CN107191986B - Water curtain type filtering cooking fume exhauster - Google Patents
Water curtain type filtering cooking fume exhauster Download PDFInfo
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- CN107191986B CN107191986B CN201710045252.XA CN201710045252A CN107191986B CN 107191986 B CN107191986 B CN 107191986B CN 201710045252 A CN201710045252 A CN 201710045252A CN 107191986 B CN107191986 B CN 107191986B
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- water
- water outlet
- smoke
- oil
- air inlet
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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
Abstract
A water curtain filtering range hood comprises a fan housing, a smoke collecting hood, a smoke guide plate, an oil collecting cup and a water curtain filtering mechanism, wherein the water curtain filtering mechanism comprises a liquid storage tank, an air inlet mesh enclosure, a water outlet cavity and a circulating pump, and the liquid storage tank is connected with a liquid outlet pipeline; the water outlet cavity is annular or arranged around the edge of the air inlet mesh enclosure, and a plurality of water outlet holes which are arranged at intervals are formed in the lower end surface of the water outlet cavity; the smoke guide plate is positioned below the air inlet mesh enclosure, the smoke guide plate can guide cleaning water or cleaning liquid flowing out of the water outlet hole to the oil collecting cup, and a return pipe is arranged between the oil collecting cup and the liquid storage tank. Compared with the prior art, the invention has the advantages that: the water curtain filtering mechanism can wash and filter the incoming oil smoke, and simultaneously, the washing water or the washing liquid after washing can automatically wash the back of the smoke guide plate and the inner wall of the oil collecting cup.
Description
Technical Field
The invention relates to a range hood, and belongs to the technical field of kitchen ware.
Background
The range hood has been walked into every family, has become popular consumer goods, and its main function is to discharge oil smoke and waste gas that produce because of cooking in the kitchen. At present, a common range hood is generally provided with an air duct, a fan, an oil filter screen and an oil collecting cup, wherein the fan discharges air into the air duct, the oil collecting cup collects oil stains flowing down from the oil filter screen, and after the range hood is used for a long time, although the oil collecting cup exists, the oil stains are found to be accumulated in the air duct and on the fan, the oil stains are particularly hard and time-consuming to process, in addition, the load of the fan is increased, and the suction force is reduced; in addition, the oil screen and the oil collecting cup are disposed of after being detached.
Therefore, a plurality of washing type range hoods are disclosed in the prior art, such as the Chinese utility model patent of automatic cleaning range hood with the patent number ZL99209588.3 (the authorization publication number: CN 2373711Y), which comprises a range hood main machine and is characterized in that: a liquid storage device is arranged beside a centrifugal fan of the range hood, a cleaning pump is arranged in the liquid storage device, one end of a liquid conveying pipe is communicated with a water outlet of the cleaning pump, the other end of the liquid conveying pipe is communicated with a spray head, and the spray head faces to an impeller in the centrifugal fan and is fixed on a host. Similarly, refer to the Chinese utility model patent ZL02272678.0, self-cleaning kitchen ventilator (grant publication No. CN 2566158Y).
How the water that produces in the above-mentioned patent lampblack absorber is handled does not give concrete detailed solution, and reservoir installation and change are comparatively inconvenient, need improve.
On the basis, a plurality of improved patents appear, for example, the Chinese invention patent 'smoke exhaust ventilator' (granted publication number: CN 100535530C) with the patent number ZL200610107966.0, heat exchange the air entering the smoke exhaust ventilator, cleaning the air by a water curtain and then discharging the air by an exhaust duct, and circulating the water by a circulating pump; reference may also be made to the chinese utility model patent No. zl200820145732.X, a comprehensive full-automatic range hood (grant publication No. CN 201359311Y), which uses an atomization method in combination with a filter screen to collect oil droplets to purify the air. However, the above patent does not consider the structural arrangement, so that the density of the mixture of water and air is not enough, which results in poor oil fume washing effect, and the blower still needs to be cleaned irregularly, and the patent zl200820145732.X needs to be additionally provided with a protective cover, which inevitably increases the manufacturing cost.
