CN208920166U - Range hood - Google Patents

Range hood Download PDF

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Publication number
CN208920166U
CN208920166U CN201821587670.8U CN201821587670U CN208920166U CN 208920166 U CN208920166 U CN 208920166U CN 201821587670 U CN201821587670 U CN 201821587670U CN 208920166 U CN208920166 U CN 208920166U
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China
Prior art keywords
noise reducing
reducing plate
exhaust fume
fume collecting
smoke
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CN201821587670.8U
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Chinese (zh)
Inventor
汪耀东
季俊生
蒋济武
彭小康
苏宋洲
蓝渊
张辉
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Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Original Assignee
Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
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Priority to CN201821587670.8U priority Critical patent/CN208920166U/en
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Abstract

The utility model discloses a kind of range hood, the range hood includes fan shroud, exhaust fume collecting hood, noise reduction components and catchment cup.Blowing machine chamber is limited in fan shroud, 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, noise reduction components are located in smoke collecting chamber and are connected with the internal perisporium of exhaust fume collecting hood, smoke collecting chamber is divided into flowing lumen and at least one noise reduction cavity, flowing lumen is connected to blower chamber, oil smoke import is located on the bottom wall of flowing lumen, catchment cup is located at below the squab panel of exhaust fume collecting hood, to collect the oil droplet of oil smoke condensation generation.It ensure that the smoke pumping effect of range hood due to being equipped with noise reduction components in exhaust fume collecting hood according to the range hood of the utility model embodiment, reduce the work noise that blower rotation generates, improve users' satisfaction degree.

Description

Range hood
Technical field
The utility model relates to field of kitchen electric appliance equipment field 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, and in certain journey Increase the operating noise of range hood on degree.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions The operating noise of a kind of range hood out, the range hood is smaller.
According to the range hood of the utility model embodiment, comprising: fan shroud, the fan shroud is interior to limit blowing machine chamber, 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 and the blower The smoke collecting chamber of chamber connection, the smoke collecting chamber have the oil smoke import for collecting oil smoke;Noise reduction components, the noise reduction components are located at described It is connected in smoke collecting chamber and with the internal perisporium of the exhaust fume collecting hood, smoke collecting chamber is divided into flowing lumen and at least one noise reduction cavity, institute It states flowing lumen to be connected to the blower chamber, the oil smoke import is located on the bottom wall of the flowing lumen;Catchment cup, it is described to be located at institute Below the squab panel for stating exhaust fume collecting hood, to collect the oil droplet of oil smoke condensation generation.
It ensure that oil suction due to being equipped with noise reduction components in exhaust fume collecting hood according to the range hood of the utility model embodiment The smoke pumping effect of smoke machine reduces the work noise that blower rotation generates, improves users' satisfaction degree.
In some embodiments, the noise reduction components include the left drop that distribution is spaced apart along the direction of the exhaust fume collecting hood or so It makes an uproar plate and right noise reducing plate, the flowing lumen is between the left noise reducing plate and the right noise reducing plate.
In some specific embodiments, the profile edge of the left noise reducing plate with the internal perisporium phase of the exhaust fume collecting hood Even, the profile edge of the right noise reducing plate is connected with the internal perisporium of the exhaust fume collecting hood.
In some more specific embodiments, the left noise reducing plate and the right noise reducing plate are in a downward direction towards remote Extend from mutual direction, the angle of the left noise reducing plate and the vertical plane of the up and down direction along the exhaust fume collecting hood is a1, described The angle of right noise reducing plate and the vertical plane of the up and down direction along the exhaust fume collecting hood is that a2, a1 and a2 meet relational expression: 30 °≤a1= a2≤60°。
In some specific embodiments, the first bloop, institute are equipped on the left noise reducing plate and the right noise reducing plate The porosity for stating left noise reducing plate is q1, and the porosity of the right noise reducing plate is that q2, q1 and q2 meet relational expression: q1=q2≤3%.
In some more specific embodiments, on the left noise reducing plate and the right noise reducing plate, first bloop To be multiple, the diameter of each first bloop is d1, and the center of two neighboring first bloop for L1, d1 and L1 away from meeting Relational expression, 1mm≤d1≤5mm, and L1/d1 >=5.
In some embodiments, the noise reduction components further include: rear noise reducing plate, the left and right ends difference of the rear noise reducing plate It is connected with the left noise reducing plate and the right noise reducing plate, the upper end of the rear noise reducing plate is connected with the squab panel of the exhaust fume collecting hood, The lower end of the squab panel of the exhaust fume collecting hood has the flange extended towards the smoke collecting chamber, and the lower end of the exhaust fume collecting hood is turned over described Side is connected.
