A kind of rotary wind screen range hood with lampblack filter
Technical field
The present invention relates to a kind of kitchen utensils, particularly a kind of rotary wind screen range hood with lampblack filter.
Background technology
At present, the oil smoke of most of range hoods is sucked and is discharged by leafy blower fan, so just makes inevitably to produce on the impeller that greasy dirt accumulates, dry up, fouling, and dismounting trouble, cleaning are difficult; In addition, the grease that accumulates has also destroyed the dynamic balancing of impeller, and the operation noise is increased, and affects result of use, reduction of service life.Although present gas-screen type cooking fumes suction is mostly with air curtain, but its air curtain air port is at the leading edge of range hood and the casing downside of both sides, blow out air-flow from top to bottom and form air curtain, in this design, because the ascent direction of the airflow direction of air curtain and oil smoke is opposite, affect the effect of pump drainage oil smoke, in addition, oil smoke near air curtain is dispelled by downward air-flow easily, and collection cigarette poor effect is polluted kitchen environment.Simultaneously, a lot of range hoods fully do not purify oil smoke and just directly enter atmosphere, perhaps long between in use after, screen pack sticks greasy dirt, to the clean-up effect variation of oil smoke, all can be to environment.
Summary of the invention
Purpose of the present invention is exactly the deficiency that will overcome above-mentioned range hood, and a kind of rotary wind screen range hood with lampblack filter is provided.The rotary wind screen that this device forms can prevent the excessive diffusion of oil smoke in gastronomical process effectively, improves the pumping-clean rate of oil smoke; And the air-flow with oil smoke is inner without blower fan in this device, also just can not produce greasy dirt in the inner phenomenon that adheres to of blower fan, avoid cleaning, also can effectively avoid because problems such as the bladed disk vibration that the greasy dirt adhesion causes, aeroperformance decline, noise increases; In addition, design lampblack filter in this device, can effectively oil smoke have been separated from air, entered again atmosphere, protection of the environment.
For solving above technical problem, the present invention by the following technical solutions:
A kind of rotary wind screen range hood with lampblack filter, comprise hood, blower fan, aspirating air pipe and oil-fume separating device, the outlet of described blower fan is separately installed with the first current divider, the outlet of described the first current divider is equipped with injection pipeline and the second current divider, the outlet of the second current divider is connected with a plurality of air supply ducts, described hood inside is equipped with a plurality of air-supply columns that communicate with each air supply duct, each air-supply column is provided with bar nozzle, air-flow through bar nozzle out after, in hood, form rotary wind screen; One end of described aspirating air pipe links to each other with oil-fume separating device, and the other end is positioned at the rotary wind screen top, and described injection pipeline extends in the aspirating air pipe.
As the preferred embodiments of the present invention, the bar nozzle on a plurality of air-supply columns forms the circular configuration take the hood center as the center of circle, and each is tangent from bar nozzle air-flow and this circle out.
As the preferred embodiments of the present invention, the bar nozzle on described each air-supply column is respectively to the deflection of hood center.
As the preferred embodiments of the present invention, the bar nozzle on described each air-supply column is respectively to hood center deflection 20 degree.
As the preferred embodiments of the present invention, the bottom-up successively interval of described bar nozzle is equipped with a plurality of guide vanes, and each guide vane all is inclined upwardly.
As the preferred embodiments of the present invention, the L-shaped structure of described aspirating air pipe, comprise the first paragraph that links to each other with oil-fume separating device and link to each other and the second segment vertical with first paragraph with first paragraph that the air line distance of described injection pipeline in aspirating air pipe is greater than the external diameter of aspirating air pipe second segment.
As the preferred embodiments of the present invention, the bottom of described oil-fume separating device has removed and installed pallet, the oil that separates in order to accept oil-fume separating device.
As the preferred embodiments of the present invention, described smoke exhaust ventilator further includes without blade fan, this without blade fan between rotary wind screen and aspirating air pipe.
As the preferred embodiments of the present invention, described blower fan is positioned at the hood outside.
Range hood of the present invention has the following advantages at least: the present invention has formed rotary wind screen in hood inside, not only overcome the airflow direction of the conventional air curtain of blowing from top to bottom with the opposite defective of oil smoke ascent direction, and suction airflow and air curtain air-flow are united two into one, this design can effectively stop oil smoke excessive, have higher smoke collecting efficiency, have again higher pumping efficiency.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of the rotary wind screen range hood of band lampblack filter of the present invention.
Fig. 2 is the sectional structure schematic diagram of A-A face among Fig. 1.
Fig. 3 is the structural representation of guide vane of the present invention.
Fig. 4 is the structural representation of aspirating air pipe of the present invention, injection pipeline and oil-fume separating device.
Fig. 5 is the structural representation of the present invention's the first current divider, the second current divider and air supply duct.
1 |
Bar nozzle |
8 |
The injection pipeline |
2 |
Guide vane |
9 |
Aspirating air pipe |
3 |
The air-supply column |
10 |
The first current divider |
4 |
Blower fan |
11 |
Side board |
5 |
Hood |
12 |
The second current divider |
6 |
Oil-fume separating device |
13 |
Air supply duct |
7 |
Without blade fan |
|
|
The specific embodiment
Below in conjunction with accompanying drawing range hood of the present invention is described in detail.
See also Fig. 1, Fig. 4 and shown in Figure 5, range hood of the present invention comprises hood 5, blower fan 4, without blade fan 7, aspirating air pipe 9 and oil-fume separating device 6, described aspirating air pipe 9 is roughly L shaped structure, one end and the oil-fume separating device 6 of aspirating air pipe 9 are smoothly connected, the other end is without blade fan 7, and described hood 5 is positioned at without blade fan 7 belows.Described aspirating air pipe 9 comprises the first paragraph that links to each other with oil-fume separating device 6 and links to each other and the second segment vertical with first paragraph with first paragraph.
