CN211260912U - Noise-reduction range hood - Google Patents
Noise-reduction range hood Download PDFInfo
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- CN211260912U CN211260912U CN201921112401.0U CN201921112401U CN211260912U CN 211260912 U CN211260912 U CN 211260912U CN 201921112401 U CN201921112401 U CN 201921112401U CN 211260912 U CN211260912 U CN 211260912U
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- silencing
- noise
- range hood
- component
- wind cabinet
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Abstract
The utility model discloses a noise-reduction range hood, the range hood main body is provided with a wind cabinet component, a volute component and a silencing component for actively eliminating noise, the wind cabinet component is assembled in the range hood main body, the volute component is arranged in the wind cabinet component, the volute component is provided with an air inlet, the silencing component is arranged in the wind cabinet component and faces the air inlet of the volute component, the wind cabinet component is provided with a wind cabinet front sealing plate, the wind cabinet front sealing plate is arranged on the front side of the wind cabinet component, the silencing component is arranged on the side opposite to the volute component with the wind cabinet front sealing plate, the silencing component is provided with silencing cotton and a silencing plate, the silencing plate is fixedly connected with the wind cabinet front sealing plate, and the silencing cotton is positioned between the wind cabinet front sealing plate; the noise reduction effect can be submitted greatly, the sound absorption effect is utilized to realize the initiative noise reduction of the range hood, the range hood is simple and reliable, the installation is simple, the noise reduction on the performance basis is not influenced, and the user experience is increased.
Description
Technical Field
The utility model relates to a lampblack absorber technical field, in particular to lampblack absorber of making an uproar falls.
Background
The range hood is a kitchen appliance for purifying the kitchen environment, and can quickly exhaust waste gas generated by combustion of a gas stove and oil smoke generated in the cooking process and discharge the waste gas and the oil smoke outdoors so as to achieve the purpose of purifying the kitchen environment. The range hood can produce the noise in the course of the work, the main reason that this noise produced is because: the motor works to drive the impeller to rotate, and the impeller cuts air in the rotating process, so that the air impacts on the inner wall of the volute and noise is generated.
In the prior art, the technology for reducing the noise of the range hood is a passive mode, an air channel is optimized by adopting an aerodynamic method, or the performance of oil smoke absorption of the range hood is sacrificed to realize low noise, but the oil smoke absorption effect is greatly reduced.
Therefore, aiming at the defects of the prior art, the noise-reduction range hood is necessary to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defect among the prior art, the utility model provides a lampblack absorber of making an uproar falls is provided with the amortization subassembly, the amortization subassembly sets up in the wind cabinet subassembly and to the air intake of spiral case subassembly, can submit the noise reduction effect greatly, utilize the amortization subassembly to inhale the sound effect, realize the initiative of lampblack absorber and fall the noise, and is simple and reliable, the installation is simple, do not influence the noise reduction on the performance basis, increase user experience, and the amortization subassembly is favorable to accelerating the rising of air current for carving the shape structure, and guide the air current more smoothly to get into the air intake of spiral.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a noise reduction type range hood is characterized in that a hood assembly, a volute assembly and a noise reduction assembly for eliminating noise are arranged on a range hood body;
the air cabinet assembly is assembled on the cigarette machine main body, the volute component is arranged in the air cabinet assembly, the volute component is provided with an air inlet, and the silencing component is arranged in the air cabinet assembly and faces the air inlet of the volute component;
the silencing component is arranged to be of a wedge-shaped structure.
In order to further realize the utility model discloses, the wind cabinet subassembly is provided with shrouding before the wind cabinet, the shrouding sets up in the wind cabinet subassembly openly before the wind cabinet.
In order to further realize the utility model discloses, the setting of amortization subassembly and the preceding shrouding of wind cabinet are in the one side that the spiral case subassembly is relative.
In order to further realize the utility model discloses, the amortization subassembly is provided with the amortization cotton and acoustical panel, the acoustical panel with shrouding fixed connection before the wind cabinet, the amortization cotton is located before the wind cabinet between shrouding and the acoustical panel.
In order to further realize the utility model, the silencing plate is provided with 2000-8000 silencing holes, and the aperture of the silencing hole is 0.5-5 mm.
In order to further realize the utility model discloses, the acoustical panel is provided with 3000 and gives up 7000 sound damping holes, the aperture of sound damping hole is 0.5-5 mm.
In order to further realize the utility model, the silencing plate is provided with 5600 silencing holes,
in order to further realize the utility model discloses, the amortization is cotton for porous rubber amortization.
In order to further realize the utility model discloses, the amortization is cotton for the foam metal amortization.
In order to further realize the utility model discloses, acoustical panel and acoustical panel are wedge structure.
