CN108980947A - Range hood - Google Patents
Range hood Download PDFInfo
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- CN108980947A CN108980947A CN201811134271.0A CN201811134271A CN108980947A CN 108980947 A CN108980947 A CN 108980947A CN 201811134271 A CN201811134271 A CN 201811134271A CN 108980947 A CN108980947 A CN 108980947A
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- Prior art keywords
- chamber
- blower
- air
- range hood
- fan shroud
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses a kind of range hood, the range hood includes fan shroud, exhaust fume collecting hood, flow distribution plate and central deflector.Fan shroud limits blowing machine chamber, blower is intracavitary to be equipped with blower, exhaust fume collecting hood is located at the lower section of fan shroud, and limit the smoke collecting chamber being connected to blower chamber, smoke collecting chamber has the oil smoke import for collecting oil smoke, and flow distribution plate is located at the intracavitary at least two points of chambers blower chamber to be divided into the air inlet directional spreding along blower of blower, and blower is located at one of them and divides in chamber, central deflector is located at point intracavitary equipped with blower, and central deflector is located at the lower section of blower and flow distribution plate.Range hood according to an embodiment of the present invention, due to being equipped with flow distribution plate and central deflector blower is intracavitary, reduces the eddy current loss in the intracavitary portion of blower, improve the working efficiency of range hood, the filter effect to oil smoke air-flow is improved, the operating noise of range hood is reduced.
Description
Technical field
The present invention relates to field of kitchen electric appliance more particularly to a kind of range hoods.
Background technique
Smoke exhaust ventilator is basic on the market at present to enter universal state, key cities for smoke machine demand to height
Endization, personalization, intelligent development.The major critical component for influencing smoke exhaust ventilator actual effect includes blower, air duct, suction inlet knot
Structure etc..Wherein, the wind turbine layout mode of different installation sites and the aesthetic appearance of flow passage structure shape and wanting for anufacturability
Asking all may cause air and unavoidably there is uneven distribution state in flow process, influence the distribution of speed and pressure, into
And lead to the non-uniform Distribution state in smoke exhaust ventilator suction inlet near sites flow field, it is unfavorable for smoke absorption effect.Therefore, pass through conjunction
The problem of flow passage structure design of reason can improve local air flow loss, promotes lampblack-pumped effect.
Smoke exhaust ventilator is currently on the market in order to obtain better smoke pumping effect, and increasingly towards Wind Volume, high back pressure becomes
Gesture development, the negative pressure coverage area of oil smoke suction inlet is promoted with this, while high-rise building smoke discharging pipe high-drag being overcome to may cause
Oil smoke phenomenon.According to market survey, after the air quantity of smoke exhaust ventilator improves, oil smoke effect is preferably absorbed although obtaining
Fruit, but the problem of equally noise is brought to increase.Smoke exhaust ventilator especially for oil smoke suction inlet structural arrangement in side, noise
Problem is clearly.The raising of air quantity will increase the flow velocity of air-flow in addition to bringing noise problem also, enter pumping flowing through suction inlet
When in kitchen ventilator runner, mutates since air flows to, cause part to generate vortex, or even there are backflow phenomenas, with air
Flow direction reduces runner efficiency on the contrary, affect air inflow, and produce additional aerodynamic noise.Worst
Under state, although the revolving speed of blower improves, due to the presence of local eddy currents, the air mass flow of smoke exhaust ventilator does not increase not only
Add, and noise increases instead.The noise level and air quantity of smoke exhaust ventilator have direct relation, and air quantity is bigger, and noise is bigger, user
Experience sense it is poorer.It can inhibit aerodynamic noise by the design of reasonable structure, comfort when improving using smoke exhaust ventilator.
The type of currently marketed smoking smoke machine is varied, can be substantially divided into according to structure type top suction type,
Near-absorption type, integrated form etc..For top suction type smoke machine, hold together cigarette effect to enhance, is mainly covered on the top of frying pan, complete machine depth
About 515mm is easy to meet and discuss during being cooked, influences user experience.In order to expand negative pressure region, fume-exhausting is promoted
Wing plate can be generally arranged in effect, certain manufacturers.Although being usually less than top suction type for near-suction type oil smoke suction machine complete machine depth,
It is to make up the problem that cigarette district domain deficiency is held together at top, downside chamfer distance cooking apparatus is closer, occupies cooking space, together
Sample affects user's operation experience.For integrated form range hood, although compact-sized, cooking space will not be occupied, it is right
A large amount of oil smoke under quick-fried state are difficult to accomplish oil smoke zero leakage, if promoting air quantity to realize the effect of oil smoke zero leakage,
The problem of noise being brought to increase, and excessive air quantity exacerbates the consumption of combustion gas.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of suction
Kitchen ventilator, the range hood has preferable oil absorbing effect and noise is smaller.
