CN108006757B - Fume collecting hood and range hood provided with fume collecting hood - Google Patents
Fume collecting hood and range hood provided with fume collecting hood Download PDFInfo
- Publication number
- CN108006757B CN108006757B CN201710515743.6A CN201710515743A CN108006757B CN 108006757 B CN108006757 B CN 108006757B CN 201710515743 A CN201710515743 A CN 201710515743A CN 108006757 B CN108006757 B CN 108006757B
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- China
- Prior art keywords
- smoke
- oil
- hood
- fume collecting
- top surface
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- 239000003517 fume Substances 0.000 title claims abstract description 64
- 239000000779 smoke Substances 0.000 claims abstract description 66
- 235000019504 cigarettes Nutrition 0.000 claims description 9
- 238000004378 air conditioning Methods 0.000 claims 1
- 101150038956 cup-4 gene Proteins 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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
- F24C15/2071—Removing cooking fumes mounting of cooking hood
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The smoke collecting cover comprises a smoke collecting inner cavity, wherein the smoke collecting inner cavity comprises an inner top surface and an inner side surface surrounding the inner top surface, the lower bottom surface of the smoke collecting cover is inclined downwards from front to back, the inner top surface of the smoke collecting inner cavity is inclined downwards from front to back, and alpha is less than or equal to beta between the inclination angle alpha of the inner top surface of the smoke collecting inner cavity relative to the horizontal plane and the inclination angle beta of the lower bottom surface of the smoke collecting cover relative to the horizontal plane. The utility model also discloses a range hood provided with the fume collecting hood. The utility model has the advantages that: the inclination angle alpha of the inner top surface of the smoke collection inner cavity relative to the horizontal plane and the inclination angle beta of the lower bottom surface of the smoke collection cover relative to the horizontal plane meet the requirement that alpha is less than or equal to beta, so that the rear side cavity of the smoke collection cover is deep, the front side cavity is shallow, a more stable flow field is formed in a channel at the rear side of the smoke collection cover, and larger instant impact smoke oil can be processed, so that the smoke is prevented from escaping, and the range hood provided with the smoke collection cover solves the problem that the European-style range hood runs smoke on the rear side.
Description
Technical Field
The utility model relates to a range hood, in particular to a fume collecting hood and the range hood with the fume collecting hood.
Background
At present, under the condition that the fan systems are the same, compared with a side-suction type range hood, the European type range hood is different in mechanism of sucking the oil smoke into the range hood, and the oil smoke sucking effect is also different. The depth of the front side cavity and the depth of the rear side cavity of the smoke collecting cavity of the conventional European-style smoke exhaust ventilator are the same, so that the front and rear negative pressure heights are equal, the stable flow field is not formed at the rear part of the smoke collecting cavity, and smoke leakage is easy to occur at the rear side of the smoke collecting cavity when the smoke exhaust ventilator works. At present, there has been disclosed a range hood for improving a fume suction effect by changing a structure of an eye-collecting hood, such as the 'range hood' disclosed in chinese patent No. 201620308240.2 (grant publication No. CN 205619395U), which includes a fixed fume-collecting hood and a movable fume-collecting hood, the movable fume-collecting hood can move up and down with respect to the fixed fume-collecting hood, and although the range hood has a good fume collecting effect by adjusting a width and a depth of the fume-collecting hood and occupies a small space when being closed, it needs to be provided with two fume-collecting hoods, which is complex in structure and high in cost, and the range hood cannot solve the problem that fume is easily leaked from a rear side of the fume-collecting hood. In addition, the problem of the oil way of the prior European-style range hood is not thoroughly solved. In view of the above, there is a need for further improvements in the structure of the existing range hood.
Disclosure of Invention
The first technical problem to be solved by the utility model is to provide the fume collecting hood with the pressure stabilizing fume collecting cavities with novel structure and different cavity depths at the front side and the rear side aiming at the current state of the art.
The second technical problem to be solved by the utility model is to provide a range hood capable of effectively avoiding the escape of oil smoke at the rear side of the fume collecting hood.
