering device 1 are assemblied in smoke machine main body 2.Noise
There are gaps between 2 immediate wall surface 23 of filter device 1 and smoke machine main body.Noise filtering device 1 is set as being distributed with multiple
Panel 11 for the through-hole 111 for eliminating specific unifrequency noise or multi-frequency noise.
The gap of the present embodiment is full open type space 21.The experiment proved that in full open type space 21, different noises
The incidence angle of sound wave may have multiple, and the incidence angle of multi-angle can make noise filtering device 1 form different resonant frequencies.Noise
The target frequency of filter device 1, which may require that, to be corrected, and especially sound wave enters noise filter, full open type space with glancing angle
21 resonant frequency has great change.The correction function of the target frequency in full open type space 21 is FA=FT+ε；Wherein, FA
For revised target frequency, FTInitial theory target frequency, ε are frequency of amendment.
It is H by the distance definition of noise filtering device 1 and 2 immediate wall surface 23 of smoke machine main body1.Noise filtering device 1
It is additionally provided with sound-absorbing part 12, sound-absorbing part assembles smoke machine main body 2.The thickness of sound-absorbing part 12 is defined as H2, and H2≤0.6H1。
The sound-absorbing part 12 of the present embodiment is fixed on 11 panel 11 of panel close to the outer surface of smoke machine main body 2.It should be noted that
The sound-absorbing part 12 of the present invention can also be fixed on the surface of panel 11 and the nearest wall surface 23 of smoke machine main body 2 or sound-absorbing part 12 is consolidated
Due between nearest 23 gap of wall surface of panel 11 and smoke machine main body 2, depending on specific embodiment is with actual conditions.
The density and material of sound-absorbing part 12 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 enter noise mistake
Filter the hole of device 1.Therefore the sound-absorbing part 12 of the present invention is preferably fiber, PP cottons, polyester fiber, Carbon fibe or porous foam.
Or sound-absorbing part 12 is porous plate.
The present embodiment increases sound-absorbing part 12 compared with embodiment 1, and the setting of sound-absorbing part 12 can increase the consume of friction, reinforce drop
It makes an uproar effect.
The aperture of the through-hole 111 of the present invention is defined as d, and d≤30mm；Wherein d is multiple numerical value.The through-hole of the present invention
111 edge is b with the edge minimum range of adjacent through-holes 111, and b is the arbitrary value more than 0, and wherein b is multiple numerical value.This reality
Multi-frequency noise can be reduced by applying the noise filtering device 1 of example.
In aperture, d is constant, and the value of the edge of through-hole 111 and the edge minimum range b of adjacent through-holes 111 are smaller to disappear
The target noise frequency removed is bigger.It is constant at the edge of through-hole 111 and the edge minimum range b of adjacent through-holes 111,
The smaller target noise frequency to be eliminated of the value of aperture d is with regard to smaller.
It should be noted that when the value of the value and d for b is unique, it can be to specific unifrequency noise noise reduction.But work as b
With d specific unifrequency noise or multi-frequency noise noise reduction are combined into for that can match according to the value of the two when multiple and different values.B's
The number of value and the value of d, size are depending on actual conditions.
The present invention be the edge of edge and the adjacent through-holes 111 by adjusting the apertures of different through-holes 111, through-hole 111 most
Small distance, the distribution of through-hole 111 of panel 11 or combination specific unifrequency of the noise filtering device 1 at a distance from smoke machine main body 2
Noise or multi-frequency noise noise reduction.And it is less than 20mm per the thickness of deck panels 11.
The shape of the through-hole 111 of the present invention is circle, ellipse, triangle, square, rectangle, pentagon, six sides
At least one of shape, diamond shape or irregular shape.The through-hole 111 of specific the present embodiment is conveniently of circular shape, because
Circle makes upper relatively easy in technique, and because of the interference of not no corner angle, noise reduction is optimal.
It should be noted that the shape of through-hole 111 may be ellipse, triangle, square, rectangle, pentagon, six
Side shape, diamond shape or irregular shape, or the combination of above-mentioned various shapes, specific embodiment with actual conditions and
It is fixed.
