CN206247424U - A kind of range hood plug-flow mechanism - Google Patents
A kind of range hood plug-flow mechanism Download PDFInfo
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- CN206247424U CN206247424U CN201620597437.2U CN201620597437U CN206247424U CN 206247424 U CN206247424 U CN 206247424U CN 201620597437 U CN201620597437 U CN 201620597437U CN 206247424 U CN206247424 U CN 206247424U
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- air outlet
- air
- guide duct
- range hood
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Abstract
The utility model is related to a kind of range hood plug-flow structure, including air-supply arrangement, and the air-supply arrangement includes blower fan and guide duct, it is characterised in that the guide duct has three, and the blower fan has two；The first port of the wherein first port of the first guide duct and the second guide duct is all connected with the air-out passage of the first blower fan, and the second port of the first port of the 3rd guide duct and second guide duct is all connected with the air-out passage of the second blower fan；The second port of first guide duct is the first air outlet, the second port of the 3rd guide duct is the 3rd air outlet, the second air outlet is provided with the middle part of second guide duct, first, second, and third air outlet is towards the inlet scoop of range hood, also, three air outlets are located on three sides of the exhaust fume collecting hood of range hood respectively.The utility model can guide the oil smoke for swimming to be flowed to air inlet of cooking-fume exhauster, and oil smoke can be promoted to gather to inlet scoop, substantially improve the suction effect of oil smoke.
Description
Technical field
The utility model is related to range hood, refers specifically to a kind of range hood plug-flow mechanism.
Background technology
In order to further lift the suction effect of oil smoke, make up the oil smoke caused by flow perturbation and swim, people are in oil suction
Air curtain structure is provided with cigarette machine, air curtain is formed on exhaust fume collecting hood periphery, stop swimming for oil smoke, to improve cooking fume exhausting effect.
Authorization Notice No. discloses one kind for the utility model patent of CN2814186Y《Three face air curtains can be produced, oil is prevented
The health kitchen ventilator that cigarette is escaped》, a kind of health kitchen ventilator that can be produced three face air curtains, prevent fumes escaping, its tool
There are exhaust duct, main air blower component, top board and the exhaust fume collecting hood below top board, it is characterised in that the exhaust fume collecting hood and top board institute
Four sets of air curtain generatings are installed in confining space, and corresponding to the exhaust fume collecting hood arranged on left and right sides be respectively provided with it is a set of described
Air curtain generating, and the air curtain that the forward position for corresponding to the exhaust fume collecting hood is then provided with described in two sets side by side in left-right direction is filled
Put, often cover air curtain generating and be respectively provided with air curtain airduct, be provided with downward opening long and narrow bar shaped air-out on air curtain airduct vertically
Mouthful, bar shaped air outlet is embedded on exhaust fume collecting hood through corresponding opening on the exhaust fume collecting hood, and air inlet is additionally provided with air curtain airduct, is entered
Air port communicates with the air outlet of micro-blower, the air intake vent of micro-blower then with the fresh air inlet phase being located on the top board
It is logical.The range hood can effectively stop that oil smoke is escaped to exhaust fume collecting hood outside, it is ensured that oil smoke is sucked and discharges room to greatest extent
Outward.But the extractor hood structure slightly dislikes complicated, often covering air curtain will configure a blower fan；And wind is from long and narrow bar shaped air-out
Mouth blowout, only forms backstop air curtain, does not have booster action to oil smoke.
Utility model content
The present situation that technical problem to be solved in the utility model is directed to prior art provides one kind and can effectively push oil
Cigarette gather to air inlet of cooking-fume exhauster and simple structure range hood plug-flow mechanism.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：The range hood plug-flow structure, including
Air-supply arrangement, the air-supply arrangement includes blower fan and guide duct；
It is characterized in that：
The blower fan is arranged on the guide duct, and the guide duct connects at least one air outlet, the air outlet court
To the inlet scoop of range hood, and the air supply direction of the air outlet is less than or equal to 10 ° with the angle of cut of horizontal plane.
The guide duct can be " U " font, be set along the left side of range hood shell, right side and front side.
The air outlet is provided with the guide vane for limiting the air outlet air supply direction, the two of the guide vane
End is connected on the two side of the air outlet；The cross section of the guide vane has interior narrow outer shape wide from introversion
Outer increase.
Easily limited by by adjusting guide vane and send out airflow direction, using cutting that guide vane gradually increases
Face can break up air-flow, make air-flow with bulk or block submitting, and the central gas stream to be discharged with range hood is contacted with face, pushed away
Stream effect is more preferable.
Meeting the shape of the guide vane of above-mentioned requirements has various, and preferably, the guide vane inside portion is tabular
Structure, the outward flange of the guide vane is with diameter greater than the column structure of the flat part thickness.
