CN209246183U - Air curtain apparatus and kitchen tools system - Google Patents

Abstract

The utility model is related to smoke pumping technical field, a kind of air curtain apparatus is specifically provided to include air curtain air duct, gas flow generator and divide wind part, the air curtain air duct has air curtain air outlet, described point of wind part is set to the air curtain air outlet, so that the air-flow in the air curtain air duct is divided wind part to blow out to form air curtain；Divide on wind part and be provided with main wind unit and auxiliary wind unit, the main wind unit includes main exhaust vent, and the main exhaust vent is along the axially extending of the gas flow generator；The auxiliary wind unit includes auxiliary exhaust vent, and the opposite two sides of the main wind unit are provided with the auxiliary wind unit.The utility model can make flowing to for the air-flow of entire air curtain apparatus easier to control, and the air-flow of blowout is more concentrated, and form more stable air curtain, efficiently oil smoke be prevented to flee, and improve lampblack-pumped efficiency, promote user experience.

Description

Air curtain apparatus and kitchen tools system

Technical field

The utility model is related to smoke pumping technical field more particularly to a kind of air curtain apparatus and kitchen tools system.

Background technique

Now, the air quality of improvement domestic environment has been placed on very important position by more and more people, especially Range hood is provided in kitchen in order to improve the air quality in kitchen as the kitchen of family's Air Contamination most serious, For the oil smoke generated in kitchen to be discharged.However, can generate a large amount of oil smoke in the short time when quick-fried, kitchen ventilator is difficult A large amount of oil smoke are blotted only completely, some producers increase air curtain apparatus on range hood, but existing air curtain apparatus goes out Air port is single, is unfavorable for air flowing, can only play blowing effect, user experience minimum for the diffusion of isolating oil soot It is poor.

New content

In view of this, the utility model is designed to provide a kind of air curtain apparatus and kitchen tools system, so that air curtain apparatus is formed Air curtain more concentrate, thus effectively isolating oil soot diffusion.

In order to achieve the above objectives, the utility model uses following technical scheme:

On the one hand the utility model provides a kind of air curtain apparatus, including air curtain air duct, gas flow generator and divide wind part, the gas Flow generator is set to the air curtain air duct；The air curtain air duct has air curtain air outlet, described that wind part is divided to be set to the wind Curtain air outlet, so that the air-flow in the air curtain air duct is divided wind part to blow out to form air curtain；

Wherein, it is described divide on wind part be provided with main wind unit and auxiliary wind unit, the main wind unit include master Exhaust vent, the main exhaust vent is along the axially extending of the gas flow generator；The auxiliary wind unit includes auxiliary exhaust vent, At least side of the main wind unit is provided with the auxiliary wind unit.

Optionally, described to divide wind part at least partially warp architecture.

Optionally, described that wind part is divided to be arc-shaped bend structure, the inside protrusion or external protrusion in Xiang Suoshu air curtain air duct.

Optionally, air-out direction of the air-out direction of the auxiliary exhaust vent towards the main exhaust vent.

Optionally, the perforated area summation of the auxiliary wind unit is the perforated area summation of the main wind unit 1/5 to 1/3.

Optionally, the minimum range of the auxiliary exhaust vent and the main exhaust vent is 5mm-10mm.

Optionally, it at least partly extends straight along the axial direction main exhaust vent or extends in camber line.

Optionally, the width of the main exhaust vent is 3mm-10mm, length 5mm-25mm.

Optionally, the auxiliary exhaust vent is for round hole and along axially extending at least one of the waist-shaped hole.

Optionally, the diameter of the round hole is 3mm-8mm；

And/or

The length of the waist-shaped hole is 5mm-25mm, and the width of the waist-shaped hole is 3mm-10mm.

Optionally, the auxiliary wind unit includes multiple auxiliary exhaust vents, each auxiliary exhaust vent form a line or Person's multiple row, wherein assist the arrangement path of exhaust vent consistent with the extension path of the main exhaust vent described in same row.

Optionally, along the axial direction, the both ends of the main exhaust vent exceed the gas flow generator.

Optionally, the big 5mm-10mm of axial dimension of the length gas flow generator of the main exhaust vent.

Optionally, the opposite two sides of the main wind unit are provided with the auxiliary wind unit.

Optionally, a main wind unit and two auxiliary wind units of its two sides form an air curtain Group, it is described that wind part is divided to be provided with multiple air curtain groups.

