CN110131763B - Range hood with self-cleaning function and cleaning method thereof - Google Patents
Range hood with self-cleaning function and cleaning method thereof Download PDFInfo
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- CN110131763B CN110131763B CN201910309567.XA CN201910309567A CN110131763B CN 110131763 B CN110131763 B CN 110131763B CN 201910309567 A CN201910309567 A CN 201910309567A CN 110131763 B CN110131763 B CN 110131763B
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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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- 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
- F24C15/2057—Removing cooking fumes using a cleaning liquid
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
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Abstract
The invention relates to a range hood with a self-cleaning function and a cleaning method thereof, and the range hood comprises a shell and a filter screen, wherein the shell is provided with an air inlet, the filter screen is arranged on the air inlet, the filter screen is made of a material which can supply oil smoke to pass through and adsorb oil particles in the oil smoke, the filter screen is formed into a foldable wavy structure, and the shell is also provided with a driving mechanism which can drive the filter screen to be folded or extended so as to extrude out oil stains accumulated in the filter screen. The filter screen is made of a material which can supply oil smoke and adsorb oil particles in the oil smoke, and has a foldable wavy structure, and after the range hood is used, the filter screen is folded or stretched by using the driving mechanism, so that oil stains accumulated in the filter screen are discharged, the filter screen is kept at a better cleanliness all the time, and the filtering performance of the range hood is improved.
Description
Technical Field
The invention relates to a range hood with a self-cleaning function and a cleaning method thereof.
Background
The self-cleaning technology of the existing range hood mainly cleans a volute and an impeller of the range hood, for example, in an invention patent with the application number of CN201610790285, ultrasonic vibrators are used for cleaning the impeller, the volute and other parts. However, the impeller volute needs to be soaked, which easily causes short circuit of the motor; meanwhile, the long-term vibration of the ultrasonic vibrator is easy to shake off the paint blocks on the surfaces of the impellers, dynamic balance is affected, assembling gaps among the motor impellers are easily increased, and potential safety hazards exist.
Chinese utility model patent No. CN 204285570U entitled "a rotating centrifugal oil-fume separation device" (application No. 201420732722.1) discloses a structure, which includes a rotating net disk and a wind wheel, the rotating net disk is installed at the wind wheel wind inlet, the edge of the rotating net disk is connected with the edge of the front ring of the wind wheel or the center of the rotating net disk is connected with the center of the wind wheel or the rotating net disk and the front ring of the wind wheel are integrally formed, the structure can realize oil-fume purification to a certain extent, however, in the using process, the grease adhered on the rotating net disk is naturally removed by the centrifugal action, and the grease adhered on the rotating net disk inevitably can be adhered to the rotating centrifugal oil-fume separation device after long-time use, thereby affecting the filtering performance of the rotating net disk. The invention patent with the application number of CN201710090668 adopts a steam spraying mode to clean the filter screen, and an additional cleaning module is added in the scheme, so that the cost is increased, and the reliability is reduced; meanwhile, the power of the additional module is limited, the cleaning force of the scheme is small, and the cleaning is not thorough.
Moreover, the above existing filter screen self-cleaning structure is all cleaned aiming at the filter screen installed at the air inlet of the fan, and cannot be cleaned aiming at the filter screen at the air inlet of the smoke collecting hood, and in practical application, the filter screen at the air inlet of the smoke collecting hood contacts with oil smoke particles first, so that the accumulated dirt is easier, and if the filter screen is not cleaned for a long time, the filter performance of the range hood is easily influenced.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a range hood with a self-cleaning function, which extrudes accumulated oil in a filter screen in a folding and extruding mode so as to keep the filter screen clean and improve the filtering performance.
