CN107191984B - Filter device for range hood - Google Patents
Filter device for range hood Download PDFInfo
- Publication number
- CN107191984B CN107191984B CN201710022972.4A CN201710022972A CN107191984B CN 107191984 B CN107191984 B CN 107191984B CN 201710022972 A CN201710022972 A CN 201710022972A CN 107191984 B CN107191984 B CN 107191984B
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- CN
- China
- Prior art keywords
- oil filtering
- oil
- filtering unit
- baffle
- range hood
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2035—Arrangement or mounting of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a filtering device for a range hood, which comprises a plurality of strip-shaped first oil filtering units with concave cross sections and a plurality of strip-shaped second oil filtering units with convex cross sections, wherein the strip-shaped first oil filtering units are arranged side by side, the strip-shaped second oil filtering units are arranged side by side, the second oil filtering units are positioned above the first oil filtering units, and the first oil filtering units and the second oil filtering units are arranged in a staggered manner, and the filtering device is characterized in that: a strip baffle plate is further arranged between the adjacent first oil filtering unit and the second oil filtering unit, and the baffle plate is obliquely arranged: the upper side of the baffle is covered below the second oil filtering unit, and the lower side of the baffle is positioned in the opening of the first oil filtering unit, so that orthographic projections of the baffle and the baffle on the same horizontal plane all have overlapping parts and no gaps at the joint. Through set up the baffle of slope between first oil strain unit and second oil strain unit, not only can increase the area of contact of oil smoke, promote the purpose of the ability that the oil smoke was got rid of, but also can increase the interval between first oil strain unit and the second oil strain unit to reduce the windage.
Description
Technical Field
The invention relates to a filtering device, in particular to a filtering device for a range hood.
Background
With the improvement of living standard and the improvement of living quality requirements, the range hood is widely applied to families as an important electrical appliance for sucking and cleaning the oil smoke generated during cooking in the kitchen of the families. The main problem that exists at present is, at the during operation of range hood, the oil smoke through the wind channel accumulates a large amount of greasy dirt in the wind channel easily, because the greasy dirt viscosity that forms is great, hardly discharges from the air outlet in wind channel, causes the corruption of greasy dirt to the pipeline, has reduced range hood's life, has improved range hood's use and maintenance cost simultaneously, and other part is then direct outer the exhaust, contains a large amount of carcinogens and the material that the granule is greater than pm2.5 in the oil smoke and produces great influence to the environment.
In order to solve the problem, the current common practice is to arrange a fume filter at the air inlet of the range hood, and the fume filter adopts a two-layer filter plate mode to realize the filtration of the grease of the range hood through the actions of collision, speed reduction, condensation and the like with fume gas. The oil smoke separator of the range hood disclosed in China patent with the application number of 200620062667.5 comprises a frame and oil smoke baffles, wherein the upper oil smoke baffles and the lower oil smoke baffles are oppositely arranged in an up-down staggered manner, an air inlet, an air outlet and a reflective airflow channel are formed between the upper oil smoke baffles and the lower oil smoke baffles, the air inlet and the air outlet are alternately arranged, and the reflective airflow channel is connected with the air inlet and the air outlet; as another example, a smoke filter plate disclosed in chinese patent application No. 201320201333.1, the smoke filter plate comprises a front plate and a rear plate which are opposite and arranged at intervals, a plurality of first openings are formed in the front plate, front wing plates folded between the front plate and the rear plate are respectively arranged at edges of the first openings, a plurality of second openings are formed in the rear plate, rear wing plates folded between the front plate and the rear plate are respectively arranged at edges of the second openings, and any first openings and the second openings adjacent to the first openings are staggered with each other so that the front wing plates at edges of the first openings and the rear wing plates adjacent to the first openings are spaced and form air passages communicated between the first openings and the second openings, and air flow turning parts are respectively formed at two ends of the air passages.
According to the oil smoke filtering device, the two filtering plates are simply bent and then staggered to form the bent airflow channel, after oil smoke enters the airflow channel from the air inlet, the oil smoke can flow out from the air outlet only through the simple two direction changes, namely, the number of the direction changes of the oil smoke in the airflow channel is small, namely, the collision number of the oil smoke and the filtering plates is small, so that the filtering plates cannot better play an expected role in condensing the oil smoke, and a larger part of particles in the oil smoke still can be discharged out of the airflow channel along with the oil smoke and are adsorbed in the air channel of the range hood or exhausted into the external environment, so that corrosion to the air channel of the range hood or adverse effects on the environment are caused.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art and provides a filtering device for a range hood, which improves the removing capability of fume particles.
The technical scheme adopted for solving the technical problems is as follows: a filter equipment for range hood, including a plurality of strip first oil filter units that the cross-section that set up side by side is concave and a plurality of strip second oil filter units that the cross-section that set up side by side is protruding, the second oil filter unit is located first oil filter unit top, and first oil filter unit and second oil filter unit staggered arrangement, its characterized in that: a strip baffle plate is further arranged between the adjacent first oil filtering unit and the second oil filtering unit, and the baffle plate is obliquely arranged: the upper side of the baffle is covered below the second oil filtering unit, and the lower side of the baffle is positioned in the opening of the first oil filtering unit, so that orthographic projections of the baffle and the baffle on the same horizontal plane all have overlapping parts and no gaps at the joint.
Preferably, the inclined arrangement structure of the baffles is that the inclined directions of two adjacent baffles are crossed to form an inverted splayed or inverted splayed arrangement.
In order to facilitate the installation of the filtering device, the two ends of the first oil filtering unit, the second oil filtering unit and the strip baffle are all installed on the same frame.
Further, in order to increase the impact contact area of the oil smoke, a strip-shaped partition plate is arranged between two adjacent baffle plates, and the partition plate vertically extends upwards from the opening of the first oil filtering unit.
In order to keep the pressure difference of the fluid channel balanced, a certain gap is arranged between the partition plate and the first oil filtering unit.
To maximize the number of impacts that the oil smoke undergoes, the partition extends upwardly beyond the top of the second oil filter unit.
In order to ensure that the wind resistance and the contact area of the oil smoke particles reach the optimal balance, the best oil smoke particle removing capacity is obtained, and the first oil filtering unit, the second oil filtering unit, the baffle plate and the baffle plate meet the following conditions: wherein a0 is the interval between the lower side edge of the baffle and the corresponding edge of the first oil filtering unit, a1 is the width of the first oil filtering unit, a2 is the interval between the two first oil filtering units, a3 is the interval between the lower sides of two baffles on two sides of the baffle, a4 is the interval between the upper sides of two adjacent baffles between the two baffles, a5 is the width of the second oil filtering unit, and a6 is the interval between the edge tangent line of the second oil filtering unit and the baffle at the corresponding position.
Preferably, the cross section of the partition board is I-shaped, Y-shaped or T-shaped.
For the air inlet of being convenient for, increase the area of contact of oil smoke simultaneously, be connected with a plurality of ribs between two adjacent side of two first oil filter units, the rib is at the length direction on interval arrangement of first oil filter unit, constitutes the ventilation hole between two adjacent ribs.
Preferably, in order to increase the contact area of the flow path of the oil smoke through multiple bending, the section of the first oil filtering unit is in a concave arc shape or a fold line shape, and the section of the second oil filtering unit is in an upward arc shape or a fold line shape.
Compared with the prior art, the invention has the advantages that: by arranging the inclined third oil filtering units between the first oil filtering units and the second oil filtering units which are arranged in a staggered manner up and down, the contact area of oil smoke can be increased, the purpose of removing the oil smoke is improved, and the distance between the first oil filtering units and the second oil filtering units can be increased, so that wind resistance is reduced; through setting up the baffle in first oil strain unit top, can increase the impact number of times of oil smoke, further reach the purpose that reduces the resistance, promote the ability that the oil smoke got rid of.
