CN104180413A - Top-suction extractor hood with smoke deflector - Google Patents
Top-suction extractor hood with smoke deflector Download PDFInfo
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- CN104180413A CN104180413A CN201410419676.4A CN201410419676A CN104180413A CN 104180413 A CN104180413 A CN 104180413A CN 201410419676 A CN201410419676 A CN 201410419676A CN 104180413 A CN104180413 A CN 104180413A
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- smoke deflector
- smoke
- deflector
- kitchen ventilator
- collecting hood
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Abstract
The invention discloses a top-suction extractor hood with a smoke deflector. The top-suction extractor hood comprises a machine body, an exhaust fume collecting hood and a smoke deflector, wherein the exhaust fume collecting hood is connected to the machine body; a fan is arranged in the machine body; an air inlet is formed on the exhaust fume collecting hood; the smoke deflector is arranged in a manner of directly facing the air inlet of the exhaust fume collecting hood, and a fume passage is formed by a gap between the smoke deflector and the exhaust fume collecting hood; and the lower surface of the smoke deflector is of a wavy structure. According to the top-suction extractor hood disclosed by the invention, by designing the lower surface of the smoke deflector as a wavy structure, roughness of the lower surface of the smoke deflector is enhanced; and a relatively large boundary layer is generated when fume passes through the lower surface of the smoke deflector, so as to enhance a wall attachment effect, thus improving a smoke deflection effect.
Description
Technical field
The present invention relates to a kind of lampblack absorber, especially a kind of top-sucking kitchen ventilator with deflector.
Background technology
The air intake mode of current existing top-sucking kitchen ventilator adopts the mode that air inlet and Inlet Network are set in the middle of the exhaust fume collecting hood of indent conventionally, as the application number disclosed a kind of kitchen hood of Chinese patent that is 200520086100.7, comprise and be arranged on the exhaust fume collecting hood of bottom and design the air channel on exhaust fume collecting hood top, at the middle part of exhaust fume collecting hood, be provided with the air inlet ring being connected with bottom, air channel, in air channel, be provided with fan, air inlet ring bottom is provided with oil cleaner screen, and the bottom of oil cleaner screen is provided with lubricating cup.The negative pressuren zone of this lampblack absorber mainly concentrates near Inlet Network, that is to say that high negative pressure district mainly concentrates on middle, and this air draught mode is unfavorable to adopting the user of eyes kitchen range or multi-hole kitchen range to use, and oil smoke is easily excessive from the cigarette machine left and right sides and front side.
For the concentrated problem of above-mentioned traditional top suction type cigarette machine negative pressure, Chinese Patent Application No. 200910096759.3 has been announced a kind of top-sucking kitchen ventilator with smoke deflector, in the middle of its exhaust fume collecting hood, below air inlet, be provided with a smoke deflector, this smoke deflector covers the air inlet of whole exhaust fume collecting hood and leaves certain distance with exhaust fume collecting hood end face and forms air intake passage, this smoke deflector extends air inlet negative pressure on the one hand toward the left and right sides and front side, solve the concentrated problem of traditional top-sucking kitchen ventilator negative pressure, this smoke deflector plays certain cigarette effect of leading on the other hand, during oil smoke process smoke deflector, produce wall attachment effect, can be oil smoke both sides and front side guiding to the left and right.But because this smoke deflector is smooth plates, the wall attachment effect DeGrain of generation, leads cigarette poor effect.
In order to solve above-mentioned smoke deflector, lead cigarette poor effect problem, Chinese Patent Application No. 201310639355.0 has proposed a kind of high in the middle of having, smoke deflector of low concave inward structure around, when oil smoke passes through the smoke deflector of this indent, in female parts space, form whirlpool, thickeied to a certain extent the negative layer thickness on smoke deflector surface, thereby strengthened the effect of wall attachment effect, obtained certain effect.
Summary of the invention
The object of the invention is to overcome at least one the deficiency described in above-mentioned prior art, a kind of top-sucking kitchen ventilator with smoke deflector is provided, of the present inventionly can further improve its smoke deflector wall attachment effect.
In order to achieve the above object, the technical scheme that the present invention takes: a kind of top-sucking kitchen ventilator with smoke deflector, comprise exhaust fume collecting hood and smoke deflector, described exhaust fume collecting hood is provided with air inlet, described deflector is over against the air inlet setting of exhaust fume collecting hood, and deflector and exhaust fume collecting hood keep predetermined spacing and form oil smoke passage, and the lower surface of described smoke deflector is wavy.
In such scheme, the lower surface of smoke deflector is wavy, has increased the roughness of lower surface, and the boundary layer thickness that oil smoke fluid produces when surperficial through it becomes large.
The oil droplet forming for the ease of tidying up smoke deflector surface, the rear side of above-mentioned smoke deflector is provided with lubricating cup, high rear low dip setting before smoke deflector, the lower surface of smoke deflector is provided with many grooves that distribute along left and right directions.
Further, for the oil droplet that smoke deflector surface is formed flows into lubricating cup smoothly, above-mentioned groove extends to the side edge, front and back of smoke deflector.
In order to have strengthened further wall attachment effect, the degree of depth of above-mentioned groove diminishes from front to back.
The surrounding of above-mentioned smoke deflector is along being provided with flange upwards, and the upper surface of smoke deflector forms projection in the position of every groove of correspondence, between adjacent two projections of the upper surface of smoke deflector, forms oil duct, and the rear end of oil duct offers oil leaking hole.In this programme, not affecting oil smoke fluid flows to oil smoke passage along smoke deflector lower surface on the one hand, guarantees that on the other hand the oil droplet that smoke deflector upper surface forms flows into lubricating cup from the oil leaking hole on smoke deflector back side edge edge.
Preferably, the shape of cross section of above-mentioned groove is arc, rectangle, triangle or trapezoidal.
Preferably, the depth H of above-mentioned groove is 0.5mm to 10mm.
Another program, the rear side of above-mentioned smoke deflector is provided with lubricating cup, low dip setting after high before smoke deflector, the middle part of the lower surface of smoke deflector is plane, the lower surface of smoke deflector is respectively equipped with deep-slotted chip breaker in the both sides of corresponding flat, and the degree of depth of deep-slotted chip breaker diminishes from front to back, the boundary layer thickness that oil smoke fluid forms while flowing through deep-slotted chip breaker increases.
For attractive in appearance, the intersection of the plane at above-mentioned smoke deflector middle part and the deep-slotted chip breaker of its both sides is " eight " font.
The surrounding of above-mentioned smoke deflector is along being provided with flange upwards, and the upper surface of smoke deflector forms projection in the position of corresponding deep-slotted chip breaker, and smoke deflector back side edge is along offering oil leaking hole.In this programme, not affecting oil smoke fluid flows to oil smoke passage along smoke deflector lower surface on the one hand, guarantees that on the other hand the oil droplet that smoke deflector upper surface forms flows into lubricating cup from the oil leaking hole on smoke deflector back side edge edge.
Preferably, the degree of depth h of above-mentioned deep-slotted chip breaker is 0.5mm to 10mm.
The present invention is due to the lower surface of deflector is arranged to wavy, strengthened the roughness of deflector lower surface, when passing through the lower surface of this smoke deflector, oil smoke will produce larger boundary-layer, strengthened wall attachment effect, thereby strengthened, lead cigarette effect, the present invention is not only simple in structure, because many grooves distribute and extend to the side edge, front and back of smoke deflector along left and right directions, be equivalent to form many smooth smooth and easy oil circuits from front to back, oil droplet collected convenient and effective.
Accompanying drawing explanation
Fig. 1 is the structural representation of the top-sucking kitchen ventilator with deflector of embodiment 1.
Fig. 2 is that Fig. 1 is along the cutaway view of A-A direction.
Fig. 3 is the structural representation of the smoke deflector of embodiment 1.
Fig. 4 is that Fig. 3 is along the cutaway view of B-B direction.
Fig. 5 is the structural representation of embodiment 2 smoke deflectors.
Fig. 6 is that Fig. 5 is along the projection view of C direction.
The specific embodiment
Below in conjunction with the specific embodiment, the present invention is further illustrated.Wherein, accompanying drawing is only for exemplary illustration, expression be only schematic diagram, but not pictorial diagram can not be interpreted as the restriction to this patent; For embodiments of the invention are described better, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; For a person skilled in the art, in accompanying drawing some known configurations and explanation thereof may to omit be understandable.
The corresponding same or analogous parts of same or analogous label in the accompanying drawing of the embodiment of the present invention; In description of the invention, it will be appreciated that, if have term " on ", the orientation of the indication such as D score, " left side ", " right side ", 'fornt', 'back', " vertically ", " level " or position relationship be for based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore the term of describing position relationship in accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent.
embodiment 1
Top-sucking kitchen ventilator with smoke deflector of the present invention is as Fig. 1, shown in 2, comprise exhaust fume collecting hood 1, smoke deflector 2, lubricating cup 3 and body 4, wherein exhaust fume collecting hood 1 is arranged on the lower end of body 4, in body 4, be provided with blower fan system 41, the lower end of exhaust fume collecting hood 1 offers air inlet, deflector 2 is over against the air inlet of exhaust fume collecting hood 1, and low dip setting after the front height of smoke deflector 2, deflector 2 keeps predetermined spacing and forms oil smoke passage with exhaust fume collecting hood 1, smoke deflector 2 is fixed on exhaust fume collecting hood 1 by support or buckle 5, the below on the back side edge edge of smoke deflector 2 is provided with the lubricating cup 3 of bar shaped, the lower surface of smoke deflector 2 is wavy.
