Range hood, method of cleaning a range hood, control device for a range hood

Abstract

The present application relates to the technical field of kitchen appliances, and provides an extractor hood, a cleaning method of the extractor hood, a control device of the extractor hood, an electronic device and a non-transitory computer readable storage medium. The extractor hood comprises an impeller, a filter screen and a cleaning component, the cleaning component is provided with a first outlet and a second outlet, the first outlet is directed towards the impeller and is adapted to provide the impeller with a cleaning medium, and the second outlet is directed towards the filter screen and is adapted to provide the filter screen with the cleaning medium. The extractor hood provided by the present application focuses on solving the problem of small cleaning range in the industry, expands the cleaning range from the impeller to the filter screen, expands the automatic cleaning range of the extractor hood, improves the user experience, and has a simple structure.

Description

Technical Field

[0001] This invention relates to the field of kitchen appliance technology, and more particularly to range hoods, cleaning methods for range hoods, control devices for range hoods, electronic devices, and non-transitory computer-readable storage media. Background Technology

[0002] With prolonged use, range hoods accumulate more and more grease inside. This grease buildup leads to a decline in the range hood's performance and makes it prone to bacterial growth, necessitating regular cleaning. Current cleaning devices for range hoods primarily target the impeller, resulting in relatively simple components being cleaned. Furthermore, the complex structure of these cleaning devices presents challenges in production and manufacturing. Summary of the Invention

[0003] This invention aims to at least solve one of the technical problems existing in related technologies. To this end, this invention proposes a range hood that focuses on solving the problem of a small cleaning range in the industry, extending the cleaning range from the impeller to the filter screen, improving the user experience, and simplifying the structure.

[0004] The present invention also proposes a cleaning method for range hoods.

[0005] The present invention also proposes a control device for a range hood.

[0006] The present invention also proposes an electronic device.

[0007] The present invention also proposes a non-transitory computer-readable storage medium.

[0008] A first aspect of the present invention provides a range hood, comprising:

[0009] Impeller and filter screen;

[0010] The system also includes a cleaning component having a first outlet and a second outlet, the first outlet being directed toward the impeller and adapted to provide a cleaning medium to the impeller, and the second outlet being directed toward the filter screen and adapted to provide a cleaning medium to the filter screen.

[0011] According to a first aspect of the present invention, a range hood includes an impeller, a filter, and a cleaning component. The cleaning component includes a first outlet and a second outlet, with the first outlet facing the impeller and the second outlet facing the filter. This allows the cleaning component to be used for cleaning both the impeller and the filter, effectively addressing the problem of limited cleaning range and insufficient user experience in the industry. By extending the cleaning range from the impeller to the filter, the range of automatic cleaning of the range hood is expanded, improving the user experience and simplifying the structure.

[0012] According to one embodiment of the present invention, the cleaning component includes a cleaning branch and a supply assembly, the cleaning branch having a first outlet and a second outlet, the supply assembly having a liquid outlet and a steam outlet, the liquid outlet being adapted to communicate with at least one of the first outlet and the second outlet, and the steam outlet being adapted to communicate with at least one of the first outlet and the second outlet.

[0013] According to one embodiment of the present invention, the first outlet includes a first steam port and a first liquid port, the first liquid port being adapted to communicate with the liquid outlet, the first steam port being adapted to communicate with the steam outlet, the first steam port being disposed opposite to the first liquid port, and the position of the first steam port being higher than that of the first liquid port.

[0014] According to one embodiment of the present invention, the supply assembly includes a medium container and a heater for heating the cleaning medium;

[0015] The inlet end of the heater is adapted to communicate with the outlet end of the medium container, and the outlet end of the heater is connected to the inlet end of the first valve body. The outlet end of the first valve body forms both the liquid outlet and the steam outlet.

[0016] Alternatively, the outlet end of the medium container is connected to the inlet end of the second valve body, one outlet of the second valve body is configured as the liquid outlet, and the other outlet of the second valve body is adapted to communicate with the inlet end of the heater, the outlet of the heater is configured as the steam outlet.

[0017] According to one embodiment of the present invention, the cleaning branch is provided with a first nozzle that forms the first outlet, the first nozzle being adapted to communicate with the liquid outlet, the first nozzle being an atomizing nozzle having a first cone angle, and the spraying area of ​​the first nozzle covering a portion of the axial area of ​​the impeller.

[0018] And / or, the cleaning branch is provided with a second nozzle that forms the second outlet, the second nozzle being adapted to communicate with the liquid outlet, the second nozzle being an atomizing nozzle having a second cone angle, and the spray area of ​​the second nozzle covering the filter screen.

[0019] According to one embodiment of the present invention, the cleaning component further includes a support assembly, a first nozzle forming the first outlet, and a second nozzle forming the second outlet, the first nozzle and the second nozzle being connected to the support assembly, and at least one of the first nozzle and the second nozzle being adapted for rotational adjustment and / or kinetic adjustment.

[0020] According to one embodiment of the present invention, the support assembly includes a frame and a support portion adapted to rotate relative to the frame, the support portion being configured with a groove or a hole, the support portion being adapted to connect the first nozzle or the second nozzle.

[0021] According to one embodiment of the present invention, the cleaning component further includes a housing and a support plate fixed to the housing, the cleaning component includes a supply assembly for providing a cleaning medium, the impeller is located inside a volute, and the volute and the supply assembly are located on opposite sides of the support plate.

[0022] A second aspect of the present invention provides a method for cleaning a range hood, comprising:

[0023] The impeller and filter screen are identified as the cleaning targets;

[0024] The cleaning components are controlled to supply cleaning medium to the cleaning target, and the impeller is controlled to rotate so that the cleaning medium can fully act on the cleaning target.

[0025] According to an embodiment of the present invention, the step of controlling the cleaning component to supply cleaning medium to the cleaning target and controlling the impeller to rotate so that the cleaning medium fully acts on the cleaning target includes:

[0026] The cleaning components are controlled to supply the steam-state cleaning medium to the cleaning target, and the impeller rotation is controlled.

[0027] The cleaning components are controlled to supply liquid cleaning medium to the cleaning target, and the impeller is controlled to rotate.

[0028] Until the cleanliness level of the cleaning target reaches the first preset condition.

