CN109506274A - Range hood with sound absorption and noise reduction functions - Google Patents
Range hood with sound absorption and noise reduction functions Download PDFInfo
- Publication number
- CN109506274A CN109506274A CN201811440826.4A CN201811440826A CN109506274A CN 109506274 A CN109506274 A CN 109506274A CN 201811440826 A CN201811440826 A CN 201811440826A CN 109506274 A CN109506274 A CN 109506274A
- Authority
- CN
- China
- Prior art keywords
- metal layer
- foam metal
- range hood
- noise
- function according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010521 absorption reaction Methods 0.000 title abstract description 4
- 239000006260 foam Substances 0.000 claims abstract description 88
- 229910052751 metal Inorganic materials 0.000 claims abstract description 74
- 239000002184 metal Substances 0.000 claims abstract description 74
- 239000000779 smoke Substances 0.000 claims description 37
- 239000011148 porous material Substances 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a range hood with sound absorption and noise reduction functions, which comprises a range hood main body, wherein the range hood main body is provided with an air inlet, a filter screen is arranged at the air inlet, and a first foam metal layer is arranged on the inner side of the filter screen. The range hood is through the inboard of filter screen is provided with first foam metal layer the inboard of box is provided with second foam metal layer and the inboard of check valve is provided with the third foam metal layer and is used for inhaling the sound noise of making an uproar, its simple structure, the dismouting of being convenient for, can effectively reduce the produced noise of cigarette machine to the noise of the produced high, medium and low full frequency channel of range hood.
Description
Technical field
The present invention relates to kitchen appliance technical field more particularly to a kind of range hoods with absorbing sound and lowering noise function.
Background technique
The Chinese way of cooking can generate a large amount of oil smoke, and for the health for keeping kitchen environment cleaning and human body, range hood is had become
For one of essential equipment in Modern Family kitchen.But range hood can make a noise in the process of running, and then influence people
Culinary art experience and health.
In recent years, Wind Volume, big suction concept are promoted mainly always in smoke machine market, with stepping up for air quantity, range hood
Generated noise is also increasing, so open when causing to cook range hood can't hear voice, phone sound, doorbell sound with
And child's sound or even this strong noise can make housewife and kitchen operation personnel generate irritated, headache, palpitaition etc. is bad anti-
It answers, is used for a long time, people's physical and mental health is caused to seriously affect.With the raising that people require quality of the life, user is being selected
When purchasing range hood, the size of smoke machine noise parameters is increasingly paid close attention to, it may be said that the superiority and inferiority of smoke machine noise performance is product competition
The big key factor of the one of power.Therefore noise has become technical problem urgently to be resolved existing for existing range hood.
Summary of the invention
The present invention is directed to one of solve the problems, such as present in existing the relevant technologies at least to a certain extent, for this purpose, this hair
Bright to propose a kind of range hood with absorbing sound and lowering noise function, structure is simple, easy to disassemble, can effectively reduce produced by smoke machine
Noise.
Above-mentioned purpose is achieved by the following technical solution:
A kind of range hood with absorbing sound and lowering noise function, including smoke machine main body, the smoke machine main body have air inlet,
The air inlet is provided with strainer, and the first foam metal layer is provided on the inside of the strainer.
In some embodiments, first foam metal layer with a thickness of 5mm to 20mm, average pore size be 2mm extremely
4mm。
In some embodiments, first foam metal layer is suitable for absorbing the noise of 800Hz to 1600Hz.
In some embodiments, it is provided with cabinet in the smoke machine main body, is provided on the inside of the cabinet
Two foam metal layers.
In some embodiments, second foam metal layer with a thickness of 5mm to 10mm, average pore size be 4mm extremely
10mm。
In some embodiments, second foam metal layer is suitable for absorbing the noise of 300Hz to 800Hz.
In some embodiments, the cabinet includes front panel, the first side plate for being located at the front panel two sides
With the second side plate, second bubble is respectively arranged on the inside of the front panel, first side plate and second side plate
Foam metal layer.
In some embodiments, air outlet is offered on the cabinet, is provided with check-valves at the air outlet,
Third foam metal layer is provided on the inside of the check-valves.
In some embodiments, the third foam metal layer with a thickness of 10mm to 50mm, average pore size 10mm
To 20mm.
In some embodiments, the third foam metal layer is suitable for absorbing 300Hz noise below.
In some embodiments, first foam metal layer, second foam metal layer and the third foam
Metal layer use nickel foam, foamed aluminium, foamed iron or foam copper, porosity be 50% to 98%, through-hole rate be greater than or
Equal to 90%.
Compared with prior art, the present invention at least having the effect that
1, the range hood of absorbing sound and lowering noise of the present invention, structure is simple, easy to disassemble, can effectively reduce caused by smoke machine
Noise.
