CN109681933B - Fume exhauster - Google Patents
Fume exhauster Download PDFInfo
- Publication number
- CN109681933B CN109681933B CN201710968366.1A CN201710968366A CN109681933B CN 109681933 B CN109681933 B CN 109681933B CN 201710968366 A CN201710968366 A CN 201710968366A CN 109681933 B CN109681933 B CN 109681933B
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- China
- Prior art keywords
- air
- fan
- impeller
- air inlet
- range hood
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003517 fume Substances 0.000 title claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 19
- 239000000779 smoke Substances 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000005192 partition Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007306 turnover Effects 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
- F24C15/2028—Removing cooking fumes using an air curtain
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 range hood, which comprises a fan outer cover and a fume collecting hood arranged below the fan outer cover, wherein the fume collecting hood is provided with an air inlet, an air outlet is arranged on the fan outer cover, and a fume discharging channel communicated with the air inlet and the air outlet is formed in the fan outer cover, and the range hood is characterized in that: be provided with first air inlet and first gas outlet on the fan dustcoat, be equipped with the intercommunication in the fan dustcoat first air inlet and the air inlet channel of first gas outlet, air inlet channel and smoke exhaust channel mutually independent the left and right sides portion of collection petticoat pipe all be equipped with the second gas outlet that the first gas outlet is linked together, just the second gas outlet sets up down. Compared with the prior art, the invention has the advantages that: the fresh air is supplemented into the kitchen, and the air curtains are formed on the two sides of the fume collecting hood, so that the fume is prevented from being outwards diffused or escaping, the fume is forced to gather towards the middle, the fume sucking effect is improved, and the air quality in the kitchen can be better improved.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a range hood.
Background
With the improvement of living standard, various household appliances are rapidly popularized, and the range hood becomes one of the indispensable kitchen household appliances in modern families and is used for discharging the oil smoke generated in the cooking process of the cooking range.
The common range hood comprises a top suction type range hood and a side suction type range hood, wherein the top suction type range hood is as disclosed in Chinese patent with the application number of 201410704669.9, and comprises a fume collecting hood with a fume suction port, a wind cabinet arranged at the upper part of the fume collecting hood, a fan arranged in the wind cabinet and provided with a volute, and the purpose of fume suction is realized by discharging gas in the wind cabinet and forming negative pressure at the same time through the action of the fan so as to suck external fume into the wind cabinet of the cabinet; the utility model provides a side-draft range hood, a smooth and easy side-draft range hood of smoke guide of chinese patent publication as the application number 201520377321.3, it includes casing and divides air outlet subassembly, the oil collecting tank of locating casing top, bottom to and divide and locate in the casing upper portion, fan subassembly, the oil guide plate in the casing lower part, fan subassembly includes the spiral case, is fixed in the fan in the spiral case, and the casing openly has the business turn over board of taking the inlet flue in its lower part.
Because the kitchen environments of users are quite different, when the range hood is connected to the kitchen of the users, particularly for the user environment with larger resistance, the air quantity of the range hood is smaller, the condition of poor fume suction effect is easy to occur, and meanwhile, the indoor air cannot be supplemented, so that the air quality in the kitchen is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a range hood which improves the air quality in a kitchen and prevents oil smoke from diffusing outwards aiming at the current state of the art.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a range hood, includes the fan dustcoat and locates the collection petticoat pipe of fan dustcoat below, collection petticoat pipe has the air intake, be provided with the air outlet on the fan dustcoat, form intercommunication in the fan dustcoat the smoke exhaust passage of air intake and air outlet, its characterized in that: be provided with first air inlet and first gas outlet on the fan dustcoat, be equipped with the intercommunication in the fan dustcoat first air inlet and the air inlet channel of first gas outlet, air inlet channel and smoke exhaust channel mutually independent the left and right sides portion of collection petticoat pipe all be equipped with the second gas outlet that the first gas outlet is linked together, just the second gas outlet sets up down.
Preferably, a fan is arranged in the fan housing, the fan comprises a first impeller, a second impeller and a motor for driving the first impeller and the second impeller to rotate, wherein the first impeller and the second impeller are coaxially arranged, a partition plate is arranged between the first impeller and the second impeller, the first impeller and the second impeller are respectively positioned in the air inlet channel and the smoke exhaust channel, a first volute is sleeved outside the first impeller, and a second volute is sleeved outside the second impeller. Like this, single motor drive first impeller and second impeller, reduce cost, simple structure is convenient and practical simultaneously more.
