CN108180522A - A kind of novel scrak type rectification plate of range hood suitable for dual-range-head - Google Patents
A kind of novel scrak type rectification plate of range hood suitable for dual-range-head Download PDFInfo
- Publication number
- CN108180522A CN108180522A CN201810110628.5A CN201810110628A CN108180522A CN 108180522 A CN108180522 A CN 108180522A CN 201810110628 A CN201810110628 A CN 201810110628A CN 108180522 A CN108180522 A CN 108180522A
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- Prior art keywords
- gap
- opening
- air draft
- range
- novel
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- 239000000779 smoke Substances 0.000 claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000003517 fume Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 description 7
- 238000010411 cooking Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000000630 rising effect 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
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 discloses a kind of novel scrak type rectification plate of range hood suitable for dual-range-head, in the left and right sides of rectangular cowling panel (1), set a gap-like opening (2) respectively at air draft shroud rim (3)；Two described gap-like opening (2) in order to control both sides air draft flow proportional and selectively unlock or close；It is opened positioned at the gap-like opening (2) for generating big air draft shroud rim (3) side of fume pollution, to increase inhalation area closely；It is closed positioned at the gap-like opening (2) for generating small air draft shroud rim (3) side of fume pollution, to reduce inhalation area closely；A gap-like opening (2) for suitable positioned at fume pollution amount and smaller air draft shroud rim (3) both sides is turned off；It is opened positioned at the gap-like opening (2) for generating suitable and larger air draft shroud rim (3) both sides of fume pollution amount.The present invention can flexibly control both sides air draft flow proportional, improve oil smoke arresting efficiency.
Description
Technical field
The present invention relates to field of kitchen electric appliance, more particularly to the household cooker hood with cowling panel.
Background technology
Cooking fume pollutant can cause to seriously affect to the physical and mental health of Kitchen hygiene environment and operating personnel.With people
Improvement of living standard, people higher requirement is proposed to Air Quality in Kitchen.Improve the contaminant trapping energy of kitchen ventilator
Power can significantly improve Kitchen hygiene environment, reduce the health threat to kitchen operation personnel, while reduce cooking fume pair
The pollution of atmospheric environment, is of great significance.
Kitchen ventilator is made of wind turbine and petticoat pipe, and the structure type of petticoat pipe influences the distribution of air-flow, so as to affect kitchen ventilator
Oil smoke trapping effect.Ventilation velocity positioned at common petticoat pipe cover mouth face is unevenly distributed, and average ventilation velocity is smaller.If in cover
Mouth face sets one piece of cowling panel (also referred to as smoke deflector, rectangular relatively conventional), then cover mouth air draft region will be reduced to petticoat pipe edge
The annular region formed with cowling panel edge, air draft wind speed greatly increase, and gas stream of pollution flows to after rising along cowling panel wall surface to be covered
Mouth air draft region, optimizes air draft air current composition；Improve oil smoke arresting efficiency.Currently, rectification plate technique is in actual production
Also it is widely applied.
The range hood of cowling panel is carried currently on the market, is that one piece of left side is set in body face exhaust fume collecting hood air inlet position
Right symmetrical smoke deflector, such as Chinese patent 200910096759.3 (CN101514823), 201620176406.X
(CN205402856U).However, household gas range is usually dual-range-head at present, in daily cooking process, since chief cooker is usual
There are one only, a kitchen range is generally only used to carry out the larger operation of the fume pollutions amount such as cooking or frying, another kitchen range
Simple operations, the fume pollution amounts of generation such as idle or progress boiling are smaller.It is necessary to it is carried out according to actual use feature
It improves, to reach better oil smoke trapping effect, specific aim improves oil smoke arresting efficiency.
Oil smoke oil smoke arresting efficiency is divided into arresting efficiency of oil smoke and two by Chinese patent 201711254268.8
Secondary arresting efficiency.Wherein as an arresting efficiency becomes larger, secondary arresting efficiency becomes smaller, and in secondary arresting efficiency and kitchen room
Oil smoke concentration is directly related, and secondary arresting efficiency is bigger, and oil smoke concentration is higher in the room of kitchen.Therefore, oil smoke is improved once to trap
Efficiency is to develop the core content of efficient kitchen ventilator.This patent evaluates the rectification effect of rectification plate of range hood using an arresting efficiency
Fruit.
Invention content
It is an object of the invention to overcome the shortcomings of prior art, for dual-range-head usually only have side fume pollution amount compared with
Big handling characteristics propose a kind of novel scrak type rectification plate of range hood suitable for dual-range-head, innovatively realize one kind
The new kitchen ventilator designing scheme of cowling panel with scrak type opening.
A kind of novel scrak type rectification plate of range hood suitable for dual-range-head of the present invention is stitched including rectangular cowling panel 1, item
Shape opening 2 and air draft shroud rim 3, the left and right sides of the rectangular cowling panel 1 set item respectively at air draft shroud rim 3
Gap-like opening 2；Two described gap-like openings 2 are to selectively unlock or close.
