Smoke gathering device and kitchen appliance

Abstract

The utility model discloses a kind of smoke gathering device and kitchen appliance, it belongs to household appliance technical field, smoke gathering device includes smoke collecting hood, air curtain component and baffle, smoke collecting hood has smoke collecting cavity, and air inlet of the intercommunication outside and smoke collecting cavity is provided on smoke collecting hood;Air curtain component is set to the front end of smoke collecting hood, and air curtain component includes air outlet passage, and air outlet passage has the air outlet of intercommunication with outside to be used to form air curtain;Baffle is movably connected with smoke collecting hood and can move between first position and second position, when baffle is located first position, air outlet passage is communicated with smoke collecting cavity, when baffle is located second position, air outlet passage is cut off with smoke collecting cavity.Kitchen appliance includes above-mentioned smoke gathering device.When air curtain is not used, baffle can be located first position so that air outlet passage is communicated with smoke collecting cavity, air outlet passage and air inlet are all used to smoke into smoke collecting cavity, increase the effective volume of smoke collecting cavity, enhance smoke gathering effect, and play a good role in preventing oil fume escape.

Description

Technical Field

[0001] This utility model relates to the field of home appliance technology, and in particular to a smoke collection device and a kitchen appliance. Background Technology

[0002] A range hood is a household appliance used to purify the kitchen environment, effectively removing cooking fumes and creating a healthy and comfortable indoor environment. However, traditional range hoods often allow some fumes to escape during the exhaust process, spreading throughout the kitchen. These fumes not only pollute the air but also harm human health. To address this problem, air curtain components are typically installed on range hoods. These components create an air curtain that further blocks the spread of fumes, isolating the user from the fumes and improving the user experience. However, existing air curtains are functionally limited, providing airflow only when the air curtain function is activated and remaining idle when not in use. Utility Model Content

[0003] This utility model provides a smoke collection device and a kitchen appliance to solve the technical problem of the single function of the air curtain in the prior art.

[0004] Based on the above concept, the technical solution adopted by this utility model is as follows:

[0005] A smoke collection device, comprising:

[0006] A smoke hood has a smoke collection chamber, and the smoke hood is provided with an air inlet that connects the outside to the smoke collection chamber;

[0007] An air curtain assembly is disposed at the front end of the smoke hood. The air curtain assembly includes an air outlet channel, which has an air outlet communicating with the outside to form an air curtain.

[0008] A baffle is movably connected to the smoke collection hood and can move between a first position and a second position. When the baffle is in the first position, the air outlet channel is connected to the smoke collection chamber, and when the baffle is in the second position, the air outlet channel is separated from the smoke collection chamber.

[0009] Preferably, the air curtain assembly further includes a first fan, the air outlet channel is disposed at the air outlet end of the first fan, the air outlet channel is isolated from the air outlet end of the first fan when the baffle is in the first position, and the air outlet channel is connected to the air outlet end of the first fan when the baffle is in the second position.

[0010] Preferably, the baffle is provided with a sealing element, which is used to seal the gap between the air outlet channel and the smoke collection chamber when the baffle is in the second position.

[0011] Preferably, an auxiliary air intake channel is also included, which is disposed between the air inlet and the air outlet channel, and the auxiliary air intake channel connects the outside world and the smoke collection chamber.

[0012] Preferably, the baffle is movable between the first position, the second position and the third position, and when the baffle is in the third position, the auxiliary air intake channel is separated from the smoke collection chamber.

[0013] Preferably, the smoke collection chamber is provided with a baffle, the air curtain assembly is located in front of the baffle, and the outer wall of the air outlet channel and the baffle form the auxiliary air inlet channel.

[0014] Preferably, the partition is provided with a guide surface, which guides the airflow from the auxiliary air inlet channel to the smoke collection chamber.

[0015] Preferably, the front end of the smoke hood has a accommodating cavity, the air curtain assembly is disposed in the accommodating cavity, and the air outlet of the air outlet channel is located in front of the air inlet.

[0016] Preferably, one end of the baffle is provided with a rotating shaft, which is rotatably connected to the smoke collection hood, and the other end of the baffle is a free end.

