CN108006745B - Water curtain filtering fume exhaust fan - Google Patents
Water curtain filtering fume exhaust fan Download PDFInfo
- Publication number
- CN108006745B CN108006745B CN201710456762.6A CN201710456762A CN108006745B CN 108006745 B CN108006745 B CN 108006745B CN 201710456762 A CN201710456762 A CN 201710456762A CN 108006745 B CN108006745 B CN 108006745B
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- Prior art keywords
- water
- liquid
- range hood
- housing
- fan
- Prior art date
- 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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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 238000001914 filtration Methods 0.000 title claims abstract description 25
- 239000003517 fume Substances 0.000 title abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 86
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003546 flue gas Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 39
- 238000004140 cleaning Methods 0.000 claims description 27
- 238000003860 storage Methods 0.000 claims description 15
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 230000003872 anastomosis Effects 0.000 claims 1
- 239000000779 smoke Substances 0.000 abstract description 18
- 238000005406 washing Methods 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000004519 grease Substances 0.000 abstract description 3
- 101150038956 cup-4 gene Proteins 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 239000003595 mist Substances 0.000 description 5
- 241000886569 Cyprogenia stegaria Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002912 waste gas Substances 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
Abstract
The water curtain filtering range hood comprises a housing (5), a fan (52), a fume collecting hood (51) and an oil collecting cup (4), and is characterized by further comprising a liquid bearing disc (3), a baffle (1) and a water outlet pipe (2), wherein the liquid bearing disc (3) is annularly arranged at an air inlet of the housing (5), and a hollow channel (31) for flue gas to enter the housing (5) is formed in the middle of the liquid bearing disc; the baffle (1) is arranged above the liquid bearing disc (3) and is opposite to the hollow channel of the liquid bearing disc (3); the water outlet pipe (2) is annular or is arranged around the edge of the baffle plate (1) and the lower end surface is provided with a plurality of water outlet holes (21) which are arranged at intervals, and the water inlet end of the water outlet pipe (2) is connected with a first liquid outlet pipeline (61). The incoming oil smoke passes through the hollow channel of the liquid bearing disc, is filtered by the water curtain, enters the fan from the gap between the baffle and the inner wall of the housing, and is subjected to water washing filtration to collect grease in the smoke, so that the environmental protection performance of the discharged oil smoke is improved.
Description
Technical Field
The utility model relates to a range hood, and belongs to the technical field of kitchen ware.
Background
The range hood has been put into thousands of households and is a popular consumer product, and the main function of the range hood is to exhaust the oil smoke and waste gas generated by cooking in a 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 long-term use, the oil stains are accumulated in the air duct and on the fan although the oil collecting cup exists, so that the processing is particularly laborious and time-consuming, the load of the fan is increased, and the suction force is reduced; in addition, the oil filter screen and the oil collection cup are removed and then disposed of.
For this reason, a lot of water washing type range hoods are disclosed in the prior art, such as the chinese patent of utility model "self-cleaning range hood" with patent number ZL99209588.3 (issued notice number CN 2373711Y), which includes a range hood main body, and is characterized in that: the centrifugal fan of the range hood is provided with a liquid storage device, 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 header, and the spray header faces an impeller in the centrifugal fan and is fixed on a host. Similarly, reference may also be made to China patent No. ZL02272678.0 for self-cleaning extractor hoods (issued to publication No. CN 2566158Y).
How to treat the water generated in the range hood of the patent does not give a specific detailed solution, and the liquid storage device is inconvenient to install and replace and needs to be improved.
