CN110242997B - Roof-like lampblack filter screen and filtering method - Google Patents
Roof-like lampblack filter screen and filtering method Download PDFInfo
- Publication number
- CN110242997B CN110242997B CN201910569132.9A CN201910569132A CN110242997B CN 110242997 B CN110242997 B CN 110242997B CN 201910569132 A CN201910569132 A CN 201910569132A CN 110242997 B CN110242997 B CN 110242997B
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- roof
- filter screen
- oil smoke
- tile
- tiles
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001914 filtration Methods 0.000 title claims abstract description 10
- 239000006233 lamp black Substances 0.000 title abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 22
- 239000000779 smoke Substances 0.000 claims description 44
- 239000004519 grease Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004071 soot Substances 0.000 claims 9
- 239000006096 absorbing agent Substances 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000877 morphologic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 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
- F24C15/2035—Arrangement or mounting of filters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention relates to a roof-like lampblack filter screen and a filtering method, which are mainly applied to a lampblack absorber and belong to the field of kitchen appliances. The invention comprises a front roof, a rear roof, a left roof and a right roof, wherein the front roof and the rear roof are all obliquely arranged, the top end of the front roof is fixed with the top end of the rear roof, the joint of the front roof and the rear roof is a roof eave, the left roof and the right roof are respectively fixed on two sides of the front roof and the rear roof, the joint of the left roof and the front roof and the rear roof is a left eave, the joint of the right roof and the front roof and the rear roof is a right eave, the bottoms of the front roof, the rear roof, the left roof and the right roof are respectively fixed with a bottom eave, the front roof and the rear roof are respectively provided with a tile and purlines, and the tiles and the purlines are distributed at intervals. The internal dissipation is improved, so that the oil separation degree is improved, the oil guiding performance is better, and meanwhile, the artificial engineering is also met, and the user can conveniently scrub and clean.
Description
Technical Field
The invention relates to a roof-like lampblack filter screen and a filtering method, which are mainly applied to a lampblack absorber and belong to the field of kitchen appliances.
Background
Most of the conventional filter screens in the market at present are single-layer or double-layer filter screens of dense meshes with small holes and long-strip-shaped vent holes; the small-hole dense net has the advantages that the size of the open hole is only about 1.5 mm, the processing technology is difficult, the small-hole dense net is easy to block in the use process, and parts are easy to damage due to frequent disassembly and cleaning; the rectangular shape air vent is convenient for clean, but the single-layer net grease separation degree is lower relatively, and many producer improves the grease separation degree through the overall arrangement of double-layer net, but from this leads to the increase of cost, and complete machine weight increases to owing to the difference of double-layer net design, still there is the dismantlement degree of difficulty to increase, the inner layer net is difficult to clean scheduling problem.
Moreover, most of the conventional filter screens on the market at present take a plane or a conical cambered surface as a main morphological characteristic, and the morphological characteristic has weak effect of exciting airflow disturbance.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the roof-like lampblack filter screen and the filtering method with reasonable structural design.
The technical scheme adopted by the invention for solving the problems is that the roof-like lampblack filter screen is structurally characterized in that: including preceding roof, back roof, left roof and right roof, the equal slope setting of preceding roof and back roof, the top of preceding roof is fixed with the top of back roof, and preceding roof and back roof junction be the top eaves, left side roof and right roof are fixed respectively in the both sides of preceding roof and back roof, and the junction of left side roof and preceding roof and back roof is left side eaves, the junction of right side roof and preceding roof and back roof is right side eaves, the bottom of preceding roof, back roof, left side roof and right roof is fixed with the bottom eaves, all be provided with tile and purlin on preceding roof and the back roof, the tile is arranged with the purlin interval. The roof-like lampblack filter screen is based on fully utilizing curved surface characteristics, and is combined with roof configuration, so that the smoke containing amount of a smoke collecting cavity of the lampblack absorber is increased, the smoke collecting effect of the lampblack absorber is improved, the turbulent flow of airflow can be effectively stimulated, the internal dissipation is improved, the grease separation degree is improved, the oil guiding performance is better, and meanwhile, the artificial clean is met, and the user is convenient to scrub and clean.
