CN202125972U - Wind screen device of range hood - Google Patents
Wind screen device of range hood Download PDFInfo
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- CN202125972U CN202125972U CN2011202040560U CN201120204056U CN202125972U CN 202125972 U CN202125972 U CN 202125972U CN 2011202040560 U CN2011202040560 U CN 2011202040560U CN 201120204056 U CN201120204056 U CN 201120204056U CN 202125972 U CN202125972 U CN 202125972U
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- air
- collecting hood
- fume collecting
- exhaust fume
- air curtain
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Abstract
The utility model discloses a wind screen device of a range hood; the wind screen device comprises an air blower fixed in the range hood shell; an exhaust fume collecting hood is arranged at the bottom of the shell; a space for wind ventilation is formed among the exhaust fume collecting hood, the top plate at the top of the shell and the external side wall; and the air blower is located in the space, wherein the exhaust fume collecting hood is provided with air outlets arranged at four sides of the exhaust fume collecting hood; the shell is internally provided with a partition plate which extends along four sides of the exhaust fume collecting hood and is used for separating the air outlets and air blower; the partition plate extends from the exhaust fume collecting hood to the top plate and has a gap between the top and the top plate of the partition plate; and a wind channel is formed between the partition plate and the external side wall of the shell. Through the setting of the partition plate, a uniform wind screen with wide wind exhausting speed range is arranged at four sides of the exhaust fume collecting hood; not only the escaping of the oily fume is prevented, but the wind screen device has attractive appearance and simple structure, and no additional wind screen pipeline needs to be paved.
Description
Technical field
The utility model relates to a kind of lampblack absorber, particularly relates to a kind of air curtain apparatus of lampblack absorber.
Background technology
The Along with people's growth in the living standard, also increasingly high 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 people's the circulation with air of walking about, a large amount of oil smoke still is trapped in the kitchen and spreads.Its main cause is the restriction that receives 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; The area that perhaps increases exhaust fume collecting hood such as the volume that increases lampblack absorber increases the smoking area; But increase area and spatially increased burden undoubtedly, need bigger kitchen area, and make the operator use inconvenience to the user.The technical staff who also has improves the inspiration rate of oil smoke through the suction that strengthens lampblack absorber; But along with the increase of suction, the energy consumption of generation is also big, noise is also big, and 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 smoke absorbing 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 through 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 smoke absorbing blower fan, motor, oil smoke absorbing 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 like 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 said airduct is connected with the air outlet of said transition flexible pipe.This air curtain apparatus can produce the diffusion that air curtain prevents oil smoke when cooking through air curtain mechanism.But the air curtain apparatus of these structures all need be provided with the air channel in addition and produce air curtain, and not only complex structure, cost are high, and is unfavorable for the miniaturization Design of lampblack absorber, has increased the overall volume of lampblack absorber.And the air outlet of these air curtain apparatus all independent distribution possibly 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 product cost high, problems such as structure, control system complex.
The utility model content
The utility model technical problem to be solved 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 utility model 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 said case top and the lateral wall; Said blower fan is located in the said space, it is characterized in that: have the air outlet of arranging along the outside of this exhaust fume collecting hood on the said exhaust fume collecting hood, and have the same dividing plate that extends along the exhaust fume collecting hood outside in the said housing said air outlet and said blower fan are separated; Said dividing plate from exhaust fume collecting hood begin towards top board extend and the top of said dividing plate and top board between have the gap, formation one air channel between the lateral wall of said dividing plate and housing.Through 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 said air outlet is 2mm-4mm; The width in said air channel is 30mm-45mm; The top of said dividing plate and the gap between the top board are 10mm-20mm.
Best for the air-out effect that makes air curtain apparatus, the said dividing plate edge direction vertical with said top board extended.
Preferably, said 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, said dividing plate and air channel are formed at the both sides of said exhaust fume collecting hood at least.
In order to prevent oil fume outer-runaway better, said air outlet is located at both sides and the exhaust fume collecting hood of the said exhaust fume collecting hood front end near the user.Be the kitchen that is applicable to that some lampblack absorber is mid-, said air outlet be located at said exhaust fume collecting hood around.
Compared with prior art; The advantage of the utility model is 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 is provided can 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 sketch map of the utility model lampblack absorber.
Fig. 2 is the front view of the utility model lampblack absorber.
Fig. 3 is the enlarged diagram of A part among Fig. 2.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
The lampblack absorber air curtain apparatus of the utility model shown in Fig. 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 said top board 12.Blower fan 2 in this housing 1 is not the blower fan of lampblack absorber oil smoke absorbing 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 said top board 12, this dividing plate 13 is located between blower fan 2 and the air outlet 3, and from said 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 seeing off 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 seen off could arrive air channel 15 after need passing through the strip gap between dividing plate 13 and the top board 12, because air switching-over and bernoulli principle make that the static pressure in air channel 15 increases, dynamic pressure reduces; 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 each item 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 basically, and static pressure is identical everywhere, makes this lampblack absorber form a uniform air curtain.
Another embodiment as the utility model; 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 curtain that the air outlet place can provide evenly, 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; The two ends of air outlet 3 and centre are set up three test points respectively in both sides, 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 utility model all even basically.Therefore, the air curtain apparatus of the utility model 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 width in the air channel of the air curtain apparatus of the utility model and the variation of air outlet size and the relation of air outlet air-out speed.This shows that in each test point, the wind speed of lampblack absorber of air curtain apparatus that the utility model is not set is still inhomogeneous, the air-out speed of each test point of air curtain apparatus that is provided with the utility model is all quite even.And the performance of air channel width 40mm is superior to 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, and the rated operational voltage scope of blower fan A is 18V, and 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, and rotating speed is 3600rpm ± 10%, and air quantity is 130CFM; And when this blower fan B works under the operating voltage less than the 6.5V of its rated voltage, 8V, 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, along with the increase of 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, can find out, 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
The air curtain apparatus of the utility model; 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, form the air inlet of the gap formation bar shaped of strip between the top board of dividing plate top and housing; 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, made the air outlet of bottom, air channel not only uniform air curtain can be provided, and the rapid speed of air curtain.The size of air outlet, the width in air channel and wind speed can be adjusted according to the size and the size of lampblack absorber within the specific limits; 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 said housing (1) top and the lateral wall (14); Said blower fan (2) is located in the said 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 said exhaust fume collecting hood (11); And have the same dividing plate (13) that extends along exhaust fume collecting hood (11) outside in the said housing (1) said air outlet (3) and said blower fan (2) separated, said dividing plate (13) extend from exhaust fume collecting hood (11) beginning towards top board (12) and the top of said dividing plate (13) and top board (12) between have the gap, (14) formation one air channel (15) between the lateral wall of said dividing plate (13) and housing (1).
2. air curtain apparatus as claimed in claim 1 is characterized in that: the width of said air outlet (3) is 2mm-4mm.
3. air curtain apparatus as claimed in claim 1 is characterized in that: the width of said 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 said dividing plate (13) and the top board (12) is 10mm-20mm.
5. air curtain apparatus as claimed in claim 1 is characterized in that: said dividing plate (13) the edge direction vertical with said top board (12) extended.
6. air curtain apparatus as claimed in claim 1 is characterized in that: the strip air outlet of said 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: said dividing plate (13) and air channel (15) are formed at the both sides of said exhaust fume collecting hood (11) at least.
8. like claim 6 or 7 described air curtain apparatus, it is characterized in that: said air outlet (3) is located at both sides and the exhaust fume collecting hood (11) of said exhaust fume collecting hood (11) front end near the user.
9. like claim 6 or 7 described air curtain apparatus, it is characterized in that: said air outlet (3) be located at said exhaust fume collecting hood around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202040560U CN202125972U (en) | 2011-06-15 | 2011-06-15 | Wind screen device of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202040560U CN202125972U (en) | 2011-06-15 | 2011-06-15 | Wind screen device of range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202125972U true CN202125972U (en) | 2012-01-25 |
Family
ID=45489038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202040560U Expired - Lifetime CN202125972U (en) | 2011-06-15 | 2011-06-15 | Wind screen device of range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202125972U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200313A (en) * | 2011-06-15 | 2011-09-28 | 宁波方太厨具有限公司 | Air curtain apparatus for smoke ventilator |
| CN106524252A (en) * | 2016-11-07 | 2017-03-22 | 宁波方太厨具有限公司 | Extractor hood |
| CN109268892A (en) * | 2018-10-16 | 2019-01-25 | 珠海格力电器股份有限公司 | Air curtain apparatus and kitchen tools system |
-
2011
- 2011-06-15 CN CN2011202040560U patent/CN202125972U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200313A (en) * | 2011-06-15 | 2011-09-28 | 宁波方太厨具有限公司 | Air curtain apparatus for smoke ventilator |
| WO2012171152A1 (en) * | 2011-06-15 | 2012-12-20 | 宁波方太厨具有限公司 | Air curtain device for range hood |
| CN106524252A (en) * | 2016-11-07 | 2017-03-22 | 宁波方太厨具有限公司 | Extractor hood |
| CN106524252B (en) * | 2016-11-07 | 2019-11-29 | 宁波方太厨具有限公司 | A kind of range hood |
| CN109268892A (en) * | 2018-10-16 | 2019-01-25 | 珠海格力电器股份有限公司 | Air curtain apparatus and kitchen tools system |
| CN109268892B (en) * | 2018-10-16 | 2024-04-09 | 珠海格力电器股份有限公司 | Air curtain device and kitchen ware system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120125 |