The technical scheme adopted by the utility model for solving the first technical problem is as follows: this collection petticoat pipe has collection cigarette inner chamber, collection cigarette inner chamber is including interior top surface and the medial surface around interior top surface, its characterized in that: the lower bottom surface of the fume collecting hood is inclined downwards from front to back, the inner top surface of the fume collecting inner cavity is inclined downwards from front to back, and alpha is less than or equal to beta between the inclination angle alpha of the inner top surface of the fume collecting inner cavity relative to the horizontal plane and the inclination angle beta of the lower bottom surface of the fume collecting hood relative to the horizontal plane.
Preferably, the inclination angle beta of the lower bottom surface of the fume collecting hood relative to the horizontal plane takes the value of 10 degrees < beta <20 degrees. The beta is preferably 12 degrees, and the oil drops can be guided to the rear part of the fume collecting hood along the inclined lower bottom surface under the condition of the angle.
Preferably, the inclination angle alpha of the inner top surface of the smoke collecting inner cavity relative to the horizontal plane takes the value of 5 degrees < alpha <20 degrees. Under the angle condition, the oil drops can be guided to the rear part of the fume collecting hood along the inner top surface of the inclined fume collecting cavity.
In order to further make the rear side space of the smoke collecting inner cavity be greater than the front side space, preferably, the smoke collecting inner cavity comprises a left inner side surface and a right inner side surface which are distributed outwards obliquely from top to bottom, and the front side length of the left inner side surface and the front side length of the right inner side surface are smaller than or equal to the rear side length. Therefore, after the rear side space of the smoke collecting cavity is increased, a more stable flow field is formed in the channel at the rear side of the smoke collecting cover, and accordingly the escape of oil smoke is further prevented.
Further preferably, the left and right outer sides of the fume collecting hood are right trapezoid, the upper edges of the left and right outer sides are horizontally arranged, the front edges of the left and right outer sides are vertically arranged and form the upper bottom of the right trapezoid, the rear edges of the left and right outer sides are vertically arranged and form the lower bottom of the right trapezoid, and the height difference between the front edges and the rear edges is 80-120 mm. Therefore, the height of the negative pressure area is reduced, a larger pressure-stabilizing smoke collecting cavity can be formed at the rear part of the smoke collecting cover, the occurrence of smoke leakage is reduced due to the reduction of the negative pressure area, and the larger pressure-stabilizing smoke collecting cavity can cope with larger instant impact smoke oil, so that the problem that the smoke leakage of the European-style range hood occurs at the rear side of the smoke collecting cover is solved.
The utility model solves the second technical problem by adopting the technical proposal that: the range hood comprises a fan outer cover and a fume collecting hood, wherein the fume collecting hood is arranged right below the fan outer cover.
Further preferably, the range hood further comprises a smoke guide plate and an oil cup, wherein the smoke guide plate is positioned in the smoke collecting cavity of the smoke collecting cover, the oil cup is arranged below the rear side edge of the smoke guide plate, and an oil guide structure for guiding oil accumulated in the smoke collecting cavity into the oil cup is arranged at the bottom of the rear side of the smoke collecting cover.
Further preferably, the length of the oil cup is consistent with the left-right width of the smoke guide plate.
The oil guide structure can be various, and preferably, the oil guide structure is an oil guide rod arranged at the bottom of the rear side of the fume collecting hood, and the oil guide rod is positioned above the oil cup.