[0029] According to one embodiment of the present invention, before the step of controlling the cleaning component to supply the liquid cleaning medium to the cleaning target and controlling the impeller rotation,

[0030] To determine the degree of softening of the stains on the surface of the target to be cleaned;

[0031] If the softening degree is determined to meet the second preset condition, the steps of controlling the cleaning component to supply liquid cleaning medium to the cleaning target and controlling the impeller to rotate are executed.

[0032] According to one embodiment of the present invention, after the step of obtaining the softening degree of the stains on the target surface for cleaning,

[0033] It is determined that the degree of softening has not reached the second preset condition;

[0034] The process involves repeatedly supplying the cleaning target with a vapor-like cleaning medium by the control cleaning component until the softening degree reaches a second preset condition. Then, the process involves supplying the cleaning target with a liquid cleaning medium by the control cleaning component and controlling the impeller to rotate. The interval between two consecutive steps of supplying the cleaning target with a vapor-like cleaning medium and controlling the impeller to rotate is a preset time.

[0035] According to one embodiment of the present invention, the step of controlling the cleaning component to supply cleaning medium to the cleaning target and controlling the impeller to rotate so that the cleaning medium can fully act on the cleaning target;

[0036] Control the impeller to rotate continuously or intermittently.

[0037] A third aspect of the present invention provides a cleaning device for a range hood, comprising:

[0038] The determination module is used to identify the impeller and filter screen as cleaning targets.

[0039] The control module is used to control the cleaning components to supply cleaning medium to the cleaning target and to control the impeller rotation so that the cleaning medium can fully act on the cleaning target.

[0040] A fourth aspect of the present invention provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the steps of the cleaning method for a range hood as described above.

[0041] A fifth aspect of the present invention provides a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of the cleaning method for a range hood as described above.

[0042] The above-described one or more technical solutions in the embodiments of the present invention have at least one of the following technical effects:

[0043] The range hood of this invention includes an impeller, a filter, and a cleaning component. The cleaning component includes a first outlet and a second outlet. The first outlet faces the impeller, and the second outlet faces the filter. It can clean the impeller and the filter, focusing on solving the problem of small cleaning range and insufficient user experience in the industry. It expands the automatic cleaning range of the range hood from the impeller to the filter, improves the user experience, and has a simple structure.

[0044] Furthermore, in the range hood cleaning method of this embodiment of the invention, the impeller and filter are taken as cleaning targets. The cleaning components are controlled to supply cleaning medium to the cleaning targets, and the impeller is controlled to rotate so that the cleaning medium can fully act on the cleaning targets, thereby meeting the needs of cleaning the impeller and filter of the range hood.

[0045] Furthermore, the range hood cleaning method of this embodiment combines a steam-state cleaning medium with a liquid-state cleaning medium. The steam-state cleaning medium can fully soften the oil stains on the surface of the target to be cleaned, while the liquid-state cleaning medium can fully rinse the surface of the target to remove the oil stains, resulting in a better cleaning effect.

[0046] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0047] To more clearly illustrate the technical solutions in the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0048] Figure 1 This is a schematic diagram of the structure of the range hood provided in an embodiment of the present invention;

[0049] Figure 2 yes Figure 1 A magnified schematic diagram of a portion of part A in the middle;

[0050] Figure 3 This is a side view of the range hood provided in an embodiment of the present invention;

[0051] Figure 4 This is a structural schematic diagram of the connection state between the first cleaning branch and the support component of the range hood provided in an embodiment of the present invention;

[0052] Figure 5 This is a schematic diagram of the structure of the support assembly of the range hood provided in an embodiment of the present invention;

[0053] Figure 6 This is a structural schematic diagram of the disassembled state of the support component of the range hood provided in an embodiment of the present invention;

[0054] Figure 7 This is a flowchart illustrating the cleaning method for a range hood provided in an embodiment of the present invention;

[0055] Figure 8 This is a schematic diagram of the structure of the electronic device provided in an embodiment of the present invention.

[0056] Figure label:

[0057] 100. Impeller;

[0058] 200. Filter screen;

[0059] 300. Cleaning component; 310. First outlet; 320. Second outlet; 330. First cleaning branch; 331. First nozzle; 332. Second nozzle; 340. Second cleaning branch; 350. Supply assembly; 351. Medium container; 352. Feed pipe; 353. Liquid outlet; 354. Steam outlet; 360. Support assembly; 361. Frame; 3611. Reinforcing part; 3612. Mounting part; 362. First support part; 363. Second support part; 370. First valve body; 380. Third valve body;

[0060] 400. Casing;

[0061] 500, support plate;

[0062] 600. Volute;

[0063] 810, Processor; 820, Communication interface; 830, Memory; 840, Communication bus. Detailed Implementation

[0064] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of the invention.

[0065] In the description of the embodiments of the present invention, it should be noted that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0066] In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of the present invention based on the specific circumstances.

[0067] In embodiments of the present invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0068] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above 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 one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0069] One embodiment of the present invention, in conjunction with Figures 1 to 6 As shown, a range hood is provided, including: an impeller 100, a filter screen 200 and a cleaning component 300. The cleaning component 300 is provided with a first outlet 310 and a second outlet 320. The first outlet 310 faces the impeller 100 and is adapted to provide a cleaning medium to the impeller 100. The second outlet 320 faces the filter screen 200 and is adapted to provide a cleaning medium to the filter screen 200.

[0070] The cleaning component 300 has the dual functions of cleaning the impeller 100 and the filter 200, which can thoroughly clean the range hood, optimize the internal hygiene conditions of the range hood, and improve the safety of the range hood.

[0071] The cleaning media provided by the first outlet 310 and the second outlet 320 can be the same or different. Depending on the different structures and positions of the impeller 100 and the filter screen 200, different states of cleaning media can be provided to the impeller 100 and the filter screen 200. For example, the first outlet 310 provides a steam-like cleaning media, and the second outlet 320 provides a foam-like cleaning media. In addition, the type of cleaning media can be selected as needed. For example, the cleaning media provided by the first outlet 310 is a cleaning agent, and the cleaning media provided by the second outlet 320 is water.