Range hood according to an embodiment of the present invention, comprising: fan shroud, the fan shroud limit blowing machine chamber, the wind
Blower is equipped in machine cavity；Exhaust fume collecting hood, the exhaust fume collecting hood are located at the lower section of the fan shroud, and limit and be connected to the blower chamber
Smoke collecting chamber, the smoke collecting chamber have collect oil smoke oil smoke import；Flow distribution plate, the flow distribution plate be located at the blower it is intracavitary with
The blower chamber is divided at least two points of chambers of the air inlet directional spreding along the blower, the blower is located at one of institute
It states in point chamber；Central deflector, the center deflector is located at equipped with point intracavitary described in the blower, and the central water conservancy diversion
Plate is located at the lower section of the blower and the flow distribution plate.
Range hood according to an embodiment of the present invention, due to intracavitary equipped with flow distribution plate and central deflector, reduction in blower
The eddy current loss in the intracavitary portion of blower, improves the working efficiency of range hood, improves the filter effect to oil smoke air-flow, drops
The low operating noise of range hood.
In some embodiments, the flow distribution plate corresponds to the air inlet setting of the blower, and flow distribution plate includes: two installations
Item, described two mounting bars are oppositely arranged, and each mounting bar is connected with the side wall of the fan shroud, and are directed away from described
The direction of exhaust fume collecting hood extends；Grille strip, the grille strip be it is multiple, the both ends of each grille strip respectively with described two peaces
It fills item to be connected, multiple grille strips are spaced apart along the extending direction of the mounting bar.
In some specific embodiments, each grille strip is equipped at least one and is directed away from the blower direction
Extended flange.
In some embodiments, the spacing of the two neighboring grille strip is d, and d meets relational expression: 1mm≤d≤50mm,
The width of each grille strip is b, meets relational expression: 5mm≤b≤15mm.
In some embodiments, one end of the central deflector is connected with the inner wall of the fan shroud, the center
Inclination extends deflector upwards in a rearward direction, and the center deflector is vertical with the up and down direction along the fan shroud
The angle in face is a1, and a1 meets relational expression: 10 °≤a1≤90 °.
In some alternative embodiments, it is connected adjacent to it with the inner wall of the fan shroud on the central deflector
The spaced multiple grate openings of left and right directions along the fan shroud are equipped at one end.
In some alternative embodiments, between the other end and the flow distribution plate of the central deflector between be separated between
Gap.
In some embodiments, the exhaust fume collecting hood far from the fan shroud wall surface be equipped with air-inlet grille, it is described into
Style grid are equipped with the oil smoke import, and the air-inlet grille tilts down setting, the air-inlet grille in a rearward direction
Angle with horizontal plane is a2, and a2 meets relational expression: 0 °≤a2≤45 °.
In some embodiments, the front end of the smoke collecting chamber has the preceding prominent chamber dashed forward before the relatively described blower chamber, before described
The upper wall surface of prominent chamber is connected with the front side wall of the blower chamber, and the lower wall surface of prominent chamber is connected with the air-inlet grille before described.
In certain embodiments, the upper wall surface of the preceding prominent chamber and the central deflector are coplanar with, before described
The lower wall surface of prominent chamber and the linkage section of the air-inlet grille are formed as the cambered surface to raise upward.
In some embodiments, the smoke collecting chamber is connected to the blower chamber by communication port, and the smoke collecting chamber includes just
Divide the right side on the right side of chamber to dividing chamber in communication port setting, a left side on the left of chamber is divided in described to divide chamber, and in described
Divide chamber.
In some specific embodiments, it is ventilative that the air-inlet grille is equipped with first for corresponding to and chamber being divided to be arranged in described
The third air-permeating hole that the second air-permeating hole and a corresponding left side that hole, the corresponding right side divide chamber to be arranged divide chamber to be arranged, first air-permeating hole,
Second air-permeating hole and the third air-permeating hole extend along the front-rear direction of the air-inlet grille.
In some embodiments, the central axis of the blower and in the front-back direction between horizontal line have angle a3, a3
Meet relational expression: 0 °≤a3≤60 °.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the overall appearance figure of the range hood of the embodiment of the present invention.
Fig. 2 is the internal structure chart of the range hood of the embodiment of the present invention.
Fig. 3 is the internal structure chart of the other direction of the range hood of the embodiment of the present invention.
Fig. 4 is that the oil smoke air-flow of the range hood of the embodiment of the present invention flows to schematic diagram.
Fig. 5 is the partial structurtes enlarged drawing of the range hood of the embodiment of the present invention.
Fig. 6 is the air-flow analogous diagram of the range hood of the prior art.
Fig. 7 is the air-flow analogous diagram of range hood of the invention.
