CN110131765A - Oil filtering and noise reducing structure of range hood - Google Patents
Oil filtering and noise reducing structure of range hood Download PDFInfo
- Publication number
- CN110131765A CN110131765A CN201910373262.5A CN201910373262A CN110131765A CN 110131765 A CN110131765 A CN 110131765A CN 201910373262 A CN201910373262 A CN 201910373262A CN 110131765 A CN110131765 A CN 110131765A
- Authority
- CN
- China
- Prior art keywords
- range hood
- partition
- oil
- blade
- denoising structure
- 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
- 238000001914 filtration Methods 0.000 title abstract description 6
- 238000005192 partition Methods 0.000 claims abstract description 70
- 239000000779 smoke Substances 0.000 claims description 55
- 239000004519 grease Substances 0.000 claims description 18
- 238000009423 ventilation Methods 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention discloses an oil filtering and noise reducing structure of a range hood, which comprises a range hood main body with an air inlet, wherein an oil screen is arranged at the air inlet, a fan is arranged in the range hood main body, a plurality of partition plates are arranged between the oil screen and the fan at intervals, a vent is formed between the partition plates and the side wall of the range hood main body, and the partition plates are obliquely arranged. The structure is simple, and the noise reduction performance of the range hood can be effectively improved.
Description
Technical field
The present invention relates to kitchen appliance technical field more particularly to a kind of oil strain denoising structures of range hood.
Background technique
In the related technology, most of range hood, generally all by using the structure of filtering oil smoke net to cross filtering fume
In grease, but oil smoke by when the condensation area that contacts it is small and the time is short, it is difficult to effective interception oil smoke blocks to improve oil smoke
Effect is cut, and has the structures such as small mesh and multilayer oil network, but the through-hole rate of oil network can be made to reduce, reduce air intake surface again in this way
Product, to have an impact to air quantity, noise, and is unfavorable for the cleaning of oil network again.
The oil smoke discharge of range hood is one of the important core index of environmental protection, how to reduce oil smoke and enters in smoke machine impeller
Portion's (i.e. reduction cleaning difficulty and frequency) and oil smoke outlet are the demand points that user becomes more concerned with, it may be said that smoke machine grease point
From the big key factor that the superiority and inferiority of performance is product competitiveness.
The raising required simultaneously with people quality of the life, user increasingly pay close attention to smoke machine when choosing range hood
The size of noise parameters, it may be said that the superiority and inferiority of smoke machine noiseproof feature is another key factor of product competitiveness.
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
A kind of bright oil strain denoising structure for proposing range hood, structure is simple, can effectively improve the anti-acoustic capability of range hood.
Above-mentioned purpose is achieved by the following technical solution:
A kind of oil strain denoising structure of range hood, the range hood includes the smoke machine main body with air inlet, in institute
It states in smoke machine main body and is provided with blower, be arranged at intervals with multiple partitions between the oil network and the blower, in the partition
Ventilation opening is formed between the side wall of the smoke machine main body, and the partition is obliquely installed.
In some embodiments, the partition is from the side far from the ventilation opening toward the side close to the ventilation opening
Tilt down setting.
In some embodiments, the tilt angle of the partition is 3 ° to 10 °.
In some embodiments, it is arranged at intervals with multiple blades on the upper surface of the partition and is suitable for interception oil smoke
In grease.
In some embodiments, the cross section of the blade is in undaform, the blade wave width on the partition
Degree is gradually reduced from the oil network toward the direction of the blower.
In some embodiments, the spacing with blades distance on the partition is from the oil network toward the side of the blower
To being gradually reduced.
In some embodiments, the blade has trough and wave crest, is formed between the trough and the wave crest
Transition wire, the angle between the transition wire and horizontal line are 30 ° to 60 °.
In some embodiments, the cross section of the blade be of a straight line type, broken line type, shaped form or circular arc type.
In some embodiments, the blade with a thickness of 0.2mm to 1mm.
In some embodiments, oleophobic hydrophobic coating is covered on the surface of the partition and the blade.
In some embodiments, the partition with a thickness of 0.2mm to 2mm.
Compared with prior art, of the invention to include at least the following beneficial effects:
1. the range hood oil strain denoising structure that the present invention controls, structure is simple, can effectively improve the drop of range hood
It makes an uproar performance.
2. its grease separating property that can also further promote range hood simultaneously effective improves the purification effect of oil smoke
Rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of range hood oil strain denoising structure in the embodiment of the present invention；
Fig. 2 is the sectional view of range hood oil strain denoising structure in the embodiment of the present invention；
Fig. 3 is the decomposition diagram of range hood oil strain denoising structure in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of blade in the embodiment of the present invention.