On the basis of the above, many improved patents appear, such as a Chinese patent utility model 'smoke exhaust ventilator' with patent number ZL200610107966.0 (issued bulletin number: CN 100535530C), air entering the smoke exhaust ventilator is subjected to heat exchange, water curtain cleaning and then is discharged by an exhaust duct, and water is circulated by a circulating pump; reference may also be made to chinese utility model patent No. zl20080145732. X, "a comprehensive fully automatic range hood" (grant bulletin number: CN 201359311Y), which uses an atomization method in combination with a filter screen to collect oil droplets for purifying air. However, due to the lack of consideration of the structural arrangement, the mixing density of water and air is insufficient, so that the fume washing effect is poor, the fan still needs to be cleaned irregularly, and a protective cover is additionally required to be arranged in the patent ZL 20081015732. X, which tends to increase the manufacturing cost.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a water curtain filtering range hood capable of fully washing and filtering oil smoke.
Another technical problem to be solved by the present utility model is to provide a water curtain filtering range hood combining fume washing filtering and fan water cooling.
The utility model aims to solve the technical problem of providing a water curtain filtering range hood which combines oil smoke washing filtering and water mist oil smoke together.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a water curtain filters range hood, includes housing, fan, collection petticoat pipe and collection oil cup, and aforementioned fan is located in the housing, and aforementioned collection petticoat pipe is located the housing lower port and has the air intake, and its characterized in that this range hood still includes
The liquid bearing disc is annularly arranged at the air inlet of the housing, and a hollow channel for flue gas to enter the housing is formed in the middle of the liquid bearing disc;
the baffle is arranged above the liquid bearing disc and is opposite to the hollow channel of the liquid bearing disc, a gap for passing the flue gas is arranged between the periphery of the baffle and the inner wall of the housing, and a water curtain area is formed between the lower end face of the baffle and the upper end face of the liquid bearing disc; and
the water outlet pipe is annular or is arranged around the edge of the baffle plate, a plurality of water outlet holes are arranged at intervals on the lower end surface of the water outlet pipe, and the water inlet end of the water outlet pipe is connected with a first liquid outlet pipeline;
the lower end face of the baffle plate and the upper end face of the liquid bearing disc form a water curtain area, and the liquid bearing disc can drain the cleaning water or cleaning liquid flowing out of the water outlet hole to the oil collecting cup.
The fan is provided with a water cooling pipeline for radiating heat, and the first liquid outlet pipeline flows through the water cooling pipeline and then enters the water outlet pipe. The water cooling pipeline brings heat generated by the fan through the fan shell, so that the running stability of the fan is improved, water in the water cooling pipeline is heated, subsequent oil smoke filtering is facilitated, and the oil smoke filtering device is obtained at one time.
Further, radiating fins are arranged on the shell of the fan in a radial mode, and the water cooling pipeline is wound on the periphery of the radiating fins.
The arrangement of the water-cooled pipeline is preferably one of the following:
first, the cooling fin is provided with an embedding groove, and correspondingly, the water cooling pipeline is embedded in the embedding groove.
Second, the water-cooling pipeline is S-shaped and wound between the adjacent cooling fins.
Further, the water cooling pipeline at least comprises two water cooling branches connected in parallel, and the two water cooling branches are enclosed into a ring and arranged on the shell of the fan.
The oil collecting cup is provided with a drain pipe, the top end of the housing is provided with a liquid storage tank, and the water inlet end of the liquid storage tank is connected with the drain pipe to form a circulation loop, and a circulation pump is arranged in the circulation loop. The automatic circulation cleaning can be realized by setting the circulation pump. The cleaning water or the cleaning liquid may be replaced periodically.
The water outlet pipe is preferably arranged as follows: the periphery of baffle up end has the annular groove, and this annular groove medial surface coincides with the outlet pipe outer wall and the bottom has seted up the through-hole, the outlet pipe be the ring-shaped setting in the annular groove and the apopore of outlet pipe corresponds the through-hole setting of annular groove.
The through holes in the annular groove are arranged in at least two rows from outside to inside, and the through holes in two adjacent rows are staggered. Double-layer or multi-layer dynamic water filter screens can be formed, and water cleaning is more thorough.
Further, water outlet holes are formed in the periphery of the water outlet pipe.
