CN102889627B - Range hood with air screen - Google Patents
Range hood with air screen Download PDFInfo
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- CN102889627B CN102889627B CN201210333554.4A CN201210333554A CN102889627B CN 102889627 B CN102889627 B CN 102889627B CN 201210333554 A CN201210333554 A CN 201210333554A CN 102889627 B CN102889627 B CN 102889627B
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- Prior art keywords
- wind
- lampblack absorber
- guiding
- guiding cavity
- wind screen
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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
- F24C15/2028—Removing cooking fumes using an air curtain
Abstract
The invention discloses a range hood with an air screen, and aims to solve problems that spilled lampblack influences the sight of a cooking person in a cooking process, splashed oil injures the cooking person, the flame of a cooking range is affected easily when an air curtain is formed, and lampblack extracting rate is reduced. The range hood comprises an air guide cavity and a fan, wherein the air guide cavity is arranged on the front side of the range hood; the fan is arranged on the upper part of the air guide cavity; an elongated air screen air outlet with a downward opening is formed in the lower end of the air guide cavity; the air screen air outlet extends along the lower edge of the front side surface of the range hood; and the fan forms the air screen which blows from top to bottom on the front side of the range hood, and the air screen is inclined towards the outer side of the range hood and extends downwards.
Description
Technical field
The present invention relates to lampblack absorber field, be specifically related to a kind of lampblack absorber with wind screen.
Background technology
Lampblack absorber is a kind of kitchen appliance purifying kitchen environment.It is arranged on above kitchen range, takes away for the harmful oil smoke produced in the refuse that burnt by cooking stove and cooking process, outside discharge chamber, and then reduces Air Pollution in Kitchen, purifies air.Because lampblack absorber is open design, all oil smoke can not all siphon away by it; The oil smoke causing part excessive, toward the chest of cooker and cephalad direction diffusion, affects the sight line of cooker; Especially the fluid sputtered in oil cauldron in cooking process, is easily ejected into chest and the head of cooker, damaging cooker.In order to improve the problems referred to above, some inventors are to this has been improvement, such as, China Patent Publication No. CN2811799, publication date on August 30th, 2006, the name of innovation and creation is called smoke exhaust ventilator, this application case discloses a kind of smoke exhaust ventilator, it installs Windscreen Fan in casing of cooker hood, the wind that blower fan produces is by the sweptback gap-shaped nozzle in the left and right sides, below laterally blowout before the hood of top, form air curtain, realize with this excessive diffusion preventing oil smoke, that improves oil smoke takes out most rate; But it has following deficiency: one, although the program is by forming air curtain in the left and right sides of smoke exhaust ventilator lampblack absorber, prevent the excessive diffusion of oil smoke, the impact that oil smoke excessive in cooking process produces cooker sight line is improved with this, but it is to the fluid sputtered in cooking process, the problem that cooker damages is not resolved.Its two, is formed because current air curtain is blown out outward by blower fan, the air below smoke exhaust ventilator can be flowed along with air curtain, and the direction that oil smoke is aspirated in the direction of air curtain flowing when working from smoke exhaust ventilator is different; The oil smoke which results in part in cooking process can be excessive in kitchen along with air curtain flowing, and be difficult to be siphoned away by smoke exhaust ventilator, that reduces oil smoke takes out most rate.This problem is also after the air curtain of current smoke exhaust ventilator is formed, and fails to obtain the fine problem solved always.Its three, formed because current air curtain is blown out outward by blower fan, after this makes air curtain be formed, air curtain easily has an impact to the flame of cooking stove in cooking process.
Summary of the invention
The first object of the present invention can not be siphoned away by oil smoke timely to overcome existing lampblack absorber, the sight line of oil smoke excessive in cooking process to cooker is caused to have an impact, and the problem that the fluid sputtered damages cooker, there is provided a kind of sight line of oil smoke excessive in cooking process to cooker that can effectively solve to have an impact, and the fluid sputtered is to the lampblack absorber with wind screen of the problem that cooker damages.