In the present embodiment, the lower surface of smoke deflector 2 is provided with many grooves 21 that distribute along left and right directions, between groove 21, there is spacing, groove 21 extends to the side edge, front and back of smoke deflector 2, and the surrounding of smoke deflector 2 is along being provided with flange 22 upwards, the upper surface of smoke deflector 2 forms projection 24 in the position of every groove of correspondence 21, between adjacent two projections 24 of the upper surface of smoke deflector 2, form oil duct 25, the rear end of oil duct 25 offers oil leaking hole 23, as Fig. 3, shown in 4, preferably, oil leaking hole 23 is by existing gap to form between the bottom surface of oil duct 25 and flange 22, the oil droplet forming when the upper surface of smoke deflector 2, due to low dip setting after the front height of smoke deflector 2, therefore oil droplet can flow to oil leaking hole 23 along oil duct 25, thereby be dropped in lubricating cup 3, the oil droplet that the lower surface of smoke deflector 2 forms also can slide to along the lower surface of smoke deflector 2 back side edge edge and fall in lubricating cup 3, flange 22 upwards arranges, thereby do not affect oil smoke and flow to oil smoke passage along smoke deflector 2 lower surfaces.
Preferably, the shape of cross section of above-mentioned groove 21 is arc, rectangle, triangle or trapezoidal, and the depth H of groove 21 diminishes from front to back gradually, and the depth H of groove 21 is 0.5mm to 10mm.In the present embodiment, the groove 21 of smoke deflector 2 lower surfaces and the projection 24 of upper surface are to be formed by punching press, and moulding is easy.
The operation principle of range hood of the present invention, blower fan system 41 starts, in the air inlet of exhaust fume collecting hood 1, form negative pressure, oil smoke rises toward exhaust fume collecting hood 1 direction, and from the oil smoke passage between deflector 2 and exhaust fume collecting hood 1, enter into the top of deflector 2, finally from the air inlet of exhaust fume collecting hood 1, enter in exhaust fume collecting hood 1, when passing through the lower surface of this smoke deflector 2, oil smoke will produce boundary-layer, because the lower surface of smoke deflector 2 is wavy, be equivalent to increase the roughness of the lower surface of smoke deflector 2, thereby strengthened wall attachment effect, thereby strengthened, led cigarette effect.
embodiment 2
The range hood of the present embodiment is similar to Example 1, its difference is: as Fig. 5, shown in 6, the rear side of above-mentioned smoke deflector 2 is provided with lubricating cup 3, low dip setting after the front height of smoke deflector 2, the middle part of the lower surface of smoke deflector 2 is plane 26, the lower surface of smoke deflector 2 is respectively equipped with deep-slotted chip breaker 27 in the left and right sides of corresponding flat 26, and the degree of depth of deep-slotted chip breaker 27 diminishes from front to back gradually, the degree of depth h of deep-slotted chip breaker 27 is 0.5mm to 10mm, the surrounding of smoke deflector 2 is along being provided with flange 22 upwards, the upper surface of smoke deflector 2 forms projection 24 in the position of corresponding deep-slotted chip breaker 27, smoke deflector 2 back side edge are along offering oil leaking hole 23, preferably, the plane 26 at above-mentioned smoke deflector 2 middle parts is " eight " font with the intersection of the deep-slotted chip breaker 27 of its both sides, for easily manufactured, the deep-slotted chip breaker 27 of smoke deflector 2 lower surfaces and the projection 24 of upper surface are to be formed by punching press.
The operation principle of the range hood of the present embodiment is identical with embodiment 1, and the lower surface of smoke deflector 2 arranges middle part for plane, and both sides are that concave surface is also in order to increase the roughness of the lower surface of smoke deflector 2, have strengthened wall attachment effect, thereby strengthened, lead cigarette effect.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.All any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in the protection domain of the claims in the present invention.
Claims (10)
1. the top-sucking kitchen ventilator with smoke deflector, comprise exhaust fume collecting hood (1) and smoke deflector (2), described exhaust fume collecting hood offers air inlet on (1), described deflector (2) is over against the air inlet setting of exhaust fume collecting hood (1), and deflector (2) keeps predetermined spacing and forms oil smoke passage with exhaust fume collecting hood (1), it is characterized in that: the lower surface of described smoke deflector (2) is wavy.
2. the top-sucking kitchen ventilator with smoke deflector according to claim 1, it is characterized in that, the rear side of described smoke deflector (2) is provided with lubricating cup (3), low dip setting after the front height of smoke deflector (2), and the lower surface of smoke deflector (2) is provided with many grooves (21) that distribute along left and right directions.
3. the top-sucking kitchen ventilator with smoke deflector according to claim 2, is characterized in that, described groove (21) extends to the side edge, front and back of smoke deflector (2).