The another aspect of the utility model provides a kind of kitchen tools system, including as above described in any item air curtain apparatus；

It further include range hood, the range hood is provided with the air curtain apparatus；

And/or

It further include kitchen range, the kitchen range are provided with the air curtain apparatus.

The air curtain apparatus of the utility model, the air outlet in air curtain air duct are provided with a point wind part, divide on wind part and be provided with main outlet air Hole and auxiliary exhaust vent, when work, through main exhaust vent and auxiliary exhaust vent blowout, auxiliary exhaust vent is blown the air-flow in air curtain air duct Secondary air out can prevent the primary air of main exhaust vent blowout from spreading to side, thus make the air-flow of entire air curtain apparatus Flow to easier to control, the air-flow of blowout is more concentrated, and more stable air curtain is formed, and efficiently oil smoke is prevented to flee, and improves smoke pumping Efficiency, promoted user experience.

Detailed description of the invention

By the description referring to the drawings to the utility model embodiment, the above-mentioned and other purpose of the utility model, feature and Advantage will be apparent from.

Fig. 1 is a kind of structural schematic diagram of specific embodiment of air curtain apparatus provided by the utility model；

Fig. 2 is the structural schematic diagram of another specific embodiment of air curtain apparatus provided by the utility model；

Fig. 3 is the structural schematic diagram for dividing a kind of specific embodiment of wind part in air curtain apparatus provided by the utility model；

Fig. 4 is the structural schematic diagram for dividing another specific embodiment of wind part in air curtain apparatus provided by the utility model.

In figure:

1, air curtain air duct；11, air curtain air outlet；12, air curtain air inlet；

2, gas flow generator；

3, divide wind part；31, main wind unit；311, main exhaust vent；32, wind unit is assisted；321, exhaust vent is assisted.

Specific embodiment

The utility model is described below based on embodiment, but the utility model is not restricted to these embodiments.Under Text is detailed to describe some specific detail sections in the datail description of the utility model.

In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and What attached drawing was not necessarily drawn to scale.

Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains Justice.

In the description of the utility model, it is to be understood that term " first ", " second " etc. are used for description purposes only, without It can be interpreted as indication or suggestion relative importance.In addition, in the description of the utility model, unless otherwise indicated, the meaning of " multiple " It is two or more.

Referring to Fig.1 shown in-Fig. 4, the utility model provides a kind of air curtain apparatus, may be mounted at range hood, kitchen range, cabinet Or the positions such as wall, air curtain apparatus include air curtain air duct 1, gas flow generator 2 and divide wind part 3, gas flow generator 2 can be to pass through Stream wind wheel, axial-flow windwheel or mixed flow wind wheel, gas flow generator 2 are set to air curtain air duct 1, can be set in air curtain air duct 1, Also it can be set in outside air curtain air duct 1, as long as the air-flow for forming flowing in air curtain air duct 1 can be made.Specifically, air curtain wind Road 1 has air curtain air inlet 12 and air curtain air outlet 11, divides wind part 3 to be set to air curtain air outlet 11, so that in air curtain air duct 1 Air-flow is divided the blowout of wind part 3 to form air curtain.

With reference to Fig. 3, Fig. 4, divides on wind part 3 and be provided with main wind unit 31 and auxiliary wind unit 32, main wind unit 31 Including main exhaust vent 311, main exhaust vent 311 extends along the axial X of gas flow generator 2, i.e., main exhaust vent 311 is strip-shaped hole, can Think the strip-shaped hole of linear type or shaped form, wherein main wind unit 31 has opposite along the direction perpendicular to above-mentioned axial direction X Two sides.Assisting wind unit 32 includes auxiliary exhaust vent 321, and at least side of main wind unit 31 is provided with auxiliary outlet air list Member 32.It should be noted that main exhaust vent 311 and auxiliary exhaust vent 321 divide wind part 3 along air-out direction perforation, so that into wind Air-flow in curtain air duct 1 is blown out by main exhaust vent 311 and auxiliary exhaust vent 321, to form air curtain.It should be noted that Above-mentioned main exhaust vent 311 extends along axial X, refers to that the extension trend of main exhaust vent 311 is axial direction X, does not limit main exhaust vent 311 Extension path, extension path can be the straight line for being parallel to axial X, or with axial X be in an inclination angle oblique line, or Person is curve, is not specifically limited to the extension path of main exhaust vent 311 herein.

Above-mentioned air curtain apparatus, the air curtain air outlet 11 in air curtain air duct 1 are provided with a point wind part 3, divide on wind part 3 and are provided with master Exhaust vent 311 and auxiliary exhaust vent 321, and exhaust vent 321 is assisted to be located at the two sides of main exhaust vent 311, when work, air curtain air duct Air-flow in 1 is blown out through main exhaust vent 311 and auxiliary exhaust vent 321, and the secondary air that auxiliary exhaust vent 321 is blown out can prevent The primary air that main exhaust vent 311 is blown out is spread to two sides, to keep flowing to for the air-flow of entire air curtain apparatus easier to control, is blown out Air-flow more concentrate, and then form more stable air curtain, more effectively oil smoke prevented to escape outward, improve lampblack-pumped efficiency, Promote user experience；And this structure, play the role of segmentation to the air-flow at air curtain air outlet 11, air-flow is dividing at wind part 3 Area of passage reduce, therefore, lift is farther, can be improved the intensity for being formed by air curtain, and then preferably prevent oil smoke to Outside escape；In addition, dividing wind part 3 by increasing, the air-out mode of air curtain air outlet 11 is made to become multiple rulers by single air port Very little lesser hole outlet air, additionally it is possible to reduce the probability that sundries such as winged insect or dish bits etc. enter air curtain air duct 1, avoid wind as far as possible Curtain air duct 1 blocks, to improve the reliability in air curtain air duct 1.

Wherein, dividing wind part 3 can be slab construction；It may be warp architecture, or part is warp architecture, is partially Slab construction, when for warp architecture, such as waveform warp architecture, arc-shaped bend structure divides the cross section of wind part 3 in bending Shape, as shown in Figure 1 and Figure 2, the cross section perpendicular to gas flow generator 2 axial X, when dividing wind part 3 to be provided with warp architecture, Divide wind part 3 that can play guide functions to air-flow, is conducive to the formation of air curtain.

Specifically, dividing wind part 3 can be twisted plate shape structure, or other warp architectures.With reference to Fig. 1, Fig. 2, divide Wind part 3 is arc-shaped bend structure, to the inside in air curtain air duct 1 protrusion or external protrusion.In fig. 1 it is illustrated that dividing the wind part 3 to be Curved plate-like structure, and it is protruded to the external of air curtain air duct 1, this mode, axis, main outlet air when auxiliary exhaust vent 321 When radial direction of the axis in hole 311 with the outer surface of arc-shaped bend structure, in air side, the axis of exhaust vent 321 is assisted to extend Line is tilted to the axis direction away from main exhaust vent 311, and therefore, the air curtain of formation is more dispersed, and air-flow is than milder.In Fig. 2 In, 3 curved plate-like structures of point wind part are shown, and it is protruded to the inside in air curtain air duct 1, this mode, when auxiliary exhaust vent 321 axis, main exhaust vent 311 radial direction of the axis with the outer surface of arc-shaped bend structure when, in air side, assist outlet air The axis extended line in hole 321 intersects with the axis extended line of main exhaust vent 311, and therefore, the air curtain of formation is more concentrated, and wind speed is more Fastly, more preferable to the blocking effect of oil smoke, therefore, it, can either be easy to process using this warp architecture, and it is capable of forming relatively concentration Air curtain.

No matter dividing which kind of structure wind part 3 uses, in order to concentrate the air curtain to be formed more, in a kind of embodiment, outlet air is assisted The air-out direction in hole 321 is towards the air-out direction of main exhaust vent 311, i.e., the axis of auxiliary exhaust vent 321 is in 1 outside of air curtain air duct One end to the longitudinal section of main exhaust vent 311 tilt, longitudinal section refers to the section for being parallel to above-mentioned axial direction X.

In a kind of embodiment, the opposite two sides of main wind unit 31 are provided with auxiliary wind unit 32, with from two sides pair The primary air that main wind unit 31 is blown out is stopped, and is reduced diffusion of the primary air to two sides, is further increased the effective of air curtain Property.

Dividing on wind part 3 can be set one or more main wind unit 31, no matter setting is several, each main wind unit 31 two sides are provided with auxiliary wind unit 32, that is to say, that two of a main wind unit 31 and its two sides assist out Wind unit 32 forms an air curtain group, and wind part 3 is divided to be provided with one or more air curtain group, when being equipped with multiple air curtain groups, together One air curtain apparatus is capable of forming multilayer air curtain, can increase the ability that air curtain prevents oil smoke from escaping outward.

Specifically, it at least partly extends straight or extends in camber line, i.e., main exhaust vent along the main exhaust vent 311 of axial X The extension path of part is straight line or arc in 311, wherein camber line is protruded to the outside of air curtain, that is to say, that main exhaust vent 311 can be generally linear strip-shaped hole, and as shown in Figure 3, Figure 4, this mode is easy to process；It can also generally arc The strip-shaped hole of shape line；Or part is linear type strip-shaped hole, is partially arc line shaped strip-shaped hole.After such setting, the wind of formation Curtain is more concentrated, stronger for the prevention ability of fumes escaping.

Main wind unit 31 can be provided only with a main exhaust vent 311, and multiple main exhaust vents 311 also can be set, As two, three or more, when being provided with multiple main exhaust vents 311, multiple main exhaust vents 311 can be along orientation Arrangement, respectively auxiliary wind unit 32 is located at the two sides that this multiple main exhaust vent 311 forms whole (i.e. main wind unit 31) at this time. Wherein, above-mentioned orientation is vertical with the axial X of said flow generator 2, and is located on horizontal plane.It is of course also possible to along axis Multiple main exhaust vents 311 are arranged with to X, to form main wind unit 31.

Similarly, auxiliary wind unit 32 also may include multiple auxiliary exhaust vents 321, each that exhaust vent 321 is assisted to line up one Column or multiple row, wherein same row assists the arrangement path of exhaust vent 321 consistent with the extension path of main exhaust vent, i.e., in master When exhaust vent 311 is linear type strip-shaped hole, it is straight line that same row, which assists the arrangement path of exhaust vent 321,；It is in main exhaust vent 311 When arc line type strip-shaped hole, it is camber line that same row, which assists the arrangement path of exhaust vent 321,.

With reference to Fig. 3, Fig. 4, when assisting exhaust vent 321 too big at a distance from main exhaust vent 311, auxiliary exhaust vent 321 is blown Farther out, secondary air is to primary air to the blocking of two sides expanding for the primary air that secondary air out is blown out apart from main exhaust vent 311 Ability will reduce；And when assisting exhaust vent 321 too small at a distance from main exhaust vent 311, secondary air may influence main gas again The flow direction of stream weakens the air curtain of formation.For this purpose, setting auxiliary exhaust vent 321 goes out with master in one embodiment of the application The minimum range of air holes 311 is 5mm-10mm, such as 5mm, 5.5mm, 7mm, 8mm, 9.5mm, 10mm etc., so that the air curtain formed is more It concentrates, and has enough intensity.Wherein, above-mentioned distance refers to the two along the size in the direction perpendicular to axial X.

In order to guarantee enough air outputs, and the air curtain in stable set is formed, divided on wind part 3, auxiliary wind unit 32 Perforated area summation is the 1/5 to 1/3 of the perforated area summation of main wind unit 31, such as 1/5,1/4,1/3, such as Fig. 3, Fig. 4 Shown in embodiment, each perforated area summation for assisting exhaust vent 321 is the 1/5 of the perforated area summation of each main exhaust vent 311 To 1/3.

Further, the minimum widith of main exhaust vent 311 is 3mm-10mm, such as 3mm, 5mm, 7mm, 9mm, 10mm；It is long Degree is 5mm-25mm, such as 5mm, 6mm, 10mm, 15mm, 20mm, 24mm, 25mm, with guarantee main exhaust vent 311 air output and To the blocking range of oil smoke.Wherein, width refers to that the size along the direction perpendicular to axial X, length refer to the ruler along axial X-direction It is very little.

Wherein, auxiliary exhaust vent 321 can for round hole and along above-mentioned axial direction X extension waist-shaped hole hole at least one Kind, auxiliary exhaust vent 321 uses this structure, and the secondary air for assisting exhaust vent 321 to blow out can be made not influence to lead as far as possible The flow direction of air-flow, while playing and prevent dispersion of the primary air to two sides.As shown in figure 3, dividing each auxiliary exhaust vent on wind part 3 321 be round hole；As shown in figure 4, each auxiliary exhaust vent 321 on each point of wind part 3 is waist-shaped hole, the waist-shaped hole is along axial X extends.Using this embodiment of Fig. 3 and Fig. 4, the structure of the auxiliary exhaust vent 321 on same point of wind part 3 is identical, easy to process.

It is partially round hole it is worth noting that, also can be set in multiple auxiliary exhaust vents 321 on point wind part 3, portion It is divided into waist-shaped hole.In addition, in the same auxiliary wind unit 32, each structure for assisting exhaust vent 321 can be identical, can also be with It is not identical；Structure positioned at each auxiliary exhaust vent 321 of different auxiliary wind units 32 can also be identical or not identical；And It when assisting exhaust vent 321 is waist-shaped hole, can also be extended along other directions, in addition, auxiliary exhaust vent 321 can also be with Using the pore structure of other structures, herein with no restrictions.

Specifically, the diameter of above-mentioned round hole can be 3mm-8mm, such as 3mm, 3.5mm, 5mm, 6.5mm, 7.5mm, 8mm Deng；The length of above-mentioned waist-shaped hole is 5mm-25mm, such as 5mm, 6mm, 40mm, 15mm, 20mm, 23mm, 25mm；The width of waist-shaped hole Degree is 3mm-10mm, such as 3mm, 4mm, 6, mm, 8mm, 9mm, 10mm etc..Exhaust vent 321 is assisted to use the size range, Neng Goujin One step guarantees the intensity of air output and outlet air.It is to be appreciated that auxiliary exhaust vent 321 can also be arranged using other sizes.

In a kind of embodiment, along above-mentioned axial direction X, the both ends of main exhaust vent 311 exceed gas flow generator 2, with effectively It blows out the air-flow of the submitting of gas flow generator 2 to form air curtain.Further, the length of main exhaust vent 311 is compared with gas flow generator 2 The big 5mm-10mm of axial dimension, that is to say, that along axial X, in the same side, main exhaust vent 311 exceeds the ruler of gas flow generator 2 Very little is 5mm-10mm, such as 5mm, 6mm, 8mm, 9mm, 10mm.

The application also provides a kind of kitchen tools system, including air curtain apparatus described in any embodiment as above.Kitchen tools system is also It may include range hood and kitchen range, range hood and kitchen range are oppositely arranged, at this point it is possible to only range hood or kitchen range setting There is air curtain apparatus, air curtain apparatus can also be provided with range hood and kitchen range.

When range hood is provided with air curtain apparatus, the equal direction of air-out direction of main exhaust vent 311 and auxiliary exhaust vent 321 The air-out direction of kitchen range, i.e. the two is arranged downward, can downwards, can also be diagonally downward.When range hood works, culinary art The oil smoke of generation is gradually spread during moving upwards, in this way, due to main exhaust vent 311 and auxiliary outlet air Wind speed at hole 321 is maximum, and blocking capability of the air curtain at this is stronger, therefore, can as far as possible retardation motion to top oil Cigarette is to external diffusion.

When kitchen range are provided with air curtain apparatus, and the air-out direction of main exhaust vent 311 and auxiliary exhaust vent 321 is towards suction The air-out direction of kitchen ventilator, i.e. the two is arranged upward, can be vertically upward, is also possible to tilt upward, in the embodiment In, since in actual use, the oil smoke of the generations such as culinary art can be flowed up, and therefore, the air curtain apparatus for being set to kitchen range is working When, the airflow direction of the air-out direction and oil smoke of main exhaust vent 311 and auxiliary exhaust vent 321 is almost the same, so as to accelerate The flowing of oil smoke makes oil smoke arrive more quickly at range hood, and then is pumped.

It is to be appreciated that range hood includes casing, when range hood is provided with air curtain apparatus, air curtain apparatus is installed on Casing specifically can be installed on the edge of casing, can be provided with air curtain apparatus in the opposite sides of casing, exist at this time When main exhaust vent 311 is arc line type strip-shaped hole, arc line shaped strip-shaped hole is protruded to the outside of range hood, so, it is possible into one Step prevents oil smoke to external diffusion, and oil smoke is effectively avoided to escape from the two sides of operating position, and then increases the smoke pumping of kitchen tools system Effect.

Similarly, kitchen range include stove shell, and when kitchen range are provided with air curtain apparatus, air curtain apparatus is installed on stove shell, specifically, can To be installed on the edge of stove shell, it such as is provided with air curtain apparatus in the opposite sides of stove shell, is at this time camber line in main exhaust vent 311 When shape strip-shaped hole, arc line shaped strip-shaped hole is protruded to the outside of kitchen range, be so, it is possible to further prevent oil smoke to external diffusion, be mentioned High smoke pumping effect.

