CN207936181U - 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
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- CN207936181U CN207936181U CN201820192422.7U CN201820192422U CN207936181U CN 207936181 U CN207936181 U CN 207936181U CN 201820192422 U CN201820192422 U CN 201820192422U CN 207936181 U CN207936181 U CN 207936181U
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- gap
- opening
- air draft
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Abstract
The utility model discloses a kind of novel scrak type rectification plate of range hood suitable for dual-range-head, and in the left and right sides of rectangular cowling panel (1), a gap-like opening (2) is respectively set 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 the inhalation area of short distance；It is closed positioned at the gap-like opening (2) for generating small air draft shroud rim (3) side of fume pollution, to reduce the inhalation area of short distance；The gap-like opening (2) of air draft shroud rim (3) both sides suitable and smaller positioned at fume pollution amount 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 utility model can flexibly control both sides air draft flow proportional, improve oil smoke arresting efficiency.
Description
Technical field
The utility model is related 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, more stringent requirements are proposed to Air Quality in Kitchen by people.Improve the contaminant trapping energy of kitchen ventilator
Power can significantly improve Kitchen hygiene environment, reduce the health threat to kitchen operation personnel, while reducing 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, 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
One piece of cowling panel (also referred to as smoke deflector, rectangular relatively conventional) is arranged in mouth face, then cover mouth air draft region will be reduced to petticoat pipe edge
The annular region constituted with cowling panel edge, air draft wind speed greatly increase, and gas stream of pollution, which 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 for carrying cowling panel currently on the market is that one piece of left side is arranged 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 be carried out to it according to actual use feature
It improves, traps effect to reach better oil smoke, 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.
Utility model content
The purpose of the utility model is to overcome the deficiencies of prior art, for dual-range-head usually only side fume pollution
Larger handling characteristics are measured, a kind of novel scrak type rectification plate of range hood suitable for dual-range-head is proposed, innovatively realizes
A kind of new kitchen ventilator design scheme of the cowling panel with scrak type opening.
A kind of novel scrak type rectification plate of range hood suitable for dual-range-head of the utility model, including rectangular cowling panel 1,
Gap-like opening 2 and air draft shroud rim 3, the left and right sides of the rectangular cowling panel 1 are set respectively at air draft shroud rim 3
Set a 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 the suction of short distance
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 the suction of short distance
Enter area.
A gap-like opening 2 for air draft shroud rim 3 both sides suitable and smaller positioned at fume pollution amount 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 right over kitchen range center.
Compared with prior art, the utility model can flexibly control both sides air draft flow proportional, and use feelings with kitchen range
Condition matches, and 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 utility model；
Fig. 2 is the kitchen model schematic for the utility model simplation verification；
Fig. 3 is original cowling panel kitchen ventilator and Novel strip the seam cowling panel kitchen ventilator mould for the utility model simplation verification
Type figure, (3a) original cowling panel kitchen ventilator model, (3b) Novel strip stitch 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 the sections 1.5m；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 the room sections Y=1.5m of scrak type cowling panel.
Reference numeral：1, rectangular cowling panel, 2, gap-like opening, 3, air draft shroud rim.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and detailed description.Following embodiment is only used for more
Add and clearly demonstrate the technical solution of the utility model, and the scope of protection of the utility model cannot be limited with this.
As shown in Figure 1, a kind of novel scrak type rectification plate of range hood suitable for dual-range-head for the utility model is illustrated
Figure.The novel rectifying plate is in the left and right sides of now widely used rectangular cowling panel 1 setting gap-like opening 2；Two item seams
2 equal alternative of shaped opening is turned on and off, and generating the big side of fume pollution can open a gap-like opening 2 to increase low coverage
From inhalation area；If the fume pollution that the other side generates is big, this seam can be closed and open another side slat gap-like opening 2；If
Both sides fume 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 slat gap-like 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, oil smoke arresting efficiency is improved.
The utility model is applied in kitchen model as shown in Figure 2, and carrying out simulation to its arresting efficiency effect of optimization tests
Card.Simplation verification process is as follows：
By the kitchen ventilator model with original square cowling panel as shown in Figure 3 with carry Novel strip slit cowling panel oil smoke
Machine model is separately added into kitchen model and carries out CFD simulations, since kitchen range is then opened a right side gap-like and opened on right side 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 (Y is the seat in Fig. 2 in room Y=1.5m for the kitchen ventilators of two kinds of cowling panels under same traffic
Parameter, indicate 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 from a gap-like opening, achieve the purpose that quickly to drain oil smoke, reduce oil smoke diffusion
Excessive possibility enhances oil smoke trapping ability and anti-interference ability.
As shown in fig. 6, for item stitch cowling panel kitchen ventilator in the oil smoke concentration analog result in the room sections Y=1.5m, 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 of the cowling panel per side stitches number
It is not necessarily one, can also be 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)
A gap-like opening (2) is respectively set；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. being 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 be located at production
The gap-like opening (2) of big air draft shroud rim (3) side of oil generation smoke pollution is opened, to increase the inhalation area of short distance.
3. being 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 be located at production
The gap-like opening (2) of small air draft shroud rim (3) side of oil generation smoke pollution is closed, to reduce the inhalation area of short distance.
4. being 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 be located at oil
The gap-like opening (2) of suitable and smaller air draft shroud rim (3) both sides of smoke pollution amount is turned off.
5. being 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 be located 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. being 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 lean near side (ns)
The optimum distance of edge is right over kitchen range center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820192422.7U CN207936181U (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 |
|---|---|---|---|
| CN201820192422.7U CN207936181U (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 |
|---|---|
| CN207936181U true CN207936181U (en) | 2018-10-02 |
Family
ID=63651489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820192422.7U Expired - Fee Related CN207936181U (en) | 2018-02-05 | 2018-02-05 | A kind of novel scrak type rectification plate of range hood suitable for dual-range-head |
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| CN (1) | CN207936181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180522A (en) * | 2018-02-05 | 2018-06-19 | 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 CN201820192422.7U patent/CN207936181U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180522A (en) * | 2018-02-05 | 2018-06-19 | 天津大学 | A kind of novel scrak type rectification plate of range hood suitable for dual-range-head |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20210205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |