CN107191987A - There is the side extraction cooking fume extractor of the oil network for the oil network of range hood and application - Google Patents
There is the side extraction cooking fume extractor of the oil network for the oil network of range hood and application Download PDFInfo
- Publication number
- CN107191987A CN107191987A CN201710057672.XA CN201710057672A CN107191987A CN 107191987 A CN107191987 A CN 107191987A CN 201710057672 A CN201710057672 A CN 201710057672A CN 107191987 A CN107191987 A CN 107191987A
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- CN
- China
- Prior art keywords
- flange
- frame
- air vent
- air
- oil network
- 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.)
- Granted
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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
-
- 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
- F24C15/2035—Arrangement or mounting of filters
Abstract
The invention discloses a kind of oil network for range hood, including frame and the air vent being opened in frame, width of each air vent along frame is set, and each air vent arranged for interval side by side on the length direction of frame, the frame has first end and the second end in the longitudinal direction, it is characterised in that：The air vent includes at least two first air vents and at least two second air vents, and each first air vent is arranged between the centre of frame and first end, and from the centre of frame to first end, the incoming air area of single first air vent gradually increases；Each second air vent is arranged between the centre of frame and the second end, and from the centre of frame to the second end, the incoming air area of single second air vent gradually increases.By causing the incoming air area of oil network gradually to increase from centre to both sides, it have adjusted negative pressure before oil network and be distributed so that negative pressure extends to two ends, so as to improve smoke absorption effect.
Description
Technical field
There is the side extraction cooking fume extractor of the oil network the present invention relates to a kind of oil network, and a kind of application.
Background technology
With the improvement of living standard, the raising to quality of the life requirement, range hood is cooked as exhaustion in family kitchen
The important electrical equipment of oil smoke produced by timing, and be widely used in each family.The subject matter that presently, there are is,
Range hood work when, substantial amounts of greasy dirt is easily accumulated in air channel by the oil smoke in air channel, due to formation greasy dirt viscosity compared with
Greatly, it is difficult to be discharged from the air outlet in air channel, corrosion of the greasy dirt to pipeline is caused, the service life of range hood is reduced, simultaneously
Improve the operation and maintenance cost of range hood, and another part is then directly outer arranges, in oil smoke containing a large amount of carcinogenic substances and
The material that particle is more than pm2.5 produces considerable influence to environment.
In order to solve this problem, conventional way is the air inlet setting oil network in range hood, such as application number at present
A kind of side-absorption type smoke exhaust ventilator disclosed in 201520140308.6 Chinese patent, it includes smoke deflector, smoke collecting chamber and at least
Two layers of screen pack, screen pack is removably in smoke collecting chamber, and screen pack is located at the rear side of smoke deflector and and smoke deflector
Parallel, screen pack is provided with the air vent on multiple air vents, adjacent two layers screen pack to be staggered, the week of each air vent
Edge forming has flange, and all flange are towards the rear side of smoke collecting chamber, it can be ensured that oil droplet will not directly drip stove after oil smoke separation
Face.Because oil network is uniformly distributed so that most of air-flow passes through from the middle part of air inlet, and middle part negative pressure is larger, and both sides
Negative pressure is relatively low；And kitchen range are often distributed in the underface of oil network both sides, the oil smoke of generation is unfavorable for oil in the relatively low region of negative pressure
The absorption of cigarette.
The content of the invention
First technical problem to be solved by this invention is carried in view of the above-mentioned problems of the prior art, providing one kind
The oil network for range hood of high oil absorption cigarette effect.
Second technical problem to be solved by this invention is to provide the side-suction type fume-exhausting that a kind of application has above-mentioned oil network
Machine.