It is opened positioned at the gap-like opening 2 for generating big 3 side of air draft shroud rim of fume pollution, to increase suction closely
Enter area.
It is closed positioned at the gap-like opening 2 for generating small 3 side of air draft shroud rim of fume pollution, to reduce suction closely
Enter area.
A gap-like opening 2 for suitable positioned at fume pollution amount and smaller 3 both sides of air draft shroud rim is turned off.
It is opened positioned at the gap-like opening 2 for generating suitable and larger 3 both sides of air draft shroud rim of fume pollution amount.
Optimum distance by proximal edge is kitchen range center surface.
Compared with prior art, the present invention can flexibly control both sides air draft flow proportional, and with kitchen range service condition phase
Cooperation obtains better oil smoke trapping effect, improves oil smoke arresting efficiency.
Description of the drawings
Fig. 1 is a kind of novel scrak type rectification plate of range hood schematic diagram suitable for dual-range-head of the present invention；
Fig. 2 is the kitchen model schematic for simplation verification of the present invention；
Fig. 3 is to stitch cowling panel kitchen ventilator model for the original cowling panel kitchen ventilator and Novel strip of simplation verification of the present invention
Figure, (3a) original cowling panel kitchen ventilator model, (3b) Novel strip seam cowling panel kitchen ventilator model；
Fig. 4 is the analog result figure of an arresting efficiency of original cowling panel and Novel strip seam cowling panel；
Fig. 5 is that the kitchen ventilator of original cowling panel and Novel strip stitch the kitchen ventilator of cowling panel in room Y=under same traffic
The flow field simulation speed cloud atlas in 1.5m sections；The kitchen ventilator of (5a) original cowling panel, (5b) Novel strip stitch the kitchen ventilator of cowling panel；
Fig. 6 is oil smoke concentration analog result cloud atlas of the kitchen ventilator in room Y=1.5m sections of scrak type cowling panel.
Reference numeral：1st, rectangular cowling panel, 2, gap-like opening, 3, air draft shroud rim.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.Following embodiment is only used for more clear
Illustrate to Chu technical scheme of the present invention, and be not intended to limit the protection scope of the present invention and limit the scope of the invention.
As shown in Figure 1, a kind of novel scrak type rectification plate of range hood schematic diagram suitable for dual-range-head for the present invention.It should
Novel rectifying plate is in the left and right sides of now widely used rectangular cowling panel 1 setting gap-like opening 2；Two gap-like openings
2 equal alternatives are turned on and off, and generating the big side of fume pollution can open to increase suction closely by a gap-like opening 2
Enter area；If the fume pollution that opposite side generates is big, this seam can be closed and open another side slat gap-like opening 2；If both sides are oily
Smoke pollution amount is suitable and smaller, then two side slat gap-like opening 2 is turned off；If both sides contaminant capacity is suitable and larger, two side slats seam
Shape opening 2 is opened.
It is such then can flexibly control both sides air draft flow proportional and be matched with kitchen range service condition, obtain better oil smoke
Effect is trapped, improves oil smoke arresting efficiency.
The present invention is applied in kitchen model as shown in Figure 2, and simplation verification is carried out to its arresting efficiency effect of optimization.Mould
It is as follows to intend verification process：
By the kitchen ventilator model with original square cowling panel as shown in Figure 3 with carrying Novel strip slit cowling panel oil smoke
Machine model is separately added into kitchen model and carries out CFD simulations, since kitchen range is opened on right side, then an opening right side gap-like in model
Mouthful, size is 300mm × 30mm, and left-hand bar gap-like opening 2 is closed.Except model changes, other conditions and setting are consistent.Flow field
Smoke particle object is loaded after convergence, its particle capture efficiency is calculated with the simulation of 201711254268.8 method of Chinese patent,
It is illustrated in figure 4 the analog rate cloud atlas of an arresting efficiency of two kinds of cowling panels, it is known that the primary trapping of scrak type cowling panel
Efficiency is higher than original cowling panel, and oil smoke trapping is better.
As shown in figure 5, for the kitchen ventilators of two kinds of cowling panels under same traffic, in room Y=1.5m, (Y is the seat in Fig. 2
Parameter, represent room width direction) section flow field simulation speed cloud atlas, it can be seen that since both sides air draft air-flow enters smoke chamber
The low velocity eddy for generating collision and being formed reduces, and the ventilation velocity of gap-like opening is larger, thus while right cover mouth
Ventilation velocity reduce, but the smoke discharging effect on right side does not weaken.Analysis it is found that gap-like opening in cooking fume stream just on
Side, oil smoke air-flow is since itself heat buoyancy has certain rate of climb, and a gap-like opening air draft accelerates raising speed thereon
Degree, a part of oil smoke can quickly be drained, achieve the purpose that quickly to drain oil smoke from a gap-like opening, reduce oil smoke diffusion
Excessive possibility enhances oil smoke trapping ability and antijamming capability.