The outlet of described blower fan 4 is provided with the first current divider 10 and is used for the air-flow in the blower fan 4 is divided into two strands, satisfies its needed throughput to guarantee two strands of air-flows.The port of export of described the first current divider 10 is connected with respectively injection pipeline 8 and the second current divider 12, and the air-flow that described the second current divider 12 is used for will entering in the second current divider 12 is divided into four strands.Please consult especially shown in Figure 4, described injection pipeline 8 extends in the first paragraph of aspirating air pipe 9 always, described injection pipeline 8 is from entering aspirating air pipe 9 to the axial distance of the injection pipeline 8 ends external diameter greater than aspirating air pipe 9 second segments, in other words, the air line distance of described injection pipeline 8 in aspirating air pipe 9 is greater than the external diameter of aspirating air pipe 9 second segments.
The bottom of described oil-fume separating device 6 is provided with dismountable pallet, and the greasy dirt that oil-fume separating device 6 separates is deposited in the pallet by Action of Gravity Field.
Please consult especially shown in Figure 5, the outlet of described the second current divider 12 is connected with four air supply ducts 13, described hood 5 is equipped with four air-supply columns 3 at four corner locations, described each air-supply column 3 communicates with a corresponding air supply duct 13, please consult especially Fig. 1, Fig. 2 and shown in Figure 3, be provided with bar nozzle 1 on the described air-supply column 3, bar nozzle 1 on each air-supply column 3 is respectively to center deflection certain angle, in the present embodiment, to center deflection 20 degree, like this, bar nozzle 1 on four air supply ducts 13 forms the circular configuration take hood 5 centers as the center of circle, like this, when air-flow that blower fan 4 produces through bar nozzle 1 out after, at the hood 4 interior swirling eddies that produce annular; In addition, bottom-up successively interval is equipped with a plurality of guide vanes 2 on the bar nozzle 1 on described each air supply duct 13, to guarantee the direction of bar nozzle 1 exit flow on the horizontal deflection, is conducive to the formation of artificial cyclone.
The setting of the present invention's the first current divider 10 guarantees that the air-flow that enters into injection pipeline 8 forms jet, enters into the second current divider 12, through air supply duct 13, air-supply column 3, forms rotary wind screen from bar nozzle 1 air-flow out at last.
The object of the present invention is achieved like this: by the air-flow of blower fan 4 generations, enter into respectively in the second current divider 12 and the injection pipeline 8 through the first current divider 10, air-flow in the second current divider 12 and the injection pipeline 8 or equate or do not wait, the air-flow that enters into the second current divider 12 enters respectively 4 air-supply columns 3 through air supply duct 13, at last ejection from bar nozzle 1 produces rotary wind screen; Another part air-flow that is produced by blower fan 4 enters injection pipeline 8 and produces jets since the swabbing action of jet generation with the air-flow inhale pipeline 9(of rotary wind screen because rotary wind screen below aspirating air pipe), namely produced artificial cyclone; Installed between aspirating air pipe 9 and rotary wind screen without blade fan 7, it can increase inspiratory capacity, makes simultaneously inspiratory capacity be convenient to regulate, and can make again inspiratory airflow more even, more is conducive to formation and the adjusting of artificial cyclone; The air-flow that enters aspirating air pipe 9 enters oil-fume separating device 6 with higher flow velocity, this oil-fume separating device 6 has the principle that is similar to cyclone separator, the air-flow ascending motion of in oil-fume separating device 6, spinning, under the effect of centrifugal force, the oil smoke drop that density is larger can be attached on the wall in the runner outside, attaching oil drops on the wall and compiles, and under Action of Gravity Field, flow downward, the pallet that flows to oil-fume separating device 6 bottoms is collected, pallet can take off and clean and change, and enters atmosphere through the gas that separates.
The present invention's advantage compared with prior art is:
(1) the present invention has adopted rotary wind screen, not only overcome the airflow direction of existing conventional air curtain of blowing from top to bottom with the opposite defective of oil smoke ascent direction, and suction airflow and air curtain air-flow are united two into one, this design can effectively stop oil smoke excessive, have higher smoke collecting efficiency, have again higher pumping efficiency.
(2) blower fan 4 of the present invention is positioned at the hood outside, connect from hood 5 internal directs with the air-flow of oil smoke and to enter into aspirating air pipe 9, discharged by oil-fume separating device 6 at last, like this, with the air-flow of oil smoke without blower fan 4 inside, therefore, avoid adhering to owing to oil smoke harmful phenomenons such as noise increase that the blade of blower fan 4 produces, the lost of life, and avoid cleaning.
(3) with oil-fume separating device 6; take full advantage of the larger characteristics of air velocity in the smoke discharging pipe in this device; the air-flow that flow velocity is larger is introduced oil-fume separating device 6, can separate and collect oil smoke, protection of the environment on the one hand, and the flow velocity of discharging air-flow is reduced.
Therefore, the present invention has the smoke collecting efficiency height, the kitchen internal contamination is few, noise is low, the life-span is long, be convenient to cleaning, compact conformation, be convenient to install, discharge of noxious gases is few, protection of the environment, cheap, be convenient to implement, be easy to the advantage such as popularization.
The above only is one embodiment of the present invention, it or not whole or unique embodiment, the conversion of any equivalence that those of ordinary skills take technical solution of the present invention by reading specification of the present invention is claim of the present invention and contains.