Air supply device

Abstract

The invention relates to an air supply device. The air supply device comprises a shell, a first air outlet assembly and a second air outlet assembly. The shell is provided with a bottom wall and a side wall annularly arranged on the periphery of the bottom wall, the side wall and the bottom wall jointly define a containing cavity, and a first air supply outlet and a second air supply outlet which are distributed in the circumferential direction of the side wall at intervals are formed in the side wall; the first air outlet assembly is installed in the containing cavity, and an air outlet of the first air outlet assembly communicates with the first air supply opening. The second air outlet assembly is arranged in the containing cavity in the circumferential direction of the side wall in an autorotation mode and can be switched between the first air outlet state and the second air outlet state. In the first air outlet state, an air outlet of the second air outlet assembly faces the interior of the containing cavity and communicates with the first air supply opening; and in the second air outlet state, the air outlet of the second air outlet assembly communicates with the second air supply opening. According to the air supply device, the air supply amount can be increased, multi-directional air supply can be achieved, and the air supply range of the air supply device is widened.

Description

Technical Field

[0001] The present application relates to the technical field of household appliances, and in particular to an air supply device. Background Art

[0002] Bladeless fans, also known as air multipliers, produce a natural, continuous flow of cool air. Because they lack blades, they won't collect dust or injure users' fingers. Consequently, bladeless fans are becoming increasingly popular. However, with their widespread use, users are demanding higher standards. Current bladeless fans generally suffer from low air volume and a narrow airflow range. Summary of the Invention

[0003] In response to the problems of low air supply volume and narrow air supply range in existing air supply devices, the present application proposes an air supply device, which has the technical effect of large air supply volume and multi-directional air supply.

[0004] An air supply device, comprising:

[0005] The housing comprises a bottom wall and a side wall arranged around the outer periphery of the bottom wall, the side wall and the bottom wall together enclose a receiving cavity, and the side wall is provided with a first air supply port and a second air supply port spaced apart along the circumference thereof;

[0006] a first air outlet assembly installed in the accommodating cavity, wherein the air outlet of the first air outlet assembly is connected to the first air supply outlet;

[0007] A second air outlet assembly is arranged in the accommodating cavity and rotates along the circumference of the side wall, and can switch between a first air outlet state and a second air outlet state;

[0008] In the first air outlet state, the air outlet of the second air outlet component faces the accommodating cavity and is connected to the first air supply port; in the second air outlet state, the air outlet of the second air outlet component is connected to the second air supply port.

[0009] With this configuration, when the second air outlet assembly is in the first air outlet state, both the second and first air outlet assemblies deliver air to the outside world through the first air outlet. This increases the air volume delivered by the air supply device in this state compared to air delivered only by a single air outlet assembly. When the second air outlet assembly is in the second air outlet state, the second air outlet assembly delivers air to the outside world through the second air outlet, while the first air outlet assembly delivers air to the outside world through the first air outlet. This allows the air supply device to deliver air in multiple directions, broadening its air supply range.

[0010] In one embodiment, the second air outlet assembly includes a first air outlet piece and a second air outlet piece, the first air outlet piece and the second air outlet piece are spaced apart on the bottom wall, and are both arranged to rotate circumferentially along the side wall, wherein the first air outlet piece and the second air outlet piece are both provided with the air outlet, and the direction of the air outlet of the first air outlet piece is different from the direction of the air outlet of the second air outlet piece; the number of the second air outlets is two, and they correspond one-to-one to the first air outlet piece and the second air outlet piece.

[0011] In this way, by simultaneously supplying air through the two spaced-apart second air outlets and the first air outlet, the air supply range of the air supply device can be expanded. As for the provision of two air outlet components, it is to achieve independent operation of the air outlet components. If one of the air outlet components is damaged, the remaining air outlet component can still continue to operate, thereby extending the service life of the air supply device.

[0012] In one embodiment, when the second air outlet assembly is in the second air outlet state, an angle formed between the air outlet of the first air outlet member and the air outlet of the second air outlet member is an obtuse angle.

[0013] In this way, the air supply device can supply air from different parts, thereby widening the air supply range of the air supply device.

[0014] In one embodiment, when the second air outlet component is in the first air outlet state, the angle formed between the air outlet of the first air outlet member and the air outlet of the second air outlet member is an acute angle.