[0017] A kitchen appliance includes a housing and a smoke collection device as described above, wherein the smoke collection hood is connected to the housing.

[0018] The beneficial effects of this utility model are:

[0019] The smoke collection device proposed in this utility model features a baffle that is movably connected to the smoke collection hood and can move between a first position and a second position. When using an air curtain, the baffle is in the second position, isolating the air outlet channel from the smoke collection chamber, allowing the air outlet channel to be used to form an air curtain. When the air curtain is not in use, the baffle can be in the first position, connecting the air outlet channel to the smoke collection chamber. Both the air outlet channel and the air inlet are used to introduce smoke into the smoke collection chamber, increasing the effective volume of the smoke collection chamber and enhancing the smoke collection effect, thus effectively preventing the escape of oil fumes. Therefore, by setting up the baffle, the air outlet channel can switch between different states, making its function flexible and adaptable to different working needs. Attached Figure Description

[0020] Figure 1 This is a front sectional view of the kitchen appliance provided in Embodiment 1 of this utility model;

[0021] Figure 2 This is a cross-sectional view of the baffle in the second position according to Embodiment 1 of this utility model;

[0022] Figure 3 yes Figure 2Enlarged view of point A;

[0023] Figure 4 This is a cross-sectional view of the baffle in the first position according to Embodiment 1 of this utility model;

[0024] Figure 5 yes Figure 4 Enlarged view of point B;

[0025] Figure 6 This is a schematic diagram of the baffle and drive motor provided in Embodiment 1 of this utility model;

[0026] Figure 7 This is a cross-sectional view of the baffle in the third position according to Embodiment 2 of this utility model;

[0027] Figure 8 yes Figure 7 Enlarged view of point C.

[0028] In the picture:

[0029] 100. Casing; 200. Main fan; 300. Oil cup;

[0030] 10. Smoke hood; 11. Smoke collection chamber; 12. Air inlet; 13. Receptacle chamber;

[0031] 20. Air curtain assembly; 21. Air outlet duct; 211. Air outlet; 22. First fan;

[0032] 31. Baffle; 32. Shaft; 33. Drive motor; 34. Seal;

[0033] 40. Auxiliary air intake channel;

[0034] 50. Partition; 51. Guide surface. Detailed Implementation

[0035] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0036] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0038] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0039] Example 1

[0040] See Figures 1 to 6 This embodiment provides a kitchen appliance, which can be a range hood, integrated stove, or integrated range hood, or other household appliances with smoke extraction functions. The kitchen appliance includes a housing 100 and a smoke collection device. The smoke collection device includes a smoke collection hood 10, which has a smoke collection chamber 11. The smoke collection hood 10 is provided with an air inlet 12 connecting the outside to the smoke collection chamber 11. The smoke collection hood 10 is connected to the housing 100. A main fan 200 is installed inside the housing 100 or the smoke collection hood 10 to extract cooking fumes. The fumes enter the smoke collection chamber 11 through the air inlet 12 and are discharged through the smoke guide channel inside the housing 100. Exemplarily, the housing 100 is located at the top of the smoke collection hood 10, and the main fan 200 is located inside the housing 100.

[0041] This embodiment uses a range hood as an example, which can be either a side-draft range hood or a top-draft range hood. The air inlet 12 is disposed on the bottom plate of the smoke collection hood 10, which extends horizontally or is angled relative to the horizontal plane. Exemplarily, the bottom plate extends downwards at an angle from front to back. The kitchen appliance also includes an oil cup 300, which is disposed on the lower side of the smoke collection hood 10 and located at the rear end of the hood 10. The bottom plate extends downwards at an angle from front to back to facilitate the flow of oil into the oil cup 300.

[0042] The shape and number of air inlets 12 are not limited here. Exemplarily, the air inlets 12 are elongated and extend along the left-right direction of the smoke hood 10. The air inlets can be circular, rectangular, elliptical, or other shapes. One or more air inlets 12 can be provided; exemplarily, multiple elongated air inlets 12 are spaced apart along the front-back direction of the smoke hood 10. Multiple circular air inlets 12 are arranged in a matrix on the smoke hood 10.

