CN205447917U - Fume exhaust cover - Google Patents
Fume exhaust cover Download PDFInfo
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- CN205447917U CN205447917U CN201620130952.XU CN201620130952U CN205447917U CN 205447917 U CN205447917 U CN 205447917U CN 201620130952 U CN201620130952 U CN 201620130952U CN 205447917 U CN205447917 U CN 205447917U
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- air draft
- sidewall
- chamber
- exhaust cover
- fume exhaust
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Abstract
The utility model discloses a fume exhaust cover, which comprises a housin, the casing inner chamber has exhaust cavity, exhaust cavity's exhaust cavity lateral wall has the mouth that advances that is used for the oil smoke entering, the casing inner chamber still has the efflux chamber, just efflux chamber orientation a plurality of jet orifices have been seted up to the lateral wall that advances the mouth, so that the air of efflux intracavity passes through move towards behind the jet orifice the orientation of advancing the mouth flows to lock oil smoke and heat in fume exhaust cover below region, and guide the oil smoke to flow to into mouth, improve the oil smoke volume that gets into in the exhaust cavity, and then improve this fume exhaust cover's oil extraction cigarette effect.
Description
Technical field
This utility model relates to kitchen ventilation equipment technical field, particularly to a kind of fume exhaust cover.
Background technology
Kitchen also produces substantial amounts of oil smoke while devoting delicious food for people, makes kitchen environment become greasy and not easy cleaning, and the health of people is caused strong influence, so fume exhaust cover becomes the first-selection purifying kitchen environment already.Outside the rapid discharge chamber of oil smoke that fume exhaust cover can will produce in cooking process, reduce and pollute, purify air, and reduce the harm that kitchen environment and health are caused by oil smoke.
Existing fume exhaust cover is installed on a certain position above cooking stove, in order to can discharge the waste gas being mixed with the band cooking fume produced by food and being produced by cooking stove during cooking smoothly.This fume exhaust cover housing cavity is usually provided with air draft chamber, air draft intracavity is provided with the oil network for separating oil smoke and photodissociation device, wherein, oil network is located at the smoke inlet of air draft chamber sidewall, photodissociation device is located at the exhaust opening in air draft chamber, arranges lubricating cup bottom air draft chamber, and oil smoke enters air draft chamber from smoke inlet and is broken down into oil droplet and flue gas, oil droplet enters lubricating cup, and flue gas is discharged by exhaust opening.
Therefore, can the mist extractor effect of above-mentioned fume exhaust cover is somewhat dependent upon oil smoke fully enter air draft intracavity, but, when oil smoke rises to housing cavity, a part of oil smoke is gathered in the housing cavity away from side, air draft chamber, cause the oil smoke produced in cooking process can not fully enter air draft intracavity, thus reduce the mist extractor effect of fume exhaust cover.
The defect existed in view of above-mentioned fume exhaust cover, it would be highly desirable to a kind of fume exhaust cover that oil smoke can be promoted to fully enter air draft chamber is provided.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is for providing a kind of fume exhaust cover, the housing cavity of this fume exhaust cover has air draft chamber and jet chamber, and jet chamber is provided with some jet orifices towards the sidewall of air draft chamber smoke inlet, air is by flowing to the direction of smoke inlet after jet orifice, thus oil smoke and heat are locked in fume exhaust cover lower zone, and guides oil smoke to flow to smoke inlet, improve the oil smoke amount entering air draft intracavity, and then improve the mist extractor effect of this fume exhaust cover.
In order to realize the purpose of this utility model, this utility model provides a kind of fume exhaust cover, including housing, described housing cavity has air draft chamber, the air draft chamber sidewall in described air draft chamber has the smoke inlet entered for oil smoke, described housing cavity also has a jet chamber, and described jet chamber offers some jet orifices towards the sidewall of described smoke inlet, so that the air of described jet intracavity is flowed by direction towards described smoke inlet after described jet orifice.
In this utility model, the air of jet intracavity sprays from jet orifice towards the direction of smoke inlet, thus oil smoke and heat are locked in fume exhaust cover lower zone, and guides oil smoke to flow to smoke inlet, and then improves the mist extractor effect of fume exhaust cover.
Alternatively, the air draft chamber sidewall in described air draft chamber is vertically obliquely installed；
The first side wall in described jet chamber is vertically obliquely installed, and contrary with the incline direction of described air draft chamber sidewall, and connecting below described the first side wall has the second sidewall of vertical distribution, and described jet orifice is located at described second sidewall.
Alternatively, described the first side wall, angle between described air draft chamber sidewall and horizontal direction are 50 °-70 °.
Alternatively, described jet chamber is provided with deflector with the outside wall surface of described air draft chamber opposite side, and one end of described deflector is towards the inclined upward of described smoke inlet.
Alternatively, described deflector includes interconnective fixing end and water conservancy diversion end, and described fixing end is horizontally disposed with, and is fixed on described second sidewall；
Described water conservancy diversion end is towards the inclined upward of described smoke inlet, and the angle between itself and horizontal direction is 120 °-160 °.
Alternatively, the vertical distance between described fixing end and described shell bottom wall is 30-60 millimeter.
Alternatively, described fixing end is 10-40 millimeter with the length of described water conservancy diversion end.
Alternatively, being tiltedly installed with oil-fume separating device at described smoke inlet, for oil smoke is decomposed into flue gas and oil droplet, the edge level below described air draft chamber is provided with the oil collection box for housing oil droplet；
Aliging with the lateral wall of described housing in the lateral wall of described oil collection box, aligns with the bottom of described air draft chamber sidewall in medial wall, a length of 50-150 millimeter of bottom surface, described air draft chamber.
Alternatively, described second sidewall and the distance between the described housing sidewall of its homonymy are 50-200 millimeter, and the height of described second sidewall is 50-150 millimeter.
Alternatively, a length of 1200-3000 millimeter of described housing, height is 400-650 millimeter.
Accompanying drawing explanation
Fig. 1 is this utility model provided fume exhaust cover structural representation in a kind of specific embodiment；
Fig. 2 is the partial enlarged drawing of I part in Fig. 1.
In Fig. 1-2:
1 housing, 2 air draft chambeies, 21 air draft chamber sidewalls, 22 exhaust openings
3 jet chambeies, 31a jet orifice, 32 the first side walls, 33 second sidewalls；
4 deflectors, 41 fixing ends, 42 water conservancy diversion ends；
5 oil-fume separating devices, 6 oil collection boxes, 7 lightings；
A air draft chamber sole length, B jet chamber diapire length, C the second Sidewall Height, D shell length, E body height, F fixing end height, G fixing end length, H water conservancy diversion end length；
α air draft chamber sidewall draft angles, β the first side wall inclination angle, γ water conservancy diversion end inclination angle.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical solution of the utility model, the utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Under normal circumstances, the mist extractor effect of fume exhaust cover depends primarily on oil smoke and whether heat can discharge, in time without excessive situation.But, for fume exhaust cover of the prior art, when oil smoke is in uphill process, flue gas and heat can be made to diffuse to the region beyond fume exhaust cover, cause Air Pollution in Kitchen.
Refer to accompanying drawing 1-2, wherein, Fig. 1 is this utility model provided fume exhaust cover structural representation in a kind of specific embodiment；Fig. 2 is the partial enlarged drawing of I part in Fig. 1.
In a kind of detailed description of the invention, this utility model provides a kind of fume exhaust cover, as shown in Figure 1, this fume exhaust cover includes housing 1, its housing 1 inner chamber has air draft chamber 2, the air draft chamber sidewall 21 in this air draft chamber 2 has the smoke inlet entered for oil smoke, oil smoke enters in air draft chamber 2 by this smoke inlet, and in air draft chamber 2 under the effect of oil-fume separating device 5, being broken down into flue gas and oil droplet, wherein, flue gas is discharged by being connected to the exhaust blower of exhaust opening 22, oil droplet enters in the oil collection box 6 below air draft chamber 2, thus the separation of oil smoke and discharge in realizing kitchen.
Additionally, in the present embodiment, housing 1 inner chamber also has jet chamber 3, and jet chamber 3 offers some jet orifice 31a towards the sidewall of smoke inlet, when air is by this jet orifice 31a, its actual internal area reduces, flow velocity increases, air sprays from jet orifice 31a towards the direction of smoke inlet, thus oil smoke is blowed to smoke inlet, thus oil smoke and heat are locked in fume exhaust cover lower zone, and guide oil smoke to flow to smoke inlet, improve the oil smoke amount entered in air draft chamber 2, and then improve the mist extractor effect of fume exhaust cover.
