CN108019803B - Non-planar range hood with entrainment effect - Google Patents
Non-planar range hood with entrainment effect Download PDFInfo
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- CN108019803B CN108019803B CN201711248536.5A CN201711248536A CN108019803B CN 108019803 B CN108019803 B CN 108019803B CN 201711248536 A CN201711248536 A CN 201711248536A CN 108019803 B CN108019803 B CN 108019803B
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- range hood
- oil smoke
- duct
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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
- F24C15/2028—Removing cooking fumes using an air curtain
Abstract
The utility model provides a non-planar smoke ventilator with effect is inhaled to cigarette, including the cigarette machine main part, the cigarette machine main part is provided with the shell, through the shell, the cigarette machine main part forms the inside low pressure region of bordering on the shell edge, the boundary part definition that the shell edge constitutes is space interface, the part definition outside the space interface is outside high pressure region, still be provided with a n air inlet face, the concatenation of a n air inlet face constitutes the shell, every air inlet face has a corresponding air intake group, the inside low pressure region is equipped with the water conservancy diversion cavity, and the discharge flue at the one end intercommunication cigarette machine main part top of water conservancy diversion cavity, the inside convulsions subassembly of other end intercommunication cigarette machine main part. This non-planar formula smoke ventilator with entrainment effect redesigns smoke ventilator's shell and inner structure with aerodynamic angle, and the problem of oil smoke diffusion has been solved to the air of make full use of kitchen inner space to smoke ventilator's work efficiency has been improved.
Description
Technical Field
The invention relates to the technical field of range hoods, in particular to a non-planar range hood with a entrainment effect.
Background
The existing range hood, whether a shell or an air inlet group, is mainly designed into a plane or an inclined plane, and more oil smoke suspended in the air is captured by increasing the size of the air inlet group.
Such a hood is not designed to be more optimal in aerodynamic terms, thus resulting in a hood with less than optimal pumping efficiency.
Therefore, it is necessary to provide a non-planar range hood with entrainment effect to solve the deficiencies of the prior art.
Disclosure of Invention
The invention aims to avoid the defects of the prior art and provide the non-planar range hood with the entrainment effect.
The above object of the present invention is achieved by the following technical means.
Providing a non-planar range hood having a cigarette smoking effect, comprising a hood body provided with an outer shell by which the hood body forms an inner low pressure region bounded by a shell edge, the bounded portion by the shell edge being defined as a spatial interface, the portion outside the spatial interface being defined as an outer high pressure region;
the air conditioner is also provided with n air inlet surfaces, the n air inlet surfaces are spliced to form the shell, and each air inlet surface is provided with a corresponding air inlet group;
n air inlet surfaces are respectively defined as S 0 、S 1 、...、S i 、...、S n-1 Center point P of n air inlet sets 0 、P 1 、...、P i 、...、P n-1 Are respectively located at S 0 、S 1 、...、S i 、...、S n-1 。
Specifically, a flow guide cavity is arranged in the internal low-pressure area, the flow guide cavity is a single-channel cavity, one end of the flow guide cavity is communicated with a discharge flue at the top of the range hood main body, and the other end of the flow guide cavity is communicated with an air exhaust assembly in the range hood main body;
the diameter of the air inlet group of the diversion cavity is R, the diameter of the air outlet of the diversion cavity is R, and R is larger than R.
Preferably, the air inlet surfaces are respectively in at least one of a plane structure or a non-plane structure, and any one air inlet surface is seamlessly spliced with other adjacent air inlet surfaces.
Specifically, the inside of the air duct is in a negative pressure state with respect to the soot in the external space region.
Furthermore, the air duct comprises a clean air inlet duct and an oil smoke inlet duct, one end of the clean air inlet duct is communicated with the clean air inlet group, and the other end of the clean air inlet duct is communicated with an air inlet of the air exhaust assembly;
one end of the oil smoke air inlet duct is communicated with the oil smoke air inlet group, and the other end of the oil smoke air inlet duct is communicated with the smoke discharge duct.
Furthermore, the clean air inlet duct and the oil smoke air inlet duct are respectively provided with an infiltration slow-release device.
Preferably, the infiltration slow-release device comprises a shell, the bottom of the shell is provided with a sealing nozzle inserted into the clean air inlet duct or the oil smoke air inlet duct, and the sealing nozzle is provided with a flow guide core communicated with the inner cavity of the shell and the inner wall of the air duct.
Furthermore, the water conservancy diversion core is cotton thread, polyester fibre or nylon thread.
Specifically, the outer surface of the housing serves as a guide surface in the moving direction of the lampblack, rather than forming a covered area for gathering the lampblack;
at least one air inlet group is arranged at the position of the non-covering area of the shell.
Preferably, the shell is provided with n air inlet groups, each air inlet group is respectively communicated with the same end part of the air channel in the main body of the range hood, and each air inlet group is of a single-hole structure or a multi-hole structure;
the central point of each air inlet group is P 0 、P 1 、……、P i 、……、P n-1 (ii) a N is not less than 2,1 is not less than i not less than n-1, i and n are positive integers, n is not less than 2, and any center point P in the lowest position of the center points of the air inlet sets is used 0 Establishing a three-dimensional coordinate system for the origin;
in passing through P 0 And in a plane parallel to the horizontal plane, through P 0 And two mutually perpendicular straight lines are defined as X-axis and Y-axis, which will pass through P 0 And a line perpendicularly intersecting the X-axis and the Y-axis, respectively, is defined as a Z-axis, P 0 The coordinate in the three-dimensional coordinate system is P 0 (X 0 ,Y 0 ,Z 0 )＝P 0 (0,0,0)；
The coordinate of the central point of the n air inlet groups on the three-dimensional coordinate axis is P 0 (0,0,0)、P 1 (X 1 ,Y 1 ,Z 1 )、……、P i (X i ,Y i ,Z i )、……、P n-1 (X n-1 ,Y n-1 ,Z n-1 )，P 0 (0,0,0)≠P i (X i ,Y i ,Z i ) And P is i To P n-1 Has at least one Z-axis coordinate other than0。
The invention redesigns the shell and the internal structure of the range hood from an aerodynamic angle, fully utilizes the air in the internal space of a kitchen, solves the problem of oil smoke diffusion, and thereby improves the working efficiency of the range hood.
Drawings
The invention is further illustrated by means of the attached drawings, the content of which is not in any way limiting.
Fig. 1 is a diagram of the adsorption effect of a non-planar range hood with entrainment effect according to the present invention.
Fig. 2 is a schematic structural view of the guide chamber in fig. 1.
Fig. 3 is a partially enlarged view of the housing of fig. 1.
From fig. 1 to 3, the method includes:
1. a cigarette machine main body;
11. a shell 12, an internal low-pressure area 13, an external high-pressure area 14 and an air inlet surface;
2. an air inlet group;
21. a cleaning air inlet group 22 and an oil smoke air inlet group;
3. a flow-directing chamber;
4. a discharge flue;
5. an air draft assembly;
6. an air duct;
61. cleaning an air inlet duct 62 and an oil smoke air inlet duct;
7. infiltrating the slow release device;
71. the shell body 72, the sealing nozzle 73 and the flow guide core.
Detailed Description
The invention is further described with reference to the following examples.
The upper air inlet group, the lower air inlet group and the air inlet group in the embodiment are the general names of the upper air inlet group and the lower air inlet group.
Example 1.
As shown in fig. 1-3, a non-planar range hood with a cigarette-smoking effect comprises a range hood body 1, wherein the range hood body 1 is provided with a shell 11, the range hood body 1 forms an inner low-pressure region 12 with the edge of the shell 11 as a boundary through the shell 11, the boundary part formed by the edge of the shell 11 is defined as a space interface, and the part outside the space interface is defined as an outer high-pressure region 13.
The interior of the housing 11 is in a negative pressure state with respect to the soot in the outer space region.
