Smoke gathering device for range hood and range hood

Abstract

The utility model relates to the technical field of household appliances, and discloses a smoke gathering device for a range hood, the range hood comprises a shell, and the shell comprises a main smoke suction port and a secondary smoke suction port; the smoke gathering device comprises an air guide shell and a fan assembly. The air guide shell comprises an air duct, an air inlet of the air duct communicates with the secondary smoke suction port, and an air outlet of the air duct corresponds to the main smoke suction port; the fan assembly is arranged in the air duct. The range hood further comprises a smoke suction assembly, the shell further comprises a smoke collecting cavity communicated with the main smoke suction opening, and the smoke suction assembly is installed in the smoke collecting cavity. According to the arrangement, in the cooking process of a user, if oil smoke is scattered to the secondary smoke suction port, the smoke gathering device can blow the oil smoke at the secondary smoke suction port to the main smoke suction port along with air, so that the condition that the oil smoke is scattered is avoided, and the use experience of the user is improved. Meanwhile, the utility model further discloses an extractor hood.

Description

Technical Field

[0001] This application relates to the field of household appliance technology, such as a smoke collection device for a range hood. Background Technology

[0002] As society develops, people have higher and higher requirements for range hoods, so range hoods are gradually developing towards multi-functionality. In particular, to improve the user experience, the smoke inlet of the range hood is now located on the bottom surface of the casing, so that the range hood can directly extract cooking fumes from the cooking area.

[0003] In related technologies, such as Chinese Patent Application No. 201920169118.5, a smoke collection hood for a range hood and a range hood having the smoke collection hood are disclosed. The smoke collection hood for a range hood includes a side baffle and a front baffle. The smoke guide channel formed by the rotatable front baffle and side baffle solves the problem that the smoke collection hood of the prior art cannot absorb oil fumes to the maximum extent.

[0004] In the process of implementing the embodiments of this disclosure, at least the following problems were found in the related art:

[0005] In related technologies, existing range hoods with smoke collection hoods still suffer from smoke escaping due to the limited size of the smoke collection hoods, resulting in a poor user experience.

[0006] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0007] To provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not intended as a general commentary, nor is it intended to identify key / important components or describe the scope of protection of these embodiments, but rather as a prelude to the detailed description that follows.

[0008] This disclosure provides a smoke collection device for a range hood. During cooking, if the fumes spread to the secondary smoke inlet, the smoke collection device can blow the fumes from the secondary smoke inlet to the main smoke inlet along with the air, thereby preventing the fumes from spreading and improving the user experience.

[0009] This disclosure provides a smoke-collecting device for a range hood. The range hood includes a housing with a main smoke inlet and a secondary smoke inlet. The smoke-collecting device includes an air guide housing and a fan assembly. The air guide housing includes an air duct, the air inlet of which communicates with the secondary smoke inlet, and the air outlet of which corresponds to the main smoke inlet. The fan assembly is disposed within the air duct. The fan's airflow direction is defined as from the air inlet to the air outlet, so as to blow air from the secondary smoke inlet to the main smoke inlet.

[0010] In some embodiments, the fan assembly includes a cross-flow impeller and a drive motor. The cross-flow impeller is disposed within the air duct and is parallel to the main smoke inlet; the drive motor includes a rotating shaft that is driveably connected to the cross-flow impeller; wherein, the drive motor can drive the cross-flow impeller to rotate in a preset direction via the rotating shaft.

[0011] In some embodiments, the air duct includes a mounting section. The mounting section is used to mount a cross-flow impeller, and the mounting section is configured as a cylindrical structure corresponding to the cross-flow impeller; wherein, there is a gap between the cross-flow impeller and the inner wall of the mounting section to form an annular flow cavity.

[0012] In some embodiments, an air outlet is provided on the side wall of the mounting part facing the main smoke inlet, and the air outlet is located outside the main smoke inlet.

[0013] In some embodiments, the air guide housing further includes a baffle plate. The baffle plate is disposed at the air outlet, and the baffle plate is configured to guide airflow toward the main smoke inlet.