Specific embodiment
The present invention will be described for following embodiment, but the present invention is not limited to these examples system.To of the invention
Specific embodiment is modified or some technical features can be equivalently replaced, without departing from the spirit of the present invention program,
It should all cover within the scope of the technical scheme claimed by the invention.
As shown in Figures 1 to 4, the present embodiment provides a kind of oil strain denoising structure of range hood, range hood includes having
The smoke machine main body 1 of air inlet is provided with oil network 2 in the air inlet of smoke machine main body 1, blower 3 is provided in smoke machine main body 1,
It is arranged at intervals with multiple partitions 4 between oil network 2 and blower 3, forms ventilation opening between partition 4 and the side wall of smoke machine main body 2
5, and partition 4 is obliquely installed.
In the present embodiment, range hood includes smoke machine main body 1, the bottom of smoke machine main body 1 offer air inlet with
In entering external oil smoke in smoke machine main body 1 by oil network 2, blower 3 is installed inside smoke machine main body 1, passes through blower 3
Work is being spaced setting so that external oil smoke to be directed into smoke machine main body 1 in smoke machine main body 1 and between oil network 2 and blower 3
Have multiple partitions 4 with for obstructing to noise caused by blower 3 so that noise generates reflection, and then reduce sound to
Lower propagation directly passes through the outside that oil network 2 propagates to smoke machine main body 1 to avoid noise, and the fixing end of partition 4 is set to smoke machine master
On the inner sidewall of body 1, free end extends in 4 free end of partition and smoke machine main body 1 toward the opposite direction of 4 fixing end of partition
Ventilation opening 5 is formed between side wall, and partition 4 is obliquely installed, and then go back range hood while guaranteeing that wind-force is strong
It can further improve mobility of the grease on partition 4.The number of plies of partition 4 is more preferably set as four layers in the present embodiment, but not
It is limited to four layers, can also selects other more particularly suitable numbers of plies according to actual needs, as long as makes range hood can better realization sound
The interval of sound, if 4 number of plies of partition setting it is less if if noise reduction effect it is unobvious, if 4 number of plies of partition setting it is more if increase
The resistance that air flows in smoke machine main body 1 is added, and then has been affected to the air quantity of range hood.
Further, partition 4 is sloped downwardly setting toward close to the one of ventilation opening 5 from the side far from ventilation opening 5, ties
Structure is simple, and rationally, the grease that partition can be allowed to be intercepted passes through the effect flow down of gravity for design, prevents grease inside smoke machine
It is detained.
Specifically, the tilt angle of partition 4 is 3 ° to 10 °, and design is reasonable, ingenious, and range hood can be made to guarantee wind
It can also be flowed from top to bottom convenient for grease while amount.
In the present embodiment, partition 4 tilts down setting from fixing end toward its free extreme direction, i.e., in smoke machine main body 1
In interior vertical direction, the mounting height of 4 fixing end of partition is greater than the height of 4 free end of partition, and certain partition 4 can also be according to reality
Border needs to be set as suitable inclined direction.The tilt angle of partition 4 is 3 ° to 10 ° in the present embodiment, and more preferably partition 4 tilts
Angle be 5 °, as long as kitchen ventilator is made to ensure that mobility of the grease on partition 4.
Preferably, the grease that multiple blades 6 are suitable in interception oil smoke is arranged at intervals on the upper surface of partition 4,
Structure is simple, to oil smoke can effectively adsorb and then improved the performance of filtering fume.
Preferably, the cross section of blade 6 is in undaform, and 6 wave amplitude of blade on partition 4 is from oil network 2 toward the side of blower 3
To being gradually reduced, design rationally, can increase the contact area of blade and oil smoke, and then improve the performance of absorption oil smoke.
Preferably, 6 spacing distance of blade on partition 4 is gradually reduced from oil network 2 toward the direction of blower 3, and design is reasonable,
The contact area of blade and oil smoke can be further increased.
Further, blade 6 has trough and wave crest, and transition wire, transition wire and level are formed between trough and wave crest
Angle between line is 30 ° to 60 °, and design is reasonable, ingenious, and range hood can be made to further decrease smoke machine flow resistance.
Specifically, the cross section of blade 6 be of a straight line type, broken line type, shaped form or circular arc type, structure is simple, design
Rationally.
