CN211060194U - Oil filtering and noise reducing structure of range hood - Google Patents
Oil filtering and noise reducing structure of range hood Download PDFInfo
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- CN211060194U CN211060194U CN201920636870.6U CN201920636870U CN211060194U CN 211060194 U CN211060194 U CN 211060194U CN 201920636870 U CN201920636870 U CN 201920636870U CN 211060194 U CN211060194 U CN 211060194U
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- range hood
- oil
- noise reducing
- reducing structure
- partition plate
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- 238000001914 filtration Methods 0.000 title claims description 19
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims description 52
- 239000004519 grease Substances 0.000 claims description 17
- 239000003517 fume Substances 0.000 claims description 6
- 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
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 description 24
- 239000002245 particle Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 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
- 230000001902 propagating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a structure of making an uproar falls in range hood's oil strain, range hood is including the cigarette machine main part that has the air intake department is provided with the oil net be provided with the fan in the cigarette machine main part the oil net with the interval is provided with the polylith baffle between the fan the baffle with form the vent between the lateral wall of cigarette machine main part, just the baffle is that the slope sets up. The structure is simple, and the noise reduction performance of the range hood can be effectively improved.
Description
Technical Field
The utility model relates to a kitchen electricity technical field especially relates to a structure of making an uproar falls in oil strain of range hood.
Background
In the correlation technique, most range hoods generally are through the structure that adopts the oil smoke filter screen with the grease in the filtration oil smoke, but the condensation area of contact is little and the time is short when the oil smoke passes through, is difficult to effectively intercept the oil smoke, for improving oil smoke interception effect, goes out current little mesh and multilayer oil net isotructure again, but like this can make the through-hole rate of oil net reduce, reduce the air inlet area again to produce the influence to amount of wind, noise, and be unfavorable for the washing of oil net again.
The oil fume discharge of the range hood is one of the important core indexes of environmental protection, how to reduce the oil fume entering the interior of the impeller of the range hood (namely, reducing the cleaning difficulty and frequency) and the oil fume discharge are the more and more concerned demand points of users, and the quality of the oil fume separation performance of the range hood can be said to be a big key factor of the product competitiveness.
Meanwhile, along with the improvement of the requirements of people on the living quality, when a user selects and purchases the range hood, the user pays more and more attention to the noise parameter of the range hood, and the quality of the noise performance of the range hood can be said to be another key factor of the product competitiveness.
Disclosure of Invention
The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model provides a structure of making an uproar falls in range hood's oil strain, its simple structure can effectively improve range hood's the performance of making an uproar of falling.
The above purpose is realized by the following technical scheme:
the utility model provides a structure of making an uproar falls in oil strain of range hood, range hood is including the cigarette machine main part that has the air intake be provided with the fan in the cigarette machine main part the oil net with the interval is provided with the polylith baffle between the fan the baffle with form the vent between the lateral wall of cigarette machine main part, just the baffle is the slope setting.
In some embodiments, the baffle plate is inclined downward from a side away from the vent opening to a side close to the vent opening.
In some embodiments, the baffle is inclined at an angle of 3 ° to 10 °.
In some embodiments, a plurality of vanes are spaced on an upper surface of the partition to be adapted to intercept grease in the cooking fumes.
In some embodiments, the cross section of the blade is wave-shaped, and the wave amplitude of the blade on the baffle is gradually reduced from the oil net to the direction of the fan.
In some embodiments, the blade spacing distance on the partition decreases from the oil net to the direction of the fan.
In some embodiments, the blade has a trough and a peak, a transition line is formed between the trough and the peak, and the angle between the transition line and the horizontal is 30 ° to 60 °.
In some embodiments, the blade has a linear, a polygonal, a curved or an arc cross-section.
In some embodiments, the blade has a thickness of 0.2mm to 1 mm.
In some embodiments, the surfaces of the partition and the blade are coated with an oleophobic and hydrophobic coating.
