CN106016399A - Flow pushing mechanism and method for extractor hood - Google Patents
Flow pushing mechanism and method for extractor hood Download PDFInfo
- Publication number
- CN106016399A CN106016399A CN201610422631.1A CN201610422631A CN106016399A CN 106016399 A CN106016399 A CN 106016399A CN 201610422631 A CN201610422631 A CN 201610422631A CN 106016399 A CN106016399 A CN 106016399A
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- China
- Prior art keywords
- air
- air outlet
- guide duct
- range hood
- flow
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention relates to a flow pushing mechanism and method for an extractor hood. The flow pushing mechanism for the extractor hood comprises an air feeding device which comprises draught fans and air guiding pipes, and is characterized in that the number of the air guiding pipes is three, and the number of the draught fans is two; the first end port of the first air guiding pipe and the first end port of the second air guiding pipe are both connected with an air outlet channel of the first draught fan; the first end port of the third air guiding pipe and the second end port of the second air guiding pipe are both connected with an air outlet channel of the second draught fan; the second end port of the first air guiding pipe is a first air outlet; the second end port of the third air guiding pipe is a third air outlet; a second air outlet is formed in the middle portion of the second air guiding pipe; the first air outlet, the second air outlet and the third air outlet all face an air suction port of the extractor good; and the three air outlets are located in three side faces of a smoke collection hood of the extractor hood correspondingly. The flow pushing mechanism for the extractor hood can guide floating cooking fume to flow to the air suction port of the extractor hood and push the cooking fume to be gathered towards the air suction port, and the suction and discharging effects of the cooking fume are greatly improved.
Description
Technical field
Originally relate to range hood, refer specifically to a kind of range hood plug-flow mechanism and plug-flow method.
Background technology
In order to promote the suction effect of oil smoke further, making up the oil smoke that flow perturbation caused and swim, people are at fume-exhausting
It is provided with air curtain structure on machine, forms air curtain at exhaust fume collecting hood periphery, stop swimming, to improve cooking fume exhausting effect of oil smoke.
Authorization Notice No. is that the utility model patent of CN2814186Y discloses one and " can produce three air curtains, prevent
The health kitchen ventilator of fumes escaping ", a kind of can produce three air curtains, prevent the health kitchen ventilator of fumes escaping,
It has exhaust duct, main air blower assembly, top board and is arranged on the exhaust fume collecting hood below top board, it is characterised in that described exhaust fume collecting hood
With four set air curtain generatings are installed in top board enclosed space, and be respectively provided with corresponding to the arranged on left and right sides of described exhaust fume collecting hood
A set of described air curtain generating, the forward position corresponding to described exhaust fume collecting hood is provided with described in two sets the most side by side
Air curtain generating, often set air curtain generating be respectively provided with air curtain airduct, air curtain airduct is provided with vertically opening down
Long and narrow bar shaped air outlet, opening that bar shaped air outlet is corresponding on described exhaust fume collecting hood and be embedded on exhaust fume collecting hood, air curtain airduct
On be additionally provided with air inlet, air inlet communicates with the air outlet of micro-blower, the air intake vent of micro-blower then be located at institute
The fresh air inlet stated on top board communicates.This range hood can effectively stop that oil smoke is escaped outside exhaust fume collecting hood, it is ensured that oil smoke is maximum
Limit it is sucked and outside discharge chamber.But this extractor hood structure slightly dislikes complicated, often set air curtain will configure a blower fan；
And wind is from long and narrow bar shaped air outlet blowout, only forms backstop air curtain, oil smoke is not had booster action.
Summary of the invention
Basis is the most to be solved technical problem is that the present situation for prior art provides one can effectively push oil smoke to fume-exhausting
Machine inlet scoop is gathered and the range hood plug-flow mechanism of simple in construction.
This most to be solved another technical problem is that for prior art present situation provide one can effectively push oil smoke to
The range hood plug-flow method that air inlet of cooking-fume exhauster is gathered.
The technical scheme that the above-mentioned technical problem of this solution is used is: this range hood plug-flow structure, including air-supply arrangement,
Described air-supply arrangement includes blower fan and guide duct；
It is characterized in that:
Described blower fan is arranged on described guide duct, and described guide duct connects at least one air outlet, described air outlet towards
The inlet scoop of range hood, and the angle of cut of the air supply direction of described air outlet and horizontal plane is less than or equal to 10 °.
