CN108980944A - Range hood - Google Patents
Range hood Download PDFInfo
- Publication number
- CN108980944A CN108980944A CN201811133348.2A CN201811133348A CN108980944A CN 108980944 A CN108980944 A CN 108980944A CN 201811133348 A CN201811133348 A CN 201811133348A CN 108980944 A CN108980944 A CN 108980944A
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- CN
- China
- Prior art keywords
- oil smoke
- exhaust fume
- fume collecting
- plate
- range hood
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
Abstract
The invention discloses a kind of range hood, the range hood includes fan shroud, exhaust fume collecting hood, at least one oil smoke condensation plate of fan shroud and catchment cup.Fan shroud limits blowing machine chamber, and blower is intracavitary to be equipped with blower, and blower includes the air inlet of backward opening, and exhaust fume collecting hood is located at the lower section of fan shroud, and limits the smoke collecting chamber being connected to blower chamber.Oil smoke condensation plate is located in smoke collecting chamber, and oil smoke condensation plate is in a rearward direction towards setting is tilted down, and oil smoke condensation plate was equipped with air holes, and catchment cup is located at the lower section of exhaust fume collecting hood, and is connected with the squab panel of exhaust fume collecting hood, and catchment cup is for collecting cold oil.Oil smoke condensation plate is arranged close to the squab panel of exhaust fume collecting hood, and has the first gap between the squab panel of exhaust fume collecting hood.Range hood according to an embodiment of the present invention reduces the speed of blower accumulation greasy dirt, ensure that the clean-up performance of range hood, to improve client's user satisfaction due to being equipped with oil smoke condensation plate in smoke collecting chamber.
Description
Technical field
The present invention relates to domestic electric appliance field more particularly to a kind of range hoods.
Background technique
During lampblack-pumped, oil smoke can condense range hood when encountering the inside sheet metal structural of range hood,
The oil droplet that condensation generates can flow into the catchment cup of range hood.But existing range hood often occur condense oil droplet it is low
The phenomenon that falling on hearth generation, significantly reduces customer experience.
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 can largely reduce the drippage of cold oil, increase customer satisfaction degree.
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, the blower includes the air inlet of backward opening；Exhaust fume collecting hood, the exhaust fume collecting hood are located at the fan shroud
Lower section, and limit the smoke collecting chamber being connected to the blower chamber；At least one oil smoke condensation plate, the oil smoke condensation plate are located at institute
It states in smoke collecting chamber, in a rearward direction towards setting is tilted down, the oil smoke condensation plate was equipped with the oil smoke condensation plate
Air holes；Catchment cup, the catchment cup are located at the lower section of the exhaust fume collecting hood, and are connected with the squab panel of the exhaust fume collecting hood, the collection
Lubricating cup is for collecting cold oil；Wherein: the oil smoke condensation plate close to the exhaust fume collecting hood squab panel be arranged, and with the collection cigarette
There is the first gap between the squab panel of cover.
Range hood according to an embodiment of the present invention, due in smoke collecting chamber be equipped with oil smoke condensation plate so that flow to wind
The oil content of the oil smoke air-flow of the air inlet of machine reduces, and reduces the speed of blower accumulation greasy dirt, ensure that range hood
Clean-up performance, to improve client's user satisfaction.
In some embodiments, the oil smoke condensation plate and the angle between the exhaust fume collecting hood in the front-back direction horizontal plane
Meet relational expression for a1, a1: 20 °≤a1≤60 °.
In some embodiments, the oil smoke condensation plate is two, and two oil smoke condensation plates are along the smoke collecting chamber
Up and down direction is spaced apart, and the spacing between two oil smoke condensation plates is L1, and L1 meets relational expression: 5mm≤L1≤50mm.
In some more specific embodiments, a multiple left sides along the smoke collecting chamber are equipped on each oil smoke condensation plate
The air holes excessively that right direction is spaced apart, each air holes of crossing are formed as the length extended along the front-rear direction of the exhaust fume collecting hood
Bar shaped, multiple air holes of crossing on two oil smoke condensation plates are in staggered distribution on the left and right directions of the smoke collecting chamber.
In some embodiments, each width for crossing air holes is b1, length L1, the same oil smoke condensation plate
On the two neighboring spacing for crossing air holes be d1, b1, L2, d1 meet relational expression: 4mm≤d1≤15mm；2≤L2/b1≤
10。
In some embodiments, the range hood, further includes: central deflector, the center deflector are located at
In the exhaust fume collecting hood, it is described center deflector front end be connected with the front panel of the exhaust fume collecting hood, and in a rearward direction to
On be obliquely installed, it is described center deflector rear end and the oil smoke condensation plate front end have the second gap.
In some specific embodiments, the rear end of the center deflector is higher than the front end of the oil smoke condensation plate, institute
The vertical range of the rear end and the oil smoke condensation plate of stating central deflector is L3, and L3 meets relational expression: L3 >=40mm.
In some more specific embodiments, the center deflector projection in the horizontal plane and the oil smoke condensation plate
Projection in the horizontal plane has overlapping region, and the overlapping region is strip, and is prolonged along the length direction of the exhaust fume collecting hood
It stretches, the width of the overlapping region is b2, and b2 meets relational expression: 0mm < b2≤20mm.
In some embodiments, the width in first gap is d2, and d2 meets relational expression: 35mm≤d2≤40mm.
In some embodiments, the range hood further includes condensing grid, and the condensation grid is equipped with and is used for
The air-permeating hole of oil smoke is collected, the condensation grid is located on the siding far from the fan shroud of the exhaust fume collecting hood and backward
Side is obliquely installed upwardly toward under.
In some specific embodiments, the lower end of the squab panel of the exhaust fume collecting hood is equipped with the first flange extended forward,
The rear end of the condensation grid is equipped with the second flange for extending downwardly, between first flange and second flange between be separated with
Third space, the catchment cup are located at below the third space.
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 internal structure chart of the range hood of the embodiment of the present invention.
Fig. 2 is the internal structure chart of another angle of the range hood of the embodiment of the present invention.
Fig. 3 is the internal structure chart of the another angle of the embodiment of the present invention.
Fig. 4 is the structural schematic diagram of the oil smoke condensation plate of the embodiment of the present invention.
Appended drawing reference:
Range hood 1,
Fan shroud 10, blower chamber 110,
Exhaust fume collecting hood 20, smoke collecting chamber 210, the first flange 220,
Preceding noise reducing plate 30a, preceding noise reduction cavity 310a,
Afterwards noise reducing plate 30b, rear noise reduction cavity 310b,
Central deflector 40a, grate opening 410a,
Flow distribution plate 40b, grille strip 410b,
Left noise reducing plate 50a, left noise reduction cavity 510a,
Right noise reducing plate 50b50b, right noise reduction cavity 510b,
Oil smoke condensation plate 60, excessively air holes 610,
Condense grid 70, the first air-permeating hole 710, the second air-permeating hole 720, the second flange 730,
Blower 80, air inlet 810.
Catchment cup 90.
First gap 100a, the second gap 100b, third space 100c.
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 " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition, limit
There is the feature of " first ", " second " to can explicitly or implicitly include one or more of the features surely.Of the invention
In description, 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 1 according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 4.
As Figure 1-Figure 2, range hood 1 according to an embodiment of the present invention includes fan shroud 10, exhaust fume collecting hood 210, at least
One oil smoke condensation plate 60 and catchment cup 90.Fan shroud 10 limits blowing machine chamber 110, is equipped with blower 80, blower in blower chamber 110
80 include the air inlet 810 of backward opening, and exhaust fume collecting hood 210 is located at the lower section of fan shroud 10, and limits and be connected to blower chamber 110
Smoke collecting chamber 210, oil smoke condensation plate 60 is located in smoke collecting chamber 210, and oil smoke condensation plate 60 is in a rearward direction towards tilting down
Setting, oil smoke condensation plate 60 were equipped with air holes 610, and catchment cup 90 is located at the lower section of exhaust fume collecting hood 210, and with exhaust fume collecting hood 210
Squab panel is connected, and catchment cup 90 is for collecting cold oil.Oil smoke condensation plate 60 is arranged close to the squab panel of exhaust fume collecting hood 210, and with
There is the first gap 100a between the squab panel of exhaust fume collecting hood 210.
It is understood that the air inlet 810 due to blower 80 is arranged backwards, and the oil smoke condensation plate in exhaust fume collecting hood 210
60 are located at the position of the squab panel close to exhaust fume collecting hood 210, and cooking fume stream can be from oil smoke condensation plate 60 after entering smoke collecting chamber 210
It crosses air holes 610 and enters blower chamber 110.It can be condensed when oil smoke air-flow touches oil smoke condensation plate 60 in the process, so that
The air inlet 810 for flowing to blower 80 at oil smoke air-flow oil content reduce, reduce blower 80 accumulate greasy dirt speed, protect
The clean-up performance of range hood 1 is demonstrate,proved.Since oil smoke condensation plate 60 is downwardly inclined setting in a rearward direction, can make in this way
Oil droplet must be condensed to slide to the back-end along oil smoke condensation plate 60, to be slipped in catchment cup 90 by the first gap 100a.This
Outside, the condensation oil droplet generated at the air inlet 810 of blower 80 it is low on oil smoke condensation plate 60 when, can also conveniently slide
It falls in catchment cup 90, so that reducing oil droplet drops onto possibility on hearth.
Range hood 1 according to an embodiment of the present invention, due to being equipped with oil smoke condensation plate 60 in smoke collecting chamber 210, so that
The oil content for flowing to the oil smoke air-flow at the air inlet 810 of blower 80 reduces, and reduces the speed that blower 80 accumulates greasy dirt, guarantees
The clean-up performance of range hood 1, to improve client's user satisfaction.
