CN209540976U - Fume exhaust device exhaust fume collecting hood and fume exhaust device with the exhaust fume collecting hood - Google Patents
Fume exhaust device exhaust fume collecting hood and fume exhaust device with the exhaust fume collecting hood Download PDFInfo
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- CN209540976U CN209540976U CN201822087420.4U CN201822087420U CN209540976U CN 209540976 U CN209540976 U CN 209540976U CN 201822087420 U CN201822087420 U CN 201822087420U CN 209540976 U CN209540976 U CN 209540976U
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- Prior art keywords
- fume
- exhaust
- collecting hood
- sound
- fume collecting
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Abstract
The utility model discloses a kind of fume exhaust device exhaust fume collecting hood and with the fume exhaust device of the exhaust fume collecting hood, fume exhaust device exhaust fume collecting hood includes: exhaust fume collecting hood ontology, its air inlet is connected with the blower of fume exhaust device；Sound-absorbing structure is arranged on the internal chamber wall of the exhaust fume collecting hood ontology.By the way that sound-absorbing structure is arranged on exhaust fume collecting hood, to solve the problems, such as that its noise reduction effect of fume exhaust device in the prior art is poor.
Description
Technical field
The utility model relates to fields of home appliance technology, and in particular to a kind of fume exhaust device exhaust fume collecting hood and have should
The fume exhaust device of exhaust fume collecting hood.
Background technique
In daily life, fume exhaust device using fairly common.However, being taken out in fume exhaust device operational process
Soot device can generate a large amount of noises.Currently, the blower fan system of fume exhaust device is the dominant noise source of fume exhaust device, by
A variety of same noise sources of depositing form, including aerodynamic noise, electromagnetic noise, mechanicalness noise and bearing noise etc..How to blower
System carries out noise reduction, is that fume exhaust device manufacturer to be solved to build a comfortable quietly kitchen domestic environment
Certainly the problem of.
In order to solve the problems, such as that fume exhaust device noise is big, fume exhaust device in the prior art, for accommodating blower
Acoustical panel, silencing cotton built in acoustical panel is arranged in the cabinet inner wall of system.The noise that blower fan system generates is absorbed by silencing cotton, from
And achieve the purpose that reduce noise.But it only is extremely difficult to good sound-absorbing effect by the way that the acoustical panel of cabinet inner wall is arranged in,
It is spread out of there is still a large amount of noise from the air inlet of fume exhaust device and passes through exhaust fume collecting hood and enter kitchen, seriously affect making for user
With experience.
Utility model content
Therefore, the utility model is intended to provide a kind of fume exhaust device exhaust fume collecting hood and the smoke pumping dress with the exhaust fume collecting hood
It sets, to solve the problems, such as that its noise reduction effect of fume exhaust device in the prior art is poor.For this purpose, the utility model provides a kind of oil pumping
Cigarette device exhaust fume collecting hood, comprising:
Exhaust fume collecting hood ontology, its air inlet is connected with the blower of fume exhaust device；
Sound-absorbing structure is arranged on the internal chamber wall of exhaust fume collecting hood ontology.
Sound-absorbing structure is included the sound-absorption hole being intensively arranged in cavity wall.
Sound-absorption hole is blind hole.
Sound-absorption hole be arranged in internal chamber wall its close to the position of air inlet.
Exhaust fume collecting hood ontology includes being inclined outwardly the cover frame of setting from air inlet and turning over positioned at what cover frame bottom was bent downward
Side, sound-absorption hole are arranged on cover frame.
The aperture of sound-absorption hole is 2mm to 2.5mm, and the spacing of adjacent two sound-absorption hole is 2mm to 6mm.
Sound-absorption hole is through-hole.
Sound-absorbing structure includes the sound-absorbing material being arranged on internal chamber wall.