Now a lot of lampblack absorbers are for improving the oil absorption cigarette effect, and the smoke deflector is add at the air intake position generally, and the general detachable setting of smoke deflector to in the washing, nevertheless the general volume of smoke deflector is great, the metal material, consequently whole weight is great, and the dismouting is washd more difficultly to the women of family, how to combine the washing of washing and smoke deflector to be applied to the lampblack absorber, is researcher's direction of endeavour always.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a water curtain type filtering range hood which combines the oil smoke washing and filtering with the automatic cleaning of the smoke guide plate.
The technical scheme adopted by the invention for solving the technical problems is as follows: a water curtain filtering range hood comprises a fan housing, a smoke collecting hood, a smoke guide plate and a smoke collecting cup, wherein the smoke collecting hood is arranged at the lower end of the fan housing and is provided with an air inlet, the smoke guide plate is arranged right opposite to the air inlet and keeps a preset distance with the smoke collecting hood, so that a smoke channel for containing smoke to pass through is formed between the smoke guide plate and the smoke collecting hood, the water curtain filtering mechanism is characterized by further comprising a water curtain filtering mechanism, and the water curtain filtering mechanism comprises a water curtain filtering mechanism
The liquid storage tank is connected with a liquid outlet pipeline;
the air inlet mesh enclosure is arranged at the air inlet of the fan housing and can form a water curtain area with the smoke guide plate;
the water outlet cavity is annular or arranged around the edge of the air inlet mesh enclosure, and a plurality of water outlet holes which are arranged at intervals are formed in the lower end surface of the water outlet cavity; and
the circulating pump is arranged on the liquid outlet pipeline and can convey cleaning water or cleaning liquid in the liquid storage tank into the water outlet cavity;
the smoke guide plate is positioned below the air inlet mesh enclosure, the smoke guide plate can guide cleaning water or cleaning liquid flowing out of the water outlet hole to the oil collecting cup, and a return pipe is arranged between the oil collecting cup and the liquid storage tank.
The utility model provides a water curtain filters range hood, includes fan housing, collection petticoat pipe, smoke deflector oil-collecting cup, and aforementioned smoke deflector locates fan housing lower port and has the air intake, and aforementioned smoke deflector just keeps predetermined interval just to this air intake setting and collection petticoat pipe to be formed with the oil smoke passageway that holds the oil smoke and pass through between smoke deflector and collection petticoat pipe the two, its characterized in that oil-collecting cup have a liquid pipeline, this range hood still includes water curtain filtering mechanism, and this water curtain filtering mechanism includes that this water curtain filters the mechanism and includes that the oil smoke passageway passes through
The air inlet mesh enclosure is arranged at the air inlet of the fan housing and can form a water curtain area with the smoke guide plate;
the water outlet cavity is annular or arranged around the edge of the air inlet mesh enclosure, and a plurality of water outlet holes which are arranged at intervals are formed in the lower end surface of the water outlet cavity; and
the circulating pump is arranged on the liquid outlet pipeline and can convey the cleaning water or the cleaning liquid in the oil collecting cup to the water outlet cavity;
the smoke guide plate is positioned below the air inlet mesh enclosure and can guide cleaning water or cleaning fluid flowing out of the water outlet hole to the oil collecting cup.
The water outlet cavity is preferably arranged as follows: the periphery of the upper end face of the air inlet screen cover is provided with an annular groove, the inner side face of the annular groove is matched with the outer wall of the water outlet cavity, the bottom of the annular groove is provided with a through hole, the water outlet cavity is annularly arranged in the annular groove, and the water outlet hole of the water outlet cavity is arranged corresponding to the through hole of the annular groove.
The through holes in the annular groove are distributed in at least two rows from outside to inside, and the through holes in the two adjacent rows are staggered. Can form a double-layer or multi-layer dynamic water filter screen, and the water cleaning is more thorough.