Drawings
FIG. 1 is a schematic view of a first embodiment of a filter device according to the present invention;
FIG. 2 is a cross-sectional view of a first embodiment of the filter device of the present invention;
FIG. 3 is an enlarged partial schematic view of the cross-sectional view of FIG. 2;
FIG. 4 is a cross-sectional view (in reverse) of a first embodiment of the filter device of the present invention;
FIG. 5 is an enlarged partial schematic view of the cross-sectional view of FIG. 4;
FIG. 6 is a schematic cross-sectional view of a first embodiment of the filter device of the present invention;
fig. 7 is a schematic view of a soot flow path of a first embodiment of the filtering apparatus of the present invention;
fig. 8 is a schematic cross-sectional view of a second embodiment of the filter device of the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
Example 1
Referring to fig. 1 to 7, a filtering apparatus for a range hood, provided at an air inlet of the range hood, includes a frame 1, a strip-shaped first oil filtering unit 2 and a strip-shaped second oil filtering unit 3, wherein the first oil filtering unit 2 includes a plurality of the second oil filtering units 3 arranged side by side in the frame 1, and the second oil filtering unit 3 also includes a plurality of the first oil filtering units arranged side by side in the frame 1. For convenience of description, the direction of the oil fume entering is taken as the lower part of the filtering device in fig. 1.
In this embodiment, the cross section of the first oil filtering unit 2 is in a concave arc shape, the cross section of the second oil filtering unit 3 is in an upward convex arc shape, the first oil filtering unit 2 is located below the second oil filtering unit 3, and the first oil filtering unit 2 and the second oil filtering unit 3 are arranged in a staggered manner. The first oil filtering units 2 play a role in guiding oil smoke, a plurality of ribs 21 are connected between two adjacent side edges of the two first oil filtering units 2, and the ribs 21 are arranged at intervals in the length direction of the first oil filtering units 2. A vent hole 22 is formed between two adjacent ribs 21 so that part of the oil smoke enters from the vent hole 22 and the oil is separated to be filtered when the oil smoke passes through.
A strip-shaped baffle plate 4 is further arranged between the adjacent first oil filtering unit 2 and second oil filtering unit 3, the strip-shaped baffle plate 4 is obliquely arranged, the upper side edge of the baffle plate 4 is covered below the second oil filtering unit 3, and the lower side edge of the baffle plate 4 is positioned in the opening of the first oil filtering unit 2, so that orthographic projections of the first oil filtering unit 2, the second oil filtering unit 3 and the baffle plate 4 on the same horizontal plane are all provided with overlapping parts and no gaps at the joint. The oblique directions of two adjacent baffles 4 are crossed to be arranged in an inverted splay shape or an inverted splay shape. The two ends of the strip-shaped baffle plate 4 in the length direction are also respectively connected with the frame 1. By providing the baffle plate 4, the interval between the first oil filtering unit 2 and the second oil filtering unit 3 can be increased, thereby reducing wind resistance.
A vertical partition plate 5 is arranged between two adjacent baffle plates 4, and the partition plate 5 extends vertically upwards from the opening of the first oil filtering unit 2 until the top of the second oil filtering unit 3 is exceeded. A certain gap is provided between the partition plate 5 and the first oil filtering unit 2, whereby the pressure difference of the fluid passage can be maintained in balance. The partition 5 is also strip-shaped, and both ends in the longitudinal direction thereof are connected to the frame 1. Alternatively, the cross section of the partition 5 may be Y-shaped, T-shaped, or the like.