Preferably, the air inlet channel is located at the rear side of the smoke exhaust channel. Thus, the smoke is more easily discharged from the smoke discharging channel, and the purpose of smoke discharging is better realized.
The supply air for improving the indoor air quality can originate anywhere, and preferably, the first air inlet is communicated with the outside of the room.
Preferably, the second air outlets are arranged on the lower bottom surface of the fume collecting hood, at least three second air outlets are arranged on the left side part of the fume collecting hood and are distributed at intervals in the front-back direction, and correspondingly, at least three second air outlets are arranged on the right side part of the fume collecting hood and are distributed at intervals in the front-back direction. Therefore, fresh air in the air inlet channel is sprayed out from two sides of the fume collecting hood, and air curtains are formed on two sides of the fume collecting hood to prevent oil smoke from diffusing or escaping, so that the oil smoke is forced to gather towards the middle, and the oil smoke absorbing effect is improved.
In order to supplement fresh air indoors and form air curtains on two sides of the fume collecting hood, preferably, air outlet devices are arranged on the left side and the right side of the fume collecting hood, an air inlet hole and a plurality of air outlet holes communicated with the air inlet hole are arranged on the air outlet devices, the first air outlet is communicated with the air inlet hole, and each air outlet hole is respectively communicated with a corresponding second air outlet.
The first air outlets are connected with the corresponding air inlets in various modes, and preferably, the first air outlets are arranged on two sides of the fan outer cover and are communicated with the corresponding air inlets through connecting pipes.
In order to better regulate the air flow in the connection pipe, it is preferable that a flow control valve is provided on the connection pipe.
In order to better guide the air out of the fume collecting hood, preferably, the air outlet holes of the air outlet device are communicated with the corresponding second air outlets through the guide piece.
Preferably, a top plate is arranged at the top of the fan outer cover, and the top plate is provided with the air outlet and the first air inlet.
Preferably, the range hood is a top-suction range hood.
Compared with the prior art, the invention has the advantages that: the fan housing of the range hood is provided with a first air inlet and a first air outlet, an air inlet channel communicated with the first air inlet and the first air outlet is arranged in the fan housing, the air inlet channel and the smoke exhaust channel are mutually independent, the left side part and the right side part of the smoke collecting hood are respectively provided with a second air outlet communicated with the first air outlet, and the second air outlet is arranged downwards. Like this, can be through the fresh air of air inlet channel to indoor replenishment, in addition, the fresh air in the air inlet channel is spouted from the both sides of collection petticoat pipe, makes the both sides of collection petticoat pipe be formed with the air curtain, prevents the oil smoke out-diffusion or escape, forces the oil smoke to gather together to the centre, improves the effect of oil smoke to can improve the air quality in the kitchen better.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a part of the structure of an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 at another angle;
FIG. 4 is a cross-sectional view of an embodiment of the present invention;
FIG. 5 is another structural cross-sectional view of an embodiment of the present invention;
fig. 6 is an exploded perspective view of an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 6, the range hood according to the embodiment of the invention includes a fan housing 1 and a fume collecting hood 2 disposed below the fan housing 1, the fan housing 1 is provided with an air outlet 12, a first air inlet 13 and a first air outlet 14, the fume collecting hood 2 is provided with an air inlet 21, a fume exhaust channel 6 communicating the air inlet 21 and the air outlet 12 is formed in the fan housing 1, the fan housing 1 is provided with the first air inlet 13 and the first air outlet 14 communicating with the indoor space, the fan housing 1 is provided with an air inlet channel 5 communicating the first air inlet 13 and the first air outlet 14, and the air inlet channel 5 and the fume exhaust channel 6 are mutually independent. Wherein, the top of fan housing 1 is provided with roof 8, opens on roof 8 has air outlet 12 and first air inlet 13.
The fan 3 is arranged in the fan housing 1, in this embodiment, the fan 3 includes a first impeller 31 and a second impeller 32 coaxially arranged, and a motor 33 for driving the first impeller 31 and the second impeller 32 to rotate, a partition 11 is arranged between the first impeller 31 and the second impeller 32, the first impeller 31 and the second impeller 32 are respectively positioned in the air inlet channel 5 and the smoke exhaust channel 6, a first volute 34 is sleeved outside the first impeller 31, and a second volute 35 is sleeved outside the second impeller 32.