Specifically, as shown in Figure 1, the air draft chamber sidewall 21 in air draft chamber 2 is vertically obliquely installed, simultaneously, the first side wall 32 in jet chamber 3 is vertically obliquely installed, and contrary with the incline direction of air draft chamber sidewall 21, connect below the first side wall 32 and have the second sidewall 33 of vertical distribution, above-mentioned jet orifice (not shown) is located at the second sidewall 33.Owing to this second sidewall 33 is vertically distributed, therefore, after air is discharged in jet orifice, flow in the horizontal direction, thus oil smoke and heat are locked in fume exhaust cover lower zone, and guide oil smoke to flow to smoke inlet.
Certainly, said exhaust chamber sidewall 21 is not intended to be limited to be obliquely installed with the first side wall 32 in jet chamber 3, and the two also can be vertically arranged, but, when the two is obliquely installed, while ensureing that air draft chamber 2 has enough volumes with jet chamber 3, additionally it is possible to prevent oil smoke to external diffusion.
Additionally, the sidewall in jet chamber 3 is it is not necessary to include the first side wall 32 and the second sidewall 33, also can be only sloped sidewall, now, jet orifice 31a is located at this sloped sidewall, air is when jet orifice 31a discharges, along inclined direction flowing, therefore, the set-up mode in the present embodiment makes air bottom horizontal flow sheet, to greatest extent oil smoke and heat can be locked in the serious lower zone of oil extraction, and guide oil smoke to flow to smoke inlet.
It should be noted that in the embodiment shown in Fig. 1, three edges of housing 1 arrange jet orifice 31a, and in the visual angle of Fig. 1, it is only capable of being shown at the jet orifice 31a on rear side of housing 1 inner chamber, is positioned on front side of housing 1 inner chamber and not shown in the jet orifice Fig. 1 on right side.It addition, when air draft chamber 2 is positioned in the middle part of housing 1 inner chamber, and each side, housing 1 inner chamber front, rear, left and right is respectively provided with jet chamber 3 with jet orifice, the effect that its guiding oil smoke enters air draft chamber 2 is best.When air draft chamber 2 is positioned at housing cavity sidepiece, when other sidepiece adjacent with this sidepiece is respectively provided with jet chamber with jet orifice, oil smoke also can be guided to enter in air draft chamber 2, certainly, the most also only jet chamber 3 and jet orifice can be set in the side relative with this air draft chamber 2.
Specifically, as shown in Figure 1, angle between above-mentioned the first side wall 32 and horizontal direction is the first side wall angle of inclination beta, angle between air draft chamber sidewall 21 and horizontal direction is air draft chamber sidewall draft angles α, wherein, α Yu β is 50 °-70 °, now, housing 1 inner chamber between air draft chamber 2 and jet chamber 3 is approximately isosceles trapezoidal structure so that fume exhaust cover aesthetic property is preferable.
Certainly, above-mentioned α Yu β is not limited in being 50 °-70 °, it is possible to the most arbitrarily arranges, is not construed as limiting herein.
On the other hand, as it is shown in figure 1, oil-fume separating device 5 is located at air draft chamber sidewall 31, therefore, this oil-fume separating device 5 the most vertically tilts.Additionally, oil-fume separating device in the present embodiment may be configured as cyclone separator, after oil smoke enters, under the guiding of this cyclone separator inner vanes, rotate around blade, according to cyclonic separation principle, during flue gas rotational flow, the oil droplet with bigger centrifugal inertial force is thrown toward the sidewall of this oil-fume separating device 5, and flows under the effect of himself gravity in oil collection box 6 below.
Additionally, it is generally the case that for Appropriate application space, the end of air draft chamber sidewall 21 aligns with the inward flange of oil collection box 6, and the outward flange of oil collection box 6 aligns, now with the lateral wall of housing 1, air draft chamber sole length A is equal with oil collection box length, thus improves the aesthetic property of fume exhaust cover.Certainly, air draft chamber sole length A is with oil collection box length it is not necessary to equal, and in the present embodiment, the two is set to equal by the consideration for aesthetic property.
In embodiment shown in Fig. 1, air draft chamber sole length A is 50-150 millimeter, and correspondingly, oil collection box length is also 50-150 millimeter.
When air draft chamber sole length A is excessive, when the oil smoke of rising and oil collection box 6 outer wall or housing 1 wall contacts, the steam or the oil droplet that comprise in oil smoke easily condense, and finally drop in entrance cooking stove, contaminated food and cooking stove.
When air draft chamber sole length A is too small, flow area when flue gas is discharged from oil-fume separating device 5 is too small, and the circulation path causing flue gas is less, and smoke flow resistance increases so that is connected to energy required when flue gas is discharged by the exhaust blower of exhaust opening 22 and increases.
Therefore, air draft chamber sole length A is preferably set to 50-150 millimeter by the present embodiment, certainly, it is possible to be set to other size, be not construed as limiting herein.
Further, as depicted in figs. 1 and 2, jet chamber 3 is connected with the outside wall surface of air draft chamber 2 opposite side deflector 4, and flows towards the direction of smoke inlet under the effect of this deflector 4 towards the direction inclination of smoke inlet, the oil smoke rising to side, jet chamber 3 in one end of this deflector 4.
Specifically, as in figure 2 it is shown, deflector 4 includes interconnective fixing end 41 and water conservancy diversion end 42, wherein, this fixing end 41 is horizontally disposed with, and is fixed on second sidewall 33 in jet chamber 3；Water conservancy diversion end 42 is towards the inclined upward of smoke inlet, and the angle between itself and horizontal direction is water conservancy diversion end inclination angle γ, and wherein γ is 120 °-160 °.
Certainly, above-mentioned deflector 4 is it is not necessary to include fixing end 41 and water conservancy diversion end 42, it is possible to only include the hang plate being fixed on jet chamber sidewall, but, when it includes horizontally disposed fixing end 41, deflector 4 realizes with fixing being easier to of jet chamber sidewall, and fixing after intensity higher.It addition, water conservancy diversion end inclination angle γ is not limited in being 120 °-160 °, it is possible to the most arbitrarily arrange, be not construed as limiting herein, certainly, when it is 120 °-160 °, best to the water conservancy diversion effect of oil smoke.
More specifically, as in figure 2 it is shown, the vertical distance between fixing end 41 and housing 1 diapire is fixing end height F, wherein, F is 30-60 millimeter.
Being appreciated that oil smoke is susceptible to assemble situation about being even condensed in below deflector 4 when fixing end height F is excessive, when fixing end height F is too small, it is impossible to play the effect of water conservancy diversion, therefore, in the present embodiment, fixing end height F is preferably 30-60 millimeter.Certainly, the size of above-mentioned fixing end height F is not limited to that, it is possible to for arbitrary height, be not construed as limiting herein.
Meanwhile, as in figure 2 it is shown, fixing end length G is 10-40 millimeter with water conservancy diversion end length H.
Similarly, fixing end length G and water conservancy diversion end length H are all not limited only to into 10-40 millimeter, can arbitrarily arrange according to practical situation equally, be not construed as limiting herein.
On the other hand, as it is shown in figure 1, the distance between on the right side of second sidewall 33 in jet chamber and housing 1, i.e. jet chamber diapire length B is 50-200 millimeter, and the second Sidewall Height C is 50-150 millimeter.
Being appreciated that the size of the space representation fluidic spaces that above-mentioned jet chamber diapire length B and the second Sidewall Height C surround, therefore, the two, also dependent on being actually needed arbitrarily setting, is not construed as limiting herein.
In various embodiments above, shell length D is 1200-3000 millimeter, and body height E is 400-650 millimeter.
Fume exhaust cover in various embodiments above can be the arbitrary dimension in above-mentioned scope, and therefore, the fume exhaust cover in this utility model has the higher suitability, arbitrarily can arrange according to the practical situation of user.Certainly, based on processing and the progress of assembly method, above-mentioned shell length D and body height E are alternatively other size.
It addition, as it is shown in figure 1, the fume exhaust cover top in various embodiments above is additionally provided with lighting 7, facilitate cook to operate.
Above a kind of fume exhaust cover provided by the utility model is described in detail.Principle of the present utility model and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; on the premise of without departing from this utility model principle, it is also possible to this utility model is carried out some improvement and modification, these improve and modification also falls in this utility model scope of the claims.
Claims (10)
1. a fume exhaust cover, including housing (1), described housing (1) inner chamber has air draft chamber (2), air draft chamber sidewall (21) of described air draft chamber (2) has the smoke inlet entered for oil smoke, it is characterized in that, described housing (1) inner chamber also has jet chamber (3), and described jet chamber (3) offers some jet orifices towards the sidewall of described smoke inlet, so that the air in described jet chamber (3) is flowed by direction towards described smoke inlet after described jet orifice.
Fume exhaust cover the most according to claim 1, it is characterised in that air draft chamber sidewall (21) of described air draft chamber (2) is vertically obliquely installed；
The first side wall (32) of described jet chamber (3) is vertically obliquely installed, and it is contrary with the incline direction of described air draft chamber sidewall (21), described the first side wall (32) lower section connects the second sidewall (33) having vertical distribution, and described jet orifice is located at described second sidewall (33).
Fume exhaust cover the most according to claim 2, it is characterised in that described the first side wall (32), angle between described air draft chamber sidewall (21) and horizontal direction are 50 °-70 °.
Fume exhaust cover the most according to claim 3, it is characterized in that, described jet chamber (3) (3) is provided with deflector (4) with the outside wall surface of described air draft chamber (2) opposite side, and one end of described deflector (4) is towards the inclined upward of described smoke inlet.
Fume exhaust cover the most according to claim 4, it is characterized in that, described deflector (4) (4) includes interconnective fixing end (41) and water conservancy diversion end (42), described fixing end (41) is horizontally disposed with, and is fixed on described second sidewall (33)；
Described water conservancy diversion end (42) is towards the inclined upward of described smoke inlet, and the angle between itself and horizontal direction is 120 °-160 °.
Fume exhaust cover the most according to claim 5, it is characterised in that the vertical distance between described fixing end (41) and described housing (1) diapire is 30-60 millimeter.
Fume exhaust cover the most according to claim 5, it is characterised in that described fixing end (41) is 10-40 millimeter with the length of described water conservancy diversion end (42).
8. according to the fume exhaust cover according to any one of claim 2-7, it is characterized in that, oil-fume separating device (5) it is tiltedly installed with at described smoke inlet, for oil smoke is decomposed into flue gas and oil droplet, the edge level of described air draft chamber (2) lower section is provided with the oil collection box (6) for housing oil droplet；
Aliging with the lateral wall of described housing (1) in the lateral wall of described oil collection box (6), aligns with the bottom of described air draft chamber sidewall (21) in medial wall, a length of 50-150 millimeter of described air draft chamber (2) bottom surface.
9. according to the fume exhaust cover according to any one of claim 2-7, it is characterized in that, distance between described second sidewall (33) and described housing (1) sidewall being positioned at its homonymy is 50-200 millimeter, and the height of described second sidewall (33) is 50-150 millimeter.
10., according to the fume exhaust cover according to any one of claim 1-7, it is characterised in that a length of 1200-3000 millimeter of described housing (1), height is 400-650 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620130952.XU CN205447917U (en) | 2016-02-19 | 2016-02-19 | Fume exhaust cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620130952.XU CN205447917U (en) | 2016-02-19 | 2016-02-19 | Fume exhaust cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205447917U true CN205447917U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620130952.XU Active CN205447917U (en) | 2016-02-19 | 2016-02-19 | Fume exhaust cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205447917U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287880A (en) * | 2016-08-16 | 2017-01-04 | 美的集团股份有限公司 | Lampblack absorber |
| CN109530413A (en) * | 2018-10-23 | 2019-03-29 | 深圳市源清环境技术服务有限公司 | Soil restoring device and soil remediation method |
| CN111492181A (en) * | 2017-12-21 | 2020-08-04 | 弗兰卡技术和商标有限公司 | Exhaust hood with forced air injection |
-
2016
- 2016-02-19 CN CN201620130952.XU patent/CN205447917U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287880A (en) * | 2016-08-16 | 2017-01-04 | 美的集团股份有限公司 | Lampblack absorber |
| WO2018032606A1 (en) * | 2016-08-16 | 2018-02-22 | 美的集团股份有限公司 | Cooker hood |
| CN111492181A (en) * | 2017-12-21 | 2020-08-04 | 弗兰卡技术和商标有限公司 | Exhaust hood with forced air injection |
| CN111492181B (en) * | 2017-12-21 | 2022-12-09 | 弗兰卡技术和商标有限公司 | Exhaust hood with forced air injection |
| CN109530413A (en) * | 2018-10-23 | 2019-03-29 | 深圳市源清环境技术服务有限公司 | Soil restoring device and soil remediation method |
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