[0015] Such a configuration increases the amount of air discharged from the second air outlet and reduces the probability that the airflow flowing out of the first air outlet and the second air outlet of the air outlet will diffuse around in the accommodating cavity, resulting in a smaller amount of air discharged from the second air outlet.

[0016] In one embodiment, the self-rotational motion of the first air outlet member and the second air outlet member are linked.

[0017] With such an arrangement, only one driving device is required to drive the first air outlet member and the second air outlet member to rotate synchronously, thereby simplifying the structure of the air supply device.

[0018] In one embodiment, the air supply device further includes a driving member, a first transmission member and a second transmission member, the driving member is drivingly connected to the first transmission member and the second transmission member, the first transmission member is connected to the first air outlet member, and the second transmission member is connected to the second air outlet member.

[0019] Such an arrangement simplifies the connection between the first air outlet member and the second air outlet member.

[0020] In one embodiment, the air supply device further includes a first air inlet assembly and a second air inlet assembly, wherein the first air inlet assembly and the second air inlet assembly are spaced apart on the shell along the height direction, the first air inlet assembly is connected to the first air outlet assembly, and the second air inlet assembly is connected to the second air outlet assembly, wherein the height direction is parallel to the axial direction of the side wall.

[0021] Such an arrangement can reduce the probability of interference between different air inlet components and increase the air intake volume of a single air inlet component.

[0022] In one embodiment, the first air inlet assembly includes a first diverter and a second diverter, the first diverter is detachably connected to the first air outlet assembly, and the second diverter is detachably connected to the second air outlet assembly.

[0023] The above arrangement can make the air volume of each air outlet as consistent as possible, thereby improving the air supply effect of the air supply device, and make the corresponding diverter and air outlet assembly detachably connected, which is convenient for disassembly, assembly and maintenance.

[0024] In one embodiment, the first air outlet assembly has a first air outlet and a second air outlet circumferentially spaced apart along the side wall, and an air outlet channel is provided in the accommodating cavity, wherein the air outlet channel is located between the first air outlet and the second air outlet and is connected to the first air supply port; in the first air outlet state, the air outlet channel is also connected to the air outlet of the second air outlet assembly.

[0025] In this way, by setting an air outlet channel in the accommodating cavity to guide the air sent out by the second air outlet component in the first air outlet state, the probability of the air sent out by the second air outlet component flowing everywhere in the accommodating cavity is reduced, and the amount of air sent out by the second air outlet component reaching the first air outlet is increased.

[0026] In one embodiment, an opening angle of the first air supply port is greater than or equal to an included angle formed between the first air outlet and the second air outlet, and the included angle is an obtuse angle.

[0027] With this arrangement, the air flowing out from the first air outlet and the second air outlet can all flow out from the first air supply port, thereby reducing air volume loss and expanding the coverage of the first air supply port as much as possible. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A cross-sectional view of an air supply device provided in some embodiments of the present application.

[0029] Figure 2 The schematic structural diagram of the air supply device provided in some embodiments of the present application hides part of the structure.

[0030] Figure 3 A schematic structural diagram of the second air outlet component of the air supply device provided in some embodiments of the present application when in the first air outlet state.

[0031] Figure 4 A schematic structural diagram of the second air outlet component of the air supply device provided in some embodiments of the present application when in the second air outlet state.

[0032] Figure 5 The schematic structural diagram of the air supply device provided in some embodiments of the present application hides part of the structure.

[0033] Figure 6 A schematic diagram of the partial structure of the shell of the air supply device provided in some embodiments of the present application.

[0034] Figure 7 A top view of the air supply device provided in some embodiments of the present application with part of the structure hidden.

[0035] Figure 8 The schematic structural diagram of the air supply device provided in some embodiments of the present application hides part of the structure.

[0036] Figure 9 A schematic structural diagram of the first diverter member of the air supply device provided in some embodiments of the present application.

[0037] Figure 10 A schematic structural diagram of the first air outlet component of the air supply device provided in some embodiments of the present application.