2, its further the user experience is improved so that product has more the market competitiveness.
Other beneficial outcomes of the invention will be explained in conjunction with attached drawing in a specific embodiment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of range hood in the embodiment of the present invention;
Fig. 2 is the decomposition diagram of strainer and the first foam metal layer in the embodiment of the present invention;
Fig. 3 is the decomposition diagram of check-valves and third foam metal layer in the embodiment of the present invention.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Embodiment one: it is as shown in Figure 1 to Figure 3, the present embodiment provides a kind of range hood with absorbing sound and lowering noise function,
Including smoke machine main body 1, smoke machine main body 1 has air inlet, and air inlet is provided with strainer 2, and the inside of strainer 2 is provided with the
One foam metal layer 3.
The range hood of the present embodiment is provided at least one layer of strainer 2 in the air inlet of smoke machine main body 1, can be according to reality
Border needs to be arranged appropriate number of strainer 2, is provided with the first foam metal layer 3 for making an uproar in smoke machine in the inside of strainer 2
Sound is absorbed, but also certain interception filtration can be played to oil smoke.Meanwhile first foam metal layer 3 can also be with filter
Net 2 is installed together to form Combined filtering net, and Combined filtering net is removably disposed in the air inlet of smoke machine main body 1
Place, so that Combined filtering net not only has the characteristics of absorbing sound and lowering noise, but also does not influence the overall appearance of common filter screen, can directly answer
With on the strainer of range hood, structure is simple, easy to disassemble, can effectively reduce noise caused by smoke machine, and then promoted
The usage experience of user, so that product has more the market competitiveness.
Further, the first foam metal layer 3 with a thickness of 5mm to 20mm, average pore size is 2mm to 4mm, and design is closed
It manages, is ingenious, the effect absorbed to noise can be further strengthened.
Specifically, the first foam metal layer 3 is suitable for absorbing the noise of 800Hz to 1600Hz, can be to smoke machine institute
The noise for generating high band is effectively absorbed.
In the present embodiment, the first foam metal layer 3 is arranged in the air inlet of smoke machine main body 1 and in the inside of strainer 2,
First foam metal layer 3 is removably joined together with strainer 2, can also root with a thickness of 5mm to 20mm, preferably 10mm
More particularly suitable thickness is selected according to actual needs.First foam metal layer 3 is rotated for 1 inner blower of smoke machine main body or other vibrations
High band noise caused by dynamic is absorbed, in particular for 800Hz to 1600Hz noise when, can be effectively to high band
Noise absorbed.
Preferably, it is provided with cabinet 4 in smoke machine main body 1, the inside of cabinet 4 is provided with the second foam metal layer 5,
Structure is simple, compact, can effectively reduce noise caused by smoke machine.
Preferably, the second foam metal layer 5 with a thickness of 5mm to 10mm, average pore size is 4mm to 10mm, and design is closed
It manages, is ingenious, the effect absorbed to noise can be further strengthened.
Preferably, the second foam metal layer 5 can produce smoke machine for absorbing to the noise of 300Hz to 800Hz
The noise of raw Mid Frequency is effectively absorbed.
Specifically, cabinet 4 includes front panel 41, the first side plate 42 and the second side plate for being located at 41 two sides of front panel
43, the inside of plate 41, the first side plate 42 and the second side plate 43 is respectively arranged with the second foam metal layer 5, structure letter in front
Single, the noise that can further weaken in kitchen ventilator is propagated outward, and then is absorbed to noise generated in kitchen ventilator.
In the present embodiment, cabinet 4 is provided in smoke machine main body 1 for the Decorative Cover as smoke machine, before cabinet 4 includes
Panel 41, the first side plate 42 and the second side plate 43 for being located at 41 two sides of front panel, in front plate 41, the first side plate 42 and
The inside of two side plates 43 is respectively arranged with the second foam metal layer 5 for absorbing to the noise inside smoke machine, but is not limited to
Three sides of cabinet 4 are provided with the second foam metal layer 5, can also be arranged at the inner side of the backboard at 4 back of cabinet
There is foam metal layer, so that the foam metal layer on the inside of the second foam metal layer 5 and backboard surrounds flue, it can be more efficiently right
Noise caused by wind wheel rotation or other vibrations inside smoke machine is effectively absorbed.Second foam metal layer 5 preferably may be used
The inside of cabinet 4 is releasably set, but is not limited to above-mentioned mounting means, fixed installation etc. can also be selected according to actual needs
Other more particularly suitable mounting means.Second foam metal layer 5 with a thickness of 5mm to 10mm, preferably 8mm, can also be according to reality
Border needs to select more particularly suitable thickness.Second foam metal layer 5 is carried out for Mid Frequency noise generated in smoke machine main body 1
Absorb, in particular for 300Hz to 800Hz noise when, effectively the noise of Mid Frequency can be absorbed.