The invention provides a cleaning method of a range hood with a self-cleaning function, aiming at the current situation of the prior art, the method can discharge oil smoke from a filter screen in time, thereby keeping the filter screen clean and improving the filtering performance of the range hood.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a range hood with self-cleaning function, includes casing and filter screen, the casing has the air intake, the filter screen is located on this air intake, its characterized in that: the filter screen adopts the material preparation that can the fuel feeding cigarette pass through and carry out absorption to the oil granule in the oil smoke, the filter screen takes shape to folding wavy structure, thereby still be provided with on the casing and drive the filter screen folding or extend the actuating mechanism who extrudees out the greasy dirt that accumulates in the filter screen.
Preferably, the filter screen extends transversely in the air inlet, the rear edge of the filter screen is constrained on the rear edge of the air inlet, and the driving mechanism is connected with the front edge of the filter screen and is used for driving the filter screen to fold or extend back and forth. Because the oil cup is generally transversely arranged at the rear edge below the air inlet, the oil cup with the structure is convenient for discharging oil dirt discharged from the filter screen into the oil cup in time.
Preferably, the casing is provided with a U-shaped groove extending from front to back and having opposite openings at two side edges of the air inlet, and the two side edges of the filter screen are constrained in the corresponding U-shaped groove. The U-shaped groove can restrain the folding direction of the filter screen so as to avoid the filter screen from deviating and influencing the filtration of oil smoke.
In the above scheme, actuating mechanism include crossbeam, first connecting rod, second connecting rod and driving piece, the crossbeam is located the front edge of filter screen and transversely extends along the filter screen front edge, first connecting rod and second connecting rod cross arrangement and rotate at the intersection and be connected, the rear end of first connecting rod can be set up the nearly first end department of crossbeam with rotating, the rear end of second connecting rod can rotate and transversely move and set up the nearly second end department of crossbeam, the front end of first connecting rod can rotate and transversely move and set up the nearly second end department of air intake front edge, the front end of second connecting rod can rotate and set up the nearly first end department of air intake front edge with rotating, the driving piece is connected with first connecting rod and/or second connecting rod and is used for driving first connecting rod and second connecting rod relative rotation. By adopting the structure, the first connecting rod or the second connecting rod is pushed and pulled, the cross angle of the first connecting rod relative to the second connecting rod is adjusted, so that the filter screen is folded or extended, and the structure is simple and convenient to operate.
In order to facilitate assembly and connection, a first shaft hole is formed in the position, close to the first end, of the cross beam, and correspondingly, a first rotating shaft capable of being rotatably inserted into the first shaft hole is arranged at the rear end of the first connecting rod. The beam is provided with a first sliding groove extending along the transverse direction at the position close to the second end, and correspondingly, the rear end of the second connecting rod is provided with a second rotating shaft which can rotate and slide back and forth along the first sliding groove and is inserted in the first sliding groove. And a third shaft hole arranged close to the first end is formed in the shell at the front edge of the air inlet, and correspondingly, a third rotating shaft capable of being rotatably inserted into the third shaft hole is arranged at the front end of the second connecting rod. A second sliding groove extending along the transverse direction is formed in the position, close to the second end, of the shell at the front edge of the air inlet, and correspondingly, a fourth rotating shaft which can rotate and is inserted into the second sliding groove and can slide back and forth along the second sliding groove is arranged at the front end of the first connecting rod.
Preferably, the driving member includes a first driving member and a second driving member, the first driving member is disposed at a first side of the air inlet, and an output end of the first driving member is connected with the third rotating shaft through a first pulling rope, the second driving member is disposed at a second side of the air inlet, and an output shaft of the second driving member is connected with the third rotating shaft through a second pulling rope. With such a structure, independent control of the folding or unfolding of the screen is facilitated.