[0014] In some embodiments, the length of the air outlet is greater than or equal to a preset length, and the length of the cross-flow fan is greater than or equal to a preset length.

[0015] In some embodiments, the smoke collection device further includes a filter screen and a cover plate. The filter screen is disposed at the secondary smoke inlet; the cover plate covers the secondary smoke inlet and is provided with a plurality of ventilation holes; wherein the cover plate is located outside the filter screen.

[0016] This disclosure also provides a range hood comprising: a housing and the aforementioned smoke-collecting device for the range hood. The housing includes a main smoke inlet and a secondary smoke inlet; the smoke-collecting device for the range hood is installed in the housing; wherein the smoke-collecting device can blow air from the secondary smoke inlet to the main smoke inlet.

[0017] In some embodiments, the main smoke inlet is disposed on the bottom wall surface of the housing, and the secondary smoke inlet is disposed on the side wall surface of the housing; wherein the first included angle between the side wall surface and the bottom wall surface is greater than or equal to 10° and less than or equal to 90°.

[0018] In some embodiments, the housing includes a plurality of secondary smoke inlets, which are respectively disposed on a plurality of side walls of the housing; the range hood includes a plurality of smoke collection devices, which are respectively disposed on the periphery of the main smoke inlet corresponding to the plurality of secondary smoke inlets; wherein the plurality of smoke collection devices can respectively blow air from the plurality of secondary smoke inlets to the main smoke inlet.

[0019] The present disclosure provides a smoke-collecting device and a range hood for use in range hoods, which can achieve the following technical effects:

[0020] This disclosure provides a smoke-collecting device for a range hood. The range hood includes a housing with a main smoke inlet and a secondary smoke inlet. The smoke-collecting device includes an air guide housing and a fan assembly. The air guide housing includes an air duct, with its inlet communicating with the secondary smoke inlet and its outlet corresponding to the main smoke inlet. The fan assembly is disposed within the air duct. The fan's airflow direction is defined as from the inlet to the outlet, blowing air from the secondary smoke inlet to the main smoke inlet. The range hood also includes a smoke extraction component, and the housing includes a smoke collection chamber communicating with the main smoke inlet. The smoke extraction component is installed within the smoke collection chamber. Thus, when the user is cooking, the fan assembly can draw the fumes from the secondary smoke inlet into the air duct through the air inlet of the air guide housing and blow them to the main smoke inlet through the outlet. At this time, the smoke extraction component can draw the fumes blown by the fan assembly along with the fumes from the cooking area into the smoke collection chamber. With this design, if cooking fumes escape to the secondary smoke inlet during the user's cooking process, the smoke collection device can blow the fumes from the secondary smoke inlet along with the air to the main smoke inlet, thus preventing the fumes from escaping and improving the user experience.

[0021] The above general description and the description below are exemplary and illustrative only and are not intended to limit this application. Attached Figure Description

[0022] One or more embodiments are illustrated by way of example with reference to the accompanying drawings. These illustrations and drawings do not constitute a limitation on the embodiments. Elements having the same reference numerals in the drawings are shown as similar elements. The drawings are not to be scaled. And wherein:

[0023] Figure 1 This is a schematic diagram of the structure of a range hood provided in an embodiment of this disclosure;

[0024] Figure 2 This is a schematic diagram of another range hood provided in an embodiment of this disclosure;

[0025] Figure 3 yes Figure 2 A magnified view of the local structure;

[0026] Figure 4This is a diagram showing the flow direction of dispersed oil fumes provided in an embodiment of this disclosure;

[0027] Figure 5 This is a schematic diagram of the structure of the wind turbine assembly provided in the embodiments of this disclosure;

[0028] Figure 6 This is a schematic diagram of the structure of an air guide shell provided in an embodiment of this disclosure;

[0029] Figure 7 This is a schematic diagram of another air guide shell provided in an embodiment of this disclosure;

[0030] Figure 8 This is a schematic diagram of another air guide shell provided in an embodiment of this disclosure.