The denoising device principle of the present invention：Noise filtering device 1 can be propagated in limited closed space in noise source
When to noise filtering device 1, noise reduction is carried out.Sound wave is usually propagated with negative direction touching noise filtering device 1, so big portion
The incidence wave divided can be interfered with back wave.
Noise filtering device 1 be using resonance principle carry out noise reduction, when the edge of aperture d and through-hole 111 with it is adjacent
After the edge minimum range b of through-hole 111 is determined, specific noise frequency is filled with the noise filtering that the frequency that sets the goal has been arranged in space
1 is set, covibration is formed.When resonance occurs, the sound wave of oscillation can intensely pierce into out through-hole 111 back and forth in air, make an uproar
The acoustic energy of sound is converted to friction loss in the process, reaches and eliminates target frequency noise.
The kitchen ventilator with three-dimensional noise filtering device is provided with smoke machine main body 2 and can reduce specific unifrequency noise
Or the noise filtering device 1 of multi-frequency noise, noise filtering device 1 are assemblied in smoke machine main body 2.The noise filtering device 1
There are gaps between 2 immediate wall surface 23 of smoke machine main body.The noise filtering device 1 is set as being distributed with multiple for disappearing
Except specific unifrequency noise or the panel 11 of the through-hole 111 of multi-frequency noise.Denoising device in the prior art can only be directed to
Single target frequency noise reduction.A kind of kitchen ventilator of the three-dimensional noise filtering device of band of the present invention can adjust different through-holes
111 aperture, the edge of through-hole 111 are distributed or make an uproar with the edge minimum range of adjacent through-holes 111, the through-hole 111 of panel 11
The specific unifrequency noise of combination of the sound filter device 1 at a distance from smoke machine main body 2 or multi-frequency noise noise reduction.The noise filtering
Device 1 can keep long-term good noise reduction, the noise filtering device 1 to have the advantages that be easy to arrange, dust, the grease on surface
Etc. can by remove cleaning.The noise filtering device 1 has the advantages that low cost, reliability are high.The noise filtering device 1
The advantages of material is anticorrosive, chemical resistance and is hardly damaged, can effectively reduce specific unifrequency or broadband noise.
Embodiment 2.
A kind of kitchen ventilator of the three-dimensional noise filtering device of band, as shown in figure 3, other features are same as Example 1, it is different
Place is that the smoke machine main body 2 of the present embodiment is additionally provided with protrusion 24,24 integrally connected of protrusion and wall surface 23.Gap by
The protrusion 24 of smoke machine main body 2 disconnects and constitutes semi-open-type space 22.
The gap of noise filtering device 1 is semi-open-type space 22, sound of the noise filtering device 1 in different incidence angles
The resonant frequency that wave is formed is the same, and in other words the target frequency of noise filtering device 1 is constant.
The present embodiment compared with Example 1 the advantages of be that it is that semi-open-type is empty that the noise filtering device 1, which is applicable in smoke machine host,
Between 22, such as the wall surface 23 of smoke machine main body 2 is provided with the structures such as protrusion 24 and forms discontinuous space.The face of the present embodiment
The assembly method of plate 11 improves adaptability of the noise filtering device 1 to smoke machine main body 2, while also improving noise filtering device
The stability of 1 target frequency.
Embodiment 3.
A kind of kitchen ventilator of the three-dimensional noise filtering device of band, other features are same as Example 1, the difference is that,
The panel 11 of the present embodiment be specially metal decking 11, it should be noted that the present invention panel 11 or plastic front board 11 or
Person's alloy panel 11, depending on specific embodiment is with actual conditions.
The panel 11 of the metal of the present embodiment has the advantages that high temperature resistant, durable.
Embodiment 4.
A kind of kitchen ventilator of the three-dimensional noise filtering device of band, as shown in figure 4, other features are same as Example 1, it is different
Place is that the panel 11 of the present embodiment is fixedly connected with reinforced structure 112.Specific reinforced structure 112 is reinforcing rib.This hair
It is 100Hz~8000Hz that bright noise filtering device 1, which eliminates noisy frequency range,.