The second object of the present invention be in order to overcome existing have wind screen lampblack absorber after air curtain is formed, not only make part oil smoke can along with air curtain flowing and excessive, reduce oil smoke take out most rate; And air curtain is easily to the problem that the flame of cooking stove in cooking process has an impact; There is provided a kind of lampblack absorber with wind screen not only effectively can improve the barriering effect of wind screen to the fluid sputtered, and effectively can improve air curtain and formed and easily the flame of cooking stove had an impact and reduce the problem that oil smoke takes out most rate afterwards.
Technical scheme of the present invention is:
A kind of lampblack absorber with wind screen, comprise and be arranged on wind-guiding cavity on front side of lampblack absorber and blower fan, wind-guiding cavity top is located at by described blower fan, and wind-guiding cavity lower end is provided with downward opening strip wind screen air outlet, and this wind screen air outlet extends along lampblack absorber leading flank lower limb.This programme, by arranging blower fan on front side of lampblack absorber, forms the wind screen blown from top to bottom in the front side of lampblack absorber, so not only effectively can prevent excessive oil smoke from spreading to the chest of cooker and cephalad direction, make cooker can have good sight line; And can effectively intercept in cooking process, the fluid sputtered in oil cauldron is ejected into chest and the head of cooker, avoids damaging cooker.
As preferably, blower fan forms the wind screen blown from top to bottom in the front side of lampblack absorber, and this wind screen is tilted to downward-extension outside lampblack absorber.Because the wind screen formed is tilted to downward-extension toward smoke exhaust ventilator outside, like this can while intercepting excessive oil smoke and the fluid that sputters, ensureing that wind shields can not have an impact to the flame of cooking stove.
As preferably, the angle of wind screen and horizontal plane is between 81 degree to 50 degree.While intercepting excessive oil smoke and the fluid that sputters, can ensure that wind screen can not have an impact to the flame of cooking stove like this.
As preferably, wind-guiding cavity is at least provided with one deck dividing plate outward by inside lampblack absorber in bottom, described wind screen air outlet is separated at least two air outlets by inside lampblack absorber by this dividing plate outward, and shields passage by forming at least twice wind inside lampblack absorber outward in wind-guiding cavity; Described wind screen passage forms at least two-layer wind screen blown from top to bottom in the front side of lampblack absorber, described each layer wind screen is tilted to downward-extension outside lampblack absorber, and the wind speed of each layer wind screen and wind intensity reduce gradually toward interior outside lampblack absorber.
Because this programme forms at least two-layer wind screen blown from top to bottom in the front side of lampblack absorber, the barriering effect of wind screen to the fluid sputtered effectively can be improved.The more important thing is because each layer wind screen is tilted to downward-extension outside lampblack absorber, and the wind speed of each layer wind screen and wind intensity reduce outside lampblack absorber gradually toward interior; That is the closer to inside lampblack absorber wind screen wind speed and wind intensity all the more relax, in the process of lampblack absorber suction oil smoke, be just not easy the impact being subject to wind screen like this, effectively can improve air curtain and form the rear problem of taking out most rate reducing oil smoke because of air curtain impact; On the other hand, due to inside lampblack absorber outside lampblack absorber wind screen wind speed and wind intensity stronger, the barriering effect to the fluid sputtered in cooking process can be ensured like this.In addition, due to wind screen toward lampblack absorber outside, be tilted to downward-extension, and the closer to inside lampblack absorber wind screen wind speed and wind intensity all the more relax, can ensure further like this wind shield can not have an impact to the flame of cooking stove.
As preferably, in wind screen passage, be provided with netted interlayer, and the quantity of netted interlayer in each wind screen passage reduces outward gradually by inside lampblack absorber.By being provided with netted interlayer in wind screen passage, and the quantity of netted interlayer in each wind screen passage reduces outward gradually by inside lampblack absorber, and the wind speed and the wind intensity that realize each layer wind screen reduce gradually toward interior outside lampblack absorber.
As preferably, each wind screen passage shields air outlet wind up by wind and shields passage length and reduce gradually outward by inside lampblack absorber, and the air-admitting surface of each wind screen channel upper increases outward gradually by inside lampblack absorber.Reduce gradually outward by inside lampblack absorber because each wind screen passage shields air outlet wind screen passage length up by wind, and the air-admitting surface that each wind shields passage corresponding increases outward gradually by inside lampblack absorber; With this realize each layer wind screen wind speed and wind intensity reduce gradually toward interior outside lampblack absorber.
