CN209743255U - Range hood wind cabinet and range hood - Google Patents
Range hood wind cabinet and range hood Download PDFInfo
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- CN209743255U CN209743255U CN201822040614.9U CN201822040614U CN209743255U CN 209743255 U CN209743255 U CN 209743255U CN 201822040614 U CN201822040614 U CN 201822040614U CN 209743255 U CN209743255 U CN 209743255U
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Abstract
The utility model provides a range hood wind cabinet and range hood, wherein range hood includes: the air cabinet component is of a dense microporous structure and is provided with an installation space surrounding the fan; and the sound absorption layer is of a layered structure made of sound absorption materials and covers the periphery and the top of the air cabinet component. The utility model discloses when the noise takes place, inside the sound wave deepened the material along tiny hole, in the transmission process, refraction many times takes place for the sound wave to take place the friction with the material, the acoustic energy turns into heat energy, reaches sound absorbing effect, avoids the noise to reflect out range hood's outside through the cavity of wind cabinet subassembly simultaneously, can effectively reduce various noises, improves user experience.
Description
Technical Field
The utility model relates to a kitchen appliances technical field, concretely relates to range hood wind cabinet and range hood.
Background
With the rapid development of social economy, people pay more and more attention to the improvement of life quality, and the requirements for living homes are continuously improved. In daily life, the range hood is one of indispensable kitchen appliances, effectively solves the problem of kitchen air quality, and improves the life quality of people.
however, the generation of noise during the operation of the range hood is inevitable. The fan system of the existing range hood is a main noise source and consists of a plurality of common noise sources, including aerodynamic noise, electromagnetic noise, mechanical noise and bearing noise. Solving the noise problem becomes a key breakthrough direction for the development of the range hood. In view of this, the prior art provides a noise-reduction range hood, which includes a cabinet and a smoke-collecting hood, wherein a volute is arranged in the cabinet, an impeller and a motor are arranged in the volute, a front air inlet and a rear air inlet are arranged on the volute, a front plate and a rear plate of the cabinet respectively face the front air inlet and the rear air inlet of the volute, silencing devices are arranged on the front plate and the rear plate of the cabinet, each silencing device includes a silencing plate and a built-in silencing cotton, and the area of the silencing plate is larger than the area of the air inlet of the volute facing the.
Although the above-mentioned patent can play the effect of noise reduction, just only set up to aerodynamic noise to the design of preceding air inlet and back air outlet, can't effectively reduce other types of noise, and the noise reduction is limited. And aerodynamic noise is propagated to the cavity of the air cabinet component through the air inlet and the air outlet, a large amount of noise is reflected out of the range hood through the cavity of the air cabinet component, and aerodynamic noise cannot be well reduced.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming only to the setting of aerodynamic noise among the prior art, can't effectively reduce the noise of other types, and the noise reduction is limited, also can't better defects such as reduction to the aerodynamic noise to a range hood wind cabinet and range hood are provided.
The utility model provides a pair of range hood wind cabinet, include:
The air cabinet component is of a dense microporous structure and is provided with an installation space surrounding the fan;
and the sound absorption layer is of a layered structure made of sound absorption materials and covers the periphery and the top of the air cabinet component.
Optionally, the air cabinet assembly comprises an air cabinet enclosing plate, an air cabinet back plate and an air cabinet top plate, the air cabinet enclosing plate is a U-shaped plate, and the air cabinet back plate covers an opening of the U-shaped plate; the top plate of the air cabinet covers the top of the U-shaped plate, and a top plate opening is formed in the position corresponding to the air outlet of the fan.
Optionally, the U-shaped plate includes the intermediate lamella with the both sides board of intermediate lamella both ends relative position, the intermediate lamella is provided with the maintenance windowing, the wind cabinet subassembly still including cover in maintain the wind cabinet apron of windowing.
Optionally, the air cabinet back plate and the air cabinet top plate are connected with the air cabinet coaming through welding or riveting; the wind cabinet cover plate is fixedly arranged on the wind cabinet coaming through screws.
Optionally, the fan is fixedly installed on the top plate of the wind cabinet and the back plate of the wind cabinet.
Optionally, a plurality of microporous structures are hermetically arranged on the wind cabinet assembly, and the microporous structures are round holes, square holes, elliptical holes and/or rhombic holes; the arrangement of the microporous structures is alignment, staggering, fixed spacing and/or variable spacing.
Optionally, the sound absorbing layer is arranged by wrapping the peripheral sound absorbing layer around the air cabinet assembly and the top plate sound absorbing layer arranged on the top of the air cabinet assembly in a covering manner, and the top plate sound absorbing layer corresponds to the air outlet of the fan and is provided with an air outlet opening.