Appended drawing reference:
Range hood 1,
Exhaust fume collecting hood 10,
Smoke collecting chamber 110,
Preceding prominent chamber 111,
Oil smoke import 120,
First air-permeating hole 121, the second air-permeating hole 122, third air-permeating hole 123,
Air-inlet grille 130,
Fan shroud 20,
Blower chamber 210, divide chamber 211,
Flow distribution plate 30,
Grille strip 310,
Central deflector 40,
Grate opening 410,
Blower 50, air inlet 510,
Catchment cup 60.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", " thickness ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, define " first ", the feature of " second " can explicitly or implicitly include it is one or more
A this feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Range hood according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 7.
As shown in Figure 1-Figure 3, range hood 1 according to an embodiment of the present invention includes fan shroud 20, exhaust fume collecting hood 10, flow distribution plate
30 and central deflector 40.Fan shroud 20 limits blowing machine chamber 210, is equipped with blower 50 in blower chamber 210, exhaust fume collecting hood 10 is located at wind
The lower section of hood 20, and limit the smoke collecting chamber 110 being connected to blower chamber 210, smoke collecting chamber 110 have collect the oil smoke of oil smoke into
Mouth 120, flow distribution plate 30, which is located in blower chamber 210, is divided into blower chamber 210 at least two of the air inlet directional spreding along blower 50
A to divide chamber 211, blower 50 is located at one of them and divides in chamber 211, and central deflector 40 is located at dividing in chamber 211 equipped with blower 50,
And central deflector 40 is located at the lower section of blower 50 and flow distribution plate 30.
It is understood that after oil smoke air-flow is from oil smoke import 120 into smoke collecting chamber 110, in leading for central deflector 40
Stream acts on the inlet air machine cavity 210 that flows down, since blower chamber 210 is divided at least two points of chambers 211, blower 50 and center by flow distribution plate 30
Deflector 40 is in same point of chamber 211, such that oil smoke air-flow is under the guide functions of central deflector 40, it is most of
Cooking fume stream enter be not provided with blower 50 divide chamber 211 (as shown in Figure 4) so that major part oil smoke air-flow is along blower 50
Air inlet direction enter blower 50, be conducive to blower 50 and a large amount of oil smoke air-flow be discharged, avoid oil smoke air-flow in blower 50
Spiral case nearby generates vortex increase oil smoke air-flow and accumulates to reduce showing for the oil absorption efficiency of range hood 1 in blower chamber 210
As occurring.Central deflector 40 can also increase to a certain extent the flow area of oil smoke air-flow, to promote range hood 1
Oil absorbing effect.
In addition, oil smoke air-flow can touch central deflector 40 before entering blower chamber 210, central deflector 40 can
Cooking fume stream is condensed, so that condensed small oil droplet slides, range hood 1 is effectively promoted to oil smoke air-flow
Filter effect.Simultaneously, oil smoke air-flow needs to initially pass through flow distribution plate 30 before entering blower 50, and flow distribution plate 30 both can be into
Oil smoke condensation is promoted the filter effect to oil smoke air-flow by one step, moreover it is possible to which the rotation of blower 50 that decays to a certain extent produces
Raw noise.
Range hood 1 according to an embodiment of the present invention, due to being equipped with flow distribution plate 30 and central deflector in blower chamber 210
40, reduce the eddy current loss inside blower chamber 210, improve the working efficiency of range hood 1, improves to oil smoke air-flow
Filter effect reduces the operating noise of range hood 1.
In some embodiments, as shown in figure 3, the air inlet 510 of the corresponding blower 50 of flow distribution plate 30 is arranged, flow distribution plate 30 is wrapped
It includes two mounting bars (not shown go out) and multiple grille strips 310, two mounting bars is oppositely arranged, each mounting bar and fan shroud 20
Side wall be connected, and be directed away from exhaust fume collecting hood 10 direction extend, the both ends of each grille strip 310 respectively with two mounting bar phases
Even, multiple grille strips 310 are spaced apart along the extending direction of mounting bar.
It is understood that flow distribution plate 30 is enabled to using the setting of air inlet 510 of cell structure and corresponding blower 50
Into the oil smoke air-flow more uniform and stable of blower 50,50 output gas flow flow of blower ensure that a certain extent, to protect
The smoke pumping effect of range hood 1 is demonstrate,proved.At the same time, flow distribution plate 30 increases flow distribution plate 30 and cooking fume using cell structure
The contact area of stream, so that flow distribution plate 30 is improved to the condensation effect of oil smoke air-flow, to improve the filtering of range hood 1
Effect.In addition, cell structure also helps the noise for absorbing and generating when blower 50 rotates, to reduce the work of range hood 1
Make noise.