In the present embodiment, the oil that multiple blades 6 are suitable in interception oil smoke is arranged at intervals on the upper surface of partition 4
Rouge, blade 6 be extended 6 from the fixing end of partition 4 toward free extreme direction in order to improve the mobility of range hood,
On the upper surface of partition 4, multiple intervals of blade 6 are arranged to form channel between two adjacent blades 6, so that oil smoke is logical
The cross section of grease when crossing channel to cross in filtering fume, blade 6 is in undaform, but is not limited to undaform, can also for linear type,
Broken line type, shaped form or circular arc type can also be set as suitable shape according to actual needs certainly.Blade 6 in the present embodiment
Cross section when being in undaform, and partition 4 is disposed with four layers of partition from oil network 2 toward the direction of blower 3, wherein each layer
Spacing distance between 6 amplitude of fluctuation of blade being arranged on partition 4 and two adjacent blades 6 is also different, and every layer of partition 4 is adsorbed
Grease molecules size be it is different, use and promote layer by layer, large, medium and small grease can be better achieved in the mode successively filtered
The layer-by-layer separation of particle, and then to improve the absorption grease ability of range hood, in the leaf close at 2 position of oil network on partition 4
Piece 6 wave amplitude is maximum, and 6 fluctuating range of blade at the position close to blower 3 on partition 4 is minimum, i.e. blade on partition 4
6 wave amplitudes are gradually reduced from oil network 2 toward the direction of blower 3, while being spaced in the blade 6 close at 2 position of oil network on partition 4
Distance is maximum, and 6 spacing distance of blade at the position close to blower 3 on partition 4 is minimum, i.e., 6 interval distance of blade on partition 4
It is gradually reduced from from oil network 2 toward the direction of blower 3, is at this moment oil smoke at position that oil smoke flows into the partition 4 close to oil network 2
In smoke particle it is larger, blade 6 need to be arranged with biggish amplitude of fluctuation and two adjacent blades 6 it is biggish interval in oil smoke
The grease of larger particles is adsorbed, 6 amplitude of fluctuation of blade of middle position partition 4 and two adjacent blades 6 be arranged it is medium between
Every to be adsorbed to the medium grain in oil smoke, in 6 amplitude of fluctuation of blade close to partition 4 at 3 position of blower and two adjacent
Relatively closely spaced is arranged to adsorb to the smaller particle in oil smoke in blade 6.
Further, blade 6 with a thickness of 0.2mm to 1mm, structure is simple, design rationally, more preferably to guarantee oil smoke
Circulation area.
Specifically, it being covered with oleophobic hydrophobic coating on the surface of partition 4 and blade 6, structure is simple, and design is reasonable,
Intercepted grease and vapor can be made preferably to flow to avoid sticking on partition or blade.
Particularly, partition 4 with a thickness of 0.2mm to 2mm, design it is reasonable, ingenious, can be preferably to caused by blower
Noise is spaced.
In the present embodiment, blade 6 with a thickness of 0.2mm to 1mm, the thickness of more preferably blade 6 is set as 0.5mm, when
So also other more suitable thickness can be set by the thickness of blade 6 according to actual needs, and then avoid the thickness of blade 6 too thick
To reduce circulation area and increase the cost of product.Partition 4 and blade 6 is coated with oleophobic uniformly over the surface in the present embodiment
Hydrophobic coating, the grease and vapor that blade 6 can be made to be intercepted preferably flow to stick on partition 4 or blade 6.
Partition 4 in the present embodiment with a thickness of 0.2mm to 2mm, more preferably set 1mm for the thickness of partition 4 blower 3 is produced
Raw noise is obstructed by partition 4 so that noise generates reflection, and then reduce sound propagate downwards it is direct to avoid noise
The outside of smoke machine main body 1 is propagated to by oil network 2, reduces the noise experienced at human ear, and then improve the usage experience of user.
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 oil strain denoising structure of range hood, the range hood includes the smoke machine main body (1) with air inlet, in institute
The air inlet for stating smoke machine main body (1) is provided with oil network (2), is provided with blower (3), feature in the smoke machine main body (2)
It is, multiple partitions (4) is arranged at intervals between the oil network (2) and the blower (3), in the partition (4) and described
Ventilation opening (5) are formed between the side wall of smoke machine main body (2), and the partition (4) is obliquely installed.
2. a kind of oil strain denoising structure of range hood according to claim 1, which is characterized in that the partition (4) by
Side far from the ventilation opening (5) is past to be sloped downwardly setting close to the one of the ventilation opening (5).
3. a kind of oil strain denoising structure of range hood according to claim 2, which is characterized in that the partition (4)
Tilt angle is 3 ° to 10 °.
4. a kind of oil strain denoising structure of range hood according to claim 1, which is characterized in that in the partition (4)
Upper surface on be arranged at intervals with the grease that multiple blades (6) are suitable in interception oil smoke.
5. a kind of oil strain denoising structure of range hood according to claim 4, which is characterized in that the blade (6)
Cross section is in undaform, and the blade (6) wave amplitude on the partition (4) is from the oil network (2) toward the blower (3)
Direction is gradually reduced.