The interior low pressure region 12 is formed by the high velocity airflow generated by the updraft assembly 5 within the body 1 of the range hood, and the exterior space region is at a higher pressure relative to the air within the housing 71.
N air inlet surfaces 14 are further arranged, the n air inlet surfaces 14 are spliced to form the shell 11, and each air inlet surface 14 is provided with a corresponding air inlet group 2.
The air inlet surface 14 can be a plane or a curved surface, the shapes of the spliced shells 71 are different according to the difference of the air inlet surfaces 14, and the spliced shell 11 can generate the coanda effect.
Meanwhile, the number of the air inlet groups 2 is more than one, oil smoke is adsorbed through multiple points, and the surface of the shell 11 can generate a rolling and sucking effect.
n air inlet surfaces 14 are respectively defined as S 0 、S 1 、...、S i 、...、S n-1 Center point P of n air inlet sets 2 0 、P 1 、...、P i 、...、P n-1 Are respectively located at S 0 、S 1 、...、S i 、...、S n-1 。
The inside low pressure region is equipped with water conservancy diversion cavity 3, and water conservancy diversion cavity 3 is the single pass cavity, and the one end of water conservancy diversion cavity 3 communicates discharge flue 4 at 1 top of cigarette machine main part, and the other end communicates 1 inside convulsions subassembly 5 of cigarette machine main part.
The diversion chamber 3 can accelerate the oil smoke in the smoke machine main body 1 to flow, and improve the oil smoke adsorption effect at the air inlet group 2.
According to the Venturi effect, the diameter of the air inlet group 2 of the diversion chamber 3 is R, the diameter of the air outlet of the diversion chamber 3 is R, and R is larger than R.
The air inlet surfaces 14 are respectively at least one of planar structures or non-planar structures, and any one air inlet surface 14 is seamlessly spliced with other adjacent air inlet surfaces 14.
The spliced shell 11 is spherical or polyhedral or other irregular shapes.
It should be noted that the invention redesigns the housing 11 and the internal structure of the range hood in an aerodynamic angle, fully utilizes the air in the internal space of the kitchen, solves the problem of oil smoke diffusion, and thus improves the working efficiency of the range hood.
Example 2.
A non-planar range hood having entrainment effect, the other features being the same as in example 1 except that: as shown in fig. 1, the embodiment can improve the efficiency of oil smoke discharge and simultaneously ensure long-term cleaning of the interior of the air draft assembly 5.
The inside wind channel 6 that is equipped with of cigarette machine main part 1, wind channel 6 are including clean air inlet duct 61 and oil smoke air inlet duct 62, and clean air inlet duct 61 one end intercommunication clean air intake group 21, other end intercommunication convulsions subassembly 5 air inlet.
The clean air intake group 21 is used to draw fresh air from the top of the external space.
The oil smoke air inlet group 22 is used for extracting oil smoke gas generated by the stove.
The clean air inlet duct 61 and the soot air inlet duct 62 separate the soot gas and the fresh gas.
One end of the oil smoke inlet duct 62 is communicated with the oil smoke inlet set 22, and the other end is communicated with the discharge flue 4.
It should be noted that, in order to keep the interior of the ventilation assembly 5 clean for a long time, the embodiment separately pumps and conveys the pumped oil smoke gas and the fresh air, and the fresh air generates a strong airflow to pump the oil smoke gas away by utilizing the principle of aerodynamics.
Example 3.
A non-planar range hood having entrainment effect, the other features being the same as in example 1 except that: as shown in fig. 1, the infiltrating sustained-release device 7 in this embodiment can release the infiltrating sustained-release agent, and the infiltrating sustained-release agent can decompose the oil dirt attached to the wall of the air duct 6.
Specifically, the clean air inlet duct 61 and the lampblack air inlet duct 62 are respectively provided with a soaking slow-release device 7.
The infiltration slow-release device 7 comprises a shell 71, the bottom of the shell 71 is provided with a sealing nozzle 72 inserted into the clean air inlet duct 61 or the lampblack air inlet duct 62, and the sealing nozzle 72 is provided with a flow guide core 73 communicating the inner cavity of the shell 71 and the inner wall of the air duct 6.
The infiltration slow-release agent is drained through the diversion core 73, any control switch and manual operation starting are not needed, the infiltration slow-release agent can be automatically released, and the operation is more convenient.
The water conservancy diversion core 73 specifically can be cotton thread, wash the drainage material of other materials such as fibre line or nylon line.
It should be noted that, by installing the infiltration slow-release device 7 inside the air duct 6, the inside of the clean air inlet duct 61 and the oil smoke air inlet duct 62 can be kept clean for a long time, the service life of the range hood is prolonged, and the range hood is convenient to clean.
Example 4.
A non-planar range hood having entrainment effect, the other features being the same as in example 1, except that: as shown in fig. 1, this embodiment is based on the principle of aerodynamics, and the outer shell 11 of the cigarette machine body 1 is designed as a hood-free structure.
The outer surface of the outer casing 11 of the range hood body 1 serves as a guide surface in the moving direction of the lampblack, rather than forming a hood region for gathering the lampblack.
All outer surfaces of the housing 11 may be used as guide surfaces, and the housing 11 may have a flat structure in which a cover of any one of a flat surface, an inclined surface, and a non-flat surface is not provided above the cooking range.
At least one air inlet group 2 is arranged at the position of the non-covering area of the shell 11.
According to the aerodynamic principle, after oil smoke is generated, the oil smoke moves along the outer surface of the shell 11 and is sucked into the air duct 6 in the main body 1 of the range hood by the air inlet group 2 arranged at least one non-covering area position.
In this description, the above mentioned hood area refers to a smoke collecting area formed by the outer shell 11 of the range hood, and smoke generated by the range below the range hood mainly enters the smoke collecting area due to the hood area, is sucked into the air duct 6 through the air inlet set 2 arranged above the hood area, and is finally discharged from the smoke outlet.
In the range hood of the invention, the shell 11 is not used for forming a smoke gathering area, but used for forming an attached guide surface for moving the oil smoke, and the oil smoke is not gathered in a space formed by the shell 11 and is sucked away, but is moved from bottom to top along the surface of the shell 11 and is sucked into the air duct 6 by the nearby air inlet group 2.
Therefore, the non-covered region in the present invention is a region of the housing 11 that is not intended to collect soot, as compared with the covered region in the related art.
The housing 11 can make the oil smoke adhere to its surface and rise, and through a plurality of air intake group 2 simultaneous absorption, can form the effect of entrainment on the housing 11 surface, adsorb the oil smoke of all sides.
It should be noted that the range hood with the non-planar structure designed by the invention is not provided with a structure similar to a hood body, and a hood region does not exist, so that the occupied space area is reduced, meanwhile, the oil smoke can flow attached to the outer surface of the shell 11, and is finally sucked into the range hood by the air inlet groups 2 at different positions and discharged, the adsorption effect of the oil smoke is enhanced, and the utilization rate of the outer surface of the shell 11 is improved.
Example 5.
A non-planar range hood having entrainment effect, the other features being the same as in example 1 except that: this embodiment further defines the air intake stack 2.
The number of the air inlet groups 2 is n, each air inlet group 2 is respectively communicated with the same end part of an air inlet duct 6 in the cigarette machine main body 1, and each air inlet group 2 is of a single-hole structure or a multi-hole structure.
The n air inlet groups 2 are all connected with the air inlet groups 2 at the end parts of different air ducts 6, for example, a structure similar to a filter net is assembled at the air inlet groups 2, and the air inlet groups 2 covered by the filter net are regarded as the same air inlet group 2.
The central point of each air inlet group 2 is P 0 、P 1 、……、P i 、……、P n-1 (ii) a N is not less than 2,1 is not less than i not less than n-1, i and n are positive integers, n is not less than 2, and any center point P in the lowest position of the center points of the air inlet group 2 is used 0 A three-dimensional coordinate system is established for the origin.