Further preferably, the oil guiding structure is a oil guiding strip arranged at the bottom of the rear side of the fume collecting hood, an oil guiding groove is formed on the oil guiding strip, and an oil outlet of the oil guiding groove is positioned above the oil cup
Compared with the prior art, the utility model has the advantages that: the lower bottom surface of this collection petticoat pipe is from preceding slant downward sloping backward, the interior top surface of collection cigarette inner chamber is from preceding slant downward sloping backward, and satisfy alpha and be less than or equal to beta between the inclination alpha of interior top surface of collection cigarette inner chamber relative to the horizontal plane and the inclination beta of the lower bottom surface of collection petticoat pipe relative to the horizontal plane, make the rear side chamber of collection petticoat pipe dark, the front side chamber is shallow, be favorable to forming more stable flow field at the passageway of collection petticoat pipe rear side, can deal with bigger instantaneous impact tobacco tar, thereby prevent the oil smoke escape, the range hood of this collection petticoat pipe of installation has solved the problem that European style range hood runs the cigarette and takes place at the rear side more.
Drawings
FIG. 1 is a schematic view of a hood according to an embodiment of the present utility model;
FIG. 2 is a side view of the hood of FIG. 1;
FIG. 3 is a bottom view of the hood of FIG. 1;
fig. 4 is a schematic structural view of a range hood equipped with the fume collecting hood;
fig. 5 is a cross-sectional view of the range hood of fig. 1;
FIG. 6 is an enlarged schematic view of portion A of FIG. 5;
fig. 7 is a schematic structural view of a range hood with the fume collecting hood installed;
fig. 8 is an enlarged schematic view of a portion B in fig. 7.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 3, the fume collecting hood 1 in the present embodiment has a fume collecting cavity including an inner top surface 11 and an inner side surface surrounding the inner top surface 11, a lower bottom surface 12 of the fume collecting hood 1 is inclined obliquely downward from front to back, and the inner top surface 11 of the fume collecting cavity is inclined obliquely downward from front to back.
Referring to fig. 5, the inclination angle alpha of the inner top surface 11 of the fume collecting cavity relative to the horizontal plane and the inclination angle beta of the lower bottom surface 12 of the fume collecting hood relative to the horizontal plane satisfy alpha.ltoreq.beta. Wherein, the value of beta is 10 DEG < beta <20 DEG, the value of alpha is 5 DEG < alpha <20 DEG, and is preferably beta=12 DEG, the oil smoke at the rear part of the fume collecting hood can be led forward by the inclined structure, invalid pressure relief at the front part of the fume collecting hood 1 is prevented, the rear side cavity of the fume collecting hood 1 is deep, the front side cavity is shallow, a more stable flow field is formed at the rear part of the fume collecting hood 1, the escape of the oil smoke is prevented, and meanwhile, the oil drops can be guided to the rear part of the fume collecting hood 1 along the inner top surface 11 of the fume collecting inner cavity and the lower bottom surface 12 of the fume collecting hood 1 under the room temperature condition.
In addition, the inner side 11 of the smoke collecting cavity comprises a left inner side 13 and a right inner side 13 which are distributed outwards from top to bottom, and the length of the front side 131 of the left inner side 13 and the length of the rear side 132 are smaller than or equal to each other. Therefore, the rear side space of the smoke collecting cavity can be increased, and a more stable flow field is formed in a channel at the rear side of the smoke collecting cover 1.
In this embodiment, the left and right outer sides 14 of the fume collecting hood 1 are all right trapezoid, the upper edges 141 of the left and right outer sides 14 are horizontally arranged, the front edges 142 of the left and right outer sides 14 are vertically arranged and form the upper bottom of the right trapezoid, the rear edges 143 of the left and right outer sides 14 are vertically arranged and form the lower bottom of the right trapezoid, and the height difference between the front edges 142 and the rear edges 143 is 80-120 mm, preferably about 100 mm. Thus, the rear part of the fume collecting hood 1 is lower than the front part of the fume collecting hood by about 100mm, the height of the negative pressure area is reduced, and a larger pressure-stabilizing fume collecting cavity is formed at the rear part of the fume collecting hood 1. The reduction of the negative pressure area reduces the occurrence of smoke leakage, and the larger pressure-stabilizing smoke collection cavity can cope with larger instant impact smoke, so that the problem that the smoke leakage of the European style range hood occurs at the rear side frequently is solved.