[0043] In this embodiment, the smoke collection device further includes an air curtain assembly 20 and a baffle 31. The air curtain assembly 20 is disposed at the front end of the smoke collection hood 10. The air curtain assembly 20 includes an air outlet 21, which has an air outlet 211 communicating with the outside to form an air curtain. The baffle 31 is movably connected to the smoke collection hood 10 and can move between a first position and a second position. When the baffle 31 is in the first position, the air outlet 21 is connected to the smoke collection chamber 11. When the baffle 31 is in the second position, the air outlet 21 is separated from the smoke collection chamber 11.

[0044] By setting a baffle 31, which is movably connected to the smoke hood 10 and can move between a first position and a second position, when the air curtain is in use, the baffle 31 is in the second position, which isolates the air outlet duct 21 from the smoke collection chamber 11, allowing the air outlet duct 21 to be used to form an air curtain. When the air curtain is not in use, the baffle 31 can be in the first position, allowing the air outlet duct 21 to be connected to the smoke collection chamber 11. Both the air outlet duct 21 and the air inlet 12 are used to introduce smoke into the smoke collection chamber 11, increasing the effective volume of the smoke collection chamber 11, enhancing the smoke collection effect, and playing a better role in preventing the escape of oil fumes. Therefore, by setting the baffle 31, the air outlet duct 21 can switch between different states, making its function flexible and versatile to meet different working needs.

[0045] The air outlet duct 21 is isolated from the smoke collection chamber 11, meaning that the air outlet duct 21 is not connected to the smoke collection hood 10. The air outlet 211 of the air outlet duct 21 is always connected to the outside. Therefore, when the air outlet duct 21 is isolated from the smoke collection chamber 11, outside air cannot reach the smoke collection chamber 11 through the air outlet duct 21. However, the airflow formed in the air outlet duct 21 can flow out from the air outlet 211 to form an air curtain.

[0046] In this embodiment, the front end of the fume hood 10 is provided with a receiving cavity 13, and the air curtain assembly 20 is disposed within the receiving cavity 13. The air outlet 211 of the air outlet channel 21 is located in front of the air inlet 12, so that the air curtain is located in front of the air inlet 12. An air curtain is a technology that forms a barrier through airflow to improve the exhaust effect of the range hood and prevent the spread of fumes. Therefore, by placing the air outlet channel 21 in front, an air curtain can be formed at the front end of the fume hood 10 to prevent fumes from escaping.

[0047] The air outlet 211 can be directed vertically downwards or tilted downwards. When the air outlet 211 is tilted downwards, the air can be tilted outwards or inwards. This creates an airflow barrier at the front of the range hood, preventing cooking fumes from overflowing into other areas of the kitchen.

[0048] A filter screen can be installed at the air inlet 12 to filter the oil fumes and reduce the amount of liquid oil mist entering the smoke collection chamber 11. A filter screen can also be installed at the air outlet 211 of the air outlet duct 21. When the air outlet duct 21 is connected to the smoke collection chamber 11, the oil fumes enter the smoke collection chamber 11 from the air outlet duct 21. By installing the filter screen, the oil fumes can be filtered, reducing the amount of liquid oil mist entering the smoke collection chamber 11.

[0049] The air curtain assembly 20 also includes a first fan 22. An air outlet duct 21 is disposed at the air outlet end of the first fan 22. When the baffle 31 is in the first position, the air outlet duct 21 is isolated from the air outlet end of the first fan 22. When the baffle 31 is in the second position, the air outlet duct 21 is connected to the air outlet end of the first fan 22. When the air curtain is in use, the baffle 31 is in the second position. See [reference needed]. Figure 3 When the baffle 31 is in the second position, it isolates the air outlet duct 21 from the smoke collection chamber 11. The air outlet duct 21 is connected to the air outlet of the first fan 22, so that when the first fan 22 is turned on, the airflow blown from the air outlet of the first fan 22 can pass through the air outlet 211 of the air outlet duct 21 to form an air curtain. The arrow in the figure shows the direction of airflow. When the air curtain is not in use, the baffle 31 is in the first position, see [reference]. Figure 5 The baffle 31 is positioned in the first position, connecting the air outlet duct 21 with the smoke collection chamber 11. The air outlet duct 21 is isolated from the air outlet of the first fan 22, which is in a closed state. When the main fan 200 is turned on, outside air can enter the smoke collection chamber 11 through the air outlet duct 21. The arrow in the figure shows the direction of airflow, increasing the effective volume of the smoke collection chamber 11 and enhancing the smoke collection effect. The air outlet 211 forms an air curtain outward.

