CN107449007A - A kind of range hood - Google Patents
A kind of range hood Download PDFInfo
- Publication number
- CN107449007A CN107449007A CN201710835293.9A CN201710835293A CN107449007A CN 107449007 A CN107449007 A CN 107449007A CN 201710835293 A CN201710835293 A CN 201710835293A CN 107449007 A CN107449007 A CN 107449007A
- Authority
- CN
- China
- Prior art keywords
- sound
- lower house
- dividing plate
- range hood
- cavity
- 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
- 239000011358 absorbing material Substances 0.000 claims description 22
- 239000012814 acoustic material Substances 0.000 claims description 13
- 239000012774 insulation material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- 239000013039 cover film Substances 0.000 claims description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims 1
- 239000004814 polyurethane Substances 0.000 claims 1
- 235000019504 cigarettes Nutrition 0.000 abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 11
- 239000003546 flue gas Substances 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 12
- 239000007789 gas Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 239000004071 soot Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 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
- 239000010408 film Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000003313 weakening effect Effects 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses a kind of range hood, including casing and the blower fan in casing, and lower house, lower house to be fixedly connected with casing, it is characterised in that：Also include cavity dividing plate, the cavity dividing plate is fixedly mounted on inside lower house, and lower house is divided into first and second cavity, and cavity dividing plate lower end is provided with air through hole, and air inlet is provided between lower house and cavity dividing plate upper end.Cavity dividing plate increases significantly by flue gas flow channel, and sound transmission increases to the path in user's ear, is advantageous to the aerial decay of sound, also can effective reducing noise.Air-flow through hole is arranged on below cavity dividing plate by the range hood, is hidden and is built in inside cigarette machine, effectively improves the outward appearance of range hood.
Description
Technical field
The invention belongs to a kind of range hood, is concretely related to a kind of range hood of Jing Yin noise reduction.
Background technology
In order to quickly detach oil smoke, health is protected, major range hood manufacturer is proposed Wind Volume successively
Range hood, with the raising of air quantity, noise caused by range hood is also increasing.Range hood is opened when cooking just to listen not
Voice, phone sound, doorbell sound and child's sound to others, or even this strong noise can make housewife and kitchen operation
Personnel produce the adverse reactions such as irritated, headache, palpitaition, long-term use of, and physical and mental health can be caused to have a strong impact on.Therefore noise into
For technical problem urgently to be resolved hurrily existing for existing range hood.With the raising that people are required quality of the life, user is selecting
When purchasing range hood, the size of cigarette machine noise parameters is increasingly paid close attention to.It may be said that the quality of cigarette machine noiseproof feature is product competition
One big key factor of power.
The root that range hood produces noise comes from blower fan system, and blower fan system noise mainly has two aspects, first, wind
The noise of machine in itself, second, air-flow moves the noise sent by turbulization in volute of blower.The sound that user is perceived
Mainly transferred out by air inlet how to reduce the influence of air inlet noise on human, turn into the pass for improving the experience of cigarette machine noise
Key method.
The content of the invention
In view of the presence of problem above, the invention provides a kind of range hood, have simple in construction, smoking can be reduced and made an uproar
The characteristics of sound.
A kind of range hood, including casing and the blower fan in casing, and lower house, lower house is fixed with casing to be connected
Connect, in addition to cavity dividing plate, the cavity dividing plate are fixedly mounted on inside lower house, and lower house is divided into first and second chamber
Body, air through hole is provided with cavity dividing plate lower end, and air inlet is provided between lower house and cavity dividing plate upper end.Cavity every
Plate increases significantly by flue gas flow channel, and sound transmission to the path in user's ear also increases significantly, and this is advantageous to sound in atmosphere
Decay, also can effective reducing noise.Air-flow through hole is arranged on below cavity dividing plate by the range hood, equal in being hidden
Put inside cigarette machine, effectively improve the outward appearance of range hood.
Further：The cavity dividing plate is in concave shape；The cavity dividing plate is circular arc shiny surface, and in cavity dividing plate table
Face sprays nanometer oily dirt free material.By setting concave shape, the circulation length of flue gas can be added, is advantageous to reduce flue gas
Circulation noise, and be advantageous to hide the internal structure of cigarette machine, the outward appearance of the school range hood；Air inlet face cavity dividing plate
Circular arc hydraulically smooth surface, visual effect is preferable, and soot gas enter the first cavity from air inlet, air-flow by circular arc wall turn back to
Lower flowing, turn back flow and by the air through hole on cavity dividing plate hence into the second cavity, in the process, air-flow again
Turn back to flow and produce centrifugal force, the greasy dirt particle in flue gas is thrown toward dividing plate wall, and so as to condense adhesion, and greasy dirt will not glue
On cavity dividing plate.