It should be noted that reinforced structure 112 of the invention or convex closure or recessed packet, specific embodiment is with reality
Depending on the situation of border.
Compared with Example 1, the more rigid of panel 11 is low resistance structure to the present embodiment.Low resistance structure can make into
Ejected wave and back wave have out of phase under the specific distance with reflecting surface, can cancel out each other to the sound wave of noise, from
And reduce the intensity of noise.
Embodiment 5.
A kind of kitchen ventilator of the three-dimensional noise filtering device of band, as shown in figure 5, other features are same as Example 1, it is different
Place is that panel 11 of the present invention is provided with multiple regions, and multiple through-holes 111 are by area distribution in 11 position of corresponding panel.
The region of the present invention can be divided into symmetrical formula region, formula region symmetrical above and below or asymmetric formula region.Specifically, this reality
The through-hole 111 of a panel 11 is applied by the areas B in a-quadrant, formula region symmetrical above and below such as Fig. 5 in symmetrical formula region such as Fig. 5
The various forms of area distributions in three kinds of the regions C and D in domain and asymmetric formula region such as Fig. 5 are in panel 11.
The symmetrical formula region of the present embodiment, as shown in the A in Fig. 5.It should be noted that symmetrical in the present invention
Formula region is not limited to the region that the B in the A or Fig. 6 in A, Fig. 6 in Fig. 5 is these three symmetrical formula modes, other
The region of arbitrary symmetrical formula mode also meets the requirement in symmetrical formula region in the present invention, also in the protection model of the present invention
In enclosing.
The formula region symmetrical above and below of the present embodiment, as shown in the B in Fig. 5.It should be noted that symmetrical above and below in the present invention
Formula region is not limited to these three the formula mode symmetrical above and below regions the D in the C or Fig. 6 in B, Fig. 6 in Fig. 5, any other
The region of formula mode symmetrical above and below also meets the requirement in present invention formula region symmetrical above and below, also within the scope of the present invention.
The asymmetric formula region of the present embodiment, as shown in the D in the C and Fig. 5 in Fig. 5.It should be noted that in the present invention
Asymmetric formula region is not limited to these four asymmetric formula sides of the F in E or Fig. 6 in D, Fig. 6 in C, Fig. 5 in Fig. 5
The region of formula, the region of any other asymmetry formula mode also meets the requirement in asymmetric formula region of the invention, also in the present invention
Protection domain in.
It should be noted that the through-hole 111 of the panel 11 of the present invention is not limited to the left and right as shown in Figure 5 of the present embodiment
The distribution mode in symmetrical region, formula region symmetrical above and below and asymmetric formula region, or symmetrical formula region, up and down
The multiple arrangements of any one in symmetrical region or asymmetric formula region, a row that can also be more than two kinds of regions
Row, or multiple arrangements more than two kinds of regions, depending on specific performance is with actual conditions.
The through-hole 111 of the panel 11 of the present embodiment is to be conducive to be configured institute by region by the effect that multiple regions are distributed
Need the frequency of target noise eliminated.
Embodiment 6.
A kind of kitchen ventilator of the three-dimensional noise filtering device of band, as shown in fig. 7, other features are same as Example 1, it is different
Place is, the region of embodiment can be divided into divergence expression region, spiral region, wave region, winding type region or
Remove the random mode region of above-mentioned zone.
The region of the present embodiment can be divided into two spiral regions, a divergence expression region and a random mode region.
Specifically, the B area in A and Fig. 7 in the 111 spiral region of through-hole of the present embodiment panel 11 such as Fig. 7, divergence expression region is such as
Tri- kinds of various forms of area distributions of C in the regions D and random mode region such as Fig. 7 in Fig. 7 are in panel 11.
The divergence expression region of the present embodiment, as shown in the D in Fig. 7.It should be noted that the divergence expression region in the present invention is not
It is confined to these three divergence expression regions of the B in the A or Fig. 8 in D, Fig. 8 in Fig. 7, any other divergence expression mode region
The requirement in divergence expression region of the present invention is also complied with, also within the scope of the present invention.