In some specific embodiments, the siding far from the fan shroud of the exhaust fume collecting hood is equipped with condensation grid, It is separated with gap between the rear end of the condensation grid and the lower end of the rear noise reducing plate, the catchment cup is located at the gap Lower section.
In some more specific embodiments, the rear noise reducing plate is equipped with the second bloop, the hole of the rear noise reducing plate Rate is q3, and q3 meets relational expression: q3≤3%.
In some alternative embodiments, second bloop is multiple, and the diameter of each second bloop is D2, the center of two neighboring second bloop is away from meeting relational expression, 1mm≤d2≤5mm, and L2/d2 >=5 for L2, d2 and L2.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:
Fig. 1 is the internal structure chart of the range hood of the utility model embodiment.
Fig. 2 is the internal structure chart in another direction of range hood shown in FIG. 1.
Fig. 3 is the internal structure chart of the range hood of the utility model another embodiment.
Appended drawing reference:
Range hood 100
Fan shroud 10, blower chamber 110,
Exhaust fume collecting hood 20, smoke collecting chamber 210, flange 230, flowing lumen 240,
Central deflector 30, grate opening 310,
Blower 40, air inlet 410,
Condense grid 50, the first air-permeating hole 510, the second air-permeating hole 520,
Noise reduction components 60,
Left noise reducing plate 610, left noise reduction cavity 611, the first bloop 612,
Right noise reducing plate 620, right noise reduction cavity 621,
Afterwards noise reducing plate 630, rear noise reduction cavity 631, the second bloop 632,
Flow distribution plate 70, grille strip 710,
Catchment cup 80.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more of the features. 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 " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
Below with reference to Fig. 1-Fig. 3 description according to the range hood 100 of the utility model embodiment.
As Figure 1-Figure 2, according to the range hood of the utility model embodiment 100 include fan shroud 10, exhaust fume collecting hood 20, Noise reduction components 60 and catchment cup 80.Blowing machine chamber 110 is limited in fan shroud 10, is equipped with blower 40, exhaust fume collecting hood 20 in blower chamber 110 It 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, which has, collects oil smoke Oil smoke import, noise reduction components 60 are located in smoke collecting chamber 210 and are connected with the internal perisporium of exhaust fume collecting hood 20, smoke collecting chamber 210 is separated For flowing lumen 240 and at least one noise reduction cavity, flowing lumen 240 is connected to blower chamber 110, and oil smoke import is located at flowing lumen 240 On bottom wall, catchment cup 80 is located at below the squab panel of exhaust fume collecting hood 20, to collect the oil droplet of oil smoke condensation generation.
It is understood that oil smoke air-flow is entering blower chamber 110 after circulating chamber 240 from oil smoke import, due to drop Smoke collecting chamber 210 is divided into for flowing lumen 240 and noise reduction cavity by component 60 of making an uproar, and thus can both guarantee the oil pumping of range hood 100 Cigarette effect, and since the presence of noise reduction cavity can also reduce the work noise that the rotation of blower 40 generates, it improves user and uses completely Meaning degree.
Guaranteed according to the range hood 100 of the utility model embodiment due to being equipped with noise reduction components 60 in exhaust fume collecting hood 20 The smoke pumping effect of range hood 100 reduces the work noise that the rotation of blower 40 generates, and improves user and uses satisfaction Degree.
In some embodiments, as shown in Fig. 2, noise reduction components 60 include being spaced apart distribution along the direction of exhaust fume collecting hood 20 or so Left noise reducing plate 610 and right noise reducing plate 620, flowing lumen 240 is between left noise reducing plate 610 and right noise reducing plate 620.It is understood that , the internal perisporium of left noise reducing plate 610 and exhaust fume collecting hood 20 can limit left noise reduction cavity 611, right noise reducing plate 620 and exhaust fume collecting hood 20 Internal perisporium limit right noise reduction cavity 621.That is the right and left of flowing lumen 240 is equipped with noise reduction cavity, in this way can be into The operating noise of one step reduction range hood 100.
In some specific embodiments, the profile edge of left noise reducing plate 610 is connected with the internal perisporium of exhaust fume collecting hood 20, right The profile edge of noise reducing plate 620 is connected with the internal perisporium of exhaust fume collecting hood 20.It is understood that the profile side of left noise reducing plate 610 Edge is connected with the internal perisporium of exhaust fume collecting hood 20, that is to say, that left noise reduction cavity 611 is formed as one and more closes relative to flowing lumen 240 Chamber, it is possible thereby to improve the noise reduction effect of left noise reduction cavity 611, it is thus also avoided that oil smoke air-flow is directly entered left noise reduction cavity 611 The phenomenon that reducing the smoke pumping effect of range hood 100, occurs.The profile edge of right noise reducing plate 620 and the internal perisporium of exhaust fume collecting hood 20 It is connected with identical effect, details are not described herein.Certainly, in some embodiments of the utility model, left noise reducing plate 610 and the right side Noise reducing plate 620 can also only be connected with the internal perisporium of exhaust fume collecting hood 20 on one side.