Sound-absorbing material is acoustical cotton, foamed plastics, aluminum fiber cotton, the poly- cellucotton of single layer, single-layer polyester cellucotton, plant fibre
Tie up plain sprayed on material or centrifugally glass-wool.
A kind of fume exhaust device, comprising: above-mentioned fume exhaust device exhaust fume collecting hood.
The technical solution of the utility model has the advantages that
1. the blower of fume exhaust device exhaust fume collecting hood provided by the utility model, exhaust fume collecting hood ontology and fume exhaust device its into
Air port is connected, and is provided with sound-absorbing structure on the internal chamber wall of exhaust fume collecting hood ontology, in fume exhaust device operational process apoplexy chance
A large amount of noises are generated, when noise enters the inner cavity of exhaust fume collecting hood ontology from the air inlet of blower, are arranged in exhaust fume collecting hood chamber body
In sound-absorbing structure can effectively absorb blower generation noise and other noises efficiently solve oil pumping in the prior art
The problem of cigarette device its noise reduction effect difference, improves the user experience.
2. fume exhaust device exhaust fume collecting hood provided by the utility model, sound-absorbing structure, which is included, to be intensively arranged in cavity wall
Sound-absorption hole, sound-absorption hole are blind hole, and sound in blind hole drop fume exhaust device to effectively sound energy consumption back and forth by friction
It makes an uproar.
3. fume exhaust device exhaust fume collecting hood provided by the utility model, by sound-absorption hole setting internal chamber wall its close to air inlet
Position, from blower spread out of noise can pass through air inlet, by sound-absorption hole be arranged in exhaust fume collecting hood internal chamber wall its close to air inlet
Position can make full use of sound-absorption hole to fan noise carry out noise reduction, effectively improve the noise reduction effect of exhaust fume collecting hood.
4. fume exhaust device exhaust fume collecting hood provided by the utility model, exhaust fume collecting hood ontology includes being inclined outwardly to set from air inlet
The cover frame set and the flange bent downward positioned at cover frame bottom, sound-absorption hole is arranged on cover frame, because of fan noise portion big absolutely
Divide only by the cover frame close to air inlet position, substantially without the flange position of cover frame bottom, therefore suction is set on flange
The effect of sound hole is little, and is in crooked place in flange, also relative difficulty is processed, so machine-shaping sound-absorbing on cover frame
Hole reduces production processing cost while guaranteeing noise reduction effect.
5. the aperture of fume exhaust device exhaust fume collecting hood provided by the utility model, sound-absorption hole is 2mm to 2.5mm, and adjacent
The spacing of two sound-absorption holes is 2mm to 6mm, is effectively guaranteed the sound-absorbing effect of sound-absorption hole.
6. fume exhaust device exhaust fume collecting hood provided by the utility model, sound-absorption hole is that leading on internal chamber wall is intensively arranged in
Hole, it is convenient that through-hole has the advantages that the processing is simple.
7. fume exhaust device exhaust fume collecting hood provided by the utility model, sound-absorbing structure, which can also be, is provided separately within exhaust fume collecting hood
Sound-absorbing material on its internal chamber wall of ontology, or setting match with sound-absorption hole on exhaust fume collecting hood ontology and further increase smoke pumping
The noise reduction effect of machine.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the stereochemical structure of the fume exhaust device exhaust fume collecting hood provided by the utility model with sound-absorbing structure is illustrated
Figure；
Fig. 2 is the partial enlargement diagram of its part A of fume exhaust device exhaust fume collecting hood shown in FIG. 1.
