CN107575919B - A kind of range hood - Google Patents
A kind of range hood Download PDFInfo
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- CN107575919B CN107575919B CN201711023140.0A CN201711023140A CN107575919B CN 107575919 B CN107575919 B CN 107575919B CN 201711023140 A CN201711023140 A CN 201711023140A CN 107575919 B CN107575919 B CN 107575919B
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- exhaust fume
- air inlet
- fume collecting
- smoke
- hood
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Abstract
The invention discloses a kind of range hoods, belong to kitchen appliance technical field, for solve existing apparatus lampblack-preventing escape effect it is poor the problems such as and design.Range hood of the present invention includes exhaust fume collecting hood, exhaust fume collecting hood is recessed forms smoke collecting chamber upwards, main air inlet is provided on smoke collecting chamber, the lower end of exhaust fume collecting hood is provided with the auxiliary air inlet opening on the outside of smoke collecting chamber, the auxiliary discharge flue being connected to auxiliary air inlet opening is provided on exhaust fume collecting hood, range hood further includes the extractor fan that can will assist the extraction of the oil smoke in discharge flue.Extractor hood structure provided by the invention is simple, and lampblack-preventing escape effect is good, and it is inconvenient to avoid air curtain technology bring；And can directly remove part-structure on existing exhaust fume collecting hood and form auxiliary air inlet opening, it avoids additional setting wind deflector and gives user's bring inconvenience, shape is more simple and beautiful.
Description
Technical field
The present invention relates to kitchen appliance more particularly to a kind of range hoods.
Background technique
Range hood usually has exhaust fume collecting hood, and exhaust fume collecting hood is recessed forms smoke collecting chamber upwards, and smoke collecting chamber is equipped with air inlet and mistake
Strainer, air inlet are connected to air duct.The oil smoke generated in cooking process is collected in smoke collecting chamber, and by connecting with smoke collecting chamber
Air duct be discharged it is outdoor.However if oil smoke is easy to from air inlet when the oil smoke of cooking stove generation is excessive or external air flow disturbs
Outside (the predominantly two sides and front of the exhaust fume collecting hood) escape of mouth, impacts the health of kitchen environment and user.
Air curtain technology and the escape of smoke blocking board technology lampblack-preventing are generallyd use at present.Wherein: 1, air curtain technology refers in oil smoke
Blower is installed, blower can spray high-speed gas and surround cooking stove, form an annular air curtain, prevent oil smoke from escaping on machine periphery
Ease.The shortcomings that technology, is that air curtain hinders air-flow to range hood internal flow while oil smoke is isolated, so that smoke machine
Suction reduces, and the oil smoke for escaping into periphery can also penetrate into air curtain, cause indoor environmental pollution；And if being needed when user's culinary art
Condiment is added, air curtain can blow away condiment, cause great inconvenience to user.2, smoke blocking board technology refers to installs additional in exhaust fume collecting hood two sides
Smoke blocking board, physical blocks the oil smoke toward two sides escape.The shortcomings that technology is that oil smoke may still escape from front, direct shadow
Ring user health, and two sides install additional smoke blocking board may collide with user head and influence it is overall beautiful.
Summary of the invention
It is an object of the invention to propose a kind of range hood that lampblack-preventing escape effect is good.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of range hood, including exhaust fume collecting hood, the exhaust fume collecting hood are recessed form smoke collecting chamber upwards, are arranged on the smoke collecting chamber
There is a main air inlet, the lower end of the exhaust fume collecting hood is provided with the auxiliary air inlet opening on the outside of the smoke collecting chamber, on the exhaust fume collecting hood
It is provided with the auxiliary discharge flue being connected to the auxiliary air inlet opening, the range hood further includes that the auxiliary can be discharged fume
The extractor fan of oil smoke extraction in channel.
Further, the extractor fan is the accessory fan being set in the auxiliary discharge flue.
Further, the range hood further includes controller and the smoke sensor device that is set on the outside of the smoke collecting chamber；
Whether the outside that the smoke sensor device is used to detect the smoke collecting chamber has the oil smoke of escape, and the controller is used in the cigarette
Mist sensor starts the accessory fan when detecting escape oil smoke.
