CN202902396U - Novel range hood with wind shield - Google Patents

Novel range hood with wind shield Download PDF

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Publication number
CN202902396U
CN202902396U CN 201220461925 CN201220461925U CN202902396U CN 202902396 U CN202902396 U CN 202902396U CN 201220461925 CN201220461925 CN 201220461925 CN 201220461925 U CN201220461925 U CN 201220461925U CN 202902396 U CN202902396 U CN 202902396U
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wind
guiding
lampblack absorber
wind screen
guiding cavity
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CN 201220461925
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倪斌
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Abstract

The utility model discloses a novel range hood with a wind shield, and aims at providing the novel range hood with the wind shield, with the advantages that the problems of influence on the sight line of cooking personnel caused by overflowing oil smoke in the cooking process and the injury on the cooking personnel caused by the sputtered oil liquid are solved, and in addition, the problems of oil smoke thorough exhaust rate reduction and influence easily generated on flame of a cooking range after the wind shield formation can be effectively solved. The novel range hood comprises an air guide cavity and a fan, wherein the air guide cavity is arranged at the front side of the range hood, the fan is arranged at the upper part of the air guide cavity, the lower part of the air guide cavity is provided with a long stripped wind shield air outlet with a downward opening, in addition, the wind shield air outlet extends along the lower edge of the front side surface of the range hood, the fan forms the wind shield blowing from the upper side to the lower side at the front side of the range hood, and in addition, the wind shield slantways and downwards extends towards the outer side of the range hood.

Description

A kind of novel kitchen ventilator with wind screen
Technical field
The utility model relates to the lampblack absorber field, is specifically related to a kind of novel kitchen ventilator with wind screen.
Background technology
Lampblack absorber is a kind of kitchen appliance that purifies kitchen environment.It is installed in kitchen range top, is used for the harmful oil smoke that refuse and cooking process with the cooking stove burning produce and takes away, discharges outdoorly, and then minimizing Air Pollution in Kitchen purifies air.Because lampblack absorber is open design, it can not all siphon away all oil smoke; Cause the excessive oil smoke of part toward chest and the cephalad direction diffusion of cooker, affect the sight line of cooker; Especially the fluid that sputters in the oil cauldron in cooking process easily is ejected into chest and the head of cooker, to damaging of cooker.In order to improve the problems referred to above, some utility model people improve this, for example, China Patent Publication No. CN2811799, open day on August 30th, 2006, the name that utility model is created is called smoke exhaust ventilator, this application case discloses a kind of smoke exhaust ventilator, it is that Windscreen Fan is installed in casing of cooker hood, the wind that blower fan produces laterally blows out by the sweptback gap-shaped nozzle in the left and right sides, below, hood front, top, form air curtain, realize preventing the excessive diffusion of oil smoke with this, improve the most rate of taking out of oil smoke; But it has following deficiency: one, although this scheme forms air curtain by the left and right sides at the smoke exhaust ventilator lampblack absorber, prevent the excessive diffusion of oil smoke, improve the impact that oil smoke excessive in the cooking process produces the cooker sight line with this, but its fluid to sputtering in the cooking process, the problem that cooker is damaged is not resolved.Its two because present air curtain blows out outward by blower fan and form, so that the air of smoke exhaust ventilator below can flow along with air curtain, and that the direction that air curtain flows is aspirated the direction of oil smoke when working from smoke exhaust ventilator is different; This can be mobile and excessive in the kitchen along with air curtain with regard to the oil smoke that has caused part in the cooking process, is difficult to be siphoned away by smoke exhaust ventilator, reduces the most rate of taking out of oil smoke.This problem also is after the air curtain of present smoke exhaust ventilator forms, and fails to obtain the problem of fine solution always.Its three because present air curtain blows out outward by blower fan and form, this is so that after air curtain formed, air curtain easily exerted an influence to the flame of cooking stove in the cooking process.