Description of symbols:
1- exhaust fume collecting hood ontology；2- blower；3- sound-absorption hole；4- cover frame；5- flange.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
The present embodiment provides a kind of fume exhaust devices, comprising: exhaust fume collecting hood ontology 1 and blower 2, as depicted in figs. 1 and 2, collection
Petticoat pipe ontology 1, its air inlet is connected with the blower 2 of fume exhaust device, and exhaust fume collecting hood ontology 1 includes being inclined outwardly to set from air inlet
The cover frame 4 set and the flange 5 bent downward positioned at 4 bottom of cover frame, intensively setting is arranged on cover frame 4 sound-absorption hole 3, and sound-absorbing
Hole 3 is blind hole, and the aperture of blind hole is 2mm, and the spacing of adjacent two sound-absorption hole 3 is 2mm.The blower in fume exhaust device operational process
2 can generate a large amount of noises, when noise enters the inner cavity of exhaust fume collecting hood ontology 1 from the air inlet of blower 2, sound can enter close into
In its blind hole of the cover frame 4 of tuyere position, sound in blind hole back and forth friction to effectively sound energy consumption, to fume exhaust device into
Row noise reduction, the blind hole being arranged in 1 inner cavity of exhaust fume collecting hood ontology, which can effectively absorb the noise of the generation of blower 2 and other noises, to be had
Effect ground solves the problems, such as that its noise reduction effect of fume exhaust device in the prior art is poor, meanwhile, blind hole nor affects on leading for exhaust fume collecting hood
Stream effect, sound-absorption hole 3 can carry out noise reduction to other noises of fume exhaust device fan noise and generation, guarantee that sound reaches
When at human ear, decibel improves the user experience within human ear energy tolerance range.Moreover, because the fan noise overwhelming majority
Only by the cover frame 4 close to air inlet position, substantially without 5 position of flange of 4 bottom of cover frame, therefore it is arranged on flange 5
The effect of sound-absorption hole 3 is little, and is in crooked place in flange 5, also relative difficulty is processed, so machine-shaping on cover frame 4
Sound-absorption hole 3 also reduces production processing cost while guaranteeing noise reduction effect.
Certainly, the present utility model application is not particularly limited the denoising structure on its internal chamber wall of exhaust fume collecting hood ontology 1,
In other embodiments, sound-absorbing material is only provided on its internal chamber wall of exhaust fume collecting hood ontology 1, sound-absorbing material is acoustical cotton, sound-absorbing cotton patch
It is attached on its internal chamber wall of exhaust fume collecting hood ontology 1 and noise reduction process is carried out to the noise that blower 2 is spread out of.Wherein, the outer surface of acoustical cotton is also
Oil removal layer can be wrapped up, acoustical cotton is avoided to influence its noise reduction effect by oil pollution.Wherein sound-absorbing material can also be foam plastic
Material, aluminum fiber cotton, the poly- cellucotton of single layer, single-layer polyester cellucotton, plant cellulose sprayed on material or centrifugally glass-wool.
Certainly, the present utility model application is not particularly limited the denoising structure on its internal chamber wall of exhaust fume collecting hood ontology 1,
In other embodiments, it is provided with sound-absorption hole 3 and sound-absorbing material simultaneously on its internal chamber wall of exhaust fume collecting hood ontology 1, sound-absorbing material can be filled out
It fills in the vestibule of sound-absorption hole 3, or is separately positioned on the different location of 1 its internal chamber wall of exhaust fume collecting hood ontology with sound-absorption hole 3, thus
Solve the problems, such as that its noise reduction effect of fume exhaust device in the prior art is poor.
Certainly, the present utility model application is not particularly limited the setting position of sound-absorption hole 3, in other embodiments, inhales
Its internal chamber wall of exhaust fume collecting hood ontology 1 is arranged in close to the position of air inlet, by the way that by the setting of sound-absorption hole 3, in internal chamber wall, it is leaned in sound hole 3
The position of nearly air inlet, the noise spread out of from blower 2 can pass through air inlet, sound-absorption hole 3 exhaust fume collecting hood internal chamber wall its close into
The position in air port can make full use of sound-absorption hole 3 to carry out noise reduction to fan noise, effectively improve the noise reduction effect of exhaust fume collecting hood, inhale
Sound hole 3 can be positioned only at the local location on its air inlet periphery of exhaust fume collecting hood ontology 1, to carry out to the noise that blower 2 is spread out of
Noise reduction process.