[0031] Figure label:

[0032] 10: Housing; 11: Main smoke inlet; 12: Secondary smoke inlet; 13: Oil absorption assembly;

[0033] 20: Smoke collection device; 21: Air guide housing; 211: Mounting part; 212: Connecting part; 213: Flow guide plate; 22: Fan assembly; 221: Cross-flow impeller; 222: Drive motor; 23: Filter screen; 24: Cover plate. Detailed Implementation

[0034] To provide a more detailed understanding of the features and technical content of the embodiments of this disclosure, the implementation of the embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for illustrative purposes only and are not intended to limit the embodiments of this disclosure. In the following technical description, for ease of explanation, several details are used to provide a full understanding of the disclosed embodiments. However, one or more embodiments may still be implemented without these details. In other cases, well-known structures and devices may be simplified in their depiction to simplify the drawings.

[0035] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this disclosure described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0036] In this disclosure, the terms "upper," "lower," "inner," "middle," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better description of the embodiments of this disclosure and their implementations, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to require them to be constructed and operated in a specific orientation. Furthermore, some of the aforementioned terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in the embodiments of this disclosure according to the specific circumstances.

[0037] Furthermore, the terms "set up," "connect," and "fix" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0038] Unless otherwise stated, the term "multiple" means two or more.

[0039] In this embodiment of the disclosure, the character " / " indicates that the objects before and after it are in an "or" relationship. For example, A / B means: A or B.

[0040] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0041] It should be noted that, unless otherwise specified, the embodiments and features described in the present disclosure can be combined with each other.

[0042] like Figures 1 to 8 As shown, this embodiment of the present disclosure provides a smoke collection device 20 for a range hood. During the user's cooking process, if the oil fumes are dispersed to the secondary smoke inlet 12, the smoke collection device 20 can blow the oil fumes at the secondary smoke inlet 12 along with the air to the main smoke inlet 11, so as to avoid the oil fumes from being dispersed and improve the user's experience.

[0043] like Figures 1 to 8As shown, this embodiment of the present disclosure provides a smoke collection device 20 for a range hood. The range hood includes a housing 10, which includes a main smoke inlet 11 and a secondary smoke inlet 12. The smoke collection device 20 includes an air guide housing 21 and a fan assembly 22. The air guide housing 21 includes an air duct, the air inlet of which is connected to the secondary smoke inlet 12, and the air outlet of which is disposed corresponding to the main smoke inlet 11. The fan assembly 22 is disposed within the air duct. The air delivery direction of the fan is limited to from the air inlet to the air outlet, so as to blow the air at the secondary smoke inlet 12 to the main smoke inlet 11.

[0044] Specifically, the main smoke inlet 11 is located on the lower end face of the housing 10 so that it can face the cookware or stove. The housing 10 also includes a smoke collection chamber, which communicates with the main smoke inlet 11 so that fumes from the cookware or stove can enter the smoke collection chamber through the main smoke inlet 11. The secondary smoke inlet 12 is located on one side of the main smoke inlet 11. The air guide housing 21 is located between the main smoke inlet 11 and the secondary smoke inlet 12, and the air duct of the air guide housing 21 includes an air inlet communicating with the secondary smoke inlet 12 and an air outlet facing the main smoke inlet 11. The fan assembly 22 is located in the air duct to blow air from the secondary smoke inlet 12 to the main smoke inlet 11.

[0045] When a user cooks with a pot and stove, some of the oil fumes can directly enter the smoke collection chamber through the main smoke inlet 11. However, some oil fumes will disperse beyond the range of the main smoke inlet 11, causing the fumes to escape and reducing the user experience. Using the smoke collection device 20 for a range hood provided in this application, when the user is cooking, the fan assembly 22 can draw the oil fumes from the secondary smoke inlet 12 into the air duct through the air inlet of the air guide housing 21, and then blow them to the main smoke inlet 11 through the air outlet. Figure 4 As shown. At this time, the fumes blown by the fan assembly 22 can enter the smoke collection chamber along with other fumes. With this configuration, if the fumes spread to the secondary smoke inlet 12 during the user's cooking process, the smoke collection device 20 can blow the fumes from the secondary smoke inlet 12 along with the air to the main smoke inlet 11, thereby preventing the fumes from spreading and improving the user experience.