Further, front, left part, right part and the rear portion of the exhaust fume collecting hood lower end this everywhere at least two at be arranged
There are the accessory fan and the smoke sensor device, the controller can be detected in the smoke sensor device at any place to be escaped
Start the accessory fan at this when ease oil smoke.
Further, the smoke sensor device is set on the bottom surface of the exhaust fume collecting hood.
Further, wind cabinet is provided with above the exhaust fume collecting hood, the main air inlet is connected to the wind cabinet, the wind
Main air blower is provided in cabinet.
Further, the air outlet of the auxiliary discharge flue is connected to the wind cabinet, and the auxiliary discharge flue goes out
Deflector is provided at air port.
Further, the angle of the deflector and horizontal plane is α, 30 α≤75 ° ° ≦.
Further, front, left part and the right part of the exhaust fume collecting hood lower end are provided with the auxiliary air inlet opening.
Further, the auxiliary air inlet opening is to be set on bottom surface and/or the inner sidewall of the lower end of the exhaust fume collecting hood
Opening.
Further, the exhaust fume collecting hood includes lower cover plate, bottom plate, side plate and upper cover plate, the upper end of the lower cover plate and institute
The upper end for stating upper cover plate is connected to the inside edge of bottom plate in inclination, the bottom edge of the lower cover plate upwards to centre respectively,
The outer ledge of bottom plate is connected to the bottom end of side plate, and the top of the side plate is connected to the outer ledge of the upper cover plate, described
The lower section of lower cover plate forms the smoke collecting chamber.
Beneficial effects of the present invention are as follows:
Range hood provided by the invention, the lower end of exhaust fume collecting hood are provided with the auxiliary air inlet opening on the outside of main air inlet,
When oil smoke not can enter main air inlet to when indoor escape, the oil smoke of escape can enter position under the action of extractor fan
Auxiliary air inlet opening on the outside of smoke collecting chamber and the auxiliary discharge flue discharge outdoor through being connected to auxiliary air inlet opening.The present embodiment mentions
The extractor hood structure of confession is simple, and lampblack-preventing escape effect is good, and it is inconvenient to avoid air curtain technology bring；And it can be in existing collection
Part-structure is directly removed on petticoat pipe and forms auxiliary air inlet opening, is avoided additional setting wind deflector and is given user's bring inconvenience, outside
Shape is more simple and beautiful.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the main view direction of range hood provided in an embodiment of the present invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the cross-sectional view of the side-looking direction of range hood provided in an embodiment of the present invention；
Fig. 4 is the top view of range hood provided in an embodiment of the present invention；
Fig. 5 is the bottom view of range hood provided in an embodiment of the present invention.
In figure: 1, wind cabinet；2, exhaust fume collecting hood；3, smoke collecting chamber；4, main air inlet；5, auxiliary air inlet opening；6, discharge flue is assisted；
7, accessory fan；8, smoke sensor device；9, controller；10, deflector；11, main air blower；
21, lower cover plate；22, bottom plate；23, side plate；24, upper cover plate.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment:
(flow direction of the arrow instruction oil smoke in Fig. 1 and Fig. 3) as shown in Figure 1 to Figure 3, present embodiments provides one kind
Range hood comprising exhaust fume collecting hood 2 and the wind cabinet 1 for being set to 2 top of exhaust fume collecting hood, recess forms smoke collecting chamber 3 to exhaust fume collecting hood 2 upwards,
Main air inlet 4 is provided on smoke collecting chamber 3, main air inlet 4 is connected to the air inlet of wind cabinet 1, and main air blower 11 is provided in wind cabinet 1.
The lower end of exhaust fume collecting hood 2 is provided with the auxiliary air inlet opening 5 positioned at 3 outside of smoke collecting chamber, is provided with and auxiliary air inlet opening 5 on exhaust fume collecting hood 2
The auxiliary discharge flue 6 of connection, range hood further include the extractor fan that can will assist the extraction of the oil smoke in discharge flue 6.