As preferably, each layer wind shields the inclination angle tilted outside lampblack absorber and increases gradually outward by inside lampblack absorber.Due to each layer wind, to shield the inclination angle that tilts outside lampblack absorber different, and it is larger to shield the closer to the wind outside lampblack absorber the inclination angle tilted outside lampblack absorber; Can make like this adjacent two layers wind shield between the interval extension of shield along with wind and increase, improve wind further and shield barriering effect to the fluid sputtered.
As preferably, wind-guiding cavity comprises internal layer wind-guiding cavity inside by lampblack absorber and by the outer wind-guiding cavity outside lampblack absorber, the top of outer wind-guiding cavity is located at by described blower fan, and described wind screen air outlet is located at the lower end of outer wind-guiding cavity, the upper end open of described internal layer wind-guiding cavity, the lower end of internal layer wind-guiding cavity is provided with downward opening strip inlet scoop, and this inlet scoop and wind shield air outlet is arranged side by side, between described outer wind-guiding cavity and internal layer wind-guiding cavity, there is partition wall, and this partition wall is provided with in connection, the guiding air channel of outer wind-guiding cavity, guiding air channel comprises the outer guiding air channel near outer wind-guiding cavity and the interior guiding air channel near internal layer wind-guiding cavity, described outer guiding air channel is in extending obliquely, interior guiding air channel is in extending obliquely, in, rounding off between outer guiding air channel, near the air dam forming inverted v-shaped between the downside of wind screen air outlet and outer wind guide chamber body sidewall on described outer guiding air channel, and the upper end of this air dam extends in outer wind-guiding cavity.
Operationally, the wind screen air outlet not by means of only outer wind-guiding cavity lower end forms the wind screen blown from top to bottom to the blower fan of this programme in the front side of lampblack absorber; And under the effect of the air dam of V-shaped, part wind in outer wind-guiding cavity is imported in internal layer wind-guiding cavity by guiding air channel, and form the wind blown from lower to upper in internal layer wind-guiding cavity, and then form the wind screen inhaled from lower to upper together at strip inlet scoop place.The wind formed due to strip inlet scoop place shields the inner side being positioned at the wind screen that wind screen air outlet is formed, and the wind screen that strip inlet scoop place is formed is the wind screen inhaled from lower to upper, so not only can eliminate the impact of wind screen on oil smoke of blowing from top to bottom at wind screen air outlet place, in effective solution cooking process, the oil smoke of part can be excessive in kitchen along with the flowing of wind screen, be difficult to be siphoned away by smoke exhaust ventilator, reduce the problem of taking out most rate of oil smoke; And can effectively eliminate wind screen air outlet place blow from top to bottom wind screen have an impact to the flame of cooking stove.In addition, the wind inhaled the from lower to upper screen that strip inlet scoop place is formed, can also improve the suction effect that smoke pumping at suction oil smoke is.
As preferably, be positioned at the lateral wall outside lampblack absorber and the madial wall inside lampblack absorber on the outer wind-guiding cavity above guiding air channel and be parallel to each other; The cross-sectional area being positioned at the outer wind-guiding cavity below guiding air channel reduces from top to bottom gradually; The ratio L1/L2 of the spacing L2 between the inside and outside sidewall of the spacing L1 between the lateral wall of described air dam upper end and the outer wind-guiding cavity above air channel of leading and the outer wind-guiding cavity above air channel of leading is between 1/4 to 3/5.The air dam of this programme while ensureing that wind screen air outlet place forms the wind screen blown from top to bottom, can form the wind inhaled the from lower to upper screen of some strength at strip inlet scoop place.Can according to specific needs during specific design, the intensity of the wind inhaled the from lower to upper screen regulating the ratio of L1/L2 to regulate strip inlet scoop place to be formed.In addition, because the lateral wall be positioned on the outer wind-guiding cavity above guiding air channel outside lampblack absorber is parallel to each other with the madial wall inside lampblack absorber, good guide effect can be formed to the wind of blower fan blowout; And the cross-sectional area being positioned at the outer wind-guiding cavity below guiding air channel reduces from top to bottom gradually, be conducive to stable, the dense wind screen formed at screen air outlet place.