As an improvement, the range hood further comprises a steam supply device capable of spraying steam to the filter screen, the steam supply device at least comprises an atomizing device and a spray arm, the atomizing device is connected with the cleaning source and is used for atomizing the cleaning source, the spray arm is arranged above the air inlet and transversely arranged along the filter screen, the spray arm is provided with an inner cavity connected with the atomizing device, and the lower wall surface of the spray arm is provided with a plurality of spray holes communicated with the inner cavity. Because the oil smoke absorbed by the filter screen has certain viscosity, if the oil smoke is not chemically decomposed, the oil smoke is difficult to be completely discharged from the filter screen, the structure is adopted, the detergent is uniformly distributed in the filter screen, the filter screen is folded and stretched to extrude the oil smoke, namely, the filter screen is rubbed at one time, the oil smoke is decomposed, and the decomposed oil stain is discharged at the other time, so that the cleanliness of the filter screen is improved, and the purification effect of the range hood is further improved.
Preferably, the air inlet is further provided with a metal filter screen positioned below the filter screen. This metal filters screen is similar with the filter screen structure among the prior art, can carry out prefilter to the lampblack absorber to improve oil smoke filter effect.
The cleaning method of the range hood with the self-cleaning function is characterized by comprising the following steps of:
when the range hood stops operating, the atomization device atomizes the cleaning liquid and sprays the cleaning liquid to the filter screen through the spray arm, and the filter screen absorbs the atomized cleaning liquid;
the driving mechanism drives the filter screen to fold and extend back and forth in a reciprocating manner, so that the cleaning solution and the oil stains in the filter screen are mixed and cleaned and discharged under the extrusion of the filter screen.
Compared with the prior art, the invention has the advantages that: the filter screen is made of a material which can supply oil smoke and adsorb oil particles in the oil smoke, and has a foldable wavy structure, and after the range hood is used, the filter screen is folded or stretched by using the driving mechanism, so that oil stains accumulated in the filter screen are discharged, the filter screen is kept at a better cleanliness all the time, and the filtering performance of the range hood is improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the metal screen hidden in FIG. 1 (the screen is in an extended state);
FIG. 3 is a schematic view of a portion of the structure of an embodiment of the present invention (with the screen in an extended state);
FIG. 4 is a schematic view of a portion of the structure of FIG. 3;
FIG. 5 is a schematic structural view of a steam supplying apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a half-folded filter screen according to an embodiment of the present invention;
FIG. 7 is a schematic view of the driving mechanism of FIG. 6 in an assembled relationship with a filter screen;
fig. 8 is a schematic structural view of fig. 7 at another angle.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 8, the range hood with self-cleaning function of the present embodiment includes a housing 1 and a filter screen 2, the housing 1 has an air inlet 11, and the filter screen 2 is disposed on the air inlet 11. The filter screen 2 of this embodiment is made of a material that can allow oil smoke to pass through and adsorb oil particles in the oil smoke, and the material may be porous filter cotton, which is sheet-shaped and is folded at a folding position in advance in order to facilitate folding. The filter screen 2 is formed into a foldable wavy structure, and the shell 1 is also provided with a driving mechanism 3 which can drive the filter screen 2 to fold or extend so as to extrude out the oil dirt accumulated in the filter screen 2.
The air inlet 11 of this embodiment is further provided with a metal filter screen 6 located below the filter screen 2. This metal filters 6 is similar with the filter screen structure among the prior art, can carry out prefilter to the lampblack absorber to improve oil smoke filter effect.
In the present embodiment, the filter net 2 extends transversely in the air inlet 11, the rear edge of the filter net 2 is constrained to the rear edge of the air inlet 11, and the driving mechanism 3 is connected to the front edge of the filter net 2 and is used for driving the filter net 2 to fold or extend back and forth. Because the oil cup 4 is generally transversely arranged at the rear edge below the air inlet 11, the oil cup 4 can discharge the oil stain discharged from the filter screen 2 into the oil cup conveniently in time by adopting the structure. The casing 1 is correspondingly provided with U-shaped grooves 12 which extend forwards and backwards and are oppositely arranged in the opening at the edges of two sides of the air inlet 11, and the edges of two sides of the filter screen 2 are restrained in the corresponding U-shaped grooves 12. The U-shaped groove 12 can restrict the folding direction of the filter screen 2, so as to avoid the filter screen 2 from deviating to influence the filtering of the oil smoke.
Specifically, the driving mechanism 3 includes a cross beam 31, a first connecting rod 32, a second connecting rod 33 and a driving member, the cross beam 31 is disposed at the front edge of the filter screen 2 and extends transversely along the front edge of the filter screen 2, the first connecting rod 32 and the second connecting rod 33 are arranged crosswise and hinged at the intersection, the rear end of the first connecting rod 32 is rotatably disposed near the first end of the cross beam 31, the rear end of the second connecting rod 33 is rotatably and transversely movably disposed near the second end of the cross beam 31, the front end of the first connecting rod 32 is rotatably and transversely movably disposed near the second end of the front edge of the air inlet 11, the front end of the second connecting rod 33 is rotatably disposed near the first end of the front edge of the air inlet 11, wherein the first end of the cross beam 31 corresponds to the first end of the air inlet 11 front-to-back, and the second end of the cross beam 31 corresponds to the second end of the air inlet 11 front-to-. The driving member is used for driving the first link 32 and the second link 33 to rotate relatively. The first connecting rod 32 or the second connecting rod 33 is pushed and pulled, and the crossing angle of the first connecting rod 32 relative to the second connecting rod 33 is adjusted, so that the filter screen 2 is folded or extended, and the structure is simple and the operation is convenient.
In this embodiment, for the convenience of assembly and connection, the cross beam 31 is opened with a first shaft hole 311 near the first end, and correspondingly, the rear end of the first link 32 is provided with a first rotating shaft 321 rotatably inserted in the first shaft hole 311. The cross beam 31 has a first sliding slot 312 extending along the transverse direction near the second end, and correspondingly, the rear end of the second link 33 is provided with a second rotating shaft 331 capable of rotating and sliding back and forth along the first sliding slot 312 and inserted into the first sliding slot 312. The housing 1 at the front edge of the air inlet 11 is provided with a third shaft hole 13 disposed near the first end, and correspondingly, the front end of the second connecting rod 33 is provided with a third rotating shaft 332 rotatably inserted in the third shaft hole 13. A second sliding groove 14 extending in the transverse direction is formed on the housing 1 near the second end at the front edge of the air inlet 11, and correspondingly, the front end of the first link 32 is provided with a fourth rotating shaft 322 inserted in the second sliding groove 14 and capable of rotating and sliding back and forth along the second sliding groove 14. The driving member of this embodiment includes first driving member 34 and second driving member 35, first driving member 34 and second driving member 35 of this embodiment are the motors, first driving member 34 is located the first side of air intake 11, be located the left side of air intake 11 promptly, the output of first driving member 34 is connected with third pivot 332 through first haulage rope 341, second driving member 35 is located the second side of air intake 11, be located the right side of air intake 11 promptly, the output shaft of second driving member 35 is connected with third pivot 332 through second haulage rope 351, so that the folding or the extension of independent control filter screen 2.
The air inlet 11 of the housing 1 of this embodiment is provided with a square mounting frame 10, the filter screen 2 is installed in the mounting frame 10, the U-shaped groove 12 is formed in the inner side wall of the mounting frame 10, and the third shaft hole 13 and the second chute 14 are formed in the front frame of the mounting frame 10.
The range hood of the embodiment further includes a steam supply device 5 capable of spraying steam to the filter screen 2, the steam supply device 5 at least includes an atomizing device 51 and a spray arm 52, the atomizing device 51 is connected with the cleaning source and is used for atomizing the cleaning source, the spray arm 52 is disposed above the air inlet 11 and is transversely arranged along the filter screen 2, the spray arm 52 has an inner cavity connected with the atomizing device 51, and a lower wall surface of the spray arm 52 is provided with a plurality of spray holes 521 communicated with the inner cavity. Because the oil smoke that is adsorbed into by filter screen 2 has certain viscosity, if do not carry out the chemical decomposition with the oil smoke and hardly discharge from filter screen 2 completely, adopt above-mentioned structure, earlier with detergent evenly distributed in filter screen 2, fold, extend at filter screen 2 and carry out the extrusion in-process to the oil smoke, rub filter screen 2 on one side equivalently, make the oil smoke decompose, discharge the greasy dirt that decomposes on one side to improve filter screen 2's cleanliness, and then improve range hood's purifying effect.