4. the top-sucking kitchen ventilator with smoke deflector according to claim 3, is characterized in that, the degree of depth of described groove (21) diminishes from front to back.
5. the top-sucking kitchen ventilator with smoke deflector according to claim 4, it is characterized in that, the surrounding of described smoke deflector (2) is along being provided with flange (22) upwards, and the upper surface of smoke deflector (2) forms projection (24) in the position of every groove of correspondence (21), between adjacent two projections (24) of the upper surface of smoke deflector (2), form oil duct (25), the rear end of oil duct (25) offers oil leaking hole (23).
6. according to the top-sucking kitchen ventilator with smoke deflector described in claim 2 to 5 any one, it is characterized in that, the shape of cross section of described groove (21) is arc, rectangle, triangle or trapezoidal.
7. according to the top-sucking kitchen ventilator with smoke deflector described in claim 2 to 5 any one, it is characterized in that, the depth H of described groove (21) is 0.5mm to 10mm.
8. the top-sucking kitchen ventilator with smoke deflector according to claim 1, it is characterized in that, the rear side of described smoke deflector (2) is provided with lubricating cup (3), low dip setting after the front height of smoke deflector (2), the middle part of the lower surface of smoke deflector (2) is plane (26), the lower surface of smoke deflector (2) is respectively equipped with deep-slotted chip breaker (27) in the both sides of corresponding flat (26), and the degree of depth of deep-slotted chip breaker (27) diminishes from front to back.
9. the top-sucking kitchen ventilator with smoke deflector according to claim 8, it is characterized in that, the surrounding of described smoke deflector (2) is along being provided with flange (22) upwards, the upper surface of smoke deflector (2) forms projection (24) in the position of corresponding deep-slotted chip breaker (27), and smoke deflector (2) back side edge is along offering oil leaking hole (23).
10. the top-sucking kitchen ventilator with smoke deflector according to claim 8, is characterized in that, the degree of depth h of described deep-slotted chip breaker (27) is 0.5mm to 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410419676.4A CN104180413B (en) | 2014-08-22 | 2014-08-22 | Top-suction extractor hood with smoke deflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410419676.4A CN104180413B (en) | 2014-08-22 | 2014-08-22 | Top-suction extractor hood with smoke deflector |
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| Publication Number | Publication Date |
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| CN104180413A true CN104180413A (en) | 2014-12-03 |
| CN104180413B CN104180413B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410419676.4A Active CN104180413B (en) | 2014-08-22 | 2014-08-22 | Top-suction extractor hood with smoke deflector |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI567346B (en) * | 2014-12-05 | 2017-01-21 | Zheng-Li Lin | Oil hoods |
| CN108006756A (en) * | 2017-06-29 | 2018-05-08 | 宁波方太厨具有限公司 | A kind of range hood |
| CN108253476A (en) * | 2016-12-29 | 2018-07-06 | 宁波方太厨具有限公司 | A kind of list air-inlet range hood |
| CN108253482A (en) * | 2016-12-29 | 2018-07-06 | 宁波方太厨具有限公司 | A kind of control method of range hood with smoke deflector and the range hood |
| CN108662645A (en) * | 2018-08-10 | 2018-10-16 | 广东美的厨房电器制造有限公司 | Range hood |
| CN109355734A (en) * | 2018-09-25 | 2019-02-19 | 浙江虹腾新材料有限公司 | A kind of sealing device for carbon fiber processing |
| CN110594811A (en) * | 2019-09-05 | 2019-12-20 | 宁波方太厨具有限公司 | Ceiling type range hood |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI567346B (en) * | 2014-12-05 | 2017-01-21 | Zheng-Li Lin | Oil hoods |
| CN108253476A (en) * | 2016-12-29 | 2018-07-06 | 宁波方太厨具有限公司 | A kind of list air-inlet range hood |
| CN108253482A (en) * | 2016-12-29 | 2018-07-06 | 宁波方太厨具有限公司 | A kind of control method of range hood with smoke deflector and the range hood |
| CN108006756A (en) * | 2017-06-29 | 2018-05-08 | 宁波方太厨具有限公司 | A kind of range hood |
| CN108006756B (en) * | 2017-06-29 | 2024-02-20 | 宁波方太厨具有限公司 | Fume exhauster |
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| CN108662645B (en) * | 2018-08-10 | 2019-10-25 | 广东美的厨房电器制造有限公司 | Range hood |
| CN109355734A (en) * | 2018-09-25 | 2019-02-19 | 浙江虹腾新材料有限公司 | A kind of sealing device for carbon fiber processing |
| CN110594811A (en) * | 2019-09-05 | 2019-12-20 | 宁波方太厨具有限公司 | Ceiling type range hood |
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| CN104180413B (en) | 2017-05-03 |
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