As shown in fig. 6, the kitchen ventilator of cowling panel is stitched in the oil smoke concentration analog result in room Y=1.5m sections for item, it can
See at item seam trap be high concentration oil smoke, reduce the amount for draining oil smoke at two side cover mouths, reduce the excessive diffusion of oil smoke
To indoor risk.
When actual production designs, item seam size can be adjusted according to actual conditions；Item seam number of the cowling panel per side
It is not necessarily one or two, three or several are unlimited, achieves the goal.
Claims (6)
1. a kind of novel scrak type rectification plate of range hood suitable for dual-range-head, including rectangular cowling panel (1), gap-like opening
(2) and air draft shroud rim (3), which is characterized in that in the left and right sides of rectangular cowling panel (1), at air draft shroud rim (3)
Setting gap-like opening (2) respectively；Two described gap-like opening (2) in order to control both sides air draft flow proportional and selectivity is opened
It opens or closes.
2. it is suitable for the novel scrak type rectification plate of range hood of dual-range-head as described in claim 1, which is characterized in that positioned at production
The gap-like opening (2) of big air draft shroud rim (3) side of oil generation smoke pollution is opened, to increase inhalation area closely.
3. it is suitable for the novel scrak type rectification plate of range hood of dual-range-head as described in claim 1, which is characterized in that positioned at production
The gap-like opening (2) of small air draft shroud rim (3) side of oil generation smoke pollution is closed, to reduce inhalation area closely.
4. it is suitable for the novel scrak type rectification plate of range hood of dual-range-head as described in claim 1, which is characterized in that positioned at oil
Smoke pollution amount is suitable and a gap-like opening (2) for smaller air draft shroud rim (3) both sides is turned off.
5. it is suitable for the novel scrak type rectification plate of range hood of dual-range-head as described in claim 1, which is characterized in that positioned at production
The gap-like opening (2) of suitable and larger air draft shroud rim (3) both sides of oil generation smoke pollution amount is opened.
6. it is suitable for the novel scrak type rectification plate of range hood of dual-range-head as described in claim 1, which is characterized in that by near side (ns)
The optimum distance of edge is right over kitchen range center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810110628.5A CN108180522A (en) | 2018-02-05 | 2018-02-05 | A kind of novel scrak type rectification plate of range hood suitable for dual-range-head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810110628.5A CN108180522A (en) | 2018-02-05 | 2018-02-05 | A kind of novel scrak type rectification plate of range hood suitable for dual-range-head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108180522A true CN108180522A (en) | 2018-06-19 |
Family
ID=62552132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810110628.5A Pending CN108180522A (en) | 2018-02-05 | 2018-02-05 | A kind of novel scrak type rectification plate of range hood suitable for dual-range-head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108180522A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110110968A (en) * | 2019-04-09 | 2019-08-09 | 天津大学 | The evaluation method of oil smoke concentration in a kind of kitchen room |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202328447U (en) * | 2011-11-21 | 2012-07-11 | 岳阳市强力电器有限公司 | Adjustable side draught range hood |
| CN205156083U (en) * | 2015-10-23 | 2016-04-13 | 博西华电器（江苏）有限公司 | Side suction type range hood |
| CN206959054U (en) * | 2017-06-02 | 2018-02-02 | 宁波方太厨具有限公司 | Speed governing range hood |
| CN206959055U (en) * | 2017-06-02 | 2018-02-02 | 宁波方太厨具有限公司 | A kind of range hood of adjustable suction effect |
| CN207936181U (en) * | 2018-02-05 | 2018-10-02 | 天津大学 | A kind of novel scrak type rectification plate of range hood suitable for dual-range-head |
-
2018
- 2018-02-05 CN CN201810110628.5A patent/CN108180522A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202328447U (en) * | 2011-11-21 | 2012-07-11 | 岳阳市强力电器有限公司 | Adjustable side draught range hood |
| CN205156083U (en) * | 2015-10-23 | 2016-04-13 | 博西华电器（江苏）有限公司 | Side suction type range hood |
| CN206959054U (en) * | 2017-06-02 | 2018-02-02 | 宁波方太厨具有限公司 | Speed governing range hood |
| CN206959055U (en) * | 2017-06-02 | 2018-02-02 | 宁波方太厨具有限公司 | A kind of range hood of adjustable suction effect |
| CN207936181U (en) * | 2018-02-05 | 2018-10-02 | 天津大学 | A kind of novel scrak type rectification plate of range hood suitable for dual-range-head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110110968A (en) * | 2019-04-09 | 2019-08-09 | 天津大学 | The evaluation method of oil smoke concentration in a kind of kitchen room |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180619 |