The present invention solve technical scheme that above-mentioned first technical problem used for：A kind of oil for range hood
Net, including frame and the air vent being opened in frame, width of each air vent along frame is set, and each air vent
The arranged for interval side by side on the length direction of frame, the frame has first end and the second end in the longitudinal direction, and it is special
Levy and be：The air vent includes at least two first air vents and at least two second air vents, each the first air vent cloth
Put between the centre of frame and first end, and from the centre of frame to first end, the incoming air area of single first air vent
Gradually increase；Each second air vent is arranged between the centre of frame and the second end, and from the centre of frame to the second end,
The incoming air area of single second air vent gradually increases.
According to currently preferred, incoming air area is adjusted by the change width of air vent, from the centre of frame to
One end, the width a1 of single first air vent gradually increases；From the centre of frame to the second end, the width of single second air vent
A2 gradually increases.
It is preferred that, described a1, a2 span are 8mm~20mm, are ensureing the feelings of the overall incoming air area of identical
Under condition, the incoming air area of oil network center section is reduced so that noise is concentrated, i.e., the noise of oil network center section is spread out of from front
Chance reduce, so as to play Noise Reduction.
It is preferred that, during to cause cooking fume stream by air vent, the flow field between oil network and blower fan is arranged, each first leads to
Both sides of the air holes on frame length direction, to the frame back side extend the first flange and the second flange respectively, described first turns over
Side is located at side of first air vent in the middle of frame, and second flange is located at the first air vent away from another in the middle of frame
Second flange of side, first flange and adjacent first air vent is connected in frame front；Each second air vent is on side
Both sides on frame length direction, to the frame back side extend the 3rd flange and the 4th flange respectively, the 3rd flange is located at the
Side of two air vents in the middle of frame, the 4th flange is located at the second air vent away from the opposite side in the middle of frame, institute
State the 3rd flange with the 4th flange of adjacent second air vent in frame front to be connected, positioned at middle the first adjacent air vent
The first flange and the second air vent the 3rd flange frame front be connected；The first flange and second of each first air vent
Spacing of the flange between the end at the frame back side is the width a1 of first air vent；The 3rd of each second air vent turns over
The spacing of side and the 4th flange between the end at the frame back side is the width a2 of second air vent.
During to cause cooking fume stream by air vent, oil smoke is oriented to the air inlet of blower fan with certain prewhirl angle, reduces whirlpool
The formation of stream, improves the air intake of blower fan, so as to be conducive to the absorption of oil smoke, and second flange is towards same first air vent
First flange gradually tilts extension, and the 3rd flange of the 4th flange towards same second air vent gradually tilts extension.
It is preferred that second flange and the 4th flange be respectively formed tilt angle alpha with respect to plane where frame, tilt angle alpha
Span be 30 °~60 °, angle of inclination is too small, then area of passage is too small and influence fan performance, and angle of inclination is excessive,
The effect of being directly directed to can not be played.
It is preferred that, the height of second flange and the 4th flange is c, and height c span is 5mm~12mm,
The height of two flange enough, can just play effective guide effect, and otherwise guide effect is not enough, and excessive then sheet metal mould one
Secondary shaping can not be realized.
It is preferred that, the second flange of the first flange of each first air vent and the first adjacent air vent is at the frame back side
End between spacing be d1, the back of the body of the 4th flange of the 3rd flange of each second air vent and the second adjacent air vent
Spacing between the end of face is d2, and described d1, d2 span are 10mm~15mm, the width of above-mentioned spacing and air vent
The draught area of joint effect oil network, at the same also influence oil network outward appearance, the scope can ensure more rational draught area and
It is preferably attractive in appearance.
The present invention solve technical scheme that above-mentioned second technical problem used for：A kind of application has upper described oil network
Side extraction cooking fume extractor, including exhaust fume collecting hood, fan shroud and blower fan, the exhaust fume collecting hood is arranged on the lower section of fan shroud, the wind
Machine is arranged in fan shroud and part is located at exhaust fume collecting hood dorsal part, and the oil network is arranged on the front of the exhaust fume collecting hood.
It is preferred that, the blower fan has air inlet, a diameter of D of the air inlet, the air inlet and oil network of the blower fan
Center between spacing be S, above-mentioned parameter meets following relation：0.25D ＜ S, thus avoid oil network too close to blower fan
Air inlet, has a strong impact on blower fan air inlet, causes fan performance to decline, and ensures a certain distance, then can make the centre of oil network
Influence of the part to blower fan air inlet is smaller.
Compared with prior art, the advantage of the invention is that：By cause the incoming air area of oil network from centre to both sides by
It is cumulative big, it have adjusted negative pressure before oil network and be distributed so that negative pressure extends to two ends, so as to improve smoke absorption effect；In addition, ensureing
In the case of identical entirety incoming air area, the incoming air area of oil network center section is reduced so that noise is concentrated, i.e., in oil network
Between part noise from front outflow chance reduce, so as to play Noise Reduction.
Brief description of the drawings
Fig. 1 is the structural representation of the range hood of the present invention；
Fig. 2 is the side sectional view of the range hood of the present invention；
Fig. 3 for Fig. 2 range hood A-A to sectional view；
Fig. 4 is the front schematic view of the oil network of the range hood of the present invention；
Fig. 5 is the schematic rear view of the oil network of the range hood of the present invention；
Fig. 6 is the oil network and the sectional view of air inlet of the range hood of the present invention；
Fig. 7 is the close-up schematic view of the sectional view of Fig. 6 oil network.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Referring to Fig. 1~Fig. 5, a kind of side extraction cooking fume extractor, including exhaust fume collecting hood 1, fan shroud 2 and blower fan 3, exhaust fume collecting hood 1 is pacified
Mounted in the lower section of fan shroud 2, blower fan 3 is arranged in fan shroud 2 and part is located at the dorsal part of exhaust fume collecting hood 1.
The front of exhaust fume collecting hood 1 is provided with panel, including top panel 41 and lower panel 42, between top panel 41 and lower panel 42
Oil network 5 is provided with, blower fan 3 has air inlet 31 towards the side of oil network 5.The top of oil network 5 is provided with rotatable smoke barrier 6.
Range hood is under open state, and smoke barrier 6 is flipped up and exposes oil network 5, in the power-offstate, and smoke barrier 6 is then turned over downwards
Then cover oil network 5.
The center of oil network 5 is corresponding with the center of the air inlet 31 of blower fan 3, and oil network 5 includes frame 51 and is opened in frame 51
Interior air vent, the tabular that frame 51 can be elongated, the surrounding of frame 51 has towards the back side of frame 51 (towards blower fan 3
Air inlet 31 one side) extension flanging 513, flanging 513 be used for oil network 5 is fixed with exhaust fume collecting hood 1.Air vent is in oval
Shape, its length direction is vertical with the length direction of frame 51, i.e., width extension of each air vent along frame 51, and
On the length direction of frame 51, each air vent arranged for interval side by side.
Frame 51 has the end 512 of first end 511 and second in the longitudinal direction.Air vent includes at least two first ventilations
The air vent 522 of hole 521 and at least two second, the first air vent 521 is arranged in the middle of frame 51 between first end 511, and
Second air vent 522 is then arranged in the middle of frame 51 between the second end 512.In the present embodiment, referring to Fig. 1 and Fig. 3, first
Air vent 521 is located at left side, and the second air vent 522 is located at right side.
Referring to Fig. 6 and Fig. 7, the width of the first air vent 521 is a1, and the width a1 of the first air vent 521 is from frame 51
Between gradually increase to first end 511；The width of second air vent 522 is a2, and the width a2 of the second air vent 522 is from frame 51
Between gradually increase to the second end 512.A1 and a2 span is preferably 8mm~20mm.It is preferred that, a1 and a2 are therefrom
Between to the uniform increase in side.That is, the incoming air area of oil network 5 gradually increases from center section to two ends, oil network 5 have adjusted
Preceding negative pressure distribution so that negative pressure extends to two ends, so as to improve smoke absorption effect.In addition, ensureing the overall air intake surface of identical
In the case of product, reduce the incoming air area of the center section of oil network 5 so that noise concentrate, i.e., the noise of the center section of oil network 5 from
The chance of front outflow is reduced, so as to play Noise Reduction.
Both sides of first air vent 521 on the length direction of frame 51, distinguish rearwardly (back side of frame 51, frame 51
One side away from air inlet 31 is front) extend the first flange 5211 and the second flange 5212, i.e., two flange direction is entered
Air port 31 extends.Wherein the first flange 5211 is respectively positioned on side of first air vent 521 in the middle of frame 51, and the second flange
5212 are respectively positioned on the first air vent 521 away from the opposite side in the middle of frame 51.First flange 5211 is convexly curved extension, the arc
Direction of the shape in the middle of away from frame 51 is prominent, and the second flange 5212 is then to the first flange of same first air vent 521
5211 gradually tilt extension, i.e. the second flange 5212 towards in the middle of oil network 5, the direction of air inlet 31 of blower fan 3 tilts.First flange
5211 are connected with the second flange 5212 of the first adjacent air vent 521 in the front of frame 51, it is preferred that can be integral, each
Spacing of the first flange 5211 and the second flange 5212 of first air vent 521 between the end at the back side of frame 51 is first
The width a1 of air vent 521.
Both sides of second air vent 522 on the length direction of frame 51, distinguish rearwardly (back side of frame 51, frame 51
One side away from air inlet 31 is front) extend the flange of the 3rd flange 5221 and the 4th flange 5222, i.e., two towards entering
Air port 31 extends.Wherein the 3rd flange 5221 is respectively positioned on side of second air vent 522 in the middle of frame 51, and the 4th flange
5222 are respectively positioned on the second air vent 522 away from the opposite side in the middle of frame 51.3rd flange 5221 is convexly curved extension, the arc
Direction of the shape in the middle of away from frame 51 is prominent, and the 4th flange 5222 is then to the 3rd flange of same second air vent 522
5221 gradually tilt extension, i.e. the 4th flange 5222 towards in the middle of oil network 5, the direction of air inlet 31 of blower fan 3 tilts.3rd flange
5221 are connected with the 4th flange 5222 of the second adjacent air vent 522 in the front of frame 51, it is preferred that can be integral, each
Spacing of the 3rd flange 5221 and the 4th flange 5222 of second air vent 522 between the end at the back side of frame 51 is second
The width a2 of air vent 522.Positioned at the first flange 5211 and the second air vent 522 of middle the first adjacent air vent 521
The 3rd flange 5221 be connected in the front of frame 51, it is preferred that can be integral.
Thus, when cooking fume stream is by air vent, oil smoke can be oriented to the air inlet of blower fan 3 with certain prewhirl angle
31, so as to arrange the flow field between oil network 5 and blower fan 3, the formation of vortex is reduced, improves the air intake of blower fan 3, so that favorably
In the absorption of oil smoke.And the first flange 5211 and the 3rd flange 5221 can also strengthen the intensity of oil network 5, while avoiding air-flow in oil
The back side of net 5 forms small vortex.Moreover, the setting of the second flange 5212 and the 4th flange 5222, may be such that oil smoke by divulging information
The contact area of Kong Shi, oil smoke and air vent is more, can lift grease separating degree.
Second flange 5212 and the relative place plane of frame 51 of the 4th flange 5222 are respectively formed tilt angle alpha, α value model
Preferably 30 °~60 ° are enclosed, in order to which air-flow to be preferably directly directed to the air inlet 31 of blower fan 3.Angle of inclination is too small, then
Area of passage is too small and influences the performance of blower fan 3；Angle of inclination is excessive, can not play the effect of being directly directed to.Each second flange
5212 and the 4th the angle of inclination of flange 5222 also can not can simultaneously play a part of adjusting incoming air area size to be identical.
The height of second flange 5212 and the 4th flange 5222 is c, and c span is preferably 5mm~12mm, two
The height of flange enough, can just play effective guide effect, and otherwise guide effect is not enough, and excessive then sheet metal mould once into
Type can not be realized.
First flange 5211 of the spacing between two neighboring first air vent 521, i.e. the first air vent 521 and adjacent
Spacing of second flange 5212 of the first air vent 521 between the end at the back side of frame 51 is d1, two neighboring second ventilation
4th flange of the spacing between hole 522, i.e. the 3rd flange 5221 of the second air vent 522 and the second adjacent air vent 522
Spacing between 5222 rear end is d2, and d1, d2 span are preferably 10mm~15mm, above-mentioned spacing and ventilation
The draught area of the width joint effect oil network in hole, while also influenceing oil network outward appearance, the scope can ensure more reasonably to divulge information
Area and preferably it is attractive in appearance.
The spacing at a diameter of D of the air inlet 31 of blower fan 3, the center of oil network 5 and the center of air inlet 31 is S, meets such as ShiShimonoseki
System：0.25D ＜ S, thus avoid oil network 5 too close to the air inlet 31 of blower fan 3, this is due to the air intake of the center section of oil network 5
It is relatively difficult, if oil network 5 is too close to the air inlet 31 of blower fan 3, the air inlet of blower fan 3 can be had a strong impact on, causes the property of blower fan 3
It can decline；Ensure a certain distance, then influence of the center section of oil network 5 to the air inlet of blower fan 3 can be made smaller.
Claims (10)
1. a kind of oil network for range hood, including frame (51) and the air vent that is opened in frame (51), each ventilation
Width of the hole along frame (51) is set, and each air vent arranged for interval side by side on the length direction of frame (51),
The frame (51) has first end (511) and the second end (512) in the longitudinal direction, it is characterised in that：The air vent bag
At least two first air vents (521) and at least two second air vents (522) are included, each first air vent (521) is arranged in
Between the centre of frame (51) and first end (511), and lead to from the centre of frame (51) to first end (511), single first
The incoming air area of air holes (521) gradually increases；Each second air vent (522) is arranged in the centre and the second end of frame (51)
(512) between, and from the centre of frame (51) to the second end (512), the incoming air area of single second air vent (522) is gradually
Increase.
2. it is used for the oil network of range hood as claimed in claim 1, it is characterised in that：From the centre of frame (51) to first end
(511), the width a1 of single first air vent (521) gradually increases；It is single from the centre of frame (51) to the second end (512)
The width a2 of second air vent (522) gradually increases.
3. it is used for the oil network of range hood as claimed in claim 2, it is characterised in that：Described a1, a2 span is
8mm~20mm.
4. it is used for the oil network of range hood as claimed in claim 2 or claim 3, it is characterised in that：Each first air vent (521) exists
Both sides on frame (51) length direction, to frame (51) back side extend the first flange (5211) and the second flange respectively
(5212), first flange (5211) is located at side of the first air vent (521) in the middle of frame (51), and described second turns over
Side (5212) is located at the first air vent (521) away from the opposite side in the middle of frame (51), first flange (5211) and adjacent
The second flange (5212) of first air vent (521) is connected in frame (51) front；Each second air vent (522) is in frame
(51) both sides on length direction, to frame (51) back side the 3rd flange (5221) and the 4th flange (5222) are extended respectively,
3rd flange (5221) is located at side of the second air vent (522) in the middle of frame (51), the 4th flange
(5222) it is located at the second air vent (522) away from the opposite side in the middle of frame (51), the 3rd flange (5221) and adjacent the
4th flange (5222) of two air vents (522) is connected in frame (51) front, positioned at middle the first adjacent air vent
(521) the first flange (5211) is connected with the 3rd flange (5221) of the second air vent (522) in frame (51) front；Each
Spacing of the first flange (5211) and the second flange (5212) of first air vent (521) between the end at frame (51) back side
For the width a1 of first air vent (521)；The 3rd flange (5221) and the 4th flange of each second air vent (522)
(5222) spacing between the end at frame (51) back side is the width a2 of second air vent (522).
