CN102200313A - Air curtain apparatus for smoke ventilator - Google Patents
Air curtain apparatus for smoke ventilator Download PDFInfo
- Publication number
- CN102200313A CN102200313A CN 201110162769 CN201110162769A CN102200313A CN 102200313 A CN102200313 A CN 102200313A CN 201110162769 CN201110162769 CN 201110162769 CN 201110162769 A CN201110162769 A CN 201110162769A CN 102200313 A CN102200313 A CN 102200313A
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- CN
- China
- Prior art keywords
- air
- air curtain
- collecting hood
- fume collecting
- exhaust fume
- Prior art date
- 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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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
- Ventilation (AREA)
Abstract
Disclosed is an air curtain apparatus for a smoke ventilator, comprising blower fans fixed in the housing of the smoke ventilator. A smoke collecting cover is provided on the bottom of the housing. Between the smoke collecting cover and the top board and lateral walls of the housing forms a space for wind to pass through, and the blower fan is located in the space. The air curtain apparatus is characterized in that: along two sides of the smoke collecting cover are arranged air outlets and extend separator plates which are located in the housing and separate the outlets from the blower fans; the separator plates extend from the smoke collecting cover towards the top board, and there are gaps between the tops of the separator plates and the top board, thereby forming air channels between the separator plates and the lateral walls. The installation of the separator plates enables a uniform air curtain with a wide scope of an air-out speed to appear around the smoke collecting cover, thereby preventing oil smoke from going out without extra installation of air curtain pipelines. The air curtain apparatus provided in the invention has a beautiful shape and a simple structure.
Description
Technical field
The present invention relates to a kind of lampblack absorber, particularly relate to a kind of air curtain apparatus of lampblack absorber.
Background technology
Along with the raising of people's living standard, also more and more higher to the requirement of living quarter environmental quality.For Chinese family, the oil smoke problem in kitchen is a big difficult point all the time.Thereby in the cooking apparatus of the Chinese way of cooking, the performance of lampblack absorber is valued most.
Whether very high existing lampblack absorber free rate also, can only extract the oil smoke 50% or more in the kitchen basically, and in culinary cuisine, along with walking about and the circulation of air of people, a large amount of oil smoke still is trapped in the kitchen and spreads.Its main cause is the restriction that is subjected to the operating space, about 750 millimeters of lampblack absorber setting height(from bottom)s apart from gas kitchen range, and effective air draught distance of general lampblack absorber is 400 millimeters, so lampblack absorber can not exhaust oil smoke the still possible excessive extremely whole kitchen of oil smoke fully.
The technical staff has thought that a lot of methods avoid the excessive of oil smoke now, improve the clean absorption rate of lampblack absorber, area such as volume that increases lampblack absorber or increase exhaust fume collecting hood increases the smoking area, but increase area and spatially increased burden undoubtedly to the user, need bigger kitchen area, and make the operator use inconvenience.The technical staff who also has improves the inspiration rate of oil smoke by the suction that strengthens lampblack absorber, but increase along with suction, the energy consumption that produces is also big, noise is also big, cost is also higher, particularly in the stronger room of air-tightness, such as winter environment, in lampblack absorber when work, can be in indoor formation negative pressure, the way effect that increases oil suction cigarette power merely is not obvious especially.
Therefore, occur some utilizations now the range hood that air curtain apparatus solves the problem that prevents the oil smoke diffusion has been set, produced air curtain by air curtain apparatus, thereby prevent the oil smoke escape, improved the smoking effect of lampblack absorber.Such as Chinese application number 200510050696.X disclosed a kind of " range hood that has air curtain ", this lampblack absorber comprises shell, oil suction cigarette blower fan, motor, oil suction cigarette switch, oil suction mouth, oil smoke passage, exhaust opening etc., is provided with Windscreen Fan and air channel, cloth air port in the enclosure.Windscreen Fan can be more than one or one, and the left and right sides or the left and right sides and front are located in the cloth air port.And, having air curtain mechanism as Chinese patent CN201322351Y disclosed a kind of " cigarette kitchen range all-in-one " with air curtain, this air curtain mechanism comprises parts such as blower fan, transition flexible pipe, joint and airduct.Airduct has the air curtain air outlet of strip, and described airduct is connected with the air outlet of described transition flexible pipe.This air curtain apparatus can produce the diffusion that air curtain prevents oil smoke when cooking by air curtain mechanism.But the air curtain apparatus of these structures all needs to be provided with in addition the air channel produces air curtain, not only complex structure, cost height, and be unfavorable for the miniaturization design of lampblack absorber, increased the overall volume of lampblack absorber.And the air outlet of these air curtain apparatus all independent distribution may cause problems such as the inhomogeneous or air curtain effect of air outlet air-out is bad in the both sides or the front side of lampblack absorber.If in order to improve the air curtain effect, then need pipeline, the air outlet conversion mouthful system that forms of many group fans, wind-guiding, cause the product cost height, problems such as structure, control system complexity.
Summary of the invention
Technical problem to be solved by this invention provides the air curtain apparatus of the lampblack absorber that a kind of air-out is even, air curtain air-out wind speed range is big and simple in structure.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of air curtain apparatus of lampblack absorber, comprise the blower fan that is fixed in the lampblack absorber housing, described housing bottom has exhaust fume collecting hood, form the space that an air feed passes through between the top board of this exhaust fume collecting hood and described case top and the lateral wall, described blower fan is located in the described space, it is characterized in that: have the air outlet of arranging along the outside of this exhaust fume collecting hood on the described exhaust fume collecting hood, and having the dividing plate that extends along the exhaust fume collecting hood outside equally in the described housing separates described air outlet and described blower fan, described dividing plate from exhaust fume collecting hood begin towards top board extend and the top of described dividing plate and top board between have the gap, formation one air channel between the lateral wall of described dividing plate and housing.By the setting of this dividing plate, an even and big air curtain of air-out velocity interval just can be provided at the periphery of exhaust fume collecting hood, when hanging down wind speed, also can keep the even of air-out, not only prevented escaping of oil smoke, and good looking appearance, simple in structure, need not lay the air curtain pipeline in addition.
Preferably, the width of described air outlet is 2mm-4mm; The width in described air channel is 30mm-45mm; The top of described dividing plate and the gap between the top board are 10mm-20mm.
Best for the air-out effect that makes air curtain apparatus, described dividing plate extends along the direction vertical with described top board.
Preferably, described air outlet is the strip air outlet that extends along the outside of exhaust fume collecting hood.
In order to guarantee air curtain air-out equably, described dividing plate and air channel are formed at the both sides of described exhaust fume collecting hood at least.
In order to prevent oil fume outer-runaway better, described air outlet is located at the both sides of described exhaust fume collecting hood and the close user's of exhaust fume collecting hood front end.Be the kitchen that is applicable to that some lampblack absorber is mid-, described air outlet be located at described exhaust fume collecting hood around.
Compared with prior art, the invention has the advantages that this air curtain structure not only not be used in the lampblack absorber outside or the inboard is established the air curtain pipeline in addition, the air curtain of even air-out and air-out wind speed in a big way are provided for the periphery of lampblack absorber, when hanging down wind speed, also can keep the even of air-out, and simple in structure, cost is low, do not influence the outward appearance of lampblack absorber, make lampblack absorber can manufacture small size, beautified the outward appearance of lampblack absorber.
Description of drawings
Fig. 1 is the schematic diagram of lampblack absorber of the present invention.
Fig. 2 is the front view of lampblack absorber of the present invention.
Fig. 3 is the enlarged diagram of C part among Fig. 2.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Lampblack absorber air curtain apparatus of the present invention as Figure 1-3, comprises the Windscreen Fan 2 in the housing 1 that is arranged on lampblack absorber, and this blower fan 2 can be arranged on the both sides of lampblack absorber housing 1, and the below of housing 1 is an exhaust fume collecting hood 11.And, be provided with the air outlet 3 of the air curtain of bar shaped down in lampblack absorber exhaust fume collecting hood 11 both sides and near user's front end.The top of housing 1 is a top board 12, and blower fan 2 just is fixed on the described top board 12.Blower fan 2 in this housing 1 is not the blower fan of lampblack absorber oil suction cigarette specially for this air curtain apparatus provides wind regime, and preferably, respectively having a blower fan in the both sides of housing 1 just can provide uniform air curtain for this lampblack absorber.