The utility model content
The first purpose of the present utility model is can not timely oil smoke be siphoned away in order to overcome existing lampblack absorber, cause oil smoke excessive in the cooking process that the sight line of cooker is exerted an influence, and the fluid that sputters problem that cooker is damaged, provide a kind of and can effectively solve oil smoke excessive in the cooking process sight line of cooker is exerted an influence, and the novel kitchen ventilator with wind screen of the fluid that sputters problem that cooker is damaged.
The second purpose of the present utility model is in order to overcome existing lampblack absorber with wind screen after air curtain forms, not only so that the part oil smoke can be mobile and excessive along with air curtain, to reduce the most rate of taking out of oil smoke; And the problem that easily flame of cooking stove in the cooking process exerted an influence of air curtain; Provide a kind of novel kitchen ventilator with wind screen not only can Effective Raise wind screen to the barriering effect of the fluid that sputters, and can effectively improve air curtain and form and easily the flame of cooking stove is exerted an influence and reduce the problem that oil smoke is taken out most rate afterwards.
The technical solution of the utility model is:
A kind of novel kitchen ventilator with wind screen, comprise the wind-guiding cavity and the blower fan that are arranged on the lampblack absorber front side, described blower fan is located at wind-guiding cavity top, 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 forms the wind screen that blows from top to bottom by in the lampblack absorber front side blower fan being set in the front side of lampblack absorber, can prevent effectively that so not only excessive oil smoke to chest and the cephalad direction diffusion of cooker, making cooker can have good sight line; And can effectively intercept in the cooking process, the fluid that sputters in the oil cauldron is ejected into chest and the head of cooker, avoids damaging cooker.
As preferably, blower fan forms the wind screen that blows from top to bottom in the front side of lampblack absorber, and this wind screen is tilted to downward-extension toward the lampblack absorber outside.Because the wind that forms screen is tilted to downward-extension toward the smoke exhaust ventilator outside, can in the fluid that intercepts excessive oil smoke and sputter, guarantee that the wind screen can not exert an influence to the flame of cooking stove like this.
As preferably, the angle of wind screen and horizontal plane is between 80 degree are spent to 51.Can in the fluid that intercepts excessive oil smoke and sputter, guarantee that the wind screen can not exert an influence to the flame of cooking stove like this.
As preferably, at least be provided with outward one deck dividing plate by the lampblack absorber inboard in the wind-guiding cavity bottom, this dividing plate is separated at least two air outlets with described wind screen air outlet outward by the lampblack absorber inboard, and forms outward at least twice wind screen passage by the lampblack absorber inboard in the wind-guiding cavity; Described wind screen passage is at the two-layer at least wind screen that blows from top to bottom of the front side of lampblack absorber formation, and described each layer wind screen is tilted to downward-extension toward the lampblack absorber outside, and wind speed and wind-force intensity that each layer wind shields are reduced toward interior gradually by the lampblack absorber outside.
Because this programme forms the two-layer at least wind screen that blows from top to bottom in the front side of lampblack absorber, can Effective Raise wind screen to the barriering effect of the fluid that sputters.The more important thing is because each layer wind screen is tilted to downward-extension toward the lampblack absorber outside, and wind speed and wind-force intensity that each layer wind shields are reduced toward interior gradually by the lampblack absorber outside; That is to say that wind speed and the wind-force intensity of shielding the closer to the wind of lampblack absorber inboard all the more relax, in the process of lampblack absorber suction oil smoke, just be not easy to be subject to like this impact of wind screen, can effectively improve air curtain and form the rear problem of taking out most rate that reduces oil smoke because of the air curtain impact; On the other hand, wind speed and the wind-force intensity of shielding owing to the wind the closer to lampblack absorber inboard, the lampblack absorber outside are stronger, can guarantee like this barriering effect to the fluid that sputters in the cooking process.In addition, because wind screen is tilted to downward-extension toward the lampblack absorber outside, and all the more relax the closer to wind speed and the wind-force intensity of the wind screen of lampblack absorber inboard, can guarantee further that like this wind screen can not exert an influence to the flame of cooking stove.
As preferably, each layer wind screen is increased by the lampblack absorber inboard outward gradually toward the inclination angle that the lampblack absorber outside tilts.Because each layer wind screen is different toward the inclination angle that the lampblack absorber outside tilts, and larger toward the inclination angle that the lampblack absorber outside tilts the closer to the wind screen in the lampblack absorber outside; Like this can be so that the interval between the adjacent two layers wind screen increase along with the extension of wind screen, further improve the wind screen to the barriering effect of the fluid that sputters.
As preferably, be provided with netted interlayer in the wind screen passage, and the quantity of the netted interlayer in each wind screen passage is reduced gradually outward by the lampblack absorber inboard.By being provided with netted interlayer in wind screen passage, and the quantity of the netted interlayer in each wind screen passage reduces outward gradually by the lampblack absorber inboard, realizes that the wind speed of each layer wind screen and wind-force intensity are reduced toward interior gradually by the lampblack absorber outside.
As preferably, each wind screen passage is reduced by the lampblack absorber inboard outward gradually by wind screen air outlet wind screen passage length up, and the air-admitting surface on each wind screen passage top is increased outward gradually by the lampblack absorber inboard.Because each wind screen passage is reduced by the lampblack absorber inboard outward gradually by wind screen air outlet wind screen passage length up, and air-admitting surface corresponding to each wind screen passage increased outward gradually by the lampblack absorber inboard; Realize that with this wind speed of each layer wind screen and wind-force intensity are reduced toward interior gradually by the lampblack absorber outside.
As preferably, the wind-guiding cavity comprises by the internal layer wind-guiding cavity of lampblack absorber inboard and by the outer wind-guiding cavity in the lampblack absorber outside; Described blower fan is located at the top of outer wind-guiding cavity, 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 screen air outlet is arranged side by side; Has partition wall between described outer wind-guiding cavity and the internal layer wind-guiding cavity, and this partition wall is provided with in the connection, the guiding air channel of outer wind-guiding cavity, the guiding air channel comprises near the outer guiding air channel of outer wind-guiding cavity and the interior guiding air channel of close internal layer wind-guiding cavity, described outer guiding air channel is oblique downward-extension, interior guiding air channel is obliquely extends, in, rounding off between the outer guiding air channel, form the air dam of inverted v-shaped on the described outer guiding air channel between the downside of close wind screen air outlet and the outer wind guide chamber body sidewall, and the upper end of this air dam extends in the outer wind-guiding cavity.
The blower fan of this programme is when work, and not only the wind screen air outlet by outer wind-guiding cavity lower end forms the wind screen that blows from top to bottom in the front side of lampblack absorber; And under the effect of the air dam of V font, part wind in the outer wind-guiding cavity is imported in the internal layer wind-guiding cavity by the guiding air channel, and in internal layer wind-guiding cavity, form the wind that blows from lower to upper, and then form the wind screen of inhaling from lower to upper together at place, strip inlet scoop.The wind screen that forms owing to place, strip inlet scoop is positioned at the inboard that wind shields the wind screen of air outlet formation, and the wind screen that place, strip inlet scoop forms is the wind screen of inhaling from lower to upper, so not only can eliminate the wind screen that blows from top to bottom at wind screen air outlet place to the impact of oil smoke, the oil smoke that effectively solves part in the cooking process can shield mobile and excessive in the kitchen along with wind, 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 the wind screen that blows from top to bottom at wind screen air outlet place the flame to cooking stove is exerted an influence.In addition, the wind of inhaling the from lower to upper screen that place, strip inlet scoop forms can also improve the suction effect that smoke pumping at the suction oil smoke is.