Further, the liquid bearing disc is provided with a drain hole adjacent to the inner side of the oil collecting cup, the range hood further comprises a drainage groove which can drain the cleaning water or the cleaning liquid of the liquid bearing disc to the oil collecting cup, one end of the drainage groove is connected with the liquid bearing disc, and the other end of the drainage groove is connected with the oil collecting cup.
The liquid storage tank be connected with the second and go out the liquid pipeline, the play liquid end of this second goes out the liquid pipeline is equipped with atomizing nozzle, the blowout direction of this atomizing nozzle corresponds the air intake setting of fan to, be equipped with the suction pump on the aforesaid second goes out the liquid pipeline. The atomizing nozzle generates water mist, the water mist is combined with oil smoke, the oil separation degree can be improved, and the impeller and the inner cavity of the volute can be kept moist, so that the situation of oil dirt accumulation caused by long-time work can not occur.
Compared with the prior art, the utility model has the advantages that: the incoming oil smoke passes through the hollow channel of the liquid bearing disc, then is filtered through the water curtain, then enters the fan from the gap between the baffle and the inner wall of the housing, and is subjected to water washing filtration to collect grease in the smoke, so that the environmental protection of the discharged oil smoke is improved, and meanwhile, the cleanliness of the range hood can be improved, and the cleaning difficulty and strength are reduced. The whole structure is compact and reasonable, and is beneficial to maintenance and cleaning.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1.
Fig. 2 is a perspective sectional view of example 1.
Fig. 3 is a partial structural assembly diagram of embodiment 1.
Fig. 4 is a schematic view of the water inlet pipe in fig. 3.
Fig. 5 is a schematic view of the baffle structure in fig. 3.
Fig. 6 is an enlarged view of a portion a in fig. 5.
FIG. 7 is a schematic diagram of a water curtain filter according to example 1.
Fig. 8 is a schematic diagram of the operation of example 1.
FIG. 9 is an enlarged view of the water cooling circuit and fan assembly of FIG. 3.
FIG. 10 is a diagram showing a combination of a water cooling pipeline and a fan in example 2.
Fig. 11 is a schematic structural diagram of embodiment 3.
Fig. 12 is a perspective sectional view of example 3.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
In embodiment 1, as shown in fig. 1, 2 and 3, the water curtain filtering range hood in this embodiment includes a housing 5, a fan 52, a fume collecting hood 51, a liquid bearing plate 3, an oil collecting cup 4, a baffle 1, a water cooling pipeline 22, a water outlet pipe 2, a liquid storage tank 6, a water suction pump 64 and a circulating pump 7 (as shown in fig. 8). The fan 52 is arranged in the housing 5, and the fume collecting hood 51 is arranged at the lower port of the housing 5 and is provided with an air inlet. The liquid storage tank 6 is connected with a first liquid outlet pipeline 61.
Referring to fig. 3 and 8, a water cooling pipe 22 for heat dissipation is provided to the fan 52. Specifically, the casing of the fan 52 is provided with radiating fins 53 arranged radially, and the water cooling pipeline 22 is wound around the periphery of the radiating fins 53. The water-cooling pipe 22 is wound in an S shape between the adjacent cooling fins 53. The water cooling pipeline 22 comprises two water cooling branches 221 connected in parallel, and the two water cooling branches 221 are surrounded into a ring and arranged on the shell of the fan 52. The water cooling pipeline 22 brings heat generated by the fan through the fan shell, so that the running stability of the fan is improved, water in the water cooling pipeline 22 is heated, subsequent oil smoke filtering is facilitated, and the oil smoke filtering device is obtained in two steps.
Referring to fig. 3, the liquid bearing disc 3 is annularly arranged at an air inlet of the housing 5, and a hollow channel 31 for flue gas to enter the housing 5 is formed in the middle; the baffle 1 is arranged above the liquid bearing disc 3 and is opposite to the hollow channel 31 of the liquid bearing disc 3, specifically, the baffle 1 is connected with the inner wall of the housing 5 through four surrounding connecting leather, a gap for passing flue gas is arranged between the periphery of the baffle 1 and the inner wall of the housing 5, and a water curtain area is formed by the lower end face of the baffle 1 and the upper end face of the liquid bearing disc 3.