Between top board 12 and exhaust fume collecting hood 11, be provided with the dividing plate 13 vertical with described top board 12, this dividing plate 13 is located between blower fan 2 and the air outlet 3, and from described exhaust fume collecting hood 11 towards top board 12 extend and the top of dividing plate 13 and top board 12 between have the gap.This dividing plate 13 is formed at the both sides and the front end of exhaust fume collecting hood 11, is formed at the both sides of exhaust fume collecting hood 11 at least, and with the air outlet 3 corresponding settings of air curtain, and dividing plate 13 separates air curtain air outlet 3 and blower fan 2.Certainly this dividing plate 13 can be not vertical with top board 12 yet, if can play separate air outlet 3 and blower fan 2 and and top board 12 between have the gap of strip.
Referring to Fig. 3, because blower fan 2 is positioned at the right side of dividing plate 13, and air outlet 3 is positioned at the left side of dividing plate 13, is equivalent to form an air channel 15 between the lateral wall 14 of dividing plate 13 and exhaust fume collecting hood 11 and the top board 12, and air outlet 3 is positioned at the bottom in air channel 15.Therefore the wind of sending from blower fan 2 arrives in the air channel 15 through dividing plate 13 backs, because the effect of dividing plate 13, the wind that blower fan is sent need be through arriving air channel 15 behind the strip gap between dividing plate 13 and the top board 12, because air commutation and bernoulli principle, make static pressure increase, dynamic pressure in air channel 15 reduce, dynamic pressure in the air channel 15 may be substantially of zero, uniform wind speed is provided therefore can for air outlet 3.And the air curtain apparatus of this structure, it is very big that the wind speed of air curtain also can be established, and improved the effect of the isolated oil smoke of air curtain.
The width in this air channel 15 is preferably 30mm-45mm, and the width of air outlet 3 is preferably 2mm-4mm, and the gap that forms between dividing plate 13 and the top board 12 is about about 10mm-20mm.The width of air outlet 3 and length can be adjusted according to the form factor of product, and the size in gap is relevant with every index of the area of air outlet, fan.Therefore in the scope in such air channel, air outlet and gap, the dynamic pressure at air outlet 3 places in the air channel 15 is zero substantially, and static pressure is identical everywhere, makes this lampblack absorber form a uniform air curtain.
As an alternative embodiment of the invention, this dividing plate 13 can also have a plurality of, these a plurality of dividing plates can be provided with at interval, and first dividing plate extends from exhaust fume collecting hood towards top board and and top board between have the gap, second partition extend from top board towards exhaust fume collecting hood and and exhaust fume collecting hood between leave the space, and the like, certainly the quantity of this dividing plate can not be too many, if quantity will influence the wind speed of air curtain air-out too much, these a plurality of dividing plates are equivalent to form between from the blower fan to the air outlet obstacle of a plurality of labyrinths form, make in the air channel 15 at air outlet place, to form a static pressure environment, and then make the air outlet place can provide even, the air curtain that wind speed range is bigger.
This air curtain apparatus not only cost is low, simple in structure, and even and the big air curtain of wind speed range can be provided, and has very high economic worth.
As shown in Figure 1, two ends and centre at both sides air outlet 3 are set up three test points respectively, A1, A2 and A3, two air outlets that front end air outlet 3 extend side by side for the front end along housing 1, the two ends of an air outlet and centre are also set up test point, B1, B2 and B3 respectively therein.Test respectively these test points under various state and parameter the air-out wind speed.As shown in table 1, show the wind speed of each test point that this air curtain apparatus is not set and inhomogeneous, and have the air-out wind speed of each test point in the lampblack absorber of air curtain apparatus of the present invention all even substantially.Therefore, air curtain apparatus of the present invention can provide the uniform air curtain of wind speed degree.
Table 1
Table 2 has shown under the certain situation in rotating speed, the gap at blower fan, the relation of the variation of the width in the air channel of air curtain apparatus of the present invention and air outlet size and air outlet air-out speed.This shows that in each test point, the wind speed of lampblack absorber that air curtain apparatus of the present invention is not set is still inhomogeneous, the air-out speed of each test point that is provided with air curtain apparatus of the present invention is all quite even.And the performance of air channel width 40mm is better than the performance that the air channel width is 25mm, and the air-out wind speed of its each test point is big, and air-out effect is good.