As preferably, be positioned on the outer wind-guiding cavity of top, guiding air channel near the lateral wall in the lampblack absorber outside and madial wall near the lampblack absorber inboard and be parallel to each other; The cross-sectional area that is positioned at the outer wind-guiding cavity of below, guiding air channel reduces from top to bottom gradually; The ratio L1/L2 of described air dam upper end and the spacing L2 between the inside and outside sidewall of the outer wind-guiding cavity above the spacing L1 between the lateral wall of the outer wind-guiding cavity above the guiding air channel and the air channel of leading is between 1/4 to 3/5.The air dam of this programme can when guaranteeing that wind screen air outlet place forms the wind screen that blows from top to bottom, form the wind of inhaling the from lower to upper screen of some strength at place, strip inlet scoop.Can according to concrete needs, regulate the ratio of L1/L2 and regulate the intensity that the wind of inhaling the from lower to upper screen of formation is located in the strip inlet scoop during specific design.In addition, owing to being parallel to each other near the lateral wall in the lampblack absorber outside and the madial wall of close lampblack absorber inboard on the outer wind-guiding cavity that is positioned at the top, air channel of leading, can form to the wind that blower fan blows out preferably guide effect; And the cross-sectional area that is positioned at the outer wind-guiding cavity of below, guiding air channel reduces from top to bottom gradually, is conducive to stable, the dense wind screen that forms at screen air outlet place.
As preferably, the cross-sectional area that is positioned at the internal layer wind-guiding cavity of top, guiding air channel increases from lower to upper gradually, increases gradually after the cross-sectional area that is positioned at the internal layer wind-guiding cavity of below, guiding air channel reduces first from top to bottom gradually.Increase gradually from lower to upper owing to being positioned at the cross-sectional area of the internal layer wind-guiding cavity of top, guiding air channel, the wind that is conducive to like this import in the internal layer wind-guiding cavity blows out from lower to upper; After the wind of the internal layer wind-guiding cavity that is positioned at top, guiding air channel goes out, increase gradually after the cross-sectional area of the internal layer wind-guiding cavity of below, guiding air channel reduces first from top to bottom gradually owing to being positioned at, be conducive to like this form negative pressure in the internal layer wind-guiding cavity below the guiding air channel, and then form the wind screen of inhaling from lower to upper together at place, strip inlet scoop.
The beneficial effects of the utility model are:
One can effectively solve oil smoke excessive in the cooking process sight line of cooker is exerted an influence, and the fluid that sputters problem that cooker is damaged.
Its two, can effectively improve air curtain and form and easily the flame of cooking stove is exerted an influence and reduce the problem that oil smoke is taken out most rate afterwards.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model embodiment 1.
Fig. 2 is the partial enlarged drawing at A place among Fig. 1.
Fig. 3 is a kind of structural representation of the utility model embodiment 2.
Fig. 4 is the partial enlarged drawing at B place among Fig. 3.
Among the 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.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment the utility model is described in further detail:
Embodiment 1, and as shown in Figure 1 and Figure 2, a kind of novel kitchen ventilator with wind screen comprises the wind-guiding cavity 1 and the blower fan 2 that are arranged on the lampblack absorber front side.Blower fan 2 is located at wind-guiding cavity 1 top.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.
Be provided with outward two-layer dividing plate 5 by the lampblack absorber inboard in wind-guiding cavity 1 bottom.This dividing plate 5 shields air outlet 4 with wind and is separated into outward three air outlets by the lampblack absorber inboard, and forms outward three road wind screen passages 6 by the lampblack absorber inboard in wind-guiding cavity 1.Each wind screen passage 6 is tilted to downward-extension toward the lampblack absorber outside, and each wind screen passage 6 is increased by the lampblack absorber inboard outward gradually toward the inclination angle that the lampblack absorber outside tilts.Be provided with netted interlayer 7 in the wind screen passage 6, and the quantity of the netted interlayer in each wind screen passage 6 is reduced gradually outward by the lampblack absorber inboard; Be specifically, up be provided with side by side three-layer network shape interlayer 7 by wind screen air outlet in the wind screen passage 6 by the lampblack absorber inboard, the wind screen passage 6 that is positioned at the middle part up is provided with two-layer netted interlayer 7 side by side by wind screen air outlet.Each wind screen passage 6 is reduced by the lampblack absorber inboard outward gradually by wind screen air outlet wind screen passage length up.The air-admitting surface on each wind screen passage 6 top is increased outward gradually by the lampblack absorber inboard, and namely the upper port area of each wind screen passage 6 is increased outward gradually by the lampblack absorber inboard.Each wind screen passage 6 is reduced gradually by wind screen air outlet cross-sectional area up, is specifically, and the left and right sides of each wind screen passage 6 are parallel to each other, and inside and outside side is the inclined plane, and wind screen passage 6 is reduced gradually by wind screen air outlet cross-sectional area up.Air outlet place by the screen of the wind outside lampblack absorber passage 6 is provided with rotating guide vane 8.