5. it is used for the oil network of range hood as claimed in claim 4, it is characterised in that：Second flange (5212) is towards together
The first flange (5211) of one first air vent (521) gradually tilts extension, and the 4th flange (5222) is towards same second
3rd flange (5221) of air vent (522) gradually tilts extension.
6. it is used for the oil network of range hood as claimed in claim 5, it is characterised in that：Second flange (5212) and the 4th
Flange (5222) is respectively formed tilt angle alpha with respect to plane where frame (51), and the span of tilt angle alpha is 30 °~60 °.
7. it is used for the oil network of range hood as claimed in claim 5, it is characterised in that：Second flange (5212) and the 4th
The height of flange (5222) is c, and height c span is 5mm~12mm.
8. it is used for the oil network of range hood as claimed in claim 4, it is characterised in that：The of each first air vent (521)
The second flange (5212) of one flange (5211) and adjacent the first air vent (521) is between the end at frame (51) back side
Spacing is d1, the 4th flange of the 3rd flange (5221) of each second air vent (522) and adjacent the second air vent (522)
(5222) the spacing between rear end is d2, and described d1, d2 span are 10mm~15mm.
9. a kind of side extraction cooking fume extractor applied just like oil network according to any one of claims 1 to 8, including exhaust fume collecting hood
(1), fan shroud (2) and blower fan (3), the exhaust fume collecting hood (1) are arranged on the lower section of fan shroud (2), and the blower fan (3) is arranged on wind
In hood (2) and part is positioned at exhaust fume collecting hood (1) dorsal part, and the oil network (5) is arranged on the front of the exhaust fume collecting hood (1).
10. side extraction cooking fume extractor as claimed in claim 9, it is characterised in that：The blower fan (3) has air inlet (31),
A diameter of D of the air inlet (31), the spacing between the air inlet (31) of the blower fan (3) and the center of oil network (5) is S,
Above-mentioned parameter meets following relation：0.25D ＜ S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710057672.XA CN107191987B (en) | 2017-01-23 | 2017-01-23 | Oil screen for range hood and side-draft range hood applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710057672.XA CN107191987B (en) | 2017-01-23 | 2017-01-23 | Oil screen for range hood and side-draft range hood applying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107191987A true CN107191987A (en) | 2017-09-22 |
| CN107191987B CN107191987B (en) | 2022-10-21 |
Family
ID=59871289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710057672.XA Active CN107191987B (en) | 2017-01-23 | 2017-01-23 | Oil screen for range hood and side-draft range hood applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107191987B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043937A (en) * | 2019-04-29 | 2019-07-23 | 宁波方太厨具有限公司 | A kind of side extraction cooking fume extractor |
| CN110542132A (en) * | 2018-05-28 | 2019-12-06 | 宁波方太厨具有限公司 | Oil smoke filter and range hood with same |
| CN111288527A (en) * | 2020-03-31 | 2020-06-16 | 宁波方太厨具有限公司 | Fume exhaust fan |
-
2017
- 2017-01-23 CN CN201710057672.XA patent/CN107191987B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542132A (en) * | 2018-05-28 | 2019-12-06 | 宁波方太厨具有限公司 | Oil smoke filter and range hood with same |
| CN110043937A (en) * | 2019-04-29 | 2019-07-23 | 宁波方太厨具有限公司 | A kind of side extraction cooking fume extractor |
| CN110043937B (en) * | 2019-04-29 | 2024-01-16 | 宁波方太厨具有限公司 | Side-suction type range hood |
| CN111288527A (en) * | 2020-03-31 | 2020-06-16 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN111288527B (en) * | 2020-03-31 | 2022-04-19 | 宁波方太厨具有限公司 | Fume exhaust fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107191987B (en) | 2022-10-21 |
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