Extractor fan is preferred but is not limited to the accessory fan 7 being set in auxiliary discharge flue 6.Accessory fan 7 is preferred but does not limit to
For cross flow fan, axial flow blower or centrifugal blower.More specifically, exhaust fume collecting hood 2 include lower cover plate 21, bottom plate 22, side plate 23 and on
Cover board 24, bottom plate 22 preferably are not limited to be horizontally disposed with, and side plate 23 preferably is not limited to be vertically arranged, the upper end of lower cover plate 21 and upper cover
The upper end of plate 24 is connected to the inside edge of bottom plate 22, bottom plate in inclination, the bottom edge of lower cover plate 21 upwards to centre respectively
22 outer ledge is connected to the bottom end of side plate 23, and the top of side plate 23 is connected to the outer ledge of upper cover plate 24, upper cover plate 24
Tip edge connect with the bottom edge of 1 shell of wind cabinet.The lower section of lower cover plate 21 forms smoke collecting chamber 3.The upper end shape of smoke collecting chamber 3
At above-mentioned main air inlet 4.Above-mentioned auxiliary discharge flue 6 is formed between lower cover plate 21 and upper cover plate 24.
Range hood provided in this embodiment, the lower end of exhaust fume collecting hood 2 are provided with the auxiliary air inlet positioned at 4 outside of main air inlet
Mouth 5, when oil smoke not can enter main air inlet 4 to when indoor escape, the oil smoke of escape can be under the action of extractor fan
Into the auxiliary air inlet opening 5 being located on the outside of smoke collecting chamber 3, and room is discharged after the auxiliary discharge flue 6 through being connected to auxiliary air inlet opening 5
Outside.Extractor hood structure provided in this embodiment is simple, and lampblack-preventing escape effect is good, and it is inconvenient to avoid air curtain technology bring；
And can directly remove part-structure on existing exhaust fume collecting hood 2 and form auxiliary air inlet opening 5, additional setting wind deflector is avoided to use
Family bring is inconvenient, and shape is more simple and beautiful.
Since the rear end of range hood is directly hung in cavity wall, so preferably, as shown in Figure 4 and Figure 5,
Above-mentioned auxiliary air inlet opening 5 is respectively set at three in this to front, left part and the right part of 2 lower end of exhaust fume collecting hood, with prevent oil smoke from these
Direction escape.Certainly, at the front of 2 lower end of exhaust fume collecting hood, left part, right part and rear portion, above-mentioned auxiliary air inlet opening is respectively set in this everywhere
5, or this everywhere in one at or two at setting auxiliary air inlet opening 5 also belong to the protection scope of the present embodiment.
On the basis of above structure, auxiliary air inlet opening 5 is preferred but is not limited on the bottom surface for being set to 2 lower end of exhaust fume collecting hood
The opening of (being set on bottom plate 22), such as also can be set in (being set to lower cover plate on the inner sidewall of 2 lower end of exhaust fume collecting hood
On the inner sidewall of 21 lower ends) opening.The quantity and distribution form of auxiliary air inlet opening 5 are not specifically limited, and can be avoided as far as possible
Oil smoke is to indoor escape.For example, the quantity of auxiliary air inlet opening 5 can be only one or be at least two.Work as auxiliary air inlet
When mouthfuls 5 quantity is one, this auxiliary air inlet opening 5 can be only located at the front of 2 lower end of exhaust fume collecting hood, left part, right part and after
Portion this everywhere in one on, can also be located at this everywhere in two on, at three on or be located at simultaneously this everywhere on.Work as auxiliary
When the quantity of air inlet 5 is at least two, auxiliary air inlet opening 5 be distributed in the front of 2 lower end of exhaust fume collecting hood, left part, right part and/or after
Portion.
On the basis of above structure, the air outlet of discharge flue 6 and the air inlet of the wind cabinet 1 of range hood is assisted to connect
It is logical, it assists being provided with deflector 10 at the air outlet of discharge flue 6.The angle of deflector 10 and horizontal plane is α, 30 ° ≦ α≤
75°.Deflector 10 can flow in favor of oil smoke into wind cabinet 1.
On the basis of above structure, in order to discover and rule out the oil smoke of escape in time, fume eliminating efficiency, fume eliminating are promoted
Machine includes controller 9 and the smoke sensor device 8 for being set to 3 outside of smoke collecting chamber；Smoke sensor device 8 is used to detect the outer of smoke collecting chamber 3
Whether side has the oil smoke of escape, and controller 9 is used to start accessory fan 7 when smoke sensor device 8 detects escape oil smoke.Smog
The setting position of sensor 8 is not specifically limited, and meets the outside for being set to 3 outside of smoke collecting chamber, being able to detect that main air inlet 4
Whether the oil smoke of escape is had.But in order to be found when oil smoke is upon escape to improve the effect of lampblack-preventing escape,
Smoke sensor device 8 is set on the bottom surface of exhaust fume collecting hood 2.Certainly, smoke sensor device 8 may also set up in the outer wall of 2 lower end of exhaust fume collecting hood
On, but since part oil smoke at this time has escaped below exhaust fume collecting hood 2, fume eliminating effect is poor.Further, it can be appreciated that
Ground is not provided with smoke sensor device 8, but starts or close accessory fan 7 according to specific needs by user and also belong to this implementation
The protection scope of example.