[0046] In practical applications, the main smoke inlet 11 is positioned directly above the cookware and stove, while the position of the secondary smoke inlet 12 of the smoke collection device 20 can be set according to the user's actual needs. For example, if one side of the range hood is a wall, the secondary smoke inlet 12 is located on the opposite side of the main smoke inlet 11, that is, the secondary smoke inlet 12 is located on the side of the main smoke inlet 11 closer to the user. This prevents cooking fumes from spreading to the user, improving the user experience.

[0047] like Figure 5As shown, in some embodiments, the fan assembly 22 includes a cross-flow impeller 221 and a drive motor 222. The cross-flow impeller 221 is disposed in the air duct and is arranged parallel to the main smoke inlet 11; the drive motor 222 includes a rotating shaft that is hygienically connected to the cross-flow impeller 221; wherein, the drive motor 222 can drive the cross-flow impeller 221 to rotate in a preset direction through the rotating shaft.

[0048] Specifically, the cross-flow fan 221 is horizontally positioned within the duct, and is parallel to the main smoke inlet 11 near its edge. The cross-flow fan 221 includes a support frame and multiple fan blades, which are fixedly mounted on the support frame around the axis of the cross-flow fan 221. A drive motor 222 is located on one side of the cross-flow fan 221, and its shaft is connected to the center point of the fan, driving the support frame and fan blades to rotate around the axis of the cross-flow fan 221. In this way, air from the secondary smoke inlet 12 can be drawn into the duct through the cross-flow fan 221 and blown to the main smoke inlet 11.

[0049] like Figures 6 to 8 As shown, in some embodiments, the air duct includes a mounting portion 211. The mounting portion 211 is used to mount the cross-flow impeller 221, and the mounting portion 211 is configured as a cylindrical structure corresponding to the cross-flow impeller 221; wherein, there is a gap between the cross-flow impeller 221 and the inner wall surface of the mounting portion 211 to form an annular flow cavity.

[0050] Specifically, the cross-flow impeller 221 is horizontally disposed within the mounting portion 211, and the distance between the side wall of the mounting portion 211 and the cross-flow impeller 221 is greater than or equal to a preset distance, so that a gap exists between the cross-flow impeller 221 and the inner side wall of the mounting portion 211 to form an annular flow cavity. In this way, after air flows into the mounting portion 211, it can flow with the cross-flow impeller 221 within the annular flow cavity. At this time, the cross-flow impeller 221 can increase the air velocity, thereby increasing the efficiency of drawing air from the secondary smoke inlet 12.

[0051] like Figures 6 to 8 As shown, in some embodiments, the mounting part 211 has an air outlet on the side wall facing the main smoke inlet 11, and the air outlet is located outside the main smoke inlet 11.

[0052] Specifically, the air duct also includes a connecting part 212, which connects the mounting part 211 and the secondary smoke inlet 12. The cross-flow fan 221 can rotate around its axis within the mounting part 211, and draws air from the secondary smoke inlet 12 into the mounting part 211 through the connecting part 212, and is blown to the outside of the main smoke inlet 11 through the air outlet.

[0053] like Figure 6 and Figure 7As shown, in some embodiments, the air guide housing 21 further includes a guide plate 213. The guide plate 213 is disposed at the air outlet, and the air guiding direction of the guide plate 213 is configured to face the main smoke inlet 11.

[0054] Specifically, the deflector 213 is configured as an arc-shaped plate and is horizontally positioned at the air outlet. In this way, the air blown out from the air outlet can be guided by the deflector 213 to the main smoke inlet 11.

[0055] Optionally, the deflector 213 includes a guide arc surface, which has a windward side and a leeward side. The tangent on the windward side of the guide arc surface is parallel to the airflow direction at the air outlet to facilitate the airflow at the air outlet along the guide arc surface. The leeward side of the guide arc surface is bent towards the main smoke inlet 11 to guide the airflow to the main smoke inlet 11.

[0056] In some embodiments, the length of the air outlet is greater than or equal to a preset length, and the length of the cross-flow fan 221 is greater than or equal to a preset length.

