Double-fan range hood

Abstract

The present invention provides a dual-fan range hood, belonging to the technical field of kitchen appliances. The dual-fan range hood includes a housing, a fan assembly disposed inside the housing, a smoke collection chamber assembly, and a partitioning structure. The fan assembly includes two fans, and a receiving chamber is disposed between the housing and the air inlet end of the fan assembly; the smoke collection chamber assembly is liftably connected to the receiving chamber; the partitioning structure is located within the receiving chamber, and the partitioning structure includes a baffle, one end of the baffle being connected to the housing and the other end being rotatably connected to the smoke collection chamber assembly; the smoke collection chamber assembly is configured as a power source for the baffle, and the baffle is used to separate the receiving chamber. The dual-fan range hood has a first operating condition and a second operating condition. The present invention utilizes the smoke collection chamber assembly to automatically drive the movement of the baffle, without requiring an additional power source, thereby preventing airflow interference between the two fans and achieving the "fully hidden" design requirement of the smoke collection chamber.

Description

Technical Field

[0001] The present invention relates to the technical field of kitchen appliances, and in particular to a double-fan range hood. Background Art

[0002] In recent years, the concept of "close-in" (or "near-inhalation")—namely, smaller sizes, closer extraction ports to stoves, and reduced smoke leakage—has been gaining increasing attention in the kitchen appliance market. The range hood market has also begun to focus on concepts like "near-inhalation" and "ultra-thin." Ultra-thin, near-inhalation models are also the fastest-growing category in the overall range hood market.

[0003] Dual-fan range hoods utilize parallel-connected air cabinets. Compared to traditional single-fan range hoods, they achieve the same air volume at a lower impeller speed, providing a better user experience. To further reduce the height of the range hood, the smoke collection chamber is typically designed to be retractable. This extends downward when the range hood is operating and retracts upward when the range hood is not operating, creating a "fully concealed" design.

[0004] When the range hood of this design is working, the smoke collecting chamber extends out of the box, and a large cavity will be generated in the position originally used to store the smoke collecting chamber. When the two motors of the dual-motor range hood work at the same time or are turned on individually, the airflows will interfere with each other, resulting in reduced efficiency in extracting smoke.

[0005] Directly designing a fixed baffle in the above-mentioned large cavity will affect the telescopic function of the smoke collecting cavity and cannot achieve the "fully hidden" design requirement of the smoke collecting cavity. Summary of the Invention

[0006] The object of the present invention is to provide a dual-fan range hood, which utilizes the smoke collection chamber assembly to automatically drive the movement of the baffle, does not require an additional power source, and can separate the accommodating chamber into two independent air inlet parts, thereby avoiding mutual interference of the airflow between the two fans, improving the efficiency of extracting smoke, and achieving the "fully hidden" design requirement of the smoke collection chamber.

[0007] The object of the present invention is to provide a control method for a dual-fan range hood.

[0008] To achieve the purpose of the present invention, the present invention adopts the following technical solutions:

[0009] According to one aspect of the present invention, a dual-fan range hood is provided. The dual-fan range hood comprises:

[0010] Box;

[0011] A fan assembly is arranged inside the box body and includes two fans, wherein a receiving cavity is provided between the box body and the air inlet end of the fan assembly;

[0012] A smoke collecting chamber assembly, which is liftably connected to the accommodating chamber;

[0013] A sub-cavity structure is located in the accommodating cavity and includes a baffle, wherein one end of the baffle is connected to the box body and the other end is rotatably connected to the smoke collecting cavity assembly;

[0014] Wherein, the smoke collecting chamber assembly is configured as a power source of the baffle, the baffle is used to separate the accommodating chamber, and the dual-fan range hood has a first working condition and a second working condition.

[0015] According to an embodiment of the present invention, in the first working condition, the dual-fan range hood is in a non-working state, and the smoke collecting chamber assembly and the sub-cavity structure are both accommodated inside the accommodating chamber;

[0016] In the second working condition, the dual-fan range hood is in working condition. When the smoke collecting chamber assembly moves to the outside of the accommodating chamber, the chamber dividing structure divides the accommodating chamber into two sub-cavities, and the two sub-cavities are respectively connected to the air inlet ends of the two fans.