[0072] The range hood of this invention includes a cleaning component 300 with two outlets. The cleaning component 300 can clean the impeller 100 and the filter 200, focusing on solving the problems of small cleaning range and insufficient user experience in the industry. It expands the automatic cleaning range of the range hood from the impeller 100 to the filter 200, improves the user experience, and has a simple structure.

[0073] Understandably, reference Figure 1 and Figure 3 As shown, the cleaning component 300 includes a cleaning branch and a supply assembly 350 adapted to provide a cleaning medium to the cleaning branch. The supply assembly 350 can be used to provide a cleaning medium, the composition of which can be water, detergent, or a mixture of water and detergent. The state of the cleaning medium can be liquid, gas, foam, or other states. Supply assemblies 350 with different functions are provided according to the cleaning medium required by the cleaning branch.

[0074] Understandably, the supply assembly 350 is provided with a liquid outlet 353 and a steam outlet 354, meaning that the supply assembly 350 is suitable for supplying cleaning media in liquid and steam states, providing different options for the cleaning process. It also allows for targeted cleaning of the impeller 100 and filter screen 200 using cleaning media in different states. At least one of the first outlet 310 and the second outlet 320 is suitable for communication with the liquid outlet 353, and at least one of the first outlet 310 and the second outlet 320 is suitable for communication with the steam outlet 354. The supply assembly 350 can provide cleaning media in different states, making the cleaning methods for the impeller 100 and filter screen 200 more diverse.

[0075] It is understood that the cleaning branch includes at least one of a first cleaning branch and a second cleaning branch. The first cleaning branch 330 may be equipped with a first outlet 310, and the second cleaning branch 340 may be equipped with a second outlet 320; alternatively, the first cleaning branch 330 may be equipped with both a first outlet 310 and a second outlet 320, and the second cleaning branch 340 may also be equipped with both a first outlet 310 and a second outlet 320. The two branches work together to clean the impeller 100 and the filter 200. The inclusion of two cleaning branches allows for greater structural diversity in the cleaning component 300, broadening the application range of the range hood.

[0076] Of course, the cleaning component 300 can also be configured with only the first cleaning branch 330 or only the second cleaning branch 340, with one branch providing two outlets (first outlet 310 and second outlet 320), simplifying the structure. The number of first cleaning branches 330 and second cleaning branches 340 is unlimited; one or more can be provided, depending on the needs. Generally, one first cleaning branch 330 and one second cleaning branch 340 are provided to reduce the number of pipes inside the range hood and simplify its internal structure.

[0077] It should be noted that, under normal circumstances, the first cleaning branch 330 uses a liquid cleaning medium and the second cleaning branch 340 uses a vapor cleaning medium. However, it is not excluded that the first cleaning branch 330 uses a vapor cleaning medium and the second cleaning branch 340 uses a liquid cleaning medium.

[0078] The first cleaning branch 330 is provided with at least one of a first outlet 310 and a second outlet 320, meaning that the first cleaning branch 330 can use a liquid cleaning medium to clean at least one of the impeller 100 and the filter screen 200. The second cleaning branch 340 is provided with at least one of a first outlet 310 and a second outlet 320, and the second cleaning branch 340 can use a steam-state cleaning medium to clean at least one of the impeller 100 and the filter screen 200.

[0079] When the first cleaning branch 330 is provided with a first outlet 310, the impeller 100 is cleaned by a liquid cleaning medium, and the second cleaning branch can be provided with a second outlet, where the filter screen 200 is cleaned by a steam cleaning medium; alternatively, the second cleaning branch can be provided with both a first outlet and a second outlet, where both the impeller 100 and the filter screen 200 can be cleaned by a steam cleaning medium. When the first cleaning branch 330 is provided with a second outlet 320, the second cleaning branch 340 can be provided with a first outlet 310; alternatively, the second cleaning branch can be provided with both a first outlet and a second outlet. When the first cleaning branch 330 is provided with a first outlet 310 and a second outlet 320, the second cleaning branch 340 can be provided with either a first outlet 310, a second outlet, or both. The outlet configurations of the first cleaning branch 330 and the second cleaning branch 340 are diverse and applicable to various cleaning modes; the specific configuration can be selected according to the required conditions.

[0080] refer to Figure 1 and Figure 3 As shown, the first cleaning branch 330 is provided with a first outlet 310 and a second outlet 320, and the second cleaning branch 340 is provided with a first outlet 310. The impeller 100 can be cleaned with both liquid and steam cleaning media, which can thoroughly clean the impeller 100. The filter screen 200 can be cleaned with liquid cleaning media, so that the filter screen 200 is thoroughly rinsed. The internal cleaning effect of the range hood is better by using a combination of liquid and steam.

[0081] Understandably, reference Figures 1 to 3 As shown, the first outlet 310 includes a first steam port and a first liquid port. That is, the cleaning component 300 can cooperate with the first steam port and the first liquid port to achieve a combination of steam cleaning and liquid cleaning, thus thoroughly cleaning the impeller 100. The first liquid port can be set in the first cleaning branch 330, and the first steam port can be set in the second cleaning branch 340.

[0082] Understandably, the first liquid port is suitable for communication with the liquid outlet, and the first steam port is suitable for communication with the steam outlet. The first steam port and the first liquid port are positioned opposite each other, with the first steam port being higher than the first liquid port. Both the first liquid port and the first steam port face the impeller 100, with the first steam port facing upwards and the first liquid port facing downwards. The steam discharged from the first steam port flows upwards to soften the oil stains on the surface of the impeller 100. During the steam discharge process, the impeller 100 is controlled to rotate so that the steam acts on the entire surface of the impeller 100. The upward orientation of the first steam port helps to shorten the distance between the first steam port and the surface of the impeller 100, reducing heat loss during steam flow and facilitating the thorough softening of oil stains on the surface of the impeller 100. The downward orientation of the first liquid port allows the liquid cleaning medium to fall onto the surface of the impeller 100 under the influence of gravity, thus cleaning the impeller 100.

[0083] refer to Figures 1 to 3 As shown, when the cleaning branch includes a first cleaning branch 330 and a second cleaning branch 340, the first cleaning branch 330 is provided with a first liquid port, and the second cleaning branch 340 is provided with a first steam port.

[0084] refer to Figure 1 and Figure 2 As shown, the second cleaning branch 340 is provided with a third nozzle. The third nozzle has a tubular structure. The third nozzle has multiple first outlets 310 on the side near the impeller 100. The first outlet 310 is a first steam port for passing steam. The first outlet 310 is a round hole opened in the third nozzle. Steam is discharged upward through the round hole of the third nozzle to soften the oil stains on the surface of the impeller 100 above it.

[0085] Combination Figures 1 to 3 As shown, the first cleaning branch 330 is provided with a first nozzle 331. The outlet of the first nozzle 331 is a first liquid port. The opening of the first nozzle 331 faces downward to supply cleaning medium to the impeller 100 below it.

[0086] Understandably, in combination Figures 1 to 5 As shown, the first outlet 310 includes a first liquid inlet located in the first cleaning branch 330, and the second outlet 320 includes a second liquid inlet located in the first cleaning branch 330. The first cleaning branch 330 is provided with a first nozzle 331 that forms the first liquid inlet and a second nozzle 332 that forms the second liquid inlet. The opening of the first nozzle 331 faces the impeller 100 below it, and the opening of the second nozzle 332 faces the filter screen 200 below it.

[0087] The first cleaning branch 330 is connected to a third valve body 380. The two outlets of the third valve body 380 are respectively adapted to connect to the first nozzle 331 and the second nozzle 332. The cleaning medium in the first nozzle 331 and the second nozzle 332 is diverted through the third valve body 380, which helps to simplify the structure of the first cleaning branch 330, and the valve body is convenient for accessories and has low cost. The third valve body 380 is fixed to the inner wall of the housing 400.

[0088] Understandably, reference Figure 1 As shown, the supply assembly 350 includes a medium container 351 and a heater (not shown) for heating the cleaning medium. The inlet end of the heater is adapted to be connected to the outlet end of the medium container 351. The cleaning medium in the medium container 351 is heated by the heater. The heated cleaning medium can promote the softening of oil stains and improve the cleaning effect.

[0089] The location of the heater is not shown in the diagram. The heater can be located inside or outside the medium container 351. The heater can be a heating tube, heating wire, or a steam generator integrated into the medium container 351. When the heater is located outside the medium container 351, the cleaning medium inside the medium container 351 can be introduced into the heater. In this case, the heater must have a heating chamber into which the cleaning medium is introduced. It should be noted that the heater can heat the cleaning medium to a preset temperature, such as 40℃ or 50℃. The heater can also heat the cleaning medium to a steam state, using the heat of the steam to promote the softening of oil stains.

[0090] Understandably, the outlet end of the heater is connected to the inlet end of the first valve body 370, and the outlet end of the first valve body 370 is configured with a liquid outlet 353 and a steam outlet 354. When the heater is started, it can provide heated liquid cleaning medium through the liquid outlet 353 of the first valve body 370; when the heater is started, it can also provide steam cleaning medium through the steam outlet 354 of the first valve body 370; when the heater is turned off, liquid cleaning medium can be provided through either the liquid outlet 353 or the steam outlet 354 of the first valve body 370.

[0091] The relative positions of the heater and the medium container 351 are not limited to the above embodiments, and another configuration can also be used (not shown in the figure): the outlet end of the medium container is connected to the inlet end of the second valve body, one outlet of the second valve body is configured as a liquid outlet, and the other outlet of the second valve body is adapted to communicate with the inlet end of the heater, the outlet of the heater is configured as a steam outlet. The cleaning medium in the medium container is directly introduced into the first cleaning branch through the second valve body. After being heated by the heater, the cleaning medium is introduced into the second cleaning branch. At this time, the heater can heat the cleaning medium into hot liquid or steam.

[0092] In the above embodiments, depending on the characteristics of the cleaning medium, the orifice diameter, material, and other parameters of the pipes connecting the liquid outlet 353 and the steam outlet 354 can be different to meet the transportation requirements of the cleaning medium in both liquid and steam states. Both the first valve body 370 and the second valve body can be directional valves, which are simple in structure and low in cost. The supply assembly 350 can be equipped with either the first valve body 370 or the second valve body, or it can be equipped with both simultaneously, allowing the cleaning medium to have multiple flow paths.

[0093] Understandably, reference Figure 1 and Figure 3 As shown, the cleaning branch is equipped with a first nozzle 331 that forms a first outlet 310. When the cleaning branch includes a first cleaning branch 330, the first cleaning branch 330 is equipped with the first nozzle 331. The spraying area of ​​the first nozzle 331 covers a portion of the axial area of ​​the impeller 100. With the rotation of the impeller 100, the spraying range of the first nozzle 331 can cover the entire impeller 100, thoroughly cleaning the impeller 100 and avoiding cleaning dead zones. The first nozzle 331 is an atomizing nozzle with a first cone angle. The spraying area of ​​the first nozzle 331 is related to the projected area of ​​the first cone angle. After the cleaning medium is atomized, it helps to distribute the cleaning medium evenly, reduces the impact on components, and helps maintain the structural stability of each component.

[0094] Understandably, the cleaning branch is equipped with a second nozzle 332 that forms a second outlet 320. When the cleaning branch includes a first cleaning branch 330, the first cleaning branch 330 is equipped with the second nozzle 332. The spray area of ​​the second nozzle 332 covers the filter screen 200 to thoroughly clean the filter screen 200. The second nozzle 332 can be an atomizing nozzle with a second cone angle. The spray area of ​​the second nozzle 332 is related to the projected area of ​​the second cone angle. After the cleaning medium is atomized, it helps to distribute the cleaning medium evenly.

[0095] In combination with the above, the spray area of ​​the first nozzle 331 covers a portion of the axial area of ​​the impeller 100, and the spray area of ​​the second nozzle 332 covers the filter screen 200. They can work together to ensure that the impeller 100 and the filter screen 200 are thoroughly cleaned.

[0096] Understandably, reference Figures 1 to 6 As shown, the cleaning component 300 also includes a support assembly 360, a first nozzle 331 forming a first outlet 310, and a second nozzle 332 forming a second outlet 320. The first nozzle 331 and the second nozzle 332 are connected to the support assembly 360. The first nozzle 331 and the second nozzle 332 are supported and fixed by a support assembly 360. The installation method of the two nozzles is simple and helps to simplify the internal structure of the range hood.