In some more specific embodiments, as shown in Fig. 2-Fig. 3, left noise reducing plate 610 and right noise reducing plate 620 are downward It is directed away from mutual direction on direction to extend, the angle of left noise reducing plate 610 and the vertical plane of the up and down direction along exhaust fume collecting hood 20 For a1, the angle of right noise reducing plate 620 and the vertical plane of the up and down direction along exhaust fume collecting hood 20 is that a2, a1 and a2 meet relational expression: 30 ° ≤ a1=a2≤60 °.
It is understood that left noise reducing plate 610 and right noise reducing plate 620 are directed away from each other due in a downward direction Direction extend, that is to say, that width is gradually increased flowing lumen 240 in a downward direction, so that oil smoke air-flow is from flowing lumen 240 can gather when entering blower chamber 110 under the action of left noise reducing plate 610 and right noise reducing plate 620, thus further improve suction The smoke pumping effect of kitchen ventilator 100.
In addition, the angle a1 and right noise reducing plate 620 of left noise reducing plate 610 and the vertical plane of the up and down direction along exhaust fume collecting hood 20 with It can play the role of preferably gathering in 30 ° -60 ° of range along the angle a2 of the vertical plane of the up and down direction of exhaust fume collecting hood 20. It is a1=a2=45 ° preferred.Certainly, the value range of a1 and a2 is not limited to 30 ° -60 °, that is to say, that the value of a1 and a2 can To be selected according to actual needs, and a1 can be equal to a2 in selecting, can also be not equal to a2 with a1.
In some specific embodiments, as shown in Fig. 2-Fig. 3, the is equipped on left noise reducing plate 610 and right noise reducing plate 620 One bloop 612, the porosity of left noise reducing plate 610 are q1, and the porosity of right noise reducing plate 620 is that q2, q1 and q2 meet relational expression: Q1=q2≤3%.It is understood that being equipped with the first bloop 612 on left noise reducing plate 610 and right noise reducing plate 620, be conducive to The erasure effect of left noise reducing plate 610 and right noise reducing plate 620 is improved, to further reduced the operating noise of range hood 100. Certainly, the porosity of left noise reducing plate 610 and right noise reducing plate 620 also selects other numerical value, however it is not limited to the model less than or equal to 3% It encloses.
In some more specific embodiments, on left noise reducing plate 610 and right noise reducing plate 620, the first bloop 612 is more A, the diameter of each first bloop 612 is d1, and the center of two neighboring first bloop 612 is away from meeting pass for L1, d1 and L1 It is formula, 1mm≤d1≤5mm, and L1/d1 >=5.It is understood that the relevant parameter of above-mentioned first bloop 612 is only to guarantee Erasure effect is more preferably selected, and is not the concrete restriction to the relevant parameter of the first bloop 612, that is to say, that the first noise reduction The design parameter in hole 612 can select according to the actual situation.
Certainly, what needs to be explained here is that, in the other embodiments of the utility model, can only have a left side in exhaust fume collecting hood 20 Noise reducing plate 610 or only right noise reducing plate 620.In addition, in the embodiment having, in left noise reducing plate 610 and right noise reducing plate 620 only There is one to be equipped with the first bloop 612.
In some embodiments, as shown in Figure 1, noise reduction components 60 further include rear noise reducing plate 630, a left side for rear noise reducing plate 630 Right both ends are connected with left noise reducing plate 610 and right noise reducing plate 620 respectively, the upper end of rear noise reducing plate 630 and the squab panel of exhaust fume collecting hood 20 Be connected, the lower end of the squab panel of exhaust fume collecting hood 20 has a flange 230 extended towards smoke collecting chamber 210, the lower end of exhaust fume collecting hood 20 with turn over Side 230 is connected.It is understood that after the flange 230 of rear noise reducing plate 630, the squab panel of exhaust fume collecting hood 20 and squab panel limits Noise reduction cavity 631.It further reduced the operating noise of range hood 100 as a result,.
In some specific embodiments, as shown in Figure 1-Figure 3, the siding of the separate fan shroud 10 of exhaust fume collecting hood 20 is equipped with Grid 50 is condensed, condenses and is formed as oil smoke import on grid 50, is condensed between the rear end of grid 50 and the lower end of rear noise reducing plate 630 Between be separated with gap, catchment cup 80 is located at the lower section in gap.It is understood that cooking fume stream when condensation grid 50 by that can occur Condensation, the oil droplet for condensing generation may slide into catchment cup 80, condense grid 50 rear end and rear noise reducing plate 630 lower end it Between between be separated with gap and be conducive to oil droplet and enter in catchment cup 80, the small oil droplet that ensure that condensation generates enters in catchment cup 80, subtracts The probability of 100 oil leak of range hood is lacked.
In some more specific embodiments, as shown in Fig. 2-Fig. 3, rear noise reducing plate 630 is equipped with the second bloop 632, after The porosity of noise reducing plate 630 is q3, and q3 meets relational expression: q3≤3%.It is understood that rear noise reducing plate 630 is equipped with second Bloop 632 is conducive to the erasure effect for improving left noise reducing plate 610 and right noise reducing plate 620, to further reduced fume-exhausting The operating noise of machine 100.Certainly, the porosity of rear noise reducing plate 630 also selects other numerical value, however it is not limited to less than or equal to 3% Range.
In some alternative embodiments, the second bloop 632 is multiple, and the diameter of each second bloop 632 is d2, The center of two neighboring second bloop 632 is away from meeting relational expression, 1mm≤d2≤5mm, and L2/d2 >=5 for L2, d2 and L2.It can With understanding, it is not to second that the relevant parameter of above-mentioned second bloop 632, which is only to guarantee more preferably selecting for erasure effect, The concrete restriction of the relevant parameter of bloop 632, that is to say, that the design parameter of the second bloop 632 can be according to the actual situation Selection.
In some embodiments, the width of rear noise reducing plate 630 is b1, and b1 meets relational expression b1 >=10mm, rear noise reducing plate 630 Angle with the squab panel of exhaust fume collecting hood 20 is a3, and a2 meets 10 ° -20 ° of relational expression.Thus it preferably ensure that rear noise reduction cavity 631 Erasure effect.
In some specific embodiments, as shown in Fig. 2-Fig. 3, condensation grid 50 is formed towards 10 protrusion of fan shroud Structure and the multiple side walls being arranged including roof and circular roof, first air-permeating hole 510 of the roof equipped with strip, at least one A side wall is equipped with the second air-permeating hole 520 of strip, and the first air-permeating hole 510 and the second air-permeating hole 520 are formed as oil smoke import, The extending direction of first air-permeating hole 510 and the extending direction of the second air-permeating hole 520 are orthogonal.
It is understood that the range hood 100 of the utility model is at work, oil smoke is after condensing grid 50, oil Mist is condensed into the catchment cup 80 that droplet falls into range hood 100 under the action of condensing grid 50, and flue gas is through exhaust fume collecting hood 20 Inside enters inside fan shroud 10, is discharged under the driving of blower 40 outdoor.Flue gas can be ventilative by being located on roof first Hole 510 is located inside the entrance exhaust fume collecting hood 20 of the second air-permeating hole of side wall 520, is increased condensation grid 50 in this way and is absorbed oil smoke Area, so that the negative pressure generated at condensation grid 50 when blower 40 rotates is bigger, to realize that increasing range hood 100 inhales Receive the effect of oil smoke.
Simultaneously, condensation grid 50 is formed on the siding of separate fan shroud 10 of exhaust fume collecting hood 20, and condenses grid 50 It is formed towards the structure of the protrusion of fan shroud 10, such geometries shrink overall dimensions of exhaust fume collecting hood 20 avoid traditional suction Kitchen ventilator is also easy to produce the phenomenon that user's head collision exhaust fume collecting hood 20, improves the practical peace of the range hood 100 of the utility model Quan Xing.
Further, since the first air-permeating hole 510 and the second air-permeating hole 520 are mutually perpendicular to, and the first air-permeating hole 510 is located at roof It is upper and the second air-permeating hole 520 is located on side wall, cause the length of the first air-permeating hole 510 and the second air-permeating hole 520 inconsistent, in this way It reduces flue gas and makes the noise for condensing the vibration of grid 50 by air-permeating hole, improve client's usage comfort.
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 embodiments, side wall includes left side wall, right side wall, front side wall and the rear wall for surrounding roof setting, left The angle of side wall and roof is equal to the angle of right side wall and roof, is respectively equipped with the second air-permeating hole 520 on left side wall and right side wall.
It is understood that front side wall face user and rear wall face wall under normal conditions.On the two side walls The second air-permeating hole 520 is arranged, and it will cause oil smoke adherency walls or oil smoke stimulation user's phenomenon to occur.As a result, in left side wall and Second air-permeating hole 520 is set on right side wall, can not only guarantee that range hood 100 to the adsorption effect of oil smoke, but also can prevent State bad phenomenon.In addition, the angle and right side wall of left side wall and roof are equal with the angle of roof to enable to air-flow point Cloth is more uniform, and avoiding the occurrence of condensation 50 lower section air turbulence of grid influences the phenomenon that absorbing oil smoke effect generation.
Certainly, it needs exist for, it is emphasized that the second air-permeating hole 520 can be set in the other embodiments of the utility model Any one of front side wall, rear wall, left side wall and right side wall or it is any number of on, however it is not limited to above-mentioned distribution side To.Meanwhile the angle of left side wall and roof can also be not equal to the angle of right side wall and roof.
In some embodiments, as shown in Fig. 2-Fig. 3, the first air-permeating hole 510 is multiple, each first air-permeating hole, 510 edge The front-rear direction of exhaust fume collecting hood 20 extends, and multiple first air-permeating holes 510 are spaced apart along the left and right directions of exhaust fume collecting hood 20.Second is ventilative Hole 520 be it is multiple, each second air-permeating hole 520 along exhaust fume collecting hood 20 left and right directions extend, multiple second air-permeating holes 520 along collection cigarette The front-rear direction of cover 20 is spaced apart.It is understood that the left and right directions of exhaust fume collecting hood 20 is length direction under normal conditions, it is preceding Rear direction is width direction, that is to say, that the length of exhaust fume collecting hood 20 in the lateral direction is greater than width in the longitudinal direction.Roof Length direction be left and right directions, the first air-permeating hole 510 on roof will be located at and be set as the hole extended along the longitudinal direction, Neng Gou Increase the effect for absorbing oil smoke to a certain extent, and can guarantee the intensity of the linkage section between two the first air-permeating holes 510, Reduce the possibility that condensation grid 50 damages.Based on similar reason, set the second air-permeating hole 520 being located on side wall to along a left side The hole that right direction extends.
Certainly, it should be added that, the setting form of the first air-permeating hole 510 and the second air-permeating hole 520 is not limited to Aforesaid way can also be other forms, not enumerate herein.
In some embodiments, as shown in Fig. 2-Fig. 3, blower 40 has the air inlet 410 being arranged backwards, range hood 100 further include central deflector 30, and central deflector 30 is obliquely located at the bottom of blower 40, one end of central deflector 30 with The front side wall of fan shroud 10 is connected, and the inner wall for closing on fan shroud 10 is provided with the more of the left and right directions distribution along fan shroud 10 A grate opening 310.
It is understood that after oil smoke air-flow enters smoke collecting chamber 210 from oil smoke import, due to the water conservancy diversion of central deflector 30 Effect, so that oil smoke air-flow is towards flowing on rear side of blower chamber 110, so that most of cooking fume flows through the air inlet of blower 40 410 enter blower 40, are conducive to blower 40 and a large amount of oil smoke air-flows are discharged, avoid oil smoke air-flow in the spiral case and blower of blower 40 Vortex is generated between cover 10 increases oil smoke air-flow in the oil absorption efficiency for accumulating to reduce range hood 100 of blower chamber 110 The phenomenon that reduction, occurs.At the same time, oil smoke air-flow touches central deflector 30, central deflector before entering blower 40 30 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, when flowing to blower chamber 110 after cooking fume stream enters smoke collecting chamber 210, although most oil smoke air-flow exists Enter the rear side of blower chamber 110 under the action of central deflector 30, but the oil smoke air-flow for also having fraction is deposited in center The inner wall junction of deflector 30 and fan shroud 10, such that there are local eddy currents inside range hood 100, thus shadow Ring the smoke pumping effect of range hood 100.Therefore, close on what it was connected with the inner wall of fan shroud 10 on central deflector 30 One end is equipped with grate opening 310, enables to the oil smoke air-flow for being deposited in 10 inner wall junction of central deflector 30 and fan shroud Enter the air inlet 410 of blower 40 by grate opening 310, it is possible thereby to the vortex phenomenon inside range hood 100 is reduced, thus Guarantee the smoke absorption effect of range hood 100.Certainly, grate opening 310 is spaced apart along the left and right directions of fan shroud 10 and can protect The cooking fume for demonstrate,proving central deflector 30 and 10 inner wall junction of fan shroud flows to air inlet 410.
In some specific embodiments, as shown in Fig. 2, range hood 100 further includes flow distribution plate 70, under flow distribution plate 70 End is connected on the free end of central deflector 30, and the upper end of flow distribution plate 70 is extended upward, and the upper end of flow distribution plate 70 is high Spiral case bottom wall in blower 40 and the lower edge lower than air inlet 410.