Table 2
As shown in table 3, shown under the situation of same air channel width and air outlet width, the different model of blower fan 2 and air curtain air outlet respective relationships, the different model of blower fan 2 has different air-out speed, that wherein experiment is adopted is blower fan A and blower fan B, the rated operational voltage scope of blower fan A is 18V, rotating speed is 2000-2500 commentaries on classics/per minute (rpm), air quantity is 40 cubic feet/per minute (CFM), the rated operational voltage scope of blower fan B is 12V, rotating speed is 3600rpm ± 10%, air quantity is 130CFM, and this blower fan B is at the 6.5V less than its rated voltage, 8V, when working under the operating voltage of 10V, the air quantity of blower fan B with and rotating speed should with the proportional reduction of operating voltage.Wherein can see, as long as be provided with air curtain apparatus, increase along with the air-out speed of blower fan 2, the wind speed of each test point of air curtain apparatus also increases thereupon equably, therefore this air curtain apparatus can provide evenly and the bigger air curtain of wind speed, and under any wind speed, air-out speed all compares evenly, and the optional scope of wind speed is bigger.
Table 3
Table 4 has shown under the same condition of blower fan air-out speed, the relation between the size of air outlet and each airflow speed of test point.From this table as can be seen, such air curtain apparatus, no matter how the length of air outlet is provided with, as long as the air outlet width is certain, air-out speed is all identical, perhaps the subregion with air outlet shelters from not air-out, still can not influence the even air-out of air outlet.That is to say that this air channel 15 has reached static pressure state completely, efficient, quick and uniform air curtain can be provided.
Table 4
Air curtain apparatus of the present invention, do not need other peripheral hardware pipeline, only need between the exhaust fume collecting hood of lampblack absorber and housing, establish the dividing plate of strip, the gap that forms strip between the top board of dividing plate top and housing forms the air inlet of bar shaped, just can form the air channel of a similar static pressure in the outside of dividing plate, realized the balanced ventilation of slit-aperture type static pressure, make the air outlet of bottom, air channel not only can provide uniform air curtain, and the speed of air curtain has been very fast.The size of air outlet, the width in air channel and wind speed can be adjusted within the specific limits according to the size and the size of lampblack absorber, increased the scope of application of this air curtain apparatus to a certain extent, this air curtain apparatus is not only simple in structure, cost is low, and be located in the lampblack absorber, do not influence the outward appearance of lampblack absorber.
Claims (9)
1. the air curtain apparatus of a lampblack absorber, comprise the blower fan (2) that is fixed in the lampblack absorber housing (1), described housing (1) bottom has exhaust fume collecting hood (11), form the space that an air feed passes through between the top board (12) at this exhaust fume collecting hood (11) and described housing (1) top and the lateral wall (14), described blower fan (2) is located in the described space, it is characterized in that: have the air outlet of arranging along the outside of this exhaust fume collecting hood (11) down (3) on the described exhaust fume collecting hood (11), and having the dividing plate (13) that extends along exhaust fume collecting hood (11) outside equally in the described housing (1) separates described air outlet (3) and described blower fan (2), described dividing plate (13) extend from exhaust fume collecting hood (11) beginning towards top board (12) and the top of described dividing plate (13) and top board (12) between have the gap, (14) formation one air channel (15) between the lateral wall of described dividing plate (13) and housing (1).
2. air curtain apparatus as claimed in claim 1 is characterized in that: the width of described air outlet (3) is 2mm-4mm.
3. air curtain apparatus as claimed in claim 1 is characterized in that: the width of described air channel (15) is 30mm-45mm.
4. air curtain apparatus as claimed in claim 1 is characterized in that: the gap between the top of described dividing plate (13) and the top board (12) is 10mm-20mm.
5. air curtain apparatus as claimed in claim 1 is characterized in that: described dividing plate (13) extends along the direction vertical with described top board (12).
6. air curtain apparatus as claimed in claim 1 is characterized in that: the strip air outlet of described air outlet (3) for extending along the outside of exhaust fume collecting hood (11).
7. air curtain apparatus as claimed in claim 1 is characterized in that: described dividing plate (13) and air channel (15) are formed at the both sides of described exhaust fume collecting hood (11) at least.
8. as claim 6 or 7 described air curtain apparatus, it is characterized in that: described air outlet (3) is located at the both sides of described exhaust fume collecting hood (11) and the close user's of exhaust fume collecting hood (11) front end.