Blower fan 2 forms three layers of wind screen 3 that blows from top to bottom by above-mentioned wind screen passage 6 in the front side of lampblack absorber.The wind speed of each layer wind screen 3 and wind-force intensity are reduced toward interior gradually by the lampblack absorber outside.Each layer wind screen 3 is tilted to downward-extension toward the lampblack absorber outside, and each layer wind screen 3 is increased by the lampblack absorber inboard outward gradually toward the inclination angle that the lampblack absorber outside tilts, be specifically, leaning on one deck wind screen 3 of lampblack absorber inboard and the angle of horizontal plane is 82 degree, being positioned at one deck wind screen 3 at middle part and the angle of horizontal plane is 69 degree, is 56 degree by one deck wind screen 3 in the lampblack absorber outside and the angle of horizontal plane.The wind speed of each layer wind screen and wind-force intensity are reduced toward interior gradually by the lampblack absorber outside.
The present embodiment forms three layers of wind screen 3 that blows from top to bottom by blower fan 2 and wind screen passage 6 in the lampblack absorber front side, each layer wind screen 3 is tilted to downward-extension toward the lampblack absorbers outside, and the wind speed of each layer wind screen 3 and wind-force intensity are reduced toward interior gradually by the lampblack absorber outside; The fluid that so not only effectively sputters in isolating oil soot and the oil cauldron; And in the process of lampblack absorber suction oil smoke, be not easy to be subject to the impact that wind shields, can effectively improve air curtain and form the rear problem of taking out most rate that reduces oil smoke because of the air curtain impact; Can guarantee simultaneously that the wind screen can not exert an influence to the flame of cooking stove.
Embodiment 2, and as shown in Figure 3, Figure 4, a kind of novel kitchen ventilator with wind screen comprises the wind-guiding cavity 1 and the blower fan 2 that are arranged on the lampblack absorber front side.Wind-guiding cavity 1 comprises by the internal layer wind-guiding cavity 10 of lampblack absorber inboard and by the outer wind-guiding cavity 9 outside the lampblack absorber.Has partition wall 11 between outer wind-guiding cavity and the internal layer wind-guiding cavity.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 is arranged side by side with wind screen air outlet 4.Outer wind-guiding cavity 9 is provided with the guiding air channel 13 that is communicated with inside and outside layer of wind-guiding cavity with partition wall 11 between the internal layer wind-guiding cavity 10, and this guiding air channel is positioned at wind-guiding cavity bottom.Guiding air channel 13 comprises near the outer guiding air channel 15 of outer wind-guiding cavity 9 and the interior guiding air channel 16 of close internal layer wind-guiding cavity 10.Outer guiding air channel 15 is oblique downward-extension setting, and interior guiding air channel 16 is extends setting, rounding off between the inside and outside guiding air channel obliquely.
The left and right sides of internal layer wind-guiding cavity 10 are parallel to each other.The cross-sectional area that is positioned at the internal layer wind-guiding cavity 10 of guiding 13 tops, air channel increases from lower to upper gradually.After reducing first from top to bottom gradually, the cross-sectional area that is positioned at the internal layer wind-guiding cavity 10 of guiding 13 belows, air channel increases gradually.Form the air dam 14 of inverted v-shaped on the outer guiding air channel 15 between the sidewall of the downside of close wind screen air outlet 4 and outer wind-guiding cavity 9.The upper end of this air dam 14 extends in the outer wind-guiding cavity 9.Be positioned on the outer wind-guiding cavity 9 of guiding 16 tops, air channel near the lateral wall in the lampblack absorber outside and madial wall near the lampblack absorber inboard and be parallel to each other; The ratio L1/L2 of the upper end of air dam 14 and the spacing L2 between the inside and outside sidewall of the outer wind-guiding cavity 9 above the spacing L1 between the lateral wall of the outer wind-guiding cavity 9 above the guiding air channel 13 and the air channel 13 of leading is 3/8.