On the basis of above structure, auxiliary air inlet opening 5, auxiliary are provided in the front of exhaust fume collecting hood 2, left part and right part
Blower 7 and smoke sensor device 8；When the smoke sensor device 8 of only left part detects the oil smoke escaped to the left side, then controller 9 only opens
The dynamic accessory fan 7 positioned at left part；When the smoke sensor device 8 of only front detects the oil smoke anteriorly escaped, then controller 9 is only
Starting is located at the accessory fan 7 of front；When this smoke sensor device 8 at three detects escape oil smoke, then controller 9 is simultaneously
Start this accessory fan 7 at three.Understandably, the front of exhaust fume collecting hood 2, left part, right part and rear portion this everywhere in two at
Or this is provided with accessory fan 7 and smoke sensor device 8 simultaneously everywhere, smoke sensor device 8 of the controller 9 at any place, which detects, to be escaped
Start the protection scope that the accessory fan 7 at this also belongs to the present embodiment when ease oil smoke.This preferred embodiment can be targeted
Fume eliminating, it is more energy efficient.
This implementation is briefly introduced so that the front of 2 lower end of exhaust fume collecting hood, left part and right part are provided with auxiliary air inlet opening 5 as an example below
The application method of example range hood:
Under normal circumstances, negative pressure forces oil smoke to enter smoke collecting chamber 3, enters wind cabinet 1 by main air inlet 4 and passes through main wind
Outdoor is discharged in machine 11.But when instantaneous oil smoke is excessive or external flow-disturbing occurs, oil smoke can escape to 3 surrounding of smoke collecting chamber.At this time
Smoke sensor device 8 detects fumes escaping, and by signal feedback to controller 9, controller 9 controls auxiliary according to the signal of feedback
Blower 7 is helped to open.The accessory fan 7 of 2 left part of exhaust fume collecting hood is opened if oil smoke is to left side escape, is opened if oil smoke is to the right escape
It opens the accessory fan 7 of 2 right part of exhaust fume collecting hood, open the accessory fan 7 of 2 front of exhaust fume collecting hood if oil smoke is to front escape, assist wind
Machine 7 makes to generate negative pressure in its corresponding auxiliary discharge flue 6, and oil smoke enters auxiliary discharge flue 6 simultaneously by auxiliary air inlet opening 5
Enter inside wind cabinet 1 through auxiliary discharge flue 6, outdoor is discharged by main air blower 11.
In addition, it is necessary to be explanatorily, the setting of the extractor fan in the present embodiment is not limited to above situation, for example,
When assisting the air outlet of discharge flue 6 to be connected to wind cabinet 1, assists that blower can also be not provided in discharge flue 6, but pass through
Main air blower 11 in wind cabinet 1 will assist the oil smoke in discharge flue 6 to extract out, i.e., at this point, main air blower 11 doubles as above-mentioned extractor fan.
In addition, auxiliary discharge flue 6 can not also be connected to wind cabinet 1 but individually be connected to outdoor.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within
Within protection scope of the present invention.
Claims (6)
1. a kind of range hood, including exhaust fume collecting hood (2), recess is formed smoke collecting chamber (3) exhaust fume collecting hood (2) upwards, the collection cigarette
Main air inlet (4) are provided on chamber (3), which is characterized in that the lower end of the exhaust fume collecting hood (2) is provided with positioned at the smoke collecting chamber
(3) auxiliary air inlet opening (5) on the outside of is provided with the auxiliary smoke evacuation being connected to the auxiliary air inlet opening (5) on the exhaust fume collecting hood (2)
Channel (6), the range hood further includes can be by the extractor fan of the oil smoke extraction in auxiliary discharge flue (6)；
The extractor fan is the accessory fan (7) being set in auxiliary discharge flue (6), and the range hood further includes
Controller (9), the front, left part, right part and rear portion of the exhaust fume collecting hood (2) lower end this everywhere at least two at setting
Accessory fan (7) and smoke sensor device (8) are stated, the controller can be detected in the smoke sensor device (8) at any place
Start the accessory fan (7) at this when escape oil smoke, the smoke sensor device (8) is set to the bottom of the exhaust fume collecting hood (2)
On face.