In some specific embodiments, each grille strip 310 is directed away from 50 direction of blower equipped at least one and prolongs
Stretch the flange of setting.Flow distribution plate 30 is improved to the condensation effect of oil smoke air-flow as a result, is in turn ensured and is made an uproar to the work of blower 50
The assimilation effect of sound.Advantageously, blower 50 is directed away from two not connect with the connection strap side of each grille strip 310
The extended flange in direction.
In some embodiments, the spacing of two neighboring grille strip 310 is d, and d meets relational expression: 1mm≤d≤50mm, often
The width of a grille strip 310 is b, meets relational expression: 5mm≤b≤15mm.It is understood that the width of each grille strip 310
And the spacing between two neighboring grille strip 310 can all influence the effect of the condensation of flow distribution plate 30, equal wind and noise reduction, therefore will
The spacing control of two neighboring grille strip 310 controls the energy between 5mm-15mm in 1mm-50mm, the width of each grille strip 310
Enough guarantee that flow distribution plate 30 has preferable condensation, equal wind and noise reduction effect.Certainly, in other embodiments of the invention, grid
Spacing between the width of item 310 and two neighboring grille strip 310 can be set according to actual needs, however it is not limited to above-mentioned model
It encloses.
Certainly, supplementary explanation is needed exist for, in other embodiments of the invention, flow distribution plate 30 can be formed as it
His structure.For example, in the embodiment having, flow distribution plate 30 is formed as surface plate, the upper surface of flow distribution plate 30 be located at blower 50 into
The lower section in air port 510.In another example flow distribution plate 30 is formed as corresponding 50 air inlet 510 of blower setting having in the embodiment having
Surface plate, and equal air holes is evenly equipped on surface plate, to play the effect for flowing, condensing to the oil smoke air-flow by flow distribution plate 30
Fruit.
In some embodiments, as shown in figure 4, one end of central deflector 40 is connected with the inner wall of fan shroud 20, in
Entreating deflector 40, inclination extends upwards in a rearward direction, and central deflector 40 is vertical with the up and down direction along fan shroud 20
The angle in face is a1, and a1 meets relational expression: 10 °≤a1≤90 °.It is understood that according to central deflector 40 described previously
Effect be cooking fume conductance to be flow to in blower chamber 210 chamber for being not provided with blower 50, and blower 50 is located in the present invention
Central deflector 40 is tilted upwards in rearwardly direction and is extended, is conducive to central deflector 40 by the front side of blower chamber 210
Divide cooking fume conductance to chamber 211 to the not set blower 50 for being located at rear side, to reduce what 50 spiral case of blower nearby occurred
Vortex, improves the smoke pumping effect of range hood 1.
In some alternative embodiments, as shown in figure 5, adjacent to the inner wall of itself and fan shroud 20 on central deflector 40
The spaced multiple grate openings 410 of left and right directions along fan shroud 20 are equipped at connected one end.It is understood that in oil
Flue gas stream enters after smoke collecting chamber 110 when flowing to blower chamber 210, although most oil smoke air-flow is in the effect of central deflector 40
It is lower enter do not place blower 50 the oil smoke air-flow for dividing in chamber 211, but also having fraction be deposited in central deflector 40 with
The inner wall junction of fan shroud 20, such that there are local eddy currents inside range hood 1, to influence range hood 1
Smoke pumping effect.Therefore, one end that it is connected with the inner wall of fan shroud 20 is closed on central deflector 40 is equipped with grid
Hole 410 enables to the cooking fume stream for being deposited in 20 inner wall junction of central deflector 40 and fan shroud by grate opening 410
Into the dividing in chamber 211 of blower 50 is placed with, it is possible thereby to the vortex phenomenon inside range hood 1 be reduced, to guarantee oil suction
The smoke absorption effect of smoke machine 1.
In some alternative embodiments, between the other end and flow distribution plate 30 of central deflector 40 between be separated with gap.By
This, avoids the oil smoke air-flow of central deflector 40 with the accumulation of 30 junction of flow distribution plate, reduces the part inside range hood 1
Vortex phenomenon ensure that the smoke absorption effect of range hood 1.
What needs to be explained here is that central deflector 40 can be formed as plate, certain radian can also be formed to have
Cambered plate or curved slab according to certain bending rule, that is to say, that the shape of central deflector 40 is not limited to above-mentioned shape
Shape.Grate opening 410 can be any shapes such as strip, circle, oblong, do in the concrete shape of this checks not match gate hole 410
It limits out.
In addition, in other embodiments of the invention, central deflector 40 can be formed as other structures.For example, having
Embodiment in, central deflector 40 is formed as one end and is connected on flow distribution plate 30, between the other end and the inner wall of fan shroud 20
It is separated with the plate in gap.In another example central 40 one end of deflector is connected on flow distribution plate 30, the other end in the embodiment having
It is connected on the inner wall of fan shroud 20, is evenly equipped with through-hole etc. on central deflector 40.