Preferably, air outlet is offered on cabinet 4, check-valves 6 is provided at air outlet, in the inside of check-valves 6
It is provided with third foam metal layer 7, structure is simple, and design rationally, can effectively reduce the folding of check-valves 6 or air high speed is logical
It crosses air outlet and discharges generated low-frequency noise outward.
Preferably, third foam metal layer 7 with a thickness of 10mm to 50mm, average pore size is 10mm to 20mm, design
Rationally, ingenious, the effect absorbed to noise can be further strengthened.
Preferably, third foam metal layer 7, can be to produced by smoke machine for absorbing to 300Hz noise below
The noise of low-frequency range is effectively absorbed.
In the present embodiment, air outlet is offered in the top of cabinet 4, oil smoke is entered by the air inlet of smoke machine main body 1
Again from air outlet toward outside drain inside to kitchen ventilator, the check-valves for preventing oil smoke from flowing backwards is provided at air outlet
6, being provided in the inside of check-valves 6 can have with the mutually matched third foam metal layer 7 of check-valves 6, third foam metal layer 7
Effect reduces check-valves 6 and opens or closes generated noise, and the external form of check-valves 6 can be to be round or rectangular, can also basis
Actual needs selects other more particularly suitable external forms, and external form and the check-valves 6 of third foam metal layer 7 are mutually matched, and is convenient for group
Close installation.Third foam metal layer 7 is removably mounted on the inside of check-valves 6, but is not limited to above-mentioned mounting means, also optional
With other more particularly suitable mounting means such as fixed installations.Third foam metal layer 7 with a thickness of 10mm to 50mm, preferably
30mm can also select more particularly suitable thickness according to actual needs.Third foam metal layer 7 is for low caused by smoke machine inside
Band noise is absorbed, and when noise below in particular for 300Hz, can effectively be absorbed to the noise of low-frequency range.
Particularly, the first foam metal layer 3, the second foam metal layer 5 and third foam metal layer 7 are using nickel foam, bubble
Foam aluminium, foamed iron or foam copper, porosity are 50% to 98%, and through-hole rate is more than or equal to 90%, and design is reasonable,
So that porous foam metal has good air flow property, and then to achieve the effect that low windage and adsorb by force.
In the present embodiment, porous foam gold is respectively arranged on the strainer of kitchen ventilator 2, cabinet 4 and check-valves 6
Belonging to, kitchen ventilator can carry out selecting according to the spectral characteristic of noise noise elimination aperture or the thickness of laminate of high, normal, basic three frequency spectrums,
To realize the noise for absorbing the high, normal, basic full frequency band of kitchen ventilator, and then it is effectively improved the noise problem of kitchen ventilator.First foam metal
The 3, second foam metal layer 5 of layer and third foam metal layer 7 are made of porous foam metal, and porous foam metal material is preferred
For nickel foam, foamed aluminium, foamed iron or foam copper, but be not limited to above-mentioned material, can also select according to actual needs it is other more
For suitable material.Porous foam metal is high-permeability porous material, is all the porous structure such as sponge, sound from the inside to surface
Sound enters inside by its surface and the fiber fines of air and material in hole is caused to vibrate, by friction and viscosity resistance, by sound
Thermal energy can be transformed into and be absorbed.Not only sound absorption qualities are good for porous foam metal, compared with traditional sound-absorbing material, anti-deformation
It is good, possess good sound absorption qualities, has intensity high and high temperature resistant, so that kitchen ventilator enhances safety, while metal material
It is nontoxic, more meet environmental protection standard.In the present embodiment, the air inlet of smoke machine main body 1 is arranged in the first foam metal layer 3
Place, due to porous foam metal characteristic resistant to high temperature so that the first foam metal layer 3 be more suitable at oil network this high temperature and
It is easy the environment of open fire, the service life of sound arrester is also improved while absorbing sound and lowering noise.Porous foam metal leads to
Porosity is the fully transparent structure for reaching 90% or more, and through-hole rate preferably uses 98%, can also select according to actual needs it is other more
For suitable through-hole rate, porous foam metal can be used as the material for filtering, and damping is small, flow is big and transparent performance is excellent
More, therefore influence can less and also have certain interception filtration to oil smoke to the air quantity of kitchen ventilator.
Above-described is only some embodiments of the present invention, for those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (11)
1. a kind of range hood with absorbing sound and lowering noise function, including smoke machine main body (1), the smoke machine main body (1) has air inlet
Mouthful, the air inlet is provided with strainer (2), which is characterized in that the first foam gold is provided on the inside of the strainer (2)
Belong to layer (3).