[0038] Description of reference numerals:

[0039] 10. Shell; 11. Bottom wall; 12. Side wall; 121. First air supply port; 122. Second air supply port; 20. First air outlet assembly; 21. Third air outlet member; 211. First air outlet; 22. Fourth air outlet member; 221. Second air outlet; 30. Second air outlet assembly; 31. First air outlet member; 311. Third air outlet; 32. Second air outlet member; 321. Fourth air outlet; 40. Driving member; 41. First transmission member; 42. Second transmission member; 50. First air inlet assembly; 60. Second air inlet assembly; 70. First diverter member; 80. Second diverter member; X, circumferential direction; Y, height direction; 100. Air supply device. DETAILED DESCRIPTION

[0040] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0041] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0042] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. Throughout the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0043] In this application, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0044] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0045] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0046] See also Figures 1 to 4 In some embodiments of the present application, an air supply device 100 is provided, which may be a bladeless fan. The air supply device 100 includes a shell 10, a first air outlet assembly 20, and a second air outlet assembly 30. The shell 10 has a bottom wall 11 and a side wall 12 arranged around the outer periphery of the bottom wall 11. The side wall 12 and the bottom wall 11 together enclose a receiving cavity. The side wall 12 is provided with a first air supply port 121 and a second air supply port 122 spaced apart along its circumferential direction X; the first air outlet assembly 20 is installed in the receiving cavity, and the air outlet of the first air outlet assembly 20 is connected to the first air supply port 121; the second air outlet assembly 30 is arranged in the receiving cavity along the circumferential direction X of the side wall 12 and can be switched between the first air outlet state and the second air outlet state.

[0047] In the first air outlet state, the air outlet of the second air outlet assembly 30 faces the accommodating cavity and is connected to the first air supply port 121 ; in the second air outlet state, the air outlet of the second air outlet assembly 30 is connected to the second air supply port 122 .

[0048] The housing 10 may be cylindrical in shape, with a first air outlet 121 and a second air outlet 122 provided on the side wall 12 of the housing 10. The first air outlet 121 and the second air outlet 122 may be located in two oppositely disposed areas on the side wall 12. The shape of the first air outlet assembly 20 is similar to that of the second air outlet assembly 30. The second air outlet assembly 30 is rotatably connected to the housing 10 so that the air outlet of the second air outlet assembly 30 can rotate relative to the housing 10 to switch between communicating with the first air outlet 121 and connecting with the second air outlet 122, thereby enabling the second air outlet assembly 30 to switch between two air outlet states.

[0049] Because the second air outlet assembly 30 can switch between two air outlet states, the air supply device 100 has two air supply modes. The following takes the switching of the second air outlet assembly 30 of the air supply device 100 between different air outlet states as an example to illustrate the working principle of the air supply device 100.

[0050] Start the air supply device 100 and make the second air outlet component 30 in the first air outlet state, such as Figure 3As shown, the air outlet of the first air outlet assembly 20 faces the first air supply port 121, and air is supplied to the outside through the first air supply port 121. The air outlet of the second air outlet assembly 30 faces the interior of the storage chamber. The air supplied by the second air outlet assembly 30 flows through the storage chamber to the first air supply port 121, and then to the outside. Therefore, both the first air outlet assembly 20 and the second air outlet assembly 30 can supply air to the outside through the first air supply port 121.

[0051] When the second air outlet assembly 30 rotates relative to the housing 10, until its air outlet faces the second air supply port 122. Figure 4 As shown, the second air outlet assembly 30 switches from the first air outlet state to the second air outlet state. At this point, the second air outlet assembly 30 supplies air to the outside world through the second air outlet 122. Because the first air outlet assembly 20 still supplies air to the outside world through the first air outlet 121, and the first and second air outlets 121, 122 are spaced apart along the circumferential direction X of the side wall 12, multi-directional air supply can be achieved in this case.

[0052] In summary, when the second air outlet assembly 30 is in the first air outlet state, the second air outlet assembly 30 and the first air outlet assembly 20 jointly supply air to the outside through the first air supply port 121. Compared to supplying air to the outside through only a single air outlet assembly, the air supply volume of the air supply device 100 in this state can be increased. When the second air outlet assembly 30 is in the second air outlet state, the second air outlet assembly 30 supplies air to the outside through the second air supply port 122, and the first air outlet assembly 20 supplies air to the outside through the first air supply port 121. In this manner, the air supply device 100 can achieve multi-directional air supply, expanding the air supply range of the air supply device 100.