[0057] Specifically, by making the length of the air outlet and the length of the cross-flow fan 221 greater than or equal to the preset length, the efficiency of drawing air from the secondary smoke inlet 12 can be improved without increasing the width of the air outlet.

[0058] Optionally, the length of the air outlet is greater than or equal to 2 / 3 times the length of the main smoke inlet 11, for example, the length of the air outlet is 2 / 3, 3 / 4, 1, 4 / 3, or 3 / 2 times the length of the main smoke inlet 11. Similarly, the length of the cross-flow fan 221 is greater than or equal to 2 / 3 times the length of the main smoke inlet 11, for example, the length of the cross-flow fan 221 is 2 / 3, 3 / 4, 1, 4 / 3, or 3 / 2 times the length of the main smoke inlet 11.

[0059] like Figure 3 As shown, in some embodiments, the smoke collection device 20 further includes a filter screen 23 and a cover plate 24. The filter screen 23 is disposed at the secondary smoke inlet 12; the cover plate 24 is disposed over the secondary smoke inlet 12 and has a plurality of ventilation holes; wherein, the cover plate 24 is located outside the filter screen 23.

[0060] Specifically, the filter screen 23 is located at the secondary smoke inlet 12 to filter the air flowing into the duct through the secondary smoke inlet 12, so as to prevent dust and other impurities from accumulating in the duct and thus preventing the cross-flow impeller 221 and the drive motor 222 from being affected. The cover plate 24 is placed on the outside of the filter screen 23 to avoid safety hazards and improve the aesthetics of the smoke collection device 20 and the overall range hood.

[0061] like Figures 1 to 8As shown, this embodiment of the present disclosure also provides a range hood including: a housing 10 and the aforementioned smoke-collecting device 20 for the range hood. The housing 10 includes a main smoke inlet 11 and a secondary smoke inlet 12; the smoke-collecting device 20 for the range hood is installed on the housing 10; wherein, the smoke-collecting device 20 can blow air from the secondary smoke inlet 12 to the main smoke inlet 11.

[0062] Specifically, the main smoke inlet 11 of the housing 10 is positioned corresponding to the cookware and stove, and the secondary smoke inlet 12 is located to one side of the main smoke inlet 11. The range hood also includes a smoke extraction component, and the housing 10 also includes a smoke collection chamber communicating with the main smoke inlet 11. The smoke extraction component can directly draw the fumes from the cookware and stove into the smoke collection chamber through the main smoke inlet 11. Using the smoke collection device 20 provided in this application, when the user is cooking, the fan assembly 22 can draw the fumes from the secondary smoke inlet 12 into the duct through the air inlet of the air guide housing 21, and blow them to the main smoke inlet 11 through the air outlet. At this time, the smoke extraction component can draw the fumes blown by the fan assembly 22 along with the fumes from the cooking area into the smoke collection chamber. With this configuration, if the cooking fumes spread to the secondary smoke inlet 12 during the user's cooking process, the smoke collection device 20 can blow the fumes from the secondary smoke inlet 12 along with the air to the main smoke inlet 11, thereby preventing the fumes from spreading out and improving the user experience.

[0063] like Figures 1 to 3 As shown, in some embodiments, the main smoke inlet 11 is disposed on the bottom wall surface of the housing 10, and the secondary smoke inlet 12 is disposed on the side wall surface of the housing 10; wherein, the first included angle between the side wall surface and the bottom wall surface is greater than or equal to 10° and less than or equal to 90°.

[0064] Specifically, the bottom wall is horizontally positioned, and the first included angle between the side wall and the bottom wall is 10°, 30°, 50°, 70°, or 90°. Thus, the side wall is configured as an inclined surface or a vertical plane. It is understood that the fumes escaping from the main smoke inlet 11 will escape to the periphery of the housing 10; therefore, configuring the side wall as an inclined surface or a vertical plane makes it easier for the smoke collection device 20 to draw in the fumes from the periphery of the housing 10 through the secondary smoke inlet 12 and blow them to the main smoke inlet 11.