[0097] At least one of the first nozzle 331 and the second nozzle 332 is adaptable to rotational adjustment. The angle at which the cleaning medium can be sprayed by at least one of the first nozzle 331 and the second nozzle 332 is adjustable to suit different models of range hoods. The installation angle of the corresponding nozzle can be pre-adjusted to accommodate the different shapes of the impeller 100 and the filter 200, which helps to enhance the cleaning effect.

[0098] refer to Figure 5 and Figure 6 As shown, the example is that both the first nozzle 331 and the second nozzle 332 can be rotated and adjusted.

[0099] Understandably, the support assembly 360 includes a frame 361 and a support portion adapted to rotate relative to the frame 361. The support portion is configured with a groove or a hole and is adapted to connect a first nozzle 331 or a second nozzle 332. The first nozzle 331 and the second nozzle 332 are rotatably adjustable by being connected to the support portion.

[0100] The support component includes a first support part 362, which has a groove in which the first nozzle 331 is engaged. The first support part 362 also has a first connecting hole, and the frame 361 has a first mounting hole. The first support part 362 and the frame 361 are connected by bolts passing through the first connecting hole and the second mounting hole. After the installation angle of the first nozzle 331 is determined, it is tightened using bolts and nuts. Loosening the nuts allows for readjustment of the angle of the first nozzle 331. The angle adjustment of the first nozzle 331 is simple. The first nozzle 331 can be used to clean impellers 100 of different specifications, and the first nozzle 331 can be mounted on different models of range hoods via the support assembly 360.

[0101] The support unit also includes a second support unit 363, which has a hole into which a second nozzle 332 is inserted. One end of the second nozzle 332 abuts against the second support unit 363, and the other end of the second nozzle 332 has a threaded section. The other end of the second nozzle 332 passes through the second support unit 363 and is fastened to the second support unit 363 by engaging a nut through the threaded section. The frame 361 has a second mounting hole, and the second support unit 363 has a second connecting hole. The second support unit 363 and the frame 361 can be connected by bolts passing through the second mounting hole and the second connecting hole. After the installation angle of the second nozzle 332 is determined, it is tightened by bolts and nuts. Loosening the nuts allows for readjustment of the angle of the second nozzle 332. The angle adjustment method of the second nozzle 332 is the same as that of the first nozzle 331, which is simple to operate and easy to assemble. The second nozzle 332 can be used to clean filters 200 of different specifications and can be mounted on different models of range hoods through the support assembly 360.

[0102] The frame 361 includes a reinforcing part 3611 and a mounting part 3612. The thickness of the reinforcing part 3611 is greater than that of the mounting part 3612. The mounting part 3612 is fastened to the volute 600 by bolts, making the installation simple and easy to operate. The reinforcing part 3611 can improve the structural strength and load-bearing capacity of the frame 361, and stiffeners can be installed in the reinforcing part 3611 to further enhance the structural strength of the frame 361.

[0103] Unlike the embodiments described above, at least one of the first and second nozzles is also adaptable to movement adjustment (not shown in the figure). The spatial position of at least one of the first and second nozzles is more flexible and can be applied to different models of range hoods. The movement adjustment method of the first and second nozzles can be such that the aforementioned support part can move relative to the frame in three-dimensional space, such as moving in a vertical or horizontal direction. For example, the frame can be provided with multiple mounting holes at different positions, and the support part can be installed in different mounting holes, thus fixing the nozzles in different spatial positions; or, at least one of the height and length of the frame can be extended or retracted to adjust the spatial position of the nozzles.

[0104] Understandably, reference Figure 1 As shown, the range hood includes a housing 400 and a support plate 500 fixed to the housing 400. The cleaning component 300 includes a supply assembly 350 for providing cleaning medium. The impeller 100 is located inside a volute 600, and the volute 600 and the supply assembly 350 are located on opposite sides of the support plate 500. The supply assembly 350 and the volute 600 are separated by the support plate 500. The supply assembly 350 does not interfere with the airflow field inside the volute 600, ensuring smooth exhaust of the fumes.

[0105] The support plate 500 is located at the top of the housing 400, and the volute 600 is located below the support plate 500. The support plate 500 has an opening with the same shape as the outlet of the volute 600, so that the flue gas inside the volute 600 can pass through the support plate 500 and be discharged. The medium container 351 of the supply assembly 350 is fixed to the upper surface of the support plate 500. The supply assembly 350 does not occupy the flue gas flow space inside the range hood, thus avoiding interference with the flue gas flow field. The medium container 351 is connected to the feed pipe 352, through which the cleaning medium is introduced. A drive pump can be installed inside the medium container 351 to provide flow power for the cleaning medium.

[0106] Understandably, reference Figures 1 to 4As shown, when the cleaning component 300 includes the aforementioned first cleaning branch 330 and second cleaning branch 340, the first cleaning branch 330 extends downward from the top of the housing 400 along the rear wall of the housing 400, then extends forward along the side wall of the housing 400, and then extends through a pipe to the support assembly 360 connected to the volute 600. The end of the pipe is connected to the first nozzle 331 and the second nozzle 332. The extension path of the first cleaning branch 330 does not affect the internal structure of the range hood, facilitating installation. The second cleaning branch 340 extends downward from the top of the housing 400, passes through the volute 600, and extends into the space enclosed by the impeller 100. The end of the second cleaning branch 340 is connected to the third nozzle. The path of the second cleaning branch 340 is shorter, which can reduce heat loss during steam transportation, so as to make full use of the heat of the steam.

[0107] It should be noted that the range hood also includes an exhaust component (not shown in the figure). The supply component delivers the cleaning medium into the interior of the range hood, and the exhaust component discharges the used cleaning medium from the interior of the range hood. This prevents the cleaning medium from leaving residue inside the range hood, effectively prevents bacterial growth, and avoids the cleaning medium from corroding the internal structure of the range hood, thereby improving the hygiene conditions inside the range hood and extending the service life of the components.