In this embodiment, the partition 11 is a front side plate of the first volute 34 or a rear side plate of the second volute 35, the baffle 4 is disposed below the fan 3, an air inlet channel 5 communicating with the first air inlet 13 and the first air outlet 14 is formed by enclosing the baffle 4, the partition 11 and the rear side plate of the fan housing 1, and a smoke exhaust channel 6 is formed in a space between the partition 11 and the front side plate of the fan housing 1.
The source of fresh air that supplements the indoor air quality may be anywhere, in this embodiment fresh air originates from outdoors, in particular the first air inlet 13 communicates with the outside.
In this embodiment, the second air outlets 22 that are communicated with the first air outlets 14 are respectively arranged at the left and right sides of the fume collecting hood 2, the second air outlets 22 are downward, the second air outlets 22 are arranged at the lower bottom surface of the fume collecting hood 2, at least three second air outlets 22 that are positioned at the left side of the fume collecting hood 2 are distributed at intervals in front and back directions, and correspondingly, at least three second air outlets 22 that are positioned at the right side of the fume collecting hood 2 are distributed at intervals in front and back directions.
In order to supplement fresh air indoors, air curtains are formed on two sides of the fume collecting hood, air outlet devices 23 are arranged on the left side and the right side of the fume collecting hood 2, air inlet holes 231 and a plurality of air outlet holes 232 are formed in the air outlet devices 23, in the embodiment, the air outlet devices 23 comprise a main body 23a and an air outlet plate 23b detachably connected to the lower portion of the main body 23a, a plurality of air outlet holes 232 are formed in the air outlet plate 23b, the main body 23a is provided with the air inlet holes 231, the first air outlets 14 are communicated with the corresponding air inlet holes 231, and the air outlet holes 232 are respectively communicated with the corresponding second air outlets 22. In order to better realize the communication between the first air outlet and the corresponding air inlet, in this embodiment, the first air outlet 14 is communicated with the corresponding air inlet 231 through the connecting pipe 7, and in order to control the air flow, the connecting pipe 7 is provided with a flow control valve 71; in order to better realize the communication between the air outlet holes and the second air outlets, the air outlet holes 232 of the air outlet device 23 are communicated with the corresponding second air outlets 22 through the flow guiding pieces 24. Therefore, on one hand, the indoor air quality can be improved, and on the other hand, air curtains can be formed on two sides of the fume collecting hood to prevent the fume from diffusing or escaping, so that the fume is forced to gather towards the middle, and the fume absorbing effect is improved.
The range hood of this embodiment is top-draft range hood, and above-mentioned top-draft range hood's structural design can be with the oil smoke exhaust on the one hand, on the other hand, supply fresh air in to the kitchen through the inlet channel, the both sides of collection petticoat pipe are equipped with a plurality of second gas outlets, the fresh air blowout of inlet channel in from the both sides of collection petticoat pipe, make the both sides of collection petticoat pipe be formed with the air curtain, prevent that the oil smoke from outwards diffusing or escaping, force the oil smoke to gather in the middle, improve the effect of oil smoke, thereby the air quality in the improvement kitchen that can be better.
While the invention has been described with respect to the preferred embodiments thereof, it should be noted that various modifications and improvements can be made by those skilled in the art without departing from the principles of the invention, for example, the structure of the present embodiment can be applied to other types of extractor hoods such as side-draught extractor hoods, and these are considered to be within the scope of the present invention.
Claims (8)
1. The utility model provides a range hood, includes fan dustcoat (1) and locates collection petticoat pipe (2) of fan dustcoat (1) below, collection petticoat pipe (2) have air intake (21), be provided with air outlet (12) on fan dustcoat (1), form intercommunication in fan dustcoat (1) exhaust passage (6) of air intake (21) and air outlet (12), its characterized in that: be provided with first air inlet (13) and first gas outlet (14) on fan dustcoat (1), be equipped with the intercommunication in fan dustcoat (1) inlet channel (5) of first air inlet (13) and first gas outlet (14), inlet channel (5) and exhaust gas channel (6) are mutually independent the left and right sides portion of collection petticoat pipe (2) all be equipped with second gas outlet (22) that first gas outlet (14) are linked together, just second gas outlet (22) set up downwards, be provided with fan (3) in fan dustcoat (1), fan (3) are including first impeller (31) and second impeller (32) and drive first impeller (31) and second impeller (32) pivoted motor (33) be provided with baffle (11) between first impeller (31) and second impeller (32), first impeller (31) and second impeller (32) are located respectively inlet channel (5) and exhaust gas channel (6), first spiral case (31) are equipped with in second impeller (31) are equipped with spiral case (35) outside casing (6).