The cleaning method of the range hood with the self-cleaning function comprises the following steps:
when the range hood stops operating, the atomization device 51 atomizes the cleaning liquid and sprays the cleaning liquid to the filter screen 2 through the spray arm 52, and the filter screen 2 absorbs the atomized cleaning liquid; the second driving part 35 applies force to the second connecting rod 33 to increase the crossing degree between the first connecting rod 32 and the second connecting rod 33, the filter screen 2 is folded, the first driving part 34 applies force to the second connecting rod 33 to reduce the crossing degree between the first connecting rod 32 and the second connecting rod 33, the filter screen 2 is extended, the folding and extending actions of the filter screen 2 are carried out in a reciprocating mode, cleaning liquid and oil stains in the filter screen 2 are mixed and cleaned and discharged under the extrusion of the filter screen 2, so that the filter screen 2 is kept at a better cleanliness all the time, and the filtering performance of the range hood is improved.
Claims (10)
1. The utility model provides a range hood with self-cleaning function, includes casing (1) and filter screen (2), casing (1) has air intake (11), on this air intake (11) was located in filter screen (2), its characterized in that: the filter screen (2) is made of a material which can be used for oil smoke to pass through and can adsorb oil particles in the oil smoke, the filter screen (2) is formed into a foldable wavy structure, and the shell (1) is also provided with a driving mechanism (3) which can drive the filter screen (2) to be folded or extended so as to extrude out oil stains accumulated in the filter screen (2);
the driving mechanism (3) comprises a cross beam (31), a first connecting rod (32), a second connecting rod (33) and a driving piece, wherein the cross beam (31) is arranged at the front edge of the filter screen (2) and transversely extends along the front edge of the filter screen (2), the first connecting rod (32) and the second connecting rod (33) are arranged in a cross way and are rotatably connected at the cross place, the rear end of the first connecting rod (32) is rotatably arranged at the position, close to the first end, of the cross beam (31), the rear end of the second connecting rod (33) is rotatably and transversely movably arranged at the position, close to the second end, of the cross beam (31), the front end of the first connecting rod (32) is rotatably and transversely movably arranged at the position, close to the second end, of the front edge of the air inlet (11), the front end of the second connecting rod (33) is rotatably arranged at the position, close to the first end, of the front edge of the air inlet (11), and the driving piece is connected with the first connecting rod (32) and/or the second connecting rod (33) and is used for driving the first And (4) relatively rotating.
2. The range hood with self-cleaning function of claim 1, wherein: the filter screen (2) transversely extends in the air inlet (11), the rear edge of the filter screen (2) is restrained on the rear edge of the air inlet (11), and the driving mechanism (3) is connected with the front edge of the filter screen (2) and used for driving the filter screen (2) to fold or extend forwards and backwards.
3. The range hood with self-cleaning function according to claim 2, wherein: casing (1) correspond at the both sides edge of air intake (11) and are provided with front and back extension and opening U-shaped groove (12) of relative arrangement, the both sides edge restraint of filter screen (2) is in corresponding U-shaped groove (12).
4. The range hood with self-cleaning function of claim 1, wherein: the cross beam (31) is provided with a first shaft hole (311) at a position close to the first end, and correspondingly, the rear end of the first connecting rod (32) is provided with a first rotating shaft (321) which can be rotatably inserted into the first shaft hole (311).