The water outlet cavity is positioned in the fan housing, and the liquid outlet pipeline is communicated into the fan housing and is connected with the liquid inlet end of the water outlet cavity. The design is more compact and reasonable, and the pipeline connection cannot be exposed outside and is not easy to damage.
Preferably, the front side of the water outlet cavity and two sides of the water outlet cavity are provided with water outlet holes.
In order to prevent the cleaning water or cleaning liquid formed by the water curtain from overflowing from the periphery of the smoke guide plate, the circumference of the edge of the smoke guide plate is provided with a water retaining part which is higher than the upper end surface, and a water drainage hole is arranged on the water retaining part which is close to the inner side and is adjacent to the oil collecting cup.
The smoke guide plate is arranged to be gradually inclined downwards from front to back in consideration of the flow direction of water flow.
Compared with the prior art, the invention has the advantages that: the water curtain filtering mechanism can wash and filter incoming oil smoke, so that the environmental protection performance of the discharged oil smoke is improved, meanwhile, washing water or washing liquid after washing can automatically wash the back of the smoke guide plate and the inner wall of the oil collecting cup, the washing water or the washing liquid is circulated, the period that the smoke guide plate and the oil collecting cup need to be detached and washed is greatly prolonged, the washing difficulty and the washing strength are reduced, the oil smoke washing and filtering and the washing of the smoke guide plate and the oil collecting cup are combined into a whole, the whole structure is compact, and the arrangement and the assembly are facilitated.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1.
Fig. 2 is a perspective sectional view of embodiment 1.
Fig. 3 is an exploded view of embodiment 1.
Fig. 4 is a working principle diagram of embodiment 1.
FIG. 5 is a combination diagram of the air intake net cover, the water outlet cavity and the smoke guide plate in example 1.
Fig. 6 is a schematic view of another perspective structure of the water outlet chamber in fig. 5.
Fig. 7 is another view angle structure diagram of the air intake net in fig. 5.
Detailed Description
The invention is described in further detail below with reference to the following examples of the drawings.
As shown in fig. 1, 2 and 3, the water curtain filtering range hood in the embodiment includes a fan housing 5, a fan 52, a smoke collecting hood 51, a smoke guide plate 3, a smoke collecting cup 4 and a water curtain filtering mechanism, wherein the fan 52 is disposed in the fan housing 5, the smoke collecting hood 51 is disposed at a lower end of the fan housing 5 and has an air inlet, the smoke guide plate 3 is disposed opposite to the air inlet and has a predetermined distance with the smoke collecting hood 51, so that a smoke passage for allowing smoke to pass is formed between the smoke guide plate 3 and the smoke collecting hood 51,
referring to fig. 4, the water curtain filtering mechanism includes a liquid storage tank 6, an air inlet mesh enclosure 1, a water outlet cavity 2 and a circulating pump 7, the liquid storage tank 6 is connected with a liquid outlet pipeline 22, and the air inlet mesh enclosure 1 is arranged at an air inlet of the fan housing 5 and can form a water curtain region with the smoke guide plate 3.
The water outlet cavity 2 is annular or arranged around the edge of the air inlet mesh enclosure 1, and a plurality of water outlet holes 21 arranged at intervals are formed in the lower end surface; the water outlet cavity 2 is positioned in the fan housing 5. The liquid outlet pipeline 22 is communicated into the fan housing 5 and is connected with the liquid inlet end of the water outlet cavity 2.
The circulating pump 7 is disposed on the liquid outlet pipeline 22 and can convey the cleaning water or the cleaning liquid in the liquid storage tank 6 to the water outlet cavity.
The smoke deflector 3 is located the air inlet screen panel 1 below, smoke deflector 3 edge circumference has the manger plate portion 31 that exceeds the up end, and, the manger plate portion 31 that is close to the inboard neighbouring oil collecting cup has seted up wash port 32 (see fig. 5 and show), manger plate portion 31 can adopt the turn-ups technology to make and form, smoke deflector 3 is from the forward backward slope setting gradually, smoke deflector 3 can be with carrying the washing water or the washing liquid drainage that come out in apopore 21 to oil collecting cup 4, be equipped with back flow 41 between oil collecting cup 4 and the liquid reserve tank 6.