Blower fan 2 is located at the top of outer wind-guiding cavity 9.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 that is positioned at the outer wind-guiding cavity 9 of guiding 13 belows, air channel reduces from top to bottom gradually.Outer wind-guiding cavity is provided with two-layer dividing plate 5 outward by the lampblack absorber inboard in 9 bottoms, is specifically, and the outer wind-guiding cavity 9 that is positioned at guiding 13 belows, air channel is provided with two-layer dividing plate 5 outward by the lampblack absorber inboard.This dividing plate 5 shields air outlet 4 with wind and is separated into outward three air outlets by the lampblack absorber inboard, and forms outward three road wind screen passages by the lampblack absorber inboard in outer wind guide chamber body.All the other structures of the present embodiment are with reference to embodiment 1.
The blower fan 2 of the present embodiment is when work, and not only the wind screen passage by outer wind-guiding cavity 9 bottoms forms three layers of wind screen 3 that blows from top to bottom in the lampblack absorber front side; And under the effect of the air dam 14 of V font, the part wind in the outer wind-guiding cavity 9 can be imported in the 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 oblique downward-extension setting, the interior guiding air channel 16 of close internal layer wind-guiding cavity 10 is extends setting obliquely; Thereby also will be at the wind that blows from lower to upper in the 10 interior formation of internal layer wind-guiding cavity when blower fan 2 work, and then form the wind screen of inhaling from lower to upper together at 12 places, strip inlet scoop.The wind of inhaling the from lower to upper screen that 12 places, strip inlet scoop form, in the time of not only can effectively eliminating lampblack absorber suction oil smoke, the wind that blows the from top to bottom screen that wind screen air outlet 4 places form is on the impact of oil smoke, the oil smoke that effectively solves part in the cooking process can shield mobile and excessive in the kitchen along with wind, 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 the impact of the wind that blows from top to bottom screen on cooking stove flame is produced that wind screen air outlet 4 places form.

Claims (10)

1. one kind has the novel kitchen ventilator that wind shields, it is characterized in that, comprise the wind-guiding cavity (1) and the blower fan (2) that are arranged on the lampblack absorber front side, described blower fan is located at wind-guiding cavity top, 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.
2. a kind of novel kitchen ventilator with wind screen according to claim 1 is characterized in that, blower fan forms the wind screen (3) that blows from top to bottom in the front side of lampblack absorber, and this wind screen is tilted to downward-extension toward the lampblack absorber outside.
3. a kind of novel kitchen ventilator with wind screen according to claim 2 is characterized in that, the angle of described wind screen (3) and horizontal plane is between 80 degree are spent to 51.
4. a kind of novel kitchen ventilator with wind screen according to claim 1, it is characterized in that, wind-guiding cavity (1) is provided with one deck dividing plate (5) outward at least by the lampblack absorber inboard in the bottom, this dividing plate is separated at least two air outlets with described wind screen air outlet (4) outward by the lampblack absorber inboard, and forms outward at least twice wind screen passage (6) by the lampblack absorber inboard in wind-guiding cavity (1); Described wind screen passage is at the two-layer at least wind screen (3) that blows from top to bottom of the front side of lampblack absorber formation, and described each layer wind screen is tilted to downward-extension toward the lampblack absorber outside, and wind speed and wind-force intensity that each layer wind shields are reduced toward interior gradually by the lampblack absorber outside.
5. a kind of novel kitchen ventilator with wind screen according to claim 4 is characterized in that, each layer wind screen (3) is increased by the lampblack absorber inboard outward gradually toward the inclination angle that the lampblack absorber outside tilts.