6. a kind of oil strain denoising structure of range hood according to claim 5, which is characterized in that on the partition (4)
The blade (6) spacing distance be gradually reduced from the oil network (2) toward the direction of the blower (3).
7. a kind of oil strain denoising structure of range hood according to claim 5, which is characterized in that blade (6) tool
There are trough and wave crest, forms transition wire, the angle between the transition wire and horizontal line between the trough and the wave crest
It is 30 ° to 60 °.
8. a kind of oil strain denoising structure of range hood according to claim 4, which is characterized in that the blade (6)
Cross section is of a straight line type, broken line type, shaped form or circular arc type.
9. according to a kind of oil strain denoising structure of any range hood of claim 4 to 8, which is characterized in that the leaf
Piece (6) with a thickness of 0.2mm to 1mm.
10. according to a kind of oil strain denoising structure of any range hood of claim 4 to 8, which is characterized in that it is described every
Oleophobic hydrophobic coating is covered on the surface of plate (4) and the blade (6).
11. a kind of oil strain denoising structure of range hood according to any one of claims 1 to 8, which is characterized in that it is described every
Plate (4) with a thickness of 0.2mm to 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373262.5A CN110131765A (en) | 2019-05-06 | 2019-05-06 | Oil filtering and noise reducing structure of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373262.5A CN110131765A (en) | 2019-05-06 | 2019-05-06 | Oil filtering and noise reducing structure of range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110131765A true CN110131765A (en) | 2019-08-16 |
Family
ID=67576339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910373262.5A Pending CN110131765A (en) | 2019-05-06 | 2019-05-06 | Oil filtering and noise reducing structure of range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131765A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294819A (en) * | 2021-05-31 | 2021-08-24 | 华帝股份有限公司 | Fume exhaust fan |
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|---|---|---|---|---|
| US20030146082A1 (en) * | 2002-01-16 | 2003-08-07 | Ventmaster (Europe) Ltd. | Ultra violet lamp ventilation system method and apparatus |
| CN2646595Y (en) * | 2003-08-01 | 2004-10-06 | 李建华 | Kitchen air flow type smoke exhaust ventilator |
| CN2727593Y (en) * | 2004-08-17 | 2005-09-21 | 刘伃乘 | Smoke filter capable of filtering fume |
| CN202052452U (en) * | 2011-02-24 | 2011-11-30 | 杨金昌 | Oil smoke water washing device |
| CN105268249A (en) * | 2014-06-20 | 2016-01-27 | 宁波方太厨具有限公司 | Oil smoke filtering device |
| 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 |
| CN205991536U (en) * | 2016-08-30 | 2017-03-01 | 陈斌 | A kind of environmental protective oil fume extraction apparatus |
| CN206073200U (en) * | 2016-09-22 | 2017-04-05 | 美的集团股份有限公司 | Fume purifier of fume and lampblack absorber |
| CN211060194U (en) * | 2019-05-06 | 2020-07-21 | 华帝股份有限公司 | Oil filtering and noise reducing structure of range hood |
-
2019
- 2019-05-06 CN CN201910373262.5A patent/CN110131765A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030146082A1 (en) * | 2002-01-16 | 2003-08-07 | Ventmaster (Europe) Ltd. | Ultra violet lamp ventilation system method and apparatus |
| CN2646595Y (en) * | 2003-08-01 | 2004-10-06 | 李建华 | Kitchen air flow type smoke exhaust ventilator |
| CN2727593Y (en) * | 2004-08-17 | 2005-09-21 | 刘伃乘 | Smoke filter capable of filtering fume |
| CN202052452U (en) * | 2011-02-24 | 2011-11-30 | 杨金昌 | Oil smoke water washing device |
| CN105268249A (en) * | 2014-06-20 | 2016-01-27 | 宁波方太厨具有限公司 | Oil smoke filtering device |
| 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 |
| CN205991536U (en) * | 2016-08-30 | 2017-03-01 | 陈斌 | A kind of environmental protective oil fume extraction apparatus |
| CN206073200U (en) * | 2016-09-22 | 2017-04-05 | 美的集团股份有限公司 | Fume purifier of fume and lampblack absorber |
| CN211060194U (en) * | 2019-05-06 | 2020-07-21 | 华帝股份有限公司 | Oil filtering and noise reducing structure of range hood |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294819A (en) * | 2021-05-31 | 2021-08-24 | 华帝股份有限公司 | Fume exhaust fan |
| CN113294819B (en) * | 2021-05-31 | 2022-12-06 | 华帝股份有限公司 | Fume exhaust fan |
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