9. as claim 6 or 7 described air curtain apparatus, it is characterized in that: described air outlet (3) be located at described exhaust fume collecting hood around.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110162769 CN102200313A (en) | 2011-06-15 | 2011-06-15 | Air curtain apparatus for smoke ventilator |
| PCT/CN2011/002062 WO2012171152A1 (en) | 2011-06-15 | 2011-12-12 | Air curtain device for range hood |
| MYPI2013002010A MY167024A (en) | 2011-06-15 | 2011-12-12 | Air curtain device for range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110162769 CN102200313A (en) | 2011-06-15 | 2011-06-15 | Air curtain apparatus for smoke ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102200313A true CN102200313A (en) | 2011-09-28 |
Family
ID=44661188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110162769 Pending CN102200313A (en) | 2011-06-15 | 2011-06-15 | Air curtain apparatus for smoke ventilator |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102200313A (en) |
| MY (1) | MY167024A (en) |
| WO (1) | WO2012171152A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374568A (en) * | 2011-10-25 | 2012-03-14 | 海尔集团公司 | Concealed-type wind-curtain range hood |
| WO2012171152A1 (en) * | 2011-06-15 | 2012-12-20 | 宁波方太厨具有限公司 | Air curtain device for range hood |
| CN104110710A (en) * | 2013-04-16 | 2014-10-22 | 中山纳新机电科技有限公司 | Range hood |
| CN107327884A (en) * | 2017-03-17 | 2017-11-07 | 宁波方太厨具有限公司 | A kind of air film induction apparatus and the range hood using the device |
| CN108534200A (en) * | 2018-05-25 | 2018-09-14 | 青岛兴邦电子电器有限公司 | Kitchen ventilator |
| CN108826400A (en) * | 2018-07-05 | 2018-11-16 | 浙江万事兴电器有限公司 | A kind of kitchen ventilator that concealed driving is grease proofing |
| CN113679265A (en) * | 2021-10-09 | 2021-11-23 | 慈溪市艾肯电器有限公司 | Electric oven capable of controlling oil smoke diffusion |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237574B (en) * | 2018-10-16 | 2024-04-30 | 珠海格力电器股份有限公司 | Fume exhausting system and fume exhauster |
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- 2011-06-15 CN CN 201110162769 patent/CN102200313A/en active Pending
- 2011-12-12 MY MYPI2013002010A patent/MY167024A/en unknown
- 2011-12-12 WO PCT/CN2011/002062 patent/WO2012171152A1/en active Application Filing
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| US3726203A (en) * | 1971-06-23 | 1973-04-10 | Svenska Flaektfabriken Ab | Device for maintenance of a dustfree, bacteria-free zone in a room |
| CN1673629A (en) * | 2004-03-25 | 2005-09-28 | 海尔集团公司 | Method for air curtain exhausting fumes and kitchen fumes ventilator by the same method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012171152A1 (en) * | 2011-06-15 | 2012-12-20 | 宁波方太厨具有限公司 | Air curtain device for range hood |
| CN102374568A (en) * | 2011-10-25 | 2012-03-14 | 海尔集团公司 | Concealed-type wind-curtain range hood |
| CN102374568B (en) * | 2011-10-25 | 2016-08-10 | 海尔集团公司 | Concealed-type wind-curtain range hood |
| CN104110710A (en) * | 2013-04-16 | 2014-10-22 | 中山纳新机电科技有限公司 | Range hood |
| CN104110710B (en) * | 2013-04-16 | 2017-04-26 | 中山纳新机电科技有限公司 | Range hood |
| CN107327884A (en) * | 2017-03-17 | 2017-11-07 | 宁波方太厨具有限公司 | A kind of air film induction apparatus and the range hood using the device |
| CN108534200A (en) * | 2018-05-25 | 2018-09-14 | 青岛兴邦电子电器有限公司 | Kitchen ventilator |
| CN108826400A (en) * | 2018-07-05 | 2018-11-16 | 浙江万事兴电器有限公司 | A kind of kitchen ventilator that concealed driving is grease proofing |
| CN108826400B (en) * | 2018-07-05 | 2024-04-19 | 浙江万事兴电器有限公司 | Oil-proof lampblack absorber of hidden drive |
| CN113679265A (en) * | 2021-10-09 | 2021-11-23 | 慈溪市艾肯电器有限公司 | Electric oven capable of controlling oil smoke diffusion |
Also Published As
| Publication number | Publication date |
|---|---|
| MY167024A (en) | 2018-07-31 |
| WO2012171152A1 (en) | 2012-12-20 |
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Application publication date: 20110928 |