In passing through P 0 And in a plane parallel to the horizontal plane, passing through P 0 And two mutually perpendicular straight lines are defined as X-axis and Y-axis, which will pass through P 0 And a line perpendicularly intersecting the X-axis and the Y-axis, respectively, is defined as a Z-axis, P 0 Coordinate in three-dimensional coordinate system is P 0 (X 0 ,Y 0 ,Z 0 )＝P 0 (0,0,0)。
The inlet sets 2 in this embodiment are not on the same plane, and therefore, the coordinates of the inlet sets 2 are defined as follows:
the coordinate of the central point of the N air inlet groups 2 on the three-dimensional coordinate axis is P 0 (0,0,0)、P 1 (X 1 ,Y 1 ,Z 1 )、……、P i (X i ,Y i ,Z i )、……、P n-1 (X n-1 ,Y n-1 ,Z n-1 )，P 0 (0,0,0)≠P i (X i ,Y i ,Z i ) And P is i To P n-1 At least one of which is not 0.
It should be noted that, the more the number of the air inlet groups 2 set in this embodiment is, the better the oil smoke adsorption effect is, and meanwhile, all the air inlet groups 2 are not in the same plane, and the opening directions of any two air inlet groups 2 are different, so that the adsorption of the oil smoke in all directions can be effectively completed.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. A non-planar range hood with a rolling suction effect comprises a hood body and is characterized in that: the cigarette machine main body is provided with a shell, the cigarette machine main body forms an inner low-pressure area with the shell edge as a boundary through the shell, the boundary part formed by the shell edge is defined as a space interface, and the part outside the space interface is defined as an outer high-pressure area;
the air conditioner is also provided with n air inlet surfaces, the n air inlet surfaces are spliced to form the shell, and each air inlet surface is provided with a corresponding air inlet group;
n air inlet surfaces are respectively defined as S 0 、S 1 、...、S i 、...、S n-1 Center point P of n air inlet sets 0 、P 1 、...、P i 、...、P n-1 Are respectively located at S 0 、S 1 、...、S i 、...、S n-1 ；
An air duct is arranged in the range hood main body and comprises a clean air inlet duct and an oil smoke inlet duct, one end of the clean air inlet duct is communicated with the clean air inlet group, and the other end of the clean air inlet duct is communicated with an air inlet of the air draft assembly;
one end of the oil smoke air inlet duct is communicated with the oil smoke air inlet group, and the other end of the oil smoke air inlet duct is communicated with the smoke outlet duct;
the outer surface of the shell is used as a guide surface of the oil smoke moving direction, and is not provided with a covering area for gathering the oil smoke;
at least one air inlet group is arranged at the position of the non-covering area of the shell.
2. The non-planar range hood having a entrainment effect of claim 1, wherein: the inner low-pressure area is provided with a flow guide cavity, the flow guide cavity is a single-channel cavity, one end of the flow guide cavity is communicated with a discharge flue at the top of the range hood main body, and the other end of the flow guide cavity is communicated with an air exhaust assembly in the range hood main body;
the diameter of the air inlet group of the diversion cavity is R, the diameter of the air outlet of the diversion cavity is R, and R is larger than R.
3. The non-planar range hood having a entrainment effect according to claim 2, wherein: the air inlet surfaces are respectively at least one of planar structures or non-planar structures, and any one air inlet surface is seamlessly spliced with other adjacent air inlet surfaces.
4. The non-planar range hood having a entrainment effect of claim 3, wherein: the interior of the housing is in a negative pressure state relative to the oil smoke in the outer space region.
5. The non-planar range hood having a entrainment effect of claim 4, wherein: the clean air inlet duct and the oil smoke air inlet duct are respectively provided with an infiltration slow-release device.
6. The non-planar range hood having a entrainment effect of claim 5, wherein: the infiltration slow-release device comprises a shell, a sealing nozzle inserted into the clean air inlet duct or the lampblack air inlet duct is assembled at the bottom of the shell, and a flow guide core communicated with the inner cavity of the shell and the inner wall of the air duct is assembled at the sealing nozzle.
