CN106594826A - Rotary suction type extractor hood - Google Patents
Rotary suction type extractor hood Download PDFInfo
- Publication number
- CN106594826A CN106594826A CN201611095435.4A CN201611095435A CN106594826A CN 106594826 A CN106594826 A CN 106594826A CN 201611095435 A CN201611095435 A CN 201611095435A CN 106594826 A CN106594826 A CN 106594826A
- Authority
- CN
- China
- Prior art keywords
- air
- impeller
- main
- staving
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
Abstract
The invention discloses a rotary suction type extractor hood. The rotary suction type extractor hood comprises a draught fan cover and a main draught fan arranged in the draught fan cover; and the main draught fan comprises a downward air inlet. The rotary suction type extractor hood is characterized in that an auxiliary draught fan is arranged below the air inlet of the main draught fan and comprises a barrel body with the upper end and the lower end open, and an auxiliary impeller which is a centrifugal impeller which is coaxially arranged in the barrel body; a first channel of air flow is formed in the middle of the auxiliary impeller; and a second channel of air flow is formed between the auxiliary impeller and the inner side wall of the barrel body. The auxiliary impeller in the barrel body rotates to form rotational flow, no externally supplemented air flow is used, in this way, the loss of the blast capacity of the extractor hood is avoided, and meanwhile, negative pressure is made to downwards extend, so that a lampblack suction effect can be enhanced; and due to the fact that air inflow of the main draught fan is changed into air suction from the interior of the barrel body from common semispherical face air suction, and the lampblack suction efficiency is greatly improved.
Description
Technical field
The present invention relates to a kind of range hood, especially a kind of rotation sucking kitchen ventilator.
Background technology
Range hood has become one of machine for kitchen use equipment indispensable in Modern Family.Range hood is in use state
Under air draft flow depend primarily on the blast of cooking-fume exhauster blower system, blast is bigger, and air draft flow is also bigger.Normal domestic use
Range hood when in use, oil smoke needs to discharge in oil smoke by drag devices such as smoke exhaust pipe, check (non-return) valve and discharge flues, this
The presence of a little drag devices so that oil smoke has certain back pressure at oil smoke outlet, and the presence of back pressure can largely effect on oil
The air draft flow of cigarette machine.The blast of blower fan system has a positive effect to the air draft flow of range hood, and the presence of back pressure is then to inhaling
The air draft flow of lampblack absorber plays negative consequence.
Generally range hood includes top suction type and side-suction type, and the range hood of top suction type is empty due to clean and tidy light and handy, occupancy
Between it is little the advantages of, it is and in an increasingly wide range of applications.Top-sucking kitchen ventilator generally includes exhaust fume collecting hood, on exhaust fume collecting hood
Blower housing, is provided with spiral case, impeller and drives the motor of impeller in blower housing.Blower fan can be crouched using vertical or horizontal
A kind of top suction type tower range hood as disclosed in the Chinese patent of the Application No. 200720111155.8 of the applicant of formula,
Including casing, the exhaust fume collecting hood being connected to below casing, air-ducting ring and guard, built with spiral case, spiral case is built with impeller, snail for casing
The inlet air mouth down of shell and air outlet upward, are provided with the air inlet concentric with the air intake vent of spiral case and impeller on exhaust fume collecting hood.But
This range hood, negative pressuren zone cannot downwards expand extension, and the effect of fume-exhausting is limited.
The content of the invention
The technical problem to be solved is the problem existed for above-mentioned prior art, there is provided one kind lifts cigarette
The rotation sucking kitchen ventilator of ability.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for：One kind rotation sucking kitchen ventilator, including blower fan
Cover and the main air blower being arranged in fan shroud, the main air blower includes air inlet directed downwardly, it is characterised in that：The main air blower
Air inlet lower section is provided with accessory fan, and the accessory fan includes the staving of upper/lower terminal opening, and auxiliary impeller, institute
It is the centrifugal impeller being placed coaxially in staving to state auxiliary impeller, and the first passage of air-flow is formed in the middle of the auxiliary impeller,
The second channel of air-flow is formed between the auxiliary impeller and staving madial wall.
