CN208186470U - Fume exhauster - Google Patents
Fume exhauster Download PDFInfo
- Publication number
- CN208186470U CN208186470U CN201820728624.9U CN201820728624U CN208186470U CN 208186470 U CN208186470 U CN 208186470U CN 201820728624 U CN201820728624 U CN 201820728624U CN 208186470 U CN208186470 U CN 208186470U
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- China
- Prior art keywords
- sound
- flow
- kitchen ventilator
- absorbing
- opening
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- 239000003517 fume Substances 0.000 title description 3
- 239000011358 absorbing material Substances 0.000 claims description 14
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000779 smoke Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 239000006096 absorbing agent Substances 0.000 abstract 4
- 239000006233 lamp black Substances 0.000 abstract 4
- 239000004519 grease Substances 0.000 description 15
- 230000008676 import Effects 0.000 description 11
- 230000001050 lubricating effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000010410 layer Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010411 cooking Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004812 Fluorinated ethylene propylene Substances 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920009441 perflouroethylene propylene Polymers 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000008104 plant cellulose Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Ventilation (AREA)
Abstract
The utility model provides a range hood, be in including wind cabinet and setting mixed flow fan in the wind cabinet, the wind cabinet has the opening that the air feed stream got into, the mixed flow fan has the impeller air intake, the opening with be provided with on the air inlet route between the impeller air intake and inhale the sound structure. Be provided with the mixed flow fan in the lampblack absorber in this application, be provided with between the opening of the wind cabinet of lampblack absorber and the impeller air intake of mixed flow fan and inhale the sound structure, provide a work noise little, inhale effectual, the user experience's of oil smoke lampblack absorber to solve the big problem of lampblack absorber work noise that causes because the wind pressure is big in the mixed flow fan working process.
Description
Technical field
The utility model relates to field of household appliances, and in particular to a kind of kitchen ventilator that work noise is low.
Background technique
For flow-mixing blower fan between axial flow blower and centrifugal blower, the air-admitting surface of the impeller of flow-mixing blower fan is small, similar
In axial flow blower；The outlet air open area of impeller is big, is similar to centrifugal blower.The wheel rotation of flow-mixing blower fan, air-flow is in mixed flow wind
Not only centrifugal movement had been done under the action of machine but also had been axially moved.Due to the size of the wind pressure of flow-mixing blower fan and the air-admitting surface of impeller
Square be inversely proportional, wind pressure can be increased using flow-mixing blower fan, make the smoke absorption effect for the kitchen ventilator for being provided with flow-mixing blower fan more
Add.
Flow-mixing blower fan also will increase the noise in the flow-mixing blower fan course of work while increasing wind pressure.Since country is right
The noise of kitchen ventilator requires, and the noise in the kitchen ventilator course of work is no more than mark value.In order to reach the noise of kitchen ventilator
Mark, when being designed to kitchen ventilator, designer would generally select the mode for the wind pressure for reducing kitchen ventilator to reduce noise, this
The oil suction smoke performance for resulting in kitchen ventilator cannot reach best.In addition, for the cooking food under the larger environment of noise for a long time,
User is easy to appear the adverse reactions such as dizziness, agitation, seriously affects the usage experience of user.
Utility model content
In view of this, one of the purpose of this utility model is to provide a kind of oil smoke that can be effectively reduced work noise
Machine.
In order to achieve the above objectives, the utility model uses following technical scheme:
A kind of kitchen ventilator, including wind cabinet and the flow-mixing blower fan being arranged in the wind cabinet, there is the wind cabinet gas supply to flow into
The opening entered, the flow-mixing blower fan is with impeller air inlet, on the air inlet path between the opening and the impeller air inlet
It is provided with sound-absorbing structure.
Preferably, it is provided between the opening and the impeller air inlet and connects oily structure, it is described to connect oily structure and be used for
The greasy dirt that access is dripped from the flow-mixing blower fan is provided with the sound-absorbing structure in described connect in oily structure.
Preferably, the disk-shaped structure for connecing oily structure and being configured to below the impeller air inlet, in the dish type
The upper surface and/or lower surface of structure are provided with the sound-absorbing structure.