2. range hood according to claim 1, which is characterized in that be provided with wind cabinet above the exhaust fume collecting hood (2)
(1), the main air inlet (4) is connected to the wind cabinet (1), is provided with main air blower (11) in the wind cabinet (1).
3. range hood according to claim 2, which is characterized in that the air outlet of auxiliary discharge flue (6) and institute
Wind cabinet (1) connection is stated, is provided with deflector (10) at the air outlet of auxiliary discharge flue (6).
4. range hood according to claim 3, which is characterized in that the angle of the deflector (10) and horizontal plane is α,
30°
≤ α≤ 75°。
5. range hood according to claim 1, which is characterized in that front, left part and the right side of exhaust fume collecting hood (2) lower end
Portion is provided with the auxiliary air inlet opening (5).
6. range hood according to claim 1, which is characterized in that the auxiliary air inlet opening (5) is to be set to the collection
The bottom surface of the lower end of petticoat pipe (2) and/or the opening on inner sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711023140.0A CN107575919B (en) | 2017-10-27 | 2017-10-27 | A kind of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711023140.0A CN107575919B (en) | 2017-10-27 | 2017-10-27 | A kind of range hood |
Publications (2)
| Publication Number | Publication Date |
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| CN107575919A CN107575919A (en) | 2018-01-12 |
| CN107575919B true CN107575919B (en) | 2019-03-22 |
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ID=61040843
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711023140.0A Active CN107575919B (en) | 2017-10-27 | 2017-10-27 | A kind of range hood |
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| CN (1) | CN107575919B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916961A (en) * | 2018-09-14 | 2018-11-30 | 南京英维尔科技服务有限公司 | A kind of intelligent range hood and control method |
| CN109000295B (en) * | 2018-09-27 | 2023-09-08 | 佛山市顺德区美的洗涤电器制造有限公司 | Range hood shell and range hood with same |
| CN108826411A (en) * | 2018-09-29 | 2018-11-16 | 中山市樱雪集团有限公司 | Range hood structure with multidirectional air inlet function |
| CN109253484A (en) * | 2018-11-13 | 2019-01-22 | 林德祥 | Smoke evacuation system |
| CN110094779A (en) * | 2019-05-07 | 2019-08-06 | 葫芦岛智多多科技有限责任公司 | A kind of anti-race cigarette direct absorbing type kitchen ventilator |
| CN110220232B (en) * | 2019-07-17 | 2020-11-06 | 宁波奥克斯电气股份有限公司 | Control method for wind speed gear of range hood and range hood |
| CN110686291B (en) * | 2019-10-11 | 2021-02-26 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN113048521B (en) * | 2019-12-26 | 2024-03-29 | 广东美的白色家电技术创新中心有限公司 | Fume exhaust fan |
| CN112344406B (en) * | 2020-10-16 | 2022-01-25 | 宁波方太厨具有限公司 | Range hood and control method thereof |
| CN112484111B (en) * | 2020-11-16 | 2022-10-21 | 嵊州市浙江工业大学创新研究院 | Auxiliary air inlet system of integrated stove and control method |
| CN112648664B (en) * | 2021-01-06 | 2022-01-25 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN113405132A (en) * | 2021-06-23 | 2021-09-17 | 海信(广东)厨卫系统股份有限公司 | Smoke collecting hood and using method thereof |
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| CN107166473A (en) * | 2017-07-25 | 2017-09-15 | 佛山市正略信息科技有限公司 | A kind of energy-saving range hood |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5292907B2 (en) * | 2008-04-23 | 2013-09-18 | パナソニック株式会社 | Range food |
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| CN101614415A (en) * | 2009-08-10 | 2009-12-30 | 合肥博普高新科技有限公司 | Energy-saving, environment-friendly and high-efficiency side-draft range hood |
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| CN107575919A (en) | 2018-01-12 |
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