[0050] The air curtain assembly 20 also includes an air inlet channel, which is located at the air inlet end of the first fan 22 and has an air inlet that communicates with the outside. When the first fan 22 is turned on, the outside airflow enters the air inlet channel from the air inlet, passes through the first fan 22, and then flows out from the air outlet 211 of the air outlet channel 21.

[0051] The air inlet of the air inlet channel can be located at the top or front end of the receiving cavity 13, or it can be located on the smoke hood 10 above the receiving cavity 13; there is no limitation on this. There is no limitation on the shape and number of air inlets. For example, the air inlet is elongated and extends along the left-right direction of the smoke hood 10. A filter screen can be installed at the air inlet to prevent foreign objects from entering the first fan 22 and causing blockage.

[0052] The baffle 31 is movable between a first position and a second position. The baffle 31 can rotate, move along a straight line, or move along a curve. In this embodiment, the baffle 31 can rotate between the first and second positions, and it can also remain at any intermediate position between the first and second positions. The rotation angle of the baffle 31 can be monitored by an angle sensor to determine its position; alternatively, a contact switch can be set to the first and second positions, and the position of the baffle 31 can be determined by the triggering state of the contact switch. For example, if the contact switch at the first position is triggered, the baffle 31 is in the first position; if the contact switch at the second position is triggered, the baffle 31 is in the second position; if neither the contact switch at the first nor the second position is triggered, the baffle 31 is in an intermediate position between the first and second positions.

[0053] For example, one end of the baffle 31 is provided with a rotating shaft 32, which is rotatably connected to the smoke collection hood 10, and the other end of the baffle 31 is a free end. The position of the baffle 31 can be changed by rotating it, which is convenient to operate and occupies little space. The smoke collection device also includes a drive motor 33, which is connected to the rotating shaft 32 to drive the rotating shaft 32 to rotate, thereby realizing the rotation of the baffle 31.

[0054] In this embodiment, the baffle 31 is plate-shaped and extends along the left-right direction of the smoke collection hood 10. The rotating shaft 32 is disposed at the top of the baffle 31, and the bottom end of the baffle 31 is a free end. The baffle 31 and the rotating shaft 32 can be integrally formed, which facilitates processing and production and ensures structural strength.

[0055] In some embodiments, when the air curtain is not used, the baffle 31 can be located at any intermediate position between the first position and the second position. At this time, the air outlet channel 21 is connected to the smoke collection chamber 11. By changing the position of the baffle 31, the flow area of ​​the air outlet channel 21 can be adjusted, thereby changing the flow rate of smoke entering the smoke collection chamber 11 from the air outlet channel 21.

[0056] A sealing element 34 is provided on the baffle 31. The sealing element 34 is used to seal the gap between the air outlet channel 21 and the smoke collection chamber 11 when the baffle 31 is in the second position. By providing the sealing element 34, air leakage between the air outlet channel 21 and the smoke collection chamber 11 is prevented, which would lead to poor air curtain effect. The sealing element 34 can be made of materials such as rubber, silicone, or sponge.

[0057] In this embodiment, the seal 34 is disposed at the edge of the baffle 31. The seal 34 may be disposed at the end of the baffle 31 away from the rotating shaft 32, or the seal 34 may be U-shaped to wrap around the three circumferential edges of the baffle 31. In other embodiments, the seal 34 may cover one side of the baffle 31 or wrap around the outer surface of the baffle 31.

[0058] When the baffle 31 is in the first position, the sealing element 34 abuts against the inner wall of the air outlet channel 21, which can also play a sealing role, so that the air outlet channel 21 is isolated and sealed from the air outlet end of the first fan 22.