5. The range hood with self-cleaning function according to claim 4, wherein: a first sliding groove (312) extending along the transverse direction is formed in the position, close to the second end, of the cross beam (31), and correspondingly, a second rotating shaft (331) which can rotate and is inserted into the first sliding groove (312) in a reciprocating sliding mode along the first sliding groove (312) is arranged at the rear end of the second connecting rod (33).
6. The range hood with self-cleaning function according to claim 5, wherein: a third shaft hole (13) which is arranged close to the first end is formed in the shell (1) at the front edge of the air inlet (11), and correspondingly, a third rotating shaft (332) which can be rotatably inserted into the third shaft hole (13) is arranged at the front end of the second connecting rod (33).
7. The range hood with self-cleaning function of claim 6, wherein: a second sliding groove (14) extending along the transverse direction is formed in the position, close to the second end, of the shell (1) at the front edge of the air inlet (11), and correspondingly, a fourth rotating shaft (322) which can rotate and is inserted into the second sliding groove (14) in a reciprocating sliding mode along the second sliding groove (14) is arranged at the front end of the first connecting rod (32).
8. The range hood with self-cleaning function of claim 7, wherein: the driving piece comprises a first driving piece (34) and a second driving piece (35), the first driving piece (34) is arranged on the first side of the air inlet (11) and the output end of the first driving piece is connected with the third rotating shaft (332) through a first traction rope (341), the second driving piece (35) is arranged on the second side of the air inlet (11) and the output shaft of the second driving piece is connected with the third rotating shaft (332) through a second traction rope (351).
9. The range hood with self-cleaning function according to any one of claims 1 to 8, wherein: the steam spraying device comprises a steam supply device (5) capable of spraying steam to a filter screen (2), wherein the steam supply device (5) at least comprises an atomizing device (51) and a spraying arm (52), the atomizing device (51) is connected with a cleaning source and is used for atomizing the cleaning source, the spraying arm (52) is arranged above an air inlet (11) and transversely arranged along the filter screen (2), the spraying arm (52) is provided with an inner cavity connected with the atomizing device (51), and the lower wall surface of the spraying arm (52) is provided with a plurality of spraying holes (521) communicated with the inner cavity.
10. A method for cleaning a range hood having a self-cleaning function as claimed in claim 9, comprising the steps of:
under the condition that the range hood stops operating, the atomization device (51) atomizes the cleaning liquid and sprays the cleaning liquid to the filter screen (2) through the spray arm (52), and the filter screen (2) adsorbs the atomized cleaning liquid;
the driving mechanism (3) drives the filter screen (2) to fold and extend back and forth in a reciprocating manner, so that the washing liquid and the oil stain in the filter screen (2) are mixed and cleaned and are discharged under the extrusion of the filter screen (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910309567.XA CN110131763B (en) | 2019-04-17 | 2019-04-17 | Range hood with self-cleaning function and cleaning method thereof |
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| CN201910309567.XA CN110131763B (en) | 2019-04-17 | 2019-04-17 | Range hood with self-cleaning function and cleaning method thereof |
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| CN110131763B true CN110131763B (en) | 2020-08-21 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110859502B (en) * | 2019-10-24 | 2021-02-26 | 宁波方太厨具有限公司 | Steam box and range hood integrated machine and control method thereof |
| CN111228931B (en) * | 2020-02-16 | 2021-10-26 | 山东拓步教育科技有限公司 | Industrial oil smoke purifier capable of intensively recycling waste oil |
| CN113685860B (en) * | 2020-05-18 | 2023-06-20 | 佛山市顺德区美的洗涤电器制造有限公司 | Fume exhaust fan |
| CN112856508B (en) * | 2021-01-07 | 2022-12-20 | 宁波方太厨具有限公司 | Range hood and cleaning method thereof |
| CN115325582B (en) * | 2022-08-01 | 2023-01-24 | 嘉兴速净环保设备有限公司 | Lampblack purifier with self-cleaning function |
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| CN110131763A (en) | 2019-08-16 |
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