Advantageous effects
The utility model relates to a lampblack absorber of making an uproar falls is provided with the amortization subassembly, and the amortization subassembly sets up in the wind cabinet subassembly and to the air intake of spiral case subassembly, can submit noise reduction effect greatly, utilizes the amortization subassembly to inhale the sound effect, realizes making an uproar falling of lampblack absorber, and is simple reliable, and the installation is simple, does not influence noise reduction on the performance basis, increases user experience, and the amortization subassembly is favorable to accelerating the rising of air current for carving the shape structure to the air intake that the guide air current more smoothly got into spiral case subassembly.
Drawings
Fig. 1 is a schematic structural view of a noise reduction type lighting device in a range hood according to the present invention;
fig. 2 is a schematic structural view of a wind cabinet assembly of a noise reduction type range hood of the present invention;
fig. 3 is an exploded view of the noise reduction assembly and the front sealing plate of the present invention.
Fig. 1 to 3 include:
a cigarette machine main body 1;
a wind cabinet assembly 2;
a front sealing plate 21 of the wind cabinet;
a volute assembly 3;
an air inlet 31;
a silencing component 4;
the sound-deadening plate 42.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the invention.
Example 1
As shown in fig. 1-3, the utility model provides a noise reduction type range hood, which is provided with a range hood main body 1, wherein the range hood main body 1 is provided with a wind cabinet assembly 2, a volute assembly 3 and a silencing assembly 4;
The silencing assembly is arranged to be of a wedge-shaped structure, so that the ascending of the airflow is accelerated, and the airflow is guided to enter the air inlet of the volute assembly more smoothly.
The wind cabinet component 2 is provided with a wind cabinet front sealing plate 21, and the wind cabinet front sealing plate 21 is arranged on the front side of the wind cabinet component 2.
It should be noted that the front surface of the wind cabinet assembly 2 is the surface of the wind cabinet which is right opposite to the person standing beside the cooking bench.
The wind cabinet assembly 2 is made by the prior art, and the wind cabinet assembly 2 is well known to those skilled in the art and will not be described herein.
The volute component 3 is arranged in the air cabinet component 2, and the silencing component 4 is arranged on one surface of the front sealing plate 21 of the air cabinet, which is opposite to the volute component 3.
It should be noted that the volute assembly 3 is prior art and will not be described herein.
The silencing assembly 4 is provided with silencing cotton 41 and a silencing plate 42, the silencing plate 42 is fixedly connected with the front sealing plate 21 of the wind cabinet, and the silencing cotton 41 is positioned between the front sealing plate 21 of the wind cabinet and the silencing plate 42.
The silencing cotton 41 is porous rubber silencing cotton, the silencing effect is good, the sound absorption coefficient reaches 0.94 within the noise range of 125-4000HZ, and the silencing cotton 41 is of a wedge-shaped structure and can be better matched with the space between the volute component 3 and the front sealing plate 21 of the air cabinet.
The sound-deadening plate 42 is a wedge-shaped structure matched with the sound-deadening cotton 41, the sound-deadening plate 42 is provided with 2000 and 8000 sound-deadening holes, the aperture of each sound-deadening hole is 0.5-5mm, and in the embodiment, the sound-deadening plate 42 is provided with 5600 sound-deadening holes.
The utility model relates to a lampblack absorber of making an uproar falls, be provided with the amortization subassembly, the amortization subassembly is provided with the amortization cotton and acoustical panel, shrouding fixed connection before acoustical panel and the wind cabinet, the amortization cotton is located between shrouding and the acoustical panel before the wind cabinet, shrouding is installed in the wind cabinet subassembly before the wind cabinet openly makes the acoustical panel set up in the wind cabinet subassembly and facing to the air intake of spiral case subassembly, can improve the noise reduction effect greatly, utilize the amortization subassembly to inhale the sound effect, realize falling of making an uproar of lampblack absorber, and is simple and reliable, and the installation is.
Example 2
The utility model provides a lampblack absorber of making an uproar falls, other characteristics are the same with embodiment 1, and the difference is, in this embodiment, acoustical panel 42 is provided with 3000 give sound together 7000 sound holes, and the aperture of sound hole is 0.5-5 mm.
Compared with embodiment 1, this embodiment increases the number range of the muffling holes, and makes them more diversified.
The utility model relates to a lampblack absorber of making an uproar falls, be provided with the amortization subassembly, the amortization subassembly is provided with the amortization cotton and acoustical panel, shrouding fixed connection before acoustical panel and the wind cabinet, the amortization cotton is located between shrouding and the acoustical panel before the wind cabinet, shrouding is installed in the wind cabinet subassembly before the wind cabinet openly makes the acoustical panel set up in the wind cabinet subassembly and facing to the air intake of spiral case subassembly, can improve the noise reduction effect greatly, utilize the amortization subassembly to inhale the sound effect, realize making an uproar falls in the initiative of lampblack absorber, and is simple and reliable, and the installation.