Referring to fig. 4, the water outlet pipe 2 is annular or is arranged around the edge of the baffle plate 1, and the lower end surface of the water outlet pipe is provided with a plurality of water outlet holes 21 which are arranged at intervals, the water outlet holes are arranged around the water outlet pipe 2, and the water inlet end of the water outlet pipe 2 is communicated with the first liquid outlet pipeline 61 through the cold water pipeline 22; the lower end surface of the baffle plate 1 and the upper end surface of the liquid bearing disc 3 form a water curtain area, and the liquid bearing disc 3 can drain the cleaning water or cleaning liquid flowing out of the water outlet holes 21 to the oil collecting cup 4. The periphery of the water outlet pipe 2 in the embodiment is provided with water outlet holes 21.
As shown in fig. 5 and 6, the periphery of the upper end surface of the baffle plate 1 is provided with an annular groove 11, the inner side surface of the annular groove 11 is matched with the outer wall of the water outlet pipe 2, the bottom of the annular groove is provided with a through hole 12, the water outlet pipe 2 is annularly arranged in the annular groove 11, and the water outlet hole 21 of the water outlet pipe 2 is arranged corresponding to the through hole 12 of the annular groove 11. The through holes 12 in the annular groove 11 are arranged in two rows from outside to inside, and the through holes 12 in two adjacent rows are staggered.
As shown in fig. 2 and 3, the liquid-bearing plate 3 can drain the cleaning water flowing out from the water outlet 21 to the oil-collecting cup 4. Specifically, the inner side of the liquid bearing plate adjacent to the oil collecting cup 4 is provided with a drain hole 32. A drainage groove 33 is arranged between the liquid bearing plate 3 and the oil collecting cup 4, the drainage groove 33 can drain the cleaning water or the cleaning liquid of the liquid bearing plate 3 to the oil collecting cup 4, one end of the drainage groove 33 is connected with the liquid bearing plate 3, and the other end is connected with the oil collecting cup 4.
The oil collecting cup 4 has a drain pipe 41, and as shown in fig. 9, the water inlet end of the reservoir 6 is connected to the drain pipe 41 to constitute a circulation circuit in which the circulation pump 7 (see fig. 4) is provided. The circulating pump 7 can convey the cleaning water in the oil collecting cup 4 to the water outlet pipe 2.
As shown in fig. 7, the incoming oil fume passes through the hollow channel 31 of the liquid bearing disc, is filtered by the water curtain, enters the fan 52 from the gap between the baffle plate 1 and the inner wall of the housing 5, and is subjected to water washing and filtering to collect the grease in the oil fume, so that the environmental protection performance of the oil fume emission is improved.
As shown in fig. 9, the cleaning water in the liquid storage tank 6 is conveyed into the water cooling pipeline 22 through the first liquid outlet pipeline 61 by the circulating pump 7, is cooled by the fan 52, then enters the water outlet pipe 2, then enters the water outlet hole 21 of the water outlet pipe 2, and drops onto the liquid bearing disc 3, is discharged to the drainage groove 33 from the drainage hole 32, is guided into the oil collecting cup 4 through the drainage groove 33, and finally returns into the liquid storage tank 6 through the drainage pipe 41.
In embodiment 2, as shown in fig. 10, the heat sink 53 in this embodiment is provided with an embedded groove 531, and correspondingly, the water cooling pipeline 22 is embedded in the embedded groove 531, and the water cooling pipeline 22 includes two pairs of water cooling branches 221 connected in parallel, wherein the two corresponding water cooling branches 221 enclose a ring and are disposed on the housing of the fan 52. Other structures refer to embodiment 1.