Referring to fig. 5 and 6, an annular groove 11 is formed in the periphery of the upper end surface of the air inlet mesh enclosure 1, the inner side surface of the annular groove 11 is matched with the outer wall of the water outlet cavity 2, a through hole 12 is formed in the bottom of the annular groove 11, the water outlet cavity 2 is annularly arranged in the annular groove 11, and the water outlet hole 21 of the water outlet cavity 2 is arranged corresponding to the through hole 12 of the annular groove 11. As shown in fig. 7, the through holes 12 in the annular groove 11 are arranged in two rows from the outside to the inside, and the through holes 12 in two adjacent rows are staggered.
The front side of the water outlet cavity 2 and the two sides positioned on the front side in the embodiment are both provided with water outlets 21, and the side close to the mounting surface of the fan housing 5 can be free of water outlets. As shown in fig. 6.
Referring to fig. 4, when the range hood works, the circulating pump 7 pumps cleaning water or cleaning liquid from the liquid storage tank 6 to the water outlet cavity 2 through the liquid outlet pipe, an inner water curtain and an outer water curtain are formed through distribution of the through holes on the air inlet mesh enclosure 1, oil smoke entering the air inlet is cleaned through two channels, the cleaned water or cleaning liquid is sprayed onto the back of the smoke guide plate 3 and flows into the oil collecting cup 4 along the back of the smoke guide plate 3, and the cleaned water or cleaning liquid of the oil collecting cup 4 flows back into the liquid storage tank 6. And selecting cleaning water and cleaning liquid to be replaced cleanly according to the pollution degree of the cleaning water or the cleaning liquid.
Claims (6)
1. The utility model provides a water curtain filters range hood, including fan housing (5), collection petticoat pipe (51), lead cigarette board (3) and oil catcher (4), fan housing (5) lower port is located and the air intake has in aforementioned collection petticoat pipe (51), aforementioned lead cigarette board (3) just to this air intake setting and keep there being predetermined interval with collection petticoat pipe (51), thereby it holds the oil smoke passageway that the oil smoke passes through to be formed with between guide cigarette board (3) and collection petticoat pipe (51) the two, this range hood of its characterized in that still includes water curtain filtering mechanism, this water curtain filtering mechanism includes that this water curtain filtering mechanism passes through, this water curtain filtering mechanism includes that the oil smoke passageway that holds the oil smoke passes through
The liquid storage tank (6) is connected with a liquid outlet pipeline (22);
the air inlet mesh enclosure (1) is arranged at the air inlet of the fan housing (5) and can form a water curtain area with the smoke guide plate (3);
the water outlet cavity (2) is annular or arranged around the edge of the air inlet mesh enclosure (1) and is provided with a plurality of water outlet holes (21) arranged at intervals on the lower end surface; and
the circulating pump (7) is arranged on the liquid outlet pipeline (22) and can convey cleaning water or cleaning liquid in the liquid storage tank (6) into the water outlet cavity;
the smoke guide plate (3) is positioned below the air inlet mesh enclosure (1), the smoke guide plate (3) can guide cleaning water or cleaning liquid flowing out from the water outlet holes (21) to the oil collecting cup (4), and a return pipe (41) is arranged between the oil collecting cup (4) and the liquid storage tank (6);
the periphery of the upper end face of the air inlet mesh enclosure (1) is provided with an annular groove (11), the inner side face of the annular groove (11) is matched with the outer wall of the water outlet cavity (2), the bottom of the annular groove is provided with a through hole (12), the water outlet cavity (2) is annularly arranged in the annular groove (11), and a water outlet hole (21) of the water outlet cavity (2) is arranged corresponding to the through hole (12) of the annular groove (11);
the front side of the water outlet cavity (2) and two sides positioned on the front side are both provided with water outlet holes (21).