[0017] According to one embodiment of the present invention, the chamber structure includes:

[0018] a guide assembly connected to the box body and the fan assembly, wherein the baffle is slidably connected to the guide assembly for guiding the movement of the baffle;

[0019] Wherein, through the cooperation between the smoke collecting chamber assembly and the guide assembly, the baffle can separate the accommodating chamber into two sub-cavities.

[0020] According to one embodiment of the present invention, the guide assembly comprises:

[0021] A guide rail, fixedly connected to the interior of the box;

[0022] a guide sleeve, sleeved on the outer periphery of the guide rail to slide along the guide rail, wherein the baffle is hinged to the guide sleeve;

[0023] Wherein, when the smoke collecting chamber assembly moves, the baffle can be driven to slide along the guide rail.

[0024] According to one embodiment of the present invention, the smoke collecting chamber assembly includes:

[0025] The smoke collecting chamber comprises two smoke collecting chamber channels, wherein the sub-cavity is connected to the fan and the smoke collecting chamber channels;

[0026] a panel connected to the smoke collecting chamber;

[0027] Wherein, a rotating shaft is installed on a side of the smoke collecting chamber close to the baffle, and the baffle is rotatably connected to the rotating shaft.

[0028] According to one embodiment of the present invention, a position limiting component is further included, and the position limiting component includes:

[0029] A limit block is provided on the guide rail to limit the motion range of the guide sleeve.

[0030] According to an embodiment of the present invention, in the first working condition, the baffle is parallel to or non-perpendicular to the guide rail.

[0031] According to an embodiment of the present invention, the angle between the plane where the baffle is located and the axis of the guide rail is θ1, wherein 0°<θ1<45°.

[0032] According to one embodiment of the present invention, in the second working condition, the angle between the plane where the baffle is located and the axis of the guide rail is θ2, wherein 0°<θ2<20°.

[0033] According to another aspect of the present invention, a control method for a dual-fan range hood is provided, the dual-fan range hood control method comprising:

[0034] Turn on the dual-fan range hood, at which point the smoke collection chamber assembly is located at the smoke collection chamber initial position within the accommodating chamber, and the baffle is at the baffle initial position;

[0035] After the dual-fan range hood is turned on, the smoke collecting chamber assembly is controlled to start moving downward, and the smoke collecting chamber assembly drives the baffle to move synchronously;

[0036] When the smoke collecting chamber assembly moves to a first smoke collecting chamber preset position outside the accommodating chamber, the baffle moves to the first baffle preset position and divides the accommodating chamber into two sub-cavities;

[0037] When the smoke collecting chamber assembly moves to the first smoke collecting chamber preset position, the fan is started to discharge the oil smoke;

[0038] After cooking is finished, turning off the dual-fan range hood and the fan;

[0039] When the fan is turned off, the smoke collecting chamber assembly is controlled to move upward to the initial position of the smoke collecting chamber, and the baffle is restored to the initial position of the baffle.

[0040] According to one embodiment of the present invention, the method further comprises:

[0041] Before starting the fan, opening the panel;

[0042] After the fan is turned off, the panel is closed first, and then the movement of the smoke collecting chamber assembly drives the baffle to move, so that the smoke collecting chamber assembly and the baffle are both accommodated in the accommodating chamber.

[0043] An embodiment of the present invention has the following advantages or beneficial effects:

[0044] The present invention utilizes the movement of the smoke collecting chamber assembly to drive the movement of the baffle, does not require an additional power source, and can automatically achieve synchronous movement of the smoke collecting chamber assembly and the baffle; without affecting the concealing function of the smoke collecting chamber assembly, the baffle can separate the accommodating chamber into two independent air inlet parts, avoiding mutual interference of the airflow between the two fans, and improving the efficiency of extracting fume.

[0045] The control method of the dual-fan range hood of the present invention drives the movement of the baffle through the movement of the smoke collecting chamber assembly, does not require an additional power source, and fully utilizes the space of the accommodating chamber. When the dual-fan range hood is in working state, the accommodating chamber can be separated into two independent air ducts on the left and right, which can avoid mutual interference when the two fans are not working at the same time, thereby improving the efficiency of extracting oil smoke; when the dual-fan range hood is in non-working state, the baffle can make way for the smoke collecting chamber, so that the smoke collecting chamber can be completely hidden in the box. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the accompanying drawings.

[0047] Figure 1 FIG2 is a schematic diagram of a dual-fan range hood according to an exemplary embodiment.

[0048] Figure 2 FIG. 1 is an exploded view of a dual-fan range hood according to an exemplary embodiment.

[0049] Figure 3 FIG1 is a schematic diagram showing the connection between the smoke collecting chamber assembly and the sub-chamber structure according to an exemplary embodiment.

[0050] Figure 4 It is a schematic diagram showing the connection between the chamber structure, the smoke collecting chamber assembly and the dual-fan range hood in the first working condition according to an exemplary embodiment.

[0051] Figure 5 1 is a schematic diagram showing the connection between the chamber structure, the smoke collecting chamber assembly and the dual-fan range hood in the second working condition according to an exemplary embodiment.

[0052] Figure 6 FIG1 is a schematic diagram showing the operation of a dual-fan range hood according to an exemplary embodiment.

[0053] The description of the accompanying drawings is as follows:

[0054] 1. Box body; 100. Accommodation cavity;

[0055] 2. Fan assembly; 21. Fan;

[0056] 3. Smoke collecting chamber assembly; 31. Smoke collecting chamber; 310. Smoke collecting chamber channel; 311. Rotating shaft; 32. Panel;

[0057] 4. Chamber structure; 41. Baffle; 42. Guide assembly; 421. Guide rail; 422. Guide sleeve. DETAILED DESCRIPTION

[0058] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concepts of the example embodiments to those skilled in the art. Like reference numerals in the figures represent like or similar structures, and thus their detailed description will be omitted.

[0059] The terms "a", "an", "the", and "said" are used to indicate the presence of one or more elements / components / etc.; the terms "including" and "having" are used to express an open-ended inclusive meaning and mean that additional elements / components / etc. may be present in addition to the listed elements / components / etc.

[0060] like Figures 1 to 5 As shown, Figure 1 A schematic diagram of a dual-fan range hood provided by the present invention is shown. Figure 2 An exploded view of the dual-fan range hood provided by the present invention is shown. Figure 3 It shows a schematic diagram of the connection between the smoke collecting chamber assembly 3 and the sub-chamber structure 4 provided by the present invention. Figure 4 It is a schematic diagram showing the connection between the chamber structure 4, the smoke collecting chamber assembly 3 and the dual-fan range hood in the first working condition according to an exemplary embodiment. Figure 5 The figure shows a connection diagram of the chamber structure 4, the smoke collecting chamber assembly 3 and the dual-fan range hood in the second working condition provided by the present invention.

[0061] A dual-fan range hood according to an embodiment of the present invention includes:

[0062] Box 1;

[0063] Fan assembly 2, disposed inside the housing 1, comprises two fans 21, wherein an accommodating chamber 100 is provided between the housing 1 and the air inlet end of the fan assembly 2;

[0064] The smoke collecting chamber assembly 3 can be raised and lowered and connected to the accommodating chamber 100;

[0065] The sub-chamber structure 4, located in the accommodating chamber 100, includes a baffle 41, wherein one end of the baffle 41 is connected to the housing 1, the other end is rotatably connected to the smoke chamber assembly 3;

[0066] The smoke collecting chamber assembly 3 is configured as a power source for the baffle 41, and the baffle 41 is used to separate the accommodating chamber 100. The dual-fan range hood has a first working condition and a second working condition.