In some embodiments, the thickness of the separator is 0.2mm to 2 mm.
Compared with the prior art, the utility model discloses an at least including following beneficial effect:
1. the utility model discloses the structure of making an uproar falls in range hood oil strain of control, its simple structure can effectively improve the performance of making an uproar falls of range hood.
2. The oil-fat separation performance of the range hood can be further improved, and the oil-smoke purification efficiency is effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of an oil filtering and noise reducing structure of a range hood in an embodiment of the present invention;
FIG. 2 is a sectional view of an oil filtering and noise reducing structure of a range hood according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of an oil filtering and noise reducing structure of a range hood according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a blade in an embodiment of the present invention.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.
As shown in fig. 1 to 4, the present embodiment provides an oil filtering and noise reducing structure of a range hood, the range hood includes a range hood main body 1 having an air inlet, an oil screen 2 is disposed at the air inlet of the range hood main body 1, a fan 3 is disposed in the range hood main body 1, a plurality of partition plates 4 are disposed between the oil screen 2 and the fan 3 at intervals, a vent 5 is formed between the partition plates 4 and the side wall of the range hood main body 2, and the partition plates 4 are obliquely disposed.
In this embodiment, the range hood includes a range hood body 1, an air inlet is opened at the bottom of the range hood body 1 for allowing external oil smoke to enter the range hood body 1 through an oil screen 2, a fan 3 is installed inside the range hood body 1, the fan 3 works to guide the external oil smoke into the range hood body 1, a plurality of partition plates 4 are arranged in the range hood body 1 and between the oil screen 2 and the fan 3 at intervals for blocking noise generated by the fan 3, so that the noise is reflected, further, downward propagation of sound is reduced to avoid the noise from being directly propagated to the outside of the range hood body 1 through the oil screen 2, fixing ends of the partition plates 4 are arranged on the inner side wall of the range hood body 1, the free ends extend in the opposite direction of the fixing ends of the partition plates 4 to form ventilation openings 5 between the free ends of the partition plates 4 and the inner side wall of the range hood body 1, and the partition plates, thereby ensuring that the range hood has strong wind power and further improving the fluidity of the grease on the partition plate 4. The number of piles of baffle 4 in this embodiment sets up to four more preferably, but is not limited to four layers, still can select other more suitable numbers of piles for use according to actual need, as long as make the interval of realization sound that range hood can be better, if 4 numbers of piles of baffle set up less then noise reduction effect is not obvious, if 4 numbers of piles of baffle set up more then increased the resistance that air flows in the cigarette machine main part 1, and then the amount of wind influence to range hood is great.
Further, baffle 4 is by keeping away from one side of vent 5 toward the one side downward sloping setting that is close vent 5, its simple structure, and reasonable in design can let the grease that the baffle intercepted flow down through the effect of gravity, prevents that the grease from being detained inside the cigarette machine.
Specifically, the inclination angle of the partition plate 4 is 3-10 degrees, the design is reasonable and ingenious, and the range hood can ensure the air quantity and facilitate the grease to flow from top to bottom at the same time.
In this embodiment, the partition board 4 is arranged from the fixed end to the free end of the fixed end in a downward inclination manner, that is, in the vertical direction in the cigarette machine body 1, the installation height of the fixed end of the partition board 4 is greater than that of the free end of the partition board 4, and the partition board 4 can also be arranged in a proper inclination direction according to actual needs. In this embodiment, the inclination angle of the partition plate 4 is 3 ° to 10 °, more preferably, the inclination angle of the partition plate 4 is 5 °, so long as the range hood ensures the fluidity of the grease on the partition plate 4.
Preferably, a plurality of blades 6 are arranged on the upper surface of the partition plate 4 at intervals so as to be suitable for intercepting grease in the oil smoke, the structure is simple, and the oil smoke can be effectively adsorbed, so that the performance of filtering the oil smoke is improved.