2. The utility model provides a water curtain filters range hood, includes fan housing (5), collection petticoat pipe (51), leads cigarette board (3) and oil catch bowl (4), port and have the air intake under fan housing (5) are located in aforementioned collection petticoat pipe (51), aforementioned smoke guide board (3) just keep predetermined interval just to this air intake setting and with collection petticoat pipe (51) keep, thereby it holds the oil smoke passageway that the oil smoke passes through to be formed with between smoke guide board (3) and collection petticoat pipe (51) the two, its characterized in that the oil catch bowl have a liquid pipeline (22), this range hood still includes water curtain filtering mechanism, this water curtain filtering mechanism includes that the oil smoke passageway that holds the oil smoke passes through, this oil curtain filtering mechanism
The air inlet mesh enclosure (1) is arranged at the air inlet of the fan housing (5) and can form a water curtain area with the smoke guide plate (3);
the water outlet cavity (2) is arranged in a ring shape or around the edge of the air inlet mesh enclosure (1) and is provided with a plurality of water outlet holes (21) arranged at intervals on the lower end surface; and
the circulating pump (7) is arranged on the liquid outlet pipeline (22) and can convey the cleaning water or the cleaning liquid in the oil collecting cup to the water outlet cavity;
the smoke guide plate (3) is positioned below the air inlet mesh enclosure (1), and the smoke guide plate (3) can guide cleaning water or cleaning liquid flowing out from the water outlet hole (21) to the oil collecting cup (4);
the periphery of the upper end face of the air inlet mesh enclosure (1) is provided with an annular groove (11), the inner side face of the annular groove (11) is matched with the outer wall of the water outlet cavity (2), the bottom of the annular groove is provided with a through hole (12), the water outlet cavity (2) is annularly arranged in the annular groove (11), and a water outlet hole (21) of the water outlet cavity (2) is arranged corresponding to the through hole (12) of the annular groove (11);
the front side of the water outlet cavity (2) and two sides positioned on the front side are both provided with water outlet holes (21).
3. The water curtain filtering range hood according to claim 1 or 2, wherein the through holes (12) in the annular groove (11) are arranged in at least two rows from outside to inside, and the through holes (12) in two adjacent rows are staggered.
4. The water curtain filtering range hood as claimed in claim 1 or 2, wherein the water outlet cavity (2) is located in the fan housing (5), and the liquid outlet pipe (22) is connected to the liquid inlet end of the water outlet cavity (2) and leads into the fan housing (5).
5. The water curtain filtering range hood as claimed in claim 1 or 2, wherein the smoke guide plate (3) has a water retaining portion (31) at the edge thereof, which is higher than the upper end surface, and a drain hole (32) is formed at the water retaining portion adjacent to the oil collecting cup at the inner side.
6. The water curtain filtering range hood according to claim 5, characterized in that the smoke guide plate (3) is arranged from front to back and is gradually inclined downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710045252.XA CN107191986B (en) | 2017-01-20 | 2017-01-20 | Water curtain type filtering cooking fume exhauster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710045252.XA CN107191986B (en) | 2017-01-20 | 2017-01-20 | Water curtain type filtering cooking fume exhauster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107191986A CN107191986A (en) | 2017-09-22 |
| CN107191986B true CN107191986B (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710045252.XA Active CN107191986B (en) | 2017-01-20 | 2017-01-20 | Water curtain type filtering cooking fume exhauster |
Country Status (1)
| Country | Link |
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| CN (1) | CN107191986B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405007A (en) * | 2018-10-08 | 2019-03-01 | 珠海格力电器股份有限公司 | Fume purifier of fume and kitchen ventilator |
| CN110898593B (en) * | 2019-12-11 | 2021-08-24 | 真美妙(上海)餐饮管理有限公司 | Catering oil fume purifier |
| CN111520785A (en) * | 2020-05-12 | 2020-08-11 | 宁夏大学 | Smoke extractor with automatic cleaning function |
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2017
- 2017-01-20 CN CN201710045252.XA patent/CN107191986B/en active Active
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| CN107191986A (en) | 2017-09-22 |
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