According to described previously, after oil smoke air-flow enters smoke collecting chamber 210 from oil smoke import, make in the water conservancy diversion of central deflector 30 With lower oil smoke air-flow towards flowing on rear side of blower chamber 110, in one end of central deflector 30, setting divides towards what blower 40 extended Flowing plate 70 enables to the direction of most of 40 air inlet of air flow direction blower, 410 direction, so that most of oil smoke air-flow Air inlet 410 through blower 40 enters blower 40, is conducive to blower 40 and a large amount of oil smoke air-flows are discharged, avoid oil smoke air-flow in wind Vortex is generated between the spiral case and fan shroud 10 of machine 40, increases oil smoke air-flow in the accumulation of blower chamber 110, to reduce oil suction The phenomenon that oil absorption efficiency of smoke machine 100 reduces.
At the same time, the upper end of flow distribution plate 70 is higher than the spiral case bottom wall of blower 40, and is lower than the lower edge of air inlet 410, On the one hand, it avoids gap of the oil smoke air-flow between spiral case and central deflector 30 and enters spiral case and the central limit of deflector 30 In fixed region, reduce range hood 100 smoke pumping efficiency the phenomenon that occur, on the other hand, reduce flow distribution plate 70 to wind The resistance of the air inlet air-flow of machine 40, ensure that the smoke pumping effect of blower 40.
Certainly, in the other embodiments of the utility model, flow distribution plate 70 can also be formed as other structures.Such as Fig. 3 institute Show, such as in the embodiment having, the air inlet 410 of the corresponding blower 40 of flow distribution plate 70 is arranged, and flow distribution plate 70 includes multiple grids The both ends of item 710, each grille strip 710 are connected with the side wall of fan shroud 10 respectively, and multiple grille strips 710 are along the upper of fan shroud 10 Lower direction is spaced apart.
It is understood that flow distribution plate 70 is enabled to using the setting of air inlet 410 of cell structure and corresponding blower 40 Into the oil smoke air-flow more uniform and stable of blower 40, it ensure that blower 40 exports the flow of oil smoke air-flow to a certain extent, To ensure that the smoke pumping effect of range hood 100.At the same time, flow distribution plate 70 increases flow distribution plate 70 using cell structure With the contact area of oil smoke air-flow, to improve flow distribution plate 70 to the condensation effect of oil smoke air-flow, to improve fume-exhausting The filter effect of machine 100.In addition, cell structure also helps the noise for absorbing and generating when blower 40 rotates, to reduce suction The operating noise of kitchen ventilator 100.
Embodiment 1:
As Figure 1-Figure 2, the range hood 100 of the present embodiment include fan shroud 10, exhaust fume collecting hood 20, noise reduction components 60, Central deflector 30, flow distribution plate 70, condensation grid 50 and catchment cup 80, fan shroud 10 limit blowing machine chamber 110, blower chamber 110 Interior to be equipped with blower 40, blower 40 includes the air inlet 410 of backward opening, and exhaust fume collecting hood 20 is located at the lower section of fan shroud 10, and limits The smoke collecting chamber 210 being connected to out with blower chamber 110, smoke collecting chamber 210 have the oil smoke import for collecting oil smoke, the front end of smoke collecting chamber 210 With chamber of dashing forward before dashing forward before opposite blower chamber 110, the upper wall surface of preceding prominent chamber is connected with the front side wall of blower chamber 110.Noise reduction components 60 are located in smoke collecting chamber 210 and are connected with the internal perisporium of exhaust fume collecting hood 20, and smoke collecting chamber 210 is divided into flowing lumen 240 and at least One noise reduction cavity, flowing lumen 240 are connected to blower chamber 110, and oil smoke import is located on the bottom wall of flowing lumen 240, and catchment cup 80 is set Below the squab panel of exhaust fume collecting hood 20, to collect the oil droplet of oil smoke condensation generation.
Central deflector 30 is obliquely located at the bottom of blower 40, one end of central deflector 30 and the front side of fan shroud 10 Wall is connected, and the other end of central deflector 30 in a rearward direction stretch upwards by edge.Adjacent central water conservancy diversion on central deflector 30 The spaced multiple grate openings 310 of left and right directions along fan shroud 10 are equipped at one end of plate 30.The lower end of flow distribution plate 70 connects It connects on the other end of central deflector 30, and the upper end of distributary division is extended upward.The upper end of flow distribution plate 70 is higher than blower 40 spiral case bottom wall and the lower edge for being lower than air inlet 410.