In some embodiments, oil smoke condensation plate 60 and the angle between exhaust fume collecting hood 210 in the front-back direction horizontal plane are
A1, a1 meet relational expression: 20 °≤a1≤60 °.It is understood that the angle of oil smoke condensation plate 60 and horizontal plane it is excessive or
The too small oil droplet that can all influence the generation of oil smoke condensation slides and enters the effect of catchment cup 90 along oil smoke condensation plate 60.
When the angle of oil smoke condensation plate 60 and horizontal plane is in the range of 20 ° -60 °, oil smoke condensation plate 60, which can then have, is preferably led
The effect for flowing oil droplet, so that reducing oil droplet drops onto the possibility of hearth, to improve client's user satisfaction.Certainly, this
In it should be added that, the value of oil smoke condensation plate 60 and the angle a1 between exhaust fume collecting hood 20 in the front-back direction horizontal plane
It is not limited to above-mentioned possibility, a1 can make specific adjustment according to the actual situation and be not necessarily limited to above range.
In some embodiments, oil smoke condensation plate 60 is two, upper and lower of two oil smoke condensation plates 60 along smoke collecting chamber 210
To being spaced apart, the spacing between two oil smoke condensation plates 60 is L1, and L1 meets relational expression: 5mm≤L1≤50mm.It is understood that
, the distance of two oil smoke condensation plates 60 is too small to be will increase installation difficulty and cannot be guaranteed condensation effect, then can apart from excessive
Cause the height of smoke collecting chamber 210 larger, to increase the size of entire range hood 1.In the embodiment of the present invention, by two
Spacing control between a oil smoke condensation plate 60 both can guarantee condensation effect between 5mm-50mm, reduce installation difficulty, and can
To control the size of range hood 1, to control production cost.Certainly, in other embodiments of the invention, the value model of L1
It encloses and is not limited to above range, but specific adjustment can be made according to actual needs.
In some more specific embodiments, multiple left and right along smoke collecting chamber 210 are equipped on each oil smoke condensation plate 60
The mistake air holes 610 that direction is spaced apart, each air holes 610 of crossing are formed as the strip extended along the front-rear direction of exhaust fume collecting hood 210,
Multiple air holes 610 of crossing on two oil smoke condensation plates 60 are in staggered distribution on the left and right directions of smoke collecting chamber 210.It is understood that
It is that two oil smoke condensation plates 60 are equipped with multiple air holes 610 of crossing and also guarantee while ensure that oil smoke air-flow condensation effect
Oil smoke flow velocity in smoke collecting chamber 210, to ensure that the fume-exhausting efficiency of range hood 1.In addition, two oil smoke condensation plates 60
On multiple windy holes be arranged in a staggered manner in the lateral direction, the contact area of oil smoke air-flow Yu oil smoke condensation plate 60 can be increased,
To improve the condensation effect to oil smoke air-flow to a certain extent.
Additional description is needed exist for, previously described strip can be rectangle, is also possible to oblong, may be used also
To be ellipse or oblong etc..Certainly, in other embodiments of the invention, crossing air holes 610 may be formed as it
His shape, does not illustrate herein.
In some embodiments, each width for crossing air holes 610 is b1, length L2, on the same oil smoke condensation plate 60
The two neighboring spacing for crossing air holes 610 be d1, b1, L1, d1 meet relational expression: 4mm≤d1≤15mm；2≤L2/b1≤10.
What needs to be explained here is that the restriction of the above-mentioned size range for being directed to air holes 610 is only to guarantee ventilative effect and condensation effect
Under more preferably select, be not considered critical.That is, in other embodiments of the invention, crossing the above-mentioned ruler of air holes 610
It is very little to make corresponding adjustment according to the actual situation.
In some embodiments, as shown in Fig. 2-Fig. 3, range hood 1 further includes central deflector 40a, central deflector
40a's is located in exhaust fume collecting hood 210, and the front end of central deflector 40a is connected with the front panel of exhaust fume collecting hood 210, and in side backward
It is obliquely installed upwards upwards, the rear end of central deflector 40a and the front end of oil smoke condensation plate 60 have the second gap 100b.
It is understood that after oil smoke air-flow enters smoke collecting chamber 210 from oil smoke import, due to leading for central deflector 40a
Stream effect, so that oil smoke air-flow is towards the rear side of blower chamber 110, so that most of cooking fume flows through the air inlet of blower 80
810 enter blower 80, are conducive to blower 80 and a large amount of oil smoke air-flows are discharged, avoid oil smoke air-flow in the spiral case and blower of blower 80
Vortex is generated between cover 10 increases oil smoke air-flow in the oil absorption efficiency drop for accumulating to reduce range hood 1 of blower chamber 110
Low phenomenon occurs.At the same time, oil smoke air-flow touches central deflector 40a, central deflector before entering blower 80
40a can flow into cooking fume air-cooled solidifying, so that condensed small oil droplet slides, the filtering to oil smoke air-flow is effectively promoted
Effect.
In addition, there is the second gap 100b between oil smoke condensation plate 60 and central deflector 40a, it can guarantee oil smoke air-flow
The second gap 100b is passed through under the guide functions of central deflector 40a and enters blower chamber 110, avoids oil smoke air-flow in collection cigarette
Accumulation in chamber 210, to ensure that the smoke pumping efficiency of range hood 1.Here additional description is needed, the second gap 100b can
To be to be also possible to along the gap of the up and down direction of exhaust fume collecting hood 210 along the gap in the front-back direction of exhaust fume collecting hood 210.That is, oily
The front end of cigarette cold plate 60 and the rear end of central isolation board can in the same plane, can not also be in the same plane.
In some specific embodiments, as shown in Fig. 2, the rear end of central deflector 40a is higher than oil smoke condensation plate 60
Front end, the rear end of central deflector 40a and the vertical range of oil smoke condensation plate 60 are L2, and L2 meets relational expression: L2 >=40mm.By
This, it is ensured that oil smoke air-flow passes through the second gap 100b under the guide functions of central deflector 40a and enters blower chamber 110,
It avoids oil smoke air-flow to accumulate in smoke collecting chamber 210, to ensure that the smoke pumping efficiency of range hood 1.Certainly, the range of L2
It is more big more can guarantee that oil smoke air-flow can be stable flow in blower chamber 110, but the value of L2 is excessive then to a certain degree
On increase the volume of range hood 1, improve the production cost of range hood 1.Therefore L2 can be controlled and is being more than or equal to
To guarantee the oil smoke flow for entering blower chamber 110 in the range of 40mm, and the maximum magnitude of L2 can be made according to actual needs
Selection, does not limit herein.
In some more specific embodiments, the projection of central deflector 40a in the horizontal plane and oil smoke condensation plate 60 exist
Projection on horizontal plane has overlapping region.It is understood that if the projection of center deflector 40a in the horizontal plane and oil
The no overlapping region of the projection of cigarette cold plate 60 in the horizontal plane, that is to say, that the part oil smoke air-flow inside smoke collecting chamber 210 can
Be directly entered blower chamber 110 neither to contact oil smoke condensation plate 60 nor contact central deflector 40a, this fraction and without
The condensation for crossing center deflector 40a either oil smoke condensation plate 60, reduces the filter effect of range hood 1, increases blower
Greasy dirt attachment on 80.And in embodiments of the present invention, the projection of central deflector 40a in the horizontal plane and oil smoke condensation plate 60
Projection in the horizontal plane has overlapping region, so that is bound into the oil smoke air-flow in exhaust fume collecting hood 210 by center
The condensation of deflector 40a or oil smoke condensation plate 60 ensure that the filter effect of range hood 1, reduce the oil on blower 80
Dirt attachment.
Optionally, overlapping region is strip, and is extended along the length direction of exhaust fume collecting hood 210, and the width of overlapping region is
B2, b2 meet relational expression: 0mm < b2≤20mm.Certainly, what needs to be explained here is that, above in relation to overlapping region description only
It is to illustrate, rather than the restriction to overlapping region, in other embodiments of the invention, overlapping region can be formed as long
Round, ellipse or other irregular shapes, however it is not limited to above-mentioned shapes and sizes.
In some embodiments, the width of the first gap 100a is d2, and d2 meets relational expression: 35mm≤d2≤40mm.It can
With understanding, the excessive oil smoke that will lead to the formation of oil smoke condensation of the width of the first gap 100a is along oil smoke condensation plate 60
It cannot slide when sliding into its rear end into catchment cup 90, and the width of the first gap 100a is too small, will lead to oil smoke condensation plate
60 installation is more inconvenient.Therefore, the width of the first gap 100a being controlled can both guarantee that oil smoke air-flow was cold in 35mm-40mm
When the solidifying oil smoke formed slides into its rear end along oil smoke condensation plate 60, oil is steadily slid into catchment cup 90 and can be convenient
The installation of cigarette cold plate 60.Certainly, the width of the first gap 100a can be made being adaptively adjusted according to the actual situation and not limit to
In above range.
In some embodiments, as shown in figure 3, range hood 1 further includes condensation grid 70, condensation grid 70 is equipped with saturating
Air holes, on the siding of condensation grid 70 separate the fan shroud 10 that is located at exhaust fume collecting hood 210 and court tilts down in a rearward direction.
It is understood that working as kitchen ventilator at work, for oil smoke after condensing grid 70, mist of oil is cold under the action of condensing grid 70
Oil droplet is congealed into, oil droplet can be along condensation grid 70 towards sliding hence into the catchment cup 90 of range hood 1, and flue gas is through collecting
Enter inside fan shroud 10 inside petticoat pipe 210, is discharged under the driving of blower 80 outdoor.Oil smoke air-flow can be ventilative by being located at
Hole enters inside exhaust fume collecting hood 210, increases the area that condensation grid 70 absorbs oil smoke in this way, so that blower 80 produces when rotating
The raw negative pressure at condensation grid 70 is bigger, to realize the effect for increasing range hood 1 and absorbing oil smoke.Simultaneously, lattice are condensed
Grid 70 are formed on the siding of separate fan shroud 10 of exhaust fume collecting hood 210, and are condensed grid 70 and be formed towards 10 protrusion of fan shroud
Structure, such geometries shrink overall dimensions of exhaust fume collecting hood 210 avoid traditional range hood 1 and are also easy to produce user's head
The phenomenon that colliding exhaust fume collecting hood 210, improves the practical safety of range hood 1.
In some specific embodiments, as shown in figure 3, condensation grid 70 includes roof and is arranged around roof multiple
The air-permeating hole of strip is equipped on side wall, roof and side wall.For convenience of description, the air-permeating hole being located on roof is known as first
Air-permeating hole 710, the air-permeating hole being located on side wall are known as the second air-permeating hole 720, the first air-permeating hole 710 and the second air-permeating hole 720
Extending direction is vertical.It is understood that since the first air-permeating hole 710 and the second air-permeating hole 720 are mutually perpendicular to, and first is ventilative
Hole 710 is located on roof and the second air-permeating hole 720 is located on side wall, leads to the length of the first air-permeating hole 710 and the second air-permeating hole 720
Spend inconsistent, reduce flue gas in this way by air-permeating hole and to condense the noise that grid 70 vibrates, improve client use it is comfortable
Degree.
Additional description is needed, previously described strip can be rectangle, can be rectangular both ends and has
The oblong of semicircle can also be more flat ellipse, does not make specific shape to strip here and limits.
In some specific embodiments, extend forward as shown in Fig. 2, the lower end of the squab panel of exhaust fume collecting hood 210 is equipped with
The rear end of first flange 220, condensation grid 70 is equipped with the second flange 730 extended downwardly, the first flange 220 and the second flange
Third space 100c is separated between 730, catchment cup 90 is located at below third space 100c.As a result, when cooking fume flows through supercooling
The oil droplet dripped at the oil droplet and top blower 80 that condensation generates when solidifying grid 70 can be relatively easy to be guided to collection
In lubricating cup 90.
In some embodiments, the left end of oil smoke condensation plate 60 and right end respectively with the inner left wall of exhaust fume collecting hood 210 and the right side
Side inner wall is connected.Thus, it is possible to guarantee the connective stability of oil smoke condensation plate 60, oil smoke condensation plate 60 is avoided in oil smoke air-flow
Drive under there is a phenomenon where vibrate to increase range hood 1 operating noise generation.
In some embodiments, as shown in Fig. 2-Fig. 3, range hood 1 further includes flow distribution plate 40a, and flow distribution plate 40a corresponds to wind
The air inlet 810 of machine 80 is arranged, and flow distribution plate 40a includes multiple grille strip 410b, the both ends of each grille strip 410b respectively with wind
The side wall of hood 10 is connected, and multiple grille strip 410b are spaced apart along the up and down direction of fan shroud 10.
It is understood that flow distribution plate 40a is enabled to using the setting of air inlet 810 of cell structure and corresponding blower 80
Into the oil smoke air-flow more uniform and stable of blower 80,80 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 40a increases flow distribution plate 40a and oil smoke using cell structure
The contact area of air-flow, so that flow distribution plate 40a is improved to the condensation effect of oil smoke air-flow, to improve range hood 1
Filter effect.In addition, cell structure also helps the noise for absorbing and generating when blower 80 rotates, to reduce range hood 1
Operating noise.
In some embodiments, as shown in figure 3, range hood 1 further includes being spaced apart to divide along the direction of exhaust fume collecting hood 210 or so
The left noise reducing plate 50a and right noise reducing plate 50b of cloth, air-permeating hole is between left noise reducing plate 50a and right noise reducing plate 50b.It is understood that
, the internal perisporium of left noise reducing plate 50a and exhaust fume collecting hood 210 can limit left noise reduction cavity 510a, right noise reducing plate 50b and exhaust fume collecting hood
210 internal perisporium limits right noise reduction cavity 510b, can further decrease the operating noise of range hood 1 in this way.
In some specific embodiments, as shown in figure 3, the profile edge of left noise reducing plate 50a is interior with exhaust fume collecting hood 210
Peripheral wall is connected, and the profile edge of right noise reducing plate 50b is connected with the internal perisporium of exhaust fume collecting hood 210.It is understood that left noise reducing plate
The profile edge of 50a is connected with the internal perisporium of exhaust fume collecting hood 210, that is to say, that left noise reduction cavity 510a be formed as one it is more closed
Chamber, it is possible thereby to improve the noise reduction effect of left noise reduction cavity 510a, it is thus also avoided that oil smoke air-flow is directly entered left noise reduction cavity 510a
The phenomenon that reducing the smoke pumping effect of range hood 1, occurs.The profile edge of right noise reducing plate 50b and the internal perisporium of exhaust fume collecting hood 210
It is connected with identical effect, details are not described herein.Certainly, in some embodiments of the invention, left noise reducing plate 50a and right noise reduction
Plate 50b can also only be connected with the internal perisporium of exhaust fume collecting hood 210 on one side.
In some more specific embodiments, as shown in figure 3, left noise reducing plate 50a and right noise reducing plate 50b are in downwardly direction
On be directed away from mutual direction and extend.It is understood that due in a downward direction, left noise reducing plate 50a and right noise reduction
Plate 50b is directed away from mutual direction and extends, so that cooking fume can be in left noise reducing plate 50a and right drop when flowing into inlet air machine cavity 110
It makes an uproar and gathers under the action of plate 50b, thus further improve the smoke pumping effect of range hood 1.
It should be added that when range hood 1 includes left noise reducing plate 50a and right noise reducing plate 50b, oil smoke condensation plate
60 left and right sides can be connected with left noise reducing plate 50a and right noise reducing plate 50b respectively.It can further improve oil smoke condensation as a result,
The stability of plate 60, to inhibit the operating noise of range hood 1.
In some embodiments, as Figure 1-Figure 2, range hood 1 further includes preceding noise reducing plate 30a and rear noise reducing plate 30b,
Preceding noise reducing plate 30a is located in blower chamber 110, and is located at the axial front side of blower 80, and rear noise reducing plate 30b is located in blower chamber 110,
And it is located at the axial rear side of blower 80, preceding noise reducing plate 30a and rear noise reducing plate 30b are all formed as extending along the radial direction of blower 80
Plate.
It is understood that due to being respectively equipped with inside blower chamber 110 after the axial front side and axial direction of blower 80
The preceding noise reducing plate 30a and rear noise reducing plate 30b of side, therefore, the meeting of the outside radiated noise when rotated of blower 80 is in preceding noise reducing plate 30a
Decay under the action of rear noise reducing plate 30b, to reduce the noise generated when blower 80 rotates.At the same time, preceding drop
The plate 30a and rear noise reducing plate 30b that makes an uproar can also reduce making an uproar for the cooking fume miscarriage life flowed in blower chamber 110 to a certain extent
Sound.In addition, the plate that preceding noise reducing plate 30a and rear noise reducing plate 30b are formed as the radial direction extension along blower 80 being capable of certain journey
Guarantee that it, to noise alleviation ability, further reduced the operating noise of range hood 1 on degree.
It needs exist for, it is emphasized that preceding noise reducing plate 30a and rear noise reducing plate 30b are formed as tabular, is only to show preceding noise reduction
The surface of the face blower 80 of plate 30a and rear noise reducing plate 30b is plane, and there is no to preceding noise reducing plate 30a's and rear noise reducing plate 30b
Shape makes specific restriction.That is, in an embodiment of the present invention, preceding noise reducing plate 30a and rear noise reducing plate 30b can be formed
For various shapes such as circle, rectangle, sectors.
In some embodiments, as shown in Figure 1, the upper end of preceding noise reducing plate 30a is connected with the wainscot of fan shroud 10, preceding drop
The make an uproar lower end of plate 30a is connected by flange with the front face of fan shroud 10, flange, preceding noise reducing plate 30a, fan shroud 10 wainscot
And noise reduction cavity 310a before being limited between the front panel of fan shroud 10.It is understood that the upper end and lower end of preceding noise reducing plate 30a
It is connect with the siding of fan shroud 10, the connective stability of noise reducing plate 30a before capable of guaranteeing in this way, noise reducing plate 30a before reducing
The vibrating noise generated under the action of oil smoke air-flow, reduces the operating noise of range hood 1 to a certain extent.In addition,
Due to being formed with preceding noise reduction cavity 310a between preceding noise reducing plate 30a and fan shroud 10, the work for blower 80 of preferably having decayed
Noise improves customer experience to reduce the operating noise of range hood 1.
In some embodiments, rear to drop as shown in Figure 1, the upper end of rear noise reducing plate 30b is connected with the wainscot of fan shroud 10
The make an uproar lower end of plate 30b is connected by flange with the rear surface of fan shroud 10, flange, rear noise reducing plate 30b, fan shroud 10 wainscot
And rear noise reduction cavity 310b is limited between the squab panel of fan shroud 10.It is understood that the upper end and lower end of rear noise reducing plate 30b
It is connect with the siding of fan shroud 10, the connective stability of noise reducing plate 30b after capable of guaranteeing in this way reduces rear noise reducing plate 30b
The vibrating noise generated under the action of oil smoke air-flow, reduces the operating noise of range hood 1 to a certain extent.In addition,
Due to being formed with rear noise reduction cavity 310b between rear noise reducing plate 30b and fan shroud 10, the work for blower 80 of preferably having decayed
Noise improves customer experience to reduce the operating noise of range hood 1.