Further：Drop in leaf is provided with the lower house and at air inlet, the drop in leaf is hinged on
On lower house, drop in leaf covers in air inlet.By setting drop in leaf, air inlet can be blocked, is advantageous to improve oil suction
The outward appearance of cigarette machine, and the purpose of flue gas can also be collected by drop in leaf.
Further：Sound-absorbing material is installed with first cavity and the second cavity inner surface.Sound-absorbing material layer
The noise inside cigarette machine can be effectively absorbed, effectively reduces the formation of inner space reverberation.
Further：Sound-absorbing acoustic material is installed with the front panel inwall of the lower house.Sound-absorbing material layer can
To effectively absorb the noise for the various frequencies that cigarette machine comes from air through hole toward outside outflow, insulation material layer can be to greatest extent
Ground resistance sound insulation sound is directly transferred to human ear through sound-absorbing, resistant panels, while also can be farthest by noise lock in enclosure interior
Space, so as to increase the using effect of sound-absorbing material.
Further：The sound-absorbing acoustic material being fixedly installed on the air through hole face lower house front panel.Sound-absorbing material
Layer can effectively absorb the noise for the various frequencies that cigarette machine comes from air through hole toward outside outflow, and insulation material layer can be maximum
Limit ground resistance sound insulation sound is directly transferred to human ear through sound-absorbing, resistant panels.
Further：The acoustic material is made up of damping sound insulation material.Sound-absorbing acoustic material made of the material not only every
Audio fruit is good, and has good damping effect, weakens the reflex of sound, and is environment-friendly materials, pollution-free, Yi Jia
Work.
Further：Spray the coating or cover film of one layer of waterproof and oilproof in the sound-absorbing material surface.By sprayed coating or
Cover film can avoid the pollution of greasy dirt, can keep good sound-absorbing effect for a long time.
Further：Institute's sound-absorbing material layer is made up of the sound-absorbing material of melamine foam or polyurethane foam.The material it is common and
With sound absorption properties good, anti-flammability and thermal insulation, hydrothermal stability are good and environment friendly and pollution-free.
Beneficial effect
The beneficial effects of the invention are as follows：By setting cavity dividing plate in range hood lower house, flue gas flow channel is added
Length, is advantageous to the decay of sound, while sets sound-absorbing material to absorb flue gas circulation noise significantly, and the major part absorbed is
High frequency noise, sound quality can be effectively improved, lift user's use feeling.This is simple in construction, is made an uproar effectively lowering flue gas
While sound, the aesthetic appearance of range hood can be improved.
Brief description of the drawings
Fig. 1 is lower housing cavity schematic diagram；
Fig. 2 is cigarette machine lower house gas passage schematic diagram；
Fig. 3 is that lower house front panel faces effect diagram；
Fig. 4 is that acoustic material arrangement schematic diagram is inhaled inside cigarette machine lower house
The reference of the present invention：1st, casing, 2, blower fan, 3, lower house, 4, cavity dividing plate, 5, drop in leaf, 31, above
Plate, 6, air inlet, 7, air through hole, the 8, first cavity, the 9, second cavity, 10, sound-absorbing acoustic material.
Embodiment
As one embodiment of the present invention, as shown in accompanying drawing 1,2,3,4, including casing 1, blower fan 2, lower house 3, chamber
Body dividing plate 4 and drop in leaf 5, the blower fan 2 are installed on the box house 1, and casing 1 and lower house 3 are connected by screw solid
It is fixed, and casing communicates with lower house；Cavity dividing plate 4 is arranged on inside lower house 3, and both ends are bonded with lower house front panel 31.
As shown in accompanying drawing 1,2, the cigarette machine is closed, drop in leaf and plate closing before lower house, air inlet
Close, cavity dividing plate is in concave shape, is fixed on inside lower house；Cavity dividing plate both ends are bonded with lower house front panel,
So as to form the first cavity 8 therebetween, dividing plate and lower house other parts form the second cavity 9, and cavity dividing plate is by lower casing
Internal body portion is cut into two independent cavitys.Opened in drop in leaf with lower house front panel at an angle, this when lives
Dynamic turnover panel has the function that stop soot gas, is advantageous to absorption of the range hood to soot gas.When drop in leaf open into
The circular arc hydraulically smooth surface of gas port face cavity dividing plate, soot gas enter the first cavity from air inlet, and air-flow passes through circular arc wall
Turn back and flow downward, then enter casing along upwardly direction, excluded by blower fan.