Certainly, the present utility model application is not particularly limited the aperture of sound-absorption hole 3 and spacing, in other embodiments,
The aperture of sound-absorption hole 3 is 2mm, and the spacing of adjacent two sound-absorption hole 3 is 6mm；Alternatively, the aperture of sound-absorption hole 3 be 2.5mm, adjacent two
The spacing of sound-absorption hole 3 is 2mm.Producer adjusts aperture and the spacing of sound-absorption hole 3 according to actual needs when producing exhaust fume collecting hood, obtain
To optimal noise reduction effect.
Certainly, the present utility model application is not particularly limited the structure of sound-absorption hole 3, in other embodiments, sound-absorption hole 3
For the through-hole being intensively arranged on cover frame 4, it is convenient that through-hole has the advantages that the processing is simple.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (10)
1. a kind of fume exhaust device exhaust fume collecting hood characterized by comprising
Exhaust fume collecting hood ontology (1), its air inlet is connected with blower (2) of fume exhaust device；
Sound-absorbing structure is arranged on the internal chamber wall of the exhaust fume collecting hood ontology (1).
2. fume exhaust device exhaust fume collecting hood according to claim 1, which is characterized in that the sound-absorbing structure is included in described
The sound-absorption hole (3) being intensively arranged on internal chamber wall.
3. fume exhaust device exhaust fume collecting hood according to claim 2, which is characterized in that the sound-absorption hole (3) is blind hole.
4. fume exhaust device exhaust fume collecting hood according to claim 2 or 3, which is characterized in that sound-absorption hole (3) setting exists
The internal chamber wall its close to the position of the air inlet.
5. fume exhaust device exhaust fume collecting hood according to claim 4, which is characterized in that the exhaust fume collecting hood ontology (1) includes
The cover frame (4) of setting is inclined outwardly from the air inlet and is located at the flange (5) that cover frame (4) bottom is bent downward, institute
Sound-absorption hole (3) are stated to be arranged on the cover frame (4).
6. fume exhaust device exhaust fume collecting hood according to claim 2, which is characterized in that the aperture of the sound-absorption hole (3) is
2mm to 2.5mm, the spacing of adjacent two sound-absorption hole (3) are 2mm to 6mm.
7. fume exhaust device exhaust fume collecting hood according to claim 2, which is characterized in that the sound-absorption hole (3) is through-hole.
8. according to claim 1 to fume exhaust device exhaust fume collecting hood described in any one of 3 or 5 to 7, which is characterized in that described
Sound-absorbing structure includes the sound-absorbing material being arranged on the internal chamber wall.
9. fume exhaust device exhaust fume collecting hood according to claim 8, which is characterized in that the sound-absorbing material be acoustical cotton,
Foamed plastics, aluminum fiber cotton, the poly- cellucotton of single layer, single-layer polyester cellucotton, plant cellulose sprayed on material or rotary glass
Cotton.
10. a kind of fume exhaust device characterized by comprising
Fume exhaust device exhaust fume collecting hood described in any claim in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822087420.4U CN209540976U (en) | 2018-12-11 | 2018-12-11 | Fume exhaust device exhaust fume collecting hood and fume exhaust device with the exhaust fume collecting hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822087420.4U CN209540976U (en) | 2018-12-11 | 2018-12-11 | Fume exhaust device exhaust fume collecting hood and fume exhaust device with the exhaust fume collecting hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209540976U true CN209540976U (en) | 2019-10-25 |
Family
ID=68264264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822087420.4U Expired - Fee Related CN209540976U (en) | 2018-12-11 | 2018-12-11 | Fume exhaust device exhaust fume collecting hood and fume exhaust device with the exhaust fume collecting hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209540976U (en) |
-
2018
- 2018-12-11 CN CN201822087420.4U patent/CN209540976U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 Termination date: 20211211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |