CN208920167U - Range hood - Google Patents

Abstract

The utility model discloses a kind of range hoods, the range hood includes fan shroud, exhaust fume collecting hood and partition, fan shroud limits blowing machine chamber, blower is intracavitary to be equipped with blower, blower includes the air inlet of backward opening, 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, partition includes diversion division and distributary division, diversion division is obliquely located at the bottom of blower, one end of diversion division is connected with the front side wall of fan shroud, the other end of diversion division in a rearward direction stretch upwards by edge, the lower end of distributary division is connected on the other end of diversion division, and the upper end of distributary division is extended upward.The upper end of distributary division is higher than the spiral case bottom wall of blower and is lower than the lower edge of air inlet.According to the range hood of the utility model embodiment, reduce blower it is intracavitary do not stay loss, improve the working efficiency of range hood, improve the filter effect to oil smoke air-flow.

Description

Range hood

Technical field

The utility model relates to field of kitchen electric appliance more particularly to a kind of range hoods.

Background technique

Smoke exhaust ventilator is basic on the market at present to enter universal state, key cities for smoke machine demand to height Endization, personalization, intelligent development.The major critical component for influencing smoke exhaust ventilator actual effect includes blower, air duct, suction inlet knot Structure etc..Wherein, the wind turbine layout mode of different installation sites and the aesthetic appearance of flow passage structure shape and wanting for anufacturability Asking all may cause air and unavoidably there is uneven distribution state in flow process, influence the distribution of speed and pressure, into And lead to the non-uniform Distribution state in smoke exhaust ventilator suction inlet near sites flow field, it is unfavorable for smoke absorption effect.Therefore, pass through conjunction The problem of flow passage structure design of reason can improve local air flow loss, promotes lampblack-pumped effect.

Smoke exhaust ventilator is currently on the market in order to obtain better smoke pumping effect, and increasingly towards Wind Volume, high back pressure becomes Gesture development, the negative pressure coverage area of oil smoke suction inlet is promoted with this, while high-rise building smoke discharging pipe high-drag being overcome to may cause Oil smoke phenomenon.According to market survey, after the air quantity of smoke exhaust ventilator improves, oil smoke effect is preferably absorbed although obtaining Fruit, but the problem of equally noise is brought to increase.Smoke exhaust ventilator especially for oil smoke suction inlet structural arrangement in side, noise Problem is clearly.The raising of air quantity will increase the flow velocity of air-flow in addition to bringing noise problem also, enter pumping flowing through suction inlet When in kitchen ventilator runner, mutates since air flows to, cause part to generate vortex, or even there are backflow phenomenas, with air Flow direction reduces runner efficiency on the contrary, affect air inflow, and produce additional aerodynamic noise.Worst Under state, although the revolving speed of blower improves, due to the presence of local eddy currents, the air mass flow of smoke exhaust ventilator does not increase not only Add, and noise increases instead.The noise level and air quantity of smoke exhaust ventilator have direct relation, and air quantity is bigger, and noise is bigger, user Experience sense it is poorer.It can inhibit aerodynamic noise by the design of reasonable structure, comfort when improving using smoke exhaust ventilator.

The type of currently marketed smoking smoke machine is varied, can be substantially divided into according to structure type top suction type, Near-absorption type, integrated form etc..For top suction type smoke machine, hold together cigarette effect to enhance, is mainly covered on the top of frying pan, complete machine depth About 515mm is easy to meet and discuss during being cooked, influences user experience.In order to expand negative pressure region, fume-exhausting is promoted Wing plate can be generally arranged in effect, certain manufacturers.Although being usually less than top suction type for near-suction type oil smoke suction machine complete machine depth, It is to make up the problem that cigarette district domain deficiency is held together at top, downside chamfer distance cooking apparatus is closer, occupies cooking space, together Sample affects user's operation experience.For integrated form range hood, although compact-sized, cooking space will not be occupied, it is right A large amount of oil smoke under quick-fried state are difficult to accomplish oil smoke zero leakage, if promoting air quantity to realize the effect of oil smoke zero leakage, The problem of noise being brought to increase, and excessive air quantity exacerbates the consumption of combustion gas.

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 A kind of range hood out, the range hood have preferable smoke absorption effect.

According to the range hood of the utility model embodiment, comprising: fan shroud, the fan shroud limit blowing machine chamber, institute It is intracavitary equipped with blower to state blower, the blower includes the air inlet of backward opening；Exhaust fume collecting hood, the exhaust fume collecting hood are located at the blower The lower section of cover, and the smoke collecting chamber being connected to the blower chamber is limited, the smoke collecting chamber has the oil smoke import for collecting oil smoke；Every Plate, the partition include diversion division and distributary division, and the diversion division is obliquely located at the bottom of the blower, the diversion division One end is connected with the front side wall of the fan shroud, and the other end of the diversion division in a rearward direction stretch upwards by edge, and described point The lower end in stream portion is connected on the other end of the diversion division, and the upper end of the distributary division is extended upward；Wherein, The upper end of the distributary division is higher than the spiral case bottom wall of the blower and is lower than the lower edge of the air inlet.

Wind is reduced due to being equipped with partition in the inside of range hood according to the range hood of the utility model embodiment Loss is not stayed in machine cavity, improves the working efficiency of range hood, improves the filter effect to oil smoke air-flow.

In some embodiments, the angle of the diversion division and the vertical plane of the up and down direction along the fan shroud is a1, A1 meets relational expression: 10 °≤a1≤90 °.

In some specific embodiments, it is equipped at described one end of the neighbouring diversion division along described on the diversion division The spaced multiple grate openings of the left and right directions of fan shroud.

In some embodiments, the spiral case distance from bottom of the bottom of the distributary division and the blower is L, and L, which meets, to close It is formula: 40mm≤L≤160mm.

In some embodiments, the distributary division is equipped with multiple air-permeating holes.

In some embodiments, the front end of the smoke collecting chamber has the preceding prominent chamber dashed forward before the relatively described blower chamber, before described The upper wall surface of prominent chamber is connected with the front side wall of the blower chamber, and is coplanar with the diversion division.

In some embodiments, the blower is intracavitary is equipped with noise reducing plate, to limit at least one the blower is intracavitary Silencing cavity.

In some specific embodiments, the noise reducing plate includes at least the preceding noise reducing plate for being spaced apart setting along the longitudinal direction With rear noise reducing plate, the blower is located between the preceding noise reducing plate and the rear noise reducing plate, the preceding noise reducing plate and the rear drop It makes an uproar and is evenly equipped with bloop on plate.

In some embodiments, the siding far from the fan shroud of the exhaust fume collecting hood is equipped with convex towards the fan shroud The condensation grid risen, the condensation grid includes roof and multiple side walls around roof setting, and the roof is equipped with First air-permeating hole of strip, at least one described side wall are equipped with the second air-permeating hole of strip；Wherein, described first is ventilative Hole is connected with the inner space of the fan shroud with second air-permeating hole, the extending direction of first air-permeating hole and institute The extending direction for stating the second air-permeating hole is orthogonal.

In some specific embodiments, first air-permeating hole be it is multiple, each first air-permeating hole is along the collection The front-rear direction of petticoat pipe extends air-permeating hole, and multiple first air-permeating holes are spaced apart along the left and right directions of the exhaust fume collecting hood；Institute Stating the second air-permeating hole is multiple, left and right directions extension air-permeating hole of each second air-permeating hole along the exhaust fume collecting hood, Duo Gesuo The front-rear direction that the second air-permeating hole is stated along the exhaust fume collecting hood is spaced apart.

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 side view of the range hood of the utility model embodiment.

Fig. 2 is the internal structure chart of the range hood of the utility model embodiment.

Fig. 3 is the internal structure chart of the other direction of the range hood of the utility model embodiment.

Fig. 4 is the internal structure chart in the another direction of the range hood of the utility model embodiment.

Fig. 5 is the top view of the range hood of the utility model embodiment.

Appended drawing reference:

Range hood 1,

Fan shroud 10, blower chamber 110,

Exhaust fume collecting hood 20, smoke collecting chamber 210, preceding prominent chamber 220,

Partition 30, diversion division 310, grate opening 311, distributary division 320,

Blower 40, air inlet 410,

Condense grid 50, the first air-permeating hole 510, the second air-permeating hole 520,

Noise reducing plate 60, silencing cavity 60a, preceding noise reducing plate 610, rear noise reducing plate 620.

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. 5 description according to the range hood 100 of the utility model embodiment.

It as shown in Figure 1-Figure 3, include fan shroud 10, exhaust fume collecting hood 20 according to the range hood of the utility model embodiment 100 With partition 30, fan shroud 10 limits blowing machine chamber 110, is equipped with blower 40 in blower chamber 110, blower 40 include backward opening into Air port 410, exhaust fume collecting hood 20 are located at the lower section of fan shroud 10, and limit the smoke collecting chamber 210 being connected to blower chamber 110, smoke collecting chamber 210 have the oil smoke import for collecting oil smoke, and partition 30 includes diversion division 310 and distributary division 320, and diversion division 310 is obliquely located at One end of the bottom of blower 40, diversion division 310 is connected with the front side wall of fan shroud 10, and the other end of diversion division 310 is backward Upwards along stretching on direction, the lower end of distributary division 320 is connected on the other end of diversion division 310, and the upper end court of distributary division 320 It is upper to be extended.Wherein, the upper end of distributary division 320 is higher than the spiral case bottom wall of blower 40 and is lower than the lower edge of air inlet 410.

It is understood that after oil smoke air-flow enters smoke collecting chamber 210 from oil smoke import, due to the diversion division 310 of partition 30 Guide functions so that oil smoke air-flow then makes greatly in the shunting function of distributary division 320 towards flowing on rear side of blower chamber 110 The direction of 410 direction of air inlet of part oil smoke air flow direction blower 40, so that most of cooking fume flows through blower 40 Air inlet 410 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 the spiral case of blower 40 Vortex is generated between fan shroud 10, increases oil smoke air-flow in the accumulation of blower chamber 110, to reduce range hood 100 The phenomenon that oil absorption efficiency reduces.

In addition, oil smoke air-flow can touch diversion division 310 before entering blower chamber 110, diversion division 310 can be to oil smoke The filter effect to oil smoke air-flow is effectively promoted so that condensed small oil droplet slides in air-flow air inlet condensation.It is same in this When, the upper end of distributary division 320 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, avoids Gap of the oil smoke air-flow between spiral case and diversion division 310 enters in the region that spiral case and diversion division 310 limit, and reduces oil suction The phenomenon that smoke pumping efficiency of smoke machine 100, occurs, and on the other hand, reduces resistance of the distributary division 320 to the air inlet air-flow of blower 40 Power ensure that the exhausting effect of blower 40.It is extended, is conducive in addition, diversion division 310 is tilted upwards in rearwardly direction Diversion division 310 is by the rear side of cooking fume conductance aweather machine cavity 110, thus the vortex that the spiral case for reducing blower 40 nearby occurs, Improve the smoke pumping effect of range hood 100.

According to the range hood 100 of the utility model embodiment, due to being equipped with partition 30 in the inside of range hood 100, The eddy current loss in blower chamber 110 is reduced, the working efficiency of range hood 100 is improved, improves the mistake to oil smoke air-flow Filter effect.

In some embodiments, diversion division 310 and the angle of the vertical plane of the up and down direction along fan shroud 10 are a1, a1 Meet relational expression: 10 °≤a1≤90 °.Be conducive to diversion division 310 as a result, for the rear side of cooking fume conductance aweather machine cavity 110, from And the vortex occurred near 40 spiral case of blower is reduced, improve the smoke pumping effect of range hood 100.And diversion division 310 with Along the angle of the vertical plane of the up and down direction of fan shroud 10, user can be according to the real space and actual design of blower chamber 110 It needs to be adjusted, however it is not limited to above-mentioned prescribed limit.

In some specific embodiments, as shown in figure 3, being equipped with edge at one end of neighbouring diversion division 310 on diversion division 310 The spaced multiple grate openings 311 of the left and right directions of fan shroud 10.

It is understood that when flowing to blower chamber 110 after cooking fume stream enters smoke collecting chamber 210, although most oil Flue gas stream enters the rear side of blower chamber 110 under the action of diversion division 310, but the oil smoke air-flow for also having fraction is deposited in The inner wall junction of diversion division 310 and fan shroud 10, such that there are local eddy currents inside range hood 100, thus Influence the smoke pumping effect of range hood 100.Therefore, close on what it was connected with the inner wall of fan shroud 10 on diversion division 310 One end is equipped with grate opening 311, and the cooking fume stream for being deposited in 10 inner wall junction of diversion division 310 and fan shroud is enabled to pass through Grate opening 311 enters the air inlet 410 of blower 40, it is possible thereby to the vortex phenomenon inside range hood 100 be reduced, to protect Demonstrate,prove the smoke absorption effect of range hood 100.Certainly, grate opening 311 is spaced apart along the left and right directions of fan shroud 10 and can guarantee The cooking fume of the inner wall junction of diversion division 310 and fan shroud 10 flows to air inlet 410.What needs to be explained here is that grid Hole 311 plays the role of being ventilative to reduce vortex, therefore grate opening 311 can be selected and any meet ventilative hole Structure makes restriction in the concrete shape of this checks not match gate hole 311, size and quantity.

In some embodiments, as shown in Fig. 2, the spiral case distance from bottom of the bottom of distributary division 320 and blower 40 is L, L Meet relational expression: 40mm≤L≤160mm.It is understood that the bottom of distributary division 320 has the bottom of 40 spiral case of blower Apart from excessive, entire range hood 100 in above-below direction oversized will lead to, to improve the life of range hood 100 Produce cost.And the bottom of distributary division 320 at a distance from the spiral case of blower 40 too closely it will cause blower 40 is difficult to install, wind The oil smoke air-flow accumulated between the spiral case and distributary division 320 of machine 40 is not easy the problems such as flowing.Therefore, by the most lower of distributary division 320 It holds and both ensure that range hood to a certain extent between 40mm-160mm with the spiral case bottom distance L of blower 40 control 100 overall dimensions, and the vortex inside blower chamber 110 is reduced, it ensure that the smoke pumping efficiency of range hood 100.

In some embodiments, distributary division 320 is equipped with multiple air-permeating holes.Although it is understood that most oil Flue gas stream flows down the rear side of aweather machine cavity 110 in the guide functions of distributary division 320, but also has the small part oil smoke banking of the current Below distributary division 320, being equipped with air-permeating hole on distributary division 320 can make this part cooking fume stream flow to wind by air-permeating hole At the air inlet 410 of machine 40, the oil smoke banking of the current of 320 lower section of distributary division is reduced, to ensure that the pumping of range hood 100 Oil smoke efficiency.Certainly, additional description is needed exist for, air-permeating hole here only plays the role of secondary ventilation, herein not to saturating The concrete shape of air holes, size, quantity make specific restriction.

In some embodiments, as shown in Fig. 2-Fig. 3, before the front end of smoke collecting chamber 210 before opposite blower chamber 110 with dashing forward Prominent chamber 220, the upper wall surface of preceding prominent chamber 220 is connected with the front side wall of blower chamber 110, and is coplanar with diversion division 310.

It is understood that smoke collecting chamber 210 has a preceding prominent chamber 220 of opposite blower chamber 110, preceding prominent chamber 220 there are energy The volume for enough promoting smoke collecting chamber 210 enhances suction to increase oil smoke air-flow in oil smoke entrance near zone fluid ability Kitchen ventilator 100 holds together cigarette effect.In addition, the upper wall surface of preceding prominent chamber 220 is coplanar with diversion division 310, that is to say, that some The upper wall surface of preceding prominent chamber 220 can extend in blower chamber 110 to form diversion division 310 in embodiment, thereby simplify oil suction The internal structure of smoke machine 100 reduces the production cost of range hood 100.

Additional description is needed exist for, the shape of preceding prominent chamber 220 is not limited to above-mentioned shape, the antetheca of preceding prominent chamber 220 Face, upper wall surface and lower wall surface can be formed as rectangle, oblong or any other irregular shape.Certainly, practical at this In novel other embodiments, the front end of smoke collecting chamber 210 prominent chamber 220 before can also being not provided with, i.e., in some embodiments, smoke collecting chamber The leading flank of 210 leading flank and blower chamber 110 is coplanar with.

In some embodiments, as shown in Fig. 2-Fig. 3, noise reducing plate 60 is equipped in blower chamber 110, in blower chamber 110 Limit at least one silencing cavity 60a.It is understood that blower 40 can generate noise in rotation, suction thus can be reduced The user experience of kitchen ventilator 100.Set in blower chamber 110 silencing cavity 60a can decay blower 40 generation noise, reduce suction The operating noise of kitchen ventilator 100, to improve user experience.

In some specific embodiments, as shown in Fig. 2-Fig. 3, noise reducing plate 60 includes at least interval along the longitudinal direction and opens up The preceding noise reducing plate 610 and rear noise reducing plate 620 set, blower 40 are located between preceding noise reducing plate 610 and rear noise reducing plate 620, preceding noise reducing plate 610 and rear noise reducing plate 620 on be evenly equipped with bloop.It is understood that the front face of preceding noise reducing plate 610 and fan shroud 10 it Between be formed as silencing cavity 60a, be again formed as silencing cavity 60a between rear noise reducing plate 620 and the rear surface of fan shroud 10, that is to say, that It is equipped with silencing cavity 60a in the front and rear sides of blower 40, can be improved the attenuating of the operating noise to blower 40 in this way, To further promote user experience.In addition, being equipped with bloop, energy on preceding noise reducing plate 610 and rear noise reducing plate 620 Enough further decrease the operating noise of blower 40.It should be added that the effect of preceding noise reducing plate 610 and rear noise reducing plate 620 For the operating noise for blower 40 of decaying, specific restriction is not made to the size of the two, shape, porosity here.

In some embodiments, as shown in fig. 4-5, the siding of the separate fan shroud 10 of exhaust fume collecting hood 20 is equipped with towards wind The condensation grid 50 of 10 protrusion of hood, condensation grid 50 include roof and multiple side walls around roof setting, and roof is equipped with First air-permeating hole 510 of strip, at least one side wall are equipped with the second air-permeating hole 520 of strip；Wherein, the first air-permeating hole 510 are connected with the inner space of fan shroud 10 with the second air-permeating hole 520, the extending direction and second of the first air-permeating hole 510 The extending direction of air-permeating hole 520 is 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 droplet under the action of condensing grid 50 and falls into the catchment cup of range hood 100, and flue gas is through in exhaust fume collecting hood 20 Portion enters inside fan shroud 10, is discharged under the driving of blower 40 outdoor.Flue gas can be by being located at the first air-permeating hole on roof It 510 or is located at the second air-permeating hole of side wall 520 and enters inside exhaust fume collecting hood 20, increase condensation grid 50 in this way and absorb 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 100 is also easy to produce the phenomenon that user's head collision exhaust fume collecting hood 20, improves the practical of the range hood 100 of the utility model Safety.

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 on left side wall and right side wall 520。

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 alternative embodiments, the angle of front side wall and vertical plane is a1, and a1 meets relational expression: 35 °≤a1≤ 40 °, the angle of rear wall and vertical plane is a2, and a2 meets relational expression: 60 °≤a2≤65 °.It is understood that usual situation The catchment cup of lower range hood 100 is located at the rear of exhaust fume collecting hood 20, and the angle of rear wall and vertical plane is bigger to be conducive to adhere to Oil droplet on rear wall is fallen into catchment cup, but the angle of rear wall and vertical plane is excessive to increase concentrated stress, therefore By the angle a2 of rear wall and vertical plane control in the range of 60 ° -65 °.And the angle of front side wall and vertical plane is smaller can To the oil smoke of condensation 50 close beneath of grid play the role of it is certain gather, reduction oil smoke directly stimulates user, but front side wall With the angle of vertical plane is too small equally will increase concentrated stress, therefore by the angle a1 of front side wall and vertical plane control 35 °- In the range of 40 °.

It should be noted that the range of the angle a2 of the angle a1 and rear wall and roof of front side wall and roof are not limited to Above range can be adjusted specifically according to the actual situation.

In some embodiments, as shown in fig. 4-5, 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 is multiple, left and right directions extension air-permeating hole of each second air-permeating hole 520 along exhaust fume collecting hood 20, multiple second air-permeating holes 520 Front-rear direction along exhaust fume collecting hood 20 is spaced apart.It is understood that the left and right directions of exhaust fume collecting hood 20 is length under normal conditions Direction, front-rear direction are width direction, that is to say, that the length of exhaust fume collecting hood 20 in the lateral direction is greater than wide in the longitudinal direction Degree.The length direction of roof is left and right directions, will be located at what the first air-permeating hole 510 on roof was set as extending along the longitudinal direction Hole can increase the effect for absorbing oil smoke to a certain extent, and can guarantee the connection between two the first air-permeating holes 510 The intensity of section reduces the possibility that condensation grid 50 damages.Based on similar reason, the second air-permeating hole 520 that will be located on side wall It is set as the hole extended in left-right direction.

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 specific embodiments, as shown in fig. 4-5, the spacing of two neighboring first air-permeating hole 510 is d1, phase The spacing of adjacent two the second air-permeating holes 520 is that d2, d1 and d2 meet relational expression: d1 < d2.It is understood that practical new at this Play the role of in type mainly absorb flue gas the first air-permeating hole 510, therefore the first air-permeating hole 510 be distributed more can intensively protect Demonstrate,prove the adsorption effect of range hood 100.At the same time, since the second air-permeating hole 520 is located on side wall, too intensive arrangement meeting Influence the intensity of condensation grid 50.Certainly, it is also possible to d1=d2 in the other embodiments of the utility model.

In some alternative embodiments, the spacing d2 of two neighboring second air-permeating hole 520 meets relational expression: 25cm≤d2 ≤30cm.It is understood that d2 control not only can guarantee the flow but also energy of the second air-permeating hole 520 in the range of 25cm-30cm Guarantee the intensity of condensation 50 side wall of grid.Certainly, in the other embodiments of the utility model, d1 can be adjusted according to the actual situation With the specific size of d2.

In some alternative embodiments, as shown in fig. 4-5, the width of each second air-permeating hole 520 is b, and b, which meets, to close Be formula: the length of 5cm≤b≤10cm, each second air-permeating hole 520 are L2, and L2 meets relational expression: 5≤L2/b≤10.As a result, Not only it can guarantee the flow of the second air-permeating hole 520 but also can guarantee the intensity of condensation 50 side wall of grid.Certainly, the utility model its In his embodiment, the specific size of b and L2 can be adjusted according to the actual situation.

Embodiment:

As Figure 1-Figure 5, the range hood 100 of the present embodiment includes fan shroud 10, exhaust fume collecting hood 20, partition 30, noise reduction Plate 60 and condensation grid 50, fan shroud 10 limit blowing machine chamber 110, and blower 40 is equipped in blower chamber 110, and blower 40 includes court The air inlet 410 of after-opening, exhaust fume collecting hood 20 are located at the lower section of fan shroud 10, and limit the smoke collecting chamber being connected to blower chamber 110 210, smoke collecting chamber 210 has the oil smoke import for collecting oil smoke, before the front end of smoke collecting chamber 210 before opposite blower chamber 110 with dashing forward Prominent chamber 220, the upper wall surface of preceding prominent chamber 220 are connected with the front side wall of blower chamber 110,

Partition 30 includes diversion division 310 and distributary division 320, and diversion division 310 is obliquely located at the bottom of blower 40, diversion division 310 one end is connected with the front side wall of fan shroud 10, and the other end of diversion division 310 upwards along stretching, shunts in a rearward direction The lower end in portion 320 is connected on the other end of diversion division 310, and the upper end of distributary division 320 is extended upward.Distributary division 320 Upper end be higher than blower 40 spiral case bottom wall and be lower than air inlet 410 lower edge.The bottom of distributary division 320 and blower 40 Spiral case distance from bottom be L, L meets relational expression: 40mm≤L≤160mm.Diversion division 310 and the angle of up and down direction are a1, a1 Meet relational expression: 10 °≤a1≤90 °.It is equipped at one end of neighbouring diversion division 310 along the left and right of fan shroud 10 on diversion division 310 The spaced multiple grate openings 311 in direction.

Noise reducing plate 60 includes the preceding noise reducing plate 610 and rear noise reducing plate 620 for being spaced apart setting along the longitudinal direction, and blower 40 is located at Between preceding noise reducing plate 610 and rear noise reducing plate 620, bloop is evenly equipped on preceding noise reducing plate 610 and rear noise reducing plate 620.

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.The angle of left side wall and roof is equal to the folder of right side wall and roof The angle of angle, front side wall and vertical plane is a1, and a1 meets relational expression: 35 °≤a1≤40 °, the angle of rear wall and vertical plane is A2, a2 meet relational expression: 60 °≤a2≤65 °.