Preferably, oil network is installed in the opening, the oil network is located at the lower section of the impeller air inlet, the oil
It is provided with sound-absorbing structure on the net.
Preferably, the oil network is in taper type, and the small end of the taper type is located at upside, and the sound-absorbing structure is arranged in institute
It states on the upper surface of oil network.
Preferably, the flow-mixing blower fan includes the flow-guiding structure that the impeller air inlet is arranged in, the wind cabinet it is interior
The sound-absorbing structure is provided on wall surface and/or on the flow-guiding structure.
Preferably, the flow-guiding structure includes flow guide sleeve and is connected with the side close to the opening of the flow guide sleeve
Guide ring, the sound-absorbing structure include the cyclic structure being arranged on the wall surface towards the opening side of the guide ring.
Preferably, it is arranged at impeller air inlet preset distance described in distance between the opening and the impeller air inlet
There is the sound-absorbing structure.
Preferably, the sound-absorbing structure includes sound-absorbing material layer and/or perforated plate structure sheaf, on the perforated plate structure sheaf
It is provided with sound-absorption hole, is provided with sound-absorbing material in the sound-absorption hole.
Preferably, micropore, noise reduction hole and/or filtering hole are provided in the sound-absorbing material.
Preferably, oleophobic coating is provided on the outer surface of the sound-absorbing material layer and/or the perforated plate structure sheaf.
Be provided with flow-mixing blower fan in kitchen ventilator in the application, the impeller of the opening of the wind cabinet of kitchen ventilator and flow-mixing blower fan into
It is provided with sound-absorbing structure between air port, the kitchen ventilator that a kind of work noise is small, smoke absorption effect is good, user experience is good is provided, with
It solves the problems, such as to cause kitchen ventilator work noise big since wind pressure is big in the flow-mixing blower fan course of work.
Detailed description of the invention
By referring to the drawings to the description of the utility model embodiment, the above-mentioned and other mesh of the utility model
, feature and advantage will be apparent from, in the accompanying drawings:
Fig. 1 shows one of the overall structure diagram of kitchen ventilator of specific embodiment of the present invention offer；
Fig. 2 shows the two of the overall structure diagram of the kitchen ventilator of specific embodiment of the present invention offer；
Fig. 3 shows the schematic diagram for connecing oily structure of the kitchen ventilator of specific embodiment of the present invention offer；
Fig. 4 shows the three of the overall structure diagram of the kitchen ventilator of specific embodiment of the present invention offer；
Fig. 5 shows the four of the overall structure diagram of the kitchen ventilator of specific embodiment of the present invention offer；
Fig. 6 shows the five of the overall structure diagram of the kitchen ventilator of specific embodiment of the present invention offer；
Fig. 7 shows the six of the overall structure diagram of the kitchen ventilator of specific embodiment of the present invention offer.
In figure,
1, wind cabinet；11, the first opening；12, the second opening；
2, exhaust fume collecting hood component；21, cover；22, cover fixed frame；
3, flow-mixing blower fan；31, main structure；311, flow-guiding structure；3111, flow guide sleeve；3112, guide ring；3113, it drains
Structure；312, guide vane；313, impeller housing；32, shell；33, impeller；34, import；35, air outlet；36, impeller air inlet；
4, air outlet seat；
5, oil network；51, oil network fixed frame；52, oil network grid；
6, lubricating cup；
7, power part；71, motor；72, motor mounting rack；73, motor shaft；
8, sound-absorbing structure；
9, oily structure is connect；91, disk-shaped structure；92, diversion pipe.
Specific embodiment
The utility model is described below based on embodiment, it should be understood by one skilled in the art that mentioning herein
The attached drawing of confession is provided to the purpose of explanation, and attached drawing is not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains
Justice.
Illustrate: orientation shown in FIG. 1 is subject in the orientation such as upper and lower involved in the application.