In some embodiments, the wall surface of the separate fan shroud 20 of exhaust fume collecting hood 10 is equipped with air-inlet grille 130, air-inlet grille
130 are equipped with oil smoke import 120, and air-inlet grille 130 tilts down setting, air-inlet grille 130 and level in a rearward direction
The angle in face is a2, and a2 meets relational expression: 0 °≤a2≤45 °.It is understood that cooking fume stream by oil smoke import 120 into
Needing to first pass through air-inlet grille 130 when entering in smoke collecting chamber 110, air-inlet grille 130 can play condensation to oil smoke air-flow, from
And improve filtration of the range hood 1 to oil smoke air-flow.And air-inlet grille 130 is down-set in a rearward direction, this
The inclined direction of sample is conducive to the droplet that condensation generates and flows into the catchment cup 60 for being located at 130 rear side of air-inlet grille.
Certainly, what needs to be explained here is that, in an embodiment of the present invention, air-inlet grille 130 can be formed as plate
It can be formed as cambered plate, or the curved slab according to certain bending rule.In addition, the angle of air-inlet grille 130 and horizontal plane
0 ° -45 ° are also not limited to, but can be adjusted according to the actual situation.
In some embodiments, as shown in Fig. 2, the front end of smoke collecting chamber 110 has the preceding prominent chamber dashed forward before opposite blower chamber 210
111, the upper wall surface of preceding prominent chamber 111 is connected with the front side wall of blower chamber 210, lower wall surface and 130 phase of air-inlet grille of preceding prominent chamber 111
Even.It is understood that smoke collecting chamber 110 has the preceding prominent chamber 111 of opposite blower chamber 210, the presence of preceding prominent chamber 111 is able to ascend
The volume of smoke collecting chamber 110 enhances oil suction to increase oil smoke air-flow near zone ground fluid ability at oil smoke import 120
Smoke machine 1 holds together cigarette effect.
In certain embodiments, the upper wall surface of preceding prominent chamber 111 is coplanar with central deflector 40, preceding prominent chamber 111
Lower wall surface and the linkage section of air-inlet grille 130 be formed as the cambered surface to raise upward.The upper face of preceding prominent chamber 111 and central water conservancy diversion
Plate 40 is coplanar with, that is to say, that the upper wall surface of prominent chamber 111 can extend in blower chamber 210 with shape before in some embodiments
At central deflector 40, the internal structure of range hood 1 is thereby simplified, reduces the production cost of range hood 1.
Additional description is needed exist for, the shape of preceding prominent chamber 111 is not limited to above-mentioned shape, the antetheca of preceding prominent chamber 111
Face, upper wall surface and lower wall surface can be formed as rectangle, oblong or any other irregular shape.Certainly, in the present invention
In other embodiments, the front end of smoke collecting chamber 110 prominent chamber 111 before can also being not provided with, i.e., in some embodiments, smoke collecting chamber 110
The leading flank of leading flank and blower chamber 210 be coplanar with.
In some embodiments, smoke collecting chamber 110 is connected to blower chamber 210 by communication port, and smoke collecting chamber 110 connects including face
Divide chamber in port setting, be located in divide the left side on the left of chamber to divide chamber, and divide the right side on the right side of chamber to divide chamber in being located at.It is understood that
It is that the length of smoke collecting chamber 110 is greater than the width of blower chamber 210, oil smoke air-flow is made to flow to blower chamber from smoke collecting chamber 110 in this way
It is decrement flowing when 210, that is to say, that oil smoke air-flow generates gather effect in smoke collecting chamber 110, compared with prior art, sets in this way
Set smoke collecting chamber 110 and blower chamber 210 can cancel play the role of that auxiliary holds together cigarette in the prior art hold together cigarette plate, not only simplify suction
The complete machine structure of kitchen ventilator 1, additionally it is possible to reduce the phenomenon that user's head collides range hood 1 generation.
In some specific embodiments, as shown in figure 3, air-inlet grille 130 is equipped with divide chamber to be arranged in corresponding first
The third air-permeating hole 123 that the second air-permeating hole 122 and a corresponding left side that air-permeating hole 121, the corresponding right side divide chamber to be arranged divide chamber to be arranged, first thoroughly
Air holes 121, the second air-permeating hole 122 and third air-permeating hole 123 extend along the front-rear direction of air-inlet grille 130.