2. The range hood of claim 1, wherein: the first air inlet (13) is communicated with the outside.
3. A range hood according to claim 1 or 2, wherein: the second air outlets (22) are arranged on the lower bottom surface of the fume collecting hood (2), at least three second air outlets (22) arranged on the left side part of the fume collecting hood (2) are distributed at intervals in the front-back direction, and correspondingly, at least three second air outlets (22) arranged on the right side part of the fume collecting hood (2) are distributed at intervals in the front-back direction.
4. A range hood according to claim 3, wherein: the exhaust fume collecting hood is characterized in that air outlet devices (23) are arranged on the left side and the right side of the exhaust fume collecting hood (2), an air inlet hole (231) and a plurality of air outlet holes (232) communicated with the air inlet hole (231) are arranged on the air outlet devices (23), the first air outlet (14) is communicated with the air inlet hole (231), and each air outlet hole (232) is respectively communicated with a corresponding second air outlet (22).
5. The range hood of claim 4, wherein: the fan is characterized in that the first air outlets (14) are formed in two sides of the fan outer cover (1), the first air outlets (14) are communicated with corresponding air inlets (231) through connecting pipes (7), and flow control valves (71) are arranged on the connecting pipes (7).
6. The range hood of claim 4, wherein: the air outlet holes (232) of the air outlet device (23) are communicated with the corresponding second air outlets (22) through the flow guide pieces (24).
7. The range hood of claim 1, wherein: the top of the fan housing (1) is provided with a top plate (8), and the top plate (8) is provided with an air outlet (12) and a first air inlet (13).
8. The range hood of claim 1, wherein: the range hood is a top-suction type range hood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968366.1A CN109681933B (en) | 2017-10-18 | 2017-10-18 | Fume exhauster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968366.1A CN109681933B (en) | 2017-10-18 | 2017-10-18 | Fume exhauster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109681933A CN109681933A (en) | 2019-04-26 |
| CN109681933B true CN109681933B (en) | 2024-02-20 |
Family
ID=66183093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710968366.1A Active CN109681933B (en) | 2017-10-18 | 2017-10-18 | Fume exhauster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109681933B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189085B (en) * | 2020-01-03 | 2022-03-18 | 宁波方太厨具有限公司 | Range hood and control method thereof |
| CN111156562B (en) * | 2020-02-27 | 2022-10-04 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN112161306B (en) * | 2020-08-14 | 2022-02-08 | 宁波方太厨具有限公司 | Fume exhaust fan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005024631A1 (en) * | 2005-05-30 | 2006-12-07 | BSH Bosch und Siemens Hausgeräte GmbH | Vapor extraction device for kitchen has exhaust air bypass duct and supply air bypass duct whereby controllable blocking element is provided each of bypass ducts |
| CN202947186U (en) * | 2012-10-16 | 2013-05-22 | 绍兴市威可多电器有限公司 | Negative pressure type range hood |
| CN103925625A (en) * | 2013-01-14 | 2014-07-16 | 陈四强 | Blowing-type range hood |
| CN106016399A (en) * | 2016-06-15 | 2016-10-12 | 宁波方太厨具有限公司 | Flow pushing mechanism and method for extractor hood |
| CN207262507U (en) * | 2017-10-18 | 2018-04-20 | 宁波方太厨具有限公司 | A kind of range hood |
-
2017
- 2017-10-18 CN CN201710968366.1A patent/CN109681933B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005024631A1 (en) * | 2005-05-30 | 2006-12-07 | BSH Bosch und Siemens Hausgeräte GmbH | Vapor extraction device for kitchen has exhaust air bypass duct and supply air bypass duct whereby controllable blocking element is provided each of bypass ducts |
| CN202947186U (en) * | 2012-10-16 | 2013-05-22 | 绍兴市威可多电器有限公司 | Negative pressure type range hood |
| CN103925625A (en) * | 2013-01-14 | 2014-07-16 | 陈四强 | Blowing-type range hood |
| CN106016399A (en) * | 2016-06-15 | 2016-10-12 | 宁波方太厨具有限公司 | Flow pushing mechanism and method for extractor hood |
| CN207262507U (en) * | 2017-10-18 | 2018-04-20 | 宁波方太厨具有限公司 | A kind of range hood |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109681933A (en) | 2019-04-26 |
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