This application provides a kind of flow-mixing blower fan and with the kitchen ventilator of the flow-mixing blower fan, flow-mixing blower fan and/or kitchen ventilator
On be provided with sound-absorbing structure.Due to forming biggish wind pressure in the flow-mixing blower fan course of work, wind pressure is excessive be easy to cause it is larger
Noise, by be arranged sound-absorbing structure noise can effectively be adsorbed, reduce the kitchen ventilator course of work in noise, raising
The usage experience of user.
It as shown in Figures 1 to 7, is flow-mixing blower fan provided by the present application and the kitchen ventilator with the flow-mixing blower fan.Kitchen ventilator
Including wind cabinet 1, wind cabinet 1 is mounted on the top of gas-cooker (not shown), by the oil smoke generated in user's cooking process by
It carries out being pumped in wind cabinet 1 on, and then is discharged into common flue (not shown).As depicted in figs. 1 and 2, wind cabinet 1
For the internal cube structure with cavity, there is gas supply to flow into the first opening 11 inside wind cabinet 1 for the lower end of wind cabinet 1,
The upper end of wind cabinet 1 has the second opening 12 for air-flow discharge wind cabinet 1.Wherein, collection cigarette is installed at the first 11 positions of opening
Oil smoke is farthest pumped in wind cabinet 1 by shade assembly 2 with carrying out water conservancy diversion to the air-flow entered in wind cabinet 1.Second
Be open at 12 positions and be provided with air outlet seat 4, air outlet seat 4 is connected with common flue, with will go into wind cabinet 1 with oil smoke
Air-flow drains into common flue.Further, exhaust fume collecting hood component 2 includes the cover 21 of substantially flare, and cover 21 is vertical
Upper both ends open and open at one end larger, another end opening is smaller, and the lesser one end of the opening of cover 21 passes through cover fixed frame
22 are fixed in wind cabinet 1, to guarantee the installation reliability of cover 21.It is additionally provided at the position of the first opening 11 of wind cabinet 1
Oil network 5, the centre of oil network 5 tilt from high to low on direction around, and oil network 5 is arranged in cover 21 and is fixed by oil network
Frame 51 is connected with cover 21 and cover fixed frame 22.Oil network 5 passes through the first opening 11, and the partial results of oil network 5 are located at wind cabinet 1
Interior, part-structure is located at outside wind cabinet 1, it is preferable that the middle section of oil network 5 passes through the first opening 11 and is located inside wind cabinet 1, should
Part is located at the lower section of flow-mixing blower fan 3 (having specific introduction below), and the peripheral portion of oil network 5 is located at outside wind cabinet 1, to facilitate oil
The grease gathered on net 5 flows from top to bottom, to be collected and clear up to grease.Gas supply is offered in oil network 5 to flow into or out
Oil network grid 52, to guarantee that air-flow can be entered in wind cabinet 1 by oil network 5, oil network grid 52 reduce to gas-flow resistance
Meanwhile also grease being facilitated to flow.Recycling cleaning is carried out to the grease in oil network 5 in order to facilitate user, in the edge of 5 surrounding of oil network
It is provided with oil leaking hole in structure, lubricating cup 6 is provided with below oil leaking hole, the grease in oil network 5 flow to oil from the centre of oil network 5
In the edge structure of 5 surrounding of net, it is flow in lubricating cup 6 eventually by oil leaking hole.It preferably, will while guaranteeing installation accuracy
The edge structure of 5 surrounding of oil network is configured to the inclined structure of oil leaking hole, to facilitate grease to flow.