Optionally, the sound-absorbing material is sound-absorbing cotton, multi-component foam, glass fiber and/or foam plastic.
Optionally, the sound absorbing material of the sound absorbing layer is mounted on the wind cabinet component through clamping, buckling and/or pasting.
the utility model discloses provide a range hood simultaneously, including above-mentioned arbitrary range hood wind cabinet.
The utility model discloses technical scheme has following advantage:
the utility model provides a pair of range hood wind cabinet, its wind cabinet subassembly is intensive microporous structure, reach the sound absorbing layer that sound absorbing material made all around and the top installation, inside the sound wave deepened the material along tiny hole, in the propagation process, refraction many times takes place for the sound wave to take place the friction with the material, sound energy turns into heat energy, reach the sound absorbing effect, avoid the noise to reflect out range hood's outside through the cavity of wind cabinet subassembly simultaneously, can effectively reduce various noises, improve user experience. And because the sound-absorbing material is generally an elastic material, the sound-absorbing material can partially absorb shock and avoid the damage and deformation caused by the hard contact between the outer decorative plate and the box body.
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of a wind cabinet of a range hood provided in a first embodiment of the present invention;
Fig. 2 is an assembly schematic diagram of the range hood cabinet shown in fig. 1.
Description of reference numerals:
1-wind cabinet top plate, 2-top plate sound absorption layer, 3-wind cabinet back plate, 4-wind cabinet coaming plate, 5-fan, 6-peripheral sound absorption layer, 7-wind cabinet cover plate and 8-maintenance windowing.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 to 2 illustrate an embodiment of a wind cabinet of a range hood provided by the present invention.
The wind cabinet of the range hood comprises a wind cabinet coaming plate 4, a wind cabinet cover plate 7, a wind cabinet back plate 3, a wind cabinet top plate 1, a peripheral sound absorption layer 6 and a top plate sound absorption layer 2. As shown in fig. 1, the wind cabinet coaming 4 is a vertically extending U-shaped plate structure, and the horizontal section of the wind cabinet coaming is U-shaped. The U-shaped plate structure comprises a middle plate and two side plates which are oppositely arranged at two ends of the middle plate. The tail ends of the two side plates, which are far away from the middle plate, are openings of the U-shaped plates, called as enclosing plate openings, and the wind cabinet back plate 3 is arranged corresponding to the enclosing plate openings. The vertical top end opening of U template installs wind cabinet roof 1, and wind cabinet roof 1 is provided with the roof opening.
The intermediate plate is provided with a maintenance window 8 convenient for maintaining internal parts, and a wind cabinet cover plate 7 is arranged corresponding to the maintenance window 8. The wind cabinet back plate 3 and the wind cabinet top plate 1 are arranged on the wind cabinet coaming 4 in a welding or riveting mode, and the wind cabinet cover plate 7 is fixed on the wind cabinet coaming 4 through screws. Wind cabinet bounding wall 4, wind cabinet apron 7, wind cabinet backplate 3, wind cabinet roof 1 close and are called the wind cabinet subassembly, surround and form the installation space that is used for installing fan 5, and fan 5 in the installation space is fixed at wind cabinet roof 1 and wind cabinet backplate 3, and the roof opening sets up with fan 5's air outlet relatively.
The wind cabinet coaming 4, the wind cabinet back plate 3, the wind cabinet top plate 1 and the wind cabinet cover plate 7 are of dense microporous structures, namely, a plurality of micro holes are densely formed in the dense microporous structures. The micro holes on the wind cabinet component can be regular or irregular holes such as round holes, square holes, elliptical holes, rhombic holes and the like; the arrangement may be aligned, staggered, fixed spaced, variable spaced, etc.
The peripheral sound absorbing layer 6 is arranged around the wind cabinet assembly in a manner of being wrapped by the wind cabinet coaming 4, the wind cabinet cover plate 7 and the wind cabinet back plate 3. The top plate sound absorption layer 2 is arranged between the top plate 1 of the wind cabinet and the surrounding plate 4 of the wind cabinet, and correspondingly, an air outlet opening is arranged at the position of an air outlet of the fan 5. The sound absorbing material may be sound absorbing cotton, polyurethane foam, fiberglass, foam, and the like including but not limited to the above materials. The peripheral sound absorbing layer 6 and the top plate sound absorbing layer 2 can be fixed on the wind cabinet component in a clamping, buckling, sticking and other modes.