2. a kind of range hood with absorbing sound and lowering noise function according to claim 1, which is characterized in that first bubble
Foam metal layer (3) with a thickness of 5mm to 20mm, average pore size is 2mm to 4mm.
3. a kind of range hood with absorbing sound and lowering noise function according to claim 1, which is characterized in that first bubble
Foam metal layer (3) is suitable for absorbing the noise of 800Hz to 1600Hz.
4. a kind of range hood with absorbing sound and lowering noise function according to claim 1, which is characterized in that in the smoke machine
It is provided with cabinet (4) in main body (1), the second foam metal layer (5) are provided on the inside of the cabinet (4).
5. a kind of range hood with absorbing sound and lowering noise function according to claim 4, which is characterized in that second bubble
Foam metal layer (5) with a thickness of 5mm to 10mm, average pore size is 4mm to 10mm.
6. a kind of range hood with absorbing sound and lowering noise function according to claim 4, which is characterized in that second bubble
Foam metal layer (5) is suitable for absorbing the noise of 300Hz to 800Hz.
7. a kind of range hood with absorbing sound and lowering noise function according to claim 4, which is characterized in that the cabinet
It (4) include front panel (41), the first side plate (42) and the second side plate (43) for being located at the front panel (41) two sides, in institute
It states and is respectively arranged with the second foam gold on the inside of front panel (41), first side plate (42) and second side plate (43)
Belong to layer (5).
8. a kind of range hood with absorbing sound and lowering noise function according to claim 4, which is characterized in that in the cabinet
(4) air outlet is offered on, check-valves (6) are provided at the air outlet, and is provided on the inside of the check-valves (6)
Three foam metal layers (7).
9. a kind of range hood with absorbing sound and lowering noise function according to claim 8, which is characterized in that the third bubble
Foam metal layer (7) with a thickness of 10mm to 50mm, average pore size is 10mm to 20mm.
10. a kind of range hood with absorbing sound and lowering noise function according to claim 8, which is characterized in that the third
Foam metal layer (7) is suitable for absorbing 300Hz noise below.
11. a kind of range hood with absorbing sound and lowering noise function according to claim 8,9 or 10, which is characterized in that institute
The first foam metal layer (3), second foam metal layer (5) and the third foam metal layer (7) are stated using nickel foam, bubble
Foam aluminium, foamed iron or foam copper, porosity are 50% to 98%, and through-hole rate is more than or equal to 90%.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811440826.4A CN109506274A (en) | 2018-11-29 | 2018-11-29 | Range hood with sound absorption and noise reduction functions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811440826.4A CN109506274A (en) | 2018-11-29 | 2018-11-29 | Range hood with sound absorption and noise reduction functions |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109506274A true CN109506274A (en) | 2019-03-22 |
Family
ID=65751205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811440826.4A Pending CN109506274A (en) | 2018-11-29 | 2018-11-29 | Range hood with sound absorption and noise reduction functions |
Country Status (1)
Country | Link |
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CN (1) | CN109506274A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110529898A (en) * | 2019-08-21 | 2019-12-03 | 黄将庭 | A kind of smoke separating purification all-in-one machine |
CN112879977A (en) * | 2021-02-23 | 2021-06-01 | 浙江歆雅环保科技有限公司 | Smoke exhaust ventilator integrated machine device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200321892Y1 (en) * | 2003-04-22 | 2003-07-31 | 화이버텍 (주) | Hood filter for gas range |
KR20130055475A (en) * | 2011-11-18 | 2013-05-28 | 주식회사 알란텀 | Muffler for internal cumbution engine |
CN106439959A (en) * | 2016-08-31 | 2017-02-22 | 杭州老板电器股份有限公司 | Low noise and large suction range hood |
CN209622883U (en) * | 2018-11-29 | 2019-11-12 | 华帝股份有限公司 | Range hood with sound absorption and noise reduction functions |
-
2018
- 2018-11-29 CN CN201811440826.4A patent/CN109506274A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200321892Y1 (en) * | 2003-04-22 | 2003-07-31 | 화이버텍 (주) | Hood filter for gas range |
KR20130055475A (en) * | 2011-11-18 | 2013-05-28 | 주식회사 알란텀 | Muffler for internal cumbution engine |
CN106439959A (en) * | 2016-08-31 | 2017-02-22 | 杭州老板电器股份有限公司 | Low noise and large suction range hood |
CN209622883U (en) * | 2018-11-29 | 2019-11-12 | 华帝股份有限公司 | Range hood with sound absorption and noise reduction functions |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110529898A (en) * | 2019-08-21 | 2019-12-03 | 黄将庭 | A kind of smoke separating purification all-in-one machine |
CN112879977A (en) * | 2021-02-23 | 2021-06-01 | 浙江歆雅环保科技有限公司 | Smoke exhaust ventilator integrated machine device |
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