[0108] Combination Figures 1 to 6 As shown, the cleaning component 300 includes a supply assembly 350, which includes a medium container 351 and a steam generator disposed within the medium container 351. The outlet end of the supply assembly 350 is connected to a first valve body 370. The first valve body 370 has two outlets, which are connected to a first cleaning branch 330 and a second cleaning branch 340. The cleaning medium in the first cleaning branch 330 flows to a third valve body 380, which then delivers the cleaning medium to a first nozzle 331 and a second nozzle 332. The first nozzle 331 sprays towards the impeller 100, and the second nozzle 332 sprays towards the filter screen 200, thereby achieving self-cleaning of the impeller 100 and the filter screen 200 of the range hood. The second cleaning branch 340 directly delivers the cleaning medium to the impeller 100.

[0109] The cleaning medium produced by the steam generator varies depending on the spraying location: In one operating condition, the first valve body 370 opens the first cleaning branch 330, and the third valve body 380 independently or simultaneously supplies the first nozzle 331 and the second nozzle 332, providing the cleaning medium to the impeller 100 and the filter screen 200 through the first nozzle 331 and the second nozzle 332. The cleaning medium can be in the form of cold water or hot water; each nozzle has a certain atomization cone angle, which increases the cleaning area while making full use of the cleaning medium. In another operating condition, the second cleaning branch 340 opens, and the steam generator provides a high-temperature and high-pressure steam medium to the third nozzle, which faces the impeller 100 to perform high-temperature treatment on the impeller 100.

[0110] Both nozzles have an atomizing structure. At each set position, the atomizing spray cone angles of the first nozzle 331 and the second nozzle 332 respectively cover the impeller 100 and the filter 200. To ensure that the structure of the cleaning component 300 adapts to the impeller 100 size and filter 200 shape of different models of range hoods, the installation angle of the nozzles can be preset, and combined with the atomizing cone angle range of the nozzles themselves, the optimal spray area and spray effect can be achieved, thereby improving the actual cleaning effect.

[0111] An embodiment of the second aspect of the present invention is described below. Figure 7 As shown, a method for cleaning a range hood is provided, including:

[0112] Step 710: Identify the impeller and filter screen as the cleaning targets;

[0113] The impeller and filter are the main components in a range hood where oil sludge condenses. Cleaning the impeller and filter is essential, but the cleaning cycles for the impeller and filter are different. You can clean the impeller or filter separately, or you can clean both at the same time. The specific cleaning target can be determined according to actual needs.

[0114] Step 720: Control the cleaning component 300 to supply cleaning medium to the cleaning target, and control the impeller 100 to rotate so that the cleaning medium can fully act on the cleaning target.

[0115] The impeller and filter screen are cleaned using a cleaning medium. The cleaning medium used for the impeller and filter screen can be the same or different, depending on the specific needs. During the cleaning process, the rotation of the impeller allows the cleaning medium to fully act on the oil stains on the target surface, resulting in better cleaning and facilitating thorough cleaning of oil stains.

[0116] The cleaning method for range hoods according to embodiments of the present invention can clean the impeller and filter of the range hood, and the cleaning of the components is more comprehensive, which helps to thoroughly clean the oil stains inside the range hood.

[0117] It is understandable that in step 720, which involves controlling the cleaning component 300 to supply the cleaning medium to the cleaning target and controlling the impeller 100 to rotate so that the cleaning medium can fully act on the cleaning target,

[0118] Step 721: Control the cleaning components to supply the steam cleaning medium to the cleaning target and control the impeller rotation;

[0119] Vapor-based cleaning media soften oil stains on the target surface, allowing them to detach. Pre-treating oil stains with steam helps ensure rapid and thorough cleaning.

[0120] When the cleaning target is the impeller, the rotation of the impeller can evenly distribute the steam cleaning medium on the surface of the impeller to thoroughly clean the impeller surface; when the cleaning target is the filter screen, the rotation of the impeller can promote the flow of steam in the range hood, so that the steam is evenly distributed on the surface of the filter screen and ensures the cleaning efficiency of the filter screen.

[0121] In step 721, the impeller is rotated for a first duration to ensure that the steam-state cleaning medium is evenly distributed on the cleaning target.

[0122] The initial cleaning time can be adjusted according to different cleaning objectives, and the impeller rotation speed can also be set according to actual needs. Different initial cleaning times correspond to different processing modes, and different initial cleaning times can be selected to suit different models of range hoods. The specific initial cleaning time can be determined through testing or set by the user. The steps of providing the steam cleaning medium and controlling the impeller rotation can be performed simultaneously, or they can be executed independently.

[0123] Step 722: Control the cleaning components to supply liquid cleaning medium to the cleaning target and control the impeller rotation;

[0124] After the oil stains on the target surface are softened, a liquid cleaning medium is sprayed onto the target surface. The liquid cleaning medium can act as a rinse to remove the softened oil stains.

[0125] In step 722, the impeller is controlled to rotate for a second duration to dry and clean the target.

[0126] After cleaning, the impeller rotates to air dry the cleaned target, which can prevent the cleaning medium from accumulating on the surface of the target, so as to provide a dry and clean target and range hood.

[0127] Similarly, different second durations can correspond to different processing modes, and different second durations can be selected to suit different models of range hoods. The specific duration of the second duration can be determined through testing or set by the user. The second duration can be the same as or different from the first duration; no limitation is made here.

[0128] It is understandable that the number of times steps 721 and 722 are executed can be selected as needed, and can be performed once or multiple times, until the cleanliness of the obtained cleaning target reaches the first preset condition.

[0129] If steps 721 and 722 are repeated multiple times, the implementation method includes: repeating step 721 multiple times, and then repeating step 722 multiple times; or, steps 721 and 722 constitute a cleaning process, and this cleaning process is repeated multiple times. Both implementation methods can be selected as needed, and the number of repetitions can also be set as needed.

[0130] The first preset condition can be that the surface of the target to be cleaned is free of oil or the area with oil stains is less than a preset percentage of the total area. The cleanliness of the target can be obtained through methods such as camera recognition and sensor detection.

[0131] The cleaning method for the range hood in this embodiment combines steam and liquid cleaning media to clean the target area. The grease is softened before spraying and cleaning, resulting in better cleaning effect. The high-temperature steam also has a disinfecting and sterilizing effect, which can remove bacteria that grow inside the range hood. After cleaning, it is also air-dried to effectively prevent bacterial growth, providing a dry and clean range hood for better performance.