[0065] In some embodiments, the housing 10 includes a plurality of secondary smoke inlets 12, and the plurality of secondary smoke inlets 12 are respectively disposed on a plurality of side walls of the housing 10; the range hood includes a plurality of smoke gathering devices 20, and the plurality of smoke gathering devices 20 are respectively disposed on the periphery of the main smoke inlet 11 corresponding to the plurality of secondary smoke inlets 12; wherein, the plurality of smoke gathering devices 20 can respectively blow air from the plurality of secondary smoke inlets 12 to the main smoke inlet 11.

[0066] Specifically, when the fumes escape around the housing 10, multiple smoke collection devices 20 can respectively draw in the fumes around the housing 10 through multiple secondary smoke inlets 12, and completely blow the fumes around the housing 10 to the main smoke inlet 11, further preventing the fumes from spreading and improving the user experience.

[0067] The foregoing description and accompanying drawings fully illustrate embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the order of operation may vary. Parts and features of some embodiments may be included or substituted for parts and features of other embodiments. Embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from its scope. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A smoke-collecting device for a range hood, characterized in that, The range hood includes a housing, and the housing includes a main smoke inlet and a secondary smoke inlet; The smoke collection device includes: The air guide housing includes an air duct, wherein the air inlet of the air duct is connected to the secondary smoke inlet, and the air outlet of the air duct is provided corresponding to the main smoke inlet; and, The fan assembly is installed within the air duct; The air supply direction of the fan is defined as from the air inlet to the air outlet, so as to blow the air at the secondary smoke inlet to the main smoke inlet.

2. The smoke-collecting device according to claim 1, characterized in that, The wind turbine assembly includes: A cross-flow fan is disposed within the air duct, and the cross-flow fan is arranged parallel to the main smoke inlet; and, A drive motor, including a rotating shaft that is connected to the cross-flow fan wheel drive; The drive motor can drive the cross-flow fan to rotate in a preset direction via the rotating shaft.

3. The smoke-collecting device according to claim 2, characterized in that, The air duct includes: The mounting part is used to mount the cross-flow impeller, and the mounting part is configured as a cylindrical structure corresponding to the cross-flow impeller; There is a gap between the cross-flow impeller and the inner wall of the mounting part to form an annular flow cavity.

4. The smoke-collecting device according to claim 3, characterized in that, The air outlet is provided on the side wall of the mounting part facing the main smoke inlet, and the air outlet is located outside the main smoke inlet.

5. The smoke-collecting device according to claim 4, characterized in that, The air guide housing also includes: A deflector is disposed at the air outlet, and the deflector is configured to guide the airflow toward the main smoke inlet.

6. The smoke-collecting device according to claim 2, characterized in that, The length of the air outlet is greater than or equal to a preset length, and the length of the cross-flow fan is greater than or equal to a preset length.

7. The smoke-collecting device according to any one of claims 1 to 6, characterized in that, Also includes: A filter screen is installed at the secondary smoke inlet; and, A cover plate is installed over the secondary smoke inlet, and the cover plate is provided with multiple ventilation holes; The cover plate is located on the outside of the filter screen.

8. A range hood, characterized in that, include: The housing includes a main smoke inlet and a secondary smoke inlet; and, The smoke-collecting device for a range hood as described in any one of claims 1 to 7 is installed in the housing; The smoke-collecting device can blow air from the secondary smoke inlet to the main smoke inlet.

9. The range hood according to claim 8, characterized in that, The main smoke inlet is located on the bottom wall of the housing, and the secondary smoke inlet is located on the side wall of the housing; Wherein, the first included angle between the side wall surface and the bottom wall surface is greater than or equal to 10° and less than or equal to 90°.

10. The range hood according to claim 8 or 9, characterized in that, The housing includes a plurality of secondary smoke inlets, and the plurality of secondary smoke inlets are respectively disposed on a plurality of side wall surfaces of the housing; and, The range hood includes a plurality of smoke-gathering devices, and the plurality of smoke-gathering devices are respectively disposed around the periphery of the main smoke-gathering port, corresponding to the plurality of secondary smoke-sucking ports. The multiple smoke-collecting devices can respectively blow air from the multiple secondary smoke-collecting ports to the main smoke-collecting port.

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