The thickness of the sound absorbing materials in the peripheral sound absorbing layer 6 and the top plate sound absorbing layer 2 can be 3mm, 5mm and the like, the number of layers can be one layer, two layers and the like, and the sound absorbing materials are determined according to factors such as the size of the air cabinet component, the power of the range hood and the like.
The wind cabinet subassembly is intensive microporous structure, all around and the sound absorbing layer that sound absorbing material made of top installation, when 5 work of fan produced the noise, the sound wave was deepened inside the material along tiny hole, at the propagation in-process, the sound wave takes place many times refraction to take place the friction with the material, acoustic energy turns into heat energy, reach the sound absorbing effect, avoid the noise to reflect out range hood's outside through the cavity of wind cabinet subassembly simultaneously, can effectively reduce various noises, improve user experience. And because the sound-absorbing material is generally an elastic material, the sound-absorbing material can partially absorb shock and avoid the damage and deformation caused by the hard contact between the outer decorative plate and the box body.
the utility model provides a range hood embodiment simultaneously, this range hood includes above-mentioned range hood wind cabinet.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. the utility model provides a range hood wind cabinet which characterized in that includes:
The air cabinet component is of a dense microporous structure and is provided with an installation space surrounding the fan (5);
And the sound absorption layer is of a layered structure made of sound absorption materials and covers the periphery and the top of the air cabinet component.
2. The range hood of claim 1, wherein: the air cabinet assembly comprises an air cabinet enclosing plate (4), an air cabinet back plate (3) and an air cabinet top plate (1), the air cabinet enclosing plate (4) is a U-shaped plate, and the air cabinet back plate (3) covers an opening of the U-shaped plate; the top plate of the air cabinet top plate (1) covers the top of the U-shaped plate, and a top plate opening is formed in the position corresponding to the air outlet of the fan (5).
3. The range hood of claim 2, wherein: the U-shaped plate comprises a middle plate and two side plates at opposite positions of two ends of the middle plate, the middle plate is provided with a maintenance window (8), and the air cabinet assembly further comprises an air cabinet cover plate (7) covering the maintenance window (8).
4. The range hood of claim 3, wherein: the air cabinet back plate (3) and the air cabinet top plate (1) are connected with the air cabinet coaming (4) through welding or riveting; the wind cabinet cover plate (7) is fixedly arranged on the wind cabinet coaming plate (4) through screws.
5. The range hood of claim 3, wherein: the fan (5) is fixedly arranged on the air cabinet top plate (1) and the air cabinet back plate (3).
6. The range hood of claim 1, wherein: the air cabinet assembly is hermetically provided with a plurality of microporous structures, and the microporous structures are round holes, square holes, elliptical holes and/or rhombic holes; the arrangement of the microporous structures is alignment, staggering, fixed spacing and/or variable spacing.
7. The range hood of any one of claims 1-6, wherein: the sound absorbing layer is arranged on the periphery of the air cabinet assembly and comprises a peripheral sound absorbing layer (6) and a top plate sound absorbing layer (2), wherein the peripheral sound absorbing layer (6) is arranged on the periphery of the air cabinet assembly in a wrapping mode, the top plate sound absorbing layer (2) is arranged on the top of the air cabinet assembly in a covering mode, and the top plate sound absorbing layer (2) corresponds to an air outlet of the fan (5) and is provided with.
8. The range hood of claim 7, wherein: the sound-absorbing material is sound-absorbing cotton, multi-component grease foam, glass fiber and/or foam plastic.
9. The range hood of claim 1, wherein: the sound absorption layer sound absorption material is installed in the wind cabinet component through clamping, buckling and/or pasting.
10. A range hood, its characterized in that: comprising the range hood of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822040614.9U CN209743255U (en) | 2018-12-05 | 2018-12-05 | Range hood wind cabinet and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822040614.9U CN209743255U (en) | 2018-12-05 | 2018-12-05 | Range hood wind cabinet and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209743255U true CN209743255U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822040614.9U Active CN209743255U (en) | 2018-12-05 | 2018-12-05 | Range hood wind cabinet and range hood |
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| Country | Link |
|---|---|
| CN (1) | CN209743255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864838A (en) * | 2021-09-15 | 2021-12-31 | 杭州帅丰科技有限公司 | Three-dimensional integrated kitchen of making an uproar that falls |
-
2018
- 2018-12-05 CN CN201822040614.9U patent/CN209743255U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864838A (en) * | 2021-09-15 | 2021-12-31 | 杭州帅丰科技有限公司 | Three-dimensional integrated kitchen of making an uproar that falls |
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