[0059] In some embodiments, the smoke-collecting device further includes an auxiliary air intake channel 40, which is disposed between the air inlet 12 and the air outlet channel 21, and connects the outside to the smoke collection chamber 11. During the smoking process, if an air curtain is used, the baffle 31 is positioned in the second position, separating the air outlet channel 21 from the smoke collection chamber 11, so that the air outlet channel 21 is used to form an air curtain. At this time, both the air inlet 12 and the auxiliary air intake channel 40 introduce air into the smoke collection chamber 11. The setting of the auxiliary air intake channel 40 can increase the air intake area and improve the smoking effect. If an air curtain is not used, the baffle 31 can be positioned in the first position, connecting the air outlet channel 21 to the smoke collection chamber 11. The air outlet channel 21, the air inlet 12, and the auxiliary air intake channel 40 are all used to introduce smoke into the smoke collection chamber 11, increasing the effective volume of the smoke collection chamber 11, enhancing the smoke collection effect, and playing a better role in preventing the escape of oil fumes. Therefore, by setting the auxiliary air intake channel 40, the air intake area can be increased and the smoke collection effect enhanced regardless of whether an air curtain is used.

[0060] An auxiliary air intake channel 40 is disposed between the air inlet 12 and the air outlet channel 21. The auxiliary air intake channel 40 can be closer to the air inlet 12 or closer to the air outlet channel 21. For example, a baffle 50 is provided inside the smoke collection chamber 11, and an air curtain assembly 20 is disposed in front of the baffle 50. The outer wall of the air outlet channel 21 and the baffle 50 form the auxiliary air intake channel 40. This arrangement allows the auxiliary air intake channel 40 to be closer to the air outlet channel 21. When the air curtain is used, the front end of the smoke collection hood 10 forms an air curtain, and the fumes closer to the air curtain are drawn into the smoke collection chamber 11 through the auxiliary air intake channel 40, further preventing the fumes from escaping.

[0061] A guide surface 51 is provided on the baffle 50, which guides the airflow from the auxiliary air inlet channel 40 to the smoke collection chamber 11. The guide surface 51 guides the airflow so that it flows smoothly into the smoke collection chamber 11. The guide surface 51 can be a sloping plane or a curved surface, and there is no limitation on it.

[0062] Example 2

[0063] Figure 7 and Figure 8Embodiment 2 is shown, wherein components that are the same as or corresponding to those in Embodiment 1 are referred to using the same reference numerals as those in Embodiment 1. For simplicity, only the differences between Embodiment 2 and Embodiment 1 are described. The difference is that the baffle 31 can move between a first position, a second position, and a third position. When the baffle 31 is in the third position, the auxiliary air intake channel 40 is isolated from the smoke collection chamber 11. By isolating the auxiliary air intake channel 40 from the smoke collection chamber 11, if the air curtain is open, the air from the outlet of the first fan 22 enters the auxiliary air intake channel 40 and the outlet channel 21, increasing the thickness of the air curtain and ensuring the air curtain's blocking effect on the oil fumes; if the air curtain is not open, smoke only enters the smoke collection chamber 11 through the air inlet 12, which is suitable for scenarios with low oil fume concentrations.

[0064] The baffle 31 can move between a first position, a second position, and a third position. Specifically, it can move from the first position to the second position, from the first position to the third position, from the second position to the third position, or in the opposite direction. By adjusting the position of the baffle 31, the air intake area can be changed to improve the smoke extraction effect.

[0065] If an air curtain is not used, baffle 31 can be in the first position, with the air outlet duct 21 connected to the smoke collection chamber 11 and the auxiliary air inlet duct 40 connected to the smoke collection chamber 11. The air outlet duct 21, the air inlet 12, and the auxiliary air inlet duct 40 are all used to introduce smoke into the smoke collection chamber 11. If an air curtain is not used, baffle 31 can be in the second position, with the air outlet duct 21 isolated from the smoke collection chamber 11 and the auxiliary air inlet duct 40 connected to the smoke collection chamber 11. The air inlet 12 and the auxiliary air inlet duct 40 are both used to introduce smoke into the smoke collection chamber 11. If an air curtain is not used, baffle 31 can be in the third position, with the air outlet duct 21 isolated from the smoke collection chamber 11 and the auxiliary air inlet duct 40 isolated from the smoke collection chamber 11. The air inlet 12 is used to introduce smoke into the smoke collection chamber 11.