Embodiment:
The range hood 1 of the present embodiment includes fan shroud 10, exhaust fume collecting hood 210, two oil smoke condensation plates 60, preceding noise reducing plates
30a, rear noise reducing plate 30b, the central deflector 40a in center, flow distribution plate 40a, left noise reducing plate 50a and right noise reducing plate 50b.Fan shroud 10
Interior restriction blowing machine chamber 110, blower chamber 110 is interior to be equipped with blower 80, and exhaust fume collecting hood 210 is located at the lower section of fan shroud 10, and limits
The smoke collecting chamber 210 being connected to blower chamber 110, smoke collecting chamber 210 have oil smoke import.
Two oil smoke condensation plates 60 are spaced apart along the up and down direction of smoke collecting chamber 210, between two oil smoke condensation plates 60
Spacing is L1, and L1 meets relational expression: 5mm≤L1≤50mm.It is equipped on each oil smoke condensation plate 60 multiple along smoke collecting chamber 210
Air holes 610 is crossed at left and right directions interval, and each air holes 610 of crossing is formed as the strip extended along the front-rear direction of exhaust fume collecting hood 210, and two
Multiple air holes 610 of crossing on a oil smoke condensation plate 60 are in staggered distribution on the left and right directions of smoke collecting chamber 210.It is each to cross air holes 610
Width be b1, length L2, the two neighboring spacing for crossing air holes 610 on the same oil smoke condensation plate 60 is d1, b1, L2,
D1 meets relational expression: 4mm≤d1≤15mm；2≤L2/b1≤10.
Central deflector 40a is located in exhaust fume collecting hood 210, the front end of central deflector 40a and the front panel phase of exhaust fume collecting hood 210
Even, it and is obliquely installed upwards in a rearward direction, the rear end of central deflector 40a and the front end of oil smoke condensation plate 60 have the
Two gap 100b.One end that it is connected with the inner wall of fan shroud 10 is closed on central deflector 40a is equipped with grate opening 410a.In
The rear end of deflector 40a is entreated to be higher than the front end of oil smoke condensation plate 60, the rear end of central deflector 40a and hanging down for oil smoke condensation plate 60
Straight distance is L2, meets relational expression L2 >=40mm.The projection of central deflector 40a in the horizontal plane and oil smoke condensation plate 60 are in water
Projection in plane has overlapping region.Overlapping region is strip, and is extended along the length direction of exhaust fume collecting hood 210, and area is overlapped
The width in domain is b2, meets relational expression: 0mm < b2≤20mm.
Left noise reducing plate 50a and right noise reducing plate 50b are located inside exhaust fume collecting hood 210, and are spaced apart distribution, oil along the direction of left and right
Cigarette import is between left noise reducing plate 50a and right noise reducing plate 50b.The profile edge of left noise reducing plate 50a is interior with exhaust fume collecting hood 210
Peripheral wall is connected, and the profile edge of right noise reducing plate 50b is connected with the internal perisporium of exhaust fume collecting hood 210.Left noise reducing plate 50a and right noise reducing plate
50b is directed away from mutual direction in a downward direction and extends.
Preceding noise reducing plate 30a is located in blower chamber 110, and is located at the axial front side of blower 80, and rear noise reducing plate 30b is located at blower
In chamber 110, and it is located at the axial rear side of blower 80, preceding noise reducing plate 30a and rear noise reducing plate 30b are all formed as the radial direction along blower 80
The plate that direction extends.The upper end of preceding noise reducing plate 30a is connected with the wainscot of fan shroud 10, and the lower end of preceding noise reducing plate 30a passes through
Flange is connected with the front face of fan shroud 10, and the left end of preceding noise reducing plate 30a is connected with the left wall face of fan shroud 10, preceding noise reducing plate
The right end of 30a is connected with the right wall of fan shroud 10.Flange, preceding noise reducing plate 30a, the wainscot of fan shroud 10 and fan shroud 10
Noise reduction cavity 310a before being limited between front panel.Bottom of the flange lower than the spiral case of blower 80.Afterwards the upper end of noise reducing plate 30b with
The wainscot of fan shroud 10 is connected, and the lower end of rear noise reducing plate 30b is connected by flange with the rear surface of fan shroud 10, rear noise reducing plate
The left end of 30b is connected with the left wall face of fan shroud 10, and the right end of rear noise reducing plate 30b is connected with the right wall of fan shroud 10.Flange,
Rear noise reduction cavity 310b is limited between the squab panel of noise reducing plate 30b, the wainscot of fan shroud 10 and fan shroud 10 afterwards.Flange is lower than
The bottom of the spiral case of blower 80.
Condensation grid 70 is located on the siding of separate fan shroud 10 of exhaust fume collecting hood 210, and in a rearward direction under
Inclination.It condenses grid 70 and is equipped with the air-permeating hole of multiple front-rear directions extensions along the exhaust fume collecting hood 210 to constitute the oil smoke
Import.Condensation grid 70 is formed towards the structure of 10 protrusion of fan shroud and including roof and around multiple sides of roof setting
Wall is equipped with the first air-permeating hole 710 on roof, and left side wall and right side wall are equipped with the second air-permeating hole 720, the second air-permeating hole 720
Extending direction and the first air-permeating hole 710 extending direction it is orthogonal.
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 (11)
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, and the blower includes backward opening
Air inlet；
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；
At least one oil smoke condensation plate, the oil smoke condensation plate be located in the smoke collecting chamber, and the oil smoke condensation plate is backward
Side is obliquely installed upwardly toward under, and the oil smoke condensation plate was equipped with air holes；
Catchment cup, the catchment cup are located at the lower section of the exhaust fume collecting hood, and are connected with the squab panel of the exhaust fume collecting hood, the oil-collecting
Cup is for collecting cold oil；Wherein:
The oil smoke condensation plate is arranged close to the squab panel of the exhaust fume collecting hood, and has the between the squab panel of the exhaust fume collecting hood
One gap.
2. range hood according to claim 1, which is characterized in that the oil smoke condensation plate with before and after the exhaust fume collecting hood
Angle between the horizontal plane in direction is a1, and a1 meets relational expression: 20 °≤a1≤60 °.
3. range hood according to claim 1, which is characterized in that the oil smoke condensation plate is two, two oil
Cigarette cold plate is spaced apart along the up and down direction of the smoke collecting chamber, and the spacing between two oil smoke condensation plates is L1, and L1 is full
Sufficient relational expression: 5mm≤L1≤50mm.
4. range hood according to claim 3, which is characterized in that be equipped with multiple edges on each oil smoke condensation plate
The air holes excessively that the left and right directions of the smoke collecting chamber is spaced apart, each air holes of crossing are formed as before the exhaust fume collecting hood
The strip that rear direction extends, multiple air holes of crossing on two oil smoke condensation plates are in the left and right directions of the smoke collecting chamber
On be in staggered distribution.
5. range hood according to claim 3, which is characterized in that each width for crossing air holes is b1, and length is
L1, the two neighboring spacing for crossing air holes on the same oil smoke condensation plate is d1, and b1, L2, d1 meet relational expression:
4mm≤d1≤15mm；2≤L2/b1≤10.
6. range hood according to claim 1, which is characterized in that further include: central deflector, the center deflector
Be located in the exhaust fume collecting hood, the front end of the center deflector is connected with the front panel of the exhaust fume collecting hood, and in side backward
It is obliquely installed upwards upwards, the rear end of the center deflector and the front end of the oil smoke condensation plate have the second gap.
7. range hood according to claim 6, which is characterized in that the rear end of the center deflector is higher than the oil smoke
The front end of cold plate, the rear end of the center deflector and the vertical range of the oil smoke condensation plate are L3, and L3 meets relational expression:
L3≥40mm。
8. range hood according to claim 7, which is characterized in that the center deflector projection in the horizontal plane with
The projection of the oil smoke condensation plate in the horizontal plane has overlapping region, and the overlapping region is strip, and along the collection cigarette
The length direction of cover extends, and the width of the overlapping region is b2, and b2 meets relational expression: 0mm < b2≤20mm.
9. range hood according to claim 1, which is characterized in that the width in first gap is d2, and d2, which meets, to close
It is formula: 35mm≤d2≤40mm.
10. range hood according to claim 1, which is characterized in that further include condensing grid, on the condensation grid
Equipped with the air-permeating hole for collecting oil smoke, it is described condensation grid be located at the exhaust fume collecting hood far from the fan shroud siding on and
Court tilts down setting in a rearward direction.
11. range hood according to claim 10, which is characterized in that the lower end of the squab panel of the exhaust fume collecting hood be equipped with to
First flange of preceding extension, the rear end of the condensation grid are equipped with the second flange for extending downwardly, first flange and described
Third space is separated between second flange, the catchment cup is located at below the third space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811133348.2A CN108980944B (en) | 2018-09-27 | 2018-09-27 | Fume exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811133348.2A CN108980944B (en) | 2018-09-27 | 2018-09-27 | Fume exhaust fan |
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| CN108980944A true CN108980944A (en) | 2018-12-11 |
| CN108980944B CN108980944B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811133348.2A Active CN108980944B (en) | 2018-09-27 | 2018-09-27 | Fume exhaust fan |
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Cited By (2)
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| CN109373408A (en) * | 2018-12-17 | 2019-02-22 | 杭州德意电器股份有限公司 | It is a kind of for improving the equipment and separation method of fume exhauster grease separating degree |
| CN112902259A (en) * | 2021-03-03 | 2021-06-04 | 姜海 | Range hood and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN108980944B (en) | 2023-09-12 |
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