Described guide duct can be " U " font, and left side, right side and front side along range hood shell are arranged.
Described air outlet is provided with the guide vane for limiting described air outlet air supply direction, the two ends of described guide vane
It is connected on the two side of described air outlet；The cross section of described guide vane has interior narrow outer wide shape from introversive
Outer increase.
Sent airflow direction can be limited easily by regulation guide vane, utilize the cross section that guide vane is gradually increased
Can be broken up by air-flow, make air-flow send with bulk or bulk, the central gas stream to be discharged with range hood contacts with face,
Plug-flow effect is more preferable.
The shape of the guide vane meeting above-mentioned requirements has multiple, and preferably, described guide vane medial part is tabular knot
Structure, the outward flange of described guide vane is the column structure that diameter is more than described flat part thickness.
Or, the cross section of described guide vane is trapezoidal.
Further, described guide duct can have three, and described blower fan has two；
Wherein the first port of the first guide duct and the first port of the second guide duct are all connected with the air-out passage of the first blower fan,
First port of the 3rd guide duct and the second port of described second guide duct are all connected with the air-out passage of the second blower fan；
Second port of described first guide duct is the first air outlet, and the second port of described 3rd guide duct is the 3rd air-out
Mouthful, the middle part of described second guide duct is provided with the second air outlet；
Described first, second, and third air outlet all towards the inlet scoop of range hood, and, three air outlets positions respectively
On three sides of the exhaust fume collecting hood of range hood.
Connection for convenience of guide duct；The first switching sleeve pipe, institute can be provided with on the air-out passage mouth of described first blower fan
The air-out passage mouth stating the second blower fan is provided with the second switching sleeve pipe；
Described first switching sleeve pipe is identical with the structure of described second switching sleeve pipe；
Described first switching sleeve pipe has spaced first through hole and the second through hole；First end of described first guide duct
It is the most right that mouth is connected by described first through hole on two switching sleeve pipes respectively with the first port of described 3rd guide duct
The air-out passage answered；First port of described 3rd guide duct connects the air-out of described second blower fan by described first through hole
Passage；Two ports of described second guide duct connect the second through hole of two switching sleeve pipes respectively.
The centrage of the most described first, second, third air outlet and the angle of cut of horizontal plane are less than or equal to 10 °, described
The width of air outlet is 10～15mm, and the length of described air outlet is more than its width.The air-supply arrangement of the program from
The wind that each air outlet is sent is relative divergent state, acts on the oil smoke of rising with certain area, promotes oil smoke to suction
The inlet scoop of lampblack absorber is gathered, and concurrently forms air-flow, guides the oil smoke swum to move to center.
Preferably；The centerline parallel of described first, second, third air outlet is in horizontal plane.
Described blower fan and described guide duct are preferably provided in the cavity between the housing of lampblack absorber and described exhaust fume collecting hood, described
Exhaust fume collecting hood is provided with first vent corresponding with the first air outlet, the second air outlet and the 3rd air outlet, second ventilates
Mouth and third venting mouth.
For the kitchen range structure of preferably adaptive conventional two burners, the length of the most described 3rd air outlet is more than described the
One, the length of the second air outlet
Described blower fan can select as required of the prior art any one, the most described blower fan is centrifugal blower.
Use 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 of described first the sent air-flow of air outlet is sent by the second air outlet
Go out 1.5～4 times of air flow rate；
When frying pan is placed on the cooking stove of right side, the flow of described second the sent air-flow of air outlet is described first air outlet
1.5～4 times of sent air flow rate；
When being all placed with frying pan work on two cooking stoves, described first air outlet and described second the sent air-flow of air outlet
Flow is equal.
Compared with prior art, range hood plug-flow structure provided by the present invention sends bulk by blower fan from multiple directions
Air-flow, guides the oil smoke swum to flow to air inlet of cooking-fume exhauster, and oil smoke can be promoted to gather to inlet scoop, be substantially improved
The suction effect of oil smoke.Plug-flow method provided by the present invention, no matter upper single frying pan works or two frying pans work simultaneously,
The thrust in the central gas stream all directions of airflow function all can be made to be balanced, by central gas stream in range hood
Heart line direction pushes, and thoroughly avoids the problem that a side force is big, central gas stream is dispelled by a side force hour.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view that the embodiment of the present invention uses state；
Fig. 2 is air-supply arrangement and exhaust fume collecting hood and the schematic perspective view of partial shell decomposing state in the embodiment of the present invention；
Fig. 3 is the schematic perspective view after the embodiment of the present invention removes the upper cover plate of housing；
Fig. 4 is the schematic perspective view of air-supply arrangement decomposing state in the embodiment of the present invention；
Fig. 5 and Fig. 6 is the sectional view of two kinds of guide vanes in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment to being originally described in further detail.