Further, since the baffle plate 4 and the partition plate 5 are independently provided, a flow path as shown by an arrow in fig. 7 is formed, and the flow of the oil smoke is split into two after entering from below the filter device through the ventilation hole 22 at the position of the baffle plate 4. A bundle of bends upwards along the baffle plate 5 after bypassing from the lower side of the baffle plate 4 and the upper part of the first oil filtering unit 2; the other bundle passes between the upper sides of the two adjacent baffles 4, bypasses under the second oil filtering unit 3, and then goes upward along the partition 5. Therefore, the number of times of the impact of the oil smoke particles with the baffle plate 5 and the baffle plate 4 is increased, and the aims of reducing resistance and improving the oil smoke removing capacity are fulfilled.
Referring to fig. 6, the interval between the lower side edge of the baffle plate 4 and the corresponding edge of the first oil filter unit 2 is a0, and the width of the first oil filter unit 2 is a1; the distance between the two first oil filtering units 2 is a2; the space between the lower sides of the two baffles 4 at the two sides of the baffle 5 is a3; the distance between the upper sides of two adjacent baffle plates 4 between two baffle plates 5 is a4; the width of the second oil filtering unit 3 is a5; the edge tangent line of the second oil filtering unit 3 is parallel to the baffle plate 4 at the corresponding position, and the distance between the edge tangent line and the baffle plate is a6, so that wind resistance and oil smoke particles are causedThe contact area reaches the optimal balance, the best oil smoke particle removing capacity is obtained, and the parameters meet the following conditions:
example two
Referring to fig. 8, in the present embodiment, the difference from the first embodiment described above is that the first oil filtering unit 2 and the second oil filtering unit 3 are formed in concave and convex shapes, respectively, in a zigzag manner.
Claims (8)
1. A filter equipment for range hood, including a plurality of strip first oil filtering unit (2) that the cross-section that set up side by side is concave and a plurality of strip second oil filtering unit (3) that the cross-section that set up side by side is protruding, second oil filtering unit (3) are located first oil filtering unit (2) top, and first oil filtering unit (2) and second oil filtering unit (3) staggered arrangement, its characterized in that: a strip-shaped baffle plate (4) is further arranged between the adjacent first oil filtering units (2) and the second oil filtering units (3), and the baffle plate (4) is obliquely arranged: the upper side of baffle (4) is covered under second oil filtering unit (3), the lower side of baffle (4) is located first oil filtering unit (2) uncovered to make the orthographic projection of three on same horizontal plane all have overlapping portion and no gap in the handing-over department, be provided with banding baffle (5) between two adjacent baffles (4), this baffle (5) are from the vertical upwards extension of uncovered department of first oil filtering unit (2), second oil filtering unit (3), the both ends of banding baffle (4) all install on same frame (1).
2. The filter device for a range hood according to claim 1, wherein: the inclined directions of two adjacent baffles (4) are crossed to form an inverted splayed or inverted splayed arrangement.
3. The filter device for a range hood according to claim 1, wherein: a certain gap is reserved between the partition plate (5) and the first oil filtering unit (2).
4. The filter device for a range hood according to claim 1, wherein: the partition (5) extends upwards beyond the top of the second oil filter unit (3).
5. The filter device for a range hood according to claim 1, wherein: the first oil filtering unit (2), the second oil filtering unit (3), the baffle plate (4) and the baffle plate (5) meet the following conditions: wherein a0 is the interval between the lower side edge of baffle (4) and the corresponding edge of first oil filtering unit (2), a1 is the width of first oil filtering unit (2), a2 is the interval between two first oil filtering units (2), a3 is the interval between the lower side edges of two baffles (4) on two sides of baffle (5), a4 is the interval between the upper side edges of two adjacent baffles (4) between two baffles (5), a5 is the width of second oil filtering unit (3), and a6 is the interval between the edge tangent line of second oil filtering unit (3) and baffle (4) in corresponding position.
6. The filtering apparatus for a range hood according to any one of claims 1 to 5, wherein: the section of the partition board (5) is I-shaped, Y-shaped or T-shaped.
7. The filtering apparatus for a range hood according to any one of claims 1 to 5, wherein: a plurality of ribs (21) are connected between two adjacent side edges of the two first oil filtering units (2), the ribs (21) are arranged at intervals in the length direction of the first oil filtering units (2), and ventilation holes (22) are formed between the two adjacent ribs (21).
8. The filtering apparatus for a range hood according to any one of claims 1 to 5, wherein: the section of the first oil filtering unit (2) is in a concave arc shape or a fold line shape, and the section of the second oil filtering unit (3) is in an upward convex arc shape or a fold line shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022972.4A CN107191984B (en) | 2017-01-12 | 2017-01-12 | Filter device for range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022972.4A CN107191984B (en) | 2017-01-12 | 2017-01-12 | Filter device for range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107191984A CN107191984A (en) | 2017-09-22 |
| CN107191984B true CN107191984B (en) | 2023-08-18 |
Family
ID=59871938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710022972.4A Active CN107191984B (en) | 2017-01-12 | 2017-01-12 | Filter device for range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107191984B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6454825B1 (en) * | 2001-03-27 | 2002-09-24 | Alex Cheimets | Exhaust baffle filter |
| CN1416936A (en) * | 2002-12-05 | 2003-05-14 | 成都炉莱特尔净化技术实业有限公司 | Cooking fume filtering plate |
| CN2582728Y (en) * | 2002-12-05 | 2003-10-29 | 成都炉莱特尔净化技术实业有限公司 | Lampblack filtering plate |
| CN2937877Y (en) * | 2006-08-02 | 2007-08-22 | 美的集团有限公司 | Oil-fume separator of cooker hood |
| CN103900133A (en) * | 2014-03-13 | 2014-07-02 | 宁波方太厨具有限公司 | Oil filtering device and rotary collision oil filtering structure thereof |
| CN105928029A (en) * | 2016-06-24 | 2016-09-07 | 宁波方太厨具有限公司 | Multi-flow-directional filtering device used for range hood |
| CN106642256A (en) * | 2016-12-16 | 2017-05-10 | 宁波方太厨具有限公司 | Filtering device for range hood |
| CN206496391U (en) * | 2017-01-12 | 2017-09-15 | 宁波方太厨具有限公司 | A kind of filter for range hood |
| CN110631108A (en) * | 2019-10-25 | 2019-12-31 | 中山尚诚环保科技有限公司 | Plate-type oil removal net |
-
2017
- 2017-01-12 CN CN201710022972.4A patent/CN107191984B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6454825B1 (en) * | 2001-03-27 | 2002-09-24 | Alex Cheimets | Exhaust baffle filter |
| CN1416936A (en) * | 2002-12-05 | 2003-05-14 | 成都炉莱特尔净化技术实业有限公司 | Cooking fume filtering plate |
| CN2582728Y (en) * | 2002-12-05 | 2003-10-29 | 成都炉莱特尔净化技术实业有限公司 | Lampblack filtering plate |
| CN2937877Y (en) * | 2006-08-02 | 2007-08-22 | 美的集团有限公司 | Oil-fume separator of cooker hood |
| CN103900133A (en) * | 2014-03-13 | 2014-07-02 | 宁波方太厨具有限公司 | Oil filtering device and rotary collision oil filtering structure thereof |
| CN105928029A (en) * | 2016-06-24 | 2016-09-07 | 宁波方太厨具有限公司 | Multi-flow-directional filtering device used for range hood |
| CN106642256A (en) * | 2016-12-16 | 2017-05-10 | 宁波方太厨具有限公司 | Filtering device for range hood |
| CN206496391U (en) * | 2017-01-12 | 2017-09-15 | 宁波方太厨具有限公司 | A kind of filter for range hood |
| CN110631108A (en) * | 2019-10-25 | 2019-12-31 | 中山尚诚环保科技有限公司 | Plate-type oil removal net |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107191984A (en) | 2017-09-22 |
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