[0067] Among them, the present application utilizes the movement of the smoke chamber assembly 3 as the power source of the baffle 41, and drives the baffle 41 to move synchronously during the movement of the smoke chamber assembly 3, so that the baffle 41 can separate the accommodating chamber 100;

[0068] The dual-fan range hood has a first working condition and a second working condition; in the first working condition, when the dual-fan range hood is in a non-working state, the smoke collecting chamber assembly 3 moves upward into the accommodating chamber 100, and the baffles 41 are all in the upper part of the accommodating chamber 100. At this time, the smoke collecting chamber assembly 3 and the sub-cavity structure 4 are both located inside the accommodating chamber 100, realizing the design requirement of "fully hidden" the smoke collecting chamber assembly 3.

[0069] In the second working condition, when the dual-fan range hood is in operation, the smoke collecting chamber assembly 3 moves downward to the outside of the accommodating chamber 100. At this time, the accommodating chamber 100 is converted into a part of the air inlet channel, and the baffle 41 moves between the two fans 21. The baffle 41 can separate the accommodating chamber 100 to form independent air inlet parts corresponding to the two fans 21, thereby avoiding mutual interference of airflow when the two fans 21 work at the same time (but with different powers) or when they are turned on separately, thereby improving the efficiency of extracting range hoods.

[0070] In addition, the present application utilizes the movement of the smoke collecting chamber assembly 3 to drive the movement of the baffle 41, does not require an additional power source, and can automatically achieve synchronization of the movement of the smoke collecting chamber assembly 3 and the baffle 41, with a simple structure and easy operation.

[0071] In a preferred embodiment of the present invention, in the first working state, the dual-fan range hood is in a non-working state, and the smoke collecting chamber assembly 3 and the sub-cavity structure 4 are both accommodated in the accommodating chamber 100;

[0072] In the second working condition, the dual-fan range hood is in working state. When the smoke collecting chamber assembly 3 moves to the outside of the accommodating chamber 100, the chamber structure 4 separates the accommodating chamber 100 into two sub-cavities, and the two sub-cavities are respectively connected to the air inlet ends of the two fans 21.

[0073] like Figure 1-5As shown, when the dual-fan range hood is in the first working state, the smoke collecting chamber assembly 3 and the sub-cavity structure 4 are both located inside the accommodating chamber 100; when the dual-fan range hood is in the second working state, when the smoke collecting chamber assembly 3 moves to the outside of the accommodating chamber 100, the sub-cavity structure 4 divides the accommodating chamber 100 into two sub-cavities, and the two sub-cavities are respectively connected to the air inlet ends of the two fans 21, so as to avoid the two sub-cavities from being able to serve as two independent left and right air ducts. The two sub-cavities correspond to the two fans 21 respectively, so as to avoid mutual interference when the two fans are not working at the same time, thereby improving the efficiency of extracting oil smoke. This application solves the problem of mutual interference when the dual-fan range hood requires that the smoke collecting chamber 31 can be completely hidden in the box body 1, and the two fans 21 are required to operate simultaneously or at different times.

[0074] In a preferred embodiment of the present invention, the cavity structure 4 includes:

[0075] The guide assembly 42 is connected to the box body 1 and the fan assembly 2, wherein the baffle 41 is slidably connected to the guide assembly 42 for guiding the movement of the baffle 41;

[0076] The smoke collecting chamber assembly 3 and the guide assembly 42 cooperate with each other, and the baffle 41 can separate the accommodating chamber 100 into two sub-cavities.

[0077] like Figure 1-5 As shown, the upper end of the baffle 41 is slidably connected to the guide assembly 42, and the lower end is rotatably connected to the smoke collecting chamber assembly 3. In the process of the smoke collecting chamber assembly 3 driving one end of the baffle 41 to move downward, the upper end of the baffle 41 moves horizontally along the guide assembly 42, so that the baffle 41 approaches the middle of the accommodating chamber 100. When the smoke collecting chamber assembly 3 moves to the outside of the accommodating chamber 100, the baffle 41 divides the accommodating chamber 100 into two sub-cavities, and the two sub-cavities are respectively connected to the air inlet ends of the two fans 21, so as to avoid the two sub-cavities from being able to serve as two independent air ducts on the left and right. The two sub-cavities correspond to the two fans 21 respectively, so as to avoid mutual interference when the two fans are not working at the same time, thereby improving the efficiency of extracting range fumes.