As shown in Figures 1 to 6, this range hood plug-flow structure is arranged between the housing 4 of range hood and exhaust fume collecting hood 3
Cavity 41 in, three sides of exhaust fume collecting hood 3 are respectively equipped with first vent the 31, second vent 32 and threeway
Air port 33, wherein the second vent 32 is positioned close in the side cavity of cooker, and two other vent is arranged on
In arranged on left and right sides cavity.
This range hood plug-flow structure includes air-supply arrangement, and air-supply arrangement is by two buttons, two blower fans, control chip (figures
Not shown in) and three guide duct compositions.
Wherein, the first switch 13 and second switch 14 correspond respectively on kitchen range two burners and are arranged on the shell of range hood
On body 4；First switch 13 and described second switch 14 all electrically connect control chip；Control chip is arranged on the face of housing
Inside plate.
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 present embodiment first
Blower fan 11 and the second blower fan 12 are centrifugal blower.
The air-out passage mouth of the first blower fan 11 is provided with the first switching sleeve pipe 51, on the air-out passage mouth of the second blower fan 12
It is provided with the second switching sleeve pipe 52；First switching sleeve pipe 51 is identical with the structure of the second switching sleeve pipe 52.
It is respectively provided with spaced first through hole 52 and the second through hole on first switching sleeve pipe 51 and the second switching sleeve pipe 52
53。
The while that the air-out passage of the first blower fan 11 being by the first through hole 52 on the first switching sleeve pipe 51 and the second through hole 53
Connect the first port and first port of the second guide duct 22 of the first guide duct 21, the second end of the first guide duct 21
Mouth is the first air outlet 211, and the first air outlet 211 connects the first vent 31.
The while that the air-out passage of the second blower fan 12 being by the first through hole 52 on the second switching sleeve pipe 55 and the second through hole 53
Connect the first port and second port of the second guide duct 22 of the 3rd guide duct 23；Second end of the 3rd guide duct 23
Mouth is the 3rd air outlet 231, and the 3rd air outlet 231 connects third venting mouth 31.
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 vent 32.
As it is shown in figure 5, be equipped with for limiting each air-out on first, second, third air outlet 211,221,231
The guide vane 24 of mouth air supply direction, the two ends of guide vane 24 are connected on the two side of air outlet；Water conservancy diversion leaf
Sheet 24 is platy structure, is perpendicular to the axis of air inlet of cooking-fume exhauster；The external end edge of each guide vane 24 is cylindric
Structure 25, is used for breaing up air-flow.In the present embodiment, the most parallel on first, second air outlet 211,221 it is provided with two panels
Guide vane, it is a piece of that the 3rd air outlet 231 is provided with a piece of water conservancy diversion.
The structure of guide vane can also as shown in Figure 6, and using a piece of cross section is trapezoidal guide vane 24 ', is positioned at
Surface outside air outlet is the end of build.
First, second, third air outlet 211,221,231 is all to the inlet scoop 42 of range hood, and is parallel to
Horizontal plane.The centrage of three air outlets can also the most slightly tilt, with centrage and the water of each air outlet
The angle of cut of plane is advisable less than or equal to 10 °.Each air outlet width is 12mm, so that blown out air-flow has dissipating effect,
Form the boosting stream with certain area, push oil smoke to the center of inlet scoop 42, under the effect avoiding oil smoke to swim,
Oil smoke can also be advantageously promoted gather to inlet scoop 42, promote cooking fume exhausting effect.
In the present embodiment, each air outlet is strip structure, and its length is all higher than its width, and the 3rd air outlet 231
Length more than the length of first, second air outlet 211,221, with adaptive two cooking stoves.