It is understood that the first air-permeating hole 121 of air-inlet grille 130, the second air-permeating hole 122 and third air-permeating hole 123
Extend along the front-rear direction of air-inlet grille 130, can reduce oil smoke air-flow in this way and deviate wall such as during being sucked
Shown in Fig. 6-Fig. 7, compared with prior art, the range hood 1 of the embodiment of the present invention avoids oil smoke during aspirating oil smoke
It is adhered to surface of wall, also reduces leakage cigarette phenomenon.According to the structure of air-inlet grille 130 it is found that the separate blower of exhaust fume collecting hood 10
50 cover wall face is equipped with the left side of corresponding exhaust fume collecting hood 10, third air-permeating hole 123, the first air-permeating hole of the setting of intermediate and right side
121 and second air-permeating hole 122, the smoke absorption effect of range hood 1 is significantly improved in this way, and by the first air-permeating hole 121,
Two air-permeating holes 122 and third air-permeating hole 123 extend along the front-rear direction of air-inlet grille 130, in this way can be to a certain extent
Reduction exhaust fume collecting hood 10 width, compared with prior art the range hood 1 of the embodiment of the present invention have smaller width, reduce
User's head hits the possibility of range hood 1, improves the safety of range hood 1.
Supplementary explanation is needed exist for, the first air-permeating hole 121, the second air-permeating hole 122 and third air-permeating hole 123 can edges
The width direction of exhaust fume collecting hood 10 is spaced apart, and the length of the first air-permeating hole 121, the second air-permeating hole 122 and third air-permeating hole 123 can
With it is identical can not also be identical.
In some embodiments, the central axis of blower 50 and there is angle a3 in the front-back direction between horizontal line, a3 is full
Sufficient relational expression: 0 °≤a3≤60 °.The central axis of blower 50 determines the drive of blower 50 with horizontal angle in the front-back direction
The size of wind effect and blower chamber 210, therefore the central axis of blower 50 and water in the front-back direction in an embodiment of the present invention
Angle between horizontal line, which is not limited to 0 ° -60 °, to be adjusted according to the actual situation.
Embodiment:
As Figure 1-Figure 5, the range hood 1 of the present embodiment includes fan shroud 20, exhaust fume collecting hood 10, flow distribution plate 30 and center
Deflector 40.Fan shroud 20 limits blowing machine chamber 210, is equipped with blower 50 in blower chamber 210, exhaust fume collecting hood 10 is located at fan shroud 20
Lower section, and the smoke collecting chamber 110 being connected to blower chamber 210 is limited, smoke collecting chamber 110 has the oil smoke import 120 for collecting oil smoke, point
Flowing plate 30 is located at two points of chambers 211 that blower chamber 210 is divided into the air inlet directional spreding along blower 50 in blower chamber 210, wind
Before machine 50 is located in side-cavity 211.
The air inlet 510 of the corresponding blower 50 of flow distribution plate 30 is arranged, and flow distribution plate 30 includes two mounting bars and multiple grille strips
310, two mounting bars are oppositely arranged, and each mounting bar is connected with the side wall of fan shroud 20, and are directed away from the side of exhaust fume collecting hood 10
To extension, the both ends of each grille strip 310 are connected with two mounting bars respectively, and multiple grille strips 310 are along the extension side of mounting bar
To being spaced apart.The extension of 50 direction of blower is directed away from two not connect with the connection strap side of each grille strip 310
The flange of setting.The spacing of two neighboring grille strip 310 is d, and d meets relational expression: 1mm≤d≤50mm, each grille strip 310
Width be b, meet relational expression: 5mm≤b≤15mm.
One end of central deflector 40 is connected with the inner wall of fan shroud 20, central deflector 40 in a rearward direction to
Upper inclination extends, and the angle of central deflector 40 and the vertical plane of the up and down direction along fan shroud 20 is a1, and a1 meets relational expression:
10°≤a1≤90°.It is equipped at neighbouring one end that it is connected with the inner wall of fan shroud 20 along fan shroud 20 on central deflector 40
The spaced multiple grate openings 410 of left and right directions, and between the other end and flow distribution plate 30 of central deflector 40 between be separated with
Gap.
The wall surface of the separate fan shroud 20 of exhaust fume collecting hood 10 be equipped with air-inlet grille 130, air-inlet grille 130 be equipped with oil smoke into
Mouth 120, air-inlet grille 130 tilt down setting in a rearward direction, and air-inlet grille 130 and the angle of horizontal plane are a2, a2
Meet relational expression: 0 °≤a2≤45 °.
The front end of smoke collecting chamber 110 has the preceding prominent chamber 111 dashed forward before opposite blower chamber 210, the upper wall surface and wind of preceding prominent chamber 111
The front side wall of machine cavity 210 is connected, and the lower wall surface of preceding prominent chamber 111 is connected with air-inlet grille 130.The upper wall surface of preceding prominent chamber 111 is in
Centre deflector 40 is coplanar with, and the lower wall surface of preceding prominent chamber 111 and the linkage section of air-inlet grille 130 are formed as the arc to raise upward
Face.