[0078] In a preferred embodiment of the present invention, the guide assembly 42 includes:

[0079] The guide rail 421 is fixed to the interior of the box 1;

[0080] Guide sleeve 422, provided on the outer periphery of the guide rail 421, to slide along the guide rail 421, wherein the baffle 41 is hinged to the guide sleeve 422;

[0081] When the smoke collecting chamber assembly 3 moves, the baffle 41 can be driven to slide along the guide rail 421 .

[0082] like Figure 1-5As shown, the guide rail 421 is fixed to the upper part of the box body 1, and the guide sleeve 422 slides along the guide rail 421. Through the cooperation of the guide sleeve 422 and the guide rail 421, the baffle 41 can slide along the guide rail 421, meeting the switching requirement of the baffle 41 between the first working condition and the second working condition.

[0083] In addition, the baffle 41 and the guide sleeve 422 can be two, and the two guide sleeves 422 are both slidably connected to the guide rail 421, and the baffle 41 is connected between the guide sleeve 422 and the rotating shaft 411. The relative position relationship of the two baffles 41 is as follows: Figure 1-5 As shown, during the downward movement of the smoke collecting chamber assembly 3, the two baffles 41 on the rotating shaft 411 are driven to move downward at the same time, so that the two baffles 41 move toward the middle of the accommodating chamber 100, separating the accommodating chamber 100 into two independent sub-cavities on the left and right, ensuring that the internal air duct of the range hood has a better separation effect, and avoiding mutual interference when the two fans are not working at the same time.

[0084] In a preferred embodiment of the present invention, the smoke collecting chamber assembly 3 includes:

[0085] The smoke collecting chamber 31 includes two smoke collecting chamber channels 310, wherein the sub-cavity is connected to the fan 21 and the smoke collecting chamber channel 310;

[0086] Panel 32, connected to the smoke chamber 31;

[0087] A rotating shaft 311 is installed on one side of the smoke collecting chamber 31 close to the baffle 41, and the baffle 41 is rotatably connected to the rotating shaft 311.

[0088] like Figure 1-5 As shown, the rotating shaft 311 is located above and between the two smoke collecting chamber channels 310, and the lower part of the baffle 41 is rotatably connected to the rotating shaft 311. In this way, when the range hood is in the second operating state, the baffle 41 separates the accommodating chamber 100 into two sub-cavities, and the two sub-cavities can respectively connect to the two smoke collecting chamber channels 310. Among them, one smoke collecting chamber channel 310, one sub-cavity and one fan 21 correspond one-to-one, and the other smoke collecting chamber channel 310, another sub-cavity and another fan 21 correspond one-to-one, forming two independent air inlet channels to avoid airflow disturbance when the two fans 21 are in operation.

[0089] In a preferred embodiment of the present invention, a limit assembly is further included, and the limit assembly includes:

[0090] The limit block is provided on the guide rail 421 to limit the motion range of the guide sleeve 422.

[0091] like Figure 1-5 As shown, the limit block limits the movement range of the baffle 41 by limiting the guide sleeve 422, thereby reducing unnecessary movement of the baffle 41 and achieving energy saving and consumption reduction effects.

[0092] In a preferred embodiment of the present invention, in the first working state, the baffle 41 and the guide rail 421 are parallel or non-perpendicular.

[0093] The included angle between the plane where the baffle 41 is located and the axis of the guide rail 421 is θ1, where 0°<θ1<45°.

[0094] like Figure 1-5 As shown, the dual-fan range hood is in a non-operating state, with the smoke collection chamber assembly 3 and baffle 41 located within the accommodating chamber 100. The plane of the baffle 41 is parallel to or angled with the guide rail 421. When 0°<θ1<45°, this ensures that the range hood's height dimension is not excessive while leaving sufficient space for the smoke collection chamber 31 to collapse. When two baffles 41 are provided, the angle between them is preferably greater than 90° and less than 180°. This ensures the normal movement of the telescopic mechanism and effectively prevents the chamber structure from becoming stuck.