Or, the cross section of the guide vane is trapezoidal.
Further, the guide duct can have three, and the blower fan has two；
The air-out that the first port of the wherein first port of the first guide duct and the second guide duct is all connected with the first blower fan is led to
The second port of road, the first port of the 3rd guide duct and second guide duct is all connected with the air-out passage of the second blower fan；
The second port of first guide duct is the first air outlet, and the second port of the 3rd guide duct goes out for the 3rd
Air port, the second air outlet is provided with the middle part of second guide duct；
First, second, and third air outlet is towards the inlet scoop of range hood, also, three air outlet difference positions
In on three sides of the exhaust fume collecting hood of range hood.
For convenience of the connection of guide duct；The first switching sleeve pipe can be provided with the air-out passage of first blower fan mouthful,
The air-out passage mouthful of second blower fan is provided with the second switching sleeve pipe；
The first switching sleeve pipe is identical with the structure of the described second switching sleeve pipe；
The first reducing sleeve pipe has spaced first through hole and the second through hole；The first of first guide duct
Port connects each right by the first through hole on two switching sleeve pipes respectively with the first port of the 3rd guide duct
The air-out passage answered；The first port of the 3rd guide duct is led to by the air-out that the first through hole connects second blower fan
Road；Two ports of second guide duct connect two the second through holes of switching sleeve pipe respectively.
It is preferred that the angle of cut of the center line of first, second, third air outlet and horizontal plane is less than or equal to 10 °, it is described go out
The width in air port is 10~15mm, and the length of the air outlet is more than its width.The air-supply arrangement of the program is from each air-out
The wind that mouth is sent out is in relative divergent state, and the oil smoke of rising is acted on certain area, promotes oil smoke to range hood
Inlet scoop is gathered, while forming air-flow, the oil smoke that guiding is swum is moved to center.
Preferably；The centerline parallel of first, second, third air outlet is in horizontal plane.
The blower fan and the guide duct are preferably provided in the cavity between the housing of lampblack absorber and the exhaust fume collecting hood, institute
Exhaust fume collecting hood is stated to be provided with and the first air outlet, the second air outlet and corresponding the first ventilating opening of the 3rd air outlet, the second ventilation
Mouth and third venting mouthful.
To be preferably adapted to conventional two kitchen range structures of burner, the length of preferably described 3rd air outlet is more than described the
First, the length of the second air outlet.
The blower fan can as needed from it is of the prior art any one, preferably described blower fan be centrifugal blower.
Using the plug-flow method of above-mentioned range hood plug-flow structure, comprise the steps：
When frying pan is placed on the cooking stove of left side, the flow that first air outlet sends out air-flow is the second air outlet institute
Send out air flow rate 1.5~4 times；
When frying pan is placed on the cooking stove of right side, the flow that second air outlet sends out air-flow is first air-out
Mouth sends out 1.5~4 times of air flow rate；
When frying pan work is placed with two cooking stoves, first air outlet sends out gas with second air outlet
Stream flow is equal.
Compared with prior art, range hood plug-flow structure provided by the utility model is sent by blower fan from multiple directions
Go out bulk air-flow, the oil smoke that guiding is swum is flowed to air inlet of cooking-fume exhauster, and oil smoke can be promoted to gather to inlet scoop, is changed significantly
It has been apt to the suction effect of oil smoke.Plug-flow method provided by the utility model, no matter upper single frying pan work or two frying pans are simultaneously
Work, can be balanced the thrust in the central gas stream all directions of airflow function, by central gas stream to range hood
Centerline direction push, thoroughly avoid the problem that a side force is big, side force hour dispels central gas stream.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the utility model embodiment use state；
Fig. 2 is the three-dimensional signal of air-supply arrangement and exhaust fume collecting hood and partial shell decomposing state in the utility model embodiment
Figure；
Fig. 3 is the schematic perspective view after the utility model embodiment removes the upper cover plate of housing；
Fig. 4 is the schematic perspective view of air-supply arrangement decomposing state in the utility model embodiment；
Fig. 5 and Fig. 6 is two kinds of sectional views of guide vane in the utility model embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Figures 1 to 6, the range hood plug-flow structure is arranged between the housing 4 of range hood and exhaust fume collecting hood 3
In cavity 41, the first ventilating opening 31, the second ventilating opening 32 and third venting mouth 33 is respectively equipped with three sides of exhaust fume collecting hood 3,
Wherein the second ventilating opening 32 is positioned close in the side cavity of cooker, and it is empty that two other ventilating opening is arranged on arranged on left and right sides
In chamber.
The range hood plug-flow structure includes air-supply arrangement, air-supply arrangement by first switch, second switch, two blower fans,
Control chip (not shown) and three guide duct compositions.
Wherein, first switch and second switch correspond respectively on kitchen range the housing 4 that two burners are arranged on range hood
On；First switch and the second switch electrically connect control chip；Control chip is arranged on the panel inner side of housing.
Wherein, the first blower fan 11 and the second blower fan 12 are separately positioned in the cavity of arranged on left and right sides.The wind of the present embodiment first
The blower fan 12 of machine 11 and second is centrifugal blower.
The air-out passage mouth of the first blower fan 11 is provided with the first switching sleeve pipe 51, is set on the air-out passage mouthful of the second blower fan 12
There is the second switching sleeve pipe 52；First switching sleeve pipe 51 is identical with the structure of the second switching sleeve pipe 52.
The through hole of spaced first through hole 53 and second is respectively provided with the first switching switching sleeve pipe 52 of sleeve pipe 51 and second
54。
The air-out passage of the first blower fan 11 passes through the first through hole 54 of first through hole 53 and second transferred on sleeve pipe 51 simultaneously
The first port of the first guide duct 21 and the first port of the second guide duct 22 are connected, the second port of the first guide duct 21 is
First air outlet 211, the first air outlet 211 connects the first ventilating opening 31.
The air-out passage of the second blower fan 12 passes through the second through hole 54 of first through hole 53 and second transferred on sleeve pipe 52 simultaneously
Connect the first port of the 3rd guide duct 23 and the second port of the second guide duct 22；The second port of the 3rd guide duct 23 is
3rd air outlet 231, the connection of the 3rd air outlet 231 third venting mouthful 33.
The middle part of the second guide duct 22 is provided with the second air outlet 221, and the second air outlet 221 connects the second ventilating opening 32.
As shown in figure 5, be equipped with first, second, third air outlet 211,221,231 being sent for limiting each air outlet
The guide vane 24 in wind direction, the two ends of guide vane 24 are connected on the two side of air outlet；Guide vane 24 is plate
Shape structure, perpendicular to the axis of air inlet of cooking-fume exhauster；The external end edge of each guide vane 24 is cylindrical-shaped structure 25, for beating
Dissipate air-flow.It is parallel on first, second air outlet 211,221 to be provided with two panels guide vane, the 3rd air outlet in the present embodiment
231 are provided with a piece of guide vane.
The structure of guide vane can also be located at as shown in fig. 6, it is trapezoidal guide vane 24 ' to use a piece of cross section
Surface on the outside of air outlet is the bottom of build.
First, second, third air outlet 211,221,231 to the inlet scoop 42 to range hood, and parallel to level
Face.Three center lines of air outlet with respect to the horizontal plane can also be inclined slightly, with the center line of each air outlet and horizontal plane
The angle of cut is advisable less than or equal to 10 °.Each air outlet width is 12mm, so that blown out air-flow has dissipating effect, being formed has one
Determine the boosting stream of area, oil smoke is pushed to the center of inlet scoop 42, in the presence of avoiding oil smoke from swimming, additionally it is possible to preferably promote
Enter oil smoke to gather to inlet scoop 42, lift cooking fume exhausting effect.
Each air outlet is strip structure in the present embodiment, and its length is all higher than its width, and the 3rd air outlet 231
Length is more than the length of first, second air outlet 211,221, to be adapted to two cooking stoves.
During work, when pan is on the burner of left side, logical first switch is closed, control chip controls what the first blower fan was sent out
Throughput is 1.7 times of the second blower fan；The air-flow that first blower fan is produced enters the first guide duct and the second guide duct, second simultaneously
The air-flow that blower fan is produced enters the 3rd guide duct and the second guide duct simultaneously, via the first air outlet, the second air outlet and the 3rd
The guide vane of air outlet changes direction, broken up via mixed flow post after send out, make to be applied to the thrust-balancing on the left of oil smoke both sides,
So as to promote oil smoke to gather to the inlet scoop center of range hood, range hood is helped to improve suction effect.
When pan is in right side burner, logical second switch is closed, the air flow rate that the second blower fan is produced is the 1.7 of the first blower fan
Times；When having frying pan on two burners of cooking stove, while opening first switch and second switch, the first blower fan and the second blower fan are equal
Large flow-rate gas stream is blowed out, so that the thrust of oil smoke both sides is balanced.
Claims (11)
1. a kind of range hood plug-flow mechanism, including air-supply arrangement, the air-supply arrangement includes blower fan and guide duct；
It is characterized in that：
The blower fan is arranged on the guide duct, and the guide duct connects at least one air outlet, and the air outlet direction is inhaled
The inlet scoop of lampblack absorber, and the air supply direction of the air outlet is less than or equal to 10 ° with the angle of cut of horizontal plane.
2. range hood plug-flow mechanism according to claim 1, it is characterised in that the guide duct is " U " font, along inhaling
The left side of lampblack absorber housing, right side and front side are set.
3. range hood plug-flow mechanism according to claim 2, it is characterised in that the air outlet is provided with for limiting
The guide vane (24) of the air outlet air supply direction, the two ends of the guide vane (24) are connected to the air outlet
On two side；The cross section of the guide vane (24) has interior narrow outer shape wide.
4. range hood plug-flow mechanism according to claim 3, it is characterised in that guide vane (24) inside portion is
Plate-like structure, the outward flange of the guide vane (24) is with diameter greater than the column structure of the flat part thickness.
5. range hood plug-flow mechanism according to claim 3, it is characterised in that the cross section of the guide vane (24)
It is trapezoidal.
6. the range hood plug-flow mechanism according to claim 1 to 5 any claim, it is characterised in that：
The guide duct has three, and the blower fan has two；
The first port of wherein the first guide duct (21) and the first port of the second guide duct (22) are all connected with the first blower fan (11)
Air-out passage, the first port of the 3rd guide duct (23) and the second port of second guide duct (22) are all connected with the second wind
The air-out passage of machine (12)；
The second port of first guide duct (21) is the first air outlet (211), the second end of the 3rd guide duct (23)
Mouth is the 3rd air outlet (231), and the second air outlet (221) is provided with the middle part of second guide duct (22)；
First, second, and third air outlet is towards the inlet scoop (42) of range hood, also, three air outlet difference positions
In on three sides of the exhaust fume collecting hood (3) of range hood.
7. range hood plug-flow mechanism according to claim 6, it is characterised in that the air-out of first blower fan (11) is led to
Road junction is provided with the first switching sleeve pipe (51), and the air-out passage mouthful of second blower fan (12) is provided with the second switching sleeve pipe
(52)；
First switching sleeve pipe (51) is identical with the structure of the described second switching sleeve pipe (52)；
First switching sleeve pipe (51) is with spaced first through hole (53) and the second through hole (54)；First wind-guiding
The first port of (21) and the first port of the 3rd guide duct (23) are managed respectively by described the on two switching sleeve pipes
One through hole (53) connects each self-corresponding air-out passage；The first port of the 3rd guide duct (23) is by the first through hole
(53) air-out passage of second blower fan is connected；Two ports of second guide duct (22) connect two reducing sleeves respectively
Second through hole of pipe.
8. range hood plug-flow mechanism according to claim 7, it is characterised in that first, second, third air outlet
The center line of (211,221,231) and the angle of cut of horizontal plane are less than or equal to 10 °, and the width of the air outlet is 10~15mm, and
And the length of the air outlet is more than its width.
9. range hood plug-flow mechanism according to claim 7, it is characterised in that first, second, third air outlet
The centerline parallel of (211,221,231) is in horizontal plane.
10. range hood plug-flow mechanism according to claim 7, it is characterised in that the blower fan and the guide duct are set
In cavity between the housing (4) and the exhaust fume collecting hood (3) of lampblack absorber, the exhaust fume collecting hood (3) is provided with and the first air outlet
(211), the second air outlet (221) and corresponding the first ventilating opening (31) of the 3rd air outlet (231), the second ventilating opening (32) and
Third venting mouthful (33).
11. range hood plug-flow mechanisms according to claim 10, it is characterised in that the length of the 3rd air outlet (231)
Length of the degree more than first, second air outlet (211,221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620597437.2U CN206247424U (en) | 2016-06-15 | 2016-06-15 | A kind of range hood plug-flow mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620597437.2U CN206247424U (en) | 2016-06-15 | 2016-06-15 | A kind of range hood plug-flow mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN206247424U true CN206247424U (en) | 2017-06-13 |
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ID=58997729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620597437.2U Active CN206247424U (en) | 2016-06-15 | 2016-06-15 | A kind of range hood plug-flow mechanism |
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| Country | Link |
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| CN (1) | CN206247424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016399A (en) * | 2016-06-15 | 2016-10-12 | 宁波方太厨具有限公司 | Flow pushing mechanism and method for extractor hood |
-
2016
- 2016-06-15 CN CN201620597437.2U patent/CN206247424U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016399A (en) * | 2016-06-15 | 2016-10-12 | 宁波方太厨具有限公司 | Flow pushing mechanism and method for extractor hood |
| CN106016399B (en) * | 2016-06-15 | 2018-11-06 | 宁波方太厨具有限公司 | A kind of range hood plug-flow mechanism and plug-flow method |
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