During work, when pan is on the burner of left side, closing logical first switch, control chip controls what the first blower fan was sent
Throughput is 1.7 times of the second blower fan；The air-flow that first blower fan produces simultaneously enters the first guide duct and the second guide duct,
The air-flow that second blower fan produces simultaneously enters the 3rd guide duct and the second guide duct, via the first air outlet, the second air outlet
Send after changing direction with the guide vane of the 3rd air outlet, break up via mixed flow post, make to be applied on the left of oil smoke both sides
Thrust-balancing, thus promote oil smoke to gather to the center, inlet scoop of range hood, help range hood to improve suction effect.
When pan is at right side burner, close logical second switch, air flow rate is the first blower fan the 1.7 of the second blower fan generation
Times；When having frying pan on two burners of cooking stove, open the first switch and second switch, the first blower fan and the second wind simultaneously
Machine all blows out large flow-rate gas stream, so that the thrust equilibrium of oil smoke both sides.
Claims (12)
1. a range hood plug-flow mechanism, including air-supply arrangement, described air-supply arrangement includes blower fan and guide duct；
It is characterized in that:
Described blower fan is arranged on described guide duct, and described guide duct connects at least one air outlet, and described air outlet is towards the inlet scoop of range hood, and the angle of cut of the air supply direction of described air outlet and horizontal plane is less than or equal to 10 °.
Range hood the most according to claim 1 plug-flow mechanism, it is characterised in that described guide duct is " U " font, and left side, right side and front side along range hood shell are arranged.
Range hood the most according to claim 2 plug-flow mechanism, it is characterized in that described air outlet is provided with the guide vane (24) for limiting described air outlet air supply direction, the two ends of described guide vane (24) are connected on the two side of described air outlet；The cross section of described guide vane (24) has interior narrow outer wide shape.
Range hood the most according to claim 3 plug-flow mechanism, it is characterised in that described guide vane (24) medial part is plate-like structure, and the outward flange of described guide vane (24) is the column structure that diameter is more than described flat part thickness.
Range hood the most according to claim 3 plug-flow mechanism, it is characterised in that the cross section of described guide vane (24) is trapezoidal.
6. according to the range hood plug-flow mechanism described in claim 1 to 5 any claim, it is characterised in that:
Described guide duct has three, and described blower fan has two；
Wherein the first port of the first guide duct (21) and the first port of the second guide duct (22) are all connected with the air-out passage of the first blower fan (11), and the first port of the 3rd guide duct (23) and the second port of described second guide duct (22) are all connected with the air-out passage of the second blower fan (12)；
Second port of described first guide duct (21) is the first air outlet (211), second port of described 3rd guide duct (23) is the 3rd air outlet (231), and the middle part of described second guide duct (22) is provided with the second air outlet (221)；
Described first, second, and third air outlet all towards the inlet scoop (42) of range hood, and, on (3) three sides of the exhaust fume collecting hood that three air outlets lay respectively at range hood.
Range hood the most according to claim 6 plug-flow mechanism, it is characterized in that the air-out passage mouth of described first blower fan (11) is provided with the first switching sleeve pipe (51), the air-out passage mouth of described second blower fan (12) is provided with the second switching sleeve pipe (52)；
Described first switching sleeve pipe (51) is identical with the structure of described second switching sleeve pipe (52)；
Described first switching sleeve pipe (51) has spaced first through hole (52) and the second through hole (53)；First port of described first guide duct (21) connects each self-corresponding air-out passage by described first through hole (52) on two switching sleeve pipes respectively with the first port of described 3rd guide duct (23)；First port of described 3rd guide duct (23) connects the air-out passage of described second blower fan by described first through hole (51)；Two ports of described second guide duct (22) connect the second through hole of two switching sleeve pipes respectively.
Range hood the most according to claim 7 plug-flow mechanism, it is characterized in that the centrage of described first, second, third air outlet (211,221,231) and the angle of cut of horizontal plane are less than or equal to 10 °, the width of described air outlet is 10～15mm, and the length of described air outlet (21) is more than its width.
Range hood the most according to claim 7 plug-flow mechanism, it is characterised in that the centerline parallel of described first, second, third air outlet (211,221,231) is in horizontal plane.
Range hood the most according to claim 7 plug-flow mechanism, it is characterized in that described blower fan and described guide duct are arranged in the cavity between the housing (4) of lampblack absorber and described exhaust fume collecting hood (3), described exhaust fume collecting hood (3) is provided with first vent (31), second vent (32) and the third venting mouth (33) corresponding with the first air outlet (211), the second air outlet (221) and the 3rd air outlet (231).
