CN206514368U - There is the side extraction cooking fume extractor of the oil network for the oil network of range hood and application - Google Patents

Abstract

The utility model 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

There is the side extraction cooking fume extractor of the oil network for the oil network of range hood and application

Technical field

The utility model is related to a kind of oil network, and a kind of application has the side extraction cooking fume extractor of the oil network.

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.

Utility model content

First technical problem to be solved in the utility model is in view of the above-mentioned problems of the prior art, providing one Plant the oil network for range hood for improving smoke absorption effect.

The side-suction type that second technical problem to be solved in the utility model is to provide a kind of application and has above-mentioned oil network is inhaled Lampblack absorber.

The utility model solve technical scheme that above-mentioned first technical problem used for：It is a kind of for range hood Oil network, including frame and the air vent being opened in frame, width of each air vent along frame is set, and is respectively divulged information Hole 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, its It is characterised by：The air vent includes at least two first air vents and at least two second air vents, each first air vent It is arranged between the centre of frame and first end, and from the centre of frame to first end, the air intake surface of single first air vent Product gradually increases；Each second air vent is arranged between the centre of frame and the second end, and from the centre of frame to second End, the incoming air area of single second air vent gradually increases.

Preferred according to the utility model, incoming air area is adjusted by the change width of air vent, from the centre of frame To first end, the width a1 of single first air vent gradually increases；From the centre of frame to the second end, single second air vent Width 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 utility model solve technical scheme that above-mentioned second technical problem used for：A kind of application has upper described The side extraction cooking fume extractor of oil network, including exhaust fume collecting hood, fan shroud and blower fan, the exhaust fume collecting hood are arranged on the lower section of fan shroud, institute Assembling is stated in fan shroud and part is located at exhaust fume collecting hood dorsal part, 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 utility model has the advantage of：By causing the incoming air area of oil network from centre to two Side gradually increases, and have adjusted negative pressure before oil network and is distributed so that negative pressure extends to two ends, so as to improve smoke absorption effect；In addition, In the case of ensureing the overall incoming air area of identical, reduce the incoming air area of oil network center section so that noise is concentrated, i.e., it is oily The noise for netting center section is reduced from the chance of front outflow, so as to play Noise Reduction.

Brief description of the drawings

Fig. 1 is the structural representation of range hood of the present utility model；

Fig. 2 is the side sectional view of range hood of the present utility model；

Fig. 3 for Fig. 2 range hood A-A to sectional view；

Fig. 4 is the front schematic view of the oil network of range hood of the present utility model；

Fig. 5 is the schematic rear view of the oil network of range hood of the present utility model；

Fig. 6 is the oil network of range hood of the present utility model and the sectional view of air inlet；

Fig. 7 is the close-up schematic view of the sectional view of Fig. 6 oil network.

Embodiment

The utility model 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.