As preferably, the cross-sectional area being positioned at the internal layer wind-guiding cavity above guiding air channel increases from lower to upper gradually, increases gradually after the cross-sectional area being positioned at the internal layer wind-guiding cavity below guiding air channel first reduces from top to bottom gradually.Because the cross-sectional area being positioned at the internal layer wind-guiding cavity above guiding air channel increases from lower to upper gradually, be conducive to the wind imported in internal layer wind-guiding cavity like this and blow out from lower to upper; After the wind being positioned at the internal layer wind-guiding cavity above guiding air channel goes out, due to the cross-sectional area being positioned at the internal layer wind-guiding cavity below guiding air channel first reduce gradually from top to bottom after increase gradually, be conducive to like this forming negative pressure in the internal layer wind-guiding cavity below guiding air channel, and then form the wind screen inhaled from lower to upper together at strip inlet scoop place.
The invention has the beneficial effects as follows:
One, effectively can solve the sight line of oil smoke excessive in cooking process to cooker and have an impact, and the problem that the fluid sputtered damages cooker.
Its two, effectively can improve air curtain and be formed and easily the flame of cooking stove had an impact and reduce the problem that oil smoke takes out most rate afterwards.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the embodiment of the present invention 1.
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
Fig. 3 is a kind of structural representation of the embodiment of the present invention 2.
Fig. 4 is the partial enlarged drawing at B place in Fig. 3.
In figure: wind-guiding cavity 1, blower fan 2, wind screen 3, wind screen air outlet 4, dividing plate 5, wind screen passage 6, netted interlayer 7, guide vane 8, outer wind-guiding cavity 9, internal layer wind-guiding cavity 10, partition wall 11, strip inlet scoop 12, guiding air channel 13, air dam 14, outer guiding air channel 15, interior guiding air channel 16.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
Embodiment 1, as shown in Figure 1 and Figure 2, a kind of lampblack absorber with wind screen, comprises and is arranged on wind-guiding cavity 1 on front side of lampblack absorber and blower fan 2.Wind-guiding cavity 1 top is located at by blower fan 2.Wind-guiding cavity 1 lower end is provided with downward opening strip wind screen air outlet 4, and this wind screen air outlet 4 extends along lampblack absorber leading flank lower limb.
By being provided with two-layer dividing plate 5 inside lampblack absorber outward in wind-guiding cavity 1 bottom.Wind is shielded air outlet 4 by being separated into three air outlets inside lampblack absorber outward by this dividing plate 5, and shields passage 6 by forming three road wind inside lampblack absorber outward in wind-guiding cavity 1.Each wind screen passage 6 is tilted to downward-extension outside lampblack absorber, and the inclination angle that each wind screen passage 6 tilts outside lampblack absorber increases outward gradually by inside lampblack absorber.Be provided with netted interlayer 7 in wind screen passage 6, and the quantity of netted interlayer in each wind screen passage 6 reduces outward gradually by inside lampblack absorber; Specifically, be up provided with three-layer network shape interlayer 7 side by side by shielding air outlet by wind in the wind screen passage 6 inside lampblack absorber, the wind screen passage 6 being positioned at middle part shields air outlet by wind and is up provided with two-layer netted interlayer 7 side by side.Each wind screen passage 6 shields air outlet wind screen passage length up by wind and reduces gradually outward by inside lampblack absorber.The air-admitting surface on each wind screen passage 6 top increases outward gradually by inside lampblack absorber, and namely the upper port area of each wind screen passage 6 increases outward gradually by inside lampblack absorber.Each wind screen passage 6 shields air outlet cross-sectional area up by wind and reduces gradually, and specifically, the left and right sides of each wind screen passage 6 are parallel to each other, and inside and outside side is inclined plane, and wind screen passage 6 is reduced gradually by wind screen air outlet cross-sectional area up.Air outlet place by the wind screen passage 6 outside lampblack absorber is provided with rotating guide vane 8.