11. range hood according to claim 10 plug-flow mechanisms, it is characterised in that the length of described 3rd air outlet (231) is more than the length of described first, second air outlet (211,221).
The 12. plug-flow methods using the range hood plug-flow mechanism as described in claim 1 to 11 any claim, it is characterised in that comprise the steps:
When frying pan is placed on the cooking stove of left side, 1.5～4 times that the flow of described first the sent air-flow of air outlet 211 is the second sent air flow rate of air outlet 221；
When frying pan is placed on the cooking stove of right side, the flow of described second the sent air-flow of air outlet 221 is 1.5～4 times of described first the sent air flow rate of air outlet；
When being all placed with frying pan work on two cooking stoves, described first air outlet 211 is equal with described second the sent air flow rate of air outlet 221.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422631.1A CN106016399B (en) | 2016-06-15 | 2016-06-15 | A kind of range hood plug-flow mechanism and plug-flow method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422631.1A CN106016399B (en) | 2016-06-15 | 2016-06-15 | A kind of range hood plug-flow mechanism and plug-flow method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106016399A true CN106016399A (en) | 2016-10-12 |
| CN106016399B CN106016399B (en) | 2018-11-06 |
Family
ID=57088431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610422631.1A Active CN106016399B (en) | 2016-06-15 | 2016-06-15 | A kind of range hood plug-flow mechanism and plug-flow method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106016399B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765389A (en) * | 2016-12-20 | 2017-05-31 | 美的集团股份有限公司 | Fume extractor |
| CN109681933A (en) * | 2017-10-18 | 2019-04-26 | 宁波方太厨具有限公司 | A kind of range hood |
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| CN2145336Y (en) * | 1992-07-12 | 1993-11-03 | 张景松 | Rotary efflux shielded cooker hood |
| US20100095949A1 (en) * | 2008-10-17 | 2010-04-22 | Rong Fung Huang | Pollutant removing device and oblique single air curtain range hood using the device |
| CN202692201U (en) * | 2012-07-31 | 2013-01-23 | 叶耀林 | Cleaning-free smoke exhauster |
| CN103486638A (en) * | 2013-10-08 | 2014-01-01 | 罗琮贵 | Silent rotational-flow, full-absorption and energy-saving range hood with function of locking fume and rotational-flow fume-locking and fume-sending ring |
| CN105066201A (en) * | 2015-07-24 | 2015-11-18 | 唐国锐 | Pneumatic beam-control lampblack guide method for range hood, and pneumatic beam-control lampblack guide range hood |
| CN206247424U (en) * | 2016-06-15 | 2017-06-13 | 宁波方太厨具有限公司 | A kind of range hood plug-flow mechanism |
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2016
- 2016-06-15 CN CN201610422631.1A patent/CN106016399B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2145336Y (en) * | 1992-07-12 | 1993-11-03 | 张景松 | Rotary efflux shielded cooker hood |
| US20100095949A1 (en) * | 2008-10-17 | 2010-04-22 | Rong Fung Huang | Pollutant removing device and oblique single air curtain range hood using the device |
| CN202692201U (en) * | 2012-07-31 | 2013-01-23 | 叶耀林 | Cleaning-free smoke exhauster |
| CN103486638A (en) * | 2013-10-08 | 2014-01-01 | 罗琮贵 | Silent rotational-flow, full-absorption and energy-saving range hood with function of locking fume and rotational-flow fume-locking and fume-sending ring |
| CN105066201A (en) * | 2015-07-24 | 2015-11-18 | 唐国锐 | Pneumatic beam-control lampblack guide method for range hood, and pneumatic beam-control lampblack guide range hood |
| CN206247424U (en) * | 2016-06-15 | 2017-06-13 | 宁波方太厨具有限公司 | A kind of range hood plug-flow mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765389A (en) * | 2016-12-20 | 2017-05-31 | 美的集团股份有限公司 | Fume extractor |
| CN106765389B (en) * | 2016-12-20 | 2019-07-02 | 美的集团股份有限公司 | Fume extractor |
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| CN109681933B (en) * | 2017-10-18 | 2024-02-20 | 宁波方太厨具有限公司 | Fume exhauster |
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| Publication number | Publication date |
|---|---|
| CN106016399B (en) | 2018-11-06 |
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