Further, the bottoms of the front roof, the rear roof, the left roof and the right roof form a rectangular structure, and the bottom eaves are fixed on the rectangular structure.
Further, the front roof and the rear roof are rectangular structures, and the left roof and the right roof are triangular structures.
Further, the tile is in a curved surface structure, the curved surface structure is in a sine, cosine, isosceles triangle, semicircle, ellipse or other bilateral symmetry shapes, and the purline is in a plane structure.
Further, the height difference between the tiles and the purlines is gradually increased from the top eave to the bottom eave.
Further, the bottom of the concave pit of the tile is an oil smoke collision area, and the bottom end of the purline is an oil smoke separation area.
Further, vent holes are formed in the left roof, the right roof, the tiles and the purlines.
Further, the vent holes on the left roof and the right roof are arranged in a V-shaped structure, and the vent holes on the tiles and the purlines are arranged in a strip-shaped structure.
Further, the length direction of the vent hole on the tile is perpendicular to the length direction of the tile, and the length direction of the vent hole on the purline is parallel to the length direction of the purline.
Further, another technical object of the invention is to provide a filtering method of the roof-like lampblack filter screen.
The technical purpose of the invention is achieved by the following technical scheme.
A filtering method of a roof-like lampblack filter screen comprises the following steps: tiles with smooth transition curvatures are equidistantly distributed on the front roof and the rear roof, when oil smoke enters pits of the tiles, the symmetrically distributed pits guide the oil smoke into an oil smoke opposite impact area, so that air flow turbulence is improved, and oil separation degree is improved; at the purline position, part of vacated oil smoke is introduced into the tile at the position to realize oil smoke separation, and the other part enters the back of the tile through the vent hole on the tile, and the outer surface of the tile to which the oil smoke is attached is separated due to the coanda effect, so that the increase of the turbulence degree of an oil smoke mixture is promoted, the internal dissipation is enhanced, and the oil separation degree is improved; equidistant distributed purlins, the grease of condensation flows into the oil groove along the vent hole on the purlin.
Compared with the prior art, the invention has the following advantages: the roof-like oil smoke filter screen is applied to a range hood, is arranged at an air inlet of the range hood, and mainly purifies oil smoke entering the inside of a fan system case once. The roof-like lampblack filter screen is mainly based on curved surface structural features and is designed by combining with roof configuration, grease separation degree is improved through the curved surface features, and air performance and noise can be synchronously improved through controlling ventilation area.
Drawings
Fig. 1 is a schematic diagram of a front view structure of a roof-like oil smoke filter screen according to an embodiment of the invention.
Fig. 2 is a schematic diagram of a right-side view structure of a roof-like oil smoke filter screen according to an embodiment of the invention.
Fig. 3 is an enlarged schematic view of the structure of the section I in fig. 2.
Fig. 4 is a schematic top view structure of a roof-like oil smoke filter screen according to an embodiment of the invention.
Fig. 5 is a schematic perspective view of a roof-like oil smoke filter screen according to an embodiment of the invention.
Fig. 6 is a schematic perspective view of a roof-like oil smoke filter screen according to an embodiment of the invention.
In the figure: front roof 1, back roof 2, left roof 3, right roof 4, left side eaves 5, right side eaves 6, top eaves 7, bottom eaves 8, tile 9, purlin 10, vent 11, pit 12.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and not limited to the following examples.
Examples
Referring to fig. 1 to 6, it should be understood that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are shown only for the purpose of understanding and reading by those skilled in the art, and are not intended to limit the applicable limitations of the present invention, so that any structural modification, change in proportion, or adjustment of size does not have any technical significance, and all fall within the scope of the technical content of the present invention without affecting the efficacy and achievement of the present invention. In the present specification, the terms "upper", "lower", "left", "right", "middle" and "a" are used for descriptive purposes only and are not intended to limit the scope of the invention, but are also intended to be within the scope of the invention without any substantial modification to the technical content.
The imitative roof oil smoke filter screen in this embodiment, including preceding roof 1, back roof 2, left roof 3 and right roof 4, preceding roof 1 and back roof 2 are rectangle structure, and left roof 3 and right roof 4 are triangle-shaped structure, and preceding roof 1 and back roof 2 all slope setting, and the top of preceding roof 1 is fixed with the top of back roof 2, and preceding roof 1 is eave 7 with back roof 2 junction.
The left roof 3 and the right roof 4 in this embodiment are respectively fixed on two sides of the front roof 1 and the rear roof 2, the connection between the left roof 3 and the front roof 1 and the rear roof 2 is a left eave 5, the connection between the right roof 4 and the front roof 1 and the rear roof 2 is a right eave 6, the bottoms of the front roof 1, the rear roof 2, the left roof 3 and the right roof 4 are fixed with bottom eaves 8, in general, the bottoms of the front roof 1, the rear roof 2, the left roof 3 and the right roof 4 form a rectangular structure, and the bottom eaves 8 are fixed on the rectangular structure.
All be provided with tile 9 and purlin 10 on preceding roof 1 and the back roof 2 in this embodiment, tile 9 and purlin 10 interval are arranged, tile 9 is curved surface structure setting, be curved surface structure and be sine, cosine, isosceles triangle, semicircle, oval or other bilateral symmetry shape, purlin 10 is planar structure setting, the difference in height between tile 9 and the purlin 10, by top eaves 7 to bottom eaves 8 increase gradually, the pit 12 bottom of tile 9 is the oil smoke and clashes the district, pit 12 is located the bottom of tile 9, the bottom of purlin 10 is the oil smoke separation district.
The vent holes 11 are formed in the left roof 3, the right roof 4, the tiles 9 and the purlines 10 in the embodiment, the vent holes 11 in the left roof 3 and the right roof 4 are in V-shaped structure, the vent holes 11 in the tiles 9 and the purlines 10 are in strip-shaped structure, the length direction of the vent holes 11 in the tiles 9 is perpendicular to the length direction of the tiles 9, and the length direction of the vent holes 11 in the purlines 10 is parallel to the length direction of the purlines 10.
The filtering method of the roof-imitating lampblack filter screen in the embodiment is as follows: tiles 9 with smooth transition curvatures are equidistantly distributed on the front roof 1 and the rear roof 2, when oil smoke enters pits 12 of the tiles 9, the symmetrically distributed pits 12 guide the oil smoke into an oil smoke opposite impact area, so that air flow turbulence is improved, and the oil separation degree is improved; at the position of purlines 10, part of vacated oil smoke is introduced into the tile 9 at the position to realize oil smoke separation, and the other part enters the back of the tile 9 through the vent holes 11 on the tile 9, so that the oil smoke is attached to the outer surface of the tile 9 for separation due to the coanda effect, and the oil smoke mixture turbulence degree is promoted to be increased due to the full separation of the oil smoke, the internal dissipation is enhanced, and the oil separation degree is improved; the purlins 10 are equally spaced, and the condensed grease flows into the oil sump along the vent holes 11 on the purlins 10.
Wherein left roof 3 and right roof 4 vertical distribution, equidistant a plurality of purlins 10 on preceding roof 1 and the back roof 2, distribute tile 9 between the adjacent purlin 10, the curvature of tile 9 increases from top eaves 7 to bottom eaves 8 gradually in the designed structure, presents smooth curved surface transition.
The purlines 10 are equally spaced with elongated vent holes 11 aligned with the longitudinal direction of the purlines 10, the tiles 9 are equally spaced with elongated vent holes 11 perpendicular to the longitudinal direction of the tiles 9, and the left roof 3 and the right roof 4 are equally spaced with V-shaped vent holes 11, as shown in fig. 1.
The specific structural parameters of the roof-like lampblack filter screen are shown in figure 1: wherein A1=B1+C1, A2=B2+C2, G=2F, 20 DEG is greater than or equal to B1=B2 is greater than or equal to 0 DEG, 20 DEG is greater than or equal to C1=C2 is greater than or equal to 0 DEG, 180 DEG is greater than or equal to E is greater than or equal to 0 DEG, 35mm is greater than or equal to 0.5mm,20mm is greater than or equal to D1 is greater than or equal to 1mm,20mm is greater than or equal to D2 is greater than or equal to 1mm,20mm is greater than or equal to D1/D2 is greater than or equal to 1mm,5mm is greater than or equal to D3/D4 is greater than or equal to 1mm,10mm is greater than or equal to 0.5mm,90mm is greater than or equal to D3 is greater than or equal to 0mm.
Preferably, when b1=b2=10°, c1=c2=10°, h=80 mm, e=120°, f=20 mm, d2=3 mm, and d1=5 mm, the air performance and noise are not attenuated compared with the prototype, and the oil separation degree reaches 93%.
The roof-like lampblack filter screen is based on fully utilizing the curved surface characteristics, and is combined with the roof configuration, so that the smoke containing capacity of the smoke collecting cavity of the lampblack absorber is increased, the smoke collecting effect of the lampblack absorber is improved, the turbulent flow of air flow can be effectively stimulated, the internal dissipation is improved, the grease separation degree is improved, the oil guiding performance is better, and meanwhile, the artificial engineering is met, and the lampblack filter screen is convenient for users to scrub and clean; the roof-like lampblack filter screen is simple in structure, is installed at the air inlet of the lampblack absorber through the installation inserting piece and the installation screw hole, is manufactured through the forming and blanking process, and is very simple in manufacturing process.
In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present invention. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The roof-like oil smoke filter screen is characterized in that: including preceding roof (1), back roof (2), left roof (3) and right roof (4), the equal slope of preceding roof (1) and back roof (2) sets up, the top of preceding roof (1) is fixed with the top of back roof (2), and preceding roof (1) is roof eaves (7) with back roof (2) junction, both sides at preceding roof (1) and back roof (2) are fixed respectively to left roof (3) and right roof (4), and the junction of left roof (3) and preceding roof (1) and back roof (2) is left eaves (5), right roof (4) is right eaves (6) with preceding roof (1) and back roof (2), the bottom of preceding roof (1), back roof (2), left roof (3) and right roof (4) is fixed with end eaves (8), all be provided with tile (9) and purlin (10) on preceding roof (1) and back roof (2), tile (9) are arranged with purlin (10) interval.
2. The roof-like soot filter screen of claim 1, wherein: the bottoms of the front roof (1), the rear roof (2), the left roof (3) and the right roof (4) form a rectangular structure, and the bottom eave (8) is fixed on the rectangular structure.
3. The roof-like soot filter screen of claim 1, wherein: the front roof (1) and the rear roof (2) are rectangular structures, and the left roof (3) and the right roof (4) are triangular structures.
4. The roof-like soot filter screen of claim 1, wherein: the tile (9) is arranged in a curved surface structure, the curved surface structure is in a sine, cosine, isosceles triangle, semicircle, ellipse or bilateral symmetry shape, and the purline (10) is arranged in a plane structure.
5. The roof-like soot filter screen of claim 1, wherein: the height difference between the tile (9) and the purline (10) gradually increases from the top eave (7) to the bottom eave (8).
6. The roof-like soot filter screen of claim 1, wherein: the bottom of the pit (12) of the tile (9) is an oil smoke collision area, and the bottom end of the purline (10) is an oil smoke separation area.
7. The roof-like soot filter screen of claim 1, wherein: and vent holes (11) are formed in the left roof (3), the right roof (4), the tiles (9) and the purlines (10).
8. The roof-like soot filter screen of claim 7, wherein: the vent holes (11) on the left roof (3) and the right roof (4) are arranged in a V-shaped structure, and the vent holes (11) on the tiles (9) and the purlines (10) are arranged in a strip-shaped structure.
9. The roof-like soot filter screen of claim 7, wherein: the length direction of the vent holes (11) on the tiles (9) is perpendicular to the length direction of the tiles (9), and the length direction of the vent holes (11) on the purlines (10) is parallel to the length direction of the purlines (10).
10. A method of filtering a roof-like soot filter according to any one of claims 1 to 9, characterized in that: the filtering method comprises the following steps: tiles (9) with smooth transition curvatures are equidistantly distributed on the front roof (1) and the rear roof (2), when oil smoke enters pits (12) of the tiles (9), the symmetrically distributed pits (12) guide the oil smoke into an oil smoke opposite impact area, so that air flow turbulence is improved, and the oil separation degree is improved; at the purline (10), part of vacated oil smoke is introduced into the tile (9) at the position, so that oil smoke separation is realized, the other part of vacated oil smoke enters the back of the tile (9) through the vent hole (11) on the tile (9), and the oil smoke is attached to the outer surface of the tile (9) for separation due to the coanda effect, so that the increase of the turbulence of an oil smoke mixture is promoted, the internal dissipation is enhanced, and the oil separation degree is improved; the purlins (10) are distributed at equal intervals, and condensed grease flows into the oil groove along the vent holes (11) on the purlins (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569132.9A CN110242997B (en) | 2019-06-27 | 2019-06-27 | Roof-like lampblack filter screen and filtering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569132.9A CN110242997B (en) | 2019-06-27 | 2019-06-27 | Roof-like lampblack filter screen and filtering method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110242997A CN110242997A (en) | 2019-09-17 |
| CN110242997B true CN110242997B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910569132.9A Active CN110242997B (en) | 2019-06-27 | 2019-06-27 | Roof-like lampblack filter screen and filtering method |
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| CN (1) | CN110242997B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW386598U (en) * | 1998-03-31 | 2000-04-01 | Jou Yu Jiu | Smoke collecting device for vertical or slant smoke exhausting machine |
| CN201448907U (en) * | 2009-06-18 | 2010-05-05 | 海尔集团公司 | Intake air filtering board for smoke ventilator |
| CN206377720U (en) * | 2016-12-22 | 2017-08-04 | 创尔特热能科技(中山)有限公司 | Filter screen of range hood |
| CN108204617A (en) * | 2016-12-17 | 2018-06-26 | 宁波方太厨具有限公司 | A kind of oil cleaner screen and the range hood for being equipped with the oil cleaner screen |
| CN108204618A (en) * | 2016-12-17 | 2018-06-26 | 宁波方太厨具有限公司 | A kind of oil cleaner screen and the range hood for being equipped with the oil cleaner screen |
| CN210532484U (en) * | 2019-06-27 | 2020-05-15 | 杭州德意电器股份有限公司 | Roof-like oil smoke filter screen |
-
2019
- 2019-06-27 CN CN201910569132.9A patent/CN110242997B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW386598U (en) * | 1998-03-31 | 2000-04-01 | Jou Yu Jiu | Smoke collecting device for vertical or slant smoke exhausting machine |
| CN201448907U (en) * | 2009-06-18 | 2010-05-05 | 海尔集团公司 | Intake air filtering board for smoke ventilator |
| CN108204617A (en) * | 2016-12-17 | 2018-06-26 | 宁波方太厨具有限公司 | A kind of oil cleaner screen and the range hood for being equipped with the oil cleaner screen |
| CN108204618A (en) * | 2016-12-17 | 2018-06-26 | 宁波方太厨具有限公司 | A kind of oil cleaner screen and the range hood for being equipped with the oil cleaner screen |
| CN206377720U (en) * | 2016-12-22 | 2017-08-04 | 创尔特热能科技(中山)有限公司 | Filter screen of range hood |
| CN210532484U (en) * | 2019-06-27 | 2020-05-15 | 杭州德意电器股份有限公司 | Roof-like oil smoke filter screen |
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| Publication number | Publication date |
|---|---|
| CN110242997A (en) | 2019-09-17 |
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Address after: 311215 No.98, Hongxing Road, Qiaonan block, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Deyi Zhijia Co.,Ltd. Address before: 311215 No.98, Hongxing Road, Qiaonan block, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant before: HANGZHOU DE&E ELECTRICAL Co.,Ltd. |
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