Blower fan 2 forms three layers of wind screen 3 blown from top to bottom by above-mentioned wind screen passage 6 in the front side of lampblack absorber.Wind speed and the wind intensity of each layer wind screen 3 reduce gradually toward interior outside lampblack absorber.Each layer wind screen 3 is tilted to downward-extension outside lampblack absorber, and the inclination angle that each layer wind screen 3 tilts outside lampblack absorber increases outward gradually by inside lampblack absorber, be specifically, angle by one deck wind screen 3 inside lampblack absorber and horizontal plane is 81 degree, one deck wind screen 3 being positioned at middle part is 69 degree with the angle of horizontal plane, and the angle by one deck wind screen 3 outside lampblack absorber and horizontal plane is 56 degree.
The present embodiment forms three layers of wind screen 3 blown from top to bottom by blower fan 2 and wind screen passage 6 on front side of lampblack absorber, and each layer wind screen 3 is tilted to downward-extension outside lampblack absorber, and the wind speed of each layer wind screen 3 and wind intensity reduce gradually toward interior outside lampblack absorber; The fluid that so not only can effectively sputter in isolating oil soot and oil cauldron; And in the process of lampblack absorber suction oil smoke, be not easy the impact being subject to wind screen, effectively can improve air curtain and form the rear problem of taking out most rate reducing oil smoke because of air curtain impact; Can ensure that wind screen can not have an impact to the flame of cooking stove simultaneously.
Embodiment 2, as shown in Figure 3, Figure 4, a kind of lampblack absorber with wind screen, comprises and is arranged on wind-guiding cavity 1 on front side of lampblack absorber and blower fan 2.Wind-guiding cavity 1 comprises the internal layer wind-guiding cavity 10 inside by lampblack absorber and leans on the outer wind-guiding cavity 9 outside lampblack absorber.Between outer wind-guiding cavity and internal layer wind-guiding cavity, there is partition wall 11.The upper end open of internal layer wind-guiding cavity 10.The lower end of internal layer wind-guiding cavity 10 is provided with downward opening strip inlet scoop 12, and this inlet scoop 12 and wind shield air outlet 4 is arranged side by side.Outer wind-guiding cavity 9 is provided with the partition wall 11 between internal layer wind-guiding cavity 10 the guiding air channel 13 being communicated with inside and outside layer wind-guiding cavity, and this guiding air channel is positioned at wind-guiding cavity bottom.Guiding air channel 13 comprises the outer guiding air channel 15 near outer wind-guiding cavity 9 and the interior guiding air channel 16 near internal layer wind-guiding cavity 10.Outer guiding air channel 15 is in extended obliquely, and interior guiding air channel 16 is extended obliquely, rounding off between inside and outside guiding air channel.
The left and right sides of internal layer wind-guiding cavity 10 are parallel to each other.The cross-sectional area being positioned at the internal layer wind-guiding cavity 10 above guiding air channel 13 increases from lower to upper gradually.Increase gradually after being positioned at the cross-sectional area first reduction gradually from top to bottom of the internal layer wind-guiding cavity 10 below guiding air channel 13.Near the air dam 14 forming inverted v-shaped between the downside of wind screen air outlet 4 and the sidewall of outer wind-guiding cavity 9 on outer guiding air channel 15.The upper end of this air dam 14 extends in outer wind-guiding cavity 9.The lateral wall be positioned on the outer wind-guiding cavity 9 above guiding air channel 16 outside lampblack absorber is parallel to each other with the madial wall inside lampblack absorber; The ratio L1/L2 of the spacing L2 between the inside and outside sidewall of the spacing L1 between the lateral wall of the upper end of air dam 14 and the outer wind-guiding cavity 9 above air channel 13 of leading and the outer wind-guiding cavity 9 above air channel 13 of leading is 3/8.
The top of outer wind-guiding cavity 9 is located at by blower fan 2.The lower end of outer wind-guiding cavity 9 is provided with downward opening strip wind screen air outlet 4, and wind screen air outlet 4 extends along lampblack absorber leading flank lower limb.The cross-sectional area being positioned at the outer wind-guiding cavity 9 below guiding air channel 13 reduces from top to bottom gradually.By being provided with two-layer dividing plate 5 inside lampblack absorber outward in outer wind-guiding cavity 9 bottom, specifically, outer wind-guiding cavity 9 below air channel 13 of leading is positioned at by being provided with two-layer dividing plate 5 inside lampblack absorber outward.Wind is shielded air outlet 4 by being separated into three air outlets inside lampblack absorber outward by this dividing plate 5, and shields passage by forming three road wind inside lampblack absorber outward in outer wind guide chamber body.All the other structures of the present embodiment are with reference to embodiment 1.