Example 3
The utility model provides a lampblack absorber of making an uproar falls, other characteristics are the same with embodiment 1, and the difference is, in this embodiment, acoustical panel 42 is provided with 4300-.
The utility model relates to a lampblack absorber of making an uproar falls, be provided with the amortization subassembly, the amortization subassembly is provided with the amortization cotton and acoustical panel, shrouding fixed connection before acoustical panel and the wind cabinet, the amortization cotton is located between shrouding and the acoustical panel before the wind cabinet, shrouding is installed in the wind cabinet subassembly before the wind cabinet openly makes the acoustical panel set up in the wind cabinet subassembly and facing to the air intake of spiral case subassembly, can improve the noise reduction effect greatly, utilize the amortization subassembly to inhale the sound effect, realize making an uproar falls in the initiative of lampblack absorber, and is simple and reliable, and the installation.
Example 4
The utility model provides a range hood of making an uproar falls, other characteristics are the same with embodiment 1, the difference is, in this embodiment, amortization cotton 41 is foam metal amortization cotton, and foam metal possess density little, the heat-proof quality is good, the sound insulation performance is good and can absorb the advantage of electromagnetic wave, the noise that the absorption range hood that can be better produced.
Specifically, in this embodiment, foam metal amortization is cotton can be foam aluminium amortization cotton, has to inhale that sound performance is good, the heat-proof quality is good, the damping is effectual, absorb the advantage that impact energy is strong and electromagnetic shielding performance is good, can improve the noise reduction effect greatly.
Compared with the embodiment 1, the amortization cotton of this embodiment is foam metal amortization cotton, and noise cancelling effect is better, and compromise the advantage that the heat-proof quality is good and can absorb the electromagnetic wave, further optimizes the performance of lampblack absorber.
The above is only the preferred embodiment of the present invention, the present invention is not limited to the above embodiment, there may be local minor structural modification in the implementation process, if it is right that various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, and belong to the claims and the equivalent technical scope of the present invention, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. A noise reduction type range hood is provided with a range hood main body and is characterized in that the range hood main body is provided with a wind cabinet assembly, a volute assembly and a noise reduction assembly for eliminating noise;
the air cabinet assembly is assembled on the cigarette machine main body, the volute component is arranged in the air cabinet assembly, the volute component is provided with an air inlet, and the silencing component is arranged in the air cabinet assembly and faces the air inlet of the volute component;
the silencing component is arranged to be of a wedge-shaped structure.
2. The noise-reducing range hood according to claim 1, wherein the hood assembly is provided with a hood front seal plate, and the hood front seal plate is arranged on the front face of the hood assembly.
3. The noise-reducing range hood according to claim 2, wherein the muffler assembly is disposed on a face of the front hood plate opposite the volute assembly.
4. The noise-reducing range hood according to claim 2, wherein the silencing assembly is provided with silencing cotton and a silencing plate, the silencing plate is fixedly connected with the front sealing plate of the wind cabinet, and the silencing cotton is located between the front sealing plate of the wind cabinet and the silencing plate.
5. The noise-reduction range hood according to claim 4, wherein the silencing plate is provided with 2000 and 8000 silencing holes, and the diameter of each silencing hole is 0.5-5 mm.
6. The noise-reduction range hood according to claim 4, wherein the silencing plate is provided with 3000 and 7000 silencing holes, and the diameter of each silencing hole is 0.5-5 mm.
7. The noise-reducing range hood according to any one of claims 5 or 6, wherein the silencing plate is provided with 5600 silencing holes.
8. The noise-reducing range hood according to claim 4, wherein the noise-reducing cotton is porous rubber noise-reducing cotton.
9. The noise-reducing range hood according to claim 4, wherein the noise-reducing cotton is foamed metal noise-reducing cotton.
10. The noise-reducing range hood according to claim 4, wherein the sound-absorbing plate and the sound-absorbing cotton are both wedge-shaped structures.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019208634728 | 2019-06-10 | ||
| CN201920863472 | 2019-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211260912U true CN211260912U (en) | 2020-08-14 |
Family
ID=70937484
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921112401.0U Active CN211260912U (en) | 2019-06-10 | 2019-07-16 | Noise-reduction range hood |
| CN201921111593.3U Active CN210717731U (en) | 2019-06-10 | 2019-07-16 | Noise-reduction range hood |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921111593.3U Active CN210717731U (en) | 2019-06-10 | 2019-07-16 | Noise-reduction range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN211260912U (en) |
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2019
- 2019-07-16 CN CN201921112401.0U patent/CN211260912U/en active Active
- 2019-07-16 CN CN201921111593.3U patent/CN210717731U/en active Active
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| Publication number | Publication date |
|---|---|
| CN210717731U (en) | 2020-06-09 |
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