In embodiment 3, as shown in fig. 11 and 12, the liquid storage tank 6 in this embodiment is disposed at the top end of the housing 5, the housing 5 is connected with a second liquid outlet pipe 62, the liquid outlet end of the second liquid outlet pipe 62 is provided with an atomizing nozzle 63, the spraying direction of the atomizing nozzle 63 corresponds to the air inlet of the fan 52, and the front end surface of the housing 5 is provided with a mounting hole through which the second liquid outlet pipe 62 is disposed. A suction pump 64 is provided on the second outlet line 62 for providing water source pressure.
The cleaning water in the liquid storage tank 6 is sprayed out from the atomizing nozzle 63 through the second liquid outlet pipeline 62 under the action of the water suction pump 64, so that water mist is generated, the water mist is combined with the oil smoke, the oil separation degree can be improved, and the impeller and the inner cavity of the volute can be kept moist, so that the occurrence of oil dirt accumulation caused by long-time work can be avoided.
Claims (12)
1. The utility model provides a water curtain filters range hood, includes housing (5), fan (52), collection petticoat pipe (51) and collection oil cup (4), in housing (5) were located to aforesaid fan (52), and the aforesaid collection petticoat pipe (51) is located housing (5) lower port and is had the air intake, its characterized in that this range hood still includes
A liquid bearing disc (3) which is annularly arranged at the air inlet of the housing (5), and a hollow channel (31) for flue gas to enter the housing (5) is formed in the middle;
a baffle plate (1) which is arranged above the liquid bearing disc (3) and is opposite to the hollow channel of the liquid bearing disc (3), a gap for the flue gas to pass through is arranged between the periphery of the baffle plate (1) and the inner wall of the housing (5), and a water curtain area is formed by the lower end surface of the baffle plate (1) and the upper end surface of the liquid bearing disc (3); and
the water outlet pipe (2) is annular or is arranged around the edge of the baffle (1) and is provided with a plurality of water outlet holes (21) which are arranged at intervals on the lower end surface, and the water inlet end of the water outlet pipe (2) is connected with a first liquid outlet pipeline (61);
the lower end surface of the baffle plate (1) and the upper end surface of the liquid bearing disc (3) form a water curtain area, and the liquid bearing disc (3) can drain the cleaning water or cleaning liquid flowing out from the water outlet hole (21) to the oil collecting cup (4);
the periphery of baffle (1) up end has annular groove (11), and through-hole (12) have been seted up to this annular groove (11) medial surface and outlet pipe (2) outer wall anastomosis and bottom, outlet pipe (2) be annular locate in annular groove (11) and outlet pipe (2) apopore (21) correspond through-hole (12) setting of annular groove (11).
2. The water curtain filtering range hood according to claim 1, characterized in that the fan (52) is provided with a water cooling pipeline (22) for heat dissipation, and the first liquid outlet pipeline (61) flows through the water cooling pipeline (22) and then enters the water outlet pipe (2).
3. The water curtain filtering range hood according to claim 2, characterized in that radiating fins (53) are arranged on the shell of the fan (52), and the water cooling pipeline (22) is wound on the periphery of the radiating fins (53).
4. A water curtain filter range hood according to claim 3, characterized in that the radiating fin (53) is provided with an embedding groove (531), and correspondingly, the water cooling pipeline (22) is embedded in the embedding groove (531).
5. A water curtain filter range hood according to claim 3, characterized in that the water cooling pipes (22) are wound in an S-shape between adjacent cooling fins (53).
6. The water curtain filter range hood according to claim 4 or 5, characterized in that the water cooling pipeline (22) at least comprises two water cooling branches (221) connected in parallel, and the two water cooling branches (221) are enclosed to form a ring and are arranged on the shell of the fan (52).
7. A water curtain filtering range hood according to claim 1, characterized in that the oil collecting cup (4) is provided with a drain pipe (41), the top end of the housing (5) is provided with a liquid storage tank (6), and the water inlet end of the liquid storage tank (6) is connected with the drain pipe (41) to form a circulation loop, and the circulation loop is provided with a circulation pump (7).