Condensation grid 50 is located on the siding of separate fan shroud 10 of exhaust fume collecting hood 20, and condensation grid 50 includes roof and surround Left side wall, right side wall, front side wall and the rear wall of roof setting.Roof is equipped with the first air-permeating hole 510 of multiple oblongs, often A first air-permeating hole 510 extends air-permeating hole along the front-rear direction of exhaust fume collecting hood 20, and multiple first air-permeating holes 510 are along a left side for exhaust fume collecting hood 20 Right direction is spaced apart.The second air-permeating hole 520 of multiple oblongs is respectively equipped on left side wall and right side wall.Each second is ventilative Hole 520 extends along the left and right directions of exhaust fume collecting hood 20, and multiple second air-permeating holes 520 are spaced apart along the front-rear direction of exhaust fume collecting hood 20. First air-permeating hole 510 is connected with the inner space of fan shroud 10 with the second air-permeating hole 520.
Noise reduction components 60 include left noise reducing plate 610, right noise reducing plate 620 and rear noise reducing plate 630, the profile of left noise reducing plate 610 Edge is connected with the internal perisporium of exhaust fume collecting hood 20, and the profile edge of right noise reducing plate 620 is connected with the internal perisporium of exhaust fume collecting hood 20.It is left Noise reducing plate 610 and right noise reducing plate 620 are directed away from mutual direction in a downward direction and extend, left noise reducing plate 610 and Yan Ji The angle of the vertical plane of the up and down direction of petticoat pipe 20 is a1, the vertical plane of right noise reducing plate 620 and the up and down direction along exhaust fume collecting hood 20 Angle be that a2, a1 and a2 meet relational expression: 30 °≤a1=a2≤60 °.It is equipped on left noise reducing plate 610 and right noise reducing plate 620 First bloop 612, the porosity of left noise reducing plate 610 are q1, and the porosity of right noise reducing plate 620 is that q2, q1 and q2 meet relationship Formula: q1=q2≤3%.The left and right ends of noise reducing plate 630 are connected with left noise reducing plate 610 and right noise reducing plate 620 respectively afterwards, rear noise reduction The upper end of plate 630 is connected with the squab panel of exhaust fume collecting hood 20, and the lower end of the squab panel of exhaust fume collecting hood 20, which has towards smoke collecting chamber 210, to be extended Flange 230, the lower end of exhaust fume collecting hood 20 is connected with flange 230.Noise reducing plate 630 is equipped with the second bloop 632, rear noise reducing plate afterwards 630 porosity is q3, and q3 meets relational expression: q3≤3%.
Embodiment 2:
As shown in figure 3, the range hood 100 of the present embodiment is substantially the same with the structure in embodiment, herein not to the two Description is made in the identical place of structure, and the range hood 100 of the present embodiment and the architectural difference of embodiment are flow distribution plate 70, this The air inlet 410 of the corresponding blower 40 of the flow distribution plate 70 of the range hood 100 of embodiment is arranged, the corresponding blower 40 of flow distribution plate 70 into Air port 410 is arranged, and flow distribution plate 70 includes multiple grille strips 710, the both ends of each grille strip 710 side wall with fan shroud 10 respectively It is connected, multiple grille strips 710 are spaced apart along the up and down direction of fan shroud 10.
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 contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (10)

1. a kind of range hood characterized by comprising
Fan shroud, the fan shroud is interior to 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;
Noise reduction components, the noise reduction components are located in the smoke collecting chamber and are connected with the internal perisporium of the exhaust fume collecting hood, will collect cigarette Chamber is divided into flowing lumen and at least one noise reduction cavity, and the flowing lumen is connected to the blower chamber, and the oil smoke import is located at institute It states on the bottom wall of flowing lumen;
Catchment cup, the squab panel lower section for being located at the exhaust fume collecting hood, to collect the oil droplet of oil smoke condensation generation.
2. range hood according to claim 1, which is characterized in that the noise reduction components include along described exhaust fume collecting hood or so Direction be spaced apart the left noise reducing plate and right noise reducing plate of distribution, the flowing lumen is located at the left noise reducing plate and the right noise reducing plate Between.
3. range hood according to claim 2, which is characterized in that the profile edge of the left noise reducing plate with the collection The internal perisporium of petticoat pipe is connected, and the profile edge of the right noise reducing plate is connected with the internal perisporium of the exhaust fume collecting hood.
4. range hood according to claim 3, which is characterized in that the left noise reducing plate and the right noise reducing plate are downward Direction on be directed away from mutual direction and extend, the left noise reducing plate and the vertical plane of the up and down direction along the exhaust fume collecting hood Angle is a1, and the angle of the right noise reducing plate and the vertical plane of the up and down direction along the exhaust fume collecting hood is that a2, a1 and a2 meet pass It is formula: 30 °≤a1=a2≤60 °.