The spiral region of the present embodiment, as shown in the B in the A and Fig. 7 in Fig. 7, it should be noted that, the spiral shell in the present invention
Rotating region is not limited to these four spiral regions of the D in the C or Fig. 8 in B, Fig. 8 in A, Fig. 7 in Fig. 7, other
Arbitrary spiraling manner region also complies with the requirement of the present invention, also within the scope of the present invention.
The random mode region of the present embodiment, as shown in the C in Fig. 7, the random mode region in the present invention is not limited in Fig. 7
C, Fig. 8 in I or Fig. 8 in J these three random mode regions, any other random mode mode region also complies with the present invention
Requirement, also within the scope of the present invention.
Wave region in the present invention is not limited to both wave regions of the F in the E and Fig. 8 in Fig. 8, other
Arbitrary wave mode region also complies with the requirement of the present invention, also within the scope of the present invention.
Winding type region in the present invention is not limited to both winding type modes of the H in the G and Fig. 8 in Fig. 8, other
Arbitrary winding type mode region also complies with the requirement of the present invention, also within the scope of the present invention.
It should be noted that the through-hole 111 of the panel 11 of the present invention is not limited to the diverging as shown in Figure 7 of the present embodiment
The distribution mode in formula region, random mode region and spiral region, or divergence expression region, spiral region, wave
The multiple arrangements of any one in the random mode region in region, winding type region or removing above-mentioned zone, can also be two kinds
A more than region arrangement, or multiple arrangement specific embodiments more than two kinds of regions can be according to practical feelings
Depending on condition.
Embodiment 7.
A kind of design of the kitchen ventilator of the three-dimensional noise filtering device of band：
Target frequency：8000Hz.
The aperture d=10mm of through-hole 111, the edge of through-hole 111 and the edge minimum range b=23mm of adjacent through-holes 111,
H1=2.5mm.
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 of the three-dimensional noise filtering device of band：
Target frequency：100Hz.
The aperture d=2mm of through-hole 111, the edge of through-hole 111 and the edge minimum range b=23mm of adjacent through-holes 111,
H1=50mm.
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 of the three-dimensional noise filtering device of band：
Target frequency 1：800Hz.
The aperture d=4mm of through-hole 111, the edge of through-hole 111 and the edge minimum range b=18mm of adjacent through-holes 111,
H1=20mm.
Target frequency 2：800Hz.
The aperture d=5mm of through-hole 111, the edge of through-hole 111 and the edge minimum range b=23mm of adjacent through-holes 111,
H1=20mm.
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 of the three-dimensional noise filtering device of band：
Target frequency 1：7000Hz.
The aperture d=10mm of through-hole 111, the edge of through-hole 111 and the edge minimum range b=23mm of adjacent through-holes 111,
H1=2.6mm.
Target frequency 2：800Hz.
The aperture d=5mm of through-hole 111, the edge of through-hole 111 and the edge minimum range b=23mm of adjacent through-holes 111,
H1=20mm.
Therefore the kitchen ventilator can only effectively eliminate pair in the characteristic with the corresponding through-hole of above-mentioned two target frequency 111
The noise for the frequency answered.
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, the member of the ordinary skill of this field 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 of the three-dimensional noise filtering device of band, it is characterised in that：It is provided with smoke machine main body and can reduce specific
The noise filtering device of unifrequency noise or multi-frequency noise, noise filtering device are assemblied in smoke machine main body；
There are gaps between the noise filtering device and the immediate wall surface of smoke machine main body；
The noise filtering device is set as being distributed with multiple for eliminating the logical of specific unifrequency noise or multi-frequency noise
The panel in hole.
2. the kitchen ventilator of the three-dimensional noise filtering device of band according to claim 1, it is characterised in that：The gap is complete
Open type space.
3. the kitchen ventilator of the three-dimensional noise filtering device of band according to claim 1, it is characterised in that：The smoke machine main body
Also set up protrusion, protrusion integrally connected and wall surface；
The gap is disconnected by the protrusion of smoke machine main body and constitutes semi-open-type space.