[0132] It should be noted that the range hood in one or more of the above embodiments can be used to perform the cleaning method of the range hood in this embodiment.

[0133] refer to Figures 1 to 6 As shown, when the range hood starts the cleaning mode, it first automatically starts the preset program or the user selects the cleaning target (at least one of the impeller and filter). Then, according to the selected cleaning mode, high-temperature steam is first sent to various parts of the impeller through the second cleaning branch to soften and rinse the oil stains. At the same time, the motor drives the impeller to rotate continuously or intermittently. Then, hot water or cold water is used for atomized cleaning through the first cleaning branch. Finally, the motor maintains the impeller rotation for a preset time to air dry, and the cleaning process ends.

[0134] It is understandable that in step 720, which involves controlling the cleaning component 300 to supply the cleaning medium to the cleaning target and controlling the impeller 100 to rotate so that the cleaning medium can fully act on the cleaning target,

[0135] Control the impeller to rotate continuously or intermittently for a first duration so that the steam-state cleaning medium is evenly distributed on the cleaning target.

[0136] When the cleaning target is the impeller, the cleaning components continuously supply steam-like cleaning media to the impeller. The impeller's continuous rotation helps to evenly distribute the cleaning media across its surface, ensuring effective cleaning. Even if the impeller rotates intermittently, the cleaning components can still continuously supply cleaning media, allowing adjustment of the media supply to different parts of the impeller. When the cleaning target is the filter, the impeller rotates to promote the even distribution of hot steam inside the range hood, helping to soften grease on all parts of the filter. Continuous or intermittent impeller rotation can be selected as needed.

[0137] It is understandable that in step 720, which involves controlling the cleaning component 300 to supply the cleaning medium to the cleaning target and controlling the impeller 100 to rotate so that the cleaning medium can fully act on the cleaning target,

[0138] Control the impeller to rotate continuously or intermittently for a second duration.

[0139] When the cleaning component supplies liquid cleaning medium to the impeller, the impeller rotates continuously or intermittently, which helps to supply the cleaning medium to the entire surface of the impeller; when the cleaning component sprays liquid cleaning medium onto the filter screen, the impeller rotates continuously or intermittently, which promotes the flow of the cleaning medium and helps the cleaning medium flow to the entire surface of the filter screen.

[0140] Understandably, prior to step 722, the degree of softening of the stains on the target surface is obtained;

[0141] If the softening degree is determined to meet the second preset condition, step 722 is executed, which is to control the cleaning component 300 to supply liquid cleaning medium to the cleaning target and control the impeller to rotate.

[0142] The degree of softening can be measured using multiple parameters such as color, hardness, and thickness, and determined by combining these indicators. The degree of softening can be measured using a camera and various sensors. The second preset condition can be set to multiple levels according to user needs, and the specific level can be selected based on actual requirements.

[0143] Understandably, after obtaining the degree of softening of the stains on the target surface,

[0144] The softening level was determined not to have met the second preset condition.

[0145] The steps of repeatedly controlling the cleaning component 300 to supply liquid cleaning medium to the cleaning target and controlling the impeller to rotate are repeated until the softening degree reaches the second preset condition. Then, the steps of controlling the cleaning component 300 to supply liquid cleaning medium to the cleaning target and controlling the impeller to rotate are executed. The interval between two adjacent steps of controlling the cleaning component 300 to supply liquid cleaning medium to the cleaning target is a preset time.

[0146] Step 722 is performed only after the grease has softened to the second preset condition, resulting in better cleaning. The preset duration can be set according to actual needs, such as the amount of cleaning medium supplied in step 721 and the time interval between the previous cleaning of the range hood.

[0147] It is understandable that at least one of the steam-based or liquid-based cleaning media contains a cleaning agent, and using a cleaning agent results in a better cleaning effect.

[0148] However, the cleaning agent can be added only in step 721, or only when step 722 is performed for the first time. After adding the cleaning agent, use clean water as the cleaning medium to perform step 722 multiple times to thoroughly wash the cleaning agent and avoid the cleaning agent corroding the parts of the range hood.

[0149] Combination Figures 1 to 3 As shown, the user can add a certain amount of cleaning agent to the water source, and then spray the cleaning agent onto the impeller or filter screen through the first cleaning branch (the motor drives the impeller to rotate continuously or intermittently) for chemical cleaning. Then, the water is replaced for atomized rinsing, and then the fan dries the water.

[0150] Unlike the above embodiments, the user adds a certain amount of cleaning agent to the water source, and then sprays the cleaning agent onto the impeller or filter screen through the first cleaning branch (the motor drives the impeller to rotate continuously or intermittently). Then, the user replaces the water with clean water for atomized rinsing. After that, the user can use the steam from the second cleaning branch for a certain period of time to strengthen the softening and rinsing, and finally air dry.

[0151] A third aspect of the present invention provides a control device for a range hood, comprising:

[0152] The determination module is used to identify the impeller and filter screen as cleaning targets.

[0153] The control module is used to control the cleaning component 300 to supply cleaning medium to the cleaning target and to control the impeller 100 to rotate so that the cleaning medium can fully act on the cleaning target.

[0154] The control device of the range hood in this embodiment corresponds one-to-one with the cleaning method of the range hood, and is used to execute the cleaning method of the range hood. It has all the beneficial effects of the control device of the range hood described above, which can be referred to in the above content and will not be repeated here.

[0155] Figure 8 An example is a schematic diagram of the physical structure of an electronic device, such as... Figure 8As shown, the electronic device may include a processor 810, a communication interface 820, a memory 830, and a communication bus 840, wherein the processor, communication interface, and memory communicate with each other via the communication bus. The processor can call logical instructions in the memory to execute the cleaning method of the range hood in one or more of the above embodiments.

[0156] Furthermore, the logical instructions in the aforementioned memory can be implemented as software functional units and sold or used as independent products, and can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this invention, or the part that contributes to related technologies, or a portion of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0157] This invention discloses a computer program product, which includes a computer program stored on a non-transitory computer-readable storage medium. The computer program includes program instructions, and when the program instructions are executed by a computer, the computer can perform the methods provided in the above-described method embodiments, such as the cleaning method for a range hood in one or more of the above embodiments.