[0053] See also Figures 4 to 6 In some embodiments, the second air outlet assembly 30 includes a first air outlet piece 31 and a second air outlet piece 32, and the first air outlet piece 31 and the second air outlet piece 32 are spaced apart on the bottom wall 11, and are both arranged to rotate along the circumferential direction X of the side wall 12, wherein the first air outlet piece 31 and the second air outlet piece 32 are both provided with air outlets, and the direction of the air outlet of the first air outlet piece 31 is different from the direction of the air outlet of the second air outlet 221, and the number of the second air supply outlets 122 is two, and they correspond one-to-one to the first air outlet piece 31 and the second air outlet piece 32.

[0054] For example, the first air outlet member 31 and the second air outlet member 32 have the same structure and can both be cylindrical. Taking the first air outlet member 31 as an example, the air outlet of the first air outlet member 31 extends axially along the sidewall 12. Both the first air outlet member 31 and the second air outlet member 32 can be rotatably connected to the housing 10 via, but not limited to, a rotating shaft.

[0055] For the sake of convenience, the air outlet of the first air outlet member 31 is named as the third air outlet 311 , and the air outlet of the second air outlet member 32 is named as the fourth air outlet 321 .

[0056] When the second air outlet assembly 30 is in the first air outlet state, the air outlet of the first air outlet member 31 and the air outlet of the second air outlet member 32 both face the interior of the accommodating cavity. Although the air outlets of the two air outlets face different directions, they can both supply air to the first air supply port 121. When the second air outlet assembly 30 is in the second air outlet state, the air outlet of the first air outlet member 31 and the air outlet of the second air outlet member 32 both face the exterior of the accommodating cavity, and both air outlets face the corresponding second air supply port 122, so as to supply air to the outside through the corresponding second air supply port 122.

[0057] In this way, by simultaneously supplying air through the two spaced-apart second air outlets 122 and the first air outlet 121, the air supply range of the air supply device 100 can be expanded. As for the provision of two air outlet components, it is to achieve independent operation of the air outlet components. If one of the air outlet components is damaged, the remaining air outlet component can still continue to operate, thereby extending the service life of the air supply device 100.

[0058] It is understood that in some embodiments, the first air outlet member 31 and the second air outlet member 32 can be detachably mounted within the accommodating cavity. For example, the first air outlet member 31 and the second air outlet member 32 can be mounted using snaps or bolts. In this way, if either the first air outlet member 31 or the second air outlet member 32 is damaged, the user can simply replace the damaged part with a new one, reducing maintenance costs.

[0059] Specifically, if Figure 4 As shown, in some embodiments, when the second air outlet assembly 30 is in the second air outlet state, the angle formed between the air outlet of the first air outlet member 31 and the air outlet of the second air outlet member 32 is an obtuse angle.

[0060] For example, in the second air outlet state, the angle between the air outlet of the first air outlet member 31 and the air outlet of the second air outlet member 32 is 120°. Because there are two second air outlets 122, each corresponding to the first air outlet member 31 and the second air outlet member 32, the angle between the two second air outlets 122 is also obtuse, and air is supplied through both second air outlets 122. In this way, the air supply device 100 can supply air from different locations, expanding the air supply range of the air supply device 100.

[0061] More specifically, if Figure 3 As shown, in some embodiments, when the second air outlet assembly 30 is in the first air outlet state, the angle formed between the air outlet of the first air outlet member 31 and the air outlet of the second air outlet member 32 is an acute angle.

[0062] The air flowing out of the air outlet of the first air outlet member 31 and the air outlet of the second air outlet member 32 can merge in the accommodating chamber to form a single airflow, which then flows to the second air supply port 122 and out to the outside through the second air supply port 122. This increases the amount of air discharged from the second air supply port 122 and reduces the probability that the airflow flowing out of the air outlet of the first air outlet member 31 and the air outlet of the second air outlet member 32 will diffuse throughout the accommodating chamber, resulting in a smaller amount of air discharged from the second air supply port 122.

[0063] Furthermore, in some embodiments, the self-rotational motions of the first air outlet member 31 and the second air outlet member 32 are arranged in linkage.

[0064] For example, the first air outlet member 31 and the second air outlet member 32 are connected by a belt, a chain, etc. to achieve linkage between the two.

[0065] When the first air outlet member 31 rotates, it can drive the second air outlet member 32 to rotate to a preset position. In this way, only one driving device is required to drive the first air outlet member 31 and the second air outlet member 32 to rotate synchronously, simplifying the structure of the air supply device 100.