Wherein, above-mentioned two sides refer to the two sides relative to operating position.In actual use, range hood and kitchen range are operating The opposite side of position is usually wall, although wall can play certain interception to the escape of oil smoke, due to oil smoke In include greasy dirt, if long-time service, wall can be made fouling, in order to solve this problem, in a kind of embodiment of the application, No matter range hood or kitchen range, it can be also equipped with air curtain apparatus in the opposite side of operating position, to further avoid oil Cigarette is escaped outward, increases the smoke pumping effect of kitchen tools system, promotes user experience.

In addition, kitchen tools system and may include cabinet body, above-mentioned air curtain apparatus has also been can be set in cabinet body.

Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting Ground combination, superposition.

The foregoing is merely the preferred embodiments of the utility model, are not limited to the utility model, for those skilled in the art For, the utility model can have various modifications and changes.All any modifications made within the spirit and principle of the utility model are equal Replacement, improvement etc., should be included within the protection scope of the utility model.

Claims (16)

1. a kind of air curtain apparatus, which is characterized in that including air curtain air duct (1), gas flow generator (2) and divide wind part (3), the gas Flow generator (2) is set to the air curtain air duct (1)；The air curtain air duct (1) has air curtain air outlet (11), described to divide wind part (3) it is set to the air curtain air outlet (11), so that the air-flow in the air curtain air duct (1) is divided wind part (3) blowout to form wind Curtain；

Wherein, it is described divide on wind part (3) be provided with main wind unit (31) and auxiliary wind unit (32), the main wind unit It (31) include main exhaust vent (311), the main exhaust vent (311) is along the axially extending of the gas flow generator (2)；The auxiliary Wind unit (32) includes auxiliary exhaust vent (321), and at least side of the main wind unit (31) is provided with described assist out Wind unit (32).

2. air curtain apparatus according to claim 1, which is characterized in that described to divide wind part (3) at least partially warp architecture.

3. air curtain apparatus according to claim 2, which is characterized in that it is described that wind part (3) is divided to be arc-shaped bend structure, to institute State the inside protrusion or external protrusion in air curtain air duct (1).

4. air curtain apparatus according to claim 1, which is characterized in that the air-out direction court of auxiliary exhaust vent (321) To the air-out direction of the main exhaust vent (311).

5. air curtain apparatus according to claim 1, which is characterized in that the perforated area of auxiliary wind unit (32) is total With 1/5 to 1/3 of the perforated area summation for the main wind unit (31).

6. air curtain apparatus according to claim 1, which is characterized in that the auxiliary exhaust vent (321) and the main outlet air The minimum range in hole (311) is 5mm-10mm.

7. air curtain apparatus according to claim 1, which is characterized in that along the axial direction, the main exhaust vent (311) is at least Part extends straight or extends in camber line.

8. air curtain apparatus according to claim 1, which is characterized in that the minimum widith of the main exhaust vent (311) is 3mm-10mm, length 5mm-25mm.

9. air curtain apparatus according to claim 1, which is characterized in that the auxiliary exhaust vent (321) is round hole and edge Axially extending at least one of the waist-shaped hole.

10. air curtain apparatus according to claim 9, which is characterized in that the diameter of the round hole is 3mm-8mm；

And/or

The length of the waist-shaped hole is 5mm-25mm, and the width of the waist-shaped hole is 3mm-10mm.

11. air curtain apparatus according to claim 1, which is characterized in that the auxiliary wind unit (32) includes multiple auxiliary It helps exhaust vent (321), each auxiliary exhaust vent (321) forms a line or multiple row, wherein exhaust vent is assisted described in same row (321) arrangement path is consistent with the extension path of the main exhaust vent (311).

12. air curtain apparatus according to claim 1, which is characterized in that along the axial direction, the main exhaust vent (311) Both ends exceed the gas flow generator (2).

13. air curtain apparatus according to claim 12, which is characterized in that the length of the main exhaust vent (311) is relatively described The big 5mm-10mm of axial dimension of gas flow generator (2).

14. -13 described in any item air curtain apparatus according to claim 1, which is characterized in that the main wind unit (31) is opposite Two sides be provided with the auxiliary wind unit (32).

15. air curtain apparatus according to claim 14, which is characterized in that a main wind unit (31) and its two sides Two auxiliary wind units (32) form an air curtain group, it is described that wind part (3) is divided to be provided with multiple air curtain groups.

16. a kind of kitchen tools system, which is characterized in that including such as described in any item air curtain apparatus of claim 1-15；

It further include range hood, the range hood is provided with the air curtain apparatus；

And/or

It further include kitchen range, the kitchen range are provided with the air curtain apparatus.