As shown in Figure 1, being provided with flow-mixing blower fan 3 in wind cabinet 1, flow-mixing blower fan includes the main structure to form airflow channel
31, the outside of main structure 31 is provided with shell 32, shell 32 is tubular structure, and shell 32 (has below with flow-guiding structure 311
It is specific to introduce) it is connected.Main structure 31 includes the guide vane 312 being fixed together and impeller housing 313, and impeller housing 313 is arranged
In the lower section of guide vane 312, the upper end of guide vane 312 is fixed at the second 12 positions of opening of wind cabinet 1, the lower end of guide vane 312 and leaf
Wheel shell 313 is connected.The cavity body structure that an inside has accommodating space, cavity body structure is collectively formed in impeller housing 313 and guide vane 312
Be internally provided with power part 7 and the impeller being connected with power part 7 33, impeller 33 can be in the drive of power part 7
Under be rotated in impeller housing 313 inside formed negative pressure, and then wind cabinet 1 first opening 11 at be formed about negative pressure, in negative pressure
The oil smoke in user's cooking process is pumped in wind cabinet 1 under effect, and is expelled to public cigarette by guide vane 312 and air outlet seat 4
In road, the movement of fume-exhausting from bottom to top is realized.Preferably, power part 7 includes motor 71, and motor 71 passes through motor mounting rack
72 are fixed on guide vane 312, and motor 71 has motor shaft 73, and motor shaft 73 is fixedly connected with impeller 33, motor shaft 73 rotate into
And impeller 33 rotates.Main structure 31 further includes being connected with impeller housing 313, is used to form leading for the import of airflow channel
Flow structure 311, flow-guiding structure 311 are arranged at impeller air inlet 36.Flow-guiding structure 311 includes flow guide sleeve 3111 and and flow guide sleeve
The connected guide ring 3112 in 3111 side close to the first opening 11.In 3 course of work of flow-mixing blower fan, due to wind pressure compared with
Greatly and motor 71 vibration etc. reasons, cause the work noise of flow-mixing blower fan 3 big, make an uproar to reduce the work of flow-mixing blower fan 3
Sound improves user experience, sound-absorbing structure 8 is provided on flow-mixing blower fan 3.In a preferred embodiment, in guide vane 312
In outside wall surface, sound-absorbing knot is provided in the outside wall surface of impeller housing 313, on the inner wall of wind cabinet 1 and on the side wall of shell 32
Structure 8.Wherein, the sound-absorbing structure 8 being arranged on the side wall of shell 32 is preferably provided on the inner sidewall of shell 32.To sound-absorbing knot
When structure 8 is arranged, air current flow direction in kitchen ventilator, sound-absorbing structure 8 is extended to by the airflow inlet 34 of flow-mixing blower fan 3
The air outlet 35 of flow-mixing blower fan 3.In another alternate embodiment, on the radial outer wall face of flow guide sleeve 3111, and
Outside wall surface in main structure 31 away from airflow channel side is provided with sound-absorbing structure 8.It is, of course, understood that according to
Difference and 1 internal structure of wind cabinet arrangement for 3 size of flow-mixing blower fan being arranged inside the difference and wind cabinet 1 of 1 size of wind cabinet etc.
Factor, it is possible to reduce sound-absorbing structure 8 be arranged quantity, and can the setting position to sound-absorbing structure 8 be adaptively adjusted,
When being adjusted to position, do not produced between the normal work and flow-mixing blower fan 3 and all parts not influence flow-mixing blower fan 3
Life interferes as standard.
As shown in Fig. 2, being provided with flow guiding structure 3113 on flow-guiding structure 311, there is drainage channel in flow guiding structure 3113,
The top of lubricating cup 6 is arranged in flow guiding structure 3113 and face lubricating cup 6 is arranged.Flow guiding structure 3113 can will accumulate in flow-guiding structure
On 311 and the grease on flow-guiding structure 311 is flowed upwardly to from the inner radial wall face of shell 32 to be drained in lubricating cup 6, reduces accumulation
The amount of grease inside wind cabinet 1 improves the clean level inside wind cabinet 1, improves the service life of kitchen ventilator.Meanwhile in order to
Further the grease inside wind cabinet 1 is cleared up, the grease dropped in oil network 5 from flow-mixing blower fan 3 is prevented to be splashed to wind
On the inner wall of cabinet 1, it is provided between the import 34 of the air-flow of flow-mixing blower fan 3 and the first opening 11 of wind cabinet 1 and connects oily structure 9,
Specifically, it connects oily structure 9 to be arranged between import 34 and oil network 5, and connects import 34 and the oil of oily 9 face flow-mixing blower fan 3 of structure
Net 5.Wherein, oily structure 9 is connect for the greasy dirt that access is dripped from flow-mixing blower fan 3, as shown in figure 3, connecing oily structure 9 is configured to position
Disk-shaped structure 91 in 34 lower section of import, connecing oily structure 9 further includes diversion pipe 92, and the low surrounding in the middle part of disk-shaped structure 91 is high, with
Prevent the grease dropped in disk-shaped structure 91 from splashing, the surrounding of disk-shaped structure 91 stops grease.Disk-shaped structure 91
The bottom at middle part is provided with oil leaking hole, and one end of diversion pipe 92 is connected with disk-shaped structure 91, and connects diversion pipe 92 and oil leaking hole
Logical, the other end of diversion pipe 92 is located at the top of lubricating cup 6 and face lubricating cup 6, and the grease for connecing access in oily structure 9 is led to oil
In cup.The upper surface of disk-shaped structure 91 and/or lower surface are provided with sound-absorbing structure 8, sound-absorbing structure 8 at this location is arranged
For ring structure, oil leaking hole is avoided while guaranteeing sound-absorbing effect.
As shown in figure 4, in a specific embodiment, be not provided in the inside of wind cabinet 1 and connect oily structure, in order to from
First opening 11 of wind cabinet 1 enters the air-flow between the import 34 of flow-mixing blower fan 3 and carries out absorbing sound and lowering noise, in the centre of oil network 5
Sound-absorbing structure 8 is set.The shape of sound-absorbing structure 8 is not particularly limited, if setting when be careful not to influence airflow and
Grease flowing.
As shown in figure 5, in another specific embodiment, in the wind cabinet 1 between the first opening 11 and import 34
Sound-absorbing structure 8 is provided on wall surface.Preferably, sound-absorbing structure 8 is configured to the structure that flows up of guidance oil smoke, avoids pair
Air-flow, which is formed, to be stopped and disturbs, for example can set sound-absorbing structure 8 to longitudinal cross-section is trapezoidal or triangle structure.
As shown in fig. 6, in another alternate embodiment, in the direction the of the guide ring 3112 of flow-guiding structure 311
Sound-absorbing structure 8 is provided on the wall surface of one 11 sides of opening.Preferably, sound-absorbing structure 8 is cyclic structure, the radial direction of cyclic structure
Size is adapted with the radial dimension of guide ring, and the thickness of cricoid sound-absorbing structure 8 is moderate, to guarantee it with good suction
While audio fruit, air-flow flowing will not influence.
As shown in fig. 7, being opened in another alternate embodiment in the import 34 of flow-mixing blower fan 3 and the first of wind cabinet 1
Sound-absorbing structure 8 is provided on air inlet path between mouth 11.Preferably, the distance between the import 34 of flow-mixing blower fan 3 and oil network 5
Sound-absorbing structure 8 is provided at 34 preset distance of import, it is preferable that preset distance is more than or equal to 10mm, to guarantee that flow-mixing blower fan 3 has
There are enough intakes, and then guarantees the smoke absorption effect of kitchen ventilator.Sound-absorbing structure 8 can be by such as fixed frame (in figure not
Show) etc. modes be fixed on wind cabinet 1 or flow-guiding structure 311, to guarantee the mounting stability of sound-absorbing structure 8 and using reliable
Property.
Further, sound-absorbing structure 8 includes sound-absorbing material layer and/or perforated plate structure sheaf, is arranged on perforated plate structure sheaf
There is sound-absorption hole, is provided with sound-absorbing material in sound-absorption hole.Micropore, noise reduction hole and/or filtering hole are provided in sound-absorbing material, wherein
The diameter of micropore is 2mm to 5mm, and the diameter for filtering hole is 3mm to 8mm, to guarantee that sound-absorbing material has good sound-absorbing effect.
Further, it is provided with oleophobic coating on the outer surface of sound-absorbing material layer and/or perforated plate structure sheaf, is being inhaled to avoid grease
It is gathered excessively on sound material, influences the sound-absorbing effect of sound-absorbing structure.Preferably, sound-absorbing material can be fine using foamed plastics, aluminium
The materials such as the poly- cellucotton of vinylon and cotton blend, single layer, single-layer polyester cellucotton, plant cellulose sprayed on material or centrifugally glass-wool are made.