[0066] Furthermore, if Figure 5 and Figure 7 As shown, in some embodiments, the air supply device 100 also includes a driving member 40, a first transmission member 41 and a second transmission member 42. The driving member 40 is driven and connected to the first transmission member 41 and the second transmission member 42. The first transmission member 41 is connected to the first air outlet member 31, and the second transmission member 42 is connected to the second air outlet member 32.

[0067] The drive member 40 can be, but is not limited to, a stepper motor or a servo motor. The first transmission member 41 and the second transmission member 42 can be configured as gears, which are defined as driven wheels. The drive member 40 can drive a driving wheel to rotate, which in turn drives a meshed driven wheel to rotate, thereby driving the first and second air outlet members 31, 32 to rotate, causing the air outlets of the first and second air outlet members 31, 32 to rotate accordingly.

[0068] Such an arrangement simplifies the connection between the first air outlet member 31 and the second air outlet member 32 .

[0069] like Figure 1 and Figure 8 As shown, in some embodiments, the air supply device 100 also includes a first air inlet assembly 50 and a second air inlet assembly 60, and the first air inlet assembly 50 and the second air inlet assembly 60 are spaced apart on the shell 10 along the height direction Y, the first air inlet assembly 50 is connected to the first air outlet assembly 20, and the second air inlet assembly 60 is connected to the second air outlet assembly 30, wherein the height direction Y is parallel to the axial direction of the side wall 12.

[0070] The first air inlet assembly 50 and the second air inlet assembly 60 may each include a centrifugal fan, which is disposed at both ends of the housing 10 along the height direction Y to provide air intake for the first air outlet assembly 20 and the second air outlet assembly 30. The one-to-one relationship between the air inlet and air outlet assemblies, and the spacing of the first air inlet assembly 50 and the second air inlet assembly 60 at both ends of the housing 10 along the height direction Y, are intended to reduce the probability of interference between different air inlet assemblies and to increase the air intake of a single air inlet assembly.

[0071] See also Figure 1 and Figure 9 In some embodiments, the first air inlet assembly 50 includes a first diverter 70 and a second diverter 80 . The first diverter 70 is detachably connected to the first air outlet assembly 20 , and the second diverter 80 is detachably connected to the second air outlet assembly 30 .

[0072] The first diverter 70 and the second diverter 80 are used to divert the gas entering the air outlet assembly to improve turbulence so that the air flow can flow out smoothly from different air outlets.

[0073] For example, the centrifugal fan of the first air inlet assembly 50 is installed in the housing 10 and connected to the turbine assembly. One end of the first diverter 70 is connected to the worm gear assembly, and the other end has two openings that are connected to the corresponding air outlets of the first air outlet assembly 20. The first diverter 70 and the first air outlet assembly 20 can be snap-fitted together to achieve detachable connection between the two, facilitating disassembly and maintenance.

[0074] Thus, outside air enters the first air inlet assembly 50 under the action of the centrifugal fan and is divided into two air streams by the first diverter 70, which then flow out from different air outlets of the first air outlet assembly 20. The structure and operating principle of the second diverter 80 are the same as those of the first diverter 70 and will not be described in detail here.

[0075] The above arrangement can make the air output from each air outlet as consistent as possible, thereby improving the air supply effect of the air supply device 100.

[0076] like Figure 10 As shown, in some embodiments, the first air outlet assembly 20 has a first air outlet 211 and a second air outlet 221 distributed at circumferential X intervals along the side wall 12, and an air outlet channel is provided in the accommodating cavity. The air outlet channel is located between the first air outlet 211 and the second air outlet 221 and is connected to the first air supply port 121; in the first air outlet state, the air outlet channel is also connected to the air outlet of the second air outlet assembly 30.

[0077] For example, the first air outlet assembly 20 includes a third air outlet member 21 and a fourth air outlet member 22. The third air outlet member 21 is provided with a first air outlet 211, and the fourth air outlet member 22 is provided with a second air outlet 221. The third air outlet member 21 and the fourth air outlet member 22 are both fixedly spaced apart within the accommodating cavity, and both structures can be constructed in a cylindrical shape.

[0078] An air outlet channel is provided between the third air outlet member 21 and the fourth air outlet member 22. When the second air outlet assembly 30 is in the first air outlet state, the air outlet of the second air outlet assembly 30 can deliver air into the air outlet channel. The air outlet channel guides the air delivered by the second air outlet assembly 30 so that it flows smoothly toward the first air outlet 121. There, the air merges with the air delivered by the third air outlet member 21 and the fourth air outlet member 22 at the first air outlet 121, thereby increasing the air volume at the first air outlet 121.