7. The non-planar range hood having a entrainment effect of claim 6, wherein: the water conservancy diversion core is cotton thread, washes the fibre line or the nylon line.
8. The non-planar range hood having a entrainment effect of claim 7, wherein: the shell is provided with n air inlet groups, each air inlet group is respectively communicated with the same end part of an air channel in the main body of the range hood, and each air inlet group is of a single-hole structure or a multi-hole structure;
the central point of each air inlet group is P 0 、P 1 、……、P i 、……、P n-1 (ii) a N is not less than 2,1 is not less than i not less than n-1, i and n are positive integers, n is not less than 2, and any center point P in the lowest position of the center points of the air inlet sets is used 0 Establishing a three-dimensional coordinate system for the origin;
in passing through P 0 And in a plane parallel to the horizontal plane, through P 0 And two mutually perpendicular straight lines are defined as X-axis and Y-axis, which will pass through P 0 And a line perpendicularly intersecting the X-axis and the Y-axis, respectively, is defined as a Z-axis, P 0 Coordinate in three-dimensional coordinate system is P 0 (X 0 ,Y 0 ,Z 0 )＝P 0 (0,0,0)；
The coordinate of the central point of the n air inlet groups on the three-dimensional coordinate axis is P 0 (0,0,0)、P 1 (X 1 ,Y 1 ,Z 1 )、……、P i (X i ,Y i ,Z i )、……、P n-1 (X n-1 ,Y n-1 ,Z n-1 )，P 0 (0,0,0)≠P i (X i ,Y i ,Z i ) And P is i To P n-1 At least one of which is not 0.
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| CN201711248536.5A CN108019803B (en) | 2017-11-27 | 2017-11-27 | Non-planar range hood with entrainment effect |
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| CN201711248536.5A CN108019803B (en) | 2017-11-27 | 2017-11-27 | Non-planar range hood with entrainment effect |
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| CN108019803B true CN108019803B (en) | 2022-12-30 |
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Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2180921Y (en) * | 1993-12-03 | 1994-10-26 | 吴振兴 | Purifier forsmoke exhauster |
| CN2298451Y (en) * | 1997-04-18 | 1998-11-25 | 祁建新 | Smoke-collecting apparatus of cooker hood |
| DE20005154U1 (en) * | 2000-03-15 | 2000-06-08 | Buercher Friedrich | Extractor hood |
| CN2713337Y (en) * | 2004-03-09 | 2005-07-27 | 李润身 | Semi-enclosed oil smoke extractor |
| CN201043773Y (en) * | 2007-04-29 | 2008-04-02 | 中国科学技术大学 | Rotational flow entrainment type cooking fume exhauster |
| ES2427831T3 (en) * | 2008-12-10 | 2013-11-04 | Electrolux Home Products Corporation N.V. | Suction hood |
| IT1404076B1 (en) * | 2011-02-08 | 2013-11-08 | Falmec S P A | INTAKE EQUIPMENT. |
| CN202350143U (en) * | 2011-11-21 | 2012-07-25 | 宁波欧琳厨具有限公司 | Encloser-free type extractor hood with randomly adjustable direction |
| CN202973262U (en) * | 2012-11-11 | 2013-06-05 | 尾扎郎加泽郎 | Internal circulating smoke gathering type range hood |
| CN202973253U (en) * | 2012-11-13 | 2013-06-05 | 浙江理工大学科技与艺术学院 | Range hood |
| CN203215822U (en) * | 2013-04-19 | 2013-09-25 | 毛显虬 | Range hood with spherical air-gathering board |
| CN206556103U (en) * | 2017-03-17 | 2017-10-13 | 河南三王电器科技有限公司 | Family expenses oil smoke inhales oil smoke separator only |
| CN107044674B (en) * | 2017-04-05 | 2019-01-22 | 广东美的厨房电器制造有限公司 | Range hood |
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