[0066] If an air curtain is used, the baffle 31 can be located in the second position, with the air outlet duct 21 isolated from the smoke collection chamber 11, and the auxiliary air inlet duct 40 connected to the smoke collection chamber 11. The air outlet duct 21 is used to discharge air to form an air curtain, and both the air inlet 12 and the auxiliary air inlet duct 40 are used to introduce smoke into the smoke collection chamber 11. If an air curtain is used, the baffle 31 can be located in the third position, with the air outlet duct 21 isolated from the smoke collection chamber 11, and the auxiliary air inlet duct 40 isolated from the smoke collection chamber 11. Both the air outlet duct 21 and the auxiliary air inlet duct 40 are used to discharge air to form an air curtain, and the air inlet 12 is used to introduce smoke into the smoke collection chamber 11.

[0067] The above embodiments merely illustrate the basic principles and characteristics of this utility model. This utility model is not limited to the above embodiments. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A smoke-collecting device, characterized in that, include: A smoke hood (10) has a smoke collection chamber (11), and the smoke hood (10) is provided with an air inlet (12) that connects the outside world to the smoke collection chamber (11); An air curtain assembly (20) is disposed at the front end of the smoke hood (10). The air curtain assembly (20) includes an air outlet channel (21) which has an air outlet (211) communicating with the outside to form an air curtain. A baffle (31) is movably connected to the smoke hood (10) and can move between a first position and a second position. When the baffle (31) is in the first position, the air outlet channel (21) is connected to the smoke collection chamber (11). When the baffle (31) is in the second position, the air outlet channel (21) is separated from the smoke collection chamber (11).

2. The smoke-collecting device according to claim 1, characterized in that, The air curtain assembly (20) further includes a first fan (22), and the air outlet channel (21) is disposed at the air outlet end of the first fan (22). When the baffle (31) is in the first position, the air outlet channel (21) is separated from the air outlet end of the first fan (22). When the baffle (31) is in the second position, the air outlet channel (21) is connected to the air outlet end of the first fan (22).

3. The smoke-collecting device according to claim 1, characterized in that, A sealing element (34) is provided on the baffle (31), and the sealing element (34) is used to seal the gap between the air outlet channel (21) and the smoke collection chamber (11) when the baffle (31) is in the second position.

4. The smoke-collecting device according to claim 1, characterized in that, It also includes an auxiliary air intake channel (40), which is located between the air inlet (12) and the air outlet channel (21), and the auxiliary air intake channel (40) connects the outside world with the smoke collection chamber (11).

5. The smoke-collecting device according to claim 4, characterized in that, The baffle (31) is movable between the first position, the second position and the third position. When the baffle (31) is in the third position, the auxiliary air intake channel (40) is separated from the smoke collection chamber (11).

6. The smoke-collecting device according to claim 4, characterized in that, The smoke collection chamber (11) is provided with a baffle (50), the air curtain assembly (20) is located on the front side of the baffle (50), and the outer wall of the air outlet channel (21) and the baffle (50) form the auxiliary air inlet channel (40).

7. The smoke-collecting device according to claim 6, characterized in that, The partition (50) is provided with a guide surface (51), which guides the airflow from the auxiliary air inlet channel (40) to the smoke collection chamber (11).

8. The smoke-collecting device according to claim 1, characterized in that, The front end of the smoke hood (10) is provided with a receiving cavity (13), the air curtain assembly (20) is disposed in the receiving cavity (13), and the air outlet (211) of the air outlet channel (21) is located in front of the air inlet (12).

9. The smoke-collecting device according to any one of claims 1-8, characterized in that, One end of the baffle (31) is provided with a rotating shaft (32), which is rotatably connected to the smoke collection hood (10), and the other end of the baffle (31) is a free end.

10. A kitchen appliance, characterized in that, It includes a housing (100) and a smoke collection device according to any one of claims 1-9, wherein the smoke collection hood (10) is connected to the housing (100).

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