Preferably, the cross section of the blade 6 is in a wave shape, the wave amplitude of the blade 6 on the partition plate 4 is gradually reduced from the oil screen 2 to the fan 3, the design is reasonable, the contact area between the blade and the oil smoke can be increased, and the performance of absorbing the oil smoke is further improved.
Preferably, the spacing distance between the blades 6 on the partition plate 4 is gradually reduced from the oil net 2 to the fan 3, the design is reasonable, and the contact area between the blades and the oil smoke can be further increased.
Furthermore, the blade 6 is provided with a wave trough and a wave crest, a transition line is formed between the wave trough and the wave crest, an included angle between the transition line and a horizontal line is 30-60 degrees, the design is reasonable and ingenious, and the flow resistance of the range hood can be further reduced.
Specifically, the cross section of the blade 6 is linear, broken line, curved or arc, and the blade is simple in structure and reasonable in design.
In this embodiment, a plurality of blades 6 are arranged on the upper surface of the partition plate 4 at intervals so as to be suitable for intercepting grease in oil smoke, the blades 6 are extended from the fixed end of the partition plate 4 to the free end direction to form 6 so as to improve the fluidity of the range hood, on the upper surface of the partition plate 4, the blades 6 are arranged at intervals so as to form a channel between two adjacent blades 6, and further the oil smoke passes through the channel to filter the grease in the oil smoke, the cross section of each blade 6 is wavy, but not limited to, the shape of the blade 6 is also linear, broken line, curved or circular arc, and the shape of the blade can be set to be suitable according to actual needs. In this embodiment, when the cross section of the blade 6 is wavy, and the partition plate 4 is sequentially provided with four layers of partition plates from the oil net 2 to the fan 3, wherein the swing amplitude of the blade 6 arranged on each layer of partition plate 4 is different from the spacing distance between two adjacent blades 6, and the size of the grease molecules adsorbed by each layer of partition plate 4 is different, and the layer-by-layer separation of large, medium and small grease particles can be better realized by adopting a layer-by-layer advancing and layer-by-layer filtering mode, so as to improve the grease adsorption capability of the range hood, the wave amplitude of the blade 6 on the partition plate 4 at the position close to the oil net 2 is the largest, the wave amplitude of the blade 6 on the partition plate 4 at the position close to the fan 3 is the smallest, that is, the wave amplitude of the blade 6 on the partition plate 4 is gradually reduced from the oil net 2 to the fan 3, and the spacing distance between the blades 6 on the partition, the distance between the blades 6 on the partition plate 4 at the position close to the fan 3 is the minimum, namely, the distance between the blades 6 on the partition plate 4 is gradually reduced from the oil net 2 to the direction of the fan 3, the partition plate 4 close to the oil net 2 is the position where the oil smoke flows in, at the moment, the oil smoke particles in the oil smoke are large, the blades 6 need to use a large swing amplitude and two adjacent blades 6 to set a large interval to adsorb the grease with large particles in the oil smoke, the swing amplitude of the blades 6 of the partition plate 4 at the middle position and two adjacent blades 6 to set a medium interval to adsorb medium particles in the oil smoke, and the swing amplitude of the blades 6 of the partition plate 4 at the position close to the fan 3 and two adjacent blades 6 to set a small interval to adsorb the small particles in the oil smoke.
Furthermore, the thickness of the blade 6 is 0.2mm to 1mm, the structure is simple, the design is reasonable, and the flow area of the oil smoke is better ensured.
Specifically, the surfaces of the partition plate 4 and the blade 6 are respectively covered with an oleophobic and hydrophobic coating, the structure is simple, the design is reasonable, and the intercepted grease and vapor can better flow to avoid being adhered to the partition plate or the blade.
Particularly, the thickness of the partition plate 4 is 0.2mm to 2mm, the design is reasonable and ingenious, and the partition plate can better separate the noise generated by the fan.
In this embodiment, the thickness of the blade 6 is 0.2mm to 1mm, and more preferably, the thickness of the blade 6 is set to 0.5mm, and of course, the thickness of the blade 6 can also be set to other suitable thicknesses according to actual needs, so as to avoid that the thickness of the blade 6 is too thick to reduce the flow area and increase the cost of the product. In this embodiment, the surfaces of the partition board 4 and the blade 6 are uniformly sprayed with the oleophobic and hydrophobic coating, so that grease and water vapor intercepted by the blade 6 can flow better to avoid being adhered to the partition board 4 or the blade 6. The thickness of baffle 4 in this embodiment is 0.2mm to 2mm, sets up the thickness of baffle 4 to 1mm more preferably and carries out the separation through baffle 4 with the produced noise of fan 3 for the noise produces the reflection, and then reduces the outside that sound downwardly propagating in order to avoid the noise directly to propagate to cigarette machine main part 1 through oil net 2, reduces the noise that people's ear department experienced, and then improves user's use and experiences.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (11)
1. The utility model provides a structure of making an uproar falls in oil strain of range hood, range hood is including the cigarette machine main part (1) that has the air intake department of cigarette machine main part (1) is provided with oil screen (2) be provided with fan (3) in the cigarette machine main part (1), its characterized in that oil screen (2) with interval is provided with polylith baffle (4) between fan (3) baffle (4) with form vent (5) between the lateral wall of cigarette machine main part (1), just baffle (4) are the slope and set up.
2. The oil filtering and noise reducing structure of the range hood according to claim 1, wherein the partition plate (4) is inclined downward from a side away from the ventilation opening (5) to a side close to the ventilation opening (5).
3. The oil filtering and noise reducing structure of the range hood according to claim 2, wherein the inclination angle of the partition plate (4) is 3 ° to 10 °.
4. The oil filtering and noise reducing structure of the range hood according to claim 1, wherein a plurality of blades (6) are arranged on the upper surface of the partition plate (4) at intervals to intercept grease in the oil fume.
5. The oil filtering and noise reducing structure of the range hood according to claim 4, wherein the cross section of the blade (6) is in a wave shape, and the wave amplitude of the blade (6) on the partition plate (4) is gradually reduced from the oil screen (2) to the direction of the fan (3).
6. The oil filtering and noise reducing structure of the range hood according to claim 5, wherein the distance between the blades (6) on the partition plate (4) is gradually reduced from the oil screen (2) to the fan (3).
7. The oil filtering and noise reducing structure of the range hood according to claim 5, wherein the vane (6) has a wave trough and a wave crest, a transition line is formed between the wave trough and the wave crest, and an included angle between the transition line and a horizontal line is 30-60 degrees.
8. The oil filtering and noise reducing structure of the range hood according to claim 4, wherein the cross section of the blade (6) is linear, broken line, curved or arc.
9. The oil filtering and noise reducing structure of the range hood according to any one of claims 4 to 8, wherein the thickness of the blade (6) is 0.2mm to 1 mm.
10. The oil filtering and noise reducing structure of the range hood according to any one of claims 4 to 8, wherein the surfaces of the partition plate (4) and the blades (6) are coated with an oleophobic and hydrophobic coating.
11. The oil filtering and noise reducing structure of the range hood according to any one of claims 1 to 8, wherein the thickness of the partition plate (4) is 0.2mm to 2 mm.
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CN201920636870.6U CN211060194U (en) | 2019-05-06 | 2019-05-06 | Oil filtering and noise reducing structure of range hood |
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CN201920636870.6U CN211060194U (en) | 2019-05-06 | 2019-05-06 | Oil filtering and noise reducing structure of range hood |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110131765A (en) * | 2019-05-06 | 2019-08-16 | 华帝股份有限公司 | Oil filtering and noise reducing structure of range hood |
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CN110131765A (en) * | 2019-05-06 | 2019-08-16 | 华帝股份有限公司 | Oil filtering and noise reducing structure of range hood |
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