[0095] In a preferred embodiment of the present invention, in the second working condition, the angle between the plane where the baffle 41 is located and the axis of the guide rail 421 is θ2, where 0°<θ2<20°.

[0096] like Figure 1-5 As shown, the dual-fan range hood is in working condition, the smoke collection chamber assembly 3 is located outside the accommodating chamber 100, and the baffle 41 can be brought to the middle of the accommodating chamber 100 to divide the accommodating chamber 100 into two sub-cavities, which can avoid mutual interference between the two fans 21 when they are not working at the same time.

[0097] In addition, the included angle between the baffle 41 and the guide rail 421 is θ2. When 0°<θ2<20°, the baffle 41 has a good separation effect, ensuring that the two sub-cavities in the accommodating cavity 100 do not interfere with each other.

[0098] like Figures 1 to 6 As shown, Figure 1 A schematic diagram of a dual-fan range hood provided by the present invention is shown. Figure 2 An exploded view of the dual-fan range hood provided by the present invention is shown. Figure 3 It shows a schematic diagram of the connection between the smoke collecting chamber assembly 3 and the sub-chamber structure 4 provided by the present invention. Figure 4 It is a schematic diagram showing the connection between the chamber structure 4, the smoke collecting chamber assembly 3 and the dual-fan range hood in the first working condition according to an exemplary embodiment. Figure 5 The figure shows a connection diagram of the chamber structure 4, the smoke collecting chamber assembly 3 and the dual-fan range hood in the second working condition provided by the present invention. Figure 6 The working diagram of the dual-fan range hood provided by the present invention is shown.

[0099] A dual-fan range hood control method according to an embodiment of the present invention includes:

[0100] Turn on the dual-fan range hood. At this time, the smoke collecting chamber assembly 3 is located at the smoke collecting chamber initial position in the accommodating chamber 100, and the baffle 41 is at the baffle initial position.

[0101] After the dual-fan range hood is turned on, the smoke collecting chamber assembly 3 is controlled to start moving downward, and the smoke collecting chamber assembly 3 drives the baffle 41 to move synchronously;

[0102] When the smoke collecting chamber assembly 3 moves to the first smoke collecting chamber preset position outside the accommodating chamber 100, the baffle 41 moves to the first baffle preset position and divides the accommodating chamber 100 into two sub-cavities;

[0103] When the smoke collecting chamber assembly 3 moves to the first smoke collecting chamber preset position, the fan 21 is started to discharge the smoke;

[0104] After cooking is finished, turn off the dual-fan range hood and fan 21;

[0105] When the fan 21 is turned off, the smoke collecting chamber assembly 3 is controlled to move upward to the smoke collecting chamber initial position, and the baffle 41 returns to the baffle initial position.

[0106] Among them, in the first working condition, when the dual-fan range hood is in a non-working state, the smoke collecting chamber assembly 3 and the sub-cavity structure 4 are both located inside the accommodating chamber 100. This application refers to the position of the baffle 11 at this time as the baffle initial position, and the position of the smoke collecting chamber assembly 3 when the range hood is in a non-working state as the smoke collecting chamber initial position.

[0107] When the dual-fan range hood is in working condition, the smoke collection chamber assembly 3 can also start to move downward a certain time after the range hood is turned on or at the same time as the range hood is turned on, and drive the lower end of the baffle 41 to move downward synchronously. When the smoke collection chamber assembly 3 is completely moved to the outside of the box body 1, the smoke collection chamber assembly 3 is located at the first smoke collection chamber preset position, and the baffle 41 is at the first baffle preset position; since the smoke collection chamber assembly 3 is located outside the accommodating chamber 100, the accommodating chamber 100 is converted into an air inlet channel between the smoke collection chamber 31 and the fan assembly 2. At this time, the baffle 41 moves to the middle of the accommodating chamber 100 and between the two fans 21, so that the baffle 41 can separate the accommodating chamber 100 into two sub-cavities. The two sub-cavities can serve as two independent air ducts on the left and right, and the two sub-cavities correspond to the two fans 21 respectively. This can avoid mutual interference when the two fans are not working at the same time, thereby improving the efficiency of extracting range hoods.