5. range hood according to claim 2, which is characterized in that be all provided on the left noise reducing plate and the right noise reducing plate There is the first bloop, the porosity of the left noise reducing plate is q1, and the porosity of the right noise reducing plate is that q2, q1 and q2 meet relationship Formula: q1=q2≤3%.
6. range hood according to claim 5, which is characterized in that on the left noise reducing plate and the right noise reducing plate, First bloop be it is multiple, the diameter of each first bloop is d1, the center of two neighboring first bloop away from Meet relational expression, 1mm≤d1≤5mm, and L1/d1 >=5 for L1, d1 and L1.
7. range hood according to claim 2, which is characterized in that the noise reduction components further include: rear noise reducing plate, it is described The left and right ends of noise reducing plate are connected with the left noise reducing plate and the right noise reducing plate respectively afterwards, the upper end of the rear noise reducing plate and institute The squab panel for stating exhaust fume collecting hood is connected, and the lower end of the squab panel of the exhaust fume collecting hood has the flange extended towards the smoke collecting chamber, institute The lower end for stating exhaust fume collecting hood is connected with the flange.
8. range hood according to claim 7, which is characterized in that the siding far from the fan shroud of the exhaust fume collecting hood Be equipped with condensation grid, it is described condensation grid rear end and it is described after noise reducing plate lower end between be separated with gap, the oil-collecting Cup is located at the lower section in the gap.
9. range hood according to claim 7, which is characterized in that noise reducing plate is equipped with the second bloop after described, described The porosity of noise reducing plate is q3 afterwards, and q3 meets relational expression: q3≤3%.
10. range hood according to claim 9, which is characterized in that second bloop be it is multiple, each described the The diameter of two bloops is d2, the center of two neighboring second bloop away from meeting relational expression for L2, d2 and L2,1mm≤d2≤ 5mm, and L2/d2 >=5.
CN201821587670.8U 2018-09-27 2018-09-27 Range hood Active CN208920166U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110529898A (en) * 2019-08-21 2019-12-03 黄将庭 A kind of smoke separating purification all-in-one machine
CN111189085A (en) * 2020-01-03 2020-05-22 宁波方太厨具有限公司 Range hood and control method thereof
CN112283771A (en) * 2020-10-14 2021-01-29 青岛海尔智慧厨房电器有限公司 Smoke collecting hood and range hood
CN113776095A (en) * 2021-05-31 2021-12-10 华帝股份有限公司 Noise reduction structure for range hood and range hood
CN113932260A (en) * 2020-07-13 2022-01-14 佛山市顺德区美的洗涤电器制造有限公司 Smoke exhaust ventilator
CN114076335A (en) * 2020-08-20 2022-02-22 佛山市顺德区美的洗涤电器制造有限公司 Oil fume suction device
CN114909688A (en) * 2021-02-07 2022-08-16 芜湖美的厨卫电器制造有限公司 Smoke machine

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110529898A (en) * 2019-08-21 2019-12-03 黄将庭 A kind of smoke separating purification all-in-one machine
CN111189085A (en) * 2020-01-03 2020-05-22 宁波方太厨具有限公司 Range hood and control method thereof
CN111189085B (en) * 2020-01-03 2022-03-18 宁波方太厨具有限公司 Range hood and control method thereof
CN113932260A (en) * 2020-07-13 2022-01-14 佛山市顺德区美的洗涤电器制造有限公司 Smoke exhaust ventilator
CN113932260B (en) * 2020-07-13 2023-06-20 佛山市顺德区美的洗涤电器制造有限公司 Fume exhaust fan
CN114076335A (en) * 2020-08-20 2022-02-22 佛山市顺德区美的洗涤电器制造有限公司 Oil fume suction device
CN114076335B (en) * 2020-08-20 2023-06-30 佛山市顺德区美的洗涤电器制造有限公司 Fume exhaust device
CN112283771A (en) * 2020-10-14 2021-01-29 青岛海尔智慧厨房电器有限公司 Smoke collecting hood and range hood
CN114909688A (en) * 2021-02-07 2022-08-16 芜湖美的厨卫电器制造有限公司 Smoke machine
CN113776095A (en) * 2021-05-31 2021-12-10 华帝股份有限公司 Noise reduction structure for range hood and range hood
CN113776095B (en) * 2021-05-31 2022-12-02 华帝股份有限公司 Noise reduction structure for range hood and range hood

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Patentee before: FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING Co.,Ltd.