Roof is equipped with the first air-permeating hole 510 of multiple oblongs, and each first air-permeating hole 510 is along the front and back of exhaust fume collecting hood 20 Direction extends air-permeating hole, and multiple first air-permeating holes 510 are spaced apart along the left and right directions of exhaust fume collecting hood 20.On left side wall and right side wall It is respectively equipped with the second air-permeating hole 520 of multiple oblongs.Each second air-permeating hole 520 extends saturating along the left and right directions of exhaust fume collecting hood 20 Air holes, 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 and the second air-permeating hole 520 are connected with the inner space of fan shroud 10.The spacing of two neighboring first air-permeating hole 510 be d1, two neighboring second The spacing of air-permeating hole 520 is that d2, d1 and d2 meet relational expression: d1 < d2.The spacing d2 of two neighboring second air-permeating hole 520 meets Relational expression: 25cm≤d2≤30cm.The width of each second air-permeating hole 520 is b, and b meets relational expression: 5cm≤b≤10cm, often The length of a second air-permeating hole 520 is L2, and L2 meets relational expression: 5≤L2/b≤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 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, institute Stating smoke collecting chamber has the oil smoke import for collecting oil smoke；

Partition, the partition include diversion division and distributary division, and the diversion division is obliquely located at the bottom of the blower, described to lead The one end in stream portion is connected with the front side wall of the fan shroud, and the other end of the diversion division in a rearward direction stretch upwards by edge, The lower end of the distributary division is connected on the other end of the diversion division, and the upper end of the distributary division extends set upward It sets；Wherein, the upper end of the distributary division is higher than the spiral case bottom wall of the blower and is lower than the lower edge of the air inlet.

2. range hood according to claim 1, which is characterized in that the diversion division and the upper and lower along the fan shroud To the angle of vertical plane be a1, a1 meets relational expression: 10 °≤a1≤90 °.

3. range hood according to claim 2, which is characterized in that the neighbouring diversion division is described on the diversion division The spaced multiple grate openings of left and right directions along the fan shroud are equipped at one end.

4. range hood according to claim 1, which is characterized in that the snail of the bottom of the distributary division and the blower Shell distance from bottom is L, and L meets relational expression: 40mm≤L≤160mm.

5. range hood according to claim 1, which is characterized in that the distributary division is equipped with multiple air-permeating holes.

6. range hood according to claim 1, which is characterized in that the front end of the smoke collecting chamber has the relatively described blower The preceding prominent chamber dashed forward before chamber, the upper wall surface of prominent chamber is connected with the front side wall of the blower chamber before described, and coplanar with the diversion division Setting.

7. range hood according to claim 1, which is characterized in that the blower is intracavitary to be equipped with noise reducing plate, described Blower is intracavitary to limit at least one silencing cavity.

8. range hood according to claim 7, which is characterized in that the noise reducing plate is included at least and is spaced along the longitudinal direction The preceding noise reducing plate and rear noise reducing plate set are opened up, the blower is located between the preceding noise reducing plate and the rear noise reducing plate, before described Bloop is evenly equipped on noise reducing plate and the rear noise reducing plate.

9. range hood according to claim 1, which is characterized in that the siding far from the fan shroud of the exhaust fume collecting hood It is equipped with the condensation grid towards the fan shroud protrusion, the condensation grid includes roof and is arranged around the roof more A side wall, the roof are equipped with the first air-permeating hole of strip, at least one described side wall second equipped with strip is saturating Air holes；Wherein, first air-permeating hole is connected with the inner space of the fan shroud with second air-permeating hole, and described The extending direction of one air-permeating hole and the extending direction of second air-permeating hole are orthogonal.

10. range hood according to claim 9, which is characterized in that first air-permeating hole be it is multiple, each described the One air-permeating hole extends air-permeating hole along the front-rear direction of the exhaust fume collecting hood, and multiple first air-permeating holes are along the left and right of the exhaust fume collecting hood Direction is spaced apart；Second air-permeating hole be it is multiple, each second air-permeating hole prolongs along the left and right directions of the exhaust fume collecting hood Air-permeating hole is stretched, multiple second air-permeating holes are spaced apart along the front-rear direction of the exhaust fume collecting hood.