[0158] On the other hand, embodiments of the present invention also provide a non-transitory computer-readable storage medium storing a computer program thereon, which, when executed by a processor, is implemented to perform the transmission methods provided in the above embodiments, such as the cleaning method of the range hood in one or more of the above embodiments.

[0159] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0160] Through the above description of the embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus necessary general-purpose hardware platforms, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solutions, in essence or the parts that contribute to the related technology, can be embodied in the form of software products. This computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, magnetic disk, optical disk, etc., and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods described in the various embodiments or some parts of the embodiments.

[0161] Finally, it should be noted that the above embodiments are only for illustrating the present invention and not for limiting the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art should understand that various combinations, modifications, or equivalent substitutions of the technical solutions of the present invention do not depart from the spirit and scope of the technical solutions of the present invention and should be covered within the scope of the claims of the present invention.

Claims

1. A range hood, characterized in that, include: Impeller and filter screen; The cleaning component includes a first outlet and a second outlet, the first outlet being directed toward the impeller and adapted to provide a cleaning medium to the impeller, and the second outlet being directed toward the filter screen and adapted to provide a cleaning medium to the filter screen. The cleaning component includes a cleaning branch and a supply assembly. The cleaning branch is provided with a first outlet and a second outlet. The supply assembly is provided with a liquid outlet and a steam outlet. The liquid outlet is adapted to communicate with at least one of the first outlet and the second outlet. The steam outlet is adapted to communicate with at least one of the first outlet and the second outlet. The first outlet includes a first steam port and a first liquid port. The first liquid port is adapted to communicate with the liquid outlet, and the first steam port is adapted to communicate with the steam outlet. The first steam port and the first liquid port are arranged opposite to each other. The position of the first steam port is higher than that of the first liquid port. The steam discharged from the first steam port is used to soften and pretreat the oil stains on the impeller surface. When the cleaning branch includes a first cleaning branch and a second cleaning branch, the first cleaning branch uses a liquid cleaning medium and the second cleaning branch uses a vapor cleaning medium; The first cleaning branch is provided with the first liquid inlet, and the second cleaning branch is provided with the first steam inlet. The first steam inlet faces upward, and the first liquid inlet faces downward.

2. The range hood according to claim 1, characterized in that, The supply assembly includes a medium container and a heater for heating the cleaning medium; The inlet end of the heater is adapted to communicate with the outlet end of the medium container, and the outlet end of the heater is connected to the inlet end of the first valve body. The outlet end of the first valve body forms both the liquid outlet and the steam outlet. Alternatively, the outlet end of the medium container is connected to the inlet end of the second valve body, one outlet of the second valve body is configured as the liquid outlet, and the other outlet of the second valve body is adapted to communicate with the inlet end of the heater, the outlet of the heater is configured as the steam outlet.

3. The range hood according to claim 1, characterized in that, The cleaning branch is provided with a first nozzle that forms the first outlet. The first nozzle is adapted to communicate with the liquid outlet. The first nozzle is an atomizing nozzle with a first cone angle. The spraying area of ​​the first nozzle covers a portion of the axial area of ​​the impeller. And / or, the cleaning branch is provided with a second nozzle that forms the second outlet, the second nozzle being adapted to communicate with the liquid outlet, the second nozzle being an atomizing nozzle having a second cone angle, and the spray area of ​​the second nozzle covering the filter screen.

4. The range hood according to claim 1, characterized in that, The cleaning component further includes a support assembly, a first nozzle forming the first outlet, and a second nozzle forming the second outlet, the first nozzle and the second nozzle being connected to the support assembly, and at least one of the first nozzle and the second nozzle being adapted for rotational and / or locating adjustment.

5. The range hood according to claim 4, characterized in that, The support assembly includes a frame and a support portion adapted to rotate relative to the frame. The support portion is configured with a groove or a hole and is adapted to connect the first nozzle or the second nozzle.

6. The range hood according to any one of claims 1 to 5, characterized in that, It also includes a housing and a support plate fixed to the housing. The cleaning component includes a supply assembly for providing cleaning media. The impeller is located inside a volute, and the volute and the supply assembly are located on opposite sides of the support plate.

7. A method for cleaning a range hood, characterized in that, For a range hood as described in any one of claims 1 to 6, the cleaning method comprises: The impeller and filter screen are identified as the cleaning targets; The cleaning components are controlled to supply cleaning medium to the cleaning target, and the impeller is controlled to rotate so that the cleaning medium can fully act on the cleaning target. The step of controlling the cleaning component to supply cleaning medium to the cleaning target and controlling the impeller rotation so that the cleaning medium can fully act on the cleaning target includes: The cleaning components are controlled to supply the steam-state cleaning medium to the cleaning target, and the impeller rotation is controlled. The cleaning components are controlled to supply liquid cleaning medium to the cleaning target, and the impeller is controlled to rotate. Until the cleanliness of the cleaning target reaches the first preset condition; Before the step of controlling the cleaning component to supply the liquid cleaning medium to the cleaning target and controlling the impeller rotation, the method further includes: To determine the degree of softening of the stains on the surface of the target to be cleaned; If the softening degree is determined to meet the second preset condition, the steps of controlling the cleaning component to supply liquid cleaning medium to the cleaning target and controlling the impeller to rotate are executed.

8. The cleaning method for a range hood according to claim 7, characterized in that, After the step of obtaining the softening degree of the stains on the target surface, the method further includes: It is determined that the degree of softening has not reached the second preset condition; The process involves repeatedly supplying the cleaning medium in vapor form to the target and controlling the impeller to rotate until the softening level reaches the second preset condition. Then, the process involves supplying the cleaning medium in liquid form to the target and controlling the impeller to rotate. The interval between two consecutive steps of the cleaning medium supplying vapor form to the target is a preset time.

9. The cleaning method for a range hood according to claim 7, characterized in that, The step of controlling the cleaning component to supply cleaning medium to the cleaning target and controlling the impeller to rotate so that the cleaning medium can fully act on the cleaning target; Control the impeller to rotate continuously or intermittently.

10. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, When the processor executes the program, it implements the steps of the cleaning method for a range hood as described in any one of claims 7 to 9.

11. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that, When executed by a processor, the computer program implements the steps of the cleaning method for a range hood as described in any one of claims 7 to 9.

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