CN109506274A - Range hood with sound absorption and noise reduction functions - Google Patents

Range hood with sound absorption and noise reduction functions Download PDF

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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
Application number
CN201811440826.4A
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Chinese (zh)
Inventor
李智怀
李永波
潘叶江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vatti Co Ltd
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Vatti Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vatti Co Ltd filed Critical Vatti Co Ltd
Priority to CN201811440826.4A priority Critical patent/CN109506274A/en
Publication of CN109506274A publication Critical patent/CN109506274A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2035Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663Sound attenuation

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  • 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

A kind of range hood with absorbing sound and lowering noise function
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%.
CN201811440826.4A 2018-11-29 2018-11-29 Range hood with sound absorption and noise reduction functions Pending CN109506274A (en)

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

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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

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Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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