[0108] When the dual-fan range hood is turned off, the smoke collecting chamber assembly 3 moves upward into the accommodating chamber 100. At the same time, during the upward movement of the smoke collecting chamber assembly 3, the baffle 41 is pushed upward synchronously with the smoke collecting chamber assembly 3, so that the smoke collecting chamber assembly 3 and the baffle 41 are both stored in the accommodating chamber 100, without affecting the hiding effect of the smoke collecting chamber assembly 3.

[0109] The present application utilizes the movement of the smoke collecting chamber assembly 3 to automatically drive the baffle 41 to move synchronously, making full use of the space of the accommodating chamber 100. When the dual-fan range hood is in working condition, the accommodating chamber 100 can be separated into two independent air ducts on the left and right, which can avoid mutual interference when the two fans 21 are not working at the same time, thereby improving the efficiency of extracting oil smoke; when the range hood is in non-working condition, the smoke collecting chamber assembly 3 automatically drives the baffle 41 to move synchronously during the process of automatically hiding in the accommodating chamber 100, and finally when the smoke collecting chamber 31 can be completely stored in the accommodating chamber 100, the baffle 41 returns to its initial position, that is, the present application can make the smoke collecting chamber 31 completely hidden in the box body 1, solving the problem of mutual interference when the two fans 21 are running simultaneously or at different times in the dual-fan range hood.

[0110] In a preferred embodiment of the present invention, it also includes:

[0111] Before starting the fan 21, open the panel 32;

[0112] After turning off the fan 21 , the panel 32 is closed first, and then the movement of the smoke collecting chamber assembly 3 drives the baffle 41 to move synchronously, so that the smoke collecting chamber assembly 3 and the baffle 41 are both accommodated in the accommodating chamber 100 .

[0113] like Figure 1-6 As shown, when the dual-fan range hood is in working condition, before starting the fan 21, it is necessary to open the panel 32 so that the oil smoke in the kitchen enters the smoke collecting chamber 31 from the panel 32 and is then discharged to the outside by the fan 21; specifically, the panel 32 can be opened when the smoke collecting chamber assembly 3 moves to the first smoke collecting chamber preset position; the panel 32 can also be opened when the smoke collecting chamber assembly 3 moves to a specific position between the initial position of the smoke collecting chamber and the first smoke collecting chamber preset position, and again the present invention does not impose any restrictions.

[0114] When the dual-fan range hood is in a non-operating state, the fan 21 is turned off, and then the panel 32 is closed, so that the smoke collection chamber assembly 3 drives the baffle 41 to move synchronously and be stored in the accommodating chamber 100. The panel 32 can be completely closed or closed at a certain angle, and then the smoke collection chamber 31 moves upward to avoid affecting the movement of the smoke collection chamber 31 while protecting the panel 32.

[0115] In the embodiments of the present invention, the term "plurality" refers to two or more, unless otherwise specified. Terms such as "installed," "connected," and "fixed" should be interpreted broadly. For example, "connected" can refer to a fixed connection, a detachable connection, or an integral connection. Those skilled in the art will understand the specific meanings of these terms in the embodiments of the present invention based on specific circumstances.

[0116] In the description of the embodiments of the present invention, it should be understood that the terms "upper" and "lower" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the embodiments of the present invention.