Operationally, the wind screen passage not by means of only outer wind-guiding cavity 9 bottom forms three layers of wind screen 3 blown from top to bottom to the blower fan 2 of the present embodiment on front side of lampblack absorber; And under the effect of the air dam 14 of V-shaped, the part wind in outer wind-guiding cavity 9 can be imported in internal layer wind-guiding cavity 10 by guiding air channel 13.Because the outer guiding air channel 15 near outer wind-guiding cavity 9 is in extended obliquely, near the interior guiding air channel 16 of internal layer wind-guiding cavity 10 in extended obliquely; Thus the wind also will blown from lower to upper in formation in internal layer wind-guiding cavity 10 when blower fan 2 works, and then the wind screen inhaled from lower to upper is together formed at strip inlet scoop 12 place.The wind inhaled the from lower to upper screen that strip inlet scoop 12 place is formed, when not only effectively can eliminate lampblack absorber suction oil smoke, the impact of the wind blown from top to bottom screen on oil smoke that wind screen air outlet 4 place is formed, in effective solution cooking process, the oil smoke of part can be excessive in kitchen along with the flowing of wind screen, be difficult to be siphoned away by smoke exhaust ventilator, reduce the problem of taking out most rate of oil smoke; And the wind blown from top to bottom effectively can eliminating the air outlet 4 place formation of wind screen shields the impact produced cooking stove flame.
Claims (9)
1. one kind has the lampblack absorber of wind screen, it is characterized in that, comprise and be arranged on wind-guiding cavity (1) on front side of lampblack absorber and blower fan (2), wind-guiding cavity top is located at by described blower fan, wind-guiding cavity (1) lower end is provided with downward opening strip wind screen air outlet (4), and this wind screen air outlet extends along lampblack absorber leading flank lower limb;
Wind-guiding cavity (1) comprises the internal layer wind-guiding cavity (10) inside by lampblack absorber and leans on the outer wind-guiding cavity (9) outside lampblack absorber; The top of outer wind-guiding cavity is located at by described blower fan (2), and described wind screen air outlet (4) is located at the lower end of outer wind-guiding cavity; The upper end open of described internal layer wind-guiding cavity (10), the lower end of internal layer wind-guiding cavity is provided with downward opening strip inlet scoop (12), and this inlet scoop and wind shield air outlet is arranged side by side; Between described outer wind-guiding cavity and internal layer wind-guiding cavity, there is partition wall (11), and this partition wall is provided with the guiding air channel (13) being communicated with inside and outside layer wind-guiding cavity; Guiding air channel comprises the outer guiding air channel (15) near outer wind-guiding cavity (9) and the interior guiding air channel (16) near internal layer wind-guiding cavity (10); Described outer guiding air channel (15) is in extended obliquely, and interior guiding air channel (16) is extended obliquely, rounding off between inside and outside guiding air channel; Form the air dam (14) of inverted v-shaped between the upper downside near wind screen air outlet (4) of described outer guiding air channel (15) and outer wind guide chamber body sidewall, and the upper end of this air dam extends in outer wind-guiding cavity (9).
2. a kind of lampblack absorber with wind screen according to claim 1, is characterized in that, blower fan forms wind screen (3) blown from top to bottom in the front side of lampblack absorber, and this wind screen is tilted to downward-extension outside lampblack absorber.
3. a kind of lampblack absorber with wind screen according to claim 2, is characterized in that, the angle of described wind screen (3) and horizontal plane is between 81 degree to 50 degree.
4. a kind of lampblack absorber with wind screen according to claim 1, it is characterized in that, one deck dividing plate (5) is at least provided with outward by inside lampblack absorber in wind-guiding cavity (1) bottom, described wind screen air outlet (4) is separated at least two air outlets by inside lampblack absorber by this dividing plate outward, and shields passage (6) by forming at least twice wind inside lampblack absorber outward in wind-guiding cavity (1); Described wind screen passage forms at least two-layer wind screen (3) blown from top to bottom in the front side of lampblack absorber, described each layer wind screen is tilted to downward-extension outside lampblack absorber, and the wind speed of each layer wind screen and wind intensity reduce gradually toward interior outside lampblack absorber.