8. The water curtain filtering range hood according to claim 7, characterized in that 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) of adjacent two rows are staggered.
9. The water curtain filtering range hood according to claim 1, characterized in that water outlet holes (21) are formed around the water outlet pipe (2).
10. The water curtain filtering range hood according to claim 9, characterized in that the liquid-bearing plate (3) is provided with a drain hole (32) adjacent to the inner side of the oil-collecting cup (4), the range hood further comprises a drainage groove (33) capable of draining the cleaning water or cleaning liquid of the liquid-bearing plate (3) to the oil-collecting cup (4), one end of the drainage groove (33) is connected with the liquid-bearing plate (3), and the other end is connected with the oil-collecting cup (4).
11. The water curtain filtering range hood according to claim 7, wherein the liquid storage tank (6) is connected with a second liquid outlet pipeline (62), an atomizing nozzle (63) is disposed at a liquid outlet end of the second liquid outlet pipeline (62), an ejection direction of the atomizing nozzle (63) is set corresponding to an air inlet of the fan (52), and a water suction pump (64) is disposed on the second liquid outlet pipeline (62).
12. The water curtain filtering range hood according to claim 11, characterized in that the front end surface of the housing (5) is provided with a mounting hole for the second liquid outlet pipeline (62) to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710456762.6A CN108006745B (en) | 2017-06-16 | 2017-06-16 | Water curtain filtering fume exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710456762.6A CN108006745B (en) | 2017-06-16 | 2017-06-16 | Water curtain filtering fume exhaust fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108006745A CN108006745A (en) | 2018-05-08 |
| CN108006745B true CN108006745B (en) | 2024-02-20 |
Family
ID=62047626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710456762.6A Active CN108006745B (en) | 2017-06-16 | 2017-06-16 | Water curtain filtering fume exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108006745B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000046392A (en) * | 1998-05-22 | 2000-02-18 | Toto Ltd | Range hood |
| CN201078714Y (en) * | 2007-04-25 | 2008-06-25 | 岳阳市强力电器有限公司 | Pollutionless cooking fume remover for pipe water curtain filter element |
| CN202350140U (en) * | 2011-10-28 | 2012-07-25 | 浙江安德电器有限公司 | Extractor hood |
| CN204421136U (en) * | 2015-01-31 | 2015-06-24 | 宁波欧琳厨房电器有限公司 | The range hood that water curtain style cleans automatically |
| CN106091060A (en) * | 2016-07-26 | 2016-11-09 | 广东万家乐燃气具有限公司 | A kind of centrifugal cooking fume exhauster with aerofoil fan |
| CN207094700U (en) * | 2017-06-16 | 2018-03-13 | 宁波方太厨具有限公司 | Water curtain filter range hood |
-
2017
- 2017-06-16 CN CN201710456762.6A patent/CN108006745B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000046392A (en) * | 1998-05-22 | 2000-02-18 | Toto Ltd | Range hood |
| CN201078714Y (en) * | 2007-04-25 | 2008-06-25 | 岳阳市强力电器有限公司 | Pollutionless cooking fume remover for pipe water curtain filter element |
| CN202350140U (en) * | 2011-10-28 | 2012-07-25 | 浙江安德电器有限公司 | Extractor hood |
| CN204421136U (en) * | 2015-01-31 | 2015-06-24 | 宁波欧琳厨房电器有限公司 | The range hood that water curtain style cleans automatically |
| CN106091060A (en) * | 2016-07-26 | 2016-11-09 | 广东万家乐燃气具有限公司 | A kind of centrifugal cooking fume exhauster with aerofoil fan |
| CN207094700U (en) * | 2017-06-16 | 2018-03-13 | 宁波方太厨具有限公司 | Water curtain filter range hood |
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| Publication number | Publication date |
|---|---|
| CN108006745A (en) | 2018-05-08 |
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