[0117] Throughout this specification, terms such as "one embodiment" and "a preferred embodiment" mean that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0118] The above is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations are possible in the present invention. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A dual-fan range hood, characterized in that: include: Box (1); A fan assembly (2) is disposed inside the housing (1) and includes two fans (21), wherein a receiving cavity (100) is provided between the housing (1) and the air inlet end of the fan assembly (2); A smoke collecting chamber assembly (3) is liftably connected to the accommodating chamber (100); A sub-cavity structure (4) is located in the accommodating cavity (100) and includes a baffle (41), wherein one end of the baffle (41) is connected to the box (1) and the other end is rotatably connected to the smoke collecting cavity assembly (3); The smoke collecting chamber assembly (3) is configured as a power source for the baffle (41), the baffle (41) is used to separate the accommodating chamber (100), and the dual-fan range hood has a first working condition and a second working condition; In the first working condition, the dual-fan range hood is in a non-operating state, and the smoke collecting chamber assembly (3) and the chamber structure (4) are both accommodated inside the accommodating chamber (100); In the second working condition, the dual-fan range hood is in a working state, and when the smoke collecting chamber assembly (3) moves to the outside of the accommodating chamber (100), the chamber dividing structure (4) divides the accommodating chamber (100) into two sub-cavities, and the two sub-cavities are respectively connected to the air inlet ends of the two fans (21); The chamber structure (4) comprises: A guide assembly (42) is connected to the box (1) and the fan assembly (2), wherein the baffle (41) is slidably connected to the guide assembly (42) for guiding the movement of the baffle (41); Wherein, by the cooperation between the smoke collecting chamber assembly (3) and the guide assembly (42), the baffle (41) can separate the accommodating chamber (100) into two sub-cavities; The guide assembly (42) comprises: A guide rail (421) is fixedly connected to the interior of the box (1); A guide sleeve (422) is sleeved on the outer periphery of the guide rail (421) to slide along the guide rail (421), wherein the baffle (41) is hinged to the guide sleeve (422); When the smoke collecting chamber assembly (3) moves, the baffle (41) can be driven to slide along the guide rail (421).

2. The dual-fan range hood according to claim 1, characterized in that: The smoke collecting chamber assembly (3) comprises: A smoke collecting chamber (31) comprising two smoke collecting chamber channels (310), wherein the sub-cavity is connected to the fan (21) and the smoke collecting chamber channels (310); A panel (32) connected to the smoke collecting chamber (31); A rotating shaft (311) is installed on one side of the smoke collecting chamber (31) close to the baffle (41), and the baffle (41) is rotatably connected to the rotating shaft (311).

3. The dual-fan range hood according to claim 2, characterized in that: It also includes a limiting component, which includes: A limit block is provided on the guide rail (421) to limit the range of motion of the guide sleeve (422).

4. The dual-fan range hood according to claim 2, characterized in that: In the first working condition, the baffle (41) and the guide rail (421) are parallel or non-perpendicular.

5. The dual-fan range hood according to claim 4, characterized in that: The included angle between the plane where the baffle (41) is located and the axis of the guide rail (421) is θ1, wherein 0°<θ1<45°.

6. The dual-fan range hood according to claim 2, characterized in that: In the second working condition, the angle between the plane where the baffle (41) is located and the axis of the guide rail (421) is θ2, where 0°<θ2<20°.

7. A control method for a dual-fan range hood according to any one of claims 2 to 6, characterized in that: include: The dual-fan range hood is turned on, and the smoke collecting chamber assembly (3) is located at the smoke collecting chamber initial position in the accommodating chamber (100), and the baffle (41) is at the baffle initial position; After the dual-fan range hood is turned on, the smoke collecting chamber component (3) is controlled to start moving downward, and the smoke collecting chamber component (3) drives the baffle (41) to move synchronously; When the smoke collecting chamber assembly (3) moves to a first smoke collecting chamber preset position outside the accommodating chamber (100), the baffle (41) moves to the first baffle preset position and divides the accommodating chamber (100) into two sub-cavities; When the smoke collecting chamber assembly (3) moves to a first smoke collecting chamber preset position, the fan (21) is started to discharge the oil smoke; After cooking is finished, turning off the dual-fan range hood and the fan (21); When the fan (21) is turned off, the smoke collecting chamber assembly (3) is controlled to move upward to the smoke collecting chamber initial position, and the baffle (41) is restored to the baffle initial position.

8. The control method of a dual-fan range hood according to claim 7, characterized in that: Also includes: Before starting the fan (21), open the panel (32); After the fan (21) is turned off, the panel (32) is closed first, and then the movement of the smoke collecting chamber assembly (3) drives the baffle (41) to move, so that the smoke collecting chamber assembly (3) and the baffle (41) are both accommodated in the accommodating chamber (100).

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