6. according to claim 4 or 5 described a kind of novel kitchen ventilators with wind screen, it is characterized in that, be provided with netted interlayer (7) in the wind screen passage (6), and the quantity of the netted interlayer in each wind screen passage (6) is reduced gradually outward by the lampblack absorber inboard.
7. according to claim 4 or 5 described a kind of novel kitchen ventilators with wind screen, it is characterized in that, each wind screen passage (6) is reduced by the lampblack absorber inboard outward gradually by wind screen air outlet (4) wind screen passage length up, and the air-admitting surface on each wind screen passage (6) top is increased outward gradually by the lampblack absorber inboard.
8. according to claim 1 and 2 or 3 or 4 or 5 described a kind of novel kitchen ventilators with wind screen, it is characterized in that, wind-guiding cavity (1) comprises by the internal layer wind-guiding cavity (10) of lampblack absorber inboard and by the outer wind-guiding cavity (9) in the lampblack absorber outside; Described blower fan (2) is located at the top of outer wind-guiding cavity, 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 screen air outlet is arranged side by side; Have partition wall (11) between described outer wind-guiding cavity and the internal layer wind-guiding cavity, and this partition wall is provided with the guiding air channel (13) that is communicated with inside and outside layer wind-guiding cavity; The guiding air channel comprises near the outer guiding air channel (15) of outer wind-guiding cavity (9) and the interior guiding air channel (16) of close internal layer wind-guiding cavity (10); Described outer guiding air channel (15) is oblique downward-extension setting, and interior guiding air channel (16) is extends setting, rounding off between the inside and outside guiding air channel obliquely; Form the air dam (14) of inverted v-shaped between the downside of the upper close wind screen air outlet in described outer guiding air channel (15) (4) and the outer wind guide chamber body sidewall, and the upper end of this air dam extends in the outer wind-guiding cavity (9).
9. a kind of novel kitchen ventilator with wind screen according to claim 8 is characterized in that, is positioned at that the outer wind-guiding cavity (9) of top, guiding air channel (13) is upper to be parallel to each other near the lateral wall in the lampblack absorber outside and madial wall near the lampblack absorber inboard; The cross-sectional area that is positioned at the outer wind-guiding cavity (9) of below, guiding air channel (13) reduces from top to bottom gradually; The ratio L1/L2 of spacing L2 between spacing L1 between the lateral wall of described air dam (14) upper end and the outer wind-guiding cavity that is positioned at top, guiding air channel (13) and the inside and outside sidewall that is positioned at the outer wind-guiding cavity above the air channel (13) of leading is between 1/4 to 3/5.
10. a kind of novel kitchen ventilator with wind screen according to claim 8, it is characterized in that, the cross-sectional area that is positioned at the internal layer wind-guiding cavity (10) of top, guiding air channel (13) increases from lower to upper gradually, increases gradually after the cross-sectional area that is positioned at the internal layer wind-guiding cavity (10) of below, guiding air channel (13) reduces first from top to bottom gradually.
CN 201220461925 2012-09-11 2012-09-11 Novel range hood with wind shield Expired - Lifetime CN202902396U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102889627A (en) * 2012-09-11 2013-01-23 倪斌 Range hood with air screen
CN103383116A (en) * 2013-05-19 2013-11-06 关云龙 Range hood with jet wind shield protective panel
CN108488855A (en) * 2018-03-20 2018-09-04 李秀荣 A kind of internet intelligent smoke exhaust ventilator
CN110631068A (en) * 2018-06-25 2019-12-31 青岛海尔智慧厨房电器有限公司 Air curtain kitchen range

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102889627A (en) * 2012-09-11 2013-01-23 倪斌 Range hood with air screen
CN102889627B (en) * 2012-09-11 2015-01-07 倪斌 Range hood with air screen
CN103383116A (en) * 2013-05-19 2013-11-06 关云龙 Range hood with jet wind shield protective panel
CN108488855A (en) * 2018-03-20 2018-09-04 李秀荣 A kind of internet intelligent smoke exhaust ventilator
CN110631068A (en) * 2018-06-25 2019-12-31 青岛海尔智慧厨房电器有限公司 Air curtain kitchen range

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