5. a kind of lampblack absorber with wind screen according to claim 4, is characterized in that, be provided with netted interlayer (7) in wind screen passage (6), and the quantity of netted interlayer in each wind screen passage (6) reduces outward gradually by inside lampblack absorber.
6. a kind of lampblack absorber with wind screen according to claim 4 or 5, it is characterized in that, each wind screen passage (6) is shielded air outlet (4) wind screen passage length up by wind and is reduced gradually outward by inside lampblack absorber, and the air-admitting surface on each wind screen passage (6) top increases outward gradually by inside lampblack absorber.
7. a kind of lampblack absorber with wind screen according to claim 4 or 5, is characterized in that, the inclination angle that each layer wind screen (3) is tilted outside lampblack absorber increases outward gradually by inside lampblack absorber.
8. a kind of lampblack absorber with wind screen according to claim 1, is characterized in that, the upper lateral wall outside lampblack absorber of outer wind-guiding cavity (9) being positioned at guiding air channel (13) top is parallel to each other with the madial wall inside lampblack absorber; The cross-sectional area being positioned at the outer wind-guiding cavity (9) of guiding air channel (13) below reduces from top to bottom gradually; The ratio L1/L2 of the spacing L1 between described air dam (14) upper end and the lateral wall being positioned at the outer wind-guiding cavity above air channel (13) of leading and the spacing L2 between the inside and outside sidewall being positioned at the outer wind-guiding cavity above air channel (13) of leading is between 1/4 to 3/5.
9. a kind of lampblack absorber with wind screen according to claim 1, it is characterized in that, the cross-sectional area being positioned at the internal layer wind-guiding cavity (10) of top, air channel (13) of leading increases from lower to upper gradually, increases gradually after being positioned at the cross-sectional area first reduction gradually from top to bottom of the internal layer wind-guiding cavity (10) of guiding air channel (13) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210333554.4A CN102889627B (en) | 2012-09-11 | 2012-09-11 | Range hood with air screen |
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| CN201210333554.4A CN102889627B (en) | 2012-09-11 | 2012-09-11 | Range hood with air screen |
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| CN102889627A CN102889627A (en) | 2013-01-23 |
| CN102889627B true CN102889627B (en) | 2015-01-07 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SG2012063723A (en) * | 2012-08-24 | 2014-03-28 | Kim Lui So | Apparatus for channelling cooking fumes |
| CN105485741A (en) * | 2015-12-25 | 2016-04-13 | 上海市建筑科学研究院(集团)有限公司 | High-air-exhaust-efficiency air curtain device used for kitchen ventilator |
| CN105783064B (en) * | 2016-03-14 | 2018-11-06 | 宁波方太厨具有限公司 | The method of range hood and suction oil smoke with absorption-asssisting equipment |
| CN107131559B (en) * | 2017-05-19 | 2023-06-06 | 珠海格力电器股份有限公司 | Air conditioner indoor unit, air conditioner and integrated kitchen appliance |
| CN108561918A (en) * | 2018-05-25 | 2018-09-21 | 青岛兴邦电子电器有限公司 | Lampblack absorber wind proscenia |
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| CN2797933Y (en) * | 2004-11-04 | 2006-07-19 | 高炎康 | Kitchen ventilator |
| CN2893491Y (en) * | 2006-03-14 | 2007-04-25 | 浙江朗迪集团股份有限公司 | Kitchen ventilator with air curtain device |
| CN200955796Y (en) * | 2006-09-22 | 2007-10-03 | 中山华帝燃具股份有限公司 | Health-care kitchen hood |
| KR20110003878A (en) * | 2009-07-06 | 2011-01-13 | (주)선일금속 | Exhaust apparatus |
| CN202902396U (en) * | 2012-09-11 | 2013-04-24 | 倪斌 | Novel range hood with wind shield |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102889627A (en) | 2013-01-23 |
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