To avoid oil smoke flow leakage, the main air blower from including air inlet component, the air inlet is opened in the air intake
On mouth component, the upper end edge of the staving and the edge of air inlet component are abutted.
In order that the flowing of staving interior air-flow is smooth, reduce because of the whirlpool of the unreasonable generation of runner, the upper end of the staving
Seamlessly transit between portion and air inlet component.
For cause oil smoke air-flow can from auxiliary impeller in the middle of negative pressure first passage by and flow up, the auxiliary lobe
Wheel includes the stand-by motor of wheel disc and the connection of wheel disk center, and the wheel disc is Openworks shape.
Preferably, the main air blower includes the mair motor of spiral case, the main impeller in spiral case and driving main impeller,
The air inlet component is arranged on the bottom of spiral case.
In order to further such that staving interior air-flow flowing it is smooth, reduce because of the whirlpool of the unreasonable generation of runner, the main lobe
Spacing between wheel and auxiliary impeller is no less than 100mm.
Crossing conference due to spacing causes the air-flow behind auxiliary lobe wheel blade road to collide with staving madial wall, produces whirlpool
Whirlpool, so as to be unfavorable for that the flow rotation for flowing to staving madial wall is drawn up, therefore in the periphery and staving of the auxiliary impeller
Spacing between the wall of side is not more than 20mm.
Compared with prior art, it is an advantage of the current invention that：Eddy flow is formed by the auxiliary impeller rotation in staving, no
External complement air-flow is not used, the air quantity of range hood is not so not only lost, while making negative pressure lower edge, oil suction is enhanced
Cigarette effect；By the way that the air intake of main air blower is changed to into the air draught from staving by common hemisphere face air draught, fume-exhausting efficiency has larger
Lifting.
Description of the drawings
Fig. 1 is the schematic diagram of the range hood of the present invention；
Fig. 2 is the decomposition texture schematic diagram of the range hood of the present invention；
Fig. 3 is the sectional view of the range hood longitudinal direction of the present invention；
Fig. 4 is the horizontal sectional view of range hood of the invention.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Referring to Fig. 1～Fig. 4, one kind rotation sucking kitchen ventilator, including fan shroud 1 and the main air blower being arranged in fan shroud 1
2, for ease of clearly illustrating the structure in fan shroud 1, part fan cover 1 is only shown in Fig. 1.
In the present embodiment, main air blower 2 adopts horizontal type centrifugal blower, and its structure is identical with conventional centrifugal blower, including
The mair motor 23 of spiral case 21, the main impeller 22 in spiral case 21 and driving main impeller 22.The spiral case 21 of main air blower 2 goes out
Air port is provided with outlet housing 3.The bottom of spiral case 21 has air inlet component 24, and air inlet 25 is offered on air inlet component 24,
So as to guide cooking fume flow to it is enterprising enter main impeller 22.
Accessory fan 4 is just provided with to the lower section of the air inlet 25 of main air blower 2, accessory fan 4 includes staving 41, is arranged on
Auxiliary impeller 42 in staving 41 and the stand-by motor 43 for driving auxiliary impeller 42.Auxiliary impeller 42 is existing centrifugation leaf
Wheel, including multiple blades 421 and wheel disc 422, the axial direction for aiding in impeller 42 is vertical direction, and coaxial with staving 41, wheel disc 422 is in
Hollow out so that air-flow can from the negative pressure channel in the middle of auxiliary impeller 42 by and flow up.Stand-by motor 43 passes through motor
Support 44 is fixed on inside the upper end of staving 41, and the output shaft 431 of stand-by motor 43 is connected to the center of wheel disc 422.Staving 41
Upper/lower terminal opening, thereon end edge with the edge of air inlet component 24 along abutting so that the air inlet of air inlet component 24
25 are located in the upper end of staving 41, to avoid oil smoke flow leakage.