4. the kitchen ventilator of the three-dimensional noise filtering device of band according to claim 2 or 3, it is characterised in that：The noise
Filter device is additionally provided with sound-absorbing part, and sound-absorbing part assembles smoke machine main body；
It is H by the distance definition of noise filtering device and the immediate wall surface of smoke machine main body1, the thickness of sound-absorbing part is defined as H2, and
H2≤0.6H1；
The sound-absorbing part is fixed on panel and is located towards a side of smoke machine main body；Or the sound-absorbing part is fixed on panel
With the surface of the nearest wall surface of smoke machine main body；Or
The sound-absorbing part is fixed between panel and the nearest wall surface gap of smoke machine main body.
5. the kitchen ventilator of the three-dimensional noise filtering device of band according to claim 4, it is characterised in that：The hole of the through-hole
Diameter is defined as d, and d≤30mm；
The d is single numerical value or multiple numerical value.
6. the kitchen ventilator of the three-dimensional noise filtering device of band according to claim 5, it is characterised in that：The side of the through-hole
The edge minimum range of edge and adjacent through-holes is b, and b is the arbitrary value more than 0；
The b is single numerical value or multiple numerical value.
7. the kitchen ventilator of the three-dimensional noise filtering device of band according to claim 4, it is characterised in that：Adjust different through-holes
Aperture, through-hole the edge and edge minimum range of adjacent through-holes, the through-hole distribution of panel or noise filtering device and cigarette
The specific unifrequency noise of combination or multi-frequency noise noise reduction of the distance of owner's body；
The thickness of the panel is less than 20mm；
The shape of the through-hole is circle, ellipse, triangle, square, rectangle, pentagon, hexagon, diamond shape or not
At least one of regular shape.
8. the kitchen ventilator of the three-dimensional noise filtering device of band according to claim 7, it is characterised in that：The sound-absorbing part is
Fiber, PP cottons, polyester fiber, Carbon fibe or porous foam；Or
The sound-absorbing part is porous plate.
9. the kitchen ventilator of the three-dimensional noise filtering device of band according to claim 8, it is characterised in that：The panel is gold
Belong to panel, plastic front board or alloy panel；
The panel is fixedly connected with reinforced structure；
The reinforced structure is convex closure, recessed packet or reinforcing rib；
It is 100Hz~8000Hz that the noise filtering device, which eliminates noisy frequency range,.
10. the kitchen ventilator of the three-dimensional noise filtering device of band according to claim 9, it is characterised in that：The panel is set
Multiple regions are equipped with, multiple through-holes are by area distribution in corresponding positions of panels；
The region be divergence expression region, spiral region, wave region, winding type region or remove above-mentioned zone with
Machine formula region；
The region is symmetrical formula region, formula region symmetrical above and below or asymmetric formula region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810776888.6A CN108731080A (en) | 2018-07-14 | 2018-07-14 | A kind of kitchen ventilator of the three-dimensional noise filtering device of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810776888.6A CN108731080A (en) | 2018-07-14 | 2018-07-14 | A kind of kitchen ventilator of the three-dimensional noise filtering device of band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108731080A true CN108731080A (en) | 2018-11-02 |
Family
ID=63926939
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810776888.6A Pending CN108731080A (en) | 2018-07-14 | 2018-07-14 | A kind of kitchen ventilator of the three-dimensional noise filtering device of band |
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| CN208431851U (en) * | 2018-07-14 | 2019-01-25 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator of the three-dimensional noise filtering device of band |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101149296A (en) * | 2007-11-09 | 2008-03-26 | 北京航空航天大学 | Broad-band noise-reducing acoustic liner and its manufacture method |
| KR20110052935A (en) * | 2009-11-13 | 2011-05-19 | 주식회사 하츠 | Noise reduction range hood |
| WO2015155922A1 (en) * | 2014-04-09 | 2015-10-15 | パナソニックＩｐマネジメント株式会社 | Active noise control device, program, and range hood device |
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