As shown in fig. 4 to 6, the range hood comprises a fume collecting hood 1, a fan outer cover 2, a fume guide plate 3, an oil cup 4 and other components, wherein the fume collecting hood 1 is arranged right below the fan outer cover 2, the fume guide plate 3 is positioned in a fume collecting cavity of the fume collecting hood 1, the oil cup 4 is arranged below the rear side edge of the fume guide plate 3, and the length of the oil cup 4 is consistent with the left and right width of the fume guide plate 3. An oil guiding structure is arranged at the bottom of the rear side of the fume collecting hood 1 and is used for guiding the oil accumulated on the rear inner side surface 15 of the fume collecting cavity into the oil guiding structure in the oil cup 4. The oil guide structure is an oil guide rod 5 arranged at the bottom of the rear side of the fume collecting hood 1, the oil guide rod 5 is positioned above the oil cup 4, and oil drops accumulated on the rear inner side surface 15 of the fume collecting cavity can flow into the oil cup 4 along the oil guide rod 5
As shown in fig. 7 and 8, the oil guiding structure of the range hood is a wick 6 installed at the bottom of the rear side of the fume collecting hood 1, an oil guiding groove 61 is formed on the wick 6, the oil outlet of the oil guiding groove 61 is positioned above the oil cup 4, and oil drops accumulated on the left and right sides of the rear inner side 15 of the fume collecting cavity firstly drop into the oil guiding groove 61 and then flow into the oil cup 4 from the oil guiding groove 61.
The foregoing is merely illustrative of the preferred embodiments of this utility model, and it will be appreciated by those skilled in the art that variations and modifications of this utility model can be made without departing from the principles of the utility model, and these are considered to be within the scope of the utility model.
Claims (6)
1. A smoke collecting hood having a smoke collecting cavity comprising an inner top surface (11) and an inner side surface surrounding the inner top surface, characterized in that: the lower bottom surface (12) of collection petticoat pipe (1) is from preceding backward declivity downward sloping, interior top surface (11) of collection cigarette inner chamber is from preceding backward declivity downward sloping, and satisfies alpha < beta between the inclination alpha of interior top surface (11) of collection cigarette inner chamber and the inclination beta of lower bottom surface (12) of collection petticoat pipe for the horizontal plane, the inclination beta value of lower bottom surface (12) of collection petticoat pipe (1) for the horizontal plane is 10 < beta <20 >, the inclination alpha value of interior top surface (11) of collection cigarette inner chamber for the horizontal plane is 5 < alpha <20 >, collection cigarette inner chamber is including the left and right medial surface (13) of top-down declivity outside distribution, the front side (131) length of left and right medial surface (13) is less than rear side (132) length, the left and right lateral surface (14) of collection petticoat pipe (1) all are right trapezoid, the upper edge (141) level setting of left and right lateral surface (14) are right trapezoid, the front side (142) of left and right lateral surface (14) are vertical side edge (142), the right trapezoid-shaped side (143) are the right trapezoid-shaped, and the right side edge (143) is the right trapezoid-shaped, and the right side (143) is the right side is the right trapezoid-shaped.
2. A range hood having the hood of claim 1 mounted thereto, wherein: the air-conditioning fan comprises a fan outer cover (2) and a fume collecting hood (1), wherein the fume collecting hood (1) is arranged right below the fan outer cover (2).
3. The range hood of claim 2, wherein: the smoke collecting device is characterized by further comprising a smoke guide plate (3) and an oil cup (4), wherein the smoke guide plate (3) is positioned in a smoke collecting cavity of the smoke collecting cover (1), the oil cup (4) is arranged below the rear side edge of the smoke guide plate (3), and an oil guiding structure for guiding oil accumulated in the smoke collecting cavity into the oil cup (4) is arranged at the bottom of the rear side of the smoke collecting cover (1).
4. A range hood according to claim 3, wherein: the length of the oil cup (4) is consistent with the left and right width of the smoke guide plate (3).
5. A range hood according to claim 3, wherein: the oil guide structure is an oil guide rod (5) arranged at the bottom of the rear side of the fume collecting hood (1), and the oil guide rod (5) is positioned above the oil cup (4).
6. A range hood according to claim 3, wherein: the oil guiding structure is a deep-fried dough stick (6) arranged at the bottom of the rear side of the fume collecting hood (1), an oil guiding groove (61) is formed in the deep-fried dough stick (6), and an oil outlet of the oil guiding groove (61) is located above the oil cup (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710515743.6A CN108006757B (en) | 2017-06-29 | 2017-06-29 | Fume collecting hood and range hood provided with fume collecting hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710515743.6A CN108006757B (en) | 2017-06-29 | 2017-06-29 | Fume collecting hood and range hood provided with fume collecting hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108006757A CN108006757A (en) | 2018-05-08 |
| CN108006757B true CN108006757B (en) | 2024-02-20 |
Family
ID=62048717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710515743.6A Active CN108006757B (en) | 2017-06-29 | 2017-06-29 | Fume collecting hood and range hood provided with fume collecting hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108006757B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405022B (en) * | 2018-11-30 | 2020-06-19 | 佛山市顺德区美的洗涤电器制造有限公司 | Smoke exhaust ventilator |
| CN109764385B (en) * | 2019-01-29 | 2021-07-23 | 佛山市顺德区美的洗涤电器制造有限公司 | Fixing base and range hood |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384511A (en) * | 2011-10-31 | 2012-03-21 | 海尔集团公司 | Side draught range hood |
| JP2013104564A (en) * | 2011-11-10 | 2013-05-30 | Yamaha Livingtec Corp | Range hood |
| CN203036727U (en) * | 2012-12-28 | 2013-07-03 | 广东万家乐燃气具有限公司 | Multichannel air inlet nearly suction type extractor hood |
| CN203549970U (en) * | 2013-11-11 | 2014-04-16 | 广州市红日燃具有限公司 | Close-suction range hood |
| CN204665422U (en) * | 2015-04-22 | 2015-09-23 | 广东万和电气有限公司 | With the range hood of inclination deflector |
| CN106016404A (en) * | 2016-07-06 | 2016-10-12 | 宁波方太厨具有限公司 | Range hood with auxiliary air inlet channel |
| CN205807558U (en) * | 2016-05-27 | 2016-12-14 | 九阳股份有限公司 | A kind of side-suction type range hood |
| CN207094704U (en) * | 2017-06-29 | 2018-03-13 | 宁波方太厨具有限公司 | A kind of exhaust fume collecting hood and the range hood for being provided with the exhaust fume collecting hood |
-
2017
- 2017-06-29 CN CN201710515743.6A patent/CN108006757B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384511A (en) * | 2011-10-31 | 2012-03-21 | 海尔集团公司 | Side draught range hood |
| JP2013104564A (en) * | 2011-11-10 | 2013-05-30 | Yamaha Livingtec Corp | Range hood |
| CN203036727U (en) * | 2012-12-28 | 2013-07-03 | 广东万家乐燃气具有限公司 | Multichannel air inlet nearly suction type extractor hood |
| CN203549970U (en) * | 2013-11-11 | 2014-04-16 | 广州市红日燃具有限公司 | Close-suction range hood |
| CN204665422U (en) * | 2015-04-22 | 2015-09-23 | 广东万和电气有限公司 | With the range hood of inclination deflector |
| CN205807558U (en) * | 2016-05-27 | 2016-12-14 | 九阳股份有限公司 | A kind of side-suction type range hood |
| CN106016404A (en) * | 2016-07-06 | 2016-10-12 | 宁波方太厨具有限公司 | Range hood with auxiliary air inlet channel |
| CN207094704U (en) * | 2017-06-29 | 2018-03-13 | 宁波方太厨具有限公司 | A kind of exhaust fume collecting hood and the range hood for being provided with the exhaust fume collecting hood |
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| Publication number | Publication date |
|---|---|
| CN108006757A (en) | 2018-05-08 |
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