Auxiliary impeller 42 in accessory fan 4 drives rotation by stand-by motor 43, so as to drive the inside of staving 41 and bucket
The air of the lower section of body 41, is allowed to rotate, and causes its center air by blade 421 into staving 41 while aiding in impeller 42 to rotate
Wall flow, so as to form a negative pressure first passage P1 in the middle of auxiliary impeller 42 so that negative pressure lower edge, and in auxiliary impeller
Second channel P2 is formed between 42 and the madial wall of staving 41.Combined by the main air blower 2 with top so that the first passage of staving 41
Air-flow in P1 and second channel P2 is all moved upwards, so that soot gas in the pan on kitchen range below range hood
Quick rotation upwards is inhaled, and is not escaped.In said process, in air current flow path such as Fig. 3 and Fig. 4 shown in arrow.
In order that the flowing of the interior air-flow of staving 41 is smooth, reduce because of the whirlpool of the unreasonable generation of runner, main impeller 22 and auxiliary
The spacing helped between impeller 42 no less than 100mm distance, and staving 41 upper end and air inlet component 24 between it is smoothed
Cross.Auxiliary impeller 42 periphery and the madial wall of staving 41 between spacing be not more than 20mm, due to spacing cross conference cause through
Air-flow behind auxiliary impeller 42 leaf road collides with the madial wall of staving 41, whirlpool is produced, so as to be unfavorable for flowing in staving 41
The flow rotation of side wall is drawn up.By the staving that the air intake of main air blower 2 is changed to the application by common hemisphere face air draught
Air draught in 41, fume-exhausting efficiency has larger lifting.
Device is inhaled compared to other rotations, the application is to form eddy flow by auxiliary impeller 42 rotation in staving 41,
External complement air-flow is not used, the air quantity of range hood is not so not only lost, while making negative pressure lower edge, suction is enhanced
Oil smoke effect.
Claims (7)
1. a kind of rotation sucking kitchen ventilator, including fan shroud (1) and the main air blower (2) being arranged in fan shroud (1), the main wind
Machine (2) includes air inlet directed downwardly (25), it is characterised in that：Air inlet (25) lower section of the main air blower (2) is provided with auxiliary
Blower fan (4), the staving (41) of the accessory fan (4) including upper/lower terminal opening, and auxiliary impeller (42), the auxiliary
Impeller (42) is the centrifugal impeller being placed coaxially in staving (41), and the first of air-flow is formed in the middle of the auxiliary impeller (42)
Passage (P1), forms the second channel (P2) of air-flow between auxiliary impeller (42) and staving (41) madial wall.
It is 2. as claimed in claim 1 to revolve sucking kitchen ventilator, it is characterised in that：The main air blower (2) is including air inlet component
(24), the air inlet (25) is opened on the air inlet component (24), the upper end edge and air intake of the staving (41)
The edge of mouth component (24) is abutted.
It is 3. as claimed in claim 2 to revolve sucking kitchen ventilator, it is characterised in that：The upper end of the staving (41) and air inlet
Component is seamlessly transitted between (24).
It is 4. as claimed in claim 1 to revolve sucking kitchen ventilator, it is characterised in that：Auxiliary impeller (42) is including wheel disc
(422) and wheel disc (422) center connection stand-by motor (43), the wheel disc (422) is Openworks shape.
It is 5. as claimed in claim 1 to revolve sucking kitchen ventilator, it is characterised in that：The main air blower (2) is including spiral case (21), position
The mair motor (23) of main impeller (22) and driving main impeller (22) in spiral case (21), the air inlet component (24) sets
Put the bottom in spiral case (21).
It is 6. as claimed in claim 5 to revolve sucking kitchen ventilator, it is characterised in that：The main impeller (22) and auxiliary impeller (42)
Between spacing be no less than 100mm.
7. the rotation sucking kitchen ventilator as any one of claim 1～6, it is characterised in that：Auxiliary impeller (42)
Periphery and staving (41) madial wall between spacing be not more than 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611095435.4A CN106594826A (en) | 2016-12-02 | 2016-12-02 | Rotary suction type extractor hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611095435.4A CN106594826A (en) | 2016-12-02 | 2016-12-02 | Rotary suction type extractor hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106594826A true CN106594826A (en) | 2017-04-26 |
Family
ID=58596755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611095435.4A Pending CN106594826A (en) | 2016-12-02 | 2016-12-02 | Rotary suction type extractor hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106594826A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105824A (en) * | 2018-01-16 | 2018-06-01 | 青岛海尔智慧厨房电器有限公司 | A kind of kitchen ventilator draws cigarette device and kitchen ventilator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2843054A1 (en) * | 2002-07-30 | 2004-02-06 | Claude Tagnon | Method for cleaning air by cyclone effect and filtration, comprises centrifugal fan which draws air through first filter and expels it through second complementary filter to form cyclonic air hood |
| CN1828150A (en) * | 2006-01-16 | 2006-09-06 | 吕才树 | Oil smoke-expelling utensil capable of forming spirally- ascending air current |
| EP2088377A2 (en) * | 2006-07-27 | 2009-08-12 | Electrolux Professional S.P.A. | Improvement in the ventilation arrangement of a fume extractor hood |
| CN102265093A (en) * | 2008-12-10 | 2011-11-30 | 伊莱克斯家用产品股份有限公司 | Suction hood |
| CN105180238A (en) * | 2015-09-17 | 2015-12-23 | 宁波方太厨具有限公司 | Rotary curtain type tornado extractor hood |
| CN105545771A (en) * | 2016-01-31 | 2016-05-04 | 佛山市顺德区合捷电器实业有限公司 | Centrifugal fan module used for range hood |
| CN106051866A (en) * | 2016-07-22 | 2016-10-26 | 宁波方太厨具有限公司 | Draught fan capable of forming man-made tornado and extractor hood |
| CN206222429U (en) * | 2016-12-02 | 2017-06-06 | 宁波方太厨具有限公司 | One kind rotation sucking kitchen ventilator |
-
2016
- 2016-12-02 CN CN201611095435.4A patent/CN106594826A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2843054A1 (en) * | 2002-07-30 | 2004-02-06 | Claude Tagnon | Method for cleaning air by cyclone effect and filtration, comprises centrifugal fan which draws air through first filter and expels it through second complementary filter to form cyclonic air hood |
| CN1828150A (en) * | 2006-01-16 | 2006-09-06 | 吕才树 | Oil smoke-expelling utensil capable of forming spirally- ascending air current |
| EP2088377A2 (en) * | 2006-07-27 | 2009-08-12 | Electrolux Professional S.P.A. | Improvement in the ventilation arrangement of a fume extractor hood |
| CN102265093A (en) * | 2008-12-10 | 2011-11-30 | 伊莱克斯家用产品股份有限公司 | Suction hood |
| CN105180238A (en) * | 2015-09-17 | 2015-12-23 | 宁波方太厨具有限公司 | Rotary curtain type tornado extractor hood |
| CN105545771A (en) * | 2016-01-31 | 2016-05-04 | 佛山市顺德区合捷电器实业有限公司 | Centrifugal fan module used for range hood |
| CN106051866A (en) * | 2016-07-22 | 2016-10-26 | 宁波方太厨具有限公司 | Draught fan capable of forming man-made tornado and extractor hood |
| CN206222429U (en) * | 2016-12-02 | 2017-06-06 | 宁波方太厨具有限公司 | One kind rotation sucking kitchen ventilator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105824A (en) * | 2018-01-16 | 2018-06-01 | 青岛海尔智慧厨房电器有限公司 | A kind of kitchen ventilator draws cigarette device and kitchen ventilator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |
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| RJ01 | Rejection of invention patent application after publication |