[0079] In this way, by setting an air outlet channel in the accommodating cavity to guide the air delivered by the second air outlet component 30 in the first air outlet state, the probability of the air delivered by the second air outlet component 30 flowing around in the accommodating cavity is reduced, and the amount of air delivered by the second air outlet component 30 reaching the first air outlet 121 is increased.

[0080] In some embodiments, the opening angle of the first air supply port 121 is greater than or equal to the included angle formed between the first air outlet 211 and the second air outlet 221 , and the included angle is an obtuse angle.

[0081] For example, the angle formed between the first air outlet 211 and the second air outlet 221 is 120°. A portion of the curved surface of the housing 10 is configured as the first air outlet 121, and the angle of the curved surface is 120°. Air flowing out of the first air outlet 211 and the second air outlet 221 can all flow out through the first air outlet 121, reducing air volume loss and maximizing the coverage area of ​​the first air outlet 121.

[0082] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0083] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. An air supply device, characterized in that: include: The housing comprises a bottom wall and a side wall arranged around the outer periphery of the bottom wall, the side wall and the bottom wall together enclose a receiving cavity, and the side wall is provided with a first air supply port and a second air supply port spaced apart along the circumference thereof; a first air outlet assembly installed in the accommodating cavity, wherein the air outlet of the first air outlet assembly is connected to the first air supply outlet; A second air outlet assembly is arranged in the accommodating cavity and rotates along the circumference of the side wall, and can switch between a first air outlet state and a second air outlet state; In the first air outlet state, the air outlet of the second air outlet component faces the accommodating cavity and is connected to the first air supply port; in the second air outlet state, the air outlet of the second air outlet component is connected to the second air supply port.

2. The air supply device according to claim 1, characterized in that: The second air outlet assembly includes a first air outlet piece and a second air outlet piece, the first air outlet piece and the second air outlet piece are arranged at intervals on the bottom wall, and are both arranged to rotate circumferentially along the side wall, wherein the first air outlet piece and the second air outlet piece are both provided with the air outlet, and the direction of the air outlet of the first air outlet piece is different from the direction of the air outlet of the second air outlet piece; the number of the second air supply outlets is two, and they correspond one-to-one to the first air outlet piece and the second air outlet piece.

3. The air supply device according to claim 2, characterized in that: When the second air outlet assembly is in the second air outlet state, an angle formed between the air outlet of the first air outlet member and the air outlet of the second air outlet member is an obtuse angle.

4. The air supply device according to claim 2, characterized in that: When the second air outlet assembly is in the first air outlet state, the angle formed between the air outlet of the first air outlet member and the air outlet of the second air outlet member is an acute angle.

5. The air supply device according to claim 2, characterized in that: The self-rotational motions of the first air outlet member and the second air outlet member are arranged in linkage.

6. The air supply device according to claim 5, characterized in that: The air supply device also includes a driving member, a first transmission member and a second transmission member. The driving member is drivably connected to the first transmission member and the second transmission member. The first transmission member is connected to the first air outlet member, and the second transmission member is connected to the second air outlet member.

7. The air supply device according to claim 1, characterized in that: The air supply device also includes a first air inlet assembly and a second air inlet assembly, and the first air inlet assembly and the second air inlet assembly are arranged in the shell at intervals along the height direction. The first air inlet assembly is connected to the first air outlet assembly, and the second air inlet assembly is connected to the second air outlet assembly, wherein the height direction is parallel to the axial direction of the side wall.

8. The air supply device according to claim 7, characterized in that: The first air inlet assembly includes a first diverter and a second diverter. The first diverter is detachably connected to the first air outlet assembly, and the second diverter is detachably connected to the second air outlet assembly.

9. The air supply device according to claim 1, characterized in that: The first air outlet component has a first air outlet and a second air outlet distributed at circumferential intervals along the side wall, and an air outlet channel is provided in the accommodating cavity. The air outlet channel is located between the first air outlet and the second air outlet and is connected to the first air supply port; in the first air outlet state, the air outlet channel is also connected to the air outlet of the second air outlet component.

10. The air supply device according to claim 9, characterized in that: An opening angle of the first air supply port is greater than or equal to an included angle formed between the first air outlet and the second air outlet, and the included angle is an obtuse angle.

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