Smoke collecting chamber 110 is connected to blower chamber 210 by communication port, and smoke collecting chamber 110 includes dividing in the setting of face communication port
Chamber, be located in divide the left side on the left of chamber to divide chamber, and divide the right side on the right side of chamber to divide chamber in being located at.Air-inlet grille 130, which is equipped in corresponding, to be divided
The third that the second air-permeating hole 122 and a corresponding left side that first air-permeating hole 121 of chamber setting, the corresponding right side divide chamber to be arranged divide chamber to be arranged is ventilative
Hole 123, the first air-permeating hole 121, the second air-permeating hole 122 and third air-permeating hole 123 are multiple, and before air-inlet grille 130
Rear direction extends.Multiple first air-permeating holes 121, multiple second air-permeating holes 122 and multiple third air-permeating holes 123 are along exhaust fume collecting hood 10
Left and right directions interval setting.
First air-permeating hole 121, the second air-permeating hole 122 and third air-permeating hole 123 are formed as strip, the second air-permeating hole 122
Length be equal to the length of third air-permeating hole 123, the length of the second air-permeating hole 122 and third air-permeating hole 123 is respectively less than first thoroughly
The length of air holes 121.
The range hood 1 of the present embodiment has the advantage that compared with prior art
(1), width shortens 15% or more compared with top-sucking kitchen ventilator 1, solves traditional top-sucking kitchen ventilator 1 and easily touches
The problem of head；
(2), the overall dimensions of range hood 1 are smaller, and it is more excellent that oil smoke effect is absorbed under identical air quantity；
(3), noise level is lower；
(4), oil smoke deviates wall during absorption, is not easy to be adhered to surface of wall；
(5), the elevating mechanism that external auxiliary holds together cigarette is eliminated, the structure of range hood 1 is simplified；
(6), triple grill designs are used, it is effective to cross filtering fume, while being conducive to noise suppression；
(7), reduce local eddy currents loss, improve complete machine working efficiency；
(8), increase air-flow in the fluid ability of 120 near zone of oil smoke import, strengthen and hold together cigarette effect；
(9), compared to traditional range hood 1, fluid resistance loss is significantly reduced, aerodynamic noise is reduced.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (13)
1. a kind of range hood characterized by comprising
Fan shroud, the fan shroud limit blowing machine chamber, and the blower is intracavitary to be equipped with blower；
Exhaust fume collecting hood, the exhaust fume collecting hood are located at the lower section of the fan shroud, and limit the smoke collecting chamber being connected to the blower chamber, institute
Stating smoke collecting chamber has the oil smoke import for collecting oil smoke；
Flow distribution plate, it is intracavitary being divided into the blower chamber along the air inlet direction of the blower point that the flow distribution plate is located at the blower
At least two points of chambers of cloth, the blower, which is located at described in one of them, to be divided in chamber；
Central deflector, the center deflector is located at equipped with point intracavitary described in the blower, and the central deflector position
In the lower section of the blower and the flow distribution plate.
2. range hood according to claim 1, which is characterized in that the air inlet that the flow distribution plate corresponds to the blower is set
It sets, flow distribution plate includes:
Two mounting bars, described two mounting bars are oppositely arranged, and each mounting bar is connected with the side wall of the fan shroud, and
The direction for being directed away from the exhaust fume collecting hood extends；
Grille strip, the grille strip be it is multiple, the both ends of each grille strip are connected with described two mounting bars respectively, multiple
The grille strip is spaced apart along the extending direction of the mounting bar.
3. range hood according to claim 2, which is characterized in that each grille strip is equipped at least one direction
The flange being extended far from the blower direction.
4. range hood according to claim 2, which is characterized in that the spacing of the two neighboring grille strip is d, and d is full
Sufficient relational expression: the width of 1mm≤d≤50mm, each grille strip are b, meet relational expression: 5mm≤b≤15mm.
5. range hood according to claim 1, which is characterized in that one end of the center deflector and the fan shroud
Inner wall be connected, it is described center deflector in a rearward direction upwards inclination extend, it is described center deflector with along described
The angle of the vertical plane of the up and down direction of fan shroud is a1, and a1 meets relational expression: 10 °≤a1≤90 °.
6. range hood according to claim 5, which is characterized in that adjacent to itself and the blower on the center deflector
The spaced multiple grate openings of left and right directions along the fan shroud are equipped at the connected one end of the inner wall of cover.
7. range hood according to claim 5, which is characterized in that the other end of the center deflector and the shunting
Gap is separated between plate.