Oleophobic coating can be made of the such as oleophobics such as fluorinated ethylene propylene copolymer and/or dissolubility polytetrafluoroethylene (PTFE) profile material.
By the way that sound-absorbing structure is arranged on flow-mixing blower fan and kitchen ventilator, to air-flow flowing and structural vibration generate noise into
Row absorbs, and reduces the work noise of flow-mixing blower fan, and then reduce the overall noise in the kitchen ventilator course of work, improves oil
The service performance of smoke machine is supplied to the better user experience of user.
Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting
Ground combination, superposition.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for art technology
For personnel, the utility model can have various modifications and changes.It is all made within the spirit and principle of the utility model
Any modification, equivalent substitution, improvement and etc. should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of kitchen ventilator, which is characterized in that including wind cabinet and the flow-mixing blower fan being arranged in the wind cabinet, the wind cabinet has
Gas supply stream enter opening, the flow-mixing blower fan have impeller air inlet, it is described opening the impeller air inlet between into
Sound-absorbing structure is provided on wind path diameter.
2. kitchen ventilator according to claim 1, which is characterized in that be arranged between the opening and the impeller air inlet
Oily structure is connect, it is described to connect oily structure for the greasy dirt that access is dripped from the flow-mixing blower fan, it is set in oily structure in described connect
It is equipped with the sound-absorbing structure.
3. kitchen ventilator according to claim 2, which is characterized in that it is described connect oily structure be configured to be located at the impeller enter the wind
Disk-shaped structure below mouthful, is provided with the sound-absorbing structure in the upper surface of the disk-shaped structure and/or lower surface.
4. kitchen ventilator according to claim 1, which is characterized in that be equipped with oil network, the oil network position in the opening
In the lower section of the impeller air inlet, sound-absorbing structure is provided in the oil network.
5. kitchen ventilator according to claim 4, which is characterized in that the oil network is in taper type, the small end of the taper type
Positioned at upside, the sound-absorbing structure is arranged on the upper surface of the oil network.
6. kitchen ventilator according to claim 1, which is characterized in that the flow-mixing blower fan includes that setting is entered the wind in the impeller
Flow-guiding structure at mouthful is provided with the sound-absorbing structure on the inner wall of the wind cabinet and/or on the flow-guiding structure.
7. kitchen ventilator according to claim 6, which is characterized in that the flow-guiding structure include flow guide sleeve and with the water conservancy diversion
The connected guide ring in the side close to the opening of set, the sound-absorbing structure include being arranged in described in the direction of the guide ring
The cyclic structure being open on the wall surface of side.
8. kitchen ventilator according to claim 1, which is characterized in that the distance between the opening and the impeller air inlet
The sound-absorbing structure is provided at the impeller air inlet preset distance.
9. according to claim 1 to kitchen ventilator described in one of 8, which is characterized in that the sound-absorbing structure includes sound-absorbing material layer
And/or perforated plate structure sheaf, sound-absorption hole is provided on the perforated plate structure sheaf, is provided with sound-absorbing material in the sound-absorption hole.
10. kitchen ventilator according to claim 9, which is characterized in that be provided with micropore, noise reduction hole in the sound-absorbing material
The filtering hole and/or.
11. kitchen ventilator according to claim 9, which is characterized in that the sound-absorbing material layer and/or the perforated plate structure
Oleophobic coating is provided on the outer surface of layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728624.9U CN208186470U (en) | 2018-05-16 | 2018-05-16 | Fume exhauster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728624.9U CN208186470U (en) | 2018-05-16 | 2018-05-16 | Fume exhauster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208186470U true CN208186470U (en) | 2018-12-04 |
Family
ID=64430532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820728624.9U Active CN208186470U (en) | 2018-05-16 | 2018-05-16 | Fume exhauster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208186470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443930A (en) * | 2018-05-16 | 2018-08-24 | 珠海格力电器股份有限公司 | Fume exhauster |
-
2018
- 2018-05-16 CN CN201820728624.9U patent/CN208186470U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443930A (en) * | 2018-05-16 | 2018-08-24 | 珠海格力电器股份有限公司 | Fume exhauster |
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