As shown in Figure 2, the cigarette machine is in opening, and drop in leaf is opened and with lower house front panel into certain angle
Degree, air inlet open.The air through hole 7 on air inlet 6 and dividing plate, the path of cigarette machine fume exhaust gas are represented in figure respectively
For：Soot gas enter the first cavity 8 from air inlet, and air-flow is turned back by circular arc wall and flowed downward, and turn back flowing again simultaneously
By the air through hole 7 on cavity dividing plate hence into the second cavity 9, air-flow enters casing along upwardly direction afterwards, leads to
Blower fan is crossed to discharge it.
Effect diagram is faced for lower house front panel as shown in Figure 3, the schematic diagram cigarette machine eliminates drop in leaf, from
Understood in figure, lower house front panel internal face sets sound-absorbing acoustic material, and sound-absorbing material layer can effectively absorb cigarette machine from entering
Vent hole toward outside outflow come various frequencies noise, insulation material layer can obstruct to greatest extent sound through sound-absorbing every
Soundboard is directly transferred to human ear.The circular arc hydraulically smooth surface of air inlet face cavity dividing plate, visual effect is preferable, and soot gas are from entering
Gas port enters the first cavity 8, and air-flow is turned back by circular arc wall and flowed downward, and turns back flow and by cavity dividing plate again
Air through hole is hence into the second cavity 9, and in the process, air-flow, which turns back to flow, produces centrifugal force, the greasy dirt particle in flue gas
Dividing plate wall is thrown toward, so as to condense adhesion, and cavity baffle surface sprays nanometer not viscous oil material, effect of the greasy dirt in gravity
Under, flow downward, eventually flow in lubricating cup.7 show the air through hole on dividing plate in figure, before the air through hole face lower house
Panel, looked over from the front viewing angle of front panel, be invisible air through hole, can be hidden and be built in inside cigarette machine,
Be advantageous to the aesthetic appearance of range hood.
As shown in Figure 4 schematic diagram, lower house inner surface setting sound-absorbing are arranged to inhale acoustic material inside cigarette machine lower house
Acoustic material, sound-absorbing material layer can effectively absorb the noise inside cigarette machine, effectively reduce the formation of inner space reverberation, every
Sound material layer can obstruct sound to greatest extent and be directly transferred to human ear through housing, while also can be farthest by noise
Enclosure interior space is locked in, so as to increase the using effect of sound-absorbing material.Set sound-absorbing acoustic material 10 can in inside cavity
Greatly to absorb the noise of various frequency bands, so as to reduce noise figure, and the presence of dividing plate allows flue gas flow channel to increase significantly, sound
The path that sound is traveled in user's ear also increases significantly, and this is advantageous to the aerial decay of sound, also can effective reducing noise；
Lower house cavity is divided into independent two parts simultaneously, so as to form two acoustics noise elimination cavities, sound wave is in two inside cavity energy
The reflection of more numbers is formed, this will also allow sound-absorbing material to play effect more times, can greatly strengthen sound-absorbing effect.
Insulation material layer is made up of damping sound insulation material, be directly bonded (or fix by other means, such as,；Screw is consolidated
It is fixed) it is fixed on housing metal plate, not only soundproof effect is good for it, and has good damping effect, and the reflection for weakening sound is made
With, and be environment-friendly materials, pollution-free, easy processing.Sound-absorbing material layer is by the common sound-absorbing material such as melamine foam or polyurethane foam
It is made, sound-absorbing outer surface can be plane form, or channel away or pyramidal structure, it is desirable to which there is remarkable sound absorption
Property, anti-flammability, thermal insulation, hydrothermal stability, and it is environment friendly and pollution-free.Sound-absorbing material layer bonding is solid by other means
Determine, for example screw is fixed) it is fixed on insulation material layer.Due to the special use environment of cigarette machine, after long-term use of, sound-absorbing material
Surface has greasy dirt.The present invention passes through the coating in one layer of waterproof and oilproof of sound-absorbing material surface spraying, or one layer of waterproof of covering
Grease proofing film, allows it to avoid the pollution of greasy dirt, keeps good sound-absorbing effect for a long time.
Technical scheme and beneficial effect are described in detail above-described embodiment, Ying Li
Solution is to the foregoing is only presently most preferred embodiment of the invention, is not intended to limit the invention, all principle models in the present invention
Interior done any modification, supplement and equivalent substitution etc. are enclosed, should be included in the scope of the protection.
Claims (9)
1. a kind of range hood, including casing and the blower fan in casing, and lower house, lower house is fixed with casing to be connected
Connect, it is characterised in that：Also include cavity dividing plate, the cavity dividing plate is fixedly mounted on inside lower house, lower house is divided into
First and second cavity, air through hole is provided with cavity dividing plate lower end, is provided between lower house and cavity dividing plate upper end
Air inlet.
2. range hood according to claim 1, it is characterised in that：The cavity dividing plate is in concave shape；The cavity
Dividing plate is circular arc shiny surface, and sprays nanometer oily dirt free material in cavity baffle surface.
3. range hood according to claim 2, it is characterised in that：Set on the lower house and at air inlet
There is drop in leaf, the drop in leaf is hinged on lower house, and drop in leaf covers in air inlet.
4. according to the range hood described in claim 1-3 any claims, it is characterised in that：In first cavity and
Sound-absorbing material is installed with two cavity inner surfaces.
5. range hood according to claim 4, it is characterised in that：The fixed peace on the front panel inwall of the lower house
Equipped with sound-absorbing acoustic material.
6. range hood according to claim 5, it is characterised in that：It is solid on the air through hole face lower house front panel
Surely the sound-absorbing acoustic material set.
7. range hood according to claim 6, it is characterised in that：The acoustic material is made up of damping sound insulation material.
8. range hood according to claim 7, it is characterised in that：One layer of waterproof and oilproof of the sound-absorbing material surface spray
Coating or cover film.
9. range hood according to claim 8, it is characterised in that：The sound-absorbing material layer is by melamine foam or polyurethane
The sound-absorbing material of foam is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710835293.9A CN107449007A (en) | 2017-09-15 | 2017-09-15 | A kind of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710835293.9A CN107449007A (en) | 2017-09-15 | 2017-09-15 | A kind of range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107449007A true CN107449007A (en) | 2017-12-08 |
Family
ID=60495713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710835293.9A Pending CN107449007A (en) | 2017-09-15 | 2017-09-15 | A kind of range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107449007A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11215368B2 (en) * | 2017-12-19 | 2022-01-04 | Gree Electric Appliances (Wuhan) Co., Ltd | Range hood |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4443176C1 (en) * | 1994-12-05 | 1996-05-02 | Gaggenau Werke | Low-noise extractor hood |
| CN201277637Y (en) * | 2008-08-01 | 2009-07-22 | 浙江普田电器有限公司 | Household integrated electric kitchen stove with covering board |
| CN102072514A (en) * | 2011-01-20 | 2011-05-25 | 宁波方太厨具有限公司 | Noise reducing method for range hood and low-noise range hood |
| CN103697512A (en) * | 2013-11-30 | 2014-04-02 | 宁波方太厨具有限公司 | Silent range hood |
| CN203718869U (en) * | 2014-01-07 | 2014-07-16 | 宁波方太厨具有限公司 | Noise reduction type range hood |
| US20140341712A1 (en) * | 2013-05-17 | 2014-11-20 | Ask Industries Societa' Per Azioni | Low-noise fume extractor hood |
| CN204678445U (en) * | 2015-05-25 | 2015-09-30 | 浙江信利电器有限公司 | A kind of lampblack absorber with deoiling function |
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| CN105987418A (en) * | 2015-06-08 | 2016-10-05 | 华帝股份有限公司 | Ultra-silent side-draft range hood |
| CN106123072A (en) * | 2016-08-11 | 2016-11-16 | 天津大学 | Range hood with heat recovery and personalized air supply functions |
| CN106196204A (en) * | 2015-05-05 | 2016-12-07 | 好太太电器（中国）有限公司 | Curve wind-discharging cooking fume exhauster |
| CN106855257A (en) * | 2017-02-20 | 2017-06-16 | 广东美的厨房电器制造有限公司 | The housing unit and range hood of range hood |
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2017
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|---|---|---|---|---|
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| CN105485738A (en) * | 2014-09-18 | 2016-04-13 | 中山市好生活电器有限公司 | Environment-friendly range hood with multiple filter screens |
| CN106196204A (en) * | 2015-05-05 | 2016-12-07 | 好太太电器（中国）有限公司 | Curve wind-discharging cooking fume exhauster |
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|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11215368B2 (en) * | 2017-12-19 | 2022-01-04 | Gree Electric Appliances (Wuhan) Co., Ltd | Range hood |
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| PB01 | Publication | ||
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Application publication date: 20171208 |