8. range hood according to claim 1, which is characterized in that the wall surface far from the fan shroud of the exhaust fume collecting hood
It is equipped with air-inlet grille, the air-inlet grille is equipped with the oil smoke import, and the air-inlet grille is downward in a rearward direction
It is obliquely installed, the angle of the air-inlet grille and horizontal plane is a2, and a2 meets relational expression: 0 °≤a2≤45 °.
9. range hood according to claim 8, which is characterized in that the front end of the smoke collecting chamber has the relatively described blower
The preceding prominent chamber dashed forward before chamber, the upper wall surface of prominent chamber is connected with the front side wall of the blower chamber before described, the lower wall surface of prominent chamber before described
It is connected with the air-inlet grille.
10. range hood according to claim 9, which is characterized in that the upper wall surface of prominent chamber is led with the center before described
Flowing plate is coplanar with, and the lower wall surface of prominent chamber and the linkage section of the air-inlet grille are formed as the cambered surface to raise upward before described.
11. range hood according to claim 8, which is characterized in that the smoke collecting chamber passes through with the blower chamber to be connected to
Mouthful connection, the smoke collecting chamber include divide chamber in the setting of communication port described in face, divide the left side on the left of chamber to divide chamber in described, and
The right side on the right side of chamber is divided to divide chamber in described.
12. range hood according to claim 11, which is characterized in that the air-inlet grille, which is equipped with to correspond in described, to be divided
The third that the second air-permeating hole and a corresponding left side that first air-permeating hole of chamber setting, the corresponding right side divide chamber to be arranged divide chamber to be arranged is ventilative
Hole, the front-rear direction of first air-permeating hole, second air-permeating hole and the third air-permeating hole along the air-inlet grille prolong
It stretches.
13. range hood described in any one of -12 according to claim 1, which is characterized in that the central axis of the blower with
Between horizontal line there is angle a3, a3 to meet relational expression in the front-back direction: 0 °≤a3≤60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134271.0A CN108980947B (en) | 2018-09-27 | 2018-09-27 | Fume exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134271.0A CN108980947B (en) | 2018-09-27 | 2018-09-27 | Fume exhaust fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108980947A true CN108980947A (en) | 2018-12-11 |
| CN108980947B CN108980947B (en) | 2023-09-05 |
Family
ID=64544000
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811134271.0A Active CN108980947B (en) | 2018-09-27 | 2018-09-27 | Fume exhaust fan |
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| Country | Link |
|---|---|
| CN (1) | CN108980947B (en) |
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| CN110514569A (en) * | 2019-07-08 | 2019-11-29 | 佛山市顺德区阿波罗环保器材有限公司 | The ducting assembly of strainability detection system of fume filtering element |
| CN114811696A (en) * | 2022-05-30 | 2022-07-29 | 杭州老板电器股份有限公司 | Cooking fume remover |
| EP4180726A1 (en) * | 2021-11-10 | 2023-05-17 | Berbel Ablufttechnik GmbH | Extractor hood |
| EP4180725A1 (en) * | 2021-11-10 | 2023-05-17 | Berbel Ablufttechnik GmbH | Extractor hood |
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| CN201121933Y (en) * | 2007-10-12 | 2008-09-24 | 尹协谦 | High fine purification near-suction type cooking fume exhauster |
| CN106568109A (en) * | 2016-11-11 | 2017-04-19 | 宁波方太厨具有限公司 | Noise reducing impeller and range hood applying impeller |
| CN206207517U (en) * | 2016-11-11 | 2017-05-31 | 宁波方太厨具有限公司 | A kind of noise reduction impeller and application have the range hood of the impeller |
| CN107449001A (en) * | 2017-07-31 | 2017-12-08 | 广东美的厨房电器制造有限公司 | Range hood |
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| CN101038103A (en) * | 2006-03-17 | 2007-09-19 | 安薪实业有限公司 | Auxiliary smoke discharging structure and method thereof |
| CN201121933Y (en) * | 2007-10-12 | 2008-09-24 | 尹协谦 | High fine purification near-suction type cooking fume exhauster |
| CN106568109A (en) * | 2016-11-11 | 2017-04-19 | 宁波方太厨具有限公司 | Noise reducing impeller and range hood applying impeller |
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| CN110514569A (en) * | 2019-07-08 | 2019-11-29 | 佛山市顺德区阿波罗环保器材有限公司 | The ducting assembly of strainability detection system of fume filtering element |
| EP4180726A1 (en) * | 2021-11-10 | 2023-05-17 | Berbel Ablufttechnik GmbH | Extractor hood |
| EP4180725A1 (en) * | 2021-11-10 | 2023-05-17 | Berbel Ablufttechnik GmbH | Extractor hood |
| CN114811696A (en) * | 2022-05-30 | 2022-07-29 | 杭州老板